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[glibc.git] / sunrpc / svc_simple.c
blobb30e4cff4d160177bde1d735b271301c0443edbf
1 /* @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC */
2 /*
3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
4 * unrestricted use provided that this legend is included on all tape
5 * media and as a part of the software program in whole or part. Users
6 * may copy or modify Sun RPC without charge, but are not authorized
7 * to license or distribute it to anyone else except as part of a product or
8 * program developed by the user.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
30 #if !defined(lint) && defined(SCCSIDS)
31 static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";
32 #endif
35 * svc_simple.c
36 * Simplified front end to rpc.
38 * Copyright (C) 1984, Sun Microsystems, Inc.
41 #include <stdio.h>
42 #include <string.h>
43 #include <libintl.h>
44 #include <unistd.h>
45 #include <rpc/rpc.h>
46 #include <rpc/pmap_clnt.h>
47 #include <sys/socket.h>
48 #include <netdb.h>
50 #ifdef USE_IN_LIBIO
51 # include <wchar.h>
52 # include <libio/iolibio.h>
53 #endif
55 struct proglst_
57 char *(*p_progname) (char *);
58 int p_prognum;
59 int p_procnum;
60 xdrproc_t p_inproc, p_outproc;
61 struct proglst_ *p_nxt;
63 #ifdef _RPC_THREAD_SAFE_
64 #define proglst ((struct proglst_ *)RPC_THREAD_VARIABLE(svcsimple_proglst_s))
65 #else
66 static struct proglst_ *proglst;
67 #endif
70 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
71 #ifdef _RPC_THREAD_SAFE_
72 #define transp ((SVCXPRT *)RPC_THREAD_VARIABLE(svcsimple_transp_s))
73 #else
74 static SVCXPRT *transp;
75 #endif
77 int
78 registerrpc (u_long prognum, u_long versnum, u_long procnum,
79 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
81 struct proglst_ *pl;
82 char *buf;
84 if (procnum == NULLPROC)
87 (void) __asprintf (&buf, _("can't reassign procedure number %ld\n"),
88 NULLPROC);
89 goto err_out;
91 if (transp == 0)
93 transp = INTUSE(svcudp_create) (RPC_ANYSOCK);
94 if (transp == NULL)
96 buf = strdup (_("couldn't create an rpc server\n"));
97 goto err_out;
100 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
101 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
102 universal, IPPROTO_UDP))
104 (void) __asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
105 prognum, versnum);
106 goto err_out;
108 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
109 if (pl == NULL)
111 buf = strdup (_("registerrpc: out of memory\n"));
112 goto err_out;
114 pl->p_progname = progname;
115 pl->p_prognum = prognum;
116 pl->p_procnum = procnum;
117 pl->p_inproc = inproc;
118 pl->p_outproc = outproc;
119 pl->p_nxt = proglst;
120 proglst = pl;
121 return 0;
123 err_out:
124 #ifdef USE_IN_LIBIO
125 if (_IO_fwide (stderr, 0) > 0)
126 (void) __fwprintf (stderr, L"%s", buf);
127 else
128 #endif
129 (void) fputs (buf, stderr);
130 free (buf);
131 return -1;
134 static void
135 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
137 int prog, proc;
138 char *outdata;
139 char xdrbuf[UDPMSGSIZE];
140 struct proglst_ *pl;
141 char *buf = NULL;
144 * enforce "procnum 0 is echo" convention
146 if (rqstp->rq_proc == NULLPROC)
148 if (INTUSE(svc_sendreply) (transp_l, (xdrproc_t)INTUSE(xdr_void),
149 (char *) NULL) == FALSE)
151 __write (STDERR_FILENO, "xxx\n", 4);
152 exit (1);
154 return;
156 prog = rqstp->rq_prog;
157 proc = rqstp->rq_proc;
158 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
159 if (pl->p_prognum == prog && pl->p_procnum == proc)
161 /* decode arguments into a CLEAN buffer */
162 __bzero (xdrbuf, sizeof (xdrbuf)); /* required ! */
163 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
165 INTUSE(svcerr_decode) (transp_l);
166 return;
168 outdata = (*(pl->p_progname)) (xdrbuf);
169 if (outdata == NULL && pl->p_outproc != (xdrproc_t)INTUSE(xdr_void))
170 /* there was an error */
171 return;
172 if (!INTUSE(svc_sendreply) (transp_l, pl->p_outproc, outdata))
174 (void) __asprintf (&buf,
175 _("trouble replying to prog %d\n"),
176 pl->p_prognum);
177 exit (1);
179 /* free the decoded arguments */
180 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
181 return;
183 (void) __asprintf (&buf, _("never registered prog %d\n"), prog);
184 #ifdef USE_IN_LIBIO
185 if (_IO_fwide (stderr, 0) > 0)
186 __fwprintf (stderr, L"%s", buf);
187 else
188 #endif
189 fputs (buf, stderr);
190 free (buf);
191 exit (1);