code.delx.au - pulseaudio/blob - src/daemon/main.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2004-2006 Lennart Poettering
   7   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   8
   9   PulseAudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   PulseAudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with PulseAudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <unistd.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33 #include <stdio.h>
  34 #include <signal.h>
  35 #include <stddef.h>
  36 #include <ltdl.h>
  37 #include <limits.h>
  38 #include <fcntl.h>
  39 #include <unistd.h>
  40 #include <locale.h>
  41 #include <sys/types.h>
  42
  43 #include <liboil/liboil.h>
  44
  45 #ifdef HAVE_SYS_IOCTL_H
  46 #include <sys/ioctl.h>
  47 #endif
  48
  49 #ifdef HAVE_PWD_H
  50 #include <pwd.h>
  51 #endif
  52 #ifdef HAVE_GRP_H
  53 #include <grp.h>
  54 #endif
  55
  56 #ifdef HAVE_LIBWRAP
  57 #include <syslog.h>
  58 #include <tcpd.h>
  59 #endif
  60
  61 #ifdef HAVE_DBUS
  62 #include <dbus/dbus.h>
  63 #endif
  64
  65 #include <pulse/mainloop.h>
  66 #include <pulse/mainloop-signal.h>
  67 #include <pulse/timeval.h>
  68 #include <pulse/xmalloc.h>
  69
  70 #include <pulsecore/winsock.h>
  71 #include <pulsecore/core-error.h>
  72 #include <pulsecore/core.h>
  73 #include <pulsecore/memblock.h>
  74 #include <pulsecore/module.h>
  75 #include <pulsecore/cli-command.h>
  76 #include <pulsecore/log.h>
  77 #include <pulsecore/core-util.h>
  78 #include <pulsecore/sioman.h>
  79 #include <pulsecore/cli-text.h>
  80 #include <pulsecore/pid.h>
  81 #include <pulsecore/namereg.h>
  82 #include <pulsecore/random.h>
  83 #include <pulsecore/rtsig.h>
  84 #include <pulsecore/rtclock.h>
  85 #include <pulsecore/macro.h>
  86 #include <pulsecore/mutex.h>
  87 #include <pulsecore/thread.h>
  88 #include <pulsecore/once.h>
  89 #include <pulsecore/shm.h>
  90
  91 #include "cmdline.h"
  92 #include "cpulimit.h"
  93 #include "daemon-conf.h"
  94 #include "dumpmodules.h"
  95 #include "caps.h"
  96
  97 #ifdef HAVE_LIBWRAP
  98 /* Only one instance of these variables */
  99 int allow_severity = LOG_INFO;
 100 int deny_severity = LOG_WARNING;
 101 #endif
 102
 103 #ifdef HAVE_OSS
 104 /* padsp looks for this symbol in the running process and disables
 105  * itself if it finds it and it is set to 7 (which is actually a bit
 106  * mask). For details see padsp. */
 107 int __padsp_disabled__ = 7;
 108 #endif
 109
 110 #ifdef OS_IS_WIN32
 111
 112 static void message_cb(pa_mainloop_api*a, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
 113     MSG msg;
 114     struct timeval tvnext;
 115
 116     while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
 117         if (msg.message == WM_QUIT)
 118             raise(SIGTERM);
 119         else {
 120             TranslateMessage(&msg);
 121             DispatchMessage(&msg);
 122         }
 123     }
 124
 125     pa_timeval_add(pa_gettimeofday(&tvnext), 100000);
 126     a->time_restart(e, &tvnext);
 127 }
 128
 129 #endif
 130
 131 static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e, int sig, void *userdata) {
 132     pa_log_info("Got signal %s.", pa_strsignal(sig));
 133
 134     switch (sig) {
 135 #ifdef SIGUSR1
 136         case SIGUSR1:
 137             pa_module_load(userdata, "module-cli", NULL);
 138             break;
 139 #endif
 140
 141 #ifdef SIGUSR2
 142         case SIGUSR2:
 143             pa_module_load(userdata, "module-cli-protocol-unix", NULL);
 144             break;
 145 #endif
 146
 147 #ifdef SIGHUP
 148         case SIGHUP: {
 149             char *c = pa_full_status_string(userdata);
 150             pa_log_notice("%s", c);
 151             pa_xfree(c);
 152             return;
 153         }
 154 #endif
 155
 156         case SIGINT:
 157         case SIGTERM:
 158         default:
 159             pa_log_info("Exiting.");
 160             m->quit(m, 1);
 161             break;
 162     }
 163 }
 164
 165 #define set_env(key, value) putenv(pa_sprintf_malloc("%s=%s", (key), (value)))
 166
 167 #if defined(HAVE_PWD_H) && defined(HAVE_GRP_H)
 168
 169 static int change_user(void) {
 170     struct passwd *pw;
 171     struct group * gr;
 172     int r;
 173
 174     /* This function is called only in system-wide mode. It creates a
 175      * runtime dir in /var/run/ with proper UID/GID and drops privs
 176      * afterwards. */
 177
 178     if (!(pw = getpwnam(PA_SYSTEM_USER))) {
 179         pa_log("Failed to find user '%s'.", PA_SYSTEM_USER);
 180         return -1;
 181     }
 182
 183     if (!(gr = getgrnam(PA_SYSTEM_GROUP))) {
 184         pa_log("Failed to find group '%s'.", PA_SYSTEM_GROUP);
 185         return -1;
 186     }
 187
 188     pa_log_info("Found user '%s' (UID %lu) and group '%s' (GID %lu).",
 189                 PA_SYSTEM_USER, (unsigned long) pw->pw_uid,
 190                 PA_SYSTEM_GROUP, (unsigned long) gr->gr_gid);
 191
 192     if (pw->pw_gid != gr->gr_gid) {
 193         pa_log("GID of user '%s' and of group '%s' don't match.", PA_SYSTEM_USER, PA_SYSTEM_GROUP);
 194         return -1;
 195     }
 196
 197     if (strcmp(pw->pw_dir, PA_SYSTEM_RUNTIME_PATH) != 0)
 198         pa_log_warn("Warning: home directory of user '%s' is not '%s', ignoring.", PA_SYSTEM_USER, PA_SYSTEM_RUNTIME_PATH);
 199
 200     if (pa_make_secure_dir(PA_SYSTEM_RUNTIME_PATH, 0755, pw->pw_uid, gr->gr_gid) < 0) {
 201         pa_log("Failed to create '%s': %s", PA_SYSTEM_RUNTIME_PATH, pa_cstrerror(errno));
 202         return -1;
 203     }
 204
 205     if (initgroups(PA_SYSTEM_USER, gr->gr_gid) != 0) {
 206         pa_log("Failed to change group list: %s", pa_cstrerror(errno));
 207         return -1;
 208     }
 209
 210 #if defined(HAVE_SETRESGID)
 211     r = setresgid(gr->gr_gid, gr->gr_gid, gr->gr_gid);
 212 #elif defined(HAVE_SETEGID)
 213     if ((r = setgid(gr->gr_gid)) >= 0)
 214         r = setegid(gr->gr_gid);
 215 #elif defined(HAVE_SETREGID)
 216     r = setregid(gr->gr_gid, gr->gr_gid);
 217 #else
 218 #error "No API to drop priviliges"
 219 #endif
 220
 221     if (r < 0) {
 222         pa_log("Failed to change GID: %s", pa_cstrerror(errno));
 223         return -1;
 224     }
 225
 226 #if defined(HAVE_SETRESUID)
 227     r = setresuid(pw->pw_uid, pw->pw_uid, pw->pw_uid);
 228 #elif defined(HAVE_SETEUID)
 229     if ((r = setuid(pw->pw_uid)) >= 0)
 230         r = seteuid(pw->pw_uid);
 231 #elif defined(HAVE_SETREUID)
 232     r = setreuid(pw->pw_uid, pw->pw_uid);
 233 #else
 234 #error "No API to drop priviliges"
 235 #endif
 236
 237     if (r < 0) {
 238         pa_log("Failed to change UID: %s", pa_cstrerror(errno));
 239         return -1;
 240     }
 241
 242     set_env("USER", PA_SYSTEM_USER);
 243     set_env("LOGNAME", PA_SYSTEM_GROUP);
 244     set_env("HOME", PA_SYSTEM_RUNTIME_PATH);
 245
 246     /* Relevant for pa_runtime_path() */
 247     set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH);
 248     set_env("PULSE_CONFIG_PATH", PA_SYSTEM_RUNTIME_PATH);
 249
 250     pa_log_info("Successfully dropped root privileges.");
 251
 252     return 0;
 253 }
 254
 255 #else /* HAVE_PWD_H && HAVE_GRP_H */
 256
 257 static int change_user(void) {
 258     pa_log("System wide mode unsupported on this platform.");
 259     return -1;
 260 }
 261
 262 #endif /* HAVE_PWD_H && HAVE_GRP_H */
 263
 264 static int create_runtime_dir(void) {
 265     char fn[PATH_MAX];
 266
 267     pa_runtime_path(NULL, fn, sizeof(fn));
 268
 269     /* This function is called only when the daemon is started in
 270      * per-user mode. We create the runtime directory somewhere in
 271      * /tmp/ with the current UID/GID */
 272
 273     if (pa_make_secure_dir(fn, 0700, (uid_t)-1, (gid_t)-1) < 0) {
 274         pa_log("Failed to create '%s': %s", fn, pa_cstrerror(errno));
 275         return -1;
 276     }
 277
 278     return 0;
 279 }
 280
 281 #ifdef HAVE_SYS_RESOURCE_H
 282
 283 static void set_one_rlimit(const pa_rlimit *r, int resource, const char *name) {
 284     struct rlimit rl;
 285     pa_assert(r);
 286
 287     if (!r->is_set)
 288         return;
 289
 290     rl.rlim_cur = rl.rlim_max = r->value;
 291
 292     if (setrlimit(resource, &rl) < 0)
 293         pa_log_warn("setrlimit(%s, (%u, %u)) failed: %s", name, (unsigned) r->value, (unsigned) r->value, pa_cstrerror(errno));
 294 }
 295
 296 static void set_all_rlimits(const pa_daemon_conf *conf) {
 297     set_one_rlimit(&conf->rlimit_as, RLIMIT_AS, "RLIMIT_AS");
 298     set_one_rlimit(&conf->rlimit_core, RLIMIT_CORE, "RLIMIT_CORE");
 299     set_one_rlimit(&conf->rlimit_data, RLIMIT_DATA, "RLIMIT_DATA");
 300     set_one_rlimit(&conf->rlimit_fsize, RLIMIT_FSIZE, "RLIMIT_FSIZE");
 301     set_one_rlimit(&conf->rlimit_nofile, RLIMIT_NOFILE, "RLIMIT_NOFILE");
 302     set_one_rlimit(&conf->rlimit_stack, RLIMIT_STACK, "RLIMIT_STACK");
 303 #ifdef RLIMIT_NPROC
 304     set_one_rlimit(&conf->rlimit_nproc, RLIMIT_NPROC, "RLIMIT_NPROC");
 305 #endif
 306 #ifdef RLIMIT_MEMLOCK
 307     set_one_rlimit(&conf->rlimit_memlock, RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK");
 308 #endif
 309 }
 310 #endif
 311
 312 static pa_mutex *libtool_mutex = NULL;
 313
 314 static void libtool_lock(void) {
 315     pa_mutex_lock(libtool_mutex);
 316 }
 317
 318 static void libtool_unlock(void) {
 319     pa_mutex_unlock(libtool_mutex);
 320 }
 321
 322 PA_STATIC_TLS_DECLARE_NO_FREE(libtool_tls);
 323
 324 static void libtool_set_error(const char * error) {
 325     PA_STATIC_TLS_SET(libtool_tls, (char*) error);
 326 }
 327
 328 static const char *libtool_get_error(void) {
 329     return PA_STATIC_TLS_GET(libtool_tls);
 330 }
 331
 332 static void libtool_init(void)  {
 333     pa_assert_se(libtool_mutex = pa_mutex_new(TRUE, FALSE));
 334     pa_assert_se(lt_dlmutex_register(libtool_lock, libtool_unlock, libtool_set_error, libtool_get_error) == 0);
 335     pa_assert_se(lt_dlinit() == 0);
 336 }
 337
 338 static void libtool_done(void) {
 339     pa_assert_se(lt_dlexit() == 0);
 340     pa_mutex_free(libtool_mutex);
 341     libtool_mutex = NULL;
 342 }
 343
 344 int main(int argc, char *argv[]) {
 345     pa_core *c = NULL;
 346     pa_strbuf *buf = NULL;
 347     pa_daemon_conf *conf = NULL;
 348     pa_mainloop *mainloop = NULL;
 349
 350     char *s;
 351     int r, retval = 1, d = 0;
 352     int daemon_pipe[2] = { -1, -1 };
 353     int suid_root, real_root;
 354     int valid_pid_file = 0;
 355
 356     gid_t gid = (gid_t) -1;
 357
 358 #ifdef OS_IS_WIN32
 359     pa_time_event *timer;
 360     struct timeval tv;
 361 #endif
 362
 363 #ifdef HAVE_GETUID
 364     real_root = getuid() == 0;
 365     suid_root = !real_root && geteuid() == 0;
 366 #else
 367     real_root = 0;
 368     suid_root = 0;
 369 #endif
 370
 371     if (suid_root) {
 372         /* Drop all capabilities except CAP_SYS_NICE  */
 373         pa_limit_caps();
 374
 375         /* Drop priviliges, but keep CAP_SYS_NICE */
 376         pa_drop_root();
 377
 378         /* After dropping root, the effective set is reset, hence,
 379          * let's raise it again */
 380         pa_limit_caps();
 381
 382         /* When capabilities are not supported we will not be able to
 383          * aquire RT sched anymore. But yes, that's the way it is. It
 384          * is just too risky tun let PA run as root all the time. */
 385     }
 386
 387     setlocale(LC_ALL, "");
 388
 389     if (suid_root && (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) <= 0)) {
 390         pa_log_info("Warning: Called SUID root, but not in group '"PA_REALTIME_GROUP"'. "
 391                     "For enabling real-time scheduling please become a member of '"PA_REALTIME_GROUP"' , or increase the RLIMIT_RTPRIO user limit.");
 392         pa_drop_caps();
 393         pa_drop_root();
 394         suid_root = real_root = 0;
 395     }
 396
 397     LTDL_SET_PRELOADED_SYMBOLS();
 398
 399     libtool_init();
 400
 401 #ifdef OS_IS_WIN32
 402     {
 403         WSADATA data;
 404         WSAStartup(MAKEWORD(2, 0), &data);
 405     }
 406 #endif
 407
 408     pa_random_seed();
 409
 410     pa_log_set_ident("pulseaudio");
 411
 412     conf = pa_daemon_conf_new();
 413
 414     if (pa_daemon_conf_load(conf, NULL) < 0)
 415         goto finish;
 416
 417     if (pa_daemon_conf_env(conf) < 0)
 418         goto finish;
 419
 420     if (pa_cmdline_parse(conf, argc, argv, &d) < 0) {
 421         pa_log("failed to parse command line.");
 422         goto finish;
 423     }
 424
 425     pa_log_set_maximal_level(conf->log_level);
 426     pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target, NULL);
 427
 428     if (conf->high_priority && conf->cmd == PA_CMD_DAEMON)
 429         pa_raise_priority();
 430
 431     if (suid_root && (conf->cmd != PA_CMD_DAEMON || !conf->high_priority)) {
 432         pa_drop_caps();
 433         pa_drop_root();
 434     }
 435
 436     if (conf->dl_search_path)
 437         lt_dlsetsearchpath(conf->dl_search_path);
 438
 439     switch (conf->cmd) {
 440         case PA_CMD_DUMP_MODULES:
 441             pa_dump_modules(conf, argc-d, argv+d);
 442             retval = 0;
 443             goto finish;
 444
 445         case PA_CMD_DUMP_CONF: {
 446             s = pa_daemon_conf_dump(conf);
 447             fputs(s, stdout);
 448             pa_xfree(s);
 449             retval = 0;
 450             goto finish;
 451         }
 452
 453         case PA_CMD_DUMP_RESAMPLE_METHODS: {
 454             int i;
 455
 456             for (i = 0; i < PA_RESAMPLER_MAX; i++)
 457                 if (pa_resample_method_supported(i))
 458                     printf("%s\n", pa_resample_method_to_string(i));
 459
 460             goto finish;
 461         }
 462
 463         case PA_CMD_HELP :
 464             pa_cmdline_help(argv[0]);
 465             retval = 0;
 466             goto finish;
 467
 468         case PA_CMD_VERSION :
 469             printf(PACKAGE_NAME" "PACKAGE_VERSION"\n");
 470             retval = 0;
 471             goto finish;
 472
 473         case PA_CMD_CHECK: {
 474             pid_t pid;
 475
 476             if (pa_pid_file_check_running(&pid) < 0) {
 477                 pa_log_info("daemon not running");
 478             } else {
 479                 pa_log_info("daemon running as PID %u", pid);
 480                 retval = 0;
 481             }
 482
 483             goto finish;
 484
 485         }
 486         case PA_CMD_KILL:
 487
 488             if (pa_pid_file_kill(SIGINT, NULL) < 0)
 489                 pa_log("failed to kill daemon.");
 490             else
 491                 retval = 0;
 492
 493             goto finish;
 494
 495         case PA_CMD_CLEANUP_SHM:
 496
 497             if (pa_shm_cleanup() >= 0)
 498                 retval = 0;
 499
 500             goto finish;
 501
 502         default:
 503             pa_assert(conf->cmd == PA_CMD_DAEMON);
 504     }
 505
 506     if (real_root && !conf->system_instance) {
 507         pa_log_warn("This program is not intended to be run as root (unless --system is specified).");
 508     } else if (!real_root && conf->system_instance) {
 509         pa_log("Root priviliges required.");
 510         goto finish;
 511     }
 512
 513     if (conf->daemonize) {
 514         pid_t child;
 515         int tty_fd;
 516
 517         if (pa_stdio_acquire() < 0) {
 518             pa_log("failed to acquire stdio.");
 519             goto finish;
 520         }
 521
 522 #ifdef HAVE_FORK
 523         if (pipe(daemon_pipe) < 0) {
 524             pa_log("failed to create pipe.");
 525             goto finish;
 526         }
 527
 528         if ((child = fork()) < 0) {
 529             pa_log("fork() failed: %s", pa_cstrerror(errno));
 530             goto finish;
 531         }
 532
 533         if (child != 0) {
 534             /* Father */
 535
 536             pa_assert_se(pa_close(daemon_pipe[1]) == 0);
 537             daemon_pipe[1] = -1;
 538
 539             if (pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL) != sizeof(retval)) {
 540                 pa_log("read() failed: %s", pa_cstrerror(errno));
 541                 retval = 1;
 542             }
 543
 544             if (retval)
 545                 pa_log("daemon startup failed.");
 546             else
 547                 pa_log_info("daemon startup successful.");
 548
 549             goto finish;
 550         }
 551
 552         pa_assert_se(pa_close(daemon_pipe[0]) == 0);
 553         daemon_pipe[0] = -1;
 554 #endif
 555
 556         if (conf->auto_log_target)
 557             pa_log_set_target(PA_LOG_SYSLOG, NULL);
 558
 559 #ifdef HAVE_SETSID
 560         setsid();
 561 #endif
 562 #ifdef HAVE_SETPGID
 563         setpgid(0,0);
 564 #endif
 565
 566 #ifndef OS_IS_WIN32
 567         pa_close(0);
 568         pa_close(1);
 569         pa_close(2);
 570
 571         open("/dev/null", O_RDONLY);
 572         open("/dev/null", O_WRONLY);
 573         open("/dev/null", O_WRONLY);
 574 #else
 575         FreeConsole();
 576 #endif
 577
 578 #ifdef SIGTTOU
 579         signal(SIGTTOU, SIG_IGN);
 580 #endif
 581 #ifdef SIGTTIN
 582         signal(SIGTTIN, SIG_IGN);
 583 #endif
 584 #ifdef SIGTSTP
 585         signal(SIGTSTP, SIG_IGN);
 586 #endif
 587
 588 #ifdef TIOCNOTTY
 589         if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) {
 590             ioctl(tty_fd, TIOCNOTTY, (char*) 0);
 591             pa_assert_se(pa_close(tty_fd) == 0);
 592         }
 593 #endif
 594     }
 595
 596     pa_assert_se(chdir("/") == 0);
 597     umask(0022);
 598
 599     if (conf->system_instance) {
 600         if (change_user() < 0)
 601             goto finish;
 602     } else if (create_runtime_dir() < 0)
 603         goto finish;
 604
 605     if (conf->use_pid_file) {
 606         if (pa_pid_file_create() < 0) {
 607             pa_log("pa_pid_file_create() failed.");
 608 #ifdef HAVE_FORK
 609             if (conf->daemonize)
 610                 pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 611 #endif
 612             goto finish;
 613         }
 614
 615         valid_pid_file = 1;
 616     }
 617
 618 #ifdef HAVE_SYS_RESOURCE_H
 619     set_all_rlimits(conf);
 620 #endif
 621
 622 #ifdef SIGPIPE
 623     signal(SIGPIPE, SIG_IGN);
 624 #endif
 625
 626     pa_log_info("Page size is %lu bytes", (unsigned long) PA_PAGE_SIZE);
 627
 628     if (pa_rtclock_hrtimer())
 629         pa_log_info("Fresh high-resolution timers available! Bon appetit!");
 630     else
 631         pa_log_info("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!");
 632
 633     pa_rtsig_configure(SIGRTMIN+10, SIGRTMAX);
 634
 635     pa_assert_se(mainloop = pa_mainloop_new());
 636
 637     if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm))) {
 638         pa_log("pa_core_new() failed.");
 639         goto finish;
 640     }
 641
 642     c->is_system_instance = !!conf->system_instance;
 643     c->high_priority = !!conf->high_priority;
 644     c->default_sample_spec = conf->default_sample_spec;
 645     c->default_n_fragments = conf->default_n_fragments;
 646     c->default_fragment_size_msec = conf->default_fragment_size_msec;
 647     c->disallow_module_loading = conf->disallow_module_loading;
 648     c->exit_idle_time = conf->exit_idle_time;
 649     c->module_idle_time = conf->module_idle_time;
 650     c->scache_idle_time = conf->scache_idle_time;
 651     c->resample_method = conf->resample_method;
 652
 653     pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
 654     pa_signal_new(SIGINT, signal_callback, c);
 655     pa_signal_new(SIGTERM, signal_callback, c);
 656
 657 #ifdef SIGUSR1
 658     pa_signal_new(SIGUSR1, signal_callback, c);
 659 #endif
 660 #ifdef SIGUSR2
 661     pa_signal_new(SIGUSR2, signal_callback, c);
 662 #endif
 663 #ifdef SIGHUP
 664     pa_signal_new(SIGHUP, signal_callback, c);
 665 #endif
 666
 667 #ifdef OS_IS_WIN32
 668     pa_assert_se(timer = pa_mainloop_get_api(mainloop)->time_new(pa_mainloop_get_api(mainloop), pa_gettimeofday(&tv), message_cb, NULL));
 669 #endif
 670
 671     if (conf->daemonize)
 672         c->running_as_daemon = 1;
 673
 674     oil_init();
 675
 676     if (!conf->no_cpu_limit)
 677         pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop)) == 0);
 678
 679     buf = pa_strbuf_new();
 680     if (conf->default_script_file)
 681         r = pa_cli_command_execute_file(c, conf->default_script_file, buf, &conf->fail);
 682
 683     if (r >= 0)
 684         r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail);
 685     pa_log_error("%s", s = pa_strbuf_tostring_free(buf));
 686     pa_xfree(s);
 687
 688     if (r < 0 && conf->fail) {
 689         pa_log("failed to initialize daemon.");
 690 #ifdef HAVE_FORK
 691         if (conf->daemonize)
 692             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 693 #endif
 694     } else if (!c->modules || pa_idxset_size(c->modules) == 0) {
 695         pa_log("daemon startup without any loaded modules, refusing to work.");
 696 #ifdef HAVE_FORK
 697         if (conf->daemonize)
 698             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 699 #endif
 700     } else {
 701
 702         retval = 0;
 703 #ifdef HAVE_FORK
 704         if (conf->daemonize)
 705             pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
 706 #endif
 707
 708         if (c->default_sink_name &&
 709             pa_namereg_get(c, c->default_sink_name, PA_NAMEREG_SINK, 1) == NULL) {
 710             pa_log_error("%s : Fatal error. Default sink name (%s) does not exist in name register.", __FILE__, c->default_sink_name);
 711             retval = 1;
 712         } else {
 713             pa_log_info("Daemon startup complete.");
 714             if (pa_mainloop_run(mainloop, &retval) < 0)
 715                 retval = 1;
 716             pa_log_info("Daemon shutdown initiated.");
 717         }
 718     }
 719
 720 #ifdef OS_IS_WIN32
 721     pa_mainloop_get_api(mainloop)->time_free(timer);
 722 #endif
 723
 724     pa_core_unref(c);
 725
 726     if (!conf->no_cpu_limit)
 727         pa_cpu_limit_done();
 728
 729     pa_signal_done();
 730
 731     pa_log_info("Daemon terminated.");
 732
 733 finish:
 734
 735     if (mainloop)
 736         pa_mainloop_free(mainloop);
 737
 738     if (conf)
 739         pa_daemon_conf_free(conf);
 740
 741     if (valid_pid_file)
 742         pa_pid_file_remove();
 743
 744     pa_close_pipe(daemon_pipe);
 745
 746 #ifdef OS_IS_WIN32
 747     WSACleanup();
 748 #endif
 749
 750     libtool_done();
 751
 752 #ifdef HAVE_DBUS
 753     dbus_shutdown();
 754 #endif
 755
 756     return retval;
 757 }