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.
47 #include "rpc_private.h"
48 #include <rpc/pmap_clnt.h>
49 #include <sys/socket.h>
54 # include <libio/iolibio.h>
55 # define fputs(s, f) _IO_fputs (s, f)
58 libc_hidden_proto(strdup)
59 libc_hidden_proto(memset)
60 libc_hidden_proto(asprintf)
61 libc_hidden_proto(fputs)
62 libc_hidden_proto(write)
63 libc_hidden_proto(exit)
64 libc_hidden_proto(svc_sendreply)
65 libc_hidden_proto(svc_register)
66 libc_hidden_proto(svcerr_decode)
67 libc_hidden_proto(svcudp_create)
68 libc_hidden_proto(pmap_unset)
69 libc_hidden_proto(xdr_void)
73 char *(*p_progname) (char *);
76 xdrproc_t p_inproc, p_outproc;
77 struct proglst_ *p_nxt;
79 #ifdef __UCLIBC_HAS_THREADS__
80 #define proglst (*(struct proglst_ **)&RPC_THREAD_VARIABLE(svcsimple_proglst_s))
82 static struct proglst_ *proglst;
86 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
87 #ifdef __UCLIBC_HAS_THREADS__
88 #define transp (*(SVCXPRT **)&RPC_THREAD_VARIABLE(svcsimple_transp_s))
90 static SVCXPRT *transp;
94 registerrpc (u_long prognum, u_long versnum, u_long procnum,
95 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
100 if (procnum == NULLPROC)
103 (void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
109 transp = svcudp_create (RPC_ANYSOCK);
112 buf = strdup (_("couldn't create an rpc server\n"));
116 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
117 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
118 universal, IPPROTO_UDP))
120 (void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
124 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
127 buf = strdup (_("registerrpc: out of memory\n"));
130 pl->p_progname = progname;
131 pl->p_prognum = prognum;
132 pl->p_procnum = procnum;
133 pl->p_inproc = inproc;
134 pl->p_outproc = outproc;
141 if (_IO_fwide (stderr, 0) > 0)
142 (void) __fwprintf (stderr, L"%s", buf);
145 (void) fputs (buf, stderr);
151 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
155 char xdrbuf[UDPMSGSIZE];
160 * enforce "procnum 0 is echo" convention
162 if (rqstp->rq_proc == NULLPROC)
164 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
166 write (STDERR_FILENO, "xxx\n", 4);
171 prog = rqstp->rq_prog;
172 proc = rqstp->rq_proc;
173 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
174 if (pl->p_prognum == prog && pl->p_procnum == proc)
176 /* decode arguments into a CLEAN buffer */
177 memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
178 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
180 svcerr_decode (transp_l);
183 outdata = (*(pl->p_progname)) (xdrbuf);
184 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
185 /* there was an error */
187 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
189 (void) asprintf (&buf,
190 _("trouble replying to prog %d\n"),
194 /* free the decoded arguments */
195 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
198 (void) asprintf (&buf, _("never registered prog %d\n"), prog);
200 if (_IO_fwide (stderr, 0) > 0)
201 __fwprintf (stderr, L"%s", buf);