main.c revision 3408ba015aee3a88c91962c028738be757779519
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering This file is part of systemd.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Copyright 2010 Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is free software; you can redistribute it and/or modify it
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering under the terms of the GNU Lesser General Public License as published by
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering (at your option) any later version.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is distributed in the hope that it will be useful, but
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Lesser General Public License for more details.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering You should have received a copy of the GNU Lesser General Public License
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidtstatic SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_dump_core = true;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_crash_shell = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_confirm_spawn = false;
cca1dfddd4ce4357113663532696488427cc54e4Lennart Poetteringstatic ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic bool arg_switched_root = false;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic char ***arg_join_controllers = NULL;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic char **arg_default_environment = NULL;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic uint64_t arg_capability_bounding_set_drop = 0;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic nsec_t arg_timer_slack_nsec = (nsec_t) -1;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic bool arg_default_cpu_accounting = false;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic bool arg_default_blockio_accounting = false;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic bool arg_default_memory_accounting = false;
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt /* Pass this on immediately, if this is not PID 1 */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* We want to wait for the core process, hence let's enable SIGCHLD */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if (pid == 0) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Enable default signal handler for core dump */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Don't limit the core dump size */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Just to be sure... */
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt /* Raise the signal again */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_not_reached("We shouldn't be here...");
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt /* Order things nicely. */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Let the kernel reap children for us */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to fork off crash shell: %m");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if (pid == 0) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic void install_crash_handler(void) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to /dev/null
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering * and make sure we don't have a controlling tty. */
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt /* We don't want to force text mode.
4a62c710b62a5a3c7a8a278b810b9d5b5a0c8f4fMichal Schmidt * plymouth may be showing pictures already from initrd. */
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_error("Failed to reset /dev/console: %s", strerror(-r));
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int set_default_unit(const char *u) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_proc_cmdline_item(const char *key, const char *value) {
cca1dfddd4ce4357113663532696488427cc54e4Lennart Poettering static const char * const rlmap[] = {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (streq(key, "systemd.unit") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "rd.systemd.unit") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.log_target") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (log_set_target_from_string(value) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse log target %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.log_level") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (log_set_max_level_from_string(value) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse log level %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.log_color") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (log_show_color_from_string(value) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse log color setting %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.log_location") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (log_show_location_from_string(value) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse log location setting %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.dump_core") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.crash_shell") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.crash_chvt") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.confirm_spawn") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.show_status") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering r = parse_show_status(value, &arg_show_status);
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek log_warning("Failed to parse show status switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.default_standard_output") && value) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.default_standard_error") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.setenv") && value) {
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek if (env_assignment_is_valid(value)) {
fa041593fe04b12ffd7e81d8b3598a7a6f313fb3Lennart Poettering env = strv_env_set(arg_default_environment, value);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_warning("Setting environment variable '%s' failed, ignoring: %s", value, strerror(ENOMEM));
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
fa041593fe04b12ffd7e81d8b3598a7a6f313fb3Lennart Poettering } else if (streq(key, "quiet") && !value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (arg_show_status == _SHOW_STATUS_UNSET)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "debug") && !value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering /* SysV compatibility */
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#define DEFINE_SETTER(name, func, descr) \
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *lvalue, \
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *rvalue, \
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -r, \
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart PoetteringDEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level")
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart PoetteringDEFINE_SETTER(config_parse_target, log_set_target_from_string, "target")
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart PoetteringDEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart PoetteringDEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering FOREACH_WORD_QUOTED(w, l, rvalue, state) {
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt if (!(t = strndup(w, l)))
cca1dfddd4ce4357113663532696488427cc54e4Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -r,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering "Failed to parse CPU affinity '%s'", rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek log_warning_unit(unit, "Failed to set CPU affinity: %m");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -k,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering "Failed to parse show status setting, ignoring: %s", rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic void strv_free_free(char ***l) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering for (i = l; *i; i++)
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poetteringstatic void free_join_controllers(void) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poetteringstatic int config_parse_join_controllers(const char *unit,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering unsigned n = 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering FOREACH_WORD_QUOTED(w, length, rvalue, state) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering for (a = arg_join_controllers; *a; a++) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (strv_extend_strv(&l, *a) < 0) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_config_file(void) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt { "Manager", "LogTarget", config_parse_target, 0, NULL },
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt { "Manager", "LogColor", config_parse_color, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
98b2f766b24c84fc49a4df954717b1f96bbce00dLennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
b5884878a2874447b2a9f07f324a7cd909d96d48Lennart Poettering log_warning("Failed to open configuration file '%s': %m", fn);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to parse configuration file: %s", strerror(-r));
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_argv(int argc, char *argv[]) {
opterr = 0;
case ARG_LOG_LEVEL:
case ARG_LOG_TARGET:
case ARG_LOG_COLOR:
if (optarg) {
log_show_color(true);
case ARG_LOG_LOCATION:
if (optarg) {
log_show_location(true);
case ARG_DEFAULT_STD_OUTPUT:
case ARG_DEFAULT_STD_ERROR:
case ARG_UNIT:
case ARG_SYSTEM:
case ARG_USER:
case ARG_TEST:
case ARG_VERSION:
case ARG_DUMP_CORE:
arg_dump_core = r;
case ARG_CRASH_SHELL:
arg_crash_shell = r;
case ARG_CONFIRM_SPAWN:
arg_confirm_spawn = r;
case ARG_SHOW_STATUS:
if (optarg) {
case ARG_DESERIALIZE: {
int fd;
FILE *f;
if (r < 0 || fd < 0) {
return r < 0 ? r : -EINVAL;
return -errno;
if (arg_serialization)
arg_serialization = f;
case ARG_SWITCHED_ROOT:
arg_switched_root = true;
return -EINVAL;
return -EINVAL;
_cleanup_free_ char *w;
char *value;
w = strdup(*a);
return log_oom();
if (value)
*(value++) = 0;
static int help(void) {
" --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n"
static int version(void) {
assert(m);
r = manager_open_serialization(m, &f);
goto fail;
m->n_reloading ++;
bus_manager_send_reloading(m, true);
if (!fds) {
r = -ENOMEM;
goto fail;
goto fail;
goto fail;
goto fail;
goto fail;
*_f = f;
fail:
fclose(f);
return -errno;
if (!rl)
return log_oom();
static void test_mtab(void) {
static const char ok[] =
if (r == -ENOENT)
"Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
static void test_usr(void) {
log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
static int initialize_join_controllers(void) {
if (!arg_join_controllers)
return -ENOMEM;
return -ENOMEM;
#ifdef HAVE_SECCOMP
Iterator i;
void *id;
if (!seccomp)
return log_oom();
if (r == -EEXIST)
goto finish;
goto finish;
static int status_welcome(void) {
NULL);
if (r == -ENOENT) {
NULL);
if (r < 0 && r != -ENOENT)
static int write_container_id(void) {
if (isempty(c))
bool reexecute = false;
bool skip_setup = false;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
bool empty_etc = false;
#ifdef HAVE_SYSV_COMPAT
skip_setup = true;
skip_setup = false;
umask(0);
log_open();
if (in_initrd())
if (!skip_setup) {
goto finish;
if (ima_setup() < 0)
goto finish;
goto finish;
goto finish;
if (!skip_setup) {
if (clock_is_localtime() > 0) {
int min;
} else if (!in_initrd()) {
log_open();
log_open();
goto finish;
r = initialize_join_controllers();
goto finish;
goto finish;
if (parse_config_file() < 0)
goto finish;
goto finish;
goto finish;
geteuid() == 0) {
goto finish;
sd_booted() <= 0) {
goto finish;
running_in_chroot() > 0) {
goto finish;
goto finish;
goto finish;
goto finish;
goto finish;
goto finish;
log_close();
goto finish;
if (arg_serialization)
setsid();
log_open();
goto finish;
if (virtualization)
if (in_initrd())
* /etc/machine-id as flag file. This allows container
if (empty_etc)
_cleanup_free_ char *t;
log_debug(PACKAGE_STRING " running in user mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", getuid(), strna(t));
#ifdef HAVE_KMOD
kmod_setup();
test_mtab();
test_usr();
goto finish;
goto finish;
if (arg_syscall_archs) {
goto finish;
if (empty_etc) {
goto finish;
if (arg_serialization) {
if (queue_default_job) {
goto finish;
goto finish;
goto finish;
if (r == -EPERM) {
log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r));
goto finish;
goto finish;
goto finish;
r = manager_loop(m);
goto finish;
switch (m->exit_code) {
case MANAGER_EXIT:
goto finish;
case MANAGER_RELOAD:
r = manager_reload(m);
case MANAGER_REEXECUTE:
goto finish;
reexecute = true;
goto finish;
case MANAGER_SWITCH_ROOT:
if (!switch_root_init)
goto finish;
reexecute = true;
goto finish;
case MANAGER_REBOOT:
case MANAGER_POWEROFF:
case MANAGER_HALT:
case MANAGER_KEXEC: {
goto finish;
manager_free(m);
m = NULL;
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
watchdog_close(true);
if (switch_root_dir) {
if (!switch_root_init) {
if (switch_root_dir)
if (switch_root_dir)
clearenv();
if (arg_serialization) {
if (fds) {
if (switch_root_init) {
if (arg_serialization) {
if (fds) {
#ifdef HAVE_VALGRIND_VALGRIND_H
if (shutdown_verb) {
switch (log_get_target()) {
case LOG_TARGET_KMSG:
case LOG_TARGET_CONSOLE:
if (log_get_show_color())
if (log_get_show_location())
watchdog_close(false);
watchdog_close(true);
freeze();
return retval;