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1 | /*** | |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | Copyright 2013 Marc-Antoine Perennou | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include <errno.h> | |
22 | #include <fcntl.h> | |
23 | #include <getopt.h> | |
24 | #include <linux/reboot.h> | |
25 | #include <locale.h> | |
26 | #include <stdbool.h> | |
27 | #include <stddef.h> | |
28 | #include <stdio.h> | |
29 | #include <string.h> | |
30 | #include <sys/reboot.h> | |
31 | #include <sys/socket.h> | |
32 | #include <unistd.h> | |
33 | ||
34 | #include "sd-bus.h" | |
35 | #include "sd-daemon.h" | |
36 | #include "sd-login.h" | |
37 | ||
38 | #include "alloc-util.h" | |
39 | #include "bus-common-errors.h" | |
40 | #include "bus-error.h" | |
41 | #include "bus-message.h" | |
42 | #include "bus-unit-util.h" | |
43 | #include "bus-util.h" | |
44 | #include "cgroup-show.h" | |
45 | #include "cgroup-util.h" | |
46 | #include "copy.h" | |
47 | #include "dropin.h" | |
48 | #include "efivars.h" | |
49 | #include "env-util.h" | |
50 | #include "escape.h" | |
51 | #include "exit-status.h" | |
52 | #include "fd-util.h" | |
53 | #include "fileio.h" | |
54 | #include "format-util.h" | |
55 | #include "fs-util.h" | |
56 | #include "glob-util.h" | |
57 | #include "hostname-util.h" | |
58 | #include "initreq.h" | |
59 | #include "install.h" | |
60 | #include "io-util.h" | |
61 | #include "list.h" | |
62 | #include "locale-util.h" | |
63 | #include "log.h" | |
64 | #include "logs-show.h" | |
65 | #include "macro.h" | |
66 | #include "mkdir.h" | |
67 | #include "pager.h" | |
68 | #include "parse-util.h" | |
69 | #include "path-lookup.h" | |
70 | #include "path-util.h" | |
71 | #include "process-util.h" | |
72 | #include "rlimit-util.h" | |
73 | #include "set.h" | |
74 | #include "sigbus.h" | |
75 | #include "signal-util.h" | |
76 | #include "socket-util.h" | |
77 | #include "spawn-ask-password-agent.h" | |
78 | #include "spawn-polkit-agent.h" | |
79 | #include "special.h" | |
80 | #include "stat-util.h" | |
81 | #include "strv.h" | |
82 | #include "terminal-util.h" | |
83 | #include "unit-name.h" | |
84 | #include "user-util.h" | |
85 | #include "util.h" | |
86 | #include "utmp-wtmp.h" | |
87 | #include "verbs.h" | |
88 | #include "virt.h" | |
89 | ||
90 | /* The init script exit status codes | |
91 | 0 program is running or service is OK | |
92 | 1 program is dead and /var/run pid file exists | |
93 | 2 program is dead and /var/lock lock file exists | |
94 | 3 program is not running | |
95 | 4 program or service status is unknown | |
96 | 5-99 reserved for future LSB use | |
97 | 100-149 reserved for distribution use | |
98 | 150-199 reserved for application use | |
99 | 200-254 reserved | |
100 | */ | |
101 | enum { | |
102 | EXIT_PROGRAM_RUNNING_OR_SERVICE_OK = 0, | |
103 | EXIT_PROGRAM_DEAD_AND_PID_EXISTS = 1, | |
104 | EXIT_PROGRAM_DEAD_AND_LOCK_FILE_EXISTS = 2, | |
105 | EXIT_PROGRAM_NOT_RUNNING = 3, | |
106 | EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN = 4, | |
107 | }; | |
108 | ||
109 | static char **arg_types = NULL; | |
110 | static char **arg_states = NULL; | |
111 | static char **arg_properties = NULL; | |
112 | static bool arg_all = false; | |
113 | static enum dependency { | |
114 | DEPENDENCY_FORWARD, | |
115 | DEPENDENCY_REVERSE, | |
116 | DEPENDENCY_AFTER, | |
117 | DEPENDENCY_BEFORE, | |
118 | _DEPENDENCY_MAX | |
119 | } arg_dependency = DEPENDENCY_FORWARD; | |
120 | static const char *arg_job_mode = "replace"; | |
121 | static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; | |
122 | static bool arg_wait = false; | |
123 | static bool arg_no_block = false; | |
124 | static bool arg_no_legend = false; | |
125 | static bool arg_no_pager = false; | |
126 | static bool arg_no_wtmp = false; | |
127 | static bool arg_no_sync = false; | |
128 | static bool arg_no_wall = false; | |
129 | static bool arg_no_reload = false; | |
130 | static bool arg_value = false; | |
131 | static bool arg_show_types = false; | |
132 | static bool arg_ignore_inhibitors = false; | |
133 | static bool arg_dry = false; | |
134 | static bool arg_quiet = false; | |
135 | static bool arg_full = false; | |
136 | static bool arg_recursive = false; | |
137 | static int arg_force = 0; | |
138 | static bool arg_ask_password = false; | |
139 | static bool arg_runtime = false; | |
140 | static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL; | |
141 | static char **arg_wall = NULL; | |
142 | static const char *arg_kill_who = NULL; | |
143 | static int arg_signal = SIGTERM; | |
144 | static char *arg_root = NULL; | |
145 | static usec_t arg_when = 0; | |
146 | static char *argv_cmdline = NULL; | |
147 | static enum action { | |
148 | ACTION_SYSTEMCTL, | |
149 | ACTION_HALT, | |
150 | ACTION_POWEROFF, | |
151 | ACTION_REBOOT, | |
152 | ACTION_KEXEC, | |
153 | ACTION_EXIT, | |
154 | ACTION_SUSPEND, | |
155 | ACTION_HIBERNATE, | |
156 | ACTION_HYBRID_SLEEP, | |
157 | ACTION_RUNLEVEL2, | |
158 | ACTION_RUNLEVEL3, | |
159 | ACTION_RUNLEVEL4, | |
160 | ACTION_RUNLEVEL5, | |
161 | ACTION_RESCUE, | |
162 | ACTION_EMERGENCY, | |
163 | ACTION_DEFAULT, | |
164 | ACTION_RELOAD, | |
165 | ACTION_REEXEC, | |
166 | ACTION_RUNLEVEL, | |
167 | ACTION_CANCEL_SHUTDOWN, | |
168 | _ACTION_MAX, | |
169 | _ACTION_INVALID = -1 | |
170 | } arg_action = ACTION_SYSTEMCTL; | |
171 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
172 | static const char *arg_host = NULL; | |
173 | static unsigned arg_lines = 10; | |
174 | static OutputMode arg_output = OUTPUT_SHORT; | |
175 | static bool arg_plain = false; | |
176 | static bool arg_firmware_setup = false; | |
177 | static bool arg_now = false; | |
178 | static bool arg_jobs_before = false; | |
179 | static bool arg_jobs_after = false; | |
180 | ||
181 | static int daemon_reload(int argc, char *argv[], void* userdata); | |
182 | static int trivial_method(int argc, char *argv[], void *userdata); | |
183 | static int halt_now(enum action a); | |
184 | static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state); | |
185 | ||
186 | static bool original_stdout_is_tty; | |
187 | ||
188 | typedef enum BusFocus { | |
189 | BUS_FULL, /* The full bus indicated via --system or --user */ | |
190 | BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */ | |
191 | _BUS_FOCUS_MAX | |
192 | } BusFocus; | |
193 | ||
194 | static sd_bus *busses[_BUS_FOCUS_MAX] = {}; | |
195 | ||
196 | static UnitFileFlags args_to_flags(void) { | |
197 | return (arg_runtime ? UNIT_FILE_RUNTIME : 0) | | |
198 | (arg_force ? UNIT_FILE_FORCE : 0); | |
199 | } | |
200 | ||
201 | static int acquire_bus(BusFocus focus, sd_bus **ret) { | |
202 | int r; | |
203 | ||
204 | assert(focus < _BUS_FOCUS_MAX); | |
205 | assert(ret); | |
206 | ||
207 | /* We only go directly to the manager, if we are using a local transport */ | |
208 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
209 | focus = BUS_FULL; | |
210 | ||
211 | if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0) | |
212 | focus = BUS_FULL; | |
213 | ||
214 | if (!busses[focus]) { | |
215 | bool user; | |
216 | ||
217 | user = arg_scope != UNIT_FILE_SYSTEM; | |
218 | ||
219 | if (!user && sd_booted() <= 0) { | |
220 | /* Print a friendly message when the local system is actually not running systemd as PID 1. */ | |
221 | log_error("System has not been booted with systemd as init system (PID 1). Can't operate."); | |
222 | return -EHOSTDOWN; | |
223 | } | |
224 | ||
225 | if (focus == BUS_MANAGER) | |
226 | r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]); | |
227 | else | |
228 | r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]); | |
229 | if (r < 0) | |
230 | return log_error_errno(r, "Failed to connect to bus: %m"); | |
231 | ||
232 | (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password); | |
233 | } | |
234 | ||
235 | *ret = busses[focus]; | |
236 | return 0; | |
237 | } | |
238 | ||
239 | static void release_busses(void) { | |
240 | BusFocus w; | |
241 | ||
242 | for (w = 0; w < _BUS_FOCUS_MAX; w++) | |
243 | busses[w] = sd_bus_flush_close_unref(busses[w]); | |
244 | } | |
245 | ||
246 | static int map_string_no_copy(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
247 | char *s; | |
248 | const char **p = userdata; | |
249 | int r; | |
250 | ||
251 | r = sd_bus_message_read_basic(m, SD_BUS_TYPE_STRING, &s); | |
252 | if (r < 0) | |
253 | return r; | |
254 | ||
255 | if (!isempty(s)) | |
256 | *p = s; | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
261 | static void ask_password_agent_open_if_enabled(void) { | |
262 | ||
263 | /* Open the password agent as a child process if necessary */ | |
264 | ||
265 | if (!arg_ask_password) | |
266 | return; | |
267 | ||
268 | if (arg_scope != UNIT_FILE_SYSTEM) | |
269 | return; | |
270 | ||
271 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
272 | return; | |
273 | ||
274 | ask_password_agent_open(); | |
275 | } | |
276 | ||
277 | static void polkit_agent_open_maybe(void) { | |
278 | /* Open the polkit agent as a child process if necessary */ | |
279 | ||
280 | if (arg_scope != UNIT_FILE_SYSTEM) | |
281 | return; | |
282 | ||
283 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
284 | } | |
285 | ||
286 | static OutputFlags get_output_flags(void) { | |
287 | return | |
288 | arg_all * OUTPUT_SHOW_ALL | | |
289 | (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | | |
290 | colors_enabled() * OUTPUT_COLOR | | |
291 | !arg_quiet * OUTPUT_WARN_CUTOFF; | |
292 | } | |
293 | ||
294 | static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) { | |
295 | assert(error); | |
296 | ||
297 | if (!sd_bus_error_is_set(error)) | |
298 | return r; | |
299 | ||
300 | if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) || | |
301 | sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) || | |
302 | sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) || | |
303 | sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE)) | |
304 | return EXIT_NOPERMISSION; | |
305 | ||
306 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT)) | |
307 | return EXIT_NOTINSTALLED; | |
308 | ||
309 | if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) || | |
310 | sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED)) | |
311 | return EXIT_NOTIMPLEMENTED; | |
312 | ||
313 | if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) | |
314 | return EXIT_NOTCONFIGURED; | |
315 | ||
316 | if (r != 0) | |
317 | return r; | |
318 | ||
319 | return EXIT_FAILURE; | |
320 | } | |
321 | ||
322 | static bool install_client_side(void) { | |
323 | ||
324 | /* Decides when to execute enable/disable/... operations | |
325 | * client-side rather than server-side. */ | |
326 | ||
327 | if (running_in_chroot() > 0) | |
328 | return true; | |
329 | ||
330 | if (sd_booted() <= 0) | |
331 | return true; | |
332 | ||
333 | if (!isempty(arg_root)) | |
334 | return true; | |
335 | ||
336 | if (arg_scope == UNIT_FILE_GLOBAL) | |
337 | return true; | |
338 | ||
339 | /* Unsupported environment variable, mostly for debugging purposes */ | |
340 | if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0) | |
341 | return true; | |
342 | ||
343 | return false; | |
344 | } | |
345 | ||
346 | static int compare_unit_info(const void *a, const void *b) { | |
347 | const UnitInfo *u = a, *v = b; | |
348 | const char *d1, *d2; | |
349 | int r; | |
350 | ||
351 | /* First, order by machine */ | |
352 | if (!u->machine && v->machine) | |
353 | return -1; | |
354 | if (u->machine && !v->machine) | |
355 | return 1; | |
356 | if (u->machine && v->machine) { | |
357 | r = strcasecmp(u->machine, v->machine); | |
358 | if (r != 0) | |
359 | return r; | |
360 | } | |
361 | ||
362 | /* Second, order by unit type */ | |
363 | d1 = strrchr(u->id, '.'); | |
364 | d2 = strrchr(v->id, '.'); | |
365 | if (d1 && d2) { | |
366 | r = strcasecmp(d1, d2); | |
367 | if (r != 0) | |
368 | return r; | |
369 | } | |
370 | ||
371 | /* Third, order by name */ | |
372 | return strcasecmp(u->id, v->id); | |
373 | } | |
374 | ||
375 | static const char* unit_type_suffix(const char *name) { | |
376 | const char *dot; | |
377 | ||
378 | dot = strrchr(name, '.'); | |
379 | if (!dot) | |
380 | return ""; | |
381 | ||
382 | return dot + 1; | |
383 | } | |
384 | ||
385 | static bool output_show_unit(const UnitInfo *u, char **patterns) { | |
386 | assert(u); | |
387 | ||
388 | if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE)) | |
389 | return false; | |
390 | ||
391 | if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id))) | |
392 | return false; | |
393 | ||
394 | if (arg_all) | |
395 | return true; | |
396 | ||
397 | /* Note that '--all' is not purely a state filter, but also a | |
398 | * filter that hides units that "follow" other units (which is | |
399 | * used for device units that appear under different names). */ | |
400 | if (!isempty(u->following)) | |
401 | return false; | |
402 | ||
403 | if (!strv_isempty(arg_states)) | |
404 | return true; | |
405 | ||
406 | /* By default show all units except the ones in inactive | |
407 | * state and with no pending job */ | |
408 | if (u->job_id > 0) | |
409 | return true; | |
410 | ||
411 | if (streq(u->active_state, "inactive")) | |
412 | return false; | |
413 | ||
414 | return true; | |
415 | } | |
416 | ||
417 | static int output_units_list(const UnitInfo *unit_infos, unsigned c) { | |
418 | unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len; | |
419 | const UnitInfo *u; | |
420 | unsigned n_shown = 0; | |
421 | int job_count = 0; | |
422 | ||
423 | max_id_len = strlen("UNIT"); | |
424 | load_len = strlen("LOAD"); | |
425 | active_len = strlen("ACTIVE"); | |
426 | sub_len = strlen("SUB"); | |
427 | job_len = strlen("JOB"); | |
428 | max_desc_len = strlen("DESCRIPTION"); | |
429 | ||
430 | for (u = unit_infos; u < unit_infos + c; u++) { | |
431 | max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0)); | |
432 | load_len = MAX(load_len, strlen(u->load_state)); | |
433 | active_len = MAX(active_len, strlen(u->active_state)); | |
434 | sub_len = MAX(sub_len, strlen(u->sub_state)); | |
435 | max_desc_len = MAX(max_desc_len, strlen(u->description)); | |
436 | ||
437 | if (u->job_id != 0) { | |
438 | job_len = MAX(job_len, strlen(u->job_type)); | |
439 | job_count++; | |
440 | } | |
441 | ||
442 | if (!arg_no_legend && | |
443 | (streq(u->active_state, "failed") || | |
444 | STR_IN_SET(u->load_state, "error", "not-found", "masked"))) | |
445 | circle_len = 2; | |
446 | } | |
447 | ||
448 | if (!arg_full && original_stdout_is_tty) { | |
449 | unsigned basic_len; | |
450 | ||
451 | id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */ | |
452 | basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1; | |
453 | ||
454 | if (job_count) | |
455 | basic_len += job_len + 1; | |
456 | ||
457 | if (basic_len < (unsigned) columns()) { | |
458 | unsigned extra_len, incr; | |
459 | extra_len = columns() - basic_len; | |
460 | ||
461 | /* Either UNIT already got 25, or is fully satisfied. | |
462 | * Grant up to 25 to DESC now. */ | |
463 | incr = MIN(extra_len, 25u); | |
464 | desc_len = incr; | |
465 | extra_len -= incr; | |
466 | ||
467 | /* Of the remainder give as much as the ID needs to the ID, and give the rest to the | |
468 | * description but not more than it needs. */ | |
469 | if (extra_len > 0) { | |
470 | incr = MIN(max_id_len - id_len, extra_len); | |
471 | id_len += incr; | |
472 | desc_len += MIN(extra_len - incr, max_desc_len - desc_len); | |
473 | } | |
474 | } else | |
475 | desc_len = 0; | |
476 | } else { | |
477 | id_len = max_id_len; | |
478 | desc_len = max_desc_len; | |
479 | } | |
480 | ||
481 | for (u = unit_infos; u < unit_infos + c; u++) { | |
482 | _cleanup_free_ char *e = NULL, *j = NULL; | |
483 | const char *on_underline = "", *off_underline = ""; | |
484 | const char *on_loaded = "", *off_loaded = ""; | |
485 | const char *on_active = "", *off_active = ""; | |
486 | const char *on_circle = "", *off_circle = ""; | |
487 | const char *id; | |
488 | bool circle = false, underline = false; | |
489 | ||
490 | if (!n_shown && !arg_no_legend) { | |
491 | ||
492 | if (circle_len > 0) | |
493 | fputs(" ", stdout); | |
494 | ||
495 | printf("%s%-*s %-*s %-*s %-*s ", | |
496 | ansi_underline(), | |
497 | id_len, "UNIT", | |
498 | load_len, "LOAD", | |
499 | active_len, "ACTIVE", | |
500 | sub_len, "SUB"); | |
501 | ||
502 | if (job_count) | |
503 | printf("%-*s ", job_len, "JOB"); | |
504 | ||
505 | printf("%-*.*s%s\n", | |
506 | desc_len, | |
507 | !arg_full && arg_no_pager ? (int) desc_len : -1, | |
508 | "DESCRIPTION", | |
509 | ansi_normal()); | |
510 | } | |
511 | ||
512 | n_shown++; | |
513 | ||
514 | if (u + 1 < unit_infos + c && | |
515 | !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) { | |
516 | on_underline = ansi_underline(); | |
517 | off_underline = ansi_normal(); | |
518 | underline = true; | |
519 | } | |
520 | ||
521 | if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) { | |
522 | on_circle = ansi_highlight_yellow(); | |
523 | off_circle = ansi_normal(); | |
524 | circle = true; | |
525 | on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
526 | off_loaded = underline ? on_underline : ansi_normal(); | |
527 | } else if (streq(u->active_state, "failed") && !arg_plain) { | |
528 | on_circle = ansi_highlight_red(); | |
529 | off_circle = ansi_normal(); | |
530 | circle = true; | |
531 | on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
532 | off_active = underline ? on_underline : ansi_normal(); | |
533 | } | |
534 | ||
535 | if (u->machine) { | |
536 | j = strjoin(u->machine, ":", u->id); | |
537 | if (!j) | |
538 | return log_oom(); | |
539 | ||
540 | id = j; | |
541 | } else | |
542 | id = u->id; | |
543 | ||
544 | if (arg_full) { | |
545 | e = ellipsize(id, id_len, 33); | |
546 | if (!e) | |
547 | return log_oom(); | |
548 | ||
549 | id = e; | |
550 | } | |
551 | ||
552 | if (circle_len > 0) | |
553 | printf("%s%s%s ", on_circle, circle ? special_glyph(BLACK_CIRCLE) : " ", off_circle); | |
554 | ||
555 | printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s", | |
556 | on_underline, | |
557 | on_active, id_len, id, off_active, | |
558 | on_loaded, load_len, u->load_state, off_loaded, | |
559 | on_active, active_len, u->active_state, | |
560 | sub_len, u->sub_state, off_active, | |
561 | job_count ? job_len + 1 : 0, u->job_id ? u->job_type : ""); | |
562 | ||
563 | printf("%-*.*s%s\n", | |
564 | desc_len, | |
565 | !arg_full && arg_no_pager ? (int) desc_len : -1, | |
566 | u->description, | |
567 | off_underline); | |
568 | } | |
569 | ||
570 | if (!arg_no_legend) { | |
571 | const char *on, *off; | |
572 | ||
573 | if (n_shown) { | |
574 | puts("\n" | |
575 | "LOAD = Reflects whether the unit definition was properly loaded.\n" | |
576 | "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" | |
577 | "SUB = The low-level unit activation state, values depend on unit type."); | |
578 | puts(job_count ? "JOB = Pending job for the unit.\n" : ""); | |
579 | on = ansi_highlight(); | |
580 | off = ansi_normal(); | |
581 | } else { | |
582 | on = ansi_highlight_red(); | |
583 | off = ansi_normal(); | |
584 | } | |
585 | ||
586 | if (arg_all) | |
587 | printf("%s%u loaded units listed.%s\n" | |
588 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
589 | on, n_shown, off); | |
590 | else | |
591 | printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n" | |
592 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
593 | on, n_shown, off); | |
594 | } | |
595 | ||
596 | return 0; | |
597 | } | |
598 | ||
599 | static int get_unit_list( | |
600 | sd_bus *bus, | |
601 | const char *machine, | |
602 | char **patterns, | |
603 | UnitInfo **unit_infos, | |
604 | int c, | |
605 | sd_bus_message **_reply) { | |
606 | ||
607 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
608 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
609 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
610 | size_t size = c; | |
611 | int r; | |
612 | UnitInfo u; | |
613 | bool fallback = false; | |
614 | ||
615 | assert(bus); | |
616 | assert(unit_infos); | |
617 | assert(_reply); | |
618 | ||
619 | r = sd_bus_message_new_method_call( | |
620 | bus, | |
621 | &m, | |
622 | "org.freedesktop.systemd1", | |
623 | "/org/freedesktop/systemd1", | |
624 | "org.freedesktop.systemd1.Manager", | |
625 | "ListUnitsByPatterns"); | |
626 | if (r < 0) | |
627 | return bus_log_create_error(r); | |
628 | ||
629 | r = sd_bus_message_append_strv(m, arg_states); | |
630 | if (r < 0) | |
631 | return bus_log_create_error(r); | |
632 | ||
633 | r = sd_bus_message_append_strv(m, patterns); | |
634 | if (r < 0) | |
635 | return bus_log_create_error(r); | |
636 | ||
637 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
638 | if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) || | |
639 | sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) { | |
640 | /* Fallback to legacy ListUnitsFiltered method */ | |
641 | fallback = true; | |
642 | log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r)); | |
643 | m = sd_bus_message_unref(m); | |
644 | sd_bus_error_free(&error); | |
645 | ||
646 | r = sd_bus_message_new_method_call( | |
647 | bus, | |
648 | &m, | |
649 | "org.freedesktop.systemd1", | |
650 | "/org/freedesktop/systemd1", | |
651 | "org.freedesktop.systemd1.Manager", | |
652 | "ListUnitsFiltered"); | |
653 | if (r < 0) | |
654 | return bus_log_create_error(r); | |
655 | ||
656 | r = sd_bus_message_append_strv(m, arg_states); | |
657 | if (r < 0) | |
658 | return bus_log_create_error(r); | |
659 | ||
660 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
661 | } | |
662 | if (r < 0) | |
663 | return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r)); | |
664 | ||
665 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
666 | if (r < 0) | |
667 | return bus_log_parse_error(r); | |
668 | ||
669 | while ((r = bus_parse_unit_info(reply, &u)) > 0) { | |
670 | u.machine = machine; | |
671 | ||
672 | if (!output_show_unit(&u, fallback ? patterns : NULL)) | |
673 | continue; | |
674 | ||
675 | if (!GREEDY_REALLOC(*unit_infos, size, c+1)) | |
676 | return log_oom(); | |
677 | ||
678 | (*unit_infos)[c++] = u; | |
679 | } | |
680 | if (r < 0) | |
681 | return bus_log_parse_error(r); | |
682 | ||
683 | r = sd_bus_message_exit_container(reply); | |
684 | if (r < 0) | |
685 | return bus_log_parse_error(r); | |
686 | ||
687 | *_reply = reply; | |
688 | reply = NULL; | |
689 | ||
690 | return c; | |
691 | } | |
692 | ||
693 | static void message_set_freep(Set **set) { | |
694 | sd_bus_message *m; | |
695 | ||
696 | while ((m = set_steal_first(*set))) | |
697 | sd_bus_message_unref(m); | |
698 | ||
699 | set_free(*set); | |
700 | } | |
701 | ||
702 | static int get_unit_list_recursive( | |
703 | sd_bus *bus, | |
704 | char **patterns, | |
705 | UnitInfo **_unit_infos, | |
706 | Set **_replies, | |
707 | char ***_machines) { | |
708 | ||
709 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
710 | _cleanup_(message_set_freep) Set *replies; | |
711 | sd_bus_message *reply; | |
712 | int c, r; | |
713 | ||
714 | assert(bus); | |
715 | assert(_replies); | |
716 | assert(_unit_infos); | |
717 | assert(_machines); | |
718 | ||
719 | replies = set_new(NULL); | |
720 | if (!replies) | |
721 | return log_oom(); | |
722 | ||
723 | c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); | |
724 | if (c < 0) | |
725 | return c; | |
726 | ||
727 | r = set_put(replies, reply); | |
728 | if (r < 0) { | |
729 | sd_bus_message_unref(reply); | |
730 | return log_oom(); | |
731 | } | |
732 | ||
733 | if (arg_recursive) { | |
734 | _cleanup_strv_free_ char **machines = NULL; | |
735 | char **i; | |
736 | ||
737 | r = sd_get_machine_names(&machines); | |
738 | if (r < 0) | |
739 | return log_error_errno(r, "Failed to get machine names: %m"); | |
740 | ||
741 | STRV_FOREACH(i, machines) { | |
742 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL; | |
743 | int k; | |
744 | ||
745 | r = sd_bus_open_system_machine(&container, *i); | |
746 | if (r < 0) { | |
747 | log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i); | |
748 | continue; | |
749 | } | |
750 | ||
751 | k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply); | |
752 | if (k < 0) | |
753 | return k; | |
754 | ||
755 | c = k; | |
756 | ||
757 | r = set_put(replies, reply); | |
758 | if (r < 0) { | |
759 | sd_bus_message_unref(reply); | |
760 | return log_oom(); | |
761 | } | |
762 | } | |
763 | ||
764 | *_machines = machines; | |
765 | machines = NULL; | |
766 | } else | |
767 | *_machines = NULL; | |
768 | ||
769 | *_unit_infos = unit_infos; | |
770 | unit_infos = NULL; | |
771 | ||
772 | *_replies = replies; | |
773 | replies = NULL; | |
774 | ||
775 | return c; | |
776 | } | |
777 | ||
778 | static int list_units(int argc, char *argv[], void *userdata) { | |
779 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
780 | _cleanup_(message_set_freep) Set *replies = NULL; | |
781 | _cleanup_strv_free_ char **machines = NULL; | |
782 | sd_bus *bus; | |
783 | int r; | |
784 | ||
785 | r = acquire_bus(BUS_MANAGER, &bus); | |
786 | if (r < 0) | |
787 | return r; | |
788 | ||
789 | pager_open(arg_no_pager, false); | |
790 | ||
791 | r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
792 | if (r < 0) | |
793 | return r; | |
794 | ||
795 | qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info); | |
796 | return output_units_list(unit_infos, r); | |
797 | } | |
798 | ||
799 | static int get_triggered_units( | |
800 | sd_bus *bus, | |
801 | const char* path, | |
802 | char*** ret) { | |
803 | ||
804 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
805 | int r; | |
806 | ||
807 | assert(bus); | |
808 | assert(path); | |
809 | assert(ret); | |
810 | ||
811 | r = sd_bus_get_property_strv( | |
812 | bus, | |
813 | "org.freedesktop.systemd1", | |
814 | path, | |
815 | "org.freedesktop.systemd1.Unit", | |
816 | "Triggers", | |
817 | &error, | |
818 | ret); | |
819 | if (r < 0) | |
820 | return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r)); | |
821 | ||
822 | return 0; | |
823 | } | |
824 | ||
825 | static int get_listening( | |
826 | sd_bus *bus, | |
827 | const char* unit_path, | |
828 | char*** listening) { | |
829 | ||
830 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
831 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
832 | const char *type, *path; | |
833 | int r, n = 0; | |
834 | ||
835 | r = sd_bus_get_property( | |
836 | bus, | |
837 | "org.freedesktop.systemd1", | |
838 | unit_path, | |
839 | "org.freedesktop.systemd1.Socket", | |
840 | "Listen", | |
841 | &error, | |
842 | &reply, | |
843 | "a(ss)"); | |
844 | if (r < 0) | |
845 | return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r)); | |
846 | ||
847 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
848 | if (r < 0) | |
849 | return bus_log_parse_error(r); | |
850 | ||
851 | while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) { | |
852 | ||
853 | r = strv_extend(listening, type); | |
854 | if (r < 0) | |
855 | return log_oom(); | |
856 | ||
857 | r = strv_extend(listening, path); | |
858 | if (r < 0) | |
859 | return log_oom(); | |
860 | ||
861 | n++; | |
862 | } | |
863 | if (r < 0) | |
864 | return bus_log_parse_error(r); | |
865 | ||
866 | r = sd_bus_message_exit_container(reply); | |
867 | if (r < 0) | |
868 | return bus_log_parse_error(r); | |
869 | ||
870 | return n; | |
871 | } | |
872 | ||
873 | struct socket_info { | |
874 | const char *machine; | |
875 | const char* id; | |
876 | ||
877 | char* type; | |
878 | char* path; | |
879 | ||
880 | /* Note: triggered is a list here, although it almost certainly | |
881 | * will always be one unit. Nevertheless, dbus API allows for multiple | |
882 | * values, so let's follow that. */ | |
883 | char** triggered; | |
884 | ||
885 | /* The strv above is shared. free is set only in the first one. */ | |
886 | bool own_triggered; | |
887 | }; | |
888 | ||
889 | static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) { | |
890 | int o; | |
891 | ||
892 | assert(a); | |
893 | assert(b); | |
894 | ||
895 | if (!a->machine && b->machine) | |
896 | return -1; | |
897 | if (a->machine && !b->machine) | |
898 | return 1; | |
899 | if (a->machine && b->machine) { | |
900 | o = strcasecmp(a->machine, b->machine); | |
901 | if (o != 0) | |
902 | return o; | |
903 | } | |
904 | ||
905 | o = strcmp(a->path, b->path); | |
906 | if (o == 0) | |
907 | o = strcmp(a->type, b->type); | |
908 | ||
909 | return o; | |
910 | } | |
911 | ||
912 | static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { | |
913 | struct socket_info *s; | |
914 | unsigned pathlen = strlen("LISTEN"), | |
915 | typelen = strlen("TYPE") * arg_show_types, | |
916 | socklen = strlen("UNIT"), | |
917 | servlen = strlen("ACTIVATES"); | |
918 | const char *on, *off; | |
919 | ||
920 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
921 | unsigned tmp = 0; | |
922 | char **a; | |
923 | ||
924 | socklen = MAX(socklen, strlen(s->id)); | |
925 | if (arg_show_types) | |
926 | typelen = MAX(typelen, strlen(s->type)); | |
927 | pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0)); | |
928 | ||
929 | STRV_FOREACH(a, s->triggered) | |
930 | tmp += strlen(*a) + 2*(a != s->triggered); | |
931 | servlen = MAX(servlen, tmp); | |
932 | } | |
933 | ||
934 | if (cs) { | |
935 | if (!arg_no_legend) | |
936 | printf("%-*s %-*.*s%-*s %s\n", | |
937 | pathlen, "LISTEN", | |
938 | typelen + arg_show_types, typelen + arg_show_types, "TYPE ", | |
939 | socklen, "UNIT", | |
940 | "ACTIVATES"); | |
941 | ||
942 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
943 | _cleanup_free_ char *j = NULL; | |
944 | const char *path; | |
945 | char **a; | |
946 | ||
947 | if (s->machine) { | |
948 | j = strjoin(s->machine, ":", s->path); | |
949 | if (!j) | |
950 | return log_oom(); | |
951 | path = j; | |
952 | } else | |
953 | path = s->path; | |
954 | ||
955 | if (arg_show_types) | |
956 | printf("%-*s %-*s %-*s", | |
957 | pathlen, path, typelen, s->type, socklen, s->id); | |
958 | else | |
959 | printf("%-*s %-*s", | |
960 | pathlen, path, socklen, s->id); | |
961 | STRV_FOREACH(a, s->triggered) | |
962 | printf("%s %s", | |
963 | a == s->triggered ? "" : ",", *a); | |
964 | printf("\n"); | |
965 | } | |
966 | ||
967 | on = ansi_highlight(); | |
968 | off = ansi_normal(); | |
969 | if (!arg_no_legend) | |
970 | printf("\n"); | |
971 | } else { | |
972 | on = ansi_highlight_red(); | |
973 | off = ansi_normal(); | |
974 | } | |
975 | ||
976 | if (!arg_no_legend) { | |
977 | printf("%s%u sockets listed.%s\n", on, cs, off); | |
978 | if (!arg_all) | |
979 | printf("Pass --all to see loaded but inactive sockets, too.\n"); | |
980 | } | |
981 | ||
982 | return 0; | |
983 | } | |
984 | ||
985 | static int list_sockets(int argc, char *argv[], void *userdata) { | |
986 | _cleanup_(message_set_freep) Set *replies = NULL; | |
987 | _cleanup_strv_free_ char **machines = NULL; | |
988 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
989 | _cleanup_free_ struct socket_info *socket_infos = NULL; | |
990 | const UnitInfo *u; | |
991 | struct socket_info *s; | |
992 | unsigned cs = 0; | |
993 | size_t size = 0; | |
994 | int r = 0, n; | |
995 | sd_bus *bus; | |
996 | ||
997 | r = acquire_bus(BUS_MANAGER, &bus); | |
998 | if (r < 0) | |
999 | return r; | |
1000 | ||
1001 | pager_open(arg_no_pager, false); | |
1002 | ||
1003 | n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
1004 | if (n < 0) | |
1005 | return n; | |
1006 | ||
1007 | for (u = unit_infos; u < unit_infos + n; u++) { | |
1008 | _cleanup_strv_free_ char **listening = NULL, **triggered = NULL; | |
1009 | int i, c; | |
1010 | ||
1011 | if (!endswith(u->id, ".socket")) | |
1012 | continue; | |
1013 | ||
1014 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
1015 | if (r < 0) | |
1016 | goto cleanup; | |
1017 | ||
1018 | c = get_listening(bus, u->unit_path, &listening); | |
1019 | if (c < 0) { | |
1020 | r = c; | |
1021 | goto cleanup; | |
1022 | } | |
1023 | ||
1024 | if (!GREEDY_REALLOC(socket_infos, size, cs + c)) { | |
1025 | r = log_oom(); | |
1026 | goto cleanup; | |
1027 | } | |
1028 | ||
1029 | for (i = 0; i < c; i++) | |
1030 | socket_infos[cs + i] = (struct socket_info) { | |
1031 | .machine = u->machine, | |
1032 | .id = u->id, | |
1033 | .type = listening[i*2], | |
1034 | .path = listening[i*2 + 1], | |
1035 | .triggered = triggered, | |
1036 | .own_triggered = i==0, | |
1037 | }; | |
1038 | ||
1039 | /* from this point on we will cleanup those socket_infos */ | |
1040 | cs += c; | |
1041 | free(listening); | |
1042 | listening = triggered = NULL; /* avoid cleanup */ | |
1043 | } | |
1044 | ||
1045 | qsort_safe(socket_infos, cs, sizeof(struct socket_info), | |
1046 | (__compar_fn_t) socket_info_compare); | |
1047 | ||
1048 | output_sockets_list(socket_infos, cs); | |
1049 | ||
1050 | cleanup: | |
1051 | assert(cs == 0 || socket_infos); | |
1052 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
1053 | free(s->type); | |
1054 | free(s->path); | |
1055 | if (s->own_triggered) | |
1056 | strv_free(s->triggered); | |
1057 | } | |
1058 | ||
1059 | return r; | |
1060 | } | |
1061 | ||
1062 | static int get_next_elapse( | |
1063 | sd_bus *bus, | |
1064 | const char *path, | |
1065 | dual_timestamp *next) { | |
1066 | ||
1067 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1068 | dual_timestamp t; | |
1069 | int r; | |
1070 | ||
1071 | assert(bus); | |
1072 | assert(path); | |
1073 | assert(next); | |
1074 | ||
1075 | r = sd_bus_get_property_trivial( | |
1076 | bus, | |
1077 | "org.freedesktop.systemd1", | |
1078 | path, | |
1079 | "org.freedesktop.systemd1.Timer", | |
1080 | "NextElapseUSecMonotonic", | |
1081 | &error, | |
1082 | 't', | |
1083 | &t.monotonic); | |
1084 | if (r < 0) | |
1085 | return log_error_errno(r, "Failed to get next elapsation time: %s", bus_error_message(&error, r)); | |
1086 | ||
1087 | r = sd_bus_get_property_trivial( | |
1088 | bus, | |
1089 | "org.freedesktop.systemd1", | |
1090 | path, | |
1091 | "org.freedesktop.systemd1.Timer", | |
1092 | "NextElapseUSecRealtime", | |
1093 | &error, | |
1094 | 't', | |
1095 | &t.realtime); | |
1096 | if (r < 0) | |
1097 | return log_error_errno(r, "Failed to get next elapsation time: %s", bus_error_message(&error, r)); | |
1098 | ||
1099 | *next = t; | |
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | static int get_last_trigger( | |
1104 | sd_bus *bus, | |
1105 | const char *path, | |
1106 | usec_t *last) { | |
1107 | ||
1108 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1109 | int r; | |
1110 | ||
1111 | assert(bus); | |
1112 | assert(path); | |
1113 | assert(last); | |
1114 | ||
1115 | r = sd_bus_get_property_trivial( | |
1116 | bus, | |
1117 | "org.freedesktop.systemd1", | |
1118 | path, | |
1119 | "org.freedesktop.systemd1.Timer", | |
1120 | "LastTriggerUSec", | |
1121 | &error, | |
1122 | 't', | |
1123 | last); | |
1124 | if (r < 0) | |
1125 | return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r)); | |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | ||
1130 | struct timer_info { | |
1131 | const char* machine; | |
1132 | const char* id; | |
1133 | usec_t next_elapse; | |
1134 | usec_t last_trigger; | |
1135 | char** triggered; | |
1136 | }; | |
1137 | ||
1138 | static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { | |
1139 | int o; | |
1140 | ||
1141 | assert(a); | |
1142 | assert(b); | |
1143 | ||
1144 | if (!a->machine && b->machine) | |
1145 | return -1; | |
1146 | if (a->machine && !b->machine) | |
1147 | return 1; | |
1148 | if (a->machine && b->machine) { | |
1149 | o = strcasecmp(a->machine, b->machine); | |
1150 | if (o != 0) | |
1151 | return o; | |
1152 | } | |
1153 | ||
1154 | if (a->next_elapse < b->next_elapse) | |
1155 | return -1; | |
1156 | if (a->next_elapse > b->next_elapse) | |
1157 | return 1; | |
1158 | ||
1159 | return strcmp(a->id, b->id); | |
1160 | } | |
1161 | ||
1162 | static int output_timers_list(struct timer_info *timer_infos, unsigned n) { | |
1163 | struct timer_info *t; | |
1164 | unsigned | |
1165 | nextlen = strlen("NEXT"), | |
1166 | leftlen = strlen("LEFT"), | |
1167 | lastlen = strlen("LAST"), | |
1168 | passedlen = strlen("PASSED"), | |
1169 | unitlen = strlen("UNIT"), | |
1170 | activatelen = strlen("ACTIVATES"); | |
1171 | ||
1172 | const char *on, *off; | |
1173 | ||
1174 | assert(timer_infos || n == 0); | |
1175 | ||
1176 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1177 | unsigned ul = 0; | |
1178 | char **a; | |
1179 | ||
1180 | if (t->next_elapse > 0) { | |
1181 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1182 | ||
1183 | format_timestamp(tstamp, sizeof(tstamp), t->next_elapse); | |
1184 | nextlen = MAX(nextlen, strlen(tstamp) + 1); | |
1185 | ||
1186 | format_timestamp_relative(trel, sizeof(trel), t->next_elapse); | |
1187 | leftlen = MAX(leftlen, strlen(trel)); | |
1188 | } | |
1189 | ||
1190 | if (t->last_trigger > 0) { | |
1191 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1192 | ||
1193 | format_timestamp(tstamp, sizeof(tstamp), t->last_trigger); | |
1194 | lastlen = MAX(lastlen, strlen(tstamp) + 1); | |
1195 | ||
1196 | format_timestamp_relative(trel, sizeof(trel), t->last_trigger); | |
1197 | passedlen = MAX(passedlen, strlen(trel)); | |
1198 | } | |
1199 | ||
1200 | unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0)); | |
1201 | ||
1202 | STRV_FOREACH(a, t->triggered) | |
1203 | ul += strlen(*a) + 2*(a != t->triggered); | |
1204 | ||
1205 | activatelen = MAX(activatelen, ul); | |
1206 | } | |
1207 | ||
1208 | if (n > 0) { | |
1209 | if (!arg_no_legend) | |
1210 | printf("%-*s %-*s %-*s %-*s %-*s %s\n", | |
1211 | nextlen, "NEXT", | |
1212 | leftlen, "LEFT", | |
1213 | lastlen, "LAST", | |
1214 | passedlen, "PASSED", | |
1215 | unitlen, "UNIT", | |
1216 | "ACTIVATES"); | |
1217 | ||
1218 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1219 | _cleanup_free_ char *j = NULL; | |
1220 | const char *unit; | |
1221 | char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1222 | char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1223 | char **a; | |
1224 | ||
1225 | format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse); | |
1226 | format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse); | |
1227 | ||
1228 | format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger); | |
1229 | format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger); | |
1230 | ||
1231 | if (t->machine) { | |
1232 | j = strjoin(t->machine, ":", t->id); | |
1233 | if (!j) | |
1234 | return log_oom(); | |
1235 | unit = j; | |
1236 | } else | |
1237 | unit = t->id; | |
1238 | ||
1239 | printf("%-*s %-*s %-*s %-*s %-*s", | |
1240 | nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit); | |
1241 | ||
1242 | STRV_FOREACH(a, t->triggered) | |
1243 | printf("%s %s", | |
1244 | a == t->triggered ? "" : ",", *a); | |
1245 | printf("\n"); | |
1246 | } | |
1247 | ||
1248 | on = ansi_highlight(); | |
1249 | off = ansi_normal(); | |
1250 | if (!arg_no_legend) | |
1251 | printf("\n"); | |
1252 | } else { | |
1253 | on = ansi_highlight_red(); | |
1254 | off = ansi_normal(); | |
1255 | } | |
1256 | ||
1257 | if (!arg_no_legend) { | |
1258 | printf("%s%u timers listed.%s\n", on, n, off); | |
1259 | if (!arg_all) | |
1260 | printf("Pass --all to see loaded but inactive timers, too.\n"); | |
1261 | } | |
1262 | ||
1263 | return 0; | |
1264 | } | |
1265 | ||
1266 | static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { | |
1267 | usec_t next_elapse; | |
1268 | ||
1269 | assert(nw); | |
1270 | assert(next); | |
1271 | ||
1272 | if (next->monotonic != USEC_INFINITY && next->monotonic > 0) { | |
1273 | usec_t converted; | |
1274 | ||
1275 | if (next->monotonic > nw->monotonic) | |
1276 | converted = nw->realtime + (next->monotonic - nw->monotonic); | |
1277 | else | |
1278 | converted = nw->realtime - (nw->monotonic - next->monotonic); | |
1279 | ||
1280 | if (next->realtime != USEC_INFINITY && next->realtime > 0) | |
1281 | next_elapse = MIN(converted, next->realtime); | |
1282 | else | |
1283 | next_elapse = converted; | |
1284 | ||
1285 | } else | |
1286 | next_elapse = next->realtime; | |
1287 | ||
1288 | return next_elapse; | |
1289 | } | |
1290 | ||
1291 | static int list_timers(int argc, char *argv[], void *userdata) { | |
1292 | _cleanup_(message_set_freep) Set *replies = NULL; | |
1293 | _cleanup_strv_free_ char **machines = NULL; | |
1294 | _cleanup_free_ struct timer_info *timer_infos = NULL; | |
1295 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
1296 | struct timer_info *t; | |
1297 | const UnitInfo *u; | |
1298 | size_t size = 0; | |
1299 | int n, c = 0; | |
1300 | dual_timestamp nw; | |
1301 | sd_bus *bus; | |
1302 | int r = 0; | |
1303 | ||
1304 | r = acquire_bus(BUS_MANAGER, &bus); | |
1305 | if (r < 0) | |
1306 | return r; | |
1307 | ||
1308 | pager_open(arg_no_pager, false); | |
1309 | ||
1310 | n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
1311 | if (n < 0) | |
1312 | return n; | |
1313 | ||
1314 | dual_timestamp_get(&nw); | |
1315 | ||
1316 | for (u = unit_infos; u < unit_infos + n; u++) { | |
1317 | _cleanup_strv_free_ char **triggered = NULL; | |
1318 | dual_timestamp next = DUAL_TIMESTAMP_NULL; | |
1319 | usec_t m, last = 0; | |
1320 | ||
1321 | if (!endswith(u->id, ".timer")) | |
1322 | continue; | |
1323 | ||
1324 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
1325 | if (r < 0) | |
1326 | goto cleanup; | |
1327 | ||
1328 | r = get_next_elapse(bus, u->unit_path, &next); | |
1329 | if (r < 0) | |
1330 | goto cleanup; | |
1331 | ||
1332 | get_last_trigger(bus, u->unit_path, &last); | |
1333 | ||
1334 | if (!GREEDY_REALLOC(timer_infos, size, c+1)) { | |
1335 | r = log_oom(); | |
1336 | goto cleanup; | |
1337 | } | |
1338 | ||
1339 | m = calc_next_elapse(&nw, &next); | |
1340 | ||
1341 | timer_infos[c++] = (struct timer_info) { | |
1342 | .machine = u->machine, | |
1343 | .id = u->id, | |
1344 | .next_elapse = m, | |
1345 | .last_trigger = last, | |
1346 | .triggered = triggered, | |
1347 | }; | |
1348 | ||
1349 | triggered = NULL; /* avoid cleanup */ | |
1350 | } | |
1351 | ||
1352 | qsort_safe(timer_infos, c, sizeof(struct timer_info), | |
1353 | (__compar_fn_t) timer_info_compare); | |
1354 | ||
1355 | output_timers_list(timer_infos, c); | |
1356 | ||
1357 | cleanup: | |
1358 | for (t = timer_infos; t < timer_infos + c; t++) | |
1359 | strv_free(t->triggered); | |
1360 | ||
1361 | return r; | |
1362 | } | |
1363 | ||
1364 | static int compare_unit_file_list(const void *a, const void *b) { | |
1365 | const char *d1, *d2; | |
1366 | const UnitFileList *u = a, *v = b; | |
1367 | ||
1368 | d1 = strrchr(u->path, '.'); | |
1369 | d2 = strrchr(v->path, '.'); | |
1370 | ||
1371 | if (d1 && d2) { | |
1372 | int r; | |
1373 | ||
1374 | r = strcasecmp(d1, d2); | |
1375 | if (r != 0) | |
1376 | return r; | |
1377 | } | |
1378 | ||
1379 | return strcasecmp(basename(u->path), basename(v->path)); | |
1380 | } | |
1381 | ||
1382 | static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) { | |
1383 | assert(u); | |
1384 | ||
1385 | if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE)) | |
1386 | return false; | |
1387 | ||
1388 | if (!strv_isempty(arg_types)) { | |
1389 | const char *dot; | |
1390 | ||
1391 | dot = strrchr(u->path, '.'); | |
1392 | if (!dot) | |
1393 | return false; | |
1394 | ||
1395 | if (!strv_find(arg_types, dot+1)) | |
1396 | return false; | |
1397 | } | |
1398 | ||
1399 | if (!strv_isempty(states) && | |
1400 | !strv_find(states, unit_file_state_to_string(u->state))) | |
1401 | return false; | |
1402 | ||
1403 | return true; | |
1404 | } | |
1405 | ||
1406 | static void output_unit_file_list(const UnitFileList *units, unsigned c) { | |
1407 | unsigned max_id_len, id_cols, state_cols; | |
1408 | const UnitFileList *u; | |
1409 | ||
1410 | max_id_len = strlen("UNIT FILE"); | |
1411 | state_cols = strlen("STATE"); | |
1412 | ||
1413 | for (u = units; u < units + c; u++) { | |
1414 | max_id_len = MAX(max_id_len, strlen(basename(u->path))); | |
1415 | state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); | |
1416 | } | |
1417 | ||
1418 | if (!arg_full) { | |
1419 | unsigned basic_cols; | |
1420 | ||
1421 | id_cols = MIN(max_id_len, 25u); | |
1422 | basic_cols = 1 + id_cols + state_cols; | |
1423 | if (basic_cols < (unsigned) columns()) | |
1424 | id_cols += MIN(columns() - basic_cols, max_id_len - id_cols); | |
1425 | } else | |
1426 | id_cols = max_id_len; | |
1427 | ||
1428 | if (!arg_no_legend && c > 0) | |
1429 | printf("%s%-*s %-*s%s\n", | |
1430 | ansi_underline(), | |
1431 | id_cols, "UNIT FILE", | |
1432 | state_cols, "STATE", | |
1433 | ansi_normal()); | |
1434 | ||
1435 | for (u = units; u < units + c; u++) { | |
1436 | const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id; | |
1437 | _cleanup_free_ char *e = NULL; | |
1438 | bool underline; | |
1439 | ||
1440 | underline = u + 1 < units + c && | |
1441 | !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path)); | |
1442 | ||
1443 | if (underline) | |
1444 | on_underline = ansi_underline(); | |
1445 | ||
1446 | if (IN_SET(u->state, | |
1447 | UNIT_FILE_MASKED, | |
1448 | UNIT_FILE_MASKED_RUNTIME, | |
1449 | UNIT_FILE_DISABLED, | |
1450 | UNIT_FILE_BAD)) | |
1451 | on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
1452 | else if (u->state == UNIT_FILE_ENABLED) | |
1453 | on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green(); | |
1454 | ||
1455 | if (on_underline || on_color) | |
1456 | off = ansi_normal(); | |
1457 | ||
1458 | id = basename(u->path); | |
1459 | ||
1460 | e = arg_full ? NULL : ellipsize(id, id_cols, 33); | |
1461 | ||
1462 | printf("%s%-*s %s%-*s%s\n", | |
1463 | strempty(on_underline), | |
1464 | id_cols, e ? e : id, | |
1465 | strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off)); | |
1466 | } | |
1467 | ||
1468 | if (!arg_no_legend) | |
1469 | printf("\n%u unit files listed.\n", c); | |
1470 | } | |
1471 | ||
1472 | static int list_unit_files(int argc, char *argv[], void *userdata) { | |
1473 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1474 | _cleanup_free_ UnitFileList *units = NULL; | |
1475 | UnitFileList *unit; | |
1476 | size_t size = 0; | |
1477 | unsigned c = 0; | |
1478 | const char *state; | |
1479 | char *path; | |
1480 | int r; | |
1481 | bool fallback = false; | |
1482 | ||
1483 | if (install_client_side()) { | |
1484 | Hashmap *h; | |
1485 | UnitFileList *u; | |
1486 | Iterator i; | |
1487 | unsigned n_units; | |
1488 | ||
1489 | h = hashmap_new(&string_hash_ops); | |
1490 | if (!h) | |
1491 | return log_oom(); | |
1492 | ||
1493 | r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1)); | |
1494 | if (r < 0) { | |
1495 | unit_file_list_free(h); | |
1496 | return log_error_errno(r, "Failed to get unit file list: %m"); | |
1497 | } | |
1498 | ||
1499 | n_units = hashmap_size(h); | |
1500 | ||
1501 | units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */ | |
1502 | if (!units) { | |
1503 | unit_file_list_free(h); | |
1504 | return log_oom(); | |
1505 | } | |
1506 | ||
1507 | HASHMAP_FOREACH(u, h, i) { | |
1508 | if (!output_show_unit_file(u, NULL, NULL)) | |
1509 | continue; | |
1510 | ||
1511 | units[c++] = *u; | |
1512 | free(u); | |
1513 | } | |
1514 | ||
1515 | assert(c <= n_units); | |
1516 | hashmap_free(h); | |
1517 | ||
1518 | r = 0; | |
1519 | } else { | |
1520 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
1521 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1522 | sd_bus *bus; | |
1523 | ||
1524 | r = acquire_bus(BUS_MANAGER, &bus); | |
1525 | if (r < 0) | |
1526 | return r; | |
1527 | ||
1528 | r = sd_bus_message_new_method_call( | |
1529 | bus, | |
1530 | &m, | |
1531 | "org.freedesktop.systemd1", | |
1532 | "/org/freedesktop/systemd1", | |
1533 | "org.freedesktop.systemd1.Manager", | |
1534 | "ListUnitFilesByPatterns"); | |
1535 | if (r < 0) | |
1536 | return bus_log_create_error(r); | |
1537 | ||
1538 | r = sd_bus_message_append_strv(m, arg_states); | |
1539 | if (r < 0) | |
1540 | return bus_log_create_error(r); | |
1541 | ||
1542 | r = sd_bus_message_append_strv(m, strv_skip(argv, 1)); | |
1543 | if (r < 0) | |
1544 | return bus_log_create_error(r); | |
1545 | ||
1546 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1547 | if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) { | |
1548 | /* Fallback to legacy ListUnitFiles method */ | |
1549 | fallback = true; | |
1550 | log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r)); | |
1551 | m = sd_bus_message_unref(m); | |
1552 | sd_bus_error_free(&error); | |
1553 | ||
1554 | r = sd_bus_message_new_method_call( | |
1555 | bus, | |
1556 | &m, | |
1557 | "org.freedesktop.systemd1", | |
1558 | "/org/freedesktop/systemd1", | |
1559 | "org.freedesktop.systemd1.Manager", | |
1560 | "ListUnitFiles"); | |
1561 | if (r < 0) | |
1562 | return bus_log_create_error(r); | |
1563 | ||
1564 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1565 | } | |
1566 | if (r < 0) | |
1567 | return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r)); | |
1568 | ||
1569 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
1570 | if (r < 0) | |
1571 | return bus_log_parse_error(r); | |
1572 | ||
1573 | while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) { | |
1574 | ||
1575 | if (!GREEDY_REALLOC(units, size, c + 1)) | |
1576 | return log_oom(); | |
1577 | ||
1578 | units[c] = (struct UnitFileList) { | |
1579 | path, | |
1580 | unit_file_state_from_string(state) | |
1581 | }; | |
1582 | ||
1583 | if (output_show_unit_file(&units[c], | |
1584 | fallback ? arg_states : NULL, | |
1585 | fallback ? strv_skip(argv, 1) : NULL)) | |
1586 | c++; | |
1587 | ||
1588 | } | |
1589 | if (r < 0) | |
1590 | return bus_log_parse_error(r); | |
1591 | ||
1592 | r = sd_bus_message_exit_container(reply); | |
1593 | if (r < 0) | |
1594 | return bus_log_parse_error(r); | |
1595 | } | |
1596 | ||
1597 | pager_open(arg_no_pager, false); | |
1598 | ||
1599 | qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list); | |
1600 | output_unit_file_list(units, c); | |
1601 | ||
1602 | if (install_client_side()) | |
1603 | for (unit = units; unit < units + c; unit++) | |
1604 | free(unit->path); | |
1605 | ||
1606 | return 0; | |
1607 | } | |
1608 | ||
1609 | static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) { | |
1610 | _cleanup_free_ char *n = NULL; | |
1611 | size_t max_len = MAX(columns(),20u); | |
1612 | size_t len = 0; | |
1613 | int i; | |
1614 | ||
1615 | if (!arg_plain) { | |
1616 | ||
1617 | for (i = level - 1; i >= 0; i--) { | |
1618 | len += 2; | |
1619 | if (len > max_len - 3 && !arg_full) { | |
1620 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1621 | return 0; | |
1622 | } | |
1623 | printf("%s", special_glyph(branches & (1 << i) ? TREE_VERTICAL : TREE_SPACE)); | |
1624 | } | |
1625 | len += 2; | |
1626 | ||
1627 | if (len > max_len - 3 && !arg_full) { | |
1628 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1629 | return 0; | |
1630 | } | |
1631 | ||
1632 | printf("%s", special_glyph(last ? TREE_RIGHT : TREE_BRANCH)); | |
1633 | } | |
1634 | ||
1635 | if (arg_full) { | |
1636 | printf("%s\n", name); | |
1637 | return 0; | |
1638 | } | |
1639 | ||
1640 | n = ellipsize(name, max_len-len, 100); | |
1641 | if (!n) | |
1642 | return log_oom(); | |
1643 | ||
1644 | printf("%s\n", n); | |
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) { | |
1649 | ||
1650 | static const char *dependencies[_DEPENDENCY_MAX] = { | |
1651 | [DEPENDENCY_FORWARD] = "Requires\0" | |
1652 | "Requisite\0" | |
1653 | "Wants\0" | |
1654 | "ConsistsOf\0" | |
1655 | "BindsTo\0", | |
1656 | [DEPENDENCY_REVERSE] = "RequiredBy\0" | |
1657 | "RequisiteOf\0" | |
1658 | "WantedBy\0" | |
1659 | "PartOf\0" | |
1660 | "BoundBy\0", | |
1661 | [DEPENDENCY_AFTER] = "After\0", | |
1662 | [DEPENDENCY_BEFORE] = "Before\0", | |
1663 | }; | |
1664 | ||
1665 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1666 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1667 | _cleanup_strv_free_ char **ret = NULL; | |
1668 | _cleanup_free_ char *path = NULL; | |
1669 | int r; | |
1670 | ||
1671 | assert(bus); | |
1672 | assert(name); | |
1673 | assert(deps); | |
1674 | assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX); | |
1675 | ||
1676 | path = unit_dbus_path_from_name(name); | |
1677 | if (!path) | |
1678 | return log_oom(); | |
1679 | ||
1680 | r = sd_bus_call_method( | |
1681 | bus, | |
1682 | "org.freedesktop.systemd1", | |
1683 | path, | |
1684 | "org.freedesktop.DBus.Properties", | |
1685 | "GetAll", | |
1686 | &error, | |
1687 | &reply, | |
1688 | "s", "org.freedesktop.systemd1.Unit"); | |
1689 | if (r < 0) | |
1690 | return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r)); | |
1691 | ||
1692 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); | |
1693 | if (r < 0) | |
1694 | return bus_log_parse_error(r); | |
1695 | ||
1696 | while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
1697 | const char *prop; | |
1698 | ||
1699 | r = sd_bus_message_read(reply, "s", &prop); | |
1700 | if (r < 0) | |
1701 | return bus_log_parse_error(r); | |
1702 | ||
1703 | if (!nulstr_contains(dependencies[arg_dependency], prop)) { | |
1704 | r = sd_bus_message_skip(reply, "v"); | |
1705 | if (r < 0) | |
1706 | return bus_log_parse_error(r); | |
1707 | } else { | |
1708 | ||
1709 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as"); | |
1710 | if (r < 0) | |
1711 | return bus_log_parse_error(r); | |
1712 | ||
1713 | r = bus_message_read_strv_extend(reply, &ret); | |
1714 | if (r < 0) | |
1715 | return bus_log_parse_error(r); | |
1716 | ||
1717 | r = sd_bus_message_exit_container(reply); | |
1718 | if (r < 0) | |
1719 | return bus_log_parse_error(r); | |
1720 | } | |
1721 | ||
1722 | r = sd_bus_message_exit_container(reply); | |
1723 | if (r < 0) | |
1724 | return bus_log_parse_error(r); | |
1725 | ||
1726 | } | |
1727 | if (r < 0) | |
1728 | return bus_log_parse_error(r); | |
1729 | ||
1730 | r = sd_bus_message_exit_container(reply); | |
1731 | if (r < 0) | |
1732 | return bus_log_parse_error(r); | |
1733 | ||
1734 | *deps = strv_uniq(ret); | |
1735 | ret = NULL; | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | static int list_dependencies_compare(const void *_a, const void *_b) { | |
1741 | const char **a = (const char**) _a, **b = (const char**) _b; | |
1742 | ||
1743 | if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET) | |
1744 | return 1; | |
1745 | if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET) | |
1746 | return -1; | |
1747 | ||
1748 | return strcasecmp(*a, *b); | |
1749 | } | |
1750 | ||
1751 | static int list_dependencies_one( | |
1752 | sd_bus *bus, | |
1753 | const char *name, | |
1754 | int level, | |
1755 | char ***units, | |
1756 | unsigned int branches) { | |
1757 | ||
1758 | _cleanup_strv_free_ char **deps = NULL; | |
1759 | char **c; | |
1760 | int r = 0; | |
1761 | ||
1762 | assert(bus); | |
1763 | assert(name); | |
1764 | assert(units); | |
1765 | ||
1766 | r = strv_extend(units, name); | |
1767 | if (r < 0) | |
1768 | return log_oom(); | |
1769 | ||
1770 | r = list_dependencies_get_dependencies(bus, name, &deps); | |
1771 | if (r < 0) | |
1772 | return r; | |
1773 | ||
1774 | qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare); | |
1775 | ||
1776 | STRV_FOREACH(c, deps) { | |
1777 | if (strv_contains(*units, *c)) { | |
1778 | if (!arg_plain) { | |
1779 | printf(" "); | |
1780 | r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1); | |
1781 | if (r < 0) | |
1782 | return r; | |
1783 | } | |
1784 | continue; | |
1785 | } | |
1786 | ||
1787 | if (arg_plain) | |
1788 | printf(" "); | |
1789 | else { | |
1790 | UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID; | |
1791 | const char *on; | |
1792 | ||
1793 | (void) get_state_one_unit(bus, *c, &active_state); | |
1794 | ||
1795 | switch (active_state) { | |
1796 | case UNIT_ACTIVE: | |
1797 | case UNIT_RELOADING: | |
1798 | case UNIT_ACTIVATING: | |
1799 | on = ansi_highlight_green(); | |
1800 | break; | |
1801 | ||
1802 | case UNIT_INACTIVE: | |
1803 | case UNIT_DEACTIVATING: | |
1804 | on = ansi_normal(); | |
1805 | break; | |
1806 | ||
1807 | default: | |
1808 | on = ansi_highlight_red(); | |
1809 | break; | |
1810 | } | |
1811 | ||
1812 | printf("%s%s%s ", on, special_glyph(BLACK_CIRCLE), ansi_normal()); | |
1813 | } | |
1814 | ||
1815 | r = list_dependencies_print(*c, level, branches, c[1] == NULL); | |
1816 | if (r < 0) | |
1817 | return r; | |
1818 | ||
1819 | if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) { | |
1820 | r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1)); | |
1821 | if (r < 0) | |
1822 | return r; | |
1823 | } | |
1824 | } | |
1825 | ||
1826 | if (!arg_plain) | |
1827 | strv_remove(*units, name); | |
1828 | ||
1829 | return 0; | |
1830 | } | |
1831 | ||
1832 | static int list_dependencies(int argc, char *argv[], void *userdata) { | |
1833 | _cleanup_strv_free_ char **units = NULL; | |
1834 | _cleanup_free_ char *unit = NULL; | |
1835 | const char *u; | |
1836 | sd_bus *bus; | |
1837 | int r; | |
1838 | ||
1839 | if (argv[1]) { | |
1840 | r = unit_name_mangle(argv[1], UNIT_NAME_NOGLOB, &unit); | |
1841 | if (r < 0) | |
1842 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
1843 | ||
1844 | u = unit; | |
1845 | } else | |
1846 | u = SPECIAL_DEFAULT_TARGET; | |
1847 | ||
1848 | r = acquire_bus(BUS_MANAGER, &bus); | |
1849 | if (r < 0) | |
1850 | return r; | |
1851 | ||
1852 | pager_open(arg_no_pager, false); | |
1853 | ||
1854 | puts(u); | |
1855 | ||
1856 | return list_dependencies_one(bus, u, 0, &units, 0); | |
1857 | } | |
1858 | ||
1859 | struct machine_info { | |
1860 | bool is_host; | |
1861 | char *name; | |
1862 | char *state; | |
1863 | char *control_group; | |
1864 | uint32_t n_failed_units; | |
1865 | uint32_t n_jobs; | |
1866 | usec_t timestamp; | |
1867 | }; | |
1868 | ||
1869 | static const struct bus_properties_map machine_info_property_map[] = { | |
1870 | { "SystemState", "s", NULL, offsetof(struct machine_info, state) }, | |
1871 | { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) }, | |
1872 | { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) }, | |
1873 | { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) }, | |
1874 | { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) }, | |
1875 | {} | |
1876 | }; | |
1877 | ||
1878 | static void machine_info_clear(struct machine_info *info) { | |
1879 | assert(info); | |
1880 | ||
1881 | free(info->name); | |
1882 | free(info->state); | |
1883 | free(info->control_group); | |
1884 | zero(*info); | |
1885 | } | |
1886 | ||
1887 | static void free_machines_list(struct machine_info *machine_infos, int n) { | |
1888 | int i; | |
1889 | ||
1890 | if (!machine_infos) | |
1891 | return; | |
1892 | ||
1893 | for (i = 0; i < n; i++) | |
1894 | machine_info_clear(&machine_infos[i]); | |
1895 | ||
1896 | free(machine_infos); | |
1897 | } | |
1898 | ||
1899 | static int compare_machine_info(const void *a, const void *b) { | |
1900 | const struct machine_info *u = a, *v = b; | |
1901 | ||
1902 | if (u->is_host != v->is_host) | |
1903 | return u->is_host > v->is_host ? -1 : 1; | |
1904 | ||
1905 | return strcasecmp(u->name, v->name); | |
1906 | } | |
1907 | ||
1908 | static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { | |
1909 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL; | |
1910 | int r; | |
1911 | ||
1912 | assert(mi); | |
1913 | ||
1914 | if (!bus) { | |
1915 | r = sd_bus_open_system_machine(&container, mi->name); | |
1916 | if (r < 0) | |
1917 | return r; | |
1918 | ||
1919 | bus = container; | |
1920 | } | |
1921 | ||
1922 | r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, NULL, mi); | |
1923 | if (r < 0) | |
1924 | return r; | |
1925 | ||
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | static bool output_show_machine(const char *name, char **patterns) { | |
1930 | return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE); | |
1931 | } | |
1932 | ||
1933 | static int get_machine_list( | |
1934 | sd_bus *bus, | |
1935 | struct machine_info **_machine_infos, | |
1936 | char **patterns) { | |
1937 | ||
1938 | struct machine_info *machine_infos = NULL; | |
1939 | _cleanup_strv_free_ char **m = NULL; | |
1940 | _cleanup_free_ char *hn = NULL; | |
1941 | size_t sz = 0; | |
1942 | char **i; | |
1943 | int c = 0, r; | |
1944 | ||
1945 | hn = gethostname_malloc(); | |
1946 | if (!hn) | |
1947 | return log_oom(); | |
1948 | ||
1949 | if (output_show_machine(hn, patterns)) { | |
1950 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) | |
1951 | return log_oom(); | |
1952 | ||
1953 | machine_infos[c].is_host = true; | |
1954 | machine_infos[c].name = hn; | |
1955 | hn = NULL; | |
1956 | ||
1957 | (void) get_machine_properties(bus, &machine_infos[c]); | |
1958 | c++; | |
1959 | } | |
1960 | ||
1961 | r = sd_get_machine_names(&m); | |
1962 | if (r < 0) | |
1963 | return log_error_errno(r, "Failed to get machine list: %m"); | |
1964 | ||
1965 | STRV_FOREACH(i, m) { | |
1966 | _cleanup_free_ char *class = NULL; | |
1967 | ||
1968 | if (!output_show_machine(*i, patterns)) | |
1969 | continue; | |
1970 | ||
1971 | sd_machine_get_class(*i, &class); | |
1972 | if (!streq_ptr(class, "container")) | |
1973 | continue; | |
1974 | ||
1975 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) { | |
1976 | free_machines_list(machine_infos, c); | |
1977 | return log_oom(); | |
1978 | } | |
1979 | ||
1980 | machine_infos[c].is_host = false; | |
1981 | machine_infos[c].name = strdup(*i); | |
1982 | if (!machine_infos[c].name) { | |
1983 | free_machines_list(machine_infos, c); | |
1984 | return log_oom(); | |
1985 | } | |
1986 | ||
1987 | (void) get_machine_properties(NULL, &machine_infos[c]); | |
1988 | c++; | |
1989 | } | |
1990 | ||
1991 | *_machine_infos = machine_infos; | |
1992 | return c; | |
1993 | } | |
1994 | ||
1995 | static void output_machines_list(struct machine_info *machine_infos, unsigned n) { | |
1996 | struct machine_info *m; | |
1997 | unsigned | |
1998 | circle_len = 0, | |
1999 | namelen = sizeof("NAME") - 1, | |
2000 | statelen = sizeof("STATE") - 1, | |
2001 | failedlen = sizeof("FAILED") - 1, | |
2002 | jobslen = sizeof("JOBS") - 1; | |
2003 | ||
2004 | assert(machine_infos || n == 0); | |
2005 | ||
2006 | for (m = machine_infos; m < machine_infos + n; m++) { | |
2007 | namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0)); | |
2008 | statelen = MAX(statelen, strlen_ptr(m->state)); | |
2009 | failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units)); | |
2010 | jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs)); | |
2011 | ||
2012 | if (!arg_plain && !streq_ptr(m->state, "running")) | |
2013 | circle_len = 2; | |
2014 | } | |
2015 | ||
2016 | if (!arg_no_legend) { | |
2017 | if (circle_len > 0) | |
2018 | fputs(" ", stdout); | |
2019 | ||
2020 | printf("%-*s %-*s %-*s %-*s\n", | |
2021 | namelen, "NAME", | |
2022 | statelen, "STATE", | |
2023 | failedlen, "FAILED", | |
2024 | jobslen, "JOBS"); | |
2025 | } | |
2026 | ||
2027 | for (m = machine_infos; m < machine_infos + n; m++) { | |
2028 | const char *on_state = "", *off_state = ""; | |
2029 | const char *on_failed = "", *off_failed = ""; | |
2030 | bool circle = false; | |
2031 | ||
2032 | if (streq_ptr(m->state, "degraded")) { | |
2033 | on_state = ansi_highlight_red(); | |
2034 | off_state = ansi_normal(); | |
2035 | circle = true; | |
2036 | } else if (!streq_ptr(m->state, "running")) { | |
2037 | on_state = ansi_highlight_yellow(); | |
2038 | off_state = ansi_normal(); | |
2039 | circle = true; | |
2040 | } | |
2041 | ||
2042 | if (m->n_failed_units > 0) { | |
2043 | on_failed = ansi_highlight_red(); | |
2044 | off_failed = ansi_normal(); | |
2045 | } else | |
2046 | on_failed = off_failed = ""; | |
2047 | ||
2048 | if (circle_len > 0) | |
2049 | printf("%s%s%s ", on_state, circle ? special_glyph(BLACK_CIRCLE) : " ", off_state); | |
2050 | ||
2051 | if (m->is_host) | |
2052 | printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n", | |
2053 | (int) (namelen - (sizeof(" (host)")-1)), strna(m->name), | |
2054 | on_state, statelen, strna(m->state), off_state, | |
2055 | on_failed, failedlen, m->n_failed_units, off_failed, | |
2056 | jobslen, m->n_jobs); | |
2057 | else | |
2058 | printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n", | |
2059 | namelen, strna(m->name), | |
2060 | on_state, statelen, strna(m->state), off_state, | |
2061 | on_failed, failedlen, m->n_failed_units, off_failed, | |
2062 | jobslen, m->n_jobs); | |
2063 | } | |
2064 | ||
2065 | if (!arg_no_legend) | |
2066 | printf("\n%u machines listed.\n", n); | |
2067 | } | |
2068 | ||
2069 | static int list_machines(int argc, char *argv[], void *userdata) { | |
2070 | struct machine_info *machine_infos = NULL; | |
2071 | sd_bus *bus; | |
2072 | int r; | |
2073 | ||
2074 | if (geteuid() != 0) { | |
2075 | log_error("Must be root."); | |
2076 | return -EPERM; | |
2077 | } | |
2078 | ||
2079 | r = acquire_bus(BUS_MANAGER, &bus); | |
2080 | if (r < 0) | |
2081 | return r; | |
2082 | ||
2083 | r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1)); | |
2084 | if (r < 0) | |
2085 | return r; | |
2086 | ||
2087 | pager_open(arg_no_pager, false); | |
2088 | ||
2089 | qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info); | |
2090 | output_machines_list(machine_infos, r); | |
2091 | free_machines_list(machine_infos, r); | |
2092 | ||
2093 | return 0; | |
2094 | } | |
2095 | ||
2096 | static int get_default(int argc, char *argv[], void *userdata) { | |
2097 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2098 | _cleanup_free_ char *_path = NULL; | |
2099 | const char *path; | |
2100 | int r; | |
2101 | ||
2102 | if (install_client_side()) { | |
2103 | r = unit_file_get_default(arg_scope, arg_root, &_path); | |
2104 | if (r < 0) | |
2105 | return log_error_errno(r, "Failed to get default target: %m"); | |
2106 | path = _path; | |
2107 | ||
2108 | r = 0; | |
2109 | } else { | |
2110 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2111 | sd_bus *bus; | |
2112 | ||
2113 | r = acquire_bus(BUS_MANAGER, &bus); | |
2114 | if (r < 0) | |
2115 | return r; | |
2116 | ||
2117 | r = sd_bus_call_method( | |
2118 | bus, | |
2119 | "org.freedesktop.systemd1", | |
2120 | "/org/freedesktop/systemd1", | |
2121 | "org.freedesktop.systemd1.Manager", | |
2122 | "GetDefaultTarget", | |
2123 | &error, | |
2124 | &reply, | |
2125 | NULL); | |
2126 | if (r < 0) | |
2127 | return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r)); | |
2128 | ||
2129 | r = sd_bus_message_read(reply, "s", &path); | |
2130 | if (r < 0) | |
2131 | return bus_log_parse_error(r); | |
2132 | } | |
2133 | ||
2134 | if (path) | |
2135 | printf("%s\n", path); | |
2136 | ||
2137 | return 0; | |
2138 | } | |
2139 | ||
2140 | static int set_default(int argc, char *argv[], void *userdata) { | |
2141 | _cleanup_free_ char *unit = NULL; | |
2142 | UnitFileChange *changes = NULL; | |
2143 | unsigned n_changes = 0; | |
2144 | int r; | |
2145 | ||
2146 | assert(argc >= 2); | |
2147 | assert(argv); | |
2148 | ||
2149 | r = unit_name_mangle_with_suffix(argv[1], UNIT_NAME_NOGLOB, ".target", &unit); | |
2150 | if (r < 0) | |
2151 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2152 | ||
2153 | if (install_client_side()) { | |
2154 | r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes); | |
2155 | unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet); | |
2156 | ||
2157 | if (r > 0) | |
2158 | r = 0; | |
2159 | } else { | |
2160 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2161 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2162 | sd_bus *bus; | |
2163 | ||
2164 | polkit_agent_open_maybe(); | |
2165 | ||
2166 | r = acquire_bus(BUS_MANAGER, &bus); | |
2167 | if (r < 0) | |
2168 | return r; | |
2169 | ||
2170 | r = sd_bus_call_method( | |
2171 | bus, | |
2172 | "org.freedesktop.systemd1", | |
2173 | "/org/freedesktop/systemd1", | |
2174 | "org.freedesktop.systemd1.Manager", | |
2175 | "SetDefaultTarget", | |
2176 | &error, | |
2177 | &reply, | |
2178 | "sb", unit, 1); | |
2179 | if (r < 0) | |
2180 | return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r)); | |
2181 | ||
2182 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
2183 | if (r < 0) | |
2184 | goto finish; | |
2185 | ||
2186 | /* Try to reload if enabled */ | |
2187 | if (!arg_no_reload) | |
2188 | r = daemon_reload(argc, argv, userdata); | |
2189 | else | |
2190 | r = 0; | |
2191 | } | |
2192 | ||
2193 | finish: | |
2194 | unit_file_changes_free(changes, n_changes); | |
2195 | ||
2196 | return r; | |
2197 | } | |
2198 | ||
2199 | static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) { | |
2200 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2201 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2202 | const char *name, *type, *state, *job_path, *unit_path; | |
2203 | uint32_t other_id; | |
2204 | int r; | |
2205 | ||
2206 | assert(bus); | |
2207 | ||
2208 | r = sd_bus_call_method( | |
2209 | bus, | |
2210 | "org.freedesktop.systemd1", | |
2211 | "/org/freedesktop/systemd1", | |
2212 | "org.freedesktop.systemd1.Manager", | |
2213 | method, | |
2214 | &error, | |
2215 | &reply, | |
2216 | "u", id); | |
2217 | if (r < 0) | |
2218 | return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id); | |
2219 | ||
2220 | r = sd_bus_message_enter_container(reply, 'a', "(usssoo)"); | |
2221 | if (r < 0) | |
2222 | return bus_log_parse_error(r); | |
2223 | ||
2224 | while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, &state, &job_path, &unit_path)) > 0) | |
2225 | printf("%s %u (%s/%s)\n", prefix, other_id, name, type); | |
2226 | if (r < 0) | |
2227 | return bus_log_parse_error(r); | |
2228 | ||
2229 | r = sd_bus_message_exit_container(reply); | |
2230 | if (r < 0) | |
2231 | return bus_log_parse_error(r); | |
2232 | ||
2233 | return 0; | |
2234 | } | |
2235 | ||
2236 | struct job_info { | |
2237 | uint32_t id; | |
2238 | const char *name, *type, *state; | |
2239 | }; | |
2240 | ||
2241 | static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) { | |
2242 | unsigned id_len, unit_len, type_len, state_len; | |
2243 | const struct job_info *j; | |
2244 | const char *on, *off; | |
2245 | bool shorten = false; | |
2246 | ||
2247 | assert(n == 0 || jobs); | |
2248 | ||
2249 | if (n == 0) { | |
2250 | if (!arg_no_legend) { | |
2251 | on = ansi_highlight_green(); | |
2252 | off = ansi_normal(); | |
2253 | ||
2254 | printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off); | |
2255 | } | |
2256 | return; | |
2257 | } | |
2258 | ||
2259 | pager_open(arg_no_pager, false); | |
2260 | ||
2261 | id_len = strlen("JOB"); | |
2262 | unit_len = strlen("UNIT"); | |
2263 | type_len = strlen("TYPE"); | |
2264 | state_len = strlen("STATE"); | |
2265 | ||
2266 | for (j = jobs; j < jobs + n; j++) { | |
2267 | uint32_t id = j->id; | |
2268 | assert(j->name && j->type && j->state); | |
2269 | ||
2270 | id_len = MAX(id_len, DECIMAL_STR_WIDTH(id)); | |
2271 | unit_len = MAX(unit_len, strlen(j->name)); | |
2272 | type_len = MAX(type_len, strlen(j->type)); | |
2273 | state_len = MAX(state_len, strlen(j->state)); | |
2274 | } | |
2275 | ||
2276 | if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) { | |
2277 | unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3); | |
2278 | shorten = true; | |
2279 | } | |
2280 | ||
2281 | if (!arg_no_legend) | |
2282 | printf("%*s %-*s %-*s %-*s\n", | |
2283 | id_len, "JOB", | |
2284 | unit_len, "UNIT", | |
2285 | type_len, "TYPE", | |
2286 | state_len, "STATE"); | |
2287 | ||
2288 | for (j = jobs; j < jobs + n; j++) { | |
2289 | _cleanup_free_ char *e = NULL; | |
2290 | ||
2291 | if (streq(j->state, "running")) { | |
2292 | on = ansi_highlight(); | |
2293 | off = ansi_normal(); | |
2294 | } else | |
2295 | on = off = ""; | |
2296 | ||
2297 | e = shorten ? ellipsize(j->name, unit_len, 33) : NULL; | |
2298 | printf("%*u %s%-*s%s %-*s %s%-*s%s\n", | |
2299 | id_len, j->id, | |
2300 | on, unit_len, e ? e : j->name, off, | |
2301 | type_len, j->type, | |
2302 | on, state_len, j->state, off); | |
2303 | ||
2304 | if (arg_jobs_after) | |
2305 | output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job"); | |
2306 | if (arg_jobs_before) | |
2307 | output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job"); | |
2308 | } | |
2309 | ||
2310 | if (!arg_no_legend) { | |
2311 | on = ansi_highlight(); | |
2312 | off = ansi_normal(); | |
2313 | ||
2314 | printf("\n%s%u jobs listed%s.\n", on, n, off); | |
2315 | } | |
2316 | } | |
2317 | ||
2318 | static bool output_show_job(struct job_info *job, char **patterns) { | |
2319 | return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE); | |
2320 | } | |
2321 | ||
2322 | static int list_jobs(int argc, char *argv[], void *userdata) { | |
2323 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2324 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2325 | const char *name, *type, *state, *job_path, *unit_path; | |
2326 | _cleanup_free_ struct job_info *jobs = NULL; | |
2327 | size_t size = 0; | |
2328 | unsigned c = 0; | |
2329 | sd_bus *bus; | |
2330 | uint32_t id; | |
2331 | int r; | |
2332 | bool skipped = false; | |
2333 | ||
2334 | r = acquire_bus(BUS_MANAGER, &bus); | |
2335 | if (r < 0) | |
2336 | return r; | |
2337 | ||
2338 | r = sd_bus_call_method( | |
2339 | bus, | |
2340 | "org.freedesktop.systemd1", | |
2341 | "/org/freedesktop/systemd1", | |
2342 | "org.freedesktop.systemd1.Manager", | |
2343 | "ListJobs", | |
2344 | &error, | |
2345 | &reply, | |
2346 | NULL); | |
2347 | if (r < 0) | |
2348 | return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r)); | |
2349 | ||
2350 | r = sd_bus_message_enter_container(reply, 'a', "(usssoo)"); | |
2351 | if (r < 0) | |
2352 | return bus_log_parse_error(r); | |
2353 | ||
2354 | while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) { | |
2355 | struct job_info job = { id, name, type, state }; | |
2356 | ||
2357 | if (!output_show_job(&job, strv_skip(argv, 1))) { | |
2358 | skipped = true; | |
2359 | continue; | |
2360 | } | |
2361 | ||
2362 | if (!GREEDY_REALLOC(jobs, size, c + 1)) | |
2363 | return log_oom(); | |
2364 | ||
2365 | jobs[c++] = job; | |
2366 | } | |
2367 | if (r < 0) | |
2368 | return bus_log_parse_error(r); | |
2369 | ||
2370 | r = sd_bus_message_exit_container(reply); | |
2371 | if (r < 0) | |
2372 | return bus_log_parse_error(r); | |
2373 | ||
2374 | pager_open(arg_no_pager, false); | |
2375 | ||
2376 | output_jobs_list(bus, jobs, c, skipped); | |
2377 | return 0; | |
2378 | } | |
2379 | ||
2380 | static int cancel_job(int argc, char *argv[], void *userdata) { | |
2381 | sd_bus *bus; | |
2382 | char **name; | |
2383 | int r = 0; | |
2384 | ||
2385 | if (argc <= 1) | |
2386 | return trivial_method(argc, argv, userdata); | |
2387 | ||
2388 | r = acquire_bus(BUS_MANAGER, &bus); | |
2389 | if (r < 0) | |
2390 | return r; | |
2391 | ||
2392 | polkit_agent_open_maybe(); | |
2393 | ||
2394 | STRV_FOREACH(name, strv_skip(argv, 1)) { | |
2395 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2396 | uint32_t id; | |
2397 | int q; | |
2398 | ||
2399 | q = safe_atou32(*name, &id); | |
2400 | if (q < 0) | |
2401 | return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name); | |
2402 | ||
2403 | q = sd_bus_call_method( | |
2404 | bus, | |
2405 | "org.freedesktop.systemd1", | |
2406 | "/org/freedesktop/systemd1", | |
2407 | "org.freedesktop.systemd1.Manager", | |
2408 | "CancelJob", | |
2409 | &error, | |
2410 | NULL, | |
2411 | "u", id); | |
2412 | if (q < 0) { | |
2413 | log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q)); | |
2414 | if (r == 0) | |
2415 | r = q; | |
2416 | } | |
2417 | } | |
2418 | ||
2419 | return r; | |
2420 | } | |
2421 | ||
2422 | static int need_daemon_reload(sd_bus *bus, const char *unit) { | |
2423 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2424 | const char *path; | |
2425 | int b, r; | |
2426 | ||
2427 | /* We ignore all errors here, since this is used to show a | |
2428 | * warning only */ | |
2429 | ||
2430 | /* We don't use unit_dbus_path_from_name() directly since we | |
2431 | * don't want to load the unit if it isn't loaded. */ | |
2432 | ||
2433 | r = sd_bus_call_method( | |
2434 | bus, | |
2435 | "org.freedesktop.systemd1", | |
2436 | "/org/freedesktop/systemd1", | |
2437 | "org.freedesktop.systemd1.Manager", | |
2438 | "GetUnit", | |
2439 | NULL, | |
2440 | &reply, | |
2441 | "s", unit); | |
2442 | if (r < 0) | |
2443 | return r; | |
2444 | ||
2445 | r = sd_bus_message_read(reply, "o", &path); | |
2446 | if (r < 0) | |
2447 | return r; | |
2448 | ||
2449 | r = sd_bus_get_property_trivial( | |
2450 | bus, | |
2451 | "org.freedesktop.systemd1", | |
2452 | path, | |
2453 | "org.freedesktop.systemd1.Unit", | |
2454 | "NeedDaemonReload", | |
2455 | NULL, | |
2456 | 'b', &b); | |
2457 | if (r < 0) | |
2458 | return r; | |
2459 | ||
2460 | return b; | |
2461 | } | |
2462 | ||
2463 | static void warn_unit_file_changed(const char *name) { | |
2464 | assert(name); | |
2465 | ||
2466 | log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.", | |
2467 | ansi_highlight_red(), | |
2468 | ansi_normal(), | |
2469 | name, | |
2470 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); | |
2471 | } | |
2472 | ||
2473 | static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) { | |
2474 | char **p; | |
2475 | ||
2476 | assert(lp); | |
2477 | assert(unit_name); | |
2478 | ||
2479 | STRV_FOREACH(p, lp->search_path) { | |
2480 | _cleanup_free_ char *path = NULL, *lpath = NULL; | |
2481 | int r; | |
2482 | ||
2483 | path = path_join(NULL, *p, unit_name); | |
2484 | if (!path) | |
2485 | return log_oom(); | |
2486 | ||
2487 | r = chase_symlinks(path, arg_root, 0, &lpath); | |
2488 | if (r == -ENOENT) | |
2489 | continue; | |
2490 | if (r == -ENOMEM) | |
2491 | return log_oom(); | |
2492 | if (r < 0) | |
2493 | return log_error_errno(r, "Failed to access path '%s': %m", path); | |
2494 | ||
2495 | if (unit_path) { | |
2496 | *unit_path = lpath; | |
2497 | lpath = NULL; | |
2498 | } | |
2499 | return 1; | |
2500 | } | |
2501 | ||
2502 | return 0; | |
2503 | } | |
2504 | ||
2505 | static int unit_find_template_path( | |
2506 | const char *unit_name, | |
2507 | LookupPaths *lp, | |
2508 | char **fragment_path, | |
2509 | char **template) { | |
2510 | ||
2511 | _cleanup_free_ char *_template = NULL; | |
2512 | int r; | |
2513 | ||
2514 | /* Returns 1 if a fragment was found, 0 if not found, negative on error. */ | |
2515 | ||
2516 | r = unit_file_find_path(lp, unit_name, fragment_path); | |
2517 | if (r != 0) | |
2518 | return r; /* error or found a real unit */ | |
2519 | ||
2520 | r = unit_name_template(unit_name, &_template); | |
2521 | if (r == -EINVAL) | |
2522 | return 0; /* not a template, does not exist */ | |
2523 | if (r < 0) | |
2524 | return log_error_errno(r, "Failed to determine template name: %m"); | |
2525 | ||
2526 | r = unit_file_find_path(lp, _template, fragment_path); | |
2527 | if (r < 0) | |
2528 | return r; | |
2529 | ||
2530 | if (template) { | |
2531 | *template = _template; | |
2532 | _template = NULL; | |
2533 | } | |
2534 | return r; | |
2535 | } | |
2536 | ||
2537 | static int unit_find_paths( | |
2538 | sd_bus *bus, | |
2539 | const char *unit_name, | |
2540 | LookupPaths *lp, | |
2541 | char **fragment_path, | |
2542 | char ***dropin_paths) { | |
2543 | ||
2544 | _cleanup_free_ char *path = NULL; | |
2545 | _cleanup_strv_free_ char **dropins = NULL; | |
2546 | int r; | |
2547 | ||
2548 | /** | |
2549 | * Finds where the unit is defined on disk. Returns 0 if the unit | |
2550 | * is not found. Returns 1 if it is found, and sets | |
2551 | * - the path to the unit in *path, if it exists on disk, | |
2552 | * - and a strv of existing drop-ins in *dropins, | |
2553 | * if the arg is not NULL and any dropins were found. | |
2554 | */ | |
2555 | ||
2556 | assert(unit_name); | |
2557 | assert(fragment_path); | |
2558 | assert(lp); | |
2559 | ||
2560 | if (!install_client_side() && !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) { | |
2561 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2562 | _cleanup_free_ char *unit = NULL; | |
2563 | ||
2564 | unit = unit_dbus_path_from_name(unit_name); | |
2565 | if (!unit) | |
2566 | return log_oom(); | |
2567 | ||
2568 | r = sd_bus_get_property_string( | |
2569 | bus, | |
2570 | "org.freedesktop.systemd1", | |
2571 | unit, | |
2572 | "org.freedesktop.systemd1.Unit", | |
2573 | "FragmentPath", | |
2574 | &error, | |
2575 | &path); | |
2576 | if (r < 0) | |
2577 | return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r)); | |
2578 | ||
2579 | if (dropin_paths) { | |
2580 | r = sd_bus_get_property_strv( | |
2581 | bus, | |
2582 | "org.freedesktop.systemd1", | |
2583 | unit, | |
2584 | "org.freedesktop.systemd1.Unit", | |
2585 | "DropInPaths", | |
2586 | &error, | |
2587 | &dropins); | |
2588 | if (r < 0) | |
2589 | return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r)); | |
2590 | } | |
2591 | } else { | |
2592 | _cleanup_set_free_ Set *names = NULL; | |
2593 | _cleanup_free_ char *template = NULL; | |
2594 | ||
2595 | names = set_new(NULL); | |
2596 | if (!names) | |
2597 | return log_oom(); | |
2598 | ||
2599 | r = unit_find_template_path(unit_name, lp, &path, &template); | |
2600 | if (r < 0) | |
2601 | return r; | |
2602 | ||
2603 | if (r > 0) | |
2604 | /* We found the unit file. If we followed symlinks, this name might be | |
2605 | * different then the unit_name with started with. Look for dropins matching | |
2606 | * that "final" name. */ | |
2607 | r = set_put(names, basename(path)); | |
2608 | else if (!template) | |
2609 | /* No unit file, let's look for dropins matching the original name. | |
2610 | * systemd has fairly complicated rules (based on unit type and provenience), | |
2611 | * which units are allowed not to have the main unit file. We err on the | |
2612 | * side of including too many files, and always try to load dropins. */ | |
2613 | r = set_put(names, unit_name); | |
2614 | else | |
2615 | /* The cases where we allow a unit to exist without the main file are | |
2616 | * never valid for templates. Don't try to load dropins in this case. */ | |
2617 | goto not_found; | |
2618 | ||
2619 | if (r < 0) | |
2620 | return log_error_errno(r, "Failed to add unit name: %m"); | |
2621 | ||
2622 | if (dropin_paths) { | |
2623 | r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, | |
2624 | NULL, names, &dropins); | |
2625 | if (r < 0) | |
2626 | return r; | |
2627 | } | |
2628 | } | |
2629 | ||
2630 | r = 0; | |
2631 | ||
2632 | if (!isempty(path)) { | |
2633 | *fragment_path = path; | |
2634 | path = NULL; | |
2635 | r = 1; | |
2636 | } | |
2637 | ||
2638 | if (dropin_paths && !strv_isempty(dropins)) { | |
2639 | *dropin_paths = dropins; | |
2640 | dropins = NULL; | |
2641 | r = 1; | |
2642 | } | |
2643 | not_found: | |
2644 | if (r == 0 && !arg_force) | |
2645 | log_error("No files found for %s.", unit_name); | |
2646 | ||
2647 | return r; | |
2648 | } | |
2649 | ||
2650 | static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) { | |
2651 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2652 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2653 | _cleanup_free_ char *buf = NULL; | |
2654 | UnitActiveState state; | |
2655 | const char *path; | |
2656 | int r; | |
2657 | ||
2658 | assert(name); | |
2659 | assert(active_state); | |
2660 | ||
2661 | /* We don't use unit_dbus_path_from_name() directly since we don't want to load the unit unnecessarily, if it | |
2662 | * isn't loaded. */ | |
2663 | r = sd_bus_call_method( | |
2664 | bus, | |
2665 | "org.freedesktop.systemd1", | |
2666 | "/org/freedesktop/systemd1", | |
2667 | "org.freedesktop.systemd1.Manager", | |
2668 | "GetUnit", | |
2669 | &error, | |
2670 | &reply, | |
2671 | "s", name); | |
2672 | if (r < 0) { | |
2673 | if (!sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT)) | |
2674 | return log_error_errno(r, "Failed to retrieve unit: %s", bus_error_message(&error, r)); | |
2675 | ||
2676 | /* The unit is currently not loaded, hence say it's "inactive", since all units that aren't loaded are | |
2677 | * considered inactive. */ | |
2678 | state = UNIT_INACTIVE; | |
2679 | ||
2680 | } else { | |
2681 | r = sd_bus_message_read(reply, "o", &path); | |
2682 | if (r < 0) | |
2683 | return bus_log_parse_error(r); | |
2684 | ||
2685 | r = sd_bus_get_property_string( | |
2686 | bus, | |
2687 | "org.freedesktop.systemd1", | |
2688 | path, | |
2689 | "org.freedesktop.systemd1.Unit", | |
2690 | "ActiveState", | |
2691 | &error, | |
2692 | &buf); | |
2693 | if (r < 0) | |
2694 | return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r)); | |
2695 | ||
2696 | state = unit_active_state_from_string(buf); | |
2697 | if (state == _UNIT_ACTIVE_STATE_INVALID) { | |
2698 | log_error("Invalid unit state '%s' for: %s", buf, name); | |
2699 | return -EINVAL; | |
2700 | } | |
2701 | } | |
2702 | ||
2703 | *active_state = state; | |
2704 | return 0; | |
2705 | } | |
2706 | ||
2707 | static int check_triggering_units( | |
2708 | sd_bus *bus, | |
2709 | const char *name) { | |
2710 | ||
2711 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2712 | _cleanup_free_ char *path = NULL, *n = NULL, *load_state = NULL; | |
2713 | _cleanup_strv_free_ char **triggered_by = NULL; | |
2714 | bool print_warning_label = true; | |
2715 | UnitActiveState active_state; | |
2716 | char **i; | |
2717 | int r; | |
2718 | ||
2719 | r = unit_name_mangle(name, UNIT_NAME_NOGLOB, &n); | |
2720 | if (r < 0) | |
2721 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2722 | ||
2723 | path = unit_dbus_path_from_name(n); | |
2724 | if (!path) | |
2725 | return log_oom(); | |
2726 | ||
2727 | r = sd_bus_get_property_string( | |
2728 | bus, | |
2729 | "org.freedesktop.systemd1", | |
2730 | path, | |
2731 | "org.freedesktop.systemd1.Unit", | |
2732 | "LoadState", | |
2733 | &error, | |
2734 | &load_state); | |
2735 | if (r < 0) | |
2736 | return log_error_errno(r, "Failed to get load state of %s: %s", n, bus_error_message(&error, r)); | |
2737 | ||
2738 | if (streq(load_state, "masked")) | |
2739 | return 0; | |
2740 | ||
2741 | r = sd_bus_get_property_strv( | |
2742 | bus, | |
2743 | "org.freedesktop.systemd1", | |
2744 | path, | |
2745 | "org.freedesktop.systemd1.Unit", | |
2746 | "TriggeredBy", | |
2747 | &error, | |
2748 | &triggered_by); | |
2749 | if (r < 0) | |
2750 | return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r)); | |
2751 | ||
2752 | STRV_FOREACH(i, triggered_by) { | |
2753 | r = get_state_one_unit(bus, *i, &active_state); | |
2754 | if (r < 0) | |
2755 | return r; | |
2756 | ||
2757 | if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING)) | |
2758 | continue; | |
2759 | ||
2760 | if (print_warning_label) { | |
2761 | log_warning("Warning: Stopping %s, but it can still be activated by:", n); | |
2762 | print_warning_label = false; | |
2763 | } | |
2764 | ||
2765 | log_warning(" %s", *i); | |
2766 | } | |
2767 | ||
2768 | return 0; | |
2769 | } | |
2770 | ||
2771 | static const struct { | |
2772 | const char *verb; | |
2773 | const char *method; | |
2774 | } unit_actions[] = { | |
2775 | { "start", "StartUnit" }, | |
2776 | { "stop", "StopUnit" }, | |
2777 | { "condstop", "StopUnit" }, | |
2778 | { "reload", "ReloadUnit" }, | |
2779 | { "restart", "RestartUnit" }, | |
2780 | { "try-restart", "TryRestartUnit" }, | |
2781 | { "condrestart", "TryRestartUnit" }, | |
2782 | { "reload-or-restart", "ReloadOrRestartUnit" }, | |
2783 | { "try-reload-or-restart", "ReloadOrTryRestartUnit" }, | |
2784 | { "reload-or-try-restart", "ReloadOrTryRestartUnit" }, | |
2785 | { "condreload", "ReloadOrTryRestartUnit" }, | |
2786 | { "force-reload", "ReloadOrTryRestartUnit" } | |
2787 | }; | |
2788 | ||
2789 | static const char *verb_to_method(const char *verb) { | |
2790 | uint i; | |
2791 | ||
2792 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2793 | if (streq_ptr(unit_actions[i].verb, verb)) | |
2794 | return unit_actions[i].method; | |
2795 | ||
2796 | return "StartUnit"; | |
2797 | } | |
2798 | ||
2799 | static const char *method_to_verb(const char *method) { | |
2800 | uint i; | |
2801 | ||
2802 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2803 | if (streq_ptr(unit_actions[i].method, method)) | |
2804 | return unit_actions[i].verb; | |
2805 | ||
2806 | return "n/a"; | |
2807 | } | |
2808 | ||
2809 | typedef struct { | |
2810 | sd_bus_slot *match; | |
2811 | sd_event *event; | |
2812 | Set *unit_paths; | |
2813 | bool any_failed; | |
2814 | } WaitContext; | |
2815 | ||
2816 | static void wait_context_free(WaitContext *c) { | |
2817 | c->match = sd_bus_slot_unref(c->match); | |
2818 | c->event = sd_event_unref(c->event); | |
2819 | c->unit_paths = set_free_free(c->unit_paths); | |
2820 | } | |
2821 | ||
2822 | static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
2823 | WaitContext *c = userdata; | |
2824 | const char *path; | |
2825 | int r; | |
2826 | ||
2827 | path = sd_bus_message_get_path(m); | |
2828 | if (!set_contains(c->unit_paths, path)) | |
2829 | return 0; | |
2830 | ||
2831 | /* Check if ActiveState changed to inactive/failed */ | |
2832 | /* (s interface, a{sv} changed_properties, as invalidated_properties) */ | |
2833 | r = sd_bus_message_skip(m, "s"); | |
2834 | if (r < 0) | |
2835 | return bus_log_parse_error(r); | |
2836 | ||
2837 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}"); | |
2838 | if (r < 0) | |
2839 | return bus_log_parse_error(r); | |
2840 | ||
2841 | while ((r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
2842 | const char *s; | |
2843 | ||
2844 | r = sd_bus_message_read(m, "s", &s); | |
2845 | if (r < 0) | |
2846 | return bus_log_parse_error(r); | |
2847 | ||
2848 | if (streq(s, "ActiveState")) { | |
2849 | bool is_failed; | |
2850 | ||
2851 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_VARIANT, "s"); | |
2852 | if (r < 0) | |
2853 | return bus_log_parse_error(r); | |
2854 | ||
2855 | r = sd_bus_message_read(m, "s", &s); | |
2856 | if (r < 0) | |
2857 | return bus_log_parse_error(r); | |
2858 | ||
2859 | is_failed = streq(s, "failed"); | |
2860 | if (streq(s, "inactive") || is_failed) { | |
2861 | log_debug("%s became %s, dropping from --wait tracking", path, s); | |
2862 | free(set_remove(c->unit_paths, path)); | |
2863 | c->any_failed = c->any_failed || is_failed; | |
2864 | } else | |
2865 | log_debug("ActiveState on %s changed to %s", path, s); | |
2866 | ||
2867 | break; /* no need to dissect the rest of the message */ | |
2868 | } else { | |
2869 | /* other property */ | |
2870 | r = sd_bus_message_skip(m, "v"); | |
2871 | if (r < 0) | |
2872 | return bus_log_parse_error(r); | |
2873 | } | |
2874 | r = sd_bus_message_exit_container(m); | |
2875 | if (r < 0) | |
2876 | return bus_log_parse_error(r); | |
2877 | } | |
2878 | if (r < 0) | |
2879 | return bus_log_parse_error(r); | |
2880 | ||
2881 | if (set_isempty(c->unit_paths)) | |
2882 | sd_event_exit(c->event, EXIT_SUCCESS); | |
2883 | ||
2884 | return 0; | |
2885 | } | |
2886 | ||
2887 | static int start_unit_one( | |
2888 | sd_bus *bus, | |
2889 | const char *method, | |
2890 | const char *name, | |
2891 | const char *mode, | |
2892 | sd_bus_error *error, | |
2893 | BusWaitForJobs *w, | |
2894 | WaitContext *wait_context) { | |
2895 | ||
2896 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2897 | const char *path; | |
2898 | int r; | |
2899 | ||
2900 | assert(method); | |
2901 | assert(name); | |
2902 | assert(mode); | |
2903 | assert(error); | |
2904 | ||
2905 | if (wait_context) { | |
2906 | _cleanup_free_ char *unit_path = NULL; | |
2907 | const char* mt; | |
2908 | ||
2909 | log_debug("Watching for property changes of %s", name); | |
2910 | r = sd_bus_call_method( | |
2911 | bus, | |
2912 | "org.freedesktop.systemd1", | |
2913 | "/org/freedesktop/systemd1", | |
2914 | "org.freedesktop.systemd1.Manager", | |
2915 | "RefUnit", | |
2916 | error, | |
2917 | NULL, | |
2918 | "s", name); | |
2919 | if (r < 0) | |
2920 | return log_error_errno(r, "Failed to RefUnit %s: %s", name, bus_error_message(error, r)); | |
2921 | ||
2922 | unit_path = unit_dbus_path_from_name(name); | |
2923 | if (!unit_path) | |
2924 | return log_oom(); | |
2925 | ||
2926 | r = set_put_strdup(wait_context->unit_paths, unit_path); | |
2927 | if (r < 0) | |
2928 | return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path); | |
2929 | ||
2930 | mt = strjoina("type='signal'," | |
2931 | "interface='org.freedesktop.DBus.Properties'," | |
2932 | "path='", unit_path, "'," | |
2933 | "member='PropertiesChanged'"); | |
2934 | r = sd_bus_add_match(bus, &wait_context->match, mt, on_properties_changed, wait_context); | |
2935 | if (r < 0) | |
2936 | return log_error_errno(r, "Failed to add match for PropertiesChanged signal: %m"); | |
2937 | } | |
2938 | ||
2939 | log_debug("Calling manager for %s on %s, %s", method, name, mode); | |
2940 | ||
2941 | r = sd_bus_call_method( | |
2942 | bus, | |
2943 | "org.freedesktop.systemd1", | |
2944 | "/org/freedesktop/systemd1", | |
2945 | "org.freedesktop.systemd1.Manager", | |
2946 | method, | |
2947 | error, | |
2948 | &reply, | |
2949 | "ss", name, mode); | |
2950 | if (r < 0) { | |
2951 | const char *verb; | |
2952 | ||
2953 | /* There's always a fallback possible for legacy actions. */ | |
2954 | if (arg_action != ACTION_SYSTEMCTL) | |
2955 | return r; | |
2956 | ||
2957 | verb = method_to_verb(method); | |
2958 | ||
2959 | log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r)); | |
2960 | ||
2961 | if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) && | |
2962 | !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED)) | |
2963 | log_error("See %s logs and 'systemctl%s status%s %s' for details.", | |
2964 | arg_scope == UNIT_FILE_SYSTEM ? "system" : "user", | |
2965 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user", | |
2966 | name[0] == '-' ? " --" : "", | |
2967 | name); | |
2968 | ||
2969 | return r; | |
2970 | } | |
2971 | ||
2972 | r = sd_bus_message_read(reply, "o", &path); | |
2973 | if (r < 0) | |
2974 | return bus_log_parse_error(r); | |
2975 | ||
2976 | if (need_daemon_reload(bus, name) > 0) | |
2977 | warn_unit_file_changed(name); | |
2978 | ||
2979 | if (w) { | |
2980 | log_debug("Adding %s to the set", path); | |
2981 | r = bus_wait_for_jobs_add(w, path); | |
2982 | if (r < 0) | |
2983 | return log_oom(); | |
2984 | } | |
2985 | ||
2986 | return 0; | |
2987 | } | |
2988 | ||
2989 | static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) { | |
2990 | _cleanup_strv_free_ char **mangled = NULL, **globs = NULL; | |
2991 | char **name; | |
2992 | int r, i; | |
2993 | ||
2994 | assert(bus); | |
2995 | assert(ret); | |
2996 | ||
2997 | STRV_FOREACH(name, names) { | |
2998 | char *t; | |
2999 | ||
3000 | if (suffix) | |
3001 | r = unit_name_mangle_with_suffix(*name, UNIT_NAME_GLOB, suffix, &t); | |
3002 | else | |
3003 | r = unit_name_mangle(*name, UNIT_NAME_GLOB, &t); | |
3004 | if (r < 0) | |
3005 | return log_error_errno(r, "Failed to mangle name: %m"); | |
3006 | ||
3007 | if (string_is_glob(t)) | |
3008 | r = strv_consume(&globs, t); | |
3009 | else | |
3010 | r = strv_consume(&mangled, t); | |
3011 | if (r < 0) | |
3012 | return log_oom(); | |
3013 | } | |
3014 | ||
3015 | /* Query the manager only if any of the names are a glob, since | |
3016 | * this is fairly expensive */ | |
3017 | if (!strv_isempty(globs)) { | |
3018 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
3019 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
3020 | size_t allocated, n; | |
3021 | ||
3022 | r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply); | |
3023 | if (r < 0) | |
3024 | return r; | |
3025 | ||
3026 | n = strv_length(mangled); | |
3027 | allocated = n + 1; | |
3028 | ||
3029 | for (i = 0; i < r; i++) { | |
3030 | if (!GREEDY_REALLOC(mangled, allocated, n+2)) | |
3031 | return log_oom(); | |
3032 | ||
3033 | mangled[n] = strdup(unit_infos[i].id); | |
3034 | if (!mangled[n]) | |
3035 | return log_oom(); | |
3036 | ||
3037 | mangled[++n] = NULL; | |
3038 | } | |
3039 | } | |
3040 | ||
3041 | *ret = mangled; | |
3042 | mangled = NULL; /* do not free */ | |
3043 | ||
3044 | return 0; | |
3045 | } | |
3046 | ||
3047 | static const struct { | |
3048 | const char *target; | |
3049 | const char *verb; | |
3050 | const char *mode; | |
3051 | } action_table[_ACTION_MAX] = { | |
3052 | [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" }, | |
3053 | [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" }, | |
3054 | [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" }, | |
3055 | [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" }, | |
3056 | [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3057 | [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3058 | [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3059 | [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" }, | |
3060 | [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" }, | |
3061 | [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" }, | |
3062 | [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" }, | |
3063 | [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" }, | |
3064 | [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" }, | |
3065 | [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" }, | |
3066 | [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" }, | |
3067 | }; | |
3068 | ||
3069 | static enum action verb_to_action(const char *verb) { | |
3070 | enum action i; | |
3071 | ||
3072 | for (i = 0; i < _ACTION_MAX; i++) | |
3073 | if (streq_ptr(action_table[i].verb, verb)) | |
3074 | return i; | |
3075 | ||
3076 | return _ACTION_INVALID; | |
3077 | } | |
3078 | ||
3079 | static int start_unit(int argc, char *argv[], void *userdata) { | |
3080 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
3081 | const char *method, *mode, *one_name, *suffix = NULL; | |
3082 | _cleanup_strv_free_ char **names = NULL; | |
3083 | sd_bus *bus; | |
3084 | _cleanup_(wait_context_free) WaitContext wait_context = {}; | |
3085 | char **name; | |
3086 | int r = 0; | |
3087 | ||
3088 | if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) { | |
3089 | log_error("--wait may only be used with the 'start' or 'restart' commands."); | |
3090 | return -EINVAL; | |
3091 | } | |
3092 | ||
3093 | /* we cannot do sender tracking on the private bus, so we need the full | |
3094 | * one for RefUnit to implement --wait */ | |
3095 | r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus); | |
3096 | if (r < 0) | |
3097 | return r; | |
3098 | ||
3099 | ask_password_agent_open_if_enabled(); | |
3100 | polkit_agent_open_maybe(); | |
3101 | ||
3102 | if (arg_action == ACTION_SYSTEMCTL) { | |
3103 | enum action action; | |
3104 | ||
3105 | action = verb_to_action(argv[0]); | |
3106 | ||
3107 | if (action != _ACTION_INVALID) { | |
3108 | method = "StartUnit"; | |
3109 | mode = action_table[action].mode; | |
3110 | one_name = action_table[action].target; | |
3111 | } else { | |
3112 | if (streq(argv[0], "isolate")) { | |
3113 | method = "StartUnit"; | |
3114 | mode = "isolate"; | |
3115 | ||
3116 | suffix = ".target"; | |
3117 | } else { | |
3118 | method = verb_to_method(argv[0]); | |
3119 | mode = arg_job_mode; | |
3120 | } | |
3121 | one_name = NULL; | |
3122 | } | |
3123 | } else { | |
3124 | assert(arg_action >= 0 && arg_action < _ACTION_MAX); | |
3125 | assert(action_table[arg_action].target); | |
3126 | assert(action_table[arg_action].mode); | |
3127 | ||
3128 | method = "StartUnit"; | |
3129 | mode = action_table[arg_action].mode; | |
3130 | one_name = action_table[arg_action].target; | |
3131 | } | |
3132 | ||
3133 | if (one_name) | |
3134 | names = strv_new(one_name, NULL); | |
3135 | else { | |
3136 | r = expand_names(bus, strv_skip(argv, 1), suffix, &names); | |
3137 | if (r < 0) | |
3138 | return log_error_errno(r, "Failed to expand names: %m"); | |
3139 | } | |
3140 | ||
3141 | if (!arg_no_block) { | |
3142 | r = bus_wait_for_jobs_new(bus, &w); | |
3143 | if (r < 0) | |
3144 | return log_error_errno(r, "Could not watch jobs: %m"); | |
3145 | } | |
3146 | ||
3147 | if (arg_wait) { | |
3148 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3149 | ||
3150 | wait_context.unit_paths = set_new(&string_hash_ops); | |
3151 | if (!wait_context.unit_paths) | |
3152 | return log_oom(); | |
3153 | ||
3154 | r = sd_bus_call_method( | |
3155 | bus, | |
3156 | "org.freedesktop.systemd1", | |
3157 | "/org/freedesktop/systemd1", | |
3158 | "org.freedesktop.systemd1.Manager", | |
3159 | "Subscribe", | |
3160 | &error, | |
3161 | NULL, NULL); | |
3162 | if (r < 0) | |
3163 | return log_error_errno(r, "Failed to enable subscription: %s", bus_error_message(&error, r)); | |
3164 | r = sd_event_default(&wait_context.event); | |
3165 | if (r < 0) | |
3166 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
3167 | r = sd_bus_attach_event(bus, wait_context.event, 0); | |
3168 | if (r < 0) | |
3169 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
3170 | } | |
3171 | ||
3172 | STRV_FOREACH(name, names) { | |
3173 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3174 | int q; | |
3175 | ||
3176 | q = start_unit_one(bus, method, *name, mode, &error, w, arg_wait ? &wait_context : NULL); | |
3177 | if (r >= 0 && q < 0) | |
3178 | r = translate_bus_error_to_exit_status(q, &error); | |
3179 | } | |
3180 | ||
3181 | if (!arg_no_block) { | |
3182 | int q, arg_count = 0; | |
3183 | const char* extra_args[4] = {}; | |
3184 | ||
3185 | if (arg_scope != UNIT_FILE_SYSTEM) | |
3186 | extra_args[arg_count++] = "--user"; | |
3187 | ||
3188 | assert(IN_SET(arg_transport, BUS_TRANSPORT_LOCAL, BUS_TRANSPORT_REMOTE, BUS_TRANSPORT_MACHINE)); | |
3189 | if (arg_transport == BUS_TRANSPORT_REMOTE) { | |
3190 | extra_args[arg_count++] = "-H"; | |
3191 | extra_args[arg_count++] = arg_host; | |
3192 | } else if (arg_transport == BUS_TRANSPORT_MACHINE) { | |
3193 | extra_args[arg_count++] = "-M"; | |
3194 | extra_args[arg_count++] = arg_host; | |
3195 | } | |
3196 | ||
3197 | q = bus_wait_for_jobs(w, arg_quiet, extra_args); | |
3198 | if (q < 0) | |
3199 | return q; | |
3200 | ||
3201 | /* When stopping units, warn if they can still be triggered by | |
3202 | * another active unit (socket, path, timer) */ | |
3203 | if (!arg_quiet && streq(method, "StopUnit")) | |
3204 | STRV_FOREACH(name, names) | |
3205 | check_triggering_units(bus, *name); | |
3206 | } | |
3207 | ||
3208 | if (r >= 0 && arg_wait) { | |
3209 | int q; | |
3210 | q = sd_event_loop(wait_context.event); | |
3211 | if (q < 0) | |
3212 | return log_error_errno(q, "Failed to run event loop: %m"); | |
3213 | if (wait_context.any_failed) | |
3214 | r = EXIT_FAILURE; | |
3215 | } | |
3216 | ||
3217 | return r; | |
3218 | } | |
3219 | ||
3220 | #if ENABLE_LOGIND | |
3221 | static int logind_set_wall_message(void) { | |
3222 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3223 | sd_bus *bus; | |
3224 | _cleanup_free_ char *m = NULL; | |
3225 | int r; | |
3226 | ||
3227 | r = acquire_bus(BUS_FULL, &bus); | |
3228 | if (r < 0) | |
3229 | return r; | |
3230 | ||
3231 | m = strv_join(arg_wall, " "); | |
3232 | if (!m) | |
3233 | return log_oom(); | |
3234 | ||
3235 | r = sd_bus_call_method( | |
3236 | bus, | |
3237 | "org.freedesktop.login1", | |
3238 | "/org/freedesktop/login1", | |
3239 | "org.freedesktop.login1.Manager", | |
3240 | "SetWallMessage", | |
3241 | &error, | |
3242 | NULL, | |
3243 | "sb", | |
3244 | m, | |
3245 | !arg_no_wall); | |
3246 | ||
3247 | if (r < 0) | |
3248 | return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r)); | |
3249 | return 0; | |
3250 | } | |
3251 | #endif | |
3252 | ||
3253 | /* Ask systemd-logind, which might grant access to unprivileged users | |
3254 | * through PolicyKit */ | |
3255 | static int logind_reboot(enum action a) { | |
3256 | #if ENABLE_LOGIND | |
3257 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3258 | const char *method, *description; | |
3259 | sd_bus *bus; | |
3260 | int r; | |
3261 | ||
3262 | r = acquire_bus(BUS_FULL, &bus); | |
3263 | if (r < 0) | |
3264 | return r; | |
3265 | ||
3266 | switch (a) { | |
3267 | ||
3268 | case ACTION_POWEROFF: | |
3269 | method = "PowerOff"; | |
3270 | description = "power off system"; | |
3271 | break; | |
3272 | ||
3273 | case ACTION_REBOOT: | |
3274 | method = "Reboot"; | |
3275 | description = "reboot system"; | |
3276 | break; | |
3277 | ||
3278 | case ACTION_HALT: | |
3279 | method = "Halt"; | |
3280 | description = "halt system"; | |
3281 | break; | |
3282 | ||
3283 | case ACTION_SUSPEND: | |
3284 | method = "Suspend"; | |
3285 | description = "suspend system"; | |
3286 | break; | |
3287 | ||
3288 | case ACTION_HIBERNATE: | |
3289 | method = "Hibernate"; | |
3290 | description = "hibernate system"; | |
3291 | break; | |
3292 | ||
3293 | case ACTION_HYBRID_SLEEP: | |
3294 | method = "HybridSleep"; | |
3295 | description = "put system into hybrid sleep"; | |
3296 | break; | |
3297 | ||
3298 | default: | |
3299 | return -EINVAL; | |
3300 | } | |
3301 | ||
3302 | polkit_agent_open_maybe(); | |
3303 | (void) logind_set_wall_message(); | |
3304 | ||
3305 | r = sd_bus_call_method( | |
3306 | bus, | |
3307 | "org.freedesktop.login1", | |
3308 | "/org/freedesktop/login1", | |
3309 | "org.freedesktop.login1.Manager", | |
3310 | method, | |
3311 | &error, | |
3312 | NULL, | |
3313 | "b", arg_ask_password); | |
3314 | if (r < 0) | |
3315 | return log_error_errno(r, "Failed to %s via logind: %s", description, bus_error_message(&error, r)); | |
3316 | ||
3317 | return 0; | |
3318 | #else | |
3319 | return -ENOSYS; | |
3320 | #endif | |
3321 | } | |
3322 | ||
3323 | static int logind_check_inhibitors(enum action a) { | |
3324 | #if ENABLE_LOGIND | |
3325 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
3326 | _cleanup_strv_free_ char **sessions = NULL; | |
3327 | const char *what, *who, *why, *mode; | |
3328 | uint32_t uid, pid; | |
3329 | sd_bus *bus; | |
3330 | unsigned c = 0; | |
3331 | char **s; | |
3332 | int r; | |
3333 | ||
3334 | if (arg_ignore_inhibitors || arg_force > 0) | |
3335 | return 0; | |
3336 | ||
3337 | if (arg_when > 0) | |
3338 | return 0; | |
3339 | ||
3340 | if (geteuid() == 0) | |
3341 | return 0; | |
3342 | ||
3343 | if (!on_tty()) | |
3344 | return 0; | |
3345 | ||
3346 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
3347 | return 0; | |
3348 | ||
3349 | r = acquire_bus(BUS_FULL, &bus); | |
3350 | if (r < 0) | |
3351 | return r; | |
3352 | ||
3353 | r = sd_bus_call_method( | |
3354 | bus, | |
3355 | "org.freedesktop.login1", | |
3356 | "/org/freedesktop/login1", | |
3357 | "org.freedesktop.login1.Manager", | |
3358 | "ListInhibitors", | |
3359 | NULL, | |
3360 | &reply, | |
3361 | NULL); | |
3362 | if (r < 0) | |
3363 | /* If logind is not around, then there are no inhibitors... */ | |
3364 | return 0; | |
3365 | ||
3366 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)"); | |
3367 | if (r < 0) | |
3368 | return bus_log_parse_error(r); | |
3369 | ||
3370 | while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) { | |
3371 | _cleanup_free_ char *comm = NULL, *user = NULL; | |
3372 | _cleanup_strv_free_ char **sv = NULL; | |
3373 | ||
3374 | if (!streq(mode, "block")) | |
3375 | continue; | |
3376 | ||
3377 | sv = strv_split(what, ":"); | |
3378 | if (!sv) | |
3379 | return log_oom(); | |
3380 | ||
3381 | if (!pid_is_valid((pid_t) pid)) { | |
3382 | log_error("Invalid PID "PID_FMT".", (pid_t) pid); | |
3383 | return -ERANGE; | |
3384 | } | |
3385 | ||
3386 | if (!strv_contains(sv, | |
3387 | IN_SET(a, | |
3388 | ACTION_HALT, | |
3389 | ACTION_POWEROFF, | |
3390 | ACTION_REBOOT, | |
3391 | ACTION_KEXEC) ? "shutdown" : "sleep")) | |
3392 | continue; | |
3393 | ||
3394 | get_process_comm(pid, &comm); | |
3395 | user = uid_to_name(uid); | |
3396 | ||
3397 | log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".", | |
3398 | who, (pid_t) pid, strna(comm), strna(user), why); | |
3399 | ||
3400 | c++; | |
3401 | } | |
3402 | if (r < 0) | |
3403 | return bus_log_parse_error(r); | |
3404 | ||
3405 | r = sd_bus_message_exit_container(reply); | |
3406 | if (r < 0) | |
3407 | return bus_log_parse_error(r); | |
3408 | ||
3409 | /* Check for current sessions */ | |
3410 | sd_get_sessions(&sessions); | |
3411 | STRV_FOREACH(s, sessions) { | |
3412 | _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL; | |
3413 | ||
3414 | if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid()) | |
3415 | continue; | |
3416 | ||
3417 | if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user")) | |
3418 | continue; | |
3419 | ||
3420 | if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "tty")) | |
3421 | continue; | |
3422 | ||
3423 | sd_session_get_tty(*s, &tty); | |
3424 | sd_session_get_seat(*s, &seat); | |
3425 | sd_session_get_service(*s, &service); | |
3426 | user = uid_to_name(uid); | |
3427 | ||
3428 | log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty); | |
3429 | c++; | |
3430 | } | |
3431 | ||
3432 | if (c <= 0) | |
3433 | return 0; | |
3434 | ||
3435 | log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.", | |
3436 | action_table[a].verb); | |
3437 | ||
3438 | return -EPERM; | |
3439 | #else | |
3440 | return 0; | |
3441 | #endif | |
3442 | } | |
3443 | ||
3444 | static int logind_prepare_firmware_setup(void) { | |
3445 | #if ENABLE_LOGIND | |
3446 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3447 | sd_bus *bus; | |
3448 | int r; | |
3449 | ||
3450 | r = acquire_bus(BUS_FULL, &bus); | |
3451 | if (r < 0) | |
3452 | return r; | |
3453 | ||
3454 | r = sd_bus_call_method( | |
3455 | bus, | |
3456 | "org.freedesktop.login1", | |
3457 | "/org/freedesktop/login1", | |
3458 | "org.freedesktop.login1.Manager", | |
3459 | "SetRebootToFirmwareSetup", | |
3460 | &error, | |
3461 | NULL, | |
3462 | "b", true); | |
3463 | if (r < 0) | |
3464 | return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r)); | |
3465 | ||
3466 | return 0; | |
3467 | #else | |
3468 | log_error("Cannot remotely indicate to EFI to boot into setup mode."); | |
3469 | return -ENOSYS; | |
3470 | #endif | |
3471 | } | |
3472 | ||
3473 | static int prepare_firmware_setup(void) { | |
3474 | int r; | |
3475 | ||
3476 | if (!arg_firmware_setup) | |
3477 | return 0; | |
3478 | ||
3479 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
3480 | ||
3481 | r = efi_set_reboot_to_firmware(true); | |
3482 | if (r < 0) | |
3483 | log_debug_errno(r, "Cannot indicate to EFI to boot into setup mode, will retry via logind: %m"); | |
3484 | else | |
3485 | return r; | |
3486 | } | |
3487 | ||
3488 | return logind_prepare_firmware_setup(); | |
3489 | } | |
3490 | ||
3491 | static int set_exit_code(uint8_t code) { | |
3492 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3493 | sd_bus *bus; | |
3494 | int r; | |
3495 | ||
3496 | r = acquire_bus(BUS_MANAGER, &bus); | |
3497 | if (r < 0) | |
3498 | return r; | |
3499 | ||
3500 | r = sd_bus_call_method( | |
3501 | bus, | |
3502 | "org.freedesktop.systemd1", | |
3503 | "/org/freedesktop/systemd1", | |
3504 | "org.freedesktop.systemd1.Manager", | |
3505 | "SetExitCode", | |
3506 | &error, | |
3507 | NULL, | |
3508 | "y", code); | |
3509 | if (r < 0) | |
3510 | return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r)); | |
3511 | ||
3512 | return 0; | |
3513 | } | |
3514 | ||
3515 | static int start_special(int argc, char *argv[], void *userdata) { | |
3516 | enum action a; | |
3517 | int r; | |
3518 | bool termination_action; /* an action that terminates the manager, | |
3519 | * can be performed also by signal. */ | |
3520 | ||
3521 | assert(argv); | |
3522 | ||
3523 | a = verb_to_action(argv[0]); | |
3524 | ||
3525 | r = logind_check_inhibitors(a); | |
3526 | if (r < 0) | |
3527 | return r; | |
3528 | ||
3529 | if (arg_force >= 2 && geteuid() != 0) { | |
3530 | log_error("Must be root."); | |
3531 | return -EPERM; | |
3532 | } | |
3533 | ||
3534 | r = prepare_firmware_setup(); | |
3535 | if (r < 0) | |
3536 | return r; | |
3537 | ||
3538 | if (a == ACTION_REBOOT && argc > 1) { | |
3539 | r = update_reboot_parameter_and_warn(argv[1]); | |
3540 | if (r < 0) | |
3541 | return r; | |
3542 | ||
3543 | } else if (a == ACTION_EXIT && argc > 1) { | |
3544 | uint8_t code; | |
3545 | ||
3546 | /* If the exit code is not given on the command line, | |
3547 | * don't reset it to zero: just keep it as it might | |
3548 | * have been set previously. */ | |
3549 | ||
3550 | r = safe_atou8(argv[1], &code); | |
3551 | if (r < 0) | |
3552 | return log_error_errno(r, "Invalid exit code."); | |
3553 | ||
3554 | r = set_exit_code(code); | |
3555 | if (r < 0) | |
3556 | return r; | |
3557 | } | |
3558 | ||
3559 | termination_action = IN_SET(a, | |
3560 | ACTION_HALT, | |
3561 | ACTION_POWEROFF, | |
3562 | ACTION_REBOOT); | |
3563 | if (termination_action && arg_force >= 2) | |
3564 | return halt_now(a); | |
3565 | ||
3566 | if (arg_force >= 1 && | |
3567 | (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT))) | |
3568 | r = trivial_method(argc, argv, userdata); | |
3569 | else { | |
3570 | /* First try logind, to allow authentication with polkit */ | |
3571 | if (IN_SET(a, | |
3572 | ACTION_POWEROFF, | |
3573 | ACTION_REBOOT, | |
3574 | ACTION_HALT, | |
3575 | ACTION_SUSPEND, | |
3576 | ACTION_HIBERNATE, | |
3577 | ACTION_HYBRID_SLEEP)) { | |
3578 | ||
3579 | r = logind_reboot(a); | |
3580 | if (r >= 0) | |
3581 | return r; | |
3582 | if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS)) | |
3583 | /* requested operation is not supported or already in progress */ | |
3584 | return r; | |
3585 | ||
3586 | /* On all other errors, try low-level operation. In order to minimize the difference between | |
3587 | * operation with and without logind, we explicitly enable non-blocking mode for this, as | |
3588 | * logind's shutdown operations are always non-blocking. */ | |
3589 | ||
3590 | arg_no_block = true; | |
3591 | ||
3592 | } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC)) | |
3593 | /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them | |
3594 | * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */ | |
3595 | arg_no_block = true; | |
3596 | ||
3597 | r = start_unit(argc, argv, userdata); | |
3598 | } | |
3599 | ||
3600 | if (termination_action && arg_force < 2 && | |
3601 | IN_SET(r, -ENOENT, -ETIMEDOUT)) | |
3602 | log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1)."); | |
3603 | ||
3604 | return r; | |
3605 | } | |
3606 | ||
3607 | static int start_system_special(int argc, char *argv[], void *userdata) { | |
3608 | /* Like start_special above, but raises an error when running in user mode */ | |
3609 | ||
3610 | if (arg_scope != UNIT_FILE_SYSTEM) { | |
3611 | log_error("Bad action for %s mode.", | |
3612 | arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user"); | |
3613 | return -EINVAL; | |
3614 | } | |
3615 | ||
3616 | return start_special(argc, argv, userdata); | |
3617 | } | |
3618 | ||
3619 | static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) { | |
3620 | _cleanup_strv_free_ char **names = NULL; | |
3621 | UnitActiveState active_state; | |
3622 | sd_bus *bus; | |
3623 | char **name; | |
3624 | int r, i; | |
3625 | bool found = false; | |
3626 | ||
3627 | r = acquire_bus(BUS_MANAGER, &bus); | |
3628 | if (r < 0) | |
3629 | return r; | |
3630 | ||
3631 | r = expand_names(bus, args, NULL, &names); | |
3632 | if (r < 0) | |
3633 | return log_error_errno(r, "Failed to expand names: %m"); | |
3634 | ||
3635 | STRV_FOREACH(name, names) { | |
3636 | r = get_state_one_unit(bus, *name, &active_state); | |
3637 | if (r < 0) | |
3638 | return r; | |
3639 | ||
3640 | if (!arg_quiet) | |
3641 | puts(unit_active_state_to_string(active_state)); | |
3642 | ||
3643 | for (i = 0; i < nb_states; ++i) | |
3644 | if (good_states[i] == active_state) | |
3645 | found = true; | |
3646 | } | |
3647 | ||
3648 | /* use the given return code for the case that we won't find | |
3649 | * any unit which matches the list */ | |
3650 | return found ? 0 : code; | |
3651 | } | |
3652 | ||
3653 | static int check_unit_active(int argc, char *argv[], void *userdata) { | |
3654 | const UnitActiveState states[] = { UNIT_ACTIVE, UNIT_RELOADING }; | |
3655 | /* According to LSB: 3, "program is not running" */ | |
3656 | return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1)); | |
3657 | } | |
3658 | ||
3659 | static int check_unit_failed(int argc, char *argv[], void *userdata) { | |
3660 | const UnitActiveState states[] = { UNIT_FAILED }; | |
3661 | return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1)); | |
3662 | } | |
3663 | ||
3664 | static int kill_unit(int argc, char *argv[], void *userdata) { | |
3665 | _cleanup_strv_free_ char **names = NULL; | |
3666 | char *kill_who = NULL, **name; | |
3667 | sd_bus *bus; | |
3668 | int r, q; | |
3669 | ||
3670 | r = acquire_bus(BUS_MANAGER, &bus); | |
3671 | if (r < 0) | |
3672 | return r; | |
3673 | ||
3674 | polkit_agent_open_maybe(); | |
3675 | ||
3676 | if (!arg_kill_who) | |
3677 | arg_kill_who = "all"; | |
3678 | ||
3679 | /* --fail was specified */ | |
3680 | if (streq(arg_job_mode, "fail")) | |
3681 | kill_who = strjoina(arg_kill_who, "-fail"); | |
3682 | ||
3683 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
3684 | if (r < 0) | |
3685 | return log_error_errno(r, "Failed to expand names: %m"); | |
3686 | ||
3687 | STRV_FOREACH(name, names) { | |
3688 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3689 | ||
3690 | q = sd_bus_call_method( | |
3691 | bus, | |
3692 | "org.freedesktop.systemd1", | |
3693 | "/org/freedesktop/systemd1", | |
3694 | "org.freedesktop.systemd1.Manager", | |
3695 | "KillUnit", | |
3696 | &error, | |
3697 | NULL, | |
3698 | "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal); | |
3699 | if (q < 0) { | |
3700 | log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q)); | |
3701 | if (r == 0) | |
3702 | r = q; | |
3703 | } | |
3704 | } | |
3705 | ||
3706 | return r; | |
3707 | } | |
3708 | ||
3709 | typedef struct ExecStatusInfo { | |
3710 | char *name; | |
3711 | ||
3712 | char *path; | |
3713 | char **argv; | |
3714 | ||
3715 | bool ignore; | |
3716 | ||
3717 | usec_t start_timestamp; | |
3718 | usec_t exit_timestamp; | |
3719 | pid_t pid; | |
3720 | int code; | |
3721 | int status; | |
3722 | ||
3723 | LIST_FIELDS(struct ExecStatusInfo, exec); | |
3724 | } ExecStatusInfo; | |
3725 | ||
3726 | static void exec_status_info_free(ExecStatusInfo *i) { | |
3727 | assert(i); | |
3728 | ||
3729 | free(i->name); | |
3730 | free(i->path); | |
3731 | strv_free(i->argv); | |
3732 | free(i); | |
3733 | } | |
3734 | ||
3735 | static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) { | |
3736 | uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic; | |
3737 | const char *path; | |
3738 | uint32_t pid; | |
3739 | int32_t code, status; | |
3740 | int ignore, r; | |
3741 | ||
3742 | assert(m); | |
3743 | assert(i); | |
3744 | ||
3745 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii"); | |
3746 | if (r < 0) | |
3747 | return bus_log_parse_error(r); | |
3748 | else if (r == 0) | |
3749 | return 0; | |
3750 | ||
3751 | r = sd_bus_message_read(m, "s", &path); | |
3752 | if (r < 0) | |
3753 | return bus_log_parse_error(r); | |
3754 | ||
3755 | i->path = strdup(path); | |
3756 | if (!i->path) | |
3757 | return log_oom(); | |
3758 | ||
3759 | r = sd_bus_message_read_strv(m, &i->argv); | |
3760 | if (r < 0) | |
3761 | return bus_log_parse_error(r); | |
3762 | ||
3763 | r = sd_bus_message_read(m, | |
3764 | "bttttuii", | |
3765 | &ignore, | |
3766 | &start_timestamp, &start_timestamp_monotonic, | |
3767 | &exit_timestamp, &exit_timestamp_monotonic, | |
3768 | &pid, | |
3769 | &code, &status); | |
3770 | if (r < 0) | |
3771 | return bus_log_parse_error(r); | |
3772 | ||
3773 | i->ignore = ignore; | |
3774 | i->start_timestamp = (usec_t) start_timestamp; | |
3775 | i->exit_timestamp = (usec_t) exit_timestamp; | |
3776 | i->pid = (pid_t) pid; | |
3777 | i->code = code; | |
3778 | i->status = status; | |
3779 | ||
3780 | r = sd_bus_message_exit_container(m); | |
3781 | if (r < 0) | |
3782 | return bus_log_parse_error(r); | |
3783 | ||
3784 | return 1; | |
3785 | } | |
3786 | ||
3787 | typedef struct UnitCondition { | |
3788 | char *name; | |
3789 | char *param; | |
3790 | bool trigger; | |
3791 | bool negate; | |
3792 | int tristate; | |
3793 | ||
3794 | LIST_FIELDS(struct UnitCondition, conditions); | |
3795 | } UnitCondition; | |
3796 | ||
3797 | static void unit_condition_free(UnitCondition *c) { | |
3798 | if (!c) | |
3799 | return; | |
3800 | ||
3801 | free(c->name); | |
3802 | free(c->param); | |
3803 | free(c); | |
3804 | } | |
3805 | ||
3806 | DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free); | |
3807 | ||
3808 | typedef struct UnitStatusInfo { | |
3809 | const char *id; | |
3810 | const char *load_state; | |
3811 | const char *active_state; | |
3812 | const char *sub_state; | |
3813 | const char *unit_file_state; | |
3814 | const char *unit_file_preset; | |
3815 | ||
3816 | const char *description; | |
3817 | const char *following; | |
3818 | ||
3819 | char **documentation; | |
3820 | ||
3821 | const char *fragment_path; | |
3822 | const char *source_path; | |
3823 | const char *control_group; | |
3824 | ||
3825 | char **dropin_paths; | |
3826 | ||
3827 | const char *load_error; | |
3828 | const char *result; | |
3829 | ||
3830 | usec_t inactive_exit_timestamp; | |
3831 | usec_t inactive_exit_timestamp_monotonic; | |
3832 | usec_t active_enter_timestamp; | |
3833 | usec_t active_exit_timestamp; | |
3834 | usec_t inactive_enter_timestamp; | |
3835 | ||
3836 | bool need_daemon_reload; | |
3837 | bool transient; | |
3838 | ||
3839 | /* Service */ | |
3840 | pid_t main_pid; | |
3841 | pid_t control_pid; | |
3842 | const char *status_text; | |
3843 | const char *pid_file; | |
3844 | bool running:1; | |
3845 | int status_errno; | |
3846 | ||
3847 | usec_t start_timestamp; | |
3848 | usec_t exit_timestamp; | |
3849 | ||
3850 | int exit_code, exit_status; | |
3851 | ||
3852 | usec_t condition_timestamp; | |
3853 | bool condition_result; | |
3854 | LIST_HEAD(UnitCondition, conditions); | |
3855 | ||
3856 | usec_t assert_timestamp; | |
3857 | bool assert_result; | |
3858 | bool failed_assert_trigger; | |
3859 | bool failed_assert_negate; | |
3860 | const char *failed_assert; | |
3861 | const char *failed_assert_parameter; | |
3862 | usec_t next_elapse_real; | |
3863 | usec_t next_elapse_monotonic; | |
3864 | ||
3865 | /* Socket */ | |
3866 | unsigned n_accepted; | |
3867 | unsigned n_connections; | |
3868 | bool accept; | |
3869 | ||
3870 | /* Pairs of type, path */ | |
3871 | char **listen; | |
3872 | ||
3873 | /* Device */ | |
3874 | const char *sysfs_path; | |
3875 | ||
3876 | /* Mount, Automount */ | |
3877 | const char *where; | |
3878 | ||
3879 | /* Swap */ | |
3880 | const char *what; | |
3881 | ||
3882 | /* CGroup */ | |
3883 | uint64_t memory_current; | |
3884 | uint64_t memory_low; | |
3885 | uint64_t memory_high; | |
3886 | uint64_t memory_max; | |
3887 | uint64_t memory_swap_max; | |
3888 | uint64_t memory_limit; | |
3889 | uint64_t cpu_usage_nsec; | |
3890 | uint64_t tasks_current; | |
3891 | uint64_t tasks_max; | |
3892 | ||
3893 | uint64_t ip_ingress_bytes; | |
3894 | uint64_t ip_egress_bytes; | |
3895 | ||
3896 | LIST_HEAD(ExecStatusInfo, exec); | |
3897 | } UnitStatusInfo; | |
3898 | ||
3899 | static void unit_status_info_free(UnitStatusInfo *info) { | |
3900 | ExecStatusInfo *p; | |
3901 | UnitCondition *c; | |
3902 | ||
3903 | strv_free(info->documentation); | |
3904 | strv_free(info->dropin_paths); | |
3905 | strv_free(info->listen); | |
3906 | ||
3907 | while ((c = info->conditions)) { | |
3908 | LIST_REMOVE(conditions, info->conditions, c); | |
3909 | unit_condition_free(c); | |
3910 | } | |
3911 | ||
3912 | while ((p = info->exec)) { | |
3913 | LIST_REMOVE(exec, info->exec, p); | |
3914 | exec_status_info_free(p); | |
3915 | } | |
3916 | } | |
3917 | ||
3918 | static void print_status_info( | |
3919 | sd_bus *bus, | |
3920 | UnitStatusInfo *i, | |
3921 | bool *ellipsized) { | |
3922 | ||
3923 | ExecStatusInfo *p; | |
3924 | const char *active_on, *active_off, *on, *off, *ss; | |
3925 | usec_t timestamp; | |
3926 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; | |
3927 | char since2[FORMAT_TIMESTAMP_MAX], *s2; | |
3928 | const char *path; | |
3929 | char **t, **t2; | |
3930 | int r; | |
3931 | ||
3932 | assert(i); | |
3933 | ||
3934 | /* This shows pretty information about a unit. See | |
3935 | * print_property() for a low-level property printer */ | |
3936 | ||
3937 | if (streq_ptr(i->active_state, "failed")) { | |
3938 | active_on = ansi_highlight_red(); | |
3939 | active_off = ansi_normal(); | |
3940 | } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) { | |
3941 | active_on = ansi_highlight_green(); | |
3942 | active_off = ansi_normal(); | |
3943 | } else | |
3944 | active_on = active_off = ""; | |
3945 | ||
3946 | printf("%s%s%s %s", active_on, special_glyph(BLACK_CIRCLE), active_off, strna(i->id)); | |
3947 | ||
3948 | if (i->description && !streq_ptr(i->id, i->description)) | |
3949 | printf(" - %s", i->description); | |
3950 | ||
3951 | printf("\n"); | |
3952 | ||
3953 | if (i->following) | |
3954 | printf(" Follow: unit currently follows state of %s\n", i->following); | |
3955 | ||
3956 | if (streq_ptr(i->load_state, "error")) { | |
3957 | on = ansi_highlight_red(); | |
3958 | off = ansi_normal(); | |
3959 | } else | |
3960 | on = off = ""; | |
3961 | ||
3962 | path = i->source_path ? i->source_path : i->fragment_path; | |
3963 | ||
3964 | if (i->load_error != 0) | |
3965 | printf(" Loaded: %s%s%s (Reason: %s)\n", | |
3966 | on, strna(i->load_state), off, i->load_error); | |
3967 | else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset)) | |
3968 | printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n", | |
3969 | on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset); | |
3970 | else if (path && !isempty(i->unit_file_state)) | |
3971 | printf(" Loaded: %s%s%s (%s; %s)\n", | |
3972 | on, strna(i->load_state), off, path, i->unit_file_state); | |
3973 | else if (path) | |
3974 | printf(" Loaded: %s%s%s (%s)\n", | |
3975 | on, strna(i->load_state), off, path); | |
3976 | else | |
3977 | printf(" Loaded: %s%s%s\n", | |
3978 | on, strna(i->load_state), off); | |
3979 | ||
3980 | if (i->transient) | |
3981 | printf("Transient: yes\n"); | |
3982 | ||
3983 | if (!strv_isempty(i->dropin_paths)) { | |
3984 | _cleanup_free_ char *dir = NULL; | |
3985 | bool last = false; | |
3986 | char ** dropin; | |
3987 | ||
3988 | STRV_FOREACH(dropin, i->dropin_paths) { | |
3989 | if (! dir || last) { | |
3990 | printf(dir ? " " : " Drop-In: "); | |
3991 | ||
3992 | dir = mfree(dir); | |
3993 | ||
3994 | dir = dirname_malloc(*dropin); | |
3995 | if (!dir) { | |
3996 | log_oom(); | |
3997 | return; | |
3998 | } | |
3999 | ||
4000 | printf("%s\n %s", dir, | |
4001 | special_glyph(TREE_RIGHT)); | |
4002 | } | |
4003 | ||
4004 | last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir)); | |
4005 | ||
4006 | printf("%s%s", basename(*dropin), last ? "\n" : ", "); | |
4007 | } | |
4008 | } | |
4009 | ||
4010 | ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; | |
4011 | if (ss) | |
4012 | printf(" Active: %s%s (%s)%s", | |
4013 | active_on, strna(i->active_state), ss, active_off); | |
4014 | else | |
4015 | printf(" Active: %s%s%s", | |
4016 | active_on, strna(i->active_state), active_off); | |
4017 | ||
4018 | if (!isempty(i->result) && !streq(i->result, "success")) | |
4019 | printf(" (Result: %s)", i->result); | |
4020 | ||
4021 | timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp : | |
4022 | STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp : | |
4023 | STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp : | |
4024 | i->active_exit_timestamp; | |
4025 | ||
4026 | s1 = format_timestamp_relative(since1, sizeof(since1), timestamp); | |
4027 | s2 = format_timestamp(since2, sizeof(since2), timestamp); | |
4028 | ||
4029 | if (s1) | |
4030 | printf(" since %s; %s\n", s2, s1); | |
4031 | else if (s2) | |
4032 | printf(" since %s\n", s2); | |
4033 | else | |
4034 | printf("\n"); | |
4035 | ||
4036 | if (endswith(i->id, ".timer")) { | |
4037 | char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX], | |
4038 | tstamp2[FORMAT_TIMESTAMP_MAX]; | |
4039 | char *next_rel_time, *next_time; | |
4040 | dual_timestamp nw, next = {i->next_elapse_real, | |
4041 | i->next_elapse_monotonic}; | |
4042 | usec_t next_elapse; | |
4043 | ||
4044 | printf(" Trigger: "); | |
4045 | ||
4046 | dual_timestamp_get(&nw); | |
4047 | next_elapse = calc_next_elapse(&nw, &next); | |
4048 | next_rel_time = format_timestamp_relative(tstamp1, | |
4049 | sizeof(tstamp1), | |
4050 | next_elapse); | |
4051 | next_time = format_timestamp(tstamp2, | |
4052 | sizeof(tstamp2), | |
4053 | next_elapse); | |
4054 | ||
4055 | if (next_time && next_rel_time) | |
4056 | printf("%s; %s\n", next_time, next_rel_time); | |
4057 | else | |
4058 | printf("n/a\n"); | |
4059 | } | |
4060 | ||
4061 | if (!i->condition_result && i->condition_timestamp > 0) { | |
4062 | UnitCondition *c; | |
4063 | int n = 0; | |
4064 | ||
4065 | s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp); | |
4066 | s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp); | |
4067 | ||
4068 | printf("Condition: start %scondition failed%s at %s%s%s\n", | |
4069 | ansi_highlight_yellow(), ansi_normal(), | |
4070 | s2, s1 ? "; " : "", strempty(s1)); | |
4071 | ||
4072 | LIST_FOREACH(conditions, c, i->conditions) | |
4073 | if (c->tristate < 0) | |
4074 | n++; | |
4075 | ||
4076 | LIST_FOREACH(conditions, c, i->conditions) | |
4077 | if (c->tristate < 0) | |
4078 | printf(" %s %s=%s%s%s was not met\n", | |
4079 | --n ? special_glyph(TREE_BRANCH) : special_glyph(TREE_RIGHT), | |
4080 | c->name, | |
4081 | c->trigger ? "|" : "", | |
4082 | c->negate ? "!" : "", | |
4083 | c->param); | |
4084 | } | |
4085 | ||
4086 | if (!i->assert_result && i->assert_timestamp > 0) { | |
4087 | s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp); | |
4088 | s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp); | |
4089 | ||
4090 | printf(" Assert: start %sassertion failed%s at %s%s%s\n", | |
4091 | ansi_highlight_red(), ansi_normal(), | |
4092 | s2, s1 ? "; " : "", strempty(s1)); | |
4093 | if (i->failed_assert_trigger) | |
4094 | printf(" none of the trigger assertions were met\n"); | |
4095 | else if (i->failed_assert) | |
4096 | printf(" %s=%s%s was not met\n", | |
4097 | i->failed_assert, | |
4098 | i->failed_assert_negate ? "!" : "", | |
4099 | i->failed_assert_parameter); | |
4100 | } | |
4101 | ||
4102 | if (i->sysfs_path) | |
4103 | printf(" Device: %s\n", i->sysfs_path); | |
4104 | if (i->where) | |
4105 | printf(" Where: %s\n", i->where); | |
4106 | if (i->what) | |
4107 | printf(" What: %s\n", i->what); | |
4108 | ||
4109 | STRV_FOREACH(t, i->documentation) | |
4110 | printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t); | |
4111 | ||
4112 | STRV_FOREACH_PAIR(t, t2, i->listen) | |
4113 | printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t); | |
4114 | ||
4115 | if (i->accept) | |
4116 | printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections); | |
4117 | ||
4118 | LIST_FOREACH(exec, p, i->exec) { | |
4119 | _cleanup_free_ char *argv = NULL; | |
4120 | bool good; | |
4121 | ||
4122 | /* Only show exited processes here */ | |
4123 | if (p->code == 0) | |
4124 | continue; | |
4125 | ||
4126 | argv = strv_join(p->argv, " "); | |
4127 | printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv)); | |
4128 | ||
4129 | good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL); | |
4130 | if (!good) { | |
4131 | on = ansi_highlight_red(); | |
4132 | off = ansi_normal(); | |
4133 | } else | |
4134 | on = off = ""; | |
4135 | ||
4136 | printf("%s(code=%s, ", on, sigchld_code_to_string(p->code)); | |
4137 | ||
4138 | if (p->code == CLD_EXITED) { | |
4139 | const char *c; | |
4140 | ||
4141 | printf("status=%i", p->status); | |
4142 | ||
4143 | c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD); | |
4144 | if (c) | |
4145 | printf("/%s", c); | |
4146 | ||
4147 | } else | |
4148 | printf("signal=%s", signal_to_string(p->status)); | |
4149 | ||
4150 | printf(")%s\n", off); | |
4151 | ||
4152 | if (i->main_pid == p->pid && | |
4153 | i->start_timestamp == p->start_timestamp && | |
4154 | i->exit_timestamp == p->start_timestamp) | |
4155 | /* Let's not show this twice */ | |
4156 | i->main_pid = 0; | |
4157 | ||
4158 | if (p->pid == i->control_pid) | |
4159 | i->control_pid = 0; | |
4160 | } | |
4161 | ||
4162 | if (i->main_pid > 0 || i->control_pid > 0) { | |
4163 | if (i->main_pid > 0) { | |
4164 | printf(" Main PID: "PID_FMT, i->main_pid); | |
4165 | ||
4166 | if (i->running) { | |
4167 | _cleanup_free_ char *comm = NULL; | |
4168 | (void) get_process_comm(i->main_pid, &comm); | |
4169 | if (comm) | |
4170 | printf(" (%s)", comm); | |
4171 | } else if (i->exit_code > 0) { | |
4172 | printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); | |
4173 | ||
4174 | if (i->exit_code == CLD_EXITED) { | |
4175 | const char *c; | |
4176 | ||
4177 | printf("status=%i", i->exit_status); | |
4178 | ||
4179 | c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD); | |
4180 | if (c) | |
4181 | printf("/%s", c); | |
4182 | ||
4183 | } else | |
4184 | printf("signal=%s", signal_to_string(i->exit_status)); | |
4185 | printf(")"); | |
4186 | } | |
4187 | } | |
4188 | ||
4189 | if (i->control_pid > 0) { | |
4190 | _cleanup_free_ char *c = NULL; | |
4191 | ||
4192 | if (i->main_pid > 0) | |
4193 | fputs("; Control PID: ", stdout); | |
4194 | else | |
4195 | fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */ | |
4196 | ||
4197 | printf(PID_FMT, i->control_pid); | |
4198 | ||
4199 | (void) get_process_comm(i->control_pid, &c); | |
4200 | if (c) | |
4201 | printf(" (%s)", c); | |
4202 | } | |
4203 | ||
4204 | printf("\n"); | |
4205 | } | |
4206 | ||
4207 | if (i->status_text) | |
4208 | printf(" Status: \"%s\"\n", i->status_text); | |
4209 | if (i->status_errno > 0) | |
4210 | printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno)); | |
4211 | ||
4212 | if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) { | |
4213 | char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX]; | |
4214 | ||
4215 | printf(" IP: %s in, %s out\n", | |
4216 | format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes), | |
4217 | format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes)); | |
4218 | } | |
4219 | ||
4220 | if (i->tasks_current != (uint64_t) -1) { | |
4221 | printf(" Tasks: %" PRIu64, i->tasks_current); | |
4222 | ||
4223 | if (i->tasks_max != (uint64_t) -1) | |
4224 | printf(" (limit: %" PRIu64 ")\n", i->tasks_max); | |
4225 | else | |
4226 | printf("\n"); | |
4227 | } | |
4228 | ||
4229 | if (i->memory_current != (uint64_t) -1) { | |
4230 | char buf[FORMAT_BYTES_MAX]; | |
4231 | ||
4232 | printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current)); | |
4233 | ||
4234 | if (i->memory_low > 0 || i->memory_high != CGROUP_LIMIT_MAX || | |
4235 | i->memory_max != CGROUP_LIMIT_MAX || i->memory_swap_max != CGROUP_LIMIT_MAX || | |
4236 | i->memory_limit != CGROUP_LIMIT_MAX) { | |
4237 | const char *prefix = ""; | |
4238 | ||
4239 | printf(" ("); | |
4240 | if (i->memory_low > 0) { | |
4241 | printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low)); | |
4242 | prefix = " "; | |
4243 | } | |
4244 | if (i->memory_high != CGROUP_LIMIT_MAX) { | |
4245 | printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high)); | |
4246 | prefix = " "; | |
4247 | } | |
4248 | if (i->memory_max != CGROUP_LIMIT_MAX) { | |
4249 | printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max)); | |
4250 | prefix = " "; | |
4251 | } | |
4252 | if (i->memory_swap_max != CGROUP_LIMIT_MAX) { | |
4253 | printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max)); | |
4254 | prefix = " "; | |
4255 | } | |
4256 | if (i->memory_limit != CGROUP_LIMIT_MAX) { | |
4257 | printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit)); | |
4258 | prefix = " "; | |
4259 | } | |
4260 | printf(")"); | |
4261 | } | |
4262 | printf("\n"); | |
4263 | } | |
4264 | ||
4265 | if (i->cpu_usage_nsec != (uint64_t) -1) { | |
4266 | char buf[FORMAT_TIMESPAN_MAX]; | |
4267 | printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC)); | |
4268 | } | |
4269 | ||
4270 | if (i->control_group) { | |
4271 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
4272 | static const char prefix[] = " "; | |
4273 | unsigned c; | |
4274 | ||
4275 | printf(" CGroup: %s\n", i->control_group); | |
4276 | ||
4277 | c = columns(); | |
4278 | if (c > sizeof(prefix) - 1) | |
4279 | c -= sizeof(prefix) - 1; | |
4280 | else | |
4281 | c = 0; | |
4282 | ||
4283 | r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error); | |
4284 | if (r == -EBADR) { | |
4285 | unsigned k = 0; | |
4286 | pid_t extra[2]; | |
4287 | ||
4288 | /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */ | |
4289 | ||
4290 | if (i->main_pid > 0) | |
4291 | extra[k++] = i->main_pid; | |
4292 | ||
4293 | if (i->control_pid > 0) | |
4294 | extra[k++] = i->control_pid; | |
4295 | ||
4296 | show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags()); | |
4297 | } else if (r < 0) | |
4298 | log_warning_errno(r, "Failed to dump process list, ignoring: %s", bus_error_message(&error, r)); | |
4299 | } | |
4300 | ||
4301 | if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) | |
4302 | show_journal_by_unit( | |
4303 | stdout, | |
4304 | i->id, | |
4305 | arg_output, | |
4306 | 0, | |
4307 | i->inactive_exit_timestamp_monotonic, | |
4308 | arg_lines, | |
4309 | getuid(), | |
4310 | get_output_flags() | OUTPUT_BEGIN_NEWLINE, | |
4311 | SD_JOURNAL_LOCAL_ONLY, | |
4312 | arg_scope == UNIT_FILE_SYSTEM, | |
4313 | ellipsized); | |
4314 | ||
4315 | if (i->need_daemon_reload) | |
4316 | warn_unit_file_changed(i->id); | |
4317 | } | |
4318 | ||
4319 | static void show_unit_help(UnitStatusInfo *i) { | |
4320 | char **p; | |
4321 | ||
4322 | assert(i); | |
4323 | ||
4324 | if (!i->documentation) { | |
4325 | log_info("Documentation for %s not known.", i->id); | |
4326 | return; | |
4327 | } | |
4328 | ||
4329 | STRV_FOREACH(p, i->documentation) | |
4330 | if (startswith(*p, "man:")) | |
4331 | show_man_page(*p + 4, false); | |
4332 | else | |
4333 | log_info("Can't show: %s", *p); | |
4334 | } | |
4335 | ||
4336 | static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) { | |
4337 | int r; | |
4338 | ||
4339 | assert(name); | |
4340 | assert(m); | |
4341 | assert(i); | |
4342 | ||
4343 | switch (contents[0]) { | |
4344 | ||
4345 | case SD_BUS_TYPE_STRING: { | |
4346 | const char *s; | |
4347 | ||
4348 | r = sd_bus_message_read(m, "s", &s); | |
4349 | if (r < 0) | |
4350 | return bus_log_parse_error(r); | |
4351 | ||
4352 | if (!isempty(s)) { | |
4353 | if (streq(name, "Id")) | |
4354 | i->id = s; | |
4355 | else if (streq(name, "LoadState")) | |
4356 | i->load_state = s; | |
4357 | else if (streq(name, "ActiveState")) | |
4358 | i->active_state = s; | |
4359 | else if (streq(name, "SubState")) | |
4360 | i->sub_state = s; | |
4361 | else if (streq(name, "Description")) | |
4362 | i->description = s; | |
4363 | else if (streq(name, "FragmentPath")) | |
4364 | i->fragment_path = s; | |
4365 | else if (streq(name, "SourcePath")) | |
4366 | i->source_path = s; | |
4367 | #ifndef NOLEGACY | |
4368 | else if (streq(name, "DefaultControlGroup")) { | |
4369 | const char *e; | |
4370 | e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":"); | |
4371 | if (e) | |
4372 | i->control_group = e; | |
4373 | } | |
4374 | #endif | |
4375 | else if (streq(name, "ControlGroup")) | |
4376 | i->control_group = s; | |
4377 | else if (streq(name, "StatusText")) | |
4378 | i->status_text = s; | |
4379 | else if (streq(name, "PIDFile")) | |
4380 | i->pid_file = s; | |
4381 | else if (streq(name, "SysFSPath")) | |
4382 | i->sysfs_path = s; | |
4383 | else if (streq(name, "Where")) | |
4384 | i->where = s; | |
4385 | else if (streq(name, "What")) | |
4386 | i->what = s; | |
4387 | else if (streq(name, "Following")) | |
4388 | i->following = s; | |
4389 | else if (streq(name, "UnitFileState")) | |
4390 | i->unit_file_state = s; | |
4391 | else if (streq(name, "UnitFilePreset")) | |
4392 | i->unit_file_preset = s; | |
4393 | else if (streq(name, "Result")) | |
4394 | i->result = s; | |
4395 | } | |
4396 | ||
4397 | break; | |
4398 | } | |
4399 | ||
4400 | case SD_BUS_TYPE_BOOLEAN: { | |
4401 | int b; | |
4402 | ||
4403 | r = sd_bus_message_read(m, "b", &b); | |
4404 | if (r < 0) | |
4405 | return bus_log_parse_error(r); | |
4406 | ||
4407 | if (streq(name, "Accept")) | |
4408 | i->accept = b; | |
4409 | else if (streq(name, "NeedDaemonReload")) | |
4410 | i->need_daemon_reload = b; | |
4411 | else if (streq(name, "ConditionResult")) | |
4412 | i->condition_result = b; | |
4413 | else if (streq(name, "AssertResult")) | |
4414 | i->assert_result = b; | |
4415 | else if (streq(name, "Transient")) | |
4416 | i->transient = b; | |
4417 | ||
4418 | break; | |
4419 | } | |
4420 | ||
4421 | case SD_BUS_TYPE_UINT32: { | |
4422 | uint32_t u; | |
4423 | ||
4424 | r = sd_bus_message_read(m, "u", &u); | |
4425 | if (r < 0) | |
4426 | return bus_log_parse_error(r); | |
4427 | ||
4428 | if (streq(name, "MainPID")) { | |
4429 | if (u > 0) { | |
4430 | i->main_pid = (pid_t) u; | |
4431 | i->running = true; | |
4432 | } | |
4433 | } else if (streq(name, "ControlPID")) | |
4434 | i->control_pid = (pid_t) u; | |
4435 | else if (streq(name, "ExecMainPID")) { | |
4436 | if (u > 0) | |
4437 | i->main_pid = (pid_t) u; | |
4438 | } else if (streq(name, "NAccepted")) | |
4439 | i->n_accepted = u; | |
4440 | else if (streq(name, "NConnections")) | |
4441 | i->n_connections = u; | |
4442 | ||
4443 | break; | |
4444 | } | |
4445 | ||
4446 | case SD_BUS_TYPE_INT32: { | |
4447 | int32_t j; | |
4448 | ||
4449 | r = sd_bus_message_read(m, "i", &j); | |
4450 | if (r < 0) | |
4451 | return bus_log_parse_error(r); | |
4452 | ||
4453 | if (streq(name, "ExecMainCode")) | |
4454 | i->exit_code = (int) j; | |
4455 | else if (streq(name, "ExecMainStatus")) | |
4456 | i->exit_status = (int) j; | |
4457 | else if (streq(name, "StatusErrno")) | |
4458 | i->status_errno = (int) j; | |
4459 | ||
4460 | break; | |
4461 | } | |
4462 | ||
4463 | case SD_BUS_TYPE_UINT64: { | |
4464 | uint64_t u; | |
4465 | ||
4466 | r = sd_bus_message_read(m, "t", &u); | |
4467 | if (r < 0) | |
4468 | return bus_log_parse_error(r); | |
4469 | ||
4470 | if (streq(name, "ExecMainStartTimestamp")) | |
4471 | i->start_timestamp = (usec_t) u; | |
4472 | else if (streq(name, "ExecMainExitTimestamp")) | |
4473 | i->exit_timestamp = (usec_t) u; | |
4474 | else if (streq(name, "ActiveEnterTimestamp")) | |
4475 | i->active_enter_timestamp = (usec_t) u; | |
4476 | else if (streq(name, "InactiveEnterTimestamp")) | |
4477 | i->inactive_enter_timestamp = (usec_t) u; | |
4478 | else if (streq(name, "InactiveExitTimestamp")) | |
4479 | i->inactive_exit_timestamp = (usec_t) u; | |
4480 | else if (streq(name, "InactiveExitTimestampMonotonic")) | |
4481 | i->inactive_exit_timestamp_monotonic = (usec_t) u; | |
4482 | else if (streq(name, "ActiveExitTimestamp")) | |
4483 | i->active_exit_timestamp = (usec_t) u; | |
4484 | else if (streq(name, "ConditionTimestamp")) | |
4485 | i->condition_timestamp = (usec_t) u; | |
4486 | else if (streq(name, "AssertTimestamp")) | |
4487 | i->assert_timestamp = (usec_t) u; | |
4488 | else if (streq(name, "MemoryCurrent")) | |
4489 | i->memory_current = u; | |
4490 | else if (streq(name, "MemoryLow")) | |
4491 | i->memory_low = u; | |
4492 | else if (streq(name, "MemoryHigh")) | |
4493 | i->memory_high = u; | |
4494 | else if (streq(name, "MemoryMax")) | |
4495 | i->memory_max = u; | |
4496 | else if (streq(name, "MemorySwapMax")) | |
4497 | i->memory_swap_max = u; | |
4498 | else if (streq(name, "MemoryLimit")) | |
4499 | i->memory_limit = u; | |
4500 | else if (streq(name, "TasksCurrent")) | |
4501 | i->tasks_current = u; | |
4502 | else if (streq(name, "TasksMax")) | |
4503 | i->tasks_max = u; | |
4504 | else if (streq(name, "CPUUsageNSec")) | |
4505 | i->cpu_usage_nsec = u; | |
4506 | else if (streq(name, "NextElapseUSecMonotonic")) | |
4507 | i->next_elapse_monotonic = u; | |
4508 | else if (streq(name, "NextElapseUSecRealtime")) | |
4509 | i->next_elapse_real = u; | |
4510 | else if (streq(name, "IPIngressBytes")) | |
4511 | i->ip_ingress_bytes = u; | |
4512 | else if (streq(name, "IPEgressBytes")) | |
4513 | i->ip_egress_bytes = u; | |
4514 | ||
4515 | break; | |
4516 | } | |
4517 | ||
4518 | case SD_BUS_TYPE_ARRAY: | |
4519 | ||
4520 | if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { | |
4521 | _cleanup_free_ ExecStatusInfo *info = NULL; | |
4522 | ||
4523 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
4524 | if (r < 0) | |
4525 | return bus_log_parse_error(r); | |
4526 | ||
4527 | info = new0(ExecStatusInfo, 1); | |
4528 | if (!info) | |
4529 | return log_oom(); | |
4530 | ||
4531 | while ((r = exec_status_info_deserialize(m, info)) > 0) { | |
4532 | ||
4533 | info->name = strdup(name); | |
4534 | if (!info->name) | |
4535 | return log_oom(); | |
4536 | ||
4537 | LIST_PREPEND(exec, i->exec, info); | |
4538 | ||
4539 | info = new0(ExecStatusInfo, 1); | |
4540 | if (!info) | |
4541 | return log_oom(); | |
4542 | } | |
4543 | ||
4544 | if (r < 0) | |
4545 | return bus_log_parse_error(r); | |
4546 | ||
4547 | r = sd_bus_message_exit_container(m); | |
4548 | if (r < 0) | |
4549 | return bus_log_parse_error(r); | |
4550 | ||
4551 | return 0; | |
4552 | ||
4553 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { | |
4554 | const char *type, *path; | |
4555 | ||
4556 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4557 | if (r < 0) | |
4558 | return bus_log_parse_error(r); | |
4559 | ||
4560 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) { | |
4561 | ||
4562 | r = strv_extend(&i->listen, type); | |
4563 | if (r < 0) | |
4564 | return r; | |
4565 | ||
4566 | r = strv_extend(&i->listen, path); | |
4567 | if (r < 0) | |
4568 | return r; | |
4569 | } | |
4570 | if (r < 0) | |
4571 | return bus_log_parse_error(r); | |
4572 | ||
4573 | r = sd_bus_message_exit_container(m); | |
4574 | if (r < 0) | |
4575 | return bus_log_parse_error(r); | |
4576 | ||
4577 | return 0; | |
4578 | ||
4579 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) { | |
4580 | ||
4581 | r = sd_bus_message_read_strv(m, &i->dropin_paths); | |
4582 | if (r < 0) | |
4583 | return bus_log_parse_error(r); | |
4584 | ||
4585 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) { | |
4586 | ||
4587 | r = sd_bus_message_read_strv(m, &i->documentation); | |
4588 | if (r < 0) | |
4589 | return bus_log_parse_error(r); | |
4590 | ||
4591 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) { | |
4592 | const char *cond, *param; | |
4593 | int trigger, negate; | |
4594 | int32_t state; | |
4595 | ||
4596 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
4597 | if (r < 0) | |
4598 | return bus_log_parse_error(r); | |
4599 | ||
4600 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
4601 | _cleanup_(unit_condition_freep) UnitCondition *c = NULL; | |
4602 | ||
4603 | log_debug("%s trigger=%d negate=%d %s →%d", cond, trigger, negate, param, state); | |
4604 | ||
4605 | c = new0(UnitCondition, 1); | |
4606 | if (!c) | |
4607 | return log_oom(); | |
4608 | ||
4609 | c->name = strdup(cond); | |
4610 | c->param = strdup(param); | |
4611 | if (!c->name || !c->param) | |
4612 | return log_oom(); | |
4613 | ||
4614 | c->trigger = trigger; | |
4615 | c->negate = negate; | |
4616 | c->tristate = state; | |
4617 | ||
4618 | LIST_PREPEND(conditions, i->conditions, c); | |
4619 | c = NULL; | |
4620 | } | |
4621 | if (r < 0) | |
4622 | return bus_log_parse_error(r); | |
4623 | ||
4624 | r = sd_bus_message_exit_container(m); | |
4625 | if (r < 0) | |
4626 | return bus_log_parse_error(r); | |
4627 | ||
4628 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) { | |
4629 | const char *cond, *param; | |
4630 | int trigger, negate; | |
4631 | int32_t state; | |
4632 | ||
4633 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
4634 | if (r < 0) | |
4635 | return bus_log_parse_error(r); | |
4636 | ||
4637 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
4638 | log_debug("%s %d %d %s %d", cond, trigger, negate, param, state); | |
4639 | if (state < 0 && (!trigger || !i->failed_assert)) { | |
4640 | i->failed_assert = cond; | |
4641 | i->failed_assert_trigger = trigger; | |
4642 | i->failed_assert_negate = negate; | |
4643 | i->failed_assert_parameter = param; | |
4644 | } | |
4645 | } | |
4646 | if (r < 0) | |
4647 | return bus_log_parse_error(r); | |
4648 | ||
4649 | r = sd_bus_message_exit_container(m); | |
4650 | if (r < 0) | |
4651 | return bus_log_parse_error(r); | |
4652 | ||
4653 | } else | |
4654 | goto skip; | |
4655 | ||
4656 | break; | |
4657 | ||
4658 | case SD_BUS_TYPE_STRUCT_BEGIN: | |
4659 | ||
4660 | if (streq(name, "LoadError")) { | |
4661 | const char *n, *message; | |
4662 | ||
4663 | r = sd_bus_message_read(m, "(ss)", &n, &message); | |
4664 | if (r < 0) | |
4665 | return bus_log_parse_error(r); | |
4666 | ||
4667 | if (!isempty(message)) | |
4668 | i->load_error = message; | |
4669 | } else | |
4670 | goto skip; | |
4671 | ||
4672 | break; | |
4673 | ||
4674 | default: | |
4675 | goto skip; | |
4676 | } | |
4677 | ||
4678 | return 0; | |
4679 | ||
4680 | skip: | |
4681 | r = sd_bus_message_skip(m, contents); | |
4682 | if (r < 0) | |
4683 | return bus_log_parse_error(r); | |
4684 | ||
4685 | return 0; | |
4686 | } | |
4687 | ||
4688 | #define print_prop(name, fmt, ...) \ | |
4689 | do { \ | |
4690 | if (arg_value) \ | |
4691 | printf(fmt "\n", __VA_ARGS__); \ | |
4692 | else \ | |
4693 | printf("%s=" fmt "\n", name, __VA_ARGS__); \ | |
4694 | } while(0) | |
4695 | ||
4696 | static int print_property(const char *name, sd_bus_message *m, const char *contents) { | |
4697 | int r; | |
4698 | ||
4699 | assert(name); | |
4700 | assert(m); | |
4701 | ||
4702 | /* This is a low-level property printer, see | |
4703 | * print_status_info() for the nicer output */ | |
4704 | ||
4705 | if (arg_properties && !strv_find(arg_properties, name)) { | |
4706 | /* skip what we didn't read */ | |
4707 | r = sd_bus_message_skip(m, contents); | |
4708 | return r; | |
4709 | } | |
4710 | ||
4711 | switch (contents[0]) { | |
4712 | ||
4713 | case SD_BUS_TYPE_STRUCT_BEGIN: | |
4714 | ||
4715 | if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) { | |
4716 | uint32_t u; | |
4717 | ||
4718 | r = sd_bus_message_read(m, "(uo)", &u, NULL); | |
4719 | if (r < 0) | |
4720 | return bus_log_parse_error(r); | |
4721 | ||
4722 | if (u > 0) | |
4723 | print_prop(name, "%"PRIu32, u); | |
4724 | else if (arg_all) | |
4725 | print_prop(name, "%s", ""); | |
4726 | ||
4727 | return 0; | |
4728 | ||
4729 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) { | |
4730 | const char *s; | |
4731 | ||
4732 | r = sd_bus_message_read(m, "(so)", &s, NULL); | |
4733 | if (r < 0) | |
4734 | return bus_log_parse_error(r); | |
4735 | ||
4736 | if (arg_all || !isempty(s)) | |
4737 | print_prop(name, "%s", s); | |
4738 | ||
4739 | return 0; | |
4740 | ||
4741 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) { | |
4742 | const char *a = NULL, *b = NULL; | |
4743 | ||
4744 | r = sd_bus_message_read(m, "(ss)", &a, &b); | |
4745 | if (r < 0) | |
4746 | return bus_log_parse_error(r); | |
4747 | ||
4748 | if (arg_all || !isempty(a) || !isempty(b)) | |
4749 | print_prop(name, "%s \"%s\"", strempty(a), strempty(b)); | |
4750 | ||
4751 | return 0; | |
4752 | } else if (streq_ptr(name, "SystemCallFilter")) { | |
4753 | _cleanup_strv_free_ char **l = NULL; | |
4754 | int whitelist; | |
4755 | ||
4756 | r = sd_bus_message_enter_container(m, 'r', "bas"); | |
4757 | if (r < 0) | |
4758 | return bus_log_parse_error(r); | |
4759 | ||
4760 | r = sd_bus_message_read(m, "b", &whitelist); | |
4761 | if (r < 0) | |
4762 | return bus_log_parse_error(r); | |
4763 | ||
4764 | r = sd_bus_message_read_strv(m, &l); | |
4765 | if (r < 0) | |
4766 | return bus_log_parse_error(r); | |
4767 | ||
4768 | r = sd_bus_message_exit_container(m); | |
4769 | if (r < 0) | |
4770 | return bus_log_parse_error(r); | |
4771 | ||
4772 | if (arg_all || whitelist || !strv_isempty(l)) { | |
4773 | bool first = true; | |
4774 | char **i; | |
4775 | ||
4776 | if (!arg_value) { | |
4777 | fputs(name, stdout); | |
4778 | fputc('=', stdout); | |
4779 | } | |
4780 | ||
4781 | if (!whitelist) | |
4782 | fputc('~', stdout); | |
4783 | ||
4784 | STRV_FOREACH(i, l) { | |
4785 | if (first) | |
4786 | first = false; | |
4787 | else | |
4788 | fputc(' ', stdout); | |
4789 | ||
4790 | fputs(*i, stdout); | |
4791 | } | |
4792 | fputc('\n', stdout); | |
4793 | } | |
4794 | ||
4795 | return 0; | |
4796 | } | |
4797 | ||
4798 | break; | |
4799 | ||
4800 | case SD_BUS_TYPE_ARRAY: | |
4801 | ||
4802 | if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) { | |
4803 | const char *path; | |
4804 | int ignore; | |
4805 | ||
4806 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)"); | |
4807 | if (r < 0) | |
4808 | return bus_log_parse_error(r); | |
4809 | ||
4810 | while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0) | |
4811 | print_prop("EnvironmentFile", "%s (ignore_errors=%s)", path, yes_no(ignore)); | |
4812 | ||
4813 | if (r < 0) | |
4814 | return bus_log_parse_error(r); | |
4815 | ||
4816 | r = sd_bus_message_exit_container(m); | |
4817 | if (r < 0) | |
4818 | return bus_log_parse_error(r); | |
4819 | ||
4820 | return 0; | |
4821 | ||
4822 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) { | |
4823 | const char *type, *path; | |
4824 | ||
4825 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4826 | if (r < 0) | |
4827 | return bus_log_parse_error(r); | |
4828 | ||
4829 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
4830 | print_prop(type, "%s", path); | |
4831 | if (r < 0) | |
4832 | return bus_log_parse_error(r); | |
4833 | ||
4834 | r = sd_bus_message_exit_container(m); | |
4835 | if (r < 0) | |
4836 | return bus_log_parse_error(r); | |
4837 | ||
4838 | return 0; | |
4839 | ||
4840 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { | |
4841 | const char *type, *path; | |
4842 | ||
4843 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4844 | if (r < 0) | |
4845 | return bus_log_parse_error(r); | |
4846 | ||
4847 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
4848 | if (arg_value) | |
4849 | puts(path); | |
4850 | else | |
4851 | printf("Listen%s=%s\n", type, path); | |
4852 | if (r < 0) | |
4853 | return bus_log_parse_error(r); | |
4854 | ||
4855 | r = sd_bus_message_exit_container(m); | |
4856 | if (r < 0) | |
4857 | return bus_log_parse_error(r); | |
4858 | ||
4859 | return 0; | |
4860 | ||
4861 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) { | |
4862 | const char *base; | |
4863 | uint64_t value, next_elapse; | |
4864 | ||
4865 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)"); | |
4866 | if (r < 0) | |
4867 | return bus_log_parse_error(r); | |
4868 | ||
4869 | while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) { | |
4870 | char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX]; | |
4871 | ||
4872 | print_prop(base, "{ value=%s ; next_elapse=%s }", | |
4873 | format_timespan(timespan1, sizeof(timespan1), value, 0), | |
4874 | format_timespan(timespan2, sizeof(timespan2), next_elapse, 0)); | |
4875 | } | |
4876 | if (r < 0) | |
4877 | return bus_log_parse_error(r); | |
4878 | ||
4879 | r = sd_bus_message_exit_container(m); | |
4880 | if (r < 0) | |
4881 | return bus_log_parse_error(r); | |
4882 | ||
4883 | return 0; | |
4884 | ||
4885 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { | |
4886 | ExecStatusInfo info = {}; | |
4887 | ||
4888 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
4889 | if (r < 0) | |
4890 | return bus_log_parse_error(r); | |
4891 | ||
4892 | while ((r = exec_status_info_deserialize(m, &info)) > 0) { | |
4893 | char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX]; | |
4894 | _cleanup_free_ char *tt; | |
4895 | ||
4896 | tt = strv_join(info.argv, " "); | |
4897 | ||
4898 | print_prop(name, | |
4899 | "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }", | |
4900 | strna(info.path), | |
4901 | strna(tt), | |
4902 | yes_no(info.ignore), | |
4903 | strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), | |
4904 | strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), | |
4905 | info.pid, | |
4906 | sigchld_code_to_string(info.code), | |
4907 | info.status, | |
4908 | info.code == CLD_EXITED ? "" : "/", | |
4909 | strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); | |
4910 | ||
4911 | free(info.path); | |
4912 | strv_free(info.argv); | |
4913 | zero(info); | |
4914 | } | |
4915 | ||
4916 | r = sd_bus_message_exit_container(m); | |
4917 | if (r < 0) | |
4918 | return bus_log_parse_error(r); | |
4919 | ||
4920 | return 0; | |
4921 | ||
4922 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) { | |
4923 | const char *path, *rwm; | |
4924 | ||
4925 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4926 | if (r < 0) | |
4927 | return bus_log_parse_error(r); | |
4928 | ||
4929 | while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0) | |
4930 | print_prop(name, "%s %s", strna(path), strna(rwm)); | |
4931 | if (r < 0) | |
4932 | return bus_log_parse_error(r); | |
4933 | ||
4934 | r = sd_bus_message_exit_container(m); | |
4935 | if (r < 0) | |
4936 | return bus_log_parse_error(r); | |
4937 | ||
4938 | return 0; | |
4939 | ||
4940 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && | |
4941 | STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) { | |
4942 | const char *path; | |
4943 | uint64_t weight; | |
4944 | ||
4945 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
4946 | if (r < 0) | |
4947 | return bus_log_parse_error(r); | |
4948 | ||
4949 | while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0) | |
4950 | print_prop(name, "%s %"PRIu64, strna(path), weight); | |
4951 | if (r < 0) | |
4952 | return bus_log_parse_error(r); | |
4953 | ||
4954 | r = sd_bus_message_exit_container(m); | |
4955 | if (r < 0) | |
4956 | return bus_log_parse_error(r); | |
4957 | ||
4958 | return 0; | |
4959 | ||
4960 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && | |
4961 | (cgroup_io_limit_type_from_string(name) >= 0 || | |
4962 | STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) { | |
4963 | const char *path; | |
4964 | uint64_t bandwidth; | |
4965 | ||
4966 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
4967 | if (r < 0) | |
4968 | return bus_log_parse_error(r); | |
4969 | ||
4970 | while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0) | |
4971 | print_prop(name, "%s %"PRIu64, strna(path), bandwidth); | |
4972 | if (r < 0) | |
4973 | return bus_log_parse_error(r); | |
4974 | ||
4975 | r = sd_bus_message_exit_container(m); | |
4976 | if (r < 0) | |
4977 | return bus_log_parse_error(r); | |
4978 | ||
4979 | return 0; | |
4980 | } | |
4981 | ||
4982 | break; | |
4983 | } | |
4984 | ||
4985 | r = bus_print_property(name, m, arg_value, arg_all); | |
4986 | if (r < 0) | |
4987 | return bus_log_parse_error(r); | |
4988 | ||
4989 | if (r == 0) { | |
4990 | r = sd_bus_message_skip(m, contents); | |
4991 | if (r < 0) | |
4992 | return bus_log_parse_error(r); | |
4993 | ||
4994 | if (arg_all) | |
4995 | printf("%s=[unprintable]\n", name); | |
4996 | } | |
4997 | ||
4998 | return 0; | |
4999 | } | |
5000 | ||
5001 | static int show_one( | |
5002 | const char *verb, | |
5003 | sd_bus *bus, | |
5004 | const char *path, | |
5005 | const char *unit, | |
5006 | bool show_properties, | |
5007 | bool *new_line, | |
5008 | bool *ellipsized) { | |
5009 | ||
5010 | static const struct bus_properties_map property_map[] = { | |
5011 | { "LoadState", "s", map_string_no_copy, offsetof(UnitStatusInfo, load_state) }, | |
5012 | { "ActiveState", "s", map_string_no_copy, offsetof(UnitStatusInfo, active_state) }, | |
5013 | {} | |
5014 | }; | |
5015 | ||
5016 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5017 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5018 | _cleanup_set_free_ Set *found_properties = NULL; | |
5019 | _cleanup_(unit_status_info_free) UnitStatusInfo info = { | |
5020 | .memory_current = (uint64_t) -1, | |
5021 | .memory_high = CGROUP_LIMIT_MAX, | |
5022 | .memory_max = CGROUP_LIMIT_MAX, | |
5023 | .memory_swap_max = CGROUP_LIMIT_MAX, | |
5024 | .memory_limit = (uint64_t) -1, | |
5025 | .cpu_usage_nsec = (uint64_t) -1, | |
5026 | .tasks_current = (uint64_t) -1, | |
5027 | .tasks_max = (uint64_t) -1, | |
5028 | .ip_ingress_bytes = (uint64_t) -1, | |
5029 | .ip_egress_bytes = (uint64_t) -1, | |
5030 | }; | |
5031 | int r; | |
5032 | ||
5033 | assert(path); | |
5034 | assert(new_line); | |
5035 | ||
5036 | log_debug("Showing one %s", path); | |
5037 | ||
5038 | r = sd_bus_call_method( | |
5039 | bus, | |
5040 | "org.freedesktop.systemd1", | |
5041 | path, | |
5042 | "org.freedesktop.DBus.Properties", | |
5043 | "GetAll", | |
5044 | &error, | |
5045 | &reply, | |
5046 | "s", ""); | |
5047 | if (r < 0) | |
5048 | return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); | |
5049 | ||
5050 | if (unit) { | |
5051 | r = bus_message_map_all_properties(reply, property_map, &error, &info); | |
5052 | if (r < 0) | |
5053 | return log_error_errno(r, "Failed to map properties: %s", bus_error_message(&error, r)); | |
5054 | ||
5055 | if (streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) { | |
5056 | log_full(streq(verb, "status") ? LOG_ERR : LOG_DEBUG, | |
5057 | "Unit %s could not be found.", unit); | |
5058 | ||
5059 | if (streq(verb, "status")) | |
5060 | return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN; | |
5061 | ||
5062 | if (!streq(verb, "show")) | |
5063 | return -ENOENT; | |
5064 | } | |
5065 | ||
5066 | r = sd_bus_message_rewind(reply, true); | |
5067 | if (r < 0) | |
5068 | return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r)); | |
5069 | } | |
5070 | ||
5071 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); | |
5072 | if (r < 0) | |
5073 | return bus_log_parse_error(r); | |
5074 | ||
5075 | if (*new_line) | |
5076 | printf("\n"); | |
5077 | ||
5078 | *new_line = true; | |
5079 | ||
5080 | while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
5081 | const char *name, *contents; | |
5082 | ||
5083 | r = sd_bus_message_read(reply, "s", &name); | |
5084 | if (r < 0) | |
5085 | return bus_log_parse_error(r); | |
5086 | ||
5087 | r = sd_bus_message_peek_type(reply, NULL, &contents); | |
5088 | if (r < 0) | |
5089 | return bus_log_parse_error(r); | |
5090 | ||
5091 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents); | |
5092 | if (r < 0) | |
5093 | return bus_log_parse_error(r); | |
5094 | ||
5095 | if (show_properties) { | |
5096 | r = set_ensure_allocated(&found_properties, &string_hash_ops); | |
5097 | if (r < 0) | |
5098 | return log_oom(); | |
5099 | ||
5100 | r = set_put(found_properties, name); | |
5101 | if (r < 0 && r != EEXIST) | |
5102 | return log_oom(); | |
5103 | ||
5104 | r = print_property(name, reply, contents); | |
5105 | } else | |
5106 | r = status_property(name, reply, &info, contents); | |
5107 | if (r < 0) | |
5108 | return r; | |
5109 | ||
5110 | r = sd_bus_message_exit_container(reply); | |
5111 | if (r < 0) | |
5112 | return bus_log_parse_error(r); | |
5113 | ||
5114 | r = sd_bus_message_exit_container(reply); | |
5115 | if (r < 0) | |
5116 | return bus_log_parse_error(r); | |
5117 | } | |
5118 | if (r < 0) | |
5119 | return bus_log_parse_error(r); | |
5120 | ||
5121 | r = sd_bus_message_exit_container(reply); | |
5122 | if (r < 0) | |
5123 | return bus_log_parse_error(r); | |
5124 | ||
5125 | r = 0; | |
5126 | if (show_properties) { | |
5127 | char **pp; | |
5128 | ||
5129 | STRV_FOREACH(pp, arg_properties) | |
5130 | if (!set_contains(found_properties, *pp)) | |
5131 | log_debug("Property %s does not exist.", *pp); | |
5132 | ||
5133 | } else if (streq(verb, "help")) | |
5134 | show_unit_help(&info); | |
5135 | else if (streq(verb, "status")) { | |
5136 | print_status_info(bus, &info, ellipsized); | |
5137 | ||
5138 | if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading")) | |
5139 | r = EXIT_PROGRAM_NOT_RUNNING; | |
5140 | else | |
5141 | r = EXIT_PROGRAM_RUNNING_OR_SERVICE_OK; | |
5142 | } | |
5143 | ||
5144 | return r; | |
5145 | } | |
5146 | ||
5147 | static int get_unit_dbus_path_by_pid( | |
5148 | sd_bus *bus, | |
5149 | uint32_t pid, | |
5150 | char **unit) { | |
5151 | ||
5152 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5153 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5154 | char *u; | |
5155 | int r; | |
5156 | ||
5157 | r = sd_bus_call_method( | |
5158 | bus, | |
5159 | "org.freedesktop.systemd1", | |
5160 | "/org/freedesktop/systemd1", | |
5161 | "org.freedesktop.systemd1.Manager", | |
5162 | "GetUnitByPID", | |
5163 | &error, | |
5164 | &reply, | |
5165 | "u", pid); | |
5166 | if (r < 0) | |
5167 | return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r)); | |
5168 | ||
5169 | r = sd_bus_message_read(reply, "o", &u); | |
5170 | if (r < 0) | |
5171 | return bus_log_parse_error(r); | |
5172 | ||
5173 | u = strdup(u); | |
5174 | if (!u) | |
5175 | return log_oom(); | |
5176 | ||
5177 | *unit = u; | |
5178 | return 0; | |
5179 | } | |
5180 | ||
5181 | static int show_all( | |
5182 | const char* verb, | |
5183 | sd_bus *bus, | |
5184 | bool show_properties, | |
5185 | bool *new_line, | |
5186 | bool *ellipsized) { | |
5187 | ||
5188 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5189 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
5190 | const UnitInfo *u; | |
5191 | unsigned c; | |
5192 | int r, ret = 0; | |
5193 | ||
5194 | r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply); | |
5195 | if (r < 0) | |
5196 | return r; | |
5197 | ||
5198 | pager_open(arg_no_pager, false); | |
5199 | ||
5200 | c = (unsigned) r; | |
5201 | ||
5202 | qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info); | |
5203 | ||
5204 | for (u = unit_infos; u < unit_infos + c; u++) { | |
5205 | _cleanup_free_ char *p = NULL; | |
5206 | ||
5207 | p = unit_dbus_path_from_name(u->id); | |
5208 | if (!p) | |
5209 | return log_oom(); | |
5210 | ||
5211 | r = show_one(verb, bus, p, u->id, show_properties, new_line, ellipsized); | |
5212 | if (r < 0) | |
5213 | return r; | |
5214 | else if (r > 0 && ret == 0) | |
5215 | ret = r; | |
5216 | } | |
5217 | ||
5218 | return ret; | |
5219 | } | |
5220 | ||
5221 | static int show_system_status(sd_bus *bus) { | |
5222 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; | |
5223 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5224 | _cleanup_(machine_info_clear) struct machine_info mi = {}; | |
5225 | _cleanup_free_ char *hn = NULL; | |
5226 | const char *on, *off; | |
5227 | int r; | |
5228 | ||
5229 | hn = gethostname_malloc(); | |
5230 | if (!hn) | |
5231 | return log_oom(); | |
5232 | ||
5233 | r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &error, &mi); | |
5234 | if (r < 0) | |
5235 | return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r)); | |
5236 | ||
5237 | if (streq_ptr(mi.state, "degraded")) { | |
5238 | on = ansi_highlight_red(); | |
5239 | off = ansi_normal(); | |
5240 | } else if (streq_ptr(mi.state, "running")) { | |
5241 | on = ansi_highlight_green(); | |
5242 | off = ansi_normal(); | |
5243 | } else { | |
5244 | on = ansi_highlight_yellow(); | |
5245 | off = ansi_normal(); | |
5246 | } | |
5247 | ||
5248 | printf("%s%s%s %s\n", on, special_glyph(BLACK_CIRCLE), off, arg_host ? arg_host : hn); | |
5249 | ||
5250 | printf(" State: %s%s%s\n", | |
5251 | on, strna(mi.state), off); | |
5252 | ||
5253 | printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs); | |
5254 | printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units); | |
5255 | ||
5256 | printf(" Since: %s; %s\n", | |
5257 | format_timestamp(since2, sizeof(since2), mi.timestamp), | |
5258 | format_timestamp_relative(since1, sizeof(since1), mi.timestamp)); | |
5259 | ||
5260 | printf(" CGroup: %s\n", mi.control_group ?: "/"); | |
5261 | if (IN_SET(arg_transport, | |
5262 | BUS_TRANSPORT_LOCAL, | |
5263 | BUS_TRANSPORT_MACHINE)) { | |
5264 | static const char prefix[] = " "; | |
5265 | unsigned c; | |
5266 | ||
5267 | c = columns(); | |
5268 | if (c > sizeof(prefix) - 1) | |
5269 | c -= sizeof(prefix) - 1; | |
5270 | else | |
5271 | c = 0; | |
5272 | ||
5273 | show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags()); | |
5274 | } | |
5275 | ||
5276 | return 0; | |
5277 | } | |
5278 | ||
5279 | static int show(int argc, char *argv[], void *userdata) { | |
5280 | bool show_properties, show_status, show_help, new_line = false; | |
5281 | bool ellipsized = false; | |
5282 | int r, ret = 0; | |
5283 | sd_bus *bus; | |
5284 | ||
5285 | assert(argv); | |
5286 | ||
5287 | show_properties = streq(argv[0], "show"); | |
5288 | show_status = streq(argv[0], "status"); | |
5289 | show_help = streq(argv[0], "help"); | |
5290 | ||
5291 | if (show_help && argc <= 1) { | |
5292 | log_error("This command expects one or more unit names. Did you mean --help?"); | |
5293 | return -EINVAL; | |
5294 | } | |
5295 | ||
5296 | r = acquire_bus(BUS_MANAGER, &bus); | |
5297 | if (r < 0) | |
5298 | return r; | |
5299 | ||
5300 | pager_open(arg_no_pager, false); | |
5301 | ||
5302 | if (show_status) | |
5303 | /* Increase max number of open files to 16K if we can, we | |
5304 | * might needs this when browsing journal files, which might | |
5305 | * be split up into many files. */ | |
5306 | setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384)); | |
5307 | ||
5308 | /* If no argument is specified inspect the manager itself */ | |
5309 | if (show_properties && argc <= 1) | |
5310 | return show_one(argv[0], bus, "/org/freedesktop/systemd1", NULL, show_properties, &new_line, &ellipsized); | |
5311 | ||
5312 | if (show_status && argc <= 1) { | |
5313 | ||
5314 | show_system_status(bus); | |
5315 | new_line = true; | |
5316 | ||
5317 | if (arg_all) | |
5318 | ret = show_all(argv[0], bus, false, &new_line, &ellipsized); | |
5319 | } else { | |
5320 | _cleanup_free_ char **patterns = NULL; | |
5321 | char **name; | |
5322 | ||
5323 | STRV_FOREACH(name, strv_skip(argv, 1)) { | |
5324 | _cleanup_free_ char *path = NULL, *unit = NULL; | |
5325 | uint32_t id; | |
5326 | ||
5327 | if (safe_atou32(*name, &id) < 0) { | |
5328 | if (strv_push(&patterns, *name) < 0) | |
5329 | return log_oom(); | |
5330 | ||
5331 | continue; | |
5332 | } else if (show_properties) { | |
5333 | /* Interpret as job id */ | |
5334 | if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0) | |
5335 | return log_oom(); | |
5336 | ||
5337 | } else { | |
5338 | /* Interpret as PID */ | |
5339 | r = get_unit_dbus_path_by_pid(bus, id, &path); | |
5340 | if (r < 0) { | |
5341 | ret = r; | |
5342 | continue; | |
5343 | } | |
5344 | ||
5345 | r = unit_name_from_dbus_path(path, &unit); | |
5346 | if (r < 0) | |
5347 | return log_oom(); | |
5348 | } | |
5349 | ||
5350 | r = show_one(argv[0], bus, path, unit, show_properties, &new_line, &ellipsized); | |
5351 | if (r < 0) | |
5352 | return r; | |
5353 | else if (r > 0 && ret == 0) | |
5354 | ret = r; | |
5355 | } | |
5356 | ||
5357 | if (!strv_isempty(patterns)) { | |
5358 | _cleanup_strv_free_ char **names = NULL; | |
5359 | ||
5360 | r = expand_names(bus, patterns, NULL, &names); | |
5361 | if (r < 0) | |
5362 | return log_error_errno(r, "Failed to expand names: %m"); | |
5363 | ||
5364 | STRV_FOREACH(name, names) { | |
5365 | _cleanup_free_ char *path; | |
5366 | ||
5367 | path = unit_dbus_path_from_name(*name); | |
5368 | if (!path) | |
5369 | return log_oom(); | |
5370 | ||
5371 | r = show_one(argv[0], bus, path, *name, show_properties, &new_line, &ellipsized); | |
5372 | if (r < 0) | |
5373 | return r; | |
5374 | if (r > 0 && ret == 0) | |
5375 | ret = r; | |
5376 | } | |
5377 | } | |
5378 | } | |
5379 | ||
5380 | if (ellipsized && !arg_quiet) | |
5381 | printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); | |
5382 | ||
5383 | return ret; | |
5384 | } | |
5385 | ||
5386 | static int cat_file(const char *filename, bool newline) { | |
5387 | _cleanup_close_ int fd; | |
5388 | ||
5389 | fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOCTTY); | |
5390 | if (fd < 0) | |
5391 | return -errno; | |
5392 | ||
5393 | printf("%s%s# %s%s\n", | |
5394 | newline ? "\n" : "", | |
5395 | ansi_highlight_blue(), | |
5396 | filename, | |
5397 | ansi_normal()); | |
5398 | fflush(stdout); | |
5399 | ||
5400 | return copy_bytes(fd, STDOUT_FILENO, (uint64_t) -1, 0); | |
5401 | } | |
5402 | ||
5403 | static int cat(int argc, char *argv[], void *userdata) { | |
5404 | _cleanup_lookup_paths_free_ LookupPaths lp = {}; | |
5405 | _cleanup_strv_free_ char **names = NULL; | |
5406 | char **name; | |
5407 | sd_bus *bus; | |
5408 | bool first = true; | |
5409 | int r; | |
5410 | ||
5411 | if (arg_transport != BUS_TRANSPORT_LOCAL) { | |
5412 | log_error("Cannot remotely cat units."); | |
5413 | return -EINVAL; | |
5414 | } | |
5415 | ||
5416 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
5417 | if (r < 0) | |
5418 | return log_error_errno(r, "Failed to determine unit paths: %m"); | |
5419 | ||
5420 | r = acquire_bus(BUS_MANAGER, &bus); | |
5421 | if (r < 0) | |
5422 | return r; | |
5423 | ||
5424 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
5425 | if (r < 0) | |
5426 | return log_error_errno(r, "Failed to expand names: %m"); | |
5427 | ||
5428 | pager_open(arg_no_pager, false); | |
5429 | ||
5430 | STRV_FOREACH(name, names) { | |
5431 | _cleanup_free_ char *fragment_path = NULL; | |
5432 | _cleanup_strv_free_ char **dropin_paths = NULL; | |
5433 | char **path; | |
5434 | ||
5435 | r = unit_find_paths(bus, *name, &lp, &fragment_path, &dropin_paths); | |
5436 | if (r < 0) | |
5437 | return r; | |
5438 | else if (r == 0) | |
5439 | return -ENOENT; | |
5440 | ||
5441 | if (first) | |
5442 | first = false; | |
5443 | else | |
5444 | puts(""); | |
5445 | ||
5446 | if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */ | |
5447 | fprintf(stderr, | |
5448 | "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n" | |
5449 | "%s# This output shows the current version of the unit's original fragment and drop-in files.\n" | |
5450 | "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n" | |
5451 | "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n", | |
5452 | ansi_highlight_red(), | |
5453 | *name, | |
5454 | ansi_highlight_red(), | |
5455 | ansi_highlight_red(), | |
5456 | ansi_highlight_red(), | |
5457 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user", | |
5458 | ansi_normal()); | |
5459 | ||
5460 | if (fragment_path) { | |
5461 | r = cat_file(fragment_path, false); | |
5462 | if (r < 0) | |
5463 | return log_warning_errno(r, "Failed to cat %s: %m", fragment_path); | |
5464 | } | |
5465 | ||
5466 | STRV_FOREACH(path, dropin_paths) { | |
5467 | r = cat_file(*path, path == dropin_paths); | |
5468 | if (r < 0) | |
5469 | return log_warning_errno(r, "Failed to cat %s: %m", *path); | |
5470 | } | |
5471 | } | |
5472 | ||
5473 | return 0; | |
5474 | } | |
5475 | ||
5476 | static int set_property(int argc, char *argv[], void *userdata) { | |
5477 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5478 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5479 | _cleanup_free_ char *n = NULL; | |
5480 | sd_bus *bus; | |
5481 | int r; | |
5482 | ||
5483 | r = acquire_bus(BUS_MANAGER, &bus); | |
5484 | if (r < 0) | |
5485 | return r; | |
5486 | ||
5487 | polkit_agent_open_maybe(); | |
5488 | ||
5489 | r = sd_bus_message_new_method_call( | |
5490 | bus, | |
5491 | &m, | |
5492 | "org.freedesktop.systemd1", | |
5493 | "/org/freedesktop/systemd1", | |
5494 | "org.freedesktop.systemd1.Manager", | |
5495 | "SetUnitProperties"); | |
5496 | if (r < 0) | |
5497 | return bus_log_create_error(r); | |
5498 | ||
5499 | r = unit_name_mangle(argv[1], UNIT_NAME_NOGLOB, &n); | |
5500 | if (r < 0) | |
5501 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
5502 | ||
5503 | r = sd_bus_message_append(m, "sb", n, arg_runtime); | |
5504 | if (r < 0) | |
5505 | return bus_log_create_error(r); | |
5506 | ||
5507 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)"); | |
5508 | if (r < 0) | |
5509 | return bus_log_create_error(r); | |
5510 | ||
5511 | r = bus_append_unit_property_assignment_many(m, strv_skip(argv, 2)); | |
5512 | if (r < 0) | |
5513 | return r; | |
5514 | ||
5515 | r = sd_bus_message_close_container(m); | |
5516 | if (r < 0) | |
5517 | return bus_log_create_error(r); | |
5518 | ||
5519 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5520 | if (r < 0) | |
5521 | return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r)); | |
5522 | ||
5523 | return 0; | |
5524 | } | |
5525 | ||
5526 | static int daemon_reload(int argc, char *argv[], void *userdata) { | |
5527 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5528 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5529 | const char *method; | |
5530 | sd_bus *bus; | |
5531 | int r; | |
5532 | ||
5533 | r = acquire_bus(BUS_MANAGER, &bus); | |
5534 | if (r < 0) | |
5535 | return r; | |
5536 | ||
5537 | polkit_agent_open_maybe(); | |
5538 | ||
5539 | switch (arg_action) { | |
5540 | ||
5541 | case ACTION_RELOAD: | |
5542 | method = "Reload"; | |
5543 | break; | |
5544 | ||
5545 | case ACTION_REEXEC: | |
5546 | method = "Reexecute"; | |
5547 | break; | |
5548 | ||
5549 | case ACTION_SYSTEMCTL: | |
5550 | method = streq(argv[0], "daemon-reexec") ? "Reexecute" : | |
5551 | /* "daemon-reload" */ "Reload"; | |
5552 | break; | |
5553 | ||
5554 | default: | |
5555 | assert_not_reached("Unexpected action"); | |
5556 | } | |
5557 | ||
5558 | r = sd_bus_message_new_method_call( | |
5559 | bus, | |
5560 | &m, | |
5561 | "org.freedesktop.systemd1", | |
5562 | "/org/freedesktop/systemd1", | |
5563 | "org.freedesktop.systemd1.Manager", | |
5564 | method); | |
5565 | if (r < 0) | |
5566 | return bus_log_create_error(r); | |
5567 | ||
5568 | /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which | |
5569 | * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have | |
5570 | * their timeout, and for everything else there's the same time budget in place. */ | |
5571 | ||
5572 | r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL); | |
5573 | ||
5574 | /* On reexecution, we expect a disconnect, not a reply */ | |
5575 | if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute")) | |
5576 | r = 0; | |
5577 | ||
5578 | if (r < 0 && arg_action == ACTION_SYSTEMCTL) | |
5579 | return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r)); | |
5580 | ||
5581 | /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the | |
5582 | * old ways of doing things, hence don't log any error in that case here. */ | |
5583 | ||
5584 | return r < 0 ? r : 0; | |
5585 | } | |
5586 | ||
5587 | static int trivial_method(int argc, char *argv[], void *userdata) { | |
5588 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5589 | const char *method; | |
5590 | sd_bus *bus; | |
5591 | int r; | |
5592 | ||
5593 | r = acquire_bus(BUS_MANAGER, &bus); | |
5594 | if (r < 0) | |
5595 | return r; | |
5596 | ||
5597 | polkit_agent_open_maybe(); | |
5598 | ||
5599 | method = | |
5600 | streq(argv[0], "clear-jobs") || | |
5601 | streq(argv[0], "cancel") ? "ClearJobs" : | |
5602 | streq(argv[0], "reset-failed") ? "ResetFailed" : | |
5603 | streq(argv[0], "halt") ? "Halt" : | |
5604 | streq(argv[0], "reboot") ? "Reboot" : | |
5605 | streq(argv[0], "kexec") ? "KExec" : | |
5606 | streq(argv[0], "exit") ? "Exit" : | |
5607 | /* poweroff */ "PowerOff"; | |
5608 | ||
5609 | r = sd_bus_call_method( | |
5610 | bus, | |
5611 | "org.freedesktop.systemd1", | |
5612 | "/org/freedesktop/systemd1", | |
5613 | "org.freedesktop.systemd1.Manager", | |
5614 | method, | |
5615 | &error, | |
5616 | NULL, | |
5617 | NULL); | |
5618 | if (r < 0 && arg_action == ACTION_SYSTEMCTL) | |
5619 | return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r)); | |
5620 | ||
5621 | /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the | |
5622 | * old ways of doing things, hence don't log any error in that case here. */ | |
5623 | ||
5624 | return r < 0 ? r : 0; | |
5625 | } | |
5626 | ||
5627 | static int reset_failed(int argc, char *argv[], void *userdata) { | |
5628 | _cleanup_strv_free_ char **names = NULL; | |
5629 | sd_bus *bus; | |
5630 | char **name; | |
5631 | int r, q; | |
5632 | ||
5633 | if (argc <= 1) | |
5634 | return trivial_method(argc, argv, userdata); | |
5635 | ||
5636 | r = acquire_bus(BUS_MANAGER, &bus); | |
5637 | if (r < 0) | |
5638 | return r; | |
5639 | ||
5640 | polkit_agent_open_maybe(); | |
5641 | ||
5642 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
5643 | if (r < 0) | |
5644 | return log_error_errno(r, "Failed to expand names: %m"); | |
5645 | ||
5646 | STRV_FOREACH(name, names) { | |
5647 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5648 | ||
5649 | q = sd_bus_call_method( | |
5650 | bus, | |
5651 | "org.freedesktop.systemd1", | |
5652 | "/org/freedesktop/systemd1", | |
5653 | "org.freedesktop.systemd1.Manager", | |
5654 | "ResetFailedUnit", | |
5655 | &error, | |
5656 | NULL, | |
5657 | "s", *name); | |
5658 | if (q < 0) { | |
5659 | log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q)); | |
5660 | if (r == 0) | |
5661 | r = q; | |
5662 | } | |
5663 | } | |
5664 | ||
5665 | return r; | |
5666 | } | |
5667 | ||
5668 | static int print_variable(const char *s) { | |
5669 | const char *sep; | |
5670 | _cleanup_free_ char *esc = NULL; | |
5671 | ||
5672 | sep = strchr(s, '='); | |
5673 | if (!sep) { | |
5674 | log_error("Invalid environment block"); | |
5675 | return -EUCLEAN; | |
5676 | } | |
5677 | ||
5678 | esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX); | |
5679 | if (!esc) | |
5680 | return log_oom(); | |
5681 | ||
5682 | printf("%.*s=%s\n", (int)(sep-s), s, esc); | |
5683 | return 0; | |
5684 | } | |
5685 | ||
5686 | static int show_environment(int argc, char *argv[], void *userdata) { | |
5687 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5688 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5689 | const char *text; | |
5690 | sd_bus *bus; | |
5691 | int r; | |
5692 | ||
5693 | r = acquire_bus(BUS_MANAGER, &bus); | |
5694 | if (r < 0) | |
5695 | return r; | |
5696 | ||
5697 | pager_open(arg_no_pager, false); | |
5698 | ||
5699 | r = sd_bus_get_property( | |
5700 | bus, | |
5701 | "org.freedesktop.systemd1", | |
5702 | "/org/freedesktop/systemd1", | |
5703 | "org.freedesktop.systemd1.Manager", | |
5704 | "Environment", | |
5705 | &error, | |
5706 | &reply, | |
5707 | "as"); | |
5708 | if (r < 0) | |
5709 | return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r)); | |
5710 | ||
5711 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s"); | |
5712 | if (r < 0) | |
5713 | return bus_log_parse_error(r); | |
5714 | ||
5715 | while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) { | |
5716 | r = print_variable(text); | |
5717 | if (r < 0) | |
5718 | return r; | |
5719 | } | |
5720 | if (r < 0) | |
5721 | return bus_log_parse_error(r); | |
5722 | ||
5723 | r = sd_bus_message_exit_container(reply); | |
5724 | if (r < 0) | |
5725 | return bus_log_parse_error(r); | |
5726 | ||
5727 | return 0; | |
5728 | } | |
5729 | ||
5730 | static int switch_root(int argc, char *argv[], void *userdata) { | |
5731 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5732 | _cleanup_free_ char *cmdline_init = NULL; | |
5733 | const char *root, *init; | |
5734 | sd_bus *bus; | |
5735 | int r; | |
5736 | ||
5737 | if (arg_transport != BUS_TRANSPORT_LOCAL) { | |
5738 | log_error("Cannot switch root remotely."); | |
5739 | return -EINVAL; | |
5740 | } | |
5741 | ||
5742 | if (argc < 2 || argc > 3) { | |
5743 | log_error("Wrong number of arguments."); | |
5744 | return -EINVAL; | |
5745 | } | |
5746 | ||
5747 | root = argv[1]; | |
5748 | ||
5749 | if (argc >= 3) | |
5750 | init = argv[2]; | |
5751 | else { | |
5752 | r = parse_env_file("/proc/cmdline", WHITESPACE, | |
5753 | "init", &cmdline_init, | |
5754 | NULL); | |
5755 | if (r < 0) | |
5756 | log_debug_errno(r, "Failed to parse /proc/cmdline: %m"); | |
5757 | ||
5758 | init = cmdline_init; | |
5759 | } | |
5760 | ||
5761 | init = empty_to_null(init); | |
5762 | if (init) { | |
5763 | const char *root_systemd_path = NULL, *root_init_path = NULL; | |
5764 | ||
5765 | root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH); | |
5766 | root_init_path = strjoina(root, "/", init); | |
5767 | ||
5768 | /* If the passed init is actually the same as the | |
5769 | * systemd binary, then let's suppress it. */ | |
5770 | if (files_same(root_init_path, root_systemd_path, 0) > 0) | |
5771 | init = NULL; | |
5772 | } | |
5773 | ||
5774 | /* Instruct PID1 to exclude us from its killing spree applied during | |
5775 | * the transition. Otherwise we would exit with a failure status even | |
5776 | * though the switch to the new root has succeed. */ | |
5777 | argv_cmdline[0] = '@'; | |
5778 | ||
5779 | r = acquire_bus(BUS_MANAGER, &bus); | |
5780 | if (r < 0) | |
5781 | return r; | |
5782 | ||
5783 | /* If we are slow to exit after the root switch, the new systemd instance | |
5784 | * will send us a signal to terminate. Just ignore it and exit normally. | |
5785 | * This way the unit does not end up as failed. | |
5786 | */ | |
5787 | r = ignore_signals(SIGTERM, -1); | |
5788 | if (r < 0) | |
5789 | log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m"); | |
5790 | ||
5791 | log_debug("Switching root - root: %s; init: %s", root, strna(init)); | |
5792 | ||
5793 | r = sd_bus_call_method( | |
5794 | bus, | |
5795 | "org.freedesktop.systemd1", | |
5796 | "/org/freedesktop/systemd1", | |
5797 | "org.freedesktop.systemd1.Manager", | |
5798 | "SwitchRoot", | |
5799 | &error, | |
5800 | NULL, | |
5801 | "ss", root, init); | |
5802 | if (r < 0) { | |
5803 | (void) default_signals(SIGTERM, -1); | |
5804 | ||
5805 | return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r)); | |
5806 | } | |
5807 | ||
5808 | return 0; | |
5809 | } | |
5810 | ||
5811 | static int set_environment(int argc, char *argv[], void *userdata) { | |
5812 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5813 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5814 | const char *method; | |
5815 | sd_bus *bus; | |
5816 | int r; | |
5817 | ||
5818 | assert(argc > 1); | |
5819 | assert(argv); | |
5820 | ||
5821 | r = acquire_bus(BUS_MANAGER, &bus); | |
5822 | if (r < 0) | |
5823 | return r; | |
5824 | ||
5825 | polkit_agent_open_maybe(); | |
5826 | ||
5827 | method = streq(argv[0], "set-environment") | |
5828 | ? "SetEnvironment" | |
5829 | : "UnsetEnvironment"; | |
5830 | ||
5831 | r = sd_bus_message_new_method_call( | |
5832 | bus, | |
5833 | &m, | |
5834 | "org.freedesktop.systemd1", | |
5835 | "/org/freedesktop/systemd1", | |
5836 | "org.freedesktop.systemd1.Manager", | |
5837 | method); | |
5838 | if (r < 0) | |
5839 | return bus_log_create_error(r); | |
5840 | ||
5841 | r = sd_bus_message_append_strv(m, strv_skip(argv, 1)); | |
5842 | if (r < 0) | |
5843 | return bus_log_create_error(r); | |
5844 | ||
5845 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5846 | if (r < 0) | |
5847 | return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r)); | |
5848 | ||
5849 | return 0; | |
5850 | } | |
5851 | ||
5852 | static int import_environment(int argc, char *argv[], void *userdata) { | |
5853 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5854 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5855 | sd_bus *bus; | |
5856 | int r; | |
5857 | ||
5858 | r = acquire_bus(BUS_MANAGER, &bus); | |
5859 | if (r < 0) | |
5860 | return r; | |
5861 | ||
5862 | polkit_agent_open_maybe(); | |
5863 | ||
5864 | r = sd_bus_message_new_method_call( | |
5865 | bus, | |
5866 | &m, | |
5867 | "org.freedesktop.systemd1", | |
5868 | "/org/freedesktop/systemd1", | |
5869 | "org.freedesktop.systemd1.Manager", | |
5870 | "SetEnvironment"); | |
5871 | if (r < 0) | |
5872 | return bus_log_create_error(r); | |
5873 | ||
5874 | if (argc < 2) | |
5875 | r = sd_bus_message_append_strv(m, environ); | |
5876 | else { | |
5877 | char **a, **b; | |
5878 | ||
5879 | r = sd_bus_message_open_container(m, 'a', "s"); | |
5880 | if (r < 0) | |
5881 | return bus_log_create_error(r); | |
5882 | ||
5883 | STRV_FOREACH(a, strv_skip(argv, 1)) { | |
5884 | ||
5885 | if (!env_name_is_valid(*a)) { | |
5886 | log_error("Not a valid environment variable name: %s", *a); | |
5887 | return -EINVAL; | |
5888 | } | |
5889 | ||
5890 | STRV_FOREACH(b, environ) { | |
5891 | const char *eq; | |
5892 | ||
5893 | eq = startswith(*b, *a); | |
5894 | if (eq && *eq == '=') { | |
5895 | ||
5896 | r = sd_bus_message_append(m, "s", *b); | |
5897 | if (r < 0) | |
5898 | return bus_log_create_error(r); | |
5899 | ||
5900 | break; | |
5901 | } | |
5902 | } | |
5903 | } | |
5904 | ||
5905 | r = sd_bus_message_close_container(m); | |
5906 | } | |
5907 | if (r < 0) | |
5908 | return bus_log_create_error(r); | |
5909 | ||
5910 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5911 | if (r < 0) | |
5912 | return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r)); | |
5913 | ||
5914 | return 0; | |
5915 | } | |
5916 | ||
5917 | static int enable_sysv_units(const char *verb, char **args) { | |
5918 | int r = 0; | |
5919 | ||
5920 | #if HAVE_SYSV_COMPAT | |
5921 | _cleanup_lookup_paths_free_ LookupPaths paths = {}; | |
5922 | unsigned f = 0; | |
5923 | ||
5924 | /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */ | |
5925 | ||
5926 | if (arg_scope != UNIT_FILE_SYSTEM) | |
5927 | return 0; | |
5928 | ||
5929 | if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0) | |
5930 | return 0; | |
5931 | ||
5932 | if (!STR_IN_SET(verb, | |
5933 | "enable", | |
5934 | "disable", | |
5935 | "is-enabled")) | |
5936 | return 0; | |
5937 | ||
5938 | r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root); | |
5939 | if (r < 0) | |
5940 | return r; | |
5941 | ||
5942 | r = 0; | |
5943 | while (args[f]) { | |
5944 | ||
5945 | const char *argv[] = { | |
5946 | ROOTLIBEXECDIR "/systemd-sysv-install", | |
5947 | NULL, | |
5948 | NULL, | |
5949 | NULL, | |
5950 | NULL, | |
5951 | }; | |
5952 | ||
5953 | _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL; | |
5954 | bool found_native = false, found_sysv; | |
5955 | siginfo_t status; | |
5956 | const char *name; | |
5957 | unsigned c = 1; | |
5958 | pid_t pid; | |
5959 | int j; | |
5960 | ||
5961 | name = args[f++]; | |
5962 | ||
5963 | if (!endswith(name, ".service")) | |
5964 | continue; | |
5965 | ||
5966 | if (path_is_absolute(name)) | |
5967 | continue; | |
5968 | ||
5969 | j = unit_file_exists(arg_scope, &paths, name); | |
5970 | if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL)) | |
5971 | return log_error_errno(j, "Failed to lookup unit file state: %m"); | |
5972 | found_native = j != 0; | |
5973 | ||
5974 | /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled, | |
5975 | * prefer the native unit */ | |
5976 | if (found_native && streq(verb, "is-enabled")) | |
5977 | continue; | |
5978 | ||
5979 | p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name); | |
5980 | if (!p) | |
5981 | return log_oom(); | |
5982 | ||
5983 | p[strlen(p) - strlen(".service")] = 0; | |
5984 | found_sysv = access(p, F_OK) >= 0; | |
5985 | if (!found_sysv) | |
5986 | continue; | |
5987 | ||
5988 | if (!arg_quiet) { | |
5989 | if (found_native) | |
5990 | log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]); | |
5991 | else | |
5992 | log_info("%s is not a native service, redirecting to systemd-sysv-install.", name); | |
5993 | } | |
5994 | ||
5995 | if (!isempty(arg_root)) | |
5996 | argv[c++] = q = strappend("--root=", arg_root); | |
5997 | ||
5998 | argv[c++] = verb; | |
5999 | argv[c++] = basename(p); | |
6000 | argv[c] = NULL; | |
6001 | ||
6002 | l = strv_join((char**)argv, " "); | |
6003 | if (!l) | |
6004 | return log_oom(); | |
6005 | ||
6006 | if (!arg_quiet) | |
6007 | log_info("Executing: %s", l); | |
6008 | ||
6009 | pid = fork(); | |
6010 | if (pid < 0) | |
6011 | return log_error_errno(errno, "Failed to fork: %m"); | |
6012 | else if (pid == 0) { | |
6013 | /* Child */ | |
6014 | ||
6015 | (void) reset_all_signal_handlers(); | |
6016 | (void) reset_signal_mask(); | |
6017 | ||
6018 | execv(argv[0], (char**) argv); | |
6019 | log_error_errno(errno, "Failed to execute %s: %m", argv[0]); | |
6020 | _exit(EXIT_FAILURE); | |
6021 | } | |
6022 | ||
6023 | j = wait_for_terminate(pid, &status); | |
6024 | if (j < 0) | |
6025 | return log_error_errno(j, "Failed to wait for child: %m"); | |
6026 | ||
6027 | if (status.si_code == CLD_EXITED) { | |
6028 | if (streq(verb, "is-enabled")) { | |
6029 | if (status.si_status == 0) { | |
6030 | if (!arg_quiet) | |
6031 | puts("enabled"); | |
6032 | r = 1; | |
6033 | } else { | |
6034 | if (!arg_quiet) | |
6035 | puts("disabled"); | |
6036 | } | |
6037 | ||
6038 | } else if (status.si_status != 0) | |
6039 | return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */ | |
6040 | } else { | |
6041 | log_error("Unexpected waitid() result."); | |
6042 | return -EPROTO; | |
6043 | } | |
6044 | ||
6045 | if (found_native) | |
6046 | continue; | |
6047 | ||
6048 | /* Remove this entry, so that we don't try enabling it as native unit */ | |
6049 | assert(f > 0); | |
6050 | f--; | |
6051 | assert(args[f] == name); | |
6052 | strv_remove(args, name); | |
6053 | } | |
6054 | ||
6055 | #endif | |
6056 | return r; | |
6057 | } | |
6058 | ||
6059 | static int mangle_names(char **original_names, char ***mangled_names) { | |
6060 | char **i, **l, **name; | |
6061 | int r; | |
6062 | ||
6063 | l = i = new(char*, strv_length(original_names) + 1); | |
6064 | if (!l) | |
6065 | return log_oom(); | |
6066 | ||
6067 | STRV_FOREACH(name, original_names) { | |
6068 | ||
6069 | /* When enabling units qualified path names are OK, | |
6070 | * too, hence allow them explicitly. */ | |
6071 | ||
6072 | if (is_path(*name)) { | |
6073 | *i = strdup(*name); | |
6074 | if (!*i) { | |
6075 | strv_free(l); | |
6076 | return log_oom(); | |
6077 | } | |
6078 | } else { | |
6079 | r = unit_name_mangle(*name, UNIT_NAME_NOGLOB, i); | |
6080 | if (r < 0) { | |
6081 | *i = NULL; | |
6082 | strv_free(l); | |
6083 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
6084 | } | |
6085 | } | |
6086 | ||
6087 | i++; | |
6088 | } | |
6089 | ||
6090 | *i = NULL; | |
6091 | *mangled_names = l; | |
6092 | ||
6093 | return 0; | |
6094 | } | |
6095 | ||
6096 | static int normalize_filenames(char **names) { | |
6097 | char **u; | |
6098 | int r; | |
6099 | ||
6100 | STRV_FOREACH(u, names) | |
6101 | if (!path_is_absolute(*u)) { | |
6102 | char* normalized_path; | |
6103 | ||
6104 | if (!isempty(arg_root)) { | |
6105 | log_error("Non-absolute paths are not allowed when --root is used: %s", *u); | |
6106 | return -EINVAL; | |
6107 | } | |
6108 | ||
6109 | if (!strchr(*u,'/')) { | |
6110 | log_error("Link argument does contain at least one directory separator: %s", *u); | |
6111 | return -EINVAL; | |
6112 | } | |
6113 | ||
6114 | r = path_make_absolute_cwd(*u, &normalized_path); | |
6115 | if (r < 0) | |
6116 | return r; | |
6117 | ||
6118 | free_and_replace(*u, normalized_path); | |
6119 | } | |
6120 | ||
6121 | return 0; | |
6122 | } | |
6123 | ||
6124 | static int normalize_names(char **names, bool warn_if_path) { | |
6125 | char **u; | |
6126 | bool was_path = false; | |
6127 | ||
6128 | STRV_FOREACH(u, names) { | |
6129 | int r; | |
6130 | ||
6131 | if (!is_path(*u)) | |
6132 | continue; | |
6133 | ||
6134 | r = free_and_strdup(u, basename(*u)); | |
6135 | if (r < 0) | |
6136 | return log_error_errno(r, "Failed to normalize unit file path: %m"); | |
6137 | ||
6138 | was_path = true; | |
6139 | } | |
6140 | ||
6141 | if (warn_if_path && was_path) | |
6142 | log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name."); | |
6143 | ||
6144 | return 0; | |
6145 | } | |
6146 | ||
6147 | static int unit_exists(LookupPaths *lp, const char *unit) { | |
6148 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6149 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6150 | _cleanup_free_ char *path = NULL; | |
6151 | static const struct bus_properties_map property_map[] = { | |
6152 | { "LoadState", "s", map_string_no_copy, offsetof(UnitStatusInfo, load_state) }, | |
6153 | { "ActiveState", "s", map_string_no_copy, offsetof(UnitStatusInfo, active_state)}, | |
6154 | {}, | |
6155 | }; | |
6156 | UnitStatusInfo info = {}; | |
6157 | sd_bus *bus; | |
6158 | int r; | |
6159 | ||
6160 | if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE)) | |
6161 | return unit_find_template_path(unit, lp, NULL, NULL); | |
6162 | ||
6163 | path = unit_dbus_path_from_name(unit); | |
6164 | if (!path) | |
6165 | return log_oom(); | |
6166 | ||
6167 | r = acquire_bus(BUS_MANAGER, &bus); | |
6168 | if (r < 0) | |
6169 | return r; | |
6170 | ||
6171 | r = sd_bus_call_method( | |
6172 | bus, | |
6173 | "org.freedesktop.systemd1", | |
6174 | path, | |
6175 | "org.freedesktop.DBus.Properties", | |
6176 | "GetAll", | |
6177 | &error, | |
6178 | &reply, | |
6179 | "s", ""); | |
6180 | if (r < 0) | |
6181 | return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); | |
6182 | ||
6183 | r = bus_message_map_all_properties(reply, property_map, &error, &info); | |
6184 | if (r < 0) | |
6185 | return log_error_errno(r, "Failed to map properties: %s", bus_error_message(&error, r)); | |
6186 | ||
6187 | return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive"); | |
6188 | } | |
6189 | ||
6190 | static int enable_unit(int argc, char *argv[], void *userdata) { | |
6191 | _cleanup_strv_free_ char **names = NULL; | |
6192 | const char *verb = argv[0]; | |
6193 | UnitFileChange *changes = NULL; | |
6194 | unsigned n_changes = 0; | |
6195 | int carries_install_info = -1; | |
6196 | bool ignore_carries_install_info = arg_quiet; | |
6197 | int r; | |
6198 | ||
6199 | if (!argv[1]) | |
6200 | return 0; | |
6201 | ||
6202 | r = mangle_names(strv_skip(argv, 1), &names); | |
6203 | if (r < 0) | |
6204 | return r; | |
6205 | ||
6206 | r = enable_sysv_units(verb, names); | |
6207 | if (r < 0) | |
6208 | return r; | |
6209 | ||
6210 | /* If the operation was fully executed by the SysV compat, let's finish early */ | |
6211 | if (strv_isempty(names)) { | |
6212 | if (arg_no_reload || install_client_side()) | |
6213 | return 0; | |
6214 | return daemon_reload(argc, argv, userdata); | |
6215 | } | |
6216 | ||
6217 | if (streq(verb, "disable")) { | |
6218 | r = normalize_names(names, true); | |
6219 | if (r < 0) | |
6220 | return r; | |
6221 | } | |
6222 | ||
6223 | if (streq(verb, "link")) { | |
6224 | r = normalize_filenames(names); | |
6225 | if (r < 0) | |
6226 | return r; | |
6227 | } | |
6228 | ||
6229 | if (install_client_side()) { | |
6230 | UnitFileFlags flags; | |
6231 | ||
6232 | flags = args_to_flags(); | |
6233 | if (streq(verb, "enable")) { | |
6234 | r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6235 | carries_install_info = r; | |
6236 | } else if (streq(verb, "disable")) | |
6237 | r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6238 | else if (streq(verb, "reenable")) { | |
6239 | r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6240 | carries_install_info = r; | |
6241 | } else if (streq(verb, "link")) | |
6242 | r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6243 | else if (streq(verb, "preset")) { | |
6244 | r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes); | |
6245 | } else if (streq(verb, "mask")) | |
6246 | r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6247 | else if (streq(verb, "unmask")) | |
6248 | r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6249 | else if (streq(verb, "revert")) | |
6250 | r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes); | |
6251 | else | |
6252 | assert_not_reached("Unknown verb"); | |
6253 | ||
6254 | unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet); | |
6255 | if (r < 0) | |
6256 | goto finish; | |
6257 | r = 0; | |
6258 | } else { | |
6259 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; | |
6260 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6261 | bool expect_carries_install_info = false; | |
6262 | bool send_runtime = true, send_force = true, send_preset_mode = false; | |
6263 | const char *method; | |
6264 | sd_bus *bus; | |
6265 | ||
6266 | if (STR_IN_SET(verb, "mask", "unmask")) { | |
6267 | char **name; | |
6268 | _cleanup_lookup_paths_free_ LookupPaths lp = {}; | |
6269 | ||
6270 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
6271 | if (r < 0) | |
6272 | return r; | |
6273 | ||
6274 | STRV_FOREACH(name, names) { | |
6275 | r = unit_exists(&lp, *name); | |
6276 | if (r < 0) | |
6277 | return r; | |
6278 | if (r == 0) | |
6279 | log_notice("Unit %s does not exist, proceeding anyway.", *names); | |
6280 | } | |
6281 | } | |
6282 | ||
6283 | r = acquire_bus(BUS_MANAGER, &bus); | |
6284 | if (r < 0) | |
6285 | return r; | |
6286 | ||
6287 | polkit_agent_open_maybe(); | |
6288 | ||
6289 | if (streq(verb, "enable")) { | |
6290 | method = "EnableUnitFiles"; | |
6291 | expect_carries_install_info = true; | |
6292 | } else if (streq(verb, "disable")) { | |
6293 | method = "DisableUnitFiles"; | |
6294 | send_force = false; | |
6295 | } else if (streq(verb, "reenable")) { | |
6296 | method = "ReenableUnitFiles"; | |
6297 | expect_carries_install_info = true; | |
6298 | } else if (streq(verb, "link")) | |
6299 | method = "LinkUnitFiles"; | |
6300 | else if (streq(verb, "preset")) { | |
6301 | ||
6302 | if (arg_preset_mode != UNIT_FILE_PRESET_FULL) { | |
6303 | method = "PresetUnitFilesWithMode"; | |
6304 | send_preset_mode = true; | |
6305 | } else | |
6306 | method = "PresetUnitFiles"; | |
6307 | ||
6308 | expect_carries_install_info = true; | |
6309 | ignore_carries_install_info = true; | |
6310 | } else if (streq(verb, "mask")) | |
6311 | method = "MaskUnitFiles"; | |
6312 | else if (streq(verb, "unmask")) { | |
6313 | method = "UnmaskUnitFiles"; | |
6314 | send_force = false; | |
6315 | } else if (streq(verb, "revert")) { | |
6316 | method = "RevertUnitFiles"; | |
6317 | send_runtime = send_force = false; | |
6318 | } else | |
6319 | assert_not_reached("Unknown verb"); | |
6320 | ||
6321 | r = sd_bus_message_new_method_call( | |
6322 | bus, | |
6323 | &m, | |
6324 | "org.freedesktop.systemd1", | |
6325 | "/org/freedesktop/systemd1", | |
6326 | "org.freedesktop.systemd1.Manager", | |
6327 | method); | |
6328 | if (r < 0) | |
6329 | return bus_log_create_error(r); | |
6330 | ||
6331 | r = sd_bus_message_append_strv(m, names); | |
6332 | if (r < 0) | |
6333 | return bus_log_create_error(r); | |
6334 | ||
6335 | if (send_preset_mode) { | |
6336 | r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode)); | |
6337 | if (r < 0) | |
6338 | return bus_log_create_error(r); | |
6339 | } | |
6340 | ||
6341 | if (send_runtime) { | |
6342 | r = sd_bus_message_append(m, "b", arg_runtime); | |
6343 | if (r < 0) | |
6344 | return bus_log_create_error(r); | |
6345 | } | |
6346 | ||
6347 | if (send_force) { | |
6348 | r = sd_bus_message_append(m, "b", arg_force); | |
6349 | if (r < 0) | |
6350 | return bus_log_create_error(r); | |
6351 | } | |
6352 | ||
6353 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
6354 | if (r < 0) | |
6355 | return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r)); | |
6356 | ||
6357 | if (expect_carries_install_info) { | |
6358 | r = sd_bus_message_read(reply, "b", &carries_install_info); | |
6359 | if (r < 0) | |
6360 | return bus_log_parse_error(r); | |
6361 | } | |
6362 | ||
6363 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6364 | if (r < 0) | |
6365 | goto finish; | |
6366 | ||
6367 | /* Try to reload if enabled */ | |
6368 | if (!arg_no_reload) | |
6369 | r = daemon_reload(argc, argv, userdata); | |
6370 | else | |
6371 | r = 0; | |
6372 | } | |
6373 | ||
6374 | if (carries_install_info == 0 && !ignore_carries_install_info) | |
6375 | log_warning("The unit files have no installation config (WantedBy, RequiredBy, Also, Alias\n" | |
6376 | "settings in the [Install] section, and DefaultInstance for template units).\n" | |
6377 | "This means they are not meant to be enabled using systemctl.\n" | |
6378 | "Possible reasons for having this kind of units are:\n" | |
6379 | "1) A unit may be statically enabled by being symlinked from another unit's\n" | |
6380 | " .wants/ or .requires/ directory.\n" | |
6381 | "2) A unit's purpose may be to act as a helper for some other unit which has\n" | |
6382 | " a requirement dependency on it.\n" | |
6383 | "3) A unit may be started when needed via activation (socket, path, timer,\n" | |
6384 | " D-Bus, udev, scripted systemctl call, ...).\n" | |
6385 | "4) In case of template units, the unit is meant to be enabled with some\n" | |
6386 | " instance name specified."); | |
6387 | ||
6388 | if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) { | |
6389 | sd_bus *bus; | |
6390 | unsigned len, i; | |
6391 | ||
6392 | r = acquire_bus(BUS_MANAGER, &bus); | |
6393 | if (r < 0) | |
6394 | goto finish; | |
6395 | ||
6396 | len = strv_length(names); | |
6397 | { | |
6398 | char *new_args[len + 2]; | |
6399 | ||
6400 | new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop"); | |
6401 | for (i = 0; i < len; i++) | |
6402 | new_args[i + 1] = basename(names[i]); | |
6403 | new_args[i + 1] = NULL; | |
6404 | ||
6405 | r = start_unit(len + 1, new_args, userdata); | |
6406 | } | |
6407 | } | |
6408 | ||
6409 | finish: | |
6410 | unit_file_changes_free(changes, n_changes); | |
6411 | ||
6412 | return r; | |
6413 | } | |
6414 | ||
6415 | static int add_dependency(int argc, char *argv[], void *userdata) { | |
6416 | _cleanup_strv_free_ char **names = NULL; | |
6417 | _cleanup_free_ char *target = NULL; | |
6418 | const char *verb = argv[0]; | |
6419 | UnitFileChange *changes = NULL; | |
6420 | unsigned n_changes = 0; | |
6421 | UnitDependency dep; | |
6422 | int r = 0; | |
6423 | ||
6424 | if (!argv[1]) | |
6425 | return 0; | |
6426 | ||
6427 | r = unit_name_mangle_with_suffix(argv[1], UNIT_NAME_NOGLOB, ".target", &target); | |
6428 | if (r < 0) | |
6429 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
6430 | ||
6431 | r = mangle_names(strv_skip(argv, 2), &names); | |
6432 | if (r < 0) | |
6433 | return r; | |
6434 | ||
6435 | if (streq(verb, "add-wants")) | |
6436 | dep = UNIT_WANTS; | |
6437 | else if (streq(verb, "add-requires")) | |
6438 | dep = UNIT_REQUIRES; | |
6439 | else | |
6440 | assert_not_reached("Unknown verb"); | |
6441 | ||
6442 | if (install_client_side()) { | |
6443 | r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes); | |
6444 | unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet); | |
6445 | ||
6446 | if (r > 0) | |
6447 | r = 0; | |
6448 | } else { | |
6449 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; | |
6450 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6451 | sd_bus *bus; | |
6452 | ||
6453 | r = acquire_bus(BUS_MANAGER, &bus); | |
6454 | if (r < 0) | |
6455 | return r; | |
6456 | ||
6457 | polkit_agent_open_maybe(); | |
6458 | ||
6459 | r = sd_bus_message_new_method_call( | |
6460 | bus, | |
6461 | &m, | |
6462 | "org.freedesktop.systemd1", | |
6463 | "/org/freedesktop/systemd1", | |
6464 | "org.freedesktop.systemd1.Manager", | |
6465 | "AddDependencyUnitFiles"); | |
6466 | if (r < 0) | |
6467 | return bus_log_create_error(r); | |
6468 | ||
6469 | r = sd_bus_message_append_strv(m, names); | |
6470 | if (r < 0) | |
6471 | return bus_log_create_error(r); | |
6472 | ||
6473 | r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force); | |
6474 | if (r < 0) | |
6475 | return bus_log_create_error(r); | |
6476 | ||
6477 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
6478 | if (r < 0) | |
6479 | return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r)); | |
6480 | ||
6481 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6482 | if (r < 0) | |
6483 | goto finish; | |
6484 | ||
6485 | if (arg_no_reload) { | |
6486 | r = 0; | |
6487 | goto finish; | |
6488 | } | |
6489 | ||
6490 | r = daemon_reload(argc, argv, userdata); | |
6491 | } | |
6492 | ||
6493 | finish: | |
6494 | unit_file_changes_free(changes, n_changes); | |
6495 | ||
6496 | return r; | |
6497 | } | |
6498 | ||
6499 | static int preset_all(int argc, char *argv[], void *userdata) { | |
6500 | UnitFileChange *changes = NULL; | |
6501 | unsigned n_changes = 0; | |
6502 | int r; | |
6503 | ||
6504 | if (install_client_side()) { | |
6505 | r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes); | |
6506 | unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet); | |
6507 | ||
6508 | if (r > 0) | |
6509 | r = 0; | |
6510 | } else { | |
6511 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6512 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6513 | sd_bus *bus; | |
6514 | ||
6515 | r = acquire_bus(BUS_MANAGER, &bus); | |
6516 | if (r < 0) | |
6517 | return r; | |
6518 | ||
6519 | polkit_agent_open_maybe(); | |
6520 | ||
6521 | r = sd_bus_call_method( | |
6522 | bus, | |
6523 | "org.freedesktop.systemd1", | |
6524 | "/org/freedesktop/systemd1", | |
6525 | "org.freedesktop.systemd1.Manager", | |
6526 | "PresetAllUnitFiles", | |
6527 | &error, | |
6528 | &reply, | |
6529 | "sbb", | |
6530 | unit_file_preset_mode_to_string(arg_preset_mode), | |
6531 | arg_runtime, | |
6532 | arg_force); | |
6533 | if (r < 0) | |
6534 | return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r)); | |
6535 | ||
6536 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6537 | if (r < 0) | |
6538 | goto finish; | |
6539 | ||
6540 | if (arg_no_reload) { | |
6541 | r = 0; | |
6542 | goto finish; | |
6543 | } | |
6544 | ||
6545 | r = daemon_reload(argc, argv, userdata); | |
6546 | } | |
6547 | ||
6548 | finish: | |
6549 | unit_file_changes_free(changes, n_changes); | |
6550 | ||
6551 | return r; | |
6552 | } | |
6553 | ||
6554 | static int show_installation_targets_client_side(const char *name) { | |
6555 | UnitFileChange *changes = NULL; | |
6556 | unsigned n_changes = 0, i; | |
6557 | UnitFileFlags flags; | |
6558 | char **p; | |
6559 | int r; | |
6560 | ||
6561 | p = STRV_MAKE(name); | |
6562 | flags = UNIT_FILE_DRY_RUN | | |
6563 | (arg_runtime ? UNIT_FILE_RUNTIME : 0); | |
6564 | ||
6565 | r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes); | |
6566 | if (r < 0) | |
6567 | return log_error_errno(r, "Failed to get file links for %s: %m", name); | |
6568 | ||
6569 | for (i = 0; i < n_changes; i++) | |
6570 | if (changes[i].type == UNIT_FILE_UNLINK) | |
6571 | printf(" %s\n", changes[i].path); | |
6572 | ||
6573 | return 0; | |
6574 | } | |
6575 | ||
6576 | static int show_installation_targets(sd_bus *bus, const char *name) { | |
6577 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6578 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6579 | const char *link; | |
6580 | int r; | |
6581 | ||
6582 | r = sd_bus_call_method( | |
6583 | bus, | |
6584 | "org.freedesktop.systemd1", | |
6585 | "/org/freedesktop/systemd1", | |
6586 | "org.freedesktop.systemd1.Manager", | |
6587 | "GetUnitFileLinks", | |
6588 | &error, | |
6589 | &reply, | |
6590 | "sb", name, arg_runtime); | |
6591 | if (r < 0) | |
6592 | return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r)); | |
6593 | ||
6594 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s"); | |
6595 | if (r < 0) | |
6596 | return bus_log_parse_error(r); | |
6597 | ||
6598 | while ((r = sd_bus_message_read(reply, "s", &link)) > 0) | |
6599 | printf(" %s\n", link); | |
6600 | ||
6601 | if (r < 0) | |
6602 | return bus_log_parse_error(r); | |
6603 | ||
6604 | r = sd_bus_message_exit_container(reply); | |
6605 | if (r < 0) | |
6606 | return bus_log_parse_error(r); | |
6607 | ||
6608 | return 0; | |
6609 | } | |
6610 | ||
6611 | static int unit_is_enabled(int argc, char *argv[], void *userdata) { | |
6612 | ||
6613 | _cleanup_strv_free_ char **names = NULL; | |
6614 | bool enabled; | |
6615 | char **name; | |
6616 | int r; | |
6617 | ||
6618 | r = mangle_names(strv_skip(argv, 1), &names); | |
6619 | if (r < 0) | |
6620 | return r; | |
6621 | ||
6622 | r = enable_sysv_units(argv[0], names); | |
6623 | if (r < 0) | |
6624 | return r; | |
6625 | ||
6626 | enabled = r > 0; | |
6627 | ||
6628 | if (install_client_side()) { | |
6629 | STRV_FOREACH(name, names) { | |
6630 | UnitFileState state; | |
6631 | ||
6632 | r = unit_file_get_state(arg_scope, arg_root, *name, &state); | |
6633 | if (r < 0) | |
6634 | return log_error_errno(r, "Failed to get unit file state for %s: %m", *name); | |
6635 | ||
6636 | if (IN_SET(state, | |
6637 | UNIT_FILE_ENABLED, | |
6638 | UNIT_FILE_ENABLED_RUNTIME, | |
6639 | UNIT_FILE_STATIC, | |
6640 | UNIT_FILE_INDIRECT, | |
6641 | UNIT_FILE_GENERATED)) | |
6642 | enabled = true; | |
6643 | ||
6644 | if (!arg_quiet) { | |
6645 | puts(unit_file_state_to_string(state)); | |
6646 | if (arg_full) { | |
6647 | r = show_installation_targets_client_side(*name); | |
6648 | if (r < 0) | |
6649 | return r; | |
6650 | } | |
6651 | } | |
6652 | } | |
6653 | ||
6654 | r = 0; | |
6655 | } else { | |
6656 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6657 | sd_bus *bus; | |
6658 | ||
6659 | r = acquire_bus(BUS_MANAGER, &bus); | |
6660 | if (r < 0) | |
6661 | return r; | |
6662 | ||
6663 | STRV_FOREACH(name, names) { | |
6664 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6665 | const char *s; | |
6666 | ||
6667 | r = sd_bus_call_method( | |
6668 | bus, | |
6669 | "org.freedesktop.systemd1", | |
6670 | "/org/freedesktop/systemd1", | |
6671 | "org.freedesktop.systemd1.Manager", | |
6672 | "GetUnitFileState", | |
6673 | &error, | |
6674 | &reply, | |
6675 | "s", *name); | |
6676 | if (r < 0) | |
6677 | return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r)); | |
6678 | ||
6679 | r = sd_bus_message_read(reply, "s", &s); | |
6680 | if (r < 0) | |
6681 | return bus_log_parse_error(r); | |
6682 | ||
6683 | if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated")) | |
6684 | enabled = true; | |
6685 | ||
6686 | if (!arg_quiet) { | |
6687 | puts(s); | |
6688 | if (arg_full) { | |
6689 | r = show_installation_targets(bus, *name); | |
6690 | if (r < 0) | |
6691 | return r; | |
6692 | } | |
6693 | } | |
6694 | } | |
6695 | } | |
6696 | ||
6697 | return enabled ? EXIT_SUCCESS : EXIT_FAILURE; | |
6698 | } | |
6699 | ||
6700 | static int is_system_running(int argc, char *argv[], void *userdata) { | |
6701 | _cleanup_free_ char *state = NULL; | |
6702 | sd_bus *bus; | |
6703 | int r; | |
6704 | ||
6705 | if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) { | |
6706 | if (!arg_quiet) | |
6707 | puts("offline"); | |
6708 | return EXIT_FAILURE; | |
6709 | } | |
6710 | ||
6711 | r = acquire_bus(BUS_MANAGER, &bus); | |
6712 | if (r < 0) | |
6713 | return r; | |
6714 | ||
6715 | r = sd_bus_get_property_string( | |
6716 | bus, | |
6717 | "org.freedesktop.systemd1", | |
6718 | "/org/freedesktop/systemd1", | |
6719 | "org.freedesktop.systemd1.Manager", | |
6720 | "SystemState", | |
6721 | NULL, | |
6722 | &state); | |
6723 | if (r < 0) { | |
6724 | if (!arg_quiet) | |
6725 | puts("unknown"); | |
6726 | return 0; | |
6727 | } | |
6728 | ||
6729 | if (!arg_quiet) | |
6730 | puts(state); | |
6731 | ||
6732 | return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE; | |
6733 | } | |
6734 | ||
6735 | static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) { | |
6736 | _cleanup_free_ char *t = NULL; | |
6737 | int r; | |
6738 | ||
6739 | assert(new_path); | |
6740 | assert(original_path); | |
6741 | assert(ret_tmp_fn); | |
6742 | ||
6743 | r = tempfn_random(new_path, NULL, &t); | |
6744 | if (r < 0) | |
6745 | return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path); | |
6746 | ||
6747 | r = mkdir_parents(new_path, 0755); | |
6748 | if (r < 0) | |
6749 | return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path); | |
6750 | ||
6751 | r = copy_file(original_path, t, 0, 0644, 0, COPY_REFLINK); | |
6752 | if (r == -ENOENT) { | |
6753 | ||
6754 | r = touch(t); | |
6755 | if (r < 0) | |
6756 | return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t); | |
6757 | ||
6758 | } else if (r < 0) | |
6759 | return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path); | |
6760 | ||
6761 | *ret_tmp_fn = t; | |
6762 | t = NULL; | |
6763 | ||
6764 | return 0; | |
6765 | } | |
6766 | ||
6767 | static int get_file_to_edit( | |
6768 | const LookupPaths *paths, | |
6769 | const char *name, | |
6770 | char **ret_path) { | |
6771 | ||
6772 | _cleanup_free_ char *path = NULL, *run = NULL; | |
6773 | ||
6774 | assert(name); | |
6775 | assert(ret_path); | |
6776 | ||
6777 | path = strjoin(paths->persistent_config, "/", name); | |
6778 | if (!path) | |
6779 | return log_oom(); | |
6780 | ||
6781 | if (arg_runtime) { | |
6782 | run = strjoin(paths->runtime_config, "/", name); | |
6783 | if (!run) | |
6784 | return log_oom(); | |
6785 | } | |
6786 | ||
6787 | if (arg_runtime) { | |
6788 | if (access(path, F_OK) >= 0) { | |
6789 | log_error("Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", run, path); | |
6790 | return -EEXIST; | |
6791 | } | |
6792 | ||
6793 | *ret_path = run; | |
6794 | run = NULL; | |
6795 | } else { | |
6796 | *ret_path = path; | |
6797 | path = NULL; | |
6798 | } | |
6799 | ||
6800 | return 0; | |
6801 | } | |
6802 | ||
6803 | static int unit_file_create_new( | |
6804 | const LookupPaths *paths, | |
6805 | const char *unit_name, | |
6806 | const char *suffix, | |
6807 | char **ret_new_path, | |
6808 | char **ret_tmp_path) { | |
6809 | ||
6810 | char *tmp_new_path, *tmp_tmp_path, *ending; | |
6811 | int r; | |
6812 | ||
6813 | assert(unit_name); | |
6814 | assert(ret_new_path); | |
6815 | assert(ret_tmp_path); | |
6816 | ||
6817 | ending = strjoina(unit_name, suffix); | |
6818 | r = get_file_to_edit(paths, ending, &tmp_new_path); | |
6819 | if (r < 0) | |
6820 | return r; | |
6821 | ||
6822 | r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path); | |
6823 | if (r < 0) { | |
6824 | free(tmp_new_path); | |
6825 | return r; | |
6826 | } | |
6827 | ||
6828 | *ret_new_path = tmp_new_path; | |
6829 | *ret_tmp_path = tmp_tmp_path; | |
6830 | ||
6831 | return 0; | |
6832 | } | |
6833 | ||
6834 | static int unit_file_create_copy( | |
6835 | const LookupPaths *paths, | |
6836 | const char *unit_name, | |
6837 | const char *fragment_path, | |
6838 | char **ret_new_path, | |
6839 | char **ret_tmp_path) { | |
6840 | ||
6841 | char *tmp_new_path, *tmp_tmp_path; | |
6842 | int r; | |
6843 | ||
6844 | assert(fragment_path); | |
6845 | assert(unit_name); | |
6846 | assert(ret_new_path); | |
6847 | assert(ret_tmp_path); | |
6848 | ||
6849 | r = get_file_to_edit(paths, unit_name, &tmp_new_path); | |
6850 | if (r < 0) | |
6851 | return r; | |
6852 | ||
6853 | if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) { | |
6854 | char response; | |
6855 | ||
6856 | r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path); | |
6857 | if (r < 0) { | |
6858 | free(tmp_new_path); | |
6859 | return r; | |
6860 | } | |
6861 | if (response != 'y') { | |
6862 | log_warning("%s ignored", unit_name); | |
6863 | free(tmp_new_path); | |
6864 | return -EKEYREJECTED; | |
6865 | } | |
6866 | } | |
6867 | ||
6868 | r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path); | |
6869 | if (r < 0) { | |
6870 | free(tmp_new_path); | |
6871 | return r; | |
6872 | } | |
6873 | ||
6874 | *ret_new_path = tmp_new_path; | |
6875 | *ret_tmp_path = tmp_tmp_path; | |
6876 | ||
6877 | return 0; | |
6878 | } | |
6879 | ||
6880 | static int run_editor(char **paths) { | |
6881 | pid_t pid; | |
6882 | int r; | |
6883 | ||
6884 | assert(paths); | |
6885 | ||
6886 | pid = fork(); | |
6887 | if (pid < 0) | |
6888 | return log_error_errno(errno, "Failed to fork: %m"); | |
6889 | ||
6890 | if (pid == 0) { | |
6891 | const char **args; | |
6892 | char *editor, **editor_args = NULL; | |
6893 | char **tmp_path, **original_path, *p; | |
6894 | unsigned n_editor_args = 0, i = 1; | |
6895 | size_t argc; | |
6896 | ||
6897 | (void) reset_all_signal_handlers(); | |
6898 | (void) reset_signal_mask(); | |
6899 | ||
6900 | argc = strv_length(paths)/2 + 1; | |
6901 | ||
6902 | /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL | |
6903 | * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present, | |
6904 | * we try to execute well known editors | |
6905 | */ | |
6906 | editor = getenv("SYSTEMD_EDITOR"); | |
6907 | if (!editor) | |
6908 | editor = getenv("EDITOR"); | |
6909 | if (!editor) | |
6910 | editor = getenv("VISUAL"); | |
6911 | ||
6912 | if (!isempty(editor)) { | |
6913 | editor_args = strv_split(editor, WHITESPACE); | |
6914 | if (!editor_args) { | |
6915 | (void) log_oom(); | |
6916 | _exit(EXIT_FAILURE); | |
6917 | } | |
6918 | n_editor_args = strv_length(editor_args); | |
6919 | argc += n_editor_args - 1; | |
6920 | } | |
6921 | args = newa(const char*, argc + 1); | |
6922 | ||
6923 | if (n_editor_args > 0) { | |
6924 | args[0] = editor_args[0]; | |
6925 | for (; i < n_editor_args; i++) | |
6926 | args[i] = editor_args[i]; | |
6927 | } | |
6928 | ||
6929 | STRV_FOREACH_PAIR(original_path, tmp_path, paths) { | |
6930 | args[i] = *tmp_path; | |
6931 | i++; | |
6932 | } | |
6933 | args[i] = NULL; | |
6934 | ||
6935 | if (n_editor_args > 0) | |
6936 | execvp(args[0], (char* const*) args); | |
6937 | ||
6938 | FOREACH_STRING(p, "editor", "nano", "vim", "vi") { | |
6939 | args[0] = p; | |
6940 | execvp(p, (char* const*) args); | |
6941 | /* We do not fail if the editor doesn't exist | |
6942 | * because we want to try each one of them before | |
6943 | * failing. | |
6944 | */ | |
6945 | if (errno != ENOENT) { | |
6946 | log_error_errno(errno, "Failed to execute %s: %m", editor); | |
6947 | _exit(EXIT_FAILURE); | |
6948 | } | |
6949 | } | |
6950 | ||
6951 | log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL."); | |
6952 | _exit(EXIT_FAILURE); | |
6953 | } | |
6954 | ||
6955 | r = wait_for_terminate_and_warn("editor", pid, true); | |
6956 | if (r < 0) | |
6957 | return log_error_errno(r, "Failed to wait for child: %m"); | |
6958 | ||
6959 | return 0; | |
6960 | } | |
6961 | ||
6962 | static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) { | |
6963 | _cleanup_lookup_paths_free_ LookupPaths lp = {}; | |
6964 | char **name; | |
6965 | int r; | |
6966 | ||
6967 | assert(names); | |
6968 | assert(paths); | |
6969 | ||
6970 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
6971 | if (r < 0) | |
6972 | return r; | |
6973 | ||
6974 | STRV_FOREACH(name, names) { | |
6975 | _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL; | |
6976 | const char *unit_name; | |
6977 | ||
6978 | r = unit_find_paths(bus, *name, &lp, &path, NULL); | |
6979 | if (r < 0) | |
6980 | return r; | |
6981 | ||
6982 | if (r == 0) { | |
6983 | assert(!path); | |
6984 | ||
6985 | if (!arg_force) { | |
6986 | log_error("Run 'systemctl edit%s --force %s' to create a new unit.", | |
6987 | arg_scope == UNIT_FILE_GLOBAL ? " --global" : | |
6988 | arg_scope == UNIT_FILE_USER ? " --user" : "", | |
6989 | *name); | |
6990 | return -ENOENT; | |
6991 | } | |
6992 | ||
6993 | /* Create a new unit from scratch */ | |
6994 | unit_name = *name; | |
6995 | r = unit_file_create_new(&lp, unit_name, | |
6996 | arg_full ? NULL : ".d/override.conf", | |
6997 | &new_path, &tmp_path); | |
6998 | } else { | |
6999 | assert(path); | |
7000 | ||
7001 | unit_name = basename(path); | |
7002 | /* We follow unit aliases, but we need to propagate the instance */ | |
7003 | if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) && | |
7004 | unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) { | |
7005 | _cleanup_free_ char *instance = NULL; | |
7006 | ||
7007 | r = unit_name_to_instance(*name, &instance); | |
7008 | if (r < 0) | |
7009 | return r; | |
7010 | ||
7011 | r = unit_name_replace_instance(unit_name, instance, &tmp_name); | |
7012 | if (r < 0) | |
7013 | return r; | |
7014 | ||
7015 | unit_name = tmp_name; | |
7016 | } | |
7017 | ||
7018 | if (arg_full) | |
7019 | r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path); | |
7020 | else | |
7021 | r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path); | |
7022 | } | |
7023 | if (r < 0) | |
7024 | return r; | |
7025 | ||
7026 | r = strv_push_pair(paths, new_path, tmp_path); | |
7027 | if (r < 0) | |
7028 | return log_oom(); | |
7029 | new_path = tmp_path = NULL; | |
7030 | } | |
7031 | ||
7032 | return 0; | |
7033 | } | |
7034 | ||
7035 | static int edit(int argc, char *argv[], void *userdata) { | |
7036 | _cleanup_strv_free_ char **names = NULL; | |
7037 | _cleanup_strv_free_ char **paths = NULL; | |
7038 | char **original, **tmp; | |
7039 | sd_bus *bus; | |
7040 | int r; | |
7041 | ||
7042 | if (!on_tty()) { | |
7043 | log_error("Cannot edit units if not on a tty."); | |
7044 | return -EINVAL; | |
7045 | } | |
7046 | ||
7047 | if (arg_transport != BUS_TRANSPORT_LOCAL) { | |
7048 | log_error("Cannot edit units remotely."); | |
7049 | return -EINVAL; | |
7050 | } | |
7051 | ||
7052 | r = acquire_bus(BUS_MANAGER, &bus); | |
7053 | if (r < 0) | |
7054 | return r; | |
7055 | ||
7056 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
7057 | if (r < 0) | |
7058 | return log_error_errno(r, "Failed to expand names: %m"); | |
7059 | ||
7060 | r = find_paths_to_edit(bus, names, &paths); | |
7061 | if (r < 0) | |
7062 | return r; | |
7063 | ||
7064 | if (strv_isempty(paths)) | |
7065 | return -ENOENT; | |
7066 | ||
7067 | r = run_editor(paths); | |
7068 | if (r < 0) | |
7069 | goto end; | |
7070 | ||
7071 | STRV_FOREACH_PAIR(original, tmp, paths) { | |
7072 | /* If the temporary file is empty we ignore it. It's | |
7073 | * useful if the user wants to cancel its modification | |
7074 | */ | |
7075 | if (null_or_empty_path(*tmp)) { | |
7076 | log_warning("Editing \"%s\" canceled: temporary file is empty.", *original); | |
7077 | continue; | |
7078 | } | |
7079 | ||
7080 | r = rename(*tmp, *original); | |
7081 | if (r < 0) { | |
7082 | r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original); | |
7083 | goto end; | |
7084 | } | |
7085 | } | |
7086 | ||
7087 | r = 0; | |
7088 | ||
7089 | if (!arg_no_reload && !install_client_side()) | |
7090 | r = daemon_reload(argc, argv, userdata); | |
7091 | ||
7092 | end: | |
7093 | STRV_FOREACH_PAIR(original, tmp, paths) { | |
7094 | (void) unlink(*tmp); | |
7095 | ||
7096 | /* Removing empty dropin dirs */ | |
7097 | if (!arg_full) { | |
7098 | _cleanup_free_ char *dir; | |
7099 | ||
7100 | dir = dirname_malloc(*original); | |
7101 | if (!dir) | |
7102 | return log_oom(); | |
7103 | ||
7104 | /* no need to check if the dir is empty, rmdir | |
7105 | * does nothing if it is not the case. | |
7106 | */ | |
7107 | (void) rmdir(dir); | |
7108 | } | |
7109 | } | |
7110 | ||
7111 | return r; | |
7112 | } | |
7113 | ||
7114 | static void systemctl_help(void) { | |
7115 | ||
7116 | pager_open(arg_no_pager, false); | |
7117 | ||
7118 | printf("%s [OPTIONS...] {COMMAND} ...\n\n" | |
7119 | "Query or send control commands to the systemd manager.\n\n" | |
7120 | " -h --help Show this help\n" | |
7121 | " --version Show package version\n" | |
7122 | " --system Connect to system manager\n" | |
7123 | " --user Connect to user service manager\n" | |
7124 | " -H --host=[USER@]HOST\n" | |
7125 | " Operate on remote host\n" | |
7126 | " -M --machine=CONTAINER\n" | |
7127 | " Operate on local container\n" | |
7128 | " -t --type=TYPE List units of a particular type\n" | |
7129 | " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n" | |
7130 | " -p --property=NAME Show only properties by this name\n" | |
7131 | " -a --all Show all properties/all units currently in memory,\n" | |
7132 | " including dead/empty ones. To list all units installed on\n" | |
7133 | " the system, use the 'list-unit-files' command instead.\n" | |
7134 | " --failed Same as --state=failed\n" | |
7135 | " -l --full Don't ellipsize unit names on output\n" | |
7136 | " -r --recursive Show unit list of host and local containers\n" | |
7137 | " --reverse Show reverse dependencies with 'list-dependencies'\n" | |
7138 | " --job-mode=MODE Specify how to deal with already queued jobs, when\n" | |
7139 | " queueing a new job\n" | |
7140 | " --show-types When showing sockets, explicitly show their type\n" | |
7141 | " --value When showing properties, only print the value\n" | |
7142 | " -i --ignore-inhibitors\n" | |
7143 | " When shutting down or sleeping, ignore inhibitors\n" | |
7144 | " --kill-who=WHO Who to send signal to\n" | |
7145 | " -s --signal=SIGNAL Which signal to send\n" | |
7146 | " --now Start or stop unit in addition to enabling or disabling it\n" | |
7147 | " -q --quiet Suppress output\n" | |
7148 | " --wait For (re)start, wait until service stopped again\n" | |
7149 | " --no-block Do not wait until operation finished\n" | |
7150 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
7151 | " --no-reload Don't reload daemon after en-/dis-abling unit files\n" | |
7152 | " --no-legend Do not print a legend (column headers and hints)\n" | |
7153 | " --no-pager Do not pipe output into a pager\n" | |
7154 | " --no-ask-password\n" | |
7155 | " Do not ask for system passwords\n" | |
7156 | " --global Enable/disable/mask unit files globally\n" | |
7157 | " --runtime Enable/disable/mask unit files temporarily until next\n" | |
7158 | " reboot\n" | |
7159 | " -f --force When enabling unit files, override existing symlinks\n" | |
7160 | " When shutting down, execute action immediately\n" | |
7161 | " --preset-mode= Apply only enable, only disable, or all presets\n" | |
7162 | " --root=PATH Enable/disable/mask unit files in the specified root\n" | |
7163 | " directory\n" | |
7164 | " -n --lines=INTEGER Number of journal entries to show\n" | |
7165 | " -o --output=STRING Change journal output mode (short, short-precise,\n" | |
7166 | " short-iso, short-iso-precise, short-full,\n" | |
7167 | " short-monotonic, short-unix,\n" | |
7168 | " verbose, export, json, json-pretty, json-sse, cat)\n" | |
7169 | " --firmware-setup Tell the firmware to show the setup menu on next boot\n" | |
7170 | " --plain Print unit dependencies as a list instead of a tree\n\n" | |
7171 | "Unit Commands:\n" | |
7172 | " list-units [PATTERN...] List units currently in memory\n" | |
7173 | " list-sockets [PATTERN...] List socket units currently in memory, ordered\n" | |
7174 | " by address\n" | |
7175 | " list-timers [PATTERN...] List timer units currently in memory, ordered\n" | |
7176 | " by next elapse\n" | |
7177 | " start NAME... Start (activate) one or more units\n" | |
7178 | " stop NAME... Stop (deactivate) one or more units\n" | |
7179 | " reload NAME... Reload one or more units\n" | |
7180 | " restart NAME... Start or restart one or more units\n" | |
7181 | " try-restart NAME... Restart one or more units if active\n" | |
7182 | " reload-or-restart NAME... Reload one or more units if possible,\n" | |
7183 | " otherwise start or restart\n" | |
7184 | " try-reload-or-restart NAME... If active, reload one or more units,\n" | |
7185 | " if supported, otherwise restart\n" | |
7186 | " isolate NAME Start one unit and stop all others\n" | |
7187 | " kill NAME... Send signal to processes of a unit\n" | |
7188 | " is-active PATTERN... Check whether units are active\n" | |
7189 | " is-failed PATTERN... Check whether units are failed\n" | |
7190 | " status [PATTERN...|PID...] Show runtime status of one or more units\n" | |
7191 | " show [PATTERN...|JOB...] Show properties of one or more\n" | |
7192 | " units/jobs or the manager\n" | |
7193 | " cat PATTERN... Show files and drop-ins of one or more units\n" | |
7194 | " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n" | |
7195 | " help PATTERN...|PID... Show manual for one or more units\n" | |
7196 | " reset-failed [PATTERN...] Reset failed state for all, one, or more\n" | |
7197 | " units\n" | |
7198 | " list-dependencies [NAME] Recursively show units which are required\n" | |
7199 | " or wanted by this unit or by which this\n" | |
7200 | " unit is required or wanted\n\n" | |
7201 | "Unit File Commands:\n" | |
7202 | " list-unit-files [PATTERN...] List installed unit files\n" | |
7203 | " enable [NAME...|PATH...] Enable one or more unit files\n" | |
7204 | " disable NAME... Disable one or more unit files\n" | |
7205 | " reenable NAME... Reenable one or more unit files\n" | |
7206 | " preset NAME... Enable/disable one or more unit files\n" | |
7207 | " based on preset configuration\n" | |
7208 | " preset-all Enable/disable all unit files based on\n" | |
7209 | " preset configuration\n" | |
7210 | " is-enabled NAME... Check whether unit files are enabled\n" | |
7211 | " mask NAME... Mask one or more units\n" | |
7212 | " unmask NAME... Unmask one or more units\n" | |
7213 | " link PATH... Link one or more units files into\n" | |
7214 | " the search path\n" | |
7215 | " revert NAME... Revert one or more unit files to vendor\n" | |
7216 | " version\n" | |
7217 | " add-wants TARGET NAME... Add 'Wants' dependency for the target\n" | |
7218 | " on specified one or more units\n" | |
7219 | " add-requires TARGET NAME... Add 'Requires' dependency for the target\n" | |
7220 | " on specified one or more units\n" | |
7221 | " edit NAME... Edit one or more unit files\n" | |
7222 | " get-default Get the name of the default target\n" | |
7223 | " set-default NAME Set the default target\n\n" | |
7224 | "Machine Commands:\n" | |
7225 | " list-machines [PATTERN...] List local containers and host\n\n" | |
7226 | "Job Commands:\n" | |
7227 | " list-jobs [PATTERN...] List jobs\n" | |
7228 | " cancel [JOB...] Cancel all, one, or more jobs\n\n" | |
7229 | "Environment Commands:\n" | |
7230 | " show-environment Dump environment\n" | |
7231 | " set-environment NAME=VALUE... Set one or more environment variables\n" | |
7232 | " unset-environment NAME... Unset one or more environment variables\n" | |
7233 | " import-environment [NAME...] Import all or some environment variables\n\n" | |
7234 | "Manager Lifecycle Commands:\n" | |
7235 | " daemon-reload Reload systemd manager configuration\n" | |
7236 | " daemon-reexec Reexecute systemd manager\n\n" | |
7237 | "System Commands:\n" | |
7238 | " is-system-running Check whether system is fully running\n" | |
7239 | " default Enter system default mode\n" | |
7240 | " rescue Enter system rescue mode\n" | |
7241 | " emergency Enter system emergency mode\n" | |
7242 | " halt Shut down and halt the system\n" | |
7243 | " poweroff Shut down and power-off the system\n" | |
7244 | " reboot [ARG] Shut down and reboot the system\n" | |
7245 | " kexec Shut down and reboot the system with kexec\n" | |
7246 | " exit [EXIT_CODE] Request user instance or container exit\n" | |
7247 | " switch-root ROOT [INIT] Change to a different root file system\n" | |
7248 | " suspend Suspend the system\n" | |
7249 | " hibernate Hibernate the system\n" | |
7250 | " hybrid-sleep Hibernate and suspend the system\n", | |
7251 | program_invocation_short_name); | |
7252 | } | |
7253 | ||
7254 | static void halt_help(void) { | |
7255 | printf("%s [OPTIONS...]%s\n\n" | |
7256 | "%s the system.\n\n" | |
7257 | " --help Show this help\n" | |
7258 | " --halt Halt the machine\n" | |
7259 | " -p --poweroff Switch off the machine\n" | |
7260 | " --reboot Reboot the machine\n" | |
7261 | " -f --force Force immediate halt/power-off/reboot\n" | |
7262 | " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n" | |
7263 | " -d --no-wtmp Don't write wtmp record\n" | |
7264 | " --no-wall Don't send wall message before halt/power-off/reboot\n", | |
7265 | program_invocation_short_name, | |
7266 | arg_action == ACTION_REBOOT ? " [ARG]" : "", | |
7267 | arg_action == ACTION_REBOOT ? "Reboot" : | |
7268 | arg_action == ACTION_POWEROFF ? "Power off" : | |
7269 | "Halt"); | |
7270 | } | |
7271 | ||
7272 | static void shutdown_help(void) { | |
7273 | printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" | |
7274 | "Shut down the system.\n\n" | |
7275 | " --help Show this help\n" | |
7276 | " -H --halt Halt the machine\n" | |
7277 | " -P --poweroff Power-off the machine\n" | |
7278 | " -r --reboot Reboot the machine\n" | |
7279 | " -h Equivalent to --poweroff, overridden by --halt\n" | |
7280 | " -k Don't halt/power-off/reboot, just send warnings\n" | |
7281 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
7282 | " -c Cancel a pending shutdown\n", | |
7283 | program_invocation_short_name); | |
7284 | } | |
7285 | ||
7286 | static void telinit_help(void) { | |
7287 | printf("%s [OPTIONS...] {COMMAND}\n\n" | |
7288 | "Send control commands to the init daemon.\n\n" | |
7289 | " --help Show this help\n" | |
7290 | " --no-wall Don't send wall message before halt/power-off/reboot\n\n" | |
7291 | "Commands:\n" | |
7292 | " 0 Power-off the machine\n" | |
7293 | " 6 Reboot the machine\n" | |
7294 | " 2, 3, 4, 5 Start runlevelX.target unit\n" | |
7295 | " 1, s, S Enter rescue mode\n" | |
7296 | " q, Q Reload init daemon configuration\n" | |
7297 | " u, U Reexecute init daemon\n", | |
7298 | program_invocation_short_name); | |
7299 | } | |
7300 | ||
7301 | static void runlevel_help(void) { | |
7302 | printf("%s [OPTIONS...]\n\n" | |
7303 | "Prints the previous and current runlevel of the init system.\n\n" | |
7304 | " --help Show this help\n", | |
7305 | program_invocation_short_name); | |
7306 | } | |
7307 | ||
7308 | static void help_types(void) { | |
7309 | int i; | |
7310 | ||
7311 | if (!arg_no_legend) | |
7312 | puts("Available unit types:"); | |
7313 | for (i = 0; i < _UNIT_TYPE_MAX; i++) | |
7314 | puts(unit_type_to_string(i)); | |
7315 | } | |
7316 | ||
7317 | static void help_states(void) { | |
7318 | int i; | |
7319 | ||
7320 | if (!arg_no_legend) | |
7321 | puts("Available unit load states:"); | |
7322 | for (i = 0; i < _UNIT_LOAD_STATE_MAX; i++) | |
7323 | puts(unit_load_state_to_string(i)); | |
7324 | ||
7325 | if (!arg_no_legend) | |
7326 | puts("\nAvailable unit active states:"); | |
7327 | for (i = 0; i < _UNIT_ACTIVE_STATE_MAX; i++) | |
7328 | puts(unit_active_state_to_string(i)); | |
7329 | ||
7330 | if (!arg_no_legend) | |
7331 | puts("\nAvailable automount unit substates:"); | |
7332 | for (i = 0; i < _AUTOMOUNT_STATE_MAX; i++) | |
7333 | puts(automount_state_to_string(i)); | |
7334 | ||
7335 | if (!arg_no_legend) | |
7336 | puts("\nAvailable device unit substates:"); | |
7337 | for (i = 0; i < _DEVICE_STATE_MAX; i++) | |
7338 | puts(device_state_to_string(i)); | |
7339 | ||
7340 | if (!arg_no_legend) | |
7341 | puts("\nAvailable mount unit substates:"); | |
7342 | for (i = 0; i < _MOUNT_STATE_MAX; i++) | |
7343 | puts(mount_state_to_string(i)); | |
7344 | ||
7345 | if (!arg_no_legend) | |
7346 | puts("\nAvailable path unit substates:"); | |
7347 | for (i = 0; i < _PATH_STATE_MAX; i++) | |
7348 | puts(path_state_to_string(i)); | |
7349 | ||
7350 | if (!arg_no_legend) | |
7351 | puts("\nAvailable scope unit substates:"); | |
7352 | for (i = 0; i < _SCOPE_STATE_MAX; i++) | |
7353 | puts(scope_state_to_string(i)); | |
7354 | ||
7355 | if (!arg_no_legend) | |
7356 | puts("\nAvailable service unit substates:"); | |
7357 | for (i = 0; i < _SERVICE_STATE_MAX; i++) | |
7358 | puts(service_state_to_string(i)); | |
7359 | ||
7360 | if (!arg_no_legend) | |
7361 | puts("\nAvailable slice unit substates:"); | |
7362 | for (i = 0; i < _SLICE_STATE_MAX; i++) | |
7363 | puts(slice_state_to_string(i)); | |
7364 | ||
7365 | if (!arg_no_legend) | |
7366 | puts("\nAvailable socket unit substates:"); | |
7367 | for (i = 0; i < _SOCKET_STATE_MAX; i++) | |
7368 | puts(socket_state_to_string(i)); | |
7369 | ||
7370 | if (!arg_no_legend) | |
7371 | puts("\nAvailable swap unit substates:"); | |
7372 | for (i = 0; i < _SWAP_STATE_MAX; i++) | |
7373 | puts(swap_state_to_string(i)); | |
7374 | ||
7375 | if (!arg_no_legend) | |
7376 | puts("\nAvailable target unit substates:"); | |
7377 | for (i = 0; i < _TARGET_STATE_MAX; i++) | |
7378 | puts(target_state_to_string(i)); | |
7379 | ||
7380 | if (!arg_no_legend) | |
7381 | puts("\nAvailable timer unit substates:"); | |
7382 | for (i = 0; i < _TIMER_STATE_MAX; i++) | |
7383 | puts(timer_state_to_string(i)); | |
7384 | } | |
7385 | ||
7386 | static int systemctl_parse_argv(int argc, char *argv[]) { | |
7387 | ||
7388 | enum { | |
7389 | ARG_FAIL = 0x100, | |
7390 | ARG_REVERSE, | |
7391 | ARG_AFTER, | |
7392 | ARG_BEFORE, | |
7393 | ARG_SHOW_TYPES, | |
7394 | ARG_IRREVERSIBLE, | |
7395 | ARG_IGNORE_DEPENDENCIES, | |
7396 | ARG_VALUE, | |
7397 | ARG_VERSION, | |
7398 | ARG_USER, | |
7399 | ARG_SYSTEM, | |
7400 | ARG_GLOBAL, | |
7401 | ARG_NO_BLOCK, | |
7402 | ARG_NO_LEGEND, | |
7403 | ARG_NO_PAGER, | |
7404 | ARG_NO_WALL, | |
7405 | ARG_ROOT, | |
7406 | ARG_NO_RELOAD, | |
7407 | ARG_KILL_WHO, | |
7408 | ARG_NO_ASK_PASSWORD, | |
7409 | ARG_FAILED, | |
7410 | ARG_RUNTIME, | |
7411 | ARG_FORCE, | |
7412 | ARG_PLAIN, | |
7413 | ARG_STATE, | |
7414 | ARG_JOB_MODE, | |
7415 | ARG_PRESET_MODE, | |
7416 | ARG_FIRMWARE_SETUP, | |
7417 | ARG_NOW, | |
7418 | ARG_MESSAGE, | |
7419 | ARG_WAIT, | |
7420 | }; | |
7421 | ||
7422 | static const struct option options[] = { | |
7423 | { "help", no_argument, NULL, 'h' }, | |
7424 | { "version", no_argument, NULL, ARG_VERSION }, | |
7425 | { "type", required_argument, NULL, 't' }, | |
7426 | { "property", required_argument, NULL, 'p' }, | |
7427 | { "all", no_argument, NULL, 'a' }, | |
7428 | { "reverse", no_argument, NULL, ARG_REVERSE }, | |
7429 | { "after", no_argument, NULL, ARG_AFTER }, | |
7430 | { "before", no_argument, NULL, ARG_BEFORE }, | |
7431 | { "show-types", no_argument, NULL, ARG_SHOW_TYPES }, | |
7432 | { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */ | |
7433 | { "full", no_argument, NULL, 'l' }, | |
7434 | { "job-mode", required_argument, NULL, ARG_JOB_MODE }, | |
7435 | { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */ | |
7436 | { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ | |
7437 | { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ | |
7438 | { "ignore-inhibitors", no_argument, NULL, 'i' }, | |
7439 | { "value", no_argument, NULL, ARG_VALUE }, | |
7440 | { "user", no_argument, NULL, ARG_USER }, | |
7441 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
7442 | { "global", no_argument, NULL, ARG_GLOBAL }, | |
7443 | { "wait", no_argument, NULL, ARG_WAIT }, | |
7444 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
7445 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, | |
7446 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
7447 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
7448 | { "quiet", no_argument, NULL, 'q' }, | |
7449 | { "root", required_argument, NULL, ARG_ROOT }, | |
7450 | { "force", no_argument, NULL, ARG_FORCE }, | |
7451 | { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, | |
7452 | { "kill-who", required_argument, NULL, ARG_KILL_WHO }, | |
7453 | { "signal", required_argument, NULL, 's' }, | |
7454 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
7455 | { "host", required_argument, NULL, 'H' }, | |
7456 | { "machine", required_argument, NULL, 'M' }, | |
7457 | { "runtime", no_argument, NULL, ARG_RUNTIME }, | |
7458 | { "lines", required_argument, NULL, 'n' }, | |
7459 | { "output", required_argument, NULL, 'o' }, | |
7460 | { "plain", no_argument, NULL, ARG_PLAIN }, | |
7461 | { "state", required_argument, NULL, ARG_STATE }, | |
7462 | { "recursive", no_argument, NULL, 'r' }, | |
7463 | { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, | |
7464 | { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP }, | |
7465 | { "now", no_argument, NULL, ARG_NOW }, | |
7466 | { "message", required_argument, NULL, ARG_MESSAGE }, | |
7467 | {} | |
7468 | }; | |
7469 | ||
7470 | const char *p; | |
7471 | int c, r; | |
7472 | ||
7473 | assert(argc >= 0); | |
7474 | assert(argv); | |
7475 | ||
7476 | /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */ | |
7477 | arg_ask_password = true; | |
7478 | ||
7479 | while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) | |
7480 | ||
7481 | switch (c) { | |
7482 | ||
7483 | case 'h': | |
7484 | systemctl_help(); | |
7485 | return 0; | |
7486 | ||
7487 | case ARG_VERSION: | |
7488 | return version(); | |
7489 | ||
7490 | case 't': { | |
7491 | if (isempty(optarg)) { | |
7492 | log_error("--type= requires arguments."); | |
7493 | return -EINVAL; | |
7494 | } | |
7495 | ||
7496 | for (p = optarg;;) { | |
7497 | _cleanup_free_ char *type = NULL; | |
7498 | ||
7499 | r = extract_first_word(&p, &type, ",", 0); | |
7500 | if (r < 0) | |
7501 | return log_error_errno(r, "Failed to parse type: %s", optarg); | |
7502 | if (r == 0) | |
7503 | break; | |
7504 | ||
7505 | if (streq(type, "help")) { | |
7506 | help_types(); | |
7507 | return 0; | |
7508 | } | |
7509 | ||
7510 | if (unit_type_from_string(type) >= 0) { | |
7511 | if (strv_push(&arg_types, type) < 0) | |
7512 | return log_oom(); | |
7513 | type = NULL; | |
7514 | continue; | |
7515 | } | |
7516 | ||
7517 | /* It's much nicer to use --state= for | |
7518 | * load states, but let's support this | |
7519 | * in --types= too for compatibility | |
7520 | * with old versions */ | |
7521 | if (unit_load_state_from_string(type) >= 0) { | |
7522 | if (strv_push(&arg_states, type) < 0) | |
7523 | return log_oom(); | |
7524 | type = NULL; | |
7525 | continue; | |
7526 | } | |
7527 | ||
7528 | log_error("Unknown unit type or load state '%s'.", type); | |
7529 | log_info("Use -t help to see a list of allowed values."); | |
7530 | return -EINVAL; | |
7531 | } | |
7532 | ||
7533 | break; | |
7534 | } | |
7535 | ||
7536 | case 'p': { | |
7537 | /* Make sure that if the empty property list | |
7538 | was specified, we won't show any properties. */ | |
7539 | if (isempty(optarg) && !arg_properties) { | |
7540 | arg_properties = new0(char*, 1); | |
7541 | if (!arg_properties) | |
7542 | return log_oom(); | |
7543 | } else | |
7544 | for (p = optarg;;) { | |
7545 | _cleanup_free_ char *prop = NULL; | |
7546 | ||
7547 | r = extract_first_word(&p, &prop, ",", 0); | |
7548 | if (r < 0) | |
7549 | return log_error_errno(r, "Failed to parse property: %s", optarg); | |
7550 | if (r == 0) | |
7551 | break; | |
7552 | ||
7553 | if (strv_push(&arg_properties, prop) < 0) | |
7554 | return log_oom(); | |
7555 | ||
7556 | prop = NULL; | |
7557 | } | |
7558 | ||
7559 | /* If the user asked for a particular | |
7560 | * property, show it to him, even if it is | |
7561 | * empty. */ | |
7562 | arg_all = true; | |
7563 | ||
7564 | break; | |
7565 | } | |
7566 | ||
7567 | case 'a': | |
7568 | arg_all = true; | |
7569 | break; | |
7570 | ||
7571 | case ARG_REVERSE: | |
7572 | arg_dependency = DEPENDENCY_REVERSE; | |
7573 | break; | |
7574 | ||
7575 | case ARG_AFTER: | |
7576 | arg_dependency = DEPENDENCY_AFTER; | |
7577 | arg_jobs_after = true; | |
7578 | break; | |
7579 | ||
7580 | case ARG_BEFORE: | |
7581 | arg_dependency = DEPENDENCY_BEFORE; | |
7582 | arg_jobs_before = true; | |
7583 | break; | |
7584 | ||
7585 | case ARG_SHOW_TYPES: | |
7586 | arg_show_types = true; | |
7587 | break; | |
7588 | ||
7589 | case ARG_VALUE: | |
7590 | arg_value = true; | |
7591 | break; | |
7592 | ||
7593 | case ARG_JOB_MODE: | |
7594 | arg_job_mode = optarg; | |
7595 | break; | |
7596 | ||
7597 | case ARG_FAIL: | |
7598 | arg_job_mode = "fail"; | |
7599 | break; | |
7600 | ||
7601 | case ARG_IRREVERSIBLE: | |
7602 | arg_job_mode = "replace-irreversibly"; | |
7603 | break; | |
7604 | ||
7605 | case ARG_IGNORE_DEPENDENCIES: | |
7606 | arg_job_mode = "ignore-dependencies"; | |
7607 | break; | |
7608 | ||
7609 | case ARG_USER: | |
7610 | arg_scope = UNIT_FILE_USER; | |
7611 | break; | |
7612 | ||
7613 | case ARG_SYSTEM: | |
7614 | arg_scope = UNIT_FILE_SYSTEM; | |
7615 | break; | |
7616 | ||
7617 | case ARG_GLOBAL: | |
7618 | arg_scope = UNIT_FILE_GLOBAL; | |
7619 | break; | |
7620 | ||
7621 | case ARG_WAIT: | |
7622 | arg_wait = true; | |
7623 | break; | |
7624 | ||
7625 | case ARG_NO_BLOCK: | |
7626 | arg_no_block = true; | |
7627 | break; | |
7628 | ||
7629 | case ARG_NO_LEGEND: | |
7630 | arg_no_legend = true; | |
7631 | break; | |
7632 | ||
7633 | case ARG_NO_PAGER: | |
7634 | arg_no_pager = true; | |
7635 | break; | |
7636 | ||
7637 | case ARG_NO_WALL: | |
7638 | arg_no_wall = true; | |
7639 | break; | |
7640 | ||
7641 | case ARG_ROOT: | |
7642 | r = parse_path_argument_and_warn(optarg, false, &arg_root); | |
7643 | if (r < 0) | |
7644 | return r; | |
7645 | break; | |
7646 | ||
7647 | case 'l': | |
7648 | arg_full = true; | |
7649 | break; | |
7650 | ||
7651 | case ARG_FAILED: | |
7652 | if (strv_extend(&arg_states, "failed") < 0) | |
7653 | return log_oom(); | |
7654 | ||
7655 | break; | |
7656 | ||
7657 | case 'q': | |
7658 | arg_quiet = true; | |
7659 | break; | |
7660 | ||
7661 | case ARG_FORCE: | |
7662 | arg_force++; | |
7663 | break; | |
7664 | ||
7665 | case 'f': | |
7666 | arg_force++; | |
7667 | break; | |
7668 | ||
7669 | case ARG_NO_RELOAD: | |
7670 | arg_no_reload = true; | |
7671 | break; | |
7672 | ||
7673 | case ARG_KILL_WHO: | |
7674 | arg_kill_who = optarg; | |
7675 | break; | |
7676 | ||
7677 | case 's': | |
7678 | arg_signal = signal_from_string_try_harder(optarg); | |
7679 | if (arg_signal < 0) { | |
7680 | log_error("Failed to parse signal string %s.", optarg); | |
7681 | return -EINVAL; | |
7682 | } | |
7683 | break; | |
7684 | ||
7685 | case ARG_NO_ASK_PASSWORD: | |
7686 | arg_ask_password = false; | |
7687 | break; | |
7688 | ||
7689 | case 'H': | |
7690 | arg_transport = BUS_TRANSPORT_REMOTE; | |
7691 | arg_host = optarg; | |
7692 | break; | |
7693 | ||
7694 | case 'M': | |
7695 | arg_transport = BUS_TRANSPORT_MACHINE; | |
7696 | arg_host = optarg; | |
7697 | break; | |
7698 | ||
7699 | case ARG_RUNTIME: | |
7700 | arg_runtime = true; | |
7701 | break; | |
7702 | ||
7703 | case 'n': | |
7704 | if (safe_atou(optarg, &arg_lines) < 0) { | |
7705 | log_error("Failed to parse lines '%s'", optarg); | |
7706 | return -EINVAL; | |
7707 | } | |
7708 | break; | |
7709 | ||
7710 | case 'o': | |
7711 | arg_output = output_mode_from_string(optarg); | |
7712 | if (arg_output < 0) { | |
7713 | log_error("Unknown output '%s'.", optarg); | |
7714 | return -EINVAL; | |
7715 | } | |
7716 | break; | |
7717 | ||
7718 | case 'i': | |
7719 | arg_ignore_inhibitors = true; | |
7720 | break; | |
7721 | ||
7722 | case ARG_PLAIN: | |
7723 | arg_plain = true; | |
7724 | break; | |
7725 | ||
7726 | case ARG_FIRMWARE_SETUP: | |
7727 | arg_firmware_setup = true; | |
7728 | break; | |
7729 | ||
7730 | case ARG_STATE: { | |
7731 | if (isempty(optarg)) { | |
7732 | log_error("--state= requires arguments."); | |
7733 | return -EINVAL; | |
7734 | } | |
7735 | ||
7736 | for (p = optarg;;) { | |
7737 | _cleanup_free_ char *s = NULL; | |
7738 | ||
7739 | r = extract_first_word(&p, &s, ",", 0); | |
7740 | if (r < 0) | |
7741 | return log_error_errno(r, "Failed to parse state: %s", optarg); | |
7742 | if (r == 0) | |
7743 | break; | |
7744 | ||
7745 | if (streq(s, "help")) { | |
7746 | help_states(); | |
7747 | return 0; | |
7748 | } | |
7749 | ||
7750 | if (strv_push(&arg_states, s) < 0) | |
7751 | return log_oom(); | |
7752 | ||
7753 | s = NULL; | |
7754 | } | |
7755 | break; | |
7756 | } | |
7757 | ||
7758 | case 'r': | |
7759 | if (geteuid() != 0) { | |
7760 | log_error("--recursive requires root privileges."); | |
7761 | return -EPERM; | |
7762 | } | |
7763 | ||
7764 | arg_recursive = true; | |
7765 | break; | |
7766 | ||
7767 | case ARG_PRESET_MODE: | |
7768 | ||
7769 | arg_preset_mode = unit_file_preset_mode_from_string(optarg); | |
7770 | if (arg_preset_mode < 0) { | |
7771 | log_error("Failed to parse preset mode: %s.", optarg); | |
7772 | return -EINVAL; | |
7773 | } | |
7774 | ||
7775 | break; | |
7776 | ||
7777 | case ARG_NOW: | |
7778 | arg_now = true; | |
7779 | break; | |
7780 | ||
7781 | case ARG_MESSAGE: | |
7782 | if (strv_extend(&arg_wall, optarg) < 0) | |
7783 | return log_oom(); | |
7784 | break; | |
7785 | ||
7786 | case '?': | |
7787 | return -EINVAL; | |
7788 | ||
7789 | default: | |
7790 | assert_not_reached("Unhandled option"); | |
7791 | } | |
7792 | ||
7793 | if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) { | |
7794 | log_error("Cannot access user instance remotely."); | |
7795 | return -EINVAL; | |
7796 | } | |
7797 | ||
7798 | if (arg_wait && arg_no_block) { | |
7799 | log_error("--wait may not be combined with --no-block."); | |
7800 | return -EINVAL; | |
7801 | } | |
7802 | ||
7803 | return 1; | |
7804 | } | |
7805 | ||
7806 | static int halt_parse_argv(int argc, char *argv[]) { | |
7807 | ||
7808 | enum { | |
7809 | ARG_HELP = 0x100, | |
7810 | ARG_HALT, | |
7811 | ARG_REBOOT, | |
7812 | ARG_NO_WALL | |
7813 | }; | |
7814 | ||
7815 | static const struct option options[] = { | |
7816 | { "help", no_argument, NULL, ARG_HELP }, | |
7817 | { "halt", no_argument, NULL, ARG_HALT }, | |
7818 | { "poweroff", no_argument, NULL, 'p' }, | |
7819 | { "reboot", no_argument, NULL, ARG_REBOOT }, | |
7820 | { "force", no_argument, NULL, 'f' }, | |
7821 | { "wtmp-only", no_argument, NULL, 'w' }, | |
7822 | { "no-wtmp", no_argument, NULL, 'd' }, | |
7823 | { "no-sync", no_argument, NULL, 'n' }, | |
7824 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
7825 | {} | |
7826 | }; | |
7827 | ||
7828 | int c, r, runlevel; | |
7829 | ||
7830 | assert(argc >= 0); | |
7831 | assert(argv); | |
7832 | ||
7833 | if (utmp_get_runlevel(&runlevel, NULL) >= 0) | |
7834 | if (IN_SET(runlevel, '0', '6')) | |
7835 | arg_force = 2; | |
7836 | ||
7837 | while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) | |
7838 | switch (c) { | |
7839 | ||
7840 | case ARG_HELP: | |
7841 | halt_help(); | |
7842 | return 0; | |
7843 | ||
7844 | case ARG_HALT: | |
7845 | arg_action = ACTION_HALT; | |
7846 | break; | |
7847 | ||
7848 | case 'p': | |
7849 | if (arg_action != ACTION_REBOOT) | |
7850 | arg_action = ACTION_POWEROFF; | |
7851 | break; | |
7852 | ||
7853 | case ARG_REBOOT: | |
7854 | arg_action = ACTION_REBOOT; | |
7855 | break; | |
7856 | ||
7857 | case 'f': | |
7858 | arg_force = 2; | |
7859 | break; | |
7860 | ||
7861 | case 'w': | |
7862 | arg_dry = true; | |
7863 | break; | |
7864 | ||
7865 | case 'd': | |
7866 | arg_no_wtmp = true; | |
7867 | break; | |
7868 | ||
7869 | case 'n': | |
7870 | arg_no_sync = true; | |
7871 | break; | |
7872 | ||
7873 | case ARG_NO_WALL: | |
7874 | arg_no_wall = true; | |
7875 | break; | |
7876 | ||
7877 | case 'i': | |
7878 | case 'h': | |
7879 | /* Compatibility nops */ | |
7880 | break; | |
7881 | ||
7882 | case '?': | |
7883 | return -EINVAL; | |
7884 | ||
7885 | default: | |
7886 | assert_not_reached("Unhandled option"); | |
7887 | } | |
7888 | ||
7889 | if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) { | |
7890 | r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL); | |
7891 | if (r < 0) | |
7892 | return r; | |
7893 | } else if (optind < argc) { | |
7894 | log_error("Too many arguments."); | |
7895 | return -EINVAL; | |
7896 | } | |
7897 | ||
7898 | return 1; | |
7899 | } | |
7900 | ||
7901 | static int parse_shutdown_time_spec(const char *t, usec_t *_u) { | |
7902 | assert(t); | |
7903 | assert(_u); | |
7904 | ||
7905 | if (streq(t, "now")) | |
7906 | *_u = 0; | |
7907 | else if (!strchr(t, ':')) { | |
7908 | uint64_t u; | |
7909 | ||
7910 | if (safe_atou64(t, &u) < 0) | |
7911 | return -EINVAL; | |
7912 | ||
7913 | *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u; | |
7914 | } else { | |
7915 | char *e = NULL; | |
7916 | long hour, minute; | |
7917 | struct tm tm = {}; | |
7918 | time_t s; | |
7919 | usec_t n; | |
7920 | ||
7921 | errno = 0; | |
7922 | hour = strtol(t, &e, 10); | |
7923 | if (errno > 0 || *e != ':' || hour < 0 || hour > 23) | |
7924 | return -EINVAL; | |
7925 | ||
7926 | minute = strtol(e+1, &e, 10); | |
7927 | if (errno > 0 || *e != 0 || minute < 0 || minute > 59) | |
7928 | return -EINVAL; | |
7929 | ||
7930 | n = now(CLOCK_REALTIME); | |
7931 | s = (time_t) (n / USEC_PER_SEC); | |
7932 | ||
7933 | assert_se(localtime_r(&s, &tm)); | |
7934 | ||
7935 | tm.tm_hour = (int) hour; | |
7936 | tm.tm_min = (int) minute; | |
7937 | tm.tm_sec = 0; | |
7938 | ||
7939 | assert_se(s = mktime(&tm)); | |
7940 | ||
7941 | *_u = (usec_t) s * USEC_PER_SEC; | |
7942 | ||
7943 | while (*_u <= n) | |
7944 | *_u += USEC_PER_DAY; | |
7945 | } | |
7946 | ||
7947 | return 0; | |
7948 | } | |
7949 | ||
7950 | static int shutdown_parse_argv(int argc, char *argv[]) { | |
7951 | ||
7952 | enum { | |
7953 | ARG_HELP = 0x100, | |
7954 | ARG_NO_WALL | |
7955 | }; | |
7956 | ||
7957 | static const struct option options[] = { | |
7958 | { "help", no_argument, NULL, ARG_HELP }, | |
7959 | { "halt", no_argument, NULL, 'H' }, | |
7960 | { "poweroff", no_argument, NULL, 'P' }, | |
7961 | { "reboot", no_argument, NULL, 'r' }, | |
7962 | { "kexec", no_argument, NULL, 'K' }, /* not documented extension */ | |
7963 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
7964 | {} | |
7965 | }; | |
7966 | ||
7967 | char **wall = NULL; | |
7968 | int c, r; | |
7969 | ||
7970 | assert(argc >= 0); | |
7971 | assert(argv); | |
7972 | ||
7973 | while ((c = getopt_long(argc, argv, "HPrhkKtafFc", options, NULL)) >= 0) | |
7974 | switch (c) { | |
7975 | ||
7976 | case ARG_HELP: | |
7977 | shutdown_help(); | |
7978 | return 0; | |
7979 | ||
7980 | case 'H': | |
7981 | arg_action = ACTION_HALT; | |
7982 | break; | |
7983 | ||
7984 | case 'P': | |
7985 | arg_action = ACTION_POWEROFF; | |
7986 | break; | |
7987 | ||
7988 | case 'r': | |
7989 | if (kexec_loaded()) | |
7990 | arg_action = ACTION_KEXEC; | |
7991 | else | |
7992 | arg_action = ACTION_REBOOT; | |
7993 | break; | |
7994 | ||
7995 | case 'K': | |
7996 | arg_action = ACTION_KEXEC; | |
7997 | break; | |
7998 | ||
7999 | case 'h': | |
8000 | if (arg_action != ACTION_HALT) | |
8001 | arg_action = ACTION_POWEROFF; | |
8002 | break; | |
8003 | ||
8004 | case 'k': | |
8005 | arg_dry = true; | |
8006 | break; | |
8007 | ||
8008 | case ARG_NO_WALL: | |
8009 | arg_no_wall = true; | |
8010 | break; | |
8011 | ||
8012 | case 't': | |
8013 | case 'a': | |
8014 | case 'f': | |
8015 | case 'F': | |
8016 | /* Compatibility nops */ | |
8017 | break; | |
8018 | ||
8019 | case 'c': | |
8020 | arg_action = ACTION_CANCEL_SHUTDOWN; | |
8021 | break; | |
8022 | ||
8023 | case '?': | |
8024 | return -EINVAL; | |
8025 | ||
8026 | default: | |
8027 | assert_not_reached("Unhandled option"); | |
8028 | } | |
8029 | ||
8030 | if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) { | |
8031 | r = parse_shutdown_time_spec(argv[optind], &arg_when); | |
8032 | if (r < 0) { | |
8033 | log_error("Failed to parse time specification: %s", argv[optind]); | |
8034 | return r; | |
8035 | } | |
8036 | } else | |
8037 | arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE; | |
8038 | ||
8039 | if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN) | |
8040 | /* No time argument for shutdown cancel */ | |
8041 | wall = argv + optind; | |
8042 | else if (argc > optind + 1) | |
8043 | /* We skip the time argument */ | |
8044 | wall = argv + optind + 1; | |
8045 | ||
8046 | if (wall) { | |
8047 | arg_wall = strv_copy(wall); | |
8048 | if (!arg_wall) | |
8049 | return log_oom(); | |
8050 | } | |
8051 | ||
8052 | optind = argc; | |
8053 | ||
8054 | return 1; | |
8055 | } | |
8056 | ||
8057 | static int telinit_parse_argv(int argc, char *argv[]) { | |
8058 | ||
8059 | enum { | |
8060 | ARG_HELP = 0x100, | |
8061 | ARG_NO_WALL | |
8062 | }; | |
8063 | ||
8064 | static const struct option options[] = { | |
8065 | { "help", no_argument, NULL, ARG_HELP }, | |
8066 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
8067 | {} | |
8068 | }; | |
8069 | ||
8070 | static const struct { | |
8071 | char from; | |
8072 | enum action to; | |
8073 | } table[] = { | |
8074 | { '0', ACTION_POWEROFF }, | |
8075 | { '6', ACTION_REBOOT }, | |
8076 | { '1', ACTION_RESCUE }, | |
8077 | { '2', ACTION_RUNLEVEL2 }, | |
8078 | { '3', ACTION_RUNLEVEL3 }, | |
8079 | { '4', ACTION_RUNLEVEL4 }, | |
8080 | { '5', ACTION_RUNLEVEL5 }, | |
8081 | { 's', ACTION_RESCUE }, | |
8082 | { 'S', ACTION_RESCUE }, | |
8083 | { 'q', ACTION_RELOAD }, | |
8084 | { 'Q', ACTION_RELOAD }, | |
8085 | { 'u', ACTION_REEXEC }, | |
8086 | { 'U', ACTION_REEXEC } | |
8087 | }; | |
8088 | ||
8089 | unsigned i; | |
8090 | int c; | |
8091 | ||
8092 | assert(argc >= 0); | |
8093 | assert(argv); | |
8094 | ||
8095 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
8096 | switch (c) { | |
8097 | ||
8098 | case ARG_HELP: | |
8099 | telinit_help(); | |
8100 | return 0; | |
8101 | ||
8102 | case ARG_NO_WALL: | |
8103 | arg_no_wall = true; | |
8104 | break; | |
8105 | ||
8106 | case '?': | |
8107 | return -EINVAL; | |
8108 | ||
8109 | default: | |
8110 | assert_not_reached("Unhandled option"); | |
8111 | } | |
8112 | ||
8113 | if (optind >= argc) { | |
8114 | log_error("%s: required argument missing.", program_invocation_short_name); | |
8115 | return -EINVAL; | |
8116 | } | |
8117 | ||
8118 | if (optind + 1 < argc) { | |
8119 | log_error("Too many arguments."); | |
8120 | return -EINVAL; | |
8121 | } | |
8122 | ||
8123 | if (strlen(argv[optind]) != 1) { | |
8124 | log_error("Expected single character argument."); | |
8125 | return -EINVAL; | |
8126 | } | |
8127 | ||
8128 | for (i = 0; i < ELEMENTSOF(table); i++) | |
8129 | if (table[i].from == argv[optind][0]) | |
8130 | break; | |
8131 | ||
8132 | if (i >= ELEMENTSOF(table)) { | |
8133 | log_error("Unknown command '%s'.", argv[optind]); | |
8134 | return -EINVAL; | |
8135 | } | |
8136 | ||
8137 | arg_action = table[i].to; | |
8138 | ||
8139 | optind++; | |
8140 | ||
8141 | return 1; | |
8142 | } | |
8143 | ||
8144 | static int runlevel_parse_argv(int argc, char *argv[]) { | |
8145 | ||
8146 | enum { | |
8147 | ARG_HELP = 0x100, | |
8148 | }; | |
8149 | ||
8150 | static const struct option options[] = { | |
8151 | { "help", no_argument, NULL, ARG_HELP }, | |
8152 | {} | |
8153 | }; | |
8154 | ||
8155 | int c; | |
8156 | ||
8157 | assert(argc >= 0); | |
8158 | assert(argv); | |
8159 | ||
8160 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
8161 | switch (c) { | |
8162 | ||
8163 | case ARG_HELP: | |
8164 | runlevel_help(); | |
8165 | return 0; | |
8166 | ||
8167 | case '?': | |
8168 | return -EINVAL; | |
8169 | ||
8170 | default: | |
8171 | assert_not_reached("Unhandled option"); | |
8172 | } | |
8173 | ||
8174 | if (optind < argc) { | |
8175 | log_error("Too many arguments."); | |
8176 | return -EINVAL; | |
8177 | } | |
8178 | ||
8179 | return 1; | |
8180 | } | |
8181 | ||
8182 | static int parse_argv(int argc, char *argv[]) { | |
8183 | assert(argc >= 0); | |
8184 | assert(argv); | |
8185 | ||
8186 | if (program_invocation_short_name) { | |
8187 | ||
8188 | if (strstr(program_invocation_short_name, "halt")) { | |
8189 | arg_action = ACTION_HALT; | |
8190 | return halt_parse_argv(argc, argv); | |
8191 | } else if (strstr(program_invocation_short_name, "poweroff")) { | |
8192 | arg_action = ACTION_POWEROFF; | |
8193 | return halt_parse_argv(argc, argv); | |
8194 | } else if (strstr(program_invocation_short_name, "reboot")) { | |
8195 | if (kexec_loaded()) | |
8196 | arg_action = ACTION_KEXEC; | |
8197 | else | |
8198 | arg_action = ACTION_REBOOT; | |
8199 | return halt_parse_argv(argc, argv); | |
8200 | } else if (strstr(program_invocation_short_name, "shutdown")) { | |
8201 | arg_action = ACTION_POWEROFF; | |
8202 | return shutdown_parse_argv(argc, argv); | |
8203 | } else if (strstr(program_invocation_short_name, "init")) { | |
8204 | ||
8205 | if (sd_booted() > 0) { | |
8206 | arg_action = _ACTION_INVALID; | |
8207 | return telinit_parse_argv(argc, argv); | |
8208 | } else { | |
8209 | /* Hmm, so some other init system is | |
8210 | * running, we need to forward this | |
8211 | * request to it. For now we simply | |
8212 | * guess that it is Upstart. */ | |
8213 | ||
8214 | execv(TELINIT, argv); | |
8215 | ||
8216 | log_error("Couldn't find an alternative telinit implementation to spawn."); | |
8217 | return -EIO; | |
8218 | } | |
8219 | ||
8220 | } else if (strstr(program_invocation_short_name, "runlevel")) { | |
8221 | arg_action = ACTION_RUNLEVEL; | |
8222 | return runlevel_parse_argv(argc, argv); | |
8223 | } | |
8224 | } | |
8225 | ||
8226 | arg_action = ACTION_SYSTEMCTL; | |
8227 | return systemctl_parse_argv(argc, argv); | |
8228 | } | |
8229 | ||
8230 | #if HAVE_SYSV_COMPAT | |
8231 | _pure_ static int action_to_runlevel(void) { | |
8232 | ||
8233 | static const char table[_ACTION_MAX] = { | |
8234 | [ACTION_HALT] = '0', | |
8235 | [ACTION_POWEROFF] = '0', | |
8236 | [ACTION_REBOOT] = '6', | |
8237 | [ACTION_RUNLEVEL2] = '2', | |
8238 | [ACTION_RUNLEVEL3] = '3', | |
8239 | [ACTION_RUNLEVEL4] = '4', | |
8240 | [ACTION_RUNLEVEL5] = '5', | |
8241 | [ACTION_RESCUE] = '1' | |
8242 | }; | |
8243 | ||
8244 | assert(arg_action >= 0 && arg_action < _ACTION_MAX); | |
8245 | ||
8246 | return table[arg_action]; | |
8247 | } | |
8248 | #endif | |
8249 | ||
8250 | static int talk_initctl(void) { | |
8251 | #if HAVE_SYSV_COMPAT | |
8252 | struct init_request request = { | |
8253 | .magic = INIT_MAGIC, | |
8254 | .sleeptime = 0, | |
8255 | .cmd = INIT_CMD_RUNLVL | |
8256 | }; | |
8257 | ||
8258 | _cleanup_close_ int fd = -1; | |
8259 | char rl; | |
8260 | int r; | |
8261 | ||
8262 | rl = action_to_runlevel(); | |
8263 | if (!rl) | |
8264 | return 0; | |
8265 | ||
8266 | request.runlevel = rl; | |
8267 | ||
8268 | fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY); | |
8269 | if (fd < 0) { | |
8270 | if (errno == ENOENT) | |
8271 | return 0; | |
8272 | ||
8273 | return log_error_errno(errno, "Failed to open "INIT_FIFO": %m"); | |
8274 | } | |
8275 | ||
8276 | r = loop_write(fd, &request, sizeof(request), false); | |
8277 | if (r < 0) | |
8278 | return log_error_errno(r, "Failed to write to "INIT_FIFO": %m"); | |
8279 | ||
8280 | return 1; | |
8281 | #else | |
8282 | return 0; | |
8283 | #endif | |
8284 | } | |
8285 | ||
8286 | static int systemctl_main(int argc, char *argv[]) { | |
8287 | ||
8288 | static const Verb verbs[] = { | |
8289 | { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_NOCHROOT, list_units }, | |
8290 | { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files }, | |
8291 | { "list-sockets", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_sockets }, | |
8292 | { "list-timers", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_timers }, | |
8293 | { "list-jobs", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_jobs }, | |
8294 | { "list-machines", VERB_ANY, VERB_ANY, VERB_NOCHROOT, list_machines }, | |
8295 | { "clear-jobs", VERB_ANY, 1, VERB_NOCHROOT, trivial_method }, | |
8296 | { "cancel", VERB_ANY, VERB_ANY, VERB_NOCHROOT, cancel_job }, | |
8297 | { "start", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8298 | { "stop", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8299 | { "condstop", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with ALTLinux */ | |
8300 | { "reload", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8301 | { "restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8302 | { "try-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8303 | { "reload-or-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8304 | { "reload-or-try-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatbility with old systemctl <= 228 */ | |
8305 | { "try-reload-or-restart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, | |
8306 | { "force-reload", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with SysV */ | |
8307 | { "condreload", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with ALTLinux */ | |
8308 | { "condrestart", 2, VERB_ANY, VERB_NOCHROOT, start_unit }, /* For compatibility with RH */ | |
8309 | { "isolate", 2, 2, VERB_NOCHROOT, start_unit }, | |
8310 | { "kill", 2, VERB_ANY, VERB_NOCHROOT, kill_unit }, | |
8311 | { "is-active", 2, VERB_ANY, VERB_NOCHROOT, check_unit_active }, | |
8312 | { "check", 2, VERB_ANY, VERB_NOCHROOT, check_unit_active }, | |
8313 | { "is-failed", 2, VERB_ANY, VERB_NOCHROOT, check_unit_failed }, | |
8314 | { "show", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show }, | |
8315 | { "cat", 2, VERB_ANY, VERB_NOCHROOT, cat }, | |
8316 | { "status", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show }, | |
8317 | { "help", VERB_ANY, VERB_ANY, VERB_NOCHROOT, show }, | |
8318 | { "daemon-reload", VERB_ANY, 1, VERB_NOCHROOT, daemon_reload }, | |
8319 | { "daemon-reexec", VERB_ANY, 1, VERB_NOCHROOT, daemon_reload }, | |
8320 | { "show-environment", VERB_ANY, 1, VERB_NOCHROOT, show_environment }, | |
8321 | { "set-environment", 2, VERB_ANY, VERB_NOCHROOT, set_environment }, | |
8322 | { "unset-environment", 2, VERB_ANY, VERB_NOCHROOT, set_environment }, | |
8323 | { "import-environment", VERB_ANY, VERB_ANY, VERB_NOCHROOT, import_environment }, | |
8324 | { "halt", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8325 | { "poweroff", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8326 | { "reboot", VERB_ANY, 2, VERB_NOCHROOT, start_system_special }, | |
8327 | { "kexec", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8328 | { "suspend", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8329 | { "hibernate", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8330 | { "hybrid-sleep", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8331 | { "default", VERB_ANY, 1, VERB_NOCHROOT, start_special }, | |
8332 | { "rescue", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8333 | { "emergency", VERB_ANY, 1, VERB_NOCHROOT, start_system_special }, | |
8334 | { "exit", VERB_ANY, 2, VERB_NOCHROOT, start_special }, | |
8335 | { "reset-failed", VERB_ANY, VERB_ANY, VERB_NOCHROOT, reset_failed }, | |
8336 | { "enable", 2, VERB_ANY, 0, enable_unit }, | |
8337 | { "disable", 2, VERB_ANY, 0, enable_unit }, | |
8338 | { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled }, | |
8339 | { "reenable", 2, VERB_ANY, 0, enable_unit }, | |
8340 | { "preset", 2, VERB_ANY, 0, enable_unit }, | |
8341 | { "preset-all", VERB_ANY, 1, 0, preset_all }, | |
8342 | { "mask", 2, VERB_ANY, 0, enable_unit }, | |
8343 | { "unmask", 2, VERB_ANY, 0, enable_unit }, | |
8344 | { "link", 2, VERB_ANY, 0, enable_unit }, | |
8345 | { "revert", 2, VERB_ANY, 0, enable_unit }, | |
8346 | { "switch-root", 2, VERB_ANY, VERB_NOCHROOT, switch_root }, | |
8347 | { "list-dependencies", VERB_ANY, 2, VERB_NOCHROOT, list_dependencies }, | |
8348 | { "set-default", 2, 2, 0, set_default }, | |
8349 | { "get-default", VERB_ANY, 1, 0, get_default }, | |
8350 | { "set-property", 3, VERB_ANY, VERB_NOCHROOT, set_property }, | |
8351 | { "is-system-running", VERB_ANY, 1, 0, is_system_running }, | |
8352 | { "add-wants", 3, VERB_ANY, 0, add_dependency }, | |
8353 | { "add-requires", 3, VERB_ANY, 0, add_dependency }, | |
8354 | { "edit", 2, VERB_ANY, VERB_NOCHROOT, edit }, | |
8355 | {} | |
8356 | }; | |
8357 | ||
8358 | return dispatch_verb(argc, argv, verbs, NULL); | |
8359 | } | |
8360 | ||
8361 | static int reload_with_fallback(void) { | |
8362 | ||
8363 | /* First, try systemd via D-Bus. */ | |
8364 | if (daemon_reload(0, NULL, NULL) >= 0) | |
8365 | return 0; | |
8366 | ||
8367 | /* Nothing else worked, so let's try signals */ | |
8368 | assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC)); | |
8369 | ||
8370 | if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) | |
8371 | return log_error_errno(errno, "kill() failed: %m"); | |
8372 | ||
8373 | return 0; | |
8374 | } | |
8375 | ||
8376 | static int start_with_fallback(void) { | |
8377 | ||
8378 | /* First, try systemd via D-Bus. */ | |
8379 | if (start_unit(0, NULL, NULL) >= 0) | |
8380 | return 0; | |
8381 | ||
8382 | /* Nothing else worked, so let's try /dev/initctl */ | |
8383 | if (talk_initctl() > 0) | |
8384 | return 0; | |
8385 | ||
8386 | log_error("Failed to talk to init daemon."); | |
8387 | return -EIO; | |
8388 | } | |
8389 | ||
8390 | static int halt_now(enum action a) { | |
8391 | int r; | |
8392 | ||
8393 | /* The kernel will automaticall flush ATA disks and suchlike | |
8394 | * on reboot(), but the file systems need to be synce'd | |
8395 | * explicitly in advance. */ | |
8396 | if (!arg_no_sync) | |
8397 | (void) sync(); | |
8398 | ||
8399 | /* Make sure C-A-D is handled by the kernel from this point | |
8400 | * on... */ | |
8401 | (void) reboot(RB_ENABLE_CAD); | |
8402 | ||
8403 | switch (a) { | |
8404 | ||
8405 | case ACTION_HALT: | |
8406 | if (!arg_quiet) | |
8407 | log_info("Halting."); | |
8408 | (void) reboot(RB_HALT_SYSTEM); | |
8409 | return -errno; | |
8410 | ||
8411 | case ACTION_POWEROFF: | |
8412 | if (!arg_quiet) | |
8413 | log_info("Powering off."); | |
8414 | (void) reboot(RB_POWER_OFF); | |
8415 | return -errno; | |
8416 | ||
8417 | case ACTION_KEXEC: | |
8418 | case ACTION_REBOOT: { | |
8419 | _cleanup_free_ char *param = NULL; | |
8420 | ||
8421 | r = read_one_line_file("/run/systemd/reboot-param", ¶m); | |
8422 | if (r < 0 && r != -ENOENT) | |
8423 | log_warning_errno(r, "Failed to read reboot parameter file: %m"); | |
8424 | ||
8425 | if (!isempty(param)) { | |
8426 | if (!arg_quiet) | |
8427 | log_info("Rebooting with argument '%s'.", param); | |
8428 | (void) syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, LINUX_REBOOT_CMD_RESTART2, param); | |
8429 | log_warning_errno(errno, "Failed to reboot with parameter, retrying without: %m"); | |
8430 | } | |
8431 | ||
8432 | if (!arg_quiet) | |
8433 | log_info("Rebooting."); | |
8434 | (void) reboot(RB_AUTOBOOT); | |
8435 | return -errno; | |
8436 | } | |
8437 | ||
8438 | default: | |
8439 | assert_not_reached("Unknown action."); | |
8440 | } | |
8441 | } | |
8442 | ||
8443 | static int logind_schedule_shutdown(void) { | |
8444 | ||
8445 | #if ENABLE_LOGIND | |
8446 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
8447 | char date[FORMAT_TIMESTAMP_MAX]; | |
8448 | const char *action; | |
8449 | sd_bus *bus; | |
8450 | int r; | |
8451 | ||
8452 | r = acquire_bus(BUS_FULL, &bus); | |
8453 | if (r < 0) | |
8454 | return r; | |
8455 | ||
8456 | switch (arg_action) { | |
8457 | case ACTION_HALT: | |
8458 | action = "halt"; | |
8459 | break; | |
8460 | case ACTION_POWEROFF: | |
8461 | action = "poweroff"; | |
8462 | break; | |
8463 | case ACTION_KEXEC: | |
8464 | action = "kexec"; | |
8465 | break; | |
8466 | case ACTION_EXIT: | |
8467 | action = "exit"; | |
8468 | break; | |
8469 | case ACTION_REBOOT: | |
8470 | default: | |
8471 | action = "reboot"; | |
8472 | break; | |
8473 | } | |
8474 | ||
8475 | if (arg_dry) | |
8476 | action = strjoina("dry-", action); | |
8477 | ||
8478 | (void) logind_set_wall_message(); | |
8479 | ||
8480 | r = sd_bus_call_method( | |
8481 | bus, | |
8482 | "org.freedesktop.login1", | |
8483 | "/org/freedesktop/login1", | |
8484 | "org.freedesktop.login1.Manager", | |
8485 | "ScheduleShutdown", | |
8486 | &error, | |
8487 | NULL, | |
8488 | "st", | |
8489 | action, | |
8490 | arg_when); | |
8491 | if (r < 0) | |
8492 | return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r)); | |
8493 | ||
8494 | if (!arg_quiet) | |
8495 | log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when)); | |
8496 | return 0; | |
8497 | #else | |
8498 | log_error("Cannot schedule shutdown without logind support, proceeding with immediate shutdown."); | |
8499 | return -ENOSYS; | |
8500 | #endif | |
8501 | } | |
8502 | ||
8503 | static int halt_main(void) { | |
8504 | int r; | |
8505 | ||
8506 | r = logind_check_inhibitors(arg_action); | |
8507 | if (r < 0) | |
8508 | return r; | |
8509 | ||
8510 | if (arg_when > 0) | |
8511 | return logind_schedule_shutdown(); | |
8512 | ||
8513 | if (geteuid() != 0) { | |
8514 | if (arg_dry || arg_force > 0) { | |
8515 | log_error("Must be root."); | |
8516 | return -EPERM; | |
8517 | } | |
8518 | ||
8519 | /* Try logind if we are a normal user and no special | |
8520 | * mode applies. Maybe PolicyKit allows us to shutdown | |
8521 | * the machine. */ | |
8522 | if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) { | |
8523 | r = logind_reboot(arg_action); | |
8524 | if (r >= 0) | |
8525 | return r; | |
8526 | if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS)) | |
8527 | /* requested operation is not | |
8528 | * supported on the local system or | |
8529 | * already in progress */ | |
8530 | return r; | |
8531 | /* on all other errors, try low-level operation */ | |
8532 | } | |
8533 | } | |
8534 | ||
8535 | if (!arg_dry && !arg_force) | |
8536 | return start_with_fallback(); | |
8537 | ||
8538 | assert(geteuid() == 0); | |
8539 | ||
8540 | if (!arg_no_wtmp) { | |
8541 | if (sd_booted() > 0) | |
8542 | log_debug("Not writing utmp record, assuming that systemd-update-utmp is used."); | |
8543 | else { | |
8544 | r = utmp_put_shutdown(); | |
8545 | if (r < 0) | |
8546 | log_warning_errno(r, "Failed to write utmp record: %m"); | |
8547 | } | |
8548 | } | |
8549 | ||
8550 | if (arg_dry) | |
8551 | return 0; | |
8552 | ||
8553 | r = halt_now(arg_action); | |
8554 | return log_error_errno(r, "Failed to reboot: %m"); | |
8555 | } | |
8556 | ||
8557 | static int runlevel_main(void) { | |
8558 | int r, runlevel, previous; | |
8559 | ||
8560 | r = utmp_get_runlevel(&runlevel, &previous); | |
8561 | if (r < 0) { | |
8562 | puts("unknown"); | |
8563 | return r; | |
8564 | } | |
8565 | ||
8566 | printf("%c %c\n", | |
8567 | previous <= 0 ? 'N' : previous, | |
8568 | runlevel <= 0 ? 'N' : runlevel); | |
8569 | ||
8570 | return 0; | |
8571 | } | |
8572 | ||
8573 | static int logind_cancel_shutdown(void) { | |
8574 | #if ENABLE_LOGIND | |
8575 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
8576 | sd_bus *bus; | |
8577 | int r; | |
8578 | ||
8579 | r = acquire_bus(BUS_FULL, &bus); | |
8580 | if (r < 0) | |
8581 | return r; | |
8582 | ||
8583 | (void) logind_set_wall_message(); | |
8584 | ||
8585 | r = sd_bus_call_method( | |
8586 | bus, | |
8587 | "org.freedesktop.login1", | |
8588 | "/org/freedesktop/login1", | |
8589 | "org.freedesktop.login1.Manager", | |
8590 | "CancelScheduledShutdown", | |
8591 | &error, | |
8592 | NULL, NULL); | |
8593 | if (r < 0) | |
8594 | return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r)); | |
8595 | ||
8596 | return 0; | |
8597 | #else | |
8598 | log_error("Not compiled with logind support, cannot cancel scheduled shutdowns."); | |
8599 | return -ENOSYS; | |
8600 | #endif | |
8601 | } | |
8602 | ||
8603 | int main(int argc, char*argv[]) { | |
8604 | int r; | |
8605 | ||
8606 | argv_cmdline = argv[0]; | |
8607 | ||
8608 | setlocale(LC_ALL, ""); | |
8609 | log_parse_environment(); | |
8610 | log_open(); | |
8611 | sigbus_install(); | |
8612 | ||
8613 | /* Explicitly not on_tty() to avoid setting cached value. | |
8614 | * This becomes relevant for piping output which might be | |
8615 | * ellipsized. */ | |
8616 | original_stdout_is_tty = isatty(STDOUT_FILENO); | |
8617 | ||
8618 | r = parse_argv(argc, argv); | |
8619 | if (r <= 0) | |
8620 | goto finish; | |
8621 | ||
8622 | if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) { | |
8623 | ||
8624 | if (!arg_quiet) | |
8625 | log_info("Running in chroot, ignoring request."); | |
8626 | r = 0; | |
8627 | goto finish; | |
8628 | } | |
8629 | ||
8630 | /* systemctl_main() will print an error message for the bus | |
8631 | * connection, but only if it needs to */ | |
8632 | ||
8633 | switch (arg_action) { | |
8634 | ||
8635 | case ACTION_SYSTEMCTL: | |
8636 | r = systemctl_main(argc, argv); | |
8637 | break; | |
8638 | ||
8639 | /* Legacy command aliases set arg_action. They provide some fallbacks, | |
8640 | * e.g. to tell sysvinit to reboot after you have installed systemd | |
8641 | * binaries. */ | |
8642 | ||
8643 | case ACTION_HALT: | |
8644 | case ACTION_POWEROFF: | |
8645 | case ACTION_REBOOT: | |
8646 | case ACTION_KEXEC: | |
8647 | r = halt_main(); | |
8648 | break; | |
8649 | ||
8650 | case ACTION_RUNLEVEL2: | |
8651 | case ACTION_RUNLEVEL3: | |
8652 | case ACTION_RUNLEVEL4: | |
8653 | case ACTION_RUNLEVEL5: | |
8654 | case ACTION_RESCUE: | |
8655 | r = start_with_fallback(); | |
8656 | break; | |
8657 | ||
8658 | case ACTION_RELOAD: | |
8659 | case ACTION_REEXEC: | |
8660 | r = reload_with_fallback(); | |
8661 | break; | |
8662 | ||
8663 | case ACTION_CANCEL_SHUTDOWN: | |
8664 | r = logind_cancel_shutdown(); | |
8665 | break; | |
8666 | ||
8667 | case ACTION_RUNLEVEL: | |
8668 | r = runlevel_main(); | |
8669 | break; | |
8670 | ||
8671 | case ACTION_EXIT: | |
8672 | case ACTION_SUSPEND: | |
8673 | case ACTION_HIBERNATE: | |
8674 | case ACTION_HYBRID_SLEEP: | |
8675 | case ACTION_EMERGENCY: | |
8676 | case ACTION_DEFAULT: | |
8677 | /* systemctl verbs with no equivalent in the legacy commands. | |
8678 | * These cannot appear in arg_action. Fall through. */ | |
8679 | ||
8680 | case _ACTION_INVALID: | |
8681 | default: | |
8682 | assert_not_reached("Unknown action"); | |
8683 | } | |
8684 | ||
8685 | finish: | |
8686 | release_busses(); | |
8687 | ||
8688 | pager_close(); | |
8689 | ask_password_agent_close(); | |
8690 | polkit_agent_close(); | |
8691 | ||
8692 | strv_free(arg_types); | |
8693 | strv_free(arg_states); | |
8694 | strv_free(arg_properties); | |
8695 | ||
8696 | strv_free(arg_wall); | |
8697 | free(arg_root); | |
8698 | ||
8699 | /* Note that we return r here, not EXIT_SUCCESS, so that we can implement the LSB-like return codes */ | |
8700 | return r < 0 ? EXIT_FAILURE : r; | |
8701 | } |