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1 | /*** | |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <sys/prctl.h> | |
21 | ||
22 | #ifdef HAVE_SECCOMP | |
23 | #include <seccomp.h> | |
24 | #endif | |
25 | ||
26 | #include "af-list.h" | |
27 | #include "alloc-util.h" | |
28 | #include "bus-util.h" | |
29 | #include "capability-util.h" | |
30 | #include "dbus-execute.h" | |
31 | #include "env-util.h" | |
32 | #include "execute.h" | |
33 | #include "fd-util.h" | |
34 | #include "fileio.h" | |
35 | #include "ioprio.h" | |
36 | #include "missing.h" | |
37 | #include "namespace.h" | |
38 | #include "parse-util.h" | |
39 | #include "path-util.h" | |
40 | #include "process-util.h" | |
41 | #include "rlimit-util.h" | |
42 | #ifdef HAVE_SECCOMP | |
43 | #include "seccomp-util.h" | |
44 | #endif | |
45 | #include "strv.h" | |
46 | #include "syslog-util.h" | |
47 | #include "utf8.h" | |
48 | ||
49 | BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput); | |
50 | ||
51 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput); | |
52 | ||
53 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode); | |
54 | ||
55 | static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome); | |
56 | static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem); | |
57 | ||
58 | static int property_get_environment_files( | |
59 | sd_bus *bus, | |
60 | const char *path, | |
61 | const char *interface, | |
62 | const char *property, | |
63 | sd_bus_message *reply, | |
64 | void *userdata, | |
65 | sd_bus_error *error) { | |
66 | ||
67 | ExecContext *c = userdata; | |
68 | char **j; | |
69 | int r; | |
70 | ||
71 | assert(bus); | |
72 | assert(reply); | |
73 | assert(c); | |
74 | ||
75 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); | |
76 | if (r < 0) | |
77 | return r; | |
78 | ||
79 | STRV_FOREACH(j, c->environment_files) { | |
80 | const char *fn = *j; | |
81 | ||
82 | r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-'); | |
83 | if (r < 0) | |
84 | return r; | |
85 | } | |
86 | ||
87 | return sd_bus_message_close_container(reply); | |
88 | } | |
89 | ||
90 | static int property_get_oom_score_adjust( | |
91 | sd_bus *bus, | |
92 | const char *path, | |
93 | const char *interface, | |
94 | const char *property, | |
95 | sd_bus_message *reply, | |
96 | void *userdata, | |
97 | sd_bus_error *error) { | |
98 | ||
99 | ||
100 | ExecContext *c = userdata; | |
101 | int32_t n; | |
102 | ||
103 | assert(bus); | |
104 | assert(reply); | |
105 | assert(c); | |
106 | ||
107 | if (c->oom_score_adjust_set) | |
108 | n = c->oom_score_adjust; | |
109 | else { | |
110 | _cleanup_free_ char *t = NULL; | |
111 | ||
112 | n = 0; | |
113 | if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) | |
114 | safe_atoi32(t, &n); | |
115 | } | |
116 | ||
117 | return sd_bus_message_append(reply, "i", n); | |
118 | } | |
119 | ||
120 | static int property_get_nice( | |
121 | sd_bus *bus, | |
122 | const char *path, | |
123 | const char *interface, | |
124 | const char *property, | |
125 | sd_bus_message *reply, | |
126 | void *userdata, | |
127 | sd_bus_error *error) { | |
128 | ||
129 | ||
130 | ExecContext *c = userdata; | |
131 | int32_t n; | |
132 | ||
133 | assert(bus); | |
134 | assert(reply); | |
135 | assert(c); | |
136 | ||
137 | if (c->nice_set) | |
138 | n = c->nice; | |
139 | else { | |
140 | errno = 0; | |
141 | n = getpriority(PRIO_PROCESS, 0); | |
142 | if (errno > 0) | |
143 | n = 0; | |
144 | } | |
145 | ||
146 | return sd_bus_message_append(reply, "i", n); | |
147 | } | |
148 | ||
149 | static int property_get_ioprio( | |
150 | sd_bus *bus, | |
151 | const char *path, | |
152 | const char *interface, | |
153 | const char *property, | |
154 | sd_bus_message *reply, | |
155 | void *userdata, | |
156 | sd_bus_error *error) { | |
157 | ||
158 | ||
159 | ExecContext *c = userdata; | |
160 | int32_t n; | |
161 | ||
162 | assert(bus); | |
163 | assert(reply); | |
164 | assert(c); | |
165 | ||
166 | if (c->ioprio_set) | |
167 | n = c->ioprio; | |
168 | else { | |
169 | n = ioprio_get(IOPRIO_WHO_PROCESS, 0); | |
170 | if (n < 0) | |
171 | n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4); | |
172 | } | |
173 | ||
174 | return sd_bus_message_append(reply, "i", n); | |
175 | } | |
176 | ||
177 | static int property_get_cpu_sched_policy( | |
178 | sd_bus *bus, | |
179 | const char *path, | |
180 | const char *interface, | |
181 | const char *property, | |
182 | sd_bus_message *reply, | |
183 | void *userdata, | |
184 | sd_bus_error *error) { | |
185 | ||
186 | ExecContext *c = userdata; | |
187 | int32_t n; | |
188 | ||
189 | assert(bus); | |
190 | assert(reply); | |
191 | assert(c); | |
192 | ||
193 | if (c->cpu_sched_set) | |
194 | n = c->cpu_sched_policy; | |
195 | else { | |
196 | n = sched_getscheduler(0); | |
197 | if (n < 0) | |
198 | n = SCHED_OTHER; | |
199 | } | |
200 | ||
201 | return sd_bus_message_append(reply, "i", n); | |
202 | } | |
203 | ||
204 | static int property_get_cpu_sched_priority( | |
205 | sd_bus *bus, | |
206 | const char *path, | |
207 | const char *interface, | |
208 | const char *property, | |
209 | sd_bus_message *reply, | |
210 | void *userdata, | |
211 | sd_bus_error *error) { | |
212 | ||
213 | ExecContext *c = userdata; | |
214 | int32_t n; | |
215 | ||
216 | assert(bus); | |
217 | assert(reply); | |
218 | assert(c); | |
219 | ||
220 | if (c->cpu_sched_set) | |
221 | n = c->cpu_sched_priority; | |
222 | else { | |
223 | struct sched_param p = {}; | |
224 | ||
225 | if (sched_getparam(0, &p) >= 0) | |
226 | n = p.sched_priority; | |
227 | else | |
228 | n = 0; | |
229 | } | |
230 | ||
231 | return sd_bus_message_append(reply, "i", n); | |
232 | } | |
233 | ||
234 | static int property_get_cpu_affinity( | |
235 | sd_bus *bus, | |
236 | const char *path, | |
237 | const char *interface, | |
238 | const char *property, | |
239 | sd_bus_message *reply, | |
240 | void *userdata, | |
241 | sd_bus_error *error) { | |
242 | ||
243 | ExecContext *c = userdata; | |
244 | ||
245 | assert(bus); | |
246 | assert(reply); | |
247 | assert(c); | |
248 | ||
249 | if (c->cpuset) | |
250 | return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus)); | |
251 | else | |
252 | return sd_bus_message_append_array(reply, 'y', NULL, 0); | |
253 | } | |
254 | ||
255 | static int property_get_timer_slack_nsec( | |
256 | sd_bus *bus, | |
257 | const char *path, | |
258 | const char *interface, | |
259 | const char *property, | |
260 | sd_bus_message *reply, | |
261 | void *userdata, | |
262 | sd_bus_error *error) { | |
263 | ||
264 | ExecContext *c = userdata; | |
265 | uint64_t u; | |
266 | ||
267 | assert(bus); | |
268 | assert(reply); | |
269 | assert(c); | |
270 | ||
271 | if (c->timer_slack_nsec != NSEC_INFINITY) | |
272 | u = (uint64_t) c->timer_slack_nsec; | |
273 | else | |
274 | u = (uint64_t) prctl(PR_GET_TIMERSLACK); | |
275 | ||
276 | return sd_bus_message_append(reply, "t", u); | |
277 | } | |
278 | ||
279 | static int property_get_capability_bounding_set( | |
280 | sd_bus *bus, | |
281 | const char *path, | |
282 | const char *interface, | |
283 | const char *property, | |
284 | sd_bus_message *reply, | |
285 | void *userdata, | |
286 | sd_bus_error *error) { | |
287 | ||
288 | ExecContext *c = userdata; | |
289 | ||
290 | assert(bus); | |
291 | assert(reply); | |
292 | assert(c); | |
293 | ||
294 | return sd_bus_message_append(reply, "t", c->capability_bounding_set); | |
295 | } | |
296 | ||
297 | static int property_get_ambient_capabilities( | |
298 | sd_bus *bus, | |
299 | const char *path, | |
300 | const char *interface, | |
301 | const char *property, | |
302 | sd_bus_message *reply, | |
303 | void *userdata, | |
304 | sd_bus_error *error) { | |
305 | ||
306 | ExecContext *c = userdata; | |
307 | ||
308 | assert(bus); | |
309 | assert(reply); | |
310 | assert(c); | |
311 | ||
312 | return sd_bus_message_append(reply, "t", c->capability_ambient_set); | |
313 | } | |
314 | ||
315 | static int property_get_empty_string( | |
316 | sd_bus *bus, | |
317 | const char *path, | |
318 | const char *interface, | |
319 | const char *property, | |
320 | sd_bus_message *reply, | |
321 | void *userdata, | |
322 | sd_bus_error *error) { | |
323 | ||
324 | assert(bus); | |
325 | assert(reply); | |
326 | ||
327 | return sd_bus_message_append(reply, "s", ""); | |
328 | } | |
329 | ||
330 | static int property_get_syscall_filter( | |
331 | sd_bus *bus, | |
332 | const char *path, | |
333 | const char *interface, | |
334 | const char *property, | |
335 | sd_bus_message *reply, | |
336 | void *userdata, | |
337 | sd_bus_error *error) { | |
338 | ||
339 | ExecContext *c = userdata; | |
340 | _cleanup_strv_free_ char **l = NULL; | |
341 | int r; | |
342 | ||
343 | #ifdef HAVE_SECCOMP | |
344 | Iterator i; | |
345 | void *id; | |
346 | #endif | |
347 | ||
348 | assert(bus); | |
349 | assert(reply); | |
350 | assert(c); | |
351 | ||
352 | r = sd_bus_message_open_container(reply, 'r', "bas"); | |
353 | if (r < 0) | |
354 | return r; | |
355 | ||
356 | r = sd_bus_message_append(reply, "b", c->syscall_whitelist); | |
357 | if (r < 0) | |
358 | return r; | |
359 | ||
360 | #ifdef HAVE_SECCOMP | |
361 | SET_FOREACH(id, c->syscall_filter, i) { | |
362 | char *name; | |
363 | ||
364 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); | |
365 | if (!name) | |
366 | continue; | |
367 | ||
368 | r = strv_consume(&l, name); | |
369 | if (r < 0) | |
370 | return r; | |
371 | } | |
372 | #endif | |
373 | ||
374 | strv_sort(l); | |
375 | ||
376 | r = sd_bus_message_append_strv(reply, l); | |
377 | if (r < 0) | |
378 | return r; | |
379 | ||
380 | return sd_bus_message_close_container(reply); | |
381 | } | |
382 | ||
383 | static int property_get_syscall_archs( | |
384 | sd_bus *bus, | |
385 | const char *path, | |
386 | const char *interface, | |
387 | const char *property, | |
388 | sd_bus_message *reply, | |
389 | void *userdata, | |
390 | sd_bus_error *error) { | |
391 | ||
392 | ExecContext *c = userdata; | |
393 | _cleanup_strv_free_ char **l = NULL; | |
394 | int r; | |
395 | ||
396 | #ifdef HAVE_SECCOMP | |
397 | Iterator i; | |
398 | void *id; | |
399 | #endif | |
400 | ||
401 | assert(bus); | |
402 | assert(reply); | |
403 | assert(c); | |
404 | ||
405 | #ifdef HAVE_SECCOMP | |
406 | SET_FOREACH(id, c->syscall_archs, i) { | |
407 | const char *name; | |
408 | ||
409 | name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1); | |
410 | if (!name) | |
411 | continue; | |
412 | ||
413 | r = strv_extend(&l, name); | |
414 | if (r < 0) | |
415 | return -ENOMEM; | |
416 | } | |
417 | #endif | |
418 | ||
419 | strv_sort(l); | |
420 | ||
421 | r = sd_bus_message_append_strv(reply, l); | |
422 | if (r < 0) | |
423 | return r; | |
424 | ||
425 | return 0; | |
426 | } | |
427 | ||
428 | static int property_get_syscall_errno( | |
429 | sd_bus *bus, | |
430 | const char *path, | |
431 | const char *interface, | |
432 | const char *property, | |
433 | sd_bus_message *reply, | |
434 | void *userdata, | |
435 | sd_bus_error *error) { | |
436 | ||
437 | ExecContext *c = userdata; | |
438 | ||
439 | assert(bus); | |
440 | assert(reply); | |
441 | assert(c); | |
442 | ||
443 | return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno); | |
444 | } | |
445 | ||
446 | static int property_get_selinux_context( | |
447 | sd_bus *bus, | |
448 | const char *path, | |
449 | const char *interface, | |
450 | const char *property, | |
451 | sd_bus_message *reply, | |
452 | void *userdata, | |
453 | sd_bus_error *error) { | |
454 | ||
455 | ExecContext *c = userdata; | |
456 | ||
457 | assert(bus); | |
458 | assert(reply); | |
459 | assert(c); | |
460 | ||
461 | return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context); | |
462 | } | |
463 | ||
464 | static int property_get_apparmor_profile( | |
465 | sd_bus *bus, | |
466 | const char *path, | |
467 | const char *interface, | |
468 | const char *property, | |
469 | sd_bus_message *reply, | |
470 | void *userdata, | |
471 | sd_bus_error *error) { | |
472 | ||
473 | ExecContext *c = userdata; | |
474 | ||
475 | assert(bus); | |
476 | assert(reply); | |
477 | assert(c); | |
478 | ||
479 | return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile); | |
480 | } | |
481 | ||
482 | static int property_get_smack_process_label( | |
483 | sd_bus *bus, | |
484 | const char *path, | |
485 | const char *interface, | |
486 | const char *property, | |
487 | sd_bus_message *reply, | |
488 | void *userdata, | |
489 | sd_bus_error *error) { | |
490 | ||
491 | ExecContext *c = userdata; | |
492 | ||
493 | assert(bus); | |
494 | assert(reply); | |
495 | assert(c); | |
496 | ||
497 | return sd_bus_message_append(reply, "(bs)", c->smack_process_label_ignore, c->smack_process_label); | |
498 | } | |
499 | ||
500 | static int property_get_personality( | |
501 | sd_bus *bus, | |
502 | const char *path, | |
503 | const char *interface, | |
504 | const char *property, | |
505 | sd_bus_message *reply, | |
506 | void *userdata, | |
507 | sd_bus_error *error) { | |
508 | ||
509 | ExecContext *c = userdata; | |
510 | ||
511 | assert(bus); | |
512 | assert(reply); | |
513 | assert(c); | |
514 | ||
515 | return sd_bus_message_append(reply, "s", personality_to_string(c->personality)); | |
516 | } | |
517 | ||
518 | static int property_get_address_families( | |
519 | sd_bus *bus, | |
520 | const char *path, | |
521 | const char *interface, | |
522 | const char *property, | |
523 | sd_bus_message *reply, | |
524 | void *userdata, | |
525 | sd_bus_error *error) { | |
526 | ||
527 | ExecContext *c = userdata; | |
528 | _cleanup_strv_free_ char **l = NULL; | |
529 | Iterator i; | |
530 | void *af; | |
531 | int r; | |
532 | ||
533 | assert(bus); | |
534 | assert(reply); | |
535 | assert(c); | |
536 | ||
537 | r = sd_bus_message_open_container(reply, 'r', "bas"); | |
538 | if (r < 0) | |
539 | return r; | |
540 | ||
541 | r = sd_bus_message_append(reply, "b", c->address_families_whitelist); | |
542 | if (r < 0) | |
543 | return r; | |
544 | ||
545 | SET_FOREACH(af, c->address_families, i) { | |
546 | const char *name; | |
547 | ||
548 | name = af_to_name(PTR_TO_INT(af)); | |
549 | if (!name) | |
550 | continue; | |
551 | ||
552 | r = strv_extend(&l, name); | |
553 | if (r < 0) | |
554 | return -ENOMEM; | |
555 | } | |
556 | ||
557 | strv_sort(l); | |
558 | ||
559 | r = sd_bus_message_append_strv(reply, l); | |
560 | if (r < 0) | |
561 | return r; | |
562 | ||
563 | return sd_bus_message_close_container(reply); | |
564 | } | |
565 | ||
566 | static int property_get_working_directory( | |
567 | sd_bus *bus, | |
568 | const char *path, | |
569 | const char *interface, | |
570 | const char *property, | |
571 | sd_bus_message *reply, | |
572 | void *userdata, | |
573 | sd_bus_error *error) { | |
574 | ||
575 | ExecContext *c = userdata; | |
576 | const char *wd; | |
577 | ||
578 | assert(bus); | |
579 | assert(reply); | |
580 | assert(c); | |
581 | ||
582 | if (c->working_directory_home) | |
583 | wd = "~"; | |
584 | else | |
585 | wd = c->working_directory; | |
586 | ||
587 | if (c->working_directory_missing_ok) | |
588 | wd = strjoina("!", wd); | |
589 | ||
590 | return sd_bus_message_append(reply, "s", wd); | |
591 | } | |
592 | ||
593 | static int property_get_syslog_level( | |
594 | sd_bus *bus, | |
595 | const char *path, | |
596 | const char *interface, | |
597 | const char *property, | |
598 | sd_bus_message *reply, | |
599 | void *userdata, | |
600 | sd_bus_error *error) { | |
601 | ||
602 | ExecContext *c = userdata; | |
603 | ||
604 | assert(bus); | |
605 | assert(reply); | |
606 | assert(c); | |
607 | ||
608 | return sd_bus_message_append(reply, "i", LOG_PRI(c->syslog_priority)); | |
609 | } | |
610 | ||
611 | static int property_get_syslog_facility( | |
612 | sd_bus *bus, | |
613 | const char *path, | |
614 | const char *interface, | |
615 | const char *property, | |
616 | sd_bus_message *reply, | |
617 | void *userdata, | |
618 | sd_bus_error *error) { | |
619 | ||
620 | ExecContext *c = userdata; | |
621 | ||
622 | assert(bus); | |
623 | assert(reply); | |
624 | assert(c); | |
625 | ||
626 | return sd_bus_message_append(reply, "i", LOG_FAC(c->syslog_priority)); | |
627 | } | |
628 | ||
629 | const sd_bus_vtable bus_exec_vtable[] = { | |
630 | SD_BUS_VTABLE_START(0), | |
631 | SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST), | |
632 | SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
633 | SD_BUS_PROPERTY("PassEnvironment", "as", NULL, offsetof(ExecContext, pass_environment), SD_BUS_VTABLE_PROPERTY_CONST), | |
634 | SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST), | |
635 | SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), | |
636 | SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), | |
637 | SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
638 | SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
639 | SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), | |
640 | SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), | |
641 | SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
642 | SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
643 | SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
644 | SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
645 | SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
646 | SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
647 | SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
648 | SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
649 | SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
650 | SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
651 | SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), | |
652 | SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), | |
653 | SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
654 | SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
655 | SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
656 | SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
657 | SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), | |
658 | SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), | |
659 | SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
660 | SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
661 | SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
662 | SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
663 | SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
664 | SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
665 | SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), | |
666 | SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), | |
667 | SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
668 | SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
669 | SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
670 | SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
671 | SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
672 | SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
673 | SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
674 | SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
675 | SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
676 | SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST), | |
677 | SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST), | |
678 | SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST), | |
679 | SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output, offsetof(ExecContext, std_output), SD_BUS_VTABLE_PROPERTY_CONST), | |
680 | SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output, offsetof(ExecContext, std_error), SD_BUS_VTABLE_PROPERTY_CONST), | |
681 | SD_BUS_PROPERTY("TTYPath", "s", NULL, offsetof(ExecContext, tty_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
682 | SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool, offsetof(ExecContext, tty_reset), SD_BUS_VTABLE_PROPERTY_CONST), | |
683 | SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool, offsetof(ExecContext, tty_vhangup), SD_BUS_VTABLE_PROPERTY_CONST), | |
684 | SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool, offsetof(ExecContext, tty_vt_disallocate), SD_BUS_VTABLE_PROPERTY_CONST), | |
685 | SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), | |
686 | SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST), | |
687 | SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST), | |
688 | SD_BUS_PROPERTY("SyslogLevel", "i", property_get_syslog_level, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
689 | SD_BUS_PROPERTY("SyslogFacility", "i", property_get_syslog_facility, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
690 | SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN), | |
691 | SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), | |
692 | SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
693 | SD_BUS_PROPERTY("AmbientCapabilities", "t", property_get_ambient_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
694 | SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), | |
695 | SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), | |
696 | SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST), | |
697 | SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST), | |
698 | SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
699 | SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
700 | SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
701 | SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST), | |
702 | SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST), | |
703 | SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST), | |
704 | SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST), | |
705 | SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST), | |
706 | SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST), | |
707 | SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), | |
708 | SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
709 | SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode, offsetof(ExecContext, utmp_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
710 | SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
711 | SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
712 | SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
713 | SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST), | |
714 | SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST), | |
715 | SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
716 | SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
717 | SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
718 | SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
719 | SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
720 | SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
721 | SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
722 | SD_BUS_VTABLE_END | |
723 | }; | |
724 | ||
725 | static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { | |
726 | int r; | |
727 | ||
728 | assert(reply); | |
729 | assert(c); | |
730 | ||
731 | if (!c->path) | |
732 | return 0; | |
733 | ||
734 | r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); | |
735 | if (r < 0) | |
736 | return r; | |
737 | ||
738 | r = sd_bus_message_append(reply, "s", c->path); | |
739 | if (r < 0) | |
740 | return r; | |
741 | ||
742 | r = sd_bus_message_append_strv(reply, c->argv); | |
743 | if (r < 0) | |
744 | return r; | |
745 | ||
746 | r = sd_bus_message_append(reply, "bttttuii", | |
747 | c->ignore, | |
748 | c->exec_status.start_timestamp.realtime, | |
749 | c->exec_status.start_timestamp.monotonic, | |
750 | c->exec_status.exit_timestamp.realtime, | |
751 | c->exec_status.exit_timestamp.monotonic, | |
752 | (uint32_t) c->exec_status.pid, | |
753 | (int32_t) c->exec_status.code, | |
754 | (int32_t) c->exec_status.status); | |
755 | if (r < 0) | |
756 | return r; | |
757 | ||
758 | return sd_bus_message_close_container(reply); | |
759 | } | |
760 | ||
761 | int bus_property_get_exec_command( | |
762 | sd_bus *bus, | |
763 | const char *path, | |
764 | const char *interface, | |
765 | const char *property, | |
766 | sd_bus_message *reply, | |
767 | void *userdata, | |
768 | sd_bus_error *ret_error) { | |
769 | ||
770 | ExecCommand *c = (ExecCommand*) userdata; | |
771 | int r; | |
772 | ||
773 | assert(bus); | |
774 | assert(reply); | |
775 | ||
776 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); | |
777 | if (r < 0) | |
778 | return r; | |
779 | ||
780 | r = append_exec_command(reply, c); | |
781 | if (r < 0) | |
782 | return r; | |
783 | ||
784 | return sd_bus_message_close_container(reply); | |
785 | } | |
786 | ||
787 | int bus_property_get_exec_command_list( | |
788 | sd_bus *bus, | |
789 | const char *path, | |
790 | const char *interface, | |
791 | const char *property, | |
792 | sd_bus_message *reply, | |
793 | void *userdata, | |
794 | sd_bus_error *ret_error) { | |
795 | ||
796 | ExecCommand *c = *(ExecCommand**) userdata; | |
797 | int r; | |
798 | ||
799 | assert(bus); | |
800 | assert(reply); | |
801 | ||
802 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); | |
803 | if (r < 0) | |
804 | return r; | |
805 | ||
806 | LIST_FOREACH(command, c, c) { | |
807 | r = append_exec_command(reply, c); | |
808 | if (r < 0) | |
809 | return r; | |
810 | } | |
811 | ||
812 | return sd_bus_message_close_container(reply); | |
813 | } | |
814 | ||
815 | int bus_exec_context_set_transient_property( | |
816 | Unit *u, | |
817 | ExecContext *c, | |
818 | const char *name, | |
819 | sd_bus_message *message, | |
820 | UnitSetPropertiesMode mode, | |
821 | sd_bus_error *error) { | |
822 | ||
823 | const char *soft = NULL; | |
824 | int r, ri; | |
825 | ||
826 | assert(u); | |
827 | assert(c); | |
828 | assert(name); | |
829 | assert(message); | |
830 | ||
831 | if (streq(name, "User")) { | |
832 | const char *uu; | |
833 | ||
834 | r = sd_bus_message_read(message, "s", &uu); | |
835 | if (r < 0) | |
836 | return r; | |
837 | ||
838 | if (mode != UNIT_CHECK) { | |
839 | r = free_and_strdup(&c->user, uu); | |
840 | if (r < 0) | |
841 | return r; | |
842 | ||
843 | unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu); | |
844 | } | |
845 | ||
846 | return 1; | |
847 | ||
848 | } else if (streq(name, "Group")) { | |
849 | const char *gg; | |
850 | ||
851 | r = sd_bus_message_read(message, "s", &gg); | |
852 | if (r < 0) | |
853 | return r; | |
854 | ||
855 | if (mode != UNIT_CHECK) { | |
856 | r = free_and_strdup(&c->group, gg); | |
857 | if (r < 0) | |
858 | return r; | |
859 | ||
860 | unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg); | |
861 | } | |
862 | ||
863 | return 1; | |
864 | } else if (streq(name, "SyslogIdentifier")) { | |
865 | const char *id; | |
866 | ||
867 | r = sd_bus_message_read(message, "s", &id); | |
868 | if (r < 0) | |
869 | return r; | |
870 | ||
871 | if (mode != UNIT_CHECK) { | |
872 | r = free_and_strdup(&c->syslog_identifier, id); | |
873 | if (r < 0) | |
874 | return r; | |
875 | ||
876 | unit_write_drop_in_private_format(u, mode, name, "SyslogIdentifier=%s\n", id); | |
877 | } | |
878 | ||
879 | return 1; | |
880 | } else if (streq(name, "SyslogLevel")) { | |
881 | int level; | |
882 | ||
883 | r = sd_bus_message_read(message, "i", &level); | |
884 | if (r < 0) | |
885 | return r; | |
886 | ||
887 | if (!log_level_is_valid(level)) | |
888 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log level value out of range"); | |
889 | ||
890 | if (mode != UNIT_CHECK) { | |
891 | c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level; | |
892 | unit_write_drop_in_private_format(u, mode, name, "SyslogLevel=%i\n", level); | |
893 | } | |
894 | ||
895 | return 1; | |
896 | } else if (streq(name, "SyslogFacility")) { | |
897 | int facility; | |
898 | ||
899 | r = sd_bus_message_read(message, "i", &facility); | |
900 | if (r < 0) | |
901 | return r; | |
902 | ||
903 | if (!log_facility_unshifted_is_valid(facility)) | |
904 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log facility value out of range"); | |
905 | ||
906 | if (mode != UNIT_CHECK) { | |
907 | c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority); | |
908 | unit_write_drop_in_private_format(u, mode, name, "SyslogFacility=%i\n", facility); | |
909 | } | |
910 | ||
911 | return 1; | |
912 | } else if (streq(name, "Nice")) { | |
913 | int n; | |
914 | ||
915 | r = sd_bus_message_read(message, "i", &n); | |
916 | if (r < 0) | |
917 | return r; | |
918 | ||
919 | if (n < PRIO_MIN || n >= PRIO_MAX) | |
920 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range"); | |
921 | ||
922 | if (mode != UNIT_CHECK) { | |
923 | c->nice = n; | |
924 | unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n); | |
925 | } | |
926 | ||
927 | return 1; | |
928 | ||
929 | } else if (STR_IN_SET(name, "TTYPath", "RootDirectory")) { | |
930 | const char *s; | |
931 | ||
932 | r = sd_bus_message_read(message, "s", &s); | |
933 | if (r < 0) | |
934 | return r; | |
935 | ||
936 | if (!path_is_absolute(s)) | |
937 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s takes an absolute path", name); | |
938 | ||
939 | if (mode != UNIT_CHECK) { | |
940 | if (streq(name, "TTYPath")) | |
941 | r = free_and_strdup(&c->tty_path, s); | |
942 | else { | |
943 | assert(streq(name, "RootDirectory")); | |
944 | r = free_and_strdup(&c->root_directory, s); | |
945 | } | |
946 | if (r < 0) | |
947 | return r; | |
948 | ||
949 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, s); | |
950 | } | |
951 | ||
952 | return 1; | |
953 | ||
954 | } else if (streq(name, "WorkingDirectory")) { | |
955 | const char *s; | |
956 | bool missing_ok; | |
957 | ||
958 | r = sd_bus_message_read(message, "s", &s); | |
959 | if (r < 0) | |
960 | return r; | |
961 | ||
962 | if (s[0] == '-') { | |
963 | missing_ok = true; | |
964 | s++; | |
965 | } else | |
966 | missing_ok = false; | |
967 | ||
968 | if (!streq(s, "~") && !path_is_absolute(s)) | |
969 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'"); | |
970 | ||
971 | if (mode != UNIT_CHECK) { | |
972 | if (streq(s, "~")) { | |
973 | c->working_directory = mfree(c->working_directory); | |
974 | c->working_directory_home = true; | |
975 | } else { | |
976 | r = free_and_strdup(&c->working_directory, s); | |
977 | if (r < 0) | |
978 | return r; | |
979 | ||
980 | c->working_directory_home = false; | |
981 | } | |
982 | ||
983 | c->working_directory_missing_ok = missing_ok; | |
984 | unit_write_drop_in_private_format(u, mode, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s); | |
985 | } | |
986 | ||
987 | return 1; | |
988 | ||
989 | } else if (streq(name, "StandardInput")) { | |
990 | const char *s; | |
991 | ExecInput p; | |
992 | ||
993 | r = sd_bus_message_read(message, "s", &s); | |
994 | if (r < 0) | |
995 | return r; | |
996 | ||
997 | p = exec_input_from_string(s); | |
998 | if (p < 0) | |
999 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name"); | |
1000 | ||
1001 | if (mode != UNIT_CHECK) { | |
1002 | c->std_input = p; | |
1003 | ||
1004 | unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s\n", exec_input_to_string(p)); | |
1005 | } | |
1006 | ||
1007 | return 1; | |
1008 | ||
1009 | ||
1010 | } else if (streq(name, "StandardOutput")) { | |
1011 | const char *s; | |
1012 | ExecOutput p; | |
1013 | ||
1014 | r = sd_bus_message_read(message, "s", &s); | |
1015 | if (r < 0) | |
1016 | return r; | |
1017 | ||
1018 | p = exec_output_from_string(s); | |
1019 | if (p < 0) | |
1020 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name"); | |
1021 | ||
1022 | if (mode != UNIT_CHECK) { | |
1023 | c->std_output = p; | |
1024 | ||
1025 | unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s\n", exec_output_to_string(p)); | |
1026 | } | |
1027 | ||
1028 | return 1; | |
1029 | ||
1030 | } else if (streq(name, "StandardError")) { | |
1031 | const char *s; | |
1032 | ExecOutput p; | |
1033 | ||
1034 | r = sd_bus_message_read(message, "s", &s); | |
1035 | if (r < 0) | |
1036 | return r; | |
1037 | ||
1038 | p = exec_output_from_string(s); | |
1039 | if (p < 0) | |
1040 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name"); | |
1041 | ||
1042 | if (mode != UNIT_CHECK) { | |
1043 | c->std_error = p; | |
1044 | ||
1045 | unit_write_drop_in_private_format(u, mode, name, "StandardError=%s\n", exec_output_to_string(p)); | |
1046 | } | |
1047 | ||
1048 | return 1; | |
1049 | ||
1050 | } else if (STR_IN_SET(name, | |
1051 | "IgnoreSIGPIPE", "TTYVHangup", "TTYReset", | |
1052 | "PrivateTmp", "PrivateDevices", "PrivateNetwork", | |
1053 | "NoNewPrivileges", "SyslogLevelPrefix")) { | |
1054 | int b; | |
1055 | ||
1056 | r = sd_bus_message_read(message, "b", &b); | |
1057 | if (r < 0) | |
1058 | return r; | |
1059 | ||
1060 | if (mode != UNIT_CHECK) { | |
1061 | if (streq(name, "IgnoreSIGPIPE")) | |
1062 | c->ignore_sigpipe = b; | |
1063 | else if (streq(name, "TTYVHangup")) | |
1064 | c->tty_vhangup = b; | |
1065 | else if (streq(name, "TTYReset")) | |
1066 | c->tty_reset = b; | |
1067 | else if (streq(name, "PrivateTmp")) | |
1068 | c->private_tmp = b; | |
1069 | else if (streq(name, "PrivateDevices")) | |
1070 | c->private_devices = b; | |
1071 | else if (streq(name, "PrivateNetwork")) | |
1072 | c->private_network = b; | |
1073 | else if (streq(name, "NoNewPrivileges")) | |
1074 | c->no_new_privileges = b; | |
1075 | else if (streq(name, "SyslogLevelPrefix")) | |
1076 | c->syslog_level_prefix = b; | |
1077 | ||
1078 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, yes_no(b)); | |
1079 | } | |
1080 | ||
1081 | return 1; | |
1082 | ||
1083 | } else if (streq(name, "UtmpIdentifier")) { | |
1084 | const char *id; | |
1085 | ||
1086 | r = sd_bus_message_read(message, "s", &id); | |
1087 | if (r < 0) | |
1088 | return r; | |
1089 | ||
1090 | if (mode != UNIT_CHECK) { | |
1091 | r = free_and_strdup(&c->utmp_id, id); | |
1092 | if (r < 0) | |
1093 | return r; | |
1094 | ||
1095 | unit_write_drop_in_private_format(u, mode, name, "UtmpIdentifier=%s\n", strempty(id)); | |
1096 | } | |
1097 | ||
1098 | return 1; | |
1099 | ||
1100 | } else if (streq(name, "UtmpMode")) { | |
1101 | const char *s; | |
1102 | ExecUtmpMode m; | |
1103 | ||
1104 | r = sd_bus_message_read(message, "s", &s); | |
1105 | if (r < 0) | |
1106 | return r; | |
1107 | ||
1108 | m = exec_utmp_mode_from_string(s); | |
1109 | if (m < 0) | |
1110 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid utmp mode"); | |
1111 | ||
1112 | if (mode != UNIT_CHECK) { | |
1113 | c->utmp_mode = m; | |
1114 | ||
1115 | unit_write_drop_in_private_format(u, mode, name, "UtmpMode=%s\n", exec_utmp_mode_to_string(m)); | |
1116 | } | |
1117 | ||
1118 | return 1; | |
1119 | ||
1120 | } else if (streq(name, "PAMName")) { | |
1121 | const char *n; | |
1122 | ||
1123 | r = sd_bus_message_read(message, "s", &n); | |
1124 | if (r < 0) | |
1125 | return r; | |
1126 | ||
1127 | if (mode != UNIT_CHECK) { | |
1128 | r = free_and_strdup(&c->pam_name, n); | |
1129 | if (r < 0) | |
1130 | return r; | |
1131 | ||
1132 | unit_write_drop_in_private_format(u, mode, name, "PAMName=%s\n", strempty(n)); | |
1133 | } | |
1134 | ||
1135 | return 1; | |
1136 | ||
1137 | } else if (streq(name, "Environment")) { | |
1138 | ||
1139 | _cleanup_strv_free_ char **l = NULL; | |
1140 | ||
1141 | r = sd_bus_message_read_strv(message, &l); | |
1142 | if (r < 0) | |
1143 | return r; | |
1144 | ||
1145 | if (!strv_env_is_valid(l)) | |
1146 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); | |
1147 | ||
1148 | if (mode != UNIT_CHECK) { | |
1149 | _cleanup_free_ char *joined = NULL; | |
1150 | char **e; | |
1151 | ||
1152 | if (strv_length(l) == 0) { | |
1153 | c->environment = strv_free(c->environment); | |
1154 | unit_write_drop_in_private_format(u, mode, name, "Environment=\n"); | |
1155 | } else { | |
1156 | e = strv_env_merge(2, c->environment, l); | |
1157 | if (!e) | |
1158 | return -ENOMEM; | |
1159 | ||
1160 | strv_free(c->environment); | |
1161 | c->environment = e; | |
1162 | ||
1163 | joined = strv_join_quoted(c->environment); | |
1164 | if (!joined) | |
1165 | return -ENOMEM; | |
1166 | ||
1167 | unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined); | |
1168 | } | |
1169 | } | |
1170 | ||
1171 | return 1; | |
1172 | ||
1173 | } else if (streq(name, "TimerSlackNSec")) { | |
1174 | ||
1175 | nsec_t n; | |
1176 | ||
1177 | r = sd_bus_message_read(message, "t", &n); | |
1178 | if (r < 0) | |
1179 | return r; | |
1180 | ||
1181 | if (mode != UNIT_CHECK) { | |
1182 | c->timer_slack_nsec = n; | |
1183 | unit_write_drop_in_private_format(u, mode, name, "TimerSlackNSec=" NSEC_FMT "\n", n); | |
1184 | } | |
1185 | ||
1186 | return 1; | |
1187 | ||
1188 | } else if (streq(name, "OOMScoreAdjust")) { | |
1189 | int oa; | |
1190 | ||
1191 | r = sd_bus_message_read(message, "i", &oa); | |
1192 | if (r < 0) | |
1193 | return r; | |
1194 | ||
1195 | if (!oom_score_adjust_is_valid(oa)) | |
1196 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "OOM score adjust value out of range"); | |
1197 | ||
1198 | if (mode != UNIT_CHECK) { | |
1199 | c->oom_score_adjust = oa; | |
1200 | c->oom_score_adjust_set = true; | |
1201 | unit_write_drop_in_private_format(u, mode, name, "OOMScoreAdjust=%i\n", oa); | |
1202 | } | |
1203 | ||
1204 | return 1; | |
1205 | ||
1206 | } else if (streq(name, "EnvironmentFiles")) { | |
1207 | ||
1208 | _cleanup_free_ char *joined = NULL; | |
1209 | _cleanup_fclose_ FILE *f = NULL; | |
1210 | _cleanup_free_ char **l = NULL; | |
1211 | size_t size = 0; | |
1212 | char **i; | |
1213 | ||
1214 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); | |
1215 | if (r < 0) | |
1216 | return r; | |
1217 | ||
1218 | f = open_memstream(&joined, &size); | |
1219 | if (!f) | |
1220 | return -ENOMEM; | |
1221 | ||
1222 | STRV_FOREACH(i, c->environment_files) | |
1223 | fprintf(f, "EnvironmentFile=%s\n", *i); | |
1224 | ||
1225 | while ((r = sd_bus_message_enter_container(message, 'r', "sb")) > 0) { | |
1226 | const char *path; | |
1227 | int b; | |
1228 | ||
1229 | r = sd_bus_message_read(message, "sb", &path, &b); | |
1230 | if (r < 0) | |
1231 | return r; | |
1232 | ||
1233 | r = sd_bus_message_exit_container(message); | |
1234 | if (r < 0) | |
1235 | return r; | |
1236 | ||
1237 | if (!isempty(path) && !path_is_absolute(path)) | |
1238 | return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path); | |
1239 | ||
1240 | if (mode != UNIT_CHECK) { | |
1241 | char *buf = NULL; | |
1242 | ||
1243 | buf = strjoin(b ? "-" : "", path, NULL); | |
1244 | if (!buf) | |
1245 | return -ENOMEM; | |
1246 | ||
1247 | fprintf(f, "EnvironmentFile=%s\n", buf); | |
1248 | ||
1249 | r = strv_consume(&l, buf); | |
1250 | if (r < 0) | |
1251 | return r; | |
1252 | } | |
1253 | } | |
1254 | if (r < 0) | |
1255 | return r; | |
1256 | ||
1257 | r = sd_bus_message_exit_container(message); | |
1258 | if (r < 0) | |
1259 | return r; | |
1260 | ||
1261 | r = fflush_and_check(f); | |
1262 | if (r < 0) | |
1263 | return r; | |
1264 | ||
1265 | if (mode != UNIT_CHECK) { | |
1266 | if (strv_isempty(l)) { | |
1267 | c->environment_files = strv_free(c->environment_files); | |
1268 | unit_write_drop_in_private(u, mode, name, "EnvironmentFile=\n"); | |
1269 | } else { | |
1270 | r = strv_extend_strv(&c->environment_files, l, true); | |
1271 | if (r < 0) | |
1272 | return r; | |
1273 | ||
1274 | unit_write_drop_in_private(u, mode, name, joined); | |
1275 | } | |
1276 | } | |
1277 | ||
1278 | return 1; | |
1279 | ||
1280 | } else if (streq(name, "PassEnvironment")) { | |
1281 | ||
1282 | _cleanup_strv_free_ char **l = NULL; | |
1283 | ||
1284 | r = sd_bus_message_read_strv(message, &l); | |
1285 | if (r < 0) | |
1286 | return r; | |
1287 | ||
1288 | if (!strv_env_name_is_valid(l)) | |
1289 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PassEnvironment block."); | |
1290 | ||
1291 | if (mode != UNIT_CHECK) { | |
1292 | if (strv_isempty(l)) { | |
1293 | c->pass_environment = strv_free(c->pass_environment); | |
1294 | unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=\n"); | |
1295 | } else { | |
1296 | _cleanup_free_ char *joined = NULL; | |
1297 | ||
1298 | r = strv_extend_strv(&c->pass_environment, l, true); | |
1299 | if (r < 0) | |
1300 | return r; | |
1301 | ||
1302 | joined = strv_join_quoted(c->pass_environment); | |
1303 | if (!joined) | |
1304 | return -ENOMEM; | |
1305 | ||
1306 | unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=%s\n", joined); | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | return 1; | |
1311 | ||
1312 | } else if (STR_IN_SET(name, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories")) { | |
1313 | ||
1314 | _cleanup_strv_free_ char **l = NULL; | |
1315 | char ***dirs; | |
1316 | char **p; | |
1317 | ||
1318 | r = sd_bus_message_read_strv(message, &l); | |
1319 | if (r < 0) | |
1320 | return r; | |
1321 | ||
1322 | STRV_FOREACH(p, l) { | |
1323 | int offset; | |
1324 | if (!utf8_is_valid(*p)) | |
1325 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name); | |
1326 | ||
1327 | offset = **p == '-'; | |
1328 | if (!path_is_absolute(*p + offset)) | |
1329 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name); | |
1330 | } | |
1331 | ||
1332 | if (mode != UNIT_CHECK) { | |
1333 | _cleanup_free_ char *joined = NULL; | |
1334 | ||
1335 | if (streq(name, "ReadWriteDirectories")) | |
1336 | dirs = &c->read_write_dirs; | |
1337 | else if (streq(name, "ReadOnlyDirectories")) | |
1338 | dirs = &c->read_only_dirs; | |
1339 | else /* "InaccessibleDirectories" */ | |
1340 | dirs = &c->inaccessible_dirs; | |
1341 | ||
1342 | if (strv_length(l) == 0) { | |
1343 | *dirs = strv_free(*dirs); | |
1344 | unit_write_drop_in_private_format(u, mode, name, "%s=\n", name); | |
1345 | } else { | |
1346 | r = strv_extend_strv(dirs, l, true); | |
1347 | ||
1348 | if (r < 0) | |
1349 | return -ENOMEM; | |
1350 | ||
1351 | joined = strv_join_quoted(*dirs); | |
1352 | if (!joined) | |
1353 | return -ENOMEM; | |
1354 | ||
1355 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, joined); | |
1356 | } | |
1357 | ||
1358 | } | |
1359 | ||
1360 | return 1; | |
1361 | ||
1362 | } else if (streq(name, "ProtectSystem")) { | |
1363 | const char *s; | |
1364 | ProtectSystem ps; | |
1365 | ||
1366 | r = sd_bus_message_read(message, "s", &s); | |
1367 | if (r < 0) | |
1368 | return r; | |
1369 | ||
1370 | r = parse_boolean(s); | |
1371 | if (r > 0) | |
1372 | ps = PROTECT_SYSTEM_YES; | |
1373 | else if (r == 0) | |
1374 | ps = PROTECT_SYSTEM_NO; | |
1375 | else { | |
1376 | ps = protect_system_from_string(s); | |
1377 | if (ps < 0) | |
1378 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect system value"); | |
1379 | } | |
1380 | ||
1381 | if (mode != UNIT_CHECK) { | |
1382 | c->protect_system = ps; | |
1383 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, s); | |
1384 | } | |
1385 | ||
1386 | return 1; | |
1387 | ||
1388 | } else if (streq(name, "ProtectHome")) { | |
1389 | const char *s; | |
1390 | ProtectHome ph; | |
1391 | ||
1392 | r = sd_bus_message_read(message, "s", &s); | |
1393 | if (r < 0) | |
1394 | return r; | |
1395 | ||
1396 | r = parse_boolean(s); | |
1397 | if (r > 0) | |
1398 | ph = PROTECT_HOME_YES; | |
1399 | else if (r == 0) | |
1400 | ph = PROTECT_HOME_NO; | |
1401 | else { | |
1402 | ph = protect_home_from_string(s); | |
1403 | if (ph < 0) | |
1404 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect home value"); | |
1405 | } | |
1406 | ||
1407 | if (mode != UNIT_CHECK) { | |
1408 | c->protect_home = ph; | |
1409 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, s); | |
1410 | } | |
1411 | ||
1412 | return 1; | |
1413 | ||
1414 | } else if (streq(name, "RuntimeDirectory")) { | |
1415 | _cleanup_strv_free_ char **l = NULL; | |
1416 | char **p; | |
1417 | ||
1418 | r = sd_bus_message_read_strv(message, &l); | |
1419 | if (r < 0) | |
1420 | return r; | |
1421 | ||
1422 | STRV_FOREACH(p, l) { | |
1423 | if (!filename_is_valid(*p)) | |
1424 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Runtime directory is not valid %s", *p); | |
1425 | } | |
1426 | ||
1427 | if (mode != UNIT_CHECK) { | |
1428 | _cleanup_free_ char *joined = NULL; | |
1429 | ||
1430 | if (strv_isempty(l)) { | |
1431 | c->runtime_directory = strv_free(c->runtime_directory); | |
1432 | unit_write_drop_in_private_format(u, mode, name, "%s=\n", name); | |
1433 | } else { | |
1434 | r = strv_extend_strv(&c->runtime_directory, l, true); | |
1435 | ||
1436 | if (r < 0) | |
1437 | return -ENOMEM; | |
1438 | ||
1439 | joined = strv_join_quoted(c->runtime_directory); | |
1440 | if (!joined) | |
1441 | return -ENOMEM; | |
1442 | ||
1443 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, joined); | |
1444 | } | |
1445 | } | |
1446 | ||
1447 | return 1; | |
1448 | ||
1449 | } else if (streq(name, "SELinuxContext")) { | |
1450 | const char *s; | |
1451 | ||
1452 | r = sd_bus_message_read(message, "s", &s); | |
1453 | if (r < 0) | |
1454 | return r; | |
1455 | ||
1456 | if (mode != UNIT_CHECK) { | |
1457 | r = free_and_strdup(&c->selinux_context, s); | |
1458 | if (r < 0) | |
1459 | return r; | |
1460 | ||
1461 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, strempty(s)); | |
1462 | } | |
1463 | ||
1464 | return 1; | |
1465 | ||
1466 | } | |
1467 | ||
1468 | ri = rlimit_from_string(name); | |
1469 | if (ri < 0) { | |
1470 | soft = endswith(name, "Soft"); | |
1471 | if (soft) { | |
1472 | const char *n; | |
1473 | ||
1474 | n = strndupa(name, soft - name); | |
1475 | ri = rlimit_from_string(n); | |
1476 | if (ri >= 0) | |
1477 | name = n; | |
1478 | ||
1479 | } | |
1480 | } | |
1481 | ||
1482 | if (ri >= 0) { | |
1483 | uint64_t rl; | |
1484 | rlim_t x; | |
1485 | ||
1486 | r = sd_bus_message_read(message, "t", &rl); | |
1487 | if (r < 0) | |
1488 | return r; | |
1489 | ||
1490 | if (rl == (uint64_t) -1) | |
1491 | x = RLIM_INFINITY; | |
1492 | else { | |
1493 | x = (rlim_t) rl; | |
1494 | ||
1495 | if ((uint64_t) x != rl) | |
1496 | return -ERANGE; | |
1497 | } | |
1498 | ||
1499 | if (mode != UNIT_CHECK) { | |
1500 | _cleanup_free_ char *f = NULL; | |
1501 | struct rlimit nl; | |
1502 | ||
1503 | if (c->rlimit[ri]) { | |
1504 | nl = *c->rlimit[ri]; | |
1505 | ||
1506 | if (soft) | |
1507 | nl.rlim_cur = x; | |
1508 | else | |
1509 | nl.rlim_max = x; | |
1510 | } else | |
1511 | /* When the resource limit is not initialized yet, then assign the value to both fields */ | |
1512 | nl = (struct rlimit) { | |
1513 | .rlim_cur = x, | |
1514 | .rlim_max = x, | |
1515 | }; | |
1516 | ||
1517 | r = rlimit_format(&nl, &f); | |
1518 | if (r < 0) | |
1519 | return r; | |
1520 | ||
1521 | if (c->rlimit[ri]) | |
1522 | *c->rlimit[ri] = nl; | |
1523 | else { | |
1524 | c->rlimit[ri] = newdup(struct rlimit, &nl, 1); | |
1525 | if (!c->rlimit[ri]) | |
1526 | return -ENOMEM; | |
1527 | } | |
1528 | ||
1529 | unit_write_drop_in_private_format(u, mode, name, "%s=%s\n", name, f); | |
1530 | } | |
1531 | ||
1532 | return 1; | |
1533 | } | |
1534 | ||
1535 | return 0; | |
1536 | } |