| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <getopt.h> |
| #include <locale.h> |
| #include <unistd.h> |
| |
| #include "sd-daemon.h" |
| |
| #include "bus-util.h" |
| #include "install.h" |
| #include "main-func.h" |
| #include "output-mode.h" |
| #include "pager.h" |
| #include "path-util.h" |
| #include "pretty-print.h" |
| #include "rlimit-util.h" |
| #include "sigbus.h" |
| #include "signal-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-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 = "replace"; |
| UnitFileScope arg_scope = UNIT_FILE_SYSTEM; |
| bool arg_wait = false; |
| bool arg_no_block = false; |
| bool arg_no_legend = false; |
| 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; |
| bool arg_value = false; |
| bool arg_show_types = false; |
| bool arg_ignore_inhibitors = false; |
| bool arg_dry_run = false; |
| bool arg_quiet = 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_who = NULL; |
| int arg_signal = SIGTERM; |
| char *arg_root = 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; |
| |
| STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep); |
| STATIC_DESTRUCTOR_REGISTER(arg_root, freep); |
| 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_clean_what, strv_freep); |
| |
| static int systemctl_help(void) { |
| _cleanup_free_ char *link = NULL; |
| int r; |
| |
| (void) 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-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" |
| " 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" |
| " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\n" |
| " --kill-who=WHO 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" |
| " --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" |
| " --no-legend Do not print a 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 Enable/disable/mask unit files globally\n" |
| " --runtime Enable/disable/mask unit files temporarily until next\n" |
| " 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 Enable/disable/mask unit files in the specified root\n" |
| " directory\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,\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.\n" |
| " 'pretty' (default): 'Day YYYY-MM-DD HH:MM:SS TZ\n" |
| " 'us': 'Day YYYY-MM-DD HH:MM:SS.UUUUUU TZ\n" |
| " 'utc': 'Day YYYY-MM-DD HH:MM:SS UTC\n" |
| " 'us+utc': 'Day YYYY-MM-DD HH:MM:SS.UUUUUU UTC\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_no_legend) |
| puts("Available unit types:"); |
| |
| DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX); |
| } |
| |
| static void help_states(void) { |
| if (!arg_no_legend) |
| puts("Available unit load states:"); |
| DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable unit active states:"); |
| DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable unit file states:"); |
| DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable automount unit substates:"); |
| DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable device unit substates:"); |
| DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable mount unit substates:"); |
| DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable path unit substates:"); |
| DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable scope unit substates:"); |
| DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable service unit substates:"); |
| DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable slice unit substates:"); |
| DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable socket unit substates:"); |
| DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable swap unit substates:"); |
| DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX); |
| |
| if (!arg_no_legend) |
| puts("\nAvailable target unit substates:"); |
| DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX); |
| |
| if (!arg_no_legend) |
| 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, |
| ARG_REVERSE, |
| ARG_AFTER, |
| ARG_BEFORE, |
| ARG_DRY_RUN, |
| ARG_SHOW_TYPES, |
| ARG_IRREVERSIBLE, |
| ARG_IGNORE_DEPENDENCIES, |
| ARG_VALUE, |
| ARG_VERSION, |
| ARG_USER, |
| ARG_SYSTEM, |
| ARG_GLOBAL, |
| ARG_NO_BLOCK, |
| ARG_NO_LEGEND, |
| ARG_NO_PAGER, |
| ARG_NO_WALL, |
| ARG_ROOT, |
| ARG_NO_RELOAD, |
| ARG_KILL_WHO, |
| 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, |
| }; |
| |
| 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 }, /* compatibility only */ |
| { "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' }, |
| { "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 }, |
| { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
| { "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' }, |
| { "root", required_argument, NULL, ARG_ROOT }, |
| { "force", no_argument, NULL, 'f' }, |
| { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, |
| { "kill-who", required_argument, NULL, ARG_KILL_WHO }, |
| { "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 }, |
| {} |
| }; |
| |
| 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': { |
| const char *p; |
| |
| if (isempty(optarg)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "--type= requires arguments."); |
| |
| for (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': |
| arg_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 { |
| const char *p; |
| |
| for (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. */ |
| arg_all = true; |
| |
| break; |
| |
| case 'a': |
| 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: |
| arg_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 = UNIT_FILE_USER; |
| break; |
| |
| case ARG_SYSTEM: |
| arg_scope = UNIT_FILE_SYSTEM; |
| break; |
| |
| case ARG_GLOBAL: |
| arg_scope = UNIT_FILE_GLOBAL; |
| break; |
| |
| case ARG_WAIT: |
| arg_wait = true; |
| break; |
| |
| case ARG_NO_BLOCK: |
| arg_no_block = true; |
| break; |
| |
| case ARG_NO_LEGEND: |
| arg_no_legend = true; |
| 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_and_warn(optarg, false, &arg_root); |
| 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; |
| break; |
| |
| case 'f': |
| arg_force++; |
| break; |
| |
| case ARG_NO_RELOAD: |
| arg_no_reload = true; |
| break; |
| |
| case ARG_KILL_WHO: |
| arg_kill_who = optarg; |
| break; |
| |
| case 's': |
| if (streq(optarg, "help")) { |
| DUMP_STRING_TABLE(signal, int, _NSIG); |
| return 0; |
| } |
| |
| arg_signal = signal_from_string(optarg); |
| if (arg_signal < 0) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "Failed to parse signal string %s.", |
| optarg); |
| 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_no_legend = true; |
| arg_plain = true; |
| } |
| break; |
| |
| case 'i': |
| arg_ignore_inhibitors = true; |
| 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: { |
| const char *p; |
| |
| if (isempty(optarg)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), |
| "--state= requires arguments."); |
| |
| for (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_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: { |
| const char *p; |
| |
| if (isempty(optarg)) |
| return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments."); |
| |
| for (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 '.': |
| /* 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("Unhandled option"); |
| } |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_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."); |
| |
| return 1; |
| } |
| |
| static int parse_argv(int argc, char *argv[]) { |
| assert(argc >= 0); |
| assert(argv); |
| |
| if (program_invocation_short_name) { |
| |
| if (strstr(program_invocation_short_name, "halt")) { |
| arg_action = ACTION_HALT; |
| return halt_parse_argv(argc, argv); |
| |
| } else if (strstr(program_invocation_short_name, "poweroff")) { |
| arg_action = ACTION_POWEROFF; |
| return halt_parse_argv(argc, argv); |
| |
| } else if (strstr(program_invocation_short_name, "reboot")) { |
| if (kexec_loaded()) |
| arg_action = ACTION_KEXEC; |
| else |
| arg_action = ACTION_REBOOT; |
| return halt_parse_argv(argc, argv); |
| |
| } else if (strstr(program_invocation_short_name, "shutdown")) { |
| arg_action = ACTION_POWEROFF; |
| return shutdown_parse_argv(argc, argv); |
| |
| } else if (strstr(program_invocation_short_name, "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 strstr(p_i_s_n, "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. For now we simply guess that it is Upstart. */ |
| |
| (void) rlimit_nofile_safe(); |
| execv(TELINIT, argv); |
| |
| return log_error_errno(SYNTHETIC_ERRNO(EIO), |
| "Couldn't find an alternative telinit implementation to spawn."); |
| } |
| |
| } else if (strstr(program_invocation_short_name, "runlevel")) { |
| arg_action = ACTION_RUNLEVEL; |
| return runlevel_parse_argv(argc, argv); |
| } |
| } |
| |
| arg_action = ACTION_SYSTEMCTL; |
| return systemctl_parse_argv(argc, argv); |
| } |
| |
| static int systemctl_main(int argc, char *argv[]) { |
| static const Verb verbs[] = { |
| { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units }, |
| { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files }, |
| { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets }, |
| { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers }, |
| { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs }, |
| { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_machines }, |
| { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method }, |
| { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job }, |
| { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */ |
| { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with old systemctl <= 228 */ |
| { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, |
| { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */ |
| { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */ |
| { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */ |
| { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit }, |
| { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit }, |
| { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit }, |
| { "freeze", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit }, |
| { "thaw", 2, VERB_ANY, VERB_ONLINE_ONLY, clean_or_freeze_unit }, |
| { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, |
| { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */ |
| { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed }, |
| { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, |
| { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat }, |
| { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, |
| { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, |
| { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload }, |
| { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload }, |
| { "log-level", VERB_ANY, 2, VERB_ONLINE_ONLY, log_setting }, |
| { "log-target", VERB_ANY, 2, VERB_ONLINE_ONLY, log_setting }, |
| { "service-log-level", 2, 3, VERB_ONLINE_ONLY, service_log_setting }, |
| { "service-log-target", 2, 3, VERB_ONLINE_ONLY, service_log_setting }, |
| { "service-watchdogs", VERB_ANY, 2, VERB_ONLINE_ONLY, service_watchdogs }, |
| { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment }, |
| { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment }, |
| { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment }, |
| { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment }, |
| { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special }, |
| { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special }, |
| { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, |
| { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special }, |
| { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed }, |
| { "enable", 2, VERB_ANY, 0, enable_unit }, |
| { "disable", 2, VERB_ANY, 0, enable_unit }, |
| { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled }, |
| { "reenable", 2, VERB_ANY, 0, enable_unit }, |
| { "preset", 2, VERB_ANY, 0, enable_unit }, |
| { "preset-all", VERB_ANY, 1, 0, preset_all }, |
| { "mask", 2, VERB_ANY, 0, enable_unit }, |
| { "unmask", 2, VERB_ANY, 0, enable_unit }, |
| { "link", 2, VERB_ANY, 0, enable_unit }, |
| { "revert", 2, VERB_ANY, 0, enable_unit }, |
| { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root }, |
| { "list-dependencies", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_dependencies }, |
| { "set-default", 2, 2, 0, set_default }, |
| { "get-default", VERB_ANY, 1, 0, get_default }, |
| { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property }, |
| { "is-system-running", VERB_ANY, 1, 0, is_system_running }, |
| { "add-wants", 3, VERB_ANY, 0, add_dependency }, |
| { "add-requires", 3, VERB_ANY, 0, add_dependency }, |
| { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit }, |
| {} |
| }; |
| |
| 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=.", |
| argv[optind] ?: verb->verb); |
| |
| return dispatch_verb(argc, argv, verbs, NULL); |
| } |
| |
| static int run(int argc, char *argv[]) { |
| int r; |
| |
| setlocale(LC_ALL, ""); |
| log_parse_environment_cli(); |
| log_open(); |
| |
| /* The journal merging logic potentially needs a lot of fds. */ |
| (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); |
| |
| sigbus_install(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| goto finish; |
| |
| 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 */ |
| |
| 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_RUNLEVEL: |
| r = runlevel_main(); |
| 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("Unknown action"); |
| } |
| |
| 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); |