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a032b68d | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
663996b3 MS |
2 | |
3 | #include <errno.h> | |
bb4f798a | 4 | #include <sys/stat.h> |
663996b3 | 5 | #include <unistd.h> |
663996b3 | 6 | |
6e866b33 | 7 | #include "sd-device.h" |
60f067b4 | 8 | #include "sd-messages.h" |
db2df898 MP |
9 | |
10 | #include "alloc-util.h" | |
11 | #include "audit-util.h" | |
bb4f798a | 12 | #include "bootspec.h" |
f47781d8 | 13 | #include "bus-common-errors.h" |
db2df898 | 14 | #include "bus-error.h" |
a10f5d05 MB |
15 | #include "bus-get-properties.h" |
16 | #include "bus-locator.h" | |
97e5042f | 17 | #include "bus-polkit.h" |
b012e921 | 18 | #include "bus-unit-util.h" |
db2df898 | 19 | #include "bus-util.h" |
6e866b33 MB |
20 | #include "cgroup-util.h" |
21 | #include "device-util.h" | |
db2df898 | 22 | #include "dirent-util.h" |
f5caa8fa | 23 | #include "efi-api.h" |
e1f67bc7 | 24 | #include "efi-loader.h" |
97e5042f | 25 | #include "efivars.h" |
f5caa8fa | 26 | #include "env-file.h" |
bb4f798a | 27 | #include "env-util.h" |
db2df898 | 28 | #include "escape.h" |
f5caa8fa | 29 | #include "event-util.h" |
db2df898 MP |
30 | #include "fd-util.h" |
31 | #include "fileio-label.h" | |
6e866b33 | 32 | #include "fileio.h" |
2897b343 | 33 | #include "format-util.h" |
db2df898 | 34 | #include "fs-util.h" |
f5caa8fa | 35 | #include "logind-action.h" |
f2dec872 | 36 | #include "logind-dbus.h" |
3a6ce677 | 37 | #include "logind-polkit.h" |
f2dec872 BR |
38 | #include "logind-seat-dbus.h" |
39 | #include "logind-session-dbus.h" | |
40 | #include "logind-user-dbus.h" | |
db2df898 | 41 | #include "logind.h" |
6e866b33 | 42 | #include "missing_capability.h" |
ea0999c9 | 43 | #include "mkdir-label.h" |
bb4f798a | 44 | #include "parse-util.h" |
db2df898 | 45 | #include "path-util.h" |
e3bff60a | 46 | #include "process-util.h" |
bb4f798a | 47 | #include "reboot-util.h" |
db2df898 MP |
48 | #include "selinux-util.h" |
49 | #include "sleep-config.h" | |
50 | #include "special.h" | |
f5caa8fa | 51 | #include "serialize.h" |
bb4f798a | 52 | #include "stdio-util.h" |
db2df898 | 53 | #include "strv.h" |
e3bff60a | 54 | #include "terminal-util.h" |
6e866b33 | 55 | #include "tmpfile-util.h" |
db2df898 MP |
56 | #include "unit-name.h" |
57 | #include "user-util.h" | |
e3bff60a | 58 | #include "utmp-wtmp.h" |
bb4f798a | 59 | #include "virt.h" |
e735f4d4 | 60 | |
f5caa8fa MB |
61 | /* As a random fun fact sysvinit had a 252 (256-(strlen(" \r\n")+1)) |
62 | * character limit for the wall message. | |
63 | * https://git.savannah.nongnu.org/cgit/sysvinit.git/tree/src/shutdown.c#n72 | |
64 | * There is no real technical need for that but doesn't make sense | |
65 | * to store arbitrary amounts either. As we are not stingy here, we | |
66 | * allow 4k. | |
67 | */ | |
086111aa | 68 | #define WALL_MESSAGE_MAX 4096U |
f5caa8fa MB |
69 | |
70 | #define SHUTDOWN_SCHEDULE_FILE "/run/systemd/shutdown/scheduled" | |
71 | ||
72 | static int update_schedule_file(Manager *m); | |
73 | static void reset_scheduled_shutdown(Manager *m); | |
74 | static int manager_setup_shutdown_timers(Manager* m); | |
75 | ||
f2dec872 BR |
76 | static int get_sender_session( |
77 | Manager *m, | |
78 | sd_bus_message *message, | |
79 | bool consult_display, | |
80 | sd_bus_error *error, | |
81 | Session **ret) { | |
52ad194e | 82 | |
4c89c718 | 83 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
f2dec872 | 84 | Session *session = NULL; |
52ad194e | 85 | const char *name; |
e735f4d4 MP |
86 | int r; |
87 | ||
f2dec872 BR |
88 | /* Acquire the sender's session. This first checks if the sending process is inside a session itself, |
89 | * and returns that. If not and 'consult_display' is true, this returns the display session of the | |
90 | * owning user of the caller. */ | |
91 | ||
92 | r = sd_bus_query_sender_creds(message, | |
93 | SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT| | |
94 | (consult_display ? SD_BUS_CREDS_OWNER_UID : 0), &creds); | |
52ad194e MB |
95 | if (r < 0) |
96 | return r; | |
97 | ||
98 | r = sd_bus_creds_get_session(creds, &name); | |
f2dec872 BR |
99 | if (r < 0) { |
100 | if (r != -ENXIO) | |
101 | return r; | |
102 | ||
103 | if (consult_display) { | |
104 | uid_t uid; | |
105 | ||
106 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
107 | if (r < 0) { | |
108 | if (r != -ENXIO) | |
109 | return r; | |
110 | } else { | |
111 | User *user; | |
112 | ||
113 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
114 | if (user) | |
115 | session = user->display; | |
116 | } | |
117 | } | |
118 | } else | |
119 | session = hashmap_get(m->sessions, name); | |
52ad194e | 120 | |
52ad194e | 121 | if (!session) |
f2dec872 BR |
122 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, |
123 | consult_display ? | |
124 | "Caller does not belong to any known session and doesn't own any suitable session." : | |
125 | "Caller does not belong to any known session."); | |
52ad194e MB |
126 | |
127 | *ret = session; | |
128 | return 0; | |
52ad194e MB |
129 | } |
130 | ||
f2dec872 BR |
131 | int manager_get_session_from_creds( |
132 | Manager *m, | |
133 | sd_bus_message *message, | |
134 | const char *name, | |
135 | sd_bus_error *error, | |
136 | Session **ret) { | |
137 | ||
52ad194e MB |
138 | Session *session; |
139 | ||
e735f4d4 | 140 | assert(m); |
e735f4d4 MP |
141 | assert(ret); |
142 | ||
f2dec872 BR |
143 | if (SEAT_IS_SELF(name)) /* the caller's own session */ |
144 | return get_sender_session(m, message, false, error, ret); | |
145 | if (SEAT_IS_AUTO(name)) /* The caller's own session if they have one, otherwise their user's display session */ | |
146 | return get_sender_session(m, message, true, error, ret); | |
e735f4d4 MP |
147 | |
148 | session = hashmap_get(m->sessions, name); | |
149 | if (!session) | |
150 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); | |
151 | ||
152 | *ret = session; | |
153 | return 0; | |
154 | } | |
155 | ||
52ad194e | 156 | static int get_sender_user(Manager *m, sd_bus_message *message, sd_bus_error *error, User **ret) { |
52ad194e MB |
157 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
158 | uid_t uid; | |
e735f4d4 MP |
159 | User *user; |
160 | int r; | |
161 | ||
52ad194e MB |
162 | /* Note that we get the owner UID of the session, not the actual client UID here! */ |
163 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
164 | if (r < 0) | |
165 | return r; | |
166 | ||
167 | r = sd_bus_creds_get_owner_uid(creds, &uid); | |
f2dec872 BR |
168 | if (r < 0) { |
169 | if (r != -ENXIO) | |
170 | return r; | |
171 | ||
172 | user = NULL; | |
173 | } else | |
174 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
52ad194e | 175 | |
52ad194e | 176 | if (!user) |
f2dec872 BR |
177 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
178 | "Caller does not belong to any logged in or lingering user"); | |
52ad194e MB |
179 | |
180 | *ret = user; | |
181 | return 0; | |
52ad194e MB |
182 | } |
183 | ||
184 | int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { | |
185 | User *user; | |
186 | ||
e735f4d4 | 187 | assert(m); |
e735f4d4 MP |
188 | assert(ret); |
189 | ||
52ad194e MB |
190 | if (!uid_is_valid(uid)) |
191 | return get_sender_user(m, message, error, ret); | |
e735f4d4 MP |
192 | |
193 | user = hashmap_get(m->users, UID_TO_PTR(uid)); | |
194 | if (!user) | |
bb4f798a MB |
195 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, |
196 | "User ID "UID_FMT" is not logged in or lingering", uid); | |
e735f4d4 MP |
197 | |
198 | *ret = user; | |
199 | return 0; | |
200 | } | |
201 | ||
f2dec872 BR |
202 | int manager_get_seat_from_creds( |
203 | Manager *m, | |
204 | sd_bus_message *message, | |
205 | const char *name, | |
206 | sd_bus_error *error, | |
207 | Seat **ret) { | |
208 | ||
e735f4d4 MP |
209 | Seat *seat; |
210 | int r; | |
211 | ||
212 | assert(m); | |
e735f4d4 MP |
213 | assert(ret); |
214 | ||
f2dec872 | 215 | if (SEAT_IS_SELF(name) || SEAT_IS_AUTO(name)) { |
e735f4d4 MP |
216 | Session *session; |
217 | ||
f2dec872 BR |
218 | /* Use these special seat names as session names */ |
219 | r = manager_get_session_from_creds(m, message, name, error, &session); | |
e735f4d4 MP |
220 | if (r < 0) |
221 | return r; | |
222 | ||
223 | seat = session->seat; | |
e735f4d4 | 224 | if (!seat) |
f2dec872 | 225 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session '%s' has no seat.", session->id); |
e735f4d4 MP |
226 | } else { |
227 | seat = hashmap_get(m->seats, name); | |
228 | if (!seat) | |
229 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); | |
230 | } | |
231 | ||
232 | *ret = seat; | |
233 | return 0; | |
234 | } | |
663996b3 | 235 | |
bb4f798a MB |
236 | static int return_test_polkit( |
237 | sd_bus_message *message, | |
238 | int capability, | |
239 | const char *action, | |
240 | const char **details, | |
241 | uid_t good_user, | |
242 | sd_bus_error *e) { | |
243 | ||
244 | const char *result; | |
245 | bool challenge; | |
246 | int r; | |
247 | ||
248 | r = bus_test_polkit(message, capability, action, details, good_user, &challenge, e); | |
249 | if (r < 0) | |
250 | return r; | |
251 | ||
252 | if (r > 0) | |
253 | result = "yes"; | |
254 | else if (challenge) | |
255 | result = "challenge"; | |
256 | else | |
257 | result = "no"; | |
258 | ||
259 | return sd_bus_reply_method_return(message, "s", result); | |
260 | } | |
261 | ||
60f067b4 JS |
262 | static int property_get_idle_hint( |
263 | sd_bus *bus, | |
264 | const char *path, | |
265 | const char *interface, | |
266 | const char *property, | |
267 | sd_bus_message *reply, | |
268 | void *userdata, | |
269 | sd_bus_error *error) { | |
663996b3 | 270 | |
086111aa | 271 | Manager *m = ASSERT_PTR(userdata); |
663996b3 | 272 | |
60f067b4 JS |
273 | assert(bus); |
274 | assert(reply); | |
60f067b4 JS |
275 | |
276 | return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); | |
663996b3 MS |
277 | } |
278 | ||
60f067b4 JS |
279 | static int property_get_idle_since_hint( |
280 | sd_bus *bus, | |
281 | const char *path, | |
282 | const char *interface, | |
283 | const char *property, | |
284 | sd_bus_message *reply, | |
285 | void *userdata, | |
286 | sd_bus_error *error) { | |
287 | ||
086111aa | 288 | Manager *m = ASSERT_PTR(userdata); |
86f210e9 | 289 | dual_timestamp t = DUAL_TIMESTAMP_NULL; |
663996b3 | 290 | |
60f067b4 JS |
291 | assert(bus); |
292 | assert(reply); | |
663996b3 MS |
293 | |
294 | manager_get_idle_hint(m, &t); | |
663996b3 | 295 | |
60f067b4 | 296 | return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); |
663996b3 MS |
297 | } |
298 | ||
60f067b4 JS |
299 | static int property_get_inhibited( |
300 | sd_bus *bus, | |
301 | const char *path, | |
302 | const char *interface, | |
303 | const char *property, | |
304 | sd_bus_message *reply, | |
305 | void *userdata, | |
306 | sd_bus_error *error) { | |
307 | ||
086111aa | 308 | Manager *m = ASSERT_PTR(userdata); |
663996b3 | 309 | InhibitWhat w; |
663996b3 | 310 | |
60f067b4 JS |
311 | assert(bus); |
312 | assert(reply); | |
663996b3 | 313 | |
60f067b4 | 314 | w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); |
663996b3 | 315 | |
60f067b4 | 316 | return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); |
663996b3 MS |
317 | } |
318 | ||
60f067b4 JS |
319 | static int property_get_preparing( |
320 | sd_bus *bus, | |
321 | const char *path, | |
322 | const char *interface, | |
323 | const char *property, | |
324 | sd_bus_message *reply, | |
325 | void *userdata, | |
326 | sd_bus_error *error) { | |
327 | ||
086111aa | 328 | Manager *m = ASSERT_PTR(userdata); |
f5caa8fa | 329 | bool b = false; |
663996b3 | 330 | |
60f067b4 JS |
331 | assert(bus); |
332 | assert(reply); | |
663996b3 | 333 | |
f5caa8fa MB |
334 | if (m->delayed_action) { |
335 | if (streq(property, "PreparingForShutdown")) | |
336 | b = m->delayed_action->inhibit_what & INHIBIT_SHUTDOWN; | |
337 | else | |
338 | b = m->delayed_action->inhibit_what & INHIBIT_SLEEP; | |
339 | } | |
663996b3 | 340 | |
60f067b4 | 341 | return sd_bus_message_append(reply, "b", b); |
663996b3 MS |
342 | } |
343 | ||
e3bff60a MP |
344 | static int property_get_scheduled_shutdown( |
345 | sd_bus *bus, | |
346 | const char *path, | |
347 | const char *interface, | |
348 | const char *property, | |
349 | sd_bus_message *reply, | |
350 | void *userdata, | |
351 | sd_bus_error *error) { | |
352 | ||
086111aa | 353 | Manager *m = ASSERT_PTR(userdata); |
e3bff60a MP |
354 | int r; |
355 | ||
356 | assert(bus); | |
357 | assert(reply); | |
e3bff60a MP |
358 | |
359 | r = sd_bus_message_open_container(reply, 'r', "st"); | |
360 | if (r < 0) | |
361 | return r; | |
362 | ||
f5caa8fa MB |
363 | r = sd_bus_message_append(reply, "st", |
364 | m->scheduled_shutdown_action ? handle_action_to_string(m->scheduled_shutdown_action->handle) : NULL, | |
365 | m->scheduled_shutdown_timeout); | |
e3bff60a MP |
366 | if (r < 0) |
367 | return r; | |
368 | ||
369 | return sd_bus_message_close_container(reply); | |
370 | } | |
371 | ||
60f067b4 | 372 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); |
b012e921 | 373 | static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays); |
6e866b33 | 374 | static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed); |
928cf965 | 375 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_on_external_power, "b", manager_is_on_external_power()); |
b012e921 MB |
376 | static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX); |
377 | static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size); | |
aa27b158 | 378 | |
e3bff60a | 379 | static int method_get_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 380 | _cleanup_free_ char *p = NULL; |
086111aa | 381 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
382 | const char *name; |
383 | Session *session; | |
384 | int r; | |
385 | ||
60f067b4 | 386 | assert(message); |
60f067b4 JS |
387 | |
388 | r = sd_bus_message_read(message, "s", &name); | |
389 | if (r < 0) | |
390 | return r; | |
391 | ||
e735f4d4 MP |
392 | r = manager_get_session_from_creds(m, message, name, error, &session); |
393 | if (r < 0) | |
394 | return r; | |
60f067b4 JS |
395 | |
396 | p = session_bus_path(session); | |
397 | if (!p) | |
398 | return -ENOMEM; | |
399 | ||
400 | return sd_bus_reply_method_return(message, "o", p); | |
401 | } | |
402 | ||
52ad194e MB |
403 | /* Get login session of a process. This is not what you are looking for these days, |
404 | * as apps may instead belong to a user service unit. This includes terminal | |
405 | * emulators and hence command-line apps. */ | |
e3bff60a | 406 | static int method_get_session_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 407 | _cleanup_free_ char *p = NULL; |
663996b3 | 408 | Session *session = NULL; |
086111aa | 409 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
410 | pid_t pid; |
411 | int r; | |
412 | ||
60f067b4 | 413 | assert(message); |
60f067b4 JS |
414 | |
415 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
416 | ||
417 | r = sd_bus_message_read(message, "u", &pid); | |
418 | if (r < 0) | |
419 | return r; | |
db2df898 MP |
420 | if (pid < 0) |
421 | return -EINVAL; | |
60f067b4 | 422 | |
db2df898 | 423 | if (pid == 0) { |
e735f4d4 | 424 | r = manager_get_session_from_creds(m, message, NULL, error, &session); |
60f067b4 JS |
425 | if (r < 0) |
426 | return r; | |
e735f4d4 MP |
427 | } else { |
428 | r = manager_get_session_by_pid(m, pid, &session); | |
60f067b4 JS |
429 | if (r < 0) |
430 | return r; | |
60f067b4 | 431 | |
e735f4d4 | 432 | if (!session) |
bb4f798a MB |
433 | return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, |
434 | "PID "PID_FMT" does not belong to any known session", pid); | |
e735f4d4 | 435 | } |
60f067b4 JS |
436 | |
437 | p = session_bus_path(session); | |
438 | if (!p) | |
439 | return -ENOMEM; | |
440 | ||
441 | return sd_bus_reply_method_return(message, "o", p); | |
442 | } | |
443 | ||
e3bff60a | 444 | static int method_get_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 445 | _cleanup_free_ char *p = NULL; |
086111aa | 446 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
447 | uint32_t uid; |
448 | User *user; | |
449 | int r; | |
450 | ||
60f067b4 | 451 | assert(message); |
60f067b4 JS |
452 | |
453 | r = sd_bus_message_read(message, "u", &uid); | |
454 | if (r < 0) | |
455 | return r; | |
456 | ||
e735f4d4 MP |
457 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
458 | if (r < 0) | |
459 | return r; | |
60f067b4 JS |
460 | |
461 | p = user_bus_path(user); | |
462 | if (!p) | |
463 | return -ENOMEM; | |
464 | ||
465 | return sd_bus_reply_method_return(message, "o", p); | |
466 | } | |
467 | ||
e3bff60a | 468 | static int method_get_user_by_pid(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 469 | _cleanup_free_ char *p = NULL; |
086111aa | 470 | Manager *m = ASSERT_PTR(userdata); |
663996b3 | 471 | User *user = NULL; |
60f067b4 | 472 | pid_t pid; |
14228c0d | 473 | int r; |
663996b3 | 474 | |
60f067b4 | 475 | assert(message); |
60f067b4 JS |
476 | |
477 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
478 | ||
479 | r = sd_bus_message_read(message, "u", &pid); | |
480 | if (r < 0) | |
481 | return r; | |
db2df898 MP |
482 | if (pid < 0) |
483 | return -EINVAL; | |
60f067b4 | 484 | |
db2df898 | 485 | if (pid == 0) { |
e735f4d4 | 486 | r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); |
60f067b4 JS |
487 | if (r < 0) |
488 | return r; | |
e735f4d4 MP |
489 | } else { |
490 | r = manager_get_user_by_pid(m, pid, &user); | |
60f067b4 JS |
491 | if (r < 0) |
492 | return r; | |
e735f4d4 | 493 | if (!user) |
52ad194e MB |
494 | return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, |
495 | "PID "PID_FMT" does not belong to any logged in user or lingering user", | |
496 | pid); | |
60f067b4 JS |
497 | } |
498 | ||
60f067b4 JS |
499 | p = user_bus_path(user); |
500 | if (!p) | |
501 | return -ENOMEM; | |
502 | ||
503 | return sd_bus_reply_method_return(message, "o", p); | |
504 | } | |
505 | ||
e3bff60a | 506 | static int method_get_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 507 | _cleanup_free_ char *p = NULL; |
086111aa | 508 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
509 | const char *name; |
510 | Seat *seat; | |
511 | int r; | |
512 | ||
663996b3 | 513 | assert(message); |
663996b3 | 514 | |
60f067b4 JS |
515 | r = sd_bus_message_read(message, "s", &name); |
516 | if (r < 0) | |
517 | return r; | |
663996b3 | 518 | |
e735f4d4 MP |
519 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
520 | if (r < 0) | |
521 | return r; | |
663996b3 | 522 | |
60f067b4 JS |
523 | p = seat_bus_path(seat); |
524 | if (!p) | |
525 | return -ENOMEM; | |
663996b3 | 526 | |
60f067b4 JS |
527 | return sd_bus_reply_method_return(message, "o", p); |
528 | } | |
663996b3 | 529 | |
e3bff60a | 530 | static int method_list_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4c89c718 | 531 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
086111aa | 532 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 533 | Session *session; |
60f067b4 | 534 | int r; |
663996b3 | 535 | |
60f067b4 | 536 | assert(message); |
663996b3 | 537 | |
60f067b4 JS |
538 | r = sd_bus_message_new_method_return(message, &reply); |
539 | if (r < 0) | |
540 | return r; | |
541 | ||
542 | r = sd_bus_message_open_container(reply, 'a', "(susso)"); | |
543 | if (r < 0) | |
544 | return r; | |
545 | ||
a032b68d | 546 | HASHMAP_FOREACH(session, m->sessions) { |
60f067b4 JS |
547 | _cleanup_free_ char *p = NULL; |
548 | ||
549 | p = session_bus_path(session); | |
550 | if (!p) | |
551 | return -ENOMEM; | |
552 | ||
553 | r = sd_bus_message_append(reply, "(susso)", | |
554 | session->id, | |
46cdbd49 BR |
555 | (uint32_t) session->user->user_record->uid, |
556 | session->user->user_record->user_name, | |
60f067b4 JS |
557 | session->seat ? session->seat->id : "", |
558 | p); | |
559 | if (r < 0) | |
560 | return r; | |
561 | } | |
562 | ||
563 | r = sd_bus_message_close_container(reply); | |
564 | if (r < 0) | |
565 | return r; | |
566 | ||
e3bff60a | 567 | return sd_bus_send(NULL, reply, NULL); |
60f067b4 JS |
568 | } |
569 | ||
e3bff60a | 570 | static int method_list_users(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4c89c718 | 571 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
086111aa | 572 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 573 | User *user; |
60f067b4 JS |
574 | int r; |
575 | ||
60f067b4 | 576 | assert(message); |
60f067b4 JS |
577 | |
578 | r = sd_bus_message_new_method_return(message, &reply); | |
579 | if (r < 0) | |
580 | return r; | |
581 | ||
582 | r = sd_bus_message_open_container(reply, 'a', "(uso)"); | |
583 | if (r < 0) | |
584 | return r; | |
585 | ||
a032b68d | 586 | HASHMAP_FOREACH(user, m->users) { |
60f067b4 JS |
587 | _cleanup_free_ char *p = NULL; |
588 | ||
589 | p = user_bus_path(user); | |
590 | if (!p) | |
591 | return -ENOMEM; | |
592 | ||
593 | r = sd_bus_message_append(reply, "(uso)", | |
46cdbd49 BR |
594 | (uint32_t) user->user_record->uid, |
595 | user->user_record->user_name, | |
60f067b4 JS |
596 | p); |
597 | if (r < 0) | |
598 | return r; | |
599 | } | |
600 | ||
601 | r = sd_bus_message_close_container(reply); | |
602 | if (r < 0) | |
603 | return r; | |
604 | ||
e3bff60a | 605 | return sd_bus_send(NULL, reply, NULL); |
60f067b4 JS |
606 | } |
607 | ||
e3bff60a | 608 | static int method_list_seats(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4c89c718 | 609 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
086111aa | 610 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 611 | Seat *seat; |
60f067b4 JS |
612 | int r; |
613 | ||
60f067b4 | 614 | assert(message); |
60f067b4 JS |
615 | |
616 | r = sd_bus_message_new_method_return(message, &reply); | |
617 | if (r < 0) | |
618 | return r; | |
619 | ||
620 | r = sd_bus_message_open_container(reply, 'a', "(so)"); | |
621 | if (r < 0) | |
622 | return r; | |
623 | ||
a032b68d | 624 | HASHMAP_FOREACH(seat, m->seats) { |
60f067b4 JS |
625 | _cleanup_free_ char *p = NULL; |
626 | ||
627 | p = seat_bus_path(seat); | |
628 | if (!p) | |
629 | return -ENOMEM; | |
630 | ||
631 | r = sd_bus_message_append(reply, "(so)", seat->id, p); | |
632 | if (r < 0) | |
633 | return r; | |
634 | } | |
635 | ||
636 | r = sd_bus_message_close_container(reply); | |
637 | if (r < 0) | |
638 | return r; | |
639 | ||
e3bff60a | 640 | return sd_bus_send(NULL, reply, NULL); |
60f067b4 JS |
641 | } |
642 | ||
e3bff60a | 643 | static int method_list_inhibitors(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4c89c718 | 644 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
086111aa | 645 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 646 | Inhibitor *inhibitor; |
60f067b4 JS |
647 | int r; |
648 | ||
e3bff60a | 649 | assert(message); |
e3bff60a | 650 | |
60f067b4 JS |
651 | r = sd_bus_message_new_method_return(message, &reply); |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
655 | r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); | |
656 | if (r < 0) | |
657 | return r; | |
658 | ||
a032b68d | 659 | HASHMAP_FOREACH(inhibitor, m->inhibitors) { |
60f067b4 JS |
660 | |
661 | r = sd_bus_message_append(reply, "(ssssuu)", | |
662 | strempty(inhibit_what_to_string(inhibitor->what)), | |
663 | strempty(inhibitor->who), | |
664 | strempty(inhibitor->why), | |
665 | strempty(inhibit_mode_to_string(inhibitor->mode)), | |
666 | (uint32_t) inhibitor->uid, | |
667 | (uint32_t) inhibitor->pid); | |
668 | if (r < 0) | |
669 | return r; | |
670 | } | |
671 | ||
672 | r = sd_bus_message_close_container(reply); | |
673 | if (r < 0) | |
674 | return r; | |
675 | ||
e3bff60a | 676 | return sd_bus_send(NULL, reply, NULL); |
60f067b4 JS |
677 | } |
678 | ||
e3bff60a | 679 | static int method_create_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 680 | const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; |
60f067b4 JS |
681 | _cleanup_free_ char *id = NULL; |
682 | Session *session = NULL; | |
b012e921 | 683 | uint32_t audit_id = 0; |
086111aa | 684 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
685 | User *user = NULL; |
686 | Seat *seat = NULL; | |
db2df898 MP |
687 | pid_t leader; |
688 | uid_t uid; | |
60f067b4 JS |
689 | int remote; |
690 | uint32_t vtnr = 0; | |
691 | SessionType t; | |
692 | SessionClass c; | |
693 | int r; | |
694 | ||
60f067b4 | 695 | assert(message); |
60f067b4 | 696 | |
db2df898 MP |
697 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
698 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
699 | ||
bb4f798a MB |
700 | r = sd_bus_message_read(message, "uusssssussbss", |
701 | &uid, &leader, &service, &type, &class, &desktop, &cseat, | |
702 | &vtnr, &tty, &display, &remote, &remote_user, &remote_host); | |
60f067b4 JS |
703 | if (r < 0) |
704 | return r; | |
705 | ||
db2df898 | 706 | if (!uid_is_valid(uid)) |
8b3d4ff0 | 707 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid UID"); |
b012e921 | 708 | if (leader < 0 || leader == 1 || leader == getpid_cached()) |
8b3d4ff0 | 709 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); |
663996b3 | 710 | |
663996b3 MS |
711 | if (isempty(type)) |
712 | t = _SESSION_TYPE_INVALID; | |
713 | else { | |
714 | t = session_type_from_string(type); | |
715 | if (t < 0) | |
bb4f798a MB |
716 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
717 | "Invalid session type %s", type); | |
663996b3 MS |
718 | } |
719 | ||
663996b3 MS |
720 | if (isempty(class)) |
721 | c = _SESSION_CLASS_INVALID; | |
722 | else { | |
723 | c = session_class_from_string(class); | |
724 | if (c < 0) | |
bb4f798a MB |
725 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
726 | "Invalid session class %s", class); | |
663996b3 MS |
727 | } |
728 | ||
60f067b4 JS |
729 | if (isempty(desktop)) |
730 | desktop = NULL; | |
731 | else { | |
732 | if (!string_is_safe(desktop)) | |
bb4f798a MB |
733 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
734 | "Invalid desktop string %s", desktop); | |
60f067b4 | 735 | } |
663996b3 MS |
736 | |
737 | if (isempty(cseat)) | |
738 | seat = NULL; | |
739 | else { | |
740 | seat = hashmap_get(m->seats, cseat); | |
741 | if (!seat) | |
bb4f798a MB |
742 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, |
743 | "No seat '%s' known", cseat); | |
663996b3 MS |
744 | } |
745 | ||
663996b3 MS |
746 | if (tty_is_vc(tty)) { |
747 | int v; | |
748 | ||
749 | if (!seat) | |
14228c0d MB |
750 | seat = m->seat0; |
751 | else if (seat != m->seat0) | |
bb4f798a MB |
752 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
753 | "TTY %s is virtual console but seat %s is not seat0", tty, seat->id); | |
663996b3 MS |
754 | |
755 | v = vtnr_from_tty(tty); | |
663996b3 | 756 | if (v <= 0) |
bb4f798a MB |
757 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
758 | "Cannot determine VT number from virtual console TTY %s", tty); | |
663996b3 | 759 | |
b012e921 | 760 | if (vtnr == 0) |
663996b3 MS |
761 | vtnr = (uint32_t) v; |
762 | else if (vtnr != (uint32_t) v) | |
bb4f798a MB |
763 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
764 | "Specified TTY and VT number do not match"); | |
60f067b4 | 765 | |
663996b3 MS |
766 | } else if (tty_is_console(tty)) { |
767 | ||
768 | if (!seat) | |
14228c0d MB |
769 | seat = m->seat0; |
770 | else if (seat != m->seat0) | |
bb4f798a MB |
771 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
772 | "Console TTY specified but seat is not seat0"); | |
663996b3 MS |
773 | |
774 | if (vtnr != 0) | |
bb4f798a MB |
775 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
776 | "Console TTY specified but VT number is not 0"); | |
663996b3 MS |
777 | } |
778 | ||
779 | if (seat) { | |
14228c0d | 780 | if (seat_has_vts(seat)) { |
b012e921 | 781 | if (vtnr <= 0 || vtnr > 63) |
bb4f798a MB |
782 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
783 | "VT number out of range"); | |
663996b3 MS |
784 | } else { |
785 | if (vtnr != 0) | |
bb4f798a MB |
786 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
787 | "Seat has no VTs but VT number not 0"); | |
663996b3 MS |
788 | } |
789 | } | |
790 | ||
663996b3 MS |
791 | if (t == _SESSION_TYPE_INVALID) { |
792 | if (!isempty(display)) | |
793 | t = SESSION_X11; | |
794 | else if (!isempty(tty)) | |
795 | t = SESSION_TTY; | |
796 | else | |
797 | t = SESSION_UNSPECIFIED; | |
798 | } | |
799 | ||
800 | if (c == _SESSION_CLASS_INVALID) { | |
60f067b4 | 801 | if (t == SESSION_UNSPECIFIED) |
663996b3 | 802 | c = SESSION_BACKGROUND; |
60f067b4 JS |
803 | else |
804 | c = SESSION_USER; | |
663996b3 MS |
805 | } |
806 | ||
db2df898 | 807 | if (leader == 0) { |
4c89c718 | 808 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
663996b3 | 809 | |
60f067b4 JS |
810 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); |
811 | if (r < 0) | |
812 | return r; | |
663996b3 | 813 | |
60f067b4 JS |
814 | r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); |
815 | if (r < 0) | |
816 | return r; | |
663996b3 MS |
817 | } |
818 | ||
bb4f798a MB |
819 | /* Check if we are already in a logind session. Or if we are in user@.service |
820 | * which is a special PAM session that avoids creating a logind session. */ | |
b012e921 | 821 | r = manager_get_user_by_pid(m, leader, NULL); |
98393f85 MB |
822 | if (r < 0) |
823 | return r; | |
b012e921 | 824 | if (r > 0) |
bb4f798a MB |
825 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_BUSY, |
826 | "Already running in a session or user slice"); | |
fb183854 MP |
827 | |
828 | /* | |
829 | * Old gdm and lightdm start the user-session on the same VT as | |
830 | * the greeter session. But they destroy the greeter session | |
831 | * after the user-session and want the user-session to take | |
832 | * over the VT. We need to support this for | |
833 | * backwards-compatibility, so make sure we allow new sessions | |
7035cd9e MP |
834 | * on a VT that a greeter is running on. Furthermore, to allow |
835 | * re-logins, we have to allow a greeter to take over a used VT for | |
836 | * the exact same reasons. | |
fb183854 | 837 | */ |
7035cd9e MP |
838 | if (c != SESSION_GREETER && |
839 | vtnr > 0 && | |
8b3d4ff0 | 840 | vtnr < MALLOC_ELEMENTSOF(m->seat0->positions) && |
fb183854 MP |
841 | m->seat0->positions[vtnr] && |
842 | m->seat0->positions[vtnr]->class != SESSION_GREETER) | |
8b3d4ff0 | 843 | return sd_bus_error_set(error, BUS_ERROR_SESSION_BUSY, "Already occupied by a session"); |
663996b3 | 844 | |
aa27b158 | 845 | if (hashmap_size(m->sessions) >= m->sessions_max) |
bb4f798a MB |
846 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, |
847 | "Maximum number of sessions (%" PRIu64 ") reached, refusing further sessions.", | |
848 | m->sessions_max); | |
aa27b158 | 849 | |
f5e65279 MB |
850 | (void) audit_session_from_pid(leader, &audit_id); |
851 | if (audit_session_is_valid(audit_id)) { | |
663996b3 MS |
852 | /* Keep our session IDs and the audit session IDs in sync */ |
853 | ||
60f067b4 JS |
854 | if (asprintf(&id, "%"PRIu32, audit_id) < 0) |
855 | return -ENOMEM; | |
663996b3 | 856 | |
f2dec872 BR |
857 | /* Wut? There's already a session by this name and we didn't find it above? Weird, then let's |
858 | * not trust the audit data and let's better register a new ID */ | |
859 | if (hashmap_contains(m->sessions, id)) { | |
b012e921 | 860 | log_warning("Existing logind session ID %s used by new audit session, ignoring.", id); |
f5e65279 | 861 | audit_id = AUDIT_SESSION_INVALID; |
13d276d0 | 862 | id = mfree(id); |
663996b3 MS |
863 | } |
864 | } | |
865 | ||
866 | if (!id) { | |
867 | do { | |
13d276d0 | 868 | id = mfree(id); |
663996b3 | 869 | |
60f067b4 JS |
870 | if (asprintf(&id, "c%lu", ++m->session_counter) < 0) |
871 | return -ENOMEM; | |
663996b3 | 872 | |
f2dec872 | 873 | } while (hashmap_contains(m->sessions, id)); |
663996b3 MS |
874 | } |
875 | ||
f2dec872 BR |
876 | /* The generated names should not clash with 'auto' or 'self' */ |
877 | assert(!SESSION_IS_SELF(id)); | |
878 | assert(!SESSION_IS_AUTO(id)); | |
879 | ||
880 | /* If we are not watching utmp already, try again */ | |
6e866b33 MB |
881 | manager_reconnect_utmp(m); |
882 | ||
663996b3 MS |
883 | r = manager_add_user_by_uid(m, uid, &user); |
884 | if (r < 0) | |
885 | goto fail; | |
886 | ||
14228c0d | 887 | r = manager_add_session(m, id, &session); |
663996b3 MS |
888 | if (r < 0) |
889 | goto fail; | |
890 | ||
14228c0d | 891 | session_set_user(session, user); |
bb4f798a MB |
892 | r = session_set_leader(session, leader); |
893 | if (r < 0) | |
894 | goto fail; | |
14228c0d | 895 | |
a10f5d05 | 896 | session->original_type = session->type = t; |
663996b3 MS |
897 | session->class = c; |
898 | session->remote = remote; | |
663996b3 MS |
899 | session->vtnr = vtnr; |
900 | ||
663996b3 MS |
901 | if (!isempty(tty)) { |
902 | session->tty = strdup(tty); | |
903 | if (!session->tty) { | |
904 | r = -ENOMEM; | |
905 | goto fail; | |
906 | } | |
6e866b33 MB |
907 | |
908 | session->tty_validity = TTY_FROM_PAM; | |
663996b3 MS |
909 | } |
910 | ||
911 | if (!isempty(display)) { | |
912 | session->display = strdup(display); | |
913 | if (!session->display) { | |
914 | r = -ENOMEM; | |
915 | goto fail; | |
916 | } | |
917 | } | |
918 | ||
919 | if (!isempty(remote_user)) { | |
920 | session->remote_user = strdup(remote_user); | |
921 | if (!session->remote_user) { | |
922 | r = -ENOMEM; | |
923 | goto fail; | |
924 | } | |
925 | } | |
926 | ||
927 | if (!isempty(remote_host)) { | |
928 | session->remote_host = strdup(remote_host); | |
929 | if (!session->remote_host) { | |
930 | r = -ENOMEM; | |
931 | goto fail; | |
932 | } | |
933 | } | |
934 | ||
935 | if (!isempty(service)) { | |
936 | session->service = strdup(service); | |
937 | if (!session->service) { | |
938 | r = -ENOMEM; | |
939 | goto fail; | |
940 | } | |
941 | } | |
942 | ||
60f067b4 JS |
943 | if (!isempty(desktop)) { |
944 | session->desktop = strdup(desktop); | |
945 | if (!session->desktop) { | |
946 | r = -ENOMEM; | |
947 | goto fail; | |
948 | } | |
949 | } | |
950 | ||
663996b3 MS |
951 | if (seat) { |
952 | r = seat_attach_session(seat, session); | |
953 | if (r < 0) | |
954 | goto fail; | |
955 | } | |
956 | ||
b012e921 MB |
957 | r = sd_bus_message_enter_container(message, 'a', "(sv)"); |
958 | if (r < 0) | |
6e866b33 | 959 | goto fail; |
b012e921 | 960 | |
6e866b33 | 961 | r = session_start(session, message, error); |
b012e921 MB |
962 | if (r < 0) |
963 | goto fail; | |
964 | ||
965 | r = sd_bus_message_exit_container(message); | |
663996b3 MS |
966 | if (r < 0) |
967 | goto fail; | |
968 | ||
60f067b4 | 969 | session->create_message = sd_bus_message_ref(message); |
663996b3 | 970 | |
b012e921 | 971 | /* Now, let's wait until the slice unit and stuff got created. We send the reply back from |
e735f4d4 | 972 | * session_send_create_reply(). */ |
663996b3 | 973 | |
60f067b4 | 974 | return 1; |
663996b3 MS |
975 | |
976 | fail: | |
977 | if (session) | |
978 | session_add_to_gc_queue(session); | |
979 | ||
980 | if (user) | |
981 | user_add_to_gc_queue(user); | |
982 | ||
983 | return r; | |
984 | } | |
985 | ||
e3bff60a | 986 | static int method_release_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 987 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
988 | Session *session; |
989 | const char *name; | |
990 | int r; | |
663996b3 | 991 | |
663996b3 | 992 | assert(message); |
663996b3 | 993 | |
60f067b4 JS |
994 | r = sd_bus_message_read(message, "s", &name); |
995 | if (r < 0) | |
996 | return r; | |
663996b3 | 997 | |
e735f4d4 MP |
998 | r = manager_get_session_from_creds(m, message, name, error, &session); |
999 | if (r < 0) | |
1000 | return r; | |
663996b3 | 1001 | |
e3bff60a MP |
1002 | r = session_release(session); |
1003 | if (r < 0) | |
1004 | return r; | |
663996b3 | 1005 | |
60f067b4 JS |
1006 | return sd_bus_reply_method_return(message, NULL); |
1007 | } | |
1008 | ||
e3bff60a | 1009 | static int method_activate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1010 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1011 | Session *session; |
1012 | const char *name; | |
1013 | int r; | |
1014 | ||
60f067b4 | 1015 | assert(message); |
663996b3 | 1016 | |
60f067b4 | 1017 | r = sd_bus_message_read(message, "s", &name); |
663996b3 | 1018 | if (r < 0) |
60f067b4 | 1019 | return r; |
663996b3 | 1020 | |
e735f4d4 MP |
1021 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1022 | if (r < 0) | |
1023 | return r; | |
663996b3 | 1024 | |
46cdbd49 BR |
1025 | /* PolicyKit is done by bus_session_method_activate() */ |
1026 | ||
e3bff60a | 1027 | return bus_session_method_activate(message, session, error); |
60f067b4 | 1028 | } |
663996b3 | 1029 | |
e3bff60a | 1030 | static int method_activate_session_on_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 1031 | const char *session_name, *seat_name; |
086111aa | 1032 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1033 | Session *session; |
1034 | Seat *seat; | |
1035 | int r; | |
663996b3 | 1036 | |
60f067b4 | 1037 | assert(message); |
663996b3 | 1038 | |
f2dec872 | 1039 | /* Same as ActivateSession() but refuses to work if the seat doesn't match */ |
60f067b4 JS |
1040 | |
1041 | r = sd_bus_message_read(message, "ss", &session_name, &seat_name); | |
663996b3 | 1042 | if (r < 0) |
60f067b4 | 1043 | return r; |
663996b3 | 1044 | |
e735f4d4 MP |
1045 | r = manager_get_session_from_creds(m, message, session_name, error, &session); |
1046 | if (r < 0) | |
1047 | return r; | |
663996b3 | 1048 | |
e735f4d4 MP |
1049 | r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); |
1050 | if (r < 0) | |
1051 | return r; | |
663996b3 | 1052 | |
60f067b4 | 1053 | if (session->seat != seat) |
bb4f798a MB |
1054 | return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, |
1055 | "Session %s not on seat %s", session_name, seat_name); | |
663996b3 | 1056 | |
3a6ce677 | 1057 | r = check_polkit_chvt(message, m, error); |
46cdbd49 BR |
1058 | if (r < 0) |
1059 | return r; | |
1060 | if (r == 0) | |
1061 | return 1; /* Will call us back */ | |
1062 | ||
60f067b4 JS |
1063 | r = session_activate(session); |
1064 | if (r < 0) | |
1065 | return r; | |
663996b3 | 1066 | |
60f067b4 JS |
1067 | return sd_bus_reply_method_return(message, NULL); |
1068 | } | |
663996b3 | 1069 | |
e3bff60a | 1070 | static int method_lock_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1071 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1072 | Session *session; |
1073 | const char *name; | |
1074 | int r; | |
663996b3 | 1075 | |
60f067b4 | 1076 | assert(message); |
663996b3 | 1077 | |
60f067b4 JS |
1078 | r = sd_bus_message_read(message, "s", &name); |
1079 | if (r < 0) | |
1080 | return r; | |
663996b3 | 1081 | |
e735f4d4 MP |
1082 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1083 | if (r < 0) | |
1084 | return r; | |
663996b3 | 1085 | |
e3bff60a | 1086 | return bus_session_method_lock(message, session, error); |
663996b3 MS |
1087 | } |
1088 | ||
e3bff60a | 1089 | static int method_lock_sessions(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1090 | Manager *m = ASSERT_PTR(userdata); |
663996b3 MS |
1091 | int r; |
1092 | ||
60f067b4 | 1093 | assert(message); |
663996b3 | 1094 | |
e3bff60a MP |
1095 | r = bus_verify_polkit_async( |
1096 | message, | |
1097 | CAP_SYS_ADMIN, | |
1098 | "org.freedesktop.login1.lock-sessions", | |
d9dfd233 | 1099 | NULL, |
e3bff60a MP |
1100 | false, |
1101 | UID_INVALID, | |
1102 | &m->polkit_registry, | |
1103 | error); | |
1104 | if (r < 0) | |
1105 | return r; | |
1106 | if (r == 0) | |
1107 | return 1; /* Will call us back */ | |
1108 | ||
60f067b4 JS |
1109 | r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); |
1110 | if (r < 0) | |
1111 | return r; | |
663996b3 | 1112 | |
60f067b4 JS |
1113 | return sd_bus_reply_method_return(message, NULL); |
1114 | } | |
663996b3 | 1115 | |
e3bff60a MP |
1116 | static int method_kill_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1117 | const char *name; | |
086111aa | 1118 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 1119 | Session *session; |
60f067b4 | 1120 | int r; |
663996b3 | 1121 | |
60f067b4 | 1122 | assert(message); |
663996b3 | 1123 | |
e3bff60a | 1124 | r = sd_bus_message_read(message, "s", &name); |
60f067b4 JS |
1125 | if (r < 0) |
1126 | return r; | |
663996b3 | 1127 | |
e735f4d4 MP |
1128 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1129 | if (r < 0) | |
1130 | return r; | |
663996b3 | 1131 | |
e3bff60a | 1132 | return bus_session_method_kill(message, session, error); |
663996b3 MS |
1133 | } |
1134 | ||
e3bff60a | 1135 | static int method_kill_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1136 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 1137 | uint32_t uid; |
60f067b4 | 1138 | User *user; |
663996b3 MS |
1139 | int r; |
1140 | ||
60f067b4 | 1141 | assert(message); |
663996b3 | 1142 | |
e3bff60a | 1143 | r = sd_bus_message_read(message, "u", &uid); |
60f067b4 JS |
1144 | if (r < 0) |
1145 | return r; | |
663996b3 | 1146 | |
e735f4d4 MP |
1147 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1148 | if (r < 0) | |
1149 | return r; | |
663996b3 | 1150 | |
e3bff60a | 1151 | return bus_user_method_kill(message, user, error); |
60f067b4 | 1152 | } |
663996b3 | 1153 | |
e3bff60a | 1154 | static int method_terminate_session(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1155 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1156 | const char *name; |
1157 | Session *session; | |
1158 | int r; | |
1159 | ||
60f067b4 | 1160 | assert(message); |
60f067b4 JS |
1161 | |
1162 | r = sd_bus_message_read(message, "s", &name); | |
663996b3 | 1163 | if (r < 0) |
60f067b4 | 1164 | return r; |
663996b3 | 1165 | |
e735f4d4 MP |
1166 | r = manager_get_session_from_creds(m, message, name, error, &session); |
1167 | if (r < 0) | |
1168 | return r; | |
663996b3 | 1169 | |
e3bff60a | 1170 | return bus_session_method_terminate(message, session, error); |
663996b3 MS |
1171 | } |
1172 | ||
e3bff60a | 1173 | static int method_terminate_user(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1174 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1175 | uint32_t uid; |
1176 | User *user; | |
1177 | int r; | |
663996b3 | 1178 | |
60f067b4 | 1179 | assert(message); |
663996b3 | 1180 | |
60f067b4 JS |
1181 | r = sd_bus_message_read(message, "u", &uid); |
1182 | if (r < 0) | |
1183 | return r; | |
663996b3 | 1184 | |
e735f4d4 MP |
1185 | r = manager_get_user_from_creds(m, message, uid, error, &user); |
1186 | if (r < 0) | |
1187 | return r; | |
663996b3 | 1188 | |
e3bff60a | 1189 | return bus_user_method_terminate(message, user, error); |
60f067b4 | 1190 | } |
663996b3 | 1191 | |
e3bff60a | 1192 | static int method_terminate_seat(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1193 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1194 | const char *name; |
1195 | Seat *seat; | |
1196 | int r; | |
663996b3 | 1197 | |
60f067b4 | 1198 | assert(message); |
663996b3 | 1199 | |
60f067b4 JS |
1200 | r = sd_bus_message_read(message, "s", &name); |
1201 | if (r < 0) | |
1202 | return r; | |
1203 | ||
e735f4d4 MP |
1204 | r = manager_get_seat_from_creds(m, message, name, error, &seat); |
1205 | if (r < 0) | |
1206 | return r; | |
60f067b4 | 1207 | |
e3bff60a | 1208 | return bus_seat_method_terminate(message, seat, error); |
60f067b4 JS |
1209 | } |
1210 | ||
e3bff60a | 1211 | static int method_set_user_linger(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
52ad194e | 1212 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
60f067b4 | 1213 | _cleanup_free_ char *cc = NULL; |
086111aa | 1214 | Manager *m = ASSERT_PTR(userdata); |
aa27b158 | 1215 | int r, b, interactive; |
60f067b4 JS |
1216 | struct passwd *pw; |
1217 | const char *path; | |
52ad194e | 1218 | uint32_t uid, auth_uid; |
60f067b4 | 1219 | |
60f067b4 | 1220 | assert(message); |
60f067b4 JS |
1221 | |
1222 | r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); | |
1223 | if (r < 0) | |
1224 | return r; | |
1225 | ||
52ad194e MB |
1226 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID | |
1227 | SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); | |
1228 | if (r < 0) | |
1229 | return r; | |
e735f4d4 | 1230 | |
52ad194e MB |
1231 | if (!uid_is_valid(uid)) { |
1232 | /* Note that we get the owner UID of the session or user unit, | |
1233 | * not the actual client UID here! */ | |
e735f4d4 MP |
1234 | r = sd_bus_creds_get_owner_uid(creds, &uid); |
1235 | if (r < 0) | |
1236 | return r; | |
52ad194e | 1237 | } |
db2df898 | 1238 | |
52ad194e MB |
1239 | /* owner_uid is racy, so for authorization we must use euid */ |
1240 | r = sd_bus_creds_get_euid(creds, &auth_uid); | |
1241 | if (r < 0) | |
1242 | return r; | |
e735f4d4 | 1243 | |
60f067b4 JS |
1244 | errno = 0; |
1245 | pw = getpwuid(uid); | |
1246 | if (!pw) | |
f2dec872 | 1247 | return errno_or_else(ENOENT); |
60f067b4 | 1248 | |
5eef597e MP |
1249 | r = bus_verify_polkit_async( |
1250 | message, | |
1251 | CAP_SYS_ADMIN, | |
52ad194e MB |
1252 | uid == auth_uid ? "org.freedesktop.login1.set-self-linger" : |
1253 | "org.freedesktop.login1.set-user-linger", | |
d9dfd233 | 1254 | NULL, |
5eef597e | 1255 | interactive, |
e3bff60a | 1256 | UID_INVALID, |
5eef597e MP |
1257 | &m->polkit_registry, |
1258 | error); | |
60f067b4 JS |
1259 | if (r < 0) |
1260 | return r; | |
1261 | if (r == 0) | |
1262 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1263 | ||
bb4f798a | 1264 | (void) mkdir_p_label("/var/lib/systemd", 0755); |
b012e921 | 1265 | r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0, MKDIR_WARN_MODE); |
60f067b4 JS |
1266 | if (r < 0) |
1267 | return r; | |
1268 | ||
1269 | cc = cescape(pw->pw_name); | |
1270 | if (!cc) | |
1271 | return -ENOMEM; | |
1272 | ||
e735f4d4 | 1273 | path = strjoina("/var/lib/systemd/linger/", cc); |
60f067b4 JS |
1274 | if (b) { |
1275 | User *u; | |
1276 | ||
1277 | r = touch(path); | |
1278 | if (r < 0) | |
1279 | return r; | |
1280 | ||
1281 | if (manager_add_user_by_uid(m, uid, &u) >= 0) | |
1282 | user_start(u); | |
1283 | ||
1284 | } else { | |
1285 | User *u; | |
1286 | ||
1287 | r = unlink(path); | |
1288 | if (r < 0 && errno != ENOENT) | |
1289 | return -errno; | |
1290 | ||
e735f4d4 | 1291 | u = hashmap_get(m->users, UID_TO_PTR(uid)); |
60f067b4 JS |
1292 | if (u) |
1293 | user_add_to_gc_queue(u); | |
1294 | } | |
1295 | ||
1296 | return sd_bus_reply_method_return(message, NULL); | |
1297 | } | |
1298 | ||
6e866b33 MB |
1299 | static int trigger_device(Manager *m, sd_device *d) { |
1300 | _cleanup_(sd_device_enumerator_unrefp) sd_device_enumerator *e = NULL; | |
60f067b4 JS |
1301 | int r; |
1302 | ||
1303 | assert(m); | |
1304 | ||
6e866b33 MB |
1305 | r = sd_device_enumerator_new(&e); |
1306 | if (r < 0) | |
1307 | return r; | |
1308 | ||
1309 | r = sd_device_enumerator_allow_uninitialized(e); | |
1310 | if (r < 0) | |
1311 | return r; | |
60f067b4 JS |
1312 | |
1313 | if (d) { | |
6e866b33 | 1314 | r = sd_device_enumerator_add_match_parent(e, d); |
60f067b4 JS |
1315 | if (r < 0) |
1316 | return r; | |
1317 | } | |
1318 | ||
6e866b33 | 1319 | FOREACH_DEVICE(e, d) { |
8b3d4ff0 | 1320 | r = sd_device_trigger(d, SD_DEVICE_CHANGE); |
6e866b33 | 1321 | if (r < 0) |
8b3d4ff0 | 1322 | log_device_debug_errno(d, r, "Failed to trigger device, ignoring: %m"); |
60f067b4 JS |
1323 | } |
1324 | ||
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | static int attach_device(Manager *m, const char *seat, const char *sysfs) { | |
6e866b33 | 1329 | _cleanup_(sd_device_unrefp) sd_device *d = NULL; |
60f067b4 JS |
1330 | _cleanup_free_ char *rule = NULL, *file = NULL; |
1331 | const char *id_for_seat; | |
1332 | int r; | |
1333 | ||
1334 | assert(m); | |
1335 | assert(seat); | |
1336 | assert(sysfs); | |
1337 | ||
6e866b33 MB |
1338 | r = sd_device_new_from_syspath(&d, sysfs); |
1339 | if (r < 0) | |
1340 | return r; | |
60f067b4 | 1341 | |
a032b68d | 1342 | if (sd_device_has_current_tag(d, "seat") <= 0) |
60f067b4 JS |
1343 | return -ENODEV; |
1344 | ||
6e866b33 | 1345 | if (sd_device_get_property_value(d, "ID_FOR_SEAT", &id_for_seat) < 0) |
60f067b4 JS |
1346 | return -ENODEV; |
1347 | ||
1348 | if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) | |
1349 | return -ENOMEM; | |
1350 | ||
1351 | if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) | |
1352 | return -ENOMEM; | |
1353 | ||
6e866b33 | 1354 | (void) mkdir_p_label("/etc/udev/rules.d", 0755); |
60f067b4 JS |
1355 | r = write_string_file_atomic_label(file, rule); |
1356 | if (r < 0) | |
1357 | return r; | |
1358 | ||
1359 | return trigger_device(m, d); | |
1360 | } | |
1361 | ||
1362 | static int flush_devices(Manager *m) { | |
5b5a102a | 1363 | _cleanup_closedir_ DIR *d = NULL; |
60f067b4 JS |
1364 | |
1365 | assert(m); | |
1366 | ||
1367 | d = opendir("/etc/udev/rules.d"); | |
1368 | if (!d) { | |
1369 | if (errno != ENOENT) | |
f47781d8 | 1370 | log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); |
ea0999c9 | 1371 | } else |
2897b343 | 1372 | FOREACH_DIRENT_ALL(de, d, break) { |
60f067b4 JS |
1373 | if (!dirent_is_file(de)) |
1374 | continue; | |
1375 | ||
1376 | if (!startswith(de->d_name, "72-seat-")) | |
1377 | continue; | |
1378 | ||
1379 | if (!endswith(de->d_name, ".rules")) | |
1380 | continue; | |
1381 | ||
1382 | if (unlinkat(dirfd(d), de->d_name, 0) < 0) | |
f47781d8 | 1383 | log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); |
60f067b4 | 1384 | } |
60f067b4 JS |
1385 | |
1386 | return trigger_device(m, NULL); | |
1387 | } | |
1388 | ||
e3bff60a | 1389 | static int method_attach_device(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 1390 | const char *sysfs, *seat; |
086111aa | 1391 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1392 | int interactive, r; |
1393 | ||
60f067b4 | 1394 | assert(message); |
60f067b4 JS |
1395 | |
1396 | r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); | |
1397 | if (r < 0) | |
1398 | return r; | |
1399 | ||
f2dec872 BR |
1400 | if (!path_is_normalized(sysfs)) |
1401 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not normalized", sysfs); | |
60f067b4 JS |
1402 | if (!path_startswith(sysfs, "/sys")) |
1403 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); | |
1404 | ||
f2dec872 BR |
1405 | if (SEAT_IS_SELF(seat) || SEAT_IS_AUTO(seat)) { |
1406 | Seat *found; | |
1407 | ||
1408 | r = manager_get_seat_from_creds(m, message, seat, error, &found); | |
1409 | if (r < 0) | |
1410 | return r; | |
1411 | ||
1412 | seat = found->id; | |
1413 | ||
1414 | } else if (!seat_name_is_valid(seat)) /* Note that a seat does not have to exist yet for this operation to succeed */ | |
1415 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat name %s is not valid", seat); | |
60f067b4 | 1416 | |
5eef597e MP |
1417 | r = bus_verify_polkit_async( |
1418 | message, | |
1419 | CAP_SYS_ADMIN, | |
1420 | "org.freedesktop.login1.attach-device", | |
d9dfd233 | 1421 | NULL, |
5eef597e | 1422 | interactive, |
e3bff60a | 1423 | UID_INVALID, |
5eef597e MP |
1424 | &m->polkit_registry, |
1425 | error); | |
60f067b4 JS |
1426 | if (r < 0) |
1427 | return r; | |
1428 | if (r == 0) | |
1429 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1430 | ||
1431 | r = attach_device(m, seat, sysfs); | |
1432 | if (r < 0) | |
1433 | return r; | |
1434 | ||
1435 | return sd_bus_reply_method_return(message, NULL); | |
1436 | } | |
1437 | ||
e3bff60a | 1438 | static int method_flush_devices(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 1439 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1440 | int interactive, r; |
1441 | ||
60f067b4 | 1442 | assert(message); |
60f067b4 JS |
1443 | |
1444 | r = sd_bus_message_read(message, "b", &interactive); | |
1445 | if (r < 0) | |
1446 | return r; | |
1447 | ||
5eef597e MP |
1448 | r = bus_verify_polkit_async( |
1449 | message, | |
1450 | CAP_SYS_ADMIN, | |
1451 | "org.freedesktop.login1.flush-devices", | |
d9dfd233 | 1452 | NULL, |
5eef597e | 1453 | interactive, |
e3bff60a | 1454 | UID_INVALID, |
5eef597e MP |
1455 | &m->polkit_registry, |
1456 | error); | |
60f067b4 JS |
1457 | if (r < 0) |
1458 | return r; | |
1459 | if (r == 0) | |
1460 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
1461 | ||
1462 | r = flush_devices(m); | |
1463 | if (r < 0) | |
1464 | return r; | |
1465 | ||
1466 | return sd_bus_reply_method_return(message, NULL); | |
663996b3 MS |
1467 | } |
1468 | ||
1469 | static int have_multiple_sessions( | |
1470 | Manager *m, | |
1471 | uid_t uid) { | |
1472 | ||
1473 | Session *session; | |
663996b3 MS |
1474 | |
1475 | assert(m); | |
1476 | ||
1477 | /* Check for other users' sessions. Greeter sessions do not | |
1478 | * count, and non-login sessions do not count either. */ | |
a032b68d | 1479 | HASHMAP_FOREACH(session, m->sessions) |
663996b3 | 1480 | if (session->class == SESSION_USER && |
46cdbd49 | 1481 | session->user->user_record->uid != uid) |
663996b3 MS |
1482 | return true; |
1483 | ||
1484 | return false; | |
1485 | } | |
1486 | ||
ea0999c9 MB |
1487 | static int bus_manager_log_shutdown( |
1488 | Manager *m, | |
f5caa8fa | 1489 | const HandleActionData *a) { |
f5caa8fa MB |
1490 | assert(m); |
1491 | assert(a); | |
ea0999c9 | 1492 | |
b3e21333 LB |
1493 | const char *message = a->message ?: "System is shutting down"; |
1494 | const char *log_verb = a->log_verb ? strjoina("SHUTDOWN=", a->log_verb) : NULL; | |
ea0999c9 | 1495 | |
f5caa8fa | 1496 | return log_struct(LOG_NOTICE, |
b3e21333 LB |
1497 | "MESSAGE_ID=%s", a->message_id ?: SD_MESSAGE_SHUTDOWN_STR, |
1498 | LOG_MESSAGE("%s%s%s%s.", | |
1499 | message, | |
1500 | m->wall_message ? " (" : "", | |
1501 | strempty(m->wall_message), | |
1502 | m->wall_message ? ")" : ""), | |
1503 | log_verb); | |
663996b3 MS |
1504 | } |
1505 | ||
60f067b4 | 1506 | static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { |
086111aa | 1507 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
1508 | |
1509 | assert(e); | |
60f067b4 JS |
1510 | |
1511 | m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); | |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | int manager_set_lid_switch_ignore(Manager *m, usec_t until) { | |
1516 | int r; | |
1517 | ||
1518 | assert(m); | |
1519 | ||
1520 | if (until <= now(CLOCK_MONOTONIC)) | |
1521 | return 0; | |
1522 | ||
1523 | /* We want to ignore the lid switch for a while after each | |
1524 | * suspend, and after boot-up. Hence let's install a timer for | |
1525 | * this. As long as the event source exists we ignore the lid | |
1526 | * switch. */ | |
1527 | ||
1528 | if (m->lid_switch_ignore_event_source) { | |
1529 | usec_t u; | |
1530 | ||
1531 | r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); | |
1532 | if (r < 0) | |
1533 | return r; | |
1534 | ||
1535 | if (until <= u) | |
1536 | return 0; | |
1537 | ||
1538 | r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); | |
1539 | } else | |
1540 | r = sd_event_add_time( | |
1541 | m->event, | |
1542 | &m->lid_switch_ignore_event_source, | |
1543 | CLOCK_MONOTONIC, | |
1544 | until, 0, | |
1545 | lid_switch_ignore_handler, m); | |
1546 | ||
1547 | return r; | |
1548 | } | |
1549 | ||
f5e65279 | 1550 | static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { |
f5e65279 MB |
1551 | int active = _active; |
1552 | ||
1553 | assert(m); | |
7c20daf6 | 1554 | assert(IN_SET(w, INHIBIT_SHUTDOWN, INHIBIT_SLEEP)); |
f5e65279 MB |
1555 | |
1556 | return sd_bus_emit_signal(m->bus, | |
1557 | "/org/freedesktop/login1", | |
1558 | "org.freedesktop.login1.Manager", | |
7c20daf6 | 1559 | w == INHIBIT_SHUTDOWN ? "PrepareForShutdown" : "PrepareForSleep", |
f5e65279 MB |
1560 | "b", |
1561 | active); | |
6300502b MP |
1562 | } |
1563 | ||
663996b3 MS |
1564 | static int execute_shutdown_or_sleep( |
1565 | Manager *m, | |
f5caa8fa | 1566 | const HandleActionData *a, |
60f067b4 | 1567 | sd_bus_error *error) { |
663996b3 | 1568 | |
4c89c718 | 1569 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
60f067b4 | 1570 | const char *p; |
60f067b4 | 1571 | int r; |
663996b3 MS |
1572 | |
1573 | assert(m); | |
f5caa8fa | 1574 | assert(a); |
663996b3 | 1575 | |
f5caa8fa MB |
1576 | if (a->inhibit_what == INHIBIT_SHUTDOWN) |
1577 | bus_manager_log_shutdown(m, a); | |
663996b3 | 1578 | |
a10f5d05 | 1579 | r = bus_call_method( |
f5e65279 | 1580 | m->bus, |
a10f5d05 | 1581 | bus_systemd_mgr, |
f5e65279 MB |
1582 | "StartUnit", |
1583 | error, | |
1584 | &reply, | |
f5caa8fa | 1585 | "ss", a->target, "replace-irreversibly"); |
f5e65279 MB |
1586 | if (r < 0) |
1587 | goto error; | |
663996b3 | 1588 | |
f5e65279 MB |
1589 | r = sd_bus_message_read(reply, "o", &p); |
1590 | if (r < 0) | |
1591 | goto error; | |
663996b3 | 1592 | |
7c20daf6 FS |
1593 | r = free_and_strdup(&m->action_job, p); |
1594 | if (r < 0) | |
f5e65279 | 1595 | goto error; |
663996b3 | 1596 | |
f5caa8fa | 1597 | m->delayed_action = a; |
663996b3 | 1598 | |
60f067b4 | 1599 | /* Make sure the lid switch is ignored for a while */ |
3a6ce677 | 1600 | manager_set_lid_switch_ignore(m, usec_add(now(CLOCK_MONOTONIC), m->holdoff_timeout_usec)); |
e3bff60a MP |
1601 | |
1602 | return 0; | |
f5e65279 MB |
1603 | |
1604 | error: | |
1605 | /* Tell people that they now may take a lock again */ | |
f5caa8fa | 1606 | (void) send_prepare_for(m, a->inhibit_what, false); |
f5e65279 MB |
1607 | |
1608 | return r; | |
e3bff60a MP |
1609 | } |
1610 | ||
fb183854 | 1611 | int manager_dispatch_delayed(Manager *manager, bool timeout) { |
4c89c718 | 1612 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
e3bff60a | 1613 | Inhibitor *offending = NULL; |
e3bff60a MP |
1614 | int r; |
1615 | ||
1616 | assert(manager); | |
e3bff60a | 1617 | |
f5caa8fa | 1618 | if (!manager->delayed_action || manager->action_job) |
e3bff60a MP |
1619 | return 0; |
1620 | ||
f5caa8fa | 1621 | if (manager_is_inhibited(manager, manager->delayed_action->inhibit_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { |
e3bff60a MP |
1622 | _cleanup_free_ char *comm = NULL, *u = NULL; |
1623 | ||
fb183854 MP |
1624 | if (!timeout) |
1625 | return 0; | |
1626 | ||
e3bff60a MP |
1627 | (void) get_process_comm(offending->pid, &comm); |
1628 | u = uid_to_name(offending->uid); | |
1629 | ||
1630 | log_notice("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", | |
1631 | offending->uid, strna(u), | |
1632 | offending->pid, strna(comm)); | |
1633 | } | |
1634 | ||
1635 | /* Actually do the operation */ | |
f5caa8fa | 1636 | r = execute_shutdown_or_sleep(manager, manager->delayed_action, &error); |
e3bff60a | 1637 | if (r < 0) { |
f5e65279 MB |
1638 | log_warning("Error during inhibitor-delayed operation (already returned success to client): %s", |
1639 | bus_error_message(&error, r)); | |
e3bff60a | 1640 | |
f5caa8fa | 1641 | manager->delayed_action = NULL; |
e3bff60a | 1642 | } |
60f067b4 | 1643 | |
36ceca03 | 1644 | return 1; /* We did some work. */ |
fb183854 MP |
1645 | } |
1646 | ||
1647 | static int manager_inhibit_timeout_handler( | |
1648 | sd_event_source *s, | |
1649 | uint64_t usec, | |
1650 | void *userdata) { | |
1651 | ||
086111aa | 1652 | Manager *manager = ASSERT_PTR(userdata); |
fb183854 | 1653 | |
fb183854 MP |
1654 | assert(manager->inhibit_timeout_source == s); |
1655 | ||
36ceca03 | 1656 | return manager_dispatch_delayed(manager, true); |
663996b3 MS |
1657 | } |
1658 | ||
1659 | static int delay_shutdown_or_sleep( | |
1660 | Manager *m, | |
f5caa8fa | 1661 | const HandleActionData *a) { |
663996b3 | 1662 | |
e3bff60a | 1663 | int r; |
e3bff60a | 1664 | |
663996b3 | 1665 | assert(m); |
f5caa8fa | 1666 | assert(a); |
663996b3 | 1667 | |
e3bff60a | 1668 | if (m->inhibit_timeout_source) { |
a032b68d | 1669 | r = sd_event_source_set_time_relative(m->inhibit_timeout_source, m->inhibit_delay_max); |
e3bff60a | 1670 | if (r < 0) |
a032b68d | 1671 | return log_error_errno(r, "sd_event_source_set_time_relative() failed: %m"); |
e3bff60a MP |
1672 | |
1673 | r = sd_event_source_set_enabled(m->inhibit_timeout_source, SD_EVENT_ONESHOT); | |
1674 | if (r < 0) | |
1675 | return log_error_errno(r, "sd_event_source_set_enabled() failed: %m"); | |
1676 | } else { | |
a032b68d MB |
1677 | r = sd_event_add_time_relative( |
1678 | m->event, | |
1679 | &m->inhibit_timeout_source, | |
1680 | CLOCK_MONOTONIC, m->inhibit_delay_max, 0, | |
1681 | manager_inhibit_timeout_handler, m); | |
e3bff60a MP |
1682 | if (r < 0) |
1683 | return r; | |
1684 | } | |
1685 | ||
f5caa8fa | 1686 | m->delayed_action = a; |
663996b3 MS |
1687 | |
1688 | return 0; | |
1689 | } | |
1690 | ||
60f067b4 JS |
1691 | int bus_manager_shutdown_or_sleep_now_or_later( |
1692 | Manager *m, | |
f5caa8fa | 1693 | const HandleActionData *a, |
60f067b4 JS |
1694 | sd_bus_error *error) { |
1695 | ||
b012e921 | 1696 | _cleanup_free_ char *load_state = NULL; |
60f067b4 JS |
1697 | bool delayed; |
1698 | int r; | |
1699 | ||
1700 | assert(m); | |
f5caa8fa | 1701 | assert(a); |
60f067b4 JS |
1702 | assert(!m->action_job); |
1703 | ||
f5caa8fa | 1704 | r = unit_load_state(m->bus, a->target, &load_state); |
b012e921 MB |
1705 | if (r < 0) |
1706 | return r; | |
1707 | ||
6e866b33 MB |
1708 | if (!streq(load_state, "loaded")) |
1709 | return log_notice_errno(SYNTHETIC_ERRNO(EACCES), | |
1710 | "Unit %s is %s, refusing operation.", | |
f5caa8fa | 1711 | a->target, load_state); |
b012e921 | 1712 | |
60f067b4 | 1713 | /* Tell everybody to prepare for shutdown/sleep */ |
f5caa8fa | 1714 | (void) send_prepare_for(m, a->inhibit_what, true); |
60f067b4 JS |
1715 | |
1716 | delayed = | |
1717 | m->inhibit_delay_max > 0 && | |
f5caa8fa | 1718 | manager_is_inhibited(m, a->inhibit_what, INHIBIT_DELAY, NULL, false, false, 0, NULL); |
60f067b4 JS |
1719 | |
1720 | if (delayed) | |
1721 | /* Shutdown is delayed, keep in mind what we | |
1722 | * want to do, and start a timeout */ | |
f5caa8fa | 1723 | r = delay_shutdown_or_sleep(m, a); |
60f067b4 JS |
1724 | else |
1725 | /* Shutdown is not delayed, execute it | |
1726 | * immediately */ | |
f5caa8fa | 1727 | r = execute_shutdown_or_sleep(m, a, error); |
60f067b4 JS |
1728 | |
1729 | return r; | |
1730 | } | |
1731 | ||
e3bff60a | 1732 | static int verify_shutdown_creds( |
663996b3 | 1733 | Manager *m, |
60f067b4 | 1734 | sd_bus_message *message, |
f5caa8fa | 1735 | const HandleActionData *a, |
3a6ce677 | 1736 | uint64_t flags, |
60f067b4 | 1737 | sd_bus_error *error) { |
663996b3 | 1738 | |
4c89c718 | 1739 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
3a6ce677 | 1740 | bool multiple_sessions, blocked, interactive; |
60f067b4 | 1741 | uid_t uid; |
e3bff60a | 1742 | int r; |
663996b3 MS |
1743 | |
1744 | assert(m); | |
f5caa8fa | 1745 | assert(a); |
663996b3 | 1746 | assert(message); |
663996b3 | 1747 | |
e735f4d4 | 1748 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
60f067b4 JS |
1749 | if (r < 0) |
1750 | return r; | |
1751 | ||
e735f4d4 | 1752 | r = sd_bus_creds_get_euid(creds, &uid); |
60f067b4 JS |
1753 | if (r < 0) |
1754 | return r; | |
663996b3 | 1755 | |
60f067b4 | 1756 | r = have_multiple_sessions(m, uid); |
663996b3 MS |
1757 | if (r < 0) |
1758 | return r; | |
1759 | ||
1760 | multiple_sessions = r > 0; | |
f5caa8fa | 1761 | blocked = manager_is_inhibited(m, a->inhibit_what, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
3a6ce677 | 1762 | interactive = flags & SD_LOGIND_INTERACTIVE; |
663996b3 | 1763 | |
ea0999c9 | 1764 | if (multiple_sessions) { |
f5caa8fa MB |
1765 | r = bus_verify_polkit_async( |
1766 | message, | |
1767 | CAP_SYS_BOOT, | |
1768 | a->polkit_action_multiple_sessions, | |
1769 | NULL, | |
1770 | interactive, | |
1771 | UID_INVALID, | |
1772 | &m->polkit_registry, | |
1773 | error); | |
663996b3 MS |
1774 | if (r < 0) |
1775 | return r; | |
60f067b4 JS |
1776 | if (r == 0) |
1777 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
663996b3 MS |
1778 | } |
1779 | ||
3a6ce677 BR |
1780 | if (blocked) { |
1781 | /* We don't check polkit for root here, because you can't be more privileged than root */ | |
1782 | if (uid == 0 && (flags & SD_LOGIND_ROOT_CHECK_INHIBITORS)) | |
1783 | return sd_bus_error_setf(error, SD_BUS_ERROR_ACCESS_DENIED, | |
1784 | "Access denied to root due to active block inhibitor"); | |
1785 | ||
f5caa8fa MB |
1786 | r = bus_verify_polkit_async(message, |
1787 | CAP_SYS_BOOT, | |
1788 | a->polkit_action_ignore_inhibit, | |
1789 | NULL, | |
1790 | interactive, | |
1791 | UID_INVALID, | |
1792 | &m->polkit_registry, | |
1793 | error); | |
ea0999c9 MB |
1794 | if (r < 0) |
1795 | return r; | |
1796 | if (r == 0) | |
1797 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
663996b3 MS |
1798 | } |
1799 | ||
ea0999c9 | 1800 | if (!multiple_sessions && !blocked) { |
f5caa8fa MB |
1801 | r = bus_verify_polkit_async(message, |
1802 | CAP_SYS_BOOT, | |
1803 | a->polkit_action, | |
1804 | NULL, | |
1805 | interactive, | |
1806 | UID_INVALID, | |
1807 | &m->polkit_registry, | |
1808 | error); | |
663996b3 MS |
1809 | if (r < 0) |
1810 | return r; | |
60f067b4 JS |
1811 | if (r == 0) |
1812 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
663996b3 MS |
1813 | } |
1814 | ||
e3bff60a MP |
1815 | return 0; |
1816 | } | |
1817 | ||
f5caa8fa MB |
1818 | static int setup_wall_message_timer(Manager *m, sd_bus_message* message) { |
1819 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; | |
1820 | int r; | |
1821 | ||
1822 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
1823 | if (r >= 0) { | |
1824 | const char *tty = NULL; | |
1825 | ||
1826 | (void) sd_bus_creds_get_uid(creds, &m->scheduled_shutdown_uid); | |
1827 | (void) sd_bus_creds_get_tty(creds, &tty); | |
1828 | ||
1829 | r = free_and_strdup(&m->scheduled_shutdown_tty, tty); | |
1830 | if (r < 0) | |
1831 | return log_oom(); | |
1832 | } | |
1833 | ||
1834 | r = manager_setup_wall_message_timer(m); | |
1835 | if (r < 0) | |
1836 | return r; | |
1837 | ||
1838 | return 0; | |
1839 | } | |
1840 | ||
e3bff60a MP |
1841 | static int method_do_shutdown_or_sleep( |
1842 | Manager *m, | |
1843 | sd_bus_message *message, | |
f5caa8fa | 1844 | const HandleActionData *a, |
3a6ce677 | 1845 | bool with_flags, |
e3bff60a MP |
1846 | sd_bus_error *error) { |
1847 | ||
3a6ce677 BR |
1848 | uint64_t flags; |
1849 | int r; | |
e3bff60a MP |
1850 | |
1851 | assert(m); | |
1852 | assert(message); | |
f5caa8fa | 1853 | assert(a); |
e3bff60a | 1854 | |
3a6ce677 BR |
1855 | if (with_flags) { |
1856 | /* New style method: with flags parameter (and interactive bool in the bus message header) */ | |
1857 | r = sd_bus_message_read(message, "t", &flags); | |
1858 | if (r < 0) | |
1859 | return r; | |
1860 | if ((flags & ~SD_LOGIND_SHUTDOWN_AND_SLEEP_FLAGS_PUBLIC) != 0) | |
086111aa LB |
1861 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, |
1862 | "Invalid flags parameter"); | |
f5caa8fa | 1863 | if (a->handle != HANDLE_REBOOT && (flags & SD_LOGIND_REBOOT_VIA_KEXEC)) |
086111aa LB |
1864 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, |
1865 | "Reboot via kexec is only applicable with reboot operations"); | |
3a6ce677 BR |
1866 | } else { |
1867 | /* Old style method: no flags parameter, but interactive bool passed as boolean in | |
1868 | * payload. Let's convert this argument to the new-style flags parameter for our internal | |
1869 | * use. */ | |
1870 | int interactive; | |
1871 | ||
1872 | r = sd_bus_message_read(message, "b", &interactive); | |
1873 | if (r < 0) | |
1874 | return r; | |
1875 | ||
1876 | flags = interactive ? SD_LOGIND_INTERACTIVE : 0; | |
1877 | } | |
e3bff60a | 1878 | |
8b3d4ff0 | 1879 | if ((flags & SD_LOGIND_REBOOT_VIA_KEXEC) && kexec_loaded()) |
f5caa8fa | 1880 | a = handle_action_lookup(HANDLE_KEXEC); |
8b3d4ff0 | 1881 | |
e3bff60a | 1882 | /* Don't allow multiple jobs being executed at the same time */ |
f5caa8fa | 1883 | if (m->delayed_action) |
bb4f798a MB |
1884 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, |
1885 | "There's already a shutdown or sleep operation in progress"); | |
e3bff60a | 1886 | |
f5caa8fa MB |
1887 | if (a->sleep_operation >= 0) { |
1888 | r = can_sleep(a->sleep_operation); | |
b012e921 MB |
1889 | if (r == -ENOSPC) |
1890 | return sd_bus_error_set(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, | |
1891 | "Not enough swap space for hibernation"); | |
1892 | if (r == 0) | |
1893 | return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, | |
086111aa LB |
1894 | "Sleep verb \"%s\" not supported", |
1895 | sleep_operation_to_string(a->sleep_operation)); | |
e3bff60a MP |
1896 | if (r < 0) |
1897 | return r; | |
e3bff60a MP |
1898 | } |
1899 | ||
f5caa8fa | 1900 | r = verify_shutdown_creds(m, message, a, flags, error); |
e3bff60a MP |
1901 | if (r != 0) |
1902 | return r; | |
1903 | ||
f5caa8fa MB |
1904 | /* reset case we're shorting a scheduled shutdown */ |
1905 | m->unlink_nologin = false; | |
1906 | reset_scheduled_shutdown(m); | |
1907 | ||
1908 | m->scheduled_shutdown_timeout = 0; | |
1909 | m->scheduled_shutdown_action = a; | |
1910 | ||
1911 | (void) setup_wall_message_timer(m, message); | |
1912 | ||
1913 | r = bus_manager_shutdown_or_sleep_now_or_later(m, a, error); | |
60f067b4 JS |
1914 | if (r < 0) |
1915 | return r; | |
663996b3 | 1916 | |
60f067b4 | 1917 | return sd_bus_reply_method_return(message, NULL); |
663996b3 MS |
1918 | } |
1919 | ||
e3bff60a | 1920 | static int method_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 1921 | Manager *m = userdata; |
663996b3 | 1922 | |
60f067b4 JS |
1923 | return method_do_shutdown_or_sleep( |
1924 | m, message, | |
f5caa8fa | 1925 | handle_action_lookup(HANDLE_POWEROFF), |
3a6ce677 | 1926 | sd_bus_message_is_method_call(message, NULL, "PowerOffWithFlags"), |
60f067b4 JS |
1927 | error); |
1928 | } | |
663996b3 | 1929 | |
e3bff60a | 1930 | static int method_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 1931 | Manager *m = userdata; |
663996b3 | 1932 | |
60f067b4 JS |
1933 | return method_do_shutdown_or_sleep( |
1934 | m, message, | |
f5caa8fa | 1935 | handle_action_lookup(HANDLE_REBOOT), |
3a6ce677 | 1936 | sd_bus_message_is_method_call(message, NULL, "RebootWithFlags"), |
60f067b4 | 1937 | error); |
663996b3 MS |
1938 | } |
1939 | ||
f5e65279 MB |
1940 | static int method_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1941 | Manager *m = userdata; | |
1942 | ||
1943 | return method_do_shutdown_or_sleep( | |
1944 | m, message, | |
f5caa8fa | 1945 | handle_action_lookup(HANDLE_HALT), |
3a6ce677 | 1946 | sd_bus_message_is_method_call(message, NULL, "HaltWithFlags"), |
f5e65279 MB |
1947 | error); |
1948 | } | |
1949 | ||
e3bff60a | 1950 | static int method_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 1951 | Manager *m = userdata; |
663996b3 | 1952 | |
60f067b4 JS |
1953 | return method_do_shutdown_or_sleep( |
1954 | m, message, | |
f5caa8fa | 1955 | handle_action_lookup(HANDLE_SUSPEND), |
3a6ce677 | 1956 | sd_bus_message_is_method_call(message, NULL, "SuspendWithFlags"), |
60f067b4 JS |
1957 | error); |
1958 | } | |
663996b3 | 1959 | |
f5e65279 MB |
1960 | static int method_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1961 | Manager *m = userdata; | |
1962 | ||
1963 | return method_do_shutdown_or_sleep( | |
1964 | m, message, | |
f5caa8fa | 1965 | handle_action_lookup(HANDLE_HIBERNATE), |
3a6ce677 | 1966 | sd_bus_message_is_method_call(message, NULL, "HibernateWithFlags"), |
f5e65279 MB |
1967 | error); |
1968 | } | |
1969 | ||
1970 | static int method_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
1971 | Manager *m = userdata; | |
1972 | ||
1973 | return method_do_shutdown_or_sleep( | |
1974 | m, message, | |
f5caa8fa | 1975 | handle_action_lookup(HANDLE_HYBRID_SLEEP), |
3a6ce677 | 1976 | sd_bus_message_is_method_call(message, NULL, "HybridSleepWithFlags"), |
f5e65279 MB |
1977 | error); |
1978 | } | |
1979 | ||
b012e921 MB |
1980 | static int method_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1981 | Manager *m = userdata; | |
1982 | ||
1983 | return method_do_shutdown_or_sleep( | |
1984 | m, message, | |
f5caa8fa | 1985 | handle_action_lookup(HANDLE_SUSPEND_THEN_HIBERNATE), |
3a6ce677 | 1986 | sd_bus_message_is_method_call(message, NULL, "SuspendThenHibernateWithFlags"), |
b012e921 MB |
1987 | error); |
1988 | } | |
1989 | ||
e3bff60a MP |
1990 | static int nologin_timeout_handler( |
1991 | sd_event_source *s, | |
1992 | uint64_t usec, | |
1993 | void *userdata) { | |
1994 | ||
1995 | Manager *m = userdata; | |
e3bff60a MP |
1996 | |
1997 | log_info("Creating /run/nologin, blocking further logins..."); | |
1998 | ||
98393f85 MB |
1999 | m->unlink_nologin = |
2000 | create_shutdown_run_nologin_or_warn() >= 0; | |
e3bff60a MP |
2001 | |
2002 | return 0; | |
2003 | } | |
2004 | ||
8b3d4ff0 MB |
2005 | static usec_t nologin_timeout_usec(usec_t elapse) { |
2006 | /* Issue /run/nologin five minutes before shutdown */ | |
2007 | return LESS_BY(elapse, 5 * USEC_PER_MINUTE); | |
2008 | } | |
2009 | ||
f5caa8fa MB |
2010 | void manager_load_scheduled_shutdown(Manager *m) { |
2011 | _cleanup_fclose_ FILE *f = NULL; | |
2012 | _cleanup_free_ char *usec = NULL, | |
2013 | *warn_wall = NULL, | |
2014 | *mode = NULL, | |
2015 | *wall_message = NULL, | |
2016 | *uid = NULL, | |
2017 | *tty = NULL; | |
2018 | int r; | |
2019 | ||
2020 | assert(m); | |
2021 | ||
2022 | r = parse_env_file(f, SHUTDOWN_SCHEDULE_FILE, | |
2023 | "USEC", &usec, | |
2024 | "WARN_WALL", &warn_wall, | |
2025 | "MODE", &mode, | |
2026 | "WALL_MESSAGE", &wall_message, | |
2027 | "UID", &uid, | |
2028 | "TTY", &tty); | |
2029 | ||
2030 | /* reset will delete the file */ | |
2031 | reset_scheduled_shutdown(m); | |
2032 | ||
2033 | if (r == -ENOENT) | |
2034 | return; | |
2035 | if (r < 0) | |
2036 | return (void) log_debug_errno(r, "Failed to parse " SHUTDOWN_SCHEDULE_FILE ": %m"); | |
2037 | ||
2038 | HandleAction handle = handle_action_from_string(mode); | |
2039 | if (handle < 0) | |
2040 | return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL), "Failed to parse scheduled shutdown type: %s", mode); | |
2041 | ||
2042 | if (!usec) | |
2043 | return (void) log_debug_errno(SYNTHETIC_ERRNO(EINVAL), "USEC is required"); | |
2044 | if (deserialize_usec(usec, &m->scheduled_shutdown_timeout) < 0) | |
2045 | return; | |
2046 | ||
2047 | /* assign parsed type only after we know usec is also valid */ | |
2048 | m->scheduled_shutdown_action = handle_action_lookup(handle); | |
2049 | ||
2050 | if (warn_wall) { | |
2051 | r = parse_boolean(warn_wall); | |
2052 | if (r < 0) | |
2053 | log_debug_errno(r, "Failed to parse enabling wall messages"); | |
2054 | else | |
2055 | m->enable_wall_messages = r; | |
2056 | } | |
2057 | ||
2058 | if (wall_message) { | |
2059 | _cleanup_free_ char *unescaped = NULL; | |
2060 | r = cunescape(wall_message, 0, &unescaped); | |
2061 | if (r < 0) | |
2062 | log_debug_errno(r, "Failed to parse wall message: %s", wall_message); | |
2063 | else | |
2064 | free_and_replace(m->wall_message, unescaped); | |
2065 | } | |
2066 | ||
2067 | if (uid) { | |
2068 | r = parse_uid(uid, &m->scheduled_shutdown_uid); | |
2069 | if (r < 0) | |
2070 | log_debug_errno(r, "Failed to parse wall uid: %s", uid); | |
2071 | } | |
2072 | ||
2073 | free_and_replace(m->scheduled_shutdown_tty, tty); | |
2074 | ||
2075 | r = manager_setup_shutdown_timers(m); | |
2076 | if (r < 0) | |
2077 | return reset_scheduled_shutdown(m); | |
2078 | ||
2079 | (void) manager_setup_wall_message_timer(m); | |
2080 | (void) update_schedule_file(m); | |
2081 | ||
2082 | return; | |
2083 | } | |
2084 | ||
e3bff60a | 2085 | static int update_schedule_file(Manager *m) { |
d9dfd233 | 2086 | _cleanup_free_ char *temp_path = NULL; |
e3bff60a | 2087 | _cleanup_fclose_ FILE *f = NULL; |
d9dfd233 | 2088 | int r; |
e3bff60a MP |
2089 | |
2090 | assert(m); | |
f5caa8fa | 2091 | assert(m->scheduled_shutdown_action); |
e3bff60a | 2092 | |
f5caa8fa | 2093 | r = mkdir_parents_label(SHUTDOWN_SCHEDULE_FILE, 0755); |
e3bff60a MP |
2094 | if (r < 0) |
2095 | return log_error_errno(r, "Failed to create shutdown subdirectory: %m"); | |
2096 | ||
f5caa8fa | 2097 | r = fopen_temporary(SHUTDOWN_SCHEDULE_FILE, &f, &temp_path); |
e3bff60a MP |
2098 | if (r < 0) |
2099 | return log_error_errno(r, "Failed to save information about scheduled shutdowns: %m"); | |
2100 | ||
2101 | (void) fchmod(fileno(f), 0644); | |
2102 | ||
f5caa8fa MB |
2103 | serialize_usec(f, "USEC", m->scheduled_shutdown_timeout); |
2104 | serialize_item_format(f, "WARN_WALL", "%s", one_zero(m->enable_wall_messages)); | |
2105 | serialize_item_format(f, "MODE", "%s", handle_action_to_string(m->scheduled_shutdown_action->handle)); | |
2106 | serialize_item_format(f, "UID", UID_FMT, m->scheduled_shutdown_uid); | |
e3bff60a | 2107 | |
f5caa8fa MB |
2108 | if (m->scheduled_shutdown_tty) |
2109 | serialize_item_format(f, "TTY", "%s", m->scheduled_shutdown_tty); | |
d9dfd233 | 2110 | |
f5caa8fa MB |
2111 | if (!isempty(m->wall_message)) { |
2112 | r = serialize_item_escaped(f, "WALL_MESSAGE", m->wall_message); | |
2113 | if (r < 0) | |
d9dfd233 | 2114 | goto fail; |
d9dfd233 | 2115 | } |
e3bff60a | 2116 | |
5fd56512 MP |
2117 | r = fflush_and_check(f); |
2118 | if (r < 0) | |
2119 | goto fail; | |
e3bff60a | 2120 | |
f5caa8fa | 2121 | if (rename(temp_path, SHUTDOWN_SCHEDULE_FILE) < 0) { |
e3bff60a | 2122 | r = -errno; |
5fd56512 | 2123 | goto fail; |
e3bff60a MP |
2124 | } |
2125 | ||
5fd56512 MP |
2126 | return 0; |
2127 | ||
2128 | fail: | |
2129 | (void) unlink(temp_path); | |
f5caa8fa | 2130 | (void) unlink(SHUTDOWN_SCHEDULE_FILE); |
5fd56512 MP |
2131 | |
2132 | return log_error_errno(r, "Failed to write information about scheduled shutdowns: %m"); | |
e3bff60a MP |
2133 | } |
2134 | ||
f5e65279 MB |
2135 | static void reset_scheduled_shutdown(Manager *m) { |
2136 | assert(m); | |
2137 | ||
2138 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2139 | m->wall_message_timeout_source = sd_event_source_unref(m->wall_message_timeout_source); | |
2140 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
2141 | ||
f5caa8fa MB |
2142 | m->scheduled_shutdown_action = NULL; |
2143 | m->scheduled_shutdown_timeout = USEC_INFINITY; | |
2144 | m->scheduled_shutdown_uid = UID_INVALID; | |
2145 | m->scheduled_shutdown_tty = mfree(m->scheduled_shutdown_tty); | |
2146 | m->wall_message = mfree(m->wall_message); | |
f5e65279 MB |
2147 | m->shutdown_dry_run = false; |
2148 | ||
2149 | if (m->unlink_nologin) { | |
98393f85 | 2150 | (void) unlink_or_warn("/run/nologin"); |
f5e65279 MB |
2151 | m->unlink_nologin = false; |
2152 | } | |
2153 | ||
f5caa8fa | 2154 | (void) unlink(SHUTDOWN_SCHEDULE_FILE); |
f5e65279 MB |
2155 | } |
2156 | ||
e3bff60a MP |
2157 | static int manager_scheduled_shutdown_handler( |
2158 | sd_event_source *s, | |
2159 | uint64_t usec, | |
2160 | void *userdata) { | |
2161 | ||
f5caa8fa | 2162 | const HandleActionData *a = NULL; |
4c89c718 | 2163 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
086111aa | 2164 | Manager *m = ASSERT_PTR(userdata); |
e3bff60a MP |
2165 | int r; |
2166 | ||
f5caa8fa MB |
2167 | a = m->scheduled_shutdown_action; |
2168 | assert(a); | |
e3bff60a | 2169 | |
f5e65279 | 2170 | /* Don't allow multiple jobs being executed at the same time */ |
f5caa8fa | 2171 | if (m->delayed_action) { |
f5e65279 | 2172 | r = -EALREADY; |
f5caa8fa | 2173 | log_error("Scheduled shutdown to %s failed: shutdown or sleep operation already in progress", a->target); |
f5e65279 MB |
2174 | goto error; |
2175 | } | |
2176 | ||
2177 | if (m->shutdown_dry_run) { | |
2178 | /* We do not process delay inhibitors here. Otherwise, we | |
2179 | * would have to be considered "in progress" (like the check | |
2180 | * above) for some seconds after our admin has seen the final | |
2181 | * wall message. */ | |
2182 | ||
f5caa8fa | 2183 | bus_manager_log_shutdown(m, a); |
f5e65279 MB |
2184 | log_info("Running in dry run, suppressing action."); |
2185 | reset_scheduled_shutdown(m); | |
2186 | ||
2187 | return 0; | |
2188 | } | |
2189 | ||
f5caa8fa | 2190 | r = bus_manager_shutdown_or_sleep_now_or_later(m, m->scheduled_shutdown_action, &error); |
f5e65279 | 2191 | if (r < 0) { |
f5caa8fa | 2192 | log_error_errno(r, "Scheduled shutdown to %s failed: %m", a->target); |
f5e65279 MB |
2193 | goto error; |
2194 | } | |
e3bff60a MP |
2195 | |
2196 | return 0; | |
f5e65279 MB |
2197 | |
2198 | error: | |
2199 | reset_scheduled_shutdown(m); | |
2200 | return r; | |
e3bff60a MP |
2201 | } |
2202 | ||
2203 | static int method_schedule_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
086111aa | 2204 | Manager *m = ASSERT_PTR(userdata); |
f5caa8fa MB |
2205 | HandleAction handle; |
2206 | const HandleActionData *a; | |
e3bff60a MP |
2207 | uint64_t elapse; |
2208 | char *type; | |
2209 | int r; | |
f5e65279 | 2210 | bool dry_run = false; |
e3bff60a | 2211 | |
e3bff60a MP |
2212 | assert(message); |
2213 | ||
2214 | r = sd_bus_message_read(message, "st", &type, &elapse); | |
2215 | if (r < 0) | |
2216 | return r; | |
2217 | ||
6300502b MP |
2218 | if (startswith(type, "dry-")) { |
2219 | type += 4; | |
f5e65279 | 2220 | dry_run = true; |
6300502b MP |
2221 | } |
2222 | ||
f5caa8fa MB |
2223 | handle = handle_action_from_string(type); |
2224 | if (!IN_SET(handle, HANDLE_POWEROFF, HANDLE_REBOOT, HANDLE_HALT, HANDLE_KEXEC)) | |
8b3d4ff0 | 2225 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Unsupported shutdown type"); |
e3bff60a | 2226 | |
f5caa8fa MB |
2227 | a = handle_action_lookup(handle); |
2228 | assert(a); | |
2229 | assert(a->polkit_action); | |
2230 | ||
2231 | r = verify_shutdown_creds(m, message, a, 0, error); | |
e3bff60a MP |
2232 | if (r != 0) |
2233 | return r; | |
2234 | ||
f5caa8fa | 2235 | m->scheduled_shutdown_action = a; |
f5e65279 | 2236 | m->shutdown_dry_run = dry_run; |
e3bff60a MP |
2237 | m->scheduled_shutdown_timeout = elapse; |
2238 | ||
f5caa8fa MB |
2239 | r = manager_setup_shutdown_timers(m); |
2240 | if (r < 0) | |
2241 | return r; | |
e3bff60a | 2242 | |
f5caa8fa MB |
2243 | r = setup_wall_message_timer(m, message); |
2244 | if (r >= 0) | |
2245 | r = update_schedule_file(m); | |
e3bff60a | 2246 | |
f5caa8fa MB |
2247 | if (r < 0) { |
2248 | reset_scheduled_shutdown(m); | |
2249 | return r; | |
e3bff60a MP |
2250 | } |
2251 | ||
f5caa8fa MB |
2252 | return sd_bus_reply_method_return(message, NULL); |
2253 | } | |
2254 | ||
2255 | static int manager_setup_shutdown_timers(Manager* m) { | |
2256 | int r; | |
2257 | ||
2258 | r = event_reset_time(m->event, &m->scheduled_shutdown_timeout_source, | |
2259 | CLOCK_REALTIME, | |
2260 | m->scheduled_shutdown_timeout, 0, | |
2261 | manager_scheduled_shutdown_handler, m, | |
2262 | 0, "scheduled-shutdown-timeout", true); | |
e3bff60a | 2263 | if (r < 0) |
f5caa8fa | 2264 | goto fail; |
e3bff60a | 2265 | |
f5caa8fa MB |
2266 | r = event_reset_time(m->event, &m->nologin_timeout_source, |
2267 | CLOCK_REALTIME, | |
2268 | nologin_timeout_usec(m->scheduled_shutdown_timeout), 0, | |
2269 | nologin_timeout_handler, m, | |
2270 | 0, "nologin-timeout", true); | |
f5e65279 | 2271 | if (r < 0) |
f5caa8fa | 2272 | goto fail; |
e3bff60a | 2273 | |
f5caa8fa MB |
2274 | return 0; |
2275 | ||
2276 | fail: | |
2277 | m->scheduled_shutdown_timeout_source = sd_event_source_unref(m->scheduled_shutdown_timeout_source); | |
2278 | m->nologin_timeout_source = sd_event_source_unref(m->nologin_timeout_source); | |
2279 | ||
2280 | return r; | |
e3bff60a MP |
2281 | } |
2282 | ||
2283 | static int method_cancel_scheduled_shutdown(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
086111aa | 2284 | Manager *m = ASSERT_PTR(userdata); |
f5caa8fa | 2285 | const HandleActionData *a; |
e3bff60a | 2286 | bool cancelled; |
f5caa8fa | 2287 | int r; |
e3bff60a | 2288 | |
e3bff60a MP |
2289 | assert(message); |
2290 | ||
f5caa8fa MB |
2291 | cancelled = m->scheduled_shutdown_action |
2292 | && !IN_SET(m->scheduled_shutdown_action->handle, HANDLE_IGNORE, _HANDLE_ACTION_INVALID); | |
2293 | if (!cancelled) | |
2294 | return sd_bus_reply_method_return(message, "b", false); | |
2295 | ||
2296 | a = m->scheduled_shutdown_action; | |
2297 | if (!a->polkit_action) | |
2298 | return sd_bus_error_set(error, SD_BUS_ERROR_AUTH_FAILED, "Unsupported shutdown type"); | |
2299 | ||
2300 | r = bus_verify_polkit_async( | |
2301 | message, | |
2302 | CAP_SYS_BOOT, | |
2303 | a->polkit_action, | |
2304 | NULL, | |
2305 | false, | |
2306 | UID_INVALID, | |
2307 | &m->polkit_registry, | |
2308 | error); | |
2309 | if (r < 0) | |
2310 | return r; | |
2311 | if (r == 0) | |
2312 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2313 | ||
f5caa8fa | 2314 | if (m->enable_wall_messages) { |
4c89c718 | 2315 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
e3bff60a MP |
2316 | const char *tty = NULL; |
2317 | uid_t uid = 0; | |
e3bff60a MP |
2318 | |
2319 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_AUGMENT|SD_BUS_CREDS_TTY|SD_BUS_CREDS_UID, &creds); | |
2320 | if (r >= 0) { | |
2321 | (void) sd_bus_creds_get_uid(creds, &uid); | |
2322 | (void) sd_bus_creds_get_tty(creds, &tty); | |
2323 | } | |
2324 | ||
086111aa LB |
2325 | _cleanup_free_ char *username = uid_to_name(uid); |
2326 | ||
2327 | log_struct(LOG_INFO, | |
2328 | LOG_MESSAGE("System shutdown has been cancelled"), | |
2329 | "ACTION=%s", handle_action_to_string(a->handle), | |
2330 | "MESSAGE_ID=" SD_MESSAGE_SHUTDOWN_CANCELED_STR, | |
2331 | username ? "OPERATOR=%s" : NULL, username); | |
2332 | ||
2333 | utmp_wall("System shutdown has been cancelled", | |
6e866b33 | 2334 | username, tty, logind_wall_tty_filter, m); |
e3bff60a MP |
2335 | } |
2336 | ||
cfd0f778 MB |
2337 | reset_scheduled_shutdown(m); |
2338 | ||
f5caa8fa | 2339 | return sd_bus_reply_method_return(message, "b", true); |
e3bff60a MP |
2340 | } |
2341 | ||
60f067b4 | 2342 | static int method_can_shutdown_or_sleep( |
663996b3 | 2343 | Manager *m, |
60f067b4 | 2344 | sd_bus_message *message, |
f5caa8fa | 2345 | const HandleActionData *a, |
60f067b4 | 2346 | sd_bus_error *error) { |
663996b3 | 2347 | |
4c89c718 | 2348 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
60f067b4 JS |
2349 | bool multiple_sessions, challenge, blocked; |
2350 | const char *result = NULL; | |
2351 | uid_t uid; | |
663996b3 | 2352 | int r; |
663996b3 MS |
2353 | |
2354 | assert(m); | |
663996b3 | 2355 | assert(message); |
f5caa8fa MB |
2356 | assert(a); |
2357 | ||
2358 | if (a->sleep_operation >= 0) { | |
2359 | r = can_sleep(a->sleep_operation); | |
b012e921 MB |
2360 | if (IN_SET(r, 0, -ENOSPC)) |
2361 | return sd_bus_reply_method_return(message, "s", "na"); | |
663996b3 MS |
2362 | if (r < 0) |
2363 | return r; | |
663996b3 MS |
2364 | } |
2365 | ||
e735f4d4 | 2366 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); |
60f067b4 JS |
2367 | if (r < 0) |
2368 | return r; | |
2369 | ||
e735f4d4 | 2370 | r = sd_bus_creds_get_euid(creds, &uid); |
60f067b4 JS |
2371 | if (r < 0) |
2372 | return r; | |
663996b3 | 2373 | |
60f067b4 | 2374 | r = have_multiple_sessions(m, uid); |
663996b3 MS |
2375 | if (r < 0) |
2376 | return r; | |
2377 | ||
2378 | multiple_sessions = r > 0; | |
f5caa8fa | 2379 | blocked = manager_is_inhibited(m, a->inhibit_what, INHIBIT_BLOCK, NULL, false, true, uid, NULL); |
663996b3 | 2380 | |
f5caa8fa | 2381 | HandleAction handle = handle_action_from_string(sleep_operation_to_string(a->sleep_operation)); |
b012e921 MB |
2382 | if (handle >= 0) { |
2383 | const char *target; | |
2384 | ||
f5caa8fa | 2385 | target = handle_action_lookup(handle)->target; |
b012e921 MB |
2386 | if (target) { |
2387 | _cleanup_free_ char *load_state = NULL; | |
2388 | ||
2389 | r = unit_load_state(m->bus, target, &load_state); | |
2390 | if (r < 0) | |
2391 | return r; | |
2392 | ||
2393 | if (!streq(load_state, "loaded")) { | |
2394 | result = "no"; | |
2395 | goto finish; | |
2396 | } | |
2397 | } | |
2398 | } | |
2399 | ||
663996b3 | 2400 | if (multiple_sessions) { |
f5caa8fa | 2401 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action_multiple_sessions, NULL, UID_INVALID, &challenge, error); |
663996b3 MS |
2402 | if (r < 0) |
2403 | return r; | |
60f067b4 JS |
2404 | |
2405 | if (r > 0) | |
2406 | result = "yes"; | |
2407 | else if (challenge) | |
2408 | result = "challenge"; | |
2409 | else | |
2410 | result = "no"; | |
663996b3 MS |
2411 | } |
2412 | ||
2413 | if (blocked) { | |
f5caa8fa | 2414 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action_ignore_inhibit, NULL, UID_INVALID, &challenge, error); |
663996b3 MS |
2415 | if (r < 0) |
2416 | return r; | |
60f067b4 | 2417 | |
6e866b33 MB |
2418 | if (r > 0) { |
2419 | if (!result) | |
2420 | result = "yes"; | |
2421 | } else if (challenge) { | |
2422 | if (!result || streq(result, "yes")) | |
2423 | result = "challenge"; | |
2424 | } else | |
60f067b4 | 2425 | result = "no"; |
663996b3 MS |
2426 | } |
2427 | ||
2428 | if (!multiple_sessions && !blocked) { | |
60f067b4 JS |
2429 | /* If neither inhibit nor multiple sessions |
2430 | * apply then just check the normal policy */ | |
2431 | ||
f5caa8fa | 2432 | r = bus_test_polkit(message, CAP_SYS_BOOT, a->polkit_action, NULL, UID_INVALID, &challenge, error); |
663996b3 MS |
2433 | if (r < 0) |
2434 | return r; | |
663996b3 | 2435 | |
60f067b4 JS |
2436 | if (r > 0) |
2437 | result = "yes"; | |
2438 | else if (challenge) | |
2439 | result = "challenge"; | |
2440 | else | |
2441 | result = "no"; | |
2442 | } | |
663996b3 | 2443 | |
b012e921 | 2444 | finish: |
60f067b4 | 2445 | return sd_bus_reply_method_return(message, "s", result); |
663996b3 MS |
2446 | } |
2447 | ||
e3bff60a | 2448 | static int method_can_poweroff(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
663996b3 MS |
2449 | Manager *m = userdata; |
2450 | ||
60f067b4 | 2451 | return method_can_shutdown_or_sleep( |
f5caa8fa | 2452 | m, message, handle_action_lookup(HANDLE_POWEROFF), |
60f067b4 JS |
2453 | error); |
2454 | } | |
663996b3 | 2455 | |
e3bff60a | 2456 | static int method_can_reboot(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 2457 | Manager *m = userdata; |
663996b3 | 2458 | |
60f067b4 | 2459 | return method_can_shutdown_or_sleep( |
f5caa8fa | 2460 | m, message, handle_action_lookup(HANDLE_REBOOT), |
60f067b4 JS |
2461 | error); |
2462 | } | |
663996b3 | 2463 | |
f5e65279 MB |
2464 | static int method_can_halt(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2465 | Manager *m = userdata; | |
2466 | ||
2467 | return method_can_shutdown_or_sleep( | |
f5caa8fa | 2468 | m, message, handle_action_lookup(HANDLE_HALT), |
f5e65279 MB |
2469 | error); |
2470 | } | |
2471 | ||
e3bff60a | 2472 | static int method_can_suspend(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 2473 | Manager *m = userdata; |
663996b3 | 2474 | |
60f067b4 | 2475 | return method_can_shutdown_or_sleep( |
f5caa8fa | 2476 | m, message, handle_action_lookup(HANDLE_SUSPEND), |
60f067b4 JS |
2477 | error); |
2478 | } | |
663996b3 | 2479 | |
e3bff60a | 2480 | static int method_can_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 2481 | Manager *m = userdata; |
663996b3 | 2482 | |
60f067b4 | 2483 | return method_can_shutdown_or_sleep( |
f5caa8fa | 2484 | m, message, handle_action_lookup(HANDLE_HIBERNATE), |
60f067b4 JS |
2485 | error); |
2486 | } | |
663996b3 | 2487 | |
e3bff60a | 2488 | static int method_can_hybrid_sleep(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 2489 | Manager *m = userdata; |
663996b3 | 2490 | |
60f067b4 | 2491 | return method_can_shutdown_or_sleep( |
f5caa8fa | 2492 | m, message, handle_action_lookup(HANDLE_HYBRID_SLEEP), |
60f067b4 JS |
2493 | error); |
2494 | } | |
663996b3 | 2495 | |
b012e921 MB |
2496 | static int method_can_suspend_then_hibernate(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2497 | Manager *m = userdata; | |
2498 | ||
2499 | return method_can_shutdown_or_sleep( | |
f5caa8fa | 2500 | m, message, handle_action_lookup(HANDLE_SUSPEND_THEN_HIBERNATE), |
b012e921 MB |
2501 | error); |
2502 | } | |
2503 | ||
bb4f798a MB |
2504 | static int property_get_reboot_parameter( |
2505 | sd_bus *bus, | |
2506 | const char *path, | |
2507 | const char *interface, | |
2508 | const char *property, | |
2509 | sd_bus_message *reply, | |
2510 | void *userdata, | |
2511 | sd_bus_error *error) { | |
2512 | _cleanup_free_ char *parameter = NULL; | |
2513 | int r; | |
2514 | ||
2515 | assert(bus); | |
2516 | assert(reply); | |
2517 | assert(userdata); | |
2518 | ||
2519 | r = read_reboot_parameter(¶meter); | |
2520 | if (r < 0) | |
2521 | return r; | |
2522 | ||
2523 | return sd_bus_message_append(reply, "s", parameter); | |
2524 | } | |
2525 | ||
2526 | static int method_set_reboot_parameter( | |
2527 | sd_bus_message *message, | |
2528 | void *userdata, | |
2529 | sd_bus_error *error) { | |
2530 | ||
086111aa | 2531 | Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2532 | const char *arg; |
2533 | int r; | |
2534 | ||
2535 | assert(message); | |
bb4f798a MB |
2536 | |
2537 | r = sd_bus_message_read(message, "s", &arg); | |
2538 | if (r < 0) | |
2539 | return r; | |
2540 | ||
2541 | r = detect_container(); | |
2542 | if (r < 0) | |
2543 | return r; | |
2544 | if (r > 0) | |
2545 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, | |
2546 | "Reboot parameter not supported in containers, refusing."); | |
2547 | ||
2548 | r = bus_verify_polkit_async(message, | |
2549 | CAP_SYS_ADMIN, | |
2550 | "org.freedesktop.login1.set-reboot-parameter", | |
2551 | NULL, | |
2552 | false, | |
2553 | UID_INVALID, | |
2554 | &m->polkit_registry, | |
2555 | error); | |
2556 | if (r < 0) | |
2557 | return r; | |
2558 | if (r == 0) | |
2559 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2560 | ||
2561 | r = update_reboot_parameter_and_warn(arg, false); | |
2562 | if (r < 0) | |
2563 | return r; | |
2564 | ||
2565 | return sd_bus_reply_method_return(message, NULL); | |
2566 | } | |
2567 | ||
2568 | static int method_can_reboot_parameter( | |
2569 | sd_bus_message *message, | |
2570 | void *userdata, | |
2571 | sd_bus_error *error) { | |
2572 | ||
086111aa | 2573 | _unused_ Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2574 | int r; |
2575 | ||
2576 | assert(message); | |
bb4f798a MB |
2577 | |
2578 | r = detect_container(); | |
2579 | if (r < 0) | |
2580 | return r; | |
2581 | if (r > 0) /* Inside containers, specifying a reboot parameter, doesn't make much sense */ | |
2582 | return sd_bus_reply_method_return(message, "s", "na"); | |
2583 | ||
2584 | return return_test_polkit( | |
2585 | message, | |
2586 | CAP_SYS_ADMIN, | |
2587 | "org.freedesktop.login1.set-reboot-parameter", | |
2588 | NULL, | |
2589 | UID_INVALID, | |
2590 | error); | |
2591 | } | |
2592 | ||
e3bff60a MP |
2593 | static int property_get_reboot_to_firmware_setup( |
2594 | sd_bus *bus, | |
2595 | const char *path, | |
2596 | const char *interface, | |
2597 | const char *property, | |
2598 | sd_bus_message *reply, | |
2599 | void *userdata, | |
2600 | sd_bus_error *error) { | |
2601 | int r; | |
2602 | ||
2603 | assert(bus); | |
2604 | assert(reply); | |
2605 | assert(userdata); | |
2606 | ||
bb4f798a MB |
2607 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2608 | if (r == -ENXIO) { | |
2609 | /* EFI case: let's see what is currently configured in the EFI variables */ | |
2610 | r = efi_get_reboot_to_firmware(); | |
2611 | if (r < 0 && r != -EOPNOTSUPP) | |
2612 | log_warning_errno(r, "Failed to determine reboot-to-firmware-setup state: %m"); | |
2613 | } else if (r < 0) | |
2614 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2615 | else if (r > 0) { | |
2616 | /* Non-EFI case: let's see whether /run/systemd/reboot-to-firmware-setup exists. */ | |
2617 | if (access("/run/systemd/reboot-to-firmware-setup", F_OK) < 0) { | |
2618 | if (errno != ENOENT) | |
2619 | log_warning_errno(errno, "Failed to check whether /run/systemd/reboot-to-firmware-setup exists: %m"); | |
2620 | ||
2621 | r = false; | |
2622 | } else | |
2623 | r = true; | |
2624 | } | |
e3bff60a MP |
2625 | |
2626 | return sd_bus_message_append(reply, "b", r > 0); | |
2627 | } | |
2628 | ||
2629 | static int method_set_reboot_to_firmware_setup( | |
2630 | sd_bus_message *message, | |
2631 | void *userdata, | |
2632 | sd_bus_error *error) { | |
2633 | ||
086111aa | 2634 | Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2635 | bool use_efi; |
2636 | int b, r; | |
e3bff60a MP |
2637 | |
2638 | assert(message); | |
e3bff60a MP |
2639 | |
2640 | r = sd_bus_message_read(message, "b", &b); | |
2641 | if (r < 0) | |
2642 | return r; | |
2643 | ||
bb4f798a MB |
2644 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); |
2645 | if (r == -ENXIO) { | |
2646 | /* EFI case: let's see what the firmware supports */ | |
2647 | ||
2648 | r = efi_reboot_to_firmware_supported(); | |
2649 | if (r == -EOPNOTSUPP) | |
8b3d4ff0 | 2650 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); |
bb4f798a MB |
2651 | if (r < 0) |
2652 | return r; | |
2653 | ||
2654 | use_efi = true; | |
2655 | ||
2656 | } else if (r <= 0) { | |
2657 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to off */ | |
2658 | ||
2659 | if (r < 0) | |
2660 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2661 | ||
8b3d4ff0 | 2662 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Firmware does not support boot into firmware."); |
bb4f798a MB |
2663 | } else |
2664 | /* non-EFI case: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP is set to on */ | |
2665 | use_efi = false; | |
2666 | ||
e3bff60a MP |
2667 | r = bus_verify_polkit_async(message, |
2668 | CAP_SYS_ADMIN, | |
2669 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
d9dfd233 | 2670 | NULL, |
e3bff60a MP |
2671 | false, |
2672 | UID_INVALID, | |
2673 | &m->polkit_registry, | |
2674 | error); | |
2675 | if (r < 0) | |
2676 | return r; | |
2677 | if (r == 0) | |
2678 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2679 | ||
bb4f798a MB |
2680 | if (use_efi) { |
2681 | r = efi_set_reboot_to_firmware(b); | |
2682 | if (r < 0) | |
2683 | return r; | |
2684 | } else { | |
2685 | if (b) { | |
2686 | r = touch("/run/systemd/reboot-to-firmware-setup"); | |
2687 | if (r < 0) | |
2688 | return r; | |
2689 | } else { | |
2690 | if (unlink("/run/systemd/reboot-to-firmware-setup") < 0 && errno != ENOENT) | |
2691 | return -errno; | |
2692 | } | |
2693 | } | |
2694 | ||
2695 | return sd_bus_reply_method_return(message, NULL); | |
2696 | } | |
2697 | ||
2698 | static int method_can_reboot_to_firmware_setup( | |
2699 | sd_bus_message *message, | |
2700 | void *userdata, | |
2701 | sd_bus_error *error) { | |
2702 | ||
086111aa | 2703 | _unused_ Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2704 | int r; |
2705 | ||
2706 | assert(message); | |
bb4f798a MB |
2707 | |
2708 | r = getenv_bool("SYSTEMD_REBOOT_TO_FIRMWARE_SETUP"); | |
2709 | if (r == -ENXIO) { | |
2710 | /* EFI case: let's see what the firmware supports */ | |
2711 | ||
2712 | r = efi_reboot_to_firmware_supported(); | |
2713 | if (r < 0) { | |
2714 | if (r != -EOPNOTSUPP) | |
2715 | log_warning_errno(r, "Failed to determine whether reboot to firmware is supported: %m"); | |
2716 | ||
2717 | return sd_bus_reply_method_return(message, "s", "na"); | |
2718 | } | |
2719 | ||
2720 | } else if (r <= 0) { | |
2721 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP */ | |
2722 | ||
2723 | if (r < 0) | |
2724 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP: %m"); | |
2725 | ||
2726 | return sd_bus_reply_method_return(message, "s", "na"); | |
2727 | } | |
2728 | ||
2729 | return return_test_polkit( | |
2730 | message, | |
2731 | CAP_SYS_ADMIN, | |
2732 | "org.freedesktop.login1.set-reboot-to-firmware-setup", | |
2733 | NULL, | |
2734 | UID_INVALID, | |
2735 | error); | |
2736 | } | |
2737 | ||
2738 | static int property_get_reboot_to_boot_loader_menu( | |
2739 | sd_bus *bus, | |
2740 | const char *path, | |
2741 | const char *interface, | |
2742 | const char *property, | |
2743 | sd_bus_message *reply, | |
2744 | void *userdata, | |
2745 | sd_bus_error *error) { | |
2746 | ||
2747 | uint64_t x = UINT64_MAX; | |
2748 | int r; | |
2749 | ||
2750 | assert(bus); | |
2751 | assert(reply); | |
2752 | assert(userdata); | |
2753 | ||
2754 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2755 | if (r == -ENXIO) { | |
8f232108 | 2756 | /* EFI case: returns the current value of LoaderConfigTimeoutOneShot. Three cases are distinguished: |
bb4f798a MB |
2757 | * |
2758 | * 1. Variable not set, boot into boot loader menu is not enabled (we return UINT64_MAX to the user) | |
2759 | * 2. Variable set to "0", boot into boot loader menu is enabled with no timeout (we return 0 to the user) | |
2760 | * 3. Variable set to numeric value formatted in ASCII, boot into boot loader menu with the specified timeout in seconds | |
2761 | */ | |
2762 | ||
a10f5d05 | 2763 | r = efi_loader_get_config_timeout_one_shot(&x); |
bb4f798a MB |
2764 | if (r < 0) { |
2765 | if (r != -ENOENT) | |
a10f5d05 | 2766 | log_warning_errno(r, "Failed to read LoaderConfigTimeoutOneShot variable, ignoring: %m"); |
bb4f798a MB |
2767 | } |
2768 | ||
2769 | } else if (r < 0) | |
2770 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2771 | else if (r > 0) { | |
2772 | _cleanup_free_ char *v = NULL; | |
2773 | ||
2774 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-menu. */ | |
2775 | ||
2776 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-menu", &v); | |
2777 | if (r < 0) { | |
2778 | if (r != -ENOENT) | |
2779 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2780 | } else { | |
2781 | r = safe_atou64(v, &x); | |
2782 | if (r < 0) | |
2783 | log_warning_errno(r, "Failed to parse /run/systemd/reboot-to-boot-loader-menu: %m"); | |
2784 | } | |
2785 | } | |
2786 | ||
2787 | return sd_bus_message_append(reply, "t", x); | |
2788 | } | |
2789 | ||
2790 | static int method_set_reboot_to_boot_loader_menu( | |
2791 | sd_bus_message *message, | |
2792 | void *userdata, | |
2793 | sd_bus_error *error) { | |
2794 | ||
086111aa | 2795 | Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2796 | bool use_efi; |
2797 | uint64_t x; | |
2798 | int r; | |
2799 | ||
2800 | assert(message); | |
bb4f798a MB |
2801 | |
2802 | r = sd_bus_message_read(message, "t", &x); | |
e3bff60a MP |
2803 | if (r < 0) |
2804 | return r; | |
2805 | ||
bb4f798a MB |
2806 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); |
2807 | if (r == -ENXIO) { | |
2808 | uint64_t features; | |
2809 | ||
2810 | /* EFI case: let's see if booting into boot loader menu is supported. */ | |
2811 | ||
2812 | r = efi_loader_get_features(&features); | |
2813 | if (r < 0) | |
2814 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2815 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
8b3d4ff0 | 2816 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); |
bb4f798a MB |
2817 | |
2818 | use_efi = true; | |
2819 | ||
2820 | } else if (r <= 0) { | |
2821 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to off */ | |
2822 | ||
2823 | if (r < 0) | |
2824 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2825 | ||
8b3d4ff0 | 2826 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader does not support boot into boot loader menu."); |
bb4f798a MB |
2827 | } else |
2828 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU is set to on */ | |
2829 | use_efi = false; | |
2830 | ||
2831 | r = bus_verify_polkit_async(message, | |
2832 | CAP_SYS_ADMIN, | |
2833 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2834 | NULL, | |
2835 | false, | |
2836 | UID_INVALID, | |
2837 | &m->polkit_registry, | |
2838 | error); | |
2839 | if (r < 0) | |
2840 | return r; | |
2841 | if (r == 0) | |
2842 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
2843 | ||
2844 | if (use_efi) { | |
2845 | if (x == UINT64_MAX) | |
8b3d4ff0 | 2846 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), NULL, 0); |
bb4f798a MB |
2847 | else { |
2848 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2849 | xsprintf(buf, "%" PRIu64, DIV_ROUND_UP(x, USEC_PER_SEC)); /* second granularity */ | |
2850 | ||
8b3d4ff0 | 2851 | r = efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderConfigTimeoutOneShot), buf); |
bb4f798a MB |
2852 | } |
2853 | if (r < 0) | |
2854 | return r; | |
2855 | } else { | |
2856 | if (x == UINT64_MAX) { | |
478ed938 | 2857 | if (unlink("/run/systemd/reboot-to-boot-loader-menu") < 0 && errno != ENOENT) |
bb4f798a MB |
2858 | return -errno; |
2859 | } else { | |
2860 | char buf[DECIMAL_STR_MAX(uint64_t) + 1]; | |
2861 | ||
2862 | xsprintf(buf, "%" PRIu64, x); /* µs granularity */ | |
2863 | ||
478ed938 | 2864 | r = write_string_file_atomic_label("/run/systemd/reboot-to-boot-loader-menu", buf); |
bb4f798a MB |
2865 | if (r < 0) |
2866 | return r; | |
2867 | } | |
2868 | } | |
2869 | ||
e3bff60a MP |
2870 | return sd_bus_reply_method_return(message, NULL); |
2871 | } | |
2872 | ||
bb4f798a | 2873 | static int method_can_reboot_to_boot_loader_menu( |
e3bff60a MP |
2874 | sd_bus_message *message, |
2875 | void *userdata, | |
2876 | sd_bus_error *error) { | |
2877 | ||
086111aa | 2878 | _unused_ Manager *m = ASSERT_PTR(userdata); |
e3bff60a | 2879 | int r; |
bb4f798a MB |
2880 | |
2881 | assert(message); | |
bb4f798a MB |
2882 | |
2883 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU"); | |
2884 | if (r == -ENXIO) { | |
2885 | uint64_t features = 0; | |
2886 | ||
2887 | /* EFI case, let's see if booting into boot loader menu is supported. */ | |
2888 | ||
2889 | r = efi_loader_get_features(&features); | |
2890 | if (r < 0) | |
2891 | log_warning_errno(r, "Failed to determine whether reboot to boot loader menu is supported: %m"); | |
2892 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_CONFIG_TIMEOUT_ONE_SHOT)) | |
2893 | return sd_bus_reply_method_return(message, "s", "na"); | |
2894 | ||
2895 | } else if (r <= 0) { | |
2896 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU */ | |
2897 | ||
2898 | if (r < 0) | |
2899 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU: %m"); | |
2900 | ||
2901 | return sd_bus_reply_method_return(message, "s", "na"); | |
2902 | } | |
2903 | ||
2904 | return return_test_polkit( | |
2905 | message, | |
2906 | CAP_SYS_ADMIN, | |
2907 | "org.freedesktop.login1.set-reboot-to-boot-loader-menu", | |
2908 | NULL, | |
2909 | UID_INVALID, | |
2910 | error); | |
2911 | } | |
2912 | ||
2913 | static int property_get_reboot_to_boot_loader_entry( | |
2914 | sd_bus *bus, | |
2915 | const char *path, | |
2916 | const char *interface, | |
2917 | const char *property, | |
2918 | sd_bus_message *reply, | |
2919 | void *userdata, | |
2920 | sd_bus_error *error) { | |
2921 | ||
2922 | _cleanup_free_ char *v = NULL; | |
086111aa | 2923 | Manager *m = ASSERT_PTR(userdata); |
a10f5d05 | 2924 | const char *x = NULL; |
bb4f798a MB |
2925 | int r; |
2926 | ||
2927 | assert(bus); | |
2928 | assert(reply); | |
bb4f798a MB |
2929 | |
2930 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
2931 | if (r == -ENXIO) { | |
2932 | /* EFI case: let's read the LoaderEntryOneShot variable */ | |
2933 | ||
a10f5d05 | 2934 | r = efi_loader_update_entry_one_shot_cache(&m->efi_loader_entry_one_shot, &m->efi_loader_entry_one_shot_stat); |
bb4f798a MB |
2935 | if (r < 0) { |
2936 | if (r != -ENOENT) | |
a10f5d05 MB |
2937 | log_warning_errno(r, "Failed to read LoaderEntryOneShot variable, ignoring: %m"); |
2938 | } else | |
2939 | x = m->efi_loader_entry_one_shot; | |
2940 | ||
bb4f798a MB |
2941 | } else if (r < 0) |
2942 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
2943 | else if (r > 0) { | |
2944 | ||
2945 | /* Non-EFI case, let's process /run/systemd/reboot-to-boot-loader-entry. */ | |
2946 | ||
2947 | r = read_one_line_file("/run/systemd/reboot-to-boot-loader-entry", &v); | |
2948 | if (r < 0) { | |
2949 | if (r != -ENOENT) | |
a10f5d05 MB |
2950 | log_warning_errno(r, "Failed to read /run/systemd/reboot-to-boot-loader-entry, ignoring: %m"); |
2951 | } else if (!efi_loader_entry_name_valid(v)) | |
bb4f798a | 2952 | log_warning("/run/systemd/reboot-to-boot-loader-entry is not valid, ignoring."); |
a10f5d05 MB |
2953 | else |
2954 | x = v; | |
bb4f798a MB |
2955 | } |
2956 | ||
a10f5d05 | 2957 | return sd_bus_message_append(reply, "s", x); |
bb4f798a MB |
2958 | } |
2959 | ||
a10f5d05 | 2960 | static int boot_loader_entry_exists(Manager *m, const char *id) { |
f5caa8fa | 2961 | _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL; |
bb4f798a MB |
2962 | int r; |
2963 | ||
a10f5d05 | 2964 | assert(m); |
bb4f798a MB |
2965 | assert(id); |
2966 | ||
f5caa8fa | 2967 | r = boot_config_load_auto(&config, NULL, NULL); |
bb4f798a MB |
2968 | if (r < 0 && r != -ENOKEY) /* don't complain if no GPT is found, hence skip ENOKEY */ |
2969 | return r; | |
2970 | ||
a10f5d05 MB |
2971 | r = manager_read_efi_boot_loader_entries(m); |
2972 | if (r >= 0) | |
f5caa8fa | 2973 | (void) boot_config_augment_from_loader(&config, m->efi_boot_loader_entries, /* auto_only= */ true); |
bb4f798a | 2974 | |
f5caa8fa | 2975 | return !!boot_config_find_entry(&config, id); |
bb4f798a MB |
2976 | } |
2977 | ||
2978 | static int method_set_reboot_to_boot_loader_entry( | |
2979 | sd_bus_message *message, | |
2980 | void *userdata, | |
2981 | sd_bus_error *error) { | |
2982 | ||
086111aa | 2983 | Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
2984 | bool use_efi; |
2985 | const char *v; | |
2986 | int r; | |
e3bff60a MP |
2987 | |
2988 | assert(message); | |
e3bff60a | 2989 | |
bb4f798a MB |
2990 | r = sd_bus_message_read(message, "s", &v); |
2991 | if (r < 0) | |
2992 | return r; | |
2993 | ||
2994 | if (isempty(v)) | |
2995 | v = NULL; | |
2996 | else if (efi_loader_entry_name_valid(v)) { | |
a10f5d05 | 2997 | r = boot_loader_entry_exists(m, v); |
bb4f798a MB |
2998 | if (r < 0) |
2999 | return r; | |
3000 | if (r == 0) | |
3001 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Boot loader entry '%s' is not known.", v); | |
3002 | } else | |
3003 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Boot loader entry name '%s' is not valid, refusing.", v); | |
3004 | ||
3005 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
3006 | if (r == -ENXIO) { | |
3007 | uint64_t features; | |
3008 | ||
3009 | /* EFI case: let's see if booting into boot loader entry is supported. */ | |
3010 | ||
3011 | r = efi_loader_get_features(&features); | |
3012 | if (r < 0) | |
3013 | log_warning_errno(r, "Failed to determine whether reboot into boot loader entry is supported: %m"); | |
3014 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
8b3d4ff0 | 3015 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); |
bb4f798a MB |
3016 | |
3017 | use_efi = true; | |
3018 | ||
3019 | } else if (r <= 0) { | |
3020 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to off */ | |
3021 | ||
3022 | if (r < 0) | |
3023 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
3024 | ||
8b3d4ff0 | 3025 | return sd_bus_error_set(error, SD_BUS_ERROR_NOT_SUPPORTED, "Loader does not support boot into boot loader entry."); |
bb4f798a MB |
3026 | } else |
3027 | /* non-EFI case: $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY is set to on */ | |
3028 | use_efi = false; | |
3029 | ||
3030 | r = bus_verify_polkit_async(message, | |
3031 | CAP_SYS_ADMIN, | |
3032 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
3033 | NULL, | |
3034 | false, | |
3035 | UID_INVALID, | |
3036 | &m->polkit_registry, | |
3037 | error); | |
3038 | if (r < 0) | |
3039 | return r; | |
3040 | if (r == 0) | |
3041 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
3042 | ||
3043 | if (use_efi) { | |
3044 | if (isempty(v)) | |
3045 | /* Delete item */ | |
8b3d4ff0 | 3046 | r = efi_set_variable(EFI_LOADER_VARIABLE(LoaderEntryOneShot), NULL, 0); |
bb4f798a | 3047 | else |
8b3d4ff0 | 3048 | r = efi_set_variable_string(EFI_LOADER_VARIABLE(LoaderEntryOneShot), v); |
bb4f798a MB |
3049 | if (r < 0) |
3050 | return r; | |
3051 | } else { | |
3052 | if (isempty(v)) { | |
3053 | if (unlink("/run/systemd/reboot-to-boot-loader-entry") < 0 && errno != ENOENT) | |
3054 | return -errno; | |
3055 | } else { | |
3056 | r = write_string_file_atomic_label("/run/systemd/reboot-boot-to-loader-entry", v); | |
3057 | if (r < 0) | |
3058 | return r; | |
3059 | } | |
3060 | } | |
3061 | ||
3062 | return sd_bus_reply_method_return(message, NULL); | |
3063 | } | |
3064 | ||
3065 | static int method_can_reboot_to_boot_loader_entry( | |
3066 | sd_bus_message *message, | |
3067 | void *userdata, | |
3068 | sd_bus_error *error) { | |
3069 | ||
086111aa | 3070 | _unused_ Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
3071 | int r; |
3072 | ||
3073 | assert(message); | |
bb4f798a MB |
3074 | |
3075 | r = getenv_bool("SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY"); | |
3076 | if (r == -ENXIO) { | |
3077 | uint64_t features = 0; | |
3078 | ||
3079 | /* EFI case, let's see if booting into boot loader entry is supported. */ | |
3080 | ||
3081 | r = efi_loader_get_features(&features); | |
3082 | if (r < 0) | |
3083 | log_warning_errno(r, "Failed to determine whether reboot to boot loader entry is supported: %m"); | |
3084 | if (r < 0 || !FLAGS_SET(features, EFI_LOADER_FEATURE_ENTRY_ONESHOT)) | |
3085 | return sd_bus_reply_method_return(message, "s", "na"); | |
3086 | ||
3087 | } else if (r <= 0) { | |
3088 | /* Non-EFI case: let's trust $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY */ | |
3089 | ||
3090 | if (r < 0) | |
3091 | log_warning_errno(r, "Failed to parse $SYSTEMD_REBOOT_TO_BOOT_LOADER_ENTRY: %m"); | |
52ad194e | 3092 | |
e3bff60a | 3093 | return sd_bus_reply_method_return(message, "s", "na"); |
52ad194e | 3094 | } |
e3bff60a | 3095 | |
bb4f798a MB |
3096 | return return_test_polkit( |
3097 | message, | |
3098 | CAP_SYS_ADMIN, | |
3099 | "org.freedesktop.login1.set-reboot-to-boot-loader-entry", | |
3100 | NULL, | |
3101 | UID_INVALID, | |
3102 | error); | |
3103 | } | |
3104 | ||
3105 | static int property_get_boot_loader_entries( | |
3106 | sd_bus *bus, | |
3107 | const char *path, | |
3108 | const char *interface, | |
3109 | const char *property, | |
3110 | sd_bus_message *reply, | |
3111 | void *userdata, | |
3112 | sd_bus_error *error) { | |
3113 | ||
f5caa8fa | 3114 | _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL; |
086111aa | 3115 | Manager *m = ASSERT_PTR(userdata); |
bb4f798a MB |
3116 | size_t i; |
3117 | int r; | |
3118 | ||
3119 | assert(bus); | |
3120 | assert(reply); | |
bb4f798a | 3121 | |
f5caa8fa | 3122 | r = boot_config_load_auto(&config, NULL, NULL); |
bb4f798a MB |
3123 | if (r < 0 && r != -ENOKEY) /* don't complain if there's no GPT found */ |
3124 | return r; | |
3125 | ||
a10f5d05 MB |
3126 | r = manager_read_efi_boot_loader_entries(m); |
3127 | if (r >= 0) | |
f5caa8fa | 3128 | (void) boot_config_augment_from_loader(&config, m->efi_boot_loader_entries, /* auto_only= */ true); |
bb4f798a MB |
3129 | |
3130 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
e3bff60a MP |
3131 | if (r < 0) |
3132 | return r; | |
3133 | ||
bb4f798a MB |
3134 | for (i = 0; i < config.n_entries; i++) { |
3135 | BootEntry *e = config.entries + i; | |
e3bff60a | 3136 | |
bb4f798a MB |
3137 | r = sd_bus_message_append(reply, "s", e->id); |
3138 | if (r < 0) | |
3139 | return r; | |
3140 | } | |
3141 | ||
3142 | return sd_bus_message_close_container(reply); | |
e3bff60a MP |
3143 | } |
3144 | ||
13d276d0 MP |
3145 | static int method_set_wall_message( |
3146 | sd_bus_message *message, | |
3147 | void *userdata, | |
3148 | sd_bus_error *error) { | |
3149 | ||
3150 | int r; | |
086111aa | 3151 | Manager *m = ASSERT_PTR(userdata); |
13d276d0 | 3152 | char *wall_message; |
f5caa8fa | 3153 | int enable_wall_messages; |
13d276d0 MP |
3154 | |
3155 | assert(message); | |
13d276d0 MP |
3156 | |
3157 | r = sd_bus_message_read(message, "sb", &wall_message, &enable_wall_messages); | |
3158 | if (r < 0) | |
3159 | return r; | |
3160 | ||
f5caa8fa MB |
3161 | if (strlen(wall_message) > WALL_MESSAGE_MAX) |
3162 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, | |
3163 | "Wall message too long, maximum permitted length is %u characters.", | |
3164 | WALL_MESSAGE_MAX); | |
3165 | ||
d0648cfe MB |
3166 | /* Short-circuit the operation if the desired state is already in place, to |
3167 | * avoid an unnecessary polkit permission check. */ | |
3168 | if (streq_ptr(m->wall_message, empty_to_null(wall_message)) && | |
3169 | m->enable_wall_messages == enable_wall_messages) | |
3170 | goto done; | |
3171 | ||
13d276d0 MP |
3172 | r = bus_verify_polkit_async(message, |
3173 | CAP_SYS_ADMIN, | |
3174 | "org.freedesktop.login1.set-wall-message", | |
d9dfd233 | 3175 | NULL, |
13d276d0 MP |
3176 | false, |
3177 | UID_INVALID, | |
3178 | &m->polkit_registry, | |
3179 | error); | |
13d276d0 MP |
3180 | if (r < 0) |
3181 | return r; | |
3182 | if (r == 0) | |
3183 | return 1; /* Will call us back */ | |
3184 | ||
2897b343 MP |
3185 | r = free_and_strdup(&m->wall_message, empty_to_null(wall_message)); |
3186 | if (r < 0) | |
3187 | return log_oom(); | |
d9dfd233 | 3188 | |
13d276d0 MP |
3189 | m->enable_wall_messages = enable_wall_messages; |
3190 | ||
d0648cfe | 3191 | done: |
13d276d0 MP |
3192 | return sd_bus_reply_method_return(message, NULL); |
3193 | } | |
3194 | ||
e3bff60a | 3195 | static int method_inhibit(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
4c89c718 | 3196 | _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL; |
60f067b4 JS |
3197 | const char *who, *why, *what, *mode; |
3198 | _cleanup_free_ char *id = NULL; | |
3199 | _cleanup_close_ int fifo_fd = -1; | |
086111aa | 3200 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
3201 | InhibitMode mm; |
3202 | InhibitWhat w; | |
3203 | pid_t pid; | |
3204 | uid_t uid; | |
3205 | int r; | |
663996b3 | 3206 | |
60f067b4 | 3207 | assert(message); |
663996b3 | 3208 | |
60f067b4 JS |
3209 | r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); |
3210 | if (r < 0) | |
3211 | return r; | |
663996b3 | 3212 | |
60f067b4 JS |
3213 | w = inhibit_what_from_string(what); |
3214 | if (w <= 0) | |
bb4f798a MB |
3215 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3216 | "Invalid what specification %s", what); | |
663996b3 | 3217 | |
60f067b4 JS |
3218 | mm = inhibit_mode_from_string(mode); |
3219 | if (mm < 0) | |
bb4f798a MB |
3220 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3221 | "Invalid mode specification %s", mode); | |
663996b3 | 3222 | |
60f067b4 JS |
3223 | /* Delay is only supported for shutdown/sleep */ |
3224 | if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) | |
bb4f798a MB |
3225 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
3226 | "Delay inhibitors only supported for shutdown and sleep"); | |
663996b3 | 3227 | |
60f067b4 JS |
3228 | /* Don't allow taking delay locks while we are already |
3229 | * executing the operation. We shouldn't create the impression | |
3230 | * that the lock was successful if the machine is about to go | |
3231 | * down/suspend any moment. */ | |
f5caa8fa | 3232 | if (m->delayed_action && m->delayed_action->inhibit_what & w) |
bb4f798a MB |
3233 | return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, |
3234 | "The operation inhibition has been requested for is already running"); | |
60f067b4 | 3235 | |
e3bff60a MP |
3236 | r = bus_verify_polkit_async( |
3237 | message, | |
3238 | CAP_SYS_BOOT, | |
3239 | w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : | |
3240 | w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : | |
3241 | w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : | |
3242 | w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : | |
3243 | w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : | |
a032b68d | 3244 | w == INHIBIT_HANDLE_REBOOT_KEY ? "org.freedesktop.login1.inhibit-handle-reboot-key" : |
e3bff60a MP |
3245 | w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : |
3246 | "org.freedesktop.login1.inhibit-handle-lid-switch", | |
d9dfd233 | 3247 | NULL, |
e3bff60a MP |
3248 | false, |
3249 | UID_INVALID, | |
3250 | &m->polkit_registry, | |
3251 | error); | |
60f067b4 JS |
3252 | if (r < 0) |
3253 | return r; | |
3254 | if (r == 0) | |
3255 | return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ | |
663996b3 | 3256 | |
e735f4d4 | 3257 | r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); |
60f067b4 JS |
3258 | if (r < 0) |
3259 | return r; | |
663996b3 | 3260 | |
e735f4d4 | 3261 | r = sd_bus_creds_get_euid(creds, &uid); |
60f067b4 JS |
3262 | if (r < 0) |
3263 | return r; | |
663996b3 | 3264 | |
60f067b4 JS |
3265 | r = sd_bus_creds_get_pid(creds, &pid); |
3266 | if (r < 0) | |
3267 | return r; | |
663996b3 | 3268 | |
aa27b158 | 3269 | if (hashmap_size(m->inhibitors) >= m->inhibitors_max) |
bb4f798a MB |
3270 | return sd_bus_error_setf(error, SD_BUS_ERROR_LIMITS_EXCEEDED, |
3271 | "Maximum number of inhibitors (%" PRIu64 ") reached, refusing further inhibitors.", | |
3272 | m->inhibitors_max); | |
aa27b158 | 3273 | |
60f067b4 | 3274 | do { |
13d276d0 | 3275 | id = mfree(id); |
663996b3 | 3276 | |
60f067b4 JS |
3277 | if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) |
3278 | return -ENOMEM; | |
663996b3 | 3279 | |
60f067b4 | 3280 | } while (hashmap_get(m->inhibitors, id)); |
663996b3 | 3281 | |
a032b68d | 3282 | _cleanup_(inhibitor_freep) Inhibitor *i = NULL; |
60f067b4 JS |
3283 | r = manager_add_inhibitor(m, id, &i); |
3284 | if (r < 0) | |
3285 | return r; | |
663996b3 | 3286 | |
60f067b4 JS |
3287 | i->what = w; |
3288 | i->mode = mm; | |
3289 | i->pid = pid; | |
3290 | i->uid = uid; | |
3291 | i->why = strdup(why); | |
3292 | i->who = strdup(who); | |
663996b3 | 3293 | |
a032b68d MB |
3294 | if (!i->why || !i->who) |
3295 | return -ENOMEM; | |
663996b3 | 3296 | |
60f067b4 | 3297 | fifo_fd = inhibitor_create_fifo(i); |
a032b68d MB |
3298 | if (fifo_fd < 0) |
3299 | return fifo_fd; | |
663996b3 | 3300 | |
f2dec872 BR |
3301 | r = inhibitor_start(i); |
3302 | if (r < 0) | |
a032b68d MB |
3303 | return r; |
3304 | TAKE_PTR(i); | |
663996b3 | 3305 | |
60f067b4 | 3306 | return sd_bus_reply_method_return(message, "h", fifo_fd); |
60f067b4 | 3307 | } |
663996b3 | 3308 | |
a10f5d05 | 3309 | static const sd_bus_vtable manager_vtable[] = { |
60f067b4 JS |
3310 | SD_BUS_VTABLE_START(0), |
3311 | ||
f5caa8fa | 3312 | SD_BUS_WRITABLE_PROPERTY("EnableWallMessages", "b", bus_property_get_bool, bus_property_set_bool, offsetof(Manager, enable_wall_messages), 0), |
e3bff60a MP |
3313 | SD_BUS_WRITABLE_PROPERTY("WallMessage", "s", NULL, NULL, offsetof(Manager, wall_message), 0), |
3314 | ||
60f067b4 JS |
3315 | SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), SD_BUS_VTABLE_PROPERTY_CONST), |
3316 | SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
3317 | SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), | |
f5caa8fa | 3318 | SD_BUS_PROPERTY("KillUserProcesses", "b", bus_property_get_bool, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), |
bb4f798a | 3319 | SD_BUS_PROPERTY("RebootParameter", "s", property_get_reboot_parameter, 0, 0), |
6e866b33 | 3320 | SD_BUS_PROPERTY("RebootToFirmwareSetup", "b", property_get_reboot_to_firmware_setup, 0, 0), |
bb4f798a MB |
3321 | SD_BUS_PROPERTY("RebootToBootLoaderMenu", "t", property_get_reboot_to_boot_loader_menu, 0, 0), |
3322 | SD_BUS_PROPERTY("RebootToBootLoaderEntry", "s", property_get_reboot_to_boot_loader_entry, 0, 0), | |
3323 | SD_BUS_PROPERTY("BootLoaderEntries", "as", property_get_boot_loader_entries, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
60f067b4 JS |
3324 | SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), |
3325 | SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3326 | SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3327 | SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3328 | SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), | |
3329 | SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), | |
6e866b33 | 3330 | SD_BUS_PROPERTY("UserStopDelayUSec", "t", NULL, offsetof(Manager, user_stop_delay), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 | 3331 | SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), |
8f232108 MB |
3332 | SD_BUS_PROPERTY("HandlePowerKeyLongPress", "s", property_get_handle_action, offsetof(Manager, handle_power_key_long_press), SD_BUS_VTABLE_PROPERTY_CONST), |
3333 | SD_BUS_PROPERTY("HandleRebootKey", "s", property_get_handle_action, offsetof(Manager, handle_reboot_key), SD_BUS_VTABLE_PROPERTY_CONST), | |
3334 | SD_BUS_PROPERTY("HandleRebootKeyLongPress", "s", property_get_handle_action, offsetof(Manager, handle_reboot_key_long_press), SD_BUS_VTABLE_PROPERTY_CONST), | |
60f067b4 | 3335 | SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), |
8f232108 | 3336 | SD_BUS_PROPERTY("HandleSuspendKeyLongPress", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key_long_press), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 | 3337 | SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), |
8f232108 | 3338 | SD_BUS_PROPERTY("HandleHibernateKeyLongPress", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key_long_press), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 | 3339 | SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), |
98393f85 | 3340 | SD_BUS_PROPERTY("HandleLidSwitchExternalPower", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_ep), SD_BUS_VTABLE_PROPERTY_CONST), |
5eef597e | 3341 | SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), |
e3bff60a | 3342 | SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 JS |
3343 | SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), |
3344 | SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), | |
3345 | SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), | |
3346 | SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), | |
e3bff60a | 3347 | SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0), |
86f210e9 | 3348 | SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0), |
6e866b33 MB |
3349 | SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0), |
3350 | SD_BUS_PROPERTY("OnExternalPower", "b", property_get_on_external_power, 0, 0), | |
aa27b158 | 3351 | SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST), |
b012e921 | 3352 | SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST), |
a10f5d05 | 3353 | SD_BUS_PROPERTY("RuntimeDirectoryInodesMax", "t", NULL, offsetof(Manager, runtime_dir_inodes), SD_BUS_VTABLE_PROPERTY_CONST), |
aa27b158 | 3354 | SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST), |
b012e921 | 3355 | SD_BUS_PROPERTY("NCurrentInhibitors", "t", property_get_hashmap_size, offsetof(Manager, inhibitors), 0), |
aa27b158 | 3356 | SD_BUS_PROPERTY("SessionsMax", "t", NULL, offsetof(Manager, sessions_max), SD_BUS_VTABLE_PROPERTY_CONST), |
b012e921 MB |
3357 | SD_BUS_PROPERTY("NCurrentSessions", "t", property_get_hashmap_size, offsetof(Manager, sessions), 0), |
3358 | SD_BUS_PROPERTY("UserTasksMax", "t", property_get_compat_user_tasks_max, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), | |
086111aa | 3359 | SD_BUS_PROPERTY("StopIdleSessionUSec", "t", NULL, offsetof(Manager, stop_idle_session_usec), SD_BUS_VTABLE_PROPERTY_CONST), |
60f067b4 | 3360 | |
ea0999c9 MB |
3361 | SD_BUS_METHOD_WITH_ARGS("GetSession", |
3362 | SD_BUS_ARGS("s", session_id), | |
3363 | SD_BUS_RESULT("o", object_path), | |
3364 | method_get_session, | |
3365 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3366 | SD_BUS_METHOD_WITH_ARGS("GetSessionByPID", | |
3367 | SD_BUS_ARGS("u", pid), | |
3368 | SD_BUS_RESULT("o", object_path), | |
3369 | method_get_session_by_pid, | |
3370 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3371 | SD_BUS_METHOD_WITH_ARGS("GetUser", | |
3372 | SD_BUS_ARGS("u", uid), | |
3373 | SD_BUS_RESULT("o", object_path), | |
3374 | method_get_user, | |
3375 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3376 | SD_BUS_METHOD_WITH_ARGS("GetUserByPID", | |
3377 | SD_BUS_ARGS("u", pid), | |
3378 | SD_BUS_RESULT("o", object_path), | |
3379 | method_get_user_by_pid, | |
3380 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3381 | SD_BUS_METHOD_WITH_ARGS("GetSeat", | |
3382 | SD_BUS_ARGS("s", seat_id), | |
3383 | SD_BUS_RESULT("o", object_path), | |
3384 | method_get_seat, | |
3385 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3386 | SD_BUS_METHOD_WITH_ARGS("ListSessions", | |
3387 | SD_BUS_NO_ARGS, | |
3388 | SD_BUS_RESULT("a(susso)", sessions), | |
3389 | method_list_sessions, | |
3390 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3391 | SD_BUS_METHOD_WITH_ARGS("ListUsers", | |
3392 | SD_BUS_NO_ARGS, | |
3393 | SD_BUS_RESULT("a(uso)", users), | |
3394 | method_list_users, | |
3395 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3396 | SD_BUS_METHOD_WITH_ARGS("ListSeats", | |
3397 | SD_BUS_NO_ARGS, | |
3398 | SD_BUS_RESULT("a(so)", seats), | |
3399 | method_list_seats, | |
3400 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3401 | SD_BUS_METHOD_WITH_ARGS("ListInhibitors", | |
3402 | SD_BUS_NO_ARGS, | |
3403 | SD_BUS_RESULT("a(ssssuu)", inhibitors), | |
3404 | method_list_inhibitors, | |
3405 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3406 | SD_BUS_METHOD_WITH_ARGS("CreateSession", | |
3407 | SD_BUS_ARGS("u", uid, | |
3408 | "u", pid, | |
3409 | "s", service, | |
3410 | "s", type, | |
3411 | "s", class, | |
3412 | "s", desktop, | |
3413 | "s", seat_id, | |
3414 | "u", vtnr, | |
3415 | "s", tty, | |
3416 | "s", display, | |
3417 | "b", remote, | |
3418 | "s", remote_user, | |
3419 | "s", remote_host, | |
3420 | "a(sv)", properties), | |
3421 | SD_BUS_RESULT("s", session_id, | |
3422 | "o", object_path, | |
3423 | "s", runtime_path, | |
3424 | "h", fifo_fd, | |
3425 | "u", uid, | |
3426 | "s", seat_id, | |
3427 | "u", vtnr, | |
3428 | "b", existing), | |
3429 | method_create_session, | |
3430 | 0), | |
3431 | SD_BUS_METHOD_WITH_ARGS("ReleaseSession", | |
3432 | SD_BUS_ARGS("s", session_id), | |
3433 | SD_BUS_NO_RESULT, | |
3434 | method_release_session, | |
3435 | 0), | |
3436 | SD_BUS_METHOD_WITH_ARGS("ActivateSession", | |
3437 | SD_BUS_ARGS("s", session_id), | |
3438 | SD_BUS_NO_RESULT, | |
3439 | method_activate_session, | |
3440 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3441 | SD_BUS_METHOD_WITH_ARGS("ActivateSessionOnSeat", | |
3442 | SD_BUS_ARGS("s", session_id, "s", seat_id), | |
3443 | SD_BUS_NO_RESULT, | |
3444 | method_activate_session_on_seat, | |
3445 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3446 | SD_BUS_METHOD_WITH_ARGS("LockSession", | |
3447 | SD_BUS_ARGS("s", session_id), | |
3448 | SD_BUS_NO_RESULT, | |
3449 | method_lock_session, | |
3450 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3451 | SD_BUS_METHOD_WITH_ARGS("UnlockSession", | |
3452 | SD_BUS_ARGS("s", session_id), | |
3453 | SD_BUS_NO_RESULT, | |
3454 | method_lock_session, | |
3455 | SD_BUS_VTABLE_UNPRIVILEGED), | |
a10f5d05 MB |
3456 | SD_BUS_METHOD("LockSessions", |
3457 | NULL, | |
3458 | NULL, | |
3459 | method_lock_sessions, | |
3460 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3461 | SD_BUS_METHOD("UnlockSessions", | |
3462 | NULL, | |
3463 | NULL, | |
3464 | method_lock_sessions, | |
3465 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ea0999c9 MB |
3466 | SD_BUS_METHOD_WITH_ARGS("KillSession", |
3467 | SD_BUS_ARGS("s", session_id, "s", who, "i", signal_number), | |
3468 | SD_BUS_NO_RESULT, | |
3469 | method_kill_session, | |
3470 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3471 | SD_BUS_METHOD_WITH_ARGS("KillUser", | |
3472 | SD_BUS_ARGS("u", uid, "i", signal_number), | |
3473 | SD_BUS_NO_RESULT, | |
3474 | method_kill_user, | |
3475 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3476 | SD_BUS_METHOD_WITH_ARGS("TerminateSession", | |
3477 | SD_BUS_ARGS("s", session_id), | |
3478 | SD_BUS_NO_RESULT, | |
3479 | method_terminate_session, | |
3480 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3481 | SD_BUS_METHOD_WITH_ARGS("TerminateUser", | |
3482 | SD_BUS_ARGS("u", uid), | |
3483 | SD_BUS_NO_RESULT, | |
3484 | method_terminate_user, | |
3485 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3486 | SD_BUS_METHOD_WITH_ARGS("TerminateSeat", | |
3487 | SD_BUS_ARGS("s", seat_id), | |
3488 | SD_BUS_NO_RESULT, | |
3489 | method_terminate_seat, | |
3490 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3491 | SD_BUS_METHOD_WITH_ARGS("SetUserLinger", | |
3492 | SD_BUS_ARGS("u", uid, "b", enable, "b", interactive), | |
3493 | SD_BUS_NO_RESULT, | |
3494 | method_set_user_linger, | |
3495 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3496 | SD_BUS_METHOD_WITH_ARGS("AttachDevice", | |
3497 | SD_BUS_ARGS("s", seat_id, "s", sysfs_path, "b", interactive), | |
3498 | SD_BUS_NO_RESULT, | |
3499 | method_attach_device, | |
3500 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3501 | SD_BUS_METHOD_WITH_ARGS("FlushDevices", | |
3502 | SD_BUS_ARGS("b", interactive), | |
3503 | SD_BUS_NO_RESULT, | |
3504 | method_flush_devices, | |
3505 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3506 | SD_BUS_METHOD_WITH_ARGS("PowerOff", | |
3507 | SD_BUS_ARGS("b", interactive), | |
3508 | SD_BUS_NO_RESULT, | |
3509 | method_poweroff, | |
3510 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3511 | SD_BUS_METHOD_WITH_ARGS("PowerOffWithFlags", | |
3512 | SD_BUS_ARGS("t", flags), | |
3513 | SD_BUS_NO_RESULT, | |
3514 | method_poweroff, | |
3515 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3516 | SD_BUS_METHOD_WITH_ARGS("Reboot", | |
3517 | SD_BUS_ARGS("b", interactive), | |
3518 | SD_BUS_NO_RESULT, | |
3519 | method_reboot, | |
3520 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3521 | SD_BUS_METHOD_WITH_ARGS("RebootWithFlags", | |
3522 | SD_BUS_ARGS("t", flags), | |
3523 | SD_BUS_NO_RESULT, | |
3524 | method_reboot, | |
3525 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3526 | SD_BUS_METHOD_WITH_ARGS("Halt", | |
3527 | SD_BUS_ARGS("b", interactive), | |
3528 | SD_BUS_NO_RESULT, | |
3529 | method_halt, | |
3530 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3531 | SD_BUS_METHOD_WITH_ARGS("HaltWithFlags", | |
3532 | SD_BUS_ARGS("t", flags), | |
3533 | SD_BUS_NO_RESULT, | |
3534 | method_halt, | |
3535 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3536 | SD_BUS_METHOD_WITH_ARGS("Suspend", | |
3537 | SD_BUS_ARGS("b", interactive), | |
3538 | SD_BUS_NO_RESULT, | |
3539 | method_suspend, | |
3540 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3541 | SD_BUS_METHOD_WITH_ARGS("SuspendWithFlags", | |
3542 | SD_BUS_ARGS("t", flags), | |
3543 | SD_BUS_NO_RESULT, | |
3544 | method_suspend, | |
3545 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3546 | SD_BUS_METHOD_WITH_ARGS("Hibernate", | |
3547 | SD_BUS_ARGS("b", interactive), | |
3548 | SD_BUS_NO_RESULT, | |
3549 | method_hibernate, | |
3550 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3551 | SD_BUS_METHOD_WITH_ARGS("HibernateWithFlags", | |
3552 | SD_BUS_ARGS("t", flags), | |
3553 | SD_BUS_NO_RESULT, | |
3554 | method_hibernate, | |
3555 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3556 | SD_BUS_METHOD_WITH_ARGS("HybridSleep", | |
3557 | SD_BUS_ARGS("b", interactive), | |
3558 | SD_BUS_NO_RESULT, | |
3559 | method_hybrid_sleep, | |
3560 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3561 | SD_BUS_METHOD_WITH_ARGS("HybridSleepWithFlags", | |
3562 | SD_BUS_ARGS("t", flags), | |
3563 | SD_BUS_NO_RESULT, | |
3564 | method_hybrid_sleep, | |
3565 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3566 | SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernate", | |
3567 | SD_BUS_ARGS("b", interactive), | |
3568 | SD_BUS_NO_RESULT, | |
3569 | method_suspend_then_hibernate, | |
3570 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3571 | SD_BUS_METHOD_WITH_ARGS("SuspendThenHibernateWithFlags", | |
3572 | SD_BUS_ARGS("t", flags), | |
3573 | SD_BUS_NO_RESULT, | |
3574 | method_suspend_then_hibernate, | |
3575 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3576 | SD_BUS_METHOD_WITH_ARGS("CanPowerOff", | |
3577 | SD_BUS_NO_ARGS, | |
3578 | SD_BUS_RESULT("s", result), | |
3579 | method_can_poweroff, | |
3580 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3581 | SD_BUS_METHOD_WITH_ARGS("CanReboot", | |
3582 | SD_BUS_NO_ARGS, | |
3583 | SD_BUS_RESULT("s", result), | |
3584 | method_can_reboot, | |
3585 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3586 | SD_BUS_METHOD_WITH_ARGS("CanHalt", | |
3587 | SD_BUS_NO_ARGS, | |
3588 | SD_BUS_RESULT("s", result), | |
3589 | method_can_halt, | |
3590 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3591 | SD_BUS_METHOD_WITH_ARGS("CanSuspend", | |
3592 | SD_BUS_NO_ARGS, | |
3593 | SD_BUS_RESULT("s", result), | |
3594 | method_can_suspend, | |
3595 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3596 | SD_BUS_METHOD_WITH_ARGS("CanHibernate", | |
3597 | SD_BUS_NO_ARGS, | |
3598 | SD_BUS_RESULT("s", result), | |
3599 | method_can_hibernate, | |
3600 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3601 | SD_BUS_METHOD_WITH_ARGS("CanHybridSleep", | |
3602 | SD_BUS_NO_ARGS, | |
3603 | SD_BUS_RESULT("s", result), | |
3604 | method_can_hybrid_sleep, | |
3605 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3606 | SD_BUS_METHOD_WITH_ARGS("CanSuspendThenHibernate", | |
3607 | SD_BUS_NO_ARGS, | |
3608 | SD_BUS_RESULT("s", result), | |
3609 | method_can_suspend_then_hibernate, | |
3610 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3611 | SD_BUS_METHOD_WITH_ARGS("ScheduleShutdown", | |
3612 | SD_BUS_ARGS("s", type, "t", usec), | |
3613 | SD_BUS_NO_RESULT, | |
3614 | method_schedule_shutdown, | |
3615 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3616 | SD_BUS_METHOD_WITH_ARGS("CancelScheduledShutdown", | |
3617 | SD_BUS_NO_ARGS, | |
3618 | SD_BUS_RESULT("b", cancelled), | |
3619 | method_cancel_scheduled_shutdown, | |
3620 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3621 | SD_BUS_METHOD_WITH_ARGS("Inhibit", | |
3622 | SD_BUS_ARGS("s", what, "s", who, "s", why, "s", mode), | |
3623 | SD_BUS_RESULT("h", pipe_fd), | |
3624 | method_inhibit, | |
3625 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3626 | SD_BUS_METHOD_WITH_ARGS("CanRebootParameter", | |
3627 | SD_BUS_NO_ARGS, | |
3628 | SD_BUS_RESULT("s", result), | |
3629 | method_can_reboot_parameter, | |
3630 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3631 | SD_BUS_METHOD_WITH_ARGS("SetRebootParameter", | |
3632 | SD_BUS_ARGS("s", parameter), | |
3633 | SD_BUS_NO_RESULT, | |
3634 | method_set_reboot_parameter, | |
3635 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3636 | SD_BUS_METHOD_WITH_ARGS("CanRebootToFirmwareSetup", | |
3637 | SD_BUS_NO_ARGS, | |
3638 | SD_BUS_RESULT("s", result), | |
3639 | method_can_reboot_to_firmware_setup, | |
3640 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3641 | SD_BUS_METHOD_WITH_ARGS("SetRebootToFirmwareSetup", | |
3642 | SD_BUS_ARGS("b", enable), | |
3643 | SD_BUS_NO_RESULT, | |
3644 | method_set_reboot_to_firmware_setup, | |
3645 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3646 | SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderMenu", | |
3647 | SD_BUS_NO_ARGS, | |
3648 | SD_BUS_RESULT("s", result), | |
3649 | method_can_reboot_to_boot_loader_menu, | |
3650 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3651 | SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderMenu", | |
3652 | SD_BUS_ARGS("t", timeout), | |
3653 | SD_BUS_NO_RESULT, | |
3654 | method_set_reboot_to_boot_loader_menu, | |
3655 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3656 | SD_BUS_METHOD_WITH_ARGS("CanRebootToBootLoaderEntry", | |
3657 | SD_BUS_NO_ARGS, | |
3658 | SD_BUS_RESULT("s", result), | |
3659 | method_can_reboot_to_boot_loader_entry, | |
3660 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3661 | SD_BUS_METHOD_WITH_ARGS("SetRebootToBootLoaderEntry", | |
3662 | SD_BUS_ARGS("s", boot_loader_entry), | |
3663 | SD_BUS_NO_RESULT, | |
3664 | method_set_reboot_to_boot_loader_entry, | |
3665 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3666 | SD_BUS_METHOD_WITH_ARGS("SetWallMessage", | |
3667 | SD_BUS_ARGS("s", wall_message, "b", enable), | |
3668 | SD_BUS_NO_RESULT, | |
3669 | method_set_wall_message, | |
3670 | SD_BUS_VTABLE_UNPRIVILEGED), | |
3671 | ||
3672 | SD_BUS_SIGNAL_WITH_ARGS("SessionNew", | |
3673 | SD_BUS_ARGS("s", session_id, "o", object_path), | |
3674 | 0), | |
3675 | SD_BUS_SIGNAL_WITH_ARGS("SessionRemoved", | |
3676 | SD_BUS_ARGS("s", session_id, "o", object_path), | |
3677 | 0), | |
3678 | SD_BUS_SIGNAL_WITH_ARGS("UserNew", | |
3679 | SD_BUS_ARGS("u", uid, "o", object_path), | |
3680 | 0), | |
3681 | SD_BUS_SIGNAL_WITH_ARGS("UserRemoved", | |
3682 | SD_BUS_ARGS("u", uid, "o", object_path), | |
3683 | 0), | |
3684 | SD_BUS_SIGNAL_WITH_ARGS("SeatNew", | |
3685 | SD_BUS_ARGS("s", seat_id, "o", object_path), | |
3686 | 0), | |
3687 | SD_BUS_SIGNAL_WITH_ARGS("SeatRemoved", | |
3688 | SD_BUS_ARGS("s", seat_id, "o", object_path), | |
3689 | 0), | |
3690 | SD_BUS_SIGNAL_WITH_ARGS("PrepareForShutdown", | |
3691 | SD_BUS_ARGS("b", start), | |
3692 | 0), | |
3693 | SD_BUS_SIGNAL_WITH_ARGS("PrepareForSleep", | |
3694 | SD_BUS_ARGS("b", start), | |
3695 | 0), | |
60f067b4 JS |
3696 | |
3697 | SD_BUS_VTABLE_END | |
3698 | }; | |
663996b3 | 3699 | |
a10f5d05 MB |
3700 | const BusObjectImplementation manager_object = { |
3701 | "/org/freedesktop/login1", | |
3702 | "org.freedesktop.login1.Manager", | |
3703 | .vtables = BUS_VTABLES(manager_vtable), | |
3704 | .children = BUS_IMPLEMENTATIONS(&seat_object, | |
3705 | &session_object, | |
3706 | &user_object), | |
3707 | }; | |
3708 | ||
7d4b9ad6 | 3709 | static int session_jobs_reply(Session *s, uint32_t jid, const char *unit, const char *result) { |
60f067b4 JS |
3710 | assert(s); |
3711 | assert(unit); | |
663996b3 | 3712 | |
60f067b4 | 3713 | if (!s->started) |
6e866b33 | 3714 | return 0; |
663996b3 | 3715 | |
6e866b33 | 3716 | if (result && !streq(result, "done")) { |
4c89c718 | 3717 | _cleanup_(sd_bus_error_free) sd_bus_error e = SD_BUS_ERROR_NULL; |
663996b3 | 3718 | |
bb4f798a | 3719 | sd_bus_error_setf(&e, BUS_ERROR_JOB_FAILED, |
7d4b9ad6 | 3720 | "Job %u for unit '%s' failed with '%s'", jid, unit, result); |
6e866b33 | 3721 | return session_send_create_reply(s, &e); |
60f067b4 | 3722 | } |
663996b3 | 3723 | |
6e866b33 | 3724 | return session_send_create_reply(s, NULL); |
60f067b4 | 3725 | } |
663996b3 | 3726 | |
e3bff60a | 3727 | int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 3728 | const char *path, *result, *unit; |
086111aa | 3729 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
3730 | Session *session; |
3731 | uint32_t id; | |
3732 | User *user; | |
3733 | int r; | |
663996b3 | 3734 | |
60f067b4 | 3735 | assert(message); |
663996b3 | 3736 | |
60f067b4 JS |
3737 | r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); |
3738 | if (r < 0) { | |
3739 | bus_log_parse_error(r); | |
13d276d0 | 3740 | return 0; |
60f067b4 | 3741 | } |
663996b3 | 3742 | |
60f067b4 | 3743 | if (m->action_job && streq(m->action_job, path)) { |
f5caa8fa MB |
3744 | assert(m->delayed_action); |
3745 | log_info("Operation '%s' finished.", inhibit_what_to_string(m->delayed_action->inhibit_what)); | |
663996b3 | 3746 | |
60f067b4 | 3747 | /* Tell people that they now may take a lock again */ |
f5caa8fa | 3748 | (void) send_prepare_for(m, m->delayed_action->inhibit_what, false); |
663996b3 | 3749 | |
13d276d0 | 3750 | m->action_job = mfree(m->action_job); |
f5caa8fa | 3751 | m->delayed_action = NULL; |
60f067b4 JS |
3752 | return 0; |
3753 | } | |
663996b3 | 3754 | |
60f067b4 | 3755 | session = hashmap_get(m->session_units, unit); |
6e866b33 MB |
3756 | if (session) { |
3757 | if (streq_ptr(path, session->scope_job)) { | |
3758 | session->scope_job = mfree(session->scope_job); | |
7d4b9ad6 | 3759 | (void) session_jobs_reply(session, id, unit, result); |
6e866b33 MB |
3760 | |
3761 | session_save(session); | |
3762 | user_save(session->user); | |
3763 | } | |
663996b3 | 3764 | |
60f067b4 JS |
3765 | session_add_to_gc_queue(session); |
3766 | } | |
663996b3 | 3767 | |
60f067b4 | 3768 | user = hashmap_get(m->user_units, unit); |
6e866b33 MB |
3769 | if (user) { |
3770 | if (streq_ptr(path, user->service_job)) { | |
13d276d0 | 3771 | user->service_job = mfree(user->service_job); |
663996b3 | 3772 | |
f5caa8fa MB |
3773 | LIST_FOREACH(sessions_by_user, s, user->sessions) |
3774 | (void) session_jobs_reply(s, id, unit, NULL /* don't propagate user service failures to the client */); | |
663996b3 | 3775 | |
6e866b33 MB |
3776 | user_save(user); |
3777 | } | |
663996b3 | 3778 | |
60f067b4 | 3779 | user_add_to_gc_queue(user); |
663996b3 MS |
3780 | } |
3781 | ||
60f067b4 | 3782 | return 0; |
663996b3 MS |
3783 | } |
3784 | ||
e3bff60a | 3785 | int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 3786 | const char *path, *unit; |
086111aa | 3787 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
3788 | Session *session; |
3789 | User *user; | |
3790 | int r; | |
663996b3 | 3791 | |
663996b3 MS |
3792 | assert(message); |
3793 | ||
60f067b4 JS |
3794 | r = sd_bus_message_read(message, "so", &unit, &path); |
3795 | if (r < 0) { | |
3796 | bus_log_parse_error(r); | |
13d276d0 | 3797 | return 0; |
60f067b4 | 3798 | } |
663996b3 | 3799 | |
60f067b4 JS |
3800 | session = hashmap_get(m->session_units, unit); |
3801 | if (session) | |
3802 | session_add_to_gc_queue(session); | |
663996b3 | 3803 | |
60f067b4 JS |
3804 | user = hashmap_get(m->user_units, unit); |
3805 | if (user) | |
3806 | user_add_to_gc_queue(user); | |
663996b3 | 3807 | |
60f067b4 JS |
3808 | return 0; |
3809 | } | |
663996b3 | 3810 | |
e3bff60a | 3811 | int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
60f067b4 | 3812 | _cleanup_free_ char *unit = NULL; |
086111aa | 3813 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 JS |
3814 | const char *path; |
3815 | Session *session; | |
3816 | User *user; | |
3817 | int r; | |
14228c0d | 3818 | |
60f067b4 | 3819 | assert(message); |
14228c0d | 3820 | |
60f067b4 JS |
3821 | path = sd_bus_message_get_path(message); |
3822 | if (!path) | |
3823 | return 0; | |
14228c0d | 3824 | |
60f067b4 | 3825 | r = unit_name_from_dbus_path(path, &unit); |
e735f4d4 MP |
3826 | if (r == -EINVAL) /* not a unit */ |
3827 | return 0; | |
13d276d0 MP |
3828 | if (r < 0) { |
3829 | log_oom(); | |
3830 | return 0; | |
3831 | } | |
14228c0d | 3832 | |
60f067b4 JS |
3833 | session = hashmap_get(m->session_units, unit); |
3834 | if (session) | |
3835 | session_add_to_gc_queue(session); | |
14228c0d | 3836 | |
60f067b4 JS |
3837 | user = hashmap_get(m->user_units, unit); |
3838 | if (user) | |
3839 | user_add_to_gc_queue(user); | |
14228c0d | 3840 | |
60f067b4 JS |
3841 | return 0; |
3842 | } | |
14228c0d | 3843 | |
e3bff60a | 3844 | int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
086111aa | 3845 | Manager *m = ASSERT_PTR(userdata); |
60f067b4 | 3846 | Session *session; |
60f067b4 | 3847 | int b, r; |
14228c0d | 3848 | |
e3bff60a | 3849 | assert(message); |
14228c0d | 3850 | |
60f067b4 JS |
3851 | r = sd_bus_message_read(message, "b", &b); |
3852 | if (r < 0) { | |
3853 | bus_log_parse_error(r); | |
13d276d0 | 3854 | return 0; |
60f067b4 | 3855 | } |
14228c0d | 3856 | |
60f067b4 JS |
3857 | if (b) |
3858 | return 0; | |
14228c0d | 3859 | |
60f067b4 JS |
3860 | /* systemd finished reloading, let's recheck all our sessions */ |
3861 | log_debug("System manager has been reloaded, rechecking sessions..."); | |
14228c0d | 3862 | |
a032b68d | 3863 | HASHMAP_FOREACH(session, m->sessions) |
60f067b4 | 3864 | session_add_to_gc_queue(session); |
14228c0d | 3865 | |
60f067b4 JS |
3866 | return 0; |
3867 | } | |
14228c0d | 3868 | |
60f067b4 JS |
3869 | int manager_send_changed(Manager *manager, const char *property, ...) { |
3870 | char **l; | |
663996b3 MS |
3871 | |
3872 | assert(manager); | |
3873 | ||
60f067b4 | 3874 | l = strv_from_stdarg_alloca(property); |
663996b3 | 3875 | |
60f067b4 JS |
3876 | return sd_bus_emit_properties_changed_strv( |
3877 | manager->bus, | |
3878 | "/org/freedesktop/login1", | |
3879 | "org.freedesktop.login1.Manager", | |
3880 | l); | |
663996b3 MS |
3881 | } |
3882 | ||
4c89c718 MP |
3883 | static int strdup_job(sd_bus_message *reply, char **job) { |
3884 | const char *j; | |
3885 | char *copy; | |
3886 | int r; | |
3887 | ||
3888 | r = sd_bus_message_read(reply, "o", &j); | |
3889 | if (r < 0) | |
3890 | return r; | |
3891 | ||
3892 | copy = strdup(j); | |
3893 | if (!copy) | |
3894 | return -ENOMEM; | |
3895 | ||
3896 | *job = copy; | |
3897 | return 1; | |
3898 | } | |
3899 | ||
14228c0d MB |
3900 | int manager_start_scope( |
3901 | Manager *manager, | |
3902 | const char *scope, | |
3903 | pid_t pid, | |
3904 | const char *slice, | |
3905 | const char *description, | |
6e866b33 MB |
3906 | char **wants, |
3907 | char **after, | |
3908 | const char *requires_mounts_for, | |
b012e921 | 3909 | sd_bus_message *more_properties, |
60f067b4 | 3910 | sd_bus_error *error, |
14228c0d MB |
3911 | char **job) { |
3912 | ||
4c89c718 | 3913 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL, *reply = NULL; |
60f067b4 | 3914 | int r; |
14228c0d MB |
3915 | |
3916 | assert(manager); | |
3917 | assert(scope); | |
3918 | assert(pid > 1); | |
4c89c718 | 3919 | assert(job); |
14228c0d | 3920 | |
a10f5d05 | 3921 | r = bus_message_new_method_call(manager->bus, &m, bus_systemd_mgr, "StartTransientUnit"); |
60f067b4 JS |
3922 | if (r < 0) |
3923 | return r; | |
14228c0d | 3924 | |
60f067b4 JS |
3925 | r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); |
3926 | if (r < 0) | |
3927 | return r; | |
14228c0d | 3928 | |
60f067b4 JS |
3929 | r = sd_bus_message_open_container(m, 'a', "(sv)"); |
3930 | if (r < 0) | |
3931 | return r; | |
14228c0d MB |
3932 | |
3933 | if (!isempty(slice)) { | |
60f067b4 JS |
3934 | r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); |
3935 | if (r < 0) | |
3936 | return r; | |
14228c0d MB |
3937 | } |
3938 | ||
3939 | if (!isempty(description)) { | |
60f067b4 JS |
3940 | r = sd_bus_message_append(m, "(sv)", "Description", "s", description); |
3941 | if (r < 0) | |
3942 | return r; | |
14228c0d MB |
3943 | } |
3944 | ||
6e866b33 MB |
3945 | STRV_FOREACH(i, wants) { |
3946 | r = sd_bus_message_append(m, "(sv)", "Wants", "as", 1, *i); | |
60f067b4 JS |
3947 | if (r < 0) |
3948 | return r; | |
14228c0d MB |
3949 | } |
3950 | ||
6e866b33 MB |
3951 | STRV_FOREACH(i, after) { |
3952 | r = sd_bus_message_append(m, "(sv)", "After", "as", 1, *i); | |
3953 | if (r < 0) | |
3954 | return r; | |
3955 | } | |
3956 | ||
3957 | if (!empty_or_root(requires_mounts_for)) { | |
3958 | r = sd_bus_message_append(m, "(sv)", "RequiresMountsFor", "as", 1, requires_mounts_for); | |
60f067b4 JS |
3959 | if (r < 0) |
3960 | return r; | |
14228c0d MB |
3961 | } |
3962 | ||
b012e921 MB |
3963 | /* Make sure that the session shells are terminated with SIGHUP since bash and friends tend to ignore |
3964 | * SIGTERM */ | |
60f067b4 JS |
3965 | r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); |
3966 | if (r < 0) | |
3967 | return r; | |
3968 | ||
3969 | r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); | |
3970 | if (r < 0) | |
3971 | return r; | |
3972 | ||
28085778 LB |
3973 | /* For login session scopes, if a process is OOM killed by the kernel, *don't* terminate the rest of |
3974 | the scope */ | |
3975 | r = sd_bus_message_append(m, "(sv)", "OOMPolicy", "s", "continue"); | |
3976 | if (r < 0) | |
3977 | return r; | |
3978 | ||
b012e921 | 3979 | /* disable TasksMax= for the session scope, rely on the slice setting for it */ |
3a6ce677 | 3980 | r = sd_bus_message_append(m, "(sv)", "TasksMax", "t", UINT64_MAX); |
db2df898 | 3981 | if (r < 0) |
b012e921 MB |
3982 | return bus_log_create_error(r); |
3983 | ||
3984 | if (more_properties) { | |
3985 | /* If TasksMax also appears here, it will overwrite the default value set above */ | |
3986 | r = sd_bus_message_copy(m, more_properties, true); | |
3987 | if (r < 0) | |
3988 | return r; | |
3989 | } | |
db2df898 | 3990 | |
60f067b4 JS |
3991 | r = sd_bus_message_close_container(m); |
3992 | if (r < 0) | |
3993 | return r; | |
3994 | ||
3995 | r = sd_bus_message_append(m, "a(sa(sv))", 0); | |
3996 | if (r < 0) | |
3997 | return r; | |
3998 | ||
3999 | r = sd_bus_call(manager->bus, m, 0, error, &reply); | |
4000 | if (r < 0) | |
4001 | return r; | |
14228c0d | 4002 | |
4c89c718 | 4003 | return strdup_job(reply, job); |
14228c0d MB |
4004 | } |
4005 | ||
60f067b4 | 4006 | int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { |
4c89c718 | 4007 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
14228c0d MB |
4008 | int r; |
4009 | ||
4010 | assert(manager); | |
4011 | assert(unit); | |
4c89c718 | 4012 | assert(job); |
14228c0d | 4013 | |
a10f5d05 | 4014 | r = bus_call_method( |
14228c0d | 4015 | manager->bus, |
a10f5d05 | 4016 | bus_systemd_mgr, |
14228c0d | 4017 | "StartUnit", |
14228c0d | 4018 | error, |
60f067b4 | 4019 | &reply, |
db2df898 | 4020 | "ss", unit, "replace"); |
60f067b4 | 4021 | if (r < 0) |
14228c0d | 4022 | return r; |
14228c0d | 4023 | |
4c89c718 | 4024 | return strdup_job(reply, job); |
14228c0d MB |
4025 | } |
4026 | ||
a032b68d | 4027 | int manager_stop_unit(Manager *manager, const char *unit, const char *job_mode, sd_bus_error *error, char **ret_job) { |
4c89c718 | 4028 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
14228c0d MB |
4029 | int r; |
4030 | ||
4031 | assert(manager); | |
4032 | assert(unit); | |
a032b68d | 4033 | assert(ret_job); |
14228c0d | 4034 | |
a10f5d05 | 4035 | r = bus_call_method( |
14228c0d | 4036 | manager->bus, |
a10f5d05 | 4037 | bus_systemd_mgr, |
14228c0d | 4038 | "StopUnit", |
14228c0d | 4039 | error, |
60f067b4 | 4040 | &reply, |
a032b68d | 4041 | "ss", unit, job_mode ?: "fail"); |
14228c0d | 4042 | if (r < 0) { |
a032b68d MB |
4043 | if (sd_bus_error_has_names(error, BUS_ERROR_NO_SUCH_UNIT, |
4044 | BUS_ERROR_LOAD_FAILED)) { | |
14228c0d | 4045 | |
a032b68d | 4046 | *ret_job = NULL; |
60f067b4 | 4047 | sd_bus_error_free(error); |
14228c0d MB |
4048 | return 0; |
4049 | } | |
4050 | ||
14228c0d MB |
4051 | return r; |
4052 | } | |
4053 | ||
a032b68d | 4054 | return strdup_job(reply, ret_job); |
14228c0d MB |
4055 | } |
4056 | ||
6e866b33 MB |
4057 | int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *ret_error) { |
4058 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; | |
60f067b4 | 4059 | _cleanup_free_ char *path = NULL; |
14228c0d MB |
4060 | int r; |
4061 | ||
4062 | assert(manager); | |
60f067b4 | 4063 | assert(scope); |
14228c0d | 4064 | |
60f067b4 JS |
4065 | path = unit_dbus_path_from_name(scope); |
4066 | if (!path) | |
4067 | return -ENOMEM; | |
14228c0d | 4068 | |
60f067b4 | 4069 | r = sd_bus_call_method( |
14228c0d MB |
4070 | manager->bus, |
4071 | "org.freedesktop.systemd1", | |
60f067b4 JS |
4072 | path, |
4073 | "org.freedesktop.systemd1.Scope", | |
4074 | "Abandon", | |
6e866b33 | 4075 | &error, |
60f067b4 JS |
4076 | NULL, |
4077 | NULL); | |
14228c0d | 4078 | if (r < 0) { |
a032b68d MB |
4079 | if (sd_bus_error_has_names(&error, BUS_ERROR_NO_SUCH_UNIT, |
4080 | BUS_ERROR_LOAD_FAILED, | |
4081 | BUS_ERROR_SCOPE_NOT_RUNNING)) | |
60f067b4 | 4082 | return 0; |
60f067b4 | 4083 | |
6e866b33 | 4084 | sd_bus_error_move(ret_error, &error); |
14228c0d MB |
4085 | return r; |
4086 | } | |
4087 | ||
60f067b4 | 4088 | return 1; |
14228c0d MB |
4089 | } |
4090 | ||
60f067b4 JS |
4091 | int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { |
4092 | assert(manager); | |
4093 | assert(unit); | |
4094 | ||
a10f5d05 | 4095 | return bus_call_method( |
60f067b4 | 4096 | manager->bus, |
a10f5d05 | 4097 | bus_systemd_mgr, |
60f067b4 JS |
4098 | "KillUnit", |
4099 | error, | |
4100 | NULL, | |
4101 | "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); | |
4102 | } | |
14228c0d | 4103 | |
6e866b33 | 4104 | int manager_unit_is_active(Manager *manager, const char *unit, sd_bus_error *ret_error) { |
4c89c718 MP |
4105 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
4106 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
14228c0d | 4107 | _cleanup_free_ char *path = NULL; |
14228c0d | 4108 | const char *state; |
14228c0d MB |
4109 | int r; |
4110 | ||
4111 | assert(manager); | |
4112 | assert(unit); | |
4113 | ||
14228c0d MB |
4114 | path = unit_dbus_path_from_name(unit); |
4115 | if (!path) | |
4116 | return -ENOMEM; | |
4117 | ||
60f067b4 | 4118 | r = sd_bus_get_property( |
14228c0d MB |
4119 | manager->bus, |
4120 | "org.freedesktop.systemd1", | |
4121 | path, | |
60f067b4 JS |
4122 | "org.freedesktop.systemd1.Unit", |
4123 | "ActiveState", | |
14228c0d | 4124 | &error, |
60f067b4 JS |
4125 | &reply, |
4126 | "s"); | |
14228c0d | 4127 | if (r < 0) { |
bb4f798a | 4128 | /* systemd might have dropped off momentarily, let's |
60f067b4 | 4129 | * not make this an error */ |
a032b68d MB |
4130 | if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY, |
4131 | SD_BUS_ERROR_DISCONNECTED)) | |
14228c0d | 4132 | return true; |
14228c0d | 4133 | |
60f067b4 JS |
4134 | /* If the unit is already unloaded then it's not |
4135 | * active */ | |
a032b68d MB |
4136 | if (sd_bus_error_has_names(&error, BUS_ERROR_NO_SUCH_UNIT, |
4137 | BUS_ERROR_LOAD_FAILED)) | |
14228c0d | 4138 | return false; |
14228c0d | 4139 | |
6e866b33 | 4140 | sd_bus_error_move(ret_error, &error); |
14228c0d MB |
4141 | return r; |
4142 | } | |
4143 | ||
60f067b4 JS |
4144 | r = sd_bus_message_read(reply, "s", &state); |
4145 | if (r < 0) | |
6e866b33 | 4146 | return r; |
14228c0d | 4147 | |
6e866b33 | 4148 | return !STR_IN_SET(state, "inactive", "failed"); |
60f067b4 JS |
4149 | } |
4150 | ||
6e866b33 | 4151 | int manager_job_is_active(Manager *manager, const char *path, sd_bus_error *ret_error) { |
4c89c718 MP |
4152 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
4153 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
60f067b4 JS |
4154 | int r; |
4155 | ||
4156 | assert(manager); | |
4157 | assert(path); | |
4158 | ||
4159 | r = sd_bus_get_property( | |
4160 | manager->bus, | |
4161 | "org.freedesktop.systemd1", | |
4162 | path, | |
4163 | "org.freedesktop.systemd1.Job", | |
4164 | "State", | |
4165 | &error, | |
4166 | &reply, | |
4167 | "s"); | |
4168 | if (r < 0) { | |
a032b68d MB |
4169 | if (sd_bus_error_has_names(&error, SD_BUS_ERROR_NO_REPLY, |
4170 | SD_BUS_ERROR_DISCONNECTED)) | |
60f067b4 JS |
4171 | return true; |
4172 | ||
4173 | if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) | |
4174 | return false; | |
4175 | ||
6e866b33 | 4176 | sd_bus_error_move(ret_error, &error); |
60f067b4 | 4177 | return r; |
14228c0d MB |
4178 | } |
4179 | ||
60f067b4 JS |
4180 | /* We don't actually care about the state really. The fact |
4181 | * that we could read the job state is enough for us */ | |
14228c0d | 4182 | |
60f067b4 | 4183 | return true; |
14228c0d | 4184 | } |