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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | ||
3 | #include <errno.h> | |
4 | #include <fcntl.h> | |
5 | #include <getopt.h> | |
6 | #include <locale.h> | |
7 | #include <stdbool.h> | |
8 | #include <stddef.h> | |
9 | #include <stdio.h> | |
10 | #include <string.h> | |
11 | #include <sys/mount.h> | |
12 | #include <sys/prctl.h> | |
13 | #include <sys/reboot.h> | |
14 | #include <sys/socket.h> | |
15 | #include <unistd.h> | |
16 | ||
17 | #include "sd-bus.h" | |
18 | #include "sd-daemon.h" | |
19 | #include "sd-event.h" | |
20 | #include "sd-login.h" | |
21 | ||
22 | #include "alloc-util.h" | |
23 | #include "bootspec.h" | |
24 | #include "bus-common-errors.h" | |
25 | #include "bus-error.h" | |
26 | #include "bus-message.h" | |
27 | #include "bus-unit-procs.h" | |
28 | #include "bus-unit-util.h" | |
29 | #include "bus-util.h" | |
30 | #include "bus-wait-for-jobs.h" | |
31 | #include "cgroup-show.h" | |
32 | #include "cgroup-util.h" | |
33 | #include "copy.h" | |
34 | #include "dropin.h" | |
35 | #include "efivars.h" | |
36 | #include "env-util.h" | |
37 | #include "escape.h" | |
38 | #include "exit-status.h" | |
39 | #include "fd-util.h" | |
40 | #include "format-util.h" | |
41 | #include "fs-util.h" | |
42 | #include "glob-util.h" | |
43 | #include "hexdecoct.h" | |
44 | #include "hostname-util.h" | |
45 | #include "in-addr-util.h" | |
46 | #include "initreq.h" | |
47 | #include "install.h" | |
48 | #include "io-util.h" | |
49 | #include "journal-util.h" | |
50 | #include "list.h" | |
51 | #include "locale-util.h" | |
52 | #include "log.h" | |
53 | #include "logs-show.h" | |
54 | #include "macro.h" | |
55 | #include "main-func.h" | |
56 | #include "memory-util.h" | |
57 | #include "mkdir.h" | |
58 | #include "pager.h" | |
59 | #include "parse-util.h" | |
60 | #include "path-lookup.h" | |
61 | #include "path-util.h" | |
62 | #include "pretty-print.h" | |
63 | #include "proc-cmdline.h" | |
64 | #include "process-util.h" | |
65 | #include "reboot-util.h" | |
66 | #include "rlimit-util.h" | |
67 | #include "set.h" | |
68 | #include "sigbus.h" | |
69 | #include "signal-util.h" | |
70 | #include "socket-util.h" | |
71 | #include "sort-util.h" | |
72 | #include "spawn-ask-password-agent.h" | |
73 | #include "spawn-polkit-agent.h" | |
74 | #include "special.h" | |
75 | #include "stat-util.h" | |
76 | #include "string-table.h" | |
77 | #include "strv.h" | |
78 | #include "sysv-compat.h" | |
79 | #include "terminal-util.h" | |
80 | #include "tmpfile-util.h" | |
81 | #include "unit-def.h" | |
82 | #include "unit-name.h" | |
83 | #include "user-util.h" | |
84 | #include "utf8.h" | |
85 | #include "utmp-wtmp.h" | |
86 | #include "verbs.h" | |
87 | #include "virt.h" | |
88 | ||
89 | static char **arg_types = NULL; | |
90 | static char **arg_states = NULL; | |
91 | static char **arg_properties = NULL; | |
92 | static bool arg_all = false; | |
93 | static enum dependency { | |
94 | DEPENDENCY_FORWARD, | |
95 | DEPENDENCY_REVERSE, | |
96 | DEPENDENCY_AFTER, | |
97 | DEPENDENCY_BEFORE, | |
98 | _DEPENDENCY_MAX | |
99 | } arg_dependency = DEPENDENCY_FORWARD; | |
100 | static const char *arg_job_mode = "replace"; | |
101 | static UnitFileScope arg_scope = UNIT_FILE_SYSTEM; | |
102 | static bool arg_wait = false; | |
103 | static bool arg_no_block = false; | |
104 | static bool arg_no_legend = false; | |
105 | static PagerFlags arg_pager_flags = 0; | |
106 | static bool arg_no_wtmp = false; | |
107 | static bool arg_no_sync = false; | |
108 | static bool arg_no_wall = false; | |
109 | static bool arg_no_reload = false; | |
110 | static bool arg_value = false; | |
111 | static bool arg_show_types = false; | |
112 | static bool arg_ignore_inhibitors = false; | |
113 | static bool arg_dry_run = false; | |
114 | static bool arg_quiet = false; | |
115 | static bool arg_full = false; | |
116 | static bool arg_recursive = false; | |
117 | static bool arg_show_transaction = false; | |
118 | static int arg_force = 0; | |
119 | static bool arg_ask_password = false; | |
120 | static bool arg_runtime = false; | |
121 | static UnitFilePresetMode arg_preset_mode = UNIT_FILE_PRESET_FULL; | |
122 | static char **arg_wall = NULL; | |
123 | static const char *arg_kill_who = NULL; | |
124 | static int arg_signal = SIGTERM; | |
125 | static char *arg_root = NULL; | |
126 | static usec_t arg_when = 0; | |
127 | static enum action { | |
128 | ACTION_SYSTEMCTL, | |
129 | ACTION_HALT, | |
130 | ACTION_POWEROFF, | |
131 | ACTION_REBOOT, | |
132 | ACTION_KEXEC, | |
133 | ACTION_EXIT, | |
134 | ACTION_SUSPEND, | |
135 | ACTION_HIBERNATE, | |
136 | ACTION_HYBRID_SLEEP, | |
137 | ACTION_SUSPEND_THEN_HIBERNATE, | |
138 | ACTION_RUNLEVEL2, | |
139 | ACTION_RUNLEVEL3, | |
140 | ACTION_RUNLEVEL4, | |
141 | ACTION_RUNLEVEL5, | |
142 | ACTION_RESCUE, | |
143 | ACTION_EMERGENCY, | |
144 | ACTION_DEFAULT, | |
145 | ACTION_RELOAD, | |
146 | ACTION_REEXEC, | |
147 | ACTION_RUNLEVEL, | |
148 | ACTION_CANCEL_SHUTDOWN, | |
149 | _ACTION_MAX, | |
150 | _ACTION_INVALID = -1 | |
151 | } arg_action = ACTION_SYSTEMCTL; | |
152 | static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; | |
153 | static const char *arg_host = NULL; | |
154 | static unsigned arg_lines = 10; | |
155 | static OutputMode arg_output = OUTPUT_SHORT; | |
156 | static bool arg_plain = false; | |
157 | static bool arg_firmware_setup = false; | |
158 | static usec_t arg_boot_loader_menu = USEC_INFINITY; | |
159 | static const char *arg_boot_loader_entry = NULL; | |
160 | static bool arg_now = false; | |
161 | static bool arg_jobs_before = false; | |
162 | static bool arg_jobs_after = false; | |
163 | ||
164 | STATIC_DESTRUCTOR_REGISTER(arg_wall, strv_freep); | |
165 | STATIC_DESTRUCTOR_REGISTER(arg_root, freep); | |
166 | STATIC_DESTRUCTOR_REGISTER(arg_types, strv_freep); | |
167 | STATIC_DESTRUCTOR_REGISTER(arg_states, strv_freep); | |
168 | STATIC_DESTRUCTOR_REGISTER(arg_properties, strv_freep); | |
169 | ||
170 | static int daemon_reload(int argc, char *argv[], void* userdata); | |
171 | static int trivial_method(int argc, char *argv[], void *userdata); | |
172 | static int halt_now(enum action a); | |
173 | static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state); | |
174 | ||
175 | static bool original_stdout_is_tty; | |
176 | ||
177 | typedef enum BusFocus { | |
178 | BUS_FULL, /* The full bus indicated via --system or --user */ | |
179 | BUS_MANAGER, /* The manager itself, possibly directly, possibly via the bus */ | |
180 | _BUS_FOCUS_MAX | |
181 | } BusFocus; | |
182 | ||
183 | static sd_bus *busses[_BUS_FOCUS_MAX] = {}; | |
184 | ||
185 | static UnitFileFlags args_to_flags(void) { | |
186 | return (arg_runtime ? UNIT_FILE_RUNTIME : 0) | | |
187 | (arg_force ? UNIT_FILE_FORCE : 0); | |
188 | } | |
189 | ||
190 | static int acquire_bus(BusFocus focus, sd_bus **ret) { | |
191 | int r; | |
192 | ||
193 | assert(focus < _BUS_FOCUS_MAX); | |
194 | assert(ret); | |
195 | ||
196 | /* We only go directly to the manager, if we are using a local transport */ | |
197 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
198 | focus = BUS_FULL; | |
199 | ||
200 | if (getenv_bool("SYSTEMCTL_FORCE_BUS") > 0) | |
201 | focus = BUS_FULL; | |
202 | ||
203 | if (!busses[focus]) { | |
204 | bool user; | |
205 | ||
206 | user = arg_scope != UNIT_FILE_SYSTEM; | |
207 | ||
208 | if (focus == BUS_MANAGER) | |
209 | r = bus_connect_transport_systemd(arg_transport, arg_host, user, &busses[focus]); | |
210 | else | |
211 | r = bus_connect_transport(arg_transport, arg_host, user, &busses[focus]); | |
212 | if (r < 0) | |
213 | return log_error_errno(r, "Failed to connect to bus: %m"); | |
214 | ||
215 | (void) sd_bus_set_allow_interactive_authorization(busses[focus], arg_ask_password); | |
216 | } | |
217 | ||
218 | *ret = busses[focus]; | |
219 | return 0; | |
220 | } | |
221 | ||
222 | static void release_busses(void) { | |
223 | BusFocus w; | |
224 | ||
225 | for (w = 0; w < _BUS_FOCUS_MAX; w++) | |
226 | busses[w] = sd_bus_flush_close_unref(busses[w]); | |
227 | } | |
228 | ||
229 | static void ask_password_agent_open_if_enabled(void) { | |
230 | /* Open the password agent as a child process if necessary */ | |
231 | ||
232 | if (arg_dry_run) | |
233 | return; | |
234 | ||
235 | if (!arg_ask_password) | |
236 | return; | |
237 | ||
238 | if (arg_scope != UNIT_FILE_SYSTEM) | |
239 | return; | |
240 | ||
241 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
242 | return; | |
243 | ||
244 | ask_password_agent_open(); | |
245 | } | |
246 | ||
247 | static void polkit_agent_open_maybe(void) { | |
248 | /* Open the polkit agent as a child process if necessary */ | |
249 | ||
250 | if (arg_scope != UNIT_FILE_SYSTEM) | |
251 | return; | |
252 | ||
253 | polkit_agent_open_if_enabled(arg_transport, arg_ask_password); | |
254 | } | |
255 | ||
256 | static OutputFlags get_output_flags(void) { | |
257 | return | |
258 | arg_all * OUTPUT_SHOW_ALL | | |
259 | (arg_full || !on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | | |
260 | colors_enabled() * OUTPUT_COLOR | | |
261 | !arg_quiet * OUTPUT_WARN_CUTOFF; | |
262 | } | |
263 | ||
264 | static int translate_bus_error_to_exit_status(int r, const sd_bus_error *error) { | |
265 | assert(error); | |
266 | ||
267 | if (!sd_bus_error_is_set(error)) | |
268 | return r; | |
269 | ||
270 | if (sd_bus_error_has_name(error, SD_BUS_ERROR_ACCESS_DENIED) || | |
271 | sd_bus_error_has_name(error, BUS_ERROR_ONLY_BY_DEPENDENCY) || | |
272 | sd_bus_error_has_name(error, BUS_ERROR_NO_ISOLATION) || | |
273 | sd_bus_error_has_name(error, BUS_ERROR_TRANSACTION_IS_DESTRUCTIVE)) | |
274 | return EXIT_NOPERMISSION; | |
275 | ||
276 | if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT)) | |
277 | return EXIT_NOTINSTALLED; | |
278 | ||
279 | if (sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE) || | |
280 | sd_bus_error_has_name(error, SD_BUS_ERROR_NOT_SUPPORTED)) | |
281 | return EXIT_NOTIMPLEMENTED; | |
282 | ||
283 | if (sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) | |
284 | return EXIT_NOTCONFIGURED; | |
285 | ||
286 | if (r != 0) | |
287 | return r; | |
288 | ||
289 | return EXIT_FAILURE; | |
290 | } | |
291 | ||
292 | static bool install_client_side(void) { | |
293 | /* Decides when to execute enable/disable/... operations | |
294 | * client-side rather than server-side. */ | |
295 | ||
296 | if (running_in_chroot_or_offline()) | |
297 | return true; | |
298 | ||
299 | if (sd_booted() <= 0) | |
300 | return true; | |
301 | ||
302 | if (!isempty(arg_root)) | |
303 | return true; | |
304 | ||
305 | if (arg_scope == UNIT_FILE_GLOBAL) | |
306 | return true; | |
307 | ||
308 | /* Unsupported environment variable, mostly for debugging purposes */ | |
309 | if (getenv_bool("SYSTEMCTL_INSTALL_CLIENT_SIDE") > 0) | |
310 | return true; | |
311 | ||
312 | return false; | |
313 | } | |
314 | ||
315 | static int compare_unit_info(const UnitInfo *a, const UnitInfo *b) { | |
316 | const char *d1, *d2; | |
317 | int r; | |
318 | ||
319 | /* First, order by machine */ | |
320 | if (!a->machine && b->machine) | |
321 | return -1; | |
322 | if (a->machine && !b->machine) | |
323 | return 1; | |
324 | if (a->machine && b->machine) { | |
325 | r = strcasecmp(a->machine, b->machine); | |
326 | if (r != 0) | |
327 | return r; | |
328 | } | |
329 | ||
330 | /* Second, order by unit type */ | |
331 | d1 = strrchr(a->id, '.'); | |
332 | d2 = strrchr(b->id, '.'); | |
333 | if (d1 && d2) { | |
334 | r = strcasecmp(d1, d2); | |
335 | if (r != 0) | |
336 | return r; | |
337 | } | |
338 | ||
339 | /* Third, order by name */ | |
340 | return strcasecmp(a->id, b->id); | |
341 | } | |
342 | ||
343 | static const char* unit_type_suffix(const char *name) { | |
344 | const char *dot; | |
345 | ||
346 | dot = strrchr(name, '.'); | |
347 | if (!dot) | |
348 | return ""; | |
349 | ||
350 | return dot + 1; | |
351 | } | |
352 | ||
353 | static bool output_show_unit(const UnitInfo *u, char **patterns) { | |
354 | assert(u); | |
355 | ||
356 | if (!strv_fnmatch_or_empty(patterns, u->id, FNM_NOESCAPE)) | |
357 | return false; | |
358 | ||
359 | if (arg_types && !strv_find(arg_types, unit_type_suffix(u->id))) | |
360 | return false; | |
361 | ||
362 | if (arg_all) | |
363 | return true; | |
364 | ||
365 | /* Note that '--all' is not purely a state filter, but also a | |
366 | * filter that hides units that "follow" other units (which is | |
367 | * used for device units that appear under different names). */ | |
368 | if (!isempty(u->following)) | |
369 | return false; | |
370 | ||
371 | if (!strv_isempty(arg_states)) | |
372 | return true; | |
373 | ||
374 | /* By default show all units except the ones in inactive | |
375 | * state and with no pending job */ | |
376 | if (u->job_id > 0) | |
377 | return true; | |
378 | ||
379 | if (streq(u->active_state, "inactive")) | |
380 | return false; | |
381 | ||
382 | return true; | |
383 | } | |
384 | ||
385 | static int output_units_list(const UnitInfo *unit_infos, unsigned c) { | |
386 | unsigned circle_len = 0, id_len, max_id_len, load_len, active_len, sub_len, job_len, desc_len, max_desc_len; | |
387 | const UnitInfo *u; | |
388 | unsigned n_shown = 0; | |
389 | int job_count = 0; | |
390 | bool full = arg_full || FLAGS_SET(arg_pager_flags, PAGER_DISABLE); | |
391 | ||
392 | max_id_len = STRLEN("UNIT"); | |
393 | load_len = STRLEN("LOAD"); | |
394 | active_len = STRLEN("ACTIVE"); | |
395 | sub_len = STRLEN("SUB"); | |
396 | job_len = STRLEN("JOB"); | |
397 | max_desc_len = STRLEN("DESCRIPTION"); | |
398 | ||
399 | for (u = unit_infos; u < unit_infos + c; u++) { | |
400 | max_id_len = MAX(max_id_len, strlen(u->id) + (u->machine ? strlen(u->machine)+1 : 0)); | |
401 | load_len = MAX(load_len, strlen(u->load_state)); | |
402 | active_len = MAX(active_len, strlen(u->active_state)); | |
403 | sub_len = MAX(sub_len, strlen(u->sub_state)); | |
404 | max_desc_len = MAX(max_desc_len, strlen(u->description)); | |
405 | ||
406 | if (u->job_id != 0) { | |
407 | job_len = MAX(job_len, strlen(u->job_type)); | |
408 | job_count++; | |
409 | } | |
410 | ||
411 | if (!arg_no_legend && | |
412 | (streq(u->active_state, "failed") || | |
413 | STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked"))) | |
414 | circle_len = 2; | |
415 | } | |
416 | ||
417 | if (!arg_full && original_stdout_is_tty) { | |
418 | unsigned basic_len; | |
419 | ||
420 | id_len = MIN(max_id_len, 25u); /* as much as it needs, but at most 25 for now */ | |
421 | basic_len = circle_len + 1 + id_len + 1 + load_len + 1 + active_len + 1 + sub_len + 1; | |
422 | ||
423 | if (job_count) | |
424 | basic_len += job_len + 1; | |
425 | ||
426 | if (basic_len < (unsigned) columns()) { | |
427 | unsigned extra_len, incr; | |
428 | extra_len = columns() - basic_len; | |
429 | ||
430 | /* Either UNIT already got 25, or is fully satisfied. | |
431 | * Grant up to 25 to DESC now. */ | |
432 | incr = MIN(extra_len, 25u); | |
433 | desc_len = incr; | |
434 | extra_len -= incr; | |
435 | ||
436 | /* Of the remainder give as much as the ID needs to the ID, and give the rest to the | |
437 | * description but not more than it needs. */ | |
438 | if (extra_len > 0) { | |
439 | incr = MIN(max_id_len - id_len, extra_len); | |
440 | id_len += incr; | |
441 | desc_len += MIN(extra_len - incr, max_desc_len - desc_len); | |
442 | } | |
443 | } else | |
444 | desc_len = 0; | |
445 | } else { | |
446 | id_len = max_id_len; | |
447 | desc_len = max_desc_len; | |
448 | } | |
449 | ||
450 | for (u = unit_infos; u < unit_infos + c; u++) { | |
451 | _cleanup_free_ char *e = NULL, *j = NULL; | |
452 | const char *on_underline = "", *off_underline = ""; | |
453 | const char *on_loaded = "", *off_loaded = ""; | |
454 | const char *on_active = "", *off_active = ""; | |
455 | const char *on_circle = "", *off_circle = ""; | |
456 | const char *id; | |
457 | bool circle = false, underline = false; | |
458 | ||
459 | if (!n_shown && !arg_no_legend) { | |
460 | ||
461 | if (circle_len > 0) | |
462 | fputs(" ", stdout); | |
463 | ||
464 | printf("%s%-*s %-*s %-*s %-*s ", | |
465 | ansi_underline(), | |
466 | id_len, "UNIT", | |
467 | load_len, "LOAD", | |
468 | active_len, "ACTIVE", | |
469 | sub_len, "SUB"); | |
470 | ||
471 | if (job_count) | |
472 | printf("%-*s ", job_len, "JOB"); | |
473 | ||
474 | printf("%-*.*s%s\n", | |
475 | desc_len, | |
476 | full ? -1 : (int) desc_len, | |
477 | "DESCRIPTION", | |
478 | ansi_normal()); | |
479 | } | |
480 | ||
481 | n_shown++; | |
482 | ||
483 | if (u + 1 < unit_infos + c && | |
484 | !streq(unit_type_suffix(u->id), unit_type_suffix((u + 1)->id))) { | |
485 | on_underline = ansi_underline(); | |
486 | off_underline = ansi_normal(); | |
487 | underline = true; | |
488 | } | |
489 | ||
490 | if (STR_IN_SET(u->load_state, "error", "not-found", "bad-setting", "masked") && !arg_plain) { | |
491 | on_circle = ansi_highlight_yellow(); | |
492 | off_circle = ansi_normal(); | |
493 | circle = true; | |
494 | on_loaded = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
495 | off_loaded = underline ? on_underline : ansi_normal(); | |
496 | } else if (streq(u->active_state, "failed") && !arg_plain) { | |
497 | on_circle = ansi_highlight_red(); | |
498 | off_circle = ansi_normal(); | |
499 | circle = true; | |
500 | on_active = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
501 | off_active = underline ? on_underline : ansi_normal(); | |
502 | } | |
503 | ||
504 | if (u->machine) { | |
505 | j = strjoin(u->machine, ":", u->id); | |
506 | if (!j) | |
507 | return log_oom(); | |
508 | ||
509 | id = j; | |
510 | } else | |
511 | id = u->id; | |
512 | ||
513 | if (arg_full) { | |
514 | e = ellipsize(id, id_len, 33); | |
515 | if (!e) | |
516 | return log_oom(); | |
517 | ||
518 | id = e; | |
519 | } | |
520 | ||
521 | if (circle_len > 0) | |
522 | printf("%s%s%s ", on_circle, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_circle); | |
523 | ||
524 | printf("%s%s%-*s%s %s%-*s%s %s%-*s %-*s%s %-*s", | |
525 | on_underline, | |
526 | on_active, id_len, id, off_active, | |
527 | on_loaded, load_len, u->load_state, off_loaded, | |
528 | on_active, active_len, u->active_state, | |
529 | sub_len, u->sub_state, off_active, | |
530 | job_count ? job_len + 1 : 0, u->job_id ? u->job_type : ""); | |
531 | ||
532 | printf("%-*.*s%s\n", | |
533 | desc_len, | |
534 | full ? -1 : (int) desc_len, | |
535 | u->description, | |
536 | off_underline); | |
537 | } | |
538 | ||
539 | if (!arg_no_legend) { | |
540 | const char *on, *off; | |
541 | ||
542 | if (n_shown) { | |
543 | puts("\n" | |
544 | "LOAD = Reflects whether the unit definition was properly loaded.\n" | |
545 | "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n" | |
546 | "SUB = The low-level unit activation state, values depend on unit type."); | |
547 | puts(job_count ? "JOB = Pending job for the unit.\n" : ""); | |
548 | on = ansi_highlight(); | |
549 | off = ansi_normal(); | |
550 | } else { | |
551 | on = ansi_highlight_red(); | |
552 | off = ansi_normal(); | |
553 | } | |
554 | ||
555 | if (arg_all) | |
556 | printf("%s%u loaded units listed.%s\n" | |
557 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
558 | on, n_shown, off); | |
559 | else | |
560 | printf("%s%u loaded units listed.%s Pass --all to see loaded but inactive units, too.\n" | |
561 | "To show all installed unit files use 'systemctl list-unit-files'.\n", | |
562 | on, n_shown, off); | |
563 | } | |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
568 | static int get_unit_list( | |
569 | sd_bus *bus, | |
570 | const char *machine, | |
571 | char **patterns, | |
572 | UnitInfo **unit_infos, | |
573 | int c, | |
574 | sd_bus_message **_reply) { | |
575 | ||
576 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
577 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
578 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
579 | size_t size = c; | |
580 | int r; | |
581 | UnitInfo u; | |
582 | bool fallback = false; | |
583 | ||
584 | assert(bus); | |
585 | assert(unit_infos); | |
586 | assert(_reply); | |
587 | ||
588 | r = sd_bus_message_new_method_call( | |
589 | bus, | |
590 | &m, | |
591 | "org.freedesktop.systemd1", | |
592 | "/org/freedesktop/systemd1", | |
593 | "org.freedesktop.systemd1.Manager", | |
594 | "ListUnitsByPatterns"); | |
595 | if (r < 0) | |
596 | return bus_log_create_error(r); | |
597 | ||
598 | r = sd_bus_message_append_strv(m, arg_states); | |
599 | if (r < 0) | |
600 | return bus_log_create_error(r); | |
601 | ||
602 | r = sd_bus_message_append_strv(m, patterns); | |
603 | if (r < 0) | |
604 | return bus_log_create_error(r); | |
605 | ||
606 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
607 | if (r < 0 && (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD) || | |
608 | sd_bus_error_has_name(&error, SD_BUS_ERROR_ACCESS_DENIED))) { | |
609 | /* Fallback to legacy ListUnitsFiltered method */ | |
610 | fallback = true; | |
611 | log_debug_errno(r, "Failed to list units: %s Falling back to ListUnitsFiltered method.", bus_error_message(&error, r)); | |
612 | m = sd_bus_message_unref(m); | |
613 | sd_bus_error_free(&error); | |
614 | ||
615 | r = sd_bus_message_new_method_call( | |
616 | bus, | |
617 | &m, | |
618 | "org.freedesktop.systemd1", | |
619 | "/org/freedesktop/systemd1", | |
620 | "org.freedesktop.systemd1.Manager", | |
621 | "ListUnitsFiltered"); | |
622 | if (r < 0) | |
623 | return bus_log_create_error(r); | |
624 | ||
625 | r = sd_bus_message_append_strv(m, arg_states); | |
626 | if (r < 0) | |
627 | return bus_log_create_error(r); | |
628 | ||
629 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
630 | } | |
631 | if (r < 0) | |
632 | return log_error_errno(r, "Failed to list units: %s", bus_error_message(&error, r)); | |
633 | ||
634 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssssouso)"); | |
635 | if (r < 0) | |
636 | return bus_log_parse_error(r); | |
637 | ||
638 | while ((r = bus_parse_unit_info(reply, &u)) > 0) { | |
639 | u.machine = machine; | |
640 | ||
641 | if (!output_show_unit(&u, fallback ? patterns : NULL)) | |
642 | continue; | |
643 | ||
644 | if (!GREEDY_REALLOC(*unit_infos, size, c+1)) | |
645 | return log_oom(); | |
646 | ||
647 | (*unit_infos)[c++] = u; | |
648 | } | |
649 | if (r < 0) | |
650 | return bus_log_parse_error(r); | |
651 | ||
652 | r = sd_bus_message_exit_container(reply); | |
653 | if (r < 0) | |
654 | return bus_log_parse_error(r); | |
655 | ||
656 | *_reply = TAKE_PTR(reply); | |
657 | ||
658 | return c; | |
659 | } | |
660 | ||
661 | static void message_set_freep(Set **set) { | |
662 | set_free_with_destructor(*set, sd_bus_message_unref); | |
663 | } | |
664 | ||
665 | static int get_unit_list_recursive( | |
666 | sd_bus *bus, | |
667 | char **patterns, | |
668 | UnitInfo **_unit_infos, | |
669 | Set **_replies, | |
670 | char ***_machines) { | |
671 | ||
672 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
673 | _cleanup_(message_set_freep) Set *replies; | |
674 | sd_bus_message *reply; | |
675 | int c, r; | |
676 | ||
677 | assert(bus); | |
678 | assert(_replies); | |
679 | assert(_unit_infos); | |
680 | assert(_machines); | |
681 | ||
682 | replies = set_new(NULL); | |
683 | if (!replies) | |
684 | return log_oom(); | |
685 | ||
686 | c = get_unit_list(bus, NULL, patterns, &unit_infos, 0, &reply); | |
687 | if (c < 0) | |
688 | return c; | |
689 | ||
690 | r = set_put(replies, reply); | |
691 | if (r < 0) { | |
692 | sd_bus_message_unref(reply); | |
693 | return log_oom(); | |
694 | } | |
695 | ||
696 | if (arg_recursive) { | |
697 | _cleanup_strv_free_ char **machines = NULL; | |
698 | char **i; | |
699 | ||
700 | r = sd_get_machine_names(&machines); | |
701 | if (r < 0) | |
702 | return log_error_errno(r, "Failed to get machine names: %m"); | |
703 | ||
704 | STRV_FOREACH(i, machines) { | |
705 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL; | |
706 | int k; | |
707 | ||
708 | r = sd_bus_open_system_machine(&container, *i); | |
709 | if (r < 0) { | |
710 | log_warning_errno(r, "Failed to connect to container %s, ignoring: %m", *i); | |
711 | continue; | |
712 | } | |
713 | ||
714 | k = get_unit_list(container, *i, patterns, &unit_infos, c, &reply); | |
715 | if (k < 0) | |
716 | return k; | |
717 | ||
718 | c = k; | |
719 | ||
720 | r = set_put(replies, reply); | |
721 | if (r < 0) { | |
722 | sd_bus_message_unref(reply); | |
723 | return log_oom(); | |
724 | } | |
725 | } | |
726 | ||
727 | *_machines = TAKE_PTR(machines); | |
728 | } else | |
729 | *_machines = NULL; | |
730 | ||
731 | *_unit_infos = TAKE_PTR(unit_infos); | |
732 | *_replies = TAKE_PTR(replies); | |
733 | ||
734 | return c; | |
735 | } | |
736 | ||
737 | static int list_units(int argc, char *argv[], void *userdata) { | |
738 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
739 | _cleanup_(message_set_freep) Set *replies = NULL; | |
740 | _cleanup_strv_free_ char **machines = NULL; | |
741 | sd_bus *bus; | |
742 | int r; | |
743 | ||
744 | r = acquire_bus(BUS_MANAGER, &bus); | |
745 | if (r < 0) | |
746 | return r; | |
747 | ||
748 | (void) pager_open(arg_pager_flags); | |
749 | ||
750 | r = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
751 | if (r < 0) | |
752 | return r; | |
753 | ||
754 | typesafe_qsort(unit_infos, r, compare_unit_info); | |
755 | return output_units_list(unit_infos, r); | |
756 | } | |
757 | ||
758 | static int get_triggered_units( | |
759 | sd_bus *bus, | |
760 | const char* path, | |
761 | char*** ret) { | |
762 | ||
763 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
764 | int r; | |
765 | ||
766 | assert(bus); | |
767 | assert(path); | |
768 | assert(ret); | |
769 | ||
770 | r = sd_bus_get_property_strv( | |
771 | bus, | |
772 | "org.freedesktop.systemd1", | |
773 | path, | |
774 | "org.freedesktop.systemd1.Unit", | |
775 | "Triggers", | |
776 | &error, | |
777 | ret); | |
778 | if (r < 0) | |
779 | return log_error_errno(r, "Failed to determine triggers: %s", bus_error_message(&error, r)); | |
780 | ||
781 | return 0; | |
782 | } | |
783 | ||
784 | static int get_listening( | |
785 | sd_bus *bus, | |
786 | const char* unit_path, | |
787 | char*** listening) { | |
788 | ||
789 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
790 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
791 | const char *type, *path; | |
792 | int r, n = 0; | |
793 | ||
794 | r = sd_bus_get_property( | |
795 | bus, | |
796 | "org.freedesktop.systemd1", | |
797 | unit_path, | |
798 | "org.freedesktop.systemd1.Socket", | |
799 | "Listen", | |
800 | &error, | |
801 | &reply, | |
802 | "a(ss)"); | |
803 | if (r < 0) | |
804 | return log_error_errno(r, "Failed to get list of listening sockets: %s", bus_error_message(&error, r)); | |
805 | ||
806 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
807 | if (r < 0) | |
808 | return bus_log_parse_error(r); | |
809 | ||
810 | while ((r = sd_bus_message_read(reply, "(ss)", &type, &path)) > 0) { | |
811 | ||
812 | r = strv_extend(listening, type); | |
813 | if (r < 0) | |
814 | return log_oom(); | |
815 | ||
816 | r = strv_extend(listening, path); | |
817 | if (r < 0) | |
818 | return log_oom(); | |
819 | ||
820 | n++; | |
821 | } | |
822 | if (r < 0) | |
823 | return bus_log_parse_error(r); | |
824 | ||
825 | r = sd_bus_message_exit_container(reply); | |
826 | if (r < 0) | |
827 | return bus_log_parse_error(r); | |
828 | ||
829 | return n; | |
830 | } | |
831 | ||
832 | struct socket_info { | |
833 | const char *machine; | |
834 | const char* id; | |
835 | ||
836 | char* type; | |
837 | char* path; | |
838 | ||
839 | /* Note: triggered is a list here, although it almost certainly | |
840 | * will always be one unit. Nevertheless, dbus API allows for multiple | |
841 | * values, so let's follow that. */ | |
842 | char** triggered; | |
843 | ||
844 | /* The strv above is shared. free is set only in the first one. */ | |
845 | bool own_triggered; | |
846 | }; | |
847 | ||
848 | static int socket_info_compare(const struct socket_info *a, const struct socket_info *b) { | |
849 | int r; | |
850 | ||
851 | assert(a); | |
852 | assert(b); | |
853 | ||
854 | if (!a->machine && b->machine) | |
855 | return -1; | |
856 | if (a->machine && !b->machine) | |
857 | return 1; | |
858 | if (a->machine && b->machine) { | |
859 | r = strcasecmp(a->machine, b->machine); | |
860 | if (r != 0) | |
861 | return r; | |
862 | } | |
863 | ||
864 | r = strcmp(a->path, b->path); | |
865 | if (r == 0) | |
866 | r = strcmp(a->type, b->type); | |
867 | ||
868 | return r; | |
869 | } | |
870 | ||
871 | static int output_sockets_list(struct socket_info *socket_infos, unsigned cs) { | |
872 | struct socket_info *s; | |
873 | unsigned pathlen = STRLEN("LISTEN"), | |
874 | typelen = STRLEN("TYPE") * arg_show_types, | |
875 | socklen = STRLEN("UNIT"), | |
876 | servlen = STRLEN("ACTIVATES"); | |
877 | const char *on, *off; | |
878 | ||
879 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
880 | unsigned tmp = 0; | |
881 | char **a; | |
882 | ||
883 | socklen = MAX(socklen, strlen(s->id)); | |
884 | if (arg_show_types) | |
885 | typelen = MAX(typelen, strlen(s->type)); | |
886 | pathlen = MAX(pathlen, strlen(s->path) + (s->machine ? strlen(s->machine)+1 : 0)); | |
887 | ||
888 | STRV_FOREACH(a, s->triggered) | |
889 | tmp += strlen(*a) + 2*(a != s->triggered); | |
890 | servlen = MAX(servlen, tmp); | |
891 | } | |
892 | ||
893 | if (cs) { | |
894 | if (!arg_no_legend) | |
895 | printf("%-*s %-*.*s%-*s %s\n", | |
896 | pathlen, "LISTEN", | |
897 | typelen + arg_show_types, typelen + arg_show_types, "TYPE ", | |
898 | socklen, "UNIT", | |
899 | "ACTIVATES"); | |
900 | ||
901 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
902 | _cleanup_free_ char *j = NULL; | |
903 | const char *path; | |
904 | char **a; | |
905 | ||
906 | if (s->machine) { | |
907 | j = strjoin(s->machine, ":", s->path); | |
908 | if (!j) | |
909 | return log_oom(); | |
910 | path = j; | |
911 | } else | |
912 | path = s->path; | |
913 | ||
914 | if (arg_show_types) | |
915 | printf("%-*s %-*s %-*s", | |
916 | pathlen, path, typelen, s->type, socklen, s->id); | |
917 | else | |
918 | printf("%-*s %-*s", | |
919 | pathlen, path, socklen, s->id); | |
920 | STRV_FOREACH(a, s->triggered) | |
921 | printf("%s %s", | |
922 | a == s->triggered ? "" : ",", *a); | |
923 | printf("\n"); | |
924 | } | |
925 | ||
926 | on = ansi_highlight(); | |
927 | off = ansi_normal(); | |
928 | if (!arg_no_legend) | |
929 | printf("\n"); | |
930 | } else { | |
931 | on = ansi_highlight_red(); | |
932 | off = ansi_normal(); | |
933 | } | |
934 | ||
935 | if (!arg_no_legend) { | |
936 | printf("%s%u sockets listed.%s\n", on, cs, off); | |
937 | if (!arg_all) | |
938 | printf("Pass --all to see loaded but inactive sockets, too.\n"); | |
939 | } | |
940 | ||
941 | return 0; | |
942 | } | |
943 | ||
944 | static int list_sockets(int argc, char *argv[], void *userdata) { | |
945 | _cleanup_(message_set_freep) Set *replies = NULL; | |
946 | _cleanup_strv_free_ char **machines = NULL; | |
947 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
948 | _cleanup_free_ struct socket_info *socket_infos = NULL; | |
949 | const UnitInfo *u; | |
950 | struct socket_info *s; | |
951 | unsigned cs = 0; | |
952 | size_t size = 0; | |
953 | int r = 0, n; | |
954 | sd_bus *bus; | |
955 | ||
956 | r = acquire_bus(BUS_MANAGER, &bus); | |
957 | if (r < 0) | |
958 | return r; | |
959 | ||
960 | (void) pager_open(arg_pager_flags); | |
961 | ||
962 | n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
963 | if (n < 0) | |
964 | return n; | |
965 | ||
966 | for (u = unit_infos; u < unit_infos + n; u++) { | |
967 | _cleanup_strv_free_ char **listening = NULL, **triggered = NULL; | |
968 | int i, c; | |
969 | ||
970 | if (!endswith(u->id, ".socket")) | |
971 | continue; | |
972 | ||
973 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
974 | if (r < 0) | |
975 | goto cleanup; | |
976 | ||
977 | c = get_listening(bus, u->unit_path, &listening); | |
978 | if (c < 0) { | |
979 | r = c; | |
980 | goto cleanup; | |
981 | } | |
982 | ||
983 | if (!GREEDY_REALLOC(socket_infos, size, cs + c)) { | |
984 | r = log_oom(); | |
985 | goto cleanup; | |
986 | } | |
987 | ||
988 | for (i = 0; i < c; i++) | |
989 | socket_infos[cs + i] = (struct socket_info) { | |
990 | .machine = u->machine, | |
991 | .id = u->id, | |
992 | .type = listening[i*2], | |
993 | .path = listening[i*2 + 1], | |
994 | .triggered = triggered, | |
995 | .own_triggered = i==0, | |
996 | }; | |
997 | ||
998 | /* from this point on we will cleanup those socket_infos */ | |
999 | cs += c; | |
1000 | free(listening); | |
1001 | listening = triggered = NULL; /* avoid cleanup */ | |
1002 | } | |
1003 | ||
1004 | typesafe_qsort(socket_infos, cs, socket_info_compare); | |
1005 | ||
1006 | output_sockets_list(socket_infos, cs); | |
1007 | ||
1008 | cleanup: | |
1009 | assert(cs == 0 || socket_infos); | |
1010 | for (s = socket_infos; s < socket_infos + cs; s++) { | |
1011 | free(s->type); | |
1012 | free(s->path); | |
1013 | if (s->own_triggered) | |
1014 | strv_free(s->triggered); | |
1015 | } | |
1016 | ||
1017 | return r; | |
1018 | } | |
1019 | ||
1020 | static int get_next_elapse( | |
1021 | sd_bus *bus, | |
1022 | const char *path, | |
1023 | dual_timestamp *next) { | |
1024 | ||
1025 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1026 | dual_timestamp t; | |
1027 | int r; | |
1028 | ||
1029 | assert(bus); | |
1030 | assert(path); | |
1031 | assert(next); | |
1032 | ||
1033 | r = sd_bus_get_property_trivial( | |
1034 | bus, | |
1035 | "org.freedesktop.systemd1", | |
1036 | path, | |
1037 | "org.freedesktop.systemd1.Timer", | |
1038 | "NextElapseUSecMonotonic", | |
1039 | &error, | |
1040 | 't', | |
1041 | &t.monotonic); | |
1042 | if (r < 0) | |
1043 | return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r)); | |
1044 | ||
1045 | r = sd_bus_get_property_trivial( | |
1046 | bus, | |
1047 | "org.freedesktop.systemd1", | |
1048 | path, | |
1049 | "org.freedesktop.systemd1.Timer", | |
1050 | "NextElapseUSecRealtime", | |
1051 | &error, | |
1052 | 't', | |
1053 | &t.realtime); | |
1054 | if (r < 0) | |
1055 | return log_error_errno(r, "Failed to get next elapse time: %s", bus_error_message(&error, r)); | |
1056 | ||
1057 | *next = t; | |
1058 | return 0; | |
1059 | } | |
1060 | ||
1061 | static int get_last_trigger( | |
1062 | sd_bus *bus, | |
1063 | const char *path, | |
1064 | usec_t *last) { | |
1065 | ||
1066 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1067 | int r; | |
1068 | ||
1069 | assert(bus); | |
1070 | assert(path); | |
1071 | assert(last); | |
1072 | ||
1073 | r = sd_bus_get_property_trivial( | |
1074 | bus, | |
1075 | "org.freedesktop.systemd1", | |
1076 | path, | |
1077 | "org.freedesktop.systemd1.Timer", | |
1078 | "LastTriggerUSec", | |
1079 | &error, | |
1080 | 't', | |
1081 | last); | |
1082 | if (r < 0) | |
1083 | return log_error_errno(r, "Failed to get last trigger time: %s", bus_error_message(&error, r)); | |
1084 | ||
1085 | return 0; | |
1086 | } | |
1087 | ||
1088 | struct timer_info { | |
1089 | const char* machine; | |
1090 | const char* id; | |
1091 | usec_t next_elapse; | |
1092 | usec_t last_trigger; | |
1093 | char** triggered; | |
1094 | }; | |
1095 | ||
1096 | static int timer_info_compare(const struct timer_info *a, const struct timer_info *b) { | |
1097 | int r; | |
1098 | ||
1099 | assert(a); | |
1100 | assert(b); | |
1101 | ||
1102 | if (!a->machine && b->machine) | |
1103 | return -1; | |
1104 | if (a->machine && !b->machine) | |
1105 | return 1; | |
1106 | if (a->machine && b->machine) { | |
1107 | r = strcasecmp(a->machine, b->machine); | |
1108 | if (r != 0) | |
1109 | return r; | |
1110 | } | |
1111 | ||
1112 | r = CMP(a->next_elapse, b->next_elapse); | |
1113 | if (r != 0) | |
1114 | return r; | |
1115 | ||
1116 | return strcmp(a->id, b->id); | |
1117 | } | |
1118 | ||
1119 | static int output_timers_list(struct timer_info *timer_infos, unsigned n) { | |
1120 | struct timer_info *t; | |
1121 | unsigned | |
1122 | nextlen = STRLEN("NEXT"), | |
1123 | leftlen = STRLEN("LEFT"), | |
1124 | lastlen = STRLEN("LAST"), | |
1125 | passedlen = STRLEN("PASSED"), | |
1126 | unitlen = STRLEN("UNIT"), | |
1127 | activatelen = STRLEN("ACTIVATES"); | |
1128 | ||
1129 | const char *on, *off; | |
1130 | ||
1131 | assert(timer_infos || n == 0); | |
1132 | ||
1133 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1134 | unsigned ul = 0; | |
1135 | char **a; | |
1136 | ||
1137 | if (t->next_elapse > 0) { | |
1138 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1139 | ||
1140 | format_timestamp(tstamp, sizeof(tstamp), t->next_elapse); | |
1141 | nextlen = MAX(nextlen, strlen(tstamp) + 1); | |
1142 | ||
1143 | format_timestamp_relative(trel, sizeof(trel), t->next_elapse); | |
1144 | leftlen = MAX(leftlen, strlen(trel)); | |
1145 | } | |
1146 | ||
1147 | if (t->last_trigger > 0) { | |
1148 | char tstamp[FORMAT_TIMESTAMP_MAX] = "", trel[FORMAT_TIMESTAMP_RELATIVE_MAX] = ""; | |
1149 | ||
1150 | format_timestamp(tstamp, sizeof(tstamp), t->last_trigger); | |
1151 | lastlen = MAX(lastlen, strlen(tstamp) + 1); | |
1152 | ||
1153 | format_timestamp_relative(trel, sizeof(trel), t->last_trigger); | |
1154 | passedlen = MAX(passedlen, strlen(trel)); | |
1155 | } | |
1156 | ||
1157 | unitlen = MAX(unitlen, strlen(t->id) + (t->machine ? strlen(t->machine)+1 : 0)); | |
1158 | ||
1159 | STRV_FOREACH(a, t->triggered) | |
1160 | ul += strlen(*a) + 2*(a != t->triggered); | |
1161 | ||
1162 | activatelen = MAX(activatelen, ul); | |
1163 | } | |
1164 | ||
1165 | if (n > 0) { | |
1166 | if (!arg_no_legend) | |
1167 | printf("%-*s %-*s %-*s %-*s %-*s %s\n", | |
1168 | nextlen, "NEXT", | |
1169 | leftlen, "LEFT", | |
1170 | lastlen, "LAST", | |
1171 | passedlen, "PASSED", | |
1172 | unitlen, "UNIT", | |
1173 | "ACTIVATES"); | |
1174 | ||
1175 | for (t = timer_infos; t < timer_infos + n; t++) { | |
1176 | _cleanup_free_ char *j = NULL; | |
1177 | const char *unit; | |
1178 | char tstamp1[FORMAT_TIMESTAMP_MAX] = "n/a", trel1[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1179 | char tstamp2[FORMAT_TIMESTAMP_MAX] = "n/a", trel2[FORMAT_TIMESTAMP_RELATIVE_MAX] = "n/a"; | |
1180 | char **a; | |
1181 | ||
1182 | format_timestamp(tstamp1, sizeof(tstamp1), t->next_elapse); | |
1183 | format_timestamp_relative(trel1, sizeof(trel1), t->next_elapse); | |
1184 | ||
1185 | format_timestamp(tstamp2, sizeof(tstamp2), t->last_trigger); | |
1186 | format_timestamp_relative(trel2, sizeof(trel2), t->last_trigger); | |
1187 | ||
1188 | if (t->machine) { | |
1189 | j = strjoin(t->machine, ":", t->id); | |
1190 | if (!j) | |
1191 | return log_oom(); | |
1192 | unit = j; | |
1193 | } else | |
1194 | unit = t->id; | |
1195 | ||
1196 | printf("%-*s %-*s %-*s %-*s %-*s", | |
1197 | nextlen, tstamp1, leftlen, trel1, lastlen, tstamp2, passedlen, trel2, unitlen, unit); | |
1198 | ||
1199 | STRV_FOREACH(a, t->triggered) | |
1200 | printf("%s %s", | |
1201 | a == t->triggered ? "" : ",", *a); | |
1202 | printf("\n"); | |
1203 | } | |
1204 | ||
1205 | on = ansi_highlight(); | |
1206 | off = ansi_normal(); | |
1207 | if (!arg_no_legend) | |
1208 | printf("\n"); | |
1209 | } else { | |
1210 | on = ansi_highlight_red(); | |
1211 | off = ansi_normal(); | |
1212 | } | |
1213 | ||
1214 | if (!arg_no_legend) { | |
1215 | printf("%s%u timers listed.%s\n", on, n, off); | |
1216 | if (!arg_all) | |
1217 | printf("Pass --all to see loaded but inactive timers, too.\n"); | |
1218 | } | |
1219 | ||
1220 | return 0; | |
1221 | } | |
1222 | ||
1223 | static usec_t calc_next_elapse(dual_timestamp *nw, dual_timestamp *next) { | |
1224 | usec_t next_elapse; | |
1225 | ||
1226 | assert(nw); | |
1227 | assert(next); | |
1228 | ||
1229 | if (next->monotonic != USEC_INFINITY && next->monotonic > 0) { | |
1230 | usec_t converted; | |
1231 | ||
1232 | if (next->monotonic > nw->monotonic) | |
1233 | converted = nw->realtime + (next->monotonic - nw->monotonic); | |
1234 | else | |
1235 | converted = nw->realtime - (nw->monotonic - next->monotonic); | |
1236 | ||
1237 | if (next->realtime != USEC_INFINITY && next->realtime > 0) | |
1238 | next_elapse = MIN(converted, next->realtime); | |
1239 | else | |
1240 | next_elapse = converted; | |
1241 | ||
1242 | } else | |
1243 | next_elapse = next->realtime; | |
1244 | ||
1245 | return next_elapse; | |
1246 | } | |
1247 | ||
1248 | static int list_timers(int argc, char *argv[], void *userdata) { | |
1249 | _cleanup_(message_set_freep) Set *replies = NULL; | |
1250 | _cleanup_strv_free_ char **machines = NULL; | |
1251 | _cleanup_free_ struct timer_info *timer_infos = NULL; | |
1252 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
1253 | struct timer_info *t; | |
1254 | const UnitInfo *u; | |
1255 | size_t size = 0; | |
1256 | int n, c = 0; | |
1257 | dual_timestamp nw; | |
1258 | sd_bus *bus; | |
1259 | int r = 0; | |
1260 | ||
1261 | r = acquire_bus(BUS_MANAGER, &bus); | |
1262 | if (r < 0) | |
1263 | return r; | |
1264 | ||
1265 | (void) pager_open(arg_pager_flags); | |
1266 | ||
1267 | n = get_unit_list_recursive(bus, strv_skip(argv, 1), &unit_infos, &replies, &machines); | |
1268 | if (n < 0) | |
1269 | return n; | |
1270 | ||
1271 | dual_timestamp_get(&nw); | |
1272 | ||
1273 | for (u = unit_infos; u < unit_infos + n; u++) { | |
1274 | _cleanup_strv_free_ char **triggered = NULL; | |
1275 | dual_timestamp next = DUAL_TIMESTAMP_NULL; | |
1276 | usec_t m, last = 0; | |
1277 | ||
1278 | if (!endswith(u->id, ".timer")) | |
1279 | continue; | |
1280 | ||
1281 | r = get_triggered_units(bus, u->unit_path, &triggered); | |
1282 | if (r < 0) | |
1283 | goto cleanup; | |
1284 | ||
1285 | r = get_next_elapse(bus, u->unit_path, &next); | |
1286 | if (r < 0) | |
1287 | goto cleanup; | |
1288 | ||
1289 | get_last_trigger(bus, u->unit_path, &last); | |
1290 | ||
1291 | if (!GREEDY_REALLOC(timer_infos, size, c+1)) { | |
1292 | r = log_oom(); | |
1293 | goto cleanup; | |
1294 | } | |
1295 | ||
1296 | m = calc_next_elapse(&nw, &next); | |
1297 | ||
1298 | timer_infos[c++] = (struct timer_info) { | |
1299 | .machine = u->machine, | |
1300 | .id = u->id, | |
1301 | .next_elapse = m, | |
1302 | .last_trigger = last, | |
1303 | .triggered = TAKE_PTR(triggered), | |
1304 | }; | |
1305 | } | |
1306 | ||
1307 | typesafe_qsort(timer_infos, c, timer_info_compare); | |
1308 | ||
1309 | output_timers_list(timer_infos, c); | |
1310 | ||
1311 | cleanup: | |
1312 | for (t = timer_infos; t < timer_infos + c; t++) | |
1313 | strv_free(t->triggered); | |
1314 | ||
1315 | return r; | |
1316 | } | |
1317 | ||
1318 | static int compare_unit_file_list(const UnitFileList *a, const UnitFileList *b) { | |
1319 | const char *d1, *d2; | |
1320 | ||
1321 | d1 = strrchr(a->path, '.'); | |
1322 | d2 = strrchr(b->path, '.'); | |
1323 | ||
1324 | if (d1 && d2) { | |
1325 | int r; | |
1326 | ||
1327 | r = strcasecmp(d1, d2); | |
1328 | if (r != 0) | |
1329 | return r; | |
1330 | } | |
1331 | ||
1332 | return strcasecmp(basename(a->path), basename(b->path)); | |
1333 | } | |
1334 | ||
1335 | static bool output_show_unit_file(const UnitFileList *u, char **states, char **patterns) { | |
1336 | assert(u); | |
1337 | ||
1338 | if (!strv_fnmatch_or_empty(patterns, basename(u->path), FNM_NOESCAPE)) | |
1339 | return false; | |
1340 | ||
1341 | if (!strv_isempty(arg_types)) { | |
1342 | const char *dot; | |
1343 | ||
1344 | dot = strrchr(u->path, '.'); | |
1345 | if (!dot) | |
1346 | return false; | |
1347 | ||
1348 | if (!strv_find(arg_types, dot+1)) | |
1349 | return false; | |
1350 | } | |
1351 | ||
1352 | if (!strv_isempty(states) && | |
1353 | !strv_find(states, unit_file_state_to_string(u->state))) | |
1354 | return false; | |
1355 | ||
1356 | return true; | |
1357 | } | |
1358 | ||
1359 | static void output_unit_file_list(const UnitFileList *units, unsigned c) { | |
1360 | unsigned max_id_len, id_cols, state_cols; | |
1361 | const UnitFileList *u; | |
1362 | ||
1363 | max_id_len = STRLEN("UNIT FILE"); | |
1364 | state_cols = STRLEN("STATE"); | |
1365 | ||
1366 | for (u = units; u < units + c; u++) { | |
1367 | max_id_len = MAX(max_id_len, strlen(basename(u->path))); | |
1368 | state_cols = MAX(state_cols, strlen(unit_file_state_to_string(u->state))); | |
1369 | } | |
1370 | ||
1371 | if (!arg_full) { | |
1372 | unsigned basic_cols; | |
1373 | ||
1374 | id_cols = MIN(max_id_len, 25u); | |
1375 | basic_cols = 1 + id_cols + state_cols; | |
1376 | if (basic_cols < (unsigned) columns()) | |
1377 | id_cols += MIN(columns() - basic_cols, max_id_len - id_cols); | |
1378 | } else | |
1379 | id_cols = max_id_len; | |
1380 | ||
1381 | if (!arg_no_legend && c > 0) | |
1382 | printf("%s%-*s %-*s%s\n", | |
1383 | ansi_underline(), | |
1384 | id_cols, "UNIT FILE", | |
1385 | state_cols, "STATE", | |
1386 | ansi_normal()); | |
1387 | ||
1388 | for (u = units; u < units + c; u++) { | |
1389 | const char *on_underline = NULL, *on_color = NULL, *off = NULL, *id; | |
1390 | _cleanup_free_ char *e = NULL; | |
1391 | bool underline; | |
1392 | ||
1393 | underline = u + 1 < units + c && | |
1394 | !streq(unit_type_suffix(u->path), unit_type_suffix((u + 1)->path)); | |
1395 | ||
1396 | if (underline) | |
1397 | on_underline = ansi_underline(); | |
1398 | ||
1399 | if (IN_SET(u->state, | |
1400 | UNIT_FILE_MASKED, | |
1401 | UNIT_FILE_MASKED_RUNTIME, | |
1402 | UNIT_FILE_DISABLED, | |
1403 | UNIT_FILE_BAD)) | |
1404 | on_color = underline ? ansi_highlight_red_underline() : ansi_highlight_red(); | |
1405 | else if (u->state == UNIT_FILE_ENABLED) | |
1406 | on_color = underline ? ansi_highlight_green_underline() : ansi_highlight_green(); | |
1407 | ||
1408 | if (on_underline || on_color) | |
1409 | off = ansi_normal(); | |
1410 | ||
1411 | id = basename(u->path); | |
1412 | ||
1413 | e = arg_full ? NULL : ellipsize(id, id_cols, 33); | |
1414 | ||
1415 | printf("%s%-*s %s%-*s%s\n", | |
1416 | strempty(on_underline), | |
1417 | id_cols, e ? e : id, | |
1418 | strempty(on_color), state_cols, unit_file_state_to_string(u->state), strempty(off)); | |
1419 | } | |
1420 | ||
1421 | if (!arg_no_legend) | |
1422 | printf("\n%u unit files listed.\n", c); | |
1423 | } | |
1424 | ||
1425 | static int list_unit_files(int argc, char *argv[], void *userdata) { | |
1426 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
1427 | _cleanup_free_ UnitFileList *units = NULL; | |
1428 | UnitFileList *unit; | |
1429 | size_t size = 0; | |
1430 | unsigned c = 0; | |
1431 | const char *state; | |
1432 | char *path; | |
1433 | int r; | |
1434 | bool fallback = false; | |
1435 | ||
1436 | if (install_client_side()) { | |
1437 | Hashmap *h; | |
1438 | UnitFileList *u; | |
1439 | Iterator i; | |
1440 | unsigned n_units; | |
1441 | ||
1442 | h = hashmap_new(&string_hash_ops); | |
1443 | if (!h) | |
1444 | return log_oom(); | |
1445 | ||
1446 | r = unit_file_get_list(arg_scope, arg_root, h, arg_states, strv_skip(argv, 1)); | |
1447 | if (r < 0) { | |
1448 | unit_file_list_free(h); | |
1449 | return log_error_errno(r, "Failed to get unit file list: %m"); | |
1450 | } | |
1451 | ||
1452 | n_units = hashmap_size(h); | |
1453 | ||
1454 | units = new(UnitFileList, n_units ?: 1); /* avoid malloc(0) */ | |
1455 | if (!units) { | |
1456 | unit_file_list_free(h); | |
1457 | return log_oom(); | |
1458 | } | |
1459 | ||
1460 | HASHMAP_FOREACH(u, h, i) { | |
1461 | if (!output_show_unit_file(u, NULL, NULL)) | |
1462 | continue; | |
1463 | ||
1464 | units[c++] = *u; | |
1465 | free(u); | |
1466 | } | |
1467 | ||
1468 | assert(c <= n_units); | |
1469 | hashmap_free(h); | |
1470 | ||
1471 | r = 0; | |
1472 | } else { | |
1473 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
1474 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1475 | sd_bus *bus; | |
1476 | ||
1477 | r = acquire_bus(BUS_MANAGER, &bus); | |
1478 | if (r < 0) | |
1479 | return r; | |
1480 | ||
1481 | r = sd_bus_message_new_method_call( | |
1482 | bus, | |
1483 | &m, | |
1484 | "org.freedesktop.systemd1", | |
1485 | "/org/freedesktop/systemd1", | |
1486 | "org.freedesktop.systemd1.Manager", | |
1487 | "ListUnitFilesByPatterns"); | |
1488 | if (r < 0) | |
1489 | return bus_log_create_error(r); | |
1490 | ||
1491 | r = sd_bus_message_append_strv(m, arg_states); | |
1492 | if (r < 0) | |
1493 | return bus_log_create_error(r); | |
1494 | ||
1495 | r = sd_bus_message_append_strv(m, strv_skip(argv, 1)); | |
1496 | if (r < 0) | |
1497 | return bus_log_create_error(r); | |
1498 | ||
1499 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1500 | if (r < 0 && sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_METHOD)) { | |
1501 | /* Fallback to legacy ListUnitFiles method */ | |
1502 | fallback = true; | |
1503 | log_debug_errno(r, "Failed to list unit files: %s Falling back to ListUnitsFiles method.", bus_error_message(&error, r)); | |
1504 | m = sd_bus_message_unref(m); | |
1505 | sd_bus_error_free(&error); | |
1506 | ||
1507 | r = sd_bus_message_new_method_call( | |
1508 | bus, | |
1509 | &m, | |
1510 | "org.freedesktop.systemd1", | |
1511 | "/org/freedesktop/systemd1", | |
1512 | "org.freedesktop.systemd1.Manager", | |
1513 | "ListUnitFiles"); | |
1514 | if (r < 0) | |
1515 | return bus_log_create_error(r); | |
1516 | ||
1517 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
1518 | } | |
1519 | if (r < 0) | |
1520 | return log_error_errno(r, "Failed to list unit files: %s", bus_error_message(&error, r)); | |
1521 | ||
1522 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ss)"); | |
1523 | if (r < 0) | |
1524 | return bus_log_parse_error(r); | |
1525 | ||
1526 | while ((r = sd_bus_message_read(reply, "(ss)", &path, &state)) > 0) { | |
1527 | ||
1528 | if (!GREEDY_REALLOC(units, size, c + 1)) | |
1529 | return log_oom(); | |
1530 | ||
1531 | units[c] = (struct UnitFileList) { | |
1532 | path, | |
1533 | unit_file_state_from_string(state) | |
1534 | }; | |
1535 | ||
1536 | if (output_show_unit_file(&units[c], | |
1537 | fallback ? arg_states : NULL, | |
1538 | fallback ? strv_skip(argv, 1) : NULL)) | |
1539 | c++; | |
1540 | ||
1541 | } | |
1542 | if (r < 0) | |
1543 | return bus_log_parse_error(r); | |
1544 | ||
1545 | r = sd_bus_message_exit_container(reply); | |
1546 | if (r < 0) | |
1547 | return bus_log_parse_error(r); | |
1548 | } | |
1549 | ||
1550 | (void) pager_open(arg_pager_flags); | |
1551 | ||
1552 | typesafe_qsort(units, c, compare_unit_file_list); | |
1553 | output_unit_file_list(units, c); | |
1554 | ||
1555 | if (install_client_side()) | |
1556 | for (unit = units; unit < units + c; unit++) | |
1557 | free(unit->path); | |
1558 | ||
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | static int list_dependencies_print(const char *name, int level, unsigned branches, bool last) { | |
1563 | _cleanup_free_ char *n = NULL; | |
1564 | size_t max_len = MAX(columns(),20u); | |
1565 | size_t len = 0; | |
1566 | int i; | |
1567 | ||
1568 | if (!arg_plain) { | |
1569 | ||
1570 | for (i = level - 1; i >= 0; i--) { | |
1571 | len += 2; | |
1572 | if (len > max_len - 3 && !arg_full) { | |
1573 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1574 | return 0; | |
1575 | } | |
1576 | printf("%s", special_glyph(branches & (1 << i) ? SPECIAL_GLYPH_TREE_VERTICAL : SPECIAL_GLYPH_TREE_SPACE)); | |
1577 | } | |
1578 | len += 2; | |
1579 | ||
1580 | if (len > max_len - 3 && !arg_full) { | |
1581 | printf("%s...\n",max_len % 2 ? "" : " "); | |
1582 | return 0; | |
1583 | } | |
1584 | ||
1585 | printf("%s", special_glyph(last ? SPECIAL_GLYPH_TREE_RIGHT : SPECIAL_GLYPH_TREE_BRANCH)); | |
1586 | } | |
1587 | ||
1588 | if (arg_full) { | |
1589 | printf("%s\n", name); | |
1590 | return 0; | |
1591 | } | |
1592 | ||
1593 | n = ellipsize(name, max_len-len, 100); | |
1594 | if (!n) | |
1595 | return log_oom(); | |
1596 | ||
1597 | printf("%s\n", n); | |
1598 | return 0; | |
1599 | } | |
1600 | ||
1601 | static int list_dependencies_get_dependencies(sd_bus *bus, const char *name, char ***deps) { | |
1602 | struct DependencyStatusInfo { | |
1603 | char **dep[5]; | |
1604 | } info = {}; | |
1605 | ||
1606 | static const struct bus_properties_map map[_DEPENDENCY_MAX][6] = { | |
1607 | [DEPENDENCY_FORWARD] = { | |
1608 | { "Requires", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) }, | |
1609 | { "Requisite", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) }, | |
1610 | { "Wants", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) }, | |
1611 | { "ConsistsOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) }, | |
1612 | { "BindsTo", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) }, | |
1613 | {} | |
1614 | }, | |
1615 | [DEPENDENCY_REVERSE] = { | |
1616 | { "RequiredBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) }, | |
1617 | { "RequisiteOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[1]) }, | |
1618 | { "WantedBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[2]) }, | |
1619 | { "PartOf", "as", NULL, offsetof(struct DependencyStatusInfo, dep[3]) }, | |
1620 | { "BoundBy", "as", NULL, offsetof(struct DependencyStatusInfo, dep[4]) }, | |
1621 | {} | |
1622 | }, | |
1623 | [DEPENDENCY_AFTER] = { | |
1624 | { "After", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) }, | |
1625 | {} | |
1626 | }, | |
1627 | [DEPENDENCY_BEFORE] = { | |
1628 | { "Before", "as", NULL, offsetof(struct DependencyStatusInfo, dep[0]) }, | |
1629 | {} | |
1630 | }, | |
1631 | }; | |
1632 | ||
1633 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
1634 | _cleanup_strv_free_ char **ret = NULL; | |
1635 | _cleanup_free_ char *path = NULL; | |
1636 | int i, r; | |
1637 | ||
1638 | assert(bus); | |
1639 | assert(name); | |
1640 | assert(deps); | |
1641 | ||
1642 | path = unit_dbus_path_from_name(name); | |
1643 | if (!path) | |
1644 | return log_oom(); | |
1645 | ||
1646 | r = bus_map_all_properties(bus, | |
1647 | "org.freedesktop.systemd1", | |
1648 | path, | |
1649 | map[arg_dependency], | |
1650 | BUS_MAP_STRDUP, | |
1651 | &error, | |
1652 | NULL, | |
1653 | &info); | |
1654 | if (r < 0) | |
1655 | return log_error_errno(r, "Failed to get properties of %s: %s", name, bus_error_message(&error, r)); | |
1656 | ||
1657 | if (IN_SET(arg_dependency, DEPENDENCY_AFTER, DEPENDENCY_BEFORE)) { | |
1658 | *deps = info.dep[0]; | |
1659 | return 0; | |
1660 | } | |
1661 | ||
1662 | for (i = 0; i < 5; i++) { | |
1663 | r = strv_extend_strv(&ret, info.dep[i], true); | |
1664 | if (r < 0) | |
1665 | return log_oom(); | |
1666 | info.dep[i] = strv_free(info.dep[i]); | |
1667 | } | |
1668 | ||
1669 | *deps = TAKE_PTR(ret); | |
1670 | ||
1671 | return 0; | |
1672 | } | |
1673 | ||
1674 | static int list_dependencies_compare(char * const *a, char * const *b) { | |
1675 | if (unit_name_to_type(*a) == UNIT_TARGET && unit_name_to_type(*b) != UNIT_TARGET) | |
1676 | return 1; | |
1677 | if (unit_name_to_type(*a) != UNIT_TARGET && unit_name_to_type(*b) == UNIT_TARGET) | |
1678 | return -1; | |
1679 | ||
1680 | return strcasecmp(*a, *b); | |
1681 | } | |
1682 | ||
1683 | static int list_dependencies_one( | |
1684 | sd_bus *bus, | |
1685 | const char *name, | |
1686 | int level, | |
1687 | char ***units, | |
1688 | unsigned branches) { | |
1689 | ||
1690 | _cleanup_strv_free_ char **deps = NULL; | |
1691 | char **c; | |
1692 | int r = 0; | |
1693 | ||
1694 | assert(bus); | |
1695 | assert(name); | |
1696 | assert(units); | |
1697 | ||
1698 | r = strv_extend(units, name); | |
1699 | if (r < 0) | |
1700 | return log_oom(); | |
1701 | ||
1702 | r = list_dependencies_get_dependencies(bus, name, &deps); | |
1703 | if (r < 0) | |
1704 | return r; | |
1705 | ||
1706 | typesafe_qsort(deps, strv_length(deps), list_dependencies_compare); | |
1707 | ||
1708 | STRV_FOREACH(c, deps) { | |
1709 | if (strv_contains(*units, *c)) { | |
1710 | if (!arg_plain) { | |
1711 | printf(" "); | |
1712 | r = list_dependencies_print("...", level + 1, (branches << 1) | (c[1] == NULL ? 0 : 1), 1); | |
1713 | if (r < 0) | |
1714 | return r; | |
1715 | } | |
1716 | continue; | |
1717 | } | |
1718 | ||
1719 | if (arg_plain) | |
1720 | printf(" "); | |
1721 | else { | |
1722 | UnitActiveState active_state = _UNIT_ACTIVE_STATE_INVALID; | |
1723 | const char *on; | |
1724 | ||
1725 | (void) get_state_one_unit(bus, *c, &active_state); | |
1726 | ||
1727 | switch (active_state) { | |
1728 | case UNIT_ACTIVE: | |
1729 | case UNIT_RELOADING: | |
1730 | case UNIT_ACTIVATING: | |
1731 | on = ansi_highlight_green(); | |
1732 | break; | |
1733 | ||
1734 | case UNIT_INACTIVE: | |
1735 | case UNIT_DEACTIVATING: | |
1736 | on = ansi_normal(); | |
1737 | break; | |
1738 | ||
1739 | default: | |
1740 | on = ansi_highlight_red(); | |
1741 | break; | |
1742 | } | |
1743 | ||
1744 | printf("%s%s%s ", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), ansi_normal()); | |
1745 | } | |
1746 | ||
1747 | r = list_dependencies_print(*c, level, branches, c[1] == NULL); | |
1748 | if (r < 0) | |
1749 | return r; | |
1750 | ||
1751 | if (arg_all || unit_name_to_type(*c) == UNIT_TARGET) { | |
1752 | r = list_dependencies_one(bus, *c, level + 1, units, (branches << 1) | (c[1] == NULL ? 0 : 1)); | |
1753 | if (r < 0) | |
1754 | return r; | |
1755 | } | |
1756 | } | |
1757 | ||
1758 | if (!arg_plain) | |
1759 | strv_remove(*units, name); | |
1760 | ||
1761 | return 0; | |
1762 | } | |
1763 | ||
1764 | static int list_dependencies(int argc, char *argv[], void *userdata) { | |
1765 | _cleanup_strv_free_ char **units = NULL; | |
1766 | _cleanup_free_ char *unit = NULL; | |
1767 | const char *u; | |
1768 | sd_bus *bus; | |
1769 | int r; | |
1770 | ||
1771 | if (argv[1]) { | |
1772 | r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &unit); | |
1773 | if (r < 0) | |
1774 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
1775 | ||
1776 | u = unit; | |
1777 | } else | |
1778 | u = SPECIAL_DEFAULT_TARGET; | |
1779 | ||
1780 | r = acquire_bus(BUS_MANAGER, &bus); | |
1781 | if (r < 0) | |
1782 | return r; | |
1783 | ||
1784 | (void) pager_open(arg_pager_flags); | |
1785 | ||
1786 | puts(u); | |
1787 | ||
1788 | return list_dependencies_one(bus, u, 0, &units, 0); | |
1789 | } | |
1790 | ||
1791 | struct machine_info { | |
1792 | bool is_host; | |
1793 | char *name; | |
1794 | char *state; | |
1795 | char *control_group; | |
1796 | uint32_t n_failed_units; | |
1797 | uint32_t n_jobs; | |
1798 | usec_t timestamp; | |
1799 | }; | |
1800 | ||
1801 | static const struct bus_properties_map machine_info_property_map[] = { | |
1802 | { "SystemState", "s", NULL, offsetof(struct machine_info, state) }, | |
1803 | { "NJobs", "u", NULL, offsetof(struct machine_info, n_jobs) }, | |
1804 | { "NFailedUnits", "u", NULL, offsetof(struct machine_info, n_failed_units) }, | |
1805 | { "ControlGroup", "s", NULL, offsetof(struct machine_info, control_group) }, | |
1806 | { "UserspaceTimestamp", "t", NULL, offsetof(struct machine_info, timestamp) }, | |
1807 | {} | |
1808 | }; | |
1809 | ||
1810 | static void machine_info_clear(struct machine_info *info) { | |
1811 | assert(info); | |
1812 | ||
1813 | free(info->name); | |
1814 | free(info->state); | |
1815 | free(info->control_group); | |
1816 | zero(*info); | |
1817 | } | |
1818 | ||
1819 | static void free_machines_list(struct machine_info *machine_infos, int n) { | |
1820 | int i; | |
1821 | ||
1822 | if (!machine_infos) | |
1823 | return; | |
1824 | ||
1825 | for (i = 0; i < n; i++) | |
1826 | machine_info_clear(&machine_infos[i]); | |
1827 | ||
1828 | free(machine_infos); | |
1829 | } | |
1830 | ||
1831 | static int compare_machine_info(const struct machine_info *a, const struct machine_info *b) { | |
1832 | int r; | |
1833 | ||
1834 | r = CMP(b->is_host, a->is_host); | |
1835 | if (r != 0) | |
1836 | return r; | |
1837 | ||
1838 | return strcasecmp(a->name, b->name); | |
1839 | } | |
1840 | ||
1841 | static int get_machine_properties(sd_bus *bus, struct machine_info *mi) { | |
1842 | _cleanup_(sd_bus_flush_close_unrefp) sd_bus *container = NULL; | |
1843 | int r; | |
1844 | ||
1845 | assert(mi); | |
1846 | ||
1847 | if (!bus) { | |
1848 | r = sd_bus_open_system_machine(&container, mi->name); | |
1849 | if (r < 0) | |
1850 | return r; | |
1851 | ||
1852 | bus = container; | |
1853 | } | |
1854 | ||
1855 | r = bus_map_all_properties( | |
1856 | bus, | |
1857 | "org.freedesktop.systemd1", | |
1858 | "/org/freedesktop/systemd1", | |
1859 | machine_info_property_map, | |
1860 | BUS_MAP_STRDUP, | |
1861 | NULL, | |
1862 | NULL, | |
1863 | mi); | |
1864 | if (r < 0) | |
1865 | return r; | |
1866 | ||
1867 | return 0; | |
1868 | } | |
1869 | ||
1870 | static bool output_show_machine(const char *name, char **patterns) { | |
1871 | return strv_fnmatch_or_empty(patterns, name, FNM_NOESCAPE); | |
1872 | } | |
1873 | ||
1874 | static int get_machine_list( | |
1875 | sd_bus *bus, | |
1876 | struct machine_info **_machine_infos, | |
1877 | char **patterns) { | |
1878 | ||
1879 | struct machine_info *machine_infos = NULL; | |
1880 | _cleanup_strv_free_ char **m = NULL; | |
1881 | _cleanup_free_ char *hn = NULL; | |
1882 | size_t sz = 0; | |
1883 | char **i; | |
1884 | int c = 0, r; | |
1885 | ||
1886 | hn = gethostname_malloc(); | |
1887 | if (!hn) | |
1888 | return log_oom(); | |
1889 | ||
1890 | if (output_show_machine(hn, patterns)) { | |
1891 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) | |
1892 | return log_oom(); | |
1893 | ||
1894 | machine_infos[c].is_host = true; | |
1895 | machine_infos[c].name = TAKE_PTR(hn); | |
1896 | ||
1897 | (void) get_machine_properties(bus, &machine_infos[c]); | |
1898 | c++; | |
1899 | } | |
1900 | ||
1901 | r = sd_get_machine_names(&m); | |
1902 | if (r < 0) | |
1903 | return log_error_errno(r, "Failed to get machine list: %m"); | |
1904 | ||
1905 | STRV_FOREACH(i, m) { | |
1906 | _cleanup_free_ char *class = NULL; | |
1907 | ||
1908 | if (!output_show_machine(*i, patterns)) | |
1909 | continue; | |
1910 | ||
1911 | sd_machine_get_class(*i, &class); | |
1912 | if (!streq_ptr(class, "container")) | |
1913 | continue; | |
1914 | ||
1915 | if (!GREEDY_REALLOC0(machine_infos, sz, c+1)) { | |
1916 | free_machines_list(machine_infos, c); | |
1917 | return log_oom(); | |
1918 | } | |
1919 | ||
1920 | machine_infos[c].is_host = false; | |
1921 | machine_infos[c].name = strdup(*i); | |
1922 | if (!machine_infos[c].name) { | |
1923 | free_machines_list(machine_infos, c); | |
1924 | return log_oom(); | |
1925 | } | |
1926 | ||
1927 | (void) get_machine_properties(NULL, &machine_infos[c]); | |
1928 | c++; | |
1929 | } | |
1930 | ||
1931 | *_machine_infos = machine_infos; | |
1932 | return c; | |
1933 | } | |
1934 | ||
1935 | static void output_machines_list(struct machine_info *machine_infos, unsigned n) { | |
1936 | struct machine_info *m; | |
1937 | unsigned | |
1938 | circle_len = 0, | |
1939 | namelen = STRLEN("NAME"), | |
1940 | statelen = STRLEN("STATE"), | |
1941 | failedlen = STRLEN("FAILED"), | |
1942 | jobslen = STRLEN("JOBS"); | |
1943 | ||
1944 | assert(machine_infos || n == 0); | |
1945 | ||
1946 | for (m = machine_infos; m < machine_infos + n; m++) { | |
1947 | namelen = MAX(namelen, | |
1948 | strlen(m->name) + (m->is_host ? STRLEN(" (host)") : 0)); | |
1949 | statelen = MAX(statelen, strlen_ptr(m->state)); | |
1950 | failedlen = MAX(failedlen, DECIMAL_STR_WIDTH(m->n_failed_units)); | |
1951 | jobslen = MAX(jobslen, DECIMAL_STR_WIDTH(m->n_jobs)); | |
1952 | ||
1953 | if (!arg_plain && !streq_ptr(m->state, "running")) | |
1954 | circle_len = 2; | |
1955 | } | |
1956 | ||
1957 | if (!arg_no_legend) { | |
1958 | if (circle_len > 0) | |
1959 | fputs(" ", stdout); | |
1960 | ||
1961 | printf("%-*s %-*s %-*s %-*s\n", | |
1962 | namelen, "NAME", | |
1963 | statelen, "STATE", | |
1964 | failedlen, "FAILED", | |
1965 | jobslen, "JOBS"); | |
1966 | } | |
1967 | ||
1968 | for (m = machine_infos; m < machine_infos + n; m++) { | |
1969 | const char *on_state = "", *off_state = ""; | |
1970 | const char *on_failed = "", *off_failed = ""; | |
1971 | bool circle = false; | |
1972 | ||
1973 | if (streq_ptr(m->state, "degraded")) { | |
1974 | on_state = ansi_highlight_red(); | |
1975 | off_state = ansi_normal(); | |
1976 | circle = true; | |
1977 | } else if (!streq_ptr(m->state, "running")) { | |
1978 | on_state = ansi_highlight_yellow(); | |
1979 | off_state = ansi_normal(); | |
1980 | circle = true; | |
1981 | } | |
1982 | ||
1983 | if (m->n_failed_units > 0) { | |
1984 | on_failed = ansi_highlight_red(); | |
1985 | off_failed = ansi_normal(); | |
1986 | } else | |
1987 | on_failed = off_failed = ""; | |
1988 | ||
1989 | if (circle_len > 0) | |
1990 | printf("%s%s%s ", on_state, circle ? special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE) : " ", off_state); | |
1991 | ||
1992 | if (m->is_host) | |
1993 | printf("%-*s (host) %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n", | |
1994 | (int) (namelen - (STRLEN(" (host)"))), | |
1995 | strna(m->name), | |
1996 | on_state, statelen, strna(m->state), off_state, | |
1997 | on_failed, failedlen, m->n_failed_units, off_failed, | |
1998 | jobslen, m->n_jobs); | |
1999 | else | |
2000 | printf("%-*s %s%-*s%s %s%*" PRIu32 "%s %*" PRIu32 "\n", | |
2001 | namelen, strna(m->name), | |
2002 | on_state, statelen, strna(m->state), off_state, | |
2003 | on_failed, failedlen, m->n_failed_units, off_failed, | |
2004 | jobslen, m->n_jobs); | |
2005 | } | |
2006 | ||
2007 | if (!arg_no_legend) | |
2008 | printf("\n%u machines listed.\n", n); | |
2009 | } | |
2010 | ||
2011 | static int list_machines(int argc, char *argv[], void *userdata) { | |
2012 | struct machine_info *machine_infos = NULL; | |
2013 | sd_bus *bus; | |
2014 | int r; | |
2015 | ||
2016 | r = acquire_bus(BUS_MANAGER, &bus); | |
2017 | if (r < 0) | |
2018 | return r; | |
2019 | ||
2020 | r = get_machine_list(bus, &machine_infos, strv_skip(argv, 1)); | |
2021 | if (r < 0) | |
2022 | return r; | |
2023 | ||
2024 | (void) pager_open(arg_pager_flags); | |
2025 | ||
2026 | typesafe_qsort(machine_infos, r, compare_machine_info); | |
2027 | output_machines_list(machine_infos, r); | |
2028 | free_machines_list(machine_infos, r); | |
2029 | ||
2030 | return 0; | |
2031 | } | |
2032 | ||
2033 | static int get_default(int argc, char *argv[], void *userdata) { | |
2034 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2035 | _cleanup_free_ char *_path = NULL; | |
2036 | const char *path; | |
2037 | int r; | |
2038 | ||
2039 | if (install_client_side()) { | |
2040 | r = unit_file_get_default(arg_scope, arg_root, &_path); | |
2041 | if (r < 0) | |
2042 | return log_error_errno(r, "Failed to get default target: %m"); | |
2043 | path = _path; | |
2044 | ||
2045 | r = 0; | |
2046 | } else { | |
2047 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2048 | sd_bus *bus; | |
2049 | ||
2050 | r = acquire_bus(BUS_MANAGER, &bus); | |
2051 | if (r < 0) | |
2052 | return r; | |
2053 | ||
2054 | r = sd_bus_call_method( | |
2055 | bus, | |
2056 | "org.freedesktop.systemd1", | |
2057 | "/org/freedesktop/systemd1", | |
2058 | "org.freedesktop.systemd1.Manager", | |
2059 | "GetDefaultTarget", | |
2060 | &error, | |
2061 | &reply, | |
2062 | NULL); | |
2063 | if (r < 0) | |
2064 | return log_error_errno(r, "Failed to get default target: %s", bus_error_message(&error, r)); | |
2065 | ||
2066 | r = sd_bus_message_read(reply, "s", &path); | |
2067 | if (r < 0) | |
2068 | return bus_log_parse_error(r); | |
2069 | } | |
2070 | ||
2071 | if (path) | |
2072 | printf("%s\n", path); | |
2073 | ||
2074 | return 0; | |
2075 | } | |
2076 | ||
2077 | static int set_default(int argc, char *argv[], void *userdata) { | |
2078 | _cleanup_free_ char *unit = NULL; | |
2079 | UnitFileChange *changes = NULL; | |
2080 | size_t n_changes = 0; | |
2081 | int r; | |
2082 | ||
2083 | assert(argc >= 2); | |
2084 | assert(argv); | |
2085 | ||
2086 | r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &unit); | |
2087 | if (r < 0) | |
2088 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2089 | ||
2090 | if (install_client_side()) { | |
2091 | r = unit_file_set_default(arg_scope, UNIT_FILE_FORCE, arg_root, unit, &changes, &n_changes); | |
2092 | unit_file_dump_changes(r, "set default", changes, n_changes, arg_quiet); | |
2093 | ||
2094 | if (r > 0) | |
2095 | r = 0; | |
2096 | } else { | |
2097 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2098 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2099 | sd_bus *bus; | |
2100 | ||
2101 | polkit_agent_open_maybe(); | |
2102 | ||
2103 | r = acquire_bus(BUS_MANAGER, &bus); | |
2104 | if (r < 0) | |
2105 | return r; | |
2106 | ||
2107 | r = sd_bus_call_method( | |
2108 | bus, | |
2109 | "org.freedesktop.systemd1", | |
2110 | "/org/freedesktop/systemd1", | |
2111 | "org.freedesktop.systemd1.Manager", | |
2112 | "SetDefaultTarget", | |
2113 | &error, | |
2114 | &reply, | |
2115 | "sb", unit, 1); | |
2116 | if (r < 0) | |
2117 | return log_error_errno(r, "Failed to set default target: %s", bus_error_message(&error, r)); | |
2118 | ||
2119 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
2120 | if (r < 0) | |
2121 | goto finish; | |
2122 | ||
2123 | /* Try to reload if enabled */ | |
2124 | if (!arg_no_reload) | |
2125 | r = daemon_reload(argc, argv, userdata); | |
2126 | else | |
2127 | r = 0; | |
2128 | } | |
2129 | ||
2130 | finish: | |
2131 | unit_file_changes_free(changes, n_changes); | |
2132 | ||
2133 | return r; | |
2134 | } | |
2135 | ||
2136 | static int output_waiting_jobs(sd_bus *bus, uint32_t id, const char *method, const char *prefix) { | |
2137 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2138 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2139 | const char *name, *type; | |
2140 | uint32_t other_id; | |
2141 | int r; | |
2142 | ||
2143 | assert(bus); | |
2144 | ||
2145 | r = sd_bus_call_method( | |
2146 | bus, | |
2147 | "org.freedesktop.systemd1", | |
2148 | "/org/freedesktop/systemd1", | |
2149 | "org.freedesktop.systemd1.Manager", | |
2150 | method, | |
2151 | &error, | |
2152 | &reply, | |
2153 | "u", id); | |
2154 | if (r < 0) | |
2155 | return log_debug_errno(r, "Failed to get waiting jobs for job %" PRIu32, id); | |
2156 | ||
2157 | r = sd_bus_message_enter_container(reply, 'a', "(usssoo)"); | |
2158 | if (r < 0) | |
2159 | return bus_log_parse_error(r); | |
2160 | ||
2161 | while ((r = sd_bus_message_read(reply, "(usssoo)", &other_id, &name, &type, NULL, NULL, NULL)) > 0) | |
2162 | printf("%s %u (%s/%s)\n", prefix, other_id, name, type); | |
2163 | if (r < 0) | |
2164 | return bus_log_parse_error(r); | |
2165 | ||
2166 | r = sd_bus_message_exit_container(reply); | |
2167 | if (r < 0) | |
2168 | return bus_log_parse_error(r); | |
2169 | ||
2170 | return 0; | |
2171 | } | |
2172 | ||
2173 | struct job_info { | |
2174 | uint32_t id; | |
2175 | const char *name, *type, *state; | |
2176 | }; | |
2177 | ||
2178 | static void output_jobs_list(sd_bus *bus, const struct job_info* jobs, unsigned n, bool skipped) { | |
2179 | unsigned id_len, unit_len, type_len, state_len; | |
2180 | const struct job_info *j; | |
2181 | const char *on, *off; | |
2182 | bool shorten = false; | |
2183 | ||
2184 | assert(n == 0 || jobs); | |
2185 | ||
2186 | if (n == 0) { | |
2187 | if (!arg_no_legend) { | |
2188 | on = ansi_highlight_green(); | |
2189 | off = ansi_normal(); | |
2190 | ||
2191 | printf("%sNo jobs %s.%s\n", on, skipped ? "listed" : "running", off); | |
2192 | } | |
2193 | return; | |
2194 | } | |
2195 | ||
2196 | (void) pager_open(arg_pager_flags); | |
2197 | ||
2198 | id_len = STRLEN("JOB"); | |
2199 | unit_len = STRLEN("UNIT"); | |
2200 | type_len = STRLEN("TYPE"); | |
2201 | state_len = STRLEN("STATE"); | |
2202 | ||
2203 | for (j = jobs; j < jobs + n; j++) { | |
2204 | uint32_t id = j->id; | |
2205 | assert(j->name && j->type && j->state); | |
2206 | ||
2207 | id_len = MAX(id_len, DECIMAL_STR_WIDTH(id)); | |
2208 | unit_len = MAX(unit_len, strlen(j->name)); | |
2209 | type_len = MAX(type_len, strlen(j->type)); | |
2210 | state_len = MAX(state_len, strlen(j->state)); | |
2211 | } | |
2212 | ||
2213 | if (!arg_full && id_len + 1 + unit_len + type_len + 1 + state_len > columns()) { | |
2214 | unit_len = MAX(33u, columns() - id_len - type_len - state_len - 3); | |
2215 | shorten = true; | |
2216 | } | |
2217 | ||
2218 | if (!arg_no_legend) | |
2219 | printf("%*s %-*s %-*s %-*s\n", | |
2220 | id_len, "JOB", | |
2221 | unit_len, "UNIT", | |
2222 | type_len, "TYPE", | |
2223 | state_len, "STATE"); | |
2224 | ||
2225 | for (j = jobs; j < jobs + n; j++) { | |
2226 | _cleanup_free_ char *e = NULL; | |
2227 | ||
2228 | if (streq(j->state, "running")) { | |
2229 | on = ansi_highlight(); | |
2230 | off = ansi_normal(); | |
2231 | } else | |
2232 | on = off = ""; | |
2233 | ||
2234 | e = shorten ? ellipsize(j->name, unit_len, 33) : NULL; | |
2235 | printf("%*u %s%-*s%s %-*s %s%-*s%s\n", | |
2236 | id_len, j->id, | |
2237 | on, unit_len, e ? e : j->name, off, | |
2238 | type_len, j->type, | |
2239 | on, state_len, j->state, off); | |
2240 | ||
2241 | if (arg_jobs_after) | |
2242 | output_waiting_jobs(bus, j->id, "GetJobAfter", "\twaiting for job"); | |
2243 | if (arg_jobs_before) | |
2244 | output_waiting_jobs(bus, j->id, "GetJobBefore", "\tblocking job"); | |
2245 | } | |
2246 | ||
2247 | if (!arg_no_legend) { | |
2248 | on = ansi_highlight(); | |
2249 | off = ansi_normal(); | |
2250 | ||
2251 | printf("\n%s%u jobs listed%s.\n", on, n, off); | |
2252 | } | |
2253 | } | |
2254 | ||
2255 | static bool output_show_job(struct job_info *job, char **patterns) { | |
2256 | return strv_fnmatch_or_empty(patterns, job->name, FNM_NOESCAPE); | |
2257 | } | |
2258 | ||
2259 | static int list_jobs(int argc, char *argv[], void *userdata) { | |
2260 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2261 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2262 | _cleanup_free_ struct job_info *jobs = NULL; | |
2263 | const char *name, *type, *state; | |
2264 | bool skipped = false; | |
2265 | size_t size = 0; | |
2266 | unsigned c = 0; | |
2267 | sd_bus *bus; | |
2268 | uint32_t id; | |
2269 | int r; | |
2270 | ||
2271 | r = acquire_bus(BUS_MANAGER, &bus); | |
2272 | if (r < 0) | |
2273 | return r; | |
2274 | ||
2275 | r = sd_bus_call_method( | |
2276 | bus, | |
2277 | "org.freedesktop.systemd1", | |
2278 | "/org/freedesktop/systemd1", | |
2279 | "org.freedesktop.systemd1.Manager", | |
2280 | "ListJobs", | |
2281 | &error, | |
2282 | &reply, | |
2283 | NULL); | |
2284 | if (r < 0) | |
2285 | return log_error_errno(r, "Failed to list jobs: %s", bus_error_message(&error, r)); | |
2286 | ||
2287 | r = sd_bus_message_enter_container(reply, 'a', "(usssoo)"); | |
2288 | if (r < 0) | |
2289 | return bus_log_parse_error(r); | |
2290 | ||
2291 | while ((r = sd_bus_message_read(reply, "(usssoo)", &id, &name, &type, &state, NULL, NULL)) > 0) { | |
2292 | struct job_info job = { id, name, type, state }; | |
2293 | ||
2294 | if (!output_show_job(&job, strv_skip(argv, 1))) { | |
2295 | skipped = true; | |
2296 | continue; | |
2297 | } | |
2298 | ||
2299 | if (!GREEDY_REALLOC(jobs, size, c + 1)) | |
2300 | return log_oom(); | |
2301 | ||
2302 | jobs[c++] = job; | |
2303 | } | |
2304 | if (r < 0) | |
2305 | return bus_log_parse_error(r); | |
2306 | ||
2307 | r = sd_bus_message_exit_container(reply); | |
2308 | if (r < 0) | |
2309 | return bus_log_parse_error(r); | |
2310 | ||
2311 | (void) pager_open(arg_pager_flags); | |
2312 | ||
2313 | output_jobs_list(bus, jobs, c, skipped); | |
2314 | return 0; | |
2315 | } | |
2316 | ||
2317 | static int cancel_job(int argc, char *argv[], void *userdata) { | |
2318 | sd_bus *bus; | |
2319 | char **name; | |
2320 | int r = 0; | |
2321 | ||
2322 | if (argc <= 1) | |
2323 | return trivial_method(argc, argv, userdata); | |
2324 | ||
2325 | r = acquire_bus(BUS_MANAGER, &bus); | |
2326 | if (r < 0) | |
2327 | return r; | |
2328 | ||
2329 | polkit_agent_open_maybe(); | |
2330 | ||
2331 | STRV_FOREACH(name, strv_skip(argv, 1)) { | |
2332 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2333 | uint32_t id; | |
2334 | int q; | |
2335 | ||
2336 | q = safe_atou32(*name, &id); | |
2337 | if (q < 0) | |
2338 | return log_error_errno(q, "Failed to parse job id \"%s\": %m", *name); | |
2339 | ||
2340 | q = sd_bus_call_method( | |
2341 | bus, | |
2342 | "org.freedesktop.systemd1", | |
2343 | "/org/freedesktop/systemd1", | |
2344 | "org.freedesktop.systemd1.Manager", | |
2345 | "CancelJob", | |
2346 | &error, | |
2347 | NULL, | |
2348 | "u", id); | |
2349 | if (q < 0) { | |
2350 | log_error_errno(q, "Failed to cancel job %"PRIu32": %s", id, bus_error_message(&error, q)); | |
2351 | if (r == 0) | |
2352 | r = q; | |
2353 | } | |
2354 | } | |
2355 | ||
2356 | return r; | |
2357 | } | |
2358 | ||
2359 | static int need_daemon_reload(sd_bus *bus, const char *unit) { | |
2360 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2361 | const char *path; | |
2362 | int b, r; | |
2363 | ||
2364 | /* We ignore all errors here, since this is used to show a | |
2365 | * warning only */ | |
2366 | ||
2367 | /* We don't use unit_dbus_path_from_name() directly since we | |
2368 | * don't want to load the unit if it isn't loaded. */ | |
2369 | ||
2370 | r = sd_bus_call_method( | |
2371 | bus, | |
2372 | "org.freedesktop.systemd1", | |
2373 | "/org/freedesktop/systemd1", | |
2374 | "org.freedesktop.systemd1.Manager", | |
2375 | "GetUnit", | |
2376 | NULL, | |
2377 | &reply, | |
2378 | "s", unit); | |
2379 | if (r < 0) | |
2380 | return r; | |
2381 | ||
2382 | r = sd_bus_message_read(reply, "o", &path); | |
2383 | if (r < 0) | |
2384 | return r; | |
2385 | ||
2386 | r = sd_bus_get_property_trivial( | |
2387 | bus, | |
2388 | "org.freedesktop.systemd1", | |
2389 | path, | |
2390 | "org.freedesktop.systemd1.Unit", | |
2391 | "NeedDaemonReload", | |
2392 | NULL, | |
2393 | 'b', &b); | |
2394 | if (r < 0) | |
2395 | return r; | |
2396 | ||
2397 | return b; | |
2398 | } | |
2399 | ||
2400 | static void warn_unit_file_changed(const char *name) { | |
2401 | assert(name); | |
2402 | ||
2403 | log_warning("%sWarning:%s The unit file, source configuration file or drop-ins of %s changed on disk. Run 'systemctl%s daemon-reload' to reload units.", | |
2404 | ansi_highlight_red(), | |
2405 | ansi_normal(), | |
2406 | name, | |
2407 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user"); | |
2408 | } | |
2409 | ||
2410 | static int unit_file_find_path(LookupPaths *lp, const char *unit_name, char **ret_unit_path) { | |
2411 | char **p; | |
2412 | ||
2413 | assert(lp); | |
2414 | assert(unit_name); | |
2415 | ||
2416 | STRV_FOREACH(p, lp->search_path) { | |
2417 | _cleanup_free_ char *path = NULL, *lpath = NULL; | |
2418 | int r; | |
2419 | ||
2420 | path = path_join(*p, unit_name); | |
2421 | if (!path) | |
2422 | return log_oom(); | |
2423 | ||
2424 | r = chase_symlinks(path, arg_root, 0, &lpath); | |
2425 | if (r == -ENOENT) | |
2426 | continue; | |
2427 | if (r == -ENOMEM) | |
2428 | return log_oom(); | |
2429 | if (r < 0) | |
2430 | return log_error_errno(r, "Failed to access path \"%s\": %m", path); | |
2431 | ||
2432 | if (ret_unit_path) | |
2433 | *ret_unit_path = TAKE_PTR(lpath); | |
2434 | ||
2435 | return 1; | |
2436 | } | |
2437 | ||
2438 | if (ret_unit_path) | |
2439 | *ret_unit_path = NULL; | |
2440 | ||
2441 | return 0; | |
2442 | } | |
2443 | ||
2444 | static int unit_find_template_path( | |
2445 | const char *unit_name, | |
2446 | LookupPaths *lp, | |
2447 | char **ret_fragment_path, | |
2448 | char **ret_template) { | |
2449 | ||
2450 | _cleanup_free_ char *t = NULL, *f = NULL; | |
2451 | int r; | |
2452 | ||
2453 | /* Returns 1 if a fragment was found, 0 if not found, negative on error. */ | |
2454 | ||
2455 | r = unit_file_find_path(lp, unit_name, &f); | |
2456 | if (r < 0) | |
2457 | return r; | |
2458 | if (r > 0) { | |
2459 | if (ret_fragment_path) | |
2460 | *ret_fragment_path = TAKE_PTR(f); | |
2461 | if (ret_template) | |
2462 | *ret_template = NULL; | |
2463 | return r; /* found a real unit */ | |
2464 | } | |
2465 | ||
2466 | r = unit_name_template(unit_name, &t); | |
2467 | if (r == -EINVAL) { | |
2468 | if (ret_fragment_path) | |
2469 | *ret_fragment_path = NULL; | |
2470 | if (ret_template) | |
2471 | *ret_template = NULL; | |
2472 | ||
2473 | return 0; /* not a template, does not exist */ | |
2474 | } | |
2475 | if (r < 0) | |
2476 | return log_error_errno(r, "Failed to determine template name: %m"); | |
2477 | ||
2478 | r = unit_file_find_path(lp, t, ret_fragment_path); | |
2479 | if (r < 0) | |
2480 | return r; | |
2481 | ||
2482 | if (ret_template) | |
2483 | *ret_template = r > 0 ? TAKE_PTR(t) : NULL; | |
2484 | ||
2485 | return r; | |
2486 | } | |
2487 | ||
2488 | static int unit_find_paths( | |
2489 | sd_bus *bus, | |
2490 | const char *unit_name, | |
2491 | LookupPaths *lp, | |
2492 | bool force_client_side, | |
2493 | char **ret_fragment_path, | |
2494 | char ***ret_dropin_paths) { | |
2495 | ||
2496 | _cleanup_strv_free_ char **dropins = NULL; | |
2497 | _cleanup_free_ char *path = NULL; | |
2498 | int r; | |
2499 | ||
2500 | /** | |
2501 | * Finds where the unit is defined on disk. Returns 0 if the unit is not found. Returns 1 if it is found, and | |
2502 | * sets: | |
2503 | * - the path to the unit in *ret_frament_path, if it exists on disk, | |
2504 | * - and a strv of existing drop-ins in *ret_dropin_paths, if the arg is not NULL and any dropins were found. | |
2505 | * | |
2506 | * Returns -ERFKILL if the unit is masked, and -EKEYREJECTED if the unit file could not be loaded for some | |
2507 | * reason (the latter only applies if we are going through the service manager) | |
2508 | */ | |
2509 | ||
2510 | assert(unit_name); | |
2511 | assert(ret_fragment_path); | |
2512 | assert(lp); | |
2513 | ||
2514 | /* Go via the bus to acquire the path, unless we are explicitly told not to, or when the unit name is a template */ | |
2515 | if (!force_client_side && | |
2516 | !install_client_side() && | |
2517 | !unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) { | |
2518 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2519 | _cleanup_free_ char *load_state = NULL, *unit = NULL; | |
2520 | ||
2521 | unit = unit_dbus_path_from_name(unit_name); | |
2522 | if (!unit) | |
2523 | return log_oom(); | |
2524 | ||
2525 | r = sd_bus_get_property_string( | |
2526 | bus, | |
2527 | "org.freedesktop.systemd1", | |
2528 | unit, | |
2529 | "org.freedesktop.systemd1.Unit", | |
2530 | "LoadState", | |
2531 | &error, | |
2532 | &load_state); | |
2533 | if (r < 0) | |
2534 | return log_error_errno(r, "Failed to get LoadState: %s", bus_error_message(&error, r)); | |
2535 | ||
2536 | if (streq(load_state, "masked")) | |
2537 | return -ERFKILL; | |
2538 | if (streq(load_state, "not-found")) { | |
2539 | r = 0; | |
2540 | goto not_found; | |
2541 | } | |
2542 | if (!streq(load_state, "loaded")) | |
2543 | return -EKEYREJECTED; | |
2544 | ||
2545 | r = sd_bus_get_property_string( | |
2546 | bus, | |
2547 | "org.freedesktop.systemd1", | |
2548 | unit, | |
2549 | "org.freedesktop.systemd1.Unit", | |
2550 | "FragmentPath", | |
2551 | &error, | |
2552 | &path); | |
2553 | if (r < 0) | |
2554 | return log_error_errno(r, "Failed to get FragmentPath: %s", bus_error_message(&error, r)); | |
2555 | ||
2556 | if (ret_dropin_paths) { | |
2557 | r = sd_bus_get_property_strv( | |
2558 | bus, | |
2559 | "org.freedesktop.systemd1", | |
2560 | unit, | |
2561 | "org.freedesktop.systemd1.Unit", | |
2562 | "DropInPaths", | |
2563 | &error, | |
2564 | &dropins); | |
2565 | if (r < 0) | |
2566 | return log_error_errno(r, "Failed to get DropInPaths: %s", bus_error_message(&error, r)); | |
2567 | } | |
2568 | } else { | |
2569 | _cleanup_set_free_ Set *names = NULL; | |
2570 | _cleanup_free_ char *template = NULL; | |
2571 | ||
2572 | names = set_new(NULL); | |
2573 | if (!names) | |
2574 | return log_oom(); | |
2575 | ||
2576 | r = unit_find_template_path(unit_name, lp, &path, &template); | |
2577 | if (r < 0) | |
2578 | return r; | |
2579 | if (r > 0) { | |
2580 | if (null_or_empty_path(path)) | |
2581 | /* The template is masked. Let's cut the process short. */ | |
2582 | return -ERFKILL; | |
2583 | ||
2584 | /* We found the unit file. If we followed symlinks, this name might be | |
2585 | * different then the unit_name with started with. Look for dropins matching | |
2586 | * that "final" name. */ | |
2587 | r = set_put(names, basename(path)); | |
2588 | } else if (!template) | |
2589 | /* No unit file, let's look for dropins matching the original name. | |
2590 | * systemd has fairly complicated rules (based on unit type and provenience), | |
2591 | * which units are allowed not to have the main unit file. We err on the | |
2592 | * side of including too many files, and always try to load dropins. */ | |
2593 | r = set_put(names, unit_name); | |
2594 | else | |
2595 | /* The cases where we allow a unit to exist without the main file are | |
2596 | * never valid for templates. Don't try to load dropins in this case. */ | |
2597 | goto not_found; | |
2598 | ||
2599 | if (r < 0) | |
2600 | return log_error_errno(r, "Failed to add unit name: %m"); | |
2601 | ||
2602 | if (ret_dropin_paths) { | |
2603 | r = unit_file_find_dropin_conf_paths(arg_root, lp->search_path, NULL, names, &dropins); | |
2604 | if (r < 0) | |
2605 | return r; | |
2606 | } | |
2607 | } | |
2608 | ||
2609 | r = 0; | |
2610 | ||
2611 | if (!isempty(path)) { | |
2612 | *ret_fragment_path = TAKE_PTR(path); | |
2613 | r = 1; | |
2614 | } else | |
2615 | *ret_fragment_path = NULL; | |
2616 | ||
2617 | if (ret_dropin_paths) { | |
2618 | if (!strv_isempty(dropins)) { | |
2619 | *ret_dropin_paths = TAKE_PTR(dropins); | |
2620 | r = 1; | |
2621 | } else | |
2622 | *ret_dropin_paths = NULL; | |
2623 | } | |
2624 | ||
2625 | not_found: | |
2626 | if (r == 0 && !arg_force) | |
2627 | log_error("No files found for %s.", unit_name); | |
2628 | ||
2629 | return r; | |
2630 | } | |
2631 | ||
2632 | static int get_state_one_unit(sd_bus *bus, const char *name, UnitActiveState *active_state) { | |
2633 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2634 | _cleanup_free_ char *buf = NULL, *path = NULL; | |
2635 | UnitActiveState state; | |
2636 | int r; | |
2637 | ||
2638 | assert(name); | |
2639 | assert(active_state); | |
2640 | ||
2641 | path = unit_dbus_path_from_name(name); | |
2642 | if (!path) | |
2643 | return log_oom(); | |
2644 | ||
2645 | r = sd_bus_get_property_string( | |
2646 | bus, | |
2647 | "org.freedesktop.systemd1", | |
2648 | path, | |
2649 | "org.freedesktop.systemd1.Unit", | |
2650 | "ActiveState", | |
2651 | &error, | |
2652 | &buf); | |
2653 | if (r < 0) | |
2654 | return log_error_errno(r, "Failed to retrieve unit state: %s", bus_error_message(&error, r)); | |
2655 | ||
2656 | state = unit_active_state_from_string(buf); | |
2657 | if (state < 0) | |
2658 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit state '%s' for: %s", buf, name); | |
2659 | ||
2660 | *active_state = state; | |
2661 | return 0; | |
2662 | } | |
2663 | ||
2664 | static int unit_is_masked(sd_bus *bus, LookupPaths *lp, const char *name) { | |
2665 | _cleanup_free_ char *load_state = NULL; | |
2666 | int r; | |
2667 | ||
2668 | if (unit_name_is_valid(name, UNIT_NAME_TEMPLATE)) { | |
2669 | _cleanup_free_ char *path = NULL; | |
2670 | ||
2671 | /* A template cannot be loaded, but it can be still masked, so | |
2672 | * we need to use a different method. */ | |
2673 | ||
2674 | r = unit_file_find_path(lp, name, &path); | |
2675 | if (r < 0) | |
2676 | return r; | |
2677 | if (r == 0) | |
2678 | return false; | |
2679 | return null_or_empty_path(path); | |
2680 | } | |
2681 | ||
2682 | r = unit_load_state(bus, name, &load_state); | |
2683 | if (r < 0) | |
2684 | return r; | |
2685 | ||
2686 | return streq(load_state, "masked"); | |
2687 | } | |
2688 | ||
2689 | static int check_triggering_units(sd_bus *bus, const char *name) { | |
2690 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2691 | _cleanup_free_ char *n = NULL, *path = NULL, *load_state = NULL; | |
2692 | _cleanup_strv_free_ char **triggered_by = NULL; | |
2693 | bool print_warning_label = true; | |
2694 | UnitActiveState active_state; | |
2695 | char **i; | |
2696 | int r; | |
2697 | ||
2698 | r = unit_name_mangle(name, 0, &n); | |
2699 | if (r < 0) | |
2700 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
2701 | ||
2702 | r = unit_load_state(bus, name, &load_state); | |
2703 | if (r < 0) | |
2704 | return r; | |
2705 | ||
2706 | if (streq(load_state, "masked")) | |
2707 | return 0; | |
2708 | ||
2709 | path = unit_dbus_path_from_name(n); | |
2710 | if (!path) | |
2711 | return log_oom(); | |
2712 | ||
2713 | r = sd_bus_get_property_strv( | |
2714 | bus, | |
2715 | "org.freedesktop.systemd1", | |
2716 | path, | |
2717 | "org.freedesktop.systemd1.Unit", | |
2718 | "TriggeredBy", | |
2719 | &error, | |
2720 | &triggered_by); | |
2721 | if (r < 0) | |
2722 | return log_error_errno(r, "Failed to get triggered by array of %s: %s", n, bus_error_message(&error, r)); | |
2723 | ||
2724 | STRV_FOREACH(i, triggered_by) { | |
2725 | r = get_state_one_unit(bus, *i, &active_state); | |
2726 | if (r < 0) | |
2727 | return r; | |
2728 | ||
2729 | if (!IN_SET(active_state, UNIT_ACTIVE, UNIT_RELOADING)) | |
2730 | continue; | |
2731 | ||
2732 | if (print_warning_label) { | |
2733 | log_warning("Warning: Stopping %s, but it can still be activated by:", n); | |
2734 | print_warning_label = false; | |
2735 | } | |
2736 | ||
2737 | log_warning(" %s", *i); | |
2738 | } | |
2739 | ||
2740 | return 0; | |
2741 | } | |
2742 | ||
2743 | static const struct { | |
2744 | const char *verb; /* systemctl verb */ | |
2745 | const char *method; /* Name of the specific D-Bus method */ | |
2746 | const char *job_type; /* Job type when passing to the generic EnqueueUnitJob() method */ | |
2747 | } unit_actions[] = { | |
2748 | { "start", "StartUnit", "start" }, | |
2749 | { "stop", "StopUnit", "stop" }, | |
2750 | { "condstop", "StopUnit", "stop" }, /* legacy alias */ | |
2751 | { "reload", "ReloadUnit", "reload" }, | |
2752 | { "restart", "RestartUnit", "restart" }, | |
2753 | { "try-restart", "TryRestartUnit", "try-restart" }, | |
2754 | { "condrestart", "TryRestartUnit", "try-restart" }, /* legacy alias */ | |
2755 | { "reload-or-restart", "ReloadOrRestartUnit", "reload-or-restart" }, | |
2756 | { "try-reload-or-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, | |
2757 | { "reload-or-try-restart", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */ | |
2758 | { "condreload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */ | |
2759 | { "force-reload", "ReloadOrTryRestartUnit", "reload-or-try-restart" }, /* legacy alias */ | |
2760 | }; | |
2761 | ||
2762 | static const char *verb_to_method(const char *verb) { | |
2763 | size_t i; | |
2764 | ||
2765 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2766 | if (streq_ptr(unit_actions[i].verb, verb)) | |
2767 | return unit_actions[i].method; | |
2768 | ||
2769 | return "StartUnit"; | |
2770 | } | |
2771 | ||
2772 | static const char *verb_to_job_type(const char *verb) { | |
2773 | size_t i; | |
2774 | ||
2775 | for (i = 0; i < ELEMENTSOF(unit_actions); i++) | |
2776 | if (streq_ptr(unit_actions[i].verb, verb)) | |
2777 | return unit_actions[i].job_type; | |
2778 | ||
2779 | return "start"; | |
2780 | } | |
2781 | ||
2782 | typedef struct { | |
2783 | sd_bus_slot *match; | |
2784 | sd_event *event; | |
2785 | Set *unit_paths; | |
2786 | bool any_failed; | |
2787 | } WaitContext; | |
2788 | ||
2789 | static void wait_context_free(WaitContext *c) { | |
2790 | c->match = sd_bus_slot_unref(c->match); | |
2791 | c->event = sd_event_unref(c->event); | |
2792 | c->unit_paths = set_free_free(c->unit_paths); | |
2793 | } | |
2794 | ||
2795 | static int on_properties_changed(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
2796 | const char *path, *interface, *active_state = NULL, *job_path = NULL; | |
2797 | WaitContext *c = userdata; | |
2798 | bool is_failed; | |
2799 | int r; | |
2800 | ||
2801 | /* Called whenever we get a PropertiesChanged signal. Checks if ActiveState changed to inactive/failed. | |
2802 | * | |
2803 | * Signal parameters: (s interface, a{sv} changed_properties, as invalidated_properties) */ | |
2804 | ||
2805 | path = sd_bus_message_get_path(m); | |
2806 | if (!set_contains(c->unit_paths, path)) | |
2807 | return 0; | |
2808 | ||
2809 | r = sd_bus_message_read(m, "s", &interface); | |
2810 | if (r < 0) | |
2811 | return bus_log_parse_error(r); | |
2812 | ||
2813 | if (!streq(interface, "org.freedesktop.systemd1.Unit")) /* ActiveState is on the Unit interface */ | |
2814 | return 0; | |
2815 | ||
2816 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "{sv}"); | |
2817 | if (r < 0) | |
2818 | return bus_log_parse_error(r); | |
2819 | ||
2820 | for (;;) { | |
2821 | const char *s; | |
2822 | ||
2823 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_DICT_ENTRY, "sv"); | |
2824 | if (r < 0) | |
2825 | return bus_log_parse_error(r); | |
2826 | if (r == 0) /* end of array */ | |
2827 | break; | |
2828 | ||
2829 | r = sd_bus_message_read(m, "s", &s); /* Property name */ | |
2830 | if (r < 0) | |
2831 | return bus_log_parse_error(r); | |
2832 | ||
2833 | if (streq(s, "ActiveState")) { | |
2834 | r = sd_bus_message_read(m, "v", "s", &active_state); | |
2835 | if (r < 0) | |
2836 | return bus_log_parse_error(r); | |
2837 | ||
2838 | if (job_path) /* Found everything we need */ | |
2839 | break; | |
2840 | ||
2841 | } else if (streq(s, "Job")) { | |
2842 | uint32_t job_id; | |
2843 | ||
2844 | r = sd_bus_message_read(m, "v", "(uo)", &job_id, &job_path); | |
2845 | if (r < 0) | |
2846 | return bus_log_parse_error(r); | |
2847 | ||
2848 | /* There's still a job pending for this unit, let's ignore this for now, and return right-away. */ | |
2849 | if (job_id != 0) | |
2850 | return 0; | |
2851 | ||
2852 | if (active_state) /* Found everything we need */ | |
2853 | break; | |
2854 | ||
2855 | } else { | |
2856 | r = sd_bus_message_skip(m, "v"); /* Other property */ | |
2857 | if (r < 0) | |
2858 | return bus_log_parse_error(r); | |
2859 | } | |
2860 | ||
2861 | r = sd_bus_message_exit_container(m); | |
2862 | if (r < 0) | |
2863 | return bus_log_parse_error(r); | |
2864 | } | |
2865 | ||
2866 | /* If this didn't contain the ActiveState property we can't do anything */ | |
2867 | if (!active_state) | |
2868 | return 0; | |
2869 | ||
2870 | is_failed = streq(active_state, "failed"); | |
2871 | if (streq(active_state, "inactive") || is_failed) { | |
2872 | log_debug("%s became %s, dropping from --wait tracking", path, active_state); | |
2873 | free(set_remove(c->unit_paths, path)); | |
2874 | c->any_failed = c->any_failed || is_failed; | |
2875 | } else | |
2876 | log_debug("ActiveState on %s changed to %s", path, active_state); | |
2877 | ||
2878 | if (set_isempty(c->unit_paths)) | |
2879 | sd_event_exit(c->event, EXIT_SUCCESS); | |
2880 | ||
2881 | return 0; | |
2882 | } | |
2883 | ||
2884 | static int wait_context_watch( | |
2885 | WaitContext *wait_context, | |
2886 | sd_bus *bus, | |
2887 | const char *name) { | |
2888 | ||
2889 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
2890 | _cleanup_free_ char *unit_path = NULL; | |
2891 | int r; | |
2892 | ||
2893 | assert(wait_context); | |
2894 | assert(name); | |
2895 | ||
2896 | log_debug("Watching for property changes of %s", name); | |
2897 | r = sd_bus_call_method( | |
2898 | bus, | |
2899 | "org.freedesktop.systemd1", | |
2900 | "/org/freedesktop/systemd1", | |
2901 | "org.freedesktop.systemd1.Manager", | |
2902 | "RefUnit", | |
2903 | &error, | |
2904 | NULL, | |
2905 | "s", name); | |
2906 | if (r < 0) | |
2907 | return log_error_errno(r, "Failed to add reference to unit %s: %s", name, bus_error_message(&error, r)); | |
2908 | ||
2909 | unit_path = unit_dbus_path_from_name(name); | |
2910 | if (!unit_path) | |
2911 | return log_oom(); | |
2912 | ||
2913 | r = set_ensure_allocated(&wait_context->unit_paths, &string_hash_ops); | |
2914 | if (r < 0) | |
2915 | return log_oom(); | |
2916 | ||
2917 | r = set_put_strdup(wait_context->unit_paths, unit_path); | |
2918 | if (r < 0) | |
2919 | return log_error_errno(r, "Failed to add unit path %s to set: %m", unit_path); | |
2920 | ||
2921 | r = sd_bus_match_signal_async(bus, | |
2922 | &wait_context->match, | |
2923 | NULL, | |
2924 | unit_path, | |
2925 | "org.freedesktop.DBus.Properties", | |
2926 | "PropertiesChanged", | |
2927 | on_properties_changed, NULL, wait_context); | |
2928 | if (r < 0) | |
2929 | return log_error_errno(r, "Failed to request match for PropertiesChanged signal: %m"); | |
2930 | ||
2931 | return 0; | |
2932 | } | |
2933 | ||
2934 | static int start_unit_one( | |
2935 | sd_bus *bus, | |
2936 | const char *method, /* When using classic per-job bus methods */ | |
2937 | const char *job_type, /* When using new-style EnqueueUnitJob() */ | |
2938 | const char *name, | |
2939 | const char *mode, | |
2940 | sd_bus_error *error, | |
2941 | BusWaitForJobs *w, | |
2942 | WaitContext *wait_context) { | |
2943 | ||
2944 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
2945 | const char *path; | |
2946 | bool done = false; | |
2947 | int r; | |
2948 | ||
2949 | assert(method); | |
2950 | assert(name); | |
2951 | assert(mode); | |
2952 | assert(error); | |
2953 | ||
2954 | if (wait_context) { | |
2955 | r = wait_context_watch(wait_context, bus, name); | |
2956 | if (r < 0) | |
2957 | return r; | |
2958 | } | |
2959 | ||
2960 | log_debug("%s dbus call org.freedesktop.systemd1.Manager %s(%s, %s)", | |
2961 | arg_dry_run ? "Would execute" : "Executing", | |
2962 | method, name, mode); | |
2963 | ||
2964 | if (arg_dry_run) | |
2965 | return 0; | |
2966 | ||
2967 | if (arg_show_transaction) { | |
2968 | _cleanup_(sd_bus_error_free) sd_bus_error enqueue_error = SD_BUS_ERROR_NULL; | |
2969 | ||
2970 | /* Use the new, fancy EnqueueUnitJob() API if the user wants us to print the transaction */ | |
2971 | r = sd_bus_call_method( | |
2972 | bus, | |
2973 | "org.freedesktop.systemd1", | |
2974 | "/org/freedesktop/systemd1", | |
2975 | "org.freedesktop.systemd1.Manager", | |
2976 | "EnqueueUnitJob", | |
2977 | &enqueue_error, | |
2978 | &reply, | |
2979 | "sss", | |
2980 | name, job_type, mode); | |
2981 | if (r < 0) { | |
2982 | if (!sd_bus_error_has_name(&enqueue_error, SD_BUS_ERROR_UNKNOWN_METHOD)) { | |
2983 | (void) sd_bus_error_move(error, &enqueue_error); | |
2984 | goto fail; | |
2985 | } | |
2986 | ||
2987 | /* Hmm, the API is not yet available. Let's use the classic API instead (see below). */ | |
2988 | log_notice("--show-transaction not supported by this service manager, proceeding without."); | |
2989 | } else { | |
2990 | const char *u, *jt; | |
2991 | uint32_t id; | |
2992 | ||
2993 | r = sd_bus_message_read(reply, "uosos", &id, &path, &u, NULL, &jt); | |
2994 | if (r < 0) | |
2995 | return bus_log_parse_error(r); | |
2996 | ||
2997 | log_info("Enqueued anchor job %" PRIu32 " %s/%s.", id, u, jt); | |
2998 | ||
2999 | r = sd_bus_message_enter_container(reply, 'a', "(uosos)"); | |
3000 | if (r < 0) | |
3001 | return bus_log_parse_error(r); | |
3002 | for (;;) { | |
3003 | r = sd_bus_message_read(reply, "(uosos)", &id, NULL, &u, NULL, &jt); | |
3004 | if (r < 0) | |
3005 | return bus_log_parse_error(r); | |
3006 | if (r == 0) | |
3007 | break; | |
3008 | ||
3009 | log_info("Enqueued auxiliary job %" PRIu32 " %s/%s.", id, u, jt); | |
3010 | } | |
3011 | ||
3012 | r = sd_bus_message_exit_container(reply); | |
3013 | if (r < 0) | |
3014 | return bus_log_parse_error(r); | |
3015 | ||
3016 | done = true; | |
3017 | } | |
3018 | } | |
3019 | ||
3020 | if (!done) { | |
3021 | r = sd_bus_call_method( | |
3022 | bus, | |
3023 | "org.freedesktop.systemd1", | |
3024 | "/org/freedesktop/systemd1", | |
3025 | "org.freedesktop.systemd1.Manager", | |
3026 | method, | |
3027 | error, | |
3028 | &reply, | |
3029 | "ss", name, mode); | |
3030 | if (r < 0) | |
3031 | goto fail; | |
3032 | ||
3033 | r = sd_bus_message_read(reply, "o", &path); | |
3034 | if (r < 0) | |
3035 | return bus_log_parse_error(r); | |
3036 | } | |
3037 | ||
3038 | if (need_daemon_reload(bus, name) > 0) | |
3039 | warn_unit_file_changed(name); | |
3040 | ||
3041 | if (w) { | |
3042 | log_debug("Adding %s to the set", path); | |
3043 | r = bus_wait_for_jobs_add(w, path); | |
3044 | if (r < 0) | |
3045 | return log_error_errno(r, "Failed to watch job for %s: %m", name); | |
3046 | } | |
3047 | ||
3048 | return 0; | |
3049 | ||
3050 | fail: | |
3051 | /* There's always a fallback possible for legacy actions. */ | |
3052 | if (arg_action != ACTION_SYSTEMCTL) | |
3053 | return r; | |
3054 | ||
3055 | log_error_errno(r, "Failed to %s %s: %s", job_type, name, bus_error_message(error, r)); | |
3056 | ||
3057 | if (!sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) && | |
3058 | !sd_bus_error_has_name(error, BUS_ERROR_UNIT_MASKED) && | |
3059 | !sd_bus_error_has_name(error, BUS_ERROR_JOB_TYPE_NOT_APPLICABLE)) | |
3060 | log_error("See %s logs and 'systemctl%s status%s %s' for details.", | |
3061 | arg_scope == UNIT_FILE_SYSTEM ? "system" : "user", | |
3062 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user", | |
3063 | name[0] == '-' ? " --" : "", | |
3064 | name); | |
3065 | ||
3066 | return r; | |
3067 | } | |
3068 | ||
3069 | static int expand_names(sd_bus *bus, char **names, const char* suffix, char ***ret) { | |
3070 | _cleanup_strv_free_ char **mangled = NULL, **globs = NULL; | |
3071 | char **name; | |
3072 | int r, i; | |
3073 | ||
3074 | assert(bus); | |
3075 | assert(ret); | |
3076 | ||
3077 | STRV_FOREACH(name, names) { | |
3078 | char *t; | |
3079 | UnitNameMangle options = UNIT_NAME_MANGLE_GLOB | (arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN); | |
3080 | ||
3081 | if (suffix) | |
3082 | r = unit_name_mangle_with_suffix(*name, options, suffix, &t); | |
3083 | else | |
3084 | r = unit_name_mangle(*name, options, &t); | |
3085 | if (r < 0) | |
3086 | return log_error_errno(r, "Failed to mangle name: %m"); | |
3087 | ||
3088 | if (string_is_glob(t)) | |
3089 | r = strv_consume(&globs, t); | |
3090 | else | |
3091 | r = strv_consume(&mangled, t); | |
3092 | if (r < 0) | |
3093 | return log_oom(); | |
3094 | } | |
3095 | ||
3096 | /* Query the manager only if any of the names are a glob, since | |
3097 | * this is fairly expensive */ | |
3098 | if (!strv_isempty(globs)) { | |
3099 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
3100 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
3101 | size_t allocated, n; | |
3102 | ||
3103 | r = get_unit_list(bus, NULL, globs, &unit_infos, 0, &reply); | |
3104 | if (r < 0) | |
3105 | return r; | |
3106 | ||
3107 | n = strv_length(mangled); | |
3108 | allocated = n + 1; | |
3109 | ||
3110 | for (i = 0; i < r; i++) { | |
3111 | if (!GREEDY_REALLOC(mangled, allocated, n+2)) | |
3112 | return log_oom(); | |
3113 | ||
3114 | mangled[n] = strdup(unit_infos[i].id); | |
3115 | if (!mangled[n]) | |
3116 | return log_oom(); | |
3117 | ||
3118 | mangled[++n] = NULL; | |
3119 | } | |
3120 | } | |
3121 | ||
3122 | *ret = TAKE_PTR(mangled); | |
3123 | return 0; | |
3124 | } | |
3125 | ||
3126 | static const struct { | |
3127 | const char *target; | |
3128 | const char *verb; | |
3129 | const char *mode; | |
3130 | } action_table[_ACTION_MAX] = { | |
3131 | [ACTION_HALT] = { SPECIAL_HALT_TARGET, "halt", "replace-irreversibly" }, | |
3132 | [ACTION_POWEROFF] = { SPECIAL_POWEROFF_TARGET, "poweroff", "replace-irreversibly" }, | |
3133 | [ACTION_REBOOT] = { SPECIAL_REBOOT_TARGET, "reboot", "replace-irreversibly" }, | |
3134 | [ACTION_KEXEC] = { SPECIAL_KEXEC_TARGET, "kexec", "replace-irreversibly" }, | |
3135 | [ACTION_RUNLEVEL2] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3136 | [ACTION_RUNLEVEL3] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3137 | [ACTION_RUNLEVEL4] = { SPECIAL_MULTI_USER_TARGET, NULL, "isolate" }, | |
3138 | [ACTION_RUNLEVEL5] = { SPECIAL_GRAPHICAL_TARGET, NULL, "isolate" }, | |
3139 | [ACTION_RESCUE] = { SPECIAL_RESCUE_TARGET, "rescue", "isolate" }, | |
3140 | [ACTION_EMERGENCY] = { SPECIAL_EMERGENCY_TARGET, "emergency", "isolate" }, | |
3141 | [ACTION_DEFAULT] = { SPECIAL_DEFAULT_TARGET, "default", "isolate" }, | |
3142 | [ACTION_EXIT] = { SPECIAL_EXIT_TARGET, "exit", "replace-irreversibly" }, | |
3143 | [ACTION_SUSPEND] = { SPECIAL_SUSPEND_TARGET, "suspend", "replace-irreversibly" }, | |
3144 | [ACTION_HIBERNATE] = { SPECIAL_HIBERNATE_TARGET, "hibernate", "replace-irreversibly" }, | |
3145 | [ACTION_HYBRID_SLEEP] = { SPECIAL_HYBRID_SLEEP_TARGET, "hybrid-sleep", "replace-irreversibly" }, | |
3146 | [ACTION_SUSPEND_THEN_HIBERNATE] = { SPECIAL_SUSPEND_THEN_HIBERNATE_TARGET, "suspend-then-hibernate", "replace-irreversibly" }, | |
3147 | }; | |
3148 | ||
3149 | static enum action verb_to_action(const char *verb) { | |
3150 | enum action i; | |
3151 | ||
3152 | for (i = 0; i < _ACTION_MAX; i++) | |
3153 | if (streq_ptr(action_table[i].verb, verb)) | |
3154 | return i; | |
3155 | ||
3156 | return _ACTION_INVALID; | |
3157 | } | |
3158 | ||
3159 | static const char** make_extra_args(const char *extra_args[static 4]) { | |
3160 | size_t n = 0; | |
3161 | ||
3162 | if (arg_scope != UNIT_FILE_SYSTEM) | |
3163 | extra_args[n++] = "--user"; | |
3164 | ||
3165 | if (arg_transport == BUS_TRANSPORT_REMOTE) { | |
3166 | extra_args[n++] = "-H"; | |
3167 | extra_args[n++] = arg_host; | |
3168 | } else if (arg_transport == BUS_TRANSPORT_MACHINE) { | |
3169 | extra_args[n++] = "-M"; | |
3170 | extra_args[n++] = arg_host; | |
3171 | } else | |
3172 | assert(arg_transport == BUS_TRANSPORT_LOCAL); | |
3173 | ||
3174 | extra_args[n] = NULL; | |
3175 | return extra_args; | |
3176 | } | |
3177 | ||
3178 | static int start_unit(int argc, char *argv[], void *userdata) { | |
3179 | _cleanup_(bus_wait_for_jobs_freep) BusWaitForJobs *w = NULL; | |
3180 | _cleanup_(wait_context_free) WaitContext wait_context = {}; | |
3181 | const char *method, *job_type, *mode, *one_name, *suffix = NULL; | |
3182 | _cleanup_free_ char **stopped_units = NULL; /* Do not use _cleanup_strv_free_ */ | |
3183 | _cleanup_strv_free_ char **names = NULL; | |
3184 | int r, ret = EXIT_SUCCESS; | |
3185 | sd_bus *bus; | |
3186 | char **name; | |
3187 | ||
3188 | if (arg_wait && !STR_IN_SET(argv[0], "start", "restart")) | |
3189 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
3190 | "--wait may only be used with the 'start' or 'restart' commands."); | |
3191 | ||
3192 | /* we cannot do sender tracking on the private bus, so we need the full | |
3193 | * one for RefUnit to implement --wait */ | |
3194 | r = acquire_bus(arg_wait ? BUS_FULL : BUS_MANAGER, &bus); | |
3195 | if (r < 0) | |
3196 | return r; | |
3197 | ||
3198 | ask_password_agent_open_if_enabled(); | |
3199 | polkit_agent_open_maybe(); | |
3200 | ||
3201 | if (arg_action == ACTION_SYSTEMCTL) { | |
3202 | enum action action; | |
3203 | ||
3204 | action = verb_to_action(argv[0]); | |
3205 | ||
3206 | if (action != _ACTION_INVALID) { | |
3207 | /* A command in style "systemctl reboot", "systemctl poweroff", … */ | |
3208 | method = "StartUnit"; | |
3209 | job_type = "start"; | |
3210 | mode = action_table[action].mode; | |
3211 | one_name = action_table[action].target; | |
3212 | } else { | |
3213 | if (streq(argv[0], "isolate")) { | |
3214 | /* A "systemctl isolate <unit1> <unit2> …" command */ | |
3215 | method = "StartUnit"; | |
3216 | job_type = "start"; | |
3217 | mode = "isolate"; | |
3218 | suffix = ".target"; | |
3219 | } else { | |
3220 | /* A command in style of "systemctl start <unit1> <unit2> …", "sysemctl stop <unit1> <unit2> …" and so on */ | |
3221 | method = verb_to_method(argv[0]); | |
3222 | job_type = verb_to_job_type(argv[0]); | |
3223 | mode = arg_job_mode; | |
3224 | } | |
3225 | one_name = NULL; | |
3226 | } | |
3227 | } else { | |
3228 | /* A SysV legacy command such as "halt", "reboot", "poweroff", … */ | |
3229 | assert(arg_action >= 0 && arg_action < _ACTION_MAX); | |
3230 | assert(action_table[arg_action].target); | |
3231 | assert(action_table[arg_action].mode); | |
3232 | ||
3233 | method = "StartUnit"; | |
3234 | job_type = "start"; | |
3235 | mode = action_table[arg_action].mode; | |
3236 | one_name = action_table[arg_action].target; | |
3237 | } | |
3238 | ||
3239 | if (one_name) { | |
3240 | names = strv_new(one_name); | |
3241 | if (!names) | |
3242 | return log_oom(); | |
3243 | } else { | |
3244 | r = expand_names(bus, strv_skip(argv, 1), suffix, &names); | |
3245 | if (r < 0) | |
3246 | return log_error_errno(r, "Failed to expand names: %m"); | |
3247 | } | |
3248 | ||
3249 | if (!arg_no_block) { | |
3250 | r = bus_wait_for_jobs_new(bus, &w); | |
3251 | if (r < 0) | |
3252 | return log_error_errno(r, "Could not watch jobs: %m"); | |
3253 | } | |
3254 | ||
3255 | if (arg_wait) { | |
3256 | r = sd_bus_call_method_async( | |
3257 | bus, | |
3258 | NULL, | |
3259 | "org.freedesktop.systemd1", | |
3260 | "/org/freedesktop/systemd1", | |
3261 | "org.freedesktop.systemd1.Manager", | |
3262 | "Subscribe", | |
3263 | NULL, NULL, | |
3264 | NULL); | |
3265 | if (r < 0) | |
3266 | return log_error_errno(r, "Failed to enable subscription: %m"); | |
3267 | ||
3268 | r = sd_event_default(&wait_context.event); | |
3269 | if (r < 0) | |
3270 | return log_error_errno(r, "Failed to allocate event loop: %m"); | |
3271 | ||
3272 | r = sd_bus_attach_event(bus, wait_context.event, 0); | |
3273 | if (r < 0) | |
3274 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
3275 | } | |
3276 | ||
3277 | STRV_FOREACH(name, names) { | |
3278 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3279 | ||
3280 | r = start_unit_one(bus, method, job_type, *name, mode, &error, w, arg_wait ? &wait_context : NULL); | |
3281 | if (ret == EXIT_SUCCESS && r < 0) | |
3282 | ret = translate_bus_error_to_exit_status(r, &error); | |
3283 | ||
3284 | if (r >= 0 && streq(method, "StopUnit")) { | |
3285 | r = strv_push(&stopped_units, *name); | |
3286 | if (r < 0) | |
3287 | return log_oom(); | |
3288 | } | |
3289 | } | |
3290 | ||
3291 | if (!arg_no_block) { | |
3292 | const char* extra_args[4]; | |
3293 | ||
3294 | r = bus_wait_for_jobs(w, arg_quiet, make_extra_args(extra_args)); | |
3295 | if (r < 0) | |
3296 | return r; | |
3297 | ||
3298 | /* When stopping units, warn if they can still be triggered by | |
3299 | * another active unit (socket, path, timer) */ | |
3300 | if (!arg_quiet) | |
3301 | STRV_FOREACH(name, stopped_units) | |
3302 | (void) check_triggering_units(bus, *name); | |
3303 | } | |
3304 | ||
3305 | if (ret == EXIT_SUCCESS && arg_wait && !set_isempty(wait_context.unit_paths)) { | |
3306 | r = sd_event_loop(wait_context.event); | |
3307 | if (r < 0) | |
3308 | return log_error_errno(r, "Failed to run event loop: %m"); | |
3309 | if (wait_context.any_failed) | |
3310 | ret = EXIT_FAILURE; | |
3311 | } | |
3312 | ||
3313 | return ret; | |
3314 | } | |
3315 | ||
3316 | #if ENABLE_LOGIND | |
3317 | static int logind_set_wall_message(void) { | |
3318 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3319 | sd_bus *bus; | |
3320 | _cleanup_free_ char *m = NULL; | |
3321 | int r; | |
3322 | ||
3323 | r = acquire_bus(BUS_FULL, &bus); | |
3324 | if (r < 0) | |
3325 | return r; | |
3326 | ||
3327 | m = strv_join(arg_wall, " "); | |
3328 | if (!m) | |
3329 | return log_oom(); | |
3330 | ||
3331 | log_debug("%s wall message \"%s\".", arg_dry_run ? "Would set" : "Setting", m); | |
3332 | if (arg_dry_run) | |
3333 | return 0; | |
3334 | ||
3335 | r = sd_bus_call_method( | |
3336 | bus, | |
3337 | "org.freedesktop.login1", | |
3338 | "/org/freedesktop/login1", | |
3339 | "org.freedesktop.login1.Manager", | |
3340 | "SetWallMessage", | |
3341 | &error, | |
3342 | NULL, | |
3343 | "sb", | |
3344 | m, | |
3345 | !arg_no_wall); | |
3346 | ||
3347 | if (r < 0) | |
3348 | return log_warning_errno(r, "Failed to set wall message, ignoring: %s", bus_error_message(&error, r)); | |
3349 | return 0; | |
3350 | } | |
3351 | #endif | |
3352 | ||
3353 | /* Ask systemd-logind, which might grant access to unprivileged users through polkit */ | |
3354 | static int logind_reboot(enum action a) { | |
3355 | #if ENABLE_LOGIND | |
3356 | static const struct { | |
3357 | const char *method; | |
3358 | const char *description; | |
3359 | } actions[_ACTION_MAX] = { | |
3360 | [ACTION_POWEROFF] = { "PowerOff", "power off system" }, | |
3361 | [ACTION_REBOOT] = { "Reboot", "reboot system" }, | |
3362 | [ACTION_HALT] = { "Halt", "halt system" }, | |
3363 | [ACTION_SUSPEND] = { "Suspend", "suspend system" }, | |
3364 | [ACTION_HIBERNATE] = { "Hibernate", "hibernate system" }, | |
3365 | [ACTION_HYBRID_SLEEP] = { "HybridSleep", "put system into hybrid sleep" }, | |
3366 | [ACTION_SUSPEND_THEN_HIBERNATE] = { "SuspendThenHibernate", "suspend system, hibernate later" }, | |
3367 | }; | |
3368 | ||
3369 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3370 | sd_bus *bus; | |
3371 | int r; | |
3372 | ||
3373 | if (a < 0 || a >= _ACTION_MAX || !actions[a].method) | |
3374 | return -EINVAL; | |
3375 | ||
3376 | r = acquire_bus(BUS_FULL, &bus); | |
3377 | if (r < 0) | |
3378 | return r; | |
3379 | ||
3380 | polkit_agent_open_maybe(); | |
3381 | (void) logind_set_wall_message(); | |
3382 | ||
3383 | log_debug("%s org.freedesktop.login1.Manager %s dbus call.", arg_dry_run ? "Would execute" : "Executing", actions[a].method); | |
3384 | ||
3385 | if (arg_dry_run) | |
3386 | return 0; | |
3387 | ||
3388 | r = sd_bus_call_method( | |
3389 | bus, | |
3390 | "org.freedesktop.login1", | |
3391 | "/org/freedesktop/login1", | |
3392 | "org.freedesktop.login1.Manager", | |
3393 | actions[a].method, | |
3394 | &error, | |
3395 | NULL, | |
3396 | "b", arg_ask_password); | |
3397 | if (r < 0) | |
3398 | return log_error_errno(r, "Failed to %s via logind: %s", actions[a].description, bus_error_message(&error, r)); | |
3399 | ||
3400 | return 0; | |
3401 | #else | |
3402 | return -ENOSYS; | |
3403 | #endif | |
3404 | } | |
3405 | ||
3406 | static int logind_check_inhibitors(enum action a) { | |
3407 | #if ENABLE_LOGIND | |
3408 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
3409 | _cleanup_strv_free_ char **sessions = NULL; | |
3410 | const char *what, *who, *why, *mode; | |
3411 | uint32_t uid, pid; | |
3412 | sd_bus *bus; | |
3413 | unsigned c = 0; | |
3414 | char **s; | |
3415 | int r; | |
3416 | ||
3417 | if (arg_ignore_inhibitors || arg_force > 0) | |
3418 | return 0; | |
3419 | ||
3420 | if (arg_when > 0) | |
3421 | return 0; | |
3422 | ||
3423 | if (geteuid() == 0) | |
3424 | return 0; | |
3425 | ||
3426 | if (!on_tty()) | |
3427 | return 0; | |
3428 | ||
3429 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
3430 | return 0; | |
3431 | ||
3432 | r = acquire_bus(BUS_FULL, &bus); | |
3433 | if (r < 0) | |
3434 | return r; | |
3435 | ||
3436 | r = sd_bus_call_method( | |
3437 | bus, | |
3438 | "org.freedesktop.login1", | |
3439 | "/org/freedesktop/login1", | |
3440 | "org.freedesktop.login1.Manager", | |
3441 | "ListInhibitors", | |
3442 | NULL, | |
3443 | &reply, | |
3444 | NULL); | |
3445 | if (r < 0) | |
3446 | /* If logind is not around, then there are no inhibitors... */ | |
3447 | return 0; | |
3448 | ||
3449 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)"); | |
3450 | if (r < 0) | |
3451 | return bus_log_parse_error(r); | |
3452 | ||
3453 | while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) { | |
3454 | _cleanup_free_ char *comm = NULL, *user = NULL; | |
3455 | _cleanup_strv_free_ char **sv = NULL; | |
3456 | ||
3457 | if (!streq(mode, "block")) | |
3458 | continue; | |
3459 | ||
3460 | sv = strv_split(what, ":"); | |
3461 | if (!sv) | |
3462 | return log_oom(); | |
3463 | ||
3464 | if (!pid_is_valid((pid_t) pid)) | |
3465 | return log_error_errno(SYNTHETIC_ERRNO(ERANGE), "Invalid PID "PID_FMT".", (pid_t) pid); | |
3466 | ||
3467 | if (!strv_contains(sv, | |
3468 | IN_SET(a, | |
3469 | ACTION_HALT, | |
3470 | ACTION_POWEROFF, | |
3471 | ACTION_REBOOT, | |
3472 | ACTION_KEXEC) ? "shutdown" : "sleep")) | |
3473 | continue; | |
3474 | ||
3475 | get_process_comm(pid, &comm); | |
3476 | user = uid_to_name(uid); | |
3477 | ||
3478 | log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".", | |
3479 | who, (pid_t) pid, strna(comm), strna(user), why); | |
3480 | ||
3481 | c++; | |
3482 | } | |
3483 | if (r < 0) | |
3484 | return bus_log_parse_error(r); | |
3485 | ||
3486 | r = sd_bus_message_exit_container(reply); | |
3487 | if (r < 0) | |
3488 | return bus_log_parse_error(r); | |
3489 | ||
3490 | /* Check for current sessions */ | |
3491 | sd_get_sessions(&sessions); | |
3492 | STRV_FOREACH(s, sessions) { | |
3493 | _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL; | |
3494 | ||
3495 | if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid()) | |
3496 | continue; | |
3497 | ||
3498 | if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user")) | |
3499 | continue; | |
3500 | ||
3501 | if (sd_session_get_type(*s, &type) < 0 || !STR_IN_SET(type, "x11", "wayland", "tty", "mir")) | |
3502 | continue; | |
3503 | ||
3504 | sd_session_get_tty(*s, &tty); | |
3505 | sd_session_get_seat(*s, &seat); | |
3506 | sd_session_get_service(*s, &service); | |
3507 | user = uid_to_name(uid); | |
3508 | ||
3509 | log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty); | |
3510 | c++; | |
3511 | } | |
3512 | ||
3513 | if (c <= 0) | |
3514 | return 0; | |
3515 | ||
3516 | log_error("Please retry operation after closing inhibitors and logging out other users.\nAlternatively, ignore inhibitors and users with 'systemctl %s -i'.", | |
3517 | action_table[a].verb); | |
3518 | ||
3519 | return -EPERM; | |
3520 | #else | |
3521 | return 0; | |
3522 | #endif | |
3523 | } | |
3524 | ||
3525 | static int prepare_firmware_setup(void) { | |
3526 | ||
3527 | if (!arg_firmware_setup) | |
3528 | return 0; | |
3529 | ||
3530 | #if ENABLE_LOGIND | |
3531 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3532 | sd_bus *bus; | |
3533 | int r; | |
3534 | ||
3535 | r = acquire_bus(BUS_FULL, &bus); | |
3536 | if (r < 0) | |
3537 | return r; | |
3538 | ||
3539 | r = sd_bus_call_method( | |
3540 | bus, | |
3541 | "org.freedesktop.login1", | |
3542 | "/org/freedesktop/login1", | |
3543 | "org.freedesktop.login1.Manager", | |
3544 | "SetRebootToFirmwareSetup", | |
3545 | &error, | |
3546 | NULL, | |
3547 | "b", true); | |
3548 | if (r < 0) | |
3549 | return log_error_errno(r, "Cannot indicate to EFI to boot into setup mode: %s", bus_error_message(&error, r)); | |
3550 | ||
3551 | return 0; | |
3552 | #else | |
3553 | return log_error_errno(SYNTHETIC_ERRNO(ENOSYS), | |
3554 | "Booting into firmware setup not supported."); | |
3555 | #endif | |
3556 | } | |
3557 | ||
3558 | static int prepare_boot_loader_menu(void) { | |
3559 | ||
3560 | if (arg_boot_loader_menu == USEC_INFINITY) | |
3561 | return 0; | |
3562 | ||
3563 | #if ENABLE_LOGIND | |
3564 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3565 | sd_bus *bus; | |
3566 | int r; | |
3567 | ||
3568 | r = acquire_bus(BUS_FULL, &bus); | |
3569 | if (r < 0) | |
3570 | return r; | |
3571 | ||
3572 | r = sd_bus_call_method( | |
3573 | bus, | |
3574 | "org.freedesktop.login1", | |
3575 | "/org/freedesktop/login1", | |
3576 | "org.freedesktop.login1.Manager", | |
3577 | "SetRebootToBootLoaderMenu", | |
3578 | &error, | |
3579 | NULL, | |
3580 | "t", arg_boot_loader_menu); | |
3581 | if (r < 0) | |
3582 | return log_error_errno(r, "Cannot indicate to boot loader to enter boot loader entry menu: %s", bus_error_message(&error, r)); | |
3583 | ||
3584 | return 0; | |
3585 | #else | |
3586 | return log_error_errno(SYNTHETIC_ERRNO(ENOSYS), | |
3587 | "Booting into boot loader menu not supported."); | |
3588 | #endif | |
3589 | } | |
3590 | ||
3591 | static int prepare_boot_loader_entry(void) { | |
3592 | ||
3593 | if (!arg_boot_loader_entry) | |
3594 | return 0; | |
3595 | ||
3596 | #if ENABLE_LOGIND | |
3597 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3598 | sd_bus *bus; | |
3599 | int r; | |
3600 | ||
3601 | r = acquire_bus(BUS_FULL, &bus); | |
3602 | if (r < 0) | |
3603 | return r; | |
3604 | ||
3605 | r = sd_bus_call_method( | |
3606 | bus, | |
3607 | "org.freedesktop.login1", | |
3608 | "/org/freedesktop/login1", | |
3609 | "org.freedesktop.login1.Manager", | |
3610 | "SetRebootToBootLoaderEntry", | |
3611 | &error, | |
3612 | NULL, | |
3613 | "s", arg_boot_loader_entry); | |
3614 | if (r < 0) | |
3615 | return log_error_errno(r, "Cannot set boot into loader entry '%s': %s", arg_boot_loader_entry, bus_error_message(&error, r)); | |
3616 | ||
3617 | return 0; | |
3618 | #else | |
3619 | return log_error_errno(SYNTHETIC_ERRNO(ENOSYS), | |
3620 | "Booting into boot loader entry not supported."); | |
3621 | #endif | |
3622 | } | |
3623 | ||
3624 | static int load_kexec_kernel(void) { | |
3625 | _cleanup_(boot_config_free) BootConfig config = {}; | |
3626 | _cleanup_free_ char *kernel = NULL, *initrd = NULL, *options = NULL; | |
3627 | const BootEntry *e; | |
3628 | pid_t pid; | |
3629 | int r; | |
3630 | ||
3631 | if (kexec_loaded()) { | |
3632 | log_debug("Kexec kernel already loaded."); | |
3633 | return 0; | |
3634 | } | |
3635 | ||
3636 | if (access(KEXEC, X_OK) < 0) | |
3637 | return log_error_errno(errno, KEXEC" is not available: %m"); | |
3638 | ||
3639 | r = boot_entries_load_config_auto(NULL, NULL, &config); | |
3640 | if (r == -ENOKEY) /* The call doesn't log about ENOKEY, let's do so here. */ | |
3641 | return log_error_errno(r, "Cannot find the ESP partition mount point."); | |
3642 | if (r < 0) | |
3643 | return r; | |
3644 | ||
3645 | e = boot_config_default_entry(&config); | |
3646 | if (!e) | |
3647 | return log_error_errno(SYNTHETIC_ERRNO(ENOENT), | |
3648 | "No boot loader entry suitable as default, refusing to guess."); | |
3649 | ||
3650 | log_debug("Found default boot loader entry in file \"%s\"", e->path); | |
3651 | ||
3652 | if (!e->kernel) | |
3653 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
3654 | "Boot entry does not refer to Linux kernel, which is not supported currently."); | |
3655 | if (strv_length(e->initrd) > 1) | |
3656 | return log_error_errno(SYNTHETIC_ERRNO(EOPNOTSUPP), | |
3657 | "Boot entry specifies multiple initrds, which is not supported currently."); | |
3658 | ||
3659 | kernel = path_join(e->root, e->kernel); | |
3660 | if (!kernel) | |
3661 | return log_oom(); | |
3662 | ||
3663 | if (!strv_isempty(e->initrd)) { | |
3664 | initrd = path_join(e->root, e->initrd[0]); | |
3665 | if (!initrd) | |
3666 | return log_oom(); | |
3667 | } | |
3668 | ||
3669 | options = strv_join(e->options, " "); | |
3670 | if (!options) | |
3671 | return log_oom(); | |
3672 | ||
3673 | log_full(arg_quiet ? LOG_DEBUG : LOG_INFO, | |
3674 | "%s "KEXEC" --load \"%s\" --append \"%s\"%s%s%s", | |
3675 | arg_dry_run ? "Would run" : "Running", | |
3676 | kernel, | |
3677 | options, | |
3678 | initrd ? " --initrd \"" : NULL, strempty(initrd), initrd ? "\"" : ""); | |
3679 | if (arg_dry_run) | |
3680 | return 0; | |
3681 | ||
3682 | r = safe_fork("(kexec)", FORK_WAIT|FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid); | |
3683 | if (r < 0) | |
3684 | return r; | |
3685 | if (r == 0) { | |
3686 | const char* const args[] = { | |
3687 | KEXEC, | |
3688 | "--load", kernel, | |
3689 | "--append", options, | |
3690 | initrd ? "--initrd" : NULL, initrd, | |
3691 | NULL | |
3692 | }; | |
3693 | ||
3694 | /* Child */ | |
3695 | execv(args[0], (char * const *) args); | |
3696 | _exit(EXIT_FAILURE); | |
3697 | } | |
3698 | ||
3699 | return 0; | |
3700 | } | |
3701 | ||
3702 | static int set_exit_code(uint8_t code) { | |
3703 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3704 | sd_bus *bus; | |
3705 | int r; | |
3706 | ||
3707 | r = acquire_bus(BUS_MANAGER, &bus); | |
3708 | if (r < 0) | |
3709 | return r; | |
3710 | ||
3711 | r = sd_bus_call_method( | |
3712 | bus, | |
3713 | "org.freedesktop.systemd1", | |
3714 | "/org/freedesktop/systemd1", | |
3715 | "org.freedesktop.systemd1.Manager", | |
3716 | "SetExitCode", | |
3717 | &error, | |
3718 | NULL, | |
3719 | "y", code); | |
3720 | if (r < 0) | |
3721 | return log_error_errno(r, "Failed to set exit code: %s", bus_error_message(&error, r)); | |
3722 | ||
3723 | return 0; | |
3724 | } | |
3725 | ||
3726 | static int start_special(int argc, char *argv[], void *userdata) { | |
3727 | enum action a; | |
3728 | int r; | |
3729 | bool termination_action; /* an action that terminates the manager, | |
3730 | * can be performed also by signal. */ | |
3731 | ||
3732 | assert(argv); | |
3733 | ||
3734 | a = verb_to_action(argv[0]); | |
3735 | ||
3736 | r = logind_check_inhibitors(a); | |
3737 | if (r < 0) | |
3738 | return r; | |
3739 | ||
3740 | if (arg_force >= 2) { | |
3741 | r = must_be_root(); | |
3742 | if (r < 0) | |
3743 | return r; | |
3744 | } | |
3745 | ||
3746 | r = prepare_firmware_setup(); | |
3747 | if (r < 0) | |
3748 | return r; | |
3749 | ||
3750 | r = prepare_boot_loader_menu(); | |
3751 | if (r < 0) | |
3752 | return r; | |
3753 | ||
3754 | r = prepare_boot_loader_entry(); | |
3755 | if (r < 0) | |
3756 | return r; | |
3757 | ||
3758 | if (a == ACTION_REBOOT && argc > 1) { | |
3759 | r = update_reboot_parameter_and_warn(argv[1], false); | |
3760 | if (r < 0) | |
3761 | return r; | |
3762 | ||
3763 | } else if (a == ACTION_KEXEC) { | |
3764 | r = load_kexec_kernel(); | |
3765 | if (r < 0 && arg_force >= 1) | |
3766 | log_notice("Failed to load kexec kernel, continuing without."); | |
3767 | else if (r < 0) | |
3768 | return r; | |
3769 | ||
3770 | } else if (a == ACTION_EXIT && argc > 1) { | |
3771 | uint8_t code; | |
3772 | ||
3773 | /* If the exit code is not given on the command line, | |
3774 | * don't reset it to zero: just keep it as it might | |
3775 | * have been set previously. */ | |
3776 | ||
3777 | r = safe_atou8(argv[1], &code); | |
3778 | if (r < 0) | |
3779 | return log_error_errno(r, "Invalid exit code."); | |
3780 | ||
3781 | r = set_exit_code(code); | |
3782 | if (r < 0) | |
3783 | return r; | |
3784 | } | |
3785 | ||
3786 | termination_action = IN_SET(a, | |
3787 | ACTION_HALT, | |
3788 | ACTION_POWEROFF, | |
3789 | ACTION_REBOOT); | |
3790 | if (termination_action && arg_force >= 2) | |
3791 | return halt_now(a); | |
3792 | ||
3793 | if (arg_force >= 1 && | |
3794 | (termination_action || IN_SET(a, ACTION_KEXEC, ACTION_EXIT))) | |
3795 | r = trivial_method(argc, argv, userdata); | |
3796 | else { | |
3797 | /* First try logind, to allow authentication with polkit */ | |
3798 | if (IN_SET(a, | |
3799 | ACTION_POWEROFF, | |
3800 | ACTION_REBOOT, | |
3801 | ACTION_HALT, | |
3802 | ACTION_SUSPEND, | |
3803 | ACTION_HIBERNATE, | |
3804 | ACTION_HYBRID_SLEEP, | |
3805 | ACTION_SUSPEND_THEN_HIBERNATE)) { | |
3806 | ||
3807 | r = logind_reboot(a); | |
3808 | if (r >= 0) | |
3809 | return r; | |
3810 | if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS)) | |
3811 | /* requested operation is not supported or already in progress */ | |
3812 | return r; | |
3813 | ||
3814 | /* On all other errors, try low-level operation. In order to minimize the difference between | |
3815 | * operation with and without logind, we explicitly enable non-blocking mode for this, as | |
3816 | * logind's shutdown operations are always non-blocking. */ | |
3817 | ||
3818 | arg_no_block = true; | |
3819 | ||
3820 | } else if (IN_SET(a, ACTION_EXIT, ACTION_KEXEC)) | |
3821 | /* Since exit/kexec are so close in behaviour to power-off/reboot, let's also make them | |
3822 | * asynchronous, in order to not confuse the user needlessly with unexpected behaviour. */ | |
3823 | arg_no_block = true; | |
3824 | ||
3825 | r = start_unit(argc, argv, userdata); | |
3826 | } | |
3827 | ||
3828 | if (termination_action && arg_force < 2 && | |
3829 | IN_SET(r, -ENOENT, -ETIMEDOUT)) | |
3830 | log_notice("It is possible to perform action directly, see discussion of --force --force in man:systemctl(1)."); | |
3831 | ||
3832 | return r; | |
3833 | } | |
3834 | ||
3835 | static int start_system_special(int argc, char *argv[], void *userdata) { | |
3836 | /* Like start_special above, but raises an error when running in user mode */ | |
3837 | ||
3838 | if (arg_scope != UNIT_FILE_SYSTEM) | |
3839 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
3840 | "Bad action for %s mode.", | |
3841 | arg_scope == UNIT_FILE_GLOBAL ? "--global" : "--user"); | |
3842 | ||
3843 | return start_special(argc, argv, userdata); | |
3844 | } | |
3845 | ||
3846 | static int check_unit_generic(int code, const UnitActiveState good_states[], int nb_states, char **args) { | |
3847 | _cleanup_strv_free_ char **names = NULL; | |
3848 | UnitActiveState active_state; | |
3849 | sd_bus *bus; | |
3850 | char **name; | |
3851 | int r, i; | |
3852 | bool found = false; | |
3853 | ||
3854 | r = acquire_bus(BUS_MANAGER, &bus); | |
3855 | if (r < 0) | |
3856 | return r; | |
3857 | ||
3858 | r = expand_names(bus, args, NULL, &names); | |
3859 | if (r < 0) | |
3860 | return log_error_errno(r, "Failed to expand names: %m"); | |
3861 | ||
3862 | STRV_FOREACH(name, names) { | |
3863 | r = get_state_one_unit(bus, *name, &active_state); | |
3864 | if (r < 0) | |
3865 | return r; | |
3866 | ||
3867 | if (!arg_quiet) | |
3868 | puts(unit_active_state_to_string(active_state)); | |
3869 | ||
3870 | for (i = 0; i < nb_states; ++i) | |
3871 | if (good_states[i] == active_state) | |
3872 | found = true; | |
3873 | } | |
3874 | ||
3875 | /* use the given return code for the case that we won't find | |
3876 | * any unit which matches the list */ | |
3877 | return found ? 0 : code; | |
3878 | } | |
3879 | ||
3880 | static int check_unit_active(int argc, char *argv[], void *userdata) { | |
3881 | static const UnitActiveState states[] = { | |
3882 | UNIT_ACTIVE, | |
3883 | UNIT_RELOADING, | |
3884 | }; | |
3885 | ||
3886 | /* According to LSB: 3, "program is not running" */ | |
3887 | return check_unit_generic(EXIT_PROGRAM_NOT_RUNNING, states, ELEMENTSOF(states), strv_skip(argv, 1)); | |
3888 | } | |
3889 | ||
3890 | static int check_unit_failed(int argc, char *argv[], void *userdata) { | |
3891 | static const UnitActiveState states[] = { | |
3892 | UNIT_FAILED, | |
3893 | }; | |
3894 | ||
3895 | return check_unit_generic(EXIT_PROGRAM_DEAD_AND_PID_EXISTS, states, ELEMENTSOF(states), strv_skip(argv, 1)); | |
3896 | } | |
3897 | ||
3898 | static int kill_unit(int argc, char *argv[], void *userdata) { | |
3899 | _cleanup_strv_free_ char **names = NULL; | |
3900 | char *kill_who = NULL, **name; | |
3901 | sd_bus *bus; | |
3902 | int r, q; | |
3903 | ||
3904 | r = acquire_bus(BUS_MANAGER, &bus); | |
3905 | if (r < 0) | |
3906 | return r; | |
3907 | ||
3908 | polkit_agent_open_maybe(); | |
3909 | ||
3910 | if (!arg_kill_who) | |
3911 | arg_kill_who = "all"; | |
3912 | ||
3913 | /* --fail was specified */ | |
3914 | if (streq(arg_job_mode, "fail")) | |
3915 | kill_who = strjoina(arg_kill_who, "-fail"); | |
3916 | ||
3917 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
3918 | if (r < 0) | |
3919 | return log_error_errno(r, "Failed to expand names: %m"); | |
3920 | ||
3921 | STRV_FOREACH(name, names) { | |
3922 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
3923 | ||
3924 | q = sd_bus_call_method( | |
3925 | bus, | |
3926 | "org.freedesktop.systemd1", | |
3927 | "/org/freedesktop/systemd1", | |
3928 | "org.freedesktop.systemd1.Manager", | |
3929 | "KillUnit", | |
3930 | &error, | |
3931 | NULL, | |
3932 | "ssi", *name, kill_who ? kill_who : arg_kill_who, arg_signal); | |
3933 | if (q < 0) { | |
3934 | log_error_errno(q, "Failed to kill unit %s: %s", *name, bus_error_message(&error, q)); | |
3935 | if (r == 0) | |
3936 | r = q; | |
3937 | } | |
3938 | } | |
3939 | ||
3940 | return r; | |
3941 | } | |
3942 | ||
3943 | typedef struct ExecStatusInfo { | |
3944 | char *name; | |
3945 | ||
3946 | char *path; | |
3947 | char **argv; | |
3948 | ||
3949 | bool ignore; | |
3950 | ||
3951 | usec_t start_timestamp; | |
3952 | usec_t exit_timestamp; | |
3953 | pid_t pid; | |
3954 | int code; | |
3955 | int status; | |
3956 | ||
3957 | LIST_FIELDS(struct ExecStatusInfo, exec); | |
3958 | } ExecStatusInfo; | |
3959 | ||
3960 | static void exec_status_info_free(ExecStatusInfo *i) { | |
3961 | assert(i); | |
3962 | ||
3963 | free(i->name); | |
3964 | free(i->path); | |
3965 | strv_free(i->argv); | |
3966 | free(i); | |
3967 | } | |
3968 | ||
3969 | static int exec_status_info_deserialize(sd_bus_message *m, ExecStatusInfo *i) { | |
3970 | uint64_t start_timestamp, exit_timestamp, start_timestamp_monotonic, exit_timestamp_monotonic; | |
3971 | const char *path; | |
3972 | uint32_t pid; | |
3973 | int32_t code, status; | |
3974 | int ignore, r; | |
3975 | ||
3976 | assert(m); | |
3977 | assert(i); | |
3978 | ||
3979 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, "sasbttttuii"); | |
3980 | if (r < 0) | |
3981 | return bus_log_parse_error(r); | |
3982 | else if (r == 0) | |
3983 | return 0; | |
3984 | ||
3985 | r = sd_bus_message_read(m, "s", &path); | |
3986 | if (r < 0) | |
3987 | return bus_log_parse_error(r); | |
3988 | ||
3989 | i->path = strdup(path); | |
3990 | if (!i->path) | |
3991 | return log_oom(); | |
3992 | ||
3993 | r = sd_bus_message_read_strv(m, &i->argv); | |
3994 | if (r < 0) | |
3995 | return bus_log_parse_error(r); | |
3996 | ||
3997 | r = sd_bus_message_read(m, | |
3998 | "bttttuii", | |
3999 | &ignore, | |
4000 | &start_timestamp, &start_timestamp_monotonic, | |
4001 | &exit_timestamp, &exit_timestamp_monotonic, | |
4002 | &pid, | |
4003 | &code, &status); | |
4004 | if (r < 0) | |
4005 | return bus_log_parse_error(r); | |
4006 | ||
4007 | i->ignore = ignore; | |
4008 | i->start_timestamp = (usec_t) start_timestamp; | |
4009 | i->exit_timestamp = (usec_t) exit_timestamp; | |
4010 | i->pid = (pid_t) pid; | |
4011 | i->code = code; | |
4012 | i->status = status; | |
4013 | ||
4014 | r = sd_bus_message_exit_container(m); | |
4015 | if (r < 0) | |
4016 | return bus_log_parse_error(r); | |
4017 | ||
4018 | return 1; | |
4019 | } | |
4020 | ||
4021 | typedef struct UnitCondition { | |
4022 | char *name; | |
4023 | char *param; | |
4024 | bool trigger; | |
4025 | bool negate; | |
4026 | int tristate; | |
4027 | ||
4028 | LIST_FIELDS(struct UnitCondition, conditions); | |
4029 | } UnitCondition; | |
4030 | ||
4031 | static void unit_condition_free(UnitCondition *c) { | |
4032 | if (!c) | |
4033 | return; | |
4034 | ||
4035 | free(c->name); | |
4036 | free(c->param); | |
4037 | free(c); | |
4038 | } | |
4039 | ||
4040 | DEFINE_TRIVIAL_CLEANUP_FUNC(UnitCondition*, unit_condition_free); | |
4041 | ||
4042 | typedef struct UnitStatusInfo { | |
4043 | const char *id; | |
4044 | const char *load_state; | |
4045 | const char *active_state; | |
4046 | const char *sub_state; | |
4047 | const char *unit_file_state; | |
4048 | const char *unit_file_preset; | |
4049 | ||
4050 | const char *description; | |
4051 | const char *following; | |
4052 | ||
4053 | char **documentation; | |
4054 | ||
4055 | const char *fragment_path; | |
4056 | const char *source_path; | |
4057 | const char *control_group; | |
4058 | ||
4059 | char **dropin_paths; | |
4060 | ||
4061 | const char *load_error; | |
4062 | const char *result; | |
4063 | ||
4064 | usec_t inactive_exit_timestamp; | |
4065 | usec_t inactive_exit_timestamp_monotonic; | |
4066 | usec_t active_enter_timestamp; | |
4067 | usec_t active_exit_timestamp; | |
4068 | usec_t inactive_enter_timestamp; | |
4069 | ||
4070 | bool need_daemon_reload; | |
4071 | bool transient; | |
4072 | ||
4073 | /* Service */ | |
4074 | pid_t main_pid; | |
4075 | pid_t control_pid; | |
4076 | const char *status_text; | |
4077 | const char *pid_file; | |
4078 | bool running:1; | |
4079 | int status_errno; | |
4080 | ||
4081 | usec_t start_timestamp; | |
4082 | usec_t exit_timestamp; | |
4083 | ||
4084 | int exit_code, exit_status; | |
4085 | ||
4086 | usec_t condition_timestamp; | |
4087 | bool condition_result; | |
4088 | LIST_HEAD(UnitCondition, conditions); | |
4089 | ||
4090 | usec_t assert_timestamp; | |
4091 | bool assert_result; | |
4092 | bool failed_assert_trigger; | |
4093 | bool failed_assert_negate; | |
4094 | const char *failed_assert; | |
4095 | const char *failed_assert_parameter; | |
4096 | usec_t next_elapse_real; | |
4097 | usec_t next_elapse_monotonic; | |
4098 | ||
4099 | /* Socket */ | |
4100 | unsigned n_accepted; | |
4101 | unsigned n_connections; | |
4102 | unsigned n_refused; | |
4103 | bool accept; | |
4104 | ||
4105 | /* Pairs of type, path */ | |
4106 | char **listen; | |
4107 | ||
4108 | /* Device */ | |
4109 | const char *sysfs_path; | |
4110 | ||
4111 | /* Mount, Automount */ | |
4112 | const char *where; | |
4113 | ||
4114 | /* Swap */ | |
4115 | const char *what; | |
4116 | ||
4117 | /* CGroup */ | |
4118 | uint64_t memory_current; | |
4119 | uint64_t memory_min; | |
4120 | uint64_t memory_low; | |
4121 | uint64_t memory_high; | |
4122 | uint64_t memory_max; | |
4123 | uint64_t memory_swap_max; | |
4124 | uint64_t memory_limit; | |
4125 | uint64_t cpu_usage_nsec; | |
4126 | uint64_t tasks_current; | |
4127 | uint64_t tasks_max; | |
4128 | ||
4129 | uint64_t ip_ingress_bytes; | |
4130 | uint64_t ip_egress_bytes; | |
4131 | ||
4132 | LIST_HEAD(ExecStatusInfo, exec); | |
4133 | } UnitStatusInfo; | |
4134 | ||
4135 | static void unit_status_info_free(UnitStatusInfo *info) { | |
4136 | ExecStatusInfo *p; | |
4137 | UnitCondition *c; | |
4138 | ||
4139 | strv_free(info->documentation); | |
4140 | strv_free(info->dropin_paths); | |
4141 | strv_free(info->listen); | |
4142 | ||
4143 | while ((c = info->conditions)) { | |
4144 | LIST_REMOVE(conditions, info->conditions, c); | |
4145 | unit_condition_free(c); | |
4146 | } | |
4147 | ||
4148 | while ((p = info->exec)) { | |
4149 | LIST_REMOVE(exec, info->exec, p); | |
4150 | exec_status_info_free(p); | |
4151 | } | |
4152 | } | |
4153 | ||
4154 | static void print_status_info( | |
4155 | sd_bus *bus, | |
4156 | UnitStatusInfo *i, | |
4157 | bool *ellipsized) { | |
4158 | ||
4159 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; | |
4160 | const char *s1, *s2, *active_on, *active_off, *on, *off, *ss; | |
4161 | _cleanup_free_ char *formatted_path = NULL; | |
4162 | ExecStatusInfo *p; | |
4163 | usec_t timestamp; | |
4164 | const char *path; | |
4165 | char **t, **t2; | |
4166 | int r; | |
4167 | ||
4168 | assert(i); | |
4169 | ||
4170 | /* This shows pretty information about a unit. See | |
4171 | * print_property() for a low-level property printer */ | |
4172 | ||
4173 | if (streq_ptr(i->active_state, "failed")) { | |
4174 | active_on = ansi_highlight_red(); | |
4175 | active_off = ansi_normal(); | |
4176 | } else if (STRPTR_IN_SET(i->active_state, "active", "reloading")) { | |
4177 | active_on = ansi_highlight_green(); | |
4178 | active_off = ansi_normal(); | |
4179 | } else | |
4180 | active_on = active_off = ""; | |
4181 | ||
4182 | printf("%s%s%s %s", active_on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), active_off, strna(i->id)); | |
4183 | ||
4184 | if (i->description && !streq_ptr(i->id, i->description)) | |
4185 | printf(" - %s", i->description); | |
4186 | ||
4187 | printf("\n"); | |
4188 | ||
4189 | if (i->following) | |
4190 | printf(" Follow: unit currently follows state of %s\n", i->following); | |
4191 | ||
4192 | if (STRPTR_IN_SET(i->load_state, "error", "not-found", "bad-setting")) { | |
4193 | on = ansi_highlight_red(); | |
4194 | off = ansi_normal(); | |
4195 | } else | |
4196 | on = off = ""; | |
4197 | ||
4198 | path = i->source_path ?: i->fragment_path; | |
4199 | if (path && terminal_urlify_path(path, NULL, &formatted_path) >= 0) | |
4200 | path = formatted_path; | |
4201 | ||
4202 | if (!isempty(i->load_error)) | |
4203 | printf(" Loaded: %s%s%s (Reason: %s)\n", | |
4204 | on, strna(i->load_state), off, i->load_error); | |
4205 | else if (path && !isempty(i->unit_file_state) && !isempty(i->unit_file_preset) && | |
4206 | !STR_IN_SET(i->unit_file_state, "generated", "transient")) | |
4207 | printf(" Loaded: %s%s%s (%s; %s; vendor preset: %s)\n", | |
4208 | on, strna(i->load_state), off, path, i->unit_file_state, i->unit_file_preset); | |
4209 | else if (path && !isempty(i->unit_file_state)) | |
4210 | printf(" Loaded: %s%s%s (%s; %s)\n", | |
4211 | on, strna(i->load_state), off, path, i->unit_file_state); | |
4212 | else if (path) | |
4213 | printf(" Loaded: %s%s%s (%s)\n", | |
4214 | on, strna(i->load_state), off, path); | |
4215 | else | |
4216 | printf(" Loaded: %s%s%s\n", | |
4217 | on, strna(i->load_state), off); | |
4218 | ||
4219 | if (i->transient) | |
4220 | printf("Transient: yes\n"); | |
4221 | ||
4222 | if (!strv_isempty(i->dropin_paths)) { | |
4223 | _cleanup_free_ char *dir = NULL; | |
4224 | bool last = false; | |
4225 | char ** dropin; | |
4226 | ||
4227 | STRV_FOREACH(dropin, i->dropin_paths) { | |
4228 | _cleanup_free_ char *dropin_formatted = NULL; | |
4229 | const char *df; | |
4230 | ||
4231 | if (!dir || last) { | |
4232 | printf(dir ? " " : | |
4233 | " Drop-In: "); | |
4234 | ||
4235 | dir = mfree(dir); | |
4236 | ||
4237 | dir = dirname_malloc(*dropin); | |
4238 | if (!dir) { | |
4239 | log_oom(); | |
4240 | return; | |
4241 | } | |
4242 | ||
4243 | printf("%s\n" | |
4244 | " %s", dir, | |
4245 | special_glyph(SPECIAL_GLYPH_TREE_RIGHT)); | |
4246 | } | |
4247 | ||
4248 | last = ! (*(dropin + 1) && startswith(*(dropin + 1), dir)); | |
4249 | ||
4250 | if (terminal_urlify_path(*dropin, basename(*dropin), &dropin_formatted) >= 0) | |
4251 | df = dropin_formatted; | |
4252 | else | |
4253 | df = *dropin; | |
4254 | ||
4255 | printf("%s%s", df, last ? "\n" : ", "); | |
4256 | } | |
4257 | } | |
4258 | ||
4259 | ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state; | |
4260 | if (ss) | |
4261 | printf(" Active: %s%s (%s)%s", | |
4262 | active_on, strna(i->active_state), ss, active_off); | |
4263 | else | |
4264 | printf(" Active: %s%s%s", | |
4265 | active_on, strna(i->active_state), active_off); | |
4266 | ||
4267 | if (!isempty(i->result) && !streq(i->result, "success")) | |
4268 | printf(" (Result: %s)", i->result); | |
4269 | ||
4270 | timestamp = STRPTR_IN_SET(i->active_state, "active", "reloading") ? i->active_enter_timestamp : | |
4271 | STRPTR_IN_SET(i->active_state, "inactive", "failed") ? i->inactive_enter_timestamp : | |
4272 | STRPTR_IN_SET(i->active_state, "activating") ? i->inactive_exit_timestamp : | |
4273 | i->active_exit_timestamp; | |
4274 | ||
4275 | s1 = format_timestamp_relative(since1, sizeof(since1), timestamp); | |
4276 | s2 = format_timestamp(since2, sizeof(since2), timestamp); | |
4277 | ||
4278 | if (s1) | |
4279 | printf(" since %s; %s\n", s2, s1); | |
4280 | else if (s2) | |
4281 | printf(" since %s\n", s2); | |
4282 | else | |
4283 | printf("\n"); | |
4284 | ||
4285 | if (endswith(i->id, ".timer")) { | |
4286 | char tstamp1[FORMAT_TIMESTAMP_RELATIVE_MAX], | |
4287 | tstamp2[FORMAT_TIMESTAMP_MAX]; | |
4288 | const char *next_rel_time, *next_time; | |
4289 | dual_timestamp nw, next = {i->next_elapse_real, | |
4290 | i->next_elapse_monotonic}; | |
4291 | usec_t next_elapse; | |
4292 | ||
4293 | printf(" Trigger: "); | |
4294 | ||
4295 | dual_timestamp_get(&nw); | |
4296 | next_elapse = calc_next_elapse(&nw, &next); | |
4297 | next_rel_time = format_timestamp_relative(tstamp1, sizeof tstamp1, next_elapse); | |
4298 | next_time = format_timestamp(tstamp2, sizeof tstamp2, next_elapse); | |
4299 | ||
4300 | if (next_time && next_rel_time) | |
4301 | printf("%s; %s\n", next_time, next_rel_time); | |
4302 | else | |
4303 | printf("n/a\n"); | |
4304 | } | |
4305 | ||
4306 | if (!i->condition_result && i->condition_timestamp > 0) { | |
4307 | UnitCondition *c; | |
4308 | int n = 0; | |
4309 | ||
4310 | s1 = format_timestamp_relative(since1, sizeof(since1), i->condition_timestamp); | |
4311 | s2 = format_timestamp(since2, sizeof(since2), i->condition_timestamp); | |
4312 | ||
4313 | printf("Condition: start %scondition failed%s at %s%s%s\n", | |
4314 | ansi_highlight_yellow(), ansi_normal(), | |
4315 | s2, s1 ? "; " : "", strempty(s1)); | |
4316 | ||
4317 | LIST_FOREACH(conditions, c, i->conditions) | |
4318 | if (c->tristate < 0) | |
4319 | n++; | |
4320 | ||
4321 | LIST_FOREACH(conditions, c, i->conditions) | |
4322 | if (c->tristate < 0) | |
4323 | printf(" %s %s=%s%s%s was not met\n", | |
4324 | --n ? special_glyph(SPECIAL_GLYPH_TREE_BRANCH) : special_glyph(SPECIAL_GLYPH_TREE_RIGHT), | |
4325 | c->name, | |
4326 | c->trigger ? "|" : "", | |
4327 | c->negate ? "!" : "", | |
4328 | c->param); | |
4329 | } | |
4330 | ||
4331 | if (!i->assert_result && i->assert_timestamp > 0) { | |
4332 | s1 = format_timestamp_relative(since1, sizeof(since1), i->assert_timestamp); | |
4333 | s2 = format_timestamp(since2, sizeof(since2), i->assert_timestamp); | |
4334 | ||
4335 | printf(" Assert: start %sassertion failed%s at %s%s%s\n", | |
4336 | ansi_highlight_red(), ansi_normal(), | |
4337 | s2, s1 ? "; " : "", strempty(s1)); | |
4338 | if (i->failed_assert_trigger) | |
4339 | printf(" none of the trigger assertions were met\n"); | |
4340 | else if (i->failed_assert) | |
4341 | printf(" %s=%s%s was not met\n", | |
4342 | i->failed_assert, | |
4343 | i->failed_assert_negate ? "!" : "", | |
4344 | i->failed_assert_parameter); | |
4345 | } | |
4346 | ||
4347 | if (i->sysfs_path) | |
4348 | printf(" Device: %s\n", i->sysfs_path); | |
4349 | if (i->where) | |
4350 | printf(" Where: %s\n", i->where); | |
4351 | if (i->what) | |
4352 | printf(" What: %s\n", i->what); | |
4353 | ||
4354 | STRV_FOREACH(t, i->documentation) { | |
4355 | _cleanup_free_ char *formatted = NULL; | |
4356 | const char *q; | |
4357 | ||
4358 | if (terminal_urlify(*t, NULL, &formatted) >= 0) | |
4359 | q = formatted; | |
4360 | else | |
4361 | q = *t; | |
4362 | ||
4363 | printf(" %*s %s\n", 9, t == i->documentation ? "Docs:" : "", q); | |
4364 | } | |
4365 | ||
4366 | STRV_FOREACH_PAIR(t, t2, i->listen) | |
4367 | printf(" %*s %s (%s)\n", 9, t == i->listen ? "Listen:" : "", *t2, *t); | |
4368 | ||
4369 | if (i->accept) { | |
4370 | printf(" Accepted: %u; Connected: %u;", i->n_accepted, i->n_connections); | |
4371 | if (i->n_refused) | |
4372 | printf(" Refused: %u", i->n_refused); | |
4373 | printf("\n"); | |
4374 | } | |
4375 | ||
4376 | LIST_FOREACH(exec, p, i->exec) { | |
4377 | _cleanup_free_ char *argv = NULL; | |
4378 | bool good; | |
4379 | ||
4380 | /* Only show exited processes here */ | |
4381 | if (p->code == 0) | |
4382 | continue; | |
4383 | ||
4384 | argv = strv_join(p->argv, " "); | |
4385 | printf(" Process: "PID_FMT" %s=%s ", p->pid, p->name, strna(argv)); | |
4386 | ||
4387 | good = is_clean_exit(p->code, p->status, EXIT_CLEAN_DAEMON, NULL); | |
4388 | if (!good) { | |
4389 | on = ansi_highlight_red(); | |
4390 | off = ansi_normal(); | |
4391 | } else | |
4392 | on = off = ""; | |
4393 | ||
4394 | printf("%s(code=%s, ", on, sigchld_code_to_string(p->code)); | |
4395 | ||
4396 | if (p->code == CLD_EXITED) { | |
4397 | const char *c; | |
4398 | ||
4399 | printf("status=%i", p->status); | |
4400 | ||
4401 | c = exit_status_to_string(p->status, EXIT_STATUS_SYSTEMD); | |
4402 | if (c) | |
4403 | printf("/%s", c); | |
4404 | ||
4405 | } else | |
4406 | printf("signal=%s", signal_to_string(p->status)); | |
4407 | ||
4408 | printf(")%s\n", off); | |
4409 | ||
4410 | if (i->main_pid == p->pid && | |
4411 | i->start_timestamp == p->start_timestamp && | |
4412 | i->exit_timestamp == p->start_timestamp) | |
4413 | /* Let's not show this twice */ | |
4414 | i->main_pid = 0; | |
4415 | ||
4416 | if (p->pid == i->control_pid) | |
4417 | i->control_pid = 0; | |
4418 | } | |
4419 | ||
4420 | if (i->main_pid > 0 || i->control_pid > 0) { | |
4421 | if (i->main_pid > 0) { | |
4422 | printf(" Main PID: "PID_FMT, i->main_pid); | |
4423 | ||
4424 | if (i->running) { | |
4425 | ||
4426 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
4427 | _cleanup_free_ char *comm = NULL; | |
4428 | ||
4429 | (void) get_process_comm(i->main_pid, &comm); | |
4430 | if (comm) | |
4431 | printf(" (%s)", comm); | |
4432 | } | |
4433 | ||
4434 | } else if (i->exit_code > 0) { | |
4435 | printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); | |
4436 | ||
4437 | if (i->exit_code == CLD_EXITED) { | |
4438 | const char *c; | |
4439 | ||
4440 | printf("status=%i", i->exit_status); | |
4441 | ||
4442 | c = exit_status_to_string(i->exit_status, EXIT_STATUS_SYSTEMD); | |
4443 | if (c) | |
4444 | printf("/%s", c); | |
4445 | ||
4446 | } else | |
4447 | printf("signal=%s", signal_to_string(i->exit_status)); | |
4448 | printf(")"); | |
4449 | } | |
4450 | } | |
4451 | ||
4452 | if (i->control_pid > 0) { | |
4453 | _cleanup_free_ char *c = NULL; | |
4454 | ||
4455 | if (i->main_pid > 0) | |
4456 | fputs("; Control PID: ", stdout); | |
4457 | else | |
4458 | fputs("Cntrl PID: ", stdout); /* if first in column, abbreviated so it fits alignment */ | |
4459 | ||
4460 | printf(PID_FMT, i->control_pid); | |
4461 | ||
4462 | if (arg_transport == BUS_TRANSPORT_LOCAL) { | |
4463 | (void) get_process_comm(i->control_pid, &c); | |
4464 | if (c) | |
4465 | printf(" (%s)", c); | |
4466 | } | |
4467 | } | |
4468 | ||
4469 | printf("\n"); | |
4470 | } | |
4471 | ||
4472 | if (i->status_text) | |
4473 | printf(" Status: \"%s\"\n", i->status_text); | |
4474 | if (i->status_errno > 0) | |
4475 | printf(" Error: %i (%s)\n", i->status_errno, strerror(i->status_errno)); | |
4476 | ||
4477 | if (i->ip_ingress_bytes != (uint64_t) -1 && i->ip_egress_bytes != (uint64_t) -1) { | |
4478 | char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX]; | |
4479 | ||
4480 | printf(" IP: %s in, %s out\n", | |
4481 | format_bytes(buf_in, sizeof(buf_in), i->ip_ingress_bytes), | |
4482 | format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes)); | |
4483 | } | |
4484 | ||
4485 | if (i->tasks_current != (uint64_t) -1) { | |
4486 | printf(" Tasks: %" PRIu64, i->tasks_current); | |
4487 | ||
4488 | if (i->tasks_max != (uint64_t) -1) | |
4489 | printf(" (limit: %" PRIu64 ")\n", i->tasks_max); | |
4490 | else | |
4491 | printf("\n"); | |
4492 | } | |
4493 | ||
4494 | if (i->memory_current != (uint64_t) -1) { | |
4495 | char buf[FORMAT_BYTES_MAX]; | |
4496 | ||
4497 | printf(" Memory: %s", format_bytes(buf, sizeof(buf), i->memory_current)); | |
4498 | ||
4499 | if (i->memory_min > 0 || i->memory_low > 0 || | |
4500 | i->memory_high != CGROUP_LIMIT_MAX || i->memory_max != CGROUP_LIMIT_MAX || | |
4501 | i->memory_swap_max != CGROUP_LIMIT_MAX || | |
4502 | i->memory_limit != CGROUP_LIMIT_MAX) { | |
4503 | const char *prefix = ""; | |
4504 | ||
4505 | printf(" ("); | |
4506 | if (i->memory_min > 0) { | |
4507 | printf("%smin: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_min)); | |
4508 | prefix = " "; | |
4509 | } | |
4510 | if (i->memory_low > 0) { | |
4511 | printf("%slow: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_low)); | |
4512 | prefix = " "; | |
4513 | } | |
4514 | if (i->memory_high != CGROUP_LIMIT_MAX) { | |
4515 | printf("%shigh: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_high)); | |
4516 | prefix = " "; | |
4517 | } | |
4518 | if (i->memory_max != CGROUP_LIMIT_MAX) { | |
4519 | printf("%smax: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_max)); | |
4520 | prefix = " "; | |
4521 | } | |
4522 | if (i->memory_swap_max != CGROUP_LIMIT_MAX) { | |
4523 | printf("%sswap max: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_swap_max)); | |
4524 | prefix = " "; | |
4525 | } | |
4526 | if (i->memory_limit != CGROUP_LIMIT_MAX) { | |
4527 | printf("%slimit: %s", prefix, format_bytes(buf, sizeof(buf), i->memory_limit)); | |
4528 | prefix = " "; | |
4529 | } | |
4530 | printf(")"); | |
4531 | } | |
4532 | printf("\n"); | |
4533 | } | |
4534 | ||
4535 | if (i->cpu_usage_nsec != (uint64_t) -1) { | |
4536 | char buf[FORMAT_TIMESPAN_MAX]; | |
4537 | printf(" CPU: %s\n", format_timespan(buf, sizeof(buf), i->cpu_usage_nsec / NSEC_PER_USEC, USEC_PER_MSEC)); | |
4538 | } | |
4539 | ||
4540 | if (i->control_group) { | |
4541 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
4542 | static const char prefix[] = " "; | |
4543 | unsigned c; | |
4544 | ||
4545 | printf(" CGroup: %s\n", i->control_group); | |
4546 | ||
4547 | c = columns(); | |
4548 | if (c > sizeof(prefix) - 1) | |
4549 | c -= sizeof(prefix) - 1; | |
4550 | else | |
4551 | c = 0; | |
4552 | ||
4553 | r = unit_show_processes(bus, i->id, i->control_group, prefix, c, get_output_flags(), &error); | |
4554 | if (r == -EBADR) { | |
4555 | unsigned k = 0; | |
4556 | pid_t extra[2]; | |
4557 | ||
4558 | /* Fallback for older systemd versions where the GetUnitProcesses() call is not yet available */ | |
4559 | ||
4560 | if (i->main_pid > 0) | |
4561 | extra[k++] = i->main_pid; | |
4562 | ||
4563 | if (i->control_pid > 0) | |
4564 | extra[k++] = i->control_pid; | |
4565 | ||
4566 | show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, i->control_group, prefix, c, extra, k, get_output_flags()); | |
4567 | } else if (r < 0) | |
4568 | log_warning_errno(r, "Failed to dump process list for '%s', ignoring: %s", i->id, bus_error_message(&error, r)); | |
4569 | } | |
4570 | ||
4571 | if (i->id && arg_transport == BUS_TRANSPORT_LOCAL) | |
4572 | show_journal_by_unit( | |
4573 | stdout, | |
4574 | i->id, | |
4575 | arg_output, | |
4576 | 0, | |
4577 | i->inactive_exit_timestamp_monotonic, | |
4578 | arg_lines, | |
4579 | getuid(), | |
4580 | get_output_flags() | OUTPUT_BEGIN_NEWLINE, | |
4581 | SD_JOURNAL_LOCAL_ONLY, | |
4582 | arg_scope == UNIT_FILE_SYSTEM, | |
4583 | ellipsized); | |
4584 | ||
4585 | if (i->need_daemon_reload) | |
4586 | warn_unit_file_changed(i->id); | |
4587 | } | |
4588 | ||
4589 | static void show_unit_help(UnitStatusInfo *i) { | |
4590 | char **p; | |
4591 | ||
4592 | assert(i); | |
4593 | ||
4594 | if (!i->documentation) { | |
4595 | log_info("Documentation for %s not known.", i->id); | |
4596 | return; | |
4597 | } | |
4598 | ||
4599 | STRV_FOREACH(p, i->documentation) | |
4600 | if (startswith(*p, "man:")) | |
4601 | show_man_page(*p + 4, false); | |
4602 | else | |
4603 | log_info("Can't show: %s", *p); | |
4604 | } | |
4605 | ||
4606 | static int map_main_pid(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4607 | UnitStatusInfo *i = userdata; | |
4608 | uint32_t u; | |
4609 | int r; | |
4610 | ||
4611 | r = sd_bus_message_read(m, "u", &u); | |
4612 | if (r < 0) | |
4613 | return r; | |
4614 | ||
4615 | i->main_pid = (pid_t) u; | |
4616 | i->running = u > 0; | |
4617 | ||
4618 | return 0; | |
4619 | } | |
4620 | ||
4621 | static int map_load_error(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4622 | const char *message, **p = userdata; | |
4623 | int r; | |
4624 | ||
4625 | r = sd_bus_message_read(m, "(ss)", NULL, &message); | |
4626 | if (r < 0) | |
4627 | return r; | |
4628 | ||
4629 | if (!isempty(message)) | |
4630 | *p = message; | |
4631 | ||
4632 | return 0; | |
4633 | } | |
4634 | ||
4635 | static int map_listen(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4636 | const char *type, *path; | |
4637 | char ***p = userdata; | |
4638 | int r; | |
4639 | ||
4640 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
4641 | if (r < 0) | |
4642 | return r; | |
4643 | ||
4644 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) { | |
4645 | ||
4646 | r = strv_extend(p, type); | |
4647 | if (r < 0) | |
4648 | return r; | |
4649 | ||
4650 | r = strv_extend(p, path); | |
4651 | if (r < 0) | |
4652 | return r; | |
4653 | } | |
4654 | if (r < 0) | |
4655 | return r; | |
4656 | ||
4657 | r = sd_bus_message_exit_container(m); | |
4658 | if (r < 0) | |
4659 | return r; | |
4660 | ||
4661 | return 0; | |
4662 | } | |
4663 | ||
4664 | static int map_conditions(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4665 | UnitStatusInfo *i = userdata; | |
4666 | const char *cond, *param; | |
4667 | int trigger, negate; | |
4668 | int32_t state; | |
4669 | int r; | |
4670 | ||
4671 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
4672 | if (r < 0) | |
4673 | return r; | |
4674 | ||
4675 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
4676 | _cleanup_(unit_condition_freep) UnitCondition *c = NULL; | |
4677 | ||
4678 | c = new(UnitCondition, 1); | |
4679 | if (!c) | |
4680 | return -ENOMEM; | |
4681 | ||
4682 | *c = (UnitCondition) { | |
4683 | .name = strdup(cond), | |
4684 | .param = strdup(param), | |
4685 | .trigger = trigger, | |
4686 | .negate = negate, | |
4687 | .tristate = state, | |
4688 | }; | |
4689 | ||
4690 | if (!c->name || !c->param) | |
4691 | return -ENOMEM; | |
4692 | ||
4693 | ||
4694 | LIST_PREPEND(conditions, i->conditions, TAKE_PTR(c)); | |
4695 | } | |
4696 | if (r < 0) | |
4697 | return r; | |
4698 | ||
4699 | r = sd_bus_message_exit_container(m); | |
4700 | if (r < 0) | |
4701 | return r; | |
4702 | ||
4703 | return 0; | |
4704 | } | |
4705 | ||
4706 | static int map_asserts(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4707 | UnitStatusInfo *i = userdata; | |
4708 | const char *cond, *param; | |
4709 | int trigger, negate; | |
4710 | int32_t state; | |
4711 | int r; | |
4712 | ||
4713 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sbbsi)"); | |
4714 | if (r < 0) | |
4715 | return r; | |
4716 | ||
4717 | while ((r = sd_bus_message_read(m, "(sbbsi)", &cond, &trigger, &negate, ¶m, &state)) > 0) { | |
4718 | if (state < 0 && (!trigger || !i->failed_assert)) { | |
4719 | i->failed_assert = cond; | |
4720 | i->failed_assert_trigger = trigger; | |
4721 | i->failed_assert_negate = negate; | |
4722 | i->failed_assert_parameter = param; | |
4723 | } | |
4724 | } | |
4725 | if (r < 0) | |
4726 | return r; | |
4727 | ||
4728 | r = sd_bus_message_exit_container(m); | |
4729 | if (r < 0) | |
4730 | return r; | |
4731 | ||
4732 | return 0; | |
4733 | } | |
4734 | ||
4735 | static int map_exec(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { | |
4736 | _cleanup_free_ ExecStatusInfo *info = NULL; | |
4737 | ExecStatusInfo *last; | |
4738 | UnitStatusInfo *i = userdata; | |
4739 | int r; | |
4740 | ||
4741 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
4742 | if (r < 0) | |
4743 | return r; | |
4744 | ||
4745 | info = new0(ExecStatusInfo, 1); | |
4746 | if (!info) | |
4747 | return -ENOMEM; | |
4748 | ||
4749 | LIST_FIND_TAIL(exec, i->exec, last); | |
4750 | ||
4751 | while ((r = exec_status_info_deserialize(m, info)) > 0) { | |
4752 | ||
4753 | info->name = strdup(member); | |
4754 | if (!info->name) | |
4755 | return -ENOMEM; | |
4756 | ||
4757 | LIST_INSERT_AFTER(exec, i->exec, last, info); | |
4758 | last = info; | |
4759 | ||
4760 | info = new0(ExecStatusInfo, 1); | |
4761 | if (!info) | |
4762 | return -ENOMEM; | |
4763 | } | |
4764 | if (r < 0) | |
4765 | return r; | |
4766 | ||
4767 | r = sd_bus_message_exit_container(m); | |
4768 | if (r < 0) | |
4769 | return r; | |
4770 | ||
4771 | return 0; | |
4772 | } | |
4773 | ||
4774 | static int print_property(const char *name, const char *expected_value, sd_bus_message *m, bool value, bool all) { | |
4775 | char bus_type; | |
4776 | const char *contents; | |
4777 | int r; | |
4778 | ||
4779 | assert(name); | |
4780 | assert(m); | |
4781 | ||
4782 | /* This is a low-level property printer, see | |
4783 | * print_status_info() for the nicer output */ | |
4784 | ||
4785 | r = sd_bus_message_peek_type(m, &bus_type, &contents); | |
4786 | if (r < 0) | |
4787 | return r; | |
4788 | ||
4789 | switch (bus_type) { | |
4790 | ||
4791 | case SD_BUS_TYPE_INT32: | |
4792 | if (endswith(name, "ActionExitStatus")) { | |
4793 | int32_t i; | |
4794 | ||
4795 | r = sd_bus_message_read_basic(m, bus_type, &i); | |
4796 | if (r < 0) | |
4797 | return r; | |
4798 | ||
4799 | if (i >= 0 && i <= 255) | |
4800 | bus_print_property_valuef(name, expected_value, value, "%"PRIi32, i); | |
4801 | else if (all) | |
4802 | bus_print_property_value(name, expected_value, value, "[not set]"); | |
4803 | ||
4804 | return 1; | |
4805 | } | |
4806 | break; | |
4807 | ||
4808 | case SD_BUS_TYPE_STRUCT: | |
4809 | ||
4810 | if (contents[0] == SD_BUS_TYPE_UINT32 && streq(name, "Job")) { | |
4811 | uint32_t u; | |
4812 | ||
4813 | r = sd_bus_message_read(m, "(uo)", &u, NULL); | |
4814 | if (r < 0) | |
4815 | return bus_log_parse_error(r); | |
4816 | ||
4817 | if (u > 0) | |
4818 | bus_print_property_valuef(name, expected_value, value, "%"PRIu32, u); | |
4819 | else if (all) | |
4820 | bus_print_property_value(name, expected_value, value, ""); | |
4821 | ||
4822 | return 1; | |
4823 | ||
4824 | } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "Unit")) { | |
4825 | const char *s; | |
4826 | ||
4827 | r = sd_bus_message_read(m, "(so)", &s, NULL); | |
4828 | if (r < 0) | |
4829 | return bus_log_parse_error(r); | |
4830 | ||
4831 | if (all || !isempty(s)) | |
4832 | bus_print_property_value(name, expected_value, value, s); | |
4833 | ||
4834 | return 1; | |
4835 | ||
4836 | } else if (contents[0] == SD_BUS_TYPE_STRING && streq(name, "LoadError")) { | |
4837 | const char *a = NULL, *b = NULL; | |
4838 | ||
4839 | r = sd_bus_message_read(m, "(ss)", &a, &b); | |
4840 | if (r < 0) | |
4841 | return bus_log_parse_error(r); | |
4842 | ||
4843 | if (!isempty(a) || !isempty(b)) | |
4844 | bus_print_property_valuef(name, expected_value, value, "%s \"%s\"", strempty(a), strempty(b)); | |
4845 | else if (all) | |
4846 | bus_print_property_value(name, expected_value, value, ""); | |
4847 | ||
4848 | return 1; | |
4849 | ||
4850 | } else if (STR_IN_SET(name, "SystemCallFilter", "RestrictAddressFamilies")) { | |
4851 | _cleanup_strv_free_ char **l = NULL; | |
4852 | int whitelist; | |
4853 | ||
4854 | r = sd_bus_message_enter_container(m, 'r', "bas"); | |
4855 | if (r < 0) | |
4856 | return bus_log_parse_error(r); | |
4857 | ||
4858 | r = sd_bus_message_read(m, "b", &whitelist); | |
4859 | if (r < 0) | |
4860 | return bus_log_parse_error(r); | |
4861 | ||
4862 | r = sd_bus_message_read_strv(m, &l); | |
4863 | if (r < 0) | |
4864 | return bus_log_parse_error(r); | |
4865 | ||
4866 | r = sd_bus_message_exit_container(m); | |
4867 | if (r < 0) | |
4868 | return bus_log_parse_error(r); | |
4869 | ||
4870 | if (all || whitelist || !strv_isempty(l)) { | |
4871 | bool first = true; | |
4872 | char **i; | |
4873 | ||
4874 | if (!value) { | |
4875 | fputs(name, stdout); | |
4876 | fputc('=', stdout); | |
4877 | } | |
4878 | ||
4879 | if (!whitelist) | |
4880 | fputc('~', stdout); | |
4881 | ||
4882 | STRV_FOREACH(i, l) { | |
4883 | if (first) | |
4884 | first = false; | |
4885 | else | |
4886 | fputc(' ', stdout); | |
4887 | ||
4888 | fputs(*i, stdout); | |
4889 | } | |
4890 | fputc('\n', stdout); | |
4891 | } | |
4892 | ||
4893 | return 1; | |
4894 | ||
4895 | } else if (STR_IN_SET(name, "SELinuxContext", "AppArmorProfile", "SmackProcessLabel")) { | |
4896 | int ignore; | |
4897 | const char *s; | |
4898 | ||
4899 | r = sd_bus_message_read(m, "(bs)", &ignore, &s); | |
4900 | if (r < 0) | |
4901 | return bus_log_parse_error(r); | |
4902 | ||
4903 | if (!isempty(s)) | |
4904 | bus_print_property_valuef(name, expected_value, value, "%s%s", ignore ? "-" : "", s); | |
4905 | else if (all) | |
4906 | bus_print_property_value(name, expected_value, value, ""); | |
4907 | ||
4908 | return 1; | |
4909 | ||
4910 | } else if (endswith(name, "ExitStatus") && streq(contents, "aiai")) { | |
4911 | const int32_t *status, *signal; | |
4912 | size_t sz_status, sz_signal, i; | |
4913 | ||
4914 | r = sd_bus_message_enter_container(m, 'r', "aiai"); | |
4915 | if (r < 0) | |
4916 | return bus_log_parse_error(r); | |
4917 | ||
4918 | r = sd_bus_message_read_array(m, 'i', (const void **) &status, &sz_status); | |
4919 | if (r < 0) | |
4920 | return bus_log_parse_error(r); | |
4921 | ||
4922 | r = sd_bus_message_read_array(m, 'i', (const void **) &signal, &sz_signal); | |
4923 | if (r < 0) | |
4924 | return bus_log_parse_error(r); | |
4925 | ||
4926 | r = sd_bus_message_exit_container(m); | |
4927 | if (r < 0) | |
4928 | return bus_log_parse_error(r); | |
4929 | ||
4930 | sz_status /= sizeof(int32_t); | |
4931 | sz_signal /= sizeof(int32_t); | |
4932 | ||
4933 | if (all || sz_status > 0 || sz_signal > 0) { | |
4934 | bool first = true; | |
4935 | ||
4936 | if (!value) { | |
4937 | fputs(name, stdout); | |
4938 | fputc('=', stdout); | |
4939 | } | |
4940 | ||
4941 | for (i = 0; i < sz_status; i++) { | |
4942 | if (status[i] < 0 || status[i] > 255) | |
4943 | continue; | |
4944 | ||
4945 | if (first) | |
4946 | first = false; | |
4947 | else | |
4948 | fputc(' ', stdout); | |
4949 | ||
4950 | printf("%"PRIi32, status[i]); | |
4951 | } | |
4952 | ||
4953 | for (i = 0; i < sz_signal; i++) { | |
4954 | const char *str; | |
4955 | ||
4956 | str = signal_to_string((int) signal[i]); | |
4957 | if (!str) | |
4958 | continue; | |
4959 | ||
4960 | if (first) | |
4961 | first = false; | |
4962 | else | |
4963 | fputc(' ', stdout); | |
4964 | ||
4965 | fputs(str, stdout); | |
4966 | } | |
4967 | ||
4968 | fputc('\n', stdout); | |
4969 | } | |
4970 | return 1; | |
4971 | } | |
4972 | ||
4973 | break; | |
4974 | ||
4975 | case SD_BUS_TYPE_ARRAY: | |
4976 | ||
4977 | if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "EnvironmentFiles")) { | |
4978 | const char *path; | |
4979 | int ignore; | |
4980 | ||
4981 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sb)"); | |
4982 | if (r < 0) | |
4983 | return bus_log_parse_error(r); | |
4984 | ||
4985 | while ((r = sd_bus_message_read(m, "(sb)", &path, &ignore)) > 0) | |
4986 | bus_print_property_valuef(name, expected_value, value, "%s (ignore_errors=%s)", path, yes_no(ignore)); | |
4987 | ||
4988 | if (r < 0) | |
4989 | return bus_log_parse_error(r); | |
4990 | ||
4991 | r = sd_bus_message_exit_container(m); | |
4992 | if (r < 0) | |
4993 | return bus_log_parse_error(r); | |
4994 | ||
4995 | return 1; | |
4996 | ||
4997 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Paths")) { | |
4998 | const char *type, *path; | |
4999 | ||
5000 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
5001 | if (r < 0) | |
5002 | return bus_log_parse_error(r); | |
5003 | ||
5004 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
5005 | bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type); | |
5006 | if (r < 0) | |
5007 | return bus_log_parse_error(r); | |
5008 | ||
5009 | r = sd_bus_message_exit_container(m); | |
5010 | if (r < 0) | |
5011 | return bus_log_parse_error(r); | |
5012 | ||
5013 | return 1; | |
5014 | ||
5015 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Listen")) { | |
5016 | const char *type, *path; | |
5017 | ||
5018 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
5019 | if (r < 0) | |
5020 | return bus_log_parse_error(r); | |
5021 | ||
5022 | while ((r = sd_bus_message_read(m, "(ss)", &type, &path)) > 0) | |
5023 | bus_print_property_valuef(name, expected_value, value, "%s (%s)", path, type); | |
5024 | if (r < 0) | |
5025 | return bus_log_parse_error(r); | |
5026 | ||
5027 | r = sd_bus_message_exit_container(m); | |
5028 | if (r < 0) | |
5029 | return bus_log_parse_error(r); | |
5030 | ||
5031 | return 1; | |
5032 | ||
5033 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersMonotonic")) { | |
5034 | const char *base; | |
5035 | uint64_t v, next_elapse; | |
5036 | ||
5037 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(stt)"); | |
5038 | if (r < 0) | |
5039 | return bus_log_parse_error(r); | |
5040 | ||
5041 | while ((r = sd_bus_message_read(m, "(stt)", &base, &v, &next_elapse)) > 0) { | |
5042 | char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX]; | |
5043 | ||
5044 | bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, | |
5045 | format_timespan(timespan1, sizeof(timespan1), v, 0), | |
5046 | format_timespan(timespan2, sizeof(timespan2), next_elapse, 0)); | |
5047 | } | |
5048 | if (r < 0) | |
5049 | return bus_log_parse_error(r); | |
5050 | ||
5051 | r = sd_bus_message_exit_container(m); | |
5052 | if (r < 0) | |
5053 | return bus_log_parse_error(r); | |
5054 | ||
5055 | return 1; | |
5056 | ||
5057 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "TimersCalendar")) { | |
5058 | const char *base, *spec; | |
5059 | uint64_t next_elapse; | |
5060 | ||
5061 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sst)"); | |
5062 | if (r < 0) | |
5063 | return bus_log_parse_error(r); | |
5064 | ||
5065 | while ((r = sd_bus_message_read(m, "(sst)", &base, &spec, &next_elapse)) > 0) { | |
5066 | char timestamp[FORMAT_TIMESTAMP_MAX]; | |
5067 | ||
5068 | bus_print_property_valuef(name, expected_value, value, "{ %s=%s ; next_elapse=%s }", base, spec, | |
5069 | format_timestamp(timestamp, sizeof(timestamp), next_elapse)); | |
5070 | } | |
5071 | if (r < 0) | |
5072 | return bus_log_parse_error(r); | |
5073 | ||
5074 | r = sd_bus_message_exit_container(m); | |
5075 | if (r < 0) | |
5076 | return bus_log_parse_error(r); | |
5077 | ||
5078 | return 1; | |
5079 | ||
5080 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && startswith(name, "Exec")) { | |
5081 | ExecStatusInfo info = {}; | |
5082 | ||
5083 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(sasbttttuii)"); | |
5084 | if (r < 0) | |
5085 | return bus_log_parse_error(r); | |
5086 | ||
5087 | while ((r = exec_status_info_deserialize(m, &info)) > 0) { | |
5088 | char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX]; | |
5089 | _cleanup_free_ char *tt; | |
5090 | ||
5091 | tt = strv_join(info.argv, " "); | |
5092 | ||
5093 | bus_print_property_valuef(name, expected_value, value, | |
5094 | "{ path=%s ; argv[]=%s ; ignore_errors=%s ; start_time=[%s] ; stop_time=[%s] ; pid="PID_FMT" ; code=%s ; status=%i%s%s }", | |
5095 | strna(info.path), | |
5096 | strna(tt), | |
5097 | yes_no(info.ignore), | |
5098 | strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), | |
5099 | strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), | |
5100 | info.pid, | |
5101 | sigchld_code_to_string(info.code), | |
5102 | info.status, | |
5103 | info.code == CLD_EXITED ? "" : "/", | |
5104 | strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); | |
5105 | ||
5106 | free(info.path); | |
5107 | strv_free(info.argv); | |
5108 | zero(info); | |
5109 | } | |
5110 | ||
5111 | r = sd_bus_message_exit_container(m); | |
5112 | if (r < 0) | |
5113 | return bus_log_parse_error(r); | |
5114 | ||
5115 | return 1; | |
5116 | ||
5117 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "DeviceAllow")) { | |
5118 | const char *path, *rwm; | |
5119 | ||
5120 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
5121 | if (r < 0) | |
5122 | return bus_log_parse_error(r); | |
5123 | ||
5124 | while ((r = sd_bus_message_read(m, "(ss)", &path, &rwm)) > 0) | |
5125 | bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), strna(rwm)); | |
5126 | if (r < 0) | |
5127 | return bus_log_parse_error(r); | |
5128 | ||
5129 | r = sd_bus_message_exit_container(m); | |
5130 | if (r < 0) | |
5131 | return bus_log_parse_error(r); | |
5132 | ||
5133 | return 1; | |
5134 | ||
5135 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && | |
5136 | STR_IN_SET(name, "IODeviceWeight", "BlockIODeviceWeight")) { | |
5137 | const char *path; | |
5138 | uint64_t weight; | |
5139 | ||
5140 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
5141 | if (r < 0) | |
5142 | return bus_log_parse_error(r); | |
5143 | ||
5144 | while ((r = sd_bus_message_read(m, "(st)", &path, &weight)) > 0) | |
5145 | bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), weight); | |
5146 | if (r < 0) | |
5147 | return bus_log_parse_error(r); | |
5148 | ||
5149 | r = sd_bus_message_exit_container(m); | |
5150 | if (r < 0) | |
5151 | return bus_log_parse_error(r); | |
5152 | ||
5153 | return 1; | |
5154 | ||
5155 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && | |
5156 | (cgroup_io_limit_type_from_string(name) >= 0 || | |
5157 | STR_IN_SET(name, "BlockIOReadBandwidth", "BlockIOWriteBandwidth"))) { | |
5158 | const char *path; | |
5159 | uint64_t bandwidth; | |
5160 | ||
5161 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
5162 | if (r < 0) | |
5163 | return bus_log_parse_error(r); | |
5164 | ||
5165 | while ((r = sd_bus_message_read(m, "(st)", &path, &bandwidth)) > 0) | |
5166 | bus_print_property_valuef(name, expected_value, value, "%s %"PRIu64, strna(path), bandwidth); | |
5167 | if (r < 0) | |
5168 | return bus_log_parse_error(r); | |
5169 | ||
5170 | r = sd_bus_message_exit_container(m); | |
5171 | if (r < 0) | |
5172 | return bus_log_parse_error(r); | |
5173 | ||
5174 | return 1; | |
5175 | ||
5176 | } else if (contents[0] == SD_BUS_TYPE_STRUCT_BEGIN && | |
5177 | streq(name, "IODeviceLatencyTargetUSec")) { | |
5178 | char ts[FORMAT_TIMESPAN_MAX]; | |
5179 | const char *path; | |
5180 | uint64_t target; | |
5181 | ||
5182 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(st)"); | |
5183 | if (r < 0) | |
5184 | return bus_log_parse_error(r); | |
5185 | ||
5186 | while ((r = sd_bus_message_read(m, "(st)", &path, &target)) > 0) | |
5187 | bus_print_property_valuef(name, expected_value, value, "%s %s", strna(path), | |
5188 | format_timespan(ts, sizeof(ts), target, 1)); | |
5189 | if (r < 0) | |
5190 | return bus_log_parse_error(r); | |
5191 | ||
5192 | r = sd_bus_message_exit_container(m); | |
5193 | if (r < 0) | |
5194 | return bus_log_parse_error(r); | |
5195 | ||
5196 | return 1; | |
5197 | ||
5198 | } else if (contents[0] == SD_BUS_TYPE_BYTE && streq(name, "StandardInputData")) { | |
5199 | _cleanup_free_ char *h = NULL; | |
5200 | const void *p; | |
5201 | size_t sz; | |
5202 | ssize_t n; | |
5203 | ||
5204 | r = sd_bus_message_read_array(m, 'y', &p, &sz); | |
5205 | if (r < 0) | |
5206 | return bus_log_parse_error(r); | |
5207 | ||
5208 | n = base64mem(p, sz, &h); | |
5209 | if (n < 0) | |
5210 | return log_oom(); | |
5211 | ||
5212 | bus_print_property_value(name, expected_value, value, h); | |
5213 | ||
5214 | return 1; | |
5215 | ||
5216 | } else if (STR_IN_SET(name, "IPAddressAllow", "IPAddressDeny")) { | |
5217 | _cleanup_free_ char *addresses = NULL; | |
5218 | ||
5219 | r = sd_bus_message_enter_container(m, 'a', "(iayu)"); | |
5220 | if (r < 0) | |
5221 | return bus_log_parse_error(r); | |
5222 | ||
5223 | for (;;) { | |
5224 | _cleanup_free_ char *str = NULL; | |
5225 | uint32_t prefixlen; | |
5226 | int32_t family; | |
5227 | const void *ap; | |
5228 | size_t an; | |
5229 | ||
5230 | r = sd_bus_message_enter_container(m, 'r', "iayu"); | |
5231 | if (r < 0) | |
5232 | return bus_log_parse_error(r); | |
5233 | if (r == 0) | |
5234 | break; | |
5235 | ||
5236 | r = sd_bus_message_read(m, "i", &family); | |
5237 | if (r < 0) | |
5238 | return bus_log_parse_error(r); | |
5239 | ||
5240 | r = sd_bus_message_read_array(m, 'y', &ap, &an); | |
5241 | if (r < 0) | |
5242 | return bus_log_parse_error(r); | |
5243 | ||
5244 | r = sd_bus_message_read(m, "u", &prefixlen); | |
5245 | if (r < 0) | |
5246 | return bus_log_parse_error(r); | |
5247 | ||
5248 | r = sd_bus_message_exit_container(m); | |
5249 | if (r < 0) | |
5250 | return bus_log_parse_error(r); | |
5251 | ||
5252 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
5253 | continue; | |
5254 | ||
5255 | if (an != FAMILY_ADDRESS_SIZE(family)) | |
5256 | continue; | |
5257 | ||
5258 | if (prefixlen > FAMILY_ADDRESS_SIZE(family) * 8) | |
5259 | continue; | |
5260 | ||
5261 | if (in_addr_prefix_to_string(family, (union in_addr_union *) ap, prefixlen, &str) < 0) | |
5262 | continue; | |
5263 | ||
5264 | if (!strextend_with_separator(&addresses, " ", str, NULL)) | |
5265 | return log_oom(); | |
5266 | } | |
5267 | ||
5268 | r = sd_bus_message_exit_container(m); | |
5269 | if (r < 0) | |
5270 | return bus_log_parse_error(r); | |
5271 | ||
5272 | if (all || !isempty(addresses)) | |
5273 | bus_print_property_value(name, expected_value, value, strempty(addresses)); | |
5274 | ||
5275 | return 1; | |
5276 | ||
5277 | } else if (STR_IN_SET(name, "BindPaths", "BindReadOnlyPaths")) { | |
5278 | _cleanup_free_ char *paths = NULL; | |
5279 | const char *source, *dest; | |
5280 | int ignore_enoent; | |
5281 | uint64_t rbind; | |
5282 | ||
5283 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ssbt)"); | |
5284 | if (r < 0) | |
5285 | return bus_log_parse_error(r); | |
5286 | ||
5287 | while ((r = sd_bus_message_read(m, "(ssbt)", &source, &dest, &ignore_enoent, &rbind)) > 0) { | |
5288 | _cleanup_free_ char *str = NULL; | |
5289 | ||
5290 | if (isempty(source)) | |
5291 | continue; | |
5292 | ||
5293 | if (asprintf(&str, "%s%s%s%s%s", | |
5294 | ignore_enoent ? "-" : "", | |
5295 | source, | |
5296 | isempty(dest) ? "" : ":", | |
5297 | strempty(dest), | |
5298 | rbind == MS_REC ? ":rbind" : "") < 0) | |
5299 | return log_oom(); | |
5300 | ||
5301 | if (!strextend_with_separator(&paths, " ", str, NULL)) | |
5302 | return log_oom(); | |
5303 | } | |
5304 | if (r < 0) | |
5305 | return bus_log_parse_error(r); | |
5306 | ||
5307 | r = sd_bus_message_exit_container(m); | |
5308 | if (r < 0) | |
5309 | return bus_log_parse_error(r); | |
5310 | ||
5311 | if (all || !isempty(paths)) | |
5312 | bus_print_property_value(name, expected_value, value, strempty(paths)); | |
5313 | ||
5314 | return 1; | |
5315 | ||
5316 | } else if (streq(name, "TemporaryFileSystem")) { | |
5317 | _cleanup_free_ char *paths = NULL; | |
5318 | const char *target, *option; | |
5319 | ||
5320 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(ss)"); | |
5321 | if (r < 0) | |
5322 | return bus_log_parse_error(r); | |
5323 | ||
5324 | while ((r = sd_bus_message_read(m, "(ss)", &target, &option)) > 0) { | |
5325 | _cleanup_free_ char *str = NULL; | |
5326 | ||
5327 | if (isempty(target)) | |
5328 | continue; | |
5329 | ||
5330 | if (asprintf(&str, "%s%s%s", target, isempty(option) ? "" : ":", strempty(option)) < 0) | |
5331 | return log_oom(); | |
5332 | ||
5333 | if (!strextend_with_separator(&paths, " ", str, NULL)) | |
5334 | return log_oom(); | |
5335 | } | |
5336 | if (r < 0) | |
5337 | return bus_log_parse_error(r); | |
5338 | ||
5339 | r = sd_bus_message_exit_container(m); | |
5340 | if (r < 0) | |
5341 | return bus_log_parse_error(r); | |
5342 | ||
5343 | if (all || !isempty(paths)) | |
5344 | bus_print_property_value(name, expected_value, value, strempty(paths)); | |
5345 | ||
5346 | return 1; | |
5347 | ||
5348 | } else if (streq(name, "LogExtraFields")) { | |
5349 | _cleanup_free_ char *fields = NULL; | |
5350 | const void *p; | |
5351 | size_t sz; | |
5352 | ||
5353 | r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "ay"); | |
5354 | if (r < 0) | |
5355 | return bus_log_parse_error(r); | |
5356 | ||
5357 | while ((r = sd_bus_message_read_array(m, 'y', &p, &sz)) > 0) { | |
5358 | _cleanup_free_ char *str = NULL; | |
5359 | const char *eq; | |
5360 | ||
5361 | if (memchr(p, 0, sz)) | |
5362 | continue; | |
5363 | ||
5364 | eq = memchr(p, '=', sz); | |
5365 | if (!eq) | |
5366 | continue; | |
5367 | ||
5368 | if (!journal_field_valid(p, eq - (const char*) p, false)) | |
5369 | continue; | |
5370 | ||
5371 | str = malloc(sz + 1); | |
5372 | if (!str) | |
5373 | return log_oom(); | |
5374 | ||
5375 | memcpy(str, p, sz); | |
5376 | str[sz] = '\0'; | |
5377 | ||
5378 | if (!utf8_is_valid(str)) | |
5379 | continue; | |
5380 | ||
5381 | if (!strextend_with_separator(&fields, " ", str, NULL)) | |
5382 | return log_oom(); | |
5383 | } | |
5384 | if (r < 0) | |
5385 | return bus_log_parse_error(r); | |
5386 | ||
5387 | r = sd_bus_message_exit_container(m); | |
5388 | if (r < 0) | |
5389 | return bus_log_parse_error(r); | |
5390 | ||
5391 | if (all || !isempty(fields)) | |
5392 | bus_print_property_value(name, expected_value, value, strempty(fields)); | |
5393 | ||
5394 | return 1; | |
5395 | } | |
5396 | ||
5397 | break; | |
5398 | } | |
5399 | ||
5400 | return 0; | |
5401 | } | |
5402 | ||
5403 | typedef enum SystemctlShowMode{ | |
5404 | SYSTEMCTL_SHOW_PROPERTIES, | |
5405 | SYSTEMCTL_SHOW_STATUS, | |
5406 | SYSTEMCTL_SHOW_HELP, | |
5407 | _SYSTEMCTL_SHOW_MODE_MAX, | |
5408 | _SYSTEMCTL_SHOW_MODE_INVALID = -1, | |
5409 | } SystemctlShowMode; | |
5410 | ||
5411 | static const char* const systemctl_show_mode_table[_SYSTEMCTL_SHOW_MODE_MAX] = { | |
5412 | [SYSTEMCTL_SHOW_PROPERTIES] = "show", | |
5413 | [SYSTEMCTL_SHOW_STATUS] = "status", | |
5414 | [SYSTEMCTL_SHOW_HELP] = "help", | |
5415 | }; | |
5416 | ||
5417 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(systemctl_show_mode, SystemctlShowMode); | |
5418 | ||
5419 | static int show_one( | |
5420 | sd_bus *bus, | |
5421 | const char *path, | |
5422 | const char *unit, | |
5423 | SystemctlShowMode show_mode, | |
5424 | bool *new_line, | |
5425 | bool *ellipsized) { | |
5426 | ||
5427 | static const struct bus_properties_map property_map[] = { | |
5428 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
5429 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
5430 | { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) }, | |
5431 | {} | |
5432 | }, status_map[] = { | |
5433 | { "Id", "s", NULL, offsetof(UnitStatusInfo, id) }, | |
5434 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
5435 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state) }, | |
5436 | { "SubState", "s", NULL, offsetof(UnitStatusInfo, sub_state) }, | |
5437 | { "UnitFileState", "s", NULL, offsetof(UnitStatusInfo, unit_file_state) }, | |
5438 | { "UnitFilePreset", "s", NULL, offsetof(UnitStatusInfo, unit_file_preset) }, | |
5439 | { "Description", "s", NULL, offsetof(UnitStatusInfo, description) }, | |
5440 | { "Following", "s", NULL, offsetof(UnitStatusInfo, following) }, | |
5441 | { "Documentation", "as", NULL, offsetof(UnitStatusInfo, documentation) }, | |
5442 | { "FragmentPath", "s", NULL, offsetof(UnitStatusInfo, fragment_path) }, | |
5443 | { "SourcePath", "s", NULL, offsetof(UnitStatusInfo, source_path) }, | |
5444 | { "ControlGroup", "s", NULL, offsetof(UnitStatusInfo, control_group) }, | |
5445 | { "DropInPaths", "as", NULL, offsetof(UnitStatusInfo, dropin_paths) }, | |
5446 | { "LoadError", "(ss)", map_load_error, offsetof(UnitStatusInfo, load_error) }, | |
5447 | { "Result", "s", NULL, offsetof(UnitStatusInfo, result) }, | |
5448 | { "InactiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp) }, | |
5449 | { "InactiveExitTimestampMonotonic", "t", NULL, offsetof(UnitStatusInfo, inactive_exit_timestamp_monotonic) }, | |
5450 | { "ActiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_enter_timestamp) }, | |
5451 | { "ActiveExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, active_exit_timestamp) }, | |
5452 | { "InactiveEnterTimestamp", "t", NULL, offsetof(UnitStatusInfo, inactive_enter_timestamp) }, | |
5453 | { "NeedDaemonReload", "b", NULL, offsetof(UnitStatusInfo, need_daemon_reload) }, | |
5454 | { "Transient", "b", NULL, offsetof(UnitStatusInfo, transient) }, | |
5455 | { "ExecMainPID", "u", NULL, offsetof(UnitStatusInfo, main_pid) }, | |
5456 | { "MainPID", "u", map_main_pid, 0 }, | |
5457 | { "ControlPID", "u", NULL, offsetof(UnitStatusInfo, control_pid) }, | |
5458 | { "StatusText", "s", NULL, offsetof(UnitStatusInfo, status_text) }, | |
5459 | { "PIDFile", "s", NULL, offsetof(UnitStatusInfo, pid_file) }, | |
5460 | { "StatusErrno", "i", NULL, offsetof(UnitStatusInfo, status_errno) }, | |
5461 | { "ExecMainStartTimestamp", "t", NULL, offsetof(UnitStatusInfo, start_timestamp) }, | |
5462 | { "ExecMainExitTimestamp", "t", NULL, offsetof(UnitStatusInfo, exit_timestamp) }, | |
5463 | { "ExecMainCode", "i", NULL, offsetof(UnitStatusInfo, exit_code) }, | |
5464 | { "ExecMainStatus", "i", NULL, offsetof(UnitStatusInfo, exit_status) }, | |
5465 | { "ConditionTimestamp", "t", NULL, offsetof(UnitStatusInfo, condition_timestamp) }, | |
5466 | { "ConditionResult", "b", NULL, offsetof(UnitStatusInfo, condition_result) }, | |
5467 | { "Conditions", "a(sbbsi)", map_conditions, 0 }, | |
5468 | { "AssertTimestamp", "t", NULL, offsetof(UnitStatusInfo, assert_timestamp) }, | |
5469 | { "AssertResult", "b", NULL, offsetof(UnitStatusInfo, assert_result) }, | |
5470 | { "Asserts", "a(sbbsi)", map_asserts, 0 }, | |
5471 | { "NextElapseUSecRealtime", "t", NULL, offsetof(UnitStatusInfo, next_elapse_real) }, | |
5472 | { "NextElapseUSecMonotonic", "t", NULL, offsetof(UnitStatusInfo, next_elapse_monotonic) }, | |
5473 | { "NAccepted", "u", NULL, offsetof(UnitStatusInfo, n_accepted) }, | |
5474 | { "NConnections", "u", NULL, offsetof(UnitStatusInfo, n_connections) }, | |
5475 | { "NRefused", "u", NULL, offsetof(UnitStatusInfo, n_refused) }, | |
5476 | { "Accept", "b", NULL, offsetof(UnitStatusInfo, accept) }, | |
5477 | { "Listen", "a(ss)", map_listen, offsetof(UnitStatusInfo, listen) }, | |
5478 | { "SysFSPath", "s", NULL, offsetof(UnitStatusInfo, sysfs_path) }, | |
5479 | { "Where", "s", NULL, offsetof(UnitStatusInfo, where) }, | |
5480 | { "What", "s", NULL, offsetof(UnitStatusInfo, what) }, | |
5481 | { "MemoryCurrent", "t", NULL, offsetof(UnitStatusInfo, memory_current) }, | |
5482 | { "MemoryMin", "t", NULL, offsetof(UnitStatusInfo, memory_min) }, | |
5483 | { "MemoryLow", "t", NULL, offsetof(UnitStatusInfo, memory_low) }, | |
5484 | { "MemoryHigh", "t", NULL, offsetof(UnitStatusInfo, memory_high) }, | |
5485 | { "MemoryMax", "t", NULL, offsetof(UnitStatusInfo, memory_max) }, | |
5486 | { "MemorySwapMax", "t", NULL, offsetof(UnitStatusInfo, memory_swap_max) }, | |
5487 | { "MemoryLimit", "t", NULL, offsetof(UnitStatusInfo, memory_limit) }, | |
5488 | { "CPUUsageNSec", "t", NULL, offsetof(UnitStatusInfo, cpu_usage_nsec) }, | |
5489 | { "TasksCurrent", "t", NULL, offsetof(UnitStatusInfo, tasks_current) }, | |
5490 | { "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) }, | |
5491 | { "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) }, | |
5492 | { "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) }, | |
5493 | { "ExecStartPre", "a(sasbttttuii)", map_exec, 0 }, | |
5494 | { "ExecStart", "a(sasbttttuii)", map_exec, 0 }, | |
5495 | { "ExecStartPost", "a(sasbttttuii)", map_exec, 0 }, | |
5496 | { "ExecReload", "a(sasbttttuii)", map_exec, 0 }, | |
5497 | { "ExecStopPre", "a(sasbttttuii)", map_exec, 0 }, | |
5498 | { "ExecStop", "a(sasbttttuii)", map_exec, 0 }, | |
5499 | { "ExecStopPost", "a(sasbttttuii)", map_exec, 0 }, | |
5500 | {} | |
5501 | }; | |
5502 | ||
5503 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5504 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5505 | _cleanup_set_free_ Set *found_properties = NULL; | |
5506 | _cleanup_(unit_status_info_free) UnitStatusInfo info = { | |
5507 | .memory_current = (uint64_t) -1, | |
5508 | .memory_high = CGROUP_LIMIT_MAX, | |
5509 | .memory_max = CGROUP_LIMIT_MAX, | |
5510 | .memory_swap_max = CGROUP_LIMIT_MAX, | |
5511 | .memory_limit = (uint64_t) -1, | |
5512 | .cpu_usage_nsec = (uint64_t) -1, | |
5513 | .tasks_current = (uint64_t) -1, | |
5514 | .tasks_max = (uint64_t) -1, | |
5515 | .ip_ingress_bytes = (uint64_t) -1, | |
5516 | .ip_egress_bytes = (uint64_t) -1, | |
5517 | }; | |
5518 | char **pp; | |
5519 | int r; | |
5520 | ||
5521 | assert(path); | |
5522 | assert(new_line); | |
5523 | ||
5524 | log_debug("Showing one %s", path); | |
5525 | ||
5526 | r = bus_map_all_properties( | |
5527 | bus, | |
5528 | "org.freedesktop.systemd1", | |
5529 | path, | |
5530 | show_mode == SYSTEMCTL_SHOW_STATUS ? status_map : property_map, | |
5531 | BUS_MAP_BOOLEAN_AS_BOOL, | |
5532 | &error, | |
5533 | &reply, | |
5534 | &info); | |
5535 | if (r < 0) | |
5536 | return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); | |
5537 | ||
5538 | if (unit && streq_ptr(info.load_state, "not-found") && streq_ptr(info.active_state, "inactive")) { | |
5539 | log_full(show_mode == SYSTEMCTL_SHOW_STATUS ? LOG_ERR : LOG_DEBUG, | |
5540 | "Unit %s could not be found.", unit); | |
5541 | ||
5542 | if (show_mode == SYSTEMCTL_SHOW_STATUS) | |
5543 | return EXIT_PROGRAM_OR_SERVICES_STATUS_UNKNOWN; | |
5544 | else if (show_mode == SYSTEMCTL_SHOW_HELP) | |
5545 | return -ENOENT; | |
5546 | } | |
5547 | ||
5548 | if (*new_line) | |
5549 | printf("\n"); | |
5550 | ||
5551 | *new_line = true; | |
5552 | ||
5553 | if (show_mode == SYSTEMCTL_SHOW_STATUS) { | |
5554 | print_status_info(bus, &info, ellipsized); | |
5555 | ||
5556 | if (info.active_state && !STR_IN_SET(info.active_state, "active", "reloading")) | |
5557 | return EXIT_PROGRAM_NOT_RUNNING; | |
5558 | ||
5559 | return EXIT_PROGRAM_RUNNING_OR_SERVICE_OK; | |
5560 | ||
5561 | } else if (show_mode == SYSTEMCTL_SHOW_HELP) { | |
5562 | show_unit_help(&info); | |
5563 | return 0; | |
5564 | } | |
5565 | ||
5566 | r = sd_bus_message_rewind(reply, true); | |
5567 | if (r < 0) | |
5568 | return log_error_errno(r, "Failed to rewind: %s", bus_error_message(&error, r)); | |
5569 | ||
5570 | r = bus_message_print_all_properties(reply, print_property, arg_properties, arg_value, arg_all, &found_properties); | |
5571 | if (r < 0) | |
5572 | return bus_log_parse_error(r); | |
5573 | ||
5574 | STRV_FOREACH(pp, arg_properties) | |
5575 | if (!set_contains(found_properties, *pp)) | |
5576 | log_debug("Property %s does not exist.", *pp); | |
5577 | ||
5578 | return 0; | |
5579 | } | |
5580 | ||
5581 | static int get_unit_dbus_path_by_pid( | |
5582 | sd_bus *bus, | |
5583 | uint32_t pid, | |
5584 | char **unit) { | |
5585 | ||
5586 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5587 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5588 | char *u; | |
5589 | int r; | |
5590 | ||
5591 | r = sd_bus_call_method( | |
5592 | bus, | |
5593 | "org.freedesktop.systemd1", | |
5594 | "/org/freedesktop/systemd1", | |
5595 | "org.freedesktop.systemd1.Manager", | |
5596 | "GetUnitByPID", | |
5597 | &error, | |
5598 | &reply, | |
5599 | "u", pid); | |
5600 | if (r < 0) | |
5601 | return log_error_errno(r, "Failed to get unit for PID %"PRIu32": %s", pid, bus_error_message(&error, r)); | |
5602 | ||
5603 | r = sd_bus_message_read(reply, "o", &u); | |
5604 | if (r < 0) | |
5605 | return bus_log_parse_error(r); | |
5606 | ||
5607 | u = strdup(u); | |
5608 | if (!u) | |
5609 | return log_oom(); | |
5610 | ||
5611 | *unit = u; | |
5612 | return 0; | |
5613 | } | |
5614 | ||
5615 | static int show_all( | |
5616 | sd_bus *bus, | |
5617 | bool *new_line, | |
5618 | bool *ellipsized) { | |
5619 | ||
5620 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
5621 | _cleanup_free_ UnitInfo *unit_infos = NULL; | |
5622 | const UnitInfo *u; | |
5623 | unsigned c; | |
5624 | int r, ret = 0; | |
5625 | ||
5626 | r = get_unit_list(bus, NULL, NULL, &unit_infos, 0, &reply); | |
5627 | if (r < 0) | |
5628 | return r; | |
5629 | ||
5630 | (void) pager_open(arg_pager_flags); | |
5631 | ||
5632 | c = (unsigned) r; | |
5633 | ||
5634 | typesafe_qsort(unit_infos, c, compare_unit_info); | |
5635 | ||
5636 | for (u = unit_infos; u < unit_infos + c; u++) { | |
5637 | _cleanup_free_ char *p = NULL; | |
5638 | ||
5639 | p = unit_dbus_path_from_name(u->id); | |
5640 | if (!p) | |
5641 | return log_oom(); | |
5642 | ||
5643 | r = show_one(bus, p, u->id, SYSTEMCTL_SHOW_STATUS, new_line, ellipsized); | |
5644 | if (r < 0) | |
5645 | return r; | |
5646 | else if (r > 0 && ret == 0) | |
5647 | ret = r; | |
5648 | } | |
5649 | ||
5650 | return ret; | |
5651 | } | |
5652 | ||
5653 | static int show_system_status(sd_bus *bus) { | |
5654 | char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], since2[FORMAT_TIMESTAMP_MAX]; | |
5655 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5656 | _cleanup_(machine_info_clear) struct machine_info mi = {}; | |
5657 | _cleanup_free_ char *hn = NULL; | |
5658 | const char *on, *off; | |
5659 | int r; | |
5660 | ||
5661 | hn = gethostname_malloc(); | |
5662 | if (!hn) | |
5663 | return log_oom(); | |
5664 | ||
5665 | r = bus_map_all_properties( | |
5666 | bus, | |
5667 | "org.freedesktop.systemd1", | |
5668 | "/org/freedesktop/systemd1", | |
5669 | machine_info_property_map, | |
5670 | BUS_MAP_STRDUP, | |
5671 | &error, | |
5672 | NULL, | |
5673 | &mi); | |
5674 | if (r < 0) | |
5675 | return log_error_errno(r, "Failed to read server status: %s", bus_error_message(&error, r)); | |
5676 | ||
5677 | if (streq_ptr(mi.state, "degraded")) { | |
5678 | on = ansi_highlight_red(); | |
5679 | off = ansi_normal(); | |
5680 | } else if (streq_ptr(mi.state, "running")) { | |
5681 | on = ansi_highlight_green(); | |
5682 | off = ansi_normal(); | |
5683 | } else { | |
5684 | on = ansi_highlight_yellow(); | |
5685 | off = ansi_normal(); | |
5686 | } | |
5687 | ||
5688 | printf("%s%s%s %s\n", on, special_glyph(SPECIAL_GLYPH_BLACK_CIRCLE), off, arg_host ? arg_host : hn); | |
5689 | ||
5690 | printf(" State: %s%s%s\n", | |
5691 | on, strna(mi.state), off); | |
5692 | ||
5693 | printf(" Jobs: %" PRIu32 " queued\n", mi.n_jobs); | |
5694 | printf(" Failed: %" PRIu32 " units\n", mi.n_failed_units); | |
5695 | ||
5696 | printf(" Since: %s; %s\n", | |
5697 | format_timestamp(since2, sizeof(since2), mi.timestamp), | |
5698 | format_timestamp_relative(since1, sizeof(since1), mi.timestamp)); | |
5699 | ||
5700 | printf(" CGroup: %s\n", mi.control_group ?: "/"); | |
5701 | if (IN_SET(arg_transport, | |
5702 | BUS_TRANSPORT_LOCAL, | |
5703 | BUS_TRANSPORT_MACHINE)) { | |
5704 | static const char prefix[] = " "; | |
5705 | unsigned c; | |
5706 | ||
5707 | c = columns(); | |
5708 | if (c > sizeof(prefix) - 1) | |
5709 | c -= sizeof(prefix) - 1; | |
5710 | else | |
5711 | c = 0; | |
5712 | ||
5713 | show_cgroup(SYSTEMD_CGROUP_CONTROLLER, strempty(mi.control_group), prefix, c, get_output_flags()); | |
5714 | } | |
5715 | ||
5716 | return 0; | |
5717 | } | |
5718 | ||
5719 | static int show(int argc, char *argv[], void *userdata) { | |
5720 | bool new_line = false, ellipsized = false; | |
5721 | SystemctlShowMode show_mode; | |
5722 | int r, ret = 0; | |
5723 | sd_bus *bus; | |
5724 | ||
5725 | assert(argv); | |
5726 | ||
5727 | show_mode = systemctl_show_mode_from_string(argv[0]); | |
5728 | if (show_mode < 0) | |
5729 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
5730 | "Invalid argument."); | |
5731 | ||
5732 | if (show_mode == SYSTEMCTL_SHOW_HELP && argc <= 1) | |
5733 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
5734 | "This command expects one or more unit names. Did you mean --help?"); | |
5735 | ||
5736 | r = acquire_bus(BUS_MANAGER, &bus); | |
5737 | if (r < 0) | |
5738 | return r; | |
5739 | ||
5740 | (void) pager_open(arg_pager_flags); | |
5741 | ||
5742 | /* If no argument is specified inspect the manager itself */ | |
5743 | if (show_mode == SYSTEMCTL_SHOW_PROPERTIES && argc <= 1) | |
5744 | return show_one(bus, "/org/freedesktop/systemd1", NULL, show_mode, &new_line, &ellipsized); | |
5745 | ||
5746 | if (show_mode == SYSTEMCTL_SHOW_STATUS && argc <= 1) { | |
5747 | ||
5748 | show_system_status(bus); | |
5749 | new_line = true; | |
5750 | ||
5751 | if (arg_all) | |
5752 | ret = show_all(bus, &new_line, &ellipsized); | |
5753 | } else { | |
5754 | _cleanup_free_ char **patterns = NULL; | |
5755 | char **name; | |
5756 | ||
5757 | STRV_FOREACH(name, strv_skip(argv, 1)) { | |
5758 | _cleanup_free_ char *path = NULL, *unit = NULL; | |
5759 | uint32_t id; | |
5760 | ||
5761 | if (safe_atou32(*name, &id) < 0) { | |
5762 | if (strv_push(&patterns, *name) < 0) | |
5763 | return log_oom(); | |
5764 | ||
5765 | continue; | |
5766 | } else if (show_mode == SYSTEMCTL_SHOW_PROPERTIES) { | |
5767 | /* Interpret as job id */ | |
5768 | if (asprintf(&path, "/org/freedesktop/systemd1/job/%u", id) < 0) | |
5769 | return log_oom(); | |
5770 | ||
5771 | } else { | |
5772 | /* Interpret as PID */ | |
5773 | r = get_unit_dbus_path_by_pid(bus, id, &path); | |
5774 | if (r < 0) { | |
5775 | ret = r; | |
5776 | continue; | |
5777 | } | |
5778 | ||
5779 | r = unit_name_from_dbus_path(path, &unit); | |
5780 | if (r < 0) | |
5781 | return log_oom(); | |
5782 | } | |
5783 | ||
5784 | r = show_one(bus, path, unit, show_mode, &new_line, &ellipsized); | |
5785 | if (r < 0) | |
5786 | return r; | |
5787 | else if (r > 0 && ret == 0) | |
5788 | ret = r; | |
5789 | } | |
5790 | ||
5791 | if (!strv_isempty(patterns)) { | |
5792 | _cleanup_strv_free_ char **names = NULL; | |
5793 | ||
5794 | r = expand_names(bus, patterns, NULL, &names); | |
5795 | if (r < 0) | |
5796 | return log_error_errno(r, "Failed to expand names: %m"); | |
5797 | ||
5798 | STRV_FOREACH(name, names) { | |
5799 | _cleanup_free_ char *path; | |
5800 | ||
5801 | path = unit_dbus_path_from_name(*name); | |
5802 | if (!path) | |
5803 | return log_oom(); | |
5804 | ||
5805 | r = show_one(bus, path, *name, show_mode, &new_line, &ellipsized); | |
5806 | if (r < 0) | |
5807 | return r; | |
5808 | if (r > 0 && ret == 0) | |
5809 | ret = r; | |
5810 | } | |
5811 | } | |
5812 | } | |
5813 | ||
5814 | if (ellipsized && !arg_quiet) | |
5815 | printf("Hint: Some lines were ellipsized, use -l to show in full.\n"); | |
5816 | ||
5817 | return ret; | |
5818 | } | |
5819 | ||
5820 | static int cat(int argc, char *argv[], void *userdata) { | |
5821 | _cleanup_(lookup_paths_free) LookupPaths lp = {}; | |
5822 | _cleanup_strv_free_ char **names = NULL; | |
5823 | char **name; | |
5824 | sd_bus *bus; | |
5825 | bool first = true; | |
5826 | int r; | |
5827 | ||
5828 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
5829 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot remotely cat units."); | |
5830 | ||
5831 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
5832 | if (r < 0) | |
5833 | return log_error_errno(r, "Failed to determine unit paths: %m"); | |
5834 | ||
5835 | r = acquire_bus(BUS_MANAGER, &bus); | |
5836 | if (r < 0) | |
5837 | return r; | |
5838 | ||
5839 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
5840 | if (r < 0) | |
5841 | return log_error_errno(r, "Failed to expand names: %m"); | |
5842 | ||
5843 | (void) pager_open(arg_pager_flags); | |
5844 | ||
5845 | STRV_FOREACH(name, names) { | |
5846 | _cleanup_free_ char *fragment_path = NULL; | |
5847 | _cleanup_strv_free_ char **dropin_paths = NULL; | |
5848 | ||
5849 | r = unit_find_paths(bus, *name, &lp, false, &fragment_path, &dropin_paths); | |
5850 | if (r == -ERFKILL) { | |
5851 | printf("%s# Unit %s is masked%s.\n", | |
5852 | ansi_highlight_magenta(), | |
5853 | *name, | |
5854 | ansi_normal()); | |
5855 | continue; | |
5856 | } | |
5857 | if (r == -EKEYREJECTED) { | |
5858 | printf("%s# Unit %s could not be loaded.%s\n", | |
5859 | ansi_highlight_magenta(), | |
5860 | *name, | |
5861 | ansi_normal()); | |
5862 | continue; | |
5863 | } | |
5864 | if (r < 0) | |
5865 | return r; | |
5866 | if (r == 0) | |
5867 | return -ENOENT; | |
5868 | ||
5869 | if (first) | |
5870 | first = false; | |
5871 | else | |
5872 | puts(""); | |
5873 | ||
5874 | if (need_daemon_reload(bus, *name) > 0) /* ignore errors (<0), this is informational output */ | |
5875 | fprintf(stderr, | |
5876 | "%s# Warning: %s changed on disk, the version systemd has loaded is outdated.\n" | |
5877 | "%s# This output shows the current version of the unit's original fragment and drop-in files.\n" | |
5878 | "%s# If fragments or drop-ins were added or removed, they are not properly reflected in this output.\n" | |
5879 | "%s# Run 'systemctl%s daemon-reload' to reload units.%s\n", | |
5880 | ansi_highlight_red(), | |
5881 | *name, | |
5882 | ansi_highlight_red(), | |
5883 | ansi_highlight_red(), | |
5884 | ansi_highlight_red(), | |
5885 | arg_scope == UNIT_FILE_SYSTEM ? "" : " --user", | |
5886 | ansi_normal()); | |
5887 | ||
5888 | r = cat_files(fragment_path, dropin_paths, 0); | |
5889 | if (r < 0) | |
5890 | return r; | |
5891 | } | |
5892 | ||
5893 | return 0; | |
5894 | } | |
5895 | ||
5896 | static int set_property(int argc, char *argv[], void *userdata) { | |
5897 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5898 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5899 | _cleanup_free_ char *n = NULL; | |
5900 | UnitType t; | |
5901 | sd_bus *bus; | |
5902 | int r; | |
5903 | ||
5904 | r = acquire_bus(BUS_MANAGER, &bus); | |
5905 | if (r < 0) | |
5906 | return r; | |
5907 | ||
5908 | polkit_agent_open_maybe(); | |
5909 | ||
5910 | r = sd_bus_message_new_method_call( | |
5911 | bus, | |
5912 | &m, | |
5913 | "org.freedesktop.systemd1", | |
5914 | "/org/freedesktop/systemd1", | |
5915 | "org.freedesktop.systemd1.Manager", | |
5916 | "SetUnitProperties"); | |
5917 | if (r < 0) | |
5918 | return bus_log_create_error(r); | |
5919 | ||
5920 | r = unit_name_mangle(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, &n); | |
5921 | if (r < 0) | |
5922 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
5923 | ||
5924 | t = unit_name_to_type(n); | |
5925 | if (t < 0) | |
5926 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid unit type: %s", n); | |
5927 | ||
5928 | r = sd_bus_message_append(m, "sb", n, arg_runtime); | |
5929 | if (r < 0) | |
5930 | return bus_log_create_error(r); | |
5931 | ||
5932 | r = sd_bus_message_open_container(m, SD_BUS_TYPE_ARRAY, "(sv)"); | |
5933 | if (r < 0) | |
5934 | return bus_log_create_error(r); | |
5935 | ||
5936 | r = bus_append_unit_property_assignment_many(m, t, strv_skip(argv, 2)); | |
5937 | if (r < 0) | |
5938 | return r; | |
5939 | ||
5940 | r = sd_bus_message_close_container(m); | |
5941 | if (r < 0) | |
5942 | return bus_log_create_error(r); | |
5943 | ||
5944 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
5945 | if (r < 0) | |
5946 | return log_error_errno(r, "Failed to set unit properties on %s: %s", n, bus_error_message(&error, r)); | |
5947 | ||
5948 | return 0; | |
5949 | } | |
5950 | ||
5951 | static int daemon_reload(int argc, char *argv[], void *userdata) { | |
5952 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
5953 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
5954 | const char *method; | |
5955 | sd_bus *bus; | |
5956 | int r; | |
5957 | ||
5958 | r = acquire_bus(BUS_MANAGER, &bus); | |
5959 | if (r < 0) | |
5960 | return r; | |
5961 | ||
5962 | polkit_agent_open_maybe(); | |
5963 | ||
5964 | switch (arg_action) { | |
5965 | ||
5966 | case ACTION_RELOAD: | |
5967 | method = "Reload"; | |
5968 | break; | |
5969 | ||
5970 | case ACTION_REEXEC: | |
5971 | method = "Reexecute"; | |
5972 | break; | |
5973 | ||
5974 | case ACTION_SYSTEMCTL: | |
5975 | method = streq(argv[0], "daemon-reexec") ? "Reexecute" : | |
5976 | /* "daemon-reload" */ "Reload"; | |
5977 | break; | |
5978 | ||
5979 | default: | |
5980 | assert_not_reached("Unexpected action"); | |
5981 | } | |
5982 | ||
5983 | r = sd_bus_message_new_method_call( | |
5984 | bus, | |
5985 | &m, | |
5986 | "org.freedesktop.systemd1", | |
5987 | "/org/freedesktop/systemd1", | |
5988 | "org.freedesktop.systemd1.Manager", | |
5989 | method); | |
5990 | if (r < 0) | |
5991 | return bus_log_create_error(r); | |
5992 | ||
5993 | /* Note we use an extra-long timeout here. This is because a reload or reexec means generators are rerun which | |
5994 | * are timed out after DEFAULT_TIMEOUT_USEC. Let's use twice that time here, so that the generators can have | |
5995 | * their timeout, and for everything else there's the same time budget in place. */ | |
5996 | ||
5997 | r = sd_bus_call(bus, m, DEFAULT_TIMEOUT_USEC * 2, &error, NULL); | |
5998 | ||
5999 | /* On reexecution, we expect a disconnect, not a reply */ | |
6000 | if (IN_SET(r, -ETIMEDOUT, -ECONNRESET) && streq(method, "Reexecute")) | |
6001 | r = 0; | |
6002 | ||
6003 | if (r < 0 && arg_action == ACTION_SYSTEMCTL) | |
6004 | return log_error_errno(r, "Failed to reload daemon: %s", bus_error_message(&error, r)); | |
6005 | ||
6006 | /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the | |
6007 | * old ways of doing things, hence don't log any error in that case here. */ | |
6008 | ||
6009 | return r < 0 ? r : 0; | |
6010 | } | |
6011 | ||
6012 | static int trivial_method(int argc, char *argv[], void *userdata) { | |
6013 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6014 | const char *method; | |
6015 | sd_bus *bus; | |
6016 | int r; | |
6017 | ||
6018 | if (arg_dry_run) | |
6019 | return 0; | |
6020 | ||
6021 | r = acquire_bus(BUS_MANAGER, &bus); | |
6022 | if (r < 0) | |
6023 | return r; | |
6024 | ||
6025 | polkit_agent_open_maybe(); | |
6026 | ||
6027 | method = | |
6028 | streq(argv[0], "clear-jobs") || | |
6029 | streq(argv[0], "cancel") ? "ClearJobs" : | |
6030 | streq(argv[0], "reset-failed") ? "ResetFailed" : | |
6031 | streq(argv[0], "halt") ? "Halt" : | |
6032 | streq(argv[0], "reboot") ? "Reboot" : | |
6033 | streq(argv[0], "kexec") ? "KExec" : | |
6034 | streq(argv[0], "exit") ? "Exit" : | |
6035 | /* poweroff */ "PowerOff"; | |
6036 | ||
6037 | r = sd_bus_call_method( | |
6038 | bus, | |
6039 | "org.freedesktop.systemd1", | |
6040 | "/org/freedesktop/systemd1", | |
6041 | "org.freedesktop.systemd1.Manager", | |
6042 | method, | |
6043 | &error, | |
6044 | NULL, | |
6045 | NULL); | |
6046 | if (r < 0 && arg_action == ACTION_SYSTEMCTL) | |
6047 | return log_error_errno(r, "Failed to execute operation: %s", bus_error_message(&error, r)); | |
6048 | ||
6049 | /* Note that for the legacy commands (i.e. those with action != ACTION_SYSTEMCTL) we support fallbacks to the | |
6050 | * old ways of doing things, hence don't log any error in that case here. */ | |
6051 | ||
6052 | return r < 0 ? r : 0; | |
6053 | } | |
6054 | ||
6055 | static int reset_failed(int argc, char *argv[], void *userdata) { | |
6056 | _cleanup_strv_free_ char **names = NULL; | |
6057 | sd_bus *bus; | |
6058 | char **name; | |
6059 | int r, q; | |
6060 | ||
6061 | if (argc <= 1) | |
6062 | return trivial_method(argc, argv, userdata); | |
6063 | ||
6064 | r = acquire_bus(BUS_MANAGER, &bus); | |
6065 | if (r < 0) | |
6066 | return r; | |
6067 | ||
6068 | polkit_agent_open_maybe(); | |
6069 | ||
6070 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
6071 | if (r < 0) | |
6072 | return log_error_errno(r, "Failed to expand names: %m"); | |
6073 | ||
6074 | STRV_FOREACH(name, names) { | |
6075 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6076 | ||
6077 | q = sd_bus_call_method( | |
6078 | bus, | |
6079 | "org.freedesktop.systemd1", | |
6080 | "/org/freedesktop/systemd1", | |
6081 | "org.freedesktop.systemd1.Manager", | |
6082 | "ResetFailedUnit", | |
6083 | &error, | |
6084 | NULL, | |
6085 | "s", *name); | |
6086 | if (q < 0) { | |
6087 | log_error_errno(q, "Failed to reset failed state of unit %s: %s", *name, bus_error_message(&error, q)); | |
6088 | if (r == 0) | |
6089 | r = q; | |
6090 | } | |
6091 | } | |
6092 | ||
6093 | return r; | |
6094 | } | |
6095 | ||
6096 | static int print_variable(const char *s) { | |
6097 | const char *sep; | |
6098 | _cleanup_free_ char *esc = NULL; | |
6099 | ||
6100 | sep = strchr(s, '='); | |
6101 | if (!sep) | |
6102 | return log_error_errno(SYNTHETIC_ERRNO(EUCLEAN), | |
6103 | "Invalid environment block"); | |
6104 | ||
6105 | esc = shell_maybe_quote(sep + 1, ESCAPE_POSIX); | |
6106 | if (!esc) | |
6107 | return log_oom(); | |
6108 | ||
6109 | printf("%.*s=%s\n", (int)(sep-s), s, esc); | |
6110 | return 0; | |
6111 | } | |
6112 | ||
6113 | static int show_environment(int argc, char *argv[], void *userdata) { | |
6114 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6115 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6116 | const char *text; | |
6117 | sd_bus *bus; | |
6118 | int r; | |
6119 | ||
6120 | r = acquire_bus(BUS_MANAGER, &bus); | |
6121 | if (r < 0) | |
6122 | return r; | |
6123 | ||
6124 | (void) pager_open(arg_pager_flags); | |
6125 | ||
6126 | r = sd_bus_get_property( | |
6127 | bus, | |
6128 | "org.freedesktop.systemd1", | |
6129 | "/org/freedesktop/systemd1", | |
6130 | "org.freedesktop.systemd1.Manager", | |
6131 | "Environment", | |
6132 | &error, | |
6133 | &reply, | |
6134 | "as"); | |
6135 | if (r < 0) | |
6136 | return log_error_errno(r, "Failed to get environment: %s", bus_error_message(&error, r)); | |
6137 | ||
6138 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s"); | |
6139 | if (r < 0) | |
6140 | return bus_log_parse_error(r); | |
6141 | ||
6142 | while ((r = sd_bus_message_read_basic(reply, SD_BUS_TYPE_STRING, &text)) > 0) { | |
6143 | r = print_variable(text); | |
6144 | if (r < 0) | |
6145 | return r; | |
6146 | } | |
6147 | if (r < 0) | |
6148 | return bus_log_parse_error(r); | |
6149 | ||
6150 | r = sd_bus_message_exit_container(reply); | |
6151 | if (r < 0) | |
6152 | return bus_log_parse_error(r); | |
6153 | ||
6154 | return 0; | |
6155 | } | |
6156 | ||
6157 | static int switch_root(int argc, char *argv[], void *userdata) { | |
6158 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6159 | _cleanup_free_ char *cmdline_init = NULL; | |
6160 | const char *root, *init; | |
6161 | sd_bus *bus; | |
6162 | int r; | |
6163 | ||
6164 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
6165 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot switch root remotely."); | |
6166 | ||
6167 | if (argc < 2 || argc > 3) | |
6168 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Wrong number of arguments."); | |
6169 | ||
6170 | root = argv[1]; | |
6171 | ||
6172 | if (argc >= 3) | |
6173 | init = argv[2]; | |
6174 | else { | |
6175 | r = proc_cmdline_get_key("init", 0, &cmdline_init); | |
6176 | if (r < 0) | |
6177 | log_debug_errno(r, "Failed to parse /proc/cmdline: %m"); | |
6178 | ||
6179 | init = cmdline_init; | |
6180 | } | |
6181 | ||
6182 | init = empty_to_null(init); | |
6183 | if (init) { | |
6184 | const char *root_systemd_path = NULL, *root_init_path = NULL; | |
6185 | ||
6186 | root_systemd_path = strjoina(root, "/" SYSTEMD_BINARY_PATH); | |
6187 | root_init_path = strjoina(root, "/", init); | |
6188 | ||
6189 | /* If the passed init is actually the same as the | |
6190 | * systemd binary, then let's suppress it. */ | |
6191 | if (files_same(root_init_path, root_systemd_path, 0) > 0) | |
6192 | init = NULL; | |
6193 | } | |
6194 | ||
6195 | /* Instruct PID1 to exclude us from its killing spree applied during the transition. Otherwise we | |
6196 | * would exit with a failure status even though the switch to the new root has succeed. */ | |
6197 | assert(saved_argv); | |
6198 | assert(saved_argv[0]); | |
6199 | saved_argv[0][0] = '@'; | |
6200 | ||
6201 | r = acquire_bus(BUS_MANAGER, &bus); | |
6202 | if (r < 0) | |
6203 | return r; | |
6204 | ||
6205 | /* If we are slow to exit after the root switch, the new systemd instance | |
6206 | * will send us a signal to terminate. Just ignore it and exit normally. | |
6207 | * This way the unit does not end up as failed. | |
6208 | */ | |
6209 | r = ignore_signals(SIGTERM, -1); | |
6210 | if (r < 0) | |
6211 | log_warning_errno(r, "Failed to change disposition of SIGTERM to ignore: %m"); | |
6212 | ||
6213 | log_debug("Switching root - root: %s; init: %s", root, strna(init)); | |
6214 | ||
6215 | r = sd_bus_call_method( | |
6216 | bus, | |
6217 | "org.freedesktop.systemd1", | |
6218 | "/org/freedesktop/systemd1", | |
6219 | "org.freedesktop.systemd1.Manager", | |
6220 | "SwitchRoot", | |
6221 | &error, | |
6222 | NULL, | |
6223 | "ss", root, init); | |
6224 | if (r < 0) { | |
6225 | (void) default_signals(SIGTERM, -1); | |
6226 | ||
6227 | return log_error_errno(r, "Failed to switch root: %s", bus_error_message(&error, r)); | |
6228 | } | |
6229 | ||
6230 | return 0; | |
6231 | } | |
6232 | ||
6233 | static int set_environment(int argc, char *argv[], void *userdata) { | |
6234 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6235 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
6236 | const char *method; | |
6237 | sd_bus *bus; | |
6238 | int r; | |
6239 | ||
6240 | assert(argc > 1); | |
6241 | assert(argv); | |
6242 | ||
6243 | r = acquire_bus(BUS_MANAGER, &bus); | |
6244 | if (r < 0) | |
6245 | return r; | |
6246 | ||
6247 | polkit_agent_open_maybe(); | |
6248 | ||
6249 | method = streq(argv[0], "set-environment") | |
6250 | ? "SetEnvironment" | |
6251 | : "UnsetEnvironment"; | |
6252 | ||
6253 | r = sd_bus_message_new_method_call( | |
6254 | bus, | |
6255 | &m, | |
6256 | "org.freedesktop.systemd1", | |
6257 | "/org/freedesktop/systemd1", | |
6258 | "org.freedesktop.systemd1.Manager", | |
6259 | method); | |
6260 | if (r < 0) | |
6261 | return bus_log_create_error(r); | |
6262 | ||
6263 | r = sd_bus_message_append_strv(m, strv_skip(argv, 1)); | |
6264 | if (r < 0) | |
6265 | return bus_log_create_error(r); | |
6266 | ||
6267 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
6268 | if (r < 0) | |
6269 | return log_error_errno(r, "Failed to set environment: %s", bus_error_message(&error, r)); | |
6270 | ||
6271 | return 0; | |
6272 | } | |
6273 | ||
6274 | static int import_environment(int argc, char *argv[], void *userdata) { | |
6275 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6276 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
6277 | sd_bus *bus; | |
6278 | int r; | |
6279 | ||
6280 | r = acquire_bus(BUS_MANAGER, &bus); | |
6281 | if (r < 0) | |
6282 | return r; | |
6283 | ||
6284 | polkit_agent_open_maybe(); | |
6285 | ||
6286 | r = sd_bus_message_new_method_call( | |
6287 | bus, | |
6288 | &m, | |
6289 | "org.freedesktop.systemd1", | |
6290 | "/org/freedesktop/systemd1", | |
6291 | "org.freedesktop.systemd1.Manager", | |
6292 | "SetEnvironment"); | |
6293 | if (r < 0) | |
6294 | return bus_log_create_error(r); | |
6295 | ||
6296 | if (argc < 2) | |
6297 | r = sd_bus_message_append_strv(m, environ); | |
6298 | else { | |
6299 | char **a, **b; | |
6300 | ||
6301 | r = sd_bus_message_open_container(m, 'a', "s"); | |
6302 | if (r < 0) | |
6303 | return bus_log_create_error(r); | |
6304 | ||
6305 | STRV_FOREACH(a, strv_skip(argv, 1)) { | |
6306 | ||
6307 | if (!env_name_is_valid(*a)) | |
6308 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Not a valid environment variable name: %s", *a); | |
6309 | ||
6310 | STRV_FOREACH(b, environ) { | |
6311 | const char *eq; | |
6312 | ||
6313 | eq = startswith(*b, *a); | |
6314 | if (eq && *eq == '=') { | |
6315 | ||
6316 | r = sd_bus_message_append(m, "s", *b); | |
6317 | if (r < 0) | |
6318 | return bus_log_create_error(r); | |
6319 | ||
6320 | break; | |
6321 | } | |
6322 | } | |
6323 | } | |
6324 | ||
6325 | r = sd_bus_message_close_container(m); | |
6326 | } | |
6327 | if (r < 0) | |
6328 | return bus_log_create_error(r); | |
6329 | ||
6330 | r = sd_bus_call(bus, m, 0, &error, NULL); | |
6331 | if (r < 0) | |
6332 | return log_error_errno(r, "Failed to import environment: %s", bus_error_message(&error, r)); | |
6333 | ||
6334 | return 0; | |
6335 | } | |
6336 | ||
6337 | static int enable_sysv_units(const char *verb, char **args) { | |
6338 | int r = 0; | |
6339 | ||
6340 | #if HAVE_SYSV_COMPAT | |
6341 | _cleanup_(lookup_paths_free) LookupPaths paths = {}; | |
6342 | unsigned f = 0; | |
6343 | ||
6344 | /* Processes all SysV units, and reshuffles the array so that afterwards only the native units remain */ | |
6345 | ||
6346 | if (arg_scope != UNIT_FILE_SYSTEM) | |
6347 | return 0; | |
6348 | ||
6349 | if (getenv_bool("SYSTEMCTL_SKIP_SYSV") > 0) | |
6350 | return 0; | |
6351 | ||
6352 | if (!STR_IN_SET(verb, | |
6353 | "enable", | |
6354 | "disable", | |
6355 | "is-enabled")) | |
6356 | return 0; | |
6357 | ||
6358 | r = lookup_paths_init(&paths, arg_scope, LOOKUP_PATHS_EXCLUDE_GENERATED, arg_root); | |
6359 | if (r < 0) | |
6360 | return r; | |
6361 | ||
6362 | r = 0; | |
6363 | while (args[f]) { | |
6364 | ||
6365 | const char *argv[] = { | |
6366 | ROOTLIBEXECDIR "/systemd-sysv-install", | |
6367 | NULL, /* --root= */ | |
6368 | NULL, /* verb */ | |
6369 | NULL, /* service */ | |
6370 | NULL, | |
6371 | }; | |
6372 | ||
6373 | _cleanup_free_ char *p = NULL, *q = NULL, *l = NULL, *v = NULL; | |
6374 | bool found_native = false, found_sysv; | |
6375 | const char *name; | |
6376 | unsigned c = 1; | |
6377 | pid_t pid; | |
6378 | int j; | |
6379 | ||
6380 | name = args[f++]; | |
6381 | ||
6382 | if (!endswith(name, ".service")) | |
6383 | continue; | |
6384 | ||
6385 | if (path_is_absolute(name)) | |
6386 | continue; | |
6387 | ||
6388 | j = unit_file_exists(arg_scope, &paths, name); | |
6389 | if (j < 0 && !IN_SET(j, -ELOOP, -ERFKILL, -EADDRNOTAVAIL)) | |
6390 | return log_error_errno(j, "Failed to lookup unit file state: %m"); | |
6391 | found_native = j != 0; | |
6392 | ||
6393 | /* If we have both a native unit and a SysV script, enable/disable them both (below); for is-enabled, | |
6394 | * prefer the native unit */ | |
6395 | if (found_native && streq(verb, "is-enabled")) | |
6396 | continue; | |
6397 | ||
6398 | p = path_join(arg_root, SYSTEM_SYSVINIT_PATH, name); | |
6399 | if (!p) | |
6400 | return log_oom(); | |
6401 | ||
6402 | p[strlen(p) - STRLEN(".service")] = 0; | |
6403 | found_sysv = access(p, F_OK) >= 0; | |
6404 | if (!found_sysv) | |
6405 | continue; | |
6406 | ||
6407 | if (!arg_quiet) { | |
6408 | if (found_native) | |
6409 | log_info("Synchronizing state of %s with SysV service script with %s.", name, argv[0]); | |
6410 | else | |
6411 | log_info("%s is not a native service, redirecting to systemd-sysv-install.", name); | |
6412 | } | |
6413 | ||
6414 | if (!isempty(arg_root)) { | |
6415 | q = strappend("--root=", arg_root); | |
6416 | if (!q) | |
6417 | return log_oom(); | |
6418 | ||
6419 | argv[c++] = q; | |
6420 | } | |
6421 | ||
6422 | /* Let's copy the verb, since it's still pointing directly into the original argv[] array we | |
6423 | * got passed, but safe_fork() is likely going to rewrite that for the new child */ | |
6424 | v = strdup(verb); | |
6425 | if (!v) | |
6426 | return log_oom(); | |
6427 | ||
6428 | argv[c++] = v; | |
6429 | argv[c++] = basename(p); | |
6430 | argv[c] = NULL; | |
6431 | ||
6432 | l = strv_join((char**)argv, " "); | |
6433 | if (!l) | |
6434 | return log_oom(); | |
6435 | ||
6436 | if (!arg_quiet) | |
6437 | log_info("Executing: %s", l); | |
6438 | ||
6439 | j = safe_fork("(sysv-install)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG, &pid); | |
6440 | if (j < 0) | |
6441 | return j; | |
6442 | if (j == 0) { | |
6443 | /* Child */ | |
6444 | execv(argv[0], (char**) argv); | |
6445 | log_error_errno(errno, "Failed to execute %s: %m", argv[0]); | |
6446 | _exit(EXIT_FAILURE); | |
6447 | } | |
6448 | ||
6449 | j = wait_for_terminate_and_check("sysv-install", pid, WAIT_LOG_ABNORMAL); | |
6450 | if (j < 0) | |
6451 | return j; | |
6452 | if (streq(verb, "is-enabled")) { | |
6453 | if (j == EXIT_SUCCESS) { | |
6454 | if (!arg_quiet) | |
6455 | puts("enabled"); | |
6456 | r = 1; | |
6457 | } else { | |
6458 | if (!arg_quiet) | |
6459 | puts("disabled"); | |
6460 | } | |
6461 | ||
6462 | } else if (j != EXIT_SUCCESS) | |
6463 | return -EBADE; /* We don't warn here, under the assumption the script already showed an explanation */ | |
6464 | ||
6465 | if (found_native) | |
6466 | continue; | |
6467 | ||
6468 | /* Remove this entry, so that we don't try enabling it as native unit */ | |
6469 | assert(f > 0); | |
6470 | f--; | |
6471 | assert(args[f] == name); | |
6472 | strv_remove(args + f, name); | |
6473 | } | |
6474 | ||
6475 | #endif | |
6476 | return r; | |
6477 | } | |
6478 | ||
6479 | static int mangle_names(char **original_names, char ***mangled_names) { | |
6480 | char **i, **l, **name; | |
6481 | int r; | |
6482 | ||
6483 | l = i = new(char*, strv_length(original_names) + 1); | |
6484 | if (!l) | |
6485 | return log_oom(); | |
6486 | ||
6487 | STRV_FOREACH(name, original_names) { | |
6488 | ||
6489 | /* When enabling units qualified path names are OK, | |
6490 | * too, hence allow them explicitly. */ | |
6491 | ||
6492 | if (is_path(*name)) { | |
6493 | *i = strdup(*name); | |
6494 | if (!*i) { | |
6495 | strv_free(l); | |
6496 | return log_oom(); | |
6497 | } | |
6498 | } else { | |
6499 | r = unit_name_mangle(*name, arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, i); | |
6500 | if (r < 0) { | |
6501 | *i = NULL; | |
6502 | strv_free(l); | |
6503 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
6504 | } | |
6505 | } | |
6506 | ||
6507 | i++; | |
6508 | } | |
6509 | ||
6510 | *i = NULL; | |
6511 | *mangled_names = l; | |
6512 | ||
6513 | return 0; | |
6514 | } | |
6515 | ||
6516 | static int normalize_filenames(char **names) { | |
6517 | char **u; | |
6518 | int r; | |
6519 | ||
6520 | STRV_FOREACH(u, names) | |
6521 | if (!path_is_absolute(*u)) { | |
6522 | char* normalized_path; | |
6523 | ||
6524 | if (!isempty(arg_root)) | |
6525 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
6526 | "Non-absolute paths are not allowed when --root is used: %s", | |
6527 | *u); | |
6528 | ||
6529 | if (!strchr(*u,'/')) | |
6530 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
6531 | "Link argument does contain at least one directory separator: %s", | |
6532 | *u); | |
6533 | ||
6534 | r = path_make_absolute_cwd(*u, &normalized_path); | |
6535 | if (r < 0) | |
6536 | return r; | |
6537 | ||
6538 | free_and_replace(*u, normalized_path); | |
6539 | } | |
6540 | ||
6541 | return 0; | |
6542 | } | |
6543 | ||
6544 | static int normalize_names(char **names, bool warn_if_path) { | |
6545 | char **u; | |
6546 | bool was_path = false; | |
6547 | ||
6548 | STRV_FOREACH(u, names) { | |
6549 | int r; | |
6550 | ||
6551 | if (!is_path(*u)) | |
6552 | continue; | |
6553 | ||
6554 | r = free_and_strdup(u, basename(*u)); | |
6555 | if (r < 0) | |
6556 | return log_error_errno(r, "Failed to normalize unit file path: %m"); | |
6557 | ||
6558 | was_path = true; | |
6559 | } | |
6560 | ||
6561 | if (warn_if_path && was_path) | |
6562 | log_warning("Warning: Can't execute disable on the unit file path. Proceeding with the unit name."); | |
6563 | ||
6564 | return 0; | |
6565 | } | |
6566 | ||
6567 | static int unit_exists(LookupPaths *lp, const char *unit) { | |
6568 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6569 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL; | |
6570 | _cleanup_free_ char *path = NULL; | |
6571 | static const struct bus_properties_map property_map[] = { | |
6572 | { "LoadState", "s", NULL, offsetof(UnitStatusInfo, load_state) }, | |
6573 | { "ActiveState", "s", NULL, offsetof(UnitStatusInfo, active_state)}, | |
6574 | {}, | |
6575 | }; | |
6576 | UnitStatusInfo info = {}; | |
6577 | sd_bus *bus; | |
6578 | int r; | |
6579 | ||
6580 | if (unit_name_is_valid(unit, UNIT_NAME_TEMPLATE)) | |
6581 | return unit_find_template_path(unit, lp, NULL, NULL); | |
6582 | ||
6583 | path = unit_dbus_path_from_name(unit); | |
6584 | if (!path) | |
6585 | return log_oom(); | |
6586 | ||
6587 | r = acquire_bus(BUS_MANAGER, &bus); | |
6588 | if (r < 0) | |
6589 | return r; | |
6590 | ||
6591 | r = bus_map_all_properties(bus, "org.freedesktop.systemd1", path, property_map, 0, &error, &m, &info); | |
6592 | if (r < 0) | |
6593 | return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); | |
6594 | ||
6595 | return !streq_ptr(info.load_state, "not-found") || !streq_ptr(info.active_state, "inactive"); | |
6596 | } | |
6597 | ||
6598 | static int enable_unit(int argc, char *argv[], void *userdata) { | |
6599 | _cleanup_strv_free_ char **names = NULL; | |
6600 | const char *verb = argv[0]; | |
6601 | UnitFileChange *changes = NULL; | |
6602 | size_t n_changes = 0; | |
6603 | int carries_install_info = -1; | |
6604 | bool ignore_carries_install_info = arg_quiet; | |
6605 | int r; | |
6606 | ||
6607 | if (!argv[1]) | |
6608 | return 0; | |
6609 | ||
6610 | r = mangle_names(strv_skip(argv, 1), &names); | |
6611 | if (r < 0) | |
6612 | return r; | |
6613 | ||
6614 | r = enable_sysv_units(verb, names); | |
6615 | if (r < 0) | |
6616 | return r; | |
6617 | ||
6618 | /* If the operation was fully executed by the SysV compat, let's finish early */ | |
6619 | if (strv_isempty(names)) { | |
6620 | if (arg_no_reload || install_client_side()) | |
6621 | return 0; | |
6622 | return daemon_reload(argc, argv, userdata); | |
6623 | } | |
6624 | ||
6625 | if (streq(verb, "disable")) { | |
6626 | r = normalize_names(names, true); | |
6627 | if (r < 0) | |
6628 | return r; | |
6629 | } | |
6630 | ||
6631 | if (streq(verb, "link")) { | |
6632 | r = normalize_filenames(names); | |
6633 | if (r < 0) | |
6634 | return r; | |
6635 | } | |
6636 | ||
6637 | if (install_client_side()) { | |
6638 | UnitFileFlags flags; | |
6639 | ||
6640 | flags = args_to_flags(); | |
6641 | if (streq(verb, "enable")) { | |
6642 | r = unit_file_enable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6643 | carries_install_info = r; | |
6644 | } else if (streq(verb, "disable")) | |
6645 | r = unit_file_disable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6646 | else if (streq(verb, "reenable")) { | |
6647 | r = unit_file_reenable(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6648 | carries_install_info = r; | |
6649 | } else if (streq(verb, "link")) | |
6650 | r = unit_file_link(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6651 | else if (streq(verb, "preset")) { | |
6652 | r = unit_file_preset(arg_scope, flags, arg_root, names, arg_preset_mode, &changes, &n_changes); | |
6653 | } else if (streq(verb, "mask")) | |
6654 | r = unit_file_mask(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6655 | else if (streq(verb, "unmask")) | |
6656 | r = unit_file_unmask(arg_scope, flags, arg_root, names, &changes, &n_changes); | |
6657 | else if (streq(verb, "revert")) | |
6658 | r = unit_file_revert(arg_scope, arg_root, names, &changes, &n_changes); | |
6659 | else | |
6660 | assert_not_reached("Unknown verb"); | |
6661 | ||
6662 | unit_file_dump_changes(r, verb, changes, n_changes, arg_quiet); | |
6663 | if (r < 0) | |
6664 | goto finish; | |
6665 | r = 0; | |
6666 | } else { | |
6667 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; | |
6668 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6669 | bool expect_carries_install_info = false; | |
6670 | bool send_runtime = true, send_force = true, send_preset_mode = false; | |
6671 | const char *method; | |
6672 | sd_bus *bus; | |
6673 | ||
6674 | if (STR_IN_SET(verb, "mask", "unmask")) { | |
6675 | char **name; | |
6676 | _cleanup_(lookup_paths_free) LookupPaths lp = {}; | |
6677 | ||
6678 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
6679 | if (r < 0) | |
6680 | return r; | |
6681 | ||
6682 | STRV_FOREACH(name, names) { | |
6683 | r = unit_exists(&lp, *name); | |
6684 | if (r < 0) | |
6685 | return r; | |
6686 | if (r == 0) | |
6687 | log_notice("Unit %s does not exist, proceeding anyway.", *name); | |
6688 | } | |
6689 | } | |
6690 | ||
6691 | r = acquire_bus(BUS_MANAGER, &bus); | |
6692 | if (r < 0) | |
6693 | return r; | |
6694 | ||
6695 | polkit_agent_open_maybe(); | |
6696 | ||
6697 | if (streq(verb, "enable")) { | |
6698 | method = "EnableUnitFiles"; | |
6699 | expect_carries_install_info = true; | |
6700 | } else if (streq(verb, "disable")) { | |
6701 | method = "DisableUnitFiles"; | |
6702 | send_force = false; | |
6703 | } else if (streq(verb, "reenable")) { | |
6704 | method = "ReenableUnitFiles"; | |
6705 | expect_carries_install_info = true; | |
6706 | } else if (streq(verb, "link")) | |
6707 | method = "LinkUnitFiles"; | |
6708 | else if (streq(verb, "preset")) { | |
6709 | ||
6710 | if (arg_preset_mode != UNIT_FILE_PRESET_FULL) { | |
6711 | method = "PresetUnitFilesWithMode"; | |
6712 | send_preset_mode = true; | |
6713 | } else | |
6714 | method = "PresetUnitFiles"; | |
6715 | ||
6716 | expect_carries_install_info = true; | |
6717 | ignore_carries_install_info = true; | |
6718 | } else if (streq(verb, "mask")) | |
6719 | method = "MaskUnitFiles"; | |
6720 | else if (streq(verb, "unmask")) { | |
6721 | method = "UnmaskUnitFiles"; | |
6722 | send_force = false; | |
6723 | } else if (streq(verb, "revert")) { | |
6724 | method = "RevertUnitFiles"; | |
6725 | send_runtime = send_force = false; | |
6726 | } else | |
6727 | assert_not_reached("Unknown verb"); | |
6728 | ||
6729 | r = sd_bus_message_new_method_call( | |
6730 | bus, | |
6731 | &m, | |
6732 | "org.freedesktop.systemd1", | |
6733 | "/org/freedesktop/systemd1", | |
6734 | "org.freedesktop.systemd1.Manager", | |
6735 | method); | |
6736 | if (r < 0) | |
6737 | return bus_log_create_error(r); | |
6738 | ||
6739 | r = sd_bus_message_append_strv(m, names); | |
6740 | if (r < 0) | |
6741 | return bus_log_create_error(r); | |
6742 | ||
6743 | if (send_preset_mode) { | |
6744 | r = sd_bus_message_append(m, "s", unit_file_preset_mode_to_string(arg_preset_mode)); | |
6745 | if (r < 0) | |
6746 | return bus_log_create_error(r); | |
6747 | } | |
6748 | ||
6749 | if (send_runtime) { | |
6750 | r = sd_bus_message_append(m, "b", arg_runtime); | |
6751 | if (r < 0) | |
6752 | return bus_log_create_error(r); | |
6753 | } | |
6754 | ||
6755 | if (send_force) { | |
6756 | r = sd_bus_message_append(m, "b", arg_force); | |
6757 | if (r < 0) | |
6758 | return bus_log_create_error(r); | |
6759 | } | |
6760 | ||
6761 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
6762 | if (r < 0) | |
6763 | return log_error_errno(r, "Failed to %s unit: %s", verb, bus_error_message(&error, r)); | |
6764 | ||
6765 | if (expect_carries_install_info) { | |
6766 | r = sd_bus_message_read(reply, "b", &carries_install_info); | |
6767 | if (r < 0) | |
6768 | return bus_log_parse_error(r); | |
6769 | } | |
6770 | ||
6771 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6772 | if (r < 0) | |
6773 | goto finish; | |
6774 | ||
6775 | /* Try to reload if enabled */ | |
6776 | if (!arg_no_reload) | |
6777 | r = daemon_reload(argc, argv, userdata); | |
6778 | else | |
6779 | r = 0; | |
6780 | } | |
6781 | ||
6782 | if (carries_install_info == 0 && !ignore_carries_install_info) | |
6783 | log_notice("The unit files have no installation config (WantedBy=, RequiredBy=, Also=,\n" | |
6784 | "Alias= settings in the [Install] section, and DefaultInstance= for template\n" | |
6785 | "units). This means they are not meant to be enabled using systemctl.\n" | |
6786 | " \n" /* trick: the space is needed so that the line does not get stripped from output */ | |
6787 | "Possible reasons for having this kind of units are:\n" | |
6788 | "%1$s A unit may be statically enabled by being symlinked from another unit's\n" | |
6789 | " .wants/ or .requires/ directory.\n" | |
6790 | "%1$s A unit's purpose may be to act as a helper for some other unit which has\n" | |
6791 | " a requirement dependency on it.\n" | |
6792 | "%1$s A unit may be started when needed via activation (socket, path, timer,\n" | |
6793 | " D-Bus, udev, scripted systemctl call, ...).\n" | |
6794 | "%1$s In case of template units, the unit is meant to be enabled with some\n" | |
6795 | " instance name specified.", | |
6796 | special_glyph(SPECIAL_GLYPH_BULLET)); | |
6797 | ||
6798 | if (arg_now && STR_IN_SET(argv[0], "enable", "disable", "mask")) { | |
6799 | sd_bus *bus; | |
6800 | size_t len, i; | |
6801 | ||
6802 | r = acquire_bus(BUS_MANAGER, &bus); | |
6803 | if (r < 0) | |
6804 | goto finish; | |
6805 | ||
6806 | len = strv_length(names); | |
6807 | { | |
6808 | char *new_args[len + 2]; | |
6809 | ||
6810 | new_args[0] = (char*) (streq(argv[0], "enable") ? "start" : "stop"); | |
6811 | for (i = 0; i < len; i++) | |
6812 | new_args[i + 1] = basename(names[i]); | |
6813 | new_args[i + 1] = NULL; | |
6814 | ||
6815 | r = start_unit(len + 1, new_args, userdata); | |
6816 | } | |
6817 | } | |
6818 | ||
6819 | finish: | |
6820 | unit_file_changes_free(changes, n_changes); | |
6821 | ||
6822 | return r; | |
6823 | } | |
6824 | ||
6825 | static int add_dependency(int argc, char *argv[], void *userdata) { | |
6826 | _cleanup_strv_free_ char **names = NULL; | |
6827 | _cleanup_free_ char *target = NULL; | |
6828 | const char *verb = argv[0]; | |
6829 | UnitFileChange *changes = NULL; | |
6830 | size_t n_changes = 0; | |
6831 | UnitDependency dep; | |
6832 | int r = 0; | |
6833 | ||
6834 | if (!argv[1]) | |
6835 | return 0; | |
6836 | ||
6837 | r = unit_name_mangle_with_suffix(argv[1], arg_quiet ? 0 : UNIT_NAME_MANGLE_WARN, ".target", &target); | |
6838 | if (r < 0) | |
6839 | return log_error_errno(r, "Failed to mangle unit name: %m"); | |
6840 | ||
6841 | r = mangle_names(strv_skip(argv, 2), &names); | |
6842 | if (r < 0) | |
6843 | return r; | |
6844 | ||
6845 | if (streq(verb, "add-wants")) | |
6846 | dep = UNIT_WANTS; | |
6847 | else if (streq(verb, "add-requires")) | |
6848 | dep = UNIT_REQUIRES; | |
6849 | else | |
6850 | assert_not_reached("Unknown verb"); | |
6851 | ||
6852 | if (install_client_side()) { | |
6853 | r = unit_file_add_dependency(arg_scope, args_to_flags(), arg_root, names, target, dep, &changes, &n_changes); | |
6854 | unit_file_dump_changes(r, "add dependency on", changes, n_changes, arg_quiet); | |
6855 | ||
6856 | if (r > 0) | |
6857 | r = 0; | |
6858 | } else { | |
6859 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL, *m = NULL; | |
6860 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6861 | sd_bus *bus; | |
6862 | ||
6863 | r = acquire_bus(BUS_MANAGER, &bus); | |
6864 | if (r < 0) | |
6865 | return r; | |
6866 | ||
6867 | polkit_agent_open_maybe(); | |
6868 | ||
6869 | r = sd_bus_message_new_method_call( | |
6870 | bus, | |
6871 | &m, | |
6872 | "org.freedesktop.systemd1", | |
6873 | "/org/freedesktop/systemd1", | |
6874 | "org.freedesktop.systemd1.Manager", | |
6875 | "AddDependencyUnitFiles"); | |
6876 | if (r < 0) | |
6877 | return bus_log_create_error(r); | |
6878 | ||
6879 | r = sd_bus_message_append_strv(m, names); | |
6880 | if (r < 0) | |
6881 | return bus_log_create_error(r); | |
6882 | ||
6883 | r = sd_bus_message_append(m, "ssbb", target, unit_dependency_to_string(dep), arg_runtime, arg_force); | |
6884 | if (r < 0) | |
6885 | return bus_log_create_error(r); | |
6886 | ||
6887 | r = sd_bus_call(bus, m, 0, &error, &reply); | |
6888 | if (r < 0) | |
6889 | return log_error_errno(r, "Failed to add dependency: %s", bus_error_message(&error, r)); | |
6890 | ||
6891 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6892 | if (r < 0) | |
6893 | goto finish; | |
6894 | ||
6895 | if (arg_no_reload) { | |
6896 | r = 0; | |
6897 | goto finish; | |
6898 | } | |
6899 | ||
6900 | r = daemon_reload(argc, argv, userdata); | |
6901 | } | |
6902 | ||
6903 | finish: | |
6904 | unit_file_changes_free(changes, n_changes); | |
6905 | ||
6906 | return r; | |
6907 | } | |
6908 | ||
6909 | static int preset_all(int argc, char *argv[], void *userdata) { | |
6910 | UnitFileChange *changes = NULL; | |
6911 | size_t n_changes = 0; | |
6912 | int r; | |
6913 | ||
6914 | if (install_client_side()) { | |
6915 | r = unit_file_preset_all(arg_scope, args_to_flags(), arg_root, arg_preset_mode, &changes, &n_changes); | |
6916 | unit_file_dump_changes(r, "preset", changes, n_changes, arg_quiet); | |
6917 | ||
6918 | if (r > 0) | |
6919 | r = 0; | |
6920 | } else { | |
6921 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6922 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6923 | sd_bus *bus; | |
6924 | ||
6925 | r = acquire_bus(BUS_MANAGER, &bus); | |
6926 | if (r < 0) | |
6927 | return r; | |
6928 | ||
6929 | polkit_agent_open_maybe(); | |
6930 | ||
6931 | r = sd_bus_call_method( | |
6932 | bus, | |
6933 | "org.freedesktop.systemd1", | |
6934 | "/org/freedesktop/systemd1", | |
6935 | "org.freedesktop.systemd1.Manager", | |
6936 | "PresetAllUnitFiles", | |
6937 | &error, | |
6938 | &reply, | |
6939 | "sbb", | |
6940 | unit_file_preset_mode_to_string(arg_preset_mode), | |
6941 | arg_runtime, | |
6942 | arg_force); | |
6943 | if (r < 0) | |
6944 | return log_error_errno(r, "Failed to preset all units: %s", bus_error_message(&error, r)); | |
6945 | ||
6946 | r = bus_deserialize_and_dump_unit_file_changes(reply, arg_quiet, &changes, &n_changes); | |
6947 | if (r < 0) | |
6948 | goto finish; | |
6949 | ||
6950 | if (arg_no_reload) { | |
6951 | r = 0; | |
6952 | goto finish; | |
6953 | } | |
6954 | ||
6955 | r = daemon_reload(argc, argv, userdata); | |
6956 | } | |
6957 | ||
6958 | finish: | |
6959 | unit_file_changes_free(changes, n_changes); | |
6960 | ||
6961 | return r; | |
6962 | } | |
6963 | ||
6964 | static int show_installation_targets_client_side(const char *name) { | |
6965 | UnitFileChange *changes = NULL; | |
6966 | size_t n_changes = 0, i; | |
6967 | UnitFileFlags flags; | |
6968 | char **p; | |
6969 | int r; | |
6970 | ||
6971 | p = STRV_MAKE(name); | |
6972 | flags = UNIT_FILE_DRY_RUN | | |
6973 | (arg_runtime ? UNIT_FILE_RUNTIME : 0); | |
6974 | ||
6975 | r = unit_file_disable(UNIT_FILE_SYSTEM, flags, NULL, p, &changes, &n_changes); | |
6976 | if (r < 0) | |
6977 | return log_error_errno(r, "Failed to get file links for %s: %m", name); | |
6978 | ||
6979 | for (i = 0; i < n_changes; i++) | |
6980 | if (changes[i].type == UNIT_FILE_UNLINK) | |
6981 | printf(" %s\n", changes[i].path); | |
6982 | ||
6983 | return 0; | |
6984 | } | |
6985 | ||
6986 | static int show_installation_targets(sd_bus *bus, const char *name) { | |
6987 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
6988 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
6989 | const char *link; | |
6990 | int r; | |
6991 | ||
6992 | r = sd_bus_call_method( | |
6993 | bus, | |
6994 | "org.freedesktop.systemd1", | |
6995 | "/org/freedesktop/systemd1", | |
6996 | "org.freedesktop.systemd1.Manager", | |
6997 | "GetUnitFileLinks", | |
6998 | &error, | |
6999 | &reply, | |
7000 | "sb", name, arg_runtime); | |
7001 | if (r < 0) | |
7002 | return log_error_errno(r, "Failed to get unit file links for %s: %s", name, bus_error_message(&error, r)); | |
7003 | ||
7004 | r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "s"); | |
7005 | if (r < 0) | |
7006 | return bus_log_parse_error(r); | |
7007 | ||
7008 | while ((r = sd_bus_message_read(reply, "s", &link)) > 0) | |
7009 | printf(" %s\n", link); | |
7010 | ||
7011 | if (r < 0) | |
7012 | return bus_log_parse_error(r); | |
7013 | ||
7014 | r = sd_bus_message_exit_container(reply); | |
7015 | if (r < 0) | |
7016 | return bus_log_parse_error(r); | |
7017 | ||
7018 | return 0; | |
7019 | } | |
7020 | ||
7021 | static int unit_is_enabled(int argc, char *argv[], void *userdata) { | |
7022 | _cleanup_strv_free_ char **names = NULL; | |
7023 | bool enabled; | |
7024 | char **name; | |
7025 | int r; | |
7026 | ||
7027 | r = mangle_names(strv_skip(argv, 1), &names); | |
7028 | if (r < 0) | |
7029 | return r; | |
7030 | ||
7031 | r = enable_sysv_units(argv[0], names); | |
7032 | if (r < 0) | |
7033 | return r; | |
7034 | ||
7035 | enabled = r > 0; | |
7036 | ||
7037 | if (install_client_side()) { | |
7038 | STRV_FOREACH(name, names) { | |
7039 | UnitFileState state; | |
7040 | ||
7041 | r = unit_file_get_state(arg_scope, arg_root, *name, &state); | |
7042 | if (r < 0) | |
7043 | return log_error_errno(r, "Failed to get unit file state for %s: %m", *name); | |
7044 | ||
7045 | if (IN_SET(state, | |
7046 | UNIT_FILE_ENABLED, | |
7047 | UNIT_FILE_ENABLED_RUNTIME, | |
7048 | UNIT_FILE_STATIC, | |
7049 | UNIT_FILE_INDIRECT, | |
7050 | UNIT_FILE_GENERATED)) | |
7051 | enabled = true; | |
7052 | ||
7053 | if (!arg_quiet) { | |
7054 | puts(unit_file_state_to_string(state)); | |
7055 | if (arg_full) { | |
7056 | r = show_installation_targets_client_side(*name); | |
7057 | if (r < 0) | |
7058 | return r; | |
7059 | } | |
7060 | } | |
7061 | } | |
7062 | ||
7063 | r = 0; | |
7064 | } else { | |
7065 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
7066 | sd_bus *bus; | |
7067 | ||
7068 | r = acquire_bus(BUS_MANAGER, &bus); | |
7069 | if (r < 0) | |
7070 | return r; | |
7071 | ||
7072 | STRV_FOREACH(name, names) { | |
7073 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
7074 | const char *s; | |
7075 | ||
7076 | r = sd_bus_call_method( | |
7077 | bus, | |
7078 | "org.freedesktop.systemd1", | |
7079 | "/org/freedesktop/systemd1", | |
7080 | "org.freedesktop.systemd1.Manager", | |
7081 | "GetUnitFileState", | |
7082 | &error, | |
7083 | &reply, | |
7084 | "s", *name); | |
7085 | if (r < 0) | |
7086 | return log_error_errno(r, "Failed to get unit file state for %s: %s", *name, bus_error_message(&error, r)); | |
7087 | ||
7088 | r = sd_bus_message_read(reply, "s", &s); | |
7089 | if (r < 0) | |
7090 | return bus_log_parse_error(r); | |
7091 | ||
7092 | if (STR_IN_SET(s, "enabled", "enabled-runtime", "static", "indirect", "generated")) | |
7093 | enabled = true; | |
7094 | ||
7095 | if (!arg_quiet) { | |
7096 | puts(s); | |
7097 | if (arg_full) { | |
7098 | r = show_installation_targets(bus, *name); | |
7099 | if (r < 0) | |
7100 | return r; | |
7101 | } | |
7102 | } | |
7103 | } | |
7104 | } | |
7105 | ||
7106 | return enabled ? EXIT_SUCCESS : EXIT_FAILURE; | |
7107 | } | |
7108 | ||
7109 | static int match_startup_finished(sd_bus_message *m, void *userdata, sd_bus_error *error) { | |
7110 | char **state = userdata; | |
7111 | int r; | |
7112 | ||
7113 | assert(state); | |
7114 | ||
7115 | r = sd_bus_get_property_string( | |
7116 | sd_bus_message_get_bus(m), | |
7117 | "org.freedesktop.systemd1", | |
7118 | "/org/freedesktop/systemd1", | |
7119 | "org.freedesktop.systemd1.Manager", | |
7120 | "SystemState", | |
7121 | NULL, | |
7122 | state); | |
7123 | ||
7124 | sd_event_exit(sd_bus_get_event(sd_bus_message_get_bus(m)), r); | |
7125 | return 0; | |
7126 | } | |
7127 | ||
7128 | static int is_system_running(int argc, char *argv[], void *userdata) { | |
7129 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
7130 | _cleanup_(sd_bus_slot_unrefp) sd_bus_slot *slot_startup_finished = NULL; | |
7131 | _cleanup_(sd_event_unrefp) sd_event* event = NULL; | |
7132 | _cleanup_free_ char *state = NULL; | |
7133 | sd_bus *bus; | |
7134 | int r; | |
7135 | ||
7136 | if (running_in_chroot() > 0 || (arg_transport == BUS_TRANSPORT_LOCAL && !sd_booted())) { | |
7137 | if (!arg_quiet) | |
7138 | puts("offline"); | |
7139 | return EXIT_FAILURE; | |
7140 | } | |
7141 | ||
7142 | r = acquire_bus(BUS_MANAGER, &bus); | |
7143 | if (r < 0) | |
7144 | return r; | |
7145 | ||
7146 | if (arg_wait) { | |
7147 | r = sd_event_default(&event); | |
7148 | if (r >= 0) | |
7149 | r = sd_bus_attach_event(bus, event, 0); | |
7150 | if (r >= 0) | |
7151 | r = sd_bus_match_signal_async( | |
7152 | bus, | |
7153 | &slot_startup_finished, | |
7154 | "org.freedesktop.systemd1", | |
7155 | "/org/freedesktop/systemd1", | |
7156 | "org.freedesktop.systemd1.Manager", | |
7157 | "StartupFinished", | |
7158 | match_startup_finished, NULL, &state); | |
7159 | if (r < 0) { | |
7160 | log_warning_errno(r, "Failed to request match for StartupFinished: %m"); | |
7161 | arg_wait = false; | |
7162 | } | |
7163 | } | |
7164 | ||
7165 | r = sd_bus_get_property_string( | |
7166 | bus, | |
7167 | "org.freedesktop.systemd1", | |
7168 | "/org/freedesktop/systemd1", | |
7169 | "org.freedesktop.systemd1.Manager", | |
7170 | "SystemState", | |
7171 | &error, | |
7172 | &state); | |
7173 | if (r < 0) { | |
7174 | log_warning_errno(r, "Failed to query system state: %s", bus_error_message(&error, r)); | |
7175 | ||
7176 | if (!arg_quiet) | |
7177 | puts("unknown"); | |
7178 | return EXIT_FAILURE; | |
7179 | } | |
7180 | ||
7181 | if (arg_wait && STR_IN_SET(state, "initializing", "starting")) { | |
7182 | r = sd_event_loop(event); | |
7183 | if (r < 0) { | |
7184 | log_warning_errno(r, "Failed to get property from event loop: %m"); | |
7185 | if (!arg_quiet) | |
7186 | puts("unknown"); | |
7187 | return EXIT_FAILURE; | |
7188 | } | |
7189 | } | |
7190 | ||
7191 | if (!arg_quiet) | |
7192 | puts(state); | |
7193 | ||
7194 | return streq(state, "running") ? EXIT_SUCCESS : EXIT_FAILURE; | |
7195 | } | |
7196 | ||
7197 | static int create_edit_temp_file(const char *new_path, const char *original_path, char **ret_tmp_fn) { | |
7198 | _cleanup_free_ char *t = NULL; | |
7199 | int r; | |
7200 | ||
7201 | assert(new_path); | |
7202 | assert(original_path); | |
7203 | assert(ret_tmp_fn); | |
7204 | ||
7205 | r = tempfn_random(new_path, NULL, &t); | |
7206 | if (r < 0) | |
7207 | return log_error_errno(r, "Failed to determine temporary filename for \"%s\": %m", new_path); | |
7208 | ||
7209 | r = mkdir_parents(new_path, 0755); | |
7210 | if (r < 0) | |
7211 | return log_error_errno(r, "Failed to create directories for \"%s\": %m", new_path); | |
7212 | ||
7213 | r = copy_file(original_path, t, 0, 0644, 0, 0, COPY_REFLINK); | |
7214 | if (r == -ENOENT) { | |
7215 | ||
7216 | r = touch(t); | |
7217 | if (r < 0) | |
7218 | return log_error_errno(r, "Failed to create temporary file \"%s\": %m", t); | |
7219 | ||
7220 | } else if (r < 0) | |
7221 | return log_error_errno(r, "Failed to create temporary file for \"%s\": %m", new_path); | |
7222 | ||
7223 | *ret_tmp_fn = TAKE_PTR(t); | |
7224 | ||
7225 | return 0; | |
7226 | } | |
7227 | ||
7228 | static int get_file_to_edit( | |
7229 | const LookupPaths *paths, | |
7230 | const char *name, | |
7231 | char **ret_path) { | |
7232 | ||
7233 | _cleanup_free_ char *path = NULL, *run = NULL; | |
7234 | ||
7235 | assert(name); | |
7236 | assert(ret_path); | |
7237 | ||
7238 | path = strjoin(paths->persistent_config, "/", name); | |
7239 | if (!path) | |
7240 | return log_oom(); | |
7241 | ||
7242 | if (arg_runtime) { | |
7243 | run = strjoin(paths->runtime_config, "/", name); | |
7244 | if (!run) | |
7245 | return log_oom(); | |
7246 | } | |
7247 | ||
7248 | if (arg_runtime) { | |
7249 | if (access(path, F_OK) >= 0) | |
7250 | return log_error_errno(SYNTHETIC_ERRNO(EEXIST), | |
7251 | "Refusing to create \"%s\" because it would be overridden by \"%s\" anyway.", | |
7252 | run, path); | |
7253 | ||
7254 | *ret_path = TAKE_PTR(run); | |
7255 | } else | |
7256 | *ret_path = TAKE_PTR(path); | |
7257 | ||
7258 | return 0; | |
7259 | } | |
7260 | ||
7261 | static int unit_file_create_new( | |
7262 | const LookupPaths *paths, | |
7263 | const char *unit_name, | |
7264 | const char *suffix, | |
7265 | char **ret_new_path, | |
7266 | char **ret_tmp_path) { | |
7267 | ||
7268 | _cleanup_free_ char *new_path = NULL, *tmp_path = NULL; | |
7269 | const char *ending; | |
7270 | int r; | |
7271 | ||
7272 | assert(unit_name); | |
7273 | assert(ret_new_path); | |
7274 | assert(ret_tmp_path); | |
7275 | ||
7276 | ending = strjoina(unit_name, suffix); | |
7277 | r = get_file_to_edit(paths, ending, &new_path); | |
7278 | if (r < 0) | |
7279 | return r; | |
7280 | ||
7281 | r = create_edit_temp_file(new_path, new_path, &tmp_path); | |
7282 | if (r < 0) | |
7283 | return r; | |
7284 | ||
7285 | *ret_new_path = TAKE_PTR(new_path); | |
7286 | *ret_tmp_path = TAKE_PTR(tmp_path); | |
7287 | ||
7288 | return 0; | |
7289 | } | |
7290 | ||
7291 | static int unit_file_create_copy( | |
7292 | const LookupPaths *paths, | |
7293 | const char *unit_name, | |
7294 | const char *fragment_path, | |
7295 | char **ret_new_path, | |
7296 | char **ret_tmp_path) { | |
7297 | ||
7298 | _cleanup_free_ char *new_path = NULL, *tmp_path = NULL; | |
7299 | int r; | |
7300 | ||
7301 | assert(fragment_path); | |
7302 | assert(unit_name); | |
7303 | assert(ret_new_path); | |
7304 | assert(ret_tmp_path); | |
7305 | ||
7306 | r = get_file_to_edit(paths, unit_name, &new_path); | |
7307 | if (r < 0) | |
7308 | return r; | |
7309 | ||
7310 | if (!path_equal(fragment_path, new_path) && access(new_path, F_OK) >= 0) { | |
7311 | char response; | |
7312 | ||
7313 | r = ask_char(&response, "yn", "\"%s\" already exists. Overwrite with \"%s\"? [(y)es, (n)o] ", new_path, fragment_path); | |
7314 | if (r < 0) | |
7315 | return r; | |
7316 | if (response != 'y') | |
7317 | return log_warning_errno(SYNTHETIC_ERRNO(EKEYREJECTED), "%s skipped.", unit_name); | |
7318 | } | |
7319 | ||
7320 | r = create_edit_temp_file(new_path, fragment_path, &tmp_path); | |
7321 | if (r < 0) | |
7322 | return r; | |
7323 | ||
7324 | *ret_new_path = TAKE_PTR(new_path); | |
7325 | *ret_tmp_path = TAKE_PTR(tmp_path); | |
7326 | ||
7327 | return 0; | |
7328 | } | |
7329 | ||
7330 | static int run_editor(char **paths) { | |
7331 | int r; | |
7332 | ||
7333 | assert(paths); | |
7334 | ||
7335 | r = safe_fork("(editor)", FORK_RESET_SIGNALS|FORK_DEATHSIG|FORK_RLIMIT_NOFILE_SAFE|FORK_LOG|FORK_WAIT, NULL); | |
7336 | if (r < 0) | |
7337 | return r; | |
7338 | if (r == 0) { | |
7339 | char **editor_args = NULL, **tmp_path, **original_path; | |
7340 | size_t n_editor_args = 0, i = 1, argc; | |
7341 | const char **args, *editor, *p; | |
7342 | ||
7343 | argc = strv_length(paths)/2 + 1; | |
7344 | ||
7345 | /* SYSTEMD_EDITOR takes precedence over EDITOR which takes precedence over VISUAL | |
7346 | * If neither SYSTEMD_EDITOR nor EDITOR nor VISUAL are present, | |
7347 | * we try to execute well known editors | |
7348 | */ | |
7349 | editor = getenv("SYSTEMD_EDITOR"); | |
7350 | if (!editor) | |
7351 | editor = getenv("EDITOR"); | |
7352 | if (!editor) | |
7353 | editor = getenv("VISUAL"); | |
7354 | ||
7355 | if (!isempty(editor)) { | |
7356 | editor_args = strv_split(editor, WHITESPACE); | |
7357 | if (!editor_args) { | |
7358 | (void) log_oom(); | |
7359 | _exit(EXIT_FAILURE); | |
7360 | } | |
7361 | n_editor_args = strv_length(editor_args); | |
7362 | argc += n_editor_args - 1; | |
7363 | } | |
7364 | ||
7365 | args = newa(const char*, argc + 1); | |
7366 | ||
7367 | if (n_editor_args > 0) { | |
7368 | args[0] = editor_args[0]; | |
7369 | for (; i < n_editor_args; i++) | |
7370 | args[i] = editor_args[i]; | |
7371 | } | |
7372 | ||
7373 | STRV_FOREACH_PAIR(original_path, tmp_path, paths) | |
7374 | args[i++] = *tmp_path; | |
7375 | args[i] = NULL; | |
7376 | ||
7377 | if (n_editor_args > 0) | |
7378 | execvp(args[0], (char* const*) args); | |
7379 | ||
7380 | FOREACH_STRING(p, "editor", "nano", "vim", "vi") { | |
7381 | args[0] = p; | |
7382 | execvp(p, (char* const*) args); | |
7383 | /* We do not fail if the editor doesn't exist | |
7384 | * because we want to try each one of them before | |
7385 | * failing. | |
7386 | */ | |
7387 | if (errno != ENOENT) { | |
7388 | log_error_errno(errno, "Failed to execute %s: %m", editor); | |
7389 | _exit(EXIT_FAILURE); | |
7390 | } | |
7391 | } | |
7392 | ||
7393 | log_error("Cannot edit unit(s), no editor available. Please set either $SYSTEMD_EDITOR, $EDITOR or $VISUAL."); | |
7394 | _exit(EXIT_FAILURE); | |
7395 | } | |
7396 | ||
7397 | return 0; | |
7398 | } | |
7399 | ||
7400 | static int find_paths_to_edit(sd_bus *bus, char **names, char ***paths) { | |
7401 | _cleanup_(lookup_paths_free) LookupPaths lp = {}; | |
7402 | char **name; | |
7403 | int r; | |
7404 | ||
7405 | assert(names); | |
7406 | assert(paths); | |
7407 | ||
7408 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
7409 | if (r < 0) | |
7410 | return r; | |
7411 | ||
7412 | STRV_FOREACH(name, names) { | |
7413 | _cleanup_free_ char *path = NULL, *new_path = NULL, *tmp_path = NULL, *tmp_name = NULL; | |
7414 | const char *unit_name; | |
7415 | ||
7416 | r = unit_find_paths(bus, *name, &lp, false, &path, NULL); | |
7417 | if (r == -EKEYREJECTED) { | |
7418 | /* If loading of the unit failed server side complete, then the server won't tell us the unit | |
7419 | * file path. In that case, find the file client side. */ | |
7420 | log_debug_errno(r, "Unit '%s' was not loaded correctly, retrying client-side.", *name); | |
7421 | r = unit_find_paths(bus, *name, &lp, true, &path, NULL); | |
7422 | } | |
7423 | if (r == -ERFKILL) | |
7424 | return log_error_errno(r, "Unit '%s' masked, cannot edit.", *name); | |
7425 | if (r < 0) | |
7426 | return r; | |
7427 | ||
7428 | if (r == 0) { | |
7429 | assert(!path); | |
7430 | ||
7431 | if (!arg_force) { | |
7432 | log_info("Run 'systemctl edit%s --force --full %s' to create a new unit.", | |
7433 | arg_scope == UNIT_FILE_GLOBAL ? " --global" : | |
7434 | arg_scope == UNIT_FILE_USER ? " --user" : "", | |
7435 | *name); | |
7436 | return -ENOENT; | |
7437 | } | |
7438 | ||
7439 | /* Create a new unit from scratch */ | |
7440 | unit_name = *name; | |
7441 | r = unit_file_create_new(&lp, unit_name, | |
7442 | arg_full ? NULL : ".d/override.conf", | |
7443 | &new_path, &tmp_path); | |
7444 | } else { | |
7445 | assert(path); | |
7446 | ||
7447 | unit_name = basename(path); | |
7448 | /* We follow unit aliases, but we need to propagate the instance */ | |
7449 | if (unit_name_is_valid(*name, UNIT_NAME_INSTANCE) && | |
7450 | unit_name_is_valid(unit_name, UNIT_NAME_TEMPLATE)) { | |
7451 | _cleanup_free_ char *instance = NULL; | |
7452 | ||
7453 | r = unit_name_to_instance(*name, &instance); | |
7454 | if (r < 0) | |
7455 | return r; | |
7456 | ||
7457 | r = unit_name_replace_instance(unit_name, instance, &tmp_name); | |
7458 | if (r < 0) | |
7459 | return r; | |
7460 | ||
7461 | unit_name = tmp_name; | |
7462 | } | |
7463 | ||
7464 | if (arg_full) | |
7465 | r = unit_file_create_copy(&lp, unit_name, path, &new_path, &tmp_path); | |
7466 | else | |
7467 | r = unit_file_create_new(&lp, unit_name, ".d/override.conf", &new_path, &tmp_path); | |
7468 | } | |
7469 | if (r < 0) | |
7470 | return r; | |
7471 | ||
7472 | r = strv_push_pair(paths, new_path, tmp_path); | |
7473 | if (r < 0) | |
7474 | return log_oom(); | |
7475 | ||
7476 | new_path = tmp_path = NULL; | |
7477 | } | |
7478 | ||
7479 | return 0; | |
7480 | } | |
7481 | ||
7482 | static int edit(int argc, char *argv[], void *userdata) { | |
7483 | _cleanup_(lookup_paths_free) LookupPaths lp = {}; | |
7484 | _cleanup_strv_free_ char **names = NULL; | |
7485 | _cleanup_strv_free_ char **paths = NULL; | |
7486 | char **original, **tmp; | |
7487 | sd_bus *bus; | |
7488 | int r; | |
7489 | ||
7490 | if (!on_tty()) | |
7491 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units if not on a tty."); | |
7492 | ||
7493 | if (arg_transport != BUS_TRANSPORT_LOCAL) | |
7494 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit units remotely."); | |
7495 | ||
7496 | r = lookup_paths_init(&lp, arg_scope, 0, arg_root); | |
7497 | if (r < 0) | |
7498 | return log_error_errno(r, "Failed to determine unit paths: %m"); | |
7499 | ||
7500 | r = acquire_bus(BUS_MANAGER, &bus); | |
7501 | if (r < 0) | |
7502 | return r; | |
7503 | ||
7504 | r = expand_names(bus, strv_skip(argv, 1), NULL, &names); | |
7505 | if (r < 0) | |
7506 | return log_error_errno(r, "Failed to expand names: %m"); | |
7507 | ||
7508 | STRV_FOREACH(tmp, names) { | |
7509 | r = unit_is_masked(bus, &lp, *tmp); | |
7510 | if (r < 0) | |
7511 | return r; | |
7512 | if (r > 0) | |
7513 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Cannot edit %s: unit is masked.", *tmp); | |
7514 | } | |
7515 | ||
7516 | r = find_paths_to_edit(bus, names, &paths); | |
7517 | if (r < 0) | |
7518 | return r; | |
7519 | ||
7520 | if (strv_isempty(paths)) | |
7521 | return -ENOENT; | |
7522 | ||
7523 | r = run_editor(paths); | |
7524 | if (r < 0) | |
7525 | goto end; | |
7526 | ||
7527 | STRV_FOREACH_PAIR(original, tmp, paths) { | |
7528 | /* If the temporary file is empty we ignore it. | |
7529 | * This allows the user to cancel the modification. | |
7530 | */ | |
7531 | if (null_or_empty_path(*tmp)) { | |
7532 | log_warning("Editing \"%s\" canceled: temporary file is empty.", *original); | |
7533 | continue; | |
7534 | } | |
7535 | ||
7536 | r = rename(*tmp, *original); | |
7537 | if (r < 0) { | |
7538 | r = log_error_errno(errno, "Failed to rename \"%s\" to \"%s\": %m", *tmp, *original); | |
7539 | goto end; | |
7540 | } | |
7541 | } | |
7542 | ||
7543 | r = 0; | |
7544 | ||
7545 | if (!arg_no_reload && !install_client_side()) | |
7546 | r = daemon_reload(argc, argv, userdata); | |
7547 | ||
7548 | end: | |
7549 | STRV_FOREACH_PAIR(original, tmp, paths) { | |
7550 | (void) unlink(*tmp); | |
7551 | ||
7552 | /* Removing empty dropin dirs */ | |
7553 | if (!arg_full) { | |
7554 | _cleanup_free_ char *dir; | |
7555 | ||
7556 | dir = dirname_malloc(*original); | |
7557 | if (!dir) | |
7558 | return log_oom(); | |
7559 | ||
7560 | /* no need to check if the dir is empty, rmdir | |
7561 | * does nothing if it is not the case. | |
7562 | */ | |
7563 | (void) rmdir(dir); | |
7564 | } | |
7565 | } | |
7566 | ||
7567 | return r; | |
7568 | } | |
7569 | ||
7570 | static int systemctl_help(void) { | |
7571 | _cleanup_free_ char *link = NULL; | |
7572 | int r; | |
7573 | ||
7574 | (void) pager_open(arg_pager_flags); | |
7575 | ||
7576 | r = terminal_urlify_man("systemctl", "1", &link); | |
7577 | if (r < 0) | |
7578 | return log_oom(); | |
7579 | ||
7580 | printf("%1$s [OPTIONS...] {COMMAND} ...\n\n" | |
7581 | "Query or send control commands to the systemd manager.\n\n" | |
7582 | " -h --help Show this help\n" | |
7583 | " --version Show package version\n" | |
7584 | " --system Connect to system manager\n" | |
7585 | " --user Connect to user service manager\n" | |
7586 | " -H --host=[USER@]HOST\n" | |
7587 | " Operate on remote host\n" | |
7588 | " -M --machine=CONTAINER\n" | |
7589 | " Operate on local container\n" | |
7590 | " -t --type=TYPE List units of a particular type\n" | |
7591 | " --state=STATE List units with particular LOAD or SUB or ACTIVE state\n" | |
7592 | " --failed Shorcut for --state=failed\n" | |
7593 | " -p --property=NAME Show only properties by this name\n" | |
7594 | " -a --all Show all properties/all units currently in memory,\n" | |
7595 | " including dead/empty ones. To list all units installed on\n" | |
7596 | " the system, use the 'list-unit-files' command instead.\n" | |
7597 | " -l --full Don't ellipsize unit names on output\n" | |
7598 | " -r --recursive Show unit list of host and local containers\n" | |
7599 | " --reverse Show reverse dependencies with 'list-dependencies'\n" | |
7600 | " --job-mode=MODE Specify how to deal with already queued jobs, when\n" | |
7601 | " queueing a new job\n" | |
7602 | " -T --show-transaction\n" | |
7603 | " When enqueuing a unit job, show full transaction\n" | |
7604 | " --show-types When showing sockets, explicitly show their type\n" | |
7605 | " --value When showing properties, only print the value\n" | |
7606 | " -i --ignore-inhibitors\n" | |
7607 | " When shutting down or sleeping, ignore inhibitors\n" | |
7608 | " --kill-who=WHO Who to send signal to\n" | |
7609 | " -s --signal=SIGNAL Which signal to send\n" | |
7610 | " --now Start or stop unit in addition to enabling or disabling it\n" | |
7611 | " --dry-run Only print what would be done\n" | |
7612 | " -q --quiet Suppress output\n" | |
7613 | " --wait For (re)start, wait until service stopped again\n" | |
7614 | " For is-system-running, wait until startup is completed\n" | |
7615 | " --no-block Do not wait until operation finished\n" | |
7616 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
7617 | " --no-reload Don't reload daemon after en-/dis-abling unit files\n" | |
7618 | " --no-legend Do not print a legend (column headers and hints)\n" | |
7619 | " --no-pager Do not pipe output into a pager\n" | |
7620 | " --no-ask-password\n" | |
7621 | " Do not ask for system passwords\n" | |
7622 | " --global Enable/disable/mask unit files globally\n" | |
7623 | " --runtime Enable/disable/mask unit files temporarily until next\n" | |
7624 | " reboot\n" | |
7625 | " -f --force When enabling unit files, override existing symlinks\n" | |
7626 | " When shutting down, execute action immediately\n" | |
7627 | " --preset-mode= Apply only enable, only disable, or all presets\n" | |
7628 | " --root=PATH Enable/disable/mask unit files in the specified root\n" | |
7629 | " directory\n" | |
7630 | " -n --lines=INTEGER Number of journal entries to show\n" | |
7631 | " -o --output=STRING Change journal output mode (short, short-precise,\n" | |
7632 | " short-iso, short-iso-precise, short-full,\n" | |
7633 | " short-monotonic, short-unix,\n" | |
7634 | " verbose, export, json, json-pretty, json-sse, cat)\n" | |
7635 | " --firmware-setup Tell the firmware to show the setup menu on next boot\n" | |
7636 | " --boot-loader-menu=TIME\n" | |
7637 | " Boot into boot loader menu on next boot\n" | |
7638 | " --boot-loader-entry=NAME\n" | |
7639 | " Boot into a specific boot loader entry on next boot\n" | |
7640 | " --plain Print unit dependencies as a list instead of a tree\n\n" | |
7641 | "%3$sUnit Commands:%4$s\n" | |
7642 | " list-units [PATTERN...] List units currently in memory\n" | |
7643 | " list-sockets [PATTERN...] List socket units currently in memory,\n" | |
7644 | " ordered by address\n" | |
7645 | " list-timers [PATTERN...] List timer units currently in memory,\n" | |
7646 | " ordered by next elapse\n" | |
7647 | " start UNIT... Start (activate) one or more units\n" | |
7648 | " stop UNIT... Stop (deactivate) one or more units\n" | |
7649 | " reload UNIT... Reload one or more units\n" | |
7650 | " restart UNIT... Start or restart one or more units\n" | |
7651 | " try-restart UNIT... Restart one or more units if active\n" | |
7652 | " reload-or-restart UNIT... Reload one or more units if possible,\n" | |
7653 | " otherwise start or restart\n" | |
7654 | " try-reload-or-restart UNIT... If active, reload one or more units,\n" | |
7655 | " if supported, otherwise restart\n" | |
7656 | " isolate UNIT Start one unit and stop all others\n" | |
7657 | " kill UNIT... Send signal to processes of a unit\n" | |
7658 | " is-active PATTERN... Check whether units are active\n" | |
7659 | " is-failed PATTERN... Check whether units are failed\n" | |
7660 | " status [PATTERN...|PID...] Show runtime status of one or more units\n" | |
7661 | " show [PATTERN...|JOB...] Show properties of one or more\n" | |
7662 | " units/jobs or the manager\n" | |
7663 | " cat PATTERN... Show files and drop-ins of specified units\n" | |
7664 | " set-property UNIT PROPERTY=VALUE... Sets one or more properties of a unit\n" | |
7665 | " help PATTERN...|PID... Show manual for one or more units\n" | |
7666 | " reset-failed [PATTERN...] Reset failed state for all, one, or more\n" | |
7667 | " units\n" | |
7668 | " list-dependencies [UNIT] Recursively show units which are required\n" | |
7669 | " or wanted by this unit or by which this\n" | |
7670 | " unit is required or wanted\n\n" | |
7671 | "%3$sUnit File Commands:%4$s\n" | |
7672 | " list-unit-files [PATTERN...] List installed unit files\n" | |
7673 | " enable [UNIT...|PATH...] Enable one or more unit files\n" | |
7674 | " disable UNIT... Disable one or more unit files\n" | |
7675 | " reenable UNIT... Reenable one or more unit files\n" | |
7676 | " preset UNIT... Enable/disable one or more unit files\n" | |
7677 | " based on preset configuration\n" | |
7678 | " preset-all Enable/disable all unit files based on\n" | |
7679 | " preset configuration\n" | |
7680 | " is-enabled UNIT... Check whether unit files are enabled\n" | |
7681 | " mask UNIT... Mask one or more units\n" | |
7682 | " unmask UNIT... Unmask one or more units\n" | |
7683 | " link PATH... Link one or more units files into\n" | |
7684 | " the search path\n" | |
7685 | " revert UNIT... Revert one or more unit files to vendor\n" | |
7686 | " version\n" | |
7687 | " add-wants TARGET UNIT... Add 'Wants' dependency for the target\n" | |
7688 | " on specified one or more units\n" | |
7689 | " add-requires TARGET UNIT... Add 'Requires' dependency for the target\n" | |
7690 | " on specified one or more units\n" | |
7691 | " edit UNIT... Edit one or more unit files\n" | |
7692 | " get-default Get the name of the default target\n" | |
7693 | " set-default TARGET Set the default target\n\n" | |
7694 | "%3$sMachine Commands:%4$s\n" | |
7695 | " list-machines [PATTERN...] List local containers and host\n\n" | |
7696 | "%3$sJob Commands:%4$s\n" | |
7697 | " list-jobs [PATTERN...] List jobs\n" | |
7698 | " cancel [JOB...] Cancel all, one, or more jobs\n\n" | |
7699 | "%3$sEnvironment Commands:%4$s\n" | |
7700 | " show-environment Dump environment\n" | |
7701 | " set-environment VARIABLE=VALUE... Set one or more environment variables\n" | |
7702 | " unset-environment VARIABLE... Unset one or more environment variables\n" | |
7703 | " import-environment [VARIABLE...] Import all or some environment variables\n\n" | |
7704 | "%3$sManager Lifecycle Commands:%4$s\n" | |
7705 | " daemon-reload Reload systemd manager configuration\n" | |
7706 | " daemon-reexec Reexecute systemd manager\n\n" | |
7707 | "%3$sSystem Commands:%4$s\n" | |
7708 | " is-system-running Check whether system is fully running\n" | |
7709 | " default Enter system default mode\n" | |
7710 | " rescue Enter system rescue mode\n" | |
7711 | " emergency Enter system emergency mode\n" | |
7712 | " halt Shut down and halt the system\n" | |
7713 | " poweroff Shut down and power-off the system\n" | |
7714 | " reboot [ARG] Shut down and reboot the system\n" | |
7715 | " kexec Shut down and reboot the system with kexec\n" | |
7716 | " exit [EXIT_CODE] Request user instance or container exit\n" | |
7717 | " switch-root ROOT [INIT] Change to a different root file system\n" | |
7718 | " suspend Suspend the system\n" | |
7719 | " hibernate Hibernate the system\n" | |
7720 | " hybrid-sleep Hibernate and suspend the system\n" | |
7721 | " suspend-then-hibernate Suspend the system, wake after a period of\n" | |
7722 | " time and put it into hibernate\n" | |
7723 | "\nSee the %2$s for details.\n" | |
7724 | , program_invocation_short_name | |
7725 | , link | |
7726 | , ansi_underline(), ansi_normal() | |
7727 | ); | |
7728 | ||
7729 | return 0; | |
7730 | } | |
7731 | ||
7732 | static int halt_help(void) { | |
7733 | _cleanup_free_ char *link = NULL; | |
7734 | int r; | |
7735 | ||
7736 | r = terminal_urlify_man("halt", "8", &link); | |
7737 | if (r < 0) | |
7738 | return log_oom(); | |
7739 | ||
7740 | printf("%s [OPTIONS...]%s\n\n" | |
7741 | "%s the system.\n\n" | |
7742 | " --help Show this help\n" | |
7743 | " --halt Halt the machine\n" | |
7744 | " -p --poweroff Switch off the machine\n" | |
7745 | " --reboot Reboot the machine\n" | |
7746 | " -f --force Force immediate halt/power-off/reboot\n" | |
7747 | " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n" | |
7748 | " -d --no-wtmp Don't write wtmp record\n" | |
7749 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
7750 | "\nSee the %s for details.\n" | |
7751 | , program_invocation_short_name | |
7752 | , arg_action == ACTION_REBOOT ? " [ARG]" : "", | |
7753 | arg_action == ACTION_REBOOT ? "Reboot" : | |
7754 | arg_action == ACTION_POWEROFF ? "Power off" : | |
7755 | "Halt" | |
7756 | , link | |
7757 | ); | |
7758 | ||
7759 | return 0; | |
7760 | } | |
7761 | ||
7762 | static int shutdown_help(void) { | |
7763 | _cleanup_free_ char *link = NULL; | |
7764 | int r; | |
7765 | ||
7766 | r = terminal_urlify_man("shutdown", "8", &link); | |
7767 | if (r < 0) | |
7768 | return log_oom(); | |
7769 | ||
7770 | printf("%s [OPTIONS...] [TIME] [WALL...]\n\n" | |
7771 | "Shut down the system.\n\n" | |
7772 | " --help Show this help\n" | |
7773 | " -H --halt Halt the machine\n" | |
7774 | " -P --poweroff Power-off the machine\n" | |
7775 | " -r --reboot Reboot the machine\n" | |
7776 | " -h Equivalent to --poweroff, overridden by --halt\n" | |
7777 | " -k Don't halt/power-off/reboot, just send warnings\n" | |
7778 | " --no-wall Don't send wall message before halt/power-off/reboot\n" | |
7779 | " -c Cancel a pending shutdown\n" | |
7780 | "\nSee the %s for details.\n" | |
7781 | , program_invocation_short_name | |
7782 | , link | |
7783 | ); | |
7784 | ||
7785 | return 0; | |
7786 | } | |
7787 | ||
7788 | static int telinit_help(void) { | |
7789 | _cleanup_free_ char *link = NULL; | |
7790 | int r; | |
7791 | ||
7792 | r = terminal_urlify_man("telinit", "8", &link); | |
7793 | if (r < 0) | |
7794 | return log_oom(); | |
7795 | ||
7796 | printf("%s [OPTIONS...] {COMMAND}\n\n" | |
7797 | "Send control commands to the init daemon.\n\n" | |
7798 | " --help Show this help\n" | |
7799 | " --no-wall Don't send wall message before halt/power-off/reboot\n\n" | |
7800 | "Commands:\n" | |
7801 | " 0 Power-off the machine\n" | |
7802 | " 6 Reboot the machine\n" | |
7803 | " 2, 3, 4, 5 Start runlevelX.target unit\n" | |
7804 | " 1, s, S Enter rescue mode\n" | |
7805 | " q, Q Reload init daemon configuration\n" | |
7806 | " u, U Reexecute init daemon\n" | |
7807 | "\nSee the %s for details.\n" | |
7808 | , program_invocation_short_name | |
7809 | , link | |
7810 | ); | |
7811 | ||
7812 | return 0; | |
7813 | } | |
7814 | ||
7815 | static int runlevel_help(void) { | |
7816 | _cleanup_free_ char *link = NULL; | |
7817 | int r; | |
7818 | ||
7819 | r = terminal_urlify_man("runlevel", "8", &link); | |
7820 | if (r < 0) | |
7821 | return log_oom(); | |
7822 | ||
7823 | printf("%s [OPTIONS...]\n\n" | |
7824 | "Prints the previous and current runlevel of the init system.\n\n" | |
7825 | " --help Show this help\n" | |
7826 | "\nSee the %s for details.\n" | |
7827 | , program_invocation_short_name | |
7828 | , link | |
7829 | ); | |
7830 | ||
7831 | return 0; | |
7832 | } | |
7833 | ||
7834 | static void help_types(void) { | |
7835 | if (!arg_no_legend) | |
7836 | puts("Available unit types:"); | |
7837 | ||
7838 | DUMP_STRING_TABLE(unit_type, UnitType, _UNIT_TYPE_MAX); | |
7839 | } | |
7840 | ||
7841 | static void help_states(void) { | |
7842 | if (!arg_no_legend) | |
7843 | puts("Available unit load states:"); | |
7844 | DUMP_STRING_TABLE(unit_load_state, UnitLoadState, _UNIT_LOAD_STATE_MAX); | |
7845 | ||
7846 | if (!arg_no_legend) | |
7847 | puts("\nAvailable unit active states:"); | |
7848 | DUMP_STRING_TABLE(unit_active_state, UnitActiveState, _UNIT_ACTIVE_STATE_MAX); | |
7849 | ||
7850 | if (!arg_no_legend) | |
7851 | puts("\nAvailable automount unit substates:"); | |
7852 | DUMP_STRING_TABLE(automount_state, AutomountState, _AUTOMOUNT_STATE_MAX); | |
7853 | ||
7854 | if (!arg_no_legend) | |
7855 | puts("\nAvailable device unit substates:"); | |
7856 | DUMP_STRING_TABLE(device_state, DeviceState, _DEVICE_STATE_MAX); | |
7857 | ||
7858 | if (!arg_no_legend) | |
7859 | puts("\nAvailable mount unit substates:"); | |
7860 | DUMP_STRING_TABLE(mount_state, MountState, _MOUNT_STATE_MAX); | |
7861 | ||
7862 | if (!arg_no_legend) | |
7863 | puts("\nAvailable path unit substates:"); | |
7864 | DUMP_STRING_TABLE(path_state, PathState, _PATH_STATE_MAX); | |
7865 | ||
7866 | if (!arg_no_legend) | |
7867 | puts("\nAvailable scope unit substates:"); | |
7868 | DUMP_STRING_TABLE(scope_state, ScopeState, _SCOPE_STATE_MAX); | |
7869 | ||
7870 | if (!arg_no_legend) | |
7871 | puts("\nAvailable service unit substates:"); | |
7872 | DUMP_STRING_TABLE(service_state, ServiceState, _SERVICE_STATE_MAX); | |
7873 | ||
7874 | if (!arg_no_legend) | |
7875 | puts("\nAvailable slice unit substates:"); | |
7876 | DUMP_STRING_TABLE(slice_state, SliceState, _SLICE_STATE_MAX); | |
7877 | ||
7878 | if (!arg_no_legend) | |
7879 | puts("\nAvailable socket unit substates:"); | |
7880 | DUMP_STRING_TABLE(socket_state, SocketState, _SOCKET_STATE_MAX); | |
7881 | ||
7882 | if (!arg_no_legend) | |
7883 | puts("\nAvailable swap unit substates:"); | |
7884 | DUMP_STRING_TABLE(swap_state, SwapState, _SWAP_STATE_MAX); | |
7885 | ||
7886 | if (!arg_no_legend) | |
7887 | puts("\nAvailable target unit substates:"); | |
7888 | DUMP_STRING_TABLE(target_state, TargetState, _TARGET_STATE_MAX); | |
7889 | ||
7890 | if (!arg_no_legend) | |
7891 | puts("\nAvailable timer unit substates:"); | |
7892 | DUMP_STRING_TABLE(timer_state, TimerState, _TIMER_STATE_MAX); | |
7893 | } | |
7894 | ||
7895 | static int help_boot_loader_entry(void) { | |
7896 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
7897 | _cleanup_free_ char **l = NULL; | |
7898 | sd_bus *bus; | |
7899 | char **i; | |
7900 | int r; | |
7901 | ||
7902 | r = acquire_bus(BUS_FULL, &bus); | |
7903 | if (r < 0) | |
7904 | return r; | |
7905 | ||
7906 | r = sd_bus_get_property_strv( | |
7907 | bus, | |
7908 | "org.freedesktop.login1", | |
7909 | "/org/freedesktop/login1", | |
7910 | "org.freedesktop.login1.Manager", | |
7911 | "BootLoaderEntries", | |
7912 | &error, | |
7913 | &l); | |
7914 | if (r < 0) | |
7915 | return log_error_errno(r, "Failed to enumerate boot loader entries: %s", bus_error_message(&error, r)); | |
7916 | ||
7917 | if (strv_isempty(l)) | |
7918 | return log_error_errno(SYNTHETIC_ERRNO(ENODATA), "No boot loader entries discovered."); | |
7919 | ||
7920 | STRV_FOREACH(i, l) | |
7921 | puts(*i); | |
7922 | ||
7923 | return 0; | |
7924 | } | |
7925 | ||
7926 | static int systemctl_parse_argv(int argc, char *argv[]) { | |
7927 | enum { | |
7928 | ARG_FAIL = 0x100, | |
7929 | ARG_REVERSE, | |
7930 | ARG_AFTER, | |
7931 | ARG_BEFORE, | |
7932 | ARG_DRY_RUN, | |
7933 | ARG_SHOW_TYPES, | |
7934 | ARG_IRREVERSIBLE, | |
7935 | ARG_IGNORE_DEPENDENCIES, | |
7936 | ARG_VALUE, | |
7937 | ARG_VERSION, | |
7938 | ARG_USER, | |
7939 | ARG_SYSTEM, | |
7940 | ARG_GLOBAL, | |
7941 | ARG_NO_BLOCK, | |
7942 | ARG_NO_LEGEND, | |
7943 | ARG_NO_PAGER, | |
7944 | ARG_NO_WALL, | |
7945 | ARG_ROOT, | |
7946 | ARG_NO_RELOAD, | |
7947 | ARG_KILL_WHO, | |
7948 | ARG_NO_ASK_PASSWORD, | |
7949 | ARG_FAILED, | |
7950 | ARG_RUNTIME, | |
7951 | ARG_PLAIN, | |
7952 | ARG_STATE, | |
7953 | ARG_JOB_MODE, | |
7954 | ARG_PRESET_MODE, | |
7955 | ARG_FIRMWARE_SETUP, | |
7956 | ARG_BOOT_LOADER_MENU, | |
7957 | ARG_BOOT_LOADER_ENTRY, | |
7958 | ARG_NOW, | |
7959 | ARG_MESSAGE, | |
7960 | ARG_WAIT, | |
7961 | }; | |
7962 | ||
7963 | static const struct option options[] = { | |
7964 | { "help", no_argument, NULL, 'h' }, | |
7965 | { "version", no_argument, NULL, ARG_VERSION }, | |
7966 | { "type", required_argument, NULL, 't' }, | |
7967 | { "property", required_argument, NULL, 'p' }, | |
7968 | { "all", no_argument, NULL, 'a' }, | |
7969 | { "reverse", no_argument, NULL, ARG_REVERSE }, | |
7970 | { "after", no_argument, NULL, ARG_AFTER }, | |
7971 | { "before", no_argument, NULL, ARG_BEFORE }, | |
7972 | { "show-types", no_argument, NULL, ARG_SHOW_TYPES }, | |
7973 | { "failed", no_argument, NULL, ARG_FAILED }, /* compatibility only */ | |
7974 | { "full", no_argument, NULL, 'l' }, | |
7975 | { "job-mode", required_argument, NULL, ARG_JOB_MODE }, | |
7976 | { "fail", no_argument, NULL, ARG_FAIL }, /* compatibility only */ | |
7977 | { "irreversible", no_argument, NULL, ARG_IRREVERSIBLE }, /* compatibility only */ | |
7978 | { "ignore-dependencies", no_argument, NULL, ARG_IGNORE_DEPENDENCIES }, /* compatibility only */ | |
7979 | { "ignore-inhibitors", no_argument, NULL, 'i' }, | |
7980 | { "value", no_argument, NULL, ARG_VALUE }, | |
7981 | { "user", no_argument, NULL, ARG_USER }, | |
7982 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
7983 | { "global", no_argument, NULL, ARG_GLOBAL }, | |
7984 | { "wait", no_argument, NULL, ARG_WAIT }, | |
7985 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
7986 | { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, | |
7987 | { "no-pager", no_argument, NULL, ARG_NO_PAGER }, | |
7988 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
7989 | { "dry-run", no_argument, NULL, ARG_DRY_RUN }, | |
7990 | { "quiet", no_argument, NULL, 'q' }, | |
7991 | { "root", required_argument, NULL, ARG_ROOT }, | |
7992 | { "force", no_argument, NULL, 'f' }, | |
7993 | { "no-reload", no_argument, NULL, ARG_NO_RELOAD }, | |
7994 | { "kill-who", required_argument, NULL, ARG_KILL_WHO }, | |
7995 | { "signal", required_argument, NULL, 's' }, | |
7996 | { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, | |
7997 | { "host", required_argument, NULL, 'H' }, | |
7998 | { "machine", required_argument, NULL, 'M' }, | |
7999 | { "runtime", no_argument, NULL, ARG_RUNTIME }, | |
8000 | { "lines", required_argument, NULL, 'n' }, | |
8001 | { "output", required_argument, NULL, 'o' }, | |
8002 | { "plain", no_argument, NULL, ARG_PLAIN }, | |
8003 | { "state", required_argument, NULL, ARG_STATE }, | |
8004 | { "recursive", no_argument, NULL, 'r' }, | |
8005 | { "preset-mode", required_argument, NULL, ARG_PRESET_MODE }, | |
8006 | { "firmware-setup", no_argument, NULL, ARG_FIRMWARE_SETUP }, | |
8007 | { "boot-loader-menu", required_argument, NULL, ARG_BOOT_LOADER_MENU }, | |
8008 | { "boot-loader-entry", required_argument, NULL, ARG_BOOT_LOADER_ENTRY }, | |
8009 | { "now", no_argument, NULL, ARG_NOW }, | |
8010 | { "message", required_argument, NULL, ARG_MESSAGE }, | |
8011 | { "show-transaction", no_argument, NULL, 'T' }, | |
8012 | {} | |
8013 | }; | |
8014 | ||
8015 | int c, r; | |
8016 | ||
8017 | assert(argc >= 0); | |
8018 | assert(argv); | |
8019 | ||
8020 | /* we default to allowing interactive authorization only in systemctl (not in the legacy commands) */ | |
8021 | arg_ask_password = true; | |
8022 | ||
8023 | while ((c = getopt_long(argc, argv, "ht:p:alqfs:H:M:n:o:iTr.::", options, NULL)) >= 0) | |
8024 | ||
8025 | switch (c) { | |
8026 | ||
8027 | case 'h': | |
8028 | return systemctl_help(); | |
8029 | ||
8030 | case ARG_VERSION: | |
8031 | return version(); | |
8032 | ||
8033 | case 't': { | |
8034 | const char *p; | |
8035 | ||
8036 | if (isempty(optarg)) | |
8037 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8038 | "--type= requires arguments."); | |
8039 | ||
8040 | for (p = optarg;;) { | |
8041 | _cleanup_free_ char *type = NULL; | |
8042 | ||
8043 | r = extract_first_word(&p, &type, ",", 0); | |
8044 | if (r < 0) | |
8045 | return log_error_errno(r, "Failed to parse type: %s", optarg); | |
8046 | if (r == 0) | |
8047 | break; | |
8048 | ||
8049 | if (streq(type, "help")) { | |
8050 | help_types(); | |
8051 | return 0; | |
8052 | } | |
8053 | ||
8054 | if (unit_type_from_string(type) >= 0) { | |
8055 | if (strv_consume(&arg_types, TAKE_PTR(type)) < 0) | |
8056 | return log_oom(); | |
8057 | continue; | |
8058 | } | |
8059 | ||
8060 | /* It's much nicer to use --state= for | |
8061 | * load states, but let's support this | |
8062 | * in --types= too for compatibility | |
8063 | * with old versions */ | |
8064 | if (unit_load_state_from_string(type) >= 0) { | |
8065 | if (strv_consume(&arg_states, TAKE_PTR(type)) < 0) | |
8066 | return log_oom(); | |
8067 | continue; | |
8068 | } | |
8069 | ||
8070 | log_error("Unknown unit type or load state '%s'.", type); | |
8071 | return log_info_errno(SYNTHETIC_ERRNO(EINVAL), | |
8072 | "Use -t help to see a list of allowed values."); | |
8073 | } | |
8074 | ||
8075 | break; | |
8076 | } | |
8077 | ||
8078 | case 'p': | |
8079 | /* Make sure that if the empty property list was specified, we won't show any | |
8080 | properties. */ | |
8081 | if (isempty(optarg) && !arg_properties) { | |
8082 | arg_properties = new0(char*, 1); | |
8083 | if (!arg_properties) | |
8084 | return log_oom(); | |
8085 | } else { | |
8086 | const char *p; | |
8087 | ||
8088 | for (p = optarg;;) { | |
8089 | _cleanup_free_ char *prop = NULL; | |
8090 | ||
8091 | r = extract_first_word(&p, &prop, ",", 0); | |
8092 | if (r < 0) | |
8093 | return log_error_errno(r, "Failed to parse property: %s", optarg); | |
8094 | if (r == 0) | |
8095 | break; | |
8096 | ||
8097 | if (strv_consume(&arg_properties, TAKE_PTR(prop)) < 0) | |
8098 | return log_oom(); | |
8099 | } | |
8100 | } | |
8101 | ||
8102 | /* If the user asked for a particular | |
8103 | * property, show it to him, even if it is | |
8104 | * empty. */ | |
8105 | arg_all = true; | |
8106 | ||
8107 | break; | |
8108 | ||
8109 | case 'a': | |
8110 | arg_all = true; | |
8111 | break; | |
8112 | ||
8113 | case ARG_REVERSE: | |
8114 | arg_dependency = DEPENDENCY_REVERSE; | |
8115 | break; | |
8116 | ||
8117 | case ARG_AFTER: | |
8118 | arg_dependency = DEPENDENCY_AFTER; | |
8119 | arg_jobs_after = true; | |
8120 | break; | |
8121 | ||
8122 | case ARG_BEFORE: | |
8123 | arg_dependency = DEPENDENCY_BEFORE; | |
8124 | arg_jobs_before = true; | |
8125 | break; | |
8126 | ||
8127 | case ARG_SHOW_TYPES: | |
8128 | arg_show_types = true; | |
8129 | break; | |
8130 | ||
8131 | case ARG_VALUE: | |
8132 | arg_value = true; | |
8133 | break; | |
8134 | ||
8135 | case ARG_JOB_MODE: | |
8136 | arg_job_mode = optarg; | |
8137 | break; | |
8138 | ||
8139 | case ARG_FAIL: | |
8140 | arg_job_mode = "fail"; | |
8141 | break; | |
8142 | ||
8143 | case ARG_IRREVERSIBLE: | |
8144 | arg_job_mode = "replace-irreversibly"; | |
8145 | break; | |
8146 | ||
8147 | case ARG_IGNORE_DEPENDENCIES: | |
8148 | arg_job_mode = "ignore-dependencies"; | |
8149 | break; | |
8150 | ||
8151 | case ARG_USER: | |
8152 | arg_scope = UNIT_FILE_USER; | |
8153 | break; | |
8154 | ||
8155 | case ARG_SYSTEM: | |
8156 | arg_scope = UNIT_FILE_SYSTEM; | |
8157 | break; | |
8158 | ||
8159 | case ARG_GLOBAL: | |
8160 | arg_scope = UNIT_FILE_GLOBAL; | |
8161 | break; | |
8162 | ||
8163 | case ARG_WAIT: | |
8164 | arg_wait = true; | |
8165 | break; | |
8166 | ||
8167 | case ARG_NO_BLOCK: | |
8168 | arg_no_block = true; | |
8169 | break; | |
8170 | ||
8171 | case ARG_NO_LEGEND: | |
8172 | arg_no_legend = true; | |
8173 | break; | |
8174 | ||
8175 | case ARG_NO_PAGER: | |
8176 | arg_pager_flags |= PAGER_DISABLE; | |
8177 | break; | |
8178 | ||
8179 | case ARG_NO_WALL: | |
8180 | arg_no_wall = true; | |
8181 | break; | |
8182 | ||
8183 | case ARG_ROOT: | |
8184 | r = parse_path_argument_and_warn(optarg, false, &arg_root); | |
8185 | if (r < 0) | |
8186 | return r; | |
8187 | break; | |
8188 | ||
8189 | case 'l': | |
8190 | arg_full = true; | |
8191 | break; | |
8192 | ||
8193 | case ARG_FAILED: | |
8194 | if (strv_extend(&arg_states, "failed") < 0) | |
8195 | return log_oom(); | |
8196 | ||
8197 | break; | |
8198 | ||
8199 | case ARG_DRY_RUN: | |
8200 | arg_dry_run = true; | |
8201 | break; | |
8202 | ||
8203 | case 'q': | |
8204 | arg_quiet = true; | |
8205 | break; | |
8206 | ||
8207 | case 'f': | |
8208 | arg_force++; | |
8209 | break; | |
8210 | ||
8211 | case ARG_NO_RELOAD: | |
8212 | arg_no_reload = true; | |
8213 | break; | |
8214 | ||
8215 | case ARG_KILL_WHO: | |
8216 | arg_kill_who = optarg; | |
8217 | break; | |
8218 | ||
8219 | case 's': | |
8220 | if (streq(optarg, "help")) { | |
8221 | DUMP_STRING_TABLE(signal, int, _NSIG); | |
8222 | return 0; | |
8223 | } | |
8224 | ||
8225 | arg_signal = signal_from_string(optarg); | |
8226 | if (arg_signal < 0) | |
8227 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8228 | "Failed to parse signal string %s.", | |
8229 | optarg); | |
8230 | break; | |
8231 | ||
8232 | case ARG_NO_ASK_PASSWORD: | |
8233 | arg_ask_password = false; | |
8234 | break; | |
8235 | ||
8236 | case 'H': | |
8237 | arg_transport = BUS_TRANSPORT_REMOTE; | |
8238 | arg_host = optarg; | |
8239 | break; | |
8240 | ||
8241 | case 'M': | |
8242 | arg_transport = BUS_TRANSPORT_MACHINE; | |
8243 | arg_host = optarg; | |
8244 | break; | |
8245 | ||
8246 | case ARG_RUNTIME: | |
8247 | arg_runtime = true; | |
8248 | break; | |
8249 | ||
8250 | case 'n': | |
8251 | if (safe_atou(optarg, &arg_lines) < 0) | |
8252 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8253 | "Failed to parse lines '%s'", | |
8254 | optarg); | |
8255 | break; | |
8256 | ||
8257 | case 'o': | |
8258 | if (streq(optarg, "help")) { | |
8259 | DUMP_STRING_TABLE(output_mode, OutputMode, _OUTPUT_MODE_MAX); | |
8260 | return 0; | |
8261 | } | |
8262 | ||
8263 | arg_output = output_mode_from_string(optarg); | |
8264 | if (arg_output < 0) | |
8265 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8266 | "Unknown output '%s'.", | |
8267 | optarg); | |
8268 | break; | |
8269 | ||
8270 | case 'i': | |
8271 | arg_ignore_inhibitors = true; | |
8272 | break; | |
8273 | ||
8274 | case ARG_PLAIN: | |
8275 | arg_plain = true; | |
8276 | break; | |
8277 | ||
8278 | case ARG_FIRMWARE_SETUP: | |
8279 | arg_firmware_setup = true; | |
8280 | break; | |
8281 | ||
8282 | case ARG_BOOT_LOADER_MENU: | |
8283 | ||
8284 | r = parse_sec(optarg, &arg_boot_loader_menu); | |
8285 | if (r < 0) | |
8286 | return log_error_errno(r, "Failed to parse --boot-loader-menu= argument '%s': %m", optarg); | |
8287 | ||
8288 | break; | |
8289 | ||
8290 | case ARG_BOOT_LOADER_ENTRY: | |
8291 | ||
8292 | if (streq(optarg, "help")) { /* Yes, this means, "help" is not a valid boot loader entry name we can deal with */ | |
8293 | r = help_boot_loader_entry(); | |
8294 | if (r < 0) | |
8295 | return r; | |
8296 | ||
8297 | return 0; | |
8298 | } | |
8299 | ||
8300 | arg_boot_loader_entry = empty_to_null(optarg); | |
8301 | break; | |
8302 | ||
8303 | case ARG_STATE: { | |
8304 | const char *p; | |
8305 | ||
8306 | if (isempty(optarg)) | |
8307 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8308 | "--state= requires arguments."); | |
8309 | ||
8310 | for (p = optarg;;) { | |
8311 | _cleanup_free_ char *s = NULL; | |
8312 | ||
8313 | r = extract_first_word(&p, &s, ",", 0); | |
8314 | if (r < 0) | |
8315 | return log_error_errno(r, "Failed to parse state: %s", optarg); | |
8316 | if (r == 0) | |
8317 | break; | |
8318 | ||
8319 | if (streq(s, "help")) { | |
8320 | help_states(); | |
8321 | return 0; | |
8322 | } | |
8323 | ||
8324 | if (strv_consume(&arg_states, TAKE_PTR(s)) < 0) | |
8325 | return log_oom(); | |
8326 | } | |
8327 | break; | |
8328 | } | |
8329 | ||
8330 | case 'r': | |
8331 | if (geteuid() != 0) | |
8332 | return log_error_errno(SYNTHETIC_ERRNO(EPERM), | |
8333 | "--recursive requires root privileges."); | |
8334 | ||
8335 | arg_recursive = true; | |
8336 | break; | |
8337 | ||
8338 | case ARG_PRESET_MODE: | |
8339 | if (streq(optarg, "help")) { | |
8340 | DUMP_STRING_TABLE(unit_file_preset_mode, UnitFilePresetMode, _UNIT_FILE_PRESET_MAX); | |
8341 | return 0; | |
8342 | } | |
8343 | ||
8344 | arg_preset_mode = unit_file_preset_mode_from_string(optarg); | |
8345 | if (arg_preset_mode < 0) | |
8346 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8347 | "Failed to parse preset mode: %s.", optarg); | |
8348 | ||
8349 | break; | |
8350 | ||
8351 | case ARG_NOW: | |
8352 | arg_now = true; | |
8353 | break; | |
8354 | ||
8355 | case ARG_MESSAGE: | |
8356 | if (strv_extend(&arg_wall, optarg) < 0) | |
8357 | return log_oom(); | |
8358 | break; | |
8359 | ||
8360 | case 'T': | |
8361 | arg_show_transaction = true; | |
8362 | break; | |
8363 | ||
8364 | case '.': | |
8365 | /* Output an error mimicking getopt, and print a hint afterwards */ | |
8366 | log_error("%s: invalid option -- '.'", program_invocation_name); | |
8367 | log_notice("Hint: to specify units starting with a dash, use \"--\":\n" | |
8368 | " %s [OPTIONS...] {COMMAND} -- -.%s ...", | |
8369 | program_invocation_name, optarg ?: "mount"); | |
8370 | _fallthrough_; | |
8371 | ||
8372 | case '?': | |
8373 | return -EINVAL; | |
8374 | ||
8375 | default: | |
8376 | assert_not_reached("Unhandled option"); | |
8377 | } | |
8378 | ||
8379 | if (arg_transport != BUS_TRANSPORT_LOCAL && arg_scope != UNIT_FILE_SYSTEM) | |
8380 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8381 | "Cannot access user instance remotely."); | |
8382 | ||
8383 | if (arg_wait && arg_no_block) | |
8384 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8385 | "--wait may not be combined with --no-block."); | |
8386 | ||
8387 | return 1; | |
8388 | } | |
8389 | ||
8390 | static int halt_parse_argv(int argc, char *argv[]) { | |
8391 | enum { | |
8392 | ARG_HELP = 0x100, | |
8393 | ARG_HALT, | |
8394 | ARG_REBOOT, | |
8395 | ARG_NO_WALL | |
8396 | }; | |
8397 | ||
8398 | static const struct option options[] = { | |
8399 | { "help", no_argument, NULL, ARG_HELP }, | |
8400 | { "halt", no_argument, NULL, ARG_HALT }, | |
8401 | { "poweroff", no_argument, NULL, 'p' }, | |
8402 | { "reboot", no_argument, NULL, ARG_REBOOT }, | |
8403 | { "force", no_argument, NULL, 'f' }, | |
8404 | { "wtmp-only", no_argument, NULL, 'w' }, | |
8405 | { "no-wtmp", no_argument, NULL, 'd' }, | |
8406 | { "no-sync", no_argument, NULL, 'n' }, | |
8407 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
8408 | {} | |
8409 | }; | |
8410 | ||
8411 | int c, r, runlevel; | |
8412 | ||
8413 | assert(argc >= 0); | |
8414 | assert(argv); | |
8415 | ||
8416 | if (utmp_get_runlevel(&runlevel, NULL) >= 0) | |
8417 | if (IN_SET(runlevel, '0', '6')) | |
8418 | arg_force = 2; | |
8419 | ||
8420 | while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) | |
8421 | switch (c) { | |
8422 | ||
8423 | case ARG_HELP: | |
8424 | return halt_help(); | |
8425 | ||
8426 | case ARG_HALT: | |
8427 | arg_action = ACTION_HALT; | |
8428 | break; | |
8429 | ||
8430 | case 'p': | |
8431 | if (arg_action != ACTION_REBOOT) | |
8432 | arg_action = ACTION_POWEROFF; | |
8433 | break; | |
8434 | ||
8435 | case ARG_REBOOT: | |
8436 | arg_action = ACTION_REBOOT; | |
8437 | break; | |
8438 | ||
8439 | case 'f': | |
8440 | arg_force = 2; | |
8441 | break; | |
8442 | ||
8443 | case 'w': | |
8444 | arg_dry_run = true; | |
8445 | break; | |
8446 | ||
8447 | case 'd': | |
8448 | arg_no_wtmp = true; | |
8449 | break; | |
8450 | ||
8451 | case 'n': | |
8452 | arg_no_sync = true; | |
8453 | break; | |
8454 | ||
8455 | case ARG_NO_WALL: | |
8456 | arg_no_wall = true; | |
8457 | break; | |
8458 | ||
8459 | case 'i': | |
8460 | case 'h': | |
8461 | /* Compatibility nops */ | |
8462 | break; | |
8463 | ||
8464 | case '?': | |
8465 | return -EINVAL; | |
8466 | ||
8467 | default: | |
8468 | assert_not_reached("Unhandled option"); | |
8469 | } | |
8470 | ||
8471 | if (arg_action == ACTION_REBOOT && (argc == optind || argc == optind + 1)) { | |
8472 | r = update_reboot_parameter_and_warn(argc == optind + 1 ? argv[optind] : NULL, false); | |
8473 | if (r < 0) | |
8474 | return r; | |
8475 | } else if (optind < argc) | |
8476 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8477 | "Too many arguments."); | |
8478 | ||
8479 | return 1; | |
8480 | } | |
8481 | ||
8482 | static int shutdown_parse_argv(int argc, char *argv[]) { | |
8483 | enum { | |
8484 | ARG_HELP = 0x100, | |
8485 | ARG_NO_WALL | |
8486 | }; | |
8487 | ||
8488 | static const struct option options[] = { | |
8489 | { "help", no_argument, NULL, ARG_HELP }, | |
8490 | { "halt", no_argument, NULL, 'H' }, | |
8491 | { "poweroff", no_argument, NULL, 'P' }, | |
8492 | { "reboot", no_argument, NULL, 'r' }, | |
8493 | { "kexec", no_argument, NULL, 'K' }, /* not documented extension */ | |
8494 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
8495 | {} | |
8496 | }; | |
8497 | ||
8498 | char **wall = NULL; | |
8499 | int c, r; | |
8500 | ||
8501 | assert(argc >= 0); | |
8502 | assert(argv); | |
8503 | ||
8504 | while ((c = getopt_long(argc, argv, "HPrhkKat:fFc", options, NULL)) >= 0) | |
8505 | switch (c) { | |
8506 | ||
8507 | case ARG_HELP: | |
8508 | return shutdown_help(); | |
8509 | ||
8510 | case 'H': | |
8511 | arg_action = ACTION_HALT; | |
8512 | break; | |
8513 | ||
8514 | case 'P': | |
8515 | arg_action = ACTION_POWEROFF; | |
8516 | break; | |
8517 | ||
8518 | case 'r': | |
8519 | if (kexec_loaded()) | |
8520 | arg_action = ACTION_KEXEC; | |
8521 | else | |
8522 | arg_action = ACTION_REBOOT; | |
8523 | break; | |
8524 | ||
8525 | case 'K': | |
8526 | arg_action = ACTION_KEXEC; | |
8527 | break; | |
8528 | ||
8529 | case 'h': | |
8530 | if (arg_action != ACTION_HALT) | |
8531 | arg_action = ACTION_POWEROFF; | |
8532 | break; | |
8533 | ||
8534 | case 'k': | |
8535 | arg_dry_run = true; | |
8536 | break; | |
8537 | ||
8538 | case ARG_NO_WALL: | |
8539 | arg_no_wall = true; | |
8540 | break; | |
8541 | ||
8542 | case 'a': | |
8543 | case 't': /* Note that we also ignore any passed argument to -t, not just the -t itself */ | |
8544 | case 'f': | |
8545 | case 'F': | |
8546 | /* Compatibility nops */ | |
8547 | break; | |
8548 | ||
8549 | case 'c': | |
8550 | arg_action = ACTION_CANCEL_SHUTDOWN; | |
8551 | break; | |
8552 | ||
8553 | case '?': | |
8554 | return -EINVAL; | |
8555 | ||
8556 | default: | |
8557 | assert_not_reached("Unhandled option"); | |
8558 | } | |
8559 | ||
8560 | if (argc > optind && arg_action != ACTION_CANCEL_SHUTDOWN) { | |
8561 | r = parse_shutdown_time_spec(argv[optind], &arg_when); | |
8562 | if (r < 0) { | |
8563 | log_error("Failed to parse time specification: %s", argv[optind]); | |
8564 | return r; | |
8565 | } | |
8566 | } else | |
8567 | arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE; | |
8568 | ||
8569 | if (argc > optind && arg_action == ACTION_CANCEL_SHUTDOWN) | |
8570 | /* No time argument for shutdown cancel */ | |
8571 | wall = argv + optind; | |
8572 | else if (argc > optind + 1) | |
8573 | /* We skip the time argument */ | |
8574 | wall = argv + optind + 1; | |
8575 | ||
8576 | if (wall) { | |
8577 | arg_wall = strv_copy(wall); | |
8578 | if (!arg_wall) | |
8579 | return log_oom(); | |
8580 | } | |
8581 | ||
8582 | optind = argc; | |
8583 | ||
8584 | return 1; | |
8585 | } | |
8586 | ||
8587 | static int telinit_parse_argv(int argc, char *argv[]) { | |
8588 | enum { | |
8589 | ARG_HELP = 0x100, | |
8590 | ARG_NO_WALL | |
8591 | }; | |
8592 | ||
8593 | static const struct option options[] = { | |
8594 | { "help", no_argument, NULL, ARG_HELP }, | |
8595 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
8596 | {} | |
8597 | }; | |
8598 | ||
8599 | static const struct { | |
8600 | char from; | |
8601 | enum action to; | |
8602 | } table[] = { | |
8603 | { '0', ACTION_POWEROFF }, | |
8604 | { '6', ACTION_REBOOT }, | |
8605 | { '1', ACTION_RESCUE }, | |
8606 | { '2', ACTION_RUNLEVEL2 }, | |
8607 | { '3', ACTION_RUNLEVEL3 }, | |
8608 | { '4', ACTION_RUNLEVEL4 }, | |
8609 | { '5', ACTION_RUNLEVEL5 }, | |
8610 | { 's', ACTION_RESCUE }, | |
8611 | { 'S', ACTION_RESCUE }, | |
8612 | { 'q', ACTION_RELOAD }, | |
8613 | { 'Q', ACTION_RELOAD }, | |
8614 | { 'u', ACTION_REEXEC }, | |
8615 | { 'U', ACTION_REEXEC } | |
8616 | }; | |
8617 | ||
8618 | unsigned i; | |
8619 | int c; | |
8620 | ||
8621 | assert(argc >= 0); | |
8622 | assert(argv); | |
8623 | ||
8624 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
8625 | switch (c) { | |
8626 | ||
8627 | case ARG_HELP: | |
8628 | return telinit_help(); | |
8629 | ||
8630 | case ARG_NO_WALL: | |
8631 | arg_no_wall = true; | |
8632 | break; | |
8633 | ||
8634 | case '?': | |
8635 | return -EINVAL; | |
8636 | ||
8637 | default: | |
8638 | assert_not_reached("Unhandled option"); | |
8639 | } | |
8640 | ||
8641 | if (optind >= argc) | |
8642 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8643 | "%s: required argument missing.", | |
8644 | program_invocation_short_name); | |
8645 | ||
8646 | if (optind + 1 < argc) | |
8647 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8648 | "Too many arguments."); | |
8649 | ||
8650 | if (strlen(argv[optind]) != 1) | |
8651 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8652 | "Expected single character argument."); | |
8653 | ||
8654 | for (i = 0; i < ELEMENTSOF(table); i++) | |
8655 | if (table[i].from == argv[optind][0]) | |
8656 | break; | |
8657 | ||
8658 | if (i >= ELEMENTSOF(table)) | |
8659 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8660 | "Unknown command '%s'.", argv[optind]); | |
8661 | ||
8662 | arg_action = table[i].to; | |
8663 | ||
8664 | optind++; | |
8665 | ||
8666 | return 1; | |
8667 | } | |
8668 | ||
8669 | static int runlevel_parse_argv(int argc, char *argv[]) { | |
8670 | enum { | |
8671 | ARG_HELP = 0x100, | |
8672 | }; | |
8673 | ||
8674 | static const struct option options[] = { | |
8675 | { "help", no_argument, NULL, ARG_HELP }, | |
8676 | {} | |
8677 | }; | |
8678 | ||
8679 | int c; | |
8680 | ||
8681 | assert(argc >= 0); | |
8682 | assert(argv); | |
8683 | ||
8684 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) | |
8685 | switch (c) { | |
8686 | ||
8687 | case ARG_HELP: | |
8688 | return runlevel_help(); | |
8689 | ||
8690 | case '?': | |
8691 | return -EINVAL; | |
8692 | ||
8693 | default: | |
8694 | assert_not_reached("Unhandled option"); | |
8695 | } | |
8696 | ||
8697 | if (optind < argc) | |
8698 | return log_error_errno(SYNTHETIC_ERRNO(EINVAL), | |
8699 | "Too many arguments."); | |
8700 | ||
8701 | return 1; | |
8702 | } | |
8703 | ||
8704 | static int parse_argv(int argc, char *argv[]) { | |
8705 | assert(argc >= 0); | |
8706 | assert(argv); | |
8707 | ||
8708 | if (program_invocation_short_name) { | |
8709 | ||
8710 | if (strstr(program_invocation_short_name, "halt")) { | |
8711 | arg_action = ACTION_HALT; | |
8712 | return halt_parse_argv(argc, argv); | |
8713 | ||
8714 | } else if (strstr(program_invocation_short_name, "poweroff")) { | |
8715 | arg_action = ACTION_POWEROFF; | |
8716 | return halt_parse_argv(argc, argv); | |
8717 | ||
8718 | } else if (strstr(program_invocation_short_name, "reboot")) { | |
8719 | if (kexec_loaded()) | |
8720 | arg_action = ACTION_KEXEC; | |
8721 | else | |
8722 | arg_action = ACTION_REBOOT; | |
8723 | return halt_parse_argv(argc, argv); | |
8724 | ||
8725 | } else if (strstr(program_invocation_short_name, "shutdown")) { | |
8726 | arg_action = ACTION_POWEROFF; | |
8727 | return shutdown_parse_argv(argc, argv); | |
8728 | ||
8729 | } else if (strstr(program_invocation_short_name, "init")) { | |
8730 | ||
8731 | /* Matches invocations as "init" as well as "telinit", which are synonymous when run as PID != | |
8732 | * 1 on SysV. | |
8733 | * | |
8734 | * On SysV "telinit" was the official command to communicate with PID 1, but "init" would | |
8735 | * redirect itself to "telinit" if called with PID != 1. We follow the same logic here still, | |
8736 | * though we add one level of indirection, as we implement "telinit" in "systemctl". Hence, for | |
8737 | * us if you invoke "init" you get "systemd", but it will execve() "systemctl" immediately with | |
8738 | * argv[] unmodified if PID is != 1. If you invoke "telinit" you directly get "systemctl". In | |
8739 | * both cases we shall do the same thing, which is why we do strstr(p_i_s_n, "init") here, as a | |
8740 | * quick way to match both. | |
8741 | * | |
8742 | * Also see redirect_telinit() in src/core/main.c. */ | |
8743 | ||
8744 | if (sd_booted() > 0) { | |
8745 | arg_action = _ACTION_INVALID; | |
8746 | return telinit_parse_argv(argc, argv); | |
8747 | } else { | |
8748 | /* Hmm, so some other init system is running, we need to forward this request to | |
8749 | * it. For now we simply guess that it is Upstart. */ | |
8750 | ||
8751 | (void) rlimit_nofile_safe(); | |
8752 | execv(TELINIT, argv); | |
8753 | ||
8754 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
8755 | "Couldn't find an alternative telinit implementation to spawn."); | |
8756 | } | |
8757 | ||
8758 | } else if (strstr(program_invocation_short_name, "runlevel")) { | |
8759 | arg_action = ACTION_RUNLEVEL; | |
8760 | return runlevel_parse_argv(argc, argv); | |
8761 | } | |
8762 | } | |
8763 | ||
8764 | arg_action = ACTION_SYSTEMCTL; | |
8765 | return systemctl_parse_argv(argc, argv); | |
8766 | } | |
8767 | ||
8768 | #if HAVE_SYSV_COMPAT | |
8769 | _pure_ static int action_to_runlevel(void) { | |
8770 | static const char table[_ACTION_MAX] = { | |
8771 | [ACTION_HALT] = '0', | |
8772 | [ACTION_POWEROFF] = '0', | |
8773 | [ACTION_REBOOT] = '6', | |
8774 | [ACTION_RUNLEVEL2] = '2', | |
8775 | [ACTION_RUNLEVEL3] = '3', | |
8776 | [ACTION_RUNLEVEL4] = '4', | |
8777 | [ACTION_RUNLEVEL5] = '5', | |
8778 | [ACTION_RESCUE] = '1' | |
8779 | }; | |
8780 | ||
8781 | assert(arg_action >= 0 && arg_action < _ACTION_MAX); | |
8782 | return table[arg_action]; | |
8783 | } | |
8784 | #endif | |
8785 | ||
8786 | static int systemctl_main(int argc, char *argv[]) { | |
8787 | static const Verb verbs[] = { | |
8788 | { "list-units", VERB_ANY, VERB_ANY, VERB_DEFAULT|VERB_ONLINE_ONLY, list_units }, | |
8789 | { "list-unit-files", VERB_ANY, VERB_ANY, 0, list_unit_files }, | |
8790 | { "list-sockets", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_sockets }, | |
8791 | { "list-timers", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_timers }, | |
8792 | { "list-jobs", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, list_jobs }, | |
8793 | { "list-machines", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY|VERB_MUST_BE_ROOT, list_machines }, | |
8794 | { "clear-jobs", VERB_ANY, 1, VERB_ONLINE_ONLY, trivial_method }, | |
8795 | { "cancel", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, cancel_job }, | |
8796 | { "start", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8797 | { "stop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8798 | { "condstop", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */ | |
8799 | { "reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8800 | { "restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8801 | { "try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8802 | { "reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8803 | { "reload-or-try-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatbility with old systemctl <= 228 */ | |
8804 | { "try-reload-or-restart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, | |
8805 | { "force-reload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with SysV */ | |
8806 | { "condreload", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with ALTLinux */ | |
8807 | { "condrestart", 2, VERB_ANY, VERB_ONLINE_ONLY, start_unit }, /* For compatibility with RH */ | |
8808 | { "isolate", 2, 2, VERB_ONLINE_ONLY, start_unit }, | |
8809 | { "kill", 2, VERB_ANY, VERB_ONLINE_ONLY, kill_unit }, | |
8810 | { "is-active", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, | |
8811 | { "check", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_active }, /* deprecated alias of is-active */ | |
8812 | { "is-failed", 2, VERB_ANY, VERB_ONLINE_ONLY, check_unit_failed }, | |
8813 | { "show", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, | |
8814 | { "cat", 2, VERB_ANY, VERB_ONLINE_ONLY, cat }, | |
8815 | { "status", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, | |
8816 | { "help", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, show }, | |
8817 | { "daemon-reload", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload }, | |
8818 | { "daemon-reexec", VERB_ANY, 1, VERB_ONLINE_ONLY, daemon_reload }, | |
8819 | { "show-environment", VERB_ANY, 1, VERB_ONLINE_ONLY, show_environment }, | |
8820 | { "set-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment }, | |
8821 | { "unset-environment", 2, VERB_ANY, VERB_ONLINE_ONLY, set_environment }, | |
8822 | { "import-environment", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, import_environment }, | |
8823 | { "halt", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8824 | { "poweroff", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8825 | { "reboot", VERB_ANY, 2, VERB_ONLINE_ONLY, start_system_special }, | |
8826 | { "kexec", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8827 | { "suspend", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8828 | { "hibernate", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8829 | { "hybrid-sleep", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8830 | { "suspend-then-hibernate",VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8831 | { "default", VERB_ANY, 1, VERB_ONLINE_ONLY, start_special }, | |
8832 | { "rescue", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8833 | { "emergency", VERB_ANY, 1, VERB_ONLINE_ONLY, start_system_special }, | |
8834 | { "exit", VERB_ANY, 2, VERB_ONLINE_ONLY, start_special }, | |
8835 | { "reset-failed", VERB_ANY, VERB_ANY, VERB_ONLINE_ONLY, reset_failed }, | |
8836 | { "enable", 2, VERB_ANY, 0, enable_unit }, | |
8837 | { "disable", 2, VERB_ANY, 0, enable_unit }, | |
8838 | { "is-enabled", 2, VERB_ANY, 0, unit_is_enabled }, | |
8839 | { "reenable", 2, VERB_ANY, 0, enable_unit }, | |
8840 | { "preset", 2, VERB_ANY, 0, enable_unit }, | |
8841 | { "preset-all", VERB_ANY, 1, 0, preset_all }, | |
8842 | { "mask", 2, VERB_ANY, 0, enable_unit }, | |
8843 | { "unmask", 2, VERB_ANY, 0, enable_unit }, | |
8844 | { "link", 2, VERB_ANY, 0, enable_unit }, | |
8845 | { "revert", 2, VERB_ANY, 0, enable_unit }, | |
8846 | { "switch-root", 2, VERB_ANY, VERB_ONLINE_ONLY, switch_root }, | |
8847 | { "list-dependencies", VERB_ANY, 2, VERB_ONLINE_ONLY, list_dependencies }, | |
8848 | { "set-default", 2, 2, 0, set_default }, | |
8849 | { "get-default", VERB_ANY, 1, 0, get_default }, | |
8850 | { "set-property", 3, VERB_ANY, VERB_ONLINE_ONLY, set_property }, | |
8851 | { "is-system-running", VERB_ANY, 1, 0, is_system_running }, | |
8852 | { "add-wants", 3, VERB_ANY, 0, add_dependency }, | |
8853 | { "add-requires", 3, VERB_ANY, 0, add_dependency }, | |
8854 | { "edit", 2, VERB_ANY, VERB_ONLINE_ONLY, edit }, | |
8855 | {} | |
8856 | }; | |
8857 | ||
8858 | return dispatch_verb(argc, argv, verbs, NULL); | |
8859 | } | |
8860 | ||
8861 | static int reload_with_fallback(void) { | |
8862 | /* First, try systemd via D-Bus. */ | |
8863 | if (daemon_reload(0, NULL, NULL) >= 0) | |
8864 | return 0; | |
8865 | ||
8866 | /* Nothing else worked, so let's try signals */ | |
8867 | assert(IN_SET(arg_action, ACTION_RELOAD, ACTION_REEXEC)); | |
8868 | ||
8869 | if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) | |
8870 | return log_error_errno(errno, "kill() failed: %m"); | |
8871 | ||
8872 | return 0; | |
8873 | } | |
8874 | ||
8875 | static int start_with_fallback(void) { | |
8876 | /* First, try systemd via D-Bus. */ | |
8877 | if (start_unit(0, NULL, NULL) == 0) | |
8878 | return 0; | |
8879 | ||
8880 | #if HAVE_SYSV_COMPAT | |
8881 | /* Nothing else worked, so let's try /dev/initctl */ | |
8882 | if (talk_initctl(action_to_runlevel()) > 0) | |
8883 | return 0; | |
8884 | #endif | |
8885 | ||
8886 | return log_error_errno(SYNTHETIC_ERRNO(EIO), | |
8887 | "Failed to talk to init daemon."); | |
8888 | } | |
8889 | ||
8890 | static int halt_now(enum action a) { | |
8891 | /* The kernel will automatically flush ATA disks and suchlike on reboot(), but the file systems need to be | |
8892 | * synced explicitly in advance. */ | |
8893 | if (!arg_no_sync && !arg_dry_run) | |
8894 | (void) sync(); | |
8895 | ||
8896 | /* Make sure C-A-D is handled by the kernel from this point on... */ | |
8897 | if (!arg_dry_run) | |
8898 | (void) reboot(RB_ENABLE_CAD); | |
8899 | ||
8900 | switch (a) { | |
8901 | ||
8902 | case ACTION_HALT: | |
8903 | if (!arg_quiet) | |
8904 | log_info("Halting."); | |
8905 | if (arg_dry_run) | |
8906 | return 0; | |
8907 | (void) reboot(RB_HALT_SYSTEM); | |
8908 | return -errno; | |
8909 | ||
8910 | case ACTION_POWEROFF: | |
8911 | if (!arg_quiet) | |
8912 | log_info("Powering off."); | |
8913 | if (arg_dry_run) | |
8914 | return 0; | |
8915 | (void) reboot(RB_POWER_OFF); | |
8916 | return -errno; | |
8917 | ||
8918 | case ACTION_KEXEC: | |
8919 | case ACTION_REBOOT: | |
8920 | return reboot_with_parameter(REBOOT_FALLBACK | | |
8921 | (arg_quiet ? 0 : REBOOT_LOG) | | |
8922 | (arg_dry_run ? REBOOT_DRY_RUN : 0)); | |
8923 | ||
8924 | default: | |
8925 | assert_not_reached("Unknown action."); | |
8926 | } | |
8927 | } | |
8928 | ||
8929 | static int logind_schedule_shutdown(void) { | |
8930 | ||
8931 | #if ENABLE_LOGIND | |
8932 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
8933 | char date[FORMAT_TIMESTAMP_MAX]; | |
8934 | const char *action; | |
8935 | sd_bus *bus; | |
8936 | int r; | |
8937 | ||
8938 | r = acquire_bus(BUS_FULL, &bus); | |
8939 | if (r < 0) | |
8940 | return r; | |
8941 | ||
8942 | switch (arg_action) { | |
8943 | case ACTION_HALT: | |
8944 | action = "halt"; | |
8945 | break; | |
8946 | case ACTION_POWEROFF: | |
8947 | action = "poweroff"; | |
8948 | break; | |
8949 | case ACTION_KEXEC: | |
8950 | action = "kexec"; | |
8951 | break; | |
8952 | case ACTION_EXIT: | |
8953 | action = "exit"; | |
8954 | break; | |
8955 | case ACTION_REBOOT: | |
8956 | default: | |
8957 | action = "reboot"; | |
8958 | break; | |
8959 | } | |
8960 | ||
8961 | if (arg_dry_run) | |
8962 | action = strjoina("dry-", action); | |
8963 | ||
8964 | (void) logind_set_wall_message(); | |
8965 | ||
8966 | r = sd_bus_call_method( | |
8967 | bus, | |
8968 | "org.freedesktop.login1", | |
8969 | "/org/freedesktop/login1", | |
8970 | "org.freedesktop.login1.Manager", | |
8971 | "ScheduleShutdown", | |
8972 | &error, | |
8973 | NULL, | |
8974 | "st", | |
8975 | action, | |
8976 | arg_when); | |
8977 | if (r < 0) | |
8978 | return log_warning_errno(r, "Failed to call ScheduleShutdown in logind, proceeding with immediate shutdown: %s", bus_error_message(&error, r)); | |
8979 | ||
8980 | if (!arg_quiet) | |
8981 | log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.", format_timestamp(date, sizeof(date), arg_when)); | |
8982 | return 0; | |
8983 | #else | |
8984 | return log_error_errno(SYNTHETIC_ERRNO(ENOSYS), | |
8985 | "Cannot schedule shutdown without logind support, proceeding with immediate shutdown."); | |
8986 | #endif | |
8987 | } | |
8988 | ||
8989 | static int halt_main(void) { | |
8990 | int r; | |
8991 | ||
8992 | r = logind_check_inhibitors(arg_action); | |
8993 | if (r < 0) | |
8994 | return r; | |
8995 | ||
8996 | /* Delayed shutdown requested, and was successful */ | |
8997 | if (arg_when > 0 && logind_schedule_shutdown() == 0) | |
8998 | return 0; | |
8999 | /* no delay, or logind failed or is not at all available */ | |
9000 | ||
9001 | if (geteuid() != 0) { | |
9002 | if (arg_dry_run || arg_force > 0) { | |
9003 | (void) must_be_root(); | |
9004 | return -EPERM; | |
9005 | } | |
9006 | ||
9007 | /* Try logind if we are a normal user and no special | |
9008 | * mode applies. Maybe polkit allows us to shutdown | |
9009 | * the machine. */ | |
9010 | if (IN_SET(arg_action, ACTION_POWEROFF, ACTION_REBOOT, ACTION_HALT)) { | |
9011 | r = logind_reboot(arg_action); | |
9012 | if (r >= 0) | |
9013 | return r; | |
9014 | if (IN_SET(r, -EOPNOTSUPP, -EINPROGRESS)) | |
9015 | /* requested operation is not | |
9016 | * supported on the local system or | |
9017 | * already in progress */ | |
9018 | return r; | |
9019 | /* on all other errors, try low-level operation */ | |
9020 | } | |
9021 | } | |
9022 | ||
9023 | /* In order to minimize the difference between operation with and | |
9024 | * without logind, we explicitly enable non-blocking mode for this, | |
9025 | * as logind's shutdown operations are always non-blocking. */ | |
9026 | arg_no_block = true; | |
9027 | ||
9028 | if (!arg_dry_run && !arg_force) | |
9029 | return start_with_fallback(); | |
9030 | ||
9031 | assert(geteuid() == 0); | |
9032 | ||
9033 | if (!arg_no_wtmp) { | |
9034 | if (sd_booted() > 0) | |
9035 | log_debug("Not writing utmp record, assuming that systemd-update-utmp is used."); | |
9036 | else { | |
9037 | r = utmp_put_shutdown(); | |
9038 | if (r < 0) | |
9039 | log_warning_errno(r, "Failed to write utmp record: %m"); | |
9040 | } | |
9041 | } | |
9042 | ||
9043 | if (arg_dry_run) | |
9044 | return 0; | |
9045 | ||
9046 | r = halt_now(arg_action); | |
9047 | return log_error_errno(r, "Failed to reboot: %m"); | |
9048 | } | |
9049 | ||
9050 | static int runlevel_main(void) { | |
9051 | int r, runlevel, previous; | |
9052 | ||
9053 | r = utmp_get_runlevel(&runlevel, &previous); | |
9054 | if (r < 0) { | |
9055 | puts("unknown"); | |
9056 | return r; | |
9057 | } | |
9058 | ||
9059 | printf("%c %c\n", | |
9060 | previous <= 0 ? 'N' : previous, | |
9061 | runlevel <= 0 ? 'N' : runlevel); | |
9062 | ||
9063 | return 0; | |
9064 | } | |
9065 | ||
9066 | static int logind_cancel_shutdown(void) { | |
9067 | #if ENABLE_LOGIND | |
9068 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
9069 | sd_bus *bus; | |
9070 | int r; | |
9071 | ||
9072 | r = acquire_bus(BUS_FULL, &bus); | |
9073 | if (r < 0) | |
9074 | return r; | |
9075 | ||
9076 | (void) logind_set_wall_message(); | |
9077 | ||
9078 | r = sd_bus_call_method( | |
9079 | bus, | |
9080 | "org.freedesktop.login1", | |
9081 | "/org/freedesktop/login1", | |
9082 | "org.freedesktop.login1.Manager", | |
9083 | "CancelScheduledShutdown", | |
9084 | &error, | |
9085 | NULL, NULL); | |
9086 | if (r < 0) | |
9087 | return log_warning_errno(r, "Failed to talk to logind, shutdown hasn't been cancelled: %s", bus_error_message(&error, r)); | |
9088 | ||
9089 | return 0; | |
9090 | #else | |
9091 | return log_error_errno(SYNTHETIC_ERRNO(ENOSYS), | |
9092 | "Not compiled with logind support, cannot cancel scheduled shutdowns."); | |
9093 | #endif | |
9094 | } | |
9095 | ||
9096 | static int run(int argc, char *argv[]) { | |
9097 | int r; | |
9098 | ||
9099 | setlocale(LC_ALL, ""); | |
9100 | log_parse_environment(); | |
9101 | log_open(); | |
9102 | ||
9103 | /* The journal merging logic potentially needs a lot of fds. */ | |
9104 | (void) rlimit_nofile_bump(HIGH_RLIMIT_NOFILE); | |
9105 | ||
9106 | sigbus_install(); | |
9107 | ||
9108 | /* Explicitly not on_tty() to avoid setting cached value. | |
9109 | * This becomes relevant for piping output which might be | |
9110 | * ellipsized. */ | |
9111 | original_stdout_is_tty = isatty(STDOUT_FILENO); | |
9112 | ||
9113 | r = parse_argv(argc, argv); | |
9114 | if (r <= 0) | |
9115 | goto finish; | |
9116 | ||
9117 | if (arg_action != ACTION_SYSTEMCTL && running_in_chroot() > 0) { | |
9118 | if (!arg_quiet) | |
9119 | log_info("Running in chroot, ignoring request."); | |
9120 | r = 0; | |
9121 | goto finish; | |
9122 | } | |
9123 | ||
9124 | /* systemctl_main() will print an error message for the bus | |
9125 | * connection, but only if it needs to */ | |
9126 | ||
9127 | switch (arg_action) { | |
9128 | ||
9129 | case ACTION_SYSTEMCTL: | |
9130 | r = systemctl_main(argc, argv); | |
9131 | break; | |
9132 | ||
9133 | /* Legacy command aliases set arg_action. They provide some fallbacks, | |
9134 | * e.g. to tell sysvinit to reboot after you have installed systemd | |
9135 | * binaries. */ | |
9136 | ||
9137 | case ACTION_HALT: | |
9138 | case ACTION_POWEROFF: | |
9139 | case ACTION_REBOOT: | |
9140 | case ACTION_KEXEC: | |
9141 | r = halt_main(); | |
9142 | break; | |
9143 | ||
9144 | case ACTION_RUNLEVEL2: | |
9145 | case ACTION_RUNLEVEL3: | |
9146 | case ACTION_RUNLEVEL4: | |
9147 | case ACTION_RUNLEVEL5: | |
9148 | case ACTION_RESCUE: | |
9149 | r = start_with_fallback(); | |
9150 | break; | |
9151 | ||
9152 | case ACTION_RELOAD: | |
9153 | case ACTION_REEXEC: | |
9154 | r = reload_with_fallback(); | |
9155 | break; | |
9156 | ||
9157 | case ACTION_CANCEL_SHUTDOWN: | |
9158 | r = logind_cancel_shutdown(); | |
9159 | break; | |
9160 | ||
9161 | case ACTION_RUNLEVEL: | |
9162 | r = runlevel_main(); | |
9163 | break; | |
9164 | ||
9165 | case ACTION_EXIT: | |
9166 | case ACTION_SUSPEND: | |
9167 | case ACTION_HIBERNATE: | |
9168 | case ACTION_HYBRID_SLEEP: | |
9169 | case ACTION_SUSPEND_THEN_HIBERNATE: | |
9170 | case ACTION_EMERGENCY: | |
9171 | case ACTION_DEFAULT: | |
9172 | /* systemctl verbs with no equivalent in the legacy commands. | |
9173 | * These cannot appear in arg_action. Fall through. */ | |
9174 | ||
9175 | case _ACTION_INVALID: | |
9176 | default: | |
9177 | assert_not_reached("Unknown action"); | |
9178 | } | |
9179 | ||
9180 | finish: | |
9181 | release_busses(); | |
9182 | ||
9183 | /* Note that we return r here, not 0, so that we can implement the LSB-like return codes */ | |
9184 | return r; | |
9185 | } | |
9186 | ||
9187 | DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE(run); |