+++ /dev/null
-/*
- * Copyright (c) 2009, Sun Microsystems, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * - Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * - Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * - Neither the name of Sun Microsystems, Inc. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-/*
- * Copyright (c) 1986-1991 by Sun Microsystems Inc.
- */
-
-//#include <sys/cdefs.h>
-
-/*
- * svc_simple.c
- * Simplified front end to rpc.
- */
-
-/*
- * This interface creates a virtual listener for all the services
- * started thru rpc_reg(). It listens on the same endpoint for
- * all the services and then executes the corresponding service
- * for the given prognum and procnum.
- */
-#include <wintirpc.h>
-//#include <pthread.h>
-#include <reentrant.h>
-#include <sys/types.h>
-#include <rpc/rpc.h>
-#include <rpc/nettype.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-//#include <err.h>
-
-#include "rpc_com.h"
-
-static void universal(struct svc_req *, SVCXPRT *);
-
-static struct proglst {
- char *(*p_progname)(char *);
- rpcprog_t p_prognum;
- rpcvers_t p_versnum;
- rpcproc_t p_procnum;
- SVCXPRT *p_transp;
- char *p_netid;
- char *p_xdrbuf;
- int p_recvsz;
- xdrproc_t p_inproc, p_outproc;
- struct proglst *p_nxt;
-} *proglst;
-
-static const char rpc_reg_err[] = "%s: %s";
-static const char rpc_reg_msg[] = "rpc_reg: ";
-static const char __reg_err1[] = "can't find appropriate transport";
-static const char __reg_err2[] = "can't get protocol info";
-static const char __reg_err3[] = "unsupported transport size";
-static const char __no_mem_str[] = "out of memory";
-
-/*
- * For simplified, easy to use kind of rpc interfaces.
- * nettype indicates the type of transport on which the service will be
- * listening. Used for conservation of the system resource. Only one
- * handle is created for all the services (actually one of each netid)
- * and same xdrbuf is used for same netid. The size of the arguments
- * is also limited by the recvsize for that transport, even if it is
- * a COTS transport. This may be wrong, but for cases like these, they
- * should not use the simplified interfaces like this.
- */
-
-int
-rpc_reg(prognum, versnum, procnum, progname, inproc, outproc, nettype)
- rpcprog_t prognum; /* program number */
- rpcvers_t versnum; /* version number */
- rpcproc_t procnum; /* procedure number */
- char *(*progname)(char *); /* Server routine */
- xdrproc_t inproc, outproc; /* in/out XDR procedures */
- char *nettype; /* nettype */
-{
- struct netconfig *nconf;
- int done = FALSE;
- void *handle;
- extern mutex_t proglst_lock;
-
- if (procnum == NULLPROC) {
- // XXXwarnx("%s can't reassign procedure number %u", rpc_reg_msg,
-// NULLPROC);
- return (-1);
- }
-
- if (nettype == NULL)
- nettype = "netpath"; /* The default behavior */
- if ((handle = __rpc_setconf(nettype)) == NULL) {
- // XXX warnx(rpc_reg_err, rpc_reg_msg, __reg_err1);
- return (-1);
- }
-/* VARIABLES PROTECTED BY proglst_lock: proglst */
- mutex_lock(&proglst_lock);
- while ((nconf = __rpc_getconf(handle)) != NULL) {
- struct proglst *pl;
- SVCXPRT *svcxprt;
- int madenow;
- u_int recvsz;
- char *xdrbuf;
- char *netid;
-
- madenow = FALSE;
- svcxprt = NULL;
- recvsz = 0;
- xdrbuf = netid = NULL;
- for (pl = proglst; pl; pl = pl->p_nxt) {
- if (strcmp(pl->p_netid, nconf->nc_netid) == 0) {
- svcxprt = pl->p_transp;
- xdrbuf = pl->p_xdrbuf;
- recvsz = pl->p_recvsz;
- netid = pl->p_netid;
- break;
- }
- }
-
- if (svcxprt == NULL) {
- struct __rpc_sockinfo si;
-
- svcxprt = svc_tli_create(RPC_ANYFD, nconf, NULL, 0, 0);
- if (svcxprt == NULL)
- continue;
- if (!__rpc_fd2sockinfo(svcxprt->xp_fd, &si)) {
- // XXX warnx(rpc_reg_err, rpc_reg_msg, __reg_err2);
- SVC_DESTROY(svcxprt);
- continue;
- }
- recvsz = __rpc_get_t_size(si.si_af, si.si_proto, 0);
- if (recvsz == 0) {
- // XXX warnx(rpc_reg_err, rpc_reg_msg, __reg_err3);
- SVC_DESTROY(svcxprt);
- continue;
- }
- if (((xdrbuf = malloc((unsigned)recvsz)) == NULL) ||
- ((netid = strdup(nconf->nc_netid)) == NULL)) {
- // XXX warnx(rpc_reg_err, rpc_reg_msg, __no_mem_str);
- SVC_DESTROY(svcxprt);
- break;
- }
- madenow = TRUE;
- }
- /*
- * Check if this (program, version, netid) had already been
- * registered. The check may save a few RPC calls to rpcbind
- */
- for (pl = proglst; pl; pl = pl->p_nxt)
- if ((pl->p_prognum == prognum) &&
- (pl->p_versnum == versnum) &&
- (strcmp(pl->p_netid, netid) == 0))
- break;
- if (pl == NULL) { /* Not yet */
- (void) rpcb_unset(prognum, versnum, nconf);
- } else {
- /* so that svc_reg does not call rpcb_set() */
- nconf = NULL;
- }
-
- if (!svc_reg(svcxprt, prognum, versnum, universal, nconf)) {
- // XXX warnx("%s couldn't register prog %u vers %u for %s",
-// rpc_reg_msg, (unsigned)prognum,
-// (unsigned)versnum, netid);
- if (madenow) {
- SVC_DESTROY(svcxprt);
- free(xdrbuf);
- free(netid);
- }
- continue;
- }
-
- pl = malloc(sizeof (struct proglst));
- if (pl == NULL) {
- // XXX warnx(rpc_reg_err, rpc_reg_msg, __no_mem_str);
- if (madenow) {
- SVC_DESTROY(svcxprt);
- free(xdrbuf);
- free(netid);
- }
- break;
- }
- pl->p_progname = progname;
- pl->p_prognum = prognum;
- pl->p_versnum = versnum;
- pl->p_procnum = procnum;
- pl->p_inproc = inproc;
- pl->p_outproc = outproc;
- pl->p_transp = svcxprt;
- pl->p_xdrbuf = xdrbuf;
- pl->p_recvsz = recvsz;
- pl->p_netid = netid;
- pl->p_nxt = proglst;
- proglst = pl;
- done = TRUE;
- }
- __rpc_endconf(handle);
- mutex_unlock(&proglst_lock);
-
- if (done == FALSE) {
- // XXX warnx("%s cant find suitable transport for %s",
-// rpc_reg_msg, nettype);
- return (-1);
- }
- return (0);
-}
-
-/*
- * The universal handler for the services registered using registerrpc.
- * It handles both the connectionless and the connection oriented cases.
- */
-
-static void
-universal(rqstp, transp)
- struct svc_req *rqstp;
- SVCXPRT *transp;
-{
- rpcprog_t prog;
- rpcvers_t vers;
- rpcproc_t proc;
- char *outdata;
- char *xdrbuf;
- struct proglst *pl;
- extern mutex_t proglst_lock;
-
- /*
- * enforce "procnum 0 is echo" convention
- */
- if (rqstp->rq_proc == NULLPROC) {
- if (svc_sendreply(transp, (xdrproc_t) xdr_void, NULL) ==
- FALSE) {
- // XXX warnx("svc_sendreply failed");
- }
- return;
- }
- prog = rqstp->rq_prog;
- vers = rqstp->rq_vers;
- proc = rqstp->rq_proc;
- mutex_lock(&proglst_lock);
- for (pl = proglst; pl; pl = pl->p_nxt)
- if (pl->p_prognum == prog && pl->p_procnum == proc &&
- pl->p_versnum == vers &&
- (strcmp(pl->p_netid, transp->xp_netid) == 0)) {
- /* decode arguments into a CLEAN buffer */
- xdrbuf = pl->p_xdrbuf;
- /* Zero the arguments: reqd ! */
- (void) memset(xdrbuf, 0, sizeof (pl->p_recvsz));
- /*
- * Assuming that sizeof (xdrbuf) would be enough
- * for the arguments; if not then the program
- * may bomb. BEWARE!
- */
- if (!svc_getargs(transp, pl->p_inproc, xdrbuf)) {
- svcerr_decode(transp);
- mutex_unlock(&proglst_lock);
- return;
- }
- outdata = (*(pl->p_progname))(xdrbuf);
- if (outdata == NULL &&
- pl->p_outproc != (xdrproc_t) xdr_void){
- /* there was an error */
- mutex_unlock(&proglst_lock);
- return;
- }
- if (!svc_sendreply(transp, pl->p_outproc, outdata)) {
- // XXX warnx(
-// "rpc: rpc_reg trouble replying to prog %u vers %u",
-// (unsigned)prog, (unsigned)vers);
- mutex_unlock(&proglst_lock);
- return;
- }
- /* free the decoded arguments */
- (void)svc_freeargs(transp, pl->p_inproc, xdrbuf);
- mutex_unlock(&proglst_lock);
- return;
- }
- mutex_unlock(&proglst_lock);
- /* This should never happen */
- // XXX warnx("rpc: rpc_reg: never registered prog %u vers %u",
-// (unsigned)prog, (unsigned)vers);
- return;
-}
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