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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> | |
15ae422b | 30 | #include <sys/mount.h> |
3efd4195 | 31 | |
87f0e418 | 32 | #include "unit.h" |
3efd4195 LP |
33 | #include "strv.h" |
34 | #include "conf-parser.h" | |
35 | #include "load-fragment.h" | |
16354eff | 36 | #include "log.h" |
9eba9da4 | 37 | #include "ioprio.h" |
94f04347 LP |
38 | #include "securebits.h" |
39 | #include "missing.h" | |
9e2f7c11 | 40 | #include "unit-name.h" |
3efd4195 | 41 | |
0d87eb42 LP |
42 | #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ |
43 | static int function( \ | |
44 | const char *filename, \ | |
45 | unsigned line, \ | |
46 | const char *section, \ | |
47 | const char *lvalue, \ | |
48 | const char *rvalue, \ | |
49 | void *data, \ | |
50 | void *userdata) { \ | |
51 | \ | |
52 | type *i = data, x; \ | |
53 | \ | |
54 | assert(filename); \ | |
55 | assert(lvalue); \ | |
56 | assert(rvalue); \ | |
57 | assert(data); \ | |
58 | \ | |
59 | if ((x = name##_from_string(rvalue)) < 0) { \ | |
60 | log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \ | |
61 | return -EBADMSG; \ | |
62 | } \ | |
63 | \ | |
64 | *i = x; \ | |
65 | \ | |
66 | return 0; \ | |
67 | } | |
68 | ||
42f4e3c4 | 69 | static int config_parse_deps( |
3efd4195 LP |
70 | const char *filename, |
71 | unsigned line, | |
72 | const char *section, | |
73 | const char *lvalue, | |
74 | const char *rvalue, | |
75 | void *data, | |
76 | void *userdata) { | |
77 | ||
87f0e418 LP |
78 | UnitDependency d = PTR_TO_UINT(data); |
79 | Unit *u = userdata; | |
3efd4195 LP |
80 | char *w; |
81 | size_t l; | |
82 | char *state; | |
83 | ||
84 | assert(filename); | |
85 | assert(lvalue); | |
86 | assert(rvalue); | |
3efd4195 | 87 | |
f62c0e4f | 88 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 89 | char *t, *k; |
3efd4195 | 90 | int r; |
3efd4195 LP |
91 | |
92 | if (!(t = strndup(w, l))) | |
93 | return -ENOMEM; | |
94 | ||
9e2f7c11 | 95 | k = unit_name_printf(u, t); |
3efd4195 LP |
96 | free(t); |
97 | ||
9e2f7c11 LP |
98 | if (!k) |
99 | return -ENOMEM; | |
100 | ||
701cc384 | 101 | r = unit_add_dependency_by_name(u, d, k, NULL, true); |
9e2f7c11 LP |
102 | free(k); |
103 | ||
3efd4195 LP |
104 | if (r < 0) |
105 | return r; | |
3efd4195 LP |
106 | } |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
42f4e3c4 | 111 | static int config_parse_names( |
87d1515d LP |
112 | const char *filename, |
113 | unsigned line, | |
114 | const char *section, | |
115 | const char *lvalue, | |
116 | const char *rvalue, | |
117 | void *data, | |
118 | void *userdata) { | |
119 | ||
87f0e418 | 120 | Unit *u = userdata; |
87d1515d LP |
121 | char *w; |
122 | size_t l; | |
123 | char *state; | |
124 | ||
125 | assert(filename); | |
126 | assert(lvalue); | |
127 | assert(rvalue); | |
128 | assert(data); | |
129 | ||
f62c0e4f | 130 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 131 | char *t, *k; |
87d1515d | 132 | int r; |
87d1515d LP |
133 | |
134 | if (!(t = strndup(w, l))) | |
135 | return -ENOMEM; | |
136 | ||
9e2f7c11 | 137 | k = unit_name_printf(u, t); |
87d1515d | 138 | free(t); |
23a177ef | 139 | |
9e2f7c11 LP |
140 | if (!k) |
141 | return -ENOMEM; | |
142 | ||
143 | r = unit_merge_by_name(u, k); | |
144 | free(k); | |
145 | ||
23a177ef LP |
146 | if (r < 0) |
147 | return r; | |
87d1515d LP |
148 | } |
149 | ||
150 | return 0; | |
151 | } | |
152 | ||
932921b5 LP |
153 | static int config_parse_description( |
154 | const char *filename, | |
155 | unsigned line, | |
156 | const char *section, | |
157 | const char *lvalue, | |
158 | const char *rvalue, | |
159 | void *data, | |
160 | void *userdata) { | |
161 | ||
162 | Unit *u = userdata; | |
163 | char *k; | |
164 | ||
165 | assert(filename); | |
166 | assert(lvalue); | |
167 | assert(rvalue); | |
168 | assert(data); | |
169 | ||
170 | if (!(k = unit_full_printf(u, rvalue))) | |
171 | return -ENOMEM; | |
172 | ||
173 | free(u->meta.description); | |
174 | ||
175 | if (*k) | |
176 | u->meta.description = k; | |
177 | else { | |
178 | free(k); | |
179 | u->meta.description = NULL; | |
180 | } | |
181 | ||
182 | return 0; | |
183 | } | |
184 | ||
42f4e3c4 LP |
185 | static int config_parse_listen( |
186 | const char *filename, | |
187 | unsigned line, | |
188 | const char *section, | |
189 | const char *lvalue, | |
190 | const char *rvalue, | |
191 | void *data, | |
192 | void *userdata) { | |
193 | ||
16354eff | 194 | int r; |
542563ba LP |
195 | SocketPort *p; |
196 | Socket *s; | |
16354eff | 197 | |
42f4e3c4 LP |
198 | assert(filename); |
199 | assert(lvalue); | |
200 | assert(rvalue); | |
201 | assert(data); | |
202 | ||
542563ba LP |
203 | s = (Socket*) data; |
204 | ||
205 | if (!(p = new0(SocketPort, 1))) | |
206 | return -ENOMEM; | |
207 | ||
208 | if (streq(lvalue, "ListenFIFO")) { | |
209 | p->type = SOCKET_FIFO; | |
210 | ||
211 | if (!(p->path = strdup(rvalue))) { | |
212 | free(p); | |
213 | return -ENOMEM; | |
214 | } | |
215 | } else { | |
216 | p->type = SOCKET_SOCKET; | |
217 | ||
218 | if ((r = socket_address_parse(&p->address, rvalue)) < 0) { | |
219 | log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); | |
220 | free(p); | |
221 | return r; | |
222 | } | |
223 | ||
224 | if (streq(lvalue, "ListenStream")) | |
225 | p->address.type = SOCK_STREAM; | |
226 | else if (streq(lvalue, "ListenDatagram")) | |
227 | p->address.type = SOCK_DGRAM; | |
228 | else { | |
229 | assert(streq(lvalue, "ListenSequentialPacket")); | |
230 | p->address.type = SOCK_SEQPACKET; | |
231 | } | |
232 | ||
233 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
234 | free(p); | |
235 | return -EPROTONOSUPPORT; | |
236 | } | |
16354eff LP |
237 | } |
238 | ||
542563ba | 239 | p->fd = -1; |
034c6ed7 | 240 | LIST_PREPEND(SocketPort, port, s->ports, p); |
542563ba | 241 | |
16354eff | 242 | return 0; |
42f4e3c4 LP |
243 | } |
244 | ||
034c6ed7 | 245 | static int config_parse_socket_bind( |
42f4e3c4 LP |
246 | const char *filename, |
247 | unsigned line, | |
248 | const char *section, | |
249 | const char *lvalue, | |
250 | const char *rvalue, | |
251 | void *data, | |
252 | void *userdata) { | |
253 | ||
542563ba LP |
254 | int r; |
255 | Socket *s; | |
42f4e3c4 LP |
256 | |
257 | assert(filename); | |
258 | assert(lvalue); | |
259 | assert(rvalue); | |
260 | assert(data); | |
261 | ||
542563ba LP |
262 | s = (Socket*) data; |
263 | ||
264 | if ((r = parse_boolean(rvalue)) < 0) { | |
265 | log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); | |
266 | return r; | |
16354eff | 267 | } |
42f4e3c4 | 268 | |
542563ba LP |
269 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
270 | ||
42f4e3c4 LP |
271 | return 0; |
272 | } | |
273 | ||
034c6ed7 LP |
274 | static int config_parse_nice( |
275 | const char *filename, | |
276 | unsigned line, | |
277 | const char *section, | |
278 | const char *lvalue, | |
279 | const char *rvalue, | |
280 | void *data, | |
281 | void *userdata) { | |
282 | ||
fb33a393 LP |
283 | ExecContext *c = data; |
284 | int priority, r; | |
034c6ed7 LP |
285 | |
286 | assert(filename); | |
287 | assert(lvalue); | |
288 | assert(rvalue); | |
289 | assert(data); | |
290 | ||
291 | if ((r = safe_atoi(rvalue, &priority)) < 0) { | |
292 | log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); | |
293 | return r; | |
294 | } | |
295 | ||
296 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
297 | log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); | |
298 | return -ERANGE; | |
299 | } | |
300 | ||
fb33a393 LP |
301 | c->nice = priority; |
302 | c->nice_set = false; | |
303 | ||
034c6ed7 LP |
304 | return 0; |
305 | } | |
306 | ||
307 | static int config_parse_oom_adjust( | |
308 | const char *filename, | |
309 | unsigned line, | |
310 | const char *section, | |
311 | const char *lvalue, | |
312 | const char *rvalue, | |
313 | void *data, | |
314 | void *userdata) { | |
315 | ||
fb33a393 LP |
316 | ExecContext *c = data; |
317 | int oa, r; | |
034c6ed7 LP |
318 | |
319 | assert(filename); | |
320 | assert(lvalue); | |
321 | assert(rvalue); | |
322 | assert(data); | |
323 | ||
324 | if ((r = safe_atoi(rvalue, &oa)) < 0) { | |
325 | log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); | |
326 | return r; | |
327 | } | |
328 | ||
329 | if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { | |
330 | log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); | |
331 | return -ERANGE; | |
332 | } | |
333 | ||
fb33a393 LP |
334 | c->oom_adjust = oa; |
335 | c->oom_adjust_set = true; | |
336 | ||
034c6ed7 LP |
337 | return 0; |
338 | } | |
339 | ||
b5a0699f | 340 | static int config_parse_mode( |
034c6ed7 LP |
341 | const char *filename, |
342 | unsigned line, | |
343 | const char *section, | |
344 | const char *lvalue, | |
345 | const char *rvalue, | |
346 | void *data, | |
347 | void *userdata) { | |
348 | ||
349 | mode_t *m = data; | |
350 | long l; | |
351 | char *x = NULL; | |
352 | ||
353 | assert(filename); | |
354 | assert(lvalue); | |
355 | assert(rvalue); | |
356 | assert(data); | |
357 | ||
358 | errno = 0; | |
359 | l = strtol(rvalue, &x, 8); | |
360 | if (!x || *x || errno) { | |
b5a0699f | 361 | log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); |
034c6ed7 LP |
362 | return errno ? -errno : -EINVAL; |
363 | } | |
364 | ||
b5a0699f LP |
365 | if (l < 0000 || l > 07777) { |
366 | log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); | |
034c6ed7 LP |
367 | return -ERANGE; |
368 | } | |
369 | ||
370 | *m = (mode_t) l; | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static int config_parse_exec( | |
375 | const char *filename, | |
376 | unsigned line, | |
377 | const char *section, | |
378 | const char *lvalue, | |
379 | const char *rvalue, | |
380 | void *data, | |
381 | void *userdata) { | |
382 | ||
a6a80b4f | 383 | ExecCommand **e = data, *nce = NULL; |
034c6ed7 LP |
384 | char **n; |
385 | char *w; | |
386 | unsigned k; | |
387 | size_t l; | |
388 | char *state; | |
389 | ||
390 | assert(filename); | |
391 | assert(lvalue); | |
392 | assert(rvalue); | |
393 | assert(data); | |
394 | ||
395 | k = 0; | |
396 | FOREACH_WORD_QUOTED(w, l, rvalue, state) | |
397 | k++; | |
398 | ||
399 | if (!(n = new(char*, k+1))) | |
400 | return -ENOMEM; | |
401 | ||
44d8db9e | 402 | k = 0; |
034c6ed7 LP |
403 | FOREACH_WORD_QUOTED(w, l, rvalue, state) |
404 | if (!(n[k++] = strndup(w, l))) | |
405 | goto fail; | |
406 | ||
407 | n[k] = NULL; | |
408 | ||
0301abf4 | 409 | if (!n[0] || !path_is_absolute(n[0])) { |
034c6ed7 LP |
410 | log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); |
411 | strv_free(n); | |
412 | return -EINVAL; | |
413 | } | |
414 | ||
415 | if (!(nce = new0(ExecCommand, 1))) | |
416 | goto fail; | |
417 | ||
418 | nce->argv = n; | |
419 | if (!(nce->path = strdup(n[0]))) | |
420 | goto fail; | |
421 | ||
a6a80b4f | 422 | exec_command_append_list(e, nce); |
034c6ed7 LP |
423 | |
424 | return 0; | |
425 | ||
426 | fail: | |
427 | for (; k > 0; k--) | |
428 | free(n[k-1]); | |
429 | free(n); | |
430 | ||
431 | free(nce); | |
432 | ||
433 | return -ENOMEM; | |
434 | } | |
435 | ||
436 | static int config_parse_usec( | |
437 | const char *filename, | |
438 | unsigned line, | |
439 | const char *section, | |
440 | const char *lvalue, | |
441 | const char *rvalue, | |
442 | void *data, | |
443 | void *userdata) { | |
444 | ||
445 | usec_t *usec = data; | |
034c6ed7 LP |
446 | int r; |
447 | ||
448 | assert(filename); | |
449 | assert(lvalue); | |
450 | assert(rvalue); | |
451 | assert(data); | |
452 | ||
24a6e4a4 | 453 | if ((r = parse_usec(rvalue, usec)) < 0) { |
034c6ed7 LP |
454 | log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); |
455 | return r; | |
456 | } | |
457 | ||
034c6ed7 LP |
458 | return 0; |
459 | } | |
460 | ||
0d87eb42 LP |
461 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); |
462 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); | |
034c6ed7 | 463 | |
47be870b | 464 | static int config_parse_bindtodevice( |
acbb0225 LP |
465 | const char *filename, |
466 | unsigned line, | |
467 | const char *section, | |
468 | const char *lvalue, | |
469 | const char *rvalue, | |
470 | void *data, | |
471 | void *userdata) { | |
472 | ||
473 | Socket *s = data; | |
474 | char *n; | |
475 | ||
476 | assert(filename); | |
477 | assert(lvalue); | |
478 | assert(rvalue); | |
479 | assert(data); | |
480 | ||
481 | if (rvalue[0] && !streq(rvalue, "*")) { | |
482 | if (!(n = strdup(rvalue))) | |
483 | return -ENOMEM; | |
484 | } else | |
485 | n = NULL; | |
486 | ||
487 | free(s->bind_to_device); | |
488 | s->bind_to_device = n; | |
489 | ||
490 | return 0; | |
491 | } | |
492 | ||
0d87eb42 LP |
493 | DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); |
494 | DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); | |
87f0e418 | 495 | |
47be870b | 496 | static int config_parse_facility( |
071830ff LP |
497 | const char *filename, |
498 | unsigned line, | |
499 | const char *section, | |
500 | const char *lvalue, | |
501 | const char *rvalue, | |
502 | void *data, | |
503 | void *userdata) { | |
504 | ||
071830ff | 505 | |
94f04347 | 506 | int *o = data, x; |
071830ff LP |
507 | |
508 | assert(filename); | |
509 | assert(lvalue); | |
510 | assert(rvalue); | |
511 | assert(data); | |
512 | ||
0d87eb42 LP |
513 | if ((x = log_facility_from_string(rvalue)) < 0) { |
514 | log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); | |
515 | return -EBADMSG; | |
516 | } | |
94f04347 LP |
517 | |
518 | *o = LOG_MAKEPRI(x, LOG_PRI(*o)); | |
071830ff LP |
519 | |
520 | return 0; | |
521 | } | |
522 | ||
47be870b | 523 | static int config_parse_level( |
071830ff LP |
524 | const char *filename, |
525 | unsigned line, | |
526 | const char *section, | |
527 | const char *lvalue, | |
528 | const char *rvalue, | |
529 | void *data, | |
530 | void *userdata) { | |
531 | ||
071830ff | 532 | |
94f04347 | 533 | int *o = data, x; |
071830ff LP |
534 | |
535 | assert(filename); | |
536 | assert(lvalue); | |
537 | assert(rvalue); | |
538 | assert(data); | |
539 | ||
0d87eb42 LP |
540 | if ((x = log_level_from_string(rvalue)) < 0) { |
541 | log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); | |
542 | return -EBADMSG; | |
543 | } | |
071830ff | 544 | |
94f04347 LP |
545 | *o = LOG_MAKEPRI(LOG_FAC(*o), x); |
546 | return 0; | |
547 | } | |
548 | ||
47be870b | 549 | static int config_parse_io_class( |
94f04347 LP |
550 | const char *filename, |
551 | unsigned line, | |
552 | const char *section, | |
553 | const char *lvalue, | |
554 | const char *rvalue, | |
555 | void *data, | |
556 | void *userdata) { | |
557 | ||
558 | ExecContext *c = data; | |
559 | int x; | |
560 | ||
561 | assert(filename); | |
562 | assert(lvalue); | |
563 | assert(rvalue); | |
564 | assert(data); | |
565 | ||
0d87eb42 LP |
566 | if ((x = ioprio_class_from_string(rvalue)) < 0) { |
567 | log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); | |
568 | return -EBADMSG; | |
569 | } | |
94f04347 LP |
570 | |
571 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
572 | c->ioprio_set = true; | |
573 | ||
574 | return 0; | |
575 | } | |
576 | ||
47be870b | 577 | static int config_parse_io_priority( |
94f04347 LP |
578 | const char *filename, |
579 | unsigned line, | |
580 | const char *section, | |
581 | const char *lvalue, | |
582 | const char *rvalue, | |
583 | void *data, | |
584 | void *userdata) { | |
585 | ||
586 | ExecContext *c = data; | |
587 | int i; | |
588 | ||
589 | assert(filename); | |
590 | assert(lvalue); | |
591 | assert(rvalue); | |
592 | assert(data); | |
593 | ||
594 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
595 | log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue); | |
596 | return -EBADMSG; | |
071830ff LP |
597 | } |
598 | ||
94f04347 LP |
599 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
600 | c->ioprio_set = true; | |
601 | ||
071830ff LP |
602 | return 0; |
603 | } | |
604 | ||
47be870b | 605 | static int config_parse_cpu_sched_policy( |
9eba9da4 LP |
606 | const char *filename, |
607 | unsigned line, | |
608 | const char *section, | |
609 | const char *lvalue, | |
610 | const char *rvalue, | |
611 | void *data, | |
612 | void *userdata) { | |
613 | ||
94f04347 LP |
614 | |
615 | ExecContext *c = data; | |
616 | int x; | |
617 | ||
618 | assert(filename); | |
619 | assert(lvalue); | |
620 | assert(rvalue); | |
621 | assert(data); | |
622 | ||
0d87eb42 LP |
623 | if ((x = sched_policy_from_string(rvalue)) < 0) { |
624 | log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); | |
625 | return -EBADMSG; | |
626 | } | |
94f04347 LP |
627 | |
628 | c->cpu_sched_policy = x; | |
629 | c->cpu_sched_set = true; | |
630 | ||
631 | return 0; | |
632 | } | |
633 | ||
47be870b | 634 | static int config_parse_cpu_sched_prio( |
94f04347 LP |
635 | const char *filename, |
636 | unsigned line, | |
637 | const char *section, | |
638 | const char *lvalue, | |
639 | const char *rvalue, | |
640 | void *data, | |
641 | void *userdata) { | |
9eba9da4 LP |
642 | |
643 | ExecContext *c = data; | |
644 | int i; | |
645 | ||
646 | assert(filename); | |
647 | assert(lvalue); | |
648 | assert(rvalue); | |
649 | assert(data); | |
650 | ||
94f04347 LP |
651 | /* On Linux RR/FIFO have the same range */ |
652 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
653 | log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue); | |
654 | return -EBADMSG; | |
655 | } | |
9eba9da4 | 656 | |
94f04347 LP |
657 | c->cpu_sched_priority = i; |
658 | c->cpu_sched_set = true; | |
659 | ||
660 | return 0; | |
661 | } | |
662 | ||
47be870b | 663 | static int config_parse_cpu_affinity( |
94f04347 LP |
664 | const char *filename, |
665 | unsigned line, | |
666 | const char *section, | |
667 | const char *lvalue, | |
668 | const char *rvalue, | |
669 | void *data, | |
670 | void *userdata) { | |
671 | ||
672 | ExecContext *c = data; | |
673 | char *w; | |
674 | size_t l; | |
675 | char *state; | |
676 | ||
677 | assert(filename); | |
678 | assert(lvalue); | |
679 | assert(rvalue); | |
680 | assert(data); | |
681 | ||
f62c0e4f | 682 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
683 | char *t; |
684 | int r; | |
685 | unsigned cpu; | |
686 | ||
687 | if (!(t = strndup(w, l))) | |
688 | return -ENOMEM; | |
689 | ||
690 | r = safe_atou(t, &cpu); | |
691 | free(t); | |
692 | ||
693 | if (r < 0 || cpu >= CPU_SETSIZE) { | |
694 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
695 | return -EBADMSG; | |
9eba9da4 | 696 | } |
94f04347 LP |
697 | |
698 | CPU_SET(cpu, &c->cpu_affinity); | |
9eba9da4 LP |
699 | } |
700 | ||
94f04347 | 701 | c->cpu_affinity_set = true; |
9eba9da4 | 702 | |
94f04347 LP |
703 | return 0; |
704 | } | |
705 | ||
47be870b | 706 | static int config_parse_capabilities( |
94f04347 LP |
707 | const char *filename, |
708 | unsigned line, | |
709 | const char *section, | |
710 | const char *lvalue, | |
711 | const char *rvalue, | |
712 | void *data, | |
713 | void *userdata) { | |
714 | ||
715 | ExecContext *c = data; | |
716 | cap_t cap; | |
717 | ||
718 | assert(filename); | |
719 | assert(lvalue); | |
720 | assert(rvalue); | |
721 | assert(data); | |
722 | ||
723 | if (!(cap = cap_from_text(rvalue))) { | |
724 | if (errno == ENOMEM) | |
725 | return -ENOMEM; | |
726 | ||
727 | log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue); | |
728 | return -EBADMSG; | |
729 | } | |
730 | ||
731 | if (c->capabilities) | |
732 | cap_free(c->capabilities); | |
733 | c->capabilities = cap; | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
47be870b | 738 | static int config_parse_secure_bits( |
94f04347 LP |
739 | const char *filename, |
740 | unsigned line, | |
741 | const char *section, | |
742 | const char *lvalue, | |
743 | const char *rvalue, | |
744 | void *data, | |
745 | void *userdata) { | |
746 | ||
747 | ExecContext *c = data; | |
748 | char *w; | |
749 | size_t l; | |
750 | char *state; | |
751 | ||
752 | assert(filename); | |
753 | assert(lvalue); | |
754 | assert(rvalue); | |
755 | assert(data); | |
756 | ||
f62c0e4f | 757 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
758 | if (first_word(w, "keep-caps")) |
759 | c->secure_bits |= SECURE_KEEP_CAPS; | |
760 | else if (first_word(w, "keep-caps-locked")) | |
761 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
762 | else if (first_word(w, "no-setuid-fixup")) | |
763 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
764 | else if (first_word(w, "no-setuid-fixup-locked")) | |
765 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
766 | else if (first_word(w, "noroot")) | |
767 | c->secure_bits |= SECURE_NOROOT; | |
768 | else if (first_word(w, "noroot-locked")) | |
769 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
9eba9da4 | 770 | else { |
94f04347 | 771 | log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue); |
9eba9da4 LP |
772 | return -EBADMSG; |
773 | } | |
774 | } | |
775 | ||
94f04347 LP |
776 | return 0; |
777 | } | |
778 | ||
47be870b | 779 | static int config_parse_bounding_set( |
94f04347 LP |
780 | const char *filename, |
781 | unsigned line, | |
782 | const char *section, | |
783 | const char *lvalue, | |
784 | const char *rvalue, | |
785 | void *data, | |
786 | void *userdata) { | |
787 | ||
788 | ExecContext *c = data; | |
789 | char *w; | |
790 | size_t l; | |
791 | char *state; | |
792 | ||
793 | assert(filename); | |
794 | assert(lvalue); | |
795 | assert(rvalue); | |
796 | assert(data); | |
797 | ||
f62c0e4f | 798 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
799 | char *t; |
800 | int r; | |
801 | cap_value_t cap; | |
802 | ||
803 | if (!(t = strndup(w, l))) | |
804 | return -ENOMEM; | |
805 | ||
806 | r = cap_from_name(t, &cap); | |
807 | free(t); | |
808 | ||
809 | if (r < 0) { | |
810 | log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue); | |
811 | return -EBADMSG; | |
812 | } | |
813 | ||
814 | c->capability_bounding_set_drop |= 1 << cap; | |
815 | } | |
9eba9da4 LP |
816 | |
817 | return 0; | |
818 | } | |
819 | ||
94f04347 | 820 | static int config_parse_timer_slack_ns( |
9eba9da4 LP |
821 | const char *filename, |
822 | unsigned line, | |
823 | const char *section, | |
824 | const char *lvalue, | |
825 | const char *rvalue, | |
826 | void *data, | |
827 | void *userdata) { | |
828 | ||
829 | ExecContext *c = data; | |
94f04347 LP |
830 | unsigned long u; |
831 | int r; | |
9eba9da4 LP |
832 | |
833 | assert(filename); | |
834 | assert(lvalue); | |
835 | assert(rvalue); | |
836 | assert(data); | |
837 | ||
94f04347 LP |
838 | if ((r = safe_atolu(rvalue, &u)) < 0) { |
839 | log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); | |
840 | return r; | |
9eba9da4 LP |
841 | } |
842 | ||
94f04347 LP |
843 | c->timer_slack_ns = u; |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
848 | static int config_parse_limit( | |
849 | const char *filename, | |
850 | unsigned line, | |
851 | const char *section, | |
852 | const char *lvalue, | |
853 | const char *rvalue, | |
854 | void *data, | |
855 | void *userdata) { | |
856 | ||
857 | struct rlimit **rl = data; | |
858 | unsigned long long u; | |
859 | int r; | |
860 | ||
861 | assert(filename); | |
862 | assert(lvalue); | |
863 | assert(rvalue); | |
864 | assert(data); | |
865 | ||
866 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
867 | log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); | |
868 | return r; | |
869 | } | |
870 | ||
871 | if (!*rl) | |
872 | if (!(*rl = new(struct rlimit, 1))) | |
873 | return -ENOMEM; | |
9eba9da4 | 874 | |
94f04347 | 875 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
876 | return 0; |
877 | } | |
878 | ||
8e274523 LP |
879 | static int config_parse_cgroup( |
880 | const char *filename, | |
881 | unsigned line, | |
882 | const char *section, | |
883 | const char *lvalue, | |
884 | const char *rvalue, | |
885 | void *data, | |
886 | void *userdata) { | |
887 | ||
888 | Unit *u = userdata; | |
889 | char *w; | |
890 | size_t l; | |
891 | char *state; | |
892 | ||
893 | FOREACH_WORD(w, l, rvalue, state) { | |
894 | char *t; | |
895 | int r; | |
896 | ||
897 | if (!(t = strndup(w, l))) | |
898 | return -ENOMEM; | |
899 | ||
900 | r = unit_add_cgroup_from_text(u, t); | |
901 | free(t); | |
902 | ||
903 | if (r < 0) | |
904 | return r; | |
905 | } | |
906 | ||
907 | return 0; | |
908 | } | |
909 | ||
a9a1e00a LP |
910 | static int config_parse_sysv_priority( |
911 | const char *filename, | |
912 | unsigned line, | |
913 | const char *section, | |
914 | const char *lvalue, | |
915 | const char *rvalue, | |
916 | void *data, | |
917 | void *userdata) { | |
918 | ||
919 | int *priority = data; | |
920 | int r, i; | |
921 | ||
922 | assert(filename); | |
923 | assert(lvalue); | |
924 | assert(rvalue); | |
925 | assert(data); | |
926 | ||
927 | if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) { | |
928 | log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue); | |
929 | return r; | |
930 | } | |
931 | ||
932 | *priority = (int) i; | |
933 | return 0; | |
934 | } | |
935 | ||
0d87eb42 | 936 | DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); |
50159e6a | 937 | |
15ae422b LP |
938 | static int config_parse_mount_flags( |
939 | const char *filename, | |
940 | unsigned line, | |
941 | const char *section, | |
942 | const char *lvalue, | |
943 | const char *rvalue, | |
944 | void *data, | |
945 | void *userdata) { | |
946 | ||
947 | ExecContext *c = data; | |
948 | char *w; | |
949 | size_t l; | |
950 | char *state; | |
951 | unsigned long flags = 0; | |
952 | ||
953 | assert(filename); | |
954 | assert(lvalue); | |
955 | assert(rvalue); | |
956 | assert(data); | |
957 | ||
958 | FOREACH_WORD(w, l, rvalue, state) { | |
959 | if (strncmp(w, "shared", l) == 0) | |
960 | flags |= MS_SHARED; | |
961 | else if (strncmp(w, "slave", l) == 0) | |
962 | flags |= MS_SLAVE; | |
963 | else if (strncmp(w, "private", l) == 0) | |
964 | flags |= MS_PRIVATE; | |
965 | else { | |
966 | log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue); | |
967 | return -EINVAL; | |
968 | } | |
969 | } | |
970 | ||
971 | c->mount_flags = flags; | |
972 | return 0; | |
973 | } | |
974 | ||
071830ff | 975 | #define FOLLOW_MAX 8 |
87f0e418 | 976 | |
9e2f7c11 | 977 | static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { |
0301abf4 | 978 | unsigned c = 0; |
87f0e418 LP |
979 | int fd, r; |
980 | FILE *f; | |
0301abf4 | 981 | char *id = NULL; |
87f0e418 LP |
982 | |
983 | assert(filename); | |
984 | assert(*filename); | |
985 | assert(_f); | |
986 | assert(names); | |
987 | ||
0301abf4 LP |
988 | /* This will update the filename pointer if the loaded file is |
989 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 990 | |
0301abf4 | 991 | for (;;) { |
87f0e418 LP |
992 | char *target, *k, *name; |
993 | ||
0301abf4 LP |
994 | if (c++ >= FOLLOW_MAX) |
995 | return -ELOOP; | |
996 | ||
b08d03ff LP |
997 | path_kill_slashes(*filename); |
998 | ||
87f0e418 LP |
999 | /* Add the file name we are currently looking at to |
1000 | * the names of this unit */ | |
0301abf4 LP |
1001 | name = file_name_from_path(*filename); |
1002 | if (!(id = set_get(names, name))) { | |
87f0e418 | 1003 | |
0301abf4 LP |
1004 | if (!(id = strdup(name))) |
1005 | return -ENOMEM; | |
87f0e418 | 1006 | |
0301abf4 LP |
1007 | if ((r = set_put(names, id)) < 0) { |
1008 | free(id); | |
1009 | return r; | |
87f0e418 | 1010 | } |
87f0e418 LP |
1011 | } |
1012 | ||
0301abf4 LP |
1013 | /* Try to open the file name, but don't if its a symlink */ |
1014 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
87f0e418 LP |
1015 | break; |
1016 | ||
0301abf4 LP |
1017 | if (errno != ELOOP) |
1018 | return -errno; | |
1019 | ||
87f0e418 | 1020 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
0301abf4 LP |
1021 | if ((r = readlink_malloc(*filename, &target)) < 0) |
1022 | return r; | |
87f0e418 | 1023 | |
c25fb0ed | 1024 | k = file_in_same_dir(*filename, target); |
87f0e418 LP |
1025 | free(target); |
1026 | ||
0301abf4 LP |
1027 | if (!k) |
1028 | return -ENOMEM; | |
87f0e418 | 1029 | |
0301abf4 LP |
1030 | free(*filename); |
1031 | *filename = k; | |
87f0e418 LP |
1032 | } |
1033 | ||
1034 | if (!(f = fdopen(fd, "r"))) { | |
1035 | r = -errno; | |
9e2f7c11 | 1036 | close_nointr_nofail(fd); |
0301abf4 | 1037 | return r; |
87f0e418 LP |
1038 | } |
1039 | ||
1040 | *_f = f; | |
9e2f7c11 | 1041 | *_final = id; |
0301abf4 | 1042 | return 0; |
87f0e418 LP |
1043 | } |
1044 | ||
23a177ef LP |
1045 | static int merge_by_names(Unit **u, Set *names, const char *id) { |
1046 | char *k; | |
1047 | int r; | |
1048 | ||
1049 | assert(u); | |
1050 | assert(*u); | |
1051 | assert(names); | |
1052 | ||
1053 | /* Let's try to add in all symlink names we found */ | |
1054 | while ((k = set_steal_first(names))) { | |
1055 | ||
1056 | /* First try to merge in the other name into our | |
1057 | * unit */ | |
1058 | if ((r = unit_merge_by_name(*u, k)) < 0) { | |
1059 | Unit *other; | |
1060 | ||
1061 | /* Hmm, we couldn't merge the other unit into | |
1062 | * ours? Then let's try it the other way | |
1063 | * round */ | |
1064 | ||
1065 | other = manager_get_unit((*u)->meta.manager, k); | |
1066 | free(k); | |
1067 | ||
1068 | if (other) | |
1069 | if ((r = unit_merge(other, *u)) >= 0) { | |
1070 | *u = other; | |
1071 | return merge_by_names(u, names, NULL); | |
1072 | } | |
1073 | ||
1074 | return r; | |
1075 | } | |
1076 | ||
1077 | if (id == k) | |
1078 | unit_choose_id(*u, id); | |
1079 | ||
1080 | free(k); | |
1081 | } | |
1082 | ||
1083 | return 0; | |
1084 | } | |
1085 | ||
e537352b LP |
1086 | static void dump_items(FILE *f, const ConfigItem *items) { |
1087 | const ConfigItem *i; | |
1088 | const char *prev_section = NULL; | |
1089 | bool not_first = false; | |
1090 | ||
1091 | struct { | |
1092 | ConfigParserCallback callback; | |
1093 | const char *rvalue; | |
1094 | } table[] = { | |
1095 | { config_parse_int, "INTEGER" }, | |
1096 | { config_parse_unsigned, "UNSIGNED" }, | |
1097 | { config_parse_size, "SIZE" }, | |
1098 | { config_parse_bool, "BOOLEAN" }, | |
1099 | { config_parse_string, "STRING" }, | |
1100 | { config_parse_path, "PATH" }, | |
1101 | { config_parse_strv, "STRING [...]" }, | |
1102 | { config_parse_nice, "NICE" }, | |
1103 | { config_parse_oom_adjust, "OOMADJUST" }, | |
1104 | { config_parse_io_class, "IOCLASS" }, | |
1105 | { config_parse_io_priority, "IOPRIORITY" }, | |
1106 | { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
1107 | { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
1108 | { config_parse_cpu_affinity, "CPUAFFINITY" }, | |
1109 | { config_parse_mode, "MODE" }, | |
1110 | { config_parse_output, "OUTPUT" }, | |
1111 | { config_parse_input, "INPUT" }, | |
1112 | { config_parse_facility, "FACILITY" }, | |
1113 | { config_parse_level, "LEVEL" }, | |
1114 | { config_parse_capabilities, "CAPABILITIES" }, | |
1115 | { config_parse_secure_bits, "SECUREBITS" }, | |
1116 | { config_parse_bounding_set, "BOUNDINGSET" }, | |
1117 | { config_parse_timer_slack_ns, "TIMERSLACK" }, | |
1118 | { config_parse_limit, "LIMIT" }, | |
1119 | { config_parse_cgroup, "CGROUP [...]" }, | |
1120 | { config_parse_deps, "UNIT [...]" }, | |
1121 | { config_parse_names, "UNIT [...]" }, | |
1122 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, | |
1123 | { config_parse_service_type, "SERVICETYPE" }, | |
1124 | { config_parse_service_restart, "SERVICERESTART" }, | |
1125 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
1126 | { config_parse_kill_mode, "KILLMODE" }, | |
1127 | { config_parse_listen, "SOCKET [...]" }, | |
1128 | { config_parse_socket_bind, "SOCKETBIND" }, | |
93ef5e80 LP |
1129 | { config_parse_bindtodevice, "NETWORKINTERFACE" }, |
1130 | { config_parse_usec, "SECONDS" }, | |
1131 | { config_parse_path_strv, "PATH [...]" }, | |
932921b5 LP |
1132 | { config_parse_mount_flags, "MOUNTFLAG [...]" }, |
1133 | { config_parse_description, "DESCRIPTION" }, | |
e537352b LP |
1134 | }; |
1135 | ||
1136 | assert(f); | |
1137 | assert(items); | |
1138 | ||
1139 | for (i = items; i->lvalue; i++) { | |
1140 | unsigned j; | |
1141 | const char *rvalue = "OTHER"; | |
1142 | ||
1143 | if (!streq_ptr(i->section, prev_section)) { | |
1144 | if (!not_first) | |
1145 | not_first = true; | |
1146 | else | |
1147 | fputc('\n', f); | |
1148 | ||
1149 | fprintf(f, "[%s]\n", i->section); | |
1150 | prev_section = i->section; | |
1151 | } | |
1152 | ||
1153 | for (j = 0; j < ELEMENTSOF(table); j++) | |
1154 | if (i->parse == table[j].callback) { | |
1155 | rvalue = table[j].rvalue; | |
1156 | break; | |
1157 | } | |
1158 | ||
1159 | fprintf(f, "%s=%s\n", i->lvalue, rvalue); | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | static int load_from_path(Unit *u, const char *path) { | |
87f0e418 LP |
1164 | |
1165 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1166 | [UNIT_SERVICE] = "Service", | |
1167 | [UNIT_TIMER] = "Timer", | |
1168 | [UNIT_SOCKET] = "Socket", | |
1169 | [UNIT_TARGET] = "Target", | |
1170 | [UNIT_DEVICE] = "Device", | |
1171 | [UNIT_MOUNT] = "Mount", | |
1172 | [UNIT_AUTOMOUNT] = "Automount", | |
1173 | [UNIT_SNAPSHOT] = "Snapshot" | |
42f4e3c4 LP |
1174 | }; |
1175 | ||
034c6ed7 | 1176 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ |
9eba9da4 LP |
1177 | { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ |
1178 | { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ | |
1c01f82b LP |
1179 | { "User", config_parse_string, &(context).user, section }, \ |
1180 | { "Group", config_parse_string, &(context).group, section }, \ | |
1181 | { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ | |
fb33a393 LP |
1182 | { "Nice", config_parse_nice, &(context), section }, \ |
1183 | { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ | |
9eba9da4 | 1184 | { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ |
94f04347 LP |
1185 | { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ |
1186 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ | |
1187 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ | |
38b48754 | 1188 | { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ |
94f04347 | 1189 | { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ |
b5a0699f | 1190 | { "UMask", config_parse_mode, &(context).umask, section }, \ |
071830ff | 1191 | { "Environment", config_parse_strv, &(context).environment, section }, \ |
80876c20 LP |
1192 | { "StandardInput", config_parse_input, &(context).std_input, section }, \ |
1193 | { "StandardOutput", config_parse_output, &(context).std_output, section }, \ | |
1194 | { "StandardError", config_parse_output, &(context).std_output, section }, \ | |
1195 | { "TTYPath", config_parse_path, &(context).tty_path, section }, \ | |
071830ff LP |
1196 | { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \ |
1197 | { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ | |
94f04347 LP |
1198 | { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ |
1199 | { "Capabilities", config_parse_capabilities, &(context), section }, \ | |
1200 | { "SecureBits", config_parse_secure_bits, &(context), section }, \ | |
1201 | { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ | |
1202 | { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ | |
1203 | { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1204 | { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1205 | { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1206 | { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1207 | { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1208 | { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1209 | { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1210 | { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ | |
1211 | { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1212 | { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1213 | { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1214 | { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1215 | { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1216 | { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1217 | { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
451a074f | 1218 | { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \ |
15ae422b LP |
1219 | { "ControlGroup", config_parse_cgroup, u, section }, \ |
1220 | { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \ | |
1221 | { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \ | |
1222 | { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \ | |
1223 | { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \ | |
1224 | { "MountFlags", config_parse_mount_flags, &(context), section } | |
034c6ed7 | 1225 | |
3efd4195 | 1226 | const ConfigItem items[] = { |
09477267 | 1227 | { "Names", config_parse_names, u, "Unit" }, |
932921b5 | 1228 | { "Description", config_parse_description, u, "Unit" }, |
09477267 LP |
1229 | { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" }, |
1230 | { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" }, | |
1231 | { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" }, | |
1232 | { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" }, | |
1233 | { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" }, | |
1234 | { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" }, | |
1235 | { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, | |
1236 | { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" }, | |
1237 | { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" }, | |
1238 | { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, | |
1c01f82b LP |
1239 | |
1240 | { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, | |
1241 | { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1242 | { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1243 | { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1244 | { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1245 | { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1246 | { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1247 | { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, | |
1248 | { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, | |
0d87eb42 LP |
1249 | { "Type", config_parse_service_type, &u->service.type, "Service" }, |
1250 | { "Restart", config_parse_service_restart, &u->service.restart, "Service" }, | |
81a2b7ce LP |
1251 | { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, |
1252 | { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, | |
8e274523 | 1253 | { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, |
a9a1e00a | 1254 | { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, |
50159e6a | 1255 | { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, |
b778d555 | 1256 | { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, |
05e343b7 | 1257 | { "BusName", config_parse_string, &u->service.bus_name, "Service" }, |
87f0e418 LP |
1258 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), |
1259 | ||
1c01f82b LP |
1260 | { "ListenStream", config_parse_listen, &u->socket, "Socket" }, |
1261 | { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, | |
1262 | { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, | |
1263 | { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, | |
1264 | { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, | |
1265 | { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, | |
acbb0225 | 1266 | { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, |
1c01f82b LP |
1267 | { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, |
1268 | { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1269 | { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
1270 | { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
108736d0 | 1271 | { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, |
b5a0699f LP |
1272 | { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, |
1273 | { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, | |
50159e6a | 1274 | { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, |
4f2d528d | 1275 | { "Accept", config_parse_bool, &u->socket.accept, "Socket" }, |
87f0e418 LP |
1276 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), |
1277 | ||
e537352b LP |
1278 | { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, |
1279 | { "Where", config_parse_path, &u->mount.where, "Mount" }, | |
1280 | { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, | |
1281 | { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, | |
1282 | { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, | |
1283 | { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, | |
1284 | EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), | |
034c6ed7 | 1285 | |
8d567588 LP |
1286 | { "Where", config_parse_path, &u->automount.where, "Automount" }, |
1287 | ||
3efd4195 LP |
1288 | { NULL, NULL, NULL, NULL } |
1289 | }; | |
1290 | ||
034c6ed7 | 1291 | #undef EXEC_CONTEXT_CONFIG_ITEMS |
42f4e3c4 | 1292 | |
42f4e3c4 | 1293 | const char *sections[3]; |
0301abf4 LP |
1294 | char *k; |
1295 | int r; | |
87f0e418 | 1296 | Set *symlink_names; |
23a177ef LP |
1297 | FILE *f = NULL; |
1298 | char *filename = NULL, *id = NULL; | |
1299 | Unit *merged; | |
1300 | ||
e537352b LP |
1301 | if (!u) { |
1302 | /* Dirty dirty hack. */ | |
1303 | dump_items((FILE*) path, items); | |
1304 | return 0; | |
1305 | } | |
1306 | ||
23a177ef | 1307 | assert(u); |
e537352b | 1308 | assert(path); |
3efd4195 | 1309 | |
09477267 | 1310 | sections[0] = "Unit"; |
87f0e418 | 1311 | sections[1] = section_table[u->meta.type]; |
42f4e3c4 LP |
1312 | sections[2] = NULL; |
1313 | ||
87f0e418 LP |
1314 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) |
1315 | return -ENOMEM; | |
3efd4195 | 1316 | |
036643a2 LP |
1317 | if (path_is_absolute(path)) { |
1318 | ||
1319 | if (!(filename = strdup(path))) { | |
1320 | r = -ENOMEM; | |
1321 | goto finish; | |
1322 | } | |
1323 | ||
1324 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1325 | free(filename); | |
1326 | filename = NULL; | |
1327 | ||
1328 | if (r != -ENOENT) | |
1329 | goto finish; | |
1330 | } | |
1331 | ||
1332 | } else { | |
1333 | char **p; | |
1334 | ||
1335 | STRV_FOREACH(p, u->meta.manager->unit_path) { | |
1336 | ||
1337 | /* Instead of opening the path right away, we manually | |
1338 | * follow all symlinks and add their name to our unit | |
1339 | * name set while doing so */ | |
1340 | if (!(filename = path_make_absolute(path, *p))) { | |
1341 | r = -ENOMEM; | |
1342 | goto finish; | |
1343 | } | |
1344 | ||
1345 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1346 | char *sn; | |
1347 | ||
1348 | free(filename); | |
1349 | filename = NULL; | |
1350 | ||
1351 | if (r != -ENOENT) | |
1352 | goto finish; | |
1353 | ||
1354 | /* Empty the symlink names for the next run */ | |
1355 | while ((sn = set_steal_first(symlink_names))) | |
1356 | free(sn); | |
3efd4195 | 1357 | |
036643a2 LP |
1358 | continue; |
1359 | } | |
1360 | ||
1361 | break; | |
1362 | } | |
1363 | } | |
034c6ed7 | 1364 | |
036643a2 | 1365 | if (!filename) { |
23a177ef | 1366 | r = 0; |
0301abf4 LP |
1367 | goto finish; |
1368 | } | |
87f0e418 | 1369 | |
23a177ef LP |
1370 | merged = u; |
1371 | if ((r = merge_by_names(&merged, symlink_names, id)) < 0) | |
0301abf4 | 1372 | goto finish; |
87f0e418 | 1373 | |
23a177ef | 1374 | if (merged != u) { |
e537352b | 1375 | u->meta.load_state = UNIT_MERGED; |
23a177ef LP |
1376 | r = 0; |
1377 | goto finish; | |
034c6ed7 LP |
1378 | } |
1379 | ||
23a177ef LP |
1380 | /* Now, parse the file contents */ |
1381 | if ((r = config_parse(filename, f, sections, items, u)) < 0) | |
1382 | goto finish; | |
b08d03ff | 1383 | |
6be1e7d5 LP |
1384 | free(u->meta.fragment_path); |
1385 | u->meta.fragment_path = filename; | |
0301abf4 | 1386 | filename = NULL; |
87f0e418 | 1387 | |
e537352b | 1388 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 1389 | r = 0; |
87f0e418 LP |
1390 | |
1391 | finish: | |
1392 | while ((k = set_steal_first(symlink_names))) | |
1393 | free(k); | |
23a177ef | 1394 | |
87f0e418 | 1395 | set_free(symlink_names); |
0301abf4 LP |
1396 | free(filename); |
1397 | ||
23a177ef LP |
1398 | if (f) |
1399 | fclose(f); | |
1400 | ||
0301abf4 LP |
1401 | return r; |
1402 | } | |
1403 | ||
e537352b | 1404 | int unit_load_fragment(Unit *u) { |
23a177ef | 1405 | int r; |
0301abf4 LP |
1406 | |
1407 | assert(u); | |
23a177ef LP |
1408 | |
1409 | if (u->meta.fragment_path) { | |
1410 | ||
e537352b | 1411 | if ((r = load_from_path(u, u->meta.fragment_path)) < 0) |
23a177ef | 1412 | return r; |
0301abf4 | 1413 | |
23a177ef | 1414 | } else { |
0301abf4 | 1415 | Iterator i; |
890f434c | 1416 | const char *t; |
0301abf4 | 1417 | |
890f434c | 1418 | /* Try to find the unit under its id */ |
9e2f7c11 LP |
1419 | if ((r = load_from_path(u, u->meta.id)) < 0) |
1420 | return r; | |
890f434c LP |
1421 | |
1422 | /* Try to find an alias we can load this with */ | |
e537352b | 1423 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1424 | SET_FOREACH(t, u->meta.names, i) { |
87f0e418 | 1425 | |
9e2f7c11 | 1426 | if (t == u->meta.id) |
23a177ef | 1427 | continue; |
071830ff | 1428 | |
e537352b | 1429 | if ((r = load_from_path(u, t)) < 0) |
23a177ef | 1430 | return r; |
890f434c | 1431 | |
e537352b | 1432 | if (u->meta.load_state != UNIT_STUB) |
23a177ef LP |
1433 | break; |
1434 | } | |
9e2f7c11 LP |
1435 | |
1436 | /* Now, follow the same logic, but look for a template */ | |
1437 | if (u->meta.load_state == UNIT_STUB && u->meta.instance) { | |
1438 | char *k; | |
1439 | ||
1440 | if (!(k = unit_name_template(u->meta.id))) | |
1441 | return -ENOMEM; | |
1442 | ||
1443 | r = load_from_path(u, k); | |
1444 | free(k); | |
1445 | ||
1446 | if (r < 0) | |
1447 | return r; | |
1448 | ||
1449 | if (u->meta.load_state == UNIT_STUB) | |
1450 | SET_FOREACH(t, u->meta.names, i) { | |
1451 | ||
1452 | if (t == u->meta.id) | |
1453 | continue; | |
1454 | ||
1455 | if (!(k = unit_name_template(t))) | |
1456 | return -ENOMEM; | |
1457 | ||
1458 | r = load_from_path(u, k); | |
1459 | free(k); | |
1460 | ||
1461 | if (r < 0) | |
1462 | return r; | |
1463 | ||
1464 | if (u->meta.load_state != UNIT_STUB) | |
1465 | break; | |
1466 | } | |
1467 | } | |
071830ff LP |
1468 | } |
1469 | ||
23a177ef | 1470 | return 0; |
3efd4195 | 1471 | } |
e537352b LP |
1472 | |
1473 | void unit_dump_config_items(FILE *f) { | |
1474 | /* OK, this wins a prize for extreme ugliness. */ | |
1475 | ||
1476 | load_from_path(NULL, (const void*) f); | |
1477 | } |