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Diffstat (limited to '')
| -rw-r--r-- | cpukit/librpc/src/rpc/clnt_generic.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/cpukit/librpc/src/rpc/clnt_generic.c b/cpukit/librpc/src/rpc/clnt_generic.c index e69de29bb2..d387fae4c0 100644 --- a/cpukit/librpc/src/rpc/clnt_generic.c +++ b/cpukit/librpc/src/rpc/clnt_generic.c @@ -0,0 +1,141 @@ +/* + * 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 + */ + +#if defined(LIBC_SCCS) && !defined(lint) +/*static char *sccsid = "from: @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";*/ +/*static char *sccsid = "from: @(#)clnt_generic.c 2.2 88/08/01 4.0 RPCSRC";*/ +static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_generic.c,v 1.9 1999/08/28 00:00:35 peter Exp $"; +#endif + +/* + * Copyright (C) 1987, Sun Microsystems, Inc. + */ +#include <rpc/rpc.h> +#include <sys/socket.h> +#include <sys/errno.h> +#include <netdb.h> +#include <string.h> + +/* + * Generic client creation: takes (hostname, program-number, protocol) and + * returns client handle. Default options are set, which the user can + * change using the rpc equivalent of ioctl()'s. + */ +CLIENT * +clnt_create(hostname, prog, vers, proto) + char *hostname; + u_long prog; + u_long vers; + char *proto; +{ + struct hostent *h; + struct protoent *p; + struct sockaddr_in sin; +#ifndef __rtems__ + struct sockaddr_un sun; +#endif + int sock; + struct timeval tv; + CLIENT *client; + +#ifndef __rtems__ + if (!strcmp(proto, "unix")) { + bzero((char *)&sun, sizeof(sun)); + sun.sun_family = AF_UNIX; + strcpy(sun.sun_path, hostname); + sun.sun_len = sizeof(sun.sun_len) + sizeof(sun.sun_family) + + strlen(sun.sun_path) + 1; + sock = RPC_ANYSOCK; + client = clntunix_create(&sun, prog, vers, &sock, 0, 0); + if (client == NULL) + return(NULL); + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control(client, CLSET_TIMEOUT, &tv); + return(client); + } +#endif + + h = gethostbyname(hostname); + if (h == NULL) { + rpc_createerr.cf_stat = RPC_UNKNOWNHOST; + return (NULL); + } + if (h->h_addrtype != AF_INET) { + /* + * Only support INET for now + */ + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = EAFNOSUPPORT; + return (NULL); + } + memset(&sin, 0, sizeof(sin)); + sin.sin_len = sizeof(struct sockaddr_in); + sin.sin_family = h->h_addrtype; + sin.sin_port = 0; + memcpy((char*)&sin.sin_addr, h->h_addr, h->h_length); + p = getprotobyname(proto); + if (p == NULL) { + rpc_createerr.cf_stat = RPC_UNKNOWNPROTO; + rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; + return (NULL); + } + sock = RPC_ANYSOCK; + switch (p->p_proto) { + case IPPROTO_UDP: + tv.tv_sec = 5; + tv.tv_usec = 0; + client = clntudp_create(&sin, prog, vers, tv, &sock); + if (client == NULL) { + return (NULL); + } +#if 0 /* XXX do we need this? */ + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control(client, CLSET_TIMEOUT, &tv); +#endif + break; + case IPPROTO_TCP: + client = clnttcp_create(&sin, prog, vers, &sock, 0, 0); + if (client == NULL) { + return (NULL); + } +#if 0 /* XXX do we need this? */ + tv.tv_sec = 25; + tv.tv_usec = 0; + clnt_control(client, CLSET_TIMEOUT, &tv); +#endif + break; + default: + rpc_createerr.cf_stat = RPC_SYSTEMERROR; + rpc_createerr.cf_error.re_errno = EPFNOSUPPORT; + return (NULL); + } + return (client); +} |