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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> |
5cb5a6ff | 27 | |
4b939747 | 28 | #include "manager.h" |
87f0e418 | 29 | #include "unit.h" |
5cb5a6ff LP |
30 | #include "service.h" |
31 | #include "load-fragment.h" | |
32 | #include "load-dropin.h" | |
034c6ed7 | 33 | #include "log.h" |
2c4104f0 | 34 | #include "strv.h" |
9e2f7c11 | 35 | #include "unit-name.h" |
41f9172f | 36 | #include "unit-printf.h" |
4139c1b2 | 37 | #include "dbus-service.h" |
514f4ef5 | 38 | #include "special.h" |
398ef8ba | 39 | #include "bus-errors.h" |
9a57c629 | 40 | #include "exit-status.h" |
f6a6225e | 41 | #include "def.h" |
9eb977db | 42 | #include "path-util.h" |
f6a6225e | 43 | #include "util.h" |
7f110ff9 | 44 | #include "utf8.h" |
034c6ed7 | 45 | |
07459bb6 | 46 | #ifdef HAVE_SYSV_COMPAT |
f34277d9 | 47 | |
f6a6225e | 48 | #define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE) |
f34277d9 | 49 | |
09cd1ab1 LP |
50 | typedef enum RunlevelType { |
51 | RUNLEVEL_UP, | |
52 | RUNLEVEL_DOWN, | |
fc5df99e | 53 | RUNLEVEL_SYSINIT |
09cd1ab1 LP |
54 | } RunlevelType; |
55 | ||
56 | static const struct { | |
57 | const char *path; | |
58 | const char *target; | |
59 | const RunlevelType type; | |
60 | } rcnd_table[] = { | |
9d25f5ed | 61 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 62 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
63 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
64 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
65 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
66 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 67 | |
d4054675 | 68 | #ifdef TARGET_SUSE |
cfe243e3 | 69 | /* SUSE style boot.d */ |
fc5df99e | 70 | { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 71 | #endif |
fbe9f3a9 | 72 | |
240fc26e | 73 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
fbe9f3a9 | 74 | /* Debian style rcS.d */ |
fc5df99e | 75 | { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 76 | #endif |
9d25f5ed LP |
77 | |
78 | /* Standard SysV runlevels for shutdown */ | |
79 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
80 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
81 | ||
82 | /* Note that the order here matters, as we read the | |
83 | directories in this order, and we want to make sure that | |
84 | sysv_start_priority is known when we first load the | |
85 | unit. And that value we only know from S links. Hence | |
86 | UP/SYSINIT must be read before DOWN */ | |
23a177ef LP |
87 | }; |
88 | ||
09cd1ab1 | 89 | #define RUNLEVELS_UP "12345" |
fbe9f3a9 | 90 | /* #define RUNLEVELS_DOWN "06" */ |
e51db373 | 91 | #define RUNLEVELS_BOOT "bBsS" |
07459bb6 | 92 | #endif |
09cd1ab1 | 93 | |
acbb0225 | 94 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
95 | [SERVICE_DEAD] = UNIT_INACTIVE, |
96 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
97 | [SERVICE_START] = UNIT_ACTIVATING, | |
98 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
99 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 100 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 101 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
102 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
103 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
104 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
105 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
106 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
107 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 108 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 109 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 110 | }; |
5cb5a6ff | 111 | |
e056b01d LP |
112 | /* For Type=idle we never want to delay any other jobs, hence we |
113 | * consider idle jobs active as soon as we start working on them */ | |
114 | static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = { | |
115 | [SERVICE_DEAD] = UNIT_INACTIVE, | |
116 | [SERVICE_START_PRE] = UNIT_ACTIVE, | |
117 | [SERVICE_START] = UNIT_ACTIVE, | |
118 | [SERVICE_START_POST] = UNIT_ACTIVE, | |
119 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
120 | [SERVICE_EXITED] = UNIT_ACTIVE, | |
121 | [SERVICE_RELOAD] = UNIT_RELOADING, | |
122 | [SERVICE_STOP] = UNIT_DEACTIVATING, | |
123 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
124 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
125 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
126 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
127 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
128 | [SERVICE_FAILED] = UNIT_FAILED, | |
129 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING | |
130 | }; | |
131 | ||
a16e1123 LP |
132 | static void service_init(Unit *u) { |
133 | Service *s = SERVICE(u); | |
134 | ||
135 | assert(u); | |
ac155bb8 | 136 | assert(u->load_state == UNIT_STUB); |
a16e1123 | 137 | |
d568a335 MS |
138 | s->timeout_start_usec = DEFAULT_TIMEOUT_USEC; |
139 | s->timeout_stop_usec = DEFAULT_TIMEOUT_USEC; | |
a16e1123 | 140 | s->restart_usec = DEFAULT_RESTART_USEC; |
0b86feac | 141 | s->type = _SERVICE_TYPE_INVALID; |
bb242b7b MO |
142 | |
143 | s->watchdog_watch.type = WATCH_INVALID; | |
144 | ||
a16e1123 | 145 | s->timer_watch.type = WATCH_INVALID; |
07459bb6 | 146 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 147 | s->sysv_start_priority = -1; |
ea87ca5a | 148 | s->sysv_start_priority_from_rcnd = -1; |
07459bb6 | 149 | #endif |
a16e1123 | 150 | s->socket_fd = -1; |
3185a36b | 151 | s->guess_main_pid = true; |
a16e1123 LP |
152 | |
153 | exec_context_init(&s->exec_context); | |
4819ff03 | 154 | kill_context_init(&s->kill_context); |
a16e1123 | 155 | |
4b939747 | 156 | RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5); |
a16e1123 LP |
157 | |
158 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
159 | } | |
160 | ||
5e94833f LP |
161 | static void service_unwatch_control_pid(Service *s) { |
162 | assert(s); | |
163 | ||
164 | if (s->control_pid <= 0) | |
165 | return; | |
166 | ||
167 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
168 | s->control_pid = 0; | |
169 | } | |
170 | ||
171 | static void service_unwatch_main_pid(Service *s) { | |
172 | assert(s); | |
173 | ||
174 | if (s->main_pid <= 0) | |
175 | return; | |
176 | ||
177 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
178 | s->main_pid = 0; | |
179 | } | |
180 | ||
3e52541e MS |
181 | static void service_unwatch_pid_file(Service *s) { |
182 | if (!s->pid_file_pathspec) | |
183 | return; | |
184 | ||
185 | log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); | |
186 | path_spec_unwatch(s->pid_file_pathspec, UNIT(s)); | |
187 | path_spec_done(s->pid_file_pathspec); | |
188 | free(s->pid_file_pathspec); | |
189 | s->pid_file_pathspec = NULL; | |
190 | } | |
191 | ||
5925dd3c | 192 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
193 | pid_t ppid; |
194 | ||
5925dd3c LP |
195 | assert(s); |
196 | ||
197 | if (pid <= 1) | |
198 | return -EINVAL; | |
199 | ||
200 | if (pid == getpid()) | |
201 | return -EINVAL; | |
202 | ||
6dfa5494 LP |
203 | s->main_pid = pid; |
204 | s->main_pid_known = true; | |
205 | ||
206 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
e55224ca | 207 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", |
1124fe6f | 208 | UNIT(s)->id, (unsigned long) pid); |
e55224ca | 209 | |
6dfa5494 LP |
210 | s->main_pid_alien = true; |
211 | } else | |
212 | s->main_pid_alien = false; | |
5925dd3c | 213 | |
b58b4116 LP |
214 | exec_status_start(&s->main_exec_status, pid); |
215 | ||
5925dd3c LP |
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 | ||
225 | close_nointr_nofail(s->socket_fd); | |
226 | s->socket_fd = -1; | |
227 | } | |
228 | ||
6cf6bbc2 LP |
229 | static void service_connection_unref(Service *s) { |
230 | assert(s); | |
231 | ||
57020a3a | 232 | if (!UNIT_DEREF(s->accept_socket)) |
6cf6bbc2 LP |
233 | return; |
234 | ||
57020a3a LP |
235 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
236 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
237 | } |
238 | ||
a6927d7f MO |
239 | static void service_stop_watchdog(Service *s) { |
240 | assert(s); | |
241 | ||
bb242b7b | 242 | unit_unwatch_timer(UNIT(s), &s->watchdog_watch); |
a6927d7f MO |
243 | s->watchdog_timestamp.realtime = 0; |
244 | s->watchdog_timestamp.monotonic = 0; | |
245 | } | |
246 | ||
bb242b7b MO |
247 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart); |
248 | ||
249 | static void service_handle_watchdog(Service *s) { | |
250 | usec_t offset; | |
251 | int r; | |
252 | ||
253 | assert(s); | |
254 | ||
255 | if (s->watchdog_usec == 0) | |
256 | return; | |
257 | ||
258 | offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic; | |
259 | if (offset >= s->watchdog_usec) { | |
260 | log_error("%s watchdog timeout!", UNIT(s)->id); | |
261 | service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true); | |
262 | return; | |
263 | } | |
264 | ||
265 | r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch); | |
266 | if (r < 0) | |
267 | log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
268 | } | |
269 | ||
a6927d7f MO |
270 | static void service_reset_watchdog(Service *s) { |
271 | assert(s); | |
272 | ||
273 | dual_timestamp_get(&s->watchdog_timestamp); | |
bb242b7b | 274 | service_handle_watchdog(s); |
a6927d7f MO |
275 | } |
276 | ||
87f0e418 LP |
277 | static void service_done(Unit *u) { |
278 | Service *s = SERVICE(u); | |
44d8db9e LP |
279 | |
280 | assert(s); | |
281 | ||
282 | free(s->pid_file); | |
283 | s->pid_file = NULL; | |
284 | ||
07459bb6 | 285 | #ifdef HAVE_SYSV_COMPAT |
8309400a LP |
286 | free(s->sysv_runlevels); |
287 | s->sysv_runlevels = NULL; | |
07459bb6 | 288 | #endif |
8309400a | 289 | |
8c47c732 LP |
290 | free(s->status_text); |
291 | s->status_text = NULL; | |
292 | ||
44d8db9e | 293 | exec_context_done(&s->exec_context); |
e537352b | 294 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 295 | s->control_command = NULL; |
867b3b7d | 296 | s->main_command = NULL; |
44d8db9e | 297 | |
96342de6 LN |
298 | set_free(s->restart_ignore_status.code); |
299 | s->restart_ignore_status.code = NULL; | |
300 | set_free(s->restart_ignore_status.signal); | |
301 | s->restart_ignore_status.signal = NULL; | |
302 | ||
303 | set_free(s->success_status.code); | |
304 | s->success_status.code = NULL; | |
305 | set_free(s->success_status.signal); | |
306 | s->success_status.signal = NULL; | |
307 | ||
44d8db9e LP |
308 | /* This will leak a process, but at least no memory or any of |
309 | * our resources */ | |
5e94833f LP |
310 | service_unwatch_main_pid(s); |
311 | service_unwatch_control_pid(s); | |
3e52541e | 312 | service_unwatch_pid_file(s); |
44d8db9e | 313 | |
05e343b7 | 314 | if (s->bus_name) { |
ac155bb8 | 315 | unit_unwatch_bus_name(u, s->bus_name); |
05e343b7 LP |
316 | free(s->bus_name); |
317 | s->bus_name = NULL; | |
318 | } | |
319 | ||
4f2d528d | 320 | service_close_socket_fd(s); |
6cf6bbc2 | 321 | service_connection_unref(s); |
4f2d528d | 322 | |
57020a3a | 323 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 324 | |
bb242b7b MO |
325 | service_stop_watchdog(s); |
326 | ||
acbb0225 | 327 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
328 | } |
329 | ||
07459bb6 | 330 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
331 | static char *sysv_translate_name(const char *name) { |
332 | char *r; | |
333 | ||
334 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
335 | return NULL; | |
336 | ||
1bd8b818 | 337 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 MB |
338 | if (endswith(name, ".sh")) |
339 | /* Drop Debian-style .sh suffix */ | |
340 | strcpy(stpcpy(r, name) - 3, ".service"); | |
341 | #endif | |
342 | #ifdef TARGET_SUSE | |
b7ccee3c LP |
343 | if (startswith(name, "boot.")) |
344 | /* Drop SuSE-style boot. prefix */ | |
345 | strcpy(stpcpy(r, name + 5), ".service"); | |
5b819198 | 346 | #endif |
65530632 | 347 | #ifdef TARGET_FRUGALWARE |
5b819198 | 348 | if (startswith(name, "rc.")) |
65530632 MV |
349 | /* Drop Frugalware-style rc. prefix */ |
350 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 351 | #endif |
b7ccee3c LP |
352 | else |
353 | /* Normal init scripts */ | |
354 | strcpy(stpcpy(r, name), ".service"); | |
355 | ||
356 | return r; | |
357 | } | |
358 | ||
ee95669f | 359 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 360 | |
a7d3cc26 LP |
361 | /* We silently ignore the $ prefix here. According to the LSB |
362 | * spec it simply indicates whether something is a | |
363 | * standardized name or a distribution-specific one. Since we | |
364 | * just follow what already exists and do not introduce new | |
365 | * uses or names we don't care who introduced a new name. */ | |
366 | ||
2c4104f0 | 367 | static const char * const table[] = { |
6464aa08 | 368 | /* LSB defined facilities */ |
a7d3cc26 | 369 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
6fdae8a6 DM |
370 | #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) |
371 | #else | |
8d0e38a2 LP |
372 | /* Due to unfortunate name selection in Mandriva, |
373 | * $network is provided by network-up which is ordered | |
374 | * after network which actually starts interfaces. | |
375 | * To break the loop, just ignore it */ | |
a7d3cc26 | 376 | "network", SPECIAL_NETWORK_TARGET, |
1de4d79b | 377 | #endif |
a7d3cc26 LP |
378 | "named", SPECIAL_NSS_LOOKUP_TARGET, |
379 | "portmap", SPECIAL_RPCBIND_TARGET, | |
380 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
381 | "syslog", SPECIAL_SYSLOG_TARGET, | |
4466194c | 382 | "time", SPECIAL_TIME_SYNC_TARGET, |
6464aa08 | 383 | |
0b603b4e KS |
384 | /* common extensions */ |
385 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
386 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
387 | "null", NULL, | |
388 | ||
1bd8b818 | 389 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
a7d3cc26 | 390 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 391 | #endif |
3177a49c LP |
392 | |
393 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
394 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
395 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
396 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 397 | #endif |
a7d3cc26 | 398 | |
0b603b4e KS |
399 | #ifdef TARGET_SUSE |
400 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
401 | #endif | |
2c4104f0 LP |
402 | }; |
403 | ||
404 | unsigned i; | |
405 | char *r; | |
ee95669f | 406 | const char *n; |
2c4104f0 | 407 | |
ee95669f LP |
408 | assert(name); |
409 | assert(_r); | |
a7d3cc26 | 410 | |
ee95669f | 411 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 412 | |
ee95669f | 413 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 414 | |
ee95669f LP |
415 | if (!streq(table[i], n)) |
416 | continue; | |
2c4104f0 | 417 | |
ee95669f LP |
418 | if (!table[i+1]) |
419 | return 0; | |
420 | ||
421 | if (!(r = strdup(table[i+1]))) | |
422 | return -ENOMEM; | |
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 | ||
529 | static int sysv_exec_commands(Service *s) { | |
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 | ||
1b64d026 LP |
546 | c = exec_command_new(UNIT(s)->source_path, "reload"); |
547 | if (!c) | |
2c4104f0 LP |
548 | return -ENOMEM; |
549 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
550 | ||
551 | return 0; | |
552 | } | |
553 | ||
e537352b | 554 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
555 | FILE *f; |
556 | Unit *u; | |
557 | unsigned line = 0; | |
558 | int r; | |
559 | enum { | |
560 | NORMAL, | |
561 | DESCRIPTION, | |
562 | LSB, | |
563 | LSB_DESCRIPTION | |
564 | } state = NORMAL; | |
0b5d26f9 | 565 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
5f4b19f4 | 566 | struct stat st; |
23a177ef LP |
567 | |
568 | assert(s); | |
569 | assert(path); | |
2c4104f0 LP |
570 | |
571 | u = UNIT(s); | |
572 | ||
1b64d026 LP |
573 | f = fopen(path, "re"); |
574 | if (!f) { | |
2c4104f0 LP |
575 | r = errno == ENOENT ? 0 : -errno; |
576 | goto finish; | |
577 | } | |
578 | ||
5f4b19f4 LP |
579 | if (fstat(fileno(f), &st) < 0) { |
580 | r = -errno; | |
581 | goto finish; | |
582 | } | |
583 | ||
1b64d026 LP |
584 | free(u->source_path); |
585 | u->source_path = strdup(path); | |
586 | if (!u->source_path) { | |
2c4104f0 LP |
587 | r = -ENOMEM; |
588 | goto finish; | |
589 | } | |
1b64d026 | 590 | u->source_mtime = timespec_load(&st.st_mtim); |
5f4b19f4 LP |
591 | |
592 | if (null_or_empty(&st)) { | |
ac155bb8 | 593 | u->load_state = UNIT_MASKED; |
5f4b19f4 LP |
594 | r = 0; |
595 | goto finish; | |
596 | } | |
597 | ||
1b64d026 LP |
598 | s->is_sysv = true; |
599 | ||
2c4104f0 LP |
600 | while (!feof(f)) { |
601 | char l[LINE_MAX], *t; | |
602 | ||
603 | if (!fgets(l, sizeof(l), f)) { | |
604 | if (feof(f)) | |
605 | break; | |
606 | ||
607 | r = -errno; | |
608 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
609 | goto finish; | |
610 | } | |
611 | ||
612 | line++; | |
613 | ||
614 | t = strstrip(l); | |
615 | if (*t != '#') | |
616 | continue; | |
617 | ||
618 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
619 | state = LSB; | |
23a177ef | 620 | s->sysv_has_lsb = true; |
2c4104f0 LP |
621 | continue; |
622 | } | |
623 | ||
624 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
625 | state = NORMAL; | |
626 | continue; | |
627 | } | |
628 | ||
629 | t++; | |
630 | t += strspn(t, WHITESPACE); | |
631 | ||
632 | if (state == NORMAL) { | |
633 | ||
634 | /* Try to parse Red Hat style chkconfig headers */ | |
635 | ||
c2b35af6 | 636 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 637 | int start_priority; |
8309400a | 638 | char runlevels[16], *k; |
2c4104f0 LP |
639 | |
640 | state = NORMAL; | |
641 | ||
8309400a LP |
642 | if (sscanf(t+10, "%15s %i %*i", |
643 | runlevels, | |
644 | &start_priority) != 2) { | |
2c4104f0 LP |
645 | |
646 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
647 | continue; | |
648 | } | |
649 | ||
fbe9f3a9 LP |
650 | /* A start priority gathered from the |
651 | * symlink farms is preferred over the | |
652 | * data from the LSB header. */ | |
8309400a | 653 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 654 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
ea87ca5a | 655 | else |
8309400a LP |
656 | s->sysv_start_priority = start_priority; |
657 | ||
658 | char_array_0(runlevels); | |
659 | k = delete_chars(runlevels, WHITESPACE "-"); | |
660 | ||
661 | if (k[0]) { | |
662 | char *d; | |
663 | ||
664 | if (!(d = strdup(k))) { | |
665 | r = -ENOMEM; | |
666 | goto finish; | |
667 | } | |
668 | ||
669 | free(s->sysv_runlevels); | |
670 | s->sysv_runlevels = d; | |
2c4104f0 LP |
671 | } |
672 | ||
0b5d26f9 | 673 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
674 | |
675 | size_t k = strlen(t); | |
676 | char *d; | |
0b5d26f9 | 677 | const char *j; |
2c4104f0 LP |
678 | |
679 | if (t[k-1] == '\\') { | |
680 | state = DESCRIPTION; | |
681 | t[k-1] = 0; | |
682 | } | |
683 | ||
0b5d26f9 LP |
684 | if ((j = strstrip(t+12)) && *j) { |
685 | if (!(d = strdup(j))) { | |
686 | r = -ENOMEM; | |
687 | goto finish; | |
688 | } | |
689 | } else | |
690 | d = NULL; | |
2c4104f0 | 691 | |
0b5d26f9 LP |
692 | free(chkconfig_description); |
693 | chkconfig_description = d; | |
2c4104f0 | 694 | |
c2b35af6 | 695 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
696 | |
697 | char *fn; | |
698 | ||
699 | state = NORMAL; | |
700 | ||
701 | fn = strstrip(t+8); | |
702 | if (!path_is_absolute(fn)) { | |
703 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
704 | continue; | |
705 | } | |
706 | ||
707 | if (!(fn = strdup(fn))) { | |
708 | r = -ENOMEM; | |
709 | goto finish; | |
710 | } | |
711 | ||
712 | free(s->pid_file); | |
713 | s->pid_file = fn; | |
714 | } | |
715 | ||
716 | } else if (state == DESCRIPTION) { | |
717 | ||
718 | /* Try to parse Red Hat style description | |
719 | * continuation */ | |
720 | ||
721 | size_t k = strlen(t); | |
0b5d26f9 | 722 | char *j; |
2c4104f0 LP |
723 | |
724 | if (t[k-1] == '\\') | |
725 | t[k-1] = 0; | |
726 | else | |
727 | state = NORMAL; | |
728 | ||
0b5d26f9 LP |
729 | if ((j = strstrip(t)) && *j) { |
730 | char *d = NULL; | |
731 | ||
732 | if (chkconfig_description) | |
b7def684 | 733 | d = strjoin(chkconfig_description, " ", j, NULL); |
0b5d26f9 LP |
734 | else |
735 | d = strdup(j); | |
2c4104f0 | 736 | |
0b5d26f9 LP |
737 | if (!d) { |
738 | r = -ENOMEM; | |
739 | goto finish; | |
740 | } | |
741 | ||
742 | free(chkconfig_description); | |
743 | chkconfig_description = d; | |
744 | } | |
2c4104f0 LP |
745 | |
746 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
747 | ||
c2b35af6 | 748 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
749 | char *i, *w; |
750 | size_t z; | |
751 | ||
752 | state = LSB; | |
753 | ||
f60f22df | 754 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
755 | char *n, *m; |
756 | ||
757 | if (!(n = strndup(w, z))) { | |
758 | r = -ENOMEM; | |
759 | goto finish; | |
760 | } | |
761 | ||
9eb977db | 762 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 LP |
763 | free(n); |
764 | ||
765 | if (r < 0) | |
766 | goto finish; | |
767 | ||
768 | if (r == 0) | |
769 | continue; | |
770 | ||
bd77d0fc LP |
771 | if (unit_name_to_type(m) == UNIT_SERVICE) |
772 | r = unit_add_name(u, m); | |
9700edb4 LP |
773 | else |
774 | /* NB: SysV targets | |
775 | * which are provided | |
776 | * by a service are | |
777 | * pulled in by the | |
778 | * services, as an | |
779 | * indication that the | |
780 | * generic service is | |
781 | * now available. This | |
782 | * is strictly | |
783 | * one-way. The | |
784 | * targets do NOT pull | |
785 | * in the SysV | |
786 | * services! */ | |
787 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true); | |
bd77d0fc | 788 | |
2c4104f0 | 789 | if (r < 0) |
43a37549 | 790 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
791 | |
792 | free(m); | |
2c4104f0 LP |
793 | } |
794 | ||
c2b35af6 LP |
795 | } else if (startswith_no_case(t, "Required-Start:") || |
796 | startswith_no_case(t, "Should-Start:") || | |
797 | startswith_no_case(t, "X-Start-Before:") || | |
798 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
799 | char *i, *w; |
800 | size_t z; | |
801 | ||
802 | state = LSB; | |
803 | ||
f60f22df | 804 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
805 | char *n, *m; |
806 | ||
807 | if (!(n = strndup(w, z))) { | |
808 | r = -ENOMEM; | |
809 | goto finish; | |
810 | } | |
811 | ||
9eb977db | 812 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 | 813 | |
e83c7c0b LP |
814 | if (r < 0) { |
815 | log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r)); | |
816 | free(n); | |
817 | continue; | |
818 | } | |
819 | ||
820 | free(n); | |
2c4104f0 LP |
821 | |
822 | if (r == 0) | |
823 | continue; | |
824 | ||
c2b35af6 | 825 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
826 | |
827 | if (r < 0) | |
43a37549 | 828 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
829 | |
830 | free(m); | |
2c4104f0 | 831 | } |
c2b35af6 | 832 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
833 | char *k, *d; |
834 | ||
835 | state = LSB; | |
836 | ||
837 | k = delete_chars(t+14, WHITESPACE "-"); | |
838 | ||
839 | if (k[0] != 0) { | |
840 | if (!(d = strdup(k))) { | |
841 | r = -ENOMEM; | |
842 | goto finish; | |
843 | } | |
844 | ||
845 | free(s->sysv_runlevels); | |
846 | s->sysv_runlevels = d; | |
847 | } | |
2c4104f0 | 848 | |
0b5d26f9 LP |
849 | } else if (startswith_no_case(t, "Description:")) { |
850 | char *d, *j; | |
ed4c1cc6 | 851 | |
2c4104f0 LP |
852 | state = LSB_DESCRIPTION; |
853 | ||
0b5d26f9 LP |
854 | if ((j = strstrip(t+12)) && *j) { |
855 | if (!(d = strdup(j))) { | |
856 | r = -ENOMEM; | |
857 | goto finish; | |
858 | } | |
859 | } else | |
860 | d = NULL; | |
2c4104f0 | 861 | |
0b5d26f9 LP |
862 | free(long_description); |
863 | long_description = d; | |
2c4104f0 | 864 | |
ed4c1cc6 | 865 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 866 | char *d, *j; |
2c4104f0 | 867 | |
2c4104f0 LP |
868 | state = LSB; |
869 | ||
0b5d26f9 LP |
870 | if ((j = strstrip(t+18)) && *j) { |
871 | if (!(d = strdup(j))) { | |
872 | r = -ENOMEM; | |
873 | goto finish; | |
874 | } | |
875 | } else | |
876 | d = NULL; | |
2c4104f0 | 877 | |
0b5d26f9 LP |
878 | free(short_description); |
879 | short_description = d; | |
2c4104f0 LP |
880 | |
881 | } else if (state == LSB_DESCRIPTION) { | |
882 | ||
883 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 884 | char *j; |
2c4104f0 | 885 | |
0b5d26f9 LP |
886 | if ((j = strstrip(t)) && *j) { |
887 | char *d = NULL; | |
888 | ||
889 | if (long_description) | |
b7def684 | 890 | d = strjoin(long_description, " ", t, NULL); |
0b5d26f9 LP |
891 | else |
892 | d = strdup(j); | |
893 | ||
894 | if (!d) { | |
895 | r = -ENOMEM; | |
896 | goto finish; | |
897 | } | |
898 | ||
899 | free(long_description); | |
900 | long_description = d; | |
2c4104f0 LP |
901 | } |
902 | ||
2c4104f0 LP |
903 | } else |
904 | state = LSB; | |
905 | } | |
906 | } | |
907 | } | |
908 | ||
2c4104f0 LP |
909 | if ((r = sysv_exec_commands(s)) < 0) |
910 | goto finish; | |
e51db373 TFH |
911 | if (s->sysv_runlevels && |
912 | chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) && | |
913 | chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { | |
914 | /* Service has both boot and "up" runlevels | |
915 | configured. Kill the "up" ones. */ | |
916 | delete_chars(s->sysv_runlevels, RUNLEVELS_UP); | |
917 | } | |
2c4104f0 | 918 | |
a40eb732 | 919 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
920 | /* If there a runlevels configured for this service |
921 | * but none of the standard ones, then we assume this | |
922 | * is some special kind of service (which might be | |
923 | * needed for early boot) and don't create any links | |
924 | * to it. */ | |
925 | ||
1124fe6f | 926 | UNIT(s)->default_dependencies = false; |
09cd1ab1 | 927 | |
09cd1ab1 | 928 | /* Don't timeout special services during boot (like fsck) */ |
d568a335 MS |
929 | s->timeout_start_usec = 0; |
930 | s->timeout_stop_usec = 0; | |
931 | } else { | |
932 | s->timeout_start_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
933 | s->timeout_stop_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
934 | } | |
935 | ||
80876c20 | 936 | /* Special setting for all SysV services */ |
1f48cf56 | 937 | s->type = SERVICE_FORKING; |
f8788303 | 938 | s->remain_after_exit = !s->pid_file; |
1835f23c | 939 | s->guess_main_pid = false; |
525ee6f4 | 940 | s->restart = SERVICE_RESTART_NO; |
353e12c2 | 941 | s->exec_context.ignore_sigpipe = false; |
4819ff03 | 942 | s->kill_context.kill_mode = KILL_PROCESS; |
80876c20 | 943 | |
0b5d26f9 LP |
944 | /* We use the long description only if |
945 | * no short description is set. */ | |
946 | ||
947 | if (short_description) | |
948 | description = short_description; | |
949 | else if (chkconfig_description) | |
950 | description = chkconfig_description; | |
951 | else if (long_description) | |
952 | description = long_description; | |
953 | else | |
954 | description = NULL; | |
955 | ||
956 | if (description) { | |
957 | char *d; | |
958 | ||
e527618d | 959 | if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) { |
0b5d26f9 LP |
960 | r = -ENOMEM; |
961 | goto finish; | |
962 | } | |
963 | ||
ac155bb8 | 964 | u->description = d; |
0b5d26f9 LP |
965 | } |
966 | ||
ea87ca5a LP |
967 | /* The priority that has been set in /etc/rcN.d/ hierarchies |
968 | * takes precedence over what is stored as default in the LSB | |
969 | * header */ | |
970 | if (s->sysv_start_priority_from_rcnd >= 0) | |
971 | s->sysv_start_priority = s->sysv_start_priority_from_rcnd; | |
972 | ||
ac155bb8 | 973 | u->load_state = UNIT_LOADED; |
23a177ef | 974 | r = 0; |
2c4104f0 LP |
975 | |
976 | finish: | |
977 | ||
978 | if (f) | |
979 | fclose(f); | |
980 | ||
0b5d26f9 LP |
981 | free(short_description); |
982 | free(long_description); | |
983 | free(chkconfig_description); | |
984 | ||
2c4104f0 LP |
985 | return r; |
986 | } | |
987 | ||
e537352b | 988 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
989 | char **p; |
990 | ||
991 | assert(s); | |
992 | assert(name); | |
993 | ||
e1992852 | 994 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca | 995 | * prefixes/suffixes. */ |
1bd8b818 | 996 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 | 997 | if (endswith(name, ".sh.service")) |
d017c6ca | 998 | return -ENOENT; |
5b819198 MB |
999 | #endif |
1000 | ||
1001 | #ifdef TARGET_SUSE | |
1002 | if (startswith(name, "boot.")) | |
1003 | return -ENOENT; | |
1004 | #endif | |
1005 | ||
1006 | #ifdef TARGET_FRUGALWARE | |
1007 | if (startswith(name, "rc.")) | |
1008 | return -ENOENT; | |
1009 | #endif | |
d017c6ca | 1010 | |
1124fe6f | 1011 | STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
1012 | char *path; |
1013 | int r; | |
1014 | ||
b7def684 | 1015 | path = strjoin(*p, "/", name, NULL); |
44d91056 | 1016 | if (!path) |
2c4104f0 LP |
1017 | return -ENOMEM; |
1018 | ||
1019 | assert(endswith(path, ".service")); | |
1020 | path[strlen(path)-8] = 0; | |
1021 | ||
e537352b | 1022 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 1023 | |
1bd8b818 | 1024 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
1124fe6f | 1025 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1026 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
1027 | strcat(path, ".sh"); |
1028 | r = service_load_sysv_path(s, path); | |
1029 | } | |
e1992852 | 1030 | #endif |
2c4104f0 LP |
1031 | free(path); |
1032 | ||
e1992852 | 1033 | #ifdef TARGET_SUSE |
1124fe6f | 1034 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1035 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 | 1036 | |
b7def684 | 1037 | path = strjoin(*p, "/boot.", name, NULL); |
44d91056 | 1038 | if (!path) |
fbe9f3a9 LP |
1039 | return -ENOMEM; |
1040 | ||
e1992852 | 1041 | /* Drop .service suffix */ |
fbe9f3a9 LP |
1042 | path[strlen(path)-8] = 0; |
1043 | r = service_load_sysv_path(s, path); | |
1044 | free(path); | |
1045 | } | |
e1992852 | 1046 | #endif |
fbe9f3a9 | 1047 | |
e1992852 | 1048 | #ifdef TARGET_FRUGALWARE |
1124fe6f | 1049 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1050 | /* Try Frugalware style rc.* init scripts */ |
65530632 | 1051 | |
b7def684 | 1052 | path = strjoin(*p, "/rc.", name, NULL); |
44d91056 | 1053 | if (!path) |
65530632 MV |
1054 | return -ENOMEM; |
1055 | ||
e1992852 | 1056 | /* Drop .service suffix */ |
65530632 MV |
1057 | path[strlen(path)-8] = 0; |
1058 | r = service_load_sysv_path(s, path); | |
1059 | free(path); | |
1060 | } | |
e1992852 | 1061 | #endif |
65530632 | 1062 | |
23a177ef | 1063 | if (r < 0) |
2c4104f0 | 1064 | return r; |
23a177ef | 1065 | |
1124fe6f | 1066 | if ((UNIT(s)->load_state != UNIT_STUB)) |
23a177ef | 1067 | break; |
2c4104f0 LP |
1068 | } |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
e537352b | 1073 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
1074 | const char *t; |
1075 | Iterator i; | |
1076 | int r; | |
1077 | ||
5cb5a6ff LP |
1078 | assert(s); |
1079 | ||
1080 | /* Load service data from SysV init scripts, preferably with | |
1081 | * LSB headers ... */ | |
1082 | ||
1124fe6f | 1083 | if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
1084 | return 0; |
1085 | ||
1124fe6f | 1086 | if ((t = UNIT(s)->id)) |
e537352b | 1087 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
1088 | return r; |
1089 | ||
1124fe6f MS |
1090 | if (UNIT(s)->load_state == UNIT_STUB) |
1091 | SET_FOREACH(t, UNIT(s)->names, i) { | |
1092 | if (t == UNIT(s)->id) | |
e537352b LP |
1093 | continue; |
1094 | ||
e364ad06 | 1095 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
1096 | return r; |
1097 | ||
1124fe6f | 1098 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef LP |
1099 | break; |
1100 | } | |
2c4104f0 LP |
1101 | |
1102 | return 0; | |
5cb5a6ff | 1103 | } |
07459bb6 | 1104 | #endif |
5cb5a6ff | 1105 | |
9fff8a1f | 1106 | static int fsck_fix_order(Service *s) { |
ac155bb8 | 1107 | Unit *other; |
9fff8a1f LP |
1108 | int r; |
1109 | ||
1110 | assert(s); | |
1111 | ||
1112 | if (s->fsck_passno <= 0) | |
1113 | return 0; | |
1114 | ||
1115 | /* For each pair of services where both have an fsck priority | |
1116 | * we order things based on it. */ | |
1117 | ||
1124fe6f | 1118 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
9fff8a1f LP |
1119 | Service *t; |
1120 | UnitDependency d; | |
1121 | ||
595ed347 | 1122 | t = SERVICE(other); |
9fff8a1f LP |
1123 | |
1124 | if (s == t) | |
1125 | continue; | |
1126 | ||
1124fe6f | 1127 | if (UNIT(t)->load_state != UNIT_LOADED) |
9fff8a1f LP |
1128 | continue; |
1129 | ||
1130 | if (t->fsck_passno <= 0) | |
1131 | continue; | |
1132 | ||
1133 | if (t->fsck_passno < s->fsck_passno) | |
1134 | d = UNIT_AFTER; | |
1135 | else if (t->fsck_passno > s->fsck_passno) | |
1136 | d = UNIT_BEFORE; | |
1137 | else | |
1138 | continue; | |
1139 | ||
da19d5c1 | 1140 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
9fff8a1f LP |
1141 | return r; |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
243b1432 LP |
1147 | static int service_verify(Service *s) { |
1148 | assert(s); | |
1149 | ||
1124fe6f | 1150 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
1151 | return 0; |
1152 | ||
1153 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
1124fe6f | 1154 | log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id); |
243b1432 LP |
1155 | return -EINVAL; |
1156 | } | |
1157 | ||
34e9ba66 LP |
1158 | if (s->type != SERVICE_ONESHOT && |
1159 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1124fe6f | 1160 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
6cf6bbc2 LP |
1161 | return -EINVAL; |
1162 | } | |
1163 | ||
05e343b7 | 1164 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
1124fe6f | 1165 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id); |
4d0e5dbd LP |
1166 | return -EINVAL; |
1167 | } | |
1168 | ||
7e2668c6 LP |
1169 | if (s->bus_name && s->type != SERVICE_DBUS) |
1170 | log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id); | |
1171 | ||
4819ff03 | 1172 | if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) { |
1124fe6f | 1173 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id); |
05e343b7 LP |
1174 | return -EINVAL; |
1175 | } | |
1176 | ||
243b1432 LP |
1177 | return 0; |
1178 | } | |
1179 | ||
a40eb732 LP |
1180 | static int service_add_default_dependencies(Service *s) { |
1181 | int r; | |
1182 | ||
1183 | assert(s); | |
1184 | ||
1185 | /* Add a number of automatic dependencies useful for the | |
1186 | * majority of services. */ | |
1187 | ||
1188 | /* First, pull in base system */ | |
67445f4e | 1189 | if (UNIT(s)->manager->running_as == SYSTEMD_SYSTEM) { |
a40eb732 LP |
1190 | |
1191 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1192 | return r; | |
1193 | ||
67445f4e | 1194 | } else if (UNIT(s)->manager->running_as == SYSTEMD_USER) { |
a40eb732 LP |
1195 | |
1196 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1197 | return r; | |
1198 | } | |
1199 | ||
1200 | /* Second, activate normal shutdown */ | |
ead8e478 | 1201 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1202 | } |
1203 | ||
4dfc092a LP |
1204 | static void service_fix_output(Service *s) { |
1205 | assert(s); | |
1206 | ||
1207 | /* If nothing has been explicitly configured, patch default | |
1208 | * output in. If input is socket/tty we avoid this however, | |
1209 | * since in that case we want output to default to the same | |
1210 | * place as we read input from. */ | |
1211 | ||
1212 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
1213 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1214 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1215 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
1216 | |
1217 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1218 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1219 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
1220 | } |
1221 | ||
e537352b LP |
1222 | static int service_load(Unit *u) { |
1223 | int r; | |
1224 | Service *s = SERVICE(u); | |
1225 | ||
1226 | assert(s); | |
1e2e8133 | 1227 | |
5cb5a6ff | 1228 | /* Load a .service file */ |
e537352b | 1229 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1230 | return r; |
1231 | ||
07459bb6 | 1232 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1233 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
ac155bb8 | 1234 | if (u->load_state == UNIT_STUB) |
e537352b | 1235 | if ((r = service_load_sysv(s)) < 0) |
23a177ef | 1236 | return r; |
07459bb6 | 1237 | #endif |
d46de8a1 | 1238 | |
23a177ef | 1239 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 1240 | if (u->load_state == UNIT_STUB) |
23a177ef | 1241 | return -ENOENT; |
034c6ed7 | 1242 | |
23a177ef LP |
1243 | /* We were able to load something, then let's add in the |
1244 | * dropin directories. */ | |
1245 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1246 | return r; |
23a177ef LP |
1247 | |
1248 | /* This is a new unit? Then let's add in some extras */ | |
ac155bb8 | 1249 | if (u->load_state == UNIT_LOADED) { |
0b86feac LP |
1250 | if (s->type == _SERVICE_TYPE_INVALID) |
1251 | s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; | |
1252 | ||
d568a335 MS |
1253 | /* Oneshot services have disabled start timeout by default */ |
1254 | if (s->type == SERVICE_ONESHOT && !s->start_timeout_defined) | |
1255 | s->timeout_start_usec = 0; | |
98709151 | 1256 | |
4e2b0f9b LP |
1257 | service_fix_output(s); |
1258 | ||
23a177ef LP |
1259 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1260 | return r; | |
1261 | ||
d686d8a9 | 1262 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1263 | return r; |
1264 | ||
07459bb6 | 1265 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1266 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1267 | return r; |
07459bb6 | 1268 | #endif |
05e343b7 | 1269 | |
9fff8a1f LP |
1270 | if ((r = fsck_fix_order(s)) < 0) |
1271 | return r; | |
1272 | ||
ee0dd802 | 1273 | if (s->bus_name) |
05e343b7 | 1274 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1275 | return r; |
c952c6ec LP |
1276 | |
1277 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1278 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 | 1279 | |
02c4ef9c LP |
1280 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) |
1281 | s->notify_access = NOTIFY_MAIN; | |
1282 | ||
a40eb732 | 1283 | if (s->type == SERVICE_DBUS || s->bus_name) |
177b3ffe | 1284 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0) |
a40eb732 LP |
1285 | return r; |
1286 | ||
1124fe6f | 1287 | if (UNIT(s)->default_dependencies) |
a40eb732 LP |
1288 | if ((r = service_add_default_dependencies(s)) < 0) |
1289 | return r; | |
e06c73cc | 1290 | |
cba6e062 | 1291 | r = unit_exec_context_defaults(u, &s->exec_context); |
e06c73cc LP |
1292 | if (r < 0) |
1293 | return r; | |
8e274523 LP |
1294 | } |
1295 | ||
243b1432 | 1296 | return service_verify(s); |
034c6ed7 LP |
1297 | } |
1298 | ||
87f0e418 | 1299 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1300 | |
5cb5a6ff | 1301 | ServiceExecCommand c; |
87f0e418 | 1302 | Service *s = SERVICE(u); |
47be870b LP |
1303 | const char *prefix2; |
1304 | char *p2; | |
5cb5a6ff LP |
1305 | |
1306 | assert(s); | |
1307 | ||
47be870b LP |
1308 | p2 = strappend(prefix, "\t"); |
1309 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1310 | |
5cb5a6ff | 1311 | fprintf(f, |
81a2b7ce | 1312 | "%sService State: %s\n" |
f42806df LP |
1313 | "%sResult: %s\n" |
1314 | "%sReload Result: %s\n" | |
81a2b7ce | 1315 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 1316 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1317 | "%sRemainAfterExit: %s\n" |
3185a36b | 1318 | "%sGuessMainPID: %s\n" |
c952c6ec | 1319 | "%sType: %s\n" |
2cf3143a | 1320 | "%sRestart: %s\n" |
c952c6ec | 1321 | "%sNotifyAccess: %s\n", |
81a2b7ce | 1322 | prefix, service_state_to_string(s->state), |
f42806df LP |
1323 | prefix, service_result_to_string(s->result), |
1324 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 1325 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 1326 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1327 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 1328 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 1329 | prefix, service_type_to_string(s->type), |
2cf3143a | 1330 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1331 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1332 | |
70123e68 LP |
1333 | if (s->control_pid > 0) |
1334 | fprintf(f, | |
bb00e604 LP |
1335 | "%sControl PID: %lu\n", |
1336 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1337 | |
1338 | if (s->main_pid > 0) | |
1339 | fprintf(f, | |
6dfa5494 LP |
1340 | "%sMain PID: %lu\n" |
1341 | "%sMain PID Known: %s\n" | |
1342 | "%sMain PID Alien: %s\n", | |
1343 | prefix, (unsigned long) s->main_pid, | |
1344 | prefix, yes_no(s->main_pid_known), | |
1345 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 1346 | |
034c6ed7 LP |
1347 | if (s->pid_file) |
1348 | fprintf(f, | |
1349 | "%sPIDFile: %s\n", | |
1350 | prefix, s->pid_file); | |
1351 | ||
05e343b7 LP |
1352 | if (s->bus_name) |
1353 | fprintf(f, | |
1354 | "%sBusName: %s\n" | |
1355 | "%sBus Name Good: %s\n", | |
1356 | prefix, s->bus_name, | |
1357 | prefix, yes_no(s->bus_name_good)); | |
1358 | ||
4819ff03 | 1359 | kill_context_dump(&s->kill_context, f, prefix); |
5cb5a6ff LP |
1360 | exec_context_dump(&s->exec_context, f, prefix); |
1361 | ||
e537352b | 1362 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1363 | |
44d8db9e LP |
1364 | if (!s->exec_command[c]) |
1365 | continue; | |
1366 | ||
40d50879 | 1367 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1368 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1369 | |
1370 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1371 | } |
44d8db9e | 1372 | |
07459bb6 | 1373 | #ifdef HAVE_SYSV_COMPAT |
1b64d026 | 1374 | if (s->is_sysv) |
2c4104f0 | 1375 | fprintf(f, |
9fff8a1f LP |
1376 | "%sSysV Init Script has LSB Header: %s\n" |
1377 | "%sSysVEnabled: %s\n", | |
9fff8a1f LP |
1378 | prefix, yes_no(s->sysv_has_lsb), |
1379 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1380 | |
1381 | if (s->sysv_start_priority >= 0) | |
1382 | fprintf(f, | |
9fff8a1f LP |
1383 | "%sSysVStartPriority: %i\n", |
1384 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1385 | |
8309400a LP |
1386 | if (s->sysv_runlevels) |
1387 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1388 | prefix, s->sysv_runlevels); | |
07459bb6 | 1389 | #endif |
23a177ef | 1390 | |
9fff8a1f LP |
1391 | if (s->fsck_passno > 0) |
1392 | fprintf(f, | |
1393 | "%sFsckPassNo: %i\n", | |
1394 | prefix, s->fsck_passno); | |
1395 | ||
8c47c732 LP |
1396 | if (s->status_text) |
1397 | fprintf(f, "%sStatus Text: %s\n", | |
1398 | prefix, s->status_text); | |
1399 | ||
47be870b | 1400 | free(p2); |
5cb5a6ff LP |
1401 | } |
1402 | ||
c5419d42 | 1403 | static int service_load_pid_file(Service *s, bool may_warn) { |
034c6ed7 | 1404 | char *k; |
034c6ed7 | 1405 | int r; |
5925dd3c | 1406 | pid_t pid; |
034c6ed7 LP |
1407 | |
1408 | assert(s); | |
1409 | ||
034c6ed7 | 1410 | if (!s->pid_file) |
13230d5d | 1411 | return -ENOENT; |
034c6ed7 | 1412 | |
5375410b | 1413 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) { |
c5419d42 | 1414 | if (may_warn) |
3a111838 MS |
1415 | log_info("PID file %s not readable (yet?) after %s.", |
1416 | s->pid_file, service_state_to_string(s->state)); | |
034c6ed7 | 1417 | return r; |
5375410b | 1418 | } |
034c6ed7 | 1419 | |
5925dd3c LP |
1420 | r = parse_pid(k, &pid); |
1421 | free(k); | |
034c6ed7 | 1422 | |
5925dd3c LP |
1423 | if (r < 0) |
1424 | return r; | |
406eaf93 | 1425 | |
5925dd3c | 1426 | if (kill(pid, 0) < 0 && errno != EPERM) { |
c5419d42 | 1427 | if (may_warn) |
3a111838 MS |
1428 | log_info("PID %lu read from file %s does not exist.", |
1429 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1430 | return -ESRCH; |
1431 | } | |
1432 | ||
db01f8b3 MS |
1433 | if (s->main_pid_known) { |
1434 | if (pid == s->main_pid) | |
1435 | return 0; | |
1436 | ||
1437 | log_debug("Main PID changing: %lu -> %lu", | |
1438 | (unsigned long) s->main_pid, (unsigned long) pid); | |
1439 | service_unwatch_main_pid(s); | |
1440 | s->main_pid_known = false; | |
3a111838 MS |
1441 | } else |
1442 | log_debug("Main PID loaded: %lu", (unsigned long) pid); | |
db01f8b3 | 1443 | |
5925dd3c | 1444 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1445 | return r; |
1446 | ||
5925dd3c LP |
1447 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1448 | /* FIXME: we need to do something here */ | |
1449 | return r; | |
034c6ed7 LP |
1450 | |
1451 | return 0; | |
1452 | } | |
1453 | ||
4fbf50b3 LP |
1454 | static int service_search_main_pid(Service *s) { |
1455 | pid_t pid; | |
1456 | int r; | |
1457 | ||
1458 | assert(s); | |
1459 | ||
3185a36b LP |
1460 | /* If we know it anyway, don't ever fallback to unreliable |
1461 | * heuristics */ | |
4fbf50b3 LP |
1462 | if (s->main_pid_known) |
1463 | return 0; | |
1464 | ||
3185a36b LP |
1465 | if (!s->guess_main_pid) |
1466 | return 0; | |
1467 | ||
4fbf50b3 LP |
1468 | assert(s->main_pid <= 0); |
1469 | ||
1124fe6f | 1470 | if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0) |
4fbf50b3 LP |
1471 | return -ENOENT; |
1472 | ||
3a111838 | 1473 | log_debug("Main PID guessed: %lu", (unsigned long) pid); |
4fbf50b3 LP |
1474 | if ((r = service_set_main_pid(s, pid)) < 0) |
1475 | return r; | |
1476 | ||
1477 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1478 | /* FIXME: we need to do something here */ | |
1479 | return r; | |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
6bda96a0 | 1484 | static void service_notify_sockets_dead(Service *s, bool failed_permanent) { |
ceee3d82 | 1485 | Iterator i; |
57020a3a | 1486 | Unit *u; |
3e33402a LP |
1487 | |
1488 | assert(s); | |
1489 | ||
f976f3f6 LP |
1490 | /* Notifies all our sockets when we die */ |
1491 | ||
6cf6bbc2 | 1492 | if (s->socket_fd >= 0) |
57020a3a | 1493 | return; |
3e33402a | 1494 | |
1124fe6f | 1495 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) |
ac155bb8 | 1496 | if (u->type == UNIT_SOCKET) |
6bda96a0 | 1497 | socket_notify_service_dead(SOCKET(u), failed_permanent); |
3e33402a | 1498 | |
57020a3a | 1499 | return; |
ceee3d82 LP |
1500 | } |
1501 | ||
034c6ed7 LP |
1502 | static void service_set_state(Service *s, ServiceState state) { |
1503 | ServiceState old_state; | |
e056b01d | 1504 | const UnitActiveState *table; |
5cb5a6ff LP |
1505 | assert(s); |
1506 | ||
e056b01d LP |
1507 | table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
1508 | ||
034c6ed7 | 1509 | old_state = s->state; |
5cb5a6ff | 1510 | s->state = state; |
034c6ed7 | 1511 | |
3a111838 MS |
1512 | service_unwatch_pid_file(s); |
1513 | ||
034c6ed7 LP |
1514 | if (state != SERVICE_START_PRE && |
1515 | state != SERVICE_START && | |
1516 | state != SERVICE_START_POST && | |
1517 | state != SERVICE_RELOAD && | |
1518 | state != SERVICE_STOP && | |
1519 | state != SERVICE_STOP_SIGTERM && | |
1520 | state != SERVICE_STOP_SIGKILL && | |
1521 | state != SERVICE_STOP_POST && | |
1522 | state != SERVICE_FINAL_SIGTERM && | |
1523 | state != SERVICE_FINAL_SIGKILL && | |
1524 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1525 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1526 | |
7d55e835 LP |
1527 | if (state != SERVICE_START && |
1528 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1529 | state != SERVICE_RUNNING && |
1530 | state != SERVICE_RELOAD && | |
1531 | state != SERVICE_STOP && | |
1532 | state != SERVICE_STOP_SIGTERM && | |
867b3b7d | 1533 | state != SERVICE_STOP_SIGKILL) { |
5e94833f | 1534 | service_unwatch_main_pid(s); |
867b3b7d LP |
1535 | s->main_command = NULL; |
1536 | } | |
034c6ed7 LP |
1537 | |
1538 | if (state != SERVICE_START_PRE && | |
1539 | state != SERVICE_START && | |
1540 | state != SERVICE_START_POST && | |
1541 | state != SERVICE_RELOAD && | |
1542 | state != SERVICE_STOP && | |
1543 | state != SERVICE_STOP_SIGTERM && | |
1544 | state != SERVICE_STOP_SIGKILL && | |
1545 | state != SERVICE_STOP_POST && | |
1546 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1547 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1548 | service_unwatch_control_pid(s); |
034c6ed7 | 1549 | s->control_command = NULL; |
a16e1123 | 1550 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1551 | } |
034c6ed7 | 1552 | |
ceee3d82 LP |
1553 | if (state == SERVICE_DEAD || |
1554 | state == SERVICE_STOP || | |
1555 | state == SERVICE_STOP_SIGTERM || | |
1556 | state == SERVICE_STOP_SIGKILL || | |
1557 | state == SERVICE_STOP_POST || | |
1558 | state == SERVICE_FINAL_SIGTERM || | |
1559 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1560 | state == SERVICE_FAILED || |
ceee3d82 | 1561 | state == SERVICE_AUTO_RESTART) |
c2f34808 | 1562 | service_notify_sockets_dead(s, false); |
ceee3d82 | 1563 | |
4f2d528d LP |
1564 | if (state != SERVICE_START_PRE && |
1565 | state != SERVICE_START && | |
6cf6bbc2 LP |
1566 | state != SERVICE_START_POST && |
1567 | state != SERVICE_RUNNING && | |
1568 | state != SERVICE_RELOAD && | |
1569 | state != SERVICE_STOP && | |
1570 | state != SERVICE_STOP_SIGTERM && | |
1571 | state != SERVICE_STOP_SIGKILL && | |
1572 | state != SERVICE_STOP_POST && | |
1573 | state != SERVICE_FINAL_SIGTERM && | |
1574 | state != SERVICE_FINAL_SIGKILL && | |
1124fe6f | 1575 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 1576 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1577 | service_connection_unref(s); |
1578 | } | |
4f2d528d | 1579 | |
a6927d7f MO |
1580 | if (state == SERVICE_STOP) |
1581 | service_stop_watchdog(s); | |
1582 | ||
f6023656 LP |
1583 | /* For the inactive states unit_notify() will trim the cgroup, |
1584 | * but for exit we have to do that ourselves... */ | |
1124fe6f MS |
1585 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
1586 | cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true); | |
f6023656 | 1587 | |
e537352b | 1588 | if (old_state != state) |
1124fe6f | 1589 | log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 1590 | |
e056b01d | 1591 | unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); |
f42806df | 1592 | s->reload_result = SERVICE_SUCCESS; |
034c6ed7 LP |
1593 | } |
1594 | ||
a16e1123 LP |
1595 | static int service_coldplug(Unit *u) { |
1596 | Service *s = SERVICE(u); | |
1597 | int r; | |
1598 | ||
1599 | assert(s); | |
1600 | assert(s->state == SERVICE_DEAD); | |
1601 | ||
1602 | if (s->deserialized_state != s->state) { | |
1603 | ||
1604 | if (s->deserialized_state == SERVICE_START_PRE || | |
1605 | s->deserialized_state == SERVICE_START || | |
1606 | s->deserialized_state == SERVICE_START_POST || | |
1607 | s->deserialized_state == SERVICE_RELOAD || | |
1608 | s->deserialized_state == SERVICE_STOP || | |
1609 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1610 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1611 | s->deserialized_state == SERVICE_STOP_POST || | |
1612 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1613 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f | 1614 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
d568a335 | 1615 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_start_usec > 0) { |
e558336f LP |
1616 | usec_t k; |
1617 | ||
d568a335 | 1618 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_start_usec; |
e558336f LP |
1619 | |
1620 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1621 | return r; | |
1622 | } | |
1623 | } | |
a16e1123 LP |
1624 | |
1625 | if ((s->deserialized_state == SERVICE_START && | |
1626 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1627 | s->type == SERVICE_DBUS || |
34e9ba66 | 1628 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1629 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1630 | s->deserialized_state == SERVICE_START_POST || |
1631 | s->deserialized_state == SERVICE_RUNNING || | |
1632 | s->deserialized_state == SERVICE_RELOAD || | |
1633 | s->deserialized_state == SERVICE_STOP || | |
1634 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1635 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1636 | if (s->main_pid > 0) | |
1637 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1638 | return r; | |
1639 | ||
1640 | if (s->deserialized_state == SERVICE_START_PRE || | |
1641 | s->deserialized_state == SERVICE_START || | |
1642 | s->deserialized_state == SERVICE_START_POST || | |
1643 | s->deserialized_state == SERVICE_RELOAD || | |
1644 | s->deserialized_state == SERVICE_STOP || | |
1645 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1646 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1647 | s->deserialized_state == SERVICE_STOP_POST || | |
1648 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1649 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1650 | if (s->control_pid > 0) | |
1651 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1652 | return r; | |
1653 | ||
bb242b7b MO |
1654 | if (s->deserialized_state == SERVICE_START_POST || |
1655 | s->deserialized_state == SERVICE_RUNNING) | |
1656 | service_handle_watchdog(s); | |
1657 | ||
a16e1123 LP |
1658 | service_set_state(s, s->deserialized_state); |
1659 | } | |
a16e1123 LP |
1660 | return 0; |
1661 | } | |
1662 | ||
44d8db9e LP |
1663 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1664 | Iterator i; | |
1665 | int r; | |
1666 | int *rfds = NULL; | |
1667 | unsigned rn_fds = 0; | |
57020a3a | 1668 | Unit *u; |
44d8db9e LP |
1669 | |
1670 | assert(s); | |
1671 | assert(fds); | |
1672 | assert(n_fds); | |
1673 | ||
6cf6bbc2 LP |
1674 | if (s->socket_fd >= 0) |
1675 | return 0; | |
1676 | ||
1124fe6f | 1677 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
44d8db9e LP |
1678 | int *cfds; |
1679 | unsigned cn_fds; | |
57020a3a LP |
1680 | Socket *sock; |
1681 | ||
ac155bb8 | 1682 | if (u->type != UNIT_SOCKET) |
57020a3a LP |
1683 | continue; |
1684 | ||
1685 | sock = SOCKET(u); | |
44d8db9e | 1686 | |
47be870b | 1687 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1688 | goto fail; |
1689 | ||
1690 | if (!cfds) | |
1691 | continue; | |
1692 | ||
1693 | if (!rfds) { | |
1694 | rfds = cfds; | |
1695 | rn_fds = cn_fds; | |
1696 | } else { | |
1697 | int *t; | |
1698 | ||
1699 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1700 | free(cfds); | |
1701 | r = -ENOMEM; | |
1702 | goto fail; | |
1703 | } | |
1704 | ||
9c1b183c LP |
1705 | memcpy(t, rfds, rn_fds * sizeof(int)); |
1706 | memcpy(t+rn_fds, cfds, cn_fds * sizeof(int)); | |
44d8db9e LP |
1707 | free(rfds); |
1708 | free(cfds); | |
1709 | ||
1710 | rfds = t; | |
1711 | rn_fds = rn_fds+cn_fds; | |
1712 | } | |
1713 | } | |
1714 | ||
1715 | *fds = rfds; | |
1716 | *n_fds = rn_fds; | |
3e33402a | 1717 | |
44d8db9e LP |
1718 | return 0; |
1719 | ||
1720 | fail: | |
1721 | free(rfds); | |
3e33402a | 1722 | |
44d8db9e LP |
1723 | return r; |
1724 | } | |
1725 | ||
81a2b7ce LP |
1726 | static int service_spawn( |
1727 | Service *s, | |
1728 | ExecCommand *c, | |
1729 | bool timeout, | |
1730 | bool pass_fds, | |
1731 | bool apply_permissions, | |
1732 | bool apply_chroot, | |
1e3ad081 | 1733 | bool apply_tty_stdin, |
c952c6ec | 1734 | bool set_notify_socket, |
ecedd90f | 1735 | bool is_control, |
81a2b7ce LP |
1736 | pid_t *_pid) { |
1737 | ||
034c6ed7 LP |
1738 | pid_t pid; |
1739 | int r; | |
6cf6bbc2 | 1740 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1741 | unsigned n_fds = 0, n_env = 0; |
1742 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1743 | |
1744 | assert(s); | |
1745 | assert(c); | |
1746 | assert(_pid); | |
1747 | ||
6cf6bbc2 LP |
1748 | if (pass_fds || |
1749 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1750 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1751 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1752 | ||
4f2d528d LP |
1753 | if (s->socket_fd >= 0) { |
1754 | fds = &s->socket_fd; | |
1755 | n_fds = 1; | |
6cf6bbc2 LP |
1756 | } else { |
1757 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1758 | goto fail; | |
1759 | ||
1760 | fds = fdsbuf; | |
1761 | } | |
4f2d528d | 1762 | } |
44d8db9e | 1763 | |
d568a335 MS |
1764 | if (timeout && s->timeout_start_usec) { |
1765 | r = unit_watch_timer(UNIT(s), s->timeout_start_usec, &s->timer_watch); | |
1766 | if (r < 0) | |
034c6ed7 LP |
1767 | goto fail; |
1768 | } else | |
acbb0225 | 1769 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1770 | |
9e2f7c11 LP |
1771 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1772 | r = -ENOMEM; | |
1773 | goto fail; | |
1774 | } | |
1775 | ||
9865f3b4 | 1776 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1777 | r = -ENOMEM; |
1778 | goto fail; | |
1779 | } | |
c952c6ec | 1780 | |
2105e76a | 1781 | if (set_notify_socket) |
1124fe6f | 1782 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1783 | r = -ENOMEM; |
1784 | goto fail; | |
1785 | } | |
1786 | ||
2105e76a LP |
1787 | if (s->main_pid > 0) |
1788 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1789 | r = -ENOMEM; |
1790 | goto fail; | |
1791 | } | |
2105e76a | 1792 | |
6e0bcc98 MO |
1793 | if (s->watchdog_usec > 0) |
1794 | if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) { | |
1795 | r = -ENOMEM; | |
1796 | goto fail; | |
1797 | } | |
1798 | ||
2105e76a | 1799 | if (!(final_env = strv_env_merge(2, |
1124fe6f | 1800 | UNIT(s)->manager->environment, |
2105e76a LP |
1801 | our_env, |
1802 | NULL))) { | |
1803 | r = -ENOMEM; | |
1804 | goto fail; | |
1805 | } | |
c952c6ec | 1806 | |
9e2f7c11 LP |
1807 | r = exec_spawn(c, |
1808 | argv, | |
1809 | &s->exec_context, | |
1810 | fds, n_fds, | |
2105e76a | 1811 | final_env, |
9e2f7c11 LP |
1812 | apply_permissions, |
1813 | apply_chroot, | |
1e3ad081 | 1814 | apply_tty_stdin, |
1124fe6f MS |
1815 | UNIT(s)->manager->confirm_spawn, |
1816 | UNIT(s)->cgroup_bondings, | |
1817 | UNIT(s)->cgroup_attributes, | |
ecedd90f | 1818 | is_control ? "control" : NULL, |
62bca2c6 | 1819 | UNIT(s)->id, |
f2b68789 | 1820 | s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, |
9e2f7c11 LP |
1821 | &pid); |
1822 | ||
9e2f7c11 | 1823 | if (r < 0) |
034c6ed7 LP |
1824 | goto fail; |
1825 | ||
87f0e418 | 1826 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1827 | /* FIXME: we need to do something here */ |
1828 | goto fail; | |
1829 | ||
2105e76a LP |
1830 | free(fdsbuf); |
1831 | strv_free(argv); | |
1832 | strv_free(our_env); | |
1833 | strv_free(final_env); | |
1834 | ||
034c6ed7 LP |
1835 | *_pid = pid; |
1836 | ||
5cb5a6ff | 1837 | return 0; |
034c6ed7 LP |
1838 | |
1839 | fail: | |
2105e76a | 1840 | free(fdsbuf); |
c952c6ec | 1841 | strv_free(argv); |
2105e76a LP |
1842 | strv_free(our_env); |
1843 | strv_free(final_env); | |
c952c6ec | 1844 | |
034c6ed7 | 1845 | if (timeout) |
acbb0225 | 1846 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1847 | |
1848 | return r; | |
1849 | } | |
1850 | ||
80876c20 LP |
1851 | static int main_pid_good(Service *s) { |
1852 | assert(s); | |
1853 | ||
1854 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1855 | * don't know */ | |
1856 | ||
1857 | /* If we know the pid file, then lets just check if it is | |
1858 | * still valid */ | |
6dfa5494 LP |
1859 | if (s->main_pid_known) { |
1860 | ||
1861 | /* If it's an alien child let's check if it is still | |
1862 | * alive ... */ | |
1863 | if (s->main_pid_alien) | |
1864 | return kill(s->main_pid, 0) >= 0 || errno != ESRCH; | |
1865 | ||
1866 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1867 | * which we really should wait for to collect exit | |
1868 | * status and code */ | |
80876c20 | 1869 | return s->main_pid > 0; |
6dfa5494 | 1870 | } |
80876c20 LP |
1871 | |
1872 | /* We don't know the pid */ | |
1873 | return -EAGAIN; | |
1874 | } | |
1875 | ||
1876 | static int control_pid_good(Service *s) { | |
1877 | assert(s); | |
1878 | ||
1879 | return s->control_pid > 0; | |
1880 | } | |
1881 | ||
1882 | static int cgroup_good(Service *s) { | |
1883 | int r; | |
1884 | ||
1885 | assert(s); | |
1886 | ||
1124fe6f | 1887 | if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0) |
80876c20 LP |
1888 | return r; |
1889 | ||
1890 | return !r; | |
1891 | } | |
1892 | ||
f42806df | 1893 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1894 | int r; |
1895 | assert(s); | |
1896 | ||
f42806df LP |
1897 | if (f != SERVICE_SUCCESS) |
1898 | s->result = f; | |
034c6ed7 | 1899 | |
0c7f15b3 MS |
1900 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
1901 | ||
034c6ed7 | 1902 | if (allow_restart && |
47342320 | 1903 | !s->forbid_restart && |
034c6ed7 | 1904 | (s->restart == SERVICE_RESTART_ALWAYS || |
f42806df LP |
1905 | (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || |
1906 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || | |
1907 | (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || | |
96342de6 LN |
1908 | s->result == SERVICE_FAILURE_CORE_DUMP))) && |
1909 | (s->result != SERVICE_FAILURE_EXIT_CODE || | |
1910 | !set_contains(s->restart_ignore_status.code, INT_TO_PTR(s->main_exec_status.status))) && | |
1911 | (s->result != SERVICE_FAILURE_SIGNAL || | |
1912 | !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status))) | |
1913 | ) { | |
034c6ed7 | 1914 | |
f42806df LP |
1915 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
1916 | if (r < 0) | |
034c6ed7 LP |
1917 | goto fail; |
1918 | ||
1919 | service_set_state(s, SERVICE_AUTO_RESTART); | |
0c7f15b3 | 1920 | } |
034c6ed7 | 1921 | |
47342320 LP |
1922 | s->forbid_restart = false; |
1923 | ||
034c6ed7 LP |
1924 | return; |
1925 | ||
1926 | fail: | |
1124fe6f | 1927 | log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1928 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1929 | } |
1930 | ||
f42806df | 1931 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
034c6ed7 | 1932 | |
f42806df | 1933 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1934 | int r; |
1935 | assert(s); | |
1936 | ||
f42806df LP |
1937 | if (f != SERVICE_SUCCESS) |
1938 | s->result = f; | |
034c6ed7 | 1939 | |
5e94833f LP |
1940 | service_unwatch_control_pid(s); |
1941 | ||
80876c20 | 1942 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
867b3b7d LP |
1943 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1944 | ||
ecedd90f LP |
1945 | r = service_spawn(s, |
1946 | s->control_command, | |
1947 | true, | |
1948 | false, | |
1949 | !s->permissions_start_only, | |
1950 | !s->root_directory_start_only, | |
1951 | true, | |
1952 | false, | |
1953 | true, | |
1954 | &s->control_pid); | |
1955 | if (r < 0) | |
034c6ed7 LP |
1956 | goto fail; |
1957 | ||
d6ea93e3 | 1958 | |
80876c20 LP |
1959 | service_set_state(s, SERVICE_STOP_POST); |
1960 | } else | |
f42806df | 1961 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1962 | |
1963 | return; | |
1964 | ||
1965 | fail: | |
1124fe6f | 1966 | log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1967 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1968 | } |
1969 | ||
f42806df | 1970 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1971 | int r; |
ca949c9d LP |
1972 | Set *pid_set = NULL; |
1973 | bool wait_for_exit = false; | |
034c6ed7 LP |
1974 | |
1975 | assert(s); | |
1976 | ||
f42806df LP |
1977 | if (f != SERVICE_SUCCESS) |
1978 | s->result = f; | |
034c6ed7 | 1979 | |
4819ff03 LP |
1980 | if (s->kill_context.kill_mode != KILL_NONE) { |
1981 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->kill_context.kill_signal : SIGKILL; | |
034c6ed7 | 1982 | |
ca949c9d | 1983 | if (s->main_pid > 0) { |
cd25cce9 | 1984 | if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1985 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1986 | else | |
6dfa5494 | 1987 | wait_for_exit = !s->main_pid_alien; |
034c6ed7 LP |
1988 | } |
1989 | ||
ca949c9d | 1990 | if (s->control_pid > 0) { |
cd25cce9 | 1991 | if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1992 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1993 | else | |
1994 | wait_for_exit = true; | |
1995 | } | |
50159e6a | 1996 | |
4819ff03 | 1997 | if (s->kill_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1998 | |
4819ff03 LP |
1999 | pid_set = set_new(trivial_hash_func, trivial_compare_func); |
2000 | if (!pid_set) { | |
ca949c9d | 2001 | r = -ENOMEM; |
50159e6a | 2002 | goto fail; |
ca949c9d LP |
2003 | } |
2004 | ||
2005 | /* Exclude the main/control pids from being killed via the cgroup */ | |
2006 | if (s->main_pid > 0) | |
2007 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
2008 | goto fail; | |
2009 | ||
2010 | if (s->control_pid > 0) | |
2011 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
2012 | goto fail; | |
2013 | ||
88f3e0c9 | 2014 | r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL); |
ecedd90f | 2015 | if (r < 0) { |
ca949c9d LP |
2016 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) |
2017 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 2018 | } else if (r > 0) |
ca949c9d LP |
2019 | wait_for_exit = true; |
2020 | ||
2021 | set_free(pid_set); | |
da19d5c1 | 2022 | pid_set = NULL; |
50159e6a | 2023 | } |
d6ea93e3 | 2024 | } |
034c6ed7 | 2025 | |
ca949c9d | 2026 | if (wait_for_exit) { |
d568a335 MS |
2027 | if (s->timeout_stop_usec > 0) { |
2028 | r = unit_watch_timer(UNIT(s), s->timeout_stop_usec, &s->timer_watch); | |
2029 | if (r < 0) | |
e558336f | 2030 | goto fail; |
d568a335 | 2031 | } |
d6ea93e3 | 2032 | |
80876c20 LP |
2033 | service_set_state(s, state); |
2034 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
f42806df | 2035 | service_enter_stop_post(s, SERVICE_SUCCESS); |
80876c20 | 2036 | else |
f42806df | 2037 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
2038 | |
2039 | return; | |
2040 | ||
2041 | fail: | |
1124fe6f | 2042 | log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2043 | |
80876c20 | 2044 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
f42806df | 2045 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2046 | else |
f42806df | 2047 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
ca949c9d LP |
2048 | |
2049 | if (pid_set) | |
2050 | set_free(pid_set); | |
034c6ed7 LP |
2051 | } |
2052 | ||
f42806df | 2053 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 2054 | int r; |
5925dd3c | 2055 | |
034c6ed7 LP |
2056 | assert(s); |
2057 | ||
f42806df LP |
2058 | if (f != SERVICE_SUCCESS) |
2059 | s->result = f; | |
034c6ed7 | 2060 | |
5e94833f LP |
2061 | service_unwatch_control_pid(s); |
2062 | ||
80876c20 | 2063 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
867b3b7d LP |
2064 | s->control_command_id = SERVICE_EXEC_STOP; |
2065 | ||
ecedd90f LP |
2066 | r = service_spawn(s, |
2067 | s->control_command, | |
2068 | true, | |
2069 | false, | |
2070 | !s->permissions_start_only, | |
2071 | !s->root_directory_start_only, | |
2072 | false, | |
2073 | false, | |
2074 | true, | |
2075 | &s->control_pid); | |
2076 | if (r < 0) | |
034c6ed7 LP |
2077 | goto fail; |
2078 | ||
80876c20 LP |
2079 | service_set_state(s, SERVICE_STOP); |
2080 | } else | |
f42806df | 2081 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
2082 | |
2083 | return; | |
2084 | ||
2085 | fail: | |
1124fe6f | 2086 | log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2087 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2088 | } |
2089 | ||
f42806df | 2090 | static void service_enter_running(Service *s, ServiceResult f) { |
4eab639f | 2091 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
2092 | assert(s); |
2093 | ||
f42806df LP |
2094 | if (f != SERVICE_SUCCESS) |
2095 | s->result = f; | |
80876c20 | 2096 | |
4eab639f LP |
2097 | main_pid_ok = main_pid_good(s); |
2098 | cgroup_ok = cgroup_good(s); | |
2099 | ||
2100 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 2101 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 2102 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 2103 | else if (s->remain_after_exit) |
80876c20 LP |
2104 | service_set_state(s, SERVICE_EXITED); |
2105 | else | |
f42806df | 2106 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
2107 | } |
2108 | ||
034c6ed7 LP |
2109 | static void service_enter_start_post(Service *s) { |
2110 | int r; | |
2111 | assert(s); | |
2112 | ||
5e94833f LP |
2113 | service_unwatch_control_pid(s); |
2114 | ||
bb242b7b MO |
2115 | if (s->watchdog_usec > 0) |
2116 | service_reset_watchdog(s); | |
2117 | ||
80876c20 | 2118 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
867b3b7d LP |
2119 | s->control_command_id = SERVICE_EXEC_START_POST; |
2120 | ||
ecedd90f LP |
2121 | r = service_spawn(s, |
2122 | s->control_command, | |
2123 | true, | |
2124 | false, | |
2125 | !s->permissions_start_only, | |
2126 | !s->root_directory_start_only, | |
2127 | false, | |
2128 | false, | |
2129 | true, | |
2130 | &s->control_pid); | |
2131 | if (r < 0) | |
034c6ed7 LP |
2132 | goto fail; |
2133 | ||
80876c20 LP |
2134 | service_set_state(s, SERVICE_START_POST); |
2135 | } else | |
f42806df | 2136 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2137 | |
2138 | return; | |
2139 | ||
2140 | fail: | |
1124fe6f | 2141 | log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2142 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2143 | } |
2144 | ||
2145 | static void service_enter_start(Service *s) { | |
2146 | pid_t pid; | |
2147 | int r; | |
867b3b7d | 2148 | ExecCommand *c; |
034c6ed7 LP |
2149 | |
2150 | assert(s); | |
2151 | ||
2152 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 2153 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 2154 | |
80876c20 LP |
2155 | if (s->type == SERVICE_FORKING) |
2156 | service_unwatch_control_pid(s); | |
2157 | else | |
2158 | service_unwatch_main_pid(s); | |
2159 | ||
8f53a7b8 LP |
2160 | /* We want to ensure that nobody leaks processes from |
2161 | * START_PRE here, so let's go on a killing spree, People | |
2162 | * should not spawn long running processes from START_PRE. */ | |
88f3e0c9 | 2163 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2164 | |
867b3b7d LP |
2165 | if (s->type == SERVICE_FORKING) { |
2166 | s->control_command_id = SERVICE_EXEC_START; | |
2167 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
2168 | ||
2169 | s->main_command = NULL; | |
2170 | } else { | |
2171 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2172 | s->control_command = NULL; | |
2173 | ||
2174 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
2175 | } | |
34e9ba66 | 2176 | |
ecedd90f LP |
2177 | r = service_spawn(s, |
2178 | c, | |
98709151 | 2179 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT, |
ecedd90f LP |
2180 | true, |
2181 | true, | |
2182 | true, | |
2183 | true, | |
2184 | s->notify_access != NOTIFY_NONE, | |
2185 | false, | |
2186 | &pid); | |
2187 | if (r < 0) | |
034c6ed7 LP |
2188 | goto fail; |
2189 | ||
f2b68789 | 2190 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
2191 | /* For simple services we immediately start |
2192 | * the START_POST binaries. */ | |
2193 | ||
5925dd3c | 2194 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2195 | service_enter_start_post(s); |
2196 | ||
2197 | } else if (s->type == SERVICE_FORKING) { | |
2198 | ||
2199 | /* For forking services we wait until the start | |
2200 | * process exited. */ | |
2201 | ||
e55224ca | 2202 | s->control_pid = pid; |
80876c20 LP |
2203 | service_set_state(s, SERVICE_START); |
2204 | ||
34e9ba66 | 2205 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2206 | s->type == SERVICE_DBUS || |
2207 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2208 | |
34e9ba66 | 2209 | /* For oneshot services we wait until the start |
7d55e835 LP |
2210 | * process exited, too, but it is our main process. */ |
2211 | ||
05e343b7 | 2212 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2213 | * but wait for the bus name to appear on the |
2214 | * bus. Notify services are similar. */ | |
05e343b7 | 2215 | |
5925dd3c | 2216 | service_set_main_pid(s, pid); |
80876c20 | 2217 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2218 | } else |
2219 | assert_not_reached("Unknown service type"); | |
2220 | ||
2221 | return; | |
2222 | ||
2223 | fail: | |
1124fe6f | 2224 | log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2225 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2226 | } |
2227 | ||
2228 | static void service_enter_start_pre(Service *s) { | |
2229 | int r; | |
2230 | ||
2231 | assert(s); | |
2232 | ||
5e94833f LP |
2233 | service_unwatch_control_pid(s); |
2234 | ||
80876c20 | 2235 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
8f53a7b8 LP |
2236 | |
2237 | /* Before we start anything, let's clear up what might | |
2238 | * be left from previous runs. */ | |
88f3e0c9 | 2239 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2240 | |
867b3b7d LP |
2241 | s->control_command_id = SERVICE_EXEC_START_PRE; |
2242 | ||
ecedd90f LP |
2243 | r = service_spawn(s, |
2244 | s->control_command, | |
2245 | true, | |
2246 | false, | |
2247 | !s->permissions_start_only, | |
2248 | !s->root_directory_start_only, | |
2249 | true, | |
2250 | false, | |
2251 | true, | |
2252 | &s->control_pid); | |
2253 | if (r < 0) | |
034c6ed7 LP |
2254 | goto fail; |
2255 | ||
80876c20 LP |
2256 | service_set_state(s, SERVICE_START_PRE); |
2257 | } else | |
034c6ed7 LP |
2258 | service_enter_start(s); |
2259 | ||
2260 | return; | |
2261 | ||
2262 | fail: | |
1124fe6f | 2263 | log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2264 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
2265 | } |
2266 | ||
2267 | static void service_enter_restart(Service *s) { | |
2268 | int r; | |
398ef8ba LP |
2269 | DBusError error; |
2270 | ||
034c6ed7 | 2271 | assert(s); |
398ef8ba | 2272 | dbus_error_init(&error); |
034c6ed7 | 2273 | |
a8bb2e65 LP |
2274 | if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) { |
2275 | /* Don't restart things if we are going down anyway */ | |
2276 | log_info("Stop job pending for unit, delaying automatic restart."); | |
2edfa366 | 2277 | |
a8bb2e65 LP |
2278 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
2279 | if (r < 0) | |
2edfa366 | 2280 | goto fail; |
feae8adb DW |
2281 | |
2282 | return; | |
2edfa366 LP |
2283 | } |
2284 | ||
48bb5876 DW |
2285 | /* Any units that are bound to this service must also be |
2286 | * restarted. We use JOB_RESTART (instead of the more obvious | |
2287 | * JOB_START) here so that those dependency jobs will be added | |
2288 | * as well. */ | |
2289 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
2290 | if (r < 0) | |
034c6ed7 LP |
2291 | goto fail; |
2292 | ||
a8bb2e65 LP |
2293 | /* Note that we stay in the SERVICE_AUTO_RESTART state here, |
2294 | * it will be canceled as part of the service_stop() call that | |
2295 | * is executed as part of JOB_RESTART. */ | |
2296 | ||
1124fe6f | 2297 | log_debug("%s scheduled restart job.", UNIT(s)->id); |
034c6ed7 LP |
2298 | return; |
2299 | ||
2300 | fail: | |
1124fe6f | 2301 | log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r)); |
f42806df | 2302 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
398ef8ba LP |
2303 | |
2304 | dbus_error_free(&error); | |
034c6ed7 LP |
2305 | } |
2306 | ||
2307 | static void service_enter_reload(Service *s) { | |
2308 | int r; | |
2309 | ||
2310 | assert(s); | |
2311 | ||
5e94833f LP |
2312 | service_unwatch_control_pid(s); |
2313 | ||
80876c20 | 2314 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
867b3b7d LP |
2315 | s->control_command_id = SERVICE_EXEC_RELOAD; |
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 | false, | |
2324 | false, | |
2325 | true, | |
2326 | &s->control_pid); | |
2327 | if (r < 0) | |
034c6ed7 LP |
2328 | goto fail; |
2329 | ||
80876c20 LP |
2330 | service_set_state(s, SERVICE_RELOAD); |
2331 | } else | |
f42806df | 2332 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2333 | |
2334 | return; | |
2335 | ||
2336 | fail: | |
1124fe6f | 2337 | log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df LP |
2338 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2339 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2340 | } |
2341 | ||
f42806df | 2342 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
2343 | int r; |
2344 | ||
2345 | assert(s); | |
2346 | assert(s->control_command); | |
2347 | assert(s->control_command->command_next); | |
2348 | ||
34e9ba66 | 2349 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2350 | |
34e9ba66 | 2351 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2352 | service_unwatch_control_pid(s); |
2353 | ||
ecedd90f LP |
2354 | r = service_spawn(s, |
2355 | s->control_command, | |
2356 | true, | |
2357 | false, | |
2358 | !s->permissions_start_only, | |
2359 | !s->root_directory_start_only, | |
2360 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
2361 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
2362 | false, | |
2363 | true, | |
2364 | &s->control_pid); | |
2365 | if (r < 0) | |
034c6ed7 LP |
2366 | goto fail; |
2367 | ||
2368 | return; | |
2369 | ||
2370 | fail: | |
1124fe6f | 2371 | log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2372 | |
80876c20 | 2373 | if (s->state == SERVICE_START_PRE) |
f42806df | 2374 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 2375 | else if (s->state == SERVICE_STOP) |
f42806df | 2376 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2377 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 2378 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 2379 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
2380 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2381 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 2382 | } else |
f42806df | 2383 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
2384 | } |
2385 | ||
f42806df | 2386 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
2387 | pid_t pid; |
2388 | int r; | |
2389 | ||
2390 | assert(s); | |
867b3b7d LP |
2391 | assert(s->main_command); |
2392 | assert(s->main_command->command_next); | |
2393 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 2394 | |
867b3b7d | 2395 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
2396 | service_unwatch_main_pid(s); |
2397 | ||
ecedd90f LP |
2398 | r = service_spawn(s, |
2399 | s->main_command, | |
98709151 | 2400 | true, |
ecedd90f LP |
2401 | true, |
2402 | true, | |
2403 | true, | |
2404 | true, | |
2405 | s->notify_access != NOTIFY_NONE, | |
2406 | false, | |
2407 | &pid); | |
2408 | if (r < 0) | |
34e9ba66 LP |
2409 | goto fail; |
2410 | ||
2411 | service_set_main_pid(s, pid); | |
2412 | ||
2413 | return; | |
2414 | ||
2415 | fail: | |
1124fe6f | 2416 | log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2417 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
2418 | } |
2419 | ||
4b939747 MO |
2420 | static int service_start_limit_test(Service *s) { |
2421 | assert(s); | |
2422 | ||
2423 | if (ratelimit_test(&s->start_limit)) | |
2424 | return 0; | |
2425 | ||
2426 | switch (s->start_limit_action) { | |
2427 | ||
2428 | case SERVICE_START_LIMIT_NONE: | |
2429 | log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id); | |
2430 | break; | |
2431 | ||
2432 | case SERVICE_START_LIMIT_REBOOT: { | |
2433 | DBusError error; | |
2434 | int r; | |
2435 | ||
2436 | dbus_error_init(&error); | |
2437 | ||
2438 | log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id); | |
2439 | ||
2440 | r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL); | |
2441 | if (r < 0) { | |
2442 | log_error("Failed to reboot: %s.", bus_error(&error, r)); | |
2443 | dbus_error_free(&error); | |
2444 | } | |
2445 | ||
2446 | break; | |
2447 | } | |
2448 | ||
2449 | case SERVICE_START_LIMIT_REBOOT_FORCE: | |
6bda96a0 | 2450 | log_warning("%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id); |
4b939747 MO |
2451 | UNIT(s)->manager->exit_code = MANAGER_REBOOT; |
2452 | break; | |
2453 | ||
2454 | case SERVICE_START_LIMIT_REBOOT_IMMEDIATE: | |
2455 | log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id); | |
2456 | reboot(RB_AUTOBOOT); | |
2457 | break; | |
2458 | ||
2459 | default: | |
2460 | log_error("start limit action=%i", s->start_limit_action); | |
2461 | assert_not_reached("Unknown StartLimitAction."); | |
2462 | } | |
2463 | ||
2464 | return -ECANCELED; | |
2465 | } | |
2466 | ||
87f0e418 LP |
2467 | static int service_start(Unit *u) { |
2468 | Service *s = SERVICE(u); | |
4b939747 | 2469 | int r; |
5cb5a6ff LP |
2470 | |
2471 | assert(s); | |
2472 | ||
034c6ed7 LP |
2473 | /* We cannot fulfill this request right now, try again later |
2474 | * please! */ | |
2475 | if (s->state == SERVICE_STOP || | |
2476 | s->state == SERVICE_STOP_SIGTERM || | |
2477 | s->state == SERVICE_STOP_SIGKILL || | |
2478 | s->state == SERVICE_STOP_POST || | |
2479 | s->state == SERVICE_FINAL_SIGTERM || | |
2480 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2481 | return -EAGAIN; |
2482 | ||
034c6ed7 LP |
2483 | /* Already on it! */ |
2484 | if (s->state == SERVICE_START_PRE || | |
2485 | s->state == SERVICE_START || | |
2486 | s->state == SERVICE_START_POST) | |
2487 | return 0; | |
2488 | ||
2e9d6c12 | 2489 | /* A service that will be restarted must be stopped first to |
7f2cddae | 2490 | * trigger BindsTo and/or OnFailure dependencies. If a user |
2e9d6c12 | 2491 | * does not want to wait for the holdoff time to elapse, the |
d4943dc7 LP |
2492 | * service should be manually restarted, not started. We |
2493 | * simply return EAGAIN here, so that any start jobs stay | |
2494 | * queued, and assume that the auto restart timer will | |
2495 | * eventually trigger the restart. */ | |
2496 | if (s->state == SERVICE_AUTO_RESTART) | |
a8bb2e65 | 2497 | return -EAGAIN; |
2e9d6c12 DW |
2498 | |
2499 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED); | |
5cb5a6ff | 2500 | |
1e2e8133 | 2501 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 2502 | r = service_start_limit_test(s); |
c2f34808 | 2503 | if (r < 0) { |
8d1b002a | 2504 | service_enter_dead(s, SERVICE_FAILURE_START_LIMIT, false); |
4b939747 | 2505 | return r; |
c2f34808 | 2506 | } |
1e2e8133 | 2507 | |
f42806df LP |
2508 | s->result = SERVICE_SUCCESS; |
2509 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 2510 | s->main_pid_known = false; |
6dfa5494 | 2511 | s->main_pid_alien = false; |
47342320 | 2512 | s->forbid_restart = false; |
034c6ed7 LP |
2513 | |
2514 | service_enter_start_pre(s); | |
2515 | return 0; | |
5cb5a6ff LP |
2516 | } |
2517 | ||
87f0e418 LP |
2518 | static int service_stop(Unit *u) { |
2519 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2520 | |
2521 | assert(s); | |
2522 | ||
f0c7b229 | 2523 | /* Don't create restart jobs from here. */ |
47342320 | 2524 | s->forbid_restart = true; |
034c6ed7 | 2525 | |
e537352b LP |
2526 | /* Already on it */ |
2527 | if (s->state == SERVICE_STOP || | |
2528 | s->state == SERVICE_STOP_SIGTERM || | |
2529 | s->state == SERVICE_STOP_SIGKILL || | |
2530 | s->state == SERVICE_STOP_POST || | |
2531 | s->state == SERVICE_FINAL_SIGTERM || | |
2532 | s->state == SERVICE_FINAL_SIGKILL) | |
2533 | return 0; | |
2534 | ||
f0c7b229 | 2535 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2536 | if (s->state == SERVICE_AUTO_RESTART) { |
0c7f15b3 | 2537 | service_set_state(s, SERVICE_DEAD); |
034c6ed7 LP |
2538 | return 0; |
2539 | } | |
2540 | ||
3f6c78dc LP |
2541 | /* If there's already something running we go directly into |
2542 | * kill mode. */ | |
2543 | if (s->state == SERVICE_START_PRE || | |
2544 | s->state == SERVICE_START || | |
2545 | s->state == SERVICE_START_POST || | |
2546 | s->state == SERVICE_RELOAD) { | |
f42806df | 2547 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2548 | return 0; |
2549 | } | |
5cb5a6ff | 2550 | |
3f6c78dc LP |
2551 | assert(s->state == SERVICE_RUNNING || |
2552 | s->state == SERVICE_EXITED); | |
3a762661 | 2553 | |
f42806df | 2554 | service_enter_stop(s, SERVICE_SUCCESS); |
5cb5a6ff LP |
2555 | return 0; |
2556 | } | |
2557 | ||
87f0e418 LP |
2558 | static int service_reload(Unit *u) { |
2559 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2560 | |
2561 | assert(s); | |
2562 | ||
80876c20 | 2563 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2564 | |
2565 | service_enter_reload(s); | |
5cb5a6ff LP |
2566 | return 0; |
2567 | } | |
2568 | ||
87f0e418 LP |
2569 | static bool service_can_reload(Unit *u) { |
2570 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2571 | |
2572 | assert(s); | |
2573 | ||
2574 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2575 | } | |
2576 | ||
a16e1123 LP |
2577 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2578 | Service *s = SERVICE(u); | |
2579 | ||
2580 | assert(u); | |
2581 | assert(f); | |
2582 | assert(fds); | |
2583 | ||
2584 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2585 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2586 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2587 | |
2588 | if (s->control_pid > 0) | |
5925dd3c | 2589 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2590 | |
5925dd3c LP |
2591 | if (s->main_pid_known && s->main_pid > 0) |
2592 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2593 | |
2594 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2595 | ||
3a2776bc LP |
2596 | if (s->status_text) |
2597 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2598 | ||
cfc4eb4c LP |
2599 | /* FIXME: There's a minor uncleanliness here: if there are |
2600 | * multiple commands attached here, we will start from the | |
2601 | * first one again */ | |
a16e1123 | 2602 | if (s->control_command_id >= 0) |
825636e5 | 2603 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2604 | |
2605 | if (s->socket_fd >= 0) { | |
2606 | int copy; | |
2607 | ||
2608 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2609 | return copy; | |
2610 | ||
2611 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2612 | } | |
2613 | ||
ecdbca40 LP |
2614 | if (s->main_exec_status.pid > 0) { |
2615 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2616 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2617 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2618 | |
799fd0fd | 2619 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2620 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2621 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2622 | } | |
2623 | } | |
a6927d7f MO |
2624 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
2625 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); | |
ecdbca40 | 2626 | |
a16e1123 LP |
2627 | return 0; |
2628 | } | |
2629 | ||
2630 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2631 | Service *s = SERVICE(u); | |
a16e1123 LP |
2632 | |
2633 | assert(u); | |
2634 | assert(key); | |
2635 | assert(value); | |
2636 | assert(fds); | |
2637 | ||
2638 | if (streq(key, "state")) { | |
2639 | ServiceState state; | |
2640 | ||
2641 | if ((state = service_state_from_string(value)) < 0) | |
2642 | log_debug("Failed to parse state value %s", value); | |
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) | |
2650 | log_debug("Failed to parse result value %s", value); | |
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) | |
2659 | log_debug("Failed to parse reload result value %s", value); | |
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) |
a16e1123 LP |
2667 | log_debug("Failed to parse control-pid value %s", value); |
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) |
a16e1123 LP |
2674 | log_debug("Failed to parse main-pid value %s", value); |
2675 | else | |
5925dd3c | 2676 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2677 | } else if (streq(key, "main-pid-known")) { |
2678 | int b; | |
2679 | ||
2680 | if ((b = parse_boolean(value)) < 0) | |
2681 | log_debug("Failed to parse main-pid-known value %s", value); | |
2682 | else | |
2683 | s->main_pid_known = b; | |
3a2776bc LP |
2684 | } else if (streq(key, "status-text")) { |
2685 | char *t; | |
2686 | ||
2687 | if ((t = strdup(value))) { | |
2688 | free(s->status_text); | |
2689 | s->status_text = t; | |
2690 | } | |
2691 | ||
a16e1123 LP |
2692 | } else if (streq(key, "control-command")) { |
2693 | ServiceExecCommand id; | |
2694 | ||
2695 | if ((id = service_exec_command_from_string(value)) < 0) | |
2696 | log_debug("Failed to parse exec-command value %s", value); | |
2697 | else { | |
2698 | s->control_command_id = id; | |
2699 | s->control_command = s->exec_command[id]; | |
2700 | } | |
2701 | } else if (streq(key, "socket-fd")) { | |
2702 | int fd; | |
2703 | ||
2704 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2705 | log_debug("Failed to parse socket-fd value %s", value); | |
2706 | else { | |
2707 | ||
2708 | if (s->socket_fd >= 0) | |
2709 | close_nointr_nofail(s->socket_fd); | |
2710 | s->socket_fd = fdset_remove(fds, fd); | |
2711 | } | |
ecdbca40 LP |
2712 | } else if (streq(key, "main-exec-status-pid")) { |
2713 | pid_t pid; | |
2714 | ||
e364ad06 | 2715 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2716 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2717 | else | |
2718 | s->main_exec_status.pid = pid; | |
2719 | } else if (streq(key, "main-exec-status-code")) { | |
2720 | int i; | |
2721 | ||
e364ad06 | 2722 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2723 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2724 | else | |
2725 | s->main_exec_status.code = i; | |
2726 | } else if (streq(key, "main-exec-status-status")) { | |
2727 | int i; | |
2728 | ||
e364ad06 | 2729 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2730 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2731 | else | |
2732 | s->main_exec_status.status = i; | |
799fd0fd LP |
2733 | } else if (streq(key, "main-exec-status-start")) |
2734 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2735 | else if (streq(key, "main-exec-status-exit")) | |
2736 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2737 | else if (streq(key, "watchdog-timestamp")) |
2738 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
799fd0fd | 2739 | else |
a16e1123 LP |
2740 | log_debug("Unknown serialization key '%s'", key); |
2741 | ||
2742 | return 0; | |
2743 | } | |
2744 | ||
87f0e418 | 2745 | static UnitActiveState service_active_state(Unit *u) { |
e056b01d LP |
2746 | const UnitActiveState *table; |
2747 | ||
87f0e418 | 2748 | assert(u); |
5cb5a6ff | 2749 | |
e056b01d LP |
2750 | table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
2751 | ||
2752 | return table[SERVICE(u)->state]; | |
034c6ed7 LP |
2753 | } |
2754 | ||
10a94420 LP |
2755 | static const char *service_sub_state_to_string(Unit *u) { |
2756 | assert(u); | |
2757 | ||
2758 | return service_state_to_string(SERVICE(u)->state); | |
2759 | } | |
2760 | ||
701cc384 LP |
2761 | static bool service_check_gc(Unit *u) { |
2762 | Service *s = SERVICE(u); | |
2763 | ||
2764 | assert(s); | |
2765 | ||
6d55002a LP |
2766 | /* Never clean up services that still have a process around, |
2767 | * even if the service is formally dead. */ | |
2768 | if (cgroup_good(s) > 0 || | |
2769 | main_pid_good(s) > 0 || | |
2770 | control_pid_good(s) > 0) | |
2771 | return true; | |
2772 | ||
2773 | #ifdef HAVE_SYSV_COMPAT | |
1b64d026 | 2774 | if (s->is_sysv) |
6d55002a | 2775 | return true; |
07459bb6 | 2776 | #endif |
701cc384 | 2777 | |
6d55002a LP |
2778 | return false; |
2779 | } | |
2780 | ||
701cc384 LP |
2781 | static bool service_check_snapshot(Unit *u) { |
2782 | Service *s = SERVICE(u); | |
2783 | ||
2784 | assert(s); | |
2785 | ||
2786 | return !s->got_socket_fd; | |
2787 | } | |
2788 | ||
3a111838 MS |
2789 | static int service_retry_pid_file(Service *s) { |
2790 | int r; | |
2791 | ||
2792 | assert(s->pid_file); | |
2793 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2794 | ||
2795 | r = service_load_pid_file(s, false); | |
2796 | if (r < 0) | |
2797 | return r; | |
2798 | ||
2799 | service_unwatch_pid_file(s); | |
2800 | ||
f42806df | 2801 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2802 | return 0; |
2803 | } | |
2804 | ||
2805 | static int service_watch_pid_file(Service *s) { | |
2806 | int r; | |
2807 | ||
1124fe6f | 2808 | log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); |
57020a3a | 2809 | r = path_spec_watch(s->pid_file_pathspec, UNIT(s)); |
3a111838 MS |
2810 | if (r < 0) |
2811 | goto fail; | |
2812 | ||
2813 | /* the pidfile might have appeared just before we set the watch */ | |
2814 | service_retry_pid_file(s); | |
2815 | ||
2816 | return 0; | |
2817 | fail: | |
2818 | log_error("Failed to set a watch for %s's PID file %s: %s", | |
1124fe6f | 2819 | UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r)); |
3a111838 MS |
2820 | service_unwatch_pid_file(s); |
2821 | return r; | |
2822 | } | |
2823 | ||
2824 | static int service_demand_pid_file(Service *s) { | |
2825 | PathSpec *ps; | |
2826 | ||
2827 | assert(s->pid_file); | |
2828 | assert(!s->pid_file_pathspec); | |
2829 | ||
2830 | ps = new0(PathSpec, 1); | |
2831 | if (!ps) | |
2832 | return -ENOMEM; | |
2833 | ||
2834 | ps->path = strdup(s->pid_file); | |
2835 | if (!ps->path) { | |
2836 | free(ps); | |
2837 | return -ENOMEM; | |
2838 | } | |
2839 | ||
2840 | path_kill_slashes(ps->path); | |
2841 | ||
2842 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2843 | * keep their PID file open all the time. */ | |
2844 | ps->type = PATH_MODIFIED; | |
2845 | ps->inotify_fd = -1; | |
2846 | ||
2847 | s->pid_file_pathspec = ps; | |
2848 | ||
2849 | return service_watch_pid_file(s); | |
2850 | } | |
2851 | ||
2852 | static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { | |
2853 | Service *s = SERVICE(u); | |
2854 | ||
2855 | assert(s); | |
2856 | assert(fd >= 0); | |
2857 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2858 | assert(s->pid_file_pathspec); | |
57020a3a | 2859 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2860 | |
ac155bb8 | 2861 | log_debug("inotify event for %s", u->id); |
3a111838 | 2862 | |
57020a3a | 2863 | if (path_spec_fd_event(s->pid_file_pathspec, events) < 0) |
3a111838 MS |
2864 | goto fail; |
2865 | ||
2866 | if (service_retry_pid_file(s) == 0) | |
2867 | return; | |
2868 | ||
2869 | if (service_watch_pid_file(s) < 0) | |
2870 | goto fail; | |
2871 | ||
2872 | return; | |
2873 | fail: | |
2874 | service_unwatch_pid_file(s); | |
f42806df | 2875 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2876 | } |
2877 | ||
87f0e418 LP |
2878 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2879 | Service *s = SERVICE(u); | |
f42806df | 2880 | ServiceResult f; |
5cb5a6ff LP |
2881 | |
2882 | assert(s); | |
034c6ed7 LP |
2883 | assert(pid >= 0); |
2884 | ||
96342de6 LN |
2885 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status, &s->success_status) : |
2886 | is_clean_exit_lsb(code, status, &s->success_status)) | |
f42806df LP |
2887 | f = SERVICE_SUCCESS; |
2888 | else if (code == CLD_EXITED) | |
2889 | f = SERVICE_FAILURE_EXIT_CODE; | |
2890 | else if (code == CLD_KILLED) | |
2891 | f = SERVICE_FAILURE_SIGNAL; | |
2892 | else if (code == CLD_DUMPED) | |
2893 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2894 | else |
cfc4eb4c | 2895 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2896 | |
2897 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2898 | /* Forking services may occasionally move to a new PID. |
2899 | * As long as they update the PID file before exiting the old | |
2900 | * PID, they're fine. */ | |
5375410b | 2901 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2902 | return; |
034c6ed7 | 2903 | |
034c6ed7 | 2904 | s->main_pid = 0; |
6ea832a2 | 2905 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2906 | |
867b3b7d LP |
2907 | /* If this is not a forking service than the main |
2908 | * process got started and hence we copy the exit | |
2909 | * status so that it is recorded both as main and as | |
2910 | * control process exit status */ | |
2911 | if (s->main_command) { | |
2912 | s->main_command->exec_status = s->main_exec_status; | |
b708e7ce | 2913 | |
867b3b7d | 2914 | if (s->main_command->ignore) |
f42806df | 2915 | f = SERVICE_SUCCESS; |
034c6ed7 LP |
2916 | } |
2917 | ||
f42806df | 2918 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2919 | "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2920 | |
2921 | if (f != SERVICE_SUCCESS) | |
2922 | s->result = f; | |
034c6ed7 | 2923 | |
867b3b7d LP |
2924 | if (s->main_command && |
2925 | s->main_command->command_next && | |
f42806df | 2926 | f == SERVICE_SUCCESS) { |
034c6ed7 | 2927 | |
34e9ba66 LP |
2928 | /* There is another command to * |
2929 | * execute, so let's do that. */ | |
034c6ed7 | 2930 | |
ac155bb8 | 2931 | log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2932 | service_run_next_main(s); |
034c6ed7 | 2933 | |
34e9ba66 LP |
2934 | } else { |
2935 | ||
2936 | /* The service exited, so the service is officially | |
2937 | * gone. */ | |
867b3b7d | 2938 | s->main_command = NULL; |
34e9ba66 LP |
2939 | |
2940 | switch (s->state) { | |
2941 | ||
2942 | case SERVICE_START_POST: | |
2943 | case SERVICE_RELOAD: | |
2944 | case SERVICE_STOP: | |
2945 | /* Need to wait until the operation is | |
2946 | * done */ | |
c4653a4d | 2947 | break; |
7d55e835 | 2948 | |
34e9ba66 LP |
2949 | case SERVICE_START: |
2950 | if (s->type == SERVICE_ONESHOT) { | |
2951 | /* This was our main goal, so let's go on */ | |
f42806df | 2952 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
2953 | service_enter_start_post(s); |
2954 | else | |
f42806df | 2955 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 | 2956 | break; |
34e9ba66 | 2957 | } |
034c6ed7 | 2958 | |
bfba3256 LP |
2959 | /* Fall through */ |
2960 | ||
34e9ba66 | 2961 | case SERVICE_RUNNING: |
f42806df | 2962 | service_enter_running(s, f); |
34e9ba66 | 2963 | break; |
034c6ed7 | 2964 | |
34e9ba66 LP |
2965 | case SERVICE_STOP_SIGTERM: |
2966 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2967 | |
34e9ba66 | 2968 | if (!control_pid_good(s)) |
f42806df | 2969 | service_enter_stop_post(s, f); |
5cb5a6ff | 2970 | |
34e9ba66 LP |
2971 | /* If there is still a control process, wait for that first */ |
2972 | break; | |
2973 | ||
2974 | default: | |
2975 | assert_not_reached("Uh, main process died at wrong time."); | |
2976 | } | |
034c6ed7 | 2977 | } |
5cb5a6ff | 2978 | |
034c6ed7 | 2979 | } else if (s->control_pid == pid) { |
034c6ed7 | 2980 | |
34e9ba66 LP |
2981 | s->control_pid = 0; |
2982 | ||
b708e7ce | 2983 | if (s->control_command) { |
6ea832a2 | 2984 | exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); |
a16e1123 | 2985 | |
b708e7ce | 2986 | if (s->control_command->ignore) |
f42806df | 2987 | f = SERVICE_SUCCESS; |
b708e7ce LP |
2988 | } |
2989 | ||
f42806df | 2990 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2991 | "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2992 | |
2993 | if (f != SERVICE_SUCCESS) | |
2994 | s->result = f; | |
034c6ed7 | 2995 | |
88f3e0c9 LP |
2996 | /* Immediately get rid of the cgroup, so that the |
2997 | * kernel doesn't delay the cgroup empty messages for | |
2998 | * the service cgroup any longer than necessary */ | |
2999 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); | |
3000 | ||
34e9ba66 LP |
3001 | if (s->control_command && |
3002 | s->control_command->command_next && | |
f42806df | 3003 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
3004 | |
3005 | /* There is another command to * | |
3006 | * execute, so let's do that. */ | |
3007 | ||
ac155bb8 | 3008 | log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 3009 | service_run_next_control(s); |
034c6ed7 | 3010 | |
80876c20 | 3011 | } else { |
034c6ed7 LP |
3012 | /* No further commands for this step, so let's |
3013 | * figure out what to do next */ | |
3014 | ||
a16e1123 LP |
3015 | s->control_command = NULL; |
3016 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
3017 | ||
ac155bb8 | 3018 | log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state)); |
bd982a8b | 3019 | |
034c6ed7 LP |
3020 | switch (s->state) { |
3021 | ||
3022 | case SERVICE_START_PRE: | |
f42806df | 3023 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
3024 | service_enter_start(s); |
3025 | else | |
f42806df | 3026 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
3027 | break; |
3028 | ||
3029 | case SERVICE_START: | |
bfba3256 LP |
3030 | if (s->type != SERVICE_FORKING) |
3031 | /* Maybe spurious event due to a reload that changed the type? */ | |
3032 | break; | |
034c6ed7 | 3033 | |
f42806df LP |
3034 | if (f != SERVICE_SUCCESS) { |
3035 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
3036 | break; |
3037 | } | |
034c6ed7 | 3038 | |
3a111838 | 3039 | if (s->pid_file) { |
f42806df LP |
3040 | bool has_start_post; |
3041 | int r; | |
3042 | ||
3a111838 MS |
3043 | /* Let's try to load the pid file here if we can. |
3044 | * The PID file might actually be created by a START_POST | |
3045 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
3046 | |
3047 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
3048 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
3049 | if (!has_start_post && r < 0) { |
3050 | r = service_demand_pid_file(s); | |
3051 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3052 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3053 | break; |
3054 | } | |
034c6ed7 | 3055 | } else |
3a111838 | 3056 | service_search_main_pid(s); |
034c6ed7 | 3057 | |
3a111838 | 3058 | service_enter_start_post(s); |
034c6ed7 LP |
3059 | break; |
3060 | ||
3061 | case SERVICE_START_POST: | |
f42806df LP |
3062 | if (f != SERVICE_SUCCESS) { |
3063 | service_enter_stop(s, f); | |
2096e009 | 3064 | break; |
034c6ed7 LP |
3065 | } |
3066 | ||
2096e009 | 3067 | if (s->pid_file) { |
f42806df LP |
3068 | int r; |
3069 | ||
3070 | r = service_load_pid_file(s, true); | |
2096e009 MS |
3071 | if (r < 0) { |
3072 | r = service_demand_pid_file(s); | |
3073 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3074 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
3075 | break; |
3076 | } | |
3077 | } else | |
3078 | service_search_main_pid(s); | |
3079 | ||
f42806df | 3080 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 3081 | break; |
034c6ed7 LP |
3082 | |
3083 | case SERVICE_RELOAD: | |
f42806df | 3084 | if (f == SERVICE_SUCCESS) { |
5375410b | 3085 | service_load_pid_file(s, true); |
3185a36b LP |
3086 | service_search_main_pid(s); |
3087 | } | |
3088 | ||
f42806df LP |
3089 | s->reload_result = f; |
3090 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
3091 | break; |
3092 | ||
3093 | case SERVICE_STOP: | |
f42806df | 3094 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
3095 | break; |
3096 | ||
3097 | case SERVICE_STOP_SIGTERM: | |
3098 | case SERVICE_STOP_SIGKILL: | |
3099 | if (main_pid_good(s) <= 0) | |
f42806df | 3100 | service_enter_stop_post(s, f); |
034c6ed7 LP |
3101 | |
3102 | /* If there is still a service | |
3103 | * process around, wait until | |
3104 | * that one quit, too */ | |
3105 | break; | |
3106 | ||
3107 | case SERVICE_STOP_POST: | |
3108 | case SERVICE_FINAL_SIGTERM: | |
3109 | case SERVICE_FINAL_SIGKILL: | |
f42806df | 3110 | service_enter_dead(s, f, true); |
034c6ed7 LP |
3111 | break; |
3112 | ||
3113 | default: | |
3114 | assert_not_reached("Uh, control process died at wrong time."); | |
3115 | } | |
3116 | } | |
8c47c732 | 3117 | } |
c4e2ceae LP |
3118 | |
3119 | /* Notify clients about changed exit status */ | |
3120 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
3121 | } |
3122 | ||
acbb0225 | 3123 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 3124 | Service *s = SERVICE(u); |
034c6ed7 LP |
3125 | |
3126 | assert(s); | |
3127 | assert(elapsed == 1); | |
3128 | ||
bb242b7b MO |
3129 | if (w == &s->watchdog_watch) { |
3130 | service_handle_watchdog(s); | |
3131 | return; | |
3132 | } | |
3133 | ||
acbb0225 | 3134 | assert(w == &s->timer_watch); |
034c6ed7 LP |
3135 | |
3136 | switch (s->state) { | |
3137 | ||
3138 | case SERVICE_START_PRE: | |
3139 | case SERVICE_START: | |
ac155bb8 | 3140 | log_warning("%s operation timed out. Terminating.", u->id); |
f42806df | 3141 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
3142 | break; |
3143 | ||
034c6ed7 | 3144 | case SERVICE_START_POST: |
ac155bb8 | 3145 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df | 3146 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3147 | break; |
3148 | ||
e2f3b44c | 3149 | case SERVICE_RELOAD: |
ac155bb8 | 3150 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df LP |
3151 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
3152 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
3153 | break; |
3154 | ||
034c6ed7 | 3155 | case SERVICE_STOP: |
ac155bb8 | 3156 | log_warning("%s stopping timed out. Terminating.", u->id); |
f42806df | 3157 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3158 | break; |
3159 | ||
3160 | case SERVICE_STOP_SIGTERM: | |
4819ff03 | 3161 | if (s->kill_context.send_sigkill) { |
ac155bb8 | 3162 | log_warning("%s stopping timed out. Killing.", u->id); |
f42806df | 3163 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3164 | } else { |
ac155bb8 | 3165 | log_warning("%s stopping timed out. Skipping SIGKILL.", u->id); |
f42806df | 3166 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
3167 | } |
3168 | ||
034c6ed7 LP |
3169 | break; |
3170 | ||
3171 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 3172 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
3173 | * Must be something we cannot kill, so let's just be |
3174 | * weirded out and continue */ | |
3175 | ||
ac155bb8 | 3176 | log_warning("%s still around after SIGKILL. Ignoring.", u->id); |
f42806df | 3177 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3178 | break; |
3179 | ||
3180 | case SERVICE_STOP_POST: | |
ac155bb8 | 3181 | log_warning("%s stopping timed out (2). Terminating.", u->id); |
f42806df | 3182 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3183 | break; |
3184 | ||
3185 | case SERVICE_FINAL_SIGTERM: | |
4819ff03 | 3186 | if (s->kill_context.send_sigkill) { |
ac155bb8 | 3187 | log_warning("%s stopping timed out (2). Killing.", u->id); |
f42806df | 3188 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3189 | } else { |
ac155bb8 | 3190 | log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id); |
f42806df | 3191 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
3192 | } |
3193 | ||
034c6ed7 LP |
3194 | break; |
3195 | ||
3196 | case SERVICE_FINAL_SIGKILL: | |
ac155bb8 | 3197 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id); |
f42806df | 3198 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
3199 | break; |
3200 | ||
3201 | case SERVICE_AUTO_RESTART: | |
ac155bb8 | 3202 | log_info("%s holdoff time over, scheduling restart.", u->id); |
034c6ed7 LP |
3203 | service_enter_restart(s); |
3204 | break; | |
3205 | ||
3206 | default: | |
3207 | assert_not_reached("Timeout at wrong time."); | |
3208 | } | |
5cb5a6ff LP |
3209 | } |
3210 | ||
8e274523 LP |
3211 | static void service_cgroup_notify_event(Unit *u) { |
3212 | Service *s = SERVICE(u); | |
3213 | ||
3214 | assert(u); | |
3215 | ||
ac155bb8 | 3216 | log_debug("%s: cgroup is empty", u->id); |
8e274523 LP |
3217 | |
3218 | switch (s->state) { | |
3219 | ||
3220 | /* Waiting for SIGCHLD is usually more interesting, | |
3221 | * because it includes return codes/signals. Which is | |
3222 | * why we ignore the cgroup events for most cases, | |
3223 | * except when we don't know pid which to expect the | |
3224 | * SIGCHLD for. */ | |
3225 | ||
3a111838 MS |
3226 | case SERVICE_START: |
3227 | case SERVICE_START_POST: | |
3228 | /* If we were hoping for the daemon to write its PID file, | |
3229 | * we can give up now. */ | |
3230 | if (s->pid_file_pathspec) { | |
1124fe6f | 3231 | log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id); |
3a111838 MS |
3232 | service_unwatch_pid_file(s); |
3233 | if (s->state == SERVICE_START) | |
f42806df | 3234 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 | 3235 | else |
f42806df | 3236 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3237 | } |
3238 | break; | |
3239 | ||
8e274523 | 3240 | case SERVICE_RUNNING: |
f42806df LP |
3241 | /* service_enter_running() will figure out what to do */ |
3242 | service_enter_running(s, SERVICE_SUCCESS); | |
8e274523 LP |
3243 | break; |
3244 | ||
28708d8a LP |
3245 | case SERVICE_STOP_SIGTERM: |
3246 | case SERVICE_STOP_SIGKILL: | |
6dfa5494 | 3247 | |
28708d8a | 3248 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) |
f42806df | 3249 | service_enter_stop_post(s, SERVICE_SUCCESS); |
28708d8a LP |
3250 | |
3251 | break; | |
3252 | ||
7f97f0fe LP |
3253 | case SERVICE_FINAL_SIGTERM: |
3254 | case SERVICE_FINAL_SIGKILL: | |
3255 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
e201a038 | 3256 | service_enter_dead(s, SERVICE_SUCCESS, true); |
7f97f0fe LP |
3257 | |
3258 | break; | |
3259 | ||
8e274523 LP |
3260 | default: |
3261 | ; | |
3262 | } | |
3263 | } | |
3264 | ||
c952c6ec | 3265 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
3266 | Service *s = SERVICE(u); |
3267 | const char *e; | |
3268 | ||
3269 | assert(u); | |
3270 | ||
c952c6ec LP |
3271 | if (s->notify_access == NOTIFY_NONE) { |
3272 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
ac155bb8 | 3273 | u->id, (unsigned long) pid); |
c952c6ec LP |
3274 | return; |
3275 | } | |
3276 | ||
3277 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
3278 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
ac155bb8 | 3279 | u->id, (unsigned long) pid, (unsigned long) s->main_pid); |
c952c6ec LP |
3280 | return; |
3281 | } | |
3282 | ||
ac155bb8 | 3283 | log_debug("%s: Got message", u->id); |
8c47c732 LP |
3284 | |
3285 | /* Interpret MAINPID= */ | |
3286 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
3287 | (s->state == SERVICE_START || | |
3288 | s->state == SERVICE_START_POST || | |
3289 | s->state == SERVICE_RUNNING || | |
3290 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 3291 | |
5925dd3c | 3292 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 3293 | log_warning("Failed to parse notification message %s", e); |
8c47c732 | 3294 | else { |
ac155bb8 | 3295 | log_debug("%s: got %s", u->id, e); |
5925dd3c | 3296 | service_set_main_pid(s, pid); |
8c47c732 LP |
3297 | } |
3298 | } | |
3299 | ||
3300 | /* Interpret READY= */ | |
3301 | if (s->type == SERVICE_NOTIFY && | |
3302 | s->state == SERVICE_START && | |
3303 | strv_find(tags, "READY=1")) { | |
ac155bb8 | 3304 | log_debug("%s: got READY=1", u->id); |
8c47c732 LP |
3305 | |
3306 | service_enter_start_post(s); | |
3307 | } | |
3308 | ||
3309 | /* Interpret STATUS= */ | |
7f110ff9 LP |
3310 | e = strv_find_prefix(tags, "STATUS="); |
3311 | if (e) { | |
8c47c732 LP |
3312 | char *t; |
3313 | ||
3a2776bc | 3314 | if (e[7]) { |
7f110ff9 LP |
3315 | |
3316 | if (!utf8_is_valid(e+7)) { | |
3317 | log_warning("Status message in notification is not UTF-8 clean."); | |
3318 | return; | |
3319 | } | |
3320 | ||
3321 | t = strdup(e+7); | |
3322 | if (!t) { | |
3a2776bc LP |
3323 | log_error("Failed to allocate string."); |
3324 | return; | |
3325 | } | |
3326 | ||
ac155bb8 | 3327 | log_debug("%s: got %s", u->id, e); |
8c47c732 | 3328 | |
3a2776bc LP |
3329 | free(s->status_text); |
3330 | s->status_text = t; | |
3331 | } else { | |
3332 | free(s->status_text); | |
3333 | s->status_text = NULL; | |
3334 | } | |
8c47c732 | 3335 | |
8c47c732 | 3336 | } |
a6927d7f MO |
3337 | if (strv_find(tags, "WATCHDOG=1")) { |
3338 | log_debug("%s: got WATCHDOG=1", u->id); | |
3339 | service_reset_watchdog(s); | |
3340 | } | |
c4e2ceae LP |
3341 | |
3342 | /* Notify clients about changed status or main pid */ | |
3343 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3344 | } |
3345 | ||
07459bb6 | 3346 | #ifdef HAVE_SYSV_COMPAT |
de3910a3 FC |
3347 | |
3348 | #ifdef TARGET_SUSE | |
3349 | static void sysv_facility_in_insserv_conf(Manager *mgr) { | |
3350 | FILE *f=NULL; | |
3351 | int r; | |
3352 | ||
3353 | if (!(f = fopen("/etc/insserv.conf", "re"))) { | |
3354 | r = errno == ENOENT ? 0 : -errno; | |
3355 | goto finish; | |
3356 | } | |
3357 | ||
3358 | while (!feof(f)) { | |
3359 | char l[LINE_MAX], *t; | |
3360 | char **parsed = NULL; | |
3361 | ||
3362 | if (!fgets(l, sizeof(l), f)) { | |
3363 | if (feof(f)) | |
3364 | break; | |
3365 | ||
3366 | r = -errno; | |
3367 | log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r)); | |
3368 | goto finish; | |
3369 | } | |
3370 | ||
3371 | t = strstrip(l); | |
3372 | if (*t != '$' && *t != '<') | |
3373 | continue; | |
3374 | ||
3375 | parsed = strv_split(t,WHITESPACE); | |
3376 | /* we ignore <interactive>, not used, equivalent to X-Interactive */ | |
3377 | if (parsed && !startswith_no_case (parsed[0], "<interactive>")) { | |
3378 | char *facility; | |
3379 | Unit *u; | |
3380 | if (sysv_translate_facility(parsed[0], NULL, &facility) < 0) | |
3381 | continue; | |
ac155bb8 | 3382 | if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) { |
de3910a3 FC |
3383 | UnitDependency e; |
3384 | char *dep = NULL, *name, **j; | |
3385 | ||
3386 | STRV_FOREACH (j, parsed+1) { | |
3387 | if (*j[0]=='+') { | |
3388 | e = UNIT_WANTS; | |
3389 | name = *j+1; | |
3390 | } | |
3391 | else { | |
3392 | e = UNIT_REQUIRES; | |
3393 | name = *j; | |
3394 | } | |
3395 | if (sysv_translate_facility(name, NULL, &dep) < 0) | |
3396 | continue; | |
3397 | ||
3398 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true); | |
3399 | free(dep); | |
3400 | } | |
3401 | } | |
3402 | free(facility); | |
3403 | } | |
3404 | strv_free(parsed); | |
3405 | } | |
3406 | finish: | |
3407 | if (f) | |
3408 | fclose(f); | |
3409 | ||
3410 | } | |
3411 | #endif | |
3412 | ||
2c4104f0 | 3413 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
3414 | char **p; |
3415 | unsigned i; | |
3416 | DIR *d = NULL; | |
3417 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
3418 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
3419 | Unit *service; | |
3420 | Iterator j; | |
2c4104f0 LP |
3421 | int r; |
3422 | ||
3423 | assert(m); | |
3424 | ||
67445f4e | 3425 | if (m->running_as != SYSTEMD_SYSTEM) |
b1bc08e5 LP |
3426 | return 0; |
3427 | ||
c68364b7 LP |
3428 | zero(runlevel_services); |
3429 | ||
84e3543e | 3430 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 3431 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
3432 | struct dirent *de; |
3433 | ||
3434 | free(path); | |
b7def684 | 3435 | path = strjoin(*p, "/", rcnd_table[i].path, NULL); |
70132bd0 | 3436 | if (!path) { |
2c4104f0 LP |
3437 | r = -ENOMEM; |
3438 | goto finish; | |
3439 | } | |
3440 | ||
3441 | if (d) | |
3442 | closedir(d); | |
3443 | ||
3444 | if (!(d = opendir(path))) { | |
3445 | if (errno != ENOENT) | |
3446 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
3447 | ||
3448 | continue; | |
3449 | } | |
3450 | ||
3451 | while ((de = readdir(d))) { | |
db06e3b6 | 3452 | int a, b; |
2c4104f0 LP |
3453 | |
3454 | if (ignore_file(de->d_name)) | |
3455 | continue; | |
3456 | ||
3457 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
3458 | continue; | |
3459 | ||
3460 | if (strlen(de->d_name) < 4) | |
3461 | continue; | |
3462 | ||
db06e3b6 LP |
3463 | a = undecchar(de->d_name[1]); |
3464 | b = undecchar(de->d_name[2]); | |
3465 | ||
3466 | if (a < 0 || b < 0) | |
3467 | continue; | |
3468 | ||
2c4104f0 | 3469 | free(fpath); |
b7def684 | 3470 | fpath = strjoin(path, "/", de->d_name, NULL); |
8ea913b2 | 3471 | if (!fpath) { |
2c4104f0 LP |
3472 | r = -ENOMEM; |
3473 | goto finish; | |
3474 | } | |
3475 | ||
3476 | if (access(fpath, X_OK) < 0) { | |
3477 | ||
3478 | if (errno != ENOENT) | |
3479 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
3480 | ||
3481 | continue; | |
3482 | } | |
3483 | ||
3484 | free(name); | |
b7ccee3c | 3485 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
3486 | r = -ENOMEM; |
3487 | goto finish; | |
3488 | } | |
3489 | ||
398ef8ba | 3490 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
3491 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
3492 | continue; | |
3493 | } | |
2c4104f0 | 3494 | |
c68364b7 LP |
3495 | if (de->d_name[0] == 'S') { |
3496 | ||
f73d93a4 | 3497 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
ea87ca5a LP |
3498 | SERVICE(service)->sysv_start_priority_from_rcnd = |
3499 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd); | |
db06e3b6 | 3500 | |
c68364b7 | 3501 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3502 | } |
db06e3b6 | 3503 | |
c68364b7 LP |
3504 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
3505 | goto finish; | |
2c4104f0 | 3506 | |
c68364b7 | 3507 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 3508 | goto finish; |
23a177ef | 3509 | |
fc5df99e LP |
3510 | } else if (de->d_name[0] == 'K' && |
3511 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
3512 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3513 | |
c68364b7 LP |
3514 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3515 | goto finish; | |
3516 | ||
3517 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3518 | goto finish; |
3519 | } | |
3520 | } | |
3521 | } | |
3522 | ||
c68364b7 LP |
3523 | /* Now we loaded all stubs and are aware of the lowest |
3524 | start-up priority for all services, not let's actually load | |
3525 | the services, this will also tell us which services are | |
3526 | actually native now */ | |
3527 | manager_dispatch_load_queue(m); | |
3528 | ||
3529 | /* If this is a native service, rely on native ways to pull in | |
3530 | * a service, don't pull it in via sysv rcN.d links. */ | |
3531 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3532 | SET_FOREACH(service, runlevel_services[i], j) { | |
3533 | service = unit_follow_merge(service); | |
3534 | ||
ac155bb8 | 3535 | if (service->fragment_path) |
c68364b7 LP |
3536 | continue; |
3537 | ||
3538 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3539 | goto finish; | |
3540 | } | |
3541 | ||
3542 | /* We honour K links only for halt/reboot. For the normal | |
3543 | * runlevels we assume the stop jobs will be implicitly added | |
35b8ca3a | 3544 | * by the core logic. Also, we don't really distinguish here |
c68364b7 LP |
3545 | * between the runlevels 0 and 6 and just add them to the |
3546 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3547 | * also used for shutdown, so we add links for that too to the | |
3548 | * shutdown target.*/ | |
3549 | SET_FOREACH(service, shutdown_services, j) { | |
3550 | service = unit_follow_merge(service); | |
3551 | ||
ac155bb8 | 3552 | if (service->fragment_path) |
c68364b7 LP |
3553 | continue; |
3554 | ||
ead8e478 | 3555 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3556 | goto finish; |
3557 | } | |
3558 | ||
2c4104f0 LP |
3559 | r = 0; |
3560 | ||
de3910a3 | 3561 | #ifdef TARGET_SUSE |
3a111838 | 3562 | sysv_facility_in_insserv_conf (m); |
de3910a3 FC |
3563 | #endif |
3564 | ||
2c4104f0 LP |
3565 | finish: |
3566 | free(path); | |
3567 | free(fpath); | |
3568 | free(name); | |
fbe9f3a9 | 3569 | |
c68364b7 LP |
3570 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3571 | set_free(runlevel_services[i]); | |
3572 | set_free(shutdown_services); | |
3573 | ||
fbe9f3a9 LP |
3574 | if (d) |
3575 | closedir(d); | |
2c4104f0 LP |
3576 | |
3577 | return r; | |
3578 | } | |
07459bb6 | 3579 | #endif |
2c4104f0 | 3580 | |
05e343b7 LP |
3581 | static void service_bus_name_owner_change( |
3582 | Unit *u, | |
3583 | const char *name, | |
3584 | const char *old_owner, | |
3585 | const char *new_owner) { | |
3586 | ||
3587 | Service *s = SERVICE(u); | |
3588 | ||
3589 | assert(s); | |
3590 | assert(name); | |
3591 | ||
3592 | assert(streq(s->bus_name, name)); | |
3593 | assert(old_owner || new_owner); | |
3594 | ||
3595 | if (old_owner && new_owner) | |
ac155bb8 | 3596 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner); |
05e343b7 | 3597 | else if (old_owner) |
ac155bb8 | 3598 | log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner); |
05e343b7 | 3599 | else |
ac155bb8 | 3600 | log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner); |
05e343b7 LP |
3601 | |
3602 | s->bus_name_good = !!new_owner; | |
3603 | ||
3604 | if (s->type == SERVICE_DBUS) { | |
3605 | ||
3606 | /* service_enter_running() will figure out what to | |
3607 | * do */ | |
3608 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3609 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3610 | else if (s->state == SERVICE_START && new_owner) |
3611 | service_enter_start_post(s); | |
3612 | ||
3613 | } else if (new_owner && | |
3614 | s->main_pid <= 0 && | |
3615 | (s->state == SERVICE_START || | |
3616 | s->state == SERVICE_START_POST || | |
3617 | s->state == SERVICE_RUNNING || | |
3618 | s->state == SERVICE_RELOAD)) { | |
3619 | ||
3620 | /* Try to acquire PID from bus service */ | |
3621 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3622 | ||
ac155bb8 | 3623 | bus_query_pid(u->manager, name); |
05e343b7 LP |
3624 | } |
3625 | } | |
3626 | ||
3627 | static void service_bus_query_pid_done( | |
3628 | Unit *u, | |
3629 | const char *name, | |
3630 | pid_t pid) { | |
3631 | ||
3632 | Service *s = SERVICE(u); | |
3633 | ||
3634 | assert(s); | |
3635 | assert(name); | |
3636 | ||
ac155bb8 | 3637 | log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid); |
05e343b7 LP |
3638 | |
3639 | if (s->main_pid <= 0 && | |
3640 | (s->state == SERVICE_START || | |
3641 | s->state == SERVICE_START_POST || | |
3642 | s->state == SERVICE_RUNNING || | |
3643 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3644 | service_set_main_pid(s, pid); |
05e343b7 LP |
3645 | } |
3646 | ||
6cf6bbc2 | 3647 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
57020a3a | 3648 | |
4f2d528d LP |
3649 | assert(s); |
3650 | assert(fd >= 0); | |
3651 | ||
3652 | /* This is called by the socket code when instantiating a new | |
3653 | * service for a stream socket and the socket needs to be | |
3654 | * configured. */ | |
3655 | ||
1124fe6f | 3656 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3657 | return -EINVAL; |
3658 | ||
3659 | if (s->socket_fd >= 0) | |
3660 | return -EBUSY; | |
3661 | ||
3662 | if (s->state != SERVICE_DEAD) | |
3663 | return -EAGAIN; | |
3664 | ||
3665 | s->socket_fd = fd; | |
701cc384 | 3666 | s->got_socket_fd = true; |
6cf6bbc2 | 3667 | |
57020a3a LP |
3668 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3669 | ||
3670 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3671 | } |
3672 | ||
fdf20a31 | 3673 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3674 | Service *s = SERVICE(u); |
3675 | ||
3676 | assert(s); | |
3677 | ||
fdf20a31 | 3678 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3679 | service_set_state(s, SERVICE_DEAD); |
3680 | ||
f42806df LP |
3681 | s->result = SERVICE_SUCCESS; |
3682 | s->reload_result = SERVICE_SUCCESS; | |
451b34cc LP |
3683 | |
3684 | RATELIMIT_RESET(s->start_limit); | |
5632e374 LP |
3685 | } |
3686 | ||
c74f17d9 | 3687 | static int service_kill(Unit *u, KillWho who, int signo, DBusError *error) { |
8a0867d6 LP |
3688 | Service *s = SERVICE(u); |
3689 | int r = 0; | |
3690 | Set *pid_set = NULL; | |
3691 | ||
3692 | assert(s); | |
3693 | ||
3694 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3695 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
a17204af | 3696 | return -ESRCH; |
8a0867d6 LP |
3697 | } |
3698 | ||
3699 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3700 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
a17204af | 3701 | return -ESRCH; |
8a0867d6 LP |
3702 | } |
3703 | ||
3611581e LP |
3704 | if (who == KILL_CONTROL || who == KILL_ALL) |
3705 | if (s->control_pid > 0) | |
3706 | if (kill(s->control_pid, signo) < 0) | |
3707 | r = -errno; | |
8a0867d6 | 3708 | |
3611581e LP |
3709 | if (who == KILL_MAIN || who == KILL_ALL) |
3710 | if (s->main_pid > 0) | |
3711 | if (kill(s->main_pid, signo) < 0) | |
3712 | r = -errno; | |
8a0867d6 | 3713 | |
c74f17d9 | 3714 | if (who == KILL_ALL) { |
8a0867d6 LP |
3715 | int q; |
3716 | ||
c74f17d9 LP |
3717 | pid_set = set_new(trivial_hash_func, trivial_compare_func); |
3718 | if (!pid_set) | |
8a0867d6 LP |
3719 | return -ENOMEM; |
3720 | ||
3721 | /* Exclude the control/main pid from being killed via the cgroup */ | |
c74f17d9 LP |
3722 | if (s->control_pid > 0) { |
3723 | q = set_put(pid_set, LONG_TO_PTR(s->control_pid)); | |
3724 | if (q < 0) { | |
8a0867d6 LP |
3725 | r = q; |
3726 | goto finish; | |
3727 | } | |
c74f17d9 | 3728 | } |
8a0867d6 | 3729 | |
c74f17d9 LP |
3730 | if (s->main_pid > 0) { |
3731 | q = set_put(pid_set, LONG_TO_PTR(s->main_pid)); | |
3732 | if (q < 0) { | |
8a0867d6 LP |
3733 | r = q; |
3734 | goto finish; | |
3735 | } | |
c74f17d9 LP |
3736 | } |
3737 | ||
88f3e0c9 | 3738 | q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL); |
c74f17d9 LP |
3739 | if (q < 0 && q != -EAGAIN && q != -ESRCH && q != -ENOENT) |
3740 | r = q; | |
8a0867d6 LP |
3741 | } |
3742 | ||
3743 | finish: | |
3744 | if (pid_set) | |
3745 | set_free(pid_set); | |
3746 | ||
3747 | return r; | |
3748 | } | |
3749 | ||
94f04347 LP |
3750 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3751 | [SERVICE_DEAD] = "dead", | |
3752 | [SERVICE_START_PRE] = "start-pre", | |
3753 | [SERVICE_START] = "start", | |
3754 | [SERVICE_START_POST] = "start-post", | |
3755 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3756 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3757 | [SERVICE_RELOAD] = "reload", |
3758 | [SERVICE_STOP] = "stop", | |
3759 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3760 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3761 | [SERVICE_STOP_POST] = "stop-post", | |
3762 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3763 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3764 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3765 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3766 | }; | |
3767 | ||
3768 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3769 | ||
3770 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3771 | [SERVICE_RESTART_NO] = "no", |
3772 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3773 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3774 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3775 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3776 | }; |
3777 | ||
3778 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3779 | ||
3780 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3781 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3782 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3783 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3784 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3785 | [SERVICE_NOTIFY] = "notify", |
3786 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3787 | }; |
3788 | ||
3789 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3790 | ||
e537352b | 3791 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3792 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3793 | [SERVICE_EXEC_START] = "ExecStart", | |
3794 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3795 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3796 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3797 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3798 | }; | |
3799 | ||
3800 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3801 | ||
c952c6ec LP |
3802 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3803 | [NOTIFY_NONE] = "none", | |
3804 | [NOTIFY_MAIN] = "main", | |
3805 | [NOTIFY_ALL] = "all" | |
3806 | }; | |
3807 | ||
3808 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3809 | ||
f42806df LP |
3810 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3811 | [SERVICE_SUCCESS] = "success", | |
3812 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3813 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3814 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3815 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b | 3816 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
8d1b002a LP |
3817 | [SERVICE_FAILURE_WATCHDOG] = "watchdog", |
3818 | [SERVICE_FAILURE_START_LIMIT] = "start-limit" | |
f42806df LP |
3819 | }; |
3820 | ||
3821 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3822 | ||
4b939747 MO |
3823 | static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = { |
3824 | [SERVICE_START_LIMIT_NONE] = "none", | |
3825 | [SERVICE_START_LIMIT_REBOOT] = "reboot", | |
3826 | [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force", | |
3827 | [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate" | |
3828 | }; | |
3829 | DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction); | |
3830 | ||
87f0e418 | 3831 | const UnitVTable service_vtable = { |
7d17cfbc | 3832 | .object_size = sizeof(Service), |
3ef63c31 LP |
3833 | .exec_context_offset = offsetof(Service, exec_context), |
3834 | ||
f975e971 LP |
3835 | .sections = |
3836 | "Unit\0" | |
3837 | "Service\0" | |
3838 | "Install\0", | |
5cb5a6ff | 3839 | |
034c6ed7 LP |
3840 | .init = service_init, |
3841 | .done = service_done, | |
a16e1123 LP |
3842 | .load = service_load, |
3843 | ||
3844 | .coldplug = service_coldplug, | |
034c6ed7 | 3845 | |
5cb5a6ff LP |
3846 | .dump = service_dump, |
3847 | ||
3848 | .start = service_start, | |
3849 | .stop = service_stop, | |
3850 | .reload = service_reload, | |
3851 | ||
034c6ed7 LP |
3852 | .can_reload = service_can_reload, |
3853 | ||
8a0867d6 LP |
3854 | .kill = service_kill, |
3855 | ||
a16e1123 LP |
3856 | .serialize = service_serialize, |
3857 | .deserialize_item = service_deserialize_item, | |
3858 | ||
5cb5a6ff | 3859 | .active_state = service_active_state, |
10a94420 | 3860 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3861 | |
701cc384 LP |
3862 | .check_gc = service_check_gc, |
3863 | .check_snapshot = service_check_snapshot, | |
3864 | ||
034c6ed7 LP |
3865 | .sigchld_event = service_sigchld_event, |
3866 | .timer_event = service_timer_event, | |
3a111838 | 3867 | .fd_event = service_fd_event, |
2c4104f0 | 3868 | |
fdf20a31 | 3869 | .reset_failed = service_reset_failed, |
5632e374 | 3870 | |
8e274523 | 3871 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3872 | .notify_message = service_notify_message, |
8e274523 | 3873 | |
05e343b7 LP |
3874 | .bus_name_owner_change = service_bus_name_owner_change, |
3875 | .bus_query_pid_done = service_bus_query_pid_done, | |
3876 | ||
c4e2ceae | 3877 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3878 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3879 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3880 | |
07459bb6 | 3881 | #ifdef HAVE_SYSV_COMPAT |
c6918296 | 3882 | .enumerate = service_enumerate, |
07459bb6 | 3883 | #endif |
c6918296 MS |
3884 | .status_message_formats = { |
3885 | .starting_stopping = { | |
3886 | [0] = "Starting %s...", | |
3887 | [1] = "Stopping %s...", | |
3888 | }, | |
3889 | .finished_start_job = { | |
3890 | [JOB_DONE] = "Started %s.", | |
3891 | [JOB_FAILED] = "Failed to start %s.", | |
3892 | [JOB_DEPENDENCY] = "Dependency failed for %s.", | |
3893 | [JOB_TIMEOUT] = "Timed out starting %s.", | |
3894 | }, | |
3895 | .finished_stop_job = { | |
3896 | [JOB_DONE] = "Stopped %s.", | |
3897 | [JOB_FAILED] = "Stopped (with error) %s.", | |
3898 | [JOB_TIMEOUT] = "Timed out stopping %s.", | |
3899 | }, | |
3900 | }, | |
5cb5a6ff | 3901 | }; |