1 /* @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC */
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.
28 * Mountain View, California 94043
31 static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro";
36 * Simplified front end to rpc.
38 * Copyright (C) 1984, Sun Microsystems, Inc.
48 #include "rpc_private.h"
49 #include <rpc/pmap_clnt.h>
50 #include <sys/socket.h>
55 # include <libio/iolibio.h>
56 # define fputs(s, f) _IO_fputs (s, f)
59 libc_hidden_proto(strdup)
60 libc_hidden_proto(memset)
61 libc_hidden_proto(asprintf)
62 libc_hidden_proto(fputs)
63 libc_hidden_proto(write)
64 libc_hidden_proto(exit)
65 libc_hidden_proto(svc_sendreply)
66 libc_hidden_proto(svc_register)
67 libc_hidden_proto(svcerr_decode)
68 libc_hidden_proto(svcudp_create)
69 libc_hidden_proto(pmap_unset)
70 libc_hidden_proto(xdr_void)
74 char *(*p_progname) (char *);
77 xdrproc_t p_inproc, p_outproc;
78 struct proglst_ *p_nxt;
80 #ifdef __UCLIBC_HAS_THREADS__
81 #define proglst (*(struct proglst_ **)&RPC_THREAD_VARIABLE(svcsimple_proglst_s))
83 static struct proglst_ *proglst;
87 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
88 #ifdef __UCLIBC_HAS_THREADS__
89 #define transp (*(SVCXPRT **)&RPC_THREAD_VARIABLE(svcsimple_transp_s))
91 static SVCXPRT *transp;
95 registerrpc (u_long prognum, u_long versnum, u_long procnum,
96 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
101 if (procnum == NULLPROC)
104 (void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
110 transp = svcudp_create (RPC_ANYSOCK);
113 buf = strdup (_("couldn't create an rpc server\n"));
117 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
118 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
119 universal, IPPROTO_UDP))
121 (void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
125 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
128 buf = strdup (_("registerrpc: out of memory\n"));
131 pl->p_progname = progname;
132 pl->p_prognum = prognum;
133 pl->p_procnum = procnum;
134 pl->p_inproc = inproc;
135 pl->p_outproc = outproc;
142 if (_IO_fwide (stderr, 0) > 0)
143 (void) __fwprintf (stderr, L"%s", buf);
146 (void) fputs (buf, stderr);
152 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
156 char xdrbuf[UDPMSGSIZE];
161 * enforce "procnum 0 is echo" convention
163 if (rqstp->rq_proc == NULLPROC)
165 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
167 write (STDERR_FILENO, "xxx\n", 4);
172 prog = rqstp->rq_prog;
173 proc = rqstp->rq_proc;
174 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
175 if (pl->p_prognum == prog && pl->p_procnum == proc)
177 /* decode arguments into a CLEAN buffer */
178 memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
179 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
181 svcerr_decode (transp_l);
184 outdata = (*(pl->p_progname)) (xdrbuf);
185 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
186 /* there was an error */
188 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
190 (void) asprintf (&buf,
191 _("trouble replying to prog %d\n"),
195 /* free the decoded arguments */
196 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
199 (void) asprintf (&buf, _("never registered prog %d\n"), prog);
201 if (_IO_fwide (stderr, 0) > 0)
202 __fwprintf (stderr, L"%s", buf);