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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 | |
ddb26e18 LP |
43 | #define COMMENTS "#;\n" |
44 | #define LINE_MAX 4096 | |
45 | ||
0d87eb42 LP |
46 | #define DEFINE_CONFIG_PARSE_ENUM(function,name,type,msg) \ |
47 | static int function( \ | |
48 | const char *filename, \ | |
49 | unsigned line, \ | |
50 | const char *section, \ | |
51 | const char *lvalue, \ | |
52 | const char *rvalue, \ | |
53 | void *data, \ | |
54 | void *userdata) { \ | |
55 | \ | |
56 | type *i = data, x; \ | |
57 | \ | |
58 | assert(filename); \ | |
59 | assert(lvalue); \ | |
60 | assert(rvalue); \ | |
61 | assert(data); \ | |
62 | \ | |
63 | if ((x = name##_from_string(rvalue)) < 0) { \ | |
64 | log_error("[%s:%u] " msg ": %s", filename, line, rvalue); \ | |
65 | return -EBADMSG; \ | |
66 | } \ | |
67 | \ | |
68 | *i = x; \ | |
69 | \ | |
70 | return 0; \ | |
71 | } | |
72 | ||
42f4e3c4 | 73 | static int config_parse_deps( |
3efd4195 LP |
74 | const char *filename, |
75 | unsigned line, | |
76 | const char *section, | |
77 | const char *lvalue, | |
78 | const char *rvalue, | |
79 | void *data, | |
80 | void *userdata) { | |
81 | ||
87f0e418 LP |
82 | UnitDependency d = PTR_TO_UINT(data); |
83 | Unit *u = userdata; | |
3efd4195 LP |
84 | char *w; |
85 | size_t l; | |
86 | char *state; | |
87 | ||
88 | assert(filename); | |
89 | assert(lvalue); | |
90 | assert(rvalue); | |
3efd4195 | 91 | |
f62c0e4f | 92 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 93 | char *t, *k; |
3efd4195 | 94 | int r; |
3efd4195 LP |
95 | |
96 | if (!(t = strndup(w, l))) | |
97 | return -ENOMEM; | |
98 | ||
9e2f7c11 | 99 | k = unit_name_printf(u, t); |
3efd4195 LP |
100 | free(t); |
101 | ||
9e2f7c11 LP |
102 | if (!k) |
103 | return -ENOMEM; | |
104 | ||
701cc384 | 105 | r = unit_add_dependency_by_name(u, d, k, NULL, true); |
9e2f7c11 LP |
106 | free(k); |
107 | ||
3efd4195 LP |
108 | if (r < 0) |
109 | return r; | |
3efd4195 LP |
110 | } |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
42f4e3c4 | 115 | static int config_parse_names( |
87d1515d LP |
116 | const char *filename, |
117 | unsigned line, | |
118 | const char *section, | |
119 | const char *lvalue, | |
120 | const char *rvalue, | |
121 | void *data, | |
122 | void *userdata) { | |
123 | ||
87f0e418 | 124 | Unit *u = userdata; |
87d1515d LP |
125 | char *w; |
126 | size_t l; | |
127 | char *state; | |
128 | ||
129 | assert(filename); | |
130 | assert(lvalue); | |
131 | assert(rvalue); | |
132 | assert(data); | |
133 | ||
f62c0e4f | 134 | FOREACH_WORD(w, l, rvalue, state) { |
9e2f7c11 | 135 | char *t, *k; |
87d1515d | 136 | int r; |
87d1515d LP |
137 | |
138 | if (!(t = strndup(w, l))) | |
139 | return -ENOMEM; | |
140 | ||
9e2f7c11 | 141 | k = unit_name_printf(u, t); |
87d1515d | 142 | free(t); |
23a177ef | 143 | |
9e2f7c11 LP |
144 | if (!k) |
145 | return -ENOMEM; | |
146 | ||
147 | r = unit_merge_by_name(u, k); | |
148 | free(k); | |
149 | ||
23a177ef LP |
150 | if (r < 0) |
151 | return r; | |
87d1515d LP |
152 | } |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
f2d3769a | 157 | static int config_parse_string_printf( |
932921b5 LP |
158 | const char *filename, |
159 | unsigned line, | |
160 | const char *section, | |
161 | const char *lvalue, | |
162 | const char *rvalue, | |
163 | void *data, | |
164 | void *userdata) { | |
165 | ||
166 | Unit *u = userdata; | |
f2d3769a | 167 | char **s = data; |
932921b5 LP |
168 | char *k; |
169 | ||
170 | assert(filename); | |
171 | assert(lvalue); | |
172 | assert(rvalue); | |
f2d3769a LP |
173 | assert(s); |
174 | assert(u); | |
932921b5 LP |
175 | |
176 | if (!(k = unit_full_printf(u, rvalue))) | |
177 | return -ENOMEM; | |
178 | ||
f2d3769a | 179 | free(*s); |
932921b5 | 180 | if (*k) |
f2d3769a | 181 | *s = k; |
932921b5 LP |
182 | else { |
183 | free(k); | |
f2d3769a | 184 | *s = NULL; |
932921b5 LP |
185 | } |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
42f4e3c4 LP |
190 | static int config_parse_listen( |
191 | const char *filename, | |
192 | unsigned line, | |
193 | const char *section, | |
194 | const char *lvalue, | |
195 | const char *rvalue, | |
196 | void *data, | |
197 | void *userdata) { | |
198 | ||
16354eff | 199 | int r; |
542563ba LP |
200 | SocketPort *p; |
201 | Socket *s; | |
16354eff | 202 | |
42f4e3c4 LP |
203 | assert(filename); |
204 | assert(lvalue); | |
205 | assert(rvalue); | |
206 | assert(data); | |
207 | ||
542563ba LP |
208 | s = (Socket*) data; |
209 | ||
210 | if (!(p = new0(SocketPort, 1))) | |
211 | return -ENOMEM; | |
212 | ||
213 | if (streq(lvalue, "ListenFIFO")) { | |
214 | p->type = SOCKET_FIFO; | |
215 | ||
216 | if (!(p->path = strdup(rvalue))) { | |
217 | free(p); | |
218 | return -ENOMEM; | |
219 | } | |
01f78473 LP |
220 | |
221 | path_kill_slashes(p->path); | |
542563ba LP |
222 | } else { |
223 | p->type = SOCKET_SOCKET; | |
224 | ||
225 | if ((r = socket_address_parse(&p->address, rvalue)) < 0) { | |
226 | log_error("[%s:%u] Failed to parse address value: %s", filename, line, rvalue); | |
227 | free(p); | |
228 | return r; | |
229 | } | |
230 | ||
231 | if (streq(lvalue, "ListenStream")) | |
232 | p->address.type = SOCK_STREAM; | |
233 | else if (streq(lvalue, "ListenDatagram")) | |
234 | p->address.type = SOCK_DGRAM; | |
235 | else { | |
236 | assert(streq(lvalue, "ListenSequentialPacket")); | |
237 | p->address.type = SOCK_SEQPACKET; | |
238 | } | |
239 | ||
240 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
241 | free(p); | |
242 | return -EPROTONOSUPPORT; | |
243 | } | |
16354eff LP |
244 | } |
245 | ||
542563ba | 246 | p->fd = -1; |
034c6ed7 | 247 | LIST_PREPEND(SocketPort, port, s->ports, p); |
542563ba | 248 | |
16354eff | 249 | return 0; |
42f4e3c4 LP |
250 | } |
251 | ||
034c6ed7 | 252 | static int config_parse_socket_bind( |
42f4e3c4 LP |
253 | const char *filename, |
254 | unsigned line, | |
255 | const char *section, | |
256 | const char *lvalue, | |
257 | const char *rvalue, | |
258 | void *data, | |
259 | void *userdata) { | |
260 | ||
542563ba | 261 | Socket *s; |
c0120d99 | 262 | SocketAddressBindIPv6Only b; |
42f4e3c4 LP |
263 | |
264 | assert(filename); | |
265 | assert(lvalue); | |
266 | assert(rvalue); | |
267 | assert(data); | |
268 | ||
542563ba LP |
269 | s = (Socket*) data; |
270 | ||
c0120d99 LP |
271 | if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) { |
272 | int r; | |
273 | ||
274 | if ((r = parse_boolean(rvalue)) < 0) { | |
275 | log_error("[%s:%u] Failed to parse bind IPv6 only value: %s", filename, line, rvalue); | |
276 | return -EBADMSG; | |
277 | } | |
42f4e3c4 | 278 | |
c0120d99 LP |
279 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
280 | } else | |
281 | s->bind_ipv6_only = b; | |
542563ba | 282 | |
42f4e3c4 LP |
283 | return 0; |
284 | } | |
285 | ||
034c6ed7 LP |
286 | static int config_parse_nice( |
287 | const char *filename, | |
288 | unsigned line, | |
289 | const char *section, | |
290 | const char *lvalue, | |
291 | const char *rvalue, | |
292 | void *data, | |
293 | void *userdata) { | |
294 | ||
fb33a393 LP |
295 | ExecContext *c = data; |
296 | int priority, r; | |
034c6ed7 LP |
297 | |
298 | assert(filename); | |
299 | assert(lvalue); | |
300 | assert(rvalue); | |
301 | assert(data); | |
302 | ||
303 | if ((r = safe_atoi(rvalue, &priority)) < 0) { | |
304 | log_error("[%s:%u] Failed to parse nice priority: %s", filename, line, rvalue); | |
305 | return r; | |
306 | } | |
307 | ||
308 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
309 | log_error("[%s:%u] Nice priority out of range: %s", filename, line, rvalue); | |
310 | return -ERANGE; | |
311 | } | |
312 | ||
fb33a393 LP |
313 | c->nice = priority; |
314 | c->nice_set = false; | |
315 | ||
034c6ed7 LP |
316 | return 0; |
317 | } | |
318 | ||
319 | static int config_parse_oom_adjust( | |
320 | const char *filename, | |
321 | unsigned line, | |
322 | const char *section, | |
323 | const char *lvalue, | |
324 | const char *rvalue, | |
325 | void *data, | |
326 | void *userdata) { | |
327 | ||
fb33a393 LP |
328 | ExecContext *c = data; |
329 | int oa, r; | |
034c6ed7 LP |
330 | |
331 | assert(filename); | |
332 | assert(lvalue); | |
333 | assert(rvalue); | |
334 | assert(data); | |
335 | ||
336 | if ((r = safe_atoi(rvalue, &oa)) < 0) { | |
337 | log_error("[%s:%u] Failed to parse OOM adjust value: %s", filename, line, rvalue); | |
338 | return r; | |
339 | } | |
340 | ||
341 | if (oa < OOM_DISABLE || oa > OOM_ADJUST_MAX) { | |
342 | log_error("[%s:%u] OOM adjust value out of range: %s", filename, line, rvalue); | |
343 | return -ERANGE; | |
344 | } | |
345 | ||
fb33a393 LP |
346 | c->oom_adjust = oa; |
347 | c->oom_adjust_set = true; | |
348 | ||
034c6ed7 LP |
349 | return 0; |
350 | } | |
351 | ||
b5a0699f | 352 | static int config_parse_mode( |
034c6ed7 LP |
353 | const char *filename, |
354 | unsigned line, | |
355 | const char *section, | |
356 | const char *lvalue, | |
357 | const char *rvalue, | |
358 | void *data, | |
359 | void *userdata) { | |
360 | ||
361 | mode_t *m = data; | |
362 | long l; | |
363 | char *x = NULL; | |
364 | ||
365 | assert(filename); | |
366 | assert(lvalue); | |
367 | assert(rvalue); | |
368 | assert(data); | |
369 | ||
370 | errno = 0; | |
371 | l = strtol(rvalue, &x, 8); | |
372 | if (!x || *x || errno) { | |
b5a0699f | 373 | log_error("[%s:%u] Failed to parse mode value: %s", filename, line, rvalue); |
034c6ed7 LP |
374 | return errno ? -errno : -EINVAL; |
375 | } | |
376 | ||
b5a0699f LP |
377 | if (l < 0000 || l > 07777) { |
378 | log_error("[%s:%u] mode value out of range: %s", filename, line, rvalue); | |
034c6ed7 LP |
379 | return -ERANGE; |
380 | } | |
381 | ||
382 | *m = (mode_t) l; | |
383 | return 0; | |
384 | } | |
385 | ||
386 | static int config_parse_exec( | |
387 | const char *filename, | |
388 | unsigned line, | |
389 | const char *section, | |
390 | const char *lvalue, | |
391 | const char *rvalue, | |
392 | void *data, | |
393 | void *userdata) { | |
394 | ||
a6a80b4f | 395 | ExecCommand **e = data, *nce = NULL; |
034c6ed7 LP |
396 | char **n; |
397 | char *w; | |
398 | unsigned k; | |
399 | size_t l; | |
6c666e26 LP |
400 | char *state, *path = NULL; |
401 | bool honour_argv0, write_to_path; | |
034c6ed7 LP |
402 | |
403 | assert(filename); | |
404 | assert(lvalue); | |
405 | assert(rvalue); | |
406 | assert(data); | |
407 | ||
6c666e26 LP |
408 | /* We accept an absolute path as first argument, or |
409 | * alternatively an absolute prefixed with @ to allow | |
410 | * overriding of argv[0]. */ | |
411 | ||
412 | honour_argv0 = rvalue[0] == '@'; | |
413 | ||
414 | if (rvalue[honour_argv0 ? 1 : 0] != '/') { | |
415 | log_error("[%s:%u] Invalid executable path in command line: %s", filename, line, rvalue); | |
416 | return -EINVAL; | |
417 | } | |
418 | ||
034c6ed7 LP |
419 | k = 0; |
420 | FOREACH_WORD_QUOTED(w, l, rvalue, state) | |
421 | k++; | |
422 | ||
6c666e26 | 423 | if (!(n = new(char*, k + (honour_argv0 ? 0 : 1)))) |
034c6ed7 LP |
424 | return -ENOMEM; |
425 | ||
44d8db9e | 426 | k = 0; |
6c666e26 LP |
427 | write_to_path = honour_argv0; |
428 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
429 | if (write_to_path) { | |
430 | if (!(path = strndup(w+1, l-1))) | |
431 | goto fail; | |
432 | write_to_path = false; | |
433 | } else { | |
434 | if (!(n[k++] = strndup(w, l))) | |
435 | goto fail; | |
436 | } | |
437 | } | |
034c6ed7 LP |
438 | |
439 | n[k] = NULL; | |
440 | ||
6c666e26 LP |
441 | if (!n[0]) { |
442 | log_error("[%s:%u] Invalid command line: %s", filename, line, rvalue); | |
034c6ed7 LP |
443 | strv_free(n); |
444 | return -EINVAL; | |
445 | } | |
446 | ||
6c666e26 LP |
447 | if (!path) |
448 | if (!(path = strdup(n[0]))) | |
449 | goto fail; | |
450 | ||
451 | assert(path_is_absolute(path)); | |
452 | ||
034c6ed7 LP |
453 | if (!(nce = new0(ExecCommand, 1))) |
454 | goto fail; | |
455 | ||
456 | nce->argv = n; | |
6c666e26 | 457 | nce->path = path; |
034c6ed7 | 458 | |
01f78473 LP |
459 | path_kill_slashes(nce->path); |
460 | ||
a6a80b4f | 461 | exec_command_append_list(e, nce); |
034c6ed7 LP |
462 | |
463 | return 0; | |
464 | ||
465 | fail: | |
6c666e26 LP |
466 | n[k] = NULL; |
467 | strv_free(n); | |
468 | free(path); | |
034c6ed7 LP |
469 | free(nce); |
470 | ||
471 | return -ENOMEM; | |
472 | } | |
473 | ||
474 | static int config_parse_usec( | |
475 | const char *filename, | |
476 | unsigned line, | |
477 | const char *section, | |
478 | const char *lvalue, | |
479 | const char *rvalue, | |
480 | void *data, | |
481 | void *userdata) { | |
482 | ||
483 | usec_t *usec = data; | |
034c6ed7 LP |
484 | int r; |
485 | ||
486 | assert(filename); | |
487 | assert(lvalue); | |
488 | assert(rvalue); | |
489 | assert(data); | |
490 | ||
24a6e4a4 | 491 | if ((r = parse_usec(rvalue, usec)) < 0) { |
034c6ed7 LP |
492 | log_error("[%s:%u] Failed to parse time value: %s", filename, line, rvalue); |
493 | return r; | |
494 | } | |
495 | ||
034c6ed7 LP |
496 | return 0; |
497 | } | |
498 | ||
0d87eb42 LP |
499 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); |
500 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); | |
034c6ed7 | 501 | |
47be870b | 502 | static int config_parse_bindtodevice( |
acbb0225 LP |
503 | const char *filename, |
504 | unsigned line, | |
505 | const char *section, | |
506 | const char *lvalue, | |
507 | const char *rvalue, | |
508 | void *data, | |
509 | void *userdata) { | |
510 | ||
511 | Socket *s = data; | |
512 | char *n; | |
513 | ||
514 | assert(filename); | |
515 | assert(lvalue); | |
516 | assert(rvalue); | |
517 | assert(data); | |
518 | ||
519 | if (rvalue[0] && !streq(rvalue, "*")) { | |
520 | if (!(n = strdup(rvalue))) | |
521 | return -ENOMEM; | |
522 | } else | |
523 | n = NULL; | |
524 | ||
525 | free(s->bind_to_device); | |
526 | s->bind_to_device = n; | |
527 | ||
528 | return 0; | |
529 | } | |
530 | ||
0d87eb42 LP |
531 | DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); |
532 | DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); | |
87f0e418 | 533 | |
47be870b | 534 | static int config_parse_facility( |
071830ff LP |
535 | const char *filename, |
536 | unsigned line, | |
537 | const char *section, | |
538 | const char *lvalue, | |
539 | const char *rvalue, | |
540 | void *data, | |
541 | void *userdata) { | |
542 | ||
071830ff | 543 | |
94f04347 | 544 | int *o = data, x; |
071830ff LP |
545 | |
546 | assert(filename); | |
547 | assert(lvalue); | |
548 | assert(rvalue); | |
549 | assert(data); | |
550 | ||
0d87eb42 LP |
551 | if ((x = log_facility_from_string(rvalue)) < 0) { |
552 | log_error("[%s:%u] Failed to parse log facility: %s", filename, line, rvalue); | |
553 | return -EBADMSG; | |
554 | } | |
94f04347 LP |
555 | |
556 | *o = LOG_MAKEPRI(x, LOG_PRI(*o)); | |
071830ff LP |
557 | |
558 | return 0; | |
559 | } | |
560 | ||
47be870b | 561 | static int config_parse_level( |
071830ff LP |
562 | const char *filename, |
563 | unsigned line, | |
564 | const char *section, | |
565 | const char *lvalue, | |
566 | const char *rvalue, | |
567 | void *data, | |
568 | void *userdata) { | |
569 | ||
071830ff | 570 | |
94f04347 | 571 | int *o = data, x; |
071830ff LP |
572 | |
573 | assert(filename); | |
574 | assert(lvalue); | |
575 | assert(rvalue); | |
576 | assert(data); | |
577 | ||
0d87eb42 LP |
578 | if ((x = log_level_from_string(rvalue)) < 0) { |
579 | log_error("[%s:%u] Failed to parse log level: %s", filename, line, rvalue); | |
580 | return -EBADMSG; | |
581 | } | |
071830ff | 582 | |
94f04347 LP |
583 | *o = LOG_MAKEPRI(LOG_FAC(*o), x); |
584 | return 0; | |
585 | } | |
586 | ||
47be870b | 587 | static int config_parse_io_class( |
94f04347 LP |
588 | const char *filename, |
589 | unsigned line, | |
590 | const char *section, | |
591 | const char *lvalue, | |
592 | const char *rvalue, | |
593 | void *data, | |
594 | void *userdata) { | |
595 | ||
596 | ExecContext *c = data; | |
597 | int x; | |
598 | ||
599 | assert(filename); | |
600 | assert(lvalue); | |
601 | assert(rvalue); | |
602 | assert(data); | |
603 | ||
0d87eb42 LP |
604 | if ((x = ioprio_class_from_string(rvalue)) < 0) { |
605 | log_error("[%s:%u] Failed to parse IO scheduling class: %s", filename, line, rvalue); | |
606 | return -EBADMSG; | |
607 | } | |
94f04347 LP |
608 | |
609 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
610 | c->ioprio_set = true; | |
611 | ||
612 | return 0; | |
613 | } | |
614 | ||
47be870b | 615 | static int config_parse_io_priority( |
94f04347 LP |
616 | const char *filename, |
617 | unsigned line, | |
618 | const char *section, | |
619 | const char *lvalue, | |
620 | const char *rvalue, | |
621 | void *data, | |
622 | void *userdata) { | |
623 | ||
624 | ExecContext *c = data; | |
625 | int i; | |
626 | ||
627 | assert(filename); | |
628 | assert(lvalue); | |
629 | assert(rvalue); | |
630 | assert(data); | |
631 | ||
632 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
633 | log_error("[%s:%u] Failed to parse io priority: %s", filename, line, rvalue); | |
634 | return -EBADMSG; | |
071830ff LP |
635 | } |
636 | ||
94f04347 LP |
637 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
638 | c->ioprio_set = true; | |
639 | ||
071830ff LP |
640 | return 0; |
641 | } | |
642 | ||
47be870b | 643 | static int config_parse_cpu_sched_policy( |
9eba9da4 LP |
644 | const char *filename, |
645 | unsigned line, | |
646 | const char *section, | |
647 | const char *lvalue, | |
648 | const char *rvalue, | |
649 | void *data, | |
650 | void *userdata) { | |
651 | ||
94f04347 LP |
652 | |
653 | ExecContext *c = data; | |
654 | int x; | |
655 | ||
656 | assert(filename); | |
657 | assert(lvalue); | |
658 | assert(rvalue); | |
659 | assert(data); | |
660 | ||
0d87eb42 LP |
661 | if ((x = sched_policy_from_string(rvalue)) < 0) { |
662 | log_error("[%s:%u] Failed to parse CPU scheduling policy: %s", filename, line, rvalue); | |
663 | return -EBADMSG; | |
664 | } | |
94f04347 LP |
665 | |
666 | c->cpu_sched_policy = x; | |
667 | c->cpu_sched_set = true; | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
47be870b | 672 | static int config_parse_cpu_sched_prio( |
94f04347 LP |
673 | const char *filename, |
674 | unsigned line, | |
675 | const char *section, | |
676 | const char *lvalue, | |
677 | const char *rvalue, | |
678 | void *data, | |
679 | void *userdata) { | |
9eba9da4 LP |
680 | |
681 | ExecContext *c = data; | |
682 | int i; | |
683 | ||
684 | assert(filename); | |
685 | assert(lvalue); | |
686 | assert(rvalue); | |
687 | assert(data); | |
688 | ||
94f04347 LP |
689 | /* On Linux RR/FIFO have the same range */ |
690 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
691 | log_error("[%s:%u] Failed to parse CPU scheduling priority: %s", filename, line, rvalue); | |
692 | return -EBADMSG; | |
693 | } | |
9eba9da4 | 694 | |
94f04347 LP |
695 | c->cpu_sched_priority = i; |
696 | c->cpu_sched_set = true; | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
47be870b | 701 | static int config_parse_cpu_affinity( |
94f04347 LP |
702 | const char *filename, |
703 | unsigned line, | |
704 | const char *section, | |
705 | const char *lvalue, | |
706 | const char *rvalue, | |
707 | void *data, | |
708 | void *userdata) { | |
709 | ||
710 | ExecContext *c = data; | |
711 | char *w; | |
712 | size_t l; | |
713 | char *state; | |
714 | ||
715 | assert(filename); | |
716 | assert(lvalue); | |
717 | assert(rvalue); | |
718 | assert(data); | |
719 | ||
f62c0e4f | 720 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
721 | char *t; |
722 | int r; | |
723 | unsigned cpu; | |
724 | ||
725 | if (!(t = strndup(w, l))) | |
726 | return -ENOMEM; | |
727 | ||
728 | r = safe_atou(t, &cpu); | |
729 | free(t); | |
730 | ||
731 | if (r < 0 || cpu >= CPU_SETSIZE) { | |
732 | log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue); | |
733 | return -EBADMSG; | |
9eba9da4 | 734 | } |
94f04347 LP |
735 | |
736 | CPU_SET(cpu, &c->cpu_affinity); | |
9eba9da4 LP |
737 | } |
738 | ||
94f04347 | 739 | c->cpu_affinity_set = true; |
9eba9da4 | 740 | |
94f04347 LP |
741 | return 0; |
742 | } | |
743 | ||
47be870b | 744 | static int config_parse_capabilities( |
94f04347 LP |
745 | const char *filename, |
746 | unsigned line, | |
747 | const char *section, | |
748 | const char *lvalue, | |
749 | const char *rvalue, | |
750 | void *data, | |
751 | void *userdata) { | |
752 | ||
753 | ExecContext *c = data; | |
754 | cap_t cap; | |
755 | ||
756 | assert(filename); | |
757 | assert(lvalue); | |
758 | assert(rvalue); | |
759 | assert(data); | |
760 | ||
761 | if (!(cap = cap_from_text(rvalue))) { | |
762 | if (errno == ENOMEM) | |
763 | return -ENOMEM; | |
764 | ||
765 | log_error("[%s:%u] Failed to parse capabilities: %s", filename, line, rvalue); | |
766 | return -EBADMSG; | |
767 | } | |
768 | ||
769 | if (c->capabilities) | |
770 | cap_free(c->capabilities); | |
771 | c->capabilities = cap; | |
772 | ||
773 | return 0; | |
774 | } | |
775 | ||
47be870b | 776 | static int config_parse_secure_bits( |
94f04347 LP |
777 | const char *filename, |
778 | unsigned line, | |
779 | const char *section, | |
780 | const char *lvalue, | |
781 | const char *rvalue, | |
782 | void *data, | |
783 | void *userdata) { | |
784 | ||
785 | ExecContext *c = data; | |
786 | char *w; | |
787 | size_t l; | |
788 | char *state; | |
789 | ||
790 | assert(filename); | |
791 | assert(lvalue); | |
792 | assert(rvalue); | |
793 | assert(data); | |
794 | ||
f62c0e4f | 795 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
796 | if (first_word(w, "keep-caps")) |
797 | c->secure_bits |= SECURE_KEEP_CAPS; | |
798 | else if (first_word(w, "keep-caps-locked")) | |
799 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
800 | else if (first_word(w, "no-setuid-fixup")) | |
801 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
802 | else if (first_word(w, "no-setuid-fixup-locked")) | |
803 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
804 | else if (first_word(w, "noroot")) | |
805 | c->secure_bits |= SECURE_NOROOT; | |
806 | else if (first_word(w, "noroot-locked")) | |
807 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
9eba9da4 | 808 | else { |
94f04347 | 809 | log_error("[%s:%u] Failed to parse secure bits: %s", filename, line, rvalue); |
9eba9da4 LP |
810 | return -EBADMSG; |
811 | } | |
812 | } | |
813 | ||
94f04347 LP |
814 | return 0; |
815 | } | |
816 | ||
47be870b | 817 | static int config_parse_bounding_set( |
94f04347 LP |
818 | const char *filename, |
819 | unsigned line, | |
820 | const char *section, | |
821 | const char *lvalue, | |
822 | const char *rvalue, | |
823 | void *data, | |
824 | void *userdata) { | |
825 | ||
826 | ExecContext *c = data; | |
827 | char *w; | |
828 | size_t l; | |
829 | char *state; | |
830 | ||
831 | assert(filename); | |
832 | assert(lvalue); | |
833 | assert(rvalue); | |
834 | assert(data); | |
835 | ||
f62c0e4f | 836 | FOREACH_WORD(w, l, rvalue, state) { |
94f04347 LP |
837 | char *t; |
838 | int r; | |
839 | cap_value_t cap; | |
840 | ||
841 | if (!(t = strndup(w, l))) | |
842 | return -ENOMEM; | |
843 | ||
844 | r = cap_from_name(t, &cap); | |
845 | free(t); | |
846 | ||
847 | if (r < 0) { | |
848 | log_error("[%s:%u] Failed to parse capability bounding set: %s", filename, line, rvalue); | |
849 | return -EBADMSG; | |
850 | } | |
851 | ||
852 | c->capability_bounding_set_drop |= 1 << cap; | |
853 | } | |
9eba9da4 LP |
854 | |
855 | return 0; | |
856 | } | |
857 | ||
94f04347 | 858 | static int config_parse_timer_slack_ns( |
9eba9da4 LP |
859 | const char *filename, |
860 | unsigned line, | |
861 | const char *section, | |
862 | const char *lvalue, | |
863 | const char *rvalue, | |
864 | void *data, | |
865 | void *userdata) { | |
866 | ||
867 | ExecContext *c = data; | |
94f04347 LP |
868 | unsigned long u; |
869 | int r; | |
9eba9da4 LP |
870 | |
871 | assert(filename); | |
872 | assert(lvalue); | |
873 | assert(rvalue); | |
874 | assert(data); | |
875 | ||
94f04347 LP |
876 | if ((r = safe_atolu(rvalue, &u)) < 0) { |
877 | log_error("[%s:%u] Failed to parse time slack value: %s", filename, line, rvalue); | |
878 | return r; | |
9eba9da4 LP |
879 | } |
880 | ||
94f04347 LP |
881 | c->timer_slack_ns = u; |
882 | ||
883 | return 0; | |
884 | } | |
885 | ||
886 | static int config_parse_limit( | |
887 | const char *filename, | |
888 | unsigned line, | |
889 | const char *section, | |
890 | const char *lvalue, | |
891 | const char *rvalue, | |
892 | void *data, | |
893 | void *userdata) { | |
894 | ||
895 | struct rlimit **rl = data; | |
896 | unsigned long long u; | |
897 | int r; | |
898 | ||
899 | assert(filename); | |
900 | assert(lvalue); | |
901 | assert(rvalue); | |
902 | assert(data); | |
903 | ||
904 | if ((r = safe_atollu(rvalue, &u)) < 0) { | |
905 | log_error("[%s:%u] Failed to parse resource value: %s", filename, line, rvalue); | |
906 | return r; | |
907 | } | |
908 | ||
909 | if (!*rl) | |
910 | if (!(*rl = new(struct rlimit, 1))) | |
911 | return -ENOMEM; | |
9eba9da4 | 912 | |
94f04347 | 913 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
914 | return 0; |
915 | } | |
916 | ||
8e274523 LP |
917 | static int config_parse_cgroup( |
918 | const char *filename, | |
919 | unsigned line, | |
920 | const char *section, | |
921 | const char *lvalue, | |
922 | const char *rvalue, | |
923 | void *data, | |
924 | void *userdata) { | |
925 | ||
926 | Unit *u = userdata; | |
927 | char *w; | |
928 | size_t l; | |
929 | char *state; | |
930 | ||
931 | FOREACH_WORD(w, l, rvalue, state) { | |
932 | char *t; | |
933 | int r; | |
934 | ||
935 | if (!(t = strndup(w, l))) | |
936 | return -ENOMEM; | |
937 | ||
938 | r = unit_add_cgroup_from_text(u, t); | |
939 | free(t); | |
940 | ||
941 | if (r < 0) | |
942 | return r; | |
943 | } | |
944 | ||
945 | return 0; | |
946 | } | |
947 | ||
a9a1e00a LP |
948 | static int config_parse_sysv_priority( |
949 | const char *filename, | |
950 | unsigned line, | |
951 | const char *section, | |
952 | const char *lvalue, | |
953 | const char *rvalue, | |
954 | void *data, | |
955 | void *userdata) { | |
956 | ||
957 | int *priority = data; | |
958 | int r, i; | |
959 | ||
960 | assert(filename); | |
961 | assert(lvalue); | |
962 | assert(rvalue); | |
963 | assert(data); | |
964 | ||
965 | if ((r = safe_atoi(rvalue, &i)) < 0 || i < 0) { | |
966 | log_error("[%s:%u] Failed to parse SysV start priority: %s", filename, line, rvalue); | |
967 | return r; | |
968 | } | |
969 | ||
970 | *priority = (int) i; | |
971 | return 0; | |
972 | } | |
973 | ||
0d87eb42 | 974 | DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); |
50159e6a | 975 | |
15ae422b LP |
976 | static int config_parse_mount_flags( |
977 | const char *filename, | |
978 | unsigned line, | |
979 | const char *section, | |
980 | const char *lvalue, | |
981 | const char *rvalue, | |
982 | void *data, | |
983 | void *userdata) { | |
984 | ||
985 | ExecContext *c = data; | |
986 | char *w; | |
987 | size_t l; | |
988 | char *state; | |
989 | unsigned long flags = 0; | |
990 | ||
991 | assert(filename); | |
992 | assert(lvalue); | |
993 | assert(rvalue); | |
994 | assert(data); | |
995 | ||
996 | FOREACH_WORD(w, l, rvalue, state) { | |
997 | if (strncmp(w, "shared", l) == 0) | |
998 | flags |= MS_SHARED; | |
999 | else if (strncmp(w, "slave", l) == 0) | |
1000 | flags |= MS_SLAVE; | |
1001 | else if (strncmp(w, "private", l) == 0) | |
1002 | flags |= MS_PRIVATE; | |
1003 | else { | |
1004 | log_error("[%s:%u] Failed to parse mount flags: %s", filename, line, rvalue); | |
1005 | return -EINVAL; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | c->mount_flags = flags; | |
1010 | return 0; | |
1011 | } | |
1012 | ||
871d7de4 LP |
1013 | static int config_parse_timer( |
1014 | const char *filename, | |
1015 | unsigned line, | |
1016 | const char *section, | |
1017 | const char *lvalue, | |
1018 | const char *rvalue, | |
1019 | void *data, | |
1020 | void *userdata) { | |
1021 | ||
1022 | Timer *t = data; | |
1023 | usec_t u; | |
1024 | int r; | |
1025 | TimerValue *v; | |
1026 | TimerBase b; | |
1027 | ||
1028 | assert(filename); | |
1029 | assert(lvalue); | |
1030 | assert(rvalue); | |
1031 | assert(data); | |
1032 | ||
1033 | if ((b = timer_base_from_string(lvalue)) < 0) { | |
1034 | log_error("[%s:%u] Failed to parse timer base: %s", filename, line, lvalue); | |
1035 | return -EINVAL; | |
1036 | } | |
1037 | ||
1038 | if ((r = parse_usec(rvalue, &u)) < 0) { | |
1039 | log_error("[%s:%u] Failed to parse timer value: %s", filename, line, rvalue); | |
1040 | return r; | |
1041 | } | |
1042 | ||
1043 | if (!(v = new0(TimerValue, 1))) | |
1044 | return -ENOMEM; | |
1045 | ||
1046 | v->base = b; | |
1047 | v->value = u; | |
1048 | ||
1049 | LIST_PREPEND(TimerValue, value, t->values, v); | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
1054 | static int config_parse_timer_unit( | |
1055 | const char *filename, | |
1056 | unsigned line, | |
1057 | const char *section, | |
1058 | const char *lvalue, | |
1059 | const char *rvalue, | |
1060 | void *data, | |
1061 | void *userdata) { | |
1062 | ||
1063 | Timer *t = data; | |
1064 | int r; | |
1065 | ||
1066 | if (endswith(rvalue, ".timer")) { | |
1067 | log_error("[%s:%u] Unit cannot be of type timer: %s", filename, line, rvalue); | |
1068 | return -EINVAL; | |
1069 | } | |
1070 | ||
1071 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { | |
1072 | log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); | |
1073 | return r; | |
1074 | } | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
01f78473 LP |
1079 | static int config_parse_path_spec( |
1080 | const char *filename, | |
1081 | unsigned line, | |
1082 | const char *section, | |
1083 | const char *lvalue, | |
1084 | const char *rvalue, | |
1085 | void *data, | |
1086 | void *userdata) { | |
1087 | ||
1088 | Path *p = data; | |
1089 | PathSpec *s; | |
1090 | PathType b; | |
1091 | ||
1092 | assert(filename); | |
1093 | assert(lvalue); | |
1094 | assert(rvalue); | |
1095 | assert(data); | |
1096 | ||
1097 | if ((b = path_type_from_string(lvalue)) < 0) { | |
1098 | log_error("[%s:%u] Failed to parse path type: %s", filename, line, lvalue); | |
1099 | return -EINVAL; | |
1100 | } | |
1101 | ||
1102 | if (!path_is_absolute(rvalue)) { | |
1103 | log_error("[%s:%u] Path is not absolute: %s", filename, line, rvalue); | |
1104 | return -EINVAL; | |
1105 | } | |
1106 | ||
1107 | if (!(s = new0(PathSpec, 1))) | |
1108 | return -ENOMEM; | |
1109 | ||
1110 | if (!(s->path = strdup(rvalue))) { | |
1111 | free(s); | |
1112 | return -ENOMEM; | |
1113 | } | |
1114 | ||
1115 | path_kill_slashes(s->path); | |
1116 | ||
1117 | s->type = b; | |
1118 | s->inotify_fd = -1; | |
1119 | ||
1120 | LIST_PREPEND(PathSpec, spec, p->specs, s); | |
1121 | ||
1122 | return 0; | |
1123 | } | |
1124 | ||
1125 | static int config_parse_path_unit( | |
1126 | const char *filename, | |
1127 | unsigned line, | |
1128 | const char *section, | |
1129 | const char *lvalue, | |
1130 | const char *rvalue, | |
1131 | void *data, | |
1132 | void *userdata) { | |
1133 | ||
1134 | Path *t = data; | |
1135 | int r; | |
1136 | ||
1137 | if (endswith(rvalue, ".path")) { | |
1138 | log_error("[%s:%u] Unit cannot be of type path: %s", filename, line, rvalue); | |
1139 | return -EINVAL; | |
1140 | } | |
1141 | ||
1142 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &t->unit)) < 0) { | |
1143 | log_error("[%s:%u] Failed to load unit: %s", filename, line, rvalue); | |
1144 | return r; | |
1145 | } | |
1146 | ||
1147 | return 0; | |
1148 | } | |
1149 | ||
ddb26e18 LP |
1150 | static int config_parse_env_file( |
1151 | const char *filename, | |
1152 | unsigned line, | |
1153 | const char *section, | |
1154 | const char *lvalue, | |
1155 | const char *rvalue, | |
1156 | void *data, | |
1157 | void *userdata) { | |
1158 | ||
1159 | FILE *f; | |
1160 | int r; | |
1161 | char ***env = data; | |
1162 | ||
1163 | assert(filename); | |
1164 | assert(lvalue); | |
1165 | assert(rvalue); | |
1166 | assert(data); | |
1167 | ||
1168 | if (!(f = fopen(rvalue, "re"))) { | |
1169 | log_error("[%s:%u] Failed to open environment file '%s': %m", filename, line, rvalue); | |
1170 | return -errno; | |
1171 | } | |
1172 | ||
1173 | while (!feof(f)) { | |
1174 | char l[LINE_MAX], *p; | |
1175 | char **t; | |
1176 | ||
1177 | if (!fgets(l, sizeof(l), f)) { | |
1178 | if (feof(f)) | |
1179 | break; | |
1180 | ||
1181 | r = -errno; | |
1182 | log_error("[%s:%u] Failed to read environment file '%s': %m", filename, line, rvalue); | |
1183 | goto finish; | |
1184 | } | |
1185 | ||
1186 | p = strstrip(l); | |
1187 | ||
1188 | if (!*p) | |
1189 | continue; | |
1190 | ||
1191 | if (strchr(COMMENTS, *p)) | |
1192 | continue; | |
1193 | ||
1194 | t = strv_env_set(*env, p); | |
1195 | strv_free(*env); | |
1196 | *env = t; | |
1197 | } | |
1198 | ||
1199 | r = 0; | |
1200 | ||
1201 | finish: | |
1202 | if (f) | |
1203 | fclose(f); | |
1204 | ||
1205 | return r; | |
1206 | } | |
1207 | ||
c952c6ec LP |
1208 | DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier"); |
1209 | ||
071830ff | 1210 | #define FOLLOW_MAX 8 |
87f0e418 | 1211 | |
9e2f7c11 | 1212 | static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { |
0301abf4 | 1213 | unsigned c = 0; |
87f0e418 LP |
1214 | int fd, r; |
1215 | FILE *f; | |
0301abf4 | 1216 | char *id = NULL; |
87f0e418 LP |
1217 | |
1218 | assert(filename); | |
1219 | assert(*filename); | |
1220 | assert(_f); | |
1221 | assert(names); | |
1222 | ||
0301abf4 LP |
1223 | /* This will update the filename pointer if the loaded file is |
1224 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 1225 | |
0301abf4 | 1226 | for (;;) { |
2c7108c4 | 1227 | char *target, *name; |
87f0e418 | 1228 | |
0301abf4 LP |
1229 | if (c++ >= FOLLOW_MAX) |
1230 | return -ELOOP; | |
1231 | ||
b08d03ff LP |
1232 | path_kill_slashes(*filename); |
1233 | ||
87f0e418 LP |
1234 | /* Add the file name we are currently looking at to |
1235 | * the names of this unit */ | |
0301abf4 LP |
1236 | name = file_name_from_path(*filename); |
1237 | if (!(id = set_get(names, name))) { | |
87f0e418 | 1238 | |
0301abf4 LP |
1239 | if (!(id = strdup(name))) |
1240 | return -ENOMEM; | |
87f0e418 | 1241 | |
0301abf4 LP |
1242 | if ((r = set_put(names, id)) < 0) { |
1243 | free(id); | |
1244 | return r; | |
87f0e418 | 1245 | } |
87f0e418 LP |
1246 | } |
1247 | ||
0301abf4 LP |
1248 | /* Try to open the file name, but don't if its a symlink */ |
1249 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
87f0e418 LP |
1250 | break; |
1251 | ||
0301abf4 LP |
1252 | if (errno != ELOOP) |
1253 | return -errno; | |
1254 | ||
87f0e418 | 1255 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
2c7108c4 | 1256 | if ((r = readlink_and_make_absolute(*filename, &target)) < 0) |
0301abf4 | 1257 | return r; |
87f0e418 | 1258 | |
0301abf4 | 1259 | free(*filename); |
2c7108c4 | 1260 | *filename = target; |
87f0e418 LP |
1261 | } |
1262 | ||
1263 | if (!(f = fdopen(fd, "r"))) { | |
1264 | r = -errno; | |
9e2f7c11 | 1265 | close_nointr_nofail(fd); |
0301abf4 | 1266 | return r; |
87f0e418 LP |
1267 | } |
1268 | ||
1269 | *_f = f; | |
9e2f7c11 | 1270 | *_final = id; |
0301abf4 | 1271 | return 0; |
87f0e418 LP |
1272 | } |
1273 | ||
23a177ef LP |
1274 | static int merge_by_names(Unit **u, Set *names, const char *id) { |
1275 | char *k; | |
1276 | int r; | |
1277 | ||
1278 | assert(u); | |
1279 | assert(*u); | |
1280 | assert(names); | |
1281 | ||
1282 | /* Let's try to add in all symlink names we found */ | |
1283 | while ((k = set_steal_first(names))) { | |
1284 | ||
1285 | /* First try to merge in the other name into our | |
1286 | * unit */ | |
1287 | if ((r = unit_merge_by_name(*u, k)) < 0) { | |
1288 | Unit *other; | |
1289 | ||
1290 | /* Hmm, we couldn't merge the other unit into | |
1291 | * ours? Then let's try it the other way | |
1292 | * round */ | |
1293 | ||
1294 | other = manager_get_unit((*u)->meta.manager, k); | |
1295 | free(k); | |
1296 | ||
1297 | if (other) | |
1298 | if ((r = unit_merge(other, *u)) >= 0) { | |
1299 | *u = other; | |
1300 | return merge_by_names(u, names, NULL); | |
1301 | } | |
1302 | ||
1303 | return r; | |
1304 | } | |
1305 | ||
1306 | if (id == k) | |
1307 | unit_choose_id(*u, id); | |
1308 | ||
1309 | free(k); | |
1310 | } | |
1311 | ||
1312 | return 0; | |
1313 | } | |
1314 | ||
e537352b LP |
1315 | static void dump_items(FILE *f, const ConfigItem *items) { |
1316 | const ConfigItem *i; | |
1317 | const char *prev_section = NULL; | |
1318 | bool not_first = false; | |
1319 | ||
1320 | struct { | |
1321 | ConfigParserCallback callback; | |
1322 | const char *rvalue; | |
1323 | } table[] = { | |
1324 | { config_parse_int, "INTEGER" }, | |
1325 | { config_parse_unsigned, "UNSIGNED" }, | |
1326 | { config_parse_size, "SIZE" }, | |
1327 | { config_parse_bool, "BOOLEAN" }, | |
1328 | { config_parse_string, "STRING" }, | |
1329 | { config_parse_path, "PATH" }, | |
1330 | { config_parse_strv, "STRING [...]" }, | |
1331 | { config_parse_nice, "NICE" }, | |
1332 | { config_parse_oom_adjust, "OOMADJUST" }, | |
1333 | { config_parse_io_class, "IOCLASS" }, | |
1334 | { config_parse_io_priority, "IOPRIORITY" }, | |
1335 | { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
1336 | { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
1337 | { config_parse_cpu_affinity, "CPUAFFINITY" }, | |
1338 | { config_parse_mode, "MODE" }, | |
ddb26e18 | 1339 | { config_parse_env_file, "FILE" }, |
e537352b LP |
1340 | { config_parse_output, "OUTPUT" }, |
1341 | { config_parse_input, "INPUT" }, | |
1342 | { config_parse_facility, "FACILITY" }, | |
1343 | { config_parse_level, "LEVEL" }, | |
1344 | { config_parse_capabilities, "CAPABILITIES" }, | |
1345 | { config_parse_secure_bits, "SECUREBITS" }, | |
1346 | { config_parse_bounding_set, "BOUNDINGSET" }, | |
1347 | { config_parse_timer_slack_ns, "TIMERSLACK" }, | |
1348 | { config_parse_limit, "LIMIT" }, | |
1349 | { config_parse_cgroup, "CGROUP [...]" }, | |
1350 | { config_parse_deps, "UNIT [...]" }, | |
1351 | { config_parse_names, "UNIT [...]" }, | |
1352 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, | |
1353 | { config_parse_service_type, "SERVICETYPE" }, | |
1354 | { config_parse_service_restart, "SERVICERESTART" }, | |
1355 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
1356 | { config_parse_kill_mode, "KILLMODE" }, | |
1357 | { config_parse_listen, "SOCKET [...]" }, | |
1358 | { config_parse_socket_bind, "SOCKETBIND" }, | |
93ef5e80 LP |
1359 | { config_parse_bindtodevice, "NETWORKINTERFACE" }, |
1360 | { config_parse_usec, "SECONDS" }, | |
1361 | { config_parse_path_strv, "PATH [...]" }, | |
932921b5 | 1362 | { config_parse_mount_flags, "MOUNTFLAG [...]" }, |
f2d3769a | 1363 | { config_parse_string_printf, "STRING" }, |
871d7de4 LP |
1364 | { config_parse_timer, "TIMER" }, |
1365 | { config_parse_timer_unit, "NAME" }, | |
c952c6ec LP |
1366 | { config_parse_path_spec, "PATH" }, |
1367 | { config_parse_path_unit, "UNIT" }, | |
1368 | { config_parse_notify_access, "ACCESS" } | |
e537352b LP |
1369 | }; |
1370 | ||
1371 | assert(f); | |
1372 | assert(items); | |
1373 | ||
1374 | for (i = items; i->lvalue; i++) { | |
1375 | unsigned j; | |
1376 | const char *rvalue = "OTHER"; | |
1377 | ||
1378 | if (!streq_ptr(i->section, prev_section)) { | |
1379 | if (!not_first) | |
1380 | not_first = true; | |
1381 | else | |
1382 | fputc('\n', f); | |
1383 | ||
1384 | fprintf(f, "[%s]\n", i->section); | |
1385 | prev_section = i->section; | |
1386 | } | |
1387 | ||
1388 | for (j = 0; j < ELEMENTSOF(table); j++) | |
1389 | if (i->parse == table[j].callback) { | |
1390 | rvalue = table[j].rvalue; | |
1391 | break; | |
1392 | } | |
1393 | ||
1394 | fprintf(f, "%s=%s\n", i->lvalue, rvalue); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | static int load_from_path(Unit *u, const char *path) { | |
87f0e418 LP |
1399 | |
1400 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1401 | [UNIT_SERVICE] = "Service", | |
1402 | [UNIT_TIMER] = "Timer", | |
1403 | [UNIT_SOCKET] = "Socket", | |
1404 | [UNIT_TARGET] = "Target", | |
1405 | [UNIT_DEVICE] = "Device", | |
1406 | [UNIT_MOUNT] = "Mount", | |
1407 | [UNIT_AUTOMOUNT] = "Automount", | |
07b0b134 | 1408 | [UNIT_SNAPSHOT] = "Snapshot", |
01f78473 LP |
1409 | [UNIT_SWAP] = "Swap", |
1410 | [UNIT_PATH] = "Path" | |
42f4e3c4 LP |
1411 | }; |
1412 | ||
034c6ed7 | 1413 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ |
9eba9da4 LP |
1414 | { "WorkingDirectory", config_parse_path, &(context).working_directory, section }, \ |
1415 | { "RootDirectory", config_parse_path, &(context).root_directory, section }, \ | |
f2d3769a LP |
1416 | { "User", config_parse_string_printf, &(context).user, section }, \ |
1417 | { "Group", config_parse_string_printf, &(context).group, section }, \ | |
1c01f82b | 1418 | { "SupplementaryGroups", config_parse_strv, &(context).supplementary_groups, section }, \ |
fb33a393 LP |
1419 | { "Nice", config_parse_nice, &(context), section }, \ |
1420 | { "OOMAdjust", config_parse_oom_adjust, &(context), section }, \ | |
9eba9da4 | 1421 | { "IOSchedulingClass", config_parse_io_class, &(context), section }, \ |
94f04347 LP |
1422 | { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ |
1423 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ | |
1424 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ | |
38b48754 | 1425 | { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ |
94f04347 | 1426 | { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ |
b5a0699f | 1427 | { "UMask", config_parse_mode, &(context).umask, section }, \ |
071830ff | 1428 | { "Environment", config_parse_strv, &(context).environment, section }, \ |
ddb26e18 | 1429 | { "EnvironmentFile", config_parse_env_file, &(context).environment, section }, \ |
80876c20 LP |
1430 | { "StandardInput", config_parse_input, &(context).std_input, section }, \ |
1431 | { "StandardOutput", config_parse_output, &(context).std_output, section }, \ | |
a4ddf827 | 1432 | { "StandardError", config_parse_output, &(context).std_error, section }, \ |
80876c20 | 1433 | { "TTYPath", config_parse_path, &(context).tty_path, section }, \ |
f2d3769a | 1434 | { "SyslogIdentifier", config_parse_string_printf, &(context).syslog_identifier, section }, \ |
071830ff | 1435 | { "SyslogFacility", config_parse_facility, &(context).syslog_priority, section }, \ |
94f04347 | 1436 | { "SyslogLevel", config_parse_level, &(context).syslog_priority, section }, \ |
4f4a1dbf | 1437 | { "SyslogNoPrefix", config_parse_bool, &(context).syslog_no_prefix, section }, \ |
94f04347 LP |
1438 | { "Capabilities", config_parse_capabilities, &(context), section }, \ |
1439 | { "SecureBits", config_parse_secure_bits, &(context), section }, \ | |
1440 | { "CapabilityBoundingSetDrop", config_parse_bounding_set, &(context), section }, \ | |
1441 | { "TimerSlackNS", config_parse_timer_slack_ns, &(context), section }, \ | |
1442 | { "LimitCPU", config_parse_limit, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1443 | { "LimitFSIZE", config_parse_limit, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1444 | { "LimitDATA", config_parse_limit, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1445 | { "LimitSTACK", config_parse_limit, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1446 | { "LimitCORE", config_parse_limit, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1447 | { "LimitRSS", config_parse_limit, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1448 | { "LimitNOFILE", config_parse_limit, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1449 | { "LimitAS", config_parse_limit, &(context).rlimit[RLIMIT_AS], section }, \ | |
1450 | { "LimitNPROC", config_parse_limit, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1451 | { "LimitMEMLOCK", config_parse_limit, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1452 | { "LimitLOCKS", config_parse_limit, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1453 | { "LimitSIGPENDING", config_parse_limit, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1454 | { "LimitMSGQUEUE", config_parse_limit, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1455 | { "LimitNICE", config_parse_limit, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1456 | { "LimitRTPRIO", config_parse_limit, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
451a074f | 1457 | { "LimitRTTIME", config_parse_limit, &(context).rlimit[RLIMIT_RTTIME], section }, \ |
15ae422b LP |
1458 | { "ControlGroup", config_parse_cgroup, u, section }, \ |
1459 | { "ReadWriteDirectories", config_parse_path_strv, &(context).read_write_dirs, section }, \ | |
1460 | { "ReadOnlyDirectories", config_parse_path_strv, &(context).read_only_dirs, section }, \ | |
1461 | { "InaccessibleDirectories",config_parse_path_strv, &(context).inaccessible_dirs, section }, \ | |
1462 | { "PrivateTmp", config_parse_bool, &(context).private_tmp, section }, \ | |
df1f0afe | 1463 | { "MountFlags", config_parse_mount_flags, &(context), section }, \ |
f2d3769a LP |
1464 | { "TCPWrapName", config_parse_string_printf, &(context).tcpwrap_name, section }, \ |
1465 | { "PAMName", config_parse_string_printf, &(context).pam_name, section } | |
034c6ed7 | 1466 | |
3efd4195 | 1467 | const ConfigItem items[] = { |
09477267 | 1468 | { "Names", config_parse_names, u, "Unit" }, |
f2d3769a | 1469 | { "Description", config_parse_string_printf, &u->meta.description, "Unit" }, |
09477267 LP |
1470 | { "Requires", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES), "Unit" }, |
1471 | { "RequiresOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" }, | |
1472 | { "Requisite", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE), "Unit" }, | |
1473 | { "RequisiteOverridable", config_parse_deps, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" }, | |
1474 | { "Wants", config_parse_deps, UINT_TO_PTR(UNIT_WANTS), "Unit" }, | |
1475 | { "Conflicts", config_parse_deps, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" }, | |
1476 | { "Before", config_parse_deps, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, | |
1477 | { "After", config_parse_deps, UINT_TO_PTR(UNIT_AFTER), "Unit" }, | |
1478 | { "RecursiveStop", config_parse_bool, &u->meta.recursive_stop, "Unit" }, | |
1479 | { "StopWhenUnneeded", config_parse_bool, &u->meta.stop_when_unneeded, "Unit" }, | |
bc0f8771 | 1480 | { "OnlyByDependency", config_parse_bool, &u->meta.only_by_dependency, "Unit" }, |
1c01f82b LP |
1481 | |
1482 | { "PIDFile", config_parse_path, &u->service.pid_file, "Service" }, | |
1483 | { "ExecStartPre", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1484 | { "ExecStart", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1485 | { "ExecStartPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1486 | { "ExecReload", config_parse_exec, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1487 | { "ExecStop", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1488 | { "ExecStopPost", config_parse_exec, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1489 | { "RestartSec", config_parse_usec, &u->service.restart_usec, "Service" }, | |
1490 | { "TimeoutSec", config_parse_usec, &u->service.timeout_usec, "Service" }, | |
0d87eb42 LP |
1491 | { "Type", config_parse_service_type, &u->service.type, "Service" }, |
1492 | { "Restart", config_parse_service_restart, &u->service.restart, "Service" }, | |
81a2b7ce LP |
1493 | { "PermissionsStartOnly", config_parse_bool, &u->service.permissions_start_only, "Service" }, |
1494 | { "RootDirectoryStartOnly", config_parse_bool, &u->service.root_directory_start_only, "Service" }, | |
8e274523 | 1495 | { "ValidNoProcess", config_parse_bool, &u->service.valid_no_process, "Service" }, |
a9a1e00a | 1496 | { "SysVStartPriority", config_parse_sysv_priority, &u->service.sysv_start_priority, "Service" }, |
50159e6a | 1497 | { "KillMode", config_parse_kill_mode, &u->service.kill_mode, "Service" }, |
b778d555 | 1498 | { "NonBlocking", config_parse_bool, &u->service.exec_context.non_blocking, "Service" }, |
f2d3769a | 1499 | { "BusName", config_parse_string_printf, &u->service.bus_name, "Service" }, |
c952c6ec | 1500 | { "NotifyAccess", config_parse_notify_access, &u->service.notify_access, "Service" }, |
87f0e418 LP |
1501 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), |
1502 | ||
1c01f82b LP |
1503 | { "ListenStream", config_parse_listen, &u->socket, "Socket" }, |
1504 | { "ListenDatagram", config_parse_listen, &u->socket, "Socket" }, | |
1505 | { "ListenSequentialPacket", config_parse_listen, &u->socket, "Socket" }, | |
1506 | { "ListenFIFO", config_parse_listen, &u->socket, "Socket" }, | |
1507 | { "BindIPv6Only", config_parse_socket_bind, &u->socket, "Socket" }, | |
1508 | { "Backlog", config_parse_unsigned, &u->socket.backlog, "Socket" }, | |
acbb0225 | 1509 | { "BindToDevice", config_parse_bindtodevice, &u->socket, "Socket" }, |
1c01f82b LP |
1510 | { "ExecStartPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, |
1511 | { "ExecStartPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1512 | { "ExecStopPre", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
1513 | { "ExecStopPost", config_parse_exec, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
108736d0 | 1514 | { "TimeoutSec", config_parse_usec, &u->socket.timeout_usec, "Socket" }, |
b5a0699f LP |
1515 | { "DirectoryMode", config_parse_mode, &u->socket.directory_mode, "Socket" }, |
1516 | { "SocketMode", config_parse_mode, &u->socket.socket_mode, "Socket" }, | |
50159e6a | 1517 | { "KillMode", config_parse_kill_mode, &u->socket.kill_mode, "Socket" }, |
4f2d528d | 1518 | { "Accept", config_parse_bool, &u->socket.accept, "Socket" }, |
6cf6bbc2 | 1519 | { "MaxConnections", config_parse_unsigned, &u->socket.max_connections, "Socket" }, |
87f0e418 LP |
1520 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), |
1521 | ||
e537352b LP |
1522 | { "What", config_parse_string, &u->mount.parameters_fragment.what, "Mount" }, |
1523 | { "Where", config_parse_path, &u->mount.where, "Mount" }, | |
1524 | { "Options", config_parse_string, &u->mount.parameters_fragment.options, "Mount" }, | |
1525 | { "Type", config_parse_string, &u->mount.parameters_fragment.fstype, "Mount" }, | |
1526 | { "TimeoutSec", config_parse_usec, &u->mount.timeout_usec, "Mount" }, | |
1527 | { "KillMode", config_parse_kill_mode, &u->mount.kill_mode, "Mount" }, | |
1528 | EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), | |
034c6ed7 | 1529 | |
8d567588 LP |
1530 | { "Where", config_parse_path, &u->automount.where, "Automount" }, |
1531 | ||
01f78473 LP |
1532 | { "What", config_parse_path, &u->swap.parameters_fragment.what, "Swap" }, |
1533 | { "Priority", config_parse_int, &u->swap.parameters_fragment.priority, "Swap" }, | |
1534 | ||
1535 | { "OnActive", config_parse_timer, &u->timer, "Timer" }, | |
1536 | { "OnBoot", config_parse_timer, &u->timer, "Timer" }, | |
1537 | { "OnStartup", config_parse_timer, &u->timer, "Timer" }, | |
1538 | { "OnUnitActive", config_parse_timer, &u->timer, "Timer" }, | |
1539 | { "OnUnitInactive", config_parse_timer, &u->timer, "Timer" }, | |
1540 | { "Unit", config_parse_timer_unit, &u->timer, "Timer" }, | |
07b0b134 | 1541 | |
01f78473 LP |
1542 | { "PathExists", config_parse_path_spec, &u->path, "Path" }, |
1543 | { "PathChanged", config_parse_path_spec, &u->path, "Path" }, | |
1544 | { "DirectoryNotEmpty", config_parse_path_spec, &u->path, "Path" }, | |
1545 | { "Unit", config_parse_path_unit, &u->path, "Path" }, | |
871d7de4 | 1546 | |
10e87ee7 LP |
1547 | /* The [Install] section is ignored here. */ |
1548 | { "Alias", NULL, NULL, "Install" }, | |
1549 | { "WantedBy", NULL, NULL, "Install" }, | |
1550 | { "Also", NULL, NULL, "Install" }, | |
1551 | ||
3efd4195 LP |
1552 | { NULL, NULL, NULL, NULL } |
1553 | }; | |
1554 | ||
034c6ed7 | 1555 | #undef EXEC_CONTEXT_CONFIG_ITEMS |
42f4e3c4 | 1556 | |
10e87ee7 | 1557 | const char *sections[4]; |
0301abf4 | 1558 | int r; |
87f0e418 | 1559 | Set *symlink_names; |
23a177ef LP |
1560 | FILE *f = NULL; |
1561 | char *filename = NULL, *id = NULL; | |
1562 | Unit *merged; | |
1563 | ||
e537352b LP |
1564 | if (!u) { |
1565 | /* Dirty dirty hack. */ | |
1566 | dump_items((FILE*) path, items); | |
1567 | return 0; | |
1568 | } | |
1569 | ||
23a177ef | 1570 | assert(u); |
e537352b | 1571 | assert(path); |
3efd4195 | 1572 | |
09477267 | 1573 | sections[0] = "Unit"; |
87f0e418 | 1574 | sections[1] = section_table[u->meta.type]; |
10e87ee7 LP |
1575 | sections[2] = "Install"; |
1576 | sections[3] = NULL; | |
42f4e3c4 | 1577 | |
87f0e418 LP |
1578 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) |
1579 | return -ENOMEM; | |
3efd4195 | 1580 | |
036643a2 LP |
1581 | if (path_is_absolute(path)) { |
1582 | ||
1583 | if (!(filename = strdup(path))) { | |
1584 | r = -ENOMEM; | |
1585 | goto finish; | |
1586 | } | |
1587 | ||
1588 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1589 | free(filename); | |
1590 | filename = NULL; | |
1591 | ||
1592 | if (r != -ENOENT) | |
1593 | goto finish; | |
1594 | } | |
1595 | ||
1596 | } else { | |
1597 | char **p; | |
1598 | ||
84e3543e | 1599 | STRV_FOREACH(p, u->meta.manager->lookup_paths.unit_path) { |
036643a2 LP |
1600 | |
1601 | /* Instead of opening the path right away, we manually | |
1602 | * follow all symlinks and add their name to our unit | |
1603 | * name set while doing so */ | |
1604 | if (!(filename = path_make_absolute(path, *p))) { | |
1605 | r = -ENOMEM; | |
1606 | goto finish; | |
1607 | } | |
1608 | ||
1609 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
1610 | char *sn; | |
1611 | ||
1612 | free(filename); | |
1613 | filename = NULL; | |
1614 | ||
1615 | if (r != -ENOENT) | |
1616 | goto finish; | |
1617 | ||
1618 | /* Empty the symlink names for the next run */ | |
1619 | while ((sn = set_steal_first(symlink_names))) | |
1620 | free(sn); | |
3efd4195 | 1621 | |
036643a2 LP |
1622 | continue; |
1623 | } | |
1624 | ||
1625 | break; | |
1626 | } | |
1627 | } | |
034c6ed7 | 1628 | |
036643a2 | 1629 | if (!filename) { |
23a177ef | 1630 | r = 0; |
0301abf4 LP |
1631 | goto finish; |
1632 | } | |
87f0e418 | 1633 | |
23a177ef LP |
1634 | merged = u; |
1635 | if ((r = merge_by_names(&merged, symlink_names, id)) < 0) | |
0301abf4 | 1636 | goto finish; |
87f0e418 | 1637 | |
23a177ef | 1638 | if (merged != u) { |
e537352b | 1639 | u->meta.load_state = UNIT_MERGED; |
23a177ef LP |
1640 | r = 0; |
1641 | goto finish; | |
034c6ed7 LP |
1642 | } |
1643 | ||
23a177ef | 1644 | /* Now, parse the file contents */ |
10e87ee7 | 1645 | if ((r = config_parse(filename, f, sections, items, false, u)) < 0) |
23a177ef | 1646 | goto finish; |
b08d03ff | 1647 | |
6be1e7d5 LP |
1648 | free(u->meta.fragment_path); |
1649 | u->meta.fragment_path = filename; | |
0301abf4 | 1650 | filename = NULL; |
87f0e418 | 1651 | |
e537352b | 1652 | u->meta.load_state = UNIT_LOADED; |
23a177ef | 1653 | r = 0; |
87f0e418 LP |
1654 | |
1655 | finish: | |
53ec43c6 | 1656 | set_free_free(symlink_names); |
0301abf4 LP |
1657 | free(filename); |
1658 | ||
23a177ef LP |
1659 | if (f) |
1660 | fclose(f); | |
1661 | ||
0301abf4 LP |
1662 | return r; |
1663 | } | |
1664 | ||
e537352b | 1665 | int unit_load_fragment(Unit *u) { |
23a177ef | 1666 | int r; |
0301abf4 LP |
1667 | |
1668 | assert(u); | |
23a177ef LP |
1669 | |
1670 | if (u->meta.fragment_path) { | |
1671 | ||
e537352b | 1672 | if ((r = load_from_path(u, u->meta.fragment_path)) < 0) |
23a177ef | 1673 | return r; |
0301abf4 | 1674 | |
23a177ef | 1675 | } else { |
0301abf4 | 1676 | Iterator i; |
890f434c | 1677 | const char *t; |
0301abf4 | 1678 | |
890f434c | 1679 | /* Try to find the unit under its id */ |
9e2f7c11 LP |
1680 | if ((r = load_from_path(u, u->meta.id)) < 0) |
1681 | return r; | |
890f434c LP |
1682 | |
1683 | /* Try to find an alias we can load this with */ | |
e537352b | 1684 | if (u->meta.load_state == UNIT_STUB) |
23a177ef | 1685 | SET_FOREACH(t, u->meta.names, i) { |
87f0e418 | 1686 | |
9e2f7c11 | 1687 | if (t == u->meta.id) |
23a177ef | 1688 | continue; |
071830ff | 1689 | |
e537352b | 1690 | if ((r = load_from_path(u, t)) < 0) |
23a177ef | 1691 | return r; |
890f434c | 1692 | |
e537352b | 1693 | if (u->meta.load_state != UNIT_STUB) |
23a177ef LP |
1694 | break; |
1695 | } | |
9e2f7c11 LP |
1696 | |
1697 | /* Now, follow the same logic, but look for a template */ | |
1698 | if (u->meta.load_state == UNIT_STUB && u->meta.instance) { | |
1699 | char *k; | |
1700 | ||
1701 | if (!(k = unit_name_template(u->meta.id))) | |
1702 | return -ENOMEM; | |
1703 | ||
1704 | r = load_from_path(u, k); | |
1705 | free(k); | |
1706 | ||
1707 | if (r < 0) | |
1708 | return r; | |
1709 | ||
1710 | if (u->meta.load_state == UNIT_STUB) | |
1711 | SET_FOREACH(t, u->meta.names, i) { | |
1712 | ||
1713 | if (t == u->meta.id) | |
1714 | continue; | |
1715 | ||
1716 | if (!(k = unit_name_template(t))) | |
1717 | return -ENOMEM; | |
1718 | ||
1719 | r = load_from_path(u, k); | |
1720 | free(k); | |
1721 | ||
1722 | if (r < 0) | |
1723 | return r; | |
1724 | ||
1725 | if (u->meta.load_state != UNIT_STUB) | |
1726 | break; | |
1727 | } | |
1728 | } | |
071830ff LP |
1729 | } |
1730 | ||
23a177ef | 1731 | return 0; |
3efd4195 | 1732 | } |
e537352b LP |
1733 | |
1734 | void unit_dump_config_items(FILE *f) { | |
1735 | /* OK, this wins a prize for extreme ugliness. */ | |
1736 | ||
1737 | load_from_path(NULL, (const void*) f); | |
1738 | } |