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>
51 char system_string[64], version_string[64];
53 void lockfile(const char *pidfile)
58 lfp = open(pidfile, O_RDWR|O_CREAT, 0640);
61 Log_fatal("Cannot open PID-file %s for writing", pidfile);
62 sprintf(str,"%d\n", getpid());
63 write(lfp, str, strlen(str)); /* record pid to lockfile */
64 Log_info("PID-file: %s", pidfile);
68 void signal_handler(int sig)
73 Log_info("HUP signal");
76 Log_info("TERM signal. Shutting down.");
87 return; /* already a daemon */
90 fprintf(stderr, "Fork error. Exiting\n");
91 exit(1); /* fork error */
94 exit(0); /* parent exits */
96 /* child (daemon) continues */
97 setsid(); /* obtain a new process group */
98 for (i = getdtablesize(); i >= 0; --i)
99 close(i); /* close all descriptors */
101 i = open("/dev/null",O_RDWR);
105 umask(027); /* set newly created file permissions */
113 struct sched_param sp;
115 sp.sched_priority = sched_get_priority_min(SCHED_RR); /* Should suffice */
116 Log_info("Setting SCHED_RR prio %d", sp.sched_priority);
117 rc = sched_setscheduler(0, SCHED_RR, &sp);
119 Log_warn("Failed to set scheduler: %s", strerror(errno));
124 printf("uMurmur version %s. Mumble protocol %d.%d.%d\n", UMURMUR_VERSION, PROTVER_MAJOR, PROTVER_MINOR, PROTVER_PATCH);
125 printf("Usage: umurmurd [-d] [-p <pidfile>] [-c <conf file>] [-h]\n");
126 printf(" -d - Do not deamonize\n");
127 printf(" -p <pidfile> - Write PID to this file\n");
128 printf(" -c <conf file> - Specify configuration file\n");
129 printf(" -r - Run with realtime priority\n");
130 printf(" -h - Print this help\n");
134 int main(int argc, char **argv)
136 bool_t nodaemon = false;
137 bool_t realtime = false;
138 char *conffile = NULL, *pidfile = NULL;
140 struct utsname utsbuf;
143 while ((c = getopt(argc, argv, "drp:c:h")) != EOF) {
161 fprintf(stderr, "Unrecognized option\n");
167 if (Conf_init(conffile) != 0) {
168 fprintf(stderr, "Configuration error\n");
181 signal(SIGCHLD, SIG_IGN); /* ignore child */
182 signal(SIGTSTP, SIG_IGN); /* ignore tty signals */
183 signal(SIGTTOU, SIG_IGN);
184 signal(SIGTTIN, SIG_IGN);
185 signal(SIGHUP, signal_handler); /* catch hangup signal */
186 signal(SIGTERM, signal_handler); /* catch kill signal */
188 /* Build system string */
189 if (uname(&utsbuf) == 0) {
190 snprintf(system_string, 64, "%s %s", utsbuf.sysname, utsbuf.machine);
191 snprintf(version_string, 64, "%s", utsbuf.release);
194 snprintf(system_string, 64, "unknown unknown");
195 snprintf(version_string, 64, "unknown");