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service: add watchdog timestamp
[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"
9a57c629 37#include "exit-status.h"
f6a6225e
LP		 38#include "def.h"
39#include "util.h"
034c6ed7 40
07459bb6 41#ifdef HAVE_SYSV_COMPAT
f34277d9 42
f6a6225e 43#define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
f34277d9 44
09cd1ab1
LP		 45typedef enum RunlevelType {
46 RUNLEVEL_UP,
47 RUNLEVEL_DOWN,
fc5df99e 48 RUNLEVEL_SYSINIT
09cd1ab1
LP		 49} RunlevelType;
50
51static const struct {
52 const char *path;
53 const char *target;
54 const RunlevelType type;
55} rcnd_table[] = {
9d25f5ed 56 /* Standard SysV runlevels for start-up */
514f4ef5 57 { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP },
fbe9f3a9
LP		 58 { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
59 { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
60 { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
61 { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
fbe9f3a9 62
d4054675 63#ifdef TARGET_SUSE
cfe243e3 64 /* SUSE style boot.d */
fc5df99e 65 { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
d4054675 66#endif
fbe9f3a9 67
240fc26e 68#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
fbe9f3a9 69 /* Debian style rcS.d */
fc5df99e 70 { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
d4054675 71#endif
9d25f5ed
LP		 72
73 /* Standard SysV runlevels for shutdown */
74 { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
75 { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }
76
77 /* Note that the order here matters, as we read the
78 directories in this order, and we want to make sure that
79 sysv_start_priority is known when we first load the
80 unit. And that value we only know from S links. Hence
81 UP/SYSINIT must be read before DOWN */
23a177ef
LP		 82};
83
09cd1ab1 84#define RUNLEVELS_UP "12345"
fbe9f3a9 85/* #define RUNLEVELS_DOWN "06" */
e51db373 86#define RUNLEVELS_BOOT "bBsS"
07459bb6 87#endif
09cd1ab1 88
acbb0225 89static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
87f0e418
LP		 90 [SERVICE_DEAD] = UNIT_INACTIVE,
91 [SERVICE_START_PRE] = UNIT_ACTIVATING,
92 [SERVICE_START] = UNIT_ACTIVATING,
93 [SERVICE_START_POST] = UNIT_ACTIVATING,
94 [SERVICE_RUNNING] = UNIT_ACTIVE,
80876c20 95 [SERVICE_EXITED] = UNIT_ACTIVE,
032ff4af 96 [SERVICE_RELOAD] = UNIT_RELOADING,
87f0e418
LP		 97 [SERVICE_STOP] = UNIT_DEACTIVATING,
98 [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
99 [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
100 [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
101 [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
102 [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
fdf20a31 103 [SERVICE_FAILED] = UNIT_FAILED,
6124958c 104 [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING
034c6ed7 105};
5cb5a6ff 106
a16e1123
LP		 107static void service_init(Unit *u) {
108 Service *s = SERVICE(u);
109
110 assert(u);
ac155bb8 111 assert(u->load_state == UNIT_STUB);
a16e1123
LP		 112
113 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
114 s->restart_usec = DEFAULT_RESTART_USEC;
115 s->timer_watch.type = WATCH_INVALID;
07459bb6 116#ifdef HAVE_SYSV_COMPAT
a16e1123 117 s->sysv_start_priority = -1;
ea87ca5a 118 s->sysv_start_priority_from_rcnd = -1;
07459bb6 119#endif
a16e1123 120 s->socket_fd = -1;
3185a36b 121 s->guess_main_pid = true;
a16e1123
LP		 122
123 exec_context_init(&s->exec_context);
124
125 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
126
127 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
128}
129
5e94833f
LP		 130static void service_unwatch_control_pid(Service *s) {
131 assert(s);
132
133 if (s->control_pid <= 0)
134 return;
135
136 unit_unwatch_pid(UNIT(s), s->control_pid);
137 s->control_pid = 0;
138}
139
140static void service_unwatch_main_pid(Service *s) {
141 assert(s);
142
143 if (s->main_pid <= 0)
144 return;
145
146 unit_unwatch_pid(UNIT(s), s->main_pid);
147 s->main_pid = 0;
148}
149
3e52541e
MS		 150static void service_unwatch_pid_file(Service *s) {
151 if (!s->pid_file_pathspec)
152 return;
153
154 log_debug("Stopping watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
155 path_spec_unwatch(s->pid_file_pathspec, UNIT(s));
156 path_spec_done(s->pid_file_pathspec);
157 free(s->pid_file_pathspec);
158 s->pid_file_pathspec = NULL;
159}
160
5925dd3c 161static int service_set_main_pid(Service *s, pid_t pid) {
e55224ca
LP		 162 pid_t ppid;
163
5925dd3c
LP		 164 assert(s);
165
166 if (pid <= 1)
167 return -EINVAL;
168
169 if (pid == getpid())
170 return -EINVAL;
171
6dfa5494
LP		 172 s->main_pid = pid;
173 s->main_pid_known = true;
174
175 if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) {
e55224ca 176 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
1124fe6f 177 UNIT(s)->id, (unsigned long) pid);
e55224ca 178
6dfa5494
LP		 179 s->main_pid_alien = true;
180 } else
181 s->main_pid_alien = false;
5925dd3c 182
b58b4116
LP		 183 exec_status_start(&s->main_exec_status, pid);
184
5925dd3c
LP		 185 return 0;
186}
187
4f2d528d
LP		 188static void service_close_socket_fd(Service *s) {
189 assert(s);
190
191 if (s->socket_fd < 0)
192 return;
193
194 close_nointr_nofail(s->socket_fd);
195 s->socket_fd = -1;
196}
197
6cf6bbc2
LP		 198static void service_connection_unref(Service *s) {
199 assert(s);
200
57020a3a 201 if (!UNIT_DEREF(s->accept_socket))
6cf6bbc2
LP		 202 return;
203
57020a3a
LP		 204 socket_connection_unref(SOCKET(UNIT_DEREF(s->accept_socket)));
205 unit_ref_unset(&s->accept_socket);
6cf6bbc2
LP		 206}
207
a6927d7f
MO		 208static void service_stop_watchdog(Service *s) {
209 assert(s);
210
211 s->watchdog_timestamp.realtime = 0;
212 s->watchdog_timestamp.monotonic = 0;
213}
214
215static void service_reset_watchdog(Service *s) {
216 assert(s);
217
218 dual_timestamp_get(&s->watchdog_timestamp);
219}
220
87f0e418
LP		 221static void service_done(Unit *u) {
222 Service *s = SERVICE(u);
44d8db9e
LP		 223
224 assert(s);
225
226 free(s->pid_file);
227 s->pid_file = NULL;
228
07459bb6 229#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 230 free(s->sysv_path);
231 s->sysv_path = NULL;
232
8309400a
LP		 233 free(s->sysv_runlevels);
234 s->sysv_runlevels = NULL;
07459bb6 235#endif
8309400a 236
8c47c732
LP		 237 free(s->status_text);
238 s->status_text = NULL;
239
44d8db9e 240 exec_context_done(&s->exec_context);
e537352b 241 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e 242 s->control_command = NULL;
867b3b7d 243 s->main_command = NULL;
44d8db9e
LP		 244
245 /* This will leak a process, but at least no memory or any of
246 * our resources */
5e94833f
LP		 247 service_unwatch_main_pid(s);
248 service_unwatch_control_pid(s);
3e52541e 249 service_unwatch_pid_file(s);
44d8db9e 250
05e343b7 251 if (s->bus_name) {
ac155bb8 252 unit_unwatch_bus_name(u, s->bus_name);
05e343b7
LP		 253 free(s->bus_name);
254 s->bus_name = NULL;
255 }
256
4f2d528d 257 service_close_socket_fd(s);
6cf6bbc2 258 service_connection_unref(s);
4f2d528d 259
57020a3a 260 unit_ref_unset(&s->accept_socket);
f976f3f6 261
acbb0225 262 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 263}
264
07459bb6 265#ifdef HAVE_SYSV_COMPAT
b7ccee3c
LP		 266static char *sysv_translate_name(const char *name) {
267 char *r;
268
269 if (!(r = new(char, strlen(name) + sizeof(".service"))))
270 return NULL;
271
1bd8b818 272#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
5b819198
MB		 273 if (endswith(name, ".sh"))
274 /* Drop Debian-style .sh suffix */
275 strcpy(stpcpy(r, name) - 3, ".service");
276#endif
277#ifdef TARGET_SUSE
b7ccee3c
LP		 278 if (startswith(name, "boot."))
279 /* Drop SuSE-style boot. prefix */
280 strcpy(stpcpy(r, name + 5), ".service");
5b819198 281#endif
65530632 282#ifdef TARGET_FRUGALWARE
5b819198 283 if (startswith(name, "rc."))
65530632
MV		 284 /* Drop Frugalware-style rc. prefix */
285 strcpy(stpcpy(r, name + 3), ".service");
980900c1 286#endif
b7ccee3c
LP		 287 else
288 /* Normal init scripts */
289 strcpy(stpcpy(r, name), ".service");
290
291 return r;
292}
293
ee95669f 294static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
2c4104f0 295
a7d3cc26
LP		 296 /* We silently ignore the $ prefix here. According to the LSB
297 * spec it simply indicates whether something is a
298 * standardized name or a distribution-specific one. Since we
299 * just follow what already exists and do not introduce new
300 * uses or names we don't care who introduced a new name. */
301
2c4104f0 302 static const char * const table[] = {
6464aa08 303 /* LSB defined facilities */
a7d3cc26 304 "local_fs", SPECIAL_LOCAL_FS_TARGET,
6fdae8a6
DM		 305#if defined(TARGET_MANDRIVA) || defined(TARGET_MAGEIA)
306#else
8d0e38a2
LP		 307 /* Due to unfortunate name selection in Mandriva,
308 * $network is provided by network-up which is ordered
309 * after network which actually starts interfaces.
310 * To break the loop, just ignore it */
a7d3cc26 311 "network", SPECIAL_NETWORK_TARGET,
1de4d79b 312#endif
a7d3cc26
LP		 313 "named", SPECIAL_NSS_LOOKUP_TARGET,
314 "portmap", SPECIAL_RPCBIND_TARGET,
315 "remote_fs", SPECIAL_REMOTE_FS_TARGET,
316 "syslog", SPECIAL_SYSLOG_TARGET,
4466194c 317 "time", SPECIAL_TIME_SYNC_TARGET,
6464aa08 318
0b603b4e
KS		 319 /* common extensions */
320 "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
321 "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
322 "null", NULL,
323
1bd8b818 324#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
a7d3cc26 325 "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
3177a49c 326#endif
3177a49c
LP		 327
328#ifdef TARGET_FEDORA
a7d3cc26
LP		 329 "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
330 "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
331 "httpd", SPECIAL_HTTP_DAEMON_TARGET,
3177a49c 332#endif
a7d3cc26 333
0b603b4e
KS		 334#ifdef TARGET_SUSE
335 "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
336#endif
2c4104f0
LP		 337 };
338
339 unsigned i;
340 char *r;
ee95669f 341 const char *n;
2c4104f0 342
ee95669f
LP		 343 assert(name);
344 assert(_r);
a7d3cc26 345
ee95669f 346 n = *name == '$' ? name + 1 : name;
a7d3cc26 347
ee95669f 348 for (i = 0; i < ELEMENTSOF(table); i += 2) {
a7d3cc26 349
ee95669f
LP		 350 if (!streq(table[i], n))
351 continue;
2c4104f0 352
ee95669f
LP		 353 if (!table[i+1])
354 return 0;
355
356 if (!(r = strdup(table[i+1])))
357 return -ENOMEM;
358
359 goto finish;
360 }
2c4104f0 361
a7d3cc26 362 /* If we don't know this name, fallback heuristics to figure
0003d1ab 363 * out whether something is a target or a service alias. */
a7d3cc26 364
e83c7c0b
LP		 365 if (*name == '$') {
366 if (!unit_prefix_is_valid(n))
367 return -EINVAL;
368
ee95669f
LP		 369 /* Facilities starting with $ are most likely targets */
370 r = unit_name_build(n, NULL, ".target");
e83c7c0b 371 } else if (filename && streq(name, filename))
35b8ca3a 372 /* Names equaling the file name of the services are redundant */
ee95669f 373 return 0;
32159d3a 374 else
ee95669f
LP		 375 /* Everything else we assume to be normal service names */
376 r = sysv_translate_name(n);
2c4104f0 377
32159d3a 378 if (!r)
2c4104f0
LP		 379 return -ENOMEM;
380
381finish:
b4353094 382 *_r = r;
2c4104f0
LP		 383
384 return 1;
385}
386
56d748b4 387static int sysv_fix_order(Service *s) {
ac155bb8 388 Unit *other;
2c4104f0
LP		 389 int r;
390
391 assert(s);
392
393 if (s->sysv_start_priority < 0)
394 return 0;
395
23a177ef
LP		 396 /* For each pair of services where at least one lacks a LSB
397 * header, we use the start priority value to order things. */
2c4104f0 398
1124fe6f 399 LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
2c4104f0
LP		 400 Service *t;
401 UnitDependency d;
eeaafddc 402 bool special_s, special_t;
2c4104f0 403
595ed347 404 t = SERVICE(other);
2c4104f0
LP		 405
406 if (s == t)
407 continue;
9f151f29 408
1124fe6f 409 if (UNIT(t)->load_state != UNIT_LOADED)
9f151f29 410 continue;
2c4104f0
LP		 411
412 if (t->sysv_start_priority < 0)
413 continue;
414
51a1a79d
LP		 415 /* If both units have modern headers we don't care
416 * about the priorities */
1124fe6f
MS		 417 if ((UNIT(s)->fragment_path || s->sysv_has_lsb) &&
418 (UNIT(t)->fragment_path || t->sysv_has_lsb))
23a177ef
LP		 419 continue;
420
eeaafddc
LP		 421 special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
422 special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
423
424 if (special_t && !special_s)
425 d = UNIT_AFTER;
426 else if (special_s && !special_t)
427 d = UNIT_BEFORE;
428 else if (t->sysv_start_priority < s->sysv_start_priority)
2c4104f0
LP		 429 d = UNIT_AFTER;
430 else if (t->sysv_start_priority > s->sysv_start_priority)
431 d = UNIT_BEFORE;
432 else
433 continue;
434
435 /* FIXME: Maybe we should compare the name here lexicographically? */
436
da19d5c1 437 if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
2c4104f0
LP		 438 return r;
439 }
440
441 return 0;
442}
443
444static ExecCommand *exec_command_new(const char *path, const char *arg1) {
445 ExecCommand *c;
446
447 if (!(c = new0(ExecCommand, 1)))
448 return NULL;
449
450 if (!(c->path = strdup(path))) {
451 free(c);
452 return NULL;
453 }
454
455 if (!(c->argv = strv_new(path, arg1, NULL))) {
456 free(c->path);
457 free(c);
458 return NULL;
459 }
460
461 return c;
462}
463
464static int sysv_exec_commands(Service *s) {
465 ExecCommand *c;
466
467 assert(s);
468 assert(s->sysv_path);
469
470 if (!(c = exec_command_new(s->sysv_path, "start")))
471 return -ENOMEM;
472 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
473
474 if (!(c = exec_command_new(s->sysv_path, "stop")))
475 return -ENOMEM;
476 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
477
478 if (!(c = exec_command_new(s->sysv_path, "reload")))
479 return -ENOMEM;
480 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
481
482 return 0;
483}
484
e537352b 485static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 486 FILE *f;
487 Unit *u;
488 unsigned line = 0;
489 int r;
490 enum {
491 NORMAL,
492 DESCRIPTION,
493 LSB,
494 LSB_DESCRIPTION
495 } state = NORMAL;
0b5d26f9 496 char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description;
5f4b19f4 497 struct stat st;
23a177ef
LP		 498
499 assert(s);
500 assert(path);
2c4104f0
LP		 501
502 u = UNIT(s);
503
504 if (!(f = fopen(path, "re"))) {
505 r = errno == ENOENT ? 0 : -errno;
506 goto finish;
507 }
508
5f4b19f4
LP		 509 zero(st);
510 if (fstat(fileno(f), &st) < 0) {
511 r = -errno;
512 goto finish;
513 }
514
2c4104f0
LP		 515 free(s->sysv_path);
516 if (!(s->sysv_path = strdup(path))) {
517 r = -ENOMEM;
518 goto finish;
519 }
520
5f4b19f4
LP		 521 s->sysv_mtime = timespec_load(&st.st_mtim);
522
523 if (null_or_empty(&st)) {
ac155bb8 524 u->load_state = UNIT_MASKED;
5f4b19f4
LP		 525 r = 0;
526 goto finish;
527 }
528
2c4104f0
LP		 529 while (!feof(f)) {
530 char l[LINE_MAX], *t;
531
532 if (!fgets(l, sizeof(l), f)) {
533 if (feof(f))
534 break;
535
536 r = -errno;
537 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
538 goto finish;
539 }
540
541 line++;
542
543 t = strstrip(l);
544 if (*t != '#')
545 continue;
546
547 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
548 state = LSB;
23a177ef 549 s->sysv_has_lsb = true;
2c4104f0
LP		 550 continue;
551 }
552
553 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
554 state = NORMAL;
555 continue;
556 }
557
558 t++;
559 t += strspn(t, WHITESPACE);
560
561 if (state == NORMAL) {
562
563 /* Try to parse Red Hat style chkconfig headers */
564
c2b35af6 565 if (startswith_no_case(t, "chkconfig:")) {
2c4104f0 566 int start_priority;
8309400a 567 char runlevels[16], *k;
2c4104f0
LP		 568
569 state = NORMAL;
570
8309400a
LP		 571 if (sscanf(t+10, "%15s %i %*i",
572 runlevels,
573 &start_priority) != 2) {
2c4104f0
LP		 574
575 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
576 continue;
577 }
578
fbe9f3a9
LP		 579 /* A start priority gathered from the
580 * symlink farms is preferred over the
581 * data from the LSB header. */
8309400a 582 if (start_priority < 0 || start_priority > 99)
2c4104f0 583 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
ea87ca5a 584 else
8309400a
LP		 585 s->sysv_start_priority = start_priority;
586
587 char_array_0(runlevels);
588 k = delete_chars(runlevels, WHITESPACE "-");
589
590 if (k[0]) {
591 char *d;
592
593 if (!(d = strdup(k))) {
594 r = -ENOMEM;
595 goto finish;
596 }
597
598 free(s->sysv_runlevels);
599 s->sysv_runlevels = d;
2c4104f0
LP		 600 }
601
0b5d26f9 602 } else if (startswith_no_case(t, "description:")) {
2c4104f0
LP		 603
604 size_t k = strlen(t);
605 char *d;
0b5d26f9 606 const char *j;
2c4104f0
LP		 607
608 if (t[k-1] == '\\') {
609 state = DESCRIPTION;
610 t[k-1] = 0;
611 }
612
0b5d26f9
LP		 613 if ((j = strstrip(t+12)) && *j) {
614 if (!(d = strdup(j))) {
615 r = -ENOMEM;
616 goto finish;
617 }
618 } else
619 d = NULL;
2c4104f0 620
0b5d26f9
LP		 621 free(chkconfig_description);
622 chkconfig_description = d;
2c4104f0 623
c2b35af6 624 } else if (startswith_no_case(t, "pidfile:")) {
2c4104f0
LP		 625
626 char *fn;
627
628 state = NORMAL;
629
630 fn = strstrip(t+8);
631 if (!path_is_absolute(fn)) {
632 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
633 continue;
634 }
635
636 if (!(fn = strdup(fn))) {
637 r = -ENOMEM;
638 goto finish;
639 }
640
641 free(s->pid_file);
642 s->pid_file = fn;
643 }
644
645 } else if (state == DESCRIPTION) {
646
647 /* Try to parse Red Hat style description
648 * continuation */
649
650 size_t k = strlen(t);
0b5d26f9 651 char *j;
2c4104f0
LP		 652
653 if (t[k-1] == '\\')
654 t[k-1] = 0;
655 else
656 state = NORMAL;
657
0b5d26f9
LP		 658 if ((j = strstrip(t)) && *j) {
659 char *d = NULL;
660
661 if (chkconfig_description)
44d91056 662 d = join(chkconfig_description, " ", j, NULL);
0b5d26f9
LP		 663 else
664 d = strdup(j);
2c4104f0 665
0b5d26f9
LP		 666 if (!d) {
667 r = -ENOMEM;
668 goto finish;
669 }
670
671 free(chkconfig_description);
672 chkconfig_description = d;
673 }
2c4104f0
LP		 674
675 } else if (state == LSB || state == LSB_DESCRIPTION) {
676
c2b35af6 677 if (startswith_no_case(t, "Provides:")) {
2c4104f0
LP		 678 char *i, *w;
679 size_t z;
680
681 state = LSB;
682
f60f22df 683 FOREACH_WORD_QUOTED(w, z, t+9, i) {
2c4104f0
LP		 684 char *n, *m;
685
686 if (!(n = strndup(w, z))) {
687 r = -ENOMEM;
688 goto finish;
689 }
690
ee95669f 691 r = sysv_translate_facility(n, file_name_from_path(path), &m);
2c4104f0
LP		 692 free(n);
693
694 if (r < 0)
695 goto finish;
696
697 if (r == 0)
698 continue;
699
bd77d0fc
LP		 700 if (unit_name_to_type(m) == UNIT_SERVICE)
701 r = unit_add_name(u, m);
9700edb4
LP		 702 else
703 /* NB: SysV targets
704 * which are provided
705 * by a service are
706 * pulled in by the
707 * services, as an
708 * indication that the
709 * generic service is
710 * now available. This
711 * is strictly
712 * one-way. The
713 * targets do NOT pull
714 * in the SysV
715 * services! */
716 r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true);
bd77d0fc 717
2c4104f0 718 if (r < 0)
43a37549 719 log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 720
721 free(m);
2c4104f0
LP		 722 }
723
c2b35af6
LP		 724 } else if (startswith_no_case(t, "Required-Start:") ||
725 startswith_no_case(t, "Should-Start:") ||
726 startswith_no_case(t, "X-Start-Before:") ||
727 startswith_no_case(t, "X-Start-After:")) {
2c4104f0
LP		 728 char *i, *w;
729 size_t z;
730
731 state = LSB;
732
f60f22df 733 FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) {
2c4104f0
LP		 734 char *n, *m;
735
736 if (!(n = strndup(w, z))) {
737 r = -ENOMEM;
738 goto finish;
739 }
740
ee95669f 741 r = sysv_translate_facility(n, file_name_from_path(path), &m);
2c4104f0 742
e83c7c0b
LP		 743 if (r < 0) {
744 log_error("[%s:%u] Failed to translate LSB dependency %s, ignoring: %s", path, line, n, strerror(-r));
745 free(n);
746 continue;
747 }
748
749 free(n);
2c4104f0
LP		 750
751 if (r == 0)
752 continue;
753
c2b35af6 754 r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
2c4104f0
LP		 755
756 if (r < 0)
43a37549 757 log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 758
759 free(m);
2c4104f0 760 }
c2b35af6 761 } else if (startswith_no_case(t, "Default-Start:")) {
8309400a
LP		 762 char *k, *d;
763
764 state = LSB;
765
766 k = delete_chars(t+14, WHITESPACE "-");
767
768 if (k[0] != 0) {
769 if (!(d = strdup(k))) {
770 r = -ENOMEM;
771 goto finish;
772 }
773
774 free(s->sysv_runlevels);
775 s->sysv_runlevels = d;
776 }
2c4104f0 777
0b5d26f9
LP		 778 } else if (startswith_no_case(t, "Description:")) {
779 char *d, *j;
ed4c1cc6 780
2c4104f0
LP		 781 state = LSB_DESCRIPTION;
782
0b5d26f9
LP		 783 if ((j = strstrip(t+12)) && *j) {
784 if (!(d = strdup(j))) {
785 r = -ENOMEM;
786 goto finish;
787 }
788 } else
789 d = NULL;
2c4104f0 790
0b5d26f9
LP		 791 free(long_description);
792 long_description = d;
2c4104f0 793
ed4c1cc6 794 } else if (startswith_no_case(t, "Short-Description:")) {
0b5d26f9 795 char *d, *j;
2c4104f0 796
2c4104f0
LP		 797 state = LSB;
798
0b5d26f9
LP		 799 if ((j = strstrip(t+18)) && *j) {
800 if (!(d = strdup(j))) {
801 r = -ENOMEM;
802 goto finish;
803 }
804 } else
805 d = NULL;
2c4104f0 806
0b5d26f9
LP		 807 free(short_description);
808 short_description = d;
2c4104f0
LP		 809
810 } else if (state == LSB_DESCRIPTION) {
811
812 if (startswith(l, "#\t") || startswith(l, "# ")) {
0b5d26f9 813 char *j;
2c4104f0 814
0b5d26f9
LP		 815 if ((j = strstrip(t)) && *j) {
816 char *d = NULL;
817
818 if (long_description)
44d91056 819 d = join(long_description, " ", t, NULL);
0b5d26f9
LP		 820 else
821 d = strdup(j);
822
823 if (!d) {
824 r = -ENOMEM;
825 goto finish;
826 }
827
828 free(long_description);
829 long_description = d;
2c4104f0
LP		 830 }
831
2c4104f0
LP		 832 } else
833 state = LSB;
834 }
835 }
836 }
837
2c4104f0
LP		 838 if ((r = sysv_exec_commands(s)) < 0)
839 goto finish;
e51db373
TFH		 840 if (s->sysv_runlevels &&
841 chars_intersect(RUNLEVELS_BOOT, s->sysv_runlevels) &&
842 chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
843 /* Service has both boot and "up" runlevels
844 configured. Kill the "up" ones. */
845 delete_chars(s->sysv_runlevels, RUNLEVELS_UP);
846 }
2c4104f0 847
a40eb732 848 if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
0bc824be
LP		 849 /* If there a runlevels configured for this service
850 * but none of the standard ones, then we assume this
851 * is some special kind of service (which might be
852 * needed for early boot) and don't create any links
853 * to it. */
854
1124fe6f 855 UNIT(s)->default_dependencies = false;
09cd1ab1 856
09cd1ab1
LP		 857 /* Don't timeout special services during boot (like fsck) */
858 s->timeout_usec = 0;
f34277d9
LP		 859 } else
860 s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC;
0fd030be 861
80876c20 862 /* Special setting for all SysV services */
1f48cf56 863 s->type = SERVICE_FORKING;
f8788303 864 s->remain_after_exit = !s->pid_file;
1835f23c 865 s->guess_main_pid = false;
525ee6f4 866 s->restart = SERVICE_RESTART_NO;
4dfc092a 867
1124fe6f 868 if (UNIT(s)->manager->sysv_console)
706343f4 869 s->exec_context.std_output = EXEC_OUTPUT_JOURNAL_AND_CONSOLE;
4dfc092a 870
cd25cce9 871 s->exec_context.kill_mode = KILL_PROCESS;
80876c20 872
0b5d26f9
LP		 873 /* We use the long description only if
874 * no short description is set. */
875
876 if (short_description)
877 description = short_description;
878 else if (chkconfig_description)
879 description = chkconfig_description;
880 else if (long_description)
881 description = long_description;
882 else
883 description = NULL;
884
885 if (description) {
886 char *d;
887
e527618d 888 if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) {
0b5d26f9
LP		 889 r = -ENOMEM;
890 goto finish;
891 }
892
ac155bb8 893 u->description = d;
0b5d26f9
LP		 894 }
895
ea87ca5a
LP		 896 /* The priority that has been set in /etc/rcN.d/ hierarchies
897 * takes precedence over what is stored as default in the LSB
898 * header */
899 if (s->sysv_start_priority_from_rcnd >= 0)
900 s->sysv_start_priority = s->sysv_start_priority_from_rcnd;
901
ac155bb8 902 u->load_state = UNIT_LOADED;
23a177ef 903 r = 0;
2c4104f0
LP		 904
905finish:
906
907 if (f)
908 fclose(f);
909
0b5d26f9
LP		 910 free(short_description);
911 free(long_description);
912 free(chkconfig_description);
913
2c4104f0
LP		 914 return r;
915}
916
e537352b 917static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 918 char **p;
919
920 assert(s);
921 assert(name);
922
e1992852 923 /* For SysV services we strip the boot.*, rc.* and *.sh
d017c6ca 924 * prefixes/suffixes. */
1bd8b818 925#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
5b819198 926 if (endswith(name, ".sh.service"))
d017c6ca 927 return -ENOENT;
5b819198
MB		 928#endif
929
930#ifdef TARGET_SUSE
931 if (startswith(name, "boot."))
932 return -ENOENT;
933#endif
934
935#ifdef TARGET_FRUGALWARE
936 if (startswith(name, "rc."))
937 return -ENOENT;
938#endif
d017c6ca 939
1124fe6f 940 STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
2c4104f0
LP		 941 char *path;
942 int r;
943
44d91056
LP		 944 path = join(*p, "/", name, NULL);
945 if (!path)
2c4104f0
LP		 946 return -ENOMEM;
947
948 assert(endswith(path, ".service"));
949 path[strlen(path)-8] = 0;
950
e537352b 951 r = service_load_sysv_path(s, path);
fbe9f3a9 952
1bd8b818 953#if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_ANGSTROM)
1124fe6f 954 if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
e1992852 955 /* Try Debian style *.sh source'able init scripts */
fbe9f3a9
LP		 956 strcat(path, ".sh");
957 r = service_load_sysv_path(s, path);
958 }
e1992852 959#endif
2c4104f0
LP		 960 free(path);
961
e1992852 962#ifdef TARGET_SUSE
1124fe6f 963 if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
e1992852 964 /* Try SUSE style boot.* init scripts */
fbe9f3a9 965
44d91056
LP		 966 path = join(*p, "/boot.", name, NULL);
967 if (!path)
fbe9f3a9
LP		 968 return -ENOMEM;
969
e1992852 970 /* Drop .service suffix */
fbe9f3a9
LP		 971 path[strlen(path)-8] = 0;
972 r = service_load_sysv_path(s, path);
973 free(path);
974 }
e1992852 975#endif
fbe9f3a9 976
e1992852 977#ifdef TARGET_FRUGALWARE
1124fe6f 978 if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
e1992852 979 /* Try Frugalware style rc.* init scripts */
65530632 980
44d91056
LP		 981 path = join(*p, "/rc.", name, NULL);
982 if (!path)
65530632
MV		 983 return -ENOMEM;
984
e1992852 985 /* Drop .service suffix */
65530632
MV		 986 path[strlen(path)-8] = 0;
987 r = service_load_sysv_path(s, path);
988 free(path);
989 }
e1992852 990#endif
65530632 991
23a177ef 992 if (r < 0)
2c4104f0 993 return r;
23a177ef 994
1124fe6f 995 if ((UNIT(s)->load_state != UNIT_STUB))
23a177ef 996 break;
2c4104f0
LP		 997 }
998
999 return 0;
1000}
1001
e537352b 1002static int service_load_sysv(Service *s) {
2c4104f0
LP		 1003 const char *t;
1004 Iterator i;
1005 int r;
1006
5cb5a6ff
LP		 1007 assert(s);
1008
1009 /* Load service data from SysV init scripts, preferably with
1010 * LSB headers ... */
1011
1124fe6f 1012 if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path))
2c4104f0
LP		 1013 return 0;
1014
1124fe6f 1015 if ((t = UNIT(s)->id))
e537352b 1016 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 1017 return r;
1018
1124fe6f
MS		 1019 if (UNIT(s)->load_state == UNIT_STUB)
1020 SET_FOREACH(t, UNIT(s)->names, i) {
1021 if (t == UNIT(s)->id)
e537352b
LP		 1022 continue;
1023
e364ad06 1024 if ((r = service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 1025 return r;
1026
1124fe6f 1027 if (UNIT(s)->load_state != UNIT_STUB)
23a177ef
LP		 1028 break;
1029 }
2c4104f0
LP		 1030
1031 return 0;
5cb5a6ff 1032}
07459bb6 1033#endif
5cb5a6ff 1034
9fff8a1f 1035static int fsck_fix_order(Service *s) {
ac155bb8 1036 Unit *other;
9fff8a1f
LP		 1037 int r;
1038
1039 assert(s);
1040
1041 if (s->fsck_passno <= 0)
1042 return 0;
1043
1044 /* For each pair of services where both have an fsck priority
1045 * we order things based on it. */
1046
1124fe6f 1047 LIST_FOREACH(units_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
9fff8a1f
LP		 1048 Service *t;
1049 UnitDependency d;
1050
595ed347 1051 t = SERVICE(other);
9fff8a1f
LP		 1052
1053 if (s == t)
1054 continue;
1055
1124fe6f 1056 if (UNIT(t)->load_state != UNIT_LOADED)
9fff8a1f
LP		 1057 continue;
1058
1059 if (t->fsck_passno <= 0)
1060 continue;
1061
1062 if (t->fsck_passno < s->fsck_passno)
1063 d = UNIT_AFTER;
1064 else if (t->fsck_passno > s->fsck_passno)
1065 d = UNIT_BEFORE;
1066 else
1067 continue;
1068
da19d5c1 1069 if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
9fff8a1f
LP		 1070 return r;
1071 }
1072
1073 return 0;
1074}
1075
243b1432
LP		 1076static int service_verify(Service *s) {
1077 assert(s);
1078
1124fe6f 1079 if (UNIT(s)->load_state != UNIT_LOADED)
243b1432
LP		 1080 return 0;
1081
1082 if (!s->exec_command[SERVICE_EXEC_START]) {
1124fe6f 1083 log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->id);
243b1432
LP		 1084 return -EINVAL;
1085 }
1086
34e9ba66
LP		 1087 if (s->type != SERVICE_ONESHOT &&
1088 s->exec_command[SERVICE_EXEC_START]->command_next) {
1124fe6f 1089 log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
6cf6bbc2
LP		 1090 return -EINVAL;
1091 }
1092
c06b7a15
LP		 1093 if (s->type == SERVICE_ONESHOT &&
1094 s->exec_command[SERVICE_EXEC_RELOAD]) {
1124fe6f 1095 log_error("%s has an ExecReload setting, which is not allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
c06b7a15
LP		 1096 return -EINVAL;
1097 }
1098
05e343b7 1099 if (s->type == SERVICE_DBUS && !s->bus_name) {
1124fe6f 1100 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->id);
4d0e5dbd
LP		 1101 return -EINVAL;
1102 }
1103
2e22afe9 1104 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
1124fe6f 1105 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", UNIT(s)->id);
05e343b7
LP		 1106 return -EINVAL;
1107 }
1108
243b1432
LP		 1109 return 0;
1110}
1111
a40eb732
LP		 1112static int service_add_default_dependencies(Service *s) {
1113 int r;
1114
1115 assert(s);
1116
1117 /* Add a number of automatic dependencies useful for the
1118 * majority of services. */
1119
1120 /* First, pull in base system */
1124fe6f 1121 if (UNIT(s)->manager->running_as == MANAGER_SYSTEM) {
a40eb732
LP		 1122
1123 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
1124 return r;
1125
1124fe6f 1126 } else if (UNIT(s)->manager->running_as == MANAGER_USER) {
a40eb732
LP		 1127
1128 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
1129 return r;
1130 }
1131
1132 /* Second, activate normal shutdown */
ead8e478 1133 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 1134}
1135
4dfc092a
LP		 1136static void service_fix_output(Service *s) {
1137 assert(s);
1138
1139 /* If nothing has been explicitly configured, patch default
1140 * output in. If input is socket/tty we avoid this however,
1141 * since in that case we want output to default to the same
1142 * place as we read input from. */
1143
1144 if (s->exec_context.std_error == EXEC_OUTPUT_INHERIT &&
1145 s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
1146 s->exec_context.std_input == EXEC_INPUT_NULL)
1124fe6f 1147 s->exec_context.std_error = UNIT(s)->manager->default_std_error;
4dfc092a
LP		 1148
1149 if (s->exec_context.std_output == EXEC_OUTPUT_INHERIT &&
1150 s->exec_context.std_input == EXEC_INPUT_NULL)
1124fe6f 1151 s->exec_context.std_output = UNIT(s)->manager->default_std_output;
4dfc092a
LP		 1152}
1153
e537352b
LP		 1154static int service_load(Unit *u) {
1155 int r;
1156 Service *s = SERVICE(u);
1157
1158 assert(s);
1e2e8133 1159
5cb5a6ff 1160 /* Load a .service file */
e537352b 1161 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 1162 return r;
1163
07459bb6 1164#ifdef HAVE_SYSV_COMPAT
bd77d0fc 1165 /* Load a classic init script as a fallback, if we couldn't find anything */
ac155bb8 1166 if (u->load_state == UNIT_STUB)
e537352b 1167 if ((r = service_load_sysv(s)) < 0)
23a177ef 1168 return r;
07459bb6 1169#endif
d46de8a1 1170
23a177ef 1171 /* Still nothing found? Then let's give up */
ac155bb8 1172 if (u->load_state == UNIT_STUB)
23a177ef 1173 return -ENOENT;
034c6ed7 1174
23a177ef
LP		 1175 /* We were able to load something, then let's add in the
1176 * dropin directories. */
1177 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 1178 return r;
23a177ef
LP		 1179
1180 /* This is a new unit? Then let's add in some extras */
ac155bb8 1181 if (u->load_state == UNIT_LOADED) {
4e2b0f9b
LP		 1182 service_fix_output(s);
1183
23a177ef
LP		 1184 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
1185 return r;
1186
d686d8a9 1187 if ((r = unit_add_default_cgroups(u)) < 0)
23a177ef
LP		 1188 return r;
1189
07459bb6 1190#ifdef HAVE_SYSV_COMPAT
56d748b4 1191 if ((r = sysv_fix_order(s)) < 0)
23a177ef 1192 return r;
07459bb6 1193#endif
05e343b7 1194
9fff8a1f
LP		 1195 if ((r = fsck_fix_order(s)) < 0)
1196 return r;
1197
ee0dd802 1198 if (s->bus_name)
05e343b7 1199 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
a40eb732 1200 return r;
c952c6ec
LP		 1201
1202 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
1203 s->notify_access = NOTIFY_MAIN;
a40eb732
LP		 1204
1205 if (s->type == SERVICE_DBUS || s->bus_name)
177b3ffe 1206 if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_SOCKET, NULL, true)) < 0)
a40eb732
LP		 1207 return r;
1208
1124fe6f 1209 if (UNIT(s)->default_dependencies)
a40eb732
LP		 1210 if ((r = service_add_default_dependencies(s)) < 0)
1211 return r;
8e274523
LP		 1212 }
1213
243b1432 1214 return service_verify(s);
034c6ed7
LP		 1215}
1216
87f0e418 1217static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 1218
5cb5a6ff 1219 ServiceExecCommand c;
87f0e418 1220 Service *s = SERVICE(u);
47be870b
LP		 1221 const char *prefix2;
1222 char *p2;
5cb5a6ff
LP		 1223
1224 assert(s);
1225
47be870b
LP		 1226 p2 = strappend(prefix, "\t");
1227 prefix2 = p2 ? p2 : prefix;
44d8db9e 1228
5cb5a6ff 1229 fprintf(f,
81a2b7ce
LP		 1230 "%sService State: %s\n"
1231 "%sPermissionsStartOnly: %s\n"
8e274523 1232 "%sRootDirectoryStartOnly: %s\n"
02ee865a 1233 "%sRemainAfterExit: %s\n"
3185a36b 1234 "%sGuessMainPID: %s\n"
c952c6ec 1235 "%sType: %s\n"
2cf3143a 1236 "%sRestart: %s\n"
c952c6ec 1237 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 1238 prefix, service_state_to_string(s->state),
1239 prefix, yes_no(s->permissions_start_only),
8e274523 1240 prefix, yes_no(s->root_directory_start_only),
02ee865a 1241 prefix, yes_no(s->remain_after_exit),
3185a36b 1242 prefix, yes_no(s->guess_main_pid),
c952c6ec 1243 prefix, service_type_to_string(s->type),
2cf3143a 1244 prefix, service_restart_to_string(s->restart),
c952c6ec 1245 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 1246
70123e68
LP		 1247 if (s->control_pid > 0)
1248 fprintf(f,
bb00e604
LP		 1249 "%sControl PID: %lu\n",
1250 prefix, (unsigned long) s->control_pid);
70123e68
LP		 1251
1252 if (s->main_pid > 0)
1253 fprintf(f,
6dfa5494
LP		 1254 "%sMain PID: %lu\n"
1255 "%sMain PID Known: %s\n"
1256 "%sMain PID Alien: %s\n",
1257 prefix, (unsigned long) s->main_pid,
1258 prefix, yes_no(s->main_pid_known),
1259 prefix, yes_no(s->main_pid_alien));
70123e68 1260
034c6ed7
LP		 1261 if (s->pid_file)
1262 fprintf(f,
1263 "%sPIDFile: %s\n",
1264 prefix, s->pid_file);
1265
05e343b7
LP		 1266 if (s->bus_name)
1267 fprintf(f,
1268 "%sBusName: %s\n"
1269 "%sBus Name Good: %s\n",
1270 prefix, s->bus_name,
1271 prefix, yes_no(s->bus_name_good));
1272
5cb5a6ff
LP		 1273 exec_context_dump(&s->exec_context, f, prefix);
1274
e537352b 1275 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 1276
44d8db9e
LP		 1277 if (!s->exec_command[c])
1278 continue;
1279
40d50879 1280 fprintf(f, "%s-> %s:\n",
94f04347 1281 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 1282
1283 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 1284 }
44d8db9e 1285
07459bb6 1286#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 1287 if (s->sysv_path)
1288 fprintf(f,
23a177ef 1289 "%sSysV Init Script Path: %s\n"
9fff8a1f
LP		 1290 "%sSysV Init Script has LSB Header: %s\n"
1291 "%sSysVEnabled: %s\n",
23a177ef 1292 prefix, s->sysv_path,
9fff8a1f
LP		 1293 prefix, yes_no(s->sysv_has_lsb),
1294 prefix, yes_no(s->sysv_enabled));
2c4104f0
LP		 1295
1296 if (s->sysv_start_priority >= 0)
1297 fprintf(f,
9fff8a1f
LP		 1298 "%sSysVStartPriority: %i\n",
1299 prefix, s->sysv_start_priority);
2c4104f0 1300
8309400a
LP		 1301 if (s->sysv_runlevels)
1302 fprintf(f, "%sSysVRunLevels: %s\n",
1303 prefix, s->sysv_runlevels);
07459bb6 1304#endif
23a177ef 1305
9fff8a1f
LP		 1306 if (s->fsck_passno > 0)
1307 fprintf(f,
1308 "%sFsckPassNo: %i\n",
1309 prefix, s->fsck_passno);
1310
8c47c732
LP		 1311 if (s->status_text)
1312 fprintf(f, "%sStatus Text: %s\n",
1313 prefix, s->status_text);
1314
47be870b 1315 free(p2);
5cb5a6ff
LP		 1316}
1317
c5419d42 1318static int service_load_pid_file(Service *s, bool may_warn) {
034c6ed7 1319 char *k;
034c6ed7 1320 int r;
5925dd3c 1321 pid_t pid;
034c6ed7
LP		 1322
1323 assert(s);
1324
034c6ed7 1325 if (!s->pid_file)
13230d5d 1326 return -ENOENT;
034c6ed7 1327
5375410b 1328 if ((r = read_one_line_file(s->pid_file, &k)) < 0) {
c5419d42 1329 if (may_warn)
3a111838
MS		 1330 log_info("PID file %s not readable (yet?) after %s.",
1331 s->pid_file, service_state_to_string(s->state));
034c6ed7 1332 return r;
5375410b 1333 }
034c6ed7 1334
5925dd3c
LP		 1335 r = parse_pid(k, &pid);
1336 free(k);
034c6ed7 1337
5925dd3c
LP		 1338 if (r < 0)
1339 return r;
406eaf93 1340
5925dd3c 1341 if (kill(pid, 0) < 0 && errno != EPERM) {
c5419d42 1342 if (may_warn)
3a111838
MS		 1343 log_info("PID %lu read from file %s does not exist.",
1344 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 1345 return -ESRCH;
1346 }
1347
db01f8b3
MS		 1348 if (s->main_pid_known) {
1349 if (pid == s->main_pid)
1350 return 0;
1351
1352 log_debug("Main PID changing: %lu -> %lu",
1353 (unsigned long) s->main_pid, (unsigned long) pid);
1354 service_unwatch_main_pid(s);
1355 s->main_pid_known = false;
3a111838
MS		 1356 } else
1357 log_debug("Main PID loaded: %lu", (unsigned long) pid);
db01f8b3 1358
5925dd3c 1359 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 1360 return r;
1361
5925dd3c
LP		 1362 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1363 /* FIXME: we need to do something here */
1364 return r;
034c6ed7
LP		 1365
1366 return 0;
1367}
1368
4fbf50b3
LP		 1369static int service_search_main_pid(Service *s) {
1370 pid_t pid;
1371 int r;
1372
1373 assert(s);
1374
3185a36b
LP		 1375 /* If we know it anyway, don't ever fallback to unreliable
1376 * heuristics */
4fbf50b3
LP		 1377 if (s->main_pid_known)
1378 return 0;
1379
3185a36b
LP		 1380 if (!s->guess_main_pid)
1381 return 0;
1382
4fbf50b3
LP		 1383 assert(s->main_pid <= 0);
1384
1124fe6f 1385 if ((pid = cgroup_bonding_search_main_pid_list(UNIT(s)->cgroup_bondings)) <= 0)
4fbf50b3
LP		 1386 return -ENOENT;
1387
3a111838 1388 log_debug("Main PID guessed: %lu", (unsigned long) pid);
4fbf50b3
LP		 1389 if ((r = service_set_main_pid(s, pid)) < 0)
1390 return r;
1391
1392 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1393 /* FIXME: we need to do something here */
1394 return r;
1395
1396 return 0;
1397}
1398
57020a3a 1399static void service_notify_sockets_dead(Service *s) {
ceee3d82 1400 Iterator i;
57020a3a 1401 Unit *u;
3e33402a
LP		 1402
1403 assert(s);
1404
f976f3f6
LP		 1405 /* Notifies all our sockets when we die */
1406
6cf6bbc2 1407 if (s->socket_fd >= 0)
57020a3a 1408 return;
3e33402a 1409
1124fe6f 1410 SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i)
ac155bb8 1411 if (u->type == UNIT_SOCKET)
57020a3a 1412 socket_notify_service_dead(SOCKET(u));
3e33402a 1413
57020a3a 1414 return;
ceee3d82
LP		 1415}
1416
034c6ed7
LP		 1417static void service_set_state(Service *s, ServiceState state) {
1418 ServiceState old_state;
5cb5a6ff
LP		 1419 assert(s);
1420
034c6ed7 1421 old_state = s->state;
5cb5a6ff 1422 s->state = state;
034c6ed7 1423
3a111838
MS		 1424 service_unwatch_pid_file(s);
1425
034c6ed7
LP		 1426 if (state != SERVICE_START_PRE &&
1427 state != SERVICE_START &&
1428 state != SERVICE_START_POST &&
1429 state != SERVICE_RELOAD &&
1430 state != SERVICE_STOP &&
1431 state != SERVICE_STOP_SIGTERM &&
1432 state != SERVICE_STOP_SIGKILL &&
1433 state != SERVICE_STOP_POST &&
1434 state != SERVICE_FINAL_SIGTERM &&
1435 state != SERVICE_FINAL_SIGKILL &&
1436 state != SERVICE_AUTO_RESTART)
acbb0225 1437 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1438
7d55e835
LP		 1439 if (state != SERVICE_START &&
1440 state != SERVICE_START_POST &&
034c6ed7
LP		 1441 state != SERVICE_RUNNING &&
1442 state != SERVICE_RELOAD &&
1443 state != SERVICE_STOP &&
1444 state != SERVICE_STOP_SIGTERM &&
867b3b7d 1445 state != SERVICE_STOP_SIGKILL) {
5e94833f 1446 service_unwatch_main_pid(s);
867b3b7d
LP		 1447 s->main_command = NULL;
1448 }
034c6ed7
LP		 1449
1450 if (state != SERVICE_START_PRE &&
1451 state != SERVICE_START &&
1452 state != SERVICE_START_POST &&
1453 state != SERVICE_RELOAD &&
1454 state != SERVICE_STOP &&
1455 state != SERVICE_STOP_SIGTERM &&
1456 state != SERVICE_STOP_SIGKILL &&
1457 state != SERVICE_STOP_POST &&
1458 state != SERVICE_FINAL_SIGTERM &&
e537352b 1459 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1460 service_unwatch_control_pid(s);
034c6ed7 1461 s->control_command = NULL;
a16e1123 1462 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1463 }
034c6ed7 1464
ceee3d82
LP		 1465 if (state == SERVICE_DEAD ||
1466 state == SERVICE_STOP ||
1467 state == SERVICE_STOP_SIGTERM ||
1468 state == SERVICE_STOP_SIGKILL ||
1469 state == SERVICE_STOP_POST ||
1470 state == SERVICE_FINAL_SIGTERM ||
1471 state == SERVICE_FINAL_SIGKILL ||
fdf20a31 1472 state == SERVICE_FAILED ||
ceee3d82 1473 state == SERVICE_AUTO_RESTART)
e537352b 1474 service_notify_sockets_dead(s);
ceee3d82 1475
4f2d528d
LP		 1476 if (state != SERVICE_START_PRE &&
1477 state != SERVICE_START &&
6cf6bbc2
LP		 1478 state != SERVICE_START_POST &&
1479 state != SERVICE_RUNNING &&
1480 state != SERVICE_RELOAD &&
1481 state != SERVICE_STOP &&
1482 state != SERVICE_STOP_SIGTERM &&
1483 state != SERVICE_STOP_SIGKILL &&
1484 state != SERVICE_STOP_POST &&
1485 state != SERVICE_FINAL_SIGTERM &&
1486 state != SERVICE_FINAL_SIGKILL &&
1124fe6f 1487 !(state == SERVICE_DEAD && UNIT(s)->job)) {
4f2d528d 1488 service_close_socket_fd(s);
6cf6bbc2
LP		 1489 service_connection_unref(s);
1490 }
4f2d528d 1491
a6927d7f
MO		 1492 if (state == SERVICE_STOP)
1493 service_stop_watchdog(s);
1494
f6023656
LP		 1495 /* For the inactive states unit_notify() will trim the cgroup,
1496 * but for exit we have to do that ourselves... */
1124fe6f
MS		 1497 if (state == SERVICE_EXITED && UNIT(s)->manager->n_reloading <= 0)
1498 cgroup_bonding_trim_list(UNIT(s)->cgroup_bondings, true);
f6023656 1499
e537352b 1500 if (old_state != state)
1124fe6f 1501 log_debug("%s changed %s -> %s", UNIT(s)->id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225 1502
e2f3b44c
LP		 1503 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state], !s->reload_failure);
1504 s->reload_failure = false;
034c6ed7
LP		 1505}
1506
a16e1123
LP		 1507static int service_coldplug(Unit *u) {
1508 Service *s = SERVICE(u);
1509 int r;
1510
1511 assert(s);
1512 assert(s->state == SERVICE_DEAD);
1513
1514 if (s->deserialized_state != s->state) {
1515
1516 if (s->deserialized_state == SERVICE_START_PRE ||
1517 s->deserialized_state == SERVICE_START ||
1518 s->deserialized_state == SERVICE_START_POST ||
1519 s->deserialized_state == SERVICE_RELOAD ||
1520 s->deserialized_state == SERVICE_STOP ||
1521 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1522 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1523 s->deserialized_state == SERVICE_STOP_POST ||
1524 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1525 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1526 s->deserialized_state == SERVICE_AUTO_RESTART) {
1527
1528 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1529 usec_t k;
1530
1531 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1532
1533 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1534 return r;
1535 }
1536 }
a16e1123
LP		 1537
1538 if ((s->deserialized_state == SERVICE_START &&
1539 (s->type == SERVICE_FORKING ||
8c47c732 1540 s->type == SERVICE_DBUS ||
34e9ba66 1541 s->type == SERVICE_ONESHOT ||
8c47c732 1542 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1543 s->deserialized_state == SERVICE_START_POST ||
1544 s->deserialized_state == SERVICE_RUNNING ||
1545 s->deserialized_state == SERVICE_RELOAD ||
1546 s->deserialized_state == SERVICE_STOP ||
1547 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1548 s->deserialized_state == SERVICE_STOP_SIGKILL)
1549 if (s->main_pid > 0)
1550 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1551 return r;
1552
1553 if (s->deserialized_state == SERVICE_START_PRE ||
1554 s->deserialized_state == SERVICE_START ||
1555 s->deserialized_state == SERVICE_START_POST ||
1556 s->deserialized_state == SERVICE_RELOAD ||
1557 s->deserialized_state == SERVICE_STOP ||
1558 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1559 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1560 s->deserialized_state == SERVICE_STOP_POST ||
1561 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1562 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1563 if (s->control_pid > 0)
1564 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1565 return r;
1566
1567 service_set_state(s, s->deserialized_state);
1568 }
1569
1570 return 0;
1571}
1572
44d8db9e
LP		 1573static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1574 Iterator i;
1575 int r;
1576 int *rfds = NULL;
1577 unsigned rn_fds = 0;
57020a3a 1578 Unit *u;
44d8db9e
LP		 1579
1580 assert(s);
1581 assert(fds);
1582 assert(n_fds);
1583
6cf6bbc2
LP		 1584 if (s->socket_fd >= 0)
1585 return 0;
1586
1124fe6f 1587 SET_FOREACH(u, UNIT(s)->dependencies[UNIT_TRIGGERED_BY], i) {
44d8db9e
LP		 1588 int *cfds;
1589 unsigned cn_fds;
57020a3a
LP		 1590 Socket *sock;
1591
ac155bb8 1592 if (u->type != UNIT_SOCKET)
57020a3a
LP		 1593 continue;
1594
1595 sock = SOCKET(u);
44d8db9e 1596
47be870b 1597 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1598 goto fail;
1599
1600 if (!cfds)
1601 continue;
1602
1603 if (!rfds) {
1604 rfds = cfds;
1605 rn_fds = cn_fds;
1606 } else {
1607 int *t;
1608
1609 if (!(t = new(int, rn_fds+cn_fds))) {
1610 free(cfds);
1611 r = -ENOMEM;
1612 goto fail;
1613 }
1614
9c1b183c
LP		 1615 memcpy(t, rfds, rn_fds * sizeof(int));
1616 memcpy(t+rn_fds, cfds, cn_fds * sizeof(int));
44d8db9e
LP		 1617 free(rfds);
1618 free(cfds);
1619
1620 rfds = t;
1621 rn_fds = rn_fds+cn_fds;
1622 }
1623 }
1624
1625 *fds = rfds;
1626 *n_fds = rn_fds;
3e33402a 1627
44d8db9e
LP		 1628 return 0;
1629
1630fail:
1631 free(rfds);
3e33402a 1632
44d8db9e
LP		 1633 return r;
1634}
1635
81a2b7ce
LP		 1636static int service_spawn(
1637 Service *s,
1638 ExecCommand *c,
1639 bool timeout,
1640 bool pass_fds,
1641 bool apply_permissions,
1642 bool apply_chroot,
1e3ad081 1643 bool apply_tty_stdin,
c952c6ec 1644 bool set_notify_socket,
81a2b7ce
LP		 1645 pid_t *_pid) {
1646
034c6ed7
LP		 1647 pid_t pid;
1648 int r;
6cf6bbc2 1649 int *fds = NULL, *fdsbuf = NULL;
2105e76a
LP		 1650 unsigned n_fds = 0, n_env = 0;
1651 char **argv = NULL, **final_env = NULL, **our_env = NULL;
034c6ed7
LP		 1652
1653 assert(s);
1654 assert(c);
1655 assert(_pid);
1656
6cf6bbc2
LP		 1657 if (pass_fds ||
1658 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1659 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1660 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1661
4f2d528d
LP		 1662 if (s->socket_fd >= 0) {
1663 fds = &s->socket_fd;
1664 n_fds = 1;
6cf6bbc2
LP		 1665 } else {
1666 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1667 goto fail;
1668
1669 fds = fdsbuf;
1670 }
4f2d528d 1671 }
44d8db9e 1672
e558336f 1673 if (timeout && s->timeout_usec) {
acbb0225 1674 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1675 goto fail;
1676 } else
acbb0225 1677 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1678
9e2f7c11
LP		 1679 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1680 r = -ENOMEM;
1681 goto fail;
1682 }
1683
9865f3b4 1684 if (!(our_env = new0(char*, 4))) {
2105e76a
LP		 1685 r = -ENOMEM;
1686 goto fail;
1687 }
c952c6ec 1688
2105e76a 1689 if (set_notify_socket)
1124fe6f 1690 if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=%s", UNIT(s)->manager->notify_socket) < 0) {
c952c6ec
LP		 1691 r = -ENOMEM;
1692 goto fail;
1693 }
1694
2105e76a
LP		 1695 if (s->main_pid > 0)
1696 if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
c952c6ec
LP		 1697 r = -ENOMEM;
1698 goto fail;
1699 }
2105e76a
LP		 1700
1701 if (!(final_env = strv_env_merge(2,
1124fe6f 1702 UNIT(s)->manager->environment,
2105e76a
LP		 1703 our_env,
1704 NULL))) {
1705 r = -ENOMEM;
1706 goto fail;
1707 }
c952c6ec 1708
9e2f7c11
LP		 1709 r = exec_spawn(c,
1710 argv,
1711 &s->exec_context,
1712 fds, n_fds,
2105e76a 1713 final_env,
9e2f7c11
LP		 1714 apply_permissions,
1715 apply_chroot,
1e3ad081 1716 apply_tty_stdin,
1124fe6f
MS		 1717 UNIT(s)->manager->confirm_spawn,
1718 UNIT(s)->cgroup_bondings,
1719 UNIT(s)->cgroup_attributes,
9e2f7c11
LP		 1720 &pid);
1721
9e2f7c11 1722 if (r < 0)
034c6ed7
LP		 1723 goto fail;
1724
4f2d528d 1725
87f0e418 1726 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1727 /* FIXME: we need to do something here */
1728 goto fail;
1729
2105e76a
LP		 1730 free(fdsbuf);
1731 strv_free(argv);
1732 strv_free(our_env);
1733 strv_free(final_env);
1734
034c6ed7
LP		 1735 *_pid = pid;
1736
5cb5a6ff 1737 return 0;
034c6ed7
LP		 1738
1739fail:
2105e76a 1740 free(fdsbuf);
c952c6ec 1741 strv_free(argv);
2105e76a
LP		 1742 strv_free(our_env);
1743 strv_free(final_env);
c952c6ec 1744
034c6ed7 1745 if (timeout)
acbb0225 1746 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1747
1748 return r;
1749}
1750
80876c20
LP		 1751static int main_pid_good(Service *s) {
1752 assert(s);
1753
1754 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1755 * don't know */
1756
1757 /* If we know the pid file, then lets just check if it is
1758 * still valid */
6dfa5494
LP		 1759 if (s->main_pid_known) {
1760
1761 /* If it's an alien child let's check if it is still
1762 * alive ... */
1763 if (s->main_pid_alien)
1764 return kill(s->main_pid, 0) >= 0 || errno != ESRCH;
1765
1766 /* .. otherwise assume we'll get a SIGCHLD for it,
1767 * which we really should wait for to collect exit
1768 * status and code */
80876c20 1769 return s->main_pid > 0;
6dfa5494 1770 }
80876c20
LP		 1771
1772 /* We don't know the pid */
1773 return -EAGAIN;
1774}
1775
1776static int control_pid_good(Service *s) {
1777 assert(s);
1778
1779 return s->control_pid > 0;
1780}
1781
1782static int cgroup_good(Service *s) {
1783 int r;
1784
1785 assert(s);
1786
1124fe6f 1787 if ((r = cgroup_bonding_is_empty_list(UNIT(s)->cgroup_bondings)) < 0)
80876c20
LP		 1788 return r;
1789
1790 return !r;
1791}
1792
034c6ed7
LP		 1793static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1794 int r;
1795 assert(s);
1796
1797 if (!success)
1798 s->failure = true;
1799
1800 if (allow_restart &&
47342320 1801 !s->forbid_restart &&
034c6ed7 1802 (s->restart == SERVICE_RESTART_ALWAYS ||
50caaedb
LP		 1803 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) ||
1804 (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) ||
1805 (s->restart == SERVICE_RESTART_ON_ABORT && s->failure &&
1806 (s->main_exec_status.code == CLD_KILLED ||
1807 s->main_exec_status.code == CLD_DUMPED)))) {
034c6ed7 1808
acbb0225 1809 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1810 goto fail;
1811
1812 service_set_state(s, SERVICE_AUTO_RESTART);
1813 } else
fdf20a31 1814 service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
034c6ed7 1815
47342320
LP		 1816 s->forbid_restart = false;
1817
034c6ed7
LP		 1818 return;
1819
1820fail:
1124fe6f 1821 log_warning("%s failed to run install restart timer: %s", UNIT(s)->id, strerror(-r));
034c6ed7
LP		 1822 service_enter_dead(s, false, false);
1823}
1824
1825static void service_enter_signal(Service *s, ServiceState state, bool success);
1826
1827static void service_enter_stop_post(Service *s, bool success) {
1828 int r;
1829 assert(s);
1830
1831 if (!success)
1832 s->failure = true;
1833
5e94833f
LP		 1834 service_unwatch_control_pid(s);
1835
80876c20 1836 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
867b3b7d
LP		 1837 s->control_command_id = SERVICE_EXEC_STOP_POST;
1838
81a2b7ce
LP		 1839 if ((r = service_spawn(s,
1840 s->control_command,
1841 true,
1842 false,
1843 !s->permissions_start_only,
1844 !s->root_directory_start_only,
1e3ad081 1845 true,
c952c6ec 1846 false,
81a2b7ce 1847 &s->control_pid)) < 0)
034c6ed7
LP		 1848 goto fail;
1849
d6ea93e3 1850
80876c20
LP		 1851 service_set_state(s, SERVICE_STOP_POST);
1852 } else
1853 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1854
1855 return;
1856
1857fail:
1124fe6f 1858 log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->id, strerror(-r));
034c6ed7
LP		 1859 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1860}
1861
1862static void service_enter_signal(Service *s, ServiceState state, bool success) {
1863 int r;
ca949c9d
LP		 1864 Set *pid_set = NULL;
1865 bool wait_for_exit = false;
034c6ed7
LP		 1866
1867 assert(s);
1868
1869 if (!success)
1870 s->failure = true;
1871
2e22afe9
LP		 1872 if (s->exec_context.kill_mode != KILL_NONE) {
1873 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1874
ca949c9d 1875 if (s->main_pid > 0) {
cd25cce9 1876 if (kill_and_sigcont(s->main_pid, sig) < 0 && errno != ESRCH)
ca949c9d
LP		 1877 log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
1878 else
6dfa5494 1879 wait_for_exit = !s->main_pid_alien;
034c6ed7
LP		 1880 }
1881
ca949c9d 1882 if (s->control_pid > 0) {
cd25cce9 1883 if (kill_and_sigcont(s->control_pid, sig) < 0 && errno != ESRCH)
ca949c9d
LP		 1884 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1885 else
1886 wait_for_exit = true;
1887 }
50159e6a 1888
ca949c9d 1889 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
50159e6a 1890
ca949c9d
LP		 1891 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1892 r = -ENOMEM;
50159e6a 1893 goto fail;
ca949c9d
LP		 1894 }
1895
1896 /* Exclude the main/control pids from being killed via the cgroup */
1897 if (s->main_pid > 0)
1898 if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
1899 goto fail;
1900
1901 if (s->control_pid > 0)
1902 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1903 goto fail;
1904
1124fe6f 1905 if ((r = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, sig, true, pid_set)) < 0) {
ca949c9d
LP		 1906 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1907 log_warning("Failed to kill control group: %s", strerror(-r));
f5a50114 1908 } else if (r > 0)
ca949c9d
LP		 1909 wait_for_exit = true;
1910
1911 set_free(pid_set);
da19d5c1 1912 pid_set = NULL;
50159e6a 1913 }
d6ea93e3 1914 }
034c6ed7 1915
ca949c9d 1916 if (wait_for_exit) {
e558336f
LP		 1917 if (s->timeout_usec > 0)
1918 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1919 goto fail;
d6ea93e3 1920
80876c20
LP		 1921 service_set_state(s, state);
1922 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1923 service_enter_stop_post(s, true);
1924 else
034c6ed7
LP		 1925 service_enter_dead(s, true, true);
1926
1927 return;
1928
1929fail:
1124fe6f 1930 log_warning("%s failed to kill processes: %s", UNIT(s)->id, strerror(-r));
034c6ed7 1931
80876c20 1932 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1933 service_enter_stop_post(s, false);
1934 else
1935 service_enter_dead(s, false, true);
ca949c9d
LP		 1936
1937 if (pid_set)
1938 set_free(pid_set);
034c6ed7
LP		 1939}
1940
1941static void service_enter_stop(Service *s, bool success) {
1942 int r;
5925dd3c 1943
034c6ed7
LP		 1944 assert(s);
1945
1946 if (!success)
1947 s->failure = true;
1948
5e94833f
LP		 1949 service_unwatch_control_pid(s);
1950
80876c20 1951 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
867b3b7d
LP		 1952 s->control_command_id = SERVICE_EXEC_STOP;
1953
81a2b7ce
LP		 1954 if ((r = service_spawn(s,
1955 s->control_command,
1956 true,
1957 false,
1958 !s->permissions_start_only,
1959 !s->root_directory_start_only,
c952c6ec 1960 false,
1e3ad081 1961 false,
e55224ca 1962 &s->control_pid)) < 0)
034c6ed7
LP		 1963 goto fail;
1964
80876c20
LP		 1965 service_set_state(s, SERVICE_STOP);
1966 } else
034c6ed7
LP		 1967 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1968
1969 return;
1970
1971fail:
1124fe6f 1972 log_warning("%s failed to run 'stop' task: %s", UNIT(s)->id, strerror(-r));
034c6ed7
LP		 1973 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1974}
1975
80876c20 1976static void service_enter_running(Service *s, bool success) {
4eab639f 1977 int main_pid_ok, cgroup_ok;
80876c20
LP		 1978 assert(s);
1979
1980 if (!success)
1981 s->failure = true;
1982
4eab639f
LP		 1983 main_pid_ok = main_pid_good(s);
1984 cgroup_ok = cgroup_good(s);
1985
1986 if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
05e343b7 1987 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20 1988 service_set_state(s, SERVICE_RUNNING);
02ee865a 1989 else if (s->remain_after_exit)
80876c20
LP		 1990 service_set_state(s, SERVICE_EXITED);
1991 else
1992 service_enter_stop(s, true);
1993}
1994
034c6ed7
LP		 1995static void service_enter_start_post(Service *s) {
1996 int r;
1997 assert(s);
1998
5e94833f
LP		 1999 service_unwatch_control_pid(s);
2000
80876c20 2001 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
867b3b7d
LP		 2002 s->control_command_id = SERVICE_EXEC_START_POST;
2003
81a2b7ce
LP		 2004 if ((r = service_spawn(s,
2005 s->control_command,
2006 true,
2007 false,
2008 !s->permissions_start_only,
2009 !s->root_directory_start_only,
c952c6ec 2010 false,
1e3ad081 2011 false,
e55224ca 2012 &s->control_pid)) < 0)
034c6ed7
LP		 2013 goto fail;
2014
80876c20
LP		 2015 service_set_state(s, SERVICE_START_POST);
2016 } else
2017 service_enter_running(s, true);
034c6ed7
LP		 2018
2019 return;
2020
2021fail:
1124fe6f 2022 log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->id, strerror(-r));
034c6ed7
LP		 2023 service_enter_stop(s, false);
2024}
2025
2026static void service_enter_start(Service *s) {
2027 pid_t pid;
2028 int r;
867b3b7d 2029 ExecCommand *c;
034c6ed7
LP		 2030
2031 assert(s);
2032
2033 assert(s->exec_command[SERVICE_EXEC_START]);
34e9ba66 2034 assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
034c6ed7 2035
80876c20
LP		 2036 if (s->type == SERVICE_FORKING)
2037 service_unwatch_control_pid(s);
2038 else
2039 service_unwatch_main_pid(s);
2040
8f53a7b8
LP		 2041 /* We want to ensure that nobody leaks processes from
2042 * START_PRE here, so let's go on a killing spree, People
2043 * should not spawn long running processes from START_PRE. */
1124fe6f 2044 cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
8f53a7b8 2045
867b3b7d
LP		 2046 if (s->type == SERVICE_FORKING) {
2047 s->control_command_id = SERVICE_EXEC_START;
2048 c = s->control_command = s->exec_command[SERVICE_EXEC_START];
2049
2050 s->main_command = NULL;
2051 } else {
2052 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2053 s->control_command = NULL;
2054
2055 c = s->main_command = s->exec_command[SERVICE_EXEC_START];
2056 }
34e9ba66 2057
81a2b7ce 2058 if ((r = service_spawn(s,
867b3b7d 2059 c,
8c47c732 2060 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 2061 true,
2062 true,
2063 true,
1e3ad081 2064 true,
c952c6ec 2065 s->notify_access != NOTIFY_NONE,
81a2b7ce 2066 &pid)) < 0)
034c6ed7
LP		 2067 goto fail;
2068
2069 if (s->type == SERVICE_SIMPLE) {
2070 /* For simple services we immediately start
2071 * the START_POST binaries. */
2072
5925dd3c 2073 service_set_main_pid(s, pid);
034c6ed7
LP		 2074 service_enter_start_post(s);
2075
2076 } else if (s->type == SERVICE_FORKING) {
2077
2078 /* For forking services we wait until the start
2079 * process exited. */
2080
e55224ca 2081 s->control_pid = pid;
80876c20
LP		 2082 service_set_state(s, SERVICE_START);
2083
34e9ba66 2084 } else if (s->type == SERVICE_ONESHOT ||
8c47c732
LP		 2085 s->type == SERVICE_DBUS ||
2086 s->type == SERVICE_NOTIFY) {
7d55e835 2087
34e9ba66 2088 /* For oneshot services we wait until the start
7d55e835
LP		 2089 * process exited, too, but it is our main process. */
2090
05e343b7 2091 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 2092 * but wait for the bus name to appear on the
2093 * bus. Notify services are similar. */
05e343b7 2094
5925dd3c 2095 service_set_main_pid(s, pid);
80876c20 2096 service_set_state(s, SERVICE_START);
034c6ed7
LP		 2097 } else
2098 assert_not_reached("Unknown service type");
2099
2100 return;
2101
2102fail:
1124fe6f 2103 log_warning("%s failed to run 'start' task: %s", UNIT(s)->id, strerror(-r));
80876c20 2104 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2105}
2106
2107static void service_enter_start_pre(Service *s) {
2108 int r;
2109
2110 assert(s);
2111
5e94833f
LP		 2112 service_unwatch_control_pid(s);
2113
80876c20 2114 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
8f53a7b8
LP		 2115
2116 /* Before we start anything, let's clear up what might
2117 * be left from previous runs. */
1124fe6f 2118 cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, SIGKILL, true, NULL);
8f53a7b8 2119
867b3b7d
LP		 2120 s->control_command_id = SERVICE_EXEC_START_PRE;
2121
81a2b7ce
LP		 2122 if ((r = service_spawn(s,
2123 s->control_command,
2124 true,
2125 false,
2126 !s->permissions_start_only,
2127 !s->root_directory_start_only,
1e3ad081 2128 true,
c952c6ec 2129 false,
e55224ca 2130 &s->control_pid)) < 0)
034c6ed7
LP		 2131 goto fail;
2132
80876c20
LP		 2133 service_set_state(s, SERVICE_START_PRE);
2134 } else
034c6ed7
LP		 2135 service_enter_start(s);
2136
2137 return;
2138
2139fail:
1124fe6f 2140 log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
034c6ed7
LP		 2141 service_enter_dead(s, false, true);
2142}
2143
2144static void service_enter_restart(Service *s) {
2145 int r;
398ef8ba
LP		 2146 DBusError error;
2147
034c6ed7 2148 assert(s);
398ef8ba 2149 dbus_error_init(&error);
034c6ed7 2150
1124fe6f 2151 if (UNIT(s)->job) {
2edfa366
LP		 2152 log_info("Job pending for unit, delaying automatic restart.");
2153
2154 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
2155 goto fail;
2156 }
2157
9ea9a0c8
LP		 2158 service_enter_dead(s, true, false);
2159
1124fe6f 2160 if ((r = manager_add_job(UNIT(s)->manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
034c6ed7
LP		 2161 goto fail;
2162
1124fe6f 2163 log_debug("%s scheduled restart job.", UNIT(s)->id);
034c6ed7
LP		 2164 return;
2165
2166fail:
1124fe6f 2167 log_warning("%s failed to schedule restart job: %s", UNIT(s)->id, bus_error(&error, -r));
034c6ed7 2168 service_enter_dead(s, false, false);
398ef8ba
LP		 2169
2170 dbus_error_free(&error);
034c6ed7
LP		 2171}
2172
2173static void service_enter_reload(Service *s) {
2174 int r;
2175
2176 assert(s);
2177
5e94833f
LP		 2178 service_unwatch_control_pid(s);
2179
80876c20 2180 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
867b3b7d
LP		 2181 s->control_command_id = SERVICE_EXEC_RELOAD;
2182
81a2b7ce
LP		 2183 if ((r = service_spawn(s,
2184 s->control_command,
2185 true,
2186 false,
2187 !s->permissions_start_only,
2188 !s->root_directory_start_only,
c952c6ec 2189 false,
1e3ad081 2190 false,
e55224ca 2191 &s->control_pid)) < 0)
034c6ed7
LP		 2192 goto fail;
2193
80876c20
LP		 2194 service_set_state(s, SERVICE_RELOAD);
2195 } else
2196 service_enter_running(s, true);
034c6ed7
LP		 2197
2198 return;
2199
2200fail:
1124fe6f 2201 log_warning("%s failed to run 'reload' task: %s", UNIT(s)->id, strerror(-r));
e2f3b44c
LP		 2202 s->reload_failure = true;
2203 service_enter_running(s, true);
034c6ed7
LP		 2204}
2205
34e9ba66 2206static void service_run_next_control(Service *s, bool success) {
034c6ed7
LP		 2207 int r;
2208
2209 assert(s);
2210 assert(s->control_command);
2211 assert(s->control_command->command_next);
2212
2213 if (!success)
2214 s->failure = true;
2215
34e9ba66 2216 assert(s->control_command_id != SERVICE_EXEC_START);
034c6ed7 2217
34e9ba66 2218 s->control_command = s->control_command->command_next;
5e94833f
LP		 2219 service_unwatch_control_pid(s);
2220
81a2b7ce
LP		 2221 if ((r = service_spawn(s,
2222 s->control_command,
2223 true,
2224 false,
2225 !s->permissions_start_only,
2226 !s->root_directory_start_only,
5830833f
LP		 2227 s->control_command_id == SERVICE_EXEC_START_PRE ||
2228 s->control_command_id == SERVICE_EXEC_STOP_POST,
1e3ad081 2229 false,
e55224ca 2230 &s->control_pid)) < 0)
034c6ed7
LP		 2231 goto fail;
2232
2233 return;
2234
2235fail:
1124fe6f 2236 log_warning("%s failed to run next control task: %s", UNIT(s)->id, strerror(-r));
034c6ed7 2237
80876c20
LP		 2238 if (s->state == SERVICE_START_PRE)
2239 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2240 else if (s->state == SERVICE_STOP)
2241 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 2242 else if (s->state == SERVICE_STOP_POST)
2243 service_enter_dead(s, false, true);
e2f3b44c
LP		 2244 else if (s->state == SERVICE_RELOAD) {
2245 s->reload_failure = true;
2246 service_enter_running(s, true);
2247 } else
034c6ed7 2248 service_enter_stop(s, false);
5cb5a6ff
LP		 2249}
2250
34e9ba66
LP		 2251static void service_run_next_main(Service *s, bool success) {
2252 pid_t pid;
2253 int r;
2254
2255 assert(s);
867b3b7d
LP		 2256 assert(s->main_command);
2257 assert(s->main_command->command_next);
2258 assert(s->type == SERVICE_ONESHOT);
34e9ba66
LP		 2259
2260 if (!success)
2261 s->failure = true;
2262
867b3b7d 2263 s->main_command = s->main_command->command_next;
34e9ba66
LP		 2264 service_unwatch_main_pid(s);
2265
2266 if ((r = service_spawn(s,
867b3b7d 2267 s->main_command,
34e9ba66
LP		 2268 false,
2269 true,
2270 true,
2271 true,
2272 true,
2273 s->notify_access != NOTIFY_NONE,
2274 &pid)) < 0)
2275 goto fail;
2276
2277 service_set_main_pid(s, pid);
2278
2279 return;
2280
2281fail:
1124fe6f 2282 log_warning("%s failed to run next main task: %s", UNIT(s)->id, strerror(-r));
34e9ba66
LP		 2283 service_enter_stop(s, false);
2284}
2285
87f0e418
LP		 2286static int service_start(Unit *u) {
2287 Service *s = SERVICE(u);
5cb5a6ff
LP		 2288
2289 assert(s);
2290
034c6ed7
LP		 2291 /* We cannot fulfill this request right now, try again later
2292 * please! */
2293 if (s->state == SERVICE_STOP ||
2294 s->state == SERVICE_STOP_SIGTERM ||
2295 s->state == SERVICE_STOP_SIGKILL ||
2296 s->state == SERVICE_STOP_POST ||
2297 s->state == SERVICE_FINAL_SIGTERM ||
2298 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 2299 return -EAGAIN;
2300
034c6ed7
LP		 2301 /* Already on it! */
2302 if (s->state == SERVICE_START_PRE ||
2303 s->state == SERVICE_START ||
2304 s->state == SERVICE_START_POST)
2305 return 0;
2306
fdf20a31 2307 assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 2308
1e2e8133
LP		 2309 /* Make sure we don't enter a busy loop of some kind. */
2310 if (!ratelimit_test(&s->ratelimit)) {
ac155bb8 2311 log_warning("%s start request repeated too quickly, refusing to start.", u->id);
d5159713 2312 return -ECANCELED;
1e2e8133
LP		 2313 }
2314
034c6ed7
LP		 2315 s->failure = false;
2316 s->main_pid_known = false;
6dfa5494 2317 s->main_pid_alien = false;
47342320 2318 s->forbid_restart = false;
034c6ed7
LP		 2319
2320 service_enter_start_pre(s);
2321 return 0;
5cb5a6ff
LP		 2322}
2323
87f0e418
LP		 2324static int service_stop(Unit *u) {
2325 Service *s = SERVICE(u);
5cb5a6ff
LP		 2326
2327 assert(s);
2328
3f6c78dc
LP		 2329 /* This is a user request, so don't do restarts on this
2330 * shutdown. */
47342320 2331 s->forbid_restart = true;
034c6ed7 2332
e537352b
LP		 2333 /* Already on it */
2334 if (s->state == SERVICE_STOP ||
2335 s->state == SERVICE_STOP_SIGTERM ||
2336 s->state == SERVICE_STOP_SIGKILL ||
2337 s->state == SERVICE_STOP_POST ||
2338 s->state == SERVICE_FINAL_SIGTERM ||
2339 s->state == SERVICE_FINAL_SIGKILL)
2340 return 0;
2341
3f6c78dc 2342 /* Don't allow a restart */
034c6ed7
LP		 2343 if (s->state == SERVICE_AUTO_RESTART) {
2344 service_set_state(s, SERVICE_DEAD);
2345 return 0;
2346 }
2347
3f6c78dc
LP		 2348 /* If there's already something running we go directly into
2349 * kill mode. */
2350 if (s->state == SERVICE_START_PRE ||
2351 s->state == SERVICE_START ||
2352 s->state == SERVICE_START_POST ||
2353 s->state == SERVICE_RELOAD) {
2354 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
2355 return 0;
2356 }
5cb5a6ff 2357
3f6c78dc
LP		 2358 assert(s->state == SERVICE_RUNNING ||
2359 s->state == SERVICE_EXITED);
3a762661 2360
034c6ed7 2361 service_enter_stop(s, true);
5cb5a6ff
LP		 2362 return 0;
2363}
2364
87f0e418
LP		 2365static int service_reload(Unit *u) {
2366 Service *s = SERVICE(u);
034c6ed7
LP		 2367
2368 assert(s);
2369
80876c20 2370 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 2371
2372 service_enter_reload(s);
5cb5a6ff
LP		 2373 return 0;
2374}
2375
87f0e418
LP		 2376static bool service_can_reload(Unit *u) {
2377 Service *s = SERVICE(u);
034c6ed7
LP		 2378
2379 assert(s);
2380
2381 return !!s->exec_command[SERVICE_EXEC_RELOAD];
2382}
2383
a16e1123
LP		 2384static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
2385 Service *s = SERVICE(u);
2386
2387 assert(u);
2388 assert(f);
2389 assert(fds);
2390
2391 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
2392 unit_serialize_item(u, f, "failure", yes_no(s->failure));
2393
2394 if (s->control_pid > 0)
5925dd3c 2395 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 2396
5925dd3c
LP		 2397 if (s->main_pid_known && s->main_pid > 0)
2398 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 2399
2400 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
2401
3a2776bc
LP		 2402 if (s->status_text)
2403 unit_serialize_item(u, f, "status-text", s->status_text);
2404
a16e1123
LP		 2405 /* There's a minor uncleanliness here: if there are multiple
2406 * commands attached here, we will start from the first one
2407 * again */
2408 if (s->control_command_id >= 0)
825636e5 2409 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 2410
2411 if (s->socket_fd >= 0) {
2412 int copy;
2413
2414 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
2415 return copy;
2416
2417 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
2418 }
2419
ecdbca40
LP		 2420 if (s->main_exec_status.pid > 0) {
2421 unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
799fd0fd
LP		 2422 dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp);
2423 dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp);
ecdbca40 2424
799fd0fd 2425 if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) {
ecdbca40
LP		 2426 unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
2427 unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
2428 }
2429 }
a6927d7f
MO		 2430 if (dual_timestamp_is_set(&s->watchdog_timestamp))
2431 dual_timestamp_serialize(f, "watchdog-timestamp", &s->watchdog_timestamp);
ecdbca40 2432
a16e1123
LP		 2433 return 0;
2434}
2435
2436static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
2437 Service *s = SERVICE(u);
a16e1123
LP		 2438
2439 assert(u);
2440 assert(key);
2441 assert(value);
2442 assert(fds);
2443
2444 if (streq(key, "state")) {
2445 ServiceState state;
2446
2447 if ((state = service_state_from_string(value)) < 0)
2448 log_debug("Failed to parse state value %s", value);
2449 else
2450 s->deserialized_state = state;
2451 } else if (streq(key, "failure")) {
2452 int b;
2453
2454 if ((b = parse_boolean(value)) < 0)
2455 log_debug("Failed to parse failure value %s", value);
2456 else
2457 s->failure = b || s->failure;
2458 } else if (streq(key, "control-pid")) {
5925dd3c 2459 pid_t pid;
a16e1123 2460
e364ad06 2461 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2462 log_debug("Failed to parse control-pid value %s", value);
2463 else
e55224ca 2464 s->control_pid = pid;
a16e1123 2465 } else if (streq(key, "main-pid")) {
5925dd3c 2466 pid_t pid;
a16e1123 2467
e364ad06 2468 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2469 log_debug("Failed to parse main-pid value %s", value);
2470 else
5925dd3c 2471 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 2472 } else if (streq(key, "main-pid-known")) {
2473 int b;
2474
2475 if ((b = parse_boolean(value)) < 0)
2476 log_debug("Failed to parse main-pid-known value %s", value);
2477 else
2478 s->main_pid_known = b;
3a2776bc
LP		 2479 } else if (streq(key, "status-text")) {
2480 char *t;
2481
2482 if ((t = strdup(value))) {
2483 free(s->status_text);
2484 s->status_text = t;
2485 }
2486
a16e1123
LP		 2487 } else if (streq(key, "control-command")) {
2488 ServiceExecCommand id;
2489
2490 if ((id = service_exec_command_from_string(value)) < 0)
2491 log_debug("Failed to parse exec-command value %s", value);
2492 else {
2493 s->control_command_id = id;
2494 s->control_command = s->exec_command[id];
2495 }
2496 } else if (streq(key, "socket-fd")) {
2497 int fd;
2498
2499 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2500 log_debug("Failed to parse socket-fd value %s", value);
2501 else {
2502
2503 if (s->socket_fd >= 0)
2504 close_nointr_nofail(s->socket_fd);
2505 s->socket_fd = fdset_remove(fds, fd);
2506 }
ecdbca40
LP		 2507 } else if (streq(key, "main-exec-status-pid")) {
2508 pid_t pid;
2509
e364ad06 2510 if (parse_pid(value, &pid) < 0)
ecdbca40
LP		 2511 log_debug("Failed to parse main-exec-status-pid value %s", value);
2512 else
2513 s->main_exec_status.pid = pid;
2514 } else if (streq(key, "main-exec-status-code")) {
2515 int i;
2516
e364ad06 2517 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2518 log_debug("Failed to parse main-exec-status-code value %s", value);
2519 else
2520 s->main_exec_status.code = i;
2521 } else if (streq(key, "main-exec-status-status")) {
2522 int i;
2523
e364ad06 2524 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2525 log_debug("Failed to parse main-exec-status-status value %s", value);
2526 else
2527 s->main_exec_status.status = i;
799fd0fd
LP		 2528 } else if (streq(key, "main-exec-status-start"))
2529 dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp);
2530 else if (streq(key, "main-exec-status-exit"))
2531 dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp);
a6927d7f
MO		 2532 else if (streq(key, "watchdog-timestamp"))
2533 dual_timestamp_deserialize(value, &s->watchdog_timestamp);
799fd0fd 2534 else
a16e1123
LP		 2535 log_debug("Unknown serialization key '%s'", key);
2536
2537 return 0;
2538}
2539
87f0e418
LP		 2540static UnitActiveState service_active_state(Unit *u) {
2541 assert(u);
5cb5a6ff 2542
acbb0225 2543 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2544}
2545
10a94420
LP		 2546static const char *service_sub_state_to_string(Unit *u) {
2547 assert(u);
2548
2549 return service_state_to_string(SERVICE(u)->state);
2550}
2551
701cc384
LP		 2552static bool service_check_gc(Unit *u) {
2553 Service *s = SERVICE(u);
2554
2555 assert(s);
2556
6d55002a
LP		 2557 /* Never clean up services that still have a process around,
2558 * even if the service is formally dead. */
2559 if (cgroup_good(s) > 0 ||
2560 main_pid_good(s) > 0 ||
2561 control_pid_good(s) > 0)
2562 return true;
2563
2564#ifdef HAVE_SYSV_COMPAT
2565 if (s->sysv_path)
2566 return true;
07459bb6 2567#endif
701cc384 2568
6d55002a
LP		 2569 return false;
2570}
2571
701cc384
LP		 2572static bool service_check_snapshot(Unit *u) {
2573 Service *s = SERVICE(u);
2574
2575 assert(s);
2576
2577 return !s->got_socket_fd;
2578}
2579
3a111838
MS		 2580static int service_retry_pid_file(Service *s) {
2581 int r;
2582
2583 assert(s->pid_file);
2584 assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
2585
2586 r = service_load_pid_file(s, false);
2587 if (r < 0)
2588 return r;
2589
2590 service_unwatch_pid_file(s);
2591
2592 service_enter_running(s, true);
2593 return 0;
2594}
2595
2596static int service_watch_pid_file(Service *s) {
2597 int r;
2598
1124fe6f 2599 log_debug("Setting watch for %s's PID file %s", UNIT(s)->id, s->pid_file_pathspec->path);
57020a3a 2600 r = path_spec_watch(s->pid_file_pathspec, UNIT(s));
3a111838
MS		 2601 if (r < 0)
2602 goto fail;
2603
2604 /* the pidfile might have appeared just before we set the watch */
2605 service_retry_pid_file(s);
2606
2607 return 0;
2608fail:
2609 log_error("Failed to set a watch for %s's PID file %s: %s",
1124fe6f 2610 UNIT(s)->id, s->pid_file_pathspec->path, strerror(-r));
3a111838
MS		 2611 service_unwatch_pid_file(s);
2612 return r;
2613}
2614
2615static int service_demand_pid_file(Service *s) {
2616 PathSpec *ps;
2617
2618 assert(s->pid_file);
2619 assert(!s->pid_file_pathspec);
2620
2621 ps = new0(PathSpec, 1);
2622 if (!ps)
2623 return -ENOMEM;
2624
2625 ps->path = strdup(s->pid_file);
2626 if (!ps->path) {
2627 free(ps);
2628 return -ENOMEM;
2629 }
2630
2631 path_kill_slashes(ps->path);
2632
2633 /* PATH_CHANGED would not be enough. There are daemons (sendmail) that
2634 * keep their PID file open all the time. */
2635 ps->type = PATH_MODIFIED;
2636 ps->inotify_fd = -1;
2637
2638 s->pid_file_pathspec = ps;
2639
2640 return service_watch_pid_file(s);
2641}
2642
2643static void service_fd_event(Unit *u, int fd, uint32_t events, Watch *w) {
2644 Service *s = SERVICE(u);
2645
2646 assert(s);
2647 assert(fd >= 0);
2648 assert(s->state == SERVICE_START || s->state == SERVICE_START_POST);
2649 assert(s->pid_file_pathspec);
57020a3a 2650 assert(path_spec_owns_inotify_fd(s->pid_file_pathspec, fd));
3a111838 2651
ac155bb8 2652 log_debug("inotify event for %s", u->id);
3a111838 2653
57020a3a 2654 if (path_spec_fd_event(s->pid_file_pathspec, events) < 0)
3a111838
MS		 2655 goto fail;
2656
2657 if (service_retry_pid_file(s) == 0)
2658 return;
2659
2660 if (service_watch_pid_file(s) < 0)
2661 goto fail;
2662
2663 return;
2664fail:
2665 service_unwatch_pid_file(s);
2666 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2667}
2668
87f0e418
LP		 2669static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2670 Service *s = SERVICE(u);
034c6ed7 2671 bool success;
5cb5a6ff
LP		 2672
2673 assert(s);
034c6ed7
LP		 2674 assert(pid >= 0);
2675
1124fe6f 2676 if (!UNIT(s)->fragment_path)
d06dacd0
LP		 2677 success = is_clean_exit_lsb(code, status);
2678 else
2679 success = is_clean_exit(code, status);
034c6ed7
LP		 2680
2681 if (s->main_pid == pid) {
db01f8b3
MS		 2682 /* Forking services may occasionally move to a new PID.
2683 * As long as they update the PID file before exiting the old
2684 * PID, they're fine. */
5375410b 2685 if (service_load_pid_file(s, false) == 0)
db01f8b3 2686 return;
034c6ed7 2687
034c6ed7 2688 s->main_pid = 0;
6ea832a2 2689 exec_status_exit(&s->main_exec_status, &s->exec_context, pid, code, status);
034c6ed7 2690
867b3b7d
LP		 2691 /* If this is not a forking service than the main
2692 * process got started and hence we copy the exit
2693 * status so that it is recorded both as main and as
2694 * control process exit status */
2695 if (s->main_command) {
2696 s->main_command->exec_status = s->main_exec_status;
b708e7ce 2697
867b3b7d 2698 if (s->main_command->ignore)
b708e7ce 2699 success = true;
034c6ed7
LP		 2700 }
2701
92abbefb 2702 log_full(success ? LOG_DEBUG : LOG_NOTICE,
ac155bb8 2703 "%s: main process exited, code=%s, status=%i", u->id, sigchld_code_to_string(code), status);
b708e7ce 2704 s->failure = s->failure || !success;
034c6ed7 2705
867b3b7d
LP		 2706 if (s->main_command &&
2707 s->main_command->command_next &&
34e9ba66 2708 success) {
034c6ed7 2709
34e9ba66
LP		 2710 /* There is another command to *
2711 * execute, so let's do that. */
034c6ed7 2712
ac155bb8 2713 log_debug("%s running next main command for state %s", u->id, service_state_to_string(s->state));
34e9ba66 2714 service_run_next_main(s, success);
034c6ed7 2715
34e9ba66
LP		 2716 } else {
2717
2718 /* The service exited, so the service is officially
2719 * gone. */
867b3b7d 2720 s->main_command = NULL;
34e9ba66
LP		 2721
2722 switch (s->state) {
2723
2724 case SERVICE_START_POST:
2725 case SERVICE_RELOAD:
2726 case SERVICE_STOP:
2727 /* Need to wait until the operation is
2728 * done */
c4653a4d 2729 break;
7d55e835 2730
34e9ba66
LP		 2731 case SERVICE_START:
2732 if (s->type == SERVICE_ONESHOT) {
2733 /* This was our main goal, so let's go on */
2734 if (success)
2735 service_enter_start_post(s);
2736 else
2737 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2738 break;
2739 } else {
2740 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2741
34e9ba66
LP		 2742 /* Fall through */
2743 }
034c6ed7 2744
34e9ba66
LP		 2745 case SERVICE_RUNNING:
2746 service_enter_running(s, success);
2747 break;
034c6ed7 2748
34e9ba66
LP		 2749 case SERVICE_STOP_SIGTERM:
2750 case SERVICE_STOP_SIGKILL:
5cb5a6ff 2751
34e9ba66
LP		 2752 if (!control_pid_good(s))
2753 service_enter_stop_post(s, success);
5cb5a6ff 2754
34e9ba66
LP		 2755 /* If there is still a control process, wait for that first */
2756 break;
2757
2758 default:
2759 assert_not_reached("Uh, main process died at wrong time.");
2760 }
034c6ed7 2761 }
5cb5a6ff 2762
034c6ed7 2763 } else if (s->control_pid == pid) {
034c6ed7 2764
34e9ba66
LP		 2765 s->control_pid = 0;
2766
b708e7ce 2767 if (s->control_command) {
6ea832a2 2768 exec_status_exit(&s->control_command->exec_status, &s->exec_context, pid, code, status);
a16e1123 2769
b708e7ce
LP		 2770 if (s->control_command->ignore)
2771 success = true;
2772 }
2773
3a111838 2774 log_full(success ? LOG_DEBUG : LOG_NOTICE,
ac155bb8 2775 "%s: control process exited, code=%s status=%i", u->id, sigchld_code_to_string(code), status);
b708e7ce 2776 s->failure = s->failure || !success;
034c6ed7 2777
34e9ba66
LP		 2778 if (s->control_command &&
2779 s->control_command->command_next &&
2780 success) {
034c6ed7
LP		 2781
2782 /* There is another command to *
2783 * execute, so let's do that. */
2784
ac155bb8 2785 log_debug("%s running next control command for state %s", u->id, service_state_to_string(s->state));
34e9ba66 2786 service_run_next_control(s, success);
034c6ed7 2787
80876c20 2788 } else {
034c6ed7
LP		 2789 /* No further commands for this step, so let's
2790 * figure out what to do next */
2791
a16e1123
LP		 2792 s->control_command = NULL;
2793 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2794
ac155bb8 2795 log_debug("%s got final SIGCHLD for state %s", u->id, service_state_to_string(s->state));
bd982a8b 2796
034c6ed7
LP		 2797 switch (s->state) {
2798
2799 case SERVICE_START_PRE:
2800 if (success)
2801 service_enter_start(s);
2802 else
80876c20 2803 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2804 break;
2805
2806 case SERVICE_START:
2807 assert(s->type == SERVICE_FORKING);
2808
3a111838
MS		 2809 if (!success) {
2810 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2811 break;
2812 }
034c6ed7 2813
3a111838
MS		 2814 if (s->pid_file) {
2815 /* Let's try to load the pid file here if we can.
2816 * The PID file might actually be created by a START_POST
2817 * script. In that case don't worry if the loading fails. */
2818 bool has_start_post = !!s->exec_command[SERVICE_EXEC_START_POST];
2819 int r = service_load_pid_file(s, !has_start_post);
2820 if (!has_start_post && r < 0) {
2821 r = service_demand_pid_file(s);
2822 if (r < 0 || !cgroup_good(s))
2823 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2824 break;
2825 }
034c6ed7 2826 } else
3a111838 2827 service_search_main_pid(s);
034c6ed7 2828
3a111838 2829 service_enter_start_post(s);
034c6ed7
LP		 2830 break;
2831
2832 case SERVICE_START_POST:
2096e009
MS		 2833 if (!success) {
2834 service_enter_stop(s, false);
2835 break;
034c6ed7
LP		 2836 }
2837
2096e009
MS		 2838 if (s->pid_file) {
2839 int r = service_load_pid_file(s, true);
2840 if (r < 0) {
2841 r = service_demand_pid_file(s);
2842 if (r < 0 || !cgroup_good(s))
2843 service_enter_stop(s, false);
2844 break;
2845 }
2846 } else
2847 service_search_main_pid(s);
2848
3185a36b
LP		 2849 service_enter_running(s, true);
2850 break;
034c6ed7
LP		 2851
2852 case SERVICE_RELOAD:
3185a36b 2853 if (success) {
5375410b 2854 service_load_pid_file(s, true);
3185a36b
LP		 2855 service_search_main_pid(s);
2856 }
2857
e2f3b44c
LP		 2858 s->reload_failure = !success;
2859 service_enter_running(s, true);
034c6ed7
LP		 2860 break;
2861
2862 case SERVICE_STOP:
80876c20 2863 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2864 break;
2865
2866 case SERVICE_STOP_SIGTERM:
2867 case SERVICE_STOP_SIGKILL:
2868 if (main_pid_good(s) <= 0)
2869 service_enter_stop_post(s, success);
2870
2871 /* If there is still a service
2872 * process around, wait until
2873 * that one quit, too */
2874 break;
2875
2876 case SERVICE_STOP_POST:
2877 case SERVICE_FINAL_SIGTERM:
2878 case SERVICE_FINAL_SIGKILL:
2879 service_enter_dead(s, success, true);
2880 break;
2881
2882 default:
2883 assert_not_reached("Uh, control process died at wrong time.");
2884 }
2885 }
8c47c732 2886 }
c4e2ceae
LP		 2887
2888 /* Notify clients about changed exit status */
2889 unit_add_to_dbus_queue(u);
034c6ed7
LP		 2890}
2891
acbb0225 2892static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2893 Service *s = SERVICE(u);
034c6ed7
LP		 2894
2895 assert(s);
2896 assert(elapsed == 1);
2897
acbb0225 2898 assert(w == &s->timer_watch);
034c6ed7
LP		 2899
2900 switch (s->state) {
2901
2902 case SERVICE_START_PRE:
2903 case SERVICE_START:
ac155bb8 2904 log_warning("%s operation timed out. Terminating.", u->id);
80876c20
LP		 2905 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2906 break;
2907
034c6ed7 2908 case SERVICE_START_POST:
ac155bb8 2909 log_warning("%s operation timed out. Stopping.", u->id);
034c6ed7
LP		 2910 service_enter_stop(s, false);
2911 break;
2912
e2f3b44c 2913 case SERVICE_RELOAD:
ac155bb8 2914 log_warning("%s operation timed out. Stopping.", u->id);
e2f3b44c
LP		 2915 s->reload_failure = true;
2916 service_enter_running(s, true);
2917 break;
2918
034c6ed7 2919 case SERVICE_STOP:
ac155bb8 2920 log_warning("%s stopping timed out. Terminating.", u->id);
034c6ed7
LP		 2921 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2922 break;
2923
2924 case SERVICE_STOP_SIGTERM:
ba035df2 2925 if (s->exec_context.send_sigkill) {
ac155bb8 2926 log_warning("%s stopping timed out. Killing.", u->id);
ba035df2
LP		 2927 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2928 } else {
ac155bb8 2929 log_warning("%s stopping timed out. Skipping SIGKILL.", u->id);
ba035df2
LP		 2930 service_enter_stop_post(s, false);
2931 }
2932
034c6ed7
LP		 2933 break;
2934
2935 case SERVICE_STOP_SIGKILL:
35b8ca3a 2936 /* Uh, we sent a SIGKILL and it is still not gone?
034c6ed7
LP		 2937 * Must be something we cannot kill, so let's just be
2938 * weirded out and continue */
2939
ac155bb8 2940 log_warning("%s still around after SIGKILL. Ignoring.", u->id);
034c6ed7
LP		 2941 service_enter_stop_post(s, false);
2942 break;
2943
2944 case SERVICE_STOP_POST:
ac155bb8 2945 log_warning("%s stopping timed out (2). Terminating.", u->id);
034c6ed7
LP		 2946 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2947 break;
2948
2949 case SERVICE_FINAL_SIGTERM:
ba035df2 2950 if (s->exec_context.send_sigkill) {
ac155bb8 2951 log_warning("%s stopping timed out (2). Killing.", u->id);
ba035df2
LP		 2952 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2953 } else {
ac155bb8 2954 log_warning("%s stopping timed out (2). Skipping SIGKILL. Entering failed mode.", u->id);
ba035df2
LP		 2955 service_enter_dead(s, false, true);
2956 }
2957
034c6ed7
LP		 2958 break;
2959
2960 case SERVICE_FINAL_SIGKILL:
ac155bb8 2961 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->id);
034c6ed7
LP		 2962 service_enter_dead(s, false, true);
2963 break;
2964
2965 case SERVICE_AUTO_RESTART:
ac155bb8 2966 log_info("%s holdoff time over, scheduling restart.", u->id);
034c6ed7
LP		 2967 service_enter_restart(s);
2968 break;
2969
2970 default:
2971 assert_not_reached("Timeout at wrong time.");
2972 }
5cb5a6ff
LP		 2973}
2974
8e274523
LP		 2975static void service_cgroup_notify_event(Unit *u) {
2976 Service *s = SERVICE(u);
2977
2978 assert(u);
2979
ac155bb8 2980 log_debug("%s: cgroup is empty", u->id);
8e274523
LP		 2981
2982 switch (s->state) {
2983
2984 /* Waiting for SIGCHLD is usually more interesting,
2985 * because it includes return codes/signals. Which is
2986 * why we ignore the cgroup events for most cases,
2987 * except when we don't know pid which to expect the
2988 * SIGCHLD for. */
2989
3a111838
MS		 2990 case SERVICE_START:
2991 case SERVICE_START_POST:
2992 /* If we were hoping for the daemon to write its PID file,
2993 * we can give up now. */
2994 if (s->pid_file_pathspec) {
1124fe6f 2995 log_warning("%s never wrote its PID file. Failing.", UNIT(s)->id);
3a111838
MS		 2996 service_unwatch_pid_file(s);
2997 if (s->state == SERVICE_START)
2998 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2999 else
3000 service_enter_stop(s, false);
3001 }
3002 break;
3003
8e274523 3004 case SERVICE_RUNNING:
80876c20 3005 service_enter_running(s, true);
8e274523
LP		 3006 break;
3007
28708d8a
LP		 3008 case SERVICE_STOP_SIGTERM:
3009 case SERVICE_STOP_SIGKILL:
6dfa5494 3010
28708d8a
LP		 3011 if (main_pid_good(s) <= 0 && !control_pid_good(s))
3012 service_enter_stop_post(s, true);
3013
3014 break;
3015
7f97f0fe
LP		 3016 case SERVICE_FINAL_SIGTERM:
3017 case SERVICE_FINAL_SIGKILL:
3018 if (main_pid_good(s) <= 0 && !control_pid_good(s))
3019 service_enter_dead(s, true, true);
3020
3021 break;
3022
8e274523
LP		 3023 default:
3024 ;
3025 }
3026}
3027
c952c6ec 3028static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 3029 Service *s = SERVICE(u);
3030 const char *e;
3031
3032 assert(u);
3033
c952c6ec
LP		 3034 if (s->notify_access == NOTIFY_NONE) {
3035 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
ac155bb8 3036 u->id, (unsigned long) pid);
c952c6ec
LP		 3037 return;
3038 }
3039
3040 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
3041 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
ac155bb8 3042 u->id, (unsigned long) pid, (unsigned long) s->main_pid);
c952c6ec
LP		 3043 return;
3044 }
3045
ac155bb8 3046 log_debug("%s: Got message", u->id);
8c47c732
LP		 3047
3048 /* Interpret MAINPID= */
3049 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
3050 (s->state == SERVICE_START ||
3051 s->state == SERVICE_START_POST ||
3052 s->state == SERVICE_RUNNING ||
3053 s->state == SERVICE_RELOAD)) {
8c47c732 3054
5925dd3c 3055 if (parse_pid(e + 8, &pid) < 0)
92abbefb 3056 log_warning("Failed to parse notification message %s", e);
8c47c732 3057 else {
ac155bb8 3058 log_debug("%s: got %s", u->id, e);
5925dd3c 3059 service_set_main_pid(s, pid);
8c47c732
LP		 3060 }
3061 }
3062
3063 /* Interpret READY= */
3064 if (s->type == SERVICE_NOTIFY &&
3065 s->state == SERVICE_START &&
3066 strv_find(tags, "READY=1")) {
ac155bb8 3067 log_debug("%s: got READY=1", u->id);
8c47c732
LP		 3068
3069 service_enter_start_post(s);
3070 }
3071
3072 /* Interpret STATUS= */
3073 if ((e = strv_find_prefix(tags, "STATUS="))) {
3074 char *t;
3075
3a2776bc
LP		 3076 if (e[7]) {
3077 if (!(t = strdup(e+7))) {
3078 log_error("Failed to allocate string.");
3079 return;
3080 }
3081
ac155bb8 3082 log_debug("%s: got %s", u->id, e);
8c47c732 3083
3a2776bc
LP		 3084 free(s->status_text);
3085 s->status_text = t;
3086 } else {
3087 free(s->status_text);
3088 s->status_text = NULL;
3089 }
8c47c732 3090
8c47c732 3091 }
a6927d7f
MO		 3092 if (strv_find(tags, "WATCHDOG=1")) {
3093 log_debug("%s: got WATCHDOG=1", u->id);
3094 service_reset_watchdog(s);
3095 }
c4e2ceae
LP		 3096
3097 /* Notify clients about changed status or main pid */
3098 unit_add_to_dbus_queue(u);
8c47c732
LP		 3099}
3100
07459bb6 3101#ifdef HAVE_SYSV_COMPAT
de3910a3
FC		 3102
3103#ifdef TARGET_SUSE
3104static void sysv_facility_in_insserv_conf(Manager *mgr) {
3105 FILE *f=NULL;
3106 int r;
3107
3108 if (!(f = fopen("/etc/insserv.conf", "re"))) {
3109 r = errno == ENOENT ? 0 : -errno;
3110 goto finish;
3111 }
3112
3113 while (!feof(f)) {
3114 char l[LINE_MAX], *t;
3115 char **parsed = NULL;
3116
3117 if (!fgets(l, sizeof(l), f)) {
3118 if (feof(f))
3119 break;
3120
3121 r = -errno;
3122 log_error("Failed to read configuration file '/etc/insserv.conf': %s", strerror(-r));
3123 goto finish;
3124 }
3125
3126 t = strstrip(l);
3127 if (*t != '$' && *t != '<')
3128 continue;
3129
3130 parsed = strv_split(t,WHITESPACE);
3131 /* we ignore <interactive>, not used, equivalent to X-Interactive */
3132 if (parsed && !startswith_no_case (parsed[0], "<interactive>")) {
3133 char *facility;
3134 Unit *u;
3135 if (sysv_translate_facility(parsed[0], NULL, &facility) < 0)
3136 continue;
ac155bb8 3137 if ((u = manager_get_unit(mgr, facility)) && (u->type == UNIT_TARGET)) {
de3910a3
FC		 3138 UnitDependency e;
3139 char *dep = NULL, *name, **j;
3140
3141 STRV_FOREACH (j, parsed+1) {
3142 if (*j[0]=='+') {
3143 e = UNIT_WANTS;
3144 name = *j+1;
3145 }
3146 else {
3147 e = UNIT_REQUIRES;
3148 name = *j;
3149 }
3150 if (sysv_translate_facility(name, NULL, &dep) < 0)
3151 continue;
3152
3153 r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, e, dep, NULL, true);
3154 free(dep);
3155 }
3156 }
3157 free(facility);
3158 }
3159 strv_free(parsed);
3160 }
3161finish:
3162 if (f)
3163 fclose(f);
3164
3165}
3166#endif
3167
2c4104f0 3168static int service_enumerate(Manager *m) {
2c4104f0
LP		 3169 char **p;
3170 unsigned i;
3171 DIR *d = NULL;
3172 char *path = NULL, *fpath = NULL, *name = NULL;
c68364b7
LP		 3173 Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
3174 Unit *service;
3175 Iterator j;
2c4104f0
LP		 3176 int r;
3177
3178 assert(m);
3179
b1bc08e5
LP		 3180 if (m->running_as != MANAGER_SYSTEM)
3181 return 0;
3182
c68364b7
LP		 3183 zero(runlevel_services);
3184
84e3543e 3185 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 3186 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 3187 struct dirent *de;
3188
3189 free(path);
70132bd0
LP		 3190 path = join(*p, "/", rcnd_table[i].path, NULL);
3191 if (!path) {
2c4104f0
LP		 3192 r = -ENOMEM;
3193 goto finish;
3194 }
3195
3196 if (d)
3197 closedir(d);
3198
3199 if (!(d = opendir(path))) {
3200 if (errno != ENOENT)
3201 log_warning("opendir() failed on %s: %s", path, strerror(errno));
3202
3203 continue;
3204 }
3205
3206 while ((de = readdir(d))) {
db06e3b6 3207 int a, b;
2c4104f0
LP		 3208
3209 if (ignore_file(de->d_name))
3210 continue;
3211
3212 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
3213 continue;
3214
3215 if (strlen(de->d_name) < 4)
3216 continue;
3217
db06e3b6
LP		 3218 a = undecchar(de->d_name[1]);
3219 b = undecchar(de->d_name[2]);
3220
3221 if (a < 0 || b < 0)
3222 continue;
3223
2c4104f0 3224 free(fpath);
44d91056 3225 fpath = join(path, "/", de->d_name, NULL);
8ea913b2 3226 if (!fpath) {
2c4104f0
LP		 3227 r = -ENOMEM;
3228 goto finish;
3229 }
3230
3231 if (access(fpath, X_OK) < 0) {
3232
3233 if (errno != ENOENT)
3234 log_warning("access() failed on %s: %s", fpath, strerror(errno));
3235
3236 continue;
3237 }
3238
3239 free(name);
b7ccee3c 3240 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 3241 r = -ENOMEM;
3242 goto finish;
3243 }
3244
398ef8ba 3245 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
fbe9f3a9
LP		 3246 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
3247 continue;
3248 }
2c4104f0 3249
c68364b7
LP		 3250 if (de->d_name[0] == 'S') {
3251
f73d93a4 3252 if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
ea87ca5a
LP		 3253 SERVICE(service)->sysv_start_priority_from_rcnd =
3254 MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd);
db06e3b6 3255
c68364b7 3256 SERVICE(service)->sysv_enabled = true;
f73d93a4 3257 }
db06e3b6 3258
c68364b7
LP		 3259 if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
3260 goto finish;
2c4104f0 3261
c68364b7 3262 if ((r = set_put(runlevel_services[i], service)) < 0)
2c4104f0 3263 goto finish;
23a177ef 3264
fc5df99e
LP		 3265 } else if (de->d_name[0] == 'K' &&
3266 (rcnd_table[i].type == RUNLEVEL_DOWN ||
3267 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f 3268
c68364b7
LP		 3269 if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
3270 goto finish;
3271
3272 if ((r = set_put(shutdown_services, service)) < 0)
2c4104f0
LP		 3273 goto finish;
3274 }
3275 }
3276 }
3277
c68364b7
LP		 3278 /* Now we loaded all stubs and are aware of the lowest
3279 start-up priority for all services, not let's actually load
3280 the services, this will also tell us which services are
3281 actually native now */
3282 manager_dispatch_load_queue(m);
3283
3284 /* If this is a native service, rely on native ways to pull in
3285 * a service, don't pull it in via sysv rcN.d links. */
3286 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
3287 SET_FOREACH(service, runlevel_services[i], j) {
3288 service = unit_follow_merge(service);
3289
ac155bb8 3290 if (service->fragment_path)
c68364b7
LP		 3291 continue;
3292
3293 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
3294 goto finish;
3295 }
3296
3297 /* We honour K links only for halt/reboot. For the normal
3298 * runlevels we assume the stop jobs will be implicitly added
35b8ca3a 3299 * by the core logic. Also, we don't really distinguish here
c68364b7
LP		 3300 * between the runlevels 0 and 6 and just add them to the
3301 * special shutdown target. On SUSE the boot.d/ runlevel is
3302 * also used for shutdown, so we add links for that too to the
3303 * shutdown target.*/
3304 SET_FOREACH(service, shutdown_services, j) {
3305 service = unit_follow_merge(service);
3306
ac155bb8 3307 if (service->fragment_path)
c68364b7
LP		 3308 continue;
3309
ead8e478 3310 if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
c68364b7
LP		 3311 goto finish;
3312 }
3313
2c4104f0
LP		 3314 r = 0;
3315
de3910a3 3316#ifdef TARGET_SUSE
3a111838 3317 sysv_facility_in_insserv_conf (m);
de3910a3
FC		 3318#endif
3319
2c4104f0
LP		 3320finish:
3321 free(path);
3322 free(fpath);
3323 free(name);
fbe9f3a9 3324
c68364b7
LP		 3325 for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
3326 set_free(runlevel_services[i]);
3327 set_free(shutdown_services);
3328
fbe9f3a9
LP		 3329 if (d)
3330 closedir(d);
2c4104f0
LP		 3331
3332 return r;
3333}
07459bb6 3334#endif
2c4104f0 3335
05e343b7
LP		 3336static void service_bus_name_owner_change(
3337 Unit *u,
3338 const char *name,
3339 const char *old_owner,
3340 const char *new_owner) {
3341
3342 Service *s = SERVICE(u);
3343
3344 assert(s);
3345 assert(name);
3346
3347 assert(streq(s->bus_name, name));
3348 assert(old_owner || new_owner);
3349
3350 if (old_owner && new_owner)
ac155bb8 3351 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->id, name, old_owner, new_owner);
05e343b7 3352 else if (old_owner)
ac155bb8 3353 log_debug("%s's D-Bus name %s no longer registered by %s", u->id, name, old_owner);
05e343b7 3354 else
ac155bb8 3355 log_debug("%s's D-Bus name %s now registered by %s", u->id, name, new_owner);
05e343b7
LP		 3356
3357 s->bus_name_good = !!new_owner;
3358
3359 if (s->type == SERVICE_DBUS) {
3360
3361 /* service_enter_running() will figure out what to
3362 * do */
3363 if (s->state == SERVICE_RUNNING)
3364 service_enter_running(s, true);
3365 else if (s->state == SERVICE_START && new_owner)
3366 service_enter_start_post(s);
3367
3368 } else if (new_owner &&
3369 s->main_pid <= 0 &&
3370 (s->state == SERVICE_START ||
3371 s->state == SERVICE_START_POST ||
3372 s->state == SERVICE_RUNNING ||
3373 s->state == SERVICE_RELOAD)) {
3374
3375 /* Try to acquire PID from bus service */
3376 log_debug("Trying to acquire PID from D-Bus name...");
3377
ac155bb8 3378 bus_query_pid(u->manager, name);
05e343b7
LP		 3379 }
3380}
3381
3382static void service_bus_query_pid_done(
3383 Unit *u,
3384 const char *name,
3385 pid_t pid) {
3386
3387 Service *s = SERVICE(u);
3388
3389 assert(s);
3390 assert(name);
3391
ac155bb8 3392 log_debug("%s's D-Bus name %s is now owned by process %u", u->id, name, (unsigned) pid);
05e343b7
LP		 3393
3394 if (s->main_pid <= 0 &&
3395 (s->state == SERVICE_START ||
3396 s->state == SERVICE_START_POST ||
3397 s->state == SERVICE_RUNNING ||
3398 s->state == SERVICE_RELOAD))
5925dd3c 3399 service_set_main_pid(s, pid);
05e343b7
LP		 3400}
3401
6cf6bbc2 3402int service_set_socket_fd(Service *s, int fd, Socket *sock) {
57020a3a 3403
4f2d528d
LP		 3404 assert(s);
3405 assert(fd >= 0);
3406
3407 /* This is called by the socket code when instantiating a new
3408 * service for a stream socket and the socket needs to be
3409 * configured. */
3410
1124fe6f 3411 if (UNIT(s)->load_state != UNIT_LOADED)
4f2d528d
LP		 3412 return -EINVAL;
3413
3414 if (s->socket_fd >= 0)
3415 return -EBUSY;
3416
3417 if (s->state != SERVICE_DEAD)
3418 return -EAGAIN;
3419
3420 s->socket_fd = fd;
701cc384 3421 s->got_socket_fd = true;
6cf6bbc2 3422
57020a3a
LP		 3423 unit_ref_set(&s->accept_socket, UNIT(sock));
3424
3425 return unit_add_two_dependencies(UNIT(sock), UNIT_BEFORE, UNIT_TRIGGERS, UNIT(s), false);
4f2d528d
LP		 3426}
3427
fdf20a31 3428static void service_reset_failed(Unit *u) {
5632e374
LP		 3429 Service *s = SERVICE(u);
3430
3431 assert(s);
3432
fdf20a31 3433 if (s->state == SERVICE_FAILED)
5632e374
LP		 3434 service_set_state(s, SERVICE_DEAD);
3435
3436 s->failure = false;
3437}
3438
5f4b19f4
LP		 3439static bool service_need_daemon_reload(Unit *u) {
3440 Service *s = SERVICE(u);
3441
3442 assert(s);
3443
3444#ifdef HAVE_SYSV_COMPAT
3445 if (s->sysv_path) {
3446 struct stat st;
3447
3448 zero(st);
3449 if (stat(s->sysv_path, &st) < 0)
3450 /* What, cannot access this anymore? */
3451 return true;
3452
3453 if (s->sysv_mtime > 0 &&
3454 timespec_load(&st.st_mtim) != s->sysv_mtime)
3455 return true;
3456 }
3457#endif
3458
3459 return false;
3460}
3461
8a0867d6
LP		 3462static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) {
3463 Service *s = SERVICE(u);
3464 int r = 0;
3465 Set *pid_set = NULL;
3466
3467 assert(s);
3468
3469 if (s->main_pid <= 0 && who == KILL_MAIN) {
3470 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill");
a17204af 3471 return -ESRCH;
8a0867d6
LP		 3472 }
3473
3474 if (s->control_pid <= 0 && who == KILL_CONTROL) {
3475 dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill");
a17204af 3476 return -ESRCH;
8a0867d6
LP		 3477 }
3478
3611581e
LP		 3479 if (who == KILL_CONTROL || who == KILL_ALL)
3480 if (s->control_pid > 0)
3481 if (kill(s->control_pid, signo) < 0)
3482 r = -errno;
8a0867d6 3483
3611581e
LP		 3484 if (who == KILL_MAIN || who == KILL_ALL)
3485 if (s->main_pid > 0)
3486 if (kill(s->main_pid, signo) < 0)
3487 r = -errno;
8a0867d6 3488
3611581e 3489 if (who == KILL_ALL && mode == KILL_CONTROL_GROUP) {
8a0867d6
LP		 3490 int q;
3491
3492 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func)))
3493 return -ENOMEM;
3494
3495 /* Exclude the control/main pid from being killed via the cgroup */
3496 if (s->control_pid > 0)
3497 if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) {
3498 r = q;
3499 goto finish;
3500 }
3501
3502 if (s->main_pid > 0)
3503 if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) {
3504 r = q;
3505 goto finish;
3506 }
3507
1124fe6f 3508 if ((q = cgroup_bonding_kill_list(UNIT(s)->cgroup_bondings, signo, false, pid_set)) < 0)
3611581e 3509 if (q != -EAGAIN && q != -ESRCH && q != -ENOENT)
8a0867d6
LP		 3510 r = q;
3511 }
3512
3513finish:
3514 if (pid_set)
3515 set_free(pid_set);
3516
3517 return r;
3518}
3519
94f04347
LP		 3520static const char* const service_state_table[_SERVICE_STATE_MAX] = {
3521 [SERVICE_DEAD] = "dead",
3522 [SERVICE_START_PRE] = "start-pre",
3523 [SERVICE_START] = "start",
3524 [SERVICE_START_POST] = "start-post",
3525 [SERVICE_RUNNING] = "running",
80876c20 3526 [SERVICE_EXITED] = "exited",
94f04347
LP		 3527 [SERVICE_RELOAD] = "reload",
3528 [SERVICE_STOP] = "stop",
3529 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
3530 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
3531 [SERVICE_STOP_POST] = "stop-post",
3532 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
3533 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 3534 [SERVICE_FAILED] = "failed",
94f04347
LP		 3535 [SERVICE_AUTO_RESTART] = "auto-restart",
3536};
3537
3538DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
3539
3540static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
525ee6f4
LP		 3541 [SERVICE_RESTART_NO] = "no",
3542 [SERVICE_RESTART_ON_SUCCESS] = "on-success",
50caaedb
LP		 3543 [SERVICE_RESTART_ON_FAILURE] = "on-failure",
3544 [SERVICE_RESTART_ON_ABORT] = "on-abort",
3545 [SERVICE_RESTART_ALWAYS] = "always"
94f04347
LP		 3546};
3547
3548DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
3549
3550static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
94f04347 3551 [SERVICE_SIMPLE] = "simple",
0d624a78 3552 [SERVICE_FORKING] = "forking",
34e9ba66 3553 [SERVICE_ONESHOT] = "oneshot",
8c47c732
LP		 3554 [SERVICE_DBUS] = "dbus",
3555 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 3556};
3557
3558DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
3559
e537352b 3560static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 3561 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
3562 [SERVICE_EXEC_START] = "ExecStart",
3563 [SERVICE_EXEC_START_POST] = "ExecStartPost",
3564 [SERVICE_EXEC_RELOAD] = "ExecReload",
3565 [SERVICE_EXEC_STOP] = "ExecStop",
3566 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
3567};
3568
3569DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
3570
c952c6ec
LP		 3571static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
3572 [NOTIFY_NONE] = "none",
3573 [NOTIFY_MAIN] = "main",
3574 [NOTIFY_ALL] = "all"
3575};
3576
3577DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
3578
87f0e418 3579const UnitVTable service_vtable = {
5cb5a6ff 3580 .suffix = ".service",
7d17cfbc 3581 .object_size = sizeof(Service),
f975e971
LP		 3582 .sections =
3583 "Unit\0"
3584 "Service\0"
3585 "Install\0",
9e58ff9c 3586 .show_status = true,
5cb5a6ff 3587
034c6ed7
LP		 3588 .init = service_init,
3589 .done = service_done,
a16e1123
LP		 3590 .load = service_load,
3591
3592 .coldplug = service_coldplug,
034c6ed7 3593
5cb5a6ff
LP		 3594 .dump = service_dump,
3595
3596 .start = service_start,
3597 .stop = service_stop,
3598 .reload = service_reload,
3599
034c6ed7
LP		 3600 .can_reload = service_can_reload,
3601
8a0867d6
LP		 3602 .kill = service_kill,
3603
a16e1123
LP		 3604 .serialize = service_serialize,
3605 .deserialize_item = service_deserialize_item,
3606
5cb5a6ff 3607 .active_state = service_active_state,
10a94420 3608 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 3609
701cc384
LP		 3610 .check_gc = service_check_gc,
3611 .check_snapshot = service_check_snapshot,
3612
034c6ed7
LP		 3613 .sigchld_event = service_sigchld_event,
3614 .timer_event = service_timer_event,
3a111838 3615 .fd_event = service_fd_event,
2c4104f0 3616
fdf20a31 3617 .reset_failed = service_reset_failed,
5632e374 3618
5f4b19f4
LP		 3619 .need_daemon_reload = service_need_daemon_reload,
3620
8e274523 3621 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 3622 .notify_message = service_notify_message,
8e274523 3623
05e343b7
LP		 3624 .bus_name_owner_change = service_bus_name_owner_change,
3625 .bus_query_pid_done = service_bus_query_pid_done,
3626
c4e2ceae 3627 .bus_interface = "org.freedesktop.systemd1.Service",
4139c1b2 3628 .bus_message_handler = bus_service_message_handler,
c4e2ceae 3629 .bus_invalidating_properties = bus_service_invalidating_properties,
4139c1b2 3630
07459bb6 3631#ifdef HAVE_SYSV_COMPAT
2c4104f0 3632 .enumerate = service_enumerate
07459bb6 3633#endif
5cb5a6ff 3634};
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