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 /* Experimentally off - libc_hidden_proto(strdup) */
59 /* Experimentally off - 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;
93 int registerrpc (u_long prognum, u_long versnum, u_long procnum,
94 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc);
96 registerrpc (u_long prognum, u_long versnum, u_long procnum,
97 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
102 if (procnum == NULLPROC)
105 (void) asprintf (&buf, _("can't reassign procedure number %ld\n"),
111 transp = svcudp_create (RPC_ANYSOCK);
114 buf = strdup (_("couldn't create an rpc server\n"));
118 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
119 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
120 universal, IPPROTO_UDP))
122 (void) asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
126 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
129 buf = strdup (_("registerrpc: out of memory\n"));
132 pl->p_progname = progname;
133 pl->p_prognum = prognum;
134 pl->p_procnum = procnum;
135 pl->p_inproc = inproc;
136 pl->p_outproc = outproc;
143 if (_IO_fwide (stderr, 0) > 0)
144 (void) __fwprintf (stderr, L"%s", buf);
147 (void) fputs (buf, stderr);
153 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
157 char xdrbuf[UDPMSGSIZE];
162 * enforce "procnum 0 is echo" convention
164 if (rqstp->rq_proc == NULLPROC)
166 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void, (char *) NULL) == FALSE)
168 write (STDERR_FILENO, "xxx\n", 4);
173 prog = rqstp->rq_prog;
174 proc = rqstp->rq_proc;
175 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
176 if (pl->p_prognum == prog && pl->p_procnum == proc)
178 /* decode arguments into a CLEAN buffer */
179 memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
180 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
182 svcerr_decode (transp_l);
185 outdata = (*(pl->p_progname)) (xdrbuf);
186 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
187 /* there was an error */
189 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
191 (void) asprintf (&buf,
192 _("trouble replying to prog %d\n"),
196 /* free the decoded arguments */
197 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
200 (void) asprintf (&buf, _("never registered prog %d\n"), prog);
202 if (_IO_fwide (stderr, 0) > 0)
203 __fwprintf (stderr, L"%s", buf);