main.c revision 939b8f14dcd9312140d001b55b4e7a87173682ef
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 ManagerRunningAs arg_running_as = _MANAGER_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 bool arg_show_status = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_switched_root = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_sysv_console = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char **arg_default_controllers = NULL;
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_shutdown_watchdog = 10 * USEC_PER_MINUTE;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic uint64_t arg_capability_bounding_set_drop = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("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 assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Enable default signal handler for core dump */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(sig, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Don't limit the core dump size */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Just to be sure... */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Raise the signal again */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_not_reached("We shouldn't be here...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Order things nicely. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = wait_for_terminate(pid, &status)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Executing crash shell in 10s...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Let the kernel reap children for us */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to fork off crash shell: %s", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to acquire terminal: %s", strerror(-fd));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to duplicate terminal fd: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("execl() failed: %s", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void install_crash_handler(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to /dev/null
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * and make sure we don't have a controlling tty. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We don't want to force text mode.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * plymouth may be showing pictures already from initrd. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to reset /dev/console: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int set_default_unit(const char *u) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_proc_cmdline_word(const char *word) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering static const char * const rlmap[] = {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "rd.systemd.unit=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_target=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_set_target_from_string(word + 19) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log target %s. Ignoring.", word + 19);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_level=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_set_max_level_from_string(word + 18) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log level %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_color=")) {
0014a4ad505d119c7ac4346d9d774c3f17f663a5Lennart Poettering if (log_show_color_from_string(word + 18) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_location=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_show_location_from_string(word + 21) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.dump_core=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.crash_shell=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.confirm_spawn=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.crash_chvt=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.show_status=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.default_standard_output=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if ((r = exec_output_from_string(word + 32)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.default_standard_error=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if ((r = exec_output_from_string(word + 31)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.setenv=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("unsetenv failed %s. Ignoring.", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("setenv failed %s. Ignoring.", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.sysv_console=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20);
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek log_warning("Unknown kernel switch %s. Ignoring.", word);
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek log_info("Supported kernel switches:\n"
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek "systemd.unit=UNIT Default unit to start\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "rd.systemd.unit=UNIT Default unit to start when run in initrd\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.dump_core=0|1 Dump core on crash\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.crash_shell=0|1 Run shell on crash\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.crash_chvt=N Change to VT #N on crash\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.show_status=0|1 Show status updates on the console during bootup\n"
c92e531c82a9815ec349aa1bf31236b86b2d5311Lennart Poettering "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Log target\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_level=LEVEL Log level\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.log_color=0|1 Highlight important log messages\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_location=0|1 Include code location in log messages\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Set default log output for services\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Set default log error output for services\n");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* SysV compatibility */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned ncpus = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!(t = strndup(w, l)))
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to set CPU affinity: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void strv_free_free(char ***l) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (i = l; *i; i++)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void free_join_controllers(void) {
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering unsigned n = 0;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen FOREACH_WORD_QUOTED(w, length, rvalue, state) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (a = arg_join_controllers; *a; a++) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersenstatic int parse_config_file(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status },
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_usec, 0, &arg_runtime_watchdog },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_usec, 0, &arg_shutdown_watchdog },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to open configuration file '%s': %m", fn);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse configuration file: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_proc_cmdline(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Don't read /proc/cmdline if we are in a container, since
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * that is only relevant for the host system */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_argv(int argc, char *argv[]) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-target", required_argument, NULL, ARG_LOG_TARGET },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "unit", required_argument, NULL, ARG_UNIT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "system", no_argument, NULL, ARG_SYSTEM },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "introspect", optional_argument, NULL, ARG_INTROSPECT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_set_max_level_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log level %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_set_target_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log target %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_show_color_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log color setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_show_location_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log location setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = exec_output_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse default standard output setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = exec_output_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse default standard error output setting %s.", optarg);
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering if ((r = set_default_unit(optarg)) < 0) {
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
case ARG_TEST:
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:
arg_show_status = r;
#ifdef HAVE_SYSV_COMPAT
case ARG_SYSV_CONSOLE:
arg_sysv_console = r;
case ARG_DESERIALIZE: {
int fd;
FILE *f;
if (serialization)
serialization = f;
case ARG_SWITCHED_ROOT:
arg_switched_root = true;
case ARG_INTROSPECT: {
const char * const * i = NULL;
if (optarg)
if (!i[0] && optarg)
return -EINVAL;
return -EINVAL;
if ((r = parse_proc_cmdline_word(*a)) < 0)
static int help(void) {
#ifdef HAVE_SYSV_COMPAT
" --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n"
assert(m);
m->n_reloading ++;
if ((r = manager_open_serialization(m, &f)) < 0) {
goto fail;
r = -ENOMEM;
goto fail;
goto fail;
goto fail;
goto fail;
goto fail;
*_f = f;
fail:
fclose(f);
assert(t);
return NULL;
return NULL;
static void test_mtab(void) {
free(p);
"Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
static void test_usr(void) {
log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
static void test_cgroups(void) {
"Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information.");
bool reexecute = false;
bool skip_setup = false;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
#ifdef HAVE_SYSV_COMPAT
skip_setup = true;
skip_setup = false;
log_show_location(false);
if (in_initrd()) {
if (rd_timestamp) {
if (!skip_setup) {
goto finish;
if (ima_setup() < 0)
goto finish;
log_open();
goto finish;
if (!skip_setup)
if (hwclock_is_localtime() > 0) {
int min;
log_open();
goto finish;
if (!arg_join_controllers)
goto finish;
if (!arg_join_controllers[0])
goto finish;
goto finish;
if (parse_config_file() < 0)
goto finish;
if (parse_proc_cmdline() < 0)
goto finish;
goto finish;
goto finish;
running_in_chroot() > 0) {
goto finish;
goto finish;
goto finish;
goto finish;
log_close();
if (serialization) {
goto finish;
#ifdef HAVE_SPLIT_USR
if (!in_initrd())
setsid();
umask(0);
log_open();
goto finish;
PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
locale_setup();
kmod_setup();
test_mtab();
test_usr();
test_cgroups();
goto finish;
goto finish;
goto finish;
#ifdef HAVE_SYSV_COMPAT
if (fds) {
if (serialization) {
if (queue_default_job) {
goto finish;
goto finish;
goto finish;
goto finish;
goto finish;
r = manager_loop(m);
goto finish;
switch (m->exit_code) {
case MANAGER_EXIT:
goto finish;
case MANAGER_RELOAD:
r = manager_reload(m);
case MANAGER_REEXECUTE:
goto finish;
reexecute = true;
goto finish;
case MANAGER_SWITCH_ROOT:
if (!switch_root_init)
goto finish;
reexecute = true;
goto finish;
case MANAGER_REBOOT:
case MANAGER_POWEROFF:
case MANAGER_HALT:
case MANAGER_KEXEC: {
goto finish;
manager_free(m);
for (j = 0; j < RLIMIT_NLIMITS; j++)
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
watchdog_close(true);
if (switch_root_dir) {
if (!switch_root_init) {
if (switch_root_dir)
if (serialization) {
if (fds) {
if (switch_root_init) {
if (serialization)
if (fds)
if (shutdown_verb) {
const char * command_line[] = {
char **env_block;
watchdog_close(false);
char_array_0(e);
watchdog_close(true);
freeze();
return retval;