1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <getopt.h>
4 #include <locale.h>
5 #include <unistd.h>
6
7 #include "sd-daemon.h"
8
9 #include "bus-util.h"
10 #include "install.h"
11 #include "main-func.h"
12 #include "output-mode.h"
13 #include "pager.h"
14 #include "parse-argument.h"
15 #include "path-util.h"
16 #include "pretty-print.h"
17 #include "process-util.h"
18 #include "rlimit-util.h"
19 #include "sigbus.h"
20 #include "signal-util.h"
21 #include "string-table.h"
22 #include "systemctl-add-dependency.h"
23 #include "systemctl-cancel-job.h"
24 #include "systemctl-clean-or-freeze.h"
25 #include "systemctl-compat-halt.h"
26 #include "systemctl-compat-runlevel.h"
27 #include "systemctl-compat-shutdown.h"
28 #include "systemctl-compat-telinit.h"
29 #include "systemctl-daemon-reload.h"
30 #include "systemctl-edit.h"
31 #include "systemctl-enable.h"
32 #include "systemctl-is-active.h"
33 #include "systemctl-is-enabled.h"
34 #include "systemctl-is-system-running.h"
35 #include "systemctl-kill.h"
36 #include "systemctl-list-dependencies.h"
37 #include "systemctl-list-jobs.h"
38 #include "systemctl-list-machines.h"
39 #include "systemctl-list-unit-files.h"
40 #include "systemctl-list-units.h"
41 #include "systemctl-log-setting.h"
42 #include "systemctl-logind.h"
43 #include "systemctl-mount.h"
44 #include "systemctl-preset-all.h"
45 #include "systemctl-reset-failed.h"
46 #include "systemctl-service-watchdogs.h"
47 #include "systemctl-set-default.h"
48 #include "systemctl-set-environment.h"
49 #include "systemctl-set-property.h"
50 #include "systemctl-show.h"
51 #include "systemctl-start-special.h"
52 #include "systemctl-start-unit.h"
53 #include "systemctl-switch-root.h"
54 #include "systemctl-sysv-compat.h"
55 #include "systemctl-trivial-method.h"
56 #include "systemctl-util.h"
57 #include "systemctl.h"
58 #include "terminal-util.h"
59 #include "time-util.h"
60 #include "verbs.h"
61 #include "virt.h"
62
63 char **arg_types = NULL;
64 char **arg_states = NULL;
65 char **arg_properties = NULL;
66 bool arg_all = false;
67 enum dependency arg_dependency = DEPENDENCY_FORWARD;
68 const char *_arg_job_mode = NULL;
69 LookupScope arg_scope = LOOKUP_SCOPE_SYSTEM;
70 bool arg_wait = false;
71 bool arg_no_block = false;
72 int arg_legend = -1; /* -1: true, unless --quiet is passed, 1: true */
73 PagerFlags arg_pager_flags = 0;
74 bool arg_no_wtmp = false;
75 bool arg_no_sync = false;
76 bool arg_no_wall = false;
77 bool arg_no_reload = false;
78 BusPrintPropertyFlags arg_print_flags = 0;
79 bool arg_show_types = false;
80 int arg_check_inhibitors = -1;
81 bool arg_dry_run = false;
82 bool arg_quiet = false;
83 bool arg_full = false;
84 bool arg_recursive = false;
85 bool arg_with_dependencies = false;
86 bool arg_show_transaction = false;
87 int arg_force = 0;
88 bool arg_ask_password = false;
89 bool arg_runtime = false;
90 UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL;
91 char **arg_wall = NULL;
92 const char *arg_kill_who = NULL;
93 int arg_signal = SIGTERM;
94 char *arg_root = NULL;
95 usec_t arg_when = 0;
96 const char *arg_reboot_argument = NULL;
97 enum action arg_action = ACTION_SYSTEMCTL;
98 BusTransport arg_transport = BUS_TRANSPORT_LOCAL;
99 const char *arg_host = NULL;
100 unsigned arg_lines = 10;
101 OutputMode arg_output = OUTPUT_SHORT;
102 bool arg_plain = false;
103 bool arg_firmware_setup = false;
104 usec_t arg_boot_loader_menu = USEC_INFINITY;
105 const char *arg_boot_loader_entry = NULL;
106 bool arg_now = false;
107 bool arg_jobs_before = false;
108 bool arg_jobs_after = false;
109 char **arg_clean_what = NULL;
110 TimestampStyle arg_timestamp_style = TIMESTAMP_PRETTY;
111 bool arg_read_only = false;
112 bool arg_mkdir = false;
113 bool arg_marked = false;
114
115 STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep);
116 STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep);
117 STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep);
118 STATIC_DESTRUCTOR_REGISTER(_arg_job_mode, unsetp);
119 STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep);
120 STATIC_DESTRUCTOR_REGISTER(arg_kill_who, unsetp);
121 STATIC_DESTRUCTOR_REGISTER(arg_root, freep);
122 STATIC_DESTRUCTOR_REGISTER(arg_reboot_argument, unsetp);
123 STATIC_DESTRUCTOR_REGISTER(arg_host, unsetp);
124 STATIC_DESTRUCTOR_REGISTER(arg_boot_loader_entry, unsetp);
125 STATIC_DESTRUCTOR_REGISTER(arg_clean_what, strv_freep);
126
systemctl_help(void)127 static int systemctl_help(void) {
128 _cleanup_free_ char *link = NULL;
129 int r;
130
131 pager_open(arg_pager_flags);
132
133 r = terminal_urlify_man("systemctl", "1", &link);
134 if (r < 0)
135 return log_oom();
136
137 printf("%1$s [OPTIONS...] COMMAND ...\n\n"
138 "%5$sQuery or send control commands to the system manager.%6$s\n"
139 "\n%3$sUnit Commands:%4$s\n"
140 " list-units [PATTERN...] List units currently in memory\n"
141 " list-sockets [PATTERN...] List socket units currently in memory,\n"
142 " ordered by address\n"
143 " list-timers [PATTERN...] List timer units currently in memory,\n"
144 " ordered by next elapse\n"
145 " is-active PATTERN... Check whether units are active\n"
146 " is-failed PATTERN... Check whether units are failed\n"
147 " status [PATTERN...|PID...] Show runtime status of one or more units\n"
148 " show [PATTERN...|JOB...] Show properties of one or more\n"
149 " units/jobs or the manager\n"
150 " cat PATTERN... Show files and drop-ins of specified units\n"
151 " help PATTERN...|PID... Show manual for one or more units\n"
152 " list-dependencies [UNIT...] Recursively show units which are required\n"
153 " or wanted by the units or by which those\n"
154 " units are required or wanted\n"
155 " start UNIT... Start (activate) one or more units\n"
156 " stop UNIT... Stop (deactivate) one or more units\n"
157 " reload UNIT... Reload one or more units\n"
158 " restart UNIT... Start or restart one or more units\n"
159 " try-restart UNIT... Restart one or more units if active\n"
160 " reload-or-restart UNIT... Reload one or more units if possible,\n"
161 " otherwise start or restart\n"
162 " try-reload-or-restart UNIT... If active, reload one or more units,\n"
163 " if supported, otherwise restart\n"
164 " isolate UNIT Start one unit and stop all others\n"
165 " kill UNIT... Send signal to processes of a unit\n"
166 " clean UNIT... Clean runtime, cache, state, logs or\n"
167 " configuration of unit\n"
168 " freeze PATTERN... Freeze execution of unit processes\n"
169 " thaw PATTERN... Resume execution of a frozen unit\n"
170 " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n"
171 " bind UNIT PATH [PATH] Bind-mount a path from the host into a\n"
172 " unit's namespace\n"
173 " mount-image UNIT PATH [PATH [OPTS]] Mount an image from the host into a\n"
174 " unit's namespace\n"
175 " service-log-level SERVICE [LEVEL] Get/set logging threshold for service\n"
176 " service-log-target SERVICE [TARGET] Get/set logging target for service\n"
177 " reset-failed [PATTERN...] Reset failed state for all, one, or more\n"
178 " units"
179 "\n%3$sUnit File Commands:%4$s\n"
180 " list-unit-files [PATTERN...] List installed unit files\n"
181 " enable [UNIT...|PATH...] Enable one or more unit files\n"
182 " disable UNIT... Disable one or more unit files\n"
183 " reenable UNIT... Reenable one or more unit files\n"
184 " preset UNIT... Enable/disable one or more unit files\n"
185 " based on preset configuration\n"
186 " preset-all Enable/disable all unit files based on\n"
187 " preset configuration\n"
188 " is-enabled UNIT... Check whether unit files are enabled\n"
189 " mask UNIT... Mask one or more units\n"
190 " unmask UNIT... Unmask one or more units\n"
191 " link PATH... Link one or more units files into\n"
192 " the search path\n"
193 " revert UNIT... Revert one or more unit files to vendor\n"
194 " version\n"
195 " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n"
196 " on specified one or more units\n"
197 " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n"
198 " on specified one or more units\n"
199 " edit UNIT... Edit one or more unit files\n"
200 " get-default Get the name of the default target\n"
201 " set-default TARGET Set the default target\n"
202 "\n%3$sMachine Commands:%4$s\n"
203 " list-machines [PATTERN...] List local containers and host\n"
204 "\n%3$sJob Commands:%4$s\n"
205 " list-jobs [PATTERN...] List jobs\n"
206 " cancel [JOB...] Cancel all, one, or more jobs\n"
207 "\n%3$sEnvironment Commands:%4$s\n"
208 " show-environment Dump environment\n"
209 " set-environment VARIABLE=VALUE... Set one or more environment variables\n"
210 " unset-environment VARIABLE... Unset one or more environment variables\n"
211 " import-environment VARIABLE... Import all or some environment variables\n"
212 "\n%3$sManager State Commands:%4$s\n"
213 " daemon-reload Reload systemd manager configuration\n"
214 " daemon-reexec Reexecute systemd manager\n"
215 " log-level [LEVEL] Get/set logging threshold for manager\n"
216 " log-target [TARGET] Get/set logging target for manager\n"
217 " service-watchdogs [BOOL] Get/set service watchdog state\n"
218 "\n%3$sSystem Commands:%4$s\n"
219 " is-system-running Check whether system is fully running\n"
220 " default Enter system default mode\n"
221 " rescue Enter system rescue mode\n"
222 " emergency Enter system emergency mode\n"
223 " halt Shut down and halt the system\n"
224 " poweroff Shut down and power-off the system\n"
225 " reboot Shut down and reboot the system\n"
226 " kexec Shut down and reboot the system with kexec\n"
227 " exit [EXIT_CODE] Request user instance or container exit\n"
228 " switch-root ROOT [INIT] Change to a different root file system\n"
229 " suspend Suspend the system\n"
230 " hibernate Hibernate the system\n"
231 " hybrid-sleep Hibernate and suspend the system\n"
232 " suspend-then-hibernate Suspend the system, wake after a period of\n"
233 " time, and hibernate"
234 "\n%3$sOptions:%4$s\n"
235 " -h --help Show this help\n"
236 " --version Show package version\n"
237 " --system Connect to system manager\n"
238 " --user Connect to user service manager\n"
239 " -H --host=[USER@]HOST Operate on remote host\n"
240 " -M --machine=CONTAINER Operate on a local container\n"
241 " -t --type=TYPE List units of a particular type\n"
242 " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n"
243 " --failed Shortcut for --state=failed\n"
244 " -p --property=NAME Show only properties by this name\n"
245 " -P NAME Equivalent to --value --property=NAME\n"
246 " -a --all Show all properties/all units currently in memory,\n"
247 " including dead/empty ones. To list all units installed\n"
248 " on the system, use 'list-unit-files' instead.\n"
249 " -l --full Don't ellipsize unit names on output\n"
250 " -r --recursive Show unit list of host and local containers\n"
251 " --reverse Show reverse dependencies with 'list-dependencies'\n"
252 " --with-dependencies Show unit dependencies with 'status', 'cat',\n"
253 " 'list-units', and 'list-unit-files'.\n"
254 " --job-mode=MODE Specify how to deal with already queued jobs, when\n"
255 " queueing a new job\n"
256 " -T --show-transaction When enqueuing a unit job, show full transaction\n"
257 " --show-types When showing sockets, explicitly show their type\n"
258 " --value When showing properties, only print the value\n"
259 " --check-inhibitors=MODE\n"
260 " Specify if checking inhibitors before shutting down,\n"
261 " sleeping or hibernating\n"
262 " -i Shortcut for --check-inhibitors=no\n"
263 " --kill-who=WHO Whom to send signal to\n"
264 " -s --signal=SIGNAL Which signal to send\n"
265 " --what=RESOURCES Which types of resources to remove\n"
266 " --now Start or stop unit after enabling or disabling it\n"
267 " --dry-run Only print what would be done\n"
268 " Currently supported by verbs: halt, poweroff, reboot,\n"
269 " kexec, suspend, hibernate, suspend-then-hibernate,\n"
270 " hybrid-sleep, default, rescue, emergency, and exit.\n"
271 " -q --quiet Suppress output\n"
272 " --wait For (re)start, wait until service stopped again\n"
273 " For is-system-running, wait until startup is completed\n"
274 " --no-block Do not wait until operation finished\n"
275 " --no-wall Don't send wall message before halt/power-off/reboot\n"
276 " --no-reload Don't reload daemon after en-/dis-abling unit files\n"
277 " --legend=BOOL Enable/disable the legend (column headers and hints)\n"
278 " --no-pager Do not pipe output into a pager\n"
279 " --no-ask-password Do not ask for system passwords\n"
280 " --global Enable/disable/mask default user unit files globally\n"
281 " --runtime Enable/disable/mask unit files temporarily until next\n"
282 " reboot\n"
283 " -f --force When enabling unit files, override existing symlinks\n"
284 " When shutting down, execute action immediately\n"
285 " --preset-mode= Apply only enable, only disable, or all presets\n"
286 " --root=PATH Enable/disable/mask unit files in the specified root\n"
287 " directory\n"
288 " -n --lines=INTEGER Number of journal entries to show\n"
289 " -o --output=STRING Change journal output mode (short, short-precise,\n"
290 " short-iso, short-iso-precise, short-full,\n"
291 " short-monotonic, short-unix,\n"
292 " verbose, export, json, json-pretty, json-sse, cat)\n"
293 " --firmware-setup Tell the firmware to show the setup menu on next boot\n"
294 " --boot-loader-menu=TIME\n"
295 " Boot into boot loader menu on next boot\n"
296 " --boot-loader-entry=NAME\n"
297 " Boot into a specific boot loader entry on next boot\n"
298 " --plain Print unit dependencies as a list instead of a tree\n"
299 " --timestamp=FORMAT Change format of printed timestamps (pretty, unix,\n"
300 " us, utc, us+utc)\n"
301 " --read-only Create read-only bind mount\n"
302 " --mkdir Create directory before mounting, if missing\n"
303 " --marked Restart/reload previously marked units\n"
304 "\nSee the %2$s for details.\n",
305 program_invocation_short_name,
306 link,
307 ansi_underline(),
308 ansi_normal(),
309 ansi_highlight(),
310 ansi_normal());
311
312 return 0;
313 }
314
help_types(void)315 static void help_types(void) {
316 if (arg_legend != 0)
317 puts("Available unit types:");
318
319 DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX);
320 }
321
help_states(void)322 static void help_states(void) {
323 if (arg_legend != 0)
324 puts("Available unit load states:");
325 DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX);
326
327 if (arg_legend != 0)
328 puts("\nAvailable unit active states:");
329 DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX);
330
331 if (arg_legend != 0)
332 puts("\nAvailable unit file states:");
333 DUMP_STRING_TABLE(unit_file_state, UnitFileState, _UNIT_FILE_STATE_MAX);
334
335 if (arg_legend != 0)
336 puts("\nAvailable automount unit substates:");
337 DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX);
338
339 if (arg_legend != 0)
340 puts("\nAvailable device unit substates:");
341 DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX);
342
343 if (arg_legend != 0)
344 puts("\nAvailable mount unit substates:");
345 DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX);
346
347 if (arg_legend != 0)
348 puts("\nAvailable path unit substates:");
349 DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX);
350
351 if (arg_legend != 0)
352 puts("\nAvailable scope unit substates:");
353 DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX);
354
355 if (arg_legend != 0)
356 puts("\nAvailable service unit substates:");
357 DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX);
358
359 if (arg_legend != 0)
360 puts("\nAvailable slice unit substates:");
361 DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX);
362
363 if (arg_legend != 0)
364 puts("\nAvailable socket unit substates:");
365 DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX);
366
367 if (arg_legend != 0)
368 puts("\nAvailable swap unit substates:");
369 DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX);
370
371 if (arg_legend != 0)
372 puts("\nAvailable target unit substates:");
373 DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX);
374
375 if (arg_legend != 0)
376 puts("\nAvailable timer unit substates:");
377 DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX);
378 }
379
systemctl_parse_argv(int argc,char * argv[])380 static int systemctl_parse_argv(int argc, char *argv[]) {
381 enum {
382 ARG_FAIL = 0x100, /* compatibility only */
383 ARG_REVERSE,
384 ARG_AFTER,
385 ARG_BEFORE,
386 ARG_CHECK_INHIBITORS,
387 ARG_DRY_RUN,
388 ARG_SHOW_TYPES,
389 ARG_IRREVERSIBLE, /* compatibility only */
390 ARG_IGNORE_DEPENDENCIES, /* compatibility only */
391 ARG_VALUE,
392 ARG_VERSION,
393 ARG_USER,
394 ARG_SYSTEM,
395 ARG_GLOBAL,
396 ARG_NO_BLOCK,
397 ARG_LEGEND,
398 ARG_NO_LEGEND, /* compatibility only */
399 ARG_NO_PAGER,
400 ARG_NO_WALL,
401 ARG_ROOT,
402 ARG_NO_RELOAD,
403 ARG_KILL_WHO,
404 ARG_NO_ASK_PASSWORD,
405 ARG_FAILED,
406 ARG_RUNTIME,
407 ARG_PLAIN,
408 ARG_STATE,
409 ARG_JOB_MODE,
410 ARG_PRESET_MODE,
411 ARG_FIRMWARE_SETUP,
412 ARG_BOOT_LOADER_MENU,
413 ARG_BOOT_LOADER_ENTRY,
414 ARG_NOW,
415 ARG_MESSAGE,
416 ARG_WITH_DEPENDENCIES,
417 ARG_WAIT,
418 ARG_WHAT,
419 ARG_REBOOT_ARG,
420 ARG_TIMESTAMP_STYLE,
421 ARG_READ_ONLY,
422 ARG_MKDIR,
423 ARG_MARKED,
424 };
425
426 static const struct option options[] = {
427 { "help", no_argument, NULL, 'h' },
428 { "version", no_argument, NULL, ARG_VERSION },
429 { "type", required_argument, NULL, 't' },
430 { "property", required_argument, NULL, 'p' },
431 { "all", no_argument, NULL, 'a' },
432 { "reverse", no_argument, NULL, ARG_REVERSE },
433 { "after", no_argument, NULL, ARG_AFTER },
434 { "before", no_argument, NULL, ARG_BEFORE },
435 { "show-types", no_argument, NULL, ARG_SHOW_TYPES },
436 { "failed", no_argument, NULL, ARG_FAILED },
437 { "full", no_argument, NULL, 'l' },
438 { "job-mode", required_argument, NULL, ARG_JOB_MODE },
439 { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */
440 { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */
441 { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */
442 { "ignore-inhibitors", no_argument, NULL, 'i' }, /* compatibility only */
443 { "check-inhibitors", required_argument, NULL, ARG_CHECK_INHIBITORS },
444 { "value", no_argument, NULL, ARG_VALUE },
445 { "user", no_argument, NULL, ARG_USER },
446 { "system", no_argument, NULL, ARG_SYSTEM },
447 { "global", no_argument, NULL, ARG_GLOBAL },
448 { "wait", no_argument, NULL, ARG_WAIT },
449 { "no-block", no_argument, NULL, ARG_NO_BLOCK },
450 { "legend", required_argument, NULL, ARG_LEGEND },
451 { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, /* compatibility only */
452 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
453 { "no-wall", no_argument, NULL, ARG_NO_WALL },
454 { "dry-run", no_argument, NULL, ARG_DRY_RUN },
455 { "quiet", no_argument, NULL, 'q' },
456 { "root", required_argument, NULL, ARG_ROOT },
457 { "force", no_argument, NULL, 'f' },
458 { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
459 { "kill-who", required_argument, NULL, ARG_KILL_WHO },
460 { "signal", required_argument, NULL, 's' },
461 { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
462 { "host", required_argument, NULL, 'H' },
463 { "machine", required_argument, NULL, 'M' },
464 { "runtime", no_argument, NULL, ARG_RUNTIME },
465 { "lines", required_argument, NULL, 'n' },
466 { "output", required_argument, NULL, 'o' },
467 { "plain", no_argument, NULL, ARG_PLAIN },
468 { "state", required_argument, NULL, ARG_STATE },
469 { "recursive", no_argument, NULL, 'r' },
470 { "with-dependencies", no_argument, NULL, ARG_WITH_DEPENDENCIES },
471 { "preset-mode", required_argument, NULL, ARG_PRESET_MODE },
472 { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP },
473 { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU },
474 { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY },
475 { "now", no_argument, NULL, ARG_NOW },
476 { "message", required_argument, NULL, ARG_MESSAGE },
477 { "show-transaction", no_argument, NULL, 'T' },
478 { "what", required_argument, NULL, ARG_WHAT },
479 { "reboot-argument", required_argument, NULL, ARG_REBOOT_ARG },
480 { "timestamp", required_argument, NULL, ARG_TIMESTAMP_STYLE },
481 { "read-only", no_argument, NULL, ARG_READ_ONLY },
482 { "mkdir", no_argument, NULL, ARG_MKDIR },
483 { "marked", no_argument, NULL, ARG_MARKED },
484 {}
485 };
486
487 int c, r;
488
489 assert(argc >= 0);
490 assert(argv);
491
492 /* We default to allowing interactive authorization only in systemctl (not in the legacy commands) */
493 arg_ask_password = true;
494
495 while ((c = getopt_long(argc, argv, "ht:p:P:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0)
496
497 switch (c) {
498
499 case 'h':
500 return systemctl_help();
501
502 case ARG_VERSION:
503 return version();
504
505 case 't':
506 if (isempty(optarg))
507 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
508 "--type= requires arguments.");
509
510 for (const char *p = optarg;;) {
511 _cleanup_free_ char *type = NULL;
512
513 r = extract_first_word(&p, &type, ",", 0);
514 if (r < 0)
515 return log_error_errno(r, "Failed to parse type: %s", optarg);
516 if (r == 0)
517 break;
518
519 if (streq(type, "help")) {
520 help_types();
521 return 0;
522 }
523
524 if (unit_type_from_string(type) >= 0) {
525 if (strv_consume(&arg_types, TAKE_PTR(type)) < 0)
526 return log_oom();
527 continue;
528 }
529
530 /* It's much nicer to use --state= for load states, but let's support this in
531 * --types= too for compatibility with old versions */
532 if (unit_load_state_from_string(type) >= 0) {
533 if (strv_consume(&arg_states, TAKE_PTR(type)) < 0)
534 return log_oom();
535 continue;
536 }
537
538 log_error("Unknown unit type or load state '%s'.", type);
539 return log_info_errno(SYNTHETIC_ERRNO(EINVAL),
540 "Use -t help to see a list of allowed values.");
541 }
542
543 break;
544
545 case 'P':
546 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
547 _fallthrough_;
548
549 case 'p':
550 /* Make sure that if the empty property list was specified, we won't show any
551 properties. */
552 if (isempty(optarg) && !arg_properties) {
553 arg_properties = new0(char*, 1);
554 if (!arg_properties)
555 return log_oom();
556 } else
557 for (const char *p = optarg;;) {
558 _cleanup_free_ char *prop = NULL;
559
560 r = extract_first_word(&p, &prop, ",", 0);
561 if (r < 0)
562 return log_error_errno(r, "Failed to parse property: %s", optarg);
563 if (r == 0)
564 break;
565
566 if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0)
567 return log_oom();
568 }
569
570 /* If the user asked for a particular property, show it, even if it is empty. */
571 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
572
573 break;
574
575 case 'a':
576 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_SHOW_EMPTY, true);
577 arg_all = true;
578 break;
579
580 case ARG_REVERSE:
581 arg_dependency = DEPENDENCY_REVERSE;
582 break;
583
584 case ARG_AFTER:
585 arg_dependency = DEPENDENCY_AFTER;
586 arg_jobs_after = true;
587 break;
588
589 case ARG_BEFORE:
590 arg_dependency = DEPENDENCY_BEFORE;
591 arg_jobs_before = true;
592 break;
593
594 case ARG_SHOW_TYPES:
595 arg_show_types = true;
596 break;
597
598 case ARG_VALUE:
599 SET_FLAG(arg_print_flags, BUS_PRINT_PROPERTY_ONLY_VALUE, true);
600 break;
601
602 case ARG_JOB_MODE:
603 _arg_job_mode = optarg;
604 break;
605
606 case ARG_FAIL:
607 _arg_job_mode = "fail";
608 break;
609
610 case ARG_IRREVERSIBLE:
611 _arg_job_mode = "replace-irreversibly";
612 break;
613
614 case ARG_IGNORE_DEPENDENCIES:
615 _arg_job_mode = "ignore-dependencies";
616 break;
617
618 case ARG_USER:
619 arg_scope = LOOKUP_SCOPE_USER;
620 break;
621
622 case ARG_SYSTEM:
623 arg_scope = LOOKUP_SCOPE_SYSTEM;
624 break;
625
626 case ARG_GLOBAL:
627 arg_scope = LOOKUP_SCOPE_GLOBAL;
628 break;
629
630 case ARG_WAIT:
631 arg_wait = true;
632 break;
633
634 case ARG_NO_BLOCK:
635 arg_no_block = true;
636 break;
637
638 case ARG_NO_LEGEND:
639 arg_legend = false;
640 break;
641
642 case ARG_LEGEND:
643 r = parse_boolean_argument("--legend", optarg, NULL);
644 if (r < 0)
645 return r;
646 arg_legend = r;
647 break;
648
649 case ARG_NO_PAGER:
650 arg_pager_flags |= PAGER_DISABLE;
651 break;
652
653 case ARG_NO_WALL:
654 arg_no_wall = true;
655 break;
656
657 case ARG_ROOT:
658 r = parse_path_argument(optarg, false, &arg_root);
659 if (r < 0)
660 return r;
661 break;
662
663 case 'l':
664 arg_full = true;
665 break;
666
667 case ARG_FAILED:
668 if (strv_extend(&arg_states, "failed") < 0)
669 return log_oom();
670
671 break;
672
673 case ARG_DRY_RUN:
674 arg_dry_run = true;
675 break;
676
677 case 'q':
678 arg_quiet = true;
679
680 if (arg_legend < 0)
681 arg_legend = false;
682
683 break;
684
685 case 'f':
686 arg_force++;
687 break;
688
689 case ARG_NO_RELOAD:
690 arg_no_reload = true;
691 break;
692
693 case ARG_KILL_WHO:
694 arg_kill_who = optarg;
695 break;
696
697 case 's':
698 r = parse_signal_argument(optarg, &arg_signal);
699 if (r <= 0)
700 return r;
701 break;
702
703 case ARG_NO_ASK_PASSWORD:
704 arg_ask_password = false;
705 break;
706
707 case 'H':
708 arg_transport = BUS_TRANSPORT_REMOTE;
709 arg_host = optarg;
710 break;
711
712 case 'M':
713 arg_transport = BUS_TRANSPORT_MACHINE;
714 arg_host = optarg;
715 break;
716
717 case ARG_RUNTIME:
718 arg_runtime = true;
719 break;
720
721 case 'n':
722 if (safe_atou(optarg, &arg_lines) < 0)
723 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
724 "Failed to parse lines '%s'",
725 optarg);
726 break;
727
728 case 'o':
729 if (streq(optarg, "help")) {
730 DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX);
731 return 0;
732 }
733
734 arg_output = output_mode_from_string(optarg);
735 if (arg_output < 0)
736 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
737 "Unknown output '%s'.",
738 optarg);
739
740 if (OUTPUT_MODE_IS_JSON(arg_output)) {
741 arg_legend = false;
742 arg_plain = true;
743 }
744 break;
745
746 case 'i':
747 arg_check_inhibitors = 0;
748 break;
749
750 case ARG_CHECK_INHIBITORS:
751 if (streq(optarg, "auto"))
752 arg_check_inhibitors = -1;
753 else {
754 r = parse_boolean(optarg);
755 if (r < 0)
756 return log_error_errno(r, "Failed to parse --check-inhibitors= argument: %s", optarg);
757 arg_check_inhibitors = r;
758 }
759 break;
760
761 case ARG_PLAIN:
762 arg_plain = true;
763 break;
764
765 case ARG_FIRMWARE_SETUP:
766 arg_firmware_setup = true;
767 break;
768
769 case ARG_BOOT_LOADER_MENU:
770
771 r = parse_sec(optarg, &arg_boot_loader_menu);
772 if (r < 0)
773 return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg);
774
775 break;
776
777 case ARG_BOOT_LOADER_ENTRY:
778
779 if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */
780 r = help_boot_loader_entry();
781 if (r < 0)
782 return r;
783
784 return 0;
785 }
786
787 arg_boot_loader_entry = empty_to_null(optarg);
788 break;
789
790 case ARG_STATE:
791 if (isempty(optarg))
792 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
793 "--state= requires arguments.");
794
795 for (const char *p = optarg;;) {
796 _cleanup_free_ char *s = NULL;
797
798 r = extract_first_word(&p, &s, ",", 0);
799 if (r < 0)
800 return log_error_errno(r, "Failed to parse state: %s", optarg);
801 if (r == 0)
802 break;
803
804 if (streq(s, "help")) {
805 help_states();
806 return 0;
807 }
808
809 if (strv_consume(&arg_states, TAKE_PTR(s)) < 0)
810 return log_oom();
811 }
812 break;
813
814 case 'r':
815 if (geteuid() != 0)
816 return log_error_errno(SYNTHETIC_ERRNO(EPERM),
817 "--recursive requires root privileges.");
818
819 arg_recursive = true;
820 break;
821
822 case ARG_PRESET_MODE:
823 if (streq(optarg, "help")) {
824 DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX);
825 return 0;
826 }
827
828 arg_preset_mode = unit_file_preset_mode_from_string(optarg);
829 if (arg_preset_mode < 0)
830 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
831 "Failed to parse preset mode: %s.", optarg);
832
833 break;
834
835 case ARG_NOW:
836 arg_now = true;
837 break;
838
839 case ARG_MESSAGE:
840 if (strv_extend(&arg_wall, optarg) < 0)
841 return log_oom();
842 break;
843
844 case 'T':
845 arg_show_transaction = true;
846 break;
847
848 case ARG_WITH_DEPENDENCIES:
849 arg_with_dependencies = true;
850 break;
851
852 case ARG_WHAT:
853 if (isempty(optarg))
854 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "--what= requires arguments.");
855
856 for (const char *p = optarg;;) {
857 _cleanup_free_ char *k = NULL;
858
859 r = extract_first_word(&p, &k, ",", 0);
860 if (r < 0)
861 return log_error_errno(r, "Failed to parse directory type: %s", optarg);
862 if (r == 0)
863 break;
864
865 if (streq(k, "help")) {
866 puts("runtime\n"
867 "state\n"
868 "cache\n"
869 "logs\n"
870 "configuration");
871 return 0;
872 }
873
874 r = strv_consume(&arg_clean_what, TAKE_PTR(k));
875 if (r < 0)
876 return log_oom();
877 }
878
879 break;
880
881 case ARG_REBOOT_ARG:
882 arg_reboot_argument = optarg;
883 break;
884
885 case ARG_TIMESTAMP_STYLE:
886 if (streq(optarg, "help")) {
887 DUMP_STRING_TABLE(timestamp_style, TimestampStyle, _TIMESTAMP_STYLE_MAX);
888 return 0;
889 }
890
891 arg_timestamp_style = timestamp_style_from_string(optarg);
892 if (arg_timestamp_style < 0)
893 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
894 "Invalid value: %s.", optarg);
895
896 break;
897
898 case ARG_READ_ONLY:
899 arg_read_only = true;
900 break;
901
902 case ARG_MKDIR:
903 arg_mkdir = true;
904 break;
905
906 case ARG_MARKED:
907 arg_marked = true;
908 break;
909
910 case '.':
911 /* Output an error mimicking getopt, and print a hint afterwards */
912 log_error("%s: invalid option -- '.'", program_invocation_name);
913 log_notice("Hint: to specify units starting with a dash, use \"--\":\n"
914 " %s [OPTIONS...] COMMAND -- -.%s ...",
915 program_invocation_name, optarg ?: "mount");
916 _fallthrough_;
917
918 case '?':
919 return -EINVAL;
920
921 default:
922 assert_not_reached();
923 }
924
925 /* If we are in --user mode, there's no point in talking to PolicyKit or the infra to query system
926 * passwords */
927 if (arg_scope != LOOKUP_SCOPE_SYSTEM)
928 arg_ask_password = false;
929
930 if (arg_transport == BUS_TRANSPORT_REMOTE && arg_scope != LOOKUP_SCOPE_SYSTEM)
931 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
932 "Cannot access user instance remotely.");
933
934 if (arg_wait && arg_no_block)
935 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
936 "--wait may not be combined with --no-block.");
937
938 bool do_reload_or_restart = streq_ptr(argv[optind], "reload-or-restart");
939 if (arg_marked) {
940 if (!do_reload_or_restart)
941 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
942 "--marked may only be used with 'reload-or-restart'.");
943 if (optind + 1 < argc)
944 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
945 "No additional arguments allowed with 'reload-or-restart --marked'.");
946 if (arg_wait)
947 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
948 "--marked --wait is not supported.");
949 if (arg_show_transaction)
950 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
951 "--marked --show-transaction is not supported.");
952
953 } else if (do_reload_or_restart) {
954 if (optind + 1 >= argc)
955 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
956 "List of units to restart/reload is required.");
957 }
958
959 return 1;
960 }
961
systemctl_dispatch_parse_argv(int argc,char * argv[])962 int systemctl_dispatch_parse_argv(int argc, char *argv[]) {
963 assert(argc >= 0);
964 assert(argv);
965
966 if (invoked_as(argv, "halt")) {
967 arg_action = ACTION_HALT;
968 return halt_parse_argv(argc, argv);
969
970 } else if (invoked_as(argv, "poweroff")) {
971 arg_action = ACTION_POWEROFF;
972 return halt_parse_argv(argc, argv);
973
974 } else if (invoked_as(argv, "reboot")) {
975 if (kexec_loaded())
976 arg_action = ACTION_KEXEC;
977 else
978 arg_action = ACTION_REBOOT;
979 return halt_parse_argv(argc, argv);
980
981 } else if (invoked_as(argv, "shutdown")) {
982 arg_action = ACTION_POWEROFF;
983 return shutdown_parse_argv(argc, argv);
984
985 } else if (invoked_as(argv, "init")) {
986
987 /* Matches invocations as "init" as well as "telinit", which are synonymous when run
988 * as PID != 1 on SysV.
989 *
990 * On SysV "telinit" was the official command to communicate with PID 1, but "init" would
991 * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still,
992 * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence,
993 * for us if you invoke "init" you get "systemd", but it will execve() "systemctl"
994 * immediately with argv[] unmodified if PID is != 1. If you invoke "telinit" you directly
995 * get "systemctl". In both cases we shall do the same thing, which is why we do
996 * invoked_as(argv, "init") here, as a quick way to match both.
997 *
998 * Also see redirect_telinit() in src/core/main.c. */
999
1000 if (sd_booted() > 0) {
1001 arg_action = _ACTION_INVALID;
1002 return telinit_parse_argv(argc, argv);
1003 } else {
1004 /* Hmm, so some other init system is running, we need to forward this request to it.
1005 */
1006 arg_action = ACTION_TELINIT;
1007 return 1;
1008 }
1009
1010 } else if (invoked_as(argv, "runlevel")) {
1011 arg_action = ACTION_RUNLEVEL;
1012 return runlevel_parse_argv(argc, argv);
1013 }
1014
1015 arg_action = ACTION_SYSTEMCTL;
1016 return systemctl_parse_argv(argc, argv);
1017 }
1018
1019 #ifndef FUZZ_SYSTEMCTL_PARSE_ARGV
systemctl_main(int argc,char * argv[])1020 static int systemctl_main(int argc, char *argv[]) {
1021 static const Verb verbs[] = {
1022 { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, verb_list_units },
1023 { "list-unit-files", VERB_ANY, VERB_ANY, 0, verb_list_unit_files },
1024 { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_sockets },
1025 { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_timers },
1026 { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_jobs },
1027 { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_machines },
1028 { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_trivial_method },
1029 { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_cancel },
1030 { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1031 { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1032 { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with ALTLinux */
1033 { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1034 { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1035 { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1036 { "reload-or-restart", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1037 { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with old systemctl <= 228 */
1038 { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start },
1039 { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with SysV */
1040 { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with ALTLinux */
1041 { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_start }, /* For compatibility with RH */
1042 { "isolate", 2, 2, VERB_ONLINE_ONLY, verb_start },
1043 { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_kill },
1044 { "clean", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze },
1045 { "freeze", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze },
1046 { "thaw", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_clean_or_freeze },
1047 { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_active },
1048 { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_active }, /* deprecated alias of is-active */
1049 { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_is_failed },
1050 { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show },
1051 { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_cat },
1052 { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show },
1053 { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_show },
1054 { "daemon-reload", 1, 1, VERB_ONLINE_ONLY, verb_daemon_reload },
1055 { "daemon-reexec", 1, 1, VERB_ONLINE_ONLY, verb_daemon_reload },
1056 { "log-level", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_log_setting },
1057 { "log-target", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_log_setting },
1058 { "service-log-level", 2, 3, VERB_ONLINE_ONLY, verb_service_log_setting },
1059 { "service-log-target", 2, 3, VERB_ONLINE_ONLY, verb_service_log_setting },
1060 { "service-watchdogs", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_service_watchdogs },
1061 { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_show_environment },
1062 { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_set_environment },
1063 { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_set_environment },
1064 { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_import_environment },
1065 { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1066 { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1067 { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_start_system_special },
1068 { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1069 { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1070 { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1071 { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1072 { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1073 { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_special },
1074 { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1075 { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, verb_start_system_special },
1076 { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, verb_start_special },
1077 { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_reset_failed },
1078 { "enable", 2, VERB_ANY, 0, verb_enable },
1079 { "disable", 2, VERB_ANY, 0, verb_enable },
1080 { "is-enabled", 2, VERB_ANY, 0, verb_is_enabled },
1081 { "reenable", 2, VERB_ANY, 0, verb_enable },
1082 { "preset", 2, VERB_ANY, 0, verb_enable },
1083 { "preset-all", VERB_ANY, 1, 0, verb_preset_all },
1084 { "mask", 2, VERB_ANY, 0, verb_enable },
1085 { "unmask", 2, VERB_ANY, 0, verb_enable },
1086 { "link", 2, VERB_ANY, 0, verb_enable },
1087 { "revert", 2, VERB_ANY, 0, verb_enable },
1088 { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_switch_root },
1089 { "list-dependencies", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, verb_list_dependencies },
1090 { "set-default", 2, 2, 0, verb_set_default },
1091 { "get-default", VERB_ANY, 1, 0, verb_get_default },
1092 { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, verb_set_property },
1093 { "is-system-running", VERB_ANY, 1, 0, verb_is_system_running },
1094 { "add-wants", 3, VERB_ANY, 0, verb_add_dependency },
1095 { "add-requires", 3, VERB_ANY, 0, verb_add_dependency },
1096 { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, verb_edit },
1097 { "bind", 3, 4, VERB_ONLINE_ONLY, verb_bind },
1098 { "mount-image", 4, 5, VERB_ONLINE_ONLY, verb_mount_image },
1099 {}
1100 };
1101
1102 const Verb *verb = verbs_find_verb(argv[optind], verbs);
1103 if (verb && (verb->flags & VERB_ONLINE_ONLY) && arg_root)
1104 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
1105 "Verb '%s' cannot be used with --root=.",
1106 argv[optind] ?: verb->verb);
1107
1108 return dispatch_verb(argc, argv, verbs, NULL);
1109 }
1110
run(int argc,char * argv[])1111 static int run(int argc, char *argv[]) {
1112 int r;
1113
1114 setlocale(LC_ALL, "");
1115 log_parse_environment();
1116 log_open();
1117
1118 /* The journal merging logic potentially needs a lot of fds. */
1119 (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE);
1120
1121 sigbus_install();
1122
1123 r = systemctl_dispatch_parse_argv(argc, argv);
1124 if (r <= 0)
1125 goto finish;
1126
1127 if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) {
1128 if (!arg_quiet)
1129 log_info("Running in chroot, ignoring request.");
1130 r = 0;
1131 goto finish;
1132 }
1133
1134 /* systemctl_main() will print an error message for the bus connection, but only if it needs to */
1135
1136 switch (arg_action) {
1137
1138 case ACTION_SYSTEMCTL:
1139 r = systemctl_main(argc, argv);
1140 break;
1141
1142 /* Legacy command aliases set arg_action. They provide some fallbacks, e.g. to tell sysvinit to
1143 * reboot after you have installed systemd binaries. */
1144
1145 case ACTION_HALT:
1146 case ACTION_POWEROFF:
1147 case ACTION_REBOOT:
1148 case ACTION_KEXEC:
1149 r = halt_main();
1150 break;
1151
1152 case ACTION_RUNLEVEL2:
1153 case ACTION_RUNLEVEL3:
1154 case ACTION_RUNLEVEL4:
1155 case ACTION_RUNLEVEL5:
1156 case ACTION_RESCUE:
1157 r = start_with_fallback();
1158 break;
1159
1160 case ACTION_RELOAD:
1161 case ACTION_REEXEC:
1162 r = reload_with_fallback();
1163 break;
1164
1165 case ACTION_CANCEL_SHUTDOWN:
1166 r = logind_cancel_shutdown();
1167 break;
1168
1169 case ACTION_SHOW_SHUTDOWN:
1170 r = logind_show_shutdown();
1171 break;
1172
1173 case ACTION_RUNLEVEL:
1174 r = runlevel_main();
1175 break;
1176
1177 case ACTION_TELINIT:
1178 r = exec_telinit(argv);
1179 break;
1180
1181 case ACTION_EXIT:
1182 case ACTION_SUSPEND:
1183 case ACTION_HIBERNATE:
1184 case ACTION_HYBRID_SLEEP:
1185 case ACTION_SUSPEND_THEN_HIBERNATE:
1186 case ACTION_EMERGENCY:
1187 case ACTION_DEFAULT:
1188 /* systemctl verbs with no equivalent in the legacy commands. These cannot appear in
1189 * arg_action. Fall through. */
1190
1191 case _ACTION_INVALID:
1192 default:
1193 assert_not_reached();
1194 }
1195
1196 finish:
1197 release_busses();
1198
1199 /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */
1200 return r;
1201 }
1202
1203 DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run);
1204 #endif
1205