| /* @(#)svc_simple.c 2.2 88/08/01 4.0 RPCSRC */ |
| /* |
| * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
| * unrestricted use provided that this legend is included on all tape |
| * media and as a part of the software program in whole or part. Users |
| * may copy or modify Sun RPC without charge, but are not authorized |
| * to license or distribute it to anyone else except as part of a product or |
| * program developed by the user. |
| * |
| * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
| * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
| * |
| * Sun RPC is provided with no support and without any obligation on the |
| * part of Sun Microsystems, Inc. to assist in its use, correction, |
| * modification or enhancement. |
| * |
| * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
| * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
| * OR ANY PART THEREOF. |
| * |
| * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
| * or profits or other special, indirect and consequential damages, even if |
| * Sun has been advised of the possibility of such damages. |
| * |
| * Sun Microsystems, Inc. |
| * 2550 Garcia Avenue |
| * Mountain View, California 94043 |
| */ |
| #if !defined(lint) && defined(SCCSIDS) |
| static char sccsid[] = "@(#)svc_simple.c 1.18 87/08/11 Copyr 1984 Sun Micro"; |
| #endif |
| |
| /* |
| * svc_simple.c |
| * Simplified front end to rpc. |
| * |
| * Copyright (C) 1984, Sun Microsystems, Inc. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <libintl.h> |
| #include <unistd.h> |
| #include <rpc/rpc.h> |
| #include <rpc/pmap_clnt.h> |
| #include <sys/socket.h> |
| #include <netdb.h> |
| |
| #ifdef USE_IN_LIBIO |
| # include <wchar.h> |
| # include <libio/iolibio.h> |
| #endif |
| |
| struct proglst_ |
| { |
| char *(*p_progname) (char *); |
| int p_prognum; |
| int p_procnum; |
| xdrproc_t p_inproc, p_outproc; |
| struct proglst_ *p_nxt; |
| }; |
| #ifdef _RPC_THREAD_SAFE_ |
| #define proglst RPC_THREAD_VARIABLE(svcsimple_proglst_s) |
| #else |
| static struct proglst_ *proglst; |
| #endif |
| |
| |
| static void universal (struct svc_req *rqstp, SVCXPRT *transp_s); |
| #ifdef _RPC_THREAD_SAFE_ |
| #define transp RPC_THREAD_VARIABLE(svcsimple_transp_s) |
| #else |
| static SVCXPRT *transp; |
| #endif |
| |
| int |
| registerrpc (u_long prognum, u_long versnum, u_long procnum, |
| char *(*progname) (char *), xdrproc_t inproc, xdrproc_t outproc) |
| { |
| struct proglst_ *pl; |
| char *buf; |
| |
| if (procnum == NULLPROC) |
| { |
| |
| if (__asprintf (&buf, _("can't reassign procedure number %ld\n"), |
| NULLPROC) < 0) |
| buf = NULL; |
| goto err_out; |
| } |
| if (transp == 0) |
| { |
| transp = INTUSE(svcudp_create) (RPC_ANYSOCK); |
| if (transp == NULL) |
| { |
| buf = strdup (_("couldn't create an rpc server\n")); |
| goto err_out; |
| } |
| } |
| (void) pmap_unset ((u_long) prognum, (u_long) versnum); |
| if (!svc_register (transp, (u_long) prognum, (u_long) versnum, |
| universal, IPPROTO_UDP)) |
| { |
| if (__asprintf (&buf, _("couldn't register prog %ld vers %ld\n"), |
| prognum, versnum) < 0) |
| buf = NULL; |
| goto err_out; |
| } |
| pl = (struct proglst_ *) malloc (sizeof (struct proglst_)); |
| if (pl == NULL) |
| { |
| buf = strdup (_("registerrpc: out of memory\n")); |
| goto err_out; |
| } |
| pl->p_progname = progname; |
| pl->p_prognum = prognum; |
| pl->p_procnum = procnum; |
| pl->p_inproc = inproc; |
| pl->p_outproc = outproc; |
| pl->p_nxt = proglst; |
| proglst = pl; |
| return 0; |
| |
| err_out: |
| if (buf == NULL) |
| return -1; |
| (void) __fxprintf (NULL, "%s", buf); |
| free (buf); |
| return -1; |
| } |
| |
| static void |
| universal (struct svc_req *rqstp, SVCXPRT *transp_l) |
| { |
| int prog, proc; |
| char *outdata; |
| char xdrbuf[UDPMSGSIZE]; |
| struct proglst_ *pl; |
| char *buf = NULL; |
| |
| /* |
| * enforce "procnum 0 is echo" convention |
| */ |
| if (rqstp->rq_proc == NULLPROC) |
| { |
| if (INTUSE(svc_sendreply) (transp_l, (xdrproc_t)INTUSE(xdr_void), |
| (char *) NULL) == FALSE) |
| { |
| __write (STDERR_FILENO, "xxx\n", 4); |
| exit (1); |
| } |
| return; |
| } |
| prog = rqstp->rq_prog; |
| proc = rqstp->rq_proc; |
| for (pl = proglst; pl != NULL; pl = pl->p_nxt) |
| if (pl->p_prognum == prog && pl->p_procnum == proc) |
| { |
| /* decode arguments into a CLEAN buffer */ |
| __bzero (xdrbuf, sizeof (xdrbuf)); /* required ! */ |
| if (!svc_getargs (transp_l, pl->p_inproc, xdrbuf)) |
| { |
| INTUSE(svcerr_decode) (transp_l); |
| return; |
| } |
| outdata = (*(pl->p_progname)) (xdrbuf); |
| if (outdata == NULL && pl->p_outproc != (xdrproc_t)INTUSE(xdr_void)) |
| /* there was an error */ |
| return; |
| if (!INTUSE(svc_sendreply) (transp_l, pl->p_outproc, outdata)) |
| { |
| if (__asprintf (&buf, _("trouble replying to prog %d\n"), |
| pl->p_prognum) < 0) |
| buf = NULL; |
| goto err_out2; |
| } |
| /* free the decoded arguments */ |
| (void) svc_freeargs (transp_l, pl->p_inproc, xdrbuf); |
| return; |
| } |
| if (__asprintf (&buf, _("never registered prog %d\n"), prog) < 0) |
| buf = NULL; |
| err_out2: |
| if (buf == NULL) |
| exit (1); |
| __fxprintf (NULL, "%s", buf); |
| free (buf); |
| exit (1); |
| } |