diff options
Diffstat (limited to 'usr.sbin/rpc.lockd/lockd.c')
| -rw-r--r-- | usr.sbin/rpc.lockd/lockd.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/usr.sbin/rpc.lockd/lockd.c b/usr.sbin/rpc.lockd/lockd.c new file mode 100644 index 0000000..bb8af5b --- /dev/null +++ b/usr.sbin/rpc.lockd/lockd.c @@ -0,0 +1,325 @@ + +/* + * Copyright (c) 1995 + * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the FreeBSD project + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON 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 AUTHOR 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. + * + */ + + +/* main() function for NFS lock daemon. Most of the code in this */ +/* file was generated by running rpcgen /usr/include/rpcsvc/nlm_prot.x */ +/* The actual program logic is in the file procs.c */ + +#include "lockd.h" + + +int debug_level = 0; /* Zero means no debugging syslog() calls */ + + +static void nlm_prog_1(); +static void nlm_prog_3(); + +main(int argc, char **argv) +{ + SVCXPRT *transp; + + if (argc > 1) + { + if (strncmp(argv[1], "-d", 2)) + { + fprintf(stderr, "Usage: rpc.lockd [-d [<debuglevel>]]\n"); + exit(1); + } + if (argc > 2) debug_level = atoi(argv[2]); + else debug_level = atoi(argv[1] + 2); + /* Ensure at least some debug if -d with no specified level */ + if (!debug_level) debug_level = 1; + } + + (void)pmap_unset(NLM_PROG, NLM_VERS); + (void)pmap_unset(NLM_PROG, NLM_VERSX); + + transp = svcudp_create(RPC_ANYSOCK); + if (transp == NULL) + { + (void)fprintf(stderr, "cannot create udp service.\n"); + exit(1); + } + if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_UDP)) + { + (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n"); + exit(1); + } + if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_UDP)) + { + (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n"); + exit(1); + } + + transp = svctcp_create(RPC_ANYSOCK, 0, 0); + if (transp == NULL) + { + (void)fprintf(stderr, "cannot create tcp service.\n"); + exit(1); + } + if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_TCP)) + { + (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n"); + exit(1); + } + if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_TCP)) + { + (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n"); + exit(1); + } + + /* Note that it is NOT sensible to run this program from inetd - the */ + /* protocol assumes that it will run immediately at boot time. */ + daemon(0, 0); + + openlog("rpc.lockd", 0, LOG_DAEMON); + if (debug_level) syslog(LOG_INFO, "Starting, debug level %d", debug_level); + else syslog(LOG_INFO, "Starting"); + + svc_run(); /* Should never return */ + exit(1); +} + +static void +nlm_prog_1(struct svc_req *rqstp, SVCXPRT *transp) +{ + union + { + struct nlm_testargs nlm_test_1_arg; + struct nlm_lockargs nlm_lock_1_arg; + struct nlm_cancargs nlm_cancel_1_arg; + struct nlm_unlockargs nlm_unlock_1_arg; + struct nlm_testargs nlm_granted_1_arg; + struct nlm_testargs nlm_test_msg_1_arg; + struct nlm_lockargs nlm_lock_msg_1_arg; + struct nlm_cancargs nlm_cancel_msg_1_arg; + struct nlm_unlockargs nlm_unlock_msg_1_arg; + struct nlm_testargs nlm_granted_msg_1_arg; + nlm_testres nlm_test_res_1_arg; + nlm_res nlm_lock_res_1_arg; + nlm_res nlm_cancel_res_1_arg; + nlm_res nlm_unlock_res_1_arg; + nlm_res nlm_granted_res_1_arg; + } argument; + char *result; + bool_t (*xdr_argument)(), (*xdr_result)(); + char *(*local)(); + + switch (rqstp->rq_proc) + { + case NULLPROC: + (void)svc_sendreply(transp, xdr_void, (char *)NULL); + return; + + case NLM_TEST: + xdr_argument = xdr_nlm_testargs; + xdr_result = xdr_nlm_testres; + local = (char *(*)()) nlm_test_1; + break; + + case NLM_LOCK: + xdr_argument = xdr_nlm_lockargs; + xdr_result = xdr_nlm_res; + local = (char *(*)()) nlm_lock_1; + break; + + case NLM_CANCEL: + xdr_argument = xdr_nlm_cancargs; + xdr_result = xdr_nlm_res; + local = (char *(*)()) nlm_cancel_1; + break; + + case NLM_UNLOCK: + xdr_argument = xdr_nlm_unlockargs; + xdr_result = xdr_nlm_res; + local = (char *(*)()) nlm_unlock_1; + break; + + case NLM_GRANTED: + xdr_argument = xdr_nlm_testargs; + xdr_result = xdr_nlm_res; + local = (char *(*)()) nlm_granted_1; + break; + + case NLM_TEST_MSG: + xdr_argument = xdr_nlm_testargs; + xdr_result = xdr_void; + local = (char *(*)()) nlm_test_msg_1; + break; + + case NLM_LOCK_MSG: + xdr_argument = xdr_nlm_lockargs; + xdr_result = xdr_void; + local = (char *(*)()) nlm_lock_msg_1; + break; + + case NLM_CANCEL_MSG: + xdr_argument = xdr_nlm_cancargs; + xdr_result = xdr_void; + local = (char *(*)()) nlm_cancel_msg_1; + break; + + case NLM_UNLOCK_MSG: + xdr_argument = xdr_nlm_unlockargs; + xdr_result = xdr_void; + local = (char *(*)()) nlm_unlock_msg_1; + break; + + case NLM_GRANTED_MSG: + xdr_argument = xdr_nlm_testargs; + xdr_result = xdr_void; + local = (char *(*)()) nlm_granted_msg_1; + break; + + case NLM_TEST_RES: + xdr_argument = xdr_nlm_testres; + xdr_result = xdr_void; + local = (char *(*)()) nlm_test_res_1; + break; + + case NLM_LOCK_RES: + xdr_argument = xdr_nlm_res; + xdr_result = xdr_void; + local = (char *(*)()) nlm_lock_res_1; + break; + + case NLM_CANCEL_RES: + xdr_argument = xdr_nlm_res; + xdr_result = xdr_void; + local = (char *(*)()) nlm_cancel_res_1; + break; + + case NLM_UNLOCK_RES: + xdr_argument = xdr_nlm_res; + xdr_result = xdr_void; + local = (char *(*)()) nlm_unlock_res_1; + break; + + case NLM_GRANTED_RES: + xdr_argument = xdr_nlm_res; + xdr_result = xdr_void; + local = (char *(*)()) nlm_granted_res_1; + break; + + default: + svcerr_noproc(transp); + return; + } + bzero((char *)&argument, sizeof(argument)); + if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) + { + syslog(LOG_ERR, "RPC received with invalid arguments"); + svcerr_decode(transp); + return; + } + result = (*local)(&argument, rqstp); + if (result != NULL && !svc_sendreply(transp, xdr_result, result)) + { + svcerr_systemerr(transp); + } + if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)) + { + syslog(LOG_ERR, "unable to free arguments"); + } + +} + + +static void +nlm_prog_3(struct svc_req *rqstp, SVCXPRT *transp) +{ + union + { + nlm_shareargs nlm_share_3_arg; + nlm_shareargs nlm_unshare_3_arg; + nlm_lockargs nlm_nm_lock_3_arg; + nlm_notify nlm_free_all_3_arg; + } argument; + char *result; + bool_t (*xdr_argument)(), (*xdr_result)(); + char *(*local)(); + + switch (rqstp->rq_proc) + { + case NULLPROC: + (void)svc_sendreply(transp, xdr_void, (char *)NULL); + return; + + case NLM_SHARE: + xdr_argument = xdr_nlm_shareargs; + xdr_result = xdr_nlm_shareres; + local = (char *(*)()) nlm_share_3; + break; + + case NLM_UNSHARE: + xdr_argument = xdr_nlm_shareargs; + xdr_result = xdr_nlm_shareres; + local = (char *(*)()) nlm_unshare_3; + break; + + case NLM_NM_LOCK: + xdr_argument = xdr_nlm_lockargs; + xdr_result = xdr_nlm_res; + local = (char *(*)()) nlm_nm_lock_3; + break; + + case NLM_FREE_ALL: + xdr_argument = xdr_nlm_notify; + xdr_result = xdr_void; + local = (char *(*)()) nlm_free_all_3; + break; + + default: + svcerr_noproc(transp); + return; + } + bzero((char *)&argument, sizeof(argument)); + if (!svc_getargs(transp, xdr_argument, (caddr_t)&argument)) + { + syslog(LOG_ERR, "RPC received with invalid arguments"); + svcerr_decode(transp); + return; + } + result = (*local)(&argument, rqstp); + if (result != NULL && !svc_sendreply(transp, xdr_result, result)) + { + svcerr_systemerr(transp); + } + if (!svc_freeargs(transp, xdr_argument, (caddr_t)&argument)) + { + syslog(LOG_ERR, "unable to free arguments"); + } +} + |
