main.c revision d1cefe0ae29ce95b13157757913b494d89912b95
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/>.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_dump_core = true;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_crash_shell = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_confirm_spawn = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_switched_root = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic char ***arg_join_controllers = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart 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_INFINITY;
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;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic bool arg_default_tasks_accounting = false;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic void pager_open_if_enabled(void) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Pass this on immediately, if this is not PID 1 */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency("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_emergency_errno(errno, "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... */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Raise the signal again */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering (void) kill(pid, sig); /* raise() would kill the parent */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_not_reached("We shouldn't be here...");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Order things nicely. */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).",
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering pid, sigchld_code_to_string(status.si_code),
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency("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 log_info("Executing crash shell in 10s...");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Let the kernel reap children for us */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency_errno(errno, "Failed to fork off crash shell: %m");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if (pid == 0) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering (void) execle("/bin/sh", "/bin/sh", NULL, environ);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_emergency_errno(errno, "execle() failed: %m");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_info("Successfully spawned crash shell as PID "PID_FMT".", pid);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic void install_crash_handler(void) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering /* We ignore the return value here, since, we don't mind if we
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering * cannot set up a crash handler */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int console_setup(void) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering return log_error_errno(tty_fd, "Failed to open /dev/console: %m");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* We don't want to force text mode. plymouth may be showing
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering * pictures already from initrd. */
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return log_error_errno(r, "Failed to reset /dev/console: %m");
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poetteringstatic int set_default_unit(const char *u) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_proc_cmdline_item(const char *key, const char *value) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering static const char * const rlmap[] = {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (streq(key, "systemd.unit") && value) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else if (streq(key, "rd.systemd.unit") && value) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else if (streq(key, "systemd.dump_core") && value) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", value);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart 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);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "systemd.default_standard_output") && value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart 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) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering env = strv_env_set(arg_default_environment, value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "quiet") && !value) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (arg_show_status == _SHOW_STATUS_UNSET)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (streq(key, "debug") && !value) {
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek /* Note that log_parse_environment() handles 'debug'
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek * too, and sets the log level to LOG_DEBUG. */
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering /* SysV compatibility */
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek#define DEFINE_SETTER(name, func, descr) \
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek static int name(const char *unit, \
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart 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")
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering ncpus = parse_cpu_set(rvalue, &c, unit, filename, line, lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to set CPU affinity: %m");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -k,
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek "Failed to parse show status setting, ignoring: %s", rvalue);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int config_parse_join_controllers(const char *unit,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering unsigned n = 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_join_controllers = strv_free_free(arg_join_controllers);
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek _cleanup_free_ char *word = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering for (a = arg_join_controllers; *a; a++) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering if (strv_extend_strv(&l, *a) < 0) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, EINVAL,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering "Trailing garbage, ignoring.");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int parse_config_file(void) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "DefaultTasksAccounting", config_parse_bool, 0, &arg_default_tasks_accounting },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering fn = arg_running_as == MANAGER_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering conf_dirs_nulstr = arg_running_as == MANAGER_SYSTEM ? CONF_DIRS_NULSTR("systemd/system.conf") : CONF_DIRS_NULSTR("systemd/user.conf");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering config_parse_many(fn, conf_dirs_nulstr, "Manager\0",
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering config_item_table_lookup, items, false, NULL);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic void manager_set_defaults(Manager *m) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_std_output = arg_default_std_output;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_std_error = arg_default_std_error;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering m->default_timeout_start_usec = arg_default_timeout_start_usec;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_timeout_stop_usec = arg_default_timeout_stop_usec;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering m->default_restart_usec = arg_default_restart_usec;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_start_limit_interval = arg_default_start_limit_interval;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering m->default_start_limit_burst = arg_default_start_limit_burst;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_cpu_accounting = arg_default_cpu_accounting;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_blockio_accounting = arg_default_blockio_accounting;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering m->default_memory_accounting = arg_default_memory_accounting;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering m->default_tasks_accounting = arg_default_tasks_accounting;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering manager_set_default_rlimits(m, arg_default_rlimit);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering manager_environment_add(m, NULL, arg_default_environment);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_argv(int argc, char *argv[]) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-target", required_argument, NULL, ARG_LOG_TARGET },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "unit", required_argument, NULL, ARG_UNIT },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "system", no_argument, NULL, ARG_SYSTEM },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "no-pager", no_argument, NULL, ARG_NO_PAGER },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "version", no_argument, NULL, ARG_VERSION },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
98b2f766b24c84fc49a4df954717b1f96bbce00dLennart Poettering { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering r = log_set_max_level_from_string(optarg);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_error("Failed to parse log level %s.", optarg);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_error("Failed to parse log target %s.", optarg);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_error("Failed to parse log color setting %s.", optarg);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering r = log_show_location_from_string(optarg);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_error("Failed to parse log location setting %s.", optarg);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_error("Failed to parse default standard output setting %s.", optarg);
case ARG_DEFAULT_STD_ERROR:
case ARG_UNIT:
case ARG_SYSTEM:
case ARG_USER:
case ARG_TEST:
if (arg_no_pager < 0)
arg_no_pager = true;
case ARG_NO_PAGER:
arg_no_pager = true;
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;
arg_serialization = f;
case ARG_SWITCHED_ROOT:
arg_switched_root = true;
if (arg_no_pager < 0)
arg_no_pager = true;
return -EINVAL;
return -EINVAL;
static int help(void) {
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:
safe_fclose(f);
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.");
freeze();
static void test_usr(void) {
log_warning("/usr appears to be on its own filesystem 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;
if (!arg_join_controllers[0])
goto oom;
goto oom;
oom:
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;
} else 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;
if (!skip_setup)
kmod_setup();
goto finish;
(void) reset_all_signal_handlers();
if (parse_config_file() < 0) {
goto finish;
goto finish;
geteuid() == 0) {
goto finish;
sd_booted() <= 0) {
goto finish;
running_in_chroot() > 0) {
goto finish;
skip_setup = true;
goto finish;
goto finish;
goto finish;
goto finish;
goto finish;
log_close();
goto finish;
if (arg_serialization)
setsid();
log_open();
goto finish;
v = detect_virtualization();
if (in_initrd())
* /etc/machine-id as flag file. This allows container
if (empty_etc)
_cleanup_free_ char *t;
if (arg_show_status > 0)
test_mtab();
test_usr();
goto finish;
goto finish;
if (arg_syscall_archs) {
goto finish;
if (empty_etc) {
r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_ENABLE_ONLY, false, NULL, 0);
goto finish;
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_RELOAD:
r = parse_config_file();
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_EXIT:
goto finish;
case MANAGER_REBOOT:
case MANAGER_POWEROFF:
case MANAGER_HALT:
case MANAGER_KEXEC: {
goto finish;
pager_close();
m = manager_free(m);
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)
(void) clearenv();
(void) make_console_stdio();
(void) reset_all_signal_handlers();
(void) reset_signal_mask();
if (switch_root_init) {
#ifdef HAVE_VALGRIND_VALGRIND_H
if (shutdown_verb) {
switch (log_get_target()) {
case LOG_TARGET_KMSG:
case LOG_TARGET_NULL:
case LOG_TARGET_CONSOLE:
if (log_get_show_color())
if (log_get_show_location())
watchdog_close(r < 0);
watchdog_close(true);
if (detect_container() <= 0)
if (error_message)
freeze();
return retval;