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Commit | Line | Data |
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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
f8e2fb7b LP |
2 | |
3 | #include <errno.h> | |
4 | #include <fcntl.h> | |
ca78ad1d ZJS |
5 | #include <sys/stat.h> |
6 | #include <sys/types.h> | |
f8e2fb7b LP |
7 | #include <unistd.h> |
8 | ||
b5efdb8a | 9 | #include "alloc-util.h" |
686d13b9 | 10 | #include "env-file.h" |
46ed9f4c | 11 | #include "errno-list.h" |
7c248223 | 12 | #include "errno-util.h" |
4f5dd394 | 13 | #include "escape.h" |
3ffd4af2 | 14 | #include "fd-util.h" |
a5c32cff | 15 | #include "fileio.h" |
f97b34a6 | 16 | #include "format-util.h" |
70f1280c | 17 | #include "fs-util.h" |
11eae36d | 18 | #include "io-util.h" |
6ecda0fb | 19 | #include "logind-dbus.h" |
3ffd4af2 | 20 | #include "logind-inhibit.h" |
35cd0ba5 | 21 | #include "mkdir-label.h" |
6bedfcbb | 22 | #include "parse-util.h" |
b910cc72 | 23 | #include "path-util.h" |
8b43440b | 24 | #include "string-table.h" |
07630cea | 25 | #include "string-util.h" |
e4de7287 | 26 | #include "tmpfile-util.h" |
b1d4f8e1 | 27 | #include "user-util.h" |
f8e2fb7b | 28 | |
290320ef LP |
29 | static void inhibitor_remove_fifo(Inhibitor *i); |
30 | ||
81280b2a LP |
31 | int inhibitor_new(Inhibitor **ret, Manager *m, const char* id) { |
32 | _cleanup_(inhibitor_freep) Inhibitor *i = NULL; | |
33 | int r; | |
f8e2fb7b | 34 | |
81280b2a | 35 | assert(ret); |
f8e2fb7b | 36 | assert(m); |
81280b2a | 37 | assert(id); |
f8e2fb7b | 38 | |
81280b2a | 39 | i = new(Inhibitor, 1); |
f8e2fb7b | 40 | if (!i) |
81280b2a LP |
41 | return -ENOMEM; |
42 | ||
43 | *i = (Inhibitor) { | |
44 | .manager = m, | |
45 | .what = _INHIBIT_WHAT_INVALID, | |
46 | .mode = _INHIBIT_MODE_INVALID, | |
47 | .uid = UID_INVALID, | |
254d1313 | 48 | .fifo_fd = -EBADF, |
81280b2a | 49 | }; |
f8e2fb7b | 50 | |
b910cc72 | 51 | i->state_file = path_join("/run/systemd/inhibit", id); |
6b430fdb | 52 | if (!i->state_file) |
81280b2a | 53 | return -ENOMEM; |
f8e2fb7b | 54 | |
2b6bf07d | 55 | i->id = basename(i->state_file); |
f8e2fb7b | 56 | |
81280b2a LP |
57 | r = hashmap_put(m->inhibitors, i->id, i); |
58 | if (r < 0) | |
59 | return r; | |
f8e2fb7b | 60 | |
81280b2a LP |
61 | *ret = TAKE_PTR(i); |
62 | return 0; | |
f8e2fb7b LP |
63 | } |
64 | ||
81280b2a | 65 | Inhibitor* inhibitor_free(Inhibitor *i) { |
cc377381 | 66 | |
81280b2a LP |
67 | if (!i) |
68 | return NULL; | |
f8e2fb7b | 69 | |
cc377381 LP |
70 | free(i->who); |
71 | free(i->why); | |
72 | ||
81280b2a LP |
73 | sd_event_source_unref(i->event_source); |
74 | safe_close(i->fifo_fd); | |
f8e2fb7b | 75 | |
09172930 YW |
76 | hashmap_remove(i->manager->inhibitors, i->id); |
77 | ||
81280b2a LP |
78 | /* Note that we don't remove neither the state file nor the fifo path here, since we want both to |
79 | * survive daemon restarts */ | |
80 | free(i->state_file); | |
81 | free(i->fifo_path); | |
82 | ||
81280b2a | 83 | return mfree(i); |
f8e2fb7b LP |
84 | } |
85 | ||
290320ef | 86 | static int inhibitor_save(Inhibitor *i) { |
70f1280c | 87 | _cleanup_(unlink_and_freep) char *temp_path = NULL; |
cc377381 | 88 | _cleanup_fclose_ FILE *f = NULL; |
f8e2fb7b | 89 | int r; |
f8e2fb7b LP |
90 | |
91 | assert(i); | |
92 | ||
37c1d5e9 | 93 | r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0, MKDIR_WARN_MODE); |
f8e2fb7b | 94 | if (r < 0) |
dacd6cee | 95 | goto fail; |
f8e2fb7b LP |
96 | |
97 | r = fopen_temporary(i->state_file, &f, &temp_path); | |
98 | if (r < 0) | |
dacd6cee | 99 | goto fail; |
f8e2fb7b | 100 | |
07530d70 | 101 | (void) fchmod(fileno(f), 0644); |
f8e2fb7b LP |
102 | |
103 | fprintf(f, | |
104 | "# This is private data. Do not parse.\n" | |
105 | "WHAT=%s\n" | |
eecd1362 | 106 | "MODE=%s\n" |
90b2de37 ZJS |
107 | "UID="UID_FMT"\n" |
108 | "PID="PID_FMT"\n", | |
f8e2fb7b | 109 | inhibit_what_to_string(i->what), |
eecd1362 | 110 | inhibit_mode_to_string(i->mode), |
90b2de37 ZJS |
111 | i->uid, |
112 | i->pid); | |
f8e2fb7b LP |
113 | |
114 | if (i->who) { | |
cc377381 LP |
115 | _cleanup_free_ char *cc = NULL; |
116 | ||
f8e2fb7b | 117 | cc = cescape(i->who); |
88231eb6 | 118 | if (!cc) { |
f8e2fb7b | 119 | r = -ENOMEM; |
88231eb6 TA |
120 | goto fail; |
121 | } | |
122 | ||
123 | fprintf(f, "WHO=%s\n", cc); | |
f8e2fb7b LP |
124 | } |
125 | ||
126 | if (i->why) { | |
cc377381 LP |
127 | _cleanup_free_ char *cc = NULL; |
128 | ||
f8e2fb7b | 129 | cc = cescape(i->why); |
88231eb6 | 130 | if (!cc) { |
f8e2fb7b | 131 | r = -ENOMEM; |
88231eb6 TA |
132 | goto fail; |
133 | } | |
134 | ||
135 | fprintf(f, "WHY=%s\n", cc); | |
f8e2fb7b LP |
136 | } |
137 | ||
138 | if (i->fifo_path) | |
139 | fprintf(f, "FIFO=%s\n", i->fifo_path); | |
140 | ||
dacd6cee LP |
141 | r = fflush_and_check(f); |
142 | if (r < 0) | |
143 | goto fail; | |
f8e2fb7b | 144 | |
dacd6cee | 145 | if (rename(temp_path, i->state_file) < 0) { |
f8e2fb7b | 146 | r = -errno; |
dacd6cee | 147 | goto fail; |
f8e2fb7b LP |
148 | } |
149 | ||
70f1280c | 150 | temp_path = mfree(temp_path); |
dacd6cee LP |
151 | return 0; |
152 | ||
153 | fail: | |
154 | (void) unlink(i->state_file); | |
155 | ||
dacd6cee | 156 | return log_error_errno(r, "Failed to save inhibit data %s: %m", i->state_file); |
f8e2fb7b LP |
157 | } |
158 | ||
fa39c2de LP |
159 | static int bus_manager_send_inhibited_change(Inhibitor *i) { |
160 | const char *property; | |
161 | ||
162 | assert(i); | |
163 | ||
164 | property = i->mode == INHIBIT_BLOCK ? "BlockInhibited" : "DelayInhibited"; | |
165 | ||
166 | return manager_send_changed(i->manager, property, NULL); | |
167 | } | |
168 | ||
f8e2fb7b LP |
169 | int inhibitor_start(Inhibitor *i) { |
170 | assert(i); | |
171 | ||
172 | if (i->started) | |
173 | return 0; | |
174 | ||
c7b5eb98 LP |
175 | dual_timestamp_get(&i->since); |
176 | ||
de0671ee | 177 | log_debug("Inhibitor %s (%s) pid="PID_FMT" uid="UID_FMT" mode=%s started.", |
f8e2fb7b | 178 | strna(i->who), strna(i->why), |
de0671ee | 179 | i->pid, i->uid, |
eecd1362 | 180 | inhibit_mode_to_string(i->mode)); |
f8e2fb7b | 181 | |
f8e2fb7b LP |
182 | i->started = true; |
183 | ||
fa39c2de LP |
184 | inhibitor_save(i); |
185 | ||
186 | bus_manager_send_inhibited_change(i); | |
f8e2fb7b LP |
187 | |
188 | return 0; | |
189 | } | |
190 | ||
290320ef | 191 | void inhibitor_stop(Inhibitor *i) { |
f8e2fb7b LP |
192 | assert(i); |
193 | ||
194 | if (i->started) | |
de0671ee | 195 | log_debug("Inhibitor %s (%s) pid="PID_FMT" uid="UID_FMT" mode=%s stopped.", |
f8e2fb7b | 196 | strna(i->who), strna(i->why), |
de0671ee | 197 | i->pid, i->uid, |
eecd1362 | 198 | inhibit_mode_to_string(i->mode)); |
f8e2fb7b | 199 | |
81280b2a LP |
200 | inhibitor_remove_fifo(i); |
201 | ||
f8e2fb7b | 202 | if (i->state_file) |
6990fb6b | 203 | (void) unlink(i->state_file); |
f8e2fb7b LP |
204 | |
205 | i->started = false; | |
206 | ||
fa39c2de | 207 | bus_manager_send_inhibited_change(i); |
f8e2fb7b LP |
208 | } |
209 | ||
210 | int inhibitor_load(Inhibitor *i) { | |
e437538f | 211 | _cleanup_free_ char *what = NULL, *uid = NULL, *pid = NULL, *who = NULL, *why = NULL, *mode = NULL; |
cc377381 LP |
212 | InhibitWhat w; |
213 | InhibitMode mm; | |
214 | char *cc; | |
e437538f | 215 | ssize_t l; |
cc377381 LP |
216 | int r; |
217 | ||
aa8fbc74 | 218 | r = parse_env_file(NULL, i->state_file, |
f8e2fb7b LP |
219 | "WHAT", &what, |
220 | "UID", &uid, | |
221 | "PID", &pid, | |
222 | "WHO", &who, | |
223 | "WHY", &why, | |
eecd1362 | 224 | "MODE", &mode, |
13df9c39 | 225 | "FIFO", &i->fifo_path); |
f8e2fb7b | 226 | if (r < 0) |
11b0dd0e | 227 | return log_error_errno(r, "Failed to read %s: %m", i->state_file); |
f8e2fb7b | 228 | |
eecd1362 | 229 | w = what ? inhibit_what_from_string(what) : 0; |
f8e2fb7b LP |
230 | if (w >= 0) |
231 | i->what = w; | |
232 | ||
eecd1362 LP |
233 | mm = mode ? inhibit_mode_from_string(mode) : INHIBIT_BLOCK; |
234 | if (mm >= 0) | |
235 | i->mode = mm; | |
236 | ||
a34faf57 LN |
237 | if (uid) { |
238 | r = parse_uid(uid, &i->uid); | |
239 | if (r < 0) | |
11b0dd0e | 240 | log_debug_errno(r, "Failed to parse UID of inhibitor: %s", uid); |
a34faf57 | 241 | } |
eecd1362 | 242 | |
a34faf57 LN |
243 | if (pid) { |
244 | r = parse_pid(pid, &i->pid); | |
245 | if (r < 0) | |
11b0dd0e | 246 | log_debug_errno(r, "Failed to parse PID of inhibitor: %s", pid); |
a34faf57 | 247 | } |
f8e2fb7b LP |
248 | |
249 | if (who) { | |
e437538f ZJS |
250 | l = cunescape(who, 0, &cc); |
251 | if (l < 0) | |
252 | return log_debug_errno(l, "Failed to unescape \"who\" of inhibitor: %m"); | |
f8e2fb7b | 253 | |
09f300c4 | 254 | free_and_replace(i->who, cc); |
f8e2fb7b LP |
255 | } |
256 | ||
257 | if (why) { | |
e437538f ZJS |
258 | l = cunescape(why, 0, &cc); |
259 | if (l < 0) | |
260 | return log_debug_errno(l, "Failed to unescape \"why\" of inhibitor: %m"); | |
f8e2fb7b | 261 | |
09f300c4 | 262 | free_and_replace(i->why, cc); |
f8e2fb7b LP |
263 | } |
264 | ||
265 | if (i->fifo_path) { | |
254d1313 | 266 | _cleanup_close_ int fd = -EBADF; |
f8e2fb7b | 267 | |
11b0dd0e | 268 | /* Let's re-open the FIFO on both sides, and close the writing side right away */ |
f8e2fb7b | 269 | fd = inhibitor_create_fifo(i); |
11b0dd0e LP |
270 | if (fd < 0) |
271 | return log_error_errno(fd, "Failed to reopen FIFO: %m"); | |
f8e2fb7b LP |
272 | } |
273 | ||
cc377381 LP |
274 | return 0; |
275 | } | |
f8e2fb7b | 276 | |
cc377381 | 277 | static int inhibitor_dispatch_fifo(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
99534007 | 278 | Inhibitor *i = ASSERT_PTR(userdata); |
cc377381 LP |
279 | |
280 | assert(s); | |
281 | assert(fd == i->fifo_fd); | |
cc377381 LP |
282 | |
283 | inhibitor_stop(i); | |
284 | inhibitor_free(i); | |
285 | ||
286 | return 0; | |
f8e2fb7b LP |
287 | } |
288 | ||
289 | int inhibitor_create_fifo(Inhibitor *i) { | |
290 | int r; | |
291 | ||
292 | assert(i); | |
293 | ||
294 | /* Create FIFO */ | |
295 | if (!i->fifo_path) { | |
37c1d5e9 | 296 | r = mkdir_safe_label("/run/systemd/inhibit", 0755, 0, 0, MKDIR_WARN_MODE); |
f8e2fb7b LP |
297 | if (r < 0) |
298 | return r; | |
299 | ||
605405c6 | 300 | i->fifo_path = strjoin("/run/systemd/inhibit/", i->id, ".ref"); |
cc377381 | 301 | if (!i->fifo_path) |
f8e2fb7b LP |
302 | return -ENOMEM; |
303 | ||
304 | if (mkfifo(i->fifo_path, 0600) < 0 && errno != EEXIST) | |
305 | return -errno; | |
306 | } | |
307 | ||
308 | /* Open reading side */ | |
309 | if (i->fifo_fd < 0) { | |
db4a47e9 | 310 | i->fifo_fd = open(i->fifo_path, O_RDONLY|O_CLOEXEC|O_NONBLOCK); |
f8e2fb7b LP |
311 | if (i->fifo_fd < 0) |
312 | return -errno; | |
cc377381 | 313 | } |
f8e2fb7b | 314 | |
cc377381 | 315 | if (!i->event_source) { |
151b9b96 | 316 | r = sd_event_add_io(i->manager->event, &i->event_source, i->fifo_fd, 0, inhibitor_dispatch_fifo, i); |
f8e2fb7b LP |
317 | if (r < 0) |
318 | return r; | |
319 | ||
e11544a8 | 320 | r = sd_event_source_set_priority(i->event_source, SD_EVENT_PRIORITY_IDLE-10); |
cc377381 LP |
321 | if (r < 0) |
322 | return r; | |
3884274b LP |
323 | |
324 | (void) sd_event_source_set_description(i->event_source, "inhibitor-ref"); | |
f8e2fb7b LP |
325 | } |
326 | ||
327 | /* Open writing side */ | |
7c248223 | 328 | return RET_NERRNO(open(i->fifo_path, O_WRONLY|O_CLOEXEC|O_NONBLOCK)); |
f8e2fb7b LP |
329 | } |
330 | ||
290320ef | 331 | static void inhibitor_remove_fifo(Inhibitor *i) { |
f8e2fb7b LP |
332 | assert(i); |
333 | ||
03e334a1 LP |
334 | i->event_source = sd_event_source_unref(i->event_source); |
335 | i->fifo_fd = safe_close(i->fifo_fd); | |
f8e2fb7b LP |
336 | |
337 | if (i->fifo_path) { | |
6990fb6b | 338 | (void) unlink(i->fifo_path); |
a1e58e8e | 339 | i->fifo_path = mfree(i->fifo_path); |
f8e2fb7b LP |
340 | } |
341 | } | |
342 | ||
11eae36d LP |
343 | bool inhibitor_is_orphan(Inhibitor *i) { |
344 | assert(i); | |
345 | ||
346 | if (!i->started) | |
347 | return true; | |
348 | ||
349 | if (!i->fifo_path) | |
350 | return true; | |
351 | ||
352 | if (i->fifo_fd < 0) | |
353 | return true; | |
354 | ||
355 | if (pipe_eof(i->fifo_fd) != 0) | |
356 | return true; | |
357 | ||
358 | return false; | |
359 | } | |
360 | ||
eecd1362 | 361 | InhibitWhat manager_inhibit_what(Manager *m, InhibitMode mm) { |
f8e2fb7b | 362 | Inhibitor *i; |
f8e2fb7b LP |
363 | InhibitWhat what = 0; |
364 | ||
365 | assert(m); | |
366 | ||
90e74a66 | 367 | HASHMAP_FOREACH(i, m->inhibitors) |
5e8273ac | 368 | if (i->mode == mm && i->started) |
eecd1362 | 369 | what |= i->what; |
f8e2fb7b LP |
370 | |
371 | return what; | |
372 | } | |
373 | ||
beaafb2e LP |
374 | static int pid_is_active(Manager *m, pid_t pid) { |
375 | Session *s; | |
376 | int r; | |
377 | ||
7b33c622 AJ |
378 | /* Get client session. This is not what you are looking for these days. |
379 | * FIXME #6852 */ | |
beaafb2e | 380 | r = manager_get_session_by_pid(m, pid, &s); |
2c4f86c1 | 381 | if (r < 0) |
beaafb2e LP |
382 | return r; |
383 | ||
2c4f86c1 LP |
384 | /* If there's no session assigned to it, then it's globally |
385 | * active on all ttys */ | |
386 | if (r == 0) | |
387 | return 1; | |
388 | ||
beaafb2e LP |
389 | return session_is_active(s); |
390 | } | |
391 | ||
392 | bool manager_is_inhibited( | |
393 | Manager *m, | |
394 | InhibitWhat w, | |
395 | InhibitMode mm, | |
396 | dual_timestamp *since, | |
409133be LP |
397 | bool ignore_inactive, |
398 | bool ignore_uid, | |
85a428c6 LP |
399 | uid_t uid, |
400 | Inhibitor **offending) { | |
beaafb2e | 401 | |
c7b5eb98 | 402 | Inhibitor *i; |
5cb14b37 | 403 | struct dual_timestamp ts = DUAL_TIMESTAMP_NULL; |
c7b5eb98 LP |
404 | bool inhibited = false; |
405 | ||
406 | assert(m); | |
407 | assert(w > 0 && w < _INHIBIT_WHAT_MAX); | |
408 | ||
90e74a66 | 409 | HASHMAP_FOREACH(i, m->inhibitors) { |
5e8273ac AF |
410 | if (!i->started) |
411 | continue; | |
412 | ||
c7b5eb98 LP |
413 | if (!(i->what & w)) |
414 | continue; | |
415 | ||
eecd1362 LP |
416 | if (i->mode != mm) |
417 | continue; | |
418 | ||
409133be LP |
419 | if (ignore_inactive && pid_is_active(m, i->pid) <= 0) |
420 | continue; | |
421 | ||
422 | if (ignore_uid && i->uid == uid) | |
beaafb2e LP |
423 | continue; |
424 | ||
c7b5eb98 LP |
425 | if (!inhibited || |
426 | i->since.monotonic < ts.monotonic) | |
427 | ts = i->since; | |
428 | ||
429 | inhibited = true; | |
85a428c6 LP |
430 | |
431 | if (offending) | |
432 | *offending = i; | |
c7b5eb98 LP |
433 | } |
434 | ||
435 | if (since) | |
436 | *since = ts; | |
437 | ||
438 | return inhibited; | |
439 | } | |
440 | ||
f8e2fb7b | 441 | const char *inhibit_what_to_string(InhibitWhat w) { |
adbb2b6a RM |
442 | static thread_local char buffer[STRLEN( |
443 | "shutdown:" | |
444 | "sleep:" | |
445 | "idle:" | |
446 | "handle-power-key:" | |
447 | "handle-suspend-key:" | |
448 | "handle-hibernate-key:" | |
449 | "handle-lid-switch:" | |
450 | "handle-reboot-key")+1]; | |
beaafb2e | 451 | char *p; |
f8e2fb7b LP |
452 | |
453 | if (w < 0 || w >= _INHIBIT_WHAT_MAX) | |
454 | return NULL; | |
455 | ||
beaafb2e LP |
456 | p = buffer; |
457 | if (w & INHIBIT_SHUTDOWN) | |
458 | p = stpcpy(p, "shutdown:"); | |
459 | if (w & INHIBIT_SLEEP) | |
460 | p = stpcpy(p, "sleep:"); | |
461 | if (w & INHIBIT_IDLE) | |
462 | p = stpcpy(p, "idle:"); | |
463 | if (w & INHIBIT_HANDLE_POWER_KEY) | |
464 | p = stpcpy(p, "handle-power-key:"); | |
8e7fd6ad LP |
465 | if (w & INHIBIT_HANDLE_SUSPEND_KEY) |
466 | p = stpcpy(p, "handle-suspend-key:"); | |
467 | if (w & INHIBIT_HANDLE_HIBERNATE_KEY) | |
468 | p = stpcpy(p, "handle-hibernate-key:"); | |
beaafb2e LP |
469 | if (w & INHIBIT_HANDLE_LID_SWITCH) |
470 | p = stpcpy(p, "handle-lid-switch:"); | |
adbb2b6a RM |
471 | if (w & INHIBIT_HANDLE_REBOOT_KEY) |
472 | p = stpcpy(p, "handle-reboot-key:"); | |
beaafb2e LP |
473 | |
474 | if (p > buffer) | |
475 | *(p-1) = 0; | |
476 | else | |
477 | *p = 0; | |
478 | ||
479 | return buffer; | |
f8e2fb7b LP |
480 | } |
481 | ||
46ed9f4c | 482 | int inhibit_what_from_string(const char *s) { |
f8e2fb7b | 483 | InhibitWhat what = 0; |
f8e2fb7b | 484 | |
46ed9f4c ZJS |
485 | for (const char *p = s;;) { |
486 | _cleanup_free_ char *word = NULL; | |
487 | int r; | |
488 | ||
489 | /* A sanity check that our return values fit in an int */ | |
490 | assert_cc((int) _INHIBIT_WHAT_MAX == _INHIBIT_WHAT_MAX); | |
491 | ||
492 | r = extract_first_word(&p, &word, ":", EXTRACT_DONT_COALESCE_SEPARATORS); | |
493 | if (r < 0) | |
494 | return r; | |
495 | if (r == 0) | |
496 | return what; | |
497 | ||
498 | if (streq(word, "shutdown")) | |
f8e2fb7b | 499 | what |= INHIBIT_SHUTDOWN; |
46ed9f4c | 500 | else if (streq(word, "sleep")) |
4943c1c9 | 501 | what |= INHIBIT_SLEEP; |
46ed9f4c | 502 | else if (streq(word, "idle")) |
f8e2fb7b | 503 | what |= INHIBIT_IDLE; |
46ed9f4c | 504 | else if (streq(word, "handle-power-key")) |
beaafb2e | 505 | what |= INHIBIT_HANDLE_POWER_KEY; |
46ed9f4c | 506 | else if (streq(word, "handle-suspend-key")) |
8e7fd6ad | 507 | what |= INHIBIT_HANDLE_SUSPEND_KEY; |
46ed9f4c | 508 | else if (streq(word, "handle-hibernate-key")) |
8e7fd6ad | 509 | what |= INHIBIT_HANDLE_HIBERNATE_KEY; |
46ed9f4c | 510 | else if (streq(word, "handle-lid-switch")) |
beaafb2e | 511 | what |= INHIBIT_HANDLE_LID_SWITCH; |
197db625 | 512 | else if (streq(word, "handle-reboot-key")) |
adbb2b6a | 513 | what |= INHIBIT_HANDLE_REBOOT_KEY; |
f8e2fb7b LP |
514 | else |
515 | return _INHIBIT_WHAT_INVALID; | |
516 | } | |
f8e2fb7b | 517 | } |
eecd1362 LP |
518 | |
519 | static const char* const inhibit_mode_table[_INHIBIT_MODE_MAX] = { | |
520 | [INHIBIT_BLOCK] = "block", | |
521 | [INHIBIT_DELAY] = "delay" | |
522 | }; | |
523 | ||
524 | DEFINE_STRING_TABLE_LOOKUP(inhibit_mode, InhibitMode); |