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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
4b939747 | 26 | #include <sys/reboot.h> |
efe6e7d3 MO |
27 | #include <linux/reboot.h> |
28 | #include <sys/syscall.h> | |
5cb5a6ff | 29 | |
4b939747 | 30 | #include "manager.h" |
87f0e418 | 31 | #include "unit.h" |
5cb5a6ff LP |
32 | #include "service.h" |
33 | #include "load-fragment.h" | |
34 | #include "load-dropin.h" | |
034c6ed7 | 35 | #include "log.h" |
2c4104f0 | 36 | #include "strv.h" |
9e2f7c11 | 37 | #include "unit-name.h" |
41f9172f | 38 | #include "unit-printf.h" |
4139c1b2 | 39 | #include "dbus-service.h" |
514f4ef5 | 40 | #include "special.h" |
9a57c629 | 41 | #include "exit-status.h" |
f6a6225e | 42 | #include "def.h" |
9eb977db | 43 | #include "path-util.h" |
f6a6225e | 44 | #include "util.h" |
7f110ff9 | 45 | #include "utf8.h" |
4d1a6904 | 46 | #include "env-util.h" |
a5c32cff | 47 | #include "fileio.h" |
718db961 LP |
48 | #include "bus-error.h" |
49 | #include "bus-util.h" | |
034c6ed7 | 50 | |
07459bb6 | 51 | #ifdef HAVE_SYSV_COMPAT |
f34277d9 | 52 | |
f6a6225e | 53 | #define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE) |
f34277d9 | 54 | |
09cd1ab1 LP |
55 | typedef enum RunlevelType { |
56 | RUNLEVEL_UP, | |
3cdebc21 | 57 | RUNLEVEL_DOWN |
09cd1ab1 LP |
58 | } RunlevelType; |
59 | ||
60 | static const struct { | |
61 | const char *path; | |
62 | const char *target; | |
63 | const RunlevelType type; | |
64 | } rcnd_table[] = { | |
9d25f5ed | 65 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 66 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
67 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
68 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
69 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
70 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 71 | |
9d25f5ed LP |
72 | /* Standard SysV runlevels for shutdown */ |
73 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
74 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
75 | ||
76 | /* Note that the order here matters, as we read the | |
77 | directories in this order, and we want to make sure that | |
78 | sysv_start_priority is known when we first load the | |
79 | unit. And that value we only know from S links. Hence | |
3cdebc21 | 80 | UP must be read before DOWN */ |
23a177ef LP |
81 | }; |
82 | ||
09cd1ab1 | 83 | #define RUNLEVELS_UP "12345" |
07459bb6 | 84 | #endif |
09cd1ab1 | 85 | |
acbb0225 | 86 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
87 | [SERVICE_DEAD] = UNIT_INACTIVE, |
88 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
89 | [SERVICE_START] = UNIT_ACTIVATING, | |
90 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
91 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 92 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 93 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
94 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
95 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
96 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
97 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
98 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
99 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 100 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 101 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 102 | }; |
5cb5a6ff | 103 | |
e056b01d LP |
104 | /* For Type=idle we never want to delay any other jobs, hence we |
105 | * consider idle jobs active as soon as we start working on them */ | |
106 | static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = { | |
107 | [SERVICE_DEAD] = UNIT_INACTIVE, | |
108 | [SERVICE_START_PRE] = UNIT_ACTIVE, | |
109 | [SERVICE_START] = UNIT_ACTIVE, | |
110 | [SERVICE_START_POST] = UNIT_ACTIVE, | |
111 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
112 | [SERVICE_EXITED] = UNIT_ACTIVE, | |
113 | [SERVICE_RELOAD] = UNIT_RELOADING, | |
114 | [SERVICE_STOP] = UNIT_DEACTIVATING, | |
115 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
116 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
117 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
118 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
119 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
120 | [SERVICE_FAILED] = UNIT_FAILED, | |
121 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING | |
122 | }; | |
123 | ||
718db961 LP |
124 | static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata); |
125 | static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata); | |
126 | static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata); | |
127 | ||
842129f5 LP |
128 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
129 | ||
a16e1123 LP |
130 | static void service_init(Unit *u) { |
131 | Service *s = SERVICE(u); | |
132 | ||
133 | assert(u); | |
ac155bb8 | 134 | assert(u->load_state == UNIT_STUB); |
a16e1123 | 135 | |
1f19a534 OS |
136 | s->timeout_start_usec = u->manager->default_timeout_start_usec; |
137 | s->timeout_stop_usec = u->manager->default_timeout_stop_usec; | |
138 | s->restart_usec = u->manager->default_restart_usec; | |
0b86feac | 139 | s->type = _SERVICE_TYPE_INVALID; |
bb242b7b | 140 | |
07459bb6 | 141 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 142 | s->sysv_start_priority = -1; |
ea87ca5a | 143 | s->sysv_start_priority_from_rcnd = -1; |
07459bb6 | 144 | #endif |
a16e1123 | 145 | s->socket_fd = -1; |
3185a36b | 146 | s->guess_main_pid = true; |
a16e1123 | 147 | |
085afe36 | 148 | RATELIMIT_INIT(s->start_limit, u->manager->default_start_limit_interval, u->manager->default_start_limit_burst); |
a16e1123 LP |
149 | |
150 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
151 | } | |
152 | ||
5e94833f LP |
153 | static void service_unwatch_control_pid(Service *s) { |
154 | assert(s); | |
155 | ||
156 | if (s->control_pid <= 0) | |
157 | return; | |
158 | ||
159 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
160 | s->control_pid = 0; | |
161 | } | |
162 | ||
163 | static void service_unwatch_main_pid(Service *s) { | |
164 | assert(s); | |
165 | ||
166 | if (s->main_pid <= 0) | |
167 | return; | |
168 | ||
169 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
170 | s->main_pid = 0; | |
171 | } | |
172 | ||
3e52541e MS |
173 | static void service_unwatch_pid_file(Service *s) { |
174 | if (!s->pid_file_pathspec) | |
175 | return; | |
176 | ||
66870f90 ZJS |
177 | log_debug_unit(UNIT(s)->id, "Stopping watch for %s's PID file %s", |
178 | UNIT(s)->id, s->pid_file_pathspec->path); | |
718db961 | 179 | path_spec_unwatch(s->pid_file_pathspec); |
3e52541e MS |
180 | path_spec_done(s->pid_file_pathspec); |
181 | free(s->pid_file_pathspec); | |
182 | s->pid_file_pathspec = NULL; | |
183 | } | |
184 | ||
5925dd3c | 185 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
186 | pid_t ppid; |
187 | ||
5925dd3c LP |
188 | assert(s); |
189 | ||
190 | if (pid <= 1) | |
191 | return -EINVAL; | |
192 | ||
193 | if (pid == getpid()) | |
194 | return -EINVAL; | |
195 | ||
7400b9d2 LP |
196 | if (s->main_pid == pid && s->main_pid_known) |
197 | return 0; | |
198 | ||
199 | if (s->main_pid != pid) { | |
200 | service_unwatch_main_pid(s); | |
201 | exec_status_start(&s->main_exec_status, pid); | |
202 | } | |
41efeaec | 203 | |
6dfa5494 LP |
204 | s->main_pid = pid; |
205 | s->main_pid_known = true; | |
206 | ||
207 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
66870f90 | 208 | log_warning_unit(UNIT(s)->id, |
ccd06097 ZJS |
209 | "%s: Supervising process "PID_FMT" which is not our child. We'll most likely not notice when it exits.", |
210 | UNIT(s)->id, pid); | |
e55224ca | 211 | |
6dfa5494 LP |
212 | s->main_pid_alien = true; |
213 | } else | |
214 | s->main_pid_alien = false; | |
5925dd3c LP |
215 | |
216 | return 0; | |
217 | } | |
218 | ||
4f2d528d LP |
219 | static void service_close_socket_fd(Service *s) { |
220 | assert(s); | |
221 | ||
222 | if (s->socket_fd < 0) | |
223 | return; | |
224 | ||
03e334a1 | 225 | s->socket_fd = safe_close(s->socket_fd); |
4f2d528d LP |
226 | } |
227 | ||
6cf6bbc2 LP |
228 | static void service_connection_unref(Service *s) { |
229 | assert(s); | |
230 | ||
9444b1f2 | 231 | if (!UNIT_ISSET(s->accept_socket)) |
6cf6bbc2 LP |
232 | return; |
233 | ||
57020a3a LP |
234 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
235 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
236 | } |
237 | ||
a6927d7f MO |
238 | static void service_stop_watchdog(Service *s) { |
239 | assert(s); | |
240 | ||
718db961 | 241 | s->watchdog_event_source = sd_event_source_unref(s->watchdog_event_source); |
842129f5 | 242 | s->watchdog_timestamp = DUAL_TIMESTAMP_NULL; |
a6927d7f MO |
243 | } |
244 | ||
842129f5 | 245 | static void service_start_watchdog(Service *s) { |
bb242b7b MO |
246 | int r; |
247 | ||
248 | assert(s); | |
249 | ||
842129f5 | 250 | if (s->watchdog_usec <= 0) |
bb242b7b MO |
251 | return; |
252 | ||
718db961 LP |
253 | if (s->watchdog_event_source) { |
254 | r = sd_event_source_set_time(s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec); | |
255 | if (r < 0) { | |
256 | log_warning_unit(UNIT(s)->id, "%s failed to reset watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
257 | return; | |
258 | } | |
259 | ||
842129f5 | 260 | r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ONESHOT); |
c4ef3317 | 261 | } else { |
6a0f1f6d LP |
262 | r = sd_event_add_time( |
263 | UNIT(s)->manager->event, | |
264 | &s->watchdog_event_source, | |
265 | CLOCK_MONOTONIC, | |
266 | s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, | |
267 | service_dispatch_watchdog, s); | |
c4ef3317 LP |
268 | if (r < 0) { |
269 | log_warning_unit(UNIT(s)->id, "%s failed to add watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
270 | return; | |
271 | } | |
272 | ||
273 | /* Let's process everything else which might be a sign | |
274 | * of living before we consider a service died. */ | |
275 | r = sd_event_source_set_priority(s->watchdog_event_source, SD_EVENT_PRIORITY_IDLE); | |
276 | } | |
718db961 | 277 | |
bb242b7b | 278 | if (r < 0) |
842129f5 | 279 | log_warning_unit(UNIT(s)->id, "%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r)); |
bb242b7b MO |
280 | } |
281 | ||
a6927d7f MO |
282 | static void service_reset_watchdog(Service *s) { |
283 | assert(s); | |
284 | ||
285 | dual_timestamp_get(&s->watchdog_timestamp); | |
842129f5 | 286 | service_start_watchdog(s); |
a6927d7f MO |
287 | } |
288 | ||
87f0e418 LP |
289 | static void service_done(Unit *u) { |
290 | Service *s = SERVICE(u); | |
44d8db9e LP |
291 | |
292 | assert(s); | |
293 | ||
294 | free(s->pid_file); | |
295 | s->pid_file = NULL; | |
296 | ||
07459bb6 | 297 | #ifdef HAVE_SYSV_COMPAT |
8309400a LP |
298 | free(s->sysv_runlevels); |
299 | s->sysv_runlevels = NULL; | |
07459bb6 | 300 | #endif |
8309400a | 301 | |
8c47c732 LP |
302 | free(s->status_text); |
303 | s->status_text = NULL; | |
304 | ||
efe6e7d3 MO |
305 | free(s->reboot_arg); |
306 | s->reboot_arg = NULL; | |
307 | ||
613b411c | 308 | s->exec_runtime = exec_runtime_unref(s->exec_runtime); |
e537352b | 309 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 310 | s->control_command = NULL; |
867b3b7d | 311 | s->main_command = NULL; |
44d8db9e | 312 | |
96342de6 LN |
313 | set_free(s->restart_ignore_status.code); |
314 | s->restart_ignore_status.code = NULL; | |
315 | set_free(s->restart_ignore_status.signal); | |
316 | s->restart_ignore_status.signal = NULL; | |
317 | ||
318 | set_free(s->success_status.code); | |
319 | s->success_status.code = NULL; | |
320 | set_free(s->success_status.signal); | |
321 | s->success_status.signal = NULL; | |
322 | ||
44d8db9e LP |
323 | /* This will leak a process, but at least no memory or any of |
324 | * our resources */ | |
5e94833f LP |
325 | service_unwatch_main_pid(s); |
326 | service_unwatch_control_pid(s); | |
3e52541e | 327 | service_unwatch_pid_file(s); |
44d8db9e | 328 | |
05e343b7 | 329 | if (s->bus_name) { |
ac155bb8 | 330 | unit_unwatch_bus_name(u, s->bus_name); |
05e343b7 LP |
331 | free(s->bus_name); |
332 | s->bus_name = NULL; | |
333 | } | |
334 | ||
4f2d528d | 335 | service_close_socket_fd(s); |
6cf6bbc2 | 336 | service_connection_unref(s); |
4f2d528d | 337 | |
57020a3a | 338 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 339 | |
bb242b7b MO |
340 | service_stop_watchdog(s); |
341 | ||
718db961 LP |
342 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
343 | } | |
344 | ||
345 | static int service_arm_timer(Service *s, usec_t usec) { | |
346 | int r; | |
347 | ||
348 | assert(s); | |
349 | ||
718db961 LP |
350 | if (s->timer_event_source) { |
351 | r = sd_event_source_set_time(s->timer_event_source, now(CLOCK_MONOTONIC) + usec); | |
352 | if (r < 0) | |
353 | return r; | |
354 | ||
355 | return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT); | |
356 | } | |
357 | ||
6a0f1f6d LP |
358 | return sd_event_add_time( |
359 | UNIT(s)->manager->event, | |
360 | &s->timer_event_source, | |
361 | CLOCK_MONOTONIC, | |
362 | now(CLOCK_MONOTONIC) + usec, 0, | |
363 | service_dispatch_timer, s); | |
44d8db9e LP |
364 | } |
365 | ||
07459bb6 | 366 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
367 | static char *sysv_translate_name(const char *name) { |
368 | char *r; | |
369 | ||
f8294e41 | 370 | r = new(char, strlen(name) + strlen(".service") + 1); |
5d4caf56 | 371 | if (!r) |
b7ccee3c LP |
372 | return NULL; |
373 | ||
5b819198 | 374 | if (endswith(name, ".sh")) |
85a3fa0e | 375 | /* Drop .sh suffix */ |
5b819198 | 376 | strcpy(stpcpy(r, name) - 3, ".service"); |
b7ccee3c | 377 | else |
85a3fa0e | 378 | /* Normal init script name */ |
b7ccee3c LP |
379 | strcpy(stpcpy(r, name), ".service"); |
380 | ||
381 | return r; | |
382 | } | |
383 | ||
ee95669f | 384 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 385 | |
a7d3cc26 LP |
386 | /* We silently ignore the $ prefix here. According to the LSB |
387 | * spec it simply indicates whether something is a | |
388 | * standardized name or a distribution-specific one. Since we | |
389 | * just follow what already exists and do not introduce new | |
390 | * uses or names we don't care who introduced a new name. */ | |
391 | ||
2c4104f0 | 392 | static const char * const table[] = { |
6464aa08 | 393 | /* LSB defined facilities */ |
5d4caf56 | 394 | "local_fs", NULL, |
0404c609 | 395 | "network", SPECIAL_NETWORK_ONLINE_TARGET, |
a7d3cc26 LP |
396 | "named", SPECIAL_NSS_LOOKUP_TARGET, |
397 | "portmap", SPECIAL_RPCBIND_TARGET, | |
398 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
5d4caf56 | 399 | "syslog", NULL, |
4466194c | 400 | "time", SPECIAL_TIME_SYNC_TARGET, |
2c4104f0 LP |
401 | }; |
402 | ||
403 | unsigned i; | |
404 | char *r; | |
ee95669f | 405 | const char *n; |
2c4104f0 | 406 | |
ee95669f LP |
407 | assert(name); |
408 | assert(_r); | |
a7d3cc26 | 409 | |
ee95669f | 410 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 411 | |
ee95669f | 412 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 413 | |
ee95669f LP |
414 | if (!streq(table[i], n)) |
415 | continue; | |
2c4104f0 | 416 | |
ee95669f LP |
417 | if (!table[i+1]) |
418 | return 0; | |
419 | ||
5d4caf56 LP |
420 | r = strdup(table[i+1]); |
421 | if (!r) | |
422 | return log_oom(); | |
ee95669f LP |
423 | |
424 | goto finish; | |
425 | } | |
2c4104f0 | 426 | |
a7d3cc26 | 427 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 428 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 429 | |
e83c7c0b LP |
430 | if (*name == '$') { |
431 | if (!unit_prefix_is_valid(n)) | |
432 | return -EINVAL; | |
433 | ||
ee95669f LP |
434 | /* Facilities starting with $ are most likely targets */ |
435 | r = unit_name_build(n, NULL, ".target"); | |
e83c7c0b | 436 | } else if (filename && streq(name, filename)) |
35b8ca3a | 437 | /* Names equaling the file name of the services are redundant */ |
ee95669f | 438 | return 0; |
32159d3a | 439 | else |
ee95669f LP |
440 | /* Everything else we assume to be normal service names */ |
441 | r = sysv_translate_name(n); | |
2c4104f0 | 442 | |
32159d3a | 443 | if (!r) |
2c4104f0 LP |
444 | return -ENOMEM; |
445 | ||
446 | finish: | |
b4353094 | 447 | *_r = r; |
2c4104f0 LP |
448 | |
449 | return 1; | |
450 | } | |
451 | ||
56d748b4 | 452 | static int sysv_fix_order(Service *s) { |
ac155bb8 | 453 | Unit *other; |
2c4104f0 LP |
454 | int r; |
455 | ||
456 | assert(s); | |
457 | ||
458 | if (s->sysv_start_priority < 0) | |
459 | return 0; | |
460 | ||
23a177ef LP |
461 | /* For each pair of services where at least one lacks a LSB |
462 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 463 | |
1124fe6f | 464 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
2c4104f0 LP |
465 | Service *t; |
466 | UnitDependency d; | |
eeaafddc | 467 | bool special_s, special_t; |
2c4104f0 | 468 | |
595ed347 | 469 | t = SERVICE(other); |
2c4104f0 LP |
470 | |
471 | if (s == t) | |
472 | continue; | |
9f151f29 | 473 | |
1124fe6f | 474 | if (UNIT(t)->load_state != UNIT_LOADED) |
9f151f29 | 475 | continue; |
2c4104f0 LP |
476 | |
477 | if (t->sysv_start_priority < 0) | |
478 | continue; | |
479 | ||
51a1a79d LP |
480 | /* If both units have modern headers we don't care |
481 | * about the priorities */ | |
1124fe6f MS |
482 | if ((UNIT(s)->fragment_path || s->sysv_has_lsb) && |
483 | (UNIT(t)->fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
484 | continue; |
485 | ||
eeaafddc LP |
486 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
487 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
488 | ||
489 | if (special_t && !special_s) | |
490 | d = UNIT_AFTER; | |
491 | else if (special_s && !special_t) | |
492 | d = UNIT_BEFORE; | |
493 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
494 | d = UNIT_AFTER; |
495 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
496 | d = UNIT_BEFORE; | |
497 | else | |
498 | continue; | |
499 | ||
500 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
501 | ||
da19d5c1 | 502 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
503 | return r; |
504 | } | |
505 | ||
506 | return 0; | |
507 | } | |
508 | ||
509 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
510 | ExecCommand *c; | |
511 | ||
512 | if (!(c = new0(ExecCommand, 1))) | |
513 | return NULL; | |
514 | ||
515 | if (!(c->path = strdup(path))) { | |
516 | free(c); | |
517 | return NULL; | |
518 | } | |
519 | ||
520 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
521 | free(c->path); | |
522 | free(c); | |
523 | return NULL; | |
524 | } | |
525 | ||
526 | return c; | |
527 | } | |
528 | ||
37e2941d | 529 | static int sysv_exec_commands(Service *s, const bool supports_reload) { |
2c4104f0 LP |
530 | ExecCommand *c; |
531 | ||
532 | assert(s); | |
1b64d026 LP |
533 | assert(s->is_sysv); |
534 | assert(UNIT(s)->source_path); | |
2c4104f0 | 535 | |
1b64d026 LP |
536 | c = exec_command_new(UNIT(s)->source_path, "start"); |
537 | if (!c) | |
2c4104f0 LP |
538 | return -ENOMEM; |
539 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
540 | ||
1b64d026 LP |
541 | c = exec_command_new(UNIT(s)->source_path, "stop"); |
542 | if (!c) | |
2c4104f0 LP |
543 | return -ENOMEM; |
544 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
545 | ||
37e2941d MS |
546 | if (supports_reload) { |
547 | c = exec_command_new(UNIT(s)->source_path, "reload"); | |
548 | if (!c) | |
549 | return -ENOMEM; | |
550 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
551 | } | |
2c4104f0 LP |
552 | |
553 | return 0; | |
554 | } | |
555 | ||
37e2941d MS |
556 | static bool usage_contains_reload(const char *line) { |
557 | return (strcasestr(line, "{reload|") || | |
558 | strcasestr(line, "{reload}") || | |
559 | strcasestr(line, "{reload\"") || | |
560 | strcasestr(line, "|reload|") || | |
561 | strcasestr(line, "|reload}") || | |
562 | strcasestr(line, "|reload\"")); | |
563 | } | |
564 | ||
e537352b | 565 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
566 | FILE *f; |
567 | Unit *u; | |
568 | unsigned line = 0; | |
569 | int r; | |
570 | enum { | |
571 | NORMAL, | |
572 | DESCRIPTION, | |
573 | LSB, | |
37e2941d MS |
574 | LSB_DESCRIPTION, |
575 | USAGE_CONTINUATION | |
2c4104f0 | 576 | } state = NORMAL; |
0b5d26f9 | 577 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
5f4b19f4 | 578 | struct stat st; |
37e2941d | 579 | bool supports_reload = false; |
23a177ef LP |
580 | |
581 | assert(s); | |
582 | assert(path); | |
2c4104f0 LP |
583 | |
584 | u = UNIT(s); | |
585 | ||
1b64d026 LP |
586 | f = fopen(path, "re"); |
587 | if (!f) { | |
2c4104f0 LP |
588 | r = errno == ENOENT ? 0 : -errno; |
589 | goto finish; | |
590 | } | |
591 | ||
5f4b19f4 LP |
592 | if (fstat(fileno(f), &st) < 0) { |
593 | r = -errno; | |
594 | goto finish; | |
595 | } | |
596 | ||
1b64d026 LP |
597 | free(u->source_path); |
598 | u->source_path = strdup(path); | |
599 | if (!u->source_path) { | |
2c4104f0 LP |
600 | r = -ENOMEM; |
601 | goto finish; | |
602 | } | |
1b64d026 | 603 | u->source_mtime = timespec_load(&st.st_mtim); |
5f4b19f4 LP |
604 | |
605 | if (null_or_empty(&st)) { | |
ac155bb8 | 606 | u->load_state = UNIT_MASKED; |
5f4b19f4 LP |
607 | r = 0; |
608 | goto finish; | |
609 | } | |
610 | ||
1b64d026 LP |
611 | s->is_sysv = true; |
612 | ||
2c4104f0 LP |
613 | while (!feof(f)) { |
614 | char l[LINE_MAX], *t; | |
615 | ||
616 | if (!fgets(l, sizeof(l), f)) { | |
617 | if (feof(f)) | |
618 | break; | |
619 | ||
620 | r = -errno; | |
66870f90 ZJS |
621 | log_error_unit(u->id, |
622 | "Failed to read configuration file '%s': %s", | |
623 | path, strerror(-r)); | |
2c4104f0 LP |
624 | goto finish; |
625 | } | |
626 | ||
627 | line++; | |
628 | ||
629 | t = strstrip(l); | |
37e2941d MS |
630 | if (*t != '#') { |
631 | /* Try to figure out whether this init script supports | |
632 | * the reload operation. This heuristic looks for | |
633 | * "Usage" lines which include the reload option. */ | |
634 | if ( state == USAGE_CONTINUATION || | |
635 | (state == NORMAL && strcasestr(t, "usage"))) { | |
636 | if (usage_contains_reload(t)) { | |
637 | supports_reload = true; | |
638 | state = NORMAL; | |
639 | } else if (t[strlen(t)-1] == '\\') | |
640 | state = USAGE_CONTINUATION; | |
641 | else | |
642 | state = NORMAL; | |
643 | } | |
644 | ||
2c4104f0 | 645 | continue; |
37e2941d | 646 | } |
2c4104f0 LP |
647 | |
648 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
649 | state = LSB; | |
23a177ef | 650 | s->sysv_has_lsb = true; |
2c4104f0 LP |
651 | continue; |
652 | } | |
653 | ||
654 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
655 | state = NORMAL; | |
656 | continue; | |
657 | } | |
658 | ||
659 | t++; | |
660 | t += strspn(t, WHITESPACE); | |
661 | ||
662 | if (state == NORMAL) { | |
663 | ||
664 | /* Try to parse Red Hat style chkconfig headers */ | |
665 | ||
c2b35af6 | 666 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 667 | int start_priority; |
8309400a | 668 | char runlevels[16], *k; |
2c4104f0 LP |
669 | |
670 | state = NORMAL; | |
671 | ||
1c07b16c LP |
672 | if (sscanf(t+10, "%15s %i %*i", runlevels, &start_priority) != 2) { |
673 | log_warning_unit(u->id, "[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
2c4104f0 LP |
674 | continue; |
675 | } | |
676 | ||
fbe9f3a9 LP |
677 | /* A start priority gathered from the |
678 | * symlink farms is preferred over the | |
679 | * data from the LSB header. */ | |
8309400a | 680 | if (start_priority < 0 || start_priority > 99) |
1c07b16c | 681 | log_warning_unit(u->id, "[%s:%u] Start priority out of range. Ignoring.", path, line); |
ea87ca5a | 682 | else |
1c07b16c | 683 | log_debug_unit(u->id, "[%s:%u] Ignoring start priority set in the chkconfig file.", path, line); |
8309400a LP |
684 | |
685 | char_array_0(runlevels); | |
686 | k = delete_chars(runlevels, WHITESPACE "-"); | |
8309400a LP |
687 | if (k[0]) { |
688 | char *d; | |
689 | ||
1c07b16c LP |
690 | d = strdup(k); |
691 | if (!d) { | |
8309400a LP |
692 | r = -ENOMEM; |
693 | goto finish; | |
694 | } | |
695 | ||
696 | free(s->sysv_runlevels); | |
697 | s->sysv_runlevels = d; | |
2c4104f0 LP |
698 | } |
699 | ||
0b5d26f9 | 700 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
701 | |
702 | size_t k = strlen(t); | |
703 | char *d; | |
0b5d26f9 | 704 | const char *j; |
2c4104f0 LP |
705 | |
706 | if (t[k-1] == '\\') { | |
707 | state = DESCRIPTION; | |
708 | t[k-1] = 0; | |
709 | } | |
710 | ||
0b5d26f9 LP |
711 | if ((j = strstrip(t+12)) && *j) { |
712 | if (!(d = strdup(j))) { | |
713 | r = -ENOMEM; | |
714 | goto finish; | |
715 | } | |
716 | } else | |
717 | d = NULL; | |
2c4104f0 | 718 | |
0b5d26f9 LP |
719 | free(chkconfig_description); |
720 | chkconfig_description = d; | |
2c4104f0 | 721 | |
c2b35af6 | 722 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
723 | |
724 | char *fn; | |
725 | ||
726 | state = NORMAL; | |
727 | ||
728 | fn = strstrip(t+8); | |
729 | if (!path_is_absolute(fn)) { | |
66870f90 ZJS |
730 | log_warning_unit(u->id, |
731 | "[%s:%u] PID file not absolute. Ignoring.", | |
732 | path, line); | |
2c4104f0 LP |
733 | continue; |
734 | } | |
735 | ||
736 | if (!(fn = strdup(fn))) { | |
737 | r = -ENOMEM; | |
738 | goto finish; | |
739 | } | |
740 | ||
741 | free(s->pid_file); | |
742 | s->pid_file = fn; | |
743 | } | |
744 | ||
745 | } else if (state == DESCRIPTION) { | |
746 | ||
747 | /* Try to parse Red Hat style description | |
748 | * continuation */ | |
749 | ||
750 | size_t k = strlen(t); | |
0b5d26f9 | 751 | char *j; |
2c4104f0 LP |
752 | |
753 | if (t[k-1] == '\\') | |
754 | t[k-1] = 0; | |
755 | else | |
756 | state = NORMAL; | |
757 | ||
0b5d26f9 LP |
758 | if ((j = strstrip(t)) && *j) { |
759 | char *d = NULL; | |
760 | ||
761 | if (chkconfig_description) | |
b7def684 | 762 | d = strjoin(chkconfig_description, " ", j, NULL); |
0b5d26f9 LP |
763 | else |
764 | d = strdup(j); | |
2c4104f0 | 765 | |
0b5d26f9 LP |
766 | if (!d) { |
767 | r = -ENOMEM; | |
768 | goto finish; | |
769 | } | |
770 | ||
771 | free(chkconfig_description); | |
772 | chkconfig_description = d; | |
773 | } | |
2c4104f0 LP |
774 | |
775 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
776 | ||
c2b35af6 | 777 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
778 | char *i, *w; |
779 | size_t z; | |
780 | ||
781 | state = LSB; | |
782 | ||
f60f22df | 783 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
784 | char *n, *m; |
785 | ||
786 | if (!(n = strndup(w, z))) { | |
787 | r = -ENOMEM; | |
788 | goto finish; | |
789 | } | |
790 | ||
2b6bf07d | 791 | r = sysv_translate_facility(n, basename(path), &m); |
2c4104f0 LP |
792 | free(n); |
793 | ||
794 | if (r < 0) | |
795 | goto finish; | |
796 | ||
797 | if (r == 0) | |
798 | continue; | |
799 | ||
bd77d0fc | 800 | if (unit_name_to_type(m) == UNIT_SERVICE) |
ce2c2265 | 801 | r = unit_merge_by_name(u, m); |
9700edb4 LP |
802 | else |
803 | /* NB: SysV targets | |
804 | * which are provided | |
805 | * by a service are | |
806 | * pulled in by the | |
807 | * services, as an | |
808 | * indication that the | |
809 | * generic service is | |
810 | * now available. This | |
811 | * is strictly | |
812 | * one-way. The | |
813 | * targets do NOT pull | |
814 | * in the SysV | |
815 | * services! */ | |
816 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true); | |
bd77d0fc | 817 | |
2c4104f0 | 818 | if (r < 0) |
66870f90 ZJS |
819 | log_error_unit(u->id, |
820 | "[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", | |
821 | path, line, m, strerror(-r)); | |
42a097a2 LP |
822 | |
823 | free(m); | |
2c4104f0 LP |
824 | } |
825 | ||
c2b35af6 LP |
826 | } else if (startswith_no_case(t, "Required-Start:") || |
827 | startswith_no_case(t, "Should-Start:") || | |
828 | startswith_no_case(t, "X-Start-Before:") || | |
829 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
830 | char *i, *w; |
831 | size_t z; | |
832 | ||
833 | state = LSB; | |
834 | ||
f60f22df | 835 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 | 836 | char *n, *m; |
e30bb6b5 | 837 | bool is_before; |
2c4104f0 LP |
838 | |
839 | if (!(n = strndup(w, z))) { | |
840 | r = -ENOMEM; | |
841 | goto finish; | |
842 | } | |
843 | ||
2b6bf07d | 844 | r = sysv_translate_facility(n, basename(path), &m); |
e83c7c0b | 845 | if (r < 0) { |
66870f90 ZJS |
846 | log_error_unit(u->id, |
847 | "[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", | |
848 | path, line, n, strerror(-r)); | |
e83c7c0b LP |
849 | free(n); |
850 | continue; | |
851 | } | |
852 | ||
853 | free(n); | |
2c4104f0 LP |
854 | |
855 | if (r == 0) | |
856 | continue; | |
857 | ||
e30bb6b5 TG |
858 | is_before = startswith_no_case(t, "X-Start-Before:"); |
859 | ||
860 | if (streq(m, SPECIAL_NETWORK_ONLINE_TARGET) && !is_before) | |
0404c609 TG |
861 | /* the network-online target is special, as it needs to be actively pulled in */ |
862 | r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_WANTS, m, NULL, true); | |
863 | else | |
e30bb6b5 | 864 | r = unit_add_dependency_by_name(u, is_before ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
865 | |
866 | if (r < 0) | |
66870f90 ZJS |
867 | log_error_unit(u->id, "[%s:%u] Failed to add dependency on %s, ignoring: %s", |
868 | path, line, m, strerror(-r)); | |
42a097a2 LP |
869 | |
870 | free(m); | |
2c4104f0 | 871 | } |
c2b35af6 | 872 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
873 | char *k, *d; |
874 | ||
875 | state = LSB; | |
876 | ||
877 | k = delete_chars(t+14, WHITESPACE "-"); | |
878 | ||
879 | if (k[0] != 0) { | |
880 | if (!(d = strdup(k))) { | |
881 | r = -ENOMEM; | |
882 | goto finish; | |
883 | } | |
884 | ||
885 | free(s->sysv_runlevels); | |
886 | s->sysv_runlevels = d; | |
887 | } | |
2c4104f0 | 888 | |
0b5d26f9 LP |
889 | } else if (startswith_no_case(t, "Description:")) { |
890 | char *d, *j; | |
ed4c1cc6 | 891 | |
2c4104f0 LP |
892 | state = LSB_DESCRIPTION; |
893 | ||
0b5d26f9 LP |
894 | if ((j = strstrip(t+12)) && *j) { |
895 | if (!(d = strdup(j))) { | |
896 | r = -ENOMEM; | |
897 | goto finish; | |
898 | } | |
899 | } else | |
900 | d = NULL; | |
2c4104f0 | 901 | |
0b5d26f9 LP |
902 | free(long_description); |
903 | long_description = d; | |
2c4104f0 | 904 | |
ed4c1cc6 | 905 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 906 | char *d, *j; |
2c4104f0 | 907 | |
2c4104f0 LP |
908 | state = LSB; |
909 | ||
0b5d26f9 LP |
910 | if ((j = strstrip(t+18)) && *j) { |
911 | if (!(d = strdup(j))) { | |
912 | r = -ENOMEM; | |
913 | goto finish; | |
914 | } | |
915 | } else | |
916 | d = NULL; | |
2c4104f0 | 917 | |
0b5d26f9 LP |
918 | free(short_description); |
919 | short_description = d; | |
2c4104f0 LP |
920 | |
921 | } else if (state == LSB_DESCRIPTION) { | |
922 | ||
923 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 924 | char *j; |
2c4104f0 | 925 | |
0b5d26f9 LP |
926 | if ((j = strstrip(t)) && *j) { |
927 | char *d = NULL; | |
928 | ||
929 | if (long_description) | |
b7def684 | 930 | d = strjoin(long_description, " ", t, NULL); |
0b5d26f9 LP |
931 | else |
932 | d = strdup(j); | |
933 | ||
934 | if (!d) { | |
935 | r = -ENOMEM; | |
936 | goto finish; | |
937 | } | |
938 | ||
939 | free(long_description); | |
940 | long_description = d; | |
2c4104f0 LP |
941 | } |
942 | ||
2c4104f0 LP |
943 | } else |
944 | state = LSB; | |
945 | } | |
946 | } | |
947 | } | |
948 | ||
37e2941d | 949 | if ((r = sysv_exec_commands(s, supports_reload)) < 0) |
2c4104f0 LP |
950 | goto finish; |
951 | ||
a40eb732 | 952 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
953 | /* If there a runlevels configured for this service |
954 | * but none of the standard ones, then we assume this | |
955 | * is some special kind of service (which might be | |
956 | * needed for early boot) and don't create any links | |
957 | * to it. */ | |
958 | ||
1124fe6f | 959 | UNIT(s)->default_dependencies = false; |
09cd1ab1 | 960 | |
09cd1ab1 | 961 | /* Don't timeout special services during boot (like fsck) */ |
d568a335 MS |
962 | s->timeout_start_usec = 0; |
963 | s->timeout_stop_usec = 0; | |
964 | } else { | |
965 | s->timeout_start_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
966 | s->timeout_stop_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
967 | } | |
968 | ||
80876c20 | 969 | /* Special setting for all SysV services */ |
1f48cf56 | 970 | s->type = SERVICE_FORKING; |
f8788303 | 971 | s->remain_after_exit = !s->pid_file; |
1835f23c | 972 | s->guess_main_pid = false; |
525ee6f4 | 973 | s->restart = SERVICE_RESTART_NO; |
353e12c2 | 974 | s->exec_context.ignore_sigpipe = false; |
4819ff03 | 975 | s->kill_context.kill_mode = KILL_PROCESS; |
80876c20 | 976 | |
0b5d26f9 LP |
977 | /* We use the long description only if |
978 | * no short description is set. */ | |
979 | ||
980 | if (short_description) | |
981 | description = short_description; | |
982 | else if (chkconfig_description) | |
983 | description = chkconfig_description; | |
984 | else if (long_description) | |
985 | description = long_description; | |
986 | else | |
987 | description = NULL; | |
988 | ||
989 | if (description) { | |
990 | char *d; | |
991 | ||
e527618d | 992 | if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) { |
0b5d26f9 LP |
993 | r = -ENOMEM; |
994 | goto finish; | |
995 | } | |
996 | ||
ac155bb8 | 997 | u->description = d; |
0b5d26f9 LP |
998 | } |
999 | ||
1c07b16c LP |
1000 | /* Initialize the start priority from what has been set in the |
1001 | * /etc/rcN.d/ hierarchies if we load the unit file as SysV | |
1002 | * init script. */ | |
ea87ca5a LP |
1003 | if (s->sysv_start_priority_from_rcnd >= 0) |
1004 | s->sysv_start_priority = s->sysv_start_priority_from_rcnd; | |
1005 | ||
ac155bb8 | 1006 | u->load_state = UNIT_LOADED; |
23a177ef | 1007 | r = 0; |
2c4104f0 LP |
1008 | |
1009 | finish: | |
1010 | ||
1011 | if (f) | |
1012 | fclose(f); | |
1013 | ||
0b5d26f9 LP |
1014 | free(short_description); |
1015 | free(long_description); | |
1016 | free(chkconfig_description); | |
1017 | ||
2c4104f0 LP |
1018 | return r; |
1019 | } | |
1020 | ||
e537352b | 1021 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
1022 | char **p; |
1023 | ||
1024 | assert(s); | |
1025 | assert(name); | |
1026 | ||
c2756a68 | 1027 | /* For SysV services we strip the *.sh suffixes. */ |
3f95f83c | 1028 | if (endswith(name, ".sh.service")) |
d017c6ca LP |
1029 | return -ENOENT; |
1030 | ||
1124fe6f | 1031 | STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
1032 | char *path; |
1033 | int r; | |
1034 | ||
b7def684 | 1035 | path = strjoin(*p, "/", name, NULL); |
44d91056 | 1036 | if (!path) |
2c4104f0 LP |
1037 | return -ENOMEM; |
1038 | ||
1039 | assert(endswith(path, ".service")); | |
1040 | path[strlen(path)-8] = 0; | |
1041 | ||
e537352b | 1042 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 1043 | |
1124fe6f | 1044 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
20771ae3 | 1045 | /* Try *.sh source'able init scripts */ |
fbe9f3a9 LP |
1046 | strcat(path, ".sh"); |
1047 | r = service_load_sysv_path(s, path); | |
1048 | } | |
2c4104f0 LP |
1049 | free(path); |
1050 | ||
23a177ef | 1051 | if (r < 0) |
2c4104f0 | 1052 | return r; |
23a177ef | 1053 | |
88516c0c | 1054 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef | 1055 | break; |
2c4104f0 LP |
1056 | } |
1057 | ||
1058 | return 0; | |
1059 | } | |
1060 | ||
e537352b | 1061 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
1062 | const char *t; |
1063 | Iterator i; | |
1064 | int r; | |
1065 | ||
5cb5a6ff LP |
1066 | assert(s); |
1067 | ||
1068 | /* Load service data from SysV init scripts, preferably with | |
1069 | * LSB headers ... */ | |
1070 | ||
1124fe6f | 1071 | if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
1072 | return 0; |
1073 | ||
1124fe6f | 1074 | if ((t = UNIT(s)->id)) |
e537352b | 1075 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
1076 | return r; |
1077 | ||
1124fe6f MS |
1078 | if (UNIT(s)->load_state == UNIT_STUB) |
1079 | SET_FOREACH(t, UNIT(s)->names, i) { | |
1080 | if (t == UNIT(s)->id) | |
e537352b LP |
1081 | continue; |
1082 | ||
e364ad06 | 1083 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
1084 | return r; |
1085 | ||
1124fe6f | 1086 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef LP |
1087 | break; |
1088 | } | |
2c4104f0 LP |
1089 | |
1090 | return 0; | |
5cb5a6ff | 1091 | } |
07459bb6 | 1092 | #endif |
5cb5a6ff | 1093 | |
243b1432 LP |
1094 | static int service_verify(Service *s) { |
1095 | assert(s); | |
1096 | ||
1124fe6f | 1097 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
1098 | return 0; |
1099 | ||
1100 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
ebc2259d | 1101 | log_error_unit(UNIT(s)->id, "%s lacks ExecStart setting. Refusing.", UNIT(s)->id); |
243b1432 LP |
1102 | return -EINVAL; |
1103 | } | |
1104 | ||
34e9ba66 LP |
1105 | if (s->type != SERVICE_ONESHOT && |
1106 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
ebc2259d | 1107 | log_error_unit(UNIT(s)->id, "%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
6cf6bbc2 LP |
1108 | return -EINVAL; |
1109 | } | |
1110 | ||
b0693d30 | 1111 | if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) { |
ebc2259d | 1112 | log_error_unit(UNIT(s)->id, "%s has Restart setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
b0693d30 MW |
1113 | return -EINVAL; |
1114 | } | |
1115 | ||
05e343b7 | 1116 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
ebc2259d | 1117 | log_error_unit(UNIT(s)->id, "%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id); |
4d0e5dbd LP |
1118 | return -EINVAL; |
1119 | } | |
1120 | ||
7e2668c6 | 1121 | if (s->bus_name && s->type != SERVICE_DBUS) |
ebc2259d | 1122 | log_warning_unit(UNIT(s)->id, "%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id); |
7e2668c6 | 1123 | |
ebc2259d LP |
1124 | if (s->exec_context.pam_name && !(s->kill_context.kill_mode == KILL_CONTROL_GROUP || s->kill_context.kill_mode == KILL_MIXED)) { |
1125 | log_error_unit(UNIT(s)->id, "%s has PAM enabled. Kill mode must be set to 'control-group' or 'mixed'. Refusing.", UNIT(s)->id); | |
05e343b7 LP |
1126 | return -EINVAL; |
1127 | } | |
1128 | ||
243b1432 LP |
1129 | return 0; |
1130 | } | |
1131 | ||
a40eb732 LP |
1132 | static int service_add_default_dependencies(Service *s) { |
1133 | int r; | |
1134 | ||
1135 | assert(s); | |
1136 | ||
1137 | /* Add a number of automatic dependencies useful for the | |
1138 | * majority of services. */ | |
1139 | ||
1140 | /* First, pull in base system */ | |
fccd44ec KS |
1141 | r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, |
1142 | SPECIAL_BASIC_TARGET, NULL, true); | |
1143 | if (r < 0) | |
1144 | return r; | |
a40eb732 LP |
1145 | |
1146 | /* Second, activate normal shutdown */ | |
117dcc57 ZJS |
1147 | r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, |
1148 | SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
1149 | return r; | |
a40eb732 LP |
1150 | } |
1151 | ||
4dfc092a LP |
1152 | static void service_fix_output(Service *s) { |
1153 | assert(s); | |
1154 | ||
1155 | /* If nothing has been explicitly configured, patch default | |
1156 | * output in. If input is socket/tty we avoid this however, | |
1157 | * since in that case we want output to default to the same | |
1158 | * place as we read input from. */ | |
1159 | ||
1160 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
1161 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1162 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1163 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
1164 | |
1165 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1166 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1167 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
1168 | } |
1169 | ||
e537352b LP |
1170 | static int service_load(Unit *u) { |
1171 | int r; | |
1172 | Service *s = SERVICE(u); | |
1173 | ||
1174 | assert(s); | |
1e2e8133 | 1175 | |
5cb5a6ff | 1176 | /* Load a .service file */ |
c2756a68 LP |
1177 | r = unit_load_fragment(u); |
1178 | if (r < 0) | |
5cb5a6ff LP |
1179 | return r; |
1180 | ||
07459bb6 | 1181 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1182 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
c2756a68 LP |
1183 | if (u->load_state == UNIT_STUB) { |
1184 | r = service_load_sysv(s); | |
1185 | if (r < 0) | |
23a177ef | 1186 | return r; |
c2756a68 | 1187 | } |
07459bb6 | 1188 | #endif |
d46de8a1 | 1189 | |
23a177ef | 1190 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 1191 | if (u->load_state == UNIT_STUB) |
23a177ef | 1192 | return -ENOENT; |
034c6ed7 | 1193 | |
23a177ef | 1194 | /* This is a new unit? Then let's add in some extras */ |
ac155bb8 | 1195 | if (u->load_state == UNIT_LOADED) { |
c2756a68 LP |
1196 | |
1197 | /* We were able to load something, then let's add in | |
1198 | * the dropin directories. */ | |
1199 | r = unit_load_dropin(u); | |
1200 | if (r < 0) | |
1201 | return r; | |
1202 | ||
0b86feac LP |
1203 | if (s->type == _SERVICE_TYPE_INVALID) |
1204 | s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; | |
1205 | ||
d568a335 MS |
1206 | /* Oneshot services have disabled start timeout by default */ |
1207 | if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined) | |
1208 | s->timeout_start_usec = 0; | |
98709151 | 1209 | |
4e2b0f9b LP |
1210 | service_fix_output(s); |
1211 | ||
598459ce LP |
1212 | r = unit_patch_contexts(u); |
1213 | if (r < 0) | |
1214 | return r; | |
1215 | ||
117dcc57 ZJS |
1216 | r = unit_add_exec_dependencies(u, &s->exec_context); |
1217 | if (r < 0) | |
23a177ef LP |
1218 | return r; |
1219 | ||
598459ce | 1220 | r = unit_add_default_slice(u, &s->cgroup_context); |
a016b922 LP |
1221 | if (r < 0) |
1222 | return r; | |
1223 | ||
07459bb6 | 1224 | #ifdef HAVE_SYSV_COMPAT |
117dcc57 ZJS |
1225 | r = sysv_fix_order(s); |
1226 | if (r < 0) | |
23a177ef | 1227 | return r; |
07459bb6 | 1228 | #endif |
05e343b7 | 1229 | |
c952c6ec LP |
1230 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) |
1231 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 | 1232 | |
02c4ef9c LP |
1233 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) |
1234 | s->notify_access = NOTIFY_MAIN; | |
1235 | ||
598459ce LP |
1236 | if (s->bus_name) { |
1237 | r = unit_watch_bus_name(u, s->bus_name); | |
117dcc57 | 1238 | if (r < 0) |
a40eb732 | 1239 | return r; |
117dcc57 | 1240 | } |
e06c73cc | 1241 | |
598459ce LP |
1242 | if (u->default_dependencies) { |
1243 | r = service_add_default_dependencies(s); | |
1244 | if (r < 0) | |
1245 | return r; | |
1246 | } | |
8e274523 LP |
1247 | } |
1248 | ||
243b1432 | 1249 | return service_verify(s); |
034c6ed7 LP |
1250 | } |
1251 | ||
87f0e418 | 1252 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1253 | |
5cb5a6ff | 1254 | ServiceExecCommand c; |
87f0e418 | 1255 | Service *s = SERVICE(u); |
47be870b | 1256 | const char *prefix2; |
7fd1b19b | 1257 | _cleanup_free_ char *p2 = NULL; |
5cb5a6ff LP |
1258 | |
1259 | assert(s); | |
1260 | ||
47be870b LP |
1261 | p2 = strappend(prefix, "\t"); |
1262 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1263 | |
5cb5a6ff | 1264 | fprintf(f, |
81a2b7ce | 1265 | "%sService State: %s\n" |
f42806df LP |
1266 | "%sResult: %s\n" |
1267 | "%sReload Result: %s\n" | |
81a2b7ce | 1268 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 1269 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1270 | "%sRemainAfterExit: %s\n" |
3185a36b | 1271 | "%sGuessMainPID: %s\n" |
c952c6ec | 1272 | "%sType: %s\n" |
2cf3143a | 1273 | "%sRestart: %s\n" |
c952c6ec | 1274 | "%sNotifyAccess: %s\n", |
81a2b7ce | 1275 | prefix, service_state_to_string(s->state), |
f42806df LP |
1276 | prefix, service_result_to_string(s->result), |
1277 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 1278 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 1279 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1280 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 1281 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 1282 | prefix, service_type_to_string(s->type), |
2cf3143a | 1283 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1284 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1285 | |
70123e68 LP |
1286 | if (s->control_pid > 0) |
1287 | fprintf(f, | |
ccd06097 ZJS |
1288 | "%sControl PID: "PID_FMT"\n", |
1289 | prefix, s->control_pid); | |
70123e68 LP |
1290 | |
1291 | if (s->main_pid > 0) | |
1292 | fprintf(f, | |
ccd06097 | 1293 | "%sMain PID: "PID_FMT"\n" |
6dfa5494 LP |
1294 | "%sMain PID Known: %s\n" |
1295 | "%sMain PID Alien: %s\n", | |
ccd06097 | 1296 | prefix, s->main_pid, |
6dfa5494 LP |
1297 | prefix, yes_no(s->main_pid_known), |
1298 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 1299 | |
034c6ed7 LP |
1300 | if (s->pid_file) |
1301 | fprintf(f, | |
1302 | "%sPIDFile: %s\n", | |
1303 | prefix, s->pid_file); | |
1304 | ||
05e343b7 LP |
1305 | if (s->bus_name) |
1306 | fprintf(f, | |
1307 | "%sBusName: %s\n" | |
1308 | "%sBus Name Good: %s\n", | |
1309 | prefix, s->bus_name, | |
1310 | prefix, yes_no(s->bus_name_good)); | |
1311 | ||
4819ff03 | 1312 | kill_context_dump(&s->kill_context, f, prefix); |
5cb5a6ff LP |
1313 | exec_context_dump(&s->exec_context, f, prefix); |
1314 | ||
e537352b | 1315 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1316 | |
44d8db9e LP |
1317 | if (!s->exec_command[c]) |
1318 | continue; | |
1319 | ||
40d50879 | 1320 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1321 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1322 | |
1323 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1324 | } |
44d8db9e | 1325 | |
07459bb6 | 1326 | #ifdef HAVE_SYSV_COMPAT |
1b64d026 | 1327 | if (s->is_sysv) |
2c4104f0 | 1328 | fprintf(f, |
9fff8a1f LP |
1329 | "%sSysV Init Script has LSB Header: %s\n" |
1330 | "%sSysVEnabled: %s\n", | |
9fff8a1f LP |
1331 | prefix, yes_no(s->sysv_has_lsb), |
1332 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1333 | |
1334 | if (s->sysv_start_priority >= 0) | |
1335 | fprintf(f, | |
9fff8a1f LP |
1336 | "%sSysVStartPriority: %i\n", |
1337 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1338 | |
8309400a LP |
1339 | if (s->sysv_runlevels) |
1340 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1341 | prefix, s->sysv_runlevels); | |
07459bb6 | 1342 | #endif |
23a177ef | 1343 | |
8c47c732 LP |
1344 | if (s->status_text) |
1345 | fprintf(f, "%sStatus Text: %s\n", | |
1346 | prefix, s->status_text); | |
5cb5a6ff LP |
1347 | } |
1348 | ||
c5419d42 | 1349 | static int service_load_pid_file(Service *s, bool may_warn) { |
7fd1b19b | 1350 | _cleanup_free_ char *k = NULL; |
034c6ed7 | 1351 | int r; |
5925dd3c | 1352 | pid_t pid; |
034c6ed7 LP |
1353 | |
1354 | assert(s); | |
1355 | ||
034c6ed7 | 1356 | if (!s->pid_file) |
13230d5d | 1357 | return -ENOENT; |
034c6ed7 | 1358 | |
117dcc57 ZJS |
1359 | r = read_one_line_file(s->pid_file, &k); |
1360 | if (r < 0) { | |
c5419d42 | 1361 | if (may_warn) |
66870f90 ZJS |
1362 | log_info_unit(UNIT(s)->id, |
1363 | "PID file %s not readable (yet?) after %s.", | |
1364 | s->pid_file, service_state_to_string(s->state)); | |
034c6ed7 | 1365 | return r; |
5375410b | 1366 | } |
034c6ed7 | 1367 | |
5925dd3c | 1368 | r = parse_pid(k, &pid); |
bc41f93e ZJS |
1369 | if (r < 0) { |
1370 | if (may_warn) | |
1371 | log_info_unit(UNIT(s)->id, | |
1372 | "Failed to read PID from file %s: %s", | |
1373 | s->pid_file, strerror(-r)); | |
5925dd3c | 1374 | return r; |
bc41f93e | 1375 | } |
406eaf93 | 1376 | |
9f5650ae | 1377 | if (!pid_is_alive(pid)) { |
c5419d42 | 1378 | if (may_warn) |
9f5650ae | 1379 | log_info_unit(UNIT(s)->id, "PID "PID_FMT" read from file %s does not exist or is a zombie.", pid, s->pid_file); |
b8c597d5 | 1380 | |
e10c9985 YS |
1381 | return -ESRCH; |
1382 | } | |
1383 | ||
db01f8b3 MS |
1384 | if (s->main_pid_known) { |
1385 | if (pid == s->main_pid) | |
1386 | return 0; | |
1387 | ||
66870f90 | 1388 | log_debug_unit(UNIT(s)->id, |
ccd06097 ZJS |
1389 | "Main PID changing: "PID_FMT" -> "PID_FMT, |
1390 | s->main_pid, pid); | |
db01f8b3 MS |
1391 | service_unwatch_main_pid(s); |
1392 | s->main_pid_known = false; | |
3a111838 | 1393 | } else |
66870f90 | 1394 | log_debug_unit(UNIT(s)->id, |
ccd06097 | 1395 | "Main PID loaded: "PID_FMT, pid); |
db01f8b3 | 1396 | |
117dcc57 ZJS |
1397 | r = service_set_main_pid(s, pid); |
1398 | if (r < 0) | |
16f6025e LP |
1399 | return r; |
1400 | ||
117dcc57 | 1401 | r = unit_watch_pid(UNIT(s), pid); |
bc41f93e | 1402 | if (r < 0) { |
5925dd3c | 1403 | /* FIXME: we need to do something here */ |
bc41f93e | 1404 | log_warning_unit(UNIT(s)->id, |
ccd06097 ZJS |
1405 | "Failed to watch PID "PID_FMT" from service %s", |
1406 | pid, UNIT(s)->id); | |
5925dd3c | 1407 | return r; |
bc41f93e | 1408 | } |
034c6ed7 LP |
1409 | |
1410 | return 0; | |
1411 | } | |
1412 | ||
4fbf50b3 LP |
1413 | static int service_search_main_pid(Service *s) { |
1414 | pid_t pid; | |
1415 | int r; | |
1416 | ||
1417 | assert(s); | |
1418 | ||
3185a36b LP |
1419 | /* If we know it anyway, don't ever fallback to unreliable |
1420 | * heuristics */ | |
4fbf50b3 LP |
1421 | if (s->main_pid_known) |
1422 | return 0; | |
1423 | ||
3185a36b LP |
1424 | if (!s->guess_main_pid) |
1425 | return 0; | |
1426 | ||
4fbf50b3 LP |
1427 | assert(s->main_pid <= 0); |
1428 | ||
4ad49000 | 1429 | pid = unit_search_main_pid(UNIT(s)); |
117dcc57 | 1430 | if (pid <= 0) |
4fbf50b3 LP |
1431 | return -ENOENT; |
1432 | ||
66870f90 | 1433 | log_debug_unit(UNIT(s)->id, |
ccd06097 | 1434 | "Main PID guessed: "PID_FMT, pid); |
117dcc57 ZJS |
1435 | r = service_set_main_pid(s, pid); |
1436 | if (r < 0) | |
4fbf50b3 LP |
1437 | return r; |
1438 | ||
117dcc57 ZJS |
1439 | r = unit_watch_pid(UNIT(s), pid); |
1440 | if (r < 0) | |
4fbf50b3 | 1441 | /* FIXME: we need to do something here */ |
a827e373 | 1442 | log_warning_unit(UNIT(s)->id, |
ccd06097 ZJS |
1443 | "Failed to watch PID "PID_FMT" from service %s", |
1444 | pid, UNIT(s)->id); | |
bdd13f6b | 1445 | return r; |
4fbf50b3 LP |
1446 | } |
1447 | ||
034c6ed7 LP |
1448 | static void service_set_state(Service *s, ServiceState state) { |
1449 | ServiceState old_state; | |
e056b01d | 1450 | const UnitActiveState *table; |
842129f5 | 1451 | |
5cb5a6ff LP |
1452 | assert(s); |
1453 | ||
e056b01d LP |
1454 | table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
1455 | ||
034c6ed7 | 1456 | old_state = s->state; |
5cb5a6ff | 1457 | s->state = state; |
034c6ed7 | 1458 | |
3a111838 MS |
1459 | service_unwatch_pid_file(s); |
1460 | ||
842129f5 LP |
1461 | if (!IN_SET(state, |
1462 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
1463 | SERVICE_RELOAD, | |
bf108e55 LP |
1464 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, |
1465 | SERVICE_STOP_POST, | |
842129f5 LP |
1466 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL, |
1467 | SERVICE_AUTO_RESTART)) | |
718db961 | 1468 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
034c6ed7 | 1469 | |
842129f5 LP |
1470 | if (!IN_SET(state, |
1471 | SERVICE_START, SERVICE_START_POST, | |
1472 | SERVICE_RUNNING, SERVICE_RELOAD, | |
bf108e55 LP |
1473 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, |
1474 | SERVICE_STOP_POST, | |
1475 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { | |
5e94833f | 1476 | service_unwatch_main_pid(s); |
867b3b7d LP |
1477 | s->main_command = NULL; |
1478 | } | |
034c6ed7 | 1479 | |
842129f5 LP |
1480 | if (!IN_SET(state, |
1481 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
1482 | SERVICE_RELOAD, | |
bf108e55 LP |
1483 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, |
1484 | SERVICE_STOP_POST, | |
842129f5 | 1485 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { |
5e94833f | 1486 | service_unwatch_control_pid(s); |
034c6ed7 | 1487 | s->control_command = NULL; |
a16e1123 | 1488 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1489 | } |
034c6ed7 | 1490 | |
a911bb9a LP |
1491 | if (IN_SET(state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART)) |
1492 | unit_unwatch_all_pids(UNIT(s)); | |
1493 | ||
842129f5 LP |
1494 | if (!IN_SET(state, |
1495 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
1496 | SERVICE_RUNNING, SERVICE_RELOAD, | |
1497 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, SERVICE_STOP_POST, | |
1498 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL) && | |
1124fe6f | 1499 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 1500 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1501 | service_connection_unref(s); |
1502 | } | |
4f2d528d | 1503 | |
7596e9e1 | 1504 | if (!IN_SET(state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) |
a6927d7f MO |
1505 | service_stop_watchdog(s); |
1506 | ||
f6023656 LP |
1507 | /* For the inactive states unit_notify() will trim the cgroup, |
1508 | * but for exit we have to do that ourselves... */ | |
1124fe6f | 1509 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
4ad49000 | 1510 | unit_destroy_cgroup(UNIT(s)); |
f6023656 | 1511 | |
9cd86184 OB |
1512 | /* For remain_after_exit services, let's see if we can "release" the |
1513 | * hold on the console, since unit_notify() only does that in case of | |
1514 | * change of state */ | |
1515 | if (state == SERVICE_EXITED && s->remain_after_exit && | |
1516 | UNIT(s)->manager->n_on_console > 0) { | |
1517 | ExecContext *ec = unit_get_exec_context(UNIT(s)); | |
1518 | if (ec && exec_context_may_touch_console(ec)) { | |
1519 | Manager *m = UNIT(s)->manager; | |
1520 | ||
1521 | m->n_on_console --; | |
1522 | if (m->n_on_console == 0) | |
1523 | /* unset no_console_output flag, since the console is free */ | |
1524 | m->no_console_output = false; | |
1525 | } | |
1526 | } | |
1527 | ||
e537352b | 1528 | if (old_state != state) |
842129f5 | 1529 | log_debug_unit(UNIT(s)->id, "%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 1530 | |
e056b01d | 1531 | unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); |
f42806df | 1532 | s->reload_result = SERVICE_SUCCESS; |
034c6ed7 LP |
1533 | } |
1534 | ||
a16e1123 LP |
1535 | static int service_coldplug(Unit *u) { |
1536 | Service *s = SERVICE(u); | |
1537 | int r; | |
1538 | ||
1539 | assert(s); | |
1540 | assert(s->state == SERVICE_DEAD); | |
1541 | ||
1542 | if (s->deserialized_state != s->state) { | |
1543 | ||
bf108e55 LP |
1544 | if (IN_SET(s->deserialized_state, |
1545 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
1546 | SERVICE_RELOAD, | |
1547 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, | |
1548 | SERVICE_STOP_POST, | |
1549 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { | |
92c1622e LP |
1550 | |
1551 | usec_t k; | |
6c12b52e | 1552 | |
bf108e55 | 1553 | k = IN_SET(s->deserialized_state, SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, SERVICE_RELOAD) ? s->timeout_start_usec : s->timeout_stop_usec; |
e558336f | 1554 | |
92c1622e LP |
1555 | /* For the start/stop timeouts 0 means off */ |
1556 | if (k > 0) { | |
1557 | r = service_arm_timer(s, k); | |
36697dc0 | 1558 | if (r < 0) |
e558336f LP |
1559 | return r; |
1560 | } | |
1561 | } | |
a16e1123 | 1562 | |
92c1622e LP |
1563 | if (s->deserialized_state == SERVICE_AUTO_RESTART) { |
1564 | ||
1565 | /* The restart timeouts 0 means immediately */ | |
1566 | r = service_arm_timer(s, s->restart_usec); | |
1567 | if (r < 0) | |
1568 | return r; | |
1569 | } | |
1570 | ||
9f5650ae | 1571 | if (pid_is_unwaited(s->main_pid) && |
bf108e55 LP |
1572 | ((s->deserialized_state == SERVICE_START && IN_SET(s->type, SERVICE_FORKING, SERVICE_DBUS, SERVICE_ONESHOT, SERVICE_NOTIFY)) || |
1573 | IN_SET(s->deserialized_state, | |
1574 | SERVICE_START, SERVICE_START_POST, | |
1575 | SERVICE_RUNNING, SERVICE_RELOAD, | |
1576 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, | |
1577 | SERVICE_STOP_POST, | |
1578 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL))) { | |
1579 | r = unit_watch_pid(UNIT(s), s->main_pid); | |
1580 | if (r < 0) | |
1581 | return r; | |
1582 | } | |
a16e1123 | 1583 | |
9f5650ae | 1584 | if (pid_is_unwaited(s->control_pid) && |
bf108e55 LP |
1585 | IN_SET(s->deserialized_state, |
1586 | SERVICE_START_PRE, SERVICE_START, SERVICE_START_POST, | |
1587 | SERVICE_RELOAD, | |
1588 | SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL, | |
1589 | SERVICE_STOP_POST, | |
1590 | SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL)) { | |
1591 | r = unit_watch_pid(UNIT(s), s->control_pid); | |
1592 | if (r < 0) | |
1593 | return r; | |
1594 | } | |
a16e1123 | 1595 | |
a911bb9a LP |
1596 | if (!IN_SET(s->deserialized_state, SERVICE_DEAD, SERVICE_FAILED, SERVICE_AUTO_RESTART)) |
1597 | unit_watch_all_pids(UNIT(s)); | |
1598 | ||
842129f5 LP |
1599 | if (IN_SET(s->deserialized_state, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) |
1600 | service_start_watchdog(s); | |
bb242b7b | 1601 | |
a16e1123 LP |
1602 | service_set_state(s, s->deserialized_state); |
1603 | } | |
92c1622e | 1604 | |
a16e1123 LP |
1605 | return 0; |
1606 | } | |
1607 | ||
44d8db9e LP |
1608 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1609 | Iterator i; | |
1610 | int r; | |
1611 | int *rfds = NULL; | |
1612 | unsigned rn_fds = 0; | |
57020a3a | 1613 | Unit *u; |
44d8db9e LP |
1614 | |
1615 | assert(s); | |
1616 | assert(fds); | |
1617 | assert(n_fds); | |
1618 | ||
6cf6bbc2 LP |
1619 | if (s->socket_fd >= 0) |
1620 | return 0; | |
1621 | ||
1124fe6f | 1622 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
44d8db9e LP |
1623 | int *cfds; |
1624 | unsigned cn_fds; | |
57020a3a LP |
1625 | Socket *sock; |
1626 | ||
ac155bb8 | 1627 | if (u->type != UNIT_SOCKET) |
57020a3a LP |
1628 | continue; |
1629 | ||
1630 | sock = SOCKET(u); | |
44d8db9e | 1631 | |
117dcc57 ZJS |
1632 | r = socket_collect_fds(sock, &cfds, &cn_fds); |
1633 | if (r < 0) | |
44d8db9e LP |
1634 | goto fail; |
1635 | ||
1636 | if (!cfds) | |
1637 | continue; | |
1638 | ||
1639 | if (!rfds) { | |
1640 | rfds = cfds; | |
1641 | rn_fds = cn_fds; | |
1642 | } else { | |
1643 | int *t; | |
1644 | ||
117dcc57 ZJS |
1645 | t = new(int, rn_fds+cn_fds); |
1646 | if (!t) { | |
44d8db9e LP |
1647 | free(cfds); |
1648 | r = -ENOMEM; | |
1649 | goto fail; | |
1650 | } | |
1651 | ||
9c1b183c LP |
1652 | memcpy(t, rfds, rn_fds * sizeof(int)); |
1653 | memcpy(t+rn_fds, cfds, cn_fds * sizeof(int)); | |
44d8db9e LP |
1654 | free(rfds); |
1655 | free(cfds); | |
1656 | ||
1657 | rfds = t; | |
1658 | rn_fds = rn_fds+cn_fds; | |
1659 | } | |
1660 | } | |
1661 | ||
1662 | *fds = rfds; | |
1663 | *n_fds = rn_fds; | |
3e33402a | 1664 | |
44d8db9e LP |
1665 | return 0; |
1666 | ||
1667 | fail: | |
1668 | free(rfds); | |
3e33402a | 1669 | |
44d8db9e LP |
1670 | return r; |
1671 | } | |
1672 | ||
81a2b7ce LP |
1673 | static int service_spawn( |
1674 | Service *s, | |
1675 | ExecCommand *c, | |
1676 | bool timeout, | |
1677 | bool pass_fds, | |
1678 | bool apply_permissions, | |
1679 | bool apply_chroot, | |
1e3ad081 | 1680 | bool apply_tty_stdin, |
c952c6ec | 1681 | bool set_notify_socket, |
ecedd90f | 1682 | bool is_control, |
81a2b7ce LP |
1683 | pid_t *_pid) { |
1684 | ||
034c6ed7 LP |
1685 | pid_t pid; |
1686 | int r; | |
117dcc57 | 1687 | int *fds = NULL; |
7fd1b19b | 1688 | _cleanup_free_ int *fdsbuf = NULL; |
2105e76a | 1689 | unsigned n_fds = 0, n_env = 0; |
7fd1b19b | 1690 | _cleanup_strv_free_ char |
117dcc57 | 1691 | **argv = NULL, **final_env = NULL, **our_env = NULL; |
4ad49000 | 1692 | const char *path; |
034c6ed7 LP |
1693 | |
1694 | assert(s); | |
1695 | assert(c); | |
1696 | assert(_pid); | |
1697 | ||
4ad49000 LP |
1698 | unit_realize_cgroup(UNIT(s)); |
1699 | ||
613b411c LP |
1700 | r = unit_setup_exec_runtime(UNIT(s)); |
1701 | if (r < 0) | |
1702 | goto fail; | |
1703 | ||
6cf6bbc2 LP |
1704 | if (pass_fds || |
1705 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1706 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1707 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1708 | ||
4f2d528d LP |
1709 | if (s->socket_fd >= 0) { |
1710 | fds = &s->socket_fd; | |
1711 | n_fds = 1; | |
6cf6bbc2 | 1712 | } else { |
117dcc57 ZJS |
1713 | r = service_collect_fds(s, &fdsbuf, &n_fds); |
1714 | if (r < 0) | |
6cf6bbc2 LP |
1715 | goto fail; |
1716 | ||
1717 | fds = fdsbuf; | |
1718 | } | |
4f2d528d | 1719 | } |
44d8db9e | 1720 | |
92c1622e LP |
1721 | if (timeout && s->timeout_start_usec > 0) { |
1722 | r = service_arm_timer(s, s->timeout_start_usec); | |
1723 | if (r < 0) | |
1724 | goto fail; | |
1725 | } else | |
1726 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); | |
034c6ed7 | 1727 | |
19f6d710 LP |
1728 | r = unit_full_printf_strv(UNIT(s), c->argv, &argv); |
1729 | if (r < 0) | |
9e2f7c11 | 1730 | goto fail; |
9e2f7c11 | 1731 | |
09812eb7 | 1732 | our_env = new0(char*, 4); |
97ae63e2 | 1733 | if (!our_env) { |
2105e76a LP |
1734 | r = -ENOMEM; |
1735 | goto fail; | |
1736 | } | |
c952c6ec | 1737 | |
2105e76a | 1738 | if (set_notify_socket) |
1124fe6f | 1739 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1740 | r = -ENOMEM; |
1741 | goto fail; | |
1742 | } | |
1743 | ||
2105e76a | 1744 | if (s->main_pid > 0) |
ccd06097 | 1745 | if (asprintf(our_env + n_env++, "MAINPID="PID_FMT, s->main_pid) < 0) { |
c952c6ec LP |
1746 | r = -ENOMEM; |
1747 | goto fail; | |
1748 | } | |
2105e76a | 1749 | |
4ad49000 | 1750 | if (UNIT(s)->manager->running_as != SYSTEMD_SYSTEM) |
ccd06097 | 1751 | if (asprintf(our_env + n_env++, "MANAGERPID="PID_FMT, getpid()) < 0) { |
97ae63e2 LP |
1752 | r = -ENOMEM; |
1753 | goto fail; | |
1754 | } | |
1755 | ||
1756 | final_env = strv_env_merge(2, UNIT(s)->manager->environment, our_env, NULL); | |
1757 | if (!final_env) { | |
2105e76a LP |
1758 | r = -ENOMEM; |
1759 | goto fail; | |
1760 | } | |
c952c6ec | 1761 | |
4ad49000 LP |
1762 | if (is_control && UNIT(s)->cgroup_path) { |
1763 | path = strappenda(UNIT(s)->cgroup_path, "/control"); | |
1764 | cg_create(SYSTEMD_CGROUP_CONTROLLER, path); | |
1765 | } else | |
1766 | path = UNIT(s)->cgroup_path; | |
1767 | ||
9e2f7c11 LP |
1768 | r = exec_spawn(c, |
1769 | argv, | |
1770 | &s->exec_context, | |
1771 | fds, n_fds, | |
2105e76a | 1772 | final_env, |
9e2f7c11 LP |
1773 | apply_permissions, |
1774 | apply_chroot, | |
1e3ad081 | 1775 | apply_tty_stdin, |
1124fe6f | 1776 | UNIT(s)->manager->confirm_spawn, |
13b84ec7 | 1777 | UNIT(s)->manager->cgroup_supported, |
4ad49000 | 1778 | path, |
e66cf1a3 | 1779 | manager_get_runtime_prefix(UNIT(s)->manager), |
62bca2c6 | 1780 | UNIT(s)->id, |
09812eb7 | 1781 | s->watchdog_usec, |
f2b68789 | 1782 | s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, |
613b411c | 1783 | s->exec_runtime, |
9e2f7c11 | 1784 | &pid); |
9e2f7c11 | 1785 | if (r < 0) |
034c6ed7 LP |
1786 | goto fail; |
1787 | ||
117dcc57 ZJS |
1788 | r = unit_watch_pid(UNIT(s), pid); |
1789 | if (r < 0) | |
034c6ed7 LP |
1790 | /* FIXME: we need to do something here */ |
1791 | goto fail; | |
1792 | ||
1793 | *_pid = pid; | |
1794 | ||
5cb5a6ff | 1795 | return 0; |
034c6ed7 LP |
1796 | |
1797 | fail: | |
1798 | if (timeout) | |
718db961 | 1799 | s->timer_event_source = sd_event_source_unref(s->timer_event_source); |
034c6ed7 LP |
1800 | |
1801 | return r; | |
1802 | } | |
1803 | ||
80876c20 LP |
1804 | static int main_pid_good(Service *s) { |
1805 | assert(s); | |
1806 | ||
1807 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1808 | * don't know */ | |
1809 | ||
1810 | /* If we know the pid file, then lets just check if it is | |
1811 | * still valid */ | |
6dfa5494 LP |
1812 | if (s->main_pid_known) { |
1813 | ||
1814 | /* If it's an alien child let's check if it is still | |
1815 | * alive ... */ | |
62220cf7 | 1816 | if (s->main_pid_alien && s->main_pid > 0) |
9f5650ae | 1817 | return pid_is_alive(s->main_pid); |
6dfa5494 LP |
1818 | |
1819 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1820 | * which we really should wait for to collect exit | |
1821 | * status and code */ | |
80876c20 | 1822 | return s->main_pid > 0; |
6dfa5494 | 1823 | } |
80876c20 LP |
1824 | |
1825 | /* We don't know the pid */ | |
1826 | return -EAGAIN; | |
1827 | } | |
1828 | ||
44a6b1b6 | 1829 | _pure_ static int control_pid_good(Service *s) { |
80876c20 LP |
1830 | assert(s); |
1831 | ||
1832 | return s->control_pid > 0; | |
1833 | } | |
1834 | ||
1835 | static int cgroup_good(Service *s) { | |
1836 | int r; | |
1837 | ||
1838 | assert(s); | |
1839 | ||
4ad49000 LP |
1840 | if (!UNIT(s)->cgroup_path) |
1841 | return 0; | |
1842 | ||
1843 | r = cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, UNIT(s)->cgroup_path, true); | |
117dcc57 | 1844 | if (r < 0) |
80876c20 LP |
1845 | return r; |
1846 | ||
1847 | return !r; | |
1848 | } | |
1849 | ||
bf500566 | 1850 | static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none); |
93ae25e6 | 1851 | |
f42806df | 1852 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1853 | int r; |
1854 | assert(s); | |
1855 | ||
f42806df LP |
1856 | if (f != SERVICE_SUCCESS) |
1857 | s->result = f; | |
034c6ed7 | 1858 | |
0c7f15b3 MS |
1859 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
1860 | ||
93ae25e6 MO |
1861 | if (s->result != SERVICE_SUCCESS) |
1862 | service_execute_action(s, s->failure_action, "failed", false); | |
1863 | ||
034c6ed7 | 1864 | if (allow_restart && |
47342320 | 1865 | !s->forbid_restart && |
034c6ed7 | 1866 | (s->restart == SERVICE_RESTART_ALWAYS || |
f42806df LP |
1867 | (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || |
1868 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || | |
dc99a976 | 1869 | (s->restart == SERVICE_RESTART_ON_WATCHDOG && s->result == SERVICE_FAILURE_WATCHDOG) || |
f42806df | 1870 | (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || |
96342de6 LN |
1871 | s->result == SERVICE_FAILURE_CORE_DUMP))) && |
1872 | (s->result != SERVICE_FAILURE_EXIT_CODE || | |
1873 | !set_contains(s->restart_ignore_status.code, INT_TO_PTR(s->main_exec_status.status))) && | |
1874 | (s->result != SERVICE_FAILURE_SIGNAL || | |
718db961 | 1875 | !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status)))) { |
034c6ed7 | 1876 | |
718db961 | 1877 | r = service_arm_timer(s, s->restart_usec); |
f42806df | 1878 | if (r < 0) |
034c6ed7 LP |
1879 | goto fail; |
1880 | ||
1881 | service_set_state(s, SERVICE_AUTO_RESTART); | |
0c7f15b3 | 1882 | } |
034c6ed7 | 1883 | |
47342320 LP |
1884 | s->forbid_restart = false; |
1885 | ||
e66cf1a3 | 1886 | /* We want fresh tmpdirs in case service is started again immediately */ |
613b411c LP |
1887 | exec_runtime_destroy(s->exec_runtime); |
1888 | s->exec_runtime = exec_runtime_unref(s->exec_runtime); | |
c17ec25e | 1889 | |
e66cf1a3 LP |
1890 | /* Also, remove the runtime directory in */ |
1891 | exec_context_destroy_runtime_directory(&s->exec_context, manager_get_runtime_prefix(UNIT(s)->manager)); | |
1892 | ||
9285c9ff LN |
1893 | /* Try to delete the pid file. At this point it will be |
1894 | * out-of-date, and some software might be confused by it, so | |
1895 | * let's remove it. */ | |
1896 | if (s->pid_file) | |
1897 | unlink_noerrno(s->pid_file); | |
1898 | ||
034c6ed7 LP |
1899 | return; |
1900 | ||
1901 | fail: | |
66870f90 ZJS |
1902 | log_warning_unit(UNIT(s)->id, |
1903 | "%s failed to run install restart timer: %s", | |
1904 | UNIT(s)->id, strerror(-r)); | |
f42806df | 1905 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1906 | } |
1907 | ||
f42806df | 1908 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1909 | int r; |
1910 | assert(s); | |
1911 | ||
f42806df LP |
1912 | if (f != SERVICE_SUCCESS) |
1913 | s->result = f; | |
034c6ed7 | 1914 | |
5e94833f | 1915 | service_unwatch_control_pid(s); |
a911bb9a | 1916 | unit_watch_all_pids(UNIT(s)); |
5e94833f | 1917 | |
117dcc57 ZJS |
1918 | s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST]; |
1919 | if (s->control_command) { | |
867b3b7d LP |
1920 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1921 | ||
ecedd90f LP |
1922 | r = service_spawn(s, |
1923 | s->control_command, | |
1924 | true, | |
1925 | false, | |
1926 | !s->permissions_start_only, | |
1927 | !s->root_directory_start_only, | |
1928 | true, | |
1929 | false, | |
1930 | true, | |
1931 | &s->control_pid); | |
1932 | if (r < 0) | |
034c6ed7 LP |
1933 | goto fail; |
1934 | ||
80876c20 LP |
1935 | service_set_state(s, SERVICE_STOP_POST); |
1936 | } else | |
ac84d1fb | 1937 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1938 | |
1939 | return; | |
1940 | ||
1941 | fail: | |
66870f90 ZJS |
1942 | log_warning_unit(UNIT(s)->id, |
1943 | "%s failed to run 'stop-post' task: %s", | |
1944 | UNIT(s)->id, strerror(-r)); | |
f42806df | 1945 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1946 | } |
1947 | ||
f42806df | 1948 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1949 | int r; |
034c6ed7 LP |
1950 | |
1951 | assert(s); | |
1952 | ||
f42806df LP |
1953 | if (f != SERVICE_SUCCESS) |
1954 | s->result = f; | |
034c6ed7 | 1955 | |
a911bb9a LP |
1956 | unit_watch_all_pids(UNIT(s)); |
1957 | ||
cd2086fe LP |
1958 | r = unit_kill_context( |
1959 | UNIT(s), | |
1960 | &s->kill_context, | |
1961 | state != SERVICE_STOP_SIGTERM && state != SERVICE_FINAL_SIGTERM, | |
1962 | s->main_pid, | |
1963 | s->control_pid, | |
1964 | s->main_pid_alien); | |
ac84d1fb | 1965 | |
cd2086fe LP |
1966 | if (r < 0) |
1967 | goto fail; | |
034c6ed7 | 1968 | |
cd2086fe | 1969 | if (r > 0) { |
d568a335 | 1970 | if (s->timeout_stop_usec > 0) { |
718db961 | 1971 | r = service_arm_timer(s, s->timeout_stop_usec); |
d568a335 | 1972 | if (r < 0) |
e558336f | 1973 | goto fail; |
d568a335 | 1974 | } |
d6ea93e3 | 1975 | |
80876c20 | 1976 | service_set_state(s, state); |
ac84d1fb LP |
1977 | } else if (state == SERVICE_STOP_SIGTERM) |
1978 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_SUCCESS); | |
1979 | else if (state == SERVICE_STOP_SIGKILL) | |
f42806df | 1980 | service_enter_stop_post(s, SERVICE_SUCCESS); |
ac84d1fb LP |
1981 | else if (state == SERVICE_FINAL_SIGTERM) |
1982 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_SUCCESS); | |
80876c20 | 1983 | else |
f42806df | 1984 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
1985 | |
1986 | return; | |
1987 | ||
1988 | fail: | |
66870f90 ZJS |
1989 | log_warning_unit(UNIT(s)->id, |
1990 | "%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); | |
034c6ed7 | 1991 | |
80876c20 | 1992 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
f42806df | 1993 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 1994 | else |
f42806df | 1995 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
1996 | } |
1997 | ||
f42806df | 1998 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 1999 | int r; |
5925dd3c | 2000 | |
034c6ed7 LP |
2001 | assert(s); |
2002 | ||
f42806df LP |
2003 | if (f != SERVICE_SUCCESS) |
2004 | s->result = f; | |
034c6ed7 | 2005 | |
5e94833f | 2006 | service_unwatch_control_pid(s); |
a911bb9a | 2007 | unit_watch_all_pids(UNIT(s)); |
5e94833f | 2008 | |
117dcc57 ZJS |
2009 | s->control_command = s->exec_command[SERVICE_EXEC_STOP]; |
2010 | if (s->control_command) { | |
867b3b7d LP |
2011 | s->control_command_id = SERVICE_EXEC_STOP; |
2012 | ||
ecedd90f LP |
2013 | r = service_spawn(s, |
2014 | s->control_command, | |
2015 | true, | |
2016 | false, | |
2017 | !s->permissions_start_only, | |
2018 | !s->root_directory_start_only, | |
2019 | false, | |
2020 | false, | |
2021 | true, | |
2022 | &s->control_pid); | |
2023 | if (r < 0) | |
034c6ed7 LP |
2024 | goto fail; |
2025 | ||
80876c20 LP |
2026 | service_set_state(s, SERVICE_STOP); |
2027 | } else | |
f42806df | 2028 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
2029 | |
2030 | return; | |
2031 | ||
2032 | fail: | |
66870f90 ZJS |
2033 | log_warning_unit(UNIT(s)->id, |
2034 | "%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); | |
f42806df | 2035 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2036 | } |
2037 | ||
f42806df | 2038 | static void service_enter_running(Service *s, ServiceResult f) { |
4eab639f | 2039 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
2040 | assert(s); |
2041 | ||
f42806df LP |
2042 | if (f != SERVICE_SUCCESS) |
2043 | s->result = f; | |
80876c20 | 2044 | |
4eab639f LP |
2045 | main_pid_ok = main_pid_good(s); |
2046 | cgroup_ok = cgroup_good(s); | |
2047 | ||
2048 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 2049 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 2050 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 2051 | else if (s->remain_after_exit) |
80876c20 LP |
2052 | service_set_state(s, SERVICE_EXITED); |
2053 | else | |
f42806df | 2054 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
2055 | } |
2056 | ||
034c6ed7 LP |
2057 | static void service_enter_start_post(Service *s) { |
2058 | int r; | |
2059 | assert(s); | |
2060 | ||
5e94833f | 2061 | service_unwatch_control_pid(s); |
842129f5 | 2062 | service_reset_watchdog(s); |
bb242b7b | 2063 | |
117dcc57 ZJS |
2064 | s->control_command = s->exec_command[SERVICE_EXEC_START_POST]; |
2065 | if (s->control_command) { | |
867b3b7d LP |
2066 | s->control_command_id = SERVICE_EXEC_START_POST; |
2067 | ||
ecedd90f LP |
2068 | r = service_spawn(s, |
2069 | s->control_command, | |
2070 | true, | |
2071 | false, | |
2072 | !s->permissions_start_only, | |
2073 | !s->root_directory_start_only, | |
2074 | false, | |
2075 | false, | |
2076 | true, | |
2077 | &s->control_pid); | |
2078 | if (r < 0) | |
034c6ed7 LP |
2079 | goto fail; |
2080 | ||
80876c20 LP |
2081 | service_set_state(s, SERVICE_START_POST); |
2082 | } else | |
f42806df | 2083 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2084 | |
2085 | return; | |
2086 | ||
2087 | fail: | |
66870f90 ZJS |
2088 | log_warning_unit(UNIT(s)->id, |
2089 | "%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); | |
f42806df | 2090 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2091 | } |
2092 | ||
4ad49000 LP |
2093 | static void service_kill_control_processes(Service *s) { |
2094 | char *p; | |
2095 | ||
2096 | if (!UNIT(s)->cgroup_path) | |
2097 | return; | |
2098 | ||
2099 | p = strappenda(UNIT(s)->cgroup_path, "/control"); | |
4ad49000 LP |
2100 | cg_kill_recursive(SYSTEMD_CGROUP_CONTROLLER, p, SIGKILL, true, true, true, NULL); |
2101 | } | |
2102 | ||
034c6ed7 | 2103 | static void service_enter_start(Service *s) { |
4ad49000 | 2104 | ExecCommand *c; |
034c6ed7 LP |
2105 | pid_t pid; |
2106 | int r; | |
2107 | ||
2108 | assert(s); | |
2109 | ||
2110 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 2111 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 2112 | |
41efeaec LP |
2113 | service_unwatch_control_pid(s); |
2114 | service_unwatch_main_pid(s); | |
80876c20 | 2115 | |
8f53a7b8 LP |
2116 | /* We want to ensure that nobody leaks processes from |
2117 | * START_PRE here, so let's go on a killing spree, People | |
2118 | * should not spawn long running processes from START_PRE. */ | |
4ad49000 | 2119 | service_kill_control_processes(s); |
8f53a7b8 | 2120 | |
867b3b7d LP |
2121 | if (s->type == SERVICE_FORKING) { |
2122 | s->control_command_id = SERVICE_EXEC_START; | |
2123 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
2124 | ||
2125 | s->main_command = NULL; | |
2126 | } else { | |
2127 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2128 | s->control_command = NULL; | |
2129 | ||
2130 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
2131 | } | |
34e9ba66 | 2132 | |
ecedd90f LP |
2133 | r = service_spawn(s, |
2134 | c, | |
117dcc57 ZJS |
2135 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || |
2136 | s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT, | |
ecedd90f LP |
2137 | true, |
2138 | true, | |
2139 | true, | |
2140 | true, | |
2141 | s->notify_access != NOTIFY_NONE, | |
2142 | false, | |
2143 | &pid); | |
2144 | if (r < 0) | |
034c6ed7 LP |
2145 | goto fail; |
2146 | ||
f2b68789 | 2147 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
2148 | /* For simple services we immediately start |
2149 | * the START_POST binaries. */ | |
2150 | ||
5925dd3c | 2151 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2152 | service_enter_start_post(s); |
2153 | ||
2154 | } else if (s->type == SERVICE_FORKING) { | |
2155 | ||
2156 | /* For forking services we wait until the start | |
2157 | * process exited. */ | |
2158 | ||
e55224ca | 2159 | s->control_pid = pid; |
80876c20 LP |
2160 | service_set_state(s, SERVICE_START); |
2161 | ||
34e9ba66 | 2162 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2163 | s->type == SERVICE_DBUS || |
2164 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2165 | |
34e9ba66 | 2166 | /* For oneshot services we wait until the start |
7d55e835 LP |
2167 | * process exited, too, but it is our main process. */ |
2168 | ||
05e343b7 | 2169 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2170 | * but wait for the bus name to appear on the |
2171 | * bus. Notify services are similar. */ | |
05e343b7 | 2172 | |
5925dd3c | 2173 | service_set_main_pid(s, pid); |
80876c20 | 2174 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2175 | } else |
2176 | assert_not_reached("Unknown service type"); | |
2177 | ||
2178 | return; | |
2179 | ||
2180 | fail: | |
66870f90 ZJS |
2181 | log_warning_unit(UNIT(s)->id, |
2182 | "%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); | |
f42806df | 2183 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2184 | } |
2185 | ||
2186 | static void service_enter_start_pre(Service *s) { | |
2187 | int r; | |
2188 | ||
2189 | assert(s); | |
2190 | ||
5e94833f LP |
2191 | service_unwatch_control_pid(s); |
2192 | ||
117dcc57 ZJS |
2193 | s->control_command = s->exec_command[SERVICE_EXEC_START_PRE]; |
2194 | if (s->control_command) { | |
8f53a7b8 LP |
2195 | /* Before we start anything, let's clear up what might |
2196 | * be left from previous runs. */ | |
4ad49000 | 2197 | service_kill_control_processes(s); |
8f53a7b8 | 2198 | |
867b3b7d LP |
2199 | s->control_command_id = SERVICE_EXEC_START_PRE; |
2200 | ||
ecedd90f LP |
2201 | r = service_spawn(s, |
2202 | s->control_command, | |
2203 | true, | |
2204 | false, | |
2205 | !s->permissions_start_only, | |
2206 | !s->root_directory_start_only, | |
2207 | true, | |
2208 | false, | |
2209 | true, | |
2210 | &s->control_pid); | |
2211 | if (r < 0) | |
034c6ed7 LP |
2212 | goto fail; |
2213 | ||
80876c20 LP |
2214 | service_set_state(s, SERVICE_START_PRE); |
2215 | } else | |
034c6ed7 LP |
2216 | service_enter_start(s); |
2217 | ||
2218 | return; | |
2219 | ||
2220 | fail: | |
66870f90 ZJS |
2221 | log_warning_unit(UNIT(s)->id, |
2222 | "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); | |
f42806df | 2223 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
2224 | } |
2225 | ||
2226 | static void service_enter_restart(Service *s) { | |
718db961 | 2227 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
034c6ed7 | 2228 | int r; |
398ef8ba | 2229 | |
034c6ed7 LP |
2230 | assert(s); |
2231 | ||
a8bb2e65 LP |
2232 | if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) { |
2233 | /* Don't restart things if we are going down anyway */ | |
66870f90 ZJS |
2234 | log_info_unit(UNIT(s)->id, |
2235 | "Stop job pending for unit, delaying automatic restart."); | |
2edfa366 | 2236 | |
718db961 | 2237 | r = service_arm_timer(s, s->restart_usec); |
a8bb2e65 | 2238 | if (r < 0) |
2edfa366 | 2239 | goto fail; |
feae8adb DW |
2240 | |
2241 | return; | |
2edfa366 LP |
2242 | } |
2243 | ||
48bb5876 DW |
2244 | /* Any units that are bound to this service must also be |
2245 | * restarted. We use JOB_RESTART (instead of the more obvious | |
2246 | * JOB_START) here so that those dependency jobs will be added | |
2247 | * as well. */ | |
2248 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
2249 | if (r < 0) | |
034c6ed7 LP |
2250 | goto fail; |
2251 | ||
a8bb2e65 LP |
2252 | /* Note that we stay in the SERVICE_AUTO_RESTART state here, |
2253 | * it will be canceled as part of the service_stop() call that | |
2254 | * is executed as part of JOB_RESTART. */ | |
2255 | ||
66870f90 ZJS |
2256 | log_debug_unit(UNIT(s)->id, |
2257 | "%s scheduled restart job.", UNIT(s)->id); | |
034c6ed7 LP |
2258 | return; |
2259 | ||
2260 | fail: | |
66870f90 ZJS |
2261 | log_warning_unit(UNIT(s)->id, |
2262 | "%s failed to schedule restart job: %s", | |
718db961 | 2263 | UNIT(s)->id, bus_error_message(&error, -r)); |
f42806df | 2264 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
2265 | } |
2266 | ||
2267 | static void service_enter_reload(Service *s) { | |
2268 | int r; | |
2269 | ||
2270 | assert(s); | |
2271 | ||
5e94833f LP |
2272 | service_unwatch_control_pid(s); |
2273 | ||
117dcc57 ZJS |
2274 | s->control_command = s->exec_command[SERVICE_EXEC_RELOAD]; |
2275 | if (s->control_command) { | |
867b3b7d LP |
2276 | s->control_command_id = SERVICE_EXEC_RELOAD; |
2277 | ||
ecedd90f LP |
2278 | r = service_spawn(s, |
2279 | s->control_command, | |
2280 | true, | |
2281 | false, | |
2282 | !s->permissions_start_only, | |
2283 | !s->root_directory_start_only, | |
2284 | false, | |
2285 | false, | |
2286 | true, | |
2287 | &s->control_pid); | |
2288 | if (r < 0) | |
034c6ed7 LP |
2289 | goto fail; |
2290 | ||
80876c20 LP |
2291 | service_set_state(s, SERVICE_RELOAD); |
2292 | } else | |
f42806df | 2293 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2294 | |
2295 | return; | |
2296 | ||
2297 | fail: | |
66870f90 ZJS |
2298 | log_warning_unit(UNIT(s)->id, |
2299 | "%s failed to run 'reload' task: %s", | |
2300 | UNIT(s)->id, strerror(-r)); | |
f42806df LP |
2301 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2302 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2303 | } |
2304 | ||
f42806df | 2305 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
2306 | int r; |
2307 | ||
2308 | assert(s); | |
2309 | assert(s->control_command); | |
2310 | assert(s->control_command->command_next); | |
2311 | ||
34e9ba66 | 2312 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2313 | |
34e9ba66 | 2314 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2315 | service_unwatch_control_pid(s); |
2316 | ||
ecedd90f LP |
2317 | r = service_spawn(s, |
2318 | s->control_command, | |
2319 | true, | |
2320 | false, | |
2321 | !s->permissions_start_only, | |
2322 | !s->root_directory_start_only, | |
2323 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
2324 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
2325 | false, | |
2326 | true, | |
2327 | &s->control_pid); | |
2328 | if (r < 0) | |
034c6ed7 LP |
2329 | goto fail; |
2330 | ||
2331 | return; | |
2332 | ||
2333 | fail: | |
66870f90 ZJS |
2334 | log_warning_unit(UNIT(s)->id, |
2335 | "%s failed to run next control task: %s", | |
2336 | UNIT(s)->id, strerror(-r)); | |
034c6ed7 | 2337 | |
80876c20 | 2338 | if (s->state == SERVICE_START_PRE) |
f42806df | 2339 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 2340 | else if (s->state == SERVICE_STOP) |
f42806df | 2341 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2342 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 2343 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 2344 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
2345 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2346 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 2347 | } else |
f42806df | 2348 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
2349 | } |
2350 | ||
f42806df | 2351 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
2352 | pid_t pid; |
2353 | int r; | |
2354 | ||
2355 | assert(s); | |
867b3b7d LP |
2356 | assert(s->main_command); |
2357 | assert(s->main_command->command_next); | |
2358 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 2359 | |
867b3b7d | 2360 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
2361 | service_unwatch_main_pid(s); |
2362 | ||
ecedd90f LP |
2363 | r = service_spawn(s, |
2364 | s->main_command, | |
98709151 | 2365 | true, |
ecedd90f LP |
2366 | true, |
2367 | true, | |
2368 | true, | |
2369 | true, | |
2370 | s->notify_access != NOTIFY_NONE, | |
2371 | false, | |
2372 | &pid); | |
2373 | if (r < 0) | |
34e9ba66 LP |
2374 | goto fail; |
2375 | ||
2376 | service_set_main_pid(s, pid); | |
2377 | ||
2378 | return; | |
2379 | ||
2380 | fail: | |
66870f90 ZJS |
2381 | log_warning_unit(UNIT(s)->id, |
2382 | "%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); | |
f42806df | 2383 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
2384 | } |
2385 | ||
bf500566 | 2386 | static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none) { |
4b939747 MO |
2387 | assert(s); |
2388 | ||
bf500566 MO |
2389 | if (action == SERVICE_FAILURE_ACTION_REBOOT || |
2390 | action == SERVICE_FAILURE_ACTION_REBOOT_FORCE) | |
efe6e7d3 MO |
2391 | update_reboot_param_file(s->reboot_arg); |
2392 | ||
93ae25e6 | 2393 | switch (action) { |
4b939747 | 2394 | |
bf500566 | 2395 | case SERVICE_FAILURE_ACTION_NONE: |
93ae25e6 MO |
2396 | if (log_action_none) |
2397 | log_warning_unit(UNIT(s)->id, | |
2398 | "%s %s, refusing to start.", UNIT(s)->id, reason); | |
4b939747 MO |
2399 | break; |
2400 | ||
bf500566 | 2401 | case SERVICE_FAILURE_ACTION_REBOOT: { |
718db961 | 2402 | _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
4b939747 MO |
2403 | int r; |
2404 | ||
66870f90 | 2405 | log_warning_unit(UNIT(s)->id, |
93ae25e6 | 2406 | "%s %s, rebooting.", UNIT(s)->id, reason); |
4b939747 | 2407 | |
117dcc57 ZJS |
2408 | r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, |
2409 | SPECIAL_REBOOT_TARGET, JOB_REPLACE, | |
2410 | true, &error, NULL); | |
718db961 | 2411 | if (r < 0) |
66870f90 | 2412 | log_error_unit(UNIT(s)->id, |
718db961 | 2413 | "Failed to reboot: %s.", bus_error_message(&error, r)); |
4b939747 MO |
2414 | |
2415 | break; | |
2416 | } | |
2417 | ||
bf500566 | 2418 | case SERVICE_FAILURE_ACTION_REBOOT_FORCE: |
66870f90 | 2419 | log_warning_unit(UNIT(s)->id, |
93ae25e6 | 2420 | "%s %s, forcibly rebooting.", UNIT(s)->id, reason); |
4b939747 MO |
2421 | UNIT(s)->manager->exit_code = MANAGER_REBOOT; |
2422 | break; | |
2423 | ||
bf500566 | 2424 | case SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE: |
66870f90 | 2425 | log_warning_unit(UNIT(s)->id, |
93ae25e6 | 2426 | "%s %s, rebooting immediately.", UNIT(s)->id, reason); |
0049f05a | 2427 | sync(); |
efe6e7d3 MO |
2428 | if (s->reboot_arg) { |
2429 | log_info("Rebooting with argument '%s'.", s->reboot_arg); | |
2430 | syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, | |
2431 | LINUX_REBOOT_CMD_RESTART2, s->reboot_arg); | |
2432 | } | |
2433 | ||
2434 | log_info("Rebooting."); | |
4b939747 MO |
2435 | reboot(RB_AUTOBOOT); |
2436 | break; | |
2437 | ||
2438 | default: | |
66870f90 | 2439 | log_error_unit(UNIT(s)->id, |
bf500566 MO |
2440 | "failure action=%i", action); |
2441 | assert_not_reached("Unknown FailureAction."); | |
4b939747 MO |
2442 | } |
2443 | ||
2444 | return -ECANCELED; | |
2445 | } | |
2446 | ||
93ae25e6 MO |
2447 | static int service_start_limit_test(Service *s) { |
2448 | assert(s); | |
2449 | ||
2450 | if (ratelimit_test(&s->start_limit)) | |
2451 | return 0; | |
2452 | ||
2453 | return service_execute_action(s, s->start_limit_action, "start request repeated too quickly", true); | |
2454 | } | |
2455 | ||
87f0e418 LP |
2456 | static int service_start(Unit *u) { |
2457 | Service *s = SERVICE(u); | |
4b939747 | 2458 | int r; |
5cb5a6ff LP |
2459 | |
2460 | assert(s); | |
2461 | ||
034c6ed7 LP |
2462 | /* We cannot fulfill this request right now, try again later |
2463 | * please! */ | |
2464 | if (s->state == SERVICE_STOP || | |
2465 | s->state == SERVICE_STOP_SIGTERM || | |
2466 | s->state == SERVICE_STOP_SIGKILL || | |
2467 | s->state == SERVICE_STOP_POST || | |
2468 | s->state == SERVICE_FINAL_SIGTERM || | |
2469 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2470 | return -EAGAIN; |
2471 | ||
034c6ed7 LP |
2472 | /* Already on it! */ |
2473 | if (s->state == SERVICE_START_PRE || | |
2474 | s->state == SERVICE_START || | |
2475 | s->state == SERVICE_START_POST) | |
2476 | return 0; | |
2477 | ||
2e9d6c12 | 2478 | /* A service that will be restarted must be stopped first to |
7f2cddae | 2479 | * trigger BindsTo and/or OnFailure dependencies. If a user |
2e9d6c12 | 2480 | * does not want to wait for the holdoff time to elapse, the |
d4943dc7 LP |
2481 | * service should be manually restarted, not started. We |
2482 | * simply return EAGAIN here, so that any start jobs stay | |
2483 | * queued, and assume that the auto restart timer will | |
2484 | * eventually trigger the restart. */ | |
2485 | if (s->state == SERVICE_AUTO_RESTART) | |
a8bb2e65 | 2486 | return -EAGAIN; |
2e9d6c12 DW |
2487 | |
2488 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED); | |
5cb5a6ff | 2489 | |
1e2e8133 | 2490 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 2491 | r = service_start_limit_test(s); |
c2f34808 | 2492 | if (r < 0) { |
8d1b002a | 2493 | service_enter_dead(s, SERVICE_FAILURE_START_LIMIT, false); |
4b939747 | 2494 | return r; |
c2f34808 | 2495 | } |
1e2e8133 | 2496 | |
f42806df LP |
2497 | s->result = SERVICE_SUCCESS; |
2498 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 2499 | s->main_pid_known = false; |
6dfa5494 | 2500 | s->main_pid_alien = false; |
47342320 | 2501 | s->forbid_restart = false; |
034c6ed7 LP |
2502 | |
2503 | service_enter_start_pre(s); | |
2504 | return 0; | |
5cb5a6ff LP |
2505 | } |
2506 | ||
87f0e418 LP |
2507 | static int service_stop(Unit *u) { |
2508 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2509 | |
2510 | assert(s); | |
2511 | ||
f0c7b229 | 2512 | /* Don't create restart jobs from here. */ |
47342320 | 2513 | s->forbid_restart = true; |
034c6ed7 | 2514 | |
e537352b LP |
2515 | /* Already on it */ |
2516 | if (s->state == SERVICE_STOP || | |
2517 | s->state == SERVICE_STOP_SIGTERM || | |
2518 | s->state == SERVICE_STOP_SIGKILL || | |
2519 | s->state == SERVICE_STOP_POST || | |
2520 | s->state == SERVICE_FINAL_SIGTERM || | |
2521 | s->state == SERVICE_FINAL_SIGKILL) | |
2522 | return 0; | |
2523 | ||
f0c7b229 | 2524 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2525 | if (s->state == SERVICE_AUTO_RESTART) { |
0c7f15b3 | 2526 | service_set_state(s, SERVICE_DEAD); |
034c6ed7 LP |
2527 | return 0; |
2528 | } | |
2529 | ||
3f6c78dc LP |
2530 | /* If there's already something running we go directly into |
2531 | * kill mode. */ | |
2532 | if (s->state == SERVICE_START_PRE || | |
2533 | s->state == SERVICE_START || | |
2534 | s->state == SERVICE_START_POST || | |
2535 | s->state == SERVICE_RELOAD) { | |
f42806df | 2536 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2537 | return 0; |
2538 | } | |
5cb5a6ff | 2539 | |
3f6c78dc LP |
2540 | assert(s->state == SERVICE_RUNNING || |
2541 | s->state == SERVICE_EXITED); | |
3a762661 | 2542 | |
f42806df | 2543 | service_enter_stop(s, SERVICE_SUCCESS); |
5cb5a6ff LP |
2544 | return 0; |
2545 | } | |
2546 | ||
87f0e418 LP |
2547 | static int service_reload(Unit *u) { |
2548 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2549 | |
2550 | assert(s); | |
2551 | ||
80876c20 | 2552 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2553 | |
2554 | service_enter_reload(s); | |
5cb5a6ff LP |
2555 | return 0; |
2556 | } | |
2557 | ||
44a6b1b6 | 2558 | _pure_ static bool service_can_reload(Unit *u) { |
87f0e418 | 2559 | Service *s = SERVICE(u); |
034c6ed7 LP |
2560 | |
2561 | assert(s); | |
2562 | ||
2563 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2564 | } | |
2565 | ||
a16e1123 LP |
2566 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2567 | Service *s = SERVICE(u); | |
2568 | ||
2569 | assert(u); | |
2570 | assert(f); | |
2571 | assert(fds); | |
2572 | ||
2573 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2574 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2575 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2576 | |
2577 | if (s->control_pid > 0) | |
ccd06097 ZJS |
2578 | unit_serialize_item_format(u, f, "control-pid", PID_FMT, |
2579 | s->control_pid); | |
a16e1123 | 2580 | |
5925dd3c | 2581 | if (s->main_pid_known && s->main_pid > 0) |
ccd06097 | 2582 | unit_serialize_item_format(u, f, "main-pid", PID_FMT, s->main_pid); |
a16e1123 LP |
2583 | |
2584 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2585 | ||
3a2776bc LP |
2586 | if (s->status_text) |
2587 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2588 | ||
cfc4eb4c LP |
2589 | /* FIXME: There's a minor uncleanliness here: if there are |
2590 | * multiple commands attached here, we will start from the | |
2591 | * first one again */ | |
a16e1123 | 2592 | if (s->control_command_id >= 0) |
117dcc57 ZJS |
2593 | unit_serialize_item(u, f, "control-command", |
2594 | service_exec_command_to_string(s->control_command_id)); | |
a16e1123 LP |
2595 | |
2596 | if (s->socket_fd >= 0) { | |
2597 | int copy; | |
2598 | ||
2599 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2600 | return copy; | |
2601 | ||
2602 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2603 | } | |
2604 | ||
ecdbca40 | 2605 | if (s->main_exec_status.pid > 0) { |
ccd06097 ZJS |
2606 | unit_serialize_item_format(u, f, "main-exec-status-pid", PID_FMT, |
2607 | s->main_exec_status.pid); | |
117dcc57 ZJS |
2608 | dual_timestamp_serialize(f, "main-exec-status-start", |
2609 | &s->main_exec_status.start_timestamp); | |
2610 | dual_timestamp_serialize(f, "main-exec-status-exit", | |
2611 | &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2612 | |
799fd0fd | 2613 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
117dcc57 ZJS |
2614 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", |
2615 | s->main_exec_status.code); | |
2616 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", | |
2617 | s->main_exec_status.status); | |
ecdbca40 LP |
2618 | } |
2619 | } | |
a6927d7f | 2620 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
842129f5 | 2621 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); |
ecdbca40 | 2622 | |
6aca9a58 | 2623 | if (s->forbid_restart) |
8d1a2802 | 2624 | unit_serialize_item(u, f, "forbid-restart", yes_no(s->forbid_restart)); |
6aca9a58 | 2625 | |
a16e1123 LP |
2626 | return 0; |
2627 | } | |
2628 | ||
2629 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2630 | Service *s = SERVICE(u); | |
a16e1123 LP |
2631 | |
2632 | assert(u); | |
2633 | assert(key); | |
2634 | assert(value); | |
2635 | assert(fds); | |
2636 | ||
2637 | if (streq(key, "state")) { | |
2638 | ServiceState state; | |
2639 | ||
117dcc57 ZJS |
2640 | state = service_state_from_string(value); |
2641 | if (state < 0) | |
66870f90 | 2642 | log_debug_unit(u->id, "Failed to parse state value %s", value); |
a16e1123 LP |
2643 | else |
2644 | s->deserialized_state = state; | |
f42806df LP |
2645 | } else if (streq(key, "result")) { |
2646 | ServiceResult f; | |
2647 | ||
2648 | f = service_result_from_string(value); | |
2649 | if (f < 0) | |
66870f90 | 2650 | log_debug_unit(u->id, "Failed to parse result value %s", value); |
f42806df LP |
2651 | else if (f != SERVICE_SUCCESS) |
2652 | s->result = f; | |
2653 | ||
2654 | } else if (streq(key, "reload-result")) { | |
2655 | ServiceResult f; | |
2656 | ||
2657 | f = service_result_from_string(value); | |
2658 | if (f < 0) | |
66870f90 | 2659 | log_debug_unit(u->id, "Failed to parse reload result value %s", value); |
f42806df LP |
2660 | else if (f != SERVICE_SUCCESS) |
2661 | s->reload_result = f; | |
a16e1123 | 2662 | |
a16e1123 | 2663 | } else if (streq(key, "control-pid")) { |
5925dd3c | 2664 | pid_t pid; |
a16e1123 | 2665 | |
e364ad06 | 2666 | if (parse_pid(value, &pid) < 0) |
66870f90 | 2667 | log_debug_unit(u->id, "Failed to parse control-pid value %s", value); |
a16e1123 | 2668 | else |
e55224ca | 2669 | s->control_pid = pid; |
a16e1123 | 2670 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2671 | pid_t pid; |
a16e1123 | 2672 | |
e364ad06 | 2673 | if (parse_pid(value, &pid) < 0) |
66870f90 | 2674 | log_debug_unit(u->id, "Failed to parse main-pid value %s", value); |
7400b9d2 LP |
2675 | else { |
2676 | service_set_main_pid(s, pid); | |
2677 | unit_watch_pid(UNIT(s), pid); | |
2678 | } | |
a16e1123 LP |
2679 | } else if (streq(key, "main-pid-known")) { |
2680 | int b; | |
2681 | ||
117dcc57 ZJS |
2682 | b = parse_boolean(value); |
2683 | if (b < 0) | |
66870f90 | 2684 | log_debug_unit(u->id, "Failed to parse main-pid-known value %s", value); |
a16e1123 LP |
2685 | else |
2686 | s->main_pid_known = b; | |
3a2776bc LP |
2687 | } else if (streq(key, "status-text")) { |
2688 | char *t; | |
2689 | ||
117dcc57 ZJS |
2690 | t = strdup(value); |
2691 | if (!t) | |
2692 | log_oom(); | |
2693 | else { | |
3a2776bc LP |
2694 | free(s->status_text); |
2695 | s->status_text = t; | |
2696 | } | |
2697 | ||
a16e1123 LP |
2698 | } else if (streq(key, "control-command")) { |
2699 | ServiceExecCommand id; | |
2700 | ||
117dcc57 ZJS |
2701 | id = service_exec_command_from_string(value); |
2702 | if (id < 0) | |
66870f90 | 2703 | log_debug_unit(u->id, "Failed to parse exec-command value %s", value); |
a16e1123 LP |
2704 | else { |
2705 | s->control_command_id = id; | |
2706 | s->control_command = s->exec_command[id]; | |
2707 | } | |
2708 | } else if (streq(key, "socket-fd")) { | |
2709 | int fd; | |
2710 | ||
2711 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
66870f90 | 2712 | log_debug_unit(u->id, "Failed to parse socket-fd value %s", value); |
a16e1123 LP |
2713 | else { |
2714 | ||
03e334a1 | 2715 | safe_close(s->socket_fd); |
a16e1123 LP |
2716 | s->socket_fd = fdset_remove(fds, fd); |
2717 | } | |
ecdbca40 LP |
2718 | } else if (streq(key, "main-exec-status-pid")) { |
2719 | pid_t pid; | |
2720 | ||
e364ad06 | 2721 | if (parse_pid(value, &pid) < 0) |
66870f90 | 2722 | log_debug_unit(u->id, "Failed to parse main-exec-status-pid value %s", value); |
ecdbca40 LP |
2723 | else |
2724 | s->main_exec_status.pid = pid; | |
2725 | } else if (streq(key, "main-exec-status-code")) { | |
2726 | int i; | |
2727 | ||
e364ad06 | 2728 | if (safe_atoi(value, &i) < 0) |
66870f90 | 2729 | log_debug_unit(u->id, "Failed to parse main-exec-status-code value %s", value); |
ecdbca40 LP |
2730 | else |
2731 | s->main_exec_status.code = i; | |
2732 | } else if (streq(key, "main-exec-status-status")) { | |
2733 | int i; | |
2734 | ||
e364ad06 | 2735 | if (safe_atoi(value, &i) < 0) |
66870f90 | 2736 | log_debug_unit(u->id, "Failed to parse main-exec-status-status value %s", value); |
ecdbca40 LP |
2737 | else |
2738 | s->main_exec_status.status = i; | |
799fd0fd LP |
2739 | } else if (streq(key, "main-exec-status-start")) |
2740 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2741 | else if (streq(key, "main-exec-status-exit")) | |
2742 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2743 | else if (streq(key, "watchdog-timestamp")) |
2744 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
613b411c | 2745 | else if (streq(key, "forbid-restart")) { |
6aca9a58 SE |
2746 | int b; |
2747 | ||
2748 | b = parse_boolean(value); | |
2749 | if (b < 0) | |
8d1a2802 | 2750 | log_debug_unit(u->id, "Failed to parse forbid-restart value %s", value); |
6aca9a58 SE |
2751 | else |
2752 | s->forbid_restart = b; | |
c17ec25e | 2753 | } else |
66870f90 | 2754 | log_debug_unit(u->id, "Unknown serialization key '%s'", key); |
a16e1123 LP |
2755 | |
2756 | return 0; | |
2757 | } | |
2758 | ||
44a6b1b6 | 2759 | _pure_ static UnitActiveState service_active_state(Unit *u) { |
e056b01d LP |
2760 | const UnitActiveState *table; |
2761 | ||
87f0e418 | 2762 | assert(u); |
5cb5a6ff | 2763 | |
e056b01d LP |
2764 | table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
2765 | ||
2766 | return table[SERVICE(u)->state]; | |
034c6ed7 LP |
2767 | } |
2768 | ||
10a94420 LP |
2769 | static const char *service_sub_state_to_string(Unit *u) { |
2770 | assert(u); | |
2771 | ||
2772 | return service_state_to_string(SERVICE(u)->state); | |
2773 | } | |
2774 | ||
701cc384 LP |
2775 | static bool service_check_gc(Unit *u) { |
2776 | Service *s = SERVICE(u); | |
2777 | ||
2778 | assert(s); | |
2779 | ||
6d55002a LP |
2780 | /* Never clean up services that still have a process around, |
2781 | * even if the service is formally dead. */ | |
2782 | if (cgroup_good(s) > 0 || | |
2783 | main_pid_good(s) > 0 || | |
2784 | control_pid_good(s) > 0) | |
2785 | return true; | |
2786 | ||
2787 | #ifdef HAVE_SYSV_COMPAT | |
1b64d026 | 2788 | if (s->is_sysv) |
6d55002a | 2789 | return true; |
07459bb6 | 2790 | #endif |
701cc384 | 2791 | |
6d55002a LP |
2792 | return false; |
2793 | } | |
2794 | ||
44a6b1b6 | 2795 | _pure_ static bool service_check_snapshot(Unit *u) { |
701cc384 LP |
2796 | Service *s = SERVICE(u); |
2797 | ||
2798 | assert(s); | |
2799 | ||
99f37ad8 | 2800 | return (s->socket_fd < 0); |
701cc384 LP |
2801 | } |
2802 | ||
3a111838 MS |
2803 | static int service_retry_pid_file(Service *s) { |
2804 | int r; | |
2805 | ||
2806 | assert(s->pid_file); | |
2807 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2808 | ||
2809 | r = service_load_pid_file(s, false); | |
2810 | if (r < 0) | |
2811 | return r; | |
2812 | ||
2813 | service_unwatch_pid_file(s); | |
2814 | ||
f42806df | 2815 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2816 | return 0; |
2817 | } | |
2818 | ||
2819 | static int service_watch_pid_file(Service *s) { | |
2820 | int r; | |
2821 | ||
66870f90 ZJS |
2822 | log_debug_unit(UNIT(s)->id, |
2823 | "Setting watch for %s's PID file %s", | |
2824 | UNIT(s)->id, s->pid_file_pathspec->path); | |
718db961 | 2825 | r = path_spec_watch(s->pid_file_pathspec, service_dispatch_io); |
3a111838 MS |
2826 | if (r < 0) |
2827 | goto fail; | |
2828 | ||
2829 | /* the pidfile might have appeared just before we set the watch */ | |
bc41f93e ZJS |
2830 | log_debug_unit(UNIT(s)->id, |
2831 | "Trying to read %s's PID file %s in case it changed", | |
2832 | UNIT(s)->id, s->pid_file_pathspec->path); | |
3a111838 MS |
2833 | service_retry_pid_file(s); |
2834 | ||
2835 | return 0; | |
2836 | fail: | |
66870f90 ZJS |
2837 | log_error_unit(UNIT(s)->id, |
2838 | "Failed to set a watch for %s's PID file %s: %s", | |
2839 | UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r)); | |
3a111838 MS |
2840 | service_unwatch_pid_file(s); |
2841 | return r; | |
2842 | } | |
2843 | ||
2844 | static int service_demand_pid_file(Service *s) { | |
2845 | PathSpec *ps; | |
2846 | ||
2847 | assert(s->pid_file); | |
2848 | assert(!s->pid_file_pathspec); | |
2849 | ||
2850 | ps = new0(PathSpec, 1); | |
2851 | if (!ps) | |
2852 | return -ENOMEM; | |
2853 | ||
718db961 | 2854 | ps->unit = UNIT(s); |
3a111838 MS |
2855 | ps->path = strdup(s->pid_file); |
2856 | if (!ps->path) { | |
2857 | free(ps); | |
2858 | return -ENOMEM; | |
2859 | } | |
2860 | ||
2861 | path_kill_slashes(ps->path); | |
2862 | ||
2863 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2864 | * keep their PID file open all the time. */ | |
2865 | ps->type = PATH_MODIFIED; | |
2866 | ps->inotify_fd = -1; | |
2867 | ||
2868 | s->pid_file_pathspec = ps; | |
2869 | ||
2870 | return service_watch_pid_file(s); | |
2871 | } | |
2872 | ||
718db961 | 2873 | static int service_dispatch_io(sd_event_source *source, int fd, uint32_t events, void *userdata) { |
e14c2802 LP |
2874 | PathSpec *p = userdata; |
2875 | Service *s; | |
2876 | ||
2877 | assert(p); | |
2878 | ||
2879 | s = SERVICE(p->unit); | |
3a111838 MS |
2880 | |
2881 | assert(s); | |
2882 | assert(fd >= 0); | |
2883 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2884 | assert(s->pid_file_pathspec); | |
57020a3a | 2885 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2886 | |
718db961 | 2887 | log_debug_unit(UNIT(s)->id, "inotify event for %s", UNIT(s)->id); |
3a111838 | 2888 | |
e14c2802 | 2889 | if (path_spec_fd_event(p, events) < 0) |
3a111838 MS |
2890 | goto fail; |
2891 | ||
2892 | if (service_retry_pid_file(s) == 0) | |
718db961 | 2893 | return 0; |
3a111838 MS |
2894 | |
2895 | if (service_watch_pid_file(s) < 0) | |
2896 | goto fail; | |
2897 | ||
718db961 LP |
2898 | return 0; |
2899 | ||
3a111838 MS |
2900 | fail: |
2901 | service_unwatch_pid_file(s); | |
f42806df | 2902 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
718db961 | 2903 | return 0; |
3a111838 MS |
2904 | } |
2905 | ||
a911bb9a LP |
2906 | static void service_notify_cgroup_empty_event(Unit *u) { |
2907 | Service *s = SERVICE(u); | |
2908 | ||
2909 | assert(u); | |
2910 | ||
2911 | log_debug_unit(u->id, "%s: cgroup is empty", u->id); | |
2912 | ||
2913 | switch (s->state) { | |
2914 | ||
2915 | /* Waiting for SIGCHLD is usually more interesting, | |
2916 | * because it includes return codes/signals. Which is | |
2917 | * why we ignore the cgroup events for most cases, | |
2918 | * except when we don't know pid which to expect the | |
2919 | * SIGCHLD for. */ | |
2920 | ||
2921 | case SERVICE_START: | |
2922 | case SERVICE_START_POST: | |
2923 | /* If we were hoping for the daemon to write its PID file, | |
2924 | * we can give up now. */ | |
2925 | if (s->pid_file_pathspec) { | |
2926 | log_warning_unit(u->id, | |
2927 | "%s never wrote its PID file. Failing.", UNIT(s)->id); | |
2928 | service_unwatch_pid_file(s); | |
2929 | if (s->state == SERVICE_START) | |
2930 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); | |
2931 | else | |
2932 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); | |
2933 | } | |
2934 | break; | |
2935 | ||
2936 | case SERVICE_RUNNING: | |
2937 | /* service_enter_running() will figure out what to do */ | |
2938 | service_enter_running(s, SERVICE_SUCCESS); | |
2939 | break; | |
2940 | ||
2941 | case SERVICE_STOP_SIGTERM: | |
2942 | case SERVICE_STOP_SIGKILL: | |
2943 | ||
2944 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2945 | service_enter_stop_post(s, SERVICE_SUCCESS); | |
2946 | ||
2947 | break; | |
2948 | ||
2949 | case SERVICE_STOP_POST: | |
2950 | case SERVICE_FINAL_SIGTERM: | |
2951 | case SERVICE_FINAL_SIGKILL: | |
2952 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2953 | service_enter_dead(s, SERVICE_SUCCESS, true); | |
2954 | ||
2955 | break; | |
2956 | ||
2957 | default: | |
2958 | ; | |
2959 | } | |
2960 | } | |
2961 | ||
87f0e418 LP |
2962 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2963 | Service *s = SERVICE(u); | |
f42806df | 2964 | ServiceResult f; |
5cb5a6ff LP |
2965 | |
2966 | assert(s); | |
034c6ed7 LP |
2967 | assert(pid >= 0); |
2968 | ||
96342de6 LN |
2969 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status, &s->success_status) : |
2970 | is_clean_exit_lsb(code, status, &s->success_status)) | |
f42806df LP |
2971 | f = SERVICE_SUCCESS; |
2972 | else if (code == CLD_EXITED) | |
2973 | f = SERVICE_FAILURE_EXIT_CODE; | |
2974 | else if (code == CLD_KILLED) | |
2975 | f = SERVICE_FAILURE_SIGNAL; | |
2976 | else if (code == CLD_DUMPED) | |
2977 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2978 | else |
cfc4eb4c | 2979 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2980 | |
2981 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2982 | /* Forking services may occasionally move to a new PID. |
2983 | * As long as they update the PID file before exiting the old | |
2984 | * PID, they're fine. */ | |
5375410b | 2985 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2986 | return; |
034c6ed7 | 2987 | |
034c6ed7 | 2988 | s->main_pid = 0; |
6ea832a2 | 2989 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2990 | |
867b3b7d | 2991 | if (s->main_command) { |
fbeefb45 LP |
2992 | /* If this is not a forking service than the |
2993 | * main process got started and hence we copy | |
2994 | * the exit status so that it is recorded both | |
2995 | * as main and as control process exit | |
2996 | * status */ | |
2997 | ||
867b3b7d | 2998 | s->main_command->exec_status = s->main_exec_status; |
b708e7ce | 2999 | |
867b3b7d | 3000 | if (s->main_command->ignore) |
f42806df | 3001 | f = SERVICE_SUCCESS; |
fbeefb45 LP |
3002 | } else if (s->exec_command[SERVICE_EXEC_START]) { |
3003 | ||
3004 | /* If this is a forked process, then we should | |
3005 | * ignore the return value if this was | |
3006 | * configured for the starter process */ | |
3007 | ||
3008 | if (s->exec_command[SERVICE_EXEC_START]->ignore) | |
3009 | f = SERVICE_SUCCESS; | |
034c6ed7 LP |
3010 | } |
3011 | ||
bbc9006e MT |
3012 | log_struct_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
3013 | u->id, | |
23635a85 ZJS |
3014 | "MESSAGE=%s: main process exited, code=%s, status=%i/%s", |
3015 | u->id, sigchld_code_to_string(code), status, | |
3016 | strna(code == CLD_EXITED | |
3017 | ? exit_status_to_string(status, EXIT_STATUS_FULL) | |
3018 | : signal_to_string(status)), | |
23635a85 ZJS |
3019 | "EXIT_CODE=%s", sigchld_code_to_string(code), |
3020 | "EXIT_STATUS=%i", status, | |
3021 | NULL); | |
f42806df LP |
3022 | |
3023 | if (f != SERVICE_SUCCESS) | |
3024 | s->result = f; | |
034c6ed7 | 3025 | |
867b3b7d LP |
3026 | if (s->main_command && |
3027 | s->main_command->command_next && | |
f42806df | 3028 | f == SERVICE_SUCCESS) { |
034c6ed7 | 3029 | |
34e9ba66 LP |
3030 | /* There is another command to * |
3031 | * execute, so let's do that. */ | |
034c6ed7 | 3032 | |
66870f90 ZJS |
3033 | log_debug_unit(u->id, |
3034 | "%s running next main command for state %s", | |
3035 | u->id, service_state_to_string(s->state)); | |
f42806df | 3036 | service_run_next_main(s); |
034c6ed7 | 3037 | |
34e9ba66 LP |
3038 | } else { |
3039 | ||
3040 | /* The service exited, so the service is officially | |
3041 | * gone. */ | |
867b3b7d | 3042 | s->main_command = NULL; |
34e9ba66 LP |
3043 | |
3044 | switch (s->state) { | |
3045 | ||
3046 | case SERVICE_START_POST: | |
3047 | case SERVICE_RELOAD: | |
3048 | case SERVICE_STOP: | |
3049 | /* Need to wait until the operation is | |
3050 | * done */ | |
c4653a4d | 3051 | break; |
7d55e835 | 3052 | |
34e9ba66 LP |
3053 | case SERVICE_START: |
3054 | if (s->type == SERVICE_ONESHOT) { | |
3055 | /* This was our main goal, so let's go on */ | |
f42806df | 3056 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
3057 | service_enter_start_post(s); |
3058 | else | |
f42806df | 3059 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 | 3060 | break; |
34e9ba66 | 3061 | } |
034c6ed7 | 3062 | |
bfba3256 LP |
3063 | /* Fall through */ |
3064 | ||
34e9ba66 | 3065 | case SERVICE_RUNNING: |
f42806df | 3066 | service_enter_running(s, f); |
34e9ba66 | 3067 | break; |
034c6ed7 | 3068 | |
34e9ba66 LP |
3069 | case SERVICE_STOP_SIGTERM: |
3070 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 3071 | |
34e9ba66 | 3072 | if (!control_pid_good(s)) |
f42806df | 3073 | service_enter_stop_post(s, f); |
5cb5a6ff | 3074 | |
34e9ba66 LP |
3075 | /* If there is still a control process, wait for that first */ |
3076 | break; | |
3077 | ||
bf108e55 LP |
3078 | case SERVICE_STOP_POST: |
3079 | case SERVICE_FINAL_SIGTERM: | |
3080 | case SERVICE_FINAL_SIGKILL: | |
3081 | ||
3082 | if (!control_pid_good(s)) | |
3083 | service_enter_dead(s, f, true); | |
3084 | break; | |
3085 | ||
34e9ba66 LP |
3086 | default: |
3087 | assert_not_reached("Uh, main process died at wrong time."); | |
3088 | } | |
034c6ed7 | 3089 | } |
5cb5a6ff | 3090 | |
034c6ed7 | 3091 | } else if (s->control_pid == pid) { |
34e9ba66 LP |
3092 | s->control_pid = 0; |
3093 | ||
b708e7ce | 3094 | if (s->control_command) { |
117dcc57 ZJS |
3095 | exec_status_exit(&s->control_command->exec_status, |
3096 | &s->exec_context, pid, code, status); | |
a16e1123 | 3097 | |
b708e7ce | 3098 | if (s->control_command->ignore) |
f42806df | 3099 | f = SERVICE_SUCCESS; |
b708e7ce LP |
3100 | } |
3101 | ||
66870f90 ZJS |
3102 | log_full_unit(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, u->id, |
3103 | "%s: control process exited, code=%s status=%i", | |
3104 | u->id, sigchld_code_to_string(code), status); | |
f42806df LP |
3105 | |
3106 | if (f != SERVICE_SUCCESS) | |
3107 | s->result = f; | |
034c6ed7 | 3108 | |
88f3e0c9 LP |
3109 | /* Immediately get rid of the cgroup, so that the |
3110 | * kernel doesn't delay the cgroup empty messages for | |
3111 | * the service cgroup any longer than necessary */ | |
4ad49000 | 3112 | service_kill_control_processes(s); |
88f3e0c9 | 3113 | |
34e9ba66 LP |
3114 | if (s->control_command && |
3115 | s->control_command->command_next && | |
f42806df | 3116 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
3117 | |
3118 | /* There is another command to * | |
3119 | * execute, so let's do that. */ | |
3120 | ||
66870f90 ZJS |
3121 | log_debug_unit(u->id, |
3122 | "%s running next control command for state %s", | |
3123 | u->id, service_state_to_string(s->state)); | |
f42806df | 3124 | service_run_next_control(s); |
034c6ed7 | 3125 | |
80876c20 | 3126 | } else { |
034c6ed7 LP |
3127 | /* No further commands for this step, so let's |
3128 | * figure out what to do next */ | |
3129 | ||
a16e1123 LP |
3130 | s->control_command = NULL; |
3131 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
3132 | ||
66870f90 ZJS |
3133 | log_debug_unit(u->id, |
3134 | "%s got final SIGCHLD for state %s", | |
3135 | u->id, service_state_to_string(s->state)); | |
bd982a8b | 3136 | |
034c6ed7 LP |
3137 | switch (s->state) { |
3138 | ||
3139 | case SERVICE_START_PRE: | |
f42806df | 3140 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
3141 | service_enter_start(s); |
3142 | else | |
f42806df | 3143 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
3144 | break; |
3145 | ||
3146 | case SERVICE_START: | |
bfba3256 LP |
3147 | if (s->type != SERVICE_FORKING) |
3148 | /* Maybe spurious event due to a reload that changed the type? */ | |
3149 | break; | |
034c6ed7 | 3150 | |
f42806df LP |
3151 | if (f != SERVICE_SUCCESS) { |
3152 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
3153 | break; |
3154 | } | |
034c6ed7 | 3155 | |
3a111838 | 3156 | if (s->pid_file) { |
f42806df LP |
3157 | bool has_start_post; |
3158 | int r; | |
3159 | ||
3a111838 MS |
3160 | /* Let's try to load the pid file here if we can. |
3161 | * The PID file might actually be created by a START_POST | |
3162 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
3163 | |
3164 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
3165 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
3166 | if (!has_start_post && r < 0) { |
3167 | r = service_demand_pid_file(s); | |
3168 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3169 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3170 | break; |
3171 | } | |
034c6ed7 | 3172 | } else |
3a111838 | 3173 | service_search_main_pid(s); |
034c6ed7 | 3174 | |
3a111838 | 3175 | service_enter_start_post(s); |
034c6ed7 LP |
3176 | break; |
3177 | ||
3178 | case SERVICE_START_POST: | |
f42806df LP |
3179 | if (f != SERVICE_SUCCESS) { |
3180 | service_enter_stop(s, f); | |
2096e009 | 3181 | break; |
034c6ed7 LP |
3182 | } |
3183 | ||
2096e009 | 3184 | if (s->pid_file) { |
f42806df LP |
3185 | int r; |
3186 | ||
3187 | r = service_load_pid_file(s, true); | |
2096e009 MS |
3188 | if (r < 0) { |
3189 | r = service_demand_pid_file(s); | |
3190 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3191 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
3192 | break; |
3193 | } | |
3194 | } else | |
3195 | service_search_main_pid(s); | |
3196 | ||
f42806df | 3197 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 3198 | break; |
034c6ed7 LP |
3199 | |
3200 | case SERVICE_RELOAD: | |
f42806df | 3201 | if (f == SERVICE_SUCCESS) { |
5375410b | 3202 | service_load_pid_file(s, true); |
3185a36b LP |
3203 | service_search_main_pid(s); |
3204 | } | |
3205 | ||
f42806df LP |
3206 | s->reload_result = f; |
3207 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
3208 | break; |
3209 | ||
3210 | case SERVICE_STOP: | |
f42806df | 3211 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
3212 | break; |
3213 | ||
3214 | case SERVICE_STOP_SIGTERM: | |
3215 | case SERVICE_STOP_SIGKILL: | |
3216 | if (main_pid_good(s) <= 0) | |
f42806df | 3217 | service_enter_stop_post(s, f); |
034c6ed7 LP |
3218 | |
3219 | /* If there is still a service | |
3220 | * process around, wait until | |
3221 | * that one quit, too */ | |
3222 | break; | |
3223 | ||
3224 | case SERVICE_STOP_POST: | |
3225 | case SERVICE_FINAL_SIGTERM: | |
3226 | case SERVICE_FINAL_SIGKILL: | |
bf108e55 LP |
3227 | if (main_pid_good(s) <= 0) |
3228 | service_enter_dead(s, f, true); | |
034c6ed7 LP |
3229 | break; |
3230 | ||
3231 | default: | |
3232 | assert_not_reached("Uh, control process died at wrong time."); | |
3233 | } | |
3234 | } | |
8c47c732 | 3235 | } |
c4e2ceae LP |
3236 | |
3237 | /* Notify clients about changed exit status */ | |
3238 | unit_add_to_dbus_queue(u); | |
a911bb9a LP |
3239 | |
3240 | /* We got one SIGCHLD for the service, let's watch all | |
3241 | * processes that are now running of the service, and watch | |
3242 | * that. Among the PIDs we then watch will be children | |
3243 | * reassigned to us, which hopefully allows us to identify | |
3244 | * when all children are gone */ | |
3245 | unit_tidy_watch_pids(u, s->main_pid, s->control_pid); | |
3246 | unit_watch_all_pids(u); | |
3247 | ||
3248 | /* If the PID set is empty now, then let's finish this off */ | |
3249 | if (set_isempty(u->pids)) | |
3250 | service_notify_cgroup_empty_event(u); | |
034c6ed7 LP |
3251 | } |
3252 | ||
718db961 LP |
3253 | static int service_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) { |
3254 | Service *s = SERVICE(userdata); | |
034c6ed7 LP |
3255 | |
3256 | assert(s); | |
718db961 | 3257 | assert(source == s->timer_event_source); |
034c6ed7 LP |
3258 | |
3259 | switch (s->state) { | |
3260 | ||
3261 | case SERVICE_START_PRE: | |
3262 | case SERVICE_START: | |
718db961 | 3263 | log_warning_unit(UNIT(s)->id, |
41aef6fc ZJS |
3264 | "%s %s operation timed out. Terminating.", |
3265 | UNIT(s)->id, | |
3266 | s->state == SERVICE_START ? "start" : "start-pre"); | |
f42806df | 3267 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
3268 | break; |
3269 | ||
034c6ed7 | 3270 | case SERVICE_START_POST: |
718db961 | 3271 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3272 | "%s start-post operation timed out. Stopping.", UNIT(s)->id); |
f42806df | 3273 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3274 | break; |
3275 | ||
e2f3b44c | 3276 | case SERVICE_RELOAD: |
718db961 | 3277 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3278 | "%s reload operation timed out. Stopping.", UNIT(s)->id); |
f42806df LP |
3279 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
3280 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
3281 | break; |
3282 | ||
034c6ed7 | 3283 | case SERVICE_STOP: |
718db961 LP |
3284 | log_warning_unit(UNIT(s)->id, |
3285 | "%s stopping timed out. Terminating.", UNIT(s)->id); | |
f42806df | 3286 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3287 | break; |
3288 | ||
3289 | case SERVICE_STOP_SIGTERM: | |
4819ff03 | 3290 | if (s->kill_context.send_sigkill) { |
718db961 | 3291 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3292 | "%s stop-sigterm timed out. Killing.", UNIT(s)->id); |
f42806df | 3293 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3294 | } else { |
718db961 | 3295 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3296 | "%s stop-sigterm timed out. Skipping SIGKILL.", UNIT(s)->id); |
f42806df | 3297 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
3298 | } |
3299 | ||
034c6ed7 LP |
3300 | break; |
3301 | ||
3302 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 3303 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
3304 | * Must be something we cannot kill, so let's just be |
3305 | * weirded out and continue */ | |
3306 | ||
718db961 LP |
3307 | log_warning_unit(UNIT(s)->id, |
3308 | "%s still around after SIGKILL. Ignoring.", UNIT(s)->id); | |
f42806df | 3309 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3310 | break; |
3311 | ||
3312 | case SERVICE_STOP_POST: | |
718db961 | 3313 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3314 | "%s stop-post timed out. Terminating.", UNIT(s)->id); |
f42806df | 3315 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3316 | break; |
3317 | ||
3318 | case SERVICE_FINAL_SIGTERM: | |
4819ff03 | 3319 | if (s->kill_context.send_sigkill) { |
718db961 | 3320 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3321 | "%s stop-final-sigterm timed out. Killing.", UNIT(s)->id); |
f42806df | 3322 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3323 | } else { |
718db961 | 3324 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3325 | "%s stop-final-sigterm timed out. Skipping SIGKILL. Entering failed mode.", |
718db961 | 3326 | UNIT(s)->id); |
f42806df | 3327 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
3328 | } |
3329 | ||
034c6ed7 LP |
3330 | break; |
3331 | ||
3332 | case SERVICE_FINAL_SIGKILL: | |
718db961 | 3333 | log_warning_unit(UNIT(s)->id, |
41aef6fc | 3334 | "%s still around after final SIGKILL. Entering failed mode.", UNIT(s)->id); |
f42806df | 3335 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
3336 | break; |
3337 | ||
3338 | case SERVICE_AUTO_RESTART: | |
718db961 | 3339 | log_info_unit(UNIT(s)->id, |
ef417cfd ZJS |
3340 | s->restart_usec > 0 ? |
3341 | "%s holdoff time over, scheduling restart." : | |
3342 | "%s has no holdoff time, scheduling restart.", | |
3343 | UNIT(s)->id); | |
034c6ed7 LP |
3344 | service_enter_restart(s); |
3345 | break; | |
3346 | ||
3347 | default: | |
3348 | assert_not_reached("Timeout at wrong time."); | |
3349 | } | |
718db961 LP |
3350 | |
3351 | return 0; | |
3352 | } | |
3353 | ||
3354 | static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata) { | |
3355 | Service *s = SERVICE(userdata); | |
3356 | ||
3357 | assert(s); | |
3358 | assert(source == s->watchdog_event_source); | |
3359 | ||
842129f5 LP |
3360 | log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id); |
3361 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG); | |
3362 | ||
718db961 | 3363 | return 0; |
5cb5a6ff LP |
3364 | } |
3365 | ||
c952c6ec | 3366 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
3367 | Service *s = SERVICE(u); |
3368 | const char *e; | |
30b5275a | 3369 | bool notify_dbus = false; |
8c47c732 LP |
3370 | |
3371 | assert(u); | |
3372 | ||
ccd06097 ZJS |
3373 | log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT" (%s...)", |
3374 | u->id, pid, tags && *tags ? tags[0] : "(empty)"); | |
da13d4d2 | 3375 | |
c952c6ec | 3376 | if (s->notify_access == NOTIFY_NONE) { |
66870f90 | 3377 | log_warning_unit(u->id, |
ccd06097 ZJS |
3378 | "%s: Got notification message from PID "PID_FMT", but reception is disabled.", |
3379 | u->id, pid); | |
c952c6ec LP |
3380 | return; |
3381 | } | |
3382 | ||
336c6e46 LP |
3383 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { |
3384 | ||
3385 | if (s->main_pid != 0) | |
3386 | log_warning_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID "PID_FMT, u->id, pid, s->main_pid); | |
3387 | else | |
3a33e61d | 3388 | log_debug_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID which is currently not known", u->id, pid); |
c952c6ec LP |
3389 | return; |
3390 | } | |
3391 | ||
8c47c732 LP |
3392 | /* Interpret MAINPID= */ |
3393 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
3394 | (s->state == SERVICE_START || | |
3395 | s->state == SERVICE_START_POST || | |
3396 | s->state == SERVICE_RUNNING || | |
3397 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 3398 | |
5925dd3c | 3399 | if (parse_pid(e + 8, &pid) < 0) |
30b5275a | 3400 | log_warning_unit(u->id, "Failed to parse notification message %s", e); |
8c47c732 | 3401 | else { |
30b5275a | 3402 | log_debug_unit(u->id, "%s: got %s", u->id, e); |
5925dd3c | 3403 | service_set_main_pid(s, pid); |
7400b9d2 | 3404 | unit_watch_pid(UNIT(s), pid); |
30b5275a | 3405 | notify_dbus = true; |
8c47c732 LP |
3406 | } |
3407 | } | |
3408 | ||
3409 | /* Interpret READY= */ | |
30b5275a LP |
3410 | if (s->type == SERVICE_NOTIFY && s->state == SERVICE_START && strv_find(tags, "READY=1")) { |
3411 | log_debug_unit(u->id, "%s: got READY=1", u->id); | |
8c47c732 | 3412 | service_enter_start_post(s); |
30b5275a | 3413 | notify_dbus = true; |
8c47c732 LP |
3414 | } |
3415 | ||
3416 | /* Interpret STATUS= */ | |
7f110ff9 LP |
3417 | e = strv_find_prefix(tags, "STATUS="); |
3418 | if (e) { | |
8c47c732 LP |
3419 | char *t; |
3420 | ||
3a2776bc | 3421 | if (e[7]) { |
7f110ff9 | 3422 | if (!utf8_is_valid(e+7)) { |
30b5275a | 3423 | log_warning_unit(u->id, "Status message in notification is not UTF-8 clean."); |
7f110ff9 LP |
3424 | return; |
3425 | } | |
3426 | ||
30b5275a LP |
3427 | log_debug_unit(u->id, "%s: got %s", u->id, e); |
3428 | ||
7f110ff9 LP |
3429 | t = strdup(e+7); |
3430 | if (!t) { | |
30b5275a | 3431 | log_oom(); |
3a2776bc LP |
3432 | return; |
3433 | } | |
3434 | ||
30b5275a LP |
3435 | } else |
3436 | t = NULL; | |
8c47c732 | 3437 | |
30b5275a | 3438 | if (!streq_ptr(s->status_text, t)) { |
3a2776bc LP |
3439 | free(s->status_text); |
3440 | s->status_text = t; | |
30b5275a LP |
3441 | notify_dbus = true; |
3442 | } else | |
3443 | free(t); | |
8c47c732 | 3444 | } |
842129f5 | 3445 | |
6f285378 | 3446 | /* Interpret WATCHDOG= */ |
a6927d7f | 3447 | if (strv_find(tags, "WATCHDOG=1")) { |
842129f5 LP |
3448 | log_debug_unit(u->id, "%s: got WATCHDOG=1", u->id); |
3449 | service_reset_watchdog(s); | |
a6927d7f | 3450 | } |
c4e2ceae LP |
3451 | |
3452 | /* Notify clients about changed status or main pid */ | |
30b5275a LP |
3453 | if (notify_dbus) |
3454 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3455 | } |
3456 | ||
68db7a3b ZJS |
3457 | static int service_get_timeout(Unit *u, uint64_t *timeout) { |
3458 | Service *s = SERVICE(u); | |
3459 | int r; | |
3460 | ||
3461 | if (!s->timer_event_source) | |
3462 | return 0; | |
3463 | ||
3464 | r = sd_event_source_get_time(s->timer_event_source, timeout); | |
3465 | if (r < 0) | |
3466 | return r; | |
3467 | ||
3468 | return 1; | |
3469 | } | |
3470 | ||
07459bb6 | 3471 | #ifdef HAVE_SYSV_COMPAT |
de3910a3 | 3472 | |
2c4104f0 | 3473 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
3474 | char **p; |
3475 | unsigned i; | |
7fd1b19b HH |
3476 | _cleanup_closedir_ DIR *d = NULL; |
3477 | _cleanup_free_ char *path = NULL, *fpath = NULL, *name = NULL; | |
b92bea5d | 3478 | Set *runlevel_services[ELEMENTSOF(rcnd_table)] = {}; |
7fd1b19b | 3479 | _cleanup_set_free_ Set *shutdown_services = NULL; |
c68364b7 LP |
3480 | Unit *service; |
3481 | Iterator j; | |
2c4104f0 LP |
3482 | int r; |
3483 | ||
3484 | assert(m); | |
3485 | ||
67445f4e | 3486 | if (m->running_as != SYSTEMD_SYSTEM) |
b1bc08e5 LP |
3487 | return 0; |
3488 | ||
84e3543e | 3489 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 3490 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
3491 | struct dirent *de; |
3492 | ||
3493 | free(path); | |
b7def684 | 3494 | path = strjoin(*p, "/", rcnd_table[i].path, NULL); |
70132bd0 | 3495 | if (!path) { |
2c4104f0 LP |
3496 | r = -ENOMEM; |
3497 | goto finish; | |
3498 | } | |
3499 | ||
3500 | if (d) | |
3501 | closedir(d); | |
3502 | ||
117dcc57 ZJS |
3503 | d = opendir(path); |
3504 | if (!d) { | |
2c4104f0 | 3505 | if (errno != ENOENT) |
f5f6d0e2 | 3506 | log_warning("opendir(%s) failed: %m", path); |
2c4104f0 LP |
3507 | |
3508 | continue; | |
3509 | } | |
3510 | ||
3511 | while ((de = readdir(d))) { | |
db06e3b6 | 3512 | int a, b; |
2c4104f0 LP |
3513 | |
3514 | if (ignore_file(de->d_name)) | |
3515 | continue; | |
3516 | ||
3517 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
3518 | continue; | |
3519 | ||
3520 | if (strlen(de->d_name) < 4) | |
3521 | continue; | |
3522 | ||
db06e3b6 LP |
3523 | a = undecchar(de->d_name[1]); |
3524 | b = undecchar(de->d_name[2]); | |
3525 | ||
3526 | if (a < 0 || b < 0) | |
3527 | continue; | |
3528 | ||
2c4104f0 | 3529 | free(fpath); |
b7def684 | 3530 | fpath = strjoin(path, "/", de->d_name, NULL); |
8ea913b2 | 3531 | if (!fpath) { |
2c4104f0 LP |
3532 | r = -ENOMEM; |
3533 | goto finish; | |
3534 | } | |
3535 | ||
3536 | if (access(fpath, X_OK) < 0) { | |
3537 | ||
3538 | if (errno != ENOENT) | |
f5f6d0e2 | 3539 | log_warning("access() failed on %s: %m", fpath); |
2c4104f0 LP |
3540 | |
3541 | continue; | |
3542 | } | |
3543 | ||
3544 | free(name); | |
117dcc57 ZJS |
3545 | name = sysv_translate_name(de->d_name + 3); |
3546 | if (!name) { | |
3547 | r = log_oom(); | |
2c4104f0 LP |
3548 | goto finish; |
3549 | } | |
3550 | ||
66870f90 ZJS |
3551 | r = manager_load_unit_prepare(m, name, NULL, NULL, &service); |
3552 | if (r < 0) { | |
fbe9f3a9 LP |
3553 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
3554 | continue; | |
3555 | } | |
2c4104f0 | 3556 | |
c68364b7 LP |
3557 | if (de->d_name[0] == 'S') { |
3558 | ||
3cdebc21 | 3559 | if (rcnd_table[i].type == RUNLEVEL_UP) { |
ea87ca5a LP |
3560 | SERVICE(service)->sysv_start_priority_from_rcnd = |
3561 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd); | |
db06e3b6 | 3562 | |
c68364b7 | 3563 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3564 | } |
db06e3b6 | 3565 | |
117dcc57 ZJS |
3566 | r = set_ensure_allocated(&runlevel_services[i], |
3567 | trivial_hash_func, trivial_compare_func); | |
3568 | if (r < 0) | |
c68364b7 | 3569 | goto finish; |
2c4104f0 | 3570 | |
117dcc57 ZJS |
3571 | r = set_put(runlevel_services[i], service); |
3572 | if (r < 0) | |
2c4104f0 | 3573 | goto finish; |
23a177ef | 3574 | |
fc5df99e | 3575 | } else if (de->d_name[0] == 'K' && |
3cdebc21 | 3576 | (rcnd_table[i].type == RUNLEVEL_DOWN)) { |
6542952f | 3577 | |
117dcc57 ZJS |
3578 | r = set_ensure_allocated(&shutdown_services, |
3579 | trivial_hash_func, trivial_compare_func); | |
3580 | if (r < 0) | |
c68364b7 LP |
3581 | goto finish; |
3582 | ||
117dcc57 ZJS |
3583 | r = set_put(shutdown_services, service); |
3584 | if (r < 0) | |
2c4104f0 LP |
3585 | goto finish; |
3586 | } | |
3587 | } | |
3588 | } | |
3589 | ||
c68364b7 LP |
3590 | /* Now we loaded all stubs and are aware of the lowest |
3591 | start-up priority for all services, not let's actually load | |
3592 | the services, this will also tell us which services are | |
3593 | actually native now */ | |
3594 | manager_dispatch_load_queue(m); | |
3595 | ||
3596 | /* If this is a native service, rely on native ways to pull in | |
3597 | * a service, don't pull it in via sysv rcN.d links. */ | |
3598 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3599 | SET_FOREACH(service, runlevel_services[i], j) { | |
3600 | service = unit_follow_merge(service); | |
3601 | ||
ac155bb8 | 3602 | if (service->fragment_path) |
c68364b7 LP |
3603 | continue; |
3604 | ||
117dcc57 ZJS |
3605 | r = unit_add_two_dependencies_by_name_inverse( |
3606 | service, UNIT_AFTER, UNIT_WANTS, | |
3607 | rcnd_table[i].target, NULL, true); | |
3608 | if (r < 0) | |
c68364b7 LP |
3609 | goto finish; |
3610 | } | |
3611 | ||
3612 | /* We honour K links only for halt/reboot. For the normal | |
3613 | * runlevels we assume the stop jobs will be implicitly added | |
35b8ca3a | 3614 | * by the core logic. Also, we don't really distinguish here |
c68364b7 | 3615 | * between the runlevels 0 and 6 and just add them to the |
3cdebc21 | 3616 | * special shutdown target. */ |
c68364b7 LP |
3617 | SET_FOREACH(service, shutdown_services, j) { |
3618 | service = unit_follow_merge(service); | |
3619 | ||
ac155bb8 | 3620 | if (service->fragment_path) |
c68364b7 LP |
3621 | continue; |
3622 | ||
117dcc57 ZJS |
3623 | r = unit_add_two_dependencies_by_name( |
3624 | service, UNIT_BEFORE, UNIT_CONFLICTS, | |
3625 | SPECIAL_SHUTDOWN_TARGET, NULL, true); | |
3626 | if (r < 0) | |
c68364b7 LP |
3627 | goto finish; |
3628 | } | |
3629 | ||
2c4104f0 LP |
3630 | r = 0; |
3631 | ||
3632 | finish: | |
fbe9f3a9 | 3633 | |
c68364b7 LP |
3634 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3635 | set_free(runlevel_services[i]); | |
2c4104f0 LP |
3636 | |
3637 | return r; | |
3638 | } | |
07459bb6 | 3639 | #endif |
2c4104f0 | 3640 | |
05e343b7 LP |
3641 | static void service_bus_name_owner_change( |
3642 | Unit *u, | |
3643 | const char *name, | |
3644 | const char *old_owner, | |
3645 | const char *new_owner) { | |
3646 | ||
3647 | Service *s = SERVICE(u); | |
718db961 | 3648 | int r; |
05e343b7 LP |
3649 | |
3650 | assert(s); | |
3651 | assert(name); | |
3652 | ||
3653 | assert(streq(s->bus_name, name)); | |
3654 | assert(old_owner || new_owner); | |
3655 | ||
3656 | if (old_owner && new_owner) | |
66870f90 ZJS |
3657 | log_debug_unit(u->id, |
3658 | "%s's D-Bus name %s changed owner from %s to %s", | |
3659 | u->id, name, old_owner, new_owner); | |
05e343b7 | 3660 | else if (old_owner) |
66870f90 ZJS |
3661 | log_debug_unit(u->id, |
3662 | "%s's D-Bus name %s no longer registered by %s", | |
3663 | u->id, name, old_owner); | |
05e343b7 | 3664 | else |
66870f90 ZJS |
3665 | log_debug_unit(u->id, |
3666 | "%s's D-Bus name %s now registered by %s", | |
3667 | u->id, name, new_owner); | |
05e343b7 LP |
3668 | |
3669 | s->bus_name_good = !!new_owner; | |
3670 | ||
3671 | if (s->type == SERVICE_DBUS) { | |
3672 | ||
3673 | /* service_enter_running() will figure out what to | |
3674 | * do */ | |
3675 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3676 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3677 | else if (s->state == SERVICE_START && new_owner) |
3678 | service_enter_start_post(s); | |
3679 | ||
3680 | } else if (new_owner && | |
3681 | s->main_pid <= 0 && | |
3682 | (s->state == SERVICE_START || | |
3683 | s->state == SERVICE_START_POST || | |
3684 | s->state == SERVICE_RUNNING || | |
3685 | s->state == SERVICE_RELOAD)) { | |
3686 | ||
5b12334d | 3687 | _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
718db961 | 3688 | pid_t pid; |
05e343b7 | 3689 | |
718db961 | 3690 | /* Try to acquire PID from bus service */ |
05e343b7 | 3691 | |
49b832c5 | 3692 | r = sd_bus_get_owner(u->manager->api_bus, name, SD_BUS_CREDS_PID, &creds); |
5b12334d LP |
3693 | if (r >= 0) |
3694 | r = sd_bus_creds_get_pid(creds, &pid); | |
718db961 LP |
3695 | if (r >= 0) { |
3696 | log_debug_unit(u->id, "%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid); | |
05e343b7 | 3697 | |
718db961 LP |
3698 | service_set_main_pid(s, pid); |
3699 | unit_watch_pid(UNIT(s), pid); | |
3700 | } | |
7400b9d2 | 3701 | } |
05e343b7 LP |
3702 | } |
3703 | ||
6cf6bbc2 | 3704 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
79a98c60 LP |
3705 | _cleanup_free_ char *peer = NULL; |
3706 | int r; | |
57020a3a | 3707 | |
4f2d528d LP |
3708 | assert(s); |
3709 | assert(fd >= 0); | |
3710 | ||
3711 | /* This is called by the socket code when instantiating a new | |
3712 | * service for a stream socket and the socket needs to be | |
3713 | * configured. */ | |
3714 | ||
1124fe6f | 3715 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3716 | return -EINVAL; |
3717 | ||
3718 | if (s->socket_fd >= 0) | |
3719 | return -EBUSY; | |
3720 | ||
3721 | if (s->state != SERVICE_DEAD) | |
3722 | return -EAGAIN; | |
3723 | ||
79a98c60 LP |
3724 | if (getpeername_pretty(fd, &peer) >= 0) { |
3725 | ||
3726 | if (UNIT(s)->description) { | |
3727 | _cleanup_free_ char *a; | |
3728 | ||
3729 | a = strjoin(UNIT(s)->description, " (", peer, ")", NULL); | |
3730 | if (!a) | |
3731 | return -ENOMEM; | |
3732 | ||
3733 | r = unit_set_description(UNIT(s), a); | |
3734 | } else | |
3735 | r = unit_set_description(UNIT(s), peer); | |
3736 | ||
3737 | if (r < 0) | |
3738 | return r; | |
3739 | } | |
3740 | ||
4f2d528d | 3741 | s->socket_fd = fd; |
6cf6bbc2 | 3742 | |
57020a3a LP |
3743 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3744 | ||
3745 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3746 | } |
3747 | ||
fdf20a31 | 3748 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3749 | Service *s = SERVICE(u); |
3750 | ||
3751 | assert(s); | |
3752 | ||
fdf20a31 | 3753 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3754 | service_set_state(s, SERVICE_DEAD); |
3755 | ||
f42806df LP |
3756 | s->result = SERVICE_SUCCESS; |
3757 | s->reload_result = SERVICE_SUCCESS; | |
451b34cc LP |
3758 | |
3759 | RATELIMIT_RESET(s->start_limit); | |
5632e374 LP |
3760 | } |
3761 | ||
718db961 | 3762 | static int service_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) { |
8a0867d6 | 3763 | Service *s = SERVICE(u); |
41efeaec | 3764 | |
814cc562 | 3765 | return unit_kill_common(u, who, signo, s->main_pid, s->control_pid, error); |
8a0867d6 LP |
3766 | } |
3767 | ||
94f04347 LP |
3768 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3769 | [SERVICE_DEAD] = "dead", | |
3770 | [SERVICE_START_PRE] = "start-pre", | |
3771 | [SERVICE_START] = "start", | |
3772 | [SERVICE_START_POST] = "start-post", | |
3773 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3774 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3775 | [SERVICE_RELOAD] = "reload", |
3776 | [SERVICE_STOP] = "stop", | |
3777 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3778 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3779 | [SERVICE_STOP_POST] = "stop-post", | |
3780 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3781 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3782 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3783 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3784 | }; | |
3785 | ||
3786 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3787 | ||
3788 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3789 | [SERVICE_RESTART_NO] = "no", |
3790 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb | 3791 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
dc99a976 | 3792 | [SERVICE_RESTART_ON_WATCHDOG] = "on-watchdog", |
50caaedb LP |
3793 | [SERVICE_RESTART_ON_ABORT] = "on-abort", |
3794 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3795 | }; |
3796 | ||
3797 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3798 | ||
3799 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3800 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3801 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3802 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3803 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3804 | [SERVICE_NOTIFY] = "notify", |
3805 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3806 | }; |
3807 | ||
3808 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3809 | ||
e537352b | 3810 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3811 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3812 | [SERVICE_EXEC_START] = "ExecStart", | |
3813 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3814 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3815 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3816 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3817 | }; | |
3818 | ||
3819 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3820 | ||
c952c6ec LP |
3821 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3822 | [NOTIFY_NONE] = "none", | |
3823 | [NOTIFY_MAIN] = "main", | |
3824 | [NOTIFY_ALL] = "all" | |
3825 | }; | |
3826 | ||
3827 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3828 | ||
f42806df LP |
3829 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3830 | [SERVICE_SUCCESS] = "success", | |
3831 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3832 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3833 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3834 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b | 3835 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
8d1b002a LP |
3836 | [SERVICE_FAILURE_WATCHDOG] = "watchdog", |
3837 | [SERVICE_FAILURE_START_LIMIT] = "start-limit" | |
f42806df LP |
3838 | }; |
3839 | ||
3840 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3841 | ||
bf500566 MO |
3842 | static const char* const failure_action_table[_SERVICE_FAILURE_ACTION_MAX] = { |
3843 | [SERVICE_FAILURE_ACTION_NONE] = "none", | |
3844 | [SERVICE_FAILURE_ACTION_REBOOT] = "reboot", | |
3845 | [SERVICE_FAILURE_ACTION_REBOOT_FORCE] = "reboot-force", | |
3846 | [SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate" | |
4b939747 | 3847 | }; |
bf500566 | 3848 | DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction); |
4b939747 | 3849 | |
87f0e418 | 3850 | const UnitVTable service_vtable = { |
7d17cfbc | 3851 | .object_size = sizeof(Service), |
718db961 LP |
3852 | .exec_context_offset = offsetof(Service, exec_context), |
3853 | .cgroup_context_offset = offsetof(Service, cgroup_context), | |
3854 | .kill_context_offset = offsetof(Service, kill_context), | |
613b411c | 3855 | .exec_runtime_offset = offsetof(Service, exec_runtime), |
3ef63c31 | 3856 | |
f975e971 LP |
3857 | .sections = |
3858 | "Unit\0" | |
3859 | "Service\0" | |
3860 | "Install\0", | |
4ad49000 | 3861 | .private_section = "Service", |
71645aca | 3862 | |
034c6ed7 LP |
3863 | .init = service_init, |
3864 | .done = service_done, | |
a16e1123 LP |
3865 | .load = service_load, |
3866 | ||
3867 | .coldplug = service_coldplug, | |
034c6ed7 | 3868 | |
5cb5a6ff LP |
3869 | .dump = service_dump, |
3870 | ||
3871 | .start = service_start, | |
3872 | .stop = service_stop, | |
3873 | .reload = service_reload, | |
3874 | ||
034c6ed7 LP |
3875 | .can_reload = service_can_reload, |
3876 | ||
8a0867d6 LP |
3877 | .kill = service_kill, |
3878 | ||
a16e1123 LP |
3879 | .serialize = service_serialize, |
3880 | .deserialize_item = service_deserialize_item, | |
3881 | ||
5cb5a6ff | 3882 | .active_state = service_active_state, |
10a94420 | 3883 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3884 | |
701cc384 LP |
3885 | .check_gc = service_check_gc, |
3886 | .check_snapshot = service_check_snapshot, | |
3887 | ||
034c6ed7 | 3888 | .sigchld_event = service_sigchld_event, |
2c4104f0 | 3889 | |
fdf20a31 | 3890 | .reset_failed = service_reset_failed, |
5632e374 | 3891 | |
4ad49000 | 3892 | .notify_cgroup_empty = service_notify_cgroup_empty_event, |
8c47c732 | 3893 | .notify_message = service_notify_message, |
8e274523 | 3894 | |
05e343b7 | 3895 | .bus_name_owner_change = service_bus_name_owner_change, |
05e343b7 | 3896 | |
c4e2ceae | 3897 | .bus_interface = "org.freedesktop.systemd1.Service", |
718db961 | 3898 | .bus_vtable = bus_service_vtable, |
74c964d3 LP |
3899 | .bus_set_property = bus_service_set_property, |
3900 | .bus_commit_properties = bus_service_commit_properties, | |
4139c1b2 | 3901 | |
68db7a3b ZJS |
3902 | .get_timeout = service_get_timeout, |
3903 | ||
07459bb6 | 3904 | #ifdef HAVE_SYSV_COMPAT |
c6918296 | 3905 | .enumerate = service_enumerate, |
07459bb6 | 3906 | #endif |
718db961 LP |
3907 | |
3908 | .can_transient = true, | |
3909 | ||
c6918296 MS |
3910 | .status_message_formats = { |
3911 | .starting_stopping = { | |
3912 | [0] = "Starting %s...", | |
3913 | [1] = "Stopping %s...", | |
3914 | }, | |
3915 | .finished_start_job = { | |
3916 | [JOB_DONE] = "Started %s.", | |
3917 | [JOB_FAILED] = "Failed to start %s.", | |
3918 | [JOB_DEPENDENCY] = "Dependency failed for %s.", | |
3919 | [JOB_TIMEOUT] = "Timed out starting %s.", | |
3920 | }, | |
3921 | .finished_stop_job = { | |
3922 | [JOB_DONE] = "Stopped %s.", | |
3923 | [JOB_FAILED] = "Stopped (with error) %s.", | |
3924 | [JOB_TIMEOUT] = "Timed out stopping %s.", | |
3925 | }, | |
3926 | }, | |
5cb5a6ff | 3927 | }; |