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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* rpcb_svc.c
* The server procedure for the version 3 rpcbind (TLI).
*
* It maintains a separate list of all the registered services with the
* version 3 of rpcbind.
*/
#include <stdio.h>
#include <strings.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpc/rpcb_prot.h>
#include <netconfig.h>
#include <syslog.h>
#include <netdir.h>
#include <stdlib.h>
#include "rpcbind.h"
/*
* Called by svc_getreqset. There is a separate server handle for
* every transport that it waits on.
*/
void
rpcb_service_3(rqstp, transp)
register struct svc_req *rqstp;
register SVCXPRT *transp;
{
union {
RPCB rpcbproc_set_3_arg;
RPCB rpcbproc_unset_3_arg;
RPCB rpcbproc_getaddr_3_arg;
struct rpcb_rmtcallargs rpcbproc_callit_3_arg;
char *rpcbproc_uaddr2taddr_3_arg;
struct netbuf rpcbproc_taddr2uaddr_3_arg;
} argument;
char *result;
bool_t (*xdr_argument)(), (*xdr_result)();
char *(*local)();
rpcbs_procinfo((ulong_t)RPCBVERS_3_STAT, rqstp->rq_proc);
RPCB_CHECK(transp, rqstp->rq_proc);
switch (rqstp->rq_proc) {
case NULLPROC:
/*
* Null proc call
*/
#ifdef RPCBIND_DEBUG
fprintf(stderr, "RPCBPROC_NULL\n");
#endif
(void) svc_sendreply(transp, (xdrproc_t)xdr_void, (char *)NULL);
return;
case RPCBPROC_SET:
/*
* Check to see whether the message came from
* loopback transports (for security reasons)
*/
if (strcasecmp(transp->xp_netid, loopback_dg) &&
strcasecmp(transp->xp_netid, loopback_vc) &&
strcasecmp(transp->xp_netid, loopback_vc_ord)) {
char *uaddr;
uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid),
svc_getrpccaller(transp));
syslog(LOG_ERR, "non-local attempt to set from %s",
uaddr);
free(uaddr);
svcerr_weakauth(transp);
return;
}
xdr_argument = xdr_rpcb;
xdr_result = xdr_bool;
local = (char *(*)()) rpcbproc_set_com;
break;
case RPCBPROC_UNSET:
/*
* Check to see whether the message came from
* loopback transports (for security reasons)
*/
if (strcasecmp(transp->xp_netid, loopback_dg) &&
strcasecmp(transp->xp_netid, loopback_vc) &&
strcasecmp(transp->xp_netid, loopback_vc_ord)) {
char *uaddr;
uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid),
svc_getrpccaller(transp));
syslog(LOG_ERR, "non-local attempt to unset from %s",
uaddr);
free(uaddr);
svcerr_weakauth(transp);
return;
}
xdr_argument = xdr_rpcb;
xdr_result = xdr_bool;
local = (char *(*)()) rpcbproc_unset_com;
break;
case RPCBPROC_GETADDR:
xdr_argument = xdr_rpcb;
xdr_result = xdr_wrapstring;
local = (char *(*)()) rpcbproc_getaddr_3;
break;
case RPCBPROC_DUMP:
#ifdef RPCBIND_DEBUG
fprintf(stderr, "RPCBPROC_DUMP\n");
#endif
xdr_argument = xdr_void;
xdr_result = xdr_rpcblist_ptr;
local = (char *(*)()) rpcbproc_dump_3;
break;
case RPCBPROC_CALLIT:
rpcbproc_callit_com(rqstp, transp, rqstp->rq_proc, RPCBVERS);
return;
case RPCBPROC_GETTIME:
#ifdef RPCBIND_DEBUG
fprintf(stderr, "RPCBPROC_GETTIME\n");
#endif
xdr_argument = xdr_void;
xdr_result = xdr_u_long;
local = (char *(*)()) rpcbproc_gettime_com;
break;
case RPCBPROC_UADDR2TADDR:
#ifdef RPCBIND_DEBUG
fprintf(stderr, "RPCBPROC_UADDR2TADDR\n");
#endif
xdr_argument = xdr_wrapstring;
xdr_result = xdr_netbuf;
local = (char *(*)()) rpcbproc_uaddr2taddr_com;
break;
case RPCBPROC_TADDR2UADDR:
#ifdef RPCBIND_DEBUG
fprintf(stderr, "RPCBPROC_TADDR2UADDR\n");
#endif
xdr_argument = xdr_netbuf;
xdr_result = xdr_wrapstring;
local = (char *(*)()) rpcbproc_taddr2uaddr_com;
break;
default:
svcerr_noproc(transp);
return;
}
(void) memset((char *)&argument, 0, sizeof (argument));
if (!svc_getargs(transp, (xdrproc_t)xdr_argument,
(char *)&argument)) {
svcerr_decode(transp);
if (debugging)
(void) fprintf(stderr, "rpcbind: could not decode\n");
return;
}
result = (*local)(&argument, rqstp, transp, RPCBVERS);
if (result != NULL && !svc_sendreply(transp, (xdrproc_t)xdr_result,
result)) {
svcerr_systemerr(transp);
if (debugging) {
(void) fprintf(stderr, "rpcbind: svc_sendreply\n");
if (doabort) {
rpcbind_abort();
}
}
}
if (!svc_freeargs(transp, (xdrproc_t)xdr_argument, (char *)
&argument)) {
if (debugging) {
(void) fprintf(stderr, "unable to free arguments\n");
if (doabort) {
rpcbind_abort();
}
}
}
}
/*
* Lookup the mapping for a program, version and return its
* address. Assuming that the caller wants the address of the
* server running on the transport on which the request came.
*
* We also try to resolve the universal address in terms of
* address of the caller.
*/
/* ARGSUSED */
char **
rpcbproc_getaddr_3(regp, rqstp, transp)
RPCB *regp;
struct svc_req *rqstp; /* Not used here */
SVCXPRT *transp;
{
#ifdef RPCBIND_DEBUG
char *uaddr;
uaddr = taddr2uaddr(rpcbind_get_conf(transp->xp_netid),
svc_getrpccaller(transp));
fprintf(stderr, "RPCB_GETADDR request for (%lu, %lu, %s) from %s : ",
regp->r_prog, regp->r_vers, transp->xp_netid, uaddr);
free(uaddr);
#endif
return (rpcbproc_getaddr_com(regp, rqstp, transp, RPCBVERS,
(ulong_t)RPCB_ALLVERS));
}
/* ARGSUSED */
rpcblist_ptr *
rpcbproc_dump_3()
{
return ((rpcblist_ptr *)&list_rbl);
}
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