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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ | |
2 | ||
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 | ||
22 | #include <linux/oom.h> | |
23 | #include <assert.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | #include <fcntl.h> | |
28 | #include <sched.h> | |
29 | #include <sys/prctl.h> | |
30 | #include <sys/mount.h> | |
31 | #include <linux/fs.h> | |
32 | #include <sys/stat.h> | |
33 | #include <sys/time.h> | |
34 | #include <sys/resource.h> | |
35 | ||
36 | #include "unit.h" | |
37 | #include "strv.h" | |
38 | #include "conf-parser.h" | |
39 | #include "load-fragment.h" | |
40 | #include "log.h" | |
41 | #include "ioprio.h" | |
42 | #include "securebits.h" | |
43 | #include "missing.h" | |
44 | #include "unit-name.h" | |
45 | #include "bus-errors.h" | |
46 | ||
47 | #ifndef HAVE_SYSV_COMPAT | |
48 | static int config_parse_warn_compat( | |
49 | const char *filename, | |
50 | unsigned line, | |
51 | const char *section, | |
52 | const char *lvalue, | |
53 | int ltype, | |
54 | const char *rvalue, | |
55 | void *data, | |
56 | void *userdata) { | |
57 | ||
58 | log_debug("[%s:%u] Support for option %s= has been disabled at compile time and is ignored", filename, line, lvalue); | |
59 | return 0; | |
60 | } | |
61 | #endif | |
62 | ||
63 | static int config_parse_deps( | |
64 | const char *filename, | |
65 | unsigned line, | |
66 | const char *section, | |
67 | const char *lvalue, | |
68 | int ltype, | |
69 | const char *rvalue, | |
70 | void *data, | |
71 | void *userdata) { | |
72 | ||
73 | UnitDependency d = PTR_TO_UINT(data); | |
74 | Unit *u = userdata; | |
75 | char *w; | |
76 | size_t l; | |
77 | char *state; | |
78 | ||
79 | assert(filename); | |
80 | assert(lvalue); | |
81 | assert(rvalue); | |
82 | ||
83 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
84 | char *t, *k; | |
85 | int r; | |
86 | ||
87 | if (!(t = strndup(w, l))) | |
88 | return -ENOMEM; | |
89 | ||
90 | k = unit_name_printf(u, t); | |
91 | free(t); | |
92 | ||
93 | if (!k) | |
94 | return -ENOMEM; | |
95 | ||
96 | r = unit_add_dependency_by_name(u, d, k, NULL, true); | |
97 | ||
98 | if (r < 0) { | |
99 | log_error("Failed to add dependency on %s, ignoring: %s", k, strerror(-r)); | |
100 | free(k); | |
101 | return 0; | |
102 | } | |
103 | ||
104 | free(k); | |
105 | } | |
106 | ||
107 | return 0; | |
108 | } | |
109 | ||
110 | static int config_parse_names( | |
111 | const char *filename, | |
112 | unsigned line, | |
113 | const char *section, | |
114 | const char *lvalue, | |
115 | int ltype, | |
116 | const char *rvalue, | |
117 | void *data, | |
118 | void *userdata) { | |
119 | ||
120 | Unit *u = userdata; | |
121 | char *w; | |
122 | size_t l; | |
123 | char *state; | |
124 | ||
125 | assert(filename); | |
126 | assert(lvalue); | |
127 | assert(rvalue); | |
128 | assert(data); | |
129 | ||
130 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
131 | char *t, *k; | |
132 | int r; | |
133 | ||
134 | if (!(t = strndup(w, l))) | |
135 | return -ENOMEM; | |
136 | ||
137 | k = unit_name_printf(u, t); | |
138 | free(t); | |
139 | ||
140 | if (!k) | |
141 | return -ENOMEM; | |
142 | ||
143 | r = unit_merge_by_name(u, k); | |
144 | ||
145 | if (r < 0) { | |
146 | log_error("Failed to add name %s, ignoring: %s", k, strerror(-r)); | |
147 | free(k); | |
148 | return 0; | |
149 | } | |
150 | ||
151 | free(k); | |
152 | } | |
153 | ||
154 | return 0; | |
155 | } | |
156 | ||
157 | static int config_parse_string_printf( | |
158 | const char *filename, | |
159 | unsigned line, | |
160 | const char *section, | |
161 | const char *lvalue, | |
162 | int ltype, | |
163 | const char *rvalue, | |
164 | void *data, | |
165 | void *userdata) { | |
166 | ||
167 | Unit *u = userdata; | |
168 | char **s = data; | |
169 | char *k; | |
170 | ||
171 | assert(filename); | |
172 | assert(lvalue); | |
173 | assert(rvalue); | |
174 | assert(s); | |
175 | assert(u); | |
176 | ||
177 | if (!(k = unit_full_printf(u, rvalue))) | |
178 | return -ENOMEM; | |
179 | ||
180 | free(*s); | |
181 | if (*k) | |
182 | *s = k; | |
183 | else { | |
184 | free(k); | |
185 | *s = NULL; | |
186 | } | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
191 | static int config_parse_path_printf( | |
192 | const char *filename, | |
193 | unsigned line, | |
194 | const char *section, | |
195 | const char *lvalue, | |
196 | int ltype, | |
197 | const char *rvalue, | |
198 | void *data, | |
199 | void *userdata) { | |
200 | ||
201 | Unit *u = userdata; | |
202 | char **s = data; | |
203 | char *k; | |
204 | ||
205 | assert(filename); | |
206 | assert(lvalue); | |
207 | assert(rvalue); | |
208 | assert(s); | |
209 | assert(u); | |
210 | ||
211 | if (!(k = unit_full_printf(u, rvalue))) | |
212 | return -ENOMEM; | |
213 | ||
214 | if (!path_is_absolute(k)) { | |
215 | log_error("[%s:%u] Not an absolute path: %s", filename, line, k); | |
216 | free(k); | |
217 | return -EINVAL; | |
218 | } | |
219 | ||
220 | path_kill_slashes(k); | |
221 | ||
222 | free(*s); | |
223 | *s = k; | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
228 | static int config_parse_listen( | |
229 | const char *filename, | |
230 | unsigned line, | |
231 | const char *section, | |
232 | const char *lvalue, | |
233 | int ltype, | |
234 | const char *rvalue, | |
235 | void *data, | |
236 | void *userdata) { | |
237 | ||
238 | SocketPort *p, *tail; | |
239 | Socket *s; | |
240 | ||
241 | assert(filename); | |
242 | assert(lvalue); | |
243 | assert(rvalue); | |
244 | assert(data); | |
245 | ||
246 | s = (Socket*) data; | |
247 | ||
248 | if (!(p = new0(SocketPort, 1))) | |
249 | return -ENOMEM; | |
250 | ||
251 | if (streq(lvalue, "ListenFIFO")) { | |
252 | p->type = SOCKET_FIFO; | |
253 | ||
254 | if (!(p->path = strdup(rvalue))) { | |
255 | free(p); | |
256 | return -ENOMEM; | |
257 | } | |
258 | ||
259 | path_kill_slashes(p->path); | |
260 | ||
261 | } else if (streq(lvalue, "ListenSpecial")) { | |
262 | p->type = SOCKET_SPECIAL; | |
263 | ||
264 | if (!(p->path = strdup(rvalue))) { | |
265 | free(p); | |
266 | return -ENOMEM; | |
267 | } | |
268 | ||
269 | path_kill_slashes(p->path); | |
270 | ||
271 | } else if (streq(lvalue, "ListenMessageQueue")) { | |
272 | ||
273 | p->type = SOCKET_MQUEUE; | |
274 | ||
275 | if (!(p->path = strdup(rvalue))) { | |
276 | free(p); | |
277 | return -ENOMEM; | |
278 | } | |
279 | ||
280 | path_kill_slashes(p->path); | |
281 | ||
282 | } else if (streq(lvalue, "ListenNetlink")) { | |
283 | p->type = SOCKET_SOCKET; | |
284 | ||
285 | if (socket_address_parse_netlink(&p->address, rvalue) < 0) { | |
286 | log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue); | |
287 | free(p); | |
288 | return 0; | |
289 | } | |
290 | ||
291 | } else { | |
292 | p->type = SOCKET_SOCKET; | |
293 | ||
294 | if (socket_address_parse(&p->address, rvalue) < 0) { | |
295 | log_error("[%s:%u] Failed to parse address value, ignoring: %s", filename, line, rvalue); | |
296 | free(p); | |
297 | return 0; | |
298 | } | |
299 | ||
300 | if (streq(lvalue, "ListenStream")) | |
301 | p->address.type = SOCK_STREAM; | |
302 | else if (streq(lvalue, "ListenDatagram")) | |
303 | p->address.type = SOCK_DGRAM; | |
304 | else { | |
305 | assert(streq(lvalue, "ListenSequentialPacket")); | |
306 | p->address.type = SOCK_SEQPACKET; | |
307 | } | |
308 | ||
309 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
310 | log_error("[%s:%u] Address family not supported, ignoring: %s", filename, line, rvalue); | |
311 | free(p); | |
312 | return 0; | |
313 | } | |
314 | } | |
315 | ||
316 | p->fd = -1; | |
317 | ||
318 | if (s->ports) { | |
319 | LIST_FIND_TAIL(SocketPort, port, s->ports, tail); | |
320 | LIST_INSERT_AFTER(SocketPort, port, s->ports, tail, p); | |
321 | } else | |
322 | LIST_PREPEND(SocketPort, port, s->ports, p); | |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
327 | static int config_parse_socket_bind( | |
328 | const char *filename, | |
329 | unsigned line, | |
330 | const char *section, | |
331 | const char *lvalue, | |
332 | int ltype, | |
333 | const char *rvalue, | |
334 | void *data, | |
335 | void *userdata) { | |
336 | ||
337 | Socket *s; | |
338 | SocketAddressBindIPv6Only b; | |
339 | ||
340 | assert(filename); | |
341 | assert(lvalue); | |
342 | assert(rvalue); | |
343 | assert(data); | |
344 | ||
345 | s = (Socket*) data; | |
346 | ||
347 | if ((b = socket_address_bind_ipv6_only_from_string(rvalue)) < 0) { | |
348 | int r; | |
349 | ||
350 | if ((r = parse_boolean(rvalue)) < 0) { | |
351 | log_error("[%s:%u] Failed to parse bind IPv6 only value, ignoring: %s", filename, line, rvalue); | |
352 | return 0; | |
353 | } | |
354 | ||
355 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; | |
356 | } else | |
357 | s->bind_ipv6_only = b; | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
362 | static int config_parse_nice( | |
363 | const char *filename, | |
364 | unsigned line, | |
365 | const char *section, | |
366 | const char *lvalue, | |
367 | int ltype, | |
368 | const char *rvalue, | |
369 | void *data, | |
370 | void *userdata) { | |
371 | ||
372 | ExecContext *c = data; | |
373 | int priority; | |
374 | ||
375 | assert(filename); | |
376 | assert(lvalue); | |
377 | assert(rvalue); | |
378 | assert(data); | |
379 | ||
380 | if (safe_atoi(rvalue, &priority) < 0) { | |
381 | log_error("[%s:%u] Failed to parse nice priority, ignoring: %s. ", filename, line, rvalue); | |
382 | return 0; | |
383 | } | |
384 | ||
385 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
386 | log_error("[%s:%u] Nice priority out of range, ignoring: %s", filename, line, rvalue); | |
387 | return 0; | |
388 | } | |
389 | ||
390 | c->nice = priority; | |
391 | c->nice_set = true; | |
392 | ||
393 | return 0; | |
394 | } | |
395 | ||
396 | static int config_parse_oom_score_adjust( | |
397 | const char *filename, | |
398 | unsigned line, | |
399 | const char *section, | |
400 | const char *lvalue, | |
401 | int ltype, | |
402 | const char *rvalue, | |
403 | void *data, | |
404 | void *userdata) { | |
405 | ||
406 | ExecContext *c = data; | |
407 | int oa; | |
408 | ||
409 | assert(filename); | |
410 | assert(lvalue); | |
411 | assert(rvalue); | |
412 | assert(data); | |
413 | ||
414 | if (safe_atoi(rvalue, &oa) < 0) { | |
415 | log_error("[%s:%u] Failed to parse the OOM score adjust value, ignoring: %s", filename, line, rvalue); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | if (oa < OOM_SCORE_ADJ_MIN || oa > OOM_SCORE_ADJ_MAX) { | |
420 | log_error("[%s:%u] OOM score adjust value out of range, ignoring: %s", filename, line, rvalue); | |
421 | return 0; | |
422 | } | |
423 | ||
424 | c->oom_score_adjust = oa; | |
425 | c->oom_score_adjust_set = true; | |
426 | ||
427 | return 0; | |
428 | } | |
429 | ||
430 | static int config_parse_mode( | |
431 | const char *filename, | |
432 | unsigned line, | |
433 | const char *section, | |
434 | const char *lvalue, | |
435 | int ltype, | |
436 | const char *rvalue, | |
437 | void *data, | |
438 | void *userdata) { | |
439 | ||
440 | mode_t *m = data; | |
441 | long l; | |
442 | char *x = NULL; | |
443 | ||
444 | assert(filename); | |
445 | assert(lvalue); | |
446 | assert(rvalue); | |
447 | assert(data); | |
448 | ||
449 | errno = 0; | |
450 | l = strtol(rvalue, &x, 8); | |
451 | if (!x || *x || errno) { | |
452 | log_error("[%s:%u] Failed to parse mode value, ignoring: %s", filename, line, rvalue); | |
453 | return 0; | |
454 | } | |
455 | ||
456 | if (l < 0000 || l > 07777) { | |
457 | log_error("[%s:%u] mode value out of range, ignoring: %s", filename, line, rvalue); | |
458 | return 0; | |
459 | } | |
460 | ||
461 | *m = (mode_t) l; | |
462 | return 0; | |
463 | } | |
464 | ||
465 | static int config_parse_exec( | |
466 | const char *filename, | |
467 | unsigned line, | |
468 | const char *section, | |
469 | const char *lvalue, | |
470 | int ltype, | |
471 | const char *rvalue, | |
472 | void *data, | |
473 | void *userdata) { | |
474 | ||
475 | ExecCommand **e = data, *nce; | |
476 | char *path, **n; | |
477 | unsigned k; | |
478 | ||
479 | assert(filename); | |
480 | assert(lvalue); | |
481 | assert(rvalue); | |
482 | assert(e); | |
483 | ||
484 | /* We accept an absolute path as first argument, or | |
485 | * alternatively an absolute prefixed with @ to allow | |
486 | * overriding of argv[0]. */ | |
487 | ||
488 | for (;;) { | |
489 | char *w; | |
490 | size_t l; | |
491 | char *state; | |
492 | bool honour_argv0 = false, ignore = false; | |
493 | ||
494 | path = NULL; | |
495 | nce = NULL; | |
496 | n = NULL; | |
497 | ||
498 | rvalue += strspn(rvalue, WHITESPACE); | |
499 | ||
500 | if (rvalue[0] == 0) | |
501 | break; | |
502 | ||
503 | if (rvalue[0] == '-') { | |
504 | ignore = true; | |
505 | rvalue ++; | |
506 | } | |
507 | ||
508 | if (rvalue[0] == '@') { | |
509 | honour_argv0 = true; | |
510 | rvalue ++; | |
511 | } | |
512 | ||
513 | if (*rvalue != '/') { | |
514 | log_error("[%s:%u] Invalid executable path in command line, ignoring: %s", filename, line, rvalue); | |
515 | return 0; | |
516 | } | |
517 | ||
518 | k = 0; | |
519 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
520 | if (strncmp(w, ";", MAX(l, 1U)) == 0) | |
521 | break; | |
522 | ||
523 | k++; | |
524 | } | |
525 | ||
526 | if (!(n = new(char*, k + !honour_argv0))) | |
527 | return -ENOMEM; | |
528 | ||
529 | k = 0; | |
530 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
531 | if (strncmp(w, ";", MAX(l, 1U)) == 0) | |
532 | break; | |
533 | ||
534 | if (honour_argv0 && w == rvalue) { | |
535 | assert(!path); | |
536 | if (!(path = cunescape_length(w, l))) | |
537 | goto fail; | |
538 | } else { | |
539 | if (!(n[k++] = cunescape_length(w, l))) | |
540 | goto fail; | |
541 | } | |
542 | } | |
543 | ||
544 | n[k] = NULL; | |
545 | ||
546 | if (!n[0]) { | |
547 | log_error("[%s:%u] Invalid command line, ignoring: %s", filename, line, rvalue); | |
548 | strv_free(n); | |
549 | return 0; | |
550 | } | |
551 | ||
552 | if (!path) | |
553 | if (!(path = strdup(n[0]))) | |
554 | goto fail; | |
555 | ||
556 | assert(path_is_absolute(path)); | |
557 | ||
558 | if (!(nce = new0(ExecCommand, 1))) | |
559 | goto fail; | |
560 | ||
561 | nce->argv = n; | |
562 | nce->path = path; | |
563 | nce->ignore = ignore; | |
564 | ||
565 | path_kill_slashes(nce->path); | |
566 | ||
567 | exec_command_append_list(e, nce); | |
568 | ||
569 | rvalue = state; | |
570 | } | |
571 | ||
572 | return 0; | |
573 | ||
574 | fail: | |
575 | n[k] = NULL; | |
576 | strv_free(n); | |
577 | free(path); | |
578 | free(nce); | |
579 | ||
580 | return -ENOMEM; | |
581 | } | |
582 | ||
583 | static int config_parse_usec( | |
584 | const char *filename, | |
585 | unsigned line, | |
586 | const char *section, | |
587 | const char *lvalue, | |
588 | int ltype, | |
589 | const char *rvalue, | |
590 | void *data, | |
591 | void *userdata) { | |
592 | ||
593 | usec_t *usec = data; | |
594 | ||
595 | assert(filename); | |
596 | assert(lvalue); | |
597 | assert(rvalue); | |
598 | assert(data); | |
599 | ||
600 | if (parse_usec(rvalue, usec) < 0) { | |
601 | log_error("[%s:%u] Failed to parse time value, ignoring: %s", filename, line, rvalue); | |
602 | return 0; | |
603 | } | |
604 | ||
605 | return 0; | |
606 | } | |
607 | ||
608 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); | |
609 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); | |
610 | ||
611 | static int config_parse_bindtodevice( | |
612 | const char *filename, | |
613 | unsigned line, | |
614 | const char *section, | |
615 | const char *lvalue, | |
616 | int ltype, | |
617 | const char *rvalue, | |
618 | void *data, | |
619 | void *userdata) { | |
620 | ||
621 | Socket *s = data; | |
622 | char *n; | |
623 | ||
624 | assert(filename); | |
625 | assert(lvalue); | |
626 | assert(rvalue); | |
627 | assert(data); | |
628 | ||
629 | if (rvalue[0] && !streq(rvalue, "*")) { | |
630 | if (!(n = strdup(rvalue))) | |
631 | return -ENOMEM; | |
632 | } else | |
633 | n = NULL; | |
634 | ||
635 | free(s->bind_to_device); | |
636 | s->bind_to_device = n; | |
637 | ||
638 | return 0; | |
639 | } | |
640 | ||
641 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); | |
642 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); | |
643 | ||
644 | static int config_parse_facility( | |
645 | const char *filename, | |
646 | unsigned line, | |
647 | const char *section, | |
648 | const char *lvalue, | |
649 | int ltype, | |
650 | const char *rvalue, | |
651 | void *data, | |
652 | void *userdata) { | |
653 | ||
654 | ||
655 | int *o = data, x; | |
656 | ||
657 | assert(filename); | |
658 | assert(lvalue); | |
659 | assert(rvalue); | |
660 | assert(data); | |
661 | ||
662 | if ((x = log_facility_unshifted_from_string(rvalue)) < 0) { | |
663 | log_error("[%s:%u] Failed to parse log facility, ignoring: %s", filename, line, rvalue); | |
664 | return 0; | |
665 | } | |
666 | ||
667 | *o = (x << 3) | LOG_PRI(*o); | |
668 | ||
669 | return 0; | |
670 | } | |
671 | ||
672 | static int config_parse_level( | |
673 | const char *filename, | |
674 | unsigned line, | |
675 | const char *section, | |
676 | const char *lvalue, | |
677 | int ltype, | |
678 | const char *rvalue, | |
679 | void *data, | |
680 | void *userdata) { | |
681 | ||
682 | ||
683 | int *o = data, x; | |
684 | ||
685 | assert(filename); | |
686 | assert(lvalue); | |
687 | assert(rvalue); | |
688 | assert(data); | |
689 | ||
690 | if ((x = log_level_from_string(rvalue)) < 0) { | |
691 | log_error("[%s:%u] Failed to parse log level, ignoring: %s", filename, line, rvalue); | |
692 | return 0; | |
693 | } | |
694 | ||
695 | *o = (*o & LOG_FACMASK) | x; | |
696 | return 0; | |
697 | } | |
698 | ||
699 | static int config_parse_io_class( | |
700 | const char *filename, | |
701 | unsigned line, | |
702 | const char *section, | |
703 | const char *lvalue, | |
704 | int ltype, | |
705 | const char *rvalue, | |
706 | void *data, | |
707 | void *userdata) { | |
708 | ||
709 | ExecContext *c = data; | |
710 | int x; | |
711 | ||
712 | assert(filename); | |
713 | assert(lvalue); | |
714 | assert(rvalue); | |
715 | assert(data); | |
716 | ||
717 | if ((x = ioprio_class_from_string(rvalue)) < 0) { | |
718 | log_error("[%s:%u] Failed to parse IO scheduling class, ignoring: %s", filename, line, rvalue); | |
719 | return 0; | |
720 | } | |
721 | ||
722 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
723 | c->ioprio_set = true; | |
724 | ||
725 | return 0; | |
726 | } | |
727 | ||
728 | static int config_parse_io_priority( | |
729 | const char *filename, | |
730 | unsigned line, | |
731 | const char *section, | |
732 | const char *lvalue, | |
733 | int ltype, | |
734 | const char *rvalue, | |
735 | void *data, | |
736 | void *userdata) { | |
737 | ||
738 | ExecContext *c = data; | |
739 | int i; | |
740 | ||
741 | assert(filename); | |
742 | assert(lvalue); | |
743 | assert(rvalue); | |
744 | assert(data); | |
745 | ||
746 | if (safe_atoi(rvalue, &i) < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
747 | log_error("[%s:%u] Failed to parse io priority, ignoring: %s", filename, line, rvalue); | |
748 | return 0; | |
749 | } | |
750 | ||
751 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); | |
752 | c->ioprio_set = true; | |
753 | ||
754 | return 0; | |
755 | } | |
756 | ||
757 | static int config_parse_cpu_sched_policy( | |
758 | const char *filename, | |
759 | unsigned line, | |
760 | const char *section, | |
761 | const char *lvalue, | |
762 | int ltype, | |
763 | const char *rvalue, | |
764 | void *data, | |
765 | void *userdata) { | |
766 | ||
767 | ||
768 | ExecContext *c = data; | |
769 | int x; | |
770 | ||
771 | assert(filename); | |
772 | assert(lvalue); | |
773 | assert(rvalue); | |
774 | assert(data); | |
775 | ||
776 | if ((x = sched_policy_from_string(rvalue)) < 0) { | |
777 | log_error("[%s:%u] Failed to parse CPU scheduling policy, ignoring: %s", filename, line, rvalue); | |
778 | return 0; | |
779 | } | |
780 | ||
781 | c->cpu_sched_policy = x; | |
782 | c->cpu_sched_set = true; | |
783 | ||
784 | return 0; | |
785 | } | |
786 | ||
787 | static int config_parse_cpu_sched_prio( | |
788 | const char *filename, | |
789 | unsigned line, | |
790 | const char *section, | |
791 | const char *lvalue, | |
792 | int ltype, | |
793 | const char *rvalue, | |
794 | void *data, | |
795 | void *userdata) { | |
796 | ||
797 | ExecContext *c = data; | |
798 | int i; | |
799 | ||
800 | assert(filename); | |
801 | assert(lvalue); | |
802 | assert(rvalue); | |
803 | assert(data); | |
804 | ||
805 | /* On Linux RR/FIFO have the same range */ | |
806 | if (safe_atoi(rvalue, &i) < 0 || i < sched_get_priority_min(SCHED_RR) || i > sched_get_priority_max(SCHED_RR)) { | |
807 | log_error("[%s:%u] Failed to parse CPU scheduling priority, ignoring: %s", filename, line, rvalue); | |
808 | return 0; | |
809 | } | |
810 | ||
811 | c->cpu_sched_priority = i; | |
812 | c->cpu_sched_set = true; | |
813 | ||
814 | return 0; | |
815 | } | |
816 | ||
817 | static int config_parse_cpu_affinity( | |
818 | const char *filename, | |
819 | unsigned line, | |
820 | const char *section, | |
821 | const char *lvalue, | |
822 | int ltype, | |
823 | const char *rvalue, | |
824 | void *data, | |
825 | void *userdata) { | |
826 | ||
827 | ExecContext *c = data; | |
828 | char *w; | |
829 | size_t l; | |
830 | char *state; | |
831 | ||
832 | assert(filename); | |
833 | assert(lvalue); | |
834 | assert(rvalue); | |
835 | assert(data); | |
836 | ||
837 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
838 | char *t; | |
839 | int r; | |
840 | unsigned cpu; | |
841 | ||
842 | if (!(t = strndup(w, l))) | |
843 | return -ENOMEM; | |
844 | ||
845 | r = safe_atou(t, &cpu); | |
846 | free(t); | |
847 | ||
848 | if (!(c->cpuset)) | |
849 | if (!(c->cpuset = cpu_set_malloc(&c->cpuset_ncpus))) | |
850 | return -ENOMEM; | |
851 | ||
852 | if (r < 0 || cpu >= c->cpuset_ncpus) { | |
853 | log_error("[%s:%u] Failed to parse CPU affinity, ignoring: %s", filename, line, rvalue); | |
854 | return 0; | |
855 | } | |
856 | ||
857 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset); | |
858 | } | |
859 | ||
860 | return 0; | |
861 | } | |
862 | ||
863 | static int config_parse_capabilities( | |
864 | const char *filename, | |
865 | unsigned line, | |
866 | const char *section, | |
867 | const char *lvalue, | |
868 | int ltype, | |
869 | const char *rvalue, | |
870 | void *data, | |
871 | void *userdata) { | |
872 | ||
873 | ExecContext *c = data; | |
874 | cap_t cap; | |
875 | ||
876 | assert(filename); | |
877 | assert(lvalue); | |
878 | assert(rvalue); | |
879 | assert(data); | |
880 | ||
881 | if (!(cap = cap_from_text(rvalue))) { | |
882 | if (errno == ENOMEM) | |
883 | return -ENOMEM; | |
884 | ||
885 | log_error("[%s:%u] Failed to parse capabilities, ignoring: %s", filename, line, rvalue); | |
886 | return 0; | |
887 | } | |
888 | ||
889 | if (c->capabilities) | |
890 | cap_free(c->capabilities); | |
891 | c->capabilities = cap; | |
892 | ||
893 | return 0; | |
894 | } | |
895 | ||
896 | static int config_parse_secure_bits( | |
897 | const char *filename, | |
898 | unsigned line, | |
899 | const char *section, | |
900 | const char *lvalue, | |
901 | int ltype, | |
902 | const char *rvalue, | |
903 | void *data, | |
904 | void *userdata) { | |
905 | ||
906 | ExecContext *c = data; | |
907 | char *w; | |
908 | size_t l; | |
909 | char *state; | |
910 | ||
911 | assert(filename); | |
912 | assert(lvalue); | |
913 | assert(rvalue); | |
914 | assert(data); | |
915 | ||
916 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
917 | if (first_word(w, "keep-caps")) | |
918 | c->secure_bits |= SECURE_KEEP_CAPS; | |
919 | else if (first_word(w, "keep-caps-locked")) | |
920 | c->secure_bits |= SECURE_KEEP_CAPS_LOCKED; | |
921 | else if (first_word(w, "no-setuid-fixup")) | |
922 | c->secure_bits |= SECURE_NO_SETUID_FIXUP; | |
923 | else if (first_word(w, "no-setuid-fixup-locked")) | |
924 | c->secure_bits |= SECURE_NO_SETUID_FIXUP_LOCKED; | |
925 | else if (first_word(w, "noroot")) | |
926 | c->secure_bits |= SECURE_NOROOT; | |
927 | else if (first_word(w, "noroot-locked")) | |
928 | c->secure_bits |= SECURE_NOROOT_LOCKED; | |
929 | else { | |
930 | log_error("[%s:%u] Failed to parse secure bits, ignoring: %s", filename, line, rvalue); | |
931 | return 0; | |
932 | } | |
933 | } | |
934 | ||
935 | return 0; | |
936 | } | |
937 | ||
938 | static int config_parse_bounding_set( | |
939 | const char *filename, | |
940 | unsigned line, | |
941 | const char *section, | |
942 | const char *lvalue, | |
943 | int ltype, | |
944 | const char *rvalue, | |
945 | void *data, | |
946 | void *userdata) { | |
947 | ||
948 | ExecContext *c = data; | |
949 | char *w; | |
950 | size_t l; | |
951 | char *state; | |
952 | bool invert = false; | |
953 | uint64_t sum = 0; | |
954 | ||
955 | assert(filename); | |
956 | assert(lvalue); | |
957 | assert(rvalue); | |
958 | assert(data); | |
959 | ||
960 | if (rvalue[0] == '~') { | |
961 | invert = true; | |
962 | rvalue++; | |
963 | } | |
964 | ||
965 | /* Note that we store this inverted internally, since the | |
966 | * kernel wants it like this. But we actually expose it | |
967 | * non-inverted everywhere to have a fully normalized | |
968 | * interface. */ | |
969 | ||
970 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
971 | char *t; | |
972 | int r; | |
973 | cap_value_t cap; | |
974 | ||
975 | if (!(t = strndup(w, l))) | |
976 | return -ENOMEM; | |
977 | ||
978 | r = cap_from_name(t, &cap); | |
979 | free(t); | |
980 | ||
981 | if (r < 0) { | |
982 | log_error("[%s:%u] Failed to parse capability bounding set, ignoring: %s", filename, line, rvalue); | |
983 | return 0; | |
984 | } | |
985 | ||
986 | sum |= ((uint64_t) 1ULL) << (uint64_t) cap; | |
987 | } | |
988 | ||
989 | if (invert) | |
990 | c->capability_bounding_set_drop |= sum; | |
991 | else | |
992 | c->capability_bounding_set_drop |= ~sum; | |
993 | ||
994 | return 0; | |
995 | } | |
996 | ||
997 | static int config_parse_timer_slack_nsec( | |
998 | const char *filename, | |
999 | unsigned line, | |
1000 | const char *section, | |
1001 | const char *lvalue, | |
1002 | int ltype, | |
1003 | const char *rvalue, | |
1004 | void *data, | |
1005 | void *userdata) { | |
1006 | ||
1007 | ExecContext *c = data; | |
1008 | unsigned long u; | |
1009 | ||
1010 | assert(filename); | |
1011 | assert(lvalue); | |
1012 | assert(rvalue); | |
1013 | assert(data); | |
1014 | ||
1015 | if (safe_atolu(rvalue, &u) < 0) { | |
1016 | log_error("[%s:%u] Failed to parse time slack value, ignoring: %s", filename, line, rvalue); | |
1017 | return 0; | |
1018 | } | |
1019 | ||
1020 | c->timer_slack_nsec = u; | |
1021 | ||
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | static int config_parse_limit( | |
1026 | const char *filename, | |
1027 | unsigned line, | |
1028 | const char *section, | |
1029 | const char *lvalue, | |
1030 | int ltype, | |
1031 | const char *rvalue, | |
1032 | void *data, | |
1033 | void *userdata) { | |
1034 | ||
1035 | struct rlimit **rl = data; | |
1036 | unsigned long long u; | |
1037 | ||
1038 | assert(filename); | |
1039 | assert(lvalue); | |
1040 | assert(rvalue); | |
1041 | assert(data); | |
1042 | ||
1043 | if (streq(rvalue, "infinity")) | |
1044 | u = (unsigned long long) RLIM_INFINITY; | |
1045 | else if (safe_atollu(rvalue, &u) < 0) { | |
1046 | log_error("[%s:%u] Failed to parse resource value, ignoring: %s", filename, line, rvalue); | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | if (!*rl) | |
1051 | if (!(*rl = new(struct rlimit, 1))) | |
1052 | return -ENOMEM; | |
1053 | ||
1054 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; | |
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | static int config_parse_cgroup( | |
1059 | const char *filename, | |
1060 | unsigned line, | |
1061 | const char *section, | |
1062 | const char *lvalue, | |
1063 | int ltype, | |
1064 | const char *rvalue, | |
1065 | void *data, | |
1066 | void *userdata) { | |
1067 | ||
1068 | Unit *u = userdata; | |
1069 | char *w; | |
1070 | size_t l; | |
1071 | char *state; | |
1072 | ||
1073 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
1074 | char *t, *k; | |
1075 | int r; | |
1076 | ||
1077 | t = strndup(w, l); | |
1078 | if (!t) | |
1079 | return -ENOMEM; | |
1080 | ||
1081 | k = unit_full_printf(u, t); | |
1082 | free(t); | |
1083 | ||
1084 | if (!k) | |
1085 | return -ENOMEM; | |
1086 | ||
1087 | t = cunescape(k); | |
1088 | free(k); | |
1089 | ||
1090 | if (!t) | |
1091 | return -ENOMEM; | |
1092 | ||
1093 | r = unit_add_cgroup_from_text(u, t); | |
1094 | free(t); | |
1095 | ||
1096 | if (r < 0) { | |
1097 | log_error("[%s:%u] Failed to parse cgroup value, ignoring: %s", filename, line, rvalue); | |
1098 | return 0; | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | return 0; | |
1103 | } | |
1104 | ||
1105 | #ifdef HAVE_SYSV_COMPAT | |
1106 | static int config_parse_sysv_priority( | |
1107 | const char *filename, | |
1108 | unsigned line, | |
1109 | const char *section, | |
1110 | const char *lvalue, | |
1111 | int ltype, | |
1112 | const char *rvalue, | |
1113 | void *data, | |
1114 | void *userdata) { | |
1115 | ||
1116 | int *priority = data; | |
1117 | int i; | |
1118 | ||
1119 | assert(filename); | |
1120 | assert(lvalue); | |
1121 | assert(rvalue); | |
1122 | assert(data); | |
1123 | ||
1124 | if (safe_atoi(rvalue, &i) < 0 || i < 0) { | |
1125 | log_error("[%s:%u] Failed to parse SysV start priority, ignoring: %s", filename, line, rvalue); | |
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | *priority = (int) i; | |
1130 | return 0; | |
1131 | } | |
1132 | #endif | |
1133 | ||
1134 | static int config_parse_fsck_passno( | |
1135 | const char *filename, | |
1136 | unsigned line, | |
1137 | const char *section, | |
1138 | const char *lvalue, | |
1139 | int ltype, | |
1140 | const char *rvalue, | |
1141 | void *data, | |
1142 | void *userdata) { | |
1143 | ||
1144 | int *passno = data; | |
1145 | int i; | |
1146 | ||
1147 | assert(filename); | |
1148 | assert(lvalue); | |
1149 | assert(rvalue); | |
1150 | assert(data); | |
1151 | ||
1152 | if (safe_atoi(rvalue, &i) || i < 0) { | |
1153 | log_error("[%s:%u] Failed to parse fsck pass number, ignoring: %s", filename, line, rvalue); | |
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | *passno = (int) i; | |
1158 | return 0; | |
1159 | } | |
1160 | ||
1161 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); | |
1162 | ||
1163 | static int config_parse_kill_signal( | |
1164 | const char *filename, | |
1165 | unsigned line, | |
1166 | const char *section, | |
1167 | const char *lvalue, | |
1168 | int ltype, | |
1169 | const char *rvalue, | |
1170 | void *data, | |
1171 | void *userdata) { | |
1172 | ||
1173 | int *sig = data; | |
1174 | int r; | |
1175 | ||
1176 | assert(filename); | |
1177 | assert(lvalue); | |
1178 | assert(rvalue); | |
1179 | assert(sig); | |
1180 | ||
1181 | if ((r = signal_from_string_try_harder(rvalue)) <= 0) { | |
1182 | log_error("[%s:%u] Failed to parse kill signal, ignoring: %s", filename, line, rvalue); | |
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | *sig = r; | |
1187 | return 0; | |
1188 | } | |
1189 | ||
1190 | static int config_parse_mount_flags( | |
1191 | const char *filename, | |
1192 | unsigned line, | |
1193 | const char *section, | |
1194 | const char *lvalue, | |
1195 | int ltype, | |
1196 | const char *rvalue, | |
1197 | void *data, | |
1198 | void *userdata) { | |
1199 | ||
1200 | ExecContext *c = data; | |
1201 | char *w; | |
1202 | size_t l; | |
1203 | char *state; | |
1204 | unsigned long flags = 0; | |
1205 | ||
1206 | assert(filename); | |
1207 | assert(lvalue); | |
1208 | assert(rvalue); | |
1209 | assert(data); | |
1210 | ||
1211 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
1212 | if (strncmp(w, "shared", MAX(l, 6U)) == 0) | |
1213 | flags |= MS_SHARED; | |
1214 | else if (strncmp(w, "slave", MAX(l, 5U)) == 0) | |
1215 | flags |= MS_SLAVE; | |
1216 | else if (strncmp(w, "private", MAX(l, 7U)) == 0) | |
1217 | flags |= MS_PRIVATE; | |
1218 | else { | |
1219 | log_error("[%s:%u] Failed to parse mount flags, ignoring: %s", filename, line, rvalue); | |
1220 | return 0; | |
1221 | } | |
1222 | } | |
1223 | ||
1224 | c->mount_flags = flags; | |
1225 | return 0; | |
1226 | } | |
1227 | ||
1228 | static int config_parse_timer( | |
1229 | const char *filename, | |
1230 | unsigned line, | |
1231 | const char *section, | |
1232 | const char *lvalue, | |
1233 | int ltype, | |
1234 | const char *rvalue, | |
1235 | void *data, | |
1236 | void *userdata) { | |
1237 | ||
1238 | Timer *t = data; | |
1239 | usec_t u; | |
1240 | TimerValue *v; | |
1241 | TimerBase b; | |
1242 | ||
1243 | assert(filename); | |
1244 | assert(lvalue); | |
1245 | assert(rvalue); | |
1246 | assert(data); | |
1247 | ||
1248 | if ((b = timer_base_from_string(lvalue)) < 0) { | |
1249 | log_error("[%s:%u] Failed to parse timer base, ignoring: %s", filename, line, lvalue); | |
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | if (parse_usec(rvalue, &u) < 0) { | |
1254 | log_error("[%s:%u] Failed to parse timer value, ignoring: %s", filename, line, rvalue); | |
1255 | return 0; | |
1256 | } | |
1257 | ||
1258 | if (!(v = new0(TimerValue, 1))) | |
1259 | return -ENOMEM; | |
1260 | ||
1261 | v->base = b; | |
1262 | v->value = u; | |
1263 | ||
1264 | LIST_PREPEND(TimerValue, value, t->values, v); | |
1265 | ||
1266 | return 0; | |
1267 | } | |
1268 | ||
1269 | static int config_parse_timer_unit( | |
1270 | const char *filename, | |
1271 | unsigned line, | |
1272 | const char *section, | |
1273 | const char *lvalue, | |
1274 | int ltype, | |
1275 | const char *rvalue, | |
1276 | void *data, | |
1277 | void *userdata) { | |
1278 | ||
1279 | Timer *t = data; | |
1280 | int r; | |
1281 | DBusError error; | |
1282 | ||
1283 | assert(filename); | |
1284 | assert(lvalue); | |
1285 | assert(rvalue); | |
1286 | assert(data); | |
1287 | ||
1288 | dbus_error_init(&error); | |
1289 | ||
1290 | if (endswith(rvalue, ".timer")) { | |
1291 | log_error("[%s:%u] Unit cannot be of type timer, ignoring: %s", filename, line, rvalue); | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, NULL, &t->unit)) < 0) { | |
1296 | log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); | |
1297 | dbus_error_free(&error); | |
1298 | return 0; | |
1299 | } | |
1300 | ||
1301 | return 0; | |
1302 | } | |
1303 | ||
1304 | static int config_parse_path_spec( | |
1305 | const char *filename, | |
1306 | unsigned line, | |
1307 | const char *section, | |
1308 | const char *lvalue, | |
1309 | int ltype, | |
1310 | const char *rvalue, | |
1311 | void *data, | |
1312 | void *userdata) { | |
1313 | ||
1314 | Path *p = data; | |
1315 | PathSpec *s; | |
1316 | PathType b; | |
1317 | ||
1318 | assert(filename); | |
1319 | assert(lvalue); | |
1320 | assert(rvalue); | |
1321 | assert(data); | |
1322 | ||
1323 | if ((b = path_type_from_string(lvalue)) < 0) { | |
1324 | log_error("[%s:%u] Failed to parse path type, ignoring: %s", filename, line, lvalue); | |
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | if (!path_is_absolute(rvalue)) { | |
1329 | log_error("[%s:%u] Path is not absolute, ignoring: %s", filename, line, rvalue); | |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | if (!(s = new0(PathSpec, 1))) | |
1334 | return -ENOMEM; | |
1335 | ||
1336 | if (!(s->path = strdup(rvalue))) { | |
1337 | free(s); | |
1338 | return -ENOMEM; | |
1339 | } | |
1340 | ||
1341 | path_kill_slashes(s->path); | |
1342 | ||
1343 | s->type = b; | |
1344 | s->inotify_fd = -1; | |
1345 | ||
1346 | LIST_PREPEND(PathSpec, spec, p->specs, s); | |
1347 | ||
1348 | return 0; | |
1349 | } | |
1350 | ||
1351 | static int config_parse_path_unit( | |
1352 | const char *filename, | |
1353 | unsigned line, | |
1354 | const char *section, | |
1355 | const char *lvalue, | |
1356 | int ltype, | |
1357 | const char *rvalue, | |
1358 | void *data, | |
1359 | void *userdata) { | |
1360 | ||
1361 | Path *t = data; | |
1362 | int r; | |
1363 | DBusError error; | |
1364 | ||
1365 | assert(filename); | |
1366 | assert(lvalue); | |
1367 | assert(rvalue); | |
1368 | assert(data); | |
1369 | ||
1370 | dbus_error_init(&error); | |
1371 | ||
1372 | if (endswith(rvalue, ".path")) { | |
1373 | log_error("[%s:%u] Unit cannot be of type path, ignoring: %s", filename, line, rvalue); | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | if ((r = manager_load_unit(t->meta.manager, rvalue, NULL, &error, &t->unit)) < 0) { | |
1378 | log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); | |
1379 | dbus_error_free(&error); | |
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
1386 | static int config_parse_socket_service( | |
1387 | const char *filename, | |
1388 | unsigned line, | |
1389 | const char *section, | |
1390 | const char *lvalue, | |
1391 | int ltype, | |
1392 | const char *rvalue, | |
1393 | void *data, | |
1394 | void *userdata) { | |
1395 | ||
1396 | Socket *s = data; | |
1397 | int r; | |
1398 | DBusError error; | |
1399 | ||
1400 | assert(filename); | |
1401 | assert(lvalue); | |
1402 | assert(rvalue); | |
1403 | assert(data); | |
1404 | ||
1405 | dbus_error_init(&error); | |
1406 | ||
1407 | if (!endswith(rvalue, ".service")) { | |
1408 | log_error("[%s:%u] Unit must be of type service, ignoring: %s", filename, line, rvalue); | |
1409 | return 0; | |
1410 | } | |
1411 | ||
1412 | if ((r = manager_load_unit(s->meta.manager, rvalue, NULL, &error, (Unit**) &s->service)) < 0) { | |
1413 | log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); | |
1414 | dbus_error_free(&error); | |
1415 | return 0; | |
1416 | } | |
1417 | ||
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | static int config_parse_service_sockets( | |
1422 | const char *filename, | |
1423 | unsigned line, | |
1424 | const char *section, | |
1425 | const char *lvalue, | |
1426 | int ltype, | |
1427 | const char *rvalue, | |
1428 | void *data, | |
1429 | void *userdata) { | |
1430 | ||
1431 | Service *s = data; | |
1432 | int r; | |
1433 | DBusError error; | |
1434 | char *state, *w; | |
1435 | size_t l; | |
1436 | ||
1437 | assert(filename); | |
1438 | assert(lvalue); | |
1439 | assert(rvalue); | |
1440 | assert(data); | |
1441 | ||
1442 | dbus_error_init(&error); | |
1443 | ||
1444 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
1445 | char *t; | |
1446 | Unit *sock; | |
1447 | ||
1448 | if (!(t = strndup(w, l))) | |
1449 | return -ENOMEM; | |
1450 | ||
1451 | if (!endswith(t, ".socket")) { | |
1452 | log_error("[%s:%u] Unit must be of type socket, ignoring: %s", filename, line, rvalue); | |
1453 | free(t); | |
1454 | continue; | |
1455 | } | |
1456 | ||
1457 | r = manager_load_unit(s->meta.manager, t, NULL, &error, &sock); | |
1458 | free(t); | |
1459 | ||
1460 | if (r < 0) { | |
1461 | log_error("[%s:%u] Failed to load unit %s, ignoring: %s", filename, line, rvalue, bus_error(&error, r)); | |
1462 | dbus_error_free(&error); | |
1463 | continue; | |
1464 | } | |
1465 | ||
1466 | if ((r = set_ensure_allocated(&s->configured_sockets, trivial_hash_func, trivial_compare_func)) < 0) | |
1467 | return r; | |
1468 | ||
1469 | if ((r = set_put(s->configured_sockets, sock)) < 0) | |
1470 | return r; | |
1471 | } | |
1472 | ||
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | static int config_parse_env_file( | |
1477 | const char *filename, | |
1478 | unsigned line, | |
1479 | const char *section, | |
1480 | const char *lvalue, | |
1481 | int ltype, | |
1482 | const char *rvalue, | |
1483 | void *data, | |
1484 | void *userdata) { | |
1485 | ||
1486 | char ***env = data, **k; | |
1487 | ||
1488 | assert(filename); | |
1489 | assert(lvalue); | |
1490 | assert(rvalue); | |
1491 | assert(data); | |
1492 | ||
1493 | if (!path_is_absolute(rvalue[0] == '-' ? rvalue + 1 : rvalue)) { | |
1494 | log_error("[%s:%u] Path '%s' is not absolute, ignoring.", filename, line, rvalue); | |
1495 | return 0; | |
1496 | } | |
1497 | ||
1498 | if (!(k = strv_append(*env, rvalue))) | |
1499 | return -ENOMEM; | |
1500 | ||
1501 | strv_free(*env); | |
1502 | *env = k; | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | static int config_parse_ip_tos( | |
1508 | const char *filename, | |
1509 | unsigned line, | |
1510 | const char *section, | |
1511 | const char *lvalue, | |
1512 | int ltype, | |
1513 | const char *rvalue, | |
1514 | void *data, | |
1515 | void *userdata) { | |
1516 | ||
1517 | int *ip_tos = data, x; | |
1518 | ||
1519 | assert(filename); | |
1520 | assert(lvalue); | |
1521 | assert(rvalue); | |
1522 | assert(data); | |
1523 | ||
1524 | if ((x = ip_tos_from_string(rvalue)) < 0) | |
1525 | if (safe_atoi(rvalue, &x) < 0) { | |
1526 | log_error("[%s:%u] Failed to parse IP TOS value, ignoring: %s", filename, line, rvalue); | |
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | *ip_tos = x; | |
1531 | return 0; | |
1532 | } | |
1533 | ||
1534 | static int config_parse_condition_path( | |
1535 | const char *filename, | |
1536 | unsigned line, | |
1537 | const char *section, | |
1538 | const char *lvalue, | |
1539 | int ltype, | |
1540 | const char *rvalue, | |
1541 | void *data, | |
1542 | void *userdata) { | |
1543 | ||
1544 | ConditionType cond = ltype; | |
1545 | Unit *u = data; | |
1546 | bool trigger, negate; | |
1547 | Condition *c; | |
1548 | ||
1549 | assert(filename); | |
1550 | assert(lvalue); | |
1551 | assert(rvalue); | |
1552 | assert(data); | |
1553 | ||
1554 | if ((trigger = rvalue[0] == '|')) | |
1555 | rvalue++; | |
1556 | ||
1557 | if ((negate = rvalue[0] == '!')) | |
1558 | rvalue++; | |
1559 | ||
1560 | if (!path_is_absolute(rvalue)) { | |
1561 | log_error("[%s:%u] Path in condition not absolute, ignoring: %s", filename, line, rvalue); | |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | if (!(c = condition_new(cond, rvalue, trigger, negate))) | |
1566 | return -ENOMEM; | |
1567 | ||
1568 | LIST_PREPEND(Condition, conditions, u->meta.conditions, c); | |
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | static int config_parse_condition_string( | |
1573 | const char *filename, | |
1574 | unsigned line, | |
1575 | const char *section, | |
1576 | const char *lvalue, | |
1577 | int ltype, | |
1578 | const char *rvalue, | |
1579 | void *data, | |
1580 | void *userdata) { | |
1581 | ||
1582 | ConditionType cond = ltype; | |
1583 | Unit *u = data; | |
1584 | bool trigger, negate; | |
1585 | Condition *c; | |
1586 | ||
1587 | assert(filename); | |
1588 | assert(lvalue); | |
1589 | assert(rvalue); | |
1590 | assert(data); | |
1591 | ||
1592 | if ((trigger = rvalue[0] == '|')) | |
1593 | rvalue++; | |
1594 | ||
1595 | if ((negate = rvalue[0] == '!')) | |
1596 | rvalue++; | |
1597 | ||
1598 | if (!(c = condition_new(cond, rvalue, trigger, negate))) | |
1599 | return -ENOMEM; | |
1600 | ||
1601 | LIST_PREPEND(Condition, conditions, u->meta.conditions, c); | |
1602 | return 0; | |
1603 | } | |
1604 | ||
1605 | static int config_parse_condition_null( | |
1606 | const char *filename, | |
1607 | unsigned line, | |
1608 | const char *section, | |
1609 | const char *lvalue, | |
1610 | int ltype, | |
1611 | const char *rvalue, | |
1612 | void *data, | |
1613 | void *userdata) { | |
1614 | ||
1615 | Unit *u = data; | |
1616 | Condition *c; | |
1617 | bool trigger, negate; | |
1618 | int b; | |
1619 | ||
1620 | assert(filename); | |
1621 | assert(lvalue); | |
1622 | assert(rvalue); | |
1623 | assert(data); | |
1624 | ||
1625 | if ((trigger = rvalue[0] == '|')) | |
1626 | rvalue++; | |
1627 | ||
1628 | if ((negate = rvalue[0] == '!')) | |
1629 | rvalue++; | |
1630 | ||
1631 | if ((b = parse_boolean(rvalue)) < 0) { | |
1632 | log_error("[%s:%u] Failed to parse boolean value in condition, ignoring: %s", filename, line, rvalue); | |
1633 | return 0; | |
1634 | } | |
1635 | ||
1636 | if (!b) | |
1637 | negate = !negate; | |
1638 | ||
1639 | if (!(c = condition_new(CONDITION_NULL, NULL, trigger, negate))) | |
1640 | return -ENOMEM; | |
1641 | ||
1642 | LIST_PREPEND(Condition, conditions, u->meta.conditions, c); | |
1643 | return 0; | |
1644 | } | |
1645 | ||
1646 | static DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier"); | |
1647 | ||
1648 | #define FOLLOW_MAX 8 | |
1649 | ||
1650 | static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { | |
1651 | unsigned c = 0; | |
1652 | int fd, r; | |
1653 | FILE *f; | |
1654 | char *id = NULL; | |
1655 | ||
1656 | assert(filename); | |
1657 | assert(*filename); | |
1658 | assert(_f); | |
1659 | assert(names); | |
1660 | ||
1661 | /* This will update the filename pointer if the loaded file is | |
1662 | * reached by a symlink. The old string will be freed. */ | |
1663 | ||
1664 | for (;;) { | |
1665 | char *target, *name; | |
1666 | ||
1667 | if (c++ >= FOLLOW_MAX) | |
1668 | return -ELOOP; | |
1669 | ||
1670 | path_kill_slashes(*filename); | |
1671 | ||
1672 | /* Add the file name we are currently looking at to | |
1673 | * the names of this unit, but only if it is a valid | |
1674 | * unit name. */ | |
1675 | name = file_name_from_path(*filename); | |
1676 | ||
1677 | if (unit_name_is_valid(name, true)) { | |
1678 | ||
1679 | id = set_get(names, name); | |
1680 | if (!id) { | |
1681 | id = strdup(name); | |
1682 | if (!id) | |
1683 | return -ENOMEM; | |
1684 | ||
1685 | r = set_put(names, id); | |
1686 | if (r < 0) { | |
1687 | free(id); | |
1688 | return r; | |
1689 | } | |
1690 | } | |
1691 | } | |
1692 | ||
1693 | /* Try to open the file name, but don't if its a symlink */ | |
1694 | if ((fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW)) >= 0) | |
1695 | break; | |
1696 | ||
1697 | if (errno != ELOOP) | |
1698 | return -errno; | |
1699 | ||
1700 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ | |
1701 | if ((r = readlink_and_make_absolute(*filename, &target)) < 0) | |
1702 | return r; | |
1703 | ||
1704 | free(*filename); | |
1705 | *filename = target; | |
1706 | } | |
1707 | ||
1708 | if (!(f = fdopen(fd, "re"))) { | |
1709 | r = -errno; | |
1710 | close_nointr_nofail(fd); | |
1711 | return r; | |
1712 | } | |
1713 | ||
1714 | *_f = f; | |
1715 | *_final = id; | |
1716 | return 0; | |
1717 | } | |
1718 | ||
1719 | static int merge_by_names(Unit **u, Set *names, const char *id) { | |
1720 | char *k; | |
1721 | int r; | |
1722 | ||
1723 | assert(u); | |
1724 | assert(*u); | |
1725 | assert(names); | |
1726 | ||
1727 | /* Let's try to add in all symlink names we found */ | |
1728 | while ((k = set_steal_first(names))) { | |
1729 | ||
1730 | /* First try to merge in the other name into our | |
1731 | * unit */ | |
1732 | if ((r = unit_merge_by_name(*u, k)) < 0) { | |
1733 | Unit *other; | |
1734 | ||
1735 | /* Hmm, we couldn't merge the other unit into | |
1736 | * ours? Then let's try it the other way | |
1737 | * round */ | |
1738 | ||
1739 | other = manager_get_unit((*u)->meta.manager, k); | |
1740 | free(k); | |
1741 | ||
1742 | if (other) | |
1743 | if ((r = unit_merge(other, *u)) >= 0) { | |
1744 | *u = other; | |
1745 | return merge_by_names(u, names, NULL); | |
1746 | } | |
1747 | ||
1748 | return r; | |
1749 | } | |
1750 | ||
1751 | if (id == k) | |
1752 | unit_choose_id(*u, id); | |
1753 | ||
1754 | free(k); | |
1755 | } | |
1756 | ||
1757 | return 0; | |
1758 | } | |
1759 | ||
1760 | static void dump_items(FILE *f, const ConfigItem *items) { | |
1761 | const ConfigItem *i; | |
1762 | const char *prev_section = NULL; | |
1763 | bool not_first = false; | |
1764 | ||
1765 | struct { | |
1766 | ConfigParserCallback callback; | |
1767 | const char *rvalue; | |
1768 | } table[] = { | |
1769 | { config_parse_int, "INTEGER" }, | |
1770 | { config_parse_unsigned, "UNSIGNED" }, | |
1771 | { config_parse_size, "SIZE" }, | |
1772 | { config_parse_bool, "BOOLEAN" }, | |
1773 | { config_parse_string, "STRING" }, | |
1774 | { config_parse_path, "PATH" }, | |
1775 | { config_parse_path_printf, "PATH" }, | |
1776 | { config_parse_strv, "STRING [...]" }, | |
1777 | { config_parse_nice, "NICE" }, | |
1778 | { config_parse_oom_score_adjust, "OOMSCOREADJUST" }, | |
1779 | { config_parse_io_class, "IOCLASS" }, | |
1780 | { config_parse_io_priority, "IOPRIORITY" }, | |
1781 | { config_parse_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
1782 | { config_parse_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
1783 | { config_parse_cpu_affinity, "CPUAFFINITY" }, | |
1784 | { config_parse_mode, "MODE" }, | |
1785 | { config_parse_env_file, "FILE" }, | |
1786 | { config_parse_output, "OUTPUT" }, | |
1787 | { config_parse_input, "INPUT" }, | |
1788 | { config_parse_facility, "FACILITY" }, | |
1789 | { config_parse_level, "LEVEL" }, | |
1790 | { config_parse_capabilities, "CAPABILITIES" }, | |
1791 | { config_parse_secure_bits, "SECUREBITS" }, | |
1792 | { config_parse_bounding_set, "BOUNDINGSET" }, | |
1793 | { config_parse_timer_slack_nsec, "TIMERSLACK" }, | |
1794 | { config_parse_limit, "LIMIT" }, | |
1795 | { config_parse_cgroup, "CGROUP [...]" }, | |
1796 | { config_parse_deps, "UNIT [...]" }, | |
1797 | { config_parse_names, "UNIT [...]" }, | |
1798 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, | |
1799 | { config_parse_service_type, "SERVICETYPE" }, | |
1800 | { config_parse_service_restart, "SERVICERESTART" }, | |
1801 | #ifdef HAVE_SYSV_COMPAT | |
1802 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
1803 | #else | |
1804 | { config_parse_warn_compat, "NOTSUPPORTED" }, | |
1805 | #endif | |
1806 | { config_parse_kill_mode, "KILLMODE" }, | |
1807 | { config_parse_kill_signal, "SIGNAL" }, | |
1808 | { config_parse_listen, "SOCKET [...]" }, | |
1809 | { config_parse_socket_bind, "SOCKETBIND" }, | |
1810 | { config_parse_bindtodevice, "NETWORKINTERFACE" }, | |
1811 | { config_parse_usec, "SECONDS" }, | |
1812 | { config_parse_path_strv, "PATH [...]" }, | |
1813 | { config_parse_mount_flags, "MOUNTFLAG [...]" }, | |
1814 | { config_parse_string_printf, "STRING" }, | |
1815 | { config_parse_timer, "TIMER" }, | |
1816 | { config_parse_timer_unit, "NAME" }, | |
1817 | { config_parse_path_spec, "PATH" }, | |
1818 | { config_parse_path_unit, "UNIT" }, | |
1819 | { config_parse_notify_access, "ACCESS" }, | |
1820 | { config_parse_ip_tos, "TOS" }, | |
1821 | { config_parse_condition_path, "CONDITION" }, | |
1822 | { config_parse_condition_string, "CONDITION" }, | |
1823 | { config_parse_condition_null, "CONDITION" }, | |
1824 | }; | |
1825 | ||
1826 | assert(f); | |
1827 | assert(items); | |
1828 | ||
1829 | for (i = items; i->lvalue; i++) { | |
1830 | unsigned j; | |
1831 | const char *rvalue = "OTHER"; | |
1832 | ||
1833 | if (!streq_ptr(i->section, prev_section)) { | |
1834 | if (!not_first) | |
1835 | not_first = true; | |
1836 | else | |
1837 | fputc('\n', f); | |
1838 | ||
1839 | fprintf(f, "[%s]\n", i->section); | |
1840 | prev_section = i->section; | |
1841 | } | |
1842 | ||
1843 | for (j = 0; j < ELEMENTSOF(table); j++) | |
1844 | if (i->parse == table[j].callback) { | |
1845 | rvalue = table[j].rvalue; | |
1846 | break; | |
1847 | } | |
1848 | ||
1849 | fprintf(f, "%s=%s\n", i->lvalue, rvalue); | |
1850 | } | |
1851 | } | |
1852 | ||
1853 | static int load_from_path(Unit *u, const char *path) { | |
1854 | ||
1855 | static const char* const section_table[_UNIT_TYPE_MAX] = { | |
1856 | [UNIT_SERVICE] = "Service", | |
1857 | [UNIT_TIMER] = "Timer", | |
1858 | [UNIT_SOCKET] = "Socket", | |
1859 | [UNIT_TARGET] = "Target", | |
1860 | [UNIT_DEVICE] = "Device", | |
1861 | [UNIT_MOUNT] = "Mount", | |
1862 | [UNIT_AUTOMOUNT] = "Automount", | |
1863 | [UNIT_SNAPSHOT] = "Snapshot", | |
1864 | [UNIT_SWAP] = "Swap", | |
1865 | [UNIT_PATH] = "Path" | |
1866 | }; | |
1867 | ||
1868 | #define EXEC_CONTEXT_CONFIG_ITEMS(context, section) \ | |
1869 | { "WorkingDirectory", config_parse_path_printf, 0, &(context).working_directory, section }, \ | |
1870 | { "RootDirectory", config_parse_path_printf, 0, &(context).root_directory, section }, \ | |
1871 | { "User", config_parse_string_printf, 0, &(context).user, section }, \ | |
1872 | { "Group", config_parse_string_printf, 0, &(context).group, section }, \ | |
1873 | { "SupplementaryGroups", config_parse_strv, 0, &(context).supplementary_groups, section }, \ | |
1874 | { "Nice", config_parse_nice, 0, &(context), section }, \ | |
1875 | { "OOMScoreAdjust", config_parse_oom_score_adjust,0, &(context), section }, \ | |
1876 | { "IOSchedulingClass", config_parse_io_class, 0, &(context), section }, \ | |
1877 | { "IOSchedulingPriority", config_parse_io_priority, 0, &(context), section }, \ | |
1878 | { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,0, &(context), section }, \ | |
1879 | { "CPUSchedulingPriority", config_parse_cpu_sched_prio, 0, &(context), section }, \ | |
1880 | { "CPUSchedulingResetOnFork", config_parse_bool, 0, &(context).cpu_sched_reset_on_fork, section }, \ | |
1881 | { "CPUAffinity", config_parse_cpu_affinity, 0, &(context), section }, \ | |
1882 | { "UMask", config_parse_mode, 0, &(context).umask, section }, \ | |
1883 | { "Environment", config_parse_strv, 0, &(context).environment, section }, \ | |
1884 | { "EnvironmentFile", config_parse_env_file, 0, &(context).environment_files, section }, \ | |
1885 | { "StandardInput", config_parse_input, 0, &(context).std_input, section }, \ | |
1886 | { "StandardOutput", config_parse_output, 0, &(context).std_output, section }, \ | |
1887 | { "StandardError", config_parse_output, 0, &(context).std_error, section }, \ | |
1888 | { "TTYPath", config_parse_path_printf, 0, &(context).tty_path, section }, \ | |
1889 | { "TTYReset", config_parse_bool, 0, &(context).tty_reset, section }, \ | |
1890 | { "TTYVHangup", config_parse_bool, 0, &(context).tty_vhangup, section }, \ | |
1891 | { "TTYVTDisallocate", config_parse_bool, 0, &(context).tty_vt_disallocate, section }, \ | |
1892 | { "SyslogIdentifier", config_parse_string_printf, 0, &(context).syslog_identifier, section }, \ | |
1893 | { "SyslogFacility", config_parse_facility, 0, &(context).syslog_priority, section }, \ | |
1894 | { "SyslogLevel", config_parse_level, 0, &(context).syslog_priority, section }, \ | |
1895 | { "SyslogLevelPrefix", config_parse_bool, 0, &(context).syslog_level_prefix, section }, \ | |
1896 | { "Capabilities", config_parse_capabilities, 0, &(context), section }, \ | |
1897 | { "SecureBits", config_parse_secure_bits, 0, &(context), section }, \ | |
1898 | { "CapabilityBoundingSet", config_parse_bounding_set, 0, &(context), section }, \ | |
1899 | { "TimerSlackNSec", config_parse_timer_slack_nsec,0, &(context), section }, \ | |
1900 | { "LimitCPU", config_parse_limit, 0, &(context).rlimit[RLIMIT_CPU], section }, \ | |
1901 | { "LimitFSIZE", config_parse_limit, 0, &(context).rlimit[RLIMIT_FSIZE], section }, \ | |
1902 | { "LimitDATA", config_parse_limit, 0, &(context).rlimit[RLIMIT_DATA], section }, \ | |
1903 | { "LimitSTACK", config_parse_limit, 0, &(context).rlimit[RLIMIT_STACK], section }, \ | |
1904 | { "LimitCORE", config_parse_limit, 0, &(context).rlimit[RLIMIT_CORE], section }, \ | |
1905 | { "LimitRSS", config_parse_limit, 0, &(context).rlimit[RLIMIT_RSS], section }, \ | |
1906 | { "LimitNOFILE", config_parse_limit, 0, &(context).rlimit[RLIMIT_NOFILE], section }, \ | |
1907 | { "LimitAS", config_parse_limit, 0, &(context).rlimit[RLIMIT_AS], section }, \ | |
1908 | { "LimitNPROC", config_parse_limit, 0, &(context).rlimit[RLIMIT_NPROC], section }, \ | |
1909 | { "LimitMEMLOCK", config_parse_limit, 0, &(context).rlimit[RLIMIT_MEMLOCK], section }, \ | |
1910 | { "LimitLOCKS", config_parse_limit, 0, &(context).rlimit[RLIMIT_LOCKS], section }, \ | |
1911 | { "LimitSIGPENDING", config_parse_limit, 0, &(context).rlimit[RLIMIT_SIGPENDING], section }, \ | |
1912 | { "LimitMSGQUEUE", config_parse_limit, 0, &(context).rlimit[RLIMIT_MSGQUEUE], section }, \ | |
1913 | { "LimitNICE", config_parse_limit, 0, &(context).rlimit[RLIMIT_NICE], section }, \ | |
1914 | { "LimitRTPRIO", config_parse_limit, 0, &(context).rlimit[RLIMIT_RTPRIO], section }, \ | |
1915 | { "LimitRTTIME", config_parse_limit, 0, &(context).rlimit[RLIMIT_RTTIME], section }, \ | |
1916 | { "ControlGroup", config_parse_cgroup, 0, u, section }, \ | |
1917 | { "ReadWriteDirectories", config_parse_path_strv, 0, &(context).read_write_dirs, section }, \ | |
1918 | { "ReadOnlyDirectories", config_parse_path_strv, 0, &(context).read_only_dirs, section }, \ | |
1919 | { "InaccessibleDirectories",config_parse_path_strv, 0, &(context).inaccessible_dirs, section }, \ | |
1920 | { "PrivateTmp", config_parse_bool, 0, &(context).private_tmp, section }, \ | |
1921 | { "MountFlags", config_parse_mount_flags, 0, &(context), section }, \ | |
1922 | { "TCPWrapName", config_parse_string_printf, 0, &(context).tcpwrap_name, section }, \ | |
1923 | { "PAMName", config_parse_string_printf, 0, &(context).pam_name, section }, \ | |
1924 | { "KillMode", config_parse_kill_mode, 0, &(context).kill_mode, section }, \ | |
1925 | { "KillSignal", config_parse_kill_signal, 0, &(context).kill_signal, section }, \ | |
1926 | { "SendSIGKILL", config_parse_bool, 0, &(context).send_sigkill, section }, \ | |
1927 | { "UtmpIdentifier", config_parse_string_printf, 0, &(context).utmp_id, section }, \ | |
1928 | { "ControlGroupModify", config_parse_bool, 0, &(context).control_group_modify, section } | |
1929 | ||
1930 | const ConfigItem items[] = { | |
1931 | { "Names", config_parse_names, 0, u, "Unit" }, | |
1932 | { "Description", config_parse_string_printf, 0, &u->meta.description, "Unit" }, | |
1933 | { "Requires", config_parse_deps, 0, UINT_TO_PTR(UNIT_REQUIRES), "Unit" }, | |
1934 | { "RequiresOverridable", config_parse_deps, 0, UINT_TO_PTR(UNIT_REQUIRES_OVERRIDABLE), "Unit" }, | |
1935 | { "Requisite", config_parse_deps, 0, UINT_TO_PTR(UNIT_REQUISITE), "Unit" }, | |
1936 | { "RequisiteOverridable", config_parse_deps, 0, UINT_TO_PTR(UNIT_REQUISITE_OVERRIDABLE), "Unit" }, | |
1937 | { "Wants", config_parse_deps, 0, UINT_TO_PTR(UNIT_WANTS), "Unit" }, | |
1938 | { "BindTo", config_parse_deps, 0, UINT_TO_PTR(UNIT_BIND_TO), "Unit" }, | |
1939 | { "Conflicts", config_parse_deps, 0, UINT_TO_PTR(UNIT_CONFLICTS), "Unit" }, | |
1940 | { "Before", config_parse_deps, 0, UINT_TO_PTR(UNIT_BEFORE), "Unit" }, | |
1941 | { "After", config_parse_deps, 0, UINT_TO_PTR(UNIT_AFTER), "Unit" }, | |
1942 | { "OnFailure", config_parse_deps, 0, UINT_TO_PTR(UNIT_ON_FAILURE), "Unit" }, | |
1943 | { "StopWhenUnneeded", config_parse_bool, 0, &u->meta.stop_when_unneeded, "Unit" }, | |
1944 | { "RefuseManualStart", config_parse_bool, 0, &u->meta.refuse_manual_start, "Unit" }, | |
1945 | { "RefuseManualStop", config_parse_bool, 0, &u->meta.refuse_manual_stop, "Unit" }, | |
1946 | { "AllowIsolate", config_parse_bool, 0, &u->meta.allow_isolate, "Unit" }, | |
1947 | { "DefaultDependencies", config_parse_bool, 0, &u->meta.default_dependencies, "Unit" }, | |
1948 | { "OnFailureIsolate", config_parse_bool, 0, &u->meta.on_failure_isolate, "Unit" }, | |
1949 | { "IgnoreOnIsolate", config_parse_bool, 0, &u->meta.ignore_on_isolate, "Unit" }, | |
1950 | { "IgnoreOnSnapshot", config_parse_bool, 0, &u->meta.ignore_on_snapshot, "Unit" }, | |
1951 | { "JobTimeoutSec", config_parse_usec, 0, &u->meta.job_timeout, "Unit" }, | |
1952 | { "ConditionPathExists", config_parse_condition_path, CONDITION_PATH_EXISTS, u, "Unit" }, | |
1953 | { "ConditionPathIsDirectory", config_parse_condition_path, CONDITION_PATH_IS_DIRECTORY, u, "Unit" }, | |
1954 | { "ConditionDirectoryNotEmpty", config_parse_condition_path, CONDITION_DIRECTORY_NOT_EMPTY, u, "Unit" }, | |
1955 | { "ConditionKernelCommandLine", config_parse_condition_string, CONDITION_KERNEL_COMMAND_LINE, u, "Unit" }, | |
1956 | { "ConditionVirtualization", config_parse_condition_string, CONDITION_VIRTUALIZATION, u, "Unit" }, | |
1957 | { "ConditionSecurity", config_parse_condition_string, CONDITION_SECURITY, u, "Unit" }, | |
1958 | { "ConditionNull", config_parse_condition_null, 0, u, "Unit" }, | |
1959 | ||
1960 | { "PIDFile", config_parse_path_printf, 0, &u->service.pid_file, "Service" }, | |
1961 | { "ExecStartPre", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_START_PRE, "Service" }, | |
1962 | { "ExecStart", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_START, "Service" }, | |
1963 | { "ExecStartPost", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_START_POST, "Service" }, | |
1964 | { "ExecReload", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_RELOAD, "Service" }, | |
1965 | { "ExecStop", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_STOP, "Service" }, | |
1966 | { "ExecStopPost", config_parse_exec, 0, u->service.exec_command+SERVICE_EXEC_STOP_POST, "Service" }, | |
1967 | { "RestartSec", config_parse_usec, 0, &u->service.restart_usec, "Service" }, | |
1968 | { "TimeoutSec", config_parse_usec, 0, &u->service.timeout_usec, "Service" }, | |
1969 | { "Type", config_parse_service_type, 0, &u->service.type, "Service" }, | |
1970 | { "Restart", config_parse_service_restart, 0, &u->service.restart, "Service" }, | |
1971 | { "PermissionsStartOnly", config_parse_bool, 0, &u->service.permissions_start_only, "Service" }, | |
1972 | { "RootDirectoryStartOnly", config_parse_bool, 0, &u->service.root_directory_start_only, "Service" }, | |
1973 | { "RemainAfterExit", config_parse_bool, 0, &u->service.remain_after_exit, "Service" }, | |
1974 | { "GuessMainPID", config_parse_bool, 0, &u->service.guess_main_pid, "Service" }, | |
1975 | #ifdef HAVE_SYSV_COMPAT | |
1976 | { "SysVStartPriority", config_parse_sysv_priority, 0, &u->service.sysv_start_priority, "Service" }, | |
1977 | #else | |
1978 | { "SysVStartPriority", config_parse_warn_compat, 0, NULL, "Service" }, | |
1979 | #endif | |
1980 | { "NonBlocking", config_parse_bool, 0, &u->service.exec_context.non_blocking, "Service" }, | |
1981 | { "BusName", config_parse_string_printf, 0, &u->service.bus_name, "Service" }, | |
1982 | { "NotifyAccess", config_parse_notify_access, 0, &u->service.notify_access, "Service" }, | |
1983 | { "Sockets", config_parse_service_sockets, 0, &u->service, "Service" }, | |
1984 | { "FsckPassNo", config_parse_fsck_passno, 0, &u->service.fsck_passno, "Service" }, | |
1985 | EXEC_CONTEXT_CONFIG_ITEMS(u->service.exec_context, "Service"), | |
1986 | ||
1987 | { "ListenStream", config_parse_listen, 0, &u->socket, "Socket" }, | |
1988 | { "ListenDatagram", config_parse_listen, 0, &u->socket, "Socket" }, | |
1989 | { "ListenSequentialPacket", config_parse_listen, 0, &u->socket, "Socket" }, | |
1990 | { "ListenFIFO", config_parse_listen, 0, &u->socket, "Socket" }, | |
1991 | { "ListenNetlink", config_parse_listen, 0, &u->socket, "Socket" }, | |
1992 | { "ListenSpecial", config_parse_listen, 0, &u->socket, "Socket" }, | |
1993 | { "ListenMessageQueue", config_parse_listen, 0, &u->socket, "Socket" }, | |
1994 | { "BindIPv6Only", config_parse_socket_bind, 0, &u->socket, "Socket" }, | |
1995 | { "Backlog", config_parse_unsigned, 0, &u->socket.backlog, "Socket" }, | |
1996 | { "BindToDevice", config_parse_bindtodevice, 0, &u->socket, "Socket" }, | |
1997 | { "ExecStartPre", config_parse_exec, 0, u->socket.exec_command+SOCKET_EXEC_START_PRE, "Socket" }, | |
1998 | { "ExecStartPost", config_parse_exec, 0, u->socket.exec_command+SOCKET_EXEC_START_POST, "Socket" }, | |
1999 | { "ExecStopPre", config_parse_exec, 0, u->socket.exec_command+SOCKET_EXEC_STOP_PRE, "Socket" }, | |
2000 | { "ExecStopPost", config_parse_exec, 0, u->socket.exec_command+SOCKET_EXEC_STOP_POST, "Socket" }, | |
2001 | { "TimeoutSec", config_parse_usec, 0, &u->socket.timeout_usec, "Socket" }, | |
2002 | { "DirectoryMode", config_parse_mode, 0, &u->socket.directory_mode, "Socket" }, | |
2003 | { "SocketMode", config_parse_mode, 0, &u->socket.socket_mode, "Socket" }, | |
2004 | { "Accept", config_parse_bool, 0, &u->socket.accept, "Socket" }, | |
2005 | { "MaxConnections", config_parse_unsigned, 0, &u->socket.max_connections, "Socket" }, | |
2006 | { "KeepAlive", config_parse_bool, 0, &u->socket.keep_alive, "Socket" }, | |
2007 | { "Priority", config_parse_int, 0, &u->socket.priority, "Socket" }, | |
2008 | { "ReceiveBuffer", config_parse_size, 0, &u->socket.receive_buffer, "Socket" }, | |
2009 | { "SendBuffer", config_parse_size, 0, &u->socket.send_buffer, "Socket" }, | |
2010 | { "IPTOS", config_parse_ip_tos, 0, &u->socket.ip_tos, "Socket" }, | |
2011 | { "IPTTL", config_parse_int, 0, &u->socket.ip_ttl, "Socket" }, | |
2012 | { "Mark", config_parse_int, 0, &u->socket.mark, "Socket" }, | |
2013 | { "PipeSize", config_parse_size, 0, &u->socket.pipe_size, "Socket" }, | |
2014 | { "FreeBind", config_parse_bool, 0, &u->socket.free_bind, "Socket" }, | |
2015 | { "Transparent", config_parse_bool, 0, &u->socket.transparent, "Socket" }, | |
2016 | { "Broadcast", config_parse_bool, 0, &u->socket.broadcast, "Socket" }, | |
2017 | { "TCPCongestion", config_parse_string, 0, &u->socket.tcp_congestion, "Socket" }, | |
2018 | { "MessageQueueMaxMessages", config_parse_long, 0, &u->socket.mq_maxmsg, "Socket" }, | |
2019 | { "MessageQueueMessageSize", config_parse_long, 0, &u->socket.mq_msgsize, "Socket" }, | |
2020 | { "Service", config_parse_socket_service, 0, &u->socket, "Socket" }, | |
2021 | EXEC_CONTEXT_CONFIG_ITEMS(u->socket.exec_context, "Socket"), | |
2022 | ||
2023 | { "What", config_parse_string, 0, &u->mount.parameters_fragment.what, "Mount" }, | |
2024 | { "Where", config_parse_path, 0, &u->mount.where, "Mount" }, | |
2025 | { "Options", config_parse_string, 0, &u->mount.parameters_fragment.options, "Mount" }, | |
2026 | { "Type", config_parse_string, 0, &u->mount.parameters_fragment.fstype, "Mount" }, | |
2027 | { "TimeoutSec", config_parse_usec, 0, &u->mount.timeout_usec, "Mount" }, | |
2028 | { "DirectoryMode", config_parse_mode, 0, &u->mount.directory_mode, "Mount" }, | |
2029 | EXEC_CONTEXT_CONFIG_ITEMS(u->mount.exec_context, "Mount"), | |
2030 | ||
2031 | { "Where", config_parse_path, 0, &u->automount.where, "Automount" }, | |
2032 | { "DirectoryMode", config_parse_mode, 0, &u->automount.directory_mode, "Automount" }, | |
2033 | ||
2034 | { "What", config_parse_path, 0, &u->swap.parameters_fragment.what, "Swap" }, | |
2035 | { "Priority", config_parse_int, 0, &u->swap.parameters_fragment.priority, "Swap" }, | |
2036 | { "TimeoutSec", config_parse_usec, 0, &u->swap.timeout_usec, "Swap" }, | |
2037 | EXEC_CONTEXT_CONFIG_ITEMS(u->swap.exec_context, "Swap"), | |
2038 | ||
2039 | { "OnActiveSec", config_parse_timer, 0, &u->timer, "Timer" }, | |
2040 | { "OnBootSec", config_parse_timer, 0, &u->timer, "Timer" }, | |
2041 | { "OnStartupSec", config_parse_timer, 0, &u->timer, "Timer" }, | |
2042 | { "OnUnitActiveSec", config_parse_timer, 0, &u->timer, "Timer" }, | |
2043 | { "OnUnitInactiveSec", config_parse_timer, 0, &u->timer, "Timer" }, | |
2044 | { "Unit", config_parse_timer_unit, 0, &u->timer, "Timer" }, | |
2045 | ||
2046 | { "PathExists", config_parse_path_spec, 0, &u->path, "Path" }, | |
2047 | { "PathChanged", config_parse_path_spec, 0, &u->path, "Path" }, | |
2048 | { "DirectoryNotEmpty", config_parse_path_spec, 0, &u->path, "Path" }, | |
2049 | { "Unit", config_parse_path_unit, 0, &u->path, "Path" }, | |
2050 | { "MakeDirectory", config_parse_bool, 0, &u->path.make_directory, "Path" }, | |
2051 | { "DirectoryMode", config_parse_mode, 0, &u->path.directory_mode, "Path" }, | |
2052 | ||
2053 | /* The [Install] section is ignored here. */ | |
2054 | { "Alias", NULL, 0, NULL, "Install" }, | |
2055 | { "WantedBy", NULL, 0, NULL, "Install" }, | |
2056 | { "Also", NULL, 0, NULL, "Install" }, | |
2057 | ||
2058 | { NULL, NULL, 0, NULL, NULL } | |
2059 | }; | |
2060 | ||
2061 | #undef EXEC_CONTEXT_CONFIG_ITEMS | |
2062 | ||
2063 | const char *sections[4]; | |
2064 | int r; | |
2065 | Set *symlink_names; | |
2066 | FILE *f = NULL; | |
2067 | char *filename = NULL, *id = NULL; | |
2068 | Unit *merged; | |
2069 | struct stat st; | |
2070 | ||
2071 | if (!u) { | |
2072 | /* Dirty dirty hack. */ | |
2073 | dump_items((FILE*) path, items); | |
2074 | return 0; | |
2075 | } | |
2076 | ||
2077 | assert(u); | |
2078 | assert(path); | |
2079 | ||
2080 | sections[0] = "Unit"; | |
2081 | sections[1] = section_table[u->meta.type]; | |
2082 | sections[2] = "Install"; | |
2083 | sections[3] = NULL; | |
2084 | ||
2085 | if (!(symlink_names = set_new(string_hash_func, string_compare_func))) | |
2086 | return -ENOMEM; | |
2087 | ||
2088 | if (path_is_absolute(path)) { | |
2089 | ||
2090 | if (!(filename = strdup(path))) { | |
2091 | r = -ENOMEM; | |
2092 | goto finish; | |
2093 | } | |
2094 | ||
2095 | if ((r = open_follow(&filename, &f, symlink_names, &id)) < 0) { | |
2096 | free(filename); | |
2097 | filename = NULL; | |
2098 | ||
2099 | if (r != -ENOENT) | |
2100 | goto finish; | |
2101 | } | |
2102 | ||
2103 | } else { | |
2104 | char **p; | |
2105 | ||
2106 | STRV_FOREACH(p, u->meta.manager->lookup_paths.unit_path) { | |
2107 | ||
2108 | /* Instead of opening the path right away, we manually | |
2109 | * follow all symlinks and add their name to our unit | |
2110 | * name set while doing so */ | |
2111 | if (!(filename = path_make_absolute(path, *p))) { | |
2112 | r = -ENOMEM; | |
2113 | goto finish; | |
2114 | } | |
2115 | ||
2116 | if (u->meta.manager->unit_path_cache && | |
2117 | !set_get(u->meta.manager->unit_path_cache, filename)) | |
2118 | r = -ENOENT; | |
2119 | else | |
2120 | r = open_follow(&filename, &f, symlink_names, &id); | |
2121 | ||
2122 | if (r < 0) { | |
2123 | char *sn; | |
2124 | ||
2125 | free(filename); | |
2126 | filename = NULL; | |
2127 | ||
2128 | if (r != -ENOENT) | |
2129 | goto finish; | |
2130 | ||
2131 | /* Empty the symlink names for the next run */ | |
2132 | while ((sn = set_steal_first(symlink_names))) | |
2133 | free(sn); | |
2134 | ||
2135 | continue; | |
2136 | } | |
2137 | ||
2138 | break; | |
2139 | } | |
2140 | } | |
2141 | ||
2142 | if (!filename) { | |
2143 | /* Hmm, no suitable file found? */ | |
2144 | r = 0; | |
2145 | goto finish; | |
2146 | } | |
2147 | ||
2148 | merged = u; | |
2149 | if ((r = merge_by_names(&merged, symlink_names, id)) < 0) | |
2150 | goto finish; | |
2151 | ||
2152 | if (merged != u) { | |
2153 | u->meta.load_state = UNIT_MERGED; | |
2154 | r = 0; | |
2155 | goto finish; | |
2156 | } | |
2157 | ||
2158 | zero(st); | |
2159 | if (fstat(fileno(f), &st) < 0) { | |
2160 | r = -errno; | |
2161 | goto finish; | |
2162 | } | |
2163 | ||
2164 | if (null_or_empty(&st)) | |
2165 | u->meta.load_state = UNIT_MASKED; | |
2166 | else { | |
2167 | /* Now, parse the file contents */ | |
2168 | if ((r = config_parse(filename, f, sections, items, false, u)) < 0) | |
2169 | goto finish; | |
2170 | ||
2171 | u->meta.load_state = UNIT_LOADED; | |
2172 | } | |
2173 | ||
2174 | free(u->meta.fragment_path); | |
2175 | u->meta.fragment_path = filename; | |
2176 | filename = NULL; | |
2177 | ||
2178 | u->meta.fragment_mtime = timespec_load(&st.st_mtim); | |
2179 | ||
2180 | r = 0; | |
2181 | ||
2182 | finish: | |
2183 | set_free_free(symlink_names); | |
2184 | free(filename); | |
2185 | ||
2186 | if (f) | |
2187 | fclose(f); | |
2188 | ||
2189 | return r; | |
2190 | } | |
2191 | ||
2192 | int unit_load_fragment(Unit *u) { | |
2193 | int r; | |
2194 | Iterator i; | |
2195 | const char *t; | |
2196 | ||
2197 | assert(u); | |
2198 | assert(u->meta.load_state == UNIT_STUB); | |
2199 | assert(u->meta.id); | |
2200 | ||
2201 | /* First, try to find the unit under its id. We always look | |
2202 | * for unit files in the default directories, to make it easy | |
2203 | * to override things by placing things in /etc/systemd/system */ | |
2204 | if ((r = load_from_path(u, u->meta.id)) < 0) | |
2205 | return r; | |
2206 | ||
2207 | /* Try to find an alias we can load this with */ | |
2208 | if (u->meta.load_state == UNIT_STUB) | |
2209 | SET_FOREACH(t, u->meta.names, i) { | |
2210 | ||
2211 | if (t == u->meta.id) | |
2212 | continue; | |
2213 | ||
2214 | if ((r = load_from_path(u, t)) < 0) | |
2215 | return r; | |
2216 | ||
2217 | if (u->meta.load_state != UNIT_STUB) | |
2218 | break; | |
2219 | } | |
2220 | ||
2221 | /* And now, try looking for it under the suggested (originally linked) path */ | |
2222 | if (u->meta.load_state == UNIT_STUB && u->meta.fragment_path) { | |
2223 | ||
2224 | if ((r = load_from_path(u, u->meta.fragment_path)) < 0) | |
2225 | return r; | |
2226 | ||
2227 | if (u->meta.load_state == UNIT_STUB) { | |
2228 | /* Hmm, this didn't work? Then let's get rid | |
2229 | * of the fragment path stored for us, so that | |
2230 | * we don't point to an invalid location. */ | |
2231 | free(u->meta.fragment_path); | |
2232 | u->meta.fragment_path = NULL; | |
2233 | } | |
2234 | } | |
2235 | ||
2236 | /* Look for a template */ | |
2237 | if (u->meta.load_state == UNIT_STUB && u->meta.instance) { | |
2238 | char *k; | |
2239 | ||
2240 | if (!(k = unit_name_template(u->meta.id))) | |
2241 | return -ENOMEM; | |
2242 | ||
2243 | r = load_from_path(u, k); | |
2244 | free(k); | |
2245 | ||
2246 | if (r < 0) | |
2247 | return r; | |
2248 | ||
2249 | if (u->meta.load_state == UNIT_STUB) | |
2250 | SET_FOREACH(t, u->meta.names, i) { | |
2251 | ||
2252 | if (t == u->meta.id) | |
2253 | continue; | |
2254 | ||
2255 | if (!(k = unit_name_template(t))) | |
2256 | return -ENOMEM; | |
2257 | ||
2258 | r = load_from_path(u, k); | |
2259 | free(k); | |
2260 | ||
2261 | if (r < 0) | |
2262 | return r; | |
2263 | ||
2264 | if (u->meta.load_state != UNIT_STUB) | |
2265 | break; | |
2266 | } | |
2267 | } | |
2268 | ||
2269 | return 0; | |
2270 | } | |
2271 | ||
2272 | void unit_dump_config_items(FILE *f) { | |
2273 | /* OK, this wins a prize for extreme ugliness. */ | |
2274 | ||
2275 | load_from_path(NULL, (const void*) f); | |
2276 | } |