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

   1 /***
   2   This file is part of PulseAudio.
   3
   4   Copyright 2004-2006 Lennart Poettering
   5   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
   6
   7   PulseAudio is free software; you can redistribute it and/or modify
   8   it under the terms of the GNU Lesser General Public License as published
   9   by the Free Software Foundation; either version 2 of the License,
  10   or (at your option) any later version.
  11
  12   PulseAudio is distributed in the hope that it will be useful, but
  13   WITHOUT ANY WARRANTY; without even the implied warranty of
  14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15   General Public License for more details.
  16
  17   You should have received a copy of the GNU Lesser General Public License
  18   along with PulseAudio; if not, write to the Free Software
  19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20   USA.
  21 ***/
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <errno.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <unistd.h>
  31 #include <sched.h>
  32
  33 #include <pulse/xmalloc.h>
  34 #include <pulse/timeval.h>
  35 #include <pulse/i18n.h>
  36
  37 #include <pulsecore/core-error.h>
  38 #include <pulsecore/core-util.h>
  39 #include <pulsecore/strbuf.h>
  40 #include <pulsecore/conf-parser.h>
  41 #include <pulsecore/resampler.h>
  42 #include <pulsecore/macro.h>
  43
  44 #include "daemon-conf.h"
  45
  46 #define DEFAULT_SCRIPT_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "default.pa"
  47 #define DEFAULT_SCRIPT_FILE_USER PA_PATH_SEP "default.pa"
  48 #define DEFAULT_SYSTEM_SCRIPT_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "system.pa"
  49
  50 #define DEFAULT_CONFIG_FILE PA_DEFAULT_CONFIG_DIR PA_PATH_SEP "daemon.conf"
  51 #define DEFAULT_CONFIG_FILE_USER PA_PATH_SEP "daemon.conf"
  52
  53 #define ENV_SCRIPT_FILE "PULSE_SCRIPT"
  54 #define ENV_CONFIG_FILE "PULSE_CONFIG"
  55 #define ENV_DL_SEARCH_PATH "PULSE_DLPATH"
  56
  57 static const pa_daemon_conf default_conf = {
  58     .cmd = PA_CMD_DAEMON,
  59     .daemonize = FALSE,
  60     .fail = TRUE,
  61     .high_priority = TRUE,
  62     .nice_level = -11,
  63     .realtime_scheduling = FALSE,
  64     .realtime_priority = 5,  /* Half of JACK's default rtprio */
  65     .disallow_module_loading = FALSE,
  66     .disallow_exit = FALSE,
  67     .flat_volumes = TRUE,
  68     .exit_idle_time = 20,
  69     .scache_idle_time = 20,
  70     .auto_log_target = 1,
  71     .script_commands = NULL,
  72     .dl_search_path = NULL,
  73     .load_default_script_file = TRUE,
  74     .default_script_file = NULL,
  75     .log_target = PA_LOG_SYSLOG,
  76     .log_level = PA_LOG_NOTICE,
  77     .log_backtrace = 0,
  78     .log_meta = FALSE,
  79     .log_time = FALSE,
  80     .resample_method = PA_RESAMPLER_AUTO,
  81     .disable_remixing = FALSE,
  82     .disable_lfe_remixing = TRUE,
  83     .config_file = NULL,
  84     .use_pid_file = TRUE,
  85     .system_instance = FALSE,
  86     .no_cpu_limit = FALSE,
  87     .disable_shm = FALSE,
  88     .default_n_fragments = 4,
  89     .default_fragment_size_msec = 25,
  90     .default_sample_spec = { .format = PA_SAMPLE_S16NE, .rate = 44100, .channels = 2 },
  91     .default_channel_map = { .channels = 2, .map = { PA_CHANNEL_POSITION_LEFT, PA_CHANNEL_POSITION_RIGHT } },
  92     .shm_size = 0
  93 #ifdef HAVE_SYS_RESOURCE_H
  94    ,.rlimit_fsize = { .value = 0, .is_set = FALSE },
  95     .rlimit_data = { .value = 0, .is_set = FALSE },
  96     .rlimit_stack = { .value = 0, .is_set = FALSE },
  97     .rlimit_core = { .value = 0, .is_set = FALSE },
  98     .rlimit_rss = { .value = 0, .is_set = FALSE }
  99 #ifdef RLIMIT_NPROC
 100    ,.rlimit_nproc = { .value = 0, .is_set = FALSE }
 101 #endif
 102 #ifdef RLIMIT_NOFILE
 103    ,.rlimit_nofile = { .value = 256, .is_set = TRUE }
 104 #endif
 105 #ifdef RLIMIT_MEMLOCK
 106    ,.rlimit_memlock = { .value = 0, .is_set = FALSE }
 107 #endif
 108 #ifdef RLIMIT_AS
 109    ,.rlimit_as = { .value = 0, .is_set = FALSE }
 110 #endif
 111 #ifdef RLIMIT_LOCKS
 112    ,.rlimit_locks = { .value = 0, .is_set = FALSE }
 113 #endif
 114 #ifdef RLIMIT_SIGPENDING
 115    ,.rlimit_sigpending = { .value = 0, .is_set = FALSE }
 116 #endif
 117 #ifdef RLIMIT_MSGQUEUE
 118    ,.rlimit_msgqueue = { .value = 0, .is_set = FALSE }
 119 #endif
 120 #ifdef RLIMIT_NICE
 121    ,.rlimit_nice = { .value = 31, .is_set = TRUE }     /* nice level of -11 */
 122 #endif
 123 #ifdef RLIMIT_RTPRIO
 124    ,.rlimit_rtprio = { .value = 9, .is_set = TRUE }    /* One below JACK's default for the server */
 125 #endif
 126 #ifdef RLIMIT_RTTIME
 127    ,.rlimit_rttime = { .value = PA_USEC_PER_SEC, .is_set = TRUE }
 128 #endif
 129 #endif
 130 };
 131
 132 pa_daemon_conf* pa_daemon_conf_new(void) {
 133     pa_daemon_conf *c = pa_xnewdup(pa_daemon_conf, &default_conf, 1);
 134
 135     c->dl_search_path = pa_xstrdup(PA_DLSEARCHPATH);
 136     return c;
 137 }
 138
 139 void pa_daemon_conf_free(pa_daemon_conf *c) {
 140     pa_assert(c);
 141     pa_xfree(c->script_commands);
 142     pa_xfree(c->dl_search_path);
 143     pa_xfree(c->default_script_file);
 144     pa_xfree(c->config_file);
 145     pa_xfree(c);
 146 }
 147
 148 int pa_daemon_conf_set_log_target(pa_daemon_conf *c, const char *string) {
 149     pa_assert(c);
 150     pa_assert(string);
 151
 152     if (!strcmp(string, "auto"))
 153         c->auto_log_target = 1;
 154     else if (!strcmp(string, "syslog")) {
 155         c->auto_log_target = 0;
 156         c->log_target = PA_LOG_SYSLOG;
 157     } else if (!strcmp(string, "stderr")) {
 158         c->auto_log_target = 0;
 159         c->log_target = PA_LOG_STDERR;
 160     } else
 161         return -1;
 162
 163     return 0;
 164 }
 165
 166 int pa_daemon_conf_set_log_level(pa_daemon_conf *c, const char *string) {
 167     uint32_t u;
 168     pa_assert(c);
 169     pa_assert(string);
 170
 171     if (pa_atou(string, &u) >= 0) {
 172         if (u >= PA_LOG_LEVEL_MAX)
 173             return -1;
 174
 175         c->log_level = (pa_log_level_t) u;
 176     } else if (pa_startswith(string, "debug"))
 177         c->log_level = PA_LOG_DEBUG;
 178     else if (pa_startswith(string, "info"))
 179         c->log_level = PA_LOG_INFO;
 180     else if (pa_startswith(string, "notice"))
 181         c->log_level = PA_LOG_NOTICE;
 182     else if (pa_startswith(string, "warn"))
 183         c->log_level = PA_LOG_WARN;
 184     else if (pa_startswith(string, "err"))
 185         c->log_level = PA_LOG_ERROR;
 186     else
 187         return -1;
 188
 189     return 0;
 190 }
 191
 192 int pa_daemon_conf_set_resample_method(pa_daemon_conf *c, const char *string) {
 193     int m;
 194     pa_assert(c);
 195     pa_assert(string);
 196
 197     if ((m = pa_parse_resample_method(string)) < 0)
 198         return -1;
 199
 200     c->resample_method = m;
 201     return 0;
 202 }
 203
 204 static int parse_log_target(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 205     pa_daemon_conf *c = data;
 206
 207     pa_assert(filename);
 208     pa_assert(lvalue);
 209     pa_assert(rvalue);
 210     pa_assert(data);
 211
 212     if (pa_daemon_conf_set_log_target(c, rvalue) < 0) {
 213         pa_log(_("[%s:%u] Invalid log target '%s'."), filename, line, rvalue);
 214         return -1;
 215     }
 216
 217     return 0;
 218 }
 219
 220 static int parse_log_level(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 221     pa_daemon_conf *c = data;
 222
 223     pa_assert(filename);
 224     pa_assert(lvalue);
 225     pa_assert(rvalue);
 226     pa_assert(data);
 227
 228     if (pa_daemon_conf_set_log_level(c, rvalue) < 0) {
 229         pa_log(_("[%s:%u] Invalid log level '%s'."), filename, line, rvalue);
 230         return -1;
 231     }
 232
 233     return 0;
 234 }
 235
 236 static int parse_resample_method(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 237     pa_daemon_conf *c = data;
 238
 239     pa_assert(filename);
 240     pa_assert(lvalue);
 241     pa_assert(rvalue);
 242     pa_assert(data);
 243
 244     if (pa_daemon_conf_set_resample_method(c, rvalue) < 0) {
 245         pa_log(_("[%s:%u] Invalid resample method '%s'."), filename, line, rvalue);
 246         return -1;
 247     }
 248
 249     return 0;
 250 }
 251
 252 static int parse_rlimit(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 253 #ifdef HAVE_SYS_RESOURCE_H
 254     struct pa_rlimit *r = data;
 255
 256     pa_assert(filename);
 257     pa_assert(lvalue);
 258     pa_assert(rvalue);
 259     pa_assert(r);
 260
 261     if (rvalue[strspn(rvalue, "\t ")] == 0) {
 262         /* Empty string */
 263         r->is_set = 0;
 264         r->value = 0;
 265     } else {
 266         int32_t k;
 267         if (pa_atoi(rvalue, &k) < 0) {
 268             pa_log(_("[%s:%u] Invalid rlimit '%s'."), filename, line, rvalue);
 269             return -1;
 270         }
 271         r->is_set = k >= 0;
 272         r->value = k >= 0 ? (rlim_t) k : 0;
 273     }
 274 #else
 275     pa_log_warn(_("[%s:%u] rlimit not supported on this platform."), filename, line);
 276 #endif
 277
 278     return 0;
 279 }
 280
 281 static int parse_sample_format(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 282     pa_daemon_conf *c = data;
 283     pa_sample_format_t f;
 284
 285     pa_assert(filename);
 286     pa_assert(lvalue);
 287     pa_assert(rvalue);
 288     pa_assert(data);
 289
 290     if ((f = pa_parse_sample_format(rvalue)) < 0) {
 291         pa_log(_("[%s:%u] Invalid sample format '%s'."), filename, line, rvalue);
 292         return -1;
 293     }
 294
 295     c->default_sample_spec.format = f;
 296     return 0;
 297 }
 298
 299 static int parse_sample_rate(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 300     pa_daemon_conf *c = data;
 301     uint32_t r;
 302
 303     pa_assert(filename);
 304     pa_assert(lvalue);
 305     pa_assert(rvalue);
 306     pa_assert(data);
 307
 308     if (pa_atou(rvalue, &r) < 0 || r > (uint32_t) PA_RATE_MAX || r <= 0) {
 309         pa_log(_("[%s:%u] Invalid sample rate '%s'."), filename, line, rvalue);
 310         return -1;
 311     }
 312
 313     c->default_sample_spec.rate = r;
 314     return 0;
 315 }
 316
 317 struct channel_conf_info {
 318     pa_daemon_conf *conf;
 319     pa_bool_t default_sample_spec_set;
 320     pa_bool_t default_channel_map_set;
 321 };
 322
 323 static int parse_sample_channels(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 324     struct channel_conf_info *i = data;
 325     int32_t n;
 326
 327     pa_assert(filename);
 328     pa_assert(lvalue);
 329     pa_assert(rvalue);
 330     pa_assert(data);
 331
 332     if (pa_atoi(rvalue, &n) < 0 || n > (int32_t) PA_CHANNELS_MAX || n <= 0) {
 333         pa_log(_("[%s:%u] Invalid sample channels '%s'."), filename, line, rvalue);
 334         return -1;
 335     }
 336
 337     i->conf->default_sample_spec.channels = (uint8_t) n;
 338     i->default_sample_spec_set = TRUE;
 339     return 0;
 340 }
 341
 342 static int parse_channel_map(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 343     struct channel_conf_info *i = data;
 344
 345     pa_assert(filename);
 346     pa_assert(lvalue);
 347     pa_assert(rvalue);
 348     pa_assert(data);
 349
 350     if (!pa_channel_map_parse(&i->conf->default_channel_map, rvalue)) {
 351         pa_log(_("[%s:%u] Invalid channel map '%s'."), filename, line, rvalue);
 352         return -1;
 353     }
 354
 355     i->default_channel_map_set = TRUE;
 356     return 0;
 357 }
 358
 359 static int parse_fragments(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 360     pa_daemon_conf *c = data;
 361     int32_t n;
 362
 363     pa_assert(filename);
 364     pa_assert(lvalue);
 365     pa_assert(rvalue);
 366     pa_assert(data);
 367
 368     if (pa_atoi(rvalue, &n) < 0 || n < 2) {
 369         pa_log(_("[%s:%u] Invalid number of fragments '%s'."), filename, line, rvalue);
 370         return -1;
 371     }
 372
 373     c->default_n_fragments = (unsigned) n;
 374     return 0;
 375 }
 376
 377 static int parse_fragment_size_msec(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 378     pa_daemon_conf *c = data;
 379     int32_t n;
 380
 381     pa_assert(filename);
 382     pa_assert(lvalue);
 383     pa_assert(rvalue);
 384     pa_assert(data);
 385
 386     if (pa_atoi(rvalue, &n) < 0 || n < 1) {
 387         pa_log(_("[%s:%u] Invalid fragment size '%s'."), filename, line, rvalue);
 388         return -1;
 389     }
 390
 391     c->default_fragment_size_msec = (unsigned) n;
 392     return 0;
 393 }
 394
 395 static int parse_nice_level(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 396     pa_daemon_conf *c = data;
 397     int32_t level;
 398
 399     pa_assert(filename);
 400     pa_assert(lvalue);
 401     pa_assert(rvalue);
 402     pa_assert(data);
 403
 404     if (pa_atoi(rvalue, &level) < 0 || level < -20 || level > 19) {
 405         pa_log(_("[%s:%u] Invalid nice level '%s'."), filename, line, rvalue);
 406         return -1;
 407     }
 408
 409     c->nice_level = (int) level;
 410     return 0;
 411 }
 412
 413 static int parse_rtprio(const char *filename, unsigned line, const char *section, const char *lvalue, const char *rvalue, void *data, void *userdata) {
 414     pa_daemon_conf *c = data;
 415     int32_t rtprio;
 416
 417     pa_assert(filename);
 418     pa_assert(lvalue);
 419     pa_assert(rvalue);
 420     pa_assert(data);
 421
 422     if (pa_atoi(rvalue, &rtprio) < 0 || rtprio < sched_get_priority_min(SCHED_FIFO) || rtprio > sched_get_priority_max(SCHED_FIFO)) {
 423         pa_log("[%s:%u] Invalid realtime priority '%s'.", filename, line, rvalue);
 424         return -1;
 425     }
 426
 427     c->realtime_priority = (int) rtprio;
 428     return 0;
 429 }
 430
 431 int pa_daemon_conf_load(pa_daemon_conf *c, const char *filename) {
 432     int r = -1;
 433     FILE *f = NULL;
 434     struct channel_conf_info ci;
 435     pa_config_item table[] = {
 436         { "daemonize",                  pa_config_parse_bool,     &c->daemonize, NULL },
 437         { "fail",                       pa_config_parse_bool,     &c->fail, NULL },
 438         { "high-priority",              pa_config_parse_bool,     &c->high_priority, NULL },
 439         { "realtime-scheduling",        pa_config_parse_bool,     &c->realtime_scheduling, NULL },
 440         { "disallow-module-loading",    pa_config_parse_bool,     &c->disallow_module_loading, NULL },
 441         { "disallow-exit",              pa_config_parse_bool,     &c->disallow_exit, NULL },
 442         { "use-pid-file",               pa_config_parse_bool,     &c->use_pid_file, NULL },
 443         { "system-instance",            pa_config_parse_bool,     &c->system_instance, NULL },
 444         { "no-cpu-limit",               pa_config_parse_bool,     &c->no_cpu_limit, NULL },
 445         { "disable-shm",                pa_config_parse_bool,     &c->disable_shm, NULL },
 446         { "flat-volumes",               pa_config_parse_bool,     &c->flat_volumes, NULL },
 447         { "exit-idle-time",             pa_config_parse_int,      &c->exit_idle_time, NULL },
 448         { "scache-idle-time",           pa_config_parse_int,      &c->scache_idle_time, NULL },
 449         { "realtime-priority",          parse_rtprio,             c, NULL },
 450         { "dl-search-path",             pa_config_parse_string,   &c->dl_search_path, NULL },
 451         { "default-script-file",        pa_config_parse_string,   &c->default_script_file, NULL },
 452         { "log-target",                 parse_log_target,         c, NULL },
 453         { "log-level",                  parse_log_level,          c, NULL },
 454         { "verbose",                    parse_log_level,          c, NULL },
 455         { "resample-method",            parse_resample_method,    c, NULL },
 456         { "default-sample-format",      parse_sample_format,      c, NULL },
 457         { "default-sample-rate",        parse_sample_rate,        c, NULL },
 458         { "default-sample-channels",    parse_sample_channels,    &ci,  NULL },
 459         { "default-channel-map",        parse_channel_map,        &ci,  NULL },
 460         { "default-fragments",          parse_fragments,          c, NULL },
 461         { "default-fragment-size-msec", parse_fragment_size_msec, c, NULL },
 462         { "nice-level",                 parse_nice_level,         c, NULL },
 463         { "disable-remixing",           pa_config_parse_bool,     &c->disable_remixing, NULL },
 464         { "disable-lfe-remixing",       pa_config_parse_bool,     &c->disable_lfe_remixing, NULL },
 465         { "load-default-script-file",   pa_config_parse_bool,     &c->load_default_script_file, NULL },
 466         { "shm-size-bytes",             pa_config_parse_size,     &c->shm_size, NULL },
 467         { "log-meta",                   pa_config_parse_bool,     &c->log_meta, NULL },
 468         { "log-time",                   pa_config_parse_bool,     &c->log_time, NULL },
 469         { "log-backtrace",              pa_config_parse_unsigned, &c->log_backtrace, NULL },
 470 #ifdef HAVE_SYS_RESOURCE_H
 471         { "rlimit-fsize",               parse_rlimit,             &c->rlimit_fsize, NULL },
 472         { "rlimit-data",                parse_rlimit,             &c->rlimit_data, NULL },
 473         { "rlimit-stack",               parse_rlimit,             &c->rlimit_stack, NULL },
 474         { "rlimit-core",                parse_rlimit,             &c->rlimit_core, NULL },
 475         { "rlimit-rss",                 parse_rlimit,             &c->rlimit_rss, NULL },
 476 #ifdef RLIMIT_NOFILE
 477         { "rlimit-nofile",              parse_rlimit,             &c->rlimit_nofile, NULL },
 478 #endif
 479 #ifdef RLIMIT_AS
 480         { "rlimit-as",                  parse_rlimit,             &c->rlimit_as, NULL },
 481 #endif
 482 #ifdef RLIMIT_NPROC
 483         { "rlimit-nproc",               parse_rlimit,             &c->rlimit_nproc, NULL },
 484 #endif
 485 #ifdef RLIMIT_MEMLOCK
 486         { "rlimit-memlock",             parse_rlimit,             &c->rlimit_memlock, NULL },
 487 #endif
 488 #ifdef RLIMIT_LOCKS
 489         { "rlimit-locks",               parse_rlimit,             &c->rlimit_locks, NULL },
 490 #endif
 491 #ifdef RLIMIT_SIGPENDING
 492         { "rlimit-sigpending",          parse_rlimit,             &c->rlimit_sigpending, NULL },
 493 #endif
 494 #ifdef RLIMIT_MSGQUEUE
 495         { "rlimit-msgqueue",            parse_rlimit,             &c->rlimit_msgqueue, NULL },
 496 #endif
 497 #ifdef RLIMIT_NICE
 498         { "rlimit-nice",                parse_rlimit,             &c->rlimit_nice, NULL },
 499 #endif
 500 #ifdef RLIMIT_RTPRIO
 501         { "rlimit-rtprio",              parse_rlimit,             &c->rlimit_rtprio, NULL },
 502 #endif
 503 #ifdef RLIMIT_RTTIME
 504         { "rlimit-rttime",              parse_rlimit,             &c->rlimit_rttime, NULL },
 505 #endif
 506 #endif
 507         { NULL,                         NULL,                     NULL, NULL },
 508     };
 509
 510     pa_xfree(c->config_file);
 511     c->config_file = NULL;
 512
 513     f = filename ?
 514         fopen(c->config_file = pa_xstrdup(filename), "r") :
 515         pa_open_config_file(DEFAULT_CONFIG_FILE, DEFAULT_CONFIG_FILE_USER, ENV_CONFIG_FILE, &c->config_file);
 516
 517     if (!f && errno != ENOENT) {
 518         pa_log_warn(_("Failed to open configuration file: %s"), pa_cstrerror(errno));
 519         goto finish;
 520     }
 521
 522     ci.default_channel_map_set = ci.default_sample_spec_set = FALSE;
 523     ci.conf = c;
 524
 525     r = f ? pa_config_parse(c->config_file, f, table, NULL) : 0;
 526
 527     if (r >= 0) {
 528
 529         /* Make sure that channel map and sample spec fit together */
 530
 531         if (ci.default_sample_spec_set &&
 532             ci.default_channel_map_set &&
 533             c->default_channel_map.channels != c->default_sample_spec.channels) {
 534             pa_log_error(_("The specified default channel map has a different number of channels than the specified default number of channels."));
 535             r = -1;
 536             goto finish;
 537         } else if (ci.default_sample_spec_set)
 538             pa_channel_map_init_extend(&c->default_channel_map, c->default_sample_spec.channels, PA_CHANNEL_MAP_DEFAULT);
 539         else if (ci.default_channel_map_set)
 540             c->default_sample_spec.channels = c->default_channel_map.channels;
 541     }
 542
 543 finish:
 544     if (f)
 545         fclose(f);
 546
 547     return r;
 548 }
 549
 550 int pa_daemon_conf_env(pa_daemon_conf *c) {
 551     char *e;
 552     pa_assert(c);
 553
 554     if ((e = getenv(ENV_DL_SEARCH_PATH))) {
 555         pa_xfree(c->dl_search_path);
 556         c->dl_search_path = pa_xstrdup(e);
 557     }
 558     if ((e = getenv(ENV_SCRIPT_FILE))) {
 559         pa_xfree(c->default_script_file);
 560         c->default_script_file = pa_xstrdup(e);
 561     }
 562
 563     return 0;
 564 }
 565
 566 const char *pa_daemon_conf_get_default_script_file(pa_daemon_conf *c) {
 567     pa_assert(c);
 568
 569     if (!c->default_script_file) {
 570         if (c->system_instance)
 571             c->default_script_file = pa_find_config_file(DEFAULT_SYSTEM_SCRIPT_FILE, NULL, ENV_SCRIPT_FILE);
 572         else
 573             c->default_script_file = pa_find_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE);
 574     }
 575
 576     return c->default_script_file;
 577 }
 578
 579 FILE *pa_daemon_conf_open_default_script_file(pa_daemon_conf *c) {
 580     FILE *f;
 581     pa_assert(c);
 582
 583     if (!c->default_script_file) {
 584         if (c->system_instance)
 585             f = pa_open_config_file(DEFAULT_SYSTEM_SCRIPT_FILE, NULL, ENV_SCRIPT_FILE, &c->default_script_file);
 586         else
 587             f = pa_open_config_file(DEFAULT_SCRIPT_FILE, DEFAULT_SCRIPT_FILE_USER, ENV_SCRIPT_FILE, &c->default_script_file);
 588     } else
 589         f = fopen(c->default_script_file, "r");
 590
 591     return f;
 592 }
 593
 594
 595 static const char* const log_level_to_string[] = {
 596     [PA_LOG_DEBUG] = "debug",
 597     [PA_LOG_INFO] = "info",
 598     [PA_LOG_NOTICE] = "notice",
 599     [PA_LOG_WARN] = "warning",
 600     [PA_LOG_ERROR] = "error"
 601 };
 602
 603 char *pa_daemon_conf_dump(pa_daemon_conf *c) {
 604     pa_strbuf *s;
 605     char cm[PA_CHANNEL_MAP_SNPRINT_MAX];
 606
 607     pa_assert(c);
 608
 609     s = pa_strbuf_new();
 610
 611     if (c->config_file)
 612         pa_strbuf_printf(s, _("### Read from configuration file: %s ###\n"), c->config_file);
 613
 614     pa_assert(c->log_level < PA_LOG_LEVEL_MAX);
 615
 616     pa_strbuf_printf(s, "daemonize = %s\n", pa_yes_no(c->daemonize));
 617     pa_strbuf_printf(s, "fail = %s\n", pa_yes_no(c->fail));
 618     pa_strbuf_printf(s, "high-priority = %s\n", pa_yes_no(c->high_priority));
 619     pa_strbuf_printf(s, "nice-level = %i\n", c->nice_level);
 620     pa_strbuf_printf(s, "realtime-scheduling = %s\n", pa_yes_no(c->realtime_scheduling));
 621     pa_strbuf_printf(s, "realtime-priority = %i\n", c->realtime_priority);
 622     pa_strbuf_printf(s, "disallow-module-loading = %s\n", pa_yes_no(c->disallow_module_loading));
 623     pa_strbuf_printf(s, "disallow-exit = %s\n", pa_yes_no(c->disallow_exit));
 624     pa_strbuf_printf(s, "use-pid-file = %s\n", pa_yes_no(c->use_pid_file));
 625     pa_strbuf_printf(s, "system-instance = %s\n", pa_yes_no(c->system_instance));
 626     pa_strbuf_printf(s, "no-cpu-limit = %s\n", pa_yes_no(c->no_cpu_limit));
 627     pa_strbuf_printf(s, "disable-shm = %s\n", pa_yes_no(c->disable_shm));
 628     pa_strbuf_printf(s, "flat-volumes = %s\n", pa_yes_no(c->flat_volumes));
 629     pa_strbuf_printf(s, "exit-idle-time = %i\n", c->exit_idle_time);
 630     pa_strbuf_printf(s, "scache-idle-time = %i\n", c->scache_idle_time);
 631     pa_strbuf_printf(s, "dl-search-path = %s\n", pa_strempty(c->dl_search_path));
 632     pa_strbuf_printf(s, "default-script-file = %s\n", pa_strempty(pa_daemon_conf_get_default_script_file(c)));
 633     pa_strbuf_printf(s, "load-default-script-file = %s\n", pa_yes_no(c->load_default_script_file));
 634     pa_strbuf_printf(s, "log-target = %s\n", c->auto_log_target ? "auto" : (c->log_target == PA_LOG_SYSLOG ? "syslog" : "stderr"));
 635     pa_strbuf_printf(s, "log-level = %s\n", log_level_to_string[c->log_level]);
 636     pa_strbuf_printf(s, "resample-method = %s\n", pa_resample_method_to_string(c->resample_method));
 637     pa_strbuf_printf(s, "disable-remixing = %s\n", pa_yes_no(c->disable_remixing));
 638     pa_strbuf_printf(s, "disable-lfe-remixing = %s\n", pa_yes_no(c->disable_lfe_remixing));
 639     pa_strbuf_printf(s, "default-sample-format = %s\n", pa_sample_format_to_string(c->default_sample_spec.format));
 640     pa_strbuf_printf(s, "default-sample-rate = %u\n", c->default_sample_spec.rate);
 641     pa_strbuf_printf(s, "default-sample-channels = %u\n", c->default_sample_spec.channels);
 642     pa_strbuf_printf(s, "default-channel-map = %s\n", pa_channel_map_snprint(cm, sizeof(cm), &c->default_channel_map));
 643     pa_strbuf_printf(s, "default-fragments = %u\n", c->default_n_fragments);
 644     pa_strbuf_printf(s, "default-fragment-size-msec = %u\n", c->default_fragment_size_msec);
 645     pa_strbuf_printf(s, "shm-size-bytes = %lu\n", (unsigned long) c->shm_size);
 646     pa_strbuf_printf(s, "log-meta = %s\n", pa_yes_no(c->log_meta));
 647     pa_strbuf_printf(s, "log-time = %s\n", pa_yes_no(c->log_time));
 648     pa_strbuf_printf(s, "log-backtrace = %u\n", c->log_backtrace);
 649 #ifdef HAVE_SYS_RESOURCE_H
 650     pa_strbuf_printf(s, "rlimit-fsize = %li\n", c->rlimit_fsize.is_set ? (long int) c->rlimit_fsize.value : -1);
 651     pa_strbuf_printf(s, "rlimit-data = %li\n", c->rlimit_data.is_set ? (long int) c->rlimit_data.value : -1);
 652     pa_strbuf_printf(s, "rlimit-stack = %li\n", c->rlimit_stack.is_set ? (long int) c->rlimit_stack.value : -1);
 653     pa_strbuf_printf(s, "rlimit-core = %li\n", c->rlimit_core.is_set ? (long int) c->rlimit_core.value : -1);
 654     pa_strbuf_printf(s, "rlimit-rss = %li\n", c->rlimit_rss.is_set ? (long int) c->rlimit_rss.value : -1);
 655 #ifdef RLIMIT_AS
 656     pa_strbuf_printf(s, "rlimit-as = %li\n", c->rlimit_as.is_set ? (long int) c->rlimit_as.value : -1);
 657 #endif
 658 #ifdef RLIMIT_NPROC
 659     pa_strbuf_printf(s, "rlimit-nproc = %li\n", c->rlimit_nproc.is_set ? (long int) c->rlimit_nproc.value : -1);
 660 #endif
 661 #ifdef RLIMIT_NOFILE
 662     pa_strbuf_printf(s, "rlimit-nofile = %li\n", c->rlimit_nofile.is_set ? (long int) c->rlimit_nofile.value : -1);
 663 #endif
 664 #ifdef RLIMIT_MEMLOCK
 665     pa_strbuf_printf(s, "rlimit-memlock = %li\n", c->rlimit_memlock.is_set ? (long int) c->rlimit_memlock.value : -1);
 666 #endif
 667 #ifdef RLIMIT_LOCKS
 668     pa_strbuf_printf(s, "rlimit-locks = %li\n", c->rlimit_locks.is_set ? (long int) c->rlimit_locks.value : -1);
 669 #endif
 670 #ifdef RLIMIT_SIGPENDING
 671     pa_strbuf_printf(s, "rlimit-sigpending = %li\n", c->rlimit_sigpending.is_set ? (long int) c->rlimit_sigpending.value : -1);
 672 #endif
 673 #ifdef RLIMIT_MSGQUEUE
 674     pa_strbuf_printf(s, "rlimit-msgqueue = %li\n", c->rlimit_msgqueue.is_set ? (long int) c->rlimit_msgqueue.value : -1);
 675 #endif
 676 #ifdef RLIMIT_NICE
 677     pa_strbuf_printf(s, "rlimit-nice = %li\n", c->rlimit_nice.is_set ? (long int) c->rlimit_nice.value : -1);
 678 #endif
 679 #ifdef RLIMIT_RTPRIO
 680     pa_strbuf_printf(s, "rlimit-rtprio = %li\n", c->rlimit_rtprio.is_set ? (long int) c->rlimit_rtprio.value : -1);
 681 #endif
 682 #ifdef RLIMIT_RTTIME
 683     pa_strbuf_printf(s, "rlimit-rttime = %li\n", c->rlimit_rttime.is_set ? (long int) c->rlimit_rttime.value : -1);
 684 #endif
 685 #endif
 686
 687     return pa_strbuf_tostring_free(s);
 688 }