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socket: enforce limit on number of concurrent connections
[thirdparty/systemd.git] / src / service.c
CommitLineData
5cb5a6ff
LP		 1/*-*- Mode: C; c-basic-offset: 8 -*-*/
2
a7334b09
LP		 3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
5cb5a6ff 22#include <errno.h>
034c6ed7 23#include <signal.h>
2c4104f0
LP		 24#include <dirent.h>
25#include <unistd.h>
5cb5a6ff 26
87f0e418 27#include "unit.h"
5cb5a6ff
LP		 28#include "service.h"
29#include "load-fragment.h"
30#include "load-dropin.h"
034c6ed7 31#include "log.h"
2c4104f0 32#include "strv.h"
9e2f7c11 33#include "unit-name.h"
4139c1b2 34#include "dbus-service.h"
514f4ef5 35#include "special.h"
2c4104f0
LP		 36
37#define COMMENTS "#;\n"
38#define NEWLINES "\n\r"
39#define LINE_MAX 4096
034c6ed7 40
09cd1ab1
LP		 41typedef enum RunlevelType {
42 RUNLEVEL_UP,
43 RUNLEVEL_DOWN,
fc5df99e 44 RUNLEVEL_SYSINIT
09cd1ab1
LP		 45} RunlevelType;
46
47static const struct {
48 const char *path;
49 const char *target;
50 const RunlevelType type;
51} rcnd_table[] = {
fbe9f3a9 52 /* Standard SysV runlevels */
514f4ef5
LP		 53 { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
54 { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP },
fbe9f3a9
LP		 55 { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
56 { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
57 { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
58 { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
514f4ef5 59 { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN },
fbe9f3a9 60
cfe243e3 61 /* SUSE style boot.d */
fc5df99e 62 { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
fbe9f3a9
LP		 63
64 /* Debian style rcS.d */
fc5df99e 65 { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT },
23a177ef
LP		 66};
67
09cd1ab1 68#define RUNLEVELS_UP "12345"
fbe9f3a9
LP		 69/* #define RUNLEVELS_DOWN "06" */
70/* #define RUNLEVELS_BOOT "bBsS" */
09cd1ab1 71
acbb0225 72static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
87f0e418
LP		 73 [SERVICE_DEAD] = UNIT_INACTIVE,
74 [SERVICE_START_PRE] = UNIT_ACTIVATING,
75 [SERVICE_START] = UNIT_ACTIVATING,
76 [SERVICE_START_POST] = UNIT_ACTIVATING,
77 [SERVICE_RUNNING] = UNIT_ACTIVE,
80876c20 78 [SERVICE_EXITED] = UNIT_ACTIVE,
87f0e418
LP		 79 [SERVICE_RELOAD] = UNIT_ACTIVE_RELOADING,
80 [SERVICE_STOP] = UNIT_DEACTIVATING,
81 [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING,
82 [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING,
83 [SERVICE_STOP_POST] = UNIT_DEACTIVATING,
84 [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING,
85 [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING,
18c78fb1 86 [SERVICE_MAINTENANCE] = UNIT_INACTIVE,
87f0e418 87 [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING,
034c6ed7 88};
5cb5a6ff 89
a16e1123
LP		 90static void service_init(Unit *u) {
91 Service *s = SERVICE(u);
92
93 assert(u);
94 assert(u->meta.load_state == UNIT_STUB);
95
96 s->timeout_usec = DEFAULT_TIMEOUT_USEC;
97 s->restart_usec = DEFAULT_RESTART_USEC;
98 s->timer_watch.type = WATCH_INVALID;
99 s->sysv_start_priority = -1;
100 s->socket_fd = -1;
101
102 exec_context_init(&s->exec_context);
103
104 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
105
106 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
107}
108
5e94833f
LP		 109static void service_unwatch_control_pid(Service *s) {
110 assert(s);
111
112 if (s->control_pid <= 0)
113 return;
114
115 unit_unwatch_pid(UNIT(s), s->control_pid);
116 s->control_pid = 0;
117}
118
119static void service_unwatch_main_pid(Service *s) {
120 assert(s);
121
122 if (s->main_pid <= 0)
123 return;
124
125 unit_unwatch_pid(UNIT(s), s->main_pid);
126 s->main_pid = 0;
127}
128
5925dd3c 129static int service_set_main_pid(Service *s, pid_t pid) {
e55224ca
LP		 130 pid_t ppid;
131
5925dd3c
LP		 132 assert(s);
133
134 if (pid <= 1)
135 return -EINVAL;
136
137 if (pid == getpid())
138 return -EINVAL;
139
e55224ca
LP		 140 if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
141 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
142 s->meta.id, (unsigned long) pid);
143
5925dd3c
LP		 144 s->main_pid = pid;
145 s->main_pid_known = true;
146
147 return 0;
148}
149
4f2d528d
LP		 150static void service_close_socket_fd(Service *s) {
151 assert(s);
152
153 if (s->socket_fd < 0)
154 return;
155
156 close_nointr_nofail(s->socket_fd);
157 s->socket_fd = -1;
158}
159
6cf6bbc2
LP		 160static void service_connection_unref(Service *s) {
161 assert(s);
162
163 if (!s->socket)
164 return;
165
166 socket_connection_unref(s->socket);
167 s->socket = NULL;
168}
169
87f0e418
LP		 170static void service_done(Unit *u) {
171 Service *s = SERVICE(u);
44d8db9e
LP		 172
173 assert(s);
174
175 free(s->pid_file);
176 s->pid_file = NULL;
177
2c4104f0
LP		 178 free(s->sysv_path);
179 s->sysv_path = NULL;
180
8309400a
LP		 181 free(s->sysv_runlevels);
182 s->sysv_runlevels = NULL;
183
8c47c732
LP		 184 free(s->status_text);
185 s->status_text = NULL;
186
44d8db9e 187 exec_context_done(&s->exec_context);
e537352b 188 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e
LP		 189 s->control_command = NULL;
190
191 /* This will leak a process, but at least no memory or any of
192 * our resources */
5e94833f
LP		 193 service_unwatch_main_pid(s);
194 service_unwatch_control_pid(s);
44d8db9e 195
05e343b7
LP		 196 if (s->bus_name) {
197 unit_unwatch_bus_name(UNIT(u), s->bus_name);
198 free(s->bus_name);
199 s->bus_name = NULL;
200 }
201
4f2d528d 202 service_close_socket_fd(s);
6cf6bbc2 203 service_connection_unref(s);
4f2d528d 204
acbb0225 205 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 206}
207
b7ccee3c
LP		 208static char *sysv_translate_name(const char *name) {
209 char *r;
210
211 if (!(r = new(char, strlen(name) + sizeof(".service"))))
212 return NULL;
213
214 if (startswith(name, "boot."))
215 /* Drop SuSE-style boot. prefix */
216 strcpy(stpcpy(r, name + 5), ".service");
217 else if (endswith(name, ".sh"))
218 /* Drop Debian-style .sh suffix */
219 strcpy(stpcpy(r, name) - 3, ".service");
220 else
221 /* Normal init scripts */
222 strcpy(stpcpy(r, name), ".service");
223
224 return r;
225}
226
227static int sysv_translate_facility(const char *name, char **_r) {
2c4104f0
LP		 228
229 static const char * const table[] = {
6464aa08 230 /* LSB defined facilities */
2c4104f0
LP		 231 "$local_fs", SPECIAL_LOCAL_FS_TARGET,
232 "$network", SPECIAL_NETWORK_TARGET,
233 "$named", SPECIAL_NSS_LOOKUP_TARGET,
234 "$portmap", SPECIAL_RPCBIND_TARGET,
235 "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
236 "$syslog", SPECIAL_SYSLOG_TARGET,
6464aa08
LP		 237 "$time", SPECIAL_RTC_SET_TARGET,
238
239 /* Debian extensions */
240 "$mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
241 "$mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
1e287fe3 242 "$x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE
2c4104f0
LP		 243 };
244
245 unsigned i;
246 char *r;
247
248 for (i = 0; i < ELEMENTSOF(table); i += 2)
249 if (streq(table[i], name)) {
250 if (!(r = strdup(table[i+1])))
251 return -ENOMEM;
252
253 goto finish;
254 }
255
256 if (*name == '$')
257 return 0;
258
b7ccee3c 259 if (!(r = sysv_translate_name(name)))
2c4104f0
LP		 260 return -ENOMEM;
261
262finish:
263
264 if (_r)
265 *_r = r;
266
267 return 1;
268}
269
56d748b4 270static int sysv_fix_order(Service *s) {
2c4104f0
LP		 271 Meta *other;
272 int r;
273
274 assert(s);
275
276 if (s->sysv_start_priority < 0)
277 return 0;
278
23a177ef
LP		 279 /* For each pair of services where at least one lacks a LSB
280 * header, we use the start priority value to order things. */
2c4104f0
LP		 281
282 LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) {
283 Service *t;
284 UnitDependency d;
285
286 t = (Service*) other;
287
288 if (s == t)
289 continue;
290
291 if (t->sysv_start_priority < 0)
292 continue;
293
51a1a79d
LP		 294 /* If both units have modern headers we don't care
295 * about the priorities */
296 if ((!s->sysv_path || s->sysv_has_lsb) &&
297 (!t->sysv_path || t->sysv_has_lsb))
23a177ef
LP		 298 continue;
299
2c4104f0
LP		 300 if (t->sysv_start_priority < s->sysv_start_priority)
301 d = UNIT_AFTER;
302 else if (t->sysv_start_priority > s->sysv_start_priority)
303 d = UNIT_BEFORE;
304 else
305 continue;
306
307 /* FIXME: Maybe we should compare the name here lexicographically? */
308
701cc384 309 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
2c4104f0
LP		 310 return r;
311 }
312
313 return 0;
314}
315
316static ExecCommand *exec_command_new(const char *path, const char *arg1) {
317 ExecCommand *c;
318
319 if (!(c = new0(ExecCommand, 1)))
320 return NULL;
321
322 if (!(c->path = strdup(path))) {
323 free(c);
324 return NULL;
325 }
326
327 if (!(c->argv = strv_new(path, arg1, NULL))) {
328 free(c->path);
329 free(c);
330 return NULL;
331 }
332
333 return c;
334}
335
336static int sysv_exec_commands(Service *s) {
337 ExecCommand *c;
338
339 assert(s);
340 assert(s->sysv_path);
341
342 if (!(c = exec_command_new(s->sysv_path, "start")))
343 return -ENOMEM;
344 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
345
346 if (!(c = exec_command_new(s->sysv_path, "stop")))
347 return -ENOMEM;
348 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
349
350 if (!(c = exec_command_new(s->sysv_path, "reload")))
351 return -ENOMEM;
352 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
353
354 return 0;
355}
356
e537352b 357static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 358 FILE *f;
359 Unit *u;
360 unsigned line = 0;
361 int r;
362 enum {
363 NORMAL,
364 DESCRIPTION,
365 LSB,
366 LSB_DESCRIPTION
367 } state = NORMAL;
23a177ef
LP		 368
369 assert(s);
370 assert(path);
2c4104f0
LP		 371
372 u = UNIT(s);
373
374 if (!(f = fopen(path, "re"))) {
375 r = errno == ENOENT ? 0 : -errno;
376 goto finish;
377 }
378
2c4104f0
LP		 379 free(s->sysv_path);
380 if (!(s->sysv_path = strdup(path))) {
381 r = -ENOMEM;
382 goto finish;
383 }
384
385 while (!feof(f)) {
386 char l[LINE_MAX], *t;
387
388 if (!fgets(l, sizeof(l), f)) {
389 if (feof(f))
390 break;
391
392 r = -errno;
393 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
394 goto finish;
395 }
396
397 line++;
398
399 t = strstrip(l);
400 if (*t != '#')
401 continue;
402
403 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
404 state = LSB;
23a177ef 405 s->sysv_has_lsb = true;
2c4104f0
LP		 406 continue;
407 }
408
409 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
410 state = NORMAL;
411 continue;
412 }
413
414 t++;
415 t += strspn(t, WHITESPACE);
416
417 if (state == NORMAL) {
418
419 /* Try to parse Red Hat style chkconfig headers */
420
c2b35af6 421 if (startswith_no_case(t, "chkconfig:")) {
2c4104f0 422 int start_priority;
8309400a 423 char runlevels[16], *k;
2c4104f0
LP		 424
425 state = NORMAL;
426
8309400a
LP		 427 if (sscanf(t+10, "%15s %i %*i",
428 runlevels,
429 &start_priority) != 2) {
2c4104f0
LP		 430
431 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
432 continue;
433 }
434
fbe9f3a9
LP		 435 /* A start priority gathered from the
436 * symlink farms is preferred over the
437 * data from the LSB header. */
8309400a 438 if (start_priority < 0 || start_priority > 99)
2c4104f0 439 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
db06e3b6 440 else if (s->sysv_start_priority < 0)
8309400a
LP		 441 s->sysv_start_priority = start_priority;
442
443 char_array_0(runlevels);
444 k = delete_chars(runlevels, WHITESPACE "-");
445
446 if (k[0]) {
447 char *d;
448
449 if (!(d = strdup(k))) {
450 r = -ENOMEM;
451 goto finish;
452 }
453
454 free(s->sysv_runlevels);
455 s->sysv_runlevels = d;
2c4104f0
LP		 456 }
457
c2b35af6 458 } else if (startswith_no_case(t, "description:")) {
2c4104f0
LP		 459
460 size_t k = strlen(t);
461 char *d;
462
463 if (t[k-1] == '\\') {
464 state = DESCRIPTION;
465 t[k-1] = 0;
466 }
467
468 if (!(d = strdup(strstrip(t+12)))) {
469 r = -ENOMEM;
470 goto finish;
471 }
472
473 free(u->meta.description);
474 u->meta.description = d;
475
c2b35af6 476 } else if (startswith_no_case(t, "pidfile:")) {
2c4104f0
LP		 477
478 char *fn;
479
480 state = NORMAL;
481
482 fn = strstrip(t+8);
483 if (!path_is_absolute(fn)) {
484 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
485 continue;
486 }
487
488 if (!(fn = strdup(fn))) {
489 r = -ENOMEM;
490 goto finish;
491 }
492
493 free(s->pid_file);
494 s->pid_file = fn;
495 }
496
497 } else if (state == DESCRIPTION) {
498
499 /* Try to parse Red Hat style description
500 * continuation */
501
502 size_t k = strlen(t);
503 char *d;
504
505 if (t[k-1] == '\\')
506 t[k-1] = 0;
507 else
508 state = NORMAL;
509
510 assert(u->meta.description);
511 if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
512 r = -ENOMEM;
513 goto finish;
514 }
515
516 free(u->meta.description);
517 u->meta.description = d;
518
519 } else if (state == LSB || state == LSB_DESCRIPTION) {
520
c2b35af6 521 if (startswith_no_case(t, "Provides:")) {
2c4104f0
LP		 522 char *i, *w;
523 size_t z;
524
525 state = LSB;
526
527 FOREACH_WORD(w, z, t+9, i) {
528 char *n, *m;
529
530 if (!(n = strndup(w, z))) {
531 r = -ENOMEM;
532 goto finish;
533 }
534
b7ccee3c 535 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 536 free(n);
537
538 if (r < 0)
539 goto finish;
540
541 if (r == 0)
542 continue;
543
bd77d0fc
LP		 544 if (unit_name_to_type(m) == UNIT_SERVICE)
545 r = unit_add_name(u, m);
546 else {
701cc384
LP		 547 if ((r = unit_add_dependency_by_name_inverse(u, UNIT_REQUIRES, m, NULL, true)) >= 0)
548 r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true);
bd77d0fc
LP		 549 }
550
2c4104f0
LP		 551 free(m);
552
553 if (r < 0)
554 goto finish;
555 }
556
c2b35af6
LP		 557 } else if (startswith_no_case(t, "Required-Start:") ||
558 startswith_no_case(t, "Should-Start:") ||
559 startswith_no_case(t, "X-Start-Before:") ||
560 startswith_no_case(t, "X-Start-After:")) {
2c4104f0
LP		 561 char *i, *w;
562 size_t z;
563
564 state = LSB;
565
566 FOREACH_WORD(w, z, strchr(t, ':')+1, i) {
567 char *n, *m;
568
569 if (!(n = strndup(w, z))) {
570 r = -ENOMEM;
571 goto finish;
572 }
573
b7ccee3c 574 r = sysv_translate_facility(n, &m);
2c4104f0
LP		 575 free(n);
576
577 if (r < 0)
578 goto finish;
579
580 if (r == 0)
581 continue;
582
c2b35af6 583 r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
2c4104f0
LP		 584 free(m);
585
586 if (r < 0)
587 goto finish;
588 }
c2b35af6 589 } else if (startswith_no_case(t, "Default-Start:")) {
8309400a
LP		 590 char *k, *d;
591
592 state = LSB;
593
594 k = delete_chars(t+14, WHITESPACE "-");
595
596 if (k[0] != 0) {
597 if (!(d = strdup(k))) {
598 r = -ENOMEM;
599 goto finish;
600 }
601
602 free(s->sysv_runlevels);
603 s->sysv_runlevels = d;
604 }
2c4104f0 605
c2b35af6 606 } else if (startswith_no_case(t, "Description:")) {
2c4104f0
LP		 607 char *d;
608
609 state = LSB_DESCRIPTION;
610
611 if (!(d = strdup(strstrip(t+12)))) {
612 r = -ENOMEM;
613 goto finish;
614 }
615
616 free(u->meta.description);
617 u->meta.description = d;
618
c2b35af6 619 } else if (startswith_no_case(t, "Short-Description:") &&
8309400a 620 !u->meta.description) {
2c4104f0
LP		 621 char *d;
622
623 /* We use the short description only
624 * if no long description is set. */
625
626 state = LSB;
627
628 if (!(d = strdup(strstrip(t+18)))) {
629 r = -ENOMEM;
630 goto finish;
631 }
632
2c4104f0
LP		 633 u->meta.description = d;
634
723c83fd
LP		 635 } else if (startswith_no_case(t, "X-Interactive:")) {
636 int b;
637
638 if ((b = parse_boolean(strstrip(t+14))) < 0) {
639 log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
640 continue;
641 }
642
643 if (b)
644 s->exec_context.std_input = EXEC_INPUT_TTY;
645 else
646 s->exec_context.std_input = EXEC_INPUT_NULL;
647
2c4104f0
LP		 648 } else if (state == LSB_DESCRIPTION) {
649
650 if (startswith(l, "#\t") || startswith(l, "# ")) {
651 char *d;
652
653 assert(u->meta.description);
654 if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
655 r = -ENOMEM;
656 goto finish;
657 }
658
659 free(u->meta.description);
660 u->meta.description = d;
661 } else
662 state = LSB;
663 }
664 }
665 }
666
2c4104f0
LP		 667 if ((r = sysv_exec_commands(s)) < 0)
668 goto finish;
669
09cd1ab1 670 if (!s->sysv_runlevels || chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
0bc824be
LP		 671 /* If there a runlevels configured for this service
672 * but none of the standard ones, then we assume this
673 * is some special kind of service (which might be
674 * needed for early boot) and don't create any links
675 * to it. */
676
701cc384
LP		 677 if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0 ||
678 (r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
0bc824be 679 goto finish;
09cd1ab1
LP		 680
681 } else
682 /* Don't timeout special services during boot (like fsck) */
683 s->timeout_usec = 0;
0fd030be 684
80876c20 685 /* Special setting for all SysV services */
1f48cf56 686 s->type = SERVICE_FORKING;
80876c20 687 s->valid_no_process = true;
b29a8e58 688 s->kill_mode = KILL_PROCESS_GROUP;
1f48cf56 689 s->restart = SERVICE_ONCE;
80876c20 690
e537352b 691 u->meta.load_state = UNIT_LOADED;
23a177ef 692 r = 0;
2c4104f0
LP		 693
694finish:
695
696 if (f)
697 fclose(f);
698
699 return r;
700}
701
e537352b 702static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 703 char **p;
704
705 assert(s);
706 assert(name);
707
d017c6ca
LP		 708 /* For SysV services we strip the boot. or .sh
709 * prefixes/suffixes. */
710 if (startswith(name, "boot.") ||
711 endswith(name, ".sh.service"))
712 return -ENOENT;
713
84e3543e 714 STRV_FOREACH(p, UNIT(s)->meta.manager->lookup_paths.sysvinit_path) {
2c4104f0
LP		 715 char *path;
716 int r;
717
718 if (asprintf(&path, "%s/%s", *p, name) < 0)
719 return -ENOMEM;
720
721 assert(endswith(path, ".service"));
722 path[strlen(path)-8] = 0;
723
e537352b 724 r = service_load_sysv_path(s, path);
fbe9f3a9
LP		 725
726 if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) {
d017c6ca 727 /* Try Debian style xxx.sh source'able init scripts */
fbe9f3a9
LP		 728 strcat(path, ".sh");
729 r = service_load_sysv_path(s, path);
730 }
731
2c4104f0
LP		 732 free(path);
733
fbe9f3a9 734 if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) {
cfe243e3 735 /* Try SUSE style boot.xxx init scripts */
fbe9f3a9
LP		 736
737 if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
738 return -ENOMEM;
739
740 path[strlen(path)-8] = 0;
741 r = service_load_sysv_path(s, path);
742 free(path);
743 }
744
23a177ef 745 if (r < 0)
2c4104f0 746 return r;
23a177ef 747
e537352b 748 if ((UNIT(s)->meta.load_state != UNIT_STUB))
23a177ef 749 break;
2c4104f0
LP		 750 }
751
752 return 0;
753}
754
e537352b 755static int service_load_sysv(Service *s) {
2c4104f0
LP		 756 const char *t;
757 Iterator i;
758 int r;
759
5cb5a6ff
LP		 760 assert(s);
761
762 /* Load service data from SysV init scripts, preferably with
763 * LSB headers ... */
764
84e3543e 765 if (strv_isempty(UNIT(s)->meta.manager->lookup_paths.sysvinit_path))
2c4104f0
LP		 766 return 0;
767
9e2f7c11 768 if ((t = UNIT(s)->meta.id))
e537352b 769 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 770 return r;
771
e537352b 772 if (UNIT(s)->meta.load_state == UNIT_STUB)
23a177ef 773 SET_FOREACH(t, UNIT(s)->meta.names, i) {
9e2f7c11 774 if (t == UNIT(s)->meta.id)
e537352b
LP		 775 continue;
776
777 if ((r == service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 778 return r;
779
e537352b 780 if (UNIT(s)->meta.load_state != UNIT_STUB)
23a177ef
LP		 781 break;
782 }
2c4104f0
LP		 783
784 return 0;
5cb5a6ff
LP		 785}
786
05e343b7
LP		 787static int service_add_bus_name(Service *s) {
788 char *n;
789 int r;
790
791 assert(s);
792 assert(s->bus_name);
793
794 if (asprintf(&n, "dbus-%s.service", s->bus_name) < 0)
795 return 0;
796
797 r = unit_merge_by_name(UNIT(s), n);
798 free(n);
799
800 return r;
801}
802
243b1432
LP		 803static int service_verify(Service *s) {
804 assert(s);
805
806 if (UNIT(s)->meta.load_state != UNIT_LOADED)
807 return 0;
808
809 if (!s->exec_command[SERVICE_EXEC_START]) {
9e2f7c11 810 log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->meta.id);
243b1432
LP		 811 return -EINVAL;
812 }
813
6cf6bbc2
LP		 814 if (s->exec_command[SERVICE_EXEC_START]->command_next) {
815 log_error("%s has more than one ExecStart setting. Refusing.", UNIT(s)->meta.id);
816 return -EINVAL;
817 }
818
05e343b7
LP		 819 if (s->type == SERVICE_DBUS && !s->bus_name) {
820 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->meta.id);
821 return -EINVAL;
822 }
823
243b1432
LP		 824 return 0;
825}
826
e537352b
LP		 827static int service_load(Unit *u) {
828 int r;
829 Service *s = SERVICE(u);
830
831 assert(s);
1e2e8133 832
5cb5a6ff 833 /* Load a .service file */
e537352b 834 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 835 return r;
836
bd77d0fc 837 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 838 if (u->meta.load_state == UNIT_STUB)
839 if ((r = service_load_sysv(s)) < 0)
23a177ef 840 return r;
d46de8a1 841
23a177ef 842 /* Still nothing found? Then let's give up */
e537352b 843 if (u->meta.load_state == UNIT_STUB)
23a177ef 844 return -ENOENT;
034c6ed7 845
23a177ef
LP		 846 /* We were able to load something, then let's add in the
847 * dropin directories. */
848 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 849 return r;
23a177ef
LP		 850
851 /* This is a new unit? Then let's add in some extras */
e537352b 852 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 853 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
854 return r;
855
856 if ((r = unit_add_default_cgroup(u)) < 0)
857 return r;
858
56d748b4 859 if ((r = sysv_fix_order(s)) < 0)
23a177ef 860 return r;
05e343b7
LP		 861
862 if (s->bus_name) {
863 if ((r = service_add_bus_name(s)) < 0)
864 return r;
865
866 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
867 return r;
868 }
c952c6ec
LP		 869
870 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
871 s->notify_access = NOTIFY_MAIN;
8e274523
LP		 872 }
873
243b1432 874 return service_verify(s);
034c6ed7
LP		 875}
876
87f0e418 877static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 878
5cb5a6ff 879 ServiceExecCommand c;
87f0e418 880 Service *s = SERVICE(u);
47be870b
LP		 881 const char *prefix2;
882 char *p2;
5cb5a6ff
LP		 883
884 assert(s);
885
47be870b
LP		 886 p2 = strappend(prefix, "\t");
887 prefix2 = p2 ? p2 : prefix;
44d8db9e 888
5cb5a6ff 889 fprintf(f,
81a2b7ce
LP		 890 "%sService State: %s\n"
891 "%sPermissionsStartOnly: %s\n"
8e274523 892 "%sRootDirectoryStartOnly: %s\n"
03d6ab85 893 "%sValidNoProcess: %s\n"
50159e6a 894 "%sKillMode: %s\n"
c952c6ec
LP		 895 "%sType: %s\n"
896 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 897 prefix, service_state_to_string(s->state),
898 prefix, yes_no(s->permissions_start_only),
8e274523 899 prefix, yes_no(s->root_directory_start_only),
03d6ab85 900 prefix, yes_no(s->valid_no_process),
50159e6a 901 prefix, kill_mode_to_string(s->kill_mode),
c952c6ec
LP		 902 prefix, service_type_to_string(s->type),
903 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 904
70123e68
LP		 905 if (s->control_pid > 0)
906 fprintf(f,
907 "%sControl PID: %llu\n",
908 prefix, (unsigned long long) s->control_pid);
909
910 if (s->main_pid > 0)
911 fprintf(f,
912 "%sMain PID: %llu\n",
913 prefix, (unsigned long long) s->main_pid);
914
034c6ed7
LP		 915 if (s->pid_file)
916 fprintf(f,
917 "%sPIDFile: %s\n",
918 prefix, s->pid_file);
919
05e343b7
LP		 920 if (s->bus_name)
921 fprintf(f,
922 "%sBusName: %s\n"
923 "%sBus Name Good: %s\n",
924 prefix, s->bus_name,
925 prefix, yes_no(s->bus_name_good));
926
5cb5a6ff
LP		 927 exec_context_dump(&s->exec_context, f, prefix);
928
e537352b 929 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 930
44d8db9e
LP		 931 if (!s->exec_command[c])
932 continue;
933
40d50879 934 fprintf(f, "%s-> %s:\n",
94f04347 935 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 936
937 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 938 }
44d8db9e 939
2c4104f0
LP		 940 if (s->sysv_path)
941 fprintf(f,
23a177ef
LP		 942 "%sSysV Init Script Path: %s\n"
943 "%sSysV Init Script has LSB Header: %s\n",
944 prefix, s->sysv_path,
945 prefix, yes_no(s->sysv_has_lsb));
2c4104f0
LP		 946
947 if (s->sysv_start_priority >= 0)
948 fprintf(f,
23a177ef 949 "%sSysVStartPriority: %i\n",
2c4104f0
LP		 950 prefix, s->sysv_start_priority);
951
8309400a
LP		 952 if (s->sysv_runlevels)
953 fprintf(f, "%sSysVRunLevels: %s\n",
954 prefix, s->sysv_runlevels);
23a177ef 955
8c47c732
LP		 956 if (s->status_text)
957 fprintf(f, "%sStatus Text: %s\n",
958 prefix, s->status_text);
959
47be870b 960 free(p2);
5cb5a6ff
LP		 961}
962
034c6ed7
LP		 963static int service_load_pid_file(Service *s) {
964 char *k;
034c6ed7 965 int r;
5925dd3c 966 pid_t pid;
034c6ed7
LP		 967
968 assert(s);
969
970 if (s->main_pid_known)
971 return 0;
972
5e94833f
LP		 973 assert(s->main_pid <= 0);
974
034c6ed7
LP		 975 if (!s->pid_file)
976 return -ENOENT;
977
978 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
979 return r;
980
5925dd3c
LP		 981 r = parse_pid(k, &pid);
982 free(k);
034c6ed7 983
5925dd3c
LP		 984 if (r < 0)
985 return r;
406eaf93 986
5925dd3c
LP		 987 if (kill(pid, 0) < 0 && errno != EPERM) {
988 log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
989 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 990 return -ESRCH;
991 }
992
5925dd3c 993 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 994 return r;
995
5925dd3c
LP		 996 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
997 /* FIXME: we need to do something here */
998 return r;
034c6ed7
LP		 999
1000 return 0;
1001}
1002
3e33402a
LP		 1003static int service_get_sockets(Service *s, Set **_set) {
1004 Set *set;
ceee3d82
LP		 1005 Iterator i;
1006 char *t;
3e33402a 1007 int r;
ceee3d82
LP		 1008
1009 assert(s);
3e33402a
LP		 1010 assert(_set);
1011
6cf6bbc2
LP		 1012 if (s->socket_fd >= 0)
1013 return 0;
1014
3e33402a
LP		 1015 /* Collects all Socket objects that belong to this
1016 * service. Note that a service might have multiple sockets
1017 * via multiple names. */
1018
1019 if (!(set = set_new(NULL, NULL)))
1020 return -ENOMEM;
ceee3d82
LP		 1021
1022 SET_FOREACH(t, UNIT(s)->meta.names, i) {
1023 char *k;
1024 Unit *p;
1025
1026 /* Look for all socket objects that go by any of our
1027 * units and collect their fds */
1028
3e33402a
LP		 1029 if (!(k = unit_name_change_suffix(t, ".socket"))) {
1030 r = -ENOMEM;
1031 goto fail;
1032 }
ceee3d82
LP		 1033
1034 p = manager_get_unit(UNIT(s)->meta.manager, k);
1035 free(k);
1036
8d567588
LP		 1037 if (!p)
1038 continue;
ceee3d82 1039
3e33402a
LP		 1040 if ((r = set_put(set, p)) < 0)
1041 goto fail;
ceee3d82
LP		 1042 }
1043
3e33402a
LP		 1044 *_set = set;
1045 return 0;
1046
1047fail:
1048 set_free(set);
1049 return r;
1050}
1051
e537352b 1052static int service_notify_sockets_dead(Service *s) {
3e33402a
LP		 1053 Iterator i;
1054 Set *set;
47be870b 1055 Socket *sock;
3e33402a
LP		 1056 int r;
1057
1058 assert(s);
1059
6cf6bbc2
LP		 1060 if (s->socket_fd >= 0)
1061 return 0;
1062
3e33402a 1063 /* Notifies all our sockets when we die */
3e33402a
LP		 1064 if ((r = service_get_sockets(s, &set)) < 0)
1065 return r;
1066
47be870b
LP		 1067 SET_FOREACH(sock, set, i)
1068 socket_notify_service_dead(sock);
3e33402a
LP		 1069
1070 set_free(set);
1071
ceee3d82
LP		 1072 return 0;
1073}
1074
034c6ed7
LP		 1075static void service_set_state(Service *s, ServiceState state) {
1076 ServiceState old_state;
5cb5a6ff
LP		 1077 assert(s);
1078
034c6ed7 1079 old_state = s->state;
5cb5a6ff 1080 s->state = state;
034c6ed7
LP		 1081
1082 if (state != SERVICE_START_PRE &&
1083 state != SERVICE_START &&
1084 state != SERVICE_START_POST &&
1085 state != SERVICE_RELOAD &&
1086 state != SERVICE_STOP &&
1087 state != SERVICE_STOP_SIGTERM &&
1088 state != SERVICE_STOP_SIGKILL &&
1089 state != SERVICE_STOP_POST &&
1090 state != SERVICE_FINAL_SIGTERM &&
1091 state != SERVICE_FINAL_SIGKILL &&
1092 state != SERVICE_AUTO_RESTART)
acbb0225 1093 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1094
7d55e835
LP		 1095 if (state != SERVICE_START &&
1096 state != SERVICE_START_POST &&
034c6ed7
LP		 1097 state != SERVICE_RUNNING &&
1098 state != SERVICE_RELOAD &&
1099 state != SERVICE_STOP &&
1100 state != SERVICE_STOP_SIGTERM &&
1101 state != SERVICE_STOP_SIGKILL)
5e94833f 1102 service_unwatch_main_pid(s);
034c6ed7
LP		 1103
1104 if (state != SERVICE_START_PRE &&
1105 state != SERVICE_START &&
1106 state != SERVICE_START_POST &&
1107 state != SERVICE_RELOAD &&
1108 state != SERVICE_STOP &&
1109 state != SERVICE_STOP_SIGTERM &&
1110 state != SERVICE_STOP_SIGKILL &&
1111 state != SERVICE_STOP_POST &&
1112 state != SERVICE_FINAL_SIGTERM &&
e537352b 1113 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1114 service_unwatch_control_pid(s);
034c6ed7 1115 s->control_command = NULL;
a16e1123 1116 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1117 }
034c6ed7 1118
ceee3d82
LP		 1119 if (state == SERVICE_DEAD ||
1120 state == SERVICE_STOP ||
1121 state == SERVICE_STOP_SIGTERM ||
1122 state == SERVICE_STOP_SIGKILL ||
1123 state == SERVICE_STOP_POST ||
1124 state == SERVICE_FINAL_SIGTERM ||
1125 state == SERVICE_FINAL_SIGKILL ||
18c78fb1 1126 state == SERVICE_MAINTENANCE ||
ceee3d82 1127 state == SERVICE_AUTO_RESTART)
e537352b 1128 service_notify_sockets_dead(s);
ceee3d82 1129
4f2d528d
LP		 1130 if (state != SERVICE_START_PRE &&
1131 state != SERVICE_START &&
6cf6bbc2
LP		 1132 state != SERVICE_START_POST &&
1133 state != SERVICE_RUNNING &&
1134 state != SERVICE_RELOAD &&
1135 state != SERVICE_STOP &&
1136 state != SERVICE_STOP_SIGTERM &&
1137 state != SERVICE_STOP_SIGKILL &&
1138 state != SERVICE_STOP_POST &&
1139 state != SERVICE_FINAL_SIGTERM &&
1140 state != SERVICE_FINAL_SIGKILL &&
1141 !(state == SERVICE_DEAD && UNIT(s)->meta.job)) {
4f2d528d 1142 service_close_socket_fd(s);
6cf6bbc2
LP		 1143 service_connection_unref(s);
1144 }
4f2d528d 1145
e537352b 1146 if (old_state != state)
40d50879 1147 log_debug("%s changed %s -> %s", UNIT(s)->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1148
1149 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1150}
1151
a16e1123
LP		 1152static int service_coldplug(Unit *u) {
1153 Service *s = SERVICE(u);
1154 int r;
1155
1156 assert(s);
1157 assert(s->state == SERVICE_DEAD);
1158
1159 if (s->deserialized_state != s->state) {
1160
1161 if (s->deserialized_state == SERVICE_START_PRE ||
1162 s->deserialized_state == SERVICE_START ||
1163 s->deserialized_state == SERVICE_START_POST ||
1164 s->deserialized_state == SERVICE_RELOAD ||
1165 s->deserialized_state == SERVICE_STOP ||
1166 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1167 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1168 s->deserialized_state == SERVICE_STOP_POST ||
1169 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1170 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1171 s->deserialized_state == SERVICE_AUTO_RESTART) {
1172
1173 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1174 usec_t k;
1175
1176 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1177
1178 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1179 return r;
1180 }
1181 }
a16e1123
LP		 1182
1183 if ((s->deserialized_state == SERVICE_START &&
1184 (s->type == SERVICE_FORKING ||
8c47c732
LP		 1185 s->type == SERVICE_DBUS ||
1186 s->type == SERVICE_FINISH ||
1187 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1188 s->deserialized_state == SERVICE_START_POST ||
1189 s->deserialized_state == SERVICE_RUNNING ||
1190 s->deserialized_state == SERVICE_RELOAD ||
1191 s->deserialized_state == SERVICE_STOP ||
1192 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1193 s->deserialized_state == SERVICE_STOP_SIGKILL)
1194 if (s->main_pid > 0)
1195 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1196 return r;
1197
1198 if (s->deserialized_state == SERVICE_START_PRE ||
1199 s->deserialized_state == SERVICE_START ||
1200 s->deserialized_state == SERVICE_START_POST ||
1201 s->deserialized_state == SERVICE_RELOAD ||
1202 s->deserialized_state == SERVICE_STOP ||
1203 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1204 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1205 s->deserialized_state == SERVICE_STOP_POST ||
1206 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1207 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1208 if (s->control_pid > 0)
1209 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1210 return r;
1211
1212 service_set_state(s, s->deserialized_state);
1213 }
1214
1215 return 0;
1216}
1217
44d8db9e
LP		 1218static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1219 Iterator i;
1220 int r;
1221 int *rfds = NULL;
1222 unsigned rn_fds = 0;
3e33402a 1223 Set *set;
47be870b 1224 Socket *sock;
44d8db9e
LP		 1225
1226 assert(s);
1227 assert(fds);
1228 assert(n_fds);
1229
6cf6bbc2
LP		 1230 if (s->socket_fd >= 0)
1231 return 0;
1232
3e33402a
LP		 1233 if ((r = service_get_sockets(s, &set)) < 0)
1234 return r;
1235
47be870b 1236 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1237 int *cfds;
1238 unsigned cn_fds;
1239
47be870b 1240 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1241 goto fail;
1242
1243 if (!cfds)
1244 continue;
1245
1246 if (!rfds) {
1247 rfds = cfds;
1248 rn_fds = cn_fds;
1249 } else {
1250 int *t;
1251
1252 if (!(t = new(int, rn_fds+cn_fds))) {
1253 free(cfds);
1254 r = -ENOMEM;
1255 goto fail;
1256 }
1257
1258 memcpy(t, rfds, rn_fds);
1259 memcpy(t+rn_fds, cfds, cn_fds);
1260 free(rfds);
1261 free(cfds);
1262
1263 rfds = t;
1264 rn_fds = rn_fds+cn_fds;
1265 }
1266 }
1267
1268 *fds = rfds;
1269 *n_fds = rn_fds;
3e33402a
LP		 1270
1271 set_free(set);
1272
44d8db9e
LP		 1273 return 0;
1274
1275fail:
3e33402a 1276 set_free(set);
44d8db9e 1277 free(rfds);
3e33402a 1278
44d8db9e
LP		 1279 return r;
1280}
1281
81a2b7ce
LP		 1282static int service_spawn(
1283 Service *s,
1284 ExecCommand *c,
1285 bool timeout,
1286 bool pass_fds,
1287 bool apply_permissions,
1288 bool apply_chroot,
c952c6ec 1289 bool set_notify_socket,
81a2b7ce
LP		 1290 pid_t *_pid) {
1291
034c6ed7
LP		 1292 pid_t pid;
1293 int r;
6cf6bbc2 1294 int *fds = NULL, *fdsbuf = NULL;
44d8db9e 1295 unsigned n_fds = 0;
c952c6ec 1296 char **argv = NULL, **env = NULL;
034c6ed7
LP		 1297
1298 assert(s);
1299 assert(c);
1300 assert(_pid);
1301
6cf6bbc2
LP		 1302 if (pass_fds ||
1303 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1304 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1305 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1306
4f2d528d
LP		 1307 if (s->socket_fd >= 0) {
1308 fds = &s->socket_fd;
1309 n_fds = 1;
6cf6bbc2
LP		 1310 } else {
1311 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1312 goto fail;
1313
1314 fds = fdsbuf;
1315 }
4f2d528d 1316 }
44d8db9e 1317
e558336f 1318 if (timeout && s->timeout_usec) {
acbb0225 1319 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1320 goto fail;
1321 } else
acbb0225 1322 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1323
9e2f7c11
LP		 1324 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1325 r = -ENOMEM;
1326 goto fail;
1327 }
1328
c952c6ec
LP		 1329 if (set_notify_socket) {
1330 char *t;
1331
1332 if (asprintf(&t, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
1333 r = -ENOMEM;
1334 goto fail;
1335 }
1336
1337 env = strv_env_set(s->meta.manager->environment, t);
1338 free(t);
1339
1340 if (!env) {
1341 r = -ENOMEM;
1342 goto fail;
1343 }
1344 } else
1345 env = s->meta.manager->environment;
1346
9e2f7c11
LP		 1347 r = exec_spawn(c,
1348 argv,
1349 &s->exec_context,
1350 fds, n_fds,
c952c6ec 1351 env,
9e2f7c11
LP		 1352 apply_permissions,
1353 apply_chroot,
1354 UNIT(s)->meta.manager->confirm_spawn,
1355 UNIT(s)->meta.cgroup_bondings,
1356 &pid);
1357
1358 strv_free(argv);
c952c6ec
LP		 1359 argv = NULL;
1360
1361 if (set_notify_socket)
1362 strv_free(env);
1363 env = NULL;
1364
9e2f7c11 1365 if (r < 0)
034c6ed7
LP		 1366 goto fail;
1367
6cf6bbc2
LP		 1368 if (fdsbuf)
1369 free(fdsbuf);
4f2d528d 1370
87f0e418 1371 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1372 /* FIXME: we need to do something here */
1373 goto fail;
1374
1375 *_pid = pid;
1376
5cb5a6ff 1377 return 0;
034c6ed7
LP		 1378
1379fail:
44d8db9e
LP		 1380 free(fds);
1381
c952c6ec
LP		 1382 strv_free(argv);
1383
1384 if (set_notify_socket)
1385 strv_free(env);
1386
034c6ed7 1387 if (timeout)
acbb0225 1388 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1389
1390 return r;
1391}
1392
80876c20
LP		 1393static int main_pid_good(Service *s) {
1394 assert(s);
1395
1396 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1397 * don't know */
1398
1399 /* If we know the pid file, then lets just check if it is
1400 * still valid */
1401 if (s->main_pid_known)
1402 return s->main_pid > 0;
1403
1404 /* We don't know the pid */
1405 return -EAGAIN;
1406}
1407
1408static int control_pid_good(Service *s) {
1409 assert(s);
1410
1411 return s->control_pid > 0;
1412}
1413
1414static int cgroup_good(Service *s) {
1415 int r;
1416
1417 assert(s);
1418
80876c20
LP		 1419 if ((r = cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings)) < 0)
1420 return r;
1421
1422 return !r;
1423}
1424
034c6ed7
LP		 1425static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1426 int r;
1427 assert(s);
1428
1429 if (!success)
1430 s->failure = true;
1431
1432 if (allow_restart &&
3a762661 1433 s->allow_restart &&
034c6ed7
LP		 1434 (s->restart == SERVICE_RESTART_ALWAYS ||
1435 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
1436
acbb0225 1437 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1438 goto fail;
1439
1440 service_set_state(s, SERVICE_AUTO_RESTART);
1441 } else
18c78fb1 1442 service_set_state(s, s->failure ? SERVICE_MAINTENANCE : SERVICE_DEAD);
034c6ed7
LP		 1443
1444 return;
1445
1446fail:
9e2f7c11 1447 log_warning("%s failed to run install restart timer: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1448 service_enter_dead(s, false, false);
1449}
1450
1451static void service_enter_signal(Service *s, ServiceState state, bool success);
1452
1453static void service_enter_stop_post(Service *s, bool success) {
1454 int r;
1455 assert(s);
1456
1457 if (!success)
1458 s->failure = true;
1459
5e94833f
LP		 1460 service_unwatch_control_pid(s);
1461
a16e1123 1462 s->control_command_id = SERVICE_EXEC_STOP_POST;
80876c20 1463 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1464 if ((r = service_spawn(s,
1465 s->control_command,
1466 true,
1467 false,
1468 !s->permissions_start_only,
1469 !s->root_directory_start_only,
c952c6ec 1470 false,
81a2b7ce 1471 &s->control_pid)) < 0)
034c6ed7
LP		 1472 goto fail;
1473
d6ea93e3 1474
80876c20
LP		 1475 service_set_state(s, SERVICE_STOP_POST);
1476 } else
1477 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1478
1479 return;
1480
1481fail:
7020e8be 1482 log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1483 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1484}
1485
1486static void service_enter_signal(Service *s, ServiceState state, bool success) {
1487 int r;
1488 bool sent = false;
1489
1490 assert(s);
1491
1492 if (!success)
1493 s->failure = true;
1494
80876c20
LP		 1495 if (s->kill_mode != KILL_NONE) {
1496 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL;
034c6ed7 1497
50159e6a 1498 if (s->kill_mode == KILL_CONTROL_GROUP) {
034c6ed7 1499
50159e6a
LP		 1500 if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) {
1501 if (r != -EAGAIN && r != -ESRCH)
1502 goto fail;
1503 } else
034c6ed7
LP		 1504 sent = true;
1505 }
1506
50159e6a
LP		 1507 if (!sent) {
1508 r = 0;
80876c20 1509
50159e6a
LP		 1510 if (s->main_pid > 0) {
1511 if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
1512 r = -errno;
1513 else
1514 sent = true;
1515 }
1516
1517 if (s->control_pid > 0) {
1518 if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
1519 r = -errno;
1520 else
1521 sent = true;
1522 }
1523
1524 if (r < 0)
1525 goto fail;
1526 }
d6ea93e3 1527 }
034c6ed7 1528
e93bc5a6 1529 if (sent && (s->main_pid > 0 || s->control_pid > 0)) {
e558336f
LP		 1530 if (s->timeout_usec > 0)
1531 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1532 goto fail;
d6ea93e3 1533
80876c20
LP		 1534 service_set_state(s, state);
1535 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1536 service_enter_stop_post(s, true);
1537 else
034c6ed7
LP		 1538 service_enter_dead(s, true, true);
1539
1540 return;
1541
1542fail:
9e2f7c11 1543 log_warning("%s failed to kill processes: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7 1544
80876c20 1545 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1546 service_enter_stop_post(s, false);
1547 else
1548 service_enter_dead(s, false, true);
1549}
1550
1551static void service_enter_stop(Service *s, bool success) {
1552 int r;
5925dd3c 1553
034c6ed7
LP		 1554 assert(s);
1555
1556 if (!success)
1557 s->failure = true;
1558
5e94833f
LP		 1559 service_unwatch_control_pid(s);
1560
a16e1123 1561 s->control_command_id = SERVICE_EXEC_STOP;
80876c20 1562 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1563 if ((r = service_spawn(s,
1564 s->control_command,
1565 true,
1566 false,
1567 !s->permissions_start_only,
1568 !s->root_directory_start_only,
c952c6ec 1569 false,
e55224ca 1570 &s->control_pid)) < 0)
034c6ed7
LP		 1571 goto fail;
1572
80876c20
LP		 1573 service_set_state(s, SERVICE_STOP);
1574 } else
034c6ed7
LP		 1575 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1576
1577 return;
1578
1579fail:
7020e8be 1580 log_warning("%s failed to run 'stop' task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1581 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1582}
1583
80876c20
LP		 1584static void service_enter_running(Service *s, bool success) {
1585 assert(s);
1586
1587 if (!success)
1588 s->failure = true;
1589
05e343b7
LP		 1590 if (main_pid_good(s) != 0 &&
1591 cgroup_good(s) != 0 &&
1592 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20
LP		 1593 service_set_state(s, SERVICE_RUNNING);
1594 else if (s->valid_no_process)
1595 service_set_state(s, SERVICE_EXITED);
1596 else
1597 service_enter_stop(s, true);
1598}
1599
034c6ed7
LP		 1600static void service_enter_start_post(Service *s) {
1601 int r;
1602 assert(s);
1603
5e94833f
LP		 1604 service_unwatch_control_pid(s);
1605
a16e1123 1606 s->control_command_id = SERVICE_EXEC_START_POST;
80876c20 1607 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1608 if ((r = service_spawn(s,
1609 s->control_command,
1610 true,
1611 false,
1612 !s->permissions_start_only,
1613 !s->root_directory_start_only,
c952c6ec 1614 false,
e55224ca 1615 &s->control_pid)) < 0)
034c6ed7
LP		 1616 goto fail;
1617
80876c20
LP		 1618 service_set_state(s, SERVICE_START_POST);
1619 } else
1620 service_enter_running(s, true);
034c6ed7
LP		 1621
1622 return;
1623
1624fail:
7020e8be 1625 log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1626 service_enter_stop(s, false);
1627}
1628
1629static void service_enter_start(Service *s) {
1630 pid_t pid;
1631 int r;
1632
1633 assert(s);
1634
1635 assert(s->exec_command[SERVICE_EXEC_START]);
1636 assert(!s->exec_command[SERVICE_EXEC_START]->command_next);
1637
80876c20
LP		 1638 if (s->type == SERVICE_FORKING)
1639 service_unwatch_control_pid(s);
1640 else
1641 service_unwatch_main_pid(s);
1642
81a2b7ce
LP		 1643 if ((r = service_spawn(s,
1644 s->exec_command[SERVICE_EXEC_START],
8c47c732 1645 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 1646 true,
1647 true,
1648 true,
c952c6ec 1649 s->notify_access != NOTIFY_NONE,
81a2b7ce 1650 &pid)) < 0)
034c6ed7
LP		 1651 goto fail;
1652
1653 if (s->type == SERVICE_SIMPLE) {
1654 /* For simple services we immediately start
1655 * the START_POST binaries. */
1656
5925dd3c 1657 service_set_main_pid(s, pid);
034c6ed7
LP		 1658 service_enter_start_post(s);
1659
1660 } else if (s->type == SERVICE_FORKING) {
1661
1662 /* For forking services we wait until the start
1663 * process exited. */
1664
a16e1123 1665 s->control_command_id = SERVICE_EXEC_START;
034c6ed7 1666 s->control_command = s->exec_command[SERVICE_EXEC_START];
5925dd3c 1667
e55224ca 1668 s->control_pid = pid;
80876c20
LP		 1669 service_set_state(s, SERVICE_START);
1670
05e343b7 1671 } else if (s->type == SERVICE_FINISH ||
8c47c732
LP		 1672 s->type == SERVICE_DBUS ||
1673 s->type == SERVICE_NOTIFY) {
7d55e835
LP		 1674
1675 /* For finishing services we wait until the start
1676 * process exited, too, but it is our main process. */
1677
05e343b7 1678 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 1679 * but wait for the bus name to appear on the
1680 * bus. Notify services are similar. */
05e343b7 1681
5925dd3c 1682 service_set_main_pid(s, pid);
80876c20 1683 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1684 } else
1685 assert_not_reached("Unknown service type");
1686
1687 return;
1688
1689fail:
7020e8be 1690 log_warning("%s failed to run 'start' task: %s", UNIT(s)->meta.id, strerror(-r));
80876c20 1691 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1692}
1693
1694static void service_enter_start_pre(Service *s) {
1695 int r;
1696
1697 assert(s);
1698
5e94833f
LP		 1699 service_unwatch_control_pid(s);
1700
a16e1123 1701 s->control_command_id = SERVICE_EXEC_START_PRE;
80876c20 1702 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
81a2b7ce
LP		 1703 if ((r = service_spawn(s,
1704 s->control_command,
1705 true,
1706 false,
1707 !s->permissions_start_only,
1708 !s->root_directory_start_only,
c952c6ec 1709 false,
e55224ca 1710 &s->control_pid)) < 0)
034c6ed7
LP		 1711 goto fail;
1712
80876c20
LP		 1713 service_set_state(s, SERVICE_START_PRE);
1714 } else
034c6ed7
LP		 1715 service_enter_start(s);
1716
1717 return;
1718
1719fail:
7020e8be 1720 log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1721 service_enter_dead(s, false, true);
1722}
1723
1724static void service_enter_restart(Service *s) {
1725 int r;
1726 assert(s);
1727
9ea9a0c8
LP		 1728 service_enter_dead(s, true, false);
1729
87f0e418 1730 if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0)
034c6ed7
LP		 1731 goto fail;
1732
9e2f7c11 1733 log_debug("%s scheduled restart job.", UNIT(s)->meta.id);
034c6ed7
LP		 1734 return;
1735
1736fail:
1737
9e2f7c11 1738 log_warning("%s failed to schedule restart job: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1739 service_enter_dead(s, false, false);
1740}
1741
1742static void service_enter_reload(Service *s) {
1743 int r;
1744
1745 assert(s);
1746
5e94833f
LP		 1747 service_unwatch_control_pid(s);
1748
a16e1123 1749 s->control_command_id = SERVICE_EXEC_RELOAD;
80876c20 1750 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 1751 if ((r = service_spawn(s,
1752 s->control_command,
1753 true,
1754 false,
1755 !s->permissions_start_only,
1756 !s->root_directory_start_only,
c952c6ec 1757 false,
e55224ca 1758 &s->control_pid)) < 0)
034c6ed7
LP		 1759 goto fail;
1760
80876c20
LP		 1761 service_set_state(s, SERVICE_RELOAD);
1762 } else
1763 service_enter_running(s, true);
034c6ed7
LP		 1764
1765 return;
1766
1767fail:
7020e8be 1768 log_warning("%s failed to run 'reload' task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7
LP		 1769 service_enter_stop(s, false);
1770}
1771
1772static void service_run_next(Service *s, bool success) {
1773 int r;
1774
1775 assert(s);
1776 assert(s->control_command);
1777 assert(s->control_command->command_next);
1778
1779 if (!success)
1780 s->failure = true;
1781
1782 s->control_command = s->control_command->command_next;
1783
5e94833f
LP		 1784 service_unwatch_control_pid(s);
1785
81a2b7ce
LP		 1786 if ((r = service_spawn(s,
1787 s->control_command,
1788 true,
1789 false,
1790 !s->permissions_start_only,
1791 !s->root_directory_start_only,
c952c6ec 1792 false,
e55224ca 1793 &s->control_pid)) < 0)
034c6ed7
LP		 1794 goto fail;
1795
1796 return;
1797
1798fail:
6cf6bbc2 1799 log_warning("%s failed to run next task: %s", UNIT(s)->meta.id, strerror(-r));
034c6ed7 1800
80876c20
LP		 1801 if (s->state == SERVICE_START_PRE)
1802 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1803 else if (s->state == SERVICE_STOP)
1804 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 1805 else if (s->state == SERVICE_STOP_POST)
1806 service_enter_dead(s, false, true);
1807 else
1808 service_enter_stop(s, false);
5cb5a6ff
LP		 1809}
1810
87f0e418
LP		 1811static int service_start(Unit *u) {
1812 Service *s = SERVICE(u);
5cb5a6ff
LP		 1813
1814 assert(s);
1815
034c6ed7
LP		 1816 /* We cannot fulfill this request right now, try again later
1817 * please! */
1818 if (s->state == SERVICE_STOP ||
1819 s->state == SERVICE_STOP_SIGTERM ||
1820 s->state == SERVICE_STOP_SIGKILL ||
1821 s->state == SERVICE_STOP_POST ||
1822 s->state == SERVICE_FINAL_SIGTERM ||
1823 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 1824 return -EAGAIN;
1825
034c6ed7
LP		 1826 /* Already on it! */
1827 if (s->state == SERVICE_START_PRE ||
1828 s->state == SERVICE_START ||
1829 s->state == SERVICE_START_POST)
1830 return 0;
1831
18c78fb1 1832 assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTENANCE || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 1833
1e2e8133
LP		 1834 /* Make sure we don't enter a busy loop of some kind. */
1835 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 1836 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
d5159713 1837 return -ECANCELED;
1e2e8133
LP		 1838 }
1839
034c6ed7
LP		 1840 s->failure = false;
1841 s->main_pid_known = false;
3a762661 1842 s->allow_restart = true;
034c6ed7
LP		 1843
1844 service_enter_start_pre(s);
1845 return 0;
5cb5a6ff
LP		 1846}
1847
87f0e418
LP		 1848static int service_stop(Unit *u) {
1849 Service *s = SERVICE(u);
5cb5a6ff
LP		 1850
1851 assert(s);
1852
e537352b 1853 /* Cannot do this now */
034c6ed7
LP		 1854 if (s->state == SERVICE_START_PRE ||
1855 s->state == SERVICE_START ||
1856 s->state == SERVICE_START_POST ||
1857 s->state == SERVICE_RELOAD)
1858 return -EAGAIN;
1859
e537352b
LP		 1860 /* Already on it */
1861 if (s->state == SERVICE_STOP ||
1862 s->state == SERVICE_STOP_SIGTERM ||
1863 s->state == SERVICE_STOP_SIGKILL ||
1864 s->state == SERVICE_STOP_POST ||
1865 s->state == SERVICE_FINAL_SIGTERM ||
1866 s->state == SERVICE_FINAL_SIGKILL)
1867 return 0;
1868
034c6ed7
LP		 1869 if (s->state == SERVICE_AUTO_RESTART) {
1870 service_set_state(s, SERVICE_DEAD);
1871 return 0;
1872 }
1873
80876c20 1874 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
5cb5a6ff 1875
3a762661
LP		 1876 /* This is a user request, so don't do restarts on this
1877 * shutdown. */
1878 s->allow_restart = false;
1879
034c6ed7 1880 service_enter_stop(s, true);
5cb5a6ff
LP		 1881 return 0;
1882}
1883
87f0e418
LP		 1884static int service_reload(Unit *u) {
1885 Service *s = SERVICE(u);
034c6ed7
LP		 1886
1887 assert(s);
1888
80876c20 1889 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 1890
1891 service_enter_reload(s);
5cb5a6ff
LP		 1892 return 0;
1893}
1894
87f0e418
LP		 1895static bool service_can_reload(Unit *u) {
1896 Service *s = SERVICE(u);
034c6ed7
LP		 1897
1898 assert(s);
1899
1900 return !!s->exec_command[SERVICE_EXEC_RELOAD];
1901}
1902
a16e1123
LP		 1903static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
1904 Service *s = SERVICE(u);
1905
1906 assert(u);
1907 assert(f);
1908 assert(fds);
1909
1910 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
1911 unit_serialize_item(u, f, "failure", yes_no(s->failure));
1912
1913 if (s->control_pid > 0)
5925dd3c 1914 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 1915
5925dd3c
LP		 1916 if (s->main_pid_known && s->main_pid > 0)
1917 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 1918
1919 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
1920
1921 /* There's a minor uncleanliness here: if there are multiple
1922 * commands attached here, we will start from the first one
1923 * again */
1924 if (s->control_command_id >= 0)
825636e5 1925 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 1926
1927 if (s->socket_fd >= 0) {
1928 int copy;
1929
1930 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
1931 return copy;
1932
1933 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
1934 }
1935
1936 return 0;
1937}
1938
1939static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
1940 Service *s = SERVICE(u);
1941 int r;
1942
1943 assert(u);
1944 assert(key);
1945 assert(value);
1946 assert(fds);
1947
1948 if (streq(key, "state")) {
1949 ServiceState state;
1950
1951 if ((state = service_state_from_string(value)) < 0)
1952 log_debug("Failed to parse state value %s", value);
1953 else
1954 s->deserialized_state = state;
1955 } else if (streq(key, "failure")) {
1956 int b;
1957
1958 if ((b = parse_boolean(value)) < 0)
1959 log_debug("Failed to parse failure value %s", value);
1960 else
1961 s->failure = b || s->failure;
1962 } else if (streq(key, "control-pid")) {
5925dd3c 1963 pid_t pid;
a16e1123 1964
5925dd3c 1965 if ((r = parse_pid(value, &pid)) < 0)
a16e1123
LP		 1966 log_debug("Failed to parse control-pid value %s", value);
1967 else
e55224ca 1968 s->control_pid = pid;
a16e1123 1969 } else if (streq(key, "main-pid")) {
5925dd3c 1970 pid_t pid;
a16e1123 1971
5925dd3c 1972 if ((r = parse_pid(value, &pid)) < 0)
a16e1123
LP		 1973 log_debug("Failed to parse main-pid value %s", value);
1974 else
5925dd3c 1975 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 1976 } else if (streq(key, "main-pid-known")) {
1977 int b;
1978
1979 if ((b = parse_boolean(value)) < 0)
1980 log_debug("Failed to parse main-pid-known value %s", value);
1981 else
1982 s->main_pid_known = b;
1983 } else if (streq(key, "control-command")) {
1984 ServiceExecCommand id;
1985
1986 if ((id = service_exec_command_from_string(value)) < 0)
1987 log_debug("Failed to parse exec-command value %s", value);
1988 else {
1989 s->control_command_id = id;
1990 s->control_command = s->exec_command[id];
1991 }
1992 } else if (streq(key, "socket-fd")) {
1993 int fd;
1994
1995 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
1996 log_debug("Failed to parse socket-fd value %s", value);
1997 else {
1998
1999 if (s->socket_fd >= 0)
2000 close_nointr_nofail(s->socket_fd);
2001 s->socket_fd = fdset_remove(fds, fd);
2002 }
2003 } else
2004 log_debug("Unknown serialization key '%s'", key);
2005
2006 return 0;
2007}
2008
87f0e418
LP		 2009static UnitActiveState service_active_state(Unit *u) {
2010 assert(u);
5cb5a6ff 2011
acbb0225 2012 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2013}
2014
10a94420
LP		 2015static const char *service_sub_state_to_string(Unit *u) {
2016 assert(u);
2017
2018 return service_state_to_string(SERVICE(u)->state);
2019}
2020
701cc384
LP		 2021static bool service_check_gc(Unit *u) {
2022 Service *s = SERVICE(u);
2023
2024 assert(s);
2025
2026 return !!s->sysv_path;
2027}
2028
2029static bool service_check_snapshot(Unit *u) {
2030 Service *s = SERVICE(u);
2031
2032 assert(s);
2033
2034 return !s->got_socket_fd;
2035}
2036
87f0e418
LP		 2037static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2038 Service *s = SERVICE(u);
034c6ed7 2039 bool success;
5cb5a6ff
LP		 2040
2041 assert(s);
034c6ed7
LP		 2042 assert(pid >= 0);
2043
cb8a8f78 2044 success = is_clean_exit(code, status);
034c6ed7
LP		 2045 s->failure = s->failure || !success;
2046
2047 if (s->main_pid == pid) {
2048
2049 exec_status_fill(&s->main_exec_status, pid, code, status);
2050 s->main_pid = 0;
2051
8c47c732 2052 if (s->type != SERVICE_FORKING) {
034c6ed7
LP		 2053 assert(s->exec_command[SERVICE_EXEC_START]);
2054 s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
2055 }
2056
9e2f7c11 2057 log_debug("%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 2058
2059 /* The service exited, so the service is officially
2060 * gone. */
2061
2062 switch (s->state) {
2063
2064 case SERVICE_START_POST:
2065 case SERVICE_RELOAD:
2066 case SERVICE_STOP:
2067 /* Need to wait until the operation is
2068 * done */
2069 break;
2070
7d55e835 2071 case SERVICE_START:
c4653a4d
LP		 2072 if (s->type == SERVICE_FINISH) {
2073 /* This was our main goal, so let's go on */
2074 if (success)
2075 service_enter_start_post(s);
2076 else
2077 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2078 break;
2079 } else {
8c47c732 2080 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2081
c4653a4d
LP		 2082 /* Fall through */
2083 }
7d55e835 2084
034c6ed7 2085 case SERVICE_RUNNING:
80876c20 2086 service_enter_running(s, success);
034c6ed7
LP		 2087 break;
2088
2089 case SERVICE_STOP_SIGTERM:
2090 case SERVICE_STOP_SIGKILL:
2091
2092 if (!control_pid_good(s))
2093 service_enter_stop_post(s, success);
5cb5a6ff 2094
034c6ed7
LP		 2095 /* If there is still a control process, wait for that first */
2096 break;
5cb5a6ff 2097
034c6ed7
LP		 2098 default:
2099 assert_not_reached("Uh, main process died at wrong time.");
2100 }
5cb5a6ff 2101
034c6ed7 2102 } else if (s->control_pid == pid) {
034c6ed7 2103
a16e1123
LP		 2104 if (s->control_command)
2105 exec_status_fill(&s->control_command->exec_status, pid, code, status);
2106
034c6ed7
LP		 2107 s->control_pid = 0;
2108
9e2f7c11 2109 log_debug("%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
034c6ed7
LP		 2110
2111 /* If we are shutting things down anyway we
2112 * don't care about failing commands. */
2113
a16e1123 2114 if (s->control_command && s->control_command->command_next && success) {
034c6ed7
LP		 2115
2116 /* There is another command to *
2117 * execute, so let's do that. */
2118
9e2f7c11 2119 log_debug("%s running next command for state %s", u->meta.id, service_state_to_string(s->state));
034c6ed7
LP		 2120 service_run_next(s, success);
2121
80876c20 2122 } else {
034c6ed7
LP		 2123 /* No further commands for this step, so let's
2124 * figure out what to do next */
2125
a16e1123
LP		 2126 s->control_command = NULL;
2127 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2128
9e2f7c11 2129 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 2130
034c6ed7
LP		 2131 switch (s->state) {
2132
2133 case SERVICE_START_PRE:
2134 if (success)
2135 service_enter_start(s);
2136 else
80876c20 2137 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2138 break;
2139
2140 case SERVICE_START:
2141 assert(s->type == SERVICE_FORKING);
2142
2143 /* Let's try to load the pid
2144 * file here if we can. We
2145 * ignore the return value,
2146 * since the PID file might
2147 * actually be created by a
2148 * START_POST script */
2149
2150 if (success) {
2151 if (s->pid_file)
2152 service_load_pid_file(s);
2153
2154 service_enter_start_post(s);
2155 } else
80876c20 2156 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2157
2158 break;
2159
2160 case SERVICE_START_POST:
2161 if (success && s->pid_file && !s->main_pid_known) {
2162 int r;
2163
2164 /* Hmm, let's see if we can
2165 * load the pid now after the
2166 * start-post scripts got
2167 * executed. */
2168
2169 if ((r = service_load_pid_file(s)) < 0)
9e2f7c11 2170 log_warning("%s: failed to load PID file %s: %s", UNIT(s)->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 2171 }
2172
2173 /* Fall through */
2174
2175 case SERVICE_RELOAD:
80876c20
LP		 2176 if (success)
2177 service_enter_running(s, true);
2178 else
034c6ed7
LP		 2179 service_enter_stop(s, false);
2180
2181 break;
2182
2183 case SERVICE_STOP:
80876c20 2184 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2185 break;
2186
2187 case SERVICE_STOP_SIGTERM:
2188 case SERVICE_STOP_SIGKILL:
2189 if (main_pid_good(s) <= 0)
2190 service_enter_stop_post(s, success);
2191
2192 /* If there is still a service
2193 * process around, wait until
2194 * that one quit, too */
2195 break;
2196
2197 case SERVICE_STOP_POST:
2198 case SERVICE_FINAL_SIGTERM:
2199 case SERVICE_FINAL_SIGKILL:
2200 service_enter_dead(s, success, true);
2201 break;
2202
2203 default:
2204 assert_not_reached("Uh, control process died at wrong time.");
2205 }
2206 }
8c47c732 2207 }
034c6ed7
LP		 2208}
2209
acbb0225 2210static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2211 Service *s = SERVICE(u);
034c6ed7
LP		 2212
2213 assert(s);
2214 assert(elapsed == 1);
2215
acbb0225 2216 assert(w == &s->timer_watch);
034c6ed7
LP		 2217
2218 switch (s->state) {
2219
2220 case SERVICE_START_PRE:
2221 case SERVICE_START:
9e2f7c11 2222 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 2223 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2224 break;
2225
034c6ed7
LP		 2226 case SERVICE_START_POST:
2227 case SERVICE_RELOAD:
9e2f7c11 2228 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 2229 service_enter_stop(s, false);
2230 break;
2231
2232 case SERVICE_STOP:
9e2f7c11 2233 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 2234 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2235 break;
2236
2237 case SERVICE_STOP_SIGTERM:
9e2f7c11 2238 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 2239 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2240 break;
2241
2242 case SERVICE_STOP_SIGKILL:
2243 /* Uh, wie sent a SIGKILL and it is still not gone?
2244 * Must be something we cannot kill, so let's just be
2245 * weirded out and continue */
2246
9e2f7c11 2247 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 2248 service_enter_stop_post(s, false);
2249 break;
2250
2251 case SERVICE_STOP_POST:
9e2f7c11 2252 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 2253 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2254 break;
2255
2256 case SERVICE_FINAL_SIGTERM:
9e2f7c11 2257 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 2258 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2259 break;
2260
2261 case SERVICE_FINAL_SIGKILL:
18c78fb1 2262 log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id);
034c6ed7
LP		 2263 service_enter_dead(s, false, true);
2264 break;
2265
2266 case SERVICE_AUTO_RESTART:
9e2f7c11 2267 log_debug("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 2268 service_enter_restart(s);
2269 break;
2270
2271 default:
2272 assert_not_reached("Timeout at wrong time.");
2273 }
5cb5a6ff
LP		 2274}
2275
8e274523
LP		 2276static void service_cgroup_notify_event(Unit *u) {
2277 Service *s = SERVICE(u);
2278
2279 assert(u);
2280
9e2f7c11 2281 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 2282
2283 switch (s->state) {
2284
2285 /* Waiting for SIGCHLD is usually more interesting,
2286 * because it includes return codes/signals. Which is
2287 * why we ignore the cgroup events for most cases,
2288 * except when we don't know pid which to expect the
2289 * SIGCHLD for. */
2290
2291 case SERVICE_RUNNING:
80876c20 2292 service_enter_running(s, true);
8e274523
LP		 2293 break;
2294
2295 default:
2296 ;
2297 }
2298}
2299
c952c6ec 2300static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 2301 Service *s = SERVICE(u);
2302 const char *e;
2303
2304 assert(u);
2305
c952c6ec
LP		 2306 if (s->notify_access == NOTIFY_NONE) {
2307 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
2308 u->meta.id, (unsigned long) pid);
2309 return;
2310 }
2311
2312 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
2313 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
2314 u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
2315 return;
2316 }
2317
8c47c732
LP		 2318 log_debug("%s: Got message", u->meta.id);
2319
2320 /* Interpret MAINPID= */
2321 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
2322 (s->state == SERVICE_START ||
2323 s->state == SERVICE_START_POST ||
2324 s->state == SERVICE_RUNNING ||
2325 s->state == SERVICE_RELOAD)) {
8c47c732 2326
5925dd3c 2327 if (parse_pid(e + 8, &pid) < 0)
8c47c732
LP		 2328 log_warning("Failed to parse %s", e);
2329 else {
2330 log_debug("%s: got %s", u->meta.id, e);
5925dd3c 2331 service_set_main_pid(s, pid);
8c47c732
LP		 2332 }
2333 }
2334
2335 /* Interpret READY= */
2336 if (s->type == SERVICE_NOTIFY &&
2337 s->state == SERVICE_START &&
2338 strv_find(tags, "READY=1")) {
2339 log_debug("%s: got READY=1", u->meta.id);
2340
2341 service_enter_start_post(s);
2342 }
2343
2344 /* Interpret STATUS= */
2345 if ((e = strv_find_prefix(tags, "STATUS="))) {
2346 char *t;
2347
2348 if (!(t = strdup(e+7))) {
2349 log_error("Failed to allocate string.");
2350 return;
2351 }
2352
2353 log_debug("%s: got %s", u->meta.id, e);
2354
2355 free(s->status_text);
2356 s->status_text = t;
2357 }
2358}
2359
2c4104f0 2360static int service_enumerate(Manager *m) {
2c4104f0
LP		 2361 char **p;
2362 unsigned i;
2363 DIR *d = NULL;
2364 char *path = NULL, *fpath = NULL, *name = NULL;
2365 int r;
2366
2367 assert(m);
2368
84e3543e 2369 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 2370 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 2371 struct dirent *de;
2372
2373 free(path);
2374 path = NULL;
09cd1ab1 2375 if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
2c4104f0
LP		 2376 r = -ENOMEM;
2377 goto finish;
2378 }
2379
2380 if (d)
2381 closedir(d);
2382
2383 if (!(d = opendir(path))) {
2384 if (errno != ENOENT)
2385 log_warning("opendir() failed on %s: %s", path, strerror(errno));
2386
2387 continue;
2388 }
2389
2390 while ((de = readdir(d))) {
6542952f 2391 Unit *service;
db06e3b6 2392 int a, b;
2c4104f0
LP		 2393
2394 if (ignore_file(de->d_name))
2395 continue;
2396
2397 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
2398 continue;
2399
2400 if (strlen(de->d_name) < 4)
2401 continue;
2402
db06e3b6
LP		 2403 a = undecchar(de->d_name[1]);
2404 b = undecchar(de->d_name[2]);
2405
2406 if (a < 0 || b < 0)
2407 continue;
2408
2c4104f0
LP		 2409 free(fpath);
2410 fpath = NULL;
09cd1ab1 2411 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
2c4104f0
LP		 2412 r = -ENOMEM;
2413 goto finish;
2414 }
2415
2416 if (access(fpath, X_OK) < 0) {
2417
2418 if (errno != ENOENT)
2419 log_warning("access() failed on %s: %s", fpath, strerror(errno));
2420
2421 continue;
2422 }
2423
2424 free(name);
b7ccee3c 2425 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 2426 r = -ENOMEM;
2427 goto finish;
2428 }
2429
fbe9f3a9
LP		 2430 if ((r = manager_load_unit_prepare(m, name, NULL, &service)) < 0) {
2431 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2432 continue;
2433 }
2c4104f0 2434
09cd1ab1 2435 if (de->d_name[0] == 'S' &&
fc5df99e 2436 (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT))
fbe9f3a9
LP		 2437 SERVICE(service)->sysv_start_priority =
2438 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
db06e3b6
LP		 2439
2440 manager_dispatch_load_queue(m);
2441 service = unit_follow_merge(service);
2442
2c4104f0 2443 if (de->d_name[0] == 'S') {
6542952f
LP		 2444 Unit *runlevel_target;
2445
09cd1ab1 2446 if ((r = manager_load_unit(m, rcnd_table[i].target, NULL, &runlevel_target)) < 0)
6542952f
LP		 2447 goto finish;
2448
2449 if ((r = unit_add_dependency(runlevel_target, UNIT_WANTS, service, true)) < 0)
2c4104f0
LP		 2450 goto finish;
2451
a0fcc5f6 2452 if ((r = unit_add_dependency(service, UNIT_BEFORE, runlevel_target, true)) < 0)
2c4104f0 2453 goto finish;
23a177ef 2454
fc5df99e
LP		 2455 } else if (de->d_name[0] == 'K' &&
2456 (rcnd_table[i].type == RUNLEVEL_DOWN ||
2457 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f
LP		 2458 Unit *shutdown_target;
2459
23a177ef
LP		 2460 /* We honour K links only for
2461 * halt/reboot. For the normal
2462 * runlevels we assume the
2463 * stop jobs will be
2464 * implicitly added by the
6542952f
LP		 2465 * core logic. Also, we don't
2466 * really distuingish here
2467 * between the runlevels 0 and
2468 * 6 and just add them to the
fc5df99e
LP		 2469 * special shutdown target. On
2470 * SUSE the boot.d/ runlevel
2471 * is also used for shutdown,
2472 * so we add links for that
2473 * too to the shutdown
2474 * target.*/
6542952f
LP		 2475
2476 if ((r = manager_load_unit(m, SPECIAL_SHUTDOWN_TARGET, NULL, &shutdown_target)) < 0)
2477 goto finish;
23a177ef 2478
a0fcc5f6 2479 if ((r = unit_add_dependency(service, UNIT_CONFLICTS, shutdown_target, true)) < 0)
2c4104f0
LP		 2480 goto finish;
2481
a0fcc5f6 2482 if ((r = unit_add_dependency(service, UNIT_BEFORE, shutdown_target, true)) < 0)
2c4104f0
LP		 2483 goto finish;
2484 }
2485 }
2486 }
2487
2488 r = 0;
2489
2490finish:
2491 free(path);
2492 free(fpath);
2493 free(name);
fbe9f3a9
LP		 2494
2495 if (d)
2496 closedir(d);
2c4104f0
LP		 2497
2498 return r;
2499}
2500
05e343b7
LP		 2501static void service_bus_name_owner_change(
2502 Unit *u,
2503 const char *name,
2504 const char *old_owner,
2505 const char *new_owner) {
2506
2507 Service *s = SERVICE(u);
2508
2509 assert(s);
2510 assert(name);
2511
2512 assert(streq(s->bus_name, name));
2513 assert(old_owner || new_owner);
2514
2515 if (old_owner && new_owner)
2516 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
2517 else if (old_owner)
2518 log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
2519 else
2520 log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
2521
2522 s->bus_name_good = !!new_owner;
2523
2524 if (s->type == SERVICE_DBUS) {
2525
2526 /* service_enter_running() will figure out what to
2527 * do */
2528 if (s->state == SERVICE_RUNNING)
2529 service_enter_running(s, true);
2530 else if (s->state == SERVICE_START && new_owner)
2531 service_enter_start_post(s);
2532
2533 } else if (new_owner &&
2534 s->main_pid <= 0 &&
2535 (s->state == SERVICE_START ||
2536 s->state == SERVICE_START_POST ||
2537 s->state == SERVICE_RUNNING ||
2538 s->state == SERVICE_RELOAD)) {
2539
2540 /* Try to acquire PID from bus service */
2541 log_debug("Trying to acquire PID from D-Bus name...");
2542
2543 bus_query_pid(u->meta.manager, name);
2544 }
2545}
2546
2547static void service_bus_query_pid_done(
2548 Unit *u,
2549 const char *name,
2550 pid_t pid) {
2551
2552 Service *s = SERVICE(u);
2553
2554 assert(s);
2555 assert(name);
2556
2557 log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
2558
2559 if (s->main_pid <= 0 &&
2560 (s->state == SERVICE_START ||
2561 s->state == SERVICE_START_POST ||
2562 s->state == SERVICE_RUNNING ||
2563 s->state == SERVICE_RELOAD))
5925dd3c 2564 service_set_main_pid(s, pid);
05e343b7
LP		 2565}
2566
6cf6bbc2 2567int service_set_socket_fd(Service *s, int fd, Socket *sock) {
4f2d528d
LP		 2568 assert(s);
2569 assert(fd >= 0);
2570
2571 /* This is called by the socket code when instantiating a new
2572 * service for a stream socket and the socket needs to be
2573 * configured. */
2574
2575 if (UNIT(s)->meta.load_state != UNIT_LOADED)
2576 return -EINVAL;
2577
2578 if (s->socket_fd >= 0)
2579 return -EBUSY;
2580
2581 if (s->state != SERVICE_DEAD)
2582 return -EAGAIN;
2583
2584 s->socket_fd = fd;
701cc384 2585 s->got_socket_fd = true;
6cf6bbc2
LP		 2586 s->socket = sock;
2587
4f2d528d
LP		 2588 return 0;
2589}
2590
94f04347
LP		 2591static const char* const service_state_table[_SERVICE_STATE_MAX] = {
2592 [SERVICE_DEAD] = "dead",
2593 [SERVICE_START_PRE] = "start-pre",
2594 [SERVICE_START] = "start",
2595 [SERVICE_START_POST] = "start-post",
2596 [SERVICE_RUNNING] = "running",
80876c20 2597 [SERVICE_EXITED] = "exited",
94f04347
LP		 2598 [SERVICE_RELOAD] = "reload",
2599 [SERVICE_STOP] = "stop",
2600 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
2601 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
2602 [SERVICE_STOP_POST] = "stop-post",
2603 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
2604 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
18c78fb1 2605 [SERVICE_MAINTENANCE] = "maintenance",
94f04347
LP		 2606 [SERVICE_AUTO_RESTART] = "auto-restart",
2607};
2608
2609DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
2610
2611static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
2612 [SERVICE_ONCE] = "once",
2613 [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success",
40531a55 2614 [SERVICE_RESTART_ALWAYS] = "restart-always",
94f04347
LP		 2615};
2616
2617DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
2618
2619static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
2620 [SERVICE_FORKING] = "forking",
2621 [SERVICE_SIMPLE] = "simple",
05e343b7 2622 [SERVICE_FINISH] = "finish",
8c47c732
LP		 2623 [SERVICE_DBUS] = "dbus",
2624 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 2625};
2626
2627DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
2628
e537352b 2629static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 2630 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
2631 [SERVICE_EXEC_START] = "ExecStart",
2632 [SERVICE_EXEC_START_POST] = "ExecStartPost",
2633 [SERVICE_EXEC_RELOAD] = "ExecReload",
2634 [SERVICE_EXEC_STOP] = "ExecStop",
2635 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
2636};
2637
2638DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
2639
c952c6ec
LP		 2640static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
2641 [NOTIFY_NONE] = "none",
2642 [NOTIFY_MAIN] = "main",
2643 [NOTIFY_ALL] = "all"
2644};
2645
2646DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
2647
87f0e418 2648const UnitVTable service_vtable = {
5cb5a6ff
LP		 2649 .suffix = ".service",
2650
034c6ed7
LP		 2651 .init = service_init,
2652 .done = service_done,
a16e1123
LP		 2653 .load = service_load,
2654
2655 .coldplug = service_coldplug,
034c6ed7 2656
5cb5a6ff
LP		 2657 .dump = service_dump,
2658
2659 .start = service_start,
2660 .stop = service_stop,
2661 .reload = service_reload,
2662
034c6ed7
LP		 2663 .can_reload = service_can_reload,
2664
a16e1123
LP		 2665 .serialize = service_serialize,
2666 .deserialize_item = service_deserialize_item,
2667
5cb5a6ff 2668 .active_state = service_active_state,
10a94420 2669 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 2670
701cc384
LP		 2671 .check_gc = service_check_gc,
2672 .check_snapshot = service_check_snapshot,
2673
034c6ed7
LP		 2674 .sigchld_event = service_sigchld_event,
2675 .timer_event = service_timer_event,
2c4104f0 2676
8e274523 2677 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 2678 .notify_message = service_notify_message,
8e274523 2679
05e343b7
LP		 2680 .bus_name_owner_change = service_bus_name_owner_change,
2681 .bus_query_pid_done = service_bus_query_pid_done,
2682
4139c1b2
LP		 2683 .bus_message_handler = bus_service_message_handler,
2684
2c4104f0 2685 .enumerate = service_enumerate
5cb5a6ff 2686};
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