3 * Simplified front end to rpc.
5 * Copyright (c) 2010, Oracle America, Inc.
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40 #include <rpc/pmap_clnt.h>
41 #include <sys/socket.h>
45 #include <libio/iolibio.h>
46 #include <shlib-compat.h>
50 char *(*p_progname) (char *);
53 xdrproc_t p_inproc, p_outproc;
54 struct proglst_ *p_nxt;
56 #ifdef _RPC_THREAD_SAFE_
57 #define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s)
59 static struct proglst_ *proglst;
63 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
64 #ifdef _RPC_THREAD_SAFE_
65 #define transp RPC_THREAD_VARIABLE(svcsimple_transp_s)
67 static SVCXPRT *transp;
71 __registerrpc (u_long prognum, u_long versnum, u_long procnum,
72 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
77 if (procnum == NULLPROC)
80 if (__asprintf (&buf, _("can't reassign procedure number %ld\n"),
87 transp = svcudp_create (RPC_ANYSOCK);
90 buf = strdup (_("couldn't create an rpc server\n"));
94 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
95 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
96 universal, IPPROTO_UDP))
98 if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
99 prognum, versnum) < 0)
103 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
106 buf = strdup (_("registerrpc: out of memory\n"));
109 pl->p_progname = progname;
110 pl->p_prognum = prognum;
111 pl->p_procnum = procnum;
112 pl->p_inproc = inproc;
113 pl->p_outproc = outproc;
121 (void) __fxprintf (NULL, "%s", buf);
126 libc_sunrpc_symbol (__registerrpc, registerrpc, GLIBC_2_0)
130 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
134 char xdrbuf[UDPMSGSIZE];
139 * enforce "procnum 0 is echo" convention
141 if (rqstp->rq_proc == NULLPROC)
143 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void,
144 (char *) NULL) == FALSE)
146 __write (STDERR_FILENO, "xxx\n", 4);
151 prog = rqstp->rq_prog;
152 proc = rqstp->rq_proc;
153 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
154 if (pl->p_prognum == prog && pl->p_procnum == proc)
156 /* decode arguments into a CLEAN buffer */
157 __bzero (xdrbuf, sizeof (xdrbuf)); /* required ! */
158 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
160 svcerr_decode (transp_l);
163 outdata = (*(pl->p_progname)) (xdrbuf);
164 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
165 /* there was an error */
167 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
169 if (__asprintf (&buf, _("trouble replying to prog %d\n"),
174 /* free the decoded arguments */
175 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
178 if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0)
183 __fxprintf (NULL, "%s", buf);