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Commit | Line | Data |
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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
5cb5a6ff | 26 | |
87f0e418 | 27 | #include "unit.h" |
5cb5a6ff LP |
28 | #include "service.h" |
29 | #include "load-fragment.h" | |
30 | #include "load-dropin.h" | |
034c6ed7 | 31 | #include "log.h" |
2c4104f0 | 32 | #include "strv.h" |
9e2f7c11 | 33 | #include "unit-name.h" |
4139c1b2 | 34 | #include "dbus-service.h" |
514f4ef5 | 35 | #include "special.h" |
398ef8ba | 36 | #include "bus-errors.h" |
2c4104f0 LP |
37 | |
38 | #define COMMENTS "#;\n" | |
39 | #define NEWLINES "\n\r" | |
034c6ed7 | 40 | |
09cd1ab1 LP |
41 | typedef enum RunlevelType { |
42 | RUNLEVEL_UP, | |
43 | RUNLEVEL_DOWN, | |
fc5df99e | 44 | RUNLEVEL_SYSINIT |
09cd1ab1 LP |
45 | } RunlevelType; |
46 | ||
47 | static const struct { | |
48 | const char *path; | |
49 | const char *target; | |
50 | const RunlevelType type; | |
51 | } rcnd_table[] = { | |
9d25f5ed | 52 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 53 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
54 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
55 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
56 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
57 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 58 | |
d4054675 | 59 | #ifdef TARGET_SUSE |
cfe243e3 | 60 | /* SUSE style boot.d */ |
fc5df99e | 61 | { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 62 | #endif |
fbe9f3a9 | 63 | |
d4054675 | 64 | #ifdef TARGET_DEBIAN |
fbe9f3a9 | 65 | /* Debian style rcS.d */ |
fc5df99e | 66 | { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 67 | #endif |
9d25f5ed LP |
68 | |
69 | /* Standard SysV runlevels for shutdown */ | |
70 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
71 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
72 | ||
73 | /* Note that the order here matters, as we read the | |
74 | directories in this order, and we want to make sure that | |
75 | sysv_start_priority is known when we first load the | |
76 | unit. And that value we only know from S links. Hence | |
77 | UP/SYSINIT must be read before DOWN */ | |
23a177ef LP |
78 | }; |
79 | ||
09cd1ab1 | 80 | #define RUNLEVELS_UP "12345" |
fbe9f3a9 LP |
81 | /* #define RUNLEVELS_DOWN "06" */ |
82 | /* #define RUNLEVELS_BOOT "bBsS" */ | |
09cd1ab1 | 83 | |
acbb0225 | 84 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
85 | [SERVICE_DEAD] = UNIT_INACTIVE, |
86 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
87 | [SERVICE_START] = UNIT_ACTIVATING, | |
88 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
89 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 90 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 91 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
92 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
93 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
94 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
95 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
96 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
97 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
032ff4af | 98 | [SERVICE_MAINTENANCE] = UNIT_MAINTENANCE, |
6124958c | 99 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 100 | }; |
5cb5a6ff | 101 | |
a16e1123 LP |
102 | static void service_init(Unit *u) { |
103 | Service *s = SERVICE(u); | |
104 | ||
105 | assert(u); | |
106 | assert(u->meta.load_state == UNIT_STUB); | |
107 | ||
108 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
109 | s->restart_usec = DEFAULT_RESTART_USEC; | |
110 | s->timer_watch.type = WATCH_INVALID; | |
111 | s->sysv_start_priority = -1; | |
112 | s->socket_fd = -1; | |
113 | ||
114 | exec_context_init(&s->exec_context); | |
115 | ||
116 | RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); | |
117 | ||
118 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
119 | } | |
120 | ||
5e94833f LP |
121 | static void service_unwatch_control_pid(Service *s) { |
122 | assert(s); | |
123 | ||
124 | if (s->control_pid <= 0) | |
125 | return; | |
126 | ||
127 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
128 | s->control_pid = 0; | |
129 | } | |
130 | ||
131 | static void service_unwatch_main_pid(Service *s) { | |
132 | assert(s); | |
133 | ||
134 | if (s->main_pid <= 0) | |
135 | return; | |
136 | ||
137 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
138 | s->main_pid = 0; | |
139 | } | |
140 | ||
5925dd3c | 141 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
142 | pid_t ppid; |
143 | ||
5925dd3c LP |
144 | assert(s); |
145 | ||
146 | if (pid <= 1) | |
147 | return -EINVAL; | |
148 | ||
149 | if (pid == getpid()) | |
150 | return -EINVAL; | |
151 | ||
e55224ca LP |
152 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) |
153 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", | |
154 | s->meta.id, (unsigned long) pid); | |
155 | ||
5925dd3c LP |
156 | s->main_pid = pid; |
157 | s->main_pid_known = true; | |
158 | ||
b58b4116 LP |
159 | exec_status_start(&s->main_exec_status, pid); |
160 | ||
5925dd3c LP |
161 | return 0; |
162 | } | |
163 | ||
4f2d528d LP |
164 | static void service_close_socket_fd(Service *s) { |
165 | assert(s); | |
166 | ||
167 | if (s->socket_fd < 0) | |
168 | return; | |
169 | ||
170 | close_nointr_nofail(s->socket_fd); | |
171 | s->socket_fd = -1; | |
172 | } | |
173 | ||
6cf6bbc2 LP |
174 | static void service_connection_unref(Service *s) { |
175 | assert(s); | |
176 | ||
177 | if (!s->socket) | |
178 | return; | |
179 | ||
180 | socket_connection_unref(s->socket); | |
181 | s->socket = NULL; | |
182 | } | |
183 | ||
87f0e418 LP |
184 | static void service_done(Unit *u) { |
185 | Service *s = SERVICE(u); | |
44d8db9e LP |
186 | |
187 | assert(s); | |
188 | ||
189 | free(s->pid_file); | |
190 | s->pid_file = NULL; | |
191 | ||
2c4104f0 LP |
192 | free(s->sysv_path); |
193 | s->sysv_path = NULL; | |
194 | ||
8309400a LP |
195 | free(s->sysv_runlevels); |
196 | s->sysv_runlevels = NULL; | |
197 | ||
8c47c732 LP |
198 | free(s->status_text); |
199 | s->status_text = NULL; | |
200 | ||
44d8db9e | 201 | exec_context_done(&s->exec_context); |
e537352b | 202 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e LP |
203 | s->control_command = NULL; |
204 | ||
205 | /* This will leak a process, but at least no memory or any of | |
206 | * our resources */ | |
5e94833f LP |
207 | service_unwatch_main_pid(s); |
208 | service_unwatch_control_pid(s); | |
44d8db9e | 209 | |
05e343b7 LP |
210 | if (s->bus_name) { |
211 | unit_unwatch_bus_name(UNIT(u), s->bus_name); | |
212 | free(s->bus_name); | |
213 | s->bus_name = NULL; | |
214 | } | |
215 | ||
4f2d528d | 216 | service_close_socket_fd(s); |
6cf6bbc2 | 217 | service_connection_unref(s); |
4f2d528d | 218 | |
acbb0225 | 219 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
220 | } |
221 | ||
b7ccee3c LP |
222 | static char *sysv_translate_name(const char *name) { |
223 | char *r; | |
224 | ||
225 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
226 | return NULL; | |
227 | ||
228 | if (startswith(name, "boot.")) | |
229 | /* Drop SuSE-style boot. prefix */ | |
230 | strcpy(stpcpy(r, name + 5), ".service"); | |
231 | else if (endswith(name, ".sh")) | |
232 | /* Drop Debian-style .sh suffix */ | |
233 | strcpy(stpcpy(r, name) - 3, ".service"); | |
234 | else | |
235 | /* Normal init scripts */ | |
236 | strcpy(stpcpy(r, name), ".service"); | |
237 | ||
238 | return r; | |
239 | } | |
240 | ||
241 | static int sysv_translate_facility(const char *name, char **_r) { | |
2c4104f0 LP |
242 | |
243 | static const char * const table[] = { | |
6464aa08 | 244 | /* LSB defined facilities */ |
2c4104f0 LP |
245 | "$local_fs", SPECIAL_LOCAL_FS_TARGET, |
246 | "$network", SPECIAL_NETWORK_TARGET, | |
247 | "$named", SPECIAL_NSS_LOOKUP_TARGET, | |
248 | "$portmap", SPECIAL_RPCBIND_TARGET, | |
249 | "$remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
250 | "$syslog", SPECIAL_SYSLOG_TARGET, | |
6464aa08 LP |
251 | "$time", SPECIAL_RTC_SET_TARGET, |
252 | ||
253 | /* Debian extensions */ | |
3177a49c | 254 | #ifdef TARGET_DEBIAN |
6464aa08 | 255 | "$mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 256 | #endif |
6464aa08 | 257 | "$mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c LP |
258 | "$x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, |
259 | ||
260 | #ifdef TARGET_FEDORA | |
261 | /* Fedora extensions, lacking the $ prefix */ | |
262 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
263 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET | |
264 | #endif | |
2c4104f0 LP |
265 | }; |
266 | ||
267 | unsigned i; | |
268 | char *r; | |
269 | ||
270 | for (i = 0; i < ELEMENTSOF(table); i += 2) | |
271 | if (streq(table[i], name)) { | |
272 | if (!(r = strdup(table[i+1]))) | |
273 | return -ENOMEM; | |
274 | ||
275 | goto finish; | |
276 | } | |
277 | ||
278 | if (*name == '$') | |
279 | return 0; | |
280 | ||
b7ccee3c | 281 | if (!(r = sysv_translate_name(name))) |
2c4104f0 LP |
282 | return -ENOMEM; |
283 | ||
284 | finish: | |
285 | ||
286 | if (_r) | |
287 | *_r = r; | |
288 | ||
289 | return 1; | |
290 | } | |
291 | ||
56d748b4 | 292 | static int sysv_fix_order(Service *s) { |
2c4104f0 LP |
293 | Meta *other; |
294 | int r; | |
295 | ||
296 | assert(s); | |
297 | ||
298 | if (s->sysv_start_priority < 0) | |
299 | return 0; | |
300 | ||
23a177ef LP |
301 | /* For each pair of services where at least one lacks a LSB |
302 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 303 | |
4cd1fbcc | 304 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { |
2c4104f0 LP |
305 | Service *t; |
306 | UnitDependency d; | |
eeaafddc | 307 | bool special_s, special_t; |
2c4104f0 LP |
308 | |
309 | t = (Service*) other; | |
310 | ||
311 | if (s == t) | |
312 | continue; | |
313 | ||
314 | if (t->sysv_start_priority < 0) | |
315 | continue; | |
316 | ||
51a1a79d LP |
317 | /* If both units have modern headers we don't care |
318 | * about the priorities */ | |
319 | if ((!s->sysv_path || s->sysv_has_lsb) && | |
320 | (!t->sysv_path || t->sysv_has_lsb)) | |
23a177ef LP |
321 | continue; |
322 | ||
eeaafddc LP |
323 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
324 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
325 | ||
326 | if (special_t && !special_s) | |
327 | d = UNIT_AFTER; | |
328 | else if (special_s && !special_t) | |
329 | d = UNIT_BEFORE; | |
330 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
331 | d = UNIT_AFTER; |
332 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
333 | d = UNIT_BEFORE; | |
334 | else | |
335 | continue; | |
336 | ||
337 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
338 | ||
701cc384 | 339 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
340 | return r; |
341 | } | |
342 | ||
343 | return 0; | |
344 | } | |
345 | ||
346 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
347 | ExecCommand *c; | |
348 | ||
349 | if (!(c = new0(ExecCommand, 1))) | |
350 | return NULL; | |
351 | ||
352 | if (!(c->path = strdup(path))) { | |
353 | free(c); | |
354 | return NULL; | |
355 | } | |
356 | ||
357 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
358 | free(c->path); | |
359 | free(c); | |
360 | return NULL; | |
361 | } | |
362 | ||
363 | return c; | |
364 | } | |
365 | ||
366 | static int sysv_exec_commands(Service *s) { | |
367 | ExecCommand *c; | |
368 | ||
369 | assert(s); | |
370 | assert(s->sysv_path); | |
371 | ||
372 | if (!(c = exec_command_new(s->sysv_path, "start"))) | |
373 | return -ENOMEM; | |
374 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
375 | ||
376 | if (!(c = exec_command_new(s->sysv_path, "stop"))) | |
377 | return -ENOMEM; | |
378 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
379 | ||
380 | if (!(c = exec_command_new(s->sysv_path, "reload"))) | |
381 | return -ENOMEM; | |
382 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
e537352b | 387 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
388 | FILE *f; |
389 | Unit *u; | |
390 | unsigned line = 0; | |
391 | int r; | |
392 | enum { | |
393 | NORMAL, | |
394 | DESCRIPTION, | |
395 | LSB, | |
396 | LSB_DESCRIPTION | |
397 | } state = NORMAL; | |
23a177ef LP |
398 | |
399 | assert(s); | |
400 | assert(path); | |
2c4104f0 LP |
401 | |
402 | u = UNIT(s); | |
403 | ||
404 | if (!(f = fopen(path, "re"))) { | |
405 | r = errno == ENOENT ? 0 : -errno; | |
406 | goto finish; | |
407 | } | |
408 | ||
2c4104f0 LP |
409 | free(s->sysv_path); |
410 | if (!(s->sysv_path = strdup(path))) { | |
411 | r = -ENOMEM; | |
412 | goto finish; | |
413 | } | |
414 | ||
415 | while (!feof(f)) { | |
416 | char l[LINE_MAX], *t; | |
417 | ||
418 | if (!fgets(l, sizeof(l), f)) { | |
419 | if (feof(f)) | |
420 | break; | |
421 | ||
422 | r = -errno; | |
423 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
424 | goto finish; | |
425 | } | |
426 | ||
427 | line++; | |
428 | ||
429 | t = strstrip(l); | |
430 | if (*t != '#') | |
431 | continue; | |
432 | ||
433 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
434 | state = LSB; | |
23a177ef | 435 | s->sysv_has_lsb = true; |
2c4104f0 LP |
436 | continue; |
437 | } | |
438 | ||
439 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
440 | state = NORMAL; | |
441 | continue; | |
442 | } | |
443 | ||
444 | t++; | |
445 | t += strspn(t, WHITESPACE); | |
446 | ||
447 | if (state == NORMAL) { | |
448 | ||
449 | /* Try to parse Red Hat style chkconfig headers */ | |
450 | ||
c2b35af6 | 451 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 452 | int start_priority; |
8309400a | 453 | char runlevels[16], *k; |
2c4104f0 LP |
454 | |
455 | state = NORMAL; | |
456 | ||
8309400a LP |
457 | if (sscanf(t+10, "%15s %i %*i", |
458 | runlevels, | |
459 | &start_priority) != 2) { | |
2c4104f0 LP |
460 | |
461 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
462 | continue; | |
463 | } | |
464 | ||
fbe9f3a9 LP |
465 | /* A start priority gathered from the |
466 | * symlink farms is preferred over the | |
467 | * data from the LSB header. */ | |
8309400a | 468 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 469 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
db06e3b6 | 470 | else if (s->sysv_start_priority < 0) |
8309400a LP |
471 | s->sysv_start_priority = start_priority; |
472 | ||
473 | char_array_0(runlevels); | |
474 | k = delete_chars(runlevels, WHITESPACE "-"); | |
475 | ||
476 | if (k[0]) { | |
477 | char *d; | |
478 | ||
479 | if (!(d = strdup(k))) { | |
480 | r = -ENOMEM; | |
481 | goto finish; | |
482 | } | |
483 | ||
484 | free(s->sysv_runlevels); | |
485 | s->sysv_runlevels = d; | |
2c4104f0 LP |
486 | } |
487 | ||
ed4c1cc6 LP |
488 | } else if (startswith_no_case(t, "description:") && |
489 | !u->meta.description) { | |
2c4104f0 LP |
490 | |
491 | size_t k = strlen(t); | |
492 | char *d; | |
493 | ||
494 | if (t[k-1] == '\\') { | |
495 | state = DESCRIPTION; | |
496 | t[k-1] = 0; | |
497 | } | |
498 | ||
46948365 | 499 | if (!(d = strappend("LSB: ", strstrip(t+12)))) { |
2c4104f0 LP |
500 | r = -ENOMEM; |
501 | goto finish; | |
502 | } | |
503 | ||
504 | free(u->meta.description); | |
505 | u->meta.description = d; | |
506 | ||
c2b35af6 | 507 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
508 | |
509 | char *fn; | |
510 | ||
511 | state = NORMAL; | |
512 | ||
513 | fn = strstrip(t+8); | |
514 | if (!path_is_absolute(fn)) { | |
515 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
516 | continue; | |
517 | } | |
518 | ||
519 | if (!(fn = strdup(fn))) { | |
520 | r = -ENOMEM; | |
521 | goto finish; | |
522 | } | |
523 | ||
524 | free(s->pid_file); | |
525 | s->pid_file = fn; | |
526 | } | |
527 | ||
528 | } else if (state == DESCRIPTION) { | |
529 | ||
530 | /* Try to parse Red Hat style description | |
531 | * continuation */ | |
532 | ||
533 | size_t k = strlen(t); | |
534 | char *d; | |
535 | ||
536 | if (t[k-1] == '\\') | |
537 | t[k-1] = 0; | |
538 | else | |
539 | state = NORMAL; | |
540 | ||
541 | assert(u->meta.description); | |
542 | if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) { | |
543 | r = -ENOMEM; | |
544 | goto finish; | |
545 | } | |
546 | ||
547 | free(u->meta.description); | |
548 | u->meta.description = d; | |
549 | ||
550 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
551 | ||
c2b35af6 | 552 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
553 | char *i, *w; |
554 | size_t z; | |
555 | ||
556 | state = LSB; | |
557 | ||
f60f22df | 558 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
559 | char *n, *m; |
560 | ||
561 | if (!(n = strndup(w, z))) { | |
562 | r = -ENOMEM; | |
563 | goto finish; | |
564 | } | |
565 | ||
b7ccee3c | 566 | r = sysv_translate_facility(n, &m); |
2c4104f0 LP |
567 | free(n); |
568 | ||
569 | if (r < 0) | |
570 | goto finish; | |
571 | ||
572 | if (r == 0) | |
573 | continue; | |
574 | ||
bd77d0fc LP |
575 | if (unit_name_to_type(m) == UNIT_SERVICE) |
576 | r = unit_add_name(u, m); | |
5de6b302 | 577 | else if (s->sysv_enabled) |
9d25f5ed | 578 | r = unit_add_two_dependencies_by_name_inverse(u, UNIT_AFTER, UNIT_WANTS, m, NULL, true); |
2c966c03 | 579 | else |
9d25f5ed | 580 | r = unit_add_dependency_by_name_inverse(u, UNIT_AFTER, m, NULL, true); |
bd77d0fc | 581 | |
2c4104f0 | 582 | if (r < 0) |
43a37549 | 583 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
584 | |
585 | free(m); | |
2c4104f0 LP |
586 | } |
587 | ||
c2b35af6 LP |
588 | } else if (startswith_no_case(t, "Required-Start:") || |
589 | startswith_no_case(t, "Should-Start:") || | |
590 | startswith_no_case(t, "X-Start-Before:") || | |
591 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
592 | char *i, *w; |
593 | size_t z; | |
594 | ||
595 | state = LSB; | |
596 | ||
f60f22df | 597 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
598 | char *n, *m; |
599 | ||
600 | if (!(n = strndup(w, z))) { | |
601 | r = -ENOMEM; | |
602 | goto finish; | |
603 | } | |
604 | ||
b7ccee3c | 605 | r = sysv_translate_facility(n, &m); |
2c4104f0 LP |
606 | free(n); |
607 | ||
608 | if (r < 0) | |
609 | goto finish; | |
610 | ||
611 | if (r == 0) | |
612 | continue; | |
613 | ||
c2b35af6 | 614 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
615 | |
616 | if (r < 0) | |
43a37549 | 617 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
618 | |
619 | free(m); | |
2c4104f0 | 620 | } |
c2b35af6 | 621 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
622 | char *k, *d; |
623 | ||
624 | state = LSB; | |
625 | ||
626 | k = delete_chars(t+14, WHITESPACE "-"); | |
627 | ||
628 | if (k[0] != 0) { | |
629 | if (!(d = strdup(k))) { | |
630 | r = -ENOMEM; | |
631 | goto finish; | |
632 | } | |
633 | ||
634 | free(s->sysv_runlevels); | |
635 | s->sysv_runlevels = d; | |
636 | } | |
2c4104f0 | 637 | |
ed4c1cc6 LP |
638 | } else if (startswith_no_case(t, "Description:") && |
639 | !u->meta.description) { | |
2c4104f0 LP |
640 | char *d; |
641 | ||
ed4c1cc6 LP |
642 | /* We use the long description only if |
643 | * no short description is set. */ | |
644 | ||
2c4104f0 LP |
645 | state = LSB_DESCRIPTION; |
646 | ||
46948365 | 647 | if (!(d = strappend("LSB: ", strstrip(t+12)))) { |
2c4104f0 LP |
648 | r = -ENOMEM; |
649 | goto finish; | |
650 | } | |
651 | ||
652 | free(u->meta.description); | |
653 | u->meta.description = d; | |
654 | ||
ed4c1cc6 | 655 | } else if (startswith_no_case(t, "Short-Description:")) { |
2c4104f0 LP |
656 | char *d; |
657 | ||
2c4104f0 LP |
658 | state = LSB; |
659 | ||
46948365 | 660 | if (!(d = strappend("LSB: ", strstrip(t+18)))) { |
2c4104f0 LP |
661 | r = -ENOMEM; |
662 | goto finish; | |
663 | } | |
664 | ||
7740296d | 665 | free(u->meta.description); |
2c4104f0 LP |
666 | u->meta.description = d; |
667 | ||
723c83fd LP |
668 | } else if (startswith_no_case(t, "X-Interactive:")) { |
669 | int b; | |
670 | ||
671 | if ((b = parse_boolean(strstrip(t+14))) < 0) { | |
672 | log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line); | |
673 | continue; | |
674 | } | |
675 | ||
676 | if (b) | |
677 | s->exec_context.std_input = EXEC_INPUT_TTY; | |
678 | else | |
679 | s->exec_context.std_input = EXEC_INPUT_NULL; | |
680 | ||
2c4104f0 LP |
681 | } else if (state == LSB_DESCRIPTION) { |
682 | ||
683 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
684 | char *d; | |
685 | ||
686 | assert(u->meta.description); | |
687 | if (asprintf(&d, "%s %s", u->meta.description, t) < 0) { | |
688 | r = -ENOMEM; | |
689 | goto finish; | |
690 | } | |
691 | ||
692 | free(u->meta.description); | |
693 | u->meta.description = d; | |
694 | } else | |
695 | state = LSB; | |
696 | } | |
697 | } | |
698 | } | |
699 | ||
2c4104f0 LP |
700 | if ((r = sysv_exec_commands(s)) < 0) |
701 | goto finish; | |
702 | ||
a40eb732 | 703 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
704 | /* If there a runlevels configured for this service |
705 | * but none of the standard ones, then we assume this | |
706 | * is some special kind of service (which might be | |
707 | * needed for early boot) and don't create any links | |
708 | * to it. */ | |
709 | ||
a40eb732 | 710 | s->meta.default_dependencies = false; |
09cd1ab1 | 711 | |
09cd1ab1 LP |
712 | /* Don't timeout special services during boot (like fsck) */ |
713 | s->timeout_usec = 0; | |
a40eb732 | 714 | } |
0fd030be | 715 | |
80876c20 | 716 | /* Special setting for all SysV services */ |
1f48cf56 | 717 | s->type = SERVICE_FORKING; |
02ee865a | 718 | s->remain_after_exit = true; |
1f48cf56 | 719 | s->restart = SERVICE_ONCE; |
8a2b3c09 LP |
720 | s->exec_context.std_output = |
721 | (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY) | |
722 | ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL; | |
2e22afe9 | 723 | s->exec_context.kill_mode = KILL_PROCESS_GROUP; |
80876c20 | 724 | |
e537352b | 725 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 726 | r = 0; |
2c4104f0 LP |
727 | |
728 | finish: | |
729 | ||
730 | if (f) | |
731 | fclose(f); | |
732 | ||
733 | return r; | |
734 | } | |
735 | ||
e537352b | 736 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
737 | char **p; |
738 | ||
739 | assert(s); | |
740 | assert(name); | |
741 | ||
d017c6ca LP |
742 | /* For SysV services we strip the boot. or .sh |
743 | * prefixes/suffixes. */ | |
744 | if (startswith(name, "boot.") || | |
745 | endswith(name, ".sh.service")) | |
746 | return -ENOENT; | |
747 | ||
4cd1fbcc | 748 | STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
749 | char *path; |
750 | int r; | |
751 | ||
752 | if (asprintf(&path, "%s/%s", *p, name) < 0) | |
753 | return -ENOMEM; | |
754 | ||
755 | assert(endswith(path, ".service")); | |
756 | path[strlen(path)-8] = 0; | |
757 | ||
e537352b | 758 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 759 | |
4cd1fbcc | 760 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
d017c6ca | 761 | /* Try Debian style xxx.sh source'able init scripts */ |
fbe9f3a9 LP |
762 | strcat(path, ".sh"); |
763 | r = service_load_sysv_path(s, path); | |
764 | } | |
765 | ||
2c4104f0 LP |
766 | free(path); |
767 | ||
4cd1fbcc | 768 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
cfe243e3 | 769 | /* Try SUSE style boot.xxx init scripts */ |
fbe9f3a9 LP |
770 | |
771 | if (asprintf(&path, "%s/boot.%s", *p, name) < 0) | |
772 | return -ENOMEM; | |
773 | ||
774 | path[strlen(path)-8] = 0; | |
775 | r = service_load_sysv_path(s, path); | |
776 | free(path); | |
777 | } | |
778 | ||
23a177ef | 779 | if (r < 0) |
2c4104f0 | 780 | return r; |
23a177ef | 781 | |
4cd1fbcc | 782 | if ((s->meta.load_state != UNIT_STUB)) |
23a177ef | 783 | break; |
2c4104f0 LP |
784 | } |
785 | ||
786 | return 0; | |
787 | } | |
788 | ||
e537352b | 789 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
790 | const char *t; |
791 | Iterator i; | |
792 | int r; | |
793 | ||
5cb5a6ff LP |
794 | assert(s); |
795 | ||
796 | /* Load service data from SysV init scripts, preferably with | |
797 | * LSB headers ... */ | |
798 | ||
4cd1fbcc | 799 | if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
800 | return 0; |
801 | ||
4cd1fbcc | 802 | if ((t = s->meta.id)) |
e537352b | 803 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
804 | return r; |
805 | ||
4cd1fbcc LP |
806 | if (s->meta.load_state == UNIT_STUB) |
807 | SET_FOREACH(t, s->meta.names, i) { | |
808 | if (t == s->meta.id) | |
e537352b LP |
809 | continue; |
810 | ||
e364ad06 | 811 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
812 | return r; |
813 | ||
4cd1fbcc | 814 | if (s->meta.load_state != UNIT_STUB) |
23a177ef LP |
815 | break; |
816 | } | |
2c4104f0 LP |
817 | |
818 | return 0; | |
5cb5a6ff LP |
819 | } |
820 | ||
05e343b7 LP |
821 | static int service_add_bus_name(Service *s) { |
822 | char *n; | |
823 | int r; | |
824 | ||
825 | assert(s); | |
826 | assert(s->bus_name); | |
827 | ||
828 | if (asprintf(&n, "dbus-%s.service", s->bus_name) < 0) | |
829 | return 0; | |
830 | ||
831 | r = unit_merge_by_name(UNIT(s), n); | |
832 | free(n); | |
833 | ||
834 | return r; | |
835 | } | |
836 | ||
243b1432 LP |
837 | static int service_verify(Service *s) { |
838 | assert(s); | |
839 | ||
4cd1fbcc | 840 | if (s->meta.load_state != UNIT_LOADED) |
243b1432 LP |
841 | return 0; |
842 | ||
843 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
4cd1fbcc | 844 | log_error("%s lacks ExecStart setting. Refusing.", s->meta.id); |
243b1432 LP |
845 | return -EINVAL; |
846 | } | |
847 | ||
34e9ba66 LP |
848 | if (s->type != SERVICE_ONESHOT && |
849 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
850 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id); | |
6cf6bbc2 LP |
851 | return -EINVAL; |
852 | } | |
853 | ||
05e343b7 | 854 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
4d0e5dbd LP |
855 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id); |
856 | return -EINVAL; | |
857 | } | |
858 | ||
2e22afe9 | 859 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
4d0e5dbd | 860 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id); |
05e343b7 LP |
861 | return -EINVAL; |
862 | } | |
863 | ||
243b1432 LP |
864 | return 0; |
865 | } | |
866 | ||
a40eb732 LP |
867 | static int service_add_default_dependencies(Service *s) { |
868 | int r; | |
869 | ||
870 | assert(s); | |
871 | ||
872 | /* Add a number of automatic dependencies useful for the | |
873 | * majority of services. */ | |
874 | ||
875 | /* First, pull in base system */ | |
876 | if (s->meta.manager->running_as == MANAGER_SYSTEM) { | |
877 | ||
878 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
879 | return r; | |
880 | ||
881 | } else if (s->meta.manager->running_as == MANAGER_SESSION) { | |
882 | ||
883 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
884 | return r; | |
885 | } | |
886 | ||
887 | /* Second, activate normal shutdown */ | |
69dd2852 | 888 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTED_BY, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
889 | } |
890 | ||
e537352b LP |
891 | static int service_load(Unit *u) { |
892 | int r; | |
893 | Service *s = SERVICE(u); | |
894 | ||
895 | assert(s); | |
1e2e8133 | 896 | |
5cb5a6ff | 897 | /* Load a .service file */ |
e537352b | 898 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
899 | return r; |
900 | ||
bd77d0fc | 901 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
e537352b LP |
902 | if (u->meta.load_state == UNIT_STUB) |
903 | if ((r = service_load_sysv(s)) < 0) | |
23a177ef | 904 | return r; |
d46de8a1 | 905 | |
23a177ef | 906 | /* Still nothing found? Then let's give up */ |
e537352b | 907 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 908 | return -ENOENT; |
034c6ed7 | 909 | |
23a177ef LP |
910 | /* We were able to load something, then let's add in the |
911 | * dropin directories. */ | |
912 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 913 | return r; |
23a177ef LP |
914 | |
915 | /* This is a new unit? Then let's add in some extras */ | |
e537352b | 916 | if (u->meta.load_state == UNIT_LOADED) { |
23a177ef LP |
917 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
918 | return r; | |
919 | ||
920 | if ((r = unit_add_default_cgroup(u)) < 0) | |
921 | return r; | |
922 | ||
56d748b4 | 923 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 924 | return r; |
05e343b7 LP |
925 | |
926 | if (s->bus_name) { | |
927 | if ((r = service_add_bus_name(s)) < 0) | |
928 | return r; | |
929 | ||
930 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) | |
a40eb732 | 931 | return r; |
05e343b7 | 932 | } |
c952c6ec LP |
933 | |
934 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
935 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 LP |
936 | |
937 | if (s->type == SERVICE_DBUS || s->bus_name) | |
938 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0) | |
939 | return r; | |
940 | ||
941 | if (s->meta.default_dependencies) | |
942 | if ((r = service_add_default_dependencies(s)) < 0) | |
943 | return r; | |
8e274523 LP |
944 | } |
945 | ||
243b1432 | 946 | return service_verify(s); |
034c6ed7 LP |
947 | } |
948 | ||
87f0e418 | 949 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 950 | |
5cb5a6ff | 951 | ServiceExecCommand c; |
87f0e418 | 952 | Service *s = SERVICE(u); |
47be870b LP |
953 | const char *prefix2; |
954 | char *p2; | |
5cb5a6ff LP |
955 | |
956 | assert(s); | |
957 | ||
47be870b LP |
958 | p2 = strappend(prefix, "\t"); |
959 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 960 | |
5cb5a6ff | 961 | fprintf(f, |
81a2b7ce LP |
962 | "%sService State: %s\n" |
963 | "%sPermissionsStartOnly: %s\n" | |
8e274523 | 964 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 965 | "%sRemainAfterExit: %s\n" |
c952c6ec | 966 | "%sType: %s\n" |
2cf3143a | 967 | "%sRestart: %s\n" |
c952c6ec | 968 | "%sNotifyAccess: %s\n", |
81a2b7ce LP |
969 | prefix, service_state_to_string(s->state), |
970 | prefix, yes_no(s->permissions_start_only), | |
8e274523 | 971 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 972 | prefix, yes_no(s->remain_after_exit), |
c952c6ec | 973 | prefix, service_type_to_string(s->type), |
2cf3143a | 974 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 975 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 976 | |
70123e68 LP |
977 | if (s->control_pid > 0) |
978 | fprintf(f, | |
bb00e604 LP |
979 | "%sControl PID: %lu\n", |
980 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
981 | |
982 | if (s->main_pid > 0) | |
983 | fprintf(f, | |
bb00e604 LP |
984 | "%sMain PID: %lu\n", |
985 | prefix, (unsigned long) s->main_pid); | |
70123e68 | 986 | |
034c6ed7 LP |
987 | if (s->pid_file) |
988 | fprintf(f, | |
989 | "%sPIDFile: %s\n", | |
990 | prefix, s->pid_file); | |
991 | ||
05e343b7 LP |
992 | if (s->bus_name) |
993 | fprintf(f, | |
994 | "%sBusName: %s\n" | |
995 | "%sBus Name Good: %s\n", | |
996 | prefix, s->bus_name, | |
997 | prefix, yes_no(s->bus_name_good)); | |
998 | ||
5cb5a6ff LP |
999 | exec_context_dump(&s->exec_context, f, prefix); |
1000 | ||
e537352b | 1001 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1002 | |
44d8db9e LP |
1003 | if (!s->exec_command[c]) |
1004 | continue; | |
1005 | ||
40d50879 | 1006 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1007 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1008 | |
1009 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1010 | } |
44d8db9e | 1011 | |
2c4104f0 LP |
1012 | if (s->sysv_path) |
1013 | fprintf(f, | |
23a177ef LP |
1014 | "%sSysV Init Script Path: %s\n" |
1015 | "%sSysV Init Script has LSB Header: %s\n", | |
1016 | prefix, s->sysv_path, | |
1017 | prefix, yes_no(s->sysv_has_lsb)); | |
2c4104f0 LP |
1018 | |
1019 | if (s->sysv_start_priority >= 0) | |
1020 | fprintf(f, | |
5de6b302 LP |
1021 | "%sSysVStartPriority: %i\n" |
1022 | "%sSysVEnabled: %s\n", | |
1023 | prefix, s->sysv_start_priority, | |
1024 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 | 1025 | |
8309400a LP |
1026 | if (s->sysv_runlevels) |
1027 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1028 | prefix, s->sysv_runlevels); | |
23a177ef | 1029 | |
8c47c732 LP |
1030 | if (s->status_text) |
1031 | fprintf(f, "%sStatus Text: %s\n", | |
1032 | prefix, s->status_text); | |
1033 | ||
47be870b | 1034 | free(p2); |
5cb5a6ff LP |
1035 | } |
1036 | ||
034c6ed7 LP |
1037 | static int service_load_pid_file(Service *s) { |
1038 | char *k; | |
034c6ed7 | 1039 | int r; |
5925dd3c | 1040 | pid_t pid; |
034c6ed7 LP |
1041 | |
1042 | assert(s); | |
1043 | ||
1044 | if (s->main_pid_known) | |
1045 | return 0; | |
1046 | ||
5e94833f LP |
1047 | assert(s->main_pid <= 0); |
1048 | ||
034c6ed7 LP |
1049 | if (!s->pid_file) |
1050 | return -ENOENT; | |
1051 | ||
1052 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) | |
1053 | return r; | |
1054 | ||
5925dd3c LP |
1055 | r = parse_pid(k, &pid); |
1056 | free(k); | |
034c6ed7 | 1057 | |
5925dd3c LP |
1058 | if (r < 0) |
1059 | return r; | |
406eaf93 | 1060 | |
5925dd3c LP |
1061 | if (kill(pid, 0) < 0 && errno != EPERM) { |
1062 | log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.", | |
1063 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1064 | return -ESRCH; |
1065 | } | |
1066 | ||
5925dd3c | 1067 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1068 | return r; |
1069 | ||
5925dd3c LP |
1070 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1071 | /* FIXME: we need to do something here */ | |
1072 | return r; | |
034c6ed7 LP |
1073 | |
1074 | return 0; | |
1075 | } | |
1076 | ||
3e33402a LP |
1077 | static int service_get_sockets(Service *s, Set **_set) { |
1078 | Set *set; | |
ceee3d82 LP |
1079 | Iterator i; |
1080 | char *t; | |
3e33402a | 1081 | int r; |
ceee3d82 LP |
1082 | |
1083 | assert(s); | |
3e33402a LP |
1084 | assert(_set); |
1085 | ||
6cf6bbc2 LP |
1086 | if (s->socket_fd >= 0) |
1087 | return 0; | |
1088 | ||
3e33402a LP |
1089 | /* Collects all Socket objects that belong to this |
1090 | * service. Note that a service might have multiple sockets | |
1091 | * via multiple names. */ | |
1092 | ||
1093 | if (!(set = set_new(NULL, NULL))) | |
1094 | return -ENOMEM; | |
ceee3d82 | 1095 | |
4cd1fbcc | 1096 | SET_FOREACH(t, s->meta.names, i) { |
ceee3d82 LP |
1097 | char *k; |
1098 | Unit *p; | |
1099 | ||
1100 | /* Look for all socket objects that go by any of our | |
1101 | * units and collect their fds */ | |
1102 | ||
3e33402a LP |
1103 | if (!(k = unit_name_change_suffix(t, ".socket"))) { |
1104 | r = -ENOMEM; | |
1105 | goto fail; | |
1106 | } | |
ceee3d82 | 1107 | |
4cd1fbcc | 1108 | p = manager_get_unit(s->meta.manager, k); |
ceee3d82 LP |
1109 | free(k); |
1110 | ||
8d567588 LP |
1111 | if (!p) |
1112 | continue; | |
ceee3d82 | 1113 | |
3e33402a LP |
1114 | if ((r = set_put(set, p)) < 0) |
1115 | goto fail; | |
ceee3d82 LP |
1116 | } |
1117 | ||
3e33402a LP |
1118 | *_set = set; |
1119 | return 0; | |
1120 | ||
1121 | fail: | |
1122 | set_free(set); | |
1123 | return r; | |
1124 | } | |
1125 | ||
e537352b | 1126 | static int service_notify_sockets_dead(Service *s) { |
3e33402a LP |
1127 | Iterator i; |
1128 | Set *set; | |
47be870b | 1129 | Socket *sock; |
3e33402a LP |
1130 | int r; |
1131 | ||
1132 | assert(s); | |
1133 | ||
6cf6bbc2 LP |
1134 | if (s->socket_fd >= 0) |
1135 | return 0; | |
1136 | ||
3e33402a | 1137 | /* Notifies all our sockets when we die */ |
3e33402a LP |
1138 | if ((r = service_get_sockets(s, &set)) < 0) |
1139 | return r; | |
1140 | ||
47be870b LP |
1141 | SET_FOREACH(sock, set, i) |
1142 | socket_notify_service_dead(sock); | |
3e33402a LP |
1143 | |
1144 | set_free(set); | |
1145 | ||
ceee3d82 LP |
1146 | return 0; |
1147 | } | |
1148 | ||
034c6ed7 LP |
1149 | static void service_set_state(Service *s, ServiceState state) { |
1150 | ServiceState old_state; | |
5cb5a6ff LP |
1151 | assert(s); |
1152 | ||
034c6ed7 | 1153 | old_state = s->state; |
5cb5a6ff | 1154 | s->state = state; |
034c6ed7 LP |
1155 | |
1156 | if (state != SERVICE_START_PRE && | |
1157 | state != SERVICE_START && | |
1158 | state != SERVICE_START_POST && | |
1159 | state != SERVICE_RELOAD && | |
1160 | state != SERVICE_STOP && | |
1161 | state != SERVICE_STOP_SIGTERM && | |
1162 | state != SERVICE_STOP_SIGKILL && | |
1163 | state != SERVICE_STOP_POST && | |
1164 | state != SERVICE_FINAL_SIGTERM && | |
1165 | state != SERVICE_FINAL_SIGKILL && | |
1166 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1167 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1168 | |
7d55e835 LP |
1169 | if (state != SERVICE_START && |
1170 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1171 | state != SERVICE_RUNNING && |
1172 | state != SERVICE_RELOAD && | |
1173 | state != SERVICE_STOP && | |
1174 | state != SERVICE_STOP_SIGTERM && | |
1175 | state != SERVICE_STOP_SIGKILL) | |
5e94833f | 1176 | service_unwatch_main_pid(s); |
034c6ed7 LP |
1177 | |
1178 | if (state != SERVICE_START_PRE && | |
1179 | state != SERVICE_START && | |
1180 | state != SERVICE_START_POST && | |
1181 | state != SERVICE_RELOAD && | |
1182 | state != SERVICE_STOP && | |
1183 | state != SERVICE_STOP_SIGTERM && | |
1184 | state != SERVICE_STOP_SIGKILL && | |
1185 | state != SERVICE_STOP_POST && | |
1186 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1187 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1188 | service_unwatch_control_pid(s); |
034c6ed7 | 1189 | s->control_command = NULL; |
a16e1123 | 1190 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1191 | } |
034c6ed7 | 1192 | |
ceee3d82 LP |
1193 | if (state == SERVICE_DEAD || |
1194 | state == SERVICE_STOP || | |
1195 | state == SERVICE_STOP_SIGTERM || | |
1196 | state == SERVICE_STOP_SIGKILL || | |
1197 | state == SERVICE_STOP_POST || | |
1198 | state == SERVICE_FINAL_SIGTERM || | |
1199 | state == SERVICE_FINAL_SIGKILL || | |
18c78fb1 | 1200 | state == SERVICE_MAINTENANCE || |
ceee3d82 | 1201 | state == SERVICE_AUTO_RESTART) |
e537352b | 1202 | service_notify_sockets_dead(s); |
ceee3d82 | 1203 | |
4f2d528d LP |
1204 | if (state != SERVICE_START_PRE && |
1205 | state != SERVICE_START && | |
6cf6bbc2 LP |
1206 | state != SERVICE_START_POST && |
1207 | state != SERVICE_RUNNING && | |
1208 | state != SERVICE_RELOAD && | |
1209 | state != SERVICE_STOP && | |
1210 | state != SERVICE_STOP_SIGTERM && | |
1211 | state != SERVICE_STOP_SIGKILL && | |
1212 | state != SERVICE_STOP_POST && | |
1213 | state != SERVICE_FINAL_SIGTERM && | |
1214 | state != SERVICE_FINAL_SIGKILL && | |
4cd1fbcc | 1215 | !(state == SERVICE_DEAD && s->meta.job)) { |
4f2d528d | 1216 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1217 | service_connection_unref(s); |
1218 | } | |
4f2d528d | 1219 | |
f6023656 LP |
1220 | /* For the inactive states unit_notify() will trim the cgroup, |
1221 | * but for exit we have to do that ourselves... */ | |
1222 | if (state == SERVICE_EXITED) | |
1223 | cgroup_bonding_trim_list(s->meta.cgroup_bondings, true); | |
1224 | ||
e537352b | 1225 | if (old_state != state) |
4cd1fbcc | 1226 | log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 LP |
1227 | |
1228 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
1229 | } |
1230 | ||
a16e1123 LP |
1231 | static int service_coldplug(Unit *u) { |
1232 | Service *s = SERVICE(u); | |
1233 | int r; | |
1234 | ||
1235 | assert(s); | |
1236 | assert(s->state == SERVICE_DEAD); | |
1237 | ||
1238 | if (s->deserialized_state != s->state) { | |
1239 | ||
1240 | if (s->deserialized_state == SERVICE_START_PRE || | |
1241 | s->deserialized_state == SERVICE_START || | |
1242 | s->deserialized_state == SERVICE_START_POST || | |
1243 | s->deserialized_state == SERVICE_RELOAD || | |
1244 | s->deserialized_state == SERVICE_STOP || | |
1245 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1246 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1247 | s->deserialized_state == SERVICE_STOP_POST || | |
1248 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1249 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1250 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1251 | ||
1252 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1253 | usec_t k; | |
1254 | ||
1255 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1256 | ||
1257 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1258 | return r; | |
1259 | } | |
1260 | } | |
a16e1123 LP |
1261 | |
1262 | if ((s->deserialized_state == SERVICE_START && | |
1263 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1264 | s->type == SERVICE_DBUS || |
34e9ba66 | 1265 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1266 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1267 | s->deserialized_state == SERVICE_START_POST || |
1268 | s->deserialized_state == SERVICE_RUNNING || | |
1269 | s->deserialized_state == SERVICE_RELOAD || | |
1270 | s->deserialized_state == SERVICE_STOP || | |
1271 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1272 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1273 | if (s->main_pid > 0) | |
1274 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1275 | return r; | |
1276 | ||
1277 | if (s->deserialized_state == SERVICE_START_PRE || | |
1278 | s->deserialized_state == SERVICE_START || | |
1279 | s->deserialized_state == SERVICE_START_POST || | |
1280 | s->deserialized_state == SERVICE_RELOAD || | |
1281 | s->deserialized_state == SERVICE_STOP || | |
1282 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1283 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1284 | s->deserialized_state == SERVICE_STOP_POST || | |
1285 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1286 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1287 | if (s->control_pid > 0) | |
1288 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1289 | return r; | |
1290 | ||
1291 | service_set_state(s, s->deserialized_state); | |
1292 | } | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
44d8db9e LP |
1297 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1298 | Iterator i; | |
1299 | int r; | |
1300 | int *rfds = NULL; | |
1301 | unsigned rn_fds = 0; | |
3e33402a | 1302 | Set *set; |
47be870b | 1303 | Socket *sock; |
44d8db9e LP |
1304 | |
1305 | assert(s); | |
1306 | assert(fds); | |
1307 | assert(n_fds); | |
1308 | ||
6cf6bbc2 LP |
1309 | if (s->socket_fd >= 0) |
1310 | return 0; | |
1311 | ||
3e33402a LP |
1312 | if ((r = service_get_sockets(s, &set)) < 0) |
1313 | return r; | |
1314 | ||
47be870b | 1315 | SET_FOREACH(sock, set, i) { |
44d8db9e LP |
1316 | int *cfds; |
1317 | unsigned cn_fds; | |
1318 | ||
47be870b | 1319 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1320 | goto fail; |
1321 | ||
1322 | if (!cfds) | |
1323 | continue; | |
1324 | ||
1325 | if (!rfds) { | |
1326 | rfds = cfds; | |
1327 | rn_fds = cn_fds; | |
1328 | } else { | |
1329 | int *t; | |
1330 | ||
1331 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1332 | free(cfds); | |
1333 | r = -ENOMEM; | |
1334 | goto fail; | |
1335 | } | |
1336 | ||
1337 | memcpy(t, rfds, rn_fds); | |
1338 | memcpy(t+rn_fds, cfds, cn_fds); | |
1339 | free(rfds); | |
1340 | free(cfds); | |
1341 | ||
1342 | rfds = t; | |
1343 | rn_fds = rn_fds+cn_fds; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | *fds = rfds; | |
1348 | *n_fds = rn_fds; | |
3e33402a LP |
1349 | |
1350 | set_free(set); | |
1351 | ||
44d8db9e LP |
1352 | return 0; |
1353 | ||
1354 | fail: | |
3e33402a | 1355 | set_free(set); |
44d8db9e | 1356 | free(rfds); |
3e33402a | 1357 | |
44d8db9e LP |
1358 | return r; |
1359 | } | |
1360 | ||
81a2b7ce LP |
1361 | static int service_spawn( |
1362 | Service *s, | |
1363 | ExecCommand *c, | |
1364 | bool timeout, | |
1365 | bool pass_fds, | |
1366 | bool apply_permissions, | |
1367 | bool apply_chroot, | |
1e3ad081 | 1368 | bool apply_tty_stdin, |
c952c6ec | 1369 | bool set_notify_socket, |
81a2b7ce LP |
1370 | pid_t *_pid) { |
1371 | ||
034c6ed7 LP |
1372 | pid_t pid; |
1373 | int r; | |
6cf6bbc2 | 1374 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1375 | unsigned n_fds = 0, n_env = 0; |
1376 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1377 | |
1378 | assert(s); | |
1379 | assert(c); | |
1380 | assert(_pid); | |
1381 | ||
6cf6bbc2 LP |
1382 | if (pass_fds || |
1383 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1384 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1385 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1386 | ||
4f2d528d LP |
1387 | if (s->socket_fd >= 0) { |
1388 | fds = &s->socket_fd; | |
1389 | n_fds = 1; | |
6cf6bbc2 LP |
1390 | } else { |
1391 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1392 | goto fail; | |
1393 | ||
1394 | fds = fdsbuf; | |
1395 | } | |
4f2d528d | 1396 | } |
44d8db9e | 1397 | |
e558336f | 1398 | if (timeout && s->timeout_usec) { |
acbb0225 | 1399 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1400 | goto fail; |
1401 | } else | |
acbb0225 | 1402 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1403 | |
9e2f7c11 LP |
1404 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1405 | r = -ENOMEM; | |
1406 | goto fail; | |
1407 | } | |
1408 | ||
2105e76a LP |
1409 | if (!(our_env = new0(char*, 3))) { |
1410 | r = -ENOMEM; | |
1411 | goto fail; | |
1412 | } | |
c952c6ec | 1413 | |
2105e76a LP |
1414 | if (set_notify_socket) |
1415 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) { | |
c952c6ec LP |
1416 | r = -ENOMEM; |
1417 | goto fail; | |
1418 | } | |
1419 | ||
2105e76a LP |
1420 | if (s->main_pid > 0) |
1421 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1422 | r = -ENOMEM; |
1423 | goto fail; | |
1424 | } | |
2105e76a LP |
1425 | |
1426 | if (!(final_env = strv_env_merge(2, | |
1427 | s->meta.manager->environment, | |
1428 | our_env, | |
1429 | NULL))) { | |
1430 | r = -ENOMEM; | |
1431 | goto fail; | |
1432 | } | |
c952c6ec | 1433 | |
9e2f7c11 LP |
1434 | r = exec_spawn(c, |
1435 | argv, | |
1436 | &s->exec_context, | |
1437 | fds, n_fds, | |
2105e76a | 1438 | final_env, |
9e2f7c11 LP |
1439 | apply_permissions, |
1440 | apply_chroot, | |
1e3ad081 | 1441 | apply_tty_stdin, |
4cd1fbcc LP |
1442 | s->meta.manager->confirm_spawn, |
1443 | s->meta.cgroup_bondings, | |
9e2f7c11 LP |
1444 | &pid); |
1445 | ||
9e2f7c11 | 1446 | if (r < 0) |
034c6ed7 LP |
1447 | goto fail; |
1448 | ||
4f2d528d | 1449 | |
87f0e418 | 1450 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1451 | /* FIXME: we need to do something here */ |
1452 | goto fail; | |
1453 | ||
2105e76a LP |
1454 | free(fdsbuf); |
1455 | strv_free(argv); | |
1456 | strv_free(our_env); | |
1457 | strv_free(final_env); | |
1458 | ||
034c6ed7 LP |
1459 | *_pid = pid; |
1460 | ||
5cb5a6ff | 1461 | return 0; |
034c6ed7 LP |
1462 | |
1463 | fail: | |
2105e76a | 1464 | free(fdsbuf); |
c952c6ec | 1465 | strv_free(argv); |
2105e76a LP |
1466 | strv_free(our_env); |
1467 | strv_free(final_env); | |
c952c6ec | 1468 | |
034c6ed7 | 1469 | if (timeout) |
acbb0225 | 1470 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1471 | |
1472 | return r; | |
1473 | } | |
1474 | ||
80876c20 LP |
1475 | static int main_pid_good(Service *s) { |
1476 | assert(s); | |
1477 | ||
1478 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1479 | * don't know */ | |
1480 | ||
1481 | /* If we know the pid file, then lets just check if it is | |
1482 | * still valid */ | |
1483 | if (s->main_pid_known) | |
1484 | return s->main_pid > 0; | |
1485 | ||
1486 | /* We don't know the pid */ | |
1487 | return -EAGAIN; | |
1488 | } | |
1489 | ||
1490 | static int control_pid_good(Service *s) { | |
1491 | assert(s); | |
1492 | ||
1493 | return s->control_pid > 0; | |
1494 | } | |
1495 | ||
1496 | static int cgroup_good(Service *s) { | |
1497 | int r; | |
1498 | ||
1499 | assert(s); | |
1500 | ||
4cd1fbcc | 1501 | if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0) |
80876c20 LP |
1502 | return r; |
1503 | ||
1504 | return !r; | |
1505 | } | |
1506 | ||
034c6ed7 LP |
1507 | static void service_enter_dead(Service *s, bool success, bool allow_restart) { |
1508 | int r; | |
1509 | assert(s); | |
1510 | ||
1511 | if (!success) | |
1512 | s->failure = true; | |
1513 | ||
1514 | if (allow_restart && | |
47342320 | 1515 | !s->forbid_restart && |
034c6ed7 LP |
1516 | (s->restart == SERVICE_RESTART_ALWAYS || |
1517 | (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure))) { | |
1518 | ||
acbb0225 | 1519 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1520 | goto fail; |
1521 | ||
1522 | service_set_state(s, SERVICE_AUTO_RESTART); | |
1523 | } else | |
18c78fb1 | 1524 | service_set_state(s, s->failure ? SERVICE_MAINTENANCE : SERVICE_DEAD); |
034c6ed7 | 1525 | |
47342320 LP |
1526 | s->forbid_restart = false; |
1527 | ||
034c6ed7 LP |
1528 | return; |
1529 | ||
1530 | fail: | |
4cd1fbcc | 1531 | log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1532 | service_enter_dead(s, false, false); |
1533 | } | |
1534 | ||
1535 | static void service_enter_signal(Service *s, ServiceState state, bool success); | |
1536 | ||
1537 | static void service_enter_stop_post(Service *s, bool success) { | |
1538 | int r; | |
1539 | assert(s); | |
1540 | ||
1541 | if (!success) | |
1542 | s->failure = true; | |
1543 | ||
5e94833f LP |
1544 | service_unwatch_control_pid(s); |
1545 | ||
a16e1123 | 1546 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
80876c20 | 1547 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
81a2b7ce LP |
1548 | if ((r = service_spawn(s, |
1549 | s->control_command, | |
1550 | true, | |
1551 | false, | |
1552 | !s->permissions_start_only, | |
1553 | !s->root_directory_start_only, | |
1e3ad081 | 1554 | true, |
c952c6ec | 1555 | false, |
81a2b7ce | 1556 | &s->control_pid)) < 0) |
034c6ed7 LP |
1557 | goto fail; |
1558 | ||
d6ea93e3 | 1559 | |
80876c20 LP |
1560 | service_set_state(s, SERVICE_STOP_POST); |
1561 | } else | |
1562 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, true); | |
034c6ed7 LP |
1563 | |
1564 | return; | |
1565 | ||
1566 | fail: | |
4cd1fbcc | 1567 | log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1568 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
1569 | } | |
1570 | ||
1571 | static void service_enter_signal(Service *s, ServiceState state, bool success) { | |
1572 | int r; | |
1573 | bool sent = false; | |
1574 | ||
1575 | assert(s); | |
1576 | ||
1577 | if (!success) | |
1578 | s->failure = true; | |
1579 | ||
2e22afe9 LP |
1580 | if (s->exec_context.kill_mode != KILL_NONE) { |
1581 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 1582 | |
2e22afe9 | 1583 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
034c6ed7 | 1584 | |
4cd1fbcc | 1585 | if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) { |
50159e6a LP |
1586 | if (r != -EAGAIN && r != -ESRCH) |
1587 | goto fail; | |
1588 | } else | |
034c6ed7 LP |
1589 | sent = true; |
1590 | } | |
1591 | ||
50159e6a LP |
1592 | if (!sent) { |
1593 | r = 0; | |
80876c20 | 1594 | |
50159e6a | 1595 | if (s->main_pid > 0) { |
2e22afe9 | 1596 | if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH) |
50159e6a LP |
1597 | r = -errno; |
1598 | else | |
1599 | sent = true; | |
1600 | } | |
1601 | ||
1602 | if (s->control_pid > 0) { | |
2e22afe9 | 1603 | if (kill(s->exec_context.kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH) |
50159e6a LP |
1604 | r = -errno; |
1605 | else | |
1606 | sent = true; | |
1607 | } | |
1608 | ||
1609 | if (r < 0) | |
1610 | goto fail; | |
1611 | } | |
d6ea93e3 | 1612 | } |
034c6ed7 | 1613 | |
e93bc5a6 | 1614 | if (sent && (s->main_pid > 0 || s->control_pid > 0)) { |
e558336f LP |
1615 | if (s->timeout_usec > 0) |
1616 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
1617 | goto fail; | |
d6ea93e3 | 1618 | |
80876c20 LP |
1619 | service_set_state(s, state); |
1620 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
1621 | service_enter_stop_post(s, true); | |
1622 | else | |
034c6ed7 LP |
1623 | service_enter_dead(s, true, true); |
1624 | ||
1625 | return; | |
1626 | ||
1627 | fail: | |
4cd1fbcc | 1628 | log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 1629 | |
80876c20 | 1630 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
034c6ed7 LP |
1631 | service_enter_stop_post(s, false); |
1632 | else | |
1633 | service_enter_dead(s, false, true); | |
1634 | } | |
1635 | ||
1636 | static void service_enter_stop(Service *s, bool success) { | |
1637 | int r; | |
5925dd3c | 1638 | |
034c6ed7 LP |
1639 | assert(s); |
1640 | ||
1641 | if (!success) | |
1642 | s->failure = true; | |
1643 | ||
5e94833f LP |
1644 | service_unwatch_control_pid(s); |
1645 | ||
a16e1123 | 1646 | s->control_command_id = SERVICE_EXEC_STOP; |
80876c20 | 1647 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
81a2b7ce LP |
1648 | if ((r = service_spawn(s, |
1649 | s->control_command, | |
1650 | true, | |
1651 | false, | |
1652 | !s->permissions_start_only, | |
1653 | !s->root_directory_start_only, | |
c952c6ec | 1654 | false, |
1e3ad081 | 1655 | false, |
e55224ca | 1656 | &s->control_pid)) < 0) |
034c6ed7 LP |
1657 | goto fail; |
1658 | ||
80876c20 LP |
1659 | service_set_state(s, SERVICE_STOP); |
1660 | } else | |
034c6ed7 LP |
1661 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); |
1662 | ||
1663 | return; | |
1664 | ||
1665 | fail: | |
4cd1fbcc | 1666 | log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1667 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1668 | } | |
1669 | ||
80876c20 | 1670 | static void service_enter_running(Service *s, bool success) { |
4eab639f | 1671 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
1672 | assert(s); |
1673 | ||
1674 | if (!success) | |
1675 | s->failure = true; | |
1676 | ||
4eab639f LP |
1677 | main_pid_ok = main_pid_good(s); |
1678 | cgroup_ok = cgroup_good(s); | |
1679 | ||
1680 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 1681 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 1682 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 1683 | else if (s->remain_after_exit) |
80876c20 LP |
1684 | service_set_state(s, SERVICE_EXITED); |
1685 | else | |
1686 | service_enter_stop(s, true); | |
1687 | } | |
1688 | ||
034c6ed7 LP |
1689 | static void service_enter_start_post(Service *s) { |
1690 | int r; | |
1691 | assert(s); | |
1692 | ||
5e94833f LP |
1693 | service_unwatch_control_pid(s); |
1694 | ||
a16e1123 | 1695 | s->control_command_id = SERVICE_EXEC_START_POST; |
80876c20 | 1696 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
81a2b7ce LP |
1697 | if ((r = service_spawn(s, |
1698 | s->control_command, | |
1699 | true, | |
1700 | false, | |
1701 | !s->permissions_start_only, | |
1702 | !s->root_directory_start_only, | |
c952c6ec | 1703 | false, |
1e3ad081 | 1704 | false, |
e55224ca | 1705 | &s->control_pid)) < 0) |
034c6ed7 LP |
1706 | goto fail; |
1707 | ||
80876c20 LP |
1708 | service_set_state(s, SERVICE_START_POST); |
1709 | } else | |
1710 | service_enter_running(s, true); | |
034c6ed7 LP |
1711 | |
1712 | return; | |
1713 | ||
1714 | fail: | |
4cd1fbcc | 1715 | log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1716 | service_enter_stop(s, false); |
1717 | } | |
1718 | ||
1719 | static void service_enter_start(Service *s) { | |
1720 | pid_t pid; | |
1721 | int r; | |
1722 | ||
1723 | assert(s); | |
1724 | ||
1725 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 1726 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 1727 | |
80876c20 LP |
1728 | if (s->type == SERVICE_FORKING) |
1729 | service_unwatch_control_pid(s); | |
1730 | else | |
1731 | service_unwatch_main_pid(s); | |
1732 | ||
34e9ba66 LP |
1733 | s->control_command_id = SERVICE_EXEC_START; |
1734 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
1735 | ||
81a2b7ce | 1736 | if ((r = service_spawn(s, |
34e9ba66 | 1737 | s->control_command, |
8c47c732 | 1738 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY, |
81a2b7ce LP |
1739 | true, |
1740 | true, | |
1741 | true, | |
1e3ad081 | 1742 | true, |
c952c6ec | 1743 | s->notify_access != NOTIFY_NONE, |
81a2b7ce | 1744 | &pid)) < 0) |
034c6ed7 LP |
1745 | goto fail; |
1746 | ||
1747 | if (s->type == SERVICE_SIMPLE) { | |
1748 | /* For simple services we immediately start | |
1749 | * the START_POST binaries. */ | |
1750 | ||
5925dd3c | 1751 | service_set_main_pid(s, pid); |
034c6ed7 LP |
1752 | service_enter_start_post(s); |
1753 | ||
1754 | } else if (s->type == SERVICE_FORKING) { | |
1755 | ||
1756 | /* For forking services we wait until the start | |
1757 | * process exited. */ | |
1758 | ||
e55224ca | 1759 | s->control_pid = pid; |
80876c20 LP |
1760 | service_set_state(s, SERVICE_START); |
1761 | ||
34e9ba66 | 1762 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
1763 | s->type == SERVICE_DBUS || |
1764 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 1765 | |
34e9ba66 | 1766 | /* For oneshot services we wait until the start |
7d55e835 LP |
1767 | * process exited, too, but it is our main process. */ |
1768 | ||
05e343b7 | 1769 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
1770 | * but wait for the bus name to appear on the |
1771 | * bus. Notify services are similar. */ | |
05e343b7 | 1772 | |
5925dd3c | 1773 | service_set_main_pid(s, pid); |
80876c20 | 1774 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
1775 | } else |
1776 | assert_not_reached("Unknown service type"); | |
1777 | ||
1778 | return; | |
1779 | ||
1780 | fail: | |
4cd1fbcc | 1781 | log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r)); |
80876c20 | 1782 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
1783 | } |
1784 | ||
1785 | static void service_enter_start_pre(Service *s) { | |
1786 | int r; | |
1787 | ||
1788 | assert(s); | |
1789 | ||
5e94833f LP |
1790 | service_unwatch_control_pid(s); |
1791 | ||
a16e1123 | 1792 | s->control_command_id = SERVICE_EXEC_START_PRE; |
80876c20 | 1793 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
81a2b7ce LP |
1794 | if ((r = service_spawn(s, |
1795 | s->control_command, | |
1796 | true, | |
1797 | false, | |
1798 | !s->permissions_start_only, | |
1799 | !s->root_directory_start_only, | |
1e3ad081 | 1800 | true, |
c952c6ec | 1801 | false, |
e55224ca | 1802 | &s->control_pid)) < 0) |
034c6ed7 LP |
1803 | goto fail; |
1804 | ||
80876c20 LP |
1805 | service_set_state(s, SERVICE_START_PRE); |
1806 | } else | |
034c6ed7 LP |
1807 | service_enter_start(s); |
1808 | ||
1809 | return; | |
1810 | ||
1811 | fail: | |
4cd1fbcc | 1812 | log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1813 | service_enter_dead(s, false, true); |
1814 | } | |
1815 | ||
1816 | static void service_enter_restart(Service *s) { | |
1817 | int r; | |
398ef8ba LP |
1818 | DBusError error; |
1819 | ||
034c6ed7 | 1820 | assert(s); |
398ef8ba | 1821 | dbus_error_init(&error); |
034c6ed7 | 1822 | |
9ea9a0c8 LP |
1823 | service_enter_dead(s, true, false); |
1824 | ||
398ef8ba | 1825 | if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL, NULL)) < 0) |
034c6ed7 LP |
1826 | goto fail; |
1827 | ||
4cd1fbcc | 1828 | log_debug("%s scheduled restart job.", s->meta.id); |
034c6ed7 LP |
1829 | return; |
1830 | ||
1831 | fail: | |
398ef8ba | 1832 | log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r)); |
034c6ed7 | 1833 | service_enter_dead(s, false, false); |
398ef8ba LP |
1834 | |
1835 | dbus_error_free(&error); | |
034c6ed7 LP |
1836 | } |
1837 | ||
1838 | static void service_enter_reload(Service *s) { | |
1839 | int r; | |
1840 | ||
1841 | assert(s); | |
1842 | ||
5e94833f LP |
1843 | service_unwatch_control_pid(s); |
1844 | ||
a16e1123 | 1845 | s->control_command_id = SERVICE_EXEC_RELOAD; |
80876c20 | 1846 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
81a2b7ce LP |
1847 | if ((r = service_spawn(s, |
1848 | s->control_command, | |
1849 | true, | |
1850 | false, | |
1851 | !s->permissions_start_only, | |
1852 | !s->root_directory_start_only, | |
c952c6ec | 1853 | false, |
1e3ad081 | 1854 | false, |
e55224ca | 1855 | &s->control_pid)) < 0) |
034c6ed7 LP |
1856 | goto fail; |
1857 | ||
80876c20 LP |
1858 | service_set_state(s, SERVICE_RELOAD); |
1859 | } else | |
1860 | service_enter_running(s, true); | |
034c6ed7 LP |
1861 | |
1862 | return; | |
1863 | ||
1864 | fail: | |
4cd1fbcc | 1865 | log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1866 | service_enter_stop(s, false); |
1867 | } | |
1868 | ||
34e9ba66 | 1869 | static void service_run_next_control(Service *s, bool success) { |
034c6ed7 LP |
1870 | int r; |
1871 | ||
1872 | assert(s); | |
1873 | assert(s->control_command); | |
1874 | assert(s->control_command->command_next); | |
1875 | ||
1876 | if (!success) | |
1877 | s->failure = true; | |
1878 | ||
34e9ba66 | 1879 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 1880 | |
34e9ba66 | 1881 | s->control_command = s->control_command->command_next; |
5e94833f LP |
1882 | service_unwatch_control_pid(s); |
1883 | ||
81a2b7ce LP |
1884 | if ((r = service_spawn(s, |
1885 | s->control_command, | |
1886 | true, | |
1887 | false, | |
1888 | !s->permissions_start_only, | |
1889 | !s->root_directory_start_only, | |
5830833f LP |
1890 | s->control_command_id == SERVICE_EXEC_START_PRE || |
1891 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
1e3ad081 | 1892 | false, |
e55224ca | 1893 | &s->control_pid)) < 0) |
034c6ed7 LP |
1894 | goto fail; |
1895 | ||
1896 | return; | |
1897 | ||
1898 | fail: | |
34e9ba66 | 1899 | log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 1900 | |
80876c20 LP |
1901 | if (s->state == SERVICE_START_PRE) |
1902 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
1903 | else if (s->state == SERVICE_STOP) | |
1904 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); | |
034c6ed7 LP |
1905 | else if (s->state == SERVICE_STOP_POST) |
1906 | service_enter_dead(s, false, true); | |
1907 | else | |
1908 | service_enter_stop(s, false); | |
5cb5a6ff LP |
1909 | } |
1910 | ||
34e9ba66 LP |
1911 | static void service_run_next_main(Service *s, bool success) { |
1912 | pid_t pid; | |
1913 | int r; | |
1914 | ||
1915 | assert(s); | |
1916 | assert(s->control_command); | |
1917 | assert(s->control_command->command_next); | |
1918 | ||
1919 | if (!success) | |
1920 | s->failure = true; | |
1921 | ||
1922 | assert(s->control_command_id == SERVICE_EXEC_START); | |
1923 | assert(s->type == SERVICE_ONESHOT); | |
1924 | ||
1925 | s->control_command = s->control_command->command_next; | |
1926 | service_unwatch_main_pid(s); | |
1927 | ||
1928 | if ((r = service_spawn(s, | |
1929 | s->control_command, | |
1930 | false, | |
1931 | true, | |
1932 | true, | |
1933 | true, | |
1934 | true, | |
1935 | s->notify_access != NOTIFY_NONE, | |
1936 | &pid)) < 0) | |
1937 | goto fail; | |
1938 | ||
1939 | service_set_main_pid(s, pid); | |
1940 | ||
1941 | return; | |
1942 | ||
1943 | fail: | |
1944 | log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r)); | |
1945 | service_enter_stop(s, false); | |
1946 | } | |
1947 | ||
87f0e418 LP |
1948 | static int service_start(Unit *u) { |
1949 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1950 | |
1951 | assert(s); | |
1952 | ||
034c6ed7 LP |
1953 | /* We cannot fulfill this request right now, try again later |
1954 | * please! */ | |
1955 | if (s->state == SERVICE_STOP || | |
1956 | s->state == SERVICE_STOP_SIGTERM || | |
1957 | s->state == SERVICE_STOP_SIGKILL || | |
1958 | s->state == SERVICE_STOP_POST || | |
1959 | s->state == SERVICE_FINAL_SIGTERM || | |
1960 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
1961 | return -EAGAIN; |
1962 | ||
034c6ed7 LP |
1963 | /* Already on it! */ |
1964 | if (s->state == SERVICE_START_PRE || | |
1965 | s->state == SERVICE_START || | |
1966 | s->state == SERVICE_START_POST) | |
1967 | return 0; | |
1968 | ||
18c78fb1 | 1969 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_MAINTENANCE || s->state == SERVICE_AUTO_RESTART); |
5cb5a6ff | 1970 | |
1e2e8133 LP |
1971 | /* Make sure we don't enter a busy loop of some kind. */ |
1972 | if (!ratelimit_test(&s->ratelimit)) { | |
9e2f7c11 | 1973 | log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id); |
d5159713 | 1974 | return -ECANCELED; |
1e2e8133 LP |
1975 | } |
1976 | ||
cac6f7c8 LP |
1977 | if ((s->exec_context.std_input == EXEC_INPUT_SOCKET || |
1978 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1979 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) && | |
1980 | s->socket_fd < 0) { | |
1981 | log_warning("%s can only be started with a per-connection socket.", u->meta.id); | |
1982 | return -EINVAL; | |
1983 | } | |
1984 | ||
034c6ed7 LP |
1985 | s->failure = false; |
1986 | s->main_pid_known = false; | |
47342320 | 1987 | s->forbid_restart = false; |
034c6ed7 LP |
1988 | |
1989 | service_enter_start_pre(s); | |
1990 | return 0; | |
5cb5a6ff LP |
1991 | } |
1992 | ||
87f0e418 LP |
1993 | static int service_stop(Unit *u) { |
1994 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
1995 | |
1996 | assert(s); | |
1997 | ||
3f6c78dc LP |
1998 | /* This is a user request, so don't do restarts on this |
1999 | * shutdown. */ | |
47342320 | 2000 | s->forbid_restart = true; |
034c6ed7 | 2001 | |
e537352b LP |
2002 | /* Already on it */ |
2003 | if (s->state == SERVICE_STOP || | |
2004 | s->state == SERVICE_STOP_SIGTERM || | |
2005 | s->state == SERVICE_STOP_SIGKILL || | |
2006 | s->state == SERVICE_STOP_POST || | |
2007 | s->state == SERVICE_FINAL_SIGTERM || | |
2008 | s->state == SERVICE_FINAL_SIGKILL) | |
2009 | return 0; | |
2010 | ||
3f6c78dc | 2011 | /* Don't allow a restart */ |
034c6ed7 LP |
2012 | if (s->state == SERVICE_AUTO_RESTART) { |
2013 | service_set_state(s, SERVICE_DEAD); | |
2014 | return 0; | |
2015 | } | |
2016 | ||
3f6c78dc LP |
2017 | /* If there's already something running we go directly into |
2018 | * kill mode. */ | |
2019 | if (s->state == SERVICE_START_PRE || | |
2020 | s->state == SERVICE_START || | |
2021 | s->state == SERVICE_START_POST || | |
2022 | s->state == SERVICE_RELOAD) { | |
2023 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); | |
2024 | return 0; | |
2025 | } | |
5cb5a6ff | 2026 | |
3f6c78dc LP |
2027 | assert(s->state == SERVICE_RUNNING || |
2028 | s->state == SERVICE_EXITED); | |
3a762661 | 2029 | |
034c6ed7 | 2030 | service_enter_stop(s, true); |
5cb5a6ff LP |
2031 | return 0; |
2032 | } | |
2033 | ||
87f0e418 LP |
2034 | static int service_reload(Unit *u) { |
2035 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2036 | |
2037 | assert(s); | |
2038 | ||
80876c20 | 2039 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2040 | |
2041 | service_enter_reload(s); | |
5cb5a6ff LP |
2042 | return 0; |
2043 | } | |
2044 | ||
87f0e418 LP |
2045 | static bool service_can_reload(Unit *u) { |
2046 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2047 | |
2048 | assert(s); | |
2049 | ||
2050 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2051 | } | |
2052 | ||
a16e1123 LP |
2053 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2054 | Service *s = SERVICE(u); | |
2055 | ||
2056 | assert(u); | |
2057 | assert(f); | |
2058 | assert(fds); | |
2059 | ||
2060 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
2061 | unit_serialize_item(u, f, "failure", yes_no(s->failure)); | |
2062 | ||
2063 | if (s->control_pid > 0) | |
5925dd3c | 2064 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2065 | |
5925dd3c LP |
2066 | if (s->main_pid_known && s->main_pid > 0) |
2067 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2068 | |
2069 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2070 | ||
3a2776bc LP |
2071 | if (s->status_text) |
2072 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2073 | ||
a16e1123 LP |
2074 | /* There's a minor uncleanliness here: if there are multiple |
2075 | * commands attached here, we will start from the first one | |
2076 | * again */ | |
2077 | if (s->control_command_id >= 0) | |
825636e5 | 2078 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2079 | |
2080 | if (s->socket_fd >= 0) { | |
2081 | int copy; | |
2082 | ||
2083 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2084 | return copy; | |
2085 | ||
2086 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2087 | } | |
2088 | ||
ecdbca40 LP |
2089 | if (s->main_exec_status.pid > 0) { |
2090 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
2091 | ||
2092 | if (s->main_exec_status.start_timestamp.realtime > 0) { | |
2093 | unit_serialize_item_format(u, f, "main-exec-status-start-realtime", | |
2094 | "%llu", (unsigned long long) s->main_exec_status.start_timestamp.realtime); | |
2095 | ||
2096 | unit_serialize_item_format(u, f, "main-exec-status-start-monotonic", | |
2097 | "%llu", (unsigned long long) s->main_exec_status.start_timestamp.monotonic); | |
2098 | } | |
2099 | ||
2100 | if (s->main_exec_status.exit_timestamp.realtime > 0) { | |
2101 | unit_serialize_item_format(u, f, "main-exec-status-exit-realtime", | |
2102 | "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.realtime); | |
2103 | unit_serialize_item_format(u, f, "main-exec-status-exit-monotonic", | |
2104 | "%llu", (unsigned long long) s->main_exec_status.exit_timestamp.monotonic); | |
2105 | ||
2106 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); | |
2107 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2108 | } | |
2109 | } | |
2110 | ||
a16e1123 LP |
2111 | return 0; |
2112 | } | |
2113 | ||
2114 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2115 | Service *s = SERVICE(u); | |
a16e1123 LP |
2116 | |
2117 | assert(u); | |
2118 | assert(key); | |
2119 | assert(value); | |
2120 | assert(fds); | |
2121 | ||
2122 | if (streq(key, "state")) { | |
2123 | ServiceState state; | |
2124 | ||
2125 | if ((state = service_state_from_string(value)) < 0) | |
2126 | log_debug("Failed to parse state value %s", value); | |
2127 | else | |
2128 | s->deserialized_state = state; | |
2129 | } else if (streq(key, "failure")) { | |
2130 | int b; | |
2131 | ||
2132 | if ((b = parse_boolean(value)) < 0) | |
2133 | log_debug("Failed to parse failure value %s", value); | |
2134 | else | |
2135 | s->failure = b || s->failure; | |
2136 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 2137 | pid_t pid; |
a16e1123 | 2138 | |
e364ad06 | 2139 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2140 | log_debug("Failed to parse control-pid value %s", value); |
2141 | else | |
e55224ca | 2142 | s->control_pid = pid; |
a16e1123 | 2143 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2144 | pid_t pid; |
a16e1123 | 2145 | |
e364ad06 | 2146 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2147 | log_debug("Failed to parse main-pid value %s", value); |
2148 | else | |
5925dd3c | 2149 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2150 | } else if (streq(key, "main-pid-known")) { |
2151 | int b; | |
2152 | ||
2153 | if ((b = parse_boolean(value)) < 0) | |
2154 | log_debug("Failed to parse main-pid-known value %s", value); | |
2155 | else | |
2156 | s->main_pid_known = b; | |
3a2776bc LP |
2157 | } else if (streq(key, "status-text")) { |
2158 | char *t; | |
2159 | ||
2160 | if ((t = strdup(value))) { | |
2161 | free(s->status_text); | |
2162 | s->status_text = t; | |
2163 | } | |
2164 | ||
a16e1123 LP |
2165 | } else if (streq(key, "control-command")) { |
2166 | ServiceExecCommand id; | |
2167 | ||
2168 | if ((id = service_exec_command_from_string(value)) < 0) | |
2169 | log_debug("Failed to parse exec-command value %s", value); | |
2170 | else { | |
2171 | s->control_command_id = id; | |
2172 | s->control_command = s->exec_command[id]; | |
2173 | } | |
2174 | } else if (streq(key, "socket-fd")) { | |
2175 | int fd; | |
2176 | ||
2177 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2178 | log_debug("Failed to parse socket-fd value %s", value); | |
2179 | else { | |
2180 | ||
2181 | if (s->socket_fd >= 0) | |
2182 | close_nointr_nofail(s->socket_fd); | |
2183 | s->socket_fd = fdset_remove(fds, fd); | |
2184 | } | |
ecdbca40 LP |
2185 | } else if (streq(key, "main-exec-status-pid")) { |
2186 | pid_t pid; | |
2187 | ||
e364ad06 | 2188 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2189 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2190 | else | |
2191 | s->main_exec_status.pid = pid; | |
2192 | } else if (streq(key, "main-exec-status-code")) { | |
2193 | int i; | |
2194 | ||
e364ad06 | 2195 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2196 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2197 | else | |
2198 | s->main_exec_status.code = i; | |
2199 | } else if (streq(key, "main-exec-status-status")) { | |
2200 | int i; | |
2201 | ||
e364ad06 | 2202 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2203 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2204 | else | |
2205 | s->main_exec_status.status = i; | |
2206 | } else if (streq(key, "main-exec-status-start-realtime")) { | |
2207 | uint64_t k; | |
2208 | ||
e364ad06 | 2209 | if (safe_atou64(value, &k) < 0) |
ecdbca40 LP |
2210 | log_debug("Failed to parse main-exec-status-start-realtime value %s", value); |
2211 | else | |
2212 | s->main_exec_status.start_timestamp.realtime = (usec_t) k; | |
2213 | } else if (streq(key, "main-exec-status-start-monotonic")) { | |
2214 | uint64_t k; | |
2215 | ||
e364ad06 | 2216 | if (safe_atou64(value, &k) < 0) |
ecdbca40 LP |
2217 | log_debug("Failed to parse main-exec-status-start-monotonic value %s", value); |
2218 | else | |
2219 | s->main_exec_status.start_timestamp.monotonic = (usec_t) k; | |
2220 | } else if (streq(key, "main-exec-status-exit-realtime")) { | |
2221 | uint64_t k; | |
2222 | ||
e364ad06 | 2223 | if (safe_atou64(value, &k) < 0) |
ecdbca40 LP |
2224 | log_debug("Failed to parse main-exec-status-exit-realtime value %s", value); |
2225 | else | |
2226 | s->main_exec_status.exit_timestamp.realtime = (usec_t) k; | |
2227 | } else if (streq(key, "main-exec-status-exit-monotonic")) { | |
2228 | uint64_t k; | |
2229 | ||
e364ad06 | 2230 | if (safe_atou64(value, &k) < 0) |
ecdbca40 LP |
2231 | log_debug("Failed to parse main-exec-status-exit-monotonic value %s", value); |
2232 | else | |
2233 | s->main_exec_status.exit_timestamp.monotonic = (usec_t) k; | |
a16e1123 LP |
2234 | } else |
2235 | log_debug("Unknown serialization key '%s'", key); | |
2236 | ||
2237 | return 0; | |
2238 | } | |
2239 | ||
87f0e418 LP |
2240 | static UnitActiveState service_active_state(Unit *u) { |
2241 | assert(u); | |
5cb5a6ff | 2242 | |
acbb0225 | 2243 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
2244 | } |
2245 | ||
10a94420 LP |
2246 | static const char *service_sub_state_to_string(Unit *u) { |
2247 | assert(u); | |
2248 | ||
2249 | return service_state_to_string(SERVICE(u)->state); | |
2250 | } | |
2251 | ||
701cc384 LP |
2252 | static bool service_check_gc(Unit *u) { |
2253 | Service *s = SERVICE(u); | |
2254 | ||
2255 | assert(s); | |
2256 | ||
2257 | return !!s->sysv_path; | |
2258 | } | |
2259 | ||
2260 | static bool service_check_snapshot(Unit *u) { | |
2261 | Service *s = SERVICE(u); | |
2262 | ||
2263 | assert(s); | |
2264 | ||
2265 | return !s->got_socket_fd; | |
2266 | } | |
2267 | ||
87f0e418 LP |
2268 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2269 | Service *s = SERVICE(u); | |
034c6ed7 | 2270 | bool success; |
5cb5a6ff LP |
2271 | |
2272 | assert(s); | |
034c6ed7 LP |
2273 | assert(pid >= 0); |
2274 | ||
d06dacd0 LP |
2275 | if (s->sysv_path) |
2276 | success = is_clean_exit_lsb(code, status); | |
2277 | else | |
2278 | success = is_clean_exit(code, status); | |
034c6ed7 LP |
2279 | |
2280 | if (s->main_pid == pid) { | |
2281 | ||
034c6ed7 | 2282 | s->main_pid = 0; |
34e9ba66 | 2283 | exec_status_exit(&s->main_exec_status, pid, code, status); |
034c6ed7 | 2284 | |
34e9ba66 LP |
2285 | if (s->type != SERVICE_FORKING && s->control_command) { |
2286 | s->control_command->exec_status = s->main_exec_status; | |
b708e7ce | 2287 | |
34e9ba66 | 2288 | if (s->control_command->ignore) |
b708e7ce | 2289 | success = true; |
034c6ed7 LP |
2290 | } |
2291 | ||
92abbefb LP |
2292 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
2293 | "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status); | |
b708e7ce | 2294 | s->failure = s->failure || !success; |
034c6ed7 | 2295 | |
34e9ba66 LP |
2296 | if (s->control_command && |
2297 | s->control_command->command_next && | |
2298 | success) { | |
034c6ed7 | 2299 | |
34e9ba66 LP |
2300 | /* There is another command to * |
2301 | * execute, so let's do that. */ | |
034c6ed7 | 2302 | |
34e9ba66 LP |
2303 | log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state)); |
2304 | service_run_next_main(s, success); | |
034c6ed7 | 2305 | |
34e9ba66 LP |
2306 | } else { |
2307 | ||
2308 | /* The service exited, so the service is officially | |
2309 | * gone. */ | |
2310 | ||
2311 | s->control_command = NULL; | |
2312 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2313 | ||
2314 | switch (s->state) { | |
2315 | ||
2316 | case SERVICE_START_POST: | |
2317 | case SERVICE_RELOAD: | |
2318 | case SERVICE_STOP: | |
2319 | /* Need to wait until the operation is | |
2320 | * done */ | |
c4653a4d | 2321 | break; |
7d55e835 | 2322 | |
34e9ba66 LP |
2323 | case SERVICE_START: |
2324 | if (s->type == SERVICE_ONESHOT) { | |
2325 | /* This was our main goal, so let's go on */ | |
2326 | if (success) | |
2327 | service_enter_start_post(s); | |
2328 | else | |
2329 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
2330 | break; | |
2331 | } else { | |
2332 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2333 | |
34e9ba66 LP |
2334 | /* Fall through */ |
2335 | } | |
034c6ed7 | 2336 | |
34e9ba66 LP |
2337 | case SERVICE_RUNNING: |
2338 | service_enter_running(s, success); | |
2339 | break; | |
034c6ed7 | 2340 | |
34e9ba66 LP |
2341 | case SERVICE_STOP_SIGTERM: |
2342 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2343 | |
34e9ba66 LP |
2344 | if (!control_pid_good(s)) |
2345 | service_enter_stop_post(s, success); | |
5cb5a6ff | 2346 | |
34e9ba66 LP |
2347 | /* If there is still a control process, wait for that first */ |
2348 | break; | |
2349 | ||
2350 | default: | |
2351 | assert_not_reached("Uh, main process died at wrong time."); | |
2352 | } | |
034c6ed7 | 2353 | } |
5cb5a6ff | 2354 | |
034c6ed7 | 2355 | } else if (s->control_pid == pid) { |
034c6ed7 | 2356 | |
34e9ba66 LP |
2357 | s->control_pid = 0; |
2358 | ||
b708e7ce | 2359 | if (s->control_command) { |
b58b4116 | 2360 | exec_status_exit(&s->control_command->exec_status, pid, code, status); |
a16e1123 | 2361 | |
b708e7ce LP |
2362 | if (s->control_command->ignore) |
2363 | success = true; | |
2364 | } | |
2365 | ||
34e9ba66 | 2366 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
92abbefb | 2367 | "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); |
b708e7ce | 2368 | s->failure = s->failure || !success; |
034c6ed7 | 2369 | |
34e9ba66 LP |
2370 | if (s->control_command && |
2371 | s->control_command->command_next && | |
2372 | success) { | |
034c6ed7 LP |
2373 | |
2374 | /* There is another command to * | |
2375 | * execute, so let's do that. */ | |
2376 | ||
34e9ba66 LP |
2377 | log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state)); |
2378 | service_run_next_control(s, success); | |
034c6ed7 | 2379 | |
80876c20 | 2380 | } else { |
034c6ed7 LP |
2381 | /* No further commands for this step, so let's |
2382 | * figure out what to do next */ | |
2383 | ||
a16e1123 LP |
2384 | s->control_command = NULL; |
2385 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2386 | ||
9e2f7c11 | 2387 | log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state)); |
bd982a8b | 2388 | |
034c6ed7 LP |
2389 | switch (s->state) { |
2390 | ||
2391 | case SERVICE_START_PRE: | |
2392 | if (success) | |
2393 | service_enter_start(s); | |
2394 | else | |
80876c20 | 2395 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2396 | break; |
2397 | ||
2398 | case SERVICE_START: | |
2399 | assert(s->type == SERVICE_FORKING); | |
2400 | ||
2401 | /* Let's try to load the pid | |
2402 | * file here if we can. We | |
2403 | * ignore the return value, | |
2404 | * since the PID file might | |
2405 | * actually be created by a | |
2406 | * START_POST script */ | |
2407 | ||
2408 | if (success) { | |
2409 | if (s->pid_file) | |
2410 | service_load_pid_file(s); | |
2411 | ||
2412 | service_enter_start_post(s); | |
2413 | } else | |
80876c20 | 2414 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2415 | |
2416 | break; | |
2417 | ||
2418 | case SERVICE_START_POST: | |
2419 | if (success && s->pid_file && !s->main_pid_known) { | |
2420 | int r; | |
2421 | ||
2422 | /* Hmm, let's see if we can | |
2423 | * load the pid now after the | |
2424 | * start-post scripts got | |
2425 | * executed. */ | |
2426 | ||
2427 | if ((r = service_load_pid_file(s)) < 0) | |
4cd1fbcc | 2428 | log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r)); |
034c6ed7 LP |
2429 | } |
2430 | ||
2431 | /* Fall through */ | |
2432 | ||
2433 | case SERVICE_RELOAD: | |
80876c20 LP |
2434 | if (success) |
2435 | service_enter_running(s, true); | |
2436 | else | |
034c6ed7 LP |
2437 | service_enter_stop(s, false); |
2438 | ||
2439 | break; | |
2440 | ||
2441 | case SERVICE_STOP: | |
80876c20 | 2442 | service_enter_signal(s, SERVICE_STOP_SIGTERM, success); |
034c6ed7 LP |
2443 | break; |
2444 | ||
2445 | case SERVICE_STOP_SIGTERM: | |
2446 | case SERVICE_STOP_SIGKILL: | |
2447 | if (main_pid_good(s) <= 0) | |
2448 | service_enter_stop_post(s, success); | |
2449 | ||
2450 | /* If there is still a service | |
2451 | * process around, wait until | |
2452 | * that one quit, too */ | |
2453 | break; | |
2454 | ||
2455 | case SERVICE_STOP_POST: | |
2456 | case SERVICE_FINAL_SIGTERM: | |
2457 | case SERVICE_FINAL_SIGKILL: | |
2458 | service_enter_dead(s, success, true); | |
2459 | break; | |
2460 | ||
2461 | default: | |
2462 | assert_not_reached("Uh, control process died at wrong time."); | |
2463 | } | |
2464 | } | |
8c47c732 | 2465 | } |
c4e2ceae LP |
2466 | |
2467 | /* Notify clients about changed exit status */ | |
2468 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
2469 | } |
2470 | ||
acbb0225 | 2471 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 2472 | Service *s = SERVICE(u); |
034c6ed7 LP |
2473 | |
2474 | assert(s); | |
2475 | assert(elapsed == 1); | |
2476 | ||
acbb0225 | 2477 | assert(w == &s->timer_watch); |
034c6ed7 LP |
2478 | |
2479 | switch (s->state) { | |
2480 | ||
2481 | case SERVICE_START_PRE: | |
2482 | case SERVICE_START: | |
9e2f7c11 | 2483 | log_warning("%s operation timed out. Terminating.", u->meta.id); |
80876c20 LP |
2484 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2485 | break; | |
2486 | ||
034c6ed7 LP |
2487 | case SERVICE_START_POST: |
2488 | case SERVICE_RELOAD: | |
9e2f7c11 | 2489 | log_warning("%s operation timed out. Stopping.", u->meta.id); |
034c6ed7 LP |
2490 | service_enter_stop(s, false); |
2491 | break; | |
2492 | ||
2493 | case SERVICE_STOP: | |
9e2f7c11 | 2494 | log_warning("%s stopping timed out. Terminating.", u->meta.id); |
034c6ed7 LP |
2495 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
2496 | break; | |
2497 | ||
2498 | case SERVICE_STOP_SIGTERM: | |
9e2f7c11 | 2499 | log_warning("%s stopping timed out. Killing.", u->meta.id); |
034c6ed7 LP |
2500 | service_enter_signal(s, SERVICE_STOP_SIGKILL, false); |
2501 | break; | |
2502 | ||
2503 | case SERVICE_STOP_SIGKILL: | |
2504 | /* Uh, wie sent a SIGKILL and it is still not gone? | |
2505 | * Must be something we cannot kill, so let's just be | |
2506 | * weirded out and continue */ | |
2507 | ||
9e2f7c11 | 2508 | log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id); |
034c6ed7 LP |
2509 | service_enter_stop_post(s, false); |
2510 | break; | |
2511 | ||
2512 | case SERVICE_STOP_POST: | |
9e2f7c11 | 2513 | log_warning("%s stopping timed out (2). Terminating.", u->meta.id); |
034c6ed7 LP |
2514 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2515 | break; | |
2516 | ||
2517 | case SERVICE_FINAL_SIGTERM: | |
9e2f7c11 | 2518 | log_warning("%s stopping timed out (2). Killing.", u->meta.id); |
034c6ed7 LP |
2519 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); |
2520 | break; | |
2521 | ||
2522 | case SERVICE_FINAL_SIGKILL: | |
18c78fb1 | 2523 | log_warning("%s still around after SIGKILL (2). Entering maintenance mode.", u->meta.id); |
034c6ed7 LP |
2524 | service_enter_dead(s, false, true); |
2525 | break; | |
2526 | ||
2527 | case SERVICE_AUTO_RESTART: | |
54165a39 | 2528 | log_info("%s holdoff time over, scheduling restart.", u->meta.id); |
034c6ed7 LP |
2529 | service_enter_restart(s); |
2530 | break; | |
2531 | ||
2532 | default: | |
2533 | assert_not_reached("Timeout at wrong time."); | |
2534 | } | |
5cb5a6ff LP |
2535 | } |
2536 | ||
8e274523 LP |
2537 | static void service_cgroup_notify_event(Unit *u) { |
2538 | Service *s = SERVICE(u); | |
2539 | ||
2540 | assert(u); | |
2541 | ||
9e2f7c11 | 2542 | log_debug("%s: cgroup is empty", u->meta.id); |
8e274523 LP |
2543 | |
2544 | switch (s->state) { | |
2545 | ||
2546 | /* Waiting for SIGCHLD is usually more interesting, | |
2547 | * because it includes return codes/signals. Which is | |
2548 | * why we ignore the cgroup events for most cases, | |
2549 | * except when we don't know pid which to expect the | |
2550 | * SIGCHLD for. */ | |
2551 | ||
2552 | case SERVICE_RUNNING: | |
80876c20 | 2553 | service_enter_running(s, true); |
8e274523 LP |
2554 | break; |
2555 | ||
2556 | default: | |
2557 | ; | |
2558 | } | |
2559 | } | |
2560 | ||
c952c6ec | 2561 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
2562 | Service *s = SERVICE(u); |
2563 | const char *e; | |
2564 | ||
2565 | assert(u); | |
2566 | ||
c952c6ec LP |
2567 | if (s->notify_access == NOTIFY_NONE) { |
2568 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
2569 | u->meta.id, (unsigned long) pid); | |
2570 | return; | |
2571 | } | |
2572 | ||
2573 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
2574 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
2575 | u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid); | |
2576 | return; | |
2577 | } | |
2578 | ||
8c47c732 LP |
2579 | log_debug("%s: Got message", u->meta.id); |
2580 | ||
2581 | /* Interpret MAINPID= */ | |
2582 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
2583 | (s->state == SERVICE_START || | |
2584 | s->state == SERVICE_START_POST || | |
2585 | s->state == SERVICE_RUNNING || | |
2586 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 2587 | |
5925dd3c | 2588 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 2589 | log_warning("Failed to parse notification message %s", e); |
8c47c732 LP |
2590 | else { |
2591 | log_debug("%s: got %s", u->meta.id, e); | |
5925dd3c | 2592 | service_set_main_pid(s, pid); |
8c47c732 LP |
2593 | } |
2594 | } | |
2595 | ||
2596 | /* Interpret READY= */ | |
2597 | if (s->type == SERVICE_NOTIFY && | |
2598 | s->state == SERVICE_START && | |
2599 | strv_find(tags, "READY=1")) { | |
2600 | log_debug("%s: got READY=1", u->meta.id); | |
2601 | ||
2602 | service_enter_start_post(s); | |
2603 | } | |
2604 | ||
2605 | /* Interpret STATUS= */ | |
2606 | if ((e = strv_find_prefix(tags, "STATUS="))) { | |
2607 | char *t; | |
2608 | ||
3a2776bc LP |
2609 | if (e[7]) { |
2610 | if (!(t = strdup(e+7))) { | |
2611 | log_error("Failed to allocate string."); | |
2612 | return; | |
2613 | } | |
2614 | ||
2615 | log_debug("%s: got %s", u->meta.id, e); | |
8c47c732 | 2616 | |
3a2776bc LP |
2617 | free(s->status_text); |
2618 | s->status_text = t; | |
2619 | } else { | |
2620 | free(s->status_text); | |
2621 | s->status_text = NULL; | |
2622 | } | |
8c47c732 | 2623 | |
8c47c732 | 2624 | } |
c4e2ceae LP |
2625 | |
2626 | /* Notify clients about changed status or main pid */ | |
2627 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
2628 | } |
2629 | ||
2c4104f0 | 2630 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
2631 | char **p; |
2632 | unsigned i; | |
2633 | DIR *d = NULL; | |
2634 | char *path = NULL, *fpath = NULL, *name = NULL; | |
2635 | int r; | |
2636 | ||
2637 | assert(m); | |
2638 | ||
84e3543e | 2639 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 2640 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
2641 | struct dirent *de; |
2642 | ||
2643 | free(path); | |
2644 | path = NULL; | |
09cd1ab1 | 2645 | if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) { |
2c4104f0 LP |
2646 | r = -ENOMEM; |
2647 | goto finish; | |
2648 | } | |
2649 | ||
2650 | if (d) | |
2651 | closedir(d); | |
2652 | ||
2653 | if (!(d = opendir(path))) { | |
2654 | if (errno != ENOENT) | |
2655 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
2656 | ||
2657 | continue; | |
2658 | } | |
2659 | ||
2660 | while ((de = readdir(d))) { | |
6542952f | 2661 | Unit *service; |
db06e3b6 | 2662 | int a, b; |
2c4104f0 LP |
2663 | |
2664 | if (ignore_file(de->d_name)) | |
2665 | continue; | |
2666 | ||
2667 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
2668 | continue; | |
2669 | ||
2670 | if (strlen(de->d_name) < 4) | |
2671 | continue; | |
2672 | ||
db06e3b6 LP |
2673 | a = undecchar(de->d_name[1]); |
2674 | b = undecchar(de->d_name[2]); | |
2675 | ||
2676 | if (a < 0 || b < 0) | |
2677 | continue; | |
2678 | ||
2c4104f0 LP |
2679 | free(fpath); |
2680 | fpath = NULL; | |
09cd1ab1 | 2681 | if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) { |
2c4104f0 LP |
2682 | r = -ENOMEM; |
2683 | goto finish; | |
2684 | } | |
2685 | ||
2686 | if (access(fpath, X_OK) < 0) { | |
2687 | ||
2688 | if (errno != ENOENT) | |
2689 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
2690 | ||
2691 | continue; | |
2692 | } | |
2693 | ||
2694 | free(name); | |
b7ccee3c | 2695 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
2696 | r = -ENOMEM; |
2697 | goto finish; | |
2698 | } | |
2699 | ||
398ef8ba | 2700 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
2701 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
2702 | continue; | |
2703 | } | |
2c4104f0 | 2704 | |
09cd1ab1 | 2705 | if (de->d_name[0] == 'S' && |
5de6b302 | 2706 | (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT)) { |
fbe9f3a9 LP |
2707 | SERVICE(service)->sysv_start_priority = |
2708 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority); | |
5de6b302 LP |
2709 | SERVICE(service)->sysv_enabled = true; |
2710 | } | |
db06e3b6 LP |
2711 | |
2712 | manager_dispatch_load_queue(m); | |
2713 | service = unit_follow_merge(service); | |
2714 | ||
f8820b62 LP |
2715 | /* If this is a native service, rely |
2716 | * on native ways to pull in a | |
2717 | * service, don't pull it in via sysv | |
2718 | * rcN.d links. */ | |
2719 | if (service->meta.fragment_path) | |
2720 | continue; | |
2721 | ||
2c4104f0 | 2722 | if (de->d_name[0] == 'S') { |
2c4104f0 | 2723 | |
2c966c03 | 2724 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) |
2c4104f0 | 2725 | goto finish; |
23a177ef | 2726 | |
fc5df99e LP |
2727 | } else if (de->d_name[0] == 'K' && |
2728 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
2729 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 2730 | |
23a177ef LP |
2731 | /* We honour K links only for |
2732 | * halt/reboot. For the normal | |
2733 | * runlevels we assume the | |
2734 | * stop jobs will be | |
2735 | * implicitly added by the | |
6542952f LP |
2736 | * core logic. Also, we don't |
2737 | * really distuingish here | |
2738 | * between the runlevels 0 and | |
2739 | * 6 and just add them to the | |
fc5df99e LP |
2740 | * special shutdown target. On |
2741 | * SUSE the boot.d/ runlevel | |
2742 | * is also used for shutdown, | |
2743 | * so we add links for that | |
2744 | * too to the shutdown | |
2745 | * target.*/ | |
6542952f | 2746 | |
2c966c03 | 2747 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
2c4104f0 LP |
2748 | goto finish; |
2749 | } | |
2750 | } | |
2751 | } | |
2752 | ||
2753 | r = 0; | |
2754 | ||
2755 | finish: | |
2756 | free(path); | |
2757 | free(fpath); | |
2758 | free(name); | |
fbe9f3a9 LP |
2759 | |
2760 | if (d) | |
2761 | closedir(d); | |
2c4104f0 LP |
2762 | |
2763 | return r; | |
2764 | } | |
2765 | ||
05e343b7 LP |
2766 | static void service_bus_name_owner_change( |
2767 | Unit *u, | |
2768 | const char *name, | |
2769 | const char *old_owner, | |
2770 | const char *new_owner) { | |
2771 | ||
2772 | Service *s = SERVICE(u); | |
2773 | ||
2774 | assert(s); | |
2775 | assert(name); | |
2776 | ||
2777 | assert(streq(s->bus_name, name)); | |
2778 | assert(old_owner || new_owner); | |
2779 | ||
2780 | if (old_owner && new_owner) | |
2781 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner); | |
2782 | else if (old_owner) | |
2783 | log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner); | |
2784 | else | |
2785 | log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner); | |
2786 | ||
2787 | s->bus_name_good = !!new_owner; | |
2788 | ||
2789 | if (s->type == SERVICE_DBUS) { | |
2790 | ||
2791 | /* service_enter_running() will figure out what to | |
2792 | * do */ | |
2793 | if (s->state == SERVICE_RUNNING) | |
2794 | service_enter_running(s, true); | |
2795 | else if (s->state == SERVICE_START && new_owner) | |
2796 | service_enter_start_post(s); | |
2797 | ||
2798 | } else if (new_owner && | |
2799 | s->main_pid <= 0 && | |
2800 | (s->state == SERVICE_START || | |
2801 | s->state == SERVICE_START_POST || | |
2802 | s->state == SERVICE_RUNNING || | |
2803 | s->state == SERVICE_RELOAD)) { | |
2804 | ||
2805 | /* Try to acquire PID from bus service */ | |
2806 | log_debug("Trying to acquire PID from D-Bus name..."); | |
2807 | ||
2808 | bus_query_pid(u->meta.manager, name); | |
2809 | } | |
2810 | } | |
2811 | ||
2812 | static void service_bus_query_pid_done( | |
2813 | Unit *u, | |
2814 | const char *name, | |
2815 | pid_t pid) { | |
2816 | ||
2817 | Service *s = SERVICE(u); | |
2818 | ||
2819 | assert(s); | |
2820 | assert(name); | |
2821 | ||
2822 | log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid); | |
2823 | ||
2824 | if (s->main_pid <= 0 && | |
2825 | (s->state == SERVICE_START || | |
2826 | s->state == SERVICE_START_POST || | |
2827 | s->state == SERVICE_RUNNING || | |
2828 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 2829 | service_set_main_pid(s, pid); |
05e343b7 LP |
2830 | } |
2831 | ||
6cf6bbc2 | 2832 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
4f2d528d LP |
2833 | assert(s); |
2834 | assert(fd >= 0); | |
2835 | ||
2836 | /* This is called by the socket code when instantiating a new | |
2837 | * service for a stream socket and the socket needs to be | |
2838 | * configured. */ | |
2839 | ||
4cd1fbcc | 2840 | if (s->meta.load_state != UNIT_LOADED) |
4f2d528d LP |
2841 | return -EINVAL; |
2842 | ||
2843 | if (s->socket_fd >= 0) | |
2844 | return -EBUSY; | |
2845 | ||
2846 | if (s->state != SERVICE_DEAD) | |
2847 | return -EAGAIN; | |
2848 | ||
2849 | s->socket_fd = fd; | |
701cc384 | 2850 | s->got_socket_fd = true; |
6cf6bbc2 LP |
2851 | s->socket = sock; |
2852 | ||
4f2d528d LP |
2853 | return 0; |
2854 | } | |
2855 | ||
5632e374 LP |
2856 | static void service_reset_maintenance(Unit *u) { |
2857 | Service *s = SERVICE(u); | |
2858 | ||
2859 | assert(s); | |
2860 | ||
2861 | if (s->state == SERVICE_MAINTENANCE) | |
2862 | service_set_state(s, SERVICE_DEAD); | |
2863 | ||
2864 | s->failure = false; | |
2865 | } | |
2866 | ||
94f04347 LP |
2867 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
2868 | [SERVICE_DEAD] = "dead", | |
2869 | [SERVICE_START_PRE] = "start-pre", | |
2870 | [SERVICE_START] = "start", | |
2871 | [SERVICE_START_POST] = "start-post", | |
2872 | [SERVICE_RUNNING] = "running", | |
80876c20 | 2873 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
2874 | [SERVICE_RELOAD] = "reload", |
2875 | [SERVICE_STOP] = "stop", | |
2876 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
2877 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
2878 | [SERVICE_STOP_POST] = "stop-post", | |
2879 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
2880 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
18c78fb1 | 2881 | [SERVICE_MAINTENANCE] = "maintenance", |
94f04347 LP |
2882 | [SERVICE_AUTO_RESTART] = "auto-restart", |
2883 | }; | |
2884 | ||
2885 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
2886 | ||
2887 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
2888 | [SERVICE_ONCE] = "once", | |
2889 | [SERVICE_RESTART_ON_SUCCESS] = "restart-on-success", | |
40531a55 | 2890 | [SERVICE_RESTART_ALWAYS] = "restart-always", |
94f04347 LP |
2891 | }; |
2892 | ||
2893 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
2894 | ||
2895 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 2896 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 2897 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 2898 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 LP |
2899 | [SERVICE_DBUS] = "dbus", |
2900 | [SERVICE_NOTIFY] = "notify" | |
94f04347 LP |
2901 | }; |
2902 | ||
2903 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
2904 | ||
e537352b | 2905 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
2906 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
2907 | [SERVICE_EXEC_START] = "ExecStart", | |
2908 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
2909 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
2910 | [SERVICE_EXEC_STOP] = "ExecStop", | |
2911 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
2912 | }; | |
2913 | ||
2914 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
2915 | ||
c952c6ec LP |
2916 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
2917 | [NOTIFY_NONE] = "none", | |
2918 | [NOTIFY_MAIN] = "main", | |
2919 | [NOTIFY_ALL] = "all" | |
2920 | }; | |
2921 | ||
2922 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
2923 | ||
87f0e418 | 2924 | const UnitVTable service_vtable = { |
5cb5a6ff | 2925 | .suffix = ".service", |
9e58ff9c | 2926 | .show_status = true, |
5cb5a6ff | 2927 | |
034c6ed7 LP |
2928 | .init = service_init, |
2929 | .done = service_done, | |
a16e1123 LP |
2930 | .load = service_load, |
2931 | ||
2932 | .coldplug = service_coldplug, | |
034c6ed7 | 2933 | |
5cb5a6ff LP |
2934 | .dump = service_dump, |
2935 | ||
2936 | .start = service_start, | |
2937 | .stop = service_stop, | |
2938 | .reload = service_reload, | |
2939 | ||
034c6ed7 LP |
2940 | .can_reload = service_can_reload, |
2941 | ||
a16e1123 LP |
2942 | .serialize = service_serialize, |
2943 | .deserialize_item = service_deserialize_item, | |
2944 | ||
5cb5a6ff | 2945 | .active_state = service_active_state, |
10a94420 | 2946 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 2947 | |
701cc384 LP |
2948 | .check_gc = service_check_gc, |
2949 | .check_snapshot = service_check_snapshot, | |
2950 | ||
034c6ed7 LP |
2951 | .sigchld_event = service_sigchld_event, |
2952 | .timer_event = service_timer_event, | |
2c4104f0 | 2953 | |
5632e374 LP |
2954 | .reset_maintenance = service_reset_maintenance, |
2955 | ||
8e274523 | 2956 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 2957 | .notify_message = service_notify_message, |
8e274523 | 2958 | |
05e343b7 LP |
2959 | .bus_name_owner_change = service_bus_name_owner_change, |
2960 | .bus_query_pid_done = service_bus_query_pid_done, | |
2961 | ||
c4e2ceae | 2962 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 2963 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 2964 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 2965 | |
2c4104f0 | 2966 | .enumerate = service_enumerate |
5cb5a6ff | 2967 | }; |