main.c revision 81f5fc2d43800c23a4440ed94cfe38d579e896fe
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen This file is part of systemd.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen Copyright 2010 Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen systemd is free software; you can redistribute it and/or modify it
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen under the terms of the GNU Lesser General Public License as published by
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen the Free Software Foundation; either version 2.1 of the License, or
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen (at your option) any later version.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen systemd is distributed in the hope that it will be useful, but
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen WITHOUT ANY WARRANTY; without even the implied warranty of
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen Lesser General Public License for more details.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen You should have received a copy of the GNU Lesser General Public License
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen along with systemd; If not, see <http://www.gnu.org/licenses/>.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_dump_core = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_crash_shell = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_confirm_spawn = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_switched_root = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char ***arg_join_controllers = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC;
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidtstatic usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char **arg_default_environment = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic uint64_t arg_capability_bounding_set_drop = 0;
0dd25fb9f005d8ab7ac4bc10a609d00569f8c56aLennart Poetteringstatic nsec_t arg_timer_slack_nsec = NSEC_INFINITY;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_default_cpu_accounting = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_default_blockio_accounting = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_default_memory_accounting = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void pager_open_if_enabled(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Pass this on immediately, if this is not PID 1 */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We want to wait for the core process, hence let's enable SIGCHLD */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Enable default signal handler for core dump */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Don't limit the core dump size */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Just to be sure... */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Raise the signal again */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering kill(pid, sig); /* raise() would kill the parent */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_not_reached("We shouldn't be here...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Order things nicely. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).",
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering pid, sigchld_code_to_string(status.si_code),
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Executing crash shell in 10s...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Let the kernel reap children for us */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency_errno(errno, "Failed to fork off crash shell: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering execle("/bin/sh", "/bin/sh", NULL, environ);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_emergency_errno(errno, "execle() failed: %m");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_info("Successfully spawned crash shell as PID "PID_FMT".", pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void install_crash_handler(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We ignore the return value here, since, we don't mind if we
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * cannot set up a crash handler */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int console_setup(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return log_error_errno(tty_fd, "Failed to open /dev/console: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We don't want to force text mode. plymouth may be showing
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * pictures already from initrd. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return log_error_errno(r, "Failed to reset /dev/console: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int set_default_unit(const char *u) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_proc_cmdline_item(const char *key, const char *value) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering static const char * const rlmap[] = {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (streq(key, "systemd.unit") && value) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (streq(key, "rd.systemd.unit") && value) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (streq(key, "systemd.dump_core") && value) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", value);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (streq(key, "systemd.crash_shell") && value) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.crash_chvt") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.confirm_spawn") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.show_status") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering r = parse_show_status(value, &arg_show_status);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.default_standard_output") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.default_standard_error") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "systemd.setenv") && value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering env = strv_env_set(arg_default_environment, value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "quiet") && !value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering if (arg_show_status == _SHOW_STATUS_UNSET)
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (streq(key, "debug") && !value) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering /* Note that log_parse_environment() handles 'debug'
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering * too, and sets the log level to LOG_DEBUG. */
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering /* SysV compatibility */
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering#define DEFINE_SETTER(name, func, descr) \
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poettering const char *lvalue, \
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poettering const char *rvalue, \
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -r, \
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart PoetteringDEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level")
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart PoetteringDEFINE_SETTER(config_parse_target, log_set_target_from_string, "target")
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart PoetteringDEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart PoetteringDEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poettering FOREACH_WORD_QUOTED(word, l, rvalue, state) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, EINVAL,
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering "Trailing garbage, ignoring.");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_unit_warning(unit, "Failed to set CPU affinity: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, -k,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "Failed to parse show status setting, ignoring: %s", rvalue);
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poetteringstatic void strv_free_free(char ***l) {
edc501d4674dadc304d45a7e1c5b69e207eb8cd4Lennart Poettering for (i = l; *i; i++)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void free_join_controllers(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_join_controllers(const char *unit,
f0e1546763304aedc90e91d70dab9eeb7c966cf8Lennart Poettering unsigned n = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering FOREACH_WORD_QUOTED(word, length, rvalue, state) {
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering for (a = arg_join_controllers; *a; a++) {
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering if (strv_extend_strv(&l, *a) < 0) {
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering log_syntax(unit, LOG_ERR, filename, line, EINVAL,
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering "Trailing garbage, ignoring.");
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poetteringstatic int parse_config_file(void) {
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen conf_dirs_nulstr = arg_running_as == SYSTEMD_SYSTEM ? CONF_DIRS_NULSTR("systemd/system.conf") : CONF_DIRS_NULSTR("systemd/user.conf");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen config_parse_many(fn, conf_dirs_nulstr, "Manager\0",
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen config_item_table_lookup, items, false, NULL);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersenstatic int parse_argv(int argc, char *argv[]) {
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen { "log-target", required_argument, NULL, ARG_LOG_TARGET },
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen { "unit", required_argument, NULL, ARG_UNIT },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "user", no_argument, NULL, ARG_USER },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "test", no_argument, NULL, ARG_TEST },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "no-pager", no_argument, NULL, ARG_NO_PAGER },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "help", no_argument, NULL, 'h' },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "version", no_argument, NULL, ARG_VERSION },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek r = log_set_max_level_from_string(optarg);
4713135eae4f7b6b670a98476fe413edfa1d9f41Zbigniew Jędrzejewski-Szmek log_error("Failed to parse log level %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log target %s.", optarg);
87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering log_error("Failed to parse log color setting %s.", optarg);
87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering r = log_show_location_from_string(optarg);
87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering log_error("Failed to parse log location setting %s.", optarg);
87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering log_error("Failed to parse default standard output setting %s.", optarg);
bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen log_error("Failed to parse default standard error output setting %s.", optarg);
87f5a19343acf8ba697acc5a62bdb1a2b8c9eda3Lennart Poettering return log_error_errno(r, "Failed to set default unit %s: %m", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Failed to parse dump core boolean %s.", optarg);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Failed to parse crash shell boolean %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse confirm spawn boolean %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = parse_show_status(optarg, &arg_show_status);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse show status boolean %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0 || fd < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse deserialize option %s.", optarg);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return r < 0 ? r : -EINVAL;
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering return log_error_errno(errno, "Failed to open serialization fd: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Just to eat away the sysvinit kernel
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * cmdline args without getopt() error
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * messages that we'll parse in
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * parse_proc_cmdline_word() or ignore. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_not_reached("Unhandled option code.");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Hmm, when we aren't run as init system
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen * let's complain about excess arguments */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic int help(void) {
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering "Starts up and maintains the system or user services.\n\n"
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering " -h --help Show this help\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering " --test Determine startup sequence, dump it and exit\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --no-pager Do not pipe output into a pager\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --dump-configuration-items Dump understood unit configuration items\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --unit=UNIT Set default unit\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --system Run a system instance, even if PID != 1\n"
a5f035960006556beab51c42e6948985635e261aLennart Poettering " --user Run a user instance\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --dump-core[=0|1] Dump core on crash\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --crash-shell[=0|1] Run shell on crash\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --show-status[=0|1] Show status updates on the console during bootup\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --log-target=TARGET Set log target (console, journal, kmsg, journal-or-kmsg, null)\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering " --log-color[=0|1] Highlight important log messages\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering " --log-location[=0|1] Include code location in log messages\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering " --default-standard-output= Set default standard output for services\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering " --default-standard-error= Set default standard error output for services\n",
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poetteringstatic int version(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) {
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering log_error_errno(r, "Failed to create serialization file: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Make sure nothing is really destructed when we shut down */
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_error_errno(r, "Failed to allocate fd set: %m");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen r = manager_serialize(m, f, fds, switching_root);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error_errno(r, "Failed to serialize state: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error_errno(errno, "Failed to rewind serialization fd: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Save the original RLIMIT_NOFILE so that we can reset it
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * later when transitioning from the initrd to the main
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * systemd or suchlike. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return log_error_errno(errno, "Reading RLIMIT_NOFILE failed: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Make sure forked processes get the default kernel setting */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!arg_default_rlimit[RLIMIT_NOFILE]) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering rl = newdup(struct rlimit, saved_rlimit, 1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Bump up the resource limit for ourselves substantially */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = setrlimit_closest(RLIMIT_NOFILE, &nl);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return log_error_errno(r, "Setting RLIMIT_NOFILE failed: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void test_mtab(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering static const char ok[] =
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Check that /etc/mtab is a symlink to the right place or
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * non-existing. But certainly not a file, or a symlink to
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * some weird place... */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "This is not supported anymore. "
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering "Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void test_usr(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Check that /usr is not a separate fs */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("/usr appears to be on its own filesystem and is not already mounted. This is not a supported setup. "
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Some things will probably break (sometimes even silently) in mysterious ways. "
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int initialize_join_controllers(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* By default, mount "cpu" + "cpuacct" together, and "net_cls"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * + "net_prio". We'd like to add "cpuset" to the mix, but
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * "cpuset" doesn't really work for groups with no initialized
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * attributes. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (!arg_join_controllers[0] || !arg_join_controllers[1]) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int enforce_syscall_archs(Set *archs) {
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error_errno(r, "Failed to add architecture to seccomp: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error_errno(r, "Failed to unset NO_NEW_PRIVS: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error_errno(r, "Failed to add install architecture seccomp: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int status_welcome(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = parse_env_file("/etc/os-release", NEWLINE,
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = parse_env_file("/usr/lib/os-release", NEWLINE,
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (r < 0 && r != -ENOENT)
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_warning_errno(r, "Failed to read os-release file: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering "\nWelcome to \x1B[%sm%s\x1B[0m!\n",
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering isempty(pretty_name) ? "Linux" : pretty_name);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int write_container_id(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *c;
5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering return write_string_file("/run/systemd/container", c);
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp userspace_timestamp = { 0ULL, 0ULL };
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp kernel_timestamp = { 0ULL, 0ULL };
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp security_start_timestamp = { 0ULL, 0ULL };
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp security_finish_timestamp = { 0ULL, 0ULL };
2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering char *switch_root_dir = NULL, *switch_root_init = NULL;
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering static struct rlimit saved_rlimit_nofile = { 0, 0 };
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* This is compatibility support for SysV, where
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * calling init as a user is identical to telinit. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp_from_monotonic(&kernel_timestamp, 0);
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering dual_timestamp_get(&userspace_timestamp);
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering /* Determine if this is a reexecution or normal bootup. We do
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering * the full command line parsing much later, so let's just
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering * have a quick peek here. */
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering /* If we have switched root, do all the special setup
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering if (strv_find(argv+1, "--switched-root"))
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering /* If we get started via the /sbin/init symlink then we are
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering called 'init'. After a subsequent reexecution we are then
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering called 'systemd'. That is confusing, hence let's call us
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering systemd right-away. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_show_color(isatty(STDERR_FILENO) > 0);
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering /* Disable the umask logic */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (getpid() == 1 && detect_container(NULL) <= 0) {
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering /* Running outside of a container as PID 1 */
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering dual_timestamp_get(&security_start_timestamp);
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering if (mac_selinux_setup(&loaded_policy) < 0) {
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering error_message = "Failed to load SELinux policy";
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering } else if (ima_setup() < 0) {
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering error_message = "Failed to load IMA policy";
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering } else if (mac_smack_setup(&loaded_policy) < 0) {
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering error_message = "Failed to load SMACK policy";
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering dual_timestamp_get(&security_finish_timestamp);
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering error_message = "Failed to initialize SELinux policy";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * The very first call of settimeofday() also does a time warp in the kernel.
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * In the rtc-in-local time mode, we set the kernel's timezone, and rely on
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * external tools to take care of maintaining the RTC and do all adjustments.
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * This matches the behavior of Windows, which leaves the RTC alone if the
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * registry tells that the RTC runs in UTC.
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering log_error_errno(r, "Failed to apply local time delta, ignoring: %m");
a2a416f768e2aa7db5b975cd50eb19237cac9cceLennart Poettering log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
a2a416f768e2aa7db5b975cd50eb19237cac9cceLennart Poettering } else if (!in_initrd()) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * Do a dummy very first call to seal the kernel's time warp magic.
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * Do not call this this from inside the initrd. The initrd might not
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * carry /etc/adjtime with LOCAL, but the real system could be set up
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * that way. In such case, we need to delay the time-warp or the sealing
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * until we reach the real system.
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * Do no set the kernel's timezone. The concept of local time cannot
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * be supported reliably, the time will jump or be incorrect at every daylight
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * saving time change. All kernel local time concepts will be treated
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * as UTC that way.
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Set the default for later on, but don't actually
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * open the logs like this for now. Note that if we
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * are transitioning from the initrd there might still
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * be journal fd open, and we shouldn't attempt
bf3f1271e2cc0c22b11c8a805a997578dabe9191Lennart Poettering * opening that before we parsed /proc/cmdline which
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * might redirect output elsewhere. */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Running inside a container, as PID 1 */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_close_console(); /* force reopen of /dev/console */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* For the later on, see above... */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* clear the kernel timestamp,
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * because we are in a container */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Running as user instance */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* clear the kernel timestamp,
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * because we are not PID 1 */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Initialize default unit */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = set_default_unit(SPECIAL_DEFAULT_TARGET);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_emergency_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to set default unit";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to initalize cgroup controllers";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Mount /proc, /sys and friends, so that /proc/cmdline and
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * /proc/$PID/fd is available. */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Load the kernel modules early, so that we kdbus.ko is loaded before kdbusfs shall be mounted */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to mount API filesystems";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Reset all signal handlers. */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering assert_se(reset_all_signal_handlers() == 0);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to parse config file";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering r = parse_proc_cmdline(parse_proc_cmdline_item);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Note that this also parses bits from the kernel command
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering * line, including "debug". */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to parse commandline arguments";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Don't run test mode as root.");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Trying to run as user instance, but the system has not been booted with systemd.");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Cannot be run in a chroot() environment.");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering } else if (arg_action == ACTION_VERSION) {
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering } else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set.");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Close logging fds, in order not to confuse fdset below */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Remember open file descriptors for later deserialization */
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_emergency_errno(r, "Failed to allocate fd set: %m");
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering error_message = "Failed to allocate fd set";
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0);
1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering /* Become a session leader if we aren't one yet. */
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Move out of the way, so that we won't block unmounts */
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering /* Reset the console, but only if this is really init and we
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * are freshly booted */
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) {
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering * /dev/null and make sure we don't have a controlling
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering /* Open the logging devices, if possible and necessary */
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering if (arg_show_status == _SHOW_STATUS_UNSET)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Make sure we leave a core dump without panicing the
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = mount_cgroup_controllers(arg_join_controllers);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")",
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_action == ACTION_TEST ? "test " : "" );
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Detected virtualization '%s'.", virtualization);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture()));
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Running in initial RAM disk.");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Let's check whether /etc is already populated. We
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * don't actually really check for that, but use
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * /etc/machine-id as flag file. This allows container
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * managers and installers to provision a couple of
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * files already. If the container manager wants to
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * provision the machine ID itself it should pass
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * $container_uuid to PID 1. */
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering empty_etc = access("/etc/machine-id", F_OK) < 0;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Running with unpopulated /etc.");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_action == ACTION_TEST ? " test" : "", getuid(), t);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (arg_show_status > 0 || plymouth_running())
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering watchdog_set_timeout(&arg_runtime_watchdog);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (arg_timer_slack_nsec != NSEC_INFINITY)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_error_errno(errno, "Failed to adjust timer slack: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering error_message = "Failed to drop capability bounding set of usermode helpers";
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_emergency_errno(r, "Failed to drop capability bounding set: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering error_message = "Failed to drop capability bounding set";
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = enforce_syscall_archs(arg_syscall_archs);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering error_message = "Failed to set syscall architectures";
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Become reaper of our children */
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning_errno(errno, "Failed to make us a subreaper: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Perhaps the kernel version is too old (< 3.4?)");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering bump_rlimit_nofile(&saved_rlimit_nofile);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_FULL, false, NULL, 0);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning_errno(r, "Failed to populate /etc with preset unit settings, ignoring: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_info("Populated /etc with preset unit settings.");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_emergency_errno(r, "Failed to allocate manager object: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering error_message = "Failed to allocate manager object";
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_std_output = arg_default_std_output;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_std_error = arg_default_std_error;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_restart_usec = arg_default_restart_usec;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_timeout_start_usec = arg_default_timeout_start_usec;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_timeout_stop_usec = arg_default_timeout_stop_usec;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_start_limit_interval = arg_default_start_limit_interval;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_start_limit_burst = arg_default_start_limit_burst;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_cpu_accounting = arg_default_cpu_accounting;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_blockio_accounting = arg_default_blockio_accounting;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->default_memory_accounting = arg_default_memory_accounting;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->runtime_watchdog = arg_runtime_watchdog;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->shutdown_watchdog = arg_shutdown_watchdog;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->userspace_timestamp = userspace_timestamp;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->security_start_timestamp = security_start_timestamp;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering m->security_finish_timestamp = security_finish_timestamp;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering manager_set_default_rlimits(m, arg_default_rlimit);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering manager_environment_add(m, NULL, arg_default_environment);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering manager_set_show_status(m, arg_show_status);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Remember whether we should queue the default job */
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering queue_default_job = !arg_serialization || arg_switched_root;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = manager_startup(m, arg_serialization, fds);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_error_errno(r, "Failed to fully start up daemon: %m");
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* This will close all file descriptors that were opened, but
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering * not claimed by any unit. */
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("Activating default unit: %s", arg_default_unit);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering r = manager_load_unit(m, arg_default_unit, NULL, &error, &target);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_error("Failed to load default target: %s", bus_error_message(&error, r));
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_error_errno(target->load_error, "Failed to load default target: %m");
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering else if (target->load_state == UNIT_MASKED)
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (!target || target->load_state != UNIT_LOADED) {
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_info("Trying to load rescue target...");
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target);
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r));
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering error_message = "Failed to load rescue target";
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering log_emergency_errno(target->load_error, "Failed to load rescue target: %m");
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering error_message = "Failed to load rescue target";
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering } else if (target->load_state == UNIT_MASKED) {
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering assert(target->load_state == UNIT_LOADED);
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = manager_add_job(m, JOB_START, target, JOB_ISOLATE, false, &error, &default_unit_job);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r));
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job);
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_emergency("Failed to start default target: %s", bus_error_message(&error, r));
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering error_message = "Failed to start default target";
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering } else if (r < 0) {
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r));
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering error_message = "Failed to isolate default target";
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering m->default_unit_job_id = default_unit_job->id;
556a22945fcc88ca27ae7ecc46c9bb2727e37895Lennart Poettering log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG,
556a22945fcc88ca27ae7ecc46c9bb2727e37895Lennart Poettering "Loaded units and determined initial transaction in %s.",
556a22945fcc88ca27ae7ecc46c9bb2727e37895Lennart Poettering format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC));
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_emergency_errno(r, "Failed to run main loop: %m");
eb60f9cd4e93ff5016dc1b5486fd1b7e1565fd92Lennart Poettering error_message = "Failed to run main loop";
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_error_errno(r, "Failed to reload: %m");
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) {
ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering error_message = "Failed to prepare for reexection";
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering /* Steal the switch root parameters */
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering m->switch_root = m->switch_root_init = NULL;
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) {
a407657425a3e47fd2b559cd3bc800f791303f63Lennart Poettering error_message = "Failed to prepare for reexection";
902bb5d8abb2a7d258741828d212ca549ab16950Lennart Poettering static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
902bb5d8abb2a7d258741828d212ca549ab16950Lennart Poettering assert_se(shutdown_verb = table[m->exit_code]);
902bb5d8abb2a7d258741828d212ca549ab16950Lennart Poettering arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT;
3e684349c2cead2e6fd2f816c34eb17daba23a49Lennart Poettering assert_not_reached("Unknown exit code.");
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering arg_shutdown_watchdog = m->shutdown_watchdog;
4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
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);
if (error_message)
freeze();
return retval;