]>
Commit | Line | Data |
---|---|---|
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | Copyright 2013 Marc-Antoine Perennou | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | #include <sys/reboot.h> | |
24 | #include <linux/reboot.h> | |
25 | #include <sys/syscall.h> | |
26 | #include <stdio.h> | |
27 | #include <getopt.h> | |
28 | #include <locale.h> | |
29 | #include <stdbool.h> | |
30 | #include <string.h> | |
31 | #include <errno.h> | |
32 | #include <sys/ioctl.h> | |
33 | #include <termios.h> | |
34 | #include <unistd.h> | |
35 | #include <fcntl.h> | |
36 | #include <sys/socket.h> | |
37 | #include <sys/stat.h> | |
38 | #include <stddef.h> | |
39 | #include <sys/prctl.h> | |
40 | #include <fnmatch.h> | |
41 | ||
42 | #include "sd-daemon.h" | |
43 | #include "sd-shutdown.h" | |
44 | #include "sd-login.h" | |
45 | #include "sd-bus.h" | |
46 | #include "log.h" | |
47 | #include "util.h" | |
48 | #include "macro.h" | |
49 | #include "set.h" | |
50 | #include "utmp-wtmp.h" | |
51 | #include "special.h" | |
52 | #include "initreq.h" | |
53 | #include "path-util.h" | |
54 | #include "strv.h" | |
55 | #include "cgroup-show.h" | |
56 | #include "cgroup-util.h" | |
57 | #include "list.h" | |
58 | #include "path-lookup.h" | |
59 | #include "conf-parser.h" | |
60 | #include "exit-status.h" | |
61 | #include "build.h" | |
62 | #include "unit-name.h" | |
63 | #include "pager.h" | |
64 | #include "spawn-ask-password-agent.h" | |
65 | #include "spawn-polkit-agent.h" | |
66 | #include "install.h" | |
67 | #include "logs-show.h" | |
68 | #include "socket-util.h" | |
69 | #include "fileio.h" | |
70 | #include "copy.h" | |
71 | #include "env-util.h" | |
72 | #include "bus-util.h" | |
73 | #include "bus-message.h" | |
74 | #include "bus-error.h" | |
75 | #include "bus-common-errors.h" | |
76 | #include "mkdir.h" | |
77 | #include "dropin.h" | |
78 | ||
79 | static char **arg_types = NULL; | |
80 | static char **arg_states = NULL; | |
81 | static char **arg_properties = NULL; | |
82 | static bool arg_all = false; | |
83 | static enum dependency { | |
84 | DEPENDENCY_FORWARD, | |
85 | DEPENDENCY_REVERSE, | |
86 | DEPENDENCY_AFTER, | |
87 | DEPENDENCY_BEFORE, | |
88 | _DEPENDENCY_MAX | |
89 | } arg_dependency = DEPENDENCY_FORWARD; | |
90 | static const char *arg_job_mode = "replace"; | |
91 | static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; | |
92 | static bool arg_no_block = false; | |
93 | static bool arg_no_legend = false; | |
94 | static bool arg_no_pager = false; | |
95 | static bool arg_no_wtmp = false; | |
96 | static bool arg_no_wall = false; | |
97 | static bool arg_no_reload = false; | |
98 | static bool arg_show_types = false; | |
99 | static bool arg_ignore_inhibitors = false; | |
100 | static bool arg_dry = false; | |
101 | static bool arg_quiet = false; | |
102 | static bool arg_full = false; | |
103 | static bool arg_recursive = false; | |
104 | static int arg_force = 0; | |
105 | static bool arg_ask_password = true; | |
106 | static bool arg_runtime = false; | |
107 | static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL; | |
108 | static char **arg_wall = NULL; | |
109 | static const char *arg_kill_who = NULL; | |
110 | static int arg_signal = SIGTERM; | |
111 | static const char *arg_root = NULL; | |
112 | static usec_t arg_when = 0; | |
113 | static enum action { | |
114 | _ACTION_INVALID, | |
115 | ACTION_SYSTEMCTL, | |
116 | ACTION_HALT, | |
117 | ACTION_POWEROFF, | |
118 | ACTION_REBOOT, | |
119 | ACTION_KEXEC, | |
120 | ACTION_EXIT, | |
121 | ACTION_SUSPEND, | |
122 | ACTION_HIBERNATE, | |
123 | ACTION_HYBRID_SLEEP, | |
124 | ACTION_RUNLEVEL2, | |
125 | ACTION_RUNLEVEL3, | |
126 | ACTION_RUNLEVEL4, | |
127 | ACTION_RUNLEVEL5, | |
128 | ACTION_RESCUE, | |
129 | ACTION_EMERGENCY, | |
130 | ACTION_DEFAULT, | |
131 | ACTION_RELOAD, | |
132 | ACTION_REEXEC, | |
133 | ACTION_RUNLEVEL, | |
134 | ACTION_CANCEL_SHUTDOWN, | |
135 | _ACTION_MAX | |
136 | } arg_action = ACTION_SYSTEMCTL; | |
137 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
138 | static char *arg_host = NULL; | |
139 | static unsigned arg_lines = 10; | |
140 | static OutputMode arg_output = OUTPUT_SHORT; | |
141 | static bool arg_plain = false; | |
142 | ||
143 | static bool original_stdout_is_tty; | |
144 | ||
145 | static int daemon_reload(sd_bus *bus, char **args); | |
146 | static int halt_now(enum action a); | |
147 | static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet); | |
148 | ||
149 | static char** strv_skip_first(char **strv) { | |
150 | if (strv_length(strv) > 0) | |
151 | return strv + 1; | |
152 | return NULL; | |
153 | } | |
154 | ||
155 | static void pager_open_if_enabled(void) { | |
156 | ||
157 | if (arg_no_pager) | |
158 | return; | |
159 | ||
160 | pager_open(false); | |
161 | } | |
162 | ||
163 | static void ask_password_agent_open_if_enabled(void) { | |
164 | ||
165 | /* Open the password agent as a child process if necessary */ | |
166 | ||
167 | if (!arg_ask_password) | |
168 | return; | |
169 | ||
170 | if (arg_scope != UNIT_FILE_SYSTEM) | |
171 | return; | |
172 | ||
173 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
174 | return; | |
175 | ||
176 | ask_password_agent_open(); | |
177 | } | |
178 | ||
179 | static void polkit_agent_open_if_enabled(void) { | |
180 | ||
181 | /* Open the polkit agent as a child process if necessary */ | |
182 | ||
183 | if (!arg_ask_password) | |
184 | return; | |
185 | ||
186 | if (arg_scope != UNIT_FILE_SYSTEM) | |
187 | return; | |
188 | ||
189 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
190 | return; | |
191 | ||
192 | polkit_agent_open(); | |
193 | } | |
194 | ||
195 | static OutputFlags get_output_flags(void) { | |
196 | return | |
197 | arg_all * OUTPUT_SHOW_ALL | | |
198 | arg_full * OUTPUT_FULL_WIDTH | | |
199 | (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | | |
200 | on_tty() * OUTPUT_COLOR | | |
201 | !arg_quiet * OUTPUT_WARN_CUTOFF; | |
202 | } | |
203 | ||
204 | static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) { | |
205 | assert(error); | |
206 | ||
207 | if (!sd_bus_error_is_set(error)) | |
208 | return r; | |
209 | ||
210 | if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) || | |
211 | sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) || | |
212 | sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) || | |
213 | sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE)) | |
214 | return EXIT_NOPERMISSION; | |
215 | ||
216 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT)) | |
217 | return EXIT_NOTINSTALLED; | |
218 | ||
219 | if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) || | |
220 | sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED)) | |
221 | return EXIT_NOTIMPLEMENTED; | |
222 | ||
223 | if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) | |
224 | return EXIT_NOTCONFIGURED; | |
225 | ||
226 | if (r != 0) | |
227 | return r; | |
228 | ||
229 | return EXIT_FAILURE; | |
230 | } | |
231 | ||
232 | static void warn_wall(enum action a) { | |
233 | static const char *table[_ACTION_MAX] = { | |
234 | [ACTION_HALT] = "The system is going down for system halt NOW!", | |
235 | [ACTION_REBOOT] = "The system is going down for reboot NOW!", | |
236 | [ACTION_POWEROFF] = "The system is going down for power-off NOW!", | |
237 | [ACTION_KEXEC] = "The system is going down for kexec reboot NOW!", | |
238 | [ACTION_RESCUE] = "The system is going down to rescue mode NOW!", | |
239 | [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!", | |
240 | [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!" | |
241 | }; | |
242 | ||
243 | if (arg_no_wall) | |
244 | return; | |
245 | ||
246 | if (arg_wall) { | |
247 | _cleanup_free_ char *p; | |
248 | ||
249 | p = strv_join(arg_wall, " "); | |
250 | if (!p) { | |
251 | log_oom(); | |
252 | return; | |
253 | } | |
254 | ||
255 | if (*p) { | |
256 | utmp_wall(p, NULL, NULL); | |
257 | return; | |
258 | } | |
259 | } | |
260 | ||
261 | if (!table[a]) | |
262 | return; | |
263 | ||
264 | utmp_wall(table[a], NULL, NULL); | |
265 | } | |
266 | ||
267 | static bool avoid_bus(void) { | |
268 | ||
269 | if (running_in_chroot() > 0) | |
270 | return true; | |
271 | ||
272 | if (sd_booted() <= 0) | |
273 | return true; | |
274 | ||
275 | if (!isempty(arg_root)) | |
276 | return true; | |
277 | ||
278 | if (arg_scope == UNIT_FILE_GLOBAL) | |
279 | return true; | |
280 | ||
281 | return false; | |
282 | } | |
283 | ||
284 | static int compare_unit_info(const void *a, const void *b) { | |
285 | const UnitInfo *u = a, *v = b; | |
286 | const char *d1, *d2; | |
287 | int r; | |
288 | ||
289 | /* First, order by machine */ | |
290 | if (!u->machine && v->machine) | |
291 | return -1; | |
292 | if (u->machine && !v->machine) | |
293 | return 1; | |
294 | if (u->machine && v->machine) { | |
295 | r = strcasecmp(u->machine, v->machine); | |
296 | if (r != 0) | |
297 | return r; | |
298 | } | |
299 | ||
300 | /* Second, order by unit type */ | |
301 | d1 = strrchr(u->id, '.'); | |
302 | d2 = strrchr(v->id, '.'); | |
303 | if (d1 && d2) { | |
304 | r = strcasecmp(d1, d2); | |
305 | if (r != 0) | |
306 | return r; | |
307 | } | |
308 | ||
309 | /* Third, order by name */ | |
310 | return strcasecmp(u->id, v->id); | |
311 | } | |
312 | ||
313 | static bool output_show_unit(const UnitInfo *u, char **patterns) { | |
314 | if (!strv_isempty(patterns)) { | |
315 | char **pattern; | |
316 | ||
317 | STRV_FOREACH(pattern, patterns) | |
318 | if (fnmatch(*pattern, u->id, FNM_NOESCAPE) == 0) | |
319 | goto next; | |
320 | return false; | |
321 | } | |
322 | ||
323 | next: | |
324 | if (arg_types) { | |
325 | const char *dot; | |
326 | ||
327 | dot = strrchr(u->id, '.'); | |
328 | if (!dot) | |
329 | return false; | |
330 | ||
331 | if (!strv_find(arg_types, dot+1)) | |
332 | return false; | |
333 | } | |
334 | ||
335 | if (arg_all) | |
336 | return true; | |
337 | ||
338 | if (u->job_id > 0) | |
339 | return true; | |
340 | ||
341 | if (streq(u->active_state, "inactive") || u->following[0]) | |
342 | return false; | |
343 | ||
344 | return true; | |
345 | } | |
346 | ||
347 | static int output_units_list(const UnitInfo *unit_infos, unsigned c) { | |
348 | unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len; | |
349 | const UnitInfo *u; | |
350 | unsigned n_shown = 0; | |
351 | int job_count = 0; | |
352 | ||
353 | max_id_len = strlen("UNIT"); | |
354 | load_len = strlen("LOAD"); | |
355 | active_len = strlen("ACTIVE"); | |
356 | sub_len = strlen("SUB"); | |
357 | job_len = strlen("JOB"); | |
358 | desc_len = 0; | |
359 | ||
360 | for (u = unit_infos; u < unit_infos + c; u++) { | |
361 | max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0)); | |
362 | load_len = MAX(load_len, strlen(u->load_state)); | |
363 | active_len = MAX(active_len, strlen(u->active_state)); | |
364 | sub_len = MAX(sub_len, strlen(u->sub_state)); | |
365 | ||
366 | if (u->job_id != 0) { | |
367 | job_len = MAX(job_len, strlen(u->job_type)); | |
368 | job_count++; | |
369 | } | |
370 | ||
371 | if (!arg_no_legend && | |
372 | (streq(u->active_state, "failed") || | |
373 | STR_IN_SET(u->load_state, "error", "not-found", "masked"))) | |
374 | circle_len = 2; | |
375 | } | |
376 | ||
377 | if (!arg_full && original_stdout_is_tty) { | |
378 | unsigned basic_len; | |
379 | ||
380 | id_len = MIN(max_id_len, 25u); | |
381 | basic_len = circle_len + 5 + id_len + 5 + active_len + sub_len; | |
382 | ||
383 | if (job_count) | |
384 | basic_len += job_len + 1; | |
385 | ||
386 | if (basic_len < (unsigned) columns()) { | |
387 | unsigned extra_len, incr; | |
388 | extra_len = columns() - basic_len; | |
389 | ||
390 | /* Either UNIT already got 25, or is fully satisfied. | |
391 | * Grant up to 25 to DESC now. */ | |
392 | incr = MIN(extra_len, 25u); | |
393 | desc_len += incr; | |
394 | extra_len -= incr; | |
395 | ||
396 | /* split the remaining space between UNIT and DESC, | |
397 | * but do not give UNIT more than it needs. */ | |
398 | if (extra_len > 0) { | |
399 | incr = MIN(extra_len / 2, max_id_len - id_len); | |
400 | id_len += incr; | |
401 | desc_len += extra_len - incr; | |
402 | } | |
403 | } | |
404 | } else | |
405 | id_len = max_id_len; | |
406 | ||
407 | for (u = unit_infos; u < unit_infos + c; u++) { | |
408 | _cleanup_free_ char *e = NULL, *j = NULL; | |
409 | const char *on_loaded = "", *off_loaded = ""; | |
410 | const char *on_active = "", *off_active = ""; | |
411 | const char *on_circle = "", *off_circle = ""; | |
412 | const char *id; | |
413 | bool circle = false; | |
414 | ||
415 | if (!n_shown && !arg_no_legend) { | |
416 | ||
417 | if (circle_len > 0) | |
418 | fputs(" ", stdout); | |
419 | ||
420 | printf("%-*s %-*s %-*s %-*s ", | |
421 | id_len, "UNIT", | |
422 | load_len, "LOAD", | |
423 | active_len, "ACTIVE", | |
424 | sub_len, "SUB"); | |
425 | ||
426 | if (job_count) | |
427 | printf("%-*s ", job_len, "JOB"); | |
428 | ||
429 | if (!arg_full && arg_no_pager) | |
430 | printf("%.*s\n", desc_len, "DESCRIPTION"); | |
431 | else | |
432 | printf("%s\n", "DESCRIPTION"); | |
433 | } | |
434 | ||
435 | n_shown++; | |
436 | ||
437 | if (STR_IN_SET(u->load_state, "error", "not-found", "masked") && !arg_plain) { | |
438 | on_loaded = ansi_highlight_red(); | |
439 | on_circle = ansi_highlight_yellow(); | |
440 | off_loaded = off_circle = ansi_highlight_off(); | |
441 | circle = true; | |
442 | } else if (streq(u->active_state, "failed") && !arg_plain) { | |
443 | on_circle = on_active = ansi_highlight_red(); | |
444 | off_circle = off_active = ansi_highlight_off(); | |
445 | circle = true; | |
446 | } | |
447 | ||
448 | if (u->machine) { | |
449 | j = strjoin(u->machine, ":", u->id, NULL); | |
450 | if (!j) | |
451 | return log_oom(); | |
452 | ||
453 | id = j; | |
454 | } else | |
455 | id = u->id; | |
456 | ||
457 | if (arg_full) { | |
458 | e = ellipsize(id, id_len, 33); | |
459 | if (!e) | |
460 | return log_oom(); | |
461 | ||
462 | id = e; | |
463 | } | |
464 | ||
465 | if (circle_len > 0) | |
466 | printf("%s%s%s ", on_circle, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_circle); | |
467 | ||
468 | printf("%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s", | |
469 | on_active, id_len, id, off_active, | |
470 | on_loaded, load_len, u->load_state, off_loaded, | |
471 | on_active, active_len, u->active_state, | |
472 | sub_len, u->sub_state, off_active, | |
473 | job_count ? job_len + 1 : 0, u->job_id ? u->job_type : ""); | |
474 | ||
475 | if (desc_len > 0) | |
476 | printf("%.*s\n", desc_len, u->description); | |
477 | else | |
478 | printf("%s\n", u->description); | |
479 | } | |
480 | ||
481 | if (!arg_no_legend) { | |
482 | const char *on, *off; | |
483 | ||
484 | if (n_shown) { | |
485 | puts("\n" | |
486 | "LOAD = Reflects whether the unit definition was properly loaded.\n" | |
487 | "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" | |
488 | "SUB = The low-level unit activation state, values depend on unit type."); | |
489 | puts(job_count ? "JOB = Pending job for the unit.\n" : ""); | |
490 | on = ansi_highlight(); | |
491 | off = ansi_highlight_off(); | |
492 | } else { | |
493 | on = ansi_highlight_red(); | |
494 | off = ansi_highlight_off(); | |
495 | } | |
496 | ||
497 | if (arg_all) | |
498 | printf("%s%u loaded units listed.%s\n" | |
499 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
500 | on, n_shown, off); | |
501 | else | |
502 | printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n" | |
503 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
504 | on, n_shown, off); | |
505 | } | |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
510 | static int get_unit_list( | |
511 | sd_bus *bus, | |
512 | const char *machine, | |
513 | char **patterns, | |
514 | UnitInfo **unit_infos, | |
515 | int c, | |
516 | sd_bus_message **_reply) { | |
517 | ||
518 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
519 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
520 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
521 | size_t size = c; | |
522 | int r; | |
523 | UnitInfo u; | |
524 | ||
525 | assert(bus); | |
526 | assert(unit_infos); | |
527 | assert(_reply); | |
528 | ||
529 | r = sd_bus_message_new_method_call( | |
530 | bus, | |
531 | &m, | |
532 | "org.freedesktop.systemd1", | |
533 | "/org/freedesktop/systemd1", | |
534 | "org.freedesktop.systemd1.Manager", | |
535 | "ListUnitsFiltered"); | |
536 | ||
537 | if (r < 0) | |
538 | return bus_log_create_error(r); | |
539 | ||
540 | r = sd_bus_message_append_strv(m, arg_states); | |
541 | if (r < 0) | |
542 | return bus_log_create_error(r); | |
543 | ||
544 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
545 | if (r < 0) { | |
546 | log_error("Failed to list units: %s", bus_error_message(&error, r)); | |
547 | return r; | |
548 | } | |
549 | ||
550 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
551 | if (r < 0) | |
552 | return bus_log_parse_error(r); | |
553 | ||
554 | while ((r = bus_parse_unit_info(reply, &u)) > 0) { | |
555 | u.machine = machine; | |
556 | ||
557 | if (!output_show_unit(&u, patterns)) | |
558 | continue; | |
559 | ||
560 | if (!GREEDY_REALLOC(*unit_infos, size, c+1)) | |
561 | return log_oom(); | |
562 | ||
563 | (*unit_infos)[c++] = u; | |
564 | } | |
565 | if (r < 0) | |
566 | return bus_log_parse_error(r); | |
567 | ||
568 | r = sd_bus_message_exit_container(reply); | |
569 | if (r < 0) | |
570 | return bus_log_parse_error(r); | |
571 | ||
572 | *_reply = reply; | |
573 | reply = NULL; | |
574 | ||
575 | return c; | |
576 | } | |
577 | ||
578 | static void message_set_freep(Set **set) { | |
579 | sd_bus_message *m; | |
580 | ||
581 | while ((m = set_steal_first(*set))) | |
582 | sd_bus_message_unref(m); | |
583 | ||
584 | set_free(*set); | |
585 | } | |
586 | ||
587 | static int get_unit_list_recursive( | |
588 | sd_bus *bus, | |
589 | char **patterns, | |
590 | UnitInfo **_unit_infos, | |
591 | Set **_replies, | |
592 | char ***_machines) { | |
593 | ||
594 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
595 | _cleanup_(message_set_freep) Set *replies; | |
596 | sd_bus_message *reply; | |
597 | int c, r; | |
598 | ||
599 | assert(bus); | |
600 | assert(_replies); | |
601 | assert(_unit_infos); | |
602 | assert(_machines); | |
603 | ||
604 | replies = set_new(NULL); | |
605 | if (!replies) | |
606 | return log_oom(); | |
607 | ||
608 | c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); | |
609 | if (c < 0) | |
610 | return c; | |
611 | ||
612 | r = set_put(replies, reply); | |
613 | if (r < 0) { | |
614 | sd_bus_message_unref(reply); | |
615 | return r; | |
616 | } | |
617 | ||
618 | if (arg_recursive) { | |
619 | _cleanup_strv_free_ char **machines = NULL; | |
620 | char **i; | |
621 | ||
622 | r = sd_get_machine_names(&machines); | |
623 | if (r < 0) | |
624 | return r; | |
625 | ||
626 | STRV_FOREACH(i, machines) { | |
627 | _cleanup_bus_close_unref_ sd_bus *container = NULL; | |
628 | int k; | |
629 | ||
630 | r = sd_bus_open_system_machine(&container, *i); | |
631 | if (r < 0) { | |
632 | log_error_errno(r, "Failed to connect to container %s: %m", *i); | |
633 | continue; | |
634 | } | |
635 | ||
636 | k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply); | |
637 | if (k < 0) | |
638 | return k; | |
639 | ||
640 | c = k; | |
641 | ||
642 | r = set_put(replies, reply); | |
643 | if (r < 0) { | |
644 | sd_bus_message_unref(reply); | |
645 | return r; | |
646 | } | |
647 | } | |
648 | ||
649 | *_machines = machines; | |
650 | machines = NULL; | |
651 | } else | |
652 | *_machines = NULL; | |
653 | ||
654 | *_unit_infos = unit_infos; | |
655 | unit_infos = NULL; | |
656 | ||
657 | *_replies = replies; | |
658 | replies = NULL; | |
659 | ||
660 | return c; | |
661 | } | |
662 | ||
663 | static int list_units(sd_bus *bus, char **args) { | |
664 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
665 | _cleanup_(message_set_freep) Set *replies = NULL; | |
666 | _cleanup_strv_free_ char **machines = NULL; | |
667 | int r; | |
668 | ||
669 | pager_open_if_enabled(); | |
670 | ||
671 | r = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); | |
672 | if (r < 0) | |
673 | return r; | |
674 | ||
675 | qsort_safe(unit_infos, r, sizeof(UnitInfo), compare_unit_info); | |
676 | return output_units_list(unit_infos, r); | |
677 | } | |
678 | ||
679 | static int get_triggered_units( | |
680 | sd_bus *bus, | |
681 | const char* path, | |
682 | char*** ret) { | |
683 | ||
684 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
685 | int r; | |
686 | ||
687 | r = sd_bus_get_property_strv( | |
688 | bus, | |
689 | "org.freedesktop.systemd1", | |
690 | path, | |
691 | "org.freedesktop.systemd1.Unit", | |
692 | "Triggers", | |
693 | &error, | |
694 | ret); | |
695 | ||
696 | if (r < 0) | |
697 | log_error("Failed to determine triggers: %s", bus_error_message(&error, r)); | |
698 | ||
699 | return 0; | |
700 | } | |
701 | ||
702 | static int get_listening( | |
703 | sd_bus *bus, | |
704 | const char* unit_path, | |
705 | char*** listening) { | |
706 | ||
707 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
708 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
709 | const char *type, *path; | |
710 | int r, n = 0; | |
711 | ||
712 | r = sd_bus_get_property( | |
713 | bus, | |
714 | "org.freedesktop.systemd1", | |
715 | unit_path, | |
716 | "org.freedesktop.systemd1.Socket", | |
717 | "Listen", | |
718 | &error, | |
719 | &reply, | |
720 | "a(ss)"); | |
721 | if (r < 0) { | |
722 | log_error("Failed to get list of listening sockets: %s", bus_error_message(&error, r)); | |
723 | return r; | |
724 | } | |
725 | ||
726 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
727 | if (r < 0) | |
728 | return bus_log_parse_error(r); | |
729 | ||
730 | while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) { | |
731 | ||
732 | r = strv_extend(listening, type); | |
733 | if (r < 0) | |
734 | return log_oom(); | |
735 | ||
736 | r = strv_extend(listening, path); | |
737 | if (r < 0) | |
738 | return log_oom(); | |
739 | ||
740 | n++; | |
741 | } | |
742 | if (r < 0) | |
743 | return bus_log_parse_error(r); | |
744 | ||
745 | r = sd_bus_message_exit_container(reply); | |
746 | if (r < 0) | |
747 | return bus_log_parse_error(r); | |
748 | ||
749 | return n; | |
750 | } | |
751 | ||
752 | struct socket_info { | |
753 | const char *machine; | |
754 | const char* id; | |
755 | ||
756 | char* type; | |
757 | char* path; | |
758 | ||
759 | /* Note: triggered is a list here, although it almost certainly | |
760 | * will always be one unit. Nevertheless, dbus API allows for multiple | |
761 | * values, so let's follow that. */ | |
762 | char** triggered; | |
763 | ||
764 | /* The strv above is shared. free is set only in the first one. */ | |
765 | bool own_triggered; | |
766 | }; | |
767 | ||
768 | static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) { | |
769 | int o; | |
770 | ||
771 | assert(a); | |
772 | assert(b); | |
773 | ||
774 | if (!a->machine && b->machine) | |
775 | return -1; | |
776 | if (a->machine && !b->machine) | |
777 | return 1; | |
778 | if (a->machine && b->machine) { | |
779 | o = strcasecmp(a->machine, b->machine); | |
780 | if (o != 0) | |
781 | return o; | |
782 | } | |
783 | ||
784 | o = strcmp(a->path, b->path); | |
785 | if (o == 0) | |
786 | o = strcmp(a->type, b->type); | |
787 | ||
788 | return o; | |
789 | } | |
790 | ||
791 | static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { | |
792 | struct socket_info *s; | |
793 | unsigned pathlen = strlen("LISTEN"), | |
794 | typelen = strlen("TYPE") * arg_show_types, | |
795 | socklen = strlen("UNIT"), | |
796 | servlen = strlen("ACTIVATES"); | |
797 | const char *on, *off; | |
798 | ||
799 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
800 | unsigned tmp = 0; | |
801 | char **a; | |
802 | ||
803 | socklen = MAX(socklen, strlen(s->id)); | |
804 | if (arg_show_types) | |
805 | typelen = MAX(typelen, strlen(s->type)); | |
806 | pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0)); | |
807 | ||
808 | STRV_FOREACH(a, s->triggered) | |
809 | tmp += strlen(*a) + 2*(a != s->triggered); | |
810 | servlen = MAX(servlen, tmp); | |
811 | } | |
812 | ||
813 | if (cs) { | |
814 | if (!arg_no_legend) | |
815 | printf("%-*s %-*.*s%-*s %s\n", | |
816 | pathlen, "LISTEN", | |
817 | typelen + arg_show_types, typelen + arg_show_types, "TYPE ", | |
818 | socklen, "UNIT", | |
819 | "ACTIVATES"); | |
820 | ||
821 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
822 | _cleanup_free_ char *j = NULL; | |
823 | const char *path; | |
824 | char **a; | |
825 | ||
826 | if (s->machine) { | |
827 | j = strjoin(s->machine, ":", s->path, NULL); | |
828 | if (!j) | |
829 | return log_oom(); | |
830 | path = j; | |
831 | } else | |
832 | path = s->path; | |
833 | ||
834 | if (arg_show_types) | |
835 | printf("%-*s %-*s %-*s", | |
836 | pathlen, path, typelen, s->type, socklen, s->id); | |
837 | else | |
838 | printf("%-*s %-*s", | |
839 | pathlen, path, socklen, s->id); | |
840 | STRV_FOREACH(a, s->triggered) | |
841 | printf("%s %s", | |
842 | a == s->triggered ? "" : ",", *a); | |
843 | printf("\n"); | |
844 | } | |
845 | ||
846 | on = ansi_highlight(); | |
847 | off = ansi_highlight_off(); | |
848 | if (!arg_no_legend) | |
849 | printf("\n"); | |
850 | } else { | |
851 | on = ansi_highlight_red(); | |
852 | off = ansi_highlight_off(); | |
853 | } | |
854 | ||
855 | if (!arg_no_legend) { | |
856 | printf("%s%u sockets listed.%s\n", on, cs, off); | |
857 | if (!arg_all) | |
858 | printf("Pass --all to see loaded but inactive sockets, too.\n"); | |
859 | } | |
860 | ||
861 | return 0; | |
862 | } | |
863 | ||
864 | static int list_sockets(sd_bus *bus, char **args) { | |
865 | _cleanup_(message_set_freep) Set *replies = NULL; | |
866 | _cleanup_strv_free_ char **machines = NULL; | |
867 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
868 | _cleanup_free_ struct socket_info *socket_infos = NULL; | |
869 | const UnitInfo *u; | |
870 | struct socket_info *s; | |
871 | unsigned cs = 0; | |
872 | size_t size = 0; | |
873 | int r = 0, n; | |
874 | ||
875 | pager_open_if_enabled(); | |
876 | ||
877 | n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); | |
878 | if (n < 0) | |
879 | return n; | |
880 | ||
881 | for (u = unit_infos; u < unit_infos + n; u++) { | |
882 | _cleanup_strv_free_ char **listening = NULL, **triggered = NULL; | |
883 | int i, c; | |
884 | ||
885 | if (!endswith(u->id, ".socket")) | |
886 | continue; | |
887 | ||
888 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
889 | if (r < 0) | |
890 | goto cleanup; | |
891 | ||
892 | c = get_listening(bus, u->unit_path, &listening); | |
893 | if (c < 0) { | |
894 | r = c; | |
895 | goto cleanup; | |
896 | } | |
897 | ||
898 | if (!GREEDY_REALLOC(socket_infos, size, cs + c)) { | |
899 | r = log_oom(); | |
900 | goto cleanup; | |
901 | } | |
902 | ||
903 | for (i = 0; i < c; i++) | |
904 | socket_infos[cs + i] = (struct socket_info) { | |
905 | .machine = u->machine, | |
906 | .id = u->id, | |
907 | .type = listening[i*2], | |
908 | .path = listening[i*2 + 1], | |
909 | .triggered = triggered, | |
910 | .own_triggered = i==0, | |
911 | }; | |
912 | ||
913 | /* from this point on we will cleanup those socket_infos */ | |
914 | cs += c; | |
915 | free(listening); | |
916 | listening = triggered = NULL; /* avoid cleanup */ | |
917 | } | |
918 | ||
919 | qsort_safe(socket_infos, cs, sizeof(struct socket_info), | |
920 | (__compar_fn_t) socket_info_compare); | |
921 | ||
922 | output_sockets_list(socket_infos, cs); | |
923 | ||
924 | cleanup: | |
925 | assert(cs == 0 || socket_infos); | |
926 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
927 | free(s->type); | |
928 | free(s->path); | |
929 | if (s->own_triggered) | |
930 | strv_free(s->triggered); | |
931 | } | |
932 | ||
933 | return r; | |
934 | } | |
935 | ||
936 | static int get_next_elapse( | |
937 | sd_bus *bus, | |
938 | const char *path, | |
939 | dual_timestamp *next) { | |
940 | ||
941 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
942 | dual_timestamp t; | |
943 | int r; | |
944 | ||
945 | assert(bus); | |
946 | assert(path); | |
947 | assert(next); | |
948 | ||
949 | r = sd_bus_get_property_trivial( | |
950 | bus, | |
951 | "org.freedesktop.systemd1", | |
952 | path, | |
953 | "org.freedesktop.systemd1.Timer", | |
954 | "NextElapseUSecMonotonic", | |
955 | &error, | |
956 | 't', | |
957 | &t.monotonic); | |
958 | if (r < 0) { | |
959 | log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r)); | |
960 | return r; | |
961 | } | |
962 | ||
963 | r = sd_bus_get_property_trivial( | |
964 | bus, | |
965 | "org.freedesktop.systemd1", | |
966 | path, | |
967 | "org.freedesktop.systemd1.Timer", | |
968 | "NextElapseUSecRealtime", | |
969 | &error, | |
970 | 't', | |
971 | &t.realtime); | |
972 | if (r < 0) { | |
973 | log_error("Failed to get next elapsation time: %s", bus_error_message(&error, r)); | |
974 | return r; | |
975 | } | |
976 | ||
977 | *next = t; | |
978 | return 0; | |
979 | } | |
980 | ||
981 | static int get_last_trigger( | |
982 | sd_bus *bus, | |
983 | const char *path, | |
984 | usec_t *last) { | |
985 | ||
986 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
987 | int r; | |
988 | ||
989 | assert(bus); | |
990 | assert(path); | |
991 | assert(last); | |
992 | ||
993 | r = sd_bus_get_property_trivial( | |
994 | bus, | |
995 | "org.freedesktop.systemd1", | |
996 | path, | |
997 | "org.freedesktop.systemd1.Timer", | |
998 | "LastTriggerUSec", | |
999 | &error, | |
1000 | 't', | |
1001 | last); | |
1002 | if (r < 0) { | |
1003 | log_error("Failed to get last trigger time: %s", bus_error_message(&error, r)); | |
1004 | return r; | |
1005 | } | |
1006 | ||
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | struct timer_info { | |
1011 | const char* machine; | |
1012 | const char* id; | |
1013 | usec_t next_elapse; | |
1014 | usec_t last_trigger; | |
1015 | char** triggered; | |
1016 | }; | |
1017 | ||
1018 | static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { | |
1019 | int o; | |
1020 | ||
1021 | assert(a); | |
1022 | assert(b); | |
1023 | ||
1024 | if (!a->machine && b->machine) | |
1025 | return -1; | |
1026 | if (a->machine && !b->machine) | |
1027 | return 1; | |
1028 | if (a->machine && b->machine) { | |
1029 | o = strcasecmp(a->machine, b->machine); | |
1030 | if (o != 0) | |
1031 | return o; | |
1032 | } | |
1033 | ||
1034 | if (a->next_elapse < b->next_elapse) | |
1035 | return -1; | |
1036 | if (a->next_elapse > b->next_elapse) | |
1037 | return 1; | |
1038 | ||
1039 | return strcmp(a->id, b->id); | |
1040 | } | |
1041 | ||
1042 | static int output_timers_list(struct timer_info *timer_infos, unsigned n) { | |
1043 | struct timer_info *t; | |
1044 | unsigned | |
1045 | nextlen = strlen("NEXT"), | |
1046 | leftlen = strlen("LEFT"), | |
1047 | lastlen = strlen("LAST"), | |
1048 | passedlen = strlen("PASSED"), | |
1049 | unitlen = strlen("UNIT"), | |
1050 | activatelen = strlen("ACTIVATES"); | |
1051 | ||
1052 | const char *on, *off; | |
1053 | ||
1054 | assert(timer_infos || n == 0); | |
1055 | ||
1056 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1057 | unsigned ul = 0; | |
1058 | char **a; | |
1059 | ||
1060 | if (t->next_elapse > 0) { | |
1061 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1062 | ||
1063 | format_timestamp(tstamp, sizeof(tstamp), t->next_elapse); | |
1064 | nextlen = MAX(nextlen, strlen(tstamp) + 1); | |
1065 | ||
1066 | format_timestamp_relative(trel, sizeof(trel), t->next_elapse); | |
1067 | leftlen = MAX(leftlen, strlen(trel)); | |
1068 | } | |
1069 | ||
1070 | if (t->last_trigger > 0) { | |
1071 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1072 | ||
1073 | format_timestamp(tstamp, sizeof(tstamp), t->last_trigger); | |
1074 | lastlen = MAX(lastlen, strlen(tstamp) + 1); | |
1075 | ||
1076 | format_timestamp_relative(trel, sizeof(trel), t->last_trigger); | |
1077 | passedlen = MAX(passedlen, strlen(trel)); | |
1078 | } | |
1079 | ||
1080 | unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0)); | |
1081 | ||
1082 | STRV_FOREACH(a, t->triggered) | |
1083 | ul += strlen(*a) + 2*(a != t->triggered); | |
1084 | ||
1085 | activatelen = MAX(activatelen, ul); | |
1086 | } | |
1087 | ||
1088 | if (n > 0) { | |
1089 | if (!arg_no_legend) | |
1090 | printf("%-*s %-*s %-*s %-*s %-*s %s\n", | |
1091 | nextlen, "NEXT", | |
1092 | leftlen, "LEFT", | |
1093 | lastlen, "LAST", | |
1094 | passedlen, "PASSED", | |
1095 | unitlen, "UNIT", | |
1096 | "ACTIVATES"); | |
1097 | ||
1098 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1099 | _cleanup_free_ char *j = NULL; | |
1100 | const char *unit; | |
1101 | char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1102 | char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1103 | char **a; | |
1104 | ||
1105 | format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse); | |
1106 | format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse); | |
1107 | ||
1108 | format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger); | |
1109 | format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger); | |
1110 | ||
1111 | if (t->machine) { | |
1112 | j = strjoin(t->machine, ":", t->id, NULL); | |
1113 | if (!j) | |
1114 | return log_oom(); | |
1115 | unit = j; | |
1116 | } else | |
1117 | unit = t->id; | |
1118 | ||
1119 | printf("%-*s %-*s %-*s %-*s %-*s", | |
1120 | nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit); | |
1121 | ||
1122 | STRV_FOREACH(a, t->triggered) | |
1123 | printf("%s %s", | |
1124 | a == t->triggered ? "" : ",", *a); | |
1125 | printf("\n"); | |
1126 | } | |
1127 | ||
1128 | on = ansi_highlight(); | |
1129 | off = ansi_highlight_off(); | |
1130 | if (!arg_no_legend) | |
1131 | printf("\n"); | |
1132 | } else { | |
1133 | on = ansi_highlight_red(); | |
1134 | off = ansi_highlight_off(); | |
1135 | } | |
1136 | ||
1137 | if (!arg_no_legend) { | |
1138 | printf("%s%u timers listed.%s\n", on, n, off); | |
1139 | if (!arg_all) | |
1140 | printf("Pass --all to see loaded but inactive timers, too.\n"); | |
1141 | } | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { | |
1147 | usec_t next_elapse; | |
1148 | ||
1149 | assert(nw); | |
1150 | assert(next); | |
1151 | ||
1152 | if (next->monotonic != USEC_INFINITY && next->monotonic > 0) { | |
1153 | usec_t converted; | |
1154 | ||
1155 | if (next->monotonic > nw->monotonic) | |
1156 | converted = nw->realtime + (next->monotonic - nw->monotonic); | |
1157 | else | |
1158 | converted = nw->realtime - (nw->monotonic - next->monotonic); | |
1159 | ||
1160 | if (next->realtime != USEC_INFINITY && next->realtime > 0) | |
1161 | next_elapse = MIN(converted, next->realtime); | |
1162 | else | |
1163 | next_elapse = converted; | |
1164 | ||
1165 | } else | |
1166 | next_elapse = next->realtime; | |
1167 | ||
1168 | return next_elapse; | |
1169 | } | |
1170 | ||
1171 | static int list_timers(sd_bus *bus, char **args) { | |
1172 | _cleanup_(message_set_freep) Set *replies = NULL; | |
1173 | _cleanup_strv_free_ char **machines = NULL; | |
1174 | _cleanup_free_ struct timer_info *timer_infos = NULL; | |
1175 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
1176 | struct timer_info *t; | |
1177 | const UnitInfo *u; | |
1178 | size_t size = 0; | |
1179 | int n, c = 0; | |
1180 | dual_timestamp nw; | |
1181 | int r = 0; | |
1182 | ||
1183 | pager_open_if_enabled(); | |
1184 | ||
1185 | n = get_unit_list_recursive(bus, strv_skip_first(args), &unit_infos, &replies, &machines); | |
1186 | if (n < 0) | |
1187 | return n; | |
1188 | ||
1189 | dual_timestamp_get(&nw); | |
1190 | ||
1191 | for (u = unit_infos; u < unit_infos + n; u++) { | |
1192 | _cleanup_strv_free_ char **triggered = NULL; | |
1193 | dual_timestamp next = {}; | |
1194 | usec_t m, last = 0; | |
1195 | ||
1196 | if (!endswith(u->id, ".timer")) | |
1197 | continue; | |
1198 | ||
1199 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
1200 | if (r < 0) | |
1201 | goto cleanup; | |
1202 | ||
1203 | r = get_next_elapse(bus, u->unit_path, &next); | |
1204 | if (r < 0) | |
1205 | goto cleanup; | |
1206 | ||
1207 | get_last_trigger(bus, u->unit_path, &last); | |
1208 | ||
1209 | if (!GREEDY_REALLOC(timer_infos, size, c+1)) { | |
1210 | r = log_oom(); | |
1211 | goto cleanup; | |
1212 | } | |
1213 | ||
1214 | m = calc_next_elapse(&nw, &next); | |
1215 | ||
1216 | timer_infos[c++] = (struct timer_info) { | |
1217 | .machine = u->machine, | |
1218 | .id = u->id, | |
1219 | .next_elapse = m, | |
1220 | .last_trigger = last, | |
1221 | .triggered = triggered, | |
1222 | }; | |
1223 | ||
1224 | triggered = NULL; /* avoid cleanup */ | |
1225 | } | |
1226 | ||
1227 | qsort_safe(timer_infos, c, sizeof(struct timer_info), | |
1228 | (__compar_fn_t) timer_info_compare); | |
1229 | ||
1230 | output_timers_list(timer_infos, c); | |
1231 | ||
1232 | cleanup: | |
1233 | for (t = timer_infos; t < timer_infos + c; t++) | |
1234 | strv_free(t->triggered); | |
1235 | ||
1236 | return r; | |
1237 | } | |
1238 | ||
1239 | static int compare_unit_file_list(const void *a, const void *b) { | |
1240 | const char *d1, *d2; | |
1241 | const UnitFileList *u = a, *v = b; | |
1242 | ||
1243 | d1 = strrchr(u->path, '.'); | |
1244 | d2 = strrchr(v->path, '.'); | |
1245 | ||
1246 | if (d1 && d2) { | |
1247 | int r; | |
1248 | ||
1249 | r = strcasecmp(d1, d2); | |
1250 | if (r != 0) | |
1251 | return r; | |
1252 | } | |
1253 | ||
1254 | return strcasecmp(basename(u->path), basename(v->path)); | |
1255 | } | |
1256 | ||
1257 | static bool output_show_unit_file(const UnitFileList *u, char **patterns) { | |
1258 | if (!strv_isempty(patterns)) { | |
1259 | char **pattern; | |
1260 | ||
1261 | STRV_FOREACH(pattern, patterns) | |
1262 | if (fnmatch(*pattern, basename(u->path), FNM_NOESCAPE) == 0) | |
1263 | goto next; | |
1264 | return false; | |
1265 | } | |
1266 | ||
1267 | next: | |
1268 | if (!strv_isempty(arg_types)) { | |
1269 | const char *dot; | |
1270 | ||
1271 | dot = strrchr(u->path, '.'); | |
1272 | if (!dot) | |
1273 | return false; | |
1274 | ||
1275 | if (!strv_find(arg_types, dot+1)) | |
1276 | return false; | |
1277 | } | |
1278 | ||
1279 | if (!strv_isempty(arg_states)) { | |
1280 | if (!strv_find(arg_states, unit_file_state_to_string(u->state))) | |
1281 | return false; | |
1282 | } | |
1283 | ||
1284 | return true; | |
1285 | } | |
1286 | ||
1287 | static void output_unit_file_list(const UnitFileList *units, unsigned c) { | |
1288 | unsigned max_id_len, id_cols, state_cols; | |
1289 | const UnitFileList *u; | |
1290 | ||
1291 | max_id_len = strlen("UNIT FILE"); | |
1292 | state_cols = strlen("STATE"); | |
1293 | ||
1294 | for (u = units; u < units + c; u++) { | |
1295 | max_id_len = MAX(max_id_len, strlen(basename(u->path))); | |
1296 | state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); | |
1297 | } | |
1298 | ||
1299 | if (!arg_full) { | |
1300 | unsigned basic_cols; | |
1301 | ||
1302 | id_cols = MIN(max_id_len, 25u); | |
1303 | basic_cols = 1 + id_cols + state_cols; | |
1304 | if (basic_cols < (unsigned) columns()) | |
1305 | id_cols += MIN(columns() - basic_cols, max_id_len - id_cols); | |
1306 | } else | |
1307 | id_cols = max_id_len; | |
1308 | ||
1309 | if (!arg_no_legend) | |
1310 | printf("%-*s %-*s\n", | |
1311 | id_cols, "UNIT FILE", | |
1312 | state_cols, "STATE"); | |
1313 | ||
1314 | for (u = units; u < units + c; u++) { | |
1315 | _cleanup_free_ char *e = NULL; | |
1316 | const char *on, *off; | |
1317 | const char *id; | |
1318 | ||
1319 | if (u->state == UNIT_FILE_MASKED || | |
1320 | u->state == UNIT_FILE_MASKED_RUNTIME || | |
1321 | u->state == UNIT_FILE_DISABLED || | |
1322 | u->state == UNIT_FILE_INVALID) { | |
1323 | on = ansi_highlight_red(); | |
1324 | off = ansi_highlight_off(); | |
1325 | } else if (u->state == UNIT_FILE_ENABLED) { | |
1326 | on = ansi_highlight_green(); | |
1327 | off = ansi_highlight_off(); | |
1328 | } else | |
1329 | on = off = ""; | |
1330 | ||
1331 | id = basename(u->path); | |
1332 | ||
1333 | e = arg_full ? NULL : ellipsize(id, id_cols, 33); | |
1334 | ||
1335 | printf("%-*s %s%-*s%s\n", | |
1336 | id_cols, e ? e : id, | |
1337 | on, state_cols, unit_file_state_to_string(u->state), off); | |
1338 | } | |
1339 | ||
1340 | if (!arg_no_legend) | |
1341 | printf("\n%u unit files listed.\n", c); | |
1342 | } | |
1343 | ||
1344 | static int list_unit_files(sd_bus *bus, char **args) { | |
1345 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1346 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1347 | _cleanup_free_ UnitFileList *units = NULL; | |
1348 | UnitFileList *unit; | |
1349 | size_t size = 0; | |
1350 | unsigned c = 0; | |
1351 | const char *state; | |
1352 | char *path; | |
1353 | int r; | |
1354 | ||
1355 | pager_open_if_enabled(); | |
1356 | ||
1357 | if (avoid_bus()) { | |
1358 | Hashmap *h; | |
1359 | UnitFileList *u; | |
1360 | Iterator i; | |
1361 | unsigned n_units; | |
1362 | ||
1363 | h = hashmap_new(&string_hash_ops); | |
1364 | if (!h) | |
1365 | return log_oom(); | |
1366 | ||
1367 | r = unit_file_get_list(arg_scope, arg_root, h); | |
1368 | if (r < 0) { | |
1369 | unit_file_list_free(h); | |
1370 | log_error_errno(r, "Failed to get unit file list: %m"); | |
1371 | return r; | |
1372 | } | |
1373 | ||
1374 | n_units = hashmap_size(h); | |
1375 | ||
1376 | units = new(UnitFileList, n_units); | |
1377 | if (!units && n_units > 0) { | |
1378 | unit_file_list_free(h); | |
1379 | return log_oom(); | |
1380 | } | |
1381 | ||
1382 | HASHMAP_FOREACH(u, h, i) { | |
1383 | if (!output_show_unit_file(u, strv_skip_first(args))) | |
1384 | continue; | |
1385 | ||
1386 | units[c++] = *u; | |
1387 | free(u); | |
1388 | } | |
1389 | ||
1390 | assert(c <= n_units); | |
1391 | hashmap_free(h); | |
1392 | } else { | |
1393 | r = sd_bus_call_method( | |
1394 | bus, | |
1395 | "org.freedesktop.systemd1", | |
1396 | "/org/freedesktop/systemd1", | |
1397 | "org.freedesktop.systemd1.Manager", | |
1398 | "ListUnitFiles", | |
1399 | &error, | |
1400 | &reply, | |
1401 | NULL); | |
1402 | if (r < 0) { | |
1403 | log_error("Failed to list unit files: %s", bus_error_message(&error, r)); | |
1404 | return r; | |
1405 | } | |
1406 | ||
1407 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
1408 | if (r < 0) | |
1409 | return bus_log_parse_error(r); | |
1410 | ||
1411 | while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) { | |
1412 | ||
1413 | if (!GREEDY_REALLOC(units, size, c + 1)) | |
1414 | return log_oom(); | |
1415 | ||
1416 | units[c] = (struct UnitFileList) { | |
1417 | path, | |
1418 | unit_file_state_from_string(state) | |
1419 | }; | |
1420 | ||
1421 | if (output_show_unit_file(&units[c], strv_skip_first(args))) | |
1422 | c ++; | |
1423 | ||
1424 | } | |
1425 | if (r < 0) | |
1426 | return bus_log_parse_error(r); | |
1427 | ||
1428 | r = sd_bus_message_exit_container(reply); | |
1429 | if (r < 0) | |
1430 | return bus_log_parse_error(r); | |
1431 | } | |
1432 | ||
1433 | qsort_safe(units, c, sizeof(UnitFileList), compare_unit_file_list); | |
1434 | output_unit_file_list(units, c); | |
1435 | ||
1436 | if (avoid_bus()) { | |
1437 | for (unit = units; unit < units + c; unit++) | |
1438 | free(unit->path); | |
1439 | } | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | static int list_dependencies_print(const char *name, int level, unsigned int branches, bool last) { | |
1445 | _cleanup_free_ char *n = NULL; | |
1446 | size_t max_len = MAX(columns(),20u); | |
1447 | size_t len = 0; | |
1448 | int i; | |
1449 | ||
1450 | if (!arg_plain) { | |
1451 | ||
1452 | for (i = level - 1; i >= 0; i--) { | |
1453 | len += 2; | |
1454 | if (len > max_len - 3 && !arg_full) { | |
1455 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1456 | return 0; | |
1457 | } | |
1458 | printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE)); | |
1459 | } | |
1460 | len += 2; | |
1461 | ||
1462 | if (len > max_len - 3 && !arg_full) { | |
1463 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1464 | return 0; | |
1465 | } | |
1466 | ||
1467 | printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH)); | |
1468 | } | |
1469 | ||
1470 | if (arg_full){ | |
1471 | printf("%s\n", name); | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | n = ellipsize(name, max_len-len, 100); | |
1476 | if (!n) | |
1477 | return log_oom(); | |
1478 | ||
1479 | printf("%s\n", n); | |
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) { | |
1484 | ||
1485 | static const char *dependencies[_DEPENDENCY_MAX] = { | |
1486 | [DEPENDENCY_FORWARD] = "Requires\0" | |
1487 | "RequiresOverridable\0" | |
1488 | "Requisite\0" | |
1489 | "RequisiteOverridable\0" | |
1490 | "Wants\0" | |
1491 | "BindsTo\0", | |
1492 | [DEPENDENCY_REVERSE] = "RequiredBy\0" | |
1493 | "RequiredByOverridable\0" | |
1494 | "WantedBy\0" | |
1495 | "PartOf\0" | |
1496 | "BoundBy\0", | |
1497 | [DEPENDENCY_AFTER] = "After\0", | |
1498 | [DEPENDENCY_BEFORE] = "Before\0", | |
1499 | }; | |
1500 | ||
1501 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1502 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1503 | _cleanup_strv_free_ char **ret = NULL; | |
1504 | _cleanup_free_ char *path = NULL; | |
1505 | int r; | |
1506 | ||
1507 | assert(bus); | |
1508 | assert(name); | |
1509 | assert(deps); | |
1510 | assert_cc(ELEMENTSOF(dependencies) == _DEPENDENCY_MAX); | |
1511 | ||
1512 | path = unit_dbus_path_from_name(name); | |
1513 | if (!path) | |
1514 | return log_oom(); | |
1515 | ||
1516 | r = sd_bus_call_method( | |
1517 | bus, | |
1518 | "org.freedesktop.systemd1", | |
1519 | path, | |
1520 | "org.freedesktop.DBus.Properties", | |
1521 | "GetAll", | |
1522 | &error, | |
1523 | &reply, | |
1524 | "s", "org.freedesktop.systemd1.Unit"); | |
1525 | if (r < 0) { | |
1526 | log_error("Failed to get properties of %s: %s", name, bus_error_message(&error, r)); | |
1527 | return r; | |
1528 | } | |
1529 | ||
1530 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); | |
1531 | if (r < 0) | |
1532 | return bus_log_parse_error(r); | |
1533 | ||
1534 | while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
1535 | const char *prop; | |
1536 | ||
1537 | r = sd_bus_message_read(reply, "s", &prop); | |
1538 | if (r < 0) | |
1539 | return bus_log_parse_error(r); | |
1540 | ||
1541 | if (!nulstr_contains(dependencies[arg_dependency], prop)) { | |
1542 | r = sd_bus_message_skip(reply, "v"); | |
1543 | if (r < 0) | |
1544 | return bus_log_parse_error(r); | |
1545 | } else { | |
1546 | ||
1547 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, "as"); | |
1548 | if (r < 0) | |
1549 | return bus_log_parse_error(r); | |
1550 | ||
1551 | r = bus_message_read_strv_extend(reply, &ret); | |
1552 | if (r < 0) | |
1553 | return bus_log_parse_error(r); | |
1554 | ||
1555 | r = sd_bus_message_exit_container(reply); | |
1556 | if (r < 0) | |
1557 | return bus_log_parse_error(r); | |
1558 | } | |
1559 | ||
1560 | r = sd_bus_message_exit_container(reply); | |
1561 | if (r < 0) | |
1562 | return bus_log_parse_error(r); | |
1563 | ||
1564 | } | |
1565 | if (r < 0) | |
1566 | return bus_log_parse_error(r); | |
1567 | ||
1568 | r = sd_bus_message_exit_container(reply); | |
1569 | if (r < 0) | |
1570 | return bus_log_parse_error(r); | |
1571 | ||
1572 | *deps = ret; | |
1573 | ret = NULL; | |
1574 | ||
1575 | return 0; | |
1576 | } | |
1577 | ||
1578 | static int list_dependencies_compare(const void *_a, const void *_b) { | |
1579 | const char **a = (const char**) _a, **b = (const char**) _b; | |
1580 | ||
1581 | if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET) | |
1582 | return 1; | |
1583 | if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET) | |
1584 | return -1; | |
1585 | ||
1586 | return strcasecmp(*a, *b); | |
1587 | } | |
1588 | ||
1589 | static int list_dependencies_one( | |
1590 | sd_bus *bus, | |
1591 | const char *name, | |
1592 | int level, | |
1593 | char ***units, | |
1594 | unsigned int branches) { | |
1595 | ||
1596 | _cleanup_strv_free_ char **deps = NULL; | |
1597 | char **c; | |
1598 | int r = 0; | |
1599 | ||
1600 | assert(bus); | |
1601 | assert(name); | |
1602 | assert(units); | |
1603 | ||
1604 | r = strv_extend(units, name); | |
1605 | if (r < 0) | |
1606 | return log_oom(); | |
1607 | ||
1608 | r = list_dependencies_get_dependencies(bus, name, &deps); | |
1609 | if (r < 0) | |
1610 | return r; | |
1611 | ||
1612 | qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare); | |
1613 | ||
1614 | STRV_FOREACH(c, deps) { | |
1615 | if (strv_contains(*units, *c)) { | |
1616 | if (!arg_plain) { | |
1617 | r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1); | |
1618 | if (r < 0) | |
1619 | return r; | |
1620 | } | |
1621 | continue; | |
1622 | } | |
1623 | ||
1624 | if (arg_plain) | |
1625 | printf(" "); | |
1626 | else { | |
1627 | int state; | |
1628 | const char *on; | |
1629 | ||
1630 | state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true); | |
1631 | on = state > 0 ? ansi_highlight_green() : ansi_highlight_red(); | |
1632 | printf("%s%s%s ", on, draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off()); | |
1633 | } | |
1634 | ||
1635 | r = list_dependencies_print(*c, level, branches, c[1] == NULL); | |
1636 | if (r < 0) | |
1637 | return r; | |
1638 | ||
1639 | if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) { | |
1640 | r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1)); | |
1641 | if (r < 0) | |
1642 | return r; | |
1643 | } | |
1644 | } | |
1645 | ||
1646 | if (!arg_plain) | |
1647 | strv_remove(*units, name); | |
1648 | ||
1649 | return 0; | |
1650 | } | |
1651 | ||
1652 | static int list_dependencies(sd_bus *bus, char **args) { | |
1653 | _cleanup_strv_free_ char **units = NULL; | |
1654 | _cleanup_free_ char *unit = NULL; | |
1655 | const char *u; | |
1656 | ||
1657 | assert(bus); | |
1658 | ||
1659 | if (args[1]) { | |
1660 | unit = unit_name_mangle(args[1], MANGLE_NOGLOB); | |
1661 | if (!unit) | |
1662 | return log_oom(); | |
1663 | u = unit; | |
1664 | } else | |
1665 | u = SPECIAL_DEFAULT_TARGET; | |
1666 | ||
1667 | pager_open_if_enabled(); | |
1668 | ||
1669 | puts(u); | |
1670 | ||
1671 | return list_dependencies_one(bus, u, 0, &units, 0); | |
1672 | } | |
1673 | ||
1674 | struct machine_info { | |
1675 | bool is_host; | |
1676 | char *name; | |
1677 | char *state; | |
1678 | char *control_group; | |
1679 | uint32_t n_failed_units; | |
1680 | uint32_t n_jobs; | |
1681 | usec_t timestamp; | |
1682 | }; | |
1683 | ||
1684 | static const struct bus_properties_map machine_info_property_map[] = { | |
1685 | { "SystemState", "s", NULL, offsetof(struct machine_info, state) }, | |
1686 | { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) }, | |
1687 | { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) }, | |
1688 | { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) }, | |
1689 | { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) }, | |
1690 | {} | |
1691 | }; | |
1692 | ||
1693 | static void free_machines_list(struct machine_info *machine_infos, int n) { | |
1694 | int i; | |
1695 | ||
1696 | if (!machine_infos) | |
1697 | return; | |
1698 | ||
1699 | for (i = 0; i < n; i++) { | |
1700 | free(machine_infos[i].name); | |
1701 | free(machine_infos[i].state); | |
1702 | free(machine_infos[i].control_group); | |
1703 | } | |
1704 | ||
1705 | free(machine_infos); | |
1706 | } | |
1707 | ||
1708 | static int compare_machine_info(const void *a, const void *b) { | |
1709 | const struct machine_info *u = a, *v = b; | |
1710 | ||
1711 | if (u->is_host != v->is_host) | |
1712 | return u->is_host > v->is_host ? -1 : 1; | |
1713 | ||
1714 | return strcasecmp(u->name, v->name); | |
1715 | } | |
1716 | ||
1717 | static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { | |
1718 | _cleanup_bus_close_unref_ sd_bus *container = NULL; | |
1719 | int r; | |
1720 | ||
1721 | assert(mi); | |
1722 | ||
1723 | if (!bus) { | |
1724 | r = sd_bus_open_system_machine(&container, mi->name); | |
1725 | if (r < 0) | |
1726 | return r; | |
1727 | ||
1728 | bus = container; | |
1729 | } | |
1730 | ||
1731 | r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, mi); | |
1732 | if (r < 0) | |
1733 | return r; | |
1734 | ||
1735 | return 0; | |
1736 | } | |
1737 | ||
1738 | static bool output_show_machine(const char *name, char **patterns) { | |
1739 | char **i; | |
1740 | ||
1741 | assert(name); | |
1742 | ||
1743 | if (strv_isempty(patterns)) | |
1744 | return true; | |
1745 | ||
1746 | STRV_FOREACH(i, patterns) | |
1747 | if (fnmatch(*i, name, FNM_NOESCAPE) == 0) | |
1748 | return true; | |
1749 | ||
1750 | return false; | |
1751 | } | |
1752 | ||
1753 | static int get_machine_list( | |
1754 | sd_bus *bus, | |
1755 | struct machine_info **_machine_infos, | |
1756 | char **patterns) { | |
1757 | ||
1758 | struct machine_info *machine_infos = NULL; | |
1759 | _cleanup_strv_free_ char **m = NULL; | |
1760 | _cleanup_free_ char *hn = NULL; | |
1761 | size_t sz = 0; | |
1762 | char **i; | |
1763 | int c = 0; | |
1764 | ||
1765 | hn = gethostname_malloc(); | |
1766 | if (!hn) | |
1767 | return log_oom(); | |
1768 | ||
1769 | if (output_show_machine(hn, patterns)) { | |
1770 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) | |
1771 | return log_oom(); | |
1772 | ||
1773 | machine_infos[c].is_host = true; | |
1774 | machine_infos[c].name = hn; | |
1775 | hn = NULL; | |
1776 | ||
1777 | get_machine_properties(bus, &machine_infos[c]); | |
1778 | c++; | |
1779 | } | |
1780 | ||
1781 | sd_get_machine_names(&m); | |
1782 | STRV_FOREACH(i, m) { | |
1783 | _cleanup_free_ char *class = NULL; | |
1784 | ||
1785 | if (!output_show_machine(*i, patterns)) | |
1786 | continue; | |
1787 | ||
1788 | sd_machine_get_class(*i, &class); | |
1789 | if (!streq_ptr(class, "container")) | |
1790 | continue; | |
1791 | ||
1792 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) { | |
1793 | free_machines_list(machine_infos, c); | |
1794 | return log_oom(); | |
1795 | } | |
1796 | ||
1797 | machine_infos[c].is_host = false; | |
1798 | machine_infos[c].name = strdup(*i); | |
1799 | if (!machine_infos[c].name) { | |
1800 | free_machines_list(machine_infos, c); | |
1801 | return log_oom(); | |
1802 | } | |
1803 | ||
1804 | get_machine_properties(NULL, &machine_infos[c]); | |
1805 | c++; | |
1806 | } | |
1807 | ||
1808 | *_machine_infos = machine_infos; | |
1809 | return c; | |
1810 | } | |
1811 | ||
1812 | static void output_machines_list(struct machine_info *machine_infos, unsigned n) { | |
1813 | struct machine_info *m; | |
1814 | unsigned | |
1815 | circle_len = 0, | |
1816 | namelen = sizeof("NAME") - 1, | |
1817 | statelen = sizeof("STATE") - 1, | |
1818 | failedlen = sizeof("FAILED") - 1, | |
1819 | jobslen = sizeof("JOBS") - 1; | |
1820 | ||
1821 | assert(machine_infos || n == 0); | |
1822 | ||
1823 | for (m = machine_infos; m < machine_infos + n; m++) { | |
1824 | namelen = MAX(namelen, strlen(m->name) + (m->is_host ? sizeof(" (host)") - 1 : 0)); | |
1825 | statelen = MAX(statelen, m->state ? strlen(m->state) : 0); | |
1826 | failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units)); | |
1827 | jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs)); | |
1828 | ||
1829 | if (!arg_plain && !streq_ptr(m->state, "running")) | |
1830 | circle_len = 2; | |
1831 | } | |
1832 | ||
1833 | if (!arg_no_legend) { | |
1834 | if (circle_len > 0) | |
1835 | fputs(" ", stdout); | |
1836 | ||
1837 | printf("%-*s %-*s %-*s %-*s\n", | |
1838 | namelen, "NAME", | |
1839 | statelen, "STATE", | |
1840 | failedlen, "FAILED", | |
1841 | jobslen, "JOBS"); | |
1842 | } | |
1843 | ||
1844 | for (m = machine_infos; m < machine_infos + n; m++) { | |
1845 | const char *on_state = "", *off_state = ""; | |
1846 | const char *on_failed = "", *off_failed = ""; | |
1847 | bool circle = false; | |
1848 | ||
1849 | if (streq_ptr(m->state, "degraded")) { | |
1850 | on_state = ansi_highlight_red(); | |
1851 | off_state = ansi_highlight_off(); | |
1852 | circle = true; | |
1853 | } else if (!streq_ptr(m->state, "running")) { | |
1854 | on_state = ansi_highlight_yellow(); | |
1855 | off_state = ansi_highlight_off(); | |
1856 | circle = true; | |
1857 | } | |
1858 | ||
1859 | if (m->n_failed_units > 0) { | |
1860 | on_failed = ansi_highlight_red(); | |
1861 | off_failed = ansi_highlight_off(); | |
1862 | } else | |
1863 | on_failed = off_failed = ""; | |
1864 | ||
1865 | if (circle_len > 0) | |
1866 | printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state); | |
1867 | ||
1868 | if (m->is_host) | |
1869 | printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n", | |
1870 | (int) (namelen - (sizeof(" (host)")-1)), strna(m->name), | |
1871 | on_state, statelen, strna(m->state), off_state, | |
1872 | on_failed, failedlen, m->n_failed_units, off_failed, | |
1873 | jobslen, m->n_jobs); | |
1874 | else | |
1875 | printf("%-*s %s%-*s%s %s%*u%s %*u\n", | |
1876 | namelen, strna(m->name), | |
1877 | on_state, statelen, strna(m->state), off_state, | |
1878 | on_failed, failedlen, m->n_failed_units, off_failed, | |
1879 | jobslen, m->n_jobs); | |
1880 | } | |
1881 | ||
1882 | if (!arg_no_legend) | |
1883 | printf("\n%u machines listed.\n", n); | |
1884 | } | |
1885 | ||
1886 | static int list_machines(sd_bus *bus, char **args) { | |
1887 | struct machine_info *machine_infos = NULL; | |
1888 | int r; | |
1889 | ||
1890 | assert(bus); | |
1891 | ||
1892 | if (geteuid() != 0) { | |
1893 | log_error("Must be root."); | |
1894 | return -EPERM; | |
1895 | } | |
1896 | ||
1897 | pager_open_if_enabled(); | |
1898 | ||
1899 | r = get_machine_list(bus, &machine_infos, strv_skip_first(args)); | |
1900 | if (r < 0) | |
1901 | return r; | |
1902 | ||
1903 | qsort_safe(machine_infos, r, sizeof(struct machine_info), compare_machine_info); | |
1904 | output_machines_list(machine_infos, r); | |
1905 | free_machines_list(machine_infos, r); | |
1906 | ||
1907 | return 0; | |
1908 | } | |
1909 | ||
1910 | static int get_default(sd_bus *bus, char **args) { | |
1911 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
1912 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1913 | _cleanup_free_ char *_path = NULL; | |
1914 | const char *path; | |
1915 | int r; | |
1916 | ||
1917 | if (!bus || avoid_bus()) { | |
1918 | r = unit_file_get_default(arg_scope, arg_root, &_path); | |
1919 | if (r < 0) | |
1920 | return log_error_errno(r, "Failed to get default target: %m"); | |
1921 | path = _path; | |
1922 | ||
1923 | } else { | |
1924 | r = sd_bus_call_method( | |
1925 | bus, | |
1926 | "org.freedesktop.systemd1", | |
1927 | "/org/freedesktop/systemd1", | |
1928 | "org.freedesktop.systemd1.Manager", | |
1929 | "GetDefaultTarget", | |
1930 | &error, | |
1931 | &reply, | |
1932 | NULL); | |
1933 | if (r < 0) { | |
1934 | log_error("Failed to get default target: %s", bus_error_message(&error, -r)); | |
1935 | return r; | |
1936 | } | |
1937 | ||
1938 | r = sd_bus_message_read(reply, "s", &path); | |
1939 | if (r < 0) | |
1940 | return bus_log_parse_error(r); | |
1941 | } | |
1942 | ||
1943 | if (path) | |
1944 | printf("%s\n", path); | |
1945 | ||
1946 | return 0; | |
1947 | } | |
1948 | ||
1949 | static void dump_unit_file_changes(const UnitFileChange *changes, unsigned n_changes) { | |
1950 | unsigned i; | |
1951 | ||
1952 | assert(changes || n_changes == 0); | |
1953 | ||
1954 | for (i = 0; i < n_changes; i++) { | |
1955 | if (changes[i].type == UNIT_FILE_SYMLINK) | |
1956 | log_info("Created symlink from %s to %s.", changes[i].path, changes[i].source); | |
1957 | else | |
1958 | log_info("Removed symlink %s.", changes[i].path); | |
1959 | } | |
1960 | } | |
1961 | ||
1962 | static int set_default(sd_bus *bus, char **args) { | |
1963 | _cleanup_free_ char *unit = NULL; | |
1964 | UnitFileChange *changes = NULL; | |
1965 | unsigned n_changes = 0; | |
1966 | int r; | |
1967 | ||
1968 | unit = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target"); | |
1969 | if (!unit) | |
1970 | return log_oom(); | |
1971 | ||
1972 | if (!bus || avoid_bus()) { | |
1973 | r = unit_file_set_default(arg_scope, arg_root, unit, true, &changes, &n_changes); | |
1974 | if (r < 0) | |
1975 | return log_error_errno(r, "Failed to set default target: %m"); | |
1976 | ||
1977 | if (!arg_quiet) | |
1978 | dump_unit_file_changes(changes, n_changes); | |
1979 | ||
1980 | r = 0; | |
1981 | } else { | |
1982 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; | |
1983 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
1984 | ||
1985 | r = sd_bus_message_new_method_call( | |
1986 | bus, | |
1987 | &m, | |
1988 | "org.freedesktop.systemd1", | |
1989 | "/org/freedesktop/systemd1", | |
1990 | "org.freedesktop.systemd1.Manager", | |
1991 | "SetDefaultTarget"); | |
1992 | if (r < 0) | |
1993 | return bus_log_create_error(r); | |
1994 | ||
1995 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
1996 | if (r < 0) | |
1997 | return bus_log_create_error(r); | |
1998 | ||
1999 | r = sd_bus_message_append(m, "sb", unit, 1); | |
2000 | if (r < 0) | |
2001 | return bus_log_create_error(r); | |
2002 | ||
2003 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
2004 | if (r < 0) { | |
2005 | log_error("Failed to set default target: %s", bus_error_message(&error, -r)); | |
2006 | return r; | |
2007 | } | |
2008 | ||
2009 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); | |
2010 | if (r < 0) | |
2011 | return r; | |
2012 | ||
2013 | /* Try to reload if enabled */ | |
2014 | if (!arg_no_reload) | |
2015 | r = daemon_reload(bus, args); | |
2016 | else | |
2017 | r = 0; | |
2018 | } | |
2019 | ||
2020 | unit_file_changes_free(changes, n_changes); | |
2021 | ||
2022 | return r; | |
2023 | } | |
2024 | ||
2025 | struct job_info { | |
2026 | uint32_t id; | |
2027 | const char *name, *type, *state; | |
2028 | }; | |
2029 | ||
2030 | static void output_jobs_list(const struct job_info* jobs, unsigned n, bool skipped) { | |
2031 | unsigned id_len, unit_len, type_len, state_len; | |
2032 | const struct job_info *j; | |
2033 | const char *on, *off; | |
2034 | bool shorten = false; | |
2035 | ||
2036 | assert(n == 0 || jobs); | |
2037 | ||
2038 | if (n == 0) { | |
2039 | if (!arg_no_legend) { | |
2040 | on = ansi_highlight_green(); | |
2041 | off = ansi_highlight_off(); | |
2042 | ||
2043 | printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off); | |
2044 | } | |
2045 | return; | |
2046 | } | |
2047 | ||
2048 | pager_open_if_enabled(); | |
2049 | ||
2050 | id_len = strlen("JOB"); | |
2051 | unit_len = strlen("UNIT"); | |
2052 | type_len = strlen("TYPE"); | |
2053 | state_len = strlen("STATE"); | |
2054 | ||
2055 | for (j = jobs; j < jobs + n; j++) { | |
2056 | uint32_t id = j->id; | |
2057 | assert(j->name && j->type && j->state); | |
2058 | ||
2059 | id_len = MAX(id_len, DECIMAL_STR_WIDTH(id)); | |
2060 | unit_len = MAX(unit_len, strlen(j->name)); | |
2061 | type_len = MAX(type_len, strlen(j->type)); | |
2062 | state_len = MAX(state_len, strlen(j->state)); | |
2063 | } | |
2064 | ||
2065 | if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) { | |
2066 | unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3); | |
2067 | shorten = true; | |
2068 | } | |
2069 | ||
2070 | if (!arg_no_legend) | |
2071 | printf("%*s %-*s %-*s %-*s\n", | |
2072 | id_len, "JOB", | |
2073 | unit_len, "UNIT", | |
2074 | type_len, "TYPE", | |
2075 | state_len, "STATE"); | |
2076 | ||
2077 | for (j = jobs; j < jobs + n; j++) { | |
2078 | _cleanup_free_ char *e = NULL; | |
2079 | ||
2080 | if (streq(j->state, "running")) { | |
2081 | on = ansi_highlight(); | |
2082 | off = ansi_highlight_off(); | |
2083 | } else | |
2084 | on = off = ""; | |
2085 | ||
2086 | e = shorten ? ellipsize(j->name, unit_len, 33) : NULL; | |
2087 | printf("%*u %s%-*s%s %-*s %s%-*s%s\n", | |
2088 | id_len, j->id, | |
2089 | on, unit_len, e ? e : j->name, off, | |
2090 | type_len, j->type, | |
2091 | on, state_len, j->state, off); | |
2092 | } | |
2093 | ||
2094 | if (!arg_no_legend) { | |
2095 | on = ansi_highlight(); | |
2096 | off = ansi_highlight_off(); | |
2097 | ||
2098 | printf("\n%s%u jobs listed%s.\n", on, n, off); | |
2099 | } | |
2100 | } | |
2101 | ||
2102 | static bool output_show_job(struct job_info *job, char **patterns) { | |
2103 | char **pattern; | |
2104 | ||
2105 | assert(job); | |
2106 | ||
2107 | if (strv_isempty(patterns)) | |
2108 | return true; | |
2109 | ||
2110 | STRV_FOREACH(pattern, patterns) | |
2111 | if (fnmatch(*pattern, job->name, FNM_NOESCAPE) == 0) | |
2112 | return true; | |
2113 | return false; | |
2114 | } | |
2115 | ||
2116 | static int list_jobs(sd_bus *bus, char **args) { | |
2117 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2118 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2119 | const char *name, *type, *state, *job_path, *unit_path; | |
2120 | _cleanup_free_ struct job_info *jobs = NULL; | |
2121 | size_t size = 0; | |
2122 | unsigned c = 0; | |
2123 | uint32_t id; | |
2124 | int r; | |
2125 | bool skipped = false; | |
2126 | ||
2127 | r = sd_bus_call_method( | |
2128 | bus, | |
2129 | "org.freedesktop.systemd1", | |
2130 | "/org/freedesktop/systemd1", | |
2131 | "org.freedesktop.systemd1.Manager", | |
2132 | "ListJobs", | |
2133 | &error, | |
2134 | &reply, | |
2135 | NULL); | |
2136 | if (r < 0) { | |
2137 | log_error("Failed to list jobs: %s", bus_error_message(&error, r)); | |
2138 | return r; | |
2139 | } | |
2140 | ||
2141 | r = sd_bus_message_enter_container(reply, 'a', "(usssoo)"); | |
2142 | if (r < 0) | |
2143 | return bus_log_parse_error(r); | |
2144 | ||
2145 | while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, &job_path, &unit_path)) > 0) { | |
2146 | struct job_info job = { id, name, type, state }; | |
2147 | ||
2148 | if (!output_show_job(&job, strv_skip_first(args))) { | |
2149 | skipped = true; | |
2150 | continue; | |
2151 | } | |
2152 | ||
2153 | if (!GREEDY_REALLOC(jobs, size, c + 1)) | |
2154 | return log_oom(); | |
2155 | ||
2156 | jobs[c++] = job; | |
2157 | } | |
2158 | if (r < 0) | |
2159 | return bus_log_parse_error(r); | |
2160 | ||
2161 | r = sd_bus_message_exit_container(reply); | |
2162 | if (r < 0) | |
2163 | return bus_log_parse_error(r); | |
2164 | ||
2165 | output_jobs_list(jobs, c, skipped); | |
2166 | return r; | |
2167 | } | |
2168 | ||
2169 | static int cancel_job(sd_bus *bus, char **args) { | |
2170 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2171 | char **name; | |
2172 | int r = 0; | |
2173 | ||
2174 | assert(args); | |
2175 | ||
2176 | if (strv_length(args) <= 1) | |
2177 | return daemon_reload(bus, args); | |
2178 | ||
2179 | STRV_FOREACH(name, args+1) { | |
2180 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
2181 | uint32_t id; | |
2182 | int q; | |
2183 | ||
2184 | q = safe_atou32(*name, &id); | |
2185 | if (q < 0) | |
2186 | return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name); | |
2187 | ||
2188 | q = sd_bus_message_new_method_call( | |
2189 | bus, | |
2190 | &m, | |
2191 | "org.freedesktop.systemd1", | |
2192 | "/org/freedesktop/systemd1", | |
2193 | "org.freedesktop.systemd1.Manager", | |
2194 | "CancelJob"); | |
2195 | if (q < 0) | |
2196 | return bus_log_create_error(q); | |
2197 | ||
2198 | q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
2199 | if (q < 0) | |
2200 | return bus_log_create_error(1); | |
2201 | ||
2202 | q = sd_bus_message_append(m, "u", id); | |
2203 | if (q < 0) | |
2204 | return bus_log_create_error(q); | |
2205 | ||
2206 | q = sd_bus_call(bus, m, 0, &error, NULL); | |
2207 | if (q < 0) { | |
2208 | log_error("Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q)); | |
2209 | if (r == 0) | |
2210 | r = q; | |
2211 | } | |
2212 | } | |
2213 | ||
2214 | return r; | |
2215 | } | |
2216 | ||
2217 | static int need_daemon_reload(sd_bus *bus, const char *unit) { | |
2218 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2219 | const char *path; | |
2220 | int b, r; | |
2221 | ||
2222 | /* We ignore all errors here, since this is used to show a | |
2223 | * warning only */ | |
2224 | ||
2225 | /* We don't use unit_dbus_path_from_name() directly since we | |
2226 | * don't want to load the unit if it isn't loaded. */ | |
2227 | ||
2228 | r = sd_bus_call_method( | |
2229 | bus, | |
2230 | "org.freedesktop.systemd1", | |
2231 | "/org/freedesktop/systemd1", | |
2232 | "org.freedesktop.systemd1.Manager", | |
2233 | "GetUnit", | |
2234 | NULL, | |
2235 | &reply, | |
2236 | "s", unit); | |
2237 | if (r < 0) | |
2238 | return r; | |
2239 | ||
2240 | r = sd_bus_message_read(reply, "o", &path); | |
2241 | if (r < 0) | |
2242 | return r; | |
2243 | ||
2244 | r = sd_bus_get_property_trivial( | |
2245 | bus, | |
2246 | "org.freedesktop.systemd1", | |
2247 | path, | |
2248 | "org.freedesktop.systemd1.Unit", | |
2249 | "NeedDaemonReload", | |
2250 | NULL, | |
2251 | 'b', &b); | |
2252 | if (r < 0) | |
2253 | return r; | |
2254 | ||
2255 | return b; | |
2256 | } | |
2257 | ||
2258 | static void warn_unit_file_changed(const char *name) { | |
2259 | log_warning("%sWarning:%s %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.", | |
2260 | ansi_highlight_red(), | |
2261 | ansi_highlight_off(), | |
2262 | name, | |
2263 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); | |
2264 | } | |
2265 | ||
2266 | static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **unit_path) { | |
2267 | char **p; | |
2268 | ||
2269 | assert(lp); | |
2270 | assert(unit_name); | |
2271 | assert(unit_path); | |
2272 | ||
2273 | STRV_FOREACH(p, lp->unit_path) { | |
2274 | _cleanup_free_ char *path; | |
2275 | ||
2276 | path = path_join(arg_root, *p, unit_name); | |
2277 | if (!path) | |
2278 | return log_oom(); | |
2279 | ||
2280 | if (access(path, F_OK) == 0) { | |
2281 | *unit_path = path; | |
2282 | path = NULL; | |
2283 | return 1; | |
2284 | } | |
2285 | } | |
2286 | ||
2287 | return 0; | |
2288 | } | |
2289 | ||
2290 | static int unit_find_paths(sd_bus *bus, | |
2291 | const char *unit_name, | |
2292 | bool avoid_bus_cache, | |
2293 | LookupPaths *lp, | |
2294 | char **fragment_path, | |
2295 | char ***dropin_paths) { | |
2296 | int r; | |
2297 | ||
2298 | /** | |
2299 | * Finds where the unit is defined on disk. Returns 0 if the unit | |
2300 | * is not found. Returns 1 if it is found, and sets | |
2301 | * - the path to the unit in *path, if it exists on disk, | |
2302 | * - and a strv of existing drop-ins in *dropins, | |
2303 | * if the arg is not NULL and any dropins were found. | |
2304 | */ | |
2305 | ||
2306 | assert(unit_name); | |
2307 | assert(fragment_path); | |
2308 | assert(lp); | |
2309 | ||
2310 | if (!avoid_bus_cache && !unit_name_is_template(unit_name)) { | |
2311 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2312 | _cleanup_bus_message_unref_ sd_bus_message *unit_load_error = NULL; | |
2313 | _cleanup_free_ char *unit = NULL; | |
2314 | _cleanup_free_ char *path = NULL; | |
2315 | _cleanup_strv_free_ char **dropins = NULL; | |
2316 | _cleanup_strv_free_ char **load_error = NULL; | |
2317 | char *unit_load_error_name, *unit_load_error_message; | |
2318 | ||
2319 | unit = unit_dbus_path_from_name(unit_name); | |
2320 | if (!unit) | |
2321 | return log_oom(); | |
2322 | ||
2323 | if (need_daemon_reload(bus, unit_name) > 0) | |
2324 | warn_unit_file_changed(unit_name); | |
2325 | ||
2326 | r = sd_bus_get_property( | |
2327 | bus, | |
2328 | "org.freedesktop.systemd1", | |
2329 | unit, | |
2330 | "org.freedesktop.systemd1.Unit", | |
2331 | "LoadError", | |
2332 | &error, | |
2333 | &unit_load_error, | |
2334 | "(ss)"); | |
2335 | if (r < 0) | |
2336 | return log_error_errno(r, "Failed to get LoadError: %s", bus_error_message(&error, r)); | |
2337 | ||
2338 | r = sd_bus_message_read( | |
2339 | unit_load_error, | |
2340 | "(ss)", | |
2341 | &unit_load_error_name, | |
2342 | &unit_load_error_message); | |
2343 | if (r < 0) | |
2344 | return bus_log_parse_error(r); | |
2345 | ||
2346 | if (!isempty(unit_load_error_name)) { | |
2347 | log_error("Unit %s is not loaded: %s", unit_name, unit_load_error_message); | |
2348 | return 0; | |
2349 | } | |
2350 | ||
2351 | r = sd_bus_get_property_string( | |
2352 | bus, | |
2353 | "org.freedesktop.systemd1", | |
2354 | unit, | |
2355 | "org.freedesktop.systemd1.Unit", | |
2356 | "FragmentPath", | |
2357 | &error, | |
2358 | &path); | |
2359 | if (r < 0) | |
2360 | return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r)); | |
2361 | ||
2362 | r = sd_bus_get_property_strv( | |
2363 | bus, | |
2364 | "org.freedesktop.systemd1", | |
2365 | unit, | |
2366 | "org.freedesktop.systemd1.Unit", | |
2367 | "DropInPaths", | |
2368 | &error, | |
2369 | &dropins); | |
2370 | if (r < 0) | |
2371 | return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r)); | |
2372 | ||
2373 | r = 0; | |
2374 | if (!isempty(path)) { | |
2375 | *fragment_path = path; | |
2376 | path = NULL; | |
2377 | r = 1; | |
2378 | } | |
2379 | ||
2380 | if (dropin_paths && !strv_isempty(dropins)) { | |
2381 | *dropin_paths = dropins; | |
2382 | dropins = NULL; | |
2383 | r = 1; | |
2384 | } | |
2385 | } else { | |
2386 | _cleanup_set_free_ Set *names; | |
2387 | ||
2388 | names = set_new(NULL); | |
2389 | if (!names) | |
2390 | return -ENOMEM; | |
2391 | ||
2392 | r = set_put(names, unit_name); | |
2393 | if (r < 0) | |
2394 | return r; | |
2395 | ||
2396 | r = unit_file_find_path(lp, unit_name, fragment_path); | |
2397 | if (r < 0) | |
2398 | return r; | |
2399 | ||
2400 | if (r == 0) { | |
2401 | _cleanup_free_ char *template; | |
2402 | ||
2403 | template = unit_name_template(unit_name); | |
2404 | if (!template) | |
2405 | return log_oom(); | |
2406 | ||
2407 | if (!streq(template, unit_name)) { | |
2408 | r = unit_file_find_path(lp, template, fragment_path); | |
2409 | if (r < 0) | |
2410 | return r; | |
2411 | } | |
2412 | } | |
2413 | ||
2414 | if (dropin_paths) | |
2415 | r = unit_file_find_dropin_paths(lp->unit_path, NULL, names, dropin_paths); | |
2416 | } | |
2417 | ||
2418 | if (r == 0) | |
2419 | log_error("No files found for %s.", unit_name); | |
2420 | ||
2421 | return r; | |
2422 | } | |
2423 | ||
2424 | static int check_one_unit(sd_bus *bus, const char *name, const char *good_states, bool quiet) { | |
2425 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2426 | _cleanup_free_ char *n = NULL, *state = NULL; | |
2427 | const char *path; | |
2428 | int r; | |
2429 | ||
2430 | assert(name); | |
2431 | ||
2432 | n = unit_name_mangle(name, MANGLE_NOGLOB); | |
2433 | if (!n) | |
2434 | return log_oom(); | |
2435 | ||
2436 | /* We don't use unit_dbus_path_from_name() directly since we | |
2437 | * don't want to load the unit if it isn't loaded. */ | |
2438 | ||
2439 | r = sd_bus_call_method( | |
2440 | bus, | |
2441 | "org.freedesktop.systemd1", | |
2442 | "/org/freedesktop/systemd1", | |
2443 | "org.freedesktop.systemd1.Manager", | |
2444 | "GetUnit", | |
2445 | NULL, | |
2446 | &reply, | |
2447 | "s", n); | |
2448 | if (r < 0) { | |
2449 | if (!quiet) | |
2450 | puts("unknown"); | |
2451 | return 0; | |
2452 | } | |
2453 | ||
2454 | r = sd_bus_message_read(reply, "o", &path); | |
2455 | if (r < 0) | |
2456 | return bus_log_parse_error(r); | |
2457 | ||
2458 | r = sd_bus_get_property_string( | |
2459 | bus, | |
2460 | "org.freedesktop.systemd1", | |
2461 | path, | |
2462 | "org.freedesktop.systemd1.Unit", | |
2463 | "ActiveState", | |
2464 | NULL, | |
2465 | &state); | |
2466 | if (r < 0) { | |
2467 | if (!quiet) | |
2468 | puts("unknown"); | |
2469 | return 0; | |
2470 | } | |
2471 | ||
2472 | if (!quiet) | |
2473 | puts(state); | |
2474 | ||
2475 | return nulstr_contains(good_states, state); | |
2476 | } | |
2477 | ||
2478 | static int check_triggering_units( | |
2479 | sd_bus *bus, | |
2480 | const char *name) { | |
2481 | ||
2482 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2483 | _cleanup_free_ char *path = NULL, *n = NULL, *state = NULL; | |
2484 | _cleanup_strv_free_ char **triggered_by = NULL; | |
2485 | bool print_warning_label = true; | |
2486 | char **i; | |
2487 | int r; | |
2488 | ||
2489 | n = unit_name_mangle(name, MANGLE_NOGLOB); | |
2490 | if (!n) | |
2491 | return log_oom(); | |
2492 | ||
2493 | path = unit_dbus_path_from_name(n); | |
2494 | if (!path) | |
2495 | return log_oom(); | |
2496 | ||
2497 | r = sd_bus_get_property_string( | |
2498 | bus, | |
2499 | "org.freedesktop.systemd1", | |
2500 | path, | |
2501 | "org.freedesktop.systemd1.Unit", | |
2502 | "LoadState", | |
2503 | &error, | |
2504 | &state); | |
2505 | if (r < 0) { | |
2506 | log_error("Failed to get load state of %s: %s", n, bus_error_message(&error, r)); | |
2507 | return r; | |
2508 | } | |
2509 | ||
2510 | if (streq(state, "masked")) | |
2511 | return 0; | |
2512 | ||
2513 | r = sd_bus_get_property_strv( | |
2514 | bus, | |
2515 | "org.freedesktop.systemd1", | |
2516 | path, | |
2517 | "org.freedesktop.systemd1.Unit", | |
2518 | "TriggeredBy", | |
2519 | &error, | |
2520 | &triggered_by); | |
2521 | if (r < 0) { | |
2522 | log_error("Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r)); | |
2523 | return r; | |
2524 | } | |
2525 | ||
2526 | STRV_FOREACH(i, triggered_by) { | |
2527 | r = check_one_unit(bus, *i, "active\0reloading\0", true); | |
2528 | if (r < 0) | |
2529 | return log_error_errno(r, "Failed to check unit: %m"); | |
2530 | ||
2531 | if (r == 0) | |
2532 | continue; | |
2533 | ||
2534 | if (print_warning_label) { | |
2535 | log_warning("Warning: Stopping %s, but it can still be activated by:", n); | |
2536 | print_warning_label = false; | |
2537 | } | |
2538 | ||
2539 | log_warning(" %s", *i); | |
2540 | } | |
2541 | ||
2542 | return 0; | |
2543 | } | |
2544 | ||
2545 | static const struct { | |
2546 | const char *verb; | |
2547 | const char *method; | |
2548 | } unit_actions[] = { | |
2549 | { "start", "StartUnit" }, | |
2550 | { "stop", "StopUnit" }, | |
2551 | { "condstop", "StopUnit" }, | |
2552 | { "reload", "ReloadUnit" }, | |
2553 | { "restart", "RestartUnit" }, | |
2554 | { "try-restart", "TryRestartUnit" }, | |
2555 | { "condrestart", "TryRestartUnit" }, | |
2556 | { "reload-or-restart", "ReloadOrRestartUnit" }, | |
2557 | { "reload-or-try-restart", "ReloadOrTryRestartUnit" }, | |
2558 | { "condreload", "ReloadOrTryRestartUnit" }, | |
2559 | { "force-reload", "ReloadOrTryRestartUnit" } | |
2560 | }; | |
2561 | ||
2562 | static const char *verb_to_method(const char *verb) { | |
2563 | uint i; | |
2564 | ||
2565 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2566 | if (streq_ptr(unit_actions[i].verb, verb)) | |
2567 | return unit_actions[i].method; | |
2568 | ||
2569 | return "StartUnit"; | |
2570 | } | |
2571 | ||
2572 | static const char *method_to_verb(const char *method) { | |
2573 | uint i; | |
2574 | ||
2575 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2576 | if (streq_ptr(unit_actions[i].method, method)) | |
2577 | return unit_actions[i].verb; | |
2578 | ||
2579 | return "n/a"; | |
2580 | } | |
2581 | ||
2582 | static int start_unit_one( | |
2583 | sd_bus *bus, | |
2584 | const char *method, | |
2585 | const char *name, | |
2586 | const char *mode, | |
2587 | sd_bus_error *error, | |
2588 | BusWaitForJobs *w) { | |
2589 | ||
2590 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; | |
2591 | const char *path; | |
2592 | int r; | |
2593 | ||
2594 | assert(method); | |
2595 | assert(name); | |
2596 | assert(mode); | |
2597 | assert(error); | |
2598 | ||
2599 | log_debug("Calling manager for %s on %s, %s", method, name, mode); | |
2600 | ||
2601 | r = sd_bus_message_new_method_call( | |
2602 | bus, | |
2603 | &m, | |
2604 | "org.freedesktop.systemd1", | |
2605 | "/org/freedesktop/systemd1", | |
2606 | "org.freedesktop.systemd1.Manager", | |
2607 | method); | |
2608 | if (r < 0) | |
2609 | return bus_log_create_error(r); | |
2610 | ||
2611 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
2612 | if (r < 0) | |
2613 | return bus_log_create_error(r); | |
2614 | ||
2615 | r = sd_bus_message_append(m, "ss", name, mode); | |
2616 | if (r < 0) | |
2617 | return bus_log_create_error(r); | |
2618 | ||
2619 | r = sd_bus_call(bus, m, 0, error, &reply); | |
2620 | if (r < 0) { | |
2621 | const char *verb; | |
2622 | ||
2623 | if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL) | |
2624 | /* There's always a fallback possible for | |
2625 | * legacy actions. */ | |
2626 | return -EADDRNOTAVAIL; | |
2627 | ||
2628 | verb = method_to_verb(method); | |
2629 | ||
2630 | log_error("Failed to %s %s: %s", verb, name, bus_error_message(error, r)); | |
2631 | return r; | |
2632 | } | |
2633 | ||
2634 | r = sd_bus_message_read(reply, "o", &path); | |
2635 | if (r < 0) | |
2636 | return bus_log_parse_error(r); | |
2637 | ||
2638 | if (need_daemon_reload(bus, name) > 0) | |
2639 | warn_unit_file_changed(name); | |
2640 | ||
2641 | if (w) { | |
2642 | log_debug("Adding %s to the set", path); | |
2643 | r = bus_wait_for_jobs_add(w, path); | |
2644 | if (r < 0) | |
2645 | return log_oom(); | |
2646 | } | |
2647 | ||
2648 | return 0; | |
2649 | } | |
2650 | ||
2651 | static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) { | |
2652 | ||
2653 | _cleanup_strv_free_ char **mangled = NULL, **globs = NULL; | |
2654 | char **name; | |
2655 | int r = 0, i; | |
2656 | ||
2657 | STRV_FOREACH(name, names) { | |
2658 | char *t; | |
2659 | ||
2660 | if (suffix) | |
2661 | t = unit_name_mangle_with_suffix(*name, MANGLE_GLOB, suffix); | |
2662 | else | |
2663 | t = unit_name_mangle(*name, MANGLE_GLOB); | |
2664 | if (!t) | |
2665 | return log_oom(); | |
2666 | ||
2667 | if (string_is_glob(t)) | |
2668 | r = strv_consume(&globs, t); | |
2669 | else | |
2670 | r = strv_consume(&mangled, t); | |
2671 | if (r < 0) | |
2672 | return log_oom(); | |
2673 | } | |
2674 | ||
2675 | /* Query the manager only if any of the names are a glob, since | |
2676 | * this is fairly expensive */ | |
2677 | if (!strv_isempty(globs)) { | |
2678 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2679 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
2680 | ||
2681 | if (!bus) | |
2682 | return log_error_errno(ENOTSUP, "Unit name globbing without bus is not implemented."); | |
2683 | ||
2684 | r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply); | |
2685 | if (r < 0) | |
2686 | return r; | |
2687 | ||
2688 | for (i = 0; i < r; i++) | |
2689 | if (strv_extend(&mangled, unit_infos[i].id) < 0) | |
2690 | return log_oom(); | |
2691 | } | |
2692 | ||
2693 | *ret = mangled; | |
2694 | mangled = NULL; /* do not free */ | |
2695 | ||
2696 | return 0; | |
2697 | } | |
2698 | ||
2699 | static const struct { | |
2700 | const char *target; | |
2701 | const char *verb; | |
2702 | const char *mode; | |
2703 | } action_table[_ACTION_MAX] = { | |
2704 | [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" }, | |
2705 | [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" }, | |
2706 | [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" }, | |
2707 | [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" }, | |
2708 | [ACTION_RUNLEVEL2] = { SPECIAL_RUNLEVEL2_TARGET, NULL, "isolate" }, | |
2709 | [ACTION_RUNLEVEL3] = { SPECIAL_RUNLEVEL3_TARGET, NULL, "isolate" }, | |
2710 | [ACTION_RUNLEVEL4] = { SPECIAL_RUNLEVEL4_TARGET, NULL, "isolate" }, | |
2711 | [ACTION_RUNLEVEL5] = { SPECIAL_RUNLEVEL5_TARGET, NULL, "isolate" }, | |
2712 | [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" }, | |
2713 | [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" }, | |
2714 | [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" }, | |
2715 | [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" }, | |
2716 | [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" }, | |
2717 | [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" }, | |
2718 | [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" }, | |
2719 | }; | |
2720 | ||
2721 | static enum action verb_to_action(const char *verb) { | |
2722 | enum action i; | |
2723 | ||
2724 | for (i = _ACTION_INVALID; i < _ACTION_MAX; i++) | |
2725 | if (streq_ptr(action_table[i].verb, verb)) | |
2726 | return i; | |
2727 | ||
2728 | return _ACTION_INVALID; | |
2729 | } | |
2730 | ||
2731 | static int start_unit(sd_bus *bus, char **args) { | |
2732 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
2733 | const char *method, *mode, *one_name, *suffix = NULL; | |
2734 | _cleanup_strv_free_ char **names = NULL; | |
2735 | char **name; | |
2736 | int r = 0; | |
2737 | ||
2738 | assert(bus); | |
2739 | ||
2740 | ask_password_agent_open_if_enabled(); | |
2741 | polkit_agent_open_if_enabled(); | |
2742 | ||
2743 | if (arg_action == ACTION_SYSTEMCTL) { | |
2744 | enum action action; | |
2745 | method = verb_to_method(args[0]); | |
2746 | action = verb_to_action(args[0]); | |
2747 | ||
2748 | if (streq(args[0], "isolate")) { | |
2749 | mode = "isolate"; | |
2750 | suffix = ".target"; | |
2751 | } else | |
2752 | mode = action_table[action].mode ?: arg_job_mode; | |
2753 | ||
2754 | one_name = action_table[action].target; | |
2755 | } else { | |
2756 | assert(arg_action < ELEMENTSOF(action_table)); | |
2757 | assert(action_table[arg_action].target); | |
2758 | ||
2759 | method = "StartUnit"; | |
2760 | ||
2761 | mode = action_table[arg_action].mode; | |
2762 | one_name = action_table[arg_action].target; | |
2763 | } | |
2764 | ||
2765 | if (one_name) | |
2766 | names = strv_new(one_name, NULL); | |
2767 | else { | |
2768 | r = expand_names(bus, args + 1, suffix, &names); | |
2769 | if (r < 0) | |
2770 | log_error_errno(r, "Failed to expand names: %m"); | |
2771 | } | |
2772 | ||
2773 | if (!arg_no_block) { | |
2774 | r = bus_wait_for_jobs_new(bus, &w); | |
2775 | if (r < 0) | |
2776 | return log_error_errno(r, "Could not watch jobs: %m"); | |
2777 | } | |
2778 | ||
2779 | STRV_FOREACH(name, names) { | |
2780 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2781 | int q; | |
2782 | ||
2783 | q = start_unit_one(bus, method, *name, mode, &error, w); | |
2784 | if (r >= 0 && q < 0) | |
2785 | r = translate_bus_error_to_exit_status(q, &error); | |
2786 | } | |
2787 | ||
2788 | if (!arg_no_block) { | |
2789 | int q; | |
2790 | ||
2791 | q = bus_wait_for_jobs(w, arg_quiet); | |
2792 | if (q < 0) | |
2793 | return q; | |
2794 | ||
2795 | /* When stopping units, warn if they can still be triggered by | |
2796 | * another active unit (socket, path, timer) */ | |
2797 | if (!arg_quiet && streq(method, "StopUnit")) | |
2798 | STRV_FOREACH(name, names) | |
2799 | check_triggering_units(bus, *name); | |
2800 | } | |
2801 | ||
2802 | return r; | |
2803 | } | |
2804 | ||
2805 | /* Ask systemd-logind, which might grant access to unprivileged users | |
2806 | * through PolicyKit */ | |
2807 | static int reboot_with_logind(sd_bus *bus, enum action a) { | |
2808 | #ifdef HAVE_LOGIND | |
2809 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
2810 | const char *method; | |
2811 | int r; | |
2812 | ||
2813 | if (!bus) | |
2814 | return -EIO; | |
2815 | ||
2816 | polkit_agent_open_if_enabled(); | |
2817 | ||
2818 | switch (a) { | |
2819 | ||
2820 | case ACTION_REBOOT: | |
2821 | method = "Reboot"; | |
2822 | break; | |
2823 | ||
2824 | case ACTION_POWEROFF: | |
2825 | method = "PowerOff"; | |
2826 | break; | |
2827 | ||
2828 | case ACTION_SUSPEND: | |
2829 | method = "Suspend"; | |
2830 | break; | |
2831 | ||
2832 | case ACTION_HIBERNATE: | |
2833 | method = "Hibernate"; | |
2834 | break; | |
2835 | ||
2836 | case ACTION_HYBRID_SLEEP: | |
2837 | method = "HybridSleep"; | |
2838 | break; | |
2839 | ||
2840 | default: | |
2841 | return -EINVAL; | |
2842 | } | |
2843 | ||
2844 | r = sd_bus_call_method( | |
2845 | bus, | |
2846 | "org.freedesktop.login1", | |
2847 | "/org/freedesktop/login1", | |
2848 | "org.freedesktop.login1.Manager", | |
2849 | method, | |
2850 | &error, | |
2851 | NULL, | |
2852 | "b", arg_ask_password); | |
2853 | if (r < 0) | |
2854 | log_error("Failed to execute operation: %s", bus_error_message(&error, r)); | |
2855 | ||
2856 | return r; | |
2857 | #else | |
2858 | return -ENOSYS; | |
2859 | #endif | |
2860 | } | |
2861 | ||
2862 | static int check_inhibitors(sd_bus *bus, enum action a) { | |
2863 | #ifdef HAVE_LOGIND | |
2864 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
2865 | _cleanup_strv_free_ char **sessions = NULL; | |
2866 | const char *what, *who, *why, *mode; | |
2867 | uint32_t uid, pid; | |
2868 | unsigned c = 0; | |
2869 | char **s; | |
2870 | int r; | |
2871 | ||
2872 | if (!bus) | |
2873 | return 0; | |
2874 | ||
2875 | if (arg_ignore_inhibitors || arg_force > 0) | |
2876 | return 0; | |
2877 | ||
2878 | if (arg_when > 0) | |
2879 | return 0; | |
2880 | ||
2881 | if (geteuid() == 0) | |
2882 | return 0; | |
2883 | ||
2884 | if (!on_tty()) | |
2885 | return 0; | |
2886 | ||
2887 | r = sd_bus_call_method( | |
2888 | bus, | |
2889 | "org.freedesktop.login1", | |
2890 | "/org/freedesktop/login1", | |
2891 | "org.freedesktop.login1.Manager", | |
2892 | "ListInhibitors", | |
2893 | NULL, | |
2894 | &reply, | |
2895 | NULL); | |
2896 | if (r < 0) | |
2897 | /* If logind is not around, then there are no inhibitors... */ | |
2898 | return 0; | |
2899 | ||
2900 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)"); | |
2901 | if (r < 0) | |
2902 | return bus_log_parse_error(r); | |
2903 | ||
2904 | while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) { | |
2905 | _cleanup_free_ char *comm = NULL, *user = NULL; | |
2906 | _cleanup_strv_free_ char **sv = NULL; | |
2907 | ||
2908 | if (!streq(mode, "block")) | |
2909 | continue; | |
2910 | ||
2911 | sv = strv_split(what, ":"); | |
2912 | if (!sv) | |
2913 | return log_oom(); | |
2914 | ||
2915 | if (!strv_contains(sv, | |
2916 | a == ACTION_HALT || | |
2917 | a == ACTION_POWEROFF || | |
2918 | a == ACTION_REBOOT || | |
2919 | a == ACTION_KEXEC ? "shutdown" : "sleep")) | |
2920 | continue; | |
2921 | ||
2922 | get_process_comm(pid, &comm); | |
2923 | user = uid_to_name(uid); | |
2924 | ||
2925 | log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".", | |
2926 | who, pid, strna(comm), strna(user), why); | |
2927 | ||
2928 | c++; | |
2929 | } | |
2930 | if (r < 0) | |
2931 | return bus_log_parse_error(r); | |
2932 | ||
2933 | r = sd_bus_message_exit_container(reply); | |
2934 | if (r < 0) | |
2935 | return bus_log_parse_error(r); | |
2936 | ||
2937 | /* Check for current sessions */ | |
2938 | sd_get_sessions(&sessions); | |
2939 | STRV_FOREACH(s, sessions) { | |
2940 | _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL; | |
2941 | ||
2942 | if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid()) | |
2943 | continue; | |
2944 | ||
2945 | if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user")) | |
2946 | continue; | |
2947 | ||
2948 | if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty"))) | |
2949 | continue; | |
2950 | ||
2951 | sd_session_get_tty(*s, &tty); | |
2952 | sd_session_get_seat(*s, &seat); | |
2953 | sd_session_get_service(*s, &service); | |
2954 | user = uid_to_name(uid); | |
2955 | ||
2956 | log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty); | |
2957 | c++; | |
2958 | } | |
2959 | ||
2960 | if (c <= 0) | |
2961 | return 0; | |
2962 | ||
2963 | log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.", | |
2964 | action_table[a].verb); | |
2965 | ||
2966 | return -EPERM; | |
2967 | #else | |
2968 | return 0; | |
2969 | #endif | |
2970 | } | |
2971 | ||
2972 | static int start_special(sd_bus *bus, char **args) { | |
2973 | enum action a; | |
2974 | int r; | |
2975 | ||
2976 | assert(args); | |
2977 | ||
2978 | a = verb_to_action(args[0]); | |
2979 | ||
2980 | r = check_inhibitors(bus, a); | |
2981 | if (r < 0) | |
2982 | return r; | |
2983 | ||
2984 | if (arg_force >= 2 && geteuid() != 0) { | |
2985 | log_error("Must be root."); | |
2986 | return -EPERM; | |
2987 | } | |
2988 | ||
2989 | if (a == ACTION_REBOOT) { | |
2990 | r = update_reboot_param_file(args[1]); | |
2991 | if (r < 0) | |
2992 | return r; | |
2993 | } | |
2994 | ||
2995 | if (arg_force >= 2 && | |
2996 | (a == ACTION_HALT || | |
2997 | a == ACTION_POWEROFF || | |
2998 | a == ACTION_REBOOT)) | |
2999 | return halt_now(a); | |
3000 | ||
3001 | if (arg_force >= 1 && | |
3002 | (a == ACTION_HALT || | |
3003 | a == ACTION_POWEROFF || | |
3004 | a == ACTION_REBOOT || | |
3005 | a == ACTION_KEXEC || | |
3006 | a == ACTION_EXIT)) | |
3007 | return daemon_reload(bus, args); | |
3008 | ||
3009 | /* first try logind, to allow authentication with polkit */ | |
3010 | if (geteuid() != 0 && | |
3011 | (a == ACTION_POWEROFF || | |
3012 | a == ACTION_REBOOT || | |
3013 | a == ACTION_SUSPEND || | |
3014 | a == ACTION_HIBERNATE || | |
3015 | a == ACTION_HYBRID_SLEEP)) { | |
3016 | r = reboot_with_logind(bus, a); | |
3017 | if (r >= 0 || IN_SET(r, -ENOTSUP, -EINPROGRESS)) | |
3018 | return r; | |
3019 | } | |
3020 | ||
3021 | r = start_unit(bus, args); | |
3022 | if (r == EXIT_SUCCESS) | |
3023 | warn_wall(a); | |
3024 | ||
3025 | return r; | |
3026 | } | |
3027 | ||
3028 | static int check_unit_generic(sd_bus *bus, int code, const char *good_states, char **args) { | |
3029 | _cleanup_strv_free_ char **names = NULL; | |
3030 | char **name; | |
3031 | int r; | |
3032 | ||
3033 | assert(bus); | |
3034 | assert(args); | |
3035 | ||
3036 | r = expand_names(bus, args, NULL, &names); | |
3037 | if (r < 0) | |
3038 | return log_error_errno(r, "Failed to expand names: %m"); | |
3039 | ||
3040 | STRV_FOREACH(name, names) { | |
3041 | int state; | |
3042 | ||
3043 | state = check_one_unit(bus, *name, good_states, arg_quiet); | |
3044 | if (state < 0) | |
3045 | return state; | |
3046 | if (state == 0) | |
3047 | r = code; | |
3048 | } | |
3049 | ||
3050 | return r; | |
3051 | } | |
3052 | ||
3053 | static int check_unit_active(sd_bus *bus, char **args) { | |
3054 | /* According to LSB: 3, "program is not running" */ | |
3055 | return check_unit_generic(bus, 3, "active\0reloading\0", args + 1); | |
3056 | } | |
3057 | ||
3058 | static int check_unit_failed(sd_bus *bus, char **args) { | |
3059 | return check_unit_generic(bus, 1, "failed\0", args + 1); | |
3060 | } | |
3061 | ||
3062 | static int kill_unit(sd_bus *bus, char **args) { | |
3063 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
3064 | _cleanup_strv_free_ char **names = NULL; | |
3065 | char **name; | |
3066 | int r, q; | |
3067 | ||
3068 | assert(bus); | |
3069 | assert(args); | |
3070 | ||
3071 | polkit_agent_open_if_enabled(); | |
3072 | ||
3073 | if (!arg_kill_who) | |
3074 | arg_kill_who = "all"; | |
3075 | ||
3076 | r = expand_names(bus, args + 1, NULL, &names); | |
3077 | if (r < 0) | |
3078 | log_error_errno(r, "Failed to expand names: %m"); | |
3079 | ||
3080 | STRV_FOREACH(name, names) { | |
3081 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
3082 | ||
3083 | q = sd_bus_message_new_method_call( | |
3084 | bus, | |
3085 | &m, | |
3086 | "org.freedesktop.systemd1", | |
3087 | "/org/freedesktop/systemd1", | |
3088 | "org.freedesktop.systemd1.Manager", | |
3089 | "KillUnit"); | |
3090 | if (q < 0) | |
3091 | return bus_log_create_error(q); | |
3092 | ||
3093 | q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
3094 | if (q < 0) | |
3095 | return bus_log_create_error(q); | |
3096 | ||
3097 | q = sd_bus_message_append(m, "ssi", *names, arg_kill_who, arg_signal); | |
3098 | if (q < 0) | |
3099 | return bus_log_create_error(q); | |
3100 | ||
3101 | q = sd_bus_call(bus, m, 0, &error, NULL); | |
3102 | if (q < 0) { | |
3103 | log_error("Failed to kill unit %s: %s", *names, bus_error_message(&error, q)); | |
3104 | if (r == 0) | |
3105 | r = q; | |
3106 | } | |
3107 | } | |
3108 | ||
3109 | return r; | |
3110 | } | |
3111 | ||
3112 | typedef struct ExecStatusInfo { | |
3113 | char *name; | |
3114 | ||
3115 | char *path; | |
3116 | char **argv; | |
3117 | ||
3118 | bool ignore; | |
3119 | ||
3120 | usec_t start_timestamp; | |
3121 | usec_t exit_timestamp; | |
3122 | pid_t pid; | |
3123 | int code; | |
3124 | int status; | |
3125 | ||
3126 | LIST_FIELDS(struct ExecStatusInfo, exec); | |
3127 | } ExecStatusInfo; | |
3128 | ||
3129 | static void exec_status_info_free(ExecStatusInfo *i) { | |
3130 | assert(i); | |
3131 | ||
3132 | free(i->name); | |
3133 | free(i->path); | |
3134 | strv_free(i->argv); | |
3135 | free(i); | |
3136 | } | |
3137 | ||
3138 | static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) { | |
3139 | uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic; | |
3140 | const char *path; | |
3141 | uint32_t pid; | |
3142 | int32_t code, status; | |
3143 | int ignore, r; | |
3144 | ||
3145 | assert(m); | |
3146 | assert(i); | |
3147 | ||
3148 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii"); | |
3149 | if (r < 0) | |
3150 | return bus_log_parse_error(r); | |
3151 | else if (r == 0) | |
3152 | return 0; | |
3153 | ||
3154 | r = sd_bus_message_read(m, "s", &path); | |
3155 | if (r < 0) | |
3156 | return bus_log_parse_error(r); | |
3157 | ||
3158 | i->path = strdup(path); | |
3159 | if (!i->path) | |
3160 | return log_oom(); | |
3161 | ||
3162 | r = sd_bus_message_read_strv(m, &i->argv); | |
3163 | if (r < 0) | |
3164 | return bus_log_parse_error(r); | |
3165 | ||
3166 | r = sd_bus_message_read(m, | |
3167 | "bttttuii", | |
3168 | &ignore, | |
3169 | &start_timestamp, &start_timestamp_monotonic, | |
3170 | &exit_timestamp, &exit_timestamp_monotonic, | |
3171 | &pid, | |
3172 | &code, &status); | |
3173 | if (r < 0) | |
3174 | return bus_log_parse_error(r); | |
3175 | ||
3176 | i->ignore = ignore; | |
3177 | i->start_timestamp = (usec_t) start_timestamp; | |
3178 | i->exit_timestamp = (usec_t) exit_timestamp; | |
3179 | i->pid = (pid_t) pid; | |
3180 | i->code = code; | |
3181 | i->status = status; | |
3182 | ||
3183 | r = sd_bus_message_exit_container(m); | |
3184 | if (r < 0) | |
3185 | return bus_log_parse_error(r); | |
3186 | ||
3187 | return 1; | |
3188 | } | |
3189 | ||
3190 | typedef struct UnitStatusInfo { | |
3191 | const char *id; | |
3192 | const char *load_state; | |
3193 | const char *active_state; | |
3194 | const char *sub_state; | |
3195 | const char *unit_file_state; | |
3196 | const char *unit_file_preset; | |
3197 | ||
3198 | const char *description; | |
3199 | const char *following; | |
3200 | ||
3201 | char **documentation; | |
3202 | ||
3203 | const char *fragment_path; | |
3204 | const char *source_path; | |
3205 | const char *control_group; | |
3206 | ||
3207 | char **dropin_paths; | |
3208 | ||
3209 | const char *load_error; | |
3210 | const char *result; | |
3211 | ||
3212 | usec_t inactive_exit_timestamp; | |
3213 | usec_t inactive_exit_timestamp_monotonic; | |
3214 | usec_t active_enter_timestamp; | |
3215 | usec_t active_exit_timestamp; | |
3216 | usec_t inactive_enter_timestamp; | |
3217 | ||
3218 | bool need_daemon_reload; | |
3219 | ||
3220 | /* Service */ | |
3221 | pid_t main_pid; | |
3222 | pid_t control_pid; | |
3223 | const char *status_text; | |
3224 | const char *pid_file; | |
3225 | bool running:1; | |
3226 | int status_errno; | |
3227 | ||
3228 | usec_t start_timestamp; | |
3229 | usec_t exit_timestamp; | |
3230 | ||
3231 | int exit_code, exit_status; | |
3232 | ||
3233 | usec_t condition_timestamp; | |
3234 | bool condition_result; | |
3235 | bool failed_condition_trigger; | |
3236 | bool failed_condition_negate; | |
3237 | const char *failed_condition; | |
3238 | const char *failed_condition_parameter; | |
3239 | ||
3240 | usec_t assert_timestamp; | |
3241 | bool assert_result; | |
3242 | bool failed_assert_trigger; | |
3243 | bool failed_assert_negate; | |
3244 | const char *failed_assert; | |
3245 | const char *failed_assert_parameter; | |
3246 | ||
3247 | /* Socket */ | |
3248 | unsigned n_accepted; | |
3249 | unsigned n_connections; | |
3250 | bool accept; | |
3251 | ||
3252 | /* Pairs of type, path */ | |
3253 | char **listen; | |
3254 | ||
3255 | /* Device */ | |
3256 | const char *sysfs_path; | |
3257 | ||
3258 | /* Mount, Automount */ | |
3259 | const char *where; | |
3260 | ||
3261 | /* Swap */ | |
3262 | const char *what; | |
3263 | ||
3264 | /* CGroup */ | |
3265 | uint64_t memory_current; | |
3266 | uint64_t memory_limit; | |
3267 | ||
3268 | LIST_HEAD(ExecStatusInfo, exec); | |
3269 | } UnitStatusInfo; | |
3270 | ||
3271 | static void print_status_info( | |
3272 | UnitStatusInfo *i, | |
3273 | bool *ellipsized) { | |
3274 | ||
3275 | ExecStatusInfo *p; | |
3276 | const char *active_on, *active_off, *on, *off, *ss; | |
3277 | usec_t timestamp; | |
3278 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; | |
3279 | char since2[FORMAT_TIMESTAMP_MAX], *s2; | |
3280 | const char *path; | |
3281 | char **t, **t2; | |
3282 | ||
3283 | assert(i); | |
3284 | ||
3285 | /* This shows pretty information about a unit. See | |
3286 | * print_property() for a low-level property printer */ | |
3287 | ||
3288 | if (streq_ptr(i->active_state, "failed")) { | |
3289 | active_on = ansi_highlight_red(); | |
3290 | active_off = ansi_highlight_off(); | |
3291 | } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) { | |
3292 | active_on = ansi_highlight_green(); | |
3293 | active_off = ansi_highlight_off(); | |
3294 | } else | |
3295 | active_on = active_off = ""; | |
3296 | ||
3297 | printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id)); | |
3298 | ||
3299 | if (i->description && !streq_ptr(i->id, i->description)) | |
3300 | printf(" - %s", i->description); | |
3301 | ||
3302 | printf("\n"); | |
3303 | ||
3304 | if (i->following) | |
3305 | printf(" Follow: unit currently follows state of %s\n", i->following); | |
3306 | ||
3307 | if (streq_ptr(i->load_state, "error")) { | |
3308 | on = ansi_highlight_red(); | |
3309 | off = ansi_highlight_off(); | |
3310 | } else | |
3311 | on = off = ""; | |
3312 | ||
3313 | path = i->source_path ? i->source_path : i->fragment_path; | |
3314 | ||
3315 | if (i->load_error) | |
3316 | printf(" Loaded: %s%s%s (Reason: %s)\n", | |
3317 | on, strna(i->load_state), off, i->load_error); | |
3318 | else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset)) | |
3319 | printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n", | |
3320 | on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset); | |
3321 | else if (path && !isempty(i->unit_file_state)) | |
3322 | printf(" Loaded: %s%s%s (%s; %s)\n", | |
3323 | on, strna(i->load_state), off, path, i->unit_file_state); | |
3324 | else if (path) | |
3325 | printf(" Loaded: %s%s%s (%s)\n", | |
3326 | on, strna(i->load_state), off, path); | |
3327 | else | |
3328 | printf(" Loaded: %s%s%s\n", | |
3329 | on, strna(i->load_state), off); | |
3330 | ||
3331 | if (!strv_isempty(i->dropin_paths)) { | |
3332 | _cleanup_free_ char *dir = NULL; | |
3333 | bool last = false; | |
3334 | char ** dropin; | |
3335 | ||
3336 | STRV_FOREACH(dropin, i->dropin_paths) { | |
3337 | if (! dir || last) { | |
3338 | printf(dir ? " " : " Drop-In: "); | |
3339 | ||
3340 | free(dir); | |
3341 | dir = NULL; | |
3342 | ||
3343 | if (path_get_parent(*dropin, &dir) < 0) { | |
3344 | log_oom(); | |
3345 | return; | |
3346 | } | |
3347 | ||
3348 | printf("%s\n %s", dir, | |
3349 | draw_special_char(DRAW_TREE_RIGHT)); | |
3350 | } | |
3351 | ||
3352 | last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir)); | |
3353 | ||
3354 | printf("%s%s", basename(*dropin), last ? "\n" : ", "); | |
3355 | } | |
3356 | } | |
3357 | ||
3358 | ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; | |
3359 | if (ss) | |
3360 | printf(" Active: %s%s (%s)%s", | |
3361 | active_on, strna(i->active_state), ss, active_off); | |
3362 | else | |
3363 | printf(" Active: %s%s%s", | |
3364 | active_on, strna(i->active_state), active_off); | |
3365 | ||
3366 | if (!isempty(i->result) && !streq(i->result, "success")) | |
3367 | printf(" (Result: %s)", i->result); | |
3368 | ||
3369 | timestamp = (streq_ptr(i->active_state, "active") || | |
3370 | streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp : | |
3371 | (streq_ptr(i->active_state, "inactive") || | |
3372 | streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp : | |
3373 | streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp : | |
3374 | i->active_exit_timestamp; | |
3375 | ||
3376 | s1 = format_timestamp_relative(since1, sizeof(since1), timestamp); | |
3377 | s2 = format_timestamp(since2, sizeof(since2), timestamp); | |
3378 | ||
3379 | if (s1) | |
3380 | printf(" since %s; %s\n", s2, s1); | |
3381 | else if (s2) | |
3382 | printf(" since %s\n", s2); | |
3383 | else | |
3384 | printf("\n"); | |
3385 | ||
3386 | if (!i->condition_result && i->condition_timestamp > 0) { | |
3387 | s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp); | |
3388 | s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp); | |
3389 | ||
3390 | printf("Condition: start %scondition failed%s at %s%s%s\n", | |
3391 | ansi_highlight_yellow(), ansi_highlight_off(), | |
3392 | s2, s1 ? "; " : "", s1 ? s1 : ""); | |
3393 | if (i->failed_condition_trigger) | |
3394 | printf(" none of the trigger conditions were met\n"); | |
3395 | else if (i->failed_condition) | |
3396 | printf(" %s=%s%s was not met\n", | |
3397 | i->failed_condition, | |
3398 | i->failed_condition_negate ? "!" : "", | |
3399 | i->failed_condition_parameter); | |
3400 | } | |
3401 | ||
3402 | if (!i->assert_result && i->assert_timestamp > 0) { | |
3403 | s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp); | |
3404 | s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp); | |
3405 | ||
3406 | printf(" Assert: start %sassertion failed%s at %s%s%s\n", | |
3407 | ansi_highlight_red(), ansi_highlight_off(), | |
3408 | s2, s1 ? "; " : "", s1 ? s1 : ""); | |
3409 | if (i->failed_assert_trigger) | |
3410 | printf(" none of the trigger assertions were met\n"); | |
3411 | else if (i->failed_assert) | |
3412 | printf(" %s=%s%s was not met\n", | |
3413 | i->failed_assert, | |
3414 | i->failed_assert_negate ? "!" : "", | |
3415 | i->failed_assert_parameter); | |
3416 | } | |
3417 | ||
3418 | if (i->sysfs_path) | |
3419 | printf(" Device: %s\n", i->sysfs_path); | |
3420 | if (i->where) | |
3421 | printf(" Where: %s\n", i->where); | |
3422 | if (i->what) | |
3423 | printf(" What: %s\n", i->what); | |
3424 | ||
3425 | STRV_FOREACH(t, i->documentation) | |
3426 | printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", *t); | |
3427 | ||
3428 | STRV_FOREACH_PAIR(t, t2, i->listen) | |
3429 | printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t); | |
3430 | ||
3431 | if (i->accept) | |
3432 | printf(" Accepted: %u; Connected: %u\n", i->n_accepted, i->n_connections); | |
3433 | ||
3434 | LIST_FOREACH(exec, p, i->exec) { | |
3435 | _cleanup_free_ char *argv = NULL; | |
3436 | bool good; | |
3437 | ||
3438 | /* Only show exited processes here */ | |
3439 | if (p->code == 0) | |
3440 | continue; | |
3441 | ||
3442 | argv = strv_join(p->argv, " "); | |
3443 | printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv)); | |
3444 | ||
3445 | good = is_clean_exit_lsb(p->code, p->status, NULL); | |
3446 | if (!good) { | |
3447 | on = ansi_highlight_red(); | |
3448 | off = ansi_highlight_off(); | |
3449 | } else | |
3450 | on = off = ""; | |
3451 | ||
3452 | printf("%s(code=%s, ", on, sigchld_code_to_string(p->code)); | |
3453 | ||
3454 | if (p->code == CLD_EXITED) { | |
3455 | const char *c; | |
3456 | ||
3457 | printf("status=%i", p->status); | |
3458 | ||
3459 | c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD); | |
3460 | if (c) | |
3461 | printf("/%s", c); | |
3462 | ||
3463 | } else | |
3464 | printf("signal=%s", signal_to_string(p->status)); | |
3465 | ||
3466 | printf(")%s\n", off); | |
3467 | ||
3468 | if (i->main_pid == p->pid && | |
3469 | i->start_timestamp == p->start_timestamp && | |
3470 | i->exit_timestamp == p->start_timestamp) | |
3471 | /* Let's not show this twice */ | |
3472 | i->main_pid = 0; | |
3473 | ||
3474 | if (p->pid == i->control_pid) | |
3475 | i->control_pid = 0; | |
3476 | } | |
3477 | ||
3478 | if (i->main_pid > 0 || i->control_pid > 0) { | |
3479 | if (i->main_pid > 0) { | |
3480 | printf(" Main PID: "PID_FMT, i->main_pid); | |
3481 | ||
3482 | if (i->running) { | |
3483 | _cleanup_free_ char *comm = NULL; | |
3484 | get_process_comm(i->main_pid, &comm); | |
3485 | if (comm) | |
3486 | printf(" (%s)", comm); | |
3487 | } else if (i->exit_code > 0) { | |
3488 | printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); | |
3489 | ||
3490 | if (i->exit_code == CLD_EXITED) { | |
3491 | const char *c; | |
3492 | ||
3493 | printf("status=%i", i->exit_status); | |
3494 | ||
3495 | c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD); | |
3496 | if (c) | |
3497 | printf("/%s", c); | |
3498 | ||
3499 | } else | |
3500 | printf("signal=%s", signal_to_string(i->exit_status)); | |
3501 | printf(")"); | |
3502 | } | |
3503 | ||
3504 | if (i->control_pid > 0) | |
3505 | printf(";"); | |
3506 | } | |
3507 | ||
3508 | if (i->control_pid > 0) { | |
3509 | _cleanup_free_ char *c = NULL; | |
3510 | ||
3511 | printf(" %8s: "PID_FMT, i->main_pid ? "" : " Control", i->control_pid); | |
3512 | ||
3513 | get_process_comm(i->control_pid, &c); | |
3514 | if (c) | |
3515 | printf(" (%s)", c); | |
3516 | } | |
3517 | ||
3518 | printf("\n"); | |
3519 | } | |
3520 | ||
3521 | if (i->status_text) | |
3522 | printf(" Status: \"%s\"\n", i->status_text); | |
3523 | if (i->status_errno > 0) | |
3524 | printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno)); | |
3525 | ||
3526 | if (i->memory_current != (uint64_t) -1) { | |
3527 | char buf[FORMAT_BYTES_MAX]; | |
3528 | ||
3529 | printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current)); | |
3530 | ||
3531 | if (i->memory_limit != (uint64_t) -1) | |
3532 | printf(" (limit: %s)\n", format_bytes(buf, sizeof(buf), i->memory_limit)); | |
3533 | else | |
3534 | printf("\n"); | |
3535 | } | |
3536 | ||
3537 | if (i->control_group && | |
3538 | (i->main_pid > 0 || i->control_pid > 0 || | |
3539 | ((arg_transport != BUS_TRANSPORT_LOCAL && arg_transport != BUS_TRANSPORT_MACHINE) || cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, i->control_group, false) == 0))) { | |
3540 | unsigned c; | |
3541 | ||
3542 | printf(" CGroup: %s\n", i->control_group); | |
3543 | ||
3544 | if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) { | |
3545 | unsigned k = 0; | |
3546 | pid_t extra[2]; | |
3547 | static const char prefix[] = " "; | |
3548 | ||
3549 | c = columns(); | |
3550 | if (c > sizeof(prefix) - 1) | |
3551 | c -= sizeof(prefix) - 1; | |
3552 | else | |
3553 | c = 0; | |
3554 | ||
3555 | if (i->main_pid > 0) | |
3556 | extra[k++] = i->main_pid; | |
3557 | ||
3558 | if (i->control_pid > 0) | |
3559 | extra[k++] = i->control_pid; | |
3560 | ||
3561 | show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, false, extra, k, get_output_flags()); | |
3562 | } | |
3563 | } | |
3564 | ||
3565 | if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) { | |
3566 | show_journal_by_unit( | |
3567 | stdout, | |
3568 | i->id, | |
3569 | arg_output, | |
3570 | 0, | |
3571 | i->inactive_exit_timestamp_monotonic, | |
3572 | arg_lines, | |
3573 | getuid(), | |
3574 | get_output_flags() | OUTPUT_BEGIN_NEWLINE, | |
3575 | SD_JOURNAL_LOCAL_ONLY, | |
3576 | arg_scope == UNIT_FILE_SYSTEM, | |
3577 | ellipsized); | |
3578 | } | |
3579 | ||
3580 | if (i->need_daemon_reload) | |
3581 | warn_unit_file_changed(i->id); | |
3582 | } | |
3583 | ||
3584 | static void show_unit_help(UnitStatusInfo *i) { | |
3585 | char **p; | |
3586 | ||
3587 | assert(i); | |
3588 | ||
3589 | if (!i->documentation) { | |
3590 | log_info("Documentation for %s not known.", i->id); | |
3591 | return; | |
3592 | } | |
3593 | ||
3594 | STRV_FOREACH(p, i->documentation) | |
3595 | if (startswith(*p, "man:")) | |
3596 | show_man_page(*p + 4, false); | |
3597 | else | |
3598 | log_info("Can't show: %s", *p); | |
3599 | } | |
3600 | ||
3601 | static int status_property(const char *name, sd_bus_message *m, UnitStatusInfo *i, const char *contents) { | |
3602 | int r; | |
3603 | ||
3604 | assert(name); | |
3605 | assert(m); | |
3606 | assert(i); | |
3607 | ||
3608 | switch (contents[0]) { | |
3609 | ||
3610 | case SD_BUS_TYPE_STRING: { | |
3611 | const char *s; | |
3612 | ||
3613 | r = sd_bus_message_read(m, "s", &s); | |
3614 | if (r < 0) | |
3615 | return bus_log_parse_error(r); | |
3616 | ||
3617 | if (!isempty(s)) { | |
3618 | if (streq(name, "Id")) | |
3619 | i->id = s; | |
3620 | else if (streq(name, "LoadState")) | |
3621 | i->load_state = s; | |
3622 | else if (streq(name, "ActiveState")) | |
3623 | i->active_state = s; | |
3624 | else if (streq(name, "SubState")) | |
3625 | i->sub_state = s; | |
3626 | else if (streq(name, "Description")) | |
3627 | i->description = s; | |
3628 | else if (streq(name, "FragmentPath")) | |
3629 | i->fragment_path = s; | |
3630 | else if (streq(name, "SourcePath")) | |
3631 | i->source_path = s; | |
3632 | #ifndef NOLEGACY | |
3633 | else if (streq(name, "DefaultControlGroup")) { | |
3634 | const char *e; | |
3635 | e = startswith(s, SYSTEMD_CGROUP_CONTROLLER ":"); | |
3636 | if (e) | |
3637 | i->control_group = e; | |
3638 | } | |
3639 | #endif | |
3640 | else if (streq(name, "ControlGroup")) | |
3641 | i->control_group = s; | |
3642 | else if (streq(name, "StatusText")) | |
3643 | i->status_text = s; | |
3644 | else if (streq(name, "PIDFile")) | |
3645 | i->pid_file = s; | |
3646 | else if (streq(name, "SysFSPath")) | |
3647 | i->sysfs_path = s; | |
3648 | else if (streq(name, "Where")) | |
3649 | i->where = s; | |
3650 | else if (streq(name, "What")) | |
3651 | i->what = s; | |
3652 | else if (streq(name, "Following")) | |
3653 | i->following = s; | |
3654 | else if (streq(name, "UnitFileState")) | |
3655 | i->unit_file_state = s; | |
3656 | else if (streq(name, "UnitFilePreset")) | |
3657 | i->unit_file_preset = s; | |
3658 | else if (streq(name, "Result")) | |
3659 | i->result = s; | |
3660 | } | |
3661 | ||
3662 | break; | |
3663 | } | |
3664 | ||
3665 | case SD_BUS_TYPE_BOOLEAN: { | |
3666 | int b; | |
3667 | ||
3668 | r = sd_bus_message_read(m, "b", &b); | |
3669 | if (r < 0) | |
3670 | return bus_log_parse_error(r); | |
3671 | ||
3672 | if (streq(name, "Accept")) | |
3673 | i->accept = b; | |
3674 | else if (streq(name, "NeedDaemonReload")) | |
3675 | i->need_daemon_reload = b; | |
3676 | else if (streq(name, "ConditionResult")) | |
3677 | i->condition_result = b; | |
3678 | else if (streq(name, "AssertResult")) | |
3679 | i->assert_result = b; | |
3680 | ||
3681 | break; | |
3682 | } | |
3683 | ||
3684 | case SD_BUS_TYPE_UINT32: { | |
3685 | uint32_t u; | |
3686 | ||
3687 | r = sd_bus_message_read(m, "u", &u); | |
3688 | if (r < 0) | |
3689 | return bus_log_parse_error(r); | |
3690 | ||
3691 | if (streq(name, "MainPID")) { | |
3692 | if (u > 0) { | |
3693 | i->main_pid = (pid_t) u; | |
3694 | i->running = true; | |
3695 | } | |
3696 | } else if (streq(name, "ControlPID")) | |
3697 | i->control_pid = (pid_t) u; | |
3698 | else if (streq(name, "ExecMainPID")) { | |
3699 | if (u > 0) | |
3700 | i->main_pid = (pid_t) u; | |
3701 | } else if (streq(name, "NAccepted")) | |
3702 | i->n_accepted = u; | |
3703 | else if (streq(name, "NConnections")) | |
3704 | i->n_connections = u; | |
3705 | ||
3706 | break; | |
3707 | } | |
3708 | ||
3709 | case SD_BUS_TYPE_INT32: { | |
3710 | int32_t j; | |
3711 | ||
3712 | r = sd_bus_message_read(m, "i", &j); | |
3713 | if (r < 0) | |
3714 | return bus_log_parse_error(r); | |
3715 | ||
3716 | if (streq(name, "ExecMainCode")) | |
3717 | i->exit_code = (int) j; | |
3718 | else if (streq(name, "ExecMainStatus")) | |
3719 | i->exit_status = (int) j; | |
3720 | else if (streq(name, "StatusErrno")) | |
3721 | i->status_errno = (int) j; | |
3722 | ||
3723 | break; | |
3724 | } | |
3725 | ||
3726 | case SD_BUS_TYPE_UINT64: { | |
3727 | uint64_t u; | |
3728 | ||
3729 | r = sd_bus_message_read(m, "t", &u); | |
3730 | if (r < 0) | |
3731 | return bus_log_parse_error(r); | |
3732 | ||
3733 | if (streq(name, "ExecMainStartTimestamp")) | |
3734 | i->start_timestamp = (usec_t) u; | |
3735 | else if (streq(name, "ExecMainExitTimestamp")) | |
3736 | i->exit_timestamp = (usec_t) u; | |
3737 | else if (streq(name, "ActiveEnterTimestamp")) | |
3738 | i->active_enter_timestamp = (usec_t) u; | |
3739 | else if (streq(name, "InactiveEnterTimestamp")) | |
3740 | i->inactive_enter_timestamp = (usec_t) u; | |
3741 | else if (streq(name, "InactiveExitTimestamp")) | |
3742 | i->inactive_exit_timestamp = (usec_t) u; | |
3743 | else if (streq(name, "InactiveExitTimestampMonotonic")) | |
3744 | i->inactive_exit_timestamp_monotonic = (usec_t) u; | |
3745 | else if (streq(name, "ActiveExitTimestamp")) | |
3746 | i->active_exit_timestamp = (usec_t) u; | |
3747 | else if (streq(name, "ConditionTimestamp")) | |
3748 | i->condition_timestamp = (usec_t) u; | |
3749 | else if (streq(name, "AssertTimestamp")) | |
3750 | i->assert_timestamp = (usec_t) u; | |
3751 | else if (streq(name, "MemoryCurrent")) | |
3752 | i->memory_current = u; | |
3753 | else if (streq(name, "MemoryLimit")) | |
3754 | i->memory_limit = u; | |
3755 | ||
3756 | break; | |
3757 | } | |
3758 | ||
3759 | case SD_BUS_TYPE_ARRAY: | |
3760 | ||
3761 | if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { | |
3762 | _cleanup_free_ ExecStatusInfo *info = NULL; | |
3763 | ||
3764 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
3765 | if (r < 0) | |
3766 | return bus_log_parse_error(r); | |
3767 | ||
3768 | info = new0(ExecStatusInfo, 1); | |
3769 | if (!info) | |
3770 | return log_oom(); | |
3771 | ||
3772 | while ((r = exec_status_info_deserialize(m, info)) > 0) { | |
3773 | ||
3774 | info->name = strdup(name); | |
3775 | if (!info->name) | |
3776 | log_oom(); | |
3777 | ||
3778 | LIST_PREPEND(exec, i->exec, info); | |
3779 | ||
3780 | info = new0(ExecStatusInfo, 1); | |
3781 | if (!info) | |
3782 | log_oom(); | |
3783 | } | |
3784 | ||
3785 | if (r < 0) | |
3786 | return bus_log_parse_error(r); | |
3787 | ||
3788 | r = sd_bus_message_exit_container(m); | |
3789 | if (r < 0) | |
3790 | return bus_log_parse_error(r); | |
3791 | ||
3792 | return 0; | |
3793 | ||
3794 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { | |
3795 | const char *type, *path; | |
3796 | ||
3797 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
3798 | if (r < 0) | |
3799 | return bus_log_parse_error(r); | |
3800 | ||
3801 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) { | |
3802 | ||
3803 | r = strv_extend(&i->listen, type); | |
3804 | if (r < 0) | |
3805 | return r; | |
3806 | ||
3807 | r = strv_extend(&i->listen, path); | |
3808 | if (r < 0) | |
3809 | return r; | |
3810 | } | |
3811 | if (r < 0) | |
3812 | return bus_log_parse_error(r); | |
3813 | ||
3814 | r = sd_bus_message_exit_container(m); | |
3815 | if (r < 0) | |
3816 | return bus_log_parse_error(r); | |
3817 | ||
3818 | return 0; | |
3819 | ||
3820 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "DropInPaths")) { | |
3821 | ||
3822 | r = sd_bus_message_read_strv(m, &i->dropin_paths); | |
3823 | if (r < 0) | |
3824 | return bus_log_parse_error(r); | |
3825 | ||
3826 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Documentation")) { | |
3827 | ||
3828 | r = sd_bus_message_read_strv(m, &i->documentation); | |
3829 | if (r < 0) | |
3830 | return bus_log_parse_error(r); | |
3831 | ||
3832 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Conditions")) { | |
3833 | const char *cond, *param; | |
3834 | int trigger, negate; | |
3835 | int32_t state; | |
3836 | ||
3837 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
3838 | if (r < 0) | |
3839 | return bus_log_parse_error(r); | |
3840 | ||
3841 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
3842 | log_debug("%s %d %d %s %d", cond, trigger, negate, param, state); | |
3843 | if (state < 0 && (!trigger || !i->failed_condition)) { | |
3844 | i->failed_condition = cond; | |
3845 | i->failed_condition_trigger = trigger; | |
3846 | i->failed_condition_negate = negate; | |
3847 | i->failed_condition_parameter = param; | |
3848 | } | |
3849 | } | |
3850 | if (r < 0) | |
3851 | return bus_log_parse_error(r); | |
3852 | ||
3853 | r = sd_bus_message_exit_container(m); | |
3854 | if (r < 0) | |
3855 | return bus_log_parse_error(r); | |
3856 | ||
3857 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Asserts")) { | |
3858 | const char *cond, *param; | |
3859 | int trigger, negate; | |
3860 | int32_t state; | |
3861 | ||
3862 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
3863 | if (r < 0) | |
3864 | return bus_log_parse_error(r); | |
3865 | ||
3866 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
3867 | log_debug("%s %d %d %s %d", cond, trigger, negate, param, state); | |
3868 | if (state < 0 && (!trigger || !i->failed_assert)) { | |
3869 | i->failed_assert = cond; | |
3870 | i->failed_assert_trigger = trigger; | |
3871 | i->failed_assert_negate = negate; | |
3872 | i->failed_assert_parameter = param; | |
3873 | } | |
3874 | } | |
3875 | if (r < 0) | |
3876 | return bus_log_parse_error(r); | |
3877 | ||
3878 | r = sd_bus_message_exit_container(m); | |
3879 | if (r < 0) | |
3880 | return bus_log_parse_error(r); | |
3881 | ||
3882 | } else | |
3883 | goto skip; | |
3884 | ||
3885 | break; | |
3886 | ||
3887 | case SD_BUS_TYPE_STRUCT_BEGIN: | |
3888 | ||
3889 | if (streq(name, "LoadError")) { | |
3890 | const char *n, *message; | |
3891 | ||
3892 | r = sd_bus_message_read(m, "(ss)", &n, &message); | |
3893 | if (r < 0) | |
3894 | return bus_log_parse_error(r); | |
3895 | ||
3896 | if (!isempty(message)) | |
3897 | i->load_error = message; | |
3898 | } else | |
3899 | goto skip; | |
3900 | ||
3901 | break; | |
3902 | ||
3903 | default: | |
3904 | goto skip; | |
3905 | } | |
3906 | ||
3907 | return 0; | |
3908 | ||
3909 | skip: | |
3910 | r = sd_bus_message_skip(m, contents); | |
3911 | if (r < 0) | |
3912 | return bus_log_parse_error(r); | |
3913 | ||
3914 | return 0; | |
3915 | } | |
3916 | ||
3917 | static int print_property(const char *name, sd_bus_message *m, const char *contents) { | |
3918 | int r; | |
3919 | ||
3920 | assert(name); | |
3921 | assert(m); | |
3922 | ||
3923 | /* This is a low-level property printer, see | |
3924 | * print_status_info() for the nicer output */ | |
3925 | ||
3926 | if (arg_properties && !strv_find(arg_properties, name)) { | |
3927 | /* skip what we didn't read */ | |
3928 | r = sd_bus_message_skip(m, contents); | |
3929 | return r; | |
3930 | } | |
3931 | ||
3932 | switch (contents[0]) { | |
3933 | ||
3934 | case SD_BUS_TYPE_STRUCT_BEGIN: | |
3935 | ||
3936 | if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) { | |
3937 | uint32_t u; | |
3938 | ||
3939 | r = sd_bus_message_read(m, "(uo)", &u, NULL); | |
3940 | if (r < 0) | |
3941 | return bus_log_parse_error(r); | |
3942 | ||
3943 | if (u > 0) | |
3944 | printf("%s=%"PRIu32"\n", name, u); | |
3945 | else if (arg_all) | |
3946 | printf("%s=\n", name); | |
3947 | ||
3948 | return 0; | |
3949 | ||
3950 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "Unit")) { | |
3951 | const char *s; | |
3952 | ||
3953 | r = sd_bus_message_read(m, "(so)", &s, NULL); | |
3954 | if (r < 0) | |
3955 | return bus_log_parse_error(r); | |
3956 | ||
3957 | if (arg_all || !isempty(s)) | |
3958 | printf("%s=%s\n", name, s); | |
3959 | ||
3960 | return 0; | |
3961 | ||
3962 | } else if (contents[1] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) { | |
3963 | const char *a = NULL, *b = NULL; | |
3964 | ||
3965 | r = sd_bus_message_read(m, "(ss)", &a, &b); | |
3966 | if (r < 0) | |
3967 | return bus_log_parse_error(r); | |
3968 | ||
3969 | if (arg_all || !isempty(a) || !isempty(b)) | |
3970 | printf("%s=%s \"%s\"\n", name, strempty(a), strempty(b)); | |
3971 | ||
3972 | return 0; | |
3973 | } else if (streq_ptr(name, "SystemCallFilter")) { | |
3974 | _cleanup_strv_free_ char **l = NULL; | |
3975 | int whitelist; | |
3976 | ||
3977 | r = sd_bus_message_enter_container(m, 'r', "bas"); | |
3978 | if (r < 0) | |
3979 | return bus_log_parse_error(r); | |
3980 | ||
3981 | r = sd_bus_message_read(m, "b", &whitelist); | |
3982 | if (r < 0) | |
3983 | return bus_log_parse_error(r); | |
3984 | ||
3985 | r = sd_bus_message_read_strv(m, &l); | |
3986 | if (r < 0) | |
3987 | return bus_log_parse_error(r); | |
3988 | ||
3989 | r = sd_bus_message_exit_container(m); | |
3990 | if (r < 0) | |
3991 | return bus_log_parse_error(r); | |
3992 | ||
3993 | if (arg_all || whitelist || !strv_isempty(l)) { | |
3994 | bool first = true; | |
3995 | char **i; | |
3996 | ||
3997 | fputs(name, stdout); | |
3998 | fputc('=', stdout); | |
3999 | ||
4000 | if (!whitelist) | |
4001 | fputc('~', stdout); | |
4002 | ||
4003 | STRV_FOREACH(i, l) { | |
4004 | if (first) | |
4005 | first = false; | |
4006 | else | |
4007 | fputc(' ', stdout); | |
4008 | ||
4009 | fputs(*i, stdout); | |
4010 | } | |
4011 | fputc('\n', stdout); | |
4012 | } | |
4013 | ||
4014 | return 0; | |
4015 | } | |
4016 | ||
4017 | break; | |
4018 | ||
4019 | case SD_BUS_TYPE_ARRAY: | |
4020 | ||
4021 | if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) { | |
4022 | const char *path; | |
4023 | int ignore; | |
4024 | ||
4025 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)"); | |
4026 | if (r < 0) | |
4027 | return bus_log_parse_error(r); | |
4028 | ||
4029 | while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0) | |
4030 | printf("EnvironmentFile=%s (ignore_errors=%s)\n", path, yes_no(ignore)); | |
4031 | ||
4032 | if (r < 0) | |
4033 | return bus_log_parse_error(r); | |
4034 | ||
4035 | r = sd_bus_message_exit_container(m); | |
4036 | if (r < 0) | |
4037 | return bus_log_parse_error(r); | |
4038 | ||
4039 | return 0; | |
4040 | ||
4041 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) { | |
4042 | const char *type, *path; | |
4043 | ||
4044 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4045 | if (r < 0) | |
4046 | return bus_log_parse_error(r); | |
4047 | ||
4048 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
4049 | printf("%s=%s\n", type, path); | |
4050 | if (r < 0) | |
4051 | return bus_log_parse_error(r); | |
4052 | ||
4053 | r = sd_bus_message_exit_container(m); | |
4054 | if (r < 0) | |
4055 | return bus_log_parse_error(r); | |
4056 | ||
4057 | return 0; | |
4058 | ||
4059 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { | |
4060 | const char *type, *path; | |
4061 | ||
4062 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4063 | if (r < 0) | |
4064 | return bus_log_parse_error(r); | |
4065 | ||
4066 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
4067 | printf("Listen%s=%s\n", type, path); | |
4068 | if (r < 0) | |
4069 | return bus_log_parse_error(r); | |
4070 | ||
4071 | r = sd_bus_message_exit_container(m); | |
4072 | if (r < 0) | |
4073 | return bus_log_parse_error(r); | |
4074 | ||
4075 | return 0; | |
4076 | ||
4077 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Timers")) { | |
4078 | const char *base; | |
4079 | uint64_t value, next_elapse; | |
4080 | ||
4081 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)"); | |
4082 | if (r < 0) | |
4083 | return bus_log_parse_error(r); | |
4084 | ||
4085 | while ((r = sd_bus_message_read(m, "(stt)", &base, &value, &next_elapse)) > 0) { | |
4086 | char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX]; | |
4087 | ||
4088 | printf("%s={ value=%s ; next_elapse=%s }\n", | |
4089 | base, | |
4090 | format_timespan(timespan1, sizeof(timespan1), value, 0), | |
4091 | format_timespan(timespan2, sizeof(timespan2), next_elapse, 0)); | |
4092 | } | |
4093 | if (r < 0) | |
4094 | return bus_log_parse_error(r); | |
4095 | ||
4096 | r = sd_bus_message_exit_container(m); | |
4097 | if (r < 0) | |
4098 | return bus_log_parse_error(r); | |
4099 | ||
4100 | return 0; | |
4101 | ||
4102 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { | |
4103 | ExecStatusInfo info = {}; | |
4104 | ||
4105 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
4106 | if (r < 0) | |
4107 | return bus_log_parse_error(r); | |
4108 | ||
4109 | while ((r = exec_status_info_deserialize(m, &info)) > 0) { | |
4110 | char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX]; | |
4111 | _cleanup_free_ char *tt; | |
4112 | ||
4113 | tt = strv_join(info.argv, " "); | |
4114 | ||
4115 | printf("%s={ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }\n", | |
4116 | name, | |
4117 | strna(info.path), | |
4118 | strna(tt), | |
4119 | yes_no(info.ignore), | |
4120 | strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), | |
4121 | strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), | |
4122 | info.pid, | |
4123 | sigchld_code_to_string(info.code), | |
4124 | info.status, | |
4125 | info.code == CLD_EXITED ? "" : "/", | |
4126 | strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); | |
4127 | ||
4128 | free(info.path); | |
4129 | strv_free(info.argv); | |
4130 | zero(info); | |
4131 | } | |
4132 | ||
4133 | r = sd_bus_message_exit_container(m); | |
4134 | if (r < 0) | |
4135 | return bus_log_parse_error(r); | |
4136 | ||
4137 | return 0; | |
4138 | ||
4139 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) { | |
4140 | const char *path, *rwm; | |
4141 | ||
4142 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4143 | if (r < 0) | |
4144 | return bus_log_parse_error(r); | |
4145 | ||
4146 | while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0) | |
4147 | printf("%s=%s %s\n", name, strna(path), strna(rwm)); | |
4148 | if (r < 0) | |
4149 | return bus_log_parse_error(r); | |
4150 | ||
4151 | r = sd_bus_message_exit_container(m); | |
4152 | if (r < 0) | |
4153 | return bus_log_parse_error(r); | |
4154 | ||
4155 | return 0; | |
4156 | ||
4157 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "BlockIODeviceWeight")) { | |
4158 | const char *path; | |
4159 | uint64_t weight; | |
4160 | ||
4161 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
4162 | if (r < 0) | |
4163 | return bus_log_parse_error(r); | |
4164 | ||
4165 | while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0) | |
4166 | printf("%s=%s %" PRIu64 "\n", name, strna(path), weight); | |
4167 | if (r < 0) | |
4168 | return bus_log_parse_error(r); | |
4169 | ||
4170 | r = sd_bus_message_exit_container(m); | |
4171 | if (r < 0) | |
4172 | return bus_log_parse_error(r); | |
4173 | ||
4174 | return 0; | |
4175 | ||
4176 | } else if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && (streq(name, "BlockIOReadBandwidth") || streq(name, "BlockIOWriteBandwidth"))) { | |
4177 | const char *path; | |
4178 | uint64_t bandwidth; | |
4179 | ||
4180 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
4181 | if (r < 0) | |
4182 | return bus_log_parse_error(r); | |
4183 | ||
4184 | while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0) | |
4185 | printf("%s=%s %" PRIu64 "\n", name, strna(path), bandwidth); | |
4186 | if (r < 0) | |
4187 | return bus_log_parse_error(r); | |
4188 | ||
4189 | r = sd_bus_message_exit_container(m); | |
4190 | if (r < 0) | |
4191 | return bus_log_parse_error(r); | |
4192 | ||
4193 | return 0; | |
4194 | } | |
4195 | ||
4196 | break; | |
4197 | } | |
4198 | ||
4199 | r = bus_print_property(name, m, arg_all); | |
4200 | if (r < 0) | |
4201 | return bus_log_parse_error(r); | |
4202 | ||
4203 | if (r == 0) { | |
4204 | r = sd_bus_message_skip(m, contents); | |
4205 | if (r < 0) | |
4206 | return bus_log_parse_error(r); | |
4207 | ||
4208 | if (arg_all) | |
4209 | printf("%s=[unprintable]\n", name); | |
4210 | } | |
4211 | ||
4212 | return 0; | |
4213 | } | |
4214 | ||
4215 | static int show_one( | |
4216 | const char *verb, | |
4217 | sd_bus *bus, | |
4218 | const char *path, | |
4219 | bool show_properties, | |
4220 | bool *new_line, | |
4221 | bool *ellipsized) { | |
4222 | ||
4223 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
4224 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4225 | UnitStatusInfo info = { | |
4226 | .memory_current = (uint64_t) -1, | |
4227 | .memory_limit = (uint64_t) -1, | |
4228 | }; | |
4229 | ExecStatusInfo *p; | |
4230 | int r; | |
4231 | ||
4232 | assert(path); | |
4233 | assert(new_line); | |
4234 | ||
4235 | log_debug("Showing one %s", path); | |
4236 | ||
4237 | r = sd_bus_call_method( | |
4238 | bus, | |
4239 | "org.freedesktop.systemd1", | |
4240 | path, | |
4241 | "org.freedesktop.DBus.Properties", | |
4242 | "GetAll", | |
4243 | &error, | |
4244 | &reply, | |
4245 | "s", ""); | |
4246 | if (r < 0) { | |
4247 | log_error("Failed to get properties: %s", bus_error_message(&error, r)); | |
4248 | return r; | |
4249 | } | |
4250 | ||
4251 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); | |
4252 | if (r < 0) | |
4253 | return bus_log_parse_error(r); | |
4254 | ||
4255 | if (*new_line) | |
4256 | printf("\n"); | |
4257 | ||
4258 | *new_line = true; | |
4259 | ||
4260 | while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { | |
4261 | const char *name, *contents; | |
4262 | ||
4263 | r = sd_bus_message_read(reply, "s", &name); | |
4264 | if (r < 0) | |
4265 | return bus_log_parse_error(r); | |
4266 | ||
4267 | r = sd_bus_message_peek_type(reply, NULL, &contents); | |
4268 | if (r < 0) | |
4269 | return bus_log_parse_error(r); | |
4270 | ||
4271 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents); | |
4272 | if (r < 0) | |
4273 | return bus_log_parse_error(r); | |
4274 | ||
4275 | if (show_properties) | |
4276 | r = print_property(name, reply, contents); | |
4277 | else | |
4278 | r = status_property(name, reply, &info, contents); | |
4279 | if (r < 0) | |
4280 | return r; | |
4281 | ||
4282 | r = sd_bus_message_exit_container(reply); | |
4283 | if (r < 0) | |
4284 | return bus_log_parse_error(r); | |
4285 | ||
4286 | r = sd_bus_message_exit_container(reply); | |
4287 | if (r < 0) | |
4288 | return bus_log_parse_error(r); | |
4289 | } | |
4290 | if (r < 0) | |
4291 | return bus_log_parse_error(r); | |
4292 | ||
4293 | r = sd_bus_message_exit_container(reply); | |
4294 | if (r < 0) | |
4295 | return bus_log_parse_error(r); | |
4296 | ||
4297 | r = 0; | |
4298 | ||
4299 | if (!show_properties) { | |
4300 | if (streq(verb, "help")) | |
4301 | show_unit_help(&info); | |
4302 | else | |
4303 | print_status_info(&info, ellipsized); | |
4304 | } | |
4305 | ||
4306 | strv_free(info.documentation); | |
4307 | strv_free(info.dropin_paths); | |
4308 | strv_free(info.listen); | |
4309 | ||
4310 | if (!streq_ptr(info.active_state, "active") && | |
4311 | !streq_ptr(info.active_state, "reloading") && | |
4312 | streq(verb, "status")) { | |
4313 | /* According to LSB: "program not running" */ | |
4314 | /* 0: program is running or service is OK | |
4315 | * 1: program is dead and /run PID file exists | |
4316 | * 2: program is dead and /run/lock lock file exists | |
4317 | * 3: program is not running | |
4318 | * 4: program or service status is unknown | |
4319 | */ | |
4320 | if (info.pid_file && access(info.pid_file, F_OK) == 0) | |
4321 | r = 1; | |
4322 | else | |
4323 | r = 3; | |
4324 | } | |
4325 | ||
4326 | while ((p = info.exec)) { | |
4327 | LIST_REMOVE(exec, info.exec, p); | |
4328 | exec_status_info_free(p); | |
4329 | } | |
4330 | ||
4331 | return r; | |
4332 | } | |
4333 | ||
4334 | static int get_unit_dbus_path_by_pid( | |
4335 | sd_bus *bus, | |
4336 | uint32_t pid, | |
4337 | char **unit) { | |
4338 | ||
4339 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4340 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
4341 | char *u; | |
4342 | int r; | |
4343 | ||
4344 | r = sd_bus_call_method( | |
4345 | bus, | |
4346 | "org.freedesktop.systemd1", | |
4347 | "/org/freedesktop/systemd1", | |
4348 | "org.freedesktop.systemd1.Manager", | |
4349 | "GetUnitByPID", | |
4350 | &error, | |
4351 | &reply, | |
4352 | "u", pid); | |
4353 | if (r < 0) { | |
4354 | log_error("Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r)); | |
4355 | return r; | |
4356 | } | |
4357 | ||
4358 | r = sd_bus_message_read(reply, "o", &u); | |
4359 | if (r < 0) | |
4360 | return bus_log_parse_error(r); | |
4361 | ||
4362 | u = strdup(u); | |
4363 | if (!u) | |
4364 | return log_oom(); | |
4365 | ||
4366 | *unit = u; | |
4367 | return 0; | |
4368 | } | |
4369 | ||
4370 | static int show_all( | |
4371 | const char* verb, | |
4372 | sd_bus *bus, | |
4373 | bool show_properties, | |
4374 | bool *new_line, | |
4375 | bool *ellipsized) { | |
4376 | ||
4377 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
4378 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
4379 | const UnitInfo *u; | |
4380 | unsigned c; | |
4381 | int r, ret = 0; | |
4382 | ||
4383 | r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply); | |
4384 | if (r < 0) | |
4385 | return r; | |
4386 | ||
4387 | pager_open_if_enabled(); | |
4388 | ||
4389 | c = (unsigned) r; | |
4390 | ||
4391 | qsort_safe(unit_infos, c, sizeof(UnitInfo), compare_unit_info); | |
4392 | ||
4393 | for (u = unit_infos; u < unit_infos + c; u++) { | |
4394 | _cleanup_free_ char *p = NULL; | |
4395 | ||
4396 | p = unit_dbus_path_from_name(u->id); | |
4397 | if (!p) | |
4398 | return log_oom(); | |
4399 | ||
4400 | r = show_one(verb, bus, p, show_properties, new_line, ellipsized); | |
4401 | if (r < 0) | |
4402 | return r; | |
4403 | else if (r > 0 && ret == 0) | |
4404 | ret = r; | |
4405 | } | |
4406 | ||
4407 | return ret; | |
4408 | } | |
4409 | ||
4410 | static int show_system_status(sd_bus *bus) { | |
4411 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; | |
4412 | _cleanup_free_ char *hn = NULL; | |
4413 | struct machine_info mi = {}; | |
4414 | const char *on, *off; | |
4415 | int r; | |
4416 | ||
4417 | hn = gethostname_malloc(); | |
4418 | if (!hn) | |
4419 | return log_oom(); | |
4420 | ||
4421 | r = bus_map_all_properties(bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", machine_info_property_map, &mi); | |
4422 | if (r < 0) | |
4423 | return log_error_errno(r, "Failed to read server status: %m"); | |
4424 | ||
4425 | if (streq_ptr(mi.state, "degraded")) { | |
4426 | on = ansi_highlight_red(); | |
4427 | off = ansi_highlight_off(); | |
4428 | } else if (!streq_ptr(mi.state, "running")) { | |
4429 | on = ansi_highlight_yellow(); | |
4430 | off = ansi_highlight_off(); | |
4431 | } else | |
4432 | on = off = ""; | |
4433 | ||
4434 | printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn); | |
4435 | ||
4436 | printf(" State: %s%s%s\n", | |
4437 | on, strna(mi.state), off); | |
4438 | ||
4439 | printf(" Jobs: %u queued\n", mi.n_jobs); | |
4440 | printf(" Failed: %u units\n", mi.n_failed_units); | |
4441 | ||
4442 | printf(" Since: %s; %s\n", | |
4443 | format_timestamp(since2, sizeof(since2), mi.timestamp), | |
4444 | format_timestamp_relative(since1, sizeof(since1), mi.timestamp)); | |
4445 | ||
4446 | printf(" CGroup: %s\n", mi.control_group ?: "/"); | |
4447 | if (arg_transport == BUS_TRANSPORT_LOCAL || arg_transport == BUS_TRANSPORT_MACHINE) { | |
4448 | static const char prefix[] = " "; | |
4449 | unsigned c; | |
4450 | ||
4451 | c = columns(); | |
4452 | if (c > sizeof(prefix) - 1) | |
4453 | c -= sizeof(prefix) - 1; | |
4454 | else | |
4455 | c = 0; | |
4456 | ||
4457 | show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, false, get_output_flags()); | |
4458 | } | |
4459 | ||
4460 | free(mi.state); | |
4461 | free(mi.control_group); | |
4462 | ||
4463 | return 0; | |
4464 | } | |
4465 | ||
4466 | static int show(sd_bus *bus, char **args) { | |
4467 | bool show_properties, show_status, new_line = false; | |
4468 | bool ellipsized = false; | |
4469 | int r, ret = 0; | |
4470 | ||
4471 | assert(bus); | |
4472 | assert(args); | |
4473 | ||
4474 | show_properties = streq(args[0], "show"); | |
4475 | show_status = streq(args[0], "status"); | |
4476 | ||
4477 | if (show_properties) | |
4478 | pager_open_if_enabled(); | |
4479 | ||
4480 | /* If no argument is specified inspect the manager itself */ | |
4481 | ||
4482 | if (show_properties && strv_length(args) <= 1) | |
4483 | return show_one(args[0], bus, "/org/freedesktop/systemd1", show_properties, &new_line, &ellipsized); | |
4484 | ||
4485 | if (show_status && strv_length(args) <= 1) { | |
4486 | ||
4487 | pager_open_if_enabled(); | |
4488 | show_system_status(bus); | |
4489 | new_line = true; | |
4490 | ||
4491 | if (arg_all) | |
4492 | ret = show_all(args[0], bus, false, &new_line, &ellipsized); | |
4493 | } else { | |
4494 | _cleanup_free_ char **patterns = NULL; | |
4495 | char **name; | |
4496 | ||
4497 | STRV_FOREACH(name, args + 1) { | |
4498 | _cleanup_free_ char *unit = NULL; | |
4499 | uint32_t id; | |
4500 | ||
4501 | if (safe_atou32(*name, &id) < 0) { | |
4502 | if (strv_push(&patterns, *name) < 0) | |
4503 | return log_oom(); | |
4504 | ||
4505 | continue; | |
4506 | } else if (show_properties) { | |
4507 | /* Interpret as job id */ | |
4508 | if (asprintf(&unit, "/org/freedesktop/systemd1/job/%u", id) < 0) | |
4509 | return log_oom(); | |
4510 | ||
4511 | } else { | |
4512 | /* Interpret as PID */ | |
4513 | r = get_unit_dbus_path_by_pid(bus, id, &unit); | |
4514 | if (r < 0) { | |
4515 | ret = r; | |
4516 | continue; | |
4517 | } | |
4518 | } | |
4519 | ||
4520 | r = show_one(args[0], bus, unit, show_properties, | |
4521 | &new_line, &ellipsized); | |
4522 | if (r < 0) | |
4523 | return r; | |
4524 | else if (r > 0 && ret == 0) | |
4525 | ret = r; | |
4526 | } | |
4527 | ||
4528 | if (!strv_isempty(patterns)) { | |
4529 | _cleanup_strv_free_ char **names = NULL; | |
4530 | ||
4531 | r = expand_names(bus, patterns, NULL, &names); | |
4532 | if (r < 0) | |
4533 | log_error_errno(r, "Failed to expand names: %m"); | |
4534 | ||
4535 | STRV_FOREACH(name, names) { | |
4536 | _cleanup_free_ char *unit; | |
4537 | ||
4538 | unit = unit_dbus_path_from_name(*name); | |
4539 | if (!unit) | |
4540 | return log_oom(); | |
4541 | ||
4542 | r = show_one(args[0], bus, unit, show_properties, | |
4543 | &new_line, &ellipsized); | |
4544 | if (r < 0) | |
4545 | return r; | |
4546 | else if (r > 0 && ret == 0) | |
4547 | ret = r; | |
4548 | } | |
4549 | } | |
4550 | } | |
4551 | ||
4552 | if (ellipsized && !arg_quiet) | |
4553 | printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); | |
4554 | ||
4555 | return ret; | |
4556 | } | |
4557 | ||
4558 | static int init_home_and_lookup_paths(char **user_home, char **user_runtime, LookupPaths *lp) { | |
4559 | int r; | |
4560 | ||
4561 | assert(user_home); | |
4562 | assert(user_runtime); | |
4563 | assert(lp); | |
4564 | ||
4565 | if (arg_scope == UNIT_FILE_USER) { | |
4566 | r = user_config_home(user_home); | |
4567 | if (r < 0) | |
4568 | return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m"); | |
4569 | else if (r == 0) | |
4570 | return log_error_errno(ENOTDIR, "Cannot find units: $XDG_CONFIG_HOME and $HOME are not set."); | |
4571 | ||
4572 | r = user_runtime_dir(user_runtime); | |
4573 | if (r < 0) | |
4574 | return log_error_errno(r, "Failed to query XDG_CONFIG_HOME: %m"); | |
4575 | else if (r == 0) | |
4576 | return log_error_errno(ENOTDIR, "Cannot find units: $XDG_RUNTIME_DIR is not set."); | |
4577 | } | |
4578 | ||
4579 | r = lookup_paths_init_from_scope(lp, arg_scope, arg_root); | |
4580 | if (r < 0) | |
4581 | return log_error_errno(r, "Failed to query unit lookup paths: %m"); | |
4582 | ||
4583 | return 0; | |
4584 | } | |
4585 | ||
4586 | static int cat(sd_bus *bus, char **args) { | |
4587 | _cleanup_free_ char *user_home = NULL; | |
4588 | _cleanup_free_ char *user_runtime = NULL; | |
4589 | _cleanup_lookup_paths_free_ LookupPaths lp = {}; | |
4590 | _cleanup_strv_free_ char **names = NULL; | |
4591 | char **name; | |
4592 | bool first = true, avoid_bus_cache; | |
4593 | int r = 0; | |
4594 | ||
4595 | assert(args); | |
4596 | ||
4597 | if (arg_transport != BUS_TRANSPORT_LOCAL) { | |
4598 | log_error("Cannot remotely cat units"); | |
4599 | return -EINVAL; | |
4600 | } | |
4601 | ||
4602 | r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp); | |
4603 | if (r < 0) | |
4604 | return r; | |
4605 | ||
4606 | r = expand_names(bus, args + 1, NULL, &names); | |
4607 | if (r < 0) | |
4608 | return log_error_errno(r, "Failed to expand names: %m"); | |
4609 | ||
4610 | avoid_bus_cache = !bus || avoid_bus(); | |
4611 | ||
4612 | pager_open_if_enabled(); | |
4613 | ||
4614 | STRV_FOREACH(name, names) { | |
4615 | _cleanup_free_ char *fragment_path = NULL; | |
4616 | _cleanup_strv_free_ char **dropin_paths = NULL; | |
4617 | char **path; | |
4618 | ||
4619 | r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &fragment_path, &dropin_paths); | |
4620 | if (r < 0) | |
4621 | return r; | |
4622 | else if (r == 0) | |
4623 | return -ENOENT; | |
4624 | ||
4625 | if (first) | |
4626 | first = false; | |
4627 | else | |
4628 | puts(""); | |
4629 | ||
4630 | if (fragment_path) { | |
4631 | printf("%s# %s%s\n", | |
4632 | ansi_highlight_blue(), | |
4633 | fragment_path, | |
4634 | ansi_highlight_off()); | |
4635 | fflush(stdout); | |
4636 | ||
4637 | r = copy_file_fd(fragment_path, STDOUT_FILENO, false); | |
4638 | if (r < 0) { | |
4639 | log_warning_errno(r, "Failed to cat %s: %m", fragment_path); | |
4640 | continue; | |
4641 | } | |
4642 | } | |
4643 | ||
4644 | STRV_FOREACH(path, dropin_paths) { | |
4645 | printf("%s%s# %s%s\n", | |
4646 | isempty(fragment_path) && path == dropin_paths ? "" : "\n", | |
4647 | ansi_highlight_blue(), | |
4648 | *path, | |
4649 | ansi_highlight_off()); | |
4650 | fflush(stdout); | |
4651 | ||
4652 | r = copy_file_fd(*path, STDOUT_FILENO, false); | |
4653 | if (r < 0) { | |
4654 | log_warning_errno(r, "Failed to cat %s: %m", *path); | |
4655 | continue; | |
4656 | } | |
4657 | } | |
4658 | } | |
4659 | ||
4660 | return r < 0 ? r : 0; | |
4661 | } | |
4662 | ||
4663 | static int set_property(sd_bus *bus, char **args) { | |
4664 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
4665 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4666 | _cleanup_free_ char *n = NULL; | |
4667 | char **i; | |
4668 | int r; | |
4669 | ||
4670 | polkit_agent_open_if_enabled(); | |
4671 | ||
4672 | r = sd_bus_message_new_method_call( | |
4673 | bus, | |
4674 | &m, | |
4675 | "org.freedesktop.systemd1", | |
4676 | "/org/freedesktop/systemd1", | |
4677 | "org.freedesktop.systemd1.Manager", | |
4678 | "SetUnitProperties"); | |
4679 | if (r < 0) | |
4680 | return bus_log_create_error(r); | |
4681 | ||
4682 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
4683 | if (r < 0) | |
4684 | return bus_log_create_error(r); | |
4685 | ||
4686 | n = unit_name_mangle(args[1], MANGLE_NOGLOB); | |
4687 | if (!n) | |
4688 | return log_oom(); | |
4689 | ||
4690 | r = sd_bus_message_append(m, "sb", n, arg_runtime); | |
4691 | if (r < 0) | |
4692 | return bus_log_create_error(r); | |
4693 | ||
4694 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)"); | |
4695 | if (r < 0) | |
4696 | return bus_log_create_error(r); | |
4697 | ||
4698 | STRV_FOREACH(i, args + 2) { | |
4699 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_STRUCT, "sv"); | |
4700 | if (r < 0) | |
4701 | return bus_log_create_error(r); | |
4702 | ||
4703 | r = bus_append_unit_property_assignment(m, *i); | |
4704 | if (r < 0) | |
4705 | return r; | |
4706 | ||
4707 | r = sd_bus_message_close_container(m); | |
4708 | if (r < 0) | |
4709 | return bus_log_create_error(r); | |
4710 | } | |
4711 | ||
4712 | r = sd_bus_message_close_container(m); | |
4713 | if (r < 0) | |
4714 | return bus_log_create_error(r); | |
4715 | ||
4716 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
4717 | if (r < 0) { | |
4718 | log_error("Failed to set unit properties on %s: %s", n, bus_error_message(&error, r)); | |
4719 | return r; | |
4720 | } | |
4721 | ||
4722 | return 0; | |
4723 | } | |
4724 | ||
4725 | static int snapshot(sd_bus *bus, char **args) { | |
4726 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4727 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; | |
4728 | _cleanup_free_ char *n = NULL, *id = NULL; | |
4729 | const char *path; | |
4730 | int r; | |
4731 | ||
4732 | polkit_agent_open_if_enabled(); | |
4733 | ||
4734 | if (strv_length(args) > 1) | |
4735 | n = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".snapshot"); | |
4736 | else | |
4737 | n = strdup(""); | |
4738 | if (!n) | |
4739 | return log_oom(); | |
4740 | ||
4741 | r = sd_bus_message_new_method_call( | |
4742 | bus, | |
4743 | &m, | |
4744 | "org.freedesktop.systemd1", | |
4745 | "/org/freedesktop/systemd1", | |
4746 | "org.freedesktop.systemd1.Manager", | |
4747 | "CreateSnapshot"); | |
4748 | if (r < 0) | |
4749 | return bus_log_create_error(r); | |
4750 | ||
4751 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
4752 | if (r < 0) | |
4753 | return bus_log_create_error(r); | |
4754 | ||
4755 | r = sd_bus_message_append(m, "sb", n, false); | |
4756 | if (r < 0) | |
4757 | return bus_log_create_error(r); | |
4758 | ||
4759 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
4760 | if (r < 0) { | |
4761 | log_error("Failed to create snapshot: %s", bus_error_message(&error, r)); | |
4762 | return r; | |
4763 | } | |
4764 | ||
4765 | r = sd_bus_message_read(reply, "o", &path); | |
4766 | if (r < 0) | |
4767 | return bus_log_parse_error(r); | |
4768 | ||
4769 | r = sd_bus_get_property_string( | |
4770 | bus, | |
4771 | "org.freedesktop.systemd1", | |
4772 | path, | |
4773 | "org.freedesktop.systemd1.Unit", | |
4774 | "Id", | |
4775 | &error, | |
4776 | &id); | |
4777 | if (r < 0) { | |
4778 | log_error("Failed to get ID of snapshot: %s", bus_error_message(&error, r)); | |
4779 | return r; | |
4780 | } | |
4781 | ||
4782 | if (!arg_quiet) | |
4783 | puts(id); | |
4784 | ||
4785 | return 0; | |
4786 | } | |
4787 | ||
4788 | static int delete_snapshot(sd_bus *bus, char **args) { | |
4789 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4790 | _cleanup_strv_free_ char **names = NULL; | |
4791 | char **name; | |
4792 | int r; | |
4793 | ||
4794 | assert(args); | |
4795 | ||
4796 | polkit_agent_open_if_enabled(); | |
4797 | ||
4798 | r = expand_names(bus, args + 1, ".snapshot", &names); | |
4799 | if (r < 0) | |
4800 | log_error_errno(r, "Failed to expand names: %m"); | |
4801 | ||
4802 | STRV_FOREACH(name, names) { | |
4803 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
4804 | int q; | |
4805 | ||
4806 | q = sd_bus_message_new_method_call( | |
4807 | bus, | |
4808 | &m, | |
4809 | "org.freedesktop.systemd1", | |
4810 | "/org/freedesktop/systemd1", | |
4811 | "org.freedesktop.systemd1.Manager", | |
4812 | "RemoveSnapshot"); | |
4813 | if (q < 0) | |
4814 | return bus_log_create_error(q); | |
4815 | ||
4816 | q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
4817 | if (q < 0) | |
4818 | return bus_log_create_error(q); | |
4819 | ||
4820 | q = sd_bus_message_append(m, "s", *name); | |
4821 | if (q < 0) | |
4822 | return bus_log_create_error(q); | |
4823 | ||
4824 | q = sd_bus_call(bus, m, 0, &error, NULL); | |
4825 | if (q < 0) { | |
4826 | log_error("Failed to remove snapshot %s: %s", *name, bus_error_message(&error, q)); | |
4827 | if (r == 0) | |
4828 | r = q; | |
4829 | } | |
4830 | } | |
4831 | ||
4832 | return r; | |
4833 | } | |
4834 | ||
4835 | static int daemon_reload(sd_bus *bus, char **args) { | |
4836 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4837 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
4838 | const char *method; | |
4839 | int r; | |
4840 | ||
4841 | polkit_agent_open_if_enabled(); | |
4842 | ||
4843 | if (arg_action == ACTION_RELOAD) | |
4844 | method = "Reload"; | |
4845 | else if (arg_action == ACTION_REEXEC) | |
4846 | method = "Reexecute"; | |
4847 | else { | |
4848 | assert(arg_action == ACTION_SYSTEMCTL); | |
4849 | ||
4850 | method = | |
4851 | streq(args[0], "clear-jobs") || | |
4852 | streq(args[0], "cancel") ? "ClearJobs" : | |
4853 | streq(args[0], "daemon-reexec") ? "Reexecute" : | |
4854 | streq(args[0], "reset-failed") ? "ResetFailed" : | |
4855 | streq(args[0], "halt") ? "Halt" : | |
4856 | streq(args[0], "poweroff") ? "PowerOff" : | |
4857 | streq(args[0], "reboot") ? "Reboot" : | |
4858 | streq(args[0], "kexec") ? "KExec" : | |
4859 | streq(args[0], "exit") ? "Exit" : | |
4860 | /* "daemon-reload" */ "Reload"; | |
4861 | } | |
4862 | ||
4863 | r = sd_bus_message_new_method_call( | |
4864 | bus, | |
4865 | &m, | |
4866 | "org.freedesktop.systemd1", | |
4867 | "/org/freedesktop/systemd1", | |
4868 | "org.freedesktop.systemd1.Manager", | |
4869 | method); | |
4870 | if (r < 0) | |
4871 | return bus_log_create_error(r); | |
4872 | ||
4873 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
4874 | if (r < 0) | |
4875 | return bus_log_create_error(r); | |
4876 | ||
4877 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
4878 | if (r == -ENOENT && arg_action != ACTION_SYSTEMCTL) | |
4879 | /* There's always a fallback possible for | |
4880 | * legacy actions. */ | |
4881 | r = -EADDRNOTAVAIL; | |
4882 | else if ((r == -ETIMEDOUT || r == -ECONNRESET) && streq(method, "Reexecute")) | |
4883 | /* On reexecution, we expect a disconnect, not a | |
4884 | * reply */ | |
4885 | r = 0; | |
4886 | else if (r < 0) | |
4887 | log_error("Failed to execute operation: %s", bus_error_message(&error, r)); | |
4888 | ||
4889 | return r < 0 ? r : 0; | |
4890 | } | |
4891 | ||
4892 | static int reset_failed(sd_bus *bus, char **args) { | |
4893 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4894 | _cleanup_strv_free_ char **names = NULL; | |
4895 | char **name; | |
4896 | int r, q; | |
4897 | ||
4898 | if (strv_length(args) <= 1) | |
4899 | return daemon_reload(bus, args); | |
4900 | ||
4901 | polkit_agent_open_if_enabled(); | |
4902 | ||
4903 | r = expand_names(bus, args + 1, NULL, &names); | |
4904 | if (r < 0) | |
4905 | log_error_errno(r, "Failed to expand names: %m"); | |
4906 | ||
4907 | STRV_FOREACH(name, names) { | |
4908 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
4909 | ||
4910 | q = sd_bus_message_new_method_call( | |
4911 | bus, | |
4912 | &m, | |
4913 | "org.freedesktop.systemd1", | |
4914 | "/org/freedesktop/systemd1", | |
4915 | "org.freedesktop.systemd1.Manager", | |
4916 | "ResetFailedUnit"); | |
4917 | if (q < 0) | |
4918 | return bus_log_create_error(q); | |
4919 | ||
4920 | q = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
4921 | if (q < 0) | |
4922 | return bus_log_create_error(q); | |
4923 | ||
4924 | q = sd_bus_message_append(m, "s", *name); | |
4925 | if (q < 0) | |
4926 | return bus_log_create_error(q); | |
4927 | ||
4928 | q = sd_bus_call(bus, m, 0, &error, NULL); | |
4929 | if (q < 0) { | |
4930 | log_error("Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q)); | |
4931 | if (r == 0) | |
4932 | r = q; | |
4933 | } | |
4934 | } | |
4935 | ||
4936 | return r; | |
4937 | } | |
4938 | ||
4939 | static int show_environment(sd_bus *bus, char **args) { | |
4940 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4941 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
4942 | const char *text; | |
4943 | int r; | |
4944 | ||
4945 | pager_open_if_enabled(); | |
4946 | ||
4947 | r = sd_bus_get_property( | |
4948 | bus, | |
4949 | "org.freedesktop.systemd1", | |
4950 | "/org/freedesktop/systemd1", | |
4951 | "org.freedesktop.systemd1.Manager", | |
4952 | "Environment", | |
4953 | &error, | |
4954 | &reply, | |
4955 | "as"); | |
4956 | if (r < 0) { | |
4957 | log_error("Failed to get environment: %s", bus_error_message(&error, r)); | |
4958 | return r; | |
4959 | } | |
4960 | ||
4961 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s"); | |
4962 | if (r < 0) | |
4963 | return bus_log_parse_error(r); | |
4964 | ||
4965 | while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) | |
4966 | puts(text); | |
4967 | if (r < 0) | |
4968 | return bus_log_parse_error(r); | |
4969 | ||
4970 | r = sd_bus_message_exit_container(reply); | |
4971 | if (r < 0) | |
4972 | return bus_log_parse_error(r); | |
4973 | ||
4974 | return 0; | |
4975 | } | |
4976 | ||
4977 | static int switch_root(sd_bus *bus, char **args) { | |
4978 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
4979 | _cleanup_free_ char *cmdline_init = NULL; | |
4980 | const char *root, *init; | |
4981 | unsigned l; | |
4982 | int r; | |
4983 | ||
4984 | l = strv_length(args); | |
4985 | if (l < 2 || l > 3) { | |
4986 | log_error("Wrong number of arguments."); | |
4987 | return -EINVAL; | |
4988 | } | |
4989 | ||
4990 | root = args[1]; | |
4991 | ||
4992 | if (l >= 3) | |
4993 | init = args[2]; | |
4994 | else { | |
4995 | r = parse_env_file("/proc/cmdline", WHITESPACE, | |
4996 | "init", &cmdline_init, | |
4997 | NULL); | |
4998 | if (r < 0) | |
4999 | log_debug_errno(r, "Failed to parse /proc/cmdline: %m"); | |
5000 | ||
5001 | init = cmdline_init; | |
5002 | } | |
5003 | ||
5004 | if (isempty(init)) | |
5005 | init = NULL; | |
5006 | ||
5007 | if (init) { | |
5008 | const char *root_systemd_path = NULL, *root_init_path = NULL; | |
5009 | ||
5010 | root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH); | |
5011 | root_init_path = strjoina(root, "/", init); | |
5012 | ||
5013 | /* If the passed init is actually the same as the | |
5014 | * systemd binary, then let's suppress it. */ | |
5015 | if (files_same(root_init_path, root_systemd_path) > 0) | |
5016 | init = NULL; | |
5017 | } | |
5018 | ||
5019 | log_debug("Switching root - root: %s; init: %s", root, strna(init)); | |
5020 | ||
5021 | r = sd_bus_call_method( | |
5022 | bus, | |
5023 | "org.freedesktop.systemd1", | |
5024 | "/org/freedesktop/systemd1", | |
5025 | "org.freedesktop.systemd1.Manager", | |
5026 | "SwitchRoot", | |
5027 | &error, | |
5028 | NULL, | |
5029 | "ss", root, init); | |
5030 | if (r < 0) { | |
5031 | log_error("Failed to switch root: %s", bus_error_message(&error, r)); | |
5032 | return r; | |
5033 | } | |
5034 | ||
5035 | return 0; | |
5036 | } | |
5037 | ||
5038 | static int set_environment(sd_bus *bus, char **args) { | |
5039 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5040 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
5041 | const char *method; | |
5042 | int r; | |
5043 | ||
5044 | assert(bus); | |
5045 | assert(args); | |
5046 | ||
5047 | method = streq(args[0], "set-environment") | |
5048 | ? "SetEnvironment" | |
5049 | : "UnsetEnvironment"; | |
5050 | ||
5051 | r = sd_bus_message_new_method_call( | |
5052 | bus, | |
5053 | &m, | |
5054 | "org.freedesktop.systemd1", | |
5055 | "/org/freedesktop/systemd1", | |
5056 | "org.freedesktop.systemd1.Manager", | |
5057 | method); | |
5058 | if (r < 0) | |
5059 | return bus_log_create_error(r); | |
5060 | ||
5061 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
5062 | if (r < 0) | |
5063 | return bus_log_create_error(r); | |
5064 | ||
5065 | r = sd_bus_message_append_strv(m, args + 1); | |
5066 | if (r < 0) | |
5067 | return bus_log_create_error(r); | |
5068 | ||
5069 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5070 | if (r < 0) { | |
5071 | log_error("Failed to set environment: %s", bus_error_message(&error, r)); | |
5072 | return r; | |
5073 | } | |
5074 | ||
5075 | return 0; | |
5076 | } | |
5077 | ||
5078 | static int import_environment(sd_bus *bus, char **args) { | |
5079 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5080 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL; | |
5081 | int r; | |
5082 | ||
5083 | assert(bus); | |
5084 | assert(args); | |
5085 | ||
5086 | r = sd_bus_message_new_method_call( | |
5087 | bus, | |
5088 | &m, | |
5089 | "org.freedesktop.systemd1", | |
5090 | "/org/freedesktop/systemd1", | |
5091 | "org.freedesktop.systemd1.Manager", | |
5092 | "SetEnvironment"); | |
5093 | if (r < 0) | |
5094 | return bus_log_create_error(r); | |
5095 | ||
5096 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
5097 | if (r < 0) | |
5098 | return bus_log_create_error(r); | |
5099 | ||
5100 | if (strv_isempty(args + 1)) | |
5101 | r = sd_bus_message_append_strv(m, environ); | |
5102 | else { | |
5103 | char **a, **b; | |
5104 | ||
5105 | r = sd_bus_message_open_container(m, 'a', "s"); | |
5106 | if (r < 0) | |
5107 | return bus_log_create_error(r); | |
5108 | ||
5109 | STRV_FOREACH(a, args + 1) { | |
5110 | ||
5111 | if (!env_name_is_valid(*a)) { | |
5112 | log_error("Not a valid environment variable name: %s", *a); | |
5113 | return -EINVAL; | |
5114 | } | |
5115 | ||
5116 | STRV_FOREACH(b, environ) { | |
5117 | const char *eq; | |
5118 | ||
5119 | eq = startswith(*b, *a); | |
5120 | if (eq && *eq == '=') { | |
5121 | ||
5122 | r = sd_bus_message_append(m, "s", *b); | |
5123 | if (r < 0) | |
5124 | return bus_log_create_error(r); | |
5125 | ||
5126 | break; | |
5127 | } | |
5128 | } | |
5129 | } | |
5130 | ||
5131 | r = sd_bus_message_close_container(m); | |
5132 | } | |
5133 | if (r < 0) | |
5134 | return bus_log_create_error(r); | |
5135 | ||
5136 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5137 | if (r < 0) { | |
5138 | log_error("Failed to import environment: %s", bus_error_message(&error, r)); | |
5139 | return r; | |
5140 | } | |
5141 | ||
5142 | return 0; | |
5143 | } | |
5144 | ||
5145 | static int enable_sysv_units(const char *verb, char **args) { | |
5146 | int r = 0; | |
5147 | ||
5148 | #if defined(HAVE_SYSV_COMPAT) && defined(HAVE_CHKCONFIG) | |
5149 | unsigned f = 0; | |
5150 | _cleanup_lookup_paths_free_ LookupPaths paths = {}; | |
5151 | ||
5152 | if (arg_scope != UNIT_FILE_SYSTEM) | |
5153 | return 0; | |
5154 | ||
5155 | if (!streq(verb, "enable") && | |
5156 | !streq(verb, "disable") && | |
5157 | !streq(verb, "is-enabled")) | |
5158 | return 0; | |
5159 | ||
5160 | /* Processes all SysV units, and reshuffles the array so that | |
5161 | * afterwards only the native units remain */ | |
5162 | ||
5163 | r = lookup_paths_init(&paths, SYSTEMD_SYSTEM, false, arg_root, NULL, NULL, NULL); | |
5164 | if (r < 0) | |
5165 | return r; | |
5166 | ||
5167 | r = 0; | |
5168 | while (args[f]) { | |
5169 | const char *name; | |
5170 | _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL; | |
5171 | bool found_native = false, found_sysv; | |
5172 | unsigned c = 1; | |
5173 | const char *argv[6] = { "/sbin/chkconfig", NULL, NULL, NULL, NULL }; | |
5174 | char **k; | |
5175 | int j; | |
5176 | pid_t pid; | |
5177 | siginfo_t status; | |
5178 | ||
5179 | name = args[f++]; | |
5180 | ||
5181 | if (!endswith(name, ".service")) | |
5182 | continue; | |
5183 | ||
5184 | if (path_is_absolute(name)) | |
5185 | continue; | |
5186 | ||
5187 | STRV_FOREACH(k, paths.unit_path) { | |
5188 | _cleanup_free_ char *path = NULL; | |
5189 | ||
5190 | path = path_join(arg_root, *k, name); | |
5191 | if (!path) | |
5192 | return log_oom(); | |
5193 | ||
5194 | found_native = access(path, F_OK) >= 0; | |
5195 | if (found_native) | |
5196 | break; | |
5197 | } | |
5198 | ||
5199 | if (found_native) | |
5200 | continue; | |
5201 | ||
5202 | p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name); | |
5203 | if (!p) | |
5204 | return log_oom(); | |
5205 | ||
5206 | p[strlen(p) - strlen(".service")] = 0; | |
5207 | found_sysv = access(p, F_OK) >= 0; | |
5208 | if (!found_sysv) | |
5209 | continue; | |
5210 | ||
5211 | log_info("%s is not a native service, redirecting to /sbin/chkconfig.", name); | |
5212 | ||
5213 | if (!isempty(arg_root)) | |
5214 | argv[c++] = q = strappend("--root=", arg_root); | |
5215 | ||
5216 | argv[c++] = basename(p); | |
5217 | argv[c++] = | |
5218 | streq(verb, "enable") ? "on" : | |
5219 | streq(verb, "disable") ? "off" : "--level=5"; | |
5220 | argv[c] = NULL; | |
5221 | ||
5222 | l = strv_join((char**)argv, " "); | |
5223 | if (!l) | |
5224 | return log_oom(); | |
5225 | ||
5226 | log_info("Executing %s", l); | |
5227 | ||
5228 | pid = fork(); | |
5229 | if (pid < 0) | |
5230 | return log_error_errno(errno, "Failed to fork: %m"); | |
5231 | else if (pid == 0) { | |
5232 | /* Child */ | |
5233 | ||
5234 | execv(argv[0], (char**) argv); | |
5235 | _exit(EXIT_FAILURE); | |
5236 | } | |
5237 | ||
5238 | j = wait_for_terminate(pid, &status); | |
5239 | if (j < 0) { | |
5240 | log_error_errno(r, "Failed to wait for child: %m"); | |
5241 | return j; | |
5242 | } | |
5243 | ||
5244 | if (status.si_code == CLD_EXITED) { | |
5245 | if (streq(verb, "is-enabled")) { | |
5246 | if (status.si_status == 0) { | |
5247 | if (!arg_quiet) | |
5248 | puts("enabled"); | |
5249 | r = 1; | |
5250 | } else { | |
5251 | if (!arg_quiet) | |
5252 | puts("disabled"); | |
5253 | } | |
5254 | ||
5255 | } else if (status.si_status != 0) | |
5256 | return -EINVAL; | |
5257 | } else | |
5258 | return -EPROTO; | |
5259 | ||
5260 | /* Remove this entry, so that we don't try enabling it as native unit */ | |
5261 | assert(f > 0); | |
5262 | f--; | |
5263 | assert(args[f] == name); | |
5264 | strv_remove(args, name); | |
5265 | } | |
5266 | ||
5267 | #endif | |
5268 | return r; | |
5269 | } | |
5270 | ||
5271 | static int mangle_names(char **original_names, char ***mangled_names) { | |
5272 | char **i, **l, **name; | |
5273 | ||
5274 | l = new(char*, strv_length(original_names) + 1); | |
5275 | if (!l) | |
5276 | return log_oom(); | |
5277 | ||
5278 | i = l; | |
5279 | STRV_FOREACH(name, original_names) { | |
5280 | ||
5281 | /* When enabling units qualified path names are OK, | |
5282 | * too, hence allow them explicitly. */ | |
5283 | ||
5284 | if (is_path(*name)) | |
5285 | *i = strdup(*name); | |
5286 | else | |
5287 | *i = unit_name_mangle(*name, MANGLE_NOGLOB); | |
5288 | ||
5289 | if (!*i) { | |
5290 | strv_free(l); | |
5291 | return log_oom(); | |
5292 | } | |
5293 | ||
5294 | i++; | |
5295 | } | |
5296 | ||
5297 | *i = NULL; | |
5298 | *mangled_names = l; | |
5299 | ||
5300 | return 0; | |
5301 | } | |
5302 | ||
5303 | static int enable_unit(sd_bus *bus, char **args) { | |
5304 | _cleanup_strv_free_ char **names = NULL; | |
5305 | const char *verb = args[0]; | |
5306 | UnitFileChange *changes = NULL; | |
5307 | unsigned n_changes = 0; | |
5308 | int carries_install_info = -1; | |
5309 | int r; | |
5310 | ||
5311 | if (!args[1]) | |
5312 | return 0; | |
5313 | ||
5314 | r = mangle_names(args+1, &names); | |
5315 | if (r < 0) | |
5316 | return r; | |
5317 | ||
5318 | r = enable_sysv_units(verb, names); | |
5319 | if (r < 0) | |
5320 | return r; | |
5321 | ||
5322 | /* If the operation was fully executed by the SysV compat, | |
5323 | * let's finish early */ | |
5324 | if (strv_isempty(names)) | |
5325 | return 0; | |
5326 | ||
5327 | if (!bus || avoid_bus()) { | |
5328 | if (streq(verb, "enable")) { | |
5329 | r = unit_file_enable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); | |
5330 | carries_install_info = r; | |
5331 | } else if (streq(verb, "disable")) | |
5332 | r = unit_file_disable(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes); | |
5333 | else if (streq(verb, "reenable")) { | |
5334 | r = unit_file_reenable(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); | |
5335 | carries_install_info = r; | |
5336 | } else if (streq(verb, "link")) | |
5337 | r = unit_file_link(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); | |
5338 | else if (streq(verb, "preset")) { | |
5339 | r = unit_file_preset(arg_scope, arg_runtime, arg_root, names, arg_preset_mode, arg_force, &changes, &n_changes); | |
5340 | carries_install_info = r; | |
5341 | } else if (streq(verb, "mask")) | |
5342 | r = unit_file_mask(arg_scope, arg_runtime, arg_root, names, arg_force, &changes, &n_changes); | |
5343 | else if (streq(verb, "unmask")) | |
5344 | r = unit_file_unmask(arg_scope, arg_runtime, arg_root, names, &changes, &n_changes); | |
5345 | else | |
5346 | assert_not_reached("Unknown verb"); | |
5347 | ||
5348 | if (r < 0) { | |
5349 | log_error_errno(r, "Operation failed: %m"); | |
5350 | goto finish; | |
5351 | } | |
5352 | ||
5353 | if (!arg_quiet) | |
5354 | dump_unit_file_changes(changes, n_changes); | |
5355 | ||
5356 | r = 0; | |
5357 | } else { | |
5358 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; | |
5359 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5360 | int expect_carries_install_info = false; | |
5361 | bool send_force = true, send_preset_mode = false; | |
5362 | const char *method; | |
5363 | ||
5364 | polkit_agent_open_if_enabled(); | |
5365 | ||
5366 | if (streq(verb, "enable")) { | |
5367 | method = "EnableUnitFiles"; | |
5368 | expect_carries_install_info = true; | |
5369 | } else if (streq(verb, "disable")) { | |
5370 | method = "DisableUnitFiles"; | |
5371 | send_force = false; | |
5372 | } else if (streq(verb, "reenable")) { | |
5373 | method = "ReenableUnitFiles"; | |
5374 | expect_carries_install_info = true; | |
5375 | } else if (streq(verb, "link")) | |
5376 | method = "LinkUnitFiles"; | |
5377 | else if (streq(verb, "preset")) { | |
5378 | ||
5379 | if (arg_preset_mode != UNIT_FILE_PRESET_FULL) { | |
5380 | method = "PresetUnitFilesWithMode"; | |
5381 | send_preset_mode = true; | |
5382 | } else | |
5383 | method = "PresetUnitFiles"; | |
5384 | ||
5385 | expect_carries_install_info = true; | |
5386 | } else if (streq(verb, "mask")) | |
5387 | method = "MaskUnitFiles"; | |
5388 | else if (streq(verb, "unmask")) { | |
5389 | method = "UnmaskUnitFiles"; | |
5390 | send_force = false; | |
5391 | } else | |
5392 | assert_not_reached("Unknown verb"); | |
5393 | ||
5394 | r = sd_bus_message_new_method_call( | |
5395 | bus, | |
5396 | &m, | |
5397 | "org.freedesktop.systemd1", | |
5398 | "/org/freedesktop/systemd1", | |
5399 | "org.freedesktop.systemd1.Manager", | |
5400 | method); | |
5401 | if (r < 0) | |
5402 | return bus_log_create_error(r); | |
5403 | ||
5404 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
5405 | if (r < 0) | |
5406 | return bus_log_create_error(r); | |
5407 | ||
5408 | r = sd_bus_message_append_strv(m, names); | |
5409 | if (r < 0) | |
5410 | return bus_log_create_error(r); | |
5411 | ||
5412 | if (send_preset_mode) { | |
5413 | r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode)); | |
5414 | if (r < 0) | |
5415 | return bus_log_create_error(r); | |
5416 | } | |
5417 | ||
5418 | r = sd_bus_message_append(m, "b", arg_runtime); | |
5419 | if (r < 0) | |
5420 | return bus_log_create_error(r); | |
5421 | ||
5422 | if (send_force) { | |
5423 | r = sd_bus_message_append(m, "b", arg_force); | |
5424 | if (r < 0) | |
5425 | return bus_log_create_error(r); | |
5426 | } | |
5427 | ||
5428 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
5429 | if (r < 0) { | |
5430 | log_error("Failed to execute operation: %s", bus_error_message(&error, r)); | |
5431 | return r; | |
5432 | } | |
5433 | ||
5434 | if (expect_carries_install_info) { | |
5435 | r = sd_bus_message_read(reply, "b", &carries_install_info); | |
5436 | if (r < 0) | |
5437 | return bus_log_parse_error(r); | |
5438 | } | |
5439 | ||
5440 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); | |
5441 | if (r < 0) | |
5442 | return r; | |
5443 | ||
5444 | /* Try to reload if enabled */ | |
5445 | if (!arg_no_reload) | |
5446 | r = daemon_reload(bus, args); | |
5447 | else | |
5448 | r = 0; | |
5449 | } | |
5450 | ||
5451 | if (carries_install_info == 0) | |
5452 | log_warning("The unit files have no [Install] section. They are not meant to be enabled\n" | |
5453 | "using systemctl.\n" | |
5454 | "Possible reasons for having this kind of units are:\n" | |
5455 | "1) A unit may be statically enabled by being symlinked from another unit's\n" | |
5456 | " .wants/ or .requires/ directory.\n" | |
5457 | "2) A unit's purpose may be to act as a helper for some other unit which has\n" | |
5458 | " a requirement dependency on it.\n" | |
5459 | "3) A unit may be started when needed via activation (socket, path, timer,\n" | |
5460 | " D-Bus, udev, scripted systemctl call, ...).\n"); | |
5461 | ||
5462 | finish: | |
5463 | unit_file_changes_free(changes, n_changes); | |
5464 | ||
5465 | return r; | |
5466 | } | |
5467 | ||
5468 | static int add_dependency(sd_bus *bus, char **args) { | |
5469 | _cleanup_strv_free_ char **names = NULL; | |
5470 | _cleanup_free_ char *target = NULL; | |
5471 | const char *verb = args[0]; | |
5472 | UnitDependency dep; | |
5473 | int r = 0; | |
5474 | ||
5475 | if (!args[1]) | |
5476 | return 0; | |
5477 | ||
5478 | target = unit_name_mangle_with_suffix(args[1], MANGLE_NOGLOB, ".target"); | |
5479 | if (!target) | |
5480 | return log_oom(); | |
5481 | ||
5482 | r = mangle_names(args+2, &names); | |
5483 | if (r < 0) | |
5484 | return r; | |
5485 | ||
5486 | if (streq(verb, "add-wants")) | |
5487 | dep = UNIT_WANTS; | |
5488 | else if (streq(verb, "add-requires")) | |
5489 | dep = UNIT_REQUIRES; | |
5490 | else | |
5491 | assert_not_reached("Unknown verb"); | |
5492 | ||
5493 | if (!bus || avoid_bus()) { | |
5494 | UnitFileChange *changes = NULL; | |
5495 | unsigned n_changes = 0; | |
5496 | ||
5497 | r = unit_file_add_dependency(arg_scope, arg_runtime, arg_root, names, target, dep, arg_force, &changes, &n_changes); | |
5498 | ||
5499 | if (r < 0) | |
5500 | return log_error_errno(r, "Can't add dependency: %m"); | |
5501 | ||
5502 | if (!arg_quiet) | |
5503 | dump_unit_file_changes(changes, n_changes); | |
5504 | ||
5505 | unit_file_changes_free(changes, n_changes); | |
5506 | ||
5507 | } else { | |
5508 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL, *m = NULL; | |
5509 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5510 | ||
5511 | polkit_agent_open_if_enabled(); | |
5512 | ||
5513 | r = sd_bus_message_new_method_call( | |
5514 | bus, | |
5515 | &m, | |
5516 | "org.freedesktop.systemd1", | |
5517 | "/org/freedesktop/systemd1", | |
5518 | "org.freedesktop.systemd1.Manager", | |
5519 | "AddDependencyUnitFiles"); | |
5520 | if (r < 0) | |
5521 | return bus_log_create_error(r); | |
5522 | ||
5523 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
5524 | if (r < 0) | |
5525 | return bus_log_create_error(r); | |
5526 | ||
5527 | r = sd_bus_message_append_strv(m, names); | |
5528 | if (r < 0) | |
5529 | return bus_log_create_error(r); | |
5530 | ||
5531 | r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force); | |
5532 | if (r < 0) | |
5533 | return bus_log_create_error(r); | |
5534 | ||
5535 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
5536 | if (r < 0) { | |
5537 | log_error("Failed to execute operation: %s", bus_error_message(&error, r)); | |
5538 | return r; | |
5539 | } | |
5540 | ||
5541 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); | |
5542 | if (r < 0) | |
5543 | return r; | |
5544 | ||
5545 | if (!arg_no_reload) | |
5546 | r = daemon_reload(bus, args); | |
5547 | else | |
5548 | r = 0; | |
5549 | } | |
5550 | ||
5551 | return r; | |
5552 | } | |
5553 | ||
5554 | static int preset_all(sd_bus *bus, char **args) { | |
5555 | UnitFileChange *changes = NULL; | |
5556 | unsigned n_changes = 0; | |
5557 | int r; | |
5558 | ||
5559 | if (!bus || avoid_bus()) { | |
5560 | ||
5561 | r = unit_file_preset_all(arg_scope, arg_runtime, arg_root, arg_preset_mode, arg_force, &changes, &n_changes); | |
5562 | if (r < 0) { | |
5563 | log_error_errno(r, "Operation failed: %m"); | |
5564 | goto finish; | |
5565 | } | |
5566 | ||
5567 | if (!arg_quiet) | |
5568 | dump_unit_file_changes(changes, n_changes); | |
5569 | ||
5570 | r = 0; | |
5571 | ||
5572 | } else { | |
5573 | _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; | |
5574 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5575 | ||
5576 | polkit_agent_open_if_enabled(); | |
5577 | ||
5578 | r = sd_bus_message_new_method_call( | |
5579 | bus, | |
5580 | &m, | |
5581 | "org.freedesktop.systemd1", | |
5582 | "/org/freedesktop/systemd1", | |
5583 | "org.freedesktop.systemd1.Manager", | |
5584 | "PresetAllUnitFiles"); | |
5585 | if (r < 0) | |
5586 | return bus_log_create_error(r); | |
5587 | ||
5588 | r = sd_bus_message_set_allow_interactive_authorization(m, arg_ask_password); | |
5589 | if (r < 0) | |
5590 | return bus_log_create_error(r); | |
5591 | ||
5592 | r = sd_bus_message_append( | |
5593 | m, | |
5594 | "sbb", | |
5595 | unit_file_preset_mode_to_string(arg_preset_mode), | |
5596 | arg_runtime, | |
5597 | arg_force); | |
5598 | if (r < 0) | |
5599 | return bus_log_create_error(r); | |
5600 | ||
5601 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
5602 | if (r < 0) { | |
5603 | log_error("Failed to execute operation: %s", bus_error_message(&error, r)); | |
5604 | return r; | |
5605 | } | |
5606 | ||
5607 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet); | |
5608 | if (r < 0) | |
5609 | return r; | |
5610 | ||
5611 | if (!arg_no_reload) | |
5612 | r = daemon_reload(bus, args); | |
5613 | else | |
5614 | r = 0; | |
5615 | } | |
5616 | ||
5617 | finish: | |
5618 | unit_file_changes_free(changes, n_changes); | |
5619 | ||
5620 | return r; | |
5621 | } | |
5622 | ||
5623 | static int unit_is_enabled(sd_bus *bus, char **args) { | |
5624 | ||
5625 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; | |
5626 | _cleanup_strv_free_ char **names = NULL; | |
5627 | bool enabled; | |
5628 | char **name; | |
5629 | int r; | |
5630 | ||
5631 | r = mangle_names(args+1, &names); | |
5632 | if (r < 0) | |
5633 | return r; | |
5634 | ||
5635 | r = enable_sysv_units(args[0], names); | |
5636 | if (r < 0) | |
5637 | return r; | |
5638 | ||
5639 | enabled = r > 0; | |
5640 | ||
5641 | if (!bus || avoid_bus()) { | |
5642 | ||
5643 | STRV_FOREACH(name, names) { | |
5644 | UnitFileState state; | |
5645 | ||
5646 | state = unit_file_get_state(arg_scope, arg_root, *name); | |
5647 | if (state < 0) | |
5648 | return log_error_errno(state, "Failed to get unit file state for %s: %m", *name); | |
5649 | ||
5650 | if (state == UNIT_FILE_ENABLED || | |
5651 | state == UNIT_FILE_ENABLED_RUNTIME || | |
5652 | state == UNIT_FILE_STATIC || | |
5653 | state == UNIT_FILE_INDIRECT) | |
5654 | enabled = true; | |
5655 | ||
5656 | if (!arg_quiet) | |
5657 | puts(unit_file_state_to_string(state)); | |
5658 | } | |
5659 | ||
5660 | } else { | |
5661 | STRV_FOREACH(name, names) { | |
5662 | _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; | |
5663 | const char *s; | |
5664 | ||
5665 | r = sd_bus_call_method( | |
5666 | bus, | |
5667 | "org.freedesktop.systemd1", | |
5668 | "/org/freedesktop/systemd1", | |
5669 | "org.freedesktop.systemd1.Manager", | |
5670 | "GetUnitFileState", | |
5671 | &error, | |
5672 | &reply, | |
5673 | "s", *name); | |
5674 | if (r < 0) { | |
5675 | log_error("Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r)); | |
5676 | return r; | |
5677 | } | |
5678 | ||
5679 | r = sd_bus_message_read(reply, "s", &s); | |
5680 | if (r < 0) | |
5681 | return bus_log_parse_error(r); | |
5682 | ||
5683 | if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect")) | |
5684 | enabled = true; | |
5685 | ||
5686 | if (!arg_quiet) | |
5687 | puts(s); | |
5688 | } | |
5689 | } | |
5690 | ||
5691 | return !enabled; | |
5692 | } | |
5693 | ||
5694 | static int is_system_running(sd_bus *bus, char **args) { | |
5695 | _cleanup_free_ char *state = NULL; | |
5696 | int r; | |
5697 | ||
5698 | r = sd_bus_get_property_string( | |
5699 | bus, | |
5700 | "org.freedesktop.systemd1", | |
5701 | "/org/freedesktop/systemd1", | |
5702 | "org.freedesktop.systemd1.Manager", | |
5703 | "SystemState", | |
5704 | NULL, | |
5705 | &state); | |
5706 | if (r < 0) { | |
5707 | if (!arg_quiet) | |
5708 | puts("unknown"); | |
5709 | return 0; | |
5710 | } | |
5711 | ||
5712 | if (!arg_quiet) | |
5713 | puts(state); | |
5714 | ||
5715 | return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE; | |
5716 | } | |
5717 | ||
5718 | static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) { | |
5719 | char *t; | |
5720 | int r; | |
5721 | ||
5722 | assert(new_path); | |
5723 | assert(original_path); | |
5724 | assert(ret_tmp_fn); | |
5725 | ||
5726 | r = tempfn_random(new_path, &t); | |
5727 | if (r < 0) | |
5728 | return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path); | |
5729 | ||
5730 | r = mkdir_parents(new_path, 0755); | |
5731 | if (r < 0) { | |
5732 | log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path); | |
5733 | free(t); | |
5734 | return r; | |
5735 | } | |
5736 | ||
5737 | r = copy_file(original_path, t, 0, 0644, 0); | |
5738 | if (r == -ENOENT) { | |
5739 | r = touch(t); | |
5740 | if (r < 0) { | |
5741 | log_error_errno(r, "Failed to create temporary file \"%s\": %m", t); | |
5742 | free(t); | |
5743 | return r; | |
5744 | } | |
5745 | } else if (r < 0) { | |
5746 | log_error_errno(r, "Failed to copy \"%s\" to \"%s\": %m", original_path, t); | |
5747 | free(t); | |
5748 | return r; | |
5749 | } | |
5750 | ||
5751 | *ret_tmp_fn = t; | |
5752 | ||
5753 | return 0; | |
5754 | } | |
5755 | ||
5756 | static int get_file_to_edit(const char *name, const char *user_home, const char *user_runtime, char **ret_path) { | |
5757 | _cleanup_free_ char *path = NULL, *path2 = NULL, *run = NULL; | |
5758 | ||
5759 | switch (arg_scope) { | |
5760 | case UNIT_FILE_SYSTEM: | |
5761 | path = path_join(arg_root, SYSTEM_CONFIG_UNIT_PATH, name); | |
5762 | if (arg_runtime) | |
5763 | run = path_join(arg_root, "/run/systemd/system/", name); | |
5764 | break; | |
5765 | case UNIT_FILE_GLOBAL: | |
5766 | path = path_join(arg_root, USER_CONFIG_UNIT_PATH, name); | |
5767 | if (arg_runtime) | |
5768 | run = path_join(arg_root, "/run/systemd/user/", name); | |
5769 | break; | |
5770 | case UNIT_FILE_USER: | |
5771 | assert(user_home); | |
5772 | assert(user_runtime); | |
5773 | ||
5774 | path = path_join(arg_root, user_home, name); | |
5775 | if (arg_runtime) { | |
5776 | path2 = path_join(arg_root, USER_CONFIG_UNIT_PATH, name); | |
5777 | if (!path2) | |
5778 | return log_oom(); | |
5779 | run = path_join(arg_root, user_runtime, name); | |
5780 | } | |
5781 | break; | |
5782 | default: | |
5783 | assert_not_reached("Invalid scope"); | |
5784 | } | |
5785 | if (!path || (arg_runtime && !run)) | |
5786 | return log_oom(); | |
5787 | ||
5788 | if (arg_runtime) { | |
5789 | if (access(path, F_OK) >= 0) | |
5790 | return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.", | |
5791 | run, path); | |
5792 | if (path2 && access(path2, F_OK) >= 0) | |
5793 | return log_error_errno(EEXIST, "Refusing to create \"%s\" because it would be overriden by \"%s\" anyway.", | |
5794 | run, path2); | |
5795 | *ret_path = run; | |
5796 | run = NULL; | |
5797 | } else { | |
5798 | *ret_path = path; | |
5799 | path = NULL; | |
5800 | } | |
5801 | ||
5802 | return 0; | |
5803 | } | |
5804 | ||
5805 | ||
5806 | static int unit_file_create_dropin(const char *unit_name, const char *user_home, const char *user_runtime, char **ret_new_path, char **ret_tmp_path) { | |
5807 | char *tmp_new_path, *ending; | |
5808 | char *tmp_tmp_path; | |
5809 | int r; | |
5810 | ||
5811 | assert(unit_name); | |
5812 | assert(ret_new_path); | |
5813 | assert(ret_tmp_path); | |
5814 | ||
5815 | ending = strjoina(unit_name, ".d/override.conf"); | |
5816 | r = get_file_to_edit(ending, user_home, user_runtime, &tmp_new_path); | |
5817 | if (r < 0) | |
5818 | return r; | |
5819 | ||
5820 | r = create_edit_temp_file(tmp_new_path, tmp_new_path, &tmp_tmp_path); | |
5821 | if (r < 0) { | |
5822 | free(tmp_new_path); | |
5823 | return r; | |
5824 | } | |
5825 | ||
5826 | *ret_new_path = tmp_new_path; | |
5827 | *ret_tmp_path = tmp_tmp_path; | |
5828 | ||
5829 | return 0; | |
5830 | } | |
5831 | ||
5832 | static int unit_file_create_copy(const char *unit_name, | |
5833 | const char *fragment_path, | |
5834 | const char *user_home, | |
5835 | const char *user_runtime, | |
5836 | char **ret_new_path, | |
5837 | char **ret_tmp_path) { | |
5838 | char *tmp_new_path; | |
5839 | char *tmp_tmp_path; | |
5840 | int r; | |
5841 | ||
5842 | assert(fragment_path); | |
5843 | assert(unit_name); | |
5844 | assert(ret_new_path); | |
5845 | assert(ret_tmp_path); | |
5846 | ||
5847 | r = get_file_to_edit(unit_name, user_home, user_runtime, &tmp_new_path); | |
5848 | if (r < 0) | |
5849 | return r; | |
5850 | ||
5851 | if (!path_equal(fragment_path, tmp_new_path) && access(tmp_new_path, F_OK) == 0) { | |
5852 | char response; | |
5853 | ||
5854 | r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", tmp_new_path, fragment_path); | |
5855 | if (r < 0) { | |
5856 | free(tmp_new_path); | |
5857 | return r; | |
5858 | } | |
5859 | if (response != 'y') { | |
5860 | log_warning("%s ignored", unit_name); | |
5861 | free(tmp_new_path); | |
5862 | return -1; | |
5863 | } | |
5864 | } | |
5865 | ||
5866 | r = create_edit_temp_file(tmp_new_path, fragment_path, &tmp_tmp_path); | |
5867 | if (r < 0) { | |
5868 | log_error_errno(r, "Failed to create temporary file for \"%s\": %m", tmp_new_path); | |
5869 | free(tmp_new_path); | |
5870 | return r; | |
5871 | } | |
5872 | ||
5873 | *ret_new_path = tmp_new_path; | |
5874 | *ret_tmp_path = tmp_tmp_path; | |
5875 | ||
5876 | return 0; | |
5877 | } | |
5878 | ||
5879 | static int run_editor(char **paths) { | |
5880 | pid_t pid; | |
5881 | int r; | |
5882 | ||
5883 | assert(paths); | |
5884 | ||
5885 | pid = fork(); | |
5886 | if (pid < 0) { | |
5887 | log_error_errno(errno, "Failed to fork: %m"); | |
5888 | return -errno; | |
5889 | } | |
5890 | ||
5891 | if (pid == 0) { | |
5892 | const char **args; | |
5893 | char **backup_editors = STRV_MAKE("nano", "vim", "vi"); | |
5894 | char *editor; | |
5895 | char **tmp_path, **original_path, **p; | |
5896 | unsigned i = 1; | |
5897 | size_t argc; | |
5898 | ||
5899 | argc = strv_length(paths)/2 + 1; | |
5900 | args = newa(const char*, argc + 1); | |
5901 | ||
5902 | args[0] = NULL; | |
5903 | STRV_FOREACH_PAIR(original_path, tmp_path, paths) { | |
5904 | args[i] = *tmp_path; | |
5905 | i++; | |
5906 | } | |
5907 | args[argc] = NULL; | |
5908 | ||
5909 | /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL | |
5910 | * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present, | |
5911 | * we try to execute well known editors | |
5912 | */ | |
5913 | editor = getenv("SYSTEMD_EDITOR"); | |
5914 | if (!editor) | |
5915 | editor = getenv("EDITOR"); | |
5916 | if (!editor) | |
5917 | editor = getenv("VISUAL"); | |
5918 | ||
5919 | if (!isempty(editor)) { | |
5920 | args[0] = editor; | |
5921 | execvp(editor, (char* const*) args); | |
5922 | } | |
5923 | ||
5924 | STRV_FOREACH(p, backup_editors) { | |
5925 | args[0] = *p; | |
5926 | execvp(*p, (char* const*) args); | |
5927 | /* We do not fail if the editor doesn't exist | |
5928 | * because we want to try each one of them before | |
5929 | * failing. | |
5930 | */ | |
5931 | if (errno != ENOENT) { | |
5932 | log_error("Failed to execute %s: %m", editor); | |
5933 | _exit(EXIT_FAILURE); | |
5934 | } | |
5935 | } | |
5936 | ||
5937 | log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR or $EDITOR or $VISUAL."); | |
5938 | _exit(EXIT_FAILURE); | |
5939 | } | |
5940 | ||
5941 | r = wait_for_terminate_and_warn("editor", pid, true); | |
5942 | if (r < 0) | |
5943 | return log_error_errno(r, "Failed to wait for child: %m"); | |
5944 | ||
5945 | return r; | |
5946 | } | |
5947 | ||
5948 | static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) { | |
5949 | _cleanup_free_ char *user_home = NULL; | |
5950 | _cleanup_free_ char *user_runtime = NULL; | |
5951 | _cleanup_lookup_paths_free_ LookupPaths lp = {}; | |
5952 | bool avoid_bus_cache; | |
5953 | char **name; | |
5954 | int r; | |
5955 | ||
5956 | assert(names); | |
5957 | assert(paths); | |
5958 | ||
5959 | r = init_home_and_lookup_paths(&user_home, &user_runtime, &lp); | |
5960 | if (r < 0) | |
5961 | return r; | |
5962 | ||
5963 | avoid_bus_cache = !bus || avoid_bus(); | |
5964 | ||
5965 | STRV_FOREACH(name, names) { | |
5966 | _cleanup_free_ char *path = NULL; | |
5967 | char *new_path, *tmp_path; | |
5968 | ||
5969 | r = unit_find_paths(bus, *name, avoid_bus_cache, &lp, &path, NULL); | |
5970 | if (r < 0) | |
5971 | return r; | |
5972 | else if (r == 0) | |
5973 | return -ENOENT; | |
5974 | else if (!path) { | |
5975 | // FIXME: support units with path==NULL (no FragmentPath) | |
5976 | log_error("No fragment exists for %s.", *name); | |
5977 | return -ENOENT; | |
5978 | } | |
5979 | ||
5980 | if (arg_full) | |
5981 | r = unit_file_create_copy(*name, path, user_home, user_runtime, &new_path, &tmp_path); | |
5982 | else | |
5983 | r = unit_file_create_dropin(*name, user_home, user_runtime, &new_path, &tmp_path); | |
5984 | if (r < 0) | |
5985 | return r; | |
5986 | ||
5987 | r = strv_push_pair(paths, new_path, tmp_path); | |
5988 | if (r < 0) | |
5989 | return log_oom(); | |
5990 | } | |
5991 | ||
5992 | return 0; | |
5993 | } | |
5994 | ||
5995 | static int edit(sd_bus *bus, char **args) { | |
5996 | _cleanup_strv_free_ char **names = NULL; | |
5997 | _cleanup_strv_free_ char **paths = NULL; | |
5998 | char **original, **tmp; | |
5999 | int r; | |
6000 | ||
6001 | assert(args); | |
6002 | ||
6003 | if (!on_tty()) { | |
6004 | log_error("Cannot edit units if not on a tty"); | |
6005 | return -EINVAL; | |
6006 | } | |
6007 | ||
6008 | if (arg_transport != BUS_TRANSPORT_LOCAL) { | |
6009 | log_error("Cannot remotely edit units"); | |
6010 | return -EINVAL; | |
6011 | } | |
6012 | ||
6013 | r = expand_names(bus, args + 1, NULL, &names); | |
6014 | if (r < 0) | |
6015 | return log_error_errno(r, "Failed to expand names: %m"); | |
6016 | ||
6017 | r = find_paths_to_edit(bus, names, &paths); | |
6018 | if (r < 0) | |
6019 | return r; | |
6020 | ||
6021 | if (strv_isempty(paths)) | |
6022 | return -ENOENT; | |
6023 | ||
6024 | r = run_editor(paths); | |
6025 | if (r < 0) | |
6026 | goto end; | |
6027 | ||
6028 | STRV_FOREACH_PAIR(original, tmp, paths) { | |
6029 | /* If the temporary file is empty we ignore it. | |
6030 | * It's useful if the user wants to cancel its modification | |
6031 | */ | |
6032 | if (null_or_empty_path(*tmp)) { | |
6033 | log_warning("Editing \"%s\" canceled: temporary file is empty", *original); | |
6034 | continue; | |
6035 | } | |
6036 | r = rename(*tmp, *original); | |
6037 | if (r < 0) { | |
6038 | r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original); | |
6039 | goto end; | |
6040 | } | |
6041 | } | |
6042 | ||
6043 | if (!arg_no_reload && bus && !avoid_bus()) | |
6044 | r = daemon_reload(bus, args); | |
6045 | ||
6046 | end: | |
6047 | STRV_FOREACH_PAIR(original, tmp, paths) | |
6048 | unlink_noerrno(*tmp); | |
6049 | ||
6050 | return r; | |
6051 | } | |
6052 | ||
6053 | static void systemctl_help(void) { | |
6054 | ||
6055 | pager_open_if_enabled(); | |
6056 | ||
6057 | printf("%s [OPTIONS...] {COMMAND} ...\n\n" | |
6058 | "Query or send control commands to the systemd manager.\n\n" | |
6059 | " -h --help Show this help\n" | |
6060 | " --version Show package version\n" | |
6061 | " --system Connect to system manager\n" | |
6062 | " --user Connect to user service manager\n" | |
6063 | " -H --host=[USER@]HOST\n" | |
6064 | " Operate on remote host\n" | |
6065 | " -M --machine=CONTAINER\n" | |
6066 | " Operate on local container\n" | |
6067 | " -t --type=TYPE List units of a particular type\n" | |
6068 | " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n" | |
6069 | " -p --property=NAME Show only properties by this name\n" | |
6070 | " -a --all Show all loaded units/properties, including dead/empty\n" | |
6071 | " ones. To list all units installed on the system, use\n" | |
6072 | " the 'list-unit-files' command instead.\n" | |
6073 | " -l --full Don't ellipsize unit names on output\n" | |
6074 | " -r --recursive Show unit list of host and local containers\n" | |
6075 | " --reverse Show reverse dependencies with 'list-dependencies'\n" | |
6076 | " --job-mode=MODE Specify how to deal with already queued jobs, when\n" | |
6077 | " queueing a new job\n" | |
6078 | " --show-types When showing sockets, explicitly show their type\n" | |
6079 | " -i --ignore-inhibitors\n" | |
6080 | " When shutting down or sleeping, ignore inhibitors\n" | |
6081 | " --kill-who=WHO Who to send signal to\n" | |
6082 | " -s --signal=SIGNAL Which signal to send\n" | |
6083 | " -q --quiet Suppress output\n" | |
6084 | " --no-block Do not wait until operation finished\n" | |
6085 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
6086 | " --no-reload Don't reload daemon after en-/dis-abling unit files\n" | |
6087 | " --no-legend Do not print a legend (column headers and hints)\n" | |
6088 | " --no-pager Do not pipe output into a pager\n" | |
6089 | " --no-ask-password\n" | |
6090 | " Do not ask for system passwords\n" | |
6091 | " --global Enable/disable unit files globally\n" | |
6092 | " --runtime Enable unit files only temporarily until next reboot\n" | |
6093 | " -f --force When enabling unit files, override existing symlinks\n" | |
6094 | " When shutting down, execute action immediately\n" | |
6095 | " --preset-mode= Apply only enable, only disable, or all presets\n" | |
6096 | " --root=PATH Enable unit files in the specified root directory\n" | |
6097 | " -n --lines=INTEGER Number of journal entries to show\n" | |
6098 | " -o --output=STRING Change journal output mode (short, short-iso,\n" | |
6099 | " short-precise, short-monotonic, verbose,\n" | |
6100 | " export, json, json-pretty, json-sse, cat)\n" | |
6101 | " --plain Print unit dependencies as a list instead of a tree\n\n" | |
6102 | "Unit Commands:\n" | |
6103 | " list-units [PATTERN...] List loaded units\n" | |
6104 | " list-sockets [PATTERN...] List loaded sockets ordered by address\n" | |
6105 | " list-timers [PATTERN...] List loaded timers ordered by next elapse\n" | |
6106 | " start NAME... Start (activate) one or more units\n" | |
6107 | " stop NAME... Stop (deactivate) one or more units\n" | |
6108 | " reload NAME... Reload one or more units\n" | |
6109 | " restart NAME... Start or restart one or more units\n" | |
6110 | " try-restart NAME... Restart one or more units if active\n" | |
6111 | " reload-or-restart NAME... Reload one or more units if possible,\n" | |
6112 | " otherwise start or restart\n" | |
6113 | " reload-or-try-restart NAME... Reload one or more units if possible,\n" | |
6114 | " otherwise restart if active\n" | |
6115 | " isolate NAME Start one unit and stop all others\n" | |
6116 | " kill NAME... Send signal to processes of a unit\n" | |
6117 | " is-active PATTERN... Check whether units are active\n" | |
6118 | " is-failed PATTERN... Check whether units are failed\n" | |
6119 | " status [PATTERN...|PID...] Show runtime status of one or more units\n" | |
6120 | " show [PATTERN...|JOB...] Show properties of one or more\n" | |
6121 | " units/jobs or the manager\n" | |
6122 | " cat PATTERN... Show files and drop-ins of one or more units\n" | |
6123 | " set-property NAME ASSIGNMENT... Sets one or more properties of a unit\n" | |
6124 | " help PATTERN...|PID... Show manual for one or more units\n" | |
6125 | " reset-failed [PATTERN...] Reset failed state for all, one, or more\n" | |
6126 | " units\n" | |
6127 | " list-dependencies [NAME] Recursively show units which are required\n" | |
6128 | " or wanted by this unit or by which this\n" | |
6129 | " unit is required or wanted\n\n" | |
6130 | "Unit File Commands:\n" | |
6131 | " list-unit-files [PATTERN...] List installed unit files\n" | |
6132 | " enable NAME... Enable one or more unit files\n" | |
6133 | " disable NAME... Disable one or more unit files\n" | |
6134 | " reenable NAME... Reenable one or more unit files\n" | |
6135 | " preset NAME... Enable/disable one or more unit files\n" | |
6136 | " based on preset configuration\n" | |
6137 | " preset-all Enable/disable all unit files based on\n" | |
6138 | " preset configuration\n" | |
6139 | " is-enabled NAME... Check whether unit files are enabled\n" | |
6140 | " mask NAME... Mask one or more units\n" | |
6141 | " unmask NAME... Unmask one or more units\n" | |
6142 | " link PATH... Link one or more units files into\n" | |
6143 | " the search path\n" | |
6144 | " add-wants TARGET NAME... Add 'Wants' dependency for the target\n" | |
6145 | " on specified one or more units\n" | |
6146 | " add-requires TARGET NAME... Add 'Requires' dependency for the target\n" | |
6147 | " on specified one or more units\n" | |
6148 | " edit NAME... Edit one or more unit files\n" | |
6149 | " get-default Get the name of the default target\n" | |
6150 | " set-default NAME Set the default target\n\n" | |
6151 | "Machine Commands:\n" | |
6152 | " list-machines [PATTERN...] List local containers and host\n\n" | |
6153 | "Job Commands:\n" | |
6154 | " list-jobs [PATTERN...] List jobs\n" | |
6155 | " cancel [JOB...] Cancel all, one, or more jobs\n\n" | |
6156 | "Snapshot Commands:\n" | |
6157 | " snapshot [NAME] Create a snapshot\n" | |
6158 | " delete NAME... Remove one or more snapshots\n\n" | |
6159 | "Environment Commands:\n" | |
6160 | " show-environment Dump environment\n" | |
6161 | " set-environment NAME=VALUE... Set one or more environment variables\n" | |
6162 | " unset-environment NAME... Unset one or more environment variables\n" | |
6163 | " import-environment [NAME...] Import all or some environment variables\n\n" | |
6164 | "Manager Lifecycle Commands:\n" | |
6165 | " daemon-reload Reload systemd manager configuration\n" | |
6166 | " daemon-reexec Reexecute systemd manager\n\n" | |
6167 | "System Commands:\n" | |
6168 | " is-system-running Check whether system is fully running\n" | |
6169 | " default Enter system default mode\n" | |
6170 | " rescue Enter system rescue mode\n" | |
6171 | " emergency Enter system emergency mode\n" | |
6172 | " halt Shut down and halt the system\n" | |
6173 | " poweroff Shut down and power-off the system\n" | |
6174 | " reboot [ARG] Shut down and reboot the system\n" | |
6175 | " kexec Shut down and reboot the system with kexec\n" | |
6176 | " exit Request user instance exit\n" | |
6177 | " switch-root ROOT [INIT] Change to a different root file system\n" | |
6178 | " suspend Suspend the system\n" | |
6179 | " hibernate Hibernate the system\n" | |
6180 | " hybrid-sleep Hibernate and suspend the system\n", | |
6181 | program_invocation_short_name); | |
6182 | } | |
6183 | ||
6184 | static void halt_help(void) { | |
6185 | printf("%s [OPTIONS...]%s\n\n" | |
6186 | "%s the system.\n\n" | |
6187 | " --help Show this help\n" | |
6188 | " --halt Halt the machine\n" | |
6189 | " -p --poweroff Switch off the machine\n" | |
6190 | " --reboot Reboot the machine\n" | |
6191 | " -f --force Force immediate halt/power-off/reboot\n" | |
6192 | " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n" | |
6193 | " -d --no-wtmp Don't write wtmp record\n" | |
6194 | " --no-wall Don't send wall message before halt/power-off/reboot\n", | |
6195 | program_invocation_short_name, | |
6196 | arg_action == ACTION_REBOOT ? " [ARG]" : "", | |
6197 | arg_action == ACTION_REBOOT ? "Reboot" : | |
6198 | arg_action == ACTION_POWEROFF ? "Power off" : | |
6199 | "Halt"); | |
6200 | } | |
6201 | ||
6202 | static void shutdown_help(void) { | |
6203 | printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" | |
6204 | "Shut down the system.\n\n" | |
6205 | " --help Show this help\n" | |
6206 | " -H --halt Halt the machine\n" | |
6207 | " -P --poweroff Power-off the machine\n" | |
6208 | " -r --reboot Reboot the machine\n" | |
6209 | " -h Equivalent to --poweroff, overridden by --halt\n" | |
6210 | " -k Don't halt/power-off/reboot, just send warnings\n" | |
6211 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
6212 | " -c Cancel a pending shutdown\n", | |
6213 | program_invocation_short_name); | |
6214 | } | |
6215 | ||
6216 | static void telinit_help(void) { | |
6217 | printf("%s [OPTIONS...] {COMMAND}\n\n" | |
6218 | "Send control commands to the init daemon.\n\n" | |
6219 | " --help Show this help\n" | |
6220 | " --no-wall Don't send wall message before halt/power-off/reboot\n\n" | |
6221 | "Commands:\n" | |
6222 | " 0 Power-off the machine\n" | |
6223 | " 6 Reboot the machine\n" | |
6224 | " 2, 3, 4, 5 Start runlevelX.target unit\n" | |
6225 | " 1, s, S Enter rescue mode\n" | |
6226 | " q, Q Reload init daemon configuration\n" | |
6227 | " u, U Reexecute init daemon\n", | |
6228 | program_invocation_short_name); | |
6229 | } | |
6230 | ||
6231 | static void runlevel_help(void) { | |
6232 | printf("%s [OPTIONS...]\n\n" | |
6233 | "Prints the previous and current runlevel of the init system.\n\n" | |
6234 | " --help Show this help\n", | |
6235 | program_invocation_short_name); | |
6236 | } | |
6237 | ||
6238 | static void help_types(void) { | |
6239 | int i; | |
6240 | const char *t; | |
6241 | ||
6242 | if (!arg_no_legend) | |
6243 | puts("Available unit types:"); | |
6244 | for (i = 0; i < _UNIT_TYPE_MAX; i++) { | |
6245 | t = unit_type_to_string(i); | |
6246 | if (t) | |
6247 | puts(t); | |
6248 | } | |
6249 | } | |
6250 | ||
6251 | static int systemctl_parse_argv(int argc, char *argv[]) { | |
6252 | ||
6253 | enum { | |
6254 | ARG_FAIL = 0x100, | |
6255 | ARG_REVERSE, | |
6256 | ARG_AFTER, | |
6257 | ARG_BEFORE, | |
6258 | ARG_SHOW_TYPES, | |
6259 | ARG_IRREVERSIBLE, | |
6260 | ARG_IGNORE_DEPENDENCIES, | |
6261 | ARG_VERSION, | |
6262 | ARG_USER, | |
6263 | ARG_SYSTEM, | |
6264 | ARG_GLOBAL, | |
6265 | ARG_NO_BLOCK, | |
6266 | ARG_NO_LEGEND, | |
6267 | ARG_NO_PAGER, | |
6268 | ARG_NO_WALL, | |
6269 | ARG_ROOT, | |
6270 | ARG_NO_RELOAD, | |
6271 | ARG_KILL_WHO, | |
6272 | ARG_NO_ASK_PASSWORD, | |
6273 | ARG_FAILED, | |
6274 | ARG_RUNTIME, | |
6275 | ARG_FORCE, | |
6276 | ARG_PLAIN, | |
6277 | ARG_STATE, | |
6278 | ARG_JOB_MODE, | |
6279 | ARG_PRESET_MODE, | |
6280 | }; | |
6281 | ||
6282 | static const struct option options[] = { | |
6283 | { "help", no_argument, NULL, 'h' }, | |
6284 | { "version", no_argument, NULL, ARG_VERSION }, | |
6285 | { "type", required_argument, NULL, 't' }, | |
6286 | { "property", required_argument, NULL, 'p' }, | |
6287 | { "all", no_argument, NULL, 'a' }, | |
6288 | { "reverse", no_argument, NULL, ARG_REVERSE }, | |
6289 | { "after", no_argument, NULL, ARG_AFTER }, | |
6290 | { "before", no_argument, NULL, ARG_BEFORE }, | |
6291 | { "show-types", no_argument, NULL, ARG_SHOW_TYPES }, | |
6292 | { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */ | |
6293 | { "full", no_argument, NULL, 'l' }, | |
6294 | { "job-mode", required_argument, NULL, ARG_JOB_MODE }, | |
6295 | { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */ | |
6296 | { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ | |
6297 | { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ | |
6298 | { "ignore-inhibitors", no_argument, NULL, 'i' }, | |
6299 | { "user", no_argument, NULL, ARG_USER }, | |
6300 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
6301 | { "global", no_argument, NULL, ARG_GLOBAL }, | |
6302 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
6303 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, | |
6304 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
6305 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
6306 | { "quiet", no_argument, NULL, 'q' }, | |
6307 | { "root", required_argument, NULL, ARG_ROOT }, | |
6308 | { "force", no_argument, NULL, ARG_FORCE }, | |
6309 | { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, | |
6310 | { "kill-who", required_argument, NULL, ARG_KILL_WHO }, | |
6311 | { "signal", required_argument, NULL, 's' }, | |
6312 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
6313 | { "host", required_argument, NULL, 'H' }, | |
6314 | { "machine", required_argument, NULL, 'M' }, | |
6315 | { "runtime", no_argument, NULL, ARG_RUNTIME }, | |
6316 | { "lines", required_argument, NULL, 'n' }, | |
6317 | { "output", required_argument, NULL, 'o' }, | |
6318 | { "plain", no_argument, NULL, ARG_PLAIN }, | |
6319 | { "state", required_argument, NULL, ARG_STATE }, | |
6320 | { "recursive", no_argument, NULL, 'r' }, | |
6321 | { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, | |
6322 | {} | |
6323 | }; | |
6324 | ||
6325 | int c; | |
6326 | ||
6327 | assert(argc >= 0); | |
6328 | assert(argv); | |
6329 | ||
6330 | while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:ir", options, NULL)) >= 0) | |
6331 | ||
6332 | switch (c) { | |
6333 | ||
6334 | case 'h': | |
6335 | systemctl_help(); | |
6336 | return 0; | |
6337 | ||
6338 | case ARG_VERSION: | |
6339 | puts(PACKAGE_STRING); | |
6340 | puts(SYSTEMD_FEATURES); | |
6341 | return 0; | |
6342 | ||
6343 | case 't': { | |
6344 | const char *word, *state; | |
6345 | size_t size; | |
6346 | ||
6347 | FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { | |
6348 | _cleanup_free_ char *type; | |
6349 | ||
6350 | type = strndup(word, size); | |
6351 | if (!type) | |
6352 | return -ENOMEM; | |
6353 | ||
6354 | if (streq(type, "help")) { | |
6355 | help_types(); | |
6356 | return 0; | |
6357 | } | |
6358 | ||
6359 | if (unit_type_from_string(type) >= 0) { | |
6360 | if (strv_push(&arg_types, type)) | |
6361 | return log_oom(); | |
6362 | type = NULL; | |
6363 | continue; | |
6364 | } | |
6365 | ||
6366 | /* It's much nicer to use --state= for | |
6367 | * load states, but let's support this | |
6368 | * in --types= too for compatibility | |
6369 | * with old versions */ | |
6370 | if (unit_load_state_from_string(optarg) >= 0) { | |
6371 | if (strv_push(&arg_states, type) < 0) | |
6372 | return log_oom(); | |
6373 | type = NULL; | |
6374 | continue; | |
6375 | } | |
6376 | ||
6377 | log_error("Unknown unit type or load state '%s'.", type); | |
6378 | log_info("Use -t help to see a list of allowed values."); | |
6379 | return -EINVAL; | |
6380 | } | |
6381 | ||
6382 | break; | |
6383 | } | |
6384 | ||
6385 | case 'p': { | |
6386 | /* Make sure that if the empty property list | |
6387 | was specified, we won't show any properties. */ | |
6388 | if (isempty(optarg) && !arg_properties) { | |
6389 | arg_properties = new0(char*, 1); | |
6390 | if (!arg_properties) | |
6391 | return log_oom(); | |
6392 | } else { | |
6393 | const char *word, *state; | |
6394 | size_t size; | |
6395 | ||
6396 | FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { | |
6397 | char *prop; | |
6398 | ||
6399 | prop = strndup(word, size); | |
6400 | if (!prop) | |
6401 | return log_oom(); | |
6402 | ||
6403 | if (strv_consume(&arg_properties, prop) < 0) | |
6404 | return log_oom(); | |
6405 | } | |
6406 | } | |
6407 | ||
6408 | /* If the user asked for a particular | |
6409 | * property, show it to him, even if it is | |
6410 | * empty. */ | |
6411 | arg_all = true; | |
6412 | ||
6413 | break; | |
6414 | } | |
6415 | ||
6416 | case 'a': | |
6417 | arg_all = true; | |
6418 | break; | |
6419 | ||
6420 | case ARG_REVERSE: | |
6421 | arg_dependency = DEPENDENCY_REVERSE; | |
6422 | break; | |
6423 | ||
6424 | case ARG_AFTER: | |
6425 | arg_dependency = DEPENDENCY_AFTER; | |
6426 | break; | |
6427 | ||
6428 | case ARG_BEFORE: | |
6429 | arg_dependency = DEPENDENCY_BEFORE; | |
6430 | break; | |
6431 | ||
6432 | case ARG_SHOW_TYPES: | |
6433 | arg_show_types = true; | |
6434 | break; | |
6435 | ||
6436 | case ARG_JOB_MODE: | |
6437 | arg_job_mode = optarg; | |
6438 | break; | |
6439 | ||
6440 | case ARG_FAIL: | |
6441 | arg_job_mode = "fail"; | |
6442 | break; | |
6443 | ||
6444 | case ARG_IRREVERSIBLE: | |
6445 | arg_job_mode = "replace-irreversibly"; | |
6446 | break; | |
6447 | ||
6448 | case ARG_IGNORE_DEPENDENCIES: | |
6449 | arg_job_mode = "ignore-dependencies"; | |
6450 | break; | |
6451 | ||
6452 | case ARG_USER: | |
6453 | arg_scope = UNIT_FILE_USER; | |
6454 | break; | |
6455 | ||
6456 | case ARG_SYSTEM: | |
6457 | arg_scope = UNIT_FILE_SYSTEM; | |
6458 | break; | |
6459 | ||
6460 | case ARG_GLOBAL: | |
6461 | arg_scope = UNIT_FILE_GLOBAL; | |
6462 | break; | |
6463 | ||
6464 | case ARG_NO_BLOCK: | |
6465 | arg_no_block = true; | |
6466 | break; | |
6467 | ||
6468 | case ARG_NO_LEGEND: | |
6469 | arg_no_legend = true; | |
6470 | break; | |
6471 | ||
6472 | case ARG_NO_PAGER: | |
6473 | arg_no_pager = true; | |
6474 | break; | |
6475 | ||
6476 | case ARG_NO_WALL: | |
6477 | arg_no_wall = true; | |
6478 | break; | |
6479 | ||
6480 | case ARG_ROOT: | |
6481 | arg_root = optarg; | |
6482 | break; | |
6483 | ||
6484 | case 'l': | |
6485 | arg_full = true; | |
6486 | break; | |
6487 | ||
6488 | case ARG_FAILED: | |
6489 | if (strv_extend(&arg_states, "failed") < 0) | |
6490 | return log_oom(); | |
6491 | ||
6492 | break; | |
6493 | ||
6494 | case 'q': | |
6495 | arg_quiet = true; | |
6496 | break; | |
6497 | ||
6498 | case ARG_FORCE: | |
6499 | arg_force ++; | |
6500 | break; | |
6501 | ||
6502 | case 'f': | |
6503 | arg_force ++; | |
6504 | break; | |
6505 | ||
6506 | case ARG_NO_RELOAD: | |
6507 | arg_no_reload = true; | |
6508 | break; | |
6509 | ||
6510 | case ARG_KILL_WHO: | |
6511 | arg_kill_who = optarg; | |
6512 | break; | |
6513 | ||
6514 | case 's': | |
6515 | if ((arg_signal = signal_from_string_try_harder(optarg)) < 0) { | |
6516 | log_error("Failed to parse signal string %s.", optarg); | |
6517 | return -EINVAL; | |
6518 | } | |
6519 | break; | |
6520 | ||
6521 | case ARG_NO_ASK_PASSWORD: | |
6522 | arg_ask_password = false; | |
6523 | break; | |
6524 | ||
6525 | case 'H': | |
6526 | arg_transport = BUS_TRANSPORT_REMOTE; | |
6527 | arg_host = optarg; | |
6528 | break; | |
6529 | ||
6530 | case 'M': | |
6531 | arg_transport = BUS_TRANSPORT_MACHINE; | |
6532 | arg_host = optarg; | |
6533 | break; | |
6534 | ||
6535 | case ARG_RUNTIME: | |
6536 | arg_runtime = true; | |
6537 | break; | |
6538 | ||
6539 | case 'n': | |
6540 | if (safe_atou(optarg, &arg_lines) < 0) { | |
6541 | log_error("Failed to parse lines '%s'", optarg); | |
6542 | return -EINVAL; | |
6543 | } | |
6544 | break; | |
6545 | ||
6546 | case 'o': | |
6547 | arg_output = output_mode_from_string(optarg); | |
6548 | if (arg_output < 0) { | |
6549 | log_error("Unknown output '%s'.", optarg); | |
6550 | return -EINVAL; | |
6551 | } | |
6552 | break; | |
6553 | ||
6554 | case 'i': | |
6555 | arg_ignore_inhibitors = true; | |
6556 | break; | |
6557 | ||
6558 | case ARG_PLAIN: | |
6559 | arg_plain = true; | |
6560 | break; | |
6561 | ||
6562 | case ARG_STATE: { | |
6563 | const char *word, *state; | |
6564 | size_t size; | |
6565 | ||
6566 | FOREACH_WORD_SEPARATOR(word, size, optarg, ",", state) { | |
6567 | char *s; | |
6568 | ||
6569 | s = strndup(word, size); | |
6570 | if (!s) | |
6571 | return log_oom(); | |
6572 | ||
6573 | if (strv_consume(&arg_states, s) < 0) | |
6574 | return log_oom(); | |
6575 | } | |
6576 | break; | |
6577 | } | |
6578 | ||
6579 | case 'r': | |
6580 | if (geteuid() != 0) { | |
6581 | log_error("--recursive requires root privileges."); | |
6582 | return -EPERM; | |
6583 | } | |
6584 | ||
6585 | arg_recursive = true; | |
6586 | break; | |
6587 | ||
6588 | case ARG_PRESET_MODE: | |
6589 | ||
6590 | arg_preset_mode = unit_file_preset_mode_from_string(optarg); | |
6591 | if (arg_preset_mode < 0) { | |
6592 | log_error("Failed to parse preset mode: %s.", optarg); | |
6593 | return -EINVAL; | |
6594 | } | |
6595 | ||
6596 | break; | |
6597 | ||
6598 | case '?': | |
6599 | return -EINVAL; | |
6600 | ||
6601 | default: | |
6602 | assert_not_reached("Unhandled option"); | |
6603 | } | |
6604 | ||
6605 | if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) { | |
6606 | log_error("Cannot access user instance remotely."); | |
6607 | return -EINVAL; | |
6608 | } | |
6609 | ||
6610 | return 1; | |
6611 | } | |
6612 | ||
6613 | static int halt_parse_argv(int argc, char *argv[]) { | |
6614 | ||
6615 | enum { | |
6616 | ARG_HELP = 0x100, | |
6617 | ARG_HALT, | |
6618 | ARG_REBOOT, | |
6619 | ARG_NO_WALL | |
6620 | }; | |
6621 | ||
6622 | static const struct option options[] = { | |
6623 | { "help", no_argument, NULL, ARG_HELP }, | |
6624 | { "halt", no_argument, NULL, ARG_HALT }, | |
6625 | { "poweroff", no_argument, NULL, 'p' }, | |
6626 | { "reboot", no_argument, NULL, ARG_REBOOT }, | |
6627 | { "force", no_argument, NULL, 'f' }, | |
6628 | { "wtmp-only", no_argument, NULL, 'w' }, | |
6629 | { "no-wtmp", no_argument, NULL, 'd' }, | |
6630 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
6631 | {} | |
6632 | }; | |
6633 | ||
6634 | int c, r, runlevel; | |
6635 | ||
6636 | assert(argc >= 0); | |
6637 | assert(argv); | |
6638 | ||
6639 | if (utmp_get_runlevel(&runlevel, NULL) >= 0) | |
6640 | if (runlevel == '0' || runlevel == '6') | |
6641 | arg_force = 2; | |
6642 | ||
6643 | while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) | |
6644 | switch (c) { | |
6645 | ||
6646 | case ARG_HELP: | |
6647 | halt_help(); | |
6648 | return 0; | |
6649 | ||
6650 | case ARG_HALT: | |
6651 | arg_action = ACTION_HALT; | |
6652 | break; | |
6653 | ||
6654 | case 'p': | |
6655 | if (arg_action != ACTION_REBOOT) | |
6656 | arg_action = ACTION_POWEROFF; | |
6657 | break; | |
6658 | ||
6659 | case ARG_REBOOT: | |
6660 | arg_action = ACTION_REBOOT; | |
6661 | break; | |
6662 | ||
6663 | case 'f': | |
6664 | arg_force = 2; | |
6665 | break; | |
6666 | ||
6667 | case 'w': | |
6668 | arg_dry = true; | |
6669 | break; | |
6670 | ||
6671 | case 'd': | |
6672 | arg_no_wtmp = true; | |
6673 | break; | |
6674 | ||
6675 | case ARG_NO_WALL: | |
6676 | arg_no_wall = true; | |
6677 | break; | |
6678 | ||
6679 | case 'i': | |
6680 | case 'h': | |
6681 | case 'n': | |
6682 | /* Compatibility nops */ | |
6683 | break; | |
6684 | ||
6685 | case '?': | |
6686 | return -EINVAL; | |
6687 | ||
6688 | default: | |
6689 | assert_not_reached("Unhandled option"); | |
6690 | } | |
6691 | ||
6692 | if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) { | |
6693 | r = update_reboot_param_file(argc == optind + 1 ? argv[optind] : NULL); | |
6694 | if (r < 0) | |
6695 | return r; | |
6696 | } else if (optind < argc) { | |
6697 | log_error("Too many arguments."); | |
6698 | return -EINVAL; | |
6699 | } | |
6700 | ||
6701 | return 1; | |
6702 | } | |
6703 | ||
6704 | static int parse_time_spec(const char *t, usec_t *_u) { | |
6705 | assert(t); | |
6706 | assert(_u); | |
6707 | ||
6708 | if (streq(t, "now")) | |
6709 | *_u = 0; | |
6710 | else if (!strchr(t, ':')) { | |
6711 | uint64_t u; | |
6712 | ||
6713 | if (safe_atou64(t, &u) < 0) | |
6714 | return -EINVAL; | |
6715 | ||
6716 | *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u; | |
6717 | } else { | |
6718 | char *e = NULL; | |
6719 | long hour, minute; | |
6720 | struct tm tm = {}; | |
6721 | time_t s; | |
6722 | usec_t n; | |
6723 | ||
6724 | errno = 0; | |
6725 | hour = strtol(t, &e, 10); | |
6726 | if (errno > 0 || *e != ':' || hour < 0 || hour > 23) | |
6727 | return -EINVAL; | |
6728 | ||
6729 | minute = strtol(e+1, &e, 10); | |
6730 | if (errno > 0 || *e != 0 || minute < 0 || minute > 59) | |
6731 | return -EINVAL; | |
6732 | ||
6733 | n = now(CLOCK_REALTIME); | |
6734 | s = (time_t) (n / USEC_PER_SEC); | |
6735 | ||
6736 | assert_se(localtime_r(&s, &tm)); | |
6737 | ||
6738 | tm.tm_hour = (int) hour; | |
6739 | tm.tm_min = (int) minute; | |
6740 | tm.tm_sec = 0; | |
6741 | ||
6742 | assert_se(s = mktime(&tm)); | |
6743 | ||
6744 | *_u = (usec_t) s * USEC_PER_SEC; | |
6745 | ||
6746 | while (*_u <= n) | |
6747 | *_u += USEC_PER_DAY; | |
6748 | } | |
6749 | ||
6750 | return 0; | |
6751 | } | |
6752 | ||
6753 | static int shutdown_parse_argv(int argc, char *argv[]) { | |
6754 | ||
6755 | enum { | |
6756 | ARG_HELP = 0x100, | |
6757 | ARG_NO_WALL | |
6758 | }; | |
6759 | ||
6760 | static const struct option options[] = { | |
6761 | { "help", no_argument, NULL, ARG_HELP }, | |
6762 | { "halt", no_argument, NULL, 'H' }, | |
6763 | { "poweroff", no_argument, NULL, 'P' }, | |
6764 | { "reboot", no_argument, NULL, 'r' }, | |
6765 | { "kexec", no_argument, NULL, 'K' }, /* not documented extension */ | |
6766 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
6767 | {} | |
6768 | }; | |
6769 | ||
6770 | int c, r; | |
6771 | ||
6772 | assert(argc >= 0); | |
6773 | assert(argv); | |
6774 | ||
6775 | while ((c = getopt_long(argc, argv, "HPrhkKt:afFc", options, NULL)) >= 0) | |
6776 | switch (c) { | |
6777 | ||
6778 | case ARG_HELP: | |
6779 | shutdown_help(); | |
6780 | return 0; | |
6781 | ||
6782 | case 'H': | |
6783 | arg_action = ACTION_HALT; | |
6784 | break; | |
6785 | ||
6786 | case 'P': | |
6787 | arg_action = ACTION_POWEROFF; | |
6788 | break; | |
6789 | ||
6790 | case 'r': | |
6791 | if (kexec_loaded()) | |
6792 | arg_action = ACTION_KEXEC; | |
6793 | else | |
6794 | arg_action = ACTION_REBOOT; | |
6795 | break; | |
6796 | ||
6797 | case 'K': | |
6798 | arg_action = ACTION_KEXEC; | |
6799 | break; | |
6800 | ||
6801 | case 'h': | |
6802 | if (arg_action != ACTION_HALT) | |
6803 | arg_action = ACTION_POWEROFF; | |
6804 | break; | |
6805 | ||
6806 | case 'k': | |
6807 | arg_dry = true; | |
6808 | break; | |
6809 | ||
6810 | case ARG_NO_WALL: | |
6811 | arg_no_wall = true; | |
6812 | break; | |
6813 | ||
6814 | case 't': | |
6815 | case 'a': | |
6816 | case 'f': | |
6817 | case 'F': | |
6818 | /* Compatibility nops */ | |
6819 | break; | |
6820 | ||
6821 | case 'c': | |
6822 | arg_action = ACTION_CANCEL_SHUTDOWN; | |
6823 | break; | |
6824 | ||
6825 | case '?': | |
6826 | return -EINVAL; | |
6827 | ||
6828 | default: | |
6829 | assert_not_reached("Unhandled option"); | |
6830 | } | |
6831 | ||
6832 | if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) { | |
6833 | r = parse_time_spec(argv[optind], &arg_when); | |
6834 | if (r < 0) { | |
6835 | log_error("Failed to parse time specification: %s", argv[optind]); | |
6836 | return r; | |
6837 | } | |
6838 | } else | |
6839 | arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE; | |
6840 | ||
6841 | if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN) | |
6842 | /* No time argument for shutdown cancel */ | |
6843 | arg_wall = argv + optind; | |
6844 | else if (argc > optind + 1) | |
6845 | /* We skip the time argument */ | |
6846 | arg_wall = argv + optind + 1; | |
6847 | ||
6848 | optind = argc; | |
6849 | ||
6850 | return 1; | |
6851 | } | |
6852 | ||
6853 | static int telinit_parse_argv(int argc, char *argv[]) { | |
6854 | ||
6855 | enum { | |
6856 | ARG_HELP = 0x100, | |
6857 | ARG_NO_WALL | |
6858 | }; | |
6859 | ||
6860 | static const struct option options[] = { | |
6861 | { "help", no_argument, NULL, ARG_HELP }, | |
6862 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
6863 | {} | |
6864 | }; | |
6865 | ||
6866 | static const struct { | |
6867 | char from; | |
6868 | enum action to; | |
6869 | } table[] = { | |
6870 | { '0', ACTION_POWEROFF }, | |
6871 | { '6', ACTION_REBOOT }, | |
6872 | { '1', ACTION_RESCUE }, | |
6873 | { '2', ACTION_RUNLEVEL2 }, | |
6874 | { '3', ACTION_RUNLEVEL3 }, | |
6875 | { '4', ACTION_RUNLEVEL4 }, | |
6876 | { '5', ACTION_RUNLEVEL5 }, | |
6877 | { 's', ACTION_RESCUE }, | |
6878 | { 'S', ACTION_RESCUE }, | |
6879 | { 'q', ACTION_RELOAD }, | |
6880 | { 'Q', ACTION_RELOAD }, | |
6881 | { 'u', ACTION_REEXEC }, | |
6882 | { 'U', ACTION_REEXEC } | |
6883 | }; | |
6884 | ||
6885 | unsigned i; | |
6886 | int c; | |
6887 | ||
6888 | assert(argc >= 0); | |
6889 | assert(argv); | |
6890 | ||
6891 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
6892 | switch (c) { | |
6893 | ||
6894 | case ARG_HELP: | |
6895 | telinit_help(); | |
6896 | return 0; | |
6897 | ||
6898 | case ARG_NO_WALL: | |
6899 | arg_no_wall = true; | |
6900 | break; | |
6901 | ||
6902 | case '?': | |
6903 | return -EINVAL; | |
6904 | ||
6905 | default: | |
6906 | assert_not_reached("Unhandled option"); | |
6907 | } | |
6908 | ||
6909 | if (optind >= argc) { | |
6910 | log_error("%s: required argument missing.", | |
6911 | program_invocation_short_name); | |
6912 | return -EINVAL; | |
6913 | } | |
6914 | ||
6915 | if (optind + 1 < argc) { | |
6916 | log_error("Too many arguments."); | |
6917 | return -EINVAL; | |
6918 | } | |
6919 | ||
6920 | if (strlen(argv[optind]) != 1) { | |
6921 | log_error("Expected single character argument."); | |
6922 | return -EINVAL; | |
6923 | } | |
6924 | ||
6925 | for (i = 0; i < ELEMENTSOF(table); i++) | |
6926 | if (table[i].from == argv[optind][0]) | |
6927 | break; | |
6928 | ||
6929 | if (i >= ELEMENTSOF(table)) { | |
6930 | log_error("Unknown command '%s'.", argv[optind]); | |
6931 | return -EINVAL; | |
6932 | } | |
6933 | ||
6934 | arg_action = table[i].to; | |
6935 | ||
6936 | optind ++; | |
6937 | ||
6938 | return 1; | |
6939 | } | |
6940 | ||
6941 | static int runlevel_parse_argv(int argc, char *argv[]) { | |
6942 | ||
6943 | enum { | |
6944 | ARG_HELP = 0x100, | |
6945 | }; | |
6946 | ||
6947 | static const struct option options[] = { | |
6948 | { "help", no_argument, NULL, ARG_HELP }, | |
6949 | {} | |
6950 | }; | |
6951 | ||
6952 | int c; | |
6953 | ||
6954 | assert(argc >= 0); | |
6955 | assert(argv); | |
6956 | ||
6957 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
6958 | switch (c) { | |
6959 | ||
6960 | case ARG_HELP: | |
6961 | runlevel_help(); | |
6962 | return 0; | |
6963 | ||
6964 | case '?': | |
6965 | return -EINVAL; | |
6966 | ||
6967 | default: | |
6968 | assert_not_reached("Unhandled option"); | |
6969 | } | |
6970 | ||
6971 | if (optind < argc) { | |
6972 | log_error("Too many arguments."); | |
6973 | return -EINVAL; | |
6974 | } | |
6975 | ||
6976 | return 1; | |
6977 | } | |
6978 | ||
6979 | static int parse_argv(int argc, char *argv[]) { | |
6980 | assert(argc >= 0); | |
6981 | assert(argv); | |
6982 | ||
6983 | if (program_invocation_short_name) { | |
6984 | ||
6985 | if (strstr(program_invocation_short_name, "halt")) { | |
6986 | arg_action = ACTION_HALT; | |
6987 | return halt_parse_argv(argc, argv); | |
6988 | } else if (strstr(program_invocation_short_name, "poweroff")) { | |
6989 | arg_action = ACTION_POWEROFF; | |
6990 | return halt_parse_argv(argc, argv); | |
6991 | } else if (strstr(program_invocation_short_name, "reboot")) { | |
6992 | if (kexec_loaded()) | |
6993 | arg_action = ACTION_KEXEC; | |
6994 | else | |
6995 | arg_action = ACTION_REBOOT; | |
6996 | return halt_parse_argv(argc, argv); | |
6997 | } else if (strstr(program_invocation_short_name, "shutdown")) { | |
6998 | arg_action = ACTION_POWEROFF; | |
6999 | return shutdown_parse_argv(argc, argv); | |
7000 | } else if (strstr(program_invocation_short_name, "init")) { | |
7001 | ||
7002 | if (sd_booted() > 0) { | |
7003 | arg_action = _ACTION_INVALID; | |
7004 | return telinit_parse_argv(argc, argv); | |
7005 | } else { | |
7006 | /* Hmm, so some other init system is | |
7007 | * running, we need to forward this | |
7008 | * request to it. For now we simply | |
7009 | * guess that it is Upstart. */ | |
7010 | ||
7011 | execv(TELINIT, argv); | |
7012 | ||
7013 | log_error("Couldn't find an alternative telinit implementation to spawn."); | |
7014 | return -EIO; | |
7015 | } | |
7016 | ||
7017 | } else if (strstr(program_invocation_short_name, "runlevel")) { | |
7018 | arg_action = ACTION_RUNLEVEL; | |
7019 | return runlevel_parse_argv(argc, argv); | |
7020 | } | |
7021 | } | |
7022 | ||
7023 | arg_action = ACTION_SYSTEMCTL; | |
7024 | return systemctl_parse_argv(argc, argv); | |
7025 | } | |
7026 | ||
7027 | _pure_ static int action_to_runlevel(void) { | |
7028 | ||
7029 | static const char table[_ACTION_MAX] = { | |
7030 | [ACTION_HALT] = '0', | |
7031 | [ACTION_POWEROFF] = '0', | |
7032 | [ACTION_REBOOT] = '6', | |
7033 | [ACTION_RUNLEVEL2] = '2', | |
7034 | [ACTION_RUNLEVEL3] = '3', | |
7035 | [ACTION_RUNLEVEL4] = '4', | |
7036 | [ACTION_RUNLEVEL5] = '5', | |
7037 | [ACTION_RESCUE] = '1' | |
7038 | }; | |
7039 | ||
7040 | assert(arg_action < _ACTION_MAX); | |
7041 | ||
7042 | return table[arg_action]; | |
7043 | } | |
7044 | ||
7045 | static int talk_initctl(void) { | |
7046 | ||
7047 | struct init_request request = { | |
7048 | .magic = INIT_MAGIC, | |
7049 | .sleeptime = 0, | |
7050 | .cmd = INIT_CMD_RUNLVL | |
7051 | }; | |
7052 | ||
7053 | _cleanup_close_ int fd = -1; | |
7054 | char rl; | |
7055 | int r; | |
7056 | ||
7057 | rl = action_to_runlevel(); | |
7058 | if (!rl) | |
7059 | return 0; | |
7060 | ||
7061 | request.runlevel = rl; | |
7062 | ||
7063 | fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY); | |
7064 | if (fd < 0) { | |
7065 | if (errno == ENOENT) | |
7066 | return 0; | |
7067 | ||
7068 | log_error_errno(errno, "Failed to open "INIT_FIFO": %m"); | |
7069 | return -errno; | |
7070 | } | |
7071 | ||
7072 | r = loop_write(fd, &request, sizeof(request), false); | |
7073 | if (r < 0) | |
7074 | return log_error_errno(r, "Failed to write to "INIT_FIFO": %m"); | |
7075 | ||
7076 | return 1; | |
7077 | } | |
7078 | ||
7079 | static int systemctl_main(sd_bus *bus, int argc, char *argv[], int bus_error) { | |
7080 | ||
7081 | static const struct { | |
7082 | const char* verb; | |
7083 | const enum { | |
7084 | MORE, | |
7085 | LESS, | |
7086 | EQUAL | |
7087 | } argc_cmp; | |
7088 | const int argc; | |
7089 | int (* const dispatch)(sd_bus *bus, char **args); | |
7090 | const enum { | |
7091 | NOBUS = 1, | |
7092 | FORCE, | |
7093 | } bus; | |
7094 | } verbs[] = { | |
7095 | { "list-units", MORE, 0, list_units }, | |
7096 | { "list-unit-files", MORE, 1, list_unit_files, NOBUS }, | |
7097 | { "list-sockets", MORE, 1, list_sockets }, | |
7098 | { "list-timers", MORE, 1, list_timers }, | |
7099 | { "list-jobs", MORE, 1, list_jobs }, | |
7100 | { "list-machines", MORE, 1, list_machines }, | |
7101 | { "clear-jobs", EQUAL, 1, daemon_reload }, | |
7102 | { "cancel", MORE, 2, cancel_job }, | |
7103 | { "start", MORE, 2, start_unit }, | |
7104 | { "stop", MORE, 2, start_unit }, | |
7105 | { "condstop", MORE, 2, start_unit }, /* For compatibility with ALTLinux */ | |
7106 | { "reload", MORE, 2, start_unit }, | |
7107 | { "restart", MORE, 2, start_unit }, | |
7108 | { "try-restart", MORE, 2, start_unit }, | |
7109 | { "reload-or-restart", MORE, 2, start_unit }, | |
7110 | { "reload-or-try-restart", MORE, 2, start_unit }, | |
7111 | { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */ | |
7112 | { "condreload", MORE, 2, start_unit }, /* For compatibility with ALTLinux */ | |
7113 | { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */ | |
7114 | { "isolate", EQUAL, 2, start_unit }, | |
7115 | { "kill", MORE, 2, kill_unit }, | |
7116 | { "is-active", MORE, 2, check_unit_active }, | |
7117 | { "check", MORE, 2, check_unit_active }, | |
7118 | { "is-failed", MORE, 2, check_unit_failed }, | |
7119 | { "show", MORE, 1, show }, | |
7120 | { "cat", MORE, 2, cat, NOBUS }, | |
7121 | { "status", MORE, 1, show }, | |
7122 | { "help", MORE, 2, show }, | |
7123 | { "snapshot", LESS, 2, snapshot }, | |
7124 | { "delete", MORE, 2, delete_snapshot }, | |
7125 | { "daemon-reload", EQUAL, 1, daemon_reload }, | |
7126 | { "daemon-reexec", EQUAL, 1, daemon_reload }, | |
7127 | { "show-environment", EQUAL, 1, show_environment }, | |
7128 | { "set-environment", MORE, 2, set_environment }, | |
7129 | { "unset-environment", MORE, 2, set_environment }, | |
7130 | { "import-environment", MORE, 1, import_environment}, | |
7131 | { "halt", EQUAL, 1, start_special, FORCE }, | |
7132 | { "poweroff", EQUAL, 1, start_special, FORCE }, | |
7133 | { "reboot", MORE, 1, start_special, FORCE }, | |
7134 | { "kexec", EQUAL, 1, start_special }, | |
7135 | { "suspend", EQUAL, 1, start_special }, | |
7136 | { "hibernate", EQUAL, 1, start_special }, | |
7137 | { "hybrid-sleep", EQUAL, 1, start_special }, | |
7138 | { "default", EQUAL, 1, start_special }, | |
7139 | { "rescue", EQUAL, 1, start_special }, | |
7140 | { "emergency", EQUAL, 1, start_special }, | |
7141 | { "exit", EQUAL, 1, start_special }, | |
7142 | { "reset-failed", MORE, 1, reset_failed }, | |
7143 | { "enable", MORE, 2, enable_unit, NOBUS }, | |
7144 | { "disable", MORE, 2, enable_unit, NOBUS }, | |
7145 | { "is-enabled", MORE, 2, unit_is_enabled, NOBUS }, | |
7146 | { "reenable", MORE, 2, enable_unit, NOBUS }, | |
7147 | { "preset", MORE, 2, enable_unit, NOBUS }, | |
7148 | { "preset-all", EQUAL, 1, preset_all, NOBUS }, | |
7149 | { "mask", MORE, 2, enable_unit, NOBUS }, | |
7150 | { "unmask", MORE, 2, enable_unit, NOBUS }, | |
7151 | { "link", MORE, 2, enable_unit, NOBUS }, | |
7152 | { "switch-root", MORE, 2, switch_root }, | |
7153 | { "list-dependencies", LESS, 2, list_dependencies }, | |
7154 | { "set-default", EQUAL, 2, set_default, NOBUS }, | |
7155 | { "get-default", EQUAL, 1, get_default, NOBUS }, | |
7156 | { "set-property", MORE, 3, set_property }, | |
7157 | { "is-system-running", EQUAL, 1, is_system_running }, | |
7158 | { "add-wants", MORE, 3, add_dependency, NOBUS }, | |
7159 | { "add-requires", MORE, 3, add_dependency, NOBUS }, | |
7160 | { "edit", MORE, 2, edit, NOBUS }, | |
7161 | {} | |
7162 | }, *verb = verbs; | |
7163 | ||
7164 | int left; | |
7165 | ||
7166 | assert(argc >= 0); | |
7167 | assert(argv); | |
7168 | ||
7169 | left = argc - optind; | |
7170 | ||
7171 | /* Special rule: no arguments (left == 0) means "list-units" */ | |
7172 | if (left > 0) { | |
7173 | if (streq(argv[optind], "help") && !argv[optind+1]) { | |
7174 | log_error("This command expects one or more " | |
7175 | "unit names. Did you mean --help?"); | |
7176 | return -EINVAL; | |
7177 | } | |
7178 | ||
7179 | for (; verb->verb; verb++) | |
7180 | if (streq(argv[optind], verb->verb)) | |
7181 | goto found; | |
7182 | ||
7183 | log_error("Unknown operation '%s'.", argv[optind]); | |
7184 | return -EINVAL; | |
7185 | } | |
7186 | found: | |
7187 | ||
7188 | switch (verb->argc_cmp) { | |
7189 | ||
7190 | case EQUAL: | |
7191 | if (left != verb->argc) { | |
7192 | log_error("Invalid number of arguments."); | |
7193 | return -EINVAL; | |
7194 | } | |
7195 | ||
7196 | break; | |
7197 | ||
7198 | case MORE: | |
7199 | if (left < verb->argc) { | |
7200 | log_error("Too few arguments."); | |
7201 | return -EINVAL; | |
7202 | } | |
7203 | ||
7204 | break; | |
7205 | ||
7206 | case LESS: | |
7207 | if (left > verb->argc) { | |
7208 | log_error("Too many arguments."); | |
7209 | return -EINVAL; | |
7210 | } | |
7211 | ||
7212 | break; | |
7213 | ||
7214 | default: | |
7215 | assert_not_reached("Unknown comparison operator."); | |
7216 | } | |
7217 | ||
7218 | /* Require a bus connection for all operations but | |
7219 | * enable/disable */ | |
7220 | if (verb->bus == NOBUS) { | |
7221 | if (!bus && !avoid_bus()) { | |
7222 | log_error_errno(bus_error, "Failed to get D-Bus connection: %m"); | |
7223 | return -EIO; | |
7224 | } | |
7225 | ||
7226 | } else { | |
7227 | if (running_in_chroot() > 0) { | |
7228 | log_info("Running in chroot, ignoring request."); | |
7229 | return 0; | |
7230 | } | |
7231 | ||
7232 | if ((verb->bus != FORCE || arg_force <= 0) && !bus) { | |
7233 | log_error_errno(bus_error, "Failed to get D-Bus connection: %m"); | |
7234 | return -EIO; | |
7235 | } | |
7236 | } | |
7237 | ||
7238 | return verb->dispatch(bus, argv + optind); | |
7239 | } | |
7240 | ||
7241 | static int send_shutdownd(usec_t t, char mode, bool dry_run, bool warn, const char *message) { | |
7242 | ||
7243 | struct sd_shutdown_command c = { | |
7244 | .usec = t, | |
7245 | .mode = mode, | |
7246 | .dry_run = dry_run, | |
7247 | .warn_wall = warn, | |
7248 | }; | |
7249 | ||
7250 | union sockaddr_union sockaddr = { | |
7251 | .un.sun_family = AF_UNIX, | |
7252 | .un.sun_path = "/run/systemd/shutdownd", | |
7253 | }; | |
7254 | ||
7255 | struct iovec iovec[2] = {{ | |
7256 | .iov_base = (char*) &c, | |
7257 | .iov_len = offsetof(struct sd_shutdown_command, wall_message), | |
7258 | }}; | |
7259 | ||
7260 | struct msghdr msghdr = { | |
7261 | .msg_name = &sockaddr, | |
7262 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) | |
7263 | + strlen("/run/systemd/shutdownd"), | |
7264 | .msg_iov = iovec, | |
7265 | .msg_iovlen = 1, | |
7266 | }; | |
7267 | ||
7268 | _cleanup_close_ int fd; | |
7269 | ||
7270 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
7271 | if (fd < 0) | |
7272 | return -errno; | |
7273 | ||
7274 | if (!isempty(message)) { | |
7275 | iovec[1].iov_base = (char*) message; | |
7276 | iovec[1].iov_len = strlen(message); | |
7277 | msghdr.msg_iovlen++; | |
7278 | } | |
7279 | ||
7280 | if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) | |
7281 | return -errno; | |
7282 | ||
7283 | return 0; | |
7284 | } | |
7285 | ||
7286 | static int reload_with_fallback(sd_bus *bus) { | |
7287 | ||
7288 | if (bus) { | |
7289 | /* First, try systemd via D-Bus. */ | |
7290 | if (daemon_reload(bus, NULL) >= 0) | |
7291 | return 0; | |
7292 | } | |
7293 | ||
7294 | /* Nothing else worked, so let's try signals */ | |
7295 | assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC); | |
7296 | ||
7297 | if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) | |
7298 | return log_error_errno(errno, "kill() failed: %m"); | |
7299 | ||
7300 | return 0; | |
7301 | } | |
7302 | ||
7303 | static int start_with_fallback(sd_bus *bus) { | |
7304 | ||
7305 | if (bus) { | |
7306 | /* First, try systemd via D-Bus. */ | |
7307 | if (start_unit(bus, NULL) >= 0) | |
7308 | goto done; | |
7309 | } | |
7310 | ||
7311 | /* Nothing else worked, so let's try | |
7312 | * /dev/initctl */ | |
7313 | if (talk_initctl() > 0) | |
7314 | goto done; | |
7315 | ||
7316 | log_error("Failed to talk to init daemon."); | |
7317 | return -EIO; | |
7318 | ||
7319 | done: | |
7320 | warn_wall(arg_action); | |
7321 | return 0; | |
7322 | } | |
7323 | ||
7324 | static int halt_now(enum action a) { | |
7325 | ||
7326 | /* The kernel will automaticall flush ATA disks and suchlike | |
7327 | * on reboot(), but the file systems need to be synce'd | |
7328 | * explicitly in advance. */ | |
7329 | sync(); | |
7330 | ||
7331 | /* Make sure C-A-D is handled by the kernel from this point | |
7332 | * on... */ | |
7333 | reboot(RB_ENABLE_CAD); | |
7334 | ||
7335 | switch (a) { | |
7336 | ||
7337 | case ACTION_HALT: | |
7338 | log_info("Halting."); | |
7339 | reboot(RB_HALT_SYSTEM); | |
7340 | return -errno; | |
7341 | ||
7342 | case ACTION_POWEROFF: | |
7343 | log_info("Powering off."); | |
7344 | reboot(RB_POWER_OFF); | |
7345 | return -errno; | |
7346 | ||
7347 | case ACTION_REBOOT: { | |
7348 | _cleanup_free_ char *param = NULL; | |
7349 | ||
7350 | if (read_one_line_file(REBOOT_PARAM_FILE, ¶m) >= 0) { | |
7351 | log_info("Rebooting with argument '%s'.", param); | |
7352 | syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, | |
7353 | LINUX_REBOOT_CMD_RESTART2, param); | |
7354 | } | |
7355 | ||
7356 | log_info("Rebooting."); | |
7357 | reboot(RB_AUTOBOOT); | |
7358 | return -errno; | |
7359 | } | |
7360 | ||
7361 | default: | |
7362 | assert_not_reached("Unknown action."); | |
7363 | } | |
7364 | } | |
7365 | ||
7366 | static int halt_main(sd_bus *bus) { | |
7367 | int r; | |
7368 | ||
7369 | r = check_inhibitors(bus, arg_action); | |
7370 | if (r < 0) | |
7371 | return r; | |
7372 | ||
7373 | if (geteuid() != 0) { | |
7374 | /* Try logind if we are a normal user and no special | |
7375 | * mode applies. Maybe PolicyKit allows us to shutdown | |
7376 | * the machine. */ | |
7377 | ||
7378 | if (arg_when <= 0 && | |
7379 | !arg_dry && | |
7380 | arg_force <= 0 && | |
7381 | (arg_action == ACTION_POWEROFF || | |
7382 | arg_action == ACTION_REBOOT)) { | |
7383 | r = reboot_with_logind(bus, arg_action); | |
7384 | if (r >= 0) | |
7385 | return r; | |
7386 | } | |
7387 | ||
7388 | log_error("Must be root."); | |
7389 | return -EPERM; | |
7390 | } | |
7391 | ||
7392 | if (arg_when > 0) { | |
7393 | _cleanup_free_ char *m; | |
7394 | ||
7395 | m = strv_join(arg_wall, " "); | |
7396 | if (!m) | |
7397 | return log_oom(); | |
7398 | ||
7399 | r = send_shutdownd(arg_when, | |
7400 | arg_action == ACTION_HALT ? 'H' : | |
7401 | arg_action == ACTION_POWEROFF ? 'P' : | |
7402 | arg_action == ACTION_KEXEC ? 'K' : | |
7403 | 'r', | |
7404 | arg_dry, | |
7405 | !arg_no_wall, | |
7406 | m); | |
7407 | ||
7408 | if (r < 0) | |
7409 | log_warning_errno(r, "Failed to talk to shutdownd, proceeding with immediate shutdown: %m"); | |
7410 | else { | |
7411 | char date[FORMAT_TIMESTAMP_MAX]; | |
7412 | ||
7413 | log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", | |
7414 | format_timestamp(date, sizeof(date), arg_when)); | |
7415 | return 0; | |
7416 | } | |
7417 | } | |
7418 | ||
7419 | if (!arg_dry && !arg_force) | |
7420 | return start_with_fallback(bus); | |
7421 | ||
7422 | if (!arg_no_wtmp) { | |
7423 | if (sd_booted() > 0) | |
7424 | log_debug("Not writing utmp record, assuming that systemd-update-utmp is used."); | |
7425 | else { | |
7426 | r = utmp_put_shutdown(); | |
7427 | if (r < 0) | |
7428 | log_warning_errno(r, "Failed to write utmp record: %m"); | |
7429 | } | |
7430 | } | |
7431 | ||
7432 | if (arg_dry) | |
7433 | return 0; | |
7434 | ||
7435 | r = halt_now(arg_action); | |
7436 | log_error_errno(r, "Failed to reboot: %m"); | |
7437 | ||
7438 | return r; | |
7439 | } | |
7440 | ||
7441 | static int runlevel_main(void) { | |
7442 | int r, runlevel, previous; | |
7443 | ||
7444 | r = utmp_get_runlevel(&runlevel, &previous); | |
7445 | if (r < 0) { | |
7446 | puts("unknown"); | |
7447 | return r; | |
7448 | } | |
7449 | ||
7450 | printf("%c %c\n", | |
7451 | previous <= 0 ? 'N' : previous, | |
7452 | runlevel <= 0 ? 'N' : runlevel); | |
7453 | ||
7454 | return 0; | |
7455 | } | |
7456 | ||
7457 | int main(int argc, char*argv[]) { | |
7458 | _cleanup_bus_close_unref_ sd_bus *bus = NULL; | |
7459 | int r; | |
7460 | ||
7461 | setlocale(LC_ALL, ""); | |
7462 | log_parse_environment(); | |
7463 | log_open(); | |
7464 | ||
7465 | /* Explicitly not on_tty() to avoid setting cached value. | |
7466 | * This becomes relevant for piping output which might be | |
7467 | * ellipsized. */ | |
7468 | original_stdout_is_tty = isatty(STDOUT_FILENO); | |
7469 | ||
7470 | r = parse_argv(argc, argv); | |
7471 | if (r <= 0) | |
7472 | goto finish; | |
7473 | ||
7474 | /* /sbin/runlevel doesn't need to communicate via D-Bus, so | |
7475 | * let's shortcut this */ | |
7476 | if (arg_action == ACTION_RUNLEVEL) { | |
7477 | r = runlevel_main(); | |
7478 | goto finish; | |
7479 | } | |
7480 | ||
7481 | if (running_in_chroot() > 0 && arg_action != ACTION_SYSTEMCTL) { | |
7482 | log_info("Running in chroot, ignoring request."); | |
7483 | r = 0; | |
7484 | goto finish; | |
7485 | } | |
7486 | ||
7487 | /* Increase max number of open files to 16K if we can, we | |
7488 | * might needs this when browsing journal files, which might | |
7489 | * be split up into many files. */ | |
7490 | setrlimit_closest(RLIMIT_NOFILE, &RLIMIT_MAKE_CONST(16384)); | |
7491 | ||
7492 | if (!avoid_bus()) | |
7493 | r = bus_open_transport_systemd(arg_transport, arg_host, arg_scope != UNIT_FILE_SYSTEM, &bus); | |
7494 | ||
7495 | /* systemctl_main() will print an error message for the bus | |
7496 | * connection, but only if it needs to */ | |
7497 | ||
7498 | switch (arg_action) { | |
7499 | ||
7500 | case ACTION_SYSTEMCTL: | |
7501 | r = systemctl_main(bus, argc, argv, r); | |
7502 | break; | |
7503 | ||
7504 | case ACTION_HALT: | |
7505 | case ACTION_POWEROFF: | |
7506 | case ACTION_REBOOT: | |
7507 | case ACTION_KEXEC: | |
7508 | r = halt_main(bus); | |
7509 | break; | |
7510 | ||
7511 | case ACTION_RUNLEVEL2: | |
7512 | case ACTION_RUNLEVEL3: | |
7513 | case ACTION_RUNLEVEL4: | |
7514 | case ACTION_RUNLEVEL5: | |
7515 | case ACTION_RESCUE: | |
7516 | case ACTION_EMERGENCY: | |
7517 | case ACTION_DEFAULT: | |
7518 | r = start_with_fallback(bus); | |
7519 | break; | |
7520 | ||
7521 | case ACTION_RELOAD: | |
7522 | case ACTION_REEXEC: | |
7523 | r = reload_with_fallback(bus); | |
7524 | break; | |
7525 | ||
7526 | case ACTION_CANCEL_SHUTDOWN: { | |
7527 | _cleanup_free_ char *m = NULL; | |
7528 | ||
7529 | if (arg_wall) { | |
7530 | m = strv_join(arg_wall, " "); | |
7531 | if (!m) { | |
7532 | r = log_oom(); | |
7533 | goto finish; | |
7534 | } | |
7535 | } | |
7536 | ||
7537 | r = send_shutdownd(arg_when, SD_SHUTDOWN_NONE, false, !arg_no_wall, m); | |
7538 | if (r < 0) | |
7539 | log_warning_errno(r, "Failed to talk to shutdownd, shutdown hasn't been cancelled: %m"); | |
7540 | break; | |
7541 | } | |
7542 | ||
7543 | case ACTION_RUNLEVEL: | |
7544 | case _ACTION_INVALID: | |
7545 | default: | |
7546 | assert_not_reached("Unknown action"); | |
7547 | } | |
7548 | ||
7549 | finish: | |
7550 | pager_close(); | |
7551 | ask_password_agent_close(); | |
7552 | polkit_agent_close(); | |
7553 | ||
7554 | strv_free(arg_types); | |
7555 | strv_free(arg_states); | |
7556 | strv_free(arg_properties); | |
7557 | ||
7558 | return r < 0 ? EXIT_FAILURE : r; | |
7559 | } |