1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 #include "rstat.h"
30 #include "rstat_v2.h"
31 #include <stdio.h>
32 #include <stdlib.h> /* getenv, exit */
33 #include <signal.h>
34 #include <sys/types.h>
35 #include <memory.h>
36 #include <stropts.h>
37 #include <netconfig.h>
38 #include <syslog.h>
39
40 #ifdef __STDC__
41 #define SIG_PF void(*)(int)
42 #endif
43
44 #ifdef DEBUG
45 #define RPC_SVC_FG
46 #endif
47
48
49 int _rpcpmstart; /* Started by a port monitor ? */
50 int _rpcfdtype; /* Whether Stream or Datagram ? */
51 int _rpcsvcdirty; /* Still serving ? */
52
53 static void _msgout(/*char *msg*/);
54 static void closedown();
55
56 extern void rstatprog_4(/*struct svc_req *rqstp, SVCXPRT *transp*/);
57 extern void rstatprog_3(/*struct svc_req *rqstp, SVCXPRT *transp*/);
58 extern void rstatprog_2(/*struct svc_req *rqstp, SVCXPRT *transp*/);
59
60 int
61 main(int argc, char *argv[])
62 {
63 pid_t pid;
64 int i;
65
66 /*
67 * If stdin looks like a TLI endpoint, we assume
68 * that we were started by a port monitor. If
69 * t_getstate fails with TBADF, this is not a
70 * TLI endpoint.
71 */
72 if (t_getstate(0) != -1 || t_errno != TBADF) {
73 char *netid;
74 struct netconfig *nconf = NULL;
75 SVCXPRT *transp;
76
77 _rpcpmstart = 1;
78 openlog("rstatd", LOG_PID, LOG_DAEMON);
79 if ((netid = getenv("NLSPROVIDER")) == NULL) {
80 #ifdef DEBUG
81 _msgout("cannot get transport name");
82 #endif
83 } else if ((nconf = getnetconfigent(netid)) == NULL) {
84 #ifdef DEBUG
85 _msgout("cannot get transport info");
86 #endif
87 }
88 if ((transp = svc_tli_create(0, nconf, NULL, 0, 0)) == NULL) {
89 _msgout("cannot create server handle");
90 exit(1);
91 }
92 if (nconf)
93 freenetconfigent(nconf);
94 if (!svc_reg(transp, RSTATPROG, RSTATVERS_VAR, rstatprog_4,
95 0)) {
96 _msgout("unable to register "
97 "(RSTATPROG, RSTATVERS_VAR).");
98 exit(1);
99 }
100 if (!svc_reg(transp, RSTATPROG, RSTATVERS_TIME, rstatprog_3,
101 0)) {
102 _msgout("unable to register "
103 "(RSTATPROG, RSTATVERS_TIME).");
104 exit(1);
105 }
106 if (!svc_reg(transp, RSTATPROG, RSTATVERS_SWTCH, rstatprog_2,
107 0)) {
108 _msgout("unable to register "
109 "(RSTATPROG, RSTATVERS_SWTCH).");
110 exit(1);
111 }
112 svc_run();
113 exit(1);
114 /* NOTREACHED */
115 } else {
116 #ifndef RPC_SVC_FG
117 pid = fork();
118 if (pid < 0) {
119 perror("cannot fork");
120 exit(1);
121 }
122 if (pid)
123 exit(0);
124 closefrom(0);
125 i = open("/dev/console", 2);
126 (void) dup2(i, 1);
127 (void) dup2(i, 2);
128 setsid();
129 openlog("rstatd", LOG_PID, LOG_DAEMON);
130 #endif
131 }
132 if (!svc_create(rstatprog_4, RSTATPROG, RSTATVERS_VAR, "datagram_v")) {
133 _msgout("unable to create (RSTATPROG, RSTATVERS_VAR) "
134 "for datagram_v.");
135 exit(1);
136 }
137 if (!svc_create(rstatprog_3, RSTATPROG, RSTATVERS_TIME,
138 "datagram_v")) {
139 _msgout("unable to create (RSTATPROG, RSTATVERS_TIME) "
140 "for datagram_v.");
141 exit(1);
142 }
143 if (!svc_create(rstatprog_4, RSTATPROG, RSTATVERS_VAR, "circuit_v")) {
144 _msgout("unable to create (RSTATPROG, RSTATVERS_VAR) "
145 "for circuit_v.");
146 exit(1);
147 }
148 if (!svc_create(rstatprog_3, RSTATPROG, RSTATVERS_TIME, "circuit_v")) {
149 _msgout("unable to create (RSTATPROG, RSTATVERS_TIME) "
150 "for circuit_v.");
151 exit(1);
152 }
153
154 /*
155 * V2 supported on datagram transports *only*
156 */
157 if (!svc_create(rstatprog_2, RSTATPROG, RSTATVERS_SWTCH,
158 "datagram_v")) {
159 _msgout("unable to create (RSTATPROG, RSTATVERS_SWTCH) "
160 "for datagram_v.");
161 exit(1);
162 }
163
164 svc_run();
165 _msgout("svc_run returned");
166 return (1);
167 }
168
169 static void
170 _msgout(msg)
171 char *msg;
172 {
173 #ifdef RPC_SVC_FG
174 if (_rpcpmstart)
175 syslog(LOG_ERR, msg);
176 else
177 (void) fprintf(stderr, "%s\n", msg);
178 #else
179 syslog(LOG_ERR, msg);
180 #endif
181 }