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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
5cb5a6ff | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
5cb5a6ff | 22 | #include <errno.h> |
034c6ed7 | 23 | #include <signal.h> |
2c4104f0 LP |
24 | #include <dirent.h> |
25 | #include <unistd.h> | |
5cb5a6ff | 26 | |
87f0e418 | 27 | #include "unit.h" |
5cb5a6ff LP |
28 | #include "service.h" |
29 | #include "load-fragment.h" | |
30 | #include "load-dropin.h" | |
034c6ed7 | 31 | #include "log.h" |
2c4104f0 | 32 | #include "strv.h" |
9e2f7c11 | 33 | #include "unit-name.h" |
4139c1b2 | 34 | #include "dbus-service.h" |
514f4ef5 | 35 | #include "special.h" |
398ef8ba | 36 | #include "bus-errors.h" |
2c4104f0 LP |
37 | |
38 | #define COMMENTS "#;\n" | |
39 | #define NEWLINES "\n\r" | |
034c6ed7 | 40 | |
07459bb6 | 41 | #ifdef HAVE_SYSV_COMPAT |
f34277d9 LP |
42 | |
43 | #define DEFAULT_SYSV_TIMEOUT_USEC (3*USEC_PER_MINUTE) | |
44 | ||
09cd1ab1 LP |
45 | typedef enum RunlevelType { |
46 | RUNLEVEL_UP, | |
47 | RUNLEVEL_DOWN, | |
fc5df99e | 48 | RUNLEVEL_SYSINIT |
09cd1ab1 LP |
49 | } RunlevelType; |
50 | ||
51 | static const struct { | |
52 | const char *path; | |
53 | const char *target; | |
54 | const RunlevelType type; | |
55 | } rcnd_table[] = { | |
9d25f5ed | 56 | /* Standard SysV runlevels for start-up */ |
514f4ef5 | 57 | { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP }, |
fbe9f3a9 LP |
58 | { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP }, |
59 | { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP }, | |
60 | { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP }, | |
61 | { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP }, | |
fbe9f3a9 | 62 | |
d4054675 | 63 | #ifdef TARGET_SUSE |
cfe243e3 | 64 | /* SUSE style boot.d */ |
fc5df99e | 65 | { "boot.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 66 | #endif |
fbe9f3a9 | 67 | |
f5c88ec1 | 68 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) || defined(TARGET_FRUGALWARE) |
fbe9f3a9 | 69 | /* Debian style rcS.d */ |
fc5df99e | 70 | { "rcS.d", SPECIAL_SYSINIT_TARGET, RUNLEVEL_SYSINIT }, |
d4054675 | 71 | #endif |
9d25f5ed LP |
72 | |
73 | /* Standard SysV runlevels for shutdown */ | |
74 | { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN }, | |
75 | { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN } | |
76 | ||
77 | /* Note that the order here matters, as we read the | |
78 | directories in this order, and we want to make sure that | |
79 | sysv_start_priority is known when we first load the | |
80 | unit. And that value we only know from S links. Hence | |
81 | UP/SYSINIT must be read before DOWN */ | |
23a177ef LP |
82 | }; |
83 | ||
09cd1ab1 | 84 | #define RUNLEVELS_UP "12345" |
fbe9f3a9 LP |
85 | /* #define RUNLEVELS_DOWN "06" */ |
86 | /* #define RUNLEVELS_BOOT "bBsS" */ | |
07459bb6 | 87 | #endif |
09cd1ab1 | 88 | |
acbb0225 | 89 | static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { |
87f0e418 LP |
90 | [SERVICE_DEAD] = UNIT_INACTIVE, |
91 | [SERVICE_START_PRE] = UNIT_ACTIVATING, | |
92 | [SERVICE_START] = UNIT_ACTIVATING, | |
93 | [SERVICE_START_POST] = UNIT_ACTIVATING, | |
94 | [SERVICE_RUNNING] = UNIT_ACTIVE, | |
80876c20 | 95 | [SERVICE_EXITED] = UNIT_ACTIVE, |
032ff4af | 96 | [SERVICE_RELOAD] = UNIT_RELOADING, |
87f0e418 LP |
97 | [SERVICE_STOP] = UNIT_DEACTIVATING, |
98 | [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, | |
99 | [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, | |
100 | [SERVICE_STOP_POST] = UNIT_DEACTIVATING, | |
101 | [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, | |
102 | [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, | |
fdf20a31 | 103 | [SERVICE_FAILED] = UNIT_FAILED, |
6124958c | 104 | [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING |
034c6ed7 | 105 | }; |
5cb5a6ff | 106 | |
a16e1123 LP |
107 | static void service_init(Unit *u) { |
108 | Service *s = SERVICE(u); | |
109 | ||
110 | assert(u); | |
111 | assert(u->meta.load_state == UNIT_STUB); | |
112 | ||
113 | s->timeout_usec = DEFAULT_TIMEOUT_USEC; | |
114 | s->restart_usec = DEFAULT_RESTART_USEC; | |
115 | s->timer_watch.type = WATCH_INVALID; | |
07459bb6 | 116 | #ifdef HAVE_SYSV_COMPAT |
a16e1123 | 117 | s->sysv_start_priority = -1; |
07459bb6 | 118 | #endif |
a16e1123 LP |
119 | s->socket_fd = -1; |
120 | ||
121 | exec_context_init(&s->exec_context); | |
122 | ||
123 | RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5); | |
124 | ||
125 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
126 | } | |
127 | ||
5e94833f LP |
128 | static void service_unwatch_control_pid(Service *s) { |
129 | assert(s); | |
130 | ||
131 | if (s->control_pid <= 0) | |
132 | return; | |
133 | ||
134 | unit_unwatch_pid(UNIT(s), s->control_pid); | |
135 | s->control_pid = 0; | |
136 | } | |
137 | ||
138 | static void service_unwatch_main_pid(Service *s) { | |
139 | assert(s); | |
140 | ||
141 | if (s->main_pid <= 0) | |
142 | return; | |
143 | ||
144 | unit_unwatch_pid(UNIT(s), s->main_pid); | |
145 | s->main_pid = 0; | |
146 | } | |
147 | ||
5925dd3c | 148 | static int service_set_main_pid(Service *s, pid_t pid) { |
e55224ca LP |
149 | pid_t ppid; |
150 | ||
5925dd3c LP |
151 | assert(s); |
152 | ||
153 | if (pid <= 1) | |
154 | return -EINVAL; | |
155 | ||
156 | if (pid == getpid()) | |
157 | return -EINVAL; | |
158 | ||
e55224ca LP |
159 | if (get_parent_of_pid(pid, &ppid) >= 0 && ppid != getpid()) |
160 | log_warning("%s: Supervising process %lu which is not our child. We'll most likely not notice when it exits.", | |
161 | s->meta.id, (unsigned long) pid); | |
162 | ||
5925dd3c LP |
163 | s->main_pid = pid; |
164 | s->main_pid_known = true; | |
165 | ||
b58b4116 LP |
166 | exec_status_start(&s->main_exec_status, pid); |
167 | ||
5925dd3c LP |
168 | return 0; |
169 | } | |
170 | ||
4f2d528d LP |
171 | static void service_close_socket_fd(Service *s) { |
172 | assert(s); | |
173 | ||
174 | if (s->socket_fd < 0) | |
175 | return; | |
176 | ||
177 | close_nointr_nofail(s->socket_fd); | |
178 | s->socket_fd = -1; | |
179 | } | |
180 | ||
6cf6bbc2 LP |
181 | static void service_connection_unref(Service *s) { |
182 | assert(s); | |
183 | ||
f976f3f6 | 184 | if (!s->accept_socket) |
6cf6bbc2 LP |
185 | return; |
186 | ||
f976f3f6 LP |
187 | socket_connection_unref(s->accept_socket); |
188 | s->accept_socket = NULL; | |
6cf6bbc2 LP |
189 | } |
190 | ||
87f0e418 LP |
191 | static void service_done(Unit *u) { |
192 | Service *s = SERVICE(u); | |
44d8db9e LP |
193 | |
194 | assert(s); | |
195 | ||
196 | free(s->pid_file); | |
197 | s->pid_file = NULL; | |
198 | ||
07459bb6 | 199 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
200 | free(s->sysv_path); |
201 | s->sysv_path = NULL; | |
202 | ||
8309400a LP |
203 | free(s->sysv_runlevels); |
204 | s->sysv_runlevels = NULL; | |
07459bb6 | 205 | #endif |
8309400a | 206 | |
8c47c732 LP |
207 | free(s->status_text); |
208 | s->status_text = NULL; | |
209 | ||
44d8db9e | 210 | exec_context_done(&s->exec_context); |
e537352b | 211 | exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX); |
44d8db9e LP |
212 | s->control_command = NULL; |
213 | ||
214 | /* This will leak a process, but at least no memory or any of | |
215 | * our resources */ | |
5e94833f LP |
216 | service_unwatch_main_pid(s); |
217 | service_unwatch_control_pid(s); | |
44d8db9e | 218 | |
05e343b7 LP |
219 | if (s->bus_name) { |
220 | unit_unwatch_bus_name(UNIT(u), s->bus_name); | |
221 | free(s->bus_name); | |
222 | s->bus_name = NULL; | |
223 | } | |
224 | ||
4f2d528d | 225 | service_close_socket_fd(s); |
6cf6bbc2 | 226 | service_connection_unref(s); |
4f2d528d | 227 | |
f976f3f6 LP |
228 | set_free(s->configured_sockets); |
229 | ||
acbb0225 | 230 | unit_unwatch_timer(u, &s->timer_watch); |
44d8db9e LP |
231 | } |
232 | ||
07459bb6 | 233 | #ifdef HAVE_SYSV_COMPAT |
b7ccee3c LP |
234 | static char *sysv_translate_name(const char *name) { |
235 | char *r; | |
236 | ||
237 | if (!(r = new(char, strlen(name) + sizeof(".service")))) | |
238 | return NULL; | |
239 | ||
5b819198 MB |
240 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
241 | if (endswith(name, ".sh")) | |
242 | /* Drop Debian-style .sh suffix */ | |
243 | strcpy(stpcpy(r, name) - 3, ".service"); | |
244 | #endif | |
245 | #ifdef TARGET_SUSE | |
b7ccee3c LP |
246 | if (startswith(name, "boot.")) |
247 | /* Drop SuSE-style boot. prefix */ | |
248 | strcpy(stpcpy(r, name + 5), ".service"); | |
5b819198 | 249 | #endif |
980900c1 | 250 | #ifdef TARGET_ARCH |
5b819198 | 251 | if (startswith(name, "@")) |
9f151f29 LP |
252 | /* Drop Arch-style background prefix */ |
253 | strcpy(stpcpy(r, name + 1), ".service"); | |
65530632 MV |
254 | #endif |
255 | #ifdef TARGET_FRUGALWARE | |
5b819198 | 256 | if (startswith(name, "rc.")) |
65530632 MV |
257 | /* Drop Frugalware-style rc. prefix */ |
258 | strcpy(stpcpy(r, name + 3), ".service"); | |
980900c1 | 259 | #endif |
b7ccee3c LP |
260 | else |
261 | /* Normal init scripts */ | |
262 | strcpy(stpcpy(r, name), ".service"); | |
263 | ||
264 | return r; | |
265 | } | |
266 | ||
ee95669f | 267 | static int sysv_translate_facility(const char *name, const char *filename, char **_r) { |
2c4104f0 | 268 | |
a7d3cc26 LP |
269 | /* We silently ignore the $ prefix here. According to the LSB |
270 | * spec it simply indicates whether something is a | |
271 | * standardized name or a distribution-specific one. Since we | |
272 | * just follow what already exists and do not introduce new | |
273 | * uses or names we don't care who introduced a new name. */ | |
274 | ||
2c4104f0 | 275 | static const char * const table[] = { |
6464aa08 | 276 | /* LSB defined facilities */ |
a7d3cc26 LP |
277 | "local_fs", SPECIAL_LOCAL_FS_TARGET, |
278 | "network", SPECIAL_NETWORK_TARGET, | |
279 | "named", SPECIAL_NSS_LOOKUP_TARGET, | |
280 | "portmap", SPECIAL_RPCBIND_TARGET, | |
281 | "remote_fs", SPECIAL_REMOTE_FS_TARGET, | |
282 | "syslog", SPECIAL_SYSLOG_TARGET, | |
283 | "time", SPECIAL_RTC_SET_TARGET, | |
6464aa08 | 284 | |
0b603b4e KS |
285 | /* common extensions */ |
286 | "mail-transfer-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
287 | "x-display-manager", SPECIAL_DISPLAY_MANAGER_SERVICE, | |
288 | "null", NULL, | |
289 | ||
858dae18 | 290 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
a7d3cc26 | 291 | "mail-transport-agent", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
3177a49c | 292 | #endif |
3177a49c LP |
293 | |
294 | #ifdef TARGET_FEDORA | |
a7d3cc26 LP |
295 | "MTA", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, |
296 | "smtpdaemon", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
297 | "httpd", SPECIAL_HTTP_DAEMON_TARGET, | |
3177a49c | 298 | #endif |
a7d3cc26 | 299 | |
0b603b4e KS |
300 | #ifdef TARGET_SUSE |
301 | "smtp", SPECIAL_MAIL_TRANSFER_AGENT_TARGET, | |
302 | #endif | |
2c4104f0 LP |
303 | }; |
304 | ||
305 | unsigned i; | |
306 | char *r; | |
ee95669f | 307 | const char *n; |
2c4104f0 | 308 | |
ee95669f LP |
309 | assert(name); |
310 | assert(_r); | |
a7d3cc26 | 311 | |
ee95669f | 312 | n = *name == '$' ? name + 1 : name; |
a7d3cc26 | 313 | |
ee95669f | 314 | for (i = 0; i < ELEMENTSOF(table); i += 2) { |
a7d3cc26 | 315 | |
ee95669f LP |
316 | if (!streq(table[i], n)) |
317 | continue; | |
2c4104f0 | 318 | |
ee95669f LP |
319 | if (!table[i+1]) |
320 | return 0; | |
321 | ||
322 | if (!(r = strdup(table[i+1]))) | |
323 | return -ENOMEM; | |
324 | ||
325 | goto finish; | |
326 | } | |
2c4104f0 | 327 | |
a7d3cc26 | 328 | /* If we don't know this name, fallback heuristics to figure |
0003d1ab | 329 | * out whether something is a target or a service alias. */ |
a7d3cc26 | 330 | |
2c4104f0 | 331 | if (*name == '$') |
ee95669f LP |
332 | /* Facilities starting with $ are most likely targets */ |
333 | r = unit_name_build(n, NULL, ".target"); | |
334 | else if (filename && streq(name, filename)) | |
335 | /* Names equalling the file name of the services are redundant */ | |
336 | return 0; | |
32159d3a | 337 | else |
ee95669f LP |
338 | /* Everything else we assume to be normal service names */ |
339 | r = sysv_translate_name(n); | |
2c4104f0 | 340 | |
32159d3a | 341 | if (!r) |
2c4104f0 LP |
342 | return -ENOMEM; |
343 | ||
344 | finish: | |
345 | ||
346 | if (_r) | |
347 | *_r = r; | |
348 | ||
349 | return 1; | |
350 | } | |
351 | ||
56d748b4 | 352 | static int sysv_fix_order(Service *s) { |
2c4104f0 LP |
353 | Meta *other; |
354 | int r; | |
355 | ||
356 | assert(s); | |
357 | ||
358 | if (s->sysv_start_priority < 0) | |
359 | return 0; | |
360 | ||
23a177ef LP |
361 | /* For each pair of services where at least one lacks a LSB |
362 | * header, we use the start priority value to order things. */ | |
2c4104f0 | 363 | |
4cd1fbcc | 364 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { |
2c4104f0 LP |
365 | Service *t; |
366 | UnitDependency d; | |
eeaafddc | 367 | bool special_s, special_t; |
2c4104f0 LP |
368 | |
369 | t = (Service*) other; | |
370 | ||
371 | if (s == t) | |
372 | continue; | |
9f151f29 LP |
373 | |
374 | if (t->meta.load_state != UNIT_LOADED) | |
375 | continue; | |
2c4104f0 LP |
376 | |
377 | if (t->sysv_start_priority < 0) | |
378 | continue; | |
379 | ||
51a1a79d LP |
380 | /* If both units have modern headers we don't care |
381 | * about the priorities */ | |
f21781d5 LP |
382 | if ((s->meta.fragment_path || s->sysv_has_lsb) && |
383 | (t->meta.fragment_path || t->sysv_has_lsb)) | |
23a177ef LP |
384 | continue; |
385 | ||
eeaafddc LP |
386 | special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels); |
387 | special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels); | |
388 | ||
389 | if (special_t && !special_s) | |
390 | d = UNIT_AFTER; | |
391 | else if (special_s && !special_t) | |
392 | d = UNIT_BEFORE; | |
393 | else if (t->sysv_start_priority < s->sysv_start_priority) | |
2c4104f0 LP |
394 | d = UNIT_AFTER; |
395 | else if (t->sysv_start_priority > s->sysv_start_priority) | |
396 | d = UNIT_BEFORE; | |
397 | else | |
398 | continue; | |
399 | ||
400 | /* FIXME: Maybe we should compare the name here lexicographically? */ | |
401 | ||
701cc384 | 402 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) |
2c4104f0 LP |
403 | return r; |
404 | } | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static ExecCommand *exec_command_new(const char *path, const char *arg1) { | |
410 | ExecCommand *c; | |
411 | ||
412 | if (!(c = new0(ExecCommand, 1))) | |
413 | return NULL; | |
414 | ||
415 | if (!(c->path = strdup(path))) { | |
416 | free(c); | |
417 | return NULL; | |
418 | } | |
419 | ||
420 | if (!(c->argv = strv_new(path, arg1, NULL))) { | |
421 | free(c->path); | |
422 | free(c); | |
423 | return NULL; | |
424 | } | |
425 | ||
426 | return c; | |
427 | } | |
428 | ||
429 | static int sysv_exec_commands(Service *s) { | |
430 | ExecCommand *c; | |
431 | ||
432 | assert(s); | |
433 | assert(s->sysv_path); | |
434 | ||
435 | if (!(c = exec_command_new(s->sysv_path, "start"))) | |
436 | return -ENOMEM; | |
437 | exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c); | |
438 | ||
439 | if (!(c = exec_command_new(s->sysv_path, "stop"))) | |
440 | return -ENOMEM; | |
441 | exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c); | |
442 | ||
443 | if (!(c = exec_command_new(s->sysv_path, "reload"))) | |
444 | return -ENOMEM; | |
445 | exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c); | |
446 | ||
447 | return 0; | |
448 | } | |
449 | ||
e537352b | 450 | static int service_load_sysv_path(Service *s, const char *path) { |
2c4104f0 LP |
451 | FILE *f; |
452 | Unit *u; | |
453 | unsigned line = 0; | |
454 | int r; | |
455 | enum { | |
456 | NORMAL, | |
457 | DESCRIPTION, | |
458 | LSB, | |
459 | LSB_DESCRIPTION | |
460 | } state = NORMAL; | |
0b5d26f9 | 461 | char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description; |
23a177ef LP |
462 | |
463 | assert(s); | |
464 | assert(path); | |
2c4104f0 LP |
465 | |
466 | u = UNIT(s); | |
467 | ||
468 | if (!(f = fopen(path, "re"))) { | |
469 | r = errno == ENOENT ? 0 : -errno; | |
470 | goto finish; | |
471 | } | |
472 | ||
2c4104f0 LP |
473 | free(s->sysv_path); |
474 | if (!(s->sysv_path = strdup(path))) { | |
475 | r = -ENOMEM; | |
476 | goto finish; | |
477 | } | |
478 | ||
479 | while (!feof(f)) { | |
480 | char l[LINE_MAX], *t; | |
481 | ||
482 | if (!fgets(l, sizeof(l), f)) { | |
483 | if (feof(f)) | |
484 | break; | |
485 | ||
486 | r = -errno; | |
487 | log_error("Failed to read configuration file '%s': %s", path, strerror(-r)); | |
488 | goto finish; | |
489 | } | |
490 | ||
491 | line++; | |
492 | ||
493 | t = strstrip(l); | |
494 | if (*t != '#') | |
495 | continue; | |
496 | ||
497 | if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) { | |
498 | state = LSB; | |
23a177ef | 499 | s->sysv_has_lsb = true; |
2c4104f0 LP |
500 | continue; |
501 | } | |
502 | ||
503 | if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) { | |
504 | state = NORMAL; | |
505 | continue; | |
506 | } | |
507 | ||
508 | t++; | |
509 | t += strspn(t, WHITESPACE); | |
510 | ||
511 | if (state == NORMAL) { | |
512 | ||
513 | /* Try to parse Red Hat style chkconfig headers */ | |
514 | ||
c2b35af6 | 515 | if (startswith_no_case(t, "chkconfig:")) { |
2c4104f0 | 516 | int start_priority; |
8309400a | 517 | char runlevels[16], *k; |
2c4104f0 LP |
518 | |
519 | state = NORMAL; | |
520 | ||
8309400a LP |
521 | if (sscanf(t+10, "%15s %i %*i", |
522 | runlevels, | |
523 | &start_priority) != 2) { | |
2c4104f0 LP |
524 | |
525 | log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line); | |
526 | continue; | |
527 | } | |
528 | ||
fbe9f3a9 LP |
529 | /* A start priority gathered from the |
530 | * symlink farms is preferred over the | |
531 | * data from the LSB header. */ | |
8309400a | 532 | if (start_priority < 0 || start_priority > 99) |
2c4104f0 | 533 | log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); |
db06e3b6 | 534 | else if (s->sysv_start_priority < 0) |
8309400a LP |
535 | s->sysv_start_priority = start_priority; |
536 | ||
537 | char_array_0(runlevels); | |
538 | k = delete_chars(runlevels, WHITESPACE "-"); | |
539 | ||
540 | if (k[0]) { | |
541 | char *d; | |
542 | ||
543 | if (!(d = strdup(k))) { | |
544 | r = -ENOMEM; | |
545 | goto finish; | |
546 | } | |
547 | ||
548 | free(s->sysv_runlevels); | |
549 | s->sysv_runlevels = d; | |
2c4104f0 LP |
550 | } |
551 | ||
0b5d26f9 | 552 | } else if (startswith_no_case(t, "description:")) { |
2c4104f0 LP |
553 | |
554 | size_t k = strlen(t); | |
555 | char *d; | |
0b5d26f9 | 556 | const char *j; |
2c4104f0 LP |
557 | |
558 | if (t[k-1] == '\\') { | |
559 | state = DESCRIPTION; | |
560 | t[k-1] = 0; | |
561 | } | |
562 | ||
0b5d26f9 LP |
563 | if ((j = strstrip(t+12)) && *j) { |
564 | if (!(d = strdup(j))) { | |
565 | r = -ENOMEM; | |
566 | goto finish; | |
567 | } | |
568 | } else | |
569 | d = NULL; | |
2c4104f0 | 570 | |
0b5d26f9 LP |
571 | free(chkconfig_description); |
572 | chkconfig_description = d; | |
2c4104f0 | 573 | |
c2b35af6 | 574 | } else if (startswith_no_case(t, "pidfile:")) { |
2c4104f0 LP |
575 | |
576 | char *fn; | |
577 | ||
578 | state = NORMAL; | |
579 | ||
580 | fn = strstrip(t+8); | |
581 | if (!path_is_absolute(fn)) { | |
582 | log_warning("[%s:%u] PID file not absolute. Ignoring.", path, line); | |
583 | continue; | |
584 | } | |
585 | ||
586 | if (!(fn = strdup(fn))) { | |
587 | r = -ENOMEM; | |
588 | goto finish; | |
589 | } | |
590 | ||
591 | free(s->pid_file); | |
592 | s->pid_file = fn; | |
593 | } | |
594 | ||
595 | } else if (state == DESCRIPTION) { | |
596 | ||
597 | /* Try to parse Red Hat style description | |
598 | * continuation */ | |
599 | ||
600 | size_t k = strlen(t); | |
0b5d26f9 | 601 | char *j; |
2c4104f0 LP |
602 | |
603 | if (t[k-1] == '\\') | |
604 | t[k-1] = 0; | |
605 | else | |
606 | state = NORMAL; | |
607 | ||
0b5d26f9 LP |
608 | if ((j = strstrip(t)) && *j) { |
609 | char *d = NULL; | |
610 | ||
611 | if (chkconfig_description) | |
612 | asprintf(&d, "%s %s", chkconfig_description, j); | |
613 | else | |
614 | d = strdup(j); | |
2c4104f0 | 615 | |
0b5d26f9 LP |
616 | if (!d) { |
617 | r = -ENOMEM; | |
618 | goto finish; | |
619 | } | |
620 | ||
621 | free(chkconfig_description); | |
622 | chkconfig_description = d; | |
623 | } | |
2c4104f0 LP |
624 | |
625 | } else if (state == LSB || state == LSB_DESCRIPTION) { | |
626 | ||
c2b35af6 | 627 | if (startswith_no_case(t, "Provides:")) { |
2c4104f0 LP |
628 | char *i, *w; |
629 | size_t z; | |
630 | ||
631 | state = LSB; | |
632 | ||
f60f22df | 633 | FOREACH_WORD_QUOTED(w, z, t+9, i) { |
2c4104f0 LP |
634 | char *n, *m; |
635 | ||
636 | if (!(n = strndup(w, z))) { | |
637 | r = -ENOMEM; | |
638 | goto finish; | |
639 | } | |
640 | ||
ee95669f | 641 | r = sysv_translate_facility(n, file_name_from_path(path), &m); |
2c4104f0 LP |
642 | free(n); |
643 | ||
644 | if (r < 0) | |
645 | goto finish; | |
646 | ||
647 | if (r == 0) | |
648 | continue; | |
649 | ||
bd77d0fc LP |
650 | if (unit_name_to_type(m) == UNIT_SERVICE) |
651 | r = unit_add_name(u, m); | |
c68364b7 LP |
652 | else { |
653 | r = unit_add_dependency_by_name(u, UNIT_BEFORE, m, NULL, true); | |
654 | ||
655 | if (s->sysv_enabled) { | |
656 | int k; | |
657 | ||
658 | if ((k = unit_add_dependency_by_name_inverse(u, UNIT_WANTS, m, NULL, true)) < 0) | |
659 | r = k; | |
660 | } | |
661 | } | |
bd77d0fc | 662 | |
2c4104f0 | 663 | if (r < 0) |
43a37549 | 664 | log_error("[%s:%u] Failed to add LSB Provides name %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
665 | |
666 | free(m); | |
2c4104f0 LP |
667 | } |
668 | ||
c2b35af6 LP |
669 | } else if (startswith_no_case(t, "Required-Start:") || |
670 | startswith_no_case(t, "Should-Start:") || | |
671 | startswith_no_case(t, "X-Start-Before:") || | |
672 | startswith_no_case(t, "X-Start-After:")) { | |
2c4104f0 LP |
673 | char *i, *w; |
674 | size_t z; | |
675 | ||
676 | state = LSB; | |
677 | ||
f60f22df | 678 | FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) { |
2c4104f0 LP |
679 | char *n, *m; |
680 | ||
681 | if (!(n = strndup(w, z))) { | |
682 | r = -ENOMEM; | |
683 | goto finish; | |
684 | } | |
685 | ||
ee95669f | 686 | r = sysv_translate_facility(n, file_name_from_path(path), &m); |
2c4104f0 LP |
687 | free(n); |
688 | ||
689 | if (r < 0) | |
690 | goto finish; | |
691 | ||
692 | if (r == 0) | |
693 | continue; | |
694 | ||
c2b35af6 | 695 | r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true); |
2c4104f0 LP |
696 | |
697 | if (r < 0) | |
43a37549 | 698 | log_error("[%s:%u] Failed to add dependency on %s, ignoring: %s", path, line, m, strerror(-r)); |
42a097a2 LP |
699 | |
700 | free(m); | |
2c4104f0 | 701 | } |
c2b35af6 | 702 | } else if (startswith_no_case(t, "Default-Start:")) { |
8309400a LP |
703 | char *k, *d; |
704 | ||
705 | state = LSB; | |
706 | ||
707 | k = delete_chars(t+14, WHITESPACE "-"); | |
708 | ||
709 | if (k[0] != 0) { | |
710 | if (!(d = strdup(k))) { | |
711 | r = -ENOMEM; | |
712 | goto finish; | |
713 | } | |
714 | ||
715 | free(s->sysv_runlevels); | |
716 | s->sysv_runlevels = d; | |
717 | } | |
2c4104f0 | 718 | |
0b5d26f9 LP |
719 | } else if (startswith_no_case(t, "Description:")) { |
720 | char *d, *j; | |
ed4c1cc6 | 721 | |
2c4104f0 LP |
722 | state = LSB_DESCRIPTION; |
723 | ||
0b5d26f9 LP |
724 | if ((j = strstrip(t+12)) && *j) { |
725 | if (!(d = strdup(j))) { | |
726 | r = -ENOMEM; | |
727 | goto finish; | |
728 | } | |
729 | } else | |
730 | d = NULL; | |
2c4104f0 | 731 | |
0b5d26f9 LP |
732 | free(long_description); |
733 | long_description = d; | |
2c4104f0 | 734 | |
ed4c1cc6 | 735 | } else if (startswith_no_case(t, "Short-Description:")) { |
0b5d26f9 | 736 | char *d, *j; |
2c4104f0 | 737 | |
2c4104f0 LP |
738 | state = LSB; |
739 | ||
0b5d26f9 LP |
740 | if ((j = strstrip(t+18)) && *j) { |
741 | if (!(d = strdup(j))) { | |
742 | r = -ENOMEM; | |
743 | goto finish; | |
744 | } | |
745 | } else | |
746 | d = NULL; | |
2c4104f0 | 747 | |
0b5d26f9 LP |
748 | free(short_description); |
749 | short_description = d; | |
2c4104f0 | 750 | |
723c83fd LP |
751 | } else if (startswith_no_case(t, "X-Interactive:")) { |
752 | int b; | |
753 | ||
754 | if ((b = parse_boolean(strstrip(t+14))) < 0) { | |
755 | log_warning("[%s:%u] Couldn't parse interactive flag. Ignoring.", path, line); | |
756 | continue; | |
757 | } | |
758 | ||
759 | if (b) | |
760 | s->exec_context.std_input = EXEC_INPUT_TTY; | |
761 | else | |
762 | s->exec_context.std_input = EXEC_INPUT_NULL; | |
763 | ||
2c4104f0 LP |
764 | } else if (state == LSB_DESCRIPTION) { |
765 | ||
766 | if (startswith(l, "#\t") || startswith(l, "# ")) { | |
0b5d26f9 | 767 | char *j; |
2c4104f0 | 768 | |
0b5d26f9 LP |
769 | if ((j = strstrip(t)) && *j) { |
770 | char *d = NULL; | |
771 | ||
772 | if (long_description) | |
773 | asprintf(&d, "%s %s", long_description, t); | |
774 | else | |
775 | d = strdup(j); | |
776 | ||
777 | if (!d) { | |
778 | r = -ENOMEM; | |
779 | goto finish; | |
780 | } | |
781 | ||
782 | free(long_description); | |
783 | long_description = d; | |
2c4104f0 LP |
784 | } |
785 | ||
2c4104f0 LP |
786 | } else |
787 | state = LSB; | |
788 | } | |
789 | } | |
790 | } | |
791 | ||
2c4104f0 LP |
792 | if ((r = sysv_exec_commands(s)) < 0) |
793 | goto finish; | |
794 | ||
a40eb732 | 795 | if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) { |
0bc824be LP |
796 | /* If there a runlevels configured for this service |
797 | * but none of the standard ones, then we assume this | |
798 | * is some special kind of service (which might be | |
799 | * needed for early boot) and don't create any links | |
800 | * to it. */ | |
801 | ||
a40eb732 | 802 | s->meta.default_dependencies = false; |
09cd1ab1 | 803 | |
09cd1ab1 LP |
804 | /* Don't timeout special services during boot (like fsck) */ |
805 | s->timeout_usec = 0; | |
f34277d9 LP |
806 | } else |
807 | s->timeout_usec = DEFAULT_SYSV_TIMEOUT_USEC; | |
0fd030be | 808 | |
80876c20 | 809 | /* Special setting for all SysV services */ |
1f48cf56 | 810 | s->type = SERVICE_FORKING; |
02ee865a | 811 | s->remain_after_exit = true; |
525ee6f4 | 812 | s->restart = SERVICE_RESTART_NO; |
8a2b3c09 LP |
813 | s->exec_context.std_output = |
814 | (s->meta.manager->sysv_console || s->exec_context.std_input == EXEC_INPUT_TTY) | |
815 | ? EXEC_OUTPUT_TTY : EXEC_OUTPUT_NULL; | |
2e22afe9 | 816 | s->exec_context.kill_mode = KILL_PROCESS_GROUP; |
80876c20 | 817 | |
0b5d26f9 LP |
818 | /* We use the long description only if |
819 | * no short description is set. */ | |
820 | ||
821 | if (short_description) | |
822 | description = short_description; | |
823 | else if (chkconfig_description) | |
824 | description = chkconfig_description; | |
825 | else if (long_description) | |
826 | description = long_description; | |
827 | else | |
828 | description = NULL; | |
829 | ||
830 | if (description) { | |
831 | char *d; | |
832 | ||
833 | if (!(d = strappend("LSB: ", description))) { | |
834 | r = -ENOMEM; | |
835 | goto finish; | |
836 | } | |
837 | ||
838 | u->meta.description = d; | |
839 | } | |
840 | ||
e537352b | 841 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 842 | r = 0; |
2c4104f0 LP |
843 | |
844 | finish: | |
845 | ||
846 | if (f) | |
847 | fclose(f); | |
848 | ||
0b5d26f9 LP |
849 | free(short_description); |
850 | free(long_description); | |
851 | free(chkconfig_description); | |
852 | ||
2c4104f0 LP |
853 | return r; |
854 | } | |
855 | ||
e537352b | 856 | static int service_load_sysv_name(Service *s, const char *name) { |
2c4104f0 LP |
857 | char **p; |
858 | ||
859 | assert(s); | |
860 | assert(name); | |
861 | ||
e1992852 | 862 | /* For SysV services we strip the boot.*, rc.* and *.sh |
d017c6ca | 863 | * prefixes/suffixes. */ |
5b819198 MB |
864 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
865 | if (endswith(name, ".sh.service")) | |
d017c6ca | 866 | return -ENOENT; |
5b819198 MB |
867 | #endif |
868 | ||
869 | #ifdef TARGET_SUSE | |
870 | if (startswith(name, "boot.")) | |
871 | return -ENOENT; | |
872 | #endif | |
873 | ||
874 | #ifdef TARGET_FRUGALWARE | |
875 | if (startswith(name, "rc.")) | |
876 | return -ENOENT; | |
877 | #endif | |
d017c6ca | 878 | |
4cd1fbcc | 879 | STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) { |
2c4104f0 LP |
880 | char *path; |
881 | int r; | |
882 | ||
883 | if (asprintf(&path, "%s/%s", *p, name) < 0) | |
884 | return -ENOMEM; | |
885 | ||
886 | assert(endswith(path, ".service")); | |
887 | path[strlen(path)-8] = 0; | |
888 | ||
e537352b | 889 | r = service_load_sysv_path(s, path); |
fbe9f3a9 | 890 | |
e1992852 | 891 | #if defined(TARGET_DEBIAN) || defined(TARGET_UBUNTU) |
4cd1fbcc | 892 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 893 | /* Try Debian style *.sh source'able init scripts */ |
fbe9f3a9 LP |
894 | strcat(path, ".sh"); |
895 | r = service_load_sysv_path(s, path); | |
896 | } | |
e1992852 | 897 | #endif |
2c4104f0 LP |
898 | free(path); |
899 | ||
e1992852 | 900 | #ifdef TARGET_SUSE |
4cd1fbcc | 901 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 902 | /* Try SUSE style boot.* init scripts */ |
fbe9f3a9 LP |
903 | |
904 | if (asprintf(&path, "%s/boot.%s", *p, name) < 0) | |
905 | return -ENOMEM; | |
906 | ||
e1992852 | 907 | /* Drop .service suffix */ |
fbe9f3a9 LP |
908 | path[strlen(path)-8] = 0; |
909 | r = service_load_sysv_path(s, path); | |
910 | free(path); | |
911 | } | |
e1992852 | 912 | #endif |
fbe9f3a9 | 913 | |
e1992852 | 914 | #ifdef TARGET_FRUGALWARE |
65530632 | 915 | if (r >= 0 && s->meta.load_state == UNIT_STUB) { |
e1992852 | 916 | /* Try Frugalware style rc.* init scripts */ |
65530632 MV |
917 | |
918 | if (asprintf(&path, "%s/rc.%s", *p, name) < 0) | |
919 | return -ENOMEM; | |
920 | ||
e1992852 | 921 | /* Drop .service suffix */ |
65530632 MV |
922 | path[strlen(path)-8] = 0; |
923 | r = service_load_sysv_path(s, path); | |
924 | free(path); | |
925 | } | |
e1992852 | 926 | #endif |
65530632 | 927 | |
23a177ef | 928 | if (r < 0) |
2c4104f0 | 929 | return r; |
23a177ef | 930 | |
4cd1fbcc | 931 | if ((s->meta.load_state != UNIT_STUB)) |
23a177ef | 932 | break; |
2c4104f0 LP |
933 | } |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
e537352b | 938 | static int service_load_sysv(Service *s) { |
2c4104f0 LP |
939 | const char *t; |
940 | Iterator i; | |
941 | int r; | |
942 | ||
5cb5a6ff LP |
943 | assert(s); |
944 | ||
945 | /* Load service data from SysV init scripts, preferably with | |
946 | * LSB headers ... */ | |
947 | ||
4cd1fbcc | 948 | if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path)) |
2c4104f0 LP |
949 | return 0; |
950 | ||
4cd1fbcc | 951 | if ((t = s->meta.id)) |
e537352b | 952 | if ((r = service_load_sysv_name(s, t)) < 0) |
2c4104f0 LP |
953 | return r; |
954 | ||
4cd1fbcc LP |
955 | if (s->meta.load_state == UNIT_STUB) |
956 | SET_FOREACH(t, s->meta.names, i) { | |
957 | if (t == s->meta.id) | |
e537352b LP |
958 | continue; |
959 | ||
e364ad06 | 960 | if ((r = service_load_sysv_name(s, t)) < 0) |
23a177ef LP |
961 | return r; |
962 | ||
4cd1fbcc | 963 | if (s->meta.load_state != UNIT_STUB) |
23a177ef LP |
964 | break; |
965 | } | |
2c4104f0 LP |
966 | |
967 | return 0; | |
5cb5a6ff | 968 | } |
07459bb6 | 969 | #endif |
5cb5a6ff | 970 | |
9fff8a1f LP |
971 | static int fsck_fix_order(Service *s) { |
972 | Meta *other; | |
973 | int r; | |
974 | ||
975 | assert(s); | |
976 | ||
977 | if (s->fsck_passno <= 0) | |
978 | return 0; | |
979 | ||
980 | /* For each pair of services where both have an fsck priority | |
981 | * we order things based on it. */ | |
982 | ||
983 | LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { | |
984 | Service *t; | |
985 | UnitDependency d; | |
986 | ||
987 | t = (Service*) other; | |
988 | ||
989 | if (s == t) | |
990 | continue; | |
991 | ||
992 | if (t->meta.load_state != UNIT_LOADED) | |
993 | continue; | |
994 | ||
995 | if (t->fsck_passno <= 0) | |
996 | continue; | |
997 | ||
998 | if (t->fsck_passno < s->fsck_passno) | |
999 | d = UNIT_AFTER; | |
1000 | else if (t->fsck_passno > s->fsck_passno) | |
1001 | d = UNIT_BEFORE; | |
1002 | else | |
1003 | continue; | |
1004 | ||
1005 | if (!(r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0) | |
1006 | return r; | |
1007 | } | |
1008 | ||
1009 | return 0; | |
1010 | } | |
1011 | ||
243b1432 LP |
1012 | static int service_verify(Service *s) { |
1013 | assert(s); | |
1014 | ||
4cd1fbcc | 1015 | if (s->meta.load_state != UNIT_LOADED) |
243b1432 LP |
1016 | return 0; |
1017 | ||
1018 | if (!s->exec_command[SERVICE_EXEC_START]) { | |
4cd1fbcc | 1019 | log_error("%s lacks ExecStart setting. Refusing.", s->meta.id); |
243b1432 LP |
1020 | return -EINVAL; |
1021 | } | |
1022 | ||
34e9ba66 LP |
1023 | if (s->type != SERVICE_ONESHOT && |
1024 | s->exec_command[SERVICE_EXEC_START]->command_next) { | |
1025 | log_error("%s has more than one ExecStart setting, which is only allowed for Type=oneshot services. Refusing.", s->meta.id); | |
6cf6bbc2 LP |
1026 | return -EINVAL; |
1027 | } | |
1028 | ||
05e343b7 | 1029 | if (s->type == SERVICE_DBUS && !s->bus_name) { |
4d0e5dbd LP |
1030 | log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id); |
1031 | return -EINVAL; | |
1032 | } | |
1033 | ||
2e22afe9 | 1034 | if (s->exec_context.pam_name && s->exec_context.kill_mode != KILL_CONTROL_GROUP) { |
4d0e5dbd | 1035 | log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id); |
05e343b7 LP |
1036 | return -EINVAL; |
1037 | } | |
1038 | ||
243b1432 LP |
1039 | return 0; |
1040 | } | |
1041 | ||
a40eb732 LP |
1042 | static int service_add_default_dependencies(Service *s) { |
1043 | int r; | |
1044 | ||
1045 | assert(s); | |
1046 | ||
1047 | /* Add a number of automatic dependencies useful for the | |
1048 | * majority of services. */ | |
1049 | ||
1050 | /* First, pull in base system */ | |
1051 | if (s->meta.manager->running_as == MANAGER_SYSTEM) { | |
1052 | ||
1053 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_BASIC_TARGET, NULL, true)) < 0) | |
1054 | return r; | |
1055 | ||
af2d49f7 | 1056 | } else if (s->meta.manager->running_as == MANAGER_USER) { |
a40eb732 LP |
1057 | |
1058 | if ((r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SOCKETS_TARGET, NULL, true)) < 0) | |
1059 | return r; | |
1060 | } | |
1061 | ||
1062 | /* Second, activate normal shutdown */ | |
ead8e478 | 1063 | return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true); |
a40eb732 LP |
1064 | } |
1065 | ||
e537352b LP |
1066 | static int service_load(Unit *u) { |
1067 | int r; | |
1068 | Service *s = SERVICE(u); | |
1069 | ||
1070 | assert(s); | |
1e2e8133 | 1071 | |
5cb5a6ff | 1072 | /* Load a .service file */ |
e537352b | 1073 | if ((r = unit_load_fragment(u)) < 0) |
5cb5a6ff LP |
1074 | return r; |
1075 | ||
07459bb6 | 1076 | #ifdef HAVE_SYSV_COMPAT |
bd77d0fc | 1077 | /* Load a classic init script as a fallback, if we couldn't find anything */ |
e537352b LP |
1078 | if (u->meta.load_state == UNIT_STUB) |
1079 | if ((r = service_load_sysv(s)) < 0) | |
23a177ef | 1080 | return r; |
07459bb6 | 1081 | #endif |
d46de8a1 | 1082 | |
23a177ef | 1083 | /* Still nothing found? Then let's give up */ |
e537352b | 1084 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1085 | return -ENOENT; |
034c6ed7 | 1086 | |
23a177ef LP |
1087 | /* We were able to load something, then let's add in the |
1088 | * dropin directories. */ | |
1089 | if ((r = unit_load_dropin(unit_follow_merge(u))) < 0) | |
8e274523 | 1090 | return r; |
23a177ef LP |
1091 | |
1092 | /* This is a new unit? Then let's add in some extras */ | |
e537352b | 1093 | if (u->meta.load_state == UNIT_LOADED) { |
23a177ef LP |
1094 | if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0) |
1095 | return r; | |
1096 | ||
d686d8a9 | 1097 | if ((r = unit_add_default_cgroups(u)) < 0) |
23a177ef LP |
1098 | return r; |
1099 | ||
07459bb6 | 1100 | #ifdef HAVE_SYSV_COMPAT |
56d748b4 | 1101 | if ((r = sysv_fix_order(s)) < 0) |
23a177ef | 1102 | return r; |
07459bb6 | 1103 | #endif |
05e343b7 | 1104 | |
9fff8a1f LP |
1105 | if ((r = fsck_fix_order(s)) < 0) |
1106 | return r; | |
1107 | ||
ee0dd802 | 1108 | if (s->bus_name) |
05e343b7 | 1109 | if ((r = unit_watch_bus_name(u, s->bus_name)) < 0) |
a40eb732 | 1110 | return r; |
c952c6ec LP |
1111 | |
1112 | if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE) | |
1113 | s->notify_access = NOTIFY_MAIN; | |
a40eb732 LP |
1114 | |
1115 | if (s->type == SERVICE_DBUS || s->bus_name) | |
1116 | if ((r = unit_add_two_dependencies_by_name(u, UNIT_AFTER, UNIT_REQUIRES, SPECIAL_DBUS_TARGET, NULL, true)) < 0) | |
1117 | return r; | |
1118 | ||
1119 | if (s->meta.default_dependencies) | |
1120 | if ((r = service_add_default_dependencies(s)) < 0) | |
1121 | return r; | |
8e274523 LP |
1122 | } |
1123 | ||
243b1432 | 1124 | return service_verify(s); |
034c6ed7 LP |
1125 | } |
1126 | ||
87f0e418 | 1127 | static void service_dump(Unit *u, FILE *f, const char *prefix) { |
5cb5a6ff | 1128 | |
5cb5a6ff | 1129 | ServiceExecCommand c; |
87f0e418 | 1130 | Service *s = SERVICE(u); |
47be870b LP |
1131 | const char *prefix2; |
1132 | char *p2; | |
5cb5a6ff LP |
1133 | |
1134 | assert(s); | |
1135 | ||
47be870b LP |
1136 | p2 = strappend(prefix, "\t"); |
1137 | prefix2 = p2 ? p2 : prefix; | |
44d8db9e | 1138 | |
5cb5a6ff | 1139 | fprintf(f, |
81a2b7ce LP |
1140 | "%sService State: %s\n" |
1141 | "%sPermissionsStartOnly: %s\n" | |
8e274523 | 1142 | "%sRootDirectoryStartOnly: %s\n" |
02ee865a | 1143 | "%sRemainAfterExit: %s\n" |
c952c6ec | 1144 | "%sType: %s\n" |
2cf3143a | 1145 | "%sRestart: %s\n" |
c952c6ec | 1146 | "%sNotifyAccess: %s\n", |
81a2b7ce LP |
1147 | prefix, service_state_to_string(s->state), |
1148 | prefix, yes_no(s->permissions_start_only), | |
8e274523 | 1149 | prefix, yes_no(s->root_directory_start_only), |
02ee865a | 1150 | prefix, yes_no(s->remain_after_exit), |
c952c6ec | 1151 | prefix, service_type_to_string(s->type), |
2cf3143a | 1152 | prefix, service_restart_to_string(s->restart), |
c952c6ec | 1153 | prefix, notify_access_to_string(s->notify_access)); |
5cb5a6ff | 1154 | |
70123e68 LP |
1155 | if (s->control_pid > 0) |
1156 | fprintf(f, | |
bb00e604 LP |
1157 | "%sControl PID: %lu\n", |
1158 | prefix, (unsigned long) s->control_pid); | |
70123e68 LP |
1159 | |
1160 | if (s->main_pid > 0) | |
1161 | fprintf(f, | |
bb00e604 LP |
1162 | "%sMain PID: %lu\n", |
1163 | prefix, (unsigned long) s->main_pid); | |
70123e68 | 1164 | |
034c6ed7 LP |
1165 | if (s->pid_file) |
1166 | fprintf(f, | |
1167 | "%sPIDFile: %s\n", | |
1168 | prefix, s->pid_file); | |
1169 | ||
05e343b7 LP |
1170 | if (s->bus_name) |
1171 | fprintf(f, | |
1172 | "%sBusName: %s\n" | |
1173 | "%sBus Name Good: %s\n", | |
1174 | prefix, s->bus_name, | |
1175 | prefix, yes_no(s->bus_name_good)); | |
1176 | ||
5cb5a6ff LP |
1177 | exec_context_dump(&s->exec_context, f, prefix); |
1178 | ||
e537352b | 1179 | for (c = 0; c < _SERVICE_EXEC_COMMAND_MAX; c++) { |
5cb5a6ff | 1180 | |
44d8db9e LP |
1181 | if (!s->exec_command[c]) |
1182 | continue; | |
1183 | ||
40d50879 | 1184 | fprintf(f, "%s-> %s:\n", |
94f04347 | 1185 | prefix, service_exec_command_to_string(c)); |
44d8db9e LP |
1186 | |
1187 | exec_command_dump_list(s->exec_command[c], f, prefix2); | |
5cb5a6ff | 1188 | } |
44d8db9e | 1189 | |
07459bb6 | 1190 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 LP |
1191 | if (s->sysv_path) |
1192 | fprintf(f, | |
23a177ef | 1193 | "%sSysV Init Script Path: %s\n" |
9fff8a1f LP |
1194 | "%sSysV Init Script has LSB Header: %s\n" |
1195 | "%sSysVEnabled: %s\n", | |
23a177ef | 1196 | prefix, s->sysv_path, |
9fff8a1f LP |
1197 | prefix, yes_no(s->sysv_has_lsb), |
1198 | prefix, yes_no(s->sysv_enabled)); | |
2c4104f0 LP |
1199 | |
1200 | if (s->sysv_start_priority >= 0) | |
1201 | fprintf(f, | |
9fff8a1f LP |
1202 | "%sSysVStartPriority: %i\n", |
1203 | prefix, s->sysv_start_priority); | |
2c4104f0 | 1204 | |
8309400a LP |
1205 | if (s->sysv_runlevels) |
1206 | fprintf(f, "%sSysVRunLevels: %s\n", | |
1207 | prefix, s->sysv_runlevels); | |
07459bb6 | 1208 | #endif |
23a177ef | 1209 | |
9fff8a1f LP |
1210 | if (s->fsck_passno > 0) |
1211 | fprintf(f, | |
1212 | "%sFsckPassNo: %i\n", | |
1213 | prefix, s->fsck_passno); | |
1214 | ||
8c47c732 LP |
1215 | if (s->status_text) |
1216 | fprintf(f, "%sStatus Text: %s\n", | |
1217 | prefix, s->status_text); | |
1218 | ||
47be870b | 1219 | free(p2); |
5cb5a6ff LP |
1220 | } |
1221 | ||
034c6ed7 LP |
1222 | static int service_load_pid_file(Service *s) { |
1223 | char *k; | |
034c6ed7 | 1224 | int r; |
5925dd3c | 1225 | pid_t pid; |
034c6ed7 LP |
1226 | |
1227 | assert(s); | |
1228 | ||
1229 | if (s->main_pid_known) | |
1230 | return 0; | |
1231 | ||
5e94833f LP |
1232 | assert(s->main_pid <= 0); |
1233 | ||
034c6ed7 LP |
1234 | if (!s->pid_file) |
1235 | return -ENOENT; | |
1236 | ||
1237 | if ((r = read_one_line_file(s->pid_file, &k)) < 0) | |
1238 | return r; | |
1239 | ||
5925dd3c LP |
1240 | r = parse_pid(k, &pid); |
1241 | free(k); | |
034c6ed7 | 1242 | |
5925dd3c LP |
1243 | if (r < 0) |
1244 | return r; | |
406eaf93 | 1245 | |
5925dd3c LP |
1246 | if (kill(pid, 0) < 0 && errno != EPERM) { |
1247 | log_warning("PID %lu read from file %s does not exist. Your service or init script might be broken.", | |
1248 | (unsigned long) pid, s->pid_file); | |
b8c597d5 LP |
1249 | return -ESRCH; |
1250 | } | |
1251 | ||
5925dd3c | 1252 | if ((r = service_set_main_pid(s, pid)) < 0) |
16f6025e LP |
1253 | return r; |
1254 | ||
5925dd3c LP |
1255 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
1256 | /* FIXME: we need to do something here */ | |
1257 | return r; | |
034c6ed7 LP |
1258 | |
1259 | return 0; | |
1260 | } | |
1261 | ||
4fbf50b3 LP |
1262 | static int service_search_main_pid(Service *s) { |
1263 | pid_t pid; | |
1264 | int r; | |
1265 | ||
1266 | assert(s); | |
1267 | ||
1268 | if (s->main_pid_known) | |
1269 | return 0; | |
1270 | ||
1271 | assert(s->main_pid <= 0); | |
1272 | ||
1273 | if ((pid = cgroup_bonding_search_main_pid_list(s->meta.cgroup_bondings)) <= 0) | |
1274 | return -ENOENT; | |
1275 | ||
1276 | if ((r = service_set_main_pid(s, pid)) < 0) | |
1277 | return r; | |
1278 | ||
1279 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) | |
1280 | /* FIXME: we need to do something here */ | |
1281 | return r; | |
1282 | ||
1283 | return 0; | |
1284 | } | |
1285 | ||
3e33402a LP |
1286 | static int service_get_sockets(Service *s, Set **_set) { |
1287 | Set *set; | |
ceee3d82 LP |
1288 | Iterator i; |
1289 | char *t; | |
3e33402a | 1290 | int r; |
ceee3d82 LP |
1291 | |
1292 | assert(s); | |
3e33402a LP |
1293 | assert(_set); |
1294 | ||
6cf6bbc2 LP |
1295 | if (s->socket_fd >= 0) |
1296 | return 0; | |
1297 | ||
f976f3f6 LP |
1298 | if (!set_isempty(s->configured_sockets)) |
1299 | return 0; | |
1300 | ||
3e33402a LP |
1301 | /* Collects all Socket objects that belong to this |
1302 | * service. Note that a service might have multiple sockets | |
1303 | * via multiple names. */ | |
1304 | ||
1305 | if (!(set = set_new(NULL, NULL))) | |
1306 | return -ENOMEM; | |
ceee3d82 | 1307 | |
4cd1fbcc | 1308 | SET_FOREACH(t, s->meta.names, i) { |
ceee3d82 LP |
1309 | char *k; |
1310 | Unit *p; | |
1311 | ||
1312 | /* Look for all socket objects that go by any of our | |
1313 | * units and collect their fds */ | |
1314 | ||
3e33402a LP |
1315 | if (!(k = unit_name_change_suffix(t, ".socket"))) { |
1316 | r = -ENOMEM; | |
1317 | goto fail; | |
1318 | } | |
ceee3d82 | 1319 | |
4cd1fbcc | 1320 | p = manager_get_unit(s->meta.manager, k); |
ceee3d82 LP |
1321 | free(k); |
1322 | ||
8d567588 LP |
1323 | if (!p) |
1324 | continue; | |
ceee3d82 | 1325 | |
3e33402a LP |
1326 | if ((r = set_put(set, p)) < 0) |
1327 | goto fail; | |
ceee3d82 LP |
1328 | } |
1329 | ||
3e33402a LP |
1330 | *_set = set; |
1331 | return 0; | |
1332 | ||
1333 | fail: | |
1334 | set_free(set); | |
1335 | return r; | |
1336 | } | |
1337 | ||
e537352b | 1338 | static int service_notify_sockets_dead(Service *s) { |
3e33402a | 1339 | Iterator i; |
f976f3f6 | 1340 | Set *set, *free_set = NULL; |
47be870b | 1341 | Socket *sock; |
3e33402a LP |
1342 | int r; |
1343 | ||
1344 | assert(s); | |
1345 | ||
f976f3f6 LP |
1346 | /* Notifies all our sockets when we die */ |
1347 | ||
6cf6bbc2 LP |
1348 | if (s->socket_fd >= 0) |
1349 | return 0; | |
1350 | ||
f976f3f6 LP |
1351 | if (!set_isempty(s->configured_sockets)) |
1352 | set = s->configured_sockets; | |
1353 | else { | |
1354 | if ((r = service_get_sockets(s, &free_set)) < 0) | |
1355 | return r; | |
1356 | ||
1357 | set = free_set; | |
1358 | } | |
3e33402a | 1359 | |
47be870b LP |
1360 | SET_FOREACH(sock, set, i) |
1361 | socket_notify_service_dead(sock); | |
3e33402a | 1362 | |
f976f3f6 | 1363 | set_free(free_set); |
3e33402a | 1364 | |
ceee3d82 LP |
1365 | return 0; |
1366 | } | |
1367 | ||
034c6ed7 LP |
1368 | static void service_set_state(Service *s, ServiceState state) { |
1369 | ServiceState old_state; | |
5cb5a6ff LP |
1370 | assert(s); |
1371 | ||
034c6ed7 | 1372 | old_state = s->state; |
5cb5a6ff | 1373 | s->state = state; |
034c6ed7 LP |
1374 | |
1375 | if (state != SERVICE_START_PRE && | |
1376 | state != SERVICE_START && | |
1377 | state != SERVICE_START_POST && | |
1378 | state != SERVICE_RELOAD && | |
1379 | state != SERVICE_STOP && | |
1380 | state != SERVICE_STOP_SIGTERM && | |
1381 | state != SERVICE_STOP_SIGKILL && | |
1382 | state != SERVICE_STOP_POST && | |
1383 | state != SERVICE_FINAL_SIGTERM && | |
1384 | state != SERVICE_FINAL_SIGKILL && | |
1385 | state != SERVICE_AUTO_RESTART) | |
acbb0225 | 1386 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1387 | |
7d55e835 LP |
1388 | if (state != SERVICE_START && |
1389 | state != SERVICE_START_POST && | |
034c6ed7 LP |
1390 | state != SERVICE_RUNNING && |
1391 | state != SERVICE_RELOAD && | |
1392 | state != SERVICE_STOP && | |
1393 | state != SERVICE_STOP_SIGTERM && | |
1394 | state != SERVICE_STOP_SIGKILL) | |
5e94833f | 1395 | service_unwatch_main_pid(s); |
034c6ed7 LP |
1396 | |
1397 | if (state != SERVICE_START_PRE && | |
1398 | state != SERVICE_START && | |
1399 | state != SERVICE_START_POST && | |
1400 | state != SERVICE_RELOAD && | |
1401 | state != SERVICE_STOP && | |
1402 | state != SERVICE_STOP_SIGTERM && | |
1403 | state != SERVICE_STOP_SIGKILL && | |
1404 | state != SERVICE_STOP_POST && | |
1405 | state != SERVICE_FINAL_SIGTERM && | |
e537352b | 1406 | state != SERVICE_FINAL_SIGKILL) { |
5e94833f | 1407 | service_unwatch_control_pid(s); |
034c6ed7 | 1408 | s->control_command = NULL; |
a16e1123 | 1409 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; |
e537352b | 1410 | } |
034c6ed7 | 1411 | |
ceee3d82 LP |
1412 | if (state == SERVICE_DEAD || |
1413 | state == SERVICE_STOP || | |
1414 | state == SERVICE_STOP_SIGTERM || | |
1415 | state == SERVICE_STOP_SIGKILL || | |
1416 | state == SERVICE_STOP_POST || | |
1417 | state == SERVICE_FINAL_SIGTERM || | |
1418 | state == SERVICE_FINAL_SIGKILL || | |
fdf20a31 | 1419 | state == SERVICE_FAILED || |
ceee3d82 | 1420 | state == SERVICE_AUTO_RESTART) |
e537352b | 1421 | service_notify_sockets_dead(s); |
ceee3d82 | 1422 | |
4f2d528d LP |
1423 | if (state != SERVICE_START_PRE && |
1424 | state != SERVICE_START && | |
6cf6bbc2 LP |
1425 | state != SERVICE_START_POST && |
1426 | state != SERVICE_RUNNING && | |
1427 | state != SERVICE_RELOAD && | |
1428 | state != SERVICE_STOP && | |
1429 | state != SERVICE_STOP_SIGTERM && | |
1430 | state != SERVICE_STOP_SIGKILL && | |
1431 | state != SERVICE_STOP_POST && | |
1432 | state != SERVICE_FINAL_SIGTERM && | |
1433 | state != SERVICE_FINAL_SIGKILL && | |
4cd1fbcc | 1434 | !(state == SERVICE_DEAD && s->meta.job)) { |
4f2d528d | 1435 | service_close_socket_fd(s); |
6cf6bbc2 LP |
1436 | service_connection_unref(s); |
1437 | } | |
4f2d528d | 1438 | |
f6023656 LP |
1439 | /* For the inactive states unit_notify() will trim the cgroup, |
1440 | * but for exit we have to do that ourselves... */ | |
1441 | if (state == SERVICE_EXITED) | |
1442 | cgroup_bonding_trim_list(s->meta.cgroup_bondings, true); | |
1443 | ||
e537352b | 1444 | if (old_state != state) |
4cd1fbcc | 1445 | log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state)); |
acbb0225 LP |
1446 | |
1447 | unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); | |
034c6ed7 LP |
1448 | } |
1449 | ||
a16e1123 LP |
1450 | static int service_coldplug(Unit *u) { |
1451 | Service *s = SERVICE(u); | |
1452 | int r; | |
1453 | ||
1454 | assert(s); | |
1455 | assert(s->state == SERVICE_DEAD); | |
1456 | ||
1457 | if (s->deserialized_state != s->state) { | |
1458 | ||
1459 | if (s->deserialized_state == SERVICE_START_PRE || | |
1460 | s->deserialized_state == SERVICE_START || | |
1461 | s->deserialized_state == SERVICE_START_POST || | |
1462 | s->deserialized_state == SERVICE_RELOAD || | |
1463 | s->deserialized_state == SERVICE_STOP || | |
1464 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1465 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1466 | s->deserialized_state == SERVICE_STOP_POST || | |
1467 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1468 | s->deserialized_state == SERVICE_FINAL_SIGKILL || | |
e558336f LP |
1469 | s->deserialized_state == SERVICE_AUTO_RESTART) { |
1470 | ||
1471 | if (s->deserialized_state == SERVICE_AUTO_RESTART || s->timeout_usec > 0) { | |
1472 | usec_t k; | |
1473 | ||
1474 | k = s->deserialized_state == SERVICE_AUTO_RESTART ? s->restart_usec : s->timeout_usec; | |
1475 | ||
1476 | if ((r = unit_watch_timer(UNIT(s), k, &s->timer_watch)) < 0) | |
1477 | return r; | |
1478 | } | |
1479 | } | |
a16e1123 LP |
1480 | |
1481 | if ((s->deserialized_state == SERVICE_START && | |
1482 | (s->type == SERVICE_FORKING || | |
8c47c732 | 1483 | s->type == SERVICE_DBUS || |
34e9ba66 | 1484 | s->type == SERVICE_ONESHOT || |
8c47c732 | 1485 | s->type == SERVICE_NOTIFY)) || |
a16e1123 LP |
1486 | s->deserialized_state == SERVICE_START_POST || |
1487 | s->deserialized_state == SERVICE_RUNNING || | |
1488 | s->deserialized_state == SERVICE_RELOAD || | |
1489 | s->deserialized_state == SERVICE_STOP || | |
1490 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1491 | s->deserialized_state == SERVICE_STOP_SIGKILL) | |
1492 | if (s->main_pid > 0) | |
1493 | if ((r = unit_watch_pid(UNIT(s), s->main_pid)) < 0) | |
1494 | return r; | |
1495 | ||
1496 | if (s->deserialized_state == SERVICE_START_PRE || | |
1497 | s->deserialized_state == SERVICE_START || | |
1498 | s->deserialized_state == SERVICE_START_POST || | |
1499 | s->deserialized_state == SERVICE_RELOAD || | |
1500 | s->deserialized_state == SERVICE_STOP || | |
1501 | s->deserialized_state == SERVICE_STOP_SIGTERM || | |
1502 | s->deserialized_state == SERVICE_STOP_SIGKILL || | |
1503 | s->deserialized_state == SERVICE_STOP_POST || | |
1504 | s->deserialized_state == SERVICE_FINAL_SIGTERM || | |
1505 | s->deserialized_state == SERVICE_FINAL_SIGKILL) | |
1506 | if (s->control_pid > 0) | |
1507 | if ((r = unit_watch_pid(UNIT(s), s->control_pid)) < 0) | |
1508 | return r; | |
1509 | ||
1510 | service_set_state(s, s->deserialized_state); | |
1511 | } | |
1512 | ||
1513 | return 0; | |
1514 | } | |
1515 | ||
44d8db9e LP |
1516 | static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { |
1517 | Iterator i; | |
1518 | int r; | |
1519 | int *rfds = NULL; | |
1520 | unsigned rn_fds = 0; | |
f976f3f6 | 1521 | Set *set, *free_set = NULL; |
47be870b | 1522 | Socket *sock; |
44d8db9e LP |
1523 | |
1524 | assert(s); | |
1525 | assert(fds); | |
1526 | assert(n_fds); | |
1527 | ||
6cf6bbc2 LP |
1528 | if (s->socket_fd >= 0) |
1529 | return 0; | |
1530 | ||
f976f3f6 LP |
1531 | if (!set_isempty(s->configured_sockets)) |
1532 | set = s->configured_sockets; | |
1533 | else { | |
1534 | if ((r = service_get_sockets(s, &free_set)) < 0) | |
1535 | return r; | |
1536 | ||
1537 | set = free_set; | |
1538 | } | |
3e33402a | 1539 | |
47be870b | 1540 | SET_FOREACH(sock, set, i) { |
44d8db9e LP |
1541 | int *cfds; |
1542 | unsigned cn_fds; | |
1543 | ||
47be870b | 1544 | if ((r = socket_collect_fds(sock, &cfds, &cn_fds)) < 0) |
44d8db9e LP |
1545 | goto fail; |
1546 | ||
1547 | if (!cfds) | |
1548 | continue; | |
1549 | ||
1550 | if (!rfds) { | |
1551 | rfds = cfds; | |
1552 | rn_fds = cn_fds; | |
1553 | } else { | |
1554 | int *t; | |
1555 | ||
1556 | if (!(t = new(int, rn_fds+cn_fds))) { | |
1557 | free(cfds); | |
1558 | r = -ENOMEM; | |
1559 | goto fail; | |
1560 | } | |
1561 | ||
1562 | memcpy(t, rfds, rn_fds); | |
1563 | memcpy(t+rn_fds, cfds, cn_fds); | |
1564 | free(rfds); | |
1565 | free(cfds); | |
1566 | ||
1567 | rfds = t; | |
1568 | rn_fds = rn_fds+cn_fds; | |
1569 | } | |
1570 | } | |
1571 | ||
1572 | *fds = rfds; | |
1573 | *n_fds = rn_fds; | |
3e33402a | 1574 | |
f976f3f6 | 1575 | set_free(free_set); |
3e33402a | 1576 | |
44d8db9e LP |
1577 | return 0; |
1578 | ||
1579 | fail: | |
3e33402a | 1580 | set_free(set); |
44d8db9e | 1581 | free(rfds); |
3e33402a | 1582 | |
44d8db9e LP |
1583 | return r; |
1584 | } | |
1585 | ||
81a2b7ce LP |
1586 | static int service_spawn( |
1587 | Service *s, | |
1588 | ExecCommand *c, | |
1589 | bool timeout, | |
1590 | bool pass_fds, | |
1591 | bool apply_permissions, | |
1592 | bool apply_chroot, | |
1e3ad081 | 1593 | bool apply_tty_stdin, |
c952c6ec | 1594 | bool set_notify_socket, |
81a2b7ce LP |
1595 | pid_t *_pid) { |
1596 | ||
034c6ed7 LP |
1597 | pid_t pid; |
1598 | int r; | |
6cf6bbc2 | 1599 | int *fds = NULL, *fdsbuf = NULL; |
2105e76a LP |
1600 | unsigned n_fds = 0, n_env = 0; |
1601 | char **argv = NULL, **final_env = NULL, **our_env = NULL; | |
034c6ed7 LP |
1602 | |
1603 | assert(s); | |
1604 | assert(c); | |
1605 | assert(_pid); | |
1606 | ||
6cf6bbc2 LP |
1607 | if (pass_fds || |
1608 | s->exec_context.std_input == EXEC_INPUT_SOCKET || | |
1609 | s->exec_context.std_output == EXEC_OUTPUT_SOCKET || | |
1610 | s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { | |
1611 | ||
4f2d528d LP |
1612 | if (s->socket_fd >= 0) { |
1613 | fds = &s->socket_fd; | |
1614 | n_fds = 1; | |
6cf6bbc2 LP |
1615 | } else { |
1616 | if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) | |
1617 | goto fail; | |
1618 | ||
1619 | fds = fdsbuf; | |
1620 | } | |
4f2d528d | 1621 | } |
44d8db9e | 1622 | |
e558336f | 1623 | if (timeout && s->timeout_usec) { |
acbb0225 | 1624 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1625 | goto fail; |
1626 | } else | |
acbb0225 | 1627 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 | 1628 | |
9e2f7c11 LP |
1629 | if (!(argv = unit_full_printf_strv(UNIT(s), c->argv))) { |
1630 | r = -ENOMEM; | |
1631 | goto fail; | |
1632 | } | |
1633 | ||
9865f3b4 | 1634 | if (!(our_env = new0(char*, 4))) { |
2105e76a LP |
1635 | r = -ENOMEM; |
1636 | goto fail; | |
1637 | } | |
c952c6ec | 1638 | |
2105e76a LP |
1639 | if (set_notify_socket) |
1640 | if (asprintf(our_env + n_env++, "NOTIFY_SOCKET=@%s", s->meta.manager->notify_socket) < 0) { | |
c952c6ec LP |
1641 | r = -ENOMEM; |
1642 | goto fail; | |
1643 | } | |
1644 | ||
2105e76a LP |
1645 | if (s->main_pid > 0) |
1646 | if (asprintf(our_env + n_env++, "MAINPID=%lu", (unsigned long) s->main_pid) < 0) { | |
c952c6ec LP |
1647 | r = -ENOMEM; |
1648 | goto fail; | |
1649 | } | |
2105e76a LP |
1650 | |
1651 | if (!(final_env = strv_env_merge(2, | |
1652 | s->meta.manager->environment, | |
1653 | our_env, | |
1654 | NULL))) { | |
1655 | r = -ENOMEM; | |
1656 | goto fail; | |
1657 | } | |
c952c6ec | 1658 | |
9e2f7c11 LP |
1659 | r = exec_spawn(c, |
1660 | argv, | |
1661 | &s->exec_context, | |
1662 | fds, n_fds, | |
2105e76a | 1663 | final_env, |
9e2f7c11 LP |
1664 | apply_permissions, |
1665 | apply_chroot, | |
1e3ad081 | 1666 | apply_tty_stdin, |
4cd1fbcc LP |
1667 | s->meta.manager->confirm_spawn, |
1668 | s->meta.cgroup_bondings, | |
9e2f7c11 LP |
1669 | &pid); |
1670 | ||
9e2f7c11 | 1671 | if (r < 0) |
034c6ed7 LP |
1672 | goto fail; |
1673 | ||
4f2d528d | 1674 | |
87f0e418 | 1675 | if ((r = unit_watch_pid(UNIT(s), pid)) < 0) |
034c6ed7 LP |
1676 | /* FIXME: we need to do something here */ |
1677 | goto fail; | |
1678 | ||
2105e76a LP |
1679 | free(fdsbuf); |
1680 | strv_free(argv); | |
1681 | strv_free(our_env); | |
1682 | strv_free(final_env); | |
1683 | ||
034c6ed7 LP |
1684 | *_pid = pid; |
1685 | ||
5cb5a6ff | 1686 | return 0; |
034c6ed7 LP |
1687 | |
1688 | fail: | |
2105e76a | 1689 | free(fdsbuf); |
c952c6ec | 1690 | strv_free(argv); |
2105e76a LP |
1691 | strv_free(our_env); |
1692 | strv_free(final_env); | |
c952c6ec | 1693 | |
034c6ed7 | 1694 | if (timeout) |
acbb0225 | 1695 | unit_unwatch_timer(UNIT(s), &s->timer_watch); |
034c6ed7 LP |
1696 | |
1697 | return r; | |
1698 | } | |
1699 | ||
80876c20 LP |
1700 | static int main_pid_good(Service *s) { |
1701 | assert(s); | |
1702 | ||
1703 | /* Returns 0 if the pid is dead, 1 if it is good, -1 if we | |
1704 | * don't know */ | |
1705 | ||
1706 | /* If we know the pid file, then lets just check if it is | |
1707 | * still valid */ | |
1708 | if (s->main_pid_known) | |
1709 | return s->main_pid > 0; | |
1710 | ||
1711 | /* We don't know the pid */ | |
1712 | return -EAGAIN; | |
1713 | } | |
1714 | ||
1715 | static int control_pid_good(Service *s) { | |
1716 | assert(s); | |
1717 | ||
1718 | return s->control_pid > 0; | |
1719 | } | |
1720 | ||
1721 | static int cgroup_good(Service *s) { | |
1722 | int r; | |
1723 | ||
1724 | assert(s); | |
1725 | ||
4cd1fbcc | 1726 | if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0) |
80876c20 LP |
1727 | return r; |
1728 | ||
1729 | return !r; | |
1730 | } | |
1731 | ||
034c6ed7 LP |
1732 | static void service_enter_dead(Service *s, bool success, bool allow_restart) { |
1733 | int r; | |
1734 | assert(s); | |
1735 | ||
1736 | if (!success) | |
1737 | s->failure = true; | |
1738 | ||
1739 | if (allow_restart && | |
47342320 | 1740 | !s->forbid_restart && |
034c6ed7 | 1741 | (s->restart == SERVICE_RESTART_ALWAYS || |
50caaedb LP |
1742 | (s->restart == SERVICE_RESTART_ON_SUCCESS && !s->failure) || |
1743 | (s->restart == SERVICE_RESTART_ON_FAILURE && s->failure) || | |
1744 | (s->restart == SERVICE_RESTART_ON_ABORT && s->failure && | |
1745 | (s->main_exec_status.code == CLD_KILLED || | |
1746 | s->main_exec_status.code == CLD_DUMPED)))) { | |
034c6ed7 | 1747 | |
acbb0225 | 1748 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) |
034c6ed7 LP |
1749 | goto fail; |
1750 | ||
1751 | service_set_state(s, SERVICE_AUTO_RESTART); | |
1752 | } else | |
fdf20a31 | 1753 | service_set_state(s, s->failure ? SERVICE_FAILED : SERVICE_DEAD); |
034c6ed7 | 1754 | |
47342320 LP |
1755 | s->forbid_restart = false; |
1756 | ||
034c6ed7 LP |
1757 | return; |
1758 | ||
1759 | fail: | |
4cd1fbcc | 1760 | log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1761 | service_enter_dead(s, false, false); |
1762 | } | |
1763 | ||
1764 | static void service_enter_signal(Service *s, ServiceState state, bool success); | |
1765 | ||
1766 | static void service_enter_stop_post(Service *s, bool success) { | |
1767 | int r; | |
1768 | assert(s); | |
1769 | ||
1770 | if (!success) | |
1771 | s->failure = true; | |
1772 | ||
5e94833f LP |
1773 | service_unwatch_control_pid(s); |
1774 | ||
a16e1123 | 1775 | s->control_command_id = SERVICE_EXEC_STOP_POST; |
80876c20 | 1776 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP_POST])) { |
81a2b7ce LP |
1777 | if ((r = service_spawn(s, |
1778 | s->control_command, | |
1779 | true, | |
1780 | false, | |
1781 | !s->permissions_start_only, | |
1782 | !s->root_directory_start_only, | |
1e3ad081 | 1783 | true, |
c952c6ec | 1784 | false, |
81a2b7ce | 1785 | &s->control_pid)) < 0) |
034c6ed7 LP |
1786 | goto fail; |
1787 | ||
d6ea93e3 | 1788 | |
80876c20 LP |
1789 | service_set_state(s, SERVICE_STOP_POST); |
1790 | } else | |
1791 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, true); | |
034c6ed7 LP |
1792 | |
1793 | return; | |
1794 | ||
1795 | fail: | |
4cd1fbcc | 1796 | log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1797 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
1798 | } | |
1799 | ||
1800 | static void service_enter_signal(Service *s, ServiceState state, bool success) { | |
1801 | int r; | |
ca949c9d LP |
1802 | Set *pid_set = NULL; |
1803 | bool wait_for_exit = false; | |
034c6ed7 LP |
1804 | |
1805 | assert(s); | |
1806 | ||
1807 | if (!success) | |
1808 | s->failure = true; | |
1809 | ||
2e22afe9 LP |
1810 | if (s->exec_context.kill_mode != KILL_NONE) { |
1811 | int sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? s->exec_context.kill_signal : SIGKILL; | |
034c6ed7 | 1812 | |
ca949c9d LP |
1813 | if (s->main_pid > 0) { |
1814 | if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ? | |
1815 | -s->main_pid : | |
1816 | s->main_pid, sig) < 0 && errno != ESRCH) | |
034c6ed7 | 1817 | |
ca949c9d LP |
1818 | log_warning("Failed to kill main process %li: %m", (long) s->main_pid); |
1819 | else | |
1820 | wait_for_exit = true; | |
034c6ed7 LP |
1821 | } |
1822 | ||
ca949c9d LP |
1823 | if (s->control_pid > 0) { |
1824 | if (kill(s->exec_context.kill_mode == KILL_PROCESS_GROUP ? | |
1825 | -s->control_pid : | |
1826 | s->control_pid, sig) < 0 && errno != ESRCH) | |
80876c20 | 1827 | |
ca949c9d LP |
1828 | log_warning("Failed to kill control process %li: %m", (long) s->control_pid); |
1829 | else | |
1830 | wait_for_exit = true; | |
1831 | } | |
50159e6a | 1832 | |
ca949c9d | 1833 | if (s->exec_context.kill_mode == KILL_CONTROL_GROUP) { |
50159e6a | 1834 | |
ca949c9d LP |
1835 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) { |
1836 | r = -ENOMEM; | |
50159e6a | 1837 | goto fail; |
ca949c9d LP |
1838 | } |
1839 | ||
1840 | /* Exclude the main/control pids from being killed via the cgroup */ | |
1841 | if (s->main_pid > 0) | |
1842 | if ((r = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) | |
1843 | goto fail; | |
1844 | ||
1845 | if (s->control_pid > 0) | |
1846 | if ((r = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) | |
1847 | goto fail; | |
1848 | ||
1849 | if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig, pid_set)) < 0) { | |
1850 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) | |
1851 | log_warning("Failed to kill control group: %s", strerror(-r)); | |
f5a50114 | 1852 | } else if (r > 0) |
ca949c9d LP |
1853 | wait_for_exit = true; |
1854 | ||
1855 | set_free(pid_set); | |
50159e6a | 1856 | } |
d6ea93e3 | 1857 | } |
034c6ed7 | 1858 | |
ca949c9d | 1859 | if (wait_for_exit) { |
e558336f LP |
1860 | if (s->timeout_usec > 0) |
1861 | if ((r = unit_watch_timer(UNIT(s), s->timeout_usec, &s->timer_watch)) < 0) | |
1862 | goto fail; | |
d6ea93e3 | 1863 | |
80876c20 LP |
1864 | service_set_state(s, state); |
1865 | } else if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) | |
1866 | service_enter_stop_post(s, true); | |
1867 | else | |
034c6ed7 LP |
1868 | service_enter_dead(s, true, true); |
1869 | ||
1870 | return; | |
1871 | ||
1872 | fail: | |
4cd1fbcc | 1873 | log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 1874 | |
80876c20 | 1875 | if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) |
034c6ed7 LP |
1876 | service_enter_stop_post(s, false); |
1877 | else | |
1878 | service_enter_dead(s, false, true); | |
ca949c9d LP |
1879 | |
1880 | if (pid_set) | |
1881 | set_free(pid_set); | |
034c6ed7 LP |
1882 | } |
1883 | ||
1884 | static void service_enter_stop(Service *s, bool success) { | |
1885 | int r; | |
5925dd3c | 1886 | |
034c6ed7 LP |
1887 | assert(s); |
1888 | ||
1889 | if (!success) | |
1890 | s->failure = true; | |
1891 | ||
5e94833f LP |
1892 | service_unwatch_control_pid(s); |
1893 | ||
a16e1123 | 1894 | s->control_command_id = SERVICE_EXEC_STOP; |
80876c20 | 1895 | if ((s->control_command = s->exec_command[SERVICE_EXEC_STOP])) { |
81a2b7ce LP |
1896 | if ((r = service_spawn(s, |
1897 | s->control_command, | |
1898 | true, | |
1899 | false, | |
1900 | !s->permissions_start_only, | |
1901 | !s->root_directory_start_only, | |
c952c6ec | 1902 | false, |
1e3ad081 | 1903 | false, |
e55224ca | 1904 | &s->control_pid)) < 0) |
034c6ed7 LP |
1905 | goto fail; |
1906 | ||
80876c20 LP |
1907 | service_set_state(s, SERVICE_STOP); |
1908 | } else | |
034c6ed7 LP |
1909 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); |
1910 | ||
1911 | return; | |
1912 | ||
1913 | fail: | |
4cd1fbcc | 1914 | log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1915 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
1916 | } | |
1917 | ||
80876c20 | 1918 | static void service_enter_running(Service *s, bool success) { |
4eab639f | 1919 | int main_pid_ok, cgroup_ok; |
80876c20 LP |
1920 | assert(s); |
1921 | ||
1922 | if (!success) | |
1923 | s->failure = true; | |
1924 | ||
4eab639f LP |
1925 | main_pid_ok = main_pid_good(s); |
1926 | cgroup_ok = cgroup_good(s); | |
1927 | ||
1928 | if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && | |
05e343b7 | 1929 | (s->bus_name_good || s->type != SERVICE_DBUS)) |
80876c20 | 1930 | service_set_state(s, SERVICE_RUNNING); |
02ee865a | 1931 | else if (s->remain_after_exit) |
80876c20 LP |
1932 | service_set_state(s, SERVICE_EXITED); |
1933 | else | |
1934 | service_enter_stop(s, true); | |
1935 | } | |
1936 | ||
034c6ed7 LP |
1937 | static void service_enter_start_post(Service *s) { |
1938 | int r; | |
1939 | assert(s); | |
1940 | ||
5e94833f LP |
1941 | service_unwatch_control_pid(s); |
1942 | ||
a16e1123 | 1943 | s->control_command_id = SERVICE_EXEC_START_POST; |
80876c20 | 1944 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_POST])) { |
81a2b7ce LP |
1945 | if ((r = service_spawn(s, |
1946 | s->control_command, | |
1947 | true, | |
1948 | false, | |
1949 | !s->permissions_start_only, | |
1950 | !s->root_directory_start_only, | |
c952c6ec | 1951 | false, |
1e3ad081 | 1952 | false, |
e55224ca | 1953 | &s->control_pid)) < 0) |
034c6ed7 LP |
1954 | goto fail; |
1955 | ||
80876c20 LP |
1956 | service_set_state(s, SERVICE_START_POST); |
1957 | } else | |
1958 | service_enter_running(s, true); | |
034c6ed7 LP |
1959 | |
1960 | return; | |
1961 | ||
1962 | fail: | |
4cd1fbcc | 1963 | log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
1964 | service_enter_stop(s, false); |
1965 | } | |
1966 | ||
1967 | static void service_enter_start(Service *s) { | |
1968 | pid_t pid; | |
1969 | int r; | |
1970 | ||
1971 | assert(s); | |
1972 | ||
1973 | assert(s->exec_command[SERVICE_EXEC_START]); | |
34e9ba66 | 1974 | assert(!s->exec_command[SERVICE_EXEC_START]->command_next || s->type == SERVICE_ONESHOT); |
034c6ed7 | 1975 | |
80876c20 LP |
1976 | if (s->type == SERVICE_FORKING) |
1977 | service_unwatch_control_pid(s); | |
1978 | else | |
1979 | service_unwatch_main_pid(s); | |
1980 | ||
34e9ba66 LP |
1981 | s->control_command_id = SERVICE_EXEC_START; |
1982 | s->control_command = s->exec_command[SERVICE_EXEC_START]; | |
1983 | ||
81a2b7ce | 1984 | if ((r = service_spawn(s, |
34e9ba66 | 1985 | s->control_command, |
8c47c732 | 1986 | s->type == SERVICE_FORKING || s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY, |
81a2b7ce LP |
1987 | true, |
1988 | true, | |
1989 | true, | |
1e3ad081 | 1990 | true, |
c952c6ec | 1991 | s->notify_access != NOTIFY_NONE, |
81a2b7ce | 1992 | &pid)) < 0) |
034c6ed7 LP |
1993 | goto fail; |
1994 | ||
1995 | if (s->type == SERVICE_SIMPLE) { | |
1996 | /* For simple services we immediately start | |
1997 | * the START_POST binaries. */ | |
1998 | ||
5925dd3c | 1999 | service_set_main_pid(s, pid); |
034c6ed7 LP |
2000 | service_enter_start_post(s); |
2001 | ||
2002 | } else if (s->type == SERVICE_FORKING) { | |
2003 | ||
2004 | /* For forking services we wait until the start | |
2005 | * process exited. */ | |
2006 | ||
e55224ca | 2007 | s->control_pid = pid; |
80876c20 LP |
2008 | service_set_state(s, SERVICE_START); |
2009 | ||
34e9ba66 | 2010 | } else if (s->type == SERVICE_ONESHOT || |
8c47c732 LP |
2011 | s->type == SERVICE_DBUS || |
2012 | s->type == SERVICE_NOTIFY) { | |
7d55e835 | 2013 | |
34e9ba66 | 2014 | /* For oneshot services we wait until the start |
7d55e835 LP |
2015 | * process exited, too, but it is our main process. */ |
2016 | ||
05e343b7 | 2017 | /* For D-Bus services we know the main pid right away, |
8c47c732 LP |
2018 | * but wait for the bus name to appear on the |
2019 | * bus. Notify services are similar. */ | |
05e343b7 | 2020 | |
5925dd3c | 2021 | service_set_main_pid(s, pid); |
80876c20 | 2022 | service_set_state(s, SERVICE_START); |
034c6ed7 LP |
2023 | } else |
2024 | assert_not_reached("Unknown service type"); | |
2025 | ||
2026 | return; | |
2027 | ||
2028 | fail: | |
4cd1fbcc | 2029 | log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r)); |
80876c20 | 2030 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2031 | } |
2032 | ||
2033 | static void service_enter_start_pre(Service *s) { | |
2034 | int r; | |
2035 | ||
2036 | assert(s); | |
2037 | ||
5e94833f LP |
2038 | service_unwatch_control_pid(s); |
2039 | ||
a16e1123 | 2040 | s->control_command_id = SERVICE_EXEC_START_PRE; |
80876c20 | 2041 | if ((s->control_command = s->exec_command[SERVICE_EXEC_START_PRE])) { |
81a2b7ce LP |
2042 | if ((r = service_spawn(s, |
2043 | s->control_command, | |
2044 | true, | |
2045 | false, | |
2046 | !s->permissions_start_only, | |
2047 | !s->root_directory_start_only, | |
1e3ad081 | 2048 | true, |
c952c6ec | 2049 | false, |
e55224ca | 2050 | &s->control_pid)) < 0) |
034c6ed7 LP |
2051 | goto fail; |
2052 | ||
80876c20 LP |
2053 | service_set_state(s, SERVICE_START_PRE); |
2054 | } else | |
034c6ed7 LP |
2055 | service_enter_start(s); |
2056 | ||
2057 | return; | |
2058 | ||
2059 | fail: | |
4cd1fbcc | 2060 | log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
2061 | service_enter_dead(s, false, true); |
2062 | } | |
2063 | ||
2064 | static void service_enter_restart(Service *s) { | |
2065 | int r; | |
398ef8ba LP |
2066 | DBusError error; |
2067 | ||
034c6ed7 | 2068 | assert(s); |
398ef8ba | 2069 | dbus_error_init(&error); |
034c6ed7 | 2070 | |
2edfa366 LP |
2071 | if (s->meta.job) { |
2072 | log_info("Job pending for unit, delaying automatic restart."); | |
2073 | ||
2074 | if ((r = unit_watch_timer(UNIT(s), s->restart_usec, &s->timer_watch)) < 0) | |
2075 | goto fail; | |
2076 | } | |
2077 | ||
9ea9a0c8 LP |
2078 | service_enter_dead(s, true, false); |
2079 | ||
7b2603e6 | 2080 | if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, &error, NULL)) < 0) |
034c6ed7 LP |
2081 | goto fail; |
2082 | ||
4cd1fbcc | 2083 | log_debug("%s scheduled restart job.", s->meta.id); |
034c6ed7 LP |
2084 | return; |
2085 | ||
2086 | fail: | |
398ef8ba | 2087 | log_warning("%s failed to schedule restart job: %s", s->meta.id, bus_error(&error, -r)); |
034c6ed7 | 2088 | service_enter_dead(s, false, false); |
398ef8ba LP |
2089 | |
2090 | dbus_error_free(&error); | |
034c6ed7 LP |
2091 | } |
2092 | ||
2093 | static void service_enter_reload(Service *s) { | |
2094 | int r; | |
2095 | ||
2096 | assert(s); | |
2097 | ||
5e94833f LP |
2098 | service_unwatch_control_pid(s); |
2099 | ||
a16e1123 | 2100 | s->control_command_id = SERVICE_EXEC_RELOAD; |
80876c20 | 2101 | if ((s->control_command = s->exec_command[SERVICE_EXEC_RELOAD])) { |
81a2b7ce LP |
2102 | if ((r = service_spawn(s, |
2103 | s->control_command, | |
2104 | true, | |
2105 | false, | |
2106 | !s->permissions_start_only, | |
2107 | !s->root_directory_start_only, | |
c952c6ec | 2108 | false, |
1e3ad081 | 2109 | false, |
e55224ca | 2110 | &s->control_pid)) < 0) |
034c6ed7 LP |
2111 | goto fail; |
2112 | ||
80876c20 LP |
2113 | service_set_state(s, SERVICE_RELOAD); |
2114 | } else | |
2115 | service_enter_running(s, true); | |
034c6ed7 LP |
2116 | |
2117 | return; | |
2118 | ||
2119 | fail: | |
4cd1fbcc | 2120 | log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r)); |
034c6ed7 LP |
2121 | service_enter_stop(s, false); |
2122 | } | |
2123 | ||
34e9ba66 | 2124 | static void service_run_next_control(Service *s, bool success) { |
034c6ed7 LP |
2125 | int r; |
2126 | ||
2127 | assert(s); | |
2128 | assert(s->control_command); | |
2129 | assert(s->control_command->command_next); | |
2130 | ||
2131 | if (!success) | |
2132 | s->failure = true; | |
2133 | ||
34e9ba66 | 2134 | assert(s->control_command_id != SERVICE_EXEC_START); |
034c6ed7 | 2135 | |
34e9ba66 | 2136 | s->control_command = s->control_command->command_next; |
5e94833f LP |
2137 | service_unwatch_control_pid(s); |
2138 | ||
81a2b7ce LP |
2139 | if ((r = service_spawn(s, |
2140 | s->control_command, | |
2141 | true, | |
2142 | false, | |
2143 | !s->permissions_start_only, | |
2144 | !s->root_directory_start_only, | |
5830833f LP |
2145 | s->control_command_id == SERVICE_EXEC_START_PRE || |
2146 | s->control_command_id == SERVICE_EXEC_STOP_POST, | |
1e3ad081 | 2147 | false, |
e55224ca | 2148 | &s->control_pid)) < 0) |
034c6ed7 LP |
2149 | goto fail; |
2150 | ||
2151 | return; | |
2152 | ||
2153 | fail: | |
34e9ba66 | 2154 | log_warning("%s failed to run next control task: %s", s->meta.id, strerror(-r)); |
034c6ed7 | 2155 | |
80876c20 LP |
2156 | if (s->state == SERVICE_START_PRE) |
2157 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
2158 | else if (s->state == SERVICE_STOP) | |
2159 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); | |
034c6ed7 LP |
2160 | else if (s->state == SERVICE_STOP_POST) |
2161 | service_enter_dead(s, false, true); | |
2162 | else | |
2163 | service_enter_stop(s, false); | |
5cb5a6ff LP |
2164 | } |
2165 | ||
34e9ba66 LP |
2166 | static void service_run_next_main(Service *s, bool success) { |
2167 | pid_t pid; | |
2168 | int r; | |
2169 | ||
2170 | assert(s); | |
2171 | assert(s->control_command); | |
2172 | assert(s->control_command->command_next); | |
2173 | ||
2174 | if (!success) | |
2175 | s->failure = true; | |
2176 | ||
2177 | assert(s->control_command_id == SERVICE_EXEC_START); | |
2178 | assert(s->type == SERVICE_ONESHOT); | |
2179 | ||
2180 | s->control_command = s->control_command->command_next; | |
2181 | service_unwatch_main_pid(s); | |
2182 | ||
2183 | if ((r = service_spawn(s, | |
2184 | s->control_command, | |
2185 | false, | |
2186 | true, | |
2187 | true, | |
2188 | true, | |
2189 | true, | |
2190 | s->notify_access != NOTIFY_NONE, | |
2191 | &pid)) < 0) | |
2192 | goto fail; | |
2193 | ||
2194 | service_set_main_pid(s, pid); | |
2195 | ||
2196 | return; | |
2197 | ||
2198 | fail: | |
2199 | log_warning("%s failed to run next main task: %s", s->meta.id, strerror(-r)); | |
2200 | service_enter_stop(s, false); | |
2201 | } | |
2202 | ||
87f0e418 LP |
2203 | static int service_start(Unit *u) { |
2204 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2205 | |
2206 | assert(s); | |
2207 | ||
034c6ed7 LP |
2208 | /* We cannot fulfill this request right now, try again later |
2209 | * please! */ | |
2210 | if (s->state == SERVICE_STOP || | |
2211 | s->state == SERVICE_STOP_SIGTERM || | |
2212 | s->state == SERVICE_STOP_SIGKILL || | |
2213 | s->state == SERVICE_STOP_POST || | |
2214 | s->state == SERVICE_FINAL_SIGTERM || | |
2215 | s->state == SERVICE_FINAL_SIGKILL) | |
5cb5a6ff LP |
2216 | return -EAGAIN; |
2217 | ||
034c6ed7 LP |
2218 | /* Already on it! */ |
2219 | if (s->state == SERVICE_START_PRE || | |
2220 | s->state == SERVICE_START || | |
2221 | s->state == SERVICE_START_POST) | |
2222 | return 0; | |
2223 | ||
fdf20a31 | 2224 | assert(s->state == SERVICE_DEAD || s->state == SERVICE_FAILED || s->state == SERVICE_AUTO_RESTART); |
5cb5a6ff | 2225 | |
1e2e8133 LP |
2226 | /* Make sure we don't enter a busy loop of some kind. */ |
2227 | if (!ratelimit_test(&s->ratelimit)) { | |
9e2f7c11 | 2228 | log_warning("%s start request repeated too quickly, refusing to start.", u->meta.id); |
d5159713 | 2229 | return -ECANCELED; |
1e2e8133 LP |
2230 | } |
2231 | ||
034c6ed7 LP |
2232 | s->failure = false; |
2233 | s->main_pid_known = false; | |
47342320 | 2234 | s->forbid_restart = false; |
034c6ed7 LP |
2235 | |
2236 | service_enter_start_pre(s); | |
2237 | return 0; | |
5cb5a6ff LP |
2238 | } |
2239 | ||
87f0e418 LP |
2240 | static int service_stop(Unit *u) { |
2241 | Service *s = SERVICE(u); | |
5cb5a6ff LP |
2242 | |
2243 | assert(s); | |
2244 | ||
3f6c78dc LP |
2245 | /* This is a user request, so don't do restarts on this |
2246 | * shutdown. */ | |
47342320 | 2247 | s->forbid_restart = true; |
034c6ed7 | 2248 | |
e537352b LP |
2249 | /* Already on it */ |
2250 | if (s->state == SERVICE_STOP || | |
2251 | s->state == SERVICE_STOP_SIGTERM || | |
2252 | s->state == SERVICE_STOP_SIGKILL || | |
2253 | s->state == SERVICE_STOP_POST || | |
2254 | s->state == SERVICE_FINAL_SIGTERM || | |
2255 | s->state == SERVICE_FINAL_SIGKILL) | |
2256 | return 0; | |
2257 | ||
3f6c78dc | 2258 | /* Don't allow a restart */ |
034c6ed7 LP |
2259 | if (s->state == SERVICE_AUTO_RESTART) { |
2260 | service_set_state(s, SERVICE_DEAD); | |
2261 | return 0; | |
2262 | } | |
2263 | ||
3f6c78dc LP |
2264 | /* If there's already something running we go directly into |
2265 | * kill mode. */ | |
2266 | if (s->state == SERVICE_START_PRE || | |
2267 | s->state == SERVICE_START || | |
2268 | s->state == SERVICE_START_POST || | |
2269 | s->state == SERVICE_RELOAD) { | |
2270 | service_enter_signal(s, SERVICE_STOP_SIGTERM, true); | |
2271 | return 0; | |
2272 | } | |
5cb5a6ff | 2273 | |
3f6c78dc LP |
2274 | assert(s->state == SERVICE_RUNNING || |
2275 | s->state == SERVICE_EXITED); | |
3a762661 | 2276 | |
034c6ed7 | 2277 | service_enter_stop(s, true); |
5cb5a6ff LP |
2278 | return 0; |
2279 | } | |
2280 | ||
87f0e418 LP |
2281 | static int service_reload(Unit *u) { |
2282 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2283 | |
2284 | assert(s); | |
2285 | ||
80876c20 | 2286 | assert(s->state == SERVICE_RUNNING || s->state == SERVICE_EXITED); |
034c6ed7 LP |
2287 | |
2288 | service_enter_reload(s); | |
5cb5a6ff LP |
2289 | return 0; |
2290 | } | |
2291 | ||
87f0e418 LP |
2292 | static bool service_can_reload(Unit *u) { |
2293 | Service *s = SERVICE(u); | |
034c6ed7 LP |
2294 | |
2295 | assert(s); | |
2296 | ||
2297 | return !!s->exec_command[SERVICE_EXEC_RELOAD]; | |
2298 | } | |
2299 | ||
a16e1123 LP |
2300 | static int service_serialize(Unit *u, FILE *f, FDSet *fds) { |
2301 | Service *s = SERVICE(u); | |
2302 | ||
2303 | assert(u); | |
2304 | assert(f); | |
2305 | assert(fds); | |
2306 | ||
2307 | unit_serialize_item(u, f, "state", service_state_to_string(s->state)); | |
2308 | unit_serialize_item(u, f, "failure", yes_no(s->failure)); | |
2309 | ||
2310 | if (s->control_pid > 0) | |
5925dd3c | 2311 | unit_serialize_item_format(u, f, "control-pid", "%lu", (unsigned long) s->control_pid); |
a16e1123 | 2312 | |
5925dd3c LP |
2313 | if (s->main_pid_known && s->main_pid > 0) |
2314 | unit_serialize_item_format(u, f, "main-pid", "%lu", (unsigned long) s->main_pid); | |
a16e1123 LP |
2315 | |
2316 | unit_serialize_item(u, f, "main-pid-known", yes_no(s->main_pid_known)); | |
2317 | ||
3a2776bc LP |
2318 | if (s->status_text) |
2319 | unit_serialize_item(u, f, "status-text", s->status_text); | |
2320 | ||
a16e1123 LP |
2321 | /* There's a minor uncleanliness here: if there are multiple |
2322 | * commands attached here, we will start from the first one | |
2323 | * again */ | |
2324 | if (s->control_command_id >= 0) | |
825636e5 | 2325 | unit_serialize_item(u, f, "control-command", service_exec_command_to_string(s->control_command_id)); |
a16e1123 LP |
2326 | |
2327 | if (s->socket_fd >= 0) { | |
2328 | int copy; | |
2329 | ||
2330 | if ((copy = fdset_put_dup(fds, s->socket_fd)) < 0) | |
2331 | return copy; | |
2332 | ||
2333 | unit_serialize_item_format(u, f, "socket-fd", "%i", copy); | |
2334 | } | |
2335 | ||
ecdbca40 LP |
2336 | if (s->main_exec_status.pid > 0) { |
2337 | unit_serialize_item_format(u, f, "main-exec-status-pid", "%lu", (unsigned long) s->main_exec_status.pid); | |
799fd0fd LP |
2338 | dual_timestamp_serialize(f, "main-exec-status-start", &s->main_exec_status.start_timestamp); |
2339 | dual_timestamp_serialize(f, "main-exec-status-exit", &s->main_exec_status.exit_timestamp); | |
ecdbca40 | 2340 | |
799fd0fd | 2341 | if (dual_timestamp_is_set(&s->main_exec_status.exit_timestamp)) { |
ecdbca40 LP |
2342 | unit_serialize_item_format(u, f, "main-exec-status-code", "%i", s->main_exec_status.code); |
2343 | unit_serialize_item_format(u, f, "main-exec-status-status", "%i", s->main_exec_status.status); | |
2344 | } | |
2345 | } | |
2346 | ||
a16e1123 LP |
2347 | return 0; |
2348 | } | |
2349 | ||
2350 | static int service_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) { | |
2351 | Service *s = SERVICE(u); | |
a16e1123 LP |
2352 | |
2353 | assert(u); | |
2354 | assert(key); | |
2355 | assert(value); | |
2356 | assert(fds); | |
2357 | ||
2358 | if (streq(key, "state")) { | |
2359 | ServiceState state; | |
2360 | ||
2361 | if ((state = service_state_from_string(value)) < 0) | |
2362 | log_debug("Failed to parse state value %s", value); | |
2363 | else | |
2364 | s->deserialized_state = state; | |
2365 | } else if (streq(key, "failure")) { | |
2366 | int b; | |
2367 | ||
2368 | if ((b = parse_boolean(value)) < 0) | |
2369 | log_debug("Failed to parse failure value %s", value); | |
2370 | else | |
2371 | s->failure = b || s->failure; | |
2372 | } else if (streq(key, "control-pid")) { | |
5925dd3c | 2373 | pid_t pid; |
a16e1123 | 2374 | |
e364ad06 | 2375 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2376 | log_debug("Failed to parse control-pid value %s", value); |
2377 | else | |
e55224ca | 2378 | s->control_pid = pid; |
a16e1123 | 2379 | } else if (streq(key, "main-pid")) { |
5925dd3c | 2380 | pid_t pid; |
a16e1123 | 2381 | |
e364ad06 | 2382 | if (parse_pid(value, &pid) < 0) |
a16e1123 LP |
2383 | log_debug("Failed to parse main-pid value %s", value); |
2384 | else | |
5925dd3c | 2385 | service_set_main_pid(s, (pid_t) pid); |
a16e1123 LP |
2386 | } else if (streq(key, "main-pid-known")) { |
2387 | int b; | |
2388 | ||
2389 | if ((b = parse_boolean(value)) < 0) | |
2390 | log_debug("Failed to parse main-pid-known value %s", value); | |
2391 | else | |
2392 | s->main_pid_known = b; | |
3a2776bc LP |
2393 | } else if (streq(key, "status-text")) { |
2394 | char *t; | |
2395 | ||
2396 | if ((t = strdup(value))) { | |
2397 | free(s->status_text); | |
2398 | s->status_text = t; | |
2399 | } | |
2400 | ||
a16e1123 LP |
2401 | } else if (streq(key, "control-command")) { |
2402 | ServiceExecCommand id; | |
2403 | ||
2404 | if ((id = service_exec_command_from_string(value)) < 0) | |
2405 | log_debug("Failed to parse exec-command value %s", value); | |
2406 | else { | |
2407 | s->control_command_id = id; | |
2408 | s->control_command = s->exec_command[id]; | |
2409 | } | |
2410 | } else if (streq(key, "socket-fd")) { | |
2411 | int fd; | |
2412 | ||
2413 | if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd)) | |
2414 | log_debug("Failed to parse socket-fd value %s", value); | |
2415 | else { | |
2416 | ||
2417 | if (s->socket_fd >= 0) | |
2418 | close_nointr_nofail(s->socket_fd); | |
2419 | s->socket_fd = fdset_remove(fds, fd); | |
2420 | } | |
ecdbca40 LP |
2421 | } else if (streq(key, "main-exec-status-pid")) { |
2422 | pid_t pid; | |
2423 | ||
e364ad06 | 2424 | if (parse_pid(value, &pid) < 0) |
ecdbca40 LP |
2425 | log_debug("Failed to parse main-exec-status-pid value %s", value); |
2426 | else | |
2427 | s->main_exec_status.pid = pid; | |
2428 | } else if (streq(key, "main-exec-status-code")) { | |
2429 | int i; | |
2430 | ||
e364ad06 | 2431 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2432 | log_debug("Failed to parse main-exec-status-code value %s", value); |
2433 | else | |
2434 | s->main_exec_status.code = i; | |
2435 | } else if (streq(key, "main-exec-status-status")) { | |
2436 | int i; | |
2437 | ||
e364ad06 | 2438 | if (safe_atoi(value, &i) < 0) |
ecdbca40 LP |
2439 | log_debug("Failed to parse main-exec-status-status value %s", value); |
2440 | else | |
2441 | s->main_exec_status.status = i; | |
799fd0fd LP |
2442 | } else if (streq(key, "main-exec-status-start")) |
2443 | dual_timestamp_deserialize(value, &s->main_exec_status.start_timestamp); | |
2444 | else if (streq(key, "main-exec-status-exit")) | |
2445 | dual_timestamp_deserialize(value, &s->main_exec_status.exit_timestamp); | |
2446 | else | |
a16e1123 LP |
2447 | log_debug("Unknown serialization key '%s'", key); |
2448 | ||
2449 | return 0; | |
2450 | } | |
2451 | ||
87f0e418 LP |
2452 | static UnitActiveState service_active_state(Unit *u) { |
2453 | assert(u); | |
5cb5a6ff | 2454 | |
acbb0225 | 2455 | return state_translation_table[SERVICE(u)->state]; |
034c6ed7 LP |
2456 | } |
2457 | ||
10a94420 LP |
2458 | static const char *service_sub_state_to_string(Unit *u) { |
2459 | assert(u); | |
2460 | ||
2461 | return service_state_to_string(SERVICE(u)->state); | |
2462 | } | |
2463 | ||
07459bb6 | 2464 | #ifdef HAVE_SYSV_COMPAT |
701cc384 LP |
2465 | static bool service_check_gc(Unit *u) { |
2466 | Service *s = SERVICE(u); | |
2467 | ||
2468 | assert(s); | |
2469 | ||
2470 | return !!s->sysv_path; | |
2471 | } | |
07459bb6 | 2472 | #endif |
701cc384 LP |
2473 | |
2474 | static bool service_check_snapshot(Unit *u) { | |
2475 | Service *s = SERVICE(u); | |
2476 | ||
2477 | assert(s); | |
2478 | ||
2479 | return !s->got_socket_fd; | |
2480 | } | |
2481 | ||
87f0e418 LP |
2482 | static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { |
2483 | Service *s = SERVICE(u); | |
034c6ed7 | 2484 | bool success; |
5cb5a6ff LP |
2485 | |
2486 | assert(s); | |
034c6ed7 LP |
2487 | assert(pid >= 0); |
2488 | ||
f21781d5 | 2489 | if (!s->meta.fragment_path) |
d06dacd0 LP |
2490 | success = is_clean_exit_lsb(code, status); |
2491 | else | |
2492 | success = is_clean_exit(code, status); | |
034c6ed7 LP |
2493 | |
2494 | if (s->main_pid == pid) { | |
2495 | ||
034c6ed7 | 2496 | s->main_pid = 0; |
169c1bda | 2497 | exec_status_exit(&s->main_exec_status, pid, code, status, s->exec_context.utmp_id); |
034c6ed7 | 2498 | |
34e9ba66 LP |
2499 | if (s->type != SERVICE_FORKING && s->control_command) { |
2500 | s->control_command->exec_status = s->main_exec_status; | |
b708e7ce | 2501 | |
34e9ba66 | 2502 | if (s->control_command->ignore) |
b708e7ce | 2503 | success = true; |
034c6ed7 LP |
2504 | } |
2505 | ||
92abbefb LP |
2506 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
2507 | "%s: main process exited, code=%s, status=%i", u->meta.id, sigchld_code_to_string(code), status); | |
b708e7ce | 2508 | s->failure = s->failure || !success; |
034c6ed7 | 2509 | |
34e9ba66 LP |
2510 | if (s->control_command && |
2511 | s->control_command->command_next && | |
2512 | success) { | |
034c6ed7 | 2513 | |
34e9ba66 LP |
2514 | /* There is another command to * |
2515 | * execute, so let's do that. */ | |
034c6ed7 | 2516 | |
34e9ba66 LP |
2517 | log_debug("%s running next main command for state %s", u->meta.id, service_state_to_string(s->state)); |
2518 | service_run_next_main(s, success); | |
034c6ed7 | 2519 | |
34e9ba66 LP |
2520 | } else { |
2521 | ||
2522 | /* The service exited, so the service is officially | |
2523 | * gone. */ | |
2524 | ||
2525 | s->control_command = NULL; | |
2526 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2527 | ||
2528 | switch (s->state) { | |
2529 | ||
2530 | case SERVICE_START_POST: | |
2531 | case SERVICE_RELOAD: | |
2532 | case SERVICE_STOP: | |
2533 | /* Need to wait until the operation is | |
2534 | * done */ | |
c4653a4d | 2535 | break; |
7d55e835 | 2536 | |
34e9ba66 LP |
2537 | case SERVICE_START: |
2538 | if (s->type == SERVICE_ONESHOT) { | |
2539 | /* This was our main goal, so let's go on */ | |
2540 | if (success) | |
2541 | service_enter_start_post(s); | |
2542 | else | |
2543 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); | |
2544 | break; | |
2545 | } else { | |
2546 | assert(s->type == SERVICE_DBUS || s->type == SERVICE_NOTIFY); | |
7d55e835 | 2547 | |
34e9ba66 LP |
2548 | /* Fall through */ |
2549 | } | |
034c6ed7 | 2550 | |
34e9ba66 LP |
2551 | case SERVICE_RUNNING: |
2552 | service_enter_running(s, success); | |
2553 | break; | |
034c6ed7 | 2554 | |
34e9ba66 LP |
2555 | case SERVICE_STOP_SIGTERM: |
2556 | case SERVICE_STOP_SIGKILL: | |
5cb5a6ff | 2557 | |
34e9ba66 LP |
2558 | if (!control_pid_good(s)) |
2559 | service_enter_stop_post(s, success); | |
5cb5a6ff | 2560 | |
34e9ba66 LP |
2561 | /* If there is still a control process, wait for that first */ |
2562 | break; | |
2563 | ||
2564 | default: | |
2565 | assert_not_reached("Uh, main process died at wrong time."); | |
2566 | } | |
034c6ed7 | 2567 | } |
5cb5a6ff | 2568 | |
034c6ed7 | 2569 | } else if (s->control_pid == pid) { |
034c6ed7 | 2570 | |
34e9ba66 LP |
2571 | s->control_pid = 0; |
2572 | ||
b708e7ce | 2573 | if (s->control_command) { |
169c1bda | 2574 | exec_status_exit(&s->control_command->exec_status, pid, code, status, s->exec_context.utmp_id); |
a16e1123 | 2575 | |
b708e7ce LP |
2576 | if (s->control_command->ignore) |
2577 | success = true; | |
2578 | } | |
2579 | ||
34e9ba66 | 2580 | log_full(success ? LOG_DEBUG : LOG_NOTICE, |
92abbefb | 2581 | "%s: control process exited, code=%s status=%i", u->meta.id, sigchld_code_to_string(code), status); |
b708e7ce | 2582 | s->failure = s->failure || !success; |
034c6ed7 | 2583 | |
34e9ba66 LP |
2584 | if (s->control_command && |
2585 | s->control_command->command_next && | |
2586 | success) { | |
034c6ed7 LP |
2587 | |
2588 | /* There is another command to * | |
2589 | * execute, so let's do that. */ | |
2590 | ||
34e9ba66 LP |
2591 | log_debug("%s running next control command for state %s", u->meta.id, service_state_to_string(s->state)); |
2592 | service_run_next_control(s, success); | |
034c6ed7 | 2593 | |
80876c20 | 2594 | } else { |
034c6ed7 LP |
2595 | /* No further commands for this step, so let's |
2596 | * figure out what to do next */ | |
2597 | ||
a16e1123 LP |
2598 | s->control_command = NULL; |
2599 | s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID; | |
2600 | ||
9e2f7c11 | 2601 | log_debug("%s got final SIGCHLD for state %s", u->meta.id, service_state_to_string(s->state)); |
bd982a8b | 2602 | |
034c6ed7 LP |
2603 | switch (s->state) { |
2604 | ||
2605 | case SERVICE_START_PRE: | |
2606 | if (success) | |
2607 | service_enter_start(s); | |
2608 | else | |
80876c20 | 2609 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2610 | break; |
2611 | ||
2612 | case SERVICE_START: | |
2613 | assert(s->type == SERVICE_FORKING); | |
2614 | ||
2615 | /* Let's try to load the pid | |
2616 | * file here if we can. We | |
2617 | * ignore the return value, | |
2618 | * since the PID file might | |
2619 | * actually be created by a | |
2620 | * START_POST script */ | |
2621 | ||
2622 | if (success) { | |
4fbf50b3 LP |
2623 | service_load_pid_file(s); |
2624 | service_search_main_pid(s); | |
034c6ed7 LP |
2625 | |
2626 | service_enter_start_post(s); | |
2627 | } else | |
80876c20 | 2628 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
034c6ed7 LP |
2629 | |
2630 | break; | |
2631 | ||
2632 | case SERVICE_START_POST: | |
2633 | if (success && s->pid_file && !s->main_pid_known) { | |
2634 | int r; | |
2635 | ||
2636 | /* Hmm, let's see if we can | |
2637 | * load the pid now after the | |
2638 | * start-post scripts got | |
2639 | * executed. */ | |
2640 | ||
2641 | if ((r = service_load_pid_file(s)) < 0) | |
4cd1fbcc | 2642 | log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r)); |
034c6ed7 LP |
2643 | } |
2644 | ||
2645 | /* Fall through */ | |
2646 | ||
2647 | case SERVICE_RELOAD: | |
80876c20 LP |
2648 | if (success) |
2649 | service_enter_running(s, true); | |
2650 | else | |
034c6ed7 LP |
2651 | service_enter_stop(s, false); |
2652 | ||
2653 | break; | |
2654 | ||
2655 | case SERVICE_STOP: | |
80876c20 | 2656 | service_enter_signal(s, SERVICE_STOP_SIGTERM, success); |
034c6ed7 LP |
2657 | break; |
2658 | ||
2659 | case SERVICE_STOP_SIGTERM: | |
2660 | case SERVICE_STOP_SIGKILL: | |
2661 | if (main_pid_good(s) <= 0) | |
2662 | service_enter_stop_post(s, success); | |
2663 | ||
2664 | /* If there is still a service | |
2665 | * process around, wait until | |
2666 | * that one quit, too */ | |
2667 | break; | |
2668 | ||
2669 | case SERVICE_STOP_POST: | |
2670 | case SERVICE_FINAL_SIGTERM: | |
2671 | case SERVICE_FINAL_SIGKILL: | |
2672 | service_enter_dead(s, success, true); | |
2673 | break; | |
2674 | ||
2675 | default: | |
2676 | assert_not_reached("Uh, control process died at wrong time."); | |
2677 | } | |
2678 | } | |
8c47c732 | 2679 | } |
c4e2ceae LP |
2680 | |
2681 | /* Notify clients about changed exit status */ | |
2682 | unit_add_to_dbus_queue(u); | |
034c6ed7 LP |
2683 | } |
2684 | ||
acbb0225 | 2685 | static void service_timer_event(Unit *u, uint64_t elapsed, Watch* w) { |
87f0e418 | 2686 | Service *s = SERVICE(u); |
034c6ed7 LP |
2687 | |
2688 | assert(s); | |
2689 | assert(elapsed == 1); | |
2690 | ||
acbb0225 | 2691 | assert(w == &s->timer_watch); |
034c6ed7 LP |
2692 | |
2693 | switch (s->state) { | |
2694 | ||
2695 | case SERVICE_START_PRE: | |
2696 | case SERVICE_START: | |
9e2f7c11 | 2697 | log_warning("%s operation timed out. Terminating.", u->meta.id); |
80876c20 LP |
2698 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2699 | break; | |
2700 | ||
034c6ed7 LP |
2701 | case SERVICE_START_POST: |
2702 | case SERVICE_RELOAD: | |
9e2f7c11 | 2703 | log_warning("%s operation timed out. Stopping.", u->meta.id); |
034c6ed7 LP |
2704 | service_enter_stop(s, false); |
2705 | break; | |
2706 | ||
2707 | case SERVICE_STOP: | |
9e2f7c11 | 2708 | log_warning("%s stopping timed out. Terminating.", u->meta.id); |
034c6ed7 LP |
2709 | service_enter_signal(s, SERVICE_STOP_SIGTERM, false); |
2710 | break; | |
2711 | ||
2712 | case SERVICE_STOP_SIGTERM: | |
9e2f7c11 | 2713 | log_warning("%s stopping timed out. Killing.", u->meta.id); |
034c6ed7 LP |
2714 | service_enter_signal(s, SERVICE_STOP_SIGKILL, false); |
2715 | break; | |
2716 | ||
2717 | case SERVICE_STOP_SIGKILL: | |
2718 | /* Uh, wie sent a SIGKILL and it is still not gone? | |
2719 | * Must be something we cannot kill, so let's just be | |
2720 | * weirded out and continue */ | |
2721 | ||
9e2f7c11 | 2722 | log_warning("%s still around after SIGKILL. Ignoring.", u->meta.id); |
034c6ed7 LP |
2723 | service_enter_stop_post(s, false); |
2724 | break; | |
2725 | ||
2726 | case SERVICE_STOP_POST: | |
9e2f7c11 | 2727 | log_warning("%s stopping timed out (2). Terminating.", u->meta.id); |
034c6ed7 LP |
2728 | service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); |
2729 | break; | |
2730 | ||
2731 | case SERVICE_FINAL_SIGTERM: | |
9e2f7c11 | 2732 | log_warning("%s stopping timed out (2). Killing.", u->meta.id); |
034c6ed7 LP |
2733 | service_enter_signal(s, SERVICE_FINAL_SIGKILL, false); |
2734 | break; | |
2735 | ||
2736 | case SERVICE_FINAL_SIGKILL: | |
fdf20a31 | 2737 | log_warning("%s still around after SIGKILL (2). Entering failed mode.", u->meta.id); |
034c6ed7 LP |
2738 | service_enter_dead(s, false, true); |
2739 | break; | |
2740 | ||
2741 | case SERVICE_AUTO_RESTART: | |
54165a39 | 2742 | log_info("%s holdoff time over, scheduling restart.", u->meta.id); |
034c6ed7 LP |
2743 | service_enter_restart(s); |
2744 | break; | |
2745 | ||
2746 | default: | |
2747 | assert_not_reached("Timeout at wrong time."); | |
2748 | } | |
5cb5a6ff LP |
2749 | } |
2750 | ||
8e274523 LP |
2751 | static void service_cgroup_notify_event(Unit *u) { |
2752 | Service *s = SERVICE(u); | |
2753 | ||
2754 | assert(u); | |
2755 | ||
9e2f7c11 | 2756 | log_debug("%s: cgroup is empty", u->meta.id); |
8e274523 LP |
2757 | |
2758 | switch (s->state) { | |
2759 | ||
2760 | /* Waiting for SIGCHLD is usually more interesting, | |
2761 | * because it includes return codes/signals. Which is | |
2762 | * why we ignore the cgroup events for most cases, | |
2763 | * except when we don't know pid which to expect the | |
2764 | * SIGCHLD for. */ | |
2765 | ||
2766 | case SERVICE_RUNNING: | |
80876c20 | 2767 | service_enter_running(s, true); |
8e274523 LP |
2768 | break; |
2769 | ||
28708d8a LP |
2770 | case SERVICE_STOP_SIGTERM: |
2771 | case SERVICE_STOP_SIGKILL: | |
2772 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2773 | service_enter_stop_post(s, true); | |
2774 | ||
2775 | break; | |
2776 | ||
7f97f0fe LP |
2777 | case SERVICE_FINAL_SIGTERM: |
2778 | case SERVICE_FINAL_SIGKILL: | |
2779 | if (main_pid_good(s) <= 0 && !control_pid_good(s)) | |
2780 | service_enter_dead(s, true, true); | |
2781 | ||
2782 | break; | |
2783 | ||
8e274523 LP |
2784 | default: |
2785 | ; | |
2786 | } | |
2787 | } | |
2788 | ||
c952c6ec | 2789 | static void service_notify_message(Unit *u, pid_t pid, char **tags) { |
8c47c732 LP |
2790 | Service *s = SERVICE(u); |
2791 | const char *e; | |
2792 | ||
2793 | assert(u); | |
2794 | ||
c952c6ec LP |
2795 | if (s->notify_access == NOTIFY_NONE) { |
2796 | log_warning("%s: Got notification message from PID %lu, but reception is disabled.", | |
2797 | u->meta.id, (unsigned long) pid); | |
2798 | return; | |
2799 | } | |
2800 | ||
2801 | if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) { | |
2802 | log_warning("%s: Got notification message from PID %lu, but reception only permitted for PID %lu", | |
2803 | u->meta.id, (unsigned long) pid, (unsigned long) s->main_pid); | |
2804 | return; | |
2805 | } | |
2806 | ||
8c47c732 LP |
2807 | log_debug("%s: Got message", u->meta.id); |
2808 | ||
2809 | /* Interpret MAINPID= */ | |
2810 | if ((e = strv_find_prefix(tags, "MAINPID=")) && | |
2811 | (s->state == SERVICE_START || | |
2812 | s->state == SERVICE_START_POST || | |
2813 | s->state == SERVICE_RUNNING || | |
2814 | s->state == SERVICE_RELOAD)) { | |
8c47c732 | 2815 | |
5925dd3c | 2816 | if (parse_pid(e + 8, &pid) < 0) |
92abbefb | 2817 | log_warning("Failed to parse notification message %s", e); |
8c47c732 LP |
2818 | else { |
2819 | log_debug("%s: got %s", u->meta.id, e); | |
5925dd3c | 2820 | service_set_main_pid(s, pid); |
8c47c732 LP |
2821 | } |
2822 | } | |
2823 | ||
2824 | /* Interpret READY= */ | |
2825 | if (s->type == SERVICE_NOTIFY && | |
2826 | s->state == SERVICE_START && | |
2827 | strv_find(tags, "READY=1")) { | |
2828 | log_debug("%s: got READY=1", u->meta.id); | |
2829 | ||
2830 | service_enter_start_post(s); | |
2831 | } | |
2832 | ||
2833 | /* Interpret STATUS= */ | |
2834 | if ((e = strv_find_prefix(tags, "STATUS="))) { | |
2835 | char *t; | |
2836 | ||
3a2776bc LP |
2837 | if (e[7]) { |
2838 | if (!(t = strdup(e+7))) { | |
2839 | log_error("Failed to allocate string."); | |
2840 | return; | |
2841 | } | |
2842 | ||
2843 | log_debug("%s: got %s", u->meta.id, e); | |
8c47c732 | 2844 | |
3a2776bc LP |
2845 | free(s->status_text); |
2846 | s->status_text = t; | |
2847 | } else { | |
2848 | free(s->status_text); | |
2849 | s->status_text = NULL; | |
2850 | } | |
8c47c732 | 2851 | |
8c47c732 | 2852 | } |
c4e2ceae LP |
2853 | |
2854 | /* Notify clients about changed status or main pid */ | |
2855 | unit_add_to_dbus_queue(u); | |
8c47c732 LP |
2856 | } |
2857 | ||
07459bb6 | 2858 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 | 2859 | static int service_enumerate(Manager *m) { |
2c4104f0 LP |
2860 | char **p; |
2861 | unsigned i; | |
2862 | DIR *d = NULL; | |
2863 | char *path = NULL, *fpath = NULL, *name = NULL; | |
c68364b7 LP |
2864 | Set *runlevel_services[ELEMENTSOF(rcnd_table)], *shutdown_services = NULL; |
2865 | Unit *service; | |
2866 | Iterator j; | |
2c4104f0 | 2867 | int r; |
980900c1 TG |
2868 | #ifdef TARGET_ARCH |
2869 | Unit *previous = NULL; | |
2870 | char *arch_daemons = NULL; | |
2871 | char *arch_daemons_stripped = NULL; | |
2872 | char **arch_daemons_split = NULL; | |
2873 | #endif | |
2c4104f0 LP |
2874 | |
2875 | assert(m); | |
2876 | ||
980900c1 TG |
2877 | #ifdef TARGET_ARCH |
2878 | if ((r = parse_env_file("/etc/rc.conf", NEWLINE, | |
2879 | "DAEMONS", &arch_daemons, | |
2880 | NULL)) < 0) { | |
2881 | ||
2882 | if (r != -ENOENT) | |
2883 | log_warning("Failed to read /etc/rc.conf: %s", strerror(-r)); | |
2884 | ||
2885 | } else if (arch_daemons) { | |
2886 | if (!(arch_daemons_stripped = strchr(arch_daemons, '('))) | |
2887 | arch_daemons_stripped = arch_daemons; | |
2888 | else | |
2889 | arch_daemons_stripped++; /* strip start paren */ | |
2890 | ||
2891 | arch_daemons_stripped[strcspn(arch_daemons_stripped, ")")] = 0; /* strip end paren */ | |
2892 | ||
2893 | if (!(arch_daemons_split = strv_split_quoted(arch_daemons_stripped))) { | |
2894 | r = -ENOMEM; | |
2895 | goto finish; | |
2896 | } | |
2897 | ||
2898 | STRV_FOREACH(p, arch_daemons_split) { | |
2899 | ||
2900 | free(name); | |
409db002 | 2901 | name = NULL; |
980900c1 TG |
2902 | |
2903 | if (**p == '!') /* daemons prefixed with ! are disabled, so ignore them */ | |
2904 | continue; | |
2905 | ||
2906 | if (!(name = sysv_translate_name(*p))) { | |
2907 | r = -ENOMEM; | |
2908 | goto finish; | |
2909 | } | |
2910 | ||
2911 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { | |
2912 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); | |
2913 | continue; | |
2914 | } | |
2915 | ||
2916 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, "multi-user.target", NULL, true)) < 0) | |
2917 | goto finish; | |
2918 | ||
2919 | if (previous) | |
2920 | if ((r = unit_add_dependency(service, UNIT_AFTER, previous, true)) < 0) | |
2921 | goto finish; | |
2922 | ||
2923 | if (**p != '@') /* daemons prefixed with @ can be started in the background */ | |
2924 | previous = service; | |
2925 | } | |
2926 | } | |
2927 | #endif | |
2928 | ||
c68364b7 LP |
2929 | zero(runlevel_services); |
2930 | ||
84e3543e | 2931 | STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path) |
09cd1ab1 | 2932 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) { |
2c4104f0 LP |
2933 | struct dirent *de; |
2934 | ||
2935 | free(path); | |
2936 | path = NULL; | |
09cd1ab1 | 2937 | if (asprintf(&path, "%s/%s", *p, rcnd_table[i].path) < 0) { |
2c4104f0 LP |
2938 | r = -ENOMEM; |
2939 | goto finish; | |
2940 | } | |
2941 | ||
2942 | if (d) | |
2943 | closedir(d); | |
2944 | ||
2945 | if (!(d = opendir(path))) { | |
2946 | if (errno != ENOENT) | |
2947 | log_warning("opendir() failed on %s: %s", path, strerror(errno)); | |
2948 | ||
2949 | continue; | |
2950 | } | |
2951 | ||
2952 | while ((de = readdir(d))) { | |
db06e3b6 | 2953 | int a, b; |
2c4104f0 LP |
2954 | |
2955 | if (ignore_file(de->d_name)) | |
2956 | continue; | |
2957 | ||
2958 | if (de->d_name[0] != 'S' && de->d_name[0] != 'K') | |
2959 | continue; | |
2960 | ||
2961 | if (strlen(de->d_name) < 4) | |
2962 | continue; | |
2963 | ||
db06e3b6 LP |
2964 | a = undecchar(de->d_name[1]); |
2965 | b = undecchar(de->d_name[2]); | |
2966 | ||
2967 | if (a < 0 || b < 0) | |
2968 | continue; | |
2969 | ||
2c4104f0 LP |
2970 | free(fpath); |
2971 | fpath = NULL; | |
09cd1ab1 | 2972 | if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i].path, de->d_name) < 0) { |
2c4104f0 LP |
2973 | r = -ENOMEM; |
2974 | goto finish; | |
2975 | } | |
2976 | ||
2977 | if (access(fpath, X_OK) < 0) { | |
2978 | ||
2979 | if (errno != ENOENT) | |
2980 | log_warning("access() failed on %s: %s", fpath, strerror(errno)); | |
2981 | ||
2982 | continue; | |
2983 | } | |
2984 | ||
2985 | free(name); | |
b7ccee3c | 2986 | if (!(name = sysv_translate_name(de->d_name + 3))) { |
2c4104f0 LP |
2987 | r = -ENOMEM; |
2988 | goto finish; | |
2989 | } | |
2990 | ||
398ef8ba | 2991 | if ((r = manager_load_unit_prepare(m, name, NULL, NULL, &service)) < 0) { |
fbe9f3a9 LP |
2992 | log_warning("Failed to prepare unit %s: %s", name, strerror(-r)); |
2993 | continue; | |
2994 | } | |
2c4104f0 | 2995 | |
c68364b7 LP |
2996 | if (de->d_name[0] == 'S') { |
2997 | ||
f73d93a4 LP |
2998 | if (rcnd_table[i].type == RUNLEVEL_UP || rcnd_table[i].type == RUNLEVEL_SYSINIT) { |
2999 | SERVICE(service)->sysv_start_priority = | |
3000 | MAX(a*10 + b, SERVICE(service)->sysv_start_priority); | |
db06e3b6 | 3001 | |
c68364b7 | 3002 | SERVICE(service)->sysv_enabled = true; |
f73d93a4 | 3003 | } |
db06e3b6 | 3004 | |
c68364b7 LP |
3005 | if ((r = set_ensure_allocated(&runlevel_services[i], trivial_hash_func, trivial_compare_func)) < 0) |
3006 | goto finish; | |
2c4104f0 | 3007 | |
c68364b7 | 3008 | if ((r = set_put(runlevel_services[i], service)) < 0) |
2c4104f0 | 3009 | goto finish; |
23a177ef | 3010 | |
fc5df99e LP |
3011 | } else if (de->d_name[0] == 'K' && |
3012 | (rcnd_table[i].type == RUNLEVEL_DOWN || | |
3013 | rcnd_table[i].type == RUNLEVEL_SYSINIT)) { | |
6542952f | 3014 | |
c68364b7 LP |
3015 | if ((r = set_ensure_allocated(&shutdown_services, trivial_hash_func, trivial_compare_func)) < 0) |
3016 | goto finish; | |
3017 | ||
3018 | if ((r = set_put(shutdown_services, service)) < 0) | |
2c4104f0 LP |
3019 | goto finish; |
3020 | } | |
3021 | } | |
3022 | } | |
3023 | ||
c68364b7 LP |
3024 | /* Now we loaded all stubs and are aware of the lowest |
3025 | start-up priority for all services, not let's actually load | |
3026 | the services, this will also tell us which services are | |
3027 | actually native now */ | |
3028 | manager_dispatch_load_queue(m); | |
3029 | ||
3030 | /* If this is a native service, rely on native ways to pull in | |
3031 | * a service, don't pull it in via sysv rcN.d links. */ | |
3032 | for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) | |
3033 | SET_FOREACH(service, runlevel_services[i], j) { | |
3034 | service = unit_follow_merge(service); | |
3035 | ||
3036 | if (service->meta.fragment_path) | |
3037 | continue; | |
3038 | ||
3039 | if ((r = unit_add_two_dependencies_by_name_inverse(service, UNIT_AFTER, UNIT_WANTS, rcnd_table[i].target, NULL, true)) < 0) | |
3040 | goto finish; | |
3041 | } | |
3042 | ||
3043 | /* We honour K links only for halt/reboot. For the normal | |
3044 | * runlevels we assume the stop jobs will be implicitly added | |
3045 | * by the core logic. Also, we don't really distuingish here | |
3046 | * between the runlevels 0 and 6 and just add them to the | |
3047 | * special shutdown target. On SUSE the boot.d/ runlevel is | |
3048 | * also used for shutdown, so we add links for that too to the | |
3049 | * shutdown target.*/ | |
3050 | SET_FOREACH(service, shutdown_services, j) { | |
3051 | service = unit_follow_merge(service); | |
3052 | ||
3053 | if (service->meta.fragment_path) | |
3054 | continue; | |
3055 | ||
ead8e478 | 3056 | if ((r = unit_add_two_dependencies_by_name(service, UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true)) < 0) |
c68364b7 LP |
3057 | goto finish; |
3058 | } | |
3059 | ||
2c4104f0 LP |
3060 | r = 0; |
3061 | ||
3062 | finish: | |
3063 | free(path); | |
3064 | free(fpath); | |
3065 | free(name); | |
980900c1 TG |
3066 | #ifdef TARGET_ARCH |
3067 | free(arch_daemons); | |
3068 | free(arch_daemons_split); | |
3069 | #endif | |
fbe9f3a9 | 3070 | |
c68364b7 LP |
3071 | for (i = 0; i < ELEMENTSOF(rcnd_table); i++) |
3072 | set_free(runlevel_services[i]); | |
3073 | set_free(shutdown_services); | |
3074 | ||
fbe9f3a9 LP |
3075 | if (d) |
3076 | closedir(d); | |
2c4104f0 LP |
3077 | |
3078 | return r; | |
3079 | } | |
07459bb6 | 3080 | #endif |
2c4104f0 | 3081 | |
05e343b7 LP |
3082 | static void service_bus_name_owner_change( |
3083 | Unit *u, | |
3084 | const char *name, | |
3085 | const char *old_owner, | |
3086 | const char *new_owner) { | |
3087 | ||
3088 | Service *s = SERVICE(u); | |
3089 | ||
3090 | assert(s); | |
3091 | assert(name); | |
3092 | ||
3093 | assert(streq(s->bus_name, name)); | |
3094 | assert(old_owner || new_owner); | |
3095 | ||
3096 | if (old_owner && new_owner) | |
3097 | log_debug("%s's D-Bus name %s changed owner from %s to %s", u->meta.id, name, old_owner, new_owner); | |
3098 | else if (old_owner) | |
3099 | log_debug("%s's D-Bus name %s no longer registered by %s", u->meta.id, name, old_owner); | |
3100 | else | |
3101 | log_debug("%s's D-Bus name %s now registered by %s", u->meta.id, name, new_owner); | |
3102 | ||
3103 | s->bus_name_good = !!new_owner; | |
3104 | ||
3105 | if (s->type == SERVICE_DBUS) { | |
3106 | ||
3107 | /* service_enter_running() will figure out what to | |
3108 | * do */ | |
3109 | if (s->state == SERVICE_RUNNING) | |
3110 | service_enter_running(s, true); | |
3111 | else if (s->state == SERVICE_START && new_owner) | |
3112 | service_enter_start_post(s); | |
3113 | ||
3114 | } else if (new_owner && | |
3115 | s->main_pid <= 0 && | |
3116 | (s->state == SERVICE_START || | |
3117 | s->state == SERVICE_START_POST || | |
3118 | s->state == SERVICE_RUNNING || | |
3119 | s->state == SERVICE_RELOAD)) { | |
3120 | ||
3121 | /* Try to acquire PID from bus service */ | |
3122 | log_debug("Trying to acquire PID from D-Bus name..."); | |
3123 | ||
3124 | bus_query_pid(u->meta.manager, name); | |
3125 | } | |
3126 | } | |
3127 | ||
3128 | static void service_bus_query_pid_done( | |
3129 | Unit *u, | |
3130 | const char *name, | |
3131 | pid_t pid) { | |
3132 | ||
3133 | Service *s = SERVICE(u); | |
3134 | ||
3135 | assert(s); | |
3136 | assert(name); | |
3137 | ||
3138 | log_debug("%s's D-Bus name %s is now owned by process %u", u->meta.id, name, (unsigned) pid); | |
3139 | ||
3140 | if (s->main_pid <= 0 && | |
3141 | (s->state == SERVICE_START || | |
3142 | s->state == SERVICE_START_POST || | |
3143 | s->state == SERVICE_RUNNING || | |
3144 | s->state == SERVICE_RELOAD)) | |
5925dd3c | 3145 | service_set_main_pid(s, pid); |
05e343b7 LP |
3146 | } |
3147 | ||
6cf6bbc2 | 3148 | int service_set_socket_fd(Service *s, int fd, Socket *sock) { |
4f2d528d LP |
3149 | assert(s); |
3150 | assert(fd >= 0); | |
3151 | ||
3152 | /* This is called by the socket code when instantiating a new | |
3153 | * service for a stream socket and the socket needs to be | |
3154 | * configured. */ | |
3155 | ||
4cd1fbcc | 3156 | if (s->meta.load_state != UNIT_LOADED) |
4f2d528d LP |
3157 | return -EINVAL; |
3158 | ||
3159 | if (s->socket_fd >= 0) | |
3160 | return -EBUSY; | |
3161 | ||
3162 | if (s->state != SERVICE_DEAD) | |
3163 | return -EAGAIN; | |
3164 | ||
3165 | s->socket_fd = fd; | |
701cc384 | 3166 | s->got_socket_fd = true; |
f976f3f6 | 3167 | s->accept_socket = sock; |
6cf6bbc2 | 3168 | |
4f2d528d LP |
3169 | return 0; |
3170 | } | |
3171 | ||
fdf20a31 | 3172 | static void service_reset_failed(Unit *u) { |
5632e374 LP |
3173 | Service *s = SERVICE(u); |
3174 | ||
3175 | assert(s); | |
3176 | ||
fdf20a31 | 3177 | if (s->state == SERVICE_FAILED) |
5632e374 LP |
3178 | service_set_state(s, SERVICE_DEAD); |
3179 | ||
3180 | s->failure = false; | |
3181 | } | |
3182 | ||
8a0867d6 LP |
3183 | static int service_kill(Unit *u, KillWho who, KillMode mode, int signo, DBusError *error) { |
3184 | Service *s = SERVICE(u); | |
3185 | int r = 0; | |
3186 | Set *pid_set = NULL; | |
3187 | ||
3188 | assert(s); | |
3189 | ||
3190 | if (s->main_pid <= 0 && who == KILL_MAIN) { | |
3191 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No main process to kill"); | |
3192 | return -EINVAL; | |
3193 | } | |
3194 | ||
3195 | if (s->control_pid <= 0 && who == KILL_CONTROL) { | |
3196 | dbus_set_error(error, BUS_ERROR_NO_SUCH_PROCESS, "No control process to kill"); | |
3197 | return -ENOENT; | |
3198 | } | |
3199 | ||
3200 | if (s->control_pid > 0) | |
3201 | if (kill(mode == KILL_PROCESS_GROUP ? -s->control_pid : s->control_pid, signo) < 0) | |
3202 | r = -errno; | |
3203 | ||
3204 | if (s->main_pid > 0) | |
3205 | if (kill(mode == KILL_PROCESS_GROUP ? -s->main_pid : s->main_pid, signo) < 0) | |
3206 | r = -errno; | |
3207 | ||
3208 | if (mode == KILL_CONTROL_GROUP) { | |
3209 | int q; | |
3210 | ||
3211 | if (!(pid_set = set_new(trivial_hash_func, trivial_compare_func))) | |
3212 | return -ENOMEM; | |
3213 | ||
3214 | /* Exclude the control/main pid from being killed via the cgroup */ | |
3215 | if (s->control_pid > 0) | |
3216 | if ((q = set_put(pid_set, LONG_TO_PTR(s->control_pid))) < 0) { | |
3217 | r = q; | |
3218 | goto finish; | |
3219 | } | |
3220 | ||
3221 | if (s->main_pid > 0) | |
3222 | if ((q = set_put(pid_set, LONG_TO_PTR(s->main_pid))) < 0) { | |
3223 | r = q; | |
3224 | goto finish; | |
3225 | } | |
3226 | ||
3227 | if ((q = cgroup_bonding_kill_list(s->meta.cgroup_bondings, signo, pid_set)) < 0) | |
3228 | if (r != -EAGAIN && r != -ESRCH && r != -ENOENT) | |
3229 | r = q; | |
3230 | } | |
3231 | ||
3232 | finish: | |
3233 | if (pid_set) | |
3234 | set_free(pid_set); | |
3235 | ||
3236 | return r; | |
3237 | } | |
3238 | ||
94f04347 LP |
3239 | static const char* const service_state_table[_SERVICE_STATE_MAX] = { |
3240 | [SERVICE_DEAD] = "dead", | |
3241 | [SERVICE_START_PRE] = "start-pre", | |
3242 | [SERVICE_START] = "start", | |
3243 | [SERVICE_START_POST] = "start-post", | |
3244 | [SERVICE_RUNNING] = "running", | |
80876c20 | 3245 | [SERVICE_EXITED] = "exited", |
94f04347 LP |
3246 | [SERVICE_RELOAD] = "reload", |
3247 | [SERVICE_STOP] = "stop", | |
3248 | [SERVICE_STOP_SIGTERM] = "stop-sigterm", | |
3249 | [SERVICE_STOP_SIGKILL] = "stop-sigkill", | |
3250 | [SERVICE_STOP_POST] = "stop-post", | |
3251 | [SERVICE_FINAL_SIGTERM] = "final-sigterm", | |
3252 | [SERVICE_FINAL_SIGKILL] = "final-sigkill", | |
fdf20a31 | 3253 | [SERVICE_FAILED] = "failed", |
94f04347 LP |
3254 | [SERVICE_AUTO_RESTART] = "auto-restart", |
3255 | }; | |
3256 | ||
3257 | DEFINE_STRING_TABLE_LOOKUP(service_state, ServiceState); | |
3258 | ||
3259 | static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { | |
525ee6f4 LP |
3260 | [SERVICE_RESTART_NO] = "no", |
3261 | [SERVICE_RESTART_ON_SUCCESS] = "on-success", | |
50caaedb LP |
3262 | [SERVICE_RESTART_ON_FAILURE] = "on-failure", |
3263 | [SERVICE_RESTART_ON_ABORT] = "on-abort", | |
3264 | [SERVICE_RESTART_ALWAYS] = "always" | |
94f04347 LP |
3265 | }; |
3266 | ||
3267 | DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); | |
3268 | ||
3269 | static const char* const service_type_table[_SERVICE_TYPE_MAX] = { | |
94f04347 | 3270 | [SERVICE_SIMPLE] = "simple", |
0d624a78 | 3271 | [SERVICE_FORKING] = "forking", |
34e9ba66 | 3272 | [SERVICE_ONESHOT] = "oneshot", |
8c47c732 LP |
3273 | [SERVICE_DBUS] = "dbus", |
3274 | [SERVICE_NOTIFY] = "notify" | |
94f04347 LP |
3275 | }; |
3276 | ||
3277 | DEFINE_STRING_TABLE_LOOKUP(service_type, ServiceType); | |
3278 | ||
e537352b | 3279 | static const char* const service_exec_command_table[_SERVICE_EXEC_COMMAND_MAX] = { |
94f04347 LP |
3280 | [SERVICE_EXEC_START_PRE] = "ExecStartPre", |
3281 | [SERVICE_EXEC_START] = "ExecStart", | |
3282 | [SERVICE_EXEC_START_POST] = "ExecStartPost", | |
3283 | [SERVICE_EXEC_RELOAD] = "ExecReload", | |
3284 | [SERVICE_EXEC_STOP] = "ExecStop", | |
3285 | [SERVICE_EXEC_STOP_POST] = "ExecStopPost", | |
3286 | }; | |
3287 | ||
3288 | DEFINE_STRING_TABLE_LOOKUP(service_exec_command, ServiceExecCommand); | |
3289 | ||
c952c6ec LP |
3290 | static const char* const notify_access_table[_NOTIFY_ACCESS_MAX] = { |
3291 | [NOTIFY_NONE] = "none", | |
3292 | [NOTIFY_MAIN] = "main", | |
3293 | [NOTIFY_ALL] = "all" | |
3294 | }; | |
3295 | ||
3296 | DEFINE_STRING_TABLE_LOOKUP(notify_access, NotifyAccess); | |
3297 | ||
87f0e418 | 3298 | const UnitVTable service_vtable = { |
5cb5a6ff | 3299 | .suffix = ".service", |
9e58ff9c | 3300 | .show_status = true, |
5cb5a6ff | 3301 | |
034c6ed7 LP |
3302 | .init = service_init, |
3303 | .done = service_done, | |
a16e1123 LP |
3304 | .load = service_load, |
3305 | ||
3306 | .coldplug = service_coldplug, | |
034c6ed7 | 3307 | |
5cb5a6ff LP |
3308 | .dump = service_dump, |
3309 | ||
3310 | .start = service_start, | |
3311 | .stop = service_stop, | |
3312 | .reload = service_reload, | |
3313 | ||
034c6ed7 LP |
3314 | .can_reload = service_can_reload, |
3315 | ||
8a0867d6 LP |
3316 | .kill = service_kill, |
3317 | ||
a16e1123 LP |
3318 | .serialize = service_serialize, |
3319 | .deserialize_item = service_deserialize_item, | |
3320 | ||
5cb5a6ff | 3321 | .active_state = service_active_state, |
10a94420 | 3322 | .sub_state_to_string = service_sub_state_to_string, |
5cb5a6ff | 3323 | |
07459bb6 | 3324 | #ifdef HAVE_SYSV_COMPAT |
701cc384 | 3325 | .check_gc = service_check_gc, |
07459bb6 | 3326 | #endif |
701cc384 LP |
3327 | .check_snapshot = service_check_snapshot, |
3328 | ||
034c6ed7 LP |
3329 | .sigchld_event = service_sigchld_event, |
3330 | .timer_event = service_timer_event, | |
2c4104f0 | 3331 | |
fdf20a31 | 3332 | .reset_failed = service_reset_failed, |
5632e374 | 3333 | |
8e274523 | 3334 | .cgroup_notify_empty = service_cgroup_notify_event, |
8c47c732 | 3335 | .notify_message = service_notify_message, |
8e274523 | 3336 | |
05e343b7 LP |
3337 | .bus_name_owner_change = service_bus_name_owner_change, |
3338 | .bus_query_pid_done = service_bus_query_pid_done, | |
3339 | ||
c4e2ceae | 3340 | .bus_interface = "org.freedesktop.systemd1.Service", |
4139c1b2 | 3341 | .bus_message_handler = bus_service_message_handler, |
c4e2ceae | 3342 | .bus_invalidating_properties = bus_service_invalidating_properties, |
4139c1b2 | 3343 | |
07459bb6 | 3344 | #ifdef HAVE_SYSV_COMPAT |
2c4104f0 | 3345 | .enumerate = service_enumerate |
07459bb6 | 3346 | #endif |
5cb5a6ff | 3347 | }; |