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 <liboil/liboil.h>
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include <pulsecore/thread.h>
#include <pulsecore/once.h>
#include <pulsecore/shm.h>
+#include <pulsecore/memtrap.h>
+#ifdef HAVE_DBUS
+#include <pulsecore/dbus-shared.h>
+#endif
#include "cmdline.h"
#include "cpulimit.h"
#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) {
#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) {
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
+#ifdef HAVE_DBUS
+static pa_dbus_connection *register_dbus(pa_core *c) {
+ DBusError error;
+ pa_dbus_connection *conn;
+
+ dbus_error_init(&error);
+
+ if (!(conn = pa_dbus_bus_get(c, pa_in_system_mode() ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, &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), "org.pulseaudio.Server", DBUS_NAME_FLAG_DO_NOT_QUEUE, &error) == DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
+ pa_log_debug("Got org.pulseaudio.Server!");
+ return conn;
+ }
+
+ if (dbus_error_is_set(&error))
+ pa_log_warn("Failed to acquire org.pulseaudio.Server: %s: %s", error.name, error.message);
+ else
+ pa_log_warn("D-Bus name org.pulseaudio.Server already taken. Weird shit!");
+
+ /* PA cannot be started twice by the same user and hence we can
+ * ignore mostly the case that org.pulseaudio.Server 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_time_event *win32_timer;
struct timeval win32_tv;
#endif
- char *lf = NULL;
int autospawn_fd = -1;
pa_bool_t autospawn_locked = FALSE;
+#ifdef HAVE_DBUS
+ pa_dbus_connection *dbus = NULL;
+#endif
- pa_log_set_maximal_level(PA_LOG_INFO);
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__)
/*
* 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);
+
+ if ((rp = pa_readlink("/proc/self/exe")))
+ pa_assert_se(execv(rp, argv) == 0);
+ else
+ pa_log_warn("Couldn't read /proc/self/exe, cannot self execute. Running in a chroot()?");
}
#endif
/* Drop all capabilities except CAP_SYS_NICE */
pa_limit_caps();
- /* Drop priviliges, but keep CAP_SYS_NICE */
+ /* Drop privileges, but keep CAP_SYS_NICE */
pa_drop_root();
/* After dropping root, the effective set is reset, hence,
pa_limit_caps();
/* When capabilities are not supported we will not be able to
- * aquire RT sched anymore. But yes, that's the way it is. It
+ * acquire 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. */
}
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_set_level(conf->log_level);
+ pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target);
+ 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);
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()) {
+#ifdef HAVE_SYS_RESOURCE_H
+ struct rlimit rl;
+#endif
pa_bool_t allow_high_priority = FALSE, allow_realtime = FALSE;
/* Let's better not enable high prio or RT by default */
* 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."));
}
+
+#ifdef RLIMIT_RTPRIO
+ if (getrlimit(RLIMIT_RTPRIO, &rl) >= 0)
+ if (rl.rlim_cur > 0) {
+ pa_log_info("RLIMIT_RTPRIO is set to %u, allowing real-time scheduling.", (unsigned) rl.rlim_cur);
+ allow_realtime = TRUE;
+ }
+#endif
+#ifdef RLIMIT_NICE
+ if (getrlimit(RLIMIT_NICE, &rl) >= 0)
+ if (rl.rlim_cur > 20 ) {
+ pa_log_info("RLIMIT_NICE is set to %u, allowing high-priority scheduling.", (unsigned) rl.rlim_cur);
+ allow_high_priority = TRUE;
+ }
+#endif
+
+ if ((conf->high_priority && !allow_high_priority) ||
+ (conf->realtime_scheduling && !allow_realtime))
+ pa_log_info(_("Called SUID root and real-time and/or high-priority scheduling was requested in the configuration. However, we lack the necessary privileges:\n"
+ "We are not in group '%s', PolicyKit refuse to grant us the requested privileges and we have no increase RLIMIT_NICE/RLIMIT_RTPRIO resource limits.\n"
+ "For enabling real-time/high-priority scheduling please acquire the appropriate PolicyKit privileges, or become a member of '%s', or increase the RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user."),
+ PA_REALTIME_GROUP, PA_REALTIME_GROUP);
+
+
+ if (!allow_realtime)
+ conf->realtime_scheduling = FALSE;
+
+ if (!allow_high_priority)
+ conf->high_priority = FALSE;
}
#ifdef HAVE_SYS_RESOURCE_H
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 && !pa_can_high_priority()) {
+ pa_log_info(_("High-priority scheduling enabled in configuration but not allowed by policy."));
+ conf->high_priority = FALSE;
+ }
if (conf->high_priority && (conf->cmd == PA_CMD_DAEMON || conf->cmd == PA_CMD_START))
pa_raise_priority(conf->nice_level);
+ pa_log_debug("Can realtime: %s, can high-priority: %s", pa_yes_no(pa_can_realtime()), pa_yes_no(pa_can_high_priority()));
+
if (!real_root && pa_have_caps()) {
pa_bool_t drop;
}
}
- if (conf->realtime_scheduling && !pa_can_realtime())
- pa_log_warn(_("Real-time scheduling enabled in configuration but not allowed by policy."));
+ if (conf->realtime_scheduling && !pa_can_realtime()) {
+ pa_log_info(_("Real-time scheduling enabled in configuration but not allowed by policy."));
+ conf->realtime_scheduling = FALSE;
+ }
pa_log_debug("Can realtime: %s, can high-priority: %s", pa_yes_no(pa_can_realtime()), pa_yes_no(pa_can_high_priority()));
if (pa_resample_method_supported(i))
printf("%s\n", pa_resample_method_to_string(i));
+ retval = 0;
goto finish;
}
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."));
+ pa_log(_("Root privileges required."));
goto finish;
}
#endif
if (conf->auto_log_target)
- pa_log_set_target(PA_LOG_SYSLOG, NULL);
+ pa_log_set_target(PA_LOG_SYSLOG);
#ifdef HAVE_SETSID
setsid();
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(_("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);
+ }
+
if (!(s = pa_get_runtime_dir()))
goto finish;
pa_log_info(_("Using runtime directory %s."), s);
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!"));
else
pa_log_info(_("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!"));
+ pa_rtclock_hrtimer_enable();
+
#ifdef SIGRTMIN
/* Valgrind uses SIGRTMAX. To easy debugging we don't use it here */
pa_rtsig_configure(SIGRTMIN, SIGRTMAX-1);
#endif
+ if (conf->lock_memory) {
+#ifdef HAVE_SYS_MMAN_H
+ if (mlockall(MCL_FUTURE) < 0)
+ pa_log_warn("mlockall() failed: %s", pa_cstrerror(errno));
+ else
+ pa_log_info("Sucessfully 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, conf->shm_size))) {
}
c->default_sample_spec = conf->default_sample_spec;
+ 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->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->disable_lfe_remixing = !!conf->disable_lfe_remixing;
c->running_as_daemon = !!conf->daemonize;
c->disallow_exit = conf->disallow_exit;
+ c->flat_volumes = conf->flat_volumes;
pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
pa_signal_new(SIGINT, signal_callback, c);
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;
- }
-
#ifdef HAVE_FORK
if (daemon_pipe[1] >= 0) {
int ok = 0;
}
#endif
+#ifdef HAVE_DBUS
+ dbus = register_dbus(c);
+#endif
+
pa_log_info(_("Daemon startup complete."));
retval = 0;
pa_log_info(_("Daemon shutdown initiated."));
finish:
+#ifdef HAVE_DBUS
+ if (dbus)
+ pa_dbus_connection_unref(dbus);
+#endif
if (autospawn_fd >= 0) {
if (autospawn_locked)
pa_autospawn_lock_done(FALSE);
}
- if (lf)
- pa_xfree(lf);
-
#ifdef OS_IS_WIN32
if (win32_timer)
pa_mainloop_get_api(mainloop)->time_free(win32_timer);