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Diffstat (limited to 'cpukit/pppd/pppd.h')
| -rw-r--r-- | cpukit/pppd/pppd.h | 663 |
1 files changed, 663 insertions, 0 deletions
diff --git a/cpukit/pppd/pppd.h b/cpukit/pppd/pppd.h new file mode 100644 index 0000000000..8655f82783 --- /dev/null +++ b/cpukit/pppd/pppd.h @@ -0,0 +1,663 @@ +/* + * pppd.h - PPP daemon global declarations. + * + * Copyright (c) 1989 Carnegie Mellon University. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by Carnegie Mellon University. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + * + * $Id$ + */ + +#ifndef __PPPD_H__ +#define __PPPD_H__ + +#include <stdbool.h> /* bool */ +#include <stdio.h> /* for FILE */ +#include <limits.h> /* for NGROUPS_MAX */ +#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */ +#include <sys/types.h> /* for uint32_t, if defined */ +#include <sys/time.h> /* for struct timeval */ +#include <net/ppp_defs.h> +#include <rtems/rtemsdialer.h> +#include <stdint.h> + +#if defined(__STDC__) +#include <stdarg.h> +#define __V(x) x +#else +#include <varargs.h> +#define __V(x) (va_alist) va_dcl +#define const +#define volatile +#endif + +#ifdef INET6 +#include "eui64.h" +#endif + +/* + * Limits. + */ + +#define NUM_PPP 1 /* One PPP interface supported (per process) */ +#define MAXWORDLEN 1024 /* max length of word in file (incl null) */ +#define MAXARGS 1 /* max # args to a command */ +#define MAXNAMELEN 256 /* max length of hostname or name for auth */ +#define MAXSECRETLEN 256 /* max length of password or secret */ + +/* + * Option descriptor structure. + */ + +enum opt_type { + o_special_noarg = 0, + o_special = 1, + o_bool, + o_int, + o_uint32, + o_string, +}; + +typedef struct { + char *name; /* name of the option */ + enum opt_type type; + void *addr; + char *description; + uint32_t flags; + void *addr2; + int upper_limit; + int lower_limit; +} option_t; + +/* Values for flags */ +#define OPT_VALUE 0xffL /* mask for presupplied value */ +#define OPT_HEX 0x100L /* int option is in hex */ +#define OPT_NOARG 0x200L /* option doesn't take argument */ +#define OPT_OR 0x400L /* OR in argument to value */ +#define OPT_INC 0x800L /* increment value */ +#define OPT_PRIV 0x1000L /* privileged option */ +#define OPT_STATIC 0x2000L /* string option goes into static array */ +#define OPT_LLIMIT 0x4000L /* check value against lower limit */ +#define OPT_ULIMIT 0x8000L /* check value against upper limit */ +#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT) +#define OPT_ZEROOK 0x10000L /* 0 value is OK even if not within limits */ +#define OPT_NOINCR 0x20000L /* value mustn't be increased */ +#define OPT_ZEROINF 0x40000L /* with OPT_NOINCR, 0 == infinity */ +#define OPT_A2INFO 0x100000L /* addr2 -> option_info to update */ +#define OPT_A2COPY 0x200000L /* addr2 -> second location to rcv value */ +#define OPT_ENABLE 0x400000L /* use *addr2 as enable for option */ +#define OPT_PRIVFIX 0x800000L /* can't be overridden if noauth */ +#define OPT_PREPASS 0x1000000L /* do this opt in pre-pass to find device */ +#define OPT_INITONLY 0x2000000L /* option can only be set in init phase */ +#define OPT_DEVEQUIV 0x4000000L /* equiv to device name */ +#define OPT_DEVNAM (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV) + +#define OPT_VAL(x) ((x) & OPT_VALUE) + +#ifndef GIDSET_TYPE +#define GIDSET_TYPE gid_t +#endif + +/* Structure representing a list of permitted IP addresses. */ +struct permitted_ip { + int permit; /* 1 = permit, 0 = forbid */ + uint32_t base; /* match if (addr & mask) == base */ + uint32_t mask; /* base and mask are in network byte order */ +}; + +/* + * Unfortunately, the linux kernel driver uses a different structure + * for statistics from the rest of the ports. + * This structure serves as a common representation for the bits + * pppd needs. + */ +struct pppd_stats { + unsigned int bytes_in; + unsigned int bytes_out; +}; + +/* Used for storing a sequence of words. Usually malloced. */ +struct wordlist { + struct wordlist *next; + char *word; +}; + +/* + * Global variables. + */ + +extern int pppd_kill_link; /* Signal to terminate processing loop */ +extern int hungup; /* Physical layer has disconnected */ +extern int pppifunit; /* Interface unit number */ +extern char ifname[]; /* Interface name */ +extern int pppd_ttyfd; /* Serial device file descriptor */ +extern char hostname[]; /* Our hostname */ +extern u_char outpacket_buf[]; /* Buffer for outgoing packets */ +extern int pppd_phase; /* Current state of link - see values below */ +extern int baud_rate; /* Current link speed in bits/sec */ +extern int redirect_stderr;/* Connector's stderr should go to file */ +extern char peer_authname[];/* Authenticated name of peer */ +extern int privileged; /* We were run by real-uid root */ +extern int need_holdoff; /* Need holdoff period after link terminates */ +extern char **script_env; /* Environment variables for scripts */ +extern int detached; /* Have detached from controlling tty */ +extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */ +extern int ngroups; /* How many groups valid in groups */ +extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */ +extern int using_pty; /* using pty as device (notty or pty opt.) */ +extern int log_to_fd; /* logging to this fd as well as syslog */ +extern char *no_ppp_msg; /* message to print if ppp not in kernel */ +extern volatile int pppd_status; /* exit status for pppd */ +extern int devnam_fixed; /* can no longer change devnam */ +extern int unsuccess; /* # unsuccessful connection attempts */ +extern int do_callback; /* set if we want to do callback next */ +extern int doing_callback; /* set if this is a callback */ +extern dialerfp pppd_dialer; /* script dialer function callback */ + +/* Values for do_callback and doing_callback */ +#define CALLBACK_DIALIN 1 /* we are expecting the call back */ +#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */ + +/* + * Variables set by command-line options. + */ + +extern int debug; /* Debug flag */ +extern int kdebugflag; /* Tell kernel to print debug messages */ +extern int default_device; /* Using /dev/tty or equivalent */ +extern char devnam[MAXPATHLEN]; /* Device name */ +extern int crtscts; /* Use hardware flow control */ +extern bool modem; /* Use modem control lines */ +extern int inspeed; /* Input/Output speed requested */ +extern uint32_t netmask; /* IP netmask to set on interface */ +extern bool lockflag; /* Create lock file to lock the serial dev */ +extern bool nodetach; /* Don't detach from controlling tty */ +extern bool updetach; /* Detach from controlling tty when link up */ +extern char *initializer; /* Script to initialize physical link */ +extern char *connect_script; /* Script to establish physical link */ +extern char *disconnect_script; /* Script to disestablish physical link */ +extern char *welcomer; /* Script to welcome client after connection */ +extern char *ptycommand; /* Command to run on other side of pty */ +extern int maxconnect; /* Maximum connect time (seconds) */ +extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */ +extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */ +extern bool auth_required; /* Peer is required to authenticate */ +extern bool persist; /* Reopen link after it goes down */ +extern bool uselogin; /* Use /etc/passwd for checking PAP */ +extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */ +extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */ +extern bool explicit_remote;/* remote_name specified with remotename opt */ +extern bool demand; /* Do dial-on-demand */ +extern char *ipparam; /* Extra parameter for ip up/down scripts */ +extern bool cryptpap; /* Others' PAP passwords are encrypted */ +extern int idle_time_limit;/* Shut down link if idle for this long */ +extern int holdoff; /* Dead time before restarting */ +extern bool holdoff_specified; /* true if user gave a holdoff value */ +extern bool notty; /* Stdin/out is not a tty */ +extern char *record_file; /* File to record chars sent/received */ +extern bool sync_serial; /* Device is synchronous serial device */ +extern int maxfail; /* Max # of unsuccessful connection attempts */ +extern char linkname[MAXPATHLEN]; /* logical name for link */ +extern bool tune_kernel; /* May alter kernel settings as necessary */ +extern int connect_delay; /* Time to delay after connect script */ + +#ifdef PPP_FILTER +extern struct bpf_program pass_filter; /* Filter for pkts to pass */ +extern struct bpf_program active_filter; /* Filter for link-active pkts */ +#endif + +#ifdef MSLANMAN +extern bool ms_lanman; /* Use LanMan password instead of NT */ + /* Has meaning only with MS-CHAP challenges */ +#endif + +extern char *current_option; /* the name of the option being parsed */ +extern int privileged_option; /* set iff the current option came from root */ +extern char *option_source; /* string saying where the option came from */ + +/* + * Values for phase. + */ +#define PHASE_DEAD 0 +#define PHASE_INITIALIZE 1 +#define PHASE_SERIALCONN 2 +#define PHASE_DORMANT 3 +#define PHASE_ESTABLISH 4 +#define PHASE_AUTHENTICATE 5 +#define PHASE_CALLBACK 6 +#define PHASE_NETWORK 7 +#define PHASE_RUNNING 8 +#define PHASE_TERMINATE 9 +#define PHASE_DISCONNECT 10 +#define PHASE_HOLDOFF 11 + +/* + * The following struct gives the addresses of procedures to call + * for a particular protocol. + */ +struct protent { + u_short protocol; /* PPP protocol number */ + /* Initialization procedure */ + void (*init)(int unit); + /* Process a received packet */ + void (*input)(int unit, u_char *pkt, int len); + /* Process a received protocol-reject */ + void (*protrej)(int unit); + /* Lower layer has come up */ + void (*lowerup)(int unit); + /* Lower layer has gone down */ + void (*lowerdown)(int unit); + /* Open the protocol */ + void (*open)(int unit); + /* Close the protocol */ + void (*close)(int unit, char *reason); + /* Print a packet in readable form */ + int (*printpkt)(u_char *pkt, int len, + void (*printer)(void *, char *, ...), + void *arg); + /* Process a received data packet */ + void (*datainput)(int unit, u_char *pkt, int len); + bool enabled_flag; /* 0 iff protocol is disabled */ + char *name; /* Text name of protocol */ + char *data_name; /* Text name of corresponding data protocol */ + option_t *options; /* List of command-line options */ + /* Check requested options, assign defaults */ + void (*check_options)(void); + /* Configure interface for demand-dial */ + int (*demand_conf)(int unit); + /* Say whether to bring up link for this pkt */ + int (*active_pkt)(u_char *pkt, int len); +}; + +/* Table of pointers to supported protocols */ +extern struct protent *protocols[]; + +/* + * Prototypes. + */ + +/* Procedures exported from main.c. */ +void die(int); /* Cleanup and exit */ +void quit(void); /* like die(1) */ +void novm(char *); /* Say we ran out of memory, and die */ +void ppptimeout(void (*func)(void *), void *arg, int t); + /* Call func(arg) after t seconds */ +void pppuntimeout(void (*func)(void *), void *arg); + /* Cancel call to func(arg) */ +void update_link_stats(int); /* Get stats at link termination */ +void new_phase(int); /* signal start of new phase */ + +/* Procedures exported from utils.c. */ +void log_packet(u_char *, int, char *, int); + /* Format a packet and log it with syslog */ +void print_string(void *, int, void (*) (void *, char *, ...), + void *); /* Format a string for output */ +int slprintf(char *, int, char *, ...); /* sprintf++ */ +int vslprintf(char *, int, char *, va_list); /* vsprintf++ */ +size_t strlcpy(char *, const char *, size_t); /* safe strcpy */ +size_t strlcat(char *, const char *, size_t); /* safe strncpy */ +void pppd_dbglog(char *, ...); /* log a debug message */ +void pppd_info(char *, ...); /* log an informational message */ +void pppd_notice(char *, ...); /* log a notice-level message */ +void pppd_warn(char *, ...); /* log a warning message */ +void pppd_error(char *, ...); /* log an error message */ +void pppd_fatal(char *, ...); /* log an error message and die(1) */ + +#define dbglog pppd_dbglog +#define info pppd_info +#define notice pppd_notice +#define warn pppd_warn +#define error pppd_error +#define fatal pppd_fatal + +/* Procedures exported from auth.c */ +void link_required(int); /* we are starting to use the link */ +void link_terminated(int); /* we are finished with the link */ +void link_down(int); /* the LCP layer has left the Opened state */ +void link_established(int); /* the link is up; authenticate now */ +void start_networks(void); /* start all the network control protos */ +void np_up(int, int); /* a network protocol has come up */ +void np_down(int, int); /* a network protocol has gone down */ +void np_finished(int, int); /* a network protocol no longer needs link */ +void auth_peer_fail(int, int); + /* peer failed to authenticate itself */ +void auth_peer_success(int, int, char *, int); + /* peer successfully authenticated itself */ +void auth_withpeer_fail(int, int); + /* we failed to authenticate ourselves */ +void auth_withpeer_success(int, int); + /* we successfully authenticated ourselves */ +int auth_check_options(void); + /* check authentication options supplied */ +void auth_reset(int); /* check what secrets we have */ +int check_passwd(int, char *, int, char *, int, char **); + /* Check peer-supplied username/password */ +int get_secret(int, char *, char *, unsigned char *, int *, int); + /* get "secret" for chap */ +int auth_ip_addr(int, uint32_t); + /* check if IP address is authorized */ +int bad_ip_adrs(uint32_t); + /* check if IP address is unreasonable */ + +/* Procedures exported from demand.c */ +void demand_conf(void); /* config interface(s) for demand-dial */ +void demand_block(void); /* set all NPs to queue up packets */ +void demand_unblock(void); /* set all NPs to pass packets */ +void demand_discard(void); /* set all NPs to discard packets */ +void demand_rexmit(int); /* retransmit saved frames for an NP */ +int loop_chars(unsigned char *, int); /* process chars from loopback */ +int loop_frame(unsigned char *, int); /* should we bring link up? */ + +/* Procedures exported from sys-*.c */ +void sys_init(void); /* Do system-dependent initialization */ +void sys_cleanup(void); /* Restore system state before exiting */ +int sys_check_options(void); /* Check options specified */ +void sys_close(void); /* Clean up in a child before execing */ +int ppp_available(void); /* Test whether ppp kernel support exists */ +int get_pty(int *, int *, char *, int); /* Get pty master/slave */ +int open_ppp_loopback(void); /* Open loopback for demand-dialling */ +int establish_ppp(int); /* Turn serial port into a ppp interface */ +void restore_loop(void); /* Transfer ppp unit back to loopback */ +void disestablish_ppp(int); /* Restore port to normal operation */ +void clean_check(void); /* Check if line was 8-bit clean */ +void set_up_tty(int, int); /* Set up port's speed, parameters, etc. */ +void restore_tty(int); /* Restore port's original parameters */ +void setdtr(int, int); /* Raise or lower port's DTR line */ +void output(int, u_char *, int); /* Output a PPP packet */ +void wait_input(struct timeval *); /* Wait for input, with timeout */ + +void ppp_delay(void); /* delay task for a little while */ +int read_packet(u_char *); /* Read PPP packet */ +int get_loop_output(void); /* Read pkts from loopback */ +void ppp_send_config(int, int, uint32_t, int, int); + /* Configure i/f transmit parameters */ +void ppp_set_xaccm(int, ext_accm); + /* Set extended transmit ACCM */ +void ppp_recv_config(int, int, uint32_t, int, int); + /* Configure i/f receive parameters */ +int ccp_test(int, u_char *, int, int); + /* Test support for compression scheme */ +void ccp_flags_set(int, int, int); + /* Set kernel CCP state */ +int ccp_fatal_error(int); /* Test for fatal decomp error in kernel */ +int get_idle_time(int, struct ppp_idle *); + /* Find out how long link has been idle */ +int get_ppp_stats(int, struct pppd_stats *); + /* Return link statistics */ +int sifvjcomp(int, int, int, int); + /* Configure VJ TCP header compression */ +int sifup(int); /* Configure i/f up for one protocol */ +int sifnpmode(int u, int proto, enum NPmode mode); + /* Set mode for handling packets for proto */ +int sifdown(int); /* Configure i/f down for one protocol */ +int sifaddr(int, uint32_t, uint32_t, uint32_t); + /* Configure IPv4 addresses for i/f */ +int cifaddr(int, uint32_t, uint32_t); + /* Reset i/f IP addresses */ +#ifdef INET6 +int sif6addr(int, eui64_t, eui64_t); + /* Configure IPv6 addresses for i/f */ +int cif6addr(int, eui64_t, eui64_t); + /* Remove an IPv6 address from i/f */ +#endif +int sifdefaultroute(int, uint32_t, uint32_t); + /* Create default route through i/f */ +int cifdefaultroute(int, uint32_t, uint32_t); + /* Delete default route through i/f */ +int sifproxyarp(int, uint32_t); + /* Add proxy ARP entry for peer */ +int cifproxyarp(int, uint32_t); + /* Delete proxy ARP entry for peer */ +uint32_t GetMask(uint32_t); /* Get appropriate netmask for address */ +int lock(char *); /* Create lock file for device */ +int relock(int); /* Rewrite lock file with new pid */ +void unlock(void); /* Delete previously-created lock file */ +void logwtmp(const char *, const char *, const char *); + /* Write entry to wtmp file */ +int get_host_seed(void); /* Get host-dependent random number seed */ +int have_route_to(uint32_t); /* Check if route to addr exists */ +#ifdef PPP_FILTER +int set_filters(struct bpf_program *pass, struct bpf_program *active); + /* Set filter programs in kernel */ +#endif +#ifdef IPX_CHANGE +int sipxfaddr(int, unsigned long, unsigned char *); +int cipxfaddr(int); +#endif + +/* Procedures exported from options.c */ +int parse_args(int argc, char **argv); + /* Parse options from arguments given */ +int options_from_file(char *filename, int must_exist, int check_prot, + int privileged); + /* Parse options from an options file */ +int options_from_user(void); /* Parse options from user's .ppprc */ +int options_for_tty(void); /* Parse options from /etc/ppp/options.tty */ +int options_from_list(struct wordlist *, int privileged); + /* Parse options from a wordlist */ +int getword(FILE *f, char *word, int *newlinep, char *filename); + /* Read a word from a file */ +void option_error(char *fmt, ...); + /* Print an error message about an option */ +int int_option(char *, int *); + /* Simplified number_option for decimal ints */ +void add_options(option_t *); /* Add extra options */ + +/* + * This structure is used to store information about certain + * options, such as where the option value came from (/etc/ppp/options, + * command line, etc.) and whether it came from a privileged source. + */ + +struct option_info { + int priv; /* was value set by sysadmin? */ + char *source; /* where option came from */ +}; + +extern struct option_info devnam_info; +extern struct option_info initializer_info; +extern struct option_info connect_script_info; +extern struct option_info disconnect_script_info; +extern struct option_info welcomer_info; +extern struct option_info ptycommand_info; + +/* + * Hooks to enable plugins to change various things. + */ +extern int (*new_phase_hook)(int); +extern int (*idle_time_hook)(struct ppp_idle *); +extern int (*holdoff_hook)(void); +extern int (*pap_check_hook)(void); +extern int (*pap_auth_hook)(char *user, char *passwd/*, char **msgp, + struct wordlist **paddrs, + struct wordlist **popts*/); +extern void (*pap_logout_hook)(void); +extern int (*pap_passwd_hook)(char *user, char *passwd); +extern void (*ip_up_hook)(void); +extern void (*ip_down_hook)(void); +extern void (*auth_linkup_hook)(void); +extern void (*auth_linkdown_hook)(void); + +/* + * Inline versions of get/put char/short/long. + * Pointer is advanced; we assume that both arguments + * are lvalues and will already be in registers. + * cp MUST be u_char *. + */ +#define GETCHAR(c, cp) { \ + (c) = *(cp)++; \ +} +#define PUTCHAR(c, cp) { \ + *(cp)++ = (u_char) (c); \ +} + + +#define GETSHORT(s, cp) { \ + (s) = *(cp)++ << 8; \ + (s) |= *(cp)++; \ +} +#define PUTSHORT(s, cp) { \ + *(cp)++ = (u_char) ((s) >> 8); \ + *(cp)++ = (u_char) (s); \ +} + +#define GETLONG(l, cp) { \ + (l) = *(cp)++ << 8; \ + (l) |= *(cp)++; (l) <<= 8; \ + (l) |= *(cp)++; (l) <<= 8; \ + (l) |= *(cp)++; \ +} +#define PUTLONG(l, cp) { \ + *(cp)++ = (u_char) ((l) >> 24); \ + *(cp)++ = (u_char) ((l) >> 16); \ + *(cp)++ = (u_char) ((l) >> 8); \ + *(cp)++ = (u_char) (l); \ +} + +#define INCPTR(n, cp) ((cp) += (n)) +#define DECPTR(n, cp) ((cp) -= (n)) + +/* + * System dependent definitions for user-level 4.3BSD UNIX implementation. + */ + +#define TIMEOUT(r, f, t) ppptimeout((r), (f), (t)) +#define UNTIMEOUT(r, f) pppuntimeout((r), (f)) + +#define BCOPY(s, d, l) memcpy(d, s, l) +#define BZERO(s, n) memset(s, 0, n) + +#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); } + +/* + * MAKEHEADER - Add Header fields to a packet. + */ +#define MAKEHEADER(p, t) { \ + PUTCHAR(PPP_ALLSTATIONS, p); \ + PUTCHAR(PPP_UI, p); \ + PUTSHORT(t, p); } + +/* + * Exit status values. + */ +#define EXIT_OK 0 +#define EXIT_FATAL_ERROR 1 +#define EXIT_OPTION_ERROR 2 +#define EXIT_NOT_ROOT 3 +#define EXIT_NO_KERNEL_SUPPORT 4 +#define EXIT_USER_REQUEST 5 +#define EXIT_LOCK_FAILED 6 +#define EXIT_OPEN_FAILED 7 +#define EXIT_CONNECT_FAILED 8 +#define EXIT_PTYCMD_FAILED 9 +#define EXIT_NEGOTIATION_FAILED 10 +#define EXIT_PEER_AUTH_FAILED 11 +#define EXIT_IDLE_TIMEOUT 12 +#define EXIT_CONNECT_TIME 13 +#define EXIT_CALLBACK 14 +#define EXIT_PEER_DEAD 15 +#define EXIT_HANGUP 16 +#define EXIT_LOOPBACK 17 +#define EXIT_INIT_FAILED 18 +#define EXIT_AUTH_TOPEER_FAILED 19 + +/* + * Debug macros. Slightly useful for finding bugs in pppd, not particularly + * useful for finding out why your connection isn't being established. + */ + +#ifdef DEBUGALL +#define DEBUGMAIN 1 +#define DEBUGFSM 1 +#define DEBUGLCP 1 +#define DEBUGIPCP 1 +#define DEBUGIPV6CP 1 +#define DEBUGUPAP 1 +#define DEBUGCHAP 1 +#endif +#define DEBUGMAIN 1 +#define DEBUGUPAP 1 +#define DEBUGCHAP 1 + + +#ifdef DEBUGMAIN +#define MAINDEBUG(x) if (debug) dbglog x +#else +#define MAINDEBUG(x) +#endif + +#ifdef DEBUGSYS +#define SYSDEBUG(x) if (debug) dbglog x +#else +#define SYSDEBUG(x) +#endif + +#ifdef DEBUGFSM +#define FSMDEBUG(x) if (debug) dbglog x +#else +#define FSMDEBUG(x) +#endif + +#ifdef DEBUGLCP +#define LCPDEBUG(x) if (debug) dbglog x +#else +#define LCPDEBUG(x) +#endif + +#ifdef DEBUGIPCP +#define IPCPDEBUG(x) if (debug) dbglog x +#else +#define IPCPDEBUG(x) +#endif + +#ifdef DEBUGIPV6CP +#define IPV6CPDEBUG(x) if (debug) dbglog x +#else +#define IPV6CPDEBUG(x) +#endif + +#ifdef DEBUGUPAP +#define UPAPDEBUG(x) if (debug) dbglog x +#else +#define UPAPDEBUG(x) +#endif + +#ifdef DEBUGCHAP +#define CHAPDEBUG(x) if (debug) dbglog x +#else +#define CHAPDEBUG(x) +#endif + +#ifdef DEBUGIPXCP +#define IPXCPDEBUG(x) if (debug) dbglog x +#else +#define IPXCPDEBUG(x) +#endif + +#ifndef SIGTYPE +#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) +#define SIGTYPE void +#else +#define SIGTYPE int +#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */ +#endif /* SIGTYPE */ + +#ifndef MIN +#define MIN(a, b) ((a) < (b)? (a): (b)) +#endif +#ifndef MAX +#define MAX(a, b) ((a) > (b)? (a): (b)) +#endif + +#endif /* __PPP_H__ */ |