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>
53 char system_string[64], version_string[64];
57 void lockfile(const char *pidfile)
62 lfp = open(pidfile, O_RDWR|O_CREAT, 0640);
65 Log_fatal("Cannot open PID-file %s for writing", pidfile);
66 sprintf(str,"%d\n", getpid());
67 write(lfp, str, strlen(str)); /* record pid to lockfile */
68 Log_info("PID-file: %s", pidfile);
72 void signal_handler(int sig)
77 Log_info("HUP signal");
80 Log_info("TERM signal. Shutting down.");
91 return; /* already a daemon */
94 fprintf(stderr, "Fork error. Exiting\n");
95 exit(1); /* fork error */
98 exit(0); /* parent exits */
100 /* child (daemon) continues */
101 setsid(); /* obtain a new process group */
102 for (i = getdtablesize(); i >= 0; --i)
103 close(i); /* close all descriptors */
105 i = open("/dev/null",O_RDWR);
109 umask(027); /* set newly created file permissions */
117 struct sched_param sp;
119 sp.sched_priority = sched_get_priority_min(SCHED_RR); /* Should suffice */
120 Log_info("Setting SCHED_RR prio %d", sp.sched_priority);
121 rc = sched_setscheduler(0, SCHED_RR, &sp);
123 Log_warn("Failed to set scheduler: %s", strerror(errno));
128 printf("uMurmur version %s. Mumble protocol %d.%d.%d\n", UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
129 printf("Usage: umurmurd [-d] [-p <pidfile>] [-c <conf file>] [-h]\n");
130 printf(" -d - Do not deamonize\n");
131 printf(" -p <pidfile> - Write PID to this file\n");
132 printf(" -c <conf file> - Specify configuration file\n");
133 printf(" -r - Run with realtime priority\n");
134 printf(" -a <address> - Bind to IP address\n");
135 printf(" -b <port> - Bind to port\n");
136 printf(" -h - Print this help\n");
140 int main(int argc, char **argv)
142 bool_t nodaemon = false;
143 bool_t realtime = false;
144 char *conffile = NULL, *pidfile = NULL;
146 struct utsname utsbuf;
149 while ((c = getopt(argc, argv, "drp:c:a:b:h")) != EOF) {
161 bindport = atoi(optarg);
173 fprintf(stderr, "Unrecognized option\n");
179 if (Conf_init(conffile) != 0) {
180 fprintf(stderr, "Configuration error\n");
193 signal(SIGCHLD, SIG_IGN); /* ignore child */
194 signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
195 signal(SIGTTOU, SIG_IGN);
196 signal(SIGTTIN, SIG_IGN);
197 signal(SIGPIPE, SIG_IGN);
198 signal(SIGHUP, signal_handler); /* catch hangup signal */
199 signal(SIGTERM, signal_handler); /* catch kill signal */
201 /* Build system string */
202 if (uname(&utsbuf) == 0) {
203 snprintf(system_string, 64, "%s %s", utsbuf.sysname, utsbuf.machine);
204 snprintf(version_string, 64, "%s", utsbuf.release);
207 snprintf(system_string, 64, "unknown unknown");
208 snprintf(version_string, 64, "unknown");