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 #define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s)
59 static void universal (struct svc_req *rqstp, SVCXPRT *transp_s);
60 #define transp RPC_THREAD_VARIABLE(svcsimple_transp_s)
63 __registerrpc (u_long prognum, u_long versnum, u_long procnum,
64 char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc)
69 if (procnum == NULLPROC)
72 if (__asprintf (&buf, _("can't reassign procedure number %ld\n"),
79 transp = svcudp_create (RPC_ANYSOCK);
82 buf = __strdup (_("couldn't create an rpc server\n"));
86 (void) pmap_unset ((u_long) prognum, (u_long) versnum);
87 if (!svc_register (transp, (u_long) prognum, (u_long) versnum,
88 universal, IPPROTO_UDP))
90 if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"),
91 prognum, versnum) < 0)
95 pl = (struct proglst_ *) malloc (sizeof (struct proglst_));
98 buf = __strdup (_("registerrpc: out of memory\n"));
101 pl->p_progname = progname;
102 pl->p_prognum = prognum;
103 pl->p_procnum = procnum;
104 pl->p_inproc = inproc;
105 pl->p_outproc = outproc;
113 (void) __fxprintf (NULL, "%s", buf);
118 libc_sunrpc_symbol (__registerrpc, registerrpc, GLIBC_2_0)
122 universal (struct svc_req *rqstp, SVCXPRT *transp_l)
126 char xdrbuf[UDPMSGSIZE];
131 * enforce "procnum 0 is echo" convention
133 if (rqstp->rq_proc == NULLPROC)
135 if (svc_sendreply (transp_l, (xdrproc_t)xdr_void,
136 (char *) NULL) == FALSE)
138 __write (STDERR_FILENO, "xxx\n", 4);
143 prog = rqstp->rq_prog;
144 proc = rqstp->rq_proc;
145 for (pl = proglst; pl != NULL; pl = pl->p_nxt)
146 if (pl->p_prognum == prog && pl->p_procnum == proc)
148 /* decode arguments into a CLEAN buffer */
149 memset (xdrbuf, 0, sizeof (xdrbuf)); /* required ! */
150 if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf))
152 svcerr_decode (transp_l);
155 outdata = (*(pl->p_progname)) (xdrbuf);
156 if (outdata == NULL && pl->p_outproc != (xdrproc_t)xdr_void)
157 /* there was an error */
159 if (!svc_sendreply (transp_l, pl->p_outproc, outdata))
161 if (__asprintf (&buf, _("trouble replying to prog %d\n"),
166 /* free the decoded arguments */
167 (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf);
170 if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0)
175 __fxprintf (NULL, "%s", buf);