]> git.ipfire.org Git - thirdparty/systemd.git/blob - src/core/dbus-execute.c
projects / thirdparty / systemd.git / blob
? search:


4c88c41127bfc13767988b2d056c9b2eb543f7f8
[thirdparty/systemd.git] / src / core / dbus-execute.c
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_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool, offsetof(ExecContext, memory_deny_write_execute), SD_BUS_VTABLE_PROPERTY_CONST),
723 SD_BUS_VTABLE_END
724 };
725
726 static int append_exec_command(sd_bus_message *reply, ExecCommand *c) {
727 int r;
728
729 assert(reply);
730 assert(c);
731
732 if (!c->path)
733 return 0;
734
735 r = sd_bus_message_open_container(reply, 'r', "sasbttttuii");
736 if (r < 0)
737 return r;
738
739 r = sd_bus_message_append(reply, "s", c->path);
740 if (r < 0)
741 return r;
742
743 r = sd_bus_message_append_strv(reply, c->argv);
744 if (r < 0)
745 return r;
746
747 r = sd_bus_message_append(reply, "bttttuii",
748 c->ignore,
749 c->exec_status.start_timestamp.realtime,
750 c->exec_status.start_timestamp.monotonic,
751 c->exec_status.exit_timestamp.realtime,
752 c->exec_status.exit_timestamp.monotonic,
753 (uint32_t) c->exec_status.pid,
754 (int32_t) c->exec_status.code,
755 (int32_t) c->exec_status.status);
756 if (r < 0)
757 return r;
758
759 return sd_bus_message_close_container(reply);
760 }
761
762 int bus_property_get_exec_command(
763 sd_bus *bus,
764 const char *path,
765 const char *interface,
766 const char *property,
767 sd_bus_message *reply,
768 void *userdata,
769 sd_bus_error *ret_error) {
770
771 ExecCommand *c = (ExecCommand*) userdata;
772 int r;
773
774 assert(bus);
775 assert(reply);
776
777 r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
778 if (r < 0)
779 return r;
780
781 r = append_exec_command(reply, c);
782 if (r < 0)
783 return r;
784
785 return sd_bus_message_close_container(reply);
786 }
787
788 int bus_property_get_exec_command_list(
789 sd_bus *bus,
790 const char *path,
791 const char *interface,
792 const char *property,
793 sd_bus_message *reply,
794 void *userdata,
795 sd_bus_error *ret_error) {
796
797 ExecCommand *c = *(ExecCommand**) userdata;
798 int r;
799
800 assert(bus);
801 assert(reply);
802
803 r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
804 if (r < 0)
805 return r;
806
807 LIST_FOREACH(command, c, c) {
808 r = append_exec_command(reply, c);
809 if (r < 0)
810 return r;
811 }
812
813 return sd_bus_message_close_container(reply);
814 }
815
816 int bus_exec_context_set_transient_property(
817 Unit *u,
818 ExecContext *c,
819 const char *name,
820 sd_bus_message *message,
821 UnitSetPropertiesMode mode,
822 sd_bus_error *error) {
823
824 const char *soft = NULL;
825 int r, ri;
826
827 assert(u);
828 assert(c);
829 assert(name);
830 assert(message);
831
832 if (streq(name, "User")) {
833 const char *uu;
834
835 r = sd_bus_message_read(message, "s", &uu);
836 if (r < 0)
837 return r;
838
839 if (mode != UNIT_CHECK) {
840
841 if (isempty(uu))
842 c->user = mfree(c->user);
843 else if (free_and_strdup(&c->user, uu) < 0)
844 return -ENOMEM;
845
846 unit_write_drop_in_private_format(u, mode, name, "User=%s", uu);
847 }
848
849 return 1;
850
851 } else if (streq(name, "Group")) {
852 const char *gg;
853
854 r = sd_bus_message_read(message, "s", &gg);
855 if (r < 0)
856 return r;
857
858 if (mode != UNIT_CHECK) {
859
860 if (isempty(gg))
861 c->group = mfree(c->group);
862 else if (free_and_strdup(&c->group, gg) < 0)
863 return -ENOMEM;
864
865 unit_write_drop_in_private_format(u, mode, name, "Group=%s", gg);
866 }
867
868 return 1;
869 } else if (streq(name, "SyslogIdentifier")) {
870 const char *id;
871
872 r = sd_bus_message_read(message, "s", &id);
873 if (r < 0)
874 return r;
875
876 if (mode != UNIT_CHECK) {
877
878 if (isempty(id))
879 c->syslog_identifier = mfree(c->syslog_identifier);
880 else if (free_and_strdup(&c->syslog_identifier, id) < 0)
881 return -ENOMEM;
882
883 unit_write_drop_in_private_format(u, mode, name, "SyslogIdentifier=%s", id);
884 }
885
886 return 1;
887 } else if (streq(name, "SyslogLevel")) {
888 int level;
889
890 r = sd_bus_message_read(message, "i", &level);
891 if (r < 0)
892 return r;
893
894 if (!log_level_is_valid(level))
895 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log level value out of range");
896
897 if (mode != UNIT_CHECK) {
898 c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level;
899 unit_write_drop_in_private_format(u, mode, name, "SyslogLevel=%i", level);
900 }
901
902 return 1;
903 } else if (streq(name, "SyslogFacility")) {
904 int facility;
905
906 r = sd_bus_message_read(message, "i", &facility);
907 if (r < 0)
908 return r;
909
910 if (!log_facility_unshifted_is_valid(facility))
911 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log facility value out of range");
912
913 if (mode != UNIT_CHECK) {
914 c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority);
915 unit_write_drop_in_private_format(u, mode, name, "SyslogFacility=%i", facility);
916 }
917
918 return 1;
919 } else if (streq(name, "Nice")) {
920 int n;
921
922 r = sd_bus_message_read(message, "i", &n);
923 if (r < 0)
924 return r;
925
926 if (n < PRIO_MIN || n >= PRIO_MAX)
927 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range");
928
929 if (mode != UNIT_CHECK) {
930 c->nice = n;
931 unit_write_drop_in_private_format(u, mode, name, "Nice=%i", n);
932 }
933
934 return 1;
935
936 } else if (STR_IN_SET(name, "TTYPath", "RootDirectory")) {
937 const char *s;
938
939 r = sd_bus_message_read(message, "s", &s);
940 if (r < 0)
941 return r;
942
943 if (!path_is_absolute(s))
944 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s takes an absolute path", name);
945
946 if (mode != UNIT_CHECK) {
947 if (streq(name, "TTYPath"))
948 r = free_and_strdup(&c->tty_path, s);
949 else {
950 assert(streq(name, "RootDirectory"));
951 r = free_and_strdup(&c->root_directory, s);
952 }
953 if (r < 0)
954 return r;
955
956 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
957 }
958
959 return 1;
960
961 } else if (streq(name, "WorkingDirectory")) {
962 const char *s;
963 bool missing_ok;
964
965 r = sd_bus_message_read(message, "s", &s);
966 if (r < 0)
967 return r;
968
969 if (s[0] == '-') {
970 missing_ok = true;
971 s++;
972 } else
973 missing_ok = false;
974
975 if (!streq(s, "~") && !path_is_absolute(s))
976 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'");
977
978 if (mode != UNIT_CHECK) {
979 if (streq(s, "~")) {
980 c->working_directory = mfree(c->working_directory);
981 c->working_directory_home = true;
982 } else {
983 r = free_and_strdup(&c->working_directory, s);
984 if (r < 0)
985 return r;
986
987 c->working_directory_home = false;
988 }
989
990 c->working_directory_missing_ok = missing_ok;
991 unit_write_drop_in_private_format(u, mode, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s);
992 }
993
994 return 1;
995
996 } else if (streq(name, "StandardInput")) {
997 const char *s;
998 ExecInput p;
999
1000 r = sd_bus_message_read(message, "s", &s);
1001 if (r < 0)
1002 return r;
1003
1004 p = exec_input_from_string(s);
1005 if (p < 0)
1006 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name");
1007
1008 if (mode != UNIT_CHECK) {
1009 c->std_input = p;
1010
1011 unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s", exec_input_to_string(p));
1012 }
1013
1014 return 1;
1015
1016
1017 } else if (streq(name, "StandardOutput")) {
1018 const char *s;
1019 ExecOutput p;
1020
1021 r = sd_bus_message_read(message, "s", &s);
1022 if (r < 0)
1023 return r;
1024
1025 p = exec_output_from_string(s);
1026 if (p < 0)
1027 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name");
1028
1029 if (mode != UNIT_CHECK) {
1030 c->std_output = p;
1031
1032 unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s", exec_output_to_string(p));
1033 }
1034
1035 return 1;
1036
1037 } else if (streq(name, "StandardError")) {
1038 const char *s;
1039 ExecOutput p;
1040
1041 r = sd_bus_message_read(message, "s", &s);
1042 if (r < 0)
1043 return r;
1044
1045 p = exec_output_from_string(s);
1046 if (p < 0)
1047 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name");
1048
1049 if (mode != UNIT_CHECK) {
1050 c->std_error = p;
1051
1052 unit_write_drop_in_private_format(u, mode, name, "StandardError=%s", exec_output_to_string(p));
1053 }
1054
1055 return 1;
1056
1057 } else if (STR_IN_SET(name,
1058 "IgnoreSIGPIPE", "TTYVHangup", "TTYReset",
1059 "PrivateTmp", "PrivateDevices", "PrivateNetwork",
1060 "NoNewPrivileges", "SyslogLevelPrefix", "MemoryDenyWriteExecute")) {
1061 int b;
1062
1063 r = sd_bus_message_read(message, "b", &b);
1064 if (r < 0)
1065 return r;
1066
1067 if (mode != UNIT_CHECK) {
1068 if (streq(name, "IgnoreSIGPIPE"))
1069 c->ignore_sigpipe = b;
1070 else if (streq(name, "TTYVHangup"))
1071 c->tty_vhangup = b;
1072 else if (streq(name, "TTYReset"))
1073 c->tty_reset = b;
1074 else if (streq(name, "PrivateTmp"))
1075 c->private_tmp = b;
1076 else if (streq(name, "PrivateDevices"))
1077 c->private_devices = b;
1078 else if (streq(name, "PrivateNetwork"))
1079 c->private_network = b;
1080 else if (streq(name, "NoNewPrivileges"))
1081 c->no_new_privileges = b;
1082 else if (streq(name, "SyslogLevelPrefix"))
1083 c->syslog_level_prefix = b;
1084 else if (streq(name, "MemoryDenyWriteExecute"))
1085 c->memory_deny_write_execute = b;
1086
1087 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, yes_no(b));
1088 }
1089
1090 return 1;
1091
1092 } else if (streq(name, "UtmpIdentifier")) {
1093 const char *id;
1094
1095 r = sd_bus_message_read(message, "s", &id);
1096 if (r < 0)
1097 return r;
1098
1099 if (mode != UNIT_CHECK) {
1100 if (isempty(id))
1101 c->utmp_id = mfree(c->utmp_id);
1102 else if (free_and_strdup(&c->utmp_id, id) < 0)
1103 return -ENOMEM;
1104
1105 unit_write_drop_in_private_format(u, mode, name, "UtmpIdentifier=%s", strempty(id));
1106 }
1107
1108 return 1;
1109
1110 } else if (streq(name, "UtmpMode")) {
1111 const char *s;
1112 ExecUtmpMode m;
1113
1114 r = sd_bus_message_read(message, "s", &s);
1115 if (r < 0)
1116 return r;
1117
1118 m = exec_utmp_mode_from_string(s);
1119 if (m < 0)
1120 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid utmp mode");
1121
1122 if (mode != UNIT_CHECK) {
1123 c->utmp_mode = m;
1124
1125 unit_write_drop_in_private_format(u, mode, name, "UtmpMode=%s", exec_utmp_mode_to_string(m));
1126 }
1127
1128 return 1;
1129
1130 } else if (streq(name, "PAMName")) {
1131 const char *n;
1132
1133 r = sd_bus_message_read(message, "s", &n);
1134 if (r < 0)
1135 return r;
1136
1137 if (mode != UNIT_CHECK) {
1138 if (isempty(n))
1139 c->pam_name = mfree(c->pam_name);
1140 else if (free_and_strdup(&c->pam_name, n) < 0)
1141 return -ENOMEM;
1142
1143 unit_write_drop_in_private_format(u, mode, name, "PAMName=%s", strempty(n));
1144 }
1145
1146 return 1;
1147
1148 } else if (streq(name, "Environment")) {
1149
1150 _cleanup_strv_free_ char **l = NULL;
1151
1152 r = sd_bus_message_read_strv(message, &l);
1153 if (r < 0)
1154 return r;
1155
1156 if (!strv_env_is_valid(l))
1157 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block.");
1158
1159 if (mode != UNIT_CHECK) {
1160 _cleanup_free_ char *joined = NULL;
1161 char **e;
1162
1163 if (strv_length(l) == 0) {
1164 c->environment = strv_free(c->environment);
1165 unit_write_drop_in_private_format(u, mode, name, "Environment=");
1166 } else {
1167 e = strv_env_merge(2, c->environment, l);
1168 if (!e)
1169 return -ENOMEM;
1170
1171 strv_free(c->environment);
1172 c->environment = e;
1173
1174 joined = strv_join_quoted(c->environment);
1175 if (!joined)
1176 return -ENOMEM;
1177
1178 unit_write_drop_in_private_format(u, mode, name, "Environment=%s", joined);
1179 }
1180 }
1181
1182 return 1;
1183
1184 } else if (streq(name, "TimerSlackNSec")) {
1185
1186 nsec_t n;
1187
1188 r = sd_bus_message_read(message, "t", &n);
1189 if (r < 0)
1190 return r;
1191
1192 if (mode != UNIT_CHECK) {
1193 c->timer_slack_nsec = n;
1194 unit_write_drop_in_private_format(u, mode, name, "TimerSlackNSec=" NSEC_FMT, n);
1195 }
1196
1197 return 1;
1198
1199 } else if (streq(name, "OOMScoreAdjust")) {
1200 int oa;
1201
1202 r = sd_bus_message_read(message, "i", &oa);
1203 if (r < 0)
1204 return r;
1205
1206 if (!oom_score_adjust_is_valid(oa))
1207 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "OOM score adjust value out of range");
1208
1209 if (mode != UNIT_CHECK) {
1210 c->oom_score_adjust = oa;
1211 c->oom_score_adjust_set = true;
1212 unit_write_drop_in_private_format(u, mode, name, "OOMScoreAdjust=%i", oa);
1213 }
1214
1215 return 1;
1216
1217 } else if (streq(name, "EnvironmentFiles")) {
1218
1219 _cleanup_free_ char *joined = NULL;
1220 _cleanup_fclose_ FILE *f = NULL;
1221 _cleanup_free_ char **l = NULL;
1222 size_t size = 0;
1223 char **i;
1224
1225 r = sd_bus_message_enter_container(message, 'a', "(sb)");
1226 if (r < 0)
1227 return r;
1228
1229 f = open_memstream(&joined, &size);
1230 if (!f)
1231 return -ENOMEM;
1232
1233 STRV_FOREACH(i, c->environment_files)
1234 fprintf(f, "EnvironmentFile=%s", *i);
1235
1236 while ((r = sd_bus_message_enter_container(message, 'r', "sb")) > 0) {
1237 const char *path;
1238 int b;
1239
1240 r = sd_bus_message_read(message, "sb", &path, &b);
1241 if (r < 0)
1242 return r;
1243
1244 r = sd_bus_message_exit_container(message);
1245 if (r < 0)
1246 return r;
1247
1248 if (!isempty(path) && !path_is_absolute(path))
1249 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
1250
1251 if (mode != UNIT_CHECK) {
1252 char *buf = NULL;
1253
1254 buf = strjoin(b ? "-" : "", path, NULL);
1255 if (!buf)
1256 return -ENOMEM;
1257
1258 fprintf(f, "EnvironmentFile=%s", buf);
1259
1260 r = strv_consume(&l, buf);
1261 if (r < 0)
1262 return r;
1263 }
1264 }
1265 if (r < 0)
1266 return r;
1267
1268 r = sd_bus_message_exit_container(message);
1269 if (r < 0)
1270 return r;
1271
1272 r = fflush_and_check(f);
1273 if (r < 0)
1274 return r;
1275
1276 if (mode != UNIT_CHECK) {
1277 if (strv_isempty(l)) {
1278 c->environment_files = strv_free(c->environment_files);
1279 unit_write_drop_in_private(u, mode, name, "EnvironmentFile=");
1280 } else {
1281 r = strv_extend_strv(&c->environment_files, l, true);
1282 if (r < 0)
1283 return r;
1284
1285 unit_write_drop_in_private(u, mode, name, joined);
1286 }
1287 }
1288
1289 return 1;
1290
1291 } else if (streq(name, "PassEnvironment")) {
1292
1293 _cleanup_strv_free_ char **l = NULL;
1294
1295 r = sd_bus_message_read_strv(message, &l);
1296 if (r < 0)
1297 return r;
1298
1299 if (!strv_env_name_is_valid(l))
1300 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PassEnvironment block.");
1301
1302 if (mode != UNIT_CHECK) {
1303 if (strv_isempty(l)) {
1304 c->pass_environment = strv_free(c->pass_environment);
1305 unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=");
1306 } else {
1307 _cleanup_free_ char *joined = NULL;
1308
1309 r = strv_extend_strv(&c->pass_environment, l, true);
1310 if (r < 0)
1311 return r;
1312
1313 joined = strv_join_quoted(c->pass_environment);
1314 if (!joined)
1315 return -ENOMEM;
1316
1317 unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=%s", joined);
1318 }
1319 }
1320
1321 return 1;
1322
1323 } else if (STR_IN_SET(name, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories")) {
1324
1325 _cleanup_strv_free_ char **l = NULL;
1326 char ***dirs;
1327 char **p;
1328
1329 r = sd_bus_message_read_strv(message, &l);
1330 if (r < 0)
1331 return r;
1332
1333 STRV_FOREACH(p, l) {
1334 int offset;
1335 if (!utf8_is_valid(*p))
1336 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name);
1337
1338 offset = **p == '-';
1339 if (!path_is_absolute(*p + offset))
1340 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name);
1341 }
1342
1343 if (mode != UNIT_CHECK) {
1344 _cleanup_free_ char *joined = NULL;
1345
1346 if (streq(name, "ReadWriteDirectories"))
1347 dirs = &c->read_write_dirs;
1348 else if (streq(name, "ReadOnlyDirectories"))
1349 dirs = &c->read_only_dirs;
1350 else /* "InaccessibleDirectories" */
1351 dirs = &c->inaccessible_dirs;
1352
1353 if (strv_length(l) == 0) {
1354 *dirs = strv_free(*dirs);
1355 unit_write_drop_in_private_format(u, mode, name, "%s=", name);
1356 } else {
1357 r = strv_extend_strv(dirs, l, true);
1358
1359 if (r < 0)
1360 return -ENOMEM;
1361
1362 joined = strv_join_quoted(*dirs);
1363 if (!joined)
1364 return -ENOMEM;
1365
1366 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined);
1367 }
1368
1369 }
1370
1371 return 1;
1372
1373 } else if (streq(name, "ProtectSystem")) {
1374 const char *s;
1375 ProtectSystem ps;
1376
1377 r = sd_bus_message_read(message, "s", &s);
1378 if (r < 0)
1379 return r;
1380
1381 r = parse_boolean(s);
1382 if (r > 0)
1383 ps = PROTECT_SYSTEM_YES;
1384 else if (r == 0)
1385 ps = PROTECT_SYSTEM_NO;
1386 else {
1387 ps = protect_system_from_string(s);
1388 if (ps < 0)
1389 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect system value");
1390 }
1391
1392 if (mode != UNIT_CHECK) {
1393 c->protect_system = ps;
1394 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
1395 }
1396
1397 return 1;
1398
1399 } else if (streq(name, "ProtectHome")) {
1400 const char *s;
1401 ProtectHome ph;
1402
1403 r = sd_bus_message_read(message, "s", &s);
1404 if (r < 0)
1405 return r;
1406
1407 r = parse_boolean(s);
1408 if (r > 0)
1409 ph = PROTECT_HOME_YES;
1410 else if (r == 0)
1411 ph = PROTECT_HOME_NO;
1412 else {
1413 ph = protect_home_from_string(s);
1414 if (ph < 0)
1415 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect home value");
1416 }
1417
1418 if (mode != UNIT_CHECK) {
1419 c->protect_home = ph;
1420 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
1421 }
1422
1423 return 1;
1424
1425 } else if (streq(name, "RuntimeDirectory")) {
1426 _cleanup_strv_free_ char **l = NULL;
1427 char **p;
1428
1429 r = sd_bus_message_read_strv(message, &l);
1430 if (r < 0)
1431 return r;
1432
1433 STRV_FOREACH(p, l) {
1434 if (!filename_is_valid(*p))
1435 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Runtime directory is not valid %s", *p);
1436 }
1437
1438 if (mode != UNIT_CHECK) {
1439 _cleanup_free_ char *joined = NULL;
1440
1441 if (strv_isempty(l)) {
1442 c->runtime_directory = strv_free(c->runtime_directory);
1443 unit_write_drop_in_private_format(u, mode, name, "%s=", name);
1444 } else {
1445 r = strv_extend_strv(&c->runtime_directory, l, true);
1446
1447 if (r < 0)
1448 return -ENOMEM;
1449
1450 joined = strv_join_quoted(c->runtime_directory);
1451 if (!joined)
1452 return -ENOMEM;
1453
1454 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined);
1455 }
1456 }
1457
1458 return 1;
1459
1460 } else if (streq(name, "SELinuxContext")) {
1461 const char *s;
1462
1463 r = sd_bus_message_read(message, "s", &s);
1464 if (r < 0)
1465 return r;
1466
1467 if (mode != UNIT_CHECK) {
1468 if (isempty(s))
1469 c->selinux_context = mfree(c->selinux_context);
1470 else if (free_and_strdup(&c->selinux_context, s) < 0)
1471 return -ENOMEM;
1472
1473 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, strempty(s));
1474 }
1475
1476 return 1;
1477
1478 }
1479
1480 ri = rlimit_from_string(name);
1481 if (ri < 0) {
1482 soft = endswith(name, "Soft");
1483 if (soft) {
1484 const char *n;
1485
1486 n = strndupa(name, soft - name);
1487 ri = rlimit_from_string(n);
1488 if (ri >= 0)
1489 name = n;
1490
1491 }
1492 }
1493
1494 if (ri >= 0) {
1495 uint64_t rl;
1496 rlim_t x;
1497
1498 r = sd_bus_message_read(message, "t", &rl);
1499 if (r < 0)
1500 return r;
1501
1502 if (rl == (uint64_t) -1)
1503 x = RLIM_INFINITY;
1504 else {
1505 x = (rlim_t) rl;
1506
1507 if ((uint64_t) x != rl)
1508 return -ERANGE;
1509 }
1510
1511 if (mode != UNIT_CHECK) {
1512 _cleanup_free_ char *f = NULL;
1513 struct rlimit nl;
1514
1515 if (c->rlimit[ri]) {
1516 nl = *c->rlimit[ri];
1517
1518 if (soft)
1519 nl.rlim_cur = x;
1520 else
1521 nl.rlim_max = x;
1522 } else
1523 /* When the resource limit is not initialized yet, then assign the value to both fields */
1524 nl = (struct rlimit) {
1525 .rlim_cur = x,
1526 .rlim_max = x,
1527 };
1528
1529 r = rlimit_format(&nl, &f);
1530 if (r < 0)
1531 return r;
1532
1533 if (c->rlimit[ri])
1534 *c->rlimit[ri] = nl;
1535 else {
1536 c->rlimit[ri] = newdup(struct rlimit, &nl, 1);
1537 if (!c->rlimit[ri])
1538 return -ENOMEM;
1539 }
1540
1541 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, f);
1542 }
1543
1544 return 1;
1545 }
1546
1547 return 0;
1548 }
Unnamed repository; edit this file 'description' to name the repository.