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Commit | Line | Data |
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3efd4195 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
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 | ||
87f0e418 | 22 | #include <linux/oom.h> |
3efd4195 LP |
23 | #include <assert.h> |
24 | #include <errno.h> | |
25 | #include <string.h> | |
87f0e418 LP |
26 | #include <unistd.h> |
27 | #include <fcntl.h> | |
94f04347 LP |
28 | #include <sched.h> |
29 | #include <sys/prctl.h> | |
3efd4195 | 30 | |
87f0e418 | 31 | #include "unit.h" |
3efd4195 LP |
32 | #include "strv.h" |
33 | #include "conf-parser.h" | |
34 | #include "load-fragment.h" | |
16354eff | 35 | #include "log.h" |
9eba9da4 | 36 | #include "ioprio.h" |
94f04347 LP |
37 | #include "securebits.h" |
38 | #include "missing.h" | |
3efd4195 | 39 | |
42f4e3c4 | 40 | static int config_parse_deps( |
3efd4195 LP |
41 | const char *filename, |
42 | unsigned line, | |
43 | const char *section, | |
44 | const char *lvalue, | |
45 | const char *rvalue, | |
46 | void *data, | |
47 | void *userdata) { | |
48 | ||
87f0e418 LP |
49 | UnitDependency d = PTR_TO_UINT(data); |
50 | Unit *u = userdata; | |
3efd4195 LP |
51 | char *w; |
52 | size_t l; | |
53 | char *state; | |
54 | ||
55 | assert(filename); | |
56 | assert(lvalue); | |
57 | assert(rvalue); | |
3efd4195 | 58 | |
e537352b LP |
59 | if (UNIT_VTABLE(u)->refuse_requires && |
60 | (d == UNIT_REQUIRES || | |
61 | d == UNIT_SOFT_REQUIRES || | |
62 | d == UNIT_REQUISITE || | |
63 | d == UNIT_SOFT_REQUISITE)) { | |
64 | log_error("[%s:%u] Dependency of type %s not acceptable for this unit type.", filename, line, lvalue); | |
65 | return -EBADMSG; | |
66 | } | |
67 | ||
f62c0e4f | 68 | FOREACH_WORD(w, l, rvalue, state) { |
3efd4195 LP |
69 | char *t; |
70 | int r; | |
3efd4195 LP |
71 | |
72 | if (!(t = strndup(w, l))) | |
73 | return -ENOMEM; | |
74 | ||
b19e7dc0 | 75 | r = unit_add_dependency_by_name(u, d, t); |
3efd4195 LP |
76 | free(t); |
77 | ||
78 | if (r < 0) | |
79 | return r; | |
3efd4195 LP |
80 | } |
81 | ||
82 | return 0; | |
83 | } | |
84 | ||
42f4e3c4 | 85 | static int config_parse_names( |
87d1515d LP |
86 | const char *filename, |
87 | unsigned line, | |
88 | const char *section, | |
89 | const char *lvalue, | |
90 | const char *rvalue, | |
91 | void *data, | |
92 | void *userdata) { | |
93 | ||
87f0e418 | 94 | Unit *u = userdata; |
87d1515d LP |
95 | char *w; |
96 | size_t l; | |
97 | char *state; | |
98 | ||
99 | assert(filename); | |
100 | assert(lvalue); | |
101 | assert(rvalue); | |
102 | assert(data); | |
103 | ||
f62c0e4f | 104 | FOREACH_WORD(w, l, rvalue, state) { |
87d1515d LP |
105 | char *t; |
106 | int r; | |
87d1515d LP |
107 | |
108 | if (!(t = strndup(w, l))) | |
109 | return -ENOMEM; | |
110 | ||
23a177ef | 111 | r = unit_merge_by_name(u, t); |
87d1515d | 112 | free(t); |
23a177ef LP |
113 | |
114 | if (r < 0) | |
115 | return r; | |
87d1515d LP |
116 | } |
117 | ||
118 | return 0; | |
119 | } | |
120 | ||
42f4e3c4 LP |
121 | static int config_parse_listen( |
122 | const char *filename, | |
123 | unsigned line, | |
124 | const char *section, | |
125 | const char *lvalue, | |
126 | const char *rvalue, | |
127 | void *data, | |
128 | void *userdata) { | |
129 | ||
16354eff | 130 | int r; |
542563ba LP |
131 | SocketPort *p; |
132 | Socket *s; | |
16354eff | 133 | |
42f4e3c4 LP |
134 | assert(filename); |
135 | assert(lvalue); | |
136 | assert(rvalue); | |
137 | assert(data); | |
138 | ||
542563ba LP |
139 | s = (Socket*) data; |
140 | ||
141 | if (!(p = new0(SocketPort, 1))) | |
142 | return -ENOMEM; | |
143 | ||
144 | if (streq(lvalue, "ListenFIFO")) { | |
145 | p->type = SOCKET_FIFO; | |
146 | ||
147 | if (!(p->path = strdup(rvalue))) { | |
148 | free(p); | |
149 | return -ENOMEM; | |
150 | } | |
151 | } else { | |
152 | p->type = SOCKET_SOCKET; | |
153 | ||
154 | if ((r = socket_address_parse(&p->address, rvalue)) < 0) { | |
155 | log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); | |
156 | free(p); | |
157 | return r; | |
158 | } | |
159 | ||
160 | if (streq(lvalue, "ListenStream")) | |
161 | p->address.type = SOCK_STREAM; | |
162 | else if (streq(lvalue, "ListenDatagram")) | |
163 | p->address.type = SOCK_DGRAM; | |
164 | else { | |
165 | assert(streq(lvalue, "ListenSequentialPacket")); | |
166 | p->address.type = SOCK_SEQPACKET; | |
167 | } | |
168 | ||
169 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
170 | free(p); | |
171 | return -EPROTONOSUPPORT; | |
172 | } | |
16354eff LP |
173 | } |
174 | ||
542563ba | 175 | p->fd = -1; |
034c6ed7 | 176 | LIST_PREPEND(SocketPort, port, s->ports, p); |
542563ba | 177 | |
16354eff | 178 | return 0; |
42f4e3c4 LP |
179 | } |
180 | ||
034c6ed7 | 181 | static int config_parse_socket_bind( |
42f4e3c4 LP |
182 | const char *filename, |
183 | unsigned line, | |
184 | const char *section, | |
185 | const char *lvalue, | |
186 | const char *rvalue, | |
187 | void *data, | |
188 | void *userdata) { | |
189 | ||
542563ba LP |
190 | int r; |
191 | Socket *s; | |
42f4e3c4 LP |
192 | |
193 | assert(filename); | |
194 | assert(lvalue); | |
195 | assert(rvalue); | |
196 | assert(data); | |
197 | ||
542563ba LP |
198 | s = (Socket*) data; |
199 | ||
200 | if ((r = parse_boolean(rvalue)) < 0) { | |
201 | log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); | |
202 | return r; | |
16354eff | 203 | } |
42f4e3c4 | 204 | |
542563ba LP |
205 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
206 | ||
42f4e3c4 LP |
207 | return 0; |
208 | } | |
209 | ||
034c6ed7 LP |
210 | static int config_parse_nice( |
211 | const char *filename, | |
212 | unsigned line, | |
213 | const char *section, | |
214 | const char *lvalue, | |
215 | const char *rvalue, | |
216 | void *data, | |
217 | void *userdata) { | |
218 | ||
fb33a393 LP |
219 | ExecContext *c = data; |
220 | int priority, r; | |
034c6ed7 LP |
221 | |
222 | assert(filename); | |
223 | assert(lvalue); | |
224 | assert(rvalue); | |
225 | assert(data); | |
226 | ||
227 | if ((r = safe_atoi(rvalue, &priority)) < 0) { | |
228 | log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); | |
229 | return r; | |
230 | } | |
231 | ||
232 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
233 | log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); | |
234 | return -ERANGE; | |
235 | } | |
236 | ||
fb33a393 LP |
237 | c->nice = priority; |
238 | c->nice_set = false; | |
239 | ||
034c6ed7 LP |
240 | return 0; |
241 | } | |
242 | ||
243 | static int config_parse_oom_adjust( | |
244 | const char *filename, | |
245 | unsigned line, | |
246 | const char *section, | |
247 | const char *lvalue, | |
248 | const char *rvalue, | |
249 | void *data, | |
250 | void *userdata) { | |
251 | ||
fb33a393 LP |
252 | ExecContext *c = data; |
253 | int oa, r; | |
034c6ed7 LP |
254 | |
255 | assert(filename); | |
256 | assert(lvalue); | |
257 | assert(rvalue); | |
258 | assert(data); | |
259 | ||
260 | if ((r = safe_atoi(rvalue, &oa)) < 0) { | |
261 | log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); | |
262 | return r; | |
263 | } | |
264 | ||
265 | if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { | |
266 | log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); | |
267 | return -ERANGE; | |
268 | } | |
269 | ||
fb33a393 LP |
270 | c->oom_adjust = oa; |
271 | c->oom_adjust_set = true; | |
272 | ||
034c6ed7 LP |
273 | return 0; |
274 | } | |
275 | ||
b5a0699f | 276 | static int config_parse_mode( |
034c6ed7 LP |
277 | const char *filename, |
278 | unsigned line, | |
279 | const char *section, | |
280 | const char *lvalue, | |
281 | const char *rvalue, | |
282 | void *data, | |
283 | void *userdata) { | |
284 | ||
285 | mode_t *m = data; | |
286 | long l; | |
287 | char *x = NULL; | |
288 | ||
289 | assert(filename); | |
290 | assert(lvalue); | |
291 | assert(rvalue); | |
292 | assert(data); | |
293 | ||
294 | errno = 0; | |
295 | l = strtol(rvalue, &x, 8); | |
296 | if (!x || *x || errno) { | |
b5a0699f | 297 | log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); |
034c6ed7 LP |
298 | return errno ? -errno : -EINVAL; |
299 | } | |
300 | ||
b5a0699f LP |
301 | if (l < 0000 || l > 07777) { |
302 | log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); | |
034c6ed7 LP |
303 | return -ERANGE; |
304 | } | |
305 | ||
306 | *m = (mode_t) l; | |
307 | return 0; | |
308 | } | |
309 | ||
310 | static int config_parse_exec( | |
311 | const char *filename, | |
312 | unsigned line, | |
313 | const char *section, | |
314 | const char *lvalue, | |
315 | const char *rvalue, | |
316 | void *data, | |
317 | void *userdata) { | |
318 | ||
a6a80b4f | 319 | ExecCommand **e = data, *nce = NULL; |
034c6ed7 LP |
320 | char **n; |
321 | char *w; | |
322 | unsigned k; | |
323 | size_t l; | |
324 | char *state; | |
325 | ||
326 | assert(filename); | |
327 | assert(lvalue); | |
328 | assert(rvalue); | |
329 | assert(data); | |
330 | ||
331 | k = 0; | |
332 | FOREACH_WORD_QUOTED(w, l, rvalue, state) | |
333 | k++; | |
334 | ||
335 | if (!(n = new(char*, k+1))) | |
336 | return -ENOMEM; | |
337 | ||
44d8db9e | 338 | k = 0; |
034c6ed7 LP |
339 | FOREACH_WORD_QUOTED(w, l, rvalue, state) |
340 | if (!(n[k++] = strndup(w, l))) | |
341 | goto fail; | |
342 | ||
343 | n[k] = NULL; | |
344 | ||
0301abf4 | 345 | if (!n[0] || !path_is_absolute(n[0])) { |
034c6ed7 LP |
346 | log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); |
347 | strv_free(n); | |
348 | return -EINVAL; | |
349 | } | |
350 | ||
351 | if (!(nce = new0(ExecCommand, 1))) | |
352 | goto fail; | |
353 | ||
354 | nce->argv = n; | |
355 | if (!(nce->path = strdup(n[0]))) | |
356 | goto fail; | |
357 | ||
a6a80b4f | 358 | exec_command_append_list(e, nce); |
034c6ed7 LP |
359 | |
360 | return 0; | |
361 | ||
362 | fail: | |
363 | for (; k > 0; k--) | |
364 | free(n[k-1]); | |
365 | free(n); | |
366 | ||
367 | free(nce); | |
368 | ||
369 | return -ENOMEM; | |
370 | } | |
371 | ||
372 | static int config_parse_usec( | |
373 | const char *filename, | |
374 | unsigned line, | |
375 | const char *section, | |
376 | const char *lvalue, | |
377 | const char *rvalue, | |
378 | void *data, | |
379 | void *userdata) { | |
380 | ||
381 | usec_t *usec = data; | |
382 | unsigned long long u; | |
383 | int r; | |
384 | ||
385 | assert(filename); | |
386 | assert(lvalue); | |
387 | assert(rvalue); | |
388 | assert(data); | |
389 | ||
390 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
391 | log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); | |
392 | return r; | |
393 | } | |
394 | ||
395 | /* We actually assume the user configures seconds. Later on we | |
396 | * might choose to support suffixes for time values, to | |
397 | * configure bigger or smaller units */ | |
398 | ||
399 | *usec = u * USEC_PER_SEC; | |
400 | ||
401 | return 0; | |
402 | } | |
403 | ||
404 | static int config_parse_service_type( | |
405 | const char *filename, | |
406 | unsigned line, | |
407 | const char *section, | |
408 | const char *lvalue, | |
409 | const char *rvalue, | |
410 | void *data, | |
411 | void *userdata) { | |
412 | ||
413 | Service *s = data; | |
94f04347 | 414 | ServiceType x; |
034c6ed7 LP |
415 | |
416 | assert(filename); | |
417 | assert(lvalue); | |
418 | assert(rvalue); | |
419 | assert(data); | |
420 | ||
94f04347 | 421 | if ((x = service_type_from_string(rvalue)) < 0) { |
034c6ed7 LP |
422 | log_error("[%s:%u] Failed to parse service type: %s", filename, line, rvalue); |
423 | return -EBADMSG; | |
424 | } | |
425 | ||
94f04347 LP |
426 | s->type = x; |
427 | ||
034c6ed7 LP |
428 | return 0; |
429 | } | |
430 | ||
431 | static int config_parse_service_restart( | |
432 | const char *filename, | |
433 | unsigned line, | |
434 | const char *section, | |
435 | const char *lvalue, | |
436 | const char *rvalue, | |
437 | void *data, | |
438 | void *userdata) { | |
439 | ||
440 | Service *s = data; | |
94f04347 | 441 | ServiceRestart x; |
034c6ed7 LP |
442 | |
443 | assert(filename); | |
444 | assert(lvalue); | |
445 | assert(rvalue); | |
446 | assert(data); | |
447 | ||
94f04347 LP |
448 | if ((x = service_restart_from_string(rvalue)) < 0) { |
449 | log_error("[%s:%u] Failed to parse service restart specifier: %s", filename, line, rvalue); | |
034c6ed7 LP |
450 | return -EBADMSG; |
451 | } | |
452 | ||
94f04347 LP |
453 | s->restart = x; |
454 | ||
034c6ed7 LP |
455 | return 0; |
456 | } | |
457 | ||
47be870b | 458 | static int config_parse_bindtodevice( |
acbb0225 LP |
459 | const char *filename, |
460 | unsigned line, | |
461 | const char *section, | |
462 | const char *lvalue, | |
463 | const char *rvalue, | |
464 | void *data, | |
465 | void *userdata) { | |
466 | ||
467 | Socket *s = data; | |
468 | char *n; | |
469 | ||
470 | assert(filename); | |
471 | assert(lvalue); | |
472 | assert(rvalue); | |
473 | assert(data); | |
474 | ||
475 | if (rvalue[0] && !streq(rvalue, "*")) { | |
476 | if (!(n = strdup(rvalue))) | |
477 | return -ENOMEM; | |
478 | } else | |
479 | n = NULL; | |
480 | ||
481 | free(s->bind_to_device); | |
482 | s->bind_to_device = n; | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
47be870b | 487 | static int config_parse_output( |
071830ff LP |
488 | const char *filename, |
489 | unsigned line, | |
490 | const char *section, | |
491 | const char *lvalue, | |
492 | const char *rvalue, | |
493 | void *data, | |
494 | void *userdata) { | |
495 | ||
94f04347 | 496 | ExecOutput *o = data, x; |
071830ff LP |
497 | |
498 | assert(filename); | |
499 | assert(lvalue); | |
500 | assert(rvalue); | |
501 | assert(data); | |
502 | ||
94f04347 LP |
503 | if ((x = exec_output_from_string(rvalue)) < 0) { |
504 | log_error("[%s:%u] Failed to parse output specifier: %s", filename, line, rvalue); | |
505 | return -EBADMSG; | |
506 | } | |
507 | ||
508 | *o = x; | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
47be870b | 513 | static int config_parse_input( |
94f04347 LP |
514 | const char *filename, |
515 | unsigned line, | |
516 | const char *section, | |
517 | const char *lvalue, | |
518 | const char *rvalue, | |
519 | void *data, | |
520 | void *userdata) { | |
521 | ||
522 | ExecInput *i = data, x; | |
523 | ||
524 | assert(filename); | |
525 | assert(lvalue); | |
526 | assert(rvalue); | |
527 | assert(data); | |
528 | ||
529 | if ((x = exec_input_from_string(rvalue)) < 0) { | |
530 | log_error("[%s:%u] Failed to parse input specifier: %s", filename, line, rvalue); | |
071830ff LP |
531 | return -EBADMSG; |
532 | } | |
533 | ||
94f04347 LP |
534 | *i = x; |
535 | ||
071830ff LP |
536 | return 0; |
537 | } | |
87f0e418 | 538 | |
47be870b | 539 | static int config_parse_facility( |
071830ff LP |
540 | const char *filename, |
541 | unsigned line, | |
542 | const char *section, | |
543 | const char *lvalue, | |
544 | const char *rvalue, | |
545 | void *data, | |
546 | void *userdata) { | |
547 | ||
071830ff | 548 | |
94f04347 | 549 | int *o = data, x; |
071830ff LP |
550 | |
551 | assert(filename); | |
552 | assert(lvalue); | |
553 | assert(rvalue); | |
554 | assert(data); | |
555 | ||
94f04347 | 556 | if ((x = log_facility_from_string(rvalue)) < 0) |
071830ff LP |
557 | |
558 | /* Second try, let's see if this is a number. */ | |
94f04347 LP |
559 | if (safe_atoi(rvalue, &x) < 0 || !log_facility_to_string(x)) { |
560 | log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); | |
071830ff LP |
561 | return -EBADMSG; |
562 | } | |
94f04347 LP |
563 | |
564 | *o = LOG_MAKEPRI(x, LOG_PRI(*o)); | |
071830ff LP |
565 | |
566 | return 0; | |
567 | } | |
568 | ||
47be870b | 569 | static int config_parse_level( |
071830ff LP |
570 | const char *filename, |
571 | unsigned line, | |
572 | const char *section, | |
573 | const char *lvalue, | |
574 | const char *rvalue, | |
575 | void *data, | |
576 | void *userdata) { | |
577 | ||
071830ff | 578 | |
94f04347 | 579 | int *o = data, x; |
071830ff LP |
580 | |
581 | assert(filename); | |
582 | assert(lvalue); | |
583 | assert(rvalue); | |
584 | assert(data); | |
585 | ||
94f04347 LP |
586 | if ((x = log_level_from_string(rvalue)) < 0) |
587 | ||
588 | /* Second try, let's see if this is a number. */ | |
589 | if (safe_atoi(rvalue, &x) < 0 || !log_level_to_string(x)) { | |
590 | log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); | |
591 | return -EBADMSG; | |
071830ff LP |
592 | } |
593 | ||
94f04347 LP |
594 | *o = LOG_MAKEPRI(LOG_FAC(*o), x); |
595 | return 0; | |
596 | } | |
597 | ||
47be870b | 598 | static int config_parse_io_class( |
94f04347 LP |
599 | const char *filename, |
600 | unsigned line, | |
601 | const char *section, | |
602 | const char *lvalue, | |
603 | const char *rvalue, | |
604 | void *data, | |
605 | void *userdata) { | |
606 | ||
607 | ExecContext *c = data; | |
608 | int x; | |
609 | ||
610 | assert(filename); | |
611 | assert(lvalue); | |
612 | assert(rvalue); | |
613 | assert(data); | |
614 | ||
615 | if ((x = ioprio_class_from_string(rvalue)) < 0) | |
071830ff LP |
616 | |
617 | /* Second try, let's see if this is a number. */ | |
94f04347 LP |
618 | if (safe_atoi(rvalue, &x) < 0 || !ioprio_class_to_string(x)) { |
619 | log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); | |
071830ff LP |
620 | return -EBADMSG; |
621 | } | |
94f04347 LP |
622 | |
623 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
624 | c->ioprio_set = true; | |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
47be870b | 629 | static int config_parse_io_priority( |
94f04347 LP |
630 | const char *filename, |
631 | unsigned line, | |
632 | const char *section, | |
633 | const char *lvalue, | |
634 | const char *rvalue, | |
635 | void *data, | |
636 | void *userdata) { | |
637 | ||
638 | ExecContext *c = data; | |
639 | int i; | |
640 | ||
641 | assert(filename); | |
642 | assert(lvalue); | |
643 | assert(rvalue); | |
644 | assert(data); | |
645 | ||
646 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
647 | log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue); | |
648 | return -EBADMSG; | |
071830ff LP |
649 | } |
650 | ||
94f04347 LP |
651 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
652 | c->ioprio_set = true; | |
653 | ||
071830ff LP |
654 | return 0; |
655 | } | |
656 | ||
47be870b | 657 | static int config_parse_cpu_sched_policy( |
9eba9da4 LP |
658 | const char *filename, |
659 | unsigned line, | |
660 | const char *section, | |
661 | const char *lvalue, | |
662 | const char *rvalue, | |
663 | void *data, | |
664 | void *userdata) { | |
665 | ||
94f04347 LP |
666 | |
667 | ExecContext *c = data; | |
668 | int x; | |
669 | ||
670 | assert(filename); | |
671 | assert(lvalue); | |
672 | assert(rvalue); | |
673 | assert(data); | |
674 | ||
675 | if ((x = sched_policy_from_string(rvalue)) < 0) | |
676 | ||
677 | /* Second try, let's see if this is a number. */ | |
678 | if (safe_atoi(rvalue, &x) < 0 || !sched_policy_to_string(x)) { | |
679 | log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); | |
680 | return -EBADMSG; | |
681 | } | |
682 | ||
683 | c->cpu_sched_policy = x; | |
684 | c->cpu_sched_set = true; | |
685 | ||
686 | return 0; | |
687 | } | |
688 | ||
47be870b | 689 | static int config_parse_cpu_sched_prio( |
94f04347 LP |
690 | const char *filename, |
691 | unsigned line, | |
692 | const char *section, | |
693 | const char *lvalue, | |
694 | const char *rvalue, | |
695 | void *data, | |
696 | void *userdata) { | |
9eba9da4 LP |
697 | |
698 | ExecContext *c = data; | |
699 | int i; | |
700 | ||
701 | assert(filename); | |
702 | assert(lvalue); | |
703 | assert(rvalue); | |
704 | assert(data); | |
705 | ||
94f04347 LP |
706 | /* On Linux RR/FIFO have the same range */ |
707 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
708 | log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue); | |
709 | return -EBADMSG; | |
710 | } | |
9eba9da4 | 711 | |
94f04347 LP |
712 | c->cpu_sched_priority = i; |
713 | c->cpu_sched_set = true; | |
714 | ||
715 | return 0; | |
716 | } | |
717 | ||
47be870b | 718 | static int config_parse_cpu_affinity( |
94f04347 LP |
719 | const char *filename, |
720 | unsigned line, | |
721 | const char *section, | |
722 | const char *lvalue, | |
723 | const char *rvalue, | |
724 | void *data, | |
725 | void *userdata) { | |
726 | ||
727 | ExecContext *c = data; | |
728 | char *w; | |
729 | size_t l; | |
730 | char *state; | |
731 | ||
732 | assert(filename); | |
733 | assert(lvalue); | |
734 | assert(rvalue); | |
735 | assert(data); | |
736 | ||
f62c0e4f | 737 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
738 | char *t; |
739 | int r; | |
740 | unsigned cpu; | |
741 | ||
742 | if (!(t = strndup(w, l))) | |
743 | return -ENOMEM; | |
744 | ||
745 | r = safe_atou(t, &cpu); | |
746 | free(t); | |
747 | ||
748 | if (r < 0 || cpu >= CPU_SETSIZE) { | |
749 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
750 | return -EBADMSG; | |
9eba9da4 | 751 | } |
94f04347 LP |
752 | |
753 | CPU_SET(cpu, &c->cpu_affinity); | |
9eba9da4 LP |
754 | } |
755 | ||
94f04347 | 756 | c->cpu_affinity_set = true; |
9eba9da4 | 757 | |
94f04347 LP |
758 | return 0; |
759 | } | |
760 | ||
47be870b | 761 | static int config_parse_capabilities( |
94f04347 LP |
762 | const char *filename, |
763 | unsigned line, | |
764 | const char *section, | |
765 | const char *lvalue, | |
766 | const char *rvalue, | |
767 | void *data, | |
768 | void *userdata) { | |
769 | ||
770 | ExecContext *c = data; | |
771 | cap_t cap; | |
772 | ||
773 | assert(filename); | |
774 | assert(lvalue); | |
775 | assert(rvalue); | |
776 | assert(data); | |
777 | ||
778 | if (!(cap = cap_from_text(rvalue))) { | |
779 | if (errno == ENOMEM) | |
780 | return -ENOMEM; | |
781 | ||
782 | log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue); | |
783 | return -EBADMSG; | |
784 | } | |
785 | ||
786 | if (c->capabilities) | |
787 | cap_free(c->capabilities); | |
788 | c->capabilities = cap; | |
789 | ||
790 | return 0; | |
791 | } | |
792 | ||
47be870b | 793 | static int config_parse_secure_bits( |
94f04347 LP |
794 | const char *filename, |
795 | unsigned line, | |
796 | const char *section, | |
797 | const char *lvalue, | |
798 | const char *rvalue, | |
799 | void *data, | |
800 | void *userdata) { | |
801 | ||
802 | ExecContext *c = data; | |
803 | char *w; | |
804 | size_t l; | |
805 | char *state; | |
806 | ||
807 | assert(filename); | |
808 | assert(lvalue); | |
809 | assert(rvalue); | |
810 | assert(data); | |
811 | ||
f62c0e4f | 812 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
813 | if (first_word(w, "keep-caps")) |
814 | c->secure_bits |= SECURE_KEEP_CAPS; | |
815 | else if (first_word(w, "keep-caps-locked")) | |
816 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
817 | else if (first_word(w, "no-setuid-fixup")) | |
818 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
819 | else if (first_word(w, "no-setuid-fixup-locked")) | |
820 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
821 | else if (first_word(w, "noroot")) | |
822 | c->secure_bits |= SECURE_NOROOT; | |
823 | else if (first_word(w, "noroot-locked")) | |
824 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
9eba9da4 | 825 | else { |
94f04347 | 826 | log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue); |
9eba9da4 LP |
827 | return -EBADMSG; |
828 | } | |
829 | } | |
830 | ||
94f04347 LP |
831 | return 0; |
832 | } | |
833 | ||
47be870b | 834 | static int config_parse_bounding_set( |
94f04347 LP |
835 | const char *filename, |
836 | unsigned line, | |
837 | const char *section, | |
838 | const char *lvalue, | |
839 | const char *rvalue, | |
840 | void *data, | |
841 | void *userdata) { | |
842 | ||
843 | ExecContext *c = data; | |
844 | char *w; | |
845 | size_t l; | |
846 | char *state; | |
847 | ||
848 | assert(filename); | |
849 | assert(lvalue); | |
850 | assert(rvalue); | |
851 | assert(data); | |
852 | ||
f62c0e4f | 853 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
854 | char *t; |
855 | int r; | |
856 | cap_value_t cap; | |
857 | ||
858 | if (!(t = strndup(w, l))) | |
859 | return -ENOMEM; | |
860 | ||
861 | r = cap_from_name(t, &cap); | |
862 | free(t); | |
863 | ||
864 | if (r < 0) { | |
865 | log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue); | |
866 | return -EBADMSG; | |
867 | } | |
868 | ||
869 | c->capability_bounding_set_drop |= 1 << cap; | |
870 | } | |
9eba9da4 LP |
871 | |
872 | return 0; | |
873 | } | |
874 | ||
94f04347 | 875 | static int config_parse_timer_slack_ns( |
9eba9da4 LP |
876 | const char *filename, |
877 | unsigned line, | |
878 | const char *section, | |
879 | const char *lvalue, | |
880 | const char *rvalue, | |
881 | void *data, | |
882 | void *userdata) { | |
883 | ||
884 | ExecContext *c = data; | |
94f04347 LP |
885 | unsigned long u; |
886 | int r; | |
9eba9da4 LP |
887 | |
888 | assert(filename); | |
889 | assert(lvalue); | |
890 | assert(rvalue); | |
891 | assert(data); | |
892 | ||
94f04347 LP |
893 | if ((r = safe_atolu(rvalue, &u)) < 0) { |
894 | log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); | |
895 | return r; | |
9eba9da4 LP |
896 | } |
897 | ||
94f04347 LP |
898 | c->timer_slack_ns = u; |
899 | ||
900 | return 0; | |
901 | } | |
902 | ||
903 | static int config_parse_limit( | |
904 | const char *filename, | |
905 | unsigned line, | |
906 | const char *section, | |
907 | const char *lvalue, | |
908 | const char *rvalue, | |
909 | void *data, | |
910 | void *userdata) { | |
911 | ||
912 | struct rlimit **rl = data; | |
913 | unsigned long long u; | |
914 | int r; | |
915 | ||
916 | assert(filename); | |
917 | assert(lvalue); | |
918 | assert(rvalue); | |
919 | assert(data); | |
920 | ||
921 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
922 | log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); | |
923 | return r; | |
924 | } | |
925 | ||
926 | if (!*rl) | |
927 | if (!(*rl = new(struct rlimit, 1))) | |
928 | return -ENOMEM; | |
9eba9da4 | 929 | |
94f04347 | 930 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
931 | return 0; |
932 | } | |
933 | ||
8e274523 LP |
934 | static int config_parse_cgroup( |
935 | const char *filename, | |
936 | unsigned line, | |
937 | const char *section, | |
938 | const char *lvalue, | |
939 | const char *rvalue, | |
940 | void *data, | |
941 | void *userdata) { | |
942 | ||
943 | Unit *u = userdata; | |
944 | char *w; | |
945 | size_t l; | |
946 | char *state; | |
947 | ||
948 | FOREACH_WORD(w, l, rvalue, state) { | |
949 | char *t; | |
950 | int r; | |
951 | ||
952 | if (!(t = strndup(w, l))) | |
953 | return -ENOMEM; | |
954 | ||
955 | r = unit_add_cgroup_from_text(u, t); | |
956 | free(t); | |
957 | ||
958 | if (r < 0) | |
959 | return r; | |
960 | } | |
961 | ||
962 | return 0; | |
963 | } | |
964 | ||
a9a1e00a LP |
965 | static int config_parse_sysv_priority( |
966 | const char *filename, | |
967 | unsigned line, | |
968 | const char *section, | |
969 | const char *lvalue, | |
970 | const char *rvalue, | |
971 | void *data, | |
972 | void *userdata) { | |
973 | ||
974 | int *priority = data; | |
975 | int r, i; | |
976 | ||
977 | assert(filename); | |
978 | assert(lvalue); | |
979 | assert(rvalue); | |
980 | assert(data); | |
981 | ||
982 | if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) { | |
983 | log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue); | |
984 | return r; | |
985 | } | |
986 | ||
987 | *priority = (int) i; | |
988 | return 0; | |
989 | } | |
990 | ||
50159e6a LP |
991 | static int config_parse_kill_mode( |
992 | const char *filename, | |
993 | unsigned line, | |
994 | const char *section, | |
995 | const char *lvalue, | |
996 | const char *rvalue, | |
997 | void *data, | |
998 | void *userdata) { | |
999 | ||
1000 | KillMode *m = data, x; | |
1001 | ||
1002 | assert(filename); | |
1003 | assert(lvalue); | |
1004 | assert(rvalue); | |
1005 | assert(data); | |
1006 | ||
1007 | if ((x = kill_mode_from_string(rvalue)) < 0) { | |
1008 | log_error("[%s:%u] Failed to parse kill mode specifier: %s", filename, line, rvalue); | |
1009 | return -EBADMSG; | |
1010 | } | |
1011 | ||
1012 | *m = x; | |
1013 | ||
1014 | return 0; | |
1015 | } | |
1016 | ||
071830ff | 1017 | #define FOLLOW_MAX 8 |
87f0e418 | 1018 | |
0301abf4 LP |
1019 | static int open_follow(char **filename, FILE **_f, Set *names, char **_id) { |
1020 | unsigned c = 0; | |
87f0e418 LP |
1021 | int fd, r; |
1022 | FILE *f; | |
0301abf4 | 1023 | char *id = NULL; |
87f0e418 LP |
1024 | |
1025 | assert(filename); | |
1026 | assert(*filename); | |
1027 | assert(_f); | |
1028 | assert(names); | |
1029 | ||
0301abf4 LP |
1030 | /* This will update the filename pointer if the loaded file is |
1031 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 1032 | |
0301abf4 | 1033 | for (;;) { |
87f0e418 LP |
1034 | char *target, *k, *name; |
1035 | ||
0301abf4 LP |
1036 | if (c++ >= FOLLOW_MAX) |
1037 | return -ELOOP; | |
1038 | ||
b08d03ff LP |
1039 | path_kill_slashes(*filename); |
1040 | ||
87f0e418 LP |
1041 | /* Add the file name we are currently looking at to |
1042 | * the names of this unit */ | |
0301abf4 LP |
1043 | name = file_name_from_path(*filename); |
1044 | if (!(id = set_get(names, name))) { | |
87f0e418 | 1045 | |
0301abf4 LP |
1046 | if (!(id = strdup(name))) |
1047 | return -ENOMEM; | |
87f0e418 | 1048 | |
0301abf4 LP |
1049 | if ((r = set_put(names, id)) < 0) { |
1050 | free(id); | |
1051 | return r; | |
87f0e418 | 1052 | } |
87f0e418 LP |
1053 | } |
1054 | ||
0301abf4 LP |
1055 | /* Try to open the file name, but don't if its a symlink */ |
1056 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
87f0e418 LP |
1057 | break; |
1058 | ||
0301abf4 LP |
1059 | if (errno != ELOOP) |
1060 | return -errno; | |
1061 | ||
87f0e418 | 1062 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
0301abf4 LP |
1063 | if ((r = readlink_malloc(*filename, &target)) < 0) |
1064 | return r; | |
87f0e418 | 1065 | |
c25fb0ed | 1066 | k = file_in_same_dir(*filename, target); |
87f0e418 LP |
1067 | free(target); |
1068 | ||
0301abf4 LP |
1069 | if (!k) |
1070 | return -ENOMEM; | |
87f0e418 | 1071 | |
0301abf4 LP |
1072 | free(*filename); |
1073 | *filename = k; | |
87f0e418 LP |
1074 | } |
1075 | ||
1076 | if (!(f = fdopen(fd, "r"))) { | |
1077 | r = -errno; | |
1078 | assert(close_nointr(fd) == 0); | |
0301abf4 | 1079 | return r; |
87f0e418 LP |
1080 | } |
1081 | ||
1082 | *_f = f; | |
0301abf4 LP |
1083 | *_id = id; |
1084 | return 0; | |
87f0e418 LP |
1085 | } |
1086 | ||
23a177ef LP |
1087 | static int merge_by_names(Unit **u, Set *names, const char *id) { |
1088 | char *k; | |
1089 | int r; | |
1090 | ||
1091 | assert(u); | |
1092 | assert(*u); | |
1093 | assert(names); | |
1094 | ||
1095 | /* Let's try to add in all symlink names we found */ | |
1096 | while ((k = set_steal_first(names))) { | |
1097 | ||
1098 | /* First try to merge in the other name into our | |
1099 | * unit */ | |
1100 | if ((r = unit_merge_by_name(*u, k)) < 0) { | |
1101 | Unit *other; | |
1102 | ||
1103 | /* Hmm, we couldn't merge the other unit into | |
1104 | * ours? Then let's try it the other way | |
1105 | * round */ | |
1106 | ||
1107 | other = manager_get_unit((*u)->meta.manager, k); | |
1108 | free(k); | |
1109 | ||
1110 | if (other) | |
1111 | if ((r = unit_merge(other, *u)) >= 0) { | |
1112 | *u = other; | |
1113 | return merge_by_names(u, names, NULL); | |
1114 | } | |
1115 | ||
1116 | return r; | |
1117 | } | |
1118 | ||
1119 | if (id == k) | |
1120 | unit_choose_id(*u, id); | |
1121 | ||
1122 | free(k); | |
1123 | } | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
e537352b LP |
1128 | static void dump_items(FILE *f, const ConfigItem *items) { |
1129 | const ConfigItem *i; | |
1130 | const char *prev_section = NULL; | |
1131 | bool not_first = false; | |
1132 | ||
1133 | struct { | |
1134 | ConfigParserCallback callback; | |
1135 | const char *rvalue; | |
1136 | } table[] = { | |
1137 | { config_parse_int, "INTEGER" }, | |
1138 | { config_parse_unsigned, "UNSIGNED" }, | |
1139 | { config_parse_size, "SIZE" }, | |
1140 | { config_parse_bool, "BOOLEAN" }, | |
1141 | { config_parse_string, "STRING" }, | |
1142 | { config_parse_path, "PATH" }, | |
1143 | { config_parse_strv, "STRING [...]" }, | |
1144 | { config_parse_nice, "NICE" }, | |
1145 | { config_parse_oom_adjust, "OOMADJUST" }, | |
1146 | { config_parse_io_class, "IOCLASS" }, | |
1147 | { config_parse_io_priority, "IOPRIORITY" }, | |
1148 | { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
1149 | { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
1150 | { config_parse_cpu_affinity, "CPUAFFINITY" }, | |
1151 | { config_parse_mode, "MODE" }, | |
1152 | { config_parse_output, "OUTPUT" }, | |
1153 | { config_parse_input, "INPUT" }, | |
1154 | { config_parse_facility, "FACILITY" }, | |
1155 | { config_parse_level, "LEVEL" }, | |
1156 | { config_parse_capabilities, "CAPABILITIES" }, | |
1157 | { config_parse_secure_bits, "SECUREBITS" }, | |
1158 | { config_parse_bounding_set, "BOUNDINGSET" }, | |
1159 | { config_parse_timer_slack_ns, "TIMERSLACK" }, | |
1160 | { config_parse_limit, "LIMIT" }, | |
1161 | { config_parse_cgroup, "CGROUP [...]" }, | |
1162 | { config_parse_deps, "UNIT [...]" }, | |
1163 | { config_parse_names, "UNIT [...]" }, | |
1164 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, | |
1165 | { config_parse_service_type, "SERVICETYPE" }, | |
1166 | { config_parse_service_restart, "SERVICERESTART" }, | |
1167 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
1168 | { config_parse_kill_mode, "KILLMODE" }, | |
1169 | { config_parse_listen, "SOCKET [...]" }, | |
1170 | { config_parse_socket_bind, "SOCKETBIND" }, | |
1171 | { config_parse_bindtodevice, "NETWORKINTERFACE" } | |
1172 | }; | |
1173 | ||
1174 | assert(f); | |
1175 | assert(items); | |
1176 | ||
1177 | for (i = items; i->lvalue; i++) { | |
1178 | unsigned j; | |
1179 | const char *rvalue = "OTHER"; | |
1180 | ||
1181 | if (!streq_ptr(i->section, prev_section)) { | |
1182 | if (!not_first) | |
1183 | not_first = true; | |
1184 | else | |
1185 | fputc('\n', f); | |
1186 | ||
1187 | fprintf(f, "[%s]\n", i->section); | |
1188 | prev_section = i->section; | |
1189 | } | |
1190 | ||
1191 | for (j = 0; j < ELEMENTSOF(table); j++) | |
1192 | if (i->parse == table[j].callback) { | |
1193 | rvalue = table[j].rvalue; | |
1194 | break; | |
1195 | } | |
1196 | ||
1197 | fprintf(f, "%s=%s\n", i->lvalue, rvalue); | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | static int load_from_path(Unit *u, const char *path) { | |
87f0e418 LP |
1202 | |
1203 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1204 | [UNIT_SERVICE] = "Service", | |
1205 | [UNIT_TIMER] = "Timer", | |
1206 | [UNIT_SOCKET] = "Socket", | |
1207 | [UNIT_TARGET] = "Target", | |
1208 | [UNIT_DEVICE] = "Device", | |
1209 | [UNIT_MOUNT] = "Mount", | |
1210 | [UNIT_AUTOMOUNT] = "Automount", | |
1211 | [UNIT_SNAPSHOT] = "Snapshot" | |
42f4e3c4 LP |
1212 | }; |
1213 | ||
034c6ed7 | 1214 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ |
9eba9da4 LP |
1215 | { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ |
1216 | { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ | |
1c01f82b LP |
1217 | { "User", config_parse_string, &(context).user, section }, \ |
1218 | { "Group", config_parse_string, &(context).group, section }, \ | |
1219 | { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ | |
fb33a393 LP |
1220 | { "Nice", config_parse_nice, &(context), section }, \ |
1221 | { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ | |
9eba9da4 | 1222 | { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ |
94f04347 LP |
1223 | { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ |
1224 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ | |
1225 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ | |
38b48754 | 1226 | { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ |
94f04347 | 1227 | { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ |
b5a0699f | 1228 | { "UMask", config_parse_mode, &(context).umask, section }, \ |
071830ff | 1229 | { "Environment", config_parse_strv, &(context).environment, section }, \ |
80876c20 LP |
1230 | { "StandardInput", config_parse_input, &(context).std_input, section }, \ |
1231 | { "StandardOutput", config_parse_output, &(context).std_output, section }, \ | |
1232 | { "StandardError", config_parse_output, &(context).std_output, section }, \ | |
1233 | { "TTYPath", config_parse_path, &(context).tty_path, section }, \ | |
071830ff LP |
1234 | { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \ |
1235 | { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ | |
94f04347 LP |
1236 | { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ |
1237 | { "Capabilities", config_parse_capabilities, &(context), section }, \ | |
1238 | { "SecureBits", config_parse_secure_bits, &(context), section }, \ | |
1239 | { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ | |
1240 | { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ | |
1241 | { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1242 | { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1243 | { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1244 | { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1245 | { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1246 | { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1247 | { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1248 | { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ | |
1249 | { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1250 | { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1251 | { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1252 | { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1253 | { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1254 | { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1255 | { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
451a074f | 1256 | { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \ |
80876c20 | 1257 | { "ControlGroup", config_parse_cgroup, u, section } |
034c6ed7 | 1258 | |
3efd4195 | 1259 | const ConfigItem items[] = { |
1c01f82b LP |
1260 | { "Names", config_parse_names, u, "Meta" }, |
1261 | { "Description", config_parse_string, &u->meta.description, "Meta" }, | |
1262 | { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Meta" }, | |
1263 | { "SoftRequires", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUIRES), "Meta" }, | |
1264 | { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Meta" }, | |
1265 | { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Meta" }, | |
1266 | { "SoftRequisite", config_parse_deps, UINT_TO_PTR(UNIT_SOFT_REQUISITE), "Meta" }, | |
1267 | { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Meta" }, | |
1268 | { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Meta" }, | |
1269 | { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Meta" }, | |
f3bff0eb LP |
1270 | { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Meta" }, |
1271 | { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Meta" }, | |
1c01f82b LP |
1272 | |
1273 | { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, | |
1274 | { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1275 | { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1276 | { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1277 | { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1278 | { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1279 | { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1280 | { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, | |
1281 | { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, | |
1282 | { "Type", config_parse_service_type, &u->service, "Service" }, | |
1283 | { "Restart", config_parse_service_restart, &u->service, "Service" }, | |
81a2b7ce LP |
1284 | { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, |
1285 | { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, | |
8e274523 | 1286 | { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, |
a9a1e00a | 1287 | { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, |
50159e6a | 1288 | { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, |
b778d555 | 1289 | { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, |
87f0e418 LP |
1290 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), |
1291 | ||
1c01f82b LP |
1292 | { "ListenStream", config_parse_listen, &u->socket, "Socket" }, |
1293 | { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, | |
1294 | { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, | |
1295 | { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, | |
1296 | { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, | |
1297 | { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, | |
acbb0225 | 1298 | { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, |
1c01f82b LP |
1299 | { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, |
1300 | { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1301 | { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
1302 | { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
108736d0 | 1303 | { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, |
b5a0699f LP |
1304 | { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, |
1305 | { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, | |
50159e6a | 1306 | { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, |
87f0e418 LP |
1307 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), |
1308 | ||
e537352b LP |
1309 | { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, |
1310 | { "Where", config_parse_path, &u->mount.where, "Mount" }, | |
1311 | { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, | |
1312 | { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, | |
1313 | { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, | |
1314 | { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, | |
1315 | EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), | |
034c6ed7 | 1316 | |
3efd4195 LP |
1317 | { NULL, NULL, NULL, NULL } |
1318 | }; | |
1319 | ||
034c6ed7 | 1320 | #undef EXEC_CONTEXT_CONFIG_ITEMS |
42f4e3c4 | 1321 | |
42f4e3c4 | 1322 | const char *sections[3]; |
0301abf4 LP |
1323 | char *k; |
1324 | int r; | |
87f0e418 | 1325 | Set *symlink_names; |
23a177ef LP |
1326 | FILE *f = NULL; |
1327 | char *filename = NULL, *id = NULL; | |
1328 | Unit *merged; | |
1329 | ||
e537352b LP |
1330 | if (!u) { |
1331 | /* Dirty dirty hack. */ | |
1332 | dump_items((FILE*) path, items); | |
1333 | return 0; | |
1334 | } | |
1335 | ||
23a177ef | 1336 | assert(u); |
e537352b | 1337 | assert(path); |
3efd4195 | 1338 | |
42f4e3c4 | 1339 | sections[0] = "Meta"; |
87f0e418 | 1340 | sections[1] = section_table[u->meta.type]; |
42f4e3c4 LP |
1341 | sections[2] = NULL; |
1342 | ||
87f0e418 LP |
1343 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) |
1344 | return -ENOMEM; | |
3efd4195 | 1345 | |
036643a2 LP |
1346 | if (path_is_absolute(path)) { |
1347 | ||
1348 | if (!(filename = strdup(path))) { | |
1349 | r = -ENOMEM; | |
1350 | goto finish; | |
1351 | } | |
1352 | ||
1353 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1354 | free(filename); | |
1355 | filename = NULL; | |
1356 | ||
1357 | if (r != -ENOENT) | |
1358 | goto finish; | |
1359 | } | |
1360 | ||
1361 | } else { | |
1362 | char **p; | |
1363 | ||
1364 | STRV_FOREACH(p, u->meta.manager->unit_path) { | |
1365 | ||
1366 | /* Instead of opening the path right away, we manually | |
1367 | * follow all symlinks and add their name to our unit | |
1368 | * name set while doing so */ | |
1369 | if (!(filename = path_make_absolute(path, *p))) { | |
1370 | r = -ENOMEM; | |
1371 | goto finish; | |
1372 | } | |
1373 | ||
1374 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1375 | char *sn; | |
1376 | ||
1377 | free(filename); | |
1378 | filename = NULL; | |
1379 | ||
1380 | if (r != -ENOENT) | |
1381 | goto finish; | |
1382 | ||
1383 | /* Empty the symlink names for the next run */ | |
1384 | while ((sn = set_steal_first(symlink_names))) | |
1385 | free(sn); | |
3efd4195 | 1386 | |
036643a2 LP |
1387 | continue; |
1388 | } | |
1389 | ||
1390 | break; | |
1391 | } | |
1392 | } | |
034c6ed7 | 1393 | |
036643a2 | 1394 | if (!filename) { |
23a177ef | 1395 | r = 0; |
0301abf4 LP |
1396 | goto finish; |
1397 | } | |
87f0e418 | 1398 | |
23a177ef LP |
1399 | merged = u; |
1400 | if ((r = merge_by_names(&merged, symlink_names, id)) < 0) | |
0301abf4 | 1401 | goto finish; |
87f0e418 | 1402 | |
23a177ef | 1403 | if (merged != u) { |
e537352b | 1404 | u->meta.load_state = UNIT_MERGED; |
23a177ef LP |
1405 | r = 0; |
1406 | goto finish; | |
034c6ed7 LP |
1407 | } |
1408 | ||
23a177ef LP |
1409 | /* Now, parse the file contents */ |
1410 | if ((r = config_parse(filename, f, sections, items, u)) < 0) | |
1411 | goto finish; | |
b08d03ff | 1412 | |
6be1e7d5 LP |
1413 | free(u->meta.fragment_path); |
1414 | u->meta.fragment_path = filename; | |
0301abf4 | 1415 | filename = NULL; |
87f0e418 | 1416 | |
e537352b | 1417 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 1418 | r = 0; |
87f0e418 LP |
1419 | |
1420 | finish: | |
1421 | while ((k = set_steal_first(symlink_names))) | |
1422 | free(k); | |
23a177ef | 1423 | |
87f0e418 | 1424 | set_free(symlink_names); |
0301abf4 LP |
1425 | free(filename); |
1426 | ||
23a177ef LP |
1427 | if (f) |
1428 | fclose(f); | |
1429 | ||
0301abf4 LP |
1430 | return r; |
1431 | } | |
1432 | ||
e537352b | 1433 | int unit_load_fragment(Unit *u) { |
23a177ef | 1434 | int r; |
0301abf4 LP |
1435 | |
1436 | assert(u); | |
23a177ef LP |
1437 | |
1438 | if (u->meta.fragment_path) { | |
1439 | ||
e537352b | 1440 | if ((r = load_from_path(u, u->meta.fragment_path)) < 0) |
23a177ef | 1441 | return r; |
0301abf4 | 1442 | |
23a177ef | 1443 | } else { |
0301abf4 | 1444 | Iterator i; |
890f434c | 1445 | const char *t; |
0301abf4 | 1446 | |
890f434c LP |
1447 | /* Try to find the unit under its id */ |
1448 | if ((t = unit_id(u))) | |
e537352b | 1449 | if ((r = load_from_path(u, t)) < 0) |
23a177ef | 1450 | return r; |
890f434c LP |
1451 | |
1452 | /* Try to find an alias we can load this with */ | |
e537352b | 1453 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1454 | SET_FOREACH(t, u->meta.names, i) { |
87f0e418 | 1455 | |
23a177ef LP |
1456 | if (unit_id(u) == t) |
1457 | continue; | |
071830ff | 1458 | |
e537352b | 1459 | if ((r = load_from_path(u, t)) < 0) |
23a177ef | 1460 | return r; |
890f434c | 1461 | |
e537352b | 1462 | if (u->meta.load_state != UNIT_STUB) |
23a177ef LP |
1463 | break; |
1464 | } | |
071830ff LP |
1465 | } |
1466 | ||
23a177ef | 1467 | return 0; |
3efd4195 | 1468 | } |
e537352b LP |
1469 | |
1470 | void unit_dump_config_items(FILE *f) { | |
1471 | /* OK, this wins a prize for extreme ugliness. */ | |
1472 | ||
1473 | load_from_path(NULL, (const void*) f); | |
1474 | } |