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Commit | Line | Data |
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3efd4195 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
87f0e418 | 3 | #include <linux/oom.h> |
3efd4195 LP |
4 | #include <assert.h> |
5 | #include <errno.h> | |
6 | #include <string.h> | |
87f0e418 LP |
7 | #include <unistd.h> |
8 | #include <fcntl.h> | |
94f04347 LP |
9 | #include <sched.h> |
10 | #include <sys/prctl.h> | |
3efd4195 | 11 | |
87f0e418 | 12 | #include "unit.h" |
3efd4195 LP |
13 | #include "strv.h" |
14 | #include "conf-parser.h" | |
15 | #include "load-fragment.h" | |
16354eff | 16 | #include "log.h" |
9eba9da4 | 17 | #include "ioprio.h" |
94f04347 LP |
18 | #include "securebits.h" |
19 | #include "missing.h" | |
3efd4195 | 20 | |
42f4e3c4 | 21 | static int config_parse_deps( |
3efd4195 LP |
22 | const char *filename, |
23 | unsigned line, | |
24 | const char *section, | |
25 | const char *lvalue, | |
26 | const char *rvalue, | |
27 | void *data, | |
28 | void *userdata) { | |
29 | ||
87f0e418 LP |
30 | UnitDependency d = PTR_TO_UINT(data); |
31 | Unit *u = userdata; | |
3efd4195 LP |
32 | char *w; |
33 | size_t l; | |
34 | char *state; | |
35 | ||
36 | assert(filename); | |
37 | assert(lvalue); | |
38 | assert(rvalue); | |
3efd4195 LP |
39 | |
40 | FOREACH_WORD(w, &l, rvalue, state) { | |
41 | char *t; | |
42 | int r; | |
3efd4195 LP |
43 | |
44 | if (!(t = strndup(w, l))) | |
45 | return -ENOMEM; | |
46 | ||
b19e7dc0 | 47 | r = unit_add_dependency_by_name(u, d, t); |
3efd4195 LP |
48 | free(t); |
49 | ||
50 | if (r < 0) | |
51 | return r; | |
3efd4195 LP |
52 | } |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
42f4e3c4 | 57 | static int config_parse_names( |
87d1515d LP |
58 | const char *filename, |
59 | unsigned line, | |
60 | const char *section, | |
61 | const char *lvalue, | |
62 | const char *rvalue, | |
63 | void *data, | |
64 | void *userdata) { | |
65 | ||
87f0e418 | 66 | Unit *u = userdata; |
87d1515d LP |
67 | char *w; |
68 | size_t l; | |
69 | char *state; | |
70 | ||
71 | assert(filename); | |
72 | assert(lvalue); | |
73 | assert(rvalue); | |
74 | assert(data); | |
75 | ||
76 | FOREACH_WORD(w, &l, rvalue, state) { | |
77 | char *t; | |
78 | int r; | |
87f0e418 | 79 | Unit *other; |
87d1515d LP |
80 | |
81 | if (!(t = strndup(w, l))) | |
82 | return -ENOMEM; | |
83 | ||
87f0e418 | 84 | other = manager_get_unit(u->meta.manager, t); |
87d1515d LP |
85 | |
86 | if (other) { | |
87 | ||
87f0e418 | 88 | if (other != u) { |
87d1515d | 89 | |
87f0e418 | 90 | if (other->meta.load_state != UNIT_STUB) { |
87d1515d LP |
91 | free(t); |
92 | return -EEXIST; | |
93 | } | |
94 | ||
87f0e418 | 95 | if ((r = unit_merge(u, other)) < 0) { |
87d1515d LP |
96 | free(t); |
97 | return r; | |
98 | } | |
99 | } | |
100 | ||
101 | } else { | |
87f0e418 | 102 | if ((r = unit_add_name(u, t)) < 0) { |
87d1515d LP |
103 | free(t); |
104 | return r; | |
105 | } | |
106 | } | |
107 | ||
108 | free(t); | |
109 | } | |
110 | ||
111 | return 0; | |
112 | } | |
113 | ||
42f4e3c4 LP |
114 | static int config_parse_listen( |
115 | const char *filename, | |
116 | unsigned line, | |
117 | const char *section, | |
118 | const char *lvalue, | |
119 | const char *rvalue, | |
120 | void *data, | |
121 | void *userdata) { | |
122 | ||
16354eff | 123 | int r; |
542563ba LP |
124 | SocketPort *p; |
125 | Socket *s; | |
16354eff | 126 | |
42f4e3c4 LP |
127 | assert(filename); |
128 | assert(lvalue); | |
129 | assert(rvalue); | |
130 | assert(data); | |
131 | ||
542563ba LP |
132 | s = (Socket*) data; |
133 | ||
134 | if (!(p = new0(SocketPort, 1))) | |
135 | return -ENOMEM; | |
136 | ||
137 | if (streq(lvalue, "ListenFIFO")) { | |
138 | p->type = SOCKET_FIFO; | |
139 | ||
140 | if (!(p->path = strdup(rvalue))) { | |
141 | free(p); | |
142 | return -ENOMEM; | |
143 | } | |
144 | } else { | |
145 | p->type = SOCKET_SOCKET; | |
146 | ||
147 | if ((r = socket_address_parse(&p->address, rvalue)) < 0) { | |
148 | log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); | |
149 | free(p); | |
150 | return r; | |
151 | } | |
152 | ||
153 | if (streq(lvalue, "ListenStream")) | |
154 | p->address.type = SOCK_STREAM; | |
155 | else if (streq(lvalue, "ListenDatagram")) | |
156 | p->address.type = SOCK_DGRAM; | |
157 | else { | |
158 | assert(streq(lvalue, "ListenSequentialPacket")); | |
159 | p->address.type = SOCK_SEQPACKET; | |
160 | } | |
161 | ||
162 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
163 | free(p); | |
164 | return -EPROTONOSUPPORT; | |
165 | } | |
16354eff LP |
166 | } |
167 | ||
542563ba | 168 | p->fd = -1; |
034c6ed7 | 169 | LIST_PREPEND(SocketPort, port, s->ports, p); |
542563ba | 170 | |
16354eff | 171 | return 0; |
42f4e3c4 LP |
172 | } |
173 | ||
034c6ed7 | 174 | static int config_parse_socket_bind( |
42f4e3c4 LP |
175 | const char *filename, |
176 | unsigned line, | |
177 | const char *section, | |
178 | const char *lvalue, | |
179 | const char *rvalue, | |
180 | void *data, | |
181 | void *userdata) { | |
182 | ||
542563ba LP |
183 | int r; |
184 | Socket *s; | |
42f4e3c4 LP |
185 | |
186 | assert(filename); | |
187 | assert(lvalue); | |
188 | assert(rvalue); | |
189 | assert(data); | |
190 | ||
542563ba LP |
191 | s = (Socket*) data; |
192 | ||
193 | if ((r = parse_boolean(rvalue)) < 0) { | |
194 | log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); | |
195 | return r; | |
16354eff | 196 | } |
42f4e3c4 | 197 | |
542563ba LP |
198 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
199 | ||
42f4e3c4 LP |
200 | return 0; |
201 | } | |
202 | ||
034c6ed7 LP |
203 | static int config_parse_nice( |
204 | const char *filename, | |
205 | unsigned line, | |
206 | const char *section, | |
207 | const char *lvalue, | |
208 | const char *rvalue, | |
209 | void *data, | |
210 | void *userdata) { | |
211 | ||
fb33a393 LP |
212 | ExecContext *c = data; |
213 | int priority, r; | |
034c6ed7 LP |
214 | |
215 | assert(filename); | |
216 | assert(lvalue); | |
217 | assert(rvalue); | |
218 | assert(data); | |
219 | ||
220 | if ((r = safe_atoi(rvalue, &priority)) < 0) { | |
221 | log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); | |
222 | return r; | |
223 | } | |
224 | ||
225 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
226 | log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); | |
227 | return -ERANGE; | |
228 | } | |
229 | ||
fb33a393 LP |
230 | c->nice = priority; |
231 | c->nice_set = false; | |
232 | ||
034c6ed7 LP |
233 | return 0; |
234 | } | |
235 | ||
236 | static int config_parse_oom_adjust( | |
237 | const char *filename, | |
238 | unsigned line, | |
239 | const char *section, | |
240 | const char *lvalue, | |
241 | const char *rvalue, | |
242 | void *data, | |
243 | void *userdata) { | |
244 | ||
fb33a393 LP |
245 | ExecContext *c = data; |
246 | int oa, r; | |
034c6ed7 LP |
247 | |
248 | assert(filename); | |
249 | assert(lvalue); | |
250 | assert(rvalue); | |
251 | assert(data); | |
252 | ||
253 | if ((r = safe_atoi(rvalue, &oa)) < 0) { | |
254 | log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); | |
255 | return r; | |
256 | } | |
257 | ||
258 | if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { | |
259 | log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); | |
260 | return -ERANGE; | |
261 | } | |
262 | ||
fb33a393 LP |
263 | c->oom_adjust = oa; |
264 | c->oom_adjust_set = true; | |
265 | ||
034c6ed7 LP |
266 | return 0; |
267 | } | |
268 | ||
269 | static int config_parse_umask( | |
270 | const char *filename, | |
271 | unsigned line, | |
272 | const char *section, | |
273 | const char *lvalue, | |
274 | const char *rvalue, | |
275 | void *data, | |
276 | void *userdata) { | |
277 | ||
278 | mode_t *m = data; | |
279 | long l; | |
280 | char *x = NULL; | |
281 | ||
282 | assert(filename); | |
283 | assert(lvalue); | |
284 | assert(rvalue); | |
285 | assert(data); | |
286 | ||
287 | errno = 0; | |
288 | l = strtol(rvalue, &x, 8); | |
289 | if (!x || *x || errno) { | |
290 | log_error("[%s:%u] Failed to parse umask value: %s", filename, line, rvalue); | |
291 | return errno ? -errno : -EINVAL; | |
292 | } | |
293 | ||
294 | if (l < 0000 || l > 0777) { | |
295 | log_error("[%s:%u] umask value out of range: %s", filename, line, rvalue); | |
296 | return -ERANGE; | |
297 | } | |
298 | ||
299 | *m = (mode_t) l; | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int config_parse_exec( | |
304 | const char *filename, | |
305 | unsigned line, | |
306 | const char *section, | |
307 | const char *lvalue, | |
308 | const char *rvalue, | |
309 | void *data, | |
310 | void *userdata) { | |
311 | ||
312 | ExecCommand **e = data, *ee, *nce = NULL; | |
313 | char **n; | |
314 | char *w; | |
315 | unsigned k; | |
316 | size_t l; | |
317 | char *state; | |
318 | ||
319 | assert(filename); | |
320 | assert(lvalue); | |
321 | assert(rvalue); | |
322 | assert(data); | |
323 | ||
324 | k = 0; | |
325 | FOREACH_WORD_QUOTED(w, l, rvalue, state) | |
326 | k++; | |
327 | ||
328 | if (!(n = new(char*, k+1))) | |
329 | return -ENOMEM; | |
330 | ||
44d8db9e | 331 | k = 0; |
034c6ed7 LP |
332 | FOREACH_WORD_QUOTED(w, l, rvalue, state) |
333 | if (!(n[k++] = strndup(w, l))) | |
334 | goto fail; | |
335 | ||
336 | n[k] = NULL; | |
337 | ||
0301abf4 | 338 | if (!n[0] || !path_is_absolute(n[0])) { |
034c6ed7 LP |
339 | log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); |
340 | strv_free(n); | |
341 | return -EINVAL; | |
342 | } | |
343 | ||
344 | if (!(nce = new0(ExecCommand, 1))) | |
345 | goto fail; | |
346 | ||
347 | nce->argv = n; | |
348 | if (!(nce->path = strdup(n[0]))) | |
349 | goto fail; | |
350 | ||
351 | if (*e) { | |
352 | /* It's kinda important that we keep the order here */ | |
353 | LIST_FIND_TAIL(ExecCommand, command, *e, ee); | |
354 | LIST_INSERT_AFTER(ExecCommand, command, *e, ee, nce); | |
355 | } else | |
356 | *e = nce; | |
357 | ||
358 | return 0; | |
359 | ||
360 | fail: | |
361 | for (; k > 0; k--) | |
362 | free(n[k-1]); | |
363 | free(n); | |
364 | ||
365 | free(nce); | |
366 | ||
367 | return -ENOMEM; | |
368 | } | |
369 | ||
370 | static int config_parse_usec( | |
371 | const char *filename, | |
372 | unsigned line, | |
373 | const char *section, | |
374 | const char *lvalue, | |
375 | const char *rvalue, | |
376 | void *data, | |
377 | void *userdata) { | |
378 | ||
379 | usec_t *usec = data; | |
380 | unsigned long long u; | |
381 | int r; | |
382 | ||
383 | assert(filename); | |
384 | assert(lvalue); | |
385 | assert(rvalue); | |
386 | assert(data); | |
387 | ||
388 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
389 | log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); | |
390 | return r; | |
391 | } | |
392 | ||
393 | /* We actually assume the user configures seconds. Later on we | |
394 | * might choose to support suffixes for time values, to | |
395 | * configure bigger or smaller units */ | |
396 | ||
397 | *usec = u * USEC_PER_SEC; | |
398 | ||
399 | return 0; | |
400 | } | |
401 | ||
402 | static int config_parse_service_type( | |
403 | const char *filename, | |
404 | unsigned line, | |
405 | const char *section, | |
406 | const char *lvalue, | |
407 | const char *rvalue, | |
408 | void *data, | |
409 | void *userdata) { | |
410 | ||
411 | Service *s = data; | |
94f04347 | 412 | ServiceType x; |
034c6ed7 LP |
413 | |
414 | assert(filename); | |
415 | assert(lvalue); | |
416 | assert(rvalue); | |
417 | assert(data); | |
418 | ||
94f04347 | 419 | if ((x = service_type_from_string(rvalue)) < 0) { |
034c6ed7 LP |
420 | log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue); |
421 | return -EBADMSG; | |
422 | } | |
423 | ||
94f04347 LP |
424 | s->type = x; |
425 | ||
034c6ed7 LP |
426 | return 0; |
427 | } | |
428 | ||
429 | static int config_parse_service_restart( | |
430 | const char *filename, | |
431 | unsigned line, | |
432 | const char *section, | |
433 | const char *lvalue, | |
434 | const char *rvalue, | |
435 | void *data, | |
436 | void *userdata) { | |
437 | ||
438 | Service *s = data; | |
94f04347 | 439 | ServiceRestart x; |
034c6ed7 LP |
440 | |
441 | assert(filename); | |
442 | assert(lvalue); | |
443 | assert(rvalue); | |
444 | assert(data); | |
445 | ||
94f04347 LP |
446 | if ((x = service_restart_from_string(rvalue)) < 0) { |
447 | log_error("[%s:%u] Failed to parse service restart specifier: %s", filename, line, rvalue); | |
034c6ed7 LP |
448 | return -EBADMSG; |
449 | } | |
450 | ||
94f04347 LP |
451 | s->restart = x; |
452 | ||
034c6ed7 LP |
453 | return 0; |
454 | } | |
455 | ||
acbb0225 LP |
456 | int config_parse_bindtodevice( |
457 | const char *filename, | |
458 | unsigned line, | |
459 | const char *section, | |
460 | const char *lvalue, | |
461 | const char *rvalue, | |
462 | void *data, | |
463 | void *userdata) { | |
464 | ||
465 | Socket *s = data; | |
466 | char *n; | |
467 | ||
468 | assert(filename); | |
469 | assert(lvalue); | |
470 | assert(rvalue); | |
471 | assert(data); | |
472 | ||
473 | if (rvalue[0] && !streq(rvalue, "*")) { | |
474 | if (!(n = strdup(rvalue))) | |
475 | return -ENOMEM; | |
476 | } else | |
477 | n = NULL; | |
478 | ||
479 | free(s->bind_to_device); | |
480 | s->bind_to_device = n; | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
071830ff LP |
485 | int config_parse_output( |
486 | const char *filename, | |
487 | unsigned line, | |
488 | const char *section, | |
489 | const char *lvalue, | |
490 | const char *rvalue, | |
491 | void *data, | |
492 | void *userdata) { | |
493 | ||
94f04347 | 494 | ExecOutput *o = data, x; |
071830ff LP |
495 | |
496 | assert(filename); | |
497 | assert(lvalue); | |
498 | assert(rvalue); | |
499 | assert(data); | |
500 | ||
94f04347 LP |
501 | if ((x = exec_output_from_string(rvalue)) < 0) { |
502 | log_error("[%s:%u] Failed to parse output specifier: %s", filename, line, rvalue); | |
503 | return -EBADMSG; | |
504 | } | |
505 | ||
506 | *o = x; | |
507 | ||
508 | return 0; | |
509 | } | |
510 | ||
511 | int config_parse_input( | |
512 | const char *filename, | |
513 | unsigned line, | |
514 | const char *section, | |
515 | const char *lvalue, | |
516 | const char *rvalue, | |
517 | void *data, | |
518 | void *userdata) { | |
519 | ||
520 | ExecInput *i = data, x; | |
521 | ||
522 | assert(filename); | |
523 | assert(lvalue); | |
524 | assert(rvalue); | |
525 | assert(data); | |
526 | ||
527 | if ((x = exec_input_from_string(rvalue)) < 0) { | |
528 | log_error("[%s:%u] Failed to parse input specifier: %s", filename, line, rvalue); | |
071830ff LP |
529 | return -EBADMSG; |
530 | } | |
531 | ||
94f04347 LP |
532 | *i = x; |
533 | ||
071830ff LP |
534 | return 0; |
535 | } | |
87f0e418 | 536 | |
071830ff LP |
537 | int config_parse_facility( |
538 | const char *filename, | |
539 | unsigned line, | |
540 | const char *section, | |
541 | const char *lvalue, | |
542 | const char *rvalue, | |
543 | void *data, | |
544 | void *userdata) { | |
545 | ||
071830ff | 546 | |
94f04347 | 547 | int *o = data, x; |
071830ff LP |
548 | |
549 | assert(filename); | |
550 | assert(lvalue); | |
551 | assert(rvalue); | |
552 | assert(data); | |
553 | ||
94f04347 | 554 | if ((x = log_facility_from_string(rvalue)) < 0) |
071830ff LP |
555 | |
556 | /* Second try, let's see if this is a number. */ | |
94f04347 LP |
557 | if (safe_atoi(rvalue, &x) < 0 || !log_facility_to_string(x)) { |
558 | log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); | |
071830ff LP |
559 | return -EBADMSG; |
560 | } | |
94f04347 LP |
561 | |
562 | *o = LOG_MAKEPRI(x, LOG_PRI(*o)); | |
071830ff LP |
563 | |
564 | return 0; | |
565 | } | |
566 | ||
567 | int config_parse_level( | |
568 | const char *filename, | |
569 | unsigned line, | |
570 | const char *section, | |
571 | const char *lvalue, | |
572 | const char *rvalue, | |
573 | void *data, | |
574 | void *userdata) { | |
575 | ||
071830ff | 576 | |
94f04347 | 577 | int *o = data, x; |
071830ff LP |
578 | |
579 | assert(filename); | |
580 | assert(lvalue); | |
581 | assert(rvalue); | |
582 | assert(data); | |
583 | ||
94f04347 LP |
584 | if ((x = log_level_from_string(rvalue)) < 0) |
585 | ||
586 | /* Second try, let's see if this is a number. */ | |
587 | if (safe_atoi(rvalue, &x) < 0 || !log_level_to_string(x)) { | |
588 | log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); | |
589 | return -EBADMSG; | |
071830ff LP |
590 | } |
591 | ||
94f04347 LP |
592 | *o = LOG_MAKEPRI(LOG_FAC(*o), x); |
593 | return 0; | |
594 | } | |
595 | ||
596 | int config_parse_io_class( | |
597 | const char *filename, | |
598 | unsigned line, | |
599 | const char *section, | |
600 | const char *lvalue, | |
601 | const char *rvalue, | |
602 | void *data, | |
603 | void *userdata) { | |
604 | ||
605 | ExecContext *c = data; | |
606 | int x; | |
607 | ||
608 | assert(filename); | |
609 | assert(lvalue); | |
610 | assert(rvalue); | |
611 | assert(data); | |
612 | ||
613 | if ((x = ioprio_class_from_string(rvalue)) < 0) | |
071830ff LP |
614 | |
615 | /* Second try, let's see if this is a number. */ | |
94f04347 LP |
616 | if (safe_atoi(rvalue, &x) < 0 || !ioprio_class_to_string(x)) { |
617 | log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); | |
071830ff LP |
618 | return -EBADMSG; |
619 | } | |
94f04347 LP |
620 | |
621 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
622 | c->ioprio_set = true; | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
627 | int config_parse_io_priority( | |
628 | const char *filename, | |
629 | unsigned line, | |
630 | const char *section, | |
631 | const char *lvalue, | |
632 | const char *rvalue, | |
633 | void *data, | |
634 | void *userdata) { | |
635 | ||
636 | ExecContext *c = data; | |
637 | int i; | |
638 | ||
639 | assert(filename); | |
640 | assert(lvalue); | |
641 | assert(rvalue); | |
642 | assert(data); | |
643 | ||
644 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
645 | log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue); | |
646 | return -EBADMSG; | |
071830ff LP |
647 | } |
648 | ||
94f04347 LP |
649 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
650 | c->ioprio_set = true; | |
651 | ||
071830ff LP |
652 | return 0; |
653 | } | |
654 | ||
94f04347 | 655 | int config_parse_cpu_sched_policy( |
9eba9da4 LP |
656 | const char *filename, |
657 | unsigned line, | |
658 | const char *section, | |
659 | const char *lvalue, | |
660 | const char *rvalue, | |
661 | void *data, | |
662 | void *userdata) { | |
663 | ||
94f04347 LP |
664 | |
665 | ExecContext *c = data; | |
666 | int x; | |
667 | ||
668 | assert(filename); | |
669 | assert(lvalue); | |
670 | assert(rvalue); | |
671 | assert(data); | |
672 | ||
673 | if ((x = sched_policy_from_string(rvalue)) < 0) | |
674 | ||
675 | /* Second try, let's see if this is a number. */ | |
676 | if (safe_atoi(rvalue, &x) < 0 || !sched_policy_to_string(x)) { | |
677 | log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); | |
678 | return -EBADMSG; | |
679 | } | |
680 | ||
681 | c->cpu_sched_policy = x; | |
682 | c->cpu_sched_set = true; | |
683 | ||
684 | return 0; | |
685 | } | |
686 | ||
687 | int config_parse_cpu_sched_prio( | |
688 | const char *filename, | |
689 | unsigned line, | |
690 | const char *section, | |
691 | const char *lvalue, | |
692 | const char *rvalue, | |
693 | void *data, | |
694 | void *userdata) { | |
9eba9da4 LP |
695 | |
696 | ExecContext *c = data; | |
697 | int i; | |
698 | ||
699 | assert(filename); | |
700 | assert(lvalue); | |
701 | assert(rvalue); | |
702 | assert(data); | |
703 | ||
94f04347 LP |
704 | /* On Linux RR/FIFO have the same range */ |
705 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
706 | log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue); | |
707 | return -EBADMSG; | |
708 | } | |
9eba9da4 | 709 | |
94f04347 LP |
710 | c->cpu_sched_priority = i; |
711 | c->cpu_sched_set = true; | |
712 | ||
713 | return 0; | |
714 | } | |
715 | ||
716 | int config_parse_cpu_affinity( | |
717 | const char *filename, | |
718 | unsigned line, | |
719 | const char *section, | |
720 | const char *lvalue, | |
721 | const char *rvalue, | |
722 | void *data, | |
723 | void *userdata) { | |
724 | ||
725 | ExecContext *c = data; | |
726 | char *w; | |
727 | size_t l; | |
728 | char *state; | |
729 | ||
730 | assert(filename); | |
731 | assert(lvalue); | |
732 | assert(rvalue); | |
733 | assert(data); | |
734 | ||
735 | FOREACH_WORD(w, &l, rvalue, state) { | |
736 | char *t; | |
737 | int r; | |
738 | unsigned cpu; | |
739 | ||
740 | if (!(t = strndup(w, l))) | |
741 | return -ENOMEM; | |
742 | ||
743 | r = safe_atou(t, &cpu); | |
744 | free(t); | |
745 | ||
746 | if (r < 0 || cpu >= CPU_SETSIZE) { | |
747 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
748 | return -EBADMSG; | |
9eba9da4 | 749 | } |
94f04347 LP |
750 | |
751 | CPU_SET(cpu, &c->cpu_affinity); | |
9eba9da4 LP |
752 | } |
753 | ||
94f04347 | 754 | c->cpu_affinity_set = true; |
9eba9da4 | 755 | |
94f04347 LP |
756 | return 0; |
757 | } | |
758 | ||
759 | int config_parse_capabilities( | |
760 | const char *filename, | |
761 | unsigned line, | |
762 | const char *section, | |
763 | const char *lvalue, | |
764 | const char *rvalue, | |
765 | void *data, | |
766 | void *userdata) { | |
767 | ||
768 | ExecContext *c = data; | |
769 | cap_t cap; | |
770 | ||
771 | assert(filename); | |
772 | assert(lvalue); | |
773 | assert(rvalue); | |
774 | assert(data); | |
775 | ||
776 | if (!(cap = cap_from_text(rvalue))) { | |
777 | if (errno == ENOMEM) | |
778 | return -ENOMEM; | |
779 | ||
780 | log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue); | |
781 | return -EBADMSG; | |
782 | } | |
783 | ||
784 | if (c->capabilities) | |
785 | cap_free(c->capabilities); | |
786 | c->capabilities = cap; | |
787 | ||
788 | return 0; | |
789 | } | |
790 | ||
791 | int config_parse_secure_bits( | |
792 | const char *filename, | |
793 | unsigned line, | |
794 | const char *section, | |
795 | const char *lvalue, | |
796 | const char *rvalue, | |
797 | void *data, | |
798 | void *userdata) { | |
799 | ||
800 | ExecContext *c = data; | |
801 | char *w; | |
802 | size_t l; | |
803 | char *state; | |
804 | ||
805 | assert(filename); | |
806 | assert(lvalue); | |
807 | assert(rvalue); | |
808 | assert(data); | |
809 | ||
810 | FOREACH_WORD(w, &l, rvalue, state) { | |
811 | if (first_word(w, "keep-caps")) | |
812 | c->secure_bits |= SECURE_KEEP_CAPS; | |
813 | else if (first_word(w, "keep-caps-locked")) | |
814 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
815 | else if (first_word(w, "no-setuid-fixup")) | |
816 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
817 | else if (first_word(w, "no-setuid-fixup-locked")) | |
818 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
819 | else if (first_word(w, "noroot")) | |
820 | c->secure_bits |= SECURE_NOROOT; | |
821 | else if (first_word(w, "noroot-locked")) | |
822 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
9eba9da4 | 823 | else { |
94f04347 | 824 | log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue); |
9eba9da4 LP |
825 | return -EBADMSG; |
826 | } | |
827 | } | |
828 | ||
94f04347 LP |
829 | return 0; |
830 | } | |
831 | ||
832 | int config_parse_bounding_set( | |
833 | const char *filename, | |
834 | unsigned line, | |
835 | const char *section, | |
836 | const char *lvalue, | |
837 | const char *rvalue, | |
838 | void *data, | |
839 | void *userdata) { | |
840 | ||
841 | ExecContext *c = data; | |
842 | char *w; | |
843 | size_t l; | |
844 | char *state; | |
845 | ||
846 | assert(filename); | |
847 | assert(lvalue); | |
848 | assert(rvalue); | |
849 | assert(data); | |
850 | ||
851 | FOREACH_WORD(w, &l, rvalue, state) { | |
852 | char *t; | |
853 | int r; | |
854 | cap_value_t cap; | |
855 | ||
856 | if (!(t = strndup(w, l))) | |
857 | return -ENOMEM; | |
858 | ||
859 | r = cap_from_name(t, &cap); | |
860 | free(t); | |
861 | ||
862 | if (r < 0) { | |
863 | log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue); | |
864 | return -EBADMSG; | |
865 | } | |
866 | ||
867 | c->capability_bounding_set_drop |= 1 << cap; | |
868 | } | |
9eba9da4 LP |
869 | |
870 | return 0; | |
871 | } | |
872 | ||
94f04347 | 873 | static int config_parse_timer_slack_ns( |
9eba9da4 LP |
874 | const char *filename, |
875 | unsigned line, | |
876 | const char *section, | |
877 | const char *lvalue, | |
878 | const char *rvalue, | |
879 | void *data, | |
880 | void *userdata) { | |
881 | ||
882 | ExecContext *c = data; | |
94f04347 LP |
883 | unsigned long u; |
884 | int r; | |
9eba9da4 LP |
885 | |
886 | assert(filename); | |
887 | assert(lvalue); | |
888 | assert(rvalue); | |
889 | assert(data); | |
890 | ||
94f04347 LP |
891 | if ((r = safe_atolu(rvalue, &u)) < 0) { |
892 | log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); | |
893 | return r; | |
9eba9da4 LP |
894 | } |
895 | ||
94f04347 LP |
896 | c->timer_slack_ns = u; |
897 | ||
898 | return 0; | |
899 | } | |
900 | ||
901 | static int config_parse_limit( | |
902 | const char *filename, | |
903 | unsigned line, | |
904 | const char *section, | |
905 | const char *lvalue, | |
906 | const char *rvalue, | |
907 | void *data, | |
908 | void *userdata) { | |
909 | ||
910 | struct rlimit **rl = data; | |
911 | unsigned long long u; | |
912 | int r; | |
913 | ||
914 | assert(filename); | |
915 | assert(lvalue); | |
916 | assert(rvalue); | |
917 | assert(data); | |
918 | ||
919 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
920 | log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); | |
921 | return r; | |
922 | } | |
923 | ||
924 | if (!*rl) | |
925 | if (!(*rl = new(struct rlimit, 1))) | |
926 | return -ENOMEM; | |
9eba9da4 | 927 | |
94f04347 | 928 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
929 | return 0; |
930 | } | |
931 | ||
071830ff | 932 | #define FOLLOW_MAX 8 |
87f0e418 | 933 | |
0301abf4 LP |
934 | static int open_follow(char **filename, FILE **_f, Set *names, char **_id) { |
935 | unsigned c = 0; | |
87f0e418 LP |
936 | int fd, r; |
937 | FILE *f; | |
0301abf4 | 938 | char *id = NULL; |
87f0e418 LP |
939 | |
940 | assert(filename); | |
941 | assert(*filename); | |
942 | assert(_f); | |
943 | assert(names); | |
944 | ||
0301abf4 LP |
945 | /* This will update the filename pointer if the loaded file is |
946 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 947 | |
0301abf4 | 948 | for (;;) { |
87f0e418 LP |
949 | char *target, *k, *name; |
950 | ||
0301abf4 LP |
951 | if (c++ >= FOLLOW_MAX) |
952 | return -ELOOP; | |
953 | ||
b08d03ff LP |
954 | path_kill_slashes(*filename); |
955 | ||
87f0e418 LP |
956 | /* Add the file name we are currently looking at to |
957 | * the names of this unit */ | |
0301abf4 LP |
958 | name = file_name_from_path(*filename); |
959 | if (!(id = set_get(names, name))) { | |
87f0e418 | 960 | |
0301abf4 LP |
961 | if (!(id = strdup(name))) |
962 | return -ENOMEM; | |
87f0e418 | 963 | |
0301abf4 LP |
964 | if ((r = set_put(names, id)) < 0) { |
965 | free(id); | |
966 | return r; | |
87f0e418 | 967 | } |
87f0e418 LP |
968 | } |
969 | ||
0301abf4 LP |
970 | /* Try to open the file name, but don't if its a symlink */ |
971 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
87f0e418 LP |
972 | break; |
973 | ||
0301abf4 LP |
974 | if (errno != ELOOP) |
975 | return -errno; | |
976 | ||
87f0e418 | 977 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
0301abf4 LP |
978 | if ((r = readlink_malloc(*filename, &target)) < 0) |
979 | return r; | |
87f0e418 | 980 | |
c25fb0ed | 981 | k = file_in_same_dir(*filename, target); |
87f0e418 LP |
982 | free(target); |
983 | ||
0301abf4 LP |
984 | if (!k) |
985 | return -ENOMEM; | |
87f0e418 | 986 | |
0301abf4 LP |
987 | free(*filename); |
988 | *filename = k; | |
87f0e418 LP |
989 | } |
990 | ||
991 | if (!(f = fdopen(fd, "r"))) { | |
992 | r = -errno; | |
993 | assert(close_nointr(fd) == 0); | |
0301abf4 | 994 | return r; |
87f0e418 LP |
995 | } |
996 | ||
997 | *_f = f; | |
0301abf4 LP |
998 | *_id = id; |
999 | return 0; | |
87f0e418 LP |
1000 | } |
1001 | ||
0301abf4 | 1002 | static int load_from_path(Unit *u, const char *path) { |
87f0e418 LP |
1003 | |
1004 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1005 | [UNIT_SERVICE] = "Service", | |
1006 | [UNIT_TIMER] = "Timer", | |
1007 | [UNIT_SOCKET] = "Socket", | |
1008 | [UNIT_TARGET] = "Target", | |
1009 | [UNIT_DEVICE] = "Device", | |
1010 | [UNIT_MOUNT] = "Mount", | |
1011 | [UNIT_AUTOMOUNT] = "Automount", | |
1012 | [UNIT_SNAPSHOT] = "Snapshot" | |
42f4e3c4 LP |
1013 | }; |
1014 | ||
034c6ed7 | 1015 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ |
9eba9da4 LP |
1016 | { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ |
1017 | { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ | |
1c01f82b LP |
1018 | { "User", config_parse_string, &(context).user, section }, \ |
1019 | { "Group", config_parse_string, &(context).group, section }, \ | |
1020 | { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ | |
fb33a393 LP |
1021 | { "Nice", config_parse_nice, &(context), section }, \ |
1022 | { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ | |
9eba9da4 | 1023 | { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ |
94f04347 LP |
1024 | { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ |
1025 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ | |
1026 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ | |
1027 | { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ | |
1c01f82b | 1028 | { "UMask", config_parse_umask, &(context).umask, section }, \ |
071830ff LP |
1029 | { "Environment", config_parse_strv, &(context).environment, section }, \ |
1030 | { "Output", config_parse_output, &(context).output, section }, \ | |
94f04347 | 1031 | { "Input", config_parse_input, &(context).input, section }, \ |
071830ff LP |
1032 | { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \ |
1033 | { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ | |
94f04347 LP |
1034 | { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ |
1035 | { "Capabilities", config_parse_capabilities, &(context), section }, \ | |
1036 | { "SecureBits", config_parse_secure_bits, &(context), section }, \ | |
1037 | { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ | |
1038 | { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ | |
1039 | { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1040 | { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1041 | { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1042 | { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1043 | { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1044 | { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1045 | { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1046 | { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ | |
1047 | { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1048 | { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1049 | { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1050 | { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1051 | { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1052 | { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1053 | { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
1054 | { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section } | |
034c6ed7 | 1055 | |
3efd4195 | 1056 | const ConfigItem items[] = { |
1c01f82b LP |
1057 | { "Names", config_parse_names, u, "Meta" }, |
1058 | { "Description", config_parse_string, &u->meta.description, "Meta" }, | |
1059 | { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Meta" }, | |
1060 | { "SoftRequires", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUIRES), "Meta" }, | |
1061 | { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Meta" }, | |
1062 | { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Meta" }, | |
1063 | { "SoftRequisite", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUISITE), "Meta" }, | |
1064 | { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Meta" }, | |
1065 | { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Meta" }, | |
1066 | { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Meta" }, | |
f3bff0eb LP |
1067 | { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Meta" }, |
1068 | { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Meta" }, | |
1c01f82b LP |
1069 | |
1070 | { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, | |
1071 | { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1072 | { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1073 | { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1074 | { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1075 | { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1076 | { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1077 | { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, | |
1078 | { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, | |
1079 | { "Type", config_parse_service_type, &u->service, "Service" }, | |
1080 | { "Restart", config_parse_service_restart, &u->service, "Service" }, | |
87f0e418 LP |
1081 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), |
1082 | ||
1c01f82b LP |
1083 | { "ListenStream", config_parse_listen, &u->socket, "Socket" }, |
1084 | { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, | |
1085 | { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, | |
1086 | { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, | |
1087 | { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, | |
1088 | { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, | |
acbb0225 | 1089 | { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, |
1c01f82b LP |
1090 | { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, |
1091 | { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1092 | { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
1093 | { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
87f0e418 LP |
1094 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), |
1095 | ||
1096 | EXEC_CONTEXT_CONFIG_ITEMS(u->automount.exec_context, "Automount"), | |
034c6ed7 | 1097 | |
3efd4195 LP |
1098 | { NULL, NULL, NULL, NULL } |
1099 | }; | |
1100 | ||
034c6ed7 | 1101 | #undef EXEC_CONTEXT_CONFIG_ITEMS |
42f4e3c4 | 1102 | |
42f4e3c4 | 1103 | const char *sections[3]; |
0301abf4 LP |
1104 | char *k; |
1105 | int r; | |
87f0e418 | 1106 | Set *symlink_names; |
0301abf4 LP |
1107 | FILE *f; |
1108 | char *filename, *id; | |
3efd4195 | 1109 | |
42f4e3c4 | 1110 | sections[0] = "Meta"; |
87f0e418 | 1111 | sections[1] = section_table[u->meta.type]; |
42f4e3c4 LP |
1112 | sections[2] = NULL; |
1113 | ||
87f0e418 LP |
1114 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) |
1115 | return -ENOMEM; | |
3efd4195 | 1116 | |
0301abf4 LP |
1117 | /* Instead of opening the path right away, we manually |
1118 | * follow all symlinks and add their name to our unit | |
1119 | * name set while doing so */ | |
1120 | if (!(filename = path_make_absolute(path, unit_path()))) { | |
1121 | r = -ENOMEM; | |
1122 | goto finish; | |
1123 | } | |
3efd4195 | 1124 | |
0301abf4 LP |
1125 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { |
1126 | if (r == -ENOENT) | |
1127 | r = 0; /* returning 0 means: no suitable config file found */ | |
034c6ed7 | 1128 | |
0301abf4 LP |
1129 | goto finish; |
1130 | } | |
87f0e418 | 1131 | |
0301abf4 LP |
1132 | /* Now, parse the file contents */ |
1133 | r = config_parse(filename, f, sections, items, u); | |
1134 | if (r < 0) | |
1135 | goto finish; | |
87f0e418 | 1136 | |
0301abf4 LP |
1137 | /* Let's try to add in all symlink names we found */ |
1138 | while ((k = set_steal_first(symlink_names))) { | |
1139 | if ((r = unit_add_name(u, k)) < 0) | |
87f0e418 LP |
1140 | goto finish; |
1141 | ||
87f0e418 | 1142 | |
f50e0a01 LP |
1143 | if (id == k) |
1144 | unit_choose_id(u, id); | |
0301abf4 | 1145 | free(k); |
034c6ed7 LP |
1146 | } |
1147 | ||
b08d03ff | 1148 | |
0301abf4 LP |
1149 | free(u->meta.load_path); |
1150 | u->meta.load_path = filename; | |
1151 | filename = NULL; | |
87f0e418 | 1152 | |
0301abf4 | 1153 | r = 1; /* returning 1 means: suitable config file found and loaded */ |
87f0e418 LP |
1154 | |
1155 | finish: | |
1156 | while ((k = set_steal_first(symlink_names))) | |
1157 | free(k); | |
87f0e418 | 1158 | set_free(symlink_names); |
0301abf4 LP |
1159 | free(filename); |
1160 | ||
1161 | return r; | |
1162 | } | |
1163 | ||
1164 | int unit_load_fragment(Unit *u) { | |
d46de8a1 | 1165 | int r = 0; |
071830ff | 1166 | ExecContext *c; |
0301abf4 LP |
1167 | |
1168 | assert(u); | |
1169 | assert(u->meta.load_state == UNIT_STUB); | |
1170 | ||
1171 | if (u->meta.load_path) | |
1172 | r = load_from_path(u, u->meta.load_path); | |
1173 | else { | |
1174 | Iterator i; | |
1175 | char *t; | |
1176 | ||
1177 | /* Try to find a name we can load this with */ | |
1178 | SET_FOREACH(t, u->meta.names, i) | |
1179 | if ((r = load_from_path(u, t)) != 0) | |
1180 | return r; | |
1181 | } | |
87f0e418 | 1182 | |
071830ff LP |
1183 | if (u->meta.type == UNIT_SOCKET) |
1184 | c = &u->socket.exec_context; | |
1185 | else if (u->meta.type == UNIT_SERVICE) | |
1186 | c = &u->service.exec_context; | |
1187 | else | |
1188 | c = NULL; | |
1189 | ||
1190 | if (r >= 0 && c && | |
94f04347 | 1191 | (c->output == EXEC_OUTPUT_KERNEL || c->output == EXEC_OUTPUT_SYSLOG)) { |
d46de8a1 LP |
1192 | int k; |
1193 | ||
071830ff LP |
1194 | /* If syslog or kernel logging is requested, make sure |
1195 | * our own logging daemon is run first. */ | |
1196 | ||
f50e0a01 | 1197 | if ((k = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_LOGGER_SOCKET)) < 0) |
d46de8a1 | 1198 | return k; |
071830ff | 1199 | |
f50e0a01 | 1200 | if ((k = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_LOGGER_SOCKET)) < 0) |
d46de8a1 | 1201 | return k; |
071830ff LP |
1202 | } |
1203 | ||
87f0e418 | 1204 | return r; |
3efd4195 | 1205 | } |