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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
3efd4195 | 2 | |
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
bb112710 | 7 | Copyright 2012 Holger Hans Peter Freyther |
a7334b09 LP |
8 | |
9 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
10 | under the terms of the GNU Lesser General Public License as published by |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
a7334b09 LP |
12 | (at your option) any later version. |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 17 | Lesser General Public License for more details. |
a7334b09 | 18 | |
5430f7f2 | 19 | You should have received a copy of the GNU Lesser General Public License |
a7334b09 LP |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
21 | ***/ | |
22 | ||
87f0e418 | 23 | #include <linux/oom.h> |
3efd4195 LP |
24 | #include <assert.h> |
25 | #include <errno.h> | |
26 | #include <string.h> | |
87f0e418 LP |
27 | #include <unistd.h> |
28 | #include <fcntl.h> | |
94f04347 LP |
29 | #include <sched.h> |
30 | #include <sys/prctl.h> | |
15ae422b | 31 | #include <sys/mount.h> |
25e870b5 | 32 | #include <linux/fs.h> |
45fb0699 | 33 | #include <sys/stat.h> |
3d57c6ab LP |
34 | #include <sys/time.h> |
35 | #include <sys/resource.h> | |
3efd4195 | 36 | |
e8e581bf ZJS |
37 | #include <systemd/sd-messages.h> |
38 | ||
87f0e418 | 39 | #include "unit.h" |
3efd4195 LP |
40 | #include "strv.h" |
41 | #include "conf-parser.h" | |
42 | #include "load-fragment.h" | |
16354eff | 43 | #include "log.h" |
9eba9da4 | 44 | #include "ioprio.h" |
94f04347 LP |
45 | #include "securebits.h" |
46 | #include "missing.h" | |
9e2f7c11 | 47 | #include "unit-name.h" |
41f9172f | 48 | #include "unit-printf.h" |
449101fc | 49 | #include "dbus-common.h" |
7f110ff9 | 50 | #include "utf8.h" |
9eb977db | 51 | #include "path-util.h" |
8351ceae | 52 | #include "syscall-list.h" |
853b8397 | 53 | #include "env-util.h" |
4ad49000 | 54 | #include "cgroup.h" |
3efd4195 | 55 | |
07459bb6 | 56 | #ifndef HAVE_SYSV_COMPAT |
e8e581bf ZJS |
57 | int config_parse_warn_compat(const char *unit, |
58 | const char *filename, | |
59 | unsigned line, | |
60 | const char *section, | |
61 | const char *lvalue, | |
62 | int ltype, | |
63 | const char *rvalue, | |
64 | void *data, | |
65 | void *userdata) { | |
66 | ||
67 | log_syntax(unit, LOG_DEBUG, filename, line, EINVAL, | |
68 | "Support for option %s= has been disabled at compile time and is ignored", | |
69 | lvalue); | |
07459bb6 FF |
70 | return 0; |
71 | } | |
72 | #endif | |
73 | ||
e8e581bf ZJS |
74 | int config_parse_unit_deps(const char* unit, |
75 | const char *filename, | |
76 | unsigned line, | |
77 | const char *section, | |
78 | const char *lvalue, | |
79 | int ltype, | |
80 | const char *rvalue, | |
81 | void *data, | |
82 | void *userdata) { | |
3efd4195 | 83 | |
f975e971 | 84 | UnitDependency d = ltype; |
87f0e418 | 85 | Unit *u = userdata; |
3efd4195 LP |
86 | char *w; |
87 | size_t l; | |
88 | char *state; | |
89 | ||
90 | assert(filename); | |
91 | assert(lvalue); | |
92 | assert(rvalue); | |
3efd4195 | 93 | |
f60f22df | 94 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
7fd1b19b | 95 | _cleanup_free_ char *t = NULL, *k = NULL; |
3efd4195 | 96 | int r; |
3efd4195 | 97 | |
57020a3a LP |
98 | t = strndup(w, l); |
99 | if (!t) | |
74051b9b | 100 | return log_oom(); |
3efd4195 | 101 | |
9e2f7c11 | 102 | k = unit_name_printf(u, t); |
9e2f7c11 | 103 | if (!k) |
74051b9b | 104 | return log_oom(); |
9e2f7c11 | 105 | |
701cc384 | 106 | r = unit_add_dependency_by_name(u, d, k, NULL, true); |
57020a3a | 107 | if (r < 0) |
e8e581bf ZJS |
108 | log_syntax(unit, LOG_ERR, filename, line, -r, |
109 | "Failed to add dependency on %s, ignoring: %s", k, strerror(-r)); | |
3efd4195 LP |
110 | } |
111 | ||
112 | return 0; | |
113 | } | |
114 | ||
e8e581bf ZJS |
115 | int config_parse_unit_string_printf(const char *unit, |
116 | const char *filename, | |
117 | unsigned line, | |
118 | const char *section, | |
119 | const char *lvalue, | |
120 | int ltype, | |
121 | const char *rvalue, | |
122 | void *data, | |
123 | void *userdata) { | |
932921b5 LP |
124 | |
125 | Unit *u = userdata; | |
74051b9b | 126 | _cleanup_free_ char *k = NULL; |
932921b5 LP |
127 | |
128 | assert(filename); | |
129 | assert(lvalue); | |
130 | assert(rvalue); | |
f2d3769a | 131 | assert(u); |
932921b5 | 132 | |
7f110ff9 LP |
133 | k = unit_full_printf(u, rvalue); |
134 | if (!k) | |
e8e581bf ZJS |
135 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
136 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
932921b5 | 137 | |
e8e581bf ZJS |
138 | return config_parse_string(unit, filename, line, section, lvalue, ltype, |
139 | k ? k : rvalue, data, userdata); | |
932921b5 LP |
140 | } |
141 | ||
e8e581bf ZJS |
142 | int config_parse_unit_strv_printf(const char *unit, |
143 | const char *filename, | |
144 | unsigned line, | |
145 | const char *section, | |
146 | const char *lvalue, | |
147 | int ltype, | |
148 | const char *rvalue, | |
149 | void *data, | |
150 | void *userdata) { | |
8fef7659 LP |
151 | |
152 | Unit *u = userdata; | |
74051b9b | 153 | _cleanup_free_ char *k = NULL; |
8fef7659 LP |
154 | |
155 | assert(filename); | |
156 | assert(lvalue); | |
157 | assert(rvalue); | |
158 | assert(u); | |
159 | ||
160 | k = unit_full_printf(u, rvalue); | |
161 | if (!k) | |
e8e581bf ZJS |
162 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
163 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
8fef7659 | 164 | |
e8e581bf ZJS |
165 | return config_parse_strv(unit, filename, line, section, lvalue, ltype, |
166 | k ? k : rvalue, data, userdata); | |
8fef7659 LP |
167 | } |
168 | ||
e8e581bf ZJS |
169 | int config_parse_unit_path_printf(const char *unit, |
170 | const char *filename, | |
171 | unsigned line, | |
172 | const char *section, | |
173 | const char *lvalue, | |
174 | int ltype, | |
175 | const char *rvalue, | |
176 | void *data, | |
177 | void *userdata) { | |
6ea832a2 LP |
178 | |
179 | Unit *u = userdata; | |
74051b9b | 180 | _cleanup_free_ char *k = NULL; |
6ea832a2 LP |
181 | |
182 | assert(filename); | |
183 | assert(lvalue); | |
184 | assert(rvalue); | |
6ea832a2 LP |
185 | assert(u); |
186 | ||
7f110ff9 LP |
187 | k = unit_full_printf(u, rvalue); |
188 | if (!k) | |
e8e581bf ZJS |
189 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
190 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
6ea832a2 | 191 | |
e8e581bf ZJS |
192 | return config_parse_path(unit, filename, line, section, lvalue, ltype, |
193 | k ? k : rvalue, data, userdata); | |
6ea832a2 LP |
194 | } |
195 | ||
e8e581bf ZJS |
196 | int config_parse_socket_listen(const char *unit, |
197 | const char *filename, | |
198 | unsigned line, | |
199 | const char *section, | |
200 | const char *lvalue, | |
201 | int ltype, | |
202 | const char *rvalue, | |
203 | void *data, | |
204 | void *userdata) { | |
42f4e3c4 | 205 | |
49f91047 | 206 | SocketPort *p, *tail; |
542563ba | 207 | Socket *s; |
16354eff | 208 | |
42f4e3c4 LP |
209 | assert(filename); |
210 | assert(lvalue); | |
211 | assert(rvalue); | |
212 | assert(data); | |
213 | ||
595ed347 | 214 | s = SOCKET(data); |
542563ba | 215 | |
74051b9b LP |
216 | if (isempty(rvalue)) { |
217 | /* An empty assignment removes all ports */ | |
218 | socket_free_ports(s); | |
219 | return 0; | |
220 | } | |
221 | ||
7f110ff9 LP |
222 | p = new0(SocketPort, 1); |
223 | if (!p) | |
74051b9b | 224 | return log_oom(); |
916abb21 | 225 | |
74051b9b | 226 | if (ltype != SOCKET_SOCKET) { |
916abb21 | 227 | |
74051b9b LP |
228 | p->type = ltype; |
229 | p->path = unit_full_printf(UNIT(s), rvalue); | |
230 | if (!p->path) { | |
487060c2 LP |
231 | p->path = strdup(rvalue); |
232 | if (!p->path) { | |
233 | free(p); | |
234 | return log_oom(); | |
235 | } else | |
e8e581bf ZJS |
236 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
237 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
916abb21 LP |
238 | } |
239 | ||
240 | path_kill_slashes(p->path); | |
241 | ||
7a22745a | 242 | } else if (streq(lvalue, "ListenNetlink")) { |
74051b9b | 243 | _cleanup_free_ char *k = NULL; |
1fd45a90 LP |
244 | int r; |
245 | ||
7a22745a | 246 | p->type = SOCKET_SOCKET; |
1fd45a90 | 247 | k = unit_full_printf(UNIT(s), rvalue); |
487060c2 | 248 | if (!k) |
e8e581bf ZJS |
249 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
250 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
7a22745a | 251 | |
487060c2 | 252 | r = socket_address_parse_netlink(&p->address, k ? k : rvalue); |
1fd45a90 | 253 | if (r < 0) { |
e8e581bf ZJS |
254 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
255 | "Failed to parse address value, ignoring: %s", rvalue); | |
7a22745a LP |
256 | free(p); |
257 | return 0; | |
258 | } | |
259 | ||
542563ba | 260 | } else { |
74051b9b | 261 | _cleanup_free_ char *k = NULL; |
1fd45a90 LP |
262 | int r; |
263 | ||
542563ba | 264 | p->type = SOCKET_SOCKET; |
1fd45a90 | 265 | k = unit_full_printf(UNIT(s), rvalue); |
487060c2 | 266 | if (!k) |
e8e581bf ZJS |
267 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
268 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
542563ba | 269 | |
487060c2 | 270 | r = socket_address_parse(&p->address, k ? k : rvalue); |
1fd45a90 | 271 | if (r < 0) { |
e8e581bf ZJS |
272 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
273 | "Failed to parse address value, ignoring: %s", rvalue); | |
542563ba | 274 | free(p); |
c0b34696 | 275 | return 0; |
542563ba LP |
276 | } |
277 | ||
278 | if (streq(lvalue, "ListenStream")) | |
279 | p->address.type = SOCK_STREAM; | |
280 | else if (streq(lvalue, "ListenDatagram")) | |
281 | p->address.type = SOCK_DGRAM; | |
282 | else { | |
283 | assert(streq(lvalue, "ListenSequentialPacket")); | |
284 | p->address.type = SOCK_SEQPACKET; | |
285 | } | |
286 | ||
287 | if (socket_address_family(&p->address) != AF_LOCAL && p->address.type == SOCK_SEQPACKET) { | |
e8e581bf ZJS |
288 | log_syntax(unit, LOG_ERR, filename, line, ENOTSUP, |
289 | "Address family not supported, ignoring: %s", rvalue); | |
542563ba | 290 | free(p); |
c0b34696 | 291 | return 0; |
542563ba | 292 | } |
16354eff LP |
293 | } |
294 | ||
542563ba | 295 | p->fd = -1; |
49f91047 LP |
296 | |
297 | if (s->ports) { | |
298 | LIST_FIND_TAIL(SocketPort, port, s->ports, tail); | |
299 | LIST_INSERT_AFTER(SocketPort, port, s->ports, tail, p); | |
300 | } else | |
301 | LIST_PREPEND(SocketPort, port, s->ports, p); | |
542563ba | 302 | |
16354eff | 303 | return 0; |
42f4e3c4 LP |
304 | } |
305 | ||
e8e581bf ZJS |
306 | int config_parse_socket_bind(const char *unit, |
307 | const char *filename, | |
308 | unsigned line, | |
309 | const char *section, | |
310 | const char *lvalue, | |
311 | int ltype, | |
312 | const char *rvalue, | |
313 | void *data, | |
314 | void *userdata) { | |
42f4e3c4 | 315 | |
542563ba | 316 | Socket *s; |
c0120d99 | 317 | SocketAddressBindIPv6Only b; |
42f4e3c4 LP |
318 | |
319 | assert(filename); | |
320 | assert(lvalue); | |
321 | assert(rvalue); | |
322 | assert(data); | |
323 | ||
595ed347 | 324 | s = SOCKET(data); |
542563ba | 325 | |
5198dabc LP |
326 | b = socket_address_bind_ipv6_only_from_string(rvalue); |
327 | if (b < 0) { | |
c0120d99 LP |
328 | int r; |
329 | ||
5198dabc LP |
330 | r = parse_boolean(rvalue); |
331 | if (r < 0) { | |
e8e581bf ZJS |
332 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
333 | "Failed to parse bind IPv6 only value, ignoring: %s", rvalue); | |
c0b34696 | 334 | return 0; |
c0120d99 | 335 | } |
42f4e3c4 | 336 | |
c0120d99 LP |
337 | s->bind_ipv6_only = r ? SOCKET_ADDRESS_IPV6_ONLY : SOCKET_ADDRESS_BOTH; |
338 | } else | |
339 | s->bind_ipv6_only = b; | |
542563ba | 340 | |
42f4e3c4 LP |
341 | return 0; |
342 | } | |
343 | ||
e8e581bf ZJS |
344 | int config_parse_exec_nice(const char *unit, |
345 | const char *filename, | |
346 | unsigned line, | |
347 | const char *section, | |
348 | const char *lvalue, | |
349 | int ltype, | |
350 | const char *rvalue, | |
351 | void *data, | |
352 | void *userdata) { | |
034c6ed7 | 353 | |
fb33a393 | 354 | ExecContext *c = data; |
e8e581bf | 355 | int priority, r; |
034c6ed7 LP |
356 | |
357 | assert(filename); | |
358 | assert(lvalue); | |
359 | assert(rvalue); | |
360 | assert(data); | |
361 | ||
e8e581bf ZJS |
362 | r = safe_atoi(rvalue, &priority); |
363 | if (r < 0) { | |
364 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
365 | "Failed to parse nice priority, ignoring: %s. ", rvalue); | |
c0b34696 | 366 | return 0; |
034c6ed7 LP |
367 | } |
368 | ||
369 | if (priority < PRIO_MIN || priority >= PRIO_MAX) { | |
e8e581bf ZJS |
370 | log_syntax(unit, LOG_ERR, filename, line, ERANGE, |
371 | "Nice priority out of range, ignoring: %s", rvalue); | |
c0b34696 | 372 | return 0; |
034c6ed7 LP |
373 | } |
374 | ||
fb33a393 | 375 | c->nice = priority; |
71155933 | 376 | c->nice_set = true; |
fb33a393 | 377 | |
034c6ed7 LP |
378 | return 0; |
379 | } | |
380 | ||
e8e581bf ZJS |
381 | int config_parse_exec_oom_score_adjust(const char* unit, |
382 | const char *filename, | |
383 | unsigned line, | |
384 | const char *section, | |
385 | const char *lvalue, | |
386 | int ltype, | |
387 | const char *rvalue, | |
388 | void *data, | |
389 | void *userdata) { | |
034c6ed7 | 390 | |
fb33a393 | 391 | ExecContext *c = data; |
e8e581bf | 392 | int oa, r; |
034c6ed7 LP |
393 | |
394 | assert(filename); | |
395 | assert(lvalue); | |
396 | assert(rvalue); | |
397 | assert(data); | |
398 | ||
e8e581bf ZJS |
399 | r = safe_atoi(rvalue, &oa); |
400 | if (r < 0) { | |
401 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
402 | "Failed to parse the OOM score adjust value, ignoring: %s", rvalue); | |
c0b34696 | 403 | return 0; |
034c6ed7 LP |
404 | } |
405 | ||
dd6c17b1 | 406 | if (oa < OOM_SCORE_ADJ_MIN || oa > OOM_SCORE_ADJ_MAX) { |
e8e581bf ZJS |
407 | log_syntax(unit, LOG_ERR, filename, line, ERANGE, |
408 | "OOM score adjust value out of range, ignoring: %s", rvalue); | |
c0b34696 | 409 | return 0; |
034c6ed7 LP |
410 | } |
411 | ||
dd6c17b1 LP |
412 | c->oom_score_adjust = oa; |
413 | c->oom_score_adjust_set = true; | |
fb33a393 | 414 | |
034c6ed7 LP |
415 | return 0; |
416 | } | |
417 | ||
e8e581bf ZJS |
418 | int config_parse_exec(const char *unit, |
419 | const char *filename, | |
420 | unsigned line, | |
421 | const char *section, | |
422 | const char *lvalue, | |
423 | int ltype, | |
424 | const char *rvalue, | |
425 | void *data, | |
426 | void *userdata) { | |
034c6ed7 | 427 | |
61e5d8ed LP |
428 | ExecCommand **e = data, *nce; |
429 | char *path, **n; | |
034c6ed7 | 430 | unsigned k; |
7f110ff9 | 431 | int r; |
034c6ed7 LP |
432 | |
433 | assert(filename); | |
434 | assert(lvalue); | |
435 | assert(rvalue); | |
61e5d8ed | 436 | assert(e); |
034c6ed7 | 437 | |
74051b9b LP |
438 | e += ltype; |
439 | ||
440 | if (isempty(rvalue)) { | |
441 | /* An empty assignment resets the list */ | |
442 | exec_command_free_list(*e); | |
443 | *e = NULL; | |
444 | return 0; | |
445 | } | |
446 | ||
6c666e26 LP |
447 | /* We accept an absolute path as first argument, or |
448 | * alternatively an absolute prefixed with @ to allow | |
449 | * overriding of argv[0]. */ | |
61e5d8ed | 450 | for (;;) { |
0f67f1ef | 451 | int i; |
61e5d8ed LP |
452 | char *w; |
453 | size_t l; | |
454 | char *state; | |
b708e7ce | 455 | bool honour_argv0 = false, ignore = false; |
6c666e26 | 456 | |
61e5d8ed LP |
457 | path = NULL; |
458 | nce = NULL; | |
459 | n = NULL; | |
6c666e26 | 460 | |
61e5d8ed | 461 | rvalue += strspn(rvalue, WHITESPACE); |
034c6ed7 | 462 | |
61e5d8ed LP |
463 | if (rvalue[0] == 0) |
464 | break; | |
034c6ed7 | 465 | |
0f67f1ef ZJS |
466 | for (i = 0; i < 2; i++) { |
467 | if (rvalue[0] == '-' && !ignore) { | |
468 | ignore = true; | |
469 | rvalue ++; | |
470 | } | |
b708e7ce | 471 | |
0f67f1ef ZJS |
472 | if (rvalue[0] == '@' && !honour_argv0) { |
473 | honour_argv0 = true; | |
474 | rvalue ++; | |
475 | } | |
b708e7ce | 476 | } |
61e5d8ed | 477 | |
b708e7ce | 478 | if (*rvalue != '/') { |
e8e581bf ZJS |
479 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
480 | "Executable path is not absolute, ignoring: %s", rvalue); | |
c0b34696 | 481 | return 0; |
6c666e26 | 482 | } |
034c6ed7 | 483 | |
61e5d8ed LP |
484 | k = 0; |
485 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
641906e9 | 486 | if (strneq(w, ";", MAX(l, 1U))) |
61e5d8ed | 487 | break; |
034c6ed7 | 488 | |
61e5d8ed LP |
489 | k++; |
490 | } | |
034c6ed7 | 491 | |
7f110ff9 LP |
492 | n = new(char*, k + !honour_argv0); |
493 | if (!n) | |
74051b9b | 494 | return log_oom(); |
61e5d8ed LP |
495 | |
496 | k = 0; | |
61e5d8ed | 497 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
641906e9 | 498 | if (strneq(w, ";", MAX(l, 1U))) |
61e5d8ed | 499 | break; |
641906e9 | 500 | else if (strneq(w, "\\;", MAX(l, 1U))) |
7e1a84f5 | 501 | w ++; |
61e5d8ed | 502 | |
b708e7ce LP |
503 | if (honour_argv0 && w == rvalue) { |
504 | assert(!path); | |
7f110ff9 LP |
505 | |
506 | path = strndup(w, l); | |
507 | if (!path) { | |
74051b9b | 508 | r = log_oom(); |
7f110ff9 LP |
509 | goto fail; |
510 | } | |
511 | ||
512 | if (!utf8_is_valid(path)) { | |
e8e581bf ZJS |
513 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
514 | "Path is not UTF-8 clean, ignoring assignment: %s", | |
515 | rvalue); | |
7f110ff9 | 516 | r = 0; |
61e5d8ed | 517 | goto fail; |
7f110ff9 LP |
518 | } |
519 | ||
61e5d8ed | 520 | } else { |
7f110ff9 LP |
521 | char *c; |
522 | ||
523 | c = n[k++] = cunescape_length(w, l); | |
524 | if (!c) { | |
74051b9b | 525 | r = log_oom(); |
61e5d8ed | 526 | goto fail; |
7f110ff9 LP |
527 | } |
528 | ||
529 | if (!utf8_is_valid(c)) { | |
e8e581bf ZJS |
530 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
531 | "Path is not UTF-8 clean, ignoring assignment: %s", | |
532 | rvalue); | |
7f110ff9 LP |
533 | r = 0; |
534 | goto fail; | |
535 | } | |
61e5d8ed LP |
536 | } |
537 | } | |
538 | ||
539 | n[k] = NULL; | |
540 | ||
541 | if (!n[0]) { | |
e8e581bf ZJS |
542 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
543 | "Invalid command line, ignoring: %s", rvalue); | |
7f110ff9 LP |
544 | r = 0; |
545 | goto fail; | |
61e5d8ed LP |
546 | } |
547 | ||
7f110ff9 LP |
548 | if (!path) { |
549 | path = strdup(n[0]); | |
550 | if (!path) { | |
74051b9b | 551 | r = log_oom(); |
61e5d8ed | 552 | goto fail; |
7f110ff9 LP |
553 | } |
554 | } | |
6c666e26 | 555 | |
61e5d8ed | 556 | assert(path_is_absolute(path)); |
6c666e26 | 557 | |
7f110ff9 LP |
558 | nce = new0(ExecCommand, 1); |
559 | if (!nce) { | |
74051b9b | 560 | r = log_oom(); |
61e5d8ed | 561 | goto fail; |
7f110ff9 | 562 | } |
61e5d8ed LP |
563 | |
564 | nce->argv = n; | |
565 | nce->path = path; | |
b708e7ce | 566 | nce->ignore = ignore; |
034c6ed7 | 567 | |
61e5d8ed | 568 | path_kill_slashes(nce->path); |
034c6ed7 | 569 | |
61e5d8ed | 570 | exec_command_append_list(e, nce); |
01f78473 | 571 | |
61e5d8ed LP |
572 | rvalue = state; |
573 | } | |
034c6ed7 LP |
574 | |
575 | return 0; | |
576 | ||
577 | fail: | |
6c666e26 LP |
578 | n[k] = NULL; |
579 | strv_free(n); | |
580 | free(path); | |
034c6ed7 LP |
581 | free(nce); |
582 | ||
7f110ff9 | 583 | return r; |
034c6ed7 LP |
584 | } |
585 | ||
f975e971 LP |
586 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_type, service_type, ServiceType, "Failed to parse service type"); |
587 | DEFINE_CONFIG_PARSE_ENUM(config_parse_service_restart, service_restart, ServiceRestart, "Failed to parse service restart specifier"); | |
034c6ed7 | 588 | |
e8e581bf ZJS |
589 | int config_parse_socket_bindtodevice(const char* unit, |
590 | const char *filename, | |
591 | unsigned line, | |
592 | const char *section, | |
593 | const char *lvalue, | |
594 | int ltype, | |
595 | const char *rvalue, | |
596 | void *data, | |
597 | void *userdata) { | |
acbb0225 LP |
598 | |
599 | Socket *s = data; | |
600 | char *n; | |
601 | ||
602 | assert(filename); | |
603 | assert(lvalue); | |
604 | assert(rvalue); | |
605 | assert(data); | |
606 | ||
607 | if (rvalue[0] && !streq(rvalue, "*")) { | |
74051b9b LP |
608 | n = strdup(rvalue); |
609 | if (!n) | |
610 | return log_oom(); | |
acbb0225 LP |
611 | } else |
612 | n = NULL; | |
613 | ||
614 | free(s->bind_to_device); | |
615 | s->bind_to_device = n; | |
616 | ||
617 | return 0; | |
618 | } | |
619 | ||
f975e971 LP |
620 | DEFINE_CONFIG_PARSE_ENUM(config_parse_output, exec_output, ExecOutput, "Failed to parse output specifier"); |
621 | DEFINE_CONFIG_PARSE_ENUM(config_parse_input, exec_input, ExecInput, "Failed to parse input specifier"); | |
87f0e418 | 622 | |
e8e581bf ZJS |
623 | int config_parse_exec_io_class(const char *unit, |
624 | const char *filename, | |
625 | unsigned line, | |
626 | const char *section, | |
627 | const char *lvalue, | |
628 | int ltype, | |
629 | const char *rvalue, | |
630 | void *data, | |
631 | void *userdata) { | |
94f04347 LP |
632 | |
633 | ExecContext *c = data; | |
634 | int x; | |
635 | ||
636 | assert(filename); | |
637 | assert(lvalue); | |
638 | assert(rvalue); | |
639 | assert(data); | |
640 | ||
f8b69d1d MS |
641 | x = ioprio_class_from_string(rvalue); |
642 | if (x < 0) { | |
e8e581bf ZJS |
643 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
644 | "Failed to parse IO scheduling class, ignoring: %s", rvalue); | |
c0b34696 | 645 | return 0; |
0d87eb42 | 646 | } |
94f04347 LP |
647 | |
648 | c->ioprio = IOPRIO_PRIO_VALUE(x, IOPRIO_PRIO_DATA(c->ioprio)); | |
649 | c->ioprio_set = true; | |
650 | ||
651 | return 0; | |
652 | } | |
653 | ||
e8e581bf ZJS |
654 | int config_parse_exec_io_priority(const char *unit, |
655 | const char *filename, | |
656 | unsigned line, | |
657 | const char *section, | |
658 | const char *lvalue, | |
659 | int ltype, | |
660 | const char *rvalue, | |
661 | void *data, | |
662 | void *userdata) { | |
94f04347 LP |
663 | |
664 | ExecContext *c = data; | |
e8e581bf | 665 | int i, r; |
94f04347 LP |
666 | |
667 | assert(filename); | |
668 | assert(lvalue); | |
669 | assert(rvalue); | |
670 | assert(data); | |
671 | ||
e8e581bf ZJS |
672 | r = safe_atoi(rvalue, &i); |
673 | if (r < 0 || i < 0 || i >= IOPRIO_BE_NR) { | |
674 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
675 | "Failed to parse IO priority, ignoring: %s", rvalue); | |
c0b34696 | 676 | return 0; |
071830ff LP |
677 | } |
678 | ||
94f04347 LP |
679 | c->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_PRIO_CLASS(c->ioprio), i); |
680 | c->ioprio_set = true; | |
681 | ||
071830ff LP |
682 | return 0; |
683 | } | |
684 | ||
e8e581bf ZJS |
685 | int config_parse_exec_cpu_sched_policy(const char *unit, |
686 | const char *filename, | |
687 | unsigned line, | |
688 | const char *section, | |
689 | const char *lvalue, | |
690 | int ltype, | |
691 | const char *rvalue, | |
692 | void *data, | |
693 | void *userdata) { | |
9eba9da4 | 694 | |
94f04347 LP |
695 | |
696 | ExecContext *c = data; | |
697 | int x; | |
698 | ||
699 | assert(filename); | |
700 | assert(lvalue); | |
701 | assert(rvalue); | |
702 | assert(data); | |
703 | ||
f8b69d1d MS |
704 | x = sched_policy_from_string(rvalue); |
705 | if (x < 0) { | |
e8e581bf ZJS |
706 | log_syntax(unit, LOG_ERR, filename, line, -x, |
707 | "Failed to parse CPU scheduling policy, ignoring: %s", rvalue); | |
c0b34696 | 708 | return 0; |
0d87eb42 | 709 | } |
94f04347 LP |
710 | |
711 | c->cpu_sched_policy = x; | |
bb112710 HHPF |
712 | /* Moving to or from real-time policy? We need to adjust the priority */ |
713 | c->cpu_sched_priority = CLAMP(c->cpu_sched_priority, sched_get_priority_min(x), sched_get_priority_max(x)); | |
94f04347 LP |
714 | c->cpu_sched_set = true; |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
e8e581bf ZJS |
719 | int config_parse_exec_cpu_sched_prio(const char *unit, |
720 | const char *filename, | |
721 | unsigned line, | |
722 | const char *section, | |
723 | const char *lvalue, | |
724 | int ltype, | |
725 | const char *rvalue, | |
726 | void *data, | |
727 | void *userdata) { | |
9eba9da4 LP |
728 | |
729 | ExecContext *c = data; | |
e8e581bf | 730 | int i, min, max, r; |
9eba9da4 LP |
731 | |
732 | assert(filename); | |
733 | assert(lvalue); | |
734 | assert(rvalue); | |
735 | assert(data); | |
736 | ||
e8e581bf ZJS |
737 | r = safe_atoi(rvalue, &i); |
738 | if (r < 0) { | |
739 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
740 | "Failed to parse CPU scheduling policy, ignoring: %s", rvalue); | |
c0b34696 | 741 | return 0; |
94f04347 | 742 | } |
9eba9da4 | 743 | |
bb112710 HHPF |
744 | /* On Linux RR/FIFO range from 1 to 99 and OTHER/BATCH may only be 0 */ |
745 | min = sched_get_priority_min(c->cpu_sched_policy); | |
746 | max = sched_get_priority_max(c->cpu_sched_policy); | |
747 | ||
748 | if (i < min || i > max) { | |
e8e581bf ZJS |
749 | log_syntax(unit, LOG_ERR, filename, line, ERANGE, |
750 | "CPU scheduling priority is out of range, ignoring: %s", rvalue); | |
bb112710 HHPF |
751 | return 0; |
752 | } | |
753 | ||
94f04347 LP |
754 | c->cpu_sched_priority = i; |
755 | c->cpu_sched_set = true; | |
756 | ||
757 | return 0; | |
758 | } | |
759 | ||
e8e581bf ZJS |
760 | int config_parse_exec_cpu_affinity(const char *unit, |
761 | const char *filename, | |
762 | unsigned line, | |
763 | const char *section, | |
764 | const char *lvalue, | |
765 | int ltype, | |
766 | const char *rvalue, | |
767 | void *data, | |
768 | void *userdata) { | |
94f04347 LP |
769 | |
770 | ExecContext *c = data; | |
771 | char *w; | |
772 | size_t l; | |
773 | char *state; | |
774 | ||
775 | assert(filename); | |
776 | assert(lvalue); | |
777 | assert(rvalue); | |
778 | assert(data); | |
779 | ||
74051b9b LP |
780 | if (isempty(rvalue)) { |
781 | /* An empty assignment resets the CPU list */ | |
782 | if (c->cpuset) | |
783 | CPU_FREE(c->cpuset); | |
784 | c->cpuset = NULL; | |
785 | return 0; | |
786 | } | |
787 | ||
f60f22df | 788 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
7fd1b19b | 789 | _cleanup_free_ char *t = NULL; |
94f04347 LP |
790 | int r; |
791 | unsigned cpu; | |
792 | ||
c040936b ZJS |
793 | t = strndup(w, l); |
794 | if (!t) | |
74051b9b | 795 | return log_oom(); |
94f04347 | 796 | |
487393e9 | 797 | r = safe_atou(t, &cpu); |
487393e9 | 798 | |
c040936b ZJS |
799 | if (!c->cpuset) { |
800 | c->cpuset = cpu_set_malloc(&c->cpuset_ncpus); | |
801 | if (!c->cpuset) | |
74051b9b | 802 | return log_oom(); |
c040936b | 803 | } |
82c121a4 | 804 | |
82c121a4 | 805 | if (r < 0 || cpu >= c->cpuset_ncpus) { |
e8e581bf ZJS |
806 | log_syntax(unit, LOG_ERR, filename, line, ERANGE, |
807 | "Failed to parse CPU affinity '%s', ignoring: %s", t, rvalue); | |
c0b34696 | 808 | return 0; |
9eba9da4 | 809 | } |
94f04347 | 810 | |
82c121a4 | 811 | CPU_SET_S(cpu, CPU_ALLOC_SIZE(c->cpuset_ncpus), c->cpuset); |
9eba9da4 LP |
812 | } |
813 | ||
94f04347 LP |
814 | return 0; |
815 | } | |
816 | ||
e8e581bf ZJS |
817 | int config_parse_exec_capabilities(const char *unit, |
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) { | |
94f04347 LP |
826 | |
827 | ExecContext *c = data; | |
828 | cap_t cap; | |
829 | ||
830 | assert(filename); | |
831 | assert(lvalue); | |
832 | assert(rvalue); | |
833 | assert(data); | |
834 | ||
74051b9b LP |
835 | cap = cap_from_text(rvalue); |
836 | if (!cap) { | |
e8e581bf ZJS |
837 | log_syntax(unit, LOG_ERR, filename, line, errno, |
838 | "Failed to parse capabilities, ignoring: %s", rvalue); | |
c0b34696 | 839 | return 0; |
94f04347 LP |
840 | } |
841 | ||
842 | if (c->capabilities) | |
843 | cap_free(c->capabilities); | |
844 | c->capabilities = cap; | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
e8e581bf ZJS |
849 | int config_parse_exec_secure_bits(const char *unit, |
850 | const char *filename, | |
851 | unsigned line, | |
852 | const char *section, | |
853 | const char *lvalue, | |
854 | int ltype, | |
855 | const char *rvalue, | |
856 | void *data, | |
857 | void *userdata) { | |
94f04347 LP |
858 | |
859 | ExecContext *c = data; | |
860 | char *w; | |
861 | size_t l; | |
862 | char *state; | |
863 | ||
864 | assert(filename); | |
865 | assert(lvalue); | |
866 | assert(rvalue); | |
867 | assert(data); | |
868 | ||
74051b9b LP |
869 | if (isempty(rvalue)) { |
870 | /* An empty assignment resets the field */ | |
871 | c->secure_bits = 0; | |
872 | return 0; | |
873 | } | |
874 | ||
f60f22df | 875 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
94f04347 | 876 | if (first_word(w, "keep-caps")) |
cbb21cca | 877 | c->secure_bits |= 1<<SECURE_KEEP_CAPS; |
94f04347 | 878 | else if (first_word(w, "keep-caps-locked")) |
cbb21cca | 879 | c->secure_bits |= 1<<SECURE_KEEP_CAPS_LOCKED; |
94f04347 | 880 | else if (first_word(w, "no-setuid-fixup")) |
cbb21cca | 881 | c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP; |
94f04347 | 882 | else if (first_word(w, "no-setuid-fixup-locked")) |
cbb21cca | 883 | c->secure_bits |= 1<<SECURE_NO_SETUID_FIXUP_LOCKED; |
94f04347 | 884 | else if (first_word(w, "noroot")) |
cbb21cca | 885 | c->secure_bits |= 1<<SECURE_NOROOT; |
94f04347 | 886 | else if (first_word(w, "noroot-locked")) |
cbb21cca | 887 | c->secure_bits |= 1<<SECURE_NOROOT_LOCKED; |
9eba9da4 | 888 | else { |
e8e581bf ZJS |
889 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
890 | "Failed to parse secure bits, ignoring: %s", rvalue); | |
c0b34696 | 891 | return 0; |
9eba9da4 LP |
892 | } |
893 | } | |
894 | ||
94f04347 LP |
895 | return 0; |
896 | } | |
897 | ||
e8e581bf ZJS |
898 | int config_parse_bounding_set(const char *unit, |
899 | const char *filename, | |
900 | unsigned line, | |
901 | const char *section, | |
902 | const char *lvalue, | |
903 | int ltype, | |
904 | const char *rvalue, | |
905 | void *data, | |
906 | void *userdata) { | |
94f04347 | 907 | |
ec8927ca | 908 | uint64_t *capability_bounding_set_drop = data; |
94f04347 LP |
909 | char *w; |
910 | size_t l; | |
911 | char *state; | |
260abb78 LP |
912 | bool invert = false; |
913 | uint64_t sum = 0; | |
94f04347 LP |
914 | |
915 | assert(filename); | |
916 | assert(lvalue); | |
917 | assert(rvalue); | |
918 | assert(data); | |
919 | ||
260abb78 LP |
920 | if (rvalue[0] == '~') { |
921 | invert = true; | |
922 | rvalue++; | |
923 | } | |
924 | ||
925 | /* Note that we store this inverted internally, since the | |
926 | * kernel wants it like this. But we actually expose it | |
927 | * non-inverted everywhere to have a fully normalized | |
928 | * interface. */ | |
929 | ||
f60f22df | 930 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
7fd1b19b | 931 | _cleanup_free_ char *t = NULL; |
94f04347 LP |
932 | int r; |
933 | cap_value_t cap; | |
934 | ||
ec8927ca LP |
935 | t = strndup(w, l); |
936 | if (!t) | |
74051b9b | 937 | return log_oom(); |
94f04347 LP |
938 | |
939 | r = cap_from_name(t, &cap); | |
94f04347 | 940 | if (r < 0) { |
e8e581bf ZJS |
941 | log_syntax(unit, LOG_ERR, filename, line, errno, |
942 | "Failed to parse capability in bounding set, ignoring: %s", t); | |
8351ceae | 943 | continue; |
94f04347 LP |
944 | } |
945 | ||
260abb78 | 946 | sum |= ((uint64_t) 1ULL) << (uint64_t) cap; |
94f04347 | 947 | } |
9eba9da4 | 948 | |
260abb78 | 949 | if (invert) |
ec8927ca | 950 | *capability_bounding_set_drop |= sum; |
260abb78 | 951 | else |
ec8927ca | 952 | *capability_bounding_set_drop |= ~sum; |
260abb78 | 953 | |
9eba9da4 LP |
954 | return 0; |
955 | } | |
956 | ||
e8e581bf ZJS |
957 | int config_parse_limit(const char *unit, |
958 | const char *filename, | |
959 | unsigned line, | |
960 | const char *section, | |
961 | const char *lvalue, | |
962 | int ltype, | |
963 | const char *rvalue, | |
964 | void *data, | |
965 | void *userdata) { | |
94f04347 LP |
966 | |
967 | struct rlimit **rl = data; | |
968 | unsigned long long u; | |
94f04347 LP |
969 | |
970 | assert(filename); | |
971 | assert(lvalue); | |
972 | assert(rvalue); | |
973 | assert(data); | |
974 | ||
f975e971 LP |
975 | rl += ltype; |
976 | ||
3d57c6ab LP |
977 | if (streq(rvalue, "infinity")) |
978 | u = (unsigned long long) RLIM_INFINITY; | |
e8e581bf ZJS |
979 | else { |
980 | int r; | |
981 | ||
982 | r = safe_atollu(rvalue, &u); | |
983 | if (r < 0) { | |
984 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
985 | "Failed to parse resource value, ignoring: %s", rvalue); | |
986 | return 0; | |
987 | } | |
94f04347 LP |
988 | } |
989 | ||
74051b9b LP |
990 | if (!*rl) { |
991 | *rl = new(struct rlimit, 1); | |
992 | if (!*rl) | |
993 | return log_oom(); | |
994 | } | |
9eba9da4 | 995 | |
94f04347 | 996 | (*rl)->rlim_cur = (*rl)->rlim_max = (rlim_t) u; |
9eba9da4 LP |
997 | return 0; |
998 | } | |
999 | ||
07459bb6 | 1000 | #ifdef HAVE_SYSV_COMPAT |
e8e581bf ZJS |
1001 | int config_parse_sysv_priority(const char *unit, |
1002 | const char *filename, | |
1003 | unsigned line, | |
1004 | const char *section, | |
1005 | const char *lvalue, | |
1006 | int ltype, | |
1007 | const char *rvalue, | |
1008 | void *data, | |
1009 | void *userdata) { | |
a9a1e00a LP |
1010 | |
1011 | int *priority = data; | |
e8e581bf | 1012 | int i, r; |
a9a1e00a LP |
1013 | |
1014 | assert(filename); | |
1015 | assert(lvalue); | |
1016 | assert(rvalue); | |
1017 | assert(data); | |
1018 | ||
e8e581bf ZJS |
1019 | r = safe_atoi(rvalue, &i); |
1020 | if (r < 0 || i < 0) { | |
1021 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
1022 | "Failed to parse SysV start priority, ignoring: %s", rvalue); | |
c0b34696 | 1023 | return 0; |
a9a1e00a LP |
1024 | } |
1025 | ||
1026 | *priority = (int) i; | |
1027 | return 0; | |
1028 | } | |
07459bb6 | 1029 | #endif |
a9a1e00a | 1030 | |
e8e581bf ZJS |
1031 | int config_parse_fsck_passno(const char *unit, |
1032 | const char *filename, | |
1033 | unsigned line, | |
1034 | const char *section, | |
1035 | const char *lvalue, | |
1036 | int ltype, | |
1037 | const char *rvalue, | |
1038 | void *data, | |
1039 | void *userdata) { | |
2ba545f1 LP |
1040 | |
1041 | int *passno = data; | |
e8e581bf | 1042 | int i, r; |
2ba545f1 LP |
1043 | |
1044 | assert(filename); | |
1045 | assert(lvalue); | |
1046 | assert(rvalue); | |
1047 | assert(data); | |
1048 | ||
e8e581bf ZJS |
1049 | r = safe_atoi(rvalue, &i); |
1050 | if (r || i < 0) { | |
1051 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
1052 | "Failed to parse fsck pass number, ignoring: %s", rvalue); | |
2ba545f1 LP |
1053 | return 0; |
1054 | } | |
1055 | ||
1056 | *passno = (int) i; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
f975e971 | 1060 | DEFINE_CONFIG_PARSE_ENUM(config_parse_kill_mode, kill_mode, KillMode, "Failed to parse kill mode"); |
50159e6a | 1061 | |
e8e581bf ZJS |
1062 | int config_parse_kill_signal(const char *unit, |
1063 | const char *filename, | |
1064 | unsigned line, | |
1065 | const char *section, | |
1066 | const char *lvalue, | |
1067 | int ltype, | |
1068 | const char *rvalue, | |
1069 | void *data, | |
1070 | void *userdata) { | |
2e22afe9 LP |
1071 | |
1072 | int *sig = data; | |
1073 | int r; | |
1074 | ||
1075 | assert(filename); | |
1076 | assert(lvalue); | |
1077 | assert(rvalue); | |
1078 | assert(sig); | |
1079 | ||
74051b9b LP |
1080 | r = signal_from_string_try_harder(rvalue); |
1081 | if (r <= 0) { | |
e8e581bf ZJS |
1082 | log_syntax(unit, LOG_ERR, filename, line, -r, |
1083 | "Failed to parse kill signal, ignoring: %s", rvalue); | |
c0b34696 | 1084 | return 0; |
2e22afe9 LP |
1085 | } |
1086 | ||
1087 | *sig = r; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
e8e581bf ZJS |
1091 | int config_parse_exec_mount_flags(const char *unit, |
1092 | const char *filename, | |
1093 | unsigned line, | |
1094 | const char *section, | |
1095 | const char *lvalue, | |
1096 | int ltype, | |
1097 | const char *rvalue, | |
1098 | void *data, | |
1099 | void *userdata) { | |
15ae422b LP |
1100 | |
1101 | ExecContext *c = data; | |
1102 | char *w; | |
1103 | size_t l; | |
1104 | char *state; | |
1105 | unsigned long flags = 0; | |
1106 | ||
1107 | assert(filename); | |
1108 | assert(lvalue); | |
1109 | assert(rvalue); | |
1110 | assert(data); | |
1111 | ||
ac97e2c5 | 1112 | FOREACH_WORD_SEPARATOR(w, l, rvalue, ", ", state) { |
7fd1b19b | 1113 | _cleanup_free_ char *t; |
ac97e2c5 ZJS |
1114 | |
1115 | t = strndup(w, l); | |
1116 | if (!t) | |
74051b9b | 1117 | return log_oom(); |
ac97e2c5 ZJS |
1118 | |
1119 | if (streq(t, "shared")) | |
15ae422b | 1120 | flags |= MS_SHARED; |
ac97e2c5 | 1121 | else if (streq(t, "slave")) |
15ae422b | 1122 | flags |= MS_SLAVE; |
ac97e2c5 | 1123 | else if (streq(w, "private")) |
15ae422b LP |
1124 | flags |= MS_PRIVATE; |
1125 | else { | |
e8e581bf ZJS |
1126 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1127 | "Failed to parse mount flag %s, ignoring: %s", | |
1128 | t, rvalue); | |
c0b34696 | 1129 | return 0; |
15ae422b LP |
1130 | } |
1131 | } | |
1132 | ||
1133 | c->mount_flags = flags; | |
1134 | return 0; | |
1135 | } | |
1136 | ||
e8e581bf ZJS |
1137 | int config_parse_timer(const char *unit, |
1138 | const char *filename, | |
1139 | unsigned line, | |
1140 | const char *section, | |
1141 | const char *lvalue, | |
1142 | int ltype, | |
1143 | const char *rvalue, | |
1144 | void *data, | |
1145 | void *userdata) { | |
871d7de4 LP |
1146 | |
1147 | Timer *t = data; | |
36697dc0 | 1148 | usec_t u = 0; |
871d7de4 LP |
1149 | TimerValue *v; |
1150 | TimerBase b; | |
36697dc0 LP |
1151 | CalendarSpec *c = NULL; |
1152 | clockid_t id; | |
871d7de4 LP |
1153 | |
1154 | assert(filename); | |
1155 | assert(lvalue); | |
1156 | assert(rvalue); | |
1157 | assert(data); | |
1158 | ||
74051b9b LP |
1159 | if (isempty(rvalue)) { |
1160 | /* Empty assignment resets list */ | |
1161 | timer_free_values(t); | |
1162 | return 0; | |
1163 | } | |
1164 | ||
36697dc0 LP |
1165 | b = timer_base_from_string(lvalue); |
1166 | if (b < 0) { | |
e8e581bf ZJS |
1167 | log_syntax(unit, LOG_ERR, filename, line, -b, |
1168 | "Failed to parse timer base, ignoring: %s", lvalue); | |
c0b34696 | 1169 | return 0; |
871d7de4 LP |
1170 | } |
1171 | ||
36697dc0 LP |
1172 | if (b == TIMER_CALENDAR) { |
1173 | if (calendar_spec_from_string(rvalue, &c) < 0) { | |
e8e581bf ZJS |
1174 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1175 | "Failed to parse calendar specification, ignoring: %s", | |
1176 | rvalue); | |
36697dc0 LP |
1177 | return 0; |
1178 | } | |
1179 | ||
1180 | id = CLOCK_REALTIME; | |
1181 | } else { | |
7f602784 | 1182 | if (parse_sec(rvalue, &u) < 0) { |
e8e581bf ZJS |
1183 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1184 | "Failed to parse timer value, ignoring: %s", | |
1185 | rvalue); | |
36697dc0 LP |
1186 | return 0; |
1187 | } | |
1188 | ||
1189 | id = CLOCK_MONOTONIC; | |
871d7de4 LP |
1190 | } |
1191 | ||
36697dc0 LP |
1192 | v = new0(TimerValue, 1); |
1193 | if (!v) | |
74051b9b | 1194 | return log_oom(); |
871d7de4 LP |
1195 | |
1196 | v->base = b; | |
36697dc0 | 1197 | v->clock_id = id; |
871d7de4 | 1198 | v->value = u; |
36697dc0 | 1199 | v->calendar_spec = c; |
871d7de4 LP |
1200 | |
1201 | LIST_PREPEND(TimerValue, value, t->values, v); | |
1202 | ||
1203 | return 0; | |
1204 | } | |
1205 | ||
3ecaa09b LP |
1206 | int config_parse_trigger_unit( |
1207 | const char *unit, | |
1208 | const char *filename, | |
1209 | unsigned line, | |
1210 | const char *section, | |
1211 | const char *lvalue, | |
1212 | int ltype, | |
1213 | const char *rvalue, | |
1214 | void *data, | |
1215 | void *userdata) { | |
871d7de4 | 1216 | |
74051b9b | 1217 | _cleanup_free_ char *p = NULL; |
3ecaa09b LP |
1218 | Unit *u = data; |
1219 | UnitType type; | |
1220 | int r; | |
398ef8ba LP |
1221 | |
1222 | assert(filename); | |
1223 | assert(lvalue); | |
1224 | assert(rvalue); | |
1225 | assert(data); | |
1226 | ||
3ecaa09b LP |
1227 | if (!set_isempty(u->dependencies[UNIT_TRIGGERS])) { |
1228 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
1229 | "Multiple units to trigger specified, ignoring: %s", rvalue); | |
1230 | return 0; | |
1231 | } | |
871d7de4 | 1232 | |
3ecaa09b | 1233 | p = unit_name_printf(u, rvalue); |
74051b9b LP |
1234 | if (!p) |
1235 | return log_oom(); | |
1236 | ||
3ecaa09b LP |
1237 | type = unit_name_to_type(p); |
1238 | if (type < 0) { | |
e8e581bf | 1239 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
3ecaa09b | 1240 | "Unit type not valid, ignoring: %s", rvalue); |
c0b34696 | 1241 | return 0; |
871d7de4 LP |
1242 | } |
1243 | ||
3ecaa09b LP |
1244 | if (type == u->type) { |
1245 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
1246 | "Trigger cannot be of same type, ignoring: %s", rvalue); | |
1247 | return 0; | |
1248 | } | |
1249 | ||
1250 | r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_TRIGGERS, p, NULL, true); | |
57020a3a | 1251 | if (r < 0) { |
e8e581bf | 1252 | log_syntax(unit, LOG_ERR, filename, line, -r, |
3ecaa09b | 1253 | "Failed to add trigger on %s, ignoring: %s", p, strerror(-r)); |
c0b34696 | 1254 | return 0; |
871d7de4 LP |
1255 | } |
1256 | ||
1257 | return 0; | |
1258 | } | |
1259 | ||
e8e581bf ZJS |
1260 | int config_parse_path_spec(const char *unit, |
1261 | const char *filename, | |
1262 | unsigned line, | |
1263 | const char *section, | |
1264 | const char *lvalue, | |
1265 | int ltype, | |
1266 | const char *rvalue, | |
1267 | void *data, | |
1268 | void *userdata) { | |
01f78473 LP |
1269 | |
1270 | Path *p = data; | |
1271 | PathSpec *s; | |
1272 | PathType b; | |
7fd1b19b | 1273 | _cleanup_free_ char *k = NULL; |
01f78473 LP |
1274 | |
1275 | assert(filename); | |
1276 | assert(lvalue); | |
1277 | assert(rvalue); | |
1278 | assert(data); | |
1279 | ||
74051b9b LP |
1280 | if (isempty(rvalue)) { |
1281 | /* Empty assignment clears list */ | |
1282 | path_free_specs(p); | |
1283 | return 0; | |
1284 | } | |
1285 | ||
93e4c84b LP |
1286 | b = path_type_from_string(lvalue); |
1287 | if (b < 0) { | |
e8e581bf ZJS |
1288 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1289 | "Failed to parse path type, ignoring: %s", lvalue); | |
c0b34696 | 1290 | return 0; |
01f78473 LP |
1291 | } |
1292 | ||
93e4c84b | 1293 | k = unit_full_printf(UNIT(p), rvalue); |
487060c2 LP |
1294 | if (!k) { |
1295 | k = strdup(rvalue); | |
1296 | if (!k) | |
1297 | return log_oom(); | |
1298 | else | |
e8e581bf ZJS |
1299 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1300 | "Failed to resolve unit specifiers on %s. Ignoring.", | |
1301 | rvalue); | |
487060c2 | 1302 | } |
93e4c84b LP |
1303 | |
1304 | if (!path_is_absolute(k)) { | |
e8e581bf ZJS |
1305 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1306 | "Path is not absolute, ignoring: %s", k); | |
c0b34696 | 1307 | return 0; |
01f78473 LP |
1308 | } |
1309 | ||
93e4c84b | 1310 | s = new0(PathSpec, 1); |
543295ad | 1311 | if (!s) |
93e4c84b | 1312 | return log_oom(); |
01f78473 | 1313 | |
93e4c84b | 1314 | s->path = path_kill_slashes(k); |
543295ad | 1315 | k = NULL; |
01f78473 LP |
1316 | s->type = b; |
1317 | s->inotify_fd = -1; | |
1318 | ||
1319 | LIST_PREPEND(PathSpec, spec, p->specs, s); | |
1320 | ||
1321 | return 0; | |
1322 | } | |
1323 | ||
e8e581bf ZJS |
1324 | int config_parse_socket_service(const char *unit, |
1325 | const char *filename, | |
1326 | unsigned line, | |
1327 | const char *section, | |
1328 | const char *lvalue, | |
1329 | int ltype, | |
1330 | const char *rvalue, | |
1331 | void *data, | |
1332 | void *userdata) { | |
d9ff321a LP |
1333 | |
1334 | Socket *s = data; | |
1335 | int r; | |
1336 | DBusError error; | |
4ff77f66 | 1337 | Unit *x; |
74051b9b | 1338 | _cleanup_free_ char *p = NULL; |
d9ff321a LP |
1339 | |
1340 | assert(filename); | |
1341 | assert(lvalue); | |
1342 | assert(rvalue); | |
1343 | assert(data); | |
1344 | ||
1345 | dbus_error_init(&error); | |
1346 | ||
74051b9b LP |
1347 | p = unit_name_printf(UNIT(s), rvalue); |
1348 | if (!p) | |
1349 | return log_oom(); | |
1350 | ||
1351 | if (!endswith(p, ".service")) { | |
e8e581bf ZJS |
1352 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1353 | "Unit must be of type service, ignoring: %s", rvalue); | |
d9ff321a LP |
1354 | return 0; |
1355 | } | |
1356 | ||
74051b9b | 1357 | r = manager_load_unit(UNIT(s)->manager, p, NULL, &error, &x); |
4ff77f66 | 1358 | if (r < 0) { |
e8e581bf ZJS |
1359 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1360 | "Failed to load unit %s, ignoring: %s", | |
1361 | rvalue, bus_error(&error, r)); | |
d9ff321a LP |
1362 | dbus_error_free(&error); |
1363 | return 0; | |
1364 | } | |
1365 | ||
4ff77f66 LP |
1366 | unit_ref_set(&s->service, x); |
1367 | ||
d9ff321a LP |
1368 | return 0; |
1369 | } | |
1370 | ||
e8e581bf ZJS |
1371 | int config_parse_service_sockets(const char *unit, |
1372 | const char *filename, | |
1373 | unsigned line, | |
1374 | const char *section, | |
1375 | const char *lvalue, | |
1376 | int ltype, | |
1377 | const char *rvalue, | |
1378 | void *data, | |
1379 | void *userdata) { | |
f976f3f6 LP |
1380 | |
1381 | Service *s = data; | |
1382 | int r; | |
f976f3f6 LP |
1383 | char *state, *w; |
1384 | size_t l; | |
1385 | ||
1386 | assert(filename); | |
1387 | assert(lvalue); | |
1388 | assert(rvalue); | |
1389 | assert(data); | |
1390 | ||
f976f3f6 | 1391 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { |
7fd1b19b | 1392 | _cleanup_free_ char *t = NULL, *k = NULL; |
f976f3f6 | 1393 | |
57020a3a LP |
1394 | t = strndup(w, l); |
1395 | if (!t) | |
74051b9b | 1396 | return log_oom(); |
f976f3f6 | 1397 | |
57020a3a | 1398 | k = unit_name_printf(UNIT(s), t); |
57020a3a | 1399 | if (!k) |
74051b9b | 1400 | return log_oom(); |
57020a3a LP |
1401 | |
1402 | if (!endswith(k, ".socket")) { | |
e8e581bf ZJS |
1403 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1404 | "Unit must be of type socket, ignoring: %s", k); | |
f976f3f6 LP |
1405 | continue; |
1406 | } | |
1407 | ||
57020a3a LP |
1408 | r = unit_add_two_dependencies_by_name(UNIT(s), UNIT_WANTS, UNIT_AFTER, k, NULL, true); |
1409 | if (r < 0) | |
e8e581bf ZJS |
1410 | log_syntax(unit, LOG_ERR, filename, line, -r, |
1411 | "Failed to add dependency on %s, ignoring: %s", | |
1412 | k, strerror(-r)); | |
f976f3f6 | 1413 | |
57020a3a LP |
1414 | r = unit_add_dependency_by_name(UNIT(s), UNIT_TRIGGERED_BY, k, NULL, true); |
1415 | if (r < 0) | |
f976f3f6 LP |
1416 | return r; |
1417 | } | |
1418 | ||
1419 | return 0; | |
1420 | } | |
1421 | ||
e8e581bf ZJS |
1422 | int config_parse_service_timeout(const char *unit, |
1423 | const char *filename, | |
1424 | unsigned line, | |
1425 | const char *section, | |
1426 | const char *lvalue, | |
1427 | int ltype, | |
1428 | const char *rvalue, | |
1429 | void *data, | |
1430 | void *userdata) { | |
98709151 LN |
1431 | |
1432 | Service *s = userdata; | |
1433 | int r; | |
1434 | ||
1435 | assert(filename); | |
1436 | assert(lvalue); | |
1437 | assert(rvalue); | |
1438 | assert(s); | |
1439 | ||
e8e581bf ZJS |
1440 | r = config_parse_sec(unit, filename, line, section, lvalue, ltype, |
1441 | rvalue, data, userdata); | |
74051b9b | 1442 | if (r < 0) |
d568a335 | 1443 | return r; |
98709151 | 1444 | |
d568a335 MS |
1445 | if (streq(lvalue, "TimeoutSec")) { |
1446 | s->start_timeout_defined = true; | |
1447 | s->timeout_stop_usec = s->timeout_start_usec; | |
1448 | } else if (streq(lvalue, "TimeoutStartSec")) | |
1449 | s->start_timeout_defined = true; | |
1450 | ||
1451 | return 0; | |
98709151 LN |
1452 | } |
1453 | ||
e8e581bf ZJS |
1454 | int config_parse_unit_env_file(const char *unit, |
1455 | const char *filename, | |
1456 | unsigned line, | |
1457 | const char *section, | |
1458 | const char *lvalue, | |
1459 | int ltype, | |
1460 | const char *rvalue, | |
1461 | void *data, | |
1462 | void *userdata) { | |
ddb26e18 | 1463 | |
853b8397 | 1464 | char ***env = data; |
8fef7659 | 1465 | Unit *u = userdata; |
853b8397 LP |
1466 | _cleanup_free_ char *s = NULL; |
1467 | int r; | |
ddb26e18 LP |
1468 | |
1469 | assert(filename); | |
1470 | assert(lvalue); | |
1471 | assert(rvalue); | |
1472 | assert(data); | |
1473 | ||
74051b9b LP |
1474 | if (isempty(rvalue)) { |
1475 | /* Empty assignment frees the list */ | |
74051b9b LP |
1476 | strv_free(*env); |
1477 | *env = NULL; | |
1478 | return 0; | |
1479 | } | |
1480 | ||
8fef7659 LP |
1481 | s = unit_full_printf(u, rvalue); |
1482 | if (!s) | |
74051b9b | 1483 | return log_oom(); |
8fef7659 LP |
1484 | |
1485 | if (!path_is_absolute(s[0] == '-' ? s + 1 : s)) { | |
e8e581bf ZJS |
1486 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1487 | "Path '%s' is not absolute, ignoring.", s); | |
afe4bfe2 LP |
1488 | return 0; |
1489 | } | |
1490 | ||
853b8397 LP |
1491 | r = strv_extend(env, s); |
1492 | if (r < 0) | |
1493 | return log_oom(); | |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
e8e581bf ZJS |
1498 | int config_parse_environ(const char *unit, |
1499 | const char *filename, | |
1500 | unsigned line, | |
1501 | const char *section, | |
1502 | const char *lvalue, | |
1503 | int ltype, | |
1504 | const char *rvalue, | |
1505 | void *data, | |
1506 | void *userdata) { | |
853b8397 LP |
1507 | |
1508 | Unit *u = userdata; | |
1509 | char*** env = data, *w, *state; | |
1510 | size_t l; | |
1511 | _cleanup_free_ char *k = NULL; | |
1512 | ||
1513 | assert(filename); | |
1514 | assert(lvalue); | |
1515 | assert(rvalue); | |
97d0e5f8 | 1516 | assert(data); |
853b8397 LP |
1517 | |
1518 | if (isempty(rvalue)) { | |
1519 | /* Empty assignment resets the list */ | |
1520 | strv_free(*env); | |
1521 | *env = NULL; | |
1522 | return 0; | |
1523 | } | |
1524 | ||
97d0e5f8 UTL |
1525 | if (u) |
1526 | k = unit_full_printf(u, rvalue); | |
1527 | else | |
1528 | k = strdup(rvalue); | |
1529 | ||
8fef7659 | 1530 | if (!k) |
74051b9b | 1531 | return log_oom(); |
ddb26e18 | 1532 | |
853b8397 LP |
1533 | FOREACH_WORD_QUOTED(w, l, k, state) { |
1534 | _cleanup_free_ char *n; | |
1535 | char **x; | |
1536 | ||
1537 | n = cunescape_length(w, l); | |
1538 | if (!n) | |
1539 | return log_oom(); | |
1540 | ||
1541 | if (!env_assignment_is_valid(n)) { | |
e8e581bf ZJS |
1542 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1543 | "Invalid environment assignment, ignoring: %s", rvalue); | |
853b8397 LP |
1544 | continue; |
1545 | } | |
1546 | ||
1547 | x = strv_env_set(*env, n); | |
1548 | if (!x) | |
1549 | return log_oom(); | |
1550 | ||
1551 | strv_free(*env); | |
1552 | *env = x; | |
1553 | } | |
ddb26e18 | 1554 | |
8c7be95e | 1555 | return 0; |
ddb26e18 LP |
1556 | } |
1557 | ||
e8e581bf ZJS |
1558 | int config_parse_ip_tos(const char *unit, |
1559 | const char *filename, | |
1560 | unsigned line, | |
1561 | const char *section, | |
1562 | const char *lvalue, | |
1563 | int ltype, | |
1564 | const char *rvalue, | |
1565 | void *data, | |
1566 | void *userdata) { | |
4fd5948e LP |
1567 | |
1568 | int *ip_tos = data, x; | |
4fd5948e LP |
1569 | |
1570 | assert(filename); | |
1571 | assert(lvalue); | |
1572 | assert(rvalue); | |
1573 | assert(data); | |
1574 | ||
f8b69d1d MS |
1575 | x = ip_tos_from_string(rvalue); |
1576 | if (x < 0) { | |
e8e581bf ZJS |
1577 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1578 | "Failed to parse IP TOS value, ignoring: %s", rvalue); | |
f8b69d1d MS |
1579 | return 0; |
1580 | } | |
4fd5948e LP |
1581 | |
1582 | *ip_tos = x; | |
1583 | return 0; | |
1584 | } | |
1585 | ||
e8e581bf ZJS |
1586 | int config_parse_unit_condition_path(const char *unit, |
1587 | const char *filename, | |
1588 | unsigned line, | |
1589 | const char *section, | |
1590 | const char *lvalue, | |
1591 | int ltype, | |
1592 | const char *rvalue, | |
1593 | void *data, | |
1594 | void *userdata) { | |
52661efd | 1595 | |
2b583ce6 | 1596 | ConditionType cond = ltype; |
52661efd | 1597 | Unit *u = data; |
267632f0 | 1598 | bool trigger, negate; |
52661efd | 1599 | Condition *c; |
2fbe635a | 1600 | _cleanup_free_ char *p = NULL; |
52661efd LP |
1601 | |
1602 | assert(filename); | |
1603 | assert(lvalue); | |
1604 | assert(rvalue); | |
1605 | assert(data); | |
1606 | ||
74051b9b LP |
1607 | if (isempty(rvalue)) { |
1608 | /* Empty assignment resets the list */ | |
1609 | condition_free_list(u->conditions); | |
1610 | u->conditions = NULL; | |
1611 | return 0; | |
1612 | } | |
1613 | ||
ab7f148f LP |
1614 | trigger = rvalue[0] == '|'; |
1615 | if (trigger) | |
267632f0 LP |
1616 | rvalue++; |
1617 | ||
ab7f148f LP |
1618 | negate = rvalue[0] == '!'; |
1619 | if (negate) | |
52661efd LP |
1620 | rvalue++; |
1621 | ||
095b2d7a AK |
1622 | p = unit_full_printf(u, rvalue); |
1623 | if (!p) | |
74051b9b | 1624 | return log_oom(); |
095b2d7a AK |
1625 | |
1626 | if (!path_is_absolute(p)) { | |
e8e581bf ZJS |
1627 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1628 | "Path in condition not absolute, ignoring: %s", p); | |
52661efd LP |
1629 | return 0; |
1630 | } | |
1631 | ||
095b2d7a | 1632 | c = condition_new(cond, p, trigger, negate); |
ab7f148f | 1633 | if (!c) |
74051b9b | 1634 | return log_oom(); |
52661efd | 1635 | |
ac155bb8 | 1636 | LIST_PREPEND(Condition, conditions, u->conditions, c); |
52661efd LP |
1637 | return 0; |
1638 | } | |
1639 | ||
e8e581bf ZJS |
1640 | int config_parse_unit_condition_string(const char *unit, |
1641 | const char *filename, | |
1642 | unsigned line, | |
1643 | const char *section, | |
1644 | const char *lvalue, | |
1645 | int ltype, | |
1646 | const char *rvalue, | |
1647 | void *data, | |
1648 | void *userdata) { | |
039655a4 | 1649 | |
41584525 | 1650 | ConditionType cond = ltype; |
039655a4 | 1651 | Unit *u = data; |
267632f0 | 1652 | bool trigger, negate; |
039655a4 | 1653 | Condition *c; |
2fbe635a | 1654 | _cleanup_free_ char *s = NULL; |
039655a4 LP |
1655 | |
1656 | assert(filename); | |
1657 | assert(lvalue); | |
1658 | assert(rvalue); | |
1659 | assert(data); | |
1660 | ||
74051b9b LP |
1661 | if (isempty(rvalue)) { |
1662 | /* Empty assignment resets the list */ | |
1663 | condition_free_list(u->conditions); | |
1664 | u->conditions = NULL; | |
1665 | return 0; | |
1666 | } | |
1667 | ||
c0d6e764 LP |
1668 | trigger = rvalue[0] == '|'; |
1669 | if (trigger) | |
267632f0 LP |
1670 | rvalue++; |
1671 | ||
c0d6e764 LP |
1672 | negate = rvalue[0] == '!'; |
1673 | if (negate) | |
039655a4 LP |
1674 | rvalue++; |
1675 | ||
095b2d7a AK |
1676 | s = unit_full_printf(u, rvalue); |
1677 | if (!s) | |
74051b9b | 1678 | return log_oom(); |
095b2d7a AK |
1679 | |
1680 | c = condition_new(cond, s, trigger, negate); | |
c0d6e764 LP |
1681 | if (!c) |
1682 | return log_oom(); | |
039655a4 | 1683 | |
ac155bb8 | 1684 | LIST_PREPEND(Condition, conditions, u->conditions, c); |
039655a4 LP |
1685 | return 0; |
1686 | } | |
1687 | ||
e8e581bf ZJS |
1688 | int config_parse_unit_condition_null(const char *unit, |
1689 | const char *filename, | |
1690 | unsigned line, | |
1691 | const char *section, | |
1692 | const char *lvalue, | |
1693 | int ltype, | |
1694 | const char *rvalue, | |
1695 | void *data, | |
1696 | void *userdata) { | |
d257ddef LP |
1697 | |
1698 | Unit *u = data; | |
1699 | Condition *c; | |
267632f0 | 1700 | bool trigger, negate; |
d257ddef LP |
1701 | int b; |
1702 | ||
1703 | assert(filename); | |
1704 | assert(lvalue); | |
1705 | assert(rvalue); | |
1706 | assert(data); | |
1707 | ||
74051b9b LP |
1708 | if (isempty(rvalue)) { |
1709 | /* Empty assignment resets the list */ | |
1710 | condition_free_list(u->conditions); | |
1711 | u->conditions = NULL; | |
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | trigger = rvalue[0] == '|'; | |
1716 | if (trigger) | |
267632f0 LP |
1717 | rvalue++; |
1718 | ||
74051b9b LP |
1719 | negate = rvalue[0] == '!'; |
1720 | if (negate) | |
d257ddef LP |
1721 | rvalue++; |
1722 | ||
74051b9b LP |
1723 | b = parse_boolean(rvalue); |
1724 | if (b < 0) { | |
e8e581bf ZJS |
1725 | log_syntax(unit, LOG_ERR, filename, line, -b, |
1726 | "Failed to parse boolean value in condition, ignoring: %s", | |
1727 | rvalue); | |
d257ddef LP |
1728 | return 0; |
1729 | } | |
1730 | ||
1731 | if (!b) | |
1732 | negate = !negate; | |
1733 | ||
74051b9b LP |
1734 | c = condition_new(CONDITION_NULL, NULL, trigger, negate); |
1735 | if (!c) | |
1736 | return log_oom(); | |
d257ddef | 1737 | |
ac155bb8 | 1738 | LIST_PREPEND(Condition, conditions, u->conditions, c); |
d257ddef LP |
1739 | return 0; |
1740 | } | |
1741 | ||
f975e971 | 1742 | DEFINE_CONFIG_PARSE_ENUM(config_parse_notify_access, notify_access, NotifyAccess, "Failed to parse notify access specifier"); |
4b939747 | 1743 | DEFINE_CONFIG_PARSE_ENUM(config_parse_start_limit_action, start_limit_action, StartLimitAction, "Failed to parse start limit action specifier"); |
c952c6ec | 1744 | |
e8e581bf ZJS |
1745 | int config_parse_unit_requires_mounts_for(const char *unit, |
1746 | const char *filename, | |
1747 | unsigned line, | |
1748 | const char *section, | |
1749 | const char *lvalue, | |
1750 | int ltype, | |
1751 | const char *rvalue, | |
1752 | void *data, | |
1753 | void *userdata) { | |
7c8fa05c LP |
1754 | |
1755 | Unit *u = userdata; | |
1756 | int r; | |
1757 | bool empty_before; | |
1758 | ||
1759 | assert(filename); | |
1760 | assert(lvalue); | |
1761 | assert(rvalue); | |
1762 | assert(data); | |
1763 | ||
1764 | empty_before = !u->requires_mounts_for; | |
1765 | ||
e8e581bf ZJS |
1766 | r = config_parse_path_strv(unit, filename, line, section, lvalue, ltype, |
1767 | rvalue, data, userdata); | |
7c8fa05c LP |
1768 | |
1769 | /* Make it easy to find units with requires_mounts set */ | |
1770 | if (empty_before && u->requires_mounts_for) | |
1771 | LIST_PREPEND(Unit, has_requires_mounts_for, u->manager->has_requires_mounts_for, u); | |
1772 | ||
1773 | return r; | |
1774 | } | |
9e372868 | 1775 | |
e8e581bf ZJS |
1776 | int config_parse_documentation(const char *unit, |
1777 | const char *filename, | |
1778 | unsigned line, | |
1779 | const char *section, | |
1780 | const char *lvalue, | |
1781 | int ltype, | |
1782 | const char *rvalue, | |
1783 | void *data, | |
1784 | void *userdata) { | |
49dbfa7b LP |
1785 | |
1786 | Unit *u = userdata; | |
1787 | int r; | |
1788 | char **a, **b; | |
1789 | ||
1790 | assert(filename); | |
1791 | assert(lvalue); | |
1792 | assert(rvalue); | |
1793 | assert(u); | |
1794 | ||
74051b9b LP |
1795 | if (isempty(rvalue)) { |
1796 | /* Empty assignment resets the list */ | |
1797 | strv_free(u->documentation); | |
1798 | u->documentation = NULL; | |
1799 | return 0; | |
1800 | } | |
1801 | ||
e8e581bf ZJS |
1802 | r = config_parse_unit_strv_printf(unit, filename, line, section, lvalue, ltype, |
1803 | rvalue, data, userdata); | |
49dbfa7b LP |
1804 | if (r < 0) |
1805 | return r; | |
1806 | ||
1807 | for (a = b = u->documentation; a && *a; a++) { | |
1808 | ||
1809 | if (is_valid_documentation_url(*a)) | |
1810 | *(b++) = *a; | |
1811 | else { | |
e8e581bf ZJS |
1812 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1813 | "Invalid URL, ignoring: %s", *a); | |
49dbfa7b LP |
1814 | free(*a); |
1815 | } | |
1816 | } | |
1817 | *b = NULL; | |
1818 | ||
1819 | return r; | |
1820 | } | |
1821 | ||
8351ceae | 1822 | static void syscall_set(uint32_t *p, int nr) { |
843fc7f7 | 1823 | nr = SYSCALL_TO_INDEX(nr); |
8351ceae LP |
1824 | p[nr >> 4] |= 1 << (nr & 31); |
1825 | } | |
1826 | ||
1827 | static void syscall_unset(uint32_t *p, int nr) { | |
843fc7f7 | 1828 | nr = SYSCALL_TO_INDEX(nr); |
8351ceae LP |
1829 | p[nr >> 4] &= ~(1 << (nr & 31)); |
1830 | } | |
1831 | ||
e8e581bf ZJS |
1832 | int config_parse_syscall_filter(const char *unit, |
1833 | const char *filename, | |
1834 | unsigned line, | |
1835 | const char *section, | |
1836 | const char *lvalue, | |
1837 | int ltype, | |
1838 | const char *rvalue, | |
1839 | void *data, | |
1840 | void *userdata) { | |
8351ceae LP |
1841 | |
1842 | ExecContext *c = data; | |
1843 | Unit *u = userdata; | |
b5fb3789 | 1844 | bool invert = false; |
8351ceae LP |
1845 | char *w; |
1846 | size_t l; | |
1847 | char *state; | |
1848 | ||
1849 | assert(filename); | |
1850 | assert(lvalue); | |
1851 | assert(rvalue); | |
1852 | assert(u); | |
1853 | ||
74051b9b LP |
1854 | if (isempty(rvalue)) { |
1855 | /* Empty assignment resets the list */ | |
1856 | free(c->syscall_filter); | |
1857 | c->syscall_filter = NULL; | |
1858 | return 0; | |
1859 | } | |
1860 | ||
8351ceae LP |
1861 | if (rvalue[0] == '~') { |
1862 | invert = true; | |
1863 | rvalue++; | |
1864 | } | |
1865 | ||
1866 | if (!c->syscall_filter) { | |
1867 | size_t n; | |
1868 | ||
1869 | n = (syscall_max() + 31) >> 4; | |
1870 | c->syscall_filter = new(uint32_t, n); | |
1871 | if (!c->syscall_filter) | |
74051b9b | 1872 | return log_oom(); |
8351ceae LP |
1873 | |
1874 | memset(c->syscall_filter, invert ? 0xFF : 0, n * sizeof(uint32_t)); | |
1875 | ||
1876 | /* Add these by default */ | |
1877 | syscall_set(c->syscall_filter, __NR_execve); | |
1878 | syscall_set(c->syscall_filter, __NR_rt_sigreturn); | |
1879 | #ifdef __NR_sigreturn | |
1880 | syscall_set(c->syscall_filter, __NR_sigreturn); | |
1881 | #endif | |
1882 | syscall_set(c->syscall_filter, __NR_exit_group); | |
1883 | syscall_set(c->syscall_filter, __NR_exit); | |
1884 | } | |
1885 | ||
1886 | FOREACH_WORD_QUOTED(w, l, rvalue, state) { | |
1887 | int id; | |
7fd1b19b | 1888 | _cleanup_free_ char *t = NULL; |
8351ceae LP |
1889 | |
1890 | t = strndup(w, l); | |
1891 | if (!t) | |
74051b9b | 1892 | return log_oom(); |
8351ceae LP |
1893 | |
1894 | id = syscall_from_name(t); | |
8351ceae | 1895 | if (id < 0) { |
e8e581bf ZJS |
1896 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, |
1897 | "Failed to parse syscall, ignoring: %s", t); | |
8351ceae LP |
1898 | continue; |
1899 | } | |
1900 | ||
1901 | if (invert) | |
1902 | syscall_unset(c->syscall_filter, id); | |
1903 | else | |
1904 | syscall_set(c->syscall_filter, id); | |
1905 | } | |
1906 | ||
1907 | c->no_new_privileges = true; | |
1908 | ||
1909 | return 0; | |
1910 | } | |
1911 | ||
a016b922 LP |
1912 | int config_parse_unit_slice( |
1913 | const char *unit, | |
1914 | const char *filename, | |
1915 | unsigned line, | |
1916 | const char *section, | |
1917 | const char *lvalue, | |
1918 | int ltype, | |
1919 | const char *rvalue, | |
1920 | void *data, | |
1921 | void *userdata) { | |
1922 | ||
1923 | _cleanup_free_ char *k = NULL; | |
1924 | Unit *u = userdata, *slice; | |
1925 | int r; | |
1926 | ||
1927 | assert(filename); | |
1928 | assert(lvalue); | |
1929 | assert(rvalue); | |
1930 | assert(u); | |
1931 | ||
1932 | k = unit_name_printf(u, rvalue); | |
1933 | if (!k) | |
1934 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
1935 | "Failed to resolve unit specifiers on %s. Ignoring.", rvalue); | |
1936 | ||
1937 | r = manager_load_unit(u->manager, k ? k : rvalue, NULL, NULL, &slice); | |
1938 | if (r < 0) { | |
1939 | log_syntax(unit, LOG_ERR, filename, line, -r, | |
1940 | "Failed to load slice unit %s. Ignoring.", k ? k : rvalue); | |
1941 | return 0; | |
1942 | } | |
1943 | ||
1944 | if (slice->type != UNIT_SLICE) { | |
1945 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
1946 | "Slice unit %s is not a slice. Ignoring.", k ? k : rvalue); | |
1947 | return 0; | |
1948 | } | |
1949 | ||
1950 | unit_ref_set(&u->slice, slice); | |
1951 | return 0; | |
1952 | } | |
1953 | ||
4ad49000 LP |
1954 | DEFINE_CONFIG_PARSE_ENUM(config_parse_device_policy, cgroup_device_policy, CGroupDevicePolicy, "Failed to parse device policy"); |
1955 | ||
1956 | int config_parse_cpu_shares( | |
1957 | const char *unit, | |
1958 | const char *filename, | |
1959 | unsigned line, | |
1960 | const char *section, | |
1961 | const char *lvalue, | |
1962 | int ltype, | |
1963 | const char *rvalue, | |
1964 | void *data, | |
1965 | void *userdata) { | |
1966 | ||
1967 | CGroupContext *c = data; | |
1968 | unsigned long lu; | |
1969 | int r; | |
1970 | ||
1971 | assert(filename); | |
1972 | assert(lvalue); | |
1973 | assert(rvalue); | |
1974 | ||
1975 | if (isempty(rvalue)) { | |
1976 | c->cpu_shares = 1024; | |
1977 | return 0; | |
1978 | } | |
1979 | ||
1980 | r = safe_atolu(rvalue, &lu); | |
1981 | if (r < 0 || lu <= 0) { | |
1982 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
1983 | "CPU shares '%s' invalid. Ignoring.", rvalue); | |
1984 | return 0; | |
1985 | } | |
1986 | ||
1987 | c->cpu_shares = lu; | |
1988 | return 0; | |
1989 | } | |
1990 | ||
1991 | int config_parse_memory_limit( | |
1992 | const char *unit, | |
1993 | const char *filename, | |
1994 | unsigned line, | |
1995 | const char *section, | |
1996 | const char *lvalue, | |
1997 | int ltype, | |
1998 | const char *rvalue, | |
1999 | void *data, | |
2000 | void *userdata) { | |
2001 | ||
2002 | CGroupContext *c = data; | |
2003 | uint64_t *limit; | |
2004 | off_t bytes; | |
2005 | int r; | |
2006 | ||
2007 | limit = streq(lvalue, "MemoryLimit") ? &c->memory_limit : &c->memory_soft_limit; | |
2008 | ||
2009 | if (isempty(rvalue)) { | |
2010 | *limit = (uint64_t) -1; | |
2011 | return 0; | |
2012 | } | |
2013 | ||
2014 | assert_cc(sizeof(uint64_t) == sizeof(off_t)); | |
2015 | ||
2016 | r = parse_bytes(rvalue, &bytes); | |
2017 | if (r < 0) { | |
2018 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2019 | "Memory limit '%s' invalid. Ignoring.", rvalue); | |
2020 | return 0; | |
2021 | } | |
2022 | ||
2023 | *limit = (uint64_t) bytes; | |
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | int config_parse_device_allow( | |
2028 | const char *unit, | |
2029 | const char *filename, | |
2030 | unsigned line, | |
2031 | const char *section, | |
2032 | const char *lvalue, | |
2033 | int ltype, | |
2034 | const char *rvalue, | |
2035 | void *data, | |
2036 | void *userdata) { | |
2037 | ||
2038 | _cleanup_free_ char *path = NULL; | |
2039 | CGroupContext *c = data; | |
2040 | CGroupDeviceAllow *a; | |
2041 | const char *m; | |
2042 | size_t n; | |
2043 | ||
2044 | if (isempty(rvalue)) { | |
2045 | while (c->device_allow) | |
2046 | cgroup_context_free_device_allow(c, c->device_allow); | |
2047 | ||
2048 | return 0; | |
2049 | } | |
2050 | ||
2051 | n = strcspn(rvalue, WHITESPACE); | |
2052 | path = strndup(rvalue, n); | |
2053 | if (!path) | |
2054 | return log_oom(); | |
2055 | ||
2056 | if (!path_startswith(path, "/dev")) { | |
2057 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2058 | "Invalid device node path '%s'. Ignoring.", path); | |
2059 | return 0; | |
2060 | } | |
2061 | ||
2062 | m = rvalue + n + strspn(rvalue + n, WHITESPACE); | |
2063 | if (isempty(m)) | |
2064 | m = "rwm"; | |
2065 | ||
2066 | if (!in_charset(m, "rwm")) { | |
2067 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2068 | "Invalid device rights '%s'. Ignoring.", m); | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | a = new0(CGroupDeviceAllow, 1); | |
2073 | if (!a) | |
2074 | return log_oom(); | |
2075 | ||
2076 | a->path = path; | |
2077 | path = NULL; | |
2078 | a->r = !!strchr(m, 'r'); | |
2079 | a->w = !!strchr(m, 'w'); | |
2080 | a->m = !!strchr(m, 'm'); | |
2081 | ||
2082 | LIST_PREPEND(CGroupDeviceAllow, device_allow, c->device_allow, a); | |
2083 | return 0; | |
2084 | } | |
2085 | ||
2086 | int config_parse_blockio_weight( | |
2087 | const char *unit, | |
2088 | const char *filename, | |
2089 | unsigned line, | |
2090 | const char *section, | |
2091 | const char *lvalue, | |
2092 | int ltype, | |
2093 | const char *rvalue, | |
2094 | void *data, | |
2095 | void *userdata) { | |
2096 | ||
2097 | _cleanup_free_ char *path = NULL; | |
2098 | CGroupContext *c = data; | |
2099 | unsigned long lu; | |
2100 | const char *weight; | |
2101 | size_t n; | |
2102 | int r; | |
2103 | ||
2104 | assert(filename); | |
2105 | assert(lvalue); | |
2106 | assert(rvalue); | |
2107 | ||
2108 | if (isempty(rvalue)) { | |
2109 | c->blockio_weight = 1000; | |
2110 | ||
2111 | while (c->blockio_device_weights) | |
2112 | cgroup_context_free_blockio_device_weight(c, c->blockio_device_weights); | |
2113 | ||
2114 | return 0; | |
2115 | } | |
2116 | ||
2117 | n = strcspn(rvalue, WHITESPACE); | |
2118 | weight = rvalue + n; | |
2119 | if (*weight) { | |
2120 | /* Two params, first device name, then weight */ | |
2121 | path = strndup(rvalue, n); | |
2122 | if (!path) | |
2123 | return log_oom(); | |
2124 | ||
2125 | if (!path_startswith(path, "/dev")) { | |
2126 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2127 | "Invalid device node path '%s'. Ignoring.", path); | |
2128 | return 0; | |
2129 | } | |
2130 | ||
2131 | weight += strspn(weight, WHITESPACE); | |
2132 | } else | |
2133 | /* One param, only weight */ | |
2134 | weight = rvalue; | |
2135 | ||
2136 | r = safe_atolu(weight, &lu); | |
2137 | if (r < 0 || lu < 10 || lu > 1000) { | |
2138 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2139 | "Block IO weight '%s' invalid. Ignoring.", rvalue); | |
2140 | return 0; | |
2141 | } | |
2142 | ||
2143 | if (!path) | |
2144 | c->blockio_weight = lu; | |
2145 | else { | |
2146 | CGroupBlockIODeviceWeight *w; | |
2147 | ||
2148 | w = new0(CGroupBlockIODeviceWeight, 1); | |
2149 | if (!w) | |
2150 | return log_oom(); | |
2151 | ||
2152 | w->path = path; | |
2153 | path = NULL; | |
2154 | ||
2155 | w->weight = lu; | |
2156 | ||
2157 | LIST_PREPEND(CGroupBlockIODeviceWeight, device_weights, c->blockio_device_weights, w); | |
2158 | } | |
2159 | ||
2160 | return 0; | |
2161 | } | |
2162 | ||
2163 | int config_parse_blockio_bandwidth( | |
2164 | const char *unit, | |
2165 | const char *filename, | |
2166 | unsigned line, | |
2167 | const char *section, | |
2168 | const char *lvalue, | |
2169 | int ltype, | |
2170 | const char *rvalue, | |
2171 | void *data, | |
2172 | void *userdata) { | |
2173 | ||
2174 | _cleanup_free_ char *path = NULL; | |
2175 | CGroupBlockIODeviceBandwidth *b; | |
2176 | CGroupContext *c = data; | |
2177 | const char *bandwidth; | |
2178 | off_t bytes; | |
2179 | size_t n; | |
2180 | int r; | |
2181 | ||
2182 | assert(filename); | |
2183 | assert(lvalue); | |
2184 | assert(rvalue); | |
2185 | ||
2186 | if (isempty(rvalue)) { | |
2187 | while (c->blockio_device_bandwidths) | |
2188 | cgroup_context_free_blockio_device_bandwidth(c, c->blockio_device_bandwidths); | |
2189 | ||
2190 | return 0; | |
2191 | } | |
2192 | ||
2193 | n = strcspn(rvalue, WHITESPACE); | |
2194 | bandwidth = rvalue + n; | |
2195 | bandwidth += strspn(bandwidth, WHITESPACE); | |
2196 | ||
2197 | if (!*bandwidth) { | |
2198 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2199 | "Expected space separated pair of device node and bandwidth. Ignoring."); | |
2200 | return 0; | |
2201 | } | |
2202 | ||
2203 | path = strndup(rvalue, n); | |
2204 | if (!path) | |
2205 | return log_oom(); | |
2206 | ||
2207 | if (!path_startswith(path, "/dev")) { | |
2208 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2209 | "Invalid device node path '%s'. Ignoring.", path); | |
2210 | return 0; | |
2211 | } | |
2212 | ||
2213 | r = parse_bytes(bandwidth, &bytes); | |
2214 | if (r < 0 || bytes <= 0) { | |
2215 | log_syntax(unit, LOG_ERR, filename, line, EINVAL, | |
2216 | "Block IO Bandwidth '%s' invalid. Ignoring.", rvalue); | |
2217 | return 0; | |
2218 | } | |
2219 | ||
2220 | b = new0(CGroupBlockIODeviceBandwidth, 1); | |
2221 | if (!b) | |
2222 | return log_oom(); | |
2223 | ||
2224 | b->path = path; | |
2225 | path = NULL; | |
2226 | b->bandwidth = (uint64_t) bytes; | |
2227 | ||
2228 | LIST_PREPEND(CGroupBlockIODeviceBandwidth, device_bandwidths, c->blockio_device_bandwidths, b); | |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
071830ff | 2233 | #define FOLLOW_MAX 8 |
87f0e418 | 2234 | |
9e2f7c11 | 2235 | static int open_follow(char **filename, FILE **_f, Set *names, char **_final) { |
0301abf4 | 2236 | unsigned c = 0; |
87f0e418 LP |
2237 | int fd, r; |
2238 | FILE *f; | |
0301abf4 | 2239 | char *id = NULL; |
87f0e418 LP |
2240 | |
2241 | assert(filename); | |
2242 | assert(*filename); | |
2243 | assert(_f); | |
2244 | assert(names); | |
2245 | ||
0301abf4 LP |
2246 | /* This will update the filename pointer if the loaded file is |
2247 | * reached by a symlink. The old string will be freed. */ | |
87f0e418 | 2248 | |
0301abf4 | 2249 | for (;;) { |
2c7108c4 | 2250 | char *target, *name; |
87f0e418 | 2251 | |
0301abf4 LP |
2252 | if (c++ >= FOLLOW_MAX) |
2253 | return -ELOOP; | |
2254 | ||
b08d03ff LP |
2255 | path_kill_slashes(*filename); |
2256 | ||
87f0e418 | 2257 | /* Add the file name we are currently looking at to |
8f05424d LP |
2258 | * the names of this unit, but only if it is a valid |
2259 | * unit name. */ | |
9eb977db | 2260 | name = path_get_file_name(*filename); |
87f0e418 | 2261 | |
15e11d81 | 2262 | if (unit_name_is_valid(name, true)) { |
8f05424d | 2263 | |
15e11d81 LP |
2264 | id = set_get(names, name); |
2265 | if (!id) { | |
2266 | id = strdup(name); | |
2267 | if (!id) | |
8f05424d | 2268 | return -ENOMEM; |
87f0e418 | 2269 | |
ef42202a ZJS |
2270 | r = set_consume(names, id); |
2271 | if (r < 0) | |
8f05424d | 2272 | return r; |
87f0e418 | 2273 | } |
87f0e418 LP |
2274 | } |
2275 | ||
0301abf4 | 2276 | /* Try to open the file name, but don't if its a symlink */ |
9946996c LP |
2277 | fd = open(*filename, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW); |
2278 | if (fd >= 0) | |
87f0e418 LP |
2279 | break; |
2280 | ||
0301abf4 LP |
2281 | if (errno != ELOOP) |
2282 | return -errno; | |
2283 | ||
87f0e418 | 2284 | /* Hmm, so this is a symlink. Let's read the name, and follow it manually */ |
9946996c LP |
2285 | r = readlink_and_make_absolute(*filename, &target); |
2286 | if (r < 0) | |
0301abf4 | 2287 | return r; |
87f0e418 | 2288 | |
0301abf4 | 2289 | free(*filename); |
2c7108c4 | 2290 | *filename = target; |
87f0e418 LP |
2291 | } |
2292 | ||
9946996c LP |
2293 | f = fdopen(fd, "re"); |
2294 | if (!f) { | |
87f0e418 | 2295 | r = -errno; |
9e2f7c11 | 2296 | close_nointr_nofail(fd); |
0301abf4 | 2297 | return r; |
87f0e418 LP |
2298 | } |
2299 | ||
2300 | *_f = f; | |
9e2f7c11 | 2301 | *_final = id; |
0301abf4 | 2302 | return 0; |
87f0e418 LP |
2303 | } |
2304 | ||
23a177ef LP |
2305 | static int merge_by_names(Unit **u, Set *names, const char *id) { |
2306 | char *k; | |
2307 | int r; | |
2308 | ||
2309 | assert(u); | |
2310 | assert(*u); | |
2311 | assert(names); | |
2312 | ||
2313 | /* Let's try to add in all symlink names we found */ | |
2314 | while ((k = set_steal_first(names))) { | |
2315 | ||
2316 | /* First try to merge in the other name into our | |
2317 | * unit */ | |
9946996c LP |
2318 | r = unit_merge_by_name(*u, k); |
2319 | if (r < 0) { | |
23a177ef LP |
2320 | Unit *other; |
2321 | ||
2322 | /* Hmm, we couldn't merge the other unit into | |
2323 | * ours? Then let's try it the other way | |
2324 | * round */ | |
2325 | ||
ac155bb8 | 2326 | other = manager_get_unit((*u)->manager, k); |
23a177ef LP |
2327 | free(k); |
2328 | ||
9946996c LP |
2329 | if (other) { |
2330 | r = unit_merge(other, *u); | |
2331 | if (r >= 0) { | |
23a177ef LP |
2332 | *u = other; |
2333 | return merge_by_names(u, names, NULL); | |
2334 | } | |
9946996c | 2335 | } |
23a177ef LP |
2336 | |
2337 | return r; | |
2338 | } | |
2339 | ||
2340 | if (id == k) | |
2341 | unit_choose_id(*u, id); | |
2342 | ||
2343 | free(k); | |
2344 | } | |
2345 | ||
2346 | return 0; | |
2347 | } | |
2348 | ||
e537352b | 2349 | static int load_from_path(Unit *u, const char *path) { |
0301abf4 | 2350 | int r; |
87f0e418 | 2351 | Set *symlink_names; |
23a177ef LP |
2352 | FILE *f = NULL; |
2353 | char *filename = NULL, *id = NULL; | |
2354 | Unit *merged; | |
45fb0699 | 2355 | struct stat st; |
23a177ef LP |
2356 | |
2357 | assert(u); | |
e537352b | 2358 | assert(path); |
3efd4195 | 2359 | |
f975e971 LP |
2360 | symlink_names = set_new(string_hash_func, string_compare_func); |
2361 | if (!symlink_names) | |
87f0e418 | 2362 | return -ENOMEM; |
3efd4195 | 2363 | |
036643a2 LP |
2364 | if (path_is_absolute(path)) { |
2365 | ||
9946996c LP |
2366 | filename = strdup(path); |
2367 | if (!filename) { | |
036643a2 LP |
2368 | r = -ENOMEM; |
2369 | goto finish; | |
2370 | } | |
2371 | ||
9946996c LP |
2372 | r = open_follow(&filename, &f, symlink_names, &id); |
2373 | if (r < 0) { | |
036643a2 LP |
2374 | free(filename); |
2375 | filename = NULL; | |
2376 | ||
2377 | if (r != -ENOENT) | |
2378 | goto finish; | |
2379 | } | |
2380 | ||
2381 | } else { | |
2382 | char **p; | |
2383 | ||
ac155bb8 | 2384 | STRV_FOREACH(p, u->manager->lookup_paths.unit_path) { |
036643a2 LP |
2385 | |
2386 | /* Instead of opening the path right away, we manually | |
2387 | * follow all symlinks and add their name to our unit | |
2388 | * name set while doing so */ | |
9946996c LP |
2389 | filename = path_make_absolute(path, *p); |
2390 | if (!filename) { | |
036643a2 LP |
2391 | r = -ENOMEM; |
2392 | goto finish; | |
2393 | } | |
2394 | ||
ac155bb8 MS |
2395 | if (u->manager->unit_path_cache && |
2396 | !set_get(u->manager->unit_path_cache, filename)) | |
fe51822e LP |
2397 | r = -ENOENT; |
2398 | else | |
2399 | r = open_follow(&filename, &f, symlink_names, &id); | |
2400 | ||
2401 | if (r < 0) { | |
036643a2 LP |
2402 | free(filename); |
2403 | filename = NULL; | |
2404 | ||
2405 | if (r != -ENOENT) | |
2406 | goto finish; | |
2407 | ||
2408 | /* Empty the symlink names for the next run */ | |
9946996c | 2409 | set_clear_free(symlink_names); |
036643a2 LP |
2410 | continue; |
2411 | } | |
2412 | ||
2413 | break; | |
2414 | } | |
2415 | } | |
034c6ed7 | 2416 | |
036643a2 | 2417 | if (!filename) { |
8f05424d | 2418 | /* Hmm, no suitable file found? */ |
23a177ef | 2419 | r = 0; |
0301abf4 LP |
2420 | goto finish; |
2421 | } | |
87f0e418 | 2422 | |
23a177ef | 2423 | merged = u; |
9946996c LP |
2424 | r = merge_by_names(&merged, symlink_names, id); |
2425 | if (r < 0) | |
0301abf4 | 2426 | goto finish; |
87f0e418 | 2427 | |
23a177ef | 2428 | if (merged != u) { |
ac155bb8 | 2429 | u->load_state = UNIT_MERGED; |
23a177ef LP |
2430 | r = 0; |
2431 | goto finish; | |
034c6ed7 LP |
2432 | } |
2433 | ||
45fb0699 LP |
2434 | if (fstat(fileno(f), &st) < 0) { |
2435 | r = -errno; | |
2436 | goto finish; | |
2437 | } | |
2438 | ||
00dc5d76 | 2439 | if (null_or_empty(&st)) |
ac155bb8 | 2440 | u->load_state = UNIT_MASKED; |
00dc5d76 | 2441 | else { |
c2756a68 LP |
2442 | u->load_state = UNIT_LOADED; |
2443 | ||
00dc5d76 | 2444 | /* Now, parse the file contents */ |
e8e581bf ZJS |
2445 | r = config_parse(u->id, filename, f, UNIT_VTABLE(u)->sections, |
2446 | config_item_perf_lookup, | |
db5c0122 | 2447 | (void*) load_fragment_gperf_lookup, false, true, u); |
f975e971 | 2448 | if (r < 0) |
00dc5d76 | 2449 | goto finish; |
00dc5d76 | 2450 | } |
b08d03ff | 2451 | |
ac155bb8 MS |
2452 | free(u->fragment_path); |
2453 | u->fragment_path = filename; | |
0301abf4 | 2454 | filename = NULL; |
87f0e418 | 2455 | |
ac155bb8 | 2456 | u->fragment_mtime = timespec_load(&st.st_mtim); |
45fb0699 | 2457 | |
1b64d026 LP |
2458 | if (u->source_path) { |
2459 | if (stat(u->source_path, &st) >= 0) | |
2460 | u->source_mtime = timespec_load(&st.st_mtim); | |
2461 | else | |
2462 | u->source_mtime = 0; | |
2463 | } | |
2464 | ||
23a177ef | 2465 | r = 0; |
87f0e418 LP |
2466 | |
2467 | finish: | |
53ec43c6 | 2468 | set_free_free(symlink_names); |
0301abf4 LP |
2469 | free(filename); |
2470 | ||
23a177ef LP |
2471 | if (f) |
2472 | fclose(f); | |
2473 | ||
0301abf4 LP |
2474 | return r; |
2475 | } | |
2476 | ||
e537352b | 2477 | int unit_load_fragment(Unit *u) { |
23a177ef | 2478 | int r; |
294d81f1 LP |
2479 | Iterator i; |
2480 | const char *t; | |
0301abf4 LP |
2481 | |
2482 | assert(u); | |
ac155bb8 MS |
2483 | assert(u->load_state == UNIT_STUB); |
2484 | assert(u->id); | |
23a177ef | 2485 | |
294d81f1 LP |
2486 | /* First, try to find the unit under its id. We always look |
2487 | * for unit files in the default directories, to make it easy | |
2488 | * to override things by placing things in /etc/systemd/system */ | |
9946996c LP |
2489 | r = load_from_path(u, u->id); |
2490 | if (r < 0) | |
294d81f1 LP |
2491 | return r; |
2492 | ||
2493 | /* Try to find an alias we can load this with */ | |
ac155bb8 MS |
2494 | if (u->load_state == UNIT_STUB) |
2495 | SET_FOREACH(t, u->names, i) { | |
294d81f1 | 2496 | |
ac155bb8 | 2497 | if (t == u->id) |
294d81f1 LP |
2498 | continue; |
2499 | ||
9946996c LP |
2500 | r = load_from_path(u, t); |
2501 | if (r < 0) | |
294d81f1 LP |
2502 | return r; |
2503 | ||
ac155bb8 | 2504 | if (u->load_state != UNIT_STUB) |
294d81f1 LP |
2505 | break; |
2506 | } | |
23a177ef | 2507 | |
294d81f1 | 2508 | /* And now, try looking for it under the suggested (originally linked) path */ |
ac155bb8 | 2509 | if (u->load_state == UNIT_STUB && u->fragment_path) { |
6ccb1b44 | 2510 | |
9946996c LP |
2511 | r = load_from_path(u, u->fragment_path); |
2512 | if (r < 0) | |
23a177ef | 2513 | return r; |
0301abf4 | 2514 | |
ac155bb8 | 2515 | if (u->load_state == UNIT_STUB) { |
6ccb1b44 LP |
2516 | /* Hmm, this didn't work? Then let's get rid |
2517 | * of the fragment path stored for us, so that | |
2518 | * we don't point to an invalid location. */ | |
ac155bb8 MS |
2519 | free(u->fragment_path); |
2520 | u->fragment_path = NULL; | |
6ccb1b44 LP |
2521 | } |
2522 | } | |
2523 | ||
294d81f1 | 2524 | /* Look for a template */ |
ac155bb8 | 2525 | if (u->load_state == UNIT_STUB && u->instance) { |
294d81f1 LP |
2526 | char *k; |
2527 | ||
9946996c LP |
2528 | k = unit_name_template(u->id); |
2529 | if (!k) | |
294d81f1 LP |
2530 | return -ENOMEM; |
2531 | ||
2532 | r = load_from_path(u, k); | |
2533 | free(k); | |
0301abf4 | 2534 | |
294d81f1 | 2535 | if (r < 0) |
9e2f7c11 | 2536 | return r; |
890f434c | 2537 | |
ac155bb8 MS |
2538 | if (u->load_state == UNIT_STUB) |
2539 | SET_FOREACH(t, u->names, i) { | |
87f0e418 | 2540 | |
ac155bb8 | 2541 | if (t == u->id) |
23a177ef | 2542 | continue; |
071830ff | 2543 | |
9946996c LP |
2544 | k = unit_name_template(t); |
2545 | if (!k) | |
294d81f1 LP |
2546 | return -ENOMEM; |
2547 | ||
2548 | r = load_from_path(u, k); | |
2549 | free(k); | |
2550 | ||
2551 | if (r < 0) | |
23a177ef | 2552 | return r; |
890f434c | 2553 | |
ac155bb8 | 2554 | if (u->load_state != UNIT_STUB) |
23a177ef LP |
2555 | break; |
2556 | } | |
071830ff LP |
2557 | } |
2558 | ||
23a177ef | 2559 | return 0; |
3efd4195 | 2560 | } |
e537352b LP |
2561 | |
2562 | void unit_dump_config_items(FILE *f) { | |
f975e971 LP |
2563 | static const struct { |
2564 | const ConfigParserCallback callback; | |
2565 | const char *rvalue; | |
2566 | } table[] = { | |
2567 | { config_parse_int, "INTEGER" }, | |
2568 | { config_parse_unsigned, "UNSIGNED" }, | |
9ba1a159 | 2569 | { config_parse_bytes_size, "SIZE" }, |
f975e971 LP |
2570 | { config_parse_bool, "BOOLEAN" }, |
2571 | { config_parse_string, "STRING" }, | |
2572 | { config_parse_path, "PATH" }, | |
2573 | { config_parse_unit_path_printf, "PATH" }, | |
2574 | { config_parse_strv, "STRING [...]" }, | |
2575 | { config_parse_exec_nice, "NICE" }, | |
2576 | { config_parse_exec_oom_score_adjust, "OOMSCOREADJUST" }, | |
2577 | { config_parse_exec_io_class, "IOCLASS" }, | |
2578 | { config_parse_exec_io_priority, "IOPRIORITY" }, | |
2579 | { config_parse_exec_cpu_sched_policy, "CPUSCHEDPOLICY" }, | |
2580 | { config_parse_exec_cpu_sched_prio, "CPUSCHEDPRIO" }, | |
2581 | { config_parse_exec_cpu_affinity, "CPUAFFINITY" }, | |
2582 | { config_parse_mode, "MODE" }, | |
2583 | { config_parse_unit_env_file, "FILE" }, | |
2584 | { config_parse_output, "OUTPUT" }, | |
2585 | { config_parse_input, "INPUT" }, | |
2586 | { config_parse_facility, "FACILITY" }, | |
2587 | { config_parse_level, "LEVEL" }, | |
2588 | { config_parse_exec_capabilities, "CAPABILITIES" }, | |
2589 | { config_parse_exec_secure_bits, "SECUREBITS" }, | |
ec8927ca | 2590 | { config_parse_bounding_set, "BOUNDINGSET" }, |
f975e971 | 2591 | { config_parse_limit, "LIMIT" }, |
f975e971 | 2592 | { config_parse_unit_deps, "UNIT [...]" }, |
f975e971 LP |
2593 | { config_parse_exec, "PATH [ARGUMENT [...]]" }, |
2594 | { config_parse_service_type, "SERVICETYPE" }, | |
2595 | { config_parse_service_restart, "SERVICERESTART" }, | |
2596 | #ifdef HAVE_SYSV_COMPAT | |
2597 | { config_parse_sysv_priority, "SYSVPRIORITY" }, | |
2598 | #else | |
2599 | { config_parse_warn_compat, "NOTSUPPORTED" }, | |
2600 | #endif | |
2601 | { config_parse_kill_mode, "KILLMODE" }, | |
2602 | { config_parse_kill_signal, "SIGNAL" }, | |
2603 | { config_parse_socket_listen, "SOCKET [...]" }, | |
2604 | { config_parse_socket_bind, "SOCKETBIND" }, | |
2605 | { config_parse_socket_bindtodevice, "NETWORKINTERFACE" }, | |
7f602784 | 2606 | { config_parse_sec, "SECONDS" }, |
d88a251b | 2607 | { config_parse_nsec, "NANOSECONDS" }, |
f975e971 | 2608 | { config_parse_path_strv, "PATH [...]" }, |
7c8fa05c | 2609 | { config_parse_unit_requires_mounts_for, "PATH [...]" }, |
f975e971 LP |
2610 | { config_parse_exec_mount_flags, "MOUNTFLAG [...]" }, |
2611 | { config_parse_unit_string_printf, "STRING" }, | |
3ecaa09b | 2612 | { config_parse_trigger_unit, "UNIT" }, |
f975e971 | 2613 | { config_parse_timer, "TIMER" }, |
f975e971 | 2614 | { config_parse_path_spec, "PATH" }, |
f975e971 LP |
2615 | { config_parse_notify_access, "ACCESS" }, |
2616 | { config_parse_ip_tos, "TOS" }, | |
2617 | { config_parse_unit_condition_path, "CONDITION" }, | |
2618 | { config_parse_unit_condition_string, "CONDITION" }, | |
2619 | { config_parse_unit_condition_null, "CONDITION" }, | |
a016b922 | 2620 | { config_parse_unit_slice, "SLICE" }, |
f975e971 LP |
2621 | }; |
2622 | ||
2623 | const char *prev = NULL; | |
2624 | const char *i; | |
2625 | ||
2626 | assert(f); | |
e537352b | 2627 | |
f975e971 LP |
2628 | NULSTR_FOREACH(i, load_fragment_gperf_nulstr) { |
2629 | const char *rvalue = "OTHER", *lvalue; | |
2630 | unsigned j; | |
2631 | size_t prefix_len; | |
2632 | const char *dot; | |
2633 | const ConfigPerfItem *p; | |
2634 | ||
2635 | assert_se(p = load_fragment_gperf_lookup(i, strlen(i))); | |
2636 | ||
2637 | dot = strchr(i, '.'); | |
2638 | lvalue = dot ? dot + 1 : i; | |
2639 | prefix_len = dot-i; | |
2640 | ||
2641 | if (dot) | |
641906e9 | 2642 | if (!prev || !strneq(prev, i, prefix_len+1)) { |
f975e971 LP |
2643 | if (prev) |
2644 | fputc('\n', f); | |
2645 | ||
2646 | fprintf(f, "[%.*s]\n", (int) prefix_len, i); | |
2647 | } | |
2648 | ||
2649 | for (j = 0; j < ELEMENTSOF(table); j++) | |
2650 | if (p->parse == table[j].callback) { | |
2651 | rvalue = table[j].rvalue; | |
2652 | break; | |
2653 | } | |
2654 | ||
2655 | fprintf(f, "%s=%s\n", lvalue, rvalue); | |
2656 | prev = i; | |
2657 | } | |
e537352b | 2658 | } |