PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#include <stddef.h>
#include <ltdl.h>
#include <limits.h>
-#include <fcntl.h>
#include <unistd.h>
#include <locale.h>
#include <sys/types.h>
+#include <sys/stat.h>
-#include <liboil/liboil.h>
-
-#ifdef HAVE_SYS_IOCTL_H
-#include <sys/ioctl.h>
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
#endif
#ifdef HAVE_PWD_H
#include <dbus/dbus.h>
#endif
+#include <pulse/client-conf.h>
+#ifdef HAVE_X11
+#include <pulse/client-conf-x11.h>
+#endif
#include <pulse/mainloop.h>
#include <pulse/mainloop-signal.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
-#include <pulsecore/winsock.h>
+#include <pulsecore/i18n.h>
+#include <pulsecore/lock-autospawn.h>
+#include <pulsecore/socket.h>
#include <pulsecore/core-error.h>
+#include <pulsecore/core-rtclock.h>
+#include <pulsecore/core-scache.h>
#include <pulsecore/core.h>
-#include <pulsecore/memblock.h>
#include <pulsecore/module.h>
#include <pulsecore/cli-command.h>
#include <pulsecore/log.h>
#include <pulsecore/sioman.h>
#include <pulsecore/cli-text.h>
#include <pulsecore/pid.h>
-#include <pulsecore/namereg.h>
#include <pulsecore/random.h>
-#include <pulsecore/rtsig.h>
-#include <pulsecore/rtclock.h>
#include <pulsecore/macro.h>
-#include <pulsecore/mutex.h>
-#include <pulsecore/thread.h>
-#include <pulsecore/once.h>
#include <pulsecore/shm.h>
+#include <pulsecore/memtrap.h>
+#include <pulsecore/strlist.h>
+#ifdef HAVE_DBUS
+#include <pulsecore/dbus-shared.h>
+#endif
+#include <pulsecore/cpu-arm.h>
+#include <pulsecore/cpu-x86.h>
+#include <pulsecore/cpu-orc.h>
#include "cmdline.h"
#include "cpulimit.h"
#include "dumpmodules.h"
#include "caps.h"
#include "ltdl-bind-now.h"
-#include "polkit.h"
-
-#define AUTOSPAWN_LOCK "autospawn.lock"
+#include "server-lookup.h"
#ifdef HAVE_LIBWRAP
/* Only one instance of these variables */
int deny_severity = LOG_WARNING;
#endif
-#ifdef HAVE_OSS
+#ifdef HAVE_OSS_WRAPPER
/* padsp looks for this symbol in the running process and disables
* itself if it finds it and it is set to 7 (which is actually a bit
* mask). For details see padsp. */
#ifdef OS_IS_WIN32
-static void message_cb(pa_mainloop_api*a, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
+static void message_cb(pa_mainloop_api*a, pa_time_event*e, const struct timeval *tv, void *userdata) {
MSG msg;
struct timeval tvnext;
#endif
-static void signal_callback(pa_mainloop_api*m, PA_GCC_UNUSED pa_signal_event *e, int sig, void *userdata) {
- pa_log_info("Got signal %s.", pa_sig2str(sig));
+static void signal_callback(pa_mainloop_api*m, pa_signal_event *e, int sig, void *userdata) {
+ pa_log_info(_("Got signal %s."), pa_sig2str(sig));
switch (sig) {
#ifdef SIGUSR1
case SIGINT:
case SIGTERM:
default:
- pa_log_info("Exiting.");
+ pa_log_info(_("Exiting."));
m->quit(m, 1);
break;
}
* afterwards. */
if (!(pw = getpwnam(PA_SYSTEM_USER))) {
- pa_log("Failed to find user '%s'.", PA_SYSTEM_USER);
+ pa_log(_("Failed to find user '%s'."), PA_SYSTEM_USER);
return -1;
}
if (!(gr = getgrnam(PA_SYSTEM_GROUP))) {
- pa_log("Failed to find group '%s'.", PA_SYSTEM_GROUP);
+ pa_log(_("Failed to find group '%s'."), PA_SYSTEM_GROUP);
return -1;
}
- pa_log_info("Found user '%s' (UID %lu) and group '%s' (GID %lu).",
+ pa_log_info(_("Found user '%s' (UID %lu) and group '%s' (GID %lu)."),
PA_SYSTEM_USER, (unsigned long) pw->pw_uid,
PA_SYSTEM_GROUP, (unsigned long) gr->gr_gid);
if (pw->pw_gid != gr->gr_gid) {
- pa_log("GID of user '%s' and of group '%s' don't match.", PA_SYSTEM_USER, PA_SYSTEM_GROUP);
+ pa_log(_("GID of user '%s' and of group '%s' don't match."), PA_SYSTEM_USER, PA_SYSTEM_GROUP);
return -1;
}
- if (strcmp(pw->pw_dir, PA_SYSTEM_RUNTIME_PATH) != 0)
- pa_log_warn("Warning: home directory of user '%s' is not '%s', ignoring.", PA_SYSTEM_USER, PA_SYSTEM_RUNTIME_PATH);
+ if (!pa_streq(pw->pw_dir, PA_SYSTEM_RUNTIME_PATH))
+ pa_log_warn(_("Home directory of user '%s' is not '%s', ignoring."), PA_SYSTEM_USER, PA_SYSTEM_RUNTIME_PATH);
- if (pa_make_secure_dir(PA_SYSTEM_RUNTIME_PATH, 0755, pw->pw_uid, gr->gr_gid) < 0) {
- pa_log("Failed to create '%s': %s", PA_SYSTEM_RUNTIME_PATH, pa_cstrerror(errno));
+ if (pa_make_secure_dir(PA_SYSTEM_RUNTIME_PATH, 0755, pw->pw_uid, gr->gr_gid, true) < 0) {
+ pa_log(_("Failed to create '%s': %s"), PA_SYSTEM_RUNTIME_PATH, pa_cstrerror(errno));
return -1;
}
- if (pa_make_secure_dir(PA_SYSTEM_STATE_PATH, 0700, pw->pw_uid, gr->gr_gid) < 0) {
- pa_log("Failed to create '%s': %s", PA_SYSTEM_STATE_PATH, pa_cstrerror(errno));
+ if (pa_make_secure_dir(PA_SYSTEM_STATE_PATH, 0700, pw->pw_uid, gr->gr_gid, true) < 0) {
+ pa_log(_("Failed to create '%s': %s"), PA_SYSTEM_STATE_PATH, pa_cstrerror(errno));
return -1;
}
/* We don't create the config dir here, because we don't need to write to it */
if (initgroups(PA_SYSTEM_USER, gr->gr_gid) != 0) {
- pa_log("Failed to change group list: %s", pa_cstrerror(errno));
+ pa_log(_("Failed to change group list: %s"), pa_cstrerror(errno));
return -1;
}
#elif defined(HAVE_SETREGID)
r = setregid(gr->gr_gid, gr->gr_gid);
#else
-#error "No API to drop priviliges"
+#error "No API to drop privileges"
#endif
if (r < 0) {
- pa_log("Failed to change GID: %s", pa_cstrerror(errno));
+ pa_log(_("Failed to change GID: %s"), pa_cstrerror(errno));
return -1;
}
#elif defined(HAVE_SETREUID)
r = setreuid(pw->pw_uid, pw->pw_uid);
#else
-#error "No API to drop priviliges"
+#error "No API to drop privileges"
#endif
if (r < 0) {
- pa_log("Failed to change UID: %s", pa_cstrerror(errno));
+ pa_log(_("Failed to change UID: %s"), pa_cstrerror(errno));
return -1;
}
+ pa_drop_caps();
+
pa_set_env("USER", PA_SYSTEM_USER);
pa_set_env("USERNAME", PA_SYSTEM_USER);
pa_set_env("LOGNAME", PA_SYSTEM_USER);
pa_set_env("HOME", PA_SYSTEM_RUNTIME_PATH);
/* Relevant for pa_runtime_path() */
- pa_set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH);
- pa_set_env("PULSE_CONFIG_PATH", PA_SYSTEM_CONFIG_PATH);
- pa_set_env("PULSE_STATE_PATH", PA_SYSTEM_STATE_PATH);
+ if (!getenv("PULSE_RUNTIME_PATH"))
+ pa_set_env("PULSE_RUNTIME_PATH", PA_SYSTEM_RUNTIME_PATH);
+
+ if (!getenv("PULSE_CONFIG_PATH"))
+ pa_set_env("PULSE_CONFIG_PATH", PA_SYSTEM_CONFIG_PATH);
- pa_log_info("Successfully dropped root privileges.");
+ if (!getenv("PULSE_STATE_PATH"))
+ pa_set_env("PULSE_STATE_PATH", PA_SYSTEM_STATE_PATH);
+
+ pa_log_info(_("Successfully changed user to \"" PA_SYSTEM_USER "\"."));
return 0;
}
#else /* HAVE_PWD_H && HAVE_GRP_H */
static int change_user(void) {
- pa_log("System wide mode unsupported on this platform.");
+ pa_log(_("System wide mode unsupported on this platform."));
return -1;
}
rl.rlim_cur = rl.rlim_max = r->value;
if (setrlimit(resource, &rl) < 0) {
- pa_log_info("setrlimit(%s, (%u, %u)) failed: %s", name, (unsigned) r->value, (unsigned) r->value, pa_cstrerror(errno));
+ pa_log_info(_("setrlimit(%s, (%u, %u)) failed: %s"), name, (unsigned) r->value, (unsigned) r->value, pa_cstrerror(errno));
return -1;
}
set_one_rlimit(&conf->rlimit_data, RLIMIT_DATA, "RLIMIT_DATA");
set_one_rlimit(&conf->rlimit_stack, RLIMIT_STACK, "RLIMIT_STACK");
set_one_rlimit(&conf->rlimit_core, RLIMIT_CORE, "RLIMIT_CORE");
+#ifdef RLIMIT_RSS
set_one_rlimit(&conf->rlimit_rss, RLIMIT_RSS, "RLIMIT_RSS");
+#endif
#ifdef RLIMIT_NPROC
set_one_rlimit(&conf->rlimit_nproc, RLIMIT_NPROC, "RLIMIT_NPROC");
#endif
+#ifdef RLIMIT_NOFILE
set_one_rlimit(&conf->rlimit_nofile, RLIMIT_NOFILE, "RLIMIT_NOFILE");
+#endif
#ifdef RLIMIT_MEMLOCK
set_one_rlimit(&conf->rlimit_memlock, RLIMIT_MEMLOCK, "RLIMIT_MEMLOCK");
#endif
+#ifdef RLIMIT_AS
set_one_rlimit(&conf->rlimit_as, RLIMIT_AS, "RLIMIT_AS");
+#endif
#ifdef RLIMIT_LOCKS
set_one_rlimit(&conf->rlimit_locks, RLIMIT_LOCKS, "RLIMIT_LOCKS");
#endif
}
#endif
+static char *check_configured_address(void) {
+ char *default_server = NULL;
+ pa_client_conf *c = pa_client_conf_new();
+
+ pa_client_conf_load(c);
+#ifdef HAVE_X11
+ pa_client_conf_from_x11(c);
+#endif
+ pa_client_conf_env(c);
+
+ if (c->default_server && *c->default_server)
+ default_server = pa_xstrdup(c->default_server);
+
+ pa_client_conf_free(c);
+
+ return default_server;
+}
+
+#ifdef HAVE_DBUS
+static pa_dbus_connection *register_dbus_name(pa_core *c, DBusBusType bus, const char* name) {
+ DBusError error;
+ pa_dbus_connection *conn;
+
+ dbus_error_init(&error);
+
+ if (!(conn = pa_dbus_bus_get(c, bus, &error)) || dbus_error_is_set(&error)) {
+ pa_log_warn("Unable to contact D-Bus: %s: %s", error.name, error.message);
+ goto fail;
+ }
+
+ if (dbus_bus_request_name(pa_dbus_connection_get(conn), name, DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+ pa_log_debug("Got %s!", name);
+ return conn;
+ }
+
+ if (dbus_error_is_set(&error))
+ pa_log_error("Failed to acquire %s: %s: %s", name, error.name, error.message);
+ else
+ pa_log_error("D-Bus name %s already taken.", name);
+
+ /* PA cannot be started twice by the same user and hence we can
+ * ignore mostly the case that a name is already taken. */
+
+fail:
+ if (conn)
+ pa_dbus_connection_unref(conn);
+
+ dbus_error_free(&error);
+ return NULL;
+}
+#endif
+
int main(int argc, char *argv[]) {
pa_core *c = NULL;
pa_strbuf *buf = NULL;
pa_daemon_conf *conf = NULL;
pa_mainloop *mainloop = NULL;
char *s;
+ char *configured_address;
int r = 0, retval = 1, d = 0;
- pa_bool_t suid_root, real_root;
- pa_bool_t valid_pid_file = FALSE;
- gid_t gid = (gid_t) -1;
- pa_bool_t ltdl_init = FALSE;
+ bool valid_pid_file = false;
+ bool ltdl_init = false;
int passed_fd = -1;
const char *e;
#ifdef HAVE_FORK
int daemon_pipe[2] = { -1, -1 };
+ int daemon_pipe2[2] = { -1, -1 };
#endif
#ifdef OS_IS_WIN32
pa_time_event *win32_timer;
struct timeval win32_tv;
#endif
- char *lf = NULL;
- int autospawn_lock_fd = -1;
+ int autospawn_fd = -1;
+ bool autospawn_locked = false;
+#ifdef HAVE_DBUS
+ pa_dbusobj_server_lookup *server_lookup = NULL; /* /org/pulseaudio/server_lookup */
+ pa_dbus_connection *lookup_service_bus = NULL; /* Always the user bus. */
+ pa_dbus_connection *server_bus = NULL; /* The bus where we reserve org.pulseaudio.Server, either the user or the system bus. */
+ bool start_server;
+#endif
+
+ pa_log_set_ident("pulseaudio");
+ pa_log_set_level(PA_LOG_NOTICE);
+ pa_log_set_flags(PA_LOG_COLORS|PA_LOG_PRINT_FILE|PA_LOG_PRINT_LEVEL, PA_LOG_RESET);
#if defined(__linux__) && defined(__OPTIMIZE__)
/*
Disable lazy relocations to make usage of external libraries
more deterministic for our RT threads. We abuse __OPTIMIZE__ as
- a check whether we are a debug build or not.
+ a check whether we are a debug build or not. This all is
+ admittedly a bit snake-oilish.
*/
if (!getenv("LD_BIND_NOW")) {
char *rp;
+ char *canonical_rp;
/* We have to execute ourselves, because the libc caches the
* value of $LD_BIND_NOW on initialization. */
pa_set_env("LD_BIND_NOW", "1");
- pa_assert_se(rp = pa_readlink("/proc/self/exe"));
- pa_assert_se(execv(rp, argv) == 0);
- }
-#endif
-#ifdef HAVE_GETUID
- real_root = getuid() == 0;
- suid_root = !real_root && geteuid() == 0;
-#else
- real_root = FALSE;
- suid_root = FALSE;
-#endif
+ if ((canonical_rp = pa_realpath(PA_BINARY))) {
- if (!real_root) {
- /* Drop all capabilities except CAP_SYS_NICE */
- pa_limit_caps();
+ if ((rp = pa_readlink("/proc/self/exe"))) {
- /* Drop priviliges, but keep CAP_SYS_NICE */
- pa_drop_root();
+ if (pa_streq(rp, canonical_rp))
+ pa_assert_se(execv(rp, argv) == 0);
+ else
+ pa_log_warn("/proc/self/exe does not point to %s, cannot self execute. Are you playing games?", canonical_rp);
- /* After dropping root, the effective set is reset, hence,
- * let's raise it again */
- pa_limit_caps();
+ pa_xfree(rp);
- /* When capabilities are not supported we will not be able to
- * aquire RT sched anymore. But yes, that's the way it is. It
- * is just too risky tun let PA run as root all the time. */
+ } else
+ pa_log_warn("Couldn't read /proc/self/exe, cannot self execute. Running in a chroot()?");
+
+ pa_xfree(canonical_rp);
+
+ } else
+ pa_log_warn("Couldn't canonicalize binary path, cannot self execute.");
}
+#endif
if ((e = getenv("PULSE_PASSED_FD"))) {
passed_fd = atoi(e);
passed_fd = -1;
}
- pa_close_all(passed_fd, -1);
+ /* We might be autospawned, in which case have no idea in which
+ * context we have been started. Let's cleanup our execution
+ * context as good as possible */
+ pa_reset_personality();
+ pa_drop_root();
+ pa_close_all(passed_fd, -1);
pa_reset_sigs(-1);
pa_unblock_sigs(-1);
-
- /* At this point, we are a normal user, possibly with CAP_NICE if
- * we were started SUID. If we are started as normal root, than we
- * still are normal root. */
+ pa_reset_priority();
setlocale(LC_ALL, "");
- pa_log_set_maximal_level(PA_LOG_INFO);
- pa_log_set_ident("pulseaudio");
+ pa_init_i18n();
conf = pa_daemon_conf_new();
goto finish;
if (pa_cmdline_parse(conf, argc, argv, &d) < 0) {
- pa_log("Failed to parse command line.");
+ pa_log(_("Failed to parse command line."));
goto finish;
}
- pa_log_set_maximal_level(conf->log_level);
- pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target, NULL);
-
- pa_log_debug("Started as real root: %s, suid root: %s", pa_yes_no(real_root), pa_yes_no(suid_root));
-
- if (!real_root && pa_have_caps()) {
- pa_bool_t allow_high_priority = FALSE, allow_realtime = FALSE;
-
- /* Let's better not enable high prio or RT by default */
-
- if (conf->high_priority && !allow_high_priority) {
- if (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) > 0) {
- pa_log_info("We're in the group '"PA_REALTIME_GROUP"', allowing high-priority scheduling.");
- allow_high_priority = TRUE;
- }
- }
-
- if (conf->realtime_scheduling && !allow_realtime) {
- if (pa_own_uid_in_group(PA_REALTIME_GROUP, &gid) > 0) {
- pa_log_info("We're in the group '"PA_REALTIME_GROUP"', allowing real-time scheduling.");
- allow_realtime = TRUE;
- }
- }
-
-#ifdef HAVE_POLKIT
- if (conf->high_priority && !allow_high_priority) {
- if (pa_polkit_check("org.pulseaudio.acquire-high-priority") > 0) {
- pa_log_info("PolicyKit grants us acquire-high-priority privilege.");
- allow_high_priority = TRUE;
- } else
- pa_log_info("PolicyKit refuses acquire-high-priority privilege.");
- }
-
- if (conf->realtime_scheduling && !allow_realtime) {
- if (pa_polkit_check("org.pulseaudio.acquire-real-time") > 0) {
- pa_log_info("PolicyKit grants us acquire-real-time privilege.");
- allow_realtime = TRUE;
- } else
- pa_log_info("PolicyKit refuses acquire-real-time privilege.");
- }
-#endif
-
- if (!allow_high_priority && !allow_realtime) {
-
- /* OK, there's no further need to keep CAP_NICE. Hence
- * let's give it up early */
-
- pa_drop_caps();
-
- if (conf->high_priority || conf->realtime_scheduling)
- pa_log_notice("Called SUID root and real-time/high-priority scheduling was requested in the configuration. However, we lack the necessary priviliges:\n"
- "We are not in group '"PA_REALTIME_GROUP"' and PolicyKit refuse to grant us priviliges. Dropping SUID again.\n"
- "For enabling real-time scheduling please acquire the appropriate PolicyKit priviliges, or become a member of '"PA_REALTIME_GROUP"', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.");
- }
+ if (conf->log_target)
+ pa_log_set_target(conf->log_target);
+ else {
+ pa_log_target target = { .type = PA_LOG_STDERR, .file = NULL };
+ pa_log_set_target(&target);
}
-#ifdef HAVE_SYS_RESOURCE_H
- /* Reset resource limits. If we are run as root (for system mode)
- * this might end up increasing the limits, which is intended
- * behaviour. For all other cases, i.e. started as normal user, or
- * SUID root at this point we should have no CAP_SYS_RESOURCE and
- * increasing the limits thus should fail. Which is, too, intended
- * behaviour */
-
- set_all_rlimits(conf);
-#endif
-
- if (conf->high_priority && !pa_can_high_priority())
- pa_log_warn("High-priority scheduling enabled in configuration but not allowed by policy.");
-
- if (conf->high_priority && (conf->cmd == PA_CMD_DAEMON || conf->cmd == PA_CMD_START))
- pa_raise_priority(conf->nice_level);
-
- if (!real_root && pa_have_caps()) {
- pa_bool_t drop;
-
- drop = (conf->cmd != PA_CMD_DAEMON && conf->cmd != PA_CMD_START) || !conf->realtime_scheduling;
-
-#ifdef RLIMIT_RTPRIO
- if (!drop) {
- struct rlimit rl;
- /* At this point we still have CAP_NICE if we were loaded
- * SUID root. If possible let's acquire RLIMIT_RTPRIO
- * instead and give CAP_NICE up. */
-
- if (getrlimit(RLIMIT_RTPRIO, &rl) >= 0) {
-
- if (rl.rlim_cur >= 9)
- drop = TRUE;
- else {
- rl.rlim_max = rl.rlim_cur = 9;
-
- if (setrlimit(RLIMIT_RTPRIO, &rl) >= 0) {
- pa_log_info("Successfully increased RLIMIT_RTPRIO");
- drop = TRUE;
- } else
- pa_log_warn("RLIMIT_RTPRIO failed: %s", pa_cstrerror(errno));
- }
- }
- }
-#endif
+ pa_log_set_level(conf->log_level);
+ if (conf->log_meta)
+ pa_log_set_flags(PA_LOG_PRINT_META, PA_LOG_SET);
+ if (conf->log_time)
+ pa_log_set_flags(PA_LOG_PRINT_TIME, PA_LOG_SET);
+ pa_log_set_show_backtrace(conf->log_backtrace);
- if (drop) {
- pa_log_info("Giving up CAP_NICE");
- pa_drop_caps();
- suid_root = FALSE;
- }
+#ifdef HAVE_DBUS
+ /* conf->system_instance and conf->local_server_type control almost the
+ * same thing; make them agree about what is requested. */
+ switch (conf->local_server_type) {
+ case PA_SERVER_TYPE_UNSET:
+ conf->local_server_type = conf->system_instance ? PA_SERVER_TYPE_SYSTEM : PA_SERVER_TYPE_USER;
+ break;
+ case PA_SERVER_TYPE_USER:
+ case PA_SERVER_TYPE_NONE:
+ conf->system_instance = false;
+ break;
+ case PA_SERVER_TYPE_SYSTEM:
+ conf->system_instance = true;
+ break;
+ default:
+ pa_assert_not_reached();
}
- if (conf->realtime_scheduling && !pa_can_realtime())
- pa_log_warn("Real-time scheduling enabled in configuration but not allowed by policy.");
+ start_server = conf->local_server_type == PA_SERVER_TYPE_USER || (getuid() == 0 && conf->local_server_type == PA_SERVER_TYPE_SYSTEM);
- pa_log_debug("Can realtime: %s, can high-priority: %s", pa_yes_no(pa_can_realtime()), pa_yes_no(pa_can_high_priority()));
+ if (!start_server && conf->local_server_type == PA_SERVER_TYPE_SYSTEM) {
+ pa_log_notice(_("System mode refused for non-root user. Only starting the D-Bus server lookup service."));
+ conf->system_instance = false;
+ }
+#endif
LTDL_SET_PRELOADED_SYMBOLS();
pa_ltdl_init();
- ltdl_init = TRUE;
+ ltdl_init = true;
if (conf->dl_search_path)
lt_dlsetsearchpath(conf->dl_search_path);
goto finish;
case PA_CMD_DUMP_CONF: {
+
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
s = pa_daemon_conf_dump(conf);
fputs(s, stdout);
pa_xfree(s);
case PA_CMD_DUMP_RESAMPLE_METHODS: {
int i;
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
for (i = 0; i < PA_RESAMPLER_MAX; i++)
if (pa_resample_method_supported(i))
printf("%s\n", pa_resample_method_to_string(i));
+ retval = 0;
goto finish;
}
goto finish;
case PA_CMD_VERSION :
+
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
printf(PACKAGE_NAME" "PACKAGE_VERSION"\n");
retval = 0;
goto finish;
case PA_CMD_CHECK: {
pid_t pid;
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0)
- pa_log_info("Daemon not running");
+ pa_log_info(_("Daemon not running"));
else {
- pa_log_info("Daemon running as PID %u", pid);
+ pa_log_info(_("Daemon running as PID %u"), pid);
retval = 0;
}
}
case PA_CMD_KILL:
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
if (pa_pid_file_kill(SIGINT, NULL, "pulseaudio") < 0)
- pa_log("Failed to kill daemon.");
+ pa_log(_("Failed to kill daemon: %s"), pa_cstrerror(errno));
else
retval = 0;
case PA_CMD_CLEANUP_SHM:
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
if (pa_shm_cleanup() >= 0)
retval = 0;
pa_assert(conf->cmd == PA_CMD_DAEMON || conf->cmd == PA_CMD_START);
}
- if (real_root && !conf->system_instance)
- pa_log_warn("This program is not intended to be run as root (unless --system is specified).");
- else if (!real_root && conf->system_instance) {
- pa_log("Root priviliges required.");
+ if (d < argc) {
+ pa_log("Too many arguments.\n");
+ goto finish;
+ }
+
+#ifdef HAVE_GETUID
+ if (getuid() == 0 && !conf->system_instance)
+ pa_log_warn(_("This program is not intended to be run as root (unless --system is specified)."));
+#ifndef HAVE_DBUS /* A similar, only a notice worthy check was done earlier, if D-Bus is enabled. */
+ else if (getuid() != 0 && conf->system_instance) {
+ pa_log(_("Root privileges required."));
goto finish;
}
+#endif
+#endif /* HAVE_GETUID */
if (conf->cmd == PA_CMD_START && conf->system_instance) {
- pa_log("--start not supported for system instances.");
+ pa_log(_("--start not supported for system instances."));
goto finish;
}
+ if (conf->cmd == PA_CMD_START && (configured_address = check_configured_address())) {
+ /* There is an server address in our config, but where did it come from?
+ * By default a standard X11 login will load module-x11-publish which will
+ * inject PULSE_SERVER X11 property. If the PA daemon crashes, we will end
+ * up hitting this code path. So we have to check to see if our configured_address
+ * is the same as the value that would go into this property so that we can
+ * recover (i.e. autospawn) from a crash.
+ */
+ char *ufn;
+ bool start_anyway = false;
+
+ if ((ufn = pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET))) {
+ char *id;
+
+ if ((id = pa_machine_id())) {
+ pa_strlist *server_list;
+ char formatted_ufn[256];
+
+ pa_snprintf(formatted_ufn, sizeof(formatted_ufn), "{%s}unix:%s", id, ufn);
+ pa_xfree(id);
+
+ if ((server_list = pa_strlist_parse(configured_address))) {
+ char *u = NULL;
+
+ /* We only need to check the first server */
+ server_list = pa_strlist_pop(server_list, &u);
+ pa_strlist_free(server_list);
+
+ start_anyway = (u && pa_streq(formatted_ufn, u));
+ pa_xfree(u);
+ }
+ }
+ pa_xfree(ufn);
+ }
+
+ if (!start_anyway) {
+ pa_log_notice(_("User-configured server at %s, refusing to start/autospawn."), configured_address);
+ pa_xfree(configured_address);
+ retval = 0;
+ goto finish;
+ }
+
+ pa_log_notice(_("User-configured server at %s, which appears to be local. Probing deeper."), configured_address);
+ pa_xfree(configured_address);
+ }
+
+ if (conf->system_instance && !conf->disallow_exit)
+ pa_log_warn(_("Running in system mode, but --disallow-exit not set!"));
+
+ if (conf->system_instance && !conf->disallow_module_loading)
+ pa_log_warn(_("Running in system mode, but --disallow-module-loading not set!"));
+
+ if (conf->system_instance && !conf->disable_shm) {
+ pa_log_notice(_("Running in system mode, forcibly disabling SHM mode!"));
+ conf->disable_shm = true;
+ }
+
+ if (conf->system_instance && conf->exit_idle_time >= 0) {
+ pa_log_notice(_("Running in system mode, forcibly disabling exit idle time!"));
+ conf->exit_idle_time = -1;
+ }
+
if (conf->cmd == PA_CMD_START) {
/* If we shall start PA only when it is not running yet, we
* first take the autospawn lock to make things
* synchronous. */
- lf = pa_runtime_path(AUTOSPAWN_LOCK);
- autospawn_lock_fd = pa_lock_lockfile(lf);
+ if ((autospawn_fd = pa_autospawn_lock_init()) < 0) {
+ pa_log("Failed to initialize autospawn lock");
+ goto finish;
+ }
+
+ if ((pa_autospawn_lock_acquire(true) < 0)) {
+ pa_log("Failed to acquire autospawn lock");
+ goto finish;
+ }
+
+ autospawn_locked = true;
}
if (conf->daemonize) {
+#ifdef HAVE_FORK
pid_t child;
- int tty_fd;
+#endif
if (pa_stdio_acquire() < 0) {
- pa_log("Failed to acquire stdio.");
+ pa_log(_("Failed to acquire stdio."));
goto finish;
}
#ifdef HAVE_FORK
if (pipe(daemon_pipe) < 0) {
- pa_log("pipe failed: %s", pa_cstrerror(errno));
+ pa_log(_("pipe() failed: %s"), pa_cstrerror(errno));
goto finish;
}
if ((child = fork()) < 0) {
- pa_log("fork() failed: %s", pa_cstrerror(errno));
+ pa_log(_("fork() failed: %s"), pa_cstrerror(errno));
+ pa_close_pipe(daemon_pipe);
goto finish;
}
if ((n = pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL)) != sizeof(retval)) {
if (n < 0)
- pa_log("read() failed: %s", pa_cstrerror(errno));
+ pa_log(_("read() failed: %s"), pa_cstrerror(errno));
retval = 1;
}
if (retval)
- pa_log("Daemon startup failed.");
+ pa_log(_("Daemon startup failed."));
else
- pa_log_info("Daemon startup successful.");
+ pa_log_info(_("Daemon startup successful."));
goto finish;
}
- if (autospawn_lock_fd >= 0) {
+ if (autospawn_fd >= 0) {
/* The lock file is unlocked from the parent, so we need
* to close it in the child */
- pa_close(autospawn_lock_fd);
- autospawn_lock_fd = -1;
+ pa_autospawn_lock_release();
+ pa_autospawn_lock_done(true);
+
+ autospawn_locked = false;
+ autospawn_fd = -1;
}
pa_assert_se(pa_close(daemon_pipe[0]) == 0);
daemon_pipe[0] = -1;
#endif
- if (conf->auto_log_target)
- pa_log_set_target(PA_LOG_SYSLOG, NULL);
+ if (!conf->log_target) {
+#ifdef HAVE_JOURNAL
+ pa_log_target target = { .type = PA_LOG_JOURNAL, .file = NULL };
+#else
+ pa_log_target target = { .type = PA_LOG_SYSLOG, .file = NULL };
+#endif
+ pa_log_set_target(&target);
+ }
#ifdef HAVE_SETSID
- setsid();
-#endif
-#ifdef HAVE_SETPGID
- setpgid(0,0);
+ if (setsid() < 0) {
+ pa_log(_("setsid() failed: %s"), pa_cstrerror(errno));
+ goto finish;
+ }
#endif
-#ifndef OS_IS_WIN32
- pa_close(0);
- pa_close(1);
- pa_close(2);
+#ifdef HAVE_FORK
+ /* We now are a session and process group leader. Let's fork
+ * again and let the father die, so that we'll become a
+ * process that can never acquire a TTY again, in a session and
+ * process group without leader */
- pa_assert_se(open("/dev/null", O_RDONLY) == 0);
- pa_assert_se(open("/dev/null", O_WRONLY) == 1);
- pa_assert_se(open("/dev/null", O_WRONLY) == 2);
-#else
- FreeConsole();
+ if (pipe(daemon_pipe2) < 0) {
+ pa_log(_("pipe() failed: %s"), pa_cstrerror(errno));
+ goto finish;
+ }
+
+ if ((child = fork()) < 0) {
+ pa_log(_("fork() failed: %s"), pa_cstrerror(errno));
+ pa_close_pipe(daemon_pipe2);
+ goto finish;
+ }
+
+ if (child != 0) {
+ ssize_t n;
+ /* Father */
+
+ pa_assert_se(pa_close(daemon_pipe2[1]) == 0);
+ daemon_pipe2[1] = -1;
+
+ if ((n = pa_loop_read(daemon_pipe2[0], &retval, sizeof(retval), NULL)) != sizeof(retval)) {
+
+ if (n < 0)
+ pa_log(_("read() failed: %s"), pa_cstrerror(errno));
+
+ retval = 1;
+ }
+
+ /* We now have to take care of signalling the first fork with
+ * the return value we've received from this fork... */
+ pa_assert(daemon_pipe[1] >= 0);
+
+ pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
+ pa_close(daemon_pipe[1]);
+ daemon_pipe[1] = -1;
+
+ goto finish;
+ }
+
+ pa_assert_se(pa_close(daemon_pipe2[0]) == 0);
+ daemon_pipe2[0] = -1;
+
+ /* We no longer need the (first) daemon_pipe as it's handled in our child above */
+ pa_close_pipe(daemon_pipe);
#endif
#ifdef SIGTTOU
signal(SIGTSTP, SIG_IGN);
#endif
-#ifdef TIOCNOTTY
- if ((tty_fd = open("/dev/tty", O_RDWR)) >= 0) {
- ioctl(tty_fd, TIOCNOTTY, (char*) 0);
- pa_assert_se(pa_close(tty_fd) == 0);
- }
-#endif
+ pa_nullify_stdfds();
}
- pa_set_env("PULSE_INTERNAL", "1");
+ pa_set_env_and_record("PULSE_INTERNAL", "1");
pa_assert_se(chdir("/") == 0);
umask(0022);
+#ifdef HAVE_SYS_RESOURCE_H
+ set_all_rlimits(conf);
+#endif
+ pa_rtclock_hrtimer_enable();
+
+ if (conf->high_priority)
+ pa_raise_priority(conf->nice_level);
+
if (conf->system_instance)
if (change_user() < 0)
goto finish;
- pa_set_env("PULSE_SYSTEM", conf->system_instance ? "1" : "0");
+ pa_set_env_and_record("PULSE_SYSTEM", conf->system_instance ? "1" : "0");
+
+ pa_log_info(_("This is PulseAudio %s"), PACKAGE_VERSION);
+ pa_log_debug(_("Compilation host: %s"), CANONICAL_HOST);
+ pa_log_debug(_("Compilation CFLAGS: %s"), PA_CFLAGS);
+
+ s = pa_uname_string();
+ pa_log_debug(_("Running on host: %s"), s);
+ pa_xfree(s);
+
+ pa_log_debug(_("Found %u CPUs."), pa_ncpus());
+
+ pa_log_info(_("Page size is %lu bytes"), (unsigned long) PA_PAGE_SIZE);
+
+#ifdef HAVE_VALGRIND_MEMCHECK_H
+ pa_log_debug(_("Compiled with Valgrind support: yes"));
+#else
+ pa_log_debug(_("Compiled with Valgrind support: no"));
+#endif
+
+ pa_log_debug(_("Running in valgrind mode: %s"), pa_yes_no(pa_in_valgrind()));
+
+ pa_log_debug(_("Running in VM: %s"), pa_yes_no(pa_running_in_vm()));
+
+#ifdef __OPTIMIZE__
+ pa_log_debug(_("Optimized build: yes"));
+#else
+ pa_log_debug(_("Optimized build: no"));
+#endif
+
+#ifdef NDEBUG
+ pa_log_debug(_("NDEBUG defined, all asserts disabled."));
+#elif defined(FASTPATH)
+ pa_log_debug(_("FASTPATH defined, only fast path asserts disabled."));
+#else
+ pa_log_debug(_("All asserts enabled."));
+#endif
+
+ if (!(s = pa_machine_id())) {
+ pa_log(_("Failed to get machine ID"));
+ goto finish;
+ }
+ pa_log_info(_("Machine ID is %s."), s);
+ pa_xfree(s);
+
+ if ((s = pa_session_id())) {
+ pa_log_info(_("Session ID is %s."), s);
+ pa_xfree(s);
+ }
- pa_log_info("This is PulseAudio " PACKAGE_VERSION);
- pa_log_info("Page size is %lu bytes", (unsigned long) PA_PAGE_SIZE);
if (!(s = pa_get_runtime_dir()))
goto finish;
- pa_log_info("Using runtime directory %s.", s);
+ pa_log_info(_("Using runtime directory %s."), s);
pa_xfree(s);
+
if (!(s = pa_get_state_dir()))
- pa_log_info("Using state directory %s.", s);
+ goto finish;
+ pa_log_info(_("Using state directory %s."), s);
pa_xfree(s);
- pa_log_info("Running in system mode: %s", pa_yes_no(pa_in_system_mode()));
+ pa_log_info(_("Using modules directory %s."), conf->dl_search_path);
+
+ pa_log_info(_("Running in system mode: %s"), pa_yes_no(pa_in_system_mode()));
+
+ if (pa_in_system_mode())
+ pa_log_warn(_("OK, so you are running PA in system mode. Please note that you most likely shouldn't be doing that.\n"
+ "If you do it nonetheless then it's your own fault if things don't work as expected.\n"
+ "Please read http://pulseaudio.org/wiki/WhatIsWrongWithSystemMode for an explanation why system mode is usually a bad idea."));
if (conf->use_pid_file) {
int z;
goto finish;
}
- pa_log("pa_pid_file_create() failed.");
+ pa_log(_("pa_pid_file_create() failed."));
goto finish;
}
- valid_pid_file = TRUE;
+ valid_pid_file = true;
}
-#ifdef SIGPIPE
- signal(SIGPIPE, SIG_IGN);
-#endif
+ pa_disable_sigpipe();
if (pa_rtclock_hrtimer())
- pa_log_info("Fresh high-resolution timers available! Bon appetit!");
+ pa_log_info(_("Fresh high-resolution timers available! Bon appetit!"));
else
- pa_log_info("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!");
-
-#ifdef SIGRTMIN
- /* Valgrind uses SIGRTMAX. To easy debugging we don't use it here */
- pa_rtsig_configure(SIGRTMIN, SIGRTMAX-1);
+ pa_log_info(_("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!"));
+
+ if (conf->lock_memory) {
+#if defined(HAVE_SYS_MMAN_H) && !defined(__ANDROID__)
+ if (mlockall(MCL_FUTURE) < 0)
+ pa_log_warn("mlockall() failed: %s", pa_cstrerror(errno));
+ else
+ pa_log_info("Successfully locked process into memory.");
+#else
+ pa_log_warn("Memory locking requested but not supported on platform.");
#endif
+ }
+
+ pa_memtrap_install();
pa_assert_se(mainloop = pa_mainloop_new());
- if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm))) {
- pa_log("pa_core_new() failed.");
+ if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm, conf->shm_size))) {
+ pa_log(_("pa_core_new() failed."));
goto finish;
}
c->default_sample_spec = conf->default_sample_spec;
+ c->alternate_sample_rate = conf->alternate_sample_rate;
+ c->default_channel_map = conf->default_channel_map;
c->default_n_fragments = conf->default_n_fragments;
c->default_fragment_size_msec = conf->default_fragment_size_msec;
+ c->deferred_volume_safety_margin_usec = conf->deferred_volume_safety_margin_usec;
+ c->deferred_volume_extra_delay_usec = conf->deferred_volume_extra_delay_usec;
c->exit_idle_time = conf->exit_idle_time;
- c->module_idle_time = conf->module_idle_time;
c->scache_idle_time = conf->scache_idle_time;
c->resample_method = conf->resample_method;
c->realtime_priority = conf->realtime_priority;
c->realtime_scheduling = !!conf->realtime_scheduling;
c->disable_remixing = !!conf->disable_remixing;
+ c->disable_lfe_remixing = !!conf->disable_lfe_remixing;
+ c->deferred_volume = !!conf->deferred_volume;
c->running_as_daemon = !!conf->daemonize;
+ c->disallow_exit = conf->disallow_exit;
+ c->flat_volumes = conf->flat_volumes;
+#ifdef HAVE_DBUS
+ c->server_type = conf->local_server_type;
+#endif
+
+ c->cpu_info.cpu_type = PA_CPU_UNDEFINED;
+ if (!getenv("PULSE_NO_SIMD")) {
+ if (pa_cpu_init_x86(&(c->cpu_info.flags.x86)))
+ c->cpu_info.cpu_type = PA_CPU_X86;
+ if (pa_cpu_init_arm(&(c->cpu_info.flags.arm)))
+ c->cpu_info.cpu_type = PA_CPU_ARM;
+ pa_cpu_init_orc(c->cpu_info);
+ }
pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
pa_signal_new(SIGINT, signal_callback, c);
win32_timer = pa_mainloop_get_api(mainloop)->time_new(pa_mainloop_get_api(mainloop), pa_gettimeofday(&win32_tv), message_cb, NULL);
#endif
- oil_init();
-
if (!conf->no_cpu_limit)
pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop)) == 0);
buf = pa_strbuf_new();
- if (conf->load_default_script_file) {
- FILE *f;
- if ((f = pa_daemon_conf_open_default_script_file(conf))) {
- r = pa_cli_command_execute_file_stream(c, f, buf, &conf->fail);
- fclose(f);
+#ifdef HAVE_DBUS
+ pa_assert_se(dbus_threads_init_default());
+
+ if (start_server) {
+#endif
+ if (conf->load_default_script_file) {
+ FILE *f;
+
+ if ((f = pa_daemon_conf_open_default_script_file(conf))) {
+ r = pa_cli_command_execute_file_stream(c, f, buf, &conf->fail);
+ fclose(f);
+ }
}
- }
- if (r >= 0)
- r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail);
+ if (r >= 0)
+ r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail);
- pa_log_error("%s", s = pa_strbuf_tostring_free(buf));
- pa_xfree(s);
+ pa_log_error("%s", s = pa_strbuf_tostring_free(buf));
+ pa_xfree(s);
+
+ if (r < 0 && conf->fail) {
+ pa_log(_("Failed to initialize daemon."));
+ goto finish;
+ }
+
+ if (!c->modules || pa_idxset_size(c->modules) == 0) {
+ pa_log(_("Daemon startup without any loaded modules, refusing to work."));
+ goto finish;
+ }
+#ifdef HAVE_DBUS
+ } else {
+ /* When we just provide the D-Bus server lookup service, we don't want
+ * any modules to be loaded. We haven't loaded any so far, so one might
+ * think there's no way to contact the server, but receiving certain
+ * signals could still cause modules to load. */
+ conf->disallow_module_loading = true;
+ }
+#endif
/* We completed the initial module loading, so let's disable it
* from now on, if requested */
c->disallow_module_loading = !!conf->disallow_module_loading;
- if (r < 0 && conf->fail) {
- pa_log("Failed to initialize daemon.");
- goto finish;
- }
-
- if (!c->modules || pa_idxset_size(c->modules) == 0) {
- pa_log("Daemon startup without any loaded modules, refusing to work.");
- goto finish;
+#ifdef HAVE_DBUS
+ if (!conf->system_instance) {
+ if ((server_lookup = pa_dbusobj_server_lookup_new(c))) {
+ if (!(lookup_service_bus = register_dbus_name(c, DBUS_BUS_SESSION, "org.PulseAudio1")))
+ goto finish;
+ }
}
- if (c->default_sink_name && !pa_namereg_get(c, c->default_sink_name, PA_NAMEREG_SINK, TRUE) && conf->fail) {
- pa_log_error("Default sink name (%s) does not exist in name register.", c->default_sink_name);
- goto finish;
- }
+ if (start_server)
+ server_bus = register_dbus_name(c, conf->system_instance ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, "org.pulseaudio.Server");
+#endif
#ifdef HAVE_FORK
- if (daemon_pipe[1] >= 0) {
+ if (daemon_pipe2[1] >= 0) {
int ok = 0;
- pa_loop_write(daemon_pipe[1], &ok, sizeof(ok), NULL);
- pa_close(daemon_pipe[1]);
- daemon_pipe[1] = -1;
+ pa_loop_write(daemon_pipe2[1], &ok, sizeof(ok), NULL);
+ pa_close(daemon_pipe2[1]);
+ daemon_pipe2[1] = -1;
}
#endif
- pa_log_info("Daemon startup complete.");
+ pa_log_info(_("Daemon startup complete."));
retval = 0;
if (pa_mainloop_run(mainloop, &retval) < 0)
goto finish;
- pa_log_info("Daemon shutdown initiated.");
+ pa_log_info(_("Daemon shutdown initiated."));
finish:
+#ifdef HAVE_DBUS
+ if (server_bus)
+ pa_dbus_connection_unref(server_bus);
+ if (lookup_service_bus)
+ pa_dbus_connection_unref(lookup_service_bus);
+ if (server_lookup)
+ pa_dbusobj_server_lookup_free(server_lookup);
+#endif
- if (autospawn_lock_fd >= 0)
- pa_unlock_lockfile(lf, autospawn_lock_fd);
+ if (autospawn_fd >= 0) {
+ if (autospawn_locked)
+ pa_autospawn_lock_release();
- if (lf)
- pa_xfree(lf);
+ pa_autospawn_lock_done(false);
+ }
#ifdef OS_IS_WIN32
- if (win32_timer)
+ if (mainloop && win32_timer)
pa_mainloop_get_api(mainloop)->time_free(win32_timer);
#endif
if (c) {
+ /* Ensure all the modules/samples are unloaded when the core is still ref'ed,
+ * as unlink callback hooks in modules may need the core to be ref'ed */
+ pa_module_unload_all(c);
+ pa_scache_free_all(c);
+
pa_core_unref(c);
- pa_log_info("Daemon terminated.");
+ pa_log_info(_("Daemon terminated."));
}
if (!conf->no_cpu_limit)
pa_signal_done();
#ifdef HAVE_FORK
+ /* If we have daemon_pipe[1] still open, this means we've failed after
+ * the first fork, but before the second. Therefore just write to it. */
if (daemon_pipe[1] >= 0)
pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
+ else if (daemon_pipe2[1] >= 0)
+ pa_loop_write(daemon_pipe2[1], &retval, sizeof(retval), NULL);
+ pa_close_pipe(daemon_pipe2);
pa_close_pipe(daemon_pipe);
#endif
if (valid_pid_file)
pa_pid_file_remove();
+ /* This has no real purpose except making things valgrind-clean */
+ pa_unset_env_recorded();
+
#ifdef OS_IS_WIN32
WSACleanup();
#endif