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units: enable utmp for serial gettys too
[thirdparty/systemd.git] / src / service.c
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d6c9574f 1/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
5cb5a6ff 2
a7334b09
LP		 3/***
4 This file is part of systemd.
5
6 Copyright 2010 Lennart Poettering
7
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20***/
21
5cb5a6ff 22#include <errno.h>
034c6ed7 23#include <signal.h>
2c4104f0
LP		 24#include <dirent.h>
25#include <unistd.h>
5cb5a6ff 26
87f0e418 27#include "unit.h"
5cb5a6ff
LP		 28#include "service.h"
29#include "load-fragment.h"
30#include "load-dropin.h"
034c6ed7 31#include "log.h"
2c4104f0 32#include "strv.h"
9e2f7c11 33#include "unit-name.h"
4139c1b2 34#include "dbus-service.h"
514f4ef5 35#include "special.h"
398ef8ba 36#include "bus-errors.h"
2c4104f0
LP		 37
38#define COMMENTS "#;\n"
39#define NEWLINES "\n\r"
034c6ed7 40
07459bb6 41#ifdef HAVE_SYSV_COMPAT
f34277d9
LP		 42
43#define DEFAULT_SYSV_TIMEOUT_USEC (3*USEC_PER_MINUTE)
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
d4054675 68#ifdef TARGET_DEBIAN
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
LP		 85/* #define RUNLEVELS_DOWN "06" */
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);
111 assert(u->meta.load_state == UNIT_STUB);
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;
07459bb6 118#endif
a16e1123
LP		 119 s->socket_fd = -1;
120
121 exec_context_init(&s->exec_context);
122
123 RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
124
125 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
126}
127
5e94833f
LP		 128static void service_unwatch_control_pid(Service *s) {
129 assert(s);
130
131 if (s->control_pid <= 0)
132 return;
133
134 unit_unwatch_pid(UNIT(s), s->control_pid);
135 s->control_pid = 0;
136}
137
138static void service_unwatch_main_pid(Service *s) {
139 assert(s);
140
141 if (s->main_pid <= 0)
142 return;
143
144 unit_unwatch_pid(UNIT(s), s->main_pid);
145 s->main_pid = 0;
146}
147
5925dd3c 148static int service_set_main_pid(Service *s, pid_t pid) {
e55224ca
LP		 149 pid_t ppid;
150
5925dd3c
LP		 151 assert(s);
152
153 if (pid <= 1)
154 return -EINVAL;
155
156 if (pid == getpid())
157 return -EINVAL;
158
e55224ca
LP		 159 if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid())
160 log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.",
161 s->meta.id, (unsigned long) pid);
162
5925dd3c
LP		 163 s->main_pid = pid;
164 s->main_pid_known = true;
165
b58b4116
LP		 166 exec_status_start(&s->main_exec_status, pid);
167
5925dd3c
LP		 168 return 0;
169}
170
4f2d528d
LP		 171static void service_close_socket_fd(Service *s) {
172 assert(s);
173
174 if (s->socket_fd < 0)
175 return;
176
177 close_nointr_nofail(s->socket_fd);
178 s->socket_fd = -1;
179}
180
6cf6bbc2
LP		 181static void service_connection_unref(Service *s) {
182 assert(s);
183
f976f3f6 184 if (!s->accept_socket)
6cf6bbc2
LP		 185 return;
186
f976f3f6
LP		 187 socket_connection_unref(s->accept_socket);
188 s->accept_socket = NULL;
6cf6bbc2
LP		 189}
190
87f0e418
LP		 191static void service_done(Unit *u) {
192 Service *s = SERVICE(u);
44d8db9e
LP		 193
194 assert(s);
195
196 free(s->pid_file);
197 s->pid_file = NULL;
198
07459bb6 199#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 200 free(s->sysv_path);
201 s->sysv_path = NULL;
202
8309400a
LP		 203 free(s->sysv_runlevels);
204 s->sysv_runlevels = NULL;
07459bb6 205#endif
8309400a 206
8c47c732
LP		 207 free(s->status_text);
208 s->status_text = NULL;
209
44d8db9e 210 exec_context_done(&s->exec_context);
e537352b 211 exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
44d8db9e
LP		 212 s->control_command = NULL;
213
214 /* This will leak a process, but at least no memory or any of
215 * our resources */
5e94833f
LP		 216 service_unwatch_main_pid(s);
217 service_unwatch_control_pid(s);
44d8db9e 218
05e343b7
LP		 219 if (s->bus_name) {
220 unit_unwatch_bus_name(UNIT(u), s->bus_name);
221 free(s->bus_name);
222 s->bus_name = NULL;
223 }
224
4f2d528d 225 service_close_socket_fd(s);
6cf6bbc2 226 service_connection_unref(s);
4f2d528d 227
f976f3f6
LP		 228 set_free(s->configured_sockets);
229
acbb0225 230 unit_unwatch_timer(u, &s->timer_watch);
44d8db9e
LP		 231}
232
07459bb6 233#ifdef HAVE_SYSV_COMPAT
b7ccee3c
LP		 234static char *sysv_translate_name(const char *name) {
235 char *r;
236
237 if (!(r = new(char, strlen(name) + sizeof(".service"))))
238 return NULL;
239
240 if (startswith(name, "boot."))
241 /* Drop SuSE-style boot. prefix */
242 strcpy(stpcpy(r, name + 5), ".service");
243 else if (endswith(name, ".sh"))
244 /* Drop Debian-style .sh suffix */
245 strcpy(stpcpy(r, name) - 3, ".service");
980900c1 246#ifdef TARGET_ARCH
9f151f29
LP		 247 else if (startswith(name, "@"))
248 /* Drop Arch-style background prefix */
249 strcpy(stpcpy(r, name + 1), ".service");
980900c1 250#endif
b7ccee3c
LP		 251 else
252 /* Normal init scripts */
253 strcpy(stpcpy(r, name), ".service");
254
255 return r;
256}
257
ee95669f 258static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
2c4104f0 259
a7d3cc26
LP		 260 /* We silently ignore the $ prefix here. According to the LSB
261 * spec it simply indicates whether something is a
262 * standardized name or a distribution-specific one. Since we
263 * just follow what already exists and do not introduce new
264 * uses or names we don't care who introduced a new name. */
265
2c4104f0 266 static const char * const table[] = {
6464aa08 267 /* LSB defined facilities */
a7d3cc26
LP		 268 "local_fs", SPECIAL_LOCAL_FS_TARGET,
269 "network", SPECIAL_NETWORK_TARGET,
270 "named", SPECIAL_NSS_LOOKUP_TARGET,
271 "portmap", SPECIAL_RPCBIND_TARGET,
272 "remote_fs", SPECIAL_REMOTE_FS_TARGET,
273 "syslog", SPECIAL_SYSLOG_TARGET,
274 "time", SPECIAL_RTC_SET_TARGET,
6464aa08
LP		 275
276 /* Debian extensions */
3177a49c 277#ifdef TARGET_DEBIAN
a7d3cc26 278 "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
3177a49c 279#endif
a7d3cc26
LP		 280 "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
281 "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE,
3177a49c
LP		 282
283#ifdef TARGET_FEDORA
a7d3cc26
LP		 284 /* Fedora extensions */
285 "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
286 "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET,
287 "httpd", SPECIAL_HTTP_DAEMON_TARGET,
3177a49c 288#endif
a7d3cc26
LP		 289
290 /* SuSE extensions */
291 "null", NULL
292
2c4104f0
LP		 293 };
294
295 unsigned i;
296 char *r;
ee95669f 297 const char *n;
2c4104f0 298
ee95669f
LP		 299 assert(name);
300 assert(_r);
a7d3cc26 301
ee95669f 302 n = *name == '$' ? name + 1 : name;
a7d3cc26 303
ee95669f 304 for (i = 0; i < ELEMENTSOF(table); i += 2) {
a7d3cc26 305
ee95669f
LP		 306 if (!streq(table[i], n))
307 continue;
2c4104f0 308
ee95669f
LP		 309 if (!table[i+1])
310 return 0;
311
312 if (!(r = strdup(table[i+1])))
313 return -ENOMEM;
314
315 goto finish;
316 }
2c4104f0 317
a7d3cc26
LP		 318 /* If we don't know this name, fallback heuristics to figure
319 * out whether something is a target or an service alias. */
320
2c4104f0 321 if (*name == '$')
ee95669f
LP		 322 /* Facilities starting with $ are most likely targets */
323 r = unit_name_build(n, NULL, ".target");
324 else if (filename && streq(name, filename))
325 /* Names equalling the file name of the services are redundant */
326 return 0;
32159d3a 327 else
ee95669f
LP		 328 /* Everything else we assume to be normal service names */
329 r = sysv_translate_name(n);
2c4104f0 330
32159d3a 331 if (!r)
2c4104f0
LP		 332 return -ENOMEM;
333
334finish:
335
336 if (_r)
337 *_r = r;
338
339 return 1;
340}
341
56d748b4 342static int sysv_fix_order(Service *s) {
2c4104f0
LP		 343 Meta *other;
344 int r;
345
346 assert(s);
347
348 if (s->sysv_start_priority < 0)
349 return 0;
350
23a177ef
LP		 351 /* For each pair of services where at least one lacks a LSB
352 * header, we use the start priority value to order things. */
2c4104f0 353
4cd1fbcc 354 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
2c4104f0
LP		 355 Service *t;
356 UnitDependency d;
eeaafddc 357 bool special_s, special_t;
2c4104f0
LP		 358
359 t = (Service*) other;
360
361 if (s == t)
362 continue;
9f151f29
LP		 363
364 if (t->meta.load_state != UNIT_LOADED)
365 continue;
2c4104f0
LP		 366
367 if (t->sysv_start_priority < 0)
368 continue;
369
51a1a79d
LP		 370 /* If both units have modern headers we don't care
371 * about the priorities */
f21781d5
LP		 372 if ((s->meta.fragment_path || s->sysv_has_lsb) &&
373 (t->meta.fragment_path || t->sysv_has_lsb))
23a177ef
LP		 374 continue;
375
eeaafddc
LP		 376 special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
377 special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
378
379 if (special_t && !special_s)
380 d = UNIT_AFTER;
381 else if (special_s && !special_t)
382 d = UNIT_BEFORE;
383 else if (t->sysv_start_priority < s->sysv_start_priority)
2c4104f0
LP		 384 d = UNIT_AFTER;
385 else if (t->sysv_start_priority > s->sysv_start_priority)
386 d = UNIT_BEFORE;
387 else
388 continue;
389
390 /* FIXME: Maybe we should compare the name here lexicographically? */
391
701cc384 392 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
2c4104f0
LP		 393 return r;
394 }
395
396 return 0;
397}
398
399static ExecCommand *exec_command_new(const char *path, const char *arg1) {
400 ExecCommand *c;
401
402 if (!(c = new0(ExecCommand, 1)))
403 return NULL;
404
405 if (!(c->path = strdup(path))) {
406 free(c);
407 return NULL;
408 }
409
410 if (!(c->argv = strv_new(path, arg1, NULL))) {
411 free(c->path);
412 free(c);
413 return NULL;
414 }
415
416 return c;
417}
418
419static int sysv_exec_commands(Service *s) {
420 ExecCommand *c;
421
422 assert(s);
423 assert(s->sysv_path);
424
425 if (!(c = exec_command_new(s->sysv_path, "start")))
426 return -ENOMEM;
427 exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
428
429 if (!(c = exec_command_new(s->sysv_path, "stop")))
430 return -ENOMEM;
431 exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
432
433 if (!(c = exec_command_new(s->sysv_path, "reload")))
434 return -ENOMEM;
435 exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
436
437 return 0;
438}
439
e537352b 440static int service_load_sysv_path(Service *s, const char *path) {
2c4104f0
LP		 441 FILE *f;
442 Unit *u;
443 unsigned line = 0;
444 int r;
445 enum {
446 NORMAL,
447 DESCRIPTION,
448 LSB,
449 LSB_DESCRIPTION
450 } state = NORMAL;
0b5d26f9 451 char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description;
23a177ef
LP		 452
453 assert(s);
454 assert(path);
2c4104f0
LP		 455
456 u = UNIT(s);
457
458 if (!(f = fopen(path, "re"))) {
459 r = errno == ENOENT ? 0 : -errno;
460 goto finish;
461 }
462
2c4104f0
LP		 463 free(s->sysv_path);
464 if (!(s->sysv_path = strdup(path))) {
465 r = -ENOMEM;
466 goto finish;
467 }
468
469 while (!feof(f)) {
470 char l[LINE_MAX], *t;
471
472 if (!fgets(l, sizeof(l), f)) {
473 if (feof(f))
474 break;
475
476 r = -errno;
477 log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
478 goto finish;
479 }
480
481 line++;
482
483 t = strstrip(l);
484 if (*t != '#')
485 continue;
486
487 if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
488 state = LSB;
23a177ef 489 s->sysv_has_lsb = true;
2c4104f0
LP		 490 continue;
491 }
492
493 if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
494 state = NORMAL;
495 continue;
496 }
497
498 t++;
499 t += strspn(t, WHITESPACE);
500
501 if (state == NORMAL) {
502
503 /* Try to parse Red Hat style chkconfig headers */
504
c2b35af6 505 if (startswith_no_case(t, "chkconfig:")) {
2c4104f0 506 int start_priority;
8309400a 507 char runlevels[16], *k;
2c4104f0
LP		 508
509 state = NORMAL;
510
8309400a
LP		 511 if (sscanf(t+10, "%15s %i %*i",
512 runlevels,
513 &start_priority) != 2) {
2c4104f0
LP		 514
515 log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
516 continue;
517 }
518
fbe9f3a9
LP		 519 /* A start priority gathered from the
520 * symlink farms is preferred over the
521 * data from the LSB header. */
8309400a 522 if (start_priority < 0 || start_priority > 99)
2c4104f0 523 log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
db06e3b6 524 else if (s->sysv_start_priority < 0)
8309400a
LP		 525 s->sysv_start_priority = start_priority;
526
527 char_array_0(runlevels);
528 k = delete_chars(runlevels, WHITESPACE "-");
529
530 if (k[0]) {
531 char *d;
532
533 if (!(d = strdup(k))) {
534 r = -ENOMEM;
535 goto finish;
536 }
537
538 free(s->sysv_runlevels);
539 s->sysv_runlevels = d;
2c4104f0
LP		 540 }
541
0b5d26f9 542 } else if (startswith_no_case(t, "description:")) {
2c4104f0
LP		 543
544 size_t k = strlen(t);
545 char *d;
0b5d26f9 546 const char *j;
2c4104f0
LP		 547
548 if (t[k-1] == '\\') {
549 state = DESCRIPTION;
550 t[k-1] = 0;
551 }
552
0b5d26f9
LP		 553 if ((j = strstrip(t+12)) && *j) {
554 if (!(d = strdup(j))) {
555 r = -ENOMEM;
556 goto finish;
557 }
558 } else
559 d = NULL;
2c4104f0 560
0b5d26f9
LP		 561 free(chkconfig_description);
562 chkconfig_description = d;
2c4104f0 563
c2b35af6 564 } else if (startswith_no_case(t, "pidfile:")) {
2c4104f0
LP		 565
566 char *fn;
567
568 state = NORMAL;
569
570 fn = strstrip(t+8);
571 if (!path_is_absolute(fn)) {
572 log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line);
573 continue;
574 }
575
576 if (!(fn = strdup(fn))) {
577 r = -ENOMEM;
578 goto finish;
579 }
580
581 free(s->pid_file);
582 s->pid_file = fn;
583 }
584
585 } else if (state == DESCRIPTION) {
586
587 /* Try to parse Red Hat style description
588 * continuation */
589
590 size_t k = strlen(t);
0b5d26f9 591 char *j;
2c4104f0
LP		 592
593 if (t[k-1] == '\\')
594 t[k-1] = 0;
595 else
596 state = NORMAL;
597
0b5d26f9
LP		 598 if ((j = strstrip(t)) && *j) {
599 char *d = NULL;
600
601 if (chkconfig_description)
602 asprintf(&d, "%s %s", chkconfig_description, j);
603 else
604 d = strdup(j);
2c4104f0 605
0b5d26f9
LP		 606 if (!d) {
607 r = -ENOMEM;
608 goto finish;
609 }
610
611 free(chkconfig_description);
612 chkconfig_description = d;
613 }
2c4104f0
LP		 614
615 } else if (state == LSB || state == LSB_DESCRIPTION) {
616
c2b35af6 617 if (startswith_no_case(t, "Provides:")) {
2c4104f0
LP		 618 char *i, *w;
619 size_t z;
620
621 state = LSB;
622
f60f22df 623 FOREACH_WORD_QUOTED(w, z, t+9, i) {
2c4104f0
LP		 624 char *n, *m;
625
626 if (!(n = strndup(w, z))) {
627 r = -ENOMEM;
628 goto finish;
629 }
630
ee95669f 631 r = sysv_translate_facility(n, file_name_from_path(path), &m);
2c4104f0
LP		 632 free(n);
633
634 if (r < 0)
635 goto finish;
636
637 if (r == 0)
638 continue;
639
bd77d0fc
LP		 640 if (unit_name_to_type(m) == UNIT_SERVICE)
641 r = unit_add_name(u, m);
c68364b7
LP		 642 else {
643 r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true);
644
645 if (s->sysv_enabled) {
646 int k;
647
648 if ((k = unit_add_dependency_by_name_inverse(u, UNIT_WANTS, m, NULL, true)) < 0)
649 r = k;
650 }
651 }
bd77d0fc 652
2c4104f0 653 if (r < 0)
43a37549 654 log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 655
656 free(m);
2c4104f0
LP		 657 }
658
c2b35af6
LP		 659 } else if (startswith_no_case(t, "Required-Start:") ||
660 startswith_no_case(t, "Should-Start:") ||
661 startswith_no_case(t, "X-Start-Before:") ||
662 startswith_no_case(t, "X-Start-After:")) {
2c4104f0
LP		 663 char *i, *w;
664 size_t z;
665
666 state = LSB;
667
f60f22df 668 FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) {
2c4104f0
LP		 669 char *n, *m;
670
671 if (!(n = strndup(w, z))) {
672 r = -ENOMEM;
673 goto finish;
674 }
675
ee95669f 676 r = sysv_translate_facility(n, file_name_from_path(path), &m);
2c4104f0
LP		 677 free(n);
678
679 if (r < 0)
680 goto finish;
681
682 if (r == 0)
683 continue;
684
c2b35af6 685 r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
2c4104f0
LP		 686
687 if (r < 0)
43a37549 688 log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r));
42a097a2
LP		 689
690 free(m);
2c4104f0 691 }
c2b35af6 692 } else if (startswith_no_case(t, "Default-Start:")) {
8309400a
LP		 693 char *k, *d;
694
695 state = LSB;
696
697 k = delete_chars(t+14, WHITESPACE "-");
698
699 if (k[0] != 0) {
700 if (!(d = strdup(k))) {
701 r = -ENOMEM;
702 goto finish;
703 }
704
705 free(s->sysv_runlevels);
706 s->sysv_runlevels = d;
707 }
2c4104f0 708
0b5d26f9
LP		 709 } else if (startswith_no_case(t, "Description:")) {
710 char *d, *j;
ed4c1cc6 711
2c4104f0
LP		 712 state = LSB_DESCRIPTION;
713
0b5d26f9
LP		 714 if ((j = strstrip(t+12)) && *j) {
715 if (!(d = strdup(j))) {
716 r = -ENOMEM;
717 goto finish;
718 }
719 } else
720 d = NULL;
2c4104f0 721
0b5d26f9
LP		 722 free(long_description);
723 long_description = d;
2c4104f0 724
ed4c1cc6 725 } else if (startswith_no_case(t, "Short-Description:")) {
0b5d26f9 726 char *d, *j;
2c4104f0 727
2c4104f0
LP		 728 state = LSB;
729
0b5d26f9
LP		 730 if ((j = strstrip(t+18)) && *j) {
731 if (!(d = strdup(j))) {
732 r = -ENOMEM;
733 goto finish;
734 }
735 } else
736 d = NULL;
2c4104f0 737
0b5d26f9
LP		 738 free(short_description);
739 short_description = d;
2c4104f0 740
723c83fd
LP		 741 } else if (startswith_no_case(t, "X-Interactive:")) {
742 int b;
743
744 if ((b = parse_boolean(strstrip(t+14))) < 0) {
745 log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line);
746 continue;
747 }
748
749 if (b)
750 s->exec_context.std_input = EXEC_INPUT_TTY;
751 else
752 s->exec_context.std_input = EXEC_INPUT_NULL;
753
2c4104f0
LP		 754 } else if (state == LSB_DESCRIPTION) {
755
756 if (startswith(l, "#\t") || startswith(l, "# ")) {
0b5d26f9 757 char *j;
2c4104f0 758
0b5d26f9
LP		 759 if ((j = strstrip(t)) && *j) {
760 char *d = NULL;
761
762 if (long_description)
763 asprintf(&d, "%s %s", long_description, t);
764 else
765 d = strdup(j);
766
767 if (!d) {
768 r = -ENOMEM;
769 goto finish;
770 }
771
772 free(long_description);
773 long_description = d;
2c4104f0
LP		 774 }
775
2c4104f0
LP		 776 } else
777 state = LSB;
778 }
779 }
780 }
781
2c4104f0
LP		 782 if ((r = sysv_exec_commands(s)) < 0)
783 goto finish;
784
a40eb732 785 if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
0bc824be
LP		 786 /* If there a runlevels configured for this service
787 * but none of the standard ones, then we assume this
788 * is some special kind of service (which might be
789 * needed for early boot) and don't create any links
790 * to it. */
791
a40eb732 792 s->meta.default_dependencies = false;
09cd1ab1 793
09cd1ab1
LP		 794 /* Don't timeout special services during boot (like fsck) */
795 s->timeout_usec = 0;
f34277d9
LP		 796 } else
797 s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC;
0fd030be 798
80876c20 799 /* Special setting for all SysV services */
1f48cf56 800 s->type = SERVICE_FORKING;
02ee865a 801 s->remain_after_exit = true;
525ee6f4 802 s->restart = SERVICE_RESTART_NO;
8a2b3c09
LP		 803 s->exec_context.std_output =
804 (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY)
805 ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL;
2e22afe9 806 s->exec_context.kill_mode = KILL_PROCESS_GROUP;
80876c20 807
0b5d26f9
LP		 808 /* We use the long description only if
809 * no short description is set. */
810
811 if (short_description)
812 description = short_description;
813 else if (chkconfig_description)
814 description = chkconfig_description;
815 else if (long_description)
816 description = long_description;
817 else
818 description = NULL;
819
820 if (description) {
821 char *d;
822
823 if (!(d = strappend("LSB: ", description))) {
824 r = -ENOMEM;
825 goto finish;
826 }
827
828 u->meta.description = d;
829 }
830
e537352b 831 u->meta.load_state = UNIT_LOADED;
23a177ef 832 r = 0;
2c4104f0
LP		 833
834finish:
835
836 if (f)
837 fclose(f);
838
0b5d26f9
LP		 839 free(short_description);
840 free(long_description);
841 free(chkconfig_description);
842
2c4104f0
LP		 843 return r;
844}
845
e537352b 846static int service_load_sysv_name(Service *s, const char *name) {
2c4104f0
LP		 847 char **p;
848
849 assert(s);
850 assert(name);
851
d017c6ca
LP		 852 /* For SysV services we strip the boot. or .sh
853 * prefixes/suffixes. */
854 if (startswith(name, "boot.") ||
855 endswith(name, ".sh.service"))
856 return -ENOENT;
857
4cd1fbcc 858 STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) {
2c4104f0
LP		 859 char *path;
860 int r;
861
862 if (asprintf(&path, "%s/%s", *p, name) < 0)
863 return -ENOMEM;
864
865 assert(endswith(path, ".service"));
866 path[strlen(path)-8] = 0;
867
e537352b 868 r = service_load_sysv_path(s, path);
fbe9f3a9 869
4cd1fbcc 870 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
d017c6ca 871 /* Try Debian style xxx.sh source'able init scripts */
fbe9f3a9
LP		 872 strcat(path, ".sh");
873 r = service_load_sysv_path(s, path);
874 }
875
2c4104f0
LP		 876 free(path);
877
4cd1fbcc 878 if (r >= 0 && s->meta.load_state == UNIT_STUB) {
cfe243e3 879 /* Try SUSE style boot.xxx init scripts */
fbe9f3a9
LP		 880
881 if (asprintf(&path, "%s/boot.%s", *p, name) < 0)
882 return -ENOMEM;
883
884 path[strlen(path)-8] = 0;
885 r = service_load_sysv_path(s, path);
886 free(path);
887 }
888
23a177ef 889 if (r < 0)
2c4104f0 890 return r;
23a177ef 891
4cd1fbcc 892 if ((s->meta.load_state != UNIT_STUB))
23a177ef 893 break;
2c4104f0
LP		 894 }
895
896 return 0;
897}
898
e537352b 899static int service_load_sysv(Service *s) {
2c4104f0
LP		 900 const char *t;
901 Iterator i;
902 int r;
903
5cb5a6ff
LP		 904 assert(s);
905
906 /* Load service data from SysV init scripts, preferably with
907 * LSB headers ... */
908
4cd1fbcc 909 if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path))
2c4104f0
LP		 910 return 0;
911
4cd1fbcc 912 if ((t = s->meta.id))
e537352b 913 if ((r = service_load_sysv_name(s, t)) < 0)
2c4104f0
LP		 914 return r;
915
4cd1fbcc
LP		 916 if (s->meta.load_state == UNIT_STUB)
917 SET_FOREACH(t, s->meta.names, i) {
918 if (t == s->meta.id)
e537352b
LP		 919 continue;
920
e364ad06 921 if ((r = service_load_sysv_name(s, t)) < 0)
23a177ef
LP		 922 return r;
923
4cd1fbcc 924 if (s->meta.load_state != UNIT_STUB)
23a177ef
LP		 925 break;
926 }
2c4104f0
LP		 927
928 return 0;
5cb5a6ff 929}
07459bb6 930#endif
5cb5a6ff 931
243b1432
LP		 932static int service_verify(Service *s) {
933 assert(s);
934
4cd1fbcc 935 if (s->meta.load_state != UNIT_LOADED)
243b1432
LP		 936 return 0;
937
938 if (!s->exec_command[SERVICE_EXEC_START]) {
4cd1fbcc 939 log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
243b1432
LP		 940 return -EINVAL;
941 }
942
34e9ba66
LP		 943 if (s->type != SERVICE_ONESHOT &&
944 s->exec_command[SERVICE_EXEC_START]->command_next) {
945 log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
6cf6bbc2
LP		 946 return -EINVAL;
947 }
948
05e343b7 949 if (s->type == SERVICE_DBUS && !s->bus_name) {
4d0e5dbd
LP		 950 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
951 return -EINVAL;
952 }
953
2e22afe9 954 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd 955 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
05e343b7
LP		 956 return -EINVAL;
957 }
958
243b1432
LP		 959 return 0;
960}
961
a40eb732
LP		 962static int service_add_default_dependencies(Service *s) {
963 int r;
964
965 assert(s);
966
967 /* Add a number of automatic dependencies useful for the
968 * majority of services. */
969
970 /* First, pull in base system */
971 if (s->meta.manager->running_as == MANAGER_SYSTEM) {
972
973 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
974 return r;
975
976 } else if (s->meta.manager->running_as == MANAGER_SESSION) {
977
978 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
979 return r;
980 }
981
982 /* Second, activate normal shutdown */
69dd2852 983 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 984}
985
e537352b
LP		 986static int service_load(Unit *u) {
987 int r;
988 Service *s = SERVICE(u);
989
990 assert(s);
1e2e8133 991
5cb5a6ff 992 /* Load a .service file */
e537352b 993 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 994 return r;
995
07459bb6 996#ifdef HAVE_SYSV_COMPAT
bd77d0fc 997 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 998 if (u->meta.load_state == UNIT_STUB)
999 if ((r = service_load_sysv(s)) < 0)
23a177ef 1000 return r;
07459bb6 1001#endif
d46de8a1 1002
23a177ef 1003 /* Still nothing found? Then let's give up */
e537352b 1004 if (u->meta.load_state == UNIT_STUB)
23a177ef 1005 return -ENOENT;
034c6ed7 1006
23a177ef
LP		 1007 /* We were able to load something, then let's add in the
1008 * dropin directories. */
1009 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 1010 return r;
23a177ef
LP		 1011
1012 /* This is a new unit? Then let's add in some extras */
e537352b 1013 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 1014 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
1015 return r;
1016
1017 if ((r = unit_add_default_cgroup(u)) < 0)
1018 return r;
1019
07459bb6 1020#ifdef HAVE_SYSV_COMPAT
56d748b4 1021 if ((r = sysv_fix_order(s)) < 0)
23a177ef 1022 return r;
07459bb6 1023#endif
05e343b7 1024
ee0dd802 1025 if (s->bus_name)
05e343b7 1026 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
a40eb732 1027 return r;
c952c6ec
LP		 1028
1029 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
1030 s->notify_access = NOTIFY_MAIN;
a40eb732
LP		 1031
1032 if (s->type == SERVICE_DBUS || s->bus_name)
1033 if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0)
1034 return r;
1035
1036 if (s->meta.default_dependencies)
1037 if ((r = service_add_default_dependencies(s)) < 0)
1038 return r;
8e274523
LP		 1039 }
1040
243b1432 1041 return service_verify(s);
034c6ed7
LP		 1042}
1043
87f0e418 1044static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 1045
5cb5a6ff 1046 ServiceExecCommand c;
87f0e418 1047 Service *s = SERVICE(u);
47be870b
LP		 1048 const char *prefix2;
1049 char *p2;
5cb5a6ff
LP		 1050
1051 assert(s);
1052
47be870b
LP		 1053 p2 = strappend(prefix, "\t");
1054 prefix2 = p2 ? p2 : prefix;
44d8db9e 1055
5cb5a6ff 1056 fprintf(f,
81a2b7ce
LP		 1057 "%sService State: %s\n"
1058 "%sPermissionsStartOnly: %s\n"
8e274523 1059 "%sRootDirectoryStartOnly: %s\n"
02ee865a 1060 "%sRemainAfterExit: %s\n"
c952c6ec 1061 "%sType: %s\n"
2cf3143a 1062 "%sRestart: %s\n"
c952c6ec 1063 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 1064 prefix, service_state_to_string(s->state),
1065 prefix, yes_no(s->permissions_start_only),
8e274523 1066 prefix, yes_no(s->root_directory_start_only),
02ee865a 1067 prefix, yes_no(s->remain_after_exit),
c952c6ec 1068 prefix, service_type_to_string(s->type),
2cf3143a 1069 prefix, service_restart_to_string(s->restart),
c952c6ec 1070 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 1071
70123e68
LP		 1072 if (s->control_pid > 0)
1073 fprintf(f,
bb00e604
LP		 1074 "%sControl PID: %lu\n",
1075 prefix, (unsigned long) s->control_pid);
70123e68
LP		 1076
1077 if (s->main_pid > 0)
1078 fprintf(f,
bb00e604
LP		 1079 "%sMain PID: %lu\n",
1080 prefix, (unsigned long) s->main_pid);
70123e68 1081
034c6ed7
LP		 1082 if (s->pid_file)
1083 fprintf(f,
1084 "%sPIDFile: %s\n",
1085 prefix, s->pid_file);
1086
05e343b7
LP		 1087 if (s->bus_name)
1088 fprintf(f,
1089 "%sBusName: %s\n"
1090 "%sBus Name Good: %s\n",
1091 prefix, s->bus_name,
1092 prefix, yes_no(s->bus_name_good));
1093
5cb5a6ff
LP		 1094 exec_context_dump(&s->exec_context, f, prefix);
1095
e537352b 1096 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 1097
44d8db9e
LP		 1098 if (!s->exec_command[c])
1099 continue;
1100
40d50879 1101 fprintf(f, "%s-> %s:\n",
94f04347 1102 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 1103
1104 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 1105 }
44d8db9e 1106
07459bb6 1107#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 1108 if (s->sysv_path)
1109 fprintf(f,
23a177ef
LP		 1110 "%sSysV Init Script Path: %s\n"
1111 "%sSysV Init Script has LSB Header: %s\n",
1112 prefix, s->sysv_path,
1113 prefix, yes_no(s->sysv_has_lsb));
2c4104f0
LP		 1114
1115 if (s->sysv_start_priority >= 0)
1116 fprintf(f,
5de6b302
LP		 1117 "%sSysVStartPriority: %i\n"
1118 "%sSysVEnabled: %s\n",
1119 prefix, s->sysv_start_priority,
1120 prefix, yes_no(s->sysv_enabled));
2c4104f0 1121
8309400a
LP		 1122 if (s->sysv_runlevels)
1123 fprintf(f, "%sSysVRunLevels: %s\n",
1124 prefix, s->sysv_runlevels);
07459bb6 1125#endif
23a177ef 1126
8c47c732
LP		 1127 if (s->status_text)
1128 fprintf(f, "%sStatus Text: %s\n",
1129 prefix, s->status_text);
1130
47be870b 1131 free(p2);
5cb5a6ff
LP		 1132}
1133
034c6ed7
LP		 1134static int service_load_pid_file(Service *s) {
1135 char *k;
034c6ed7 1136 int r;
5925dd3c 1137 pid_t pid;
034c6ed7
LP		 1138
1139 assert(s);
1140
1141 if (s->main_pid_known)
1142 return 0;
1143
5e94833f
LP		 1144 assert(s->main_pid <= 0);
1145
034c6ed7
LP		 1146 if (!s->pid_file)
1147 return -ENOENT;
1148
1149 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
1150 return r;
1151
5925dd3c
LP		 1152 r = parse_pid(k, &pid);
1153 free(k);
034c6ed7 1154
5925dd3c
LP		 1155 if (r < 0)
1156 return r;
406eaf93 1157
5925dd3c
LP		 1158 if (kill(pid, 0) < 0 && errno != EPERM) {
1159 log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
1160 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 1161 return -ESRCH;
1162 }
1163
5925dd3c 1164 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 1165 return r;
1166
5925dd3c
LP		 1167 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1168 /* FIXME: we need to do something here */
1169 return r;
034c6ed7
LP		 1170
1171 return 0;
1172}
1173
3e33402a
LP		 1174static int service_get_sockets(Service *s, Set **_set) {
1175 Set *set;
ceee3d82
LP		 1176 Iterator i;
1177 char *t;
3e33402a 1178 int r;
ceee3d82
LP		 1179
1180 assert(s);
3e33402a
LP		 1181 assert(_set);
1182
6cf6bbc2
LP		 1183 if (s->socket_fd >= 0)
1184 return 0;
1185
f976f3f6
LP		 1186 if (!set_isempty(s->configured_sockets))
1187 return 0;
1188
3e33402a
LP		 1189 /* Collects all Socket objects that belong to this
1190 * service. Note that a service might have multiple sockets
1191 * via multiple names. */
1192
1193 if (!(set = set_new(NULL, NULL)))
1194 return -ENOMEM;
ceee3d82 1195
4cd1fbcc 1196 SET_FOREACH(t, s->meta.names, i) {
ceee3d82
LP		 1197 char *k;
1198 Unit *p;
1199
1200 /* Look for all socket objects that go by any of our
1201 * units and collect their fds */
1202
3e33402a
LP		 1203 if (!(k = unit_name_change_suffix(t, ".socket"))) {
1204 r = -ENOMEM;
1205 goto fail;
1206 }
ceee3d82 1207
4cd1fbcc 1208 p = manager_get_unit(s->meta.manager, k);
ceee3d82
LP		 1209 free(k);
1210
8d567588
LP		 1211 if (!p)
1212 continue;
ceee3d82 1213
3e33402a
LP		 1214 if ((r = set_put(set, p)) < 0)
1215 goto fail;
ceee3d82
LP		 1216 }
1217
3e33402a
LP		 1218 *_set = set;
1219 return 0;
1220
1221fail:
1222 set_free(set);
1223 return r;
1224}
1225
e537352b 1226static int service_notify_sockets_dead(Service *s) {
3e33402a 1227 Iterator i;
f976f3f6 1228 Set *set, *free_set = NULL;
47be870b 1229 Socket *sock;
3e33402a
LP		 1230 int r;
1231
1232 assert(s);
1233
f976f3f6
LP		 1234 /* Notifies all our sockets when we die */
1235
6cf6bbc2
LP		 1236 if (s->socket_fd >= 0)
1237 return 0;
1238
f976f3f6
LP		 1239 if (!set_isempty(s->configured_sockets))
1240 set = s->configured_sockets;
1241 else {
1242 if ((r = service_get_sockets(s, &free_set)) < 0)
1243 return r;
1244
1245 set = free_set;
1246 }
3e33402a 1247
47be870b
LP		 1248 SET_FOREACH(sock, set, i)
1249 socket_notify_service_dead(sock);
3e33402a 1250
f976f3f6 1251 set_free(free_set);
3e33402a 1252
ceee3d82
LP		 1253 return 0;
1254}
1255
034c6ed7
LP		 1256static void service_set_state(Service *s, ServiceState state) {
1257 ServiceState old_state;
5cb5a6ff
LP		 1258 assert(s);
1259
034c6ed7 1260 old_state = s->state;
5cb5a6ff 1261 s->state = state;
034c6ed7
LP		 1262
1263 if (state != SERVICE_START_PRE &&
1264 state != SERVICE_START &&
1265 state != SERVICE_START_POST &&
1266 state != SERVICE_RELOAD &&
1267 state != SERVICE_STOP &&
1268 state != SERVICE_STOP_SIGTERM &&
1269 state != SERVICE_STOP_SIGKILL &&
1270 state != SERVICE_STOP_POST &&
1271 state != SERVICE_FINAL_SIGTERM &&
1272 state != SERVICE_FINAL_SIGKILL &&
1273 state != SERVICE_AUTO_RESTART)
acbb0225 1274 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1275
7d55e835
LP		 1276 if (state != SERVICE_START &&
1277 state != SERVICE_START_POST &&
034c6ed7
LP		 1278 state != SERVICE_RUNNING &&
1279 state != SERVICE_RELOAD &&
1280 state != SERVICE_STOP &&
1281 state != SERVICE_STOP_SIGTERM &&
1282 state != SERVICE_STOP_SIGKILL)
5e94833f 1283 service_unwatch_main_pid(s);
034c6ed7
LP		 1284
1285 if (state != SERVICE_START_PRE &&
1286 state != SERVICE_START &&
1287 state != SERVICE_START_POST &&
1288 state != SERVICE_RELOAD &&
1289 state != SERVICE_STOP &&
1290 state != SERVICE_STOP_SIGTERM &&
1291 state != SERVICE_STOP_SIGKILL &&
1292 state != SERVICE_STOP_POST &&
1293 state != SERVICE_FINAL_SIGTERM &&
e537352b 1294 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1295 service_unwatch_control_pid(s);
034c6ed7 1296 s->control_command = NULL;
a16e1123 1297 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1298 }
034c6ed7 1299
ceee3d82
LP		 1300 if (state == SERVICE_DEAD ||
1301 state == SERVICE_STOP ||
1302 state == SERVICE_STOP_SIGTERM ||
1303 state == SERVICE_STOP_SIGKILL ||
1304 state == SERVICE_STOP_POST ||
1305 state == SERVICE_FINAL_SIGTERM ||
1306 state == SERVICE_FINAL_SIGKILL ||
fdf20a31 1307 state == SERVICE_FAILED ||
ceee3d82 1308 state == SERVICE_AUTO_RESTART)
e537352b 1309 service_notify_sockets_dead(s);
ceee3d82 1310
4f2d528d
LP		 1311 if (state != SERVICE_START_PRE &&
1312 state != SERVICE_START &&
6cf6bbc2
LP		 1313 state != SERVICE_START_POST &&
1314 state != SERVICE_RUNNING &&
1315 state != SERVICE_RELOAD &&
1316 state != SERVICE_STOP &&
1317 state != SERVICE_STOP_SIGTERM &&
1318 state != SERVICE_STOP_SIGKILL &&
1319 state != SERVICE_STOP_POST &&
1320 state != SERVICE_FINAL_SIGTERM &&
1321 state != SERVICE_FINAL_SIGKILL &&
4cd1fbcc 1322 !(state == SERVICE_DEAD && s->meta.job)) {
4f2d528d 1323 service_close_socket_fd(s);
6cf6bbc2
LP		 1324 service_connection_unref(s);
1325 }
4f2d528d 1326
f6023656
LP		 1327 /* For the inactive states unit_notify() will trim the cgroup,
1328 * but for exit we have to do that ourselves... */
1329 if (state == SERVICE_EXITED)
1330 cgroup_bonding_trim_list(s->meta.cgroup_bondings, true);
1331
e537352b 1332 if (old_state != state)
4cd1fbcc 1333 log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1334
1335 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1336}
1337
a16e1123
LP		 1338static int service_coldplug(Unit *u) {
1339 Service *s = SERVICE(u);
1340 int r;
1341
1342 assert(s);
1343 assert(s->state == SERVICE_DEAD);
1344
1345 if (s->deserialized_state != s->state) {
1346
1347 if (s->deserialized_state == SERVICE_START_PRE ||
1348 s->deserialized_state == SERVICE_START ||
1349 s->deserialized_state == SERVICE_START_POST ||
1350 s->deserialized_state == SERVICE_RELOAD ||
1351 s->deserialized_state == SERVICE_STOP ||
1352 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1353 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1354 s->deserialized_state == SERVICE_STOP_POST ||
1355 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1356 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1357 s->deserialized_state == SERVICE_AUTO_RESTART) {
1358
1359 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1360 usec_t k;
1361
1362 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1363
1364 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1365 return r;
1366 }
1367 }
a16e1123
LP		 1368
1369 if ((s->deserialized_state == SERVICE_START &&
1370 (s->type == SERVICE_FORKING ||
8c47c732 1371 s->type == SERVICE_DBUS ||
34e9ba66 1372 s->type == SERVICE_ONESHOT ||
8c47c732 1373 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1374 s->deserialized_state == SERVICE_START_POST ||
1375 s->deserialized_state == SERVICE_RUNNING ||
1376 s->deserialized_state == SERVICE_RELOAD ||
1377 s->deserialized_state == SERVICE_STOP ||
1378 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1379 s->deserialized_state == SERVICE_STOP_SIGKILL)
1380 if (s->main_pid > 0)
1381 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1382 return r;
1383
1384 if (s->deserialized_state == SERVICE_START_PRE ||
1385 s->deserialized_state == SERVICE_START ||
1386 s->deserialized_state == SERVICE_START_POST ||
1387 s->deserialized_state == SERVICE_RELOAD ||
1388 s->deserialized_state == SERVICE_STOP ||
1389 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1390 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1391 s->deserialized_state == SERVICE_STOP_POST ||
1392 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1393 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1394 if (s->control_pid > 0)
1395 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1396 return r;
1397
1398 service_set_state(s, s->deserialized_state);
1399 }
1400
1401 return 0;
1402}
1403
44d8db9e
LP		 1404static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1405 Iterator i;
1406 int r;
1407 int *rfds = NULL;
1408 unsigned rn_fds = 0;
f976f3f6 1409 Set *set, *free_set = NULL;
47be870b 1410 Socket *sock;
44d8db9e
LP		 1411
1412 assert(s);
1413 assert(fds);
1414 assert(n_fds);
1415
6cf6bbc2
LP		 1416 if (s->socket_fd >= 0)
1417 return 0;
1418
f976f3f6
LP		 1419 if (!set_isempty(s->configured_sockets))
1420 set = s->configured_sockets;
1421 else {
1422 if ((r = service_get_sockets(s, &free_set)) < 0)
1423 return r;
1424
1425 set = free_set;
1426 }
3e33402a 1427
47be870b 1428 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1429 int *cfds;
1430 unsigned cn_fds;
1431
47be870b 1432 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1433 goto fail;
1434
1435 if (!cfds)
1436 continue;
1437
1438 if (!rfds) {
1439 rfds = cfds;
1440 rn_fds = cn_fds;
1441 } else {
1442 int *t;
1443
1444 if (!(t = new(int, rn_fds+cn_fds))) {
1445 free(cfds);
1446 r = -ENOMEM;
1447 goto fail;
1448 }
1449
1450 memcpy(t, rfds, rn_fds);
1451 memcpy(t+rn_fds, cfds, cn_fds);
1452 free(rfds);
1453 free(cfds);
1454
1455 rfds = t;
1456 rn_fds = rn_fds+cn_fds;
1457 }
1458 }
1459
1460 *fds = rfds;
1461 *n_fds = rn_fds;
3e33402a 1462
f976f3f6 1463 set_free(free_set);
3e33402a 1464
44d8db9e
LP		 1465 return 0;
1466
1467fail:
3e33402a 1468 set_free(set);
44d8db9e 1469 free(rfds);
3e33402a 1470
44d8db9e
LP		 1471 return r;
1472}
1473
81a2b7ce
LP		 1474static int service_spawn(
1475 Service *s,
1476 ExecCommand *c,
1477 bool timeout,
1478 bool pass_fds,
1479 bool apply_permissions,
1480 bool apply_chroot,
1e3ad081 1481 bool apply_tty_stdin,
c952c6ec 1482 bool set_notify_socket,
81a2b7ce
LP		 1483 pid_t *_pid) {
1484
034c6ed7
LP		 1485 pid_t pid;
1486 int r;
6cf6bbc2 1487 int *fds = NULL, *fdsbuf = NULL;
2105e76a
LP		 1488 unsigned n_fds = 0, n_env = 0;
1489 char **argv = NULL, **final_env = NULL, **our_env = NULL;
034c6ed7
LP		 1490
1491 assert(s);
1492 assert(c);
1493 assert(_pid);
1494
6cf6bbc2
LP		 1495 if (pass_fds ||
1496 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1497 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1498 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1499
4f2d528d
LP		 1500 if (s->socket_fd >= 0) {
1501 fds = &s->socket_fd;
1502 n_fds = 1;
6cf6bbc2
LP		 1503 } else {
1504 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1505 goto fail;
1506
1507 fds = fdsbuf;
1508 }
4f2d528d 1509 }
44d8db9e 1510
e558336f 1511 if (timeout && s->timeout_usec) {
acbb0225 1512 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1513 goto fail;
1514 } else
acbb0225 1515 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1516
9e2f7c11
LP		 1517 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1518 r = -ENOMEM;
1519 goto fail;
1520 }
1521
2105e76a
LP		 1522 if (!(our_env = new0(char*, 3))) {
1523 r = -ENOMEM;
1524 goto fail;
1525 }
c952c6ec 1526
2105e76a
LP		 1527 if (set_notify_socket)
1528 if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
c952c6ec
LP		 1529 r = -ENOMEM;
1530 goto fail;
1531 }
1532
2105e76a
LP		 1533 if (s->main_pid > 0)
1534 if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
c952c6ec
LP		 1535 r = -ENOMEM;
1536 goto fail;
1537 }
2105e76a
LP		 1538
1539 if (!(final_env = strv_env_merge(2,
1540 s->meta.manager->environment,
1541 our_env,
1542 NULL))) {
1543 r = -ENOMEM;
1544 goto fail;
1545 }
c952c6ec 1546
9e2f7c11
LP		 1547 r = exec_spawn(c,
1548 argv,
1549 &s->exec_context,
1550 fds, n_fds,
2105e76a 1551 final_env,
9e2f7c11
LP		 1552 apply_permissions,
1553 apply_chroot,
1e3ad081 1554 apply_tty_stdin,
4cd1fbcc
LP		 1555 s->meta.manager->confirm_spawn,
1556 s->meta.cgroup_bondings,
9e2f7c11
LP		 1557 &pid);
1558
9e2f7c11 1559 if (r < 0)
034c6ed7
LP		 1560 goto fail;
1561
4f2d528d 1562
87f0e418 1563 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1564 /* FIXME: we need to do something here */
1565 goto fail;
1566
2105e76a
LP		 1567 free(fdsbuf);
1568 strv_free(argv);
1569 strv_free(our_env);
1570 strv_free(final_env);
1571
034c6ed7
LP		 1572 *_pid = pid;
1573
5cb5a6ff 1574 return 0;
034c6ed7
LP		 1575
1576fail:
2105e76a 1577 free(fdsbuf);
c952c6ec 1578 strv_free(argv);
2105e76a
LP		 1579 strv_free(our_env);
1580 strv_free(final_env);
c952c6ec 1581
034c6ed7 1582 if (timeout)
acbb0225 1583 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1584
1585 return r;
1586}
1587
80876c20
LP		 1588static int main_pid_good(Service *s) {
1589 assert(s);
1590
1591 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1592 * don't know */
1593
1594 /* If we know the pid file, then lets just check if it is
1595 * still valid */
1596 if (s->main_pid_known)
1597 return s->main_pid > 0;
1598
1599 /* We don't know the pid */
1600 return -EAGAIN;
1601}
1602
1603static int control_pid_good(Service *s) {
1604 assert(s);
1605
1606 return s->control_pid > 0;
1607}
1608
1609static int cgroup_good(Service *s) {
1610 int r;
1611
1612 assert(s);
1613
4cd1fbcc 1614 if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
80876c20
LP		 1615 return r;
1616
1617 return !r;
1618}
1619
034c6ed7
LP		 1620static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1621 int r;
1622 assert(s);
1623
1624 if (!success)
1625 s->failure = true;
1626
1627 if (allow_restart &&
47342320 1628 !s->forbid_restart &&
034c6ed7
LP		 1629 (s->restart == SERVICE_RESTART_ALWAYS ||
1630 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) {
1631
acbb0225 1632 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1633 goto fail;
1634
1635 service_set_state(s, SERVICE_AUTO_RESTART);
1636 } else
fdf20a31 1637 service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
034c6ed7 1638
47342320
LP		 1639 s->forbid_restart = false;
1640
034c6ed7
LP		 1641 return;
1642
1643fail:
4cd1fbcc 1644 log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1645 service_enter_dead(s, false, false);
1646}
1647
1648static void service_enter_signal(Service *s, ServiceState state, bool success);
1649
1650static void service_enter_stop_post(Service *s, bool success) {
1651 int r;
1652 assert(s);
1653
1654 if (!success)
1655 s->failure = true;
1656
5e94833f
LP		 1657 service_unwatch_control_pid(s);
1658
a16e1123 1659 s->control_command_id = SERVICE_EXEC_STOP_POST;
80876c20 1660 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1661 if ((r = service_spawn(s,
1662 s->control_command,
1663 true,
1664 false,
1665 !s->permissions_start_only,
1666 !s->root_directory_start_only,
1e3ad081 1667 true,
c952c6ec 1668 false,
81a2b7ce 1669 &s->control_pid)) < 0)
034c6ed7
LP		 1670 goto fail;
1671
d6ea93e3 1672
80876c20
LP		 1673 service_set_state(s, SERVICE_STOP_POST);
1674 } else
1675 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1676
1677 return;
1678
1679fail:
4cd1fbcc 1680 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1681 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1682}
1683
1684static void service_enter_signal(Service *s, ServiceState state, bool success) {
1685 int r;
ca949c9d
LP		 1686 Set *pid_set = NULL;
1687 bool wait_for_exit = false;
034c6ed7
LP		 1688
1689 assert(s);
1690
1691 if (!success)
1692 s->failure = true;
1693
2e22afe9
LP		 1694 if (s->exec_context.kill_mode != KILL_NONE) {
1695 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1696
ca949c9d
LP		 1697 if (s->main_pid > 0) {
1698 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1699 -s->main_pid :
1700 s->main_pid, sig) < 0 && errno != ESRCH)
034c6ed7 1701
ca949c9d
LP		 1702 log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
1703 else
1704 wait_for_exit = true;
034c6ed7
LP		 1705 }
1706
ca949c9d
LP		 1707 if (s->control_pid > 0) {
1708 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1709 -s->control_pid :
1710 s->control_pid, sig) < 0 && errno != ESRCH)
80876c20 1711
ca949c9d
LP		 1712 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1713 else
1714 wait_for_exit = true;
1715 }
50159e6a 1716
ca949c9d 1717 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
50159e6a 1718
ca949c9d
LP		 1719 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1720 r = -ENOMEM;
50159e6a 1721 goto fail;
ca949c9d
LP		 1722 }
1723
1724 /* Exclude the main/control pids from being killed via the cgroup */
1725 if (s->main_pid > 0)
1726 if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
1727 goto fail;
1728
1729 if (s->control_pid > 0)
1730 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1731 goto fail;
1732
1733 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
1734 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1735 log_warning("Failed to kill control group: %s", strerror(-r));
f5a50114 1736 } else if (r > 0)
ca949c9d
LP		 1737 wait_for_exit = true;
1738
1739 set_free(pid_set);
50159e6a 1740 }
d6ea93e3 1741 }
034c6ed7 1742
ca949c9d 1743 if (wait_for_exit) {
e558336f
LP		 1744 if (s->timeout_usec > 0)
1745 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1746 goto fail;
d6ea93e3 1747
80876c20
LP		 1748 service_set_state(s, state);
1749 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1750 service_enter_stop_post(s, true);
1751 else
034c6ed7
LP		 1752 service_enter_dead(s, true, true);
1753
1754 return;
1755
1756fail:
4cd1fbcc 1757 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7 1758
80876c20 1759 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1760 service_enter_stop_post(s, false);
1761 else
1762 service_enter_dead(s, false, true);
ca949c9d
LP		 1763
1764 if (pid_set)
1765 set_free(pid_set);
034c6ed7
LP		 1766}
1767
1768static void service_enter_stop(Service *s, bool success) {
1769 int r;
5925dd3c 1770
034c6ed7
LP		 1771 assert(s);
1772
1773 if (!success)
1774 s->failure = true;
1775
5e94833f
LP		 1776 service_unwatch_control_pid(s);
1777
a16e1123 1778 s->control_command_id = SERVICE_EXEC_STOP;
80876c20 1779 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1780 if ((r = service_spawn(s,
1781 s->control_command,
1782 true,
1783 false,
1784 !s->permissions_start_only,
1785 !s->root_directory_start_only,
c952c6ec 1786 false,
1e3ad081 1787 false,
e55224ca 1788 &s->control_pid)) < 0)
034c6ed7
LP		 1789 goto fail;
1790
80876c20
LP		 1791 service_set_state(s, SERVICE_STOP);
1792 } else
034c6ed7
LP		 1793 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1794
1795 return;
1796
1797fail:
4cd1fbcc 1798 log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1799 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1800}
1801
80876c20 1802static void service_enter_running(Service *s, bool success) {
4eab639f 1803 int main_pid_ok, cgroup_ok;
80876c20
LP		 1804 assert(s);
1805
1806 if (!success)
1807 s->failure = true;
1808
4eab639f
LP		 1809 main_pid_ok = main_pid_good(s);
1810 cgroup_ok = cgroup_good(s);
1811
1812 if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
05e343b7 1813 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20 1814 service_set_state(s, SERVICE_RUNNING);
02ee865a 1815 else if (s->remain_after_exit)
80876c20
LP		 1816 service_set_state(s, SERVICE_EXITED);
1817 else
1818 service_enter_stop(s, true);
1819}
1820
034c6ed7
LP		 1821static void service_enter_start_post(Service *s) {
1822 int r;
1823 assert(s);
1824
5e94833f
LP		 1825 service_unwatch_control_pid(s);
1826
a16e1123 1827 s->control_command_id = SERVICE_EXEC_START_POST;
80876c20 1828 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1829 if ((r = service_spawn(s,
1830 s->control_command,
1831 true,
1832 false,
1833 !s->permissions_start_only,
1834 !s->root_directory_start_only,
c952c6ec 1835 false,
1e3ad081 1836 false,
e55224ca 1837 &s->control_pid)) < 0)
034c6ed7
LP		 1838 goto fail;
1839
80876c20
LP		 1840 service_set_state(s, SERVICE_START_POST);
1841 } else
1842 service_enter_running(s, true);
034c6ed7
LP		 1843
1844 return;
1845
1846fail:
4cd1fbcc 1847 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1848 service_enter_stop(s, false);
1849}
1850
1851static void service_enter_start(Service *s) {
1852 pid_t pid;
1853 int r;
1854
1855 assert(s);
1856
1857 assert(s->exec_command[SERVICE_EXEC_START]);
34e9ba66 1858 assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
034c6ed7 1859
80876c20
LP		 1860 if (s->type == SERVICE_FORKING)
1861 service_unwatch_control_pid(s);
1862 else
1863 service_unwatch_main_pid(s);
1864
34e9ba66
LP		 1865 s->control_command_id = SERVICE_EXEC_START;
1866 s->control_command = s->exec_command[SERVICE_EXEC_START];
1867
81a2b7ce 1868 if ((r = service_spawn(s,
34e9ba66 1869 s->control_command,
8c47c732 1870 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 1871 true,
1872 true,
1873 true,
1e3ad081 1874 true,
c952c6ec 1875 s->notify_access != NOTIFY_NONE,
81a2b7ce 1876 &pid)) < 0)
034c6ed7
LP		 1877 goto fail;
1878
1879 if (s->type == SERVICE_SIMPLE) {
1880 /* For simple services we immediately start
1881 * the START_POST binaries. */
1882
5925dd3c 1883 service_set_main_pid(s, pid);
034c6ed7
LP		 1884 service_enter_start_post(s);
1885
1886 } else if (s->type == SERVICE_FORKING) {
1887
1888 /* For forking services we wait until the start
1889 * process exited. */
1890
e55224ca 1891 s->control_pid = pid;
80876c20
LP		 1892 service_set_state(s, SERVICE_START);
1893
34e9ba66 1894 } else if (s->type == SERVICE_ONESHOT ||
8c47c732
LP		 1895 s->type == SERVICE_DBUS ||
1896 s->type == SERVICE_NOTIFY) {
7d55e835 1897
34e9ba66 1898 /* For oneshot services we wait until the start
7d55e835
LP		 1899 * process exited, too, but it is our main process. */
1900
05e343b7 1901 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 1902 * but wait for the bus name to appear on the
1903 * bus. Notify services are similar. */
05e343b7 1904
5925dd3c 1905 service_set_main_pid(s, pid);
80876c20 1906 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1907 } else
1908 assert_not_reached("Unknown service type");
1909
1910 return;
1911
1912fail:
4cd1fbcc 1913 log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
80876c20 1914 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1915}
1916
1917static void service_enter_start_pre(Service *s) {
1918 int r;
1919
1920 assert(s);
1921
5e94833f
LP		 1922 service_unwatch_control_pid(s);
1923
a16e1123 1924 s->control_command_id = SERVICE_EXEC_START_PRE;
80876c20 1925 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
81a2b7ce
LP		 1926 if ((r = service_spawn(s,
1927 s->control_command,
1928 true,
1929 false,
1930 !s->permissions_start_only,
1931 !s->root_directory_start_only,
1e3ad081 1932 true,
c952c6ec 1933 false,
e55224ca 1934 &s->control_pid)) < 0)
034c6ed7
LP		 1935 goto fail;
1936
80876c20
LP		 1937 service_set_state(s, SERVICE_START_PRE);
1938 } else
034c6ed7
LP		 1939 service_enter_start(s);
1940
1941 return;
1942
1943fail:
4cd1fbcc 1944 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1945 service_enter_dead(s, false, true);
1946}
1947
1948static void service_enter_restart(Service *s) {
1949 int r;
398ef8ba
LP		 1950 DBusError error;
1951
034c6ed7 1952 assert(s);
398ef8ba 1953 dbus_error_init(&error);
034c6ed7 1954
9ea9a0c8
LP		 1955 service_enter_dead(s, true, false);
1956
7b2603e6 1957 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
034c6ed7
LP		 1958 goto fail;
1959
4cd1fbcc 1960 log_debug("%s scheduled restart job.", s->meta.id);
034c6ed7
LP		 1961 return;
1962
1963fail:
398ef8ba 1964 log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r));
034c6ed7 1965 service_enter_dead(s, false, false);
398ef8ba
LP		 1966
1967 dbus_error_free(&error);
034c6ed7
LP		 1968}
1969
1970static void service_enter_reload(Service *s) {
1971 int r;
1972
1973 assert(s);
1974
5e94833f
LP		 1975 service_unwatch_control_pid(s);
1976
a16e1123 1977 s->control_command_id = SERVICE_EXEC_RELOAD;
80876c20 1978 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 1979 if ((r = service_spawn(s,
1980 s->control_command,
1981 true,
1982 false,
1983 !s->permissions_start_only,
1984 !s->root_directory_start_only,
c952c6ec 1985 false,
1e3ad081 1986 false,
e55224ca 1987 &s->control_pid)) < 0)
034c6ed7
LP		 1988 goto fail;
1989
80876c20
LP		 1990 service_set_state(s, SERVICE_RELOAD);
1991 } else
1992 service_enter_running(s, true);
034c6ed7
LP		 1993
1994 return;
1995
1996fail:
4cd1fbcc 1997 log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1998 service_enter_stop(s, false);
1999}
2000
34e9ba66 2001static void service_run_next_control(Service *s, bool success) {
034c6ed7
LP		 2002 int r;
2003
2004 assert(s);
2005 assert(s->control_command);
2006 assert(s->control_command->command_next);
2007
2008 if (!success)
2009 s->failure = true;
2010
34e9ba66 2011 assert(s->control_command_id != SERVICE_EXEC_START);
034c6ed7 2012
34e9ba66 2013 s->control_command = s->control_command->command_next;
5e94833f
LP		 2014 service_unwatch_control_pid(s);
2015
81a2b7ce
LP		 2016 if ((r = service_spawn(s,
2017 s->control_command,
2018 true,
2019 false,
2020 !s->permissions_start_only,
2021 !s->root_directory_start_only,
5830833f
LP		 2022 s->control_command_id == SERVICE_EXEC_START_PRE ||
2023 s->control_command_id == SERVICE_EXEC_STOP_POST,
1e3ad081 2024 false,
e55224ca 2025 &s->control_pid)) < 0)
034c6ed7
LP		 2026 goto fail;
2027
2028 return;
2029
2030fail:
34e9ba66 2031 log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
034c6ed7 2032
80876c20
LP		 2033 if (s->state == SERVICE_START_PRE)
2034 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2035 else if (s->state == SERVICE_STOP)
2036 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 2037 else if (s->state == SERVICE_STOP_POST)
2038 service_enter_dead(s, false, true);
2039 else
2040 service_enter_stop(s, false);
5cb5a6ff
LP		 2041}
2042
34e9ba66
LP		 2043static void service_run_next_main(Service *s, bool success) {
2044 pid_t pid;
2045 int r;
2046
2047 assert(s);
2048 assert(s->control_command);
2049 assert(s->control_command->command_next);
2050
2051 if (!success)
2052 s->failure = true;
2053
2054 assert(s->control_command_id == SERVICE_EXEC_START);
2055 assert(s->type == SERVICE_ONESHOT);
2056
2057 s->control_command = s->control_command->command_next;
2058 service_unwatch_main_pid(s);
2059
2060 if ((r = service_spawn(s,
2061 s->control_command,
2062 false,
2063 true,
2064 true,
2065 true,
2066 true,
2067 s->notify_access != NOTIFY_NONE,
2068 &pid)) < 0)
2069 goto fail;
2070
2071 service_set_main_pid(s, pid);
2072
2073 return;
2074
2075fail:
2076 log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
2077 service_enter_stop(s, false);
2078}
2079
87f0e418
LP		 2080static int service_start(Unit *u) {
2081 Service *s = SERVICE(u);
5cb5a6ff
LP		 2082
2083 assert(s);
2084
034c6ed7
LP		 2085 /* We cannot fulfill this request right now, try again later
2086 * please! */
2087 if (s->state == SERVICE_STOP ||
2088 s->state == SERVICE_STOP_SIGTERM ||
2089 s->state == SERVICE_STOP_SIGKILL ||
2090 s->state == SERVICE_STOP_POST ||
2091 s->state == SERVICE_FINAL_SIGTERM ||
2092 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 2093 return -EAGAIN;
2094
034c6ed7
LP		 2095 /* Already on it! */
2096 if (s->state == SERVICE_START_PRE ||
2097 s->state == SERVICE_START ||
2098 s->state == SERVICE_START_POST)
2099 return 0;
2100
fdf20a31 2101 assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 2102
1e2e8133
LP		 2103 /* Make sure we don't enter a busy loop of some kind. */
2104 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 2105 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
d5159713 2106 return -ECANCELED;
1e2e8133
LP		 2107 }
2108
034c6ed7
LP		 2109 s->failure = false;
2110 s->main_pid_known = false;
47342320 2111 s->forbid_restart = false;
034c6ed7
LP		 2112
2113 service_enter_start_pre(s);
2114 return 0;
5cb5a6ff
LP		 2115}
2116
87f0e418
LP		 2117static int service_stop(Unit *u) {
2118 Service *s = SERVICE(u);
5cb5a6ff
LP		 2119
2120 assert(s);
2121
3f6c78dc
LP		 2122 /* This is a user request, so don't do restarts on this
2123 * shutdown. */
47342320 2124 s->forbid_restart = true;
034c6ed7 2125
e537352b
LP		 2126 /* Already on it */
2127 if (s->state == SERVICE_STOP ||
2128 s->state == SERVICE_STOP_SIGTERM ||
2129 s->state == SERVICE_STOP_SIGKILL ||
2130 s->state == SERVICE_STOP_POST ||
2131 s->state == SERVICE_FINAL_SIGTERM ||
2132 s->state == SERVICE_FINAL_SIGKILL)
2133 return 0;
2134
3f6c78dc 2135 /* Don't allow a restart */
034c6ed7
LP		 2136 if (s->state == SERVICE_AUTO_RESTART) {
2137 service_set_state(s, SERVICE_DEAD);
2138 return 0;
2139 }
2140
3f6c78dc
LP		 2141 /* If there's already something running we go directly into
2142 * kill mode. */
2143 if (s->state == SERVICE_START_PRE ||
2144 s->state == SERVICE_START ||
2145 s->state == SERVICE_START_POST ||
2146 s->state == SERVICE_RELOAD) {
2147 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
2148 return 0;
2149 }
5cb5a6ff 2150
3f6c78dc
LP		 2151 assert(s->state == SERVICE_RUNNING ||
2152 s->state == SERVICE_EXITED);
3a762661 2153
034c6ed7 2154 service_enter_stop(s, true);
5cb5a6ff
LP		 2155 return 0;
2156}
2157
87f0e418
LP		 2158static int service_reload(Unit *u) {
2159 Service *s = SERVICE(u);
034c6ed7
LP		 2160
2161 assert(s);
2162
80876c20 2163 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 2164
2165 service_enter_reload(s);
5cb5a6ff
LP		 2166 return 0;
2167}
2168
87f0e418
LP		 2169static bool service_can_reload(Unit *u) {
2170 Service *s = SERVICE(u);
034c6ed7
LP		 2171
2172 assert(s);
2173
2174 return !!s->exec_command[SERVICE_EXEC_RELOAD];
2175}
2176
a16e1123
LP		 2177static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
2178 Service *s = SERVICE(u);
2179
2180 assert(u);
2181 assert(f);
2182 assert(fds);
2183
2184 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
2185 unit_serialize_item(u, f, "failure", yes_no(s->failure));
2186
2187 if (s->control_pid > 0)
5925dd3c 2188 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 2189
5925dd3c
LP		 2190 if (s->main_pid_known && s->main_pid > 0)
2191 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 2192
2193 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
2194
3a2776bc
LP		 2195 if (s->status_text)
2196 unit_serialize_item(u, f, "status-text", s->status_text);
2197
a16e1123
LP		 2198 /* There's a minor uncleanliness here: if there are multiple
2199 * commands attached here, we will start from the first one
2200 * again */
2201 if (s->control_command_id >= 0)
825636e5 2202 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 2203
2204 if (s->socket_fd >= 0) {
2205 int copy;
2206
2207 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
2208 return copy;
2209
2210 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
2211 }
2212
ecdbca40
LP		 2213 if (s->main_exec_status.pid > 0) {
2214 unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
2215
2216 if (s->main_exec_status.start_timestamp.realtime > 0) {
2217 unit_serialize_item_format(u, f, "main-exec-status-start-realtime",
2218 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.realtime);
2219
2220 unit_serialize_item_format(u, f, "main-exec-status-start-monotonic",
2221 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.monotonic);
2222 }
2223
2224 if (s->main_exec_status.exit_timestamp.realtime > 0) {
2225 unit_serialize_item_format(u, f, "main-exec-status-exit-realtime",
2226 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.realtime);
2227 unit_serialize_item_format(u, f, "main-exec-status-exit-monotonic",
2228 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.monotonic);
2229
2230 unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
2231 unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
2232 }
2233 }
2234
a16e1123
LP		 2235 return 0;
2236}
2237
2238static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
2239 Service *s = SERVICE(u);
a16e1123
LP		 2240
2241 assert(u);
2242 assert(key);
2243 assert(value);
2244 assert(fds);
2245
2246 if (streq(key, "state")) {
2247 ServiceState state;
2248
2249 if ((state = service_state_from_string(value)) < 0)
2250 log_debug("Failed to parse state value %s", value);
2251 else
2252 s->deserialized_state = state;
2253 } else if (streq(key, "failure")) {
2254 int b;
2255
2256 if ((b = parse_boolean(value)) < 0)
2257 log_debug("Failed to parse failure value %s", value);
2258 else
2259 s->failure = b || s->failure;
2260 } else if (streq(key, "control-pid")) {
5925dd3c 2261 pid_t pid;
a16e1123 2262
e364ad06 2263 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2264 log_debug("Failed to parse control-pid value %s", value);
2265 else
e55224ca 2266 s->control_pid = pid;
a16e1123 2267 } else if (streq(key, "main-pid")) {
5925dd3c 2268 pid_t pid;
a16e1123 2269
e364ad06 2270 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2271 log_debug("Failed to parse main-pid value %s", value);
2272 else
5925dd3c 2273 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 2274 } else if (streq(key, "main-pid-known")) {
2275 int b;
2276
2277 if ((b = parse_boolean(value)) < 0)
2278 log_debug("Failed to parse main-pid-known value %s", value);
2279 else
2280 s->main_pid_known = b;
3a2776bc
LP		 2281 } else if (streq(key, "status-text")) {
2282 char *t;
2283
2284 if ((t = strdup(value))) {
2285 free(s->status_text);
2286 s->status_text = t;
2287 }
2288
a16e1123
LP		 2289 } else if (streq(key, "control-command")) {
2290 ServiceExecCommand id;
2291
2292 if ((id = service_exec_command_from_string(value)) < 0)
2293 log_debug("Failed to parse exec-command value %s", value);
2294 else {
2295 s->control_command_id = id;
2296 s->control_command = s->exec_command[id];
2297 }
2298 } else if (streq(key, "socket-fd")) {
2299 int fd;
2300
2301 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2302 log_debug("Failed to parse socket-fd value %s", value);
2303 else {
2304
2305 if (s->socket_fd >= 0)
2306 close_nointr_nofail(s->socket_fd);
2307 s->socket_fd = fdset_remove(fds, fd);
2308 }
ecdbca40
LP		 2309 } else if (streq(key, "main-exec-status-pid")) {
2310 pid_t pid;
2311
e364ad06 2312 if (parse_pid(value, &pid) < 0)
ecdbca40
LP		 2313 log_debug("Failed to parse main-exec-status-pid value %s", value);
2314 else
2315 s->main_exec_status.pid = pid;
2316 } else if (streq(key, "main-exec-status-code")) {
2317 int i;
2318
e364ad06 2319 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2320 log_debug("Failed to parse main-exec-status-code value %s", value);
2321 else
2322 s->main_exec_status.code = i;
2323 } else if (streq(key, "main-exec-status-status")) {
2324 int i;
2325
e364ad06 2326 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2327 log_debug("Failed to parse main-exec-status-status value %s", value);
2328 else
2329 s->main_exec_status.status = i;
2330 } else if (streq(key, "main-exec-status-start-realtime")) {
2331 uint64_t k;
2332
e364ad06 2333 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2334 log_debug("Failed to parse main-exec-status-start-realtime value %s", value);
2335 else
2336 s->main_exec_status.start_timestamp.realtime = (usec_t) k;
2337 } else if (streq(key, "main-exec-status-start-monotonic")) {
2338 uint64_t k;
2339
e364ad06 2340 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2341 log_debug("Failed to parse main-exec-status-start-monotonic value %s", value);
2342 else
2343 s->main_exec_status.start_timestamp.monotonic = (usec_t) k;
2344 } else if (streq(key, "main-exec-status-exit-realtime")) {
2345 uint64_t k;
2346
e364ad06 2347 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2348 log_debug("Failed to parse main-exec-status-exit-realtime value %s", value);
2349 else
2350 s->main_exec_status.exit_timestamp.realtime = (usec_t) k;
2351 } else if (streq(key, "main-exec-status-exit-monotonic")) {
2352 uint64_t k;
2353
e364ad06 2354 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2355 log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value);
2356 else
2357 s->main_exec_status.exit_timestamp.monotonic = (usec_t) k;
a16e1123
LP		 2358 } else
2359 log_debug("Unknown serialization key '%s'", key);
2360
2361 return 0;
2362}
2363
87f0e418
LP		 2364static UnitActiveState service_active_state(Unit *u) {
2365 assert(u);
5cb5a6ff 2366
acbb0225 2367 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2368}
2369
10a94420
LP		 2370static const char *service_sub_state_to_string(Unit *u) {
2371 assert(u);
2372
2373 return service_state_to_string(SERVICE(u)->state);
2374}
2375
07459bb6 2376#ifdef HAVE_SYSV_COMPAT
701cc384
LP		 2377static bool service_check_gc(Unit *u) {
2378 Service *s = SERVICE(u);
2379
2380 assert(s);
2381
2382 return !!s->sysv_path;
2383}
07459bb6 2384#endif
701cc384
LP		 2385
2386static bool service_check_snapshot(Unit *u) {
2387 Service *s = SERVICE(u);
2388
2389 assert(s);
2390
2391 return !s->got_socket_fd;
2392}
2393
87f0e418
LP		 2394static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2395 Service *s = SERVICE(u);
034c6ed7 2396 bool success;
5cb5a6ff
LP		 2397
2398 assert(s);
034c6ed7
LP		 2399 assert(pid >= 0);
2400
f21781d5 2401 if (!s->meta.fragment_path)
d06dacd0
LP		 2402 success = is_clean_exit_lsb(code, status);
2403 else
2404 success = is_clean_exit(code, status);
034c6ed7
LP		 2405
2406 if (s->main_pid == pid) {
2407
034c6ed7 2408 s->main_pid = 0;
169c1bda 2409 exec_status_exit(&s->main_exec_status, pid, code, status, s->exec_context.utmp_id);
034c6ed7 2410
34e9ba66
LP		 2411 if (s->type != SERVICE_FORKING && s->control_command) {
2412 s->control_command->exec_status = s->main_exec_status;
b708e7ce 2413
34e9ba66 2414 if (s->control_command->ignore)
b708e7ce 2415 success = true;
034c6ed7
LP		 2416 }
2417
92abbefb
LP		 2418 log_full(success ? LOG_DEBUG : LOG_NOTICE,
2419 "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2420 s->failure = s->failure || !success;
034c6ed7 2421
34e9ba66
LP		 2422 if (s->control_command &&
2423 s->control_command->command_next &&
2424 success) {
034c6ed7 2425
34e9ba66
LP		 2426 /* There is another command to *
2427 * execute, so let's do that. */
034c6ed7 2428
34e9ba66
LP		 2429 log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
2430 service_run_next_main(s, success);
034c6ed7 2431
34e9ba66
LP		 2432 } else {
2433
2434 /* The service exited, so the service is officially
2435 * gone. */
2436
2437 s->control_command = NULL;
2438 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2439
2440 switch (s->state) {
2441
2442 case SERVICE_START_POST:
2443 case SERVICE_RELOAD:
2444 case SERVICE_STOP:
2445 /* Need to wait until the operation is
2446 * done */
c4653a4d 2447 break;
7d55e835 2448
34e9ba66
LP		 2449 case SERVICE_START:
2450 if (s->type == SERVICE_ONESHOT) {
2451 /* This was our main goal, so let's go on */
2452 if (success)
2453 service_enter_start_post(s);
2454 else
2455 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2456 break;
2457 } else {
2458 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2459
34e9ba66
LP		 2460 /* Fall through */
2461 }
034c6ed7 2462
34e9ba66
LP		 2463 case SERVICE_RUNNING:
2464 service_enter_running(s, success);
2465 break;
034c6ed7 2466
34e9ba66
LP		 2467 case SERVICE_STOP_SIGTERM:
2468 case SERVICE_STOP_SIGKILL:
5cb5a6ff 2469
34e9ba66
LP		 2470 if (!control_pid_good(s))
2471 service_enter_stop_post(s, success);
5cb5a6ff 2472
34e9ba66
LP		 2473 /* If there is still a control process, wait for that first */
2474 break;
2475
2476 default:
2477 assert_not_reached("Uh, main process died at wrong time.");
2478 }
034c6ed7 2479 }
5cb5a6ff 2480
034c6ed7 2481 } else if (s->control_pid == pid) {
034c6ed7 2482
34e9ba66
LP		 2483 s->control_pid = 0;
2484
b708e7ce 2485 if (s->control_command) {
169c1bda 2486 exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id);
a16e1123 2487
b708e7ce
LP		 2488 if (s->control_command->ignore)
2489 success = true;
2490 }
2491
34e9ba66 2492 log_full(success ? LOG_DEBUG : LOG_NOTICE,
92abbefb 2493 "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2494 s->failure = s->failure || !success;
034c6ed7 2495
34e9ba66
LP		 2496 if (s->control_command &&
2497 s->control_command->command_next &&
2498 success) {
034c6ed7
LP		 2499
2500 /* There is another command to *
2501 * execute, so let's do that. */
2502
34e9ba66
LP		 2503 log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
2504 service_run_next_control(s, success);
034c6ed7 2505
80876c20 2506 } else {
034c6ed7
LP		 2507 /* No further commands for this step, so let's
2508 * figure out what to do next */
2509
a16e1123
LP		 2510 s->control_command = NULL;
2511 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2512
9e2f7c11 2513 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 2514
034c6ed7
LP		 2515 switch (s->state) {
2516
2517 case SERVICE_START_PRE:
2518 if (success)
2519 service_enter_start(s);
2520 else
80876c20 2521 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2522 break;
2523
2524 case SERVICE_START:
2525 assert(s->type == SERVICE_FORKING);
2526
2527 /* Let's try to load the pid
2528 * file here if we can. We
2529 * ignore the return value,
2530 * since the PID file might
2531 * actually be created by a
2532 * START_POST script */
2533
2534 if (success) {
2535 if (s->pid_file)
2536 service_load_pid_file(s);
2537
2538 service_enter_start_post(s);
2539 } else
80876c20 2540 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2541
2542 break;
2543
2544 case SERVICE_START_POST:
2545 if (success && s->pid_file && !s->main_pid_known) {
2546 int r;
2547
2548 /* Hmm, let's see if we can
2549 * load the pid now after the
2550 * start-post scripts got
2551 * executed. */
2552
2553 if ((r = service_load_pid_file(s)) < 0)
4cd1fbcc 2554 log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 2555 }
2556
2557 /* Fall through */
2558
2559 case SERVICE_RELOAD:
80876c20
LP		 2560 if (success)
2561 service_enter_running(s, true);
2562 else
034c6ed7
LP		 2563 service_enter_stop(s, false);
2564
2565 break;
2566
2567 case SERVICE_STOP:
80876c20 2568 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2569 break;
2570
2571 case SERVICE_STOP_SIGTERM:
2572 case SERVICE_STOP_SIGKILL:
2573 if (main_pid_good(s) <= 0)
2574 service_enter_stop_post(s, success);
2575
2576 /* If there is still a service
2577 * process around, wait until
2578 * that one quit, too */
2579 break;
2580
2581 case SERVICE_STOP_POST:
2582 case SERVICE_FINAL_SIGTERM:
2583 case SERVICE_FINAL_SIGKILL:
2584 service_enter_dead(s, success, true);
2585 break;
2586
2587 default:
2588 assert_not_reached("Uh, control process died at wrong time.");
2589 }
2590 }
8c47c732 2591 }
c4e2ceae
LP		 2592
2593 /* Notify clients about changed exit status */
2594 unit_add_to_dbus_queue(u);
034c6ed7
LP		 2595}
2596
acbb0225 2597static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2598 Service *s = SERVICE(u);
034c6ed7
LP		 2599
2600 assert(s);
2601 assert(elapsed == 1);
2602
acbb0225 2603 assert(w == &s->timer_watch);
034c6ed7
LP		 2604
2605 switch (s->state) {
2606
2607 case SERVICE_START_PRE:
2608 case SERVICE_START:
9e2f7c11 2609 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 2610 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2611 break;
2612
034c6ed7
LP		 2613 case SERVICE_START_POST:
2614 case SERVICE_RELOAD:
9e2f7c11 2615 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 2616 service_enter_stop(s, false);
2617 break;
2618
2619 case SERVICE_STOP:
9e2f7c11 2620 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 2621 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2622 break;
2623
2624 case SERVICE_STOP_SIGTERM:
9e2f7c11 2625 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 2626 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2627 break;
2628
2629 case SERVICE_STOP_SIGKILL:
2630 /* Uh, wie sent a SIGKILL and it is still not gone?
2631 * Must be something we cannot kill, so let's just be
2632 * weirded out and continue */
2633
9e2f7c11 2634 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 2635 service_enter_stop_post(s, false);
2636 break;
2637
2638 case SERVICE_STOP_POST:
9e2f7c11 2639 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 2640 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2641 break;
2642
2643 case SERVICE_FINAL_SIGTERM:
9e2f7c11 2644 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 2645 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2646 break;
2647
2648 case SERVICE_FINAL_SIGKILL:
fdf20a31 2649 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
034c6ed7
LP		 2650 service_enter_dead(s, false, true);
2651 break;
2652
2653 case SERVICE_AUTO_RESTART:
54165a39 2654 log_info("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 2655 service_enter_restart(s);
2656 break;
2657
2658 default:
2659 assert_not_reached("Timeout at wrong time.");
2660 }
5cb5a6ff
LP		 2661}
2662
8e274523
LP		 2663static void service_cgroup_notify_event(Unit *u) {
2664 Service *s = SERVICE(u);
2665
2666 assert(u);
2667
9e2f7c11 2668 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 2669
2670 switch (s->state) {
2671
2672 /* Waiting for SIGCHLD is usually more interesting,
2673 * because it includes return codes/signals. Which is
2674 * why we ignore the cgroup events for most cases,
2675 * except when we don't know pid which to expect the
2676 * SIGCHLD for. */
2677
2678 case SERVICE_RUNNING:
80876c20 2679 service_enter_running(s, true);
8e274523
LP		 2680 break;
2681
28708d8a
LP		 2682 case SERVICE_STOP_SIGTERM:
2683 case SERVICE_STOP_SIGKILL:
2684 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2685 service_enter_stop_post(s, true);
2686
2687 break;
2688
7f97f0fe
LP		 2689 case SERVICE_FINAL_SIGTERM:
2690 case SERVICE_FINAL_SIGKILL:
2691 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2692 service_enter_dead(s, true, true);
2693
2694 break;
2695
8e274523
LP		 2696 default:
2697 ;
2698 }
2699}
2700
c952c6ec 2701static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 2702 Service *s = SERVICE(u);
2703 const char *e;
2704
2705 assert(u);
2706
c952c6ec
LP		 2707 if (s->notify_access == NOTIFY_NONE) {
2708 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
2709 u->meta.id, (unsigned long) pid);
2710 return;
2711 }
2712
2713 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
2714 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
2715 u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
2716 return;
2717 }
2718
8c47c732
LP		 2719 log_debug("%s: Got message", u->meta.id);
2720
2721 /* Interpret MAINPID= */
2722 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
2723 (s->state == SERVICE_START ||
2724 s->state == SERVICE_START_POST ||
2725 s->state == SERVICE_RUNNING ||
2726 s->state == SERVICE_RELOAD)) {
8c47c732 2727
5925dd3c 2728 if (parse_pid(e + 8, &pid) < 0)
92abbefb 2729 log_warning("Failed to parse notification message %s", e);
8c47c732
LP		 2730 else {
2731 log_debug("%s: got %s", u->meta.id, e);
5925dd3c 2732 service_set_main_pid(s, pid);
8c47c732
LP		 2733 }
2734 }
2735
2736 /* Interpret READY= */
2737 if (s->type == SERVICE_NOTIFY &&
2738 s->state == SERVICE_START &&
2739 strv_find(tags, "READY=1")) {
2740 log_debug("%s: got READY=1", u->meta.id);
2741
2742 service_enter_start_post(s);
2743 }
2744
2745 /* Interpret STATUS= */
2746 if ((e = strv_find_prefix(tags, "STATUS="))) {
2747 char *t;
2748
3a2776bc
LP		 2749 if (e[7]) {
2750 if (!(t = strdup(e+7))) {
2751 log_error("Failed to allocate string.");
2752 return;
2753 }
2754
2755 log_debug("%s: got %s", u->meta.id, e);
8c47c732 2756
3a2776bc
LP		 2757 free(s->status_text);
2758 s->status_text = t;
2759 } else {
2760 free(s->status_text);
2761 s->status_text = NULL;
2762 }
8c47c732 2763
8c47c732 2764 }
c4e2ceae
LP		 2765
2766 /* Notify clients about changed status or main pid */
2767 unit_add_to_dbus_queue(u);
8c47c732
LP		 2768}
2769
07459bb6 2770#ifdef HAVE_SYSV_COMPAT
2c4104f0 2771static int service_enumerate(Manager *m) {
2c4104f0
LP		 2772 char **p;
2773 unsigned i;
2774 DIR *d = NULL;
2775 char *path = NULL, *fpath = NULL, *name = NULL;
c68364b7
LP		 2776 Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
2777 Unit *service;
2778 Iterator j;
2c4104f0 2779 int r;
980900c1
TG		 2780#ifdef TARGET_ARCH
2781 Unit *previous = NULL;
2782 char *arch_daemons = NULL;
2783 char *arch_daemons_stripped = NULL;
2784 char **arch_daemons_split = NULL;
2785#endif
2c4104f0
LP		 2786
2787 assert(m);
2788
980900c1
TG		 2789#ifdef TARGET_ARCH
2790 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
2791 "DAEMONS", &arch_daemons,
2792 NULL)) < 0) {
2793
2794 if (r != -ENOENT)
2795 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
2796
2797 } else if (arch_daemons) {
2798 if (!(arch_daemons_stripped = strchr(arch_daemons, '(')))
2799 arch_daemons_stripped = arch_daemons;
2800 else
2801 arch_daemons_stripped++; /* strip start paren */
2802
2803 arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */
2804
2805 if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) {
2806 r = -ENOMEM;
2807 goto finish;
2808 }
2809
2810 STRV_FOREACH(p, arch_daemons_split) {
2811
2812 free(name);
409db002 2813 name = NULL;
980900c1
TG		 2814
2815 if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */
2816 continue;
2817
2818 if (!(name = sysv_translate_name(*p))) {
2819 r = -ENOMEM;
2820 goto finish;
2821 }
2822
2823 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
2824 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2825 continue;
2826 }
2827
2828 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0)
2829 goto finish;
2830
2831 if (previous)
2832 if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0)
2833 goto finish;
2834
2835 if (**p != '@') /* daemons prefixed with @ can be started in the background */
2836 previous = service;
2837 }
2838 }
2839#endif
2840
c68364b7
LP		 2841 zero(runlevel_services);
2842
84e3543e 2843 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 2844 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 2845 struct dirent *de;
2846
2847 free(path);
2848 path = NULL;
09cd1ab1 2849 if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
2c4104f0
LP		 2850 r = -ENOMEM;
2851 goto finish;
2852 }
2853
2854 if (d)
2855 closedir(d);
2856
2857 if (!(d = opendir(path))) {
2858 if (errno != ENOENT)
2859 log_warning("opendir() failed on %s: %s", path, strerror(errno));
2860
2861 continue;
2862 }
2863
2864 while ((de = readdir(d))) {
db06e3b6 2865 int a, b;
2c4104f0
LP		 2866
2867 if (ignore_file(de->d_name))
2868 continue;
2869
2870 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
2871 continue;
2872
2873 if (strlen(de->d_name) < 4)
2874 continue;
2875
db06e3b6
LP		 2876 a = undecchar(de->d_name[1]);
2877 b = undecchar(de->d_name[2]);
2878
2879 if (a < 0 || b < 0)
2880 continue;
2881
2c4104f0
LP		 2882 free(fpath);
2883 fpath = NULL;
09cd1ab1 2884 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
2c4104f0
LP		 2885 r = -ENOMEM;
2886 goto finish;
2887 }
2888
2889 if (access(fpath, X_OK) < 0) {
2890
2891 if (errno != ENOENT)
2892 log_warning("access() failed on %s: %s", fpath, strerror(errno));
2893
2894 continue;
2895 }
2896
2897 free(name);
b7ccee3c 2898 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 2899 r = -ENOMEM;
2900 goto finish;
2901 }
2902
398ef8ba 2903 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
fbe9f3a9
LP		 2904 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2905 continue;
2906 }
2c4104f0 2907
c68364b7
LP		 2908 if (de->d_name[0] == 'S') {
2909
f73d93a4
LP		 2910 if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
2911 SERVICE(service)->sysv_start_priority =
2912 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
db06e3b6 2913
c68364b7 2914 SERVICE(service)->sysv_enabled = true;
f73d93a4 2915 }
db06e3b6 2916
c68364b7
LP		 2917 if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
2918 goto finish;
2c4104f0 2919
c68364b7 2920 if ((r = set_put(runlevel_services[i], service)) < 0)
2c4104f0 2921 goto finish;
23a177ef 2922
fc5df99e
LP		 2923 } else if (de->d_name[0] == 'K' &&
2924 (rcnd_table[i].type == RUNLEVEL_DOWN ||
2925 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f 2926
c68364b7
LP		 2927 if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
2928 goto finish;
2929
2930 if ((r = set_put(shutdown_services, service)) < 0)
2c4104f0
LP		 2931 goto finish;
2932 }
2933 }
2934 }
2935
c68364b7
LP		 2936 /* Now we loaded all stubs and are aware of the lowest
2937 start-up priority for all services, not let's actually load
2938 the services, this will also tell us which services are
2939 actually native now */
2940 manager_dispatch_load_queue(m);
2941
2942 /* If this is a native service, rely on native ways to pull in
2943 * a service, don't pull it in via sysv rcN.d links. */
2944 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
2945 SET_FOREACH(service, runlevel_services[i], j) {
2946 service = unit_follow_merge(service);
2947
2948 if (service->meta.fragment_path)
2949 continue;
2950
2951 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
2952 goto finish;
2953 }
2954
2955 /* We honour K links only for halt/reboot. For the normal
2956 * runlevels we assume the stop jobs will be implicitly added
2957 * by the core logic. Also, we don't really distuingish here
2958 * between the runlevels 0 and 6 and just add them to the
2959 * special shutdown target. On SUSE the boot.d/ runlevel is
2960 * also used for shutdown, so we add links for that too to the
2961 * shutdown target.*/
2962 SET_FOREACH(service, shutdown_services, j) {
2963 service = unit_follow_merge(service);
2964
2965 if (service->meta.fragment_path)
2966 continue;
2967
2968 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
2969 goto finish;
2970 }
2971
2c4104f0
LP		 2972 r = 0;
2973
2974finish:
2975 free(path);
2976 free(fpath);
2977 free(name);
980900c1
TG		 2978#ifdef TARGET_ARCH
2979 free(arch_daemons);
2980 free(arch_daemons_split);
2981#endif
fbe9f3a9 2982
c68364b7
LP		 2983 for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
2984 set_free(runlevel_services[i]);
2985 set_free(shutdown_services);
2986
fbe9f3a9
LP		 2987 if (d)
2988 closedir(d);
2c4104f0
LP		 2989
2990 return r;
2991}
07459bb6 2992#endif
2c4104f0 2993
05e343b7
LP		 2994static void service_bus_name_owner_change(
2995 Unit *u,
2996 const char *name,
2997 const char *old_owner,
2998 const char *new_owner) {
2999
3000 Service *s = SERVICE(u);
3001
3002 assert(s);
3003 assert(name);
3004
3005 assert(streq(s->bus_name, name));
3006 assert(old_owner || new_owner);
3007
3008 if (old_owner && new_owner)
3009 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
3010 else if (old_owner)
3011 log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
3012 else
3013 log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
3014
3015 s->bus_name_good = !!new_owner;
3016
3017 if (s->type == SERVICE_DBUS) {
3018
3019 /* service_enter_running() will figure out what to
3020 * do */
3021 if (s->state == SERVICE_RUNNING)
3022 service_enter_running(s, true);
3023 else if (s->state == SERVICE_START && new_owner)
3024 service_enter_start_post(s);
3025
3026 } else if (new_owner &&
3027 s->main_pid <= 0 &&
3028 (s->state == SERVICE_START ||
3029 s->state == SERVICE_START_POST ||
3030 s->state == SERVICE_RUNNING ||
3031 s->state == SERVICE_RELOAD)) {
3032
3033 /* Try to acquire PID from bus service */
3034 log_debug("Trying to acquire PID from D-Bus name...");
3035
3036 bus_query_pid(u->meta.manager, name);
3037 }
3038}
3039
3040static void service_bus_query_pid_done(
3041 Unit *u,
3042 const char *name,
3043 pid_t pid) {
3044
3045 Service *s = SERVICE(u);
3046
3047 assert(s);
3048 assert(name);
3049
3050 log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
3051
3052 if (s->main_pid <= 0 &&
3053 (s->state == SERVICE_START ||
3054 s->state == SERVICE_START_POST ||
3055 s->state == SERVICE_RUNNING ||
3056 s->state == SERVICE_RELOAD))
5925dd3c 3057 service_set_main_pid(s, pid);
05e343b7
LP		 3058}
3059
6cf6bbc2 3060int service_set_socket_fd(Service *s, int fd, Socket *sock) {
4f2d528d
LP		 3061 assert(s);
3062 assert(fd >= 0);
3063
3064 /* This is called by the socket code when instantiating a new
3065 * service for a stream socket and the socket needs to be
3066 * configured. */
3067
4cd1fbcc 3068 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 3069 return -EINVAL;
3070
3071 if (s->socket_fd >= 0)
3072 return -EBUSY;
3073
3074 if (s->state != SERVICE_DEAD)
3075 return -EAGAIN;
3076
3077 s->socket_fd = fd;
701cc384 3078 s->got_socket_fd = true;
f976f3f6 3079 s->accept_socket = sock;
6cf6bbc2 3080
4f2d528d
LP		 3081 return 0;
3082}
3083
fdf20a31 3084static void service_reset_failed(Unit *u) {
5632e374
LP		 3085 Service *s = SERVICE(u);
3086
3087 assert(s);
3088
fdf20a31 3089 if (s->state == SERVICE_FAILED)
5632e374
LP		 3090 service_set_state(s, SERVICE_DEAD);
3091
3092 s->failure = false;
3093}
3094
94f04347
LP		 3095static const char* const service_state_table[_SERVICE_STATE_MAX] = {
3096 [SERVICE_DEAD] = "dead",
3097 [SERVICE_START_PRE] = "start-pre",
3098 [SERVICE_START] = "start",
3099 [SERVICE_START_POST] = "start-post",
3100 [SERVICE_RUNNING] = "running",
80876c20 3101 [SERVICE_EXITED] = "exited",
94f04347
LP		 3102 [SERVICE_RELOAD] = "reload",
3103 [SERVICE_STOP] = "stop",
3104 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
3105 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
3106 [SERVICE_STOP_POST] = "stop-post",
3107 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
3108 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 3109 [SERVICE_FAILED] = "failed",
94f04347
LP		 3110 [SERVICE_AUTO_RESTART] = "auto-restart",
3111};
3112
3113DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
3114
3115static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
525ee6f4
LP		 3116 [SERVICE_RESTART_NO] = "no",
3117 [SERVICE_RESTART_ON_SUCCESS] = "on-success",
3118 [SERVICE_RESTART_ALWAYS] = "always",
94f04347
LP		 3119};
3120
3121DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
3122
3123static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
94f04347 3124 [SERVICE_SIMPLE] = "simple",
0d624a78 3125 [SERVICE_FORKING] = "forking",
34e9ba66 3126 [SERVICE_ONESHOT] = "oneshot",
8c47c732
LP		 3127 [SERVICE_DBUS] = "dbus",
3128 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 3129};
3130
3131DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
3132
e537352b 3133static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 3134 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
3135 [SERVICE_EXEC_START] = "ExecStart",
3136 [SERVICE_EXEC_START_POST] = "ExecStartPost",
3137 [SERVICE_EXEC_RELOAD] = "ExecReload",
3138 [SERVICE_EXEC_STOP] = "ExecStop",
3139 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
3140};
3141
3142DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
3143
c952c6ec
LP		 3144static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
3145 [NOTIFY_NONE] = "none",
3146 [NOTIFY_MAIN] = "main",
3147 [NOTIFY_ALL] = "all"
3148};
3149
3150DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
3151
87f0e418 3152const UnitVTable service_vtable = {
5cb5a6ff 3153 .suffix = ".service",
9e58ff9c 3154 .show_status = true,
5cb5a6ff 3155
034c6ed7
LP		 3156 .init = service_init,
3157 .done = service_done,
a16e1123
LP		 3158 .load = service_load,
3159
3160 .coldplug = service_coldplug,
034c6ed7 3161
5cb5a6ff
LP		 3162 .dump = service_dump,
3163
3164 .start = service_start,
3165 .stop = service_stop,
3166 .reload = service_reload,
3167
034c6ed7
LP		 3168 .can_reload = service_can_reload,
3169
a16e1123
LP		 3170 .serialize = service_serialize,
3171 .deserialize_item = service_deserialize_item,
3172
5cb5a6ff 3173 .active_state = service_active_state,
10a94420 3174 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 3175
07459bb6 3176#ifdef HAVE_SYSV_COMPAT
701cc384 3177 .check_gc = service_check_gc,
07459bb6 3178#endif
701cc384
LP		 3179 .check_snapshot = service_check_snapshot,
3180
034c6ed7
LP		 3181 .sigchld_event = service_sigchld_event,
3182 .timer_event = service_timer_event,
2c4104f0 3183
fdf20a31 3184 .reset_failed = service_reset_failed,
5632e374 3185
8e274523 3186 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 3187 .notify_message = service_notify_message,
8e274523 3188
05e343b7
LP		 3189 .bus_name_owner_change = service_bus_name_owner_change,
3190 .bus_query_pid_done = service_bus_query_pid_done,
3191
c4e2ceae 3192 .bus_interface = "org.freedesktop.systemd1.Service",
4139c1b2 3193 .bus_message_handler = bus_service_message_handler,
c4e2ceae 3194 .bus_invalidating_properties = bus_service_invalidating_properties,
4139c1b2 3195
07459bb6 3196#ifdef HAVE_SYSV_COMPAT
2c4104f0 3197 .enumerate = service_enumerate
07459bb6 3198#endif
5cb5a6ff 3199};
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