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];
55 void lockfile(const char *pidfile)
60 lfp = open(pidfile, O_RDWR|O_CREAT, 0640);
63 Log_fatal("Cannot open PID-file %s for writing", pidfile);
64 sprintf(str,"%d\n", getpid());
65 write(lfp, str, strlen(str)); /* record pid to lockfile */
66 Log_info("PID-file: %s", pidfile);
70 void signal_handler(int sig)
75 Log_info("HUP signal");
78 Log_info("TERM signal. Shutting down.");
89 return; /* already a daemon */
92 fprintf(stderr, "Fork error. Exiting\n");
93 exit(1); /* fork error */
96 exit(0); /* parent exits */
98 /* child (daemon) continues */
99 setsid(); /* obtain a new process group */
100 for (i = getdtablesize(); i >= 0; --i)
101 close(i); /* close all descriptors */
103 i = open("/dev/null",O_RDWR);
107 umask(027); /* set newly created file permissions */
115 struct sched_param sp;
117 sp.sched_priority = sched_get_priority_min(SCHED_RR); /* Should suffice */
118 Log_info("Setting SCHED_RR prio %d", sp.sched_priority);
119 rc = sched_setscheduler(0, SCHED_RR, &sp);
121 Log_warn("Failed to set scheduler: %s", strerror(errno));
126 printf("uMurmur version %s. Mumble protocol %d.%d.%d\n", UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
127 printf("Usage: umurmurd [-d] [-p <pidfile>] [-c <conf file>] [-h]\n");
128 printf(" -d - Do not deamonize\n");
129 printf(" -p <pidfile> - Write PID to this file\n");
130 printf(" -c <conf file> - Specify configuration file\n");
131 printf(" -r - Run with realtime priority\n");
132 printf(" -h - Print this help\n");
136 int main(int argc, char **argv)
138 bool_t nodaemon = false;
139 bool_t realtime = false;
140 char *conffile = NULL, *pidfile = NULL;
142 struct utsname utsbuf;
145 while ((c = getopt(argc, argv, "drp:c:h")) != EOF) {
163 fprintf(stderr, "Unrecognized option\n");
169 if (Conf_init(conffile) != 0) {
170 fprintf(stderr, "Configuration error\n");
183 signal(SIGCHLD, SIG_IGN); /* ignore child */
184 signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
185 signal(SIGTTOU, SIG_IGN);
186 signal(SIGTTIN, SIG_IGN);
187 signal(SIGPIPE, SIG_IGN);
188 signal(SIGHUP, signal_handler); /* catch hangup signal */
189 signal(SIGTERM, signal_handler); /* catch kill signal */
191 /* Build system string */
192 if (uname(&utsbuf) == 0) {
193 snprintf(system_string, 64, "%s %s", utsbuf.sysname, utsbuf.machine);
194 snprintf(version_string, 64, "%s", utsbuf.release);
197 snprintf(system_string, 64, "unknown unknown");
198 snprintf(version_string, 64, "unknown");