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unit-name: Fix unescaping
[thirdparty/systemd.git] / src / service.c
CommitLineData
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 == '$' ? name + 1 : name;
a7d3cc26 303
ee95669f 304 for (i = 0; i < ELEMENTSOF(table); i += 2) {
a7d3cc26 305
ee95669f
LP		 306 if (!streq(table[i], n))
307 continue;
2c4104f0 308
ee95669f
LP		 309 if (!table[i+1])
310 return 0;
311
312 if (!(r = strdup(table[i+1])))
313 return -ENOMEM;
314
315 goto finish;
316 }
2c4104f0 317
a7d3cc26 318 /* If we don't know this name, fallback heuristics to figure
0003d1ab 319 * out whether something is a target or a service alias. */
a7d3cc26 320
2c4104f0 321 if (*name == '$')
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
9fff8a1f
LP		 932static int fsck_fix_order(Service *s) {
933 Meta *other;
934 int r;
935
936 assert(s);
937
938 if (s->fsck_passno <= 0)
939 return 0;
940
941 /* For each pair of services where both have an fsck priority
942 * we order things based on it. */
943
944 LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) {
945 Service *t;
946 UnitDependency d;
947
948 t = (Service*) other;
949
950 if (s == t)
951 continue;
952
953 if (t->meta.load_state != UNIT_LOADED)
954 continue;
955
956 if (t->fsck_passno <= 0)
957 continue;
958
959 if (t->fsck_passno < s->fsck_passno)
960 d = UNIT_AFTER;
961 else if (t->fsck_passno > s->fsck_passno)
962 d = UNIT_BEFORE;
963 else
964 continue;
965
966 if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
967 return r;
968 }
969
970 return 0;
971}
972
243b1432
LP		 973static int service_verify(Service *s) {
974 assert(s);
975
4cd1fbcc 976 if (s->meta.load_state != UNIT_LOADED)
243b1432
LP		 977 return 0;
978
979 if (!s->exec_command[SERVICE_EXEC_START]) {
4cd1fbcc 980 log_error("%s lacks ExecStart setting. Refusing.", s->meta.id);
243b1432
LP		 981 return -EINVAL;
982 }
983
34e9ba66
LP		 984 if (s->type != SERVICE_ONESHOT &&
985 s->exec_command[SERVICE_EXEC_START]->command_next) {
986 log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id);
6cf6bbc2
LP		 987 return -EINVAL;
988 }
989
05e343b7 990 if (s->type == SERVICE_DBUS && !s->bus_name) {
4d0e5dbd
LP		 991 log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id);
992 return -EINVAL;
993 }
994
2e22afe9 995 if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) {
4d0e5dbd 996 log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id);
05e343b7
LP		 997 return -EINVAL;
998 }
999
243b1432
LP		 1000 return 0;
1001}
1002
a40eb732
LP		 1003static int service_add_default_dependencies(Service *s) {
1004 int r;
1005
1006 assert(s);
1007
1008 /* Add a number of automatic dependencies useful for the
1009 * majority of services. */
1010
1011 /* First, pull in base system */
1012 if (s->meta.manager->running_as == MANAGER_SYSTEM) {
1013
1014 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0)
1015 return r;
1016
1017 } else if (s->meta.manager->running_as == MANAGER_SESSION) {
1018
1019 if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0)
1020 return r;
1021 }
1022
1023 /* Second, activate normal shutdown */
69dd2852 1024 return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true);
a40eb732
LP		 1025}
1026
e537352b
LP		 1027static int service_load(Unit *u) {
1028 int r;
1029 Service *s = SERVICE(u);
1030
1031 assert(s);
1e2e8133 1032
5cb5a6ff 1033 /* Load a .service file */
e537352b 1034 if ((r = unit_load_fragment(u)) < 0)
5cb5a6ff
LP		 1035 return r;
1036
07459bb6 1037#ifdef HAVE_SYSV_COMPAT
bd77d0fc 1038 /* Load a classic init script as a fallback, if we couldn't find anything */
e537352b
LP		 1039 if (u->meta.load_state == UNIT_STUB)
1040 if ((r = service_load_sysv(s)) < 0)
23a177ef 1041 return r;
07459bb6 1042#endif
d46de8a1 1043
23a177ef 1044 /* Still nothing found? Then let's give up */
e537352b 1045 if (u->meta.load_state == UNIT_STUB)
23a177ef 1046 return -ENOENT;
034c6ed7 1047
23a177ef
LP		 1048 /* We were able to load something, then let's add in the
1049 * dropin directories. */
1050 if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
8e274523 1051 return r;
23a177ef
LP		 1052
1053 /* This is a new unit? Then let's add in some extras */
e537352b 1054 if (u->meta.load_state == UNIT_LOADED) {
23a177ef
LP		 1055 if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
1056 return r;
1057
1058 if ((r = unit_add_default_cgroup(u)) < 0)
1059 return r;
1060
07459bb6 1061#ifdef HAVE_SYSV_COMPAT
56d748b4 1062 if ((r = sysv_fix_order(s)) < 0)
23a177ef 1063 return r;
07459bb6 1064#endif
05e343b7 1065
9fff8a1f
LP		 1066 if ((r = fsck_fix_order(s)) < 0)
1067 return r;
1068
ee0dd802 1069 if (s->bus_name)
05e343b7 1070 if ((r = unit_watch_bus_name(u, s->bus_name)) < 0)
a40eb732 1071 return r;
c952c6ec
LP		 1072
1073 if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
1074 s->notify_access = NOTIFY_MAIN;
a40eb732
LP		 1075
1076 if (s->type == SERVICE_DBUS || s->bus_name)
1077 if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0)
1078 return r;
1079
1080 if (s->meta.default_dependencies)
1081 if ((r = service_add_default_dependencies(s)) < 0)
1082 return r;
8e274523
LP		 1083 }
1084
243b1432 1085 return service_verify(s);
034c6ed7
LP		 1086}
1087
87f0e418 1088static void service_dump(Unit *u, FILE *f, const char *prefix) {
5cb5a6ff 1089
5cb5a6ff 1090 ServiceExecCommand c;
87f0e418 1091 Service *s = SERVICE(u);
47be870b
LP		 1092 const char *prefix2;
1093 char *p2;
5cb5a6ff
LP		 1094
1095 assert(s);
1096
47be870b
LP		 1097 p2 = strappend(prefix, "\t");
1098 prefix2 = p2 ? p2 : prefix;
44d8db9e 1099
5cb5a6ff 1100 fprintf(f,
81a2b7ce
LP		 1101 "%sService State: %s\n"
1102 "%sPermissionsStartOnly: %s\n"
8e274523 1103 "%sRootDirectoryStartOnly: %s\n"
02ee865a 1104 "%sRemainAfterExit: %s\n"
c952c6ec 1105 "%sType: %s\n"
2cf3143a 1106 "%sRestart: %s\n"
c952c6ec 1107 "%sNotifyAccess: %s\n",
81a2b7ce
LP		 1108 prefix, service_state_to_string(s->state),
1109 prefix, yes_no(s->permissions_start_only),
8e274523 1110 prefix, yes_no(s->root_directory_start_only),
02ee865a 1111 prefix, yes_no(s->remain_after_exit),
c952c6ec 1112 prefix, service_type_to_string(s->type),
2cf3143a 1113 prefix, service_restart_to_string(s->restart),
c952c6ec 1114 prefix, notify_access_to_string(s->notify_access));
5cb5a6ff 1115
70123e68
LP		 1116 if (s->control_pid > 0)
1117 fprintf(f,
bb00e604
LP		 1118 "%sControl PID: %lu\n",
1119 prefix, (unsigned long) s->control_pid);
70123e68
LP		 1120
1121 if (s->main_pid > 0)
1122 fprintf(f,
bb00e604
LP		 1123 "%sMain PID: %lu\n",
1124 prefix, (unsigned long) s->main_pid);
70123e68 1125
034c6ed7
LP		 1126 if (s->pid_file)
1127 fprintf(f,
1128 "%sPIDFile: %s\n",
1129 prefix, s->pid_file);
1130
05e343b7
LP		 1131 if (s->bus_name)
1132 fprintf(f,
1133 "%sBusName: %s\n"
1134 "%sBus Name Good: %s\n",
1135 prefix, s->bus_name,
1136 prefix, yes_no(s->bus_name_good));
1137
5cb5a6ff
LP		 1138 exec_context_dump(&s->exec_context, f, prefix);
1139
e537352b 1140 for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) {
5cb5a6ff 1141
44d8db9e
LP		 1142 if (!s->exec_command[c])
1143 continue;
1144
40d50879 1145 fprintf(f, "%s-> %s:\n",
94f04347 1146 prefix, service_exec_command_to_string(c));
44d8db9e
LP		 1147
1148 exec_command_dump_list(s->exec_command[c], f, prefix2);
5cb5a6ff 1149 }
44d8db9e 1150
07459bb6 1151#ifdef HAVE_SYSV_COMPAT
2c4104f0
LP		 1152 if (s->sysv_path)
1153 fprintf(f,
23a177ef 1154 "%sSysV Init Script Path: %s\n"
9fff8a1f
LP		 1155 "%sSysV Init Script has LSB Header: %s\n"
1156 "%sSysVEnabled: %s\n",
23a177ef 1157 prefix, s->sysv_path,
9fff8a1f
LP		 1158 prefix, yes_no(s->sysv_has_lsb),
1159 prefix, yes_no(s->sysv_enabled));
2c4104f0
LP		 1160
1161 if (s->sysv_start_priority >= 0)
1162 fprintf(f,
9fff8a1f
LP		 1163 "%sSysVStartPriority: %i\n",
1164 prefix, s->sysv_start_priority);
2c4104f0 1165
8309400a
LP		 1166 if (s->sysv_runlevels)
1167 fprintf(f, "%sSysVRunLevels: %s\n",
1168 prefix, s->sysv_runlevels);
07459bb6 1169#endif
23a177ef 1170
9fff8a1f
LP		 1171 if (s->fsck_passno > 0)
1172 fprintf(f,
1173 "%sFsckPassNo: %i\n",
1174 prefix, s->fsck_passno);
1175
8c47c732
LP		 1176 if (s->status_text)
1177 fprintf(f, "%sStatus Text: %s\n",
1178 prefix, s->status_text);
1179
47be870b 1180 free(p2);
5cb5a6ff
LP		 1181}
1182
034c6ed7
LP		 1183static int service_load_pid_file(Service *s) {
1184 char *k;
034c6ed7 1185 int r;
5925dd3c 1186 pid_t pid;
034c6ed7
LP		 1187
1188 assert(s);
1189
1190 if (s->main_pid_known)
1191 return 0;
1192
5e94833f
LP		 1193 assert(s->main_pid <= 0);
1194
034c6ed7
LP		 1195 if (!s->pid_file)
1196 return -ENOENT;
1197
1198 if ((r = read_one_line_file(s->pid_file, &k)) < 0)
1199 return r;
1200
5925dd3c
LP		 1201 r = parse_pid(k, &pid);
1202 free(k);
034c6ed7 1203
5925dd3c
LP		 1204 if (r < 0)
1205 return r;
406eaf93 1206
5925dd3c
LP		 1207 if (kill(pid, 0) < 0 && errno != EPERM) {
1208 log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.",
1209 (unsigned long) pid, s->pid_file);
b8c597d5
LP		 1210 return -ESRCH;
1211 }
1212
5925dd3c 1213 if ((r = service_set_main_pid(s, pid)) < 0)
16f6025e
LP		 1214 return r;
1215
5925dd3c
LP		 1216 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
1217 /* FIXME: we need to do something here */
1218 return r;
034c6ed7
LP		 1219
1220 return 0;
1221}
1222
3e33402a
LP		 1223static int service_get_sockets(Service *s, Set **_set) {
1224 Set *set;
ceee3d82
LP		 1225 Iterator i;
1226 char *t;
3e33402a 1227 int r;
ceee3d82
LP		 1228
1229 assert(s);
3e33402a
LP		 1230 assert(_set);
1231
6cf6bbc2
LP		 1232 if (s->socket_fd >= 0)
1233 return 0;
1234
f976f3f6
LP		 1235 if (!set_isempty(s->configured_sockets))
1236 return 0;
1237
3e33402a
LP		 1238 /* Collects all Socket objects that belong to this
1239 * service. Note that a service might have multiple sockets
1240 * via multiple names. */
1241
1242 if (!(set = set_new(NULL, NULL)))
1243 return -ENOMEM;
ceee3d82 1244
4cd1fbcc 1245 SET_FOREACH(t, s->meta.names, i) {
ceee3d82
LP		 1246 char *k;
1247 Unit *p;
1248
1249 /* Look for all socket objects that go by any of our
1250 * units and collect their fds */
1251
3e33402a
LP		 1252 if (!(k = unit_name_change_suffix(t, ".socket"))) {
1253 r = -ENOMEM;
1254 goto fail;
1255 }
ceee3d82 1256
4cd1fbcc 1257 p = manager_get_unit(s->meta.manager, k);
ceee3d82
LP		 1258 free(k);
1259
8d567588
LP		 1260 if (!p)
1261 continue;
ceee3d82 1262
3e33402a
LP		 1263 if ((r = set_put(set, p)) < 0)
1264 goto fail;
ceee3d82
LP		 1265 }
1266
3e33402a
LP		 1267 *_set = set;
1268 return 0;
1269
1270fail:
1271 set_free(set);
1272 return r;
1273}
1274
e537352b 1275static int service_notify_sockets_dead(Service *s) {
3e33402a 1276 Iterator i;
f976f3f6 1277 Set *set, *free_set = NULL;
47be870b 1278 Socket *sock;
3e33402a
LP		 1279 int r;
1280
1281 assert(s);
1282
f976f3f6
LP		 1283 /* Notifies all our sockets when we die */
1284
6cf6bbc2
LP		 1285 if (s->socket_fd >= 0)
1286 return 0;
1287
f976f3f6
LP		 1288 if (!set_isempty(s->configured_sockets))
1289 set = s->configured_sockets;
1290 else {
1291 if ((r = service_get_sockets(s, &free_set)) < 0)
1292 return r;
1293
1294 set = free_set;
1295 }
3e33402a 1296
47be870b
LP		 1297 SET_FOREACH(sock, set, i)
1298 socket_notify_service_dead(sock);
3e33402a 1299
f976f3f6 1300 set_free(free_set);
3e33402a 1301
ceee3d82
LP		 1302 return 0;
1303}
1304
034c6ed7
LP		 1305static void service_set_state(Service *s, ServiceState state) {
1306 ServiceState old_state;
5cb5a6ff
LP		 1307 assert(s);
1308
034c6ed7 1309 old_state = s->state;
5cb5a6ff 1310 s->state = state;
034c6ed7
LP		 1311
1312 if (state != SERVICE_START_PRE &&
1313 state != SERVICE_START &&
1314 state != SERVICE_START_POST &&
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 &&
1322 state != SERVICE_AUTO_RESTART)
acbb0225 1323 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1324
7d55e835
LP		 1325 if (state != SERVICE_START &&
1326 state != SERVICE_START_POST &&
034c6ed7
LP		 1327 state != SERVICE_RUNNING &&
1328 state != SERVICE_RELOAD &&
1329 state != SERVICE_STOP &&
1330 state != SERVICE_STOP_SIGTERM &&
1331 state != SERVICE_STOP_SIGKILL)
5e94833f 1332 service_unwatch_main_pid(s);
034c6ed7
LP		 1333
1334 if (state != SERVICE_START_PRE &&
1335 state != SERVICE_START &&
1336 state != SERVICE_START_POST &&
1337 state != SERVICE_RELOAD &&
1338 state != SERVICE_STOP &&
1339 state != SERVICE_STOP_SIGTERM &&
1340 state != SERVICE_STOP_SIGKILL &&
1341 state != SERVICE_STOP_POST &&
1342 state != SERVICE_FINAL_SIGTERM &&
e537352b 1343 state != SERVICE_FINAL_SIGKILL) {
5e94833f 1344 service_unwatch_control_pid(s);
034c6ed7 1345 s->control_command = NULL;
a16e1123 1346 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
e537352b 1347 }
034c6ed7 1348
ceee3d82
LP		 1349 if (state == SERVICE_DEAD ||
1350 state == SERVICE_STOP ||
1351 state == SERVICE_STOP_SIGTERM ||
1352 state == SERVICE_STOP_SIGKILL ||
1353 state == SERVICE_STOP_POST ||
1354 state == SERVICE_FINAL_SIGTERM ||
1355 state == SERVICE_FINAL_SIGKILL ||
fdf20a31 1356 state == SERVICE_FAILED ||
ceee3d82 1357 state == SERVICE_AUTO_RESTART)
e537352b 1358 service_notify_sockets_dead(s);
ceee3d82 1359
4f2d528d
LP		 1360 if (state != SERVICE_START_PRE &&
1361 state != SERVICE_START &&
6cf6bbc2
LP		 1362 state != SERVICE_START_POST &&
1363 state != SERVICE_RUNNING &&
1364 state != SERVICE_RELOAD &&
1365 state != SERVICE_STOP &&
1366 state != SERVICE_STOP_SIGTERM &&
1367 state != SERVICE_STOP_SIGKILL &&
1368 state != SERVICE_STOP_POST &&
1369 state != SERVICE_FINAL_SIGTERM &&
1370 state != SERVICE_FINAL_SIGKILL &&
4cd1fbcc 1371 !(state == SERVICE_DEAD && s->meta.job)) {
4f2d528d 1372 service_close_socket_fd(s);
6cf6bbc2
LP		 1373 service_connection_unref(s);
1374 }
4f2d528d 1375
f6023656
LP		 1376 /* For the inactive states unit_notify() will trim the cgroup,
1377 * but for exit we have to do that ourselves... */
1378 if (state == SERVICE_EXITED)
1379 cgroup_bonding_trim_list(s->meta.cgroup_bondings, true);
1380
e537352b 1381 if (old_state != state)
4cd1fbcc 1382 log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state));
acbb0225
LP		 1383
1384 unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
034c6ed7
LP		 1385}
1386
a16e1123
LP		 1387static int service_coldplug(Unit *u) {
1388 Service *s = SERVICE(u);
1389 int r;
1390
1391 assert(s);
1392 assert(s->state == SERVICE_DEAD);
1393
1394 if (s->deserialized_state != s->state) {
1395
1396 if (s->deserialized_state == SERVICE_START_PRE ||
1397 s->deserialized_state == SERVICE_START ||
1398 s->deserialized_state == SERVICE_START_POST ||
1399 s->deserialized_state == SERVICE_RELOAD ||
1400 s->deserialized_state == SERVICE_STOP ||
1401 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1402 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1403 s->deserialized_state == SERVICE_STOP_POST ||
1404 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1405 s->deserialized_state == SERVICE_FINAL_SIGKILL ||
e558336f
LP		 1406 s->deserialized_state == SERVICE_AUTO_RESTART) {
1407
1408 if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) {
1409 usec_t k;
1410
1411 k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec;
1412
1413 if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0)
1414 return r;
1415 }
1416 }
a16e1123
LP		 1417
1418 if ((s->deserialized_state == SERVICE_START &&
1419 (s->type == SERVICE_FORKING ||
8c47c732 1420 s->type == SERVICE_DBUS ||
34e9ba66 1421 s->type == SERVICE_ONESHOT ||
8c47c732 1422 s->type == SERVICE_NOTIFY)) ||
a16e1123
LP		 1423 s->deserialized_state == SERVICE_START_POST ||
1424 s->deserialized_state == SERVICE_RUNNING ||
1425 s->deserialized_state == SERVICE_RELOAD ||
1426 s->deserialized_state == SERVICE_STOP ||
1427 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1428 s->deserialized_state == SERVICE_STOP_SIGKILL)
1429 if (s->main_pid > 0)
1430 if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0)
1431 return r;
1432
1433 if (s->deserialized_state == SERVICE_START_PRE ||
1434 s->deserialized_state == SERVICE_START ||
1435 s->deserialized_state == SERVICE_START_POST ||
1436 s->deserialized_state == SERVICE_RELOAD ||
1437 s->deserialized_state == SERVICE_STOP ||
1438 s->deserialized_state == SERVICE_STOP_SIGTERM ||
1439 s->deserialized_state == SERVICE_STOP_SIGKILL ||
1440 s->deserialized_state == SERVICE_STOP_POST ||
1441 s->deserialized_state == SERVICE_FINAL_SIGTERM ||
1442 s->deserialized_state == SERVICE_FINAL_SIGKILL)
1443 if (s->control_pid > 0)
1444 if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0)
1445 return r;
1446
1447 service_set_state(s, s->deserialized_state);
1448 }
1449
1450 return 0;
1451}
1452
44d8db9e
LP		 1453static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) {
1454 Iterator i;
1455 int r;
1456 int *rfds = NULL;
1457 unsigned rn_fds = 0;
f976f3f6 1458 Set *set, *free_set = NULL;
47be870b 1459 Socket *sock;
44d8db9e
LP		 1460
1461 assert(s);
1462 assert(fds);
1463 assert(n_fds);
1464
6cf6bbc2
LP		 1465 if (s->socket_fd >= 0)
1466 return 0;
1467
f976f3f6
LP		 1468 if (!set_isempty(s->configured_sockets))
1469 set = s->configured_sockets;
1470 else {
1471 if ((r = service_get_sockets(s, &free_set)) < 0)
1472 return r;
1473
1474 set = free_set;
1475 }
3e33402a 1476
47be870b 1477 SET_FOREACH(sock, set, i) {
44d8db9e
LP		 1478 int *cfds;
1479 unsigned cn_fds;
1480
47be870b 1481 if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0)
44d8db9e
LP		 1482 goto fail;
1483
1484 if (!cfds)
1485 continue;
1486
1487 if (!rfds) {
1488 rfds = cfds;
1489 rn_fds = cn_fds;
1490 } else {
1491 int *t;
1492
1493 if (!(t = new(int, rn_fds+cn_fds))) {
1494 free(cfds);
1495 r = -ENOMEM;
1496 goto fail;
1497 }
1498
1499 memcpy(t, rfds, rn_fds);
1500 memcpy(t+rn_fds, cfds, cn_fds);
1501 free(rfds);
1502 free(cfds);
1503
1504 rfds = t;
1505 rn_fds = rn_fds+cn_fds;
1506 }
1507 }
1508
1509 *fds = rfds;
1510 *n_fds = rn_fds;
3e33402a 1511
f976f3f6 1512 set_free(free_set);
3e33402a 1513
44d8db9e
LP		 1514 return 0;
1515
1516fail:
3e33402a 1517 set_free(set);
44d8db9e 1518 free(rfds);
3e33402a 1519
44d8db9e
LP		 1520 return r;
1521}
1522
81a2b7ce
LP		 1523static int service_spawn(
1524 Service *s,
1525 ExecCommand *c,
1526 bool timeout,
1527 bool pass_fds,
1528 bool apply_permissions,
1529 bool apply_chroot,
1e3ad081 1530 bool apply_tty_stdin,
c952c6ec 1531 bool set_notify_socket,
81a2b7ce
LP		 1532 pid_t *_pid) {
1533
034c6ed7
LP		 1534 pid_t pid;
1535 int r;
6cf6bbc2 1536 int *fds = NULL, *fdsbuf = NULL;
2105e76a
LP		 1537 unsigned n_fds = 0, n_env = 0;
1538 char **argv = NULL, **final_env = NULL, **our_env = NULL;
034c6ed7
LP		 1539
1540 assert(s);
1541 assert(c);
1542 assert(_pid);
1543
6cf6bbc2
LP		 1544 if (pass_fds ||
1545 s->exec_context.std_input == EXEC_INPUT_SOCKET ||
1546 s->exec_context.std_output == EXEC_OUTPUT_SOCKET ||
1547 s->exec_context.std_error == EXEC_OUTPUT_SOCKET) {
1548
4f2d528d
LP		 1549 if (s->socket_fd >= 0) {
1550 fds = &s->socket_fd;
1551 n_fds = 1;
6cf6bbc2
LP		 1552 } else {
1553 if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0)
1554 goto fail;
1555
1556 fds = fdsbuf;
1557 }
4f2d528d 1558 }
44d8db9e 1559
e558336f 1560 if (timeout && s->timeout_usec) {
acbb0225 1561 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1562 goto fail;
1563 } else
acbb0225 1564 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7 1565
9e2f7c11
LP		 1566 if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) {
1567 r = -ENOMEM;
1568 goto fail;
1569 }
1570
2105e76a
LP		 1571 if (!(our_env = new0(char*, 3))) {
1572 r = -ENOMEM;
1573 goto fail;
1574 }
c952c6ec 1575
2105e76a
LP		 1576 if (set_notify_socket)
1577 if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) {
c952c6ec
LP		 1578 r = -ENOMEM;
1579 goto fail;
1580 }
1581
2105e76a
LP		 1582 if (s->main_pid > 0)
1583 if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) {
c952c6ec
LP		 1584 r = -ENOMEM;
1585 goto fail;
1586 }
2105e76a
LP		 1587
1588 if (!(final_env = strv_env_merge(2,
1589 s->meta.manager->environment,
1590 our_env,
1591 NULL))) {
1592 r = -ENOMEM;
1593 goto fail;
1594 }
c952c6ec 1595
9e2f7c11
LP		 1596 r = exec_spawn(c,
1597 argv,
1598 &s->exec_context,
1599 fds, n_fds,
2105e76a 1600 final_env,
9e2f7c11
LP		 1601 apply_permissions,
1602 apply_chroot,
1e3ad081 1603 apply_tty_stdin,
4cd1fbcc
LP		 1604 s->meta.manager->confirm_spawn,
1605 s->meta.cgroup_bondings,
9e2f7c11
LP		 1606 &pid);
1607
9e2f7c11 1608 if (r < 0)
034c6ed7
LP		 1609 goto fail;
1610
4f2d528d 1611
87f0e418 1612 if ((r = unit_watch_pid(UNIT(s), pid)) < 0)
034c6ed7
LP		 1613 /* FIXME: we need to do something here */
1614 goto fail;
1615
2105e76a
LP		 1616 free(fdsbuf);
1617 strv_free(argv);
1618 strv_free(our_env);
1619 strv_free(final_env);
1620
034c6ed7
LP		 1621 *_pid = pid;
1622
5cb5a6ff 1623 return 0;
034c6ed7
LP		 1624
1625fail:
2105e76a 1626 free(fdsbuf);
c952c6ec 1627 strv_free(argv);
2105e76a
LP		 1628 strv_free(our_env);
1629 strv_free(final_env);
c952c6ec 1630
034c6ed7 1631 if (timeout)
acbb0225 1632 unit_unwatch_timer(UNIT(s), &s->timer_watch);
034c6ed7
LP		 1633
1634 return r;
1635}
1636
80876c20
LP		 1637static int main_pid_good(Service *s) {
1638 assert(s);
1639
1640 /* Returns 0 if the pid is dead, 1 if it is good, -1 if we
1641 * don't know */
1642
1643 /* If we know the pid file, then lets just check if it is
1644 * still valid */
1645 if (s->main_pid_known)
1646 return s->main_pid > 0;
1647
1648 /* We don't know the pid */
1649 return -EAGAIN;
1650}
1651
1652static int control_pid_good(Service *s) {
1653 assert(s);
1654
1655 return s->control_pid > 0;
1656}
1657
1658static int cgroup_good(Service *s) {
1659 int r;
1660
1661 assert(s);
1662
4cd1fbcc 1663 if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0)
80876c20
LP		 1664 return r;
1665
1666 return !r;
1667}
1668
034c6ed7
LP		 1669static void service_enter_dead(Service *s, bool success, bool allow_restart) {
1670 int r;
1671 assert(s);
1672
1673 if (!success)
1674 s->failure = true;
1675
1676 if (allow_restart &&
47342320 1677 !s->forbid_restart &&
034c6ed7 1678 (s->restart == SERVICE_RESTART_ALWAYS ||
50caaedb
LP		 1679 (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) ||
1680 (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) ||
1681 (s->restart == SERVICE_RESTART_ON_ABORT && s->failure &&
1682 (s->main_exec_status.code == CLD_KILLED ||
1683 s->main_exec_status.code == CLD_DUMPED)))) {
034c6ed7 1684
acbb0225 1685 if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0)
034c6ed7
LP		 1686 goto fail;
1687
1688 service_set_state(s, SERVICE_AUTO_RESTART);
1689 } else
fdf20a31 1690 service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD);
034c6ed7 1691
47342320
LP		 1692 s->forbid_restart = false;
1693
034c6ed7
LP		 1694 return;
1695
1696fail:
4cd1fbcc 1697 log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1698 service_enter_dead(s, false, false);
1699}
1700
1701static void service_enter_signal(Service *s, ServiceState state, bool success);
1702
1703static void service_enter_stop_post(Service *s, bool success) {
1704 int r;
1705 assert(s);
1706
1707 if (!success)
1708 s->failure = true;
1709
5e94833f
LP		 1710 service_unwatch_control_pid(s);
1711
a16e1123 1712 s->control_command_id = SERVICE_EXEC_STOP_POST;
80876c20 1713 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) {
81a2b7ce
LP		 1714 if ((r = service_spawn(s,
1715 s->control_command,
1716 true,
1717 false,
1718 !s->permissions_start_only,
1719 !s->root_directory_start_only,
1e3ad081 1720 true,
c952c6ec 1721 false,
81a2b7ce 1722 &s->control_pid)) < 0)
034c6ed7
LP		 1723 goto fail;
1724
d6ea93e3 1725
80876c20
LP		 1726 service_set_state(s, SERVICE_STOP_POST);
1727 } else
1728 service_enter_signal(s, SERVICE_FINAL_SIGTERM, true);
034c6ed7
LP		 1729
1730 return;
1731
1732fail:
4cd1fbcc 1733 log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1734 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
1735}
1736
1737static void service_enter_signal(Service *s, ServiceState state, bool success) {
1738 int r;
ca949c9d
LP		 1739 Set *pid_set = NULL;
1740 bool wait_for_exit = false;
034c6ed7
LP		 1741
1742 assert(s);
1743
1744 if (!success)
1745 s->failure = true;
1746
2e22afe9
LP		 1747 if (s->exec_context.kill_mode != KILL_NONE) {
1748 int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL;
034c6ed7 1749
ca949c9d
LP		 1750 if (s->main_pid > 0) {
1751 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1752 -s->main_pid :
1753 s->main_pid, sig) < 0 && errno != ESRCH)
034c6ed7 1754
ca949c9d
LP		 1755 log_warning("Failed to kill main process %li: %m", (long) s->main_pid);
1756 else
1757 wait_for_exit = true;
034c6ed7
LP		 1758 }
1759
ca949c9d
LP		 1760 if (s->control_pid > 0) {
1761 if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ?
1762 -s->control_pid :
1763 s->control_pid, sig) < 0 && errno != ESRCH)
80876c20 1764
ca949c9d
LP		 1765 log_warning("Failed to kill control process %li: %m", (long) s->control_pid);
1766 else
1767 wait_for_exit = true;
1768 }
50159e6a 1769
ca949c9d 1770 if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) {
50159e6a 1771
ca949c9d
LP		 1772 if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) {
1773 r = -ENOMEM;
50159e6a 1774 goto fail;
ca949c9d
LP		 1775 }
1776
1777 /* Exclude the main/control pids from being killed via the cgroup */
1778 if (s->main_pid > 0)
1779 if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0)
1780 goto fail;
1781
1782 if (s->control_pid > 0)
1783 if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0)
1784 goto fail;
1785
1786 if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) {
1787 if (r != -EAGAIN && r != -ESRCH && r != -ENOENT)
1788 log_warning("Failed to kill control group: %s", strerror(-r));
f5a50114 1789 } else if (r > 0)
ca949c9d
LP		 1790 wait_for_exit = true;
1791
1792 set_free(pid_set);
50159e6a 1793 }
d6ea93e3 1794 }
034c6ed7 1795
ca949c9d 1796 if (wait_for_exit) {
e558336f
LP		 1797 if (s->timeout_usec > 0)
1798 if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0)
1799 goto fail;
d6ea93e3 1800
80876c20
LP		 1801 service_set_state(s, state);
1802 } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
1803 service_enter_stop_post(s, true);
1804 else
034c6ed7
LP		 1805 service_enter_dead(s, true, true);
1806
1807 return;
1808
1809fail:
4cd1fbcc 1810 log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r));
034c6ed7 1811
80876c20 1812 if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL)
034c6ed7
LP		 1813 service_enter_stop_post(s, false);
1814 else
1815 service_enter_dead(s, false, true);
ca949c9d
LP		 1816
1817 if (pid_set)
1818 set_free(pid_set);
034c6ed7
LP		 1819}
1820
1821static void service_enter_stop(Service *s, bool success) {
1822 int r;
5925dd3c 1823
034c6ed7
LP		 1824 assert(s);
1825
1826 if (!success)
1827 s->failure = true;
1828
5e94833f
LP		 1829 service_unwatch_control_pid(s);
1830
a16e1123 1831 s->control_command_id = SERVICE_EXEC_STOP;
80876c20 1832 if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) {
81a2b7ce
LP		 1833 if ((r = service_spawn(s,
1834 s->control_command,
1835 true,
1836 false,
1837 !s->permissions_start_only,
1838 !s->root_directory_start_only,
c952c6ec 1839 false,
1e3ad081 1840 false,
e55224ca 1841 &s->control_pid)) < 0)
034c6ed7
LP		 1842 goto fail;
1843
80876c20
LP		 1844 service_set_state(s, SERVICE_STOP);
1845 } else
034c6ed7
LP		 1846 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
1847
1848 return;
1849
1850fail:
4cd1fbcc 1851 log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1852 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
1853}
1854
80876c20 1855static void service_enter_running(Service *s, bool success) {
4eab639f 1856 int main_pid_ok, cgroup_ok;
80876c20
LP		 1857 assert(s);
1858
1859 if (!success)
1860 s->failure = true;
1861
4eab639f
LP		 1862 main_pid_ok = main_pid_good(s);
1863 cgroup_ok = cgroup_good(s);
1864
1865 if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) &&
05e343b7 1866 (s->bus_name_good || s->type != SERVICE_DBUS))
80876c20 1867 service_set_state(s, SERVICE_RUNNING);
02ee865a 1868 else if (s->remain_after_exit)
80876c20
LP		 1869 service_set_state(s, SERVICE_EXITED);
1870 else
1871 service_enter_stop(s, true);
1872}
1873
034c6ed7
LP		 1874static void service_enter_start_post(Service *s) {
1875 int r;
1876 assert(s);
1877
5e94833f
LP		 1878 service_unwatch_control_pid(s);
1879
a16e1123 1880 s->control_command_id = SERVICE_EXEC_START_POST;
80876c20 1881 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) {
81a2b7ce
LP		 1882 if ((r = service_spawn(s,
1883 s->control_command,
1884 true,
1885 false,
1886 !s->permissions_start_only,
1887 !s->root_directory_start_only,
c952c6ec 1888 false,
1e3ad081 1889 false,
e55224ca 1890 &s->control_pid)) < 0)
034c6ed7
LP		 1891 goto fail;
1892
80876c20
LP		 1893 service_set_state(s, SERVICE_START_POST);
1894 } else
1895 service_enter_running(s, true);
034c6ed7
LP		 1896
1897 return;
1898
1899fail:
4cd1fbcc 1900 log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1901 service_enter_stop(s, false);
1902}
1903
1904static void service_enter_start(Service *s) {
1905 pid_t pid;
1906 int r;
1907
1908 assert(s);
1909
1910 assert(s->exec_command[SERVICE_EXEC_START]);
34e9ba66 1911 assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT);
034c6ed7 1912
80876c20
LP		 1913 if (s->type == SERVICE_FORKING)
1914 service_unwatch_control_pid(s);
1915 else
1916 service_unwatch_main_pid(s);
1917
34e9ba66
LP		 1918 s->control_command_id = SERVICE_EXEC_START;
1919 s->control_command = s->exec_command[SERVICE_EXEC_START];
1920
81a2b7ce 1921 if ((r = service_spawn(s,
34e9ba66 1922 s->control_command,
8c47c732 1923 s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY,
81a2b7ce
LP		 1924 true,
1925 true,
1926 true,
1e3ad081 1927 true,
c952c6ec 1928 s->notify_access != NOTIFY_NONE,
81a2b7ce 1929 &pid)) < 0)
034c6ed7
LP		 1930 goto fail;
1931
1932 if (s->type == SERVICE_SIMPLE) {
1933 /* For simple services we immediately start
1934 * the START_POST binaries. */
1935
5925dd3c 1936 service_set_main_pid(s, pid);
034c6ed7
LP		 1937 service_enter_start_post(s);
1938
1939 } else if (s->type == SERVICE_FORKING) {
1940
1941 /* For forking services we wait until the start
1942 * process exited. */
1943
e55224ca 1944 s->control_pid = pid;
80876c20
LP		 1945 service_set_state(s, SERVICE_START);
1946
34e9ba66 1947 } else if (s->type == SERVICE_ONESHOT ||
8c47c732
LP		 1948 s->type == SERVICE_DBUS ||
1949 s->type == SERVICE_NOTIFY) {
7d55e835 1950
34e9ba66 1951 /* For oneshot services we wait until the start
7d55e835
LP		 1952 * process exited, too, but it is our main process. */
1953
05e343b7 1954 /* For D-Bus services we know the main pid right away,
8c47c732
LP		 1955 * but wait for the bus name to appear on the
1956 * bus. Notify services are similar. */
05e343b7 1957
5925dd3c 1958 service_set_main_pid(s, pid);
80876c20 1959 service_set_state(s, SERVICE_START);
034c6ed7
LP		 1960 } else
1961 assert_not_reached("Unknown service type");
1962
1963 return;
1964
1965fail:
4cd1fbcc 1966 log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r));
80876c20 1967 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 1968}
1969
1970static void service_enter_start_pre(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_START_PRE;
80876c20 1978 if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) {
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,
1e3ad081 1985 true,
c952c6ec 1986 false,
e55224ca 1987 &s->control_pid)) < 0)
034c6ed7
LP		 1988 goto fail;
1989
80876c20
LP		 1990 service_set_state(s, SERVICE_START_PRE);
1991 } else
034c6ed7
LP		 1992 service_enter_start(s);
1993
1994 return;
1995
1996fail:
4cd1fbcc 1997 log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 1998 service_enter_dead(s, false, true);
1999}
2000
2001static void service_enter_restart(Service *s) {
2002 int r;
398ef8ba
LP		 2003 DBusError error;
2004
034c6ed7 2005 assert(s);
398ef8ba 2006 dbus_error_init(&error);
034c6ed7 2007
9ea9a0c8
LP		 2008 service_enter_dead(s, true, false);
2009
7b2603e6 2010 if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0)
034c6ed7
LP		 2011 goto fail;
2012
4cd1fbcc 2013 log_debug("%s scheduled restart job.", s->meta.id);
034c6ed7
LP		 2014 return;
2015
2016fail:
398ef8ba 2017 log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r));
034c6ed7 2018 service_enter_dead(s, false, false);
398ef8ba
LP		 2019
2020 dbus_error_free(&error);
034c6ed7
LP		 2021}
2022
2023static void service_enter_reload(Service *s) {
2024 int r;
2025
2026 assert(s);
2027
5e94833f
LP		 2028 service_unwatch_control_pid(s);
2029
a16e1123 2030 s->control_command_id = SERVICE_EXEC_RELOAD;
80876c20 2031 if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) {
81a2b7ce
LP		 2032 if ((r = service_spawn(s,
2033 s->control_command,
2034 true,
2035 false,
2036 !s->permissions_start_only,
2037 !s->root_directory_start_only,
c952c6ec 2038 false,
1e3ad081 2039 false,
e55224ca 2040 &s->control_pid)) < 0)
034c6ed7
LP		 2041 goto fail;
2042
80876c20
LP		 2043 service_set_state(s, SERVICE_RELOAD);
2044 } else
2045 service_enter_running(s, true);
034c6ed7
LP		 2046
2047 return;
2048
2049fail:
4cd1fbcc 2050 log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r));
034c6ed7
LP		 2051 service_enter_stop(s, false);
2052}
2053
34e9ba66 2054static void service_run_next_control(Service *s, bool success) {
034c6ed7
LP		 2055 int r;
2056
2057 assert(s);
2058 assert(s->control_command);
2059 assert(s->control_command->command_next);
2060
2061 if (!success)
2062 s->failure = true;
2063
34e9ba66 2064 assert(s->control_command_id != SERVICE_EXEC_START);
034c6ed7 2065
34e9ba66 2066 s->control_command = s->control_command->command_next;
5e94833f
LP		 2067 service_unwatch_control_pid(s);
2068
81a2b7ce
LP		 2069 if ((r = service_spawn(s,
2070 s->control_command,
2071 true,
2072 false,
2073 !s->permissions_start_only,
2074 !s->root_directory_start_only,
5830833f
LP		 2075 s->control_command_id == SERVICE_EXEC_START_PRE ||
2076 s->control_command_id == SERVICE_EXEC_STOP_POST,
1e3ad081 2077 false,
e55224ca 2078 &s->control_pid)) < 0)
034c6ed7
LP		 2079 goto fail;
2080
2081 return;
2082
2083fail:
34e9ba66 2084 log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r));
034c6ed7 2085
80876c20
LP		 2086 if (s->state == SERVICE_START_PRE)
2087 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2088 else if (s->state == SERVICE_STOP)
2089 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
034c6ed7
LP		 2090 else if (s->state == SERVICE_STOP_POST)
2091 service_enter_dead(s, false, true);
2092 else
2093 service_enter_stop(s, false);
5cb5a6ff
LP		 2094}
2095
34e9ba66
LP		 2096static void service_run_next_main(Service *s, bool success) {
2097 pid_t pid;
2098 int r;
2099
2100 assert(s);
2101 assert(s->control_command);
2102 assert(s->control_command->command_next);
2103
2104 if (!success)
2105 s->failure = true;
2106
2107 assert(s->control_command_id == SERVICE_EXEC_START);
2108 assert(s->type == SERVICE_ONESHOT);
2109
2110 s->control_command = s->control_command->command_next;
2111 service_unwatch_main_pid(s);
2112
2113 if ((r = service_spawn(s,
2114 s->control_command,
2115 false,
2116 true,
2117 true,
2118 true,
2119 true,
2120 s->notify_access != NOTIFY_NONE,
2121 &pid)) < 0)
2122 goto fail;
2123
2124 service_set_main_pid(s, pid);
2125
2126 return;
2127
2128fail:
2129 log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r));
2130 service_enter_stop(s, false);
2131}
2132
87f0e418
LP		 2133static int service_start(Unit *u) {
2134 Service *s = SERVICE(u);
5cb5a6ff
LP		 2135
2136 assert(s);
2137
034c6ed7
LP		 2138 /* We cannot fulfill this request right now, try again later
2139 * please! */
2140 if (s->state == SERVICE_STOP ||
2141 s->state == SERVICE_STOP_SIGTERM ||
2142 s->state == SERVICE_STOP_SIGKILL ||
2143 s->state == SERVICE_STOP_POST ||
2144 s->state == SERVICE_FINAL_SIGTERM ||
2145 s->state == SERVICE_FINAL_SIGKILL)
5cb5a6ff
LP		 2146 return -EAGAIN;
2147
034c6ed7
LP		 2148 /* Already on it! */
2149 if (s->state == SERVICE_START_PRE ||
2150 s->state == SERVICE_START ||
2151 s->state == SERVICE_START_POST)
2152 return 0;
2153
fdf20a31 2154 assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART);
5cb5a6ff 2155
1e2e8133
LP		 2156 /* Make sure we don't enter a busy loop of some kind. */
2157 if (!ratelimit_test(&s->ratelimit)) {
9e2f7c11 2158 log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id);
d5159713 2159 return -ECANCELED;
1e2e8133
LP		 2160 }
2161
034c6ed7
LP		 2162 s->failure = false;
2163 s->main_pid_known = false;
47342320 2164 s->forbid_restart = false;
034c6ed7
LP		 2165
2166 service_enter_start_pre(s);
2167 return 0;
5cb5a6ff
LP		 2168}
2169
87f0e418
LP		 2170static int service_stop(Unit *u) {
2171 Service *s = SERVICE(u);
5cb5a6ff
LP		 2172
2173 assert(s);
2174
3f6c78dc
LP		 2175 /* This is a user request, so don't do restarts on this
2176 * shutdown. */
47342320 2177 s->forbid_restart = true;
034c6ed7 2178
e537352b
LP		 2179 /* Already on it */
2180 if (s->state == SERVICE_STOP ||
2181 s->state == SERVICE_STOP_SIGTERM ||
2182 s->state == SERVICE_STOP_SIGKILL ||
2183 s->state == SERVICE_STOP_POST ||
2184 s->state == SERVICE_FINAL_SIGTERM ||
2185 s->state == SERVICE_FINAL_SIGKILL)
2186 return 0;
2187
3f6c78dc 2188 /* Don't allow a restart */
034c6ed7
LP		 2189 if (s->state == SERVICE_AUTO_RESTART) {
2190 service_set_state(s, SERVICE_DEAD);
2191 return 0;
2192 }
2193
3f6c78dc
LP		 2194 /* If there's already something running we go directly into
2195 * kill mode. */
2196 if (s->state == SERVICE_START_PRE ||
2197 s->state == SERVICE_START ||
2198 s->state == SERVICE_START_POST ||
2199 s->state == SERVICE_RELOAD) {
2200 service_enter_signal(s, SERVICE_STOP_SIGTERM, true);
2201 return 0;
2202 }
5cb5a6ff 2203
3f6c78dc
LP		 2204 assert(s->state == SERVICE_RUNNING ||
2205 s->state == SERVICE_EXITED);
3a762661 2206
034c6ed7 2207 service_enter_stop(s, true);
5cb5a6ff
LP		 2208 return 0;
2209}
2210
87f0e418
LP		 2211static int service_reload(Unit *u) {
2212 Service *s = SERVICE(u);
034c6ed7
LP		 2213
2214 assert(s);
2215
80876c20 2216 assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED);
034c6ed7
LP		 2217
2218 service_enter_reload(s);
5cb5a6ff
LP		 2219 return 0;
2220}
2221
87f0e418
LP		 2222static bool service_can_reload(Unit *u) {
2223 Service *s = SERVICE(u);
034c6ed7
LP		 2224
2225 assert(s);
2226
2227 return !!s->exec_command[SERVICE_EXEC_RELOAD];
2228}
2229
a16e1123
LP		 2230static int service_serialize(Unit *u, FILE *f, FDSet *fds) {
2231 Service *s = SERVICE(u);
2232
2233 assert(u);
2234 assert(f);
2235 assert(fds);
2236
2237 unit_serialize_item(u, f, "state", service_state_to_string(s->state));
2238 unit_serialize_item(u, f, "failure", yes_no(s->failure));
2239
2240 if (s->control_pid > 0)
5925dd3c 2241 unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid);
a16e1123 2242
5925dd3c
LP		 2243 if (s->main_pid_known && s->main_pid > 0)
2244 unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid);
a16e1123
LP		 2245
2246 unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known));
2247
3a2776bc
LP		 2248 if (s->status_text)
2249 unit_serialize_item(u, f, "status-text", s->status_text);
2250
a16e1123
LP		 2251 /* There's a minor uncleanliness here: if there are multiple
2252 * commands attached here, we will start from the first one
2253 * again */
2254 if (s->control_command_id >= 0)
825636e5 2255 unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id));
a16e1123
LP		 2256
2257 if (s->socket_fd >= 0) {
2258 int copy;
2259
2260 if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0)
2261 return copy;
2262
2263 unit_serialize_item_format(u, f, "socket-fd", "%i", copy);
2264 }
2265
ecdbca40
LP		 2266 if (s->main_exec_status.pid > 0) {
2267 unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid);
2268
2269 if (s->main_exec_status.start_timestamp.realtime > 0) {
2270 unit_serialize_item_format(u, f, "main-exec-status-start-realtime",
2271 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.realtime);
2272
2273 unit_serialize_item_format(u, f, "main-exec-status-start-monotonic",
2274 "%llu", (unsigned long long) s->main_exec_status.start_timestamp.monotonic);
2275 }
2276
2277 if (s->main_exec_status.exit_timestamp.realtime > 0) {
2278 unit_serialize_item_format(u, f, "main-exec-status-exit-realtime",
2279 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.realtime);
2280 unit_serialize_item_format(u, f, "main-exec-status-exit-monotonic",
2281 "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.monotonic);
2282
2283 unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code);
2284 unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status);
2285 }
2286 }
2287
a16e1123
LP		 2288 return 0;
2289}
2290
2291static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {
2292 Service *s = SERVICE(u);
a16e1123
LP		 2293
2294 assert(u);
2295 assert(key);
2296 assert(value);
2297 assert(fds);
2298
2299 if (streq(key, "state")) {
2300 ServiceState state;
2301
2302 if ((state = service_state_from_string(value)) < 0)
2303 log_debug("Failed to parse state value %s", value);
2304 else
2305 s->deserialized_state = state;
2306 } else if (streq(key, "failure")) {
2307 int b;
2308
2309 if ((b = parse_boolean(value)) < 0)
2310 log_debug("Failed to parse failure value %s", value);
2311 else
2312 s->failure = b || s->failure;
2313 } else if (streq(key, "control-pid")) {
5925dd3c 2314 pid_t pid;
a16e1123 2315
e364ad06 2316 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2317 log_debug("Failed to parse control-pid value %s", value);
2318 else
e55224ca 2319 s->control_pid = pid;
a16e1123 2320 } else if (streq(key, "main-pid")) {
5925dd3c 2321 pid_t pid;
a16e1123 2322
e364ad06 2323 if (parse_pid(value, &pid) < 0)
a16e1123
LP		 2324 log_debug("Failed to parse main-pid value %s", value);
2325 else
5925dd3c 2326 service_set_main_pid(s, (pid_t) pid);
a16e1123
LP		 2327 } else if (streq(key, "main-pid-known")) {
2328 int b;
2329
2330 if ((b = parse_boolean(value)) < 0)
2331 log_debug("Failed to parse main-pid-known value %s", value);
2332 else
2333 s->main_pid_known = b;
3a2776bc
LP		 2334 } else if (streq(key, "status-text")) {
2335 char *t;
2336
2337 if ((t = strdup(value))) {
2338 free(s->status_text);
2339 s->status_text = t;
2340 }
2341
a16e1123
LP		 2342 } else if (streq(key, "control-command")) {
2343 ServiceExecCommand id;
2344
2345 if ((id = service_exec_command_from_string(value)) < 0)
2346 log_debug("Failed to parse exec-command value %s", value);
2347 else {
2348 s->control_command_id = id;
2349 s->control_command = s->exec_command[id];
2350 }
2351 } else if (streq(key, "socket-fd")) {
2352 int fd;
2353
2354 if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))
2355 log_debug("Failed to parse socket-fd value %s", value);
2356 else {
2357
2358 if (s->socket_fd >= 0)
2359 close_nointr_nofail(s->socket_fd);
2360 s->socket_fd = fdset_remove(fds, fd);
2361 }
ecdbca40
LP		 2362 } else if (streq(key, "main-exec-status-pid")) {
2363 pid_t pid;
2364
e364ad06 2365 if (parse_pid(value, &pid) < 0)
ecdbca40
LP		 2366 log_debug("Failed to parse main-exec-status-pid value %s", value);
2367 else
2368 s->main_exec_status.pid = pid;
2369 } else if (streq(key, "main-exec-status-code")) {
2370 int i;
2371
e364ad06 2372 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2373 log_debug("Failed to parse main-exec-status-code value %s", value);
2374 else
2375 s->main_exec_status.code = i;
2376 } else if (streq(key, "main-exec-status-status")) {
2377 int i;
2378
e364ad06 2379 if (safe_atoi(value, &i) < 0)
ecdbca40
LP		 2380 log_debug("Failed to parse main-exec-status-status value %s", value);
2381 else
2382 s->main_exec_status.status = i;
2383 } else if (streq(key, "main-exec-status-start-realtime")) {
2384 uint64_t k;
2385
e364ad06 2386 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2387 log_debug("Failed to parse main-exec-status-start-realtime value %s", value);
2388 else
2389 s->main_exec_status.start_timestamp.realtime = (usec_t) k;
2390 } else if (streq(key, "main-exec-status-start-monotonic")) {
2391 uint64_t k;
2392
e364ad06 2393 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2394 log_debug("Failed to parse main-exec-status-start-monotonic value %s", value);
2395 else
2396 s->main_exec_status.start_timestamp.monotonic = (usec_t) k;
2397 } else if (streq(key, "main-exec-status-exit-realtime")) {
2398 uint64_t k;
2399
e364ad06 2400 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2401 log_debug("Failed to parse main-exec-status-exit-realtime value %s", value);
2402 else
2403 s->main_exec_status.exit_timestamp.realtime = (usec_t) k;
2404 } else if (streq(key, "main-exec-status-exit-monotonic")) {
2405 uint64_t k;
2406
e364ad06 2407 if (safe_atou64(value, &k) < 0)
ecdbca40
LP		 2408 log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value);
2409 else
2410 s->main_exec_status.exit_timestamp.monotonic = (usec_t) k;
a16e1123
LP		 2411 } else
2412 log_debug("Unknown serialization key '%s'", key);
2413
2414 return 0;
2415}
2416
87f0e418
LP		 2417static UnitActiveState service_active_state(Unit *u) {
2418 assert(u);
5cb5a6ff 2419
acbb0225 2420 return state_translation_table[SERVICE(u)->state];
034c6ed7
LP		 2421}
2422
10a94420
LP		 2423static const char *service_sub_state_to_string(Unit *u) {
2424 assert(u);
2425
2426 return service_state_to_string(SERVICE(u)->state);
2427}
2428
07459bb6 2429#ifdef HAVE_SYSV_COMPAT
701cc384
LP		 2430static bool service_check_gc(Unit *u) {
2431 Service *s = SERVICE(u);
2432
2433 assert(s);
2434
2435 return !!s->sysv_path;
2436}
07459bb6 2437#endif
701cc384
LP		 2438
2439static bool service_check_snapshot(Unit *u) {
2440 Service *s = SERVICE(u);
2441
2442 assert(s);
2443
2444 return !s->got_socket_fd;
2445}
2446
87f0e418
LP		 2447static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) {
2448 Service *s = SERVICE(u);
034c6ed7 2449 bool success;
5cb5a6ff
LP		 2450
2451 assert(s);
034c6ed7
LP		 2452 assert(pid >= 0);
2453
f21781d5 2454 if (!s->meta.fragment_path)
d06dacd0
LP		 2455 success = is_clean_exit_lsb(code, status);
2456 else
2457 success = is_clean_exit(code, status);
034c6ed7
LP		 2458
2459 if (s->main_pid == pid) {
2460
034c6ed7 2461 s->main_pid = 0;
169c1bda 2462 exec_status_exit(&s->main_exec_status, pid, code, status, s->exec_context.utmp_id);
034c6ed7 2463
34e9ba66
LP		 2464 if (s->type != SERVICE_FORKING && s->control_command) {
2465 s->control_command->exec_status = s->main_exec_status;
b708e7ce 2466
34e9ba66 2467 if (s->control_command->ignore)
b708e7ce 2468 success = true;
034c6ed7
LP		 2469 }
2470
92abbefb
LP		 2471 log_full(success ? LOG_DEBUG : LOG_NOTICE,
2472 "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2473 s->failure = s->failure || !success;
034c6ed7 2474
34e9ba66
LP		 2475 if (s->control_command &&
2476 s->control_command->command_next &&
2477 success) {
034c6ed7 2478
34e9ba66
LP		 2479 /* There is another command to *
2480 * execute, so let's do that. */
034c6ed7 2481
34e9ba66
LP		 2482 log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state));
2483 service_run_next_main(s, success);
034c6ed7 2484
34e9ba66
LP		 2485 } else {
2486
2487 /* The service exited, so the service is officially
2488 * gone. */
2489
2490 s->control_command = NULL;
2491 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2492
2493 switch (s->state) {
2494
2495 case SERVICE_START_POST:
2496 case SERVICE_RELOAD:
2497 case SERVICE_STOP:
2498 /* Need to wait until the operation is
2499 * done */
c4653a4d 2500 break;
7d55e835 2501
34e9ba66
LP		 2502 case SERVICE_START:
2503 if (s->type == SERVICE_ONESHOT) {
2504 /* This was our main goal, so let's go on */
2505 if (success)
2506 service_enter_start_post(s);
2507 else
2508 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2509 break;
2510 } else {
2511 assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY);
7d55e835 2512
34e9ba66
LP		 2513 /* Fall through */
2514 }
034c6ed7 2515
34e9ba66
LP		 2516 case SERVICE_RUNNING:
2517 service_enter_running(s, success);
2518 break;
034c6ed7 2519
34e9ba66
LP		 2520 case SERVICE_STOP_SIGTERM:
2521 case SERVICE_STOP_SIGKILL:
5cb5a6ff 2522
34e9ba66
LP		 2523 if (!control_pid_good(s))
2524 service_enter_stop_post(s, success);
5cb5a6ff 2525
34e9ba66
LP		 2526 /* If there is still a control process, wait for that first */
2527 break;
2528
2529 default:
2530 assert_not_reached("Uh, main process died at wrong time.");
2531 }
034c6ed7 2532 }
5cb5a6ff 2533
034c6ed7 2534 } else if (s->control_pid == pid) {
034c6ed7 2535
34e9ba66
LP		 2536 s->control_pid = 0;
2537
b708e7ce 2538 if (s->control_command) {
169c1bda 2539 exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id);
a16e1123 2540
b708e7ce
LP		 2541 if (s->control_command->ignore)
2542 success = true;
2543 }
2544
34e9ba66 2545 log_full(success ? LOG_DEBUG : LOG_NOTICE,
92abbefb 2546 "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status);
b708e7ce 2547 s->failure = s->failure || !success;
034c6ed7 2548
34e9ba66
LP		 2549 if (s->control_command &&
2550 s->control_command->command_next &&
2551 success) {
034c6ed7
LP		 2552
2553 /* There is another command to *
2554 * execute, so let's do that. */
2555
34e9ba66
LP		 2556 log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state));
2557 service_run_next_control(s, success);
034c6ed7 2558
80876c20 2559 } else {
034c6ed7
LP		 2560 /* No further commands for this step, so let's
2561 * figure out what to do next */
2562
a16e1123
LP		 2563 s->control_command = NULL;
2564 s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
2565
9e2f7c11 2566 log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state));
bd982a8b 2567
034c6ed7
LP		 2568 switch (s->state) {
2569
2570 case SERVICE_START_PRE:
2571 if (success)
2572 service_enter_start(s);
2573 else
80876c20 2574 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2575 break;
2576
2577 case SERVICE_START:
2578 assert(s->type == SERVICE_FORKING);
2579
2580 /* Let's try to load the pid
2581 * file here if we can. We
2582 * ignore the return value,
2583 * since the PID file might
2584 * actually be created by a
2585 * START_POST script */
2586
2587 if (success) {
2588 if (s->pid_file)
2589 service_load_pid_file(s);
2590
2591 service_enter_start_post(s);
2592 } else
80876c20 2593 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
034c6ed7
LP		 2594
2595 break;
2596
2597 case SERVICE_START_POST:
2598 if (success && s->pid_file && !s->main_pid_known) {
2599 int r;
2600
2601 /* Hmm, let's see if we can
2602 * load the pid now after the
2603 * start-post scripts got
2604 * executed. */
2605
2606 if ((r = service_load_pid_file(s)) < 0)
4cd1fbcc 2607 log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r));
034c6ed7
LP		 2608 }
2609
2610 /* Fall through */
2611
2612 case SERVICE_RELOAD:
80876c20
LP		 2613 if (success)
2614 service_enter_running(s, true);
2615 else
034c6ed7
LP		 2616 service_enter_stop(s, false);
2617
2618 break;
2619
2620 case SERVICE_STOP:
80876c20 2621 service_enter_signal(s, SERVICE_STOP_SIGTERM, success);
034c6ed7
LP		 2622 break;
2623
2624 case SERVICE_STOP_SIGTERM:
2625 case SERVICE_STOP_SIGKILL:
2626 if (main_pid_good(s) <= 0)
2627 service_enter_stop_post(s, success);
2628
2629 /* If there is still a service
2630 * process around, wait until
2631 * that one quit, too */
2632 break;
2633
2634 case SERVICE_STOP_POST:
2635 case SERVICE_FINAL_SIGTERM:
2636 case SERVICE_FINAL_SIGKILL:
2637 service_enter_dead(s, success, true);
2638 break;
2639
2640 default:
2641 assert_not_reached("Uh, control process died at wrong time.");
2642 }
2643 }
8c47c732 2644 }
c4e2ceae
LP		 2645
2646 /* Notify clients about changed exit status */
2647 unit_add_to_dbus_queue(u);
034c6ed7
LP		 2648}
2649
acbb0225 2650static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) {
87f0e418 2651 Service *s = SERVICE(u);
034c6ed7
LP		 2652
2653 assert(s);
2654 assert(elapsed == 1);
2655
acbb0225 2656 assert(w == &s->timer_watch);
034c6ed7
LP		 2657
2658 switch (s->state) {
2659
2660 case SERVICE_START_PRE:
2661 case SERVICE_START:
9e2f7c11 2662 log_warning("%s operation timed out. Terminating.", u->meta.id);
80876c20
LP		 2663 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2664 break;
2665
034c6ed7
LP		 2666 case SERVICE_START_POST:
2667 case SERVICE_RELOAD:
9e2f7c11 2668 log_warning("%s operation timed out. Stopping.", u->meta.id);
034c6ed7
LP		 2669 service_enter_stop(s, false);
2670 break;
2671
2672 case SERVICE_STOP:
9e2f7c11 2673 log_warning("%s stopping timed out. Terminating.", u->meta.id);
034c6ed7
LP		 2674 service_enter_signal(s, SERVICE_STOP_SIGTERM, false);
2675 break;
2676
2677 case SERVICE_STOP_SIGTERM:
9e2f7c11 2678 log_warning("%s stopping timed out. Killing.", u->meta.id);
034c6ed7
LP		 2679 service_enter_signal(s, SERVICE_STOP_SIGKILL, false);
2680 break;
2681
2682 case SERVICE_STOP_SIGKILL:
2683 /* Uh, wie sent a SIGKILL and it is still not gone?
2684 * Must be something we cannot kill, so let's just be
2685 * weirded out and continue */
2686
9e2f7c11 2687 log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id);
034c6ed7
LP		 2688 service_enter_stop_post(s, false);
2689 break;
2690
2691 case SERVICE_STOP_POST:
9e2f7c11 2692 log_warning("%s stopping timed out (2). Terminating.", u->meta.id);
034c6ed7
LP		 2693 service_enter_signal(s, SERVICE_FINAL_SIGTERM, false);
2694 break;
2695
2696 case SERVICE_FINAL_SIGTERM:
9e2f7c11 2697 log_warning("%s stopping timed out (2). Killing.", u->meta.id);
034c6ed7
LP		 2698 service_enter_signal(s, SERVICE_FINAL_SIGKILL, false);
2699 break;
2700
2701 case SERVICE_FINAL_SIGKILL:
fdf20a31 2702 log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id);
034c6ed7
LP		 2703 service_enter_dead(s, false, true);
2704 break;
2705
2706 case SERVICE_AUTO_RESTART:
54165a39 2707 log_info("%s holdoff time over, scheduling restart.", u->meta.id);
034c6ed7
LP		 2708 service_enter_restart(s);
2709 break;
2710
2711 default:
2712 assert_not_reached("Timeout at wrong time.");
2713 }
5cb5a6ff
LP		 2714}
2715
8e274523
LP		 2716static void service_cgroup_notify_event(Unit *u) {
2717 Service *s = SERVICE(u);
2718
2719 assert(u);
2720
9e2f7c11 2721 log_debug("%s: cgroup is empty", u->meta.id);
8e274523
LP		 2722
2723 switch (s->state) {
2724
2725 /* Waiting for SIGCHLD is usually more interesting,
2726 * because it includes return codes/signals. Which is
2727 * why we ignore the cgroup events for most cases,
2728 * except when we don't know pid which to expect the
2729 * SIGCHLD for. */
2730
2731 case SERVICE_RUNNING:
80876c20 2732 service_enter_running(s, true);
8e274523
LP		 2733 break;
2734
28708d8a
LP		 2735 case SERVICE_STOP_SIGTERM:
2736 case SERVICE_STOP_SIGKILL:
2737 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2738 service_enter_stop_post(s, true);
2739
2740 break;
2741
7f97f0fe
LP		 2742 case SERVICE_FINAL_SIGTERM:
2743 case SERVICE_FINAL_SIGKILL:
2744 if (main_pid_good(s) <= 0 && !control_pid_good(s))
2745 service_enter_dead(s, true, true);
2746
2747 break;
2748
8e274523
LP		 2749 default:
2750 ;
2751 }
2752}
2753
c952c6ec 2754static void service_notify_message(Unit *u, pid_t pid, char **tags) {
8c47c732
LP		 2755 Service *s = SERVICE(u);
2756 const char *e;
2757
2758 assert(u);
2759
c952c6ec
LP		 2760 if (s->notify_access == NOTIFY_NONE) {
2761 log_warning("%s: Got notification message from PID %lu, but reception is disabled.",
2762 u->meta.id, (unsigned long) pid);
2763 return;
2764 }
2765
2766 if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
2767 log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu",
2768 u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid);
2769 return;
2770 }
2771
8c47c732
LP		 2772 log_debug("%s: Got message", u->meta.id);
2773
2774 /* Interpret MAINPID= */
2775 if ((e = strv_find_prefix(tags, "MAINPID=")) &&
2776 (s->state == SERVICE_START ||
2777 s->state == SERVICE_START_POST ||
2778 s->state == SERVICE_RUNNING ||
2779 s->state == SERVICE_RELOAD)) {
8c47c732 2780
5925dd3c 2781 if (parse_pid(e + 8, &pid) < 0)
92abbefb 2782 log_warning("Failed to parse notification message %s", e);
8c47c732
LP		 2783 else {
2784 log_debug("%s: got %s", u->meta.id, e);
5925dd3c 2785 service_set_main_pid(s, pid);
8c47c732
LP		 2786 }
2787 }
2788
2789 /* Interpret READY= */
2790 if (s->type == SERVICE_NOTIFY &&
2791 s->state == SERVICE_START &&
2792 strv_find(tags, "READY=1")) {
2793 log_debug("%s: got READY=1", u->meta.id);
2794
2795 service_enter_start_post(s);
2796 }
2797
2798 /* Interpret STATUS= */
2799 if ((e = strv_find_prefix(tags, "STATUS="))) {
2800 char *t;
2801
3a2776bc
LP		 2802 if (e[7]) {
2803 if (!(t = strdup(e+7))) {
2804 log_error("Failed to allocate string.");
2805 return;
2806 }
2807
2808 log_debug("%s: got %s", u->meta.id, e);
8c47c732 2809
3a2776bc
LP		 2810 free(s->status_text);
2811 s->status_text = t;
2812 } else {
2813 free(s->status_text);
2814 s->status_text = NULL;
2815 }
8c47c732 2816
8c47c732 2817 }
c4e2ceae
LP		 2818
2819 /* Notify clients about changed status or main pid */
2820 unit_add_to_dbus_queue(u);
8c47c732
LP		 2821}
2822
07459bb6 2823#ifdef HAVE_SYSV_COMPAT
2c4104f0 2824static int service_enumerate(Manager *m) {
2c4104f0
LP		 2825 char **p;
2826 unsigned i;
2827 DIR *d = NULL;
2828 char *path = NULL, *fpath = NULL, *name = NULL;
c68364b7
LP		 2829 Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL;
2830 Unit *service;
2831 Iterator j;
2c4104f0 2832 int r;
980900c1
TG		 2833#ifdef TARGET_ARCH
2834 Unit *previous = NULL;
2835 char *arch_daemons = NULL;
2836 char *arch_daemons_stripped = NULL;
2837 char **arch_daemons_split = NULL;
2838#endif
2c4104f0
LP		 2839
2840 assert(m);
2841
980900c1
TG		 2842#ifdef TARGET_ARCH
2843 if ((r = parse_env_file("/etc/rc.conf", NEWLINE,
2844 "DAEMONS", &arch_daemons,
2845 NULL)) < 0) {
2846
2847 if (r != -ENOENT)
2848 log_warning("Failed to read /etc/rc.conf: %s", strerror(-r));
2849
2850 } else if (arch_daemons) {
2851 if (!(arch_daemons_stripped = strchr(arch_daemons, '(')))
2852 arch_daemons_stripped = arch_daemons;
2853 else
2854 arch_daemons_stripped++; /* strip start paren */
2855
2856 arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */
2857
2858 if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) {
2859 r = -ENOMEM;
2860 goto finish;
2861 }
2862
2863 STRV_FOREACH(p, arch_daemons_split) {
2864
2865 free(name);
409db002 2866 name = NULL;
980900c1
TG		 2867
2868 if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */
2869 continue;
2870
2871 if (!(name = sysv_translate_name(*p))) {
2872 r = -ENOMEM;
2873 goto finish;
2874 }
2875
2876 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
2877 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2878 continue;
2879 }
2880
2881 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0)
2882 goto finish;
2883
2884 if (previous)
2885 if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0)
2886 goto finish;
2887
2888 if (**p != '@') /* daemons prefixed with @ can be started in the background */
2889 previous = service;
2890 }
2891 }
2892#endif
2893
c68364b7
LP		 2894 zero(runlevel_services);
2895
84e3543e 2896 STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
09cd1ab1 2897 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
2c4104f0
LP		 2898 struct dirent *de;
2899
2900 free(path);
2901 path = NULL;
09cd1ab1 2902 if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) {
2c4104f0
LP		 2903 r = -ENOMEM;
2904 goto finish;
2905 }
2906
2907 if (d)
2908 closedir(d);
2909
2910 if (!(d = opendir(path))) {
2911 if (errno != ENOENT)
2912 log_warning("opendir() failed on %s: %s", path, strerror(errno));
2913
2914 continue;
2915 }
2916
2917 while ((de = readdir(d))) {
db06e3b6 2918 int a, b;
2c4104f0
LP		 2919
2920 if (ignore_file(de->d_name))
2921 continue;
2922
2923 if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
2924 continue;
2925
2926 if (strlen(de->d_name) < 4)
2927 continue;
2928
db06e3b6
LP		 2929 a = undecchar(de->d_name[1]);
2930 b = undecchar(de->d_name[2]);
2931
2932 if (a < 0 || b < 0)
2933 continue;
2934
2c4104f0
LP		 2935 free(fpath);
2936 fpath = NULL;
09cd1ab1 2937 if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) {
2c4104f0
LP		 2938 r = -ENOMEM;
2939 goto finish;
2940 }
2941
2942 if (access(fpath, X_OK) < 0) {
2943
2944 if (errno != ENOENT)
2945 log_warning("access() failed on %s: %s", fpath, strerror(errno));
2946
2947 continue;
2948 }
2949
2950 free(name);
b7ccee3c 2951 if (!(name = sysv_translate_name(de->d_name + 3))) {
2c4104f0
LP		 2952 r = -ENOMEM;
2953 goto finish;
2954 }
2955
398ef8ba 2956 if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) {
fbe9f3a9
LP		 2957 log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
2958 continue;
2959 }
2c4104f0 2960
c68364b7
LP		 2961 if (de->d_name[0] == 'S') {
2962
f73d93a4
LP		 2963 if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) {
2964 SERVICE(service)->sysv_start_priority =
2965 MAX(a*10 + b, SERVICE(service)->sysv_start_priority);
db06e3b6 2966
c68364b7 2967 SERVICE(service)->sysv_enabled = true;
f73d93a4 2968 }
db06e3b6 2969
c68364b7
LP		 2970 if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0)
2971 goto finish;
2c4104f0 2972
c68364b7 2973 if ((r = set_put(runlevel_services[i], service)) < 0)
2c4104f0 2974 goto finish;
23a177ef 2975
fc5df99e
LP		 2976 } else if (de->d_name[0] == 'K' &&
2977 (rcnd_table[i].type == RUNLEVEL_DOWN ||
2978 rcnd_table[i].type == RUNLEVEL_SYSINIT)) {
6542952f 2979
c68364b7
LP		 2980 if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0)
2981 goto finish;
2982
2983 if ((r = set_put(shutdown_services, service)) < 0)
2c4104f0
LP		 2984 goto finish;
2985 }
2986 }
2987 }
2988
c68364b7
LP		 2989 /* Now we loaded all stubs and are aware of the lowest
2990 start-up priority for all services, not let's actually load
2991 the services, this will also tell us which services are
2992 actually native now */
2993 manager_dispatch_load_queue(m);
2994
2995 /* If this is a native service, rely on native ways to pull in
2996 * a service, don't pull it in via sysv rcN.d links. */
2997 for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
2998 SET_FOREACH(service, runlevel_services[i], j) {
2999 service = unit_follow_merge(service);
3000
3001 if (service->meta.fragment_path)
3002 continue;
3003
3004 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0)
3005 goto finish;
3006 }
3007
3008 /* We honour K links only for halt/reboot. For the normal
3009 * runlevels we assume the stop jobs will be implicitly added
3010 * by the core logic. Also, we don't really distuingish here
3011 * between the runlevels 0 and 6 and just add them to the
3012 * special shutdown target. On SUSE the boot.d/ runlevel is
3013 * also used for shutdown, so we add links for that too to the
3014 * shutdown target.*/
3015 SET_FOREACH(service, shutdown_services, j) {
3016 service = unit_follow_merge(service);
3017
3018 if (service->meta.fragment_path)
3019 continue;
3020
3021 if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0)
3022 goto finish;
3023 }
3024
2c4104f0
LP		 3025 r = 0;
3026
3027finish:
3028 free(path);
3029 free(fpath);
3030 free(name);
980900c1
TG		 3031#ifdef TARGET_ARCH
3032 free(arch_daemons);
3033 free(arch_daemons_split);
3034#endif
fbe9f3a9 3035
c68364b7
LP		 3036 for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
3037 set_free(runlevel_services[i]);
3038 set_free(shutdown_services);
3039
fbe9f3a9
LP		 3040 if (d)
3041 closedir(d);
2c4104f0
LP		 3042
3043 return r;
3044}
07459bb6 3045#endif
2c4104f0 3046
05e343b7
LP		 3047static void service_bus_name_owner_change(
3048 Unit *u,
3049 const char *name,
3050 const char *old_owner,
3051 const char *new_owner) {
3052
3053 Service *s = SERVICE(u);
3054
3055 assert(s);
3056 assert(name);
3057
3058 assert(streq(s->bus_name, name));
3059 assert(old_owner || new_owner);
3060
3061 if (old_owner && new_owner)
3062 log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner);
3063 else if (old_owner)
3064 log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner);
3065 else
3066 log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner);
3067
3068 s->bus_name_good = !!new_owner;
3069
3070 if (s->type == SERVICE_DBUS) {
3071
3072 /* service_enter_running() will figure out what to
3073 * do */
3074 if (s->state == SERVICE_RUNNING)
3075 service_enter_running(s, true);
3076 else if (s->state == SERVICE_START && new_owner)
3077 service_enter_start_post(s);
3078
3079 } else if (new_owner &&
3080 s->main_pid <= 0 &&
3081 (s->state == SERVICE_START ||
3082 s->state == SERVICE_START_POST ||
3083 s->state == SERVICE_RUNNING ||
3084 s->state == SERVICE_RELOAD)) {
3085
3086 /* Try to acquire PID from bus service */
3087 log_debug("Trying to acquire PID from D-Bus name...");
3088
3089 bus_query_pid(u->meta.manager, name);
3090 }
3091}
3092
3093static void service_bus_query_pid_done(
3094 Unit *u,
3095 const char *name,
3096 pid_t pid) {
3097
3098 Service *s = SERVICE(u);
3099
3100 assert(s);
3101 assert(name);
3102
3103 log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid);
3104
3105 if (s->main_pid <= 0 &&
3106 (s->state == SERVICE_START ||
3107 s->state == SERVICE_START_POST ||
3108 s->state == SERVICE_RUNNING ||
3109 s->state == SERVICE_RELOAD))
5925dd3c 3110 service_set_main_pid(s, pid);
05e343b7
LP		 3111}
3112
6cf6bbc2 3113int service_set_socket_fd(Service *s, int fd, Socket *sock) {
4f2d528d
LP		 3114 assert(s);
3115 assert(fd >= 0);
3116
3117 /* This is called by the socket code when instantiating a new
3118 * service for a stream socket and the socket needs to be
3119 * configured. */
3120
4cd1fbcc 3121 if (s->meta.load_state != UNIT_LOADED)
4f2d528d
LP		 3122 return -EINVAL;
3123
3124 if (s->socket_fd >= 0)
3125 return -EBUSY;
3126
3127 if (s->state != SERVICE_DEAD)
3128 return -EAGAIN;
3129
3130 s->socket_fd = fd;
701cc384 3131 s->got_socket_fd = true;
f976f3f6 3132 s->accept_socket = sock;
6cf6bbc2 3133
4f2d528d
LP		 3134 return 0;
3135}
3136
fdf20a31 3137static void service_reset_failed(Unit *u) {
5632e374
LP		 3138 Service *s = SERVICE(u);
3139
3140 assert(s);
3141
fdf20a31 3142 if (s->state == SERVICE_FAILED)
5632e374
LP		 3143 service_set_state(s, SERVICE_DEAD);
3144
3145 s->failure = false;
3146}
3147
94f04347
LP		 3148static const char* const service_state_table[_SERVICE_STATE_MAX] = {
3149 [SERVICE_DEAD] = "dead",
3150 [SERVICE_START_PRE] = "start-pre",
3151 [SERVICE_START] = "start",
3152 [SERVICE_START_POST] = "start-post",
3153 [SERVICE_RUNNING] = "running",
80876c20 3154 [SERVICE_EXITED] = "exited",
94f04347
LP		 3155 [SERVICE_RELOAD] = "reload",
3156 [SERVICE_STOP] = "stop",
3157 [SERVICE_STOP_SIGTERM] = "stop-sigterm",
3158 [SERVICE_STOP_SIGKILL] = "stop-sigkill",
3159 [SERVICE_STOP_POST] = "stop-post",
3160 [SERVICE_FINAL_SIGTERM] = "final-sigterm",
3161 [SERVICE_FINAL_SIGKILL] = "final-sigkill",
fdf20a31 3162 [SERVICE_FAILED] = "failed",
94f04347
LP		 3163 [SERVICE_AUTO_RESTART] = "auto-restart",
3164};
3165
3166DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState);
3167
3168static const char* const service_restart_table[_SERVICE_RESTART_MAX] = {
525ee6f4
LP		 3169 [SERVICE_RESTART_NO] = "no",
3170 [SERVICE_RESTART_ON_SUCCESS] = "on-success",
50caaedb
LP		 3171 [SERVICE_RESTART_ON_FAILURE] = "on-failure",
3172 [SERVICE_RESTART_ON_ABORT] = "on-abort",
3173 [SERVICE_RESTART_ALWAYS] = "always"
94f04347
LP		 3174};
3175
3176DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
3177
3178static const char* const service_type_table[_SERVICE_TYPE_MAX] = {
94f04347 3179 [SERVICE_SIMPLE] = "simple",
0d624a78 3180 [SERVICE_FORKING] = "forking",
34e9ba66 3181 [SERVICE_ONESHOT] = "oneshot",
8c47c732
LP		 3182 [SERVICE_DBUS] = "dbus",
3183 [SERVICE_NOTIFY] = "notify"
94f04347
LP		 3184};
3185
3186DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType);
3187
e537352b 3188static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = {
94f04347
LP		 3189 [SERVICE_EXEC_START_PRE] = "ExecStartPre",
3190 [SERVICE_EXEC_START] = "ExecStart",
3191 [SERVICE_EXEC_START_POST] = "ExecStartPost",
3192 [SERVICE_EXEC_RELOAD] = "ExecReload",
3193 [SERVICE_EXEC_STOP] = "ExecStop",
3194 [SERVICE_EXEC_STOP_POST] = "ExecStopPost",
3195};
3196
3197DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand);
3198
c952c6ec
LP		 3199static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = {
3200 [NOTIFY_NONE] = "none",
3201 [NOTIFY_MAIN] = "main",
3202 [NOTIFY_ALL] = "all"
3203};
3204
3205DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess);
3206
87f0e418 3207const UnitVTable service_vtable = {
5cb5a6ff 3208 .suffix = ".service",
9e58ff9c 3209 .show_status = true,
5cb5a6ff 3210
034c6ed7
LP		 3211 .init = service_init,
3212 .done = service_done,
a16e1123
LP		 3213 .load = service_load,
3214
3215 .coldplug = service_coldplug,
034c6ed7 3216
5cb5a6ff
LP		 3217 .dump = service_dump,
3218
3219 .start = service_start,
3220 .stop = service_stop,
3221 .reload = service_reload,
3222
034c6ed7
LP		 3223 .can_reload = service_can_reload,
3224
a16e1123
LP		 3225 .serialize = service_serialize,
3226 .deserialize_item = service_deserialize_item,
3227
5cb5a6ff 3228 .active_state = service_active_state,
10a94420 3229 .sub_state_to_string = service_sub_state_to_string,
5cb5a6ff 3230
07459bb6 3231#ifdef HAVE_SYSV_COMPAT
701cc384 3232 .check_gc = service_check_gc,
07459bb6 3233#endif
701cc384
LP		 3234 .check_snapshot = service_check_snapshot,
3235
034c6ed7
LP		 3236 .sigchld_event = service_sigchld_event,
3237 .timer_event = service_timer_event,
2c4104f0 3238
fdf20a31 3239 .reset_failed = service_reset_failed,
5632e374 3240
8e274523 3241 .cgroup_notify_empty = service_cgroup_notify_event,
8c47c732 3242 .notify_message = service_notify_message,
8e274523 3243
05e343b7
LP		 3244 .bus_name_owner_change = service_bus_name_owner_change,
3245 .bus_query_pid_done = service_bus_query_pid_done,
3246
c4e2ceae 3247 .bus_interface = "org.freedesktop.systemd1.Service",
4139c1b2 3248 .bus_message_handler = bus_service_message_handler,
c4e2ceae 3249 .bus_invalidating_properties = bus_service_invalidating_properties,
4139c1b2 3250
07459bb6 3251#ifdef HAVE_SYSV_COMPAT
2c4104f0 3252 .enumerate = service_enumerate
07459bb6 3253#endif
5cb5a6ff 3254};
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