xref: /freebsd/usr.sbin/rpc.lockd/lockd.c (revision e627b39baccd1ec9129690167cf5e6d860509655)
1 /*
2  * Copyright (c) 1995
3  *	A.R. Gordon (andrew.gordon@net-tel.co.uk).  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed for the FreeBSD project
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  */
33 
34 
35 /* main() function for NFS lock daemon.  Most of the code in this	*/
36 /* file was generated by running rpcgen /usr/include/rpcsvc/nlm_prot.x	*/
37 /* The actual program logic is in the file procs.c			*/
38 
39 #include "lockd.h"
40 
41 extern void nlm_prog_1 __P((struct svc_req, register SVCXPRT));
42 extern void nlm_prog_3 __P((struct svc_req, register SVCXPRT));
43 
44 int debug_level = 0;	/* Zero means no debugging syslog() calls	*/
45 
46 
47 main(int argc, char **argv)
48 {
49   SVCXPRT *transp;
50 
51   if (argc > 1)
52   {
53     if (strncmp(argv[1], "-d", 2))
54     {
55       fprintf(stderr, "Usage: rpc.lockd [-d [<debuglevel>]]\n");
56       exit(1);
57     }
58     if (argc > 2) debug_level = atoi(argv[2]);
59     else debug_level = atoi(argv[1] + 2);
60     /* Ensure at least some debug if -d with no specified level		*/
61     if (!debug_level) debug_level = 1;
62   }
63 
64   (void)pmap_unset(NLM_PROG, NLM_VERS);
65   (void)pmap_unset(NLM_PROG, NLM_VERSX);
66 
67   transp = svcudp_create(RPC_ANYSOCK);
68   if (transp == NULL)
69   {
70     (void)fprintf(stderr, "cannot create udp service.\n");
71     exit(1);
72   }
73   if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_UDP))
74   {
75     (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
76     exit(1);
77   }
78   if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_UDP))
79   {
80     (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
81     exit(1);
82   }
83 
84   transp = svctcp_create(RPC_ANYSOCK, 0, 0);
85   if (transp == NULL)
86   {
87     (void)fprintf(stderr, "cannot create tcp service.\n");
88     exit(1);
89   }
90   if (!svc_register(transp, NLM_PROG, NLM_VERS, nlm_prog_1, IPPROTO_TCP))
91   {
92     (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
93     exit(1);
94   }
95   if (!svc_register(transp, NLM_PROG, NLM_VERSX, nlm_prog_3, IPPROTO_TCP))
96   {
97     (void)fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
98     exit(1);
99   }
100 
101   /* Note that it is NOT sensible to run this program from inetd - the 	*/
102   /* protocol assumes that it will run immediately at boot time.	*/
103   if (daemon(0,0)) {
104     perror("cannot fork");
105     exit(1);
106   }
107   openlog("rpc.lockd", 0, LOG_DAEMON);
108   if (debug_level) syslog(LOG_INFO, "Starting, debug level %d", debug_level);
109   else syslog(LOG_INFO, "Starting");
110 
111   svc_run();	/* Should never return					*/
112   exit(1);
113 }
114