1 /* Copyright (C) 2009-2010, Martin Johansson <martin@fatbob.nu>
2 Copyright (C) 2005-2010, Thorvald Natvig <thorvald@natvig.com>
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions
10 - Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 - Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
15 - Neither the name of the Developers nor the names of its contributors may
16 be used to endorse or promote products derived from this software without
17 specific prior written permission.
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
23 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 #include <sys/types.h>
37 #include <sys/utsname.h>
43 #ifdef _POSIX_PRIORITY_SCHEDULING
54 char system_string[64], version_string[64];
58 void lockfile(const char *pidfile)
63 lfp = open(pidfile, O_RDWR|O_CREAT|O_EXCL, 0640);
66 Log_fatal("Cannot open PID-file %s for writing", pidfile);
67 snprintf(str,16,"%d\n", getpid());
68 write(lfp, str, strlen(str)); /* record pid to lockfile */
69 Log_info("PID-file: %s", pidfile);
73 void signal_handler(int sig)
78 Log_info("HUP signal");
81 Log_info("TERM signal. Shutting down.");
92 return; /* already a daemon */
95 fprintf(stderr, "Fork error. Exiting\n");
96 exit(1); /* fork error */
99 exit(0); /* parent exits */
101 /* child (daemon) continues */
102 setsid(); /* obtain a new process group */
103 for (i = getdtablesize(); i >= 0; --i)
104 close(i); /* close all descriptors */
106 i = open("/dev/null",O_RDWR);
110 umask(027); /* set newly created file permissions */
115 #ifdef _POSIX_PRIORITY_SCHEDULING
119 struct sched_param sp;
121 sp.sched_priority = sched_get_priority_min(SCHED_RR); /* Should suffice */
122 Log_info("Setting SCHED_RR prio %d", sp.sched_priority);
123 rc = sched_setscheduler(0, SCHED_RR, &sp);
125 Log_warn("Failed to set scheduler: %s", strerror(errno));
131 printf("uMurmur version %s. Mumble protocol %d.%d.%d\n", UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
132 printf("Usage: umurmurd [-d] [-p <pidfile>] [-c <conf file>] [-h]\n");
133 printf(" -d - Do not daemonize\n");
134 printf(" -p <pidfile> - Write PID to this file\n");
135 printf(" -c <conf file> - Specify configuration file\n");
136 #ifdef _POSIX_PRIORITY_SCHEDULING
137 printf(" -r - Run with realtime priority\n");
139 printf(" -a <address> - Bind to IP address\n");
140 printf(" -b <port> - Bind to port\n");
141 printf(" -h - Print this help\n");
145 int main(int argc, char **argv)
147 bool_t nodaemon = false;
148 #ifdef _POSIX_PRIORITY_SCHEDULING
149 bool_t realtime = false;
151 char *conffile = NULL, *pidfile = NULL;
153 struct utsname utsbuf;
156 #ifdef _POSIX_PRIORITY_SCHEDULING
157 while ((c = getopt(argc, argv, "drp:c:a:b:h")) != EOF) {
159 while ((c = getopt(argc, argv, "dp:c:a:b:h")) != EOF) {
172 bindport = atoi(optarg);
180 #ifdef _POSIX_PRIORITY_SCHEDULING
186 fprintf(stderr, "Unrecognized option\n");
192 if (Conf_init(conffile) != 0) {
193 fprintf(stderr, "Configuration error\n");
206 signal(SIGCHLD, SIG_IGN); /* ignore child */
207 signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
208 signal(SIGTTOU, SIG_IGN);
209 signal(SIGTTIN, SIG_IGN);
210 signal(SIGPIPE, SIG_IGN);
211 signal(SIGHUP, signal_handler); /* catch hangup signal */
212 signal(SIGTERM, signal_handler); /* catch kill signal */
214 /* Build system string */
215 if (uname(&utsbuf) == 0) {
216 snprintf(system_string, 64, "%s %s", utsbuf.sysname, utsbuf.machine);
217 snprintf(version_string, 64, "%s", utsbuf.release);
220 snprintf(system_string, 64, "unknown unknown");
221 snprintf(version_string, 64, "unknown");
229 #ifdef _POSIX_PRIORITY_SCHEDULING