source: rtems/cpukit/librpc/src/rpc/clnt_generic.c @ 1f5986b

4.104.115
Last change on this file since 1f5986b was 1f5986b, checked in by Ralf Corsepius <ralf.corsepius@…>, on 05/27/10 at 07:36:24

2010-05-27 Ralf Corsépius <ralf.corsepius@…>

  • librpc/include/rpc/clnt.h, librpc/include/rpc/rpc_msg.h, librpc/src/rpc/clnt_generic.c, librpc/src/rpc/clnt_raw.c, librpc/src/rpc/clnt_tcp.c, librpc/src/rpc/clnt_udp.c, librpc/src/rpc/pmap_clnt.c, librpc/src/rpc/pmap_getmaps.c librpc/src/rpc/pmap_getport.c: Partial merger from freebsd (portability fixes).
  • Property mode set to 100644
File size: 4.0 KB
Line 
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part.  Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California  94043
28 */
29
30#if defined(LIBC_SCCS) && !defined(lint)
31/*static char *sccsid = "from: @(#)clnt_generic.c 1.4 87/08/11 (C) 1987 SMI";*/
32/*static char *sccsid = "from: @(#)clnt_generic.c       2.2 88/08/01 4.0 RPCSRC";*/
33static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_generic.c,v 1.9 1999/08/28 00:00:35 peter Exp $";
34#endif
35
36/*
37 * Copyright (C) 1987, Sun Microsystems, Inc.
38 */
39#ifdef HAVE_CONFIG_H
40#include "config.h"
41#endif
42
43#include <rpc/rpc.h>
44#include <sys/socket.h>
45#include <sys/errno.h>
46#include <netdb.h>
47#include <string.h>
48
49/*
50 * Generic client creation: takes (hostname, program-number, protocol) and
51 * returns client handle. Default options are set, which the user can
52 * change using the rpc equivalent of ioctl()'s.
53 */
54CLIENT *
55clnt_create(
56        const char *hostname,
57        rpcprog_t prog,
58        rpcvers_t vers,
59        const char *proto)
60{
61        struct hostent *h;
62        struct protoent *p;
63        struct sockaddr_in sin;
64#ifndef __rtems__
65        struct sockaddr_un sun;
66#endif
67        int sock;
68        struct timeval tv;
69        CLIENT *client;
70
71#ifndef __rtems__
72        if (!strcmp(proto, "unix")) {
73                bzero((char *)&sun, sizeof(sun));
74                sun.sun_family = AF_UNIX;
75                strcpy(sun.sun_path, hostname);
76                sun.sun_len = sizeof(sun.sun_len) + sizeof(sun.sun_family) +
77                                strlen(sun.sun_path) + 1;
78                sock = RPC_ANYSOCK;
79                client = clntunix_create(&sun, prog, vers, &sock, 0, 0);
80                if (client == NULL)
81                        return(NULL);
82                tv.tv_sec = 25;
83                tv.tv_usec = 0;
84                clnt_control(client, CLSET_TIMEOUT, &tv);
85                return(client);
86        }
87#endif
88
89        h = gethostbyname(hostname);
90        if (h == NULL) {
91                rpc_createerr.cf_stat = RPC_UNKNOWNHOST;
92                return (NULL);
93        }
94        if (h->h_addrtype != AF_INET) {
95                /*
96                 * Only support INET for now
97                 */
98                rpc_createerr.cf_stat = RPC_SYSTEMERROR;
99                rpc_createerr.cf_error.re_errno = EAFNOSUPPORT;
100                return (NULL);
101        }
102        memset(&sin, 0, sizeof(sin));
103        sin.sin_len = sizeof(struct sockaddr_in);
104        sin.sin_family = h->h_addrtype;
105        sin.sin_port = 0;
106        memcpy((char*)&sin.sin_addr, h->h_addr, h->h_length);
107        p = getprotobyname(proto);
108        if (p == NULL) {
109                rpc_createerr.cf_stat = RPC_UNKNOWNPROTO;
110                rpc_createerr.cf_error.re_errno = EPFNOSUPPORT;
111                return (NULL);
112        }
113        sock = RPC_ANYSOCK;
114        switch (p->p_proto) {
115        case IPPROTO_UDP:
116                tv.tv_sec = 5;
117                tv.tv_usec = 0;
118                client = clntudp_create(&sin, prog, vers, tv, &sock);
119                if (client == NULL) {
120                        return (NULL);
121                }
122#if 0   /* XXX do we need this? */
123                tv.tv_sec = 25;
124                tv.tv_usec = 0;
125                clnt_control(client, CLSET_TIMEOUT, &tv);
126#endif
127                break;
128        case IPPROTO_TCP:
129                client = clnttcp_create(&sin, prog, vers, &sock, 0, 0);
130                if (client == NULL) {
131                        return (NULL);
132                }
133#if 0   /* XXX do we need this? */
134                tv.tv_sec = 25;
135                tv.tv_usec = 0;
136                clnt_control(client, CLSET_TIMEOUT, &tv);
137#endif
138                break;
139        default:
140                rpc_createerr.cf_stat = RPC_SYSTEMERROR;
141                rpc_createerr.cf_error.re_errno = EPFNOSUPPORT;
142                return (NULL);
143        }
144        return (client);
145}
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