1 /*	$OpenBSD: lockd.c,v 1.7 2003/07/06 21:26:14 deraadt Exp $	*/
2 
3 /*
4  * Copyright (c) 1995
5  *	A.R. Gordon (andrew.gordon@net-tel.co.uk).  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed for the FreeBSD project
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  */
35 
36 #include <sys/param.h>
37 #include <sys/socket.h>
38 #include <netinet/in.h>
39 #include <rpc/rpc.h>
40 #include <rpc/pmap_clnt.h>
41 #include <rpcsvc/sm_inter.h>
42 #include "nlm_prot.h"
43 #include <arpa/inet.h>
44 #include <stdio.h>
45 #include <syslog.h>
46 #include <stdlib.h>
47 #include <string.h>
48 #include <netdb.h>
49 
50 #include "lockd.h"
51 
52 extern void nlm_prog_1(struct svc_req *, SVCXPRT *);
53 extern void nlm_prog_3(struct svc_req *, SVCXPRT *);
54 
55 int     debug_level = 0;	/* Zero means no debugging syslog() calls	 */
56 
57 int     _rpcsvcdirty;
58 
59 int
main(int argc,char * argv[])60 main(int argc, char *argv[])
61 {
62 	SVCXPRT *transp;
63 
64 	if (argc > 1) {
65 		if (strncmp(argv[1], "-d", 2)) {
66 			fprintf(stderr, "Usage: rpc.lockd [-d debuglevel]\n");
67 			exit(1);
68 		}
69 		if (argc > 2)
70 			debug_level = atoi(argv[2]);
71 		else
72 			debug_level = atoi(argv[1] + 2);
73 		if (!debug_level)
74 			debug_level = 1;
75 	}
76 	(void) pmap_unset(NLM_PROG, NLM_VERS);
77 	(void) pmap_unset(NLM_PROG, NLM_VERSX);
78 
79 	transp = svcudp_create(RPC_ANYSOCK);
80 	if (transp == NULL) {
81 		fprintf(stderr, "cannot create udp service.\n");
82 		exit(1);
83 	}
84 	if (!svc_register(transp, NLM_PROG, NLM_VERS,
85 	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_1, IPPROTO_UDP)) {
86 		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, udp).\n");
87 		exit(1);
88 	}
89 	if (!svc_register(transp, NLM_PROG, NLM_VERSX,
90 	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_3, IPPROTO_UDP)) {
91 		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, udp).\n");
92 		exit(1);
93 	}
94 	transp = svctcp_create(RPC_ANYSOCK, 0, 0);
95 	if (transp == NULL) {
96 		fprintf(stderr, "cannot create tcp service.\n");
97 		exit(1);
98 	}
99 	if (!svc_register(transp, NLM_PROG, NLM_VERS,
100 	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_1, IPPROTO_TCP)) {
101 		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERS, tcp).\n");
102 		exit(1);
103 	}
104 	if (!svc_register(transp, NLM_PROG, NLM_VERSX,
105 	    (void (*) (struct svc_req *, SVCXPRT *)) nlm_prog_3, IPPROTO_TCP)) {
106 		fprintf(stderr, "unable to register (NLM_PROG, NLM_VERSX, tcp).\n");
107 		exit(1);
108 	}
109 
110 	if (daemon(0, 0)) {
111 		perror("cannot fork");
112 		exit(1);
113 	}
114 	openlog("rpc.lockd", 0, LOG_DAEMON);
115 	if (debug_level)
116 		syslog(LOG_INFO, "Starting, debug level %d", debug_level);
117 	else
118 		syslog(LOG_INFO, "Starting");
119 
120 	svc_run();
121 	exit(1);
122 }
123