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