]>
Commit | Line | Data |
---|---|---|
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" |
4139c1b2 | 36 | #include "dbus-service.h" |
514f4ef5 | 37 | #include "special.h" |
398ef8ba | 38 | #include "bus-errors.h" |
9a57c629 | 39 | #include "exit-status.h" |
f6a6225e | 40 | #include "def.h" |
9eb977db | 41 | #include "path-util.h" |
f6a6225e | 42 | #include "util.h" |
7f110ff9 | 43 | #include "utf8.h" |
034c6ed7 | 44 | |
07459bb6 | 45 | #ifdef HAVE_SYSV_COMPAT |
f34277d9 | 46 | |
f6a6225e | 47 | #define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE) |
f34277d9 | 48 | |
09cd1ab1 LP |
49 | typedef enum RunlevelType { |
50 | RUNLEVEL_UP, | |
51 | RUNLEVEL_DOWN, | |
fc5df99e | 52 | RUNLEVEL_SYSINIT |
09cd1ab1 LP |
53 | } RunlevelType; |
54 | ||
55 | static const struct { | |
56 | const char *path; | |
57 | const char *target; | |
58 | const RunlevelType type; | |
59 | } rcnd_table[] = { | |
9d25f5ed | 60 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 61 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
62 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
63 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
64 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
65 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 66 | |
d4054675 | 67 | #ifdef TARGET_SUSE |
cfe243e3 | 68 | /* SUSE style boot.d */ |
fc5df99e | 69 | { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 70 | #endif |
fbe9f3a9 | 71 | |
240fc26e | 72 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
fbe9f3a9 | 73 | /* Debian style rcS.d */ |
fc5df99e | 74 | { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 75 | #endif |
9d25f5ed LP |
76 | |
77 | /* Standard SysV runlevels for shutdown */ | |
78 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
79 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
80 | ||
81 | /* Note that the order here matters, as we read the | |
82 | directories in this order, and we want to make sure that | |
83 | sysv_start_priority is known when we first load the | |
84 | unit. And that value we only know from S links. Hence | |
85 | UP/SYSINIT must be read before DOWN */ | |
23a177ef LP |
86 | }; |
87 | ||
09cd1ab1 | 88 | #define RUNLEVELS_UP "12345" |
fbe9f3a9 | 89 | /* #define RUNLEVELS_DOWN "06" */ |
e51db373 | 90 | #define RUNLEVELS_BOOT "bBsS" |
07459bb6 | 91 | #endif |
09cd1ab1 | 92 | |
acbb0225 | 93 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
94 | [SERVICE_DEAD] = UNIT_INACTIVE, |
95 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
96 | [SERVICE_START] = UNIT_ACTIVATING, | |
97 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
98 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 99 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 100 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
101 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
102 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
103 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
104 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
105 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
106 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 107 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 108 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 109 | }; |
5cb5a6ff | 110 | |
a16e1123 LP |
111 | static void service_init(Unit *u) { |
112 | Service *s = SERVICE(u); | |
c93ff2e9 | 113 | int i; |
a16e1123 LP |
114 | |
115 | assert(u); | |
ac155bb8 | 116 | assert(u->load_state == UNIT_STUB); |
a16e1123 LP |
117 | |
118 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
119 | s->restart_usec = DEFAULT_RESTART_USEC; | |
0b86feac | 120 | s->type = _SERVICE_TYPE_INVALID; |
bb242b7b MO |
121 | |
122 | s->watchdog_watch.type = WATCH_INVALID; | |
123 | ||
a16e1123 | 124 | s->timer_watch.type = WATCH_INVALID; |
07459bb6 | 125 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 126 | s->sysv_start_priority = -1; |
ea87ca5a | 127 | s->sysv_start_priority_from_rcnd = -1; |
07459bb6 | 128 | #endif |
a16e1123 | 129 | s->socket_fd = -1; |
3185a36b | 130 | s->guess_main_pid = true; |
a16e1123 LP |
131 | |
132 | exec_context_init(&s->exec_context); | |
c93ff2e9 FC |
133 | for (i = 0; i < RLIMIT_NLIMITS; i++) |
134 | if (UNIT(s)->manager->rlimit[i]) | |
135 | s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1); | |
a16e1123 | 136 | |
4b939747 | 137 | RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5); |
a16e1123 LP |
138 | |
139 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
140 | } | |
141 | ||
5e94833f LP |
142 | static void service_unwatch_control_pid(Service *s) { |
143 | assert(s); | |
144 | ||
145 | if (s->control_pid <= 0) | |
146 | return; | |
147 | ||
148 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
149 | s->control_pid = 0; | |
150 | } | |
151 | ||
152 | static void service_unwatch_main_pid(Service *s) { | |
153 | assert(s); | |
154 | ||
155 | if (s->main_pid <= 0) | |
156 | return; | |
157 | ||
158 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
159 | s->main_pid = 0; | |
160 | } | |
161 | ||
3e52541e MS |
162 | static void service_unwatch_pid_file(Service *s) { |
163 | if (!s->pid_file_pathspec) | |
164 | return; | |
165 | ||
166 | log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); | |
167 | path_spec_unwatch(s->pid_file_pathspec, UNIT(s)); | |
168 | path_spec_done(s->pid_file_pathspec); | |
169 | free(s->pid_file_pathspec); | |
170 | s->pid_file_pathspec = NULL; | |
171 | } | |
172 | ||
5925dd3c | 173 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
174 | pid_t ppid; |
175 | ||
5925dd3c LP |
176 | assert(s); |
177 | ||
178 | if (pid <= 1) | |
179 | return -EINVAL; | |
180 | ||
181 | if (pid == getpid()) | |
182 | return -EINVAL; | |
183 | ||
6dfa5494 LP |
184 | s->main_pid = pid; |
185 | s->main_pid_known = true; | |
186 | ||
187 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
e55224ca | 188 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", |
1124fe6f | 189 | UNIT(s)->id, (unsigned long) pid); |
e55224ca | 190 | |
6dfa5494 LP |
191 | s->main_pid_alien = true; |
192 | } else | |
193 | s->main_pid_alien = false; | |
5925dd3c | 194 | |
b58b4116 LP |
195 | exec_status_start(&s->main_exec_status, pid); |
196 | ||
5925dd3c LP |
197 | return 0; |
198 | } | |
199 | ||
4f2d528d LP |
200 | static void service_close_socket_fd(Service *s) { |
201 | assert(s); | |
202 | ||
203 | if (s->socket_fd < 0) | |
204 | return; | |
205 | ||
206 | close_nointr_nofail(s->socket_fd); | |
207 | s->socket_fd = -1; | |
208 | } | |
209 | ||
6cf6bbc2 LP |
210 | static void service_connection_unref(Service *s) { |
211 | assert(s); | |
212 | ||
57020a3a | 213 | if (!UNIT_DEREF(s->accept_socket)) |
6cf6bbc2 LP |
214 | return; |
215 | ||
57020a3a LP |
216 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
217 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
218 | } |
219 | ||
a6927d7f MO |
220 | static void service_stop_watchdog(Service *s) { |
221 | assert(s); | |
222 | ||
bb242b7b | 223 | unit_unwatch_timer(UNIT(s), &s->watchdog_watch); |
a6927d7f MO |
224 | s->watchdog_timestamp.realtime = 0; |
225 | s->watchdog_timestamp.monotonic = 0; | |
226 | } | |
227 | ||
bb242b7b MO |
228 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart); |
229 | ||
230 | static void service_handle_watchdog(Service *s) { | |
231 | usec_t offset; | |
232 | int r; | |
233 | ||
234 | assert(s); | |
235 | ||
236 | if (s->watchdog_usec == 0) | |
237 | return; | |
238 | ||
239 | offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic; | |
240 | if (offset >= s->watchdog_usec) { | |
241 | log_error("%s watchdog timeout!", UNIT(s)->id); | |
242 | service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true); | |
243 | return; | |
244 | } | |
245 | ||
246 | r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch); | |
247 | if (r < 0) | |
248 | log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
249 | } | |
250 | ||
a6927d7f MO |
251 | static void service_reset_watchdog(Service *s) { |
252 | assert(s); | |
253 | ||
254 | dual_timestamp_get(&s->watchdog_timestamp); | |
bb242b7b | 255 | service_handle_watchdog(s); |
a6927d7f MO |
256 | } |
257 | ||
87f0e418 LP |
258 | static void service_done(Unit *u) { |
259 | Service *s = SERVICE(u); | |
44d8db9e LP |
260 | |
261 | assert(s); | |
262 | ||
263 | free(s->pid_file); | |
264 | s->pid_file = NULL; | |
265 | ||
07459bb6 | 266 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
267 | free(s->sysv_path); |
268 | s->sysv_path = NULL; | |
269 | ||
8309400a LP |
270 | free(s->sysv_runlevels); |
271 | s->sysv_runlevels = NULL; | |
07459bb6 | 272 | #endif |
8309400a | 273 | |
8c47c732 LP |
274 | free(s->status_text); |
275 | s->status_text = NULL; | |
276 | ||
44d8db9e | 277 | exec_context_done(&s->exec_context); |
e537352b | 278 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 279 | s->control_command = NULL; |
867b3b7d | 280 | s->main_command = NULL; |
44d8db9e LP |
281 | |
282 | /* This will leak a process, but at least no memory or any of | |
283 | * our resources */ | |
5e94833f LP |
284 | service_unwatch_main_pid(s); |
285 | service_unwatch_control_pid(s); | |
3e52541e | 286 | service_unwatch_pid_file(s); |
44d8db9e | 287 | |
05e343b7 | 288 | if (s->bus_name) { |
ac155bb8 | 289 | unit_unwatch_bus_name(u, s->bus_name); |
05e343b7 LP |
290 | free(s->bus_name); |
291 | s->bus_name = NULL; | |
292 | } | |
293 | ||
4f2d528d | 294 | service_close_socket_fd(s); |
6cf6bbc2 | 295 | service_connection_unref(s); |
4f2d528d | 296 | |
57020a3a | 297 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 298 | |
bb242b7b MO |
299 | service_stop_watchdog(s); |
300 | ||
acbb0225 | 301 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
302 | } |
303 | ||
07459bb6 | 304 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
305 | static char *sysv_translate_name(const char *name) { |
306 | char *r; | |
307 | ||
308 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
309 | return NULL; | |
310 | ||
1bd8b818 | 311 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 MB |
312 | if (endswith(name, ".sh")) |
313 | /* Drop Debian-style .sh suffix */ | |
314 | strcpy(stpcpy(r, name) - 3, ".service"); | |
315 | #endif | |
316 | #ifdef TARGET_SUSE | |
b7ccee3c LP |
317 | if (startswith(name, "boot.")) |
318 | /* Drop SuSE-style boot. prefix */ | |
319 | strcpy(stpcpy(r, name + 5), ".service"); | |
5b819198 | 320 | #endif |
65530632 | 321 | #ifdef TARGET_FRUGALWARE |
5b819198 | 322 | if (startswith(name, "rc.")) |
65530632 MV |
323 | /* Drop Frugalware-style rc. prefix */ |
324 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 325 | #endif |
b7ccee3c LP |
326 | else |
327 | /* Normal init scripts */ | |
328 | strcpy(stpcpy(r, name), ".service"); | |
329 | ||
330 | return r; | |
331 | } | |
332 | ||
ee95669f | 333 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 334 | |
a7d3cc26 LP |
335 | /* We silently ignore the $ prefix here. According to the LSB |
336 | * spec it simply indicates whether something is a | |
337 | * standardized name or a distribution-specific one. Since we | |
338 | * just follow what already exists and do not introduce new | |
339 | * uses or names we don't care who introduced a new name. */ | |
340 | ||
2c4104f0 | 341 | static const char * const table[] = { |
6464aa08 | 342 | /* LSB defined facilities */ |
a7d3cc26 | 343 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
6fdae8a6 DM |
344 | #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) |
345 | #else | |
8d0e38a2 LP |
346 | /* Due to unfortunate name selection in Mandriva, |
347 | * $network is provided by network-up which is ordered | |
348 | * after network which actually starts interfaces. | |
349 | * To break the loop, just ignore it */ | |
a7d3cc26 | 350 | "network", SPECIAL_NETWORK_TARGET, |
1de4d79b | 351 | #endif |
a7d3cc26 LP |
352 | "named", SPECIAL_NSS_LOOKUP_TARGET, |
353 | "portmap", SPECIAL_RPCBIND_TARGET, | |
354 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
355 | "syslog", SPECIAL_SYSLOG_TARGET, | |
4466194c | 356 | "time", SPECIAL_TIME_SYNC_TARGET, |
6464aa08 | 357 | |
0b603b4e KS |
358 | /* common extensions */ |
359 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
360 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
361 | "null", NULL, | |
362 | ||
1bd8b818 | 363 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
a7d3cc26 | 364 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 365 | #endif |
3177a49c LP |
366 | |
367 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
368 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
369 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
370 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 371 | #endif |
a7d3cc26 | 372 | |
0b603b4e KS |
373 | #ifdef TARGET_SUSE |
374 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
375 | #endif | |
2c4104f0 LP |
376 | }; |
377 | ||
378 | unsigned i; | |
379 | char *r; | |
ee95669f | 380 | const char *n; |
2c4104f0 | 381 | |
ee95669f LP |
382 | assert(name); |
383 | assert(_r); | |
a7d3cc26 | 384 | |
ee95669f | 385 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 386 | |
ee95669f | 387 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 388 | |
ee95669f LP |
389 | if (!streq(table[i], n)) |
390 | continue; | |
2c4104f0 | 391 | |
ee95669f LP |
392 | if (!table[i+1]) |
393 | return 0; | |
394 | ||
395 | if (!(r = strdup(table[i+1]))) | |
396 | return -ENOMEM; | |
397 | ||
398 | goto finish; | |
399 | } | |
2c4104f0 | 400 | |
a7d3cc26 | 401 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 402 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 403 | |
e83c7c0b LP |
404 | if (*name == '$') { |
405 | if (!unit_prefix_is_valid(n)) | |
406 | return -EINVAL; | |
407 | ||
ee95669f LP |
408 | /* Facilities starting with $ are most likely targets */ |
409 | r = unit_name_build(n, NULL, ".target"); | |
e83c7c0b | 410 | } else if (filename && streq(name, filename)) |
35b8ca3a | 411 | /* Names equaling the file name of the services are redundant */ |
ee95669f | 412 | return 0; |
32159d3a | 413 | else |
ee95669f LP |
414 | /* Everything else we assume to be normal service names */ |
415 | r = sysv_translate_name(n); | |
2c4104f0 | 416 | |
32159d3a | 417 | if (!r) |
2c4104f0 LP |
418 | return -ENOMEM; |
419 | ||
420 | finish: | |
b4353094 | 421 | *_r = r; |
2c4104f0 LP |
422 | |
423 | return 1; | |
424 | } | |
425 | ||
56d748b4 | 426 | static int sysv_fix_order(Service *s) { |
ac155bb8 | 427 | Unit *other; |
2c4104f0 LP |
428 | int r; |
429 | ||
430 | assert(s); | |
431 | ||
432 | if (s->sysv_start_priority < 0) | |
433 | return 0; | |
434 | ||
23a177ef LP |
435 | /* For each pair of services where at least one lacks a LSB |
436 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 437 | |
1124fe6f | 438 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
2c4104f0 LP |
439 | Service *t; |
440 | UnitDependency d; | |
eeaafddc | 441 | bool special_s, special_t; |
2c4104f0 | 442 | |
595ed347 | 443 | t = SERVICE(other); |
2c4104f0 LP |
444 | |
445 | if (s == t) | |
446 | continue; | |
9f151f29 | 447 | |
1124fe6f | 448 | if (UNIT(t)->load_state != UNIT_LOADED) |
9f151f29 | 449 | continue; |
2c4104f0 LP |
450 | |
451 | if (t->sysv_start_priority < 0) | |
452 | continue; | |
453 | ||
51a1a79d LP |
454 | /* If both units have modern headers we don't care |
455 | * about the priorities */ | |
1124fe6f MS |
456 | if ((UNIT(s)->fragment_path || s->sysv_has_lsb) && |
457 | (UNIT(t)->fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
458 | continue; |
459 | ||
eeaafddc LP |
460 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
461 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
462 | ||
463 | if (special_t && !special_s) | |
464 | d = UNIT_AFTER; | |
465 | else if (special_s && !special_t) | |
466 | d = UNIT_BEFORE; | |
467 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
468 | d = UNIT_AFTER; |
469 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
470 | d = UNIT_BEFORE; | |
471 | else | |
472 | continue; | |
473 | ||
474 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
475 | ||
da19d5c1 | 476 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
477 | return r; |
478 | } | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
484 | ExecCommand *c; | |
485 | ||
486 | if (!(c = new0(ExecCommand, 1))) | |
487 | return NULL; | |
488 | ||
489 | if (!(c->path = strdup(path))) { | |
490 | free(c); | |
491 | return NULL; | |
492 | } | |
493 | ||
494 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
495 | free(c->path); | |
496 | free(c); | |
497 | return NULL; | |
498 | } | |
499 | ||
500 | return c; | |
501 | } | |
502 | ||
503 | static int sysv_exec_commands(Service *s) { | |
504 | ExecCommand *c; | |
505 | ||
506 | assert(s); | |
507 | assert(s->sysv_path); | |
508 | ||
509 | if (!(c = exec_command_new(s->sysv_path, "start"))) | |
510 | return -ENOMEM; | |
511 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
512 | ||
513 | if (!(c = exec_command_new(s->sysv_path, "stop"))) | |
514 | return -ENOMEM; | |
515 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
516 | ||
517 | if (!(c = exec_command_new(s->sysv_path, "reload"))) | |
518 | return -ENOMEM; | |
519 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
520 | ||
521 | return 0; | |
522 | } | |
523 | ||
e537352b | 524 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
525 | FILE *f; |
526 | Unit *u; | |
527 | unsigned line = 0; | |
528 | int r; | |
529 | enum { | |
530 | NORMAL, | |
531 | DESCRIPTION, | |
532 | LSB, | |
533 | LSB_DESCRIPTION | |
534 | } state = NORMAL; | |
0b5d26f9 | 535 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
5f4b19f4 | 536 | struct stat st; |
23a177ef LP |
537 | |
538 | assert(s); | |
539 | assert(path); | |
2c4104f0 LP |
540 | |
541 | u = UNIT(s); | |
542 | ||
543 | if (!(f = fopen(path, "re"))) { | |
544 | r = errno == ENOENT ? 0 : -errno; | |
545 | goto finish; | |
546 | } | |
547 | ||
5f4b19f4 LP |
548 | zero(st); |
549 | if (fstat(fileno(f), &st) < 0) { | |
550 | r = -errno; | |
551 | goto finish; | |
552 | } | |
553 | ||
2c4104f0 LP |
554 | free(s->sysv_path); |
555 | if (!(s->sysv_path = strdup(path))) { | |
556 | r = -ENOMEM; | |
557 | goto finish; | |
558 | } | |
559 | ||
5f4b19f4 LP |
560 | s->sysv_mtime = timespec_load(&st.st_mtim); |
561 | ||
562 | if (null_or_empty(&st)) { | |
ac155bb8 | 563 | u->load_state = UNIT_MASKED; |
5f4b19f4 LP |
564 | r = 0; |
565 | goto finish; | |
566 | } | |
567 | ||
2c4104f0 LP |
568 | while (!feof(f)) { |
569 | char l[LINE_MAX], *t; | |
570 | ||
571 | if (!fgets(l, sizeof(l), f)) { | |
572 | if (feof(f)) | |
573 | break; | |
574 | ||
575 | r = -errno; | |
576 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
577 | goto finish; | |
578 | } | |
579 | ||
580 | line++; | |
581 | ||
582 | t = strstrip(l); | |
583 | if (*t != '#') | |
584 | continue; | |
585 | ||
586 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
587 | state = LSB; | |
23a177ef | 588 | s->sysv_has_lsb = true; |
2c4104f0 LP |
589 | continue; |
590 | } | |
591 | ||
592 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
593 | state = NORMAL; | |
594 | continue; | |
595 | } | |
596 | ||
597 | t++; | |
598 | t += strspn(t, WHITESPACE); | |
599 | ||
600 | if (state == NORMAL) { | |
601 | ||
602 | /* Try to parse Red Hat style chkconfig headers */ | |
603 | ||
c2b35af6 | 604 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 605 | int start_priority; |
8309400a | 606 | char runlevels[16], *k; |
2c4104f0 LP |
607 | |
608 | state = NORMAL; | |
609 | ||
8309400a LP |
610 | if (sscanf(t+10, "%15s %i %*i", |
611 | runlevels, | |
612 | &start_priority) != 2) { | |
2c4104f0 LP |
613 | |
614 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
615 | continue; | |
616 | } | |
617 | ||
fbe9f3a9 LP |
618 | /* A start priority gathered from the |
619 | * symlink farms is preferred over the | |
620 | * data from the LSB header. */ | |
8309400a | 621 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 622 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
ea87ca5a | 623 | else |
8309400a LP |
624 | s->sysv_start_priority = start_priority; |
625 | ||
626 | char_array_0(runlevels); | |
627 | k = delete_chars(runlevels, WHITESPACE "-"); | |
628 | ||
629 | if (k[0]) { | |
630 | char *d; | |
631 | ||
632 | if (!(d = strdup(k))) { | |
633 | r = -ENOMEM; | |
634 | goto finish; | |
635 | } | |
636 | ||
637 | free(s->sysv_runlevels); | |
638 | s->sysv_runlevels = d; | |
2c4104f0 LP |
639 | } |
640 | ||
0b5d26f9 | 641 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
642 | |
643 | size_t k = strlen(t); | |
644 | char *d; | |
0b5d26f9 | 645 | const char *j; |
2c4104f0 LP |
646 | |
647 | if (t[k-1] == '\\') { | |
648 | state = DESCRIPTION; | |
649 | t[k-1] = 0; | |
650 | } | |
651 | ||
0b5d26f9 LP |
652 | if ((j = strstrip(t+12)) && *j) { |
653 | if (!(d = strdup(j))) { | |
654 | r = -ENOMEM; | |
655 | goto finish; | |
656 | } | |
657 | } else | |
658 | d = NULL; | |
2c4104f0 | 659 | |
0b5d26f9 LP |
660 | free(chkconfig_description); |
661 | chkconfig_description = d; | |
2c4104f0 | 662 | |
c2b35af6 | 663 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
664 | |
665 | char *fn; | |
666 | ||
667 | state = NORMAL; | |
668 | ||
669 | fn = strstrip(t+8); | |
670 | if (!path_is_absolute(fn)) { | |
671 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
672 | continue; | |
673 | } | |
674 | ||
675 | if (!(fn = strdup(fn))) { | |
676 | r = -ENOMEM; | |
677 | goto finish; | |
678 | } | |
679 | ||
680 | free(s->pid_file); | |
681 | s->pid_file = fn; | |
682 | } | |
683 | ||
684 | } else if (state == DESCRIPTION) { | |
685 | ||
686 | /* Try to parse Red Hat style description | |
687 | * continuation */ | |
688 | ||
689 | size_t k = strlen(t); | |
0b5d26f9 | 690 | char *j; |
2c4104f0 LP |
691 | |
692 | if (t[k-1] == '\\') | |
693 | t[k-1] = 0; | |
694 | else | |
695 | state = NORMAL; | |
696 | ||
0b5d26f9 LP |
697 | if ((j = strstrip(t)) && *j) { |
698 | char *d = NULL; | |
699 | ||
700 | if (chkconfig_description) | |
44d91056 | 701 | d = join(chkconfig_description, " ", j, NULL); |
0b5d26f9 LP |
702 | else |
703 | d = strdup(j); | |
2c4104f0 | 704 | |
0b5d26f9 LP |
705 | if (!d) { |
706 | r = -ENOMEM; | |
707 | goto finish; | |
708 | } | |
709 | ||
710 | free(chkconfig_description); | |
711 | chkconfig_description = d; | |
712 | } | |
2c4104f0 LP |
713 | |
714 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
715 | ||
c2b35af6 | 716 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
717 | char *i, *w; |
718 | size_t z; | |
719 | ||
720 | state = LSB; | |
721 | ||
f60f22df | 722 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
723 | char *n, *m; |
724 | ||
725 | if (!(n = strndup(w, z))) { | |
726 | r = -ENOMEM; | |
727 | goto finish; | |
728 | } | |
729 | ||
9eb977db | 730 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 LP |
731 | free(n); |
732 | ||
733 | if (r < 0) | |
734 | goto finish; | |
735 | ||
736 | if (r == 0) | |
737 | continue; | |
738 | ||
bd77d0fc LP |
739 | if (unit_name_to_type(m) == UNIT_SERVICE) |
740 | r = unit_add_name(u, m); | |
9700edb4 LP |
741 | else |
742 | /* NB: SysV targets | |
743 | * which are provided | |
744 | * by a service are | |
745 | * pulled in by the | |
746 | * services, as an | |
747 | * indication that the | |
748 | * generic service is | |
749 | * now available. This | |
750 | * is strictly | |
751 | * one-way. The | |
752 | * targets do NOT pull | |
753 | * in the SysV | |
754 | * services! */ | |
755 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true); | |
bd77d0fc | 756 | |
2c4104f0 | 757 | if (r < 0) |
43a37549 | 758 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
759 | |
760 | free(m); | |
2c4104f0 LP |
761 | } |
762 | ||
c2b35af6 LP |
763 | } else if (startswith_no_case(t, "Required-Start:") || |
764 | startswith_no_case(t, "Should-Start:") || | |
765 | startswith_no_case(t, "X-Start-Before:") || | |
766 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
767 | char *i, *w; |
768 | size_t z; | |
769 | ||
770 | state = LSB; | |
771 | ||
f60f22df | 772 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
773 | char *n, *m; |
774 | ||
775 | if (!(n = strndup(w, z))) { | |
776 | r = -ENOMEM; | |
777 | goto finish; | |
778 | } | |
779 | ||
9eb977db | 780 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 | 781 | |
e83c7c0b LP |
782 | if (r < 0) { |
783 | log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r)); | |
784 | free(n); | |
785 | continue; | |
786 | } | |
787 | ||
788 | free(n); | |
2c4104f0 LP |
789 | |
790 | if (r == 0) | |
791 | continue; | |
792 | ||
c2b35af6 | 793 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
794 | |
795 | if (r < 0) | |
43a37549 | 796 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
797 | |
798 | free(m); | |
2c4104f0 | 799 | } |
c2b35af6 | 800 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
801 | char *k, *d; |
802 | ||
803 | state = LSB; | |
804 | ||
805 | k = delete_chars(t+14, WHITESPACE "-"); | |
806 | ||
807 | if (k[0] != 0) { | |
808 | if (!(d = strdup(k))) { | |
809 | r = -ENOMEM; | |
810 | goto finish; | |
811 | } | |
812 | ||
813 | free(s->sysv_runlevels); | |
814 | s->sysv_runlevels = d; | |
815 | } | |
2c4104f0 | 816 | |
0b5d26f9 LP |
817 | } else if (startswith_no_case(t, "Description:")) { |
818 | char *d, *j; | |
ed4c1cc6 | 819 | |
2c4104f0 LP |
820 | state = LSB_DESCRIPTION; |
821 | ||
0b5d26f9 LP |
822 | if ((j = strstrip(t+12)) && *j) { |
823 | if (!(d = strdup(j))) { | |
824 | r = -ENOMEM; | |
825 | goto finish; | |
826 | } | |
827 | } else | |
828 | d = NULL; | |
2c4104f0 | 829 | |
0b5d26f9 LP |
830 | free(long_description); |
831 | long_description = d; | |
2c4104f0 | 832 | |
ed4c1cc6 | 833 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 834 | char *d, *j; |
2c4104f0 | 835 | |
2c4104f0 LP |
836 | state = LSB; |
837 | ||
0b5d26f9 LP |
838 | if ((j = strstrip(t+18)) && *j) { |
839 | if (!(d = strdup(j))) { | |
840 | r = -ENOMEM; | |
841 | goto finish; | |
842 | } | |
843 | } else | |
844 | d = NULL; | |
2c4104f0 | 845 | |
0b5d26f9 LP |
846 | free(short_description); |
847 | short_description = d; | |
2c4104f0 LP |
848 | |
849 | } else if (state == LSB_DESCRIPTION) { | |
850 | ||
851 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 852 | char *j; |
2c4104f0 | 853 | |
0b5d26f9 LP |
854 | if ((j = strstrip(t)) && *j) { |
855 | char *d = NULL; | |
856 | ||
857 | if (long_description) | |
44d91056 | 858 | d = join(long_description, " ", t, NULL); |
0b5d26f9 LP |
859 | else |
860 | d = strdup(j); | |
861 | ||
862 | if (!d) { | |
863 | r = -ENOMEM; | |
864 | goto finish; | |
865 | } | |
866 | ||
867 | free(long_description); | |
868 | long_description = d; | |
2c4104f0 LP |
869 | } |
870 | ||
2c4104f0 LP |
871 | } else |
872 | state = LSB; | |
873 | } | |
874 | } | |
875 | } | |
876 | ||
2c4104f0 LP |
877 | if ((r = sysv_exec_commands(s)) < 0) |
878 | goto finish; | |
e51db373 TFH |
879 | if (s->sysv_runlevels && |
880 | chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) && | |
881 | chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { | |
882 | /* Service has both boot and "up" runlevels | |
883 | configured. Kill the "up" ones. */ | |
884 | delete_chars(s->sysv_runlevels, RUNLEVELS_UP); | |
885 | } | |
2c4104f0 | 886 | |
a40eb732 | 887 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
888 | /* If there a runlevels configured for this service |
889 | * but none of the standard ones, then we assume this | |
890 | * is some special kind of service (which might be | |
891 | * needed for early boot) and don't create any links | |
892 | * to it. */ | |
893 | ||
1124fe6f | 894 | UNIT(s)->default_dependencies = false; |
09cd1ab1 | 895 | |
09cd1ab1 LP |
896 | /* Don't timeout special services during boot (like fsck) */ |
897 | s->timeout_usec = 0; | |
f34277d9 LP |
898 | } else |
899 | s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
0fd030be | 900 | |
80876c20 | 901 | /* Special setting for all SysV services */ |
1f48cf56 | 902 | s->type = SERVICE_FORKING; |
f8788303 | 903 | s->remain_after_exit = !s->pid_file; |
1835f23c | 904 | s->guess_main_pid = false; |
525ee6f4 | 905 | s->restart = SERVICE_RESTART_NO; |
353e12c2 | 906 | s->exec_context.ignore_sigpipe = false; |
4dfc092a | 907 | |
1124fe6f | 908 | if (UNIT(s)->manager->sysv_console) |
706343f4 | 909 | s->exec_context.std_output = EXEC_OUTPUT_JOURNAL_AND_CONSOLE; |
4dfc092a | 910 | |
cd25cce9 | 911 | s->exec_context.kill_mode = KILL_PROCESS; |
80876c20 | 912 | |
0b5d26f9 LP |
913 | /* We use the long description only if |
914 | * no short description is set. */ | |
915 | ||
916 | if (short_description) | |
917 | description = short_description; | |
918 | else if (chkconfig_description) | |
919 | description = chkconfig_description; | |
920 | else if (long_description) | |
921 | description = long_description; | |
922 | else | |
923 | description = NULL; | |
924 | ||
925 | if (description) { | |
926 | char *d; | |
927 | ||
e527618d | 928 | if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) { |
0b5d26f9 LP |
929 | r = -ENOMEM; |
930 | goto finish; | |
931 | } | |
932 | ||
ac155bb8 | 933 | u->description = d; |
0b5d26f9 LP |
934 | } |
935 | ||
ea87ca5a LP |
936 | /* The priority that has been set in /etc/rcN.d/ hierarchies |
937 | * takes precedence over what is stored as default in the LSB | |
938 | * header */ | |
939 | if (s->sysv_start_priority_from_rcnd >= 0) | |
940 | s->sysv_start_priority = s->sysv_start_priority_from_rcnd; | |
941 | ||
ac155bb8 | 942 | u->load_state = UNIT_LOADED; |
23a177ef | 943 | r = 0; |
2c4104f0 LP |
944 | |
945 | finish: | |
946 | ||
947 | if (f) | |
948 | fclose(f); | |
949 | ||
0b5d26f9 LP |
950 | free(short_description); |
951 | free(long_description); | |
952 | free(chkconfig_description); | |
953 | ||
2c4104f0 LP |
954 | return r; |
955 | } | |
956 | ||
e537352b | 957 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
958 | char **p; |
959 | ||
960 | assert(s); | |
961 | assert(name); | |
962 | ||
e1992852 | 963 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca | 964 | * prefixes/suffixes. */ |
1bd8b818 | 965 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 | 966 | if (endswith(name, ".sh.service")) |
d017c6ca | 967 | return -ENOENT; |
5b819198 MB |
968 | #endif |
969 | ||
970 | #ifdef TARGET_SUSE | |
971 | if (startswith(name, "boot.")) | |
972 | return -ENOENT; | |
973 | #endif | |
974 | ||
975 | #ifdef TARGET_FRUGALWARE | |
976 | if (startswith(name, "rc.")) | |
977 | return -ENOENT; | |
978 | #endif | |
d017c6ca | 979 | |
1124fe6f | 980 | STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
981 | char *path; |
982 | int r; | |
983 | ||
44d91056 LP |
984 | path = join(*p, "/", name, NULL); |
985 | if (!path) | |
2c4104f0 LP |
986 | return -ENOMEM; |
987 | ||
988 | assert(endswith(path, ".service")); | |
989 | path[strlen(path)-8] = 0; | |
990 | ||
e537352b | 991 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 992 | |
1bd8b818 | 993 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
1124fe6f | 994 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 995 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
996 | strcat(path, ".sh"); |
997 | r = service_load_sysv_path(s, path); | |
998 | } | |
e1992852 | 999 | #endif |
2c4104f0 LP |
1000 | free(path); |
1001 | ||
e1992852 | 1002 | #ifdef TARGET_SUSE |
1124fe6f | 1003 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1004 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 | 1005 | |
44d91056 LP |
1006 | path = join(*p, "/boot.", name, NULL); |
1007 | if (!path) | |
fbe9f3a9 LP |
1008 | return -ENOMEM; |
1009 | ||
e1992852 | 1010 | /* Drop .service suffix */ |
fbe9f3a9 LP |
1011 | path[strlen(path)-8] = 0; |
1012 | r = service_load_sysv_path(s, path); | |
1013 | free(path); | |
1014 | } | |
e1992852 | 1015 | #endif |
fbe9f3a9 | 1016 | |
e1992852 | 1017 | #ifdef TARGET_FRUGALWARE |
1124fe6f | 1018 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1019 | /* Try Frugalware style rc.* init scripts */ |
65530632 | 1020 | |
44d91056 LP |
1021 | path = join(*p, "/rc.", name, NULL); |
1022 | if (!path) | |
65530632 MV |
1023 | return -ENOMEM; |
1024 | ||
e1992852 | 1025 | /* Drop .service suffix */ |
65530632 MV |
1026 | path[strlen(path)-8] = 0; |
1027 | r = service_load_sysv_path(s, path); | |
1028 | free(path); | |
1029 | } | |
e1992852 | 1030 | #endif |
65530632 | 1031 | |
23a177ef | 1032 | if (r < 0) |
2c4104f0 | 1033 | return r; |
23a177ef | 1034 | |
1124fe6f | 1035 | if ((UNIT(s)->load_state != UNIT_STUB)) |
23a177ef | 1036 | break; |
2c4104f0 LP |
1037 | } |
1038 | ||
1039 | return 0; | |
1040 | } | |
1041 | ||
e537352b | 1042 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
1043 | const char *t; |
1044 | Iterator i; | |
1045 | int r; | |
1046 | ||
5cb5a6ff LP |
1047 | assert(s); |
1048 | ||
1049 | /* Load service data from SysV init scripts, preferably with | |
1050 | * LSB headers ... */ | |
1051 | ||
1124fe6f | 1052 | if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
1053 | return 0; |
1054 | ||
1124fe6f | 1055 | if ((t = UNIT(s)->id)) |
e537352b | 1056 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
1057 | return r; |
1058 | ||
1124fe6f MS |
1059 | if (UNIT(s)->load_state == UNIT_STUB) |
1060 | SET_FOREACH(t, UNIT(s)->names, i) { | |
1061 | if (t == UNIT(s)->id) | |
e537352b LP |
1062 | continue; |
1063 | ||
e364ad06 | 1064 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
1065 | return r; |
1066 | ||
1124fe6f | 1067 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef LP |
1068 | break; |
1069 | } | |
2c4104f0 LP |
1070 | |
1071 | return 0; | |
5cb5a6ff | 1072 | } |
07459bb6 | 1073 | #endif |
5cb5a6ff | 1074 | |
9fff8a1f | 1075 | static int fsck_fix_order(Service *s) { |
ac155bb8 | 1076 | Unit *other; |
9fff8a1f LP |
1077 | int r; |
1078 | ||
1079 | assert(s); | |
1080 | ||
1081 | if (s->fsck_passno <= 0) | |
1082 | return 0; | |
1083 | ||
1084 | /* For each pair of services where both have an fsck priority | |
1085 | * we order things based on it. */ | |
1086 | ||
1124fe6f | 1087 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
9fff8a1f LP |
1088 | Service *t; |
1089 | UnitDependency d; | |
1090 | ||
595ed347 | 1091 | t = SERVICE(other); |
9fff8a1f LP |
1092 | |
1093 | if (s == t) | |
1094 | continue; | |
1095 | ||
1124fe6f | 1096 | if (UNIT(t)->load_state != UNIT_LOADED) |
9fff8a1f LP |
1097 | continue; |
1098 | ||
1099 | if (t->fsck_passno <= 0) | |
1100 | continue; | |
1101 | ||
1102 | if (t->fsck_passno < s->fsck_passno) | |
1103 | d = UNIT_AFTER; | |
1104 | else if (t->fsck_passno > s->fsck_passno) | |
1105 | d = UNIT_BEFORE; | |
1106 | else | |
1107 | continue; | |
1108 | ||
da19d5c1 | 1109 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
9fff8a1f LP |
1110 | return r; |
1111 | } | |
1112 | ||
1113 | return 0; | |
1114 | } | |
1115 | ||
243b1432 LP |
1116 | static int service_verify(Service *s) { |
1117 | assert(s); | |
1118 | ||
1124fe6f | 1119 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
1120 | return 0; |
1121 | ||
1122 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
1124fe6f | 1123 | log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id); |
243b1432 LP |
1124 | return -EINVAL; |
1125 | } | |
1126 | ||
34e9ba66 LP |
1127 | if (s->type != SERVICE_ONESHOT && |
1128 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1124fe6f | 1129 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
6cf6bbc2 LP |
1130 | return -EINVAL; |
1131 | } | |
1132 | ||
c06b7a15 LP |
1133 | if (s->type == SERVICE_ONESHOT && |
1134 | s->exec_command[SERVICE_EXEC_RELOAD]) { | |
1124fe6f | 1135 | log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
c06b7a15 LP |
1136 | return -EINVAL; |
1137 | } | |
1138 | ||
05e343b7 | 1139 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
1124fe6f | 1140 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id); |
4d0e5dbd LP |
1141 | return -EINVAL; |
1142 | } | |
1143 | ||
7e2668c6 LP |
1144 | if (s->bus_name && s->type != SERVICE_DBUS) |
1145 | log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id); | |
1146 | ||
2e22afe9 | 1147 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
1124fe6f | 1148 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id); |
05e343b7 LP |
1149 | return -EINVAL; |
1150 | } | |
1151 | ||
243b1432 LP |
1152 | return 0; |
1153 | } | |
1154 | ||
a40eb732 LP |
1155 | static int service_add_default_dependencies(Service *s) { |
1156 | int r; | |
1157 | ||
1158 | assert(s); | |
1159 | ||
1160 | /* Add a number of automatic dependencies useful for the | |
1161 | * majority of services. */ | |
1162 | ||
1163 | /* First, pull in base system */ | |
1124fe6f | 1164 | if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) { |
a40eb732 LP |
1165 | |
1166 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1167 | return r; | |
1168 | ||
1124fe6f | 1169 | } else if (UNIT(s)->manager->running_as == MANAGER_USER) { |
a40eb732 LP |
1170 | |
1171 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1172 | return r; | |
1173 | } | |
1174 | ||
1175 | /* Second, activate normal shutdown */ | |
ead8e478 | 1176 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1177 | } |
1178 | ||
4dfc092a LP |
1179 | static void service_fix_output(Service *s) { |
1180 | assert(s); | |
1181 | ||
1182 | /* If nothing has been explicitly configured, patch default | |
1183 | * output in. If input is socket/tty we avoid this however, | |
1184 | * since in that case we want output to default to the same | |
1185 | * place as we read input from. */ | |
1186 | ||
1187 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
1188 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1189 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1190 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
1191 | |
1192 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1193 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1194 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
1195 | } |
1196 | ||
e537352b LP |
1197 | static int service_load(Unit *u) { |
1198 | int r; | |
1199 | Service *s = SERVICE(u); | |
1200 | ||
1201 | assert(s); | |
1e2e8133 | 1202 | |
5cb5a6ff | 1203 | /* Load a .service file */ |
e537352b | 1204 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1205 | return r; |
1206 | ||
07459bb6 | 1207 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1208 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
ac155bb8 | 1209 | if (u->load_state == UNIT_STUB) |
e537352b | 1210 | if ((r = service_load_sysv(s)) < 0) |
23a177ef | 1211 | return r; |
07459bb6 | 1212 | #endif |
d46de8a1 | 1213 | |
23a177ef | 1214 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 1215 | if (u->load_state == UNIT_STUB) |
23a177ef | 1216 | return -ENOENT; |
034c6ed7 | 1217 | |
23a177ef LP |
1218 | /* We were able to load something, then let's add in the |
1219 | * dropin directories. */ | |
1220 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1221 | return r; |
23a177ef LP |
1222 | |
1223 | /* This is a new unit? Then let's add in some extras */ | |
ac155bb8 | 1224 | if (u->load_state == UNIT_LOADED) { |
0b86feac LP |
1225 | if (s->type == _SERVICE_TYPE_INVALID) |
1226 | s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; | |
1227 | ||
4e2b0f9b LP |
1228 | service_fix_output(s); |
1229 | ||
23a177ef LP |
1230 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1231 | return r; | |
1232 | ||
d686d8a9 | 1233 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1234 | return r; |
1235 | ||
07459bb6 | 1236 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1237 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1238 | return r; |
07459bb6 | 1239 | #endif |
05e343b7 | 1240 | |
9fff8a1f LP |
1241 | if ((r = fsck_fix_order(s)) < 0) |
1242 | return r; | |
1243 | ||
ee0dd802 | 1244 | if (s->bus_name) |
05e343b7 | 1245 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1246 | return r; |
c952c6ec LP |
1247 | |
1248 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1249 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 | 1250 | |
02c4ef9c LP |
1251 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) |
1252 | s->notify_access = NOTIFY_MAIN; | |
1253 | ||
a40eb732 | 1254 | if (s->type == SERVICE_DBUS || s->bus_name) |
177b3ffe | 1255 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0) |
a40eb732 LP |
1256 | return r; |
1257 | ||
1124fe6f | 1258 | if (UNIT(s)->default_dependencies) |
a40eb732 LP |
1259 | if ((r = service_add_default_dependencies(s)) < 0) |
1260 | return r; | |
8e274523 LP |
1261 | } |
1262 | ||
243b1432 | 1263 | return service_verify(s); |
034c6ed7 LP |
1264 | } |
1265 | ||
87f0e418 | 1266 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1267 | |
5cb5a6ff | 1268 | ServiceExecCommand c; |
87f0e418 | 1269 | Service *s = SERVICE(u); |
47be870b LP |
1270 | const char *prefix2; |
1271 | char *p2; | |
5cb5a6ff LP |
1272 | |
1273 | assert(s); | |
1274 | ||
47be870b LP |
1275 | p2 = strappend(prefix, "\t"); |
1276 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1277 | |
5cb5a6ff | 1278 | fprintf(f, |
81a2b7ce | 1279 | "%sService State: %s\n" |
f42806df LP |
1280 | "%sResult: %s\n" |
1281 | "%sReload Result: %s\n" | |
81a2b7ce | 1282 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 1283 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1284 | "%sRemainAfterExit: %s\n" |
3185a36b | 1285 | "%sGuessMainPID: %s\n" |
c952c6ec | 1286 | "%sType: %s\n" |
2cf3143a | 1287 | "%sRestart: %s\n" |
c952c6ec | 1288 | "%sNotifyAccess: %s\n", |
81a2b7ce | 1289 | prefix, service_state_to_string(s->state), |
f42806df LP |
1290 | prefix, service_result_to_string(s->result), |
1291 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 1292 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 1293 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1294 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 1295 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 1296 | prefix, service_type_to_string(s->type), |
2cf3143a | 1297 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1298 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1299 | |
70123e68 LP |
1300 | if (s->control_pid > 0) |
1301 | fprintf(f, | |
bb00e604 LP |
1302 | "%sControl PID: %lu\n", |
1303 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1304 | |
1305 | if (s->main_pid > 0) | |
1306 | fprintf(f, | |
6dfa5494 LP |
1307 | "%sMain PID: %lu\n" |
1308 | "%sMain PID Known: %s\n" | |
1309 | "%sMain PID Alien: %s\n", | |
1310 | prefix, (unsigned long) s->main_pid, | |
1311 | prefix, yes_no(s->main_pid_known), | |
1312 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 1313 | |
034c6ed7 LP |
1314 | if (s->pid_file) |
1315 | fprintf(f, | |
1316 | "%sPIDFile: %s\n", | |
1317 | prefix, s->pid_file); | |
1318 | ||
05e343b7 LP |
1319 | if (s->bus_name) |
1320 | fprintf(f, | |
1321 | "%sBusName: %s\n" | |
1322 | "%sBus Name Good: %s\n", | |
1323 | prefix, s->bus_name, | |
1324 | prefix, yes_no(s->bus_name_good)); | |
1325 | ||
5cb5a6ff LP |
1326 | exec_context_dump(&s->exec_context, f, prefix); |
1327 | ||
e537352b | 1328 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1329 | |
44d8db9e LP |
1330 | if (!s->exec_command[c]) |
1331 | continue; | |
1332 | ||
40d50879 | 1333 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1334 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1335 | |
1336 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1337 | } |
44d8db9e | 1338 | |
07459bb6 | 1339 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
1340 | if (s->sysv_path) |
1341 | fprintf(f, | |
23a177ef | 1342 | "%sSysV Init Script Path: %s\n" |
9fff8a1f LP |
1343 | "%sSysV Init Script has LSB Header: %s\n" |
1344 | "%sSysVEnabled: %s\n", | |
23a177ef | 1345 | prefix, s->sysv_path, |
9fff8a1f LP |
1346 | prefix, yes_no(s->sysv_has_lsb), |
1347 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1348 | |
1349 | if (s->sysv_start_priority >= 0) | |
1350 | fprintf(f, | |
9fff8a1f LP |
1351 | "%sSysVStartPriority: %i\n", |
1352 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1353 | |
8309400a LP |
1354 | if (s->sysv_runlevels) |
1355 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1356 | prefix, s->sysv_runlevels); | |
07459bb6 | 1357 | #endif |
23a177ef | 1358 | |
9fff8a1f LP |
1359 | if (s->fsck_passno > 0) |
1360 | fprintf(f, | |
1361 | "%sFsckPassNo: %i\n", | |
1362 | prefix, s->fsck_passno); | |
1363 | ||
8c47c732 LP |
1364 | if (s->status_text) |
1365 | fprintf(f, "%sStatus Text: %s\n", | |
1366 | prefix, s->status_text); | |
1367 | ||
47be870b | 1368 | free(p2); |
5cb5a6ff LP |
1369 | } |
1370 | ||
c5419d42 | 1371 | static int service_load_pid_file(Service *s, bool may_warn) { |
034c6ed7 | 1372 | char *k; |
034c6ed7 | 1373 | int r; |
5925dd3c | 1374 | pid_t pid; |
034c6ed7 LP |
1375 | |
1376 | assert(s); | |
1377 | ||
034c6ed7 | 1378 | if (!s->pid_file) |
13230d5d | 1379 | return -ENOENT; |
034c6ed7 | 1380 | |
5375410b | 1381 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) { |
c5419d42 | 1382 | if (may_warn) |
3a111838 MS |
1383 | log_info("PID file %s not readable (yet?) after %s.", |
1384 | s->pid_file, service_state_to_string(s->state)); | |
034c6ed7 | 1385 | return r; |
5375410b | 1386 | } |
034c6ed7 | 1387 | |
5925dd3c LP |
1388 | r = parse_pid(k, &pid); |
1389 | free(k); | |
034c6ed7 | 1390 | |
5925dd3c LP |
1391 | if (r < 0) |
1392 | return r; | |
406eaf93 | 1393 | |
5925dd3c | 1394 | if (kill(pid, 0) < 0 && errno != EPERM) { |
c5419d42 | 1395 | if (may_warn) |
3a111838 MS |
1396 | log_info("PID %lu read from file %s does not exist.", |
1397 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1398 | return -ESRCH; |
1399 | } | |
1400 | ||
db01f8b3 MS |
1401 | if (s->main_pid_known) { |
1402 | if (pid == s->main_pid) | |
1403 | return 0; | |
1404 | ||
1405 | log_debug("Main PID changing: %lu -> %lu", | |
1406 | (unsigned long) s->main_pid, (unsigned long) pid); | |
1407 | service_unwatch_main_pid(s); | |
1408 | s->main_pid_known = false; | |
3a111838 MS |
1409 | } else |
1410 | log_debug("Main PID loaded: %lu", (unsigned long) pid); | |
db01f8b3 | 1411 | |
5925dd3c | 1412 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1413 | return r; |
1414 | ||
5925dd3c LP |
1415 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1416 | /* FIXME: we need to do something here */ | |
1417 | return r; | |
034c6ed7 LP |
1418 | |
1419 | return 0; | |
1420 | } | |
1421 | ||
4fbf50b3 LP |
1422 | static int service_search_main_pid(Service *s) { |
1423 | pid_t pid; | |
1424 | int r; | |
1425 | ||
1426 | assert(s); | |
1427 | ||
3185a36b LP |
1428 | /* If we know it anyway, don't ever fallback to unreliable |
1429 | * heuristics */ | |
4fbf50b3 LP |
1430 | if (s->main_pid_known) |
1431 | return 0; | |
1432 | ||
3185a36b LP |
1433 | if (!s->guess_main_pid) |
1434 | return 0; | |
1435 | ||
4fbf50b3 LP |
1436 | assert(s->main_pid <= 0); |
1437 | ||
1124fe6f | 1438 | if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0) |
4fbf50b3 LP |
1439 | return -ENOENT; |
1440 | ||
3a111838 | 1441 | log_debug("Main PID guessed: %lu", (unsigned long) pid); |
4fbf50b3 LP |
1442 | if ((r = service_set_main_pid(s, pid)) < 0) |
1443 | return r; | |
1444 | ||
1445 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1446 | /* FIXME: we need to do something here */ | |
1447 | return r; | |
1448 | ||
1449 | return 0; | |
1450 | } | |
1451 | ||
6bda96a0 | 1452 | static void service_notify_sockets_dead(Service *s, bool failed_permanent) { |
ceee3d82 | 1453 | Iterator i; |
57020a3a | 1454 | Unit *u; |
3e33402a LP |
1455 | |
1456 | assert(s); | |
1457 | ||
f976f3f6 LP |
1458 | /* Notifies all our sockets when we die */ |
1459 | ||
6cf6bbc2 | 1460 | if (s->socket_fd >= 0) |
57020a3a | 1461 | return; |
3e33402a | 1462 | |
1124fe6f | 1463 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) |
ac155bb8 | 1464 | if (u->type == UNIT_SOCKET) |
6bda96a0 | 1465 | socket_notify_service_dead(SOCKET(u), failed_permanent); |
3e33402a | 1466 | |
57020a3a | 1467 | return; |
ceee3d82 LP |
1468 | } |
1469 | ||
034c6ed7 LP |
1470 | static void service_set_state(Service *s, ServiceState state) { |
1471 | ServiceState old_state; | |
5cb5a6ff LP |
1472 | assert(s); |
1473 | ||
034c6ed7 | 1474 | old_state = s->state; |
5cb5a6ff | 1475 | s->state = state; |
034c6ed7 | 1476 | |
3a111838 MS |
1477 | service_unwatch_pid_file(s); |
1478 | ||
034c6ed7 LP |
1479 | if (state != SERVICE_START_PRE && |
1480 | state != SERVICE_START && | |
1481 | state != SERVICE_START_POST && | |
1482 | state != SERVICE_RELOAD && | |
1483 | state != SERVICE_STOP && | |
1484 | state != SERVICE_STOP_SIGTERM && | |
1485 | state != SERVICE_STOP_SIGKILL && | |
1486 | state != SERVICE_STOP_POST && | |
1487 | state != SERVICE_FINAL_SIGTERM && | |
1488 | state != SERVICE_FINAL_SIGKILL && | |
1489 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1490 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1491 | |
7d55e835 LP |
1492 | if (state != SERVICE_START && |
1493 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1494 | state != SERVICE_RUNNING && |
1495 | state != SERVICE_RELOAD && | |
1496 | state != SERVICE_STOP && | |
1497 | state != SERVICE_STOP_SIGTERM && | |
867b3b7d | 1498 | state != SERVICE_STOP_SIGKILL) { |
5e94833f | 1499 | service_unwatch_main_pid(s); |
867b3b7d LP |
1500 | s->main_command = NULL; |
1501 | } | |
034c6ed7 LP |
1502 | |
1503 | if (state != SERVICE_START_PRE && | |
1504 | state != SERVICE_START && | |
1505 | state != SERVICE_START_POST && | |
1506 | state != SERVICE_RELOAD && | |
1507 | state != SERVICE_STOP && | |
1508 | state != SERVICE_STOP_SIGTERM && | |
1509 | state != SERVICE_STOP_SIGKILL && | |
1510 | state != SERVICE_STOP_POST && | |
1511 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1512 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1513 | service_unwatch_control_pid(s); |
034c6ed7 | 1514 | s->control_command = NULL; |
a16e1123 | 1515 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1516 | } |
034c6ed7 | 1517 | |
ceee3d82 LP |
1518 | if (state == SERVICE_DEAD || |
1519 | state == SERVICE_STOP || | |
1520 | state == SERVICE_STOP_SIGTERM || | |
1521 | state == SERVICE_STOP_SIGKILL || | |
1522 | state == SERVICE_STOP_POST || | |
1523 | state == SERVICE_FINAL_SIGTERM || | |
1524 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1525 | state == SERVICE_FAILED || |
ceee3d82 | 1526 | state == SERVICE_AUTO_RESTART) |
c2f34808 | 1527 | service_notify_sockets_dead(s, false); |
ceee3d82 | 1528 | |
4f2d528d LP |
1529 | if (state != SERVICE_START_PRE && |
1530 | state != SERVICE_START && | |
6cf6bbc2 LP |
1531 | state != SERVICE_START_POST && |
1532 | state != SERVICE_RUNNING && | |
1533 | state != SERVICE_RELOAD && | |
1534 | state != SERVICE_STOP && | |
1535 | state != SERVICE_STOP_SIGTERM && | |
1536 | state != SERVICE_STOP_SIGKILL && | |
1537 | state != SERVICE_STOP_POST && | |
1538 | state != SERVICE_FINAL_SIGTERM && | |
1539 | state != SERVICE_FINAL_SIGKILL && | |
1124fe6f | 1540 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 1541 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1542 | service_connection_unref(s); |
1543 | } | |
4f2d528d | 1544 | |
a6927d7f MO |
1545 | if (state == SERVICE_STOP) |
1546 | service_stop_watchdog(s); | |
1547 | ||
f6023656 LP |
1548 | /* For the inactive states unit_notify() will trim the cgroup, |
1549 | * but for exit we have to do that ourselves... */ | |
1124fe6f MS |
1550 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
1551 | cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true); | |
f6023656 | 1552 | |
e537352b | 1553 | if (old_state != state) |
1124fe6f | 1554 | log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 1555 | |
f42806df LP |
1556 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], s->reload_result == SERVICE_SUCCESS); |
1557 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 LP |
1558 | } |
1559 | ||
a16e1123 LP |
1560 | static int service_coldplug(Unit *u) { |
1561 | Service *s = SERVICE(u); | |
1562 | int r; | |
1563 | ||
1564 | assert(s); | |
1565 | assert(s->state == SERVICE_DEAD); | |
1566 | ||
1567 | if (s->deserialized_state != s->state) { | |
1568 | ||
1569 | if (s->deserialized_state == SERVICE_START_PRE || | |
1570 | s->deserialized_state == SERVICE_START || | |
1571 | s->deserialized_state == SERVICE_START_POST || | |
1572 | s->deserialized_state == SERVICE_RELOAD || | |
1573 | s->deserialized_state == SERVICE_STOP || | |
1574 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1575 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1576 | s->deserialized_state == SERVICE_STOP_POST || | |
1577 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1578 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1579 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1580 | ||
1581 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1582 | usec_t k; | |
1583 | ||
1584 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1585 | ||
1586 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1587 | return r; | |
1588 | } | |
1589 | } | |
a16e1123 LP |
1590 | |
1591 | if ((s->deserialized_state == SERVICE_START && | |
1592 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1593 | s->type == SERVICE_DBUS || |
34e9ba66 | 1594 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1595 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1596 | s->deserialized_state == SERVICE_START_POST || |
1597 | s->deserialized_state == SERVICE_RUNNING || | |
1598 | s->deserialized_state == SERVICE_RELOAD || | |
1599 | s->deserialized_state == SERVICE_STOP || | |
1600 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1601 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1602 | if (s->main_pid > 0) | |
1603 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1604 | return r; | |
1605 | ||
1606 | if (s->deserialized_state == SERVICE_START_PRE || | |
1607 | s->deserialized_state == SERVICE_START || | |
1608 | s->deserialized_state == SERVICE_START_POST || | |
1609 | s->deserialized_state == SERVICE_RELOAD || | |
1610 | s->deserialized_state == SERVICE_STOP || | |
1611 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1612 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1613 | s->deserialized_state == SERVICE_STOP_POST || | |
1614 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1615 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1616 | if (s->control_pid > 0) | |
1617 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1618 | return r; | |
1619 | ||
bb242b7b MO |
1620 | if (s->deserialized_state == SERVICE_START_POST || |
1621 | s->deserialized_state == SERVICE_RUNNING) | |
1622 | service_handle_watchdog(s); | |
1623 | ||
a16e1123 LP |
1624 | service_set_state(s, s->deserialized_state); |
1625 | } | |
a16e1123 LP |
1626 | return 0; |
1627 | } | |
1628 | ||
44d8db9e LP |
1629 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1630 | Iterator i; | |
1631 | int r; | |
1632 | int *rfds = NULL; | |
1633 | unsigned rn_fds = 0; | |
57020a3a | 1634 | Unit *u; |
44d8db9e LP |
1635 | |
1636 | assert(s); | |
1637 | assert(fds); | |
1638 | assert(n_fds); | |
1639 | ||
6cf6bbc2 LP |
1640 | if (s->socket_fd >= 0) |
1641 | return 0; | |
1642 | ||
1124fe6f | 1643 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
44d8db9e LP |
1644 | int *cfds; |
1645 | unsigned cn_fds; | |
57020a3a LP |
1646 | Socket *sock; |
1647 | ||
ac155bb8 | 1648 | if (u->type != UNIT_SOCKET) |
57020a3a LP |
1649 | continue; |
1650 | ||
1651 | sock = SOCKET(u); | |
44d8db9e | 1652 | |
47be870b | 1653 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1654 | goto fail; |
1655 | ||
1656 | if (!cfds) | |
1657 | continue; | |
1658 | ||
1659 | if (!rfds) { | |
1660 | rfds = cfds; | |
1661 | rn_fds = cn_fds; | |
1662 | } else { | |
1663 | int *t; | |
1664 | ||
1665 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1666 | free(cfds); | |
1667 | r = -ENOMEM; | |
1668 | goto fail; | |
1669 | } | |
1670 | ||
9c1b183c LP |
1671 | memcpy(t, rfds, rn_fds * sizeof(int)); |
1672 | memcpy(t+rn_fds, cfds, cn_fds * sizeof(int)); | |
44d8db9e LP |
1673 | free(rfds); |
1674 | free(cfds); | |
1675 | ||
1676 | rfds = t; | |
1677 | rn_fds = rn_fds+cn_fds; | |
1678 | } | |
1679 | } | |
1680 | ||
1681 | *fds = rfds; | |
1682 | *n_fds = rn_fds; | |
3e33402a | 1683 | |
44d8db9e LP |
1684 | return 0; |
1685 | ||
1686 | fail: | |
1687 | free(rfds); | |
3e33402a | 1688 | |
44d8db9e LP |
1689 | return r; |
1690 | } | |
1691 | ||
81a2b7ce LP |
1692 | static int service_spawn( |
1693 | Service *s, | |
1694 | ExecCommand *c, | |
1695 | bool timeout, | |
1696 | bool pass_fds, | |
1697 | bool apply_permissions, | |
1698 | bool apply_chroot, | |
1e3ad081 | 1699 | bool apply_tty_stdin, |
c952c6ec | 1700 | bool set_notify_socket, |
ecedd90f | 1701 | bool is_control, |
81a2b7ce LP |
1702 | pid_t *_pid) { |
1703 | ||
034c6ed7 LP |
1704 | pid_t pid; |
1705 | int r; | |
6cf6bbc2 | 1706 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1707 | unsigned n_fds = 0, n_env = 0; |
1708 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1709 | |
1710 | assert(s); | |
1711 | assert(c); | |
1712 | assert(_pid); | |
1713 | ||
6cf6bbc2 LP |
1714 | if (pass_fds || |
1715 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1716 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1717 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1718 | ||
4f2d528d LP |
1719 | if (s->socket_fd >= 0) { |
1720 | fds = &s->socket_fd; | |
1721 | n_fds = 1; | |
6cf6bbc2 LP |
1722 | } else { |
1723 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1724 | goto fail; | |
1725 | ||
1726 | fds = fdsbuf; | |
1727 | } | |
4f2d528d | 1728 | } |
44d8db9e | 1729 | |
e558336f | 1730 | if (timeout && s->timeout_usec) { |
acbb0225 | 1731 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1732 | goto fail; |
1733 | } else | |
acbb0225 | 1734 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1735 | |
9e2f7c11 LP |
1736 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1737 | r = -ENOMEM; | |
1738 | goto fail; | |
1739 | } | |
1740 | ||
9865f3b4 | 1741 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1742 | r = -ENOMEM; |
1743 | goto fail; | |
1744 | } | |
c952c6ec | 1745 | |
2105e76a | 1746 | if (set_notify_socket) |
1124fe6f | 1747 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1748 | r = -ENOMEM; |
1749 | goto fail; | |
1750 | } | |
1751 | ||
2105e76a LP |
1752 | if (s->main_pid > 0) |
1753 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1754 | r = -ENOMEM; |
1755 | goto fail; | |
1756 | } | |
2105e76a | 1757 | |
6e0bcc98 MO |
1758 | if (s->watchdog_usec > 0) |
1759 | if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) { | |
1760 | r = -ENOMEM; | |
1761 | goto fail; | |
1762 | } | |
1763 | ||
2105e76a | 1764 | if (!(final_env = strv_env_merge(2, |
1124fe6f | 1765 | UNIT(s)->manager->environment, |
2105e76a LP |
1766 | our_env, |
1767 | NULL))) { | |
1768 | r = -ENOMEM; | |
1769 | goto fail; | |
1770 | } | |
c952c6ec | 1771 | |
9e2f7c11 LP |
1772 | r = exec_spawn(c, |
1773 | argv, | |
1774 | &s->exec_context, | |
1775 | fds, n_fds, | |
2105e76a | 1776 | final_env, |
9e2f7c11 LP |
1777 | apply_permissions, |
1778 | apply_chroot, | |
1e3ad081 | 1779 | apply_tty_stdin, |
1124fe6f MS |
1780 | UNIT(s)->manager->confirm_spawn, |
1781 | UNIT(s)->cgroup_bondings, | |
1782 | UNIT(s)->cgroup_attributes, | |
ecedd90f | 1783 | is_control ? "control" : NULL, |
f2b68789 | 1784 | s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, |
9e2f7c11 LP |
1785 | &pid); |
1786 | ||
9e2f7c11 | 1787 | if (r < 0) |
034c6ed7 LP |
1788 | goto fail; |
1789 | ||
4f2d528d | 1790 | |
87f0e418 | 1791 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1792 | /* FIXME: we need to do something here */ |
1793 | goto fail; | |
1794 | ||
2105e76a LP |
1795 | free(fdsbuf); |
1796 | strv_free(argv); | |
1797 | strv_free(our_env); | |
1798 | strv_free(final_env); | |
1799 | ||
034c6ed7 LP |
1800 | *_pid = pid; |
1801 | ||
5cb5a6ff | 1802 | return 0; |
034c6ed7 LP |
1803 | |
1804 | fail: | |
2105e76a | 1805 | free(fdsbuf); |
c952c6ec | 1806 | strv_free(argv); |
2105e76a LP |
1807 | strv_free(our_env); |
1808 | strv_free(final_env); | |
c952c6ec | 1809 | |
034c6ed7 | 1810 | if (timeout) |
acbb0225 | 1811 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1812 | |
1813 | return r; | |
1814 | } | |
1815 | ||
80876c20 LP |
1816 | static int main_pid_good(Service *s) { |
1817 | assert(s); | |
1818 | ||
1819 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1820 | * don't know */ | |
1821 | ||
1822 | /* If we know the pid file, then lets just check if it is | |
1823 | * still valid */ | |
6dfa5494 LP |
1824 | if (s->main_pid_known) { |
1825 | ||
1826 | /* If it's an alien child let's check if it is still | |
1827 | * alive ... */ | |
1828 | if (s->main_pid_alien) | |
1829 | return kill(s->main_pid, 0) >= 0 || errno != ESRCH; | |
1830 | ||
1831 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1832 | * which we really should wait for to collect exit | |
1833 | * status and code */ | |
80876c20 | 1834 | return s->main_pid > 0; |
6dfa5494 | 1835 | } |
80876c20 LP |
1836 | |
1837 | /* We don't know the pid */ | |
1838 | return -EAGAIN; | |
1839 | } | |
1840 | ||
1841 | static int control_pid_good(Service *s) { | |
1842 | assert(s); | |
1843 | ||
1844 | return s->control_pid > 0; | |
1845 | } | |
1846 | ||
1847 | static int cgroup_good(Service *s) { | |
1848 | int r; | |
1849 | ||
1850 | assert(s); | |
1851 | ||
1124fe6f | 1852 | if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0) |
80876c20 LP |
1853 | return r; |
1854 | ||
1855 | return !r; | |
1856 | } | |
1857 | ||
f42806df | 1858 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1859 | int r; |
1860 | assert(s); | |
1861 | ||
f42806df LP |
1862 | if (f != SERVICE_SUCCESS) |
1863 | s->result = f; | |
034c6ed7 LP |
1864 | |
1865 | if (allow_restart && | |
47342320 | 1866 | !s->forbid_restart && |
034c6ed7 | 1867 | (s->restart == SERVICE_RESTART_ALWAYS || |
f42806df LP |
1868 | (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || |
1869 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || | |
1870 | (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || | |
1871 | s->result == SERVICE_FAILURE_CORE_DUMP)))) { | |
034c6ed7 | 1872 | |
f42806df LP |
1873 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
1874 | if (r < 0) | |
034c6ed7 LP |
1875 | goto fail; |
1876 | ||
1877 | service_set_state(s, SERVICE_AUTO_RESTART); | |
1878 | } else | |
f42806df | 1879 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
034c6ed7 | 1880 | |
47342320 LP |
1881 | s->forbid_restart = false; |
1882 | ||
034c6ed7 LP |
1883 | return; |
1884 | ||
1885 | fail: | |
1124fe6f | 1886 | log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1887 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1888 | } |
1889 | ||
f42806df | 1890 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
034c6ed7 | 1891 | |
f42806df | 1892 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1893 | int r; |
1894 | assert(s); | |
1895 | ||
f42806df LP |
1896 | if (f != SERVICE_SUCCESS) |
1897 | s->result = f; | |
034c6ed7 | 1898 | |
5e94833f LP |
1899 | service_unwatch_control_pid(s); |
1900 | ||
80876c20 | 1901 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
867b3b7d LP |
1902 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1903 | ||
ecedd90f LP |
1904 | r = service_spawn(s, |
1905 | s->control_command, | |
1906 | true, | |
1907 | false, | |
1908 | !s->permissions_start_only, | |
1909 | !s->root_directory_start_only, | |
1910 | true, | |
1911 | false, | |
1912 | true, | |
1913 | &s->control_pid); | |
1914 | if (r < 0) | |
034c6ed7 LP |
1915 | goto fail; |
1916 | ||
d6ea93e3 | 1917 | |
80876c20 LP |
1918 | service_set_state(s, SERVICE_STOP_POST); |
1919 | } else | |
f42806df | 1920 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1921 | |
1922 | return; | |
1923 | ||
1924 | fail: | |
1124fe6f | 1925 | log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1926 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1927 | } |
1928 | ||
f42806df | 1929 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1930 | int r; |
ca949c9d LP |
1931 | Set *pid_set = NULL; |
1932 | bool wait_for_exit = false; | |
034c6ed7 LP |
1933 | |
1934 | assert(s); | |
1935 | ||
f42806df LP |
1936 | if (f != SERVICE_SUCCESS) |
1937 | s->result = f; | |
034c6ed7 | 1938 | |
2e22afe9 LP |
1939 | if (s->exec_context.kill_mode != KILL_NONE) { |
1940 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 1941 | |
ca949c9d | 1942 | if (s->main_pid > 0) { |
cd25cce9 | 1943 | if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1944 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1945 | else | |
6dfa5494 | 1946 | wait_for_exit = !s->main_pid_alien; |
034c6ed7 LP |
1947 | } |
1948 | ||
ca949c9d | 1949 | if (s->control_pid > 0) { |
cd25cce9 | 1950 | if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1951 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1952 | else | |
1953 | wait_for_exit = true; | |
1954 | } | |
50159e6a | 1955 | |
ca949c9d | 1956 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1957 | |
ca949c9d LP |
1958 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) { |
1959 | r = -ENOMEM; | |
50159e6a | 1960 | goto fail; |
ca949c9d LP |
1961 | } |
1962 | ||
1963 | /* Exclude the main/control pids from being killed via the cgroup */ | |
1964 | if (s->main_pid > 0) | |
1965 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
1966 | goto fail; | |
1967 | ||
1968 | if (s->control_pid > 0) | |
1969 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
1970 | goto fail; | |
1971 | ||
88f3e0c9 | 1972 | r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL); |
ecedd90f | 1973 | if (r < 0) { |
ca949c9d LP |
1974 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) |
1975 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 1976 | } else if (r > 0) |
ca949c9d LP |
1977 | wait_for_exit = true; |
1978 | ||
1979 | set_free(pid_set); | |
da19d5c1 | 1980 | pid_set = NULL; |
50159e6a | 1981 | } |
d6ea93e3 | 1982 | } |
034c6ed7 | 1983 | |
ca949c9d | 1984 | if (wait_for_exit) { |
e558336f LP |
1985 | if (s->timeout_usec > 0) |
1986 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
1987 | goto fail; | |
d6ea93e3 | 1988 | |
80876c20 LP |
1989 | service_set_state(s, state); |
1990 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
f42806df | 1991 | service_enter_stop_post(s, SERVICE_SUCCESS); |
80876c20 | 1992 | else |
f42806df | 1993 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
1994 | |
1995 | return; | |
1996 | ||
1997 | fail: | |
1124fe6f | 1998 | log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 1999 | |
80876c20 | 2000 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
f42806df | 2001 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2002 | else |
f42806df | 2003 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
ca949c9d LP |
2004 | |
2005 | if (pid_set) | |
2006 | set_free(pid_set); | |
034c6ed7 LP |
2007 | } |
2008 | ||
f42806df | 2009 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 2010 | int r; |
5925dd3c | 2011 | |
034c6ed7 LP |
2012 | assert(s); |
2013 | ||
f42806df LP |
2014 | if (f != SERVICE_SUCCESS) |
2015 | s->result = f; | |
034c6ed7 | 2016 | |
5e94833f LP |
2017 | service_unwatch_control_pid(s); |
2018 | ||
80876c20 | 2019 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
867b3b7d LP |
2020 | s->control_command_id = SERVICE_EXEC_STOP; |
2021 | ||
ecedd90f LP |
2022 | r = service_spawn(s, |
2023 | s->control_command, | |
2024 | true, | |
2025 | false, | |
2026 | !s->permissions_start_only, | |
2027 | !s->root_directory_start_only, | |
2028 | false, | |
2029 | false, | |
2030 | true, | |
2031 | &s->control_pid); | |
2032 | if (r < 0) | |
034c6ed7 LP |
2033 | goto fail; |
2034 | ||
80876c20 LP |
2035 | service_set_state(s, SERVICE_STOP); |
2036 | } else | |
f42806df | 2037 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
2038 | |
2039 | return; | |
2040 | ||
2041 | fail: | |
1124fe6f | 2042 | log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2043 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2044 | } |
2045 | ||
f42806df | 2046 | static void service_enter_running(Service *s, ServiceResult f) { |
4eab639f | 2047 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
2048 | assert(s); |
2049 | ||
f42806df LP |
2050 | if (f != SERVICE_SUCCESS) |
2051 | s->result = f; | |
80876c20 | 2052 | |
4eab639f LP |
2053 | main_pid_ok = main_pid_good(s); |
2054 | cgroup_ok = cgroup_good(s); | |
2055 | ||
2056 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 2057 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 2058 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 2059 | else if (s->remain_after_exit) |
80876c20 LP |
2060 | service_set_state(s, SERVICE_EXITED); |
2061 | else | |
f42806df | 2062 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
2063 | } |
2064 | ||
034c6ed7 LP |
2065 | static void service_enter_start_post(Service *s) { |
2066 | int r; | |
2067 | assert(s); | |
2068 | ||
5e94833f LP |
2069 | service_unwatch_control_pid(s); |
2070 | ||
bb242b7b MO |
2071 | if (s->watchdog_usec > 0) |
2072 | service_reset_watchdog(s); | |
2073 | ||
80876c20 | 2074 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
867b3b7d LP |
2075 | s->control_command_id = SERVICE_EXEC_START_POST; |
2076 | ||
ecedd90f LP |
2077 | r = service_spawn(s, |
2078 | s->control_command, | |
2079 | true, | |
2080 | false, | |
2081 | !s->permissions_start_only, | |
2082 | !s->root_directory_start_only, | |
2083 | false, | |
2084 | false, | |
2085 | true, | |
2086 | &s->control_pid); | |
2087 | if (r < 0) | |
034c6ed7 LP |
2088 | goto fail; |
2089 | ||
80876c20 LP |
2090 | service_set_state(s, SERVICE_START_POST); |
2091 | } else | |
f42806df | 2092 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2093 | |
2094 | return; | |
2095 | ||
2096 | fail: | |
1124fe6f | 2097 | log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2098 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2099 | } |
2100 | ||
2101 | static void service_enter_start(Service *s) { | |
2102 | pid_t pid; | |
2103 | int r; | |
867b3b7d | 2104 | ExecCommand *c; |
034c6ed7 LP |
2105 | |
2106 | assert(s); | |
2107 | ||
2108 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 2109 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 2110 | |
80876c20 LP |
2111 | if (s->type == SERVICE_FORKING) |
2112 | service_unwatch_control_pid(s); | |
2113 | else | |
2114 | service_unwatch_main_pid(s); | |
2115 | ||
8f53a7b8 LP |
2116 | /* We want to ensure that nobody leaks processes from |
2117 | * START_PRE here, so let's go on a killing spree, People | |
2118 | * should not spawn long running processes from START_PRE. */ | |
88f3e0c9 | 2119 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2120 | |
867b3b7d LP |
2121 | if (s->type == SERVICE_FORKING) { |
2122 | s->control_command_id = SERVICE_EXEC_START; | |
2123 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
2124 | ||
2125 | s->main_command = NULL; | |
2126 | } else { | |
2127 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2128 | s->control_command = NULL; | |
2129 | ||
2130 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
2131 | } | |
34e9ba66 | 2132 | |
ecedd90f LP |
2133 | r = service_spawn(s, |
2134 | c, | |
2135 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY, | |
2136 | true, | |
2137 | true, | |
2138 | true, | |
2139 | true, | |
2140 | s->notify_access != NOTIFY_NONE, | |
2141 | false, | |
2142 | &pid); | |
2143 | if (r < 0) | |
034c6ed7 LP |
2144 | goto fail; |
2145 | ||
f2b68789 | 2146 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
2147 | /* For simple services we immediately start |
2148 | * the START_POST binaries. */ | |
2149 | ||
5925dd3c | 2150 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2151 | service_enter_start_post(s); |
2152 | ||
2153 | } else if (s->type == SERVICE_FORKING) { | |
2154 | ||
2155 | /* For forking services we wait until the start | |
2156 | * process exited. */ | |
2157 | ||
e55224ca | 2158 | s->control_pid = pid; |
80876c20 LP |
2159 | service_set_state(s, SERVICE_START); |
2160 | ||
34e9ba66 | 2161 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2162 | s->type == SERVICE_DBUS || |
2163 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2164 | |
34e9ba66 | 2165 | /* For oneshot services we wait until the start |
7d55e835 LP |
2166 | * process exited, too, but it is our main process. */ |
2167 | ||
05e343b7 | 2168 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2169 | * but wait for the bus name to appear on the |
2170 | * bus. Notify services are similar. */ | |
05e343b7 | 2171 | |
5925dd3c | 2172 | service_set_main_pid(s, pid); |
80876c20 | 2173 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2174 | } else |
2175 | assert_not_reached("Unknown service type"); | |
2176 | ||
2177 | return; | |
2178 | ||
2179 | fail: | |
1124fe6f | 2180 | log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2181 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2182 | } |
2183 | ||
2184 | static void service_enter_start_pre(Service *s) { | |
2185 | int r; | |
2186 | ||
2187 | assert(s); | |
2188 | ||
5e94833f LP |
2189 | service_unwatch_control_pid(s); |
2190 | ||
80876c20 | 2191 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
8f53a7b8 LP |
2192 | |
2193 | /* Before we start anything, let's clear up what might | |
2194 | * be left from previous runs. */ | |
88f3e0c9 | 2195 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2196 | |
867b3b7d LP |
2197 | s->control_command_id = SERVICE_EXEC_START_PRE; |
2198 | ||
ecedd90f LP |
2199 | r = service_spawn(s, |
2200 | s->control_command, | |
2201 | true, | |
2202 | false, | |
2203 | !s->permissions_start_only, | |
2204 | !s->root_directory_start_only, | |
2205 | true, | |
2206 | false, | |
2207 | true, | |
2208 | &s->control_pid); | |
2209 | if (r < 0) | |
034c6ed7 LP |
2210 | goto fail; |
2211 | ||
80876c20 LP |
2212 | service_set_state(s, SERVICE_START_PRE); |
2213 | } else | |
034c6ed7 LP |
2214 | service_enter_start(s); |
2215 | ||
2216 | return; | |
2217 | ||
2218 | fail: | |
1124fe6f | 2219 | log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2220 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
2221 | } |
2222 | ||
2223 | static void service_enter_restart(Service *s) { | |
2224 | int r; | |
398ef8ba LP |
2225 | DBusError error; |
2226 | ||
034c6ed7 | 2227 | assert(s); |
398ef8ba | 2228 | dbus_error_init(&error); |
034c6ed7 | 2229 | |
1124fe6f | 2230 | if (UNIT(s)->job) { |
2edfa366 LP |
2231 | log_info("Job pending for unit, delaying automatic restart."); |
2232 | ||
2233 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) | |
2234 | goto fail; | |
feae8adb DW |
2235 | |
2236 | return; | |
2edfa366 LP |
2237 | } |
2238 | ||
48bb5876 DW |
2239 | /* Any units that are bound to this service must also be |
2240 | * restarted. We use JOB_RESTART (instead of the more obvious | |
2241 | * JOB_START) here so that those dependency jobs will be added | |
2242 | * as well. */ | |
2243 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
2244 | if (r < 0) | |
034c6ed7 LP |
2245 | goto fail; |
2246 | ||
1124fe6f | 2247 | log_debug("%s scheduled restart job.", UNIT(s)->id); |
034c6ed7 LP |
2248 | return; |
2249 | ||
2250 | fail: | |
1124fe6f | 2251 | log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r)); |
f42806df | 2252 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
398ef8ba LP |
2253 | |
2254 | dbus_error_free(&error); | |
034c6ed7 LP |
2255 | } |
2256 | ||
2257 | static void service_enter_reload(Service *s) { | |
2258 | int r; | |
2259 | ||
2260 | assert(s); | |
2261 | ||
5e94833f LP |
2262 | service_unwatch_control_pid(s); |
2263 | ||
80876c20 | 2264 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
867b3b7d LP |
2265 | s->control_command_id = SERVICE_EXEC_RELOAD; |
2266 | ||
ecedd90f LP |
2267 | r = service_spawn(s, |
2268 | s->control_command, | |
2269 | true, | |
2270 | false, | |
2271 | !s->permissions_start_only, | |
2272 | !s->root_directory_start_only, | |
2273 | false, | |
2274 | false, | |
2275 | true, | |
2276 | &s->control_pid); | |
2277 | if (r < 0) | |
034c6ed7 LP |
2278 | goto fail; |
2279 | ||
80876c20 LP |
2280 | service_set_state(s, SERVICE_RELOAD); |
2281 | } else | |
f42806df | 2282 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2283 | |
2284 | return; | |
2285 | ||
2286 | fail: | |
1124fe6f | 2287 | log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df LP |
2288 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2289 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2290 | } |
2291 | ||
f42806df | 2292 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
2293 | int r; |
2294 | ||
2295 | assert(s); | |
2296 | assert(s->control_command); | |
2297 | assert(s->control_command->command_next); | |
2298 | ||
34e9ba66 | 2299 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2300 | |
34e9ba66 | 2301 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2302 | service_unwatch_control_pid(s); |
2303 | ||
ecedd90f LP |
2304 | r = service_spawn(s, |
2305 | s->control_command, | |
2306 | true, | |
2307 | false, | |
2308 | !s->permissions_start_only, | |
2309 | !s->root_directory_start_only, | |
2310 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
2311 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
2312 | false, | |
2313 | true, | |
2314 | &s->control_pid); | |
2315 | if (r < 0) | |
034c6ed7 LP |
2316 | goto fail; |
2317 | ||
2318 | return; | |
2319 | ||
2320 | fail: | |
1124fe6f | 2321 | log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2322 | |
80876c20 | 2323 | if (s->state == SERVICE_START_PRE) |
f42806df | 2324 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 2325 | else if (s->state == SERVICE_STOP) |
f42806df | 2326 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2327 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 2328 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 2329 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
2330 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2331 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 2332 | } else |
f42806df | 2333 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
2334 | } |
2335 | ||
f42806df | 2336 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
2337 | pid_t pid; |
2338 | int r; | |
2339 | ||
2340 | assert(s); | |
867b3b7d LP |
2341 | assert(s->main_command); |
2342 | assert(s->main_command->command_next); | |
2343 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 2344 | |
867b3b7d | 2345 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
2346 | service_unwatch_main_pid(s); |
2347 | ||
ecedd90f LP |
2348 | r = service_spawn(s, |
2349 | s->main_command, | |
2350 | false, | |
2351 | true, | |
2352 | true, | |
2353 | true, | |
2354 | true, | |
2355 | s->notify_access != NOTIFY_NONE, | |
2356 | false, | |
2357 | &pid); | |
2358 | if (r < 0) | |
34e9ba66 LP |
2359 | goto fail; |
2360 | ||
2361 | service_set_main_pid(s, pid); | |
2362 | ||
2363 | return; | |
2364 | ||
2365 | fail: | |
1124fe6f | 2366 | log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2367 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
2368 | } |
2369 | ||
4b939747 MO |
2370 | static int service_start_limit_test(Service *s) { |
2371 | assert(s); | |
2372 | ||
2373 | if (ratelimit_test(&s->start_limit)) | |
2374 | return 0; | |
2375 | ||
2376 | switch (s->start_limit_action) { | |
2377 | ||
2378 | case SERVICE_START_LIMIT_NONE: | |
2379 | log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id); | |
2380 | break; | |
2381 | ||
2382 | case SERVICE_START_LIMIT_REBOOT: { | |
2383 | DBusError error; | |
2384 | int r; | |
2385 | ||
2386 | dbus_error_init(&error); | |
2387 | ||
2388 | log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id); | |
2389 | ||
2390 | r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL); | |
2391 | if (r < 0) { | |
2392 | log_error("Failed to reboot: %s.", bus_error(&error, r)); | |
2393 | dbus_error_free(&error); | |
2394 | } | |
2395 | ||
2396 | break; | |
2397 | } | |
2398 | ||
2399 | case SERVICE_START_LIMIT_REBOOT_FORCE: | |
6bda96a0 | 2400 | log_warning("%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id); |
4b939747 MO |
2401 | UNIT(s)->manager->exit_code = MANAGER_REBOOT; |
2402 | break; | |
2403 | ||
2404 | case SERVICE_START_LIMIT_REBOOT_IMMEDIATE: | |
2405 | log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id); | |
2406 | reboot(RB_AUTOBOOT); | |
2407 | break; | |
2408 | ||
2409 | default: | |
2410 | log_error("start limit action=%i", s->start_limit_action); | |
2411 | assert_not_reached("Unknown StartLimitAction."); | |
2412 | } | |
2413 | ||
2414 | return -ECANCELED; | |
2415 | } | |
2416 | ||
87f0e418 LP |
2417 | static int service_start(Unit *u) { |
2418 | Service *s = SERVICE(u); | |
4b939747 | 2419 | int r; |
5cb5a6ff LP |
2420 | |
2421 | assert(s); | |
2422 | ||
034c6ed7 LP |
2423 | /* We cannot fulfill this request right now, try again later |
2424 | * please! */ | |
2425 | if (s->state == SERVICE_STOP || | |
2426 | s->state == SERVICE_STOP_SIGTERM || | |
2427 | s->state == SERVICE_STOP_SIGKILL || | |
2428 | s->state == SERVICE_STOP_POST || | |
2429 | s->state == SERVICE_FINAL_SIGTERM || | |
2430 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2431 | return -EAGAIN; |
2432 | ||
034c6ed7 LP |
2433 | /* Already on it! */ |
2434 | if (s->state == SERVICE_START_PRE || | |
2435 | s->state == SERVICE_START || | |
2436 | s->state == SERVICE_START_POST) | |
2437 | return 0; | |
2438 | ||
fdf20a31 | 2439 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART); |
5cb5a6ff | 2440 | |
1e2e8133 | 2441 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 2442 | r = service_start_limit_test(s); |
c2f34808 MS |
2443 | if (r < 0) { |
2444 | service_notify_sockets_dead(s, true); | |
4b939747 | 2445 | return r; |
c2f34808 | 2446 | } |
1e2e8133 | 2447 | |
f42806df LP |
2448 | s->result = SERVICE_SUCCESS; |
2449 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 2450 | s->main_pid_known = false; |
6dfa5494 | 2451 | s->main_pid_alien = false; |
47342320 | 2452 | s->forbid_restart = false; |
034c6ed7 LP |
2453 | |
2454 | service_enter_start_pre(s); | |
2455 | return 0; | |
5cb5a6ff LP |
2456 | } |
2457 | ||
87f0e418 LP |
2458 | static int service_stop(Unit *u) { |
2459 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2460 | |
2461 | assert(s); | |
2462 | ||
f0c7b229 | 2463 | /* Don't create restart jobs from here. */ |
47342320 | 2464 | s->forbid_restart = true; |
034c6ed7 | 2465 | |
e537352b LP |
2466 | /* Already on it */ |
2467 | if (s->state == SERVICE_STOP || | |
2468 | s->state == SERVICE_STOP_SIGTERM || | |
2469 | s->state == SERVICE_STOP_SIGKILL || | |
2470 | s->state == SERVICE_STOP_POST || | |
2471 | s->state == SERVICE_FINAL_SIGTERM || | |
2472 | s->state == SERVICE_FINAL_SIGKILL) | |
2473 | return 0; | |
2474 | ||
f0c7b229 | 2475 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2476 | if (s->state == SERVICE_AUTO_RESTART) { |
f0c7b229 | 2477 | service_enter_dead(s, SERVICE_SUCCESS, false); |
034c6ed7 LP |
2478 | return 0; |
2479 | } | |
2480 | ||
3f6c78dc LP |
2481 | /* If there's already something running we go directly into |
2482 | * kill mode. */ | |
2483 | if (s->state == SERVICE_START_PRE || | |
2484 | s->state == SERVICE_START || | |
2485 | s->state == SERVICE_START_POST || | |
2486 | s->state == SERVICE_RELOAD) { | |
f42806df | 2487 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2488 | return 0; |
2489 | } | |
5cb5a6ff | 2490 | |
3f6c78dc LP |
2491 | assert(s->state == SERVICE_RUNNING || |
2492 | s->state == SERVICE_EXITED); | |
3a762661 | 2493 | |
f42806df | 2494 | service_enter_stop(s, SERVICE_SUCCESS); |
5cb5a6ff LP |
2495 | return 0; |
2496 | } | |
2497 | ||
87f0e418 LP |
2498 | static int service_reload(Unit *u) { |
2499 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2500 | |
2501 | assert(s); | |
2502 | ||
80876c20 | 2503 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2504 | |
2505 | service_enter_reload(s); | |
5cb5a6ff LP |
2506 | return 0; |
2507 | } | |
2508 | ||
87f0e418 LP |
2509 | static bool service_can_reload(Unit *u) { |
2510 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2511 | |
2512 | assert(s); | |
2513 | ||
2514 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2515 | } | |
2516 | ||
a16e1123 LP |
2517 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2518 | Service *s = SERVICE(u); | |
2519 | ||
2520 | assert(u); | |
2521 | assert(f); | |
2522 | assert(fds); | |
2523 | ||
2524 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2525 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2526 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2527 | |
2528 | if (s->control_pid > 0) | |
5925dd3c | 2529 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2530 | |
5925dd3c LP |
2531 | if (s->main_pid_known && s->main_pid > 0) |
2532 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2533 | |
2534 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2535 | ||
3a2776bc LP |
2536 | if (s->status_text) |
2537 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2538 | ||
cfc4eb4c LP |
2539 | /* FIXME: There's a minor uncleanliness here: if there are |
2540 | * multiple commands attached here, we will start from the | |
2541 | * first one again */ | |
a16e1123 | 2542 | if (s->control_command_id >= 0) |
825636e5 | 2543 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2544 | |
2545 | if (s->socket_fd >= 0) { | |
2546 | int copy; | |
2547 | ||
2548 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2549 | return copy; | |
2550 | ||
2551 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2552 | } | |
2553 | ||
ecdbca40 LP |
2554 | if (s->main_exec_status.pid > 0) { |
2555 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2556 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2557 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2558 | |
799fd0fd | 2559 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2560 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2561 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2562 | } | |
2563 | } | |
a6927d7f MO |
2564 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
2565 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); | |
ecdbca40 | 2566 | |
a16e1123 LP |
2567 | return 0; |
2568 | } | |
2569 | ||
2570 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2571 | Service *s = SERVICE(u); | |
a16e1123 LP |
2572 | |
2573 | assert(u); | |
2574 | assert(key); | |
2575 | assert(value); | |
2576 | assert(fds); | |
2577 | ||
2578 | if (streq(key, "state")) { | |
2579 | ServiceState state; | |
2580 | ||
2581 | if ((state = service_state_from_string(value)) < 0) | |
2582 | log_debug("Failed to parse state value %s", value); | |
2583 | else | |
2584 | s->deserialized_state = state; | |
f42806df LP |
2585 | } else if (streq(key, "result")) { |
2586 | ServiceResult f; | |
2587 | ||
2588 | f = service_result_from_string(value); | |
2589 | if (f < 0) | |
2590 | log_debug("Failed to parse result value %s", value); | |
2591 | else if (f != SERVICE_SUCCESS) | |
2592 | s->result = f; | |
2593 | ||
2594 | } else if (streq(key, "reload-result")) { | |
2595 | ServiceResult f; | |
2596 | ||
2597 | f = service_result_from_string(value); | |
2598 | if (f < 0) | |
2599 | log_debug("Failed to parse reload result value %s", value); | |
2600 | else if (f != SERVICE_SUCCESS) | |
2601 | s->reload_result = f; | |
a16e1123 | 2602 | |
a16e1123 | 2603 | } else if (streq(key, "control-pid")) { |
5925dd3c | 2604 | pid_t pid; |
a16e1123 | 2605 | |
e364ad06 | 2606 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2607 | log_debug("Failed to parse control-pid value %s", value); |
2608 | else | |
e55224ca | 2609 | s->control_pid = pid; |
a16e1123 | 2610 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2611 | pid_t pid; |
a16e1123 | 2612 | |
e364ad06 | 2613 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2614 | log_debug("Failed to parse main-pid value %s", value); |
2615 | else | |
5925dd3c | 2616 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2617 | } else if (streq(key, "main-pid-known")) { |
2618 | int b; | |
2619 | ||
2620 | if ((b = parse_boolean(value)) < 0) | |
2621 | log_debug("Failed to parse main-pid-known value %s", value); | |
2622 | else | |
2623 | s->main_pid_known = b; | |
3a2776bc LP |
2624 | } else if (streq(key, "status-text")) { |
2625 | char *t; | |
2626 | ||
2627 | if ((t = strdup(value))) { | |
2628 | free(s->status_text); | |
2629 | s->status_text = t; | |
2630 | } | |
2631 | ||
a16e1123 LP |
2632 | } else if (streq(key, "control-command")) { |
2633 | ServiceExecCommand id; | |
2634 | ||
2635 | if ((id = service_exec_command_from_string(value)) < 0) | |
2636 | log_debug("Failed to parse exec-command value %s", value); | |
2637 | else { | |
2638 | s->control_command_id = id; | |
2639 | s->control_command = s->exec_command[id]; | |
2640 | } | |
2641 | } else if (streq(key, "socket-fd")) { | |
2642 | int fd; | |
2643 | ||
2644 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2645 | log_debug("Failed to parse socket-fd value %s", value); | |
2646 | else { | |
2647 | ||
2648 | if (s->socket_fd >= 0) | |
2649 | close_nointr_nofail(s->socket_fd); | |
2650 | s->socket_fd = fdset_remove(fds, fd); | |
2651 | } | |
ecdbca40 LP |
2652 | } else if (streq(key, "main-exec-status-pid")) { |
2653 | pid_t pid; | |
2654 | ||
e364ad06 | 2655 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2656 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2657 | else | |
2658 | s->main_exec_status.pid = pid; | |
2659 | } else if (streq(key, "main-exec-status-code")) { | |
2660 | int i; | |
2661 | ||
e364ad06 | 2662 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2663 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2664 | else | |
2665 | s->main_exec_status.code = i; | |
2666 | } else if (streq(key, "main-exec-status-status")) { | |
2667 | int i; | |
2668 | ||
e364ad06 | 2669 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2670 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2671 | else | |
2672 | s->main_exec_status.status = i; | |
799fd0fd LP |
2673 | } else if (streq(key, "main-exec-status-start")) |
2674 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2675 | else if (streq(key, "main-exec-status-exit")) | |
2676 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2677 | else if (streq(key, "watchdog-timestamp")) |
2678 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
799fd0fd | 2679 | else |
a16e1123 LP |
2680 | log_debug("Unknown serialization key '%s'", key); |
2681 | ||
2682 | return 0; | |
2683 | } | |
2684 | ||
87f0e418 LP |
2685 | static UnitActiveState service_active_state(Unit *u) { |
2686 | assert(u); | |
5cb5a6ff | 2687 | |
acbb0225 | 2688 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
2689 | } |
2690 | ||
10a94420 LP |
2691 | static const char *service_sub_state_to_string(Unit *u) { |
2692 | assert(u); | |
2693 | ||
2694 | return service_state_to_string(SERVICE(u)->state); | |
2695 | } | |
2696 | ||
701cc384 LP |
2697 | static bool service_check_gc(Unit *u) { |
2698 | Service *s = SERVICE(u); | |
2699 | ||
2700 | assert(s); | |
2701 | ||
6d55002a LP |
2702 | /* Never clean up services that still have a process around, |
2703 | * even if the service is formally dead. */ | |
2704 | if (cgroup_good(s) > 0 || | |
2705 | main_pid_good(s) > 0 || | |
2706 | control_pid_good(s) > 0) | |
2707 | return true; | |
2708 | ||
2709 | #ifdef HAVE_SYSV_COMPAT | |
2710 | if (s->sysv_path) | |
2711 | return true; | |
07459bb6 | 2712 | #endif |
701cc384 | 2713 | |
6d55002a LP |
2714 | return false; |
2715 | } | |
2716 | ||
701cc384 LP |
2717 | static bool service_check_snapshot(Unit *u) { |
2718 | Service *s = SERVICE(u); | |
2719 | ||
2720 | assert(s); | |
2721 | ||
2722 | return !s->got_socket_fd; | |
2723 | } | |
2724 | ||
3a111838 MS |
2725 | static int service_retry_pid_file(Service *s) { |
2726 | int r; | |
2727 | ||
2728 | assert(s->pid_file); | |
2729 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2730 | ||
2731 | r = service_load_pid_file(s, false); | |
2732 | if (r < 0) | |
2733 | return r; | |
2734 | ||
2735 | service_unwatch_pid_file(s); | |
2736 | ||
f42806df | 2737 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2738 | return 0; |
2739 | } | |
2740 | ||
2741 | static int service_watch_pid_file(Service *s) { | |
2742 | int r; | |
2743 | ||
1124fe6f | 2744 | log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); |
57020a3a | 2745 | r = path_spec_watch(s->pid_file_pathspec, UNIT(s)); |
3a111838 MS |
2746 | if (r < 0) |
2747 | goto fail; | |
2748 | ||
2749 | /* the pidfile might have appeared just before we set the watch */ | |
2750 | service_retry_pid_file(s); | |
2751 | ||
2752 | return 0; | |
2753 | fail: | |
2754 | log_error("Failed to set a watch for %s's PID file %s: %s", | |
1124fe6f | 2755 | UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r)); |
3a111838 MS |
2756 | service_unwatch_pid_file(s); |
2757 | return r; | |
2758 | } | |
2759 | ||
2760 | static int service_demand_pid_file(Service *s) { | |
2761 | PathSpec *ps; | |
2762 | ||
2763 | assert(s->pid_file); | |
2764 | assert(!s->pid_file_pathspec); | |
2765 | ||
2766 | ps = new0(PathSpec, 1); | |
2767 | if (!ps) | |
2768 | return -ENOMEM; | |
2769 | ||
2770 | ps->path = strdup(s->pid_file); | |
2771 | if (!ps->path) { | |
2772 | free(ps); | |
2773 | return -ENOMEM; | |
2774 | } | |
2775 | ||
2776 | path_kill_slashes(ps->path); | |
2777 | ||
2778 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2779 | * keep their PID file open all the time. */ | |
2780 | ps->type = PATH_MODIFIED; | |
2781 | ps->inotify_fd = -1; | |
2782 | ||
2783 | s->pid_file_pathspec = ps; | |
2784 | ||
2785 | return service_watch_pid_file(s); | |
2786 | } | |
2787 | ||
2788 | static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { | |
2789 | Service *s = SERVICE(u); | |
2790 | ||
2791 | assert(s); | |
2792 | assert(fd >= 0); | |
2793 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2794 | assert(s->pid_file_pathspec); | |
57020a3a | 2795 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2796 | |
ac155bb8 | 2797 | log_debug("inotify event for %s", u->id); |
3a111838 | 2798 | |
57020a3a | 2799 | if (path_spec_fd_event(s->pid_file_pathspec, events) < 0) |
3a111838 MS |
2800 | goto fail; |
2801 | ||
2802 | if (service_retry_pid_file(s) == 0) | |
2803 | return; | |
2804 | ||
2805 | if (service_watch_pid_file(s) < 0) | |
2806 | goto fail; | |
2807 | ||
2808 | return; | |
2809 | fail: | |
2810 | service_unwatch_pid_file(s); | |
f42806df | 2811 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2812 | } |
2813 | ||
87f0e418 LP |
2814 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2815 | Service *s = SERVICE(u); | |
f42806df | 2816 | ServiceResult f; |
5cb5a6ff LP |
2817 | |
2818 | assert(s); | |
034c6ed7 LP |
2819 | assert(pid >= 0); |
2820 | ||
f42806df LP |
2821 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status)) |
2822 | f = SERVICE_SUCCESS; | |
2823 | else if (code == CLD_EXITED) | |
2824 | f = SERVICE_FAILURE_EXIT_CODE; | |
2825 | else if (code == CLD_KILLED) | |
2826 | f = SERVICE_FAILURE_SIGNAL; | |
2827 | else if (code == CLD_DUMPED) | |
2828 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2829 | else |
cfc4eb4c | 2830 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2831 | |
2832 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2833 | /* Forking services may occasionally move to a new PID. |
2834 | * As long as they update the PID file before exiting the old | |
2835 | * PID, they're fine. */ | |
5375410b | 2836 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2837 | return; |
034c6ed7 | 2838 | |
034c6ed7 | 2839 | s->main_pid = 0; |
6ea832a2 | 2840 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2841 | |
867b3b7d LP |
2842 | /* If this is not a forking service than the main |
2843 | * process got started and hence we copy the exit | |
2844 | * status so that it is recorded both as main and as | |
2845 | * control process exit status */ | |
2846 | if (s->main_command) { | |
2847 | s->main_command->exec_status = s->main_exec_status; | |
b708e7ce | 2848 | |
867b3b7d | 2849 | if (s->main_command->ignore) |
f42806df | 2850 | f = SERVICE_SUCCESS; |
034c6ed7 LP |
2851 | } |
2852 | ||
f42806df | 2853 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2854 | "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2855 | |
2856 | if (f != SERVICE_SUCCESS) | |
2857 | s->result = f; | |
034c6ed7 | 2858 | |
867b3b7d LP |
2859 | if (s->main_command && |
2860 | s->main_command->command_next && | |
f42806df | 2861 | f == SERVICE_SUCCESS) { |
034c6ed7 | 2862 | |
34e9ba66 LP |
2863 | /* There is another command to * |
2864 | * execute, so let's do that. */ | |
034c6ed7 | 2865 | |
ac155bb8 | 2866 | log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2867 | service_run_next_main(s); |
034c6ed7 | 2868 | |
34e9ba66 LP |
2869 | } else { |
2870 | ||
2871 | /* The service exited, so the service is officially | |
2872 | * gone. */ | |
867b3b7d | 2873 | s->main_command = NULL; |
34e9ba66 LP |
2874 | |
2875 | switch (s->state) { | |
2876 | ||
2877 | case SERVICE_START_POST: | |
2878 | case SERVICE_RELOAD: | |
2879 | case SERVICE_STOP: | |
2880 | /* Need to wait until the operation is | |
2881 | * done */ | |
c4653a4d | 2882 | break; |
7d55e835 | 2883 | |
34e9ba66 LP |
2884 | case SERVICE_START: |
2885 | if (s->type == SERVICE_ONESHOT) { | |
2886 | /* This was our main goal, so let's go on */ | |
f42806df | 2887 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
2888 | service_enter_start_post(s); |
2889 | else | |
f42806df | 2890 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 LP |
2891 | break; |
2892 | } else { | |
2893 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2894 | |
34e9ba66 LP |
2895 | /* Fall through */ |
2896 | } | |
034c6ed7 | 2897 | |
34e9ba66 | 2898 | case SERVICE_RUNNING: |
f42806df | 2899 | service_enter_running(s, f); |
34e9ba66 | 2900 | break; |
034c6ed7 | 2901 | |
34e9ba66 LP |
2902 | case SERVICE_STOP_SIGTERM: |
2903 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2904 | |
34e9ba66 | 2905 | if (!control_pid_good(s)) |
f42806df | 2906 | service_enter_stop_post(s, f); |
5cb5a6ff | 2907 | |
34e9ba66 LP |
2908 | /* If there is still a control process, wait for that first */ |
2909 | break; | |
2910 | ||
2911 | default: | |
2912 | assert_not_reached("Uh, main process died at wrong time."); | |
2913 | } | |
034c6ed7 | 2914 | } |
5cb5a6ff | 2915 | |
034c6ed7 | 2916 | } else if (s->control_pid == pid) { |
034c6ed7 | 2917 | |
34e9ba66 LP |
2918 | s->control_pid = 0; |
2919 | ||
b708e7ce | 2920 | if (s->control_command) { |
6ea832a2 | 2921 | exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); |
a16e1123 | 2922 | |
b708e7ce | 2923 | if (s->control_command->ignore) |
f42806df | 2924 | f = SERVICE_SUCCESS; |
b708e7ce LP |
2925 | } |
2926 | ||
f42806df | 2927 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2928 | "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2929 | |
2930 | if (f != SERVICE_SUCCESS) | |
2931 | s->result = f; | |
034c6ed7 | 2932 | |
88f3e0c9 LP |
2933 | /* Immediately get rid of the cgroup, so that the |
2934 | * kernel doesn't delay the cgroup empty messages for | |
2935 | * the service cgroup any longer than necessary */ | |
2936 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); | |
2937 | ||
34e9ba66 LP |
2938 | if (s->control_command && |
2939 | s->control_command->command_next && | |
f42806df | 2940 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
2941 | |
2942 | /* There is another command to * | |
2943 | * execute, so let's do that. */ | |
2944 | ||
ac155bb8 | 2945 | log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2946 | service_run_next_control(s); |
034c6ed7 | 2947 | |
80876c20 | 2948 | } else { |
034c6ed7 LP |
2949 | /* No further commands for this step, so let's |
2950 | * figure out what to do next */ | |
2951 | ||
a16e1123 LP |
2952 | s->control_command = NULL; |
2953 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2954 | ||
ac155bb8 | 2955 | log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state)); |
bd982a8b | 2956 | |
034c6ed7 LP |
2957 | switch (s->state) { |
2958 | ||
2959 | case SERVICE_START_PRE: | |
f42806df | 2960 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
2961 | service_enter_start(s); |
2962 | else | |
f42806df | 2963 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
2964 | break; |
2965 | ||
2966 | case SERVICE_START: | |
2967 | assert(s->type == SERVICE_FORKING); | |
2968 | ||
f42806df LP |
2969 | if (f != SERVICE_SUCCESS) { |
2970 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
2971 | break; |
2972 | } | |
034c6ed7 | 2973 | |
3a111838 | 2974 | if (s->pid_file) { |
f42806df LP |
2975 | bool has_start_post; |
2976 | int r; | |
2977 | ||
3a111838 MS |
2978 | /* Let's try to load the pid file here if we can. |
2979 | * The PID file might actually be created by a START_POST | |
2980 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
2981 | |
2982 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
2983 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
2984 | if (!has_start_post && r < 0) { |
2985 | r = service_demand_pid_file(s); | |
2986 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 2987 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2988 | break; |
2989 | } | |
034c6ed7 | 2990 | } else |
3a111838 | 2991 | service_search_main_pid(s); |
034c6ed7 | 2992 | |
3a111838 | 2993 | service_enter_start_post(s); |
034c6ed7 LP |
2994 | break; |
2995 | ||
2996 | case SERVICE_START_POST: | |
f42806df LP |
2997 | if (f != SERVICE_SUCCESS) { |
2998 | service_enter_stop(s, f); | |
2096e009 | 2999 | break; |
034c6ed7 LP |
3000 | } |
3001 | ||
2096e009 | 3002 | if (s->pid_file) { |
f42806df LP |
3003 | int r; |
3004 | ||
3005 | r = service_load_pid_file(s, true); | |
2096e009 MS |
3006 | if (r < 0) { |
3007 | r = service_demand_pid_file(s); | |
3008 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3009 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
3010 | break; |
3011 | } | |
3012 | } else | |
3013 | service_search_main_pid(s); | |
3014 | ||
f42806df | 3015 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 3016 | break; |
034c6ed7 LP |
3017 | |
3018 | case SERVICE_RELOAD: | |
f42806df | 3019 | if (f == SERVICE_SUCCESS) { |
5375410b | 3020 | service_load_pid_file(s, true); |
3185a36b LP |
3021 | service_search_main_pid(s); |
3022 | } | |
3023 | ||
f42806df LP |
3024 | s->reload_result = f; |
3025 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
3026 | break; |
3027 | ||
3028 | case SERVICE_STOP: | |
f42806df | 3029 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
3030 | break; |
3031 | ||
3032 | case SERVICE_STOP_SIGTERM: | |
3033 | case SERVICE_STOP_SIGKILL: | |
3034 | if (main_pid_good(s) <= 0) | |
f42806df | 3035 | service_enter_stop_post(s, f); |
034c6ed7 LP |
3036 | |
3037 | /* If there is still a service | |
3038 | * process around, wait until | |
3039 | * that one quit, too */ | |
3040 | break; | |
3041 | ||
3042 | case SERVICE_STOP_POST: | |
3043 | case SERVICE_FINAL_SIGTERM: | |
3044 | case SERVICE_FINAL_SIGKILL: | |
f42806df | 3045 | service_enter_dead(s, f, true); |
034c6ed7 LP |
3046 | break; |
3047 | ||
3048 | default: | |
3049 | assert_not_reached("Uh, control process died at wrong time."); | |
3050 | } | |
3051 | } | |
8c47c732 | 3052 | } |
c4e2ceae LP |
3053 | |
3054 | /* Notify clients about changed exit status */ | |
3055 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
3056 | } |
3057 | ||
acbb0225 | 3058 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 3059 | Service *s = SERVICE(u); |
034c6ed7 LP |
3060 | |
3061 | assert(s); | |
3062 | assert(elapsed == 1); | |
3063 | ||
bb242b7b MO |
3064 | if (w == &s->watchdog_watch) { |
3065 | service_handle_watchdog(s); | |
3066 | return; | |
3067 | } | |
3068 | ||
acbb0225 | 3069 | assert(w == &s->timer_watch); |
034c6ed7 LP |
3070 | |
3071 | switch (s->state) { | |
3072 | ||
3073 | case SERVICE_START_PRE: | |
3074 | case SERVICE_START: | |
ac155bb8 | 3075 | log_warning("%s operation timed out. Terminating.", u->id); |
f42806df | 3076 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
3077 | break; |
3078 | ||
034c6ed7 | 3079 | case SERVICE_START_POST: |
ac155bb8 | 3080 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df | 3081 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3082 | break; |
3083 | ||
e2f3b44c | 3084 | case SERVICE_RELOAD: |
ac155bb8 | 3085 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df LP |
3086 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
3087 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
3088 | break; |
3089 | ||
034c6ed7 | 3090 | case SERVICE_STOP: |
ac155bb8 | 3091 | log_warning("%s stopping timed out. Terminating.", u->id); |
f42806df | 3092 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3093 | break; |
3094 | ||
3095 | case SERVICE_STOP_SIGTERM: | |
ba035df2 | 3096 | if (s->exec_context.send_sigkill) { |
ac155bb8 | 3097 | log_warning("%s stopping timed out. Killing.", u->id); |
f42806df | 3098 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3099 | } else { |
ac155bb8 | 3100 | log_warning("%s stopping timed out. Skipping SIGKILL.", u->id); |
f42806df | 3101 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
3102 | } |
3103 | ||
034c6ed7 LP |
3104 | break; |
3105 | ||
3106 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 3107 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
3108 | * Must be something we cannot kill, so let's just be |
3109 | * weirded out and continue */ | |
3110 | ||
ac155bb8 | 3111 | log_warning("%s still around after SIGKILL. Ignoring.", u->id); |
f42806df | 3112 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3113 | break; |
3114 | ||
3115 | case SERVICE_STOP_POST: | |
ac155bb8 | 3116 | log_warning("%s stopping timed out (2). Terminating.", u->id); |
f42806df | 3117 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3118 | break; |
3119 | ||
3120 | case SERVICE_FINAL_SIGTERM: | |
ba035df2 | 3121 | if (s->exec_context.send_sigkill) { |
ac155bb8 | 3122 | log_warning("%s stopping timed out (2). Killing.", u->id); |
f42806df | 3123 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3124 | } else { |
ac155bb8 | 3125 | log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id); |
f42806df | 3126 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
3127 | } |
3128 | ||
034c6ed7 LP |
3129 | break; |
3130 | ||
3131 | case SERVICE_FINAL_SIGKILL: | |
ac155bb8 | 3132 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id); |
f42806df | 3133 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
3134 | break; |
3135 | ||
3136 | case SERVICE_AUTO_RESTART: | |
ac155bb8 | 3137 | log_info("%s holdoff time over, scheduling restart.", u->id); |
034c6ed7 LP |
3138 | service_enter_restart(s); |
3139 | break; | |
3140 | ||
3141 | default: | |
3142 | assert_not_reached("Timeout at wrong time."); | |
3143 | } | |
5cb5a6ff LP |
3144 | } |
3145 | ||
8e274523 LP |
3146 | static void service_cgroup_notify_event(Unit *u) { |
3147 | Service *s = SERVICE(u); | |
3148 | ||
3149 | assert(u); | |
3150 | ||
ac155bb8 | 3151 | log_debug("%s: cgroup is empty", u->id); |
8e274523 LP |
3152 | |
3153 | switch (s->state) { | |
3154 | ||
3155 | /* Waiting for SIGCHLD is usually more interesting, | |
3156 | * because it includes return codes/signals. Which is | |
3157 | * why we ignore the cgroup events for most cases, | |
3158 | * except when we don't know pid which to expect the | |
3159 | * SIGCHLD for. */ | |
3160 | ||
3a111838 MS |
3161 | case SERVICE_START: |
3162 | case SERVICE_START_POST: | |
3163 | /* If we were hoping for the daemon to write its PID file, | |
3164 | * we can give up now. */ | |
3165 | if (s->pid_file_pathspec) { | |
1124fe6f | 3166 | log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id); |
3a111838 MS |
3167 | service_unwatch_pid_file(s); |
3168 | if (s->state == SERVICE_START) | |
f42806df | 3169 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 | 3170 | else |
f42806df | 3171 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3172 | } |
3173 | break; | |
3174 | ||
8e274523 | 3175 | case SERVICE_RUNNING: |
f42806df LP |
3176 | /* service_enter_running() will figure out what to do */ |
3177 | service_enter_running(s, SERVICE_SUCCESS); | |
8e274523 LP |
3178 | break; |
3179 | ||
28708d8a LP |
3180 | case SERVICE_STOP_SIGTERM: |
3181 | case SERVICE_STOP_SIGKILL: | |
6dfa5494 | 3182 | |
28708d8a | 3183 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) |
f42806df | 3184 | service_enter_stop_post(s, SERVICE_SUCCESS); |
28708d8a LP |
3185 | |
3186 | break; | |
3187 | ||
7f97f0fe LP |
3188 | case SERVICE_FINAL_SIGTERM: |
3189 | case SERVICE_FINAL_SIGKILL: | |
3190 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
f42806df | 3191 | service_enter_dead(s, SERVICE_SUCCESS, SERVICE_SUCCESS); |
7f97f0fe LP |
3192 | |
3193 | break; | |
3194 | ||
8e274523 LP |
3195 | default: |
3196 | ; | |
3197 | } | |
3198 | } | |
3199 | ||
c952c6ec | 3200 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
3201 | Service *s = SERVICE(u); |
3202 | const char *e; | |
3203 | ||
3204 | assert(u); | |
3205 | ||
c952c6ec LP |
3206 | if (s->notify_access == NOTIFY_NONE) { |
3207 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
ac155bb8 | 3208 | u->id, (unsigned long) pid); |
c952c6ec LP |
3209 | return; |
3210 | } | |
3211 | ||
3212 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
3213 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
ac155bb8 | 3214 | u->id, (unsigned long) pid, (unsigned long) s->main_pid); |
c952c6ec LP |
3215 | return; |
3216 | } | |
3217 | ||
ac155bb8 | 3218 | log_debug("%s: Got message", u->id); |
8c47c732 LP |
3219 | |
3220 | /* Interpret MAINPID= */ | |
3221 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
3222 | (s->state == SERVICE_START || | |
3223 | s->state == SERVICE_START_POST || | |
3224 | s->state == SERVICE_RUNNING || | |
3225 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 3226 | |
5925dd3c | 3227 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 3228 | log_warning("Failed to parse notification message %s", e); |
8c47c732 | 3229 | else { |
ac155bb8 | 3230 | log_debug("%s: got %s", u->id, e); |
5925dd3c | 3231 | service_set_main_pid(s, pid); |
8c47c732 LP |
3232 | } |
3233 | } | |
3234 | ||
3235 | /* Interpret READY= */ | |
3236 | if (s->type == SERVICE_NOTIFY && | |
3237 | s->state == SERVICE_START && | |
3238 | strv_find(tags, "READY=1")) { | |
ac155bb8 | 3239 | log_debug("%s: got READY=1", u->id); |
8c47c732 LP |
3240 | |
3241 | service_enter_start_post(s); | |
3242 | } | |
3243 | ||
3244 | /* Interpret STATUS= */ | |
7f110ff9 LP |
3245 | e = strv_find_prefix(tags, "STATUS="); |
3246 | if (e) { | |
8c47c732 LP |
3247 | char *t; |
3248 | ||
3a2776bc | 3249 | if (e[7]) { |
7f110ff9 LP |
3250 | |
3251 | if (!utf8_is_valid(e+7)) { | |
3252 | log_warning("Status message in notification is not UTF-8 clean."); | |
3253 | return; | |
3254 | } | |
3255 | ||
3256 | t = strdup(e+7); | |
3257 | if (!t) { | |
3a2776bc LP |
3258 | log_error("Failed to allocate string."); |
3259 | return; | |
3260 | } | |
3261 | ||
ac155bb8 | 3262 | log_debug("%s: got %s", u->id, e); |
8c47c732 | 3263 | |
3a2776bc LP |
3264 | free(s->status_text); |
3265 | s->status_text = t; | |
3266 | } else { | |
3267 | free(s->status_text); | |
3268 | s->status_text = NULL; | |
3269 | } | |
8c47c732 | 3270 | |
8c47c732 | 3271 | } |
a6927d7f MO |
3272 | if (strv_find(tags, "WATCHDOG=1")) { |
3273 | log_debug("%s: got WATCHDOG=1", u->id); | |
3274 | service_reset_watchdog(s); | |
3275 | } | |
c4e2ceae LP |
3276 | |
3277 | /* Notify clients about changed status or main pid */ | |
3278 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3279 | } |
3280 | ||
07459bb6 | 3281 | #ifdef HAVE_SYSV_COMPAT |
de3910a3 FC |
3282 | |
3283 | #ifdef TARGET_SUSE | |
3284 | static void sysv_facility_in_insserv_conf(Manager *mgr) { | |
3285 | FILE *f=NULL; | |
3286 | int r; | |
3287 | ||
3288 | if (!(f = fopen("/etc/insserv.conf", "re"))) { | |
3289 | r = errno == ENOENT ? 0 : -errno; | |
3290 | goto finish; | |
3291 | } | |
3292 | ||
3293 | while (!feof(f)) { | |
3294 | char l[LINE_MAX], *t; | |
3295 | char **parsed = NULL; | |
3296 | ||
3297 | if (!fgets(l, sizeof(l), f)) { | |
3298 | if (feof(f)) | |
3299 | break; | |
3300 | ||
3301 | r = -errno; | |
3302 | log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r)); | |
3303 | goto finish; | |
3304 | } | |
3305 | ||
3306 | t = strstrip(l); | |
3307 | if (*t != '$' && *t != '<') | |
3308 | continue; | |
3309 | ||
3310 | parsed = strv_split(t,WHITESPACE); | |
3311 | /* we ignore <interactive>, not used, equivalent to X-Interactive */ | |
3312 | if (parsed && !startswith_no_case (parsed[0], "<interactive>")) { | |
3313 | char *facility; | |
3314 | Unit *u; | |
3315 | if (sysv_translate_facility(parsed[0], NULL, &facility) < 0) | |
3316 | continue; | |
ac155bb8 | 3317 | if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) { |
de3910a3 FC |
3318 | UnitDependency e; |
3319 | char *dep = NULL, *name, **j; | |
3320 | ||
3321 | STRV_FOREACH (j, parsed+1) { | |
3322 | if (*j[0]=='+') { | |
3323 | e = UNIT_WANTS; | |
3324 | name = *j+1; | |
3325 | } | |
3326 | else { | |
3327 | e = UNIT_REQUIRES; | |
3328 | name = *j; | |
3329 | } | |
3330 | if (sysv_translate_facility(name, NULL, &dep) < 0) | |
3331 | continue; | |
3332 | ||
3333 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true); | |
3334 | free(dep); | |
3335 | } | |
3336 | } | |
3337 | free(facility); | |
3338 | } | |
3339 | strv_free(parsed); | |
3340 | } | |
3341 | finish: | |
3342 | if (f) | |
3343 | fclose(f); | |
3344 | ||
3345 | } | |
3346 | #endif | |
3347 | ||
2c4104f0 | 3348 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
3349 | char **p; |
3350 | unsigned i; | |
3351 | DIR *d = NULL; | |
3352 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
3353 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
3354 | Unit *service; | |
3355 | Iterator j; | |
2c4104f0 LP |
3356 | int r; |
3357 | ||
3358 | assert(m); | |
3359 | ||
b1bc08e5 LP |
3360 | if (m->running_as != MANAGER_SYSTEM) |
3361 | return 0; | |
3362 | ||
c68364b7 LP |
3363 | zero(runlevel_services); |
3364 | ||
84e3543e | 3365 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 3366 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
3367 | struct dirent *de; |
3368 | ||
3369 | free(path); | |
70132bd0 LP |
3370 | path = join(*p, "/", rcnd_table[i].path, NULL); |
3371 | if (!path) { | |
2c4104f0 LP |
3372 | r = -ENOMEM; |
3373 | goto finish; | |
3374 | } | |
3375 | ||
3376 | if (d) | |
3377 | closedir(d); | |
3378 | ||
3379 | if (!(d = opendir(path))) { | |
3380 | if (errno != ENOENT) | |
3381 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
3382 | ||
3383 | continue; | |
3384 | } | |
3385 | ||
3386 | while ((de = readdir(d))) { | |
db06e3b6 | 3387 | int a, b; |
2c4104f0 LP |
3388 | |
3389 | if (ignore_file(de->d_name)) | |
3390 | continue; | |
3391 | ||
3392 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
3393 | continue; | |
3394 | ||
3395 | if (strlen(de->d_name) < 4) | |
3396 | continue; | |
3397 | ||
db06e3b6 LP |
3398 | a = undecchar(de->d_name[1]); |
3399 | b = undecchar(de->d_name[2]); | |
3400 | ||
3401 | if (a < 0 || b < 0) | |
3402 | continue; | |
3403 | ||
2c4104f0 | 3404 | free(fpath); |
44d91056 | 3405 | fpath = join(path, "/", de->d_name, NULL); |
8ea913b2 | 3406 | if (!fpath) { |
2c4104f0 LP |
3407 | r = -ENOMEM; |
3408 | goto finish; | |
3409 | } | |
3410 | ||
3411 | if (access(fpath, X_OK) < 0) { | |
3412 | ||
3413 | if (errno != ENOENT) | |
3414 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
3415 | ||
3416 | continue; | |
3417 | } | |
3418 | ||
3419 | free(name); | |
b7ccee3c | 3420 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
3421 | r = -ENOMEM; |
3422 | goto finish; | |
3423 | } | |
3424 | ||
398ef8ba | 3425 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
3426 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
3427 | continue; | |
3428 | } | |
2c4104f0 | 3429 | |
c68364b7 LP |
3430 | if (de->d_name[0] == 'S') { |
3431 | ||
f73d93a4 | 3432 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
ea87ca5a LP |
3433 | SERVICE(service)->sysv_start_priority_from_rcnd = |
3434 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd); | |
db06e3b6 | 3435 | |
c68364b7 | 3436 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3437 | } |
db06e3b6 | 3438 | |
c68364b7 LP |
3439 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
3440 | goto finish; | |
2c4104f0 | 3441 | |
c68364b7 | 3442 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 3443 | goto finish; |
23a177ef | 3444 | |
fc5df99e LP |
3445 | } else if (de->d_name[0] == 'K' && |
3446 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
3447 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3448 | |
c68364b7 LP |
3449 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3450 | goto finish; | |
3451 | ||
3452 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3453 | goto finish; |
3454 | } | |
3455 | } | |
3456 | } | |
3457 | ||
c68364b7 LP |
3458 | /* Now we loaded all stubs and are aware of the lowest |
3459 | start-up priority for all services, not let's actually load | |
3460 | the services, this will also tell us which services are | |
3461 | actually native now */ | |
3462 | manager_dispatch_load_queue(m); | |
3463 | ||
3464 | /* If this is a native service, rely on native ways to pull in | |
3465 | * a service, don't pull it in via sysv rcN.d links. */ | |
3466 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3467 | SET_FOREACH(service, runlevel_services[i], j) { | |
3468 | service = unit_follow_merge(service); | |
3469 | ||
ac155bb8 | 3470 | if (service->fragment_path) |
c68364b7 LP |
3471 | continue; |
3472 | ||
3473 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3474 | goto finish; | |
3475 | } | |
3476 | ||
3477 | /* We honour K links only for halt/reboot. For the normal | |
3478 | * runlevels we assume the stop jobs will be implicitly added | |
35b8ca3a | 3479 | * by the core logic. Also, we don't really distinguish here |
c68364b7 LP |
3480 | * between the runlevels 0 and 6 and just add them to the |
3481 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3482 | * also used for shutdown, so we add links for that too to the | |
3483 | * shutdown target.*/ | |
3484 | SET_FOREACH(service, shutdown_services, j) { | |
3485 | service = unit_follow_merge(service); | |
3486 | ||
ac155bb8 | 3487 | if (service->fragment_path) |
c68364b7 LP |
3488 | continue; |
3489 | ||
ead8e478 | 3490 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3491 | goto finish; |
3492 | } | |
3493 | ||
2c4104f0 LP |
3494 | r = 0; |
3495 | ||
de3910a3 | 3496 | #ifdef TARGET_SUSE |
3a111838 | 3497 | sysv_facility_in_insserv_conf (m); |
de3910a3 FC |
3498 | #endif |
3499 | ||
2c4104f0 LP |
3500 | finish: |
3501 | free(path); | |
3502 | free(fpath); | |
3503 | free(name); | |
fbe9f3a9 | 3504 | |
c68364b7 LP |
3505 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3506 | set_free(runlevel_services[i]); | |
3507 | set_free(shutdown_services); | |
3508 | ||
fbe9f3a9 LP |
3509 | if (d) |
3510 | closedir(d); | |
2c4104f0 LP |
3511 | |
3512 | return r; | |
3513 | } | |
07459bb6 | 3514 | #endif |
2c4104f0 | 3515 | |
05e343b7 LP |
3516 | static void service_bus_name_owner_change( |
3517 | Unit *u, | |
3518 | const char *name, | |
3519 | const char *old_owner, | |
3520 | const char *new_owner) { | |
3521 | ||
3522 | Service *s = SERVICE(u); | |
3523 | ||
3524 | assert(s); | |
3525 | assert(name); | |
3526 | ||
3527 | assert(streq(s->bus_name, name)); | |
3528 | assert(old_owner || new_owner); | |
3529 | ||
3530 | if (old_owner && new_owner) | |
ac155bb8 | 3531 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner); |
05e343b7 | 3532 | else if (old_owner) |
ac155bb8 | 3533 | log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner); |
05e343b7 | 3534 | else |
ac155bb8 | 3535 | log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner); |
05e343b7 LP |
3536 | |
3537 | s->bus_name_good = !!new_owner; | |
3538 | ||
3539 | if (s->type == SERVICE_DBUS) { | |
3540 | ||
3541 | /* service_enter_running() will figure out what to | |
3542 | * do */ | |
3543 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3544 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3545 | else if (s->state == SERVICE_START && new_owner) |
3546 | service_enter_start_post(s); | |
3547 | ||
3548 | } else if (new_owner && | |
3549 | s->main_pid <= 0 && | |
3550 | (s->state == SERVICE_START || | |
3551 | s->state == SERVICE_START_POST || | |
3552 | s->state == SERVICE_RUNNING || | |
3553 | s->state == SERVICE_RELOAD)) { | |
3554 | ||
3555 | /* Try to acquire PID from bus service */ | |
3556 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3557 | ||
ac155bb8 | 3558 | bus_query_pid(u->manager, name); |
05e343b7 LP |
3559 | } |
3560 | } | |
3561 | ||
3562 | static void service_bus_query_pid_done( | |
3563 | Unit *u, | |
3564 | const char *name, | |
3565 | pid_t pid) { | |
3566 | ||
3567 | Service *s = SERVICE(u); | |
3568 | ||
3569 | assert(s); | |
3570 | assert(name); | |
3571 | ||
ac155bb8 | 3572 | log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid); |
05e343b7 LP |
3573 | |
3574 | if (s->main_pid <= 0 && | |
3575 | (s->state == SERVICE_START || | |
3576 | s->state == SERVICE_START_POST || | |
3577 | s->state == SERVICE_RUNNING || | |
3578 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3579 | service_set_main_pid(s, pid); |
05e343b7 LP |
3580 | } |
3581 | ||
6cf6bbc2 | 3582 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
57020a3a | 3583 | |
4f2d528d LP |
3584 | assert(s); |
3585 | assert(fd >= 0); | |
3586 | ||
3587 | /* This is called by the socket code when instantiating a new | |
3588 | * service for a stream socket and the socket needs to be | |
3589 | * configured. */ | |
3590 | ||
1124fe6f | 3591 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3592 | return -EINVAL; |
3593 | ||
3594 | if (s->socket_fd >= 0) | |
3595 | return -EBUSY; | |
3596 | ||
3597 | if (s->state != SERVICE_DEAD) | |
3598 | return -EAGAIN; | |
3599 | ||
3600 | s->socket_fd = fd; | |
701cc384 | 3601 | s->got_socket_fd = true; |
6cf6bbc2 | 3602 | |
57020a3a LP |
3603 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3604 | ||
3605 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3606 | } |
3607 | ||
fdf20a31 | 3608 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3609 | Service *s = SERVICE(u); |
3610 | ||
3611 | assert(s); | |
3612 | ||
fdf20a31 | 3613 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3614 | service_set_state(s, SERVICE_DEAD); |
3615 | ||
f42806df LP |
3616 | s->result = SERVICE_SUCCESS; |
3617 | s->reload_result = SERVICE_SUCCESS; | |
5632e374 LP |
3618 | } |
3619 | ||
5f4b19f4 LP |
3620 | static bool service_need_daemon_reload(Unit *u) { |
3621 | Service *s = SERVICE(u); | |
3622 | ||
3623 | assert(s); | |
3624 | ||
3625 | #ifdef HAVE_SYSV_COMPAT | |
3626 | if (s->sysv_path) { | |
3627 | struct stat st; | |
3628 | ||
3629 | zero(st); | |
3630 | if (stat(s->sysv_path, &st) < 0) | |
3631 | /* What, cannot access this anymore? */ | |
3632 | return true; | |
3633 | ||
3634 | if (s->sysv_mtime > 0 && | |
3635 | timespec_load(&st.st_mtim) != s->sysv_mtime) | |
3636 | return true; | |
3637 | } | |
3638 | #endif | |
3639 | ||
3640 | return false; | |
3641 | } | |
3642 | ||
8a0867d6 LP |
3643 | static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { |
3644 | Service *s = SERVICE(u); | |
3645 | int r = 0; | |
3646 | Set *pid_set = NULL; | |
3647 | ||
3648 | assert(s); | |
3649 | ||
3650 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3651 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
a17204af | 3652 | return -ESRCH; |
8a0867d6 LP |
3653 | } |
3654 | ||
3655 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3656 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
a17204af | 3657 | return -ESRCH; |
8a0867d6 LP |
3658 | } |
3659 | ||
3611581e LP |
3660 | if (who == KILL_CONTROL || who == KILL_ALL) |
3661 | if (s->control_pid > 0) | |
3662 | if (kill(s->control_pid, signo) < 0) | |
3663 | r = -errno; | |
8a0867d6 | 3664 | |
3611581e LP |
3665 | if (who == KILL_MAIN || who == KILL_ALL) |
3666 | if (s->main_pid > 0) | |
3667 | if (kill(s->main_pid, signo) < 0) | |
3668 | r = -errno; | |
8a0867d6 | 3669 | |
3611581e | 3670 | if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) { |
8a0867d6 LP |
3671 | int q; |
3672 | ||
3673 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) | |
3674 | return -ENOMEM; | |
3675 | ||
3676 | /* Exclude the control/main pid from being killed via the cgroup */ | |
3677 | if (s->control_pid > 0) | |
3678 | if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { | |
3679 | r = q; | |
3680 | goto finish; | |
3681 | } | |
3682 | ||
3683 | if (s->main_pid > 0) | |
3684 | if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) { | |
3685 | r = q; | |
3686 | goto finish; | |
3687 | } | |
88f3e0c9 | 3688 | q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL); |
ecedd90f | 3689 | if (q < 0) |
3611581e | 3690 | if (q != -EAGAIN && q != -ESRCH && q != -ENOENT) |
8a0867d6 LP |
3691 | r = q; |
3692 | } | |
3693 | ||
3694 | finish: | |
3695 | if (pid_set) | |
3696 | set_free(pid_set); | |
3697 | ||
3698 | return r; | |
3699 | } | |
3700 | ||
94f04347 LP |
3701 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3702 | [SERVICE_DEAD] = "dead", | |
3703 | [SERVICE_START_PRE] = "start-pre", | |
3704 | [SERVICE_START] = "start", | |
3705 | [SERVICE_START_POST] = "start-post", | |
3706 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3707 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3708 | [SERVICE_RELOAD] = "reload", |
3709 | [SERVICE_STOP] = "stop", | |
3710 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3711 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3712 | [SERVICE_STOP_POST] = "stop-post", | |
3713 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3714 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3715 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3716 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3717 | }; | |
3718 | ||
3719 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3720 | ||
3721 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3722 | [SERVICE_RESTART_NO] = "no", |
3723 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3724 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3725 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3726 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3727 | }; |
3728 | ||
3729 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3730 | ||
3731 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3732 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3733 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3734 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3735 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3736 | [SERVICE_NOTIFY] = "notify", |
3737 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3738 | }; |
3739 | ||
3740 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3741 | ||
e537352b | 3742 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3743 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3744 | [SERVICE_EXEC_START] = "ExecStart", | |
3745 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3746 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3747 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3748 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3749 | }; | |
3750 | ||
3751 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3752 | ||
c952c6ec LP |
3753 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3754 | [NOTIFY_NONE] = "none", | |
3755 | [NOTIFY_MAIN] = "main", | |
3756 | [NOTIFY_ALL] = "all" | |
3757 | }; | |
3758 | ||
3759 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3760 | ||
f42806df LP |
3761 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3762 | [SERVICE_SUCCESS] = "success", | |
3763 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3764 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3765 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3766 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b MO |
3767 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
3768 | [SERVICE_FAILURE_WATCHDOG] = "watchdog" | |
f42806df LP |
3769 | }; |
3770 | ||
3771 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3772 | ||
4b939747 MO |
3773 | static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = { |
3774 | [SERVICE_START_LIMIT_NONE] = "none", | |
3775 | [SERVICE_START_LIMIT_REBOOT] = "reboot", | |
3776 | [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force", | |
3777 | [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate" | |
3778 | }; | |
3779 | DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction); | |
3780 | ||
87f0e418 | 3781 | const UnitVTable service_vtable = { |
5cb5a6ff | 3782 | .suffix = ".service", |
7d17cfbc | 3783 | .object_size = sizeof(Service), |
f975e971 LP |
3784 | .sections = |
3785 | "Unit\0" | |
3786 | "Service\0" | |
3787 | "Install\0", | |
5cb5a6ff | 3788 | |
034c6ed7 LP |
3789 | .init = service_init, |
3790 | .done = service_done, | |
a16e1123 LP |
3791 | .load = service_load, |
3792 | ||
3793 | .coldplug = service_coldplug, | |
034c6ed7 | 3794 | |
5cb5a6ff LP |
3795 | .dump = service_dump, |
3796 | ||
3797 | .start = service_start, | |
3798 | .stop = service_stop, | |
3799 | .reload = service_reload, | |
3800 | ||
034c6ed7 LP |
3801 | .can_reload = service_can_reload, |
3802 | ||
8a0867d6 LP |
3803 | .kill = service_kill, |
3804 | ||
a16e1123 LP |
3805 | .serialize = service_serialize, |
3806 | .deserialize_item = service_deserialize_item, | |
3807 | ||
5cb5a6ff | 3808 | .active_state = service_active_state, |
10a94420 | 3809 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3810 | |
701cc384 LP |
3811 | .check_gc = service_check_gc, |
3812 | .check_snapshot = service_check_snapshot, | |
3813 | ||
034c6ed7 LP |
3814 | .sigchld_event = service_sigchld_event, |
3815 | .timer_event = service_timer_event, | |
3a111838 | 3816 | .fd_event = service_fd_event, |
2c4104f0 | 3817 | |
fdf20a31 | 3818 | .reset_failed = service_reset_failed, |
5632e374 | 3819 | |
5f4b19f4 LP |
3820 | .need_daemon_reload = service_need_daemon_reload, |
3821 | ||
8e274523 | 3822 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3823 | .notify_message = service_notify_message, |
8e274523 | 3824 | |
05e343b7 LP |
3825 | .bus_name_owner_change = service_bus_name_owner_change, |
3826 | .bus_query_pid_done = service_bus_query_pid_done, | |
3827 | ||
c4e2ceae | 3828 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3829 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3830 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3831 | |
07459bb6 | 3832 | #ifdef HAVE_SYSV_COMPAT |
c6918296 | 3833 | .enumerate = service_enumerate, |
07459bb6 | 3834 | #endif |
c6918296 MS |
3835 | .status_message_formats = { |
3836 | .starting_stopping = { | |
3837 | [0] = "Starting %s...", | |
3838 | [1] = "Stopping %s...", | |
3839 | }, | |
3840 | .finished_start_job = { | |
3841 | [JOB_DONE] = "Started %s.", | |
3842 | [JOB_FAILED] = "Failed to start %s.", | |
3843 | [JOB_DEPENDENCY] = "Dependency failed for %s.", | |
3844 | [JOB_TIMEOUT] = "Timed out starting %s.", | |
3845 | }, | |
3846 | .finished_stop_job = { | |
3847 | [JOB_DONE] = "Stopped %s.", | |
3848 | [JOB_FAILED] = "Stopped (with error) %s.", | |
3849 | [JOB_TIMEOUT] = "Timed out stopping %s.", | |
3850 | }, | |
3851 | }, | |
5cb5a6ff | 3852 | }; |