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7e4249b9 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
e4b61340 | 22 | #include <sys/reboot.h> |
7e4249b9 LP |
23 | #include <stdio.h> |
24 | #include <getopt.h> | |
25 | #include <stdbool.h> | |
26 | #include <string.h> | |
27 | #include <errno.h> | |
28 | #include <sys/ioctl.h> | |
29 | #include <termios.h> | |
30 | #include <unistd.h> | |
eb22ac37 | 31 | #include <fcntl.h> |
f1c5860b | 32 | #include <sys/socket.h> |
7e4249b9 LP |
33 | |
34 | #include <dbus/dbus.h> | |
35 | ||
36 | #include "log.h" | |
37 | #include "util.h" | |
38 | #include "macro.h" | |
39 | #include "set.h" | |
e4b61340 | 40 | #include "utmp-wtmp.h" |
514f4ef5 | 41 | #include "special.h" |
eb22ac37 | 42 | #include "initreq.h" |
e4a9373f | 43 | #include "strv.h" |
9a1ac7b9 | 44 | #include "dbus-common.h" |
ab35fb1b | 45 | #include "cgroup-show.h" |
c6c18be3 | 46 | #include "cgroup-util.h" |
582a507f | 47 | #include "list.h" |
7e4249b9 LP |
48 | |
49 | static const char *arg_type = NULL; | |
48220598 | 50 | static const char *arg_property = NULL; |
7e4249b9 | 51 | static bool arg_all = false; |
90d473a1 | 52 | static bool arg_fail = false; |
7e4249b9 | 53 | static bool arg_session = false; |
6e905d93 | 54 | static bool arg_no_block = false; |
e4b61340 LP |
55 | static bool arg_immediate = false; |
56 | static bool arg_no_wtmp = false; | |
57 | static bool arg_no_sync = false; | |
514f4ef5 | 58 | static bool arg_no_wall = false; |
e4b61340 | 59 | static bool arg_dry = false; |
0183528f | 60 | static bool arg_quiet = false; |
8fe914ec | 61 | static char arg_full = false; |
e4b61340 | 62 | static char **arg_wall = NULL; |
4445a875 | 63 | static enum action { |
e4b61340 LP |
64 | ACTION_INVALID, |
65 | ACTION_SYSTEMCTL, | |
66 | ACTION_HALT, | |
67 | ACTION_POWEROFF, | |
68 | ACTION_REBOOT, | |
e4b61340 LP |
69 | ACTION_RUNLEVEL2, |
70 | ACTION_RUNLEVEL3, | |
71 | ACTION_RUNLEVEL4, | |
72 | ACTION_RUNLEVEL5, | |
73 | ACTION_RESCUE, | |
514f4ef5 LP |
74 | ACTION_EMERGENCY, |
75 | ACTION_DEFAULT, | |
e4b61340 LP |
76 | ACTION_RELOAD, |
77 | ACTION_REEXEC, | |
78 | ACTION_RUNLEVEL, | |
79 | _ACTION_MAX | |
80 | } arg_action = ACTION_SYSTEMCTL; | |
4445a875 LP |
81 | static enum dot { |
82 | DOT_ALL, | |
83 | DOT_ORDER, | |
84 | DOT_REQUIRE | |
85 | } arg_dot = DOT_ALL; | |
e4b61340 | 86 | |
f4579ce7 LP |
87 | static bool private_bus = false; |
88 | ||
2cc59dbf LP |
89 | static const char *ansi_highlight(bool b) { |
90 | static int t = -1; | |
91 | ||
92 | if (_unlikely_(t < 0)) | |
93 | t = isatty(STDOUT_FILENO) > 0; | |
94 | ||
95 | if (!t) | |
96 | return ""; | |
97 | ||
98 | return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF; | |
99 | } | |
100 | ||
e4b61340 LP |
101 | static bool error_is_no_service(DBusError *error) { |
102 | ||
514f4ef5 LP |
103 | assert(error); |
104 | ||
e4b61340 LP |
105 | if (!dbus_error_is_set(error)) |
106 | return false; | |
107 | ||
108 | if (dbus_error_has_name(error, DBUS_ERROR_NAME_HAS_NO_OWNER)) | |
109 | return true; | |
110 | ||
111 | if (dbus_error_has_name(error, DBUS_ERROR_SERVICE_UNKNOWN)) | |
112 | return true; | |
113 | ||
114 | return startswith(error->name, "org.freedesktop.DBus.Error.Spawn."); | |
115 | } | |
7e4249b9 LP |
116 | |
117 | static int bus_iter_get_basic_and_next(DBusMessageIter *iter, int type, void *data, bool next) { | |
118 | ||
514f4ef5 LP |
119 | assert(iter); |
120 | assert(data); | |
121 | ||
7e4249b9 LP |
122 | if (dbus_message_iter_get_arg_type(iter) != type) |
123 | return -EIO; | |
124 | ||
125 | dbus_message_iter_get_basic(iter, data); | |
126 | ||
127 | if (!dbus_message_iter_next(iter) != !next) | |
128 | return -EIO; | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
514f4ef5 | 133 | static void warn_wall(enum action action) { |
ef2f1067 | 134 | static const char *table[_ACTION_MAX] = { |
514f4ef5 LP |
135 | [ACTION_HALT] = "The system is going down for system halt NOW!", |
136 | [ACTION_REBOOT] = "The system is going down for reboot NOW!", | |
137 | [ACTION_POWEROFF] = "The system is going down for power-off NOW!", | |
138 | [ACTION_RESCUE] = "The system is going down to rescue mode NOW!", | |
139 | [ACTION_EMERGENCY] = "The system is going down to emergency mode NOW!" | |
ef2f1067 LP |
140 | }; |
141 | ||
514f4ef5 LP |
142 | if (arg_no_wall) |
143 | return; | |
144 | ||
e4a9373f LP |
145 | if (arg_wall) { |
146 | char *p; | |
147 | ||
148 | if (!(p = strv_join(arg_wall, " "))) { | |
149 | log_error("Failed to join strings."); | |
150 | return; | |
151 | } | |
152 | ||
153 | if (*p) { | |
154 | utmp_wall(p); | |
155 | free(p); | |
156 | return; | |
157 | } | |
158 | ||
159 | free(p); | |
160 | } | |
161 | ||
514f4ef5 | 162 | if (!table[action]) |
ef2f1067 LP |
163 | return; |
164 | ||
514f4ef5 | 165 | utmp_wall(table[action]); |
ef2f1067 LP |
166 | } |
167 | ||
7e4249b9 LP |
168 | static int list_units(DBusConnection *bus, char **args, unsigned n) { |
169 | DBusMessage *m = NULL, *reply = NULL; | |
170 | DBusError error; | |
171 | int r; | |
172 | DBusMessageIter iter, sub, sub2; | |
173 | unsigned k = 0; | |
174 | ||
175 | dbus_error_init(&error); | |
176 | ||
514f4ef5 LP |
177 | assert(bus); |
178 | ||
7e4249b9 LP |
179 | if (!(m = dbus_message_new_method_call( |
180 | "org.freedesktop.systemd1", | |
181 | "/org/freedesktop/systemd1", | |
182 | "org.freedesktop.systemd1.Manager", | |
183 | "ListUnits"))) { | |
184 | log_error("Could not allocate message."); | |
185 | return -ENOMEM; | |
186 | } | |
187 | ||
188 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
189 | log_error("Failed to issue method call: %s", error.message); | |
190 | r = -EIO; | |
191 | goto finish; | |
192 | } | |
193 | ||
194 | if (!dbus_message_iter_init(reply, &iter) || | |
195 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
196 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { | |
197 | log_error("Failed to parse reply."); | |
198 | r = -EIO; | |
199 | goto finish; | |
200 | } | |
201 | ||
202 | dbus_message_iter_recurse(&iter, &sub); | |
203 | ||
d0642824 LP |
204 | if (isatty(STDOUT_FILENO)) |
205 | printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION"); | |
7e4249b9 LP |
206 | |
207 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
8fe914ec | 208 | const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path, *job_type, *job_path, *dot; |
7e4249b9 LP |
209 | uint32_t job_id; |
210 | ||
211 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { | |
212 | log_error("Failed to parse reply."); | |
213 | r = -EIO; | |
214 | goto finish; | |
215 | } | |
216 | ||
217 | dbus_message_iter_recurse(&sub, &sub2); | |
218 | ||
219 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 || | |
220 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 || | |
221 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 || | |
222 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 || | |
223 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 || | |
8fe914ec | 224 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 || |
4445a875 | 225 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0 || |
7e4249b9 LP |
226 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 || |
227 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 || | |
228 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) { | |
229 | log_error("Failed to parse reply."); | |
230 | r = -EIO; | |
231 | goto finish; | |
232 | } | |
233 | ||
234 | if ((!arg_type || ((dot = strrchr(id, '.')) && | |
235 | streq(dot+1, arg_type))) && | |
8fe914ec LP |
236 | (arg_all || !(streq(active_state, "inactive") || following[0]) || job_id > 0)) { |
237 | char *e; | |
7e4249b9 LP |
238 | int a = 0, b = 0; |
239 | ||
e0376b17 | 240 | if (streq(active_state, "maintenance")) |
2cc59dbf | 241 | fputs(ansi_highlight(true), stdout); |
e0376b17 | 242 | |
8fe914ec LP |
243 | e = arg_full ? NULL : ellipsize(id, 45, 33); |
244 | printf("%-45s %-6s %-12s %-12s%n", e ? e : id, load_state, active_state, sub_state, &a); | |
245 | free(e); | |
7e4249b9 LP |
246 | |
247 | if (job_id != 0) | |
0ff3dea7 | 248 | printf(" => %-12s%n", job_type, &b); |
7e4249b9 | 249 | else |
e0376b17 | 250 | b = 1 + 15; |
7e4249b9 LP |
251 | |
252 | if (a + b + 2 < columns()) { | |
253 | if (job_id == 0) | |
254 | printf(" "); | |
255 | ||
e0376b17 | 256 | printf(" %.*s", columns() - a - b - 2, description); |
7e4249b9 LP |
257 | } |
258 | ||
e0376b17 | 259 | if (streq(active_state, "maintenance")) |
2cc59dbf | 260 | fputs(ansi_highlight(false), stdout); |
e0376b17 | 261 | |
7e4249b9 LP |
262 | fputs("\n", stdout); |
263 | k++; | |
264 | } | |
265 | ||
266 | dbus_message_iter_next(&sub); | |
267 | } | |
268 | ||
d0642824 | 269 | if (isatty(STDOUT_FILENO)) { |
0ff3dea7 | 270 | |
d0642824 LP |
271 | printf("\nLOAD = Load State, reflects whether the unit configuration was properly loaded.\n" |
272 | "ACTIVE = Active State, the high-level unit activation state, i.e. generalization of the substate.\n" | |
273 | "SUB = Substate, the low-level unit activation state, possible values depend on unit type.\n" | |
274 | "JOB = Job, shows pending jobs for the unit.\n"); | |
275 | ||
276 | if (arg_all) | |
277 | printf("\n%u units listed.\n", k); | |
278 | else | |
279 | printf("\n%u units listed. Pass --all to see inactive units, too.\n", k); | |
280 | } | |
4445a875 LP |
281 | |
282 | r = 0; | |
283 | ||
284 | finish: | |
285 | if (m) | |
286 | dbus_message_unref(m); | |
287 | ||
288 | if (reply) | |
289 | dbus_message_unref(reply); | |
290 | ||
291 | dbus_error_free(&error); | |
292 | ||
293 | return r; | |
294 | } | |
295 | ||
296 | static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) { | |
297 | static const char * const colors[] = { | |
298 | "Requires", "[color=\"black\"]", | |
299 | "RequiresOverridable", "[color=\"black\"]", | |
300 | "Requisite", "[color=\"darkblue\"]", | |
301 | "RequisiteOverridable", "[color=\"darkblue\"]", | |
302 | "Wants", "[color=\"darkgrey\"]", | |
303 | "Conflicts", "[color=\"red\"]", | |
304 | "After", "[color=\"green\"]" | |
305 | }; | |
306 | ||
307 | const char *c = NULL; | |
308 | unsigned i; | |
309 | ||
310 | assert(name); | |
311 | assert(prop); | |
312 | assert(iter); | |
313 | ||
314 | for (i = 0; i < ELEMENTSOF(colors); i += 2) | |
315 | if (streq(colors[i], prop)) { | |
316 | c = colors[i+1]; | |
317 | break; | |
318 | } | |
319 | ||
320 | if (!c) | |
321 | return 0; | |
322 | ||
323 | if (arg_dot != DOT_ALL) | |
324 | if ((arg_dot == DOT_ORDER) != streq(prop, "After")) | |
325 | return 0; | |
326 | ||
327 | switch (dbus_message_iter_get_arg_type(iter)) { | |
328 | ||
329 | case DBUS_TYPE_ARRAY: | |
330 | ||
331 | if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) { | |
332 | DBusMessageIter sub; | |
333 | ||
334 | dbus_message_iter_recurse(iter, &sub); | |
335 | ||
336 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
337 | const char *s; | |
338 | ||
339 | assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); | |
340 | dbus_message_iter_get_basic(&sub, &s); | |
341 | printf("\t\"%s\"->\"%s\" %s;\n", name, s, c); | |
342 | ||
343 | dbus_message_iter_next(&sub); | |
344 | } | |
345 | ||
346 | return 0; | |
347 | } | |
348 | } | |
349 | ||
350 | return 0; | |
351 | } | |
352 | ||
353 | static int dot_one(DBusConnection *bus, const char *name, const char *path) { | |
354 | DBusMessage *m = NULL, *reply = NULL; | |
355 | const char *interface = "org.freedesktop.systemd1.Unit"; | |
356 | int r; | |
357 | DBusError error; | |
358 | DBusMessageIter iter, sub, sub2, sub3; | |
359 | ||
360 | assert(bus); | |
361 | assert(path); | |
362 | ||
363 | dbus_error_init(&error); | |
364 | ||
365 | if (!(m = dbus_message_new_method_call( | |
366 | "org.freedesktop.systemd1", | |
367 | path, | |
368 | "org.freedesktop.DBus.Properties", | |
369 | "GetAll"))) { | |
370 | log_error("Could not allocate message."); | |
371 | r = -ENOMEM; | |
372 | goto finish; | |
373 | } | |
374 | ||
375 | if (!dbus_message_append_args(m, | |
376 | DBUS_TYPE_STRING, &interface, | |
377 | DBUS_TYPE_INVALID)) { | |
378 | log_error("Could not append arguments to message."); | |
379 | r = -ENOMEM; | |
380 | goto finish; | |
381 | } | |
382 | ||
383 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
384 | log_error("Failed to issue method call: %s", error.message); | |
385 | r = -EIO; | |
386 | goto finish; | |
387 | } | |
388 | ||
389 | if (!dbus_message_iter_init(reply, &iter) || | |
390 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
391 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) { | |
392 | log_error("Failed to parse reply."); | |
393 | r = -EIO; | |
394 | goto finish; | |
395 | } | |
396 | ||
397 | dbus_message_iter_recurse(&iter, &sub); | |
398 | ||
399 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
400 | const char *prop; | |
401 | ||
402 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) { | |
403 | log_error("Failed to parse reply."); | |
404 | r = -EIO; | |
405 | goto finish; | |
406 | } | |
407 | ||
408 | dbus_message_iter_recurse(&sub, &sub2); | |
409 | ||
410 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) { | |
411 | log_error("Failed to parse reply."); | |
412 | r = -EIO; | |
413 | goto finish; | |
414 | } | |
415 | ||
416 | if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) { | |
417 | log_error("Failed to parse reply."); | |
418 | r = -EIO; | |
419 | goto finish; | |
420 | } | |
421 | ||
422 | dbus_message_iter_recurse(&sub2, &sub3); | |
423 | ||
424 | if (dot_one_property(name, prop, &sub3)) { | |
425 | log_error("Failed to parse reply."); | |
426 | r = -EIO; | |
427 | goto finish; | |
428 | } | |
429 | ||
430 | dbus_message_iter_next(&sub); | |
431 | } | |
432 | ||
433 | finish: | |
434 | if (m) | |
435 | dbus_message_unref(m); | |
436 | ||
437 | if (reply) | |
438 | dbus_message_unref(reply); | |
439 | ||
440 | dbus_error_free(&error); | |
441 | ||
442 | return r; | |
443 | } | |
444 | ||
445 | static int dot(DBusConnection *bus, char **args, unsigned n) { | |
446 | DBusMessage *m = NULL, *reply = NULL; | |
447 | DBusError error; | |
448 | int r; | |
449 | DBusMessageIter iter, sub, sub2; | |
450 | ||
451 | dbus_error_init(&error); | |
452 | ||
453 | assert(bus); | |
454 | ||
455 | if (!(m = dbus_message_new_method_call( | |
456 | "org.freedesktop.systemd1", | |
457 | "/org/freedesktop/systemd1", | |
458 | "org.freedesktop.systemd1.Manager", | |
459 | "ListUnits"))) { | |
460 | log_error("Could not allocate message."); | |
461 | return -ENOMEM; | |
462 | } | |
463 | ||
464 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
465 | log_error("Failed to issue method call: %s", error.message); | |
466 | r = -EIO; | |
467 | goto finish; | |
468 | } | |
469 | ||
470 | if (!dbus_message_iter_init(reply, &iter) || | |
471 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
472 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { | |
473 | log_error("Failed to parse reply."); | |
474 | r = -EIO; | |
475 | goto finish; | |
476 | } | |
477 | ||
478 | printf("digraph systemd {\n"); | |
479 | ||
480 | dbus_message_iter_recurse(&iter, &sub); | |
481 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
482 | const char *id, *description, *load_state, *active_state, *sub_state, *unit_path; | |
483 | ||
484 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { | |
485 | log_error("Failed to parse reply."); | |
486 | r = -EIO; | |
487 | goto finish; | |
488 | } | |
489 | ||
490 | dbus_message_iter_recurse(&sub, &sub2); | |
491 | ||
492 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 || | |
493 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 || | |
494 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 || | |
495 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 || | |
496 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 || | |
497 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) { | |
498 | log_error("Failed to parse reply."); | |
499 | r = -EIO; | |
500 | goto finish; | |
501 | } | |
502 | ||
503 | if ((r = dot_one(bus, id, unit_path)) < 0) | |
504 | goto finish; | |
505 | ||
506 | /* printf("\t\"%s\";\n", id); */ | |
507 | dbus_message_iter_next(&sub); | |
508 | } | |
509 | ||
510 | printf("}\n"); | |
511 | ||
512 | log_info(" Color legend: black = Requires\n" | |
513 | " dark blue = Requisite\n" | |
514 | " dark grey = Wants\n" | |
515 | " red = Conflicts\n" | |
516 | " green = After\n"); | |
517 | ||
518 | if (isatty(fileno(stdout))) | |
519 | log_notice("-- You probably want to process this output with graphviz' dot tool.\n" | |
520 | "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n"); | |
7e4249b9 LP |
521 | |
522 | r = 0; | |
523 | ||
524 | finish: | |
525 | if (m) | |
526 | dbus_message_unref(m); | |
527 | ||
528 | if (reply) | |
529 | dbus_message_unref(reply); | |
530 | ||
531 | dbus_error_free(&error); | |
532 | ||
533 | return r; | |
534 | } | |
535 | ||
536 | static int list_jobs(DBusConnection *bus, char **args, unsigned n) { | |
537 | DBusMessage *m = NULL, *reply = NULL; | |
538 | DBusError error; | |
539 | int r; | |
540 | DBusMessageIter iter, sub, sub2; | |
541 | unsigned k = 0; | |
542 | ||
543 | dbus_error_init(&error); | |
544 | ||
514f4ef5 LP |
545 | assert(bus); |
546 | ||
7e4249b9 LP |
547 | if (!(m = dbus_message_new_method_call( |
548 | "org.freedesktop.systemd1", | |
549 | "/org/freedesktop/systemd1", | |
550 | "org.freedesktop.systemd1.Manager", | |
551 | "ListJobs"))) { | |
552 | log_error("Could not allocate message."); | |
553 | return -ENOMEM; | |
554 | } | |
555 | ||
556 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
557 | log_error("Failed to issue method call: %s", error.message); | |
558 | r = -EIO; | |
559 | goto finish; | |
560 | } | |
561 | ||
562 | if (!dbus_message_iter_init(reply, &iter) || | |
563 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
564 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) { | |
565 | log_error("Failed to parse reply."); | |
566 | r = -EIO; | |
567 | goto finish; | |
568 | } | |
569 | ||
570 | dbus_message_iter_recurse(&iter, &sub); | |
571 | ||
572 | printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE"); | |
573 | ||
574 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
575 | const char *name, *type, *state, *job_path, *unit_path; | |
576 | uint32_t id; | |
8fe914ec | 577 | char *e; |
7e4249b9 LP |
578 | |
579 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) { | |
580 | log_error("Failed to parse reply."); | |
581 | r = -EIO; | |
582 | goto finish; | |
583 | } | |
584 | ||
585 | dbus_message_iter_recurse(&sub, &sub2); | |
586 | ||
587 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 || | |
588 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 || | |
589 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 || | |
590 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 || | |
591 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 || | |
592 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) { | |
593 | log_error("Failed to parse reply."); | |
594 | r = -EIO; | |
595 | goto finish; | |
596 | } | |
597 | ||
8fe914ec LP |
598 | e = arg_full ? NULL : ellipsize(name, 45, 33); |
599 | printf("%4u %-45s %-17s %-7s\n", id, e ? e : name, type, state); | |
600 | free(e); | |
601 | ||
7e4249b9 LP |
602 | k++; |
603 | ||
604 | dbus_message_iter_next(&sub); | |
605 | } | |
606 | ||
607 | printf("\n%u jobs listed.\n", k); | |
608 | r = 0; | |
609 | ||
610 | finish: | |
611 | if (m) | |
612 | dbus_message_unref(m); | |
613 | ||
614 | if (reply) | |
615 | dbus_message_unref(reply); | |
616 | ||
617 | dbus_error_free(&error); | |
618 | ||
619 | return r; | |
620 | } | |
621 | ||
622 | static int load_unit(DBusConnection *bus, char **args, unsigned n) { | |
623 | DBusMessage *m = NULL, *reply = NULL; | |
624 | DBusError error; | |
625 | int r; | |
626 | unsigned i; | |
627 | ||
628 | dbus_error_init(&error); | |
629 | ||
514f4ef5 LP |
630 | assert(bus); |
631 | assert(args); | |
632 | ||
7e4249b9 LP |
633 | for (i = 1; i < n; i++) { |
634 | ||
635 | if (!(m = dbus_message_new_method_call( | |
636 | "org.freedesktop.systemd1", | |
637 | "/org/freedesktop/systemd1", | |
638 | "org.freedesktop.systemd1.Manager", | |
639 | "LoadUnit"))) { | |
640 | log_error("Could not allocate message."); | |
641 | r = -ENOMEM; | |
642 | goto finish; | |
643 | } | |
644 | ||
645 | if (!dbus_message_append_args(m, | |
646 | DBUS_TYPE_STRING, &args[i], | |
647 | DBUS_TYPE_INVALID)) { | |
648 | log_error("Could not append arguments to message."); | |
649 | r = -ENOMEM; | |
650 | goto finish; | |
651 | } | |
652 | ||
653 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
654 | log_error("Failed to issue method call: %s", error.message); | |
655 | r = -EIO; | |
656 | goto finish; | |
657 | } | |
658 | ||
659 | dbus_message_unref(m); | |
660 | dbus_message_unref(reply); | |
661 | ||
662 | m = reply = NULL; | |
663 | } | |
664 | ||
665 | r = 0; | |
666 | ||
667 | finish: | |
668 | if (m) | |
669 | dbus_message_unref(m); | |
670 | ||
671 | if (reply) | |
672 | dbus_message_unref(reply); | |
673 | ||
674 | dbus_error_free(&error); | |
675 | ||
676 | return r; | |
677 | } | |
678 | ||
679 | static int cancel_job(DBusConnection *bus, char **args, unsigned n) { | |
680 | DBusMessage *m = NULL, *reply = NULL; | |
681 | DBusError error; | |
682 | int r; | |
683 | unsigned i; | |
684 | ||
685 | dbus_error_init(&error); | |
686 | ||
514f4ef5 LP |
687 | assert(bus); |
688 | assert(args); | |
689 | ||
7e4249b9 LP |
690 | for (i = 1; i < n; i++) { |
691 | unsigned id; | |
692 | const char *path; | |
693 | ||
694 | if (!(m = dbus_message_new_method_call( | |
695 | "org.freedesktop.systemd1", | |
696 | "/org/freedesktop/systemd1", | |
697 | "org.freedesktop.systemd1.Manager", | |
698 | "GetJob"))) { | |
699 | log_error("Could not allocate message."); | |
700 | r = -ENOMEM; | |
701 | goto finish; | |
702 | } | |
703 | ||
704 | if ((r = safe_atou(args[i], &id)) < 0) { | |
705 | log_error("Failed to parse job id: %s", strerror(-r)); | |
706 | goto finish; | |
707 | } | |
708 | ||
709 | assert_cc(sizeof(uint32_t) == sizeof(id)); | |
710 | if (!dbus_message_append_args(m, | |
711 | DBUS_TYPE_UINT32, &id, | |
712 | DBUS_TYPE_INVALID)) { | |
713 | log_error("Could not append arguments to message."); | |
714 | r = -ENOMEM; | |
715 | goto finish; | |
716 | } | |
717 | ||
718 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
719 | log_error("Failed to issue method call: %s", error.message); | |
720 | r = -EIO; | |
721 | goto finish; | |
722 | } | |
723 | ||
724 | if (!dbus_message_get_args(reply, &error, | |
725 | DBUS_TYPE_OBJECT_PATH, &path, | |
726 | DBUS_TYPE_INVALID)) { | |
727 | log_error("Failed to parse reply: %s", error.message); | |
728 | r = -EIO; | |
729 | goto finish; | |
730 | } | |
731 | ||
732 | dbus_message_unref(m); | |
733 | if (!(m = dbus_message_new_method_call( | |
734 | "org.freedesktop.systemd1", | |
735 | path, | |
736 | "org.freedesktop.systemd1.Job", | |
737 | "Cancel"))) { | |
738 | log_error("Could not allocate message."); | |
739 | r = -ENOMEM; | |
740 | goto finish; | |
741 | } | |
742 | ||
743 | dbus_message_unref(reply); | |
744 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
745 | log_error("Failed to issue method call: %s", error.message); | |
746 | r = -EIO; | |
747 | goto finish; | |
748 | } | |
749 | ||
750 | dbus_message_unref(m); | |
751 | dbus_message_unref(reply); | |
752 | m = reply = NULL; | |
753 | } | |
754 | ||
755 | r = 0; | |
756 | ||
757 | finish: | |
758 | if (m) | |
759 | dbus_message_unref(m); | |
760 | ||
761 | if (reply) | |
762 | dbus_message_unref(reply); | |
763 | ||
764 | dbus_error_free(&error); | |
765 | ||
766 | return r; | |
767 | } | |
768 | ||
45fb0699 LP |
769 | static bool unit_need_daemon_reload(DBusConnection *bus, const char *unit) { |
770 | DBusMessage *m, *reply; | |
771 | dbus_bool_t b = FALSE; | |
772 | DBusMessageIter iter, sub; | |
773 | const char | |
774 | *interface = "org.freedesktop.systemd1.Unit", | |
775 | *property = "NeedDaemonReload", | |
776 | *path; | |
777 | ||
778 | /* We ignore all errors here, since this is used to show a warning only */ | |
779 | ||
780 | if (!(m = dbus_message_new_method_call( | |
781 | "org.freedesktop.systemd1", | |
782 | "/org/freedesktop/systemd1", | |
783 | "org.freedesktop.systemd1.Manager", | |
784 | "GetUnit"))) | |
785 | goto finish; | |
786 | ||
787 | if (!dbus_message_append_args(m, | |
788 | DBUS_TYPE_STRING, &unit, | |
789 | DBUS_TYPE_INVALID)) | |
790 | goto finish; | |
791 | ||
792 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL))) | |
793 | goto finish; | |
794 | ||
795 | if (!dbus_message_get_args(reply, NULL, | |
796 | DBUS_TYPE_OBJECT_PATH, &path, | |
797 | DBUS_TYPE_INVALID)) | |
798 | goto finish; | |
799 | ||
800 | dbus_message_unref(m); | |
801 | if (!(m = dbus_message_new_method_call( | |
802 | "org.freedesktop.systemd1", | |
803 | path, | |
804 | "org.freedesktop.DBus.Properties", | |
805 | "Get"))) | |
806 | goto finish; | |
807 | ||
808 | if (!dbus_message_append_args(m, | |
809 | DBUS_TYPE_STRING, &interface, | |
810 | DBUS_TYPE_STRING, &property, | |
811 | DBUS_TYPE_INVALID)) { | |
812 | goto finish; | |
813 | } | |
814 | ||
815 | dbus_message_unref(reply); | |
816 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL))) | |
817 | goto finish; | |
818 | ||
819 | if (!dbus_message_iter_init(reply, &iter) || | |
820 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) | |
821 | goto finish; | |
822 | ||
823 | dbus_message_iter_recurse(&iter, &sub); | |
824 | ||
825 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN) | |
826 | goto finish; | |
827 | ||
828 | dbus_message_iter_get_basic(&sub, &b); | |
829 | ||
830 | finish: | |
831 | if (m) | |
832 | dbus_message_unref(m); | |
833 | ||
834 | if (reply) | |
835 | dbus_message_unref(reply); | |
836 | ||
837 | return b; | |
838 | } | |
839 | ||
5e374895 LP |
840 | typedef struct WaitData { |
841 | Set *set; | |
842 | bool failed; | |
843 | } WaitData; | |
844 | ||
7e4249b9 LP |
845 | static DBusHandlerResult wait_filter(DBusConnection *connection, DBusMessage *message, void *data) { |
846 | DBusError error; | |
5e374895 | 847 | WaitData *d = data; |
7e4249b9 LP |
848 | |
849 | assert(connection); | |
850 | assert(message); | |
5e374895 | 851 | assert(d); |
7e4249b9 LP |
852 | |
853 | dbus_error_init(&error); | |
854 | ||
54165a39 LP |
855 | log_debug("Got D-Bus request: %s.%s() on %s", |
856 | dbus_message_get_interface(message), | |
857 | dbus_message_get_member(message), | |
858 | dbus_message_get_path(message)); | |
7e4249b9 LP |
859 | |
860 | if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) { | |
861 | log_error("Warning! D-Bus connection terminated."); | |
862 | dbus_connection_close(connection); | |
863 | ||
864 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { | |
865 | uint32_t id; | |
866 | const char *path; | |
5e374895 | 867 | dbus_bool_t success = true; |
7e4249b9 LP |
868 | |
869 | if (!dbus_message_get_args(message, &error, | |
870 | DBUS_TYPE_UINT32, &id, | |
871 | DBUS_TYPE_OBJECT_PATH, &path, | |
5e374895 | 872 | DBUS_TYPE_BOOLEAN, &success, |
7e4249b9 LP |
873 | DBUS_TYPE_INVALID)) |
874 | log_error("Failed to parse message: %s", error.message); | |
875 | else { | |
876 | char *p; | |
877 | ||
5e374895 | 878 | if ((p = set_remove(d->set, (char*) path))) |
7e4249b9 | 879 | free(p); |
5e374895 LP |
880 | |
881 | if (!success) | |
882 | d->failed = true; | |
7e4249b9 LP |
883 | } |
884 | } | |
885 | ||
886 | dbus_error_free(&error); | |
887 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
888 | } | |
889 | ||
479ef5d3 | 890 | static int enable_wait_for_jobs(DBusConnection *bus) { |
7e4249b9 | 891 | DBusError error; |
7e4249b9 LP |
892 | |
893 | assert(bus); | |
7e4249b9 | 894 | |
f4579ce7 LP |
895 | if (private_bus) |
896 | return 0; | |
897 | ||
7e4249b9 | 898 | dbus_error_init(&error); |
7e4249b9 LP |
899 | dbus_bus_add_match(bus, |
900 | "type='signal'," | |
901 | "sender='org.freedesktop.systemd1'," | |
902 | "interface='org.freedesktop.systemd1.Manager'," | |
903 | "member='JobRemoved'," | |
904 | "path='/org/freedesktop/systemd1'", | |
905 | &error); | |
906 | ||
907 | if (dbus_error_is_set(&error)) { | |
908 | log_error("Failed to add match: %s", error.message); | |
a567261a LP |
909 | dbus_error_free(&error); |
910 | return -EIO; | |
7e4249b9 LP |
911 | } |
912 | ||
479ef5d3 | 913 | /* This is slightly dirty, since we don't undo the match registrations. */ |
a567261a | 914 | return 0; |
7e4249b9 LP |
915 | } |
916 | ||
479ef5d3 LP |
917 | static int wait_for_jobs(DBusConnection *bus, Set *s) { |
918 | int r; | |
5e374895 | 919 | WaitData d; |
479ef5d3 LP |
920 | |
921 | assert(bus); | |
922 | assert(s); | |
923 | ||
5e374895 LP |
924 | zero(d); |
925 | d.set = s; | |
926 | d.failed = false; | |
927 | ||
928 | if (!dbus_connection_add_filter(bus, wait_filter, &d, NULL)) { | |
479ef5d3 LP |
929 | log_error("Failed to add filter."); |
930 | r = -ENOMEM; | |
931 | goto finish; | |
932 | } | |
933 | ||
934 | while (!set_isempty(s) && | |
935 | dbus_connection_read_write_dispatch(bus, -1)) | |
936 | ; | |
937 | ||
5e374895 LP |
938 | if (!arg_quiet && d.failed) |
939 | log_error("Job failed, see logs for details."); | |
940 | ||
941 | r = d.failed ? -EIO : 0; | |
479ef5d3 LP |
942 | |
943 | finish: | |
944 | /* This is slightly dirty, since we don't undo the filter registration. */ | |
945 | ||
946 | return r; | |
947 | } | |
948 | ||
e4b61340 LP |
949 | static int start_unit_one( |
950 | DBusConnection *bus, | |
951 | const char *method, | |
952 | const char *name, | |
953 | const char *mode, | |
954 | Set *s) { | |
7e4249b9 | 955 | |
7e4249b9 LP |
956 | DBusMessage *m = NULL, *reply = NULL; |
957 | DBusError error; | |
45fb0699 | 958 | const char *path; |
7e4249b9 | 959 | int r; |
7e4249b9 | 960 | |
e4b61340 LP |
961 | assert(bus); |
962 | assert(method); | |
963 | assert(name); | |
964 | assert(mode); | |
6e905d93 | 965 | assert(arg_no_block || s); |
7e4249b9 | 966 | |
e4b61340 | 967 | dbus_error_init(&error); |
479ef5d3 | 968 | |
7e4249b9 LP |
969 | if (!(m = dbus_message_new_method_call( |
970 | "org.freedesktop.systemd1", | |
971 | "/org/freedesktop/systemd1", | |
972 | "org.freedesktop.systemd1.Manager", | |
e4b61340 | 973 | method))) { |
7e4249b9 LP |
974 | log_error("Could not allocate message."); |
975 | r = -ENOMEM; | |
976 | goto finish; | |
977 | } | |
978 | ||
979 | if (!dbus_message_append_args(m, | |
e4b61340 | 980 | DBUS_TYPE_STRING, &name, |
7e4249b9 LP |
981 | DBUS_TYPE_STRING, &mode, |
982 | DBUS_TYPE_INVALID)) { | |
983 | log_error("Could not append arguments to message."); | |
984 | r = -ENOMEM; | |
985 | goto finish; | |
986 | } | |
987 | ||
988 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
e4b61340 LP |
989 | |
990 | if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) { | |
991 | /* There's always a fallback possible for | |
992 | * legacy actions. */ | |
993 | r = 0; | |
994 | goto finish; | |
995 | } | |
996 | ||
7e4249b9 LP |
997 | log_error("Failed to issue method call: %s", error.message); |
998 | r = -EIO; | |
999 | goto finish; | |
1000 | } | |
1001 | ||
45fb0699 LP |
1002 | if (!dbus_message_get_args(reply, &error, |
1003 | DBUS_TYPE_OBJECT_PATH, &path, | |
1004 | DBUS_TYPE_INVALID)) { | |
1005 | log_error("Failed to parse reply: %s", error.message); | |
1006 | r = -EIO; | |
1007 | goto finish; | |
1008 | } | |
1009 | ||
1010 | if (unit_need_daemon_reload(bus, name)) | |
1011 | log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.", | |
1012 | arg_session ? "--session" : "--system"); | |
1013 | ||
6e905d93 | 1014 | if (!arg_no_block) { |
e4b61340 | 1015 | char *p; |
7e4249b9 | 1016 | |
7e4249b9 LP |
1017 | if (!(p = strdup(path))) { |
1018 | log_error("Failed to duplicate path."); | |
1019 | r = -ENOMEM; | |
1020 | goto finish; | |
1021 | } | |
1022 | ||
1023 | if ((r = set_put(s, p)) < 0) { | |
e4b61340 | 1024 | free(p); |
7e4249b9 LP |
1025 | log_error("Failed to add path to set."); |
1026 | goto finish; | |
1027 | } | |
e4b61340 | 1028 | } |
7e4249b9 | 1029 | |
e4b61340 | 1030 | r = 1; |
7e4249b9 LP |
1031 | |
1032 | finish: | |
7e4249b9 LP |
1033 | if (m) |
1034 | dbus_message_unref(m); | |
1035 | ||
1036 | if (reply) | |
1037 | dbus_message_unref(reply); | |
1038 | ||
1039 | dbus_error_free(&error); | |
1040 | ||
1041 | return r; | |
1042 | } | |
1043 | ||
514f4ef5 LP |
1044 | static enum action verb_to_action(const char *verb) { |
1045 | if (streq(verb, "halt")) | |
1046 | return ACTION_HALT; | |
1047 | else if (streq(verb, "poweroff")) | |
1048 | return ACTION_POWEROFF; | |
1049 | else if (streq(verb, "reboot")) | |
1050 | return ACTION_REBOOT; | |
1051 | else if (streq(verb, "rescue")) | |
1052 | return ACTION_RESCUE; | |
1053 | else if (streq(verb, "emergency")) | |
1054 | return ACTION_EMERGENCY; | |
1055 | else if (streq(verb, "default")) | |
1056 | return ACTION_DEFAULT; | |
1057 | else | |
1058 | return ACTION_INVALID; | |
1059 | } | |
1060 | ||
e4b61340 LP |
1061 | static int start_unit(DBusConnection *bus, char **args, unsigned n) { |
1062 | ||
1063 | static const char * const table[_ACTION_MAX] = { | |
514f4ef5 LP |
1064 | [ACTION_HALT] = SPECIAL_HALT_TARGET, |
1065 | [ACTION_POWEROFF] = SPECIAL_POWEROFF_TARGET, | |
1066 | [ACTION_REBOOT] = SPECIAL_REBOOT_TARGET, | |
1067 | [ACTION_RUNLEVEL2] = SPECIAL_RUNLEVEL2_TARGET, | |
1068 | [ACTION_RUNLEVEL3] = SPECIAL_RUNLEVEL3_TARGET, | |
1069 | [ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET, | |
1070 | [ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET, | |
1071 | [ACTION_RESCUE] = SPECIAL_RESCUE_TARGET, | |
f057408c | 1072 | [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET, |
514f4ef5 | 1073 | [ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET |
e4b61340 LP |
1074 | }; |
1075 | ||
1076 | int r; | |
1077 | unsigned i; | |
514f4ef5 | 1078 | const char *method, *mode, *one_name; |
e4b61340 LP |
1079 | Set *s = NULL; |
1080 | ||
514f4ef5 LP |
1081 | assert(bus); |
1082 | ||
e4b61340 LP |
1083 | if (arg_action == ACTION_SYSTEMCTL) { |
1084 | method = | |
6f28c033 LP |
1085 | streq(args[0], "stop") ? "StopUnit" : |
1086 | streq(args[0], "reload") ? "ReloadUnit" : | |
1087 | streq(args[0], "restart") ? "RestartUnit" : | |
1088 | streq(args[0], "try-restart") ? "TryRestartUnit" : | |
1089 | streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" : | |
1090 | streq(args[0], "reload-or-try-restart") ? "ReloadOrTryRestartUnit" : | |
1091 | "StartUnit"; | |
e4b61340 LP |
1092 | |
1093 | mode = | |
514f4ef5 LP |
1094 | (streq(args[0], "isolate") || |
1095 | streq(args[0], "rescue") || | |
1096 | streq(args[0], "emergency")) ? "isolate" : | |
90d473a1 LP |
1097 | arg_fail ? "fail" : |
1098 | "replace"; | |
e4b61340 | 1099 | |
514f4ef5 | 1100 | one_name = table[verb_to_action(args[0])]; |
e4b61340 | 1101 | |
e4b61340 LP |
1102 | } else { |
1103 | assert(arg_action < ELEMENTSOF(table)); | |
1104 | assert(table[arg_action]); | |
1105 | ||
1106 | method = "StartUnit"; | |
514f4ef5 LP |
1107 | |
1108 | mode = (arg_action == ACTION_EMERGENCY || | |
1109 | arg_action == ACTION_RESCUE) ? "isolate" : "replace"; | |
1110 | ||
1111 | one_name = table[arg_action]; | |
1112 | } | |
1113 | ||
6e905d93 | 1114 | if (!arg_no_block) { |
514f4ef5 LP |
1115 | if ((r = enable_wait_for_jobs(bus)) < 0) { |
1116 | log_error("Could not watch jobs: %s", strerror(-r)); | |
1117 | goto finish; | |
1118 | } | |
1119 | ||
1120 | if (!(s = set_new(string_hash_func, string_compare_func))) { | |
1121 | log_error("Failed to allocate set."); | |
1122 | r = -ENOMEM; | |
1123 | goto finish; | |
1124 | } | |
e4b61340 LP |
1125 | } |
1126 | ||
1127 | r = 0; | |
1128 | ||
514f4ef5 LP |
1129 | if (one_name) { |
1130 | if ((r = start_unit_one(bus, method, one_name, mode, s)) <= 0) | |
1131 | goto finish; | |
1132 | } else { | |
e4b61340 LP |
1133 | for (i = 1; i < n; i++) |
1134 | if ((r = start_unit_one(bus, method, args[i], mode, s)) < 0) | |
1135 | goto finish; | |
e4b61340 LP |
1136 | } |
1137 | ||
6e905d93 | 1138 | if (!arg_no_block) |
514f4ef5 LP |
1139 | r = wait_for_jobs(bus, s); |
1140 | ||
e4b61340 LP |
1141 | finish: |
1142 | if (s) | |
1143 | set_free_free(s); | |
1144 | ||
1145 | return r; | |
1146 | } | |
1147 | ||
514f4ef5 | 1148 | static int start_special(DBusConnection *bus, char **args, unsigned n) { |
983d9c90 LP |
1149 | int r; |
1150 | ||
514f4ef5 LP |
1151 | assert(bus); |
1152 | assert(args); | |
1153 | ||
983d9c90 LP |
1154 | r = start_unit(bus, args, n); |
1155 | ||
1156 | if (r >= 0) | |
1157 | warn_wall(verb_to_action(args[0])); | |
514f4ef5 | 1158 | |
983d9c90 | 1159 | return r; |
514f4ef5 LP |
1160 | } |
1161 | ||
0183528f LP |
1162 | static int check_unit(DBusConnection *bus, char **args, unsigned n) { |
1163 | DBusMessage *m = NULL, *reply = NULL; | |
1164 | const char | |
1165 | *interface = "org.freedesktop.systemd1.Unit", | |
1166 | *property = "ActiveState"; | |
1167 | int r = -EADDRNOTAVAIL; | |
1168 | DBusError error; | |
1169 | unsigned i; | |
1170 | ||
1171 | assert(bus); | |
1172 | assert(args); | |
1173 | ||
1174 | dbus_error_init(&error); | |
1175 | ||
1176 | for (i = 1; i < n; i++) { | |
1177 | const char *path = NULL; | |
1178 | const char *state; | |
1179 | DBusMessageIter iter, sub; | |
1180 | ||
1181 | if (!(m = dbus_message_new_method_call( | |
1182 | "org.freedesktop.systemd1", | |
1183 | "/org/freedesktop/systemd1", | |
1184 | "org.freedesktop.systemd1.Manager", | |
1185 | "GetUnit"))) { | |
1186 | log_error("Could not allocate message."); | |
1187 | r = -ENOMEM; | |
1188 | goto finish; | |
1189 | } | |
1190 | ||
1191 | if (!dbus_message_append_args(m, | |
1192 | DBUS_TYPE_STRING, &args[i], | |
1193 | DBUS_TYPE_INVALID)) { | |
1194 | log_error("Could not append arguments to message."); | |
1195 | r = -ENOMEM; | |
1196 | goto finish; | |
1197 | } | |
1198 | ||
1199 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
1200 | ||
1201 | /* Hmm, cannot figure out anything about this unit... */ | |
1202 | if (!arg_quiet) | |
1203 | puts("unknown"); | |
1204 | ||
ed2d7a44 | 1205 | dbus_error_free(&error); |
0183528f LP |
1206 | continue; |
1207 | } | |
1208 | ||
1209 | if (!dbus_message_get_args(reply, &error, | |
1210 | DBUS_TYPE_OBJECT_PATH, &path, | |
1211 | DBUS_TYPE_INVALID)) { | |
1212 | log_error("Failed to parse reply: %s", error.message); | |
1213 | r = -EIO; | |
1214 | goto finish; | |
1215 | } | |
1216 | ||
1217 | dbus_message_unref(m); | |
1218 | if (!(m = dbus_message_new_method_call( | |
1219 | "org.freedesktop.systemd1", | |
1220 | path, | |
1221 | "org.freedesktop.DBus.Properties", | |
1222 | "Get"))) { | |
1223 | log_error("Could not allocate message."); | |
1224 | r = -ENOMEM; | |
1225 | goto finish; | |
1226 | } | |
1227 | ||
1228 | if (!dbus_message_append_args(m, | |
1229 | DBUS_TYPE_STRING, &interface, | |
1230 | DBUS_TYPE_STRING, &property, | |
1231 | DBUS_TYPE_INVALID)) { | |
1232 | log_error("Could not append arguments to message."); | |
1233 | r = -ENOMEM; | |
1234 | goto finish; | |
1235 | } | |
1236 | ||
1237 | dbus_message_unref(reply); | |
1238 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
1239 | log_error("Failed to issue method call: %s", error.message); | |
1240 | r = -EIO; | |
1241 | goto finish; | |
1242 | } | |
1243 | ||
1244 | if (!dbus_message_iter_init(reply, &iter) || | |
1245 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { | |
1246 | log_error("Failed to parse reply."); | |
1247 | r = -EIO; | |
1248 | goto finish; | |
1249 | } | |
1250 | ||
1251 | dbus_message_iter_recurse(&iter, &sub); | |
1252 | ||
1253 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { | |
1254 | log_error("Failed to parse reply."); | |
1255 | r = -EIO; | |
1256 | goto finish; | |
1257 | } | |
1258 | ||
1259 | dbus_message_iter_get_basic(&sub, &state); | |
1260 | ||
1261 | if (!arg_quiet) | |
1262 | puts(state); | |
1263 | ||
01b1b079 | 1264 | if (streq(state, "active") || startswith(state, "reloading")) |
0183528f LP |
1265 | r = 0; |
1266 | ||
1267 | dbus_message_unref(m); | |
1268 | dbus_message_unref(reply); | |
1269 | m = reply = NULL; | |
1270 | } | |
1271 | ||
1272 | finish: | |
1273 | if (m) | |
1274 | dbus_message_unref(m); | |
1275 | ||
1276 | if (reply) | |
1277 | dbus_message_unref(reply); | |
1278 | ||
1279 | dbus_error_free(&error); | |
1280 | ||
1281 | return r; | |
48220598 LP |
1282 | } |
1283 | ||
582a507f LP |
1284 | typedef struct ExecStatusInfo { |
1285 | char *path; | |
1286 | char **argv; | |
1287 | ||
b708e7ce LP |
1288 | bool ignore; |
1289 | ||
582a507f LP |
1290 | usec_t start_timestamp; |
1291 | usec_t exit_timestamp; | |
1292 | pid_t pid; | |
1293 | int code; | |
1294 | int status; | |
1295 | ||
1296 | LIST_FIELDS(struct ExecStatusInfo, exec); | |
1297 | } ExecStatusInfo; | |
1298 | ||
1299 | static void exec_status_info_free(ExecStatusInfo *i) { | |
1300 | assert(i); | |
1301 | ||
1302 | free(i->path); | |
1303 | strv_free(i->argv); | |
1304 | free(i); | |
1305 | } | |
1306 | ||
1307 | static int exec_status_info_deserialize(DBusMessageIter *sub, ExecStatusInfo *i) { | |
1308 | uint64_t start_timestamp, exit_timestamp; | |
1309 | DBusMessageIter sub2, sub3; | |
1310 | const char*path; | |
1311 | unsigned n; | |
1312 | uint32_t pid; | |
1313 | int32_t code, status; | |
b708e7ce | 1314 | dbus_bool_t ignore; |
582a507f LP |
1315 | |
1316 | assert(i); | |
1317 | assert(i); | |
1318 | ||
1319 | if (dbus_message_iter_get_arg_type(sub) != DBUS_TYPE_STRUCT) | |
1320 | return -EIO; | |
1321 | ||
1322 | dbus_message_iter_recurse(sub, &sub2); | |
1323 | ||
1324 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0) | |
1325 | return -EIO; | |
1326 | ||
1327 | if (!(i->path = strdup(path))) | |
1328 | return -ENOMEM; | |
1329 | ||
1330 | if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_ARRAY || | |
1331 | dbus_message_iter_get_element_type(&sub2) != DBUS_TYPE_STRING) | |
1332 | return -EIO; | |
1333 | ||
1334 | n = 0; | |
1335 | dbus_message_iter_recurse(&sub2, &sub3); | |
1336 | while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) { | |
1337 | assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING); | |
1338 | dbus_message_iter_next(&sub3); | |
1339 | n++; | |
1340 | } | |
1341 | ||
1342 | ||
1343 | if (!(i->argv = new0(char*, n+1))) | |
1344 | return -ENOMEM; | |
1345 | ||
1346 | n = 0; | |
1347 | dbus_message_iter_recurse(&sub2, &sub3); | |
1348 | while (dbus_message_iter_get_arg_type(&sub3) != DBUS_TYPE_INVALID) { | |
1349 | const char *s; | |
1350 | ||
1351 | assert(dbus_message_iter_get_arg_type(&sub3) == DBUS_TYPE_STRING); | |
1352 | dbus_message_iter_get_basic(&sub3, &s); | |
1353 | dbus_message_iter_next(&sub3); | |
1354 | ||
1355 | if (!(i->argv[n++] = strdup(s))) | |
1356 | return -ENOMEM; | |
1357 | } | |
1358 | ||
1359 | if (!dbus_message_iter_next(&sub2) || | |
b708e7ce | 1360 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 || |
582a507f LP |
1361 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 || |
1362 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 || | |
1363 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 || | |
1364 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &code, true) < 0 || | |
1365 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0) | |
1366 | return -EIO; | |
1367 | ||
b708e7ce | 1368 | i->ignore = ignore; |
582a507f LP |
1369 | i->start_timestamp = (usec_t) start_timestamp; |
1370 | i->exit_timestamp = (usec_t) exit_timestamp; | |
1371 | i->pid = (pid_t) pid; | |
1372 | i->code = code; | |
1373 | i->status = status; | |
1374 | ||
1375 | return 0; | |
1376 | } | |
1377 | ||
61cbdc4b LP |
1378 | typedef struct UnitStatusInfo { |
1379 | const char *id; | |
1380 | const char *load_state; | |
1381 | const char *active_state; | |
1382 | const char *sub_state; | |
1383 | ||
1384 | const char *description; | |
1385 | ||
1386 | const char *fragment_path; | |
1387 | const char *default_control_group; | |
1388 | ||
45fb0699 LP |
1389 | bool need_daemon_reload; |
1390 | ||
61cbdc4b LP |
1391 | /* Service */ |
1392 | pid_t main_pid; | |
1393 | pid_t control_pid; | |
1394 | const char *status_text; | |
1395 | bool running; | |
1396 | ||
1397 | usec_t start_timestamp; | |
1398 | usec_t exit_timestamp; | |
1399 | ||
1400 | int exit_code, exit_status; | |
1401 | ||
1402 | /* Socket */ | |
1403 | unsigned n_accepted; | |
1404 | unsigned n_connections; | |
b8131a87 | 1405 | bool accept; |
61cbdc4b LP |
1406 | |
1407 | /* Device */ | |
1408 | const char *sysfs_path; | |
1409 | ||
1410 | /* Mount, Automount */ | |
1411 | const char *where; | |
1412 | ||
1413 | /* Swap */ | |
1414 | const char *what; | |
582a507f LP |
1415 | |
1416 | LIST_HEAD(ExecStatusInfo, exec); | |
61cbdc4b LP |
1417 | } UnitStatusInfo; |
1418 | ||
1419 | static void print_status_info(UnitStatusInfo *i) { | |
582a507f LP |
1420 | ExecStatusInfo *p; |
1421 | ||
61cbdc4b LP |
1422 | assert(i); |
1423 | ||
1424 | /* This shows pretty information about a unit. See | |
1425 | * print_property() for a low-level property printer */ | |
1426 | ||
1427 | printf("%s", strna(i->id)); | |
1428 | ||
1429 | if (i->description && !streq_ptr(i->id, i->description)) | |
1430 | printf(" - %s", i->description); | |
1431 | ||
1432 | printf("\n"); | |
1433 | ||
1434 | if (i->fragment_path) | |
1435 | printf("\t Loaded: %s (%s)\n", strna(i->load_state), i->fragment_path); | |
1436 | else if (streq_ptr(i->load_state, "failed")) | |
2cc59dbf LP |
1437 | printf("\t Loaded: %s%s%s\n", |
1438 | ansi_highlight(true), | |
1439 | strna(i->load_state), | |
1440 | ansi_highlight(false)); | |
61cbdc4b LP |
1441 | else |
1442 | printf("\t Loaded: %s\n", strna(i->load_state)); | |
1443 | ||
582a507f LP |
1444 | if (streq_ptr(i->active_state, "maintenance")) { |
1445 | if (streq_ptr(i->active_state, i->sub_state)) | |
2cc59dbf LP |
1446 | printf("\t Active: %s%s%s\n", |
1447 | ansi_highlight(true), | |
1448 | strna(i->active_state), | |
1449 | ansi_highlight(false)); | |
582a507f | 1450 | else |
2cc59dbf LP |
1451 | printf("\t Active: %s%s (%s)%s\n", |
1452 | ansi_highlight(true), | |
582a507f | 1453 | strna(i->active_state), |
2cc59dbf LP |
1454 | strna(i->sub_state), |
1455 | ansi_highlight(false)); | |
582a507f LP |
1456 | } else { |
1457 | if (streq_ptr(i->active_state, i->sub_state)) | |
1458 | printf("\t Active: %s\n", | |
1459 | strna(i->active_state)); | |
1460 | else | |
1461 | printf("\t Active: %s (%s)\n", | |
1462 | strna(i->active_state), | |
1463 | strna(i->sub_state)); | |
1464 | } | |
61cbdc4b LP |
1465 | |
1466 | if (i->sysfs_path) | |
1467 | printf("\t Device: %s\n", i->sysfs_path); | |
1468 | else if (i->where) | |
1469 | printf("\t Where: %s\n", i->where); | |
1470 | else if (i->what) | |
1471 | printf("\t What: %s\n", i->what); | |
1472 | ||
b8131a87 | 1473 | if (i->accept) |
61cbdc4b LP |
1474 | printf("\tAccepted: %u; Connected: %u\n", i->n_accepted, i->n_connections); |
1475 | ||
582a507f LP |
1476 | LIST_FOREACH(exec, p, i->exec) { |
1477 | char *t; | |
1478 | ||
1479 | /* Only show exited processes here */ | |
1480 | if (p->code == 0) | |
1481 | continue; | |
1482 | ||
1483 | t = strv_join(p->argv, " "); | |
1484 | printf("\t Exited: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code)); | |
1485 | free(t); | |
1486 | ||
1487 | if (p->code == CLD_EXITED) | |
1488 | printf("status=%i", p->status); | |
1489 | else | |
1490 | printf("signal=%s", signal_to_string(p->status)); | |
1491 | printf(")\n"); | |
1492 | ||
1493 | if (i->main_pid == p->pid && | |
1494 | i->start_timestamp == p->start_timestamp && | |
1495 | i->exit_timestamp == p->start_timestamp) | |
1496 | /* Let's not show this twice */ | |
1497 | i->main_pid = 0; | |
1498 | ||
1499 | if (p->pid == i->control_pid) | |
1500 | i->control_pid = 0; | |
1501 | } | |
1502 | ||
61cbdc4b LP |
1503 | if (i->main_pid > 0 || i->control_pid > 0) { |
1504 | printf("\t"); | |
1505 | ||
1506 | if (i->main_pid > 0) { | |
582a507f | 1507 | printf(" Main: %u", (unsigned) i->main_pid); |
61cbdc4b LP |
1508 | |
1509 | if (i->running) { | |
1510 | char *t = NULL; | |
1511 | get_process_name(i->main_pid, &t); | |
1512 | if (t) { | |
1513 | printf(" (%s)", t); | |
1514 | free(t); | |
1515 | } | |
1516 | } else { | |
1517 | printf(" (code=%s, ", sigchld_code_to_string(i->exit_code)); | |
1518 | ||
1519 | if (i->exit_code == CLD_EXITED) | |
1520 | printf("status=%i", i->exit_status); | |
1521 | else | |
582a507f | 1522 | printf("signal=%s", signal_to_string(i->exit_status)); |
2cc59dbf | 1523 | printf(")"); } |
61cbdc4b LP |
1524 | } |
1525 | ||
1526 | if (i->main_pid > 0 && i->control_pid > 0) | |
1527 | printf(";"); | |
1528 | ||
1529 | if (i->control_pid > 0) { | |
1530 | char *t = NULL; | |
1531 | ||
1532 | printf(" Control: %u", (unsigned) i->control_pid); | |
1533 | ||
1534 | get_process_name(i->control_pid, &t); | |
1535 | if (t) { | |
1536 | printf(" (%s)", t); | |
1537 | free(t); | |
1538 | } | |
1539 | } | |
1540 | ||
1541 | printf("\n"); | |
1542 | } | |
1543 | ||
17bb7382 LP |
1544 | if (i->status_text) |
1545 | printf("\t Status: \"%s\"\n", i->status_text); | |
1546 | ||
c59760ee | 1547 | if (i->default_control_group) { |
ab35fb1b LP |
1548 | unsigned c; |
1549 | ||
61cbdc4b | 1550 | printf("\t CGroup: %s\n", i->default_control_group); |
ab35fb1b LP |
1551 | |
1552 | if ((c = columns()) > 18) | |
1553 | c -= 18; | |
1554 | else | |
1555 | c = 0; | |
1556 | ||
35d2e7ec | 1557 | show_cgroup_by_path(i->default_control_group, "\t\t ", c); |
c59760ee | 1558 | } |
45fb0699 LP |
1559 | |
1560 | if (i->need_daemon_reload) | |
2cc59dbf LP |
1561 | printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n", |
1562 | ansi_highlight(true), | |
1563 | ansi_highlight(false), | |
45fb0699 | 1564 | arg_session ? "--session" : "--system"); |
61cbdc4b LP |
1565 | } |
1566 | ||
1567 | static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) { | |
1568 | ||
1569 | switch (dbus_message_iter_get_arg_type(iter)) { | |
1570 | ||
1571 | case DBUS_TYPE_STRING: { | |
1572 | const char *s; | |
1573 | ||
1574 | dbus_message_iter_get_basic(iter, &s); | |
1575 | ||
1576 | if (s[0]) { | |
1577 | if (streq(name, "Id")) | |
1578 | i->id = s; | |
1579 | else if (streq(name, "LoadState")) | |
1580 | i->load_state = s; | |
1581 | else if (streq(name, "ActiveState")) | |
1582 | i->active_state = s; | |
1583 | else if (streq(name, "SubState")) | |
1584 | i->sub_state = s; | |
1585 | else if (streq(name, "Description")) | |
1586 | i->description = s; | |
1587 | else if (streq(name, "FragmentPath")) | |
1588 | i->fragment_path = s; | |
1589 | else if (streq(name, "DefaultControlGroup")) | |
1590 | i->default_control_group = s; | |
1591 | else if (streq(name, "StatusText")) | |
1592 | i->status_text = s; | |
1593 | else if (streq(name, "SysFSPath")) | |
1594 | i->sysfs_path = s; | |
1595 | else if (streq(name, "Where")) | |
1596 | i->where = s; | |
1597 | else if (streq(name, "What")) | |
1598 | i->what = s; | |
1599 | } | |
1600 | ||
1601 | break; | |
1602 | } | |
1603 | ||
b8131a87 LP |
1604 | case DBUS_TYPE_BOOLEAN: { |
1605 | dbus_bool_t b; | |
1606 | ||
1607 | dbus_message_iter_get_basic(iter, &b); | |
1608 | ||
1609 | if (streq(name, "Accept")) | |
1610 | i->accept = b; | |
45fb0699 LP |
1611 | else if (streq(name, "NeedDaemonReload")) |
1612 | i->need_daemon_reload = b; | |
b8131a87 LP |
1613 | |
1614 | break; | |
1615 | } | |
1616 | ||
61cbdc4b LP |
1617 | case DBUS_TYPE_UINT32: { |
1618 | uint32_t u; | |
1619 | ||
1620 | dbus_message_iter_get_basic(iter, &u); | |
1621 | ||
1622 | if (streq(name, "MainPID")) { | |
1623 | if (u > 0) { | |
1624 | i->main_pid = (pid_t) u; | |
1625 | i->running = true; | |
1626 | } | |
1627 | } else if (streq(name, "ControlPID")) | |
1628 | i->control_pid = (pid_t) u; | |
1629 | else if (streq(name, "ExecMainPID")) { | |
1630 | if (u > 0) | |
1631 | i->main_pid = (pid_t) u; | |
1632 | } else if (streq(name, "NAccepted")) | |
1633 | i->n_accepted = u; | |
1634 | else if (streq(name, "NConnections")) | |
1635 | i->n_connections = u; | |
1636 | ||
1637 | break; | |
1638 | } | |
1639 | ||
1640 | case DBUS_TYPE_INT32: { | |
1641 | int32_t j; | |
1642 | ||
1643 | dbus_message_iter_get_basic(iter, &j); | |
1644 | ||
1645 | if (streq(name, "ExecMainCode")) | |
1646 | i->exit_code = (int) j; | |
1647 | else if (streq(name, "ExecMainStatus")) | |
1648 | i->exit_status = (int) j; | |
1649 | ||
1650 | break; | |
1651 | } | |
1652 | ||
1653 | case DBUS_TYPE_UINT64: { | |
1654 | uint64_t u; | |
1655 | ||
1656 | dbus_message_iter_get_basic(iter, &u); | |
1657 | ||
1658 | if (streq(name, "ExecMainStartTimestamp")) | |
1659 | i->start_timestamp = (usec_t) u; | |
1660 | else if (streq(name, "ExecMainExitTimestamp")) | |
1661 | i->exit_timestamp = (usec_t) u; | |
1662 | ||
1663 | break; | |
1664 | } | |
582a507f LP |
1665 | |
1666 | case DBUS_TYPE_ARRAY: { | |
1667 | ||
1668 | if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && | |
1669 | startswith(name, "Exec")) { | |
1670 | DBusMessageIter sub; | |
1671 | ||
1672 | dbus_message_iter_recurse(iter, &sub); | |
1673 | while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { | |
1674 | ExecStatusInfo *info; | |
1675 | int r; | |
1676 | ||
1677 | if (!(info = new0(ExecStatusInfo, 1))) | |
1678 | return -ENOMEM; | |
1679 | ||
1680 | if ((r = exec_status_info_deserialize(&sub, info)) < 0) { | |
1681 | free(info); | |
1682 | return r; | |
1683 | } | |
1684 | ||
1685 | LIST_PREPEND(ExecStatusInfo, exec, i->exec, info); | |
1686 | ||
1687 | dbus_message_iter_next(&sub); | |
1688 | } | |
1689 | } | |
1690 | ||
1691 | break; | |
1692 | } | |
61cbdc4b LP |
1693 | } |
1694 | ||
1695 | return 0; | |
1696 | } | |
1697 | ||
48220598 LP |
1698 | static int print_property(const char *name, DBusMessageIter *iter) { |
1699 | assert(name); | |
1700 | assert(iter); | |
1701 | ||
61cbdc4b LP |
1702 | /* This is a low-level property printer, see |
1703 | * print_status_info() for the nicer output */ | |
1704 | ||
48220598 LP |
1705 | if (arg_property && !streq(name, arg_property)) |
1706 | return 0; | |
1707 | ||
1708 | switch (dbus_message_iter_get_arg_type(iter)) { | |
1709 | ||
1710 | case DBUS_TYPE_STRING: { | |
1711 | const char *s; | |
1712 | dbus_message_iter_get_basic(iter, &s); | |
1713 | ||
1714 | if (arg_all || s[0]) | |
1715 | printf("%s=%s\n", name, s); | |
1716 | ||
1717 | return 0; | |
1718 | } | |
1719 | ||
1720 | case DBUS_TYPE_BOOLEAN: { | |
1721 | dbus_bool_t b; | |
1722 | dbus_message_iter_get_basic(iter, &b); | |
1723 | printf("%s=%s\n", name, yes_no(b)); | |
1724 | ||
1725 | return 0; | |
1726 | } | |
1727 | ||
1728 | case DBUS_TYPE_UINT64: { | |
1729 | uint64_t u; | |
1730 | dbus_message_iter_get_basic(iter, &u); | |
1731 | ||
1732 | /* Yes, heuristics! But we can change this check | |
1733 | * should it turn out to not be sufficient */ | |
1734 | ||
14ad1d14 | 1735 | if (strstr(name, "Timestamp")) { |
48220598 LP |
1736 | char timestamp[FORMAT_TIMESTAMP_MAX], *t; |
1737 | ||
1738 | if ((t = format_timestamp(timestamp, sizeof(timestamp), u)) || arg_all) | |
1739 | printf("%s=%s\n", name, strempty(t)); | |
552e4331 LP |
1740 | } else if (strstr(name, "USec")) { |
1741 | char timespan[FORMAT_TIMESPAN_MAX]; | |
1742 | ||
1743 | printf("%s=%s\n", name, format_timespan(timespan, sizeof(timespan), u)); | |
48220598 LP |
1744 | } else |
1745 | printf("%s=%llu\n", name, (unsigned long long) u); | |
1746 | ||
1747 | return 0; | |
1748 | } | |
1749 | ||
1750 | case DBUS_TYPE_UINT32: { | |
1751 | uint32_t u; | |
1752 | dbus_message_iter_get_basic(iter, &u); | |
1753 | ||
5bd07073 | 1754 | if (strstr(name, "UMask") || strstr(name, "Mode")) |
48220598 LP |
1755 | printf("%s=%04o\n", name, u); |
1756 | else | |
1757 | printf("%s=%u\n", name, (unsigned) u); | |
1758 | ||
1759 | return 0; | |
1760 | } | |
1761 | ||
1762 | case DBUS_TYPE_INT32: { | |
1763 | int32_t i; | |
1764 | dbus_message_iter_get_basic(iter, &i); | |
1765 | ||
1766 | printf("%s=%i\n", name, (int) i); | |
1767 | return 0; | |
1768 | } | |
1769 | ||
1770 | case DBUS_TYPE_STRUCT: { | |
1771 | DBusMessageIter sub; | |
1772 | dbus_message_iter_recurse(iter, &sub); | |
1773 | ||
ebf57b80 | 1774 | if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "Job")) { |
48220598 LP |
1775 | uint32_t u; |
1776 | ||
1777 | dbus_message_iter_get_basic(&sub, &u); | |
1778 | ||
1779 | if (u) | |
1780 | printf("%s=%u\n", name, (unsigned) u); | |
1781 | else if (arg_all) | |
1782 | printf("%s=\n", name); | |
1783 | ||
1784 | return 0; | |
ebf57b80 | 1785 | } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Unit")) { |
48220598 LP |
1786 | const char *s; |
1787 | ||
1788 | dbus_message_iter_get_basic(&sub, &s); | |
1789 | ||
1790 | if (arg_all || s[0]) | |
1791 | printf("%s=%s\n", name, s); | |
1792 | ||
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | break; | |
1797 | } | |
1798 | ||
1799 | case DBUS_TYPE_ARRAY: | |
1800 | ||
1801 | if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) { | |
1802 | DBusMessageIter sub; | |
1803 | bool space = false; | |
1804 | ||
1805 | dbus_message_iter_recurse(iter, &sub); | |
48220598 LP |
1806 | if (arg_all || |
1807 | dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
1808 | printf("%s=", name); | |
1809 | ||
1810 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
1811 | const char *s; | |
1812 | ||
1813 | assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING); | |
1814 | dbus_message_iter_get_basic(&sub, &s); | |
1815 | printf("%s%s", space ? " " : "", s); | |
1816 | ||
1817 | space = true; | |
1818 | dbus_message_iter_next(&sub); | |
1819 | } | |
1820 | ||
1821 | puts(""); | |
1822 | } | |
1823 | ||
ebf57b80 | 1824 | return 0; |
582a507f | 1825 | |
82c121a4 LP |
1826 | } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_BYTE) { |
1827 | DBusMessageIter sub; | |
1828 | ||
1829 | dbus_message_iter_recurse(iter, &sub); | |
82c121a4 LP |
1830 | if (arg_all || |
1831 | dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
1832 | printf("%s=", name); | |
1833 | ||
1834 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { | |
1835 | uint8_t u; | |
ebf57b80 | 1836 | |
82c121a4 LP |
1837 | assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_BYTE); |
1838 | dbus_message_iter_get_basic(&sub, &u); | |
1839 | printf("%02x", u); | |
1840 | ||
1841 | dbus_message_iter_next(&sub); | |
1842 | } | |
1843 | ||
1844 | puts(""); | |
1845 | } | |
1846 | ||
1847 | return 0; | |
582a507f | 1848 | |
ebf57b80 LP |
1849 | } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Paths")) { |
1850 | DBusMessageIter sub, sub2; | |
1851 | ||
1852 | dbus_message_iter_recurse(iter, &sub); | |
ebf57b80 LP |
1853 | while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { |
1854 | const char *type, *path; | |
1855 | ||
1856 | dbus_message_iter_recurse(&sub, &sub2); | |
1857 | ||
1858 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) >= 0 && | |
1859 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, false) >= 0) | |
1860 | printf("%s=%s\n", type, path); | |
1861 | ||
1862 | dbus_message_iter_next(&sub); | |
1863 | } | |
1864 | ||
707e5e52 | 1865 | return 0; |
582a507f | 1866 | |
707e5e52 LP |
1867 | } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Timers")) { |
1868 | DBusMessageIter sub, sub2; | |
1869 | ||
1870 | dbus_message_iter_recurse(iter, &sub); | |
707e5e52 LP |
1871 | while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { |
1872 | const char *base; | |
1873 | uint64_t value, next_elapse; | |
1874 | ||
1875 | dbus_message_iter_recurse(&sub, &sub2); | |
1876 | ||
1877 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &base, true) >= 0 && | |
1878 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &value, true) >= 0 && | |
552e4331 LP |
1879 | bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &next_elapse, false) >= 0) { |
1880 | char timespan1[FORMAT_TIMESPAN_MAX], timespan2[FORMAT_TIMESPAN_MAX]; | |
1881 | ||
1882 | printf("%s={ value=%s ; next_elapse=%s }\n", | |
fe68089d | 1883 | base, |
552e4331 LP |
1884 | format_timespan(timespan1, sizeof(timespan1), value), |
1885 | format_timespan(timespan2, sizeof(timespan2), next_elapse)); | |
1886 | } | |
fe68089d LP |
1887 | |
1888 | dbus_message_iter_next(&sub); | |
1889 | } | |
1890 | ||
1891 | return 0; | |
fe68089d | 1892 | |
582a507f LP |
1893 | } else if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && startswith(name, "Exec")) { |
1894 | DBusMessageIter sub; | |
fe68089d LP |
1895 | |
1896 | dbus_message_iter_recurse(iter, &sub); | |
fe68089d | 1897 | while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) { |
582a507f | 1898 | ExecStatusInfo info; |
fe68089d | 1899 | |
582a507f LP |
1900 | zero(info); |
1901 | if (exec_status_info_deserialize(&sub, &info) >= 0) { | |
fe68089d | 1902 | char timestamp1[FORMAT_TIMESTAMP_MAX], timestamp2[FORMAT_TIMESTAMP_MAX]; |
582a507f LP |
1903 | char *t; |
1904 | ||
1905 | t = strv_join(info.argv, " "); | |
1906 | ||
b708e7ce | 1907 | printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n", |
582a507f LP |
1908 | name, |
1909 | strna(info.path), | |
1910 | strna(t), | |
b708e7ce | 1911 | yes_no(info.ignore), |
582a507f LP |
1912 | strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)), |
1913 | strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)), | |
1914 | (unsigned) info. pid, | |
1915 | sigchld_code_to_string(info.code), | |
1916 | info.status, | |
1917 | info.code == CLD_EXITED ? "" : "/", | |
1918 | strempty(info.code == CLD_EXITED ? NULL : signal_to_string(info.status))); | |
fe68089d | 1919 | |
582a507f | 1920 | free(t); |
fe68089d LP |
1921 | } |
1922 | ||
582a507f LP |
1923 | free(info.path); |
1924 | strv_free(info.argv); | |
707e5e52 LP |
1925 | |
1926 | dbus_message_iter_next(&sub); | |
1927 | } | |
1928 | ||
48220598 LP |
1929 | return 0; |
1930 | } | |
1931 | ||
1932 | break; | |
1933 | } | |
1934 | ||
1935 | if (arg_all) | |
1936 | printf("%s=[unprintable]\n", name); | |
1937 | ||
1938 | return 0; | |
1939 | } | |
1940 | ||
61cbdc4b | 1941 | static int show_one(DBusConnection *bus, const char *path, bool show_properties, bool *new_line) { |
48220598 LP |
1942 | DBusMessage *m = NULL, *reply = NULL; |
1943 | const char *interface = ""; | |
1944 | int r; | |
1945 | DBusError error; | |
1946 | DBusMessageIter iter, sub, sub2, sub3; | |
61cbdc4b | 1947 | UnitStatusInfo info; |
582a507f | 1948 | ExecStatusInfo *p; |
48220598 LP |
1949 | |
1950 | assert(bus); | |
1951 | assert(path); | |
61cbdc4b | 1952 | assert(new_line); |
48220598 | 1953 | |
61cbdc4b | 1954 | zero(info); |
48220598 LP |
1955 | dbus_error_init(&error); |
1956 | ||
1957 | if (!(m = dbus_message_new_method_call( | |
1958 | "org.freedesktop.systemd1", | |
1959 | path, | |
1960 | "org.freedesktop.DBus.Properties", | |
1961 | "GetAll"))) { | |
1962 | log_error("Could not allocate message."); | |
1963 | r = -ENOMEM; | |
1964 | goto finish; | |
1965 | } | |
1966 | ||
1967 | if (!dbus_message_append_args(m, | |
1968 | DBUS_TYPE_STRING, &interface, | |
1969 | DBUS_TYPE_INVALID)) { | |
1970 | log_error("Could not append arguments to message."); | |
1971 | r = -ENOMEM; | |
1972 | goto finish; | |
1973 | } | |
1974 | ||
1975 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
1976 | log_error("Failed to issue method call: %s", error.message); | |
1977 | r = -EIO; | |
1978 | goto finish; | |
1979 | } | |
1980 | ||
1981 | if (!dbus_message_iter_init(reply, &iter) || | |
1982 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY || | |
1983 | dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) { | |
1984 | log_error("Failed to parse reply."); | |
1985 | r = -EIO; | |
1986 | goto finish; | |
1987 | } | |
1988 | ||
1989 | dbus_message_iter_recurse(&iter, &sub); | |
1990 | ||
61cbdc4b LP |
1991 | if (*new_line) |
1992 | printf("\n"); | |
1993 | ||
1994 | *new_line = true; | |
1995 | ||
48220598 LP |
1996 | while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) { |
1997 | const char *name; | |
1998 | ||
1999 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) { | |
2000 | log_error("Failed to parse reply."); | |
2001 | r = -EIO; | |
2002 | goto finish; | |
2003 | } | |
2004 | ||
2005 | dbus_message_iter_recurse(&sub, &sub2); | |
0183528f | 2006 | |
48220598 LP |
2007 | if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0) { |
2008 | log_error("Failed to parse reply."); | |
2009 | r = -EIO; | |
2010 | goto finish; | |
2011 | } | |
2012 | ||
2013 | if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) { | |
2014 | log_error("Failed to parse reply."); | |
2015 | r = -EIO; | |
2016 | goto finish; | |
2017 | } | |
2018 | ||
2019 | dbus_message_iter_recurse(&sub2, &sub3); | |
2020 | ||
61cbdc4b LP |
2021 | if (show_properties) |
2022 | r = print_property(name, &sub3); | |
2023 | else | |
2024 | r = status_property(name, &sub3, &info); | |
2025 | ||
2026 | if (r < 0) { | |
48220598 LP |
2027 | log_error("Failed to parse reply."); |
2028 | r = -EIO; | |
2029 | goto finish; | |
2030 | } | |
2031 | ||
2032 | dbus_message_iter_next(&sub); | |
2033 | } | |
2034 | ||
61cbdc4b LP |
2035 | if (!show_properties) |
2036 | print_status_info(&info); | |
2037 | ||
582a507f LP |
2038 | while ((p = info.exec)) { |
2039 | LIST_REMOVE(ExecStatusInfo, exec, info.exec, p); | |
2040 | exec_status_info_free(p); | |
2041 | } | |
2042 | ||
48220598 LP |
2043 | r = 0; |
2044 | ||
2045 | finish: | |
2046 | if (m) | |
2047 | dbus_message_unref(m); | |
2048 | ||
2049 | if (reply) | |
2050 | dbus_message_unref(reply); | |
2051 | ||
2052 | dbus_error_free(&error); | |
2053 | ||
2054 | return r; | |
2055 | } | |
2056 | ||
2057 | static int show(DBusConnection *bus, char **args, unsigned n) { | |
2058 | DBusMessage *m = NULL, *reply = NULL; | |
2059 | int r; | |
2060 | DBusError error; | |
2061 | unsigned i; | |
61cbdc4b | 2062 | bool show_properties, new_line = false; |
48220598 LP |
2063 | |
2064 | assert(bus); | |
2065 | assert(args); | |
2066 | ||
2067 | dbus_error_init(&error); | |
2068 | ||
61cbdc4b LP |
2069 | show_properties = !streq(args[0], "status"); |
2070 | ||
2071 | if (show_properties && n <= 1) { | |
48220598 LP |
2072 | /* If not argument is specified inspect the manager |
2073 | * itself */ | |
2074 | ||
61cbdc4b | 2075 | r = show_one(bus, "/org/freedesktop/systemd1", show_properties, &new_line); |
48220598 LP |
2076 | goto finish; |
2077 | } | |
2078 | ||
2079 | for (i = 1; i < n; i++) { | |
2080 | const char *path = NULL; | |
2081 | uint32_t id; | |
2082 | ||
61cbdc4b | 2083 | if (!show_properties || safe_atou32(args[i], &id) < 0) { |
48220598 LP |
2084 | |
2085 | if (!(m = dbus_message_new_method_call( | |
2086 | "org.freedesktop.systemd1", | |
2087 | "/org/freedesktop/systemd1", | |
2088 | "org.freedesktop.systemd1.Manager", | |
e87d1818 | 2089 | "LoadUnit"))) { |
48220598 LP |
2090 | log_error("Could not allocate message."); |
2091 | r = -ENOMEM; | |
2092 | goto finish; | |
2093 | } | |
2094 | ||
2095 | if (!dbus_message_append_args(m, | |
2096 | DBUS_TYPE_STRING, &args[i], | |
2097 | DBUS_TYPE_INVALID)) { | |
2098 | log_error("Could not append arguments to message."); | |
2099 | r = -ENOMEM; | |
2100 | goto finish; | |
2101 | } | |
2102 | ||
ed2d7a44 LP |
2103 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { |
2104 | ||
2105 | if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) { | |
2106 | log_error("Failed to issue method call: %s", error.message); | |
2107 | r = -EIO; | |
2108 | goto finish; | |
2109 | } | |
2110 | ||
2111 | dbus_error_free(&error); | |
2112 | ||
2113 | dbus_message_unref(m); | |
2114 | if (!(m = dbus_message_new_method_call( | |
2115 | "org.freedesktop.systemd1", | |
2116 | "/org/freedesktop/systemd1", | |
2117 | "org.freedesktop.systemd1.Manager", | |
2118 | "GetUnit"))) { | |
2119 | log_error("Could not allocate message."); | |
2120 | r = -ENOMEM; | |
2121 | goto finish; | |
2122 | } | |
2123 | ||
2124 | if (!dbus_message_append_args(m, | |
2125 | DBUS_TYPE_STRING, &args[i], | |
2126 | DBUS_TYPE_INVALID)) { | |
2127 | log_error("Could not append arguments to message."); | |
2128 | r = -ENOMEM; | |
2129 | goto finish; | |
2130 | } | |
2131 | ||
2132 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2133 | log_error("Failed to issue method call: %s", error.message); | |
2134 | r = -EIO; | |
2135 | goto finish; | |
2136 | } | |
2137 | } | |
2138 | ||
48220598 LP |
2139 | } else { |
2140 | ||
2141 | if (!(m = dbus_message_new_method_call( | |
2142 | "org.freedesktop.systemd1", | |
2143 | "/org/freedesktop/systemd1", | |
2144 | "org.freedesktop.systemd1.Manager", | |
2145 | "GetJob"))) { | |
2146 | log_error("Could not allocate message."); | |
2147 | r = -ENOMEM; | |
2148 | goto finish; | |
2149 | } | |
2150 | ||
2151 | if (!dbus_message_append_args(m, | |
2152 | DBUS_TYPE_UINT32, &id, | |
2153 | DBUS_TYPE_INVALID)) { | |
2154 | log_error("Could not append arguments to message."); | |
2155 | r = -ENOMEM; | |
2156 | goto finish; | |
2157 | } | |
48220598 | 2158 | |
ed2d7a44 LP |
2159 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { |
2160 | log_error("Failed to issue method call: %s", error.message); | |
2161 | r = -EIO; | |
2162 | goto finish; | |
2163 | } | |
48220598 LP |
2164 | } |
2165 | ||
2166 | if (!dbus_message_get_args(reply, &error, | |
2167 | DBUS_TYPE_OBJECT_PATH, &path, | |
2168 | DBUS_TYPE_INVALID)) { | |
2169 | log_error("Failed to parse reply: %s", error.message); | |
2170 | r = -EIO; | |
2171 | goto finish; | |
2172 | } | |
2173 | ||
61cbdc4b | 2174 | if ((r = show_one(bus, path, show_properties, &new_line)) < 0) |
48220598 LP |
2175 | goto finish; |
2176 | ||
2177 | dbus_message_unref(m); | |
2178 | dbus_message_unref(reply); | |
2179 | m = reply = NULL; | |
2180 | } | |
2181 | ||
2182 | r = 0; | |
2183 | ||
2184 | finish: | |
2185 | if (m) | |
2186 | dbus_message_unref(m); | |
2187 | ||
2188 | if (reply) | |
2189 | dbus_message_unref(reply); | |
2190 | ||
2191 | dbus_error_free(&error); | |
2192 | ||
2193 | return r; | |
0183528f LP |
2194 | } |
2195 | ||
7e4249b9 LP |
2196 | static DBusHandlerResult monitor_filter(DBusConnection *connection, DBusMessage *message, void *data) { |
2197 | DBusError error; | |
2198 | DBusMessage *m = NULL, *reply = NULL; | |
2199 | ||
2200 | assert(connection); | |
2201 | assert(message); | |
2202 | ||
2203 | dbus_error_init(&error); | |
2204 | ||
54165a39 LP |
2205 | log_debug("Got D-Bus request: %s.%s() on %s", |
2206 | dbus_message_get_interface(message), | |
2207 | dbus_message_get_member(message), | |
2208 | dbus_message_get_path(message)); | |
7e4249b9 LP |
2209 | |
2210 | if (dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected")) { | |
2211 | log_error("Warning! D-Bus connection terminated."); | |
2212 | dbus_connection_close(connection); | |
2213 | ||
2214 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitNew") || | |
2215 | dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) { | |
2216 | const char *id, *path; | |
2217 | ||
2218 | if (!dbus_message_get_args(message, &error, | |
2219 | DBUS_TYPE_STRING, &id, | |
2220 | DBUS_TYPE_OBJECT_PATH, &path, | |
2221 | DBUS_TYPE_INVALID)) | |
2222 | log_error("Failed to parse message: %s", error.message); | |
2223 | else if (streq(dbus_message_get_member(message), "UnitNew")) | |
2224 | printf("Unit %s added.\n", id); | |
2225 | else | |
2226 | printf("Unit %s removed.\n", id); | |
2227 | ||
2228 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobNew") || | |
2229 | dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { | |
2230 | uint32_t id; | |
2231 | const char *path; | |
2232 | ||
2233 | if (!dbus_message_get_args(message, &error, | |
2234 | DBUS_TYPE_UINT32, &id, | |
2235 | DBUS_TYPE_OBJECT_PATH, &path, | |
2236 | DBUS_TYPE_INVALID)) | |
2237 | log_error("Failed to parse message: %s", error.message); | |
2238 | else if (streq(dbus_message_get_member(message), "JobNew")) | |
2239 | printf("Job %u added.\n", id); | |
2240 | else | |
2241 | printf("Job %u removed.\n", id); | |
2242 | ||
2243 | ||
2244 | } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") || | |
2245 | dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) { | |
2246 | ||
2247 | const char *path, *interface, *property = "Id"; | |
2248 | DBusMessageIter iter, sub; | |
2249 | ||
2250 | path = dbus_message_get_path(message); | |
2251 | interface = dbus_message_get_interface(message); | |
2252 | ||
2253 | if (!(m = dbus_message_new_method_call( | |
2254 | "org.freedesktop.systemd1", | |
2255 | path, | |
2256 | "org.freedesktop.DBus.Properties", | |
2257 | "Get"))) { | |
2258 | log_error("Could not allocate message."); | |
2259 | goto oom; | |
2260 | } | |
2261 | ||
2262 | if (!dbus_message_append_args(m, | |
2263 | DBUS_TYPE_STRING, &interface, | |
2264 | DBUS_TYPE_STRING, &property, | |
2265 | DBUS_TYPE_INVALID)) { | |
2266 | log_error("Could not append arguments to message."); | |
2267 | goto finish; | |
2268 | } | |
2269 | ||
2270 | if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) { | |
2271 | log_error("Failed to issue method call: %s", error.message); | |
2272 | goto finish; | |
2273 | } | |
2274 | ||
2275 | if (!dbus_message_iter_init(reply, &iter) || | |
2276 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { | |
2277 | log_error("Failed to parse reply."); | |
2278 | goto finish; | |
2279 | } | |
2280 | ||
2281 | dbus_message_iter_recurse(&iter, &sub); | |
2282 | ||
2283 | if (streq(interface, "org.freedesktop.systemd1.Unit")) { | |
2284 | const char *id; | |
2285 | ||
2286 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { | |
2287 | log_error("Failed to parse reply."); | |
2288 | goto finish; | |
2289 | } | |
2290 | ||
2291 | dbus_message_iter_get_basic(&sub, &id); | |
2292 | printf("Unit %s changed.\n", id); | |
2293 | } else { | |
2294 | uint32_t id; | |
2295 | ||
2296 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_UINT32) { | |
2297 | log_error("Failed to parse reply."); | |
2298 | goto finish; | |
2299 | } | |
2300 | ||
2301 | dbus_message_iter_get_basic(&sub, &id); | |
2302 | printf("Job %u changed.\n", id); | |
2303 | } | |
2304 | } | |
2305 | ||
2306 | finish: | |
2307 | if (m) | |
2308 | dbus_message_unref(m); | |
2309 | ||
2310 | if (reply) | |
2311 | dbus_message_unref(reply); | |
2312 | ||
2313 | dbus_error_free(&error); | |
2314 | return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; | |
2315 | ||
2316 | oom: | |
2317 | if (m) | |
2318 | dbus_message_unref(m); | |
2319 | ||
2320 | if (reply) | |
2321 | dbus_message_unref(reply); | |
2322 | ||
2323 | dbus_error_free(&error); | |
2324 | return DBUS_HANDLER_RESULT_NEED_MEMORY; | |
2325 | } | |
2326 | ||
2327 | static int monitor(DBusConnection *bus, char **args, unsigned n) { | |
2328 | DBusMessage *m = NULL, *reply = NULL; | |
2329 | DBusError error; | |
2330 | int r; | |
2331 | ||
2332 | dbus_error_init(&error); | |
2333 | ||
f4579ce7 LP |
2334 | if (!private_bus) { |
2335 | dbus_bus_add_match(bus, | |
2336 | "type='signal'," | |
2337 | "sender='org.freedesktop.systemd1'," | |
2338 | "interface='org.freedesktop.systemd1.Manager'," | |
2339 | "path='/org/freedesktop/systemd1'", | |
2340 | &error); | |
7e4249b9 | 2341 | |
f4579ce7 LP |
2342 | if (dbus_error_is_set(&error)) { |
2343 | log_error("Failed to add match: %s", error.message); | |
2344 | r = -EIO; | |
2345 | goto finish; | |
2346 | } | |
7e4249b9 | 2347 | |
f4579ce7 LP |
2348 | dbus_bus_add_match(bus, |
2349 | "type='signal'," | |
2350 | "sender='org.freedesktop.systemd1'," | |
2351 | "interface='org.freedesktop.systemd1.Unit'," | |
2352 | "member='Changed'", | |
2353 | &error); | |
7e4249b9 | 2354 | |
f4579ce7 LP |
2355 | if (dbus_error_is_set(&error)) { |
2356 | log_error("Failed to add match: %s", error.message); | |
2357 | r = -EIO; | |
2358 | goto finish; | |
2359 | } | |
7e4249b9 | 2360 | |
f4579ce7 LP |
2361 | dbus_bus_add_match(bus, |
2362 | "type='signal'," | |
2363 | "sender='org.freedesktop.systemd1'," | |
2364 | "interface='org.freedesktop.systemd1.Job'," | |
2365 | "member='Changed'", | |
2366 | &error); | |
7e4249b9 | 2367 | |
f4579ce7 LP |
2368 | if (dbus_error_is_set(&error)) { |
2369 | log_error("Failed to add match: %s", error.message); | |
2370 | r = -EIO; | |
2371 | goto finish; | |
2372 | } | |
7e4249b9 LP |
2373 | } |
2374 | ||
2375 | if (!dbus_connection_add_filter(bus, monitor_filter, NULL, NULL)) { | |
2376 | log_error("Failed to add filter."); | |
2377 | r = -ENOMEM; | |
2378 | goto finish; | |
2379 | } | |
2380 | ||
2381 | if (!(m = dbus_message_new_method_call( | |
2382 | "org.freedesktop.systemd1", | |
2383 | "/org/freedesktop/systemd1", | |
2384 | "org.freedesktop.systemd1.Manager", | |
2385 | "Subscribe"))) { | |
2386 | log_error("Could not allocate message."); | |
2387 | r = -ENOMEM; | |
2388 | goto finish; | |
2389 | } | |
2390 | ||
2391 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2392 | log_error("Failed to issue method call: %s", error.message); | |
2393 | r = -EIO; | |
2394 | goto finish; | |
2395 | } | |
2396 | ||
2397 | while (dbus_connection_read_write_dispatch(bus, -1)) | |
2398 | ; | |
2399 | ||
2400 | r = 0; | |
2401 | ||
2402 | finish: | |
2403 | ||
2404 | /* This is slightly dirty, since we don't undo the filter or the matches. */ | |
2405 | ||
2406 | if (m) | |
2407 | dbus_message_unref(m); | |
2408 | ||
2409 | if (reply) | |
2410 | dbus_message_unref(reply); | |
2411 | ||
2412 | dbus_error_free(&error); | |
2413 | ||
2414 | return r; | |
2415 | } | |
2416 | ||
2417 | static int dump(DBusConnection *bus, char **args, unsigned n) { | |
2418 | DBusMessage *m = NULL, *reply = NULL; | |
2419 | DBusError error; | |
2420 | int r; | |
2421 | const char *text; | |
2422 | ||
2423 | dbus_error_init(&error); | |
2424 | ||
2425 | if (!(m = dbus_message_new_method_call( | |
2426 | "org.freedesktop.systemd1", | |
2427 | "/org/freedesktop/systemd1", | |
2428 | "org.freedesktop.systemd1.Manager", | |
2429 | "Dump"))) { | |
2430 | log_error("Could not allocate message."); | |
2431 | return -ENOMEM; | |
2432 | } | |
2433 | ||
2434 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2435 | log_error("Failed to issue method call: %s", error.message); | |
2436 | r = -EIO; | |
2437 | goto finish; | |
2438 | } | |
2439 | ||
2440 | if (!dbus_message_get_args(reply, &error, | |
2441 | DBUS_TYPE_STRING, &text, | |
2442 | DBUS_TYPE_INVALID)) { | |
2443 | log_error("Failed to parse reply: %s", error.message); | |
2444 | r = -EIO; | |
2445 | goto finish; | |
2446 | } | |
2447 | ||
2448 | fputs(text, stdout); | |
2449 | ||
2450 | r = 0; | |
2451 | ||
2452 | finish: | |
2453 | if (m) | |
2454 | dbus_message_unref(m); | |
2455 | ||
2456 | if (reply) | |
2457 | dbus_message_unref(reply); | |
2458 | ||
2459 | dbus_error_free(&error); | |
2460 | ||
2461 | return r; | |
2462 | } | |
2463 | ||
2464 | static int snapshot(DBusConnection *bus, char **args, unsigned n) { | |
2465 | DBusMessage *m = NULL, *reply = NULL; | |
2466 | DBusError error; | |
2467 | int r; | |
2468 | const char *name = "", *path, *id; | |
2469 | dbus_bool_t cleanup = FALSE; | |
2470 | DBusMessageIter iter, sub; | |
2471 | const char | |
2472 | *interface = "org.freedesktop.systemd1.Unit", | |
2473 | *property = "Id"; | |
2474 | ||
2475 | dbus_error_init(&error); | |
2476 | ||
2477 | if (!(m = dbus_message_new_method_call( | |
2478 | "org.freedesktop.systemd1", | |
2479 | "/org/freedesktop/systemd1", | |
2480 | "org.freedesktop.systemd1.Manager", | |
2481 | "CreateSnapshot"))) { | |
2482 | log_error("Could not allocate message."); | |
2483 | return -ENOMEM; | |
2484 | } | |
2485 | ||
2486 | if (n > 1) | |
2487 | name = args[1]; | |
2488 | ||
2489 | if (!dbus_message_append_args(m, | |
2490 | DBUS_TYPE_STRING, &name, | |
2491 | DBUS_TYPE_BOOLEAN, &cleanup, | |
2492 | DBUS_TYPE_INVALID)) { | |
2493 | log_error("Could not append arguments to message."); | |
2494 | r = -ENOMEM; | |
2495 | goto finish; | |
2496 | } | |
2497 | ||
2498 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2499 | log_error("Failed to issue method call: %s", error.message); | |
2500 | r = -EIO; | |
2501 | goto finish; | |
2502 | } | |
2503 | ||
2504 | if (!dbus_message_get_args(reply, &error, | |
2505 | DBUS_TYPE_OBJECT_PATH, &path, | |
2506 | DBUS_TYPE_INVALID)) { | |
2507 | log_error("Failed to parse reply: %s", error.message); | |
2508 | r = -EIO; | |
2509 | goto finish; | |
2510 | } | |
2511 | ||
2512 | dbus_message_unref(m); | |
2513 | if (!(m = dbus_message_new_method_call( | |
2514 | "org.freedesktop.systemd1", | |
2515 | path, | |
2516 | "org.freedesktop.DBus.Properties", | |
2517 | "Get"))) { | |
2518 | log_error("Could not allocate message."); | |
2519 | return -ENOMEM; | |
2520 | } | |
2521 | ||
2522 | if (!dbus_message_append_args(m, | |
2523 | DBUS_TYPE_STRING, &interface, | |
2524 | DBUS_TYPE_STRING, &property, | |
2525 | DBUS_TYPE_INVALID)) { | |
2526 | log_error("Could not append arguments to message."); | |
2527 | r = -ENOMEM; | |
2528 | goto finish; | |
2529 | } | |
2530 | ||
2531 | dbus_message_unref(reply); | |
2532 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2533 | log_error("Failed to issue method call: %s", error.message); | |
2534 | r = -EIO; | |
2535 | goto finish; | |
2536 | } | |
2537 | ||
2538 | if (!dbus_message_iter_init(reply, &iter) || | |
2539 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { | |
2540 | log_error("Failed to parse reply."); | |
2541 | r = -EIO; | |
2542 | goto finish; | |
2543 | } | |
2544 | ||
2545 | dbus_message_iter_recurse(&iter, &sub); | |
2546 | ||
2547 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { | |
2548 | log_error("Failed to parse reply."); | |
2549 | r = -EIO; | |
2550 | goto finish; | |
2551 | } | |
2552 | ||
2553 | dbus_message_iter_get_basic(&sub, &id); | |
0183528f LP |
2554 | |
2555 | if (!arg_quiet) | |
2556 | puts(id); | |
7e4249b9 LP |
2557 | r = 0; |
2558 | ||
2559 | finish: | |
2560 | if (m) | |
2561 | dbus_message_unref(m); | |
2562 | ||
2563 | if (reply) | |
2564 | dbus_message_unref(reply); | |
2565 | ||
2566 | dbus_error_free(&error); | |
2567 | ||
2568 | return r; | |
2569 | } | |
2570 | ||
6759e7a7 LP |
2571 | static int delete_snapshot(DBusConnection *bus, char **args, unsigned n) { |
2572 | DBusMessage *m = NULL, *reply = NULL; | |
2573 | int r; | |
2574 | DBusError error; | |
2575 | unsigned i; | |
2576 | ||
2577 | assert(bus); | |
2578 | assert(args); | |
2579 | ||
2580 | dbus_error_init(&error); | |
2581 | ||
2582 | for (i = 1; i < n; i++) { | |
2583 | const char *path = NULL; | |
2584 | ||
2585 | if (!(m = dbus_message_new_method_call( | |
2586 | "org.freedesktop.systemd1", | |
2587 | "/org/freedesktop/systemd1", | |
2588 | "org.freedesktop.systemd1.Manager", | |
2589 | "GetUnit"))) { | |
2590 | log_error("Could not allocate message."); | |
2591 | r = -ENOMEM; | |
2592 | goto finish; | |
2593 | } | |
2594 | ||
2595 | if (!dbus_message_append_args(m, | |
2596 | DBUS_TYPE_STRING, &args[i], | |
2597 | DBUS_TYPE_INVALID)) { | |
2598 | log_error("Could not append arguments to message."); | |
2599 | r = -ENOMEM; | |
2600 | goto finish; | |
2601 | } | |
2602 | ||
2603 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2604 | log_error("Failed to issue method call: %s", error.message); | |
2605 | r = -EIO; | |
2606 | goto finish; | |
2607 | } | |
2608 | ||
2609 | if (!dbus_message_get_args(reply, &error, | |
2610 | DBUS_TYPE_OBJECT_PATH, &path, | |
2611 | DBUS_TYPE_INVALID)) { | |
2612 | log_error("Failed to parse reply: %s", error.message); | |
2613 | r = -EIO; | |
2614 | goto finish; | |
2615 | } | |
2616 | ||
2617 | dbus_message_unref(m); | |
2618 | if (!(m = dbus_message_new_method_call( | |
2619 | "org.freedesktop.systemd1", | |
2620 | path, | |
2621 | "org.freedesktop.systemd1.Snapshot", | |
2622 | "Remove"))) { | |
2623 | log_error("Could not allocate message."); | |
2624 | r = -ENOMEM; | |
2625 | goto finish; | |
2626 | } | |
2627 | ||
2628 | dbus_message_unref(reply); | |
2629 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2630 | log_error("Failed to issue method call: %s", error.message); | |
2631 | r = -EIO; | |
2632 | goto finish; | |
2633 | } | |
2634 | ||
2635 | dbus_message_unref(m); | |
2636 | dbus_message_unref(reply); | |
2637 | m = reply = NULL; | |
2638 | } | |
2639 | ||
2640 | r = 0; | |
2641 | ||
2642 | finish: | |
2643 | if (m) | |
2644 | dbus_message_unref(m); | |
2645 | ||
2646 | if (reply) | |
2647 | dbus_message_unref(reply); | |
2648 | ||
2649 | dbus_error_free(&error); | |
2650 | ||
2651 | return r; | |
2652 | } | |
2653 | ||
7e4249b9 LP |
2654 | static int clear_jobs(DBusConnection *bus, char **args, unsigned n) { |
2655 | DBusMessage *m = NULL, *reply = NULL; | |
2656 | DBusError error; | |
2657 | int r; | |
2658 | const char *method; | |
2659 | ||
2660 | dbus_error_init(&error); | |
2661 | ||
e4b61340 LP |
2662 | if (arg_action == ACTION_RELOAD) |
2663 | method = "Reload"; | |
2664 | else if (arg_action == ACTION_REEXEC) | |
2665 | method = "Reexecute"; | |
2666 | else { | |
2667 | assert(arg_action == ACTION_SYSTEMCTL); | |
2668 | ||
2669 | method = | |
5632e374 LP |
2670 | streq(args[0], "clear-jobs") ? "ClearJobs" : |
2671 | streq(args[0], "daemon-reload") ? "Reload" : | |
2672 | streq(args[0], "daemon-reexec") ? "Reexecute" : | |
2673 | streq(args[0], "reset-maintenance") ? "ResetMaintenance" : | |
2674 | "Exit"; | |
e4b61340 | 2675 | } |
7e4249b9 LP |
2676 | |
2677 | if (!(m = dbus_message_new_method_call( | |
2678 | "org.freedesktop.systemd1", | |
2679 | "/org/freedesktop/systemd1", | |
2680 | "org.freedesktop.systemd1.Manager", | |
2681 | method))) { | |
2682 | log_error("Could not allocate message."); | |
2683 | return -ENOMEM; | |
2684 | } | |
2685 | ||
2686 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
e4b61340 LP |
2687 | |
2688 | if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) { | |
2689 | /* There's always a fallback possible for | |
2690 | * legacy actions. */ | |
2691 | r = 0; | |
2692 | goto finish; | |
2693 | } | |
2694 | ||
7e4249b9 LP |
2695 | log_error("Failed to issue method call: %s", error.message); |
2696 | r = -EIO; | |
2697 | goto finish; | |
2698 | } | |
2699 | ||
e4b61340 | 2700 | r = 1; |
7e4249b9 LP |
2701 | |
2702 | finish: | |
2703 | if (m) | |
2704 | dbus_message_unref(m); | |
2705 | ||
2706 | if (reply) | |
2707 | dbus_message_unref(reply); | |
2708 | ||
2709 | dbus_error_free(&error); | |
2710 | ||
2711 | return r; | |
2712 | } | |
2713 | ||
5632e374 LP |
2714 | static int reset_maintenance(DBusConnection *bus, char **args, unsigned n) { |
2715 | DBusMessage *m = NULL, *reply = NULL; | |
2716 | unsigned i; | |
2717 | int r; | |
2718 | DBusError error; | |
2719 | ||
2720 | assert(bus); | |
2721 | dbus_error_init(&error); | |
2722 | ||
2723 | if (n <= 1) | |
2724 | return clear_jobs(bus, args, n); | |
2725 | ||
2726 | for (i = 1; i < n; i++) { | |
2727 | ||
2728 | if (!(m = dbus_message_new_method_call( | |
2729 | "org.freedesktop.systemd1", | |
2730 | "/org/freedesktop/systemd1", | |
2731 | "org.freedesktop.systemd1.Manager", | |
2732 | "ResetMaintenanceUnit"))) { | |
2733 | log_error("Could not allocate message."); | |
2734 | r = -ENOMEM; | |
2735 | goto finish; | |
2736 | } | |
2737 | ||
2738 | if (!dbus_message_append_args(m, | |
2739 | DBUS_TYPE_STRING, args + i, | |
2740 | DBUS_TYPE_INVALID)) { | |
2741 | log_error("Could not append arguments to message."); | |
2742 | r = -ENOMEM; | |
2743 | goto finish; | |
2744 | } | |
2745 | ||
2746 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2747 | log_error("Failed to issue method call: %s", error.message); | |
2748 | r = -EIO; | |
2749 | goto finish; | |
2750 | } | |
2751 | ||
2752 | dbus_message_unref(m); | |
2753 | dbus_message_unref(reply); | |
2754 | m = reply = NULL; | |
2755 | } | |
2756 | ||
2757 | r = 0; | |
2758 | ||
2759 | finish: | |
2760 | if (m) | |
2761 | dbus_message_unref(m); | |
2762 | ||
2763 | if (reply) | |
2764 | dbus_message_unref(reply); | |
2765 | ||
2766 | dbus_error_free(&error); | |
2767 | ||
2768 | return r; | |
2769 | } | |
2770 | ||
7e4249b9 LP |
2771 | static int show_enviroment(DBusConnection *bus, char **args, unsigned n) { |
2772 | DBusMessage *m = NULL, *reply = NULL; | |
2773 | DBusError error; | |
2774 | DBusMessageIter iter, sub, sub2; | |
2775 | int r; | |
2776 | const char | |
2777 | *interface = "org.freedesktop.systemd1.Manager", | |
2778 | *property = "Environment"; | |
2779 | ||
2780 | dbus_error_init(&error); | |
2781 | ||
2782 | if (!(m = dbus_message_new_method_call( | |
2783 | "org.freedesktop.systemd1", | |
2784 | "/org/freedesktop/systemd1", | |
2785 | "org.freedesktop.DBus.Properties", | |
2786 | "Get"))) { | |
2787 | log_error("Could not allocate message."); | |
2788 | return -ENOMEM; | |
2789 | } | |
2790 | ||
2791 | if (!dbus_message_append_args(m, | |
2792 | DBUS_TYPE_STRING, &interface, | |
2793 | DBUS_TYPE_STRING, &property, | |
2794 | DBUS_TYPE_INVALID)) { | |
2795 | log_error("Could not append arguments to message."); | |
2796 | r = -ENOMEM; | |
2797 | goto finish; | |
2798 | } | |
2799 | ||
2800 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2801 | log_error("Failed to issue method call: %s", error.message); | |
2802 | r = -EIO; | |
2803 | goto finish; | |
2804 | } | |
2805 | ||
2806 | if (!dbus_message_iter_init(reply, &iter) || | |
2807 | dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { | |
2808 | log_error("Failed to parse reply."); | |
2809 | r = -EIO; | |
2810 | goto finish; | |
2811 | } | |
2812 | ||
2813 | dbus_message_iter_recurse(&iter, &sub); | |
2814 | ||
2815 | if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY || | |
2816 | dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) { | |
2817 | log_error("Failed to parse reply."); | |
2818 | r = -EIO; | |
2819 | goto finish; | |
2820 | } | |
2821 | ||
2822 | dbus_message_iter_recurse(&sub, &sub2); | |
2823 | ||
2824 | while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) { | |
2825 | const char *text; | |
2826 | ||
2827 | if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) { | |
2828 | log_error("Failed to parse reply."); | |
2829 | r = -EIO; | |
2830 | goto finish; | |
2831 | } | |
2832 | ||
2833 | dbus_message_iter_get_basic(&sub2, &text); | |
2834 | printf("%s\n", text); | |
2835 | ||
2836 | dbus_message_iter_next(&sub2); | |
2837 | } | |
2838 | ||
2839 | r = 0; | |
2840 | ||
2841 | finish: | |
2842 | if (m) | |
2843 | dbus_message_unref(m); | |
2844 | ||
2845 | if (reply) | |
2846 | dbus_message_unref(reply); | |
2847 | ||
2848 | dbus_error_free(&error); | |
2849 | ||
2850 | return r; | |
2851 | } | |
2852 | ||
2853 | static int set_environment(DBusConnection *bus, char **args, unsigned n) { | |
2854 | DBusMessage *m = NULL, *reply = NULL; | |
2855 | DBusError error; | |
2856 | int r; | |
2857 | const char *method; | |
2858 | DBusMessageIter iter, sub; | |
2859 | unsigned i; | |
2860 | ||
2861 | dbus_error_init(&error); | |
2862 | ||
2863 | method = streq(args[0], "set-environment") | |
2864 | ? "SetEnvironment" | |
2865 | : "UnsetEnvironment"; | |
2866 | ||
2867 | if (!(m = dbus_message_new_method_call( | |
2868 | "org.freedesktop.systemd1", | |
2869 | "/org/freedesktop/systemd1", | |
2870 | "org.freedesktop.systemd1.Manager", | |
2871 | method))) { | |
2872 | ||
2873 | log_error("Could not allocate message."); | |
2874 | return -ENOMEM; | |
2875 | } | |
2876 | ||
2877 | dbus_message_iter_init_append(m, &iter); | |
2878 | ||
2879 | if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) { | |
2880 | log_error("Could not append arguments to message."); | |
2881 | r = -ENOMEM; | |
2882 | goto finish; | |
2883 | } | |
2884 | ||
2885 | for (i = 1; i < n; i++) | |
2886 | if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) { | |
2887 | log_error("Could not append arguments to message."); | |
2888 | r = -ENOMEM; | |
2889 | goto finish; | |
2890 | } | |
2891 | ||
2892 | if (!dbus_message_iter_close_container(&iter, &sub)) { | |
2893 | log_error("Could not append arguments to message."); | |
2894 | r = -ENOMEM; | |
2895 | goto finish; | |
2896 | } | |
2897 | ||
2898 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
2899 | log_error("Failed to issue method call: %s", error.message); | |
2900 | r = -EIO; | |
2901 | goto finish; | |
2902 | } | |
2903 | ||
2904 | r = 0; | |
2905 | ||
2906 | finish: | |
2907 | if (m) | |
2908 | dbus_message_unref(m); | |
2909 | ||
2910 | if (reply) | |
2911 | dbus_message_unref(reply); | |
2912 | ||
2913 | dbus_error_free(&error); | |
2914 | ||
2915 | return r; | |
2916 | } | |
2917 | ||
e4b61340 | 2918 | static int systemctl_help(void) { |
7e4249b9 | 2919 | |
2e33c433 | 2920 | printf("%s [OPTIONS...] {COMMAND} ...\n\n" |
5632e374 | 2921 | "Send control commands to or query the systemd manager.\n\n" |
48220598 LP |
2922 | " -h --help Show this help\n" |
2923 | " -t --type=TYPE List only units of a particular type\n" | |
393a2f9b | 2924 | " -p --property=NAME Show only properties by this name\n" |
48220598 | 2925 | " -a --all Show all units/properties, including dead/empty ones\n" |
8fe914ec | 2926 | " --full Don't ellipsize unit names.\n" |
6f28c033 LP |
2927 | " --fail When installing a new job, fail if conflicting jobs are\n" |
2928 | " pending\n" | |
48220598 LP |
2929 | " --system Connect to system bus\n" |
2930 | " --session Connect to session bus\n" | |
4445a875 LP |
2931 | " --order When generating graph for dot, show only order\n" |
2932 | " --require When generating graph for dot, show only requirement\n" | |
48220598 LP |
2933 | " -q --quiet Suppress output\n" |
2934 | " --no-block Do not wait until operation finished\n" | |
2935 | " --no-wall Don't send wall message before halt/power-off/reboot\n\n" | |
7e4249b9 LP |
2936 | "Commands:\n" |
2937 | " list-units List units\n" | |
7e4249b9 LP |
2938 | " start [NAME...] Start one or more units\n" |
2939 | " stop [NAME...] Stop one or more units\n" | |
7e4249b9 | 2940 | " reload [NAME...] Reload one or more units\n" |
6f28c033 LP |
2941 | " restart [NAME...] Start or restart one or more units\n" |
2942 | " try-restart [NAME...] Restart one or more units if active\n" | |
2943 | " reload-or-restart [NAME...] Reload one or more units is possible,\n" | |
2944 | " otherwise start or restart\n" | |
2945 | " reload-or-try-restart [NAME...] Reload one or more units is possible,\n" | |
2946 | " otherwise restart if active\n" | |
7e4249b9 | 2947 | " isolate [NAME] Start one unit and stop all others\n" |
6f28c033 | 2948 | " check [NAME...] Check whether units are active\n" |
61cbdc4b | 2949 | " status [NAME...] Show status of one or more units\n" |
6f28c033 LP |
2950 | " show [NAME...|JOB...] Show properties of one or more\n" |
2951 | " units/jobs/manager\n" | |
5632e374 LP |
2952 | " reset-maintenance [NAME...] Reset maintenance state for all, one\n" |
2953 | " or more units\n" | |
48220598 LP |
2954 | " load [NAME...] Load one or more units\n" |
2955 | " list-jobs List jobs\n" | |
2956 | " cancel [JOB...] Cancel one or more jobs\n" | |
2957 | " clear-jobs Cancel all jobs\n" | |
7e4249b9 LP |
2958 | " monitor Monitor unit/job changes\n" |
2959 | " dump Dump server status\n" | |
4445a875 | 2960 | " dot Dump dependency graph for dot(1)\n" |
7e4249b9 | 2961 | " snapshot [NAME] Create a snapshot\n" |
6759e7a7 | 2962 | " delete [NAME...] Remove one or more snapshots\n" |
5ec7ed4e LP |
2963 | " daemon-reload Reload systemd manager configuration\n" |
2964 | " daemon-reexec Reexecute systemd manager\n" | |
2965 | " daemon-exit Ask the systemd manager to quit\n" | |
7e4249b9 LP |
2966 | " show-environment Dump environment\n" |
2967 | " set-environment [NAME=VALUE...] Set one or more environment variables\n" | |
514f4ef5 LP |
2968 | " unset-environment [NAME...] Unset one or more environment variables\n" |
2969 | " halt Shut down and halt the system\n" | |
2e33c433 | 2970 | " poweroff Shut down and power-off the system\n" |
514f4ef5 | 2971 | " reboot Shut down and reboot the system\n" |
6f28c033 LP |
2972 | " rescue Enter system rescue mode\n" |
2973 | " emergency Enter system emergency mode\n" | |
2974 | " default Enter system default mode\n", | |
5b6319dc | 2975 | program_invocation_short_name); |
7e4249b9 LP |
2976 | |
2977 | return 0; | |
2978 | } | |
2979 | ||
e4b61340 LP |
2980 | static int halt_help(void) { |
2981 | ||
2e33c433 | 2982 | printf("%s [OPTIONS...]\n\n" |
e4b61340 LP |
2983 | "%s the system.\n\n" |
2984 | " --help Show this help\n" | |
2985 | " --halt Halt the machine\n" | |
2986 | " -p --poweroff Switch off the machine\n" | |
2987 | " --reboot Reboot the machine\n" | |
2e33c433 LP |
2988 | " -f --force Force immediate halt/power-off/reboot\n" |
2989 | " -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record\n" | |
e4b61340 | 2990 | " -d --no-wtmp Don't write wtmp record\n" |
2e33c433 LP |
2991 | " -n --no-sync Don't sync before halt/power-off/reboot\n" |
2992 | " --no-wall Don't send wall message before halt/power-off/reboot\n", | |
e4b61340 LP |
2993 | program_invocation_short_name, |
2994 | arg_action == ACTION_REBOOT ? "Reboot" : | |
2995 | arg_action == ACTION_POWEROFF ? "Power off" : | |
2996 | "Halt"); | |
2997 | ||
2998 | return 0; | |
2999 | } | |
3000 | ||
3001 | static int shutdown_help(void) { | |
3002 | ||
2e33c433 | 3003 | printf("%s [OPTIONS...] [now] [WALL...]\n\n" |
e4b61340 LP |
3004 | "Shut down the system.\n\n" |
3005 | " --help Show this help\n" | |
3006 | " -H --halt Halt the machine\n" | |
3007 | " -P --poweroff Power-off the machine\n" | |
3008 | " -r --reboot Reboot the machine\n" | |
3009 | " -h Equivalent to --poweroff, overriden by --halt\n" | |
2e33c433 LP |
3010 | " -k Don't halt/power-off/reboot, just send warnings\n" |
3011 | " --no-wall Don't send wall message before halt/power-off/reboot\n", | |
e4b61340 LP |
3012 | program_invocation_short_name); |
3013 | ||
3014 | return 0; | |
3015 | } | |
3016 | ||
3017 | static int telinit_help(void) { | |
3018 | ||
2e33c433 | 3019 | printf("%s [OPTIONS...] {COMMAND}\n\n" |
514f4ef5 LP |
3020 | "Send control commands to the init daemon.\n\n" |
3021 | " --help Show this help\n" | |
2e33c433 | 3022 | " --no-wall Don't send wall message before halt/power-off/reboot\n\n" |
e4b61340 LP |
3023 | "Commands:\n" |
3024 | " 0 Power-off the machine\n" | |
3025 | " 6 Reboot the machine\n" | |
514f4ef5 LP |
3026 | " 2, 3, 4, 5 Start runlevelX.target unit\n" |
3027 | " 1, s, S Enter rescue mode\n" | |
3028 | " q, Q Reload init daemon configuration\n" | |
3029 | " u, U Reexecute init daemon\n", | |
e4b61340 LP |
3030 | program_invocation_short_name); |
3031 | ||
3032 | return 0; | |
3033 | } | |
3034 | ||
3035 | static int runlevel_help(void) { | |
3036 | ||
2e33c433 | 3037 | printf("%s [OPTIONS...]\n\n" |
e4b61340 LP |
3038 | "Prints the previous and current runlevel of the init system.\n\n" |
3039 | " --help Show this help\n", | |
3040 | program_invocation_short_name); | |
3041 | ||
3042 | return 0; | |
3043 | } | |
3044 | ||
3045 | static int systemctl_parse_argv(int argc, char *argv[]) { | |
7e4249b9 LP |
3046 | |
3047 | enum { | |
90d473a1 | 3048 | ARG_FAIL = 0x100, |
7e4249b9 LP |
3049 | ARG_SESSION, |
3050 | ARG_SYSTEM, | |
6e905d93 | 3051 | ARG_NO_BLOCK, |
4445a875 LP |
3052 | ARG_NO_WALL, |
3053 | ARG_ORDER, | |
8fe914ec LP |
3054 | ARG_REQUIRE, |
3055 | ARG_FULL | |
7e4249b9 LP |
3056 | }; |
3057 | ||
3058 | static const struct option options[] = { | |
6e905d93 LP |
3059 | { "help", no_argument, NULL, 'h' }, |
3060 | { "type", required_argument, NULL, 't' }, | |
48220598 | 3061 | { "property", required_argument, NULL, 'p' }, |
6e905d93 | 3062 | { "all", no_argument, NULL, 'a' }, |
8fe914ec | 3063 | { "full", no_argument, NULL, ARG_FULL }, |
90d473a1 | 3064 | { "fail", no_argument, NULL, ARG_FAIL }, |
6e905d93 LP |
3065 | { "session", no_argument, NULL, ARG_SESSION }, |
3066 | { "system", no_argument, NULL, ARG_SYSTEM }, | |
3067 | { "no-block", no_argument, NULL, ARG_NO_BLOCK }, | |
3068 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, | |
0183528f | 3069 | { "quiet", no_argument, NULL, 'q' }, |
4445a875 LP |
3070 | { "order", no_argument, NULL, ARG_ORDER }, |
3071 | { "require", no_argument, NULL, ARG_REQUIRE }, | |
6e905d93 | 3072 | { NULL, 0, NULL, 0 } |
7e4249b9 LP |
3073 | }; |
3074 | ||
3075 | int c; | |
3076 | ||
e4b61340 | 3077 | assert(argc >= 0); |
7e4249b9 LP |
3078 | assert(argv); |
3079 | ||
48220598 | 3080 | while ((c = getopt_long(argc, argv, "ht:p:aq", options, NULL)) >= 0) { |
7e4249b9 LP |
3081 | |
3082 | switch (c) { | |
3083 | ||
3084 | case 'h': | |
e4b61340 | 3085 | systemctl_help(); |
7e4249b9 LP |
3086 | return 0; |
3087 | ||
3088 | case 't': | |
3089 | arg_type = optarg; | |
3090 | break; | |
3091 | ||
48220598 LP |
3092 | case 'p': |
3093 | arg_property = optarg; | |
3094 | ||
3095 | /* If the user asked for a particular | |
3096 | * property, show it to him, even if it is | |
3097 | * empty. */ | |
3098 | arg_all = true; | |
3099 | break; | |
3100 | ||
7e4249b9 LP |
3101 | case 'a': |
3102 | arg_all = true; | |
3103 | break; | |
3104 | ||
90d473a1 LP |
3105 | case ARG_FAIL: |
3106 | arg_fail = true; | |
7e4249b9 LP |
3107 | break; |
3108 | ||
3109 | case ARG_SESSION: | |
3110 | arg_session = true; | |
3111 | break; | |
3112 | ||
3113 | case ARG_SYSTEM: | |
3114 | arg_session = false; | |
3115 | break; | |
3116 | ||
6e905d93 LP |
3117 | case ARG_NO_BLOCK: |
3118 | arg_no_block = true; | |
7e4249b9 LP |
3119 | break; |
3120 | ||
514f4ef5 LP |
3121 | case ARG_NO_WALL: |
3122 | arg_no_wall = true; | |
3123 | break; | |
3124 | ||
4445a875 LP |
3125 | case ARG_ORDER: |
3126 | arg_dot = DOT_ORDER; | |
3127 | break; | |
3128 | ||
3129 | case ARG_REQUIRE: | |
3130 | arg_dot = DOT_REQUIRE; | |
3131 | break; | |
3132 | ||
8fe914ec LP |
3133 | case ARG_FULL: |
3134 | arg_full = true; | |
3135 | break; | |
3136 | ||
0183528f LP |
3137 | case 'q': |
3138 | arg_quiet = true; | |
3139 | break; | |
3140 | ||
7e4249b9 LP |
3141 | case '?': |
3142 | return -EINVAL; | |
3143 | ||
3144 | default: | |
3145 | log_error("Unknown option code %c", c); | |
3146 | return -EINVAL; | |
3147 | } | |
3148 | } | |
3149 | ||
3150 | return 1; | |
3151 | } | |
3152 | ||
e4b61340 LP |
3153 | static int halt_parse_argv(int argc, char *argv[]) { |
3154 | ||
3155 | enum { | |
3156 | ARG_HELP = 0x100, | |
3157 | ARG_HALT, | |
514f4ef5 LP |
3158 | ARG_REBOOT, |
3159 | ARG_NO_WALL | |
e4b61340 LP |
3160 | }; |
3161 | ||
3162 | static const struct option options[] = { | |
3163 | { "help", no_argument, NULL, ARG_HELP }, | |
3164 | { "halt", no_argument, NULL, ARG_HALT }, | |
3165 | { "poweroff", no_argument, NULL, 'p' }, | |
3166 | { "reboot", no_argument, NULL, ARG_REBOOT }, | |
3167 | { "force", no_argument, NULL, 'f' }, | |
3168 | { "wtmp-only", no_argument, NULL, 'w' }, | |
3169 | { "no-wtmp", no_argument, NULL, 'd' }, | |
3170 | { "no-sync", no_argument, NULL, 'n' }, | |
514f4ef5 | 3171 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, |
e4b61340 LP |
3172 | { NULL, 0, NULL, 0 } |
3173 | }; | |
3174 | ||
3175 | int c, runlevel; | |
3176 | ||
3177 | assert(argc >= 0); | |
3178 | assert(argv); | |
3179 | ||
3180 | if (utmp_get_runlevel(&runlevel, NULL) >= 0) | |
3181 | if (runlevel == '0' || runlevel == '6') | |
3182 | arg_immediate = true; | |
3183 | ||
3184 | while ((c = getopt_long(argc, argv, "pfwdnih", options, NULL)) >= 0) { | |
3185 | switch (c) { | |
3186 | ||
3187 | case ARG_HELP: | |
3188 | halt_help(); | |
3189 | return 0; | |
3190 | ||
3191 | case ARG_HALT: | |
3192 | arg_action = ACTION_HALT; | |
3193 | break; | |
3194 | ||
3195 | case 'p': | |
3196 | arg_action = ACTION_POWEROFF; | |
3197 | break; | |
3198 | ||
3199 | case ARG_REBOOT: | |
3200 | arg_action = ACTION_REBOOT; | |
3201 | break; | |
3202 | ||
3203 | case 'f': | |
3204 | arg_immediate = true; | |
3205 | break; | |
3206 | ||
3207 | case 'w': | |
3208 | arg_dry = true; | |
3209 | break; | |
3210 | ||
3211 | case 'd': | |
3212 | arg_no_wtmp = true; | |
3213 | break; | |
3214 | ||
3215 | case 'n': | |
3216 | arg_no_sync = true; | |
3217 | break; | |
3218 | ||
514f4ef5 LP |
3219 | case ARG_NO_WALL: |
3220 | arg_no_wall = true; | |
3221 | break; | |
3222 | ||
e4b61340 LP |
3223 | case 'i': |
3224 | case 'h': | |
3225 | /* Compatibility nops */ | |
3226 | break; | |
3227 | ||
3228 | case '?': | |
3229 | return -EINVAL; | |
3230 | ||
3231 | default: | |
3232 | log_error("Unknown option code %c", c); | |
3233 | return -EINVAL; | |
3234 | } | |
3235 | } | |
3236 | ||
3237 | if (optind < argc) { | |
3238 | log_error("Too many arguments."); | |
3239 | return -EINVAL; | |
3240 | } | |
3241 | ||
3242 | return 1; | |
3243 | } | |
3244 | ||
3245 | static int shutdown_parse_argv(int argc, char *argv[]) { | |
3246 | ||
3247 | enum { | |
3248 | ARG_HELP = 0x100, | |
514f4ef5 | 3249 | ARG_NO_WALL |
e4b61340 LP |
3250 | }; |
3251 | ||
3252 | static const struct option options[] = { | |
3253 | { "help", no_argument, NULL, ARG_HELP }, | |
3254 | { "halt", no_argument, NULL, 'H' }, | |
3255 | { "poweroff", no_argument, NULL, 'P' }, | |
3256 | { "reboot", no_argument, NULL, 'r' }, | |
514f4ef5 | 3257 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, |
e4b61340 LP |
3258 | { NULL, 0, NULL, 0 } |
3259 | }; | |
3260 | ||
3261 | int c; | |
3262 | ||
3263 | assert(argc >= 0); | |
3264 | assert(argv); | |
3265 | ||
3266 | while ((c = getopt_long(argc, argv, "HPrhkt:a", options, NULL)) >= 0) { | |
3267 | switch (c) { | |
3268 | ||
3269 | case ARG_HELP: | |
3270 | shutdown_help(); | |
3271 | return 0; | |
3272 | ||
3273 | case 'H': | |
3274 | arg_action = ACTION_HALT; | |
3275 | break; | |
3276 | ||
3277 | case 'P': | |
3278 | arg_action = ACTION_POWEROFF; | |
3279 | break; | |
3280 | ||
3281 | case 'r': | |
3282 | arg_action = ACTION_REBOOT; | |
3283 | break; | |
3284 | ||
3285 | case 'h': | |
3286 | if (arg_action != ACTION_HALT) | |
3287 | arg_action = ACTION_POWEROFF; | |
3288 | break; | |
3289 | ||
3290 | case 'k': | |
3291 | arg_dry = true; | |
3292 | break; | |
3293 | ||
514f4ef5 LP |
3294 | case ARG_NO_WALL: |
3295 | arg_no_wall = true; | |
3296 | break; | |
3297 | ||
e4b61340 LP |
3298 | case 't': |
3299 | case 'a': | |
3300 | /* Compatibility nops */ | |
3301 | break; | |
3302 | ||
3303 | case '?': | |
3304 | return -EINVAL; | |
3305 | ||
3306 | default: | |
3307 | log_error("Unknown option code %c", c); | |
3308 | return -EINVAL; | |
3309 | } | |
3310 | } | |
3311 | ||
4545812f LP |
3312 | if (argc > optind && !streq(argv[optind], "now")) |
3313 | log_warning("First argument '%s' isn't 'now'. Ignoring.", argv[optind]); | |
442b9094 | 3314 | |
e4b61340 LP |
3315 | /* We ignore the time argument */ |
3316 | if (argc > optind + 1) | |
3317 | arg_wall = argv + optind + 1; | |
3318 | ||
3319 | optind = argc; | |
3320 | ||
3321 | return 1; | |
e4b61340 LP |
3322 | } |
3323 | ||
3324 | static int telinit_parse_argv(int argc, char *argv[]) { | |
3325 | ||
3326 | enum { | |
3327 | ARG_HELP = 0x100, | |
514f4ef5 | 3328 | ARG_NO_WALL |
e4b61340 LP |
3329 | }; |
3330 | ||
3331 | static const struct option options[] = { | |
3332 | { "help", no_argument, NULL, ARG_HELP }, | |
514f4ef5 | 3333 | { "no-wall", no_argument, NULL, ARG_NO_WALL }, |
e4b61340 LP |
3334 | { NULL, 0, NULL, 0 } |
3335 | }; | |
3336 | ||
3337 | static const struct { | |
3338 | char from; | |
3339 | enum action to; | |
3340 | } table[] = { | |
3341 | { '0', ACTION_POWEROFF }, | |
3342 | { '6', ACTION_REBOOT }, | |
ef2f1067 | 3343 | { '1', ACTION_RESCUE }, |
e4b61340 LP |
3344 | { '2', ACTION_RUNLEVEL2 }, |
3345 | { '3', ACTION_RUNLEVEL3 }, | |
3346 | { '4', ACTION_RUNLEVEL4 }, | |
3347 | { '5', ACTION_RUNLEVEL5 }, | |
3348 | { 's', ACTION_RESCUE }, | |
3349 | { 'S', ACTION_RESCUE }, | |
3350 | { 'q', ACTION_RELOAD }, | |
3351 | { 'Q', ACTION_RELOAD }, | |
3352 | { 'u', ACTION_REEXEC }, | |
3353 | { 'U', ACTION_REEXEC } | |
3354 | }; | |
3355 | ||
3356 | unsigned i; | |
3357 | int c; | |
3358 | ||
3359 | assert(argc >= 0); | |
3360 | assert(argv); | |
3361 | ||
3362 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { | |
3363 | switch (c) { | |
3364 | ||
3365 | case ARG_HELP: | |
3366 | telinit_help(); | |
3367 | return 0; | |
3368 | ||
514f4ef5 LP |
3369 | case ARG_NO_WALL: |
3370 | arg_no_wall = true; | |
3371 | break; | |
3372 | ||
e4b61340 LP |
3373 | case '?': |
3374 | return -EINVAL; | |
3375 | ||
3376 | default: | |
3377 | log_error("Unknown option code %c", c); | |
3378 | return -EINVAL; | |
3379 | } | |
3380 | } | |
3381 | ||
3382 | if (optind >= argc) { | |
2f02ce40 | 3383 | telinit_help(); |
e4b61340 LP |
3384 | return -EINVAL; |
3385 | } | |
3386 | ||
3387 | if (optind + 1 < argc) { | |
3388 | log_error("Too many arguments."); | |
3389 | return -EINVAL; | |
3390 | } | |
3391 | ||
3392 | if (strlen(argv[optind]) != 1) { | |
3393 | log_error("Expected single character argument."); | |
3394 | return -EINVAL; | |
3395 | } | |
3396 | ||
3397 | for (i = 0; i < ELEMENTSOF(table); i++) | |
3398 | if (table[i].from == argv[optind][0]) | |
3399 | break; | |
3400 | ||
3401 | if (i >= ELEMENTSOF(table)) { | |
3402 | log_error("Unknown command %s.", argv[optind]); | |
3403 | return -EINVAL; | |
3404 | } | |
3405 | ||
3406 | arg_action = table[i].to; | |
3407 | ||
3408 | optind ++; | |
3409 | ||
3410 | return 1; | |
3411 | } | |
3412 | ||
3413 | static int runlevel_parse_argv(int argc, char *argv[]) { | |
3414 | ||
3415 | enum { | |
3416 | ARG_HELP = 0x100, | |
3417 | }; | |
3418 | ||
3419 | static const struct option options[] = { | |
3420 | { "help", no_argument, NULL, ARG_HELP }, | |
3421 | { NULL, 0, NULL, 0 } | |
3422 | }; | |
3423 | ||
3424 | int c; | |
3425 | ||
3426 | assert(argc >= 0); | |
3427 | assert(argv); | |
3428 | ||
3429 | while ((c = getopt_long(argc, argv, "", options, NULL)) >= 0) { | |
3430 | switch (c) { | |
3431 | ||
3432 | case ARG_HELP: | |
3433 | runlevel_help(); | |
3434 | return 0; | |
3435 | ||
3436 | case '?': | |
3437 | return -EINVAL; | |
3438 | ||
3439 | default: | |
3440 | log_error("Unknown option code %c", c); | |
3441 | return -EINVAL; | |
3442 | } | |
3443 | } | |
3444 | ||
3445 | if (optind < argc) { | |
3446 | log_error("Too many arguments."); | |
3447 | return -EINVAL; | |
3448 | } | |
3449 | ||
3450 | return 1; | |
3451 | } | |
3452 | ||
3453 | static int parse_argv(int argc, char *argv[]) { | |
3454 | assert(argc >= 0); | |
3455 | assert(argv); | |
3456 | ||
3457 | if (program_invocation_short_name) { | |
3458 | ||
3459 | if (strstr(program_invocation_short_name, "halt")) { | |
3460 | arg_action = ACTION_HALT; | |
3461 | return halt_parse_argv(argc, argv); | |
3462 | } else if (strstr(program_invocation_short_name, "poweroff")) { | |
3463 | arg_action = ACTION_POWEROFF; | |
3464 | return halt_parse_argv(argc, argv); | |
3465 | } else if (strstr(program_invocation_short_name, "reboot")) { | |
3466 | arg_action = ACTION_REBOOT; | |
3467 | return halt_parse_argv(argc, argv); | |
3468 | } else if (strstr(program_invocation_short_name, "shutdown")) { | |
3469 | arg_action = ACTION_POWEROFF; | |
3470 | return shutdown_parse_argv(argc, argv); | |
3471 | } else if (strstr(program_invocation_short_name, "init")) { | |
3472 | arg_action = ACTION_INVALID; | |
3473 | return telinit_parse_argv(argc, argv); | |
3474 | } else if (strstr(program_invocation_short_name, "runlevel")) { | |
3475 | arg_action = ACTION_RUNLEVEL; | |
3476 | return runlevel_parse_argv(argc, argv); | |
3477 | } | |
3478 | } | |
3479 | ||
3480 | arg_action = ACTION_SYSTEMCTL; | |
3481 | return systemctl_parse_argv(argc, argv); | |
3482 | } | |
3483 | ||
d55ae9e6 | 3484 | static int action_to_runlevel(void) { |
eb22ac37 LP |
3485 | |
3486 | static const char table[_ACTION_MAX] = { | |
3487 | [ACTION_HALT] = '0', | |
3488 | [ACTION_POWEROFF] = '0', | |
3489 | [ACTION_REBOOT] = '6', | |
3490 | [ACTION_RUNLEVEL2] = '2', | |
3491 | [ACTION_RUNLEVEL3] = '3', | |
3492 | [ACTION_RUNLEVEL4] = '4', | |
3493 | [ACTION_RUNLEVEL5] = '5', | |
3494 | [ACTION_RESCUE] = '1' | |
3495 | }; | |
3496 | ||
d55ae9e6 LP |
3497 | assert(arg_action < _ACTION_MAX); |
3498 | ||
3499 | return table[arg_action]; | |
3500 | } | |
3501 | ||
f1c5860b | 3502 | static int talk_upstart(void) { |
d55ae9e6 LP |
3503 | DBusMessage *m = NULL, *reply = NULL; |
3504 | DBusError error; | |
3505 | int previous, rl, r; | |
3506 | char | |
3507 | env1_buf[] = "RUNLEVEL=X", | |
3508 | env2_buf[] = "PREVLEVEL=X"; | |
3509 | char *env1 = env1_buf, *env2 = env2_buf; | |
3510 | const char *emit = "runlevel"; | |
3511 | dbus_bool_t b_false = FALSE; | |
3512 | DBusMessageIter iter, sub; | |
f1c5860b | 3513 | DBusConnection *bus; |
d55ae9e6 LP |
3514 | |
3515 | dbus_error_init(&error); | |
3516 | ||
3517 | if (!(rl = action_to_runlevel())) | |
3518 | return 0; | |
3519 | ||
3520 | if (utmp_get_runlevel(&previous, NULL) < 0) | |
3521 | previous = 'N'; | |
3522 | ||
b574246b | 3523 | if (!(bus = dbus_connection_open_private("unix:abstract=/com/ubuntu/upstart", &error))) { |
f1c5860b LP |
3524 | if (dbus_error_has_name(&error, DBUS_ERROR_NO_SERVER)) { |
3525 | r = 0; | |
3526 | goto finish; | |
3527 | } | |
3528 | ||
3529 | log_error("Failed to connect to Upstart bus: %s", error.message); | |
3530 | r = -EIO; | |
3531 | goto finish; | |
3532 | } | |
3533 | ||
3534 | if ((r = bus_check_peercred(bus)) < 0) { | |
3535 | log_error("Failed to verify owner of bus."); | |
3536 | goto finish; | |
3537 | } | |
3538 | ||
d55ae9e6 LP |
3539 | if (!(m = dbus_message_new_method_call( |
3540 | "com.ubuntu.Upstart", | |
3541 | "/com/ubuntu/Upstart", | |
3542 | "com.ubuntu.Upstart0_6", | |
3543 | "EmitEvent"))) { | |
3544 | ||
3545 | log_error("Could not allocate message."); | |
f1c5860b LP |
3546 | r = -ENOMEM; |
3547 | goto finish; | |
d55ae9e6 LP |
3548 | } |
3549 | ||
3550 | dbus_message_iter_init_append(m, &iter); | |
3551 | ||
3552 | env1_buf[sizeof(env1_buf)-2] = rl; | |
3553 | env2_buf[sizeof(env2_buf)-2] = previous; | |
3554 | ||
3555 | if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &emit) || | |
3556 | !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub) || | |
3557 | !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env1) || | |
3558 | !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &env2) || | |
3559 | !dbus_message_iter_close_container(&iter, &sub) || | |
3560 | !dbus_message_iter_append_basic(&iter, DBUS_TYPE_BOOLEAN, &b_false)) { | |
3561 | log_error("Could not append arguments to message."); | |
3562 | r = -ENOMEM; | |
3563 | goto finish; | |
3564 | } | |
3565 | ||
3566 | if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) { | |
3567 | ||
3568 | if (error_is_no_service(&error)) { | |
3569 | r = 0; | |
3570 | goto finish; | |
3571 | } | |
3572 | ||
3573 | log_error("Failed to issue method call: %s", error.message); | |
3574 | r = -EIO; | |
3575 | goto finish; | |
3576 | } | |
3577 | ||
3578 | r = 1; | |
3579 | ||
3580 | finish: | |
3581 | if (m) | |
3582 | dbus_message_unref(m); | |
3583 | ||
3584 | if (reply) | |
3585 | dbus_message_unref(reply); | |
3586 | ||
b574246b LP |
3587 | if (bus) { |
3588 | dbus_connection_close(bus); | |
f1c5860b | 3589 | dbus_connection_unref(bus); |
b574246b | 3590 | } |
f1c5860b | 3591 | |
d55ae9e6 LP |
3592 | dbus_error_free(&error); |
3593 | ||
3594 | return r; | |
3595 | } | |
3596 | ||
3597 | static int talk_initctl(void) { | |
eb22ac37 LP |
3598 | struct init_request request; |
3599 | int r, fd; | |
d55ae9e6 | 3600 | char rl; |
eb22ac37 | 3601 | |
d55ae9e6 | 3602 | if (!(rl = action_to_runlevel())) |
eb22ac37 LP |
3603 | return 0; |
3604 | ||
3605 | zero(request); | |
3606 | request.magic = INIT_MAGIC; | |
3607 | request.sleeptime = 0; | |
3608 | request.cmd = INIT_CMD_RUNLVL; | |
d55ae9e6 LP |
3609 | request.runlevel = rl; |
3610 | ||
3611 | if ((fd = open(INIT_FIFO, O_WRONLY|O_NDELAY|O_CLOEXEC|O_NOCTTY)) < 0) { | |
3612 | ||
3613 | if (errno == ENOENT) | |
3614 | return 0; | |
eb22ac37 | 3615 | |
d55ae9e6 | 3616 | log_error("Failed to open "INIT_FIFO": %m"); |
eb22ac37 | 3617 | return -errno; |
d55ae9e6 | 3618 | } |
eb22ac37 | 3619 | |
d55ae9e6 | 3620 | errno = 0; |
eb22ac37 LP |
3621 | r = loop_write(fd, &request, sizeof(request), false) != sizeof(request); |
3622 | close_nointr_nofail(fd); | |
3623 | ||
d55ae9e6 LP |
3624 | if (r < 0) { |
3625 | log_error("Failed to write to "INIT_FIFO": %m"); | |
eb22ac37 | 3626 | return errno ? -errno : -EIO; |
d55ae9e6 | 3627 | } |
eb22ac37 LP |
3628 | |
3629 | return 1; | |
e4b61340 LP |
3630 | } |
3631 | ||
3632 | static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) { | |
7e4249b9 | 3633 | |
7e4249b9 LP |
3634 | static const struct { |
3635 | const char* verb; | |
3636 | const enum { | |
3637 | MORE, | |
3638 | LESS, | |
3639 | EQUAL | |
3640 | } argc_cmp; | |
3641 | const int argc; | |
3642 | int (* const dispatch)(DBusConnection *bus, char **args, unsigned n); | |
3643 | } verbs[] = { | |
3644 | { "list-units", LESS, 1, list_units }, | |
3645 | { "list-jobs", EQUAL, 1, list_jobs }, | |
3646 | { "clear-jobs", EQUAL, 1, clear_jobs }, | |
3647 | { "load", MORE, 2, load_unit }, | |
3648 | { "cancel", MORE, 2, cancel_job }, | |
3649 | { "start", MORE, 2, start_unit }, | |
3650 | { "stop", MORE, 2, start_unit }, | |
3651 | { "reload", MORE, 2, start_unit }, | |
3652 | { "restart", MORE, 2, start_unit }, | |
6f28c033 LP |
3653 | { "try-restart", MORE, 2, start_unit }, |
3654 | { "reload-or-restart", MORE, 2, start_unit }, | |
3655 | { "reload-or-try-restart", MORE, 2, start_unit }, | |
e4b61340 | 3656 | { "isolate", EQUAL, 2, start_unit }, |
0183528f | 3657 | { "check", MORE, 2, check_unit }, |
48220598 | 3658 | { "show", MORE, 1, show }, |
61cbdc4b | 3659 | { "status", MORE, 2, show }, |
7e4249b9 LP |
3660 | { "monitor", EQUAL, 1, monitor }, |
3661 | { "dump", EQUAL, 1, dump }, | |
4445a875 | 3662 | { "dot", EQUAL, 1, dot }, |
7e4249b9 | 3663 | { "snapshot", LESS, 2, snapshot }, |
6759e7a7 | 3664 | { "delete", MORE, 2, delete_snapshot }, |
7e4249b9 LP |
3665 | { "daemon-reload", EQUAL, 1, clear_jobs }, |
3666 | { "daemon-reexec", EQUAL, 1, clear_jobs }, | |
3667 | { "daemon-exit", EQUAL, 1, clear_jobs }, | |
3668 | { "show-environment", EQUAL, 1, show_enviroment }, | |
3669 | { "set-environment", MORE, 2, set_environment }, | |
3670 | { "unset-environment", MORE, 2, set_environment }, | |
514f4ef5 LP |
3671 | { "halt", EQUAL, 1, start_special }, |
3672 | { "poweroff", EQUAL, 1, start_special }, | |
3673 | { "reboot", EQUAL, 1, start_special }, | |
3674 | { "default", EQUAL, 1, start_special }, | |
3675 | { "rescue", EQUAL, 1, start_special }, | |
4445a875 | 3676 | { "emergency", EQUAL, 1, start_special }, |
5632e374 | 3677 | { "reset-maintenance", MORE, 1, reset_maintenance }, |
7e4249b9 LP |
3678 | }; |
3679 | ||
e4b61340 | 3680 | int left; |
7e4249b9 | 3681 | unsigned i; |
7e4249b9 | 3682 | |
e4b61340 LP |
3683 | assert(bus); |
3684 | assert(argc >= 0); | |
3685 | assert(argv); | |
7e4249b9 LP |
3686 | |
3687 | left = argc - optind; | |
3688 | ||
3689 | if (left <= 0) | |
3690 | /* Special rule: no arguments means "list-units" */ | |
3691 | i = 0; | |
3692 | else { | |
0183528f LP |
3693 | if (streq(argv[optind], "help")) { |
3694 | systemctl_help(); | |
3695 | return 0; | |
3696 | } | |
3697 | ||
7e4249b9 LP |
3698 | for (i = 0; i < ELEMENTSOF(verbs); i++) |
3699 | if (streq(argv[optind], verbs[i].verb)) | |
3700 | break; | |
3701 | ||
3702 | if (i >= ELEMENTSOF(verbs)) { | |
3703 | log_error("Unknown operation %s", argv[optind]); | |
e4b61340 | 3704 | return -EINVAL; |
7e4249b9 LP |
3705 | } |
3706 | } | |
3707 | ||
3708 | switch (verbs[i].argc_cmp) { | |
3709 | ||
3710 | case EQUAL: | |
3711 | if (left != verbs[i].argc) { | |
3712 | log_error("Invalid number of arguments."); | |
e4b61340 | 3713 | return -EINVAL; |
7e4249b9 LP |
3714 | } |
3715 | ||
3716 | break; | |
3717 | ||
3718 | case MORE: | |
3719 | if (left < verbs[i].argc) { | |
3720 | log_error("Too few arguments."); | |
e4b61340 | 3721 | return -EINVAL; |
7e4249b9 LP |
3722 | } |
3723 | ||
3724 | break; | |
3725 | ||
3726 | case LESS: | |
3727 | if (left > verbs[i].argc) { | |
3728 | log_error("Too many arguments."); | |
e4b61340 | 3729 | return -EINVAL; |
7e4249b9 LP |
3730 | } |
3731 | ||
3732 | break; | |
3733 | ||
3734 | default: | |
3735 | assert_not_reached("Unknown comparison operator."); | |
3736 | } | |
3737 | ||
e4b61340 LP |
3738 | return verbs[i].dispatch(bus, argv + optind, left); |
3739 | } | |
3740 | ||
3741 | static int reload_with_fallback(DBusConnection *bus) { | |
3742 | int r; | |
3743 | ||
3744 | if (bus) { | |
3745 | /* First, try systemd via D-Bus. */ | |
3746 | if ((r = clear_jobs(bus, NULL, 0)) > 0) | |
3747 | return 0; | |
3748 | } | |
3749 | ||
3750 | /* Nothing else worked, so let's try signals */ | |
3751 | assert(arg_action == ACTION_RELOAD || arg_action == ACTION_REEXEC); | |
3752 | ||
3753 | if (kill(1, arg_action == ACTION_RELOAD ? SIGHUP : SIGTERM) < 0) { | |
3754 | log_error("kill() failed: %m"); | |
3755 | return -errno; | |
3756 | } | |
3757 | ||
3758 | return 0; | |
3759 | } | |
3760 | ||
3761 | static int start_with_fallback(DBusConnection *bus) { | |
3762 | int r; | |
3763 | ||
ef2f1067 | 3764 | |
e4b61340 LP |
3765 | if (bus) { |
3766 | /* First, try systemd via D-Bus. */ | |
3767 | if ((r = start_unit(bus, NULL, 0)) > 0) | |
983d9c90 | 3768 | goto done; |
e4b61340 LP |
3769 | |
3770 | /* Hmm, talking to systemd via D-Bus didn't work. Then | |
3771 | * let's try to talk to Upstart via D-Bus. */ | |
f1c5860b | 3772 | if ((r = talk_upstart()) > 0) |
983d9c90 | 3773 | goto done; |
e4b61340 LP |
3774 | } |
3775 | ||
3776 | /* Nothing else worked, so let's try | |
3777 | * /dev/initctl */ | |
d55ae9e6 | 3778 | if ((r = talk_initctl()) != 0) |
983d9c90 | 3779 | goto done; |
d55ae9e6 LP |
3780 | |
3781 | log_error("Failed to talk to init daemon."); | |
3782 | return -EIO; | |
983d9c90 LP |
3783 | |
3784 | done: | |
3785 | warn_wall(arg_action); | |
3786 | return 0; | |
e4b61340 LP |
3787 | } |
3788 | ||
3789 | static int halt_main(DBusConnection *bus) { | |
3790 | int r; | |
3791 | ||
bc8c2f5c LP |
3792 | if (geteuid() != 0) { |
3793 | log_error("Must to be root."); | |
3794 | return -EPERM; | |
3795 | } | |
3796 | ||
d47b555b | 3797 | if (!arg_dry && !arg_immediate) |
e4b61340 LP |
3798 | return start_with_fallback(bus); |
3799 | ||
3800 | if (!arg_no_wtmp) | |
3801 | if ((r = utmp_put_shutdown(0)) < 0) | |
3802 | log_warning("Failed to write utmp record: %s", strerror(-r)); | |
3803 | ||
3804 | if (!arg_no_sync) | |
3805 | sync(); | |
3806 | ||
3807 | if (arg_dry) | |
3808 | return 0; | |
3809 | ||
3810 | /* Make sure C-A-D is handled by the kernel from this | |
3811 | * point on... */ | |
3812 | reboot(RB_ENABLE_CAD); | |
3813 | ||
3814 | switch (arg_action) { | |
3815 | ||
3816 | case ACTION_HALT: | |
3817 | log_info("Halting"); | |
3818 | reboot(RB_HALT_SYSTEM); | |
3819 | break; | |
3820 | ||
3821 | case ACTION_POWEROFF: | |
3822 | log_info("Powering off"); | |
3823 | reboot(RB_POWER_OFF); | |
3824 | break; | |
3825 | ||
3826 | case ACTION_REBOOT: | |
3827 | log_info("Rebooting"); | |
3828 | reboot(RB_AUTOBOOT); | |
3829 | break; | |
3830 | ||
3831 | default: | |
3832 | assert_not_reached("Unknown halt action."); | |
3833 | } | |
3834 | ||
3835 | /* We should never reach this. */ | |
3836 | return -ENOSYS; | |
3837 | } | |
3838 | ||
3839 | static int runlevel_main(void) { | |
3840 | int r, runlevel, previous; | |
3841 | ||
3842 | if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) { | |
3843 | printf("unknown"); | |
3844 | return r; | |
3845 | } | |
3846 | ||
3847 | printf("%c %c\n", | |
3848 | previous <= 0 ? 'N' : previous, | |
3849 | runlevel <= 0 ? 'N' : runlevel); | |
3850 | ||
3851 | return 0; | |
3852 | } | |
3853 | ||
3854 | int main(int argc, char*argv[]) { | |
3855 | int r, retval = 1; | |
3856 | DBusConnection *bus = NULL; | |
3857 | DBusError error; | |
3858 | ||
3859 | dbus_error_init(&error); | |
3860 | ||
3861 | log_parse_environment(); | |
3862 | ||
3863 | if ((r = parse_argv(argc, argv)) < 0) | |
3864 | goto finish; | |
3865 | else if (r == 0) { | |
3866 | retval = 0; | |
7e4249b9 LP |
3867 | goto finish; |
3868 | } | |
3869 | ||
e4b61340 LP |
3870 | /* /sbin/runlevel doesn't need to communicate via D-Bus, so |
3871 | * let's shortcut this */ | |
3872 | if (arg_action == ACTION_RUNLEVEL) { | |
3873 | retval = runlevel_main() < 0; | |
3874 | goto finish; | |
3875 | } | |
3876 | ||
f4579ce7 | 3877 | bus_connect(arg_session ? DBUS_BUS_SESSION : DBUS_BUS_SYSTEM, &bus, &private_bus, &error); |
e4b61340 LP |
3878 | |
3879 | switch (arg_action) { | |
3880 | ||
3881 | case ACTION_SYSTEMCTL: { | |
3882 | ||
3883 | if (!bus) { | |
3884 | log_error("Failed to get D-Bus connection: %s", error.message); | |
3885 | goto finish; | |
3886 | } | |
3887 | ||
3888 | retval = systemctl_main(bus, argc, argv) < 0; | |
3889 | break; | |
3890 | } | |
3891 | ||
3892 | case ACTION_HALT: | |
3893 | case ACTION_POWEROFF: | |
3894 | case ACTION_REBOOT: | |
3895 | retval = halt_main(bus) < 0; | |
3896 | break; | |
3897 | ||
e4b61340 LP |
3898 | case ACTION_RUNLEVEL2: |
3899 | case ACTION_RUNLEVEL3: | |
3900 | case ACTION_RUNLEVEL4: | |
3901 | case ACTION_RUNLEVEL5: | |
3902 | case ACTION_RESCUE: | |
514f4ef5 | 3903 | case ACTION_EMERGENCY: |
eb22ac37 | 3904 | case ACTION_DEFAULT: |
e4b61340 LP |
3905 | retval = start_with_fallback(bus) < 0; |
3906 | break; | |
7e4249b9 | 3907 | |
e4b61340 LP |
3908 | case ACTION_RELOAD: |
3909 | case ACTION_REEXEC: | |
3910 | retval = reload_with_fallback(bus) < 0; | |
3911 | break; | |
3912 | ||
eb22ac37 LP |
3913 | case ACTION_INVALID: |
3914 | case ACTION_RUNLEVEL: | |
e4b61340 LP |
3915 | default: |
3916 | assert_not_reached("Unknown action"); | |
3917 | } | |
7e4249b9 LP |
3918 | |
3919 | finish: | |
3920 | ||
b574246b LP |
3921 | if (bus) { |
3922 | dbus_connection_close(bus); | |
7e4249b9 | 3923 | dbus_connection_unref(bus); |
b574246b | 3924 | } |
7e4249b9 | 3925 | |
e4b61340 LP |
3926 | dbus_error_free(&error); |
3927 | ||
7e4249b9 LP |
3928 | dbus_shutdown(); |
3929 | ||
3930 | return retval; | |
3931 | } |