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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> |
25e870b5 | 31 | #include <linux/fs.h> |
3efd4195 | 32 | |
87f0e418 | 33 | #include "unit.h" |
3efd4195 LP |
34 | #include "strv.h" |
35 | #include "conf-parser.h" | |
36 | #include "load-fragment.h" | |
16354eff | 37 | #include "log.h" |
9eba9da4 | 38 | #include "ioprio.h" |
94f04347 LP |
39 | #include "securebits.h" |
40 | #include "missing.h" | |
9e2f7c11 | 41 | #include "unit-name.h" |
3efd4195 | 42 | |
0d87eb42 LP |
43 | #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ |
44 | static int function( \ | |
45 | const char *filename, \ | |
46 | unsigned line, \ | |
47 | const char *section, \ | |
48 | const char *lvalue, \ | |
49 | const char *rvalue, \ | |
50 | void *data, \ | |
51 | void *userdata) { \ | |
52 | \ | |
53 | type *i = data, x; \ | |
54 | \ | |
55 | assert(filename); \ | |
56 | assert(lvalue); \ | |
57 | assert(rvalue); \ | |
58 | assert(data); \ | |
59 | \ | |
60 | if ((x = name##_from_string(rvalue)) < 0) { \ | |
61 | log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \ | |
62 | return -EBADMSG; \ | |
63 | } \ | |
64 | \ | |
65 | *i = x; \ | |
66 | \ | |
67 | return 0; \ | |
68 | } | |
69 | ||
42f4e3c4 | 70 | static int config_parse_deps( |
3efd4195 LP |
71 | const char *filename, |
72 | unsigned line, | |
73 | const char *section, | |
74 | const char *lvalue, | |
75 | const char *rvalue, | |
76 | void *data, | |
77 | void *userdata) { | |
78 | ||
87f0e418 LP |
79 | UnitDependency d = PTR_TO_UINT(data); |
80 | Unit *u = userdata; | |
3efd4195 LP |
81 | char *w; |
82 | size_t l; | |
83 | char *state; | |
84 | ||
85 | assert(filename); | |
86 | assert(lvalue); | |
87 | assert(rvalue); | |
3efd4195 | 88 | |
f62c0e4f | 89 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 90 | char *t, *k; |
3efd4195 | 91 | int r; |
3efd4195 LP |
92 | |
93 | if (!(t = strndup(w, l))) | |
94 | return -ENOMEM; | |
95 | ||
9e2f7c11 | 96 | k = unit_name_printf(u, t); |
3efd4195 LP |
97 | free(t); |
98 | ||
9e2f7c11 LP |
99 | if (!k) |
100 | return -ENOMEM; | |
101 | ||
701cc384 | 102 | r = unit_add_dependency_by_name(u, d, k, NULL, true); |
9e2f7c11 LP |
103 | free(k); |
104 | ||
3efd4195 LP |
105 | if (r < 0) |
106 | return r; | |
3efd4195 LP |
107 | } |
108 | ||
109 | return 0; | |
110 | } | |
111 | ||
42f4e3c4 | 112 | static int config_parse_names( |
87d1515d LP |
113 | const char *filename, |
114 | unsigned line, | |
115 | const char *section, | |
116 | const char *lvalue, | |
117 | const char *rvalue, | |
118 | void *data, | |
119 | void *userdata) { | |
120 | ||
87f0e418 | 121 | Unit *u = userdata; |
87d1515d LP |
122 | char *w; |
123 | size_t l; | |
124 | char *state; | |
125 | ||
126 | assert(filename); | |
127 | assert(lvalue); | |
128 | assert(rvalue); | |
129 | assert(data); | |
130 | ||
f62c0e4f | 131 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 132 | char *t, *k; |
87d1515d | 133 | int r; |
87d1515d LP |
134 | |
135 | if (!(t = strndup(w, l))) | |
136 | return -ENOMEM; | |
137 | ||
9e2f7c11 | 138 | k = unit_name_printf(u, t); |
87d1515d | 139 | free(t); |
23a177ef | 140 | |
9e2f7c11 LP |
141 | if (!k) |
142 | return -ENOMEM; | |
143 | ||
144 | r = unit_merge_by_name(u, k); | |
145 | free(k); | |
146 | ||
23a177ef LP |
147 | if (r < 0) |
148 | return r; | |
87d1515d LP |
149 | } |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
932921b5 LP |
154 | static int config_parse_description( |
155 | const char *filename, | |
156 | unsigned line, | |
157 | const char *section, | |
158 | const char *lvalue, | |
159 | const char *rvalue, | |
160 | void *data, | |
161 | void *userdata) { | |
162 | ||
163 | Unit *u = userdata; | |
164 | char *k; | |
165 | ||
166 | assert(filename); | |
167 | assert(lvalue); | |
168 | assert(rvalue); | |
169 | assert(data); | |
170 | ||
171 | if (!(k = unit_full_printf(u, rvalue))) | |
172 | return -ENOMEM; | |
173 | ||
174 | free(u->meta.description); | |
175 | ||
176 | if (*k) | |
177 | u->meta.description = k; | |
178 | else { | |
179 | free(k); | |
180 | u->meta.description = NULL; | |
181 | } | |
182 | ||
183 | return 0; | |
184 | } | |
185 | ||
42f4e3c4 LP |
186 | static int config_parse_listen( |
187 | const char *filename, | |
188 | unsigned line, | |
189 | const char *section, | |
190 | const char *lvalue, | |
191 | const char *rvalue, | |
192 | void *data, | |
193 | void *userdata) { | |
194 | ||
16354eff | 195 | int r; |
542563ba LP |
196 | SocketPort *p; |
197 | Socket *s; | |
16354eff | 198 | |
42f4e3c4 LP |
199 | assert(filename); |
200 | assert(lvalue); | |
201 | assert(rvalue); | |
202 | assert(data); | |
203 | ||
542563ba LP |
204 | s = (Socket*) data; |
205 | ||
206 | if (!(p = new0(SocketPort, 1))) | |
207 | return -ENOMEM; | |
208 | ||
209 | if (streq(lvalue, "ListenFIFO")) { | |
210 | p->type = SOCKET_FIFO; | |
211 | ||
212 | if (!(p->path = strdup(rvalue))) { | |
213 | free(p); | |
214 | return -ENOMEM; | |
215 | } | |
01f78473 LP |
216 | |
217 | path_kill_slashes(p->path); | |
542563ba LP |
218 | } else { |
219 | p->type = SOCKET_SOCKET; | |
220 | ||
221 | if ((r = socket_address_parse(&p->address, rvalue)) < 0) { | |
222 | log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); | |
223 | free(p); | |
224 | return r; | |
225 | } | |
226 | ||
227 | if (streq(lvalue, "ListenStream")) | |
228 | p->address.type = SOCK_STREAM; | |
229 | else if (streq(lvalue, "ListenDatagram")) | |
230 | p->address.type = SOCK_DGRAM; | |
231 | else { | |
232 | assert(streq(lvalue, "ListenSequentialPacket")); | |
233 | p->address.type = SOCK_SEQPACKET; | |
234 | } | |
235 | ||
236 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
237 | free(p); | |
238 | return -EPROTONOSUPPORT; | |
239 | } | |
16354eff LP |
240 | } |
241 | ||
542563ba | 242 | p->fd = -1; |
034c6ed7 | 243 | LIST_PREPEND(SocketPort, port, s->ports, p); |
542563ba | 244 | |
16354eff | 245 | return 0; |
42f4e3c4 LP |
246 | } |
247 | ||
034c6ed7 | 248 | static int config_parse_socket_bind( |
42f4e3c4 LP |
249 | const char *filename, |
250 | unsigned line, | |
251 | const char *section, | |
252 | const char *lvalue, | |
253 | const char *rvalue, | |
254 | void *data, | |
255 | void *userdata) { | |
256 | ||
542563ba | 257 | Socket *s; |
c0120d99 | 258 | SocketAddressBindIPv6Only b; |
42f4e3c4 LP |
259 | |
260 | assert(filename); | |
261 | assert(lvalue); | |
262 | assert(rvalue); | |
263 | assert(data); | |
264 | ||
542563ba LP |
265 | s = (Socket*) data; |
266 | ||
c0120d99 LP |
267 | if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) { |
268 | int r; | |
269 | ||
270 | if ((r = parse_boolean(rvalue)) < 0) { | |
271 | log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); | |
272 | return -EBADMSG; | |
273 | } | |
42f4e3c4 | 274 | |
c0120d99 LP |
275 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
276 | } else | |
277 | s->bind_ipv6_only = b; | |
542563ba | 278 | |
42f4e3c4 LP |
279 | return 0; |
280 | } | |
281 | ||
034c6ed7 LP |
282 | static int config_parse_nice( |
283 | const char *filename, | |
284 | unsigned line, | |
285 | const char *section, | |
286 | const char *lvalue, | |
287 | const char *rvalue, | |
288 | void *data, | |
289 | void *userdata) { | |
290 | ||
fb33a393 LP |
291 | ExecContext *c = data; |
292 | int priority, r; | |
034c6ed7 LP |
293 | |
294 | assert(filename); | |
295 | assert(lvalue); | |
296 | assert(rvalue); | |
297 | assert(data); | |
298 | ||
299 | if ((r = safe_atoi(rvalue, &priority)) < 0) { | |
300 | log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); | |
301 | return r; | |
302 | } | |
303 | ||
304 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
305 | log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); | |
306 | return -ERANGE; | |
307 | } | |
308 | ||
fb33a393 LP |
309 | c->nice = priority; |
310 | c->nice_set = false; | |
311 | ||
034c6ed7 LP |
312 | return 0; |
313 | } | |
314 | ||
315 | static int config_parse_oom_adjust( | |
316 | const char *filename, | |
317 | unsigned line, | |
318 | const char *section, | |
319 | const char *lvalue, | |
320 | const char *rvalue, | |
321 | void *data, | |
322 | void *userdata) { | |
323 | ||
fb33a393 LP |
324 | ExecContext *c = data; |
325 | int oa, r; | |
034c6ed7 LP |
326 | |
327 | assert(filename); | |
328 | assert(lvalue); | |
329 | assert(rvalue); | |
330 | assert(data); | |
331 | ||
332 | if ((r = safe_atoi(rvalue, &oa)) < 0) { | |
333 | log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); | |
334 | return r; | |
335 | } | |
336 | ||
337 | if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { | |
338 | log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); | |
339 | return -ERANGE; | |
340 | } | |
341 | ||
fb33a393 LP |
342 | c->oom_adjust = oa; |
343 | c->oom_adjust_set = true; | |
344 | ||
034c6ed7 LP |
345 | return 0; |
346 | } | |
347 | ||
b5a0699f | 348 | static int config_parse_mode( |
034c6ed7 LP |
349 | const char *filename, |
350 | unsigned line, | |
351 | const char *section, | |
352 | const char *lvalue, | |
353 | const char *rvalue, | |
354 | void *data, | |
355 | void *userdata) { | |
356 | ||
357 | mode_t *m = data; | |
358 | long l; | |
359 | char *x = NULL; | |
360 | ||
361 | assert(filename); | |
362 | assert(lvalue); | |
363 | assert(rvalue); | |
364 | assert(data); | |
365 | ||
366 | errno = 0; | |
367 | l = strtol(rvalue, &x, 8); | |
368 | if (!x || *x || errno) { | |
b5a0699f | 369 | log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); |
034c6ed7 LP |
370 | return errno ? -errno : -EINVAL; |
371 | } | |
372 | ||
b5a0699f LP |
373 | if (l < 0000 || l > 07777) { |
374 | log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); | |
034c6ed7 LP |
375 | return -ERANGE; |
376 | } | |
377 | ||
378 | *m = (mode_t) l; | |
379 | return 0; | |
380 | } | |
381 | ||
382 | static int config_parse_exec( | |
383 | const char *filename, | |
384 | unsigned line, | |
385 | const char *section, | |
386 | const char *lvalue, | |
387 | const char *rvalue, | |
388 | void *data, | |
389 | void *userdata) { | |
390 | ||
a6a80b4f | 391 | ExecCommand **e = data, *nce = NULL; |
034c6ed7 LP |
392 | char **n; |
393 | char *w; | |
394 | unsigned k; | |
395 | size_t l; | |
6c666e26 LP |
396 | char *state, *path = NULL; |
397 | bool honour_argv0, write_to_path; | |
034c6ed7 LP |
398 | |
399 | assert(filename); | |
400 | assert(lvalue); | |
401 | assert(rvalue); | |
402 | assert(data); | |
403 | ||
6c666e26 LP |
404 | /* We accept an absolute path as first argument, or |
405 | * alternatively an absolute prefixed with @ to allow | |
406 | * overriding of argv[0]. */ | |
407 | ||
408 | honour_argv0 = rvalue[0] == '@'; | |
409 | ||
410 | if (rvalue[honour_argv0 ? 1 : 0] != '/') { | |
411 | log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); | |
412 | return -EINVAL; | |
413 | } | |
414 | ||
034c6ed7 LP |
415 | k = 0; |
416 | FOREACH_WORD_QUOTED(w, l, rvalue, state) | |
417 | k++; | |
418 | ||
6c666e26 | 419 | if (!(n = new(char*, k + (honour_argv0 ? 0 : 1)))) |
034c6ed7 LP |
420 | return -ENOMEM; |
421 | ||
44d8db9e | 422 | k = 0; |
6c666e26 LP |
423 | write_to_path = honour_argv0; |
424 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
425 | if (write_to_path) { | |
426 | if (!(path = strndup(w+1, l-1))) | |
427 | goto fail; | |
428 | write_to_path = false; | |
429 | } else { | |
430 | if (!(n[k++] = strndup(w, l))) | |
431 | goto fail; | |
432 | } | |
433 | } | |
034c6ed7 LP |
434 | |
435 | n[k] = NULL; | |
436 | ||
6c666e26 LP |
437 | if (!n[0]) { |
438 | log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue); | |
034c6ed7 LP |
439 | strv_free(n); |
440 | return -EINVAL; | |
441 | } | |
442 | ||
6c666e26 LP |
443 | if (!path) |
444 | if (!(path = strdup(n[0]))) | |
445 | goto fail; | |
446 | ||
447 | assert(path_is_absolute(path)); | |
448 | ||
034c6ed7 LP |
449 | if (!(nce = new0(ExecCommand, 1))) |
450 | goto fail; | |
451 | ||
452 | nce->argv = n; | |
6c666e26 | 453 | nce->path = path; |
034c6ed7 | 454 | |
01f78473 LP |
455 | path_kill_slashes(nce->path); |
456 | ||
a6a80b4f | 457 | exec_command_append_list(e, nce); |
034c6ed7 LP |
458 | |
459 | return 0; | |
460 | ||
461 | fail: | |
6c666e26 LP |
462 | n[k] = NULL; |
463 | strv_free(n); | |
464 | free(path); | |
034c6ed7 LP |
465 | free(nce); |
466 | ||
467 | return -ENOMEM; | |
468 | } | |
469 | ||
470 | static int config_parse_usec( | |
471 | const char *filename, | |
472 | unsigned line, | |
473 | const char *section, | |
474 | const char *lvalue, | |
475 | const char *rvalue, | |
476 | void *data, | |
477 | void *userdata) { | |
478 | ||
479 | usec_t *usec = data; | |
034c6ed7 LP |
480 | int r; |
481 | ||
482 | assert(filename); | |
483 | assert(lvalue); | |
484 | assert(rvalue); | |
485 | assert(data); | |
486 | ||
24a6e4a4 | 487 | if ((r = parse_usec(rvalue, usec)) < 0) { |
034c6ed7 LP |
488 | log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); |
489 | return r; | |
490 | } | |
491 | ||
034c6ed7 LP |
492 | return 0; |
493 | } | |
494 | ||
0d87eb42 LP |
495 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); |
496 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); | |
034c6ed7 | 497 | |
47be870b | 498 | static int config_parse_bindtodevice( |
acbb0225 LP |
499 | const char *filename, |
500 | unsigned line, | |
501 | const char *section, | |
502 | const char *lvalue, | |
503 | const char *rvalue, | |
504 | void *data, | |
505 | void *userdata) { | |
506 | ||
507 | Socket *s = data; | |
508 | char *n; | |
509 | ||
510 | assert(filename); | |
511 | assert(lvalue); | |
512 | assert(rvalue); | |
513 | assert(data); | |
514 | ||
515 | if (rvalue[0] && !streq(rvalue, "*")) { | |
516 | if (!(n = strdup(rvalue))) | |
517 | return -ENOMEM; | |
518 | } else | |
519 | n = NULL; | |
520 | ||
521 | free(s->bind_to_device); | |
522 | s->bind_to_device = n; | |
523 | ||
524 | return 0; | |
525 | } | |
526 | ||
0d87eb42 LP |
527 | DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); |
528 | DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); | |
87f0e418 | 529 | |
47be870b | 530 | static int config_parse_facility( |
071830ff LP |
531 | const char *filename, |
532 | unsigned line, | |
533 | const char *section, | |
534 | const char *lvalue, | |
535 | const char *rvalue, | |
536 | void *data, | |
537 | void *userdata) { | |
538 | ||
071830ff | 539 | |
94f04347 | 540 | int *o = data, x; |
071830ff LP |
541 | |
542 | assert(filename); | |
543 | assert(lvalue); | |
544 | assert(rvalue); | |
545 | assert(data); | |
546 | ||
0d87eb42 LP |
547 | if ((x = log_facility_from_string(rvalue)) < 0) { |
548 | log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); | |
549 | return -EBADMSG; | |
550 | } | |
94f04347 LP |
551 | |
552 | *o = LOG_MAKEPRI(x, LOG_PRI(*o)); | |
071830ff LP |
553 | |
554 | return 0; | |
555 | } | |
556 | ||
47be870b | 557 | static int config_parse_level( |
071830ff LP |
558 | const char *filename, |
559 | unsigned line, | |
560 | const char *section, | |
561 | const char *lvalue, | |
562 | const char *rvalue, | |
563 | void *data, | |
564 | void *userdata) { | |
565 | ||
071830ff | 566 | |
94f04347 | 567 | int *o = data, x; |
071830ff LP |
568 | |
569 | assert(filename); | |
570 | assert(lvalue); | |
571 | assert(rvalue); | |
572 | assert(data); | |
573 | ||
0d87eb42 LP |
574 | if ((x = log_level_from_string(rvalue)) < 0) { |
575 | log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); | |
576 | return -EBADMSG; | |
577 | } | |
071830ff | 578 | |
94f04347 LP |
579 | *o = LOG_MAKEPRI(LOG_FAC(*o), x); |
580 | return 0; | |
581 | } | |
582 | ||
47be870b | 583 | static int config_parse_io_class( |
94f04347 LP |
584 | const char *filename, |
585 | unsigned line, | |
586 | const char *section, | |
587 | const char *lvalue, | |
588 | const char *rvalue, | |
589 | void *data, | |
590 | void *userdata) { | |
591 | ||
592 | ExecContext *c = data; | |
593 | int x; | |
594 | ||
595 | assert(filename); | |
596 | assert(lvalue); | |
597 | assert(rvalue); | |
598 | assert(data); | |
599 | ||
0d87eb42 LP |
600 | if ((x = ioprio_class_from_string(rvalue)) < 0) { |
601 | log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); | |
602 | return -EBADMSG; | |
603 | } | |
94f04347 LP |
604 | |
605 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
606 | c->ioprio_set = true; | |
607 | ||
608 | return 0; | |
609 | } | |
610 | ||
47be870b | 611 | static int config_parse_io_priority( |
94f04347 LP |
612 | const char *filename, |
613 | unsigned line, | |
614 | const char *section, | |
615 | const char *lvalue, | |
616 | const char *rvalue, | |
617 | void *data, | |
618 | void *userdata) { | |
619 | ||
620 | ExecContext *c = data; | |
621 | int i; | |
622 | ||
623 | assert(filename); | |
624 | assert(lvalue); | |
625 | assert(rvalue); | |
626 | assert(data); | |
627 | ||
628 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
629 | log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue); | |
630 | return -EBADMSG; | |
071830ff LP |
631 | } |
632 | ||
94f04347 LP |
633 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
634 | c->ioprio_set = true; | |
635 | ||
071830ff LP |
636 | return 0; |
637 | } | |
638 | ||
47be870b | 639 | static int config_parse_cpu_sched_policy( |
9eba9da4 LP |
640 | const char *filename, |
641 | unsigned line, | |
642 | const char *section, | |
643 | const char *lvalue, | |
644 | const char *rvalue, | |
645 | void *data, | |
646 | void *userdata) { | |
647 | ||
94f04347 LP |
648 | |
649 | ExecContext *c = data; | |
650 | int x; | |
651 | ||
652 | assert(filename); | |
653 | assert(lvalue); | |
654 | assert(rvalue); | |
655 | assert(data); | |
656 | ||
0d87eb42 LP |
657 | if ((x = sched_policy_from_string(rvalue)) < 0) { |
658 | log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); | |
659 | return -EBADMSG; | |
660 | } | |
94f04347 LP |
661 | |
662 | c->cpu_sched_policy = x; | |
663 | c->cpu_sched_set = true; | |
664 | ||
665 | return 0; | |
666 | } | |
667 | ||
47be870b | 668 | static int config_parse_cpu_sched_prio( |
94f04347 LP |
669 | const char *filename, |
670 | unsigned line, | |
671 | const char *section, | |
672 | const char *lvalue, | |
673 | const char *rvalue, | |
674 | void *data, | |
675 | void *userdata) { | |
9eba9da4 LP |
676 | |
677 | ExecContext *c = data; | |
678 | int i; | |
679 | ||
680 | assert(filename); | |
681 | assert(lvalue); | |
682 | assert(rvalue); | |
683 | assert(data); | |
684 | ||
94f04347 LP |
685 | /* On Linux RR/FIFO have the same range */ |
686 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
687 | log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue); | |
688 | return -EBADMSG; | |
689 | } | |
9eba9da4 | 690 | |
94f04347 LP |
691 | c->cpu_sched_priority = i; |
692 | c->cpu_sched_set = true; | |
693 | ||
694 | return 0; | |
695 | } | |
696 | ||
47be870b | 697 | static int config_parse_cpu_affinity( |
94f04347 LP |
698 | const char *filename, |
699 | unsigned line, | |
700 | const char *section, | |
701 | const char *lvalue, | |
702 | const char *rvalue, | |
703 | void *data, | |
704 | void *userdata) { | |
705 | ||
706 | ExecContext *c = data; | |
707 | char *w; | |
708 | size_t l; | |
709 | char *state; | |
710 | ||
711 | assert(filename); | |
712 | assert(lvalue); | |
713 | assert(rvalue); | |
714 | assert(data); | |
715 | ||
f62c0e4f | 716 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
717 | char *t; |
718 | int r; | |
719 | unsigned cpu; | |
720 | ||
721 | if (!(t = strndup(w, l))) | |
722 | return -ENOMEM; | |
723 | ||
724 | r = safe_atou(t, &cpu); | |
725 | free(t); | |
726 | ||
727 | if (r < 0 || cpu >= CPU_SETSIZE) { | |
728 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
729 | return -EBADMSG; | |
9eba9da4 | 730 | } |
94f04347 LP |
731 | |
732 | CPU_SET(cpu, &c->cpu_affinity); | |
9eba9da4 LP |
733 | } |
734 | ||
94f04347 | 735 | c->cpu_affinity_set = true; |
9eba9da4 | 736 | |
94f04347 LP |
737 | return 0; |
738 | } | |
739 | ||
47be870b | 740 | static int config_parse_capabilities( |
94f04347 LP |
741 | const char *filename, |
742 | unsigned line, | |
743 | const char *section, | |
744 | const char *lvalue, | |
745 | const char *rvalue, | |
746 | void *data, | |
747 | void *userdata) { | |
748 | ||
749 | ExecContext *c = data; | |
750 | cap_t cap; | |
751 | ||
752 | assert(filename); | |
753 | assert(lvalue); | |
754 | assert(rvalue); | |
755 | assert(data); | |
756 | ||
757 | if (!(cap = cap_from_text(rvalue))) { | |
758 | if (errno == ENOMEM) | |
759 | return -ENOMEM; | |
760 | ||
761 | log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue); | |
762 | return -EBADMSG; | |
763 | } | |
764 | ||
765 | if (c->capabilities) | |
766 | cap_free(c->capabilities); | |
767 | c->capabilities = cap; | |
768 | ||
769 | return 0; | |
770 | } | |
771 | ||
47be870b | 772 | static int config_parse_secure_bits( |
94f04347 LP |
773 | const char *filename, |
774 | unsigned line, | |
775 | const char *section, | |
776 | const char *lvalue, | |
777 | const char *rvalue, | |
778 | void *data, | |
779 | void *userdata) { | |
780 | ||
781 | ExecContext *c = data; | |
782 | char *w; | |
783 | size_t l; | |
784 | char *state; | |
785 | ||
786 | assert(filename); | |
787 | assert(lvalue); | |
788 | assert(rvalue); | |
789 | assert(data); | |
790 | ||
f62c0e4f | 791 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
792 | if (first_word(w, "keep-caps")) |
793 | c->secure_bits |= SECURE_KEEP_CAPS; | |
794 | else if (first_word(w, "keep-caps-locked")) | |
795 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
796 | else if (first_word(w, "no-setuid-fixup")) | |
797 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
798 | else if (first_word(w, "no-setuid-fixup-locked")) | |
799 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
800 | else if (first_word(w, "noroot")) | |
801 | c->secure_bits |= SECURE_NOROOT; | |
802 | else if (first_word(w, "noroot-locked")) | |
803 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
9eba9da4 | 804 | else { |
94f04347 | 805 | log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue); |
9eba9da4 LP |
806 | return -EBADMSG; |
807 | } | |
808 | } | |
809 | ||
94f04347 LP |
810 | return 0; |
811 | } | |
812 | ||
47be870b | 813 | static int config_parse_bounding_set( |
94f04347 LP |
814 | const char *filename, |
815 | unsigned line, | |
816 | const char *section, | |
817 | const char *lvalue, | |
818 | const char *rvalue, | |
819 | void *data, | |
820 | void *userdata) { | |
821 | ||
822 | ExecContext *c = data; | |
823 | char *w; | |
824 | size_t l; | |
825 | char *state; | |
826 | ||
827 | assert(filename); | |
828 | assert(lvalue); | |
829 | assert(rvalue); | |
830 | assert(data); | |
831 | ||
f62c0e4f | 832 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
833 | char *t; |
834 | int r; | |
835 | cap_value_t cap; | |
836 | ||
837 | if (!(t = strndup(w, l))) | |
838 | return -ENOMEM; | |
839 | ||
840 | r = cap_from_name(t, &cap); | |
841 | free(t); | |
842 | ||
843 | if (r < 0) { | |
844 | log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue); | |
845 | return -EBADMSG; | |
846 | } | |
847 | ||
848 | c->capability_bounding_set_drop |= 1 << cap; | |
849 | } | |
9eba9da4 LP |
850 | |
851 | return 0; | |
852 | } | |
853 | ||
94f04347 | 854 | static int config_parse_timer_slack_ns( |
9eba9da4 LP |
855 | const char *filename, |
856 | unsigned line, | |
857 | const char *section, | |
858 | const char *lvalue, | |
859 | const char *rvalue, | |
860 | void *data, | |
861 | void *userdata) { | |
862 | ||
863 | ExecContext *c = data; | |
94f04347 LP |
864 | unsigned long u; |
865 | int r; | |
9eba9da4 LP |
866 | |
867 | assert(filename); | |
868 | assert(lvalue); | |
869 | assert(rvalue); | |
870 | assert(data); | |
871 | ||
94f04347 LP |
872 | if ((r = safe_atolu(rvalue, &u)) < 0) { |
873 | log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); | |
874 | return r; | |
9eba9da4 LP |
875 | } |
876 | ||
94f04347 LP |
877 | c->timer_slack_ns = u; |
878 | ||
879 | return 0; | |
880 | } | |
881 | ||
882 | static int config_parse_limit( | |
883 | const char *filename, | |
884 | unsigned line, | |
885 | const char *section, | |
886 | const char *lvalue, | |
887 | const char *rvalue, | |
888 | void *data, | |
889 | void *userdata) { | |
890 | ||
891 | struct rlimit **rl = data; | |
892 | unsigned long long u; | |
893 | int r; | |
894 | ||
895 | assert(filename); | |
896 | assert(lvalue); | |
897 | assert(rvalue); | |
898 | assert(data); | |
899 | ||
900 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
901 | log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); | |
902 | return r; | |
903 | } | |
904 | ||
905 | if (!*rl) | |
906 | if (!(*rl = new(struct rlimit, 1))) | |
907 | return -ENOMEM; | |
9eba9da4 | 908 | |
94f04347 | 909 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
910 | return 0; |
911 | } | |
912 | ||
8e274523 LP |
913 | static int config_parse_cgroup( |
914 | const char *filename, | |
915 | unsigned line, | |
916 | const char *section, | |
917 | const char *lvalue, | |
918 | const char *rvalue, | |
919 | void *data, | |
920 | void *userdata) { | |
921 | ||
922 | Unit *u = userdata; | |
923 | char *w; | |
924 | size_t l; | |
925 | char *state; | |
926 | ||
927 | FOREACH_WORD(w, l, rvalue, state) { | |
928 | char *t; | |
929 | int r; | |
930 | ||
931 | if (!(t = strndup(w, l))) | |
932 | return -ENOMEM; | |
933 | ||
934 | r = unit_add_cgroup_from_text(u, t); | |
935 | free(t); | |
936 | ||
937 | if (r < 0) | |
938 | return r; | |
939 | } | |
940 | ||
941 | return 0; | |
942 | } | |
943 | ||
a9a1e00a LP |
944 | static int config_parse_sysv_priority( |
945 | const char *filename, | |
946 | unsigned line, | |
947 | const char *section, | |
948 | const char *lvalue, | |
949 | const char *rvalue, | |
950 | void *data, | |
951 | void *userdata) { | |
952 | ||
953 | int *priority = data; | |
954 | int r, i; | |
955 | ||
956 | assert(filename); | |
957 | assert(lvalue); | |
958 | assert(rvalue); | |
959 | assert(data); | |
960 | ||
961 | if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) { | |
962 | log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue); | |
963 | return r; | |
964 | } | |
965 | ||
966 | *priority = (int) i; | |
967 | return 0; | |
968 | } | |
969 | ||
0d87eb42 | 970 | DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); |
50159e6a | 971 | |
15ae422b LP |
972 | static int config_parse_mount_flags( |
973 | const char *filename, | |
974 | unsigned line, | |
975 | const char *section, | |
976 | const char *lvalue, | |
977 | const char *rvalue, | |
978 | void *data, | |
979 | void *userdata) { | |
980 | ||
981 | ExecContext *c = data; | |
982 | char *w; | |
983 | size_t l; | |
984 | char *state; | |
985 | unsigned long flags = 0; | |
986 | ||
987 | assert(filename); | |
988 | assert(lvalue); | |
989 | assert(rvalue); | |
990 | assert(data); | |
991 | ||
992 | FOREACH_WORD(w, l, rvalue, state) { | |
993 | if (strncmp(w, "shared", l) == 0) | |
994 | flags |= MS_SHARED; | |
995 | else if (strncmp(w, "slave", l) == 0) | |
996 | flags |= MS_SLAVE; | |
997 | else if (strncmp(w, "private", l) == 0) | |
998 | flags |= MS_PRIVATE; | |
999 | else { | |
1000 | log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue); | |
1001 | return -EINVAL; | |
1002 | } | |
1003 | } | |
1004 | ||
1005 | c->mount_flags = flags; | |
1006 | return 0; | |
1007 | } | |
1008 | ||
871d7de4 LP |
1009 | static int config_parse_timer( |
1010 | const char *filename, | |
1011 | unsigned line, | |
1012 | const char *section, | |
1013 | const char *lvalue, | |
1014 | const char *rvalue, | |
1015 | void *data, | |
1016 | void *userdata) { | |
1017 | ||
1018 | Timer *t = data; | |
1019 | usec_t u; | |
1020 | int r; | |
1021 | TimerValue *v; | |
1022 | TimerBase b; | |
1023 | ||
1024 | assert(filename); | |
1025 | assert(lvalue); | |
1026 | assert(rvalue); | |
1027 | assert(data); | |
1028 | ||
1029 | if ((b = timer_base_from_string(lvalue)) < 0) { | |
1030 | log_error("[%s:%u] Failed to parse timer base: %s", filename, line, lvalue); | |
1031 | return -EINVAL; | |
1032 | } | |
1033 | ||
1034 | if ((r = parse_usec(rvalue, &u)) < 0) { | |
1035 | log_error("[%s:%u] Failed to parse timer value: %s", filename, line, rvalue); | |
1036 | return r; | |
1037 | } | |
1038 | ||
1039 | if (!(v = new0(TimerValue, 1))) | |
1040 | return -ENOMEM; | |
1041 | ||
1042 | v->base = b; | |
1043 | v->value = u; | |
1044 | ||
1045 | LIST_PREPEND(TimerValue, value, t->values, v); | |
1046 | ||
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | static int config_parse_timer_unit( | |
1051 | const char *filename, | |
1052 | unsigned line, | |
1053 | const char *section, | |
1054 | const char *lvalue, | |
1055 | const char *rvalue, | |
1056 | void *data, | |
1057 | void *userdata) { | |
1058 | ||
1059 | Timer *t = data; | |
1060 | int r; | |
1061 | ||
1062 | if (endswith(rvalue, ".timer")) { | |
1063 | log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue); | |
1064 | return -EINVAL; | |
1065 | } | |
1066 | ||
1067 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { | |
1068 | log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); | |
1069 | return r; | |
1070 | } | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
01f78473 LP |
1075 | static int config_parse_path_spec( |
1076 | const char *filename, | |
1077 | unsigned line, | |
1078 | const char *section, | |
1079 | const char *lvalue, | |
1080 | const char *rvalue, | |
1081 | void *data, | |
1082 | void *userdata) { | |
1083 | ||
1084 | Path *p = data; | |
1085 | PathSpec *s; | |
1086 | PathType b; | |
1087 | ||
1088 | assert(filename); | |
1089 | assert(lvalue); | |
1090 | assert(rvalue); | |
1091 | assert(data); | |
1092 | ||
1093 | if ((b = path_type_from_string(lvalue)) < 0) { | |
1094 | log_error("[%s:%u] Failed to parse path type: %s", filename, line, lvalue); | |
1095 | return -EINVAL; | |
1096 | } | |
1097 | ||
1098 | if (!path_is_absolute(rvalue)) { | |
1099 | log_error("[%s:%u] Path is not absolute: %s", filename, line, rvalue); | |
1100 | return -EINVAL; | |
1101 | } | |
1102 | ||
1103 | if (!(s = new0(PathSpec, 1))) | |
1104 | return -ENOMEM; | |
1105 | ||
1106 | if (!(s->path = strdup(rvalue))) { | |
1107 | free(s); | |
1108 | return -ENOMEM; | |
1109 | } | |
1110 | ||
1111 | path_kill_slashes(s->path); | |
1112 | ||
1113 | s->type = b; | |
1114 | s->inotify_fd = -1; | |
1115 | ||
1116 | LIST_PREPEND(PathSpec, spec, p->specs, s); | |
1117 | ||
1118 | return 0; | |
1119 | } | |
1120 | ||
1121 | static int config_parse_path_unit( | |
1122 | const char *filename, | |
1123 | unsigned line, | |
1124 | const char *section, | |
1125 | const char *lvalue, | |
1126 | const char *rvalue, | |
1127 | void *data, | |
1128 | void *userdata) { | |
1129 | ||
1130 | Path *t = data; | |
1131 | int r; | |
1132 | ||
1133 | if (endswith(rvalue, ".path")) { | |
1134 | log_error("[%s:%u] Unit cannot be of type path: %s", filename, line, rvalue); | |
1135 | return -EINVAL; | |
1136 | } | |
1137 | ||
1138 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { | |
1139 | log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); | |
1140 | return r; | |
1141 | } | |
1142 | ||
1143 | return 0; | |
1144 | } | |
1145 | ||
071830ff | 1146 | #define FOLLOW_MAX 8 |
87f0e418 | 1147 | |
9e2f7c11 | 1148 | static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { |
0301abf4 | 1149 | unsigned c = 0; |
87f0e418 LP |
1150 | int fd, r; |
1151 | FILE *f; | |
0301abf4 | 1152 | char *id = NULL; |
87f0e418 LP |
1153 | |
1154 | assert(filename); | |
1155 | assert(*filename); | |
1156 | assert(_f); | |
1157 | assert(names); | |
1158 | ||
0301abf4 LP |
1159 | /* This will update the filename pointer if the loaded file is |
1160 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 1161 | |
0301abf4 | 1162 | for (;;) { |
87f0e418 LP |
1163 | char *target, *k, *name; |
1164 | ||
0301abf4 LP |
1165 | if (c++ >= FOLLOW_MAX) |
1166 | return -ELOOP; | |
1167 | ||
b08d03ff LP |
1168 | path_kill_slashes(*filename); |
1169 | ||
87f0e418 LP |
1170 | /* Add the file name we are currently looking at to |
1171 | * the names of this unit */ | |
0301abf4 LP |
1172 | name = file_name_from_path(*filename); |
1173 | if (!(id = set_get(names, name))) { | |
87f0e418 | 1174 | |
0301abf4 LP |
1175 | if (!(id = strdup(name))) |
1176 | return -ENOMEM; | |
87f0e418 | 1177 | |
0301abf4 LP |
1178 | if ((r = set_put(names, id)) < 0) { |
1179 | free(id); | |
1180 | return r; | |
87f0e418 | 1181 | } |
87f0e418 LP |
1182 | } |
1183 | ||
0301abf4 LP |
1184 | /* Try to open the file name, but don't if its a symlink */ |
1185 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
87f0e418 LP |
1186 | break; |
1187 | ||
0301abf4 LP |
1188 | if (errno != ELOOP) |
1189 | return -errno; | |
1190 | ||
87f0e418 | 1191 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
0301abf4 LP |
1192 | if ((r = readlink_malloc(*filename, &target)) < 0) |
1193 | return r; | |
87f0e418 | 1194 | |
c25fb0ed | 1195 | k = file_in_same_dir(*filename, target); |
87f0e418 LP |
1196 | free(target); |
1197 | ||
0301abf4 LP |
1198 | if (!k) |
1199 | return -ENOMEM; | |
87f0e418 | 1200 | |
0301abf4 LP |
1201 | free(*filename); |
1202 | *filename = k; | |
87f0e418 LP |
1203 | } |
1204 | ||
1205 | if (!(f = fdopen(fd, "r"))) { | |
1206 | r = -errno; | |
9e2f7c11 | 1207 | close_nointr_nofail(fd); |
0301abf4 | 1208 | return r; |
87f0e418 LP |
1209 | } |
1210 | ||
1211 | *_f = f; | |
9e2f7c11 | 1212 | *_final = id; |
0301abf4 | 1213 | return 0; |
87f0e418 LP |
1214 | } |
1215 | ||
23a177ef LP |
1216 | static int merge_by_names(Unit **u, Set *names, const char *id) { |
1217 | char *k; | |
1218 | int r; | |
1219 | ||
1220 | assert(u); | |
1221 | assert(*u); | |
1222 | assert(names); | |
1223 | ||
1224 | /* Let's try to add in all symlink names we found */ | |
1225 | while ((k = set_steal_first(names))) { | |
1226 | ||
1227 | /* First try to merge in the other name into our | |
1228 | * unit */ | |
1229 | if ((r = unit_merge_by_name(*u, k)) < 0) { | |
1230 | Unit *other; | |
1231 | ||
1232 | /* Hmm, we couldn't merge the other unit into | |
1233 | * ours? Then let's try it the other way | |
1234 | * round */ | |
1235 | ||
1236 | other = manager_get_unit((*u)->meta.manager, k); | |
1237 | free(k); | |
1238 | ||
1239 | if (other) | |
1240 | if ((r = unit_merge(other, *u)) >= 0) { | |
1241 | *u = other; | |
1242 | return merge_by_names(u, names, NULL); | |
1243 | } | |
1244 | ||
1245 | return r; | |
1246 | } | |
1247 | ||
1248 | if (id == k) | |
1249 | unit_choose_id(*u, id); | |
1250 | ||
1251 | free(k); | |
1252 | } | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
e537352b LP |
1257 | static void dump_items(FILE *f, const ConfigItem *items) { |
1258 | const ConfigItem *i; | |
1259 | const char *prev_section = NULL; | |
1260 | bool not_first = false; | |
1261 | ||
1262 | struct { | |
1263 | ConfigParserCallback callback; | |
1264 | const char *rvalue; | |
1265 | } table[] = { | |
1266 | { config_parse_int, "INTEGER" }, | |
1267 | { config_parse_unsigned, "UNSIGNED" }, | |
1268 | { config_parse_size, "SIZE" }, | |
1269 | { config_parse_bool, "BOOLEAN" }, | |
1270 | { config_parse_string, "STRING" }, | |
1271 | { config_parse_path, "PATH" }, | |
1272 | { config_parse_strv, "STRING [...]" }, | |
1273 | { config_parse_nice, "NICE" }, | |
1274 | { config_parse_oom_adjust, "OOMADJUST" }, | |
1275 | { config_parse_io_class, "IOCLASS" }, | |
1276 | { config_parse_io_priority, "IOPRIORITY" }, | |
1277 | { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
1278 | { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
1279 | { config_parse_cpu_affinity, "CPUAFFINITY" }, | |
1280 | { config_parse_mode, "MODE" }, | |
1281 | { config_parse_output, "OUTPUT" }, | |
1282 | { config_parse_input, "INPUT" }, | |
1283 | { config_parse_facility, "FACILITY" }, | |
1284 | { config_parse_level, "LEVEL" }, | |
1285 | { config_parse_capabilities, "CAPABILITIES" }, | |
1286 | { config_parse_secure_bits, "SECUREBITS" }, | |
1287 | { config_parse_bounding_set, "BOUNDINGSET" }, | |
1288 | { config_parse_timer_slack_ns, "TIMERSLACK" }, | |
1289 | { config_parse_limit, "LIMIT" }, | |
1290 | { config_parse_cgroup, "CGROUP [...]" }, | |
1291 | { config_parse_deps, "UNIT [...]" }, | |
1292 | { config_parse_names, "UNIT [...]" }, | |
1293 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, | |
1294 | { config_parse_service_type, "SERVICETYPE" }, | |
1295 | { config_parse_service_restart, "SERVICERESTART" }, | |
1296 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
1297 | { config_parse_kill_mode, "KILLMODE" }, | |
1298 | { config_parse_listen, "SOCKET [...]" }, | |
1299 | { config_parse_socket_bind, "SOCKETBIND" }, | |
93ef5e80 LP |
1300 | { config_parse_bindtodevice, "NETWORKINTERFACE" }, |
1301 | { config_parse_usec, "SECONDS" }, | |
1302 | { config_parse_path_strv, "PATH [...]" }, | |
932921b5 LP |
1303 | { config_parse_mount_flags, "MOUNTFLAG [...]" }, |
1304 | { config_parse_description, "DESCRIPTION" }, | |
871d7de4 LP |
1305 | { config_parse_timer, "TIMER" }, |
1306 | { config_parse_timer_unit, "NAME" }, | |
e537352b LP |
1307 | }; |
1308 | ||
1309 | assert(f); | |
1310 | assert(items); | |
1311 | ||
1312 | for (i = items; i->lvalue; i++) { | |
1313 | unsigned j; | |
1314 | const char *rvalue = "OTHER"; | |
1315 | ||
1316 | if (!streq_ptr(i->section, prev_section)) { | |
1317 | if (!not_first) | |
1318 | not_first = true; | |
1319 | else | |
1320 | fputc('\n', f); | |
1321 | ||
1322 | fprintf(f, "[%s]\n", i->section); | |
1323 | prev_section = i->section; | |
1324 | } | |
1325 | ||
1326 | for (j = 0; j < ELEMENTSOF(table); j++) | |
1327 | if (i->parse == table[j].callback) { | |
1328 | rvalue = table[j].rvalue; | |
1329 | break; | |
1330 | } | |
1331 | ||
1332 | fprintf(f, "%s=%s\n", i->lvalue, rvalue); | |
1333 | } | |
1334 | } | |
1335 | ||
1336 | static int load_from_path(Unit *u, const char *path) { | |
87f0e418 LP |
1337 | |
1338 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1339 | [UNIT_SERVICE] = "Service", | |
1340 | [UNIT_TIMER] = "Timer", | |
1341 | [UNIT_SOCKET] = "Socket", | |
1342 | [UNIT_TARGET] = "Target", | |
1343 | [UNIT_DEVICE] = "Device", | |
1344 | [UNIT_MOUNT] = "Mount", | |
1345 | [UNIT_AUTOMOUNT] = "Automount", | |
07b0b134 | 1346 | [UNIT_SNAPSHOT] = "Snapshot", |
01f78473 LP |
1347 | [UNIT_SWAP] = "Swap", |
1348 | [UNIT_PATH] = "Path" | |
42f4e3c4 LP |
1349 | }; |
1350 | ||
034c6ed7 | 1351 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ |
9eba9da4 LP |
1352 | { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ |
1353 | { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ | |
1c01f82b LP |
1354 | { "User", config_parse_string, &(context).user, section }, \ |
1355 | { "Group", config_parse_string, &(context).group, section }, \ | |
1356 | { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ | |
fb33a393 LP |
1357 | { "Nice", config_parse_nice, &(context), section }, \ |
1358 | { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ | |
9eba9da4 | 1359 | { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ |
94f04347 LP |
1360 | { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ |
1361 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ | |
1362 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ | |
38b48754 | 1363 | { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ |
94f04347 | 1364 | { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ |
b5a0699f | 1365 | { "UMask", config_parse_mode, &(context).umask, section }, \ |
071830ff | 1366 | { "Environment", config_parse_strv, &(context).environment, section }, \ |
80876c20 LP |
1367 | { "StandardInput", config_parse_input, &(context).std_input, section }, \ |
1368 | { "StandardOutput", config_parse_output, &(context).std_output, section }, \ | |
1369 | { "StandardError", config_parse_output, &(context).std_output, section }, \ | |
1370 | { "TTYPath", config_parse_path, &(context).tty_path, section }, \ | |
071830ff LP |
1371 | { "SyslogIdentifier", config_parse_string, &(context).syslog_identifier, section }, \ |
1372 | { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ | |
94f04347 | 1373 | { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ |
4f4a1dbf | 1374 | { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \ |
94f04347 LP |
1375 | { "Capabilities", config_parse_capabilities, &(context), section }, \ |
1376 | { "SecureBits", config_parse_secure_bits, &(context), section }, \ | |
1377 | { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ | |
1378 | { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ | |
1379 | { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1380 | { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1381 | { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1382 | { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1383 | { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1384 | { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1385 | { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1386 | { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ | |
1387 | { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1388 | { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1389 | { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1390 | { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1391 | { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1392 | { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1393 | { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
451a074f | 1394 | { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \ |
15ae422b LP |
1395 | { "ControlGroup", config_parse_cgroup, u, section }, \ |
1396 | { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \ | |
1397 | { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \ | |
1398 | { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \ | |
1399 | { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \ | |
1400 | { "MountFlags", config_parse_mount_flags, &(context), section } | |
034c6ed7 | 1401 | |
3efd4195 | 1402 | const ConfigItem items[] = { |
09477267 | 1403 | { "Names", config_parse_names, u, "Unit" }, |
932921b5 | 1404 | { "Description", config_parse_description, u, "Unit" }, |
09477267 LP |
1405 | { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" }, |
1406 | { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" }, | |
1407 | { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" }, | |
1408 | { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" }, | |
1409 | { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" }, | |
1410 | { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" }, | |
1411 | { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, | |
1412 | { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" }, | |
1413 | { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" }, | |
1414 | { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, | |
bc0f8771 | 1415 | { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" }, |
1c01f82b LP |
1416 | |
1417 | { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, | |
1418 | { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1419 | { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1420 | { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1421 | { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1422 | { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1423 | { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1424 | { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, | |
1425 | { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, | |
0d87eb42 LP |
1426 | { "Type", config_parse_service_type, &u->service.type, "Service" }, |
1427 | { "Restart", config_parse_service_restart, &u->service.restart, "Service" }, | |
81a2b7ce LP |
1428 | { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, |
1429 | { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, | |
8e274523 | 1430 | { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, |
a9a1e00a | 1431 | { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, |
50159e6a | 1432 | { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, |
b778d555 | 1433 | { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, |
05e343b7 | 1434 | { "BusName", config_parse_string, &u->service.bus_name, "Service" }, |
87f0e418 LP |
1435 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), |
1436 | ||
1c01f82b LP |
1437 | { "ListenStream", config_parse_listen, &u->socket, "Socket" }, |
1438 | { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, | |
1439 | { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, | |
1440 | { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, | |
1441 | { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, | |
1442 | { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, | |
acbb0225 | 1443 | { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, |
1c01f82b LP |
1444 | { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, |
1445 | { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1446 | { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
1447 | { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
108736d0 | 1448 | { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, |
b5a0699f LP |
1449 | { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, |
1450 | { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, | |
50159e6a | 1451 | { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, |
4f2d528d | 1452 | { "Accept", config_parse_bool, &u->socket.accept, "Socket" }, |
87f0e418 LP |
1453 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), |
1454 | ||
e537352b LP |
1455 | { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, |
1456 | { "Where", config_parse_path, &u->mount.where, "Mount" }, | |
1457 | { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, | |
1458 | { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, | |
1459 | { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, | |
1460 | { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, | |
1461 | EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), | |
034c6ed7 | 1462 | |
8d567588 LP |
1463 | { "Where", config_parse_path, &u->automount.where, "Automount" }, |
1464 | ||
01f78473 LP |
1465 | { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" }, |
1466 | { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" }, | |
1467 | ||
1468 | { "OnActive", config_parse_timer, &u->timer, "Timer" }, | |
1469 | { "OnBoot", config_parse_timer, &u->timer, "Timer" }, | |
1470 | { "OnStartup", config_parse_timer, &u->timer, "Timer" }, | |
1471 | { "OnUnitActive", config_parse_timer, &u->timer, "Timer" }, | |
1472 | { "OnUnitInactive", config_parse_timer, &u->timer, "Timer" }, | |
1473 | { "Unit", config_parse_timer_unit, &u->timer, "Timer" }, | |
07b0b134 | 1474 | |
01f78473 LP |
1475 | { "PathExists", config_parse_path_spec, &u->path, "Path" }, |
1476 | { "PathChanged", config_parse_path_spec, &u->path, "Path" }, | |
1477 | { "DirectoryNotEmpty", config_parse_path_spec, &u->path, "Path" }, | |
1478 | { "Unit", config_parse_path_unit, &u->path, "Path" }, | |
871d7de4 | 1479 | |
3efd4195 LP |
1480 | { NULL, NULL, NULL, NULL } |
1481 | }; | |
1482 | ||
034c6ed7 | 1483 | #undef EXEC_CONTEXT_CONFIG_ITEMS |
42f4e3c4 | 1484 | |
42f4e3c4 | 1485 | const char *sections[3]; |
0301abf4 LP |
1486 | char *k; |
1487 | int r; | |
87f0e418 | 1488 | Set *symlink_names; |
23a177ef LP |
1489 | FILE *f = NULL; |
1490 | char *filename = NULL, *id = NULL; | |
1491 | Unit *merged; | |
1492 | ||
e537352b LP |
1493 | if (!u) { |
1494 | /* Dirty dirty hack. */ | |
1495 | dump_items((FILE*) path, items); | |
1496 | return 0; | |
1497 | } | |
1498 | ||
23a177ef | 1499 | assert(u); |
e537352b | 1500 | assert(path); |
3efd4195 | 1501 | |
09477267 | 1502 | sections[0] = "Unit"; |
87f0e418 | 1503 | sections[1] = section_table[u->meta.type]; |
42f4e3c4 LP |
1504 | sections[2] = NULL; |
1505 | ||
87f0e418 LP |
1506 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) |
1507 | return -ENOMEM; | |
3efd4195 | 1508 | |
036643a2 LP |
1509 | if (path_is_absolute(path)) { |
1510 | ||
1511 | if (!(filename = strdup(path))) { | |
1512 | r = -ENOMEM; | |
1513 | goto finish; | |
1514 | } | |
1515 | ||
1516 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1517 | free(filename); | |
1518 | filename = NULL; | |
1519 | ||
1520 | if (r != -ENOENT) | |
1521 | goto finish; | |
1522 | } | |
1523 | ||
1524 | } else { | |
1525 | char **p; | |
1526 | ||
1527 | STRV_FOREACH(p, u->meta.manager->unit_path) { | |
1528 | ||
1529 | /* Instead of opening the path right away, we manually | |
1530 | * follow all symlinks and add their name to our unit | |
1531 | * name set while doing so */ | |
1532 | if (!(filename = path_make_absolute(path, *p))) { | |
1533 | r = -ENOMEM; | |
1534 | goto finish; | |
1535 | } | |
1536 | ||
1537 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1538 | char *sn; | |
1539 | ||
1540 | free(filename); | |
1541 | filename = NULL; | |
1542 | ||
1543 | if (r != -ENOENT) | |
1544 | goto finish; | |
1545 | ||
1546 | /* Empty the symlink names for the next run */ | |
1547 | while ((sn = set_steal_first(symlink_names))) | |
1548 | free(sn); | |
3efd4195 | 1549 | |
036643a2 LP |
1550 | continue; |
1551 | } | |
1552 | ||
1553 | break; | |
1554 | } | |
1555 | } | |
034c6ed7 | 1556 | |
036643a2 | 1557 | if (!filename) { |
23a177ef | 1558 | r = 0; |
0301abf4 LP |
1559 | goto finish; |
1560 | } | |
87f0e418 | 1561 | |
23a177ef LP |
1562 | merged = u; |
1563 | if ((r = merge_by_names(&merged, symlink_names, id)) < 0) | |
0301abf4 | 1564 | goto finish; |
87f0e418 | 1565 | |
23a177ef | 1566 | if (merged != u) { |
e537352b | 1567 | u->meta.load_state = UNIT_MERGED; |
23a177ef LP |
1568 | r = 0; |
1569 | goto finish; | |
034c6ed7 LP |
1570 | } |
1571 | ||
23a177ef LP |
1572 | /* Now, parse the file contents */ |
1573 | if ((r = config_parse(filename, f, sections, items, u)) < 0) | |
1574 | goto finish; | |
b08d03ff | 1575 | |
6be1e7d5 LP |
1576 | free(u->meta.fragment_path); |
1577 | u->meta.fragment_path = filename; | |
0301abf4 | 1578 | filename = NULL; |
87f0e418 | 1579 | |
e537352b | 1580 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 1581 | r = 0; |
87f0e418 LP |
1582 | |
1583 | finish: | |
1584 | while ((k = set_steal_first(symlink_names))) | |
1585 | free(k); | |
23a177ef | 1586 | |
87f0e418 | 1587 | set_free(symlink_names); |
0301abf4 LP |
1588 | free(filename); |
1589 | ||
23a177ef LP |
1590 | if (f) |
1591 | fclose(f); | |
1592 | ||
0301abf4 LP |
1593 | return r; |
1594 | } | |
1595 | ||
e537352b | 1596 | int unit_load_fragment(Unit *u) { |
23a177ef | 1597 | int r; |
0301abf4 LP |
1598 | |
1599 | assert(u); | |
23a177ef LP |
1600 | |
1601 | if (u->meta.fragment_path) { | |
1602 | ||
e537352b | 1603 | if ((r = load_from_path(u, u->meta.fragment_path)) < 0) |
23a177ef | 1604 | return r; |
0301abf4 | 1605 | |
23a177ef | 1606 | } else { |
0301abf4 | 1607 | Iterator i; |
890f434c | 1608 | const char *t; |
0301abf4 | 1609 | |
890f434c | 1610 | /* Try to find the unit under its id */ |
9e2f7c11 LP |
1611 | if ((r = load_from_path(u, u->meta.id)) < 0) |
1612 | return r; | |
890f434c LP |
1613 | |
1614 | /* Try to find an alias we can load this with */ | |
e537352b | 1615 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1616 | SET_FOREACH(t, u->meta.names, i) { |
87f0e418 | 1617 | |
9e2f7c11 | 1618 | if (t == u->meta.id) |
23a177ef | 1619 | continue; |
071830ff | 1620 | |
e537352b | 1621 | if ((r = load_from_path(u, t)) < 0) |
23a177ef | 1622 | return r; |
890f434c | 1623 | |
e537352b | 1624 | if (u->meta.load_state != UNIT_STUB) |
23a177ef LP |
1625 | break; |
1626 | } | |
9e2f7c11 LP |
1627 | |
1628 | /* Now, follow the same logic, but look for a template */ | |
1629 | if (u->meta.load_state == UNIT_STUB && u->meta.instance) { | |
1630 | char *k; | |
1631 | ||
1632 | if (!(k = unit_name_template(u->meta.id))) | |
1633 | return -ENOMEM; | |
1634 | ||
1635 | r = load_from_path(u, k); | |
1636 | free(k); | |
1637 | ||
1638 | if (r < 0) | |
1639 | return r; | |
1640 | ||
1641 | if (u->meta.load_state == UNIT_STUB) | |
1642 | SET_FOREACH(t, u->meta.names, i) { | |
1643 | ||
1644 | if (t == u->meta.id) | |
1645 | continue; | |
1646 | ||
1647 | if (!(k = unit_name_template(t))) | |
1648 | return -ENOMEM; | |
1649 | ||
1650 | r = load_from_path(u, k); | |
1651 | free(k); | |
1652 | ||
1653 | if (r < 0) | |
1654 | return r; | |
1655 | ||
1656 | if (u->meta.load_state != UNIT_STUB) | |
1657 | break; | |
1658 | } | |
1659 | } | |
071830ff LP |
1660 | } |
1661 | ||
23a177ef | 1662 | return 0; |
3efd4195 | 1663 | } |
e537352b LP |
1664 | |
1665 | void unit_dump_config_items(FILE *f) { | |
1666 | /* OK, this wins a prize for extreme ugliness. */ | |
1667 | ||
1668 | load_from_path(NULL, (const void*) f); | |
1669 | } |