diff options
| author | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-07-11 16:01:37 -0500 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2012-07-11 16:01:37 -0500 |
| commit | 028aaafa79bda01c0d0456266df9510ad4caeca9 (patch) | |
| tree | f2cdda7c295433673d24a87d8326e83d50607c1a | |
| parent | Makefile: Fix clean and install of user space (diff) | |
| download | rtems-libbsd-028aaafa79bda01c0d0456266df9510ad4caeca9.tar.bz2 | |
freebsd-userspace: All files in old libnetworking/libc now present
But they don't all compile. Multiple issues left to address.
49 files changed, 14152 insertions, 3 deletions
diff --git a/freebsd-userspace/Makefile b/freebsd-userspace/Makefile index bc363477..1417f65b 100644 --- a/freebsd-userspace/Makefile +++ b/freebsd-userspace/Makefile @@ -54,6 +54,35 @@ C_FILES += lib/libc/net/getnetbynis.c # C_FILES += lib/libc/net/getprotoent.c # C_FILES += lib/libc/net/getprotoname.c # C_FILES += lib/libc/net/getservent.c +C_FILES += lib/libc/gen/gethostname.c +# C_FILES += lib/libc/nameser/ns_name.c +C_FILES += lib/libc/nameser/ns_netint.c +C_FILES += lib/libc/nameser/ns_parse.c +# C_FILES += lib/libc/nameser/ns_print.c +C_FILES += lib/libc/nameser/ns_ttl.c +C_FILES += lib/libc/net/if_indextoname.c +C_FILES += lib/libc/net/if_nameindex.c +C_FILES += lib/libc/net/linkaddr.c +# C_FILES += lib/libc/net/map_v4v6.c +# C_FILES += lib/libc/net/rcmd.c +C_FILES += lib/libc/net/recv.c +C_FILES += lib/libc/net/send.c +# iovec redefined between RTEMS and FreeBSD +# C_FILES += lib/libc/resolv/herror.c +C_FILES += lib/libc/resolv/res_comp.c +# Little of res_XXX compiles without BIND_4_COMPAT fixed +# one of many needing BIND_4_COMPAT defined (#1 issue impacting most) +# C_FILES += lib/libc/resolv/res_data.c +# one of many needing BIND_4_COMPAT defined (#1 issue impacting most) +# C_FILES += lib/libc/resolv/res_debug.c +# one of many needing BIND_4_COMPAT defined (#1 issue impacting most) +# C_FILES += lib/libc/resolv/res_init.c +# C_FILES += lib/libc/resolv/res_mkquery.c +# C_FILES += lib/libc/resolv/res_mkupdate.c +# C_FILES += lib/libc/resolv/res_query.c +#C_FILES += lib/libc/resolv/res_send.c +#C_FILES += lib/libc/resolv/res_update.c +C_FILES += lib/libc/string/strsep.c C_FILES += rtems/rtems-net-setup.c @@ -61,15 +90,20 @@ C_O_FILES = $(C_FILES:%.c=%.o) C_D_FILES = $(C_FILES:%.c=%.d) LIB = libbsdc.a +GEN_FILES = include/rpc/rpcb_prot.h all: lib_bsdc -$(LIB): $(C_O_FILES) +$(LIB): $(GEN_FILES) $(C_O_FILES) $(AR) rcu $@ $^ -lib_bsdc: +lib_bsdc: $(LIB) include/rpc/rpcb_prot.h $(MAKE) $(LIB) +include/rpc/rpcb_prot.h: include/rpc/rpcb_prot.x + rm -f include/rpc/rpcb_prot.h + rpcgen -h -o include/rpc/rpcb_prot.h include/rpc/rpcb_prot.x + install: $(LIB) install -d $(INSTALL_BASE)/include cd include; for i in `find . -name '*.h'` ; do \ @@ -77,7 +111,7 @@ install: $(LIB) install -c -m 644 $(LIB) $(INSTALL_BASE) clean: - rm -f $(LIB) $(C_O_FILES) $(C_D_FILES) + rm -f $(LIB) $(C_O_FILES) $(C_D_FILES) $(GEN_FILES) -include $(C_D_FILES) diff --git a/freebsd-userspace/from-freebsd.sh b/freebsd-userspace/from-freebsd.sh index c8373b41..e7fc4d8a 100755 --- a/freebsd-userspace/from-freebsd.sh +++ b/freebsd-userspace/from-freebsd.sh @@ -101,13 +101,35 @@ do done <<EOF include/db.h include/ifaddrs.h +include/netconfig.h include/netdb.h include/nsswitch.h include/resolv.h +include/res_update.h +include/rpc/auth.h +include/rpc/auth_unix.h +include/rpc/auth_des.h +include/rpc/clnt.h +include/rpc/clnt_soc.h +include/rpc/clnt_stat.h +include/rpc/pmap_clnt.h +include/rpc/pmap_prot.h +include/rpc/rpc.h +include/rpc/rpcent.h +include/rpc/rpc_msg.h +include/rpc/rpcb_clnt.h +include/rpc/rpcb_prot.x +include/rpc/svc.h +include/rpc/svc_auth.h +include/rpc/svc_soc.h +include/rpc/xdr.h include/arpa/nameser_compat.h include/arpa/inet.h sys/net/ethernet.h +sys/rpc/types.h +sys/sys/_null.h sys/sys/syslog.h +sys/sys/un.h lib/libc/include/libc_private.h lib/libc/include/namespace.h lib/libc/include/nss_tls.h @@ -166,6 +188,31 @@ lib/libc/net/getproto.c lib/libc/net/getprotoent.c lib/libc/net/getprotoname.c lib/libc/net/getservent.c +lib/libc/gen/gethostname.c +lib/libc/nameser/ns_name.c +lib/libc/nameser/ns_netint.c +lib/libc/nameser/ns_parse.c +lib/libc/nameser/ns_print.c +lib/libc/nameser/ns_ttl.c +lib/libc/net/if_indextoname.c +lib/libc/net/if_nameindex.c +lib/libc/net/linkaddr.c +lib/libc/net/map_v4v6.c +lib/libc/net/rcmd.c +lib/libc/net/recv.c +lib/libc/net/send.c +lib/libc/resolv/res_private.h +lib/libc/resolv/herror.c +lib/libc/resolv/res_comp.c +lib/libc/resolv/res_data.c +lib/libc/resolv/res_debug.c +lib/libc/resolv/res_init.c +lib/libc/resolv/res_mkquery.c +lib/libc/resolv/res_mkupdate.c +lib/libc/resolv/res_query.c +lib/libc/resolv/res_send.c +lib/libc/resolv/res_update.c +lib/libc/string/strsep.c EOF diff --git a/freebsd-userspace/include/netconfig.h b/freebsd-userspace/include/netconfig.h new file mode 100644 index 00000000..80dc0da2 --- /dev/null +++ b/freebsd-userspace/include/netconfig.h @@ -0,0 +1,96 @@ +/* $NetBSD: netconfig.h,v 1.1 2000/06/02 22:57:54 fvdl Exp $ */ +/* $FreeBSD$ */ + + +#ifndef _NETCONFIG_H_ +#define _NETCONFIG_H_ + +#include <sys/cdefs.h> + +#define NETCONFIG "/etc/netconfig" +#define NETPATH "NETPATH" + +struct netconfig { + char *nc_netid; /* Network ID */ + unsigned long nc_semantics; /* Semantics (see below) */ + unsigned long nc_flag; /* Flags (see below) */ + char *nc_protofmly; /* Protocol family */ + char *nc_proto; /* Protocol name */ + char *nc_device; /* Network device pathname */ + unsigned long nc_nlookups; /* Number of directory lookup libs */ + char **nc_lookups; /* Names of the libraries */ + unsigned long nc_unused[9]; /* reserved */ +}; + +typedef struct { + struct netconfig **nc_head; + struct netconfig **nc_curr; +} NCONF_HANDLE; + +/* + * nc_semantics values + */ +#define NC_TPI_CLTS 1 +#define NC_TPI_COTS 2 +#define NC_TPI_COTS_ORD 3 +#define NC_TPI_RAW 4 + +/* + * nc_flag values + */ +#define NC_NOFLAG 0x00 +#define NC_VISIBLE 0x01 +#define NC_BROADCAST 0x02 + +/* + * nc_protofmly values + */ +#define NC_NOPROTOFMLY "-" +#define NC_LOOPBACK "loopback" +#define NC_INET "inet" +#define NC_INET6 "inet6" +#define NC_IMPLINK "implink" +#define NC_PUP "pup" +#define NC_CHAOS "chaos" +#define NC_NS "ns" +#define NC_NBS "nbs" +#define NC_ECMA "ecma" +#define NC_DATAKIT "datakit" +#define NC_CCITT "ccitt" +#define NC_SNA "sna" +#define NC_DECNET "decnet" +#define NC_DLI "dli" +#define NC_LAT "lat" +#define NC_HYLINK "hylink" +#define NC_APPLETALK "appletalk" +#define NC_NIT "nit" +#define NC_IEEE802 "ieee802" +#define NC_OSI "osi" +#define NC_X25 "x25" +#define NC_OSINET "osinet" +#define NC_GOSIP "gosip" + +/* + * nc_proto values + */ +#define NC_NOPROTO "-" +#define NC_TCP "tcp" +#define NC_UDP "udp" +#define NC_ICMP "icmp" + +__BEGIN_DECLS +void *setnetconfig(void); +struct netconfig *getnetconfig(void *); +struct netconfig *getnetconfigent(const char *); +void freenetconfigent(struct netconfig *); +int endnetconfig(void *); + +void *setnetpath(void); +struct netconfig *getnetpath(void *); +int endnetpath(void *); + +void nc_perror(const char *); +char *nc_sperror(void); +__END_DECLS + +#endif /* _NETCONFIG_H_ */ diff --git a/freebsd-userspace/include/res_update.h b/freebsd-userspace/include/res_update.h new file mode 100644 index 00000000..f09d3a1a --- /dev/null +++ b/freebsd-userspace/include/res_update.h @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1999 by Internet Software Consortium, Inc. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * $Id: res_update.h,v 1.2.18.1 2005/04/27 05:00:49 sra Exp $ + * $FreeBSD$ + */ + +#ifndef __RES_UPDATE_H +#define __RES_UPDATE_H + +/*! \file */ + +#include <sys/types.h> +#include <arpa/nameser.h> +#include <resolv.h> + +/*% + * This RR-like structure is particular to UPDATE. + */ +struct ns_updrec { + struct { + struct ns_updrec *prev; + struct ns_updrec *next; + } r_link, r_glink; + ns_sect r_section; /*%< ZONE/PREREQUISITE/UPDATE */ + char * r_dname; /*%< owner of the RR */ + ns_class r_class; /*%< class number */ + ns_type r_type; /*%< type number */ + u_int32_t r_ttl; /*%< time to live */ + u_char * r_data; /*%< rdata fields as text string */ + u_int r_size; /*%< size of r_data field */ + int r_opcode; /*%< type of operation */ + /* following fields for private use by the resolver/server routines */ + struct databuf *r_dp; /*%< databuf to process */ + struct databuf *r_deldp; /*%< databuf's deleted/overwritten */ + u_int r_zone; /*%< zone number on server */ +}; +typedef struct ns_updrec ns_updrec; +typedef struct { + ns_updrec *head; + ns_updrec *tail; +} ns_updque; + +#define res_mkupdate __res_mkupdate +#define res_update __res_update +#define res_mkupdrec __res_mkupdrec +#define res_freeupdrec __res_freeupdrec +#define res_nmkupdate __res_nmkupdate +#define res_nupdate __res_nupdate + +int res_mkupdate(ns_updrec *, u_char *, int); +int res_update(ns_updrec *); +ns_updrec * res_mkupdrec(int, const char *, u_int, u_int, u_long); +void res_freeupdrec(ns_updrec *); +int res_nmkupdate(res_state, ns_updrec *, u_char *, int); +int res_nupdate(res_state, ns_updrec *, ns_tsig_key *); + +#endif /*__RES_UPDATE_H*/ + +/*! \file */ diff --git a/freebsd-userspace/include/rpc/auth.h b/freebsd-userspace/include/rpc/auth.h new file mode 100644 index 00000000..d39ad120 --- /dev/null +++ b/freebsd-userspace/include/rpc/auth.h @@ -0,0 +1,370 @@ +/* $NetBSD: auth.h,v 1.15 2000/06/02 22:57:55 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)auth.h 1.17 88/02/08 SMI + * from: @(#)auth.h 2.3 88/08/07 4.0 RPCSRC + * from: @(#)auth.h 1.43 98/02/02 SMI + * $FreeBSD$ + */ + +/* + * auth.h, Authentication interface. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * The data structures are completely opaque to the client. The client + * is required to pass an AUTH * to routines that create rpc + * "sessions". + */ + +#ifndef _RPC_AUTH_H +#define _RPC_AUTH_H +#include <rpc/xdr.h> +#include <rpc/clnt_stat.h> +#include <sys/cdefs.h> +#include <sys/socket.h> + +#define MAX_AUTH_BYTES 400 +#define MAXNETNAMELEN 255 /* maximum length of network user's name */ + +/* + * Client side authentication/security data + */ + +typedef struct sec_data { + u_int secmod; /* security mode number e.g. in nfssec.conf */ + u_int rpcflavor; /* rpc flavors:AUTH_UNIX,AUTH_DES,RPCSEC_GSS */ + int flags; /* AUTH_F_xxx flags */ + caddr_t data; /* opaque data per flavor */ +} sec_data_t; + +#ifdef _SYSCALL32_IMPL +struct sec_data32 { + uint32_t secmod; /* security mode number e.g. in nfssec.conf */ + uint32_t rpcflavor; /* rpc flavors:AUTH_UNIX,AUTH_DES,RPCSEC_GSS */ + int32_t flags; /* AUTH_F_xxx flags */ + caddr32_t data; /* opaque data per flavor */ +}; +#endif /* _SYSCALL32_IMPL */ + +/* + * AUTH_DES flavor specific data from sec_data opaque data field. + * AUTH_KERB has the same structure. + */ +typedef struct des_clnt_data { + struct netbuf syncaddr; /* time sync addr */ + struct knetconfig *knconf; /* knetconfig info that associated */ + /* with the syncaddr. */ + char *netname; /* server's netname */ + int netnamelen; /* server's netname len */ +} dh_k4_clntdata_t; + +#ifdef _SYSCALL32_IMPL +struct des_clnt_data32 { + struct netbuf32 syncaddr; /* time sync addr */ + caddr32_t knconf; /* knetconfig info that associated */ + /* with the syncaddr. */ + caddr32_t netname; /* server's netname */ + int32_t netnamelen; /* server's netname len */ +}; +#endif /* _SYSCALL32_IMPL */ + +#ifdef KERBEROS +/* + * flavor specific data to hold the data for AUTH_DES/AUTH_KERB(v4) + * in sec_data->data opaque field. + */ +typedef struct krb4_svc_data { + int window; /* window option value */ +} krb4_svcdata_t; + +typedef struct krb4_svc_data des_svcdata_t; +#endif /* KERBEROS */ + +/* + * authentication/security specific flags + */ +#define AUTH_F_RPCTIMESYNC 0x001 /* use RPC to do time sync */ +#define AUTH_F_TRYNONE 0x002 /* allow fall back to AUTH_NONE */ + + +/* + * Status returned from authentication check + */ +enum auth_stat { + AUTH_OK=0, + /* + * failed at remote end + */ + AUTH_BADCRED=1, /* bogus credentials (seal broken) */ + AUTH_REJECTEDCRED=2, /* client should begin new session */ + AUTH_BADVERF=3, /* bogus verifier (seal broken) */ + AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */ + AUTH_TOOWEAK=5, /* rejected due to security reasons */ + /* + * failed locally + */ + AUTH_INVALIDRESP=6, /* bogus response verifier */ + AUTH_FAILED=7, /* some unknown reason */ +#ifdef KERBEROS + /* + * kerberos errors + */ + , + AUTH_KERB_GENERIC = 8, /* kerberos generic error */ + AUTH_TIMEEXPIRE = 9, /* time of credential expired */ + AUTH_TKT_FILE = 10, /* something wrong with ticket file */ + AUTH_DECODE = 11, /* can't decode authenticator */ + AUTH_NET_ADDR = 12, /* wrong net address in ticket */ +#endif /* KERBEROS */ + /* + * RPCSEC_GSS errors + */ + RPCSEC_GSS_CREDPROBLEM = 13, + RPCSEC_GSS_CTXPROBLEM = 14, + RPCSEC_GSS_NODISPATCH = 0x8000000 +}; + +union des_block { + struct { + uint32_t high; + uint32_t low; + } key; + char c[8]; +}; +typedef union des_block des_block; +__BEGIN_DECLS +extern bool_t xdr_des_block(XDR *, des_block *); +__END_DECLS + +/* + * Authentication info. Opaque to client. + */ +struct opaque_auth { + enum_t oa_flavor; /* flavor of auth */ + caddr_t oa_base; /* address of more auth stuff */ + u_int oa_length; /* not to exceed MAX_AUTH_BYTES */ +}; + + +/* + * Auth handle, interface to client side authenticators. + */ +typedef struct __auth { + struct opaque_auth ah_cred; + struct opaque_auth ah_verf; + union des_block ah_key; + struct auth_ops { + void (*ah_nextverf) (struct __auth *); + /* nextverf & serialize */ + int (*ah_marshal) (struct __auth *, XDR *); + /* validate verifier */ + int (*ah_validate) (struct __auth *, + struct opaque_auth *); + /* refresh credentials */ + int (*ah_refresh) (struct __auth *, void *); + /* destroy this structure */ + void (*ah_destroy) (struct __auth *); + } *ah_ops; + void *ah_private; +} AUTH; + + +/* + * Authentication ops. + * The ops and the auth handle provide the interface to the authenticators. + * + * AUTH *auth; + * XDR *xdrs; + * struct opaque_auth verf; + */ +#define AUTH_NEXTVERF(auth) \ + ((*((auth)->ah_ops->ah_nextverf))(auth)) +#define auth_nextverf(auth) \ + ((*((auth)->ah_ops->ah_nextverf))(auth)) + +#define AUTH_MARSHALL(auth, xdrs) \ + ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) +#define auth_marshall(auth, xdrs) \ + ((*((auth)->ah_ops->ah_marshal))(auth, xdrs)) + +#define AUTH_VALIDATE(auth, verfp) \ + ((*((auth)->ah_ops->ah_validate))((auth), verfp)) +#define auth_validate(auth, verfp) \ + ((*((auth)->ah_ops->ah_validate))((auth), verfp)) + +#define AUTH_REFRESH(auth, msg) \ + ((*((auth)->ah_ops->ah_refresh))(auth, msg)) +#define auth_refresh(auth, msg) \ + ((*((auth)->ah_ops->ah_refresh))(auth, msg)) + +#define AUTH_DESTROY(auth) \ + ((*((auth)->ah_ops->ah_destroy))(auth)) +#define auth_destroy(auth) \ + ((*((auth)->ah_ops->ah_destroy))(auth)) + + +__BEGIN_DECLS +extern struct opaque_auth _null_auth; +__END_DECLS + +/* + * These are the various implementations of client side authenticators. + */ + +/* + * System style authentication + * AUTH *authunix_create(machname, uid, gid, len, aup_gids) + * char *machname; + * int uid; + * int gid; + * int len; + * int *aup_gids; + */ +__BEGIN_DECLS +extern AUTH *authunix_create(char *, int, int, int, + int *); +extern AUTH *authunix_create_default(void); /* takes no parameters */ +extern AUTH *authnone_create(void); /* takes no parameters */ +__END_DECLS +/* + * DES style authentication + * AUTH *authsecdes_create(servername, window, timehost, ckey) + * char *servername; - network name of server + * u_int window; - time to live + * const char *timehost; - optional hostname to sync with + * des_block *ckey; - optional conversation key to use + */ +__BEGIN_DECLS +extern AUTH *authdes_create (char *, u_int, struct sockaddr *, des_block *); +extern AUTH *authdes_seccreate (const char *, const u_int, const char *, + const des_block *); +__END_DECLS + +__BEGIN_DECLS +extern bool_t xdr_opaque_auth (XDR *, struct opaque_auth *); +__END_DECLS + +#define authsys_create(c,i1,i2,i3,ip) authunix_create((c),(i1),(i2),(i3),(ip)) +#define authsys_create_default() authunix_create_default() + +/* + * Netname manipulation routines. + */ +__BEGIN_DECLS +extern int getnetname(char *); +extern int host2netname(char *, const char *, const char *); +extern int user2netname(char *, const uid_t, const char *); +extern int netname2user(char *, uid_t *, gid_t *, int *, gid_t *); +extern int netname2host(char *, char *, const int); +extern void passwd2des ( char *, char * ); +__END_DECLS + +/* + * + * These routines interface to the keyserv daemon + * + */ +__BEGIN_DECLS +extern int key_decryptsession(const char *, des_block *); +extern int key_encryptsession(const char *, des_block *); +extern int key_gendes(des_block *); +extern int key_setsecret(const char *); +extern int key_secretkey_is_set(void); +__END_DECLS + +/* + * Publickey routines. + */ +__BEGIN_DECLS +extern int getpublickey (const char *, char *); +extern int getpublicandprivatekey (const char *, char *); +extern int getsecretkey (char *, char *, char *); +__END_DECLS + +#ifdef KERBEROS +/* + * Kerberos style authentication + * AUTH *authkerb_seccreate(service, srv_inst, realm, window, timehost, status) + * const char *service; - service name + * const char *srv_inst; - server instance + * const char *realm; - server realm + * const u_int window; - time to live + * const char *timehost; - optional hostname to sync with + * int *status; - kerberos status returned + */ +__BEGIN_DECLS +extern AUTH *authkerb_seccreate(const char *, const char *, const char *, + const u_int, const char *, int *); +__END_DECLS + +/* + * Map a kerberos credential into a unix cred. + * + * authkerb_getucred(rqst, uid, gid, grouplen, groups) + * const struct svc_req *rqst; - request pointer + * uid_t *uid; + * gid_t *gid; + * short *grouplen; + * int *groups; + * + */ +__BEGIN_DECLS +extern int authkerb_getucred(/* struct svc_req *, uid_t *, gid_t *, + short *, int * */); +__END_DECLS +#endif /* KERBEROS */ + +__BEGIN_DECLS +struct svc_req; +struct rpc_msg; +enum auth_stat _svcauth_null (struct svc_req *, struct rpc_msg *); +enum auth_stat _svcauth_short (struct svc_req *, struct rpc_msg *); +enum auth_stat _svcauth_unix (struct svc_req *, struct rpc_msg *); +__END_DECLS + +#define AUTH_NONE 0 /* no authentication */ +#define AUTH_NULL 0 /* backward compatibility */ +#define AUTH_SYS 1 /* unix style (uid, gids) */ +#define AUTH_UNIX AUTH_SYS +#define AUTH_SHORT 2 /* short hand unix style */ +#define AUTH_DH 3 /* for Diffie-Hellman mechanism */ +#define AUTH_DES AUTH_DH /* for backward compatibility */ +#define AUTH_KERB 4 /* kerberos style */ +#define RPCSEC_GSS 6 /* RPCSEC_GSS */ + +/* + * Pseudo auth flavors for RPCSEC_GSS. + */ +#define RPCSEC_GSS_KRB5 390003 +#define RPCSEC_GSS_KRB5I 390004 +#define RPCSEC_GSS_KRB5P 390005 + +#endif /* !_RPC_AUTH_H */ diff --git a/freebsd-userspace/include/rpc/auth_des.h b/freebsd-userspace/include/rpc/auth_des.h new file mode 100644 index 00000000..fff4ebfe --- /dev/null +++ b/freebsd-userspace/include/rpc/auth_des.h @@ -0,0 +1,126 @@ +/* @(#)auth_des.h 2.2 88/07/29 4.0 RPCSRC; from 1.3 88/02/08 SMI */ +/* $FreeBSD$ */ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)auth_des.h 2.2 88/07/29 4.0 RPCSRC + * from: @(#)auth_des.h 1.14 94/04/25 SMI + */ + +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* + * auth_des.h, Protocol for DES style authentication for RPC + */ + +#ifndef _AUTH_DES_ +#define _AUTH_DES_ + +/* + * There are two kinds of "names": fullnames and nicknames + */ +enum authdes_namekind { + ADN_FULLNAME, + ADN_NICKNAME +}; + +/* + * A fullname contains the network name of the client, + * a conversation key and the window + */ +struct authdes_fullname { + char *name; /* network name of client, up to MAXNETNAMELEN */ + des_block key; /* conversation key */ + u_long window; /* associated window */ +}; + + +/* + * A credential + */ +struct authdes_cred { + enum authdes_namekind adc_namekind; + struct authdes_fullname adc_fullname; + u_long adc_nickname; +}; + + + +/* + * A des authentication verifier + */ +struct authdes_verf { + union { + struct timeval adv_ctime; /* clear time */ + des_block adv_xtime; /* crypt time */ + } adv_time_u; + u_long adv_int_u; +}; + +/* + * des authentication verifier: client variety + * + * adv_timestamp is the current time. + * adv_winverf is the credential window + 1. + * Both are encrypted using the conversation key. + */ +#define adv_timestamp adv_time_u.adv_ctime +#define adv_xtimestamp adv_time_u.adv_xtime +#define adv_winverf adv_int_u + +/* + * des authentication verifier: server variety + * + * adv_timeverf is the client's timestamp + client's window + * adv_nickname is the server's nickname for the client. + * adv_timeverf is encrypted using the conversation key. + */ +#define adv_timeverf adv_time_u.adv_ctime +#define adv_xtimeverf adv_time_u.adv_xtime +#define adv_nickname adv_int_u + +/* + * Map a des credential into a unix cred. + * + */ +__BEGIN_DECLS +extern int authdes_getucred( struct authdes_cred *, uid_t *, gid_t *, int *, gid_t * ); +__END_DECLS + +__BEGIN_DECLS +extern bool_t xdr_authdes_cred(XDR *, struct authdes_cred *); +extern bool_t xdr_authdes_verf(XDR *, struct authdes_verf *); +extern int rtime(dev_t, struct netbuf *, int, struct timeval *, + struct timeval *); +extern void kgetnetname(char *); +extern enum auth_stat _svcauth_des(struct svc_req *, struct rpc_msg *); +__END_DECLS + +#endif /* ndef _AUTH_DES_ */ diff --git a/freebsd-userspace/include/rpc/auth_unix.h b/freebsd-userspace/include/rpc/auth_unix.h new file mode 100644 index 00000000..48373b2c --- /dev/null +++ b/freebsd-userspace/include/rpc/auth_unix.h @@ -0,0 +1,84 @@ +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)auth_unix.h 1.8 88/02/08 SMI + * from: @(#)auth_unix.h 2.2 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * auth_unix.h, Protocol for UNIX style authentication parameters for RPC + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +/* + * The system is very weak. The client uses no encryption for it + * credentials and only sends null verifiers. The server sends backs + * null verifiers or optionally a verifier that suggests a new short hand + * for the credentials. + */ + +#ifndef _RPC_AUTH_UNIX_H +#define _RPC_AUTH_UNIX_H +#include <sys/cdefs.h> + +/* The machine name is part of a credential; it may not exceed 255 bytes */ +#define MAX_MACHINE_NAME 255 + +/* gids compose part of a credential; there may not be more than 16 of them */ +#define NGRPS 16 + +/* + * Unix style credentials. + */ +struct authunix_parms { + u_long aup_time; + char *aup_machname; + int aup_uid; + int aup_gid; + u_int aup_len; + int *aup_gids; +}; + +#define authsys_parms authunix_parms + +__BEGIN_DECLS +extern bool_t xdr_authunix_parms(XDR *, struct authunix_parms *); +__END_DECLS + +/* + * If a response verifier has flavor AUTH_SHORT, + * then the body of the response verifier encapsulates the following structure; + * again it is serialized in the obvious fashion. + */ +struct short_hand_verf { + struct opaque_auth new_cred; +}; + +#endif /* !_RPC_AUTH_UNIX_H */ diff --git a/freebsd-userspace/include/rpc/clnt.h b/freebsd-userspace/include/rpc/clnt.h new file mode 100644 index 00000000..1c85a4a7 --- /dev/null +++ b/freebsd-userspace/include/rpc/clnt.h @@ -0,0 +1,557 @@ +/* $NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $ */ + +/* + * The contents of this file are subject to the Sun Standards + * License Version 1.0 the (the "License";) You may not use + * this file except in compliance with the License. You may + * obtain a copy of the License at lib/libc/rpc/LICENSE + * + * Software distributed under the License is distributed on + * an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either + * express or implied. See the License for the specific + * language governing rights and limitations under the License. + * + * The Original Code is Copyright 1998 by Sun Microsystems, Inc + * + * The Initial Developer of the Original Code is: Sun + * Microsystems, Inc. + * + * All Rights Reserved. + * + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)clnt.h 1.31 94/04/29 SMI + * from: @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * clnt.h - Client side remote procedure call interface. + * + * Copyright (c) 1986-1991,1994-1999 by Sun Microsystems, Inc. + * All rights reserved. + */ + +#ifndef _RPC_CLNT_H_ +#define _RPC_CLNT_H_ +#include <rpc/clnt_stat.h> +#include <sys/cdefs.h> +#include <netconfig.h> +#include <sys/un.h> + +/* + * Well-known IPV6 RPC broadcast address. + */ +#define RPCB_MULTICAST_ADDR "ff02::202" + +/* + * the following errors are in general unrecoverable. The caller + * should give up rather than retry. + */ +#define IS_UNRECOVERABLE_RPC(s) (((s) == RPC_AUTHERROR) || \ + ((s) == RPC_CANTENCODEARGS) || \ + ((s) == RPC_CANTDECODERES) || \ + ((s) == RPC_VERSMISMATCH) || \ + ((s) == RPC_PROCUNAVAIL) || \ + ((s) == RPC_PROGUNAVAIL) || \ + ((s) == RPC_PROGVERSMISMATCH) || \ + ((s) == RPC_CANTDECODEARGS)) + +/* + * Error info. + */ +struct rpc_err { + enum clnt_stat re_status; + union { + int RE_errno; /* related system error */ + enum auth_stat RE_why; /* why the auth error occurred */ + struct { + rpcvers_t low; /* lowest version supported */ + rpcvers_t high; /* highest version supported */ + } RE_vers; + struct { /* maybe meaningful if RPC_FAILED */ + int32_t s1; + int32_t s2; + } RE_lb; /* life boot & debugging only */ + } ru; +#define re_errno ru.RE_errno +#define re_why ru.RE_why +#define re_vers ru.RE_vers +#define re_lb ru.RE_lb +}; + + +/* + * Client rpc handle. + * Created by individual implementations + * Client is responsible for initializing auth, see e.g. auth_none.c. + */ +typedef struct __rpc_client { + AUTH *cl_auth; /* authenticator */ + struct clnt_ops { + /* call remote procedure */ + enum clnt_stat (*cl_call)(struct __rpc_client *, + rpcproc_t, xdrproc_t, void *, xdrproc_t, + void *, struct timeval); + /* abort a call */ + void (*cl_abort)(struct __rpc_client *); + /* get specific error code */ + void (*cl_geterr)(struct __rpc_client *, + struct rpc_err *); + /* frees results */ + bool_t (*cl_freeres)(struct __rpc_client *, + xdrproc_t, void *); + /* destroy this structure */ + void (*cl_destroy)(struct __rpc_client *); + /* the ioctl() of rpc */ + bool_t (*cl_control)(struct __rpc_client *, u_int, + void *); + } *cl_ops; + void *cl_private; /* private stuff */ + char *cl_netid; /* network token */ + char *cl_tp; /* device name */ +} CLIENT; + + +/* + * Timers used for the pseudo-transport protocol when using datagrams + */ +struct rpc_timers { + u_short rt_srtt; /* smoothed round-trip time */ + u_short rt_deviate; /* estimated deviation */ + u_long rt_rtxcur; /* current (backed-off) rto */ +}; + +/* + * Feedback values used for possible congestion and rate control + */ +#define FEEDBACK_REXMIT1 1 /* first retransmit */ +#define FEEDBACK_OK 2 /* no retransmits */ + +/* Used to set version of portmapper used in broadcast */ + +#define CLCR_SET_LOWVERS 3 +#define CLCR_GET_LOWVERS 4 + +#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */ + +/* + * client side rpc interface ops + * + * Parameter types are: + * + */ + +/* + * enum clnt_stat + * CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout) + * CLIENT *rh; + * rpcproc_t proc; + * xdrproc_t xargs; + * void *argsp; + * xdrproc_t xres; + * void *resp; + * struct timeval timeout; + */ +#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \ + ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \ + argsp, xres, resp, secs)) +#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \ + ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \ + argsp, xres, resp, secs)) + +/* + * void + * CLNT_ABORT(rh); + * CLIENT *rh; + */ +#define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh)) +#define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh)) + +/* + * struct rpc_err + * CLNT_GETERR(rh); + * CLIENT *rh; + */ +#define CLNT_GETERR(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp)) +#define clnt_geterr(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp)) + + +/* + * bool_t + * CLNT_FREERES(rh, xres, resp); + * CLIENT *rh; + * xdrproc_t xres; + * void *resp; + */ +#define CLNT_FREERES(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp)) +#define clnt_freeres(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp)) + +/* + * bool_t + * CLNT_CONTROL(cl, request, info) + * CLIENT *cl; + * u_int request; + * char *info; + */ +#define CLNT_CONTROL(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in)) +#define clnt_control(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in)) + +/* + * control operations that apply to both udp and tcp transports + */ +#define CLSET_TIMEOUT 1 /* set timeout (timeval) */ +#define CLGET_TIMEOUT 2 /* get timeout (timeval) */ +#define CLGET_SERVER_ADDR 3 /* get server's address (sockaddr) */ +#define CLGET_FD 6 /* get connections file descriptor */ +#define CLGET_SVC_ADDR 7 /* get server's address (netbuf) */ +#define CLSET_FD_CLOSE 8 /* close fd while clnt_destroy */ +#define CLSET_FD_NCLOSE 9 /* Do not close fd while clnt_destroy */ +#define CLGET_XID 10 /* Get xid */ +#define CLSET_XID 11 /* Set xid */ +#define CLGET_VERS 12 /* Get version number */ +#define CLSET_VERS 13 /* Set version number */ +#define CLGET_PROG 14 /* Get program number */ +#define CLSET_PROG 15 /* Set program number */ +#define CLSET_SVC_ADDR 16 /* get server's address (netbuf) */ +#define CLSET_PUSH_TIMOD 17 /* push timod if not already present */ +#define CLSET_POP_TIMOD 18 /* pop timod */ +/* + * Connectionless only control operations + */ +#define CLSET_RETRY_TIMEOUT 4 /* set retry timeout (timeval) */ +#define CLGET_RETRY_TIMEOUT 5 /* get retry timeout (timeval) */ +#define CLSET_ASYNC 19 +#define CLSET_CONNECT 20 /* Use connect() for UDP. (int) */ + +/* + * void + * CLNT_DESTROY(rh); + * CLIENT *rh; + */ +#define CLNT_DESTROY(rh) ((*(rh)->cl_ops->cl_destroy)(rh)) +#define clnt_destroy(rh) ((*(rh)->cl_ops->cl_destroy)(rh)) + + +/* + * RPCTEST is a test program which is accessible on every rpc + * transport/port. It is used for testing, performance evaluation, + * and network administration. + */ + +#define RPCTEST_PROGRAM ((rpcprog_t)1) +#define RPCTEST_VERSION ((rpcvers_t)1) +#define RPCTEST_NULL_PROC ((rpcproc_t)2) +#define RPCTEST_NULL_BATCH_PROC ((rpcproc_t)3) + +/* + * By convention, procedure 0 takes null arguments and returns them + */ + +#define NULLPROC ((rpcproc_t)0) + +/* + * Below are the client handle creation routines for the various + * implementations of client side rpc. They can return NULL if a + * creation failure occurs. + */ + +/* + * Generic client creation routine. Supported protocols are those that + * belong to the nettype namespace (/etc/netconfig). + */ +__BEGIN_DECLS +extern CLIENT *clnt_create(const char *, const rpcprog_t, const rpcvers_t, + const char *); +/* + * + * const char *hostname; -- hostname + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const char *nettype; -- network type + */ + + /* + * Generic client creation routine. Just like clnt_create(), except + * it takes an additional timeout parameter. + */ +extern CLIENT * clnt_create_timed(const char *, const rpcprog_t, + const rpcvers_t, const char *, const struct timeval *); +/* + * + * const char *hostname; -- hostname + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const char *nettype; -- network type + * const struct timeval *tp; -- timeout + */ + +/* + * Generic client creation routine. Supported protocols are which belong + * to the nettype name space. + */ +extern CLIENT *clnt_create_vers(const char *, const rpcprog_t, rpcvers_t *, + const rpcvers_t, const rpcvers_t, + const char *); +/* + * const char *host; -- hostname + * const rpcprog_t prog; -- program number + * rpcvers_t *vers_out; -- servers highest available version + * const rpcvers_t vers_low; -- low version number + * const rpcvers_t vers_high; -- high version number + * const char *nettype; -- network type + */ + +/* + * Generic client creation routine. Supported protocols are which belong + * to the nettype name space. + */ +extern CLIENT * clnt_create_vers_timed(const char *, const rpcprog_t, + rpcvers_t *, const rpcvers_t, const rpcvers_t, const char *, + const struct timeval *); +/* + * const char *host; -- hostname + * const rpcprog_t prog; -- program number + * rpcvers_t *vers_out; -- servers highest available version + * const rpcvers_t vers_low; -- low version number + * const rpcvers_t vers_high; -- high version number + * const char *nettype; -- network type + * const struct timeval *tp -- timeout + */ + +/* + * Generic client creation routine. It takes a netconfig structure + * instead of nettype + */ +extern CLIENT *clnt_tp_create(const char *, const rpcprog_t, + const rpcvers_t, const struct netconfig *); +/* + * const char *hostname; -- hostname + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const struct netconfig *netconf; -- network config structure + */ + +/* + * Generic client creation routine. Just like clnt_tp_create(), except + * it takes an additional timeout parameter. + */ +extern CLIENT * clnt_tp_create_timed(const char *, const rpcprog_t, + const rpcvers_t, const struct netconfig *, const struct timeval *); +/* + * const char *hostname; -- hostname + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const struct netconfig *netconf; -- network config structure + * const struct timeval *tp -- timeout + */ + +/* + * Generic TLI create routine. Only provided for compatibility. + */ + +extern CLIENT *clnt_tli_create(const int, const struct netconfig *, + struct netbuf *, const rpcprog_t, + const rpcvers_t, const u_int, const u_int); +/* + * const register int fd; -- fd + * const struct netconfig *nconf; -- netconfig structure + * struct netbuf *svcaddr; -- servers address + * const u_long prog; -- program number + * const u_long vers; -- version number + * const u_int sendsz; -- send size + * const u_int recvsz; -- recv size + */ + +/* + * Low level clnt create routine for connectionful transports, e.g. tcp. + */ +extern CLIENT *clnt_vc_create(const int, const struct netbuf *, + const rpcprog_t, const rpcvers_t, + u_int, u_int); +/* + * Added for compatibility to old rpc 4.0. Obsoleted by clnt_vc_create(). + */ +extern CLIENT *clntunix_create(struct sockaddr_un *, + u_long, u_long, int *, u_int, u_int); +/* + * const int fd; -- open file descriptor + * const struct netbuf *svcaddr; -- servers address + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const u_int sendsz; -- buffer recv size + * const u_int recvsz; -- buffer send size + */ + +/* + * Low level clnt create routine for connectionless transports, e.g. udp. + */ +extern CLIENT *clnt_dg_create(const int, const struct netbuf *, + const rpcprog_t, const rpcvers_t, + const u_int, const u_int); +/* + * const int fd; -- open file descriptor + * const struct netbuf *svcaddr; -- servers address + * const rpcprog_t program; -- program number + * const rpcvers_t version; -- version number + * const u_int sendsz; -- buffer recv size + * const u_int recvsz; -- buffer send size + */ + +/* + * Memory based rpc (for speed check and testing) + * CLIENT * + * clnt_raw_create(prog, vers) + * u_long prog; + * u_long vers; + */ +extern CLIENT *clnt_raw_create(rpcprog_t, rpcvers_t); + +__END_DECLS + + +/* + * Print why creation failed + */ +__BEGIN_DECLS +extern void clnt_pcreateerror(const char *); /* stderr */ +extern char *clnt_spcreateerror(const char *); /* string */ +__END_DECLS + +/* + * Like clnt_perror(), but is more verbose in its output + */ +__BEGIN_DECLS +extern void clnt_perrno(enum clnt_stat); /* stderr */ +extern char *clnt_sperrno(enum clnt_stat); /* string */ +__END_DECLS + +/* + * Print an English error message, given the client error code + */ +__BEGIN_DECLS +extern void clnt_perror(CLIENT *, const char *); /* stderr */ +extern char *clnt_sperror(CLIENT *, const char *); /* string */ +__END_DECLS + + +/* + * If a creation fails, the following allows the user to figure out why. + */ +struct rpc_createerr { + enum clnt_stat cf_stat; + struct rpc_err cf_error; /* useful when cf_stat == RPC_PMAPFAILURE */ +}; + +__BEGIN_DECLS +extern struct rpc_createerr *__rpc_createerr(void); +__END_DECLS +#define rpc_createerr (*(__rpc_createerr())) + +/* + * The simplified interface: + * enum clnt_stat + * rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype) + * const char *host; + * const rpcprog_t prognum; + * const rpcvers_t versnum; + * const rpcproc_t procnum; + * const xdrproc_t inproc, outproc; + * const char *in; + * char *out; + * const char *nettype; + */ +__BEGIN_DECLS +extern enum clnt_stat rpc_call(const char *, const rpcprog_t, + const rpcvers_t, const rpcproc_t, + const xdrproc_t, const char *, + const xdrproc_t, char *, const char *); +__END_DECLS + +/* + * RPC broadcast interface + * The call is broadcasted to all locally connected nets. + * + * extern enum clnt_stat + * rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, + * eachresult, nettype) + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const rpcproc_t proc; -- procedure number + * const xdrproc_t xargs; -- xdr routine for args + * caddr_t argsp; -- pointer to args + * const xdrproc_t xresults; -- xdr routine for results + * caddr_t resultsp; -- pointer to results + * const resultproc_t eachresult; -- call with each result + * const char *nettype; -- Transport type + * + * For each valid response received, the procedure eachresult is called. + * Its form is: + * done = eachresult(resp, raddr, nconf) + * bool_t done; + * caddr_t resp; + * struct netbuf *raddr; + * struct netconfig *nconf; + * where resp points to the results of the call and raddr is the + * address if the responder to the broadcast. nconf is the transport + * on which the response was received. + * + * extern enum clnt_stat + * rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp, + * eachresult, inittime, waittime, nettype) + * const rpcprog_t prog; -- program number + * const rpcvers_t vers; -- version number + * const rpcproc_t proc; -- procedure number + * const xdrproc_t xargs; -- xdr routine for args + * caddr_t argsp; -- pointer to args + * const xdrproc_t xresults; -- xdr routine for results + * caddr_t resultsp; -- pointer to results + * const resultproc_t eachresult; -- call with each result + * const int inittime; -- how long to wait initially + * const int waittime; -- maximum time to wait + * const char *nettype; -- Transport type + */ + +typedef bool_t (*resultproc_t)(caddr_t, ...); + +__BEGIN_DECLS +extern enum clnt_stat rpc_broadcast(const rpcprog_t, const rpcvers_t, + const rpcproc_t, const xdrproc_t, + caddr_t, const xdrproc_t, caddr_t, + const resultproc_t, const char *); +extern enum clnt_stat rpc_broadcast_exp(const rpcprog_t, const rpcvers_t, + const rpcproc_t, const xdrproc_t, + caddr_t, const xdrproc_t, caddr_t, + const resultproc_t, const int, + const int, const char *); +__END_DECLS + +/* For backward compatibility */ +#include <rpc/clnt_soc.h> + +#endif /* !_RPC_CLNT_H_ */ diff --git a/freebsd-userspace/include/rpc/clnt_soc.h b/freebsd-userspace/include/rpc/clnt_soc.h new file mode 100644 index 00000000..1e7a0dea --- /dev/null +++ b/freebsd-userspace/include/rpc/clnt_soc.h @@ -0,0 +1,106 @@ +/* $NetBSD: clnt_soc.h,v 1.1 2000/06/02 22:57:55 fvdl Exp $ */ +/* $FreeBSD$ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +/* + * Copyright (c) 1984 - 1991 by Sun Microsystems, Inc. + */ + +/* + * clnt.h - Client side remote procedure call interface. + */ + +#ifndef _RPC_CLNT_SOC_H +#define _RPC_CLNT_SOC_H + +/* derived from clnt_soc.h 1.3 88/12/17 SMI */ + +/* + * All the following declarations are only for backward compatibility + * with TS-RPC. + */ + +#include <sys/cdefs.h> + +#define UDPMSGSIZE 8800 /* rpc imposed limit on udp msg size */ + +/* + * TCP based rpc + * CLIENT * + * clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz) + * struct sockaddr_in *raddr; + * u_long prog; + * u_long version; + * register int *sockp; + * u_int sendsz; + * u_int recvsz; + */ +__BEGIN_DECLS +extern CLIENT *clnttcp_create(struct sockaddr_in *, u_long, u_long, int *, + u_int, u_int); +__END_DECLS + +/* + * Raw (memory) rpc. + */ +__BEGIN_DECLS +extern CLIENT *clntraw_create(u_long, u_long); +__END_DECLS + + +/* + * UDP based rpc. + * CLIENT * + * clntudp_create(raddr, program, version, wait, sockp) + * struct sockaddr_in *raddr; + * u_long program; + * u_long version; + * struct timeval wait; + * int *sockp; + * + * Same as above, but you specify max packet sizes. + * CLIENT * + * clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz) + * struct sockaddr_in *raddr; + * u_long program; + * u_long version; + * struct timeval wait; + * int *sockp; + * u_int sendsz; + * u_int recvsz; + */ +__BEGIN_DECLS +extern CLIENT *clntudp_create(struct sockaddr_in *, u_long, u_long, + struct timeval, int *); +extern CLIENT *clntudp_bufcreate(struct sockaddr_in *, u_long, u_long, + struct timeval, int *, u_int, u_int); +__END_DECLS + +#endif /* _RPC_CLNT_SOC_H */ diff --git a/freebsd-userspace/include/rpc/clnt_stat.h b/freebsd-userspace/include/rpc/clnt_stat.h new file mode 100644 index 00000000..6148b4eb --- /dev/null +++ b/freebsd-userspace/include/rpc/clnt_stat.h @@ -0,0 +1,83 @@ +/* $FreeBSD$ */ +/* + * Copyright (c) 1986 - 1991, 1994, 1996, 1997 by Sun Microsystems, Inc. + * All rights reserved. + */ + +/* + * clnt_stat.h - Client side remote procedure call enum + * + */ + +#ifndef _RPC_CLNT_STAT_H +#define _RPC_CLNT_STAT_H + +/* #pragma ident "@(#)clnt_stat.h 1.2 97/04/28 SMI" */ + +#ifdef __cplusplus +extern "C" { +#endif + +enum clnt_stat { + RPC_SUCCESS = 0, /* call succeeded */ + /* + * local errors + */ + RPC_CANTENCODEARGS = 1, /* can't encode arguments */ + RPC_CANTDECODERES = 2, /* can't decode results */ + RPC_CANTSEND = 3, /* failure in sending call */ + RPC_CANTRECV = 4, + /* failure in receiving result */ + RPC_TIMEDOUT = 5, /* call timed out */ + RPC_INTR = 18, /* call interrupted */ + RPC_UDERROR = 23, /* recv got uderr indication */ + /* + * remote errors + */ + RPC_VERSMISMATCH = 6, /* rpc versions not compatible */ + RPC_AUTHERROR = 7, /* authentication error */ + RPC_PROGUNAVAIL = 8, /* program not available */ + RPC_PROGVERSMISMATCH = 9, /* program version mismatched */ + RPC_PROCUNAVAIL = 10, /* procedure unavailable */ + RPC_CANTDECODEARGS = 11, /* decode arguments error */ + RPC_SYSTEMERROR = 12, /* generic "other problem" */ + + /* + * rpc_call & clnt_create errors + */ + RPC_UNKNOWNHOST = 13, /* unknown host name */ + RPC_UNKNOWNPROTO = 17, /* unknown protocol */ + RPC_UNKNOWNADDR = 19, /* Remote address unknown */ + RPC_NOBROADCAST = 21, /* Broadcasting not supported */ + + /* + * rpcbind errors + */ + RPC_RPCBFAILURE = 14, /* the pmapper failed in its call */ +#define RPC_PMAPFAILURE RPC_RPCBFAILURE + RPC_PROGNOTREGISTERED = 15, /* remote program is not registered */ + RPC_N2AXLATEFAILURE = 22, + /* Name to address translation failed */ + /* + * Misc error in the TLI library + */ + RPC_TLIERROR = 20, + /* + * unspecified error + */ + RPC_FAILED = 16, + /* + * asynchronous errors + */ + RPC_INPROGRESS = 24, + RPC_STALERACHANDLE = 25, + RPC_CANTCONNECT = 26, /* couldn't make connection (cots) */ + RPC_XPRTFAILED = 27, /* received discon from remote (cots) */ + RPC_CANTCREATESTREAM = 28 /* can't push rpc module (cots) */ +}; + +#ifdef __cplusplus +} +#endif + +#endif /* !_RPC_CLNT_STAT_H */ diff --git a/freebsd-userspace/include/rpc/pmap_clnt.h b/freebsd-userspace/include/rpc/pmap_clnt.h new file mode 100644 index 00000000..89f1614a --- /dev/null +++ b/freebsd-userspace/include/rpc/pmap_clnt.h @@ -0,0 +1,86 @@ +/* $NetBSD: pmap_clnt.h,v 1.9 2000/06/02 22:57:55 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)pmap_clnt.h 1.11 88/02/08 SMI + * from: @(#)pmap_clnt.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * pmap_clnt.h + * Supplies C routines to get to portmap services. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +/* + * Usage: + * success = pmap_set(program, version, protocol, port); + * success = pmap_unset(program, version); + * port = pmap_getport(address, program, version, protocol); + * head = pmap_getmaps(address); + * clnt_stat = pmap_rmtcall(address, program, version, procedure, + * xdrargs, argsp, xdrres, resp, tout, port_ptr) + * (works for udp only.) + * clnt_stat = clnt_broadcast(program, version, procedure, + * xdrargs, argsp, xdrres, resp, eachresult) + * (like pmap_rmtcall, except the call is broadcasted to all + * locally connected nets. For each valid response received, + * the procedure eachresult is called. Its form is: + * done = eachresult(resp, raddr) + * bool_t done; + * caddr_t resp; + * struct sockaddr_in raddr; + * where resp points to the results of the call and raddr is the + * address if the responder to the broadcast. + */ + +#ifndef _RPC_PMAP_CLNT_H_ +#define _RPC_PMAP_CLNT_H_ +#include <sys/cdefs.h> + +__BEGIN_DECLS +extern bool_t pmap_set(u_long, u_long, int, int); +extern bool_t pmap_unset(u_long, u_long); +extern struct pmaplist *pmap_getmaps(struct sockaddr_in *); +extern enum clnt_stat pmap_rmtcall(struct sockaddr_in *, + u_long, u_long, u_long, + xdrproc_t, caddr_t, + xdrproc_t, caddr_t, + struct timeval, u_long *); +extern enum clnt_stat clnt_broadcast(u_long, u_long, u_long, + xdrproc_t, void *, + xdrproc_t, void *, + resultproc_t); +extern u_short pmap_getport(struct sockaddr_in *, + u_long, u_long, u_int); +__END_DECLS + +#endif /* !_RPC_PMAP_CLNT_H_ */ diff --git a/freebsd-userspace/include/rpc/pmap_prot.h b/freebsd-userspace/include/rpc/pmap_prot.h new file mode 100644 index 00000000..366832a7 --- /dev/null +++ b/freebsd-userspace/include/rpc/pmap_prot.h @@ -0,0 +1,107 @@ +/* $NetBSD: pmap_prot.h,v 1.8 2000/06/02 22:57:55 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)pmap_prot.h 1.14 88/02/08 SMI + * from: @(#)pmap_prot.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * pmap_prot.h + * Protocol for the local binder service, or pmap. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + * + * The following procedures are supported by the protocol: + * + * PMAPPROC_NULL() returns () + * takes nothing, returns nothing + * + * PMAPPROC_SET(struct pmap) returns (bool_t) + * TRUE is success, FALSE is failure. Registers the tuple + * [prog, vers, prot, port]. + * + * PMAPPROC_UNSET(struct pmap) returns (bool_t) + * TRUE is success, FALSE is failure. Un-registers pair + * [prog, vers]. prot and port are ignored. + * + * PMAPPROC_GETPORT(struct pmap) returns (long unsigned). + * 0 is failure. Otherwise returns the port number where the pair + * [prog, vers] is registered. It may lie! + * + * PMAPPROC_DUMP() RETURNS (struct pmaplist *) + * + * PMAPPROC_CALLIT(unsigned, unsigned, unsigned, string<>) + * RETURNS (port, string<>); + * usage: encapsulatedresults = PMAPPROC_CALLIT(prog, vers, proc, encapsulatedargs); + * Calls the procedure on the local machine. If it is not registered, + * this procedure is quite; ie it does not return error information!!! + * This procedure only is supported on rpc/udp and calls via + * rpc/udp. This routine only passes null authentication parameters. + * This file has no interface to xdr routines for PMAPPROC_CALLIT. + * + * The service supports remote procedure calls on udp/ip or tcp/ip socket 111. + */ + +#ifndef _RPC_PMAP_PROT_H +#define _RPC_PMAP_PROT_H +#include <sys/cdefs.h> + +#define PMAPPORT ((u_short)111) +#define PMAPPROG ((u_long)100000) +#define PMAPVERS ((u_long)2) +#define PMAPVERS_PROTO ((u_long)2) +#define PMAPVERS_ORIG ((u_long)1) +#define PMAPPROC_NULL ((u_long)0) +#define PMAPPROC_SET ((u_long)1) +#define PMAPPROC_UNSET ((u_long)2) +#define PMAPPROC_GETPORT ((u_long)3) +#define PMAPPROC_DUMP ((u_long)4) +#define PMAPPROC_CALLIT ((u_long)5) + +struct pmap { + long unsigned pm_prog; + long unsigned pm_vers; + long unsigned pm_prot; + long unsigned pm_port; +}; + +struct pmaplist { + struct pmap pml_map; + struct pmaplist *pml_next; +}; + +__BEGIN_DECLS +extern bool_t xdr_pmap(XDR *, struct pmap *); +extern bool_t xdr_pmaplist(XDR *, struct pmaplist **); +extern bool_t xdr_pmaplist_ptr(XDR *, struct pmaplist *); +__END_DECLS + +#endif /* !_RPC_PMAP_PROT_H */ diff --git a/freebsd-userspace/include/rpc/rpc.h b/freebsd-userspace/include/rpc/rpc.h new file mode 100644 index 00000000..725b542a --- /dev/null +++ b/freebsd-userspace/include/rpc/rpc.h @@ -0,0 +1,108 @@ +/* $NetBSD: rpc.h,v 1.13 2000/06/02 22:57:56 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)rpc.h 1.9 88/02/08 SMI + * from: @(#)rpc.h 2.4 89/07/11 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * rpc.h, Just includes the billions of rpc header files necessary to + * do remote procedure calling. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ +#ifndef _RPC_RPC_H +#define _RPC_RPC_H + +#include <rpc/types.h> /* some typedefs */ +#include <sys/socket.h> +#include <netinet/in.h> + +/* external data representation interfaces */ +#include <rpc/xdr.h> /* generic (de)serializer */ + +/* Client side only authentication */ +#include <rpc/auth.h> /* generic authenticator (client side) */ + +/* Client side (mostly) remote procedure call */ +#include <rpc/clnt.h> /* generic rpc stuff */ + +/* semi-private protocol headers */ +#include <rpc/rpc_msg.h> /* protocol for rpc messages */ +#include <rpc/auth_unix.h> /* protocol for unix style cred */ +/* + * Uncomment-out the next line if you are building the rpc library with + * DES Authentication (see the README file in the secure_rpc/ directory). + */ +#include <rpc/auth_des.h> /* protocol for des style cred */ + +/* Server side only remote procedure callee */ +#include <rpc/svc.h> /* service manager and multiplexer */ +#include <rpc/svc_auth.h> /* service side authenticator */ + +/* Portmapper client, server, and protocol headers */ +#include <rpc/pmap_clnt.h> +#include <rpc/pmap_prot.h> + +#ifndef _KERNEL +#include <rpc/rpcb_clnt.h> /* rpcbind interface functions */ +#endif + +#include <rpc/rpcent.h> + +__BEGIN_DECLS +extern int get_myaddress(struct sockaddr_in *); +extern int bindresvport(int, struct sockaddr_in *); +extern int registerrpc(int, int, int, char *(*)(char [UDPMSGSIZE]), + xdrproc_t, xdrproc_t); +extern int callrpc(const char *, int, int, int, xdrproc_t, void *, + xdrproc_t , void *); +extern int getrpcport(char *, int, int, int); + +char *taddr2uaddr(const struct netconfig *, const struct netbuf *); +struct netbuf *uaddr2taddr(const struct netconfig *, const char *); + +struct sockaddr; +extern int bindresvport_sa(int, struct sockaddr *); +__END_DECLS + +/* + * The following are not exported interfaces, they are for internal library + * and rpcbind use only. Do not use, they may change without notice. + */ +__BEGIN_DECLS +int __rpc_nconf2fd(const struct netconfig *); +int __rpc_nconf2sockinfo(const struct netconfig *, struct __rpc_sockinfo *); +int __rpc_fd2sockinfo(int, struct __rpc_sockinfo *); +u_int __rpc_get_t_size(int, int, int); +__END_DECLS + +#endif /* !_RPC_RPC_H */ diff --git a/freebsd-userspace/include/rpc/rpc_msg.h b/freebsd-userspace/include/rpc/rpc_msg.h new file mode 100644 index 00000000..354b3414 --- /dev/null +++ b/freebsd-userspace/include/rpc/rpc_msg.h @@ -0,0 +1,214 @@ +/* $NetBSD: rpc_msg.h,v 1.11 2000/06/02 22:57:56 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)rpc_msg.h 1.7 86/07/16 SMI + * from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * rpc_msg.h + * rpc message definition + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#ifndef _RPC_RPC_MSG_H +#define _RPC_RPC_MSG_H + +#define RPC_MSG_VERSION ((u_int32_t) 2) +#define RPC_SERVICE_PORT ((u_short) 2048) + +/* + * Bottom up definition of an rpc message. + * NOTE: call and reply use the same overall stuct but + * different parts of unions within it. + */ + +enum msg_type { + CALL=0, + REPLY=1 +}; + +enum reply_stat { + MSG_ACCEPTED=0, + MSG_DENIED=1 +}; + +enum accept_stat { + SUCCESS=0, + PROG_UNAVAIL=1, + PROG_MISMATCH=2, + PROC_UNAVAIL=3, + GARBAGE_ARGS=4, + SYSTEM_ERR=5 +}; + +enum reject_stat { + RPC_MISMATCH=0, + AUTH_ERROR=1 +}; + +/* + * Reply part of an rpc exchange + */ + +/* + * Reply to an rpc request that was accepted by the server. + * Note: there could be an error even though the request was + * accepted. + */ +struct accepted_reply { + struct opaque_auth ar_verf; + enum accept_stat ar_stat; + union { + struct { + rpcvers_t low; + rpcvers_t high; + } AR_versions; + struct { + caddr_t where; + xdrproc_t proc; + } AR_results; + /* and many other null cases */ + } ru; +#define ar_results ru.AR_results +#define ar_vers ru.AR_versions +}; + +/* + * Reply to an rpc request that was rejected by the server. + */ +struct rejected_reply { + enum reject_stat rj_stat; + union { + struct { + rpcvers_t low; + rpcvers_t high; + } RJ_versions; + enum auth_stat RJ_why; /* why authentication did not work */ + } ru; +#define rj_vers ru.RJ_versions +#define rj_why ru.RJ_why +}; + +/* + * Body of a reply to an rpc request. + */ +struct reply_body { + enum reply_stat rp_stat; + union { + struct accepted_reply RP_ar; + struct rejected_reply RP_dr; + } ru; +#define rp_acpt ru.RP_ar +#define rp_rjct ru.RP_dr +}; + +/* + * Body of an rpc request call. + */ +struct call_body { + rpcvers_t cb_rpcvers; /* must be equal to two */ + rpcprog_t cb_prog; + rpcvers_t cb_vers; + rpcproc_t cb_proc; + struct opaque_auth cb_cred; + struct opaque_auth cb_verf; /* protocol specific - provided by client */ +}; + +/* + * The rpc message + */ +struct rpc_msg { + u_int32_t rm_xid; + enum msg_type rm_direction; + union { + struct call_body RM_cmb; + struct reply_body RM_rmb; + } ru; +#define rm_call ru.RM_cmb +#define rm_reply ru.RM_rmb +}; +#define acpted_rply ru.RM_rmb.ru.RP_ar +#define rjcted_rply ru.RM_rmb.ru.RP_dr + +__BEGIN_DECLS +/* + * XDR routine to handle a rpc message. + * xdr_callmsg(xdrs, cmsg) + * XDR *xdrs; + * struct rpc_msg *cmsg; + */ +extern bool_t xdr_callmsg(XDR *, struct rpc_msg *); + +/* + * XDR routine to pre-serialize the static part of a rpc message. + * xdr_callhdr(xdrs, cmsg) + * XDR *xdrs; + * struct rpc_msg *cmsg; + */ +extern bool_t xdr_callhdr(XDR *, struct rpc_msg *); + +/* + * XDR routine to handle a rpc reply. + * xdr_replymsg(xdrs, rmsg) + * XDR *xdrs; + * struct rpc_msg *rmsg; + */ +extern bool_t xdr_replymsg(XDR *, struct rpc_msg *); + + +/* + * XDR routine to handle an accepted rpc reply. + * xdr_accepted_reply(xdrs, rej) + * XDR *xdrs; + * struct accepted_reply *rej; + */ +extern bool_t xdr_accepted_reply(XDR *, struct accepted_reply *); + +/* + * XDR routine to handle a rejected rpc reply. + * xdr_rejected_reply(xdrs, rej) + * XDR *xdrs; + * struct rejected_reply *rej; + */ +extern bool_t xdr_rejected_reply(XDR *, struct rejected_reply *); + +/* + * Fills in the error part of a reply message. + * _seterr_reply(msg, error) + * struct rpc_msg *msg; + * struct rpc_err *error; + */ +extern void _seterr_reply(struct rpc_msg *, struct rpc_err *); +__END_DECLS + +#endif /* !_RPC_RPC_MSG_H */ diff --git a/freebsd-userspace/include/rpc/rpcb_clnt.h b/freebsd-userspace/include/rpc/rpcb_clnt.h new file mode 100644 index 00000000..fa64a853 --- /dev/null +++ b/freebsd-userspace/include/rpc/rpcb_clnt.h @@ -0,0 +1,85 @@ +/* $NetBSD: rpcb_clnt.h,v 1.1 2000/06/02 22:57:56 fvdl Exp $ */ +/* $FreeBSD$ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* + * rpcb_clnt.h + * Supplies C routines to get to rpcbid services. + * + */ + +/* + * Usage: + * success = rpcb_set(program, version, nconf, address); + * success = rpcb_unset(program, version, nconf); + * success = rpcb_getaddr(program, version, nconf, host); + * head = rpcb_getmaps(nconf, host); + * clnt_stat = rpcb_rmtcall(nconf, host, program, version, procedure, + * xdrargs, argsp, xdrres, resp, tout, addr_ptr) + * success = rpcb_gettime(host, timep) + * uaddr = rpcb_taddr2uaddr(nconf, taddr); + * taddr = rpcb_uaddr2uaddr(nconf, uaddr); + */ + +#ifndef _RPC_RPCB_CLNT_H +#define _RPC_RPCB_CLNT_H + +/* #pragma ident "@(#)rpcb_clnt.h 1.13 94/04/25 SMI" */ +/* rpcb_clnt.h 1.3 88/12/05 SMI */ + +#include <rpc/types.h> +#include <rpc/rpcb_prot.h> + +__BEGIN_DECLS +extern bool_t rpcb_set(const rpcprog_t, const rpcvers_t, + const struct netconfig *, const struct netbuf *); +extern bool_t rpcb_unset(const rpcprog_t, const rpcvers_t, + const struct netconfig *); +extern rpcblist *rpcb_getmaps(const struct netconfig *, const char *); +extern enum clnt_stat rpcb_rmtcall(const struct netconfig *, + const char *, const rpcprog_t, + const rpcvers_t, const rpcproc_t, + const xdrproc_t, const caddr_t, + const xdrproc_t, const caddr_t, + const struct timeval, + const struct netbuf *); +extern bool_t rpcb_getaddr(const rpcprog_t, const rpcvers_t, + const struct netconfig *, struct netbuf *, + const char *); +extern bool_t rpcb_gettime(const char *, time_t *); +extern char *rpcb_taddr2uaddr(struct netconfig *, struct netbuf *); +extern struct netbuf *rpcb_uaddr2taddr(struct netconfig *, char *); +__END_DECLS + +#endif /* !_RPC_RPCB_CLNT_H */ diff --git a/freebsd-userspace/include/rpc/rpcb_prot.x b/freebsd-userspace/include/rpc/rpcb_prot.x new file mode 100644 index 00000000..c5748413 --- /dev/null +++ b/freebsd-userspace/include/rpc/rpcb_prot.x @@ -0,0 +1,554 @@ +%/* +% * $FreeBSD$ +% * +% * Sun RPC is a product of Sun Microsystems, Inc. and is provided for +% * unrestricted use provided that this legend is included on all tape +% * media and as a part of the software program in whole or part. Users +% * may copy or modify Sun RPC without charge, but are not authorized +% * to license or distribute it to anyone else except as part of a product or +% * program developed by the user. +% * +% * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE +% * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR +% * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. +% * +% * Sun RPC is provided with no support and without any obligation on the +% * part of Sun Microsystems, Inc. to assist in its use, correction, +% * modification or enhancement. +% * +% * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE +% * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC +% * OR ANY PART THEREOF. +% * +% * In no event will Sun Microsystems, Inc. be liable for any lost revenue +% * or profits or other special, indirect and consequential damages, even if +% * Sun has been advised of the possibility of such damages. +% * +% * Sun Microsystems, Inc. +% * 2550 Garcia Avenue +% * Mountain View, California 94043 +% */ +%/* +% * Copyright (c) 1988 by Sun Microsystems, Inc. +% */ + +%/* from rpcb_prot.x */ + +#ifdef RPC_HDR +% +%/* #pragma ident "@(#)rpcb_prot.x 1.5 94/04/29 SMI" */ +% +%#ifndef _KERNEL +% +#endif + +/* + * rpcb_prot.x + * rpcbind protocol, versions 3 and 4, in RPC Language + */ +% +%/* +% * The following procedures are supported by the protocol in version 3: +% * +% * RPCBPROC_NULL() returns () +% * takes nothing, returns nothing +% * +% * RPCBPROC_SET(rpcb) returns (bool_t) +% * TRUE is success, FALSE is failure. Registers the tuple +% * [prog, vers, address, owner, netid]. +% * Finds out owner and netid information on its own. +% * +% * RPCBPROC_UNSET(rpcb) returns (bool_t) +% * TRUE is success, FALSE is failure. Un-registers tuple +% * [prog, vers, netid]. addresses is ignored. +% * If netid is NULL, unregister all. +% * +% * RPCBPROC_GETADDR(rpcb) returns (string). +% * 0 is failure. Otherwise returns the universal address where the +% * triple [prog, vers, netid] is registered. Ignore address and owner. +% * +% * RPCBPROC_DUMP() RETURNS (rpcblist_ptr) +% * used to dump the entire rpcbind maps +% * +% * RPCBPROC_CALLIT(rpcb_rmtcallargs) +% * RETURNS (rpcb_rmtcallres); +% * Calls the procedure on the remote machine. If it is not registered, +% * this procedure is quiet; i.e. it does not return error information!!! +% * This routine only passes null authentication parameters. +% * It has no interface to xdr routines for RPCBPROC_CALLIT. +% * +% * RPCBPROC_GETTIME() returns (int). +% * Gets the remote machines time +% * +% * RPCBPROC_UADDR2TADDR(strint) RETURNS (struct netbuf) +% * Returns the netbuf address from universal address. +% * +% * RPCBPROC_TADDR2UADDR(struct netbuf) RETURNS (string) +% * Returns the universal address from netbuf address. +% * +% * END OF RPCBIND VERSION 3 PROCEDURES +% */ +%/* +% * Except for RPCBPROC_CALLIT, the procedures above are carried over to +% * rpcbind version 4. Those below are added or modified for version 4. +% * NOTE: RPCBPROC_BCAST HAS THE SAME FUNCTIONALITY AND PROCEDURE NUMBER +% * AS RPCBPROC_CALLIT. +% * +% * RPCBPROC_BCAST(rpcb_rmtcallargs) +% * RETURNS (rpcb_rmtcallres); +% * Calls the procedure on the remote machine. If it is not registered, +% * this procedure IS quiet; i.e. it DOES NOT return error information!!! +% * This routine should be used for broadcasting and nothing else. +% * +% * RPCBPROC_GETVERSADDR(rpcb) returns (string). +% * 0 is failure. Otherwise returns the universal address where the +% * triple [prog, vers, netid] is registered. Ignore address and owner. +% * Same as RPCBPROC_GETADDR except that if the given version number +% * is not available, the address is not returned. +% * +% * RPCBPROC_INDIRECT(rpcb_rmtcallargs) +% * RETURNS (rpcb_rmtcallres); +% * Calls the procedure on the remote machine. If it is not registered, +% * this procedure is NOT quiet; i.e. it DOES return error information!!! +% * as any normal application would expect. +% * +% * RPCBPROC_GETADDRLIST(rpcb) returns (rpcb_entry_list_ptr). +% * Same as RPCBPROC_GETADDR except that it returns a list of all the +% * addresses registered for the combination (prog, vers) (for all +% * transports). +% * +% * RPCBPROC_GETSTAT(void) returns (rpcb_stat_byvers) +% * Returns the statistics about the kind of requests received by rpcbind. +% */ +% +%/* +% * A mapping of (program, version, network ID) to address +% */ +struct rpcb { + rpcprog_t r_prog; /* program number */ + rpcvers_t r_vers; /* version number */ + string r_netid<>; /* network id */ + string r_addr<>; /* universal address */ + string r_owner<>; /* owner of this service */ +}; +#ifdef RPC_HDR +% +%typedef rpcb RPCB; +% +#endif +% +%/* +% * A list of mappings +% * +% * Below are two definitions for the rpcblist structure. This is done because +% * xdr_rpcblist() is specified to take a struct rpcblist **, rather than a +% * struct rpcblist * that rpcgen would produce. One version of the rpcblist +% * structure (actually called rp__list) is used with rpcgen, and the other is +% * defined only in the header file for compatibility with the specified +% * interface. +% */ + +struct rp__list { + rpcb rpcb_map; + struct rp__list *rpcb_next; +}; + +typedef rp__list *rpcblist_ptr; /* results of RPCBPROC_DUMP */ + +#ifdef RPC_HDR +% +%typedef struct rp__list rpcblist; +%typedef struct rp__list RPCBLIST; +% +%#ifndef __cplusplus +%struct rpcblist { +% RPCB rpcb_map; +% struct rpcblist *rpcb_next; +%}; +%#endif +% +%#ifdef __cplusplus +%extern "C" { +%#endif +%extern bool_t xdr_rpcblist(XDR *, rpcblist**); +%#ifdef __cplusplus +%} +%#endif +% +#endif + +% +%/* +% * Arguments of remote calls +% */ +struct rpcb_rmtcallargs { + rpcprog_t prog; /* program number */ + rpcvers_t vers; /* version number */ + rpcproc_t proc; /* procedure number */ + opaque args<>; /* argument */ +}; +#ifdef RPC_HDR +% +%/* +% * Client-side only representation of rpcb_rmtcallargs structure. +% * +% * The routine that XDRs the rpcb_rmtcallargs structure must deal with the +% * opaque arguments in the "args" structure. xdr_rpcb_rmtcallargs() needs to +% * be passed the XDR routine that knows the args' structure. This routine +% * doesn't need to go over-the-wire (and it wouldn't make sense anyway) since +% * the application being called already knows the args structure. So we use a +% * different "XDR" structure on the client side, r_rpcb_rmtcallargs, which +% * includes the args' XDR routine. +% */ +%struct r_rpcb_rmtcallargs { +% rpcprog_t prog; +% rpcvers_t vers; +% rpcproc_t proc; +% struct { +% u_int args_len; +% char *args_val; +% } args; +% xdrproc_t xdr_args; /* encodes args */ +%}; +% +#endif /* def RPC_HDR */ +% +%/* +% * Results of the remote call +% */ +struct rpcb_rmtcallres { + string addr<>; /* remote universal address */ + opaque results<>; /* result */ +}; +#ifdef RPC_HDR +% +%/* +% * Client-side only representation of rpcb_rmtcallres structure. +% */ +%struct r_rpcb_rmtcallres { +% char *addr; +% struct { +% u_int32_t results_len; +% char *results_val; +% } results; +% xdrproc_t xdr_res; /* decodes results */ +%}; +#endif /* RPC_HDR */ +% +%/* +% * rpcb_entry contains a merged address of a service on a particular +% * transport, plus associated netconfig information. A list of rpcb_entrys +% * is returned by RPCBPROC_GETADDRLIST. See netconfig.h for values used +% * in r_nc_* fields. +% */ +struct rpcb_entry { + string r_maddr<>; /* merged address of service */ + string r_nc_netid<>; /* netid field */ + unsigned int r_nc_semantics; /* semantics of transport */ + string r_nc_protofmly<>; /* protocol family */ + string r_nc_proto<>; /* protocol name */ +}; +% +%/* +% * A list of addresses supported by a service. +% */ +struct rpcb_entry_list { + rpcb_entry rpcb_entry_map; + struct rpcb_entry_list *rpcb_entry_next; +}; + +typedef rpcb_entry_list *rpcb_entry_list_ptr; + +% +%/* +% * rpcbind statistics +% */ +% +const rpcb_highproc_2 = RPCBPROC_CALLIT; +const rpcb_highproc_3 = RPCBPROC_TADDR2UADDR; +const rpcb_highproc_4 = RPCBPROC_GETSTAT; + +const RPCBSTAT_HIGHPROC = 13; /* # of procs in rpcbind V4 plus one */ +const RPCBVERS_STAT = 3; /* provide only for rpcbind V2, V3 and V4 */ +const RPCBVERS_4_STAT = 2; +const RPCBVERS_3_STAT = 1; +const RPCBVERS_2_STAT = 0; +% +%/* Link list of all the stats about getport and getaddr */ +struct rpcbs_addrlist { + rpcprog_t prog; + rpcvers_t vers; + int success; + int failure; + string netid<>; + struct rpcbs_addrlist *next; +}; +% +%/* Link list of all the stats about rmtcall */ +struct rpcbs_rmtcalllist { + rpcprog_t prog; + rpcvers_t vers; + rpcproc_t proc; + int success; + int failure; + int indirect; /* whether callit or indirect */ + string netid<>; + struct rpcbs_rmtcalllist *next; +}; + +typedef int rpcbs_proc[RPCBSTAT_HIGHPROC]; +typedef rpcbs_addrlist *rpcbs_addrlist_ptr; +typedef rpcbs_rmtcalllist *rpcbs_rmtcalllist_ptr; + +struct rpcb_stat { + rpcbs_proc info; + int setinfo; + int unsetinfo; + rpcbs_addrlist_ptr addrinfo; + rpcbs_rmtcalllist_ptr rmtinfo; +}; +% +%/* +% * One rpcb_stat structure is returned for each version of rpcbind +% * being monitored. +% */ + +typedef rpcb_stat rpcb_stat_byvers[RPCBVERS_STAT]; + +#ifdef RPC_HDR +% +%/* +% * We don't define netbuf in RPCL, since it would contain structure member +% * names that would conflict with the definition of struct netbuf in +% * <tiuser.h>. Instead we merely declare the XDR routine xdr_netbuf() here, +% * and implement it ourselves in rpc/rpcb_prot.c. +% */ +%#ifdef __cplusplus +%extern "C" bool_t xdr_netbuf(XDR *, struct netbuf *); +% +%#else /* __STDC__ */ +%extern bool_t xdr_netbuf(XDR *, struct netbuf *); +% +%#endif +#endif /* def RPC_HDR */ + +/* + * rpcbind procedures + */ +program RPCBPROG { + version RPCBVERS { + bool + RPCBPROC_SET(rpcb) = 1; + + bool + RPCBPROC_UNSET(rpcb) = 2; + + string + RPCBPROC_GETADDR(rpcb) = 3; + + rpcblist_ptr + RPCBPROC_DUMP(void) = 4; + + rpcb_rmtcallres + RPCBPROC_CALLIT(rpcb_rmtcallargs) = 5; + + unsigned int + RPCBPROC_GETTIME(void) = 6; + + struct netbuf + RPCBPROC_UADDR2TADDR(string) = 7; + + string + RPCBPROC_TADDR2UADDR(struct netbuf) = 8; + } = 3; + + version RPCBVERS4 { + bool + RPCBPROC_SET(rpcb) = 1; + + bool + RPCBPROC_UNSET(rpcb) = 2; + + string + RPCBPROC_GETADDR(rpcb) = 3; + + rpcblist_ptr + RPCBPROC_DUMP(void) = 4; + + /* + * NOTE: RPCBPROC_BCAST has the same functionality as CALLIT; + * the new name is intended to indicate that this + * procedure should be used for broadcast RPC, and + * RPCBPROC_INDIRECT should be used for indirect calls. + */ + rpcb_rmtcallres + RPCBPROC_BCAST(rpcb_rmtcallargs) = RPCBPROC_CALLIT; + + unsigned int + RPCBPROC_GETTIME(void) = 6; + + struct netbuf + RPCBPROC_UADDR2TADDR(string) = 7; + + string + RPCBPROC_TADDR2UADDR(struct netbuf) = 8; + + string + RPCBPROC_GETVERSADDR(rpcb) = 9; + + rpcb_rmtcallres + RPCBPROC_INDIRECT(rpcb_rmtcallargs) = 10; + + rpcb_entry_list_ptr + RPCBPROC_GETADDRLIST(rpcb) = 11; + + rpcb_stat_byvers + RPCBPROC_GETSTAT(void) = 12; + } = 4; +} = 100000; +#ifdef RPC_HDR +% +%#define RPCBVERS_3 RPCBVERS +%#define RPCBVERS_4 RPCBVERS4 +% +%#define _PATH_RPCBINDSOCK "/var/run/rpcbind.sock" +% +%#else /* ndef _KERNEL */ +%#ifdef __cplusplus +%extern "C" { +%#endif +% +%/* +% * A mapping of (program, version, network ID) to address +% */ +%struct rpcb { +% rpcprog_t r_prog; /* program number */ +% rpcvers_t r_vers; /* version number */ +% char *r_netid; /* network id */ +% char *r_addr; /* universal address */ +% char *r_owner; /* owner of the mapping */ +%}; +%typedef struct rpcb RPCB; +% +%/* +% * A list of mappings +% */ +%struct rpcblist { +% RPCB rpcb_map; +% struct rpcblist *rpcb_next; +%}; +%typedef struct rpcblist RPCBLIST; +%typedef struct rpcblist *rpcblist_ptr; +% +%/* +% * Remote calls arguments +% */ +%struct rpcb_rmtcallargs { +% rpcprog_t prog; /* program number */ +% rpcvers_t vers; /* version number */ +% rpcproc_t proc; /* procedure number */ +% u_int32_t arglen; /* arg len */ +% caddr_t args_ptr; /* argument */ +% xdrproc_t xdr_args; /* XDR routine for argument */ +%}; +%typedef struct rpcb_rmtcallargs rpcb_rmtcallargs; +% +%/* +% * Remote calls results +% */ +%struct rpcb_rmtcallres { +% char *addr_ptr; /* remote universal address */ +% u_int32_t resultslen; /* results length */ +% caddr_t results_ptr; /* results */ +% xdrproc_t xdr_results; /* XDR routine for result */ +%}; +%typedef struct rpcb_rmtcallres rpcb_rmtcallres; +% +%struct rpcb_entry { +% char *r_maddr; +% char *r_nc_netid; +% unsigned int r_nc_semantics; +% char *r_nc_protofmly; +% char *r_nc_proto; +%}; +%typedef struct rpcb_entry rpcb_entry; +% +%/* +% * A list of addresses supported by a service. +% */ +% +%struct rpcb_entry_list { +% rpcb_entry rpcb_entry_map; +% struct rpcb_entry_list *rpcb_entry_next; +%}; +%typedef struct rpcb_entry_list rpcb_entry_list; +% +%typedef rpcb_entry_list *rpcb_entry_list_ptr; +% +%/* +% * rpcbind statistics +% */ +% +%#define rpcb_highproc_2 RPCBPROC_CALLIT +%#define rpcb_highproc_3 RPCBPROC_TADDR2UADDR +%#define rpcb_highproc_4 RPCBPROC_GETSTAT +%#define RPCBSTAT_HIGHPROC 13 +%#define RPCBVERS_STAT 3 +%#define RPCBVERS_4_STAT 2 +%#define RPCBVERS_3_STAT 1 +%#define RPCBVERS_2_STAT 0 +% +%/* Link list of all the stats about getport and getaddr */ +% +%struct rpcbs_addrlist { +% rpcprog_t prog; +% rpcvers_t vers; +% int success; +% int failure; +% char *netid; +% struct rpcbs_addrlist *next; +%}; +%typedef struct rpcbs_addrlist rpcbs_addrlist; +% +%/* Link list of all the stats about rmtcall */ +% +%struct rpcbs_rmtcalllist { +% rpcprog_t prog; +% rpcvers_t vers; +% rpcproc_t proc; +% int success; +% int failure; +% int indirect; +% char *netid; +% struct rpcbs_rmtcalllist *next; +%}; +%typedef struct rpcbs_rmtcalllist rpcbs_rmtcalllist; +% +%typedef int rpcbs_proc[RPCBSTAT_HIGHPROC]; +% +%typedef rpcbs_addrlist *rpcbs_addrlist_ptr; +% +%typedef rpcbs_rmtcalllist *rpcbs_rmtcalllist_ptr; +% +%struct rpcb_stat { +% rpcbs_proc info; +% int setinfo; +% int unsetinfo; +% rpcbs_addrlist_ptr addrinfo; +% rpcbs_rmtcalllist_ptr rmtinfo; +%}; +%typedef struct rpcb_stat rpcb_stat; +% +%/* +% * One rpcb_stat structure is returned for each version of rpcbind +% * being monitored. +% */ +% +%typedef rpcb_stat rpcb_stat_byvers[RPCBVERS_STAT]; +% +%#ifdef __cplusplus +%} +%#endif +% +%#endif /* ndef _KERNEL */ +#endif /* RPC_HDR */ diff --git a/freebsd-userspace/include/rpc/rpcent.h b/freebsd-userspace/include/rpc/rpcent.h new file mode 100644 index 00000000..876b488b --- /dev/null +++ b/freebsd-userspace/include/rpc/rpcent.h @@ -0,0 +1,67 @@ +/* $NetBSD: rpcent.h,v 1.1 2000/06/02 22:57:56 fvdl Exp $ */ +/* $FreeBSD$ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* + * rpcent.h, + * For converting rpc program numbers to names etc. + * + */ + +#ifndef _RPC_RPCENT_H +#define _RPC_RPCENT_H + +/* #pragma ident "@(#)rpcent.h 1.13 94/04/25 SMI" */ +/* @(#)rpcent.h 1.1 88/12/06 SMI */ + + +struct rpcent { + char *r_name; /* name of server for this rpc program */ + char **r_aliases; /* alias list */ + int r_number; /* rpc program number */ +}; + +__BEGIN_DECLS +/* + * These interfaces are currently implemented through nsswitch and are + * MT-safe. + */ +extern struct rpcent *getrpcbyname(char *); +extern struct rpcent *getrpcbynumber(int); +extern struct rpcent *getrpcent(void); +extern void setrpcent(int); +extern void endrpcent(void); +__END_DECLS + +#endif /* !_RPC_CENT_H */ diff --git a/freebsd-userspace/include/rpc/svc.h b/freebsd-userspace/include/rpc/svc.h new file mode 100644 index 00000000..8466ef8b --- /dev/null +++ b/freebsd-userspace/include/rpc/svc.h @@ -0,0 +1,474 @@ +/* $NetBSD: svc.h,v 1.17 2000/06/02 22:57:56 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)svc.h 1.35 88/12/17 SMI + * from: @(#)svc.h 1.27 94/04/25 SMI + * $FreeBSD$ + */ + +/* + * svc.h, Server-side remote procedure call interface. + * + * Copyright (C) 1986-1993 by Sun Microsystems, Inc. + */ + +#ifndef _RPC_SVC_H +#define _RPC_SVC_H +#include <sys/cdefs.h> + +/* + * This interface must manage two items concerning remote procedure calling: + * + * 1) An arbitrary number of transport connections upon which rpc requests + * are received. The two most notable transports are TCP and UDP; they are + * created and registered by routines in svc_tcp.c and svc_udp.c, respectively; + * they in turn call xprt_register and xprt_unregister. + * + * 2) An arbitrary number of locally registered services. Services are + * described by the following four data: program number, version number, + * "service dispatch" function, a transport handle, and a boolean that + * indicates whether or not the exported program should be registered with a + * local binder service; if true the program's number and version and the + * port number from the transport handle are registered with the binder. + * These data are registered with the rpc svc system via svc_register. + * + * A service's dispatch function is called whenever an rpc request comes in + * on a transport. The request's program and version numbers must match + * those of the registered service. The dispatch function is passed two + * parameters, struct svc_req * and SVCXPRT *, defined below. + */ + +/* + * Service control requests + */ +#define SVCGET_VERSQUIET 1 +#define SVCSET_VERSQUIET 2 +#define SVCGET_CONNMAXREC 3 +#define SVCSET_CONNMAXREC 4 + +/* + * Operations for rpc_control(). + */ +#define RPC_SVC_CONNMAXREC_SET 0 /* set max rec size, enable nonblock */ +#define RPC_SVC_CONNMAXREC_GET 1 + +enum xprt_stat { + XPRT_DIED, + XPRT_MOREREQS, + XPRT_IDLE +}; + +/* + * Server side transport handle + */ +typedef struct __rpc_svcxprt { + int xp_fd; + u_short xp_port; /* associated port number */ + const struct xp_ops { + /* receive incoming requests */ + bool_t (*xp_recv)(struct __rpc_svcxprt *, struct rpc_msg *); + /* get transport status */ + enum xprt_stat (*xp_stat)(struct __rpc_svcxprt *); + /* get arguments */ + bool_t (*xp_getargs)(struct __rpc_svcxprt *, xdrproc_t, + void *); + /* send reply */ + bool_t (*xp_reply)(struct __rpc_svcxprt *, struct rpc_msg *); + /* free mem allocated for args */ + bool_t (*xp_freeargs)(struct __rpc_svcxprt *, xdrproc_t, + void *); + /* destroy this struct */ + void (*xp_destroy)(struct __rpc_svcxprt *); + } *xp_ops; + int xp_addrlen; /* length of remote address */ + struct sockaddr_in xp_raddr; /* remote addr. (backward ABI compat) */ + /* XXX - fvdl stick this here for ABI backward compat reasons */ + const struct xp_ops2 { + /* catch-all function */ + bool_t (*xp_control)(struct __rpc_svcxprt *, const u_int, + void *); + } *xp_ops2; + char *xp_tp; /* transport provider device name */ + char *xp_netid; /* network token */ + struct netbuf xp_ltaddr; /* local transport address */ + struct netbuf xp_rtaddr; /* remote transport address */ + struct opaque_auth xp_verf; /* raw response verifier */ + void *xp_p1; /* private: for use by svc ops */ + void *xp_p2; /* private: for use by svc ops */ + void *xp_p3; /* private: for use by svc lib */ + int xp_type; /* transport type */ +} SVCXPRT; + +/* + * Interface to server-side authentication flavors. + */ +typedef struct __rpc_svcauth { + struct svc_auth_ops { + int (*svc_ah_wrap)(struct __rpc_svcauth *, XDR *, + xdrproc_t, caddr_t); + int (*svc_ah_unwrap)(struct __rpc_svcauth *, XDR *, + xdrproc_t, caddr_t); + } *svc_ah_ops; + void *svc_ah_private; +} SVCAUTH; + +/* + * Server transport extensions (accessed via xp_p3). + */ +typedef struct __rpc_svcxprt_ext { + int xp_flags; /* versquiet */ + SVCAUTH xp_auth; /* interface to auth methods */ +} SVCXPRT_EXT; + +/* + * Service request + */ +struct svc_req { + u_int32_t rq_prog; /* service program number */ + u_int32_t rq_vers; /* service protocol version */ + u_int32_t rq_proc; /* the desired procedure */ + struct opaque_auth rq_cred; /* raw creds from the wire */ + void *rq_clntcred; /* read only cooked cred */ + SVCXPRT *rq_xprt; /* associated transport */ +}; + +/* + * Approved way of getting address of caller + */ +#define svc_getrpccaller(x) (&(x)->xp_rtaddr) + +/* + * Operations defined on an SVCXPRT handle + * + * SVCXPRT *xprt; + * struct rpc_msg *msg; + * xdrproc_t xargs; + * void * argsp; + */ +#define SVC_RECV(xprt, msg) \ + (*(xprt)->xp_ops->xp_recv)((xprt), (msg)) +#define svc_recv(xprt, msg) \ + (*(xprt)->xp_ops->xp_recv)((xprt), (msg)) + +#define SVC_STAT(xprt) \ + (*(xprt)->xp_ops->xp_stat)(xprt) +#define svc_stat(xprt) \ + (*(xprt)->xp_ops->xp_stat)(xprt) + +#define SVC_GETARGS(xprt, xargs, argsp) \ + (*(xprt)->xp_ops->xp_getargs)((xprt), (xargs), (argsp)) +#define svc_getargs(xprt, xargs, argsp) \ + (*(xprt)->xp_ops->xp_getargs)((xprt), (xargs), (argsp)) + +#define SVC_REPLY(xprt, msg) \ + (*(xprt)->xp_ops->xp_reply) ((xprt), (msg)) +#define svc_reply(xprt, msg) \ + (*(xprt)->xp_ops->xp_reply) ((xprt), (msg)) + +#define SVC_FREEARGS(xprt, xargs, argsp) \ + (*(xprt)->xp_ops->xp_freeargs)((xprt), (xargs), (argsp)) +#define svc_freeargs(xprt, xargs, argsp) \ + (*(xprt)->xp_ops->xp_freeargs)((xprt), (xargs), (argsp)) + +#define SVC_DESTROY(xprt) \ + (*(xprt)->xp_ops->xp_destroy)(xprt) +#define svc_destroy(xprt) \ + (*(xprt)->xp_ops->xp_destroy)(xprt) + +#define SVC_CONTROL(xprt, rq, in) \ + (*(xprt)->xp_ops2->xp_control)((xprt), (rq), (in)) + +#define SVC_EXT(xprt) \ + ((SVCXPRT_EXT *) xprt->xp_p3) + +#define SVC_AUTH(xprt) \ + (SVC_EXT(xprt)->xp_auth) + +/* + * Operations defined on an SVCAUTH handle + */ +#define SVCAUTH_WRAP(auth, xdrs, xfunc, xwhere) \ + ((auth)->svc_ah_ops->svc_ah_wrap(auth, xdrs, xfunc, xwhere)) +#define SVCAUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \ + ((auth)->svc_ah_ops->svc_ah_unwrap(auth, xdrs, xfunc, xwhere)) + +/* + * Service registration + * + * svc_reg(xprt, prog, vers, dispatch, nconf) + * const SVCXPRT *xprt; + * const rpcprog_t prog; + * const rpcvers_t vers; + * const void (*dispatch)(); + * const struct netconfig *nconf; + */ + +__BEGIN_DECLS +extern bool_t svc_reg(SVCXPRT *, const rpcprog_t, const rpcvers_t, + void (*)(struct svc_req *, SVCXPRT *), + const struct netconfig *); +__END_DECLS + +/* + * Service un-registration + * + * svc_unreg(prog, vers) + * const rpcprog_t prog; + * const rpcvers_t vers; + */ + +__BEGIN_DECLS +extern void svc_unreg(const rpcprog_t, const rpcvers_t); +__END_DECLS + +/* + * Transport registration. + * + * xprt_register(xprt) + * SVCXPRT *xprt; + */ +__BEGIN_DECLS +extern void xprt_register(SVCXPRT *); +__END_DECLS + +/* + * Transport un-register + * + * xprt_unregister(xprt) + * SVCXPRT *xprt; + */ +__BEGIN_DECLS +extern void xprt_unregister(SVCXPRT *); +__END_DECLS + + +/* + * When the service routine is called, it must first check to see if it + * knows about the procedure; if not, it should call svcerr_noproc + * and return. If so, it should deserialize its arguments via + * SVC_GETARGS (defined above). If the deserialization does not work, + * svcerr_decode should be called followed by a return. Successful + * decoding of the arguments should be followed the execution of the + * procedure's code and a call to svc_sendreply. + * + * Also, if the service refuses to execute the procedure due to too- + * weak authentication parameters, svcerr_weakauth should be called. + * Note: do not confuse access-control failure with weak authentication! + * + * NB: In pure implementations of rpc, the caller always waits for a reply + * msg. This message is sent when svc_sendreply is called. + * Therefore pure service implementations should always call + * svc_sendreply even if the function logically returns void; use + * xdr.h - xdr_void for the xdr routine. HOWEVER, tcp based rpc allows + * for the abuse of pure rpc via batched calling or pipelining. In the + * case of a batched call, svc_sendreply should NOT be called since + * this would send a return message, which is what batching tries to avoid. + * It is the service/protocol writer's responsibility to know which calls are + * batched and which are not. Warning: responding to batch calls may + * deadlock the caller and server processes! + */ + +__BEGIN_DECLS +extern bool_t svc_sendreply(SVCXPRT *, xdrproc_t, void *); +extern void svcerr_decode(SVCXPRT *); +extern void svcerr_weakauth(SVCXPRT *); +extern void svcerr_noproc(SVCXPRT *); +extern void svcerr_progvers(SVCXPRT *, rpcvers_t, rpcvers_t); +extern void svcerr_auth(SVCXPRT *, enum auth_stat); +extern void svcerr_noprog(SVCXPRT *); +extern void svcerr_systemerr(SVCXPRT *); +extern int rpc_reg(rpcprog_t, rpcvers_t, rpcproc_t, + char *(*)(char *), xdrproc_t, xdrproc_t, + char *); +__END_DECLS + +/* + * Lowest level dispatching -OR- who owns this process anyway. + * Somebody has to wait for incoming requests and then call the correct + * service routine. The routine svc_run does infinite waiting; i.e., + * svc_run never returns. + * Since another (co-existant) package may wish to selectively wait for + * incoming calls or other events outside of the rpc architecture, the + * routine svc_getreq is provided. It must be passed readfds, the + * "in-place" results of a select system call (see select, section 2). + */ + +/* + * Global keeper of rpc service descriptors in use + * dynamic; must be inspected before each call to select + */ +extern int svc_maxfd; +#ifdef FD_SETSIZE +extern fd_set svc_fdset; +#define svc_fds svc_fdset.fds_bits[0] /* compatibility */ +#else +extern int svc_fds; +#endif /* def FD_SETSIZE */ + +/* + * A set of null auth methods used by any authentication protocols + * that don't need to inspect or modify the message body. + */ +extern SVCAUTH _svc_auth_null; + +/* + * a small program implemented by the svc_rpc implementation itself; + * also see clnt.h for protocol numbers. + */ +__BEGIN_DECLS +extern void rpctest_service(void); +__END_DECLS + +__BEGIN_DECLS +extern SVCXPRT *svc_xprt_alloc(void); +extern void svc_xprt_free(SVCXPRT *); +extern void svc_getreq(int); +extern void svc_getreqset(fd_set *); +extern void svc_getreq_common(int); +struct pollfd; +extern void svc_getreq_poll(struct pollfd *, int); + +extern void svc_run(void); +extern void svc_exit(void); +__END_DECLS + +/* + * Socket to use on svcxxx_create call to get default socket + */ +#define RPC_ANYSOCK -1 +#define RPC_ANYFD RPC_ANYSOCK + +/* + * These are the existing service side transport implementations + */ + +__BEGIN_DECLS +/* + * Transport independent svc_create routine. + */ +extern int svc_create(void (*)(struct svc_req *, SVCXPRT *), + const rpcprog_t, const rpcvers_t, const char *); +/* + * void (*dispatch)(); -- dispatch routine + * const rpcprog_t prognum; -- program number + * const rpcvers_t versnum; -- version number + * const char *nettype; -- network type + */ + + +/* + * Generic server creation routine. It takes a netconfig structure + * instead of a nettype. + */ + +extern SVCXPRT *svc_tp_create(void (*)(struct svc_req *, SVCXPRT *), + const rpcprog_t, const rpcvers_t, + const struct netconfig *); + /* + * void (*dispatch)(); -- dispatch routine + * const rpcprog_t prognum; -- program number + * const rpcvers_t versnum; -- version number + * const struct netconfig *nconf; -- netconfig structure + */ + + +/* + * Generic TLI create routine + */ +extern SVCXPRT *svc_tli_create(const int, const struct netconfig *, + const struct t_bind *, const u_int, + const u_int); +/* + * const int fd; -- connection end point + * const struct netconfig *nconf; -- netconfig structure for network + * const struct t_bind *bindaddr; -- local bind address + * const u_int sendsz; -- max sendsize + * const u_int recvsz; -- max recvsize + */ + +/* + * Connectionless and connectionful create routines + */ + +extern SVCXPRT *svc_vc_create(const int, const u_int, const u_int); +/* + * const int fd; -- open connection end point + * const u_int sendsize; -- max send size + * const u_int recvsize; -- max recv size + */ + +/* + * Added for compatibility to old rpc 4.0. Obsoleted by svc_vc_create(). + */ +extern SVCXPRT *svcunix_create(int, u_int, u_int, char *); + +extern SVCXPRT *svc_dg_create(const int, const u_int, const u_int); + /* + * const int fd; -- open connection + * const u_int sendsize; -- max send size + * const u_int recvsize; -- max recv size + */ + + +/* + * the routine takes any *open* connection + * descriptor as its first input and is used for open connections. + */ +extern SVCXPRT *svc_fd_create(const int, const u_int, const u_int); +/* + * const int fd; -- open connection end point + * const u_int sendsize; -- max send size + * const u_int recvsize; -- max recv size + */ + +/* + * Added for compatibility to old rpc 4.0. Obsoleted by svc_fd_create(). + */ +extern SVCXPRT *svcunixfd_create(int, u_int, u_int); + +/* + * Memory based rpc (for speed check and testing) + */ +extern SVCXPRT *svc_raw_create(void); + +/* + * svc_dg_enable_cache() enables the cache on dg transports. + */ +int svc_dg_enablecache(SVCXPRT *, const u_int); + +int __rpc_get_local_uid(SVCXPRT *_transp, uid_t *_uid); + +__END_DECLS + + +/* for backward compatibility */ +#include <rpc/svc_soc.h> + +#endif /* !_RPC_SVC_H */ diff --git a/freebsd-userspace/include/rpc/svc_auth.h b/freebsd-userspace/include/rpc/svc_auth.h new file mode 100644 index 00000000..41fc82b0 --- /dev/null +++ b/freebsd-userspace/include/rpc/svc_auth.h @@ -0,0 +1,57 @@ +/* $NetBSD: svc_auth.h,v 1.8 2000/06/02 22:57:57 fvdl Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)svc_auth.h 1.6 86/07/16 SMI + * @(#)svc_auth.h 2.1 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * svc_auth.h, Service side of rpc authentication. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#ifndef _RPC_SVC_AUTH_H +#define _RPC_SVC_AUTH_H + +/* + * Server side authenticator + */ +__BEGIN_DECLS +extern struct svc_auth_ops svc_auth_null_ops; + +extern enum auth_stat _authenticate(struct svc_req *, struct rpc_msg *); +extern int svc_auth_reg(int, enum auth_stat (*)(struct svc_req *, + struct rpc_msg *)); + +__END_DECLS + +#endif /* !_RPC_SVC_AUTH_H */ diff --git a/freebsd-userspace/include/rpc/svc_soc.h b/freebsd-userspace/include/rpc/svc_soc.h new file mode 100644 index 00000000..6c528dbc --- /dev/null +++ b/freebsd-userspace/include/rpc/svc_soc.h @@ -0,0 +1,116 @@ +/* $NetBSD: svc_soc.h,v 1.1 2000/06/02 22:57:57 fvdl Exp $ */ +/* $FreeBSD$ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + */ +/* + * Copyright (c) 1986 - 1991 by Sun Microsystems, Inc. + */ + +/* + * svc.h, Server-side remote procedure call interface. + */ + +#ifndef _RPC_SVC_SOC_H +#define _RPC_SVC_SOC_H +#include <sys/cdefs.h> + +/* #pragma ident "@(#)svc_soc.h 1.11 94/04/25 SMI" */ +/* svc_soc.h 1.8 89/05/01 SMI */ + +/* + * All the following declarations are only for backward compatibility + * with TS-RPC + */ + +/* + * Approved way of getting address of caller + */ +#define svc_getcaller(x) (&(x)->xp_raddr) + +/* + * Service registration + * + * svc_register(xprt, prog, vers, dispatch, protocol) + * SVCXPRT *xprt; + * u_long prog; + * u_long vers; + * void (*dispatch)(); + * int protocol; like TCP or UDP, zero means do not register + */ +__BEGIN_DECLS +extern bool_t svc_register(SVCXPRT *, u_long, u_long, + void (*)(struct svc_req *, SVCXPRT *), int); +__END_DECLS + +/* + * Service un-registration + * + * svc_unregister(prog, vers) + * u_long prog; + * u_long vers; + */ +__BEGIN_DECLS +extern void svc_unregister(u_long, u_long); +__END_DECLS + + +/* + * Memory based rpc for testing and timing. + */ +__BEGIN_DECLS +extern SVCXPRT *svcraw_create(void); +__END_DECLS + + +/* + * Udp based rpc. + */ +__BEGIN_DECLS +extern SVCXPRT *svcudp_create(int); +extern SVCXPRT *svcudp_bufcreate(int, u_int, u_int); +extern int svcudp_enablecache(SVCXPRT *, u_long); +__END_DECLS + + +/* + * Tcp based rpc. + */ +__BEGIN_DECLS +extern SVCXPRT *svctcp_create(int, u_int, u_int); +__END_DECLS + +/* + * Fd based rpc. + */ +__BEGIN_DECLS +extern SVCXPRT *svcfd_create(int, u_int, u_int); +__END_DECLS + +#endif /* !_RPC_SVC_SOC_H */ diff --git a/freebsd-userspace/include/rpc/xdr.h b/freebsd-userspace/include/rpc/xdr.h new file mode 100644 index 00000000..a02291bc --- /dev/null +++ b/freebsd-userspace/include/rpc/xdr.h @@ -0,0 +1,368 @@ +/* $NetBSD: xdr.h,v 1.19 2000/07/17 05:00:45 matt Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)xdr.h 1.19 87/04/22 SMI + * from: @(#)xdr.h 2.2 88/07/29 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * xdr.h, External Data Representation Serialization Routines. + * + * Copyright (C) 1984, Sun Microsystems, Inc. + */ + +#ifndef _RPC_XDR_H +#define _RPC_XDR_H +#include <sys/cdefs.h> + +/* + * XDR provides a conventional way for converting between C data + * types and an external bit-string representation. Library supplied + * routines provide for the conversion on built-in C data types. These + * routines and utility routines defined here are used to help implement + * a type encode/decode routine for each user-defined type. + * + * Each data type provides a single procedure which takes two arguments: + * + * bool_t + * xdrproc(xdrs, argresp) + * XDR *xdrs; + * <type> *argresp; + * + * xdrs is an instance of a XDR handle, to which or from which the data + * type is to be converted. argresp is a pointer to the structure to be + * converted. The XDR handle contains an operation field which indicates + * which of the operations (ENCODE, DECODE * or FREE) is to be performed. + * + * XDR_DECODE may allocate space if the pointer argresp is null. This + * data can be freed with the XDR_FREE operation. + * + * We write only one procedure per data type to make it easy + * to keep the encode and decode procedures for a data type consistent. + * In many cases the same code performs all operations on a user defined type, + * because all the hard work is done in the component type routines. + * decode as a series of calls on the nested data types. + */ + +/* + * Xdr operations. XDR_ENCODE causes the type to be encoded into the + * stream. XDR_DECODE causes the type to be extracted from the stream. + * XDR_FREE can be used to release the space allocated by an XDR_DECODE + * request. + */ +enum xdr_op { + XDR_ENCODE=0, + XDR_DECODE=1, + XDR_FREE=2 +}; + +/* + * This is the number of bytes per unit of external data. + */ +#define BYTES_PER_XDR_UNIT (4) +#define RNDUP(x) ((((x) + BYTES_PER_XDR_UNIT - 1) / BYTES_PER_XDR_UNIT) \ + * BYTES_PER_XDR_UNIT) + +/* + * The XDR handle. + * Contains operation which is being applied to the stream, + * an operations vector for the particular implementation (e.g. see xdr_mem.c), + * and two private fields for the use of the particular implementation. + */ +typedef struct __rpc_xdr { + enum xdr_op x_op; /* operation; fast additional param */ + const struct xdr_ops { + /* get a long from underlying stream */ + bool_t (*x_getlong)(struct __rpc_xdr *, long *); + /* put a long to " */ + bool_t (*x_putlong)(struct __rpc_xdr *, const long *); + /* get some bytes from " */ + bool_t (*x_getbytes)(struct __rpc_xdr *, char *, u_int); + /* put some bytes to " */ + bool_t (*x_putbytes)(struct __rpc_xdr *, const char *, u_int); + /* returns bytes off from beginning */ + u_int (*x_getpostn)(struct __rpc_xdr *); + /* lets you reposition the stream */ + bool_t (*x_setpostn)(struct __rpc_xdr *, u_int); + /* buf quick ptr to buffered data */ + int32_t *(*x_inline)(struct __rpc_xdr *, u_int); + /* free privates of this xdr_stream */ + void (*x_destroy)(struct __rpc_xdr *); + bool_t (*x_control)(struct __rpc_xdr *, int, void *); + } *x_ops; + char * x_public; /* users' data */ + void * x_private; /* pointer to private data */ + char * x_base; /* private used for position info */ + u_int x_handy; /* extra private word */ +} XDR; + +/* + * A xdrproc_t exists for each data type which is to be encoded or decoded. + * + * The second argument to the xdrproc_t is a pointer to an opaque pointer. + * The opaque pointer generally points to a structure of the data type + * to be decoded. If this pointer is 0, then the type routines should + * allocate dynamic storage of the appropriate size and return it. + */ +#ifdef _KERNEL +typedef bool_t (*xdrproc_t)(XDR *, void *, u_int); +#else +/* + * XXX can't actually prototype it, because some take three args!!! + */ +typedef bool_t (*xdrproc_t)(XDR *, ...); +#endif + +/* + * Operations defined on a XDR handle + * + * XDR *xdrs; + * long *longp; + * char * addr; + * u_int len; + * u_int pos; + */ +#define XDR_GETLONG(xdrs, longp) \ + (*(xdrs)->x_ops->x_getlong)(xdrs, longp) +#define xdr_getlong(xdrs, longp) \ + (*(xdrs)->x_ops->x_getlong)(xdrs, longp) + +#define XDR_PUTLONG(xdrs, longp) \ + (*(xdrs)->x_ops->x_putlong)(xdrs, longp) +#define xdr_putlong(xdrs, longp) \ + (*(xdrs)->x_ops->x_putlong)(xdrs, longp) + +static __inline int +xdr_getint32(XDR *xdrs, int32_t *ip) +{ + long l; + + if (!xdr_getlong(xdrs, &l)) + return (FALSE); + *ip = (int32_t)l; + return (TRUE); +} + +static __inline int +xdr_putint32(XDR *xdrs, int32_t *ip) +{ + long l; + + l = (long)*ip; + return xdr_putlong(xdrs, &l); +} + +#define XDR_GETINT32(xdrs, int32p) xdr_getint32(xdrs, int32p) +#define XDR_PUTINT32(xdrs, int32p) xdr_putint32(xdrs, int32p) + +#define XDR_GETBYTES(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) +#define xdr_getbytes(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_getbytes)(xdrs, addr, len) + +#define XDR_PUTBYTES(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) +#define xdr_putbytes(xdrs, addr, len) \ + (*(xdrs)->x_ops->x_putbytes)(xdrs, addr, len) + +#define XDR_GETPOS(xdrs) \ + (*(xdrs)->x_ops->x_getpostn)(xdrs) +#define xdr_getpos(xdrs) \ + (*(xdrs)->x_ops->x_getpostn)(xdrs) + +#define XDR_SETPOS(xdrs, pos) \ + (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) +#define xdr_setpos(xdrs, pos) \ + (*(xdrs)->x_ops->x_setpostn)(xdrs, pos) + +#define XDR_INLINE(xdrs, len) \ + (*(xdrs)->x_ops->x_inline)(xdrs, len) +#define xdr_inline(xdrs, len) \ + (*(xdrs)->x_ops->x_inline)(xdrs, len) + +#define XDR_DESTROY(xdrs) \ + if ((xdrs)->x_ops->x_destroy) \ + (*(xdrs)->x_ops->x_destroy)(xdrs) +#define xdr_destroy(xdrs) \ + if ((xdrs)->x_ops->x_destroy) \ + (*(xdrs)->x_ops->x_destroy)(xdrs) + +#define XDR_CONTROL(xdrs, req, op) \ + if ((xdrs)->x_ops->x_control) \ + (*(xdrs)->x_ops->x_control)(xdrs, req, op) +#define xdr_control(xdrs, req, op) XDR_CONTROL(xdrs, req, op) + +/* + * Solaris strips the '_t' from these types -- not sure why. + * But, let's be compatible. + */ +#define xdr_rpcvers(xdrs, versp) xdr_u_int32(xdrs, versp) +#define xdr_rpcprog(xdrs, progp) xdr_u_int32(xdrs, progp) +#define xdr_rpcproc(xdrs, procp) xdr_u_int32(xdrs, procp) +#define xdr_rpcprot(xdrs, protp) xdr_u_int32(xdrs, protp) +#define xdr_rpcport(xdrs, portp) xdr_u_int32(xdrs, portp) + +/* + * Support struct for discriminated unions. + * You create an array of xdrdiscrim structures, terminated with + * an entry with a null procedure pointer. The xdr_union routine gets + * the discriminant value and then searches the array of structures + * for a matching value. If a match is found the associated xdr routine + * is called to handle that part of the union. If there is + * no match, then a default routine may be called. + * If there is no match and no default routine it is an error. + */ +#define NULL_xdrproc_t ((xdrproc_t)0) +struct xdr_discrim { + int value; + xdrproc_t proc; +}; + +/* + * In-line routines for fast encode/decode of primitive data types. + * Caveat emptor: these use single memory cycles to get the + * data from the underlying buffer, and will fail to operate + * properly if the data is not aligned. The standard way to use these + * is to say: + * if ((buf = XDR_INLINE(xdrs, count)) == NULL) + * return (FALSE); + * <<< macro calls >>> + * where ``count'' is the number of bytes of data occupied + * by the primitive data types. + * + * N.B. and frozen for all time: each data type here uses 4 bytes + * of external representation. + */ +#define IXDR_GET_INT32(buf) ((int32_t)__ntohl((u_int32_t)*(buf)++)) +#define IXDR_PUT_INT32(buf, v) (*(buf)++ =(int32_t)__htonl((u_int32_t)v)) +#define IXDR_GET_U_INT32(buf) ((u_int32_t)IXDR_GET_INT32(buf)) +#define IXDR_PUT_U_INT32(buf, v) IXDR_PUT_INT32((buf), ((int32_t)(v))) + +#define IXDR_GET_LONG(buf) ((long)__ntohl((u_int32_t)*(buf)++)) +#define IXDR_PUT_LONG(buf, v) (*(buf)++ =(int32_t)__htonl((u_int32_t)v)) + +#define IXDR_GET_BOOL(buf) ((bool_t)IXDR_GET_LONG(buf)) +#define IXDR_GET_ENUM(buf, t) ((t)IXDR_GET_LONG(buf)) +#define IXDR_GET_U_LONG(buf) ((u_long)IXDR_GET_LONG(buf)) +#define IXDR_GET_SHORT(buf) ((short)IXDR_GET_LONG(buf)) +#define IXDR_GET_U_SHORT(buf) ((u_short)IXDR_GET_LONG(buf)) + +#define IXDR_PUT_BOOL(buf, v) IXDR_PUT_LONG((buf), (v)) +#define IXDR_PUT_ENUM(buf, v) IXDR_PUT_LONG((buf), (v)) +#define IXDR_PUT_U_LONG(buf, v) IXDR_PUT_LONG((buf), (v)) +#define IXDR_PUT_SHORT(buf, v) IXDR_PUT_LONG((buf), (v)) +#define IXDR_PUT_U_SHORT(buf, v) IXDR_PUT_LONG((buf), (v)) + +/* + * These are the "generic" xdr routines. + */ +__BEGIN_DECLS +extern bool_t xdr_void(void); +extern bool_t xdr_int(XDR *, int *); +extern bool_t xdr_u_int(XDR *, u_int *); +extern bool_t xdr_long(XDR *, long *); +extern bool_t xdr_u_long(XDR *, u_long *); +extern bool_t xdr_short(XDR *, short *); +extern bool_t xdr_u_short(XDR *, u_short *); +extern bool_t xdr_int16_t(XDR *, int16_t *); +extern bool_t xdr_u_int16_t(XDR *, u_int16_t *); +extern bool_t xdr_uint16_t(XDR *, u_int16_t *); +extern bool_t xdr_int32_t(XDR *, int32_t *); +extern bool_t xdr_u_int32_t(XDR *, u_int32_t *); +extern bool_t xdr_uint32_t(XDR *, u_int32_t *); +extern bool_t xdr_int64_t(XDR *, int64_t *); +extern bool_t xdr_u_int64_t(XDR *, u_int64_t *); +extern bool_t xdr_uint64_t(XDR *, u_int64_t *); +extern bool_t xdr_bool(XDR *, bool_t *); +extern bool_t xdr_enum(XDR *, enum_t *); +extern bool_t xdr_array(XDR *, char **, u_int *, u_int, u_int, xdrproc_t); +extern bool_t xdr_bytes(XDR *, char **, u_int *, u_int); +extern bool_t xdr_opaque(XDR *, char *, u_int); +extern bool_t xdr_string(XDR *, char **, u_int); +extern bool_t xdr_union(XDR *, enum_t *, char *, const struct xdr_discrim *, xdrproc_t); +extern bool_t xdr_char(XDR *, char *); +extern bool_t xdr_u_char(XDR *, u_char *); +extern bool_t xdr_vector(XDR *, char *, u_int, u_int, xdrproc_t); +extern bool_t xdr_float(XDR *, float *); +extern bool_t xdr_double(XDR *, double *); +extern bool_t xdr_quadruple(XDR *, long double *); +extern bool_t xdr_reference(XDR *, char **, u_int, xdrproc_t); +extern bool_t xdr_pointer(XDR *, char **, u_int, xdrproc_t); +extern bool_t xdr_wrapstring(XDR *, char **); +extern void xdr_free(xdrproc_t, void *); +extern bool_t xdr_hyper(XDR *, quad_t *); +extern bool_t xdr_u_hyper(XDR *, u_quad_t *); +extern bool_t xdr_longlong_t(XDR *, quad_t *); +extern bool_t xdr_u_longlong_t(XDR *, u_quad_t *); +__END_DECLS + +/* + * Common opaque bytes objects used by many rpc protocols; + * declared here due to commonality. + */ +#define MAX_NETOBJ_SZ 1024 +struct netobj { + u_int n_len; + char *n_bytes; +}; +typedef struct netobj netobj; +extern bool_t xdr_netobj(XDR *, struct netobj *); + +/* + * These are the public routines for the various implementations of + * xdr streams. + */ +__BEGIN_DECLS +/* XDR using memory buffers */ +extern void xdrmem_create(XDR *, char *, u_int, enum xdr_op); + +/* XDR using stdio library */ +#ifdef _STDIO_H_ +extern void xdrstdio_create(XDR *, FILE *, enum xdr_op); +#endif + +/* XDR pseudo records for tcp */ +extern void xdrrec_create(XDR *, u_int, u_int, void *, + int (*)(void *, void *, int), + int (*)(void *, void *, int)); + +/* make end of xdr record */ +extern bool_t xdrrec_endofrecord(XDR *, int); + +/* move to beginning of next record */ +extern bool_t xdrrec_skiprecord(XDR *); + +/* true if no more input */ +extern bool_t xdrrec_eof(XDR *); +extern u_int xdrrec_readbytes(XDR *, caddr_t, u_int); +__END_DECLS + +#endif /* !_RPC_XDR_H */ diff --git a/freebsd-userspace/lib/libc/gen/gethostname.c b/freebsd-userspace/lib/libc/gen/gethostname.c new file mode 100644 index 00000000..f744652c --- /dev/null +++ b/freebsd-userspace/lib/libc/gen/gethostname.c @@ -0,0 +1,59 @@ +#include "port_before.h" + +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)gethostname.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/sysctl.h> + +#include <errno.h> +#include <unistd.h> + +int +gethostname(name, namelen) + char *name; + size_t namelen; +{ + int mib[2]; + + mib[0] = CTL_KERN; + mib[1] = KERN_HOSTNAME; + if (sysctl(mib, 2, name, &namelen, NULL, 0) == -1) { + if (errno == ENOMEM) + errno = ENAMETOOLONG; + return (-1); + } + return (0); +} diff --git a/freebsd-userspace/lib/libc/nameser/ns_name.c b/freebsd-userspace/lib/libc/nameser/ns_name.c new file mode 100644 index 00000000..ce7ee4d6 --- /dev/null +++ b/freebsd-userspace/lib/libc/nameser/ns_name.c @@ -0,0 +1,975 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996,1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef lint +static const char rcsid[] = "$Id: ns_name.c,v 1.8.18.2 2005/04/27 05:01:08 sra Exp $"; +#endif + +#include "port_before.h" + +#include <sys/types.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> + +#include <errno.h> +#include <resolv.h> +#include <string.h> +#include <ctype.h> +#include <stdlib.h> +#include <limits.h> + +#include "port_after.h" + +#ifdef SPRINTF_CHAR +# define SPRINTF(x) strlen(sprintf/**/x) +#else +# define SPRINTF(x) ((size_t)sprintf x) +#endif + +#define NS_TYPE_ELT 0x40 /*%< EDNS0 extended label type */ +#define DNS_LABELTYPE_BITSTRING 0x41 + +/* Data. */ + +static const char digits[] = "0123456789"; + +static const char digitvalue[256] = { + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*16*/ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*32*/ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*48*/ + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /*64*/ + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*80*/ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*96*/ + -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*112*/ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*128*/ + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, /*256*/ +}; + +/* Forward. */ + +static int special(int); +static int printable(int); +static int dn_find(const u_char *, const u_char *, + const u_char * const *, + const u_char * const *); +static int encode_bitsring(const char **, const char *, + unsigned char **, unsigned char **, + unsigned const char *); +static int labellen(const u_char *); +static int decode_bitstring(const unsigned char **, + char *, const char *); + +/* Public. */ + +/*% + * Convert an encoded domain name to printable ascii as per RFC1035. + + * return: + *\li Number of bytes written to buffer, or -1 (with errno set) + * + * notes: + *\li The root is returned as "." + *\li All other domains are returned in non absolute form + */ +int +ns_name_ntop(const u_char *src, char *dst, size_t dstsiz) +{ + const u_char *cp; + char *dn, *eom; + u_char c; + u_int n; + int l; + + cp = src; + dn = dst; + eom = dst + dstsiz; + + while ((n = *cp++) != 0) { + if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) { + /* Some kind of compression pointer. */ + errno = EMSGSIZE; + return (-1); + } + if (dn != dst) { + if (dn >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = '.'; + } + if ((l = labellen(cp - 1)) < 0) { + errno = EMSGSIZE; /*%< XXX */ + return(-1); + } + if (dn + l >= eom) { + errno = EMSGSIZE; + return (-1); + } + if ((n & NS_CMPRSFLGS) == NS_TYPE_ELT) { + int m; + + if (n != DNS_LABELTYPE_BITSTRING) { + /* XXX: labellen should reject this case */ + errno = EINVAL; + return(-1); + } + if ((m = decode_bitstring(&cp, dn, eom)) < 0) + { + errno = EMSGSIZE; + return(-1); + } + dn += m; + continue; + } + for ((void)NULL; l > 0; l--) { + c = *cp++; + if (special(c)) { + if (dn + 1 >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = '\\'; + *dn++ = (char)c; + } else if (!printable(c)) { + if (dn + 3 >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = '\\'; + *dn++ = digits[c / 100]; + *dn++ = digits[(c % 100) / 10]; + *dn++ = digits[c % 10]; + } else { + if (dn >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = (char)c; + } + } + } + if (dn == dst) { + if (dn >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = '.'; + } + if (dn >= eom) { + errno = EMSGSIZE; + return (-1); + } + *dn++ = '\0'; + return (dn - dst); +} + +/*% + * Convert a ascii string into an encoded domain name as per RFC1035. + * + * return: + * + *\li -1 if it fails + *\li 1 if string was fully qualified + *\li 0 is string was not fully qualified + * + * notes: + *\li Enforces label and domain length limits. + */ + +int +ns_name_pton(const char *src, u_char *dst, size_t dstsiz) +{ + u_char *label, *bp, *eom; + int c, n, escaped, e = 0; + char *cp; + + escaped = 0; + bp = dst; + eom = dst + dstsiz; + label = bp++; + + while ((c = *src++) != 0) { + if (escaped) { + if (c == '[') { /*%< start a bit string label */ + if ((cp = strchr(src, ']')) == NULL) { + errno = EINVAL; /*%< ??? */ + return(-1); + } + if ((e = encode_bitsring(&src, cp + 2, + &label, &bp, eom)) + != 0) { + errno = e; + return(-1); + } + escaped = 0; + label = bp++; + if ((c = *src++) == 0) + goto done; + else if (c != '.') { + errno = EINVAL; + return(-1); + } + continue; + } + else if ((cp = strchr(digits, c)) != NULL) { + n = (cp - digits) * 100; + if ((c = *src++) == 0 || + (cp = strchr(digits, c)) == NULL) { + errno = EMSGSIZE; + return (-1); + } + n += (cp - digits) * 10; + if ((c = *src++) == 0 || + (cp = strchr(digits, c)) == NULL) { + errno = EMSGSIZE; + return (-1); + } + n += (cp - digits); + if (n > 255) { + errno = EMSGSIZE; + return (-1); + } + c = n; + } + escaped = 0; + } else if (c == '\\') { + escaped = 1; + continue; + } else if (c == '.') { + c = (bp - label - 1); + if ((c & NS_CMPRSFLGS) != 0) { /*%< Label too big. */ + errno = EMSGSIZE; + return (-1); + } + if (label >= eom) { + errno = EMSGSIZE; + return (-1); + } + *label = c; + /* Fully qualified ? */ + if (*src == '\0') { + if (c != 0) { + if (bp >= eom) { + errno = EMSGSIZE; + return (-1); + } + *bp++ = '\0'; + } + if ((bp - dst) > MAXCDNAME) { + errno = EMSGSIZE; + return (-1); + } + return (1); + } + if (c == 0 || *src == '.') { + errno = EMSGSIZE; + return (-1); + } + label = bp++; + continue; + } + if (bp >= eom) { + errno = EMSGSIZE; + return (-1); + } + *bp++ = (u_char)c; + } + c = (bp - label - 1); + if ((c & NS_CMPRSFLGS) != 0) { /*%< Label too big. */ + errno = EMSGSIZE; + return (-1); + } + done: + if (label >= eom) { + errno = EMSGSIZE; + return (-1); + } + *label = c; + if (c != 0) { + if (bp >= eom) { + errno = EMSGSIZE; + return (-1); + } + *bp++ = 0; + } + if ((bp - dst) > MAXCDNAME) { /*%< src too big */ + errno = EMSGSIZE; + return (-1); + } + return (0); +} + +/*% + * Convert a network strings labels into all lowercase. + * + * return: + *\li Number of bytes written to buffer, or -1 (with errno set) + * + * notes: + *\li Enforces label and domain length limits. + */ + +int +ns_name_ntol(const u_char *src, u_char *dst, size_t dstsiz) +{ + const u_char *cp; + u_char *dn, *eom; + u_char c; + u_int n; + int l; + + cp = src; + dn = dst; + eom = dst + dstsiz; + + if (dn >= eom) { + errno = EMSGSIZE; + return (-1); + } + while ((n = *cp++) != 0) { + if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) { + /* Some kind of compression pointer. */ + errno = EMSGSIZE; + return (-1); + } + *dn++ = n; + if ((l = labellen(cp - 1)) < 0) { + errno = EMSGSIZE; + return (-1); + } + if (dn + l >= eom) { + errno = EMSGSIZE; + return (-1); + } + for ((void)NULL; l > 0; l--) { + c = *cp++; + if (isupper(c)) + *dn++ = tolower(c); + else + *dn++ = c; + } + } + *dn++ = '\0'; + return (dn - dst); +} + +/*% + * Unpack a domain name from a message, source may be compressed. + * + * return: + *\li -1 if it fails, or consumed octets if it succeeds. + */ +int +ns_name_unpack(const u_char *msg, const u_char *eom, const u_char *src, + u_char *dst, size_t dstsiz) +{ + const u_char *srcp, *dstlim; + u_char *dstp; + int n, len, checked, l; + + len = -1; + checked = 0; + dstp = dst; + srcp = src; + dstlim = dst + dstsiz; + if (srcp < msg || srcp >= eom) { + errno = EMSGSIZE; + return (-1); + } + /* Fetch next label in domain name. */ + while ((n = *srcp++) != 0) { + /* Check for indirection. */ + switch (n & NS_CMPRSFLGS) { + case 0: + case NS_TYPE_ELT: + /* Limit checks. */ + if ((l = labellen(srcp - 1)) < 0) { + errno = EMSGSIZE; + return(-1); + } + if (dstp + l + 1 >= dstlim || srcp + l >= eom) { + errno = EMSGSIZE; + return (-1); + } + checked += l + 1; + *dstp++ = n; + memcpy(dstp, srcp, l); + dstp += l; + srcp += l; + break; + + case NS_CMPRSFLGS: + if (srcp >= eom) { + errno = EMSGSIZE; + return (-1); + } + if (len < 0) + len = srcp - src + 1; + srcp = msg + (((n & 0x3f) << 8) | (*srcp & 0xff)); + if (srcp < msg || srcp >= eom) { /*%< Out of range. */ + errno = EMSGSIZE; + return (-1); + } + checked += 2; + /* + * Check for loops in the compressed name; + * if we've looked at the whole message, + * there must be a loop. + */ + if (checked >= eom - msg) { + errno = EMSGSIZE; + return (-1); + } + break; + + default: + errno = EMSGSIZE; + return (-1); /*%< flag error */ + } + } + *dstp = '\0'; + if (len < 0) + len = srcp - src; + return (len); +} + +/*% + * Pack domain name 'domain' into 'comp_dn'. + * + * return: + *\li Size of the compressed name, or -1. + * + * notes: + *\li 'dnptrs' is an array of pointers to previous compressed names. + *\li dnptrs[0] is a pointer to the beginning of the message. The array + * ends with NULL. + *\li 'lastdnptr' is a pointer to the end of the array pointed to + * by 'dnptrs'. + * + * Side effects: + *\li The list of pointers in dnptrs is updated for labels inserted into + * the message as we compress the name. If 'dnptr' is NULL, we don't + * try to compress names. If 'lastdnptr' is NULL, we don't update the + * list. + */ +int +ns_name_pack(const u_char *src, u_char *dst, int dstsiz, + const u_char **dnptrs, const u_char **lastdnptr) +{ + u_char *dstp; + const u_char **cpp, **lpp, *eob, *msg; + const u_char *srcp; + int n, l, first = 1; + + srcp = src; + dstp = dst; + eob = dstp + dstsiz; + lpp = cpp = NULL; + if (dnptrs != NULL) { + if ((msg = *dnptrs++) != NULL) { + for (cpp = dnptrs; *cpp != NULL; cpp++) + (void)NULL; + lpp = cpp; /*%< end of list to search */ + } + } else + msg = NULL; + + /* make sure the domain we are about to add is legal */ + l = 0; + do { + int l0; + + n = *srcp; + if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) { + errno = EMSGSIZE; + return (-1); + } + if ((l0 = labellen(srcp)) < 0) { + errno = EINVAL; + return(-1); + } + l += l0 + 1; + if (l > MAXCDNAME) { + errno = EMSGSIZE; + return (-1); + } + srcp += l0 + 1; + } while (n != 0); + + /* from here on we need to reset compression pointer array on error */ + srcp = src; + do { + /* Look to see if we can use pointers. */ + n = *srcp; + if (n != 0 && msg != NULL) { + l = dn_find(srcp, msg, (const u_char * const *)dnptrs, + (const u_char * const *)lpp); + if (l >= 0) { + if (dstp + 1 >= eob) { + goto cleanup; + } + *dstp++ = (l >> 8) | NS_CMPRSFLGS; + *dstp++ = l % 256; + return (dstp - dst); + } + /* Not found, save it. */ + if (lastdnptr != NULL && cpp < lastdnptr - 1 && + (dstp - msg) < 0x4000 && first) { + *cpp++ = dstp; + *cpp = NULL; + first = 0; + } + } + /* copy label to buffer */ + if ((n & NS_CMPRSFLGS) == NS_CMPRSFLGS) { + /* Should not happen. */ + goto cleanup; + } + n = labellen(srcp); + if (dstp + 1 + n >= eob) { + goto cleanup; + } + memcpy(dstp, srcp, n + 1); + srcp += n + 1; + dstp += n + 1; + } while (n != 0); + + if (dstp > eob) { +cleanup: + if (msg != NULL) + *lpp = NULL; + errno = EMSGSIZE; + return (-1); + } + return (dstp - dst); +} + +/*% + * Expand compressed domain name to presentation format. + * + * return: + *\li Number of bytes read out of `src', or -1 (with errno set). + * + * note: + *\li Root domain returns as "." not "". + */ +int +ns_name_uncompress(const u_char *msg, const u_char *eom, const u_char *src, + char *dst, size_t dstsiz) +{ + u_char tmp[NS_MAXCDNAME]; + int n; + + if ((n = ns_name_unpack(msg, eom, src, tmp, sizeof tmp)) == -1) + return (-1); + if (ns_name_ntop(tmp, dst, dstsiz) == -1) + return (-1); + return (n); +} + +/*% + * Compress a domain name into wire format, using compression pointers. + * + * return: + *\li Number of bytes consumed in `dst' or -1 (with errno set). + * + * notes: + *\li 'dnptrs' is an array of pointers to previous compressed names. + *\li dnptrs[0] is a pointer to the beginning of the message. + *\li The list ends with NULL. 'lastdnptr' is a pointer to the end of the + * array pointed to by 'dnptrs'. Side effect is to update the list of + * pointers for labels inserted into the message as we compress the name. + *\li If 'dnptr' is NULL, we don't try to compress names. If 'lastdnptr' + * is NULL, we don't update the list. + */ +int +ns_name_compress(const char *src, u_char *dst, size_t dstsiz, + const u_char **dnptrs, const u_char **lastdnptr) +{ + u_char tmp[NS_MAXCDNAME]; + + if (ns_name_pton(src, tmp, sizeof tmp) == -1) + return (-1); + return (ns_name_pack(tmp, dst, dstsiz, dnptrs, lastdnptr)); +} + +/*% + * Reset dnptrs so that there are no active references to pointers at or + * after src. + */ +void +ns_name_rollback(const u_char *src, const u_char **dnptrs, + const u_char **lastdnptr) +{ + while (dnptrs < lastdnptr && *dnptrs != NULL) { + if (*dnptrs >= src) { + *dnptrs = NULL; + break; + } + dnptrs++; + } +} + +/*% + * Advance *ptrptr to skip over the compressed name it points at. + * + * return: + *\li 0 on success, -1 (with errno set) on failure. + */ +int +ns_name_skip(const u_char **ptrptr, const u_char *eom) +{ + const u_char *cp; + u_int n; + int l; + + cp = *ptrptr; + while (cp < eom && (n = *cp++) != 0) { + /* Check for indirection. */ + switch (n & NS_CMPRSFLGS) { + case 0: /*%< normal case, n == len */ + cp += n; + continue; + case NS_TYPE_ELT: /*%< EDNS0 extended label */ + if ((l = labellen(cp - 1)) < 0) { + errno = EMSGSIZE; /*%< XXX */ + return(-1); + } + cp += l; + continue; + case NS_CMPRSFLGS: /*%< indirection */ + cp++; + break; + default: /*%< illegal type */ + errno = EMSGSIZE; + return (-1); + } + break; + } + if (cp > eom) { + errno = EMSGSIZE; + return (-1); + } + *ptrptr = cp; + return (0); +} + +/* Private. */ + +/*% + * Thinking in noninternationalized USASCII (per the DNS spec), + * is this characted special ("in need of quoting") ? + * + * return: + *\li boolean. + */ +static int +special(int ch) { + switch (ch) { + case 0x22: /*%< '"' */ + case 0x2E: /*%< '.' */ + case 0x3B: /*%< ';' */ + case 0x5C: /*%< '\\' */ + case 0x28: /*%< '(' */ + case 0x29: /*%< ')' */ + /* Special modifiers in zone files. */ + case 0x40: /*%< '@' */ + case 0x24: /*%< '$' */ + return (1); + default: + return (0); + } +} + +/*% + * Thinking in noninternationalized USASCII (per the DNS spec), + * is this character visible and not a space when printed ? + * + * return: + *\li boolean. + */ +static int +printable(int ch) { + return (ch > 0x20 && ch < 0x7f); +} + +/*% + * Thinking in noninternationalized USASCII (per the DNS spec), + * convert this character to lower case if it's upper case. + */ +static int +mklower(int ch) { + if (ch >= 0x41 && ch <= 0x5A) + return (ch + 0x20); + return (ch); +} + +/*% + * Search for the counted-label name in an array of compressed names. + * + * return: + *\li offset from msg if found, or -1. + * + * notes: + *\li dnptrs is the pointer to the first name on the list, + *\li not the pointer to the start of the message. + */ +static int +dn_find(const u_char *domain, const u_char *msg, + const u_char * const *dnptrs, + const u_char * const *lastdnptr) +{ + const u_char *dn, *cp, *sp; + const u_char * const *cpp; + u_int n; + + for (cpp = dnptrs; cpp < lastdnptr; cpp++) { + sp = *cpp; + /* + * terminate search on: + * root label + * compression pointer + * unusable offset + */ + while (*sp != 0 && (*sp & NS_CMPRSFLGS) == 0 && + (sp - msg) < 0x4000) { + dn = domain; + cp = sp; + while ((n = *cp++) != 0) { + /* + * check for indirection + */ + switch (n & NS_CMPRSFLGS) { + case 0: /*%< normal case, n == len */ + n = labellen(cp - 1); /*%< XXX */ + if (n != *dn++) + goto next; + + for ((void)NULL; n > 0; n--) + if (mklower(*dn++) != + mklower(*cp++)) + goto next; + /* Is next root for both ? */ + if (*dn == '\0' && *cp == '\0') + return (sp - msg); + if (*dn) + continue; + goto next; + case NS_CMPRSFLGS: /*%< indirection */ + cp = msg + (((n & 0x3f) << 8) | *cp); + break; + + default: /*%< illegal type */ + errno = EMSGSIZE; + return (-1); + } + } + next: ; + sp += *sp + 1; + } + } + errno = ENOENT; + return (-1); +} + +static int +decode_bitstring(const unsigned char **cpp, char *dn, const char *eom) +{ + const unsigned char *cp = *cpp; + char *beg = dn, tc; + int b, blen, plen, i; + + if ((blen = (*cp & 0xff)) == 0) + blen = 256; + plen = (blen + 3) / 4; + plen += sizeof("\\[x/]") + (blen > 99 ? 3 : (blen > 9) ? 2 : 1); + if (dn + plen >= eom) + return(-1); + + cp++; + i = SPRINTF((dn, "\\[x")); + if (i < 0) + return (-1); + dn += i; + for (b = blen; b > 7; b -= 8, cp++) { + i = SPRINTF((dn, "%02x", *cp & 0xff)); + if (i < 0) + return (-1); + dn += i; + } + if (b > 4) { + tc = *cp++; + i = SPRINTF((dn, "%02x", tc & (0xff << (8 - b)))); + if (i < 0) + return (-1); + dn += i; + } else if (b > 0) { + tc = *cp++; + i = SPRINTF((dn, "%1x", + ((tc >> 4) & 0x0f) & (0x0f << (4 - b)))); + if (i < 0) + return (-1); + dn += i; + } + i = SPRINTF((dn, "/%d]", blen)); + if (i < 0) + return (-1); + dn += i; + + *cpp = cp; + return(dn - beg); +} + +static int +encode_bitsring(const char **bp, const char *end, unsigned char **labelp, + unsigned char ** dst, unsigned const char *eom) +{ + int afterslash = 0; + const char *cp = *bp; + unsigned char *tp; + char c; + const char *beg_blen; + char *end_blen = NULL; + int value = 0, count = 0, tbcount = 0, blen = 0; + + beg_blen = end_blen = NULL; + + /* a bitstring must contain at least 2 characters */ + if (end - cp < 2) + return(EINVAL); + + /* XXX: currently, only hex strings are supported */ + if (*cp++ != 'x') + return(EINVAL); + if (!isxdigit((*cp) & 0xff)) /*%< reject '\[x/BLEN]' */ + return(EINVAL); + + for (tp = *dst + 1; cp < end && tp < eom; cp++) { + switch((c = *cp)) { + case ']': /*%< end of the bitstring */ + if (afterslash) { + if (beg_blen == NULL) + return(EINVAL); + blen = (int)strtol(beg_blen, &end_blen, 10); + if (*end_blen != ']') + return(EINVAL); + } + if (count) + *tp++ = ((value << 4) & 0xff); + cp++; /*%< skip ']' */ + goto done; + case '/': + afterslash = 1; + break; + default: + if (afterslash) { + if (!isdigit(c&0xff)) + return(EINVAL); + if (beg_blen == NULL) { + + if (c == '0') { + /* blen never begings with 0 */ + return(EINVAL); + } + beg_blen = cp; + } + } else { + if (!isxdigit(c&0xff)) + return(EINVAL); + value <<= 4; + value += digitvalue[(int)c]; + count += 4; + tbcount += 4; + if (tbcount > 256) + return(EINVAL); + if (count == 8) { + *tp++ = value; + count = 0; + } + } + break; + } + } + done: + if (cp >= end || tp >= eom) + return(EMSGSIZE); + + /* + * bit length validation: + * If a <length> is present, the number of digits in the <bit-data> + * MUST be just sufficient to contain the number of bits specified + * by the <length>. If there are insignificant bits in a final + * hexadecimal or octal digit, they MUST be zero. + * RFC2673, Section 3.2. + */ + if (blen > 0) { + int traillen; + + if (((blen + 3) & ~3) != tbcount) + return(EINVAL); + traillen = tbcount - blen; /*%< between 0 and 3 */ + if (((value << (8 - traillen)) & 0xff) != 0) + return(EINVAL); + } + else + blen = tbcount; + if (blen == 256) + blen = 0; + + /* encode the type and the significant bit fields */ + **labelp = DNS_LABELTYPE_BITSTRING; + **dst = blen; + + *bp = cp; + *dst = tp; + + return(0); +} + +static int +labellen(const u_char *lp) +{ + int bitlen; + u_char l = *lp; + + if ((l & NS_CMPRSFLGS) == NS_CMPRSFLGS) { + /* should be avoided by the caller */ + return(-1); + } + + if ((l & NS_CMPRSFLGS) == NS_TYPE_ELT) { + if (l == DNS_LABELTYPE_BITSTRING) { + if ((bitlen = *(lp + 1)) == 0) + bitlen = 256; + return((bitlen + 7 ) / 8 + 1); + } + return(-1); /*%< unknwon ELT */ + } + return(l); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/nameser/ns_netint.c b/freebsd-userspace/lib/libc/nameser/ns_netint.c new file mode 100644 index 00000000..7e4b0818 --- /dev/null +++ b/freebsd-userspace/lib/libc/nameser/ns_netint.c @@ -0,0 +1,60 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996,1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef lint +static const char rcsid[] = "$Id: ns_netint.c,v 1.2.18.1 2005/04/27 05:01:08 sra Exp $"; +#endif + +/* Import. */ + +#include "port_before.h" + +#include <arpa/nameser.h> + +#include "port_after.h" + +/* Public. */ + +u_int +ns_get16(const u_char *src) { + u_int dst; + + NS_GET16(dst, src); + return (dst); +} + +u_long +ns_get32(const u_char *src) { + u_long dst; + + NS_GET32(dst, src); + return (dst); +} + +void +ns_put16(u_int src, u_char *dst) { + NS_PUT16(src, dst); +} + +void +ns_put32(u_long src, u_char *dst) { + NS_PUT32(src, dst); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/nameser/ns_parse.c b/freebsd-userspace/lib/libc/nameser/ns_parse.c new file mode 100644 index 00000000..2d794eab --- /dev/null +++ b/freebsd-userspace/lib/libc/nameser/ns_parse.c @@ -0,0 +1,213 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996,1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef lint +static const char rcsid[] = "$Id: ns_parse.c,v 1.5.18.4 2007/08/27 03:34:24 marka Exp $"; +#endif + +/* Import. */ + +#include "port_before.h" + +#include <sys/types.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> + +#include <errno.h> +#include <resolv.h> +#include <string.h> + +#include "port_after.h" + +/* Forward. */ + +static void setsection(ns_msg *msg, ns_sect sect); + +/* Macros. */ + +#if !defined(SOLARIS2) || defined(__COVERITY__) +#define RETERR(err) do { errno = (err); return (-1); } while (0) +#else +#define RETERR(err) \ + do { errno = (err); if (errno == errno) return (-1); } while (0) +#endif + +/* Public. */ + +/* These need to be in the same order as the nres.h:ns_flag enum. */ +struct _ns_flagdata _ns_flagdata[16] = { + { 0x8000, 15 }, /*%< qr. */ + { 0x7800, 11 }, /*%< opcode. */ + { 0x0400, 10 }, /*%< aa. */ + { 0x0200, 9 }, /*%< tc. */ + { 0x0100, 8 }, /*%< rd. */ + { 0x0080, 7 }, /*%< ra. */ + { 0x0040, 6 }, /*%< z. */ + { 0x0020, 5 }, /*%< ad. */ + { 0x0010, 4 }, /*%< cd. */ + { 0x000f, 0 }, /*%< rcode. */ + { 0x0000, 0 }, /*%< expansion (1/6). */ + { 0x0000, 0 }, /*%< expansion (2/6). */ + { 0x0000, 0 }, /*%< expansion (3/6). */ + { 0x0000, 0 }, /*%< expansion (4/6). */ + { 0x0000, 0 }, /*%< expansion (5/6). */ + { 0x0000, 0 }, /*%< expansion (6/6). */ +}; + +int ns_msg_getflag(ns_msg handle, int flag) { + return(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift); +} + +int +ns_skiprr(const u_char *ptr, const u_char *eom, ns_sect section, int count) { + const u_char *optr = ptr; + + for ((void)NULL; count > 0; count--) { + int b, rdlength; + + b = dn_skipname(ptr, eom); + if (b < 0) + RETERR(EMSGSIZE); + ptr += b/*Name*/ + NS_INT16SZ/*Type*/ + NS_INT16SZ/*Class*/; + if (section != ns_s_qd) { + if (ptr + NS_INT32SZ + NS_INT16SZ > eom) + RETERR(EMSGSIZE); + ptr += NS_INT32SZ/*TTL*/; + NS_GET16(rdlength, ptr); + ptr += rdlength/*RData*/; + } + } + if (ptr > eom) + RETERR(EMSGSIZE); + return (ptr - optr); +} + +int +ns_initparse(const u_char *msg, int msglen, ns_msg *handle) { + const u_char *eom = msg + msglen; + int i; + + memset(handle, 0x5e, sizeof *handle); + handle->_msg = msg; + handle->_eom = eom; + if (msg + NS_INT16SZ > eom) + RETERR(EMSGSIZE); + NS_GET16(handle->_id, msg); + if (msg + NS_INT16SZ > eom) + RETERR(EMSGSIZE); + NS_GET16(handle->_flags, msg); + for (i = 0; i < ns_s_max; i++) { + if (msg + NS_INT16SZ > eom) + RETERR(EMSGSIZE); + NS_GET16(handle->_counts[i], msg); + } + for (i = 0; i < ns_s_max; i++) + if (handle->_counts[i] == 0) + handle->_sections[i] = NULL; + else { + int b = ns_skiprr(msg, eom, (ns_sect)i, + handle->_counts[i]); + + if (b < 0) + return (-1); + handle->_sections[i] = msg; + msg += b; + } + if (msg != eom) + RETERR(EMSGSIZE); + setsection(handle, ns_s_max); + return (0); +} + +int +ns_parserr(ns_msg *handle, ns_sect section, int rrnum, ns_rr *rr) { + int b; + int tmp; + + /* Make section right. */ + tmp = section; + if (tmp < 0 || section >= ns_s_max) + RETERR(ENODEV); + if (section != handle->_sect) + setsection(handle, section); + + /* Make rrnum right. */ + if (rrnum == -1) + rrnum = handle->_rrnum; + if (rrnum < 0 || rrnum >= handle->_counts[(int)section]) + RETERR(ENODEV); + if (rrnum < handle->_rrnum) + setsection(handle, section); + if (rrnum > handle->_rrnum) { + b = ns_skiprr(handle->_msg_ptr, handle->_eom, section, + rrnum - handle->_rrnum); + + if (b < 0) + return (-1); + handle->_msg_ptr += b; + handle->_rrnum = rrnum; + } + + /* Do the parse. */ + b = dn_expand(handle->_msg, handle->_eom, + handle->_msg_ptr, rr->name, NS_MAXDNAME); + if (b < 0) + return (-1); + handle->_msg_ptr += b; + if (handle->_msg_ptr + NS_INT16SZ + NS_INT16SZ > handle->_eom) + RETERR(EMSGSIZE); + NS_GET16(rr->type, handle->_msg_ptr); + NS_GET16(rr->rr_class, handle->_msg_ptr); + if (section == ns_s_qd) { + rr->ttl = 0; + rr->rdlength = 0; + rr->rdata = NULL; + } else { + if (handle->_msg_ptr + NS_INT32SZ + NS_INT16SZ > handle->_eom) + RETERR(EMSGSIZE); + NS_GET32(rr->ttl, handle->_msg_ptr); + NS_GET16(rr->rdlength, handle->_msg_ptr); + if (handle->_msg_ptr + rr->rdlength > handle->_eom) + RETERR(EMSGSIZE); + rr->rdata = handle->_msg_ptr; + handle->_msg_ptr += rr->rdlength; + } + if (++handle->_rrnum > handle->_counts[(int)section]) + setsection(handle, (ns_sect)((int)section + 1)); + + /* All done. */ + return (0); +} + +/* Private. */ + +static void +setsection(ns_msg *msg, ns_sect sect) { + msg->_sect = sect; + if (sect == ns_s_max) { + msg->_rrnum = -1; + msg->_msg_ptr = NULL; + } else { + msg->_rrnum = 0; + msg->_msg_ptr = msg->_sections[(int)sect]; + } +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/nameser/ns_print.c b/freebsd-userspace/lib/libc/nameser/ns_print.c new file mode 100644 index 00000000..a4095e00 --- /dev/null +++ b/freebsd-userspace/lib/libc/nameser/ns_print.c @@ -0,0 +1,910 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef lint +static const char rcsid[] = "$Id: ns_print.c,v 1.6.18.4 2005/04/27 05:01:09 sra Exp $"; +#endif +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* Import. */ + +#include "port_before.h" + +#include <sys/types.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <arpa/inet.h> + +#ifdef _LIBC +#include <assert.h> +#define INSIST(cond) assert(cond) +#else +#include <isc/assertions.h> +#include <isc/dst.h> +#endif +#include <errno.h> +#include <resolv.h> +#include <string.h> +#include <ctype.h> + +#include "port_after.h" + +#ifdef SPRINTF_CHAR +# define SPRINTF(x) strlen(sprintf/**/x) +#else +# define SPRINTF(x) ((size_t)sprintf x) +#endif + +/* Forward. */ + +static size_t prune_origin(const char *name, const char *origin); +static int charstr(const u_char *rdata, const u_char *edata, + char **buf, size_t *buflen); +static int addname(const u_char *msg, size_t msglen, + const u_char **p, const char *origin, + char **buf, size_t *buflen); +static void addlen(size_t len, char **buf, size_t *buflen); +static int addstr(const char *src, size_t len, + char **buf, size_t *buflen); +static int addtab(size_t len, size_t target, int spaced, + char **buf, size_t *buflen); + +/* Macros. */ + +#define T(x) \ + do { \ + if ((x) < 0) \ + return (-1); \ + } while (0) + +/* Public. */ + +/*% + * Convert an RR to presentation format. + * + * return: + *\li Number of characters written to buf, or -1 (check errno). + */ +int +ns_sprintrr(const ns_msg *handle, const ns_rr *rr, + const char *name_ctx, const char *origin, + char *buf, size_t buflen) +{ + int n; + + n = ns_sprintrrf(ns_msg_base(*handle), ns_msg_size(*handle), + ns_rr_name(*rr), ns_rr_class(*rr), ns_rr_type(*rr), + ns_rr_ttl(*rr), ns_rr_rdata(*rr), ns_rr_rdlen(*rr), + name_ctx, origin, buf, buflen); + return (n); +} + +/*% + * Convert the fields of an RR into presentation format. + * + * return: + *\li Number of characters written to buf, or -1 (check errno). + */ +int +ns_sprintrrf(const u_char *msg, size_t msglen, + const char *name, ns_class class, ns_type type, + u_long ttl, const u_char *rdata, size_t rdlen, + const char *name_ctx, const char *origin, + char *buf, size_t buflen) +{ + const char *obuf = buf; + const u_char *edata = rdata + rdlen; + int spaced = 0; + + const char *comment; + char tmp[100]; + int len, x; + + /* + * Owner. + */ + if (name_ctx != NULL && ns_samename(name_ctx, name) == 1) { + T(addstr("\t\t\t", 3, &buf, &buflen)); + } else { + len = prune_origin(name, origin); + if (*name == '\0') { + goto root; + } else if (len == 0) { + T(addstr("@\t\t\t", 4, &buf, &buflen)); + } else { + T(addstr(name, len, &buf, &buflen)); + /* Origin not used or not root, and no trailing dot? */ + if (((origin == NULL || origin[0] == '\0') || + (origin[0] != '.' && origin[1] != '\0' && + name[len] == '\0')) && name[len - 1] != '.') { + root: + T(addstr(".", 1, &buf, &buflen)); + len++; + } + T(spaced = addtab(len, 24, spaced, &buf, &buflen)); + } + } + + /* + * TTL, Class, Type. + */ + T(x = ns_format_ttl(ttl, buf, buflen)); + addlen(x, &buf, &buflen); + len = SPRINTF((tmp, " %s %s", p_class(class), p_type(type))); + T(addstr(tmp, len, &buf, &buflen)); + T(spaced = addtab(x + len, 16, spaced, &buf, &buflen)); + + /* + * RData. + */ + switch (type) { + case ns_t_a: + if (rdlen != (size_t)NS_INADDRSZ) + goto formerr; + (void) inet_ntop(AF_INET, rdata, buf, buflen); + addlen(strlen(buf), &buf, &buflen); + break; + + case ns_t_cname: + case ns_t_mb: + case ns_t_mg: + case ns_t_mr: + case ns_t_ns: + case ns_t_ptr: + case ns_t_dname: + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + break; + + case ns_t_hinfo: + case ns_t_isdn: + /* First word. */ + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + T(addstr(" ", 1, &buf, &buflen)); + + + /* Second word, optional in ISDN records. */ + if (type == ns_t_isdn && rdata == edata) + break; + + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + break; + + case ns_t_soa: { + u_long t; + + /* Server name. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" ", 1, &buf, &buflen)); + + /* Administrator name. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" (\n", 3, &buf, &buflen)); + spaced = 0; + + if ((edata - rdata) != 5*NS_INT32SZ) + goto formerr; + + /* Serial number. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + T(addstr("\t\t\t\t\t", 5, &buf, &buflen)); + len = SPRINTF((tmp, "%lu", t)); + T(addstr(tmp, len, &buf, &buflen)); + T(spaced = addtab(len, 16, spaced, &buf, &buflen)); + T(addstr("; serial\n", 9, &buf, &buflen)); + spaced = 0; + + /* Refresh interval. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + T(addstr("\t\t\t\t\t", 5, &buf, &buflen)); + T(len = ns_format_ttl(t, buf, buflen)); + addlen(len, &buf, &buflen); + T(spaced = addtab(len, 16, spaced, &buf, &buflen)); + T(addstr("; refresh\n", 10, &buf, &buflen)); + spaced = 0; + + /* Retry interval. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + T(addstr("\t\t\t\t\t", 5, &buf, &buflen)); + T(len = ns_format_ttl(t, buf, buflen)); + addlen(len, &buf, &buflen); + T(spaced = addtab(len, 16, spaced, &buf, &buflen)); + T(addstr("; retry\n", 8, &buf, &buflen)); + spaced = 0; + + /* Expiry. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + T(addstr("\t\t\t\t\t", 5, &buf, &buflen)); + T(len = ns_format_ttl(t, buf, buflen)); + addlen(len, &buf, &buflen); + T(spaced = addtab(len, 16, spaced, &buf, &buflen)); + T(addstr("; expiry\n", 9, &buf, &buflen)); + spaced = 0; + + /* Minimum TTL. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + T(addstr("\t\t\t\t\t", 5, &buf, &buflen)); + T(len = ns_format_ttl(t, buf, buflen)); + addlen(len, &buf, &buflen); + T(addstr(" )", 2, &buf, &buflen)); + T(spaced = addtab(len, 16, spaced, &buf, &buflen)); + T(addstr("; minimum\n", 10, &buf, &buflen)); + + break; + } + + case ns_t_mx: + case ns_t_afsdb: + case ns_t_rt: { + u_int t; + + if (rdlen < (size_t)NS_INT16SZ) + goto formerr; + + /* Priority. */ + t = ns_get16(rdata); + rdata += NS_INT16SZ; + len = SPRINTF((tmp, "%u ", t)); + T(addstr(tmp, len, &buf, &buflen)); + + /* Target. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + break; + } + + case ns_t_px: { + u_int t; + + if (rdlen < (size_t)NS_INT16SZ) + goto formerr; + + /* Priority. */ + t = ns_get16(rdata); + rdata += NS_INT16SZ; + len = SPRINTF((tmp, "%u ", t)); + T(addstr(tmp, len, &buf, &buflen)); + + /* Name1. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" ", 1, &buf, &buflen)); + + /* Name2. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + break; + } + + case ns_t_x25: + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + break; + + case ns_t_txt: + while (rdata < edata) { + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + if (rdata < edata) + T(addstr(" ", 1, &buf, &buflen)); + } + break; + + case ns_t_nsap: { + char t[2+255*3]; + + (void) inet_nsap_ntoa(rdlen, rdata, t); + T(addstr(t, strlen(t), &buf, &buflen)); + break; + } + + case ns_t_aaaa: + if (rdlen != (size_t)NS_IN6ADDRSZ) + goto formerr; + (void) inet_ntop(AF_INET6, rdata, buf, buflen); + addlen(strlen(buf), &buf, &buflen); + break; + + case ns_t_loc: { + char t[255]; + + /* XXX protocol format checking? */ + (void) loc_ntoa(rdata, t); + T(addstr(t, strlen(t), &buf, &buflen)); + break; + } + + case ns_t_naptr: { + u_int order, preference; + char t[50]; + + if (rdlen < 2U*NS_INT16SZ) + goto formerr; + + /* Order, Precedence. */ + order = ns_get16(rdata); rdata += NS_INT16SZ; + preference = ns_get16(rdata); rdata += NS_INT16SZ; + len = SPRINTF((t, "%u %u ", order, preference)); + T(addstr(t, len, &buf, &buflen)); + + /* Flags. */ + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + T(addstr(" ", 1, &buf, &buflen)); + + /* Service. */ + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len == 0) + goto formerr; + rdata += len; + T(addstr(" ", 1, &buf, &buflen)); + + /* Regexp. */ + T(len = charstr(rdata, edata, &buf, &buflen)); + if (len < 0) + return (-1); + if (len == 0) + goto formerr; + rdata += len; + T(addstr(" ", 1, &buf, &buflen)); + + /* Server. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + break; + } + + case ns_t_srv: { + u_int priority, weight, port; + char t[50]; + + if (rdlen < 3U*NS_INT16SZ) + goto formerr; + + /* Priority, Weight, Port. */ + priority = ns_get16(rdata); rdata += NS_INT16SZ; + weight = ns_get16(rdata); rdata += NS_INT16SZ; + port = ns_get16(rdata); rdata += NS_INT16SZ; + len = SPRINTF((t, "%u %u %u ", priority, weight, port)); + T(addstr(t, len, &buf, &buflen)); + + /* Server. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + break; + } + + case ns_t_minfo: + case ns_t_rp: + /* Name1. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" ", 1, &buf, &buflen)); + + /* Name2. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + break; + + case ns_t_wks: { + int n, lcnt; + + if (rdlen < 1U + NS_INT32SZ) + goto formerr; + + /* Address. */ + (void) inet_ntop(AF_INET, rdata, buf, buflen); + addlen(strlen(buf), &buf, &buflen); + rdata += NS_INADDRSZ; + + /* Protocol. */ + len = SPRINTF((tmp, " %u ( ", *rdata)); + T(addstr(tmp, len, &buf, &buflen)); + rdata += NS_INT8SZ; + + /* Bit map. */ + n = 0; + lcnt = 0; + while (rdata < edata) { + u_int c = *rdata++; + do { + if (c & 0200) { + if (lcnt == 0) { + T(addstr("\n\t\t\t\t", 5, + &buf, &buflen)); + lcnt = 10; + spaced = 0; + } + len = SPRINTF((tmp, "%d ", n)); + T(addstr(tmp, len, &buf, &buflen)); + lcnt--; + } + c <<= 1; + } while (++n & 07); + } + T(addstr(")", 1, &buf, &buflen)); + + break; + } + + case ns_t_key: { + char base64_key[NS_MD5RSA_MAX_BASE64]; + u_int keyflags, protocol, algorithm, key_id; + const char *leader; + int n; + + if (rdlen < 0U + NS_INT16SZ + NS_INT8SZ + NS_INT8SZ) + goto formerr; + + /* Key flags, Protocol, Algorithm. */ +#ifndef _LIBC + key_id = dst_s_dns_key_id(rdata, edata-rdata); +#else + key_id = 0; +#endif + keyflags = ns_get16(rdata); rdata += NS_INT16SZ; + protocol = *rdata++; + algorithm = *rdata++; + len = SPRINTF((tmp, "0x%04x %u %u", + keyflags, protocol, algorithm)); + T(addstr(tmp, len, &buf, &buflen)); + + /* Public key data. */ + len = b64_ntop(rdata, edata - rdata, + base64_key, sizeof base64_key); + if (len < 0) + goto formerr; + if (len > 15) { + T(addstr(" (", 2, &buf, &buflen)); + leader = "\n\t\t"; + spaced = 0; + } else + leader = " "; + for (n = 0; n < len; n += 48) { + T(addstr(leader, strlen(leader), &buf, &buflen)); + T(addstr(base64_key + n, MIN(len - n, 48), + &buf, &buflen)); + } + if (len > 15) + T(addstr(" )", 2, &buf, &buflen)); + n = SPRINTF((tmp, " ; key_tag= %u", key_id)); + T(addstr(tmp, n, &buf, &buflen)); + + break; + } + + case ns_t_sig: { + char base64_key[NS_MD5RSA_MAX_BASE64]; + u_int type, algorithm, labels, footprint; + const char *leader; + u_long t; + int n; + + if (rdlen < 22U) + goto formerr; + + /* Type covered, Algorithm, Label count, Original TTL. */ + type = ns_get16(rdata); rdata += NS_INT16SZ; + algorithm = *rdata++; + labels = *rdata++; + t = ns_get32(rdata); rdata += NS_INT32SZ; + len = SPRINTF((tmp, "%s %d %d %lu ", + p_type(type), algorithm, labels, t)); + T(addstr(tmp, len, &buf, &buflen)); + if (labels > (u_int)dn_count_labels(name)) + goto formerr; + + /* Signature expiry. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + len = SPRINTF((tmp, "%s ", p_secstodate(t))); + T(addstr(tmp, len, &buf, &buflen)); + + /* Time signed. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + len = SPRINTF((tmp, "%s ", p_secstodate(t))); + T(addstr(tmp, len, &buf, &buflen)); + + /* Signature Footprint. */ + footprint = ns_get16(rdata); rdata += NS_INT16SZ; + len = SPRINTF((tmp, "%u ", footprint)); + T(addstr(tmp, len, &buf, &buflen)); + + /* Signer's name. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + /* Signature. */ + len = b64_ntop(rdata, edata - rdata, + base64_key, sizeof base64_key); + if (len > 15) { + T(addstr(" (", 2, &buf, &buflen)); + leader = "\n\t\t"; + spaced = 0; + } else + leader = " "; + if (len < 0) + goto formerr; + for (n = 0; n < len; n += 48) { + T(addstr(leader, strlen(leader), &buf, &buflen)); + T(addstr(base64_key + n, MIN(len - n, 48), + &buf, &buflen)); + } + if (len > 15) + T(addstr(" )", 2, &buf, &buflen)); + break; + } + + case ns_t_nxt: { + int n, c; + + /* Next domain name. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + /* Type bit map. */ + n = edata - rdata; + for (c = 0; c < n*8; c++) + if (NS_NXT_BIT_ISSET(c, rdata)) { + len = SPRINTF((tmp, " %s", p_type(c))); + T(addstr(tmp, len, &buf, &buflen)); + } + break; + } + + case ns_t_cert: { + u_int c_type, key_tag, alg; + int n; + unsigned int siz; + char base64_cert[8192], tmp[40]; + const char *leader; + + c_type = ns_get16(rdata); rdata += NS_INT16SZ; + key_tag = ns_get16(rdata); rdata += NS_INT16SZ; + alg = (u_int) *rdata++; + + len = SPRINTF((tmp, "%d %d %d ", c_type, key_tag, alg)); + T(addstr(tmp, len, &buf, &buflen)); + siz = (edata-rdata)*4/3 + 4; /* "+4" accounts for trailing \0 */ + if (siz > sizeof(base64_cert) * 3/4) { + const char *str = "record too long to print"; + T(addstr(str, strlen(str), &buf, &buflen)); + } + else { + len = b64_ntop(rdata, edata-rdata, base64_cert, siz); + + if (len < 0) + goto formerr; + else if (len > 15) { + T(addstr(" (", 2, &buf, &buflen)); + leader = "\n\t\t"; + spaced = 0; + } + else + leader = " "; + + for (n = 0; n < len; n += 48) { + T(addstr(leader, strlen(leader), + &buf, &buflen)); + T(addstr(base64_cert + n, MIN(len - n, 48), + &buf, &buflen)); + } + if (len > 15) + T(addstr(" )", 2, &buf, &buflen)); + } + break; + } + + case ns_t_tkey: { + /* KJD - need to complete this */ + u_long t; + int mode, err, keysize; + + /* Algorithm name. */ + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" ", 1, &buf, &buflen)); + + /* Inception. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + len = SPRINTF((tmp, "%s ", p_secstodate(t))); + T(addstr(tmp, len, &buf, &buflen)); + + /* Experation. */ + t = ns_get32(rdata); rdata += NS_INT32SZ; + len = SPRINTF((tmp, "%s ", p_secstodate(t))); + T(addstr(tmp, len, &buf, &buflen)); + + /* Mode , Error, Key Size. */ + /* Priority, Weight, Port. */ + mode = ns_get16(rdata); rdata += NS_INT16SZ; + err = ns_get16(rdata); rdata += NS_INT16SZ; + keysize = ns_get16(rdata); rdata += NS_INT16SZ; + len = SPRINTF((tmp, "%u %u %u ", mode, err, keysize)); + T(addstr(tmp, len, &buf, &buflen)); + + /* XXX need to dump key, print otherdata length & other data */ + break; + } + + case ns_t_tsig: { + /* BEW - need to complete this */ + int n; + + T(len = addname(msg, msglen, &rdata, origin, &buf, &buflen)); + T(addstr(" ", 1, &buf, &buflen)); + rdata += 8; /*%< time */ + n = ns_get16(rdata); rdata += INT16SZ; + rdata += n; /*%< sig */ + n = ns_get16(rdata); rdata += INT16SZ; /*%< original id */ + sprintf(buf, "%d", ns_get16(rdata)); + rdata += INT16SZ; + addlen(strlen(buf), &buf, &buflen); + break; + } + + case ns_t_a6: { + struct in6_addr a; + int pbyte, pbit; + + /* prefix length */ + if (rdlen == 0U) goto formerr; + len = SPRINTF((tmp, "%d ", *rdata)); + T(addstr(tmp, len, &buf, &buflen)); + pbit = *rdata; + if (pbit > 128) goto formerr; + pbyte = (pbit & ~7) / 8; + rdata++; + + /* address suffix: provided only when prefix len != 128 */ + if (pbit < 128) { + if (rdata + pbyte >= edata) goto formerr; + memset(&a, 0, sizeof(a)); + memcpy(&a.s6_addr[pbyte], rdata, sizeof(a) - pbyte); + (void) inet_ntop(AF_INET6, &a, buf, buflen); + addlen(strlen(buf), &buf, &buflen); + rdata += sizeof(a) - pbyte; + } + + /* prefix name: provided only when prefix len > 0 */ + if (pbit == 0) + break; + if (rdata >= edata) goto formerr; + T(addstr(" ", 1, &buf, &buflen)); + T(addname(msg, msglen, &rdata, origin, &buf, &buflen)); + + break; + } + + case ns_t_opt: { + len = SPRINTF((tmp, "%u bytes", class)); + T(addstr(tmp, len, &buf, &buflen)); + break; + } + + default: + comment = "unknown RR type"; + goto hexify; + } + return (buf - obuf); + formerr: + comment = "RR format error"; + hexify: { + int n, m; + char *p; + + len = SPRINTF((tmp, "\\# %u%s\t; %s", (unsigned)(edata - rdata), + rdlen != 0U ? " (" : "", comment)); + T(addstr(tmp, len, &buf, &buflen)); + while (rdata < edata) { + p = tmp; + p += SPRINTF((p, "\n\t")); + spaced = 0; + n = MIN(16, edata - rdata); + for (m = 0; m < n; m++) + p += SPRINTF((p, "%02x ", rdata[m])); + T(addstr(tmp, p - tmp, &buf, &buflen)); + if (n < 16) { + T(addstr(")", 1, &buf, &buflen)); + T(addtab(p - tmp + 1, 48, spaced, &buf, &buflen)); + } + p = tmp; + p += SPRINTF((p, "; ")); + for (m = 0; m < n; m++) + *p++ = (isascii(rdata[m]) && isprint(rdata[m])) + ? rdata[m] + : '.'; + T(addstr(tmp, p - tmp, &buf, &buflen)); + rdata += n; + } + return (buf - obuf); + } +} + +/* Private. */ + +/*% + * size_t + * prune_origin(name, origin) + * Find out if the name is at or under the current origin. + * return: + * Number of characters in name before start of origin, + * or length of name if origin does not match. + * notes: + * This function should share code with samedomain(). + */ +static size_t +prune_origin(const char *name, const char *origin) { + const char *oname = name; + + while (*name != '\0') { + if (origin != NULL && ns_samename(name, origin) == 1) + return (name - oname - (name > oname)); + while (*name != '\0') { + if (*name == '\\') { + name++; + /* XXX need to handle \nnn form. */ + if (*name == '\0') + break; + } else if (*name == '.') { + name++; + break; + } + name++; + } + } + return (name - oname); +} + +/*% + * int + * charstr(rdata, edata, buf, buflen) + * Format a <character-string> into the presentation buffer. + * return: + * Number of rdata octets consumed + * 0 for protocol format error + * -1 for output buffer error + * side effects: + * buffer is advanced on success. + */ +static int +charstr(const u_char *rdata, const u_char *edata, char **buf, size_t *buflen) { + const u_char *odata = rdata; + size_t save_buflen = *buflen; + char *save_buf = *buf; + + if (addstr("\"", 1, buf, buflen) < 0) + goto enospc; + if (rdata < edata) { + int n = *rdata; + + if (rdata + 1 + n <= edata) { + rdata++; + while (n-- > 0) { + if (strchr("\n\"\\", *rdata) != NULL) + if (addstr("\\", 1, buf, buflen) < 0) + goto enospc; + if (addstr((const char *)rdata, 1, + buf, buflen) < 0) + goto enospc; + rdata++; + } + } + } + if (addstr("\"", 1, buf, buflen) < 0) + goto enospc; + return (rdata - odata); + enospc: + errno = ENOSPC; + *buf = save_buf; + *buflen = save_buflen; + return (-1); +} + +static int +addname(const u_char *msg, size_t msglen, + const u_char **pp, const char *origin, + char **buf, size_t *buflen) +{ + size_t newlen, save_buflen = *buflen; + char *save_buf = *buf; + int n; + + n = dn_expand(msg, msg + msglen, *pp, *buf, *buflen); + if (n < 0) + goto enospc; /*%< Guess. */ + newlen = prune_origin(*buf, origin); + if (**buf == '\0') { + goto root; + } else if (newlen == 0U) { + /* Use "@" instead of name. */ + if (newlen + 2 > *buflen) + goto enospc; /* No room for "@\0". */ + (*buf)[newlen++] = '@'; + (*buf)[newlen] = '\0'; + } else { + if (((origin == NULL || origin[0] == '\0') || + (origin[0] != '.' && origin[1] != '\0' && + (*buf)[newlen] == '\0')) && (*buf)[newlen - 1] != '.') { + /* No trailing dot. */ + root: + if (newlen + 2 > *buflen) + goto enospc; /* No room for ".\0". */ + (*buf)[newlen++] = '.'; + (*buf)[newlen] = '\0'; + } + } + *pp += n; + addlen(newlen, buf, buflen); + **buf = '\0'; + return (newlen); + enospc: + errno = ENOSPC; + *buf = save_buf; + *buflen = save_buflen; + return (-1); +} + +static void +addlen(size_t len, char **buf, size_t *buflen) { + INSIST(len <= *buflen); + *buf += len; + *buflen -= len; +} + +static int +addstr(const char *src, size_t len, char **buf, size_t *buflen) { + if (len >= *buflen) { + errno = ENOSPC; + return (-1); + } + memcpy(*buf, src, len); + addlen(len, buf, buflen); + **buf = '\0'; + return (0); +} + +static int +addtab(size_t len, size_t target, int spaced, char **buf, size_t *buflen) { + size_t save_buflen = *buflen; + char *save_buf = *buf; + int t; + + if (spaced || len >= target - 1) { + T(addstr(" ", 2, buf, buflen)); + spaced = 1; + } else { + for (t = (target - len - 1) / 8; t >= 0; t--) + if (addstr("\t", 1, buf, buflen) < 0) { + *buflen = save_buflen; + *buf = save_buf; + return (-1); + } + spaced = 0; + } + return (spaced); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/nameser/ns_ttl.c b/freebsd-userspace/lib/libc/nameser/ns_ttl.c new file mode 100644 index 00000000..821c531f --- /dev/null +++ b/freebsd-userspace/lib/libc/nameser/ns_ttl.c @@ -0,0 +1,164 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996,1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef lint +static const char rcsid[] = "$Id: ns_ttl.c,v 1.2.18.2 2005/07/28 07:38:10 marka Exp $"; +#endif + +/* Import. */ + +#include "port_before.h" + +#include <arpa/nameser.h> + +#include <ctype.h> +#include <errno.h> +#include <stdio.h> +#include <string.h> + +#include "port_after.h" + +#ifdef SPRINTF_CHAR +# define SPRINTF(x) strlen(sprintf/**/x) +#else +# define SPRINTF(x) ((size_t)sprintf x) +#endif + +/* Forward. */ + +static int fmt1(int t, char s, char **buf, size_t *buflen); + +/* Macros. */ + +#define T(x) if ((x) < 0) return (-1); else (void)NULL + +/* Public. */ + +int +ns_format_ttl(u_long src, char *dst, size_t dstlen) { + char *odst = dst; + int secs, mins, hours, days, weeks, x; + char *p; + + secs = src % 60; src /= 60; + mins = src % 60; src /= 60; + hours = src % 24; src /= 24; + days = src % 7; src /= 7; + weeks = src; src = 0; + + x = 0; + if (weeks) { + T(fmt1(weeks, 'W', &dst, &dstlen)); + x++; + } + if (days) { + T(fmt1(days, 'D', &dst, &dstlen)); + x++; + } + if (hours) { + T(fmt1(hours, 'H', &dst, &dstlen)); + x++; + } + if (mins) { + T(fmt1(mins, 'M', &dst, &dstlen)); + x++; + } + if (secs || !(weeks || days || hours || mins)) { + T(fmt1(secs, 'S', &dst, &dstlen)); + x++; + } + + if (x > 1) { + int ch; + + for (p = odst; (ch = *p) != '\0'; p++) + if (isascii(ch) && isupper(ch)) + *p = tolower(ch); + } + + return (dst - odst); +} + +int +ns_parse_ttl(const char *src, u_long *dst) { + u_long ttl, tmp; + int ch, digits, dirty; + + ttl = 0; + tmp = 0; + digits = 0; + dirty = 0; + while ((ch = *src++) != '\0') { + if (!isascii(ch) || !isprint(ch)) + goto einval; + if (isdigit(ch)) { + tmp *= 10; + tmp += (ch - '0'); + digits++; + continue; + } + if (digits == 0) + goto einval; + if (islower(ch)) + ch = toupper(ch); + switch (ch) { + case 'W': tmp *= 7; + case 'D': tmp *= 24; + case 'H': tmp *= 60; + case 'M': tmp *= 60; + case 'S': break; + default: goto einval; + } + ttl += tmp; + tmp = 0; + digits = 0; + dirty = 1; + } + if (digits > 0) { + if (dirty) + goto einval; + else + ttl += tmp; + } else if (!dirty) + goto einval; + *dst = ttl; + return (0); + + einval: + errno = EINVAL; + return (-1); +} + +/* Private. */ + +static int +fmt1(int t, char s, char **buf, size_t *buflen) { + char tmp[50]; + size_t len; + + len = SPRINTF((tmp, "%d%c", t, s)); + if (len + 1 > *buflen) + return (-1); + strcpy(*buf, tmp); + *buf += len; + *buflen -= len; + return (0); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/net/if_indextoname.c b/freebsd-userspace/lib/libc/net/if_indextoname.c new file mode 100644 index 00000000..efbcae86 --- /dev/null +++ b/freebsd-userspace/lib/libc/net/if_indextoname.c @@ -0,0 +1,90 @@ +#include "port_before.h" + +/* $KAME: if_indextoname.c,v 1.7 2000/11/08 03:09:30 itojun Exp $ */ + +/*- + * Copyright (c) 1997, 2000 + * Berkeley Software Design, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * BSDI Id: if_indextoname.c,v 2.3 2000/04/17 22:38:05 dab Exp + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if_dl.h> +#include <net/if.h> +#include <ifaddrs.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +/* + * From RFC 2533: + * + * The second function maps an interface index into its corresponding + * name. + * + * #include <net/if.h> + * + * char *if_indextoname(unsigned int ifindex, char *ifname); + * + * The ifname argument must point to a buffer of at least IF_NAMESIZE + * bytes into which the interface name corresponding to the specified + * index is returned. (IF_NAMESIZE is also defined in <net/if.h> and + * its value includes a terminating null byte at the end of the + * interface name.) This pointer is also the return value of the + * function. If there is no interface corresponding to the specified + * index, NULL is returned, and errno is set to ENXIO, if there was a + * system error (such as running out of memory), if_indextoname returns + * NULL and errno would be set to the proper value (e.g., ENOMEM). + */ + +char * +if_indextoname(unsigned int ifindex, char *ifname) +{ + struct ifaddrs *ifaddrs, *ifa; + int error = 0; + + if (getifaddrs(&ifaddrs) < 0) + return(NULL); /* getifaddrs properly set errno */ + + for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && + ifa->ifa_addr->sa_family == AF_LINK && + ifindex == ((struct sockaddr_dl*)ifa->ifa_addr)->sdl_index) + break; + } + + if (ifa == NULL) { + error = ENXIO; + ifname = NULL; + } + else + strncpy(ifname, ifa->ifa_name, IFNAMSIZ); + + freeifaddrs(ifaddrs); + + errno = error; + return(ifname); +} diff --git a/freebsd-userspace/lib/libc/net/if_nameindex.c b/freebsd-userspace/lib/libc/net/if_nameindex.c new file mode 100644 index 00000000..85073759 --- /dev/null +++ b/freebsd-userspace/lib/libc/net/if_nameindex.c @@ -0,0 +1,149 @@ +#include "port_before.h" + +/* $KAME: if_nameindex.c,v 1.8 2000/11/24 08:20:01 itojun Exp $ */ + +/*- + * Copyright (c) 1997, 2000 + * Berkeley Software Design, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * BSDI Id: if_nameindex.c,v 2.3 2000/04/17 22:38:05 dab Exp + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if_dl.h> +#include <net/if.h> +#include <ifaddrs.h> +#include <stdlib.h> +#include <string.h> + +/* + * From RFC 2553: + * + * 4.3 Return All Interface Names and Indexes + * + * The if_nameindex structure holds the information about a single + * interface and is defined as a result of including the <net/if.h> + * header. + * + * struct if_nameindex { + * unsigned int if_index; + * char *if_name; + * }; + * + * The final function returns an array of if_nameindex structures, one + * structure per interface. + * + * struct if_nameindex *if_nameindex(void); + * + * The end of the array of structures is indicated by a structure with + * an if_index of 0 and an if_name of NULL. The function returns a NULL + * pointer upon an error, and would set errno to the appropriate value. + * + * The memory used for this array of structures along with the interface + * names pointed to by the if_name members is obtained dynamically. + * This memory is freed by the next function. + * + * 4.4. Free Memory + * + * The following function frees the dynamic memory that was allocated by + * if_nameindex(). + * + * #include <net/if.h> + * + * void if_freenameindex(struct if_nameindex *ptr); + * + * The argument to this function must be a pointer that was returned by + * if_nameindex(). + */ + +struct if_nameindex * +if_nameindex(void) +{ + struct ifaddrs *ifaddrs, *ifa; + unsigned int ni; + int nbytes; + struct if_nameindex *ifni, *ifni2; + char *cp; + + if (getifaddrs(&ifaddrs) < 0) + return(NULL); + + /* + * First, find out how many interfaces there are, and how + * much space we need for the string names. + */ + ni = 0; + nbytes = 0; + for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && + ifa->ifa_addr->sa_family == AF_LINK) { + nbytes += strlen(ifa->ifa_name) + 1; + ni++; + } + } + + /* + * Next, allocate a chunk of memory, use the first part + * for the array of structures, and the last part for + * the strings. + */ + cp = malloc((ni + 1) * sizeof(struct if_nameindex) + nbytes); + ifni = (struct if_nameindex *)cp; + if (ifni == NULL) + goto out; + cp += (ni + 1) * sizeof(struct if_nameindex); + + /* + * Now just loop through the list of interfaces again, + * filling in the if_nameindex array and making copies + * of all the strings. + */ + ifni2 = ifni; + for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next) { + if (ifa->ifa_addr && + ifa->ifa_addr->sa_family == AF_LINK) { + ifni2->if_index = + ((struct sockaddr_dl*)ifa->ifa_addr)->sdl_index; + ifni2->if_name = cp; + strcpy(cp, ifa->ifa_name); + ifni2++; + cp += strlen(cp) + 1; + } + } + /* + * Finally, don't forget to terminate the array. + */ + ifni2->if_index = 0; + ifni2->if_name = NULL; +out: + freeifaddrs(ifaddrs); + return(ifni); +} + +void +if_freenameindex(struct if_nameindex *ptr) +{ + free(ptr); +} diff --git a/freebsd-userspace/lib/libc/net/linkaddr.c b/freebsd-userspace/lib/libc/net/linkaddr.c new file mode 100644 index 00000000..761b5ae5 --- /dev/null +++ b/freebsd-userspace/lib/libc/net/linkaddr.c @@ -0,0 +1,158 @@ +#include "port_before.h" + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)linkaddr.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/socket.h> +#include <net/if_dl.h> +#include <string.h> + +/* States*/ +#define NAMING 0 +#define GOTONE 1 +#define GOTTWO 2 +#define RESET 3 +/* Inputs */ +#define DIGIT (4*0) +#define END (4*1) +#define DELIM (4*2) +#define LETTER (4*3) + +void +link_addr(addr, sdl) + const char *addr; + struct sockaddr_dl *sdl; +{ + char *cp = sdl->sdl_data; + char *cplim = sdl->sdl_len + (char *)sdl; + int byte = 0, state = NAMING, new; + + bzero((char *)&sdl->sdl_family, sdl->sdl_len - 1); + sdl->sdl_family = AF_LINK; + do { + state &= ~LETTER; + if ((*addr >= '0') && (*addr <= '9')) { + new = *addr - '0'; + } else if ((*addr >= 'a') && (*addr <= 'f')) { + new = *addr - 'a' + 10; + } else if ((*addr >= 'A') && (*addr <= 'F')) { + new = *addr - 'A' + 10; + } else if (*addr == 0) { + state |= END; + } else if (state == NAMING && + (((*addr >= 'A') && (*addr <= 'Z')) || + ((*addr >= 'a') && (*addr <= 'z')))) + state |= LETTER; + else + state |= DELIM; + addr++; + switch (state /* | INPUT */) { + case NAMING | DIGIT: + case NAMING | LETTER: + *cp++ = addr[-1]; + continue; + case NAMING | DELIM: + state = RESET; + sdl->sdl_nlen = cp - sdl->sdl_data; + continue; + case GOTTWO | DIGIT: + *cp++ = byte; + /* FALLTHROUGH */ + case RESET | DIGIT: + state = GOTONE; + byte = new; + continue; + case GOTONE | DIGIT: + state = GOTTWO; + byte = new + (byte << 4); + continue; + default: /* | DELIM */ + state = RESET; + *cp++ = byte; + byte = 0; + continue; + case GOTONE | END: + case GOTTWO | END: + *cp++ = byte; + /* FALLTHROUGH */ + case RESET | END: + break; + } + break; + } while (cp < cplim); + sdl->sdl_alen = cp - LLADDR(sdl); + new = cp - (char *)sdl; + if (new > sizeof(*sdl)) + sdl->sdl_len = new; + return; +} + +static char hexlist[] = "0123456789abcdef"; + +char * +link_ntoa(sdl) + const struct sockaddr_dl *sdl; +{ + static char obuf[64]; + char *out = obuf; + int i; + u_char *in = (u_char *)LLADDR(sdl); + u_char *inlim = in + sdl->sdl_alen; + int firsttime = 1; + + if (sdl->sdl_nlen) { + bcopy(sdl->sdl_data, obuf, sdl->sdl_nlen); + out += sdl->sdl_nlen; + if (sdl->sdl_alen) + *out++ = ':'; + } + while (in < inlim) { + if (firsttime) + firsttime = 0; + else + *out++ = '.'; + i = *in++; + if (i > 0xf) { + out[1] = hexlist[i & 0xf]; + i >>= 4; + out[0] = hexlist[i]; + out += 2; + } else + *out++ = hexlist[i]; + } + *out = 0; + return (obuf); +} diff --git a/freebsd-userspace/lib/libc/net/map_v4v6.c b/freebsd-userspace/lib/libc/net/map_v4v6.c new file mode 100644 index 00000000..000ed9e2 --- /dev/null +++ b/freebsd-userspace/lib/libc/net/map_v4v6.c @@ -0,0 +1,121 @@ +#include "port_before.h" + +/* + * ++Copyright++ 1985, 1988, 1993 + * - + * Copyright (c) 1985, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * - + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * - + * --Copyright-- + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)gethostnamadr.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <stdio.h> +#include <string.h> +#include <netdb.h> +#include <resolv.h> +#include <ctype.h> +#include <syslog.h> + +typedef union { + int32_t al; + char ac; +} align; + +void +_map_v4v6_address(const char *src, char *dst) +{ + u_char *p = (u_char *)dst; + char tmp[NS_INADDRSZ]; + int i; + + /* Stash a temporary copy so our caller can update in place. */ + memcpy(tmp, src, NS_INADDRSZ); + /* Mark this ipv6 addr as a mapped ipv4. */ + for (i = 0; i < 10; i++) + *p++ = 0x00; + *p++ = 0xff; + *p++ = 0xff; + /* Retrieve the saved copy and we're done. */ + memcpy((void*)p, tmp, NS_INADDRSZ); +} + +void +_map_v4v6_hostent(struct hostent *hp, char **bpp, char *ep) { + char **ap; + + if (hp->h_addrtype != AF_INET || hp->h_length != INADDRSZ) + return; + hp->h_addrtype = AF_INET6; + hp->h_length = IN6ADDRSZ; + for (ap = hp->h_addr_list; *ap; ap++) { + int i = (u_long)*bpp % sizeof(align); + + if (i != 0) + i = sizeof(align) - i; + + if ((ep - *bpp) < (i + IN6ADDRSZ)) { + /* Out of memory. Truncate address list here. */ + *ap = NULL; + return; + } + *bpp += i; + _map_v4v6_address(*ap, *bpp); + *ap = *bpp; + *bpp += IN6ADDRSZ; + } +} diff --git a/freebsd-userspace/lib/libc/net/rcmd.c b/freebsd-userspace/lib/libc/net/rcmd.c new file mode 100644 index 00000000..1045e88b --- /dev/null +++ b/freebsd-userspace/lib/libc/net/rcmd.c @@ -0,0 +1,763 @@ +#include "port_before.h" + +/* + * Copyright (c) 1983, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)rcmd.c 8.3 (Berkeley) 3/26/94"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "namespace.h" +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/stat.h> + +#include <netinet/in.h> +#include <arpa/inet.h> + +#include <signal.h> +#include <fcntl.h> +#include <netdb.h> +#include <stdlib.h> +#include <unistd.h> +#include <pwd.h> +#include <errno.h> +#include <stdio.h> +#include <ctype.h> +#include <string.h> +#include <rpc/rpc.h> +#ifdef YP +#include <rpcsvc/yp_prot.h> +#include <rpcsvc/ypclnt.h> +#endif +#include <arpa/nameser.h> +#include "un-namespace.h" + +extern int innetgr( const char *, const char *, const char *, const char * ); + +#define max(a, b) ((a > b) ? a : b) + +int __ivaliduser(FILE *, u_int32_t, const char *, const char *); +int __ivaliduser_af(FILE *,const void *, const char *, const char *, int, int); +int __ivaliduser_sa(FILE *, const struct sockaddr *, socklen_t, const char *, + const char *); +static int __icheckhost(const struct sockaddr *, socklen_t, const char *); + +char paddr[NI_MAXHOST]; + +int +rcmd(ahost, rport, locuser, remuser, cmd, fd2p) + char **ahost; + u_short rport; + const char *locuser, *remuser, *cmd; + int *fd2p; +{ + return rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, AF_INET); +} + +int +rcmd_af(ahost, rport, locuser, remuser, cmd, fd2p, af) + char **ahost; + u_short rport; + const char *locuser, *remuser, *cmd; + int *fd2p; + int af; +{ + struct addrinfo hints, *res, *ai; + struct sockaddr_storage from; + fd_set reads; + sigset_t oldmask, newmask; + pid_t pid; + int s, aport, lport, timo, error; + char c, *p; + int refused, nres; + char num[8]; + static char canonnamebuf[MAXDNAME]; /* is it proper here? */ + + /* call rcmdsh() with specified remote shell if appropriate. */ + if (!issetugid() && (p = getenv("RSH"))) { + struct servent *sp = getservbyname("shell", "tcp"); + + if (sp && sp->s_port == rport) + return (rcmdsh(ahost, rport, locuser, remuser, + cmd, p)); + } + + /* use rsh(1) if non-root and remote port is shell. */ + if (geteuid()) { + struct servent *sp = getservbyname("shell", "tcp"); + + if (sp && sp->s_port == rport) + return (rcmdsh(ahost, rport, locuser, remuser, + cmd, NULL)); + } + + pid = getpid(); + + memset(&hints, 0, sizeof(hints)); + hints.ai_flags = AI_CANONNAME; + hints.ai_family = af; + hints.ai_socktype = SOCK_STREAM; + hints.ai_protocol = 0; + (void)snprintf(num, sizeof(num), "%d", ntohs(rport)); + error = getaddrinfo(*ahost, num, &hints, &res); + if (error) { + fprintf(stderr, "rcmd: getaddrinfo: %s\n", + gai_strerror(error)); + if (error == EAI_SYSTEM) + fprintf(stderr, "rcmd: getaddrinfo: %s\n", + strerror(errno)); + return (-1); + } + + if (res->ai_canonname + && strlen(res->ai_canonname) + 1 < sizeof(canonnamebuf)) { + strncpy(canonnamebuf, res->ai_canonname, sizeof(canonnamebuf)); + *ahost = canonnamebuf; + } + nres = 0; + for (ai = res; ai; ai = ai->ai_next) + nres++; + ai = res; + refused = 0; + sigemptyset(&newmask); + sigaddset(&newmask, SIGURG); + _sigprocmask(SIG_BLOCK, (const sigset_t *)&newmask, &oldmask); + for (timo = 1, lport = IPPORT_RESERVED - 1;;) { + s = rresvport_af(&lport, ai->ai_family); + if (s < 0) { + if (errno != EAGAIN && ai->ai_next) { + ai = ai->ai_next; + continue; + } + if (errno == EAGAIN) + (void)fprintf(stderr, + "rcmd: socket: All ports in use\n"); + else + (void)fprintf(stderr, "rcmd: socket: %s\n", + strerror(errno)); + freeaddrinfo(res); + _sigprocmask(SIG_SETMASK, (const sigset_t *)&oldmask, + NULL); + return (-1); + } + _fcntl(s, F_SETOWN, pid); + if (_connect(s, ai->ai_addr, ai->ai_addrlen) >= 0) + break; + (void)_close(s); + if (errno == EADDRINUSE) { + lport--; + continue; + } + if (errno == ECONNREFUSED) + refused = 1; + if (ai->ai_next == NULL && (!refused || timo > 16)) { + (void)fprintf(stderr, "%s: %s\n", + *ahost, strerror(errno)); + freeaddrinfo(res); + _sigprocmask(SIG_SETMASK, (const sigset_t *)&oldmask, + NULL); + return (-1); + } + if (nres > 1) { + int oerrno = errno; + + getnameinfo(ai->ai_addr, ai->ai_addrlen, paddr, + sizeof(paddr), NULL, 0, NI_NUMERICHOST); + (void)fprintf(stderr, "connect to address %s: ", + paddr); + errno = oerrno; + perror(0); + } + if ((ai = ai->ai_next) == NULL) { + /* refused && timo <= 16 */ + struct timespec time_to_sleep, time_remaining; + + time_to_sleep.tv_sec = timo; + time_to_sleep.tv_nsec = 0; + (void)_nanosleep(&time_to_sleep, &time_remaining); + timo *= 2; + ai = res; + refused = 0; + } + if (nres > 1) { + getnameinfo(ai->ai_addr, ai->ai_addrlen, paddr, + sizeof(paddr), NULL, 0, NI_NUMERICHOST); + fprintf(stderr, "Trying %s...\n", paddr); + } + } + lport--; + if (fd2p == 0) { + _write(s, "", 1); + lport = 0; + } else { + int s2 = rresvport_af(&lport, ai->ai_family), s3; + socklen_t len = ai->ai_addrlen; + int nfds; + + if (s2 < 0) + goto bad; + _listen(s2, 1); + (void)snprintf(num, sizeof(num), "%d", lport); + if (_write(s, num, strlen(num)+1) != strlen(num)+1) { + (void)fprintf(stderr, + "rcmd: write (setting up stderr): %s\n", + strerror(errno)); + (void)_close(s2); + goto bad; + } + nfds = max(s, s2)+1; + if(nfds > FD_SETSIZE) { + fprintf(stderr, "rcmd: too many files\n"); + (void)_close(s2); + goto bad; + } +again: + FD_ZERO(&reads); + FD_SET(s, &reads); + FD_SET(s2, &reads); + errno = 0; + if (_select(nfds, &reads, 0, 0, 0) < 1 || !FD_ISSET(s2, &reads)){ + if (errno != 0) + (void)fprintf(stderr, + "rcmd: select (setting up stderr): %s\n", + strerror(errno)); + else + (void)fprintf(stderr, + "select: protocol failure in circuit setup\n"); + (void)_close(s2); + goto bad; + } + s3 = _accept(s2, (struct sockaddr *)&from, &len); + switch (from.ss_family) { + case AF_INET: + aport = ntohs(((struct sockaddr_in *)&from)->sin_port); + break; +#ifdef INET6 + case AF_INET6: + aport = ntohs(((struct sockaddr_in6 *)&from)->sin6_port); + break; +#endif + default: + aport = 0; /* error */ + break; + } + /* + * XXX careful for ftp bounce attacks. If discovered, shut them + * down and check for the real auxiliary channel to connect. + */ + if (aport == 20) { + _close(s3); + goto again; + } + (void)_close(s2); + if (s3 < 0) { + (void)fprintf(stderr, + "rcmd: accept: %s\n", strerror(errno)); + lport = 0; + goto bad; + } + *fd2p = s3; + if (aport >= IPPORT_RESERVED || aport < IPPORT_RESERVED / 2) { + (void)fprintf(stderr, + "socket: protocol failure in circuit setup.\n"); + goto bad2; + } + } + (void)_write(s, locuser, strlen(locuser)+1); + (void)_write(s, remuser, strlen(remuser)+1); + (void)_write(s, cmd, strlen(cmd)+1); + if (_read(s, &c, 1) != 1) { + (void)fprintf(stderr, + "rcmd: %s: %s\n", *ahost, strerror(errno)); + goto bad2; + } + if (c != 0) { + while (_read(s, &c, 1) == 1) { + (void)_write(STDERR_FILENO, &c, 1); + if (c == '\n') + break; + } + goto bad2; + } + _sigprocmask(SIG_SETMASK, (const sigset_t *)&oldmask, NULL); + freeaddrinfo(res); + return (s); +bad2: + if (lport) + (void)_close(*fd2p); +bad: + (void)_close(s); + _sigprocmask(SIG_SETMASK, (const sigset_t *)&oldmask, NULL); + freeaddrinfo(res); + return (-1); +} + +int +rresvport(port) + int *port; +{ + return rresvport_af(port, AF_INET); +} + +int +rresvport_af(alport, family) + int *alport, family; +{ + int s; + struct sockaddr_storage ss; + u_short *sport; + + memset(&ss, 0, sizeof(ss)); + ss.ss_family = family; + switch (family) { + case AF_INET: + ((struct sockaddr *)&ss)->sa_len = sizeof(struct sockaddr_in); + sport = &((struct sockaddr_in *)&ss)->sin_port; + ((struct sockaddr_in *)&ss)->sin_addr.s_addr = INADDR_ANY; + break; +#ifdef INET6 + case AF_INET6: + ((struct sockaddr *)&ss)->sa_len = sizeof(struct sockaddr_in6); + sport = &((struct sockaddr_in6 *)&ss)->sin6_port; + ((struct sockaddr_in6 *)&ss)->sin6_addr = in6addr_any; + break; +#endif + default: + errno = EAFNOSUPPORT; + return -1; + } + + s = _socket(ss.ss_family, SOCK_STREAM, 0); + if (s < 0) + return (-1); +#if 0 /* compat_exact_traditional_rresvport_semantics */ + sin.sin_port = htons((u_short)*alport); + if (_bind(s, (struct sockaddr *)&sin, sizeof(sin)) >= 0) + return (s); + if (errno != EADDRINUSE) { + (void)_close(s); + return (-1); + } +#endif + *sport = 0; + if (bindresvport_sa(s, (struct sockaddr *)&ss) == -1) { + (void)_close(s); + return (-1); + } + *alport = (int)ntohs(*sport); + return (s); +} + +int __check_rhosts_file = 1; +char *__rcmd_errstr; + +int +ruserok(rhost, superuser, ruser, luser) + const char *rhost, *ruser, *luser; + int superuser; +{ + struct addrinfo hints, *res, *r; + int error; + + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_DGRAM; /*dummy*/ + error = getaddrinfo(rhost, "0", &hints, &res); + if (error) + return (-1); + + for (r = res; r; r = r->ai_next) { + if (iruserok_sa(r->ai_addr, r->ai_addrlen, superuser, ruser, + luser) == 0) { + freeaddrinfo(res); + return (0); + } + } + freeaddrinfo(res); + return (-1); +} + +/* + * New .rhosts strategy: We are passed an ip address. We spin through + * hosts.equiv and .rhosts looking for a match. When the .rhosts only + * has ip addresses, we don't have to trust a nameserver. When it + * contains hostnames, we spin through the list of addresses the nameserver + * gives us and look for a match. + * + * Returns 0 if ok, -1 if not ok. + */ +int +iruserok(raddr, superuser, ruser, luser) + unsigned long raddr; + int superuser; + const char *ruser, *luser; +{ + struct sockaddr_in sin; + + memset(&sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_len = sizeof(struct sockaddr_in); + memcpy(&sin.sin_addr, &raddr, sizeof(sin.sin_addr)); + return iruserok_sa((struct sockaddr *)&sin, sin.sin_len, superuser, + ruser, luser); +} + +/* + * AF independent extension of iruserok. + * + * Returns 0 if ok, -1 if not ok. + */ +int +iruserok_sa(ra, rlen, superuser, ruser, luser) + const void *ra; + int rlen; + int superuser; + const char *ruser, *luser; +{ + char *cp; + struct stat sbuf; + struct passwd *pwd; + FILE *hostf; + uid_t uid; + int first; + char pbuf[MAXPATHLEN]; + const struct sockaddr *raddr; + struct sockaddr_storage ss; + + /* avoid alignment issue */ + if (rlen > sizeof(ss)) + return(-1); + memcpy(&ss, ra, rlen); + raddr = (struct sockaddr *)&ss; + + first = 1; + hostf = superuser ? NULL : fopen(_PATH_HEQUIV, "r"); +again: + if (hostf) { + if (__ivaliduser_sa(hostf, raddr, rlen, luser, ruser) == 0) { + (void)fclose(hostf); + return (0); + } + (void)fclose(hostf); + } + if (first == 1 && (__check_rhosts_file || superuser)) { + first = 0; + if ((pwd = getpwnam(luser)) == NULL) + return (-1); + (void)strcpy(pbuf, pwd->pw_dir); + (void)strcat(pbuf, "/.rhosts"); + + /* + * Change effective uid while opening .rhosts. If root and + * reading an NFS mounted file system, can't read files that + * are protected read/write owner only. + */ + uid = geteuid(); + (void)seteuid(pwd->pw_uid); + hostf = fopen(pbuf, "r"); + (void)seteuid(uid); + + if (hostf == NULL) + return (-1); + /* + * If not a regular file, or is owned by someone other than + * user or root or if writeable by anyone but the owner, quit. + */ + cp = NULL; + if (lstat(pbuf, &sbuf) < 0) + cp = ".rhosts lstat failed"; + else if (!S_ISREG(sbuf.st_mode)) + cp = ".rhosts not regular file"; + else if (_fstat(fileno(hostf), &sbuf) < 0) + cp = ".rhosts fstat failed"; + else if (sbuf.st_uid && sbuf.st_uid != pwd->pw_uid) + cp = "bad .rhosts owner"; + else if (sbuf.st_mode & (S_IWGRP|S_IWOTH)) + cp = ".rhosts writeable by other than owner"; + /* If there were any problems, quit. */ + if (cp) { + __rcmd_errstr = cp; + (void)fclose(hostf); + return (-1); + } + goto again; + } + return (-1); +} + +/* + * XXX + * Don't make static, used by lpd(8). + * + * Returns 0 if ok, -1 if not ok. + */ +int +__ivaliduser(hostf, raddr, luser, ruser) + FILE *hostf; + u_int32_t raddr; + const char *luser, *ruser; +{ + struct sockaddr_in sin; + + memset(&sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_len = sizeof(struct sockaddr_in); + memcpy(&sin.sin_addr, &raddr, sizeof(sin.sin_addr)); + return __ivaliduser_sa(hostf, (struct sockaddr *)&sin, sin.sin_len, + luser, ruser); +} + +/* + * Returns 0 if ok, -1 if not ok. + * + * XXX obsolete API. + */ +int +__ivaliduser_af(hostf, raddr, luser, ruser, af, len) + FILE *hostf; + const void *raddr; + const char *luser, *ruser; + int af, len; +{ + struct sockaddr *sa = NULL; + struct sockaddr_in *sin = NULL; +#ifdef INET6 + struct sockaddr_in6 *sin6 = NULL; +#endif + struct sockaddr_storage ss; + + memset(&ss, 0, sizeof(ss)); + switch (af) { + case AF_INET: + if (len != sizeof(sin->sin_addr)) + return -1; + sin = (struct sockaddr_in *)&ss; + sin->sin_family = AF_INET; + sin->sin_len = sizeof(struct sockaddr_in); + memcpy(&sin->sin_addr, raddr, sizeof(sin->sin_addr)); + break; +#ifdef INET6 + case AF_INET6: + if (len != sizeof(sin6->sin6_addr)) + return -1; + /* you will lose scope info */ + sin6 = (struct sockaddr_in6 *)&ss; + sin6->sin6_family = AF_INET6; + sin6->sin6_len = sizeof(struct sockaddr_in6); + memcpy(&sin6->sin6_addr, raddr, sizeof(sin6->sin6_addr)); + break; +#endif + default: + return -1; + } + + sa = (struct sockaddr *)&ss; + return __ivaliduser_sa(hostf, sa, sa->sa_len, luser, ruser); +} + +int +__ivaliduser_sa(hostf, raddr, salen, luser, ruser) + FILE *hostf; + const struct sockaddr *raddr; + socklen_t salen; + const char *luser, *ruser; +{ + char *user, *p; + int ch; + char buf[MAXHOSTNAMELEN + 128]; /* host + login */ + char hname[MAXHOSTNAMELEN]; + /* Presumed guilty until proven innocent. */ + int userok = 0, hostok = 0; +#ifdef YP + char *ypdomain; + + if (yp_get_default_domain(&ypdomain)) + ypdomain = NULL; +#else +#define ypdomain NULL +#endif + /* We need to get the damn hostname back for netgroup matching. */ + if (getnameinfo(raddr, salen, hname, sizeof(hname), NULL, 0, + NI_NAMEREQD) != 0) + hname[0] = '\0'; + + while (fgets(buf, sizeof(buf), hostf)) { + p = buf; + /* Skip lines that are too long. */ + if (strchr(p, '\n') == NULL) { + while ((ch = getc(hostf)) != '\n' && ch != EOF); + continue; + } + if (*p == '\n' || *p == '#') { + /* comment... */ + continue; + } + while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0') { + *p = isupper((unsigned char)*p) ? tolower((unsigned char)*p) : *p; + p++; + } + if (*p == ' ' || *p == '\t') { + *p++ = '\0'; + while (*p == ' ' || *p == '\t') + p++; + user = p; + while (*p != '\n' && *p != ' ' && + *p != '\t' && *p != '\0') + p++; + } else + user = p; + *p = '\0'; + /* + * Do +/- and +@/-@ checking. This looks really nasty, + * but it matches SunOS's behavior so far as I can tell. + */ + switch(buf[0]) { + case '+': + if (!buf[1]) { /* '+' matches all hosts */ + hostok = 1; + break; + } + if (buf[1] == '@') /* match a host by netgroup */ + hostok = hname[0] != '\0' && + innetgr(&buf[2], hname, NULL, ypdomain); + else /* match a host by addr */ + hostok = __icheckhost(raddr, salen, + (char *)&buf[1]); + break; + case '-': /* reject '-' hosts and all their users */ + if (buf[1] == '@') { + if (hname[0] == '\0' || + innetgr(&buf[2], hname, NULL, ypdomain)) + return(-1); + } else { + if (__icheckhost(raddr, salen, + (char *)&buf[1])) + return(-1); + } + break; + default: /* if no '+' or '-', do a simple match */ + hostok = __icheckhost(raddr, salen, buf); + break; + } + switch(*user) { + case '+': + if (!*(user+1)) { /* '+' matches all users */ + userok = 1; + break; + } + if (*(user+1) == '@') /* match a user by netgroup */ + userok = innetgr(user+2, NULL, ruser, ypdomain); + else /* match a user by direct specification */ + userok = !(strcmp(ruser, user+1)); + break; + case '-': /* if we matched a hostname, */ + if (hostok) { /* check for user field rejections */ + if (!*(user+1)) + return(-1); + if (*(user+1) == '@') { + if (innetgr(user+2, NULL, + ruser, ypdomain)) + return(-1); + } else { + if (!strcmp(ruser, user+1)) + return(-1); + } + } + break; + default: /* no rejections: try to match the user */ + if (hostok) + userok = !(strcmp(ruser,*user ? user : luser)); + break; + } + if (hostok && userok) + return(0); + } + return (-1); +} + +/* + * Returns "true" if match, 0 if no match. + */ +static int +__icheckhost(raddr, salen, lhost) + const struct sockaddr *raddr; + socklen_t salen; + const char *lhost; +{ + struct sockaddr_in sin; + struct sockaddr_in6 *sin6; + struct addrinfo hints, *res, *r; + int error; + char h1[NI_MAXHOST], h2[NI_MAXHOST]; + + if (raddr->sa_family == AF_INET6) { + sin6 = (struct sockaddr_in6 *)raddr; + if (IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) { + memset(&sin, 0, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_len = sizeof(struct sockaddr_in); + memcpy(&sin.sin_addr, &sin6->sin6_addr.s6_addr[12], + sizeof(sin.sin_addr)); + raddr = (struct sockaddr *)&sin; + salen = sin.sin_len; + } + } + + h1[0] = '\0'; + if (getnameinfo(raddr, salen, h1, sizeof(h1), NULL, 0, + NI_NUMERICHOST) != 0) + return (0); + + /* Resolve laddr into sockaddr */ + memset(&hints, 0, sizeof(hints)); + hints.ai_family = raddr->sa_family; + hints.ai_socktype = SOCK_DGRAM; /*XXX dummy*/ + res = NULL; + error = getaddrinfo(lhost, "0", &hints, &res); + if (error) + return (0); + + for (r = res; r ; r = r->ai_next) { + h2[0] = '\0'; + if (getnameinfo(r->ai_addr, r->ai_addrlen, h2, sizeof(h2), + NULL, 0, NI_NUMERICHOST) != 0) + continue; + if (strcmp(h1, h2) == 0) { + freeaddrinfo(res); + return (1); + } + } + + /* No match. */ + freeaddrinfo(res); + return (0); +} diff --git a/freebsd-userspace/lib/libc/net/recv.c b/freebsd-userspace/lib/libc/net/recv.c new file mode 100644 index 00000000..c625c0ac --- /dev/null +++ b/freebsd-userspace/lib/libc/net/recv.c @@ -0,0 +1,52 @@ +#include "port_before.h" + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)recv.c 8.2 (Berkeley) 2/21/94"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "namespace.h" +#include <sys/types.h> +#include <sys/socket.h> + +#include <stddef.h> +#include "un-namespace.h" + +ssize_t +recv(s, buf, len, flags) + int s, flags; + size_t len; + void *buf; +{ + return (_recvfrom(s, buf, len, flags, NULL, 0)); +} diff --git a/freebsd-userspace/lib/libc/net/send.c b/freebsd-userspace/lib/libc/net/send.c new file mode 100644 index 00000000..0ba2f4bc --- /dev/null +++ b/freebsd-userspace/lib/libc/net/send.c @@ -0,0 +1,52 @@ +#include "port_before.h" + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)send.c 8.2 (Berkeley) 2/21/94"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "namespace.h" +#include <sys/types.h> +#include <sys/socket.h> + +#include <stddef.h> +#include "un-namespace.h" + +ssize_t +send(s, msg, len, flags) + int s, flags; + size_t len; + const void *msg; +{ + return (_sendto(s, msg, len, flags, NULL, 0)); +} diff --git a/freebsd-userspace/lib/libc/resolv/herror.c b/freebsd-userspace/lib/libc/resolv/herror.c new file mode 100644 index 00000000..5a6e020e --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/herror.c @@ -0,0 +1,128 @@ +#include "port_before.h" + +/* + * Copyright (c) 1987, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)herror.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: herror.c,v 1.3.18.1 2005/04/27 05:01:09 sra Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include "namespace.h" +#include <sys/types.h> +#include <sys/param.h> +#include <sys/uio.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> + +#include <netdb.h> +#include <resolv.h> +#include <string.h> +#include <unistd.h> +#include "un-namespace.h" + +#include "port_after.h" + +const char *h_errlist[] = { + "Resolver Error 0 (no error)", + "Unknown host", /*%< 1 HOST_NOT_FOUND */ + "Host name lookup failure", /*%< 2 TRY_AGAIN */ + "Unknown server error", /*%< 3 NO_RECOVERY */ + "No address associated with name", /*%< 4 NO_ADDRESS */ +}; +const int h_nerr = { sizeof h_errlist / sizeof h_errlist[0] }; + +#undef h_errno +int h_errno; + +/*% + * herror -- + * print the error indicated by the h_errno value. + */ +void +herror(const char *s) { + struct iovec iov[4], *v = iov; + char *t; + + if (s != NULL && *s != '\0') { + DE_CONST(s, t); + v->iov_base = t; + v->iov_len = strlen(t); + v++; + DE_CONST(": ", t); + v->iov_base = t; + v->iov_len = 2; + v++; + } + DE_CONST(hstrerror(*__h_errno()), t); + v->iov_base = t; + v->iov_len = strlen(v->iov_base); + v++; + DE_CONST("\n", t); + v->iov_base = t; + v->iov_len = 1; + _writev(STDERR_FILENO, iov, (v - iov) + 1); +} + +/*% + * hstrerror -- + * return the string associated with a given "host" errno value. + */ +const char * +hstrerror(int err) { + if (err < 0) + return ("Resolver internal error"); + else if (err < h_nerr) + return (h_errlist[err]); + return ("Unknown resolver error"); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_comp.c b/freebsd-userspace/lib/libc/resolv/res_comp.c new file mode 100644 index 00000000..cbddb6be --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_comp.c @@ -0,0 +1,279 @@ +#include "port_before.h" + +/* + * Copyright (c) 1985, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_comp.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: res_comp.c,v 1.3.18.2 2005/07/28 07:38:11 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" +#include <sys/types.h> +#include <sys/param.h> +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <ctype.h> +#include <resolv.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> +#include "port_after.h" + +/*% + * Expand compressed domain name 'src' to full domain name. + * + * \li 'msg' is a pointer to the begining of the message, + * \li 'eom' points to the first location after the message, + * \li 'dst' is a pointer to a buffer of size 'dstsiz' for the result. + * \li Return size of compressed name or -1 if there was an error. + */ +int +dn_expand(const u_char *msg, const u_char *eom, const u_char *src, + char *dst, int dstsiz) +{ + int n = ns_name_uncompress(msg, eom, src, dst, (size_t)dstsiz); + + if (n > 0 && dst[0] == '.') + dst[0] = '\0'; + return (n); +} + +/*% + * Pack domain name 'exp_dn' in presentation form into 'comp_dn'. + * + * \li Return the size of the compressed name or -1. + * \li 'length' is the size of the array pointed to by 'comp_dn'. + */ +int +dn_comp(const char *src, u_char *dst, int dstsiz, + u_char **dnptrs, u_char **lastdnptr) +{ + return (ns_name_compress(src, dst, (size_t)dstsiz, + (const u_char **)dnptrs, + (const u_char **)lastdnptr)); +} + +/*% + * Skip over a compressed domain name. Return the size or -1. + */ +int +dn_skipname(const u_char *ptr, const u_char *eom) { + const u_char *saveptr = ptr; + + if (ns_name_skip(&ptr, eom) == -1) + return (-1); + return (ptr - saveptr); +} + +/*% + * Verify that a domain name uses an acceptable character set. + * + * Note the conspicuous absence of ctype macros in these definitions. On + * non-ASCII hosts, we can't depend on string literals or ctype macros to + * tell us anything about network-format data. The rest of the BIND system + * is not careful about this, but for some reason, we're doing it right here. + */ +#define PERIOD 0x2e +#define hyphenchar(c) ((c) == 0x2d) +#define bslashchar(c) ((c) == 0x5c) +#define underscorechar(c) ((c) == 0x5f) +#define periodchar(c) ((c) == PERIOD) +#define asterchar(c) ((c) == 0x2a) +#define alphachar(c) (((c) >= 0x41 && (c) <= 0x5a) \ + || ((c) >= 0x61 && (c) <= 0x7a)) +#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39) + +#define borderchar(c) (alphachar(c) || digitchar(c)) +#ifdef RES_ENFORCE_RFC1034 +#define middlechar(c) (borderchar(c) || hyphenchar(c)) +#else +#define middlechar(c) (borderchar(c) || hyphenchar(c) || underscorechar(c)) +#endif +#define domainchar(c) ((c) > 0x20 && (c) < 0x7f) + +int +res_hnok(const char *dn) { + int pch = PERIOD, ch = *dn++; + + while (ch != '\0') { + int nch = *dn++; + + if (periodchar(ch)) { + (void)NULL; + } else if (periodchar(pch)) { + if (!borderchar(ch)) + return (0); + } else if (periodchar(nch) || nch == '\0') { + if (!borderchar(ch)) + return (0); + } else { + if (!middlechar(ch)) + return (0); + } + pch = ch, ch = nch; + } + return (1); +} + +/*% + * hostname-like (A, MX, WKS) owners can have "*" as their first label + * but must otherwise be as a host name. + */ +int +res_ownok(const char *dn) { + if (asterchar(dn[0])) { + if (periodchar(dn[1])) + return (res_hnok(dn+2)); + if (dn[1] == '\0') + return (1); + } + return (res_hnok(dn)); +} + +/*% + * SOA RNAMEs and RP RNAMEs can have any printable character in their first + * label, but the rest of the name has to look like a host name. + */ +int +res_mailok(const char *dn) { + int ch, escaped = 0; + + /* "." is a valid missing representation */ + if (*dn == '\0') + return (1); + + /* otherwise <label>.<hostname> */ + while ((ch = *dn++) != '\0') { + if (!domainchar(ch)) + return (0); + if (!escaped && periodchar(ch)) + break; + if (escaped) + escaped = 0; + else if (bslashchar(ch)) + escaped = 1; + } + if (periodchar(ch)) + return (res_hnok(dn)); + return (0); +} + +/*% + * This function is quite liberal, since RFC1034's character sets are only + * recommendations. + */ +int +res_dnok(const char *dn) { + int ch; + + while ((ch = *dn++) != '\0') + if (!domainchar(ch)) + return (0); + return (1); +} + +#ifdef BIND_4_COMPAT +/*% + * This module must export the following externally-visible symbols: + * ___putlong + * ___putshort + * __getlong + * __getshort + * Note that one _ comes from C and the others come from us. + */ + +#ifdef SOLARIS2 +#ifdef __putlong +#undef __putlong +#endif +#ifdef __putshort +#undef __putshort +#endif +#pragma weak putlong = __putlong +#pragma weak putshort = __putshort +#endif /* SOLARIS2 */ + +void __putlong(u_int32_t src, u_char *dst) { ns_put32(src, dst); } +void __putshort(u_int16_t src, u_char *dst) { ns_put16(src, dst); } +#ifndef __ultrix__ +u_int32_t _getlong(const u_char *src) { return (ns_get32(src)); } +u_int16_t _getshort(const u_char *src) { return (ns_get16(src)); } +#endif /*__ultrix__*/ +#endif /*BIND_4_COMPAT*/ + +/* + * Weak aliases for applications that use certain private entry points, + * and fail to include <resolv.h>. + */ +#undef dn_comp +__weak_reference(__dn_comp, dn_comp); +#undef dn_expand +__weak_reference(__dn_expand, dn_expand); + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_data.c b/freebsd-userspace/lib/libc/resolv/res_data.c new file mode 100644 index 00000000..20ffe188 --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_data.c @@ -0,0 +1,322 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1995-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char rcsid[] = "$Id: res_data.c,v 1.3.18.2 2007/09/14 05:35:47 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/time.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <ctype.h> +#include <netdb.h> +#include <resolv.h> +#include <res_update.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include "port_after.h" + +const char *_res_opcodes[] = { + "QUERY", + "IQUERY", + "CQUERYM", + "CQUERYU", /*%< experimental */ + "NOTIFY", /*%< experimental */ + "UPDATE", + "6", + "7", + "8", + "9", + "10", + "11", + "12", + "13", + "ZONEINIT", + "ZONEREF", +}; + +#ifdef BIND_UPDATE +const char *_res_sectioncodes[] = { + "ZONE", + "PREREQUISITES", + "UPDATE", + "ADDITIONAL", +}; +#endif + +#ifndef __BIND_NOSTATIC + +/* Proto. */ + +int res_ourserver_p(const res_state, const struct sockaddr_in *); + +int +res_init(void) { + extern int __res_vinit(res_state, int); + + /* + * These three fields used to be statically initialized. This made + * it hard to use this code in a shared library. It is necessary, + * now that we're doing dynamic initialization here, that we preserve + * the old semantics: if an application modifies one of these three + * fields of _res before res_init() is called, res_init() will not + * alter them. Of course, if an application is setting them to + * _zero_ before calling res_init(), hoping to override what used + * to be the static default, we can't detect it and unexpected results + * will follow. Zero for any of these fields would make no sense, + * so one can safely assume that the applications were already getting + * unexpected results. + * + * _res.options is tricky since some apps were known to diddle the bits + * before res_init() was first called. We can't replicate that semantic + * with dynamic initialization (they may have turned bits off that are + * set in RES_DEFAULT). Our solution is to declare such applications + * "broken". They could fool us by setting RES_INIT but none do (yet). + */ + if (!_res.retrans) + _res.retrans = RES_TIMEOUT; + if (!_res.retry) + _res.retry = RES_DFLRETRY; + if (!(_res.options & RES_INIT)) + _res.options = RES_DEFAULT; + + /* + * This one used to initialize implicitly to zero, so unless the app + * has set it to something in particular, we can randomize it now. + */ + if (!_res.id) + _res.id = res_randomid(); + + return (__res_vinit(&_res, 1)); +} + +void +p_query(const u_char *msg) { + fp_query(msg, stdout); +} + +void +fp_query(const u_char *msg, FILE *file) { + fp_nquery(msg, PACKETSZ, file); +} + +void +fp_nquery(const u_char *msg, int len, FILE *file) { + if ((_res.options & RES_INIT) == 0U && res_init() == -1) + return; + + res_pquery(&_res, msg, len, file); +} + +int +res_mkquery(int op, /*!< opcode of query */ + const char *dname, /*!< domain name */ + int class, int type, /*!< class and type of query */ + const u_char *data, /*!< resource record data */ + int datalen, /*!< length of data */ + const u_char *newrr_in, /*!< new rr for modify or append */ + u_char *buf, /*!< buffer to put query */ + int buflen) /*!< size of buffer */ +{ + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + return (res_nmkquery(&_res, op, dname, class, type, + data, datalen, + newrr_in, buf, buflen)); +} + +int +res_mkupdate(ns_updrec *rrecp_in, u_char *buf, int buflen) { + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nmkupdate(&_res, rrecp_in, buf, buflen)); +} + +int +res_query(const char *name, /*!< domain name */ + int class, int type, /*!< class and type of query */ + u_char *answer, /*!< buffer to put answer */ + int anslen) /*!< size of answer buffer */ +{ + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + return (res_nquery(&_res, name, class, type, answer, anslen)); +} + +#ifndef _LIBC +void +res_send_setqhook(res_send_qhook hook) { + _res.qhook = hook; +} + +void +res_send_setrhook(res_send_rhook hook) { + _res.rhook = hook; +} +#endif + +int +res_isourserver(const struct sockaddr_in *inp) { + return (res_ourserver_p(&_res, inp)); +} + +int +res_send(const u_char *buf, int buflen, u_char *ans, int anssiz) { + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + /* errno should have been set by res_init() in this case. */ + return (-1); + } + + return (res_nsend(&_res, buf, buflen, ans, anssiz)); +} + +#ifndef _LIBC +int +res_sendsigned(const u_char *buf, int buflen, ns_tsig_key *key, + u_char *ans, int anssiz) +{ + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + /* errno should have been set by res_init() in this case. */ + return (-1); + } + + return (res_nsendsigned(&_res, buf, buflen, key, ans, anssiz)); +} +#endif + +void +res_close(void) { + res_nclose(&_res); +} + +int +res_update(ns_updrec *rrecp_in) { + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nupdate(&_res, rrecp_in, NULL)); +} + +int +res_search(const char *name, /*!< domain name */ + int class, int type, /*!< class and type of query */ + u_char *answer, /*!< buffer to put answer */ + int anslen) /*!< size of answer */ +{ + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nsearch(&_res, name, class, type, answer, anslen)); +} + +int +res_querydomain(const char *name, + const char *domain, + int class, int type, /*!< class and type of query */ + u_char *answer, /*!< buffer to put answer */ + int anslen) /*!< size of answer */ +{ + if ((_res.options & RES_INIT) == 0U && res_init() == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nquerydomain(&_res, name, domain, + class, type, + answer, anslen)); +} + +int +res_opt(int n0, u_char *buf, int buflen, int anslen) +{ + return (res_nopt(&_res, n0, buf, buflen, anslen)); +} + +const char * +hostalias(const char *name) { + static char abuf[MAXDNAME]; + + return (res_hostalias(&_res, name, abuf, sizeof abuf)); +} + +#ifdef ultrix +int +local_hostname_length(const char *hostname) { + int len_host, len_domain; + + if (!*_res.defdname) + res_init(); + len_host = strlen(hostname); + len_domain = strlen(_res.defdname); + if (len_host > len_domain && + !strcasecmp(hostname + len_host - len_domain, _res.defdname) && + hostname[len_host - len_domain - 1] == '.') + return (len_host - len_domain - 1); + return (0); +} +#endif /*ultrix*/ + +/* + * Weak aliases for applications that use certain private entry points, + * and fail to include <resolv.h>. + */ +#undef res_init +__weak_reference(__res_init, res_init); +#undef p_query +__weak_reference(__p_query, p_query); +#undef res_mkquery +__weak_reference(__res_mkquery, res_mkquery); +#undef res_query +__weak_reference(__res_query, res_query); +#undef res_send +__weak_reference(__res_send, res_send); +#undef res_close +__weak_reference(__res_close, _res_close); +#undef res_search +__weak_reference(__res_search, res_search); +#undef res_querydomain +__weak_reference(__res_querydomain, res_querydomain); + +#endif + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_debug.c b/freebsd-userspace/lib/libc/resolv/res_debug.c new file mode 100644 index 00000000..317319ee --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_debug.c @@ -0,0 +1,1231 @@ +#include "port_before.h" + +/* + * Copyright (c) 1985 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Portions Copyright (c) 1995 by International Business Machines, Inc. + * + * International Business Machines, Inc. (hereinafter called IBM) grants + * permission under its copyrights to use, copy, modify, and distribute this + * Software with or without fee, provided that the above copyright notice and + * all paragraphs of this notice appear in all copies, and that the name of IBM + * not be used in connection with the marketing of any product incorporating + * the Software or modifications thereof, without specific, written prior + * permission. + * + * To the extent it has a right to do so, IBM grants an immunity from suit + * under its patents, if any, for the use, sale or manufacture of products to + * the extent that such products are used for performing Domain Name System + * dynamic updates in TCP/IP networks by means of the Software. No immunity is + * granted for any product per se or for any other function of any product. + * + * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, + * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN + * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: res_debug.c,v 1.10.18.6 2008/04/03 23:15:15 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <ctype.h> +#include <errno.h> +#include <math.h> +#include <netdb.h> +#include <resolv.h> +#include <resolv_mt.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "port_after.h" + +#ifdef SPRINTF_CHAR +# define SPRINTF(x) strlen(sprintf/**/x) +#else +# define SPRINTF(x) sprintf x +#endif + +extern const char *_res_opcodes[]; +extern const char *_res_sectioncodes[]; + +/*% + * Print the current options. + */ +void +fp_resstat(const res_state statp, FILE *file) { + u_long mask; + + fprintf(file, ";; res options:"); + for (mask = 1; mask != 0U; mask <<= 1) + if (statp->options & mask) + fprintf(file, " %s", p_option(mask)); + putc('\n', file); +} + +static void +do_section(const res_state statp, + ns_msg *handle, ns_sect section, + int pflag, FILE *file) +{ + int n, sflag, rrnum; + static int buflen = 2048; + char *buf; + ns_opcode opcode; + ns_rr rr; + + /* + * Print answer records. + */ + sflag = (statp->pfcode & pflag); + if (statp->pfcode && !sflag) + return; + + buf = malloc(buflen); + if (buf == NULL) { + fprintf(file, ";; memory allocation failure\n"); + return; + } + + opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode); + rrnum = 0; + for (;;) { + if (ns_parserr(handle, section, rrnum, &rr)) { + if (errno != ENODEV) + fprintf(file, ";; ns_parserr: %s\n", + strerror(errno)); + else if (rrnum > 0 && sflag != 0 && + (statp->pfcode & RES_PRF_HEAD1)) + putc('\n', file); + goto cleanup; + } + if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1)) + fprintf(file, ";; %s SECTION:\n", + p_section(section, opcode)); + if (section == ns_s_qd) + fprintf(file, ";;\t%s, type = %s, class = %s\n", + ns_rr_name(rr), + p_type(ns_rr_type(rr)), + p_class(ns_rr_class(rr))); + else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) { + u_int16_t optcode, optlen, rdatalen = ns_rr_rdlen(rr); + u_int32_t ttl = ns_rr_ttl(rr); + + fprintf(file, + "; EDNS: version: %u, udp=%u, flags=%04x\n", + (ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff); + + while (rdatalen >= 4) { + const u_char *cp = ns_rr_rdata(rr); + int i; + + GETSHORT(optcode, cp); + GETSHORT(optlen, cp); + + if (optcode == NS_OPT_NSID) { + fputs("; NSID: ", file); + if (optlen == 0) { + fputs("; NSID\n", file); + } else { + fputs("; NSID: ", file); + for (i = 0; i < optlen; i++) + fprintf(file, "%02x ", + cp[i]); + fputs(" (",file); + for (i = 0; i < optlen; i++) + fprintf(file, "%c", + isprint(cp[i])? + cp[i] : '.'); + fputs(")\n", file); + } + } else { + if (optlen == 0) { + fprintf(file, "; OPT=%u\n", + optcode); + } else { + fprintf(file, "; OPT=%u: ", + optcode); + for (i = 0; i < optlen; i++) + fprintf(file, "%02x ", + cp[i]); + fputs(" (",file); + for (i = 0; i < optlen; i++) + fprintf(file, "%c", + isprint(cp[i]) ? + cp[i] : '.'); + fputs(")\n", file); + } + } + rdatalen -= 4 + optlen; + } + } else { + n = ns_sprintrr(handle, &rr, NULL, NULL, + buf, buflen); + if (n < 0) { + if (errno == ENOSPC) { + free(buf); + buf = NULL; + if (buflen < 131072) + buf = malloc(buflen += 1024); + if (buf == NULL) { + fprintf(file, + ";; memory allocation failure\n"); + return; + } + continue; + } + fprintf(file, ";; ns_sprintrr: %s\n", + strerror(errno)); + goto cleanup; + } + fputs(buf, file); + fputc('\n', file); + } + rrnum++; + } + cleanup: + if (buf != NULL) + free(buf); +} + +/*% + * Print the contents of a query. + * This is intended to be primarily a debugging routine. + */ +void +res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) { + ns_msg handle; + int qdcount, ancount, nscount, arcount; + u_int opcode, rcode, id; + + if (ns_initparse(msg, len, &handle) < 0) { + fprintf(file, ";; ns_initparse: %s\n", strerror(errno)); + return; + } + opcode = ns_msg_getflag(handle, ns_f_opcode); + rcode = ns_msg_getflag(handle, ns_f_rcode); + id = ns_msg_id(handle); + qdcount = ns_msg_count(handle, ns_s_qd); + ancount = ns_msg_count(handle, ns_s_an); + nscount = ns_msg_count(handle, ns_s_ns); + arcount = ns_msg_count(handle, ns_s_ar); + + /* + * Print header fields. + */ + if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode) + fprintf(file, + ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n", + _res_opcodes[opcode], p_rcode(rcode), id); + if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX)) + putc(';', file); + if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) { + fprintf(file, "; flags:"); + if (ns_msg_getflag(handle, ns_f_qr)) + fprintf(file, " qr"); + if (ns_msg_getflag(handle, ns_f_aa)) + fprintf(file, " aa"); + if (ns_msg_getflag(handle, ns_f_tc)) + fprintf(file, " tc"); + if (ns_msg_getflag(handle, ns_f_rd)) + fprintf(file, " rd"); + if (ns_msg_getflag(handle, ns_f_ra)) + fprintf(file, " ra"); + if (ns_msg_getflag(handle, ns_f_z)) + fprintf(file, " ??"); + if (ns_msg_getflag(handle, ns_f_ad)) + fprintf(file, " ad"); + if (ns_msg_getflag(handle, ns_f_cd)) + fprintf(file, " cd"); + } + if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) { + fprintf(file, "; %s: %d", + p_section(ns_s_qd, opcode), qdcount); + fprintf(file, ", %s: %d", + p_section(ns_s_an, opcode), ancount); + fprintf(file, ", %s: %d", + p_section(ns_s_ns, opcode), nscount); + fprintf(file, ", %s: %d", + p_section(ns_s_ar, opcode), arcount); + } + if ((!statp->pfcode) || (statp->pfcode & + (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) { + putc('\n',file); + } + /* + * Print the various sections. + */ + do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file); + do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file); + do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file); + do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file); + if (qdcount == 0 && ancount == 0 && + nscount == 0 && arcount == 0) + putc('\n', file); +} + +const u_char * +p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) { + char name[MAXDNAME]; + int n; + + if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0) + return (NULL); + if (name[0] == '\0') + putc('.', file); + else + fputs(name, file); + return (cp + n); +} + +const u_char * +p_cdname(const u_char *cp, const u_char *msg, FILE *file) { + return (p_cdnname(cp, msg, PACKETSZ, file)); +} + +/*% + * Return a fully-qualified domain name from a compressed name (with + length supplied). */ + +const u_char * +p_fqnname(cp, msg, msglen, name, namelen) + const u_char *cp, *msg; + int msglen; + char *name; + int namelen; +{ + int n, newlen; + + if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0) + return (NULL); + newlen = strlen(name); + if (newlen == 0 || name[newlen - 1] != '.') { + if (newlen + 1 >= namelen) /*%< Lack space for final dot */ + return (NULL); + else + strcpy(name + newlen, "."); + } + return (cp + n); +} + +/* XXX: the rest of these functions need to become length-limited, too. */ + +const u_char * +p_fqname(const u_char *cp, const u_char *msg, FILE *file) { + char name[MAXDNAME]; + const u_char *n; + + n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name); + if (n == NULL) + return (NULL); + fputs(name, file); + return (n); +} + +/*% + * Names of RR classes and qclasses. Classes and qclasses are the same, except + * that C_ANY is a qclass but not a class. (You can ask for records of class + * C_ANY, but you can't have any records of that class in the database.) + */ +const struct res_sym __p_class_syms[] = { + {C_IN, "IN", (char *)0}, + {C_CHAOS, "CH", (char *)0}, + {C_CHAOS, "CHAOS", (char *)0}, + {C_HS, "HS", (char *)0}, + {C_HS, "HESIOD", (char *)0}, + {C_ANY, "ANY", (char *)0}, + {C_NONE, "NONE", (char *)0}, + {C_IN, (char *)0, (char *)0} +}; + +/*% + * Names of message sections. + */ +static const struct res_sym __p_default_section_syms[] = { + {ns_s_qd, "QUERY", (char *)0}, + {ns_s_an, "ANSWER", (char *)0}, + {ns_s_ns, "AUTHORITY", (char *)0}, + {ns_s_ar, "ADDITIONAL", (char *)0}, + {0, (char *)0, (char *)0} +}; + +static const struct res_sym __p_update_section_syms[] = { + {S_ZONE, "ZONE", (char *)0}, + {S_PREREQ, "PREREQUISITE", (char *)0}, + {S_UPDATE, "UPDATE", (char *)0}, + {S_ADDT, "ADDITIONAL", (char *)0}, + {0, (char *)0, (char *)0} +}; + +const struct res_sym __p_key_syms[] = { + {NS_ALG_MD5RSA, "RSA", "RSA KEY with MD5 hash"}, + {NS_ALG_DH, "DH", "Diffie Hellman"}, + {NS_ALG_DSA, "DSA", "Digital Signature Algorithm"}, + {NS_ALG_EXPIRE_ONLY, "EXPIREONLY", "No algorithm"}, + {NS_ALG_PRIVATE_OID, "PRIVATE", "Algorithm obtained from OID"}, + {0, NULL, NULL} +}; + +const struct res_sym __p_cert_syms[] = { + {cert_t_pkix, "PKIX", "PKIX (X.509v3) Certificate"}, + {cert_t_spki, "SPKI", "SPKI certificate"}, + {cert_t_pgp, "PGP", "PGP certificate"}, + {cert_t_url, "URL", "URL Private"}, + {cert_t_oid, "OID", "OID Private"}, + {0, NULL, NULL} +}; + +/*% + * Names of RR types and qtypes. Types and qtypes are the same, except + * that T_ANY is a qtype but not a type. (You can ask for records of type + * T_ANY, but you can't have any records of that type in the database.) + */ +const struct res_sym __p_type_syms[] = { + {ns_t_a, "A", "address"}, + {ns_t_ns, "NS", "name server"}, + {ns_t_md, "MD", "mail destination (deprecated)"}, + {ns_t_mf, "MF", "mail forwarder (deprecated)"}, + {ns_t_cname, "CNAME", "canonical name"}, + {ns_t_soa, "SOA", "start of authority"}, + {ns_t_mb, "MB", "mailbox"}, + {ns_t_mg, "MG", "mail group member"}, + {ns_t_mr, "MR", "mail rename"}, + {ns_t_null, "NULL", "null"}, + {ns_t_wks, "WKS", "well-known service (deprecated)"}, + {ns_t_ptr, "PTR", "domain name pointer"}, + {ns_t_hinfo, "HINFO", "host information"}, + {ns_t_minfo, "MINFO", "mailbox information"}, + {ns_t_mx, "MX", "mail exchanger"}, + {ns_t_txt, "TXT", "text"}, + {ns_t_rp, "RP", "responsible person"}, + {ns_t_afsdb, "AFSDB", "DCE or AFS server"}, + {ns_t_x25, "X25", "X25 address"}, + {ns_t_isdn, "ISDN", "ISDN address"}, + {ns_t_rt, "RT", "router"}, + {ns_t_nsap, "NSAP", "nsap address"}, + {ns_t_nsap_ptr, "NSAP_PTR", "domain name pointer"}, + {ns_t_sig, "SIG", "signature"}, + {ns_t_key, "KEY", "key"}, + {ns_t_px, "PX", "mapping information"}, + {ns_t_gpos, "GPOS", "geographical position (withdrawn)"}, + {ns_t_aaaa, "AAAA", "IPv6 address"}, + {ns_t_loc, "LOC", "location"}, + {ns_t_nxt, "NXT", "next valid name (unimplemented)"}, + {ns_t_eid, "EID", "endpoint identifier (unimplemented)"}, + {ns_t_nimloc, "NIMLOC", "NIMROD locator (unimplemented)"}, + {ns_t_srv, "SRV", "server selection"}, + {ns_t_atma, "ATMA", "ATM address (unimplemented)"}, + {ns_t_tkey, "TKEY", "tkey"}, + {ns_t_tsig, "TSIG", "transaction signature"}, + {ns_t_ixfr, "IXFR", "incremental zone transfer"}, + {ns_t_axfr, "AXFR", "zone transfer"}, + {ns_t_zxfr, "ZXFR", "compressed zone transfer"}, + {ns_t_mailb, "MAILB", "mailbox-related data (deprecated)"}, + {ns_t_maila, "MAILA", "mail agent (deprecated)"}, + {ns_t_naptr, "NAPTR", "URN Naming Authority"}, + {ns_t_kx, "KX", "Key Exchange"}, + {ns_t_cert, "CERT", "Certificate"}, + {ns_t_a6, "A6", "IPv6 Address"}, + {ns_t_dname, "DNAME", "dname"}, + {ns_t_sink, "SINK", "Kitchen Sink (experimental)"}, + {ns_t_opt, "OPT", "EDNS Options"}, + {ns_t_any, "ANY", "\"any\""}, + {0, NULL, NULL} +}; + +/*% + * Names of DNS rcodes. + */ +const struct res_sym __p_rcode_syms[] = { + {ns_r_noerror, "NOERROR", "no error"}, + {ns_r_formerr, "FORMERR", "format error"}, + {ns_r_servfail, "SERVFAIL", "server failed"}, + {ns_r_nxdomain, "NXDOMAIN", "no such domain name"}, + {ns_r_notimpl, "NOTIMP", "not implemented"}, + {ns_r_refused, "REFUSED", "refused"}, + {ns_r_yxdomain, "YXDOMAIN", "domain name exists"}, + {ns_r_yxrrset, "YXRRSET", "rrset exists"}, + {ns_r_nxrrset, "NXRRSET", "rrset doesn't exist"}, + {ns_r_notauth, "NOTAUTH", "not authoritative"}, + {ns_r_notzone, "NOTZONE", "Not in zone"}, + {ns_r_max, "", ""}, + {ns_r_badsig, "BADSIG", "bad signature"}, + {ns_r_badkey, "BADKEY", "bad key"}, + {ns_r_badtime, "BADTIME", "bad time"}, + {0, NULL, NULL} +}; + +int +sym_ston(const struct res_sym *syms, const char *name, int *success) { + for ((void)NULL; syms->name != 0; syms++) { + if (strcasecmp (name, syms->name) == 0) { + if (success) + *success = 1; + return (syms->number); + } + } + if (success) + *success = 0; + return (syms->number); /*%< The default value. */ +} + +const char * +sym_ntos(const struct res_sym *syms, int number, int *success) { + char *unname = sym_ntos_unname; + + for ((void)NULL; syms->name != 0; syms++) { + if (number == syms->number) { + if (success) + *success = 1; + return (syms->name); + } + } + + sprintf(unname, "%d", number); /*%< XXX nonreentrant */ + if (success) + *success = 0; + return (unname); +} + +const char * +sym_ntop(const struct res_sym *syms, int number, int *success) { + char *unname = sym_ntop_unname; + + for ((void)NULL; syms->name != 0; syms++) { + if (number == syms->number) { + if (success) + *success = 1; + return (syms->humanname); + } + } + sprintf(unname, "%d", number); /*%< XXX nonreentrant */ + if (success) + *success = 0; + return (unname); +} + +/*% + * Return a string for the type. + */ +const char * +p_type(int type) { + int success; + const char *result; + static char typebuf[20]; + + result = sym_ntos(__p_type_syms, type, &success); + if (success) + return (result); + if (type < 0 || type > 0xffff) + return ("BADTYPE"); + sprintf(typebuf, "TYPE%d", type); + return (typebuf); +} + +/*% + * Return a string for the type. + */ +const char * +p_section(int section, int opcode) { + const struct res_sym *symbols; + + switch (opcode) { + case ns_o_update: + symbols = __p_update_section_syms; + break; + default: + symbols = __p_default_section_syms; + break; + } + return (sym_ntos(symbols, section, (int *)0)); +} + +/*% + * Return a mnemonic for class. + */ +const char * +p_class(int class) { + int success; + const char *result; + static char classbuf[20]; + + result = sym_ntos(__p_class_syms, class, &success); + if (success) + return (result); + if (class < 0 || class > 0xffff) + return ("BADCLASS"); + sprintf(classbuf, "CLASS%d", class); + return (classbuf); +} + +/*% + * Return a mnemonic for an option + */ +const char * +p_option(u_long option) { + char *nbuf = p_option_nbuf; + + switch (option) { + case RES_INIT: return "init"; + case RES_DEBUG: return "debug"; + case RES_AAONLY: return "aaonly(unimpl)"; + case RES_USEVC: return "usevc"; + case RES_PRIMARY: return "primry(unimpl)"; + case RES_IGNTC: return "igntc"; + case RES_RECURSE: return "recurs"; + case RES_DEFNAMES: return "defnam"; + case RES_STAYOPEN: return "styopn"; + case RES_DNSRCH: return "dnsrch"; + case RES_INSECURE1: return "insecure1"; + case RES_INSECURE2: return "insecure2"; + case RES_NOALIASES: return "noaliases"; + case RES_USE_INET6: return "inet6"; +#ifdef RES_USE_EDNS0 /*%< KAME extension */ + case RES_USE_EDNS0: return "edns0"; + case RES_NSID: return "nsid"; +#endif +#ifdef RES_USE_DNAME + case RES_USE_DNAME: return "dname"; +#endif +#ifdef RES_USE_DNSSEC + case RES_USE_DNSSEC: return "dnssec"; +#endif +#ifdef RES_NOTLDQUERY + case RES_NOTLDQUERY: return "no-tld-query"; +#endif +#ifdef RES_NO_NIBBLE2 + case RES_NO_NIBBLE2: return "no-nibble2"; +#endif + /* XXX nonreentrant */ + default: sprintf(nbuf, "?0x%lx?", (u_long)option); + return (nbuf); + } +} + +/*% + * Return a mnemonic for a time to live. + */ +const char * +p_time(u_int32_t value) { + char *nbuf = p_time_nbuf; + + if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0) + sprintf(nbuf, "%u", value); + return (nbuf); +} + +/*% + * Return a string for the rcode. + */ +const char * +p_rcode(int rcode) { + return (sym_ntos(__p_rcode_syms, rcode, (int *)0)); +} + +/*% + * Return a string for a res_sockaddr_union. + */ +const char * +p_sockun(union res_sockaddr_union u, char *buf, size_t size) { + char ret[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:123.123.123.123"]; + + switch (u.sin.sin_family) { + case AF_INET: + inet_ntop(AF_INET, &u.sin.sin_addr, ret, sizeof ret); + break; +#ifdef HAS_INET6_STRUCTS + case AF_INET6: + inet_ntop(AF_INET6, &u.sin6.sin6_addr, ret, sizeof ret); + break; +#endif + default: + sprintf(ret, "[af%d]", u.sin.sin_family); + break; + } + if (size > 0U) { + strncpy(buf, ret, size - 1); + buf[size - 1] = '0'; + } + return (buf); +} + +/*% + * routines to convert between on-the-wire RR format and zone file format. + * Does not contain conversion to/from decimal degrees; divide or multiply + * by 60*60*1000 for that. + */ + +static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000, + 1000000,10000000,100000000,1000000000}; + +/*% takes an XeY precision/size value, returns a string representation. */ +static const char * +precsize_ntoa(prec) + u_int8_t prec; +{ + char *retbuf = precsize_ntoa_retbuf; + unsigned long val; + int mantissa, exponent; + + mantissa = (int)((prec >> 4) & 0x0f) % 10; + exponent = (int)((prec >> 0) & 0x0f) % 10; + + val = mantissa * poweroften[exponent]; + + (void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100); + return (retbuf); +} + +/*% converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */ +static u_int8_t +precsize_aton(const char **strptr) { + unsigned int mval = 0, cmval = 0; + u_int8_t retval = 0; + const char *cp; + int exponent; + int mantissa; + + cp = *strptr; + + while (isdigit((unsigned char)*cp)) + mval = mval * 10 + (*cp++ - '0'); + + if (*cp == '.') { /*%< centimeters */ + cp++; + if (isdigit((unsigned char)*cp)) { + cmval = (*cp++ - '0') * 10; + if (isdigit((unsigned char)*cp)) { + cmval += (*cp++ - '0'); + } + } + } + cmval = (mval * 100) + cmval; + + for (exponent = 0; exponent < 9; exponent++) + if (cmval < poweroften[exponent+1]) + break; + + mantissa = cmval / poweroften[exponent]; + if (mantissa > 9) + mantissa = 9; + + retval = (mantissa << 4) | exponent; + + *strptr = cp; + + return (retval); +} + +/*% converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */ +static u_int32_t +latlon2ul(const char **latlonstrptr, int *which) { + const char *cp; + u_int32_t retval; + int deg = 0, min = 0, secs = 0, secsfrac = 0; + + cp = *latlonstrptr; + + while (isdigit((unsigned char)*cp)) + deg = deg * 10 + (*cp++ - '0'); + + while (isspace((unsigned char)*cp)) + cp++; + + if (!(isdigit((unsigned char)*cp))) + goto fndhemi; + + while (isdigit((unsigned char)*cp)) + min = min * 10 + (*cp++ - '0'); + + while (isspace((unsigned char)*cp)) + cp++; + + if (!(isdigit((unsigned char)*cp))) + goto fndhemi; + + while (isdigit((unsigned char)*cp)) + secs = secs * 10 + (*cp++ - '0'); + + if (*cp == '.') { /*%< decimal seconds */ + cp++; + if (isdigit((unsigned char)*cp)) { + secsfrac = (*cp++ - '0') * 100; + if (isdigit((unsigned char)*cp)) { + secsfrac += (*cp++ - '0') * 10; + if (isdigit((unsigned char)*cp)) { + secsfrac += (*cp++ - '0'); + } + } + } + } + + while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */ + cp++; + + while (isspace((unsigned char)*cp)) + cp++; + + fndhemi: + switch (*cp) { + case 'N': case 'n': + case 'E': case 'e': + retval = ((unsigned)1<<31) + + (((((deg * 60) + min) * 60) + secs) * 1000) + + secsfrac; + break; + case 'S': case 's': + case 'W': case 'w': + retval = ((unsigned)1<<31) + - (((((deg * 60) + min) * 60) + secs) * 1000) + - secsfrac; + break; + default: + retval = 0; /*%< invalid value -- indicates error */ + break; + } + + switch (*cp) { + case 'N': case 'n': + case 'S': case 's': + *which = 1; /*%< latitude */ + break; + case 'E': case 'e': + case 'W': case 'w': + *which = 2; /*%< longitude */ + break; + default: + *which = 0; /*%< error */ + break; + } + + cp++; /*%< skip the hemisphere */ + while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */ + cp++; + + while (isspace((unsigned char)*cp)) /*%< move to next field */ + cp++; + + *latlonstrptr = cp; + + return (retval); +} + +/*% + * converts a zone file representation in a string to an RDATA on-the-wire + * representation. */ +int +loc_aton(ascii, binary) + const char *ascii; + u_char *binary; +{ + const char *cp, *maxcp; + u_char *bcp; + + u_int32_t latit = 0, longit = 0, alt = 0; + u_int32_t lltemp1 = 0, lltemp2 = 0; + int altmeters = 0, altfrac = 0, altsign = 1; + u_int8_t hp = 0x16; /*%< default = 1e6 cm = 10000.00m = 10km */ + u_int8_t vp = 0x13; /*%< default = 1e3 cm = 10.00m */ + u_int8_t siz = 0x12; /*%< default = 1e2 cm = 1.00m */ + int which1 = 0, which2 = 0; + + cp = ascii; + maxcp = cp + strlen(ascii); + + lltemp1 = latlon2ul(&cp, &which1); + + lltemp2 = latlon2ul(&cp, &which2); + + switch (which1 + which2) { + case 3: /*%< 1 + 2, the only valid combination */ + if ((which1 == 1) && (which2 == 2)) { /*%< normal case */ + latit = lltemp1; + longit = lltemp2; + } else if ((which1 == 2) && (which2 == 1)) { /*%< reversed */ + longit = lltemp1; + latit = lltemp2; + } else { /*%< some kind of brokenness */ + return (0); + } + break; + default: /*%< we didn't get one of each */ + return (0); + } + + /* altitude */ + if (*cp == '-') { + altsign = -1; + cp++; + } + + if (*cp == '+') + cp++; + + while (isdigit((unsigned char)*cp)) + altmeters = altmeters * 10 + (*cp++ - '0'); + + if (*cp == '.') { /*%< decimal meters */ + cp++; + if (isdigit((unsigned char)*cp)) { + altfrac = (*cp++ - '0') * 10; + if (isdigit((unsigned char)*cp)) { + altfrac += (*cp++ - '0'); + } + } + } + + alt = (10000000 + (altsign * (altmeters * 100 + altfrac))); + + while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */ + cp++; + + while (isspace((unsigned char)*cp) && (cp < maxcp)) + cp++; + + if (cp >= maxcp) + goto defaults; + + siz = precsize_aton(&cp); + + while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */ + cp++; + + while (isspace((unsigned char)*cp) && (cp < maxcp)) + cp++; + + if (cp >= maxcp) + goto defaults; + + hp = precsize_aton(&cp); + + while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */ + cp++; + + while (isspace((unsigned char)*cp) && (cp < maxcp)) + cp++; + + if (cp >= maxcp) + goto defaults; + + vp = precsize_aton(&cp); + + defaults: + + bcp = binary; + *bcp++ = (u_int8_t) 0; /*%< version byte */ + *bcp++ = siz; + *bcp++ = hp; + *bcp++ = vp; + PUTLONG(latit,bcp); + PUTLONG(longit,bcp); + PUTLONG(alt,bcp); + + return (16); /*%< size of RR in octets */ +} + +/*% takes an on-the-wire LOC RR and formats it in a human readable format. */ +const char * +loc_ntoa(binary, ascii) + const u_char *binary; + char *ascii; +{ + static const char *error = "?"; + static char tmpbuf[sizeof +"1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"]; + const u_char *cp = binary; + + int latdeg, latmin, latsec, latsecfrac; + int longdeg, longmin, longsec, longsecfrac; + char northsouth, eastwest; + const char *altsign; + int altmeters, altfrac; + + const u_int32_t referencealt = 100000 * 100; + + int32_t latval, longval, altval; + u_int32_t templ; + u_int8_t sizeval, hpval, vpval, versionval; + + char *sizestr, *hpstr, *vpstr; + + versionval = *cp++; + + if (ascii == NULL) + ascii = tmpbuf; + + if (versionval) { + (void) sprintf(ascii, "; error: unknown LOC RR version"); + return (ascii); + } + + sizeval = *cp++; + + hpval = *cp++; + vpval = *cp++; + + GETLONG(templ, cp); + latval = (templ - ((unsigned)1<<31)); + + GETLONG(templ, cp); + longval = (templ - ((unsigned)1<<31)); + + GETLONG(templ, cp); + if (templ < referencealt) { /*%< below WGS 84 spheroid */ + altval = referencealt - templ; + altsign = "-"; + } else { + altval = templ - referencealt; + altsign = ""; + } + + if (latval < 0) { + northsouth = 'S'; + latval = -latval; + } else + northsouth = 'N'; + + latsecfrac = latval % 1000; + latval = latval / 1000; + latsec = latval % 60; + latval = latval / 60; + latmin = latval % 60; + latval = latval / 60; + latdeg = latval; + + if (longval < 0) { + eastwest = 'W'; + longval = -longval; + } else + eastwest = 'E'; + + longsecfrac = longval % 1000; + longval = longval / 1000; + longsec = longval % 60; + longval = longval / 60; + longmin = longval % 60; + longval = longval / 60; + longdeg = longval; + + altfrac = altval % 100; + altmeters = (altval / 100); + + sizestr = strdup(precsize_ntoa(sizeval)); + hpstr = strdup(precsize_ntoa(hpval)); + vpstr = strdup(precsize_ntoa(vpval)); + + sprintf(ascii, + "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm", + latdeg, latmin, latsec, latsecfrac, northsouth, + longdeg, longmin, longsec, longsecfrac, eastwest, + altsign, altmeters, altfrac, + (sizestr != NULL) ? sizestr : error, + (hpstr != NULL) ? hpstr : error, + (vpstr != NULL) ? vpstr : error); + + if (sizestr != NULL) + free(sizestr); + if (hpstr != NULL) + free(hpstr); + if (vpstr != NULL) + free(vpstr); + + return (ascii); +} + + +/*% Return the number of DNS hierarchy levels in the name. */ +int +dn_count_labels(const char *name) { + int i, len, count; + + len = strlen(name); + for (i = 0, count = 0; i < len; i++) { + /* XXX need to check for \. or use named's nlabels(). */ + if (name[i] == '.') + count++; + } + + /* don't count initial wildcard */ + if (name[0] == '*') + if (count) + count--; + + /* don't count the null label for root. */ + /* if terminating '.' not found, must adjust */ + /* count to include last label */ + if (len > 0 && name[len-1] != '.') + count++; + return (count); +} + +/*% + * Make dates expressed in seconds-since-Jan-1-1970 easy to read. + * SIG records are required to be printed like this, by the Secure DNS RFC. + */ +char * +p_secstodate (u_long secs) { + char *output = p_secstodate_output; + time_t clock = secs; + struct tm *time; +#ifdef HAVE_TIME_R + struct tm res; + + time = gmtime_r(&clock, &res); +#else + time = gmtime(&clock); +#endif + time->tm_year += 1900; + time->tm_mon += 1; + sprintf(output, "%04d%02d%02d%02d%02d%02d", + time->tm_year, time->tm_mon, time->tm_mday, + time->tm_hour, time->tm_min, time->tm_sec); + return (output); +} + +u_int16_t +res_nametoclass(const char *buf, int *successp) { + unsigned long result; + char *endptr; + int success; + + result = sym_ston(__p_class_syms, buf, &success); + if (success) + goto done; + + if (strncasecmp(buf, "CLASS", 5) != 0 || + !isdigit((unsigned char)buf[5])) + goto done; + errno = 0; + result = strtoul(buf + 5, &endptr, 10); + if (errno == 0 && *endptr == '\0' && result <= 0xffffU) + success = 1; + done: + if (successp) + *successp = success; + return (result); +} + +u_int16_t +res_nametotype(const char *buf, int *successp) { + unsigned long result; + char *endptr; + int success; + + result = sym_ston(__p_type_syms, buf, &success); + if (success) + goto done; + + if (strncasecmp(buf, "type", 4) != 0 || + !isdigit((unsigned char)buf[4])) + goto done; + errno = 0; + result = strtoul(buf + 4, &endptr, 10); + if (errno == 0 && *endptr == '\0' && result <= 0xffffU) + success = 1; + done: + if (successp) + *successp = success; + return (result); +} + +/* + * Weak aliases for applications that use certain private entry points, + * and fail to include <resolv.h>. + */ +#undef fp_resstat +__weak_reference(__fp_resstat, fp_resstat); +#undef p_fqnname +__weak_reference(__p_fqnname, p_fqnname); +#undef sym_ston +__weak_reference(__sym_ston, sym_ston); +#undef sym_ntos +__weak_reference(__sym_ntos, sym_ntos); +#undef sym_ntop +__weak_reference(__sym_ntop, sym_ntop); +#undef dn_count_labels +__weak_reference(__dn_count_labels, dn_count_labels); +#undef p_secstodate +__weak_reference(__p_secstodate, p_secstodate); + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_init.c b/freebsd-userspace/lib/libc/resolv/res_init.c new file mode 100644 index 00000000..ec74e5bd --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_init.c @@ -0,0 +1,874 @@ +#include "port_before.h" + +/* + * Copyright (c) 1985, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_init.c 8.1 (Berkeley) 6/7/93"; +static const char rcsid[] = "$Id: res_init.c,v 1.16.18.7 2007/07/09 01:52:58 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include "namespace.h" + +#include <sys/types.h> +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/time.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <netdb.h> + +#include "un-namespace.h" + +#include "port_after.h" + +/* ensure that sockaddr_in6 and IN6ADDR_ANY_INIT are declared / defined */ +#include <resolv.h> + +#include "res_private.h" + +/*% Options. Should all be left alone. */ +#define RESOLVSORT +#define DEBUG + +#ifdef SOLARIS2 +#include <sys/systeminfo.h> +#endif + +static void res_setoptions(res_state, const char *, const char *); + +#ifdef RESOLVSORT +static const char sort_mask[] = "/&"; +#define ISSORTMASK(ch) (strchr(sort_mask, ch) != NULL) +static u_int32_t net_mask(struct in_addr); +#endif + +#if !defined(isascii) /*%< XXX - could be a function */ +# define isascii(c) (!(c & 0200)) +#endif + +/* + * Resolver state default settings. + */ + +/*% + * Set up default settings. If the configuration file exist, the values + * there will have precedence. Otherwise, the server address is set to + * INADDR_ANY and the default domain name comes from the gethostname(). + * + * An interrim version of this code (BIND 4.9, pre-4.4BSD) used 127.0.0.1 + * rather than INADDR_ANY ("0.0.0.0") as the default name server address + * since it was noted that INADDR_ANY actually meant ``the first interface + * you "ifconfig"'d at boot time'' and if this was a SLIP or PPP interface, + * it had to be "up" in order for you to reach your own name server. It + * was later decided that since the recommended practice is to always + * install local static routes through 127.0.0.1 for all your network + * interfaces, that we could solve this problem without a code change. + * + * The configuration file should always be used, since it is the only way + * to specify a default domain. If you are running a server on your local + * machine, you should say "nameserver 0.0.0.0" or "nameserver 127.0.0.1" + * in the configuration file. + * + * Return 0 if completes successfully, -1 on error + */ +int +res_ninit(res_state statp) { + extern int __res_vinit(res_state, int); + + return (__res_vinit(statp, 0)); +} + +/*% This function has to be reachable by res_data.c but not publically. */ +int +__res_vinit(res_state statp, int preinit) { + FILE *fp; + char *cp, **pp; + int n; + char buf[BUFSIZ]; + int nserv = 0; /*%< number of nameserver records read from file */ + int haveenv = 0; + int havesearch = 0; +#ifdef RESOLVSORT + int nsort = 0; + char *net; +#endif + int dots; + union res_sockaddr_union u[2]; + int maxns = MAXNS; + + RES_SET_H_ERRNO(statp, 0); + if (statp->_u._ext.ext != NULL) + res_ndestroy(statp); + + if (!preinit) { + statp->retrans = RES_TIMEOUT; + statp->retry = RES_DFLRETRY; + statp->options = RES_DEFAULT; + statp->id = res_randomid(); + } + + memset(u, 0, sizeof(u)); +#ifdef USELOOPBACK + u[nserv].sin.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1); +#else + u[nserv].sin.sin_addr.s_addr = INADDR_ANY; +#endif + u[nserv].sin.sin_family = AF_INET; + u[nserv].sin.sin_port = htons(NAMESERVER_PORT); +#ifdef HAVE_SA_LEN + u[nserv].sin.sin_len = sizeof(struct sockaddr_in); +#endif + nserv++; +#ifdef HAS_INET6_STRUCTS +#ifdef USELOOPBACK + u[nserv].sin6.sin6_addr = in6addr_loopback; +#else + u[nserv].sin6.sin6_addr = in6addr_any; +#endif + u[nserv].sin6.sin6_family = AF_INET6; + u[nserv].sin6.sin6_port = htons(NAMESERVER_PORT); +#ifdef HAVE_SA_LEN + u[nserv].sin6.sin6_len = sizeof(struct sockaddr_in6); +#endif + nserv++; +#endif + statp->nscount = 0; + statp->ndots = 1; + statp->pfcode = 0; + statp->_vcsock = -1; + statp->_flags = 0; + statp->qhook = NULL; + statp->rhook = NULL; + statp->_u._ext.nscount = 0; + statp->_u._ext.ext = malloc(sizeof(*statp->_u._ext.ext)); + if (statp->_u._ext.ext != NULL) { + memset(statp->_u._ext.ext, 0, sizeof(*statp->_u._ext.ext)); + statp->_u._ext.ext->nsaddrs[0].sin = statp->nsaddr; + strcpy(statp->_u._ext.ext->nsuffix, "ip6.arpa"); + strcpy(statp->_u._ext.ext->nsuffix2, "ip6.int"); + } else { + /* + * Historically res_init() rarely, if at all, failed. + * Examples and applications exist which do not check + * our return code. Furthermore several applications + * simply call us to get the systems domainname. So + * rather then immediately fail here we store the + * failure, which is returned later, in h_errno. And + * prevent the collection of 'nameserver' information + * by setting maxns to 0. Thus applications that fail + * to check our return code wont be able to make + * queries anyhow. + */ + RES_SET_H_ERRNO(statp, NETDB_INTERNAL); + maxns = 0; + } +#ifdef RESOLVSORT + statp->nsort = 0; +#endif + res_setservers(statp, u, nserv); + +#ifdef SOLARIS2 + /* + * The old libresolv derived the defaultdomain from NIS/NIS+. + * We want to keep this behaviour + */ + { + char buf[sizeof(statp->defdname)], *cp; + int ret; + + if ((ret = sysinfo(SI_SRPC_DOMAIN, buf, sizeof(buf))) > 0 && + (unsigned int)ret <= sizeof(buf)) { + if (buf[0] == '+') + buf[0] = '.'; + cp = strchr(buf, '.'); + cp = (cp == NULL) ? buf : (cp + 1); + strncpy(statp->defdname, cp, + sizeof(statp->defdname) - 1); + statp->defdname[sizeof(statp->defdname) - 1] = '\0'; + } + } +#endif /* SOLARIS2 */ + + /* Allow user to override the local domain definition */ + if (issetugid() == 0 && (cp = getenv("LOCALDOMAIN")) != NULL) { + (void)strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1); + statp->defdname[sizeof(statp->defdname) - 1] = '\0'; + haveenv++; + + /* + * Set search list to be blank-separated strings + * from rest of env value. Permits users of LOCALDOMAIN + * to still have a search list, and anyone to set the + * one that they want to use as an individual (even more + * important now that the rfc1535 stuff restricts searches) + */ + cp = statp->defdname; + pp = statp->dnsrch; + *pp++ = cp; + for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) { + if (*cp == '\n') /*%< silly backwards compat */ + break; + else if (*cp == ' ' || *cp == '\t') { + *cp = 0; + n = 1; + } else if (n) { + *pp++ = cp; + n = 0; + havesearch = 1; + } + } + /* null terminate last domain if there are excess */ + while (*cp != '\0' && *cp != ' ' && *cp != '\t' && *cp != '\n') + cp++; + *cp = '\0'; + *pp++ = 0; + } + +#define MATCH(line, name) \ + (!strncmp(line, name, sizeof(name) - 1) && \ + (line[sizeof(name) - 1] == ' ' || \ + line[sizeof(name) - 1] == '\t')) + + nserv = 0; + if ((fp = fopen(_PATH_RESCONF, "r")) != NULL) { + /* read the config file */ + while (fgets(buf, sizeof(buf), fp) != NULL) { + /* skip comments */ + if (*buf == ';' || *buf == '#') + continue; + /* read default domain name */ + if (MATCH(buf, "domain")) { + if (haveenv) /*%< skip if have from environ */ + continue; + cp = buf + sizeof("domain") - 1; + while (*cp == ' ' || *cp == '\t') + cp++; + if ((*cp == '\0') || (*cp == '\n')) + continue; + strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1); + statp->defdname[sizeof(statp->defdname) - 1] = '\0'; + if ((cp = strpbrk(statp->defdname, " \t\n")) != NULL) + *cp = '\0'; + havesearch = 0; + continue; + } + /* set search list */ + if (MATCH(buf, "search")) { + if (haveenv) /*%< skip if have from environ */ + continue; + cp = buf + sizeof("search") - 1; + while (*cp == ' ' || *cp == '\t') + cp++; + if ((*cp == '\0') || (*cp == '\n')) + continue; + strncpy(statp->defdname, cp, sizeof(statp->defdname) - 1); + statp->defdname[sizeof(statp->defdname) - 1] = '\0'; + if ((cp = strchr(statp->defdname, '\n')) != NULL) + *cp = '\0'; + /* + * Set search list to be blank-separated strings + * on rest of line. + */ + cp = statp->defdname; + pp = statp->dnsrch; + *pp++ = cp; + for (n = 0; *cp && pp < statp->dnsrch + MAXDNSRCH; cp++) { + if (*cp == ' ' || *cp == '\t') { + *cp = 0; + n = 1; + } else if (n) { + *pp++ = cp; + n = 0; + } + } + /* null terminate last domain if there are excess */ + while (*cp != '\0' && *cp != ' ' && *cp != '\t') + cp++; + *cp = '\0'; + *pp++ = 0; + havesearch = 1; + continue; + } + /* read nameservers to query */ + if (MATCH(buf, "nameserver") && nserv < maxns) { + struct addrinfo hints, *ai; + char sbuf[NI_MAXSERV]; + const size_t minsiz = + sizeof(statp->_u._ext.ext->nsaddrs[0]); + + cp = buf + sizeof("nameserver") - 1; + while (*cp == ' ' || *cp == '\t') + cp++; + cp[strcspn(cp, ";# \t\n")] = '\0'; + if ((*cp != '\0') && (*cp != '\n')) { + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; + hints.ai_socktype = SOCK_DGRAM; /*dummy*/ + hints.ai_flags = AI_NUMERICHOST; + sprintf(sbuf, "%u", NAMESERVER_PORT); + if (getaddrinfo(cp, sbuf, &hints, &ai) == 0 && + ai->ai_addrlen <= minsiz) { + if (statp->_u._ext.ext != NULL) { + memcpy(&statp->_u._ext.ext->nsaddrs[nserv], + ai->ai_addr, ai->ai_addrlen); + } + if (ai->ai_addrlen <= + sizeof(statp->nsaddr_list[nserv])) { + memcpy(&statp->nsaddr_list[nserv], + ai->ai_addr, ai->ai_addrlen); + } else + statp->nsaddr_list[nserv].sin_family = 0; + freeaddrinfo(ai); + nserv++; + } + } + continue; + } +#ifdef RESOLVSORT + if (MATCH(buf, "sortlist")) { + struct in_addr a; + struct in6_addr a6; + int m, i; + u_char *u; + struct __res_state_ext *ext = statp->_u._ext.ext; + + cp = buf + sizeof("sortlist") - 1; + while (nsort < MAXRESOLVSORT) { + while (*cp == ' ' || *cp == '\t') + cp++; + if (*cp == '\0' || *cp == '\n' || *cp == ';') + break; + net = cp; + while (*cp && !ISSORTMASK(*cp) && *cp != ';' && + isascii(*cp) && !isspace((unsigned char)*cp)) + cp++; + n = *cp; + *cp = 0; + if (inet_aton(net, &a)) { + statp->sort_list[nsort].addr = a; + if (ISSORTMASK(n)) { + *cp++ = n; + net = cp; + while (*cp && *cp != ';' && + isascii(*cp) && + !isspace((unsigned char)*cp)) + cp++; + n = *cp; + *cp = 0; + if (inet_aton(net, &a)) { + statp->sort_list[nsort].mask = a.s_addr; + } else { + statp->sort_list[nsort].mask = + net_mask(statp->sort_list[nsort].addr); + } + } else { + statp->sort_list[nsort].mask = + net_mask(statp->sort_list[nsort].addr); + } + ext->sort_list[nsort].af = AF_INET; + ext->sort_list[nsort].addr.ina = + statp->sort_list[nsort].addr; + ext->sort_list[nsort].mask.ina.s_addr = + statp->sort_list[nsort].mask; + nsort++; + } + else if (inet_pton(AF_INET6, net, &a6) == 1) { + + ext->sort_list[nsort].af = AF_INET6; + ext->sort_list[nsort].addr.in6a = a6; + u = (u_char *)&ext->sort_list[nsort].mask.in6a; + *cp++ = n; + net = cp; + while (*cp && *cp != ';' && + isascii(*cp) && !isspace(*cp)) + cp++; + m = n; + n = *cp; + *cp = 0; + switch (m) { + case '/': + m = atoi(net); + break; + case '&': + if (inet_pton(AF_INET6, net, u) == 1) { + m = -1; + break; + } + /*FALLTHROUGH*/ + default: + m = sizeof(struct in6_addr) * CHAR_BIT; + break; + } + if (m >= 0) { + for (i = 0; i < sizeof(struct in6_addr); i++) { + if (m <= 0) { + *u = 0; + } else { + m -= CHAR_BIT; + *u = (u_char)~0; + if (m < 0) + *u <<= -m; + } + u++; + } + } + statp->sort_list[nsort].addr.s_addr = + (u_int32_t)0xffffffff; + statp->sort_list[nsort].mask = + (u_int32_t)0xffffffff; + nsort++; + } + *cp = n; + } + continue; + } +#endif + if (MATCH(buf, "options")) { + res_setoptions(statp, buf + sizeof("options") - 1, "conf"); + continue; + } + } + if (nserv > 0) + statp->nscount = nserv; +#ifdef RESOLVSORT + statp->nsort = nsort; +#endif + (void) fclose(fp); + } +/* + * Last chance to get a nameserver. This should not normally + * be necessary + */ +#ifdef NO_RESOLV_CONF + if(nserv == 0) + nserv = get_nameservers(statp); +#endif + + if (statp->defdname[0] == 0 && + gethostname(buf, sizeof(statp->defdname) - 1) == 0 && + (cp = strchr(buf, '.')) != NULL) + strcpy(statp->defdname, cp + 1); + + /* find components of local domain that might be searched */ + if (havesearch == 0) { + pp = statp->dnsrch; + *pp++ = statp->defdname; + *pp = NULL; + + dots = 0; + for (cp = statp->defdname; *cp; cp++) + dots += (*cp == '.'); + + cp = statp->defdname; + while (pp < statp->dnsrch + MAXDFLSRCH) { + if (dots < LOCALDOMAINPARTS) + break; + cp = strchr(cp, '.') + 1; /*%< we know there is one */ + *pp++ = cp; + dots--; + } + *pp = NULL; +#ifdef DEBUG + if (statp->options & RES_DEBUG) { + printf(";; res_init()... default dnsrch list:\n"); + for (pp = statp->dnsrch; *pp; pp++) + printf(";;\t%s\n", *pp); + printf(";;\t..END..\n"); + } +#endif + } + + if (issetugid()) + statp->options |= RES_NOALIASES; + else if ((cp = getenv("RES_OPTIONS")) != NULL) + res_setoptions(statp, cp, "env"); + statp->options |= RES_INIT; + return (statp->res_h_errno); +} + +static void +res_setoptions(res_state statp, const char *options, const char *source) +{ + const char *cp = options; + int i; +#ifndef _LIBC + struct __res_state_ext *ext = statp->_u._ext.ext; +#endif + +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_setoptions(\"%s\", \"%s\")...\n", + options, source); +#endif + while (*cp) { + /* skip leading and inner runs of spaces */ + while (*cp == ' ' || *cp == '\t') + cp++; + /* search for and process individual options */ + if (!strncmp(cp, "ndots:", sizeof("ndots:") - 1)) { + i = atoi(cp + sizeof("ndots:") - 1); + if (i <= RES_MAXNDOTS) + statp->ndots = i; + else + statp->ndots = RES_MAXNDOTS; +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";;\tndots=%d\n", statp->ndots); +#endif + } else if (!strncmp(cp, "timeout:", sizeof("timeout:") - 1)) { + i = atoi(cp + sizeof("timeout:") - 1); + if (i <= RES_MAXRETRANS) + statp->retrans = i; + else + statp->retrans = RES_MAXRETRANS; +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";;\ttimeout=%d\n", statp->retrans); +#endif +#ifdef SOLARIS2 + } else if (!strncmp(cp, "retrans:", sizeof("retrans:") - 1)) { + /* + * For backward compatibility, 'retrans' is + * supported as an alias for 'timeout', though + * without an imposed maximum. + */ + statp->retrans = atoi(cp + sizeof("retrans:") - 1); + } else if (!strncmp(cp, "retry:", sizeof("retry:") - 1)){ + /* + * For backward compatibility, 'retry' is + * supported as an alias for 'attempts', though + * without an imposed maximum. + */ + statp->retry = atoi(cp + sizeof("retry:") - 1); +#endif /* SOLARIS2 */ + } else if (!strncmp(cp, "attempts:", sizeof("attempts:") - 1)){ + i = atoi(cp + sizeof("attempts:") - 1); + if (i <= RES_MAXRETRY) + statp->retry = i; + else + statp->retry = RES_MAXRETRY; +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";;\tattempts=%d\n", statp->retry); +#endif + } else if (!strncmp(cp, "debug", sizeof("debug") - 1)) { +#ifdef DEBUG + if (!(statp->options & RES_DEBUG)) { + printf(";; res_setoptions(\"%s\", \"%s\")..\n", + options, source); + statp->options |= RES_DEBUG; + } + printf(";;\tdebug\n"); +#endif + } else if (!strncmp(cp, "no_tld_query", + sizeof("no_tld_query") - 1) || + !strncmp(cp, "no-tld-query", + sizeof("no-tld-query") - 1)) { + statp->options |= RES_NOTLDQUERY; + } else if (!strncmp(cp, "inet6", sizeof("inet6") - 1)) { + statp->options |= RES_USE_INET6; + } else if (!strncmp(cp, "insecure1", sizeof("insecure1") - 1)) { + statp->options |= RES_INSECURE1; + } else if (!strncmp(cp, "insecure2", sizeof("insecure2") - 1)) { + statp->options |= RES_INSECURE2; + } else if (!strncmp(cp, "rotate", sizeof("rotate") - 1)) { + statp->options |= RES_ROTATE; + } else if (!strncmp(cp, "no-check-names", + sizeof("no-check-names") - 1)) { + statp->options |= RES_NOCHECKNAME; + } +#ifdef RES_USE_EDNS0 + else if (!strncmp(cp, "edns0", sizeof("edns0") - 1)) { + statp->options |= RES_USE_EDNS0; + } +#endif +#ifndef _LIBC + else if (!strncmp(cp, "dname", sizeof("dname") - 1)) { + statp->options |= RES_USE_DNAME; + } + else if (!strncmp(cp, "nibble:", sizeof("nibble:") - 1)) { + if (ext == NULL) + goto skip; + cp += sizeof("nibble:") - 1; + i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix) - 1); + strncpy(ext->nsuffix, cp, i); + ext->nsuffix[i] = '\0'; + } + else if (!strncmp(cp, "nibble2:", sizeof("nibble2:") - 1)) { + if (ext == NULL) + goto skip; + cp += sizeof("nibble2:") - 1; + i = MIN(strcspn(cp, " \t"), sizeof(ext->nsuffix2) - 1); + strncpy(ext->nsuffix2, cp, i); + ext->nsuffix2[i] = '\0'; + } + else if (!strncmp(cp, "v6revmode:", sizeof("v6revmode:") - 1)) { + cp += sizeof("v6revmode:") - 1; + /* "nibble" and "bitstring" used to be valid */ + if (!strncmp(cp, "single", sizeof("single") - 1)) { + statp->options |= RES_NO_NIBBLE2; + } else if (!strncmp(cp, "both", sizeof("both") - 1)) { + statp->options &= + ~RES_NO_NIBBLE2; + } + } +#endif + else { + /* XXX - print a warning here? */ + } +#ifndef _LIBC + skip: +#endif + /* skip to next run of spaces */ + while (*cp && *cp != ' ' && *cp != '\t') + cp++; + } +} + +#ifdef RESOLVSORT +/* XXX - should really support CIDR which means explicit masks always. */ +static u_int32_t +net_mask(in) /*!< XXX - should really use system's version of this */ + struct in_addr in; +{ + u_int32_t i = ntohl(in.s_addr); + + if (IN_CLASSA(i)) + return (htonl(IN_CLASSA_NET)); + else if (IN_CLASSB(i)) + return (htonl(IN_CLASSB_NET)); + return (htonl(IN_CLASSC_NET)); +} +#endif + +u_int +res_randomid(void) { + struct timeval now; + + gettimeofday(&now, NULL); + return (0xffff & (now.tv_sec ^ now.tv_usec ^ getpid())); +} + +/*% + * This routine is for closing the socket if a virtual circuit is used and + * the program wants to close it. This provides support for endhostent() + * which expects to close the socket. + * + * This routine is not expected to be user visible. + */ +void +res_nclose(res_state statp) { + int ns; + + if (statp->_vcsock >= 0) { + (void) _close(statp->_vcsock); + statp->_vcsock = -1; + statp->_flags &= ~(RES_F_VC | RES_F_CONN); + } + for (ns = 0; ns < statp->_u._ext.nscount; ns++) { + if (statp->_u._ext.nssocks[ns] != -1) { + (void) _close(statp->_u._ext.nssocks[ns]); + statp->_u._ext.nssocks[ns] = -1; + } + } +} + +void +res_ndestroy(res_state statp) { + res_nclose(statp); + if (statp->_u._ext.ext != NULL) + free(statp->_u._ext.ext); + statp->options &= ~RES_INIT; + statp->_u._ext.ext = NULL; +} + +#ifndef _LIBC +const char * +res_get_nibblesuffix(res_state statp) { + if (statp->_u._ext.ext) + return (statp->_u._ext.ext->nsuffix); + return ("ip6.arpa"); +} + +const char * +res_get_nibblesuffix2(res_state statp) { + if (statp->_u._ext.ext) + return (statp->_u._ext.ext->nsuffix2); + return ("ip6.int"); +} +#endif + +void +res_setservers(res_state statp, const union res_sockaddr_union *set, int cnt) { + int i, nserv; + size_t size; + + /* close open servers */ + res_nclose(statp); + + /* cause rtt times to be forgotten */ + statp->_u._ext.nscount = 0; + + nserv = 0; + for (i = 0; i < cnt && nserv < MAXNS; i++) { + switch (set->sin.sin_family) { + case AF_INET: + size = sizeof(set->sin); + if (statp->_u._ext.ext) + memcpy(&statp->_u._ext.ext->nsaddrs[nserv], + &set->sin, size); + if (size <= sizeof(statp->nsaddr_list[nserv])) + memcpy(&statp->nsaddr_list[nserv], + &set->sin, size); + else + statp->nsaddr_list[nserv].sin_family = 0; + nserv++; + break; + +#ifdef HAS_INET6_STRUCTS + case AF_INET6: + size = sizeof(set->sin6); + if (statp->_u._ext.ext) + memcpy(&statp->_u._ext.ext->nsaddrs[nserv], + &set->sin6, size); + if (size <= sizeof(statp->nsaddr_list[nserv])) + memcpy(&statp->nsaddr_list[nserv], + &set->sin6, size); + else + statp->nsaddr_list[nserv].sin_family = 0; + nserv++; + break; +#endif + + default: + break; + } + set++; + } + statp->nscount = nserv; + +} + +int +res_getservers(res_state statp, union res_sockaddr_union *set, int cnt) { + int i; + size_t size; + u_int16_t family; + + for (i = 0; i < statp->nscount && i < cnt; i++) { + if (statp->_u._ext.ext) + family = statp->_u._ext.ext->nsaddrs[i].sin.sin_family; + else + family = statp->nsaddr_list[i].sin_family; + + switch (family) { + case AF_INET: + size = sizeof(set->sin); + if (statp->_u._ext.ext) + memcpy(&set->sin, + &statp->_u._ext.ext->nsaddrs[i], + size); + else + memcpy(&set->sin, &statp->nsaddr_list[i], + size); + break; + +#ifdef HAS_INET6_STRUCTS + case AF_INET6: + size = sizeof(set->sin6); + if (statp->_u._ext.ext) + memcpy(&set->sin6, + &statp->_u._ext.ext->nsaddrs[i], + size); + else + memcpy(&set->sin6, &statp->nsaddr_list[i], + size); + break; +#endif + + default: + set->sin.sin_family = 0; + break; + } + set++; + } + return (statp->nscount); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_mkquery.c b/freebsd-userspace/lib/libc/resolv/res_mkquery.c new file mode 100644 index 00000000..074817c4 --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_mkquery.c @@ -0,0 +1,305 @@ +#include "port_before.h" + +/* + * Copyright (c) 1985, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_mkquery.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: res_mkquery.c,v 1.5.18.2 2008/04/03 23:15:15 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" +#include <sys/types.h> +#include <sys/param.h> +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <netdb.h> +#include <resolv.h> +#include <stdio.h> +#include <string.h> +#include "port_after.h" + +/* Options. Leave them on. */ +#define DEBUG + +extern const char *_res_opcodes[]; + +/*% + * Form all types of queries. + * Returns the size of the result or -1. + */ +int +res_nmkquery(res_state statp, + int op, /*!< opcode of query */ + const char *dname, /*!< domain name */ + int class, int type, /*!< class and type of query */ + const u_char *data, /*!< resource record data */ + int datalen, /*!< length of data */ + const u_char *newrr_in, /*!< new rr for modify or append */ + u_char *buf, /*!< buffer to put query */ + int buflen) /*!< size of buffer */ +{ + HEADER *hp; + u_char *cp, *ep; + int n; + u_char *dnptrs[20], **dpp, **lastdnptr; + + UNUSED(newrr_in); + +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_nmkquery(%s, %s, %s, %s)\n", + _res_opcodes[op], dname, p_class(class), p_type(type)); +#endif + /* + * Initialize header fields. + */ + if ((buf == NULL) || (buflen < HFIXEDSZ)) + return (-1); + memset(buf, 0, HFIXEDSZ); + hp = (HEADER *) buf; + hp->id = htons(++statp->id); + hp->opcode = op; + hp->rd = (statp->options & RES_RECURSE) != 0U; + hp->rcode = NOERROR; + cp = buf + HFIXEDSZ; + ep = buf + buflen; + dpp = dnptrs; + *dpp++ = buf; + *dpp++ = NULL; + lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0]; + /* + * perform opcode specific processing + */ + switch (op) { + case QUERY: /*FALLTHROUGH*/ + case NS_NOTIFY_OP: + if (ep - cp < QFIXEDSZ) + return (-1); + if ((n = dn_comp(dname, cp, ep - cp - QFIXEDSZ, dnptrs, + lastdnptr)) < 0) + return (-1); + cp += n; + ns_put16(type, cp); + cp += INT16SZ; + ns_put16(class, cp); + cp += INT16SZ; + hp->qdcount = htons(1); + if (op == QUERY || data == NULL) + break; + /* + * Make an additional record for completion domain. + */ + if ((ep - cp) < RRFIXEDSZ) + return (-1); + n = dn_comp((const char *)data, cp, ep - cp - RRFIXEDSZ, + dnptrs, lastdnptr); + if (n < 0) + return (-1); + cp += n; + ns_put16(T_NULL, cp); + cp += INT16SZ; + ns_put16(class, cp); + cp += INT16SZ; + ns_put32(0, cp); + cp += INT32SZ; + ns_put16(0, cp); + cp += INT16SZ; + hp->arcount = htons(1); + break; + + case IQUERY: + /* + * Initialize answer section + */ + if (ep - cp < 1 + RRFIXEDSZ + datalen) + return (-1); + *cp++ = '\0'; /*%< no domain name */ + ns_put16(type, cp); + cp += INT16SZ; + ns_put16(class, cp); + cp += INT16SZ; + ns_put32(0, cp); + cp += INT32SZ; + ns_put16(datalen, cp); + cp += INT16SZ; + if (datalen) { + memcpy(cp, data, datalen); + cp += datalen; + } + hp->ancount = htons(1); + break; + + default: + return (-1); + } + return (cp - buf); +} + +#ifdef RES_USE_EDNS0 +/* attach OPT pseudo-RR, as documented in RFC2671 (EDNS0). */ + +int +res_nopt(res_state statp, + int n0, /*%< current offset in buffer */ + u_char *buf, /*%< buffer to put query */ + int buflen, /*%< size of buffer */ + int anslen) /*%< UDP answer buffer size */ +{ + HEADER *hp; + u_char *cp, *ep; + u_int16_t flags = 0; + +#ifdef DEBUG + if ((statp->options & RES_DEBUG) != 0U) + printf(";; res_nopt()\n"); +#endif + + hp = (HEADER *) buf; + cp = buf + n0; + ep = buf + buflen; + + if ((ep - cp) < 1 + RRFIXEDSZ) + return (-1); + + *cp++ = 0; /*%< "." */ + ns_put16(ns_t_opt, cp); /*%< TYPE */ + cp += INT16SZ; + if (anslen > 0xffff) + anslen = 0xffff; /* limit to 16bit value */ + ns_put16(anslen & 0xffff, cp); /*%< CLASS = UDP payload size */ + cp += INT16SZ; + *cp++ = NOERROR; /*%< extended RCODE */ + *cp++ = 0; /*%< EDNS version */ + + if (statp->options & RES_USE_DNSSEC) { +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_opt()... ENDS0 DNSSEC\n"); +#endif + flags |= NS_OPT_DNSSEC_OK; + } + ns_put16(flags, cp); + cp += INT16SZ; + + ns_put16(0U, cp); /*%< RDLEN */ + cp += INT16SZ; + + hp->arcount = htons(ntohs(hp->arcount) + 1); + + return (cp - buf); +} + +/* + * Construct variable data (RDATA) block for OPT psuedo-RR, append it + * to the buffer, then update the RDLEN field (previously set to zero by + * res_nopt()) with the new RDATA length. + */ +int +res_nopt_rdata(res_state statp, + int n0, /*%< current offset in buffer */ + u_char *buf, /*%< buffer to put query */ + int buflen, /*%< size of buffer */ + u_char *rdata, /*%< ptr to start of opt rdata */ + u_short code, /*%< OPTION-CODE */ + u_short len, /*%< OPTION-LENGTH */ + u_char *data) /*%< OPTION_DATA */ +{ + register u_char *cp, *ep; + +#ifdef DEBUG + if ((statp->options & RES_DEBUG) != 0U) + printf(";; res_nopt_rdata()\n"); +#endif + + cp = buf + n0; + ep = buf + buflen; + + if ((ep - cp) < (4 + len)) + return (-1); + + if (rdata < (buf + 2) || rdata >= ep) + return (-1); + + ns_put16(code, cp); + cp += INT16SZ; + + ns_put16(len, cp); + cp += INT16SZ; + + memcpy(cp, data, len); + cp += len; + + len = cp - rdata; + ns_put16(len, rdata - 2); /* Update RDLEN field */ + + return (cp - buf); +} +#endif + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_mkupdate.c b/freebsd-userspace/lib/libc/resolv/res_mkupdate.c new file mode 100644 index 00000000..63f40cbe --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_mkupdate.c @@ -0,0 +1,1198 @@ +#include "port_before.h" + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/*! \file + * \brief + * Based on the Dynamic DNS reference implementation by Viraj Bais + * <viraj_bais@ccm.fm.intel.com> + */ + +#if !defined(lint) && !defined(SABER) +static const char rcsid[] = "$Id: res_mkupdate.c,v 1.4.18.4 2005/10/14 05:44:12 marka Exp $"; +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include <sys/types.h> +#include <sys/param.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <arpa/inet.h> + +#include <errno.h> +#include <limits.h> +#include <netdb.h> +#include <resolv.h> +#include <res_update.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <ctype.h> + +#ifdef _LIBC +#include <isc/list.h> +#endif + +#include "port_after.h" + +/* Options. Leave them on. */ +#define DEBUG +#define MAXPORT 1024 + +static int getnum_str(u_char **, u_char *); +static int gethexnum_str(u_char **, u_char *); +static int getword_str(char *, int, u_char **, u_char *); +static int getstr_str(char *, int, u_char **, u_char *); + +#define ShrinkBuffer(x) if ((buflen -= x) < 0) return (-2); + +/* Forward. */ + +#ifdef _LIBC +static +#endif +int res_protocolnumber(const char *); +#ifdef _LIBC +static +#endif +int res_servicenumber(const char *); + +/*% + * Form update packets. + * Returns the size of the resulting packet if no error + * + * On error, + * returns + *\li -1 if error in reading a word/number in rdata + * portion for update packets + *\li -2 if length of buffer passed is insufficient + *\li -3 if zone section is not the first section in + * the linked list, or section order has a problem + *\li -4 on a number overflow + *\li -5 unknown operation or no records + */ +int +res_nmkupdate(res_state statp, ns_updrec *rrecp_in, u_char *buf, int buflen) { + ns_updrec *rrecp_start = rrecp_in; + HEADER *hp; + u_char *cp, *sp2, *startp, *endp; + int n, i, soanum, multiline; + ns_updrec *rrecp; + struct in_addr ina; + struct in6_addr in6a; + char buf2[MAXDNAME]; + u_char buf3[MAXDNAME]; + int section, numrrs = 0, counts[ns_s_max]; + u_int16_t rtype, rclass; + u_int32_t n1, rttl; + u_char *dnptrs[20], **dpp, **lastdnptr; +#ifndef _LIBC + int siglen; +#endif + int keylen, certlen; + + /* + * Initialize header fields. + */ + if ((buf == NULL) || (buflen < HFIXEDSZ)) + return (-1); + memset(buf, 0, HFIXEDSZ); + hp = (HEADER *) buf; + hp->id = htons(++statp->id); + hp->opcode = ns_o_update; + hp->rcode = NOERROR; + cp = buf + HFIXEDSZ; + buflen -= HFIXEDSZ; + dpp = dnptrs; + *dpp++ = buf; + *dpp++ = NULL; + lastdnptr = dnptrs + sizeof dnptrs / sizeof dnptrs[0]; + + if (rrecp_start == NULL) + return (-5); + else if (rrecp_start->r_section != S_ZONE) + return (-3); + + memset(counts, 0, sizeof counts); + for (rrecp = rrecp_start; rrecp; rrecp = NEXT(rrecp, r_glink)) { + numrrs++; + section = rrecp->r_section; + if (section < 0 || section >= ns_s_max) + return (-1); + counts[section]++; + for (i = section + 1; i < ns_s_max; i++) + if (counts[i]) + return (-3); + rtype = rrecp->r_type; + rclass = rrecp->r_class; + rttl = rrecp->r_ttl; + /* overload class and type */ + if (section == S_PREREQ) { + rttl = 0; + switch (rrecp->r_opcode) { + case YXDOMAIN: + rclass = C_ANY; + rtype = T_ANY; + rrecp->r_size = 0; + break; + case NXDOMAIN: + rclass = C_NONE; + rtype = T_ANY; + rrecp->r_size = 0; + break; + case NXRRSET: + rclass = C_NONE; + rrecp->r_size = 0; + break; + case YXRRSET: + if (rrecp->r_size == 0) + rclass = C_ANY; + break; + default: + fprintf(stderr, + "res_mkupdate: incorrect opcode: %d\n", + rrecp->r_opcode); + fflush(stderr); + return (-1); + } + } else if (section == S_UPDATE) { + switch (rrecp->r_opcode) { + case DELETE: + rclass = rrecp->r_size == 0 ? C_ANY : C_NONE; + break; + case ADD: + break; + default: + fprintf(stderr, + "res_mkupdate: incorrect opcode: %d\n", + rrecp->r_opcode); + fflush(stderr); + return (-1); + } + } + + /* + * XXX appending default domain to owner name is omitted, + * fqdn must be provided + */ + if ((n = dn_comp(rrecp->r_dname, cp, buflen, dnptrs, + lastdnptr)) < 0) + return (-1); + cp += n; + ShrinkBuffer(n + 2*INT16SZ); + PUTSHORT(rtype, cp); + PUTSHORT(rclass, cp); + if (section == S_ZONE) { + if (numrrs != 1 || rrecp->r_type != T_SOA) + return (-3); + continue; + } + ShrinkBuffer(INT32SZ + INT16SZ); + PUTLONG(rttl, cp); + sp2 = cp; /*%< save pointer to length byte */ + cp += INT16SZ; + if (rrecp->r_size == 0) { + if (section == S_UPDATE && rclass != C_ANY) + return (-1); + else { + PUTSHORT(0, sp2); + continue; + } + } + startp = rrecp->r_data; + endp = startp + rrecp->r_size - 1; + /* XXX this should be done centrally. */ + switch (rrecp->r_type) { + case T_A: + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + if (!inet_aton(buf2, &ina)) + return (-1); + n1 = ntohl(ina.s_addr); + ShrinkBuffer(INT32SZ); + PUTLONG(n1, cp); + break; + case T_CNAME: + case T_MB: + case T_MG: + case T_MR: + case T_NS: + case T_PTR: + case ns_t_dname: + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + break; + case T_MINFO: + case T_SOA: + case T_RP: + for (i = 0; i < 2; i++) { + if (!getword_str(buf2, sizeof buf2, &startp, + endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, + dnptrs, lastdnptr); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + } + if (rrecp->r_type == T_SOA) { + ShrinkBuffer(5 * INT32SZ); + while (isspace(*startp) || !*startp) + startp++; + if (*startp == '(') { + multiline = 1; + startp++; + } else + multiline = 0; + /* serial, refresh, retry, expire, minimum */ + for (i = 0; i < 5; i++) { + soanum = getnum_str(&startp, endp); + if (soanum < 0) + return (-1); + PUTLONG(soanum, cp); + } + if (multiline) { + while (isspace(*startp) || !*startp) + startp++; + if (*startp != ')') + return (-1); + } + } + break; + case T_MX: + case T_AFSDB: + case T_RT: + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + break; + case T_SRV: + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, NULL, NULL); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + break; + case T_PX: + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + PUTSHORT(n, cp); + ShrinkBuffer(INT16SZ); + for (i = 0; i < 2; i++) { + if (!getword_str(buf2, sizeof buf2, &startp, + endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, dnptrs, + lastdnptr); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + } + break; + case T_WKS: { + char bm[MAXPORT/8]; + unsigned int maxbm = 0; + + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + if (!inet_aton(buf2, &ina)) + return (-1); + n1 = ntohl(ina.s_addr); + ShrinkBuffer(INT32SZ); + PUTLONG(n1, cp); + + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + if ((i = res_protocolnumber(buf2)) < 0) + return (-1); + ShrinkBuffer(1); + *cp++ = i & 0xff; + + for (i = 0; i < MAXPORT/8 ; i++) + bm[i] = 0; + + while (getword_str(buf2, sizeof buf2, &startp, endp)) { + if ((n = res_servicenumber(buf2)) <= 0) + return (-1); + + if (n < MAXPORT) { + bm[n/8] |= (0x80>>(n%8)); + if ((unsigned)n > maxbm) + maxbm = n; + } else + return (-1); + } + maxbm = maxbm/8 + 1; + ShrinkBuffer(maxbm); + memcpy(cp, bm, maxbm); + cp += maxbm; + break; + } + case T_HINFO: + for (i = 0; i < 2; i++) { + if ((n = getstr_str(buf2, sizeof buf2, + &startp, endp)) < 0) + return (-1); + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + } + break; + case T_TXT: + for (;;) { + if ((n = getstr_str(buf2, sizeof buf2, + &startp, endp)) < 0) { + if (cp != (sp2 + INT16SZ)) + break; + return (-1); + } + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + } + break; + case T_X25: + /* RFC1183 */ + if ((n = getstr_str(buf2, sizeof buf2, &startp, + endp)) < 0) + return (-1); + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + break; + case T_ISDN: + /* RFC1183 */ + if ((n = getstr_str(buf2, sizeof buf2, &startp, + endp)) < 0) + return (-1); + if ((n > 255) || (n == 0)) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + if ((n = getstr_str(buf2, sizeof buf2, &startp, + endp)) < 0) + n = 0; + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + break; + case T_NSAP: + if ((n = inet_nsap_addr((char *)startp, (u_char *)buf2, sizeof(buf2))) != 0) { + ShrinkBuffer(n); + memcpy(cp, buf2, n); + cp += n; + } else { + return (-1); + } + break; + case T_LOC: + if ((n = loc_aton((char *)startp, (u_char *)buf2)) != 0) { + ShrinkBuffer(n); + memcpy(cp, buf2, n); + cp += n; + } else + return (-1); + break; + case ns_t_sig: +#ifdef _LIBC + return (-1); +#else + { + int sig_type, success, dateerror; + u_int32_t exptime, timesigned; + + /* type */ + if ((n = getword_str(buf2, sizeof buf2, + &startp, endp)) < 0) + return (-1); + sig_type = sym_ston(__p_type_syms, buf2, &success); + if (!success || sig_type == ns_t_any) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(sig_type, cp); + /* alg */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(1); + *cp++ = n; + /* labels */ + n = getnum_str(&startp, endp); + if (n <= 0 || n > 255) + return (-1); + ShrinkBuffer(1); + *cp++ = n; + /* ottl & expire */ + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + exptime = ns_datetosecs(buf2, &dateerror); + if (!dateerror) { + ShrinkBuffer(INT32SZ); + PUTLONG(rttl, cp); + } + else { + char *ulendp; + u_int32_t ottl; + + errno = 0; + ottl = strtoul(buf2, &ulendp, 10); + if (errno != 0 || + (ulendp != NULL && *ulendp != '\0')) + return (-1); + ShrinkBuffer(INT32SZ); + PUTLONG(ottl, cp); + if (!getword_str(buf2, sizeof buf2, &startp, + endp)) + return (-1); + exptime = ns_datetosecs(buf2, &dateerror); + if (dateerror) + return (-1); + } + /* expire */ + ShrinkBuffer(INT32SZ); + PUTLONG(exptime, cp); + /* timesigned */ + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + timesigned = ns_datetosecs(buf2, &dateerror); + if (!dateerror) { + ShrinkBuffer(INT32SZ); + PUTLONG(timesigned, cp); + } + else + return (-1); + /* footprint */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* signer name */ + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, dnptrs, lastdnptr); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + /* sig */ + if ((n = getword_str(buf2, sizeof buf2, + &startp, endp)) < 0) + return (-1); + siglen = b64_pton(buf2, buf3, sizeof(buf3)); + if (siglen < 0) + return (-1); + ShrinkBuffer(siglen); + memcpy(cp, buf3, siglen); + cp += siglen; + break; + } +#endif + case ns_t_key: + /* flags */ + n = gethexnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* proto */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(1); + *cp++ = n; + /* alg */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(1); + *cp++ = n; + /* key */ + if ((n = getword_str(buf2, sizeof buf2, + &startp, endp)) < 0) + return (-1); + keylen = b64_pton(buf2, buf3, sizeof(buf3)); + if (keylen < 0) + return (-1); + ShrinkBuffer(keylen); + memcpy(cp, buf3, keylen); + cp += keylen; + break; + case ns_t_nxt: + { + int success, nxt_type; + u_char data[32]; + int maxtype; + + /* next name */ + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, NULL, NULL); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + maxtype = 0; + memset(data, 0, sizeof data); + for (;;) { + if (!getword_str(buf2, sizeof buf2, &startp, + endp)) + break; + nxt_type = sym_ston(__p_type_syms, buf2, + &success); + if (!success || !ns_t_rr_p(nxt_type)) + return (-1); + NS_NXT_BIT_SET(nxt_type, data); + if (nxt_type > maxtype) + maxtype = nxt_type; + } + n = maxtype/NS_NXT_BITS+1; + ShrinkBuffer(n); + memcpy(cp, data, n); + cp += n; + break; + } + case ns_t_cert: + /* type */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* key tag */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* alg */ + n = getnum_str(&startp, endp); + if (n < 0) + return (-1); + ShrinkBuffer(1); + *cp++ = n; + /* cert */ + if ((n = getword_str(buf2, sizeof buf2, + &startp, endp)) < 0) + return (-1); + certlen = b64_pton(buf2, buf3, sizeof(buf3)); + if (certlen < 0) + return (-1); + ShrinkBuffer(certlen); + memcpy(cp, buf3, certlen); + cp += certlen; + break; + case ns_t_aaaa: + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + if (inet_pton(AF_INET6, buf2, &in6a) <= 0) + return (-1); + ShrinkBuffer(NS_IN6ADDRSZ); + memcpy(cp, &in6a, NS_IN6ADDRSZ); + cp += NS_IN6ADDRSZ; + break; + case ns_t_naptr: + /* Order Preference Flags Service Replacement Regexp */ + /* Order */ + n = getnum_str(&startp, endp); + if (n < 0 || n > 65535) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* Preference */ + n = getnum_str(&startp, endp); + if (n < 0 || n > 65535) + return (-1); + ShrinkBuffer(INT16SZ); + PUTSHORT(n, cp); + /* Flags */ + if ((n = getstr_str(buf2, sizeof buf2, + &startp, endp)) < 0) { + return (-1); + } + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + /* Service Classes */ + if ((n = getstr_str(buf2, sizeof buf2, + &startp, endp)) < 0) { + return (-1); + } + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + /* Pattern */ + if ((n = getstr_str(buf2, sizeof buf2, + &startp, endp)) < 0) { + return (-1); + } + if (n > 255) + return (-1); + ShrinkBuffer(n+1); + *cp++ = n; + memcpy(cp, buf2, n); + cp += n; + /* Replacement */ + if (!getword_str(buf2, sizeof buf2, &startp, endp)) + return (-1); + n = dn_comp(buf2, cp, buflen, NULL, NULL); + if (n < 0) + return (-1); + cp += n; + ShrinkBuffer(n); + break; + default: + return (-1); + } /*switch*/ + n = (u_int16_t)((cp - sp2) - INT16SZ); + PUTSHORT(n, sp2); + } /*for*/ + + hp->qdcount = htons(counts[0]); + hp->ancount = htons(counts[1]); + hp->nscount = htons(counts[2]); + hp->arcount = htons(counts[3]); + return (cp - buf); +} + +/*% + * Get a whitespace delimited word from a string (not file) + * into buf. modify the start pointer to point after the + * word in the string. + */ +static int +getword_str(char *buf, int size, u_char **startpp, u_char *endp) { + char *cp; + int c; + + for (cp = buf; *startpp <= endp; ) { + c = **startpp; + if (isspace(c) || c == '\0') { + if (cp != buf) /*%< trailing whitespace */ + break; + else { /*%< leading whitespace */ + (*startpp)++; + continue; + } + } + (*startpp)++; + if (cp >= buf+size-1) + break; + *cp++ = (u_char)c; + } + *cp = '\0'; + return (cp != buf); +} + +/*% + * get a white spae delimited string from memory. Process quoted strings + * and \\DDD escapes. Return length or -1 on error. Returned string may + * contain nulls. + */ +static char digits[] = "0123456789"; +static int +getstr_str(char *buf, int size, u_char **startpp, u_char *endp) { + char *cp; + int c, c1 = 0; + int inquote = 0; + int seen_quote = 0; + int escape = 0; + int dig = 0; + + for (cp = buf; *startpp <= endp; ) { + if ((c = **startpp) == '\0') + break; + /* leading white space */ + if ((cp == buf) && !seen_quote && isspace(c)) { + (*startpp)++; + continue; + } + + switch (c) { + case '\\': + if (!escape) { + escape = 1; + dig = 0; + c1 = 0; + (*startpp)++; + continue; + } + goto do_escape; + case '"': + if (!escape) { + inquote = !inquote; + seen_quote = 1; + (*startpp)++; + continue; + } + /* fall through */ + default: + do_escape: + if (escape) { + switch (c) { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + c1 = c1 * 10 + + (strchr(digits, c) - digits); + + if (++dig == 3) { + c = c1 &0xff; + break; + } + (*startpp)++; + continue; + } + escape = 0; + } else if (!inquote && isspace(c)) + goto done; + if (cp >= buf+size-1) + goto done; + *cp++ = (u_char)c; + (*startpp)++; + } + } + done: + *cp = '\0'; + return ((cp == buf)? (seen_quote? 0: -1): (cp - buf)); +} + +/*% + * Get a whitespace delimited base 16 number from a string (not file) into buf + * update the start pointer to point after the number in the string. + */ +static int +gethexnum_str(u_char **startpp, u_char *endp) { + int c, n; + int seendigit = 0; + int m = 0; + + if (*startpp + 2 >= endp || strncasecmp((char *)*startpp, "0x", 2) != 0) + return getnum_str(startpp, endp); + (*startpp)+=2; + for (n = 0; *startpp <= endp; ) { + c = **startpp; + if (isspace(c) || c == '\0') { + if (seendigit) /*%< trailing whitespace */ + break; + else { /*%< leading whitespace */ + (*startpp)++; + continue; + } + } + if (c == ';') { + while ((*startpp <= endp) && + ((c = **startpp) != '\n')) + (*startpp)++; + if (seendigit) + break; + continue; + } + if (!isxdigit(c)) { + if (c == ')' && seendigit) { + (*startpp)--; + break; + } + return (-1); + } + (*startpp)++; + if (isdigit(c)) + n = n * 16 + (c - '0'); + else + n = n * 16 + (tolower(c) - 'a' + 10); + seendigit = 1; + } + return (n + m); +} + +/*% + * Get a whitespace delimited base 10 number from a string (not file) into buf + * update the start pointer to point after the number in the string. + */ +static int +getnum_str(u_char **startpp, u_char *endp) { + int c, n; + int seendigit = 0; + int m = 0; + + for (n = 0; *startpp <= endp; ) { + c = **startpp; + if (isspace(c) || c == '\0') { + if (seendigit) /*%< trailing whitespace */ + break; + else { /*%< leading whitespace */ + (*startpp)++; + continue; + } + } + if (c == ';') { + while ((*startpp <= endp) && + ((c = **startpp) != '\n')) + (*startpp)++; + if (seendigit) + break; + continue; + } + if (!isdigit(c)) { + if (c == ')' && seendigit) { + (*startpp)--; + break; + } + return (-1); + } + (*startpp)++; + n = n * 10 + (c - '0'); + seendigit = 1; + } + return (n + m); +} + +/*% + * Allocate a resource record buffer & save rr info. + */ +ns_updrec * +res_mkupdrec(int section, const char *dname, + u_int class, u_int type, u_long ttl) { + ns_updrec *rrecp = (ns_updrec *)calloc(1, sizeof(ns_updrec)); + + if (!rrecp || !(rrecp->r_dname = strdup(dname))) { + if (rrecp) + free((char *)rrecp); + return (NULL); + } + INIT_LINK(rrecp, r_link); + INIT_LINK(rrecp, r_glink); + rrecp->r_class = (ns_class)class; + rrecp->r_type = (ns_type)type; + rrecp->r_ttl = ttl; + rrecp->r_section = (ns_sect)section; + return (rrecp); +} + +/*% + * Free a resource record buffer created by res_mkupdrec. + */ +void +res_freeupdrec(ns_updrec *rrecp) { + /* Note: freeing r_dp is the caller's responsibility. */ + if (rrecp->r_dname != NULL) + free(rrecp->r_dname); + free(rrecp); +} + +struct valuelist { + struct valuelist * next; + struct valuelist * prev; + char * name; + char * proto; + int port; +}; +static struct valuelist *servicelist, *protolist; + +static void +res_buildservicelist() { + struct servent *sp; + struct valuelist *slp; + +#ifdef MAYBE_HESIOD + setservent(0); +#else + setservent(1); +#endif + while ((sp = getservent()) != NULL) { + slp = (struct valuelist *)malloc(sizeof(struct valuelist)); + if (!slp) + break; + slp->name = strdup(sp->s_name); + slp->proto = strdup(sp->s_proto); + if ((slp->name == NULL) || (slp->proto == NULL)) { + if (slp->name) free(slp->name); + if (slp->proto) free(slp->proto); + free(slp); + break; + } + slp->port = ntohs((u_int16_t)sp->s_port); /*%< host byt order */ + slp->next = servicelist; + slp->prev = NULL; + if (servicelist) + servicelist->prev = slp; + servicelist = slp; + } + endservent(); +} + +#ifndef _LIBC +void +res_destroyservicelist() { + struct valuelist *slp, *slp_next; + + for (slp = servicelist; slp != NULL; slp = slp_next) { + slp_next = slp->next; + free(slp->name); + free(slp->proto); + free(slp); + } + servicelist = (struct valuelist *)0; +} +#endif + +#ifdef _LIBC +static +#endif +void +res_buildprotolist(void) { + struct protoent *pp; + struct valuelist *slp; + +#ifdef MAYBE_HESIOD + setprotoent(0); +#else + setprotoent(1); +#endif + while ((pp = getprotoent()) != NULL) { + slp = (struct valuelist *)malloc(sizeof(struct valuelist)); + if (!slp) + break; + slp->name = strdup(pp->p_name); + if (slp->name == NULL) { + free(slp); + break; + } + slp->port = pp->p_proto; /*%< host byte order */ + slp->next = protolist; + slp->prev = NULL; + if (protolist) + protolist->prev = slp; + protolist = slp; + } + endprotoent(); +} + +#ifndef _LIBC +void +res_destroyprotolist(void) { + struct valuelist *plp, *plp_next; + + for (plp = protolist; plp != NULL; plp = plp_next) { + plp_next = plp->next; + free(plp->name); + free(plp); + } + protolist = (struct valuelist *)0; +} +#endif + +static int +findservice(const char *s, struct valuelist **list) { + struct valuelist *lp = *list; + int n; + + for (; lp != NULL; lp = lp->next) + if (strcasecmp(lp->name, s) == 0) { + if (lp != *list) { + lp->prev->next = lp->next; + if (lp->next) + lp->next->prev = lp->prev; + (*list)->prev = lp; + lp->next = *list; + *list = lp; + } + return (lp->port); /*%< host byte order */ + } + if (sscanf(s, "%d", &n) != 1 || n <= 0) + n = -1; + return (n); +} + +/*% + * Convert service name or (ascii) number to int. + */ +#ifdef _LIBC +static +#endif +int +res_servicenumber(const char *p) { + if (servicelist == (struct valuelist *)0) + res_buildservicelist(); + return (findservice(p, &servicelist)); +} + +/*% + * Convert protocol name or (ascii) number to int. + */ +#ifdef _LIBC +static +#endif +int +res_protocolnumber(const char *p) { + if (protolist == (struct valuelist *)0) + res_buildprotolist(); + return (findservice(p, &protolist)); +} + +#ifndef _LIBC +static struct servent * +cgetservbyport(u_int16_t port, const char *proto) { /*%< Host byte order. */ + struct valuelist **list = &servicelist; + struct valuelist *lp = *list; + static struct servent serv; + + port = ntohs(port); + for (; lp != NULL; lp = lp->next) { + if (port != (u_int16_t)lp->port) /*%< Host byte order. */ + continue; + if (strcasecmp(lp->proto, proto) == 0) { + if (lp != *list) { + lp->prev->next = lp->next; + if (lp->next) + lp->next->prev = lp->prev; + (*list)->prev = lp; + lp->next = *list; + *list = lp; + } + serv.s_name = lp->name; + serv.s_port = htons((u_int16_t)lp->port); + serv.s_proto = lp->proto; + return (&serv); + } + } + return (0); +} + +static struct protoent * +cgetprotobynumber(int proto) { /*%< Host byte order. */ + struct valuelist **list = &protolist; + struct valuelist *lp = *list; + static struct protoent prot; + + for (; lp != NULL; lp = lp->next) + if (lp->port == proto) { /*%< Host byte order. */ + if (lp != *list) { + lp->prev->next = lp->next; + if (lp->next) + lp->next->prev = lp->prev; + (*list)->prev = lp; + lp->next = *list; + *list = lp; + } + prot.p_name = lp->name; + prot.p_proto = lp->port; /*%< Host byte order. */ + return (&prot); + } + return (0); +} + +const char * +res_protocolname(int num) { + static char number[8]; + struct protoent *pp; + + if (protolist == (struct valuelist *)0) + res_buildprotolist(); + pp = cgetprotobynumber(num); + if (pp == 0) { + (void) sprintf(number, "%d", num); + return (number); + } + return (pp->p_name); +} + +const char * +res_servicename(u_int16_t port, const char *proto) { /*%< Host byte order. */ + static char number[8]; + struct servent *ss; + + if (servicelist == (struct valuelist *)0) + res_buildservicelist(); + ss = cgetservbyport(htons(port), proto); + if (ss == 0) { + (void) sprintf(number, "%d", port); + return (number); + } + return (ss->s_name); +} +#endif diff --git a/freebsd-userspace/lib/libc/resolv/res_private.h b/freebsd-userspace/lib/libc/resolv/res_private.h new file mode 100644 index 00000000..75217406 --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_private.h @@ -0,0 +1,24 @@ +#include "port_before.h" + +#ifndef res_private_h +#define res_private_h + +struct __res_state_ext { + union res_sockaddr_union nsaddrs[MAXNS]; + struct sort_list { + int af; + union { + struct in_addr ina; + struct in6_addr in6a; + } addr, mask; + } sort_list[MAXRESOLVSORT]; + char nsuffix[64]; + char nsuffix2[64]; +}; + +extern int +res_ourserver_p(const res_state statp, const struct sockaddr *sa); + +#endif + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_query.c b/freebsd-userspace/lib/libc/resolv/res_query.c new file mode 100644 index 00000000..734e043a --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_query.c @@ -0,0 +1,491 @@ +#include "port_before.h" + +/* + * Copyright (c) 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_query.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: res_query.c,v 1.7.18.2 2008/04/03 23:15:15 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" +#include <sys/types.h> +#include <sys/param.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> +#include <ctype.h> +#include <errno.h> +#include <netdb.h> +#include <resolv.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include "port_after.h" + +/* Options. Leave them on. */ +#define DEBUG + +#if PACKETSZ > 1024 +#define MAXPACKET PACKETSZ +#else +#define MAXPACKET 1024 +#endif + +/*% + * Formulate a normal query, send, and await answer. + * Returned answer is placed in supplied buffer "answer". + * Perform preliminary check of answer, returning success only + * if no error is indicated and the answer count is nonzero. + * Return the size of the response on success, -1 on error. + * Error number is left in H_ERRNO. + * + * Caller must parse answer and determine whether it answers the question. + */ +int +res_nquery(res_state statp, + const char *name, /*%< domain name */ + int class, int type, /*%< class and type of query */ + u_char *answer, /*%< buffer to put answer */ + int anslen) /*%< size of answer buffer */ +{ + u_char buf[MAXPACKET]; + HEADER *hp = (HEADER *) answer; + u_int oflags; + u_char *rdata; + int n; + + oflags = statp->_flags; + +again: + hp->rcode = NOERROR; /*%< default */ +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_query(%s, %d, %d)\n", name, class, type); +#endif + + n = res_nmkquery(statp, QUERY, name, class, type, NULL, 0, NULL, + buf, sizeof(buf)); +#ifdef RES_USE_EDNS0 + if (n > 0 && (statp->_flags & RES_F_EDNS0ERR) == 0 && + (statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC|RES_NSID))) { + n = res_nopt(statp, n, buf, sizeof(buf), anslen); + rdata = &buf[n]; + if (n > 0 && (statp->options & RES_NSID) != 0U) { + n = res_nopt_rdata(statp, n, buf, sizeof(buf), rdata, + NS_OPT_NSID, 0, NULL); + } + } +#endif + if (n <= 0) { +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_query: mkquery failed\n"); +#endif + RES_SET_H_ERRNO(statp, NO_RECOVERY); + return (n); + } + + n = res_nsend(statp, buf, n, answer, anslen); + if (n < 0) { +#ifdef RES_USE_EDNS0 + /* if the query choked with EDNS0, retry without EDNS0 */ + if ((statp->options & (RES_USE_EDNS0|RES_USE_DNSSEC)) != 0U && + ((oflags ^ statp->_flags) & RES_F_EDNS0ERR) != 0) { + statp->_flags |= RES_F_EDNS0ERR; + if (statp->options & RES_DEBUG) + printf(";; res_nquery: retry without EDNS0\n"); + goto again; + } +#endif +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_query: send error\n"); +#endif + RES_SET_H_ERRNO(statp, TRY_AGAIN); + return (n); + } + + if (hp->rcode != NOERROR || ntohs(hp->ancount) == 0) { +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; rcode = (%s), counts = an:%d ns:%d ar:%d\n", + p_rcode(hp->rcode), + ntohs(hp->ancount), + ntohs(hp->nscount), + ntohs(hp->arcount)); +#endif + switch (hp->rcode) { + case NXDOMAIN: + RES_SET_H_ERRNO(statp, HOST_NOT_FOUND); + break; + case SERVFAIL: + RES_SET_H_ERRNO(statp, TRY_AGAIN); + break; + case NOERROR: + RES_SET_H_ERRNO(statp, NO_DATA); + break; + case FORMERR: + case NOTIMP: + case REFUSED: + default: + RES_SET_H_ERRNO(statp, NO_RECOVERY); + break; + } + return (-1); + } + return (n); +} + +/*% + * Formulate a normal query, send, and retrieve answer in supplied buffer. + * Return the size of the response on success, -1 on error. + * If enabled, implement search rules until answer or unrecoverable failure + * is detected. Error code, if any, is left in H_ERRNO. + */ +int +res_nsearch(res_state statp, + const char *name, /*%< domain name */ + int class, int type, /*%< class and type of query */ + u_char *answer, /*%< buffer to put answer */ + int anslen) /*%< size of answer */ +{ + const char *cp, * const *domain; + HEADER *hp = (HEADER *) answer; + char tmp[NS_MAXDNAME]; + u_int dots; + int trailing_dot, ret, saved_herrno; + int got_nodata = 0, got_servfail = 0, root_on_list = 0; + int tried_as_is = 0; + int searched = 0; + + errno = 0; + RES_SET_H_ERRNO(statp, HOST_NOT_FOUND); /*%< True if we never query. */ + dots = 0; + for (cp = name; *cp != '\0'; cp++) + dots += (*cp == '.'); + trailing_dot = 0; + if (cp > name && *--cp == '.') + trailing_dot++; + + /* If there aren't any dots, it could be a user-level alias. */ + if (!dots && (cp = res_hostalias(statp, name, tmp, sizeof tmp))!= NULL) + return (res_nquery(statp, cp, class, type, answer, anslen)); + + /* + * If there are enough dots in the name, let's just give it a + * try 'as is'. The threshold can be set with the "ndots" option. + * Also, query 'as is', if there is a trailing dot in the name. + */ + saved_herrno = -1; + if (dots >= statp->ndots || trailing_dot) { + ret = res_nquerydomain(statp, name, NULL, class, type, + answer, anslen); + if (ret > 0 || trailing_dot) + return (ret); + if (errno == ECONNREFUSED) { + RES_SET_H_ERRNO(statp, TRY_AGAIN); + return (-1); + } + switch (statp->res_h_errno) { + case NO_DATA: + case HOST_NOT_FOUND: + break; + case TRY_AGAIN: + if (hp->rcode == SERVFAIL) + break; + /* FALLTHROUGH */ + default: + return (-1); + } + saved_herrno = statp->res_h_errno; + tried_as_is++; + } + + /* + * We do at least one level of search if + * - there is no dot and RES_DEFNAME is set, or + * - there is at least one dot, there is no trailing dot, + * and RES_DNSRCH is set. + */ + if ((!dots && (statp->options & RES_DEFNAMES) != 0U) || + (dots && !trailing_dot && (statp->options & RES_DNSRCH) != 0U)) { + int done = 0; + + for (domain = (const char * const *)statp->dnsrch; + *domain && !done; + domain++) { + searched = 1; + + if (domain[0][0] == '\0' || + (domain[0][0] == '.' && domain[0][1] == '\0')) + root_on_list++; + + if (root_on_list && tried_as_is) + continue; + + ret = res_nquerydomain(statp, name, *domain, + class, type, + answer, anslen); + if (ret > 0) + return (ret); + + /* + * If no server present, give up. + * If name isn't found in this domain, + * keep trying higher domains in the search list + * (if that's enabled). + * On a NO_DATA error, keep trying, otherwise + * a wildcard entry of another type could keep us + * from finding this entry higher in the domain. + * If we get some other error (negative answer or + * server failure), then stop searching up, + * but try the input name below in case it's + * fully-qualified. + */ + if (errno == ECONNREFUSED) { + RES_SET_H_ERRNO(statp, TRY_AGAIN); + return (-1); + } + + switch (statp->res_h_errno) { + case NO_DATA: + got_nodata++; + /* FALLTHROUGH */ + case HOST_NOT_FOUND: + /* keep trying */ + break; + case TRY_AGAIN: + /* + * This can occur due to a server failure + * (that is, all listed servers have failed), + * or all listed servers have timed out. + * ((HEADER *)answer)->rcode may not be set + * to SERVFAIL in the case of a timeout. + * + * Either way we must return TRY_AGAIN in + * order to avoid non-deterministic + * return codes. + * For example, loaded name servers or races + * against network startup/validation (dhcp, + * ppp, etc) can cause the search to timeout + * on one search element, e.g. 'fu.bar.com', + * and return a definitive failure on the + * next search element, e.g. 'fu.'. + */ + got_servfail++; + if (hp->rcode == SERVFAIL) { + /* try next search element, if any */ + break; + } + /* FALLTHROUGH */ + default: + /* anything else implies that we're done */ + done++; + } + + /* if we got here for some reason other than DNSRCH, + * we only wanted one iteration of the loop, so stop. + */ + if ((statp->options & RES_DNSRCH) == 0U) + done++; + } + } + + switch (statp->res_h_errno) { + case NO_DATA: + case HOST_NOT_FOUND: + break; + case TRY_AGAIN: + if (hp->rcode == SERVFAIL) + break; + /* FALLTHROUGH */ + default: + goto giveup; + } + + /* + * If the query has not already been tried as is then try it + * unless RES_NOTLDQUERY is set and there were no dots. + */ + if ((dots || !searched || (statp->options & RES_NOTLDQUERY) == 0U) && + !(tried_as_is || root_on_list)) { + ret = res_nquerydomain(statp, name, NULL, class, type, + answer, anslen); + if (ret > 0) + return (ret); + } + + /* if we got here, we didn't satisfy the search. + * if we did an initial full query, return that query's H_ERRNO + * (note that we wouldn't be here if that query had succeeded). + * else if we ever got a nodata, send that back as the reason. + * else send back meaningless H_ERRNO, that being the one from + * the last DNSRCH we did. + */ +giveup: + if (saved_herrno != -1) + RES_SET_H_ERRNO(statp, saved_herrno); + else if (got_nodata) + RES_SET_H_ERRNO(statp, NO_DATA); + else if (got_servfail) + RES_SET_H_ERRNO(statp, TRY_AGAIN); + return (-1); +} + +/*% + * Perform a call on res_query on the concatenation of name and domain, + * removing a trailing dot from name if domain is NULL. + */ +int +res_nquerydomain(res_state statp, + const char *name, + const char *domain, + int class, int type, /*%< class and type of query */ + u_char *answer, /*%< buffer to put answer */ + int anslen) /*%< size of answer */ +{ + char nbuf[MAXDNAME]; + const char *longname = nbuf; + int n, d; + +#ifdef DEBUG + if (statp->options & RES_DEBUG) + printf(";; res_nquerydomain(%s, %s, %d, %d)\n", + name, domain?domain:"<Nil>", class, type); +#endif + if (domain == NULL) { + /* + * Check for trailing '.'; + * copy without '.' if present. + */ + n = strlen(name); + if (n >= MAXDNAME) { + RES_SET_H_ERRNO(statp, NO_RECOVERY); + return (-1); + } + n--; + if (n >= 0 && name[n] == '.') { + strncpy(nbuf, name, n); + nbuf[n] = '\0'; + } else + longname = name; + } else { + n = strlen(name); + d = strlen(domain); + if (n + d + 1 >= MAXDNAME) { + RES_SET_H_ERRNO(statp, NO_RECOVERY); + return (-1); + } + sprintf(nbuf, "%s.%s", name, domain); + } + return (res_nquery(statp, longname, class, type, answer, anslen)); +} + +const char * +res_hostalias(const res_state statp, const char *name, char *dst, size_t siz) { + char *file, *cp1, *cp2; + char buf[BUFSIZ]; + FILE *fp; + + if (statp->options & RES_NOALIASES) + return (NULL); + if (issetugid()) + return (NULL); + file = getenv("HOSTALIASES"); + if (file == NULL || (fp = fopen(file, "r")) == NULL) + return (NULL); + setbuf(fp, NULL); + buf[sizeof(buf) - 1] = '\0'; + while (fgets(buf, sizeof(buf), fp)) { + for (cp1 = buf; *cp1 && !isspace((unsigned char)*cp1); ++cp1) + ; + if (!*cp1) + break; + *cp1 = '\0'; + if (ns_samename(buf, name) == 1) { + while (isspace((unsigned char)*++cp1)) + ; + if (!*cp1) + break; + for (cp2 = cp1 + 1; *cp2 && + !isspace((unsigned char)*cp2); ++cp2) + ; + *cp2 = '\0'; + strncpy(dst, cp1, siz - 1); + dst[siz - 1] = '\0'; + fclose(fp); + return (dst); + } + } + fclose(fp); + return (NULL); +} + +/*! \file */ diff --git a/freebsd-userspace/lib/libc/resolv/res_send.c b/freebsd-userspace/lib/libc/resolv/res_send.c new file mode 100644 index 00000000..2fe2a7b2 --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_send.c @@ -0,0 +1,1183 @@ +#include "port_before.h" + +/* + * Copyright (c) 1985, 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Portions Copyright (c) 1993 by Digital Equipment Corporation. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies, and that + * the name of Digital Equipment Corporation not be used in advertising or + * publicity pertaining to distribution of the document or software without + * specific, written prior permission. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL + * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT + * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL + * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR + * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS + * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + */ + +/* + * Copyright (c) 2005 by Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char sccsid[] = "@(#)res_send.c 8.1 (Berkeley) 6/4/93"; +static const char rcsid[] = "$Id: res_send.c,v 1.9.18.10 2008/01/27 02:06:26 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/*! \file + * \brief + * Send query to name server and wait for reply. + */ + +#include "port_before.h" +#ifndef USE_KQUEUE +#include "fd_setsize.h" +#endif + +#include "namespace.h" +#include <sys/types.h> +#include <sys/param.h> +#include <sys/time.h> +#include <sys/socket.h> +#include <sys/uio.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> +#include <arpa/inet.h> + +#include <errno.h> +#include <netdb.h> +#include <resolv.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <isc/eventlib.h> + +#include "port_after.h" + +#ifdef USE_KQUEUE +#include <sys/event.h> +#else +#ifdef USE_POLL +#ifdef HAVE_STROPTS_H +#include <stropts.h> +#endif +#include <poll.h> +#endif /* USE_POLL */ +#endif + +#include "un-namespace.h" + +/* Options. Leave them on. */ +#define DEBUG +#include "res_debug.h" +#include "res_private.h" + +#define EXT(res) ((res)->_u._ext) + +#if !defined(USE_POLL) && !defined(USE_KQUEUE) +static const int highestFD = FD_SETSIZE - 1; +#endif + +/* Forward. */ + +static int get_salen(const struct sockaddr *); +static struct sockaddr * get_nsaddr(res_state, size_t); +static int send_vc(res_state, const u_char *, int, + u_char *, int, int *, int); +static int send_dg(res_state, +#ifdef USE_KQUEUE + int kq, +#endif + const u_char *, int, + u_char *, int, int *, int, int, + int *, int *); +static void Aerror(const res_state, FILE *, const char *, int, + const struct sockaddr *, int); +static void Perror(const res_state, FILE *, const char *, int); +static int sock_eq(struct sockaddr *, struct sockaddr *); +#if defined(NEED_PSELECT) && !defined(USE_POLL) && !defined(USE_KQUEUE) +static int pselect(int, void *, void *, void *, + struct timespec *, + const sigset_t *); +#endif +void res_pquery(const res_state, const u_char *, int, FILE *); + +static const int niflags = NI_NUMERICHOST | NI_NUMERICSERV; + +/* Public. */ + +/*% + * looks up "ina" in _res.ns_addr_list[] + * + * returns: + *\li 0 : not found + *\li >0 : found + * + * author: + *\li paul vixie, 29may94 + */ +int +res_ourserver_p(const res_state statp, const struct sockaddr *sa) { + const struct sockaddr_in *inp, *srv; + const struct sockaddr_in6 *in6p, *srv6; + int ns; + + switch (sa->sa_family) { + case AF_INET: + inp = (const struct sockaddr_in *)sa; + for (ns = 0; ns < statp->nscount; ns++) { + srv = (struct sockaddr_in *)get_nsaddr(statp, ns); + if (srv->sin_family == inp->sin_family && + srv->sin_port == inp->sin_port && + (srv->sin_addr.s_addr == INADDR_ANY || + srv->sin_addr.s_addr == inp->sin_addr.s_addr)) + return (1); + } + break; + case AF_INET6: + if (EXT(statp).ext == NULL) + break; + in6p = (const struct sockaddr_in6 *)sa; + for (ns = 0; ns < statp->nscount; ns++) { + srv6 = (struct sockaddr_in6 *)get_nsaddr(statp, ns); + if (srv6->sin6_family == in6p->sin6_family && + srv6->sin6_port == in6p->sin6_port && +#ifdef HAVE_SIN6_SCOPE_ID + (srv6->sin6_scope_id == 0 || + srv6->sin6_scope_id == in6p->sin6_scope_id) && +#endif + (IN6_IS_ADDR_UNSPECIFIED(&srv6->sin6_addr) || + IN6_ARE_ADDR_EQUAL(&srv6->sin6_addr, &in6p->sin6_addr))) + return (1); + } + break; + default: + break; + } + return (0); +} + +/*% + * look for (name,type,class) in the query section of packet (buf,eom) + * + * requires: + *\li buf + HFIXEDSZ <= eom + * + * returns: + *\li -1 : format error + *\li 0 : not found + *\li >0 : found + * + * author: + *\li paul vixie, 29may94 + */ +int +res_nameinquery(const char *name, int type, int class, + const u_char *buf, const u_char *eom) +{ + const u_char *cp = buf + HFIXEDSZ; + int qdcount = ntohs(((const HEADER*)buf)->qdcount); + + while (qdcount-- > 0) { + char tname[MAXDNAME+1]; + int n, ttype, tclass; + + n = dn_expand(buf, eom, cp, tname, sizeof tname); + if (n < 0) + return (-1); + cp += n; + if (cp + 2 * INT16SZ > eom) + return (-1); + ttype = ns_get16(cp); cp += INT16SZ; + tclass = ns_get16(cp); cp += INT16SZ; + if (ttype == type && tclass == class && + ns_samename(tname, name) == 1) + return (1); + } + return (0); +} + +/*% + * is there a 1:1 mapping of (name,type,class) + * in (buf1,eom1) and (buf2,eom2)? + * + * returns: + *\li -1 : format error + *\li 0 : not a 1:1 mapping + *\li >0 : is a 1:1 mapping + * + * author: + *\li paul vixie, 29may94 + */ +int +res_queriesmatch(const u_char *buf1, const u_char *eom1, + const u_char *buf2, const u_char *eom2) +{ + const u_char *cp = buf1 + HFIXEDSZ; + int qdcount = ntohs(((const HEADER*)buf1)->qdcount); + + if (buf1 + HFIXEDSZ > eom1 || buf2 + HFIXEDSZ > eom2) + return (-1); + + /* + * Only header section present in replies to + * dynamic update packets. + */ + if ((((const HEADER *)buf1)->opcode == ns_o_update) && + (((const HEADER *)buf2)->opcode == ns_o_update)) + return (1); + + if (qdcount != ntohs(((const HEADER*)buf2)->qdcount)) + return (0); + while (qdcount-- > 0) { + char tname[MAXDNAME+1]; + int n, ttype, tclass; + + n = dn_expand(buf1, eom1, cp, tname, sizeof tname); + if (n < 0) + return (-1); + cp += n; + if (cp + 2 * INT16SZ > eom1) + return (-1); + ttype = ns_get16(cp); cp += INT16SZ; + tclass = ns_get16(cp); cp += INT16SZ; + if (!res_nameinquery(tname, ttype, tclass, buf2, eom2)) + return (0); + } + return (1); +} + +int +res_nsend(res_state statp, + const u_char *buf, int buflen, u_char *ans, int anssiz) +{ + int gotsomewhere, terrno, tries, v_circuit, resplen, ns, n; +#ifdef USE_KQUEUE + int kq; +#endif + char abuf[NI_MAXHOST]; + + /* No name servers or res_init() failure */ + if (statp->nscount == 0 || EXT(statp).ext == NULL) { + errno = ESRCH; + return (-1); + } + if (anssiz < HFIXEDSZ) { + errno = EINVAL; + return (-1); + } + DprintQ((statp->options & RES_DEBUG) || (statp->pfcode & RES_PRF_QUERY), + (stdout, ";; res_send()\n"), buf, buflen); + v_circuit = (statp->options & RES_USEVC) || buflen > PACKETSZ; + gotsomewhere = 0; + terrno = ETIMEDOUT; + +#ifdef USE_KQUEUE + if ((kq = kqueue()) < 0) { + Perror(statp, stderr, "kqueue", errno); + return (-1); + } +#endif + + /* + * If the ns_addr_list in the resolver context has changed, then + * invalidate our cached copy and the associated timing data. + */ + if (EXT(statp).nscount != 0) { + int needclose = 0; + struct sockaddr_storage peer; + ISC_SOCKLEN_T peerlen; + + if (EXT(statp).nscount != statp->nscount) + needclose++; + else + for (ns = 0; ns < statp->nscount; ns++) { + if (statp->nsaddr_list[ns].sin_family && + !sock_eq((struct sockaddr *)&statp->nsaddr_list[ns], + (struct sockaddr *)&EXT(statp).ext->nsaddrs[ns])) { + needclose++; + break; + } + + if (EXT(statp).nssocks[ns] == -1) + continue; + peerlen = sizeof(peer); + if (_getsockname(EXT(statp).nssocks[ns], + (struct sockaddr *)&peer, &peerlen) < 0) { + needclose++; + break; + } + if (!sock_eq((struct sockaddr *)&peer, + get_nsaddr(statp, ns))) { + needclose++; + break; + } + } + if (needclose) { + res_nclose(statp); + EXT(statp).nscount = 0; + } + } + + /* + * Maybe initialize our private copy of the ns_addr_list. + */ + if (EXT(statp).nscount == 0) { + for (ns = 0; ns < statp->nscount; ns++) { + EXT(statp).nstimes[ns] = RES_MAXTIME; + EXT(statp).nssocks[ns] = -1; + if (!statp->nsaddr_list[ns].sin_family) + continue; + EXT(statp).ext->nsaddrs[ns].sin = + statp->nsaddr_list[ns]; + } + EXT(statp).nscount = statp->nscount; + } + + /* + * Some resolvers want to even out the load on their nameservers. + * Note that RES_BLAST overrides RES_ROTATE. + */ + if ((statp->options & RES_ROTATE) != 0U && + (statp->options & RES_BLAST) == 0U) { + union res_sockaddr_union inu; + struct sockaddr_in ina; + int lastns = statp->nscount - 1; + int fd; + u_int16_t nstime; + + if (EXT(statp).ext != NULL) + inu = EXT(statp).ext->nsaddrs[0]; + ina = statp->nsaddr_list[0]; + fd = EXT(statp).nssocks[0]; + nstime = EXT(statp).nstimes[0]; + for (ns = 0; ns < lastns; ns++) { + if (EXT(statp).ext != NULL) + EXT(statp).ext->nsaddrs[ns] = + EXT(statp).ext->nsaddrs[ns + 1]; + statp->nsaddr_list[ns] = statp->nsaddr_list[ns + 1]; + EXT(statp).nssocks[ns] = EXT(statp).nssocks[ns + 1]; + EXT(statp).nstimes[ns] = EXT(statp).nstimes[ns + 1]; + } + if (EXT(statp).ext != NULL) + EXT(statp).ext->nsaddrs[lastns] = inu; + statp->nsaddr_list[lastns] = ina; + EXT(statp).nssocks[lastns] = fd; + EXT(statp).nstimes[lastns] = nstime; + } + + /* + * Send request, RETRY times, or until successful. + */ + for (tries = 0; tries < statp->retry; tries++) { + for (ns = 0; ns < statp->nscount; ns++) { + struct sockaddr *nsap; + int nsaplen; + nsap = get_nsaddr(statp, ns); + nsaplen = get_salen(nsap); + statp->_flags &= ~RES_F_LASTMASK; + statp->_flags |= (ns << RES_F_LASTSHIFT); + same_ns: + if (statp->qhook) { + int done = 0, loops = 0; + + do { + res_sendhookact act; + + act = (*statp->qhook)(&nsap, &buf, &buflen, + ans, anssiz, &resplen); + switch (act) { + case res_goahead: + done = 1; + break; + case res_nextns: + res_nclose(statp); + goto next_ns; + case res_done: +#ifdef USE_KQUEUE + _close(kq); +#endif + return (resplen); + case res_modified: + /* give the hook another try */ + if (++loops < 42) /*doug adams*/ + break; + /*FALLTHROUGH*/ + case res_error: + /*FALLTHROUGH*/ + default: + goto fail; + } + } while (!done); + } + + Dprint(((statp->options & RES_DEBUG) && + getnameinfo(nsap, nsaplen, abuf, sizeof(abuf), + NULL, 0, niflags) == 0), + (stdout, ";; Querying server (# %d) address = %s\n", + ns + 1, abuf)); + + + if (v_circuit) { + /* Use VC; at most one attempt per server. */ + tries = statp->retry; + n = send_vc(statp, buf, buflen, ans, anssiz, &terrno, + ns); + if (n < 0) + goto fail; + if (n == 0) + goto next_ns; + resplen = n; + } else { + /* Use datagrams. */ + n = send_dg(statp, +#ifdef USE_KQUEUE + kq, +#endif + buf, buflen, ans, anssiz, &terrno, + ns, tries, &v_circuit, &gotsomewhere); + if (n < 0) + goto fail; + if (n == 0) + goto next_ns; + if (v_circuit) + goto same_ns; + resplen = n; + } + + Dprint((statp->options & RES_DEBUG) || + ((statp->pfcode & RES_PRF_REPLY) && + (statp->pfcode & RES_PRF_HEAD1)), + (stdout, ";; got answer:\n")); + + DprintQ((statp->options & RES_DEBUG) || + (statp->pfcode & RES_PRF_REPLY), + (stdout, "%s", ""), + ans, (resplen > anssiz) ? anssiz : resplen); + + /* + * If we have temporarily opened a virtual circuit, + * or if we haven't been asked to keep a socket open, + * close the socket. + */ + if ((v_circuit && (statp->options & RES_USEVC) == 0U) || + (statp->options & RES_STAYOPEN) == 0U) { + res_nclose(statp); + } + if (statp->rhook) { + int done = 0, loops = 0; + + do { + res_sendhookact act; + + act = (*statp->rhook)(nsap, buf, buflen, + ans, anssiz, &resplen); + switch (act) { + case res_goahead: + case res_done: + done = 1; + break; + case res_nextns: + res_nclose(statp); + goto next_ns; + case res_modified: + /* give the hook another try */ + if (++loops < 42) /*doug adams*/ + break; + /*FALLTHROUGH*/ + case res_error: + /*FALLTHROUGH*/ + default: + goto fail; + } + } while (!done); + + } +#ifdef USE_KQUEUE + _close(kq); +#endif + return (resplen); + next_ns: ; + } /*foreach ns*/ + } /*foreach retry*/ + res_nclose(statp); +#ifdef USE_KQUEUE + _close(kq); +#endif + if (!v_circuit) { + if (!gotsomewhere) + errno = ECONNREFUSED; /*%< no nameservers found */ + else + errno = ETIMEDOUT; /*%< no answer obtained */ + } else + errno = terrno; + return (-1); + fail: + res_nclose(statp); +#ifdef USE_KQUEUE + _close(kq); +#endif + return (-1); +} + +/* Private */ + +static int +get_salen(sa) + const struct sockaddr *sa; +{ + +#ifdef HAVE_SA_LEN + /* There are people do not set sa_len. Be forgiving to them. */ + if (sa->sa_len) + return (sa->sa_len); +#endif + + if (sa->sa_family == AF_INET) + return (sizeof(struct sockaddr_in)); + else if (sa->sa_family == AF_INET6) + return (sizeof(struct sockaddr_in6)); + else + return (0); /*%< unknown, die on connect */ +} + +/*% + * pick appropriate nsaddr_list for use. see res_init() for initialization. + */ +static struct sockaddr * +get_nsaddr(statp, n) + res_state statp; + size_t n; +{ + + if (!statp->nsaddr_list[n].sin_family && EXT(statp).ext) { + /* + * - EXT(statp).ext->nsaddrs[n] holds an address that is larger + * than struct sockaddr, and + * - user code did not update statp->nsaddr_list[n]. + */ + return (struct sockaddr *)(void *)&EXT(statp).ext->nsaddrs[n]; + } else { + /* + * - user code updated statp->nsaddr_list[n], or + * - statp->nsaddr_list[n] has the same content as + * EXT(statp).ext->nsaddrs[n]. + */ + return (struct sockaddr *)(void *)&statp->nsaddr_list[n]; + } +} + +static int +send_vc(res_state statp, + const u_char *buf, int buflen, u_char *ans, int anssiz, + int *terrno, int ns) +{ + const HEADER *hp = (const HEADER *) buf; + HEADER *anhp = (HEADER *) ans; + struct sockaddr *nsap; + int nsaplen; + int truncating, connreset, resplen, n; + struct iovec iov[2]; + u_short len; + u_char *cp; + void *tmp; +#ifdef SO_NOSIGPIPE + int on = 1; +#endif + + nsap = get_nsaddr(statp, ns); + nsaplen = get_salen(nsap); + + connreset = 0; + same_ns: + truncating = 0; + + /* Are we still talking to whom we want to talk to? */ + if (statp->_vcsock >= 0 && (statp->_flags & RES_F_VC) != 0) { + struct sockaddr_storage peer; + ISC_SOCKLEN_T size = sizeof peer; + + if (_getpeername(statp->_vcsock, + (struct sockaddr *)&peer, &size) < 0 || + !sock_eq((struct sockaddr *)&peer, nsap)) { + res_nclose(statp); + statp->_flags &= ~RES_F_VC; + } + } + + if (statp->_vcsock < 0 || (statp->_flags & RES_F_VC) == 0) { + if (statp->_vcsock >= 0) + res_nclose(statp); + + statp->_vcsock = _socket(nsap->sa_family, SOCK_STREAM, 0); +#if !defined(USE_POLL) && !defined(USE_KQUEUE) + if (statp->_vcsock > highestFD) { + res_nclose(statp); + errno = ENOTSOCK; + } +#endif + if (statp->_vcsock < 0) { + switch (errno) { + case EPROTONOSUPPORT: +#ifdef EPFNOSUPPORT + case EPFNOSUPPORT: +#endif + case EAFNOSUPPORT: + Perror(statp, stderr, "socket(vc)", errno); + return (0); + default: + *terrno = errno; + Perror(statp, stderr, "socket(vc)", errno); + return (-1); + } + } +#ifdef SO_NOSIGPIPE + /* + * Disable generation of SIGPIPE when writing to a closed + * socket. Write should return -1 and set errno to EPIPE + * instead. + * + * Push on even if setsockopt(SO_NOSIGPIPE) fails. + */ + (void)_setsockopt(statp->_vcsock, SOL_SOCKET, SO_NOSIGPIPE, &on, + sizeof(on)); +#endif + errno = 0; + if (_connect(statp->_vcsock, nsap, nsaplen) < 0) { + *terrno = errno; + Aerror(statp, stderr, "connect/vc", errno, nsap, + nsaplen); + res_nclose(statp); + return (0); + } + statp->_flags |= RES_F_VC; + } + + /* + * Send length & message + */ + ns_put16((u_short)buflen, (u_char*)&len); + iov[0] = evConsIovec(&len, INT16SZ); + DE_CONST(buf, tmp); + iov[1] = evConsIovec(tmp, buflen); + if (_writev(statp->_vcsock, iov, 2) != (INT16SZ + buflen)) { + *terrno = errno; + Perror(statp, stderr, "write failed", errno); + res_nclose(statp); + return (0); + } + /* + * Receive length & response + */ + read_len: + cp = ans; + len = INT16SZ; + while ((n = _read(statp->_vcsock, (char *)cp, (int)len)) > 0) { + cp += n; + if ((len -= n) == 0) + break; + } + if (n <= 0) { + *terrno = errno; + Perror(statp, stderr, "read failed", errno); + res_nclose(statp); + /* + * A long running process might get its TCP + * connection reset if the remote server was + * restarted. Requery the server instead of + * trying a new one. When there is only one + * server, this means that a query might work + * instead of failing. We only allow one reset + * per query to prevent looping. + */ + if (*terrno == ECONNRESET && !connreset) { + connreset = 1; + res_nclose(statp); + goto same_ns; + } + res_nclose(statp); + return (0); + } + resplen = ns_get16(ans); + if (resplen > anssiz) { + Dprint(statp->options & RES_DEBUG, + (stdout, ";; response truncated\n") + ); + truncating = 1; + len = anssiz; + } else + len = resplen; + if (len < HFIXEDSZ) { + /* + * Undersized message. + */ + Dprint(statp->options & RES_DEBUG, + (stdout, ";; undersized: %d\n", len)); + *terrno = EMSGSIZE; + res_nclose(statp); + return (0); + } + cp = ans; + while (len != 0 && + (n = _read(statp->_vcsock, (char *)cp, (int)len)) > 0) { + cp += n; + len -= n; + } + if (n <= 0) { + *terrno = errno; + Perror(statp, stderr, "read(vc)", errno); + res_nclose(statp); + return (0); + } + if (truncating) { + /* + * Flush rest of answer so connection stays in synch. + */ + anhp->tc = 1; + len = resplen - anssiz; + while (len != 0) { + char junk[PACKETSZ]; + + n = _read(statp->_vcsock, junk, + (len > sizeof junk) ? sizeof junk : len); + if (n > 0) + len -= n; + else + break; + } + } + /* + * If the calling applicating has bailed out of + * a previous call and failed to arrange to have + * the circuit closed or the server has got + * itself confused, then drop the packet and + * wait for the correct one. + */ + if (hp->id != anhp->id) { + DprintQ((statp->options & RES_DEBUG) || + (statp->pfcode & RES_PRF_REPLY), + (stdout, ";; old answer (unexpected):\n"), + ans, (resplen > anssiz) ? anssiz: resplen); + goto read_len; + } + + /* + * All is well, or the error is fatal. Signal that the + * next nameserver ought not be tried. + */ + return (resplen); +} + +static int +send_dg(res_state statp, +#ifdef USE_KQUEUE + int kq, +#endif + const u_char *buf, int buflen, u_char *ans, + int anssiz, int *terrno, int ns, int tries, int *v_circuit, + int *gotsomewhere) +{ + const HEADER *hp = (const HEADER *) buf; + HEADER *anhp = (HEADER *) ans; + const struct sockaddr *nsap; + int nsaplen; + struct timespec now, timeout, finish; + struct sockaddr_storage from; + ISC_SOCKLEN_T fromlen; + int resplen, seconds, n, s; +#ifdef USE_KQUEUE + struct kevent kv; +#else +#ifdef USE_POLL + int polltimeout; + struct pollfd pollfd; +#else + fd_set dsmask; +#endif +#endif + + nsap = get_nsaddr(statp, ns); + nsaplen = get_salen(nsap); + if (EXT(statp).nssocks[ns] == -1) { + EXT(statp).nssocks[ns] = _socket(nsap->sa_family, + SOCK_DGRAM, 0); +#if !defined(USE_POLL) && !defined(USE_KQUEUE) + if (EXT(statp).nssocks[ns] > highestFD) { + res_nclose(statp); + errno = ENOTSOCK; + } +#endif + if (EXT(statp).nssocks[ns] < 0) { + switch (errno) { + case EPROTONOSUPPORT: +#ifdef EPFNOSUPPORT + case EPFNOSUPPORT: +#endif + case EAFNOSUPPORT: + Perror(statp, stderr, "socket(dg)", errno); + return (0); + default: + *terrno = errno; + Perror(statp, stderr, "socket(dg)", errno); + return (-1); + } + } +#ifndef CANNOT_CONNECT_DGRAM + /* + * On a 4.3BSD+ machine (client and server, + * actually), sending to a nameserver datagram + * port with no nameserver will cause an + * ICMP port unreachable message to be returned. + * If our datagram socket is "connected" to the + * server, we get an ECONNREFUSED error on the next + * socket operation, and select returns if the + * error message is received. We can thus detect + * the absence of a nameserver without timing out. + * + * When the option "insecure1" is specified, we'd + * rather expect to see responses from an "unknown" + * address. In order to let the kernel accept such + * responses, do not connect the socket here. + * XXX: or do we need an explicit option to disable + * connecting? + */ + if (!(statp->options & RES_INSECURE1) && + _connect(EXT(statp).nssocks[ns], nsap, nsaplen) < 0) { + Aerror(statp, stderr, "connect(dg)", errno, nsap, + nsaplen); + res_nclose(statp); + return (0); + } +#endif /* !CANNOT_CONNECT_DGRAM */ + Dprint(statp->options & RES_DEBUG, + (stdout, ";; new DG socket\n")) + } + s = EXT(statp).nssocks[ns]; +#ifndef CANNOT_CONNECT_DGRAM + if (statp->options & RES_INSECURE1) { + if (_sendto(s, + (const char*)buf, buflen, 0, nsap, nsaplen) != buflen) { + Aerror(statp, stderr, "sendto", errno, nsap, nsaplen); + res_nclose(statp); + return (0); + } + } else if (send(s, (const char*)buf, buflen, 0) != buflen) { + Perror(statp, stderr, "send", errno); + res_nclose(statp); + return (0); + } +#else /* !CANNOT_CONNECT_DGRAM */ + if (_sendto(s, (const char*)buf, buflen, 0, nsap, nsaplen) != buflen) + { + Aerror(statp, stderr, "sendto", errno, nsap, nsaplen); + res_nclose(statp); + return (0); + } +#endif /* !CANNOT_CONNECT_DGRAM */ + + /* + * Wait for reply. + */ + seconds = (statp->retrans << tries); + if (ns > 0) + seconds /= statp->nscount; + if (seconds <= 0) + seconds = 1; + now = evNowTime(); + timeout = evConsTime(seconds, 0); + finish = evAddTime(now, timeout); + goto nonow; + wait: + now = evNowTime(); + nonow: +#ifndef USE_POLL + if (evCmpTime(finish, now) > 0) + timeout = evSubTime(finish, now); + else + timeout = evConsTime(0, 0); +#ifdef USE_KQUEUE + EV_SET(&kv, s, EVFILT_READ, EV_ADD | EV_ONESHOT, 0, 0, 0); + n = _kevent(kq, &kv, 1, &kv, 1, &timeout); +#else + FD_ZERO(&dsmask); + FD_SET(s, &dsmask); + n = pselect(s + 1, &dsmask, NULL, NULL, &timeout, NULL); +#endif +#else + timeout = evSubTime(finish, now); + if (timeout.tv_sec < 0) + timeout = evConsTime(0, 0); + polltimeout = 1000*timeout.tv_sec + + timeout.tv_nsec/1000000; + pollfd.fd = s; + pollfd.events = POLLRDNORM; + n = poll(&pollfd, 1, polltimeout); +#endif /* USE_POLL */ + + if (n == 0) { + Dprint(statp->options & RES_DEBUG, (stdout, ";; timeout\n")); + *gotsomewhere = 1; + return (0); + } + if (n < 0) { + if (errno == EINTR) + goto wait; +#ifdef USE_KQUEUE + Perror(statp, stderr, "kevent", errno); +#else +#ifndef USE_POLL + Perror(statp, stderr, "select", errno); +#else + Perror(statp, stderr, "poll", errno); +#endif /* USE_POLL */ +#endif + res_nclose(statp); + return (0); + } +#ifdef USE_KQUEUE + if (kv.ident != s) + goto wait; +#endif + errno = 0; + fromlen = sizeof(from); + resplen = _recvfrom(s, (char*)ans, anssiz,0, + (struct sockaddr *)&from, &fromlen); + if (resplen <= 0) { + Perror(statp, stderr, "recvfrom", errno); + res_nclose(statp); + return (0); + } + *gotsomewhere = 1; + if (resplen < HFIXEDSZ) { + /* + * Undersized message. + */ + Dprint(statp->options & RES_DEBUG, + (stdout, ";; undersized: %d\n", + resplen)); + *terrno = EMSGSIZE; + res_nclose(statp); + return (0); + } + if (hp->id != anhp->id) { + /* + * response from old query, ignore it. + * XXX - potential security hazard could + * be detected here. + */ + DprintQ((statp->options & RES_DEBUG) || + (statp->pfcode & RES_PRF_REPLY), + (stdout, ";; old answer:\n"), + ans, (resplen > anssiz) ? anssiz : resplen); + goto wait; + } + if (!(statp->options & RES_INSECURE1) && + !res_ourserver_p(statp, (struct sockaddr *)&from)) { + /* + * response from wrong server? ignore it. + * XXX - potential security hazard could + * be detected here. + */ + DprintQ((statp->options & RES_DEBUG) || + (statp->pfcode & RES_PRF_REPLY), + (stdout, ";; not our server:\n"), + ans, (resplen > anssiz) ? anssiz : resplen); + goto wait; + } +#ifdef RES_USE_EDNS0 + if (anhp->rcode == FORMERR && (statp->options & RES_USE_EDNS0) != 0U) { + /* + * Do not retry if the server do not understand EDNS0. + * The case has to be captured here, as FORMERR packet do not + * carry query section, hence res_queriesmatch() returns 0. + */ + DprintQ(statp->options & RES_DEBUG, + (stdout, "server rejected query with EDNS0:\n"), + ans, (resplen > anssiz) ? anssiz : resplen); + /* record the error */ + statp->_flags |= RES_F_EDNS0ERR; + res_nclose(statp); + return (0); + } +#endif + if (!(statp->options & RES_INSECURE2) && + !res_queriesmatch(buf, buf + buflen, + ans, ans + anssiz)) { + /* + * response contains wrong query? ignore it. + * XXX - potential security hazard could + * be detected here. + */ + DprintQ((statp->options & RES_DEBUG) || + (statp->pfcode & RES_PRF_REPLY), + (stdout, ";; wrong query name:\n"), + ans, (resplen > anssiz) ? anssiz : resplen); + goto wait; + } + if (anhp->rcode == SERVFAIL || + anhp->rcode == NOTIMP || + anhp->rcode == REFUSED) { + DprintQ(statp->options & RES_DEBUG, + (stdout, "server rejected query:\n"), + ans, (resplen > anssiz) ? anssiz : resplen); + res_nclose(statp); + /* don't retry if called from dig */ + if (!statp->pfcode) + return (0); + } + if (!(statp->options & RES_IGNTC) && anhp->tc) { + /* + * To get the rest of answer, + * use TCP with same server. + */ + Dprint(statp->options & RES_DEBUG, + (stdout, ";; truncated answer\n")); + *v_circuit = 1; + res_nclose(statp); + return (1); + } + /* + * All is well, or the error is fatal. Signal that the + * next nameserver ought not be tried. + */ + return (resplen); +} + +static void +Aerror(const res_state statp, FILE *file, const char *string, int error, + const struct sockaddr *address, int alen) +{ + int save = errno; + char hbuf[NI_MAXHOST]; + char sbuf[NI_MAXSERV]; + + alen = alen; + + if ((statp->options & RES_DEBUG) != 0U) { + if (getnameinfo(address, alen, hbuf, sizeof(hbuf), + sbuf, sizeof(sbuf), niflags)) { + strncpy(hbuf, "?", sizeof(hbuf) - 1); + hbuf[sizeof(hbuf) - 1] = '\0'; + strncpy(sbuf, "?", sizeof(sbuf) - 1); + sbuf[sizeof(sbuf) - 1] = '\0'; + } + fprintf(file, "res_send: %s ([%s].%s): %s\n", + string, hbuf, sbuf, strerror(error)); + } + errno = save; +} + +static void +Perror(const res_state statp, FILE *file, const char *string, int error) { + int save = errno; + + if ((statp->options & RES_DEBUG) != 0U) + fprintf(file, "res_send: %s: %s\n", + string, strerror(error)); + errno = save; +} + +static int +sock_eq(struct sockaddr *a, struct sockaddr *b) { + struct sockaddr_in *a4, *b4; + struct sockaddr_in6 *a6, *b6; + + if (a->sa_family != b->sa_family) + return 0; + switch (a->sa_family) { + case AF_INET: + a4 = (struct sockaddr_in *)a; + b4 = (struct sockaddr_in *)b; + return a4->sin_port == b4->sin_port && + a4->sin_addr.s_addr == b4->sin_addr.s_addr; + case AF_INET6: + a6 = (struct sockaddr_in6 *)a; + b6 = (struct sockaddr_in6 *)b; + return a6->sin6_port == b6->sin6_port && +#ifdef HAVE_SIN6_SCOPE_ID + a6->sin6_scope_id == b6->sin6_scope_id && +#endif + IN6_ARE_ADDR_EQUAL(&a6->sin6_addr, &b6->sin6_addr); + default: + return 0; + } +} + +#if defined(NEED_PSELECT) && !defined(USE_POLL) && !defined(USE_KQUEUE) +/* XXX needs to move to the porting library. */ +static int +pselect(int nfds, void *rfds, void *wfds, void *efds, + struct timespec *tsp, const sigset_t *sigmask) +{ + struct timeval tv, *tvp; + sigset_t sigs; + int n; + + if (tsp) { + tvp = &tv; + tv = evTimeVal(*tsp); + } else + tvp = NULL; + if (sigmask) + sigprocmask(SIG_SETMASK, sigmask, &sigs); + n = select(nfds, rfds, wfds, efds, tvp); + if (sigmask) + sigprocmask(SIG_SETMASK, &sigs, NULL); + if (tsp) + *tsp = evTimeSpec(tv); + return (n); +} +#endif diff --git a/freebsd-userspace/lib/libc/resolv/res_update.c b/freebsd-userspace/lib/libc/resolv/res_update.c new file mode 100644 index 00000000..afcd05f2 --- /dev/null +++ b/freebsd-userspace/lib/libc/resolv/res_update.c @@ -0,0 +1,224 @@ +#include "port_before.h" + +#if !defined(lint) && !defined(SABER) +static const char rcsid[] = "$Id: res_update.c,v 1.12.18.1 2005/04/27 05:01:12 sra Exp $"; +#endif /* not lint */ + +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1996-1999 by Internet Software Consortium. + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +/*! \file + * \brief + * Based on the Dynamic DNS reference implementation by Viraj Bais + * <viraj_bais@ccm.fm.intel.com> + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include "port_before.h" + +#include <sys/param.h> +#include <sys/socket.h> +#include <sys/time.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <errno.h> +#include <limits.h> +#include <netdb.h> +#include <res_update.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <isc/list.h> +#include <resolv.h> + +#include "port_after.h" +#include "res_private.h" + +/*% + * Separate a linked list of records into groups so that all records + * in a group will belong to a single zone on the nameserver. + * Create a dynamic update packet for each zone and send it to the + * nameservers for that zone, and await answer. + * Abort if error occurs in updating any zone. + * Return the number of zones updated on success, < 0 on error. + * + * On error, caller must deal with the unsynchronized zones + * eg. an A record might have been successfully added to the forward + * zone but the corresponding PTR record would be missing if error + * was encountered while updating the reverse zone. + */ + +struct zonegrp { + char z_origin[MAXDNAME]; + ns_class z_class; + union res_sockaddr_union z_nsaddrs[MAXNS]; + int z_nscount; + int z_flags; + LIST(ns_updrec) z_rrlist; + LINK(struct zonegrp) z_link; +}; + +#define ZG_F_ZONESECTADDED 0x0001 + +/* Forward. */ + +static void res_dprintf(const char *, ...) ISC_FORMAT_PRINTF(1, 2); + +/* Macros. */ + +#define DPRINTF(x) do {\ + int save_errno = errno; \ + if ((statp->options & RES_DEBUG) != 0U) res_dprintf x; \ + errno = save_errno; \ + } while (0) + +/* Public. */ + +int +res_nupdate(res_state statp, ns_updrec *rrecp_in, ns_tsig_key *key) { + ns_updrec *rrecp; + u_char answer[PACKETSZ]; + u_char *packet; + struct zonegrp *zptr, tgrp; + LIST(struct zonegrp) zgrps; + int nzones = 0, nscount = 0, n; + union res_sockaddr_union nsaddrs[MAXNS]; + + packet = malloc(NS_MAXMSG); + if (packet == NULL) { + DPRINTF(("malloc failed")); + return (0); + } + /* Thread all of the updates onto a list of groups. */ + INIT_LIST(zgrps); + memset(&tgrp, 0, sizeof (tgrp)); + for (rrecp = rrecp_in; rrecp; + rrecp = LINKED(rrecp, r_link) ? NEXT(rrecp, r_link) : NULL) { + int nscnt; + /* Find the origin for it if there is one. */ + tgrp.z_class = rrecp->r_class; + nscnt = res_findzonecut2(statp, rrecp->r_dname, tgrp.z_class, + RES_EXHAUSTIVE, tgrp.z_origin, + sizeof tgrp.z_origin, + tgrp.z_nsaddrs, MAXNS); + if (nscnt <= 0) { + DPRINTF(("res_findzonecut failed (%d)", nscnt)); + goto done; + } + tgrp.z_nscount = nscnt; + /* Find the group for it if there is one. */ + for (zptr = HEAD(zgrps); zptr != NULL; zptr = NEXT(zptr, z_link)) + if (ns_samename(tgrp.z_origin, zptr->z_origin) == 1 && + tgrp.z_class == zptr->z_class) + break; + /* Make a group for it if there isn't one. */ + if (zptr == NULL) { + zptr = malloc(sizeof *zptr); + if (zptr == NULL) { + DPRINTF(("malloc failed")); + goto done; + } + *zptr = tgrp; + zptr->z_flags = 0; + INIT_LINK(zptr, z_link); + INIT_LIST(zptr->z_rrlist); + APPEND(zgrps, zptr, z_link); + } + /* Thread this rrecp onto the right group. */ + APPEND(zptr->z_rrlist, rrecp, r_glink); + } + + for (zptr = HEAD(zgrps); zptr != NULL; zptr = NEXT(zptr, z_link)) { + /* Construct zone section and prepend it. */ + rrecp = res_mkupdrec(ns_s_zn, zptr->z_origin, + zptr->z_class, ns_t_soa, 0); + if (rrecp == NULL) { + DPRINTF(("res_mkupdrec failed")); + goto done; + } + PREPEND(zptr->z_rrlist, rrecp, r_glink); + zptr->z_flags |= ZG_F_ZONESECTADDED; + + /* Marshall the update message. */ + n = res_nmkupdate(statp, HEAD(zptr->z_rrlist), + packet, NS_MAXMSG); + DPRINTF(("res_mkupdate -> %d", n)); + if (n < 0) + goto done; + + /* Temporarily replace the resolver's nameserver set. */ + nscount = res_getservers(statp, nsaddrs, MAXNS); + res_setservers(statp, zptr->z_nsaddrs, zptr->z_nscount); + + /* Send the update and remember the result. */ + if (key != NULL) { +#ifdef _LIBC + DPRINTF(("TSIG is not supported\n")); + RES_SET_H_ERRNO(statp, NO_RECOVERY); + goto done; +#else + n = res_nsendsigned(statp, packet, n, key, + answer, sizeof answer); +#endif + } else + n = res_nsend(statp, packet, n, answer, sizeof answer); + if (n < 0) { + DPRINTF(("res_nsend: send error, n=%d (%s)\n", + n, strerror(errno))); + goto done; + } + if (((HEADER *)answer)->rcode == NOERROR) + nzones++; + + /* Restore resolver's nameserver set. */ + res_setservers(statp, nsaddrs, nscount); + nscount = 0; + } + done: + while (!EMPTY(zgrps)) { + zptr = HEAD(zgrps); + if ((zptr->z_flags & ZG_F_ZONESECTADDED) != 0) + res_freeupdrec(HEAD(zptr->z_rrlist)); + UNLINK(zgrps, zptr, z_link); + free(zptr); + } + if (nscount != 0) + res_setservers(statp, nsaddrs, nscount); + + free(packet); + return (nzones); +} + +/* Private. */ + +static void +res_dprintf(const char *fmt, ...) { + va_list ap; + + va_start(ap, fmt); + fputs(";; res_nupdate: ", stderr); + vfprintf(stderr, fmt, ap); + fputc('\n', stderr); + va_end(ap); +} diff --git a/freebsd-userspace/lib/libc/string/strsep.c b/freebsd-userspace/lib/libc/string/strsep.c new file mode 100644 index 00000000..afdbee6d --- /dev/null +++ b/freebsd-userspace/lib/libc/string/strsep.c @@ -0,0 +1,77 @@ +#include "port_before.h" + +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)strsep.c 8.1 (Berkeley) 6/4/93"; +#endif /* LIBC_SCCS and not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <string.h> +#include <stdio.h> + +/* + * Get next token from string *stringp, where tokens are possibly-empty + * strings separated by characters from delim. + * + * Writes NULs into the string at *stringp to end tokens. + * delim need not remain constant from call to call. + * On return, *stringp points past the last NUL written (if there might + * be further tokens), or is NULL (if there are definitely no more tokens). + * + * If *stringp is NULL, strsep returns NULL. + */ +char * +strsep(char **stringp, const char *delim) +{ + char *s; + const char *spanp; + int c, sc; + char *tok; + + if ((s = *stringp) == NULL) + return (NULL); + for (tok = s;;) { + c = *s++; + spanp = delim; + do { + if ((sc = *spanp++) == c) { + if (c == 0) + s = NULL; + else + s[-1] = 0; + *stringp = s; + return (tok); + } + } while (sc != 0); + } + /* NOTREACHED */ +} diff --git a/freebsd-userspace/sys/rpc/types.h b/freebsd-userspace/sys/rpc/types.h new file mode 100644 index 00000000..b476ada3 --- /dev/null +++ b/freebsd-userspace/sys/rpc/types.h @@ -0,0 +1,118 @@ +/* $NetBSD: types.h,v 1.13 2000/06/13 01:02:44 thorpej Exp $ */ + +/* + * Sun RPC is a product of Sun Microsystems, Inc. and is provided for + * unrestricted use provided that this legend is included on all tape + * media and as a part of the software program in whole or part. Users + * may copy or modify Sun RPC without charge, but are not authorized + * to license or distribute it to anyone else except as part of a product or + * program developed by the user. + * + * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE + * WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. + * + * Sun RPC is provided with no support and without any obligation on the + * part of Sun Microsystems, Inc. to assist in its use, correction, + * modification or enhancement. + * + * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE + * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC + * OR ANY PART THEREOF. + * + * In no event will Sun Microsystems, Inc. be liable for any lost revenue + * or profits or other special, indirect and consequential damages, even if + * Sun has been advised of the possibility of such damages. + * + * Sun Microsystems, Inc. + * 2550 Garcia Avenue + * Mountain View, California 94043 + * + * from: @(#)types.h 1.18 87/07/24 SMI + * from: @(#)types.h 2.3 88/08/15 4.0 RPCSRC + * $FreeBSD$ + */ + +/* + * Rpc additions to <sys/types.h> + */ +#ifndef _RPC_TYPES_H +#define _RPC_TYPES_H + +#include <sys/types.h> +#include <sys/_null.h> + +typedef int32_t bool_t; +typedef int32_t enum_t; + +typedef uint32_t rpcprog_t; +typedef uint32_t rpcvers_t; +typedef uint32_t rpcproc_t; +typedef uint32_t rpcprot_t; +typedef uint32_t rpcport_t; +typedef int32_t rpc_inline_t; + +#define __dontcare__ -1 + +#ifndef FALSE +# define FALSE (0) +#endif +#ifndef TRUE +# define TRUE (1) +#endif + +#ifdef _KERNEL +#ifdef _SYS_MALLOC_H_ +MALLOC_DECLARE(M_RPC); +#endif +#define mem_alloc(bsize) malloc(bsize, M_RPC, M_WAITOK|M_ZERO) +#define mem_free(ptr, bsize) free(ptr, M_RPC) +#else +#define mem_alloc(bsize) calloc(1, bsize) +#define mem_free(ptr, bsize) free(ptr) +#endif + +#include <sys/time.h> +#ifdef _KERNEL +#include <rpc/netconfig.h> +#else +#include <netconfig.h> +#endif + +/* + * The netbuf structure is defined here, because FreeBSD / NetBSD only use + * it inside the RPC code. It's in <xti.h> on SVR4, but it would be confusing + * to have an xti.h, since FreeBSD / NetBSD does not support XTI/TLI. + */ + +/* + * The netbuf structure is used for transport-independent address storage. + */ +struct netbuf { + unsigned int maxlen; + unsigned int len; + void *buf; +}; + +/* + * The format of the addres and options arguments of the XTI t_bind call. + * Only provided for compatibility, it should not be used. + */ + +struct t_bind { + struct netbuf addr; + unsigned int qlen; +}; + +/* + * Internal library and rpcbind use. This is not an exported interface, do + * not use. + */ +struct __rpc_sockinfo { + int si_af; + int si_proto; + int si_socktype; + int si_alen; +}; + +#endif /* !_RPC_TYPES_H */ diff --git a/freebsd-userspace/sys/sys/_null.h b/freebsd-userspace/sys/sys/_null.h new file mode 100644 index 00000000..ed6804cc --- /dev/null +++ b/freebsd-userspace/sys/sys/_null.h @@ -0,0 +1,45 @@ +/*- + * Copyright (c) 2003 Marcel Moolenaar + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef NULL + +#if !defined(__cplusplus) +#define NULL ((void *)0) +#else +#if defined(__GNUG__) && defined(__GNUC__) && __GNUC__ >= 4 +#define NULL __null +#else +#if defined(__LP64__) +#define NULL (0L) +#else +#define NULL 0 +#endif /* __LP64__ */ +#endif /* __GNUG__ */ +#endif /* !__cplusplus */ + +#endif diff --git a/freebsd-userspace/sys/sys/un.h b/freebsd-userspace/sys/sys/un.h new file mode 100644 index 00000000..1f4731e6 --- /dev/null +++ b/freebsd-userspace/sys/sys/un.h @@ -0,0 +1,70 @@ +/*- + * Copyright (c) 1982, 1986, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)un.h 8.3 (Berkeley) 2/19/95 + * $FreeBSD$ + */ + +#ifndef _SYS_UN_H_ +#define _SYS_UN_H_ + +#include <sys/cdefs.h> +#include <sys/_types.h> + +#ifndef _SA_FAMILY_T_DECLARED +typedef __sa_family_t sa_family_t; +#define _SA_FAMILY_T_DECLARED +#endif + +/* + * Definitions for UNIX IPC domain. + */ +struct sockaddr_un { + unsigned char sun_len; /* sockaddr len including null */ + sa_family_t sun_family; /* AF_UNIX */ + char sun_path[104]; /* path name (gag) */ +}; + +#if __BSD_VISIBLE + +/* Socket options. */ +#define LOCAL_PEERCRED 0x001 /* retrieve peer credentials */ +#define LOCAL_CREDS 0x002 /* pass credentials to receiver */ +#define LOCAL_CONNWAIT 0x004 /* connects block until accepted */ + +#ifndef _KERNEL + +/* actual length of an initialized sockaddr_un */ +#define SUN_LEN(su) \ + (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path)) + +#endif /* !_KERNEL */ + +#endif /* __BSD_VISIBLE */ + +#endif /* !_SYS_UN_H_ */ |