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
49int _rpcpmstart;		/* Started by a port monitor ? */
50int _rpcfdtype;			/* Whether Stream or Datagram ? */
51int _rpcsvcdirty;		/* Still serving ? */
52
53static void _msgout(/*char *msg*/);
54static void closedown();
55
56extern void rstatprog_4(/*struct svc_req *rqstp, SVCXPRT *transp*/);
57extern void rstatprog_3(/*struct svc_req *rqstp, SVCXPRT *transp*/);
58extern void rstatprog_2(/*struct svc_req *rqstp, SVCXPRT *transp*/);
59
60int
61main(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
169static 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}
182