]> git.ipfire.org Git - thirdparty/systemd.git/blame - src/service.c
projects / thirdparty / systemd.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
unit: simplify things a little by introducing API to add two dependencies in one...
[thirdparty/systemd.git] / src / service.c
CommitLineData
5cb5a6ff
LP		 1/*-*- Mode: C; c-basic-offset: 8 -*-*/
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
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
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
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
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>
5cb5a6ff 26
87f0e418 27#include "unit.h"
5cb5a6ff
LP		 28#include "service.h"
29#include "load-fragment.h"
30#include "load-dropin.h"
034c6ed7 31#include "log.h"
2c4104f0 32#include "strv.h"
9e2f7c11 33#include "unit-name.h"
4139c1b2 34#include "dbus-service.h"
514f4ef5 35#include "special.h"
2c4104f0
LP		 36
37#define COMMENTS "#;\n"
38#define NEWLINES "\n\r"
39#define LINE_MAX 4096
034c6ed7 40
09cd1ab1
LP		 41typedef enum RunlevelType {
42 RUNLEVEL_UP,
43 RUNLEVEL_DOWN,
fc5df99e 44 RUNLEVEL_SYSINIT
09cd1ab1
LP		 45} RunlevelType;
46
47static const struct {
48 const char *path;
49 const char *target;
50 const RunlevelType type;
51} rcnd_table[] = {
fbe9f3a9 52 /* Standard SysV runlevels */
514f4ef5
LP		 53 { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
54 { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP },
fbe9f3a9
LP		 55 { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
56 { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
57 { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
58 { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
514f4ef5 59 { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN },
fbe9f3a9 60
cfe243e3 61 /* SUSE style boot.d */
fc5df99e 62 { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
fbe9f3a9
LP		 63
64 /* Debian style rcS.d */
fc5df99e 65 { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
23a177ef
LP		 66};
67
09cd1ab1 68#define RUNLEVELS_UP "12345"
fbe9f3a9
LP		 69/* #define RUNLEVELS_DOWN "06" */
70/* #define RUNLEVELS_BOOT "bBsS" */
09cd1ab1 71
acbb0225 72static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
87f0e418
LP		 73 [SERVICE_DEAD] = UNIT_INACTIVE,
74 [SERVICE_START_PRE] = UNIT_ACTIVATING,
75 [SERVICE_START] = UNIT_ACTIVATING,
76 [SERVICE_START_POST] = UNIT_ACTIVATING,
77 [SERVICE_RUNNING] = UNIT_ACTIVE,
80876c20 78 [SERVICE_EXITED] = UNIT_ACTIVE,
032ff4af 79 [SERVICE_RELOAD] = UNIT_RELOADING,
87f0e418
LP		 80 [SERVICE_STOP] = UNIT_DEACTIVATING,
81 [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
82 [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
83 [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
84 [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
85 [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
032ff4af 86 [SERVICE_MAINTENANCE] = UNIT_MAINTENANCE,
6124958c 87 [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
034c6ed7 88};
5cb5a6ff 89
a16e1123
LP		 90static void service_init(Unit *u) {
91 Service *s = SERVICE(u);
92
93 assert(u);
94 assert(u->meta.load_state == UNIT_STUB);
95
96 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
97 s->restart_usec = DEFAULT_RESTART_USEC;
98 s->timer_watch.type = WATCH_INVALID;
99 s->sysv_start_priority = -1;
100 s->socket_fd = -1;
101
102 exec_context_init(&s->exec_context);
103
104 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
105
106 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
107}
108
5e94833f
LP		 109static void service_unwatch_control_pid(Service *s) {
110 assert(s);
111
112 if (s->control_pid <= 0)
113 return;
114
115 unit_unwatch_pid(UNIT(s), s->control_pid);
116 s->control_pid = 0;
117}
118
119static void service_unwatch_main_pid(Service *s) {
120 assert(s);
121
122 if (s->main_pid <= 0)
123 return;
124
125 unit_unwatch_pid(UNIT(s), s->main_pid);
126 s->main_pid = 0;
127}
128
5925dd3c 129static int service_set_main_pid(Service *s, pid_t pid) {
e55224ca
LP		 130 pid_t ppid;
131
5925dd3c
LP		 132 assert(s);
133
134 if (pid <= 1)
135 return -EINVAL;
136
137 if (pid == getpid())
138 return -EINVAL;
139
e55224ca
LP		 140 if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
141 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
142 s->meta.id, (unsigned long) pid);
143
5925dd3c
LP		 144 s->main_pid = pid;
145 s->main_pid_known = true;
146
147 return 0;
148}
149
4f2d528d
LP		 150static void service_close_socket_fd(Service *s) {
151 assert(s);
152
153 if (s->socket_fd < 0)
154 return;
155
156 close_nointr_nofail(s->socket_fd);
157 s->socket_fd = -1;
158}
159
6cf6bbc2
LP		 160static void service_connection_unref(Service *s) {
161 assert(s);
162
163 if (!s->socket)
164 return;
165
166 socket_connection_unref(s->socket);
167 s->socket = NULL;
168}
169
87f0e418
LP		 170static void service_done(Unit *u) {
171 Service *s = SERVICE(u);
44d8db9e
LP		 172
173 assert(s);
174
175 free(s->pid_file);
176 s->pid_file = NULL;
177
2c4104f0
LP		 178 free(s->sysv_path);
179 s->sysv_path = NULL;
180
8309400a
LP		 181 free(s->sysv_runlevels);
182 s->sysv_runlevels = NULL;
183
8c47c732
LP		 184 free(s->status_text);
185 s->status_text = NULL;
186
44d8db9e 187 exec_context_done(&s->exec_context);
e537352b 188 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e
LP		 189 s->control_command = NULL;
190
191 /* This will leak a process, but at least no memory or any of
192 * our resources */
5e94833f
LP		 193 service_unwatch_main_pid(s);
194 service_unwatch_control_pid(s);
44d8db9e 195
05e343b7
LP		 196 if (s->bus_name) {
197 unit_unwatch_bus_name(UNIT(u), s->bus_name);
198 free(s->bus_name);
199 s->bus_name = NULL;
200 }
201
4f2d528d 202 service_close_socket_fd(s);
6cf6bbc2 203 service_connection_unref(s);
4f2d528d 204
acbb0225 205 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 206}
207
b7ccee3c
LP		 208static char *sysv_translate_name(const char *name) {
209 char *r;
210
211 if (!(r = new(char, strlen(name) + sizeof(".service"))))
212 return NULL;
213
214 if (startswith(name, "boot."))
215 /* Drop SuSE-style boot. prefix */
216 strcpy(stpcpy(r, name + 5), ".service");
217 else if (endswith(name, ".sh"))
218 /* Drop Debian-style .sh suffix */
219 strcpy(stpcpy(r, name) - 3, ".service");
220 else
221 /* Normal init scripts */
222 strcpy(stpcpy(r, name), ".service");
223
224 return r;
225}
226
227static int sysv_translate_facility(const char *name, char **_r) {
2c4104f0
LP		 228
229 static const char * const table[] = {
6464aa08 230 /* LSB defined facilities */
2c4104f0
LP		 231 "$local_fs", SPECIAL_LOCAL_FS_TARGET,
232 "$network", SPECIAL_NETWORK_TARGET,
233 "$named", SPECIAL_NSS_LOOKUP_TARGET,
234 "$portmap", SPECIAL_RPCBIND_TARGET,
235 "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
236 "$syslog", SPECIAL_SYSLOG_TARGET,
6464aa08
LP		 237 "$time", SPECIAL_RTC_SET_TARGET,
238
239 /* Debian extensions */
240 "$mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
241 "$mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
1e287fe3 242 "$x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE
2c4104f0
LP		 243 };
244
245 unsigned i;
246 char *r;
247
248 for (i = 0; i < ELEMENTSOF(table); i += 2)
249 if (streq(table[i], name)) {
250 if (!(r = strdup(table[i+1])))
251 return -ENOMEM;
252
253 goto finish;
254 }
255
256 if (*name == '$')
257 return 0;
258
b7ccee3c 259 if (!(r = sysv_translate_name(name)))
2c4104f0
LP		 260 return -ENOMEM;
261
262finish:
263
264 if (_r)
265 *_r = r;
266
267 return 1;
268}
269
56d748b4 270static int sysv_fix_order(Service *s) {
2c4104f0
LP		 271 Meta *other;
272 int r;
273
274 assert(s);
275
276 if (s->sysv_start_priority < 0)
277 return 0;
278
23a177ef
LP		 279 /* For each pair of services where at least one lacks a LSB
280 * header, we use the start priority value to order things. */
2c4104f0 281
4cd1fbcc 282 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
2c4104f0
LP		 283 Service *t;
284 UnitDependency d;
285
286 t = (Service*) other;
287
288 if (s == t)
289 continue;
290
291 if (t->sysv_start_priority < 0)
292 continue;
293
51a1a79d
LP		 294 /* If both units have modern headers we don't care
295 * about the priorities */
296 if ((!s->sysv_path || s->sysv_has_lsb) &&
297 (!t->sysv_path || t->sysv_has_lsb))
23a177ef
LP		 298 continue;
299
2c4104f0
LP		 300 if (t->sysv_start_priority < s->sysv_start_priority)
301 d = UNIT_AFTER;
302 else if (t->sysv_start_priority > s->sysv_start_priority)
303 d = UNIT_BEFORE;
304 else
305 continue;
306
307 /* FIXME: Maybe we should compare the name here lexicographically? */
308
701cc384 309 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
2c4104f0
LP		 310 return r;
311 }
312
313 return 0;
314}
315
316static ExecCommand *exec_command_new(const char *path, const char *arg1) {
317 ExecCommand *c;
318
319 if (!(c = new0(ExecCommand, 1)))
320 return NULL;
321
322 if (!(c->path = strdup(path))) {
323 free(c);
324 return NULL;
325 }
326
327 if (!(c->argv = strv_new(path, arg1, NULL))) {
328 free(c->path);
329 free(c);
330 return NULL;
331 }
332
333 return c;
334}
335
336static int sysv_exec_commands(Service *s) {
337 ExecCommand *c;
338
339 assert(s);
340 assert(s->sysv_path);
341
342 if (!(c = exec_command_new(s->sysv_path, "start")))
343 return -ENOMEM;
344 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
345
346 if (!(c = exec_command_new(s->sysv_path, "stop")))
347 return -ENOMEM;
348 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
349
350 if (!(c = exec_command_new(s->sysv_path, "reload")))
351 return -ENOMEM;
352 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
353
354 return 0;
355}
356
e537352b 357static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 358 FILE *f;
359 Unit *u;
360 unsigned line = 0;
361 int r;
362 enum {
363 NORMAL,
364 DESCRIPTION,
365 LSB,
366 LSB_DESCRIPTION
367 } state = NORMAL;
23a177ef
LP		 368
369 assert(s);
370 assert(path);
2c4104f0
LP		 371
372 u = UNIT(s);
373
374 if (!(f = fopen(path, "re"))) {
375 r = errno == ENOENT ? 0 : -errno;
376 goto finish;
377 }
378
2c4104f0
LP		 379 free(s->sysv_path);
380 if (!(s->sysv_path = strdup(path))) {
381 r = -ENOMEM;
382 goto finish;
383 }
384
385 while (!feof(f)) {
386 char l[LINE_MAX], *t;
387
388 if (!fgets(l, sizeof(l), f)) {
389 if (feof(f))
390 break;
391
392 r = -errno;
393 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
394 goto finish;
395 }
396
397 line++;
398
399 t = strstrip(l);
400 if (*t != '#')
401 continue;
402
403 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
404 state = LSB;
23a177ef 405 s->sysv_has_lsb = true;
2c4104f0
LP		 406 continue;
407 }
408
409 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
410 state = NORMAL;
411 continue;
412 }
413
414 t++;
415 t += strspn(t, WHITESPACE);
416
417 if (state == NORMAL) {
418
419 /* Try to parse Red Hat style chkconfig headers */
420
c2b35af6 421 if (startswith_no_case(t, "chkconfig:")) {
2c4104f0 422 int start_priority;
8309400a 423 char runlevels[16], *k;
2c4104f0
LP		 424
425 state = NORMAL;
426
8309400a
LP		 427 if (sscanf(t+10, "%15s %i %*i",
428 runlevels,
429 &start_priority) != 2) {
2c4104f0
LP		 430
431 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
432 continue;
433 }
434
fbe9f3a9
LP		 435 /* A start priority gathered from the
436 * symlink farms is preferred over the
437 * data from the LSB header. */
8309400a 438 if (start_priority < 0 || start_priority > 99)
2c4104f0 439 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
db06e3b6 440 else if (s->sysv_start_priority < 0)
8309400a
LP		 441 s->sysv_start_priority = start_priority;
442
443 char_array_0(runlevels);
444 k = delete_chars(runlevels, WHITESPACE "-");
445
446 if (k[0]) {
447 char *d;
448
449 if (!(d = strdup(k))) {
450 r = -ENOMEM;
451 goto finish;
452 }
453
454 free(s->sysv_runlevels);
455 s->sysv_runlevels = d;
2c4104f0
LP		 456 }
457
c2b35af6 458 } else if (startswith_no_case(t, "description:")) {
2c4104f0
LP		 459
460 size_t k = strlen(t);
461 char *d;
462
463 if (t[k-1] == '\\') {
464 state = DESCRIPTION;
465 t[k-1] = 0;
466 }
467
468 if (!(d = strdup(strstrip(t+12)))) {
469 r = -ENOMEM;
470 goto finish;
471 }
472
473 free(u->meta.description);
474 u->meta.description = d;
475
c2b35af6 476 } else if (startswith_no_case(t, "pidfile:")) {
2c4104f0
LP		 477
478 char *fn;
479
480 state = NORMAL;
481
482 fn = strstrip(t+8);
483 if (!path_is_absolute(fn)) {
484 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
485 continue;
486 }
487
488 if (!(fn = strdup(fn))) {
489 r = -ENOMEM;
490 goto finish;
491 }
492
493 free(s->pid_file);
494 s->pid_file = fn;
495 }
496
497 } else if (state == DESCRIPTION) {
498
499 /* Try to parse Red Hat style description
500 * continuation */
501
502 size_t k = strlen(t);
503 char *d;
504
505 if (t[k-1] == '\\')
506 t[k-1] = 0;
507 else
508 state = NORMAL;
509
510 assert(u->meta.description);
511 if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
512 r = -ENOMEM;
513 goto finish;
514 }
515
516 free(u->meta.description);
517 u->meta.description = d;
518
519 } else if (state == LSB || state == LSB_DESCRIPTION) {
520
c2b35af6 521 if (startswith_no_case(t, "Provides:")) {
2c4104f0
LP		 522 char *i, *w;
523 size_t z;
524
525 state = LSB;
526
527 FOREACH_WORD(w, z, t+9, i) {
528 char *n, *m;
529
530 if (!(n = strndup(w, z))) {
531 r = -ENOMEM;
532 goto finish;
533 }
534
b7ccee3c 535 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 536 free(n);
537
538 if (r < 0)
539 goto finish;
540
541 if (r == 0)
542 continue;
543
bd77d0fc
LP		 544 if (unit_name_to_type(m) == UNIT_SERVICE)
545 r = unit_add_name(u, m);
2c966c03
LP		 546 else
547 r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_REQUIRES, m, NULL, true);
bd77d0fc 548
2c4104f0
LP		 549 free(m);
550
551 if (r < 0)
552 goto finish;
553 }
554
c2b35af6
LP		 555 } else if (startswith_no_case(t, "Required-Start:") ||
556 startswith_no_case(t, "Should-Start:") ||
557 startswith_no_case(t, "X-Start-Before:") ||
558 startswith_no_case(t, "X-Start-After:")) {
2c4104f0
LP		 559 char *i, *w;
560 size_t z;
561
562 state = LSB;
563
564 FOREACH_WORD(w, z, strchr(t, ':')+1, i) {
565 char *n, *m;
566
567 if (!(n = strndup(w, z))) {
568 r = -ENOMEM;
569 goto finish;
570 }
571
b7ccee3c 572 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 573 free(n);
574
575 if (r < 0)
576 goto finish;
577
578 if (r == 0)
579 continue;
580
c2b35af6 581 r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
2c4104f0
LP		 582 free(m);
583
584 if (r < 0)
585 goto finish;
586 }
c2b35af6 587 } else if (startswith_no_case(t, "Default-Start:")) {
8309400a
LP		 588 char *k, *d;
589
590 state = LSB;
591
592 k = delete_chars(t+14, WHITESPACE "-");
593
594 if (k[0] != 0) {
595 if (!(d = strdup(k))) {
596 r = -ENOMEM;
597 goto finish;
598 }
599
600 free(s->sysv_runlevels);
601 s->sysv_runlevels = d;
602 }
2c4104f0 603
c2b35af6 604 } else if (startswith_no_case(t, "Description:")) {
2c4104f0
LP		 605 char *d;
606
607 state = LSB_DESCRIPTION;
608
609 if (!(d = strdup(strstrip(t+12)))) {
610 r = -ENOMEM;
611 goto finish;
612 }
613
614 free(u->meta.description);
615 u->meta.description = d;
616
c2b35af6 617 } else if (startswith_no_case(t, "Short-Description:") &&
8309400a 618 !u->meta.description) {
2c4104f0
LP		 619 char *d;
620
621 /* We use the short description only
622 * if no long description is set. */
623
624 state = LSB;
625
626 if (!(d = strdup(strstrip(t+18)))) {
627 r = -ENOMEM;
628 goto finish;
629 }
630
2c4104f0
LP		 631 u->meta.description = d;
632
723c83fd
LP		 633 } else if (startswith_no_case(t, "X-Interactive:")) {
634 int b;
635
636 if ((b = parse_boolean(strstrip(t+14))) < 0) {
637 log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
638 continue;
639 }
640
641 if (b)
642 s->exec_context.std_input = EXEC_INPUT_TTY;
643 else
644 s->exec_context.std_input = EXEC_INPUT_NULL;
645
2c4104f0
LP		 646 } else if (state == LSB_DESCRIPTION) {
647
648 if (startswith(l, "#\t") || startswith(l, "# ")) {
649 char *d;
650
651 assert(u->meta.description);
652 if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
653 r = -ENOMEM;
654 goto finish;
655 }
656
657 free(u->meta.description);
658 u->meta.description = d;
659 } else
660 state = LSB;
661 }
662 }
663 }
664
2c4104f0
LP		 665 if ((r = sysv_exec_commands(s)) < 0)
666 goto finish;
667
09cd1ab1 668 if (!s->sysv_runlevels || chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
0bc824be
LP		 669 /* If there a runlevels configured for this service
670 * but none of the standard ones, then we assume this
671 * is some special kind of service (which might be
672 * needed for early boot) and don't create any links
673 * to it. */
674
701cc384
LP		 675 if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0 ||
676 (r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
0bc824be 677 goto finish;
09cd1ab1
LP		 678
679 } else
680 /* Don't timeout special services during boot (like fsck) */
681 s->timeout_usec = 0;
0fd030be 682
80876c20 683 /* Special setting for all SysV services */
1f48cf56 684 s->type = SERVICE_FORKING;
80876c20 685 s->valid_no_process = true;
b29a8e58 686 s->kill_mode = KILL_PROCESS_GROUP;
1f48cf56 687 s->restart = SERVICE_ONCE;
80876c20 688
e537352b 689 u->meta.load_state = UNIT_LOADED;
23a177ef 690 r = 0;
2c4104f0
LP		 691
692finish:
693
694 if (f)
695 fclose(f);
696
697 return r;
698}
699
e537352b 700static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 701 char **p;
702
703 assert(s);
704 assert(name);
705
d017c6ca
LP		 706 /* For SysV services we strip the boot. or .sh
707 * prefixes/suffixes. */
708 if (startswith(name, "boot.") ||
709 endswith(name, ".sh.service"))
710 return -ENOENT;
711
4cd1fbcc 712 STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
2c4104f0
LP		 713 char *path;
714 int r;
715
716 if (asprintf(&path, "%s/%s", *p, name) < 0)
717 return -ENOMEM;
718
719 assert(endswith(path, ".service"));
720 path[strlen(path)-8] = 0;
721
e537352b 722 r = service_load_sysv_path(s, path);
fbe9f3a9 723
4cd1fbcc 724 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
d017c6ca 725 /* Try Debian style xxx.sh source'able init scripts */
fbe9f3a9
LP		 726 strcat(path, ".sh");
727 r = service_load_sysv_path(s, path);
728 }
729
2c4104f0
LP		 730 free(path);
731
4cd1fbcc 732 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
cfe243e3 733 /* Try SUSE style boot.xxx init scripts */
fbe9f3a9
LP		 734
735 if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
736 return -ENOMEM;
737
738 path[strlen(path)-8] = 0;
739 r = service_load_sysv_path(s, path);
740 free(path);
741 }
742
23a177ef 743 if (r < 0)
2c4104f0 744 return r;
23a177ef 745
4cd1fbcc 746 if ((s->meta.load_state != UNIT_STUB))
23a177ef 747 break;
2c4104f0
LP		 748 }
749
750 return 0;
751}
752
e537352b 753static int service_load_sysv(Service *s) {
2c4104f0
LP		 754 const char *t;
755 Iterator i;
756 int r;
757
5cb5a6ff
LP		 758 assert(s);
759
760 /* Load service data from SysV init scripts, preferably with
761 * LSB headers ... */
762
4cd1fbcc 763 if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path))
2c4104f0
LP		 764 return 0;
765
4cd1fbcc 766 if ((t = s->meta.id))
e537352b 767 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 768 return r;
769
4cd1fbcc
LP		 770 if (s->meta.load_state == UNIT_STUB)
771 SET_FOREACH(t, s->meta.names, i) {
772 if (t == s->meta.id)
e537352b
LP		 773 continue;
774
775 if ((r == service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 776 return r;
777
4cd1fbcc 778 if (s->meta.load_state != UNIT_STUB)
23a177ef
LP		 779 break;
780 }
2c4104f0
LP		 781
782 return 0;
5cb5a6ff
LP		 783}
784
05e343b7
LP		 785static int service_add_bus_name(Service *s) {
786 char *n;
787 int r;
788
789 assert(s);
790 assert(s->bus_name);
791
792 if (asprintf(&n, "dbus-%s.service", s->bus_name) < 0)
793 return 0;
794
795 r = unit_merge_by_name(UNIT(s), n);
796 free(n);
797
798 return r;
799}
800
243b1432
LP		 801static int service_verify(Service *s) {
802 assert(s);
803
4cd1fbcc 804 if (s->meta.load_state != UNIT_LOADED)
243b1432
LP		 805 return 0;
806
807 if (!s->exec_command[SERVICE_EXEC_START]) {
4cd1fbcc 808 log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
243b1432
LP		 809 return -EINVAL;
810 }
811
6cf6bbc2 812 if (s->exec_command[SERVICE_EXEC_START]->command_next) {
4cd1fbcc 813 log_error("%s has more than one ExecStart setting. Refusing.", s->meta.id);
6cf6bbc2
LP		 814 return -EINVAL;
815 }
816
05e343b7 817 if (s->type == SERVICE_DBUS && !s->bus_name) {
4d0e5dbd
LP		 818 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
819 return -EINVAL;
820 }
821
822 if (s->exec_context.pam_name && s->kill_mode != KILL_CONTROL_GROUP) {
823 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
05e343b7
LP		 824 return -EINVAL;
825 }
826
243b1432
LP		 827 return 0;
828}
829
e537352b
LP		 830static int service_load(Unit *u) {
831 int r;
832 Service *s = SERVICE(u);
833
834 assert(s);
1e2e8133 835
5cb5a6ff 836 /* Load a .service file */
e537352b 837 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 838 return r;
839
bd77d0fc 840 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 841 if (u->meta.load_state == UNIT_STUB)
842 if ((r = service_load_sysv(s)) < 0)
23a177ef 843 return r;
d46de8a1 844
23a177ef 845 /* Still nothing found? Then let's give up */
e537352b 846 if (u->meta.load_state == UNIT_STUB)
23a177ef 847 return -ENOENT;
034c6ed7 848
23a177ef
LP		 849 /* We were able to load something, then let's add in the
850 * dropin directories. */
851 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 852 return r;
23a177ef
LP		 853
854 /* This is a new unit? Then let's add in some extras */
e537352b 855 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 856 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
857 return r;
858
859 if ((r = unit_add_default_cgroup(u)) < 0)
860 return r;
861
56d748b4 862 if ((r = sysv_fix_order(s)) < 0)
23a177ef 863 return r;
05e343b7
LP		 864
865 if (s->bus_name) {
866 if ((r = service_add_bus_name(s)) < 0)
867 return r;
868
869 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
870 return r;
871 }
c952c6ec
LP		 872
873 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
874 s->notify_access = NOTIFY_MAIN;
8e274523
LP		 875 }
876
243b1432 877 return service_verify(s);
034c6ed7
LP		 878}
879
87f0e418 880static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 881
5cb5a6ff 882 ServiceExecCommand c;
87f0e418 883 Service *s = SERVICE(u);
47be870b
LP		 884 const char *prefix2;
885 char *p2;
5cb5a6ff
LP		 886
887 assert(s);
888
47be870b
LP		 889 p2 = strappend(prefix, "\t");
890 prefix2 = p2 ? p2 : prefix;
44d8db9e 891
5cb5a6ff 892 fprintf(f,
81a2b7ce
LP		 893 "%sService State: %s\n"
894 "%sPermissionsStartOnly: %s\n"
8e274523 895 "%sRootDirectoryStartOnly: %s\n"
03d6ab85 896 "%sValidNoProcess: %s\n"
50159e6a 897 "%sKillMode: %s\n"
c952c6ec
LP		 898 "%sType: %s\n"
899 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 900 prefix, service_state_to_string(s->state),
901 prefix, yes_no(s->permissions_start_only),
8e274523 902 prefix, yes_no(s->root_directory_start_only),
03d6ab85 903 prefix, yes_no(s->valid_no_process),
50159e6a 904 prefix, kill_mode_to_string(s->kill_mode),
c952c6ec
LP		 905 prefix, service_type_to_string(s->type),
906 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 907
70123e68
LP		 908 if (s->control_pid > 0)
909 fprintf(f,
bb00e604
LP		 910 "%sControl PID: %lu\n",
911 prefix, (unsigned long) s->control_pid);
70123e68
LP		 912
913 if (s->main_pid > 0)
914 fprintf(f,
bb00e604
LP		 915 "%sMain PID: %lu\n",
916 prefix, (unsigned long) s->main_pid);
70123e68 917
034c6ed7
LP		 918 if (s->pid_file)
919 fprintf(f,
920 "%sPIDFile: %s\n",
921 prefix, s->pid_file);
922
05e343b7
LP		 923 if (s->bus_name)
924 fprintf(f,
925 "%sBusName: %s\n"
926 "%sBus Name Good: %s\n",
927 prefix, s->bus_name,
928 prefix, yes_no(s->bus_name_good));
929
5cb5a6ff
LP		 930 exec_context_dump(&s->exec_context, f, prefix);
931
e537352b 932 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 933
44d8db9e
LP		 934 if (!s->exec_command[c])
935 continue;
936
40d50879 937 fprintf(f, "%s-> %s:\n",
94f04347 938 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 939
940 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 941 }
44d8db9e 942
2c4104f0
LP		 943 if (s->sysv_path)
944 fprintf(f,
23a177ef
LP		 945 "%sSysV Init Script Path: %s\n"
946 "%sSysV Init Script has LSB Header: %s\n",
947 prefix, s->sysv_path,
948 prefix, yes_no(s->sysv_has_lsb));
2c4104f0
LP		 949
950 if (s->sysv_start_priority >= 0)
951 fprintf(f,
23a177ef 952 "%sSysVStartPriority: %i\n",
2c4104f0
LP		 953 prefix, s->sysv_start_priority);
954
8309400a
LP		 955 if (s->sysv_runlevels)
956 fprintf(f, "%sSysVRunLevels: %s\n",
957 prefix, s->sysv_runlevels);
23a177ef 958
8c47c732
LP		 959 if (s->status_text)
960 fprintf(f, "%sStatus Text: %s\n",
961 prefix, s->status_text);
962
47be870b 963 free(p2);
5cb5a6ff
LP		 964}
965
034c6ed7
LP		 966static int service_load_pid_file(Service *s) {
967 char *k;
034c6ed7 968 int r;
5925dd3c 969 pid_t pid;
034c6ed7
LP		 970
971 assert(s);
972
973 if (s->main_pid_known)
974 return 0;
975
5e94833f
LP		 976 assert(s->main_pid <= 0);
977
034c6ed7
LP		 978 if (!s->pid_file)
979 return -ENOENT;
980
981 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
982 return r;
983
5925dd3c
LP		 984 r = parse_pid(k, &pid);
985 free(k);
034c6ed7 986
5925dd3c
LP		 987 if (r < 0)
988 return r;
406eaf93 989
5925dd3c
LP		 990 if (kill(pid, 0) < 0 && errno != EPERM) {
991 log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
992 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 993 return -ESRCH;
994 }
995
5925dd3c 996 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 997 return r;
998
5925dd3c
LP		 999 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1000 /* FIXME: we need to do something here */
1001 return r;
034c6ed7
LP		 1002
1003 return 0;
1004}
1005
3e33402a
LP		 1006static int service_get_sockets(Service *s, Set **_set) {
1007 Set *set;
ceee3d82
LP		 1008 Iterator i;
1009 char *t;
3e33402a 1010 int r;
ceee3d82
LP		 1011
1012 assert(s);
3e33402a
LP		 1013 assert(_set);
1014
6cf6bbc2
LP		 1015 if (s->socket_fd >= 0)
1016 return 0;
1017
3e33402a
LP		 1018 /* Collects all Socket objects that belong to this
1019 * service. Note that a service might have multiple sockets
1020 * via multiple names. */
1021
1022 if (!(set = set_new(NULL, NULL)))
1023 return -ENOMEM;
ceee3d82 1024
4cd1fbcc 1025 SET_FOREACH(t, s->meta.names, i) {
ceee3d82
LP		 1026 char *k;
1027 Unit *p;
1028
1029 /* Look for all socket objects that go by any of our
1030 * units and collect their fds */
1031
3e33402a
LP		 1032 if (!(k = unit_name_change_suffix(t, ".socket"))) {
1033 r = -ENOMEM;
1034 goto fail;
1035 }
ceee3d82 1036
4cd1fbcc 1037 p = manager_get_unit(s->meta.manager, k);
ceee3d82
LP		 1038 free(k);
1039
8d567588
LP		 1040 if (!p)
1041 continue;
ceee3d82 1042
3e33402a
LP		 1043 if ((r = set_put(set, p)) < 0)
1044 goto fail;
ceee3d82
LP		 1045 }
1046
3e33402a
LP		 1047 *_set = set;
1048 return 0;
1049
1050fail:
1051 set_free(set);
1052 return r;
1053}
1054
e537352b 1055static int service_notify_sockets_dead(Service *s) {
3e33402a
LP		 1056 Iterator i;
1057 Set *set;
47be870b 1058 Socket *sock;
3e33402a
LP		 1059 int r;
1060
1061 assert(s);
1062
6cf6bbc2
LP		 1063 if (s->socket_fd >= 0)
1064 return 0;
1065
3e33402a 1066 /* Notifies all our sockets when we die */
3e33402a
LP		 1067 if ((r = service_get_sockets(s, &set)) < 0)
1068 return r;
1069
47be870b
LP		 1070 SET_FOREACH(sock, set, i)
1071 socket_notify_service_dead(sock);
3e33402a
LP		 1072
1073 set_free(set);
1074
ceee3d82
LP		 1075 return 0;
1076}
1077
034c6ed7
LP		 1078static void service_set_state(Service *s, ServiceState state) {
1079 ServiceState old_state;
5cb5a6ff
LP		 1080 assert(s);
1081
034c6ed7 1082 old_state = s->state;
5cb5a6ff 1083 s->state = state;
034c6ed7
LP		 1084
1085 if (state != SERVICE_START_PRE &&
1086 state != SERVICE_START &&
1087 state != SERVICE_START_POST &&
1088 state != SERVICE_RELOAD &&
1089 state != SERVICE_STOP &&
1090 state != SERVICE_STOP_SIGTERM &&
1091 state != SERVICE_STOP_SIGKILL &&
1092 state != SERVICE_STOP_POST &&
1093 state != SERVICE_FINAL_SIGTERM &&
1094 state != SERVICE_FINAL_SIGKILL &&
1095 state != SERVICE_AUTO_RESTART)
acbb0225 1096 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1097
7d55e835
LP		 1098 if (state != SERVICE_START &&
1099 state != SERVICE_START_POST &&
034c6ed7
LP		 1100 state != SERVICE_RUNNING &&
1101 state != SERVICE_RELOAD &&
1102 state != SERVICE_STOP &&
1103 state != SERVICE_STOP_SIGTERM &&
1104 state != SERVICE_STOP_SIGKILL)
5e94833f 1105 service_unwatch_main_pid(s);
034c6ed7
LP		 1106
1107 if (state != SERVICE_START_PRE &&
1108 state != SERVICE_START &&
1109 state != SERVICE_START_POST &&
1110 state != SERVICE_RELOAD &&
1111 state != SERVICE_STOP &&
1112 state != SERVICE_STOP_SIGTERM &&
1113 state != SERVICE_STOP_SIGKILL &&
1114 state != SERVICE_STOP_POST &&
1115 state != SERVICE_FINAL_SIGTERM &&
e537352b 1116 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1117 service_unwatch_control_pid(s);
034c6ed7 1118 s->control_command = NULL;
a16e1123 1119 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1120 }
034c6ed7 1121
ceee3d82
LP		 1122 if (state == SERVICE_DEAD ||
1123 state == SERVICE_STOP ||
1124 state == SERVICE_STOP_SIGTERM ||
1125 state == SERVICE_STOP_SIGKILL ||
1126 state == SERVICE_STOP_POST ||
1127 state == SERVICE_FINAL_SIGTERM ||
1128 state == SERVICE_FINAL_SIGKILL ||
18c78fb1 1129 state == SERVICE_MAINTENANCE ||
ceee3d82 1130 state == SERVICE_AUTO_RESTART)
e537352b 1131 service_notify_sockets_dead(s);
ceee3d82 1132
4f2d528d
LP		 1133 if (state != SERVICE_START_PRE &&
1134 state != SERVICE_START &&
6cf6bbc2
LP		 1135 state != SERVICE_START_POST &&
1136 state != SERVICE_RUNNING &&
1137 state != SERVICE_RELOAD &&
1138 state != SERVICE_STOP &&
1139 state != SERVICE_STOP_SIGTERM &&
1140 state != SERVICE_STOP_SIGKILL &&
1141 state != SERVICE_STOP_POST &&
1142 state != SERVICE_FINAL_SIGTERM &&
1143 state != SERVICE_FINAL_SIGKILL &&
4cd1fbcc 1144 !(state == SERVICE_DEAD && s->meta.job)) {
4f2d528d 1145 service_close_socket_fd(s);
6cf6bbc2
LP		 1146 service_connection_unref(s);
1147 }
4f2d528d 1148
e537352b 1149 if (old_state != state)
4cd1fbcc 1150 log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1151
1152 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1153}
1154
a16e1123
LP		 1155static int service_coldplug(Unit *u) {
1156 Service *s = SERVICE(u);
1157 int r;
1158
1159 assert(s);
1160 assert(s->state == SERVICE_DEAD);
1161
1162 if (s->deserialized_state != s->state) {
1163
1164 if (s->deserialized_state == SERVICE_START_PRE ||
1165 s->deserialized_state == SERVICE_START ||
1166 s->deserialized_state == SERVICE_START_POST ||
1167 s->deserialized_state == SERVICE_RELOAD ||
1168 s->deserialized_state == SERVICE_STOP ||
1169 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1170 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1171 s->deserialized_state == SERVICE_STOP_POST ||
1172 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1173 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1174 s->deserialized_state == SERVICE_AUTO_RESTART) {
1175
1176 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1177 usec_t k;
1178
1179 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1180
1181 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1182 return r;
1183 }
1184 }
a16e1123
LP		 1185
1186 if ((s->deserialized_state == SERVICE_START &&
1187 (s->type == SERVICE_FORKING ||
8c47c732
LP		 1188 s->type == SERVICE_DBUS ||
1189 s->type == SERVICE_FINISH ||
1190 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1191 s->deserialized_state == SERVICE_START_POST ||
1192 s->deserialized_state == SERVICE_RUNNING ||
1193 s->deserialized_state == SERVICE_RELOAD ||
1194 s->deserialized_state == SERVICE_STOP ||
1195 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1196 s->deserialized_state == SERVICE_STOP_SIGKILL)
1197 if (s->main_pid > 0)
1198 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1199 return r;
1200
1201 if (s->deserialized_state == SERVICE_START_PRE ||
1202 s->deserialized_state == SERVICE_START ||
1203 s->deserialized_state == SERVICE_START_POST ||
1204 s->deserialized_state == SERVICE_RELOAD ||
1205 s->deserialized_state == SERVICE_STOP ||
1206 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1207 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1208 s->deserialized_state == SERVICE_STOP_POST ||
1209 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1210 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1211 if (s->control_pid > 0)
1212 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1213 return r;
1214
1215 service_set_state(s, s->deserialized_state);
1216 }
1217
1218 return 0;
1219}
1220
44d8db9e
LP		 1221static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1222 Iterator i;
1223 int r;
1224 int *rfds = NULL;
1225 unsigned rn_fds = 0;
3e33402a 1226 Set *set;
47be870b 1227 Socket *sock;
44d8db9e
LP		 1228
1229 assert(s);
1230 assert(fds);
1231 assert(n_fds);
1232
6cf6bbc2
LP		 1233 if (s->socket_fd >= 0)
1234 return 0;
1235
3e33402a
LP		 1236 if ((r = service_get_sockets(s, &set)) < 0)
1237 return r;
1238
47be870b 1239 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1240 int *cfds;
1241 unsigned cn_fds;
1242
47be870b 1243 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1244 goto fail;
1245
1246 if (!cfds)
1247 continue;
1248
1249 if (!rfds) {
1250 rfds = cfds;
1251 rn_fds = cn_fds;
1252 } else {
1253 int *t;
1254
1255 if (!(t = new(int, rn_fds+cn_fds))) {
1256 free(cfds);
1257 r = -ENOMEM;
1258 goto fail;
1259 }
1260
1261 memcpy(t, rfds, rn_fds);
1262 memcpy(t+rn_fds, cfds, cn_fds);
1263 free(rfds);
1264 free(cfds);
1265
1266 rfds = t;
1267 rn_fds = rn_fds+cn_fds;
1268 }
1269 }
1270
1271 *fds = rfds;
1272 *n_fds = rn_fds;
3e33402a
LP		 1273
1274 set_free(set);
1275
44d8db9e
LP		 1276 return 0;
1277
1278fail:
3e33402a 1279 set_free(set);
44d8db9e 1280 free(rfds);
3e33402a 1281
44d8db9e
LP		 1282 return r;
1283}
1284
81a2b7ce
LP		 1285static int service_spawn(
1286 Service *s,
1287 ExecCommand *c,
1288 bool timeout,
1289 bool pass_fds,
1290 bool apply_permissions,
1291 bool apply_chroot,
c952c6ec 1292 bool set_notify_socket,
81a2b7ce
LP		 1293 pid_t *_pid) {
1294
034c6ed7
LP		 1295 pid_t pid;
1296 int r;
6cf6bbc2 1297 int *fds = NULL, *fdsbuf = NULL;
44d8db9e 1298 unsigned n_fds = 0;
c952c6ec 1299 char **argv = NULL, **env = NULL;
034c6ed7
LP		 1300
1301 assert(s);
1302 assert(c);
1303 assert(_pid);
1304
6cf6bbc2
LP		 1305 if (pass_fds ||
1306 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1307 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1308 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1309
4f2d528d
LP		 1310 if (s->socket_fd >= 0) {
1311 fds = &s->socket_fd;
1312 n_fds = 1;
6cf6bbc2
LP		 1313 } else {
1314 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1315 goto fail;
1316
1317 fds = fdsbuf;
1318 }
4f2d528d 1319 }
44d8db9e 1320
e558336f 1321 if (timeout && s->timeout_usec) {
acbb0225 1322 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1323 goto fail;
1324 } else
acbb0225 1325 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1326
9e2f7c11
LP		 1327 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1328 r = -ENOMEM;
1329 goto fail;
1330 }
1331
c952c6ec
LP		 1332 if (set_notify_socket) {
1333 char *t;
1334
1335 if (asprintf(&t, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
1336 r = -ENOMEM;
1337 goto fail;
1338 }
1339
1340 env = strv_env_set(s->meta.manager->environment, t);
1341 free(t);
1342
1343 if (!env) {
1344 r = -ENOMEM;
1345 goto fail;
1346 }
1347 } else
1348 env = s->meta.manager->environment;
1349
9e2f7c11
LP		 1350 r = exec_spawn(c,
1351 argv,
1352 &s->exec_context,
1353 fds, n_fds,
c952c6ec 1354 env,
9e2f7c11
LP		 1355 apply_permissions,
1356 apply_chroot,
4cd1fbcc
LP		 1357 s->meta.manager->confirm_spawn,
1358 s->meta.cgroup_bondings,
9e2f7c11
LP		 1359 &pid);
1360
1361 strv_free(argv);
c952c6ec
LP		 1362 argv = NULL;
1363
1364 if (set_notify_socket)
1365 strv_free(env);
1366 env = NULL;
1367
9e2f7c11 1368 if (r < 0)
034c6ed7
LP		 1369 goto fail;
1370
6cf6bbc2
LP		 1371 if (fdsbuf)
1372 free(fdsbuf);
4f2d528d 1373
87f0e418 1374 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1375 /* FIXME: we need to do something here */
1376 goto fail;
1377
1378 *_pid = pid;
1379
5cb5a6ff 1380 return 0;
034c6ed7
LP		 1381
1382fail:
44d8db9e
LP		 1383 free(fds);
1384
c952c6ec
LP		 1385 strv_free(argv);
1386
1387 if (set_notify_socket)
1388 strv_free(env);
1389
034c6ed7 1390 if (timeout)
acbb0225 1391 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1392
1393 return r;
1394}
1395
80876c20
LP		 1396static int main_pid_good(Service *s) {
1397 assert(s);
1398
1399 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1400 * don't know */
1401
1402 /* If we know the pid file, then lets just check if it is
1403 * still valid */
1404 if (s->main_pid_known)
1405 return s->main_pid > 0;
1406
1407 /* We don't know the pid */
1408 return -EAGAIN;
1409}
1410
1411static int control_pid_good(Service *s) {
1412 assert(s);
1413
1414 return s->control_pid > 0;
1415}
1416
1417static int cgroup_good(Service *s) {
1418 int r;
1419
1420 assert(s);
1421
4cd1fbcc 1422 if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
80876c20
LP		 1423 return r;
1424
1425 return !r;
1426}
1427
034c6ed7
LP		 1428static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1429 int r;
1430 assert(s);
1431
1432 if (!success)
1433 s->failure = true;
1434
1435 if (allow_restart &&
3a762661 1436 s->allow_restart &&
034c6ed7
LP		 1437 (s->restart == SERVICE_RESTART_ALWAYS ||
1438 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
1439
acbb0225 1440 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1441 goto fail;
1442
1443 service_set_state(s, SERVICE_AUTO_RESTART);
1444 } else
18c78fb1 1445 service_set_state(s, s->failure ? SERVICE_MAINTENANCE : SERVICE_DEAD);
034c6ed7
LP		 1446
1447 return;
1448
1449fail:
4cd1fbcc 1450 log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1451 service_enter_dead(s, false, false);
1452}
1453
1454static void service_enter_signal(Service *s, ServiceState state, bool success);
1455
1456static void service_enter_stop_post(Service *s, bool success) {
1457 int r;
1458 assert(s);
1459
1460 if (!success)
1461 s->failure = true;
1462
5e94833f
LP		 1463 service_unwatch_control_pid(s);
1464
a16e1123 1465 s->control_command_id = SERVICE_EXEC_STOP_POST;
80876c20 1466 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1467 if ((r = service_spawn(s,
1468 s->control_command,
1469 true,
1470 false,
1471 !s->permissions_start_only,
1472 !s->root_directory_start_only,
c952c6ec 1473 false,
81a2b7ce 1474 &s->control_pid)) < 0)
034c6ed7
LP		 1475 goto fail;
1476
d6ea93e3 1477
80876c20
LP		 1478 service_set_state(s, SERVICE_STOP_POST);
1479 } else
1480 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1481
1482 return;
1483
1484fail:
4cd1fbcc 1485 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1486 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1487}
1488
1489static void service_enter_signal(Service *s, ServiceState state, bool success) {
1490 int r;
1491 bool sent = false;
1492
1493 assert(s);
1494
1495 if (!success)
1496 s->failure = true;
1497
80876c20
LP		 1498 if (s->kill_mode != KILL_NONE) {
1499 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL;
034c6ed7 1500
50159e6a 1501 if (s->kill_mode == KILL_CONTROL_GROUP) {
034c6ed7 1502
4cd1fbcc 1503 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) {
50159e6a
LP		 1504 if (r != -EAGAIN && r != -ESRCH)
1505 goto fail;
1506 } else
034c6ed7
LP		 1507 sent = true;
1508 }
1509
50159e6a
LP		 1510 if (!sent) {
1511 r = 0;
80876c20 1512
50159e6a
LP		 1513 if (s->main_pid > 0) {
1514 if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
1515 r = -errno;
1516 else
1517 sent = true;
1518 }
1519
1520 if (s->control_pid > 0) {
1521 if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
1522 r = -errno;
1523 else
1524 sent = true;
1525 }
1526
1527 if (r < 0)
1528 goto fail;
1529 }
d6ea93e3 1530 }
034c6ed7 1531
e93bc5a6 1532 if (sent && (s->main_pid > 0 || s->control_pid > 0)) {
e558336f
LP		 1533 if (s->timeout_usec > 0)
1534 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1535 goto fail;
d6ea93e3 1536
80876c20
LP		 1537 service_set_state(s, state);
1538 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1539 service_enter_stop_post(s, true);
1540 else
034c6ed7
LP		 1541 service_enter_dead(s, true, true);
1542
1543 return;
1544
1545fail:
4cd1fbcc 1546 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7 1547
80876c20 1548 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1549 service_enter_stop_post(s, false);
1550 else
1551 service_enter_dead(s, false, true);
1552}
1553
1554static void service_enter_stop(Service *s, bool success) {
1555 int r;
5925dd3c 1556
034c6ed7
LP		 1557 assert(s);
1558
1559 if (!success)
1560 s->failure = true;
1561
5e94833f
LP		 1562 service_unwatch_control_pid(s);
1563
a16e1123 1564 s->control_command_id = SERVICE_EXEC_STOP;
80876c20 1565 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1566 if ((r = service_spawn(s,
1567 s->control_command,
1568 true,
1569 false,
1570 !s->permissions_start_only,
1571 !s->root_directory_start_only,
c952c6ec 1572 false,
e55224ca 1573 &s->control_pid)) < 0)
034c6ed7
LP		 1574 goto fail;
1575
80876c20
LP		 1576 service_set_state(s, SERVICE_STOP);
1577 } else
034c6ed7
LP		 1578 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1579
1580 return;
1581
1582fail:
4cd1fbcc 1583 log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1584 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1585}
1586
80876c20 1587static void service_enter_running(Service *s, bool success) {
4eab639f 1588 int main_pid_ok, cgroup_ok;
80876c20
LP		 1589 assert(s);
1590
1591 if (!success)
1592 s->failure = true;
1593
4eab639f
LP		 1594 main_pid_ok = main_pid_good(s);
1595 cgroup_ok = cgroup_good(s);
1596
1597 if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
05e343b7 1598 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20
LP		 1599 service_set_state(s, SERVICE_RUNNING);
1600 else if (s->valid_no_process)
1601 service_set_state(s, SERVICE_EXITED);
1602 else
1603 service_enter_stop(s, true);
1604}
1605
034c6ed7
LP		 1606static void service_enter_start_post(Service *s) {
1607 int r;
1608 assert(s);
1609
5e94833f
LP		 1610 service_unwatch_control_pid(s);
1611
a16e1123 1612 s->control_command_id = SERVICE_EXEC_START_POST;
80876c20 1613 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1614 if ((r = service_spawn(s,
1615 s->control_command,
1616 true,
1617 false,
1618 !s->permissions_start_only,
1619 !s->root_directory_start_only,
c952c6ec 1620 false,
e55224ca 1621 &s->control_pid)) < 0)
034c6ed7
LP		 1622 goto fail;
1623
80876c20
LP		 1624 service_set_state(s, SERVICE_START_POST);
1625 } else
1626 service_enter_running(s, true);
034c6ed7
LP		 1627
1628 return;
1629
1630fail:
4cd1fbcc 1631 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1632 service_enter_stop(s, false);
1633}
1634
1635static void service_enter_start(Service *s) {
1636 pid_t pid;
1637 int r;
1638
1639 assert(s);
1640
1641 assert(s->exec_command[SERVICE_EXEC_START]);
1642 assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
1643
80876c20
LP		 1644 if (s->type == SERVICE_FORKING)
1645 service_unwatch_control_pid(s);
1646 else
1647 service_unwatch_main_pid(s);
1648
81a2b7ce
LP		 1649 if ((r = service_spawn(s,
1650 s->exec_command[SERVICE_EXEC_START],
8c47c732 1651 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 1652 true,
1653 true,
1654 true,
c952c6ec 1655 s->notify_access != NOTIFY_NONE,
81a2b7ce 1656 &pid)) < 0)
034c6ed7
LP		 1657 goto fail;
1658
1659 if (s->type == SERVICE_SIMPLE) {
1660 /* For simple services we immediately start
1661 * the START_POST binaries. */
1662
5925dd3c 1663 service_set_main_pid(s, pid);
034c6ed7
LP		 1664 service_enter_start_post(s);
1665
1666 } else if (s->type == SERVICE_FORKING) {
1667
1668 /* For forking services we wait until the start
1669 * process exited. */
1670
a16e1123 1671 s->control_command_id = SERVICE_EXEC_START;
034c6ed7 1672 s->control_command = s->exec_command[SERVICE_EXEC_START];
5925dd3c 1673
e55224ca 1674 s->control_pid = pid;
80876c20
LP		 1675 service_set_state(s, SERVICE_START);
1676
05e343b7 1677 } else if (s->type == SERVICE_FINISH ||
8c47c732
LP		 1678 s->type == SERVICE_DBUS ||
1679 s->type == SERVICE_NOTIFY) {
7d55e835
LP		 1680
1681 /* For finishing services we wait until the start
1682 * process exited, too, but it is our main process. */
1683
05e343b7 1684 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 1685 * but wait for the bus name to appear on the
1686 * bus. Notify services are similar. */
05e343b7 1687
5925dd3c 1688 service_set_main_pid(s, pid);
80876c20 1689 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1690 } else
1691 assert_not_reached("Unknown service type");
1692
1693 return;
1694
1695fail:
4cd1fbcc 1696 log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
80876c20 1697 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1698}
1699
1700static void service_enter_start_pre(Service *s) {
1701 int r;
1702
1703 assert(s);
1704
5e94833f
LP		 1705 service_unwatch_control_pid(s);
1706
a16e1123 1707 s->control_command_id = SERVICE_EXEC_START_PRE;
80876c20 1708 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
81a2b7ce
LP		 1709 if ((r = service_spawn(s,
1710 s->control_command,
1711 true,
1712 false,
1713 !s->permissions_start_only,
1714 !s->root_directory_start_only,
c952c6ec 1715 false,
e55224ca 1716 &s->control_pid)) < 0)
034c6ed7
LP		 1717 goto fail;
1718
80876c20
LP		 1719 service_set_state(s, SERVICE_START_PRE);
1720 } else
034c6ed7
LP		 1721 service_enter_start(s);
1722
1723 return;
1724
1725fail:
4cd1fbcc 1726 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1727 service_enter_dead(s, false, true);
1728}
1729
1730static void service_enter_restart(Service *s) {
1731 int r;
1732 assert(s);
1733
9ea9a0c8
LP		 1734 service_enter_dead(s, true, false);
1735
4cd1fbcc 1736 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0)
034c6ed7
LP		 1737 goto fail;
1738
4cd1fbcc 1739 log_debug("%s scheduled restart job.", s->meta.id);
034c6ed7
LP		 1740 return;
1741
1742fail:
1743
4cd1fbcc 1744 log_warning("%s failed to schedule restart job: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1745 service_enter_dead(s, false, false);
1746}
1747
1748static void service_enter_reload(Service *s) {
1749 int r;
1750
1751 assert(s);
1752
5e94833f
LP		 1753 service_unwatch_control_pid(s);
1754
a16e1123 1755 s->control_command_id = SERVICE_EXEC_RELOAD;
80876c20 1756 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 1757 if ((r = service_spawn(s,
1758 s->control_command,
1759 true,
1760 false,
1761 !s->permissions_start_only,
1762 !s->root_directory_start_only,
c952c6ec 1763 false,
e55224ca 1764 &s->control_pid)) < 0)
034c6ed7
LP		 1765 goto fail;
1766
80876c20
LP		 1767 service_set_state(s, SERVICE_RELOAD);
1768 } else
1769 service_enter_running(s, true);
034c6ed7
LP		 1770
1771 return;
1772
1773fail:
4cd1fbcc 1774 log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1775 service_enter_stop(s, false);
1776}
1777
1778static void service_run_next(Service *s, bool success) {
1779 int r;
1780
1781 assert(s);
1782 assert(s->control_command);
1783 assert(s->control_command->command_next);
1784
1785 if (!success)
1786 s->failure = true;
1787
1788 s->control_command = s->control_command->command_next;
1789
5e94833f
LP		 1790 service_unwatch_control_pid(s);
1791
81a2b7ce
LP		 1792 if ((r = service_spawn(s,
1793 s->control_command,
1794 true,
1795 false,
1796 !s->permissions_start_only,
1797 !s->root_directory_start_only,
c952c6ec 1798 false,
e55224ca 1799 &s->control_pid)) < 0)
034c6ed7
LP		 1800 goto fail;
1801
1802 return;
1803
1804fail:
4cd1fbcc 1805 log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r));
034c6ed7 1806
80876c20
LP		 1807 if (s->state == SERVICE_START_PRE)
1808 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1809 else if (s->state == SERVICE_STOP)
1810 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 1811 else if (s->state == SERVICE_STOP_POST)
1812 service_enter_dead(s, false, true);
1813 else
1814 service_enter_stop(s, false);
5cb5a6ff
LP		 1815}
1816
87f0e418
LP		 1817static int service_start(Unit *u) {
1818 Service *s = SERVICE(u);
5cb5a6ff
LP		 1819
1820 assert(s);
1821
034c6ed7
LP		 1822 /* We cannot fulfill this request right now, try again later
1823 * please! */
1824 if (s->state == SERVICE_STOP ||
1825 s->state == SERVICE_STOP_SIGTERM ||
1826 s->state == SERVICE_STOP_SIGKILL ||
1827 s->state == SERVICE_STOP_POST ||
1828 s->state == SERVICE_FINAL_SIGTERM ||
1829 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 1830 return -EAGAIN;
1831
034c6ed7
LP		 1832 /* Already on it! */
1833 if (s->state == SERVICE_START_PRE ||
1834 s->state == SERVICE_START ||
1835 s->state == SERVICE_START_POST)
1836 return 0;
1837
18c78fb1 1838 assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTENANCE || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 1839
1e2e8133
LP		 1840 /* Make sure we don't enter a busy loop of some kind. */
1841 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 1842 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
d5159713 1843 return -ECANCELED;
1e2e8133
LP		 1844 }
1845
034c6ed7
LP		 1846 s->failure = false;
1847 s->main_pid_known = false;
3a762661 1848 s->allow_restart = true;
034c6ed7
LP		 1849
1850 service_enter_start_pre(s);
1851 return 0;
5cb5a6ff
LP		 1852}
1853
87f0e418
LP		 1854static int service_stop(Unit *u) {
1855 Service *s = SERVICE(u);
5cb5a6ff
LP		 1856
1857 assert(s);
1858
e537352b 1859 /* Cannot do this now */
034c6ed7
LP		 1860 if (s->state == SERVICE_START_PRE ||
1861 s->state == SERVICE_START ||
1862 s->state == SERVICE_START_POST ||
1863 s->state == SERVICE_RELOAD)
1864 return -EAGAIN;
1865
e537352b
LP		 1866 /* Already on it */
1867 if (s->state == SERVICE_STOP ||
1868 s->state == SERVICE_STOP_SIGTERM ||
1869 s->state == SERVICE_STOP_SIGKILL ||
1870 s->state == SERVICE_STOP_POST ||
1871 s->state == SERVICE_FINAL_SIGTERM ||
1872 s->state == SERVICE_FINAL_SIGKILL)
1873 return 0;
1874
034c6ed7
LP		 1875 if (s->state == SERVICE_AUTO_RESTART) {
1876 service_set_state(s, SERVICE_DEAD);
1877 return 0;
1878 }
1879
80876c20 1880 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
5cb5a6ff 1881
3a762661
LP		 1882 /* This is a user request, so don't do restarts on this
1883 * shutdown. */
1884 s->allow_restart = false;
1885
034c6ed7 1886 service_enter_stop(s, true);
5cb5a6ff
LP		 1887 return 0;
1888}
1889
87f0e418
LP		 1890static int service_reload(Unit *u) {
1891 Service *s = SERVICE(u);
034c6ed7
LP		 1892
1893 assert(s);
1894
80876c20 1895 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 1896
1897 service_enter_reload(s);
5cb5a6ff
LP		 1898 return 0;
1899}
1900
87f0e418
LP		 1901static bool service_can_reload(Unit *u) {
1902 Service *s = SERVICE(u);
034c6ed7
LP		 1903
1904 assert(s);
1905
1906 return !!s->exec_command[SERVICE_EXEC_RELOAD];
1907}
1908
a16e1123
LP		 1909static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
1910 Service *s = SERVICE(u);
1911
1912 assert(u);
1913 assert(f);
1914 assert(fds);
1915
1916 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
1917 unit_serialize_item(u, f, "failure", yes_no(s->failure));
1918
1919 if (s->control_pid > 0)
5925dd3c 1920 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 1921
5925dd3c
LP		 1922 if (s->main_pid_known && s->main_pid > 0)
1923 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 1924
1925 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
1926
1927 /* There's a minor uncleanliness here: if there are multiple
1928 * commands attached here, we will start from the first one
1929 * again */
1930 if (s->control_command_id >= 0)
825636e5 1931 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 1932
1933 if (s->socket_fd >= 0) {
1934 int copy;
1935
1936 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
1937 return copy;
1938
1939 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
1940 }
1941
1942 return 0;
1943}
1944
1945static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
1946 Service *s = SERVICE(u);
1947 int r;
1948
1949 assert(u);
1950 assert(key);
1951 assert(value);
1952 assert(fds);
1953
1954 if (streq(key, "state")) {
1955 ServiceState state;
1956
1957 if ((state = service_state_from_string(value)) < 0)
1958 log_debug("Failed to parse state value %s", value);
1959 else
1960 s->deserialized_state = state;
1961 } else if (streq(key, "failure")) {
1962 int b;
1963
1964 if ((b = parse_boolean(value)) < 0)
1965 log_debug("Failed to parse failure value %s", value);
1966 else
1967 s->failure = b || s->failure;
1968 } else if (streq(key, "control-pid")) {
5925dd3c 1969 pid_t pid;
a16e1123 1970
5925dd3c 1971 if ((r = parse_pid(value, &pid)) < 0)
a16e1123
LP		 1972 log_debug("Failed to parse control-pid value %s", value);
1973 else
e55224ca 1974 s->control_pid = pid;
a16e1123 1975 } else if (streq(key, "main-pid")) {
5925dd3c 1976 pid_t pid;
a16e1123 1977
5925dd3c 1978 if ((r = parse_pid(value, &pid)) < 0)
a16e1123
LP		 1979 log_debug("Failed to parse main-pid value %s", value);
1980 else
5925dd3c 1981 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 1982 } else if (streq(key, "main-pid-known")) {
1983 int b;
1984
1985 if ((b = parse_boolean(value)) < 0)
1986 log_debug("Failed to parse main-pid-known value %s", value);
1987 else
1988 s->main_pid_known = b;
1989 } else if (streq(key, "control-command")) {
1990 ServiceExecCommand id;
1991
1992 if ((id = service_exec_command_from_string(value)) < 0)
1993 log_debug("Failed to parse exec-command value %s", value);
1994 else {
1995 s->control_command_id = id;
1996 s->control_command = s->exec_command[id];
1997 }
1998 } else if (streq(key, "socket-fd")) {
1999 int fd;
2000
2001 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2002 log_debug("Failed to parse socket-fd value %s", value);
2003 else {
2004
2005 if (s->socket_fd >= 0)
2006 close_nointr_nofail(s->socket_fd);
2007 s->socket_fd = fdset_remove(fds, fd);
2008 }
2009 } else
2010 log_debug("Unknown serialization key '%s'", key);
2011
2012 return 0;
2013}
2014
87f0e418
LP		 2015static UnitActiveState service_active_state(Unit *u) {
2016 assert(u);
5cb5a6ff 2017
acbb0225 2018 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2019}
2020
10a94420
LP		 2021static const char *service_sub_state_to_string(Unit *u) {
2022 assert(u);
2023
2024 return service_state_to_string(SERVICE(u)->state);
2025}
2026
701cc384
LP		 2027static bool service_check_gc(Unit *u) {
2028 Service *s = SERVICE(u);
2029
2030 assert(s);
2031
2032 return !!s->sysv_path;
2033}
2034
2035static bool service_check_snapshot(Unit *u) {
2036 Service *s = SERVICE(u);
2037
2038 assert(s);
2039
2040 return !s->got_socket_fd;
2041}
2042
87f0e418
LP		 2043static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2044 Service *s = SERVICE(u);
034c6ed7 2045 bool success;
5cb5a6ff
LP		 2046
2047 assert(s);
034c6ed7
LP		 2048 assert(pid >= 0);
2049
cb8a8f78 2050 success = is_clean_exit(code, status);
034c6ed7
LP		 2051 s->failure = s->failure || !success;
2052
2053 if (s->main_pid == pid) {
2054
2055 exec_status_fill(&s->main_exec_status, pid, code, status);
2056 s->main_pid = 0;
2057
8c47c732 2058 if (s->type != SERVICE_FORKING) {
034c6ed7
LP		 2059 assert(s->exec_command[SERVICE_EXEC_START]);
2060 s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
2061 }
2062
9e2f7c11 2063 log_debug("%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 2064
2065 /* The service exited, so the service is officially
2066 * gone. */
2067
2068 switch (s->state) {
2069
2070 case SERVICE_START_POST:
2071 case SERVICE_RELOAD:
2072 case SERVICE_STOP:
2073 /* Need to wait until the operation is
2074 * done */
2075 break;
2076
7d55e835 2077 case SERVICE_START:
c4653a4d
LP		 2078 if (s->type == SERVICE_FINISH) {
2079 /* This was our main goal, so let's go on */
2080 if (success)
2081 service_enter_start_post(s);
2082 else
2083 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2084 break;
2085 } else {
8c47c732 2086 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2087
c4653a4d
LP		 2088 /* Fall through */
2089 }
7d55e835 2090
034c6ed7 2091 case SERVICE_RUNNING:
80876c20 2092 service_enter_running(s, success);
034c6ed7
LP		 2093 break;
2094
2095 case SERVICE_STOP_SIGTERM:
2096 case SERVICE_STOP_SIGKILL:
2097
2098 if (!control_pid_good(s))
2099 service_enter_stop_post(s, success);
5cb5a6ff 2100
034c6ed7
LP		 2101 /* If there is still a control process, wait for that first */
2102 break;
5cb5a6ff 2103
034c6ed7
LP		 2104 default:
2105 assert_not_reached("Uh, main process died at wrong time.");
2106 }
5cb5a6ff 2107
034c6ed7 2108 } else if (s->control_pid == pid) {
034c6ed7 2109
a16e1123
LP		 2110 if (s->control_command)
2111 exec_status_fill(&s->control_command->exec_status, pid, code, status);
2112
034c6ed7
LP		 2113 s->control_pid = 0;
2114
9e2f7c11 2115 log_debug("%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 2116
2117 /* If we are shutting things down anyway we
2118 * don't care about failing commands. */
2119
a16e1123 2120 if (s->control_command && s->control_command->command_next && success) {
034c6ed7
LP		 2121
2122 /* There is another command to *
2123 * execute, so let's do that. */
2124
9e2f7c11 2125 log_debug("%s running next command for state %s", u->meta.id, service_state_to_string(s->state));
034c6ed7
LP		 2126 service_run_next(s, success);
2127
80876c20 2128 } else {
034c6ed7
LP		 2129 /* No further commands for this step, so let's
2130 * figure out what to do next */
2131
a16e1123
LP		 2132 s->control_command = NULL;
2133 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2134
9e2f7c11 2135 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 2136
034c6ed7
LP		 2137 switch (s->state) {
2138
2139 case SERVICE_START_PRE:
2140 if (success)
2141 service_enter_start(s);
2142 else
80876c20 2143 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2144 break;
2145
2146 case SERVICE_START:
2147 assert(s->type == SERVICE_FORKING);
2148
2149 /* Let's try to load the pid
2150 * file here if we can. We
2151 * ignore the return value,
2152 * since the PID file might
2153 * actually be created by a
2154 * START_POST script */
2155
2156 if (success) {
2157 if (s->pid_file)
2158 service_load_pid_file(s);
2159
2160 service_enter_start_post(s);
2161 } else
80876c20 2162 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2163
2164 break;
2165
2166 case SERVICE_START_POST:
2167 if (success && s->pid_file && !s->main_pid_known) {
2168 int r;
2169
2170 /* Hmm, let's see if we can
2171 * load the pid now after the
2172 * start-post scripts got
2173 * executed. */
2174
2175 if ((r = service_load_pid_file(s)) < 0)
4cd1fbcc 2176 log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 2177 }
2178
2179 /* Fall through */
2180
2181 case SERVICE_RELOAD:
80876c20
LP		 2182 if (success)
2183 service_enter_running(s, true);
2184 else
034c6ed7
LP		 2185 service_enter_stop(s, false);
2186
2187 break;
2188
2189 case SERVICE_STOP:
80876c20 2190 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2191 break;
2192
2193 case SERVICE_STOP_SIGTERM:
2194 case SERVICE_STOP_SIGKILL:
2195 if (main_pid_good(s) <= 0)
2196 service_enter_stop_post(s, success);
2197
2198 /* If there is still a service
2199 * process around, wait until
2200 * that one quit, too */
2201 break;
2202
2203 case SERVICE_STOP_POST:
2204 case SERVICE_FINAL_SIGTERM:
2205 case SERVICE_FINAL_SIGKILL:
2206 service_enter_dead(s, success, true);
2207 break;
2208
2209 default:
2210 assert_not_reached("Uh, control process died at wrong time.");
2211 }
2212 }
8c47c732 2213 }
034c6ed7
LP		 2214}
2215
acbb0225 2216static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2217 Service *s = SERVICE(u);
034c6ed7
LP		 2218
2219 assert(s);
2220 assert(elapsed == 1);
2221
acbb0225 2222 assert(w == &s->timer_watch);
034c6ed7
LP		 2223
2224 switch (s->state) {
2225
2226 case SERVICE_START_PRE:
2227 case SERVICE_START:
9e2f7c11 2228 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 2229 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2230 break;
2231
034c6ed7
LP		 2232 case SERVICE_START_POST:
2233 case SERVICE_RELOAD:
9e2f7c11 2234 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 2235 service_enter_stop(s, false);
2236 break;
2237
2238 case SERVICE_STOP:
9e2f7c11 2239 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 2240 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2241 break;
2242
2243 case SERVICE_STOP_SIGTERM:
9e2f7c11 2244 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 2245 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2246 break;
2247
2248 case SERVICE_STOP_SIGKILL:
2249 /* Uh, wie sent a SIGKILL and it is still not gone?
2250 * Must be something we cannot kill, so let's just be
2251 * weirded out and continue */
2252
9e2f7c11 2253 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 2254 service_enter_stop_post(s, false);
2255 break;
2256
2257 case SERVICE_STOP_POST:
9e2f7c11 2258 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 2259 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2260 break;
2261
2262 case SERVICE_FINAL_SIGTERM:
9e2f7c11 2263 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 2264 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2265 break;
2266
2267 case SERVICE_FINAL_SIGKILL:
18c78fb1 2268 log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id);
034c6ed7
LP		 2269 service_enter_dead(s, false, true);
2270 break;
2271
2272 case SERVICE_AUTO_RESTART:
9e2f7c11 2273 log_debug("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 2274 service_enter_restart(s);
2275 break;
2276
2277 default:
2278 assert_not_reached("Timeout at wrong time.");
2279 }
5cb5a6ff
LP		 2280}
2281
8e274523
LP		 2282static void service_cgroup_notify_event(Unit *u) {
2283 Service *s = SERVICE(u);
2284
2285 assert(u);
2286
9e2f7c11 2287 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 2288
2289 switch (s->state) {
2290
2291 /* Waiting for SIGCHLD is usually more interesting,
2292 * because it includes return codes/signals. Which is
2293 * why we ignore the cgroup events for most cases,
2294 * except when we don't know pid which to expect the
2295 * SIGCHLD for. */
2296
2297 case SERVICE_RUNNING:
80876c20 2298 service_enter_running(s, true);
8e274523
LP		 2299 break;
2300
2301 default:
2302 ;
2303 }
2304}
2305
c952c6ec 2306static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 2307 Service *s = SERVICE(u);
2308 const char *e;
2309
2310 assert(u);
2311
c952c6ec
LP		 2312 if (s->notify_access == NOTIFY_NONE) {
2313 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
2314 u->meta.id, (unsigned long) pid);
2315 return;
2316 }
2317
2318 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
2319 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
2320 u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
2321 return;
2322 }
2323
8c47c732
LP		 2324 log_debug("%s: Got message", u->meta.id);
2325
2326 /* Interpret MAINPID= */
2327 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
2328 (s->state == SERVICE_START ||
2329 s->state == SERVICE_START_POST ||
2330 s->state == SERVICE_RUNNING ||
2331 s->state == SERVICE_RELOAD)) {
8c47c732 2332
5925dd3c 2333 if (parse_pid(e + 8, &pid) < 0)
8c47c732
LP		 2334 log_warning("Failed to parse %s", e);
2335 else {
2336 log_debug("%s: got %s", u->meta.id, e);
5925dd3c 2337 service_set_main_pid(s, pid);
8c47c732
LP		 2338 }
2339 }
2340
2341 /* Interpret READY= */
2342 if (s->type == SERVICE_NOTIFY &&
2343 s->state == SERVICE_START &&
2344 strv_find(tags, "READY=1")) {
2345 log_debug("%s: got READY=1", u->meta.id);
2346
2347 service_enter_start_post(s);
2348 }
2349
2350 /* Interpret STATUS= */
2351 if ((e = strv_find_prefix(tags, "STATUS="))) {
2352 char *t;
2353
2354 if (!(t = strdup(e+7))) {
2355 log_error("Failed to allocate string.");
2356 return;
2357 }
2358
2359 log_debug("%s: got %s", u->meta.id, e);
2360
2361 free(s->status_text);
2362 s->status_text = t;
2363 }
2364}
2365
2c4104f0 2366static int service_enumerate(Manager *m) {
2c4104f0
LP		 2367 char **p;
2368 unsigned i;
2369 DIR *d = NULL;
2370 char *path = NULL, *fpath = NULL, *name = NULL;
2371 int r;
2372
2373 assert(m);
2374
84e3543e 2375 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 2376 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 2377 struct dirent *de;
2378
2379 free(path);
2380 path = NULL;
09cd1ab1 2381 if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
2c4104f0
LP		 2382 r = -ENOMEM;
2383 goto finish;
2384 }
2385
2386 if (d)
2387 closedir(d);
2388
2389 if (!(d = opendir(path))) {
2390 if (errno != ENOENT)
2391 log_warning("opendir() failed on %s: %s", path, strerror(errno));
2392
2393 continue;
2394 }
2395
2396 while ((de = readdir(d))) {
6542952f 2397 Unit *service;
db06e3b6 2398 int a, b;
2c4104f0
LP		 2399
2400 if (ignore_file(de->d_name))
2401 continue;
2402
2403 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
2404 continue;
2405
2406 if (strlen(de->d_name) < 4)
2407 continue;
2408
db06e3b6
LP		 2409 a = undecchar(de->d_name[1]);
2410 b = undecchar(de->d_name[2]);
2411
2412 if (a < 0 || b < 0)
2413 continue;
2414
2c4104f0
LP		 2415 free(fpath);
2416 fpath = NULL;
09cd1ab1 2417 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
2c4104f0
LP		 2418 r = -ENOMEM;
2419 goto finish;
2420 }
2421
2422 if (access(fpath, X_OK) < 0) {
2423
2424 if (errno != ENOENT)
2425 log_warning("access() failed on %s: %s", fpath, strerror(errno));
2426
2427 continue;
2428 }
2429
2430 free(name);
b7ccee3c 2431 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 2432 r = -ENOMEM;
2433 goto finish;
2434 }
2435
fbe9f3a9
LP		 2436 if ((r = manager_load_unit_prepare(m, name, NULL, &service)) < 0) {
2437 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2438 continue;
2439 }
2c4104f0 2440
09cd1ab1 2441 if (de->d_name[0] == 'S' &&
fc5df99e 2442 (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT))
fbe9f3a9
LP		 2443 SERVICE(service)->sysv_start_priority =
2444 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
db06e3b6
LP		 2445
2446 manager_dispatch_load_queue(m);
2447 service = unit_follow_merge(service);
2448
2c4104f0 2449 if (de->d_name[0] == 'S') {
2c4104f0 2450
2c966c03 2451 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
2c4104f0 2452 goto finish;
23a177ef 2453
fc5df99e
LP		 2454 } else if (de->d_name[0] == 'K' &&
2455 (rcnd_table[i].type == RUNLEVEL_DOWN ||
2456 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f 2457
23a177ef
LP		 2458 /* We honour K links only for
2459 * halt/reboot. For the normal
2460 * runlevels we assume the
2461 * stop jobs will be
2462 * implicitly added by the
6542952f
LP		 2463 * core logic. Also, we don't
2464 * really distuingish here
2465 * between the runlevels 0 and
2466 * 6 and just add them to the
fc5df99e
LP		 2467 * special shutdown target. On
2468 * SUSE the boot.d/ runlevel
2469 * is also used for shutdown,
2470 * so we add links for that
2471 * too to the shutdown
2472 * target.*/
6542952f 2473
2c966c03 2474 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
2c4104f0
LP		 2475 goto finish;
2476 }
2477 }
2478 }
2479
2480 r = 0;
2481
2482finish:
2483 free(path);
2484 free(fpath);
2485 free(name);
fbe9f3a9
LP		 2486
2487 if (d)
2488 closedir(d);
2c4104f0
LP		 2489
2490 return r;
2491}
2492
05e343b7
LP		 2493static void service_bus_name_owner_change(
2494 Unit *u,
2495 const char *name,
2496 const char *old_owner,
2497 const char *new_owner) {
2498
2499 Service *s = SERVICE(u);
2500
2501 assert(s);
2502 assert(name);
2503
2504 assert(streq(s->bus_name, name));
2505 assert(old_owner || new_owner);
2506
2507 if (old_owner && new_owner)
2508 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
2509 else if (old_owner)
2510 log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
2511 else
2512 log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
2513
2514 s->bus_name_good = !!new_owner;
2515
2516 if (s->type == SERVICE_DBUS) {
2517
2518 /* service_enter_running() will figure out what to
2519 * do */
2520 if (s->state == SERVICE_RUNNING)
2521 service_enter_running(s, true);
2522 else if (s->state == SERVICE_START && new_owner)
2523 service_enter_start_post(s);
2524
2525 } else if (new_owner &&
2526 s->main_pid <= 0 &&
2527 (s->state == SERVICE_START ||
2528 s->state == SERVICE_START_POST ||
2529 s->state == SERVICE_RUNNING ||
2530 s->state == SERVICE_RELOAD)) {
2531
2532 /* Try to acquire PID from bus service */
2533 log_debug("Trying to acquire PID from D-Bus name...");
2534
2535 bus_query_pid(u->meta.manager, name);
2536 }
2537}
2538
2539static void service_bus_query_pid_done(
2540 Unit *u,
2541 const char *name,
2542 pid_t pid) {
2543
2544 Service *s = SERVICE(u);
2545
2546 assert(s);
2547 assert(name);
2548
2549 log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
2550
2551 if (s->main_pid <= 0 &&
2552 (s->state == SERVICE_START ||
2553 s->state == SERVICE_START_POST ||
2554 s->state == SERVICE_RUNNING ||
2555 s->state == SERVICE_RELOAD))
5925dd3c 2556 service_set_main_pid(s, pid);
05e343b7
LP		 2557}
2558
6cf6bbc2 2559int service_set_socket_fd(Service *s, int fd, Socket *sock) {
4f2d528d
LP		 2560 assert(s);
2561 assert(fd >= 0);
2562
2563 /* This is called by the socket code when instantiating a new
2564 * service for a stream socket and the socket needs to be
2565 * configured. */
2566
4cd1fbcc 2567 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 2568 return -EINVAL;
2569
2570 if (s->socket_fd >= 0)
2571 return -EBUSY;
2572
2573 if (s->state != SERVICE_DEAD)
2574 return -EAGAIN;
2575
2576 s->socket_fd = fd;
701cc384 2577 s->got_socket_fd = true;
6cf6bbc2
LP		 2578 s->socket = sock;
2579
4f2d528d
LP		 2580 return 0;
2581}
2582
94f04347
LP		 2583static const char* const service_state_table[_SERVICE_STATE_MAX] = {
2584 [SERVICE_DEAD] = "dead",
2585 [SERVICE_START_PRE] = "start-pre",
2586 [SERVICE_START] = "start",
2587 [SERVICE_START_POST] = "start-post",
2588 [SERVICE_RUNNING] = "running",
80876c20 2589 [SERVICE_EXITED] = "exited",
94f04347
LP		 2590 [SERVICE_RELOAD] = "reload",
2591 [SERVICE_STOP] = "stop",
2592 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
2593 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
2594 [SERVICE_STOP_POST] = "stop-post",
2595 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
2596 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
18c78fb1 2597 [SERVICE_MAINTENANCE] = "maintenance",
94f04347
LP		 2598 [SERVICE_AUTO_RESTART] = "auto-restart",
2599};
2600
2601DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
2602
2603static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
2604 [SERVICE_ONCE] = "once",
2605 [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
40531a55 2606 [SERVICE_RESTART_ALWAYS] = "restart-always",
94f04347
LP		 2607};
2608
2609DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
2610
2611static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
94f04347 2612 [SERVICE_SIMPLE] = "simple",
0d624a78 2613 [SERVICE_FORKING] = "forking",
05e343b7 2614 [SERVICE_FINISH] = "finish",
8c47c732
LP		 2615 [SERVICE_DBUS] = "dbus",
2616 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 2617};
2618
2619DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
2620
e537352b 2621static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 2622 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
2623 [SERVICE_EXEC_START] = "ExecStart",
2624 [SERVICE_EXEC_START_POST] = "ExecStartPost",
2625 [SERVICE_EXEC_RELOAD] = "ExecReload",
2626 [SERVICE_EXEC_STOP] = "ExecStop",
2627 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
2628};
2629
2630DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
2631
c952c6ec
LP		 2632static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
2633 [NOTIFY_NONE] = "none",
2634 [NOTIFY_MAIN] = "main",
2635 [NOTIFY_ALL] = "all"
2636};
2637
2638DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
2639
87f0e418 2640const UnitVTable service_vtable = {
5cb5a6ff
LP		 2641 .suffix = ".service",
2642
034c6ed7
LP		 2643 .init = service_init,
2644 .done = service_done,
a16e1123
LP		 2645 .load = service_load,
2646
2647 .coldplug = service_coldplug,
034c6ed7 2648
5cb5a6ff
LP		 2649 .dump = service_dump,
2650
2651 .start = service_start,
2652 .stop = service_stop,
2653 .reload = service_reload,
2654
034c6ed7
LP		 2655 .can_reload = service_can_reload,
2656
a16e1123
LP		 2657 .serialize = service_serialize,
2658 .deserialize_item = service_deserialize_item,
2659
5cb5a6ff 2660 .active_state = service_active_state,
10a94420 2661 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 2662
701cc384
LP		 2663 .check_gc = service_check_gc,
2664 .check_snapshot = service_check_snapshot,
2665
034c6ed7
LP		 2666 .sigchld_event = service_sigchld_event,
2667 .timer_event = service_timer_event,
2c4104f0 2668
8e274523 2669 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 2670 .notify_message = service_notify_message,
8e274523 2671
05e343b7
LP		 2672 .bus_name_owner_change = service_bus_name_owner_change,
2673 .bus_query_pid_done = service_bus_query_pid_done,
2674
4139c1b2
LP		 2675 .bus_message_handler = bus_service_message_handler,
2676
2c4104f0 2677 .enumerate = service_enumerate
5cb5a6ff 2678};
Unnamed repository; edit this file 'description' to name the repository.