From 2cb7e0aaedad73b076ea18c6900b0e86c5760d79 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 15:00:47 +0200 Subject: Adding upstream version 247.3. Signed-off-by: Daniel Baumann --- src/systemctl/systemctl.c | 1128 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1128 insertions(+) create mode 100644 src/systemctl/systemctl.c (limited to 'src/systemctl/systemctl.c') diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c new file mode 100644 index 0000000..d002d93 --- /dev/null +++ b/src/systemctl/systemctl.c @@ -0,0 +1,1128 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include + +#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); -- cgit v1.2.3