326 lines
9.0 KiB
C
326 lines
9.0 KiB
C
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/*
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* Copyright (c) 1995
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* A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the FreeBSD project
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/* main() function for NFS lock daemon. Most of the code in this */
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/* file was generated by running rpcgen /usr/include/rpcsvc/nlm_prot.x */
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/* The actual program logic is in the file procs.c */
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#include "lockd.h"
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int debug_level = 0; /* Zero means no debugging syslog() calls */
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static void nlm_prog_1();
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static void nlm_prog_3();
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main(int argc, char **argv)
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{
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SVCXPRT *transp;
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if (argc > 1)
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{
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if (strncmp(argv[1], "-d", 2))
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{
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fprintf(stderr, "Usage: rpc.lockd [-d [<debuglevel>]]\n");
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exit(1);
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}
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if (argc > 2) debug_level = atoi(argv[2]);
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else debug_level = atoi(argv[1] + 2);
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/* Ensure at least some debug if -d with no specified level */
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if (!debug_level) debug_level = 1;
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}
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(void)pmap_unset(NLM_PROG, NLM_VERS);
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(void)pmap_unset(NLM_PROG, NLM_VERSX);
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transp = svcudp_create(RPC_ANYSOCK);
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if (transp == NULL)
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{
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(void)fprintf(stderr, "cannot create udp service.\n");
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exit(1);
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}
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if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_UDP))
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{
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(void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
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exit(1);
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}
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if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_UDP))
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{
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(void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
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exit(1);
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}
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transp = svctcp_create(RPC_ANYSOCK, 0, 0);
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if (transp == NULL)
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{
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(void)fprintf(stderr, "cannot create tcp service.\n");
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exit(1);
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}
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if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_TCP))
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{
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(void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
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exit(1);
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}
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if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_TCP))
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{
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(void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
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exit(1);
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}
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/* Note that it is NOT sensible to run this program from inetd - the */
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/* protocol assumes that it will run immediately at boot time. */
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daemon(0, 0);
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openlog("rpc.lockd", 0, LOG_DAEMON);
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if (debug_level) syslog(LOG_INFO, "Starting, debug level %d", debug_level);
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else syslog(LOG_INFO, "Starting");
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svc_run(); /* Should never return */
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exit(1);
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}
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static void
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nlm_prog_1(struct svc_req *rqstp, SVCXPRT *transp)
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{
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union
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{
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struct nlm_testargs nlm_test_1_arg;
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struct nlm_lockargs nlm_lock_1_arg;
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struct nlm_cancargs nlm_cancel_1_arg;
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struct nlm_unlockargs nlm_unlock_1_arg;
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struct nlm_testargs nlm_granted_1_arg;
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struct nlm_testargs nlm_test_msg_1_arg;
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struct nlm_lockargs nlm_lock_msg_1_arg;
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struct nlm_cancargs nlm_cancel_msg_1_arg;
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struct nlm_unlockargs nlm_unlock_msg_1_arg;
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struct nlm_testargs nlm_granted_msg_1_arg;
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nlm_testres nlm_test_res_1_arg;
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nlm_res nlm_lock_res_1_arg;
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nlm_res nlm_cancel_res_1_arg;
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nlm_res nlm_unlock_res_1_arg;
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nlm_res nlm_granted_res_1_arg;
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} argument;
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char *result;
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bool_t (*xdr_argument)(), (*xdr_result)();
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char *(*local)();
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switch (rqstp->rq_proc)
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{
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case NULLPROC:
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(void)svc_sendreply(transp, xdr_void, (char *)NULL);
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return;
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case NLM_TEST:
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xdr_argument = xdr_nlm_testargs;
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xdr_result = xdr_nlm_testres;
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local = (char *(*)()) nlm_test_1;
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break;
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case NLM_LOCK:
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xdr_argument = xdr_nlm_lockargs;
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xdr_result = xdr_nlm_res;
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local = (char *(*)()) nlm_lock_1;
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break;
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case NLM_CANCEL:
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xdr_argument = xdr_nlm_cancargs;
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xdr_result = xdr_nlm_res;
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local = (char *(*)()) nlm_cancel_1;
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break;
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case NLM_UNLOCK:
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xdr_argument = xdr_nlm_unlockargs;
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xdr_result = xdr_nlm_res;
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local = (char *(*)()) nlm_unlock_1;
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break;
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case NLM_GRANTED:
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xdr_argument = xdr_nlm_testargs;
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xdr_result = xdr_nlm_res;
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local = (char *(*)()) nlm_granted_1;
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break;
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case NLM_TEST_MSG:
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xdr_argument = xdr_nlm_testargs;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_test_msg_1;
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break;
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case NLM_LOCK_MSG:
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xdr_argument = xdr_nlm_lockargs;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_lock_msg_1;
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break;
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case NLM_CANCEL_MSG:
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xdr_argument = xdr_nlm_cancargs;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_cancel_msg_1;
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break;
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case NLM_UNLOCK_MSG:
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xdr_argument = xdr_nlm_unlockargs;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_unlock_msg_1;
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break;
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case NLM_GRANTED_MSG:
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xdr_argument = xdr_nlm_testargs;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_granted_msg_1;
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break;
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case NLM_TEST_RES:
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xdr_argument = xdr_nlm_testres;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_test_res_1;
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break;
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case NLM_LOCK_RES:
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xdr_argument = xdr_nlm_res;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_lock_res_1;
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break;
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case NLM_CANCEL_RES:
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xdr_argument = xdr_nlm_res;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_cancel_res_1;
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break;
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case NLM_UNLOCK_RES:
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xdr_argument = xdr_nlm_res;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_unlock_res_1;
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break;
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case NLM_GRANTED_RES:
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xdr_argument = xdr_nlm_res;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_granted_res_1;
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break;
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default:
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svcerr_noproc(transp);
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return;
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}
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bzero((char *)&argument, sizeof(argument));
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if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument))
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{
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syslog(LOG_ERR, "RPC received with invalid arguments");
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svcerr_decode(transp);
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return;
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}
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result = (*local)(&argument, rqstp);
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if (result != NULL && !svc_sendreply(transp, xdr_result, result))
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{
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svcerr_systemerr(transp);
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}
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if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument))
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{
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syslog(LOG_ERR, "unable to free arguments");
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}
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}
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static void
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nlm_prog_3(struct svc_req *rqstp, SVCXPRT *transp)
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{
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union
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{
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nlm_shareargs nlm_share_3_arg;
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nlm_shareargs nlm_unshare_3_arg;
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nlm_lockargs nlm_nm_lock_3_arg;
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nlm_notify nlm_free_all_3_arg;
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} argument;
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char *result;
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bool_t (*xdr_argument)(), (*xdr_result)();
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char *(*local)();
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switch (rqstp->rq_proc)
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{
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case NULLPROC:
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(void)svc_sendreply(transp, xdr_void, (char *)NULL);
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return;
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case NLM_SHARE:
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xdr_argument = xdr_nlm_shareargs;
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xdr_result = xdr_nlm_shareres;
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local = (char *(*)()) nlm_share_3;
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break;
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case NLM_UNSHARE:
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xdr_argument = xdr_nlm_shareargs;
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xdr_result = xdr_nlm_shareres;
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local = (char *(*)()) nlm_unshare_3;
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break;
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case NLM_NM_LOCK:
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xdr_argument = xdr_nlm_lockargs;
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xdr_result = xdr_nlm_res;
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local = (char *(*)()) nlm_nm_lock_3;
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break;
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case NLM_FREE_ALL:
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xdr_argument = xdr_nlm_notify;
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xdr_result = xdr_void;
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local = (char *(*)()) nlm_free_all_3;
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break;
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default:
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svcerr_noproc(transp);
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return;
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}
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bzero((char *)&argument, sizeof(argument));
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if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument))
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{
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syslog(LOG_ERR, "RPC received with invalid arguments");
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svcerr_decode(transp);
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return;
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}
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result = (*local)(&argument, rqstp);
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if (result != NULL && !svc_sendreply(transp, xdr_result, result))
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{
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svcerr_systemerr(transp);
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}
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if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument))
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{
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syslog(LOG_ERR, "unable to free arguments");
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}
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}
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