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