/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include #include #include "sd-daemon.h" #include "build.h" #include "bus-util.h" #include "dissect-image.h" #include "install.h" #include "main-func.h" #include "mount-util.h" #include "output-mode.h" #include "pager.h" #include "parse-argument.h" #include "path-util.h" #include "pretty-print.h" #include "process-util.h" #include "reboot-util.h" #include "rlimit-util.h" #include "sigbus.h" #include "signal-util.h" #include "stat-util.h" #include "string-table.h" #include "systemctl-add-dependency.h" #include "systemctl-cancel-job.h" #include "systemctl-clean-or-freeze.h" #include "systemctl-compat-halt.h" #include "systemctl-compat-runlevel.h" #include "systemctl-compat-shutdown.h" #include "systemctl-compat-telinit.h" #include "systemctl-daemon-reload.h" #include "systemctl-edit.h" #include "systemctl-enable.h" #include "systemctl-is-active.h" #include "systemctl-is-enabled.h" #include "systemctl-is-system-running.h" #include "systemctl-kill.h" #include "systemctl-list-dependencies.h" #include "systemctl-list-jobs.h" #include "systemctl-list-machines.h" #include "systemctl-list-unit-files.h" #include "systemctl-list-units.h" #include "systemctl-log-setting.h" #include "systemctl-logind.h" #include "systemctl-mount.h" #include "systemctl-preset-all.h" #include "systemctl-reset-failed.h" #include "systemctl-service-watchdogs.h" #include "systemctl-set-default.h" #include "systemctl-set-environment.h" #include "systemctl-set-property.h" #include "systemctl-show.h" #include "systemctl-start-special.h" #include "systemctl-start-unit.h" #include "systemctl-switch-root.h" #include "systemctl-sysv-compat.h" #include "systemctl-trivial-method.h" #include "systemctl-util.h" #include "systemctl.h" #include "terminal-util.h" #include "time-util.h" #include "verbs.h" #include "virt.h" char **arg_types = NULL; char **arg_states = NULL; char **arg_properties = NULL; bool arg_all = false; enum dependency arg_dependency = DEPENDENCY_FORWARD; const char *_arg_job_mode = NULL; LookupScope arg_scope = LOOKUP_SCOPE_SYSTEM; bool arg_wait = false; bool arg_no_block = false; int arg_legend = -1; /* -1: true, unless --quiet is passed, 1: true */ PagerFlags arg_pager_flags = 0; bool arg_no_wtmp = false; bool arg_no_sync = false; bool arg_no_wall = false; bool arg_no_reload = false; BusPrintPropertyFlags arg_print_flags = 0; bool arg_show_types = false; int arg_check_inhibitors = -1; bool arg_dry_run = false; bool arg_quiet = false; bool arg_no_warn = false; bool arg_full = false; bool arg_recursive = false; bool arg_with_dependencies = false; bool arg_show_transaction = false; int arg_force = 0; bool arg_ask_password = false; bool arg_runtime = false; UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL; char **arg_wall = NULL; const char *arg_kill_whom = NULL; int arg_signal = SIGTERM; char *arg_root = NULL; char *arg_image = NULL; usec_t arg_when = 0; const char *arg_reboot_argument = NULL; enum action arg_action = ACTION_SYSTEMCTL; BusTransport arg_transport = BUS_TRANSPORT_LOCAL; const char *arg_host = NULL; unsigned arg_lines = 10; OutputMode arg_output = OUTPUT_SHORT; bool arg_plain = false; bool arg_firmware_setup = false; usec_t arg_boot_loader_menu = USEC_INFINITY; const char *arg_boot_loader_entry = NULL; bool arg_now = false; bool arg_jobs_before = false; bool arg_jobs_after = false; char **arg_clean_what = NULL; TimestampStyle arg_timestamp_style = TIMESTAMP_PRETTY; bool arg_read_only = false; bool arg_mkdir = false; bool arg_marked = false; const char *arg_drop_in = NULL; STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep); STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep); STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep); STATIC_DESTRUCTOR_REGISTER(_arg_job_mode, unsetp); STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep); STATIC_DESTRUCTOR_REGISTER(arg_kill_whom, unsetp); STATIC_DESTRUCTOR_REGISTER(arg_root, freep); STATIC_DESTRUCTOR_REGISTER(arg_image, freep); STATIC_DESTRUCTOR_REGISTER(arg_reboot_argument, unsetp); STATIC_DESTRUCTOR_REGISTER(arg_host, unsetp); STATIC_DESTRUCTOR_REGISTER(arg_boot_loader_entry, unsetp); STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep); STATIC_DESTRUCTOR_REGISTER(arg_drop_in, unsetp); static int systemctl_help(void) { _cleanup_free_ char *link = NULL; int r; pager_open(arg_pager_flags); r = terminal_urlify_man("systemctl", "1", &link); if (r < 0) return log_oom(); printf("%1$s [OPTIONS...] COMMAND ...\n\n" "%5$sQuery or send control commands to the system manager.%6$s\n" "\n%3$sUnit Commands:%4$s\n" " list-units [PATTERN...] List units currently in memory\n" " list-automounts [PATTERN...] List automount units currently in memory,\n" " ordered by path\n" " list-sockets [PATTERN...] List socket units currently in memory,\n" " ordered by address\n" " list-timers [PATTERN...] List timer units currently in memory,\n" " ordered by next elapse\n" " is-active PATTERN... Check whether units are active\n" " is-failed PATTERN... Check whether units are failed\n" " status [PATTERN...|PID...] Show runtime status of one or more units\n" " show [PATTERN...|JOB...] Show properties of one or more\n" " units/jobs or the manager\n" " cat PATTERN... Show files and drop-ins of specified units\n" " help PATTERN...|PID... Show manual for one or more units\n" " list-dependencies [UNIT...] Recursively show units which are required\n" " or wanted by the units or by which those\n" " units are required or wanted\n" " start UNIT... Start (activate) one or more units\n" " stop UNIT... Stop (deactivate) one or more units\n" " reload UNIT... Reload one or more units\n" " restart UNIT... Start or restart one or more units\n" " try-restart UNIT... Restart one or more units if active\n" " reload-or-restart UNIT... Reload one or more units if possible,\n" " otherwise start or restart\n" " try-reload-or-restart UNIT... If active, reload one or more units,\n" " if supported, otherwise restart\n" " isolate UNIT Start one unit and stop all others\n" " kill UNIT... Send signal to processes of a unit\n" " clean UNIT... Clean runtime, cache, state, logs or\n" " configuration of unit\n" " freeze PATTERN... Freeze execution of unit processes\n" " thaw PATTERN... Resume execution of a frozen unit\n" " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n" " bind UNIT PATH [PATH] Bind-mount a path from the host into a\n" " unit's namespace\n" " mount-image UNIT PATH [PATH [OPTS]] Mount an image from the host into a\n" " unit's namespace\n" " service-log-level SERVICE [LEVEL] Get/set logging threshold for service\n" " service-log-target SERVICE [TARGET] Get/set logging target for service\n" " reset-failed [PATTERN...] Reset failed state for all, one, or more\n" " units" "\n%3$sUnit File Commands:%4$s\n" " list-unit-files [PATTERN...] List installed unit files\n" " enable [UNIT...|PATH...] Enable one or more unit files\n" " disable UNIT... Disable one or more unit files\n" " reenable UNIT... Reenable one or more unit files\n" " preset UNIT... Enable/disable one or more unit files\n" " based on preset configuration\n" " preset-all Enable/disable all unit files based on\n" " preset configuration\n" " is-enabled UNIT... Check whether unit files are enabled\n" " mask UNIT... Mask one or more units\n" " unmask UNIT... Unmask one or more units\n" " link PATH... Link one or more units files into\n" " the search path\n" " revert UNIT... Revert one or more unit files to vendor\n" " version\n" " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n" " on specified one or more units\n" " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n" " on specified one or more units\n" " edit UNIT... Edit one or more unit files\n" " get-default Get the name of the default target\n" " set-default TARGET Set the default target\n" "\n%3$sMachine Commands:%4$s\n" " list-machines [PATTERN...] List local containers and host\n" "\n%3$sJob Commands:%4$s\n" " list-jobs [PATTERN...] List jobs\n" " cancel [JOB...] Cancel all, one, or more jobs\n" "\n%3$sEnvironment Commands:%4$s\n" " show-environment Dump environment\n" " set-environment VARIABLE=VALUE... Set one or more environment variables\n" " unset-environment VARIABLE... Unset one or more environment variables\n" " import-environment VARIABLE... Import all or some environment variables\n" "\n%3$sManager State Commands:%4$s\n" " daemon-reload Reload systemd manager configuration\n" " daemon-reexec Reexecute systemd manager\n" " log-level [LEVEL] Get/set logging threshold for manager\n" " log-target [TARGET] Get/set logging target for manager\n" " service-watchdogs [BOOL] Get/set service watchdog state\n" "\n%3$sSystem Commands:%4$s\n" " is-system-running Check whether system is fully running\n" " default Enter system default mode\n" " rescue Enter system rescue mode\n" " emergency Enter system emergency mode\n" " halt Shut down and halt the system\n" " poweroff Shut down and power-off the system\n" " reboot Shut down and reboot the system\n" " kexec Shut down and reboot the system with kexec\n" " exit [EXIT_CODE] Request user instance or container exit\n" " switch-root ROOT [INIT] Change to a different root file system\n" " suspend Suspend the system\n" " hibernate Hibernate the system\n" " hybrid-sleep Hibernate and suspend the system\n" " suspend-then-hibernate Suspend the system, wake after a period of\n" " time, and hibernate" "\n%3$sOptions:%4$s\n" " -h --help Show this help\n" " --version Show package version\n" " --system Connect to system manager\n" " --user Connect to user service manager\n" " -H --host=[USER@]HOST Operate on remote host\n" " -M --machine=CONTAINER Operate on a local container\n" " -t --type=TYPE List units of a particular type\n" " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n" " --failed Shortcut for --state=failed\n" " -p --property=NAME Show only properties by this name\n" " -P NAME Equivalent to --value --property=NAME\n" " -a --all Show all properties/all units currently in memory,\n" " including dead/empty ones. To list all units installed\n" " on the system, use 'list-unit-files' instead.\n" " -l --full Don't ellipsize unit names on output\n" " -r --recursive Show unit list of host and local containers\n" " --reverse Show reverse dependencies with 'list-dependencies'\n" " --with-dependencies Show unit dependencies with 'status', 'cat',\n" " 'list-units', and 'list-unit-files'.\n" " --job-mode=MODE Specify how to deal with already queued jobs, when\n" " queueing a new job\n" " -T --show-transaction When enqueuing a unit job, show full transaction\n" " --show-types When showing sockets, explicitly show their type\n" " --value When showing properties, only print the value\n" " --check-inhibitors=MODE\n" " Whether to check inhibitors before shutting down,\n" " sleeping, or hibernating\n" " -i Shortcut for --check-inhibitors=no\n" " --kill-whom=WHOM Whom to send signal to\n" " -s --signal=SIGNAL Which signal to send\n" " --what=RESOURCES Which types of resources to remove\n" " --now Start or stop unit after enabling or disabling it\n" " --dry-run Only print what would be done\n" " Currently supported by verbs: halt, poweroff, reboot,\n" " kexec, suspend, hibernate, suspend-then-hibernate,\n" " hybrid-sleep, default, rescue, emergency, and exit.\n" " -q --quiet Suppress output\n" " --no-warn Don't generate warning when trying to enable/disable\n" " units without install information\n" " --wait For (re)start, wait until service stopped again\n" " For is-system-running, wait until startup is completed\n" " --no-block Do not wait until operation finished\n" " --no-wall Don't send wall message before halt/power-off/reboot\n" " --no-reload Don't reload daemon after en-/dis-abling unit files\n" " --legend=BOOL Enable/disable the legend (column headers and hints)\n" " --no-pager Do not pipe output into a pager\n" " --no-ask-password Do not ask for system passwords\n" " --global Edit/enable/disable/mask default user unit files\n" " globally\n" " --runtime Edit/enable/disable/mask unit files temporarily until\n" " next reboot\n" " -f --force When enabling unit files, override existing symlinks\n" " When shutting down, execute action immediately\n" " --preset-mode= Apply only enable, only disable, or all presets\n" " --root=PATH Edit/enable/disable/mask unit files in the specified\n" " root directory\n" " --image=PATH Edit/enable/disable/mask unit files in the specified\n" " image\n" " -n --lines=INTEGER Number of journal entries to show\n" " -o --output=STRING Change journal output mode (short, short-precise,\n" " short-iso, short-iso-precise, short-full,\n" " short-monotonic, short-unix, short-delta,\n" " verbose, export, json, json-pretty, json-sse, cat)\n" " --firmware-setup Tell the firmware to show the setup menu on next boot\n" " --boot-loader-menu=TIME\n" " Boot into boot loader menu on next boot\n" " --boot-loader-entry=NAME\n" " Boot into a specific boot loader entry on next boot\n" " --plain Print unit dependencies as a list instead of a tree\n" " --timestamp=FORMAT Change format of printed timestamps (pretty, unix,\n" " us, utc, us+utc)\n" " --read-only Create read-only bind mount\n" " --mkdir Create directory before mounting, if missing\n" " --marked Restart/reload previously marked units\n" " --drop-in=NAME Edit unit files using the specified drop-in file name\n" "\nSee the %2$s for details.\n", program_invocation_short_name, link, ansi_underline(), ansi_normal(), ansi_highlight(), ansi_normal()); return 0; } static void help_types(void) { if (arg_legend != 0) puts("Available unit types:"); DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX); } static void help_states(void) { if (arg_legend != 0) puts("Available unit load states:"); DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX); if (arg_legend != 0) puts("\nAvailable unit active states:"); DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable unit file states:"); DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable automount unit substates:"); DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX); if (arg_legend != 0) puts("\nAvailable device unit substates:"); DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable mount unit substates:"); DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX); if (arg_legend != 0) puts("\nAvailable path unit substates:"); DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX); if (arg_legend != 0) puts("\nAvailable scope unit substates:"); DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable service unit substates:"); DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable slice unit substates:"); DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX); if (arg_legend != 0) puts("\nAvailable socket unit substates:"); DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX); if (arg_legend != 0) puts("\nAvailable swap unit substates:"); DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX); if (arg_legend != 0) puts("\nAvailable target unit substates:"); DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX); if (arg_legend != 0) puts("\nAvailable timer unit substates:"); DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX); } static int systemctl_parse_argv(int argc, char *argv[]) { enum { ARG_FAIL = 0x100, /* compatibility only */ ARG_REVERSE, ARG_AFTER, ARG_BEFORE, ARG_CHECK_INHIBITORS, ARG_DRY_RUN, ARG_SHOW_TYPES, ARG_IRREVERSIBLE, /* compatibility only */ ARG_IGNORE_DEPENDENCIES, /* compatibility only */ ARG_VALUE, ARG_VERSION, ARG_USER, ARG_SYSTEM, ARG_GLOBAL, ARG_NO_BLOCK, ARG_LEGEND, ARG_NO_LEGEND, /* compatibility only */ ARG_NO_PAGER, ARG_NO_WALL, ARG_ROOT, ARG_IMAGE, ARG_NO_RELOAD, ARG_KILL_WHOM, ARG_NO_ASK_PASSWORD, ARG_FAILED, ARG_RUNTIME, ARG_PLAIN, ARG_STATE, ARG_JOB_MODE, ARG_PRESET_MODE, ARG_FIRMWARE_SETUP, ARG_BOOT_LOADER_MENU, ARG_BOOT_LOADER_ENTRY, ARG_NOW, ARG_MESSAGE, ARG_WITH_DEPENDENCIES, ARG_WAIT, ARG_WHAT, ARG_REBOOT_ARG, ARG_TIMESTAMP_STYLE, ARG_READ_ONLY, ARG_MKDIR, ARG_MARKED, ARG_NO_WARN, ARG_DROP_IN, }; static const struct option options[] = { { "help", no_argument, NULL, 'h' }, { "version", no_argument, NULL, ARG_VERSION }, { "type", required_argument, NULL, 't' }, { "property", required_argument, NULL, 'p' }, { "all", no_argument, NULL, 'a' }, { "reverse", no_argument, NULL, ARG_REVERSE }, { "after", no_argument, NULL, ARG_AFTER }, { "before", no_argument, NULL, ARG_BEFORE }, { "show-types", no_argument, NULL, ARG_SHOW_TYPES }, { "failed", no_argument, NULL, ARG_FAILED }, { "full", no_argument, NULL, 'l' }, { "job-mode", required_argument, NULL, ARG_JOB_MODE }, { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */ { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ { "ignore-inhibitors", no_argument, NULL, 'i' }, /* compatibility only */ { "check-inhibitors", required_argument, NULL, ARG_CHECK_INHIBITORS }, { "value", no_argument, NULL, ARG_VALUE }, { "user", no_argument, NULL, ARG_USER }, { "system", no_argument, NULL, ARG_SYSTEM }, { "global", no_argument, NULL, ARG_GLOBAL }, { "wait", no_argument, NULL, ARG_WAIT }, { "no-block", no_argument, NULL, ARG_NO_BLOCK }, { "legend", required_argument, NULL, ARG_LEGEND }, { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, /* compatibility only */ { "no-pager", no_argument, NULL, ARG_NO_PAGER }, { "no-wall", no_argument, NULL, ARG_NO_WALL }, { "dry-run", no_argument, NULL, ARG_DRY_RUN }, { "quiet", no_argument, NULL, 'q' }, { "no-warn", no_argument, NULL, ARG_NO_WARN }, { "root", required_argument, NULL, ARG_ROOT }, { "image", required_argument, NULL, ARG_IMAGE }, { "force", no_argument, NULL, 'f' }, { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, { "kill-whom", required_argument, NULL, ARG_KILL_WHOM }, { "signal", required_argument, NULL, 's' }, { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, { "host", required_argument, NULL, 'H' }, { "machine", required_argument, NULL, 'M' }, { "runtime", no_argument, NULL, ARG_RUNTIME }, { "lines", required_argument, NULL, 'n' }, { "output", required_argument, NULL, 'o' }, { "plain", no_argument, NULL, ARG_PLAIN }, { "state", required_argument, NULL, ARG_STATE }, { "recursive", no_argument, NULL, 'r' }, { "with-dependencies", no_argument, NULL, ARG_WITH_DEPENDENCIES }, { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP }, { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU }, { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY }, { "now", no_argument, NULL, ARG_NOW }, { "message", required_argument, NULL, ARG_MESSAGE }, { "show-transaction", no_argument, NULL, 'T' }, { "what", required_argument, NULL, ARG_WHAT }, { "reboot-argument", required_argument, NULL, ARG_REBOOT_ARG }, { "timestamp", required_argument, NULL, ARG_TIMESTAMP_STYLE }, { "read-only", no_argument, NULL, ARG_READ_ONLY }, { "mkdir", no_argument, NULL, ARG_MKDIR }, { "marked", no_argument, NULL, ARG_MARKED }, { "drop-in", required_argument, NULL, ARG_DROP_IN }, {} }; int c, r; assert(argc >= 0); assert(argv); /* We default to allowing interactive authorization only in systemctl (not in the legacy commands) */ arg_ask_password = true; while ((c = getopt_long(argc, argv, "ht:p:P:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0) switch (c) { case 'h': return systemctl_help(); case ARG_VERSION: return version(); case 't': if (isempty(optarg)) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--type= requires arguments."); for (const char *p = optarg;;) { _cleanup_free_ char *type = NULL; r = extract_first_word(&p, &type, ",", 0); if (r < 0) return log_error_errno(r, "Failed to parse type: %s", optarg); if (r == 0) break; if (streq(type, "help")) { help_types(); return 0; } if (unit_type_from_string(type) >= 0) { if (strv_consume(&arg_types, TAKE_PTR(type)) < 0) return log_oom(); continue; } /* It's much nicer to use --state= for load states, but let's support this in * --types= too for compatibility with old versions */ if (unit_load_state_from_string(type) >= 0) { if (strv_consume(&arg_states, TAKE_PTR(type)) < 0) return log_oom(); continue; } log_error("Unknown unit type or load state '%s'.", type); return log_info_errno(SYNTHETIC_ERRNO(EINVAL), "Use -t help to see a list of allowed values."); } break; case 'P': SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true); _fallthrough_; case 'p': /* Make sure that if the empty property list was specified, we won't show any properties. */ if (isempty(optarg) && !arg_properties) { arg_properties = new0(char*, 1); if (!arg_properties) return log_oom(); } else for (const char *p = optarg;;) { _cleanup_free_ char *prop = NULL; r = extract_first_word(&p, &prop, ",", 0); if (r < 0) return log_error_errno(r, "Failed to parse property: %s", optarg); if (r == 0) break; if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0) return log_oom(); } /* If the user asked for a particular property, show it, even if it is empty. */ SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true); break; case 'a': SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true); arg_all = true; break; case ARG_REVERSE: arg_dependency = DEPENDENCY_REVERSE; break; case ARG_AFTER: arg_dependency = DEPENDENCY_AFTER; arg_jobs_after = true; break; case ARG_BEFORE: arg_dependency = DEPENDENCY_BEFORE; arg_jobs_before = true; break; case ARG_SHOW_TYPES: arg_show_types = true; break; case ARG_VALUE: SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true); break; case ARG_JOB_MODE: _arg_job_mode = optarg; break; case ARG_FAIL: _arg_job_mode = "fail"; break; case ARG_IRREVERSIBLE: _arg_job_mode = "replace-irreversibly"; break; case ARG_IGNORE_DEPENDENCIES: _arg_job_mode = "ignore-dependencies"; break; case ARG_USER: arg_scope = LOOKUP_SCOPE_USER; break; case ARG_SYSTEM: arg_scope = LOOKUP_SCOPE_SYSTEM; break; case ARG_GLOBAL: arg_scope = LOOKUP_SCOPE_GLOBAL; break; case ARG_WAIT: arg_wait = true; break; case ARG_NO_BLOCK: arg_no_block = true; break; case ARG_NO_LEGEND: arg_legend = false; break; case ARG_LEGEND: r = parse_boolean_argument("--legend", optarg, NULL); if (r < 0) return r; arg_legend = r; break; case ARG_NO_PAGER: arg_pager_flags |= PAGER_DISABLE; break; case ARG_NO_WALL: arg_no_wall = true; break; case ARG_ROOT: r = parse_path_argument(optarg, false, &arg_root); if (r < 0) return r; break; case ARG_IMAGE: r = parse_path_argument(optarg, false, &arg_image); if (r < 0) return r; break; case 'l': arg_full = true; break; case ARG_FAILED: if (strv_extend(&arg_states, "failed") < 0) return log_oom(); break; case ARG_DRY_RUN: arg_dry_run = true; break; case 'q': arg_quiet = true; if (arg_legend < 0) arg_legend = false; break; case 'f': arg_force++; break; case ARG_NO_RELOAD: arg_no_reload = true; break; case ARG_KILL_WHOM: arg_kill_whom = optarg; break; case 's': r = parse_signal_argument(optarg, &arg_signal); if (r <= 0) return r; break; case ARG_NO_ASK_PASSWORD: arg_ask_password = false; break; case 'H': arg_transport = BUS_TRANSPORT_REMOTE; arg_host = optarg; break; case 'M': arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; case ARG_RUNTIME: arg_runtime = true; break; case 'n': if (safe_atou(optarg, &arg_lines) < 0) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse lines '%s'", optarg); break; case 'o': if (streq(optarg, "help")) { DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX); return 0; } arg_output = output_mode_from_string(optarg); if (arg_output < 0) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Unknown output '%s'.", optarg); if (OUTPUT_MODE_IS_JSON(arg_output)) { arg_legend = false; arg_plain = true; } break; case 'i': arg_check_inhibitors = 0; break; case ARG_CHECK_INHIBITORS: if (streq(optarg, "auto")) arg_check_inhibitors = -1; else { r = parse_boolean(optarg); if (r < 0) return log_error_errno(r, "Failed to parse --check-inhibitors= argument: %s", optarg); arg_check_inhibitors = r; } break; case ARG_PLAIN: arg_plain = true; break; case ARG_FIRMWARE_SETUP: arg_firmware_setup = true; break; case ARG_BOOT_LOADER_MENU: r = parse_sec(optarg, &arg_boot_loader_menu); if (r < 0) return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg); break; case ARG_BOOT_LOADER_ENTRY: if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */ r = help_boot_loader_entry(); if (r < 0) return r; return 0; } arg_boot_loader_entry = empty_to_null(optarg); break; case ARG_STATE: if (isempty(optarg)) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--state= requires arguments."); for (const char *p = optarg;;) { _cleanup_free_ char *s = NULL; r = extract_first_word(&p, &s, ",", 0); if (r < 0) return log_error_errno(r, "Failed to parse state: %s", optarg); if (r == 0) break; if (streq(s, "help")) { help_states(); return 0; } if (strv_consume(&arg_states, TAKE_PTR(s)) < 0) return log_oom(); } break; case 'r': if (geteuid() != 0) return log_error_errno(SYNTHETIC_ERRNO(EPERM), "--recursive requires root privileges."); arg_recursive = true; break; case ARG_PRESET_MODE: if (streq(optarg, "help")) { DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MODE_MAX); return 0; } arg_preset_mode = unit_file_preset_mode_from_string(optarg); if (arg_preset_mode < 0) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse preset mode: %s.", optarg); break; case ARG_NOW: arg_now = true; break; case ARG_MESSAGE: if (strv_extend(&arg_wall, optarg) < 0) return log_oom(); break; case 'T': arg_show_transaction = true; break; case ARG_WITH_DEPENDENCIES: arg_with_dependencies = true; break; case ARG_WHAT: if (isempty(optarg)) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments."); for (const char *p = optarg;;) { _cleanup_free_ char *k = NULL; r = extract_first_word(&p, &k, ",", 0); if (r < 0) return log_error_errno(r, "Failed to parse directory type: %s", optarg); if (r == 0) break; if (streq(k, "help")) { puts("runtime\n" "state\n" "cache\n" "logs\n" "configuration"); return 0; } r = strv_consume(&arg_clean_what, TAKE_PTR(k)); if (r < 0) return log_oom(); } break; case ARG_REBOOT_ARG: arg_reboot_argument = optarg; break; case ARG_TIMESTAMP_STYLE: if (streq(optarg, "help")) { DUMP_STRING_TABLE(timestamp_style, TimestampStyle, _TIMESTAMP_STYLE_MAX); return 0; } arg_timestamp_style = timestamp_style_from_string(optarg); if (arg_timestamp_style < 0) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid value: %s.", optarg); break; case ARG_READ_ONLY: arg_read_only = true; break; case ARG_MKDIR: arg_mkdir = true; break; case ARG_MARKED: arg_marked = true; break; case ARG_NO_WARN: arg_no_warn = true; break; case ARG_DROP_IN: arg_drop_in = optarg; break; case '.': /* Output an error mimicking getopt, and print a hint afterwards */ log_error("%s: invalid option -- '.'", program_invocation_name); log_notice("Hint: to specify units starting with a dash, use \"--\":\n" " %s [OPTIONS...] COMMAND -- -.%s ...", program_invocation_name, optarg ?: "mount"); _fallthrough_; case '?': return -EINVAL; default: assert_not_reached(); } /* If we are in --user mode, there's no point in talking to PolicyKit or the infra to query system * passwords */ if (arg_scope != LOOKUP_SCOPE_SYSTEM) arg_ask_password = false; if (arg_transport == BUS_TRANSPORT_REMOTE && arg_scope != LOOKUP_SCOPE_SYSTEM) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot access user instance remotely."); if (arg_wait && arg_no_block) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--wait may not be combined with --no-block."); bool do_reload_or_restart = streq_ptr(argv[optind], "reload-or-restart"); if (arg_marked) { if (!do_reload_or_restart) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--marked may only be used with 'reload-or-restart'."); if (optind + 1 < argc) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "No additional arguments allowed with 'reload-or-restart --marked'."); if (arg_wait) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--marked --wait is not supported."); if (arg_show_transaction) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--marked --show-transaction is not supported."); } else if (do_reload_or_restart) { if (optind + 1 >= argc) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "List of units to restart/reload is required."); } if (arg_image && arg_root) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Please specify either --root= or --image=, the combination of both is not supported."); return 1; } int systemctl_dispatch_parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); if (invoked_as(argv, "halt")) { arg_action = ACTION_HALT; return halt_parse_argv(argc, argv); } else if (invoked_as(argv, "poweroff")) { arg_action = ACTION_POWEROFF; return halt_parse_argv(argc, argv); } else if (invoked_as(argv, "reboot")) { if (kexec_loaded()) arg_action = ACTION_KEXEC; else arg_action = ACTION_REBOOT; return halt_parse_argv(argc, argv); } else if (invoked_as(argv, "shutdown")) { arg_action = ACTION_POWEROFF; return shutdown_parse_argv(argc, argv); } else if (invoked_as(argv, "init")) { /* Matches invocations as "init" as well as "telinit", which are synonymous when run * as PID != 1 on SysV. * * On SysV "telinit" was the official command to communicate with PID 1, but "init" would * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still, * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, * for us if you invoke "init" you get "systemd", but it will execve() "systemctl" * immediately with argv[] unmodified if PID is != 1. If you invoke "telinit" you directly * get "systemctl". In both cases we shall do the same thing, which is why we do * invoked_as(argv, "init") here, as a quick way to match both. * * Also see redirect_telinit() in src/core/main.c. */ if (sd_booted() > 0) { arg_action = _ACTION_INVALID; return telinit_parse_argv(argc, argv); } else { /* Hmm, so some other init system is running, we need to forward this request to it. */ arg_action = ACTION_TELINIT; return 1; } } else if (invoked_as(argv, "runlevel")) { arg_action = ACTION_RUNLEVEL; return runlevel_parse_argv(argc, argv); } arg_action = ACTION_SYSTEMCTL; return systemctl_parse_argv(argc, argv); } #ifndef FUZZ_SYSTEMCTL_PARSE_ARGV static int systemctl_main(int argc, char *argv[]) { static const Verb verbs[] = { { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, verb_list_units }, { "list-unit-files", VERB_ANY, VERB_ANY, 0, verb_list_unit_files }, { "list-automounts", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_automounts }, { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_sockets }, { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_timers }, { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_jobs }, { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_machines }, { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_trivial_method }, { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_cancel }, { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with ALTLinux */ { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "reload-or-restart", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with old systemctl <= 228 */ { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with SysV */ { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with ALTLinux */ { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with RH */ { "isolate", 2, 2, VERB_ONLINE_ONLY, verb_start }, { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_kill }, { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze }, { "freeze", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze }, { "thaw", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze }, { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_active }, { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_active }, /* deprecated alias of is-active */ { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_failed }, { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show }, { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_cat }, { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show }, { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show }, { "daemon-reload", 1, 1, VERB_ONLINE_ONLY, verb_daemon_reload }, { "daemon-reexec", 1, 1, VERB_ONLINE_ONLY, verb_daemon_reload }, { "log-level", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_log_setting }, { "log-target", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_log_setting }, { "service-log-level", 2, 3, VERB_ONLINE_ONLY, verb_service_log_setting }, { "service-log-target", 2, 3, VERB_ONLINE_ONLY, verb_service_log_setting }, { "service-watchdogs", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_service_watchdogs }, { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_show_environment }, { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_set_environment }, { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_set_environment }, { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_import_environment }, { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "reboot", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_special }, { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special }, { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_start_special }, { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_reset_failed }, { "enable", 2, VERB_ANY, 0, verb_enable }, { "disable", 2, VERB_ANY, 0, verb_enable }, { "is-enabled", 2, VERB_ANY, 0, verb_is_enabled }, { "reenable", 2, VERB_ANY, 0, verb_enable }, { "preset", 2, VERB_ANY, 0, verb_enable }, { "preset-all", VERB_ANY, 1, 0, verb_preset_all }, { "mask", 2, VERB_ANY, 0, verb_enable }, { "unmask", 2, VERB_ANY, 0, verb_enable }, { "link", 2, VERB_ANY, 0, verb_enable }, { "revert", 2, VERB_ANY, 0, verb_enable }, { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_switch_root }, { "list-dependencies", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_dependencies }, { "set-default", 2, 2, 0, verb_set_default }, { "get-default", VERB_ANY, 1, 0, verb_get_default }, { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, verb_set_property }, { "is-system-running", VERB_ANY, 1, 0, verb_is_system_running }, { "add-wants", 3, VERB_ANY, 0, verb_add_dependency }, { "add-requires", 3, VERB_ANY, 0, verb_add_dependency }, { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_edit }, { "bind", 3, 4, VERB_ONLINE_ONLY, verb_bind }, { "mount-image", 4, 5, VERB_ONLINE_ONLY, verb_mount_image }, {} }; const Verb *verb = verbs_find_verb(argv[optind], verbs); if (verb && (verb->flags & VERB_ONLINE_ONLY) && arg_root) return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Verb '%s' cannot be used with --root= or --image=.", argv[optind] ?: verb->verb); return dispatch_verb(argc, argv, verbs, NULL); } static int run(int argc, char *argv[]) { _cleanup_(loop_device_unrefp) LoopDevice *loop_device = NULL; _cleanup_(umount_and_rmdir_and_freep) char *mounted_dir = NULL; int r; setlocale(LC_ALL, ""); log_setup(); /* The journal merging logic potentially needs a lot of fds. */ (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); sigbus_install(); r = systemctl_dispatch_parse_argv(argc, argv); if (r <= 0) goto finish; if (proc_mounted() == 0) log_warning("%s%s/proc/ is not mounted. This is not a supported mode of operation. Please fix\n" "your invocation environment to mount /proc/ and /sys/ properly. Proceeding anyway.\n" "Your mileage may vary.", emoji_enabled() ? special_glyph(SPECIAL_GLYPH_WARNING_SIGN) : "", emoji_enabled() ? " " : ""); if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) { if (!arg_quiet) log_info("Running in chroot, ignoring request."); r = 0; goto finish; } /* systemctl_main() will print an error message for the bus connection, but only if it needs to */ if (arg_image) { assert(!arg_root); r = mount_image_privately_interactively( arg_image, DISSECT_IMAGE_GENERIC_ROOT | DISSECT_IMAGE_REQUIRE_ROOT | DISSECT_IMAGE_RELAX_VAR_CHECK | DISSECT_IMAGE_VALIDATE_OS, &mounted_dir, &loop_device); if (r < 0) return r; arg_root = strdup(mounted_dir); if (!arg_root) return log_oom(); } switch (arg_action) { case ACTION_SYSTEMCTL: r = systemctl_main(argc, argv); break; /* Legacy command aliases set arg_action. They provide some fallbacks, e.g. to tell sysvinit to * reboot after you have installed systemd binaries. */ case ACTION_HALT: case ACTION_POWEROFF: case ACTION_REBOOT: case ACTION_KEXEC: r = halt_main(); break; case ACTION_RUNLEVEL2: case ACTION_RUNLEVEL3: case ACTION_RUNLEVEL4: case ACTION_RUNLEVEL5: case ACTION_RESCUE: r = start_with_fallback(); break; case ACTION_RELOAD: case ACTION_REEXEC: r = reload_with_fallback(); break; case ACTION_CANCEL_SHUTDOWN: r = logind_cancel_shutdown(); break; case ACTION_SHOW_SHUTDOWN: r = logind_show_shutdown(); break; case ACTION_RUNLEVEL: r = runlevel_main(); break; case ACTION_TELINIT: r = exec_telinit(argv); break; case ACTION_EXIT: case ACTION_SUSPEND: case ACTION_HIBERNATE: case ACTION_HYBRID_SLEEP: case ACTION_SUSPEND_THEN_HIBERNATE: case ACTION_EMERGENCY: case ACTION_DEFAULT: /* systemctl verbs with no equivalent in the legacy commands. These cannot appear in * arg_action. Fall through. */ case _ACTION_INVALID: default: assert_not_reached(); } finish: release_busses(); /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */ return r; } DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); #endif