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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
9 | under the terms of the GNU Lesser General Public License as published by |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
11 | (at your option) any later version. |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 16 | Lesser General Public License for more details. |
a7334b09 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
4b939747 | 26 | #include <sys/reboot.h> |
5cb5a6ff | 27 | |
4b939747 | 28 | #include "manager.h" |
87f0e418 | 29 | #include "unit.h" |
5cb5a6ff LP |
30 | #include "service.h" |
31 | #include "load-fragment.h" | |
32 | #include "load-dropin.h" | |
034c6ed7 | 33 | #include "log.h" |
2c4104f0 | 34 | #include "strv.h" |
9e2f7c11 | 35 | #include "unit-name.h" |
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 | |
e056b01d LP |
111 | /* For Type=idle we never want to delay any other jobs, hence we |
112 | * consider idle jobs active as soon as we start working on them */ | |
113 | static const UnitActiveState state_translation_table_idle[_SERVICE_STATE_MAX] = { | |
114 | [SERVICE_DEAD] = UNIT_INACTIVE, | |
115 | [SERVICE_START_PRE] = UNIT_ACTIVE, | |
116 | [SERVICE_START] = UNIT_ACTIVE, | |
117 | [SERVICE_START_POST] = UNIT_ACTIVE, | |
118 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
119 | [SERVICE_EXITED] = UNIT_ACTIVE, | |
120 | [SERVICE_RELOAD] = UNIT_RELOADING, | |
121 | [SERVICE_STOP] = UNIT_DEACTIVATING, | |
122 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
123 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
124 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
125 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
126 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
127 | [SERVICE_FAILED] = UNIT_FAILED, | |
128 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING | |
129 | }; | |
130 | ||
a16e1123 LP |
131 | static void service_init(Unit *u) { |
132 | Service *s = SERVICE(u); | |
c93ff2e9 | 133 | int i; |
a16e1123 LP |
134 | |
135 | assert(u); | |
ac155bb8 | 136 | assert(u->load_state == UNIT_STUB); |
a16e1123 LP |
137 | |
138 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
139 | s->restart_usec = DEFAULT_RESTART_USEC; | |
0b86feac | 140 | s->type = _SERVICE_TYPE_INVALID; |
bb242b7b MO |
141 | |
142 | s->watchdog_watch.type = WATCH_INVALID; | |
143 | ||
a16e1123 | 144 | s->timer_watch.type = WATCH_INVALID; |
07459bb6 | 145 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 146 | s->sysv_start_priority = -1; |
ea87ca5a | 147 | s->sysv_start_priority_from_rcnd = -1; |
07459bb6 | 148 | #endif |
a16e1123 | 149 | s->socket_fd = -1; |
3185a36b | 150 | s->guess_main_pid = true; |
a16e1123 LP |
151 | |
152 | exec_context_init(&s->exec_context); | |
c93ff2e9 FC |
153 | for (i = 0; i < RLIMIT_NLIMITS; i++) |
154 | if (UNIT(s)->manager->rlimit[i]) | |
155 | s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1); | |
4819ff03 | 156 | kill_context_init(&s->kill_context); |
a16e1123 | 157 | |
4b939747 | 158 | RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5); |
a16e1123 LP |
159 | |
160 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
161 | } | |
162 | ||
5e94833f LP |
163 | static void service_unwatch_control_pid(Service *s) { |
164 | assert(s); | |
165 | ||
166 | if (s->control_pid <= 0) | |
167 | return; | |
168 | ||
169 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
170 | s->control_pid = 0; | |
171 | } | |
172 | ||
173 | static void service_unwatch_main_pid(Service *s) { | |
174 | assert(s); | |
175 | ||
176 | if (s->main_pid <= 0) | |
177 | return; | |
178 | ||
179 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
180 | s->main_pid = 0; | |
181 | } | |
182 | ||
3e52541e MS |
183 | static void service_unwatch_pid_file(Service *s) { |
184 | if (!s->pid_file_pathspec) | |
185 | return; | |
186 | ||
187 | log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); | |
188 | path_spec_unwatch(s->pid_file_pathspec, UNIT(s)); | |
189 | path_spec_done(s->pid_file_pathspec); | |
190 | free(s->pid_file_pathspec); | |
191 | s->pid_file_pathspec = NULL; | |
192 | } | |
193 | ||
5925dd3c | 194 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
195 | pid_t ppid; |
196 | ||
5925dd3c LP |
197 | assert(s); |
198 | ||
199 | if (pid <= 1) | |
200 | return -EINVAL; | |
201 | ||
202 | if (pid == getpid()) | |
203 | return -EINVAL; | |
204 | ||
6dfa5494 LP |
205 | s->main_pid = pid; |
206 | s->main_pid_known = true; | |
207 | ||
208 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
e55224ca | 209 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", |
1124fe6f | 210 | UNIT(s)->id, (unsigned long) pid); |
e55224ca | 211 | |
6dfa5494 LP |
212 | s->main_pid_alien = true; |
213 | } else | |
214 | s->main_pid_alien = false; | |
5925dd3c | 215 | |
b58b4116 LP |
216 | exec_status_start(&s->main_exec_status, pid); |
217 | ||
5925dd3c LP |
218 | return 0; |
219 | } | |
220 | ||
4f2d528d LP |
221 | static void service_close_socket_fd(Service *s) { |
222 | assert(s); | |
223 | ||
224 | if (s->socket_fd < 0) | |
225 | return; | |
226 | ||
227 | close_nointr_nofail(s->socket_fd); | |
228 | s->socket_fd = -1; | |
229 | } | |
230 | ||
6cf6bbc2 LP |
231 | static void service_connection_unref(Service *s) { |
232 | assert(s); | |
233 | ||
57020a3a | 234 | if (!UNIT_DEREF(s->accept_socket)) |
6cf6bbc2 LP |
235 | return; |
236 | ||
57020a3a LP |
237 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
238 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
239 | } |
240 | ||
a6927d7f MO |
241 | static void service_stop_watchdog(Service *s) { |
242 | assert(s); | |
243 | ||
bb242b7b | 244 | unit_unwatch_timer(UNIT(s), &s->watchdog_watch); |
a6927d7f MO |
245 | s->watchdog_timestamp.realtime = 0; |
246 | s->watchdog_timestamp.monotonic = 0; | |
247 | } | |
248 | ||
bb242b7b MO |
249 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart); |
250 | ||
251 | static void service_handle_watchdog(Service *s) { | |
252 | usec_t offset; | |
253 | int r; | |
254 | ||
255 | assert(s); | |
256 | ||
257 | if (s->watchdog_usec == 0) | |
258 | return; | |
259 | ||
260 | offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic; | |
261 | if (offset >= s->watchdog_usec) { | |
262 | log_error("%s watchdog timeout!", UNIT(s)->id); | |
263 | service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true); | |
264 | return; | |
265 | } | |
266 | ||
267 | r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch); | |
268 | if (r < 0) | |
269 | log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
270 | } | |
271 | ||
a6927d7f MO |
272 | static void service_reset_watchdog(Service *s) { |
273 | assert(s); | |
274 | ||
275 | dual_timestamp_get(&s->watchdog_timestamp); | |
bb242b7b | 276 | service_handle_watchdog(s); |
a6927d7f MO |
277 | } |
278 | ||
87f0e418 LP |
279 | static void service_done(Unit *u) { |
280 | Service *s = SERVICE(u); | |
44d8db9e LP |
281 | |
282 | assert(s); | |
283 | ||
284 | free(s->pid_file); | |
285 | s->pid_file = NULL; | |
286 | ||
07459bb6 | 287 | #ifdef HAVE_SYSV_COMPAT |
8309400a LP |
288 | free(s->sysv_runlevels); |
289 | s->sysv_runlevels = NULL; | |
07459bb6 | 290 | #endif |
8309400a | 291 | |
8c47c732 LP |
292 | free(s->status_text); |
293 | s->status_text = NULL; | |
294 | ||
44d8db9e | 295 | exec_context_done(&s->exec_context); |
e537352b | 296 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 297 | s->control_command = NULL; |
867b3b7d | 298 | s->main_command = NULL; |
44d8db9e LP |
299 | |
300 | /* This will leak a process, but at least no memory or any of | |
301 | * our resources */ | |
5e94833f LP |
302 | service_unwatch_main_pid(s); |
303 | service_unwatch_control_pid(s); | |
3e52541e | 304 | service_unwatch_pid_file(s); |
44d8db9e | 305 | |
05e343b7 | 306 | if (s->bus_name) { |
ac155bb8 | 307 | unit_unwatch_bus_name(u, s->bus_name); |
05e343b7 LP |
308 | free(s->bus_name); |
309 | s->bus_name = NULL; | |
310 | } | |
311 | ||
4f2d528d | 312 | service_close_socket_fd(s); |
6cf6bbc2 | 313 | service_connection_unref(s); |
4f2d528d | 314 | |
57020a3a | 315 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 316 | |
bb242b7b MO |
317 | service_stop_watchdog(s); |
318 | ||
acbb0225 | 319 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
320 | } |
321 | ||
07459bb6 | 322 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
323 | static char *sysv_translate_name(const char *name) { |
324 | char *r; | |
325 | ||
326 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
327 | return NULL; | |
328 | ||
1bd8b818 | 329 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 MB |
330 | if (endswith(name, ".sh")) |
331 | /* Drop Debian-style .sh suffix */ | |
332 | strcpy(stpcpy(r, name) - 3, ".service"); | |
333 | #endif | |
334 | #ifdef TARGET_SUSE | |
b7ccee3c LP |
335 | if (startswith(name, "boot.")) |
336 | /* Drop SuSE-style boot. prefix */ | |
337 | strcpy(stpcpy(r, name + 5), ".service"); | |
5b819198 | 338 | #endif |
65530632 | 339 | #ifdef TARGET_FRUGALWARE |
5b819198 | 340 | if (startswith(name, "rc.")) |
65530632 MV |
341 | /* Drop Frugalware-style rc. prefix */ |
342 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 343 | #endif |
b7ccee3c LP |
344 | else |
345 | /* Normal init scripts */ | |
346 | strcpy(stpcpy(r, name), ".service"); | |
347 | ||
348 | return r; | |
349 | } | |
350 | ||
ee95669f | 351 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 352 | |
a7d3cc26 LP |
353 | /* We silently ignore the $ prefix here. According to the LSB |
354 | * spec it simply indicates whether something is a | |
355 | * standardized name or a distribution-specific one. Since we | |
356 | * just follow what already exists and do not introduce new | |
357 | * uses or names we don't care who introduced a new name. */ | |
358 | ||
2c4104f0 | 359 | static const char * const table[] = { |
6464aa08 | 360 | /* LSB defined facilities */ |
a7d3cc26 | 361 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
6fdae8a6 DM |
362 | #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) |
363 | #else | |
8d0e38a2 LP |
364 | /* Due to unfortunate name selection in Mandriva, |
365 | * $network is provided by network-up which is ordered | |
366 | * after network which actually starts interfaces. | |
367 | * To break the loop, just ignore it */ | |
a7d3cc26 | 368 | "network", SPECIAL_NETWORK_TARGET, |
1de4d79b | 369 | #endif |
a7d3cc26 LP |
370 | "named", SPECIAL_NSS_LOOKUP_TARGET, |
371 | "portmap", SPECIAL_RPCBIND_TARGET, | |
372 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
373 | "syslog", SPECIAL_SYSLOG_TARGET, | |
4466194c | 374 | "time", SPECIAL_TIME_SYNC_TARGET, |
6464aa08 | 375 | |
0b603b4e KS |
376 | /* common extensions */ |
377 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
378 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
379 | "null", NULL, | |
380 | ||
1bd8b818 | 381 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
a7d3cc26 | 382 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 383 | #endif |
3177a49c LP |
384 | |
385 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
386 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
387 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
388 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 389 | #endif |
a7d3cc26 | 390 | |
0b603b4e KS |
391 | #ifdef TARGET_SUSE |
392 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
393 | #endif | |
2c4104f0 LP |
394 | }; |
395 | ||
396 | unsigned i; | |
397 | char *r; | |
ee95669f | 398 | const char *n; |
2c4104f0 | 399 | |
ee95669f LP |
400 | assert(name); |
401 | assert(_r); | |
a7d3cc26 | 402 | |
ee95669f | 403 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 404 | |
ee95669f | 405 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 406 | |
ee95669f LP |
407 | if (!streq(table[i], n)) |
408 | continue; | |
2c4104f0 | 409 | |
ee95669f LP |
410 | if (!table[i+1]) |
411 | return 0; | |
412 | ||
413 | if (!(r = strdup(table[i+1]))) | |
414 | return -ENOMEM; | |
415 | ||
416 | goto finish; | |
417 | } | |
2c4104f0 | 418 | |
a7d3cc26 | 419 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 420 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 421 | |
e83c7c0b LP |
422 | if (*name == '$') { |
423 | if (!unit_prefix_is_valid(n)) | |
424 | return -EINVAL; | |
425 | ||
ee95669f LP |
426 | /* Facilities starting with $ are most likely targets */ |
427 | r = unit_name_build(n, NULL, ".target"); | |
e83c7c0b | 428 | } else if (filename && streq(name, filename)) |
35b8ca3a | 429 | /* Names equaling the file name of the services are redundant */ |
ee95669f | 430 | return 0; |
32159d3a | 431 | else |
ee95669f LP |
432 | /* Everything else we assume to be normal service names */ |
433 | r = sysv_translate_name(n); | |
2c4104f0 | 434 | |
32159d3a | 435 | if (!r) |
2c4104f0 LP |
436 | return -ENOMEM; |
437 | ||
438 | finish: | |
b4353094 | 439 | *_r = r; |
2c4104f0 LP |
440 | |
441 | return 1; | |
442 | } | |
443 | ||
56d748b4 | 444 | static int sysv_fix_order(Service *s) { |
ac155bb8 | 445 | Unit *other; |
2c4104f0 LP |
446 | int r; |
447 | ||
448 | assert(s); | |
449 | ||
450 | if (s->sysv_start_priority < 0) | |
451 | return 0; | |
452 | ||
23a177ef LP |
453 | /* For each pair of services where at least one lacks a LSB |
454 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 455 | |
1124fe6f | 456 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
2c4104f0 LP |
457 | Service *t; |
458 | UnitDependency d; | |
eeaafddc | 459 | bool special_s, special_t; |
2c4104f0 | 460 | |
595ed347 | 461 | t = SERVICE(other); |
2c4104f0 LP |
462 | |
463 | if (s == t) | |
464 | continue; | |
9f151f29 | 465 | |
1124fe6f | 466 | if (UNIT(t)->load_state != UNIT_LOADED) |
9f151f29 | 467 | continue; |
2c4104f0 LP |
468 | |
469 | if (t->sysv_start_priority < 0) | |
470 | continue; | |
471 | ||
51a1a79d LP |
472 | /* If both units have modern headers we don't care |
473 | * about the priorities */ | |
1124fe6f MS |
474 | if ((UNIT(s)->fragment_path || s->sysv_has_lsb) && |
475 | (UNIT(t)->fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
476 | continue; |
477 | ||
eeaafddc LP |
478 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
479 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
480 | ||
481 | if (special_t && !special_s) | |
482 | d = UNIT_AFTER; | |
483 | else if (special_s && !special_t) | |
484 | d = UNIT_BEFORE; | |
485 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
486 | d = UNIT_AFTER; |
487 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
488 | d = UNIT_BEFORE; | |
489 | else | |
490 | continue; | |
491 | ||
492 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
493 | ||
da19d5c1 | 494 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
495 | return r; |
496 | } | |
497 | ||
498 | return 0; | |
499 | } | |
500 | ||
501 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
502 | ExecCommand *c; | |
503 | ||
504 | if (!(c = new0(ExecCommand, 1))) | |
505 | return NULL; | |
506 | ||
507 | if (!(c->path = strdup(path))) { | |
508 | free(c); | |
509 | return NULL; | |
510 | } | |
511 | ||
512 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
513 | free(c->path); | |
514 | free(c); | |
515 | return NULL; | |
516 | } | |
517 | ||
518 | return c; | |
519 | } | |
520 | ||
521 | static int sysv_exec_commands(Service *s) { | |
522 | ExecCommand *c; | |
523 | ||
524 | assert(s); | |
1b64d026 LP |
525 | assert(s->is_sysv); |
526 | assert(UNIT(s)->source_path); | |
2c4104f0 | 527 | |
1b64d026 LP |
528 | c = exec_command_new(UNIT(s)->source_path, "start"); |
529 | if (!c) | |
2c4104f0 LP |
530 | return -ENOMEM; |
531 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
532 | ||
1b64d026 LP |
533 | c = exec_command_new(UNIT(s)->source_path, "stop"); |
534 | if (!c) | |
2c4104f0 LP |
535 | return -ENOMEM; |
536 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
537 | ||
1b64d026 LP |
538 | c = exec_command_new(UNIT(s)->source_path, "reload"); |
539 | if (!c) | |
2c4104f0 LP |
540 | return -ENOMEM; |
541 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
542 | ||
543 | return 0; | |
544 | } | |
545 | ||
e537352b | 546 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
547 | FILE *f; |
548 | Unit *u; | |
549 | unsigned line = 0; | |
550 | int r; | |
551 | enum { | |
552 | NORMAL, | |
553 | DESCRIPTION, | |
554 | LSB, | |
555 | LSB_DESCRIPTION | |
556 | } state = NORMAL; | |
0b5d26f9 | 557 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
5f4b19f4 | 558 | struct stat st; |
23a177ef LP |
559 | |
560 | assert(s); | |
561 | assert(path); | |
2c4104f0 LP |
562 | |
563 | u = UNIT(s); | |
564 | ||
1b64d026 LP |
565 | f = fopen(path, "re"); |
566 | if (!f) { | |
2c4104f0 LP |
567 | r = errno == ENOENT ? 0 : -errno; |
568 | goto finish; | |
569 | } | |
570 | ||
5f4b19f4 LP |
571 | zero(st); |
572 | if (fstat(fileno(f), &st) < 0) { | |
573 | r = -errno; | |
574 | goto finish; | |
575 | } | |
576 | ||
1b64d026 LP |
577 | free(u->source_path); |
578 | u->source_path = strdup(path); | |
579 | if (!u->source_path) { | |
2c4104f0 LP |
580 | r = -ENOMEM; |
581 | goto finish; | |
582 | } | |
1b64d026 | 583 | u->source_mtime = timespec_load(&st.st_mtim); |
5f4b19f4 LP |
584 | |
585 | if (null_or_empty(&st)) { | |
ac155bb8 | 586 | u->load_state = UNIT_MASKED; |
5f4b19f4 LP |
587 | r = 0; |
588 | goto finish; | |
589 | } | |
590 | ||
1b64d026 LP |
591 | s->is_sysv = true; |
592 | ||
2c4104f0 LP |
593 | while (!feof(f)) { |
594 | char l[LINE_MAX], *t; | |
595 | ||
596 | if (!fgets(l, sizeof(l), f)) { | |
597 | if (feof(f)) | |
598 | break; | |
599 | ||
600 | r = -errno; | |
601 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
602 | goto finish; | |
603 | } | |
604 | ||
605 | line++; | |
606 | ||
607 | t = strstrip(l); | |
608 | if (*t != '#') | |
609 | continue; | |
610 | ||
611 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
612 | state = LSB; | |
23a177ef | 613 | s->sysv_has_lsb = true; |
2c4104f0 LP |
614 | continue; |
615 | } | |
616 | ||
617 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
618 | state = NORMAL; | |
619 | continue; | |
620 | } | |
621 | ||
622 | t++; | |
623 | t += strspn(t, WHITESPACE); | |
624 | ||
625 | if (state == NORMAL) { | |
626 | ||
627 | /* Try to parse Red Hat style chkconfig headers */ | |
628 | ||
c2b35af6 | 629 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 630 | int start_priority; |
8309400a | 631 | char runlevels[16], *k; |
2c4104f0 LP |
632 | |
633 | state = NORMAL; | |
634 | ||
8309400a LP |
635 | if (sscanf(t+10, "%15s %i %*i", |
636 | runlevels, | |
637 | &start_priority) != 2) { | |
2c4104f0 LP |
638 | |
639 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
640 | continue; | |
641 | } | |
642 | ||
fbe9f3a9 LP |
643 | /* A start priority gathered from the |
644 | * symlink farms is preferred over the | |
645 | * data from the LSB header. */ | |
8309400a | 646 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 647 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
ea87ca5a | 648 | else |
8309400a LP |
649 | s->sysv_start_priority = start_priority; |
650 | ||
651 | char_array_0(runlevels); | |
652 | k = delete_chars(runlevels, WHITESPACE "-"); | |
653 | ||
654 | if (k[0]) { | |
655 | char *d; | |
656 | ||
657 | if (!(d = strdup(k))) { | |
658 | r = -ENOMEM; | |
659 | goto finish; | |
660 | } | |
661 | ||
662 | free(s->sysv_runlevels); | |
663 | s->sysv_runlevels = d; | |
2c4104f0 LP |
664 | } |
665 | ||
0b5d26f9 | 666 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
667 | |
668 | size_t k = strlen(t); | |
669 | char *d; | |
0b5d26f9 | 670 | const char *j; |
2c4104f0 LP |
671 | |
672 | if (t[k-1] == '\\') { | |
673 | state = DESCRIPTION; | |
674 | t[k-1] = 0; | |
675 | } | |
676 | ||
0b5d26f9 LP |
677 | if ((j = strstrip(t+12)) && *j) { |
678 | if (!(d = strdup(j))) { | |
679 | r = -ENOMEM; | |
680 | goto finish; | |
681 | } | |
682 | } else | |
683 | d = NULL; | |
2c4104f0 | 684 | |
0b5d26f9 LP |
685 | free(chkconfig_description); |
686 | chkconfig_description = d; | |
2c4104f0 | 687 | |
c2b35af6 | 688 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
689 | |
690 | char *fn; | |
691 | ||
692 | state = NORMAL; | |
693 | ||
694 | fn = strstrip(t+8); | |
695 | if (!path_is_absolute(fn)) { | |
696 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
697 | continue; | |
698 | } | |
699 | ||
700 | if (!(fn = strdup(fn))) { | |
701 | r = -ENOMEM; | |
702 | goto finish; | |
703 | } | |
704 | ||
705 | free(s->pid_file); | |
706 | s->pid_file = fn; | |
707 | } | |
708 | ||
709 | } else if (state == DESCRIPTION) { | |
710 | ||
711 | /* Try to parse Red Hat style description | |
712 | * continuation */ | |
713 | ||
714 | size_t k = strlen(t); | |
0b5d26f9 | 715 | char *j; |
2c4104f0 LP |
716 | |
717 | if (t[k-1] == '\\') | |
718 | t[k-1] = 0; | |
719 | else | |
720 | state = NORMAL; | |
721 | ||
0b5d26f9 LP |
722 | if ((j = strstrip(t)) && *j) { |
723 | char *d = NULL; | |
724 | ||
725 | if (chkconfig_description) | |
b7def684 | 726 | d = strjoin(chkconfig_description, " ", j, NULL); |
0b5d26f9 LP |
727 | else |
728 | d = strdup(j); | |
2c4104f0 | 729 | |
0b5d26f9 LP |
730 | if (!d) { |
731 | r = -ENOMEM; | |
732 | goto finish; | |
733 | } | |
734 | ||
735 | free(chkconfig_description); | |
736 | chkconfig_description = d; | |
737 | } | |
2c4104f0 LP |
738 | |
739 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
740 | ||
c2b35af6 | 741 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
742 | char *i, *w; |
743 | size_t z; | |
744 | ||
745 | state = LSB; | |
746 | ||
f60f22df | 747 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
748 | char *n, *m; |
749 | ||
750 | if (!(n = strndup(w, z))) { | |
751 | r = -ENOMEM; | |
752 | goto finish; | |
753 | } | |
754 | ||
9eb977db | 755 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 LP |
756 | free(n); |
757 | ||
758 | if (r < 0) | |
759 | goto finish; | |
760 | ||
761 | if (r == 0) | |
762 | continue; | |
763 | ||
bd77d0fc LP |
764 | if (unit_name_to_type(m) == UNIT_SERVICE) |
765 | r = unit_add_name(u, m); | |
9700edb4 LP |
766 | else |
767 | /* NB: SysV targets | |
768 | * which are provided | |
769 | * by a service are | |
770 | * pulled in by the | |
771 | * services, as an | |
772 | * indication that the | |
773 | * generic service is | |
774 | * now available. This | |
775 | * is strictly | |
776 | * one-way. The | |
777 | * targets do NOT pull | |
778 | * in the SysV | |
779 | * services! */ | |
780 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true); | |
bd77d0fc | 781 | |
2c4104f0 | 782 | if (r < 0) |
43a37549 | 783 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
784 | |
785 | free(m); | |
2c4104f0 LP |
786 | } |
787 | ||
c2b35af6 LP |
788 | } else if (startswith_no_case(t, "Required-Start:") || |
789 | startswith_no_case(t, "Should-Start:") || | |
790 | startswith_no_case(t, "X-Start-Before:") || | |
791 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
792 | char *i, *w; |
793 | size_t z; | |
794 | ||
795 | state = LSB; | |
796 | ||
f60f22df | 797 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
798 | char *n, *m; |
799 | ||
800 | if (!(n = strndup(w, z))) { | |
801 | r = -ENOMEM; | |
802 | goto finish; | |
803 | } | |
804 | ||
9eb977db | 805 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 | 806 | |
e83c7c0b LP |
807 | if (r < 0) { |
808 | log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r)); | |
809 | free(n); | |
810 | continue; | |
811 | } | |
812 | ||
813 | free(n); | |
2c4104f0 LP |
814 | |
815 | if (r == 0) | |
816 | continue; | |
817 | ||
c2b35af6 | 818 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
819 | |
820 | if (r < 0) | |
43a37549 | 821 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
822 | |
823 | free(m); | |
2c4104f0 | 824 | } |
c2b35af6 | 825 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
826 | char *k, *d; |
827 | ||
828 | state = LSB; | |
829 | ||
830 | k = delete_chars(t+14, WHITESPACE "-"); | |
831 | ||
832 | if (k[0] != 0) { | |
833 | if (!(d = strdup(k))) { | |
834 | r = -ENOMEM; | |
835 | goto finish; | |
836 | } | |
837 | ||
838 | free(s->sysv_runlevels); | |
839 | s->sysv_runlevels = d; | |
840 | } | |
2c4104f0 | 841 | |
0b5d26f9 LP |
842 | } else if (startswith_no_case(t, "Description:")) { |
843 | char *d, *j; | |
ed4c1cc6 | 844 | |
2c4104f0 LP |
845 | state = LSB_DESCRIPTION; |
846 | ||
0b5d26f9 LP |
847 | if ((j = strstrip(t+12)) && *j) { |
848 | if (!(d = strdup(j))) { | |
849 | r = -ENOMEM; | |
850 | goto finish; | |
851 | } | |
852 | } else | |
853 | d = NULL; | |
2c4104f0 | 854 | |
0b5d26f9 LP |
855 | free(long_description); |
856 | long_description = d; | |
2c4104f0 | 857 | |
ed4c1cc6 | 858 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 859 | char *d, *j; |
2c4104f0 | 860 | |
2c4104f0 LP |
861 | state = LSB; |
862 | ||
0b5d26f9 LP |
863 | if ((j = strstrip(t+18)) && *j) { |
864 | if (!(d = strdup(j))) { | |
865 | r = -ENOMEM; | |
866 | goto finish; | |
867 | } | |
868 | } else | |
869 | d = NULL; | |
2c4104f0 | 870 | |
0b5d26f9 LP |
871 | free(short_description); |
872 | short_description = d; | |
2c4104f0 LP |
873 | |
874 | } else if (state == LSB_DESCRIPTION) { | |
875 | ||
876 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 877 | char *j; |
2c4104f0 | 878 | |
0b5d26f9 LP |
879 | if ((j = strstrip(t)) && *j) { |
880 | char *d = NULL; | |
881 | ||
882 | if (long_description) | |
b7def684 | 883 | d = strjoin(long_description, " ", t, NULL); |
0b5d26f9 LP |
884 | else |
885 | d = strdup(j); | |
886 | ||
887 | if (!d) { | |
888 | r = -ENOMEM; | |
889 | goto finish; | |
890 | } | |
891 | ||
892 | free(long_description); | |
893 | long_description = d; | |
2c4104f0 LP |
894 | } |
895 | ||
2c4104f0 LP |
896 | } else |
897 | state = LSB; | |
898 | } | |
899 | } | |
900 | } | |
901 | ||
2c4104f0 LP |
902 | if ((r = sysv_exec_commands(s)) < 0) |
903 | goto finish; | |
e51db373 TFH |
904 | if (s->sysv_runlevels && |
905 | chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) && | |
906 | chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { | |
907 | /* Service has both boot and "up" runlevels | |
908 | configured. Kill the "up" ones. */ | |
909 | delete_chars(s->sysv_runlevels, RUNLEVELS_UP); | |
910 | } | |
2c4104f0 | 911 | |
a40eb732 | 912 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
913 | /* If there a runlevels configured for this service |
914 | * but none of the standard ones, then we assume this | |
915 | * is some special kind of service (which might be | |
916 | * needed for early boot) and don't create any links | |
917 | * to it. */ | |
918 | ||
1124fe6f | 919 | UNIT(s)->default_dependencies = false; |
09cd1ab1 | 920 | |
09cd1ab1 LP |
921 | /* Don't timeout special services during boot (like fsck) */ |
922 | s->timeout_usec = 0; | |
f34277d9 LP |
923 | } else |
924 | s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
0fd030be | 925 | |
80876c20 | 926 | /* Special setting for all SysV services */ |
1f48cf56 | 927 | s->type = SERVICE_FORKING; |
f8788303 | 928 | s->remain_after_exit = !s->pid_file; |
1835f23c | 929 | s->guess_main_pid = false; |
525ee6f4 | 930 | s->restart = SERVICE_RESTART_NO; |
353e12c2 | 931 | s->exec_context.ignore_sigpipe = false; |
4819ff03 | 932 | s->kill_context.kill_mode = KILL_PROCESS; |
80876c20 | 933 | |
0b5d26f9 LP |
934 | /* We use the long description only if |
935 | * no short description is set. */ | |
936 | ||
937 | if (short_description) | |
938 | description = short_description; | |
939 | else if (chkconfig_description) | |
940 | description = chkconfig_description; | |
941 | else if (long_description) | |
942 | description = long_description; | |
943 | else | |
944 | description = NULL; | |
945 | ||
946 | if (description) { | |
947 | char *d; | |
948 | ||
e527618d | 949 | if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) { |
0b5d26f9 LP |
950 | r = -ENOMEM; |
951 | goto finish; | |
952 | } | |
953 | ||
ac155bb8 | 954 | u->description = d; |
0b5d26f9 LP |
955 | } |
956 | ||
ea87ca5a LP |
957 | /* The priority that has been set in /etc/rcN.d/ hierarchies |
958 | * takes precedence over what is stored as default in the LSB | |
959 | * header */ | |
960 | if (s->sysv_start_priority_from_rcnd >= 0) | |
961 | s->sysv_start_priority = s->sysv_start_priority_from_rcnd; | |
962 | ||
ac155bb8 | 963 | u->load_state = UNIT_LOADED; |
23a177ef | 964 | r = 0; |
2c4104f0 LP |
965 | |
966 | finish: | |
967 | ||
968 | if (f) | |
969 | fclose(f); | |
970 | ||
0b5d26f9 LP |
971 | free(short_description); |
972 | free(long_description); | |
973 | free(chkconfig_description); | |
974 | ||
2c4104f0 LP |
975 | return r; |
976 | } | |
977 | ||
e537352b | 978 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
979 | char **p; |
980 | ||
981 | assert(s); | |
982 | assert(name); | |
983 | ||
e1992852 | 984 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca | 985 | * prefixes/suffixes. */ |
1bd8b818 | 986 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 | 987 | if (endswith(name, ".sh.service")) |
d017c6ca | 988 | return -ENOENT; |
5b819198 MB |
989 | #endif |
990 | ||
991 | #ifdef TARGET_SUSE | |
992 | if (startswith(name, "boot.")) | |
993 | return -ENOENT; | |
994 | #endif | |
995 | ||
996 | #ifdef TARGET_FRUGALWARE | |
997 | if (startswith(name, "rc.")) | |
998 | return -ENOENT; | |
999 | #endif | |
d017c6ca | 1000 | |
1124fe6f | 1001 | STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
1002 | char *path; |
1003 | int r; | |
1004 | ||
b7def684 | 1005 | path = strjoin(*p, "/", name, NULL); |
44d91056 | 1006 | if (!path) |
2c4104f0 LP |
1007 | return -ENOMEM; |
1008 | ||
1009 | assert(endswith(path, ".service")); | |
1010 | path[strlen(path)-8] = 0; | |
1011 | ||
e537352b | 1012 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 1013 | |
1bd8b818 | 1014 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
1124fe6f | 1015 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1016 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
1017 | strcat(path, ".sh"); |
1018 | r = service_load_sysv_path(s, path); | |
1019 | } | |
e1992852 | 1020 | #endif |
2c4104f0 LP |
1021 | free(path); |
1022 | ||
e1992852 | 1023 | #ifdef TARGET_SUSE |
1124fe6f | 1024 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1025 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 | 1026 | |
b7def684 | 1027 | path = strjoin(*p, "/boot.", name, NULL); |
44d91056 | 1028 | if (!path) |
fbe9f3a9 LP |
1029 | return -ENOMEM; |
1030 | ||
e1992852 | 1031 | /* Drop .service suffix */ |
fbe9f3a9 LP |
1032 | path[strlen(path)-8] = 0; |
1033 | r = service_load_sysv_path(s, path); | |
1034 | free(path); | |
1035 | } | |
e1992852 | 1036 | #endif |
fbe9f3a9 | 1037 | |
e1992852 | 1038 | #ifdef TARGET_FRUGALWARE |
1124fe6f | 1039 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1040 | /* Try Frugalware style rc.* init scripts */ |
65530632 | 1041 | |
b7def684 | 1042 | path = strjoin(*p, "/rc.", name, NULL); |
44d91056 | 1043 | if (!path) |
65530632 MV |
1044 | return -ENOMEM; |
1045 | ||
e1992852 | 1046 | /* Drop .service suffix */ |
65530632 MV |
1047 | path[strlen(path)-8] = 0; |
1048 | r = service_load_sysv_path(s, path); | |
1049 | free(path); | |
1050 | } | |
e1992852 | 1051 | #endif |
65530632 | 1052 | |
23a177ef | 1053 | if (r < 0) |
2c4104f0 | 1054 | return r; |
23a177ef | 1055 | |
1124fe6f | 1056 | if ((UNIT(s)->load_state != UNIT_STUB)) |
23a177ef | 1057 | break; |
2c4104f0 LP |
1058 | } |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
e537352b | 1063 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
1064 | const char *t; |
1065 | Iterator i; | |
1066 | int r; | |
1067 | ||
5cb5a6ff LP |
1068 | assert(s); |
1069 | ||
1070 | /* Load service data from SysV init scripts, preferably with | |
1071 | * LSB headers ... */ | |
1072 | ||
1124fe6f | 1073 | if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
1074 | return 0; |
1075 | ||
1124fe6f | 1076 | if ((t = UNIT(s)->id)) |
e537352b | 1077 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
1078 | return r; |
1079 | ||
1124fe6f MS |
1080 | if (UNIT(s)->load_state == UNIT_STUB) |
1081 | SET_FOREACH(t, UNIT(s)->names, i) { | |
1082 | if (t == UNIT(s)->id) | |
e537352b LP |
1083 | continue; |
1084 | ||
e364ad06 | 1085 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
1086 | return r; |
1087 | ||
1124fe6f | 1088 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef LP |
1089 | break; |
1090 | } | |
2c4104f0 LP |
1091 | |
1092 | return 0; | |
5cb5a6ff | 1093 | } |
07459bb6 | 1094 | #endif |
5cb5a6ff | 1095 | |
9fff8a1f | 1096 | static int fsck_fix_order(Service *s) { |
ac155bb8 | 1097 | Unit *other; |
9fff8a1f LP |
1098 | int r; |
1099 | ||
1100 | assert(s); | |
1101 | ||
1102 | if (s->fsck_passno <= 0) | |
1103 | return 0; | |
1104 | ||
1105 | /* For each pair of services where both have an fsck priority | |
1106 | * we order things based on it. */ | |
1107 | ||
1124fe6f | 1108 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
9fff8a1f LP |
1109 | Service *t; |
1110 | UnitDependency d; | |
1111 | ||
595ed347 | 1112 | t = SERVICE(other); |
9fff8a1f LP |
1113 | |
1114 | if (s == t) | |
1115 | continue; | |
1116 | ||
1124fe6f | 1117 | if (UNIT(t)->load_state != UNIT_LOADED) |
9fff8a1f LP |
1118 | continue; |
1119 | ||
1120 | if (t->fsck_passno <= 0) | |
1121 | continue; | |
1122 | ||
1123 | if (t->fsck_passno < s->fsck_passno) | |
1124 | d = UNIT_AFTER; | |
1125 | else if (t->fsck_passno > s->fsck_passno) | |
1126 | d = UNIT_BEFORE; | |
1127 | else | |
1128 | continue; | |
1129 | ||
da19d5c1 | 1130 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
9fff8a1f LP |
1131 | return r; |
1132 | } | |
1133 | ||
1134 | return 0; | |
1135 | } | |
1136 | ||
243b1432 LP |
1137 | static int service_verify(Service *s) { |
1138 | assert(s); | |
1139 | ||
1124fe6f | 1140 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
1141 | return 0; |
1142 | ||
1143 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
1124fe6f | 1144 | log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id); |
243b1432 LP |
1145 | return -EINVAL; |
1146 | } | |
1147 | ||
34e9ba66 LP |
1148 | if (s->type != SERVICE_ONESHOT && |
1149 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1124fe6f | 1150 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
6cf6bbc2 LP |
1151 | return -EINVAL; |
1152 | } | |
1153 | ||
c06b7a15 LP |
1154 | if (s->type == SERVICE_ONESHOT && |
1155 | s->exec_command[SERVICE_EXEC_RELOAD]) { | |
1124fe6f | 1156 | log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
c06b7a15 LP |
1157 | return -EINVAL; |
1158 | } | |
1159 | ||
05e343b7 | 1160 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
1124fe6f | 1161 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id); |
4d0e5dbd LP |
1162 | return -EINVAL; |
1163 | } | |
1164 | ||
7e2668c6 LP |
1165 | if (s->bus_name && s->type != SERVICE_DBUS) |
1166 | log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id); | |
1167 | ||
4819ff03 | 1168 | if (s->exec_context.pam_name && s->kill_context.kill_mode != KILL_CONTROL_GROUP) { |
1124fe6f | 1169 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id); |
05e343b7 LP |
1170 | return -EINVAL; |
1171 | } | |
1172 | ||
243b1432 LP |
1173 | return 0; |
1174 | } | |
1175 | ||
a40eb732 LP |
1176 | static int service_add_default_dependencies(Service *s) { |
1177 | int r; | |
1178 | ||
1179 | assert(s); | |
1180 | ||
1181 | /* Add a number of automatic dependencies useful for the | |
1182 | * majority of services. */ | |
1183 | ||
1184 | /* First, pull in base system */ | |
1124fe6f | 1185 | if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) { |
a40eb732 LP |
1186 | |
1187 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1188 | return r; | |
1189 | ||
1124fe6f | 1190 | } else if (UNIT(s)->manager->running_as == MANAGER_USER) { |
a40eb732 LP |
1191 | |
1192 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1193 | return r; | |
1194 | } | |
1195 | ||
1196 | /* Second, activate normal shutdown */ | |
ead8e478 | 1197 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1198 | } |
1199 | ||
4dfc092a LP |
1200 | static void service_fix_output(Service *s) { |
1201 | assert(s); | |
1202 | ||
1203 | /* If nothing has been explicitly configured, patch default | |
1204 | * output in. If input is socket/tty we avoid this however, | |
1205 | * since in that case we want output to default to the same | |
1206 | * place as we read input from. */ | |
1207 | ||
1208 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
1209 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1210 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1211 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
1212 | |
1213 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1214 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1215 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
1216 | } |
1217 | ||
e537352b LP |
1218 | static int service_load(Unit *u) { |
1219 | int r; | |
1220 | Service *s = SERVICE(u); | |
1221 | ||
1222 | assert(s); | |
1e2e8133 | 1223 | |
5cb5a6ff | 1224 | /* Load a .service file */ |
e537352b | 1225 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1226 | return r; |
1227 | ||
07459bb6 | 1228 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1229 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
ac155bb8 | 1230 | if (u->load_state == UNIT_STUB) |
e537352b | 1231 | if ((r = service_load_sysv(s)) < 0) |
23a177ef | 1232 | return r; |
07459bb6 | 1233 | #endif |
d46de8a1 | 1234 | |
23a177ef | 1235 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 1236 | if (u->load_state == UNIT_STUB) |
23a177ef | 1237 | return -ENOENT; |
034c6ed7 | 1238 | |
23a177ef LP |
1239 | /* We were able to load something, then let's add in the |
1240 | * dropin directories. */ | |
1241 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1242 | return r; |
23a177ef LP |
1243 | |
1244 | /* This is a new unit? Then let's add in some extras */ | |
ac155bb8 | 1245 | if (u->load_state == UNIT_LOADED) { |
0b86feac LP |
1246 | if (s->type == _SERVICE_TYPE_INVALID) |
1247 | s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; | |
1248 | ||
98709151 LN |
1249 | /* Oneshot services have disabled timeout by default */ |
1250 | if (s->type == SERVICE_ONESHOT && !s->timeout_defined) | |
1251 | s->timeout_usec = 0; | |
1252 | ||
4e2b0f9b LP |
1253 | service_fix_output(s); |
1254 | ||
23a177ef LP |
1255 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1256 | return r; | |
1257 | ||
d686d8a9 | 1258 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1259 | return r; |
1260 | ||
07459bb6 | 1261 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1262 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1263 | return r; |
07459bb6 | 1264 | #endif |
05e343b7 | 1265 | |
9fff8a1f LP |
1266 | if ((r = fsck_fix_order(s)) < 0) |
1267 | return r; | |
1268 | ||
ee0dd802 | 1269 | if (s->bus_name) |
05e343b7 | 1270 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1271 | return r; |
c952c6ec LP |
1272 | |
1273 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1274 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 | 1275 | |
02c4ef9c LP |
1276 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) |
1277 | s->notify_access = NOTIFY_MAIN; | |
1278 | ||
a40eb732 | 1279 | if (s->type == SERVICE_DBUS || s->bus_name) |
177b3ffe | 1280 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0) |
a40eb732 LP |
1281 | return r; |
1282 | ||
1124fe6f | 1283 | if (UNIT(s)->default_dependencies) |
a40eb732 LP |
1284 | if ((r = service_add_default_dependencies(s)) < 0) |
1285 | return r; | |
e06c73cc LP |
1286 | |
1287 | r = unit_patch_working_directory(UNIT(s), &s->exec_context); | |
1288 | if (r < 0) | |
1289 | return r; | |
8e274523 LP |
1290 | } |
1291 | ||
243b1432 | 1292 | return service_verify(s); |
034c6ed7 LP |
1293 | } |
1294 | ||
87f0e418 | 1295 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1296 | |
5cb5a6ff | 1297 | ServiceExecCommand c; |
87f0e418 | 1298 | Service *s = SERVICE(u); |
47be870b LP |
1299 | const char *prefix2; |
1300 | char *p2; | |
5cb5a6ff LP |
1301 | |
1302 | assert(s); | |
1303 | ||
47be870b LP |
1304 | p2 = strappend(prefix, "\t"); |
1305 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1306 | |
5cb5a6ff | 1307 | fprintf(f, |
81a2b7ce | 1308 | "%sService State: %s\n" |
f42806df LP |
1309 | "%sResult: %s\n" |
1310 | "%sReload Result: %s\n" | |
81a2b7ce | 1311 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 1312 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1313 | "%sRemainAfterExit: %s\n" |
3185a36b | 1314 | "%sGuessMainPID: %s\n" |
c952c6ec | 1315 | "%sType: %s\n" |
2cf3143a | 1316 | "%sRestart: %s\n" |
c952c6ec | 1317 | "%sNotifyAccess: %s\n", |
81a2b7ce | 1318 | prefix, service_state_to_string(s->state), |
f42806df LP |
1319 | prefix, service_result_to_string(s->result), |
1320 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 1321 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 1322 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1323 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 1324 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 1325 | prefix, service_type_to_string(s->type), |
2cf3143a | 1326 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1327 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1328 | |
70123e68 LP |
1329 | if (s->control_pid > 0) |
1330 | fprintf(f, | |
bb00e604 LP |
1331 | "%sControl PID: %lu\n", |
1332 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1333 | |
1334 | if (s->main_pid > 0) | |
1335 | fprintf(f, | |
6dfa5494 LP |
1336 | "%sMain PID: %lu\n" |
1337 | "%sMain PID Known: %s\n" | |
1338 | "%sMain PID Alien: %s\n", | |
1339 | prefix, (unsigned long) s->main_pid, | |
1340 | prefix, yes_no(s->main_pid_known), | |
1341 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 1342 | |
034c6ed7 LP |
1343 | if (s->pid_file) |
1344 | fprintf(f, | |
1345 | "%sPIDFile: %s\n", | |
1346 | prefix, s->pid_file); | |
1347 | ||
05e343b7 LP |
1348 | if (s->bus_name) |
1349 | fprintf(f, | |
1350 | "%sBusName: %s\n" | |
1351 | "%sBus Name Good: %s\n", | |
1352 | prefix, s->bus_name, | |
1353 | prefix, yes_no(s->bus_name_good)); | |
1354 | ||
4819ff03 | 1355 | kill_context_dump(&s->kill_context, f, prefix); |
5cb5a6ff LP |
1356 | exec_context_dump(&s->exec_context, f, prefix); |
1357 | ||
e537352b | 1358 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1359 | |
44d8db9e LP |
1360 | if (!s->exec_command[c]) |
1361 | continue; | |
1362 | ||
40d50879 | 1363 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1364 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1365 | |
1366 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1367 | } |
44d8db9e | 1368 | |
07459bb6 | 1369 | #ifdef HAVE_SYSV_COMPAT |
1b64d026 | 1370 | if (s->is_sysv) |
2c4104f0 | 1371 | fprintf(f, |
9fff8a1f LP |
1372 | "%sSysV Init Script has LSB Header: %s\n" |
1373 | "%sSysVEnabled: %s\n", | |
9fff8a1f LP |
1374 | prefix, yes_no(s->sysv_has_lsb), |
1375 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1376 | |
1377 | if (s->sysv_start_priority >= 0) | |
1378 | fprintf(f, | |
9fff8a1f LP |
1379 | "%sSysVStartPriority: %i\n", |
1380 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1381 | |
8309400a LP |
1382 | if (s->sysv_runlevels) |
1383 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1384 | prefix, s->sysv_runlevels); | |
07459bb6 | 1385 | #endif |
23a177ef | 1386 | |
9fff8a1f LP |
1387 | if (s->fsck_passno > 0) |
1388 | fprintf(f, | |
1389 | "%sFsckPassNo: %i\n", | |
1390 | prefix, s->fsck_passno); | |
1391 | ||
8c47c732 LP |
1392 | if (s->status_text) |
1393 | fprintf(f, "%sStatus Text: %s\n", | |
1394 | prefix, s->status_text); | |
1395 | ||
47be870b | 1396 | free(p2); |
5cb5a6ff LP |
1397 | } |
1398 | ||
c5419d42 | 1399 | static int service_load_pid_file(Service *s, bool may_warn) { |
034c6ed7 | 1400 | char *k; |
034c6ed7 | 1401 | int r; |
5925dd3c | 1402 | pid_t pid; |
034c6ed7 LP |
1403 | |
1404 | assert(s); | |
1405 | ||
034c6ed7 | 1406 | if (!s->pid_file) |
13230d5d | 1407 | return -ENOENT; |
034c6ed7 | 1408 | |
5375410b | 1409 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) { |
c5419d42 | 1410 | if (may_warn) |
3a111838 MS |
1411 | log_info("PID file %s not readable (yet?) after %s.", |
1412 | s->pid_file, service_state_to_string(s->state)); | |
034c6ed7 | 1413 | return r; |
5375410b | 1414 | } |
034c6ed7 | 1415 | |
5925dd3c LP |
1416 | r = parse_pid(k, &pid); |
1417 | free(k); | |
034c6ed7 | 1418 | |
5925dd3c LP |
1419 | if (r < 0) |
1420 | return r; | |
406eaf93 | 1421 | |
5925dd3c | 1422 | if (kill(pid, 0) < 0 && errno != EPERM) { |
c5419d42 | 1423 | if (may_warn) |
3a111838 MS |
1424 | log_info("PID %lu read from file %s does not exist.", |
1425 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1426 | return -ESRCH; |
1427 | } | |
1428 | ||
db01f8b3 MS |
1429 | if (s->main_pid_known) { |
1430 | if (pid == s->main_pid) | |
1431 | return 0; | |
1432 | ||
1433 | log_debug("Main PID changing: %lu -> %lu", | |
1434 | (unsigned long) s->main_pid, (unsigned long) pid); | |
1435 | service_unwatch_main_pid(s); | |
1436 | s->main_pid_known = false; | |
3a111838 MS |
1437 | } else |
1438 | log_debug("Main PID loaded: %lu", (unsigned long) pid); | |
db01f8b3 | 1439 | |
5925dd3c | 1440 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1441 | return r; |
1442 | ||
5925dd3c LP |
1443 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1444 | /* FIXME: we need to do something here */ | |
1445 | return r; | |
034c6ed7 LP |
1446 | |
1447 | return 0; | |
1448 | } | |
1449 | ||
4fbf50b3 LP |
1450 | static int service_search_main_pid(Service *s) { |
1451 | pid_t pid; | |
1452 | int r; | |
1453 | ||
1454 | assert(s); | |
1455 | ||
3185a36b LP |
1456 | /* If we know it anyway, don't ever fallback to unreliable |
1457 | * heuristics */ | |
4fbf50b3 LP |
1458 | if (s->main_pid_known) |
1459 | return 0; | |
1460 | ||
3185a36b LP |
1461 | if (!s->guess_main_pid) |
1462 | return 0; | |
1463 | ||
4fbf50b3 LP |
1464 | assert(s->main_pid <= 0); |
1465 | ||
1124fe6f | 1466 | if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0) |
4fbf50b3 LP |
1467 | return -ENOENT; |
1468 | ||
3a111838 | 1469 | log_debug("Main PID guessed: %lu", (unsigned long) pid); |
4fbf50b3 LP |
1470 | if ((r = service_set_main_pid(s, pid)) < 0) |
1471 | return r; | |
1472 | ||
1473 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1474 | /* FIXME: we need to do something here */ | |
1475 | return r; | |
1476 | ||
1477 | return 0; | |
1478 | } | |
1479 | ||
6bda96a0 | 1480 | static void service_notify_sockets_dead(Service *s, bool failed_permanent) { |
ceee3d82 | 1481 | Iterator i; |
57020a3a | 1482 | Unit *u; |
3e33402a LP |
1483 | |
1484 | assert(s); | |
1485 | ||
f976f3f6 LP |
1486 | /* Notifies all our sockets when we die */ |
1487 | ||
6cf6bbc2 | 1488 | if (s->socket_fd >= 0) |
57020a3a | 1489 | return; |
3e33402a | 1490 | |
1124fe6f | 1491 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) |
ac155bb8 | 1492 | if (u->type == UNIT_SOCKET) |
6bda96a0 | 1493 | socket_notify_service_dead(SOCKET(u), failed_permanent); |
3e33402a | 1494 | |
57020a3a | 1495 | return; |
ceee3d82 LP |
1496 | } |
1497 | ||
034c6ed7 LP |
1498 | static void service_set_state(Service *s, ServiceState state) { |
1499 | ServiceState old_state; | |
e056b01d | 1500 | const UnitActiveState *table; |
5cb5a6ff LP |
1501 | assert(s); |
1502 | ||
e056b01d LP |
1503 | table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
1504 | ||
034c6ed7 | 1505 | old_state = s->state; |
5cb5a6ff | 1506 | s->state = state; |
034c6ed7 | 1507 | |
3a111838 MS |
1508 | service_unwatch_pid_file(s); |
1509 | ||
034c6ed7 LP |
1510 | if (state != SERVICE_START_PRE && |
1511 | state != SERVICE_START && | |
1512 | state != SERVICE_START_POST && | |
1513 | state != SERVICE_RELOAD && | |
1514 | state != SERVICE_STOP && | |
1515 | state != SERVICE_STOP_SIGTERM && | |
1516 | state != SERVICE_STOP_SIGKILL && | |
1517 | state != SERVICE_STOP_POST && | |
1518 | state != SERVICE_FINAL_SIGTERM && | |
1519 | state != SERVICE_FINAL_SIGKILL && | |
1520 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1521 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1522 | |
7d55e835 LP |
1523 | if (state != SERVICE_START && |
1524 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1525 | state != SERVICE_RUNNING && |
1526 | state != SERVICE_RELOAD && | |
1527 | state != SERVICE_STOP && | |
1528 | state != SERVICE_STOP_SIGTERM && | |
867b3b7d | 1529 | state != SERVICE_STOP_SIGKILL) { |
5e94833f | 1530 | service_unwatch_main_pid(s); |
867b3b7d LP |
1531 | s->main_command = NULL; |
1532 | } | |
034c6ed7 LP |
1533 | |
1534 | if (state != SERVICE_START_PRE && | |
1535 | state != SERVICE_START && | |
1536 | state != SERVICE_START_POST && | |
1537 | state != SERVICE_RELOAD && | |
1538 | state != SERVICE_STOP && | |
1539 | state != SERVICE_STOP_SIGTERM && | |
1540 | state != SERVICE_STOP_SIGKILL && | |
1541 | state != SERVICE_STOP_POST && | |
1542 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1543 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1544 | service_unwatch_control_pid(s); |
034c6ed7 | 1545 | s->control_command = NULL; |
a16e1123 | 1546 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1547 | } |
034c6ed7 | 1548 | |
ceee3d82 LP |
1549 | if (state == SERVICE_DEAD || |
1550 | state == SERVICE_STOP || | |
1551 | state == SERVICE_STOP_SIGTERM || | |
1552 | state == SERVICE_STOP_SIGKILL || | |
1553 | state == SERVICE_STOP_POST || | |
1554 | state == SERVICE_FINAL_SIGTERM || | |
1555 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1556 | state == SERVICE_FAILED || |
ceee3d82 | 1557 | state == SERVICE_AUTO_RESTART) |
c2f34808 | 1558 | service_notify_sockets_dead(s, false); |
ceee3d82 | 1559 | |
4f2d528d LP |
1560 | if (state != SERVICE_START_PRE && |
1561 | state != SERVICE_START && | |
6cf6bbc2 LP |
1562 | state != SERVICE_START_POST && |
1563 | state != SERVICE_RUNNING && | |
1564 | state != SERVICE_RELOAD && | |
1565 | state != SERVICE_STOP && | |
1566 | state != SERVICE_STOP_SIGTERM && | |
1567 | state != SERVICE_STOP_SIGKILL && | |
1568 | state != SERVICE_STOP_POST && | |
1569 | state != SERVICE_FINAL_SIGTERM && | |
1570 | state != SERVICE_FINAL_SIGKILL && | |
1124fe6f | 1571 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 1572 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1573 | service_connection_unref(s); |
1574 | } | |
4f2d528d | 1575 | |
a6927d7f MO |
1576 | if (state == SERVICE_STOP) |
1577 | service_stop_watchdog(s); | |
1578 | ||
f6023656 LP |
1579 | /* For the inactive states unit_notify() will trim the cgroup, |
1580 | * but for exit we have to do that ourselves... */ | |
1124fe6f MS |
1581 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
1582 | cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true); | |
f6023656 | 1583 | |
e537352b | 1584 | if (old_state != state) |
1124fe6f | 1585 | log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 1586 | |
e056b01d | 1587 | unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); |
f42806df | 1588 | s->reload_result = SERVICE_SUCCESS; |
034c6ed7 LP |
1589 | } |
1590 | ||
a16e1123 LP |
1591 | static int service_coldplug(Unit *u) { |
1592 | Service *s = SERVICE(u); | |
1593 | int r; | |
1594 | ||
1595 | assert(s); | |
1596 | assert(s->state == SERVICE_DEAD); | |
1597 | ||
1598 | if (s->deserialized_state != s->state) { | |
1599 | ||
1600 | if (s->deserialized_state == SERVICE_START_PRE || | |
1601 | s->deserialized_state == SERVICE_START || | |
1602 | s->deserialized_state == SERVICE_START_POST || | |
1603 | s->deserialized_state == SERVICE_RELOAD || | |
1604 | s->deserialized_state == SERVICE_STOP || | |
1605 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1606 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1607 | s->deserialized_state == SERVICE_STOP_POST || | |
1608 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1609 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1610 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1611 | ||
1612 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1613 | usec_t k; | |
1614 | ||
1615 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1616 | ||
1617 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1618 | return r; | |
1619 | } | |
1620 | } | |
a16e1123 LP |
1621 | |
1622 | if ((s->deserialized_state == SERVICE_START && | |
1623 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1624 | s->type == SERVICE_DBUS || |
34e9ba66 | 1625 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1626 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1627 | s->deserialized_state == SERVICE_START_POST || |
1628 | s->deserialized_state == SERVICE_RUNNING || | |
1629 | s->deserialized_state == SERVICE_RELOAD || | |
1630 | s->deserialized_state == SERVICE_STOP || | |
1631 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1632 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1633 | if (s->main_pid > 0) | |
1634 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1635 | return r; | |
1636 | ||
1637 | if (s->deserialized_state == SERVICE_START_PRE || | |
1638 | s->deserialized_state == SERVICE_START || | |
1639 | s->deserialized_state == SERVICE_START_POST || | |
1640 | s->deserialized_state == SERVICE_RELOAD || | |
1641 | s->deserialized_state == SERVICE_STOP || | |
1642 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1643 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1644 | s->deserialized_state == SERVICE_STOP_POST || | |
1645 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1646 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1647 | if (s->control_pid > 0) | |
1648 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1649 | return r; | |
1650 | ||
bb242b7b MO |
1651 | if (s->deserialized_state == SERVICE_START_POST || |
1652 | s->deserialized_state == SERVICE_RUNNING) | |
1653 | service_handle_watchdog(s); | |
1654 | ||
a16e1123 LP |
1655 | service_set_state(s, s->deserialized_state); |
1656 | } | |
a16e1123 LP |
1657 | return 0; |
1658 | } | |
1659 | ||
44d8db9e LP |
1660 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1661 | Iterator i; | |
1662 | int r; | |
1663 | int *rfds = NULL; | |
1664 | unsigned rn_fds = 0; | |
57020a3a | 1665 | Unit *u; |
44d8db9e LP |
1666 | |
1667 | assert(s); | |
1668 | assert(fds); | |
1669 | assert(n_fds); | |
1670 | ||
6cf6bbc2 LP |
1671 | if (s->socket_fd >= 0) |
1672 | return 0; | |
1673 | ||
1124fe6f | 1674 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
44d8db9e LP |
1675 | int *cfds; |
1676 | unsigned cn_fds; | |
57020a3a LP |
1677 | Socket *sock; |
1678 | ||
ac155bb8 | 1679 | if (u->type != UNIT_SOCKET) |
57020a3a LP |
1680 | continue; |
1681 | ||
1682 | sock = SOCKET(u); | |
44d8db9e | 1683 | |
47be870b | 1684 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1685 | goto fail; |
1686 | ||
1687 | if (!cfds) | |
1688 | continue; | |
1689 | ||
1690 | if (!rfds) { | |
1691 | rfds = cfds; | |
1692 | rn_fds = cn_fds; | |
1693 | } else { | |
1694 | int *t; | |
1695 | ||
1696 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1697 | free(cfds); | |
1698 | r = -ENOMEM; | |
1699 | goto fail; | |
1700 | } | |
1701 | ||
9c1b183c LP |
1702 | memcpy(t, rfds, rn_fds * sizeof(int)); |
1703 | memcpy(t+rn_fds, cfds, cn_fds * sizeof(int)); | |
44d8db9e LP |
1704 | free(rfds); |
1705 | free(cfds); | |
1706 | ||
1707 | rfds = t; | |
1708 | rn_fds = rn_fds+cn_fds; | |
1709 | } | |
1710 | } | |
1711 | ||
1712 | *fds = rfds; | |
1713 | *n_fds = rn_fds; | |
3e33402a | 1714 | |
44d8db9e LP |
1715 | return 0; |
1716 | ||
1717 | fail: | |
1718 | free(rfds); | |
3e33402a | 1719 | |
44d8db9e LP |
1720 | return r; |
1721 | } | |
1722 | ||
81a2b7ce LP |
1723 | static int service_spawn( |
1724 | Service *s, | |
1725 | ExecCommand *c, | |
1726 | bool timeout, | |
1727 | bool pass_fds, | |
1728 | bool apply_permissions, | |
1729 | bool apply_chroot, | |
1e3ad081 | 1730 | bool apply_tty_stdin, |
c952c6ec | 1731 | bool set_notify_socket, |
ecedd90f | 1732 | bool is_control, |
81a2b7ce LP |
1733 | pid_t *_pid) { |
1734 | ||
034c6ed7 LP |
1735 | pid_t pid; |
1736 | int r; | |
6cf6bbc2 | 1737 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1738 | unsigned n_fds = 0, n_env = 0; |
1739 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1740 | |
1741 | assert(s); | |
1742 | assert(c); | |
1743 | assert(_pid); | |
1744 | ||
6cf6bbc2 LP |
1745 | if (pass_fds || |
1746 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1747 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1748 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1749 | ||
4f2d528d LP |
1750 | if (s->socket_fd >= 0) { |
1751 | fds = &s->socket_fd; | |
1752 | n_fds = 1; | |
6cf6bbc2 LP |
1753 | } else { |
1754 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1755 | goto fail; | |
1756 | ||
1757 | fds = fdsbuf; | |
1758 | } | |
4f2d528d | 1759 | } |
44d8db9e | 1760 | |
e558336f | 1761 | if (timeout && s->timeout_usec) { |
acbb0225 | 1762 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1763 | goto fail; |
1764 | } else | |
acbb0225 | 1765 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1766 | |
9e2f7c11 LP |
1767 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1768 | r = -ENOMEM; | |
1769 | goto fail; | |
1770 | } | |
1771 | ||
9865f3b4 | 1772 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1773 | r = -ENOMEM; |
1774 | goto fail; | |
1775 | } | |
c952c6ec | 1776 | |
2105e76a | 1777 | if (set_notify_socket) |
1124fe6f | 1778 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1779 | r = -ENOMEM; |
1780 | goto fail; | |
1781 | } | |
1782 | ||
2105e76a LP |
1783 | if (s->main_pid > 0) |
1784 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1785 | r = -ENOMEM; |
1786 | goto fail; | |
1787 | } | |
2105e76a | 1788 | |
6e0bcc98 MO |
1789 | if (s->watchdog_usec > 0) |
1790 | if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) { | |
1791 | r = -ENOMEM; | |
1792 | goto fail; | |
1793 | } | |
1794 | ||
2105e76a | 1795 | if (!(final_env = strv_env_merge(2, |
1124fe6f | 1796 | UNIT(s)->manager->environment, |
2105e76a LP |
1797 | our_env, |
1798 | NULL))) { | |
1799 | r = -ENOMEM; | |
1800 | goto fail; | |
1801 | } | |
c952c6ec | 1802 | |
9e2f7c11 LP |
1803 | r = exec_spawn(c, |
1804 | argv, | |
1805 | &s->exec_context, | |
1806 | fds, n_fds, | |
2105e76a | 1807 | final_env, |
9e2f7c11 LP |
1808 | apply_permissions, |
1809 | apply_chroot, | |
1e3ad081 | 1810 | apply_tty_stdin, |
1124fe6f MS |
1811 | UNIT(s)->manager->confirm_spawn, |
1812 | UNIT(s)->cgroup_bondings, | |
1813 | UNIT(s)->cgroup_attributes, | |
ecedd90f | 1814 | is_control ? "control" : NULL, |
62bca2c6 | 1815 | UNIT(s)->id, |
f2b68789 | 1816 | s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, |
9e2f7c11 LP |
1817 | &pid); |
1818 | ||
9e2f7c11 | 1819 | if (r < 0) |
034c6ed7 LP |
1820 | goto fail; |
1821 | ||
4f2d528d | 1822 | |
87f0e418 | 1823 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1824 | /* FIXME: we need to do something here */ |
1825 | goto fail; | |
1826 | ||
2105e76a LP |
1827 | free(fdsbuf); |
1828 | strv_free(argv); | |
1829 | strv_free(our_env); | |
1830 | strv_free(final_env); | |
1831 | ||
034c6ed7 LP |
1832 | *_pid = pid; |
1833 | ||
5cb5a6ff | 1834 | return 0; |
034c6ed7 LP |
1835 | |
1836 | fail: | |
2105e76a | 1837 | free(fdsbuf); |
c952c6ec | 1838 | strv_free(argv); |
2105e76a LP |
1839 | strv_free(our_env); |
1840 | strv_free(final_env); | |
c952c6ec | 1841 | |
034c6ed7 | 1842 | if (timeout) |
acbb0225 | 1843 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1844 | |
1845 | return r; | |
1846 | } | |
1847 | ||
80876c20 LP |
1848 | static int main_pid_good(Service *s) { |
1849 | assert(s); | |
1850 | ||
1851 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1852 | * don't know */ | |
1853 | ||
1854 | /* If we know the pid file, then lets just check if it is | |
1855 | * still valid */ | |
6dfa5494 LP |
1856 | if (s->main_pid_known) { |
1857 | ||
1858 | /* If it's an alien child let's check if it is still | |
1859 | * alive ... */ | |
1860 | if (s->main_pid_alien) | |
1861 | return kill(s->main_pid, 0) >= 0 || errno != ESRCH; | |
1862 | ||
1863 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1864 | * which we really should wait for to collect exit | |
1865 | * status and code */ | |
80876c20 | 1866 | return s->main_pid > 0; |
6dfa5494 | 1867 | } |
80876c20 LP |
1868 | |
1869 | /* We don't know the pid */ | |
1870 | return -EAGAIN; | |
1871 | } | |
1872 | ||
1873 | static int control_pid_good(Service *s) { | |
1874 | assert(s); | |
1875 | ||
1876 | return s->control_pid > 0; | |
1877 | } | |
1878 | ||
1879 | static int cgroup_good(Service *s) { | |
1880 | int r; | |
1881 | ||
1882 | assert(s); | |
1883 | ||
1124fe6f | 1884 | if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0) |
80876c20 LP |
1885 | return r; |
1886 | ||
1887 | return !r; | |
1888 | } | |
1889 | ||
f42806df | 1890 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1891 | int r; |
1892 | assert(s); | |
1893 | ||
f42806df LP |
1894 | if (f != SERVICE_SUCCESS) |
1895 | s->result = f; | |
034c6ed7 | 1896 | |
0c7f15b3 MS |
1897 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
1898 | ||
034c6ed7 | 1899 | if (allow_restart && |
47342320 | 1900 | !s->forbid_restart && |
034c6ed7 | 1901 | (s->restart == SERVICE_RESTART_ALWAYS || |
f42806df LP |
1902 | (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || |
1903 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || | |
1904 | (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || | |
1905 | s->result == SERVICE_FAILURE_CORE_DUMP)))) { | |
034c6ed7 | 1906 | |
f42806df LP |
1907 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
1908 | if (r < 0) | |
034c6ed7 LP |
1909 | goto fail; |
1910 | ||
1911 | service_set_state(s, SERVICE_AUTO_RESTART); | |
0c7f15b3 | 1912 | } |
034c6ed7 | 1913 | |
47342320 LP |
1914 | s->forbid_restart = false; |
1915 | ||
034c6ed7 LP |
1916 | return; |
1917 | ||
1918 | fail: | |
1124fe6f | 1919 | log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1920 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1921 | } |
1922 | ||
f42806df | 1923 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
034c6ed7 | 1924 | |
f42806df | 1925 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1926 | int r; |
1927 | assert(s); | |
1928 | ||
f42806df LP |
1929 | if (f != SERVICE_SUCCESS) |
1930 | s->result = f; | |
034c6ed7 | 1931 | |
5e94833f LP |
1932 | service_unwatch_control_pid(s); |
1933 | ||
80876c20 | 1934 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
867b3b7d LP |
1935 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1936 | ||
ecedd90f LP |
1937 | r = service_spawn(s, |
1938 | s->control_command, | |
1939 | true, | |
1940 | false, | |
1941 | !s->permissions_start_only, | |
1942 | !s->root_directory_start_only, | |
1943 | true, | |
1944 | false, | |
1945 | true, | |
1946 | &s->control_pid); | |
1947 | if (r < 0) | |
034c6ed7 LP |
1948 | goto fail; |
1949 | ||
d6ea93e3 | 1950 | |
80876c20 LP |
1951 | service_set_state(s, SERVICE_STOP_POST); |
1952 | } else | |
f42806df | 1953 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1954 | |
1955 | return; | |
1956 | ||
1957 | fail: | |
1124fe6f | 1958 | log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1959 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1960 | } |
1961 | ||
f42806df | 1962 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1963 | int r; |
ca949c9d LP |
1964 | Set *pid_set = NULL; |
1965 | bool wait_for_exit = false; | |
034c6ed7 LP |
1966 | |
1967 | assert(s); | |
1968 | ||
f42806df LP |
1969 | if (f != SERVICE_SUCCESS) |
1970 | s->result = f; | |
034c6ed7 | 1971 | |
4819ff03 LP |
1972 | if (s->kill_context.kill_mode != KILL_NONE) { |
1973 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->kill_context.kill_signal : SIGKILL; | |
034c6ed7 | 1974 | |
ca949c9d | 1975 | if (s->main_pid > 0) { |
cd25cce9 | 1976 | if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1977 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1978 | else | |
6dfa5494 | 1979 | wait_for_exit = !s->main_pid_alien; |
034c6ed7 LP |
1980 | } |
1981 | ||
ca949c9d | 1982 | if (s->control_pid > 0) { |
cd25cce9 | 1983 | if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1984 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1985 | else | |
1986 | wait_for_exit = true; | |
1987 | } | |
50159e6a | 1988 | |
4819ff03 | 1989 | if (s->kill_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1990 | |
4819ff03 LP |
1991 | pid_set = set_new(trivial_hash_func, trivial_compare_func); |
1992 | if (!pid_set) { | |
ca949c9d | 1993 | r = -ENOMEM; |
50159e6a | 1994 | goto fail; |
ca949c9d LP |
1995 | } |
1996 | ||
1997 | /* Exclude the main/control pids from being killed via the cgroup */ | |
1998 | if (s->main_pid > 0) | |
1999 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
2000 | goto fail; | |
2001 | ||
2002 | if (s->control_pid > 0) | |
2003 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
2004 | goto fail; | |
2005 | ||
88f3e0c9 | 2006 | r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL); |
ecedd90f | 2007 | if (r < 0) { |
ca949c9d LP |
2008 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) |
2009 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 2010 | } else if (r > 0) |
ca949c9d LP |
2011 | wait_for_exit = true; |
2012 | ||
2013 | set_free(pid_set); | |
da19d5c1 | 2014 | pid_set = NULL; |
50159e6a | 2015 | } |
d6ea93e3 | 2016 | } |
034c6ed7 | 2017 | |
ca949c9d | 2018 | if (wait_for_exit) { |
e558336f LP |
2019 | if (s->timeout_usec > 0) |
2020 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
2021 | goto fail; | |
d6ea93e3 | 2022 | |
80876c20 LP |
2023 | service_set_state(s, state); |
2024 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
f42806df | 2025 | service_enter_stop_post(s, SERVICE_SUCCESS); |
80876c20 | 2026 | else |
f42806df | 2027 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
2028 | |
2029 | return; | |
2030 | ||
2031 | fail: | |
1124fe6f | 2032 | log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2033 | |
80876c20 | 2034 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
f42806df | 2035 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2036 | else |
f42806df | 2037 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
ca949c9d LP |
2038 | |
2039 | if (pid_set) | |
2040 | set_free(pid_set); | |
034c6ed7 LP |
2041 | } |
2042 | ||
f42806df | 2043 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 2044 | int r; |
5925dd3c | 2045 | |
034c6ed7 LP |
2046 | assert(s); |
2047 | ||
f42806df LP |
2048 | if (f != SERVICE_SUCCESS) |
2049 | s->result = f; | |
034c6ed7 | 2050 | |
5e94833f LP |
2051 | service_unwatch_control_pid(s); |
2052 | ||
80876c20 | 2053 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
867b3b7d LP |
2054 | s->control_command_id = SERVICE_EXEC_STOP; |
2055 | ||
ecedd90f LP |
2056 | r = service_spawn(s, |
2057 | s->control_command, | |
2058 | true, | |
2059 | false, | |
2060 | !s->permissions_start_only, | |
2061 | !s->root_directory_start_only, | |
2062 | false, | |
2063 | false, | |
2064 | true, | |
2065 | &s->control_pid); | |
2066 | if (r < 0) | |
034c6ed7 LP |
2067 | goto fail; |
2068 | ||
80876c20 LP |
2069 | service_set_state(s, SERVICE_STOP); |
2070 | } else | |
f42806df | 2071 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
2072 | |
2073 | return; | |
2074 | ||
2075 | fail: | |
1124fe6f | 2076 | log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2077 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2078 | } |
2079 | ||
f42806df | 2080 | static void service_enter_running(Service *s, ServiceResult f) { |
4eab639f | 2081 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
2082 | assert(s); |
2083 | ||
f42806df LP |
2084 | if (f != SERVICE_SUCCESS) |
2085 | s->result = f; | |
80876c20 | 2086 | |
4eab639f LP |
2087 | main_pid_ok = main_pid_good(s); |
2088 | cgroup_ok = cgroup_good(s); | |
2089 | ||
2090 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 2091 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 2092 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 2093 | else if (s->remain_after_exit) |
80876c20 LP |
2094 | service_set_state(s, SERVICE_EXITED); |
2095 | else | |
f42806df | 2096 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
2097 | } |
2098 | ||
034c6ed7 LP |
2099 | static void service_enter_start_post(Service *s) { |
2100 | int r; | |
2101 | assert(s); | |
2102 | ||
5e94833f LP |
2103 | service_unwatch_control_pid(s); |
2104 | ||
bb242b7b MO |
2105 | if (s->watchdog_usec > 0) |
2106 | service_reset_watchdog(s); | |
2107 | ||
80876c20 | 2108 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
867b3b7d LP |
2109 | s->control_command_id = SERVICE_EXEC_START_POST; |
2110 | ||
ecedd90f LP |
2111 | r = service_spawn(s, |
2112 | s->control_command, | |
2113 | true, | |
2114 | false, | |
2115 | !s->permissions_start_only, | |
2116 | !s->root_directory_start_only, | |
2117 | false, | |
2118 | false, | |
2119 | true, | |
2120 | &s->control_pid); | |
2121 | if (r < 0) | |
034c6ed7 LP |
2122 | goto fail; |
2123 | ||
80876c20 LP |
2124 | service_set_state(s, SERVICE_START_POST); |
2125 | } else | |
f42806df | 2126 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2127 | |
2128 | return; | |
2129 | ||
2130 | fail: | |
1124fe6f | 2131 | log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2132 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2133 | } |
2134 | ||
2135 | static void service_enter_start(Service *s) { | |
2136 | pid_t pid; | |
2137 | int r; | |
867b3b7d | 2138 | ExecCommand *c; |
034c6ed7 LP |
2139 | |
2140 | assert(s); | |
2141 | ||
2142 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 2143 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 2144 | |
80876c20 LP |
2145 | if (s->type == SERVICE_FORKING) |
2146 | service_unwatch_control_pid(s); | |
2147 | else | |
2148 | service_unwatch_main_pid(s); | |
2149 | ||
8f53a7b8 LP |
2150 | /* We want to ensure that nobody leaks processes from |
2151 | * START_PRE here, so let's go on a killing spree, People | |
2152 | * should not spawn long running processes from START_PRE. */ | |
88f3e0c9 | 2153 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2154 | |
867b3b7d LP |
2155 | if (s->type == SERVICE_FORKING) { |
2156 | s->control_command_id = SERVICE_EXEC_START; | |
2157 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
2158 | ||
2159 | s->main_command = NULL; | |
2160 | } else { | |
2161 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2162 | s->control_command = NULL; | |
2163 | ||
2164 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
2165 | } | |
34e9ba66 | 2166 | |
ecedd90f LP |
2167 | r = service_spawn(s, |
2168 | c, | |
98709151 | 2169 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT, |
ecedd90f LP |
2170 | true, |
2171 | true, | |
2172 | true, | |
2173 | true, | |
2174 | s->notify_access != NOTIFY_NONE, | |
2175 | false, | |
2176 | &pid); | |
2177 | if (r < 0) | |
034c6ed7 LP |
2178 | goto fail; |
2179 | ||
f2b68789 | 2180 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
2181 | /* For simple services we immediately start |
2182 | * the START_POST binaries. */ | |
2183 | ||
5925dd3c | 2184 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2185 | service_enter_start_post(s); |
2186 | ||
2187 | } else if (s->type == SERVICE_FORKING) { | |
2188 | ||
2189 | /* For forking services we wait until the start | |
2190 | * process exited. */ | |
2191 | ||
e55224ca | 2192 | s->control_pid = pid; |
80876c20 LP |
2193 | service_set_state(s, SERVICE_START); |
2194 | ||
34e9ba66 | 2195 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2196 | s->type == SERVICE_DBUS || |
2197 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2198 | |
34e9ba66 | 2199 | /* For oneshot services we wait until the start |
7d55e835 LP |
2200 | * process exited, too, but it is our main process. */ |
2201 | ||
05e343b7 | 2202 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2203 | * but wait for the bus name to appear on the |
2204 | * bus. Notify services are similar. */ | |
05e343b7 | 2205 | |
5925dd3c | 2206 | service_set_main_pid(s, pid); |
80876c20 | 2207 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2208 | } else |
2209 | assert_not_reached("Unknown service type"); | |
2210 | ||
2211 | return; | |
2212 | ||
2213 | fail: | |
1124fe6f | 2214 | log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2215 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2216 | } |
2217 | ||
2218 | static void service_enter_start_pre(Service *s) { | |
2219 | int r; | |
2220 | ||
2221 | assert(s); | |
2222 | ||
5e94833f LP |
2223 | service_unwatch_control_pid(s); |
2224 | ||
80876c20 | 2225 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
8f53a7b8 LP |
2226 | |
2227 | /* Before we start anything, let's clear up what might | |
2228 | * be left from previous runs. */ | |
88f3e0c9 | 2229 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2230 | |
867b3b7d LP |
2231 | s->control_command_id = SERVICE_EXEC_START_PRE; |
2232 | ||
ecedd90f LP |
2233 | r = service_spawn(s, |
2234 | s->control_command, | |
2235 | true, | |
2236 | false, | |
2237 | !s->permissions_start_only, | |
2238 | !s->root_directory_start_only, | |
2239 | true, | |
2240 | false, | |
2241 | true, | |
2242 | &s->control_pid); | |
2243 | if (r < 0) | |
034c6ed7 LP |
2244 | goto fail; |
2245 | ||
80876c20 LP |
2246 | service_set_state(s, SERVICE_START_PRE); |
2247 | } else | |
034c6ed7 LP |
2248 | service_enter_start(s); |
2249 | ||
2250 | return; | |
2251 | ||
2252 | fail: | |
1124fe6f | 2253 | log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2254 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
2255 | } |
2256 | ||
2257 | static void service_enter_restart(Service *s) { | |
2258 | int r; | |
398ef8ba LP |
2259 | DBusError error; |
2260 | ||
034c6ed7 | 2261 | assert(s); |
398ef8ba | 2262 | dbus_error_init(&error); |
034c6ed7 | 2263 | |
a8bb2e65 LP |
2264 | if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) { |
2265 | /* Don't restart things if we are going down anyway */ | |
2266 | log_info("Stop job pending for unit, delaying automatic restart."); | |
2edfa366 | 2267 | |
a8bb2e65 LP |
2268 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
2269 | if (r < 0) | |
2edfa366 | 2270 | goto fail; |
feae8adb DW |
2271 | |
2272 | return; | |
2edfa366 LP |
2273 | } |
2274 | ||
48bb5876 DW |
2275 | /* Any units that are bound to this service must also be |
2276 | * restarted. We use JOB_RESTART (instead of the more obvious | |
2277 | * JOB_START) here so that those dependency jobs will be added | |
2278 | * as well. */ | |
2279 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
2280 | if (r < 0) | |
034c6ed7 LP |
2281 | goto fail; |
2282 | ||
a8bb2e65 LP |
2283 | /* Note that we stay in the SERVICE_AUTO_RESTART state here, |
2284 | * it will be canceled as part of the service_stop() call that | |
2285 | * is executed as part of JOB_RESTART. */ | |
2286 | ||
1124fe6f | 2287 | log_debug("%s scheduled restart job.", UNIT(s)->id); |
034c6ed7 LP |
2288 | return; |
2289 | ||
2290 | fail: | |
1124fe6f | 2291 | log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r)); |
f42806df | 2292 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
398ef8ba LP |
2293 | |
2294 | dbus_error_free(&error); | |
034c6ed7 LP |
2295 | } |
2296 | ||
2297 | static void service_enter_reload(Service *s) { | |
2298 | int r; | |
2299 | ||
2300 | assert(s); | |
2301 | ||
5e94833f LP |
2302 | service_unwatch_control_pid(s); |
2303 | ||
80876c20 | 2304 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
867b3b7d LP |
2305 | s->control_command_id = SERVICE_EXEC_RELOAD; |
2306 | ||
ecedd90f LP |
2307 | r = service_spawn(s, |
2308 | s->control_command, | |
2309 | true, | |
2310 | false, | |
2311 | !s->permissions_start_only, | |
2312 | !s->root_directory_start_only, | |
2313 | false, | |
2314 | false, | |
2315 | true, | |
2316 | &s->control_pid); | |
2317 | if (r < 0) | |
034c6ed7 LP |
2318 | goto fail; |
2319 | ||
80876c20 LP |
2320 | service_set_state(s, SERVICE_RELOAD); |
2321 | } else | |
f42806df | 2322 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2323 | |
2324 | return; | |
2325 | ||
2326 | fail: | |
1124fe6f | 2327 | log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df LP |
2328 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2329 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2330 | } |
2331 | ||
f42806df | 2332 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
2333 | int r; |
2334 | ||
2335 | assert(s); | |
2336 | assert(s->control_command); | |
2337 | assert(s->control_command->command_next); | |
2338 | ||
34e9ba66 | 2339 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2340 | |
34e9ba66 | 2341 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2342 | service_unwatch_control_pid(s); |
2343 | ||
ecedd90f LP |
2344 | r = service_spawn(s, |
2345 | s->control_command, | |
2346 | true, | |
2347 | false, | |
2348 | !s->permissions_start_only, | |
2349 | !s->root_directory_start_only, | |
2350 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
2351 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
2352 | false, | |
2353 | true, | |
2354 | &s->control_pid); | |
2355 | if (r < 0) | |
034c6ed7 LP |
2356 | goto fail; |
2357 | ||
2358 | return; | |
2359 | ||
2360 | fail: | |
1124fe6f | 2361 | log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2362 | |
80876c20 | 2363 | if (s->state == SERVICE_START_PRE) |
f42806df | 2364 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 2365 | else if (s->state == SERVICE_STOP) |
f42806df | 2366 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2367 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 2368 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 2369 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
2370 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2371 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 2372 | } else |
f42806df | 2373 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
2374 | } |
2375 | ||
f42806df | 2376 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
2377 | pid_t pid; |
2378 | int r; | |
2379 | ||
2380 | assert(s); | |
867b3b7d LP |
2381 | assert(s->main_command); |
2382 | assert(s->main_command->command_next); | |
2383 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 2384 | |
867b3b7d | 2385 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
2386 | service_unwatch_main_pid(s); |
2387 | ||
ecedd90f LP |
2388 | r = service_spawn(s, |
2389 | s->main_command, | |
98709151 | 2390 | true, |
ecedd90f LP |
2391 | true, |
2392 | true, | |
2393 | true, | |
2394 | true, | |
2395 | s->notify_access != NOTIFY_NONE, | |
2396 | false, | |
2397 | &pid); | |
2398 | if (r < 0) | |
34e9ba66 LP |
2399 | goto fail; |
2400 | ||
2401 | service_set_main_pid(s, pid); | |
2402 | ||
2403 | return; | |
2404 | ||
2405 | fail: | |
1124fe6f | 2406 | log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2407 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
2408 | } |
2409 | ||
4b939747 MO |
2410 | static int service_start_limit_test(Service *s) { |
2411 | assert(s); | |
2412 | ||
2413 | if (ratelimit_test(&s->start_limit)) | |
2414 | return 0; | |
2415 | ||
2416 | switch (s->start_limit_action) { | |
2417 | ||
2418 | case SERVICE_START_LIMIT_NONE: | |
2419 | log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id); | |
2420 | break; | |
2421 | ||
2422 | case SERVICE_START_LIMIT_REBOOT: { | |
2423 | DBusError error; | |
2424 | int r; | |
2425 | ||
2426 | dbus_error_init(&error); | |
2427 | ||
2428 | log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id); | |
2429 | ||
2430 | r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL); | |
2431 | if (r < 0) { | |
2432 | log_error("Failed to reboot: %s.", bus_error(&error, r)); | |
2433 | dbus_error_free(&error); | |
2434 | } | |
2435 | ||
2436 | break; | |
2437 | } | |
2438 | ||
2439 | case SERVICE_START_LIMIT_REBOOT_FORCE: | |
6bda96a0 | 2440 | log_warning("%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id); |
4b939747 MO |
2441 | UNIT(s)->manager->exit_code = MANAGER_REBOOT; |
2442 | break; | |
2443 | ||
2444 | case SERVICE_START_LIMIT_REBOOT_IMMEDIATE: | |
2445 | log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id); | |
2446 | reboot(RB_AUTOBOOT); | |
2447 | break; | |
2448 | ||
2449 | default: | |
2450 | log_error("start limit action=%i", s->start_limit_action); | |
2451 | assert_not_reached("Unknown StartLimitAction."); | |
2452 | } | |
2453 | ||
2454 | return -ECANCELED; | |
2455 | } | |
2456 | ||
87f0e418 LP |
2457 | static int service_start(Unit *u) { |
2458 | Service *s = SERVICE(u); | |
4b939747 | 2459 | int r; |
5cb5a6ff LP |
2460 | |
2461 | assert(s); | |
2462 | ||
034c6ed7 LP |
2463 | /* We cannot fulfill this request right now, try again later |
2464 | * please! */ | |
2465 | if (s->state == SERVICE_STOP || | |
2466 | s->state == SERVICE_STOP_SIGTERM || | |
2467 | s->state == SERVICE_STOP_SIGKILL || | |
2468 | s->state == SERVICE_STOP_POST || | |
2469 | s->state == SERVICE_FINAL_SIGTERM || | |
2470 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2471 | return -EAGAIN; |
2472 | ||
034c6ed7 LP |
2473 | /* Already on it! */ |
2474 | if (s->state == SERVICE_START_PRE || | |
2475 | s->state == SERVICE_START || | |
2476 | s->state == SERVICE_START_POST) | |
2477 | return 0; | |
2478 | ||
2e9d6c12 | 2479 | /* A service that will be restarted must be stopped first to |
7f2cddae | 2480 | * trigger BindsTo and/or OnFailure dependencies. If a user |
2e9d6c12 | 2481 | * does not want to wait for the holdoff time to elapse, the |
d4943dc7 LP |
2482 | * service should be manually restarted, not started. We |
2483 | * simply return EAGAIN here, so that any start jobs stay | |
2484 | * queued, and assume that the auto restart timer will | |
2485 | * eventually trigger the restart. */ | |
2486 | if (s->state == SERVICE_AUTO_RESTART) | |
a8bb2e65 | 2487 | return -EAGAIN; |
2e9d6c12 DW |
2488 | |
2489 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED); | |
5cb5a6ff | 2490 | |
1e2e8133 | 2491 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 2492 | r = service_start_limit_test(s); |
c2f34808 MS |
2493 | if (r < 0) { |
2494 | service_notify_sockets_dead(s, true); | |
4b939747 | 2495 | return r; |
c2f34808 | 2496 | } |
1e2e8133 | 2497 | |
f42806df LP |
2498 | s->result = SERVICE_SUCCESS; |
2499 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 2500 | s->main_pid_known = false; |
6dfa5494 | 2501 | s->main_pid_alien = false; |
47342320 | 2502 | s->forbid_restart = false; |
034c6ed7 LP |
2503 | |
2504 | service_enter_start_pre(s); | |
2505 | return 0; | |
5cb5a6ff LP |
2506 | } |
2507 | ||
87f0e418 LP |
2508 | static int service_stop(Unit *u) { |
2509 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2510 | |
2511 | assert(s); | |
2512 | ||
f0c7b229 | 2513 | /* Don't create restart jobs from here. */ |
47342320 | 2514 | s->forbid_restart = true; |
034c6ed7 | 2515 | |
e537352b LP |
2516 | /* Already on it */ |
2517 | if (s->state == SERVICE_STOP || | |
2518 | s->state == SERVICE_STOP_SIGTERM || | |
2519 | s->state == SERVICE_STOP_SIGKILL || | |
2520 | s->state == SERVICE_STOP_POST || | |
2521 | s->state == SERVICE_FINAL_SIGTERM || | |
2522 | s->state == SERVICE_FINAL_SIGKILL) | |
2523 | return 0; | |
2524 | ||
f0c7b229 | 2525 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2526 | if (s->state == SERVICE_AUTO_RESTART) { |
0c7f15b3 | 2527 | service_set_state(s, SERVICE_DEAD); |
034c6ed7 LP |
2528 | return 0; |
2529 | } | |
2530 | ||
3f6c78dc LP |
2531 | /* If there's already something running we go directly into |
2532 | * kill mode. */ | |
2533 | if (s->state == SERVICE_START_PRE || | |
2534 | s->state == SERVICE_START || | |
2535 | s->state == SERVICE_START_POST || | |
2536 | s->state == SERVICE_RELOAD) { | |
f42806df | 2537 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2538 | return 0; |
2539 | } | |
5cb5a6ff | 2540 | |
3f6c78dc LP |
2541 | assert(s->state == SERVICE_RUNNING || |
2542 | s->state == SERVICE_EXITED); | |
3a762661 | 2543 | |
f42806df | 2544 | service_enter_stop(s, SERVICE_SUCCESS); |
5cb5a6ff LP |
2545 | return 0; |
2546 | } | |
2547 | ||
87f0e418 LP |
2548 | static int service_reload(Unit *u) { |
2549 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2550 | |
2551 | assert(s); | |
2552 | ||
80876c20 | 2553 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2554 | |
2555 | service_enter_reload(s); | |
5cb5a6ff LP |
2556 | return 0; |
2557 | } | |
2558 | ||
87f0e418 LP |
2559 | static bool service_can_reload(Unit *u) { |
2560 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2561 | |
2562 | assert(s); | |
2563 | ||
2564 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2565 | } | |
2566 | ||
a16e1123 LP |
2567 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2568 | Service *s = SERVICE(u); | |
2569 | ||
2570 | assert(u); | |
2571 | assert(f); | |
2572 | assert(fds); | |
2573 | ||
2574 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2575 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2576 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2577 | |
2578 | if (s->control_pid > 0) | |
5925dd3c | 2579 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2580 | |
5925dd3c LP |
2581 | if (s->main_pid_known && s->main_pid > 0) |
2582 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2583 | |
2584 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2585 | ||
3a2776bc LP |
2586 | if (s->status_text) |
2587 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2588 | ||
cfc4eb4c LP |
2589 | /* FIXME: There's a minor uncleanliness here: if there are |
2590 | * multiple commands attached here, we will start from the | |
2591 | * first one again */ | |
a16e1123 | 2592 | if (s->control_command_id >= 0) |
825636e5 | 2593 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2594 | |
2595 | if (s->socket_fd >= 0) { | |
2596 | int copy; | |
2597 | ||
2598 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2599 | return copy; | |
2600 | ||
2601 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2602 | } | |
2603 | ||
ecdbca40 LP |
2604 | if (s->main_exec_status.pid > 0) { |
2605 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2606 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2607 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2608 | |
799fd0fd | 2609 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2610 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2611 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2612 | } | |
2613 | } | |
a6927d7f MO |
2614 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
2615 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); | |
ecdbca40 | 2616 | |
a16e1123 LP |
2617 | return 0; |
2618 | } | |
2619 | ||
2620 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2621 | Service *s = SERVICE(u); | |
a16e1123 LP |
2622 | |
2623 | assert(u); | |
2624 | assert(key); | |
2625 | assert(value); | |
2626 | assert(fds); | |
2627 | ||
2628 | if (streq(key, "state")) { | |
2629 | ServiceState state; | |
2630 | ||
2631 | if ((state = service_state_from_string(value)) < 0) | |
2632 | log_debug("Failed to parse state value %s", value); | |
2633 | else | |
2634 | s->deserialized_state = state; | |
f42806df LP |
2635 | } else if (streq(key, "result")) { |
2636 | ServiceResult f; | |
2637 | ||
2638 | f = service_result_from_string(value); | |
2639 | if (f < 0) | |
2640 | log_debug("Failed to parse result value %s", value); | |
2641 | else if (f != SERVICE_SUCCESS) | |
2642 | s->result = f; | |
2643 | ||
2644 | } else if (streq(key, "reload-result")) { | |
2645 | ServiceResult f; | |
2646 | ||
2647 | f = service_result_from_string(value); | |
2648 | if (f < 0) | |
2649 | log_debug("Failed to parse reload result value %s", value); | |
2650 | else if (f != SERVICE_SUCCESS) | |
2651 | s->reload_result = f; | |
a16e1123 | 2652 | |
a16e1123 | 2653 | } else if (streq(key, "control-pid")) { |
5925dd3c | 2654 | pid_t pid; |
a16e1123 | 2655 | |
e364ad06 | 2656 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2657 | log_debug("Failed to parse control-pid value %s", value); |
2658 | else | |
e55224ca | 2659 | s->control_pid = pid; |
a16e1123 | 2660 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2661 | pid_t pid; |
a16e1123 | 2662 | |
e364ad06 | 2663 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2664 | log_debug("Failed to parse main-pid value %s", value); |
2665 | else | |
5925dd3c | 2666 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2667 | } else if (streq(key, "main-pid-known")) { |
2668 | int b; | |
2669 | ||
2670 | if ((b = parse_boolean(value)) < 0) | |
2671 | log_debug("Failed to parse main-pid-known value %s", value); | |
2672 | else | |
2673 | s->main_pid_known = b; | |
3a2776bc LP |
2674 | } else if (streq(key, "status-text")) { |
2675 | char *t; | |
2676 | ||
2677 | if ((t = strdup(value))) { | |
2678 | free(s->status_text); | |
2679 | s->status_text = t; | |
2680 | } | |
2681 | ||
a16e1123 LP |
2682 | } else if (streq(key, "control-command")) { |
2683 | ServiceExecCommand id; | |
2684 | ||
2685 | if ((id = service_exec_command_from_string(value)) < 0) | |
2686 | log_debug("Failed to parse exec-command value %s", value); | |
2687 | else { | |
2688 | s->control_command_id = id; | |
2689 | s->control_command = s->exec_command[id]; | |
2690 | } | |
2691 | } else if (streq(key, "socket-fd")) { | |
2692 | int fd; | |
2693 | ||
2694 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2695 | log_debug("Failed to parse socket-fd value %s", value); | |
2696 | else { | |
2697 | ||
2698 | if (s->socket_fd >= 0) | |
2699 | close_nointr_nofail(s->socket_fd); | |
2700 | s->socket_fd = fdset_remove(fds, fd); | |
2701 | } | |
ecdbca40 LP |
2702 | } else if (streq(key, "main-exec-status-pid")) { |
2703 | pid_t pid; | |
2704 | ||
e364ad06 | 2705 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2706 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2707 | else | |
2708 | s->main_exec_status.pid = pid; | |
2709 | } else if (streq(key, "main-exec-status-code")) { | |
2710 | int i; | |
2711 | ||
e364ad06 | 2712 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2713 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2714 | else | |
2715 | s->main_exec_status.code = i; | |
2716 | } else if (streq(key, "main-exec-status-status")) { | |
2717 | int i; | |
2718 | ||
e364ad06 | 2719 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2720 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2721 | else | |
2722 | s->main_exec_status.status = i; | |
799fd0fd LP |
2723 | } else if (streq(key, "main-exec-status-start")) |
2724 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2725 | else if (streq(key, "main-exec-status-exit")) | |
2726 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2727 | else if (streq(key, "watchdog-timestamp")) |
2728 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
799fd0fd | 2729 | else |
a16e1123 LP |
2730 | log_debug("Unknown serialization key '%s'", key); |
2731 | ||
2732 | return 0; | |
2733 | } | |
2734 | ||
87f0e418 | 2735 | static UnitActiveState service_active_state(Unit *u) { |
e056b01d LP |
2736 | const UnitActiveState *table; |
2737 | ||
87f0e418 | 2738 | assert(u); |
5cb5a6ff | 2739 | |
e056b01d LP |
2740 | table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
2741 | ||
2742 | return table[SERVICE(u)->state]; | |
034c6ed7 LP |
2743 | } |
2744 | ||
10a94420 LP |
2745 | static const char *service_sub_state_to_string(Unit *u) { |
2746 | assert(u); | |
2747 | ||
2748 | return service_state_to_string(SERVICE(u)->state); | |
2749 | } | |
2750 | ||
701cc384 LP |
2751 | static bool service_check_gc(Unit *u) { |
2752 | Service *s = SERVICE(u); | |
2753 | ||
2754 | assert(s); | |
2755 | ||
6d55002a LP |
2756 | /* Never clean up services that still have a process around, |
2757 | * even if the service is formally dead. */ | |
2758 | if (cgroup_good(s) > 0 || | |
2759 | main_pid_good(s) > 0 || | |
2760 | control_pid_good(s) > 0) | |
2761 | return true; | |
2762 | ||
2763 | #ifdef HAVE_SYSV_COMPAT | |
1b64d026 | 2764 | if (s->is_sysv) |
6d55002a | 2765 | return true; |
07459bb6 | 2766 | #endif |
701cc384 | 2767 | |
6d55002a LP |
2768 | return false; |
2769 | } | |
2770 | ||
701cc384 LP |
2771 | static bool service_check_snapshot(Unit *u) { |
2772 | Service *s = SERVICE(u); | |
2773 | ||
2774 | assert(s); | |
2775 | ||
2776 | return !s->got_socket_fd; | |
2777 | } | |
2778 | ||
3a111838 MS |
2779 | static int service_retry_pid_file(Service *s) { |
2780 | int r; | |
2781 | ||
2782 | assert(s->pid_file); | |
2783 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2784 | ||
2785 | r = service_load_pid_file(s, false); | |
2786 | if (r < 0) | |
2787 | return r; | |
2788 | ||
2789 | service_unwatch_pid_file(s); | |
2790 | ||
f42806df | 2791 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2792 | return 0; |
2793 | } | |
2794 | ||
2795 | static int service_watch_pid_file(Service *s) { | |
2796 | int r; | |
2797 | ||
1124fe6f | 2798 | log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); |
57020a3a | 2799 | r = path_spec_watch(s->pid_file_pathspec, UNIT(s)); |
3a111838 MS |
2800 | if (r < 0) |
2801 | goto fail; | |
2802 | ||
2803 | /* the pidfile might have appeared just before we set the watch */ | |
2804 | service_retry_pid_file(s); | |
2805 | ||
2806 | return 0; | |
2807 | fail: | |
2808 | log_error("Failed to set a watch for %s's PID file %s: %s", | |
1124fe6f | 2809 | UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r)); |
3a111838 MS |
2810 | service_unwatch_pid_file(s); |
2811 | return r; | |
2812 | } | |
2813 | ||
2814 | static int service_demand_pid_file(Service *s) { | |
2815 | PathSpec *ps; | |
2816 | ||
2817 | assert(s->pid_file); | |
2818 | assert(!s->pid_file_pathspec); | |
2819 | ||
2820 | ps = new0(PathSpec, 1); | |
2821 | if (!ps) | |
2822 | return -ENOMEM; | |
2823 | ||
2824 | ps->path = strdup(s->pid_file); | |
2825 | if (!ps->path) { | |
2826 | free(ps); | |
2827 | return -ENOMEM; | |
2828 | } | |
2829 | ||
2830 | path_kill_slashes(ps->path); | |
2831 | ||
2832 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2833 | * keep their PID file open all the time. */ | |
2834 | ps->type = PATH_MODIFIED; | |
2835 | ps->inotify_fd = -1; | |
2836 | ||
2837 | s->pid_file_pathspec = ps; | |
2838 | ||
2839 | return service_watch_pid_file(s); | |
2840 | } | |
2841 | ||
2842 | static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { | |
2843 | Service *s = SERVICE(u); | |
2844 | ||
2845 | assert(s); | |
2846 | assert(fd >= 0); | |
2847 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2848 | assert(s->pid_file_pathspec); | |
57020a3a | 2849 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2850 | |
ac155bb8 | 2851 | log_debug("inotify event for %s", u->id); |
3a111838 | 2852 | |
57020a3a | 2853 | if (path_spec_fd_event(s->pid_file_pathspec, events) < 0) |
3a111838 MS |
2854 | goto fail; |
2855 | ||
2856 | if (service_retry_pid_file(s) == 0) | |
2857 | return; | |
2858 | ||
2859 | if (service_watch_pid_file(s) < 0) | |
2860 | goto fail; | |
2861 | ||
2862 | return; | |
2863 | fail: | |
2864 | service_unwatch_pid_file(s); | |
f42806df | 2865 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2866 | } |
2867 | ||
87f0e418 LP |
2868 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2869 | Service *s = SERVICE(u); | |
f42806df | 2870 | ServiceResult f; |
5cb5a6ff LP |
2871 | |
2872 | assert(s); | |
034c6ed7 LP |
2873 | assert(pid >= 0); |
2874 | ||
f42806df LP |
2875 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status)) |
2876 | f = SERVICE_SUCCESS; | |
2877 | else if (code == CLD_EXITED) | |
2878 | f = SERVICE_FAILURE_EXIT_CODE; | |
2879 | else if (code == CLD_KILLED) | |
2880 | f = SERVICE_FAILURE_SIGNAL; | |
2881 | else if (code == CLD_DUMPED) | |
2882 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2883 | else |
cfc4eb4c | 2884 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2885 | |
2886 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2887 | /* Forking services may occasionally move to a new PID. |
2888 | * As long as they update the PID file before exiting the old | |
2889 | * PID, they're fine. */ | |
5375410b | 2890 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2891 | return; |
034c6ed7 | 2892 | |
034c6ed7 | 2893 | s->main_pid = 0; |
6ea832a2 | 2894 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2895 | |
867b3b7d LP |
2896 | /* If this is not a forking service than the main |
2897 | * process got started and hence we copy the exit | |
2898 | * status so that it is recorded both as main and as | |
2899 | * control process exit status */ | |
2900 | if (s->main_command) { | |
2901 | s->main_command->exec_status = s->main_exec_status; | |
b708e7ce | 2902 | |
867b3b7d | 2903 | if (s->main_command->ignore) |
f42806df | 2904 | f = SERVICE_SUCCESS; |
034c6ed7 LP |
2905 | } |
2906 | ||
f42806df | 2907 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2908 | "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2909 | |
2910 | if (f != SERVICE_SUCCESS) | |
2911 | s->result = f; | |
034c6ed7 | 2912 | |
867b3b7d LP |
2913 | if (s->main_command && |
2914 | s->main_command->command_next && | |
f42806df | 2915 | f == SERVICE_SUCCESS) { |
034c6ed7 | 2916 | |
34e9ba66 LP |
2917 | /* There is another command to * |
2918 | * execute, so let's do that. */ | |
034c6ed7 | 2919 | |
ac155bb8 | 2920 | log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2921 | service_run_next_main(s); |
034c6ed7 | 2922 | |
34e9ba66 LP |
2923 | } else { |
2924 | ||
2925 | /* The service exited, so the service is officially | |
2926 | * gone. */ | |
867b3b7d | 2927 | s->main_command = NULL; |
34e9ba66 LP |
2928 | |
2929 | switch (s->state) { | |
2930 | ||
2931 | case SERVICE_START_POST: | |
2932 | case SERVICE_RELOAD: | |
2933 | case SERVICE_STOP: | |
2934 | /* Need to wait until the operation is | |
2935 | * done */ | |
c4653a4d | 2936 | break; |
7d55e835 | 2937 | |
34e9ba66 LP |
2938 | case SERVICE_START: |
2939 | if (s->type == SERVICE_ONESHOT) { | |
2940 | /* This was our main goal, so let's go on */ | |
f42806df | 2941 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
2942 | service_enter_start_post(s); |
2943 | else | |
f42806df | 2944 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 LP |
2945 | break; |
2946 | } else { | |
2947 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2948 | |
34e9ba66 LP |
2949 | /* Fall through */ |
2950 | } | |
034c6ed7 | 2951 | |
34e9ba66 | 2952 | case SERVICE_RUNNING: |
f42806df | 2953 | service_enter_running(s, f); |
34e9ba66 | 2954 | break; |
034c6ed7 | 2955 | |
34e9ba66 LP |
2956 | case SERVICE_STOP_SIGTERM: |
2957 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2958 | |
34e9ba66 | 2959 | if (!control_pid_good(s)) |
f42806df | 2960 | service_enter_stop_post(s, f); |
5cb5a6ff | 2961 | |
34e9ba66 LP |
2962 | /* If there is still a control process, wait for that first */ |
2963 | break; | |
2964 | ||
2965 | default: | |
2966 | assert_not_reached("Uh, main process died at wrong time."); | |
2967 | } | |
034c6ed7 | 2968 | } |
5cb5a6ff | 2969 | |
034c6ed7 | 2970 | } else if (s->control_pid == pid) { |
034c6ed7 | 2971 | |
34e9ba66 LP |
2972 | s->control_pid = 0; |
2973 | ||
b708e7ce | 2974 | if (s->control_command) { |
6ea832a2 | 2975 | exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); |
a16e1123 | 2976 | |
b708e7ce | 2977 | if (s->control_command->ignore) |
f42806df | 2978 | f = SERVICE_SUCCESS; |
b708e7ce LP |
2979 | } |
2980 | ||
f42806df | 2981 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2982 | "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2983 | |
2984 | if (f != SERVICE_SUCCESS) | |
2985 | s->result = f; | |
034c6ed7 | 2986 | |
88f3e0c9 LP |
2987 | /* Immediately get rid of the cgroup, so that the |
2988 | * kernel doesn't delay the cgroup empty messages for | |
2989 | * the service cgroup any longer than necessary */ | |
2990 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); | |
2991 | ||
34e9ba66 LP |
2992 | if (s->control_command && |
2993 | s->control_command->command_next && | |
f42806df | 2994 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
2995 | |
2996 | /* There is another command to * | |
2997 | * execute, so let's do that. */ | |
2998 | ||
ac155bb8 | 2999 | log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 3000 | service_run_next_control(s); |
034c6ed7 | 3001 | |
80876c20 | 3002 | } else { |
034c6ed7 LP |
3003 | /* No further commands for this step, so let's |
3004 | * figure out what to do next */ | |
3005 | ||
a16e1123 LP |
3006 | s->control_command = NULL; |
3007 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
3008 | ||
ac155bb8 | 3009 | log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state)); |
bd982a8b | 3010 | |
034c6ed7 LP |
3011 | switch (s->state) { |
3012 | ||
3013 | case SERVICE_START_PRE: | |
f42806df | 3014 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
3015 | service_enter_start(s); |
3016 | else | |
f42806df | 3017 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
3018 | break; |
3019 | ||
3020 | case SERVICE_START: | |
3021 | assert(s->type == SERVICE_FORKING); | |
3022 | ||
f42806df LP |
3023 | if (f != SERVICE_SUCCESS) { |
3024 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
3025 | break; |
3026 | } | |
034c6ed7 | 3027 | |
3a111838 | 3028 | if (s->pid_file) { |
f42806df LP |
3029 | bool has_start_post; |
3030 | int r; | |
3031 | ||
3a111838 MS |
3032 | /* Let's try to load the pid file here if we can. |
3033 | * The PID file might actually be created by a START_POST | |
3034 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
3035 | |
3036 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
3037 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
3038 | if (!has_start_post && r < 0) { |
3039 | r = service_demand_pid_file(s); | |
3040 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3041 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3042 | break; |
3043 | } | |
034c6ed7 | 3044 | } else |
3a111838 | 3045 | service_search_main_pid(s); |
034c6ed7 | 3046 | |
3a111838 | 3047 | service_enter_start_post(s); |
034c6ed7 LP |
3048 | break; |
3049 | ||
3050 | case SERVICE_START_POST: | |
f42806df LP |
3051 | if (f != SERVICE_SUCCESS) { |
3052 | service_enter_stop(s, f); | |
2096e009 | 3053 | break; |
034c6ed7 LP |
3054 | } |
3055 | ||
2096e009 | 3056 | if (s->pid_file) { |
f42806df LP |
3057 | int r; |
3058 | ||
3059 | r = service_load_pid_file(s, true); | |
2096e009 MS |
3060 | if (r < 0) { |
3061 | r = service_demand_pid_file(s); | |
3062 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3063 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
3064 | break; |
3065 | } | |
3066 | } else | |
3067 | service_search_main_pid(s); | |
3068 | ||
f42806df | 3069 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 3070 | break; |
034c6ed7 LP |
3071 | |
3072 | case SERVICE_RELOAD: | |
f42806df | 3073 | if (f == SERVICE_SUCCESS) { |
5375410b | 3074 | service_load_pid_file(s, true); |
3185a36b LP |
3075 | service_search_main_pid(s); |
3076 | } | |
3077 | ||
f42806df LP |
3078 | s->reload_result = f; |
3079 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
3080 | break; |
3081 | ||
3082 | case SERVICE_STOP: | |
f42806df | 3083 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
3084 | break; |
3085 | ||
3086 | case SERVICE_STOP_SIGTERM: | |
3087 | case SERVICE_STOP_SIGKILL: | |
3088 | if (main_pid_good(s) <= 0) | |
f42806df | 3089 | service_enter_stop_post(s, f); |
034c6ed7 LP |
3090 | |
3091 | /* If there is still a service | |
3092 | * process around, wait until | |
3093 | * that one quit, too */ | |
3094 | break; | |
3095 | ||
3096 | case SERVICE_STOP_POST: | |
3097 | case SERVICE_FINAL_SIGTERM: | |
3098 | case SERVICE_FINAL_SIGKILL: | |
f42806df | 3099 | service_enter_dead(s, f, true); |
034c6ed7 LP |
3100 | break; |
3101 | ||
3102 | default: | |
3103 | assert_not_reached("Uh, control process died at wrong time."); | |
3104 | } | |
3105 | } | |
8c47c732 | 3106 | } |
c4e2ceae LP |
3107 | |
3108 | /* Notify clients about changed exit status */ | |
3109 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
3110 | } |
3111 | ||
acbb0225 | 3112 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 3113 | Service *s = SERVICE(u); |
034c6ed7 LP |
3114 | |
3115 | assert(s); | |
3116 | assert(elapsed == 1); | |
3117 | ||
bb242b7b MO |
3118 | if (w == &s->watchdog_watch) { |
3119 | service_handle_watchdog(s); | |
3120 | return; | |
3121 | } | |
3122 | ||
acbb0225 | 3123 | assert(w == &s->timer_watch); |
034c6ed7 LP |
3124 | |
3125 | switch (s->state) { | |
3126 | ||
3127 | case SERVICE_START_PRE: | |
3128 | case SERVICE_START: | |
ac155bb8 | 3129 | log_warning("%s operation timed out. Terminating.", u->id); |
f42806df | 3130 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
3131 | break; |
3132 | ||
034c6ed7 | 3133 | case SERVICE_START_POST: |
ac155bb8 | 3134 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df | 3135 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3136 | break; |
3137 | ||
e2f3b44c | 3138 | case SERVICE_RELOAD: |
ac155bb8 | 3139 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df LP |
3140 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
3141 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
3142 | break; |
3143 | ||
034c6ed7 | 3144 | case SERVICE_STOP: |
ac155bb8 | 3145 | log_warning("%s stopping timed out. Terminating.", u->id); |
f42806df | 3146 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3147 | break; |
3148 | ||
3149 | case SERVICE_STOP_SIGTERM: | |
4819ff03 | 3150 | if (s->kill_context.send_sigkill) { |
ac155bb8 | 3151 | log_warning("%s stopping timed out. Killing.", u->id); |
f42806df | 3152 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3153 | } else { |
ac155bb8 | 3154 | log_warning("%s stopping timed out. Skipping SIGKILL.", u->id); |
f42806df | 3155 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
3156 | } |
3157 | ||
034c6ed7 LP |
3158 | break; |
3159 | ||
3160 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 3161 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
3162 | * Must be something we cannot kill, so let's just be |
3163 | * weirded out and continue */ | |
3164 | ||
ac155bb8 | 3165 | log_warning("%s still around after SIGKILL. Ignoring.", u->id); |
f42806df | 3166 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3167 | break; |
3168 | ||
3169 | case SERVICE_STOP_POST: | |
ac155bb8 | 3170 | log_warning("%s stopping timed out (2). Terminating.", u->id); |
f42806df | 3171 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3172 | break; |
3173 | ||
3174 | case SERVICE_FINAL_SIGTERM: | |
4819ff03 | 3175 | if (s->kill_context.send_sigkill) { |
ac155bb8 | 3176 | log_warning("%s stopping timed out (2). Killing.", u->id); |
f42806df | 3177 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3178 | } else { |
ac155bb8 | 3179 | log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id); |
f42806df | 3180 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
3181 | } |
3182 | ||
034c6ed7 LP |
3183 | break; |
3184 | ||
3185 | case SERVICE_FINAL_SIGKILL: | |
ac155bb8 | 3186 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id); |
f42806df | 3187 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
3188 | break; |
3189 | ||
3190 | case SERVICE_AUTO_RESTART: | |
ac155bb8 | 3191 | log_info("%s holdoff time over, scheduling restart.", u->id); |
034c6ed7 LP |
3192 | service_enter_restart(s); |
3193 | break; | |
3194 | ||
3195 | default: | |
3196 | assert_not_reached("Timeout at wrong time."); | |
3197 | } | |
5cb5a6ff LP |
3198 | } |
3199 | ||
8e274523 LP |
3200 | static void service_cgroup_notify_event(Unit *u) { |
3201 | Service *s = SERVICE(u); | |
3202 | ||
3203 | assert(u); | |
3204 | ||
ac155bb8 | 3205 | log_debug("%s: cgroup is empty", u->id); |
8e274523 LP |
3206 | |
3207 | switch (s->state) { | |
3208 | ||
3209 | /* Waiting for SIGCHLD is usually more interesting, | |
3210 | * because it includes return codes/signals. Which is | |
3211 | * why we ignore the cgroup events for most cases, | |
3212 | * except when we don't know pid which to expect the | |
3213 | * SIGCHLD for. */ | |
3214 | ||
3a111838 MS |
3215 | case SERVICE_START: |
3216 | case SERVICE_START_POST: | |
3217 | /* If we were hoping for the daemon to write its PID file, | |
3218 | * we can give up now. */ | |
3219 | if (s->pid_file_pathspec) { | |
1124fe6f | 3220 | log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id); |
3a111838 MS |
3221 | service_unwatch_pid_file(s); |
3222 | if (s->state == SERVICE_START) | |
f42806df | 3223 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 | 3224 | else |
f42806df | 3225 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3226 | } |
3227 | break; | |
3228 | ||
8e274523 | 3229 | case SERVICE_RUNNING: |
f42806df LP |
3230 | /* service_enter_running() will figure out what to do */ |
3231 | service_enter_running(s, SERVICE_SUCCESS); | |
8e274523 LP |
3232 | break; |
3233 | ||
28708d8a LP |
3234 | case SERVICE_STOP_SIGTERM: |
3235 | case SERVICE_STOP_SIGKILL: | |
6dfa5494 | 3236 | |
28708d8a | 3237 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) |
f42806df | 3238 | service_enter_stop_post(s, SERVICE_SUCCESS); |
28708d8a LP |
3239 | |
3240 | break; | |
3241 | ||
7f97f0fe LP |
3242 | case SERVICE_FINAL_SIGTERM: |
3243 | case SERVICE_FINAL_SIGKILL: | |
3244 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
e201a038 | 3245 | service_enter_dead(s, SERVICE_SUCCESS, true); |
7f97f0fe LP |
3246 | |
3247 | break; | |
3248 | ||
8e274523 LP |
3249 | default: |
3250 | ; | |
3251 | } | |
3252 | } | |
3253 | ||
c952c6ec | 3254 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
3255 | Service *s = SERVICE(u); |
3256 | const char *e; | |
3257 | ||
3258 | assert(u); | |
3259 | ||
c952c6ec LP |
3260 | if (s->notify_access == NOTIFY_NONE) { |
3261 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
ac155bb8 | 3262 | u->id, (unsigned long) pid); |
c952c6ec LP |
3263 | return; |
3264 | } | |
3265 | ||
3266 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
3267 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
ac155bb8 | 3268 | u->id, (unsigned long) pid, (unsigned long) s->main_pid); |
c952c6ec LP |
3269 | return; |
3270 | } | |
3271 | ||
ac155bb8 | 3272 | log_debug("%s: Got message", u->id); |
8c47c732 LP |
3273 | |
3274 | /* Interpret MAINPID= */ | |
3275 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
3276 | (s->state == SERVICE_START || | |
3277 | s->state == SERVICE_START_POST || | |
3278 | s->state == SERVICE_RUNNING || | |
3279 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 3280 | |
5925dd3c | 3281 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 3282 | log_warning("Failed to parse notification message %s", e); |
8c47c732 | 3283 | else { |
ac155bb8 | 3284 | log_debug("%s: got %s", u->id, e); |
5925dd3c | 3285 | service_set_main_pid(s, pid); |
8c47c732 LP |
3286 | } |
3287 | } | |
3288 | ||
3289 | /* Interpret READY= */ | |
3290 | if (s->type == SERVICE_NOTIFY && | |
3291 | s->state == SERVICE_START && | |
3292 | strv_find(tags, "READY=1")) { | |
ac155bb8 | 3293 | log_debug("%s: got READY=1", u->id); |
8c47c732 LP |
3294 | |
3295 | service_enter_start_post(s); | |
3296 | } | |
3297 | ||
3298 | /* Interpret STATUS= */ | |
7f110ff9 LP |
3299 | e = strv_find_prefix(tags, "STATUS="); |
3300 | if (e) { | |
8c47c732 LP |
3301 | char *t; |
3302 | ||
3a2776bc | 3303 | if (e[7]) { |
7f110ff9 LP |
3304 | |
3305 | if (!utf8_is_valid(e+7)) { | |
3306 | log_warning("Status message in notification is not UTF-8 clean."); | |
3307 | return; | |
3308 | } | |
3309 | ||
3310 | t = strdup(e+7); | |
3311 | if (!t) { | |
3a2776bc LP |
3312 | log_error("Failed to allocate string."); |
3313 | return; | |
3314 | } | |
3315 | ||
ac155bb8 | 3316 | log_debug("%s: got %s", u->id, e); |
8c47c732 | 3317 | |
3a2776bc LP |
3318 | free(s->status_text); |
3319 | s->status_text = t; | |
3320 | } else { | |
3321 | free(s->status_text); | |
3322 | s->status_text = NULL; | |
3323 | } | |
8c47c732 | 3324 | |
8c47c732 | 3325 | } |
a6927d7f MO |
3326 | if (strv_find(tags, "WATCHDOG=1")) { |
3327 | log_debug("%s: got WATCHDOG=1", u->id); | |
3328 | service_reset_watchdog(s); | |
3329 | } | |
c4e2ceae LP |
3330 | |
3331 | /* Notify clients about changed status or main pid */ | |
3332 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3333 | } |
3334 | ||
07459bb6 | 3335 | #ifdef HAVE_SYSV_COMPAT |
de3910a3 FC |
3336 | |
3337 | #ifdef TARGET_SUSE | |
3338 | static void sysv_facility_in_insserv_conf(Manager *mgr) { | |
3339 | FILE *f=NULL; | |
3340 | int r; | |
3341 | ||
3342 | if (!(f = fopen("/etc/insserv.conf", "re"))) { | |
3343 | r = errno == ENOENT ? 0 : -errno; | |
3344 | goto finish; | |
3345 | } | |
3346 | ||
3347 | while (!feof(f)) { | |
3348 | char l[LINE_MAX], *t; | |
3349 | char **parsed = NULL; | |
3350 | ||
3351 | if (!fgets(l, sizeof(l), f)) { | |
3352 | if (feof(f)) | |
3353 | break; | |
3354 | ||
3355 | r = -errno; | |
3356 | log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r)); | |
3357 | goto finish; | |
3358 | } | |
3359 | ||
3360 | t = strstrip(l); | |
3361 | if (*t != '$' && *t != '<') | |
3362 | continue; | |
3363 | ||
3364 | parsed = strv_split(t,WHITESPACE); | |
3365 | /* we ignore <interactive>, not used, equivalent to X-Interactive */ | |
3366 | if (parsed && !startswith_no_case (parsed[0], "<interactive>")) { | |
3367 | char *facility; | |
3368 | Unit *u; | |
3369 | if (sysv_translate_facility(parsed[0], NULL, &facility) < 0) | |
3370 | continue; | |
ac155bb8 | 3371 | if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) { |
de3910a3 FC |
3372 | UnitDependency e; |
3373 | char *dep = NULL, *name, **j; | |
3374 | ||
3375 | STRV_FOREACH (j, parsed+1) { | |
3376 | if (*j[0]=='+') { | |
3377 | e = UNIT_WANTS; | |
3378 | name = *j+1; | |
3379 | } | |
3380 | else { | |
3381 | e = UNIT_REQUIRES; | |
3382 | name = *j; | |
3383 | } | |
3384 | if (sysv_translate_facility(name, NULL, &dep) < 0) | |
3385 | continue; | |
3386 | ||
3387 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true); | |
3388 | free(dep); | |
3389 | } | |
3390 | } | |
3391 | free(facility); | |
3392 | } | |
3393 | strv_free(parsed); | |
3394 | } | |
3395 | finish: | |
3396 | if (f) | |
3397 | fclose(f); | |
3398 | ||
3399 | } | |
3400 | #endif | |
3401 | ||
2c4104f0 | 3402 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
3403 | char **p; |
3404 | unsigned i; | |
3405 | DIR *d = NULL; | |
3406 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
3407 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
3408 | Unit *service; | |
3409 | Iterator j; | |
2c4104f0 LP |
3410 | int r; |
3411 | ||
3412 | assert(m); | |
3413 | ||
b1bc08e5 LP |
3414 | if (m->running_as != MANAGER_SYSTEM) |
3415 | return 0; | |
3416 | ||
c68364b7 LP |
3417 | zero(runlevel_services); |
3418 | ||
84e3543e | 3419 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 3420 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
3421 | struct dirent *de; |
3422 | ||
3423 | free(path); | |
b7def684 | 3424 | path = strjoin(*p, "/", rcnd_table[i].path, NULL); |
70132bd0 | 3425 | if (!path) { |
2c4104f0 LP |
3426 | r = -ENOMEM; |
3427 | goto finish; | |
3428 | } | |
3429 | ||
3430 | if (d) | |
3431 | closedir(d); | |
3432 | ||
3433 | if (!(d = opendir(path))) { | |
3434 | if (errno != ENOENT) | |
3435 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
3436 | ||
3437 | continue; | |
3438 | } | |
3439 | ||
3440 | while ((de = readdir(d))) { | |
db06e3b6 | 3441 | int a, b; |
2c4104f0 LP |
3442 | |
3443 | if (ignore_file(de->d_name)) | |
3444 | continue; | |
3445 | ||
3446 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
3447 | continue; | |
3448 | ||
3449 | if (strlen(de->d_name) < 4) | |
3450 | continue; | |
3451 | ||
db06e3b6 LP |
3452 | a = undecchar(de->d_name[1]); |
3453 | b = undecchar(de->d_name[2]); | |
3454 | ||
3455 | if (a < 0 || b < 0) | |
3456 | continue; | |
3457 | ||
2c4104f0 | 3458 | free(fpath); |
b7def684 | 3459 | fpath = strjoin(path, "/", de->d_name, NULL); |
8ea913b2 | 3460 | if (!fpath) { |
2c4104f0 LP |
3461 | r = -ENOMEM; |
3462 | goto finish; | |
3463 | } | |
3464 | ||
3465 | if (access(fpath, X_OK) < 0) { | |
3466 | ||
3467 | if (errno != ENOENT) | |
3468 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
3469 | ||
3470 | continue; | |
3471 | } | |
3472 | ||
3473 | free(name); | |
b7ccee3c | 3474 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
3475 | r = -ENOMEM; |
3476 | goto finish; | |
3477 | } | |
3478 | ||
398ef8ba | 3479 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
3480 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
3481 | continue; | |
3482 | } | |
2c4104f0 | 3483 | |
c68364b7 LP |
3484 | if (de->d_name[0] == 'S') { |
3485 | ||
f73d93a4 | 3486 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
ea87ca5a LP |
3487 | SERVICE(service)->sysv_start_priority_from_rcnd = |
3488 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd); | |
db06e3b6 | 3489 | |
c68364b7 | 3490 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3491 | } |
db06e3b6 | 3492 | |
c68364b7 LP |
3493 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
3494 | goto finish; | |
2c4104f0 | 3495 | |
c68364b7 | 3496 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 3497 | goto finish; |
23a177ef | 3498 | |
fc5df99e LP |
3499 | } else if (de->d_name[0] == 'K' && |
3500 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
3501 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3502 | |
c68364b7 LP |
3503 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3504 | goto finish; | |
3505 | ||
3506 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3507 | goto finish; |
3508 | } | |
3509 | } | |
3510 | } | |
3511 | ||
c68364b7 LP |
3512 | /* Now we loaded all stubs and are aware of the lowest |
3513 | start-up priority for all services, not let's actually load | |
3514 | the services, this will also tell us which services are | |
3515 | actually native now */ | |
3516 | manager_dispatch_load_queue(m); | |
3517 | ||
3518 | /* If this is a native service, rely on native ways to pull in | |
3519 | * a service, don't pull it in via sysv rcN.d links. */ | |
3520 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3521 | SET_FOREACH(service, runlevel_services[i], j) { | |
3522 | service = unit_follow_merge(service); | |
3523 | ||
ac155bb8 | 3524 | if (service->fragment_path) |
c68364b7 LP |
3525 | continue; |
3526 | ||
3527 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3528 | goto finish; | |
3529 | } | |
3530 | ||
3531 | /* We honour K links only for halt/reboot. For the normal | |
3532 | * runlevels we assume the stop jobs will be implicitly added | |
35b8ca3a | 3533 | * by the core logic. Also, we don't really distinguish here |
c68364b7 LP |
3534 | * between the runlevels 0 and 6 and just add them to the |
3535 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3536 | * also used for shutdown, so we add links for that too to the | |
3537 | * shutdown target.*/ | |
3538 | SET_FOREACH(service, shutdown_services, j) { | |
3539 | service = unit_follow_merge(service); | |
3540 | ||
ac155bb8 | 3541 | if (service->fragment_path) |
c68364b7 LP |
3542 | continue; |
3543 | ||
ead8e478 | 3544 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3545 | goto finish; |
3546 | } | |
3547 | ||
2c4104f0 LP |
3548 | r = 0; |
3549 | ||
de3910a3 | 3550 | #ifdef TARGET_SUSE |
3a111838 | 3551 | sysv_facility_in_insserv_conf (m); |
de3910a3 FC |
3552 | #endif |
3553 | ||
2c4104f0 LP |
3554 | finish: |
3555 | free(path); | |
3556 | free(fpath); | |
3557 | free(name); | |
fbe9f3a9 | 3558 | |
c68364b7 LP |
3559 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3560 | set_free(runlevel_services[i]); | |
3561 | set_free(shutdown_services); | |
3562 | ||
fbe9f3a9 LP |
3563 | if (d) |
3564 | closedir(d); | |
2c4104f0 LP |
3565 | |
3566 | return r; | |
3567 | } | |
07459bb6 | 3568 | #endif |
2c4104f0 | 3569 | |
05e343b7 LP |
3570 | static void service_bus_name_owner_change( |
3571 | Unit *u, | |
3572 | const char *name, | |
3573 | const char *old_owner, | |
3574 | const char *new_owner) { | |
3575 | ||
3576 | Service *s = SERVICE(u); | |
3577 | ||
3578 | assert(s); | |
3579 | assert(name); | |
3580 | ||
3581 | assert(streq(s->bus_name, name)); | |
3582 | assert(old_owner || new_owner); | |
3583 | ||
3584 | if (old_owner && new_owner) | |
ac155bb8 | 3585 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner); |
05e343b7 | 3586 | else if (old_owner) |
ac155bb8 | 3587 | log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner); |
05e343b7 | 3588 | else |
ac155bb8 | 3589 | log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner); |
05e343b7 LP |
3590 | |
3591 | s->bus_name_good = !!new_owner; | |
3592 | ||
3593 | if (s->type == SERVICE_DBUS) { | |
3594 | ||
3595 | /* service_enter_running() will figure out what to | |
3596 | * do */ | |
3597 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3598 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3599 | else if (s->state == SERVICE_START && new_owner) |
3600 | service_enter_start_post(s); | |
3601 | ||
3602 | } else if (new_owner && | |
3603 | s->main_pid <= 0 && | |
3604 | (s->state == SERVICE_START || | |
3605 | s->state == SERVICE_START_POST || | |
3606 | s->state == SERVICE_RUNNING || | |
3607 | s->state == SERVICE_RELOAD)) { | |
3608 | ||
3609 | /* Try to acquire PID from bus service */ | |
3610 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3611 | ||
ac155bb8 | 3612 | bus_query_pid(u->manager, name); |
05e343b7 LP |
3613 | } |
3614 | } | |
3615 | ||
3616 | static void service_bus_query_pid_done( | |
3617 | Unit *u, | |
3618 | const char *name, | |
3619 | pid_t pid) { | |
3620 | ||
3621 | Service *s = SERVICE(u); | |
3622 | ||
3623 | assert(s); | |
3624 | assert(name); | |
3625 | ||
ac155bb8 | 3626 | log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid); |
05e343b7 LP |
3627 | |
3628 | if (s->main_pid <= 0 && | |
3629 | (s->state == SERVICE_START || | |
3630 | s->state == SERVICE_START_POST || | |
3631 | s->state == SERVICE_RUNNING || | |
3632 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3633 | service_set_main_pid(s, pid); |
05e343b7 LP |
3634 | } |
3635 | ||
6cf6bbc2 | 3636 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
57020a3a | 3637 | |
4f2d528d LP |
3638 | assert(s); |
3639 | assert(fd >= 0); | |
3640 | ||
3641 | /* This is called by the socket code when instantiating a new | |
3642 | * service for a stream socket and the socket needs to be | |
3643 | * configured. */ | |
3644 | ||
1124fe6f | 3645 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3646 | return -EINVAL; |
3647 | ||
3648 | if (s->socket_fd >= 0) | |
3649 | return -EBUSY; | |
3650 | ||
3651 | if (s->state != SERVICE_DEAD) | |
3652 | return -EAGAIN; | |
3653 | ||
3654 | s->socket_fd = fd; | |
701cc384 | 3655 | s->got_socket_fd = true; |
6cf6bbc2 | 3656 | |
57020a3a LP |
3657 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3658 | ||
3659 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3660 | } |
3661 | ||
fdf20a31 | 3662 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3663 | Service *s = SERVICE(u); |
3664 | ||
3665 | assert(s); | |
3666 | ||
fdf20a31 | 3667 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3668 | service_set_state(s, SERVICE_DEAD); |
3669 | ||
f42806df LP |
3670 | s->result = SERVICE_SUCCESS; |
3671 | s->reload_result = SERVICE_SUCCESS; | |
451b34cc LP |
3672 | |
3673 | RATELIMIT_RESET(s->start_limit); | |
5632e374 LP |
3674 | } |
3675 | ||
8a0867d6 LP |
3676 | static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { |
3677 | Service *s = SERVICE(u); | |
3678 | int r = 0; | |
3679 | Set *pid_set = NULL; | |
3680 | ||
3681 | assert(s); | |
3682 | ||
3683 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3684 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
a17204af | 3685 | return -ESRCH; |
8a0867d6 LP |
3686 | } |
3687 | ||
3688 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3689 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
a17204af | 3690 | return -ESRCH; |
8a0867d6 LP |
3691 | } |
3692 | ||
3611581e LP |
3693 | if (who == KILL_CONTROL || who == KILL_ALL) |
3694 | if (s->control_pid > 0) | |
3695 | if (kill(s->control_pid, signo) < 0) | |
3696 | r = -errno; | |
8a0867d6 | 3697 | |
3611581e LP |
3698 | if (who == KILL_MAIN || who == KILL_ALL) |
3699 | if (s->main_pid > 0) | |
3700 | if (kill(s->main_pid, signo) < 0) | |
3701 | r = -errno; | |
8a0867d6 | 3702 | |
3611581e | 3703 | if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) { |
8a0867d6 LP |
3704 | int q; |
3705 | ||
3706 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) | |
3707 | return -ENOMEM; | |
3708 | ||
3709 | /* Exclude the control/main pid from being killed via the cgroup */ | |
3710 | if (s->control_pid > 0) | |
3711 | if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { | |
3712 | r = q; | |
3713 | goto finish; | |
3714 | } | |
3715 | ||
3716 | if (s->main_pid > 0) | |
3717 | if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) { | |
3718 | r = q; | |
3719 | goto finish; | |
3720 | } | |
88f3e0c9 | 3721 | q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL); |
ecedd90f | 3722 | if (q < 0) |
3611581e | 3723 | if (q != -EAGAIN && q != -ESRCH && q != -ENOENT) |
8a0867d6 LP |
3724 | r = q; |
3725 | } | |
3726 | ||
3727 | finish: | |
3728 | if (pid_set) | |
3729 | set_free(pid_set); | |
3730 | ||
3731 | return r; | |
3732 | } | |
3733 | ||
94f04347 LP |
3734 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3735 | [SERVICE_DEAD] = "dead", | |
3736 | [SERVICE_START_PRE] = "start-pre", | |
3737 | [SERVICE_START] = "start", | |
3738 | [SERVICE_START_POST] = "start-post", | |
3739 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3740 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3741 | [SERVICE_RELOAD] = "reload", |
3742 | [SERVICE_STOP] = "stop", | |
3743 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3744 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3745 | [SERVICE_STOP_POST] = "stop-post", | |
3746 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3747 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3748 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3749 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3750 | }; | |
3751 | ||
3752 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3753 | ||
3754 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3755 | [SERVICE_RESTART_NO] = "no", |
3756 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3757 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3758 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3759 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3760 | }; |
3761 | ||
3762 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3763 | ||
3764 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3765 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3766 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3767 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3768 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3769 | [SERVICE_NOTIFY] = "notify", |
3770 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3771 | }; |
3772 | ||
3773 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3774 | ||
e537352b | 3775 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3776 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3777 | [SERVICE_EXEC_START] = "ExecStart", | |
3778 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3779 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3780 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3781 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3782 | }; | |
3783 | ||
3784 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3785 | ||
c952c6ec LP |
3786 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3787 | [NOTIFY_NONE] = "none", | |
3788 | [NOTIFY_MAIN] = "main", | |
3789 | [NOTIFY_ALL] = "all" | |
3790 | }; | |
3791 | ||
3792 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3793 | ||
f42806df LP |
3794 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3795 | [SERVICE_SUCCESS] = "success", | |
3796 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3797 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3798 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3799 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b MO |
3800 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
3801 | [SERVICE_FAILURE_WATCHDOG] = "watchdog" | |
f42806df LP |
3802 | }; |
3803 | ||
3804 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3805 | ||
4b939747 MO |
3806 | static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = { |
3807 | [SERVICE_START_LIMIT_NONE] = "none", | |
3808 | [SERVICE_START_LIMIT_REBOOT] = "reboot", | |
3809 | [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force", | |
3810 | [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate" | |
3811 | }; | |
3812 | DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction); | |
3813 | ||
87f0e418 | 3814 | const UnitVTable service_vtable = { |
7d17cfbc | 3815 | .object_size = sizeof(Service), |
f975e971 LP |
3816 | .sections = |
3817 | "Unit\0" | |
3818 | "Service\0" | |
3819 | "Install\0", | |
5cb5a6ff | 3820 | |
034c6ed7 LP |
3821 | .init = service_init, |
3822 | .done = service_done, | |
a16e1123 LP |
3823 | .load = service_load, |
3824 | ||
3825 | .coldplug = service_coldplug, | |
034c6ed7 | 3826 | |
5cb5a6ff LP |
3827 | .dump = service_dump, |
3828 | ||
3829 | .start = service_start, | |
3830 | .stop = service_stop, | |
3831 | .reload = service_reload, | |
3832 | ||
034c6ed7 LP |
3833 | .can_reload = service_can_reload, |
3834 | ||
8a0867d6 LP |
3835 | .kill = service_kill, |
3836 | ||
a16e1123 LP |
3837 | .serialize = service_serialize, |
3838 | .deserialize_item = service_deserialize_item, | |
3839 | ||
5cb5a6ff | 3840 | .active_state = service_active_state, |
10a94420 | 3841 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3842 | |
701cc384 LP |
3843 | .check_gc = service_check_gc, |
3844 | .check_snapshot = service_check_snapshot, | |
3845 | ||
034c6ed7 LP |
3846 | .sigchld_event = service_sigchld_event, |
3847 | .timer_event = service_timer_event, | |
3a111838 | 3848 | .fd_event = service_fd_event, |
2c4104f0 | 3849 | |
fdf20a31 | 3850 | .reset_failed = service_reset_failed, |
5632e374 | 3851 | |
8e274523 | 3852 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3853 | .notify_message = service_notify_message, |
8e274523 | 3854 | |
05e343b7 LP |
3855 | .bus_name_owner_change = service_bus_name_owner_change, |
3856 | .bus_query_pid_done = service_bus_query_pid_done, | |
3857 | ||
c4e2ceae | 3858 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3859 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3860 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3861 | |
07459bb6 | 3862 | #ifdef HAVE_SYSV_COMPAT |
c6918296 | 3863 | .enumerate = service_enumerate, |
07459bb6 | 3864 | #endif |
c6918296 MS |
3865 | .status_message_formats = { |
3866 | .starting_stopping = { | |
3867 | [0] = "Starting %s...", | |
3868 | [1] = "Stopping %s...", | |
3869 | }, | |
3870 | .finished_start_job = { | |
3871 | [JOB_DONE] = "Started %s.", | |
3872 | [JOB_FAILED] = "Failed to start %s.", | |
3873 | [JOB_DEPENDENCY] = "Dependency failed for %s.", | |
3874 | [JOB_TIMEOUT] = "Timed out starting %s.", | |
3875 | }, | |
3876 | .finished_stop_job = { | |
3877 | [JOB_DONE] = "Stopped %s.", | |
3878 | [JOB_FAILED] = "Stopped (with error) %s.", | |
3879 | [JOB_TIMEOUT] = "Timed out stopping %s.", | |
3880 | }, | |
3881 | }, | |
5cb5a6ff | 3882 | }; |