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service: when resolving sysv names drop leading $
[thirdparty/systemd.git] / src / service.c
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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
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"
398ef8ba 36#include "bus-errors.h"
2c4104f0
LP		 37
38#define COMMENTS "#;\n"
39#define NEWLINES "\n\r"
034c6ed7 40
07459bb6 41#ifdef HAVE_SYSV_COMPAT
09cd1ab1
LP		 42typedef enum RunlevelType {
43 RUNLEVEL_UP,
44 RUNLEVEL_DOWN,
fc5df99e 45 RUNLEVEL_SYSINIT
09cd1ab1
LP		 46} RunlevelType;
47
48static const struct {
49 const char *path;
50 const char *target;
51 const RunlevelType type;
52} rcnd_table[] = {
9d25f5ed 53 /* Standard SysV runlevels for start-up */
514f4ef5 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 },
fbe9f3a9 59
d4054675 60#ifdef TARGET_SUSE
cfe243e3 61 /* SUSE style boot.d */
fc5df99e 62 { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
d4054675 63#endif
fbe9f3a9 64
d4054675 65#ifdef TARGET_DEBIAN
fbe9f3a9 66 /* Debian style rcS.d */
fc5df99e 67 { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
d4054675 68#endif
9d25f5ed
LP		 69
70 /* Standard SysV runlevels for shutdown */
71 { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
72 { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }
73
74 /* Note that the order here matters, as we read the
75 directories in this order, and we want to make sure that
76 sysv_start_priority is known when we first load the
77 unit. And that value we only know from S links. Hence
78 UP/SYSINIT must be read before DOWN */
23a177ef
LP		 79};
80
09cd1ab1 81#define RUNLEVELS_UP "12345"
fbe9f3a9
LP		 82/* #define RUNLEVELS_DOWN "06" */
83/* #define RUNLEVELS_BOOT "bBsS" */
07459bb6 84#endif
09cd1ab1 85
acbb0225 86static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
87f0e418
LP		 87 [SERVICE_DEAD] = UNIT_INACTIVE,
88 [SERVICE_START_PRE] = UNIT_ACTIVATING,
89 [SERVICE_START] = UNIT_ACTIVATING,
90 [SERVICE_START_POST] = UNIT_ACTIVATING,
91 [SERVICE_RUNNING] = UNIT_ACTIVE,
80876c20 92 [SERVICE_EXITED] = UNIT_ACTIVE,
032ff4af 93 [SERVICE_RELOAD] = UNIT_RELOADING,
87f0e418
LP		 94 [SERVICE_STOP] = UNIT_DEACTIVATING,
95 [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
96 [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
97 [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
98 [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
99 [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
fdf20a31 100 [SERVICE_FAILED] = UNIT_FAILED,
6124958c 101 [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
034c6ed7 102};
5cb5a6ff 103
a16e1123
LP		 104static void service_init(Unit *u) {
105 Service *s = SERVICE(u);
106
107 assert(u);
108 assert(u->meta.load_state == UNIT_STUB);
109
110 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
111 s->restart_usec = DEFAULT_RESTART_USEC;
112 s->timer_watch.type = WATCH_INVALID;
07459bb6 113#ifdef HAVE_SYSV_COMPAT
a16e1123 114 s->sysv_start_priority = -1;
07459bb6 115#endif
a16e1123
LP		 116 s->socket_fd = -1;
117
118 exec_context_init(&s->exec_context);
119
120 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
121
122 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
123}
124
5e94833f
LP		 125static void service_unwatch_control_pid(Service *s) {
126 assert(s);
127
128 if (s->control_pid <= 0)
129 return;
130
131 unit_unwatch_pid(UNIT(s), s->control_pid);
132 s->control_pid = 0;
133}
134
135static void service_unwatch_main_pid(Service *s) {
136 assert(s);
137
138 if (s->main_pid <= 0)
139 return;
140
141 unit_unwatch_pid(UNIT(s), s->main_pid);
142 s->main_pid = 0;
143}
144
5925dd3c 145static int service_set_main_pid(Service *s, pid_t pid) {
e55224ca
LP		 146 pid_t ppid;
147
5925dd3c
LP		 148 assert(s);
149
150 if (pid <= 1)
151 return -EINVAL;
152
153 if (pid == getpid())
154 return -EINVAL;
155
e55224ca
LP		 156 if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
157 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
158 s->meta.id, (unsigned long) pid);
159
5925dd3c
LP		 160 s->main_pid = pid;
161 s->main_pid_known = true;
162
b58b4116
LP		 163 exec_status_start(&s->main_exec_status, pid);
164
5925dd3c
LP		 165 return 0;
166}
167
4f2d528d
LP		 168static void service_close_socket_fd(Service *s) {
169 assert(s);
170
171 if (s->socket_fd < 0)
172 return;
173
174 close_nointr_nofail(s->socket_fd);
175 s->socket_fd = -1;
176}
177
6cf6bbc2
LP		 178static void service_connection_unref(Service *s) {
179 assert(s);
180
181 if (!s->socket)
182 return;
183
184 socket_connection_unref(s->socket);
185 s->socket = NULL;
186}
187
87f0e418
LP		 188static void service_done(Unit *u) {
189 Service *s = SERVICE(u);
44d8db9e
LP		 190
191 assert(s);
192
193 free(s->pid_file);
194 s->pid_file = NULL;
195
07459bb6 196#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 197 free(s->sysv_path);
198 s->sysv_path = NULL;
199
8309400a
LP		 200 free(s->sysv_runlevels);
201 s->sysv_runlevels = NULL;
07459bb6 202#endif
8309400a 203
8c47c732
LP		 204 free(s->status_text);
205 s->status_text = NULL;
206
44d8db9e 207 exec_context_done(&s->exec_context);
e537352b 208 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e
LP		 209 s->control_command = NULL;
210
211 /* This will leak a process, but at least no memory or any of
212 * our resources */
5e94833f
LP		 213 service_unwatch_main_pid(s);
214 service_unwatch_control_pid(s);
44d8db9e 215
05e343b7
LP		 216 if (s->bus_name) {
217 unit_unwatch_bus_name(UNIT(u), s->bus_name);
218 free(s->bus_name);
219 s->bus_name = NULL;
220 }
221
4f2d528d 222 service_close_socket_fd(s);
6cf6bbc2 223 service_connection_unref(s);
4f2d528d 224
acbb0225 225 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 226}
227
07459bb6 228#ifdef HAVE_SYSV_COMPAT
b7ccee3c
LP		 229static char *sysv_translate_name(const char *name) {
230 char *r;
231
232 if (!(r = new(char, strlen(name) + sizeof(".service"))))
233 return NULL;
234
235 if (startswith(name, "boot."))
236 /* Drop SuSE-style boot. prefix */
237 strcpy(stpcpy(r, name + 5), ".service");
238 else if (endswith(name, ".sh"))
239 /* Drop Debian-style .sh suffix */
240 strcpy(stpcpy(r, name) - 3, ".service");
980900c1 241#ifdef TARGET_ARCH
9f151f29
LP		 242 else if (startswith(name, "@"))
243 /* Drop Arch-style background prefix */
244 strcpy(stpcpy(r, name + 1), ".service");
980900c1 245#endif
b7ccee3c
LP		 246 else
247 /* Normal init scripts */
248 strcpy(stpcpy(r, name), ".service");
249
250 return r;
251}
252
253static int sysv_translate_facility(const char *name, char **_r) {
2c4104f0 254
a7d3cc26
LP		 255 /* We silently ignore the $ prefix here. According to the LSB
256 * spec it simply indicates whether something is a
257 * standardized name or a distribution-specific one. Since we
258 * just follow what already exists and do not introduce new
259 * uses or names we don't care who introduced a new name. */
260
2c4104f0 261 static const char * const table[] = {
6464aa08 262 /* LSB defined facilities */
a7d3cc26
LP		 263 "local_fs", SPECIAL_LOCAL_FS_TARGET,
264 "network", SPECIAL_NETWORK_TARGET,
265 "named", SPECIAL_NSS_LOOKUP_TARGET,
266 "portmap", SPECIAL_RPCBIND_TARGET,
267 "remote_fs", SPECIAL_REMOTE_FS_TARGET,
268 "syslog", SPECIAL_SYSLOG_TARGET,
269 "time", SPECIAL_RTC_SET_TARGET,
6464aa08
LP		 270
271 /* Debian extensions */
3177a49c 272#ifdef TARGET_DEBIAN
a7d3cc26 273 "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
3177a49c 274#endif
a7d3cc26
LP		 275 "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
276 "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
3177a49c
LP		 277
278#ifdef TARGET_FEDORA
a7d3cc26
LP		 279 /* Fedora extensions */
280 "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
281 "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
282 "httpd", SPECIAL_HTTP_DAEMON_TARGET,
3177a49c 283#endif
a7d3cc26
LP		 284
285 /* SuSE extensions */
286 "null", NULL
287
2c4104f0
LP		 288 };
289
290 unsigned i;
291 char *r;
292
293 for (i = 0; i < ELEMENTSOF(table); i += 2)
a7d3cc26
LP		 294
295 if (streq(table[i], name) ||
296 (*name == '$' && streq(table[i], name+1))) {
297
298 if (!table[i+1])
299 return 0;
300
2c4104f0
LP		 301 if (!(r = strdup(table[i+1])))
302 return -ENOMEM;
303
304 goto finish;
305 }
306
a7d3cc26
LP		 307 /* If we don't know this name, fallback heuristics to figure
308 * out whether something is a target or an service alias. */
309
2c4104f0 310 if (*name == '$')
32159d3a
LP		 311 r = unit_name_build(name+1, NULL, ".target");
312 else
313 r = sysv_translate_name(name);
2c4104f0 314
32159d3a 315 if (!r)
2c4104f0
LP		 316 return -ENOMEM;
317
318finish:
319
320 if (_r)
321 *_r = r;
322
323 return 1;
324}
325
56d748b4 326static int sysv_fix_order(Service *s) {
2c4104f0
LP		 327 Meta *other;
328 int r;
329
330 assert(s);
331
332 if (s->sysv_start_priority < 0)
333 return 0;
334
23a177ef
LP		 335 /* For each pair of services where at least one lacks a LSB
336 * header, we use the start priority value to order things. */
2c4104f0 337
4cd1fbcc 338 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
2c4104f0
LP		 339 Service *t;
340 UnitDependency d;
eeaafddc 341 bool special_s, special_t;
2c4104f0
LP		 342
343 t = (Service*) other;
344
345 if (s == t)
346 continue;
9f151f29
LP		 347
348 if (t->meta.load_state != UNIT_LOADED)
349 continue;
2c4104f0
LP		 350
351 if (t->sysv_start_priority < 0)
352 continue;
353
51a1a79d
LP		 354 /* If both units have modern headers we don't care
355 * about the priorities */
f21781d5
LP		 356 if ((s->meta.fragment_path || s->sysv_has_lsb) &&
357 (t->meta.fragment_path || t->sysv_has_lsb))
23a177ef
LP		 358 continue;
359
eeaafddc
LP		 360 special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
361 special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
362
363 if (special_t && !special_s)
364 d = UNIT_AFTER;
365 else if (special_s && !special_t)
366 d = UNIT_BEFORE;
367 else if (t->sysv_start_priority < s->sysv_start_priority)
2c4104f0
LP		 368 d = UNIT_AFTER;
369 else if (t->sysv_start_priority > s->sysv_start_priority)
370 d = UNIT_BEFORE;
371 else
372 continue;
373
374 /* FIXME: Maybe we should compare the name here lexicographically? */
375
701cc384 376 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
2c4104f0
LP		 377 return r;
378 }
379
380 return 0;
381}
382
383static ExecCommand *exec_command_new(const char *path, const char *arg1) {
384 ExecCommand *c;
385
386 if (!(c = new0(ExecCommand, 1)))
387 return NULL;
388
389 if (!(c->path = strdup(path))) {
390 free(c);
391 return NULL;
392 }
393
394 if (!(c->argv = strv_new(path, arg1, NULL))) {
395 free(c->path);
396 free(c);
397 return NULL;
398 }
399
400 return c;
401}
402
403static int sysv_exec_commands(Service *s) {
404 ExecCommand *c;
405
406 assert(s);
407 assert(s->sysv_path);
408
409 if (!(c = exec_command_new(s->sysv_path, "start")))
410 return -ENOMEM;
411 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
412
413 if (!(c = exec_command_new(s->sysv_path, "stop")))
414 return -ENOMEM;
415 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
416
417 if (!(c = exec_command_new(s->sysv_path, "reload")))
418 return -ENOMEM;
419 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
420
421 return 0;
422}
423
e537352b 424static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 425 FILE *f;
426 Unit *u;
427 unsigned line = 0;
428 int r;
429 enum {
430 NORMAL,
431 DESCRIPTION,
432 LSB,
433 LSB_DESCRIPTION
434 } state = NORMAL;
23a177ef
LP		 435
436 assert(s);
437 assert(path);
2c4104f0
LP		 438
439 u = UNIT(s);
440
441 if (!(f = fopen(path, "re"))) {
442 r = errno == ENOENT ? 0 : -errno;
443 goto finish;
444 }
445
2c4104f0
LP		 446 free(s->sysv_path);
447 if (!(s->sysv_path = strdup(path))) {
448 r = -ENOMEM;
449 goto finish;
450 }
451
452 while (!feof(f)) {
453 char l[LINE_MAX], *t;
454
455 if (!fgets(l, sizeof(l), f)) {
456 if (feof(f))
457 break;
458
459 r = -errno;
460 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
461 goto finish;
462 }
463
464 line++;
465
466 t = strstrip(l);
467 if (*t != '#')
468 continue;
469
470 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
471 state = LSB;
23a177ef 472 s->sysv_has_lsb = true;
2c4104f0
LP		 473 continue;
474 }
475
476 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
477 state = NORMAL;
478 continue;
479 }
480
481 t++;
482 t += strspn(t, WHITESPACE);
483
484 if (state == NORMAL) {
485
486 /* Try to parse Red Hat style chkconfig headers */
487
c2b35af6 488 if (startswith_no_case(t, "chkconfig:")) {
2c4104f0 489 int start_priority;
8309400a 490 char runlevels[16], *k;
2c4104f0
LP		 491
492 state = NORMAL;
493
8309400a
LP		 494 if (sscanf(t+10, "%15s %i %*i",
495 runlevels,
496 &start_priority) != 2) {
2c4104f0
LP		 497
498 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
499 continue;
500 }
501
fbe9f3a9
LP		 502 /* A start priority gathered from the
503 * symlink farms is preferred over the
504 * data from the LSB header. */
8309400a 505 if (start_priority < 0 || start_priority > 99)
2c4104f0 506 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
db06e3b6 507 else if (s->sysv_start_priority < 0)
8309400a
LP		 508 s->sysv_start_priority = start_priority;
509
510 char_array_0(runlevels);
511 k = delete_chars(runlevels, WHITESPACE "-");
512
513 if (k[0]) {
514 char *d;
515
516 if (!(d = strdup(k))) {
517 r = -ENOMEM;
518 goto finish;
519 }
520
521 free(s->sysv_runlevels);
522 s->sysv_runlevels = d;
2c4104f0
LP		 523 }
524
ed4c1cc6
LP		 525 } else if (startswith_no_case(t, "description:") &&
526 !u->meta.description) {
2c4104f0
LP		 527
528 size_t k = strlen(t);
529 char *d;
530
531 if (t[k-1] == '\\') {
532 state = DESCRIPTION;
533 t[k-1] = 0;
534 }
535
46948365 536 if (!(d = strappend("LSB: ", strstrip(t+12)))) {
2c4104f0
LP		 537 r = -ENOMEM;
538 goto finish;
539 }
540
541 free(u->meta.description);
542 u->meta.description = d;
543
c2b35af6 544 } else if (startswith_no_case(t, "pidfile:")) {
2c4104f0
LP		 545
546 char *fn;
547
548 state = NORMAL;
549
550 fn = strstrip(t+8);
551 if (!path_is_absolute(fn)) {
552 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
553 continue;
554 }
555
556 if (!(fn = strdup(fn))) {
557 r = -ENOMEM;
558 goto finish;
559 }
560
561 free(s->pid_file);
562 s->pid_file = fn;
563 }
564
565 } else if (state == DESCRIPTION) {
566
567 /* Try to parse Red Hat style description
568 * continuation */
569
570 size_t k = strlen(t);
571 char *d;
572
573 if (t[k-1] == '\\')
574 t[k-1] = 0;
575 else
576 state = NORMAL;
577
578 assert(u->meta.description);
579 if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
580 r = -ENOMEM;
581 goto finish;
582 }
583
584 free(u->meta.description);
585 u->meta.description = d;
586
587 } else if (state == LSB || state == LSB_DESCRIPTION) {
588
c2b35af6 589 if (startswith_no_case(t, "Provides:")) {
2c4104f0
LP		 590 char *i, *w;
591 size_t z;
592
593 state = LSB;
594
f60f22df 595 FOREACH_WORD_QUOTED(w, z, t+9, i) {
2c4104f0
LP		 596 char *n, *m;
597
598 if (!(n = strndup(w, z))) {
599 r = -ENOMEM;
600 goto finish;
601 }
602
caca31b5
LP		 603 if (streq(n, file_name_from_path(path))) {
604 free(n);
605 continue;
606 }
607
b7ccee3c 608 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 609 free(n);
610
611 if (r < 0)
612 goto finish;
613
614 if (r == 0)
615 continue;
616
bd77d0fc
LP		 617 if (unit_name_to_type(m) == UNIT_SERVICE)
618 r = unit_add_name(u, m);
c68364b7
LP		 619 else {
620 r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true);
621
622 if (s->sysv_enabled) {
623 int k;
624
625 if ((k = unit_add_dependency_by_name_inverse(u, UNIT_WANTS, m, NULL, true)) < 0)
626 r = k;
627 }
628 }
bd77d0fc 629
2c4104f0 630 if (r < 0)
43a37549 631 log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 632
633 free(m);
2c4104f0
LP		 634 }
635
c2b35af6
LP		 636 } else if (startswith_no_case(t, "Required-Start:") ||
637 startswith_no_case(t, "Should-Start:") ||
638 startswith_no_case(t, "X-Start-Before:") ||
639 startswith_no_case(t, "X-Start-After:")) {
2c4104f0
LP		 640 char *i, *w;
641 size_t z;
642
643 state = LSB;
644
f60f22df 645 FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) {
2c4104f0
LP		 646 char *n, *m;
647
648 if (!(n = strndup(w, z))) {
649 r = -ENOMEM;
650 goto finish;
651 }
652
caca31b5
LP		 653 if (streq(n, file_name_from_path(path))) {
654 free(n);
655 continue;
656 }
657
b7ccee3c 658 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 659 free(n);
660
661 if (r < 0)
662 goto finish;
663
664 if (r == 0)
665 continue;
666
c2b35af6 667 r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
2c4104f0
LP		 668
669 if (r < 0)
43a37549 670 log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 671
672 free(m);
2c4104f0 673 }
c2b35af6 674 } else if (startswith_no_case(t, "Default-Start:")) {
8309400a
LP		 675 char *k, *d;
676
677 state = LSB;
678
679 k = delete_chars(t+14, WHITESPACE "-");
680
681 if (k[0] != 0) {
682 if (!(d = strdup(k))) {
683 r = -ENOMEM;
684 goto finish;
685 }
686
687 free(s->sysv_runlevels);
688 s->sysv_runlevels = d;
689 }
2c4104f0 690
ed4c1cc6
LP		 691 } else if (startswith_no_case(t, "Description:") &&
692 !u->meta.description) {
2c4104f0
LP		 693 char *d;
694
ed4c1cc6
LP		 695 /* We use the long description only if
696 * no short description is set. */
697
2c4104f0
LP		 698 state = LSB_DESCRIPTION;
699
46948365 700 if (!(d = strappend("LSB: ", strstrip(t+12)))) {
2c4104f0
LP		 701 r = -ENOMEM;
702 goto finish;
703 }
704
705 free(u->meta.description);
706 u->meta.description = d;
707
ed4c1cc6 708 } else if (startswith_no_case(t, "Short-Description:")) {
2c4104f0
LP		 709 char *d;
710
2c4104f0
LP		 711 state = LSB;
712
46948365 713 if (!(d = strappend("LSB: ", strstrip(t+18)))) {
2c4104f0
LP		 714 r = -ENOMEM;
715 goto finish;
716 }
717
7740296d 718 free(u->meta.description);
2c4104f0
LP		 719 u->meta.description = d;
720
723c83fd
LP		 721 } else if (startswith_no_case(t, "X-Interactive:")) {
722 int b;
723
724 if ((b = parse_boolean(strstrip(t+14))) < 0) {
725 log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
726 continue;
727 }
728
729 if (b)
730 s->exec_context.std_input = EXEC_INPUT_TTY;
731 else
732 s->exec_context.std_input = EXEC_INPUT_NULL;
733
2c4104f0
LP		 734 } else if (state == LSB_DESCRIPTION) {
735
736 if (startswith(l, "#\t") || startswith(l, "# ")) {
737 char *d;
738
739 assert(u->meta.description);
740 if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
741 r = -ENOMEM;
742 goto finish;
743 }
744
745 free(u->meta.description);
746 u->meta.description = d;
747 } else
748 state = LSB;
749 }
750 }
751 }
752
2c4104f0
LP		 753 if ((r = sysv_exec_commands(s)) < 0)
754 goto finish;
755
a40eb732 756 if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
0bc824be
LP		 757 /* If there a runlevels configured for this service
758 * but none of the standard ones, then we assume this
759 * is some special kind of service (which might be
760 * needed for early boot) and don't create any links
761 * to it. */
762
a40eb732 763 s->meta.default_dependencies = false;
09cd1ab1 764
09cd1ab1
LP		 765 /* Don't timeout special services during boot (like fsck) */
766 s->timeout_usec = 0;
a40eb732 767 }
0fd030be 768
80876c20 769 /* Special setting for all SysV services */
1f48cf56 770 s->type = SERVICE_FORKING;
02ee865a 771 s->remain_after_exit = true;
1f48cf56 772 s->restart = SERVICE_ONCE;
8a2b3c09
LP		 773 s->exec_context.std_output =
774 (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY)
775 ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL;
2e22afe9 776 s->exec_context.kill_mode = KILL_PROCESS_GROUP;
80876c20 777
e537352b 778 u->meta.load_state = UNIT_LOADED;
23a177ef 779 r = 0;
2c4104f0
LP		 780
781finish:
782
783 if (f)
784 fclose(f);
785
786 return r;
787}
788
e537352b 789static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 790 char **p;
791
792 assert(s);
793 assert(name);
794
d017c6ca
LP		 795 /* For SysV services we strip the boot. or .sh
796 * prefixes/suffixes. */
797 if (startswith(name, "boot.") ||
798 endswith(name, ".sh.service"))
799 return -ENOENT;
800
4cd1fbcc 801 STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
2c4104f0
LP		 802 char *path;
803 int r;
804
805 if (asprintf(&path, "%s/%s", *p, name) < 0)
806 return -ENOMEM;
807
808 assert(endswith(path, ".service"));
809 path[strlen(path)-8] = 0;
810
e537352b 811 r = service_load_sysv_path(s, path);
fbe9f3a9 812
4cd1fbcc 813 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
d017c6ca 814 /* Try Debian style xxx.sh source'able init scripts */
fbe9f3a9
LP		 815 strcat(path, ".sh");
816 r = service_load_sysv_path(s, path);
817 }
818
2c4104f0
LP		 819 free(path);
820
4cd1fbcc 821 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
cfe243e3 822 /* Try SUSE style boot.xxx init scripts */
fbe9f3a9
LP		 823
824 if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
825 return -ENOMEM;
826
827 path[strlen(path)-8] = 0;
828 r = service_load_sysv_path(s, path);
829 free(path);
830 }
831
23a177ef 832 if (r < 0)
2c4104f0 833 return r;
23a177ef 834
4cd1fbcc 835 if ((s->meta.load_state != UNIT_STUB))
23a177ef 836 break;
2c4104f0
LP		 837 }
838
839 return 0;
840}
841
e537352b 842static int service_load_sysv(Service *s) {
2c4104f0
LP		 843 const char *t;
844 Iterator i;
845 int r;
846
5cb5a6ff
LP		 847 assert(s);
848
849 /* Load service data from SysV init scripts, preferably with
850 * LSB headers ... */
851
4cd1fbcc 852 if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path))
2c4104f0
LP		 853 return 0;
854
4cd1fbcc 855 if ((t = s->meta.id))
e537352b 856 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 857 return r;
858
4cd1fbcc
LP		 859 if (s->meta.load_state == UNIT_STUB)
860 SET_FOREACH(t, s->meta.names, i) {
861 if (t == s->meta.id)
e537352b
LP		 862 continue;
863
e364ad06 864 if ((r = service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 865 return r;
866
4cd1fbcc 867 if (s->meta.load_state != UNIT_STUB)
23a177ef
LP		 868 break;
869 }
2c4104f0
LP		 870
871 return 0;
5cb5a6ff 872}
07459bb6 873#endif
5cb5a6ff 874
243b1432
LP		 875static int service_verify(Service *s) {
876 assert(s);
877
4cd1fbcc 878 if (s->meta.load_state != UNIT_LOADED)
243b1432
LP		 879 return 0;
880
881 if (!s->exec_command[SERVICE_EXEC_START]) {
4cd1fbcc 882 log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
243b1432
LP		 883 return -EINVAL;
884 }
885
34e9ba66
LP		 886 if (s->type != SERVICE_ONESHOT &&
887 s->exec_command[SERVICE_EXEC_START]->command_next) {
888 log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
6cf6bbc2
LP		 889 return -EINVAL;
890 }
891
05e343b7 892 if (s->type == SERVICE_DBUS && !s->bus_name) {
4d0e5dbd
LP		 893 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
894 return -EINVAL;
895 }
896
2e22afe9 897 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd 898 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
05e343b7
LP		 899 return -EINVAL;
900 }
901
243b1432
LP		 902 return 0;
903}
904
a40eb732
LP		 905static int service_add_default_dependencies(Service *s) {
906 int r;
907
908 assert(s);
909
910 /* Add a number of automatic dependencies useful for the
911 * majority of services. */
912
913 /* First, pull in base system */
914 if (s->meta.manager->running_as == MANAGER_SYSTEM) {
915
916 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
917 return r;
918
919 } else if (s->meta.manager->running_as == MANAGER_SESSION) {
920
921 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
922 return r;
923 }
924
925 /* Second, activate normal shutdown */
69dd2852 926 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 927}
928
e537352b
LP		 929static int service_load(Unit *u) {
930 int r;
931 Service *s = SERVICE(u);
932
933 assert(s);
1e2e8133 934
5cb5a6ff 935 /* Load a .service file */
e537352b 936 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 937 return r;
938
07459bb6 939#ifdef HAVE_SYSV_COMPAT
bd77d0fc 940 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 941 if (u->meta.load_state == UNIT_STUB)
942 if ((r = service_load_sysv(s)) < 0)
23a177ef 943 return r;
07459bb6 944#endif
d46de8a1 945
23a177ef 946 /* Still nothing found? Then let's give up */
e537352b 947 if (u->meta.load_state == UNIT_STUB)
23a177ef 948 return -ENOENT;
034c6ed7 949
23a177ef
LP		 950 /* We were able to load something, then let's add in the
951 * dropin directories. */
952 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 953 return r;
23a177ef
LP		 954
955 /* This is a new unit? Then let's add in some extras */
e537352b 956 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 957 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
958 return r;
959
960 if ((r = unit_add_default_cgroup(u)) < 0)
961 return r;
962
07459bb6 963#ifdef HAVE_SYSV_COMPAT
56d748b4 964 if ((r = sysv_fix_order(s)) < 0)
23a177ef 965 return r;
07459bb6 966#endif
05e343b7 967
ee0dd802 968 if (s->bus_name)
05e343b7 969 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
a40eb732 970 return r;
c952c6ec
LP		 971
972 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
973 s->notify_access = NOTIFY_MAIN;
a40eb732
LP		 974
975 if (s->type == SERVICE_DBUS || s->bus_name)
976 if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0)
977 return r;
978
979 if (s->meta.default_dependencies)
980 if ((r = service_add_default_dependencies(s)) < 0)
981 return r;
8e274523
LP		 982 }
983
243b1432 984 return service_verify(s);
034c6ed7
LP		 985}
986
87f0e418 987static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 988
5cb5a6ff 989 ServiceExecCommand c;
87f0e418 990 Service *s = SERVICE(u);
47be870b
LP		 991 const char *prefix2;
992 char *p2;
5cb5a6ff
LP		 993
994 assert(s);
995
47be870b
LP		 996 p2 = strappend(prefix, "\t");
997 prefix2 = p2 ? p2 : prefix;
44d8db9e 998
5cb5a6ff 999 fprintf(f,
81a2b7ce
LP		 1000 "%sService State: %s\n"
1001 "%sPermissionsStartOnly: %s\n"
8e274523 1002 "%sRootDirectoryStartOnly: %s\n"
02ee865a 1003 "%sRemainAfterExit: %s\n"
c952c6ec 1004 "%sType: %s\n"
2cf3143a 1005 "%sRestart: %s\n"
c952c6ec 1006 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 1007 prefix, service_state_to_string(s->state),
1008 prefix, yes_no(s->permissions_start_only),
8e274523 1009 prefix, yes_no(s->root_directory_start_only),
02ee865a 1010 prefix, yes_no(s->remain_after_exit),
c952c6ec 1011 prefix, service_type_to_string(s->type),
2cf3143a 1012 prefix, service_restart_to_string(s->restart),
c952c6ec 1013 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 1014
70123e68
LP		 1015 if (s->control_pid > 0)
1016 fprintf(f,
bb00e604
LP		 1017 "%sControl PID: %lu\n",
1018 prefix, (unsigned long) s->control_pid);
70123e68
LP		 1019
1020 if (s->main_pid > 0)
1021 fprintf(f,
bb00e604
LP		 1022 "%sMain PID: %lu\n",
1023 prefix, (unsigned long) s->main_pid);
70123e68 1024
034c6ed7
LP		 1025 if (s->pid_file)
1026 fprintf(f,
1027 "%sPIDFile: %s\n",
1028 prefix, s->pid_file);
1029
05e343b7
LP		 1030 if (s->bus_name)
1031 fprintf(f,
1032 "%sBusName: %s\n"
1033 "%sBus Name Good: %s\n",
1034 prefix, s->bus_name,
1035 prefix, yes_no(s->bus_name_good));
1036
5cb5a6ff
LP		 1037 exec_context_dump(&s->exec_context, f, prefix);
1038
e537352b 1039 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 1040
44d8db9e
LP		 1041 if (!s->exec_command[c])
1042 continue;
1043
40d50879 1044 fprintf(f, "%s-> %s:\n",
94f04347 1045 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 1046
1047 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 1048 }
44d8db9e 1049
07459bb6 1050#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 1051 if (s->sysv_path)
1052 fprintf(f,
23a177ef
LP		 1053 "%sSysV Init Script Path: %s\n"
1054 "%sSysV Init Script has LSB Header: %s\n",
1055 prefix, s->sysv_path,
1056 prefix, yes_no(s->sysv_has_lsb));
2c4104f0
LP		 1057
1058 if (s->sysv_start_priority >= 0)
1059 fprintf(f,
5de6b302
LP		 1060 "%sSysVStartPriority: %i\n"
1061 "%sSysVEnabled: %s\n",
1062 prefix, s->sysv_start_priority,
1063 prefix, yes_no(s->sysv_enabled));
2c4104f0 1064
8309400a
LP		 1065 if (s->sysv_runlevels)
1066 fprintf(f, "%sSysVRunLevels: %s\n",
1067 prefix, s->sysv_runlevels);
07459bb6 1068#endif
23a177ef 1069
8c47c732
LP		 1070 if (s->status_text)
1071 fprintf(f, "%sStatus Text: %s\n",
1072 prefix, s->status_text);
1073
47be870b 1074 free(p2);
5cb5a6ff
LP		 1075}
1076
034c6ed7
LP		 1077static int service_load_pid_file(Service *s) {
1078 char *k;
034c6ed7 1079 int r;
5925dd3c 1080 pid_t pid;
034c6ed7
LP		 1081
1082 assert(s);
1083
1084 if (s->main_pid_known)
1085 return 0;
1086
5e94833f
LP		 1087 assert(s->main_pid <= 0);
1088
034c6ed7
LP		 1089 if (!s->pid_file)
1090 return -ENOENT;
1091
1092 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
1093 return r;
1094
5925dd3c
LP		 1095 r = parse_pid(k, &pid);
1096 free(k);
034c6ed7 1097
5925dd3c
LP		 1098 if (r < 0)
1099 return r;
406eaf93 1100
5925dd3c
LP		 1101 if (kill(pid, 0) < 0 && errno != EPERM) {
1102 log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
1103 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 1104 return -ESRCH;
1105 }
1106
5925dd3c 1107 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 1108 return r;
1109
5925dd3c
LP		 1110 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1111 /* FIXME: we need to do something here */
1112 return r;
034c6ed7
LP		 1113
1114 return 0;
1115}
1116
3e33402a
LP		 1117static int service_get_sockets(Service *s, Set **_set) {
1118 Set *set;
ceee3d82
LP		 1119 Iterator i;
1120 char *t;
3e33402a 1121 int r;
ceee3d82
LP		 1122
1123 assert(s);
3e33402a
LP		 1124 assert(_set);
1125
6cf6bbc2
LP		 1126 if (s->socket_fd >= 0)
1127 return 0;
1128
3e33402a
LP		 1129 /* Collects all Socket objects that belong to this
1130 * service. Note that a service might have multiple sockets
1131 * via multiple names. */
1132
1133 if (!(set = set_new(NULL, NULL)))
1134 return -ENOMEM;
ceee3d82 1135
4cd1fbcc 1136 SET_FOREACH(t, s->meta.names, i) {
ceee3d82
LP		 1137 char *k;
1138 Unit *p;
1139
1140 /* Look for all socket objects that go by any of our
1141 * units and collect their fds */
1142
3e33402a
LP		 1143 if (!(k = unit_name_change_suffix(t, ".socket"))) {
1144 r = -ENOMEM;
1145 goto fail;
1146 }
ceee3d82 1147
4cd1fbcc 1148 p = manager_get_unit(s->meta.manager, k);
ceee3d82
LP		 1149 free(k);
1150
8d567588
LP		 1151 if (!p)
1152 continue;
ceee3d82 1153
3e33402a
LP		 1154 if ((r = set_put(set, p)) < 0)
1155 goto fail;
ceee3d82
LP		 1156 }
1157
3e33402a
LP		 1158 *_set = set;
1159 return 0;
1160
1161fail:
1162 set_free(set);
1163 return r;
1164}
1165
e537352b 1166static int service_notify_sockets_dead(Service *s) {
3e33402a
LP		 1167 Iterator i;
1168 Set *set;
47be870b 1169 Socket *sock;
3e33402a
LP		 1170 int r;
1171
1172 assert(s);
1173
6cf6bbc2
LP		 1174 if (s->socket_fd >= 0)
1175 return 0;
1176
3e33402a 1177 /* Notifies all our sockets when we die */
3e33402a
LP		 1178 if ((r = service_get_sockets(s, &set)) < 0)
1179 return r;
1180
47be870b
LP		 1181 SET_FOREACH(sock, set, i)
1182 socket_notify_service_dead(sock);
3e33402a
LP		 1183
1184 set_free(set);
1185
ceee3d82
LP		 1186 return 0;
1187}
1188
034c6ed7
LP		 1189static void service_set_state(Service *s, ServiceState state) {
1190 ServiceState old_state;
5cb5a6ff
LP		 1191 assert(s);
1192
034c6ed7 1193 old_state = s->state;
5cb5a6ff 1194 s->state = state;
034c6ed7
LP		 1195
1196 if (state != SERVICE_START_PRE &&
1197 state != SERVICE_START &&
1198 state != SERVICE_START_POST &&
1199 state != SERVICE_RELOAD &&
1200 state != SERVICE_STOP &&
1201 state != SERVICE_STOP_SIGTERM &&
1202 state != SERVICE_STOP_SIGKILL &&
1203 state != SERVICE_STOP_POST &&
1204 state != SERVICE_FINAL_SIGTERM &&
1205 state != SERVICE_FINAL_SIGKILL &&
1206 state != SERVICE_AUTO_RESTART)
acbb0225 1207 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1208
7d55e835
LP		 1209 if (state != SERVICE_START &&
1210 state != SERVICE_START_POST &&
034c6ed7
LP		 1211 state != SERVICE_RUNNING &&
1212 state != SERVICE_RELOAD &&
1213 state != SERVICE_STOP &&
1214 state != SERVICE_STOP_SIGTERM &&
1215 state != SERVICE_STOP_SIGKILL)
5e94833f 1216 service_unwatch_main_pid(s);
034c6ed7
LP		 1217
1218 if (state != SERVICE_START_PRE &&
1219 state != SERVICE_START &&
1220 state != SERVICE_START_POST &&
1221 state != SERVICE_RELOAD &&
1222 state != SERVICE_STOP &&
1223 state != SERVICE_STOP_SIGTERM &&
1224 state != SERVICE_STOP_SIGKILL &&
1225 state != SERVICE_STOP_POST &&
1226 state != SERVICE_FINAL_SIGTERM &&
e537352b 1227 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1228 service_unwatch_control_pid(s);
034c6ed7 1229 s->control_command = NULL;
a16e1123 1230 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1231 }
034c6ed7 1232
ceee3d82
LP		 1233 if (state == SERVICE_DEAD ||
1234 state == SERVICE_STOP ||
1235 state == SERVICE_STOP_SIGTERM ||
1236 state == SERVICE_STOP_SIGKILL ||
1237 state == SERVICE_STOP_POST ||
1238 state == SERVICE_FINAL_SIGTERM ||
1239 state == SERVICE_FINAL_SIGKILL ||
fdf20a31 1240 state == SERVICE_FAILED ||
ceee3d82 1241 state == SERVICE_AUTO_RESTART)
e537352b 1242 service_notify_sockets_dead(s);
ceee3d82 1243
4f2d528d
LP		 1244 if (state != SERVICE_START_PRE &&
1245 state != SERVICE_START &&
6cf6bbc2
LP		 1246 state != SERVICE_START_POST &&
1247 state != SERVICE_RUNNING &&
1248 state != SERVICE_RELOAD &&
1249 state != SERVICE_STOP &&
1250 state != SERVICE_STOP_SIGTERM &&
1251 state != SERVICE_STOP_SIGKILL &&
1252 state != SERVICE_STOP_POST &&
1253 state != SERVICE_FINAL_SIGTERM &&
1254 state != SERVICE_FINAL_SIGKILL &&
4cd1fbcc 1255 !(state == SERVICE_DEAD && s->meta.job)) {
4f2d528d 1256 service_close_socket_fd(s);
6cf6bbc2
LP		 1257 service_connection_unref(s);
1258 }
4f2d528d 1259
f6023656
LP		 1260 /* For the inactive states unit_notify() will trim the cgroup,
1261 * but for exit we have to do that ourselves... */
1262 if (state == SERVICE_EXITED)
1263 cgroup_bonding_trim_list(s->meta.cgroup_bondings, true);
1264
e537352b 1265 if (old_state != state)
4cd1fbcc 1266 log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1267
1268 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1269}
1270
a16e1123
LP		 1271static int service_coldplug(Unit *u) {
1272 Service *s = SERVICE(u);
1273 int r;
1274
1275 assert(s);
1276 assert(s->state == SERVICE_DEAD);
1277
1278 if (s->deserialized_state != s->state) {
1279
1280 if (s->deserialized_state == SERVICE_START_PRE ||
1281 s->deserialized_state == SERVICE_START ||
1282 s->deserialized_state == SERVICE_START_POST ||
1283 s->deserialized_state == SERVICE_RELOAD ||
1284 s->deserialized_state == SERVICE_STOP ||
1285 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1286 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1287 s->deserialized_state == SERVICE_STOP_POST ||
1288 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1289 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1290 s->deserialized_state == SERVICE_AUTO_RESTART) {
1291
1292 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1293 usec_t k;
1294
1295 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1296
1297 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1298 return r;
1299 }
1300 }
a16e1123
LP		 1301
1302 if ((s->deserialized_state == SERVICE_START &&
1303 (s->type == SERVICE_FORKING ||
8c47c732 1304 s->type == SERVICE_DBUS ||
34e9ba66 1305 s->type == SERVICE_ONESHOT ||
8c47c732 1306 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1307 s->deserialized_state == SERVICE_START_POST ||
1308 s->deserialized_state == SERVICE_RUNNING ||
1309 s->deserialized_state == SERVICE_RELOAD ||
1310 s->deserialized_state == SERVICE_STOP ||
1311 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1312 s->deserialized_state == SERVICE_STOP_SIGKILL)
1313 if (s->main_pid > 0)
1314 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1315 return r;
1316
1317 if (s->deserialized_state == SERVICE_START_PRE ||
1318 s->deserialized_state == SERVICE_START ||
1319 s->deserialized_state == SERVICE_START_POST ||
1320 s->deserialized_state == SERVICE_RELOAD ||
1321 s->deserialized_state == SERVICE_STOP ||
1322 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1323 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1324 s->deserialized_state == SERVICE_STOP_POST ||
1325 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1326 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1327 if (s->control_pid > 0)
1328 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1329 return r;
1330
1331 service_set_state(s, s->deserialized_state);
1332 }
1333
1334 return 0;
1335}
1336
44d8db9e
LP		 1337static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1338 Iterator i;
1339 int r;
1340 int *rfds = NULL;
1341 unsigned rn_fds = 0;
3e33402a 1342 Set *set;
47be870b 1343 Socket *sock;
44d8db9e
LP		 1344
1345 assert(s);
1346 assert(fds);
1347 assert(n_fds);
1348
6cf6bbc2
LP		 1349 if (s->socket_fd >= 0)
1350 return 0;
1351
3e33402a
LP		 1352 if ((r = service_get_sockets(s, &set)) < 0)
1353 return r;
1354
47be870b 1355 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1356 int *cfds;
1357 unsigned cn_fds;
1358
47be870b 1359 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1360 goto fail;
1361
1362 if (!cfds)
1363 continue;
1364
1365 if (!rfds) {
1366 rfds = cfds;
1367 rn_fds = cn_fds;
1368 } else {
1369 int *t;
1370
1371 if (!(t = new(int, rn_fds+cn_fds))) {
1372 free(cfds);
1373 r = -ENOMEM;
1374 goto fail;
1375 }
1376
1377 memcpy(t, rfds, rn_fds);
1378 memcpy(t+rn_fds, cfds, cn_fds);
1379 free(rfds);
1380 free(cfds);
1381
1382 rfds = t;
1383 rn_fds = rn_fds+cn_fds;
1384 }
1385 }
1386
1387 *fds = rfds;
1388 *n_fds = rn_fds;
3e33402a
LP		 1389
1390 set_free(set);
1391
44d8db9e
LP		 1392 return 0;
1393
1394fail:
3e33402a 1395 set_free(set);
44d8db9e 1396 free(rfds);
3e33402a 1397
44d8db9e
LP		 1398 return r;
1399}
1400
81a2b7ce
LP		 1401static int service_spawn(
1402 Service *s,
1403 ExecCommand *c,
1404 bool timeout,
1405 bool pass_fds,
1406 bool apply_permissions,
1407 bool apply_chroot,
1e3ad081 1408 bool apply_tty_stdin,
c952c6ec 1409 bool set_notify_socket,
81a2b7ce
LP		 1410 pid_t *_pid) {
1411
034c6ed7
LP		 1412 pid_t pid;
1413 int r;
6cf6bbc2 1414 int *fds = NULL, *fdsbuf = NULL;
2105e76a
LP		 1415 unsigned n_fds = 0, n_env = 0;
1416 char **argv = NULL, **final_env = NULL, **our_env = NULL;
034c6ed7
LP		 1417
1418 assert(s);
1419 assert(c);
1420 assert(_pid);
1421
6cf6bbc2
LP		 1422 if (pass_fds ||
1423 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1424 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1425 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1426
4f2d528d
LP		 1427 if (s->socket_fd >= 0) {
1428 fds = &s->socket_fd;
1429 n_fds = 1;
6cf6bbc2
LP		 1430 } else {
1431 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1432 goto fail;
1433
1434 fds = fdsbuf;
1435 }
4f2d528d 1436 }
44d8db9e 1437
e558336f 1438 if (timeout && s->timeout_usec) {
acbb0225 1439 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1440 goto fail;
1441 } else
acbb0225 1442 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1443
9e2f7c11
LP		 1444 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1445 r = -ENOMEM;
1446 goto fail;
1447 }
1448
2105e76a
LP		 1449 if (!(our_env = new0(char*, 3))) {
1450 r = -ENOMEM;
1451 goto fail;
1452 }
c952c6ec 1453
2105e76a
LP		 1454 if (set_notify_socket)
1455 if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
c952c6ec
LP		 1456 r = -ENOMEM;
1457 goto fail;
1458 }
1459
2105e76a
LP		 1460 if (s->main_pid > 0)
1461 if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
c952c6ec
LP		 1462 r = -ENOMEM;
1463 goto fail;
1464 }
2105e76a
LP		 1465
1466 if (!(final_env = strv_env_merge(2,
1467 s->meta.manager->environment,
1468 our_env,
1469 NULL))) {
1470 r = -ENOMEM;
1471 goto fail;
1472 }
c952c6ec 1473
9e2f7c11
LP		 1474 r = exec_spawn(c,
1475 argv,
1476 &s->exec_context,
1477 fds, n_fds,
2105e76a 1478 final_env,
9e2f7c11
LP		 1479 apply_permissions,
1480 apply_chroot,
1e3ad081 1481 apply_tty_stdin,
4cd1fbcc
LP		 1482 s->meta.manager->confirm_spawn,
1483 s->meta.cgroup_bondings,
9e2f7c11
LP		 1484 &pid);
1485
9e2f7c11 1486 if (r < 0)
034c6ed7
LP		 1487 goto fail;
1488
4f2d528d 1489
87f0e418 1490 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1491 /* FIXME: we need to do something here */
1492 goto fail;
1493
2105e76a
LP		 1494 free(fdsbuf);
1495 strv_free(argv);
1496 strv_free(our_env);
1497 strv_free(final_env);
1498
034c6ed7
LP		 1499 *_pid = pid;
1500
5cb5a6ff 1501 return 0;
034c6ed7
LP		 1502
1503fail:
2105e76a 1504 free(fdsbuf);
c952c6ec 1505 strv_free(argv);
2105e76a
LP		 1506 strv_free(our_env);
1507 strv_free(final_env);
c952c6ec 1508
034c6ed7 1509 if (timeout)
acbb0225 1510 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1511
1512 return r;
1513}
1514
80876c20
LP		 1515static int main_pid_good(Service *s) {
1516 assert(s);
1517
1518 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1519 * don't know */
1520
1521 /* If we know the pid file, then lets just check if it is
1522 * still valid */
1523 if (s->main_pid_known)
1524 return s->main_pid > 0;
1525
1526 /* We don't know the pid */
1527 return -EAGAIN;
1528}
1529
1530static int control_pid_good(Service *s) {
1531 assert(s);
1532
1533 return s->control_pid > 0;
1534}
1535
1536static int cgroup_good(Service *s) {
1537 int r;
1538
1539 assert(s);
1540
4cd1fbcc 1541 if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
80876c20
LP		 1542 return r;
1543
1544 return !r;
1545}
1546
034c6ed7
LP		 1547static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1548 int r;
1549 assert(s);
1550
1551 if (!success)
1552 s->failure = true;
1553
1554 if (allow_restart &&
47342320 1555 !s->forbid_restart &&
034c6ed7
LP		 1556 (s->restart == SERVICE_RESTART_ALWAYS ||
1557 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
1558
acbb0225 1559 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1560 goto fail;
1561
1562 service_set_state(s, SERVICE_AUTO_RESTART);
1563 } else
fdf20a31 1564 service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
034c6ed7 1565
47342320
LP		 1566 s->forbid_restart = false;
1567
034c6ed7
LP		 1568 return;
1569
1570fail:
4cd1fbcc 1571 log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1572 service_enter_dead(s, false, false);
1573}
1574
1575static void service_enter_signal(Service *s, ServiceState state, bool success);
1576
1577static void service_enter_stop_post(Service *s, bool success) {
1578 int r;
1579 assert(s);
1580
1581 if (!success)
1582 s->failure = true;
1583
5e94833f
LP		 1584 service_unwatch_control_pid(s);
1585
a16e1123 1586 s->control_command_id = SERVICE_EXEC_STOP_POST;
80876c20 1587 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1588 if ((r = service_spawn(s,
1589 s->control_command,
1590 true,
1591 false,
1592 !s->permissions_start_only,
1593 !s->root_directory_start_only,
1e3ad081 1594 true,
c952c6ec 1595 false,
81a2b7ce 1596 &s->control_pid)) < 0)
034c6ed7
LP		 1597 goto fail;
1598
d6ea93e3 1599
80876c20
LP		 1600 service_set_state(s, SERVICE_STOP_POST);
1601 } else
1602 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1603
1604 return;
1605
1606fail:
4cd1fbcc 1607 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1608 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1609}
1610
1611static void service_enter_signal(Service *s, ServiceState state, bool success) {
1612 int r;
ca949c9d
LP		 1613 Set *pid_set = NULL;
1614 bool wait_for_exit = false;
034c6ed7
LP		 1615
1616 assert(s);
1617
1618 if (!success)
1619 s->failure = true;
1620
2e22afe9
LP		 1621 if (s->exec_context.kill_mode != KILL_NONE) {
1622 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1623
ca949c9d
LP		 1624 if (s->main_pid > 0) {
1625 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1626 -s->main_pid :
1627 s->main_pid, sig) < 0 && errno != ESRCH)
034c6ed7 1628
ca949c9d
LP		 1629 log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
1630 else
1631 wait_for_exit = true;
034c6ed7
LP		 1632 }
1633
ca949c9d
LP		 1634 if (s->control_pid > 0) {
1635 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1636 -s->control_pid :
1637 s->control_pid, sig) < 0 && errno != ESRCH)
80876c20 1638
ca949c9d
LP		 1639 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1640 else
1641 wait_for_exit = true;
1642 }
50159e6a 1643
ca949c9d 1644 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
50159e6a 1645
ca949c9d
LP		 1646 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1647 r = -ENOMEM;
50159e6a 1648 goto fail;
ca949c9d
LP		 1649 }
1650
1651 /* Exclude the main/control pids from being killed via the cgroup */
1652 if (s->main_pid > 0)
1653 if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
1654 goto fail;
1655
1656 if (s->control_pid > 0)
1657 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1658 goto fail;
1659
1660 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
1661 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1662 log_warning("Failed to kill control group: %s", strerror(-r));
f5a50114 1663 } else if (r > 0)
ca949c9d
LP		 1664 wait_for_exit = true;
1665
1666 set_free(pid_set);
50159e6a 1667 }
d6ea93e3 1668 }
034c6ed7 1669
ca949c9d 1670 if (wait_for_exit) {
e558336f
LP		 1671 if (s->timeout_usec > 0)
1672 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1673 goto fail;
d6ea93e3 1674
80876c20
LP		 1675 service_set_state(s, state);
1676 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1677 service_enter_stop_post(s, true);
1678 else
034c6ed7
LP		 1679 service_enter_dead(s, true, true);
1680
1681 return;
1682
1683fail:
4cd1fbcc 1684 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7 1685
80876c20 1686 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1687 service_enter_stop_post(s, false);
1688 else
1689 service_enter_dead(s, false, true);
ca949c9d
LP		 1690
1691 if (pid_set)
1692 set_free(pid_set);
034c6ed7
LP		 1693}
1694
1695static void service_enter_stop(Service *s, bool success) {
1696 int r;
5925dd3c 1697
034c6ed7
LP		 1698 assert(s);
1699
1700 if (!success)
1701 s->failure = true;
1702
5e94833f
LP		 1703 service_unwatch_control_pid(s);
1704
a16e1123 1705 s->control_command_id = SERVICE_EXEC_STOP;
80876c20 1706 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1707 if ((r = service_spawn(s,
1708 s->control_command,
1709 true,
1710 false,
1711 !s->permissions_start_only,
1712 !s->root_directory_start_only,
c952c6ec 1713 false,
1e3ad081 1714 false,
e55224ca 1715 &s->control_pid)) < 0)
034c6ed7
LP		 1716 goto fail;
1717
80876c20
LP		 1718 service_set_state(s, SERVICE_STOP);
1719 } else
034c6ed7
LP		 1720 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1721
1722 return;
1723
1724fail:
4cd1fbcc 1725 log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1726 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1727}
1728
80876c20 1729static void service_enter_running(Service *s, bool success) {
4eab639f 1730 int main_pid_ok, cgroup_ok;
80876c20
LP		 1731 assert(s);
1732
1733 if (!success)
1734 s->failure = true;
1735
4eab639f
LP		 1736 main_pid_ok = main_pid_good(s);
1737 cgroup_ok = cgroup_good(s);
1738
1739 if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
05e343b7 1740 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20 1741 service_set_state(s, SERVICE_RUNNING);
02ee865a 1742 else if (s->remain_after_exit)
80876c20
LP		 1743 service_set_state(s, SERVICE_EXITED);
1744 else
1745 service_enter_stop(s, true);
1746}
1747
034c6ed7
LP		 1748static void service_enter_start_post(Service *s) {
1749 int r;
1750 assert(s);
1751
5e94833f
LP		 1752 service_unwatch_control_pid(s);
1753
a16e1123 1754 s->control_command_id = SERVICE_EXEC_START_POST;
80876c20 1755 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1756 if ((r = service_spawn(s,
1757 s->control_command,
1758 true,
1759 false,
1760 !s->permissions_start_only,
1761 !s->root_directory_start_only,
c952c6ec 1762 false,
1e3ad081 1763 false,
e55224ca 1764 &s->control_pid)) < 0)
034c6ed7
LP		 1765 goto fail;
1766
80876c20
LP		 1767 service_set_state(s, SERVICE_START_POST);
1768 } else
1769 service_enter_running(s, true);
034c6ed7
LP		 1770
1771 return;
1772
1773fail:
4cd1fbcc 1774 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1775 service_enter_stop(s, false);
1776}
1777
1778static void service_enter_start(Service *s) {
1779 pid_t pid;
1780 int r;
1781
1782 assert(s);
1783
1784 assert(s->exec_command[SERVICE_EXEC_START]);
34e9ba66 1785 assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
034c6ed7 1786
80876c20
LP		 1787 if (s->type == SERVICE_FORKING)
1788 service_unwatch_control_pid(s);
1789 else
1790 service_unwatch_main_pid(s);
1791
34e9ba66
LP		 1792 s->control_command_id = SERVICE_EXEC_START;
1793 s->control_command = s->exec_command[SERVICE_EXEC_START];
1794
81a2b7ce 1795 if ((r = service_spawn(s,
34e9ba66 1796 s->control_command,
8c47c732 1797 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 1798 true,
1799 true,
1800 true,
1e3ad081 1801 true,
c952c6ec 1802 s->notify_access != NOTIFY_NONE,
81a2b7ce 1803 &pid)) < 0)
034c6ed7
LP		 1804 goto fail;
1805
1806 if (s->type == SERVICE_SIMPLE) {
1807 /* For simple services we immediately start
1808 * the START_POST binaries. */
1809
5925dd3c 1810 service_set_main_pid(s, pid);
034c6ed7
LP		 1811 service_enter_start_post(s);
1812
1813 } else if (s->type == SERVICE_FORKING) {
1814
1815 /* For forking services we wait until the start
1816 * process exited. */
1817
e55224ca 1818 s->control_pid = pid;
80876c20
LP		 1819 service_set_state(s, SERVICE_START);
1820
34e9ba66 1821 } else if (s->type == SERVICE_ONESHOT ||
8c47c732
LP		 1822 s->type == SERVICE_DBUS ||
1823 s->type == SERVICE_NOTIFY) {
7d55e835 1824
34e9ba66 1825 /* For oneshot services we wait until the start
7d55e835
LP		 1826 * process exited, too, but it is our main process. */
1827
05e343b7 1828 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 1829 * but wait for the bus name to appear on the
1830 * bus. Notify services are similar. */
05e343b7 1831
5925dd3c 1832 service_set_main_pid(s, pid);
80876c20 1833 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1834 } else
1835 assert_not_reached("Unknown service type");
1836
1837 return;
1838
1839fail:
4cd1fbcc 1840 log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
80876c20 1841 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1842}
1843
1844static void service_enter_start_pre(Service *s) {
1845 int r;
1846
1847 assert(s);
1848
5e94833f
LP		 1849 service_unwatch_control_pid(s);
1850
a16e1123 1851 s->control_command_id = SERVICE_EXEC_START_PRE;
80876c20 1852 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
81a2b7ce
LP		 1853 if ((r = service_spawn(s,
1854 s->control_command,
1855 true,
1856 false,
1857 !s->permissions_start_only,
1858 !s->root_directory_start_only,
1e3ad081 1859 true,
c952c6ec 1860 false,
e55224ca 1861 &s->control_pid)) < 0)
034c6ed7
LP		 1862 goto fail;
1863
80876c20
LP		 1864 service_set_state(s, SERVICE_START_PRE);
1865 } else
034c6ed7
LP		 1866 service_enter_start(s);
1867
1868 return;
1869
1870fail:
4cd1fbcc 1871 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1872 service_enter_dead(s, false, true);
1873}
1874
1875static void service_enter_restart(Service *s) {
1876 int r;
398ef8ba
LP		 1877 DBusError error;
1878
034c6ed7 1879 assert(s);
398ef8ba 1880 dbus_error_init(&error);
034c6ed7 1881
9ea9a0c8
LP		 1882 service_enter_dead(s, true, false);
1883
7b2603e6 1884 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
034c6ed7
LP		 1885 goto fail;
1886
4cd1fbcc 1887 log_debug("%s scheduled restart job.", s->meta.id);
034c6ed7
LP		 1888 return;
1889
1890fail:
398ef8ba 1891 log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r));
034c6ed7 1892 service_enter_dead(s, false, false);
398ef8ba
LP		 1893
1894 dbus_error_free(&error);
034c6ed7
LP		 1895}
1896
1897static void service_enter_reload(Service *s) {
1898 int r;
1899
1900 assert(s);
1901
5e94833f
LP		 1902 service_unwatch_control_pid(s);
1903
a16e1123 1904 s->control_command_id = SERVICE_EXEC_RELOAD;
80876c20 1905 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 1906 if ((r = service_spawn(s,
1907 s->control_command,
1908 true,
1909 false,
1910 !s->permissions_start_only,
1911 !s->root_directory_start_only,
c952c6ec 1912 false,
1e3ad081 1913 false,
e55224ca 1914 &s->control_pid)) < 0)
034c6ed7
LP		 1915 goto fail;
1916
80876c20
LP		 1917 service_set_state(s, SERVICE_RELOAD);
1918 } else
1919 service_enter_running(s, true);
034c6ed7
LP		 1920
1921 return;
1922
1923fail:
4cd1fbcc 1924 log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1925 service_enter_stop(s, false);
1926}
1927
34e9ba66 1928static void service_run_next_control(Service *s, bool success) {
034c6ed7
LP		 1929 int r;
1930
1931 assert(s);
1932 assert(s->control_command);
1933 assert(s->control_command->command_next);
1934
1935 if (!success)
1936 s->failure = true;
1937
34e9ba66 1938 assert(s->control_command_id != SERVICE_EXEC_START);
034c6ed7 1939
34e9ba66 1940 s->control_command = s->control_command->command_next;
5e94833f
LP		 1941 service_unwatch_control_pid(s);
1942
81a2b7ce
LP		 1943 if ((r = service_spawn(s,
1944 s->control_command,
1945 true,
1946 false,
1947 !s->permissions_start_only,
1948 !s->root_directory_start_only,
5830833f
LP		 1949 s->control_command_id == SERVICE_EXEC_START_PRE ||
1950 s->control_command_id == SERVICE_EXEC_STOP_POST,
1e3ad081 1951 false,
e55224ca 1952 &s->control_pid)) < 0)
034c6ed7
LP		 1953 goto fail;
1954
1955 return;
1956
1957fail:
34e9ba66 1958 log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
034c6ed7 1959
80876c20
LP		 1960 if (s->state == SERVICE_START_PRE)
1961 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1962 else if (s->state == SERVICE_STOP)
1963 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 1964 else if (s->state == SERVICE_STOP_POST)
1965 service_enter_dead(s, false, true);
1966 else
1967 service_enter_stop(s, false);
5cb5a6ff
LP		 1968}
1969
34e9ba66
LP		 1970static void service_run_next_main(Service *s, bool success) {
1971 pid_t pid;
1972 int r;
1973
1974 assert(s);
1975 assert(s->control_command);
1976 assert(s->control_command->command_next);
1977
1978 if (!success)
1979 s->failure = true;
1980
1981 assert(s->control_command_id == SERVICE_EXEC_START);
1982 assert(s->type == SERVICE_ONESHOT);
1983
1984 s->control_command = s->control_command->command_next;
1985 service_unwatch_main_pid(s);
1986
1987 if ((r = service_spawn(s,
1988 s->control_command,
1989 false,
1990 true,
1991 true,
1992 true,
1993 true,
1994 s->notify_access != NOTIFY_NONE,
1995 &pid)) < 0)
1996 goto fail;
1997
1998 service_set_main_pid(s, pid);
1999
2000 return;
2001
2002fail:
2003 log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
2004 service_enter_stop(s, false);
2005}
2006
87f0e418
LP		 2007static int service_start(Unit *u) {
2008 Service *s = SERVICE(u);
5cb5a6ff
LP		 2009
2010 assert(s);
2011
034c6ed7
LP		 2012 /* We cannot fulfill this request right now, try again later
2013 * please! */
2014 if (s->state == SERVICE_STOP ||
2015 s->state == SERVICE_STOP_SIGTERM ||
2016 s->state == SERVICE_STOP_SIGKILL ||
2017 s->state == SERVICE_STOP_POST ||
2018 s->state == SERVICE_FINAL_SIGTERM ||
2019 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 2020 return -EAGAIN;
2021
034c6ed7
LP		 2022 /* Already on it! */
2023 if (s->state == SERVICE_START_PRE ||
2024 s->state == SERVICE_START ||
2025 s->state == SERVICE_START_POST)
2026 return 0;
2027
fdf20a31 2028 assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 2029
1e2e8133
LP		 2030 /* Make sure we don't enter a busy loop of some kind. */
2031 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 2032 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
d5159713 2033 return -ECANCELED;
1e2e8133
LP		 2034 }
2035
cac6f7c8
LP		 2036 if ((s->exec_context.std_input == EXEC_INPUT_SOCKET ||
2037 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
2038 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) &&
2039 s->socket_fd < 0) {
2040 log_warning("%s can only be started with a per-connection socket.", u->meta.id);
2041 return -EINVAL;
2042 }
2043
034c6ed7
LP		 2044 s->failure = false;
2045 s->main_pid_known = false;
47342320 2046 s->forbid_restart = false;
034c6ed7
LP		 2047
2048 service_enter_start_pre(s);
2049 return 0;
5cb5a6ff
LP		 2050}
2051
87f0e418
LP		 2052static int service_stop(Unit *u) {
2053 Service *s = SERVICE(u);
5cb5a6ff
LP		 2054
2055 assert(s);
2056
3f6c78dc
LP		 2057 /* This is a user request, so don't do restarts on this
2058 * shutdown. */
47342320 2059 s->forbid_restart = true;
034c6ed7 2060
e537352b
LP		 2061 /* Already on it */
2062 if (s->state == SERVICE_STOP ||
2063 s->state == SERVICE_STOP_SIGTERM ||
2064 s->state == SERVICE_STOP_SIGKILL ||
2065 s->state == SERVICE_STOP_POST ||
2066 s->state == SERVICE_FINAL_SIGTERM ||
2067 s->state == SERVICE_FINAL_SIGKILL)
2068 return 0;
2069
3f6c78dc 2070 /* Don't allow a restart */
034c6ed7
LP		 2071 if (s->state == SERVICE_AUTO_RESTART) {
2072 service_set_state(s, SERVICE_DEAD);
2073 return 0;
2074 }
2075
3f6c78dc
LP		 2076 /* If there's already something running we go directly into
2077 * kill mode. */
2078 if (s->state == SERVICE_START_PRE ||
2079 s->state == SERVICE_START ||
2080 s->state == SERVICE_START_POST ||
2081 s->state == SERVICE_RELOAD) {
2082 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
2083 return 0;
2084 }
5cb5a6ff 2085
3f6c78dc
LP		 2086 assert(s->state == SERVICE_RUNNING ||
2087 s->state == SERVICE_EXITED);
3a762661 2088
034c6ed7 2089 service_enter_stop(s, true);
5cb5a6ff
LP		 2090 return 0;
2091}
2092
87f0e418
LP		 2093static int service_reload(Unit *u) {
2094 Service *s = SERVICE(u);
034c6ed7
LP		 2095
2096 assert(s);
2097
80876c20 2098 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 2099
2100 service_enter_reload(s);
5cb5a6ff
LP		 2101 return 0;
2102}
2103
87f0e418
LP		 2104static bool service_can_reload(Unit *u) {
2105 Service *s = SERVICE(u);
034c6ed7
LP		 2106
2107 assert(s);
2108
2109 return !!s->exec_command[SERVICE_EXEC_RELOAD];
2110}
2111
a16e1123
LP		 2112static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
2113 Service *s = SERVICE(u);
2114
2115 assert(u);
2116 assert(f);
2117 assert(fds);
2118
2119 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
2120 unit_serialize_item(u, f, "failure", yes_no(s->failure));
2121
2122 if (s->control_pid > 0)
5925dd3c 2123 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 2124
5925dd3c
LP		 2125 if (s->main_pid_known && s->main_pid > 0)
2126 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 2127
2128 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
2129
3a2776bc
LP		 2130 if (s->status_text)
2131 unit_serialize_item(u, f, "status-text", s->status_text);
2132
a16e1123
LP		 2133 /* There's a minor uncleanliness here: if there are multiple
2134 * commands attached here, we will start from the first one
2135 * again */
2136 if (s->control_command_id >= 0)
825636e5 2137 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 2138
2139 if (s->socket_fd >= 0) {
2140 int copy;
2141
2142 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
2143 return copy;
2144
2145 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
2146 }
2147
ecdbca40
LP		 2148 if (s->main_exec_status.pid > 0) {
2149 unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
2150
2151 if (s->main_exec_status.start_timestamp.realtime > 0) {
2152 unit_serialize_item_format(u, f, "main-exec-status-start-realtime",
2153 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.realtime);
2154
2155 unit_serialize_item_format(u, f, "main-exec-status-start-monotonic",
2156 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.monotonic);
2157 }
2158
2159 if (s->main_exec_status.exit_timestamp.realtime > 0) {
2160 unit_serialize_item_format(u, f, "main-exec-status-exit-realtime",
2161 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.realtime);
2162 unit_serialize_item_format(u, f, "main-exec-status-exit-monotonic",
2163 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.monotonic);
2164
2165 unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
2166 unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
2167 }
2168 }
2169
a16e1123
LP		 2170 return 0;
2171}
2172
2173static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
2174 Service *s = SERVICE(u);
a16e1123
LP		 2175
2176 assert(u);
2177 assert(key);
2178 assert(value);
2179 assert(fds);
2180
2181 if (streq(key, "state")) {
2182 ServiceState state;
2183
2184 if ((state = service_state_from_string(value)) < 0)
2185 log_debug("Failed to parse state value %s", value);
2186 else
2187 s->deserialized_state = state;
2188 } else if (streq(key, "failure")) {
2189 int b;
2190
2191 if ((b = parse_boolean(value)) < 0)
2192 log_debug("Failed to parse failure value %s", value);
2193 else
2194 s->failure = b || s->failure;
2195 } else if (streq(key, "control-pid")) {
5925dd3c 2196 pid_t pid;
a16e1123 2197
e364ad06 2198 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2199 log_debug("Failed to parse control-pid value %s", value);
2200 else
e55224ca 2201 s->control_pid = pid;
a16e1123 2202 } else if (streq(key, "main-pid")) {
5925dd3c 2203 pid_t pid;
a16e1123 2204
e364ad06 2205 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2206 log_debug("Failed to parse main-pid value %s", value);
2207 else
5925dd3c 2208 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 2209 } else if (streq(key, "main-pid-known")) {
2210 int b;
2211
2212 if ((b = parse_boolean(value)) < 0)
2213 log_debug("Failed to parse main-pid-known value %s", value);
2214 else
2215 s->main_pid_known = b;
3a2776bc
LP		 2216 } else if (streq(key, "status-text")) {
2217 char *t;
2218
2219 if ((t = strdup(value))) {
2220 free(s->status_text);
2221 s->status_text = t;
2222 }
2223
a16e1123
LP		 2224 } else if (streq(key, "control-command")) {
2225 ServiceExecCommand id;
2226
2227 if ((id = service_exec_command_from_string(value)) < 0)
2228 log_debug("Failed to parse exec-command value %s", value);
2229 else {
2230 s->control_command_id = id;
2231 s->control_command = s->exec_command[id];
2232 }
2233 } else if (streq(key, "socket-fd")) {
2234 int fd;
2235
2236 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2237 log_debug("Failed to parse socket-fd value %s", value);
2238 else {
2239
2240 if (s->socket_fd >= 0)
2241 close_nointr_nofail(s->socket_fd);
2242 s->socket_fd = fdset_remove(fds, fd);
2243 }
ecdbca40
LP		 2244 } else if (streq(key, "main-exec-status-pid")) {
2245 pid_t pid;
2246
e364ad06 2247 if (parse_pid(value, &pid) < 0)
ecdbca40
LP		 2248 log_debug("Failed to parse main-exec-status-pid value %s", value);
2249 else
2250 s->main_exec_status.pid = pid;
2251 } else if (streq(key, "main-exec-status-code")) {
2252 int i;
2253
e364ad06 2254 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2255 log_debug("Failed to parse main-exec-status-code value %s", value);
2256 else
2257 s->main_exec_status.code = i;
2258 } else if (streq(key, "main-exec-status-status")) {
2259 int i;
2260
e364ad06 2261 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2262 log_debug("Failed to parse main-exec-status-status value %s", value);
2263 else
2264 s->main_exec_status.status = i;
2265 } else if (streq(key, "main-exec-status-start-realtime")) {
2266 uint64_t k;
2267
e364ad06 2268 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2269 log_debug("Failed to parse main-exec-status-start-realtime value %s", value);
2270 else
2271 s->main_exec_status.start_timestamp.realtime = (usec_t) k;
2272 } else if (streq(key, "main-exec-status-start-monotonic")) {
2273 uint64_t k;
2274
e364ad06 2275 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2276 log_debug("Failed to parse main-exec-status-start-monotonic value %s", value);
2277 else
2278 s->main_exec_status.start_timestamp.monotonic = (usec_t) k;
2279 } else if (streq(key, "main-exec-status-exit-realtime")) {
2280 uint64_t k;
2281
e364ad06 2282 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2283 log_debug("Failed to parse main-exec-status-exit-realtime value %s", value);
2284 else
2285 s->main_exec_status.exit_timestamp.realtime = (usec_t) k;
2286 } else if (streq(key, "main-exec-status-exit-monotonic")) {
2287 uint64_t k;
2288
e364ad06 2289 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2290 log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value);
2291 else
2292 s->main_exec_status.exit_timestamp.monotonic = (usec_t) k;
a16e1123
LP		 2293 } else
2294 log_debug("Unknown serialization key '%s'", key);
2295
2296 return 0;
2297}
2298
87f0e418
LP		 2299static UnitActiveState service_active_state(Unit *u) {
2300 assert(u);
5cb5a6ff 2301
acbb0225 2302 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2303}
2304
10a94420
LP		 2305static const char *service_sub_state_to_string(Unit *u) {
2306 assert(u);
2307
2308 return service_state_to_string(SERVICE(u)->state);
2309}
2310
07459bb6 2311#ifdef HAVE_SYSV_COMPAT
701cc384
LP		 2312static bool service_check_gc(Unit *u) {
2313 Service *s = SERVICE(u);
2314
2315 assert(s);
2316
2317 return !!s->sysv_path;
2318}
07459bb6 2319#endif
701cc384
LP		 2320
2321static bool service_check_snapshot(Unit *u) {
2322 Service *s = SERVICE(u);
2323
2324 assert(s);
2325
2326 return !s->got_socket_fd;
2327}
2328
87f0e418
LP		 2329static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2330 Service *s = SERVICE(u);
034c6ed7 2331 bool success;
5cb5a6ff
LP		 2332
2333 assert(s);
034c6ed7
LP		 2334 assert(pid >= 0);
2335
f21781d5 2336 if (!s->meta.fragment_path)
d06dacd0
LP		 2337 success = is_clean_exit_lsb(code, status);
2338 else
2339 success = is_clean_exit(code, status);
034c6ed7
LP		 2340
2341 if (s->main_pid == pid) {
2342
034c6ed7 2343 s->main_pid = 0;
34e9ba66 2344 exec_status_exit(&s->main_exec_status, pid, code, status);
034c6ed7 2345
34e9ba66
LP		 2346 if (s->type != SERVICE_FORKING && s->control_command) {
2347 s->control_command->exec_status = s->main_exec_status;
b708e7ce 2348
34e9ba66 2349 if (s->control_command->ignore)
b708e7ce 2350 success = true;
034c6ed7
LP		 2351 }
2352
92abbefb
LP		 2353 log_full(success ? LOG_DEBUG : LOG_NOTICE,
2354 "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2355 s->failure = s->failure || !success;
034c6ed7 2356
34e9ba66
LP		 2357 if (s->control_command &&
2358 s->control_command->command_next &&
2359 success) {
034c6ed7 2360
34e9ba66
LP		 2361 /* There is another command to *
2362 * execute, so let's do that. */
034c6ed7 2363
34e9ba66
LP		 2364 log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
2365 service_run_next_main(s, success);
034c6ed7 2366
34e9ba66
LP		 2367 } else {
2368
2369 /* The service exited, so the service is officially
2370 * gone. */
2371
2372 s->control_command = NULL;
2373 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2374
2375 switch (s->state) {
2376
2377 case SERVICE_START_POST:
2378 case SERVICE_RELOAD:
2379 case SERVICE_STOP:
2380 /* Need to wait until the operation is
2381 * done */
c4653a4d 2382 break;
7d55e835 2383
34e9ba66
LP		 2384 case SERVICE_START:
2385 if (s->type == SERVICE_ONESHOT) {
2386 /* This was our main goal, so let's go on */
2387 if (success)
2388 service_enter_start_post(s);
2389 else
2390 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2391 break;
2392 } else {
2393 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2394
34e9ba66
LP		 2395 /* Fall through */
2396 }
034c6ed7 2397
34e9ba66
LP		 2398 case SERVICE_RUNNING:
2399 service_enter_running(s, success);
2400 break;
034c6ed7 2401
34e9ba66
LP		 2402 case SERVICE_STOP_SIGTERM:
2403 case SERVICE_STOP_SIGKILL:
5cb5a6ff 2404
34e9ba66
LP		 2405 if (!control_pid_good(s))
2406 service_enter_stop_post(s, success);
5cb5a6ff 2407
34e9ba66
LP		 2408 /* If there is still a control process, wait for that first */
2409 break;
2410
2411 default:
2412 assert_not_reached("Uh, main process died at wrong time.");
2413 }
034c6ed7 2414 }
5cb5a6ff 2415
034c6ed7 2416 } else if (s->control_pid == pid) {
034c6ed7 2417
34e9ba66
LP		 2418 s->control_pid = 0;
2419
b708e7ce 2420 if (s->control_command) {
b58b4116 2421 exec_status_exit(&s->control_command->exec_status, pid, code, status);
a16e1123 2422
b708e7ce
LP		 2423 if (s->control_command->ignore)
2424 success = true;
2425 }
2426
34e9ba66 2427 log_full(success ? LOG_DEBUG : LOG_NOTICE,
92abbefb 2428 "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2429 s->failure = s->failure || !success;
034c6ed7 2430
34e9ba66
LP		 2431 if (s->control_command &&
2432 s->control_command->command_next &&
2433 success) {
034c6ed7
LP		 2434
2435 /* There is another command to *
2436 * execute, so let's do that. */
2437
34e9ba66
LP		 2438 log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
2439 service_run_next_control(s, success);
034c6ed7 2440
80876c20 2441 } else {
034c6ed7
LP		 2442 /* No further commands for this step, so let's
2443 * figure out what to do next */
2444
a16e1123
LP		 2445 s->control_command = NULL;
2446 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2447
9e2f7c11 2448 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 2449
034c6ed7
LP		 2450 switch (s->state) {
2451
2452 case SERVICE_START_PRE:
2453 if (success)
2454 service_enter_start(s);
2455 else
80876c20 2456 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2457 break;
2458
2459 case SERVICE_START:
2460 assert(s->type == SERVICE_FORKING);
2461
2462 /* Let's try to load the pid
2463 * file here if we can. We
2464 * ignore the return value,
2465 * since the PID file might
2466 * actually be created by a
2467 * START_POST script */
2468
2469 if (success) {
2470 if (s->pid_file)
2471 service_load_pid_file(s);
2472
2473 service_enter_start_post(s);
2474 } else
80876c20 2475 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2476
2477 break;
2478
2479 case SERVICE_START_POST:
2480 if (success && s->pid_file && !s->main_pid_known) {
2481 int r;
2482
2483 /* Hmm, let's see if we can
2484 * load the pid now after the
2485 * start-post scripts got
2486 * executed. */
2487
2488 if ((r = service_load_pid_file(s)) < 0)
4cd1fbcc 2489 log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 2490 }
2491
2492 /* Fall through */
2493
2494 case SERVICE_RELOAD:
80876c20
LP		 2495 if (success)
2496 service_enter_running(s, true);
2497 else
034c6ed7
LP		 2498 service_enter_stop(s, false);
2499
2500 break;
2501
2502 case SERVICE_STOP:
80876c20 2503 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2504 break;
2505
2506 case SERVICE_STOP_SIGTERM:
2507 case SERVICE_STOP_SIGKILL:
2508 if (main_pid_good(s) <= 0)
2509 service_enter_stop_post(s, success);
2510
2511 /* If there is still a service
2512 * process around, wait until
2513 * that one quit, too */
2514 break;
2515
2516 case SERVICE_STOP_POST:
2517 case SERVICE_FINAL_SIGTERM:
2518 case SERVICE_FINAL_SIGKILL:
2519 service_enter_dead(s, success, true);
2520 break;
2521
2522 default:
2523 assert_not_reached("Uh, control process died at wrong time.");
2524 }
2525 }
8c47c732 2526 }
c4e2ceae
LP		 2527
2528 /* Notify clients about changed exit status */
2529 unit_add_to_dbus_queue(u);
034c6ed7
LP		 2530}
2531
acbb0225 2532static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2533 Service *s = SERVICE(u);
034c6ed7
LP		 2534
2535 assert(s);
2536 assert(elapsed == 1);
2537
acbb0225 2538 assert(w == &s->timer_watch);
034c6ed7
LP		 2539
2540 switch (s->state) {
2541
2542 case SERVICE_START_PRE:
2543 case SERVICE_START:
9e2f7c11 2544 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 2545 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2546 break;
2547
034c6ed7
LP		 2548 case SERVICE_START_POST:
2549 case SERVICE_RELOAD:
9e2f7c11 2550 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 2551 service_enter_stop(s, false);
2552 break;
2553
2554 case SERVICE_STOP:
9e2f7c11 2555 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 2556 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2557 break;
2558
2559 case SERVICE_STOP_SIGTERM:
9e2f7c11 2560 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 2561 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2562 break;
2563
2564 case SERVICE_STOP_SIGKILL:
2565 /* Uh, wie sent a SIGKILL and it is still not gone?
2566 * Must be something we cannot kill, so let's just be
2567 * weirded out and continue */
2568
9e2f7c11 2569 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 2570 service_enter_stop_post(s, false);
2571 break;
2572
2573 case SERVICE_STOP_POST:
9e2f7c11 2574 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 2575 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2576 break;
2577
2578 case SERVICE_FINAL_SIGTERM:
9e2f7c11 2579 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 2580 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2581 break;
2582
2583 case SERVICE_FINAL_SIGKILL:
fdf20a31 2584 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
034c6ed7
LP		 2585 service_enter_dead(s, false, true);
2586 break;
2587
2588 case SERVICE_AUTO_RESTART:
54165a39 2589 log_info("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 2590 service_enter_restart(s);
2591 break;
2592
2593 default:
2594 assert_not_reached("Timeout at wrong time.");
2595 }
5cb5a6ff
LP		 2596}
2597
8e274523
LP		 2598static void service_cgroup_notify_event(Unit *u) {
2599 Service *s = SERVICE(u);
2600
2601 assert(u);
2602
9e2f7c11 2603 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 2604
2605 switch (s->state) {
2606
2607 /* Waiting for SIGCHLD is usually more interesting,
2608 * because it includes return codes/signals. Which is
2609 * why we ignore the cgroup events for most cases,
2610 * except when we don't know pid which to expect the
2611 * SIGCHLD for. */
2612
2613 case SERVICE_RUNNING:
80876c20 2614 service_enter_running(s, true);
8e274523
LP		 2615 break;
2616
28708d8a
LP		 2617 case SERVICE_STOP_SIGTERM:
2618 case SERVICE_STOP_SIGKILL:
2619 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2620 service_enter_stop_post(s, true);
2621
2622 break;
2623
7f97f0fe
LP		 2624 case SERVICE_FINAL_SIGTERM:
2625 case SERVICE_FINAL_SIGKILL:
2626 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2627 service_enter_dead(s, true, true);
2628
2629 break;
2630
8e274523
LP		 2631 default:
2632 ;
2633 }
2634}
2635
c952c6ec 2636static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 2637 Service *s = SERVICE(u);
2638 const char *e;
2639
2640 assert(u);
2641
c952c6ec
LP		 2642 if (s->notify_access == NOTIFY_NONE) {
2643 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
2644 u->meta.id, (unsigned long) pid);
2645 return;
2646 }
2647
2648 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
2649 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
2650 u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
2651 return;
2652 }
2653
8c47c732
LP		 2654 log_debug("%s: Got message", u->meta.id);
2655
2656 /* Interpret MAINPID= */
2657 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
2658 (s->state == SERVICE_START ||
2659 s->state == SERVICE_START_POST ||
2660 s->state == SERVICE_RUNNING ||
2661 s->state == SERVICE_RELOAD)) {
8c47c732 2662
5925dd3c 2663 if (parse_pid(e + 8, &pid) < 0)
92abbefb 2664 log_warning("Failed to parse notification message %s", e);
8c47c732
LP		 2665 else {
2666 log_debug("%s: got %s", u->meta.id, e);
5925dd3c 2667 service_set_main_pid(s, pid);
8c47c732
LP		 2668 }
2669 }
2670
2671 /* Interpret READY= */
2672 if (s->type == SERVICE_NOTIFY &&
2673 s->state == SERVICE_START &&
2674 strv_find(tags, "READY=1")) {
2675 log_debug("%s: got READY=1", u->meta.id);
2676
2677 service_enter_start_post(s);
2678 }
2679
2680 /* Interpret STATUS= */
2681 if ((e = strv_find_prefix(tags, "STATUS="))) {
2682 char *t;
2683
3a2776bc
LP		 2684 if (e[7]) {
2685 if (!(t = strdup(e+7))) {
2686 log_error("Failed to allocate string.");
2687 return;
2688 }
2689
2690 log_debug("%s: got %s", u->meta.id, e);
8c47c732 2691
3a2776bc
LP		 2692 free(s->status_text);
2693 s->status_text = t;
2694 } else {
2695 free(s->status_text);
2696 s->status_text = NULL;
2697 }
8c47c732 2698
8c47c732 2699 }
c4e2ceae
LP		 2700
2701 /* Notify clients about changed status or main pid */
2702 unit_add_to_dbus_queue(u);
8c47c732
LP		 2703}
2704
07459bb6 2705#ifdef HAVE_SYSV_COMPAT
2c4104f0 2706static int service_enumerate(Manager *m) {
2c4104f0
LP		 2707 char **p;
2708 unsigned i;
2709 DIR *d = NULL;
2710 char *path = NULL, *fpath = NULL, *name = NULL;
c68364b7
LP		 2711 Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
2712 Unit *service;
2713 Iterator j;
2c4104f0 2714 int r;
980900c1
TG		 2715#ifdef TARGET_ARCH
2716 Unit *previous = NULL;
2717 char *arch_daemons = NULL;
2718 char *arch_daemons_stripped = NULL;
2719 char **arch_daemons_split = NULL;
2720#endif
2c4104f0
LP		 2721
2722 assert(m);
2723
980900c1
TG		 2724#ifdef TARGET_ARCH
2725 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
2726 "DAEMONS", &arch_daemons,
2727 NULL)) < 0) {
2728
2729 if (r != -ENOENT)
2730 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
2731
2732 } else if (arch_daemons) {
2733 if (!(arch_daemons_stripped = strchr(arch_daemons, '(')))
2734 arch_daemons_stripped = arch_daemons;
2735 else
2736 arch_daemons_stripped++; /* strip start paren */
2737
2738 arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */
2739
2740 if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) {
2741 r = -ENOMEM;
2742 goto finish;
2743 }
2744
2745 STRV_FOREACH(p, arch_daemons_split) {
2746
2747 free(name);
2748
2749 if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */
2750 continue;
2751
2752 if (!(name = sysv_translate_name(*p))) {
2753 r = -ENOMEM;
2754 goto finish;
2755 }
2756
2757 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
2758 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2759 continue;
2760 }
2761
2762 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0)
2763 goto finish;
2764
2765 if (previous)
2766 if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0)
2767 goto finish;
2768
2769 if (**p != '@') /* daemons prefixed with @ can be started in the background */
2770 previous = service;
2771 }
2772 }
2773#endif
2774
c68364b7
LP		 2775 zero(runlevel_services);
2776
84e3543e 2777 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 2778 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 2779 struct dirent *de;
2780
2781 free(path);
2782 path = NULL;
09cd1ab1 2783 if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
2c4104f0
LP		 2784 r = -ENOMEM;
2785 goto finish;
2786 }
2787
2788 if (d)
2789 closedir(d);
2790
2791 if (!(d = opendir(path))) {
2792 if (errno != ENOENT)
2793 log_warning("opendir() failed on %s: %s", path, strerror(errno));
2794
2795 continue;
2796 }
2797
2798 while ((de = readdir(d))) {
db06e3b6 2799 int a, b;
2c4104f0
LP		 2800
2801 if (ignore_file(de->d_name))
2802 continue;
2803
2804 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
2805 continue;
2806
2807 if (strlen(de->d_name) < 4)
2808 continue;
2809
db06e3b6
LP		 2810 a = undecchar(de->d_name[1]);
2811 b = undecchar(de->d_name[2]);
2812
2813 if (a < 0 || b < 0)
2814 continue;
2815
2c4104f0
LP		 2816 free(fpath);
2817 fpath = NULL;
09cd1ab1 2818 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
2c4104f0
LP		 2819 r = -ENOMEM;
2820 goto finish;
2821 }
2822
2823 if (access(fpath, X_OK) < 0) {
2824
2825 if (errno != ENOENT)
2826 log_warning("access() failed on %s: %s", fpath, strerror(errno));
2827
2828 continue;
2829 }
2830
2831 free(name);
b7ccee3c 2832 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 2833 r = -ENOMEM;
2834 goto finish;
2835 }
2836
398ef8ba 2837 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
fbe9f3a9
LP		 2838 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2839 continue;
2840 }
2c4104f0 2841
c68364b7
LP		 2842 if (de->d_name[0] == 'S') {
2843
f73d93a4
LP		 2844 if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
2845 SERVICE(service)->sysv_start_priority =
2846 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
db06e3b6 2847
c68364b7 2848 SERVICE(service)->sysv_enabled = true;
f73d93a4 2849 }
db06e3b6 2850
c68364b7
LP		 2851 if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
2852 goto finish;
2c4104f0 2853
c68364b7 2854 if ((r = set_put(runlevel_services[i], service)) < 0)
2c4104f0 2855 goto finish;
23a177ef 2856
fc5df99e
LP		 2857 } else if (de->d_name[0] == 'K' &&
2858 (rcnd_table[i].type == RUNLEVEL_DOWN ||
2859 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f 2860
c68364b7
LP		 2861 if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
2862 goto finish;
2863
2864 if ((r = set_put(shutdown_services, service)) < 0)
2c4104f0
LP		 2865 goto finish;
2866 }
2867 }
2868 }
2869
c68364b7
LP		 2870 /* Now we loaded all stubs and are aware of the lowest
2871 start-up priority for all services, not let's actually load
2872 the services, this will also tell us which services are
2873 actually native now */
2874 manager_dispatch_load_queue(m);
2875
2876 /* If this is a native service, rely on native ways to pull in
2877 * a service, don't pull it in via sysv rcN.d links. */
2878 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
2879 SET_FOREACH(service, runlevel_services[i], j) {
2880 service = unit_follow_merge(service);
2881
2882 if (service->meta.fragment_path)
2883 continue;
2884
2885 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
2886 goto finish;
2887 }
2888
2889 /* We honour K links only for halt/reboot. For the normal
2890 * runlevels we assume the stop jobs will be implicitly added
2891 * by the core logic. Also, we don't really distuingish here
2892 * between the runlevels 0 and 6 and just add them to the
2893 * special shutdown target. On SUSE the boot.d/ runlevel is
2894 * also used for shutdown, so we add links for that too to the
2895 * shutdown target.*/
2896 SET_FOREACH(service, shutdown_services, j) {
2897 service = unit_follow_merge(service);
2898
2899 if (service->meta.fragment_path)
2900 continue;
2901
2902 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
2903 goto finish;
2904 }
2905
2c4104f0
LP		 2906 r = 0;
2907
2908finish:
2909 free(path);
2910 free(fpath);
2911 free(name);
980900c1
TG		 2912#ifdef TARGET_ARCH
2913 free(arch_daemons);
2914 free(arch_daemons_split);
2915#endif
fbe9f3a9 2916
c68364b7
LP		 2917 for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
2918 set_free(runlevel_services[i]);
2919 set_free(shutdown_services);
2920
fbe9f3a9
LP		 2921 if (d)
2922 closedir(d);
2c4104f0
LP		 2923
2924 return r;
2925}
07459bb6 2926#endif
2c4104f0 2927
05e343b7
LP		 2928static void service_bus_name_owner_change(
2929 Unit *u,
2930 const char *name,
2931 const char *old_owner,
2932 const char *new_owner) {
2933
2934 Service *s = SERVICE(u);
2935
2936 assert(s);
2937 assert(name);
2938
2939 assert(streq(s->bus_name, name));
2940 assert(old_owner || new_owner);
2941
2942 if (old_owner && new_owner)
2943 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
2944 else if (old_owner)
2945 log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
2946 else
2947 log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
2948
2949 s->bus_name_good = !!new_owner;
2950
2951 if (s->type == SERVICE_DBUS) {
2952
2953 /* service_enter_running() will figure out what to
2954 * do */
2955 if (s->state == SERVICE_RUNNING)
2956 service_enter_running(s, true);
2957 else if (s->state == SERVICE_START && new_owner)
2958 service_enter_start_post(s);
2959
2960 } else if (new_owner &&
2961 s->main_pid <= 0 &&
2962 (s->state == SERVICE_START ||
2963 s->state == SERVICE_START_POST ||
2964 s->state == SERVICE_RUNNING ||
2965 s->state == SERVICE_RELOAD)) {
2966
2967 /* Try to acquire PID from bus service */
2968 log_debug("Trying to acquire PID from D-Bus name...");
2969
2970 bus_query_pid(u->meta.manager, name);
2971 }
2972}
2973
2974static void service_bus_query_pid_done(
2975 Unit *u,
2976 const char *name,
2977 pid_t pid) {
2978
2979 Service *s = SERVICE(u);
2980
2981 assert(s);
2982 assert(name);
2983
2984 log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
2985
2986 if (s->main_pid <= 0 &&
2987 (s->state == SERVICE_START ||
2988 s->state == SERVICE_START_POST ||
2989 s->state == SERVICE_RUNNING ||
2990 s->state == SERVICE_RELOAD))
5925dd3c 2991 service_set_main_pid(s, pid);
05e343b7
LP		 2992}
2993
6cf6bbc2 2994int service_set_socket_fd(Service *s, int fd, Socket *sock) {
4f2d528d
LP		 2995 assert(s);
2996 assert(fd >= 0);
2997
2998 /* This is called by the socket code when instantiating a new
2999 * service for a stream socket and the socket needs to be
3000 * configured. */
3001
4cd1fbcc 3002 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 3003 return -EINVAL;
3004
3005 if (s->socket_fd >= 0)
3006 return -EBUSY;
3007
3008 if (s->state != SERVICE_DEAD)
3009 return -EAGAIN;
3010
3011 s->socket_fd = fd;
701cc384 3012 s->got_socket_fd = true;
6cf6bbc2
LP		 3013 s->socket = sock;
3014
4f2d528d
LP		 3015 return 0;
3016}
3017
fdf20a31 3018static void service_reset_failed(Unit *u) {
5632e374
LP		 3019 Service *s = SERVICE(u);
3020
3021 assert(s);
3022
fdf20a31 3023 if (s->state == SERVICE_FAILED)
5632e374
LP		 3024 service_set_state(s, SERVICE_DEAD);
3025
3026 s->failure = false;
3027}
3028
94f04347
LP		 3029static const char* const service_state_table[_SERVICE_STATE_MAX] = {
3030 [SERVICE_DEAD] = "dead",
3031 [SERVICE_START_PRE] = "start-pre",
3032 [SERVICE_START] = "start",
3033 [SERVICE_START_POST] = "start-post",
3034 [SERVICE_RUNNING] = "running",
80876c20 3035 [SERVICE_EXITED] = "exited",
94f04347
LP		 3036 [SERVICE_RELOAD] = "reload",
3037 [SERVICE_STOP] = "stop",
3038 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
3039 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
3040 [SERVICE_STOP_POST] = "stop-post",
3041 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
3042 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 3043 [SERVICE_FAILED] = "failed",
94f04347
LP		 3044 [SERVICE_AUTO_RESTART] = "auto-restart",
3045};
3046
3047DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
3048
3049static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
3050 [SERVICE_ONCE] = "once",
3051 [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
40531a55 3052 [SERVICE_RESTART_ALWAYS] = "restart-always",
94f04347
LP		 3053};
3054
3055DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
3056
3057static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
94f04347 3058 [SERVICE_SIMPLE] = "simple",
0d624a78 3059 [SERVICE_FORKING] = "forking",
34e9ba66 3060 [SERVICE_ONESHOT] = "oneshot",
8c47c732
LP		 3061 [SERVICE_DBUS] = "dbus",
3062 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 3063};
3064
3065DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
3066
e537352b 3067static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 3068 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
3069 [SERVICE_EXEC_START] = "ExecStart",
3070 [SERVICE_EXEC_START_POST] = "ExecStartPost",
3071 [SERVICE_EXEC_RELOAD] = "ExecReload",
3072 [SERVICE_EXEC_STOP] = "ExecStop",
3073 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
3074};
3075
3076DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
3077
c952c6ec
LP		 3078static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
3079 [NOTIFY_NONE] = "none",
3080 [NOTIFY_MAIN] = "main",
3081 [NOTIFY_ALL] = "all"
3082};
3083
3084DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
3085
87f0e418 3086const UnitVTable service_vtable = {
5cb5a6ff 3087 .suffix = ".service",
9e58ff9c 3088 .show_status = true,
5cb5a6ff 3089
034c6ed7
LP		 3090 .init = service_init,
3091 .done = service_done,
a16e1123
LP		 3092 .load = service_load,
3093
3094 .coldplug = service_coldplug,
034c6ed7 3095
5cb5a6ff
LP		 3096 .dump = service_dump,
3097
3098 .start = service_start,
3099 .stop = service_stop,
3100 .reload = service_reload,
3101
034c6ed7
LP		 3102 .can_reload = service_can_reload,
3103
a16e1123
LP		 3104 .serialize = service_serialize,
3105 .deserialize_item = service_deserialize_item,
3106
5cb5a6ff 3107 .active_state = service_active_state,
10a94420 3108 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 3109
07459bb6 3110#ifdef HAVE_SYSV_COMPAT
701cc384 3111 .check_gc = service_check_gc,
07459bb6 3112#endif
701cc384
LP		 3113 .check_snapshot = service_check_snapshot,
3114
034c6ed7
LP		 3115 .sigchld_event = service_sigchld_event,
3116 .timer_event = service_timer_event,
2c4104f0 3117
fdf20a31 3118 .reset_failed = service_reset_failed,
5632e374 3119
8e274523 3120 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 3121 .notify_message = service_notify_message,
8e274523 3122
05e343b7
LP		 3123 .bus_name_owner_change = service_bus_name_owner_change,
3124 .bus_query_pid_done = service_bus_query_pid_done,
3125
c4e2ceae 3126 .bus_interface = "org.freedesktop.systemd1.Service",
4139c1b2 3127 .bus_message_handler = bus_service_message_handler,
c4e2ceae 3128 .bus_invalidating_properties = bus_service_invalidating_properties,
4139c1b2 3129
07459bb6 3130#ifdef HAVE_SYSV_COMPAT
2c4104f0 3131 .enumerate = service_enumerate
07459bb6 3132#endif
5cb5a6ff 3133};
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