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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); | |
a16e1123 | 156 | |
4b939747 | 157 | RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5); |
a16e1123 LP |
158 | |
159 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
160 | } | |
161 | ||
5e94833f LP |
162 | static void service_unwatch_control_pid(Service *s) { |
163 | assert(s); | |
164 | ||
165 | if (s->control_pid <= 0) | |
166 | return; | |
167 | ||
168 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
169 | s->control_pid = 0; | |
170 | } | |
171 | ||
172 | static void service_unwatch_main_pid(Service *s) { | |
173 | assert(s); | |
174 | ||
175 | if (s->main_pid <= 0) | |
176 | return; | |
177 | ||
178 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
179 | s->main_pid = 0; | |
180 | } | |
181 | ||
3e52541e MS |
182 | static void service_unwatch_pid_file(Service *s) { |
183 | if (!s->pid_file_pathspec) | |
184 | return; | |
185 | ||
186 | log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); | |
187 | path_spec_unwatch(s->pid_file_pathspec, UNIT(s)); | |
188 | path_spec_done(s->pid_file_pathspec); | |
189 | free(s->pid_file_pathspec); | |
190 | s->pid_file_pathspec = NULL; | |
191 | } | |
192 | ||
5925dd3c | 193 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
194 | pid_t ppid; |
195 | ||
5925dd3c LP |
196 | assert(s); |
197 | ||
198 | if (pid <= 1) | |
199 | return -EINVAL; | |
200 | ||
201 | if (pid == getpid()) | |
202 | return -EINVAL; | |
203 | ||
6dfa5494 LP |
204 | s->main_pid = pid; |
205 | s->main_pid_known = true; | |
206 | ||
207 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) { | |
e55224ca | 208 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", |
1124fe6f | 209 | UNIT(s)->id, (unsigned long) pid); |
e55224ca | 210 | |
6dfa5494 LP |
211 | s->main_pid_alien = true; |
212 | } else | |
213 | s->main_pid_alien = false; | |
5925dd3c | 214 | |
b58b4116 LP |
215 | exec_status_start(&s->main_exec_status, pid); |
216 | ||
5925dd3c LP |
217 | return 0; |
218 | } | |
219 | ||
4f2d528d LP |
220 | static void service_close_socket_fd(Service *s) { |
221 | assert(s); | |
222 | ||
223 | if (s->socket_fd < 0) | |
224 | return; | |
225 | ||
226 | close_nointr_nofail(s->socket_fd); | |
227 | s->socket_fd = -1; | |
228 | } | |
229 | ||
6cf6bbc2 LP |
230 | static void service_connection_unref(Service *s) { |
231 | assert(s); | |
232 | ||
57020a3a | 233 | if (!UNIT_DEREF(s->accept_socket)) |
6cf6bbc2 LP |
234 | return; |
235 | ||
57020a3a LP |
236 | socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket))); |
237 | unit_ref_unset(&s->accept_socket); | |
6cf6bbc2 LP |
238 | } |
239 | ||
a6927d7f MO |
240 | static void service_stop_watchdog(Service *s) { |
241 | assert(s); | |
242 | ||
bb242b7b | 243 | unit_unwatch_timer(UNIT(s), &s->watchdog_watch); |
a6927d7f MO |
244 | s->watchdog_timestamp.realtime = 0; |
245 | s->watchdog_timestamp.monotonic = 0; | |
246 | } | |
247 | ||
bb242b7b MO |
248 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart); |
249 | ||
250 | static void service_handle_watchdog(Service *s) { | |
251 | usec_t offset; | |
252 | int r; | |
253 | ||
254 | assert(s); | |
255 | ||
256 | if (s->watchdog_usec == 0) | |
257 | return; | |
258 | ||
259 | offset = now(CLOCK_MONOTONIC) - s->watchdog_timestamp.monotonic; | |
260 | if (offset >= s->watchdog_usec) { | |
261 | log_error("%s watchdog timeout!", UNIT(s)->id); | |
262 | service_enter_dead(s, SERVICE_FAILURE_WATCHDOG, true); | |
263 | return; | |
264 | } | |
265 | ||
266 | r = unit_watch_timer(UNIT(s), s->watchdog_usec - offset, &s->watchdog_watch); | |
267 | if (r < 0) | |
268 | log_warning("%s failed to install watchdog timer: %s", UNIT(s)->id, strerror(-r)); | |
269 | } | |
270 | ||
a6927d7f MO |
271 | static void service_reset_watchdog(Service *s) { |
272 | assert(s); | |
273 | ||
274 | dual_timestamp_get(&s->watchdog_timestamp); | |
bb242b7b | 275 | service_handle_watchdog(s); |
a6927d7f MO |
276 | } |
277 | ||
87f0e418 LP |
278 | static void service_done(Unit *u) { |
279 | Service *s = SERVICE(u); | |
44d8db9e LP |
280 | |
281 | assert(s); | |
282 | ||
283 | free(s->pid_file); | |
284 | s->pid_file = NULL; | |
285 | ||
07459bb6 | 286 | #ifdef HAVE_SYSV_COMPAT |
8309400a LP |
287 | free(s->sysv_runlevels); |
288 | s->sysv_runlevels = NULL; | |
07459bb6 | 289 | #endif |
8309400a | 290 | |
8c47c732 LP |
291 | free(s->status_text); |
292 | s->status_text = NULL; | |
293 | ||
44d8db9e | 294 | exec_context_done(&s->exec_context); |
e537352b | 295 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e | 296 | s->control_command = NULL; |
867b3b7d | 297 | s->main_command = NULL; |
44d8db9e LP |
298 | |
299 | /* This will leak a process, but at least no memory or any of | |
300 | * our resources */ | |
5e94833f LP |
301 | service_unwatch_main_pid(s); |
302 | service_unwatch_control_pid(s); | |
3e52541e | 303 | service_unwatch_pid_file(s); |
44d8db9e | 304 | |
05e343b7 | 305 | if (s->bus_name) { |
ac155bb8 | 306 | unit_unwatch_bus_name(u, s->bus_name); |
05e343b7 LP |
307 | free(s->bus_name); |
308 | s->bus_name = NULL; | |
309 | } | |
310 | ||
4f2d528d | 311 | service_close_socket_fd(s); |
6cf6bbc2 | 312 | service_connection_unref(s); |
4f2d528d | 313 | |
57020a3a | 314 | unit_ref_unset(&s->accept_socket); |
f976f3f6 | 315 | |
bb242b7b MO |
316 | service_stop_watchdog(s); |
317 | ||
acbb0225 | 318 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
319 | } |
320 | ||
07459bb6 | 321 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
322 | static char *sysv_translate_name(const char *name) { |
323 | char *r; | |
324 | ||
325 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
326 | return NULL; | |
327 | ||
1bd8b818 | 328 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 MB |
329 | if (endswith(name, ".sh")) |
330 | /* Drop Debian-style .sh suffix */ | |
331 | strcpy(stpcpy(r, name) - 3, ".service"); | |
332 | #endif | |
333 | #ifdef TARGET_SUSE | |
b7ccee3c LP |
334 | if (startswith(name, "boot.")) |
335 | /* Drop SuSE-style boot. prefix */ | |
336 | strcpy(stpcpy(r, name + 5), ".service"); | |
5b819198 | 337 | #endif |
65530632 | 338 | #ifdef TARGET_FRUGALWARE |
5b819198 | 339 | if (startswith(name, "rc.")) |
65530632 MV |
340 | /* Drop Frugalware-style rc. prefix */ |
341 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 342 | #endif |
b7ccee3c LP |
343 | else |
344 | /* Normal init scripts */ | |
345 | strcpy(stpcpy(r, name), ".service"); | |
346 | ||
347 | return r; | |
348 | } | |
349 | ||
ee95669f | 350 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 351 | |
a7d3cc26 LP |
352 | /* We silently ignore the $ prefix here. According to the LSB |
353 | * spec it simply indicates whether something is a | |
354 | * standardized name or a distribution-specific one. Since we | |
355 | * just follow what already exists and do not introduce new | |
356 | * uses or names we don't care who introduced a new name. */ | |
357 | ||
2c4104f0 | 358 | static const char * const table[] = { |
6464aa08 | 359 | /* LSB defined facilities */ |
a7d3cc26 | 360 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
6fdae8a6 DM |
361 | #if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA) |
362 | #else | |
8d0e38a2 LP |
363 | /* Due to unfortunate name selection in Mandriva, |
364 | * $network is provided by network-up which is ordered | |
365 | * after network which actually starts interfaces. | |
366 | * To break the loop, just ignore it */ | |
a7d3cc26 | 367 | "network", SPECIAL_NETWORK_TARGET, |
1de4d79b | 368 | #endif |
a7d3cc26 LP |
369 | "named", SPECIAL_NSS_LOOKUP_TARGET, |
370 | "portmap", SPECIAL_RPCBIND_TARGET, | |
371 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
372 | "syslog", SPECIAL_SYSLOG_TARGET, | |
4466194c | 373 | "time", SPECIAL_TIME_SYNC_TARGET, |
6464aa08 | 374 | |
0b603b4e KS |
375 | /* common extensions */ |
376 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
377 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
378 | "null", NULL, | |
379 | ||
1bd8b818 | 380 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
a7d3cc26 | 381 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 382 | #endif |
3177a49c LP |
383 | |
384 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
385 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
386 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
387 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 388 | #endif |
a7d3cc26 | 389 | |
0b603b4e KS |
390 | #ifdef TARGET_SUSE |
391 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
392 | #endif | |
2c4104f0 LP |
393 | }; |
394 | ||
395 | unsigned i; | |
396 | char *r; | |
ee95669f | 397 | const char *n; |
2c4104f0 | 398 | |
ee95669f LP |
399 | assert(name); |
400 | assert(_r); | |
a7d3cc26 | 401 | |
ee95669f | 402 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 403 | |
ee95669f | 404 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 405 | |
ee95669f LP |
406 | if (!streq(table[i], n)) |
407 | continue; | |
2c4104f0 | 408 | |
ee95669f LP |
409 | if (!table[i+1]) |
410 | return 0; | |
411 | ||
412 | if (!(r = strdup(table[i+1]))) | |
413 | return -ENOMEM; | |
414 | ||
415 | goto finish; | |
416 | } | |
2c4104f0 | 417 | |
a7d3cc26 | 418 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 419 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 420 | |
e83c7c0b LP |
421 | if (*name == '$') { |
422 | if (!unit_prefix_is_valid(n)) | |
423 | return -EINVAL; | |
424 | ||
ee95669f LP |
425 | /* Facilities starting with $ are most likely targets */ |
426 | r = unit_name_build(n, NULL, ".target"); | |
e83c7c0b | 427 | } else if (filename && streq(name, filename)) |
35b8ca3a | 428 | /* Names equaling the file name of the services are redundant */ |
ee95669f | 429 | return 0; |
32159d3a | 430 | else |
ee95669f LP |
431 | /* Everything else we assume to be normal service names */ |
432 | r = sysv_translate_name(n); | |
2c4104f0 | 433 | |
32159d3a | 434 | if (!r) |
2c4104f0 LP |
435 | return -ENOMEM; |
436 | ||
437 | finish: | |
b4353094 | 438 | *_r = r; |
2c4104f0 LP |
439 | |
440 | return 1; | |
441 | } | |
442 | ||
56d748b4 | 443 | static int sysv_fix_order(Service *s) { |
ac155bb8 | 444 | Unit *other; |
2c4104f0 LP |
445 | int r; |
446 | ||
447 | assert(s); | |
448 | ||
449 | if (s->sysv_start_priority < 0) | |
450 | return 0; | |
451 | ||
23a177ef LP |
452 | /* For each pair of services where at least one lacks a LSB |
453 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 454 | |
1124fe6f | 455 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
2c4104f0 LP |
456 | Service *t; |
457 | UnitDependency d; | |
eeaafddc | 458 | bool special_s, special_t; |
2c4104f0 | 459 | |
595ed347 | 460 | t = SERVICE(other); |
2c4104f0 LP |
461 | |
462 | if (s == t) | |
463 | continue; | |
9f151f29 | 464 | |
1124fe6f | 465 | if (UNIT(t)->load_state != UNIT_LOADED) |
9f151f29 | 466 | continue; |
2c4104f0 LP |
467 | |
468 | if (t->sysv_start_priority < 0) | |
469 | continue; | |
470 | ||
51a1a79d LP |
471 | /* If both units have modern headers we don't care |
472 | * about the priorities */ | |
1124fe6f MS |
473 | if ((UNIT(s)->fragment_path || s->sysv_has_lsb) && |
474 | (UNIT(t)->fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
475 | continue; |
476 | ||
eeaafddc LP |
477 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
478 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
479 | ||
480 | if (special_t && !special_s) | |
481 | d = UNIT_AFTER; | |
482 | else if (special_s && !special_t) | |
483 | d = UNIT_BEFORE; | |
484 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
485 | d = UNIT_AFTER; |
486 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
487 | d = UNIT_BEFORE; | |
488 | else | |
489 | continue; | |
490 | ||
491 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
492 | ||
da19d5c1 | 493 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
494 | return r; |
495 | } | |
496 | ||
497 | return 0; | |
498 | } | |
499 | ||
500 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
501 | ExecCommand *c; | |
502 | ||
503 | if (!(c = new0(ExecCommand, 1))) | |
504 | return NULL; | |
505 | ||
506 | if (!(c->path = strdup(path))) { | |
507 | free(c); | |
508 | return NULL; | |
509 | } | |
510 | ||
511 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
512 | free(c->path); | |
513 | free(c); | |
514 | return NULL; | |
515 | } | |
516 | ||
517 | return c; | |
518 | } | |
519 | ||
520 | static int sysv_exec_commands(Service *s) { | |
521 | ExecCommand *c; | |
522 | ||
523 | assert(s); | |
1b64d026 LP |
524 | assert(s->is_sysv); |
525 | assert(UNIT(s)->source_path); | |
2c4104f0 | 526 | |
1b64d026 LP |
527 | c = exec_command_new(UNIT(s)->source_path, "start"); |
528 | if (!c) | |
2c4104f0 LP |
529 | return -ENOMEM; |
530 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
531 | ||
1b64d026 LP |
532 | c = exec_command_new(UNIT(s)->source_path, "stop"); |
533 | if (!c) | |
2c4104f0 LP |
534 | return -ENOMEM; |
535 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
536 | ||
1b64d026 LP |
537 | c = exec_command_new(UNIT(s)->source_path, "reload"); |
538 | if (!c) | |
2c4104f0 LP |
539 | return -ENOMEM; |
540 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
541 | ||
542 | return 0; | |
543 | } | |
544 | ||
e537352b | 545 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
546 | FILE *f; |
547 | Unit *u; | |
548 | unsigned line = 0; | |
549 | int r; | |
550 | enum { | |
551 | NORMAL, | |
552 | DESCRIPTION, | |
553 | LSB, | |
554 | LSB_DESCRIPTION | |
555 | } state = NORMAL; | |
0b5d26f9 | 556 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
5f4b19f4 | 557 | struct stat st; |
23a177ef LP |
558 | |
559 | assert(s); | |
560 | assert(path); | |
2c4104f0 LP |
561 | |
562 | u = UNIT(s); | |
563 | ||
1b64d026 LP |
564 | f = fopen(path, "re"); |
565 | if (!f) { | |
2c4104f0 LP |
566 | r = errno == ENOENT ? 0 : -errno; |
567 | goto finish; | |
568 | } | |
569 | ||
5f4b19f4 LP |
570 | zero(st); |
571 | if (fstat(fileno(f), &st) < 0) { | |
572 | r = -errno; | |
573 | goto finish; | |
574 | } | |
575 | ||
1b64d026 LP |
576 | free(u->source_path); |
577 | u->source_path = strdup(path); | |
578 | if (!u->source_path) { | |
2c4104f0 LP |
579 | r = -ENOMEM; |
580 | goto finish; | |
581 | } | |
1b64d026 | 582 | u->source_mtime = timespec_load(&st.st_mtim); |
5f4b19f4 LP |
583 | |
584 | if (null_or_empty(&st)) { | |
ac155bb8 | 585 | u->load_state = UNIT_MASKED; |
5f4b19f4 LP |
586 | r = 0; |
587 | goto finish; | |
588 | } | |
589 | ||
1b64d026 LP |
590 | s->is_sysv = true; |
591 | ||
2c4104f0 LP |
592 | while (!feof(f)) { |
593 | char l[LINE_MAX], *t; | |
594 | ||
595 | if (!fgets(l, sizeof(l), f)) { | |
596 | if (feof(f)) | |
597 | break; | |
598 | ||
599 | r = -errno; | |
600 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
601 | goto finish; | |
602 | } | |
603 | ||
604 | line++; | |
605 | ||
606 | t = strstrip(l); | |
607 | if (*t != '#') | |
608 | continue; | |
609 | ||
610 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
611 | state = LSB; | |
23a177ef | 612 | s->sysv_has_lsb = true; |
2c4104f0 LP |
613 | continue; |
614 | } | |
615 | ||
616 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
617 | state = NORMAL; | |
618 | continue; | |
619 | } | |
620 | ||
621 | t++; | |
622 | t += strspn(t, WHITESPACE); | |
623 | ||
624 | if (state == NORMAL) { | |
625 | ||
626 | /* Try to parse Red Hat style chkconfig headers */ | |
627 | ||
c2b35af6 | 628 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 629 | int start_priority; |
8309400a | 630 | char runlevels[16], *k; |
2c4104f0 LP |
631 | |
632 | state = NORMAL; | |
633 | ||
8309400a LP |
634 | if (sscanf(t+10, "%15s %i %*i", |
635 | runlevels, | |
636 | &start_priority) != 2) { | |
2c4104f0 LP |
637 | |
638 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
639 | continue; | |
640 | } | |
641 | ||
fbe9f3a9 LP |
642 | /* A start priority gathered from the |
643 | * symlink farms is preferred over the | |
644 | * data from the LSB header. */ | |
8309400a | 645 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 646 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
ea87ca5a | 647 | else |
8309400a LP |
648 | s->sysv_start_priority = start_priority; |
649 | ||
650 | char_array_0(runlevels); | |
651 | k = delete_chars(runlevels, WHITESPACE "-"); | |
652 | ||
653 | if (k[0]) { | |
654 | char *d; | |
655 | ||
656 | if (!(d = strdup(k))) { | |
657 | r = -ENOMEM; | |
658 | goto finish; | |
659 | } | |
660 | ||
661 | free(s->sysv_runlevels); | |
662 | s->sysv_runlevels = d; | |
2c4104f0 LP |
663 | } |
664 | ||
0b5d26f9 | 665 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
666 | |
667 | size_t k = strlen(t); | |
668 | char *d; | |
0b5d26f9 | 669 | const char *j; |
2c4104f0 LP |
670 | |
671 | if (t[k-1] == '\\') { | |
672 | state = DESCRIPTION; | |
673 | t[k-1] = 0; | |
674 | } | |
675 | ||
0b5d26f9 LP |
676 | if ((j = strstrip(t+12)) && *j) { |
677 | if (!(d = strdup(j))) { | |
678 | r = -ENOMEM; | |
679 | goto finish; | |
680 | } | |
681 | } else | |
682 | d = NULL; | |
2c4104f0 | 683 | |
0b5d26f9 LP |
684 | free(chkconfig_description); |
685 | chkconfig_description = d; | |
2c4104f0 | 686 | |
c2b35af6 | 687 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
688 | |
689 | char *fn; | |
690 | ||
691 | state = NORMAL; | |
692 | ||
693 | fn = strstrip(t+8); | |
694 | if (!path_is_absolute(fn)) { | |
695 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
696 | continue; | |
697 | } | |
698 | ||
699 | if (!(fn = strdup(fn))) { | |
700 | r = -ENOMEM; | |
701 | goto finish; | |
702 | } | |
703 | ||
704 | free(s->pid_file); | |
705 | s->pid_file = fn; | |
706 | } | |
707 | ||
708 | } else if (state == DESCRIPTION) { | |
709 | ||
710 | /* Try to parse Red Hat style description | |
711 | * continuation */ | |
712 | ||
713 | size_t k = strlen(t); | |
0b5d26f9 | 714 | char *j; |
2c4104f0 LP |
715 | |
716 | if (t[k-1] == '\\') | |
717 | t[k-1] = 0; | |
718 | else | |
719 | state = NORMAL; | |
720 | ||
0b5d26f9 LP |
721 | if ((j = strstrip(t)) && *j) { |
722 | char *d = NULL; | |
723 | ||
724 | if (chkconfig_description) | |
44d91056 | 725 | d = join(chkconfig_description, " ", j, NULL); |
0b5d26f9 LP |
726 | else |
727 | d = strdup(j); | |
2c4104f0 | 728 | |
0b5d26f9 LP |
729 | if (!d) { |
730 | r = -ENOMEM; | |
731 | goto finish; | |
732 | } | |
733 | ||
734 | free(chkconfig_description); | |
735 | chkconfig_description = d; | |
736 | } | |
2c4104f0 LP |
737 | |
738 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
739 | ||
c2b35af6 | 740 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
741 | char *i, *w; |
742 | size_t z; | |
743 | ||
744 | state = LSB; | |
745 | ||
f60f22df | 746 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
747 | char *n, *m; |
748 | ||
749 | if (!(n = strndup(w, z))) { | |
750 | r = -ENOMEM; | |
751 | goto finish; | |
752 | } | |
753 | ||
9eb977db | 754 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 LP |
755 | free(n); |
756 | ||
757 | if (r < 0) | |
758 | goto finish; | |
759 | ||
760 | if (r == 0) | |
761 | continue; | |
762 | ||
bd77d0fc LP |
763 | if (unit_name_to_type(m) == UNIT_SERVICE) |
764 | r = unit_add_name(u, m); | |
9700edb4 LP |
765 | else |
766 | /* NB: SysV targets | |
767 | * which are provided | |
768 | * by a service are | |
769 | * pulled in by the | |
770 | * services, as an | |
771 | * indication that the | |
772 | * generic service is | |
773 | * now available. This | |
774 | * is strictly | |
775 | * one-way. The | |
776 | * targets do NOT pull | |
777 | * in the SysV | |
778 | * services! */ | |
779 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true); | |
bd77d0fc | 780 | |
2c4104f0 | 781 | if (r < 0) |
43a37549 | 782 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
783 | |
784 | free(m); | |
2c4104f0 LP |
785 | } |
786 | ||
c2b35af6 LP |
787 | } else if (startswith_no_case(t, "Required-Start:") || |
788 | startswith_no_case(t, "Should-Start:") || | |
789 | startswith_no_case(t, "X-Start-Before:") || | |
790 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
791 | char *i, *w; |
792 | size_t z; | |
793 | ||
794 | state = LSB; | |
795 | ||
f60f22df | 796 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
797 | char *n, *m; |
798 | ||
799 | if (!(n = strndup(w, z))) { | |
800 | r = -ENOMEM; | |
801 | goto finish; | |
802 | } | |
803 | ||
9eb977db | 804 | r = sysv_translate_facility(n, path_get_file_name(path), &m); |
2c4104f0 | 805 | |
e83c7c0b LP |
806 | if (r < 0) { |
807 | log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r)); | |
808 | free(n); | |
809 | continue; | |
810 | } | |
811 | ||
812 | free(n); | |
2c4104f0 LP |
813 | |
814 | if (r == 0) | |
815 | continue; | |
816 | ||
c2b35af6 | 817 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
818 | |
819 | if (r < 0) | |
43a37549 | 820 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
821 | |
822 | free(m); | |
2c4104f0 | 823 | } |
c2b35af6 | 824 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
825 | char *k, *d; |
826 | ||
827 | state = LSB; | |
828 | ||
829 | k = delete_chars(t+14, WHITESPACE "-"); | |
830 | ||
831 | if (k[0] != 0) { | |
832 | if (!(d = strdup(k))) { | |
833 | r = -ENOMEM; | |
834 | goto finish; | |
835 | } | |
836 | ||
837 | free(s->sysv_runlevels); | |
838 | s->sysv_runlevels = d; | |
839 | } | |
2c4104f0 | 840 | |
0b5d26f9 LP |
841 | } else if (startswith_no_case(t, "Description:")) { |
842 | char *d, *j; | |
ed4c1cc6 | 843 | |
2c4104f0 LP |
844 | state = LSB_DESCRIPTION; |
845 | ||
0b5d26f9 LP |
846 | if ((j = strstrip(t+12)) && *j) { |
847 | if (!(d = strdup(j))) { | |
848 | r = -ENOMEM; | |
849 | goto finish; | |
850 | } | |
851 | } else | |
852 | d = NULL; | |
2c4104f0 | 853 | |
0b5d26f9 LP |
854 | free(long_description); |
855 | long_description = d; | |
2c4104f0 | 856 | |
ed4c1cc6 | 857 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 858 | char *d, *j; |
2c4104f0 | 859 | |
2c4104f0 LP |
860 | state = LSB; |
861 | ||
0b5d26f9 LP |
862 | if ((j = strstrip(t+18)) && *j) { |
863 | if (!(d = strdup(j))) { | |
864 | r = -ENOMEM; | |
865 | goto finish; | |
866 | } | |
867 | } else | |
868 | d = NULL; | |
2c4104f0 | 869 | |
0b5d26f9 LP |
870 | free(short_description); |
871 | short_description = d; | |
2c4104f0 LP |
872 | |
873 | } else if (state == LSB_DESCRIPTION) { | |
874 | ||
875 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 876 | char *j; |
2c4104f0 | 877 | |
0b5d26f9 LP |
878 | if ((j = strstrip(t)) && *j) { |
879 | char *d = NULL; | |
880 | ||
881 | if (long_description) | |
44d91056 | 882 | d = join(long_description, " ", t, NULL); |
0b5d26f9 LP |
883 | else |
884 | d = strdup(j); | |
885 | ||
886 | if (!d) { | |
887 | r = -ENOMEM; | |
888 | goto finish; | |
889 | } | |
890 | ||
891 | free(long_description); | |
892 | long_description = d; | |
2c4104f0 LP |
893 | } |
894 | ||
2c4104f0 LP |
895 | } else |
896 | state = LSB; | |
897 | } | |
898 | } | |
899 | } | |
900 | ||
2c4104f0 LP |
901 | if ((r = sysv_exec_commands(s)) < 0) |
902 | goto finish; | |
e51db373 TFH |
903 | if (s->sysv_runlevels && |
904 | chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) && | |
905 | chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { | |
906 | /* Service has both boot and "up" runlevels | |
907 | configured. Kill the "up" ones. */ | |
908 | delete_chars(s->sysv_runlevels, RUNLEVELS_UP); | |
909 | } | |
2c4104f0 | 910 | |
a40eb732 | 911 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
912 | /* If there a runlevels configured for this service |
913 | * but none of the standard ones, then we assume this | |
914 | * is some special kind of service (which might be | |
915 | * needed for early boot) and don't create any links | |
916 | * to it. */ | |
917 | ||
1124fe6f | 918 | UNIT(s)->default_dependencies = false; |
09cd1ab1 | 919 | |
09cd1ab1 LP |
920 | /* Don't timeout special services during boot (like fsck) */ |
921 | s->timeout_usec = 0; | |
f34277d9 LP |
922 | } else |
923 | s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
0fd030be | 924 | |
80876c20 | 925 | /* Special setting for all SysV services */ |
1f48cf56 | 926 | s->type = SERVICE_FORKING; |
f8788303 | 927 | s->remain_after_exit = !s->pid_file; |
1835f23c | 928 | s->guess_main_pid = false; |
525ee6f4 | 929 | s->restart = SERVICE_RESTART_NO; |
353e12c2 | 930 | s->exec_context.ignore_sigpipe = false; |
4dfc092a | 931 | |
1124fe6f | 932 | if (UNIT(s)->manager->sysv_console) |
706343f4 | 933 | s->exec_context.std_output = EXEC_OUTPUT_JOURNAL_AND_CONSOLE; |
4dfc092a | 934 | |
cd25cce9 | 935 | s->exec_context.kill_mode = KILL_PROCESS; |
80876c20 | 936 | |
0b5d26f9 LP |
937 | /* We use the long description only if |
938 | * no short description is set. */ | |
939 | ||
940 | if (short_description) | |
941 | description = short_description; | |
942 | else if (chkconfig_description) | |
943 | description = chkconfig_description; | |
944 | else if (long_description) | |
945 | description = long_description; | |
946 | else | |
947 | description = NULL; | |
948 | ||
949 | if (description) { | |
950 | char *d; | |
951 | ||
e527618d | 952 | if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) { |
0b5d26f9 LP |
953 | r = -ENOMEM; |
954 | goto finish; | |
955 | } | |
956 | ||
ac155bb8 | 957 | u->description = d; |
0b5d26f9 LP |
958 | } |
959 | ||
ea87ca5a LP |
960 | /* The priority that has been set in /etc/rcN.d/ hierarchies |
961 | * takes precedence over what is stored as default in the LSB | |
962 | * header */ | |
963 | if (s->sysv_start_priority_from_rcnd >= 0) | |
964 | s->sysv_start_priority = s->sysv_start_priority_from_rcnd; | |
965 | ||
ac155bb8 | 966 | u->load_state = UNIT_LOADED; |
23a177ef | 967 | r = 0; |
2c4104f0 LP |
968 | |
969 | finish: | |
970 | ||
971 | if (f) | |
972 | fclose(f); | |
973 | ||
0b5d26f9 LP |
974 | free(short_description); |
975 | free(long_description); | |
976 | free(chkconfig_description); | |
977 | ||
2c4104f0 LP |
978 | return r; |
979 | } | |
980 | ||
e537352b | 981 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
982 | char **p; |
983 | ||
984 | assert(s); | |
985 | assert(name); | |
986 | ||
e1992852 | 987 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca | 988 | * prefixes/suffixes. */ |
1bd8b818 | 989 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
5b819198 | 990 | if (endswith(name, ".sh.service")) |
d017c6ca | 991 | return -ENOENT; |
5b819198 MB |
992 | #endif |
993 | ||
994 | #ifdef TARGET_SUSE | |
995 | if (startswith(name, "boot.")) | |
996 | return -ENOENT; | |
997 | #endif | |
998 | ||
999 | #ifdef TARGET_FRUGALWARE | |
1000 | if (startswith(name, "rc.")) | |
1001 | return -ENOENT; | |
1002 | #endif | |
d017c6ca | 1003 | |
1124fe6f | 1004 | STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
1005 | char *path; |
1006 | int r; | |
1007 | ||
44d91056 LP |
1008 | path = join(*p, "/", name, NULL); |
1009 | if (!path) | |
2c4104f0 LP |
1010 | return -ENOMEM; |
1011 | ||
1012 | assert(endswith(path, ".service")); | |
1013 | path[strlen(path)-8] = 0; | |
1014 | ||
e537352b | 1015 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 1016 | |
1bd8b818 | 1017 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM) |
1124fe6f | 1018 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1019 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
1020 | strcat(path, ".sh"); |
1021 | r = service_load_sysv_path(s, path); | |
1022 | } | |
e1992852 | 1023 | #endif |
2c4104f0 LP |
1024 | free(path); |
1025 | ||
e1992852 | 1026 | #ifdef TARGET_SUSE |
1124fe6f | 1027 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1028 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 | 1029 | |
44d91056 LP |
1030 | path = join(*p, "/boot.", name, NULL); |
1031 | if (!path) | |
fbe9f3a9 LP |
1032 | return -ENOMEM; |
1033 | ||
e1992852 | 1034 | /* Drop .service suffix */ |
fbe9f3a9 LP |
1035 | path[strlen(path)-8] = 0; |
1036 | r = service_load_sysv_path(s, path); | |
1037 | free(path); | |
1038 | } | |
e1992852 | 1039 | #endif |
fbe9f3a9 | 1040 | |
e1992852 | 1041 | #ifdef TARGET_FRUGALWARE |
1124fe6f | 1042 | if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) { |
e1992852 | 1043 | /* Try Frugalware style rc.* init scripts */ |
65530632 | 1044 | |
44d91056 LP |
1045 | path = join(*p, "/rc.", name, NULL); |
1046 | if (!path) | |
65530632 MV |
1047 | return -ENOMEM; |
1048 | ||
e1992852 | 1049 | /* Drop .service suffix */ |
65530632 MV |
1050 | path[strlen(path)-8] = 0; |
1051 | r = service_load_sysv_path(s, path); | |
1052 | free(path); | |
1053 | } | |
e1992852 | 1054 | #endif |
65530632 | 1055 | |
23a177ef | 1056 | if (r < 0) |
2c4104f0 | 1057 | return r; |
23a177ef | 1058 | |
1124fe6f | 1059 | if ((UNIT(s)->load_state != UNIT_STUB)) |
23a177ef | 1060 | break; |
2c4104f0 LP |
1061 | } |
1062 | ||
1063 | return 0; | |
1064 | } | |
1065 | ||
e537352b | 1066 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
1067 | const char *t; |
1068 | Iterator i; | |
1069 | int r; | |
1070 | ||
5cb5a6ff LP |
1071 | assert(s); |
1072 | ||
1073 | /* Load service data from SysV init scripts, preferably with | |
1074 | * LSB headers ... */ | |
1075 | ||
1124fe6f | 1076 | if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
1077 | return 0; |
1078 | ||
1124fe6f | 1079 | if ((t = UNIT(s)->id)) |
e537352b | 1080 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
1081 | return r; |
1082 | ||
1124fe6f MS |
1083 | if (UNIT(s)->load_state == UNIT_STUB) |
1084 | SET_FOREACH(t, UNIT(s)->names, i) { | |
1085 | if (t == UNIT(s)->id) | |
e537352b LP |
1086 | continue; |
1087 | ||
e364ad06 | 1088 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
1089 | return r; |
1090 | ||
1124fe6f | 1091 | if (UNIT(s)->load_state != UNIT_STUB) |
23a177ef LP |
1092 | break; |
1093 | } | |
2c4104f0 LP |
1094 | |
1095 | return 0; | |
5cb5a6ff | 1096 | } |
07459bb6 | 1097 | #endif |
5cb5a6ff | 1098 | |
9fff8a1f | 1099 | static int fsck_fix_order(Service *s) { |
ac155bb8 | 1100 | Unit *other; |
9fff8a1f LP |
1101 | int r; |
1102 | ||
1103 | assert(s); | |
1104 | ||
1105 | if (s->fsck_passno <= 0) | |
1106 | return 0; | |
1107 | ||
1108 | /* For each pair of services where both have an fsck priority | |
1109 | * we order things based on it. */ | |
1110 | ||
1124fe6f | 1111 | LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) { |
9fff8a1f LP |
1112 | Service *t; |
1113 | UnitDependency d; | |
1114 | ||
595ed347 | 1115 | t = SERVICE(other); |
9fff8a1f LP |
1116 | |
1117 | if (s == t) | |
1118 | continue; | |
1119 | ||
1124fe6f | 1120 | if (UNIT(t)->load_state != UNIT_LOADED) |
9fff8a1f LP |
1121 | continue; |
1122 | ||
1123 | if (t->fsck_passno <= 0) | |
1124 | continue; | |
1125 | ||
1126 | if (t->fsck_passno < s->fsck_passno) | |
1127 | d = UNIT_AFTER; | |
1128 | else if (t->fsck_passno > s->fsck_passno) | |
1129 | d = UNIT_BEFORE; | |
1130 | else | |
1131 | continue; | |
1132 | ||
da19d5c1 | 1133 | if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
9fff8a1f LP |
1134 | return r; |
1135 | } | |
1136 | ||
1137 | return 0; | |
1138 | } | |
1139 | ||
243b1432 LP |
1140 | static int service_verify(Service *s) { |
1141 | assert(s); | |
1142 | ||
1124fe6f | 1143 | if (UNIT(s)->load_state != UNIT_LOADED) |
243b1432 LP |
1144 | return 0; |
1145 | ||
1146 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
1124fe6f | 1147 | log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id); |
243b1432 LP |
1148 | return -EINVAL; |
1149 | } | |
1150 | ||
34e9ba66 LP |
1151 | if (s->type != SERVICE_ONESHOT && |
1152 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1124fe6f | 1153 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
6cf6bbc2 LP |
1154 | return -EINVAL; |
1155 | } | |
1156 | ||
c06b7a15 LP |
1157 | if (s->type == SERVICE_ONESHOT && |
1158 | s->exec_command[SERVICE_EXEC_RELOAD]) { | |
1124fe6f | 1159 | log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id); |
c06b7a15 LP |
1160 | return -EINVAL; |
1161 | } | |
1162 | ||
05e343b7 | 1163 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
1124fe6f | 1164 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id); |
4d0e5dbd LP |
1165 | return -EINVAL; |
1166 | } | |
1167 | ||
7e2668c6 LP |
1168 | if (s->bus_name && s->type != SERVICE_DBUS) |
1169 | log_warning("%s has a D-Bus service name specified, but is not of type dbus. Ignoring.", UNIT(s)->id); | |
1170 | ||
2e22afe9 | 1171 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
1124fe6f | 1172 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id); |
05e343b7 LP |
1173 | return -EINVAL; |
1174 | } | |
1175 | ||
243b1432 LP |
1176 | return 0; |
1177 | } | |
1178 | ||
a40eb732 LP |
1179 | static int service_add_default_dependencies(Service *s) { |
1180 | int r; | |
1181 | ||
1182 | assert(s); | |
1183 | ||
1184 | /* Add a number of automatic dependencies useful for the | |
1185 | * majority of services. */ | |
1186 | ||
1187 | /* First, pull in base system */ | |
1124fe6f | 1188 | if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) { |
a40eb732 LP |
1189 | |
1190 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1191 | return r; | |
1192 | ||
1124fe6f | 1193 | } else if (UNIT(s)->manager->running_as == MANAGER_USER) { |
a40eb732 LP |
1194 | |
1195 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1196 | return r; | |
1197 | } | |
1198 | ||
1199 | /* Second, activate normal shutdown */ | |
ead8e478 | 1200 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1201 | } |
1202 | ||
4dfc092a LP |
1203 | static void service_fix_output(Service *s) { |
1204 | assert(s); | |
1205 | ||
1206 | /* If nothing has been explicitly configured, patch default | |
1207 | * output in. If input is socket/tty we avoid this however, | |
1208 | * since in that case we want output to default to the same | |
1209 | * place as we read input from. */ | |
1210 | ||
1211 | if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT && | |
1212 | s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1213 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1214 | s->exec_context.std_error = UNIT(s)->manager->default_std_error; |
4dfc092a LP |
1215 | |
1216 | if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT && | |
1217 | s->exec_context.std_input == EXEC_INPUT_NULL) | |
1124fe6f | 1218 | s->exec_context.std_output = UNIT(s)->manager->default_std_output; |
4dfc092a LP |
1219 | } |
1220 | ||
e537352b LP |
1221 | static int service_load(Unit *u) { |
1222 | int r; | |
1223 | Service *s = SERVICE(u); | |
1224 | ||
1225 | assert(s); | |
1e2e8133 | 1226 | |
5cb5a6ff | 1227 | /* Load a .service file */ |
e537352b | 1228 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1229 | return r; |
1230 | ||
07459bb6 | 1231 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1232 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
ac155bb8 | 1233 | if (u->load_state == UNIT_STUB) |
e537352b | 1234 | if ((r = service_load_sysv(s)) < 0) |
23a177ef | 1235 | return r; |
07459bb6 | 1236 | #endif |
d46de8a1 | 1237 | |
23a177ef | 1238 | /* Still nothing found? Then let's give up */ |
ac155bb8 | 1239 | if (u->load_state == UNIT_STUB) |
23a177ef | 1240 | return -ENOENT; |
034c6ed7 | 1241 | |
23a177ef LP |
1242 | /* We were able to load something, then let's add in the |
1243 | * dropin directories. */ | |
1244 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1245 | return r; |
23a177ef LP |
1246 | |
1247 | /* This is a new unit? Then let's add in some extras */ | |
ac155bb8 | 1248 | if (u->load_state == UNIT_LOADED) { |
0b86feac LP |
1249 | if (s->type == _SERVICE_TYPE_INVALID) |
1250 | s->type = s->bus_name ? SERVICE_DBUS : SERVICE_SIMPLE; | |
1251 | ||
98709151 LN |
1252 | /* Oneshot services have disabled timeout by default */ |
1253 | if (s->type == SERVICE_ONESHOT && !s->timeout_defined) | |
1254 | s->timeout_usec = 0; | |
1255 | ||
4e2b0f9b LP |
1256 | service_fix_output(s); |
1257 | ||
23a177ef LP |
1258 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1259 | return r; | |
1260 | ||
d686d8a9 | 1261 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1262 | return r; |
1263 | ||
07459bb6 | 1264 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1265 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1266 | return r; |
07459bb6 | 1267 | #endif |
05e343b7 | 1268 | |
9fff8a1f LP |
1269 | if ((r = fsck_fix_order(s)) < 0) |
1270 | return r; | |
1271 | ||
ee0dd802 | 1272 | if (s->bus_name) |
05e343b7 | 1273 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1274 | return r; |
c952c6ec LP |
1275 | |
1276 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1277 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 | 1278 | |
02c4ef9c LP |
1279 | if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE) |
1280 | s->notify_access = NOTIFY_MAIN; | |
1281 | ||
a40eb732 | 1282 | if (s->type == SERVICE_DBUS || s->bus_name) |
177b3ffe | 1283 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0) |
a40eb732 LP |
1284 | return r; |
1285 | ||
1124fe6f | 1286 | if (UNIT(s)->default_dependencies) |
a40eb732 LP |
1287 | if ((r = service_add_default_dependencies(s)) < 0) |
1288 | return r; | |
8e274523 LP |
1289 | } |
1290 | ||
243b1432 | 1291 | return service_verify(s); |
034c6ed7 LP |
1292 | } |
1293 | ||
87f0e418 | 1294 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1295 | |
5cb5a6ff | 1296 | ServiceExecCommand c; |
87f0e418 | 1297 | Service *s = SERVICE(u); |
47be870b LP |
1298 | const char *prefix2; |
1299 | char *p2; | |
5cb5a6ff LP |
1300 | |
1301 | assert(s); | |
1302 | ||
47be870b LP |
1303 | p2 = strappend(prefix, "\t"); |
1304 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1305 | |
5cb5a6ff | 1306 | fprintf(f, |
81a2b7ce | 1307 | "%sService State: %s\n" |
f42806df LP |
1308 | "%sResult: %s\n" |
1309 | "%sReload Result: %s\n" | |
81a2b7ce | 1310 | "%sPermissionsStartOnly: %s\n" |
8e274523 | 1311 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1312 | "%sRemainAfterExit: %s\n" |
3185a36b | 1313 | "%sGuessMainPID: %s\n" |
c952c6ec | 1314 | "%sType: %s\n" |
2cf3143a | 1315 | "%sRestart: %s\n" |
c952c6ec | 1316 | "%sNotifyAccess: %s\n", |
81a2b7ce | 1317 | prefix, service_state_to_string(s->state), |
f42806df LP |
1318 | prefix, service_result_to_string(s->result), |
1319 | prefix, service_result_to_string(s->reload_result), | |
81a2b7ce | 1320 | prefix, yes_no(s->permissions_start_only), |
8e274523 | 1321 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1322 | prefix, yes_no(s->remain_after_exit), |
3185a36b | 1323 | prefix, yes_no(s->guess_main_pid), |
c952c6ec | 1324 | prefix, service_type_to_string(s->type), |
2cf3143a | 1325 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1326 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1327 | |
70123e68 LP |
1328 | if (s->control_pid > 0) |
1329 | fprintf(f, | |
bb00e604 LP |
1330 | "%sControl PID: %lu\n", |
1331 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1332 | |
1333 | if (s->main_pid > 0) | |
1334 | fprintf(f, | |
6dfa5494 LP |
1335 | "%sMain PID: %lu\n" |
1336 | "%sMain PID Known: %s\n" | |
1337 | "%sMain PID Alien: %s\n", | |
1338 | prefix, (unsigned long) s->main_pid, | |
1339 | prefix, yes_no(s->main_pid_known), | |
1340 | prefix, yes_no(s->main_pid_alien)); | |
70123e68 | 1341 | |
034c6ed7 LP |
1342 | if (s->pid_file) |
1343 | fprintf(f, | |
1344 | "%sPIDFile: %s\n", | |
1345 | prefix, s->pid_file); | |
1346 | ||
05e343b7 LP |
1347 | if (s->bus_name) |
1348 | fprintf(f, | |
1349 | "%sBusName: %s\n" | |
1350 | "%sBus Name Good: %s\n", | |
1351 | prefix, s->bus_name, | |
1352 | prefix, yes_no(s->bus_name_good)); | |
1353 | ||
5cb5a6ff LP |
1354 | exec_context_dump(&s->exec_context, f, prefix); |
1355 | ||
e537352b | 1356 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1357 | |
44d8db9e LP |
1358 | if (!s->exec_command[c]) |
1359 | continue; | |
1360 | ||
40d50879 | 1361 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1362 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1363 | |
1364 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1365 | } |
44d8db9e | 1366 | |
07459bb6 | 1367 | #ifdef HAVE_SYSV_COMPAT |
1b64d026 | 1368 | if (s->is_sysv) |
2c4104f0 | 1369 | fprintf(f, |
9fff8a1f LP |
1370 | "%sSysV Init Script has LSB Header: %s\n" |
1371 | "%sSysVEnabled: %s\n", | |
9fff8a1f LP |
1372 | prefix, yes_no(s->sysv_has_lsb), |
1373 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1374 | |
1375 | if (s->sysv_start_priority >= 0) | |
1376 | fprintf(f, | |
9fff8a1f LP |
1377 | "%sSysVStartPriority: %i\n", |
1378 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1379 | |
8309400a LP |
1380 | if (s->sysv_runlevels) |
1381 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1382 | prefix, s->sysv_runlevels); | |
07459bb6 | 1383 | #endif |
23a177ef | 1384 | |
9fff8a1f LP |
1385 | if (s->fsck_passno > 0) |
1386 | fprintf(f, | |
1387 | "%sFsckPassNo: %i\n", | |
1388 | prefix, s->fsck_passno); | |
1389 | ||
8c47c732 LP |
1390 | if (s->status_text) |
1391 | fprintf(f, "%sStatus Text: %s\n", | |
1392 | prefix, s->status_text); | |
1393 | ||
47be870b | 1394 | free(p2); |
5cb5a6ff LP |
1395 | } |
1396 | ||
c5419d42 | 1397 | static int service_load_pid_file(Service *s, bool may_warn) { |
034c6ed7 | 1398 | char *k; |
034c6ed7 | 1399 | int r; |
5925dd3c | 1400 | pid_t pid; |
034c6ed7 LP |
1401 | |
1402 | assert(s); | |
1403 | ||
034c6ed7 | 1404 | if (!s->pid_file) |
13230d5d | 1405 | return -ENOENT; |
034c6ed7 | 1406 | |
5375410b | 1407 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) { |
c5419d42 | 1408 | if (may_warn) |
3a111838 MS |
1409 | log_info("PID file %s not readable (yet?) after %s.", |
1410 | s->pid_file, service_state_to_string(s->state)); | |
034c6ed7 | 1411 | return r; |
5375410b | 1412 | } |
034c6ed7 | 1413 | |
5925dd3c LP |
1414 | r = parse_pid(k, &pid); |
1415 | free(k); | |
034c6ed7 | 1416 | |
5925dd3c LP |
1417 | if (r < 0) |
1418 | return r; | |
406eaf93 | 1419 | |
5925dd3c | 1420 | if (kill(pid, 0) < 0 && errno != EPERM) { |
c5419d42 | 1421 | if (may_warn) |
3a111838 MS |
1422 | log_info("PID %lu read from file %s does not exist.", |
1423 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1424 | return -ESRCH; |
1425 | } | |
1426 | ||
db01f8b3 MS |
1427 | if (s->main_pid_known) { |
1428 | if (pid == s->main_pid) | |
1429 | return 0; | |
1430 | ||
1431 | log_debug("Main PID changing: %lu -> %lu", | |
1432 | (unsigned long) s->main_pid, (unsigned long) pid); | |
1433 | service_unwatch_main_pid(s); | |
1434 | s->main_pid_known = false; | |
3a111838 MS |
1435 | } else |
1436 | log_debug("Main PID loaded: %lu", (unsigned long) pid); | |
db01f8b3 | 1437 | |
5925dd3c | 1438 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1439 | return r; |
1440 | ||
5925dd3c LP |
1441 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1442 | /* FIXME: we need to do something here */ | |
1443 | return r; | |
034c6ed7 LP |
1444 | |
1445 | return 0; | |
1446 | } | |
1447 | ||
4fbf50b3 LP |
1448 | static int service_search_main_pid(Service *s) { |
1449 | pid_t pid; | |
1450 | int r; | |
1451 | ||
1452 | assert(s); | |
1453 | ||
3185a36b LP |
1454 | /* If we know it anyway, don't ever fallback to unreliable |
1455 | * heuristics */ | |
4fbf50b3 LP |
1456 | if (s->main_pid_known) |
1457 | return 0; | |
1458 | ||
3185a36b LP |
1459 | if (!s->guess_main_pid) |
1460 | return 0; | |
1461 | ||
4fbf50b3 LP |
1462 | assert(s->main_pid <= 0); |
1463 | ||
1124fe6f | 1464 | if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0) |
4fbf50b3 LP |
1465 | return -ENOENT; |
1466 | ||
3a111838 | 1467 | log_debug("Main PID guessed: %lu", (unsigned long) pid); |
4fbf50b3 LP |
1468 | if ((r = service_set_main_pid(s, pid)) < 0) |
1469 | return r; | |
1470 | ||
1471 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1472 | /* FIXME: we need to do something here */ | |
1473 | return r; | |
1474 | ||
1475 | return 0; | |
1476 | } | |
1477 | ||
6bda96a0 | 1478 | static void service_notify_sockets_dead(Service *s, bool failed_permanent) { |
ceee3d82 | 1479 | Iterator i; |
57020a3a | 1480 | Unit *u; |
3e33402a LP |
1481 | |
1482 | assert(s); | |
1483 | ||
f976f3f6 LP |
1484 | /* Notifies all our sockets when we die */ |
1485 | ||
6cf6bbc2 | 1486 | if (s->socket_fd >= 0) |
57020a3a | 1487 | return; |
3e33402a | 1488 | |
1124fe6f | 1489 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) |
ac155bb8 | 1490 | if (u->type == UNIT_SOCKET) |
6bda96a0 | 1491 | socket_notify_service_dead(SOCKET(u), failed_permanent); |
3e33402a | 1492 | |
57020a3a | 1493 | return; |
ceee3d82 LP |
1494 | } |
1495 | ||
034c6ed7 LP |
1496 | static void service_set_state(Service *s, ServiceState state) { |
1497 | ServiceState old_state; | |
e056b01d | 1498 | const UnitActiveState *table; |
5cb5a6ff LP |
1499 | assert(s); |
1500 | ||
e056b01d LP |
1501 | table = s->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
1502 | ||
034c6ed7 | 1503 | old_state = s->state; |
5cb5a6ff | 1504 | s->state = state; |
034c6ed7 | 1505 | |
3a111838 MS |
1506 | service_unwatch_pid_file(s); |
1507 | ||
034c6ed7 LP |
1508 | if (state != SERVICE_START_PRE && |
1509 | state != SERVICE_START && | |
1510 | state != SERVICE_START_POST && | |
1511 | state != SERVICE_RELOAD && | |
1512 | state != SERVICE_STOP && | |
1513 | state != SERVICE_STOP_SIGTERM && | |
1514 | state != SERVICE_STOP_SIGKILL && | |
1515 | state != SERVICE_STOP_POST && | |
1516 | state != SERVICE_FINAL_SIGTERM && | |
1517 | state != SERVICE_FINAL_SIGKILL && | |
1518 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1519 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1520 | |
7d55e835 LP |
1521 | if (state != SERVICE_START && |
1522 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1523 | state != SERVICE_RUNNING && |
1524 | state != SERVICE_RELOAD && | |
1525 | state != SERVICE_STOP && | |
1526 | state != SERVICE_STOP_SIGTERM && | |
867b3b7d | 1527 | state != SERVICE_STOP_SIGKILL) { |
5e94833f | 1528 | service_unwatch_main_pid(s); |
867b3b7d LP |
1529 | s->main_command = NULL; |
1530 | } | |
034c6ed7 LP |
1531 | |
1532 | if (state != SERVICE_START_PRE && | |
1533 | state != SERVICE_START && | |
1534 | state != SERVICE_START_POST && | |
1535 | state != SERVICE_RELOAD && | |
1536 | state != SERVICE_STOP && | |
1537 | state != SERVICE_STOP_SIGTERM && | |
1538 | state != SERVICE_STOP_SIGKILL && | |
1539 | state != SERVICE_STOP_POST && | |
1540 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1541 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1542 | service_unwatch_control_pid(s); |
034c6ed7 | 1543 | s->control_command = NULL; |
a16e1123 | 1544 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1545 | } |
034c6ed7 | 1546 | |
ceee3d82 LP |
1547 | if (state == SERVICE_DEAD || |
1548 | state == SERVICE_STOP || | |
1549 | state == SERVICE_STOP_SIGTERM || | |
1550 | state == SERVICE_STOP_SIGKILL || | |
1551 | state == SERVICE_STOP_POST || | |
1552 | state == SERVICE_FINAL_SIGTERM || | |
1553 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1554 | state == SERVICE_FAILED || |
ceee3d82 | 1555 | state == SERVICE_AUTO_RESTART) |
c2f34808 | 1556 | service_notify_sockets_dead(s, false); |
ceee3d82 | 1557 | |
4f2d528d LP |
1558 | if (state != SERVICE_START_PRE && |
1559 | state != SERVICE_START && | |
6cf6bbc2 LP |
1560 | state != SERVICE_START_POST && |
1561 | state != SERVICE_RUNNING && | |
1562 | state != SERVICE_RELOAD && | |
1563 | state != SERVICE_STOP && | |
1564 | state != SERVICE_STOP_SIGTERM && | |
1565 | state != SERVICE_STOP_SIGKILL && | |
1566 | state != SERVICE_STOP_POST && | |
1567 | state != SERVICE_FINAL_SIGTERM && | |
1568 | state != SERVICE_FINAL_SIGKILL && | |
1124fe6f | 1569 | !(state == SERVICE_DEAD && UNIT(s)->job)) { |
4f2d528d | 1570 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1571 | service_connection_unref(s); |
1572 | } | |
4f2d528d | 1573 | |
a6927d7f MO |
1574 | if (state == SERVICE_STOP) |
1575 | service_stop_watchdog(s); | |
1576 | ||
f6023656 LP |
1577 | /* For the inactive states unit_notify() will trim the cgroup, |
1578 | * but for exit we have to do that ourselves... */ | |
1124fe6f MS |
1579 | if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0) |
1580 | cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true); | |
f6023656 | 1581 | |
e537352b | 1582 | if (old_state != state) |
1124fe6f | 1583 | log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 | 1584 | |
e056b01d | 1585 | unit_notify(UNIT(s), table[old_state], table[state], s->reload_result == SERVICE_SUCCESS); |
f42806df | 1586 | s->reload_result = SERVICE_SUCCESS; |
034c6ed7 LP |
1587 | } |
1588 | ||
a16e1123 LP |
1589 | static int service_coldplug(Unit *u) { |
1590 | Service *s = SERVICE(u); | |
1591 | int r; | |
1592 | ||
1593 | assert(s); | |
1594 | assert(s->state == SERVICE_DEAD); | |
1595 | ||
1596 | if (s->deserialized_state != s->state) { | |
1597 | ||
1598 | if (s->deserialized_state == SERVICE_START_PRE || | |
1599 | s->deserialized_state == SERVICE_START || | |
1600 | s->deserialized_state == SERVICE_START_POST || | |
1601 | s->deserialized_state == SERVICE_RELOAD || | |
1602 | s->deserialized_state == SERVICE_STOP || | |
1603 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1604 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1605 | s->deserialized_state == SERVICE_STOP_POST || | |
1606 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1607 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1608 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1609 | ||
1610 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1611 | usec_t k; | |
1612 | ||
1613 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1614 | ||
1615 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1616 | return r; | |
1617 | } | |
1618 | } | |
a16e1123 LP |
1619 | |
1620 | if ((s->deserialized_state == SERVICE_START && | |
1621 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1622 | s->type == SERVICE_DBUS || |
34e9ba66 | 1623 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1624 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1625 | s->deserialized_state == SERVICE_START_POST || |
1626 | s->deserialized_state == SERVICE_RUNNING || | |
1627 | s->deserialized_state == SERVICE_RELOAD || | |
1628 | s->deserialized_state == SERVICE_STOP || | |
1629 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1630 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1631 | if (s->main_pid > 0) | |
1632 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1633 | return r; | |
1634 | ||
1635 | if (s->deserialized_state == SERVICE_START_PRE || | |
1636 | s->deserialized_state == SERVICE_START || | |
1637 | s->deserialized_state == SERVICE_START_POST || | |
1638 | s->deserialized_state == SERVICE_RELOAD || | |
1639 | s->deserialized_state == SERVICE_STOP || | |
1640 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1641 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1642 | s->deserialized_state == SERVICE_STOP_POST || | |
1643 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1644 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1645 | if (s->control_pid > 0) | |
1646 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1647 | return r; | |
1648 | ||
bb242b7b MO |
1649 | if (s->deserialized_state == SERVICE_START_POST || |
1650 | s->deserialized_state == SERVICE_RUNNING) | |
1651 | service_handle_watchdog(s); | |
1652 | ||
a16e1123 LP |
1653 | service_set_state(s, s->deserialized_state); |
1654 | } | |
a16e1123 LP |
1655 | return 0; |
1656 | } | |
1657 | ||
44d8db9e LP |
1658 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1659 | Iterator i; | |
1660 | int r; | |
1661 | int *rfds = NULL; | |
1662 | unsigned rn_fds = 0; | |
57020a3a | 1663 | Unit *u; |
44d8db9e LP |
1664 | |
1665 | assert(s); | |
1666 | assert(fds); | |
1667 | assert(n_fds); | |
1668 | ||
6cf6bbc2 LP |
1669 | if (s->socket_fd >= 0) |
1670 | return 0; | |
1671 | ||
1124fe6f | 1672 | SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) { |
44d8db9e LP |
1673 | int *cfds; |
1674 | unsigned cn_fds; | |
57020a3a LP |
1675 | Socket *sock; |
1676 | ||
ac155bb8 | 1677 | if (u->type != UNIT_SOCKET) |
57020a3a LP |
1678 | continue; |
1679 | ||
1680 | sock = SOCKET(u); | |
44d8db9e | 1681 | |
47be870b | 1682 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1683 | goto fail; |
1684 | ||
1685 | if (!cfds) | |
1686 | continue; | |
1687 | ||
1688 | if (!rfds) { | |
1689 | rfds = cfds; | |
1690 | rn_fds = cn_fds; | |
1691 | } else { | |
1692 | int *t; | |
1693 | ||
1694 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1695 | free(cfds); | |
1696 | r = -ENOMEM; | |
1697 | goto fail; | |
1698 | } | |
1699 | ||
9c1b183c LP |
1700 | memcpy(t, rfds, rn_fds * sizeof(int)); |
1701 | memcpy(t+rn_fds, cfds, cn_fds * sizeof(int)); | |
44d8db9e LP |
1702 | free(rfds); |
1703 | free(cfds); | |
1704 | ||
1705 | rfds = t; | |
1706 | rn_fds = rn_fds+cn_fds; | |
1707 | } | |
1708 | } | |
1709 | ||
1710 | *fds = rfds; | |
1711 | *n_fds = rn_fds; | |
3e33402a | 1712 | |
44d8db9e LP |
1713 | return 0; |
1714 | ||
1715 | fail: | |
1716 | free(rfds); | |
3e33402a | 1717 | |
44d8db9e LP |
1718 | return r; |
1719 | } | |
1720 | ||
81a2b7ce LP |
1721 | static int service_spawn( |
1722 | Service *s, | |
1723 | ExecCommand *c, | |
1724 | bool timeout, | |
1725 | bool pass_fds, | |
1726 | bool apply_permissions, | |
1727 | bool apply_chroot, | |
1e3ad081 | 1728 | bool apply_tty_stdin, |
c952c6ec | 1729 | bool set_notify_socket, |
ecedd90f | 1730 | bool is_control, |
81a2b7ce LP |
1731 | pid_t *_pid) { |
1732 | ||
034c6ed7 LP |
1733 | pid_t pid; |
1734 | int r; | |
6cf6bbc2 | 1735 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1736 | unsigned n_fds = 0, n_env = 0; |
1737 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1738 | |
1739 | assert(s); | |
1740 | assert(c); | |
1741 | assert(_pid); | |
1742 | ||
6cf6bbc2 LP |
1743 | if (pass_fds || |
1744 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1745 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1746 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1747 | ||
4f2d528d LP |
1748 | if (s->socket_fd >= 0) { |
1749 | fds = &s->socket_fd; | |
1750 | n_fds = 1; | |
6cf6bbc2 LP |
1751 | } else { |
1752 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1753 | goto fail; | |
1754 | ||
1755 | fds = fdsbuf; | |
1756 | } | |
4f2d528d | 1757 | } |
44d8db9e | 1758 | |
e558336f | 1759 | if (timeout && s->timeout_usec) { |
acbb0225 | 1760 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1761 | goto fail; |
1762 | } else | |
acbb0225 | 1763 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1764 | |
9e2f7c11 LP |
1765 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1766 | r = -ENOMEM; | |
1767 | goto fail; | |
1768 | } | |
1769 | ||
9865f3b4 | 1770 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1771 | r = -ENOMEM; |
1772 | goto fail; | |
1773 | } | |
c952c6ec | 1774 | |
2105e76a | 1775 | if (set_notify_socket) |
1124fe6f | 1776 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) { |
c952c6ec LP |
1777 | r = -ENOMEM; |
1778 | goto fail; | |
1779 | } | |
1780 | ||
2105e76a LP |
1781 | if (s->main_pid > 0) |
1782 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1783 | r = -ENOMEM; |
1784 | goto fail; | |
1785 | } | |
2105e76a | 1786 | |
6e0bcc98 MO |
1787 | if (s->watchdog_usec > 0) |
1788 | if (asprintf(our_env + n_env++, "WATCHDOG_USEC=%llu", (unsigned long long) s->watchdog_usec) < 0) { | |
1789 | r = -ENOMEM; | |
1790 | goto fail; | |
1791 | } | |
1792 | ||
2105e76a | 1793 | if (!(final_env = strv_env_merge(2, |
1124fe6f | 1794 | UNIT(s)->manager->environment, |
2105e76a LP |
1795 | our_env, |
1796 | NULL))) { | |
1797 | r = -ENOMEM; | |
1798 | goto fail; | |
1799 | } | |
c952c6ec | 1800 | |
9e2f7c11 LP |
1801 | r = exec_spawn(c, |
1802 | argv, | |
1803 | &s->exec_context, | |
1804 | fds, n_fds, | |
2105e76a | 1805 | final_env, |
9e2f7c11 LP |
1806 | apply_permissions, |
1807 | apply_chroot, | |
1e3ad081 | 1808 | apply_tty_stdin, |
1124fe6f MS |
1809 | UNIT(s)->manager->confirm_spawn, |
1810 | UNIT(s)->cgroup_bondings, | |
1811 | UNIT(s)->cgroup_attributes, | |
ecedd90f | 1812 | is_control ? "control" : NULL, |
f2b68789 | 1813 | s->type == SERVICE_IDLE ? UNIT(s)->manager->idle_pipe : NULL, |
9e2f7c11 LP |
1814 | &pid); |
1815 | ||
9e2f7c11 | 1816 | if (r < 0) |
034c6ed7 LP |
1817 | goto fail; |
1818 | ||
4f2d528d | 1819 | |
87f0e418 | 1820 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1821 | /* FIXME: we need to do something here */ |
1822 | goto fail; | |
1823 | ||
2105e76a LP |
1824 | free(fdsbuf); |
1825 | strv_free(argv); | |
1826 | strv_free(our_env); | |
1827 | strv_free(final_env); | |
1828 | ||
034c6ed7 LP |
1829 | *_pid = pid; |
1830 | ||
5cb5a6ff | 1831 | return 0; |
034c6ed7 LP |
1832 | |
1833 | fail: | |
2105e76a | 1834 | free(fdsbuf); |
c952c6ec | 1835 | strv_free(argv); |
2105e76a LP |
1836 | strv_free(our_env); |
1837 | strv_free(final_env); | |
c952c6ec | 1838 | |
034c6ed7 | 1839 | if (timeout) |
acbb0225 | 1840 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1841 | |
1842 | return r; | |
1843 | } | |
1844 | ||
80876c20 LP |
1845 | static int main_pid_good(Service *s) { |
1846 | assert(s); | |
1847 | ||
1848 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1849 | * don't know */ | |
1850 | ||
1851 | /* If we know the pid file, then lets just check if it is | |
1852 | * still valid */ | |
6dfa5494 LP |
1853 | if (s->main_pid_known) { |
1854 | ||
1855 | /* If it's an alien child let's check if it is still | |
1856 | * alive ... */ | |
1857 | if (s->main_pid_alien) | |
1858 | return kill(s->main_pid, 0) >= 0 || errno != ESRCH; | |
1859 | ||
1860 | /* .. otherwise assume we'll get a SIGCHLD for it, | |
1861 | * which we really should wait for to collect exit | |
1862 | * status and code */ | |
80876c20 | 1863 | return s->main_pid > 0; |
6dfa5494 | 1864 | } |
80876c20 LP |
1865 | |
1866 | /* We don't know the pid */ | |
1867 | return -EAGAIN; | |
1868 | } | |
1869 | ||
1870 | static int control_pid_good(Service *s) { | |
1871 | assert(s); | |
1872 | ||
1873 | return s->control_pid > 0; | |
1874 | } | |
1875 | ||
1876 | static int cgroup_good(Service *s) { | |
1877 | int r; | |
1878 | ||
1879 | assert(s); | |
1880 | ||
1124fe6f | 1881 | if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0) |
80876c20 LP |
1882 | return r; |
1883 | ||
1884 | return !r; | |
1885 | } | |
1886 | ||
f42806df | 1887 | static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) { |
034c6ed7 LP |
1888 | int r; |
1889 | assert(s); | |
1890 | ||
f42806df LP |
1891 | if (f != SERVICE_SUCCESS) |
1892 | s->result = f; | |
034c6ed7 LP |
1893 | |
1894 | if (allow_restart && | |
47342320 | 1895 | !s->forbid_restart && |
034c6ed7 | 1896 | (s->restart == SERVICE_RESTART_ALWAYS || |
f42806df LP |
1897 | (s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) || |
1898 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) || | |
1899 | (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL || | |
1900 | s->result == SERVICE_FAILURE_CORE_DUMP)))) { | |
034c6ed7 | 1901 | |
f42806df LP |
1902 | r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch); |
1903 | if (r < 0) | |
034c6ed7 LP |
1904 | goto fail; |
1905 | ||
1906 | service_set_state(s, SERVICE_AUTO_RESTART); | |
1907 | } else | |
f42806df | 1908 | service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD); |
034c6ed7 | 1909 | |
47342320 LP |
1910 | s->forbid_restart = false; |
1911 | ||
034c6ed7 LP |
1912 | return; |
1913 | ||
1914 | fail: | |
1124fe6f | 1915 | log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1916 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
034c6ed7 LP |
1917 | } |
1918 | ||
f42806df | 1919 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f); |
034c6ed7 | 1920 | |
f42806df | 1921 | static void service_enter_stop_post(Service *s, ServiceResult f) { |
034c6ed7 LP |
1922 | int r; |
1923 | assert(s); | |
1924 | ||
f42806df LP |
1925 | if (f != SERVICE_SUCCESS) |
1926 | s->result = f; | |
034c6ed7 | 1927 | |
5e94833f LP |
1928 | service_unwatch_control_pid(s); |
1929 | ||
80876c20 | 1930 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
867b3b7d LP |
1931 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
1932 | ||
ecedd90f LP |
1933 | r = service_spawn(s, |
1934 | s->control_command, | |
1935 | true, | |
1936 | false, | |
1937 | !s->permissions_start_only, | |
1938 | !s->root_directory_start_only, | |
1939 | true, | |
1940 | false, | |
1941 | true, | |
1942 | &s->control_pid); | |
1943 | if (r < 0) | |
034c6ed7 LP |
1944 | goto fail; |
1945 | ||
d6ea93e3 | 1946 | |
80876c20 LP |
1947 | service_set_state(s, SERVICE_STOP_POST); |
1948 | } else | |
f42806df | 1949 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
1950 | |
1951 | return; | |
1952 | ||
1953 | fail: | |
1124fe6f | 1954 | log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 1955 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
1956 | } |
1957 | ||
f42806df | 1958 | static void service_enter_signal(Service *s, ServiceState state, ServiceResult f) { |
034c6ed7 | 1959 | int r; |
ca949c9d LP |
1960 | Set *pid_set = NULL; |
1961 | bool wait_for_exit = false; | |
034c6ed7 LP |
1962 | |
1963 | assert(s); | |
1964 | ||
f42806df LP |
1965 | if (f != SERVICE_SUCCESS) |
1966 | s->result = f; | |
034c6ed7 | 1967 | |
2e22afe9 LP |
1968 | if (s->exec_context.kill_mode != KILL_NONE) { |
1969 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 1970 | |
ca949c9d | 1971 | if (s->main_pid > 0) { |
cd25cce9 | 1972 | if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1973 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1974 | else | |
6dfa5494 | 1975 | wait_for_exit = !s->main_pid_alien; |
034c6ed7 LP |
1976 | } |
1977 | ||
ca949c9d | 1978 | if (s->control_pid > 0) { |
cd25cce9 | 1979 | if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH) |
ca949c9d LP |
1980 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1981 | else | |
1982 | wait_for_exit = true; | |
1983 | } | |
50159e6a | 1984 | |
ca949c9d | 1985 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1986 | |
ca949c9d LP |
1987 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) { |
1988 | r = -ENOMEM; | |
50159e6a | 1989 | goto fail; |
ca949c9d LP |
1990 | } |
1991 | ||
1992 | /* Exclude the main/control pids from being killed via the cgroup */ | |
1993 | if (s->main_pid > 0) | |
1994 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
1995 | goto fail; | |
1996 | ||
1997 | if (s->control_pid > 0) | |
1998 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
1999 | goto fail; | |
2000 | ||
88f3e0c9 | 2001 | r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, false, pid_set, NULL); |
ecedd90f | 2002 | if (r < 0) { |
ca949c9d LP |
2003 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) |
2004 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 2005 | } else if (r > 0) |
ca949c9d LP |
2006 | wait_for_exit = true; |
2007 | ||
2008 | set_free(pid_set); | |
da19d5c1 | 2009 | pid_set = NULL; |
50159e6a | 2010 | } |
d6ea93e3 | 2011 | } |
034c6ed7 | 2012 | |
ca949c9d | 2013 | if (wait_for_exit) { |
e558336f LP |
2014 | if (s->timeout_usec > 0) |
2015 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
2016 | goto fail; | |
d6ea93e3 | 2017 | |
80876c20 LP |
2018 | service_set_state(s, state); |
2019 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
f42806df | 2020 | service_enter_stop_post(s, SERVICE_SUCCESS); |
80876c20 | 2021 | else |
f42806df | 2022 | service_enter_dead(s, SERVICE_SUCCESS, true); |
034c6ed7 LP |
2023 | |
2024 | return; | |
2025 | ||
2026 | fail: | |
1124fe6f | 2027 | log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2028 | |
80876c20 | 2029 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
f42806df | 2030 | service_enter_stop_post(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2031 | else |
f42806df | 2032 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
ca949c9d LP |
2033 | |
2034 | if (pid_set) | |
2035 | set_free(pid_set); | |
034c6ed7 LP |
2036 | } |
2037 | ||
f42806df | 2038 | static void service_enter_stop(Service *s, ServiceResult f) { |
034c6ed7 | 2039 | int r; |
5925dd3c | 2040 | |
034c6ed7 LP |
2041 | assert(s); |
2042 | ||
f42806df LP |
2043 | if (f != SERVICE_SUCCESS) |
2044 | s->result = f; | |
034c6ed7 | 2045 | |
5e94833f LP |
2046 | service_unwatch_control_pid(s); |
2047 | ||
80876c20 | 2048 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
867b3b7d LP |
2049 | s->control_command_id = SERVICE_EXEC_STOP; |
2050 | ||
ecedd90f LP |
2051 | r = service_spawn(s, |
2052 | s->control_command, | |
2053 | true, | |
2054 | false, | |
2055 | !s->permissions_start_only, | |
2056 | !s->root_directory_start_only, | |
2057 | false, | |
2058 | false, | |
2059 | true, | |
2060 | &s->control_pid); | |
2061 | if (r < 0) | |
034c6ed7 LP |
2062 | goto fail; |
2063 | ||
80876c20 LP |
2064 | service_set_state(s, SERVICE_STOP); |
2065 | } else | |
f42806df | 2066 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
034c6ed7 LP |
2067 | |
2068 | return; | |
2069 | ||
2070 | fail: | |
1124fe6f | 2071 | log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2072 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2073 | } |
2074 | ||
f42806df | 2075 | static void service_enter_running(Service *s, ServiceResult f) { |
4eab639f | 2076 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
2077 | assert(s); |
2078 | ||
f42806df LP |
2079 | if (f != SERVICE_SUCCESS) |
2080 | s->result = f; | |
80876c20 | 2081 | |
4eab639f LP |
2082 | main_pid_ok = main_pid_good(s); |
2083 | cgroup_ok = cgroup_good(s); | |
2084 | ||
2085 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 2086 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 2087 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 2088 | else if (s->remain_after_exit) |
80876c20 LP |
2089 | service_set_state(s, SERVICE_EXITED); |
2090 | else | |
f42806df | 2091 | service_enter_stop(s, SERVICE_SUCCESS); |
80876c20 LP |
2092 | } |
2093 | ||
034c6ed7 LP |
2094 | static void service_enter_start_post(Service *s) { |
2095 | int r; | |
2096 | assert(s); | |
2097 | ||
5e94833f LP |
2098 | service_unwatch_control_pid(s); |
2099 | ||
bb242b7b MO |
2100 | if (s->watchdog_usec > 0) |
2101 | service_reset_watchdog(s); | |
2102 | ||
80876c20 | 2103 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
867b3b7d LP |
2104 | s->control_command_id = SERVICE_EXEC_START_POST; |
2105 | ||
ecedd90f LP |
2106 | r = service_spawn(s, |
2107 | s->control_command, | |
2108 | true, | |
2109 | false, | |
2110 | !s->permissions_start_only, | |
2111 | !s->root_directory_start_only, | |
2112 | false, | |
2113 | false, | |
2114 | true, | |
2115 | &s->control_pid); | |
2116 | if (r < 0) | |
034c6ed7 LP |
2117 | goto fail; |
2118 | ||
80876c20 LP |
2119 | service_set_state(s, SERVICE_START_POST); |
2120 | } else | |
f42806df | 2121 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2122 | |
2123 | return; | |
2124 | ||
2125 | fail: | |
1124fe6f | 2126 | log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2127 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2128 | } |
2129 | ||
2130 | static void service_enter_start(Service *s) { | |
2131 | pid_t pid; | |
2132 | int r; | |
867b3b7d | 2133 | ExecCommand *c; |
034c6ed7 LP |
2134 | |
2135 | assert(s); | |
2136 | ||
2137 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 2138 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 2139 | |
80876c20 LP |
2140 | if (s->type == SERVICE_FORKING) |
2141 | service_unwatch_control_pid(s); | |
2142 | else | |
2143 | service_unwatch_main_pid(s); | |
2144 | ||
8f53a7b8 LP |
2145 | /* We want to ensure that nobody leaks processes from |
2146 | * START_PRE here, so let's go on a killing spree, People | |
2147 | * should not spawn long running processes from START_PRE. */ | |
88f3e0c9 | 2148 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2149 | |
867b3b7d LP |
2150 | if (s->type == SERVICE_FORKING) { |
2151 | s->control_command_id = SERVICE_EXEC_START; | |
2152 | c = s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
2153 | ||
2154 | s->main_command = NULL; | |
2155 | } else { | |
2156 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2157 | s->control_command = NULL; | |
2158 | ||
2159 | c = s->main_command = s->exec_command[SERVICE_EXEC_START]; | |
2160 | } | |
34e9ba66 | 2161 | |
ecedd90f LP |
2162 | r = service_spawn(s, |
2163 | c, | |
98709151 | 2164 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY || s->type == SERVICE_ONESHOT, |
ecedd90f LP |
2165 | true, |
2166 | true, | |
2167 | true, | |
2168 | true, | |
2169 | s->notify_access != NOTIFY_NONE, | |
2170 | false, | |
2171 | &pid); | |
2172 | if (r < 0) | |
034c6ed7 LP |
2173 | goto fail; |
2174 | ||
f2b68789 | 2175 | if (s->type == SERVICE_SIMPLE || s->type == SERVICE_IDLE) { |
034c6ed7 LP |
2176 | /* For simple services we immediately start |
2177 | * the START_POST binaries. */ | |
2178 | ||
5925dd3c | 2179 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2180 | service_enter_start_post(s); |
2181 | ||
2182 | } else if (s->type == SERVICE_FORKING) { | |
2183 | ||
2184 | /* For forking services we wait until the start | |
2185 | * process exited. */ | |
2186 | ||
e55224ca | 2187 | s->control_pid = pid; |
80876c20 LP |
2188 | service_set_state(s, SERVICE_START); |
2189 | ||
34e9ba66 | 2190 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2191 | s->type == SERVICE_DBUS || |
2192 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2193 | |
34e9ba66 | 2194 | /* For oneshot services we wait until the start |
7d55e835 LP |
2195 | * process exited, too, but it is our main process. */ |
2196 | ||
05e343b7 | 2197 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2198 | * but wait for the bus name to appear on the |
2199 | * bus. Notify services are similar. */ | |
05e343b7 | 2200 | |
5925dd3c | 2201 | service_set_main_pid(s, pid); |
80876c20 | 2202 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2203 | } else |
2204 | assert_not_reached("Unknown service type"); | |
2205 | ||
2206 | return; | |
2207 | ||
2208 | fail: | |
1124fe6f | 2209 | log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2210 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 LP |
2211 | } |
2212 | ||
2213 | static void service_enter_start_pre(Service *s) { | |
2214 | int r; | |
2215 | ||
2216 | assert(s); | |
2217 | ||
5e94833f LP |
2218 | service_unwatch_control_pid(s); |
2219 | ||
80876c20 | 2220 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
8f53a7b8 LP |
2221 | |
2222 | /* Before we start anything, let's clear up what might | |
2223 | * be left from previous runs. */ | |
88f3e0c9 | 2224 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); |
8f53a7b8 | 2225 | |
867b3b7d LP |
2226 | s->control_command_id = SERVICE_EXEC_START_PRE; |
2227 | ||
ecedd90f LP |
2228 | r = service_spawn(s, |
2229 | s->control_command, | |
2230 | true, | |
2231 | false, | |
2232 | !s->permissions_start_only, | |
2233 | !s->root_directory_start_only, | |
2234 | true, | |
2235 | false, | |
2236 | true, | |
2237 | &s->control_pid); | |
2238 | if (r < 0) | |
034c6ed7 LP |
2239 | goto fail; |
2240 | ||
80876c20 LP |
2241 | service_set_state(s, SERVICE_START_PRE); |
2242 | } else | |
034c6ed7 LP |
2243 | service_enter_start(s); |
2244 | ||
2245 | return; | |
2246 | ||
2247 | fail: | |
1124fe6f | 2248 | log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2249 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
034c6ed7 LP |
2250 | } |
2251 | ||
2252 | static void service_enter_restart(Service *s) { | |
2253 | int r; | |
398ef8ba LP |
2254 | DBusError error; |
2255 | ||
034c6ed7 | 2256 | assert(s); |
398ef8ba | 2257 | dbus_error_init(&error); |
034c6ed7 | 2258 | |
1124fe6f | 2259 | if (UNIT(s)->job) { |
2edfa366 LP |
2260 | log_info("Job pending for unit, delaying automatic restart."); |
2261 | ||
2262 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) | |
2263 | goto fail; | |
feae8adb DW |
2264 | |
2265 | return; | |
2edfa366 LP |
2266 | } |
2267 | ||
48bb5876 DW |
2268 | /* Any units that are bound to this service must also be |
2269 | * restarted. We use JOB_RESTART (instead of the more obvious | |
2270 | * JOB_START) here so that those dependency jobs will be added | |
2271 | * as well. */ | |
2272 | r = manager_add_job(UNIT(s)->manager, JOB_RESTART, UNIT(s), JOB_FAIL, false, &error, NULL); | |
2273 | if (r < 0) | |
034c6ed7 LP |
2274 | goto fail; |
2275 | ||
1124fe6f | 2276 | log_debug("%s scheduled restart job.", UNIT(s)->id); |
034c6ed7 LP |
2277 | return; |
2278 | ||
2279 | fail: | |
1124fe6f | 2280 | log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r)); |
f42806df | 2281 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, false); |
398ef8ba LP |
2282 | |
2283 | dbus_error_free(&error); | |
034c6ed7 LP |
2284 | } |
2285 | ||
2286 | static void service_enter_reload(Service *s) { | |
2287 | int r; | |
2288 | ||
2289 | assert(s); | |
2290 | ||
5e94833f LP |
2291 | service_unwatch_control_pid(s); |
2292 | ||
80876c20 | 2293 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
867b3b7d LP |
2294 | s->control_command_id = SERVICE_EXEC_RELOAD; |
2295 | ||
ecedd90f LP |
2296 | r = service_spawn(s, |
2297 | s->control_command, | |
2298 | true, | |
2299 | false, | |
2300 | !s->permissions_start_only, | |
2301 | !s->root_directory_start_only, | |
2302 | false, | |
2303 | false, | |
2304 | true, | |
2305 | &s->control_pid); | |
2306 | if (r < 0) | |
034c6ed7 LP |
2307 | goto fail; |
2308 | ||
80876c20 LP |
2309 | service_set_state(s, SERVICE_RELOAD); |
2310 | } else | |
f42806df | 2311 | service_enter_running(s, SERVICE_SUCCESS); |
034c6ed7 LP |
2312 | |
2313 | return; | |
2314 | ||
2315 | fail: | |
1124fe6f | 2316 | log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r)); |
f42806df LP |
2317 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2318 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
2319 | } |
2320 | ||
f42806df | 2321 | static void service_run_next_control(Service *s) { |
034c6ed7 LP |
2322 | int r; |
2323 | ||
2324 | assert(s); | |
2325 | assert(s->control_command); | |
2326 | assert(s->control_command->command_next); | |
2327 | ||
34e9ba66 | 2328 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2329 | |
34e9ba66 | 2330 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2331 | service_unwatch_control_pid(s); |
2332 | ||
ecedd90f LP |
2333 | r = service_spawn(s, |
2334 | s->control_command, | |
2335 | true, | |
2336 | false, | |
2337 | !s->permissions_start_only, | |
2338 | !s->root_directory_start_only, | |
2339 | s->control_command_id == SERVICE_EXEC_START_PRE || | |
2340 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
2341 | false, | |
2342 | true, | |
2343 | &s->control_pid); | |
2344 | if (r < 0) | |
034c6ed7 LP |
2345 | goto fail; |
2346 | ||
2347 | return; | |
2348 | ||
2349 | fail: | |
1124fe6f | 2350 | log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r)); |
034c6ed7 | 2351 | |
80876c20 | 2352 | if (s->state == SERVICE_START_PRE) |
f42806df | 2353 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
80876c20 | 2354 | else if (s->state == SERVICE_STOP) |
f42806df | 2355 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
034c6ed7 | 2356 | else if (s->state == SERVICE_STOP_POST) |
f42806df | 2357 | service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true); |
e2f3b44c | 2358 | else if (s->state == SERVICE_RELOAD) { |
f42806df LP |
2359 | s->reload_result = SERVICE_FAILURE_RESOURCES; |
2360 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c | 2361 | } else |
f42806df | 2362 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
5cb5a6ff LP |
2363 | } |
2364 | ||
f42806df | 2365 | static void service_run_next_main(Service *s) { |
34e9ba66 LP |
2366 | pid_t pid; |
2367 | int r; | |
2368 | ||
2369 | assert(s); | |
867b3b7d LP |
2370 | assert(s->main_command); |
2371 | assert(s->main_command->command_next); | |
2372 | assert(s->type == SERVICE_ONESHOT); | |
34e9ba66 | 2373 | |
867b3b7d | 2374 | s->main_command = s->main_command->command_next; |
34e9ba66 LP |
2375 | service_unwatch_main_pid(s); |
2376 | ||
ecedd90f LP |
2377 | r = service_spawn(s, |
2378 | s->main_command, | |
98709151 | 2379 | true, |
ecedd90f LP |
2380 | true, |
2381 | true, | |
2382 | true, | |
2383 | true, | |
2384 | s->notify_access != NOTIFY_NONE, | |
2385 | false, | |
2386 | &pid); | |
2387 | if (r < 0) | |
34e9ba66 LP |
2388 | goto fail; |
2389 | ||
2390 | service_set_main_pid(s, pid); | |
2391 | ||
2392 | return; | |
2393 | ||
2394 | fail: | |
1124fe6f | 2395 | log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r)); |
f42806df | 2396 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
34e9ba66 LP |
2397 | } |
2398 | ||
4b939747 MO |
2399 | static int service_start_limit_test(Service *s) { |
2400 | assert(s); | |
2401 | ||
2402 | if (ratelimit_test(&s->start_limit)) | |
2403 | return 0; | |
2404 | ||
2405 | switch (s->start_limit_action) { | |
2406 | ||
2407 | case SERVICE_START_LIMIT_NONE: | |
2408 | log_warning("%s start request repeated too quickly, refusing to start.", UNIT(s)->id); | |
2409 | break; | |
2410 | ||
2411 | case SERVICE_START_LIMIT_REBOOT: { | |
2412 | DBusError error; | |
2413 | int r; | |
2414 | ||
2415 | dbus_error_init(&error); | |
2416 | ||
2417 | log_warning("%s start request repeated too quickly, rebooting.", UNIT(s)->id); | |
2418 | ||
2419 | r = manager_add_job_by_name(UNIT(s)->manager, JOB_START, SPECIAL_REBOOT_TARGET, JOB_REPLACE, true, &error, NULL); | |
2420 | if (r < 0) { | |
2421 | log_error("Failed to reboot: %s.", bus_error(&error, r)); | |
2422 | dbus_error_free(&error); | |
2423 | } | |
2424 | ||
2425 | break; | |
2426 | } | |
2427 | ||
2428 | case SERVICE_START_LIMIT_REBOOT_FORCE: | |
6bda96a0 | 2429 | log_warning("%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id); |
4b939747 MO |
2430 | UNIT(s)->manager->exit_code = MANAGER_REBOOT; |
2431 | break; | |
2432 | ||
2433 | case SERVICE_START_LIMIT_REBOOT_IMMEDIATE: | |
2434 | log_warning("%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id); | |
2435 | reboot(RB_AUTOBOOT); | |
2436 | break; | |
2437 | ||
2438 | default: | |
2439 | log_error("start limit action=%i", s->start_limit_action); | |
2440 | assert_not_reached("Unknown StartLimitAction."); | |
2441 | } | |
2442 | ||
2443 | return -ECANCELED; | |
2444 | } | |
2445 | ||
87f0e418 LP |
2446 | static int service_start(Unit *u) { |
2447 | Service *s = SERVICE(u); | |
4b939747 | 2448 | int r; |
5cb5a6ff LP |
2449 | |
2450 | assert(s); | |
2451 | ||
034c6ed7 LP |
2452 | /* We cannot fulfill this request right now, try again later |
2453 | * please! */ | |
2454 | if (s->state == SERVICE_STOP || | |
2455 | s->state == SERVICE_STOP_SIGTERM || | |
2456 | s->state == SERVICE_STOP_SIGKILL || | |
2457 | s->state == SERVICE_STOP_POST || | |
2458 | s->state == SERVICE_FINAL_SIGTERM || | |
2459 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2460 | return -EAGAIN; |
2461 | ||
034c6ed7 LP |
2462 | /* Already on it! */ |
2463 | if (s->state == SERVICE_START_PRE || | |
2464 | s->state == SERVICE_START || | |
2465 | s->state == SERVICE_START_POST) | |
2466 | return 0; | |
2467 | ||
2e9d6c12 DW |
2468 | /* A service that will be restarted must be stopped first to |
2469 | * trigger BindTo and/or OnFailure dependencies. If a user | |
2470 | * does not want to wait for the holdoff time to elapse, the | |
2471 | * service should be manually restarted, not started. */ | |
2472 | if (s->state == SERVICE_AUTO_RESTART) { | |
2473 | log_warning("%s automatic restart is pending, must be stopped before issuing start request.", UNIT(s)->id); | |
2474 | return -ECANCELED; | |
2475 | } | |
2476 | ||
2477 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED); | |
5cb5a6ff | 2478 | |
1e2e8133 | 2479 | /* Make sure we don't enter a busy loop of some kind. */ |
4b939747 | 2480 | r = service_start_limit_test(s); |
c2f34808 MS |
2481 | if (r < 0) { |
2482 | service_notify_sockets_dead(s, true); | |
4b939747 | 2483 | return r; |
c2f34808 | 2484 | } |
1e2e8133 | 2485 | |
f42806df LP |
2486 | s->result = SERVICE_SUCCESS; |
2487 | s->reload_result = SERVICE_SUCCESS; | |
034c6ed7 | 2488 | s->main_pid_known = false; |
6dfa5494 | 2489 | s->main_pid_alien = false; |
47342320 | 2490 | s->forbid_restart = false; |
034c6ed7 LP |
2491 | |
2492 | service_enter_start_pre(s); | |
2493 | return 0; | |
5cb5a6ff LP |
2494 | } |
2495 | ||
87f0e418 LP |
2496 | static int service_stop(Unit *u) { |
2497 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2498 | |
2499 | assert(s); | |
2500 | ||
f0c7b229 | 2501 | /* Don't create restart jobs from here. */ |
47342320 | 2502 | s->forbid_restart = true; |
034c6ed7 | 2503 | |
e537352b LP |
2504 | /* Already on it */ |
2505 | if (s->state == SERVICE_STOP || | |
2506 | s->state == SERVICE_STOP_SIGTERM || | |
2507 | s->state == SERVICE_STOP_SIGKILL || | |
2508 | s->state == SERVICE_STOP_POST || | |
2509 | s->state == SERVICE_FINAL_SIGTERM || | |
2510 | s->state == SERVICE_FINAL_SIGKILL) | |
2511 | return 0; | |
2512 | ||
f0c7b229 | 2513 | /* A restart will be scheduled or is in progress. */ |
034c6ed7 | 2514 | if (s->state == SERVICE_AUTO_RESTART) { |
f0c7b229 | 2515 | service_enter_dead(s, SERVICE_SUCCESS, false); |
034c6ed7 LP |
2516 | return 0; |
2517 | } | |
2518 | ||
3f6c78dc LP |
2519 | /* If there's already something running we go directly into |
2520 | * kill mode. */ | |
2521 | if (s->state == SERVICE_START_PRE || | |
2522 | s->state == SERVICE_START || | |
2523 | s->state == SERVICE_START_POST || | |
2524 | s->state == SERVICE_RELOAD) { | |
f42806df | 2525 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_SUCCESS); |
3f6c78dc LP |
2526 | return 0; |
2527 | } | |
5cb5a6ff | 2528 | |
3f6c78dc LP |
2529 | assert(s->state == SERVICE_RUNNING || |
2530 | s->state == SERVICE_EXITED); | |
3a762661 | 2531 | |
f42806df | 2532 | service_enter_stop(s, SERVICE_SUCCESS); |
5cb5a6ff LP |
2533 | return 0; |
2534 | } | |
2535 | ||
87f0e418 LP |
2536 | static int service_reload(Unit *u) { |
2537 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2538 | |
2539 | assert(s); | |
2540 | ||
80876c20 | 2541 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2542 | |
2543 | service_enter_reload(s); | |
5cb5a6ff LP |
2544 | return 0; |
2545 | } | |
2546 | ||
87f0e418 LP |
2547 | static bool service_can_reload(Unit *u) { |
2548 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2549 | |
2550 | assert(s); | |
2551 | ||
2552 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2553 | } | |
2554 | ||
a16e1123 LP |
2555 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2556 | Service *s = SERVICE(u); | |
2557 | ||
2558 | assert(u); | |
2559 | assert(f); | |
2560 | assert(fds); | |
2561 | ||
2562 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
f42806df LP |
2563 | unit_serialize_item(u, f, "result", service_result_to_string(s->result)); |
2564 | unit_serialize_item(u, f, "reload-result", service_result_to_string(s->reload_result)); | |
a16e1123 LP |
2565 | |
2566 | if (s->control_pid > 0) | |
5925dd3c | 2567 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2568 | |
5925dd3c LP |
2569 | if (s->main_pid_known && s->main_pid > 0) |
2570 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2571 | |
2572 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2573 | ||
3a2776bc LP |
2574 | if (s->status_text) |
2575 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2576 | ||
cfc4eb4c LP |
2577 | /* FIXME: There's a minor uncleanliness here: if there are |
2578 | * multiple commands attached here, we will start from the | |
2579 | * first one again */ | |
a16e1123 | 2580 | if (s->control_command_id >= 0) |
825636e5 | 2581 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2582 | |
2583 | if (s->socket_fd >= 0) { | |
2584 | int copy; | |
2585 | ||
2586 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2587 | return copy; | |
2588 | ||
2589 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2590 | } | |
2591 | ||
ecdbca40 LP |
2592 | if (s->main_exec_status.pid > 0) { |
2593 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2594 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2595 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2596 | |
799fd0fd | 2597 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2598 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2599 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2600 | } | |
2601 | } | |
a6927d7f MO |
2602 | if (dual_timestamp_is_set(&s->watchdog_timestamp)) |
2603 | dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp); | |
ecdbca40 | 2604 | |
a16e1123 LP |
2605 | return 0; |
2606 | } | |
2607 | ||
2608 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2609 | Service *s = SERVICE(u); | |
a16e1123 LP |
2610 | |
2611 | assert(u); | |
2612 | assert(key); | |
2613 | assert(value); | |
2614 | assert(fds); | |
2615 | ||
2616 | if (streq(key, "state")) { | |
2617 | ServiceState state; | |
2618 | ||
2619 | if ((state = service_state_from_string(value)) < 0) | |
2620 | log_debug("Failed to parse state value %s", value); | |
2621 | else | |
2622 | s->deserialized_state = state; | |
f42806df LP |
2623 | } else if (streq(key, "result")) { |
2624 | ServiceResult f; | |
2625 | ||
2626 | f = service_result_from_string(value); | |
2627 | if (f < 0) | |
2628 | log_debug("Failed to parse result value %s", value); | |
2629 | else if (f != SERVICE_SUCCESS) | |
2630 | s->result = f; | |
2631 | ||
2632 | } else if (streq(key, "reload-result")) { | |
2633 | ServiceResult f; | |
2634 | ||
2635 | f = service_result_from_string(value); | |
2636 | if (f < 0) | |
2637 | log_debug("Failed to parse reload result value %s", value); | |
2638 | else if (f != SERVICE_SUCCESS) | |
2639 | s->reload_result = f; | |
a16e1123 | 2640 | |
a16e1123 | 2641 | } else if (streq(key, "control-pid")) { |
5925dd3c | 2642 | pid_t pid; |
a16e1123 | 2643 | |
e364ad06 | 2644 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2645 | log_debug("Failed to parse control-pid value %s", value); |
2646 | else | |
e55224ca | 2647 | s->control_pid = pid; |
a16e1123 | 2648 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2649 | pid_t pid; |
a16e1123 | 2650 | |
e364ad06 | 2651 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2652 | log_debug("Failed to parse main-pid value %s", value); |
2653 | else | |
5925dd3c | 2654 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2655 | } else if (streq(key, "main-pid-known")) { |
2656 | int b; | |
2657 | ||
2658 | if ((b = parse_boolean(value)) < 0) | |
2659 | log_debug("Failed to parse main-pid-known value %s", value); | |
2660 | else | |
2661 | s->main_pid_known = b; | |
3a2776bc LP |
2662 | } else if (streq(key, "status-text")) { |
2663 | char *t; | |
2664 | ||
2665 | if ((t = strdup(value))) { | |
2666 | free(s->status_text); | |
2667 | s->status_text = t; | |
2668 | } | |
2669 | ||
a16e1123 LP |
2670 | } else if (streq(key, "control-command")) { |
2671 | ServiceExecCommand id; | |
2672 | ||
2673 | if ((id = service_exec_command_from_string(value)) < 0) | |
2674 | log_debug("Failed to parse exec-command value %s", value); | |
2675 | else { | |
2676 | s->control_command_id = id; | |
2677 | s->control_command = s->exec_command[id]; | |
2678 | } | |
2679 | } else if (streq(key, "socket-fd")) { | |
2680 | int fd; | |
2681 | ||
2682 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2683 | log_debug("Failed to parse socket-fd value %s", value); | |
2684 | else { | |
2685 | ||
2686 | if (s->socket_fd >= 0) | |
2687 | close_nointr_nofail(s->socket_fd); | |
2688 | s->socket_fd = fdset_remove(fds, fd); | |
2689 | } | |
ecdbca40 LP |
2690 | } else if (streq(key, "main-exec-status-pid")) { |
2691 | pid_t pid; | |
2692 | ||
e364ad06 | 2693 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2694 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2695 | else | |
2696 | s->main_exec_status.pid = pid; | |
2697 | } else if (streq(key, "main-exec-status-code")) { | |
2698 | int i; | |
2699 | ||
e364ad06 | 2700 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2701 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2702 | else | |
2703 | s->main_exec_status.code = i; | |
2704 | } else if (streq(key, "main-exec-status-status")) { | |
2705 | int i; | |
2706 | ||
e364ad06 | 2707 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2708 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2709 | else | |
2710 | s->main_exec_status.status = i; | |
799fd0fd LP |
2711 | } else if (streq(key, "main-exec-status-start")) |
2712 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2713 | else if (streq(key, "main-exec-status-exit")) | |
2714 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
a6927d7f MO |
2715 | else if (streq(key, "watchdog-timestamp")) |
2716 | dual_timestamp_deserialize(value, &s->watchdog_timestamp); | |
799fd0fd | 2717 | else |
a16e1123 LP |
2718 | log_debug("Unknown serialization key '%s'", key); |
2719 | ||
2720 | return 0; | |
2721 | } | |
2722 | ||
87f0e418 | 2723 | static UnitActiveState service_active_state(Unit *u) { |
e056b01d LP |
2724 | const UnitActiveState *table; |
2725 | ||
87f0e418 | 2726 | assert(u); |
5cb5a6ff | 2727 | |
e056b01d LP |
2728 | table = SERVICE(u)->type == SERVICE_IDLE ? state_translation_table_idle : state_translation_table; |
2729 | ||
2730 | return table[SERVICE(u)->state]; | |
034c6ed7 LP |
2731 | } |
2732 | ||
10a94420 LP |
2733 | static const char *service_sub_state_to_string(Unit *u) { |
2734 | assert(u); | |
2735 | ||
2736 | return service_state_to_string(SERVICE(u)->state); | |
2737 | } | |
2738 | ||
701cc384 LP |
2739 | static bool service_check_gc(Unit *u) { |
2740 | Service *s = SERVICE(u); | |
2741 | ||
2742 | assert(s); | |
2743 | ||
6d55002a LP |
2744 | /* Never clean up services that still have a process around, |
2745 | * even if the service is formally dead. */ | |
2746 | if (cgroup_good(s) > 0 || | |
2747 | main_pid_good(s) > 0 || | |
2748 | control_pid_good(s) > 0) | |
2749 | return true; | |
2750 | ||
2751 | #ifdef HAVE_SYSV_COMPAT | |
1b64d026 | 2752 | if (s->is_sysv) |
6d55002a | 2753 | return true; |
07459bb6 | 2754 | #endif |
701cc384 | 2755 | |
6d55002a LP |
2756 | return false; |
2757 | } | |
2758 | ||
701cc384 LP |
2759 | static bool service_check_snapshot(Unit *u) { |
2760 | Service *s = SERVICE(u); | |
2761 | ||
2762 | assert(s); | |
2763 | ||
2764 | return !s->got_socket_fd; | |
2765 | } | |
2766 | ||
3a111838 MS |
2767 | static int service_retry_pid_file(Service *s) { |
2768 | int r; | |
2769 | ||
2770 | assert(s->pid_file); | |
2771 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2772 | ||
2773 | r = service_load_pid_file(s, false); | |
2774 | if (r < 0) | |
2775 | return r; | |
2776 | ||
2777 | service_unwatch_pid_file(s); | |
2778 | ||
f42806df | 2779 | service_enter_running(s, SERVICE_SUCCESS); |
3a111838 MS |
2780 | return 0; |
2781 | } | |
2782 | ||
2783 | static int service_watch_pid_file(Service *s) { | |
2784 | int r; | |
2785 | ||
1124fe6f | 2786 | log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path); |
57020a3a | 2787 | r = path_spec_watch(s->pid_file_pathspec, UNIT(s)); |
3a111838 MS |
2788 | if (r < 0) |
2789 | goto fail; | |
2790 | ||
2791 | /* the pidfile might have appeared just before we set the watch */ | |
2792 | service_retry_pid_file(s); | |
2793 | ||
2794 | return 0; | |
2795 | fail: | |
2796 | log_error("Failed to set a watch for %s's PID file %s: %s", | |
1124fe6f | 2797 | UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r)); |
3a111838 MS |
2798 | service_unwatch_pid_file(s); |
2799 | return r; | |
2800 | } | |
2801 | ||
2802 | static int service_demand_pid_file(Service *s) { | |
2803 | PathSpec *ps; | |
2804 | ||
2805 | assert(s->pid_file); | |
2806 | assert(!s->pid_file_pathspec); | |
2807 | ||
2808 | ps = new0(PathSpec, 1); | |
2809 | if (!ps) | |
2810 | return -ENOMEM; | |
2811 | ||
2812 | ps->path = strdup(s->pid_file); | |
2813 | if (!ps->path) { | |
2814 | free(ps); | |
2815 | return -ENOMEM; | |
2816 | } | |
2817 | ||
2818 | path_kill_slashes(ps->path); | |
2819 | ||
2820 | /* PATH_CHANGED would not be enough. There are daemons (sendmail) that | |
2821 | * keep their PID file open all the time. */ | |
2822 | ps->type = PATH_MODIFIED; | |
2823 | ps->inotify_fd = -1; | |
2824 | ||
2825 | s->pid_file_pathspec = ps; | |
2826 | ||
2827 | return service_watch_pid_file(s); | |
2828 | } | |
2829 | ||
2830 | static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) { | |
2831 | Service *s = SERVICE(u); | |
2832 | ||
2833 | assert(s); | |
2834 | assert(fd >= 0); | |
2835 | assert(s->state == SERVICE_START || s->state == SERVICE_START_POST); | |
2836 | assert(s->pid_file_pathspec); | |
57020a3a | 2837 | assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd)); |
3a111838 | 2838 | |
ac155bb8 | 2839 | log_debug("inotify event for %s", u->id); |
3a111838 | 2840 | |
57020a3a | 2841 | if (path_spec_fd_event(s->pid_file_pathspec, events) < 0) |
3a111838 MS |
2842 | goto fail; |
2843 | ||
2844 | if (service_retry_pid_file(s) == 0) | |
2845 | return; | |
2846 | ||
2847 | if (service_watch_pid_file(s) < 0) | |
2848 | goto fail; | |
2849 | ||
2850 | return; | |
2851 | fail: | |
2852 | service_unwatch_pid_file(s); | |
f42806df | 2853 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
2854 | } |
2855 | ||
87f0e418 LP |
2856 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2857 | Service *s = SERVICE(u); | |
f42806df | 2858 | ServiceResult f; |
5cb5a6ff LP |
2859 | |
2860 | assert(s); | |
034c6ed7 LP |
2861 | assert(pid >= 0); |
2862 | ||
f42806df LP |
2863 | if (UNIT(s)->fragment_path ? is_clean_exit(code, status) : is_clean_exit_lsb(code, status)) |
2864 | f = SERVICE_SUCCESS; | |
2865 | else if (code == CLD_EXITED) | |
2866 | f = SERVICE_FAILURE_EXIT_CODE; | |
2867 | else if (code == CLD_KILLED) | |
2868 | f = SERVICE_FAILURE_SIGNAL; | |
2869 | else if (code == CLD_DUMPED) | |
2870 | f = SERVICE_FAILURE_CORE_DUMP; | |
d06dacd0 | 2871 | else |
cfc4eb4c | 2872 | assert_not_reached("Unknown code"); |
034c6ed7 LP |
2873 | |
2874 | if (s->main_pid == pid) { | |
db01f8b3 MS |
2875 | /* Forking services may occasionally move to a new PID. |
2876 | * As long as they update the PID file before exiting the old | |
2877 | * PID, they're fine. */ | |
5375410b | 2878 | if (service_load_pid_file(s, false) == 0) |
db01f8b3 | 2879 | return; |
034c6ed7 | 2880 | |
034c6ed7 | 2881 | s->main_pid = 0; |
6ea832a2 | 2882 | exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status); |
034c6ed7 | 2883 | |
867b3b7d LP |
2884 | /* If this is not a forking service than the main |
2885 | * process got started and hence we copy the exit | |
2886 | * status so that it is recorded both as main and as | |
2887 | * control process exit status */ | |
2888 | if (s->main_command) { | |
2889 | s->main_command->exec_status = s->main_exec_status; | |
b708e7ce | 2890 | |
867b3b7d | 2891 | if (s->main_command->ignore) |
f42806df | 2892 | f = SERVICE_SUCCESS; |
034c6ed7 LP |
2893 | } |
2894 | ||
f42806df | 2895 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2896 | "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2897 | |
2898 | if (f != SERVICE_SUCCESS) | |
2899 | s->result = f; | |
034c6ed7 | 2900 | |
867b3b7d LP |
2901 | if (s->main_command && |
2902 | s->main_command->command_next && | |
f42806df | 2903 | f == SERVICE_SUCCESS) { |
034c6ed7 | 2904 | |
34e9ba66 LP |
2905 | /* There is another command to * |
2906 | * execute, so let's do that. */ | |
034c6ed7 | 2907 | |
ac155bb8 | 2908 | log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2909 | service_run_next_main(s); |
034c6ed7 | 2910 | |
34e9ba66 LP |
2911 | } else { |
2912 | ||
2913 | /* The service exited, so the service is officially | |
2914 | * gone. */ | |
867b3b7d | 2915 | s->main_command = NULL; |
34e9ba66 LP |
2916 | |
2917 | switch (s->state) { | |
2918 | ||
2919 | case SERVICE_START_POST: | |
2920 | case SERVICE_RELOAD: | |
2921 | case SERVICE_STOP: | |
2922 | /* Need to wait until the operation is | |
2923 | * done */ | |
c4653a4d | 2924 | break; |
7d55e835 | 2925 | |
34e9ba66 LP |
2926 | case SERVICE_START: |
2927 | if (s->type == SERVICE_ONESHOT) { | |
2928 | /* This was our main goal, so let's go on */ | |
f42806df | 2929 | if (f == SERVICE_SUCCESS) |
34e9ba66 LP |
2930 | service_enter_start_post(s); |
2931 | else | |
f42806df | 2932 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
34e9ba66 LP |
2933 | break; |
2934 | } else { | |
2935 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2936 | |
34e9ba66 LP |
2937 | /* Fall through */ |
2938 | } | |
034c6ed7 | 2939 | |
34e9ba66 | 2940 | case SERVICE_RUNNING: |
f42806df | 2941 | service_enter_running(s, f); |
34e9ba66 | 2942 | break; |
034c6ed7 | 2943 | |
34e9ba66 LP |
2944 | case SERVICE_STOP_SIGTERM: |
2945 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2946 | |
34e9ba66 | 2947 | if (!control_pid_good(s)) |
f42806df | 2948 | service_enter_stop_post(s, f); |
5cb5a6ff | 2949 | |
34e9ba66 LP |
2950 | /* If there is still a control process, wait for that first */ |
2951 | break; | |
2952 | ||
2953 | default: | |
2954 | assert_not_reached("Uh, main process died at wrong time."); | |
2955 | } | |
034c6ed7 | 2956 | } |
5cb5a6ff | 2957 | |
034c6ed7 | 2958 | } else if (s->control_pid == pid) { |
034c6ed7 | 2959 | |
34e9ba66 LP |
2960 | s->control_pid = 0; |
2961 | ||
b708e7ce | 2962 | if (s->control_command) { |
6ea832a2 | 2963 | exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status); |
a16e1123 | 2964 | |
b708e7ce | 2965 | if (s->control_command->ignore) |
f42806df | 2966 | f = SERVICE_SUCCESS; |
b708e7ce LP |
2967 | } |
2968 | ||
f42806df | 2969 | log_full(f == SERVICE_SUCCESS ? LOG_DEBUG : LOG_NOTICE, |
ac155bb8 | 2970 | "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status); |
f42806df LP |
2971 | |
2972 | if (f != SERVICE_SUCCESS) | |
2973 | s->result = f; | |
034c6ed7 | 2974 | |
88f3e0c9 LP |
2975 | /* Immediately get rid of the cgroup, so that the |
2976 | * kernel doesn't delay the cgroup empty messages for | |
2977 | * the service cgroup any longer than necessary */ | |
2978 | cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, true, NULL, "control"); | |
2979 | ||
34e9ba66 LP |
2980 | if (s->control_command && |
2981 | s->control_command->command_next && | |
f42806df | 2982 | f == SERVICE_SUCCESS) { |
034c6ed7 LP |
2983 | |
2984 | /* There is another command to * | |
2985 | * execute, so let's do that. */ | |
2986 | ||
ac155bb8 | 2987 | log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state)); |
f42806df | 2988 | service_run_next_control(s); |
034c6ed7 | 2989 | |
80876c20 | 2990 | } else { |
034c6ed7 LP |
2991 | /* No further commands for this step, so let's |
2992 | * figure out what to do next */ | |
2993 | ||
a16e1123 LP |
2994 | s->control_command = NULL; |
2995 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2996 | ||
ac155bb8 | 2997 | log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state)); |
bd982a8b | 2998 | |
034c6ed7 LP |
2999 | switch (s->state) { |
3000 | ||
3001 | case SERVICE_START_PRE: | |
f42806df | 3002 | if (f == SERVICE_SUCCESS) |
034c6ed7 LP |
3003 | service_enter_start(s); |
3004 | else | |
f42806df | 3005 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); |
034c6ed7 LP |
3006 | break; |
3007 | ||
3008 | case SERVICE_START: | |
3009 | assert(s->type == SERVICE_FORKING); | |
3010 | ||
f42806df LP |
3011 | if (f != SERVICE_SUCCESS) { |
3012 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, f); | |
3a111838 MS |
3013 | break; |
3014 | } | |
034c6ed7 | 3015 | |
3a111838 | 3016 | if (s->pid_file) { |
f42806df LP |
3017 | bool has_start_post; |
3018 | int r; | |
3019 | ||
3a111838 MS |
3020 | /* Let's try to load the pid file here if we can. |
3021 | * The PID file might actually be created by a START_POST | |
3022 | * script. In that case don't worry if the loading fails. */ | |
f42806df LP |
3023 | |
3024 | has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST]; | |
3025 | r = service_load_pid_file(s, !has_start_post); | |
3a111838 MS |
3026 | if (!has_start_post && r < 0) { |
3027 | r = service_demand_pid_file(s); | |
3028 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3029 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3030 | break; |
3031 | } | |
034c6ed7 | 3032 | } else |
3a111838 | 3033 | service_search_main_pid(s); |
034c6ed7 | 3034 | |
3a111838 | 3035 | service_enter_start_post(s); |
034c6ed7 LP |
3036 | break; |
3037 | ||
3038 | case SERVICE_START_POST: | |
f42806df LP |
3039 | if (f != SERVICE_SUCCESS) { |
3040 | service_enter_stop(s, f); | |
2096e009 | 3041 | break; |
034c6ed7 LP |
3042 | } |
3043 | ||
2096e009 | 3044 | if (s->pid_file) { |
f42806df LP |
3045 | int r; |
3046 | ||
3047 | r = service_load_pid_file(s, true); | |
2096e009 MS |
3048 | if (r < 0) { |
3049 | r = service_demand_pid_file(s); | |
3050 | if (r < 0 || !cgroup_good(s)) | |
f42806df | 3051 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
2096e009 MS |
3052 | break; |
3053 | } | |
3054 | } else | |
3055 | service_search_main_pid(s); | |
3056 | ||
f42806df | 3057 | service_enter_running(s, SERVICE_SUCCESS); |
3185a36b | 3058 | break; |
034c6ed7 LP |
3059 | |
3060 | case SERVICE_RELOAD: | |
f42806df | 3061 | if (f == SERVICE_SUCCESS) { |
5375410b | 3062 | service_load_pid_file(s, true); |
3185a36b LP |
3063 | service_search_main_pid(s); |
3064 | } | |
3065 | ||
f42806df LP |
3066 | s->reload_result = f; |
3067 | service_enter_running(s, SERVICE_SUCCESS); | |
034c6ed7 LP |
3068 | break; |
3069 | ||
3070 | case SERVICE_STOP: | |
f42806df | 3071 | service_enter_signal(s, SERVICE_STOP_SIGTERM, f); |
034c6ed7 LP |
3072 | break; |
3073 | ||
3074 | case SERVICE_STOP_SIGTERM: | |
3075 | case SERVICE_STOP_SIGKILL: | |
3076 | if (main_pid_good(s) <= 0) | |
f42806df | 3077 | service_enter_stop_post(s, f); |
034c6ed7 LP |
3078 | |
3079 | /* If there is still a service | |
3080 | * process around, wait until | |
3081 | * that one quit, too */ | |
3082 | break; | |
3083 | ||
3084 | case SERVICE_STOP_POST: | |
3085 | case SERVICE_FINAL_SIGTERM: | |
3086 | case SERVICE_FINAL_SIGKILL: | |
f42806df | 3087 | service_enter_dead(s, f, true); |
034c6ed7 LP |
3088 | break; |
3089 | ||
3090 | default: | |
3091 | assert_not_reached("Uh, control process died at wrong time."); | |
3092 | } | |
3093 | } | |
8c47c732 | 3094 | } |
c4e2ceae LP |
3095 | |
3096 | /* Notify clients about changed exit status */ | |
3097 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
3098 | } |
3099 | ||
acbb0225 | 3100 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 3101 | Service *s = SERVICE(u); |
034c6ed7 LP |
3102 | |
3103 | assert(s); | |
3104 | assert(elapsed == 1); | |
3105 | ||
bb242b7b MO |
3106 | if (w == &s->watchdog_watch) { |
3107 | service_handle_watchdog(s); | |
3108 | return; | |
3109 | } | |
3110 | ||
acbb0225 | 3111 | assert(w == &s->timer_watch); |
034c6ed7 LP |
3112 | |
3113 | switch (s->state) { | |
3114 | ||
3115 | case SERVICE_START_PRE: | |
3116 | case SERVICE_START: | |
ac155bb8 | 3117 | log_warning("%s operation timed out. Terminating.", u->id); |
f42806df | 3118 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
80876c20 LP |
3119 | break; |
3120 | ||
034c6ed7 | 3121 | case SERVICE_START_POST: |
ac155bb8 | 3122 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df | 3123 | service_enter_stop(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3124 | break; |
3125 | ||
e2f3b44c | 3126 | case SERVICE_RELOAD: |
ac155bb8 | 3127 | log_warning("%s operation timed out. Stopping.", u->id); |
f42806df LP |
3128 | s->reload_result = SERVICE_FAILURE_TIMEOUT; |
3129 | service_enter_running(s, SERVICE_SUCCESS); | |
e2f3b44c LP |
3130 | break; |
3131 | ||
034c6ed7 | 3132 | case SERVICE_STOP: |
ac155bb8 | 3133 | log_warning("%s stopping timed out. Terminating.", u->id); |
f42806df | 3134 | service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3135 | break; |
3136 | ||
3137 | case SERVICE_STOP_SIGTERM: | |
ba035df2 | 3138 | if (s->exec_context.send_sigkill) { |
ac155bb8 | 3139 | log_warning("%s stopping timed out. Killing.", u->id); |
f42806df | 3140 | service_enter_signal(s, SERVICE_STOP_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3141 | } else { |
ac155bb8 | 3142 | log_warning("%s stopping timed out. Skipping SIGKILL.", u->id); |
f42806df | 3143 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
ba035df2 LP |
3144 | } |
3145 | ||
034c6ed7 LP |
3146 | break; |
3147 | ||
3148 | case SERVICE_STOP_SIGKILL: | |
35b8ca3a | 3149 | /* Uh, we sent a SIGKILL and it is still not gone? |
034c6ed7 LP |
3150 | * Must be something we cannot kill, so let's just be |
3151 | * weirded out and continue */ | |
3152 | ||
ac155bb8 | 3153 | log_warning("%s still around after SIGKILL. Ignoring.", u->id); |
f42806df | 3154 | service_enter_stop_post(s, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3155 | break; |
3156 | ||
3157 | case SERVICE_STOP_POST: | |
ac155bb8 | 3158 | log_warning("%s stopping timed out (2). Terminating.", u->id); |
f42806df | 3159 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_TIMEOUT); |
034c6ed7 LP |
3160 | break; |
3161 | ||
3162 | case SERVICE_FINAL_SIGTERM: | |
ba035df2 | 3163 | if (s->exec_context.send_sigkill) { |
ac155bb8 | 3164 | log_warning("%s stopping timed out (2). Killing.", u->id); |
f42806df | 3165 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, SERVICE_FAILURE_TIMEOUT); |
ba035df2 | 3166 | } else { |
ac155bb8 | 3167 | log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id); |
f42806df | 3168 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, false); |
ba035df2 LP |
3169 | } |
3170 | ||
034c6ed7 LP |
3171 | break; |
3172 | ||
3173 | case SERVICE_FINAL_SIGKILL: | |
ac155bb8 | 3174 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id); |
f42806df | 3175 | service_enter_dead(s, SERVICE_FAILURE_TIMEOUT, true); |
034c6ed7 LP |
3176 | break; |
3177 | ||
3178 | case SERVICE_AUTO_RESTART: | |
ac155bb8 | 3179 | log_info("%s holdoff time over, scheduling restart.", u->id); |
034c6ed7 LP |
3180 | service_enter_restart(s); |
3181 | break; | |
3182 | ||
3183 | default: | |
3184 | assert_not_reached("Timeout at wrong time."); | |
3185 | } | |
5cb5a6ff LP |
3186 | } |
3187 | ||
8e274523 LP |
3188 | static void service_cgroup_notify_event(Unit *u) { |
3189 | Service *s = SERVICE(u); | |
3190 | ||
3191 | assert(u); | |
3192 | ||
ac155bb8 | 3193 | log_debug("%s: cgroup is empty", u->id); |
8e274523 LP |
3194 | |
3195 | switch (s->state) { | |
3196 | ||
3197 | /* Waiting for SIGCHLD is usually more interesting, | |
3198 | * because it includes return codes/signals. Which is | |
3199 | * why we ignore the cgroup events for most cases, | |
3200 | * except when we don't know pid which to expect the | |
3201 | * SIGCHLD for. */ | |
3202 | ||
3a111838 MS |
3203 | case SERVICE_START: |
3204 | case SERVICE_START_POST: | |
3205 | /* If we were hoping for the daemon to write its PID file, | |
3206 | * we can give up now. */ | |
3207 | if (s->pid_file_pathspec) { | |
1124fe6f | 3208 | log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id); |
3a111838 MS |
3209 | service_unwatch_pid_file(s); |
3210 | if (s->state == SERVICE_START) | |
f42806df | 3211 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, SERVICE_FAILURE_RESOURCES); |
3a111838 | 3212 | else |
f42806df | 3213 | service_enter_stop(s, SERVICE_FAILURE_RESOURCES); |
3a111838 MS |
3214 | } |
3215 | break; | |
3216 | ||
8e274523 | 3217 | case SERVICE_RUNNING: |
f42806df LP |
3218 | /* service_enter_running() will figure out what to do */ |
3219 | service_enter_running(s, SERVICE_SUCCESS); | |
8e274523 LP |
3220 | break; |
3221 | ||
28708d8a LP |
3222 | case SERVICE_STOP_SIGTERM: |
3223 | case SERVICE_STOP_SIGKILL: | |
6dfa5494 | 3224 | |
28708d8a | 3225 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) |
f42806df | 3226 | service_enter_stop_post(s, SERVICE_SUCCESS); |
28708d8a LP |
3227 | |
3228 | break; | |
3229 | ||
7f97f0fe LP |
3230 | case SERVICE_FINAL_SIGTERM: |
3231 | case SERVICE_FINAL_SIGKILL: | |
3232 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
f42806df | 3233 | service_enter_dead(s, SERVICE_SUCCESS, SERVICE_SUCCESS); |
7f97f0fe LP |
3234 | |
3235 | break; | |
3236 | ||
8e274523 LP |
3237 | default: |
3238 | ; | |
3239 | } | |
3240 | } | |
3241 | ||
c952c6ec | 3242 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
3243 | Service *s = SERVICE(u); |
3244 | const char *e; | |
3245 | ||
3246 | assert(u); | |
3247 | ||
c952c6ec LP |
3248 | if (s->notify_access == NOTIFY_NONE) { |
3249 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
ac155bb8 | 3250 | u->id, (unsigned long) pid); |
c952c6ec LP |
3251 | return; |
3252 | } | |
3253 | ||
3254 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
3255 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
ac155bb8 | 3256 | u->id, (unsigned long) pid, (unsigned long) s->main_pid); |
c952c6ec LP |
3257 | return; |
3258 | } | |
3259 | ||
ac155bb8 | 3260 | log_debug("%s: Got message", u->id); |
8c47c732 LP |
3261 | |
3262 | /* Interpret MAINPID= */ | |
3263 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
3264 | (s->state == SERVICE_START || | |
3265 | s->state == SERVICE_START_POST || | |
3266 | s->state == SERVICE_RUNNING || | |
3267 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 3268 | |
5925dd3c | 3269 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 3270 | log_warning("Failed to parse notification message %s", e); |
8c47c732 | 3271 | else { |
ac155bb8 | 3272 | log_debug("%s: got %s", u->id, e); |
5925dd3c | 3273 | service_set_main_pid(s, pid); |
8c47c732 LP |
3274 | } |
3275 | } | |
3276 | ||
3277 | /* Interpret READY= */ | |
3278 | if (s->type == SERVICE_NOTIFY && | |
3279 | s->state == SERVICE_START && | |
3280 | strv_find(tags, "READY=1")) { | |
ac155bb8 | 3281 | log_debug("%s: got READY=1", u->id); |
8c47c732 LP |
3282 | |
3283 | service_enter_start_post(s); | |
3284 | } | |
3285 | ||
3286 | /* Interpret STATUS= */ | |
7f110ff9 LP |
3287 | e = strv_find_prefix(tags, "STATUS="); |
3288 | if (e) { | |
8c47c732 LP |
3289 | char *t; |
3290 | ||
3a2776bc | 3291 | if (e[7]) { |
7f110ff9 LP |
3292 | |
3293 | if (!utf8_is_valid(e+7)) { | |
3294 | log_warning("Status message in notification is not UTF-8 clean."); | |
3295 | return; | |
3296 | } | |
3297 | ||
3298 | t = strdup(e+7); | |
3299 | if (!t) { | |
3a2776bc LP |
3300 | log_error("Failed to allocate string."); |
3301 | return; | |
3302 | } | |
3303 | ||
ac155bb8 | 3304 | log_debug("%s: got %s", u->id, e); |
8c47c732 | 3305 | |
3a2776bc LP |
3306 | free(s->status_text); |
3307 | s->status_text = t; | |
3308 | } else { | |
3309 | free(s->status_text); | |
3310 | s->status_text = NULL; | |
3311 | } | |
8c47c732 | 3312 | |
8c47c732 | 3313 | } |
a6927d7f MO |
3314 | if (strv_find(tags, "WATCHDOG=1")) { |
3315 | log_debug("%s: got WATCHDOG=1", u->id); | |
3316 | service_reset_watchdog(s); | |
3317 | } | |
c4e2ceae LP |
3318 | |
3319 | /* Notify clients about changed status or main pid */ | |
3320 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
3321 | } |
3322 | ||
07459bb6 | 3323 | #ifdef HAVE_SYSV_COMPAT |
de3910a3 FC |
3324 | |
3325 | #ifdef TARGET_SUSE | |
3326 | static void sysv_facility_in_insserv_conf(Manager *mgr) { | |
3327 | FILE *f=NULL; | |
3328 | int r; | |
3329 | ||
3330 | if (!(f = fopen("/etc/insserv.conf", "re"))) { | |
3331 | r = errno == ENOENT ? 0 : -errno; | |
3332 | goto finish; | |
3333 | } | |
3334 | ||
3335 | while (!feof(f)) { | |
3336 | char l[LINE_MAX], *t; | |
3337 | char **parsed = NULL; | |
3338 | ||
3339 | if (!fgets(l, sizeof(l), f)) { | |
3340 | if (feof(f)) | |
3341 | break; | |
3342 | ||
3343 | r = -errno; | |
3344 | log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r)); | |
3345 | goto finish; | |
3346 | } | |
3347 | ||
3348 | t = strstrip(l); | |
3349 | if (*t != '$' && *t != '<') | |
3350 | continue; | |
3351 | ||
3352 | parsed = strv_split(t,WHITESPACE); | |
3353 | /* we ignore <interactive>, not used, equivalent to X-Interactive */ | |
3354 | if (parsed && !startswith_no_case (parsed[0], "<interactive>")) { | |
3355 | char *facility; | |
3356 | Unit *u; | |
3357 | if (sysv_translate_facility(parsed[0], NULL, &facility) < 0) | |
3358 | continue; | |
ac155bb8 | 3359 | if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) { |
de3910a3 FC |
3360 | UnitDependency e; |
3361 | char *dep = NULL, *name, **j; | |
3362 | ||
3363 | STRV_FOREACH (j, parsed+1) { | |
3364 | if (*j[0]=='+') { | |
3365 | e = UNIT_WANTS; | |
3366 | name = *j+1; | |
3367 | } | |
3368 | else { | |
3369 | e = UNIT_REQUIRES; | |
3370 | name = *j; | |
3371 | } | |
3372 | if (sysv_translate_facility(name, NULL, &dep) < 0) | |
3373 | continue; | |
3374 | ||
3375 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true); | |
3376 | free(dep); | |
3377 | } | |
3378 | } | |
3379 | free(facility); | |
3380 | } | |
3381 | strv_free(parsed); | |
3382 | } | |
3383 | finish: | |
3384 | if (f) | |
3385 | fclose(f); | |
3386 | ||
3387 | } | |
3388 | #endif | |
3389 | ||
2c4104f0 | 3390 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
3391 | char **p; |
3392 | unsigned i; | |
3393 | DIR *d = NULL; | |
3394 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
3395 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
3396 | Unit *service; | |
3397 | Iterator j; | |
2c4104f0 LP |
3398 | int r; |
3399 | ||
3400 | assert(m); | |
3401 | ||
b1bc08e5 LP |
3402 | if (m->running_as != MANAGER_SYSTEM) |
3403 | return 0; | |
3404 | ||
c68364b7 LP |
3405 | zero(runlevel_services); |
3406 | ||
84e3543e | 3407 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 3408 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
3409 | struct dirent *de; |
3410 | ||
3411 | free(path); | |
70132bd0 LP |
3412 | path = join(*p, "/", rcnd_table[i].path, NULL); |
3413 | if (!path) { | |
2c4104f0 LP |
3414 | r = -ENOMEM; |
3415 | goto finish; | |
3416 | } | |
3417 | ||
3418 | if (d) | |
3419 | closedir(d); | |
3420 | ||
3421 | if (!(d = opendir(path))) { | |
3422 | if (errno != ENOENT) | |
3423 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
3424 | ||
3425 | continue; | |
3426 | } | |
3427 | ||
3428 | while ((de = readdir(d))) { | |
db06e3b6 | 3429 | int a, b; |
2c4104f0 LP |
3430 | |
3431 | if (ignore_file(de->d_name)) | |
3432 | continue; | |
3433 | ||
3434 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
3435 | continue; | |
3436 | ||
3437 | if (strlen(de->d_name) < 4) | |
3438 | continue; | |
3439 | ||
db06e3b6 LP |
3440 | a = undecchar(de->d_name[1]); |
3441 | b = undecchar(de->d_name[2]); | |
3442 | ||
3443 | if (a < 0 || b < 0) | |
3444 | continue; | |
3445 | ||
2c4104f0 | 3446 | free(fpath); |
44d91056 | 3447 | fpath = join(path, "/", de->d_name, NULL); |
8ea913b2 | 3448 | if (!fpath) { |
2c4104f0 LP |
3449 | r = -ENOMEM; |
3450 | goto finish; | |
3451 | } | |
3452 | ||
3453 | if (access(fpath, X_OK) < 0) { | |
3454 | ||
3455 | if (errno != ENOENT) | |
3456 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
3457 | ||
3458 | continue; | |
3459 | } | |
3460 | ||
3461 | free(name); | |
b7ccee3c | 3462 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
3463 | r = -ENOMEM; |
3464 | goto finish; | |
3465 | } | |
3466 | ||
398ef8ba | 3467 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
3468 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
3469 | continue; | |
3470 | } | |
2c4104f0 | 3471 | |
c68364b7 LP |
3472 | if (de->d_name[0] == 'S') { |
3473 | ||
f73d93a4 | 3474 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
ea87ca5a LP |
3475 | SERVICE(service)->sysv_start_priority_from_rcnd = |
3476 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd); | |
db06e3b6 | 3477 | |
c68364b7 | 3478 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3479 | } |
db06e3b6 | 3480 | |
c68364b7 LP |
3481 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
3482 | goto finish; | |
2c4104f0 | 3483 | |
c68364b7 | 3484 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 3485 | goto finish; |
23a177ef | 3486 | |
fc5df99e LP |
3487 | } else if (de->d_name[0] == 'K' && |
3488 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
3489 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3490 | |
c68364b7 LP |
3491 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3492 | goto finish; | |
3493 | ||
3494 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3495 | goto finish; |
3496 | } | |
3497 | } | |
3498 | } | |
3499 | ||
c68364b7 LP |
3500 | /* Now we loaded all stubs and are aware of the lowest |
3501 | start-up priority for all services, not let's actually load | |
3502 | the services, this will also tell us which services are | |
3503 | actually native now */ | |
3504 | manager_dispatch_load_queue(m); | |
3505 | ||
3506 | /* If this is a native service, rely on native ways to pull in | |
3507 | * a service, don't pull it in via sysv rcN.d links. */ | |
3508 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3509 | SET_FOREACH(service, runlevel_services[i], j) { | |
3510 | service = unit_follow_merge(service); | |
3511 | ||
ac155bb8 | 3512 | if (service->fragment_path) |
c68364b7 LP |
3513 | continue; |
3514 | ||
3515 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3516 | goto finish; | |
3517 | } | |
3518 | ||
3519 | /* We honour K links only for halt/reboot. For the normal | |
3520 | * runlevels we assume the stop jobs will be implicitly added | |
35b8ca3a | 3521 | * by the core logic. Also, we don't really distinguish here |
c68364b7 LP |
3522 | * between the runlevels 0 and 6 and just add them to the |
3523 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3524 | * also used for shutdown, so we add links for that too to the | |
3525 | * shutdown target.*/ | |
3526 | SET_FOREACH(service, shutdown_services, j) { | |
3527 | service = unit_follow_merge(service); | |
3528 | ||
ac155bb8 | 3529 | if (service->fragment_path) |
c68364b7 LP |
3530 | continue; |
3531 | ||
ead8e478 | 3532 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3533 | goto finish; |
3534 | } | |
3535 | ||
2c4104f0 LP |
3536 | r = 0; |
3537 | ||
de3910a3 | 3538 | #ifdef TARGET_SUSE |
3a111838 | 3539 | sysv_facility_in_insserv_conf (m); |
de3910a3 FC |
3540 | #endif |
3541 | ||
2c4104f0 LP |
3542 | finish: |
3543 | free(path); | |
3544 | free(fpath); | |
3545 | free(name); | |
fbe9f3a9 | 3546 | |
c68364b7 LP |
3547 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3548 | set_free(runlevel_services[i]); | |
3549 | set_free(shutdown_services); | |
3550 | ||
fbe9f3a9 LP |
3551 | if (d) |
3552 | closedir(d); | |
2c4104f0 LP |
3553 | |
3554 | return r; | |
3555 | } | |
07459bb6 | 3556 | #endif |
2c4104f0 | 3557 | |
05e343b7 LP |
3558 | static void service_bus_name_owner_change( |
3559 | Unit *u, | |
3560 | const char *name, | |
3561 | const char *old_owner, | |
3562 | const char *new_owner) { | |
3563 | ||
3564 | Service *s = SERVICE(u); | |
3565 | ||
3566 | assert(s); | |
3567 | assert(name); | |
3568 | ||
3569 | assert(streq(s->bus_name, name)); | |
3570 | assert(old_owner || new_owner); | |
3571 | ||
3572 | if (old_owner && new_owner) | |
ac155bb8 | 3573 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner); |
05e343b7 | 3574 | else if (old_owner) |
ac155bb8 | 3575 | log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner); |
05e343b7 | 3576 | else |
ac155bb8 | 3577 | log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner); |
05e343b7 LP |
3578 | |
3579 | s->bus_name_good = !!new_owner; | |
3580 | ||
3581 | if (s->type == SERVICE_DBUS) { | |
3582 | ||
3583 | /* service_enter_running() will figure out what to | |
3584 | * do */ | |
3585 | if (s->state == SERVICE_RUNNING) | |
f42806df | 3586 | service_enter_running(s, SERVICE_SUCCESS); |
05e343b7 LP |
3587 | else if (s->state == SERVICE_START && new_owner) |
3588 | service_enter_start_post(s); | |
3589 | ||
3590 | } else if (new_owner && | |
3591 | s->main_pid <= 0 && | |
3592 | (s->state == SERVICE_START || | |
3593 | s->state == SERVICE_START_POST || | |
3594 | s->state == SERVICE_RUNNING || | |
3595 | s->state == SERVICE_RELOAD)) { | |
3596 | ||
3597 | /* Try to acquire PID from bus service */ | |
3598 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3599 | ||
ac155bb8 | 3600 | bus_query_pid(u->manager, name); |
05e343b7 LP |
3601 | } |
3602 | } | |
3603 | ||
3604 | static void service_bus_query_pid_done( | |
3605 | Unit *u, | |
3606 | const char *name, | |
3607 | pid_t pid) { | |
3608 | ||
3609 | Service *s = SERVICE(u); | |
3610 | ||
3611 | assert(s); | |
3612 | assert(name); | |
3613 | ||
ac155bb8 | 3614 | log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid); |
05e343b7 LP |
3615 | |
3616 | if (s->main_pid <= 0 && | |
3617 | (s->state == SERVICE_START || | |
3618 | s->state == SERVICE_START_POST || | |
3619 | s->state == SERVICE_RUNNING || | |
3620 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3621 | service_set_main_pid(s, pid); |
05e343b7 LP |
3622 | } |
3623 | ||
6cf6bbc2 | 3624 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
57020a3a | 3625 | |
4f2d528d LP |
3626 | assert(s); |
3627 | assert(fd >= 0); | |
3628 | ||
3629 | /* This is called by the socket code when instantiating a new | |
3630 | * service for a stream socket and the socket needs to be | |
3631 | * configured. */ | |
3632 | ||
1124fe6f | 3633 | if (UNIT(s)->load_state != UNIT_LOADED) |
4f2d528d LP |
3634 | return -EINVAL; |
3635 | ||
3636 | if (s->socket_fd >= 0) | |
3637 | return -EBUSY; | |
3638 | ||
3639 | if (s->state != SERVICE_DEAD) | |
3640 | return -EAGAIN; | |
3641 | ||
3642 | s->socket_fd = fd; | |
701cc384 | 3643 | s->got_socket_fd = true; |
6cf6bbc2 | 3644 | |
57020a3a LP |
3645 | unit_ref_set(&s->accept_socket, UNIT(sock)); |
3646 | ||
3647 | return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false); | |
4f2d528d LP |
3648 | } |
3649 | ||
fdf20a31 | 3650 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3651 | Service *s = SERVICE(u); |
3652 | ||
3653 | assert(s); | |
3654 | ||
fdf20a31 | 3655 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3656 | service_set_state(s, SERVICE_DEAD); |
3657 | ||
f42806df LP |
3658 | s->result = SERVICE_SUCCESS; |
3659 | s->reload_result = SERVICE_SUCCESS; | |
5632e374 LP |
3660 | } |
3661 | ||
8a0867d6 LP |
3662 | static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { |
3663 | Service *s = SERVICE(u); | |
3664 | int r = 0; | |
3665 | Set *pid_set = NULL; | |
3666 | ||
3667 | assert(s); | |
3668 | ||
3669 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3670 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
a17204af | 3671 | return -ESRCH; |
8a0867d6 LP |
3672 | } |
3673 | ||
3674 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3675 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
a17204af | 3676 | return -ESRCH; |
8a0867d6 LP |
3677 | } |
3678 | ||
3611581e LP |
3679 | if (who == KILL_CONTROL || who == KILL_ALL) |
3680 | if (s->control_pid > 0) | |
3681 | if (kill(s->control_pid, signo) < 0) | |
3682 | r = -errno; | |
8a0867d6 | 3683 | |
3611581e LP |
3684 | if (who == KILL_MAIN || who == KILL_ALL) |
3685 | if (s->main_pid > 0) | |
3686 | if (kill(s->main_pid, signo) < 0) | |
3687 | r = -errno; | |
8a0867d6 | 3688 | |
3611581e | 3689 | if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) { |
8a0867d6 LP |
3690 | int q; |
3691 | ||
3692 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) | |
3693 | return -ENOMEM; | |
3694 | ||
3695 | /* Exclude the control/main pid from being killed via the cgroup */ | |
3696 | if (s->control_pid > 0) | |
3697 | if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { | |
3698 | r = q; | |
3699 | goto finish; | |
3700 | } | |
3701 | ||
3702 | if (s->main_pid > 0) | |
3703 | if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) { | |
3704 | r = q; | |
3705 | goto finish; | |
3706 | } | |
88f3e0c9 | 3707 | q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, false, pid_set, NULL); |
ecedd90f | 3708 | if (q < 0) |
3611581e | 3709 | if (q != -EAGAIN && q != -ESRCH && q != -ENOENT) |
8a0867d6 LP |
3710 | r = q; |
3711 | } | |
3712 | ||
3713 | finish: | |
3714 | if (pid_set) | |
3715 | set_free(pid_set); | |
3716 | ||
3717 | return r; | |
3718 | } | |
3719 | ||
94f04347 LP |
3720 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3721 | [SERVICE_DEAD] = "dead", | |
3722 | [SERVICE_START_PRE] = "start-pre", | |
3723 | [SERVICE_START] = "start", | |
3724 | [SERVICE_START_POST] = "start-post", | |
3725 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3726 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3727 | [SERVICE_RELOAD] = "reload", |
3728 | [SERVICE_STOP] = "stop", | |
3729 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3730 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3731 | [SERVICE_STOP_POST] = "stop-post", | |
3732 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3733 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3734 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3735 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3736 | }; | |
3737 | ||
3738 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3739 | ||
3740 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3741 | [SERVICE_RESTART_NO] = "no", |
3742 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3743 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3744 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3745 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3746 | }; |
3747 | ||
3748 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3749 | ||
3750 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3751 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3752 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3753 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 | 3754 | [SERVICE_DBUS] = "dbus", |
f2b68789 LP |
3755 | [SERVICE_NOTIFY] = "notify", |
3756 | [SERVICE_IDLE] = "idle" | |
94f04347 LP |
3757 | }; |
3758 | ||
3759 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3760 | ||
e537352b | 3761 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3762 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3763 | [SERVICE_EXEC_START] = "ExecStart", | |
3764 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3765 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3766 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3767 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3768 | }; | |
3769 | ||
3770 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3771 | ||
c952c6ec LP |
3772 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3773 | [NOTIFY_NONE] = "none", | |
3774 | [NOTIFY_MAIN] = "main", | |
3775 | [NOTIFY_ALL] = "all" | |
3776 | }; | |
3777 | ||
3778 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3779 | ||
f42806df LP |
3780 | static const char* const service_result_table[_SERVICE_RESULT_MAX] = { |
3781 | [SERVICE_SUCCESS] = "success", | |
3782 | [SERVICE_FAILURE_RESOURCES] = "resources", | |
3783 | [SERVICE_FAILURE_TIMEOUT] = "timeout", | |
3784 | [SERVICE_FAILURE_EXIT_CODE] = "exit-code", | |
3785 | [SERVICE_FAILURE_SIGNAL] = "signal", | |
bb242b7b MO |
3786 | [SERVICE_FAILURE_CORE_DUMP] = "core-dump", |
3787 | [SERVICE_FAILURE_WATCHDOG] = "watchdog" | |
f42806df LP |
3788 | }; |
3789 | ||
3790 | DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult); | |
3791 | ||
4b939747 MO |
3792 | static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = { |
3793 | [SERVICE_START_LIMIT_NONE] = "none", | |
3794 | [SERVICE_START_LIMIT_REBOOT] = "reboot", | |
3795 | [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force", | |
3796 | [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate" | |
3797 | }; | |
3798 | DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction); | |
3799 | ||
87f0e418 | 3800 | const UnitVTable service_vtable = { |
5cb5a6ff | 3801 | .suffix = ".service", |
7d17cfbc | 3802 | .object_size = sizeof(Service), |
f975e971 LP |
3803 | .sections = |
3804 | "Unit\0" | |
3805 | "Service\0" | |
3806 | "Install\0", | |
5cb5a6ff | 3807 | |
034c6ed7 LP |
3808 | .init = service_init, |
3809 | .done = service_done, | |
a16e1123 LP |
3810 | .load = service_load, |
3811 | ||
3812 | .coldplug = service_coldplug, | |
034c6ed7 | 3813 | |
5cb5a6ff LP |
3814 | .dump = service_dump, |
3815 | ||
3816 | .start = service_start, | |
3817 | .stop = service_stop, | |
3818 | .reload = service_reload, | |
3819 | ||
034c6ed7 LP |
3820 | .can_reload = service_can_reload, |
3821 | ||
8a0867d6 LP |
3822 | .kill = service_kill, |
3823 | ||
a16e1123 LP |
3824 | .serialize = service_serialize, |
3825 | .deserialize_item = service_deserialize_item, | |
3826 | ||
5cb5a6ff | 3827 | .active_state = service_active_state, |
10a94420 | 3828 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3829 | |
701cc384 LP |
3830 | .check_gc = service_check_gc, |
3831 | .check_snapshot = service_check_snapshot, | |
3832 | ||
034c6ed7 LP |
3833 | .sigchld_event = service_sigchld_event, |
3834 | .timer_event = service_timer_event, | |
3a111838 | 3835 | .fd_event = service_fd_event, |
2c4104f0 | 3836 | |
fdf20a31 | 3837 | .reset_failed = service_reset_failed, |
5632e374 | 3838 | |
8e274523 | 3839 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3840 | .notify_message = service_notify_message, |
8e274523 | 3841 | |
05e343b7 LP |
3842 | .bus_name_owner_change = service_bus_name_owner_change, |
3843 | .bus_query_pid_done = service_bus_query_pid_done, | |
3844 | ||
c4e2ceae | 3845 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3846 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3847 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3848 | |
07459bb6 | 3849 | #ifdef HAVE_SYSV_COMPAT |
c6918296 | 3850 | .enumerate = service_enumerate, |
07459bb6 | 3851 | #endif |
c6918296 MS |
3852 | .status_message_formats = { |
3853 | .starting_stopping = { | |
3854 | [0] = "Starting %s...", | |
3855 | [1] = "Stopping %s...", | |
3856 | }, | |
3857 | .finished_start_job = { | |
3858 | [JOB_DONE] = "Started %s.", | |
3859 | [JOB_FAILED] = "Failed to start %s.", | |
3860 | [JOB_DEPENDENCY] = "Dependency failed for %s.", | |
3861 | [JOB_TIMEOUT] = "Timed out starting %s.", | |
3862 | }, | |
3863 | .finished_stop_job = { | |
3864 | [JOB_DONE] = "Stopped %s.", | |
3865 | [JOB_FAILED] = "Stopped (with error) %s.", | |
3866 | [JOB_TIMEOUT] = "Timed out stopping %s.", | |
3867 | }, | |
3868 | }, | |
5cb5a6ff | 3869 | }; |