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[systemd.git] / src / core / dbus-execute.c
CommitLineData
663996b3
MS		 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
663996b3
MS		 20#include <sys/prctl.h>
21
60f067b4
JS		 22#ifdef HAVE_SECCOMP
23#include <seccomp.h>
24#endif
25
db2df898
MP		 26#include "af-list.h"
27#include "alloc-util.h"
60f067b4 28#include "bus-util.h"
db2df898
MP		 29#include "capability-util.h"
30#include "dbus-execute.h"
60f067b4 31#include "env-util.h"
db2df898
MP		 32#include "execute.h"
33#include "fd-util.h"
34#include "fileio.h"
35#include "ioprio.h"
36#include "missing.h"
60f067b4 37#include "namespace.h"
db2df898 38#include "parse-util.h"
e735f4d4 39#include "path-util.h"
db2df898
MP		 40#include "process-util.h"
41#include "rlimit-util.h"
60f067b4
JS		 42#ifdef HAVE_SECCOMP
43#include "seccomp-util.h"
44#endif
db2df898
MP		 45#include "strv.h"
46#include "syslog-util.h"
47#include "utf8.h"
663996b3 48
60f067b4 49BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput);
663996b3 50
60f067b4 51static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput);
663996b3 52
13d276d0
MP		 53static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_utmp_mode, exec_utmp_mode, ExecUtmpMode);
54
60f067b4
JS		 55static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome);
56static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem);
663996b3 57
60f067b4
JS		 58static 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) {
663996b3 66
60f067b4
JS		 67 ExecContext *c = userdata;
68 char **j;
69 int r;
663996b3 70
60f067b4
JS		 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;
663996b3
MS		 85 }
86
60f067b4
JS		 87 return sd_bus_message_close_container(reply);
88}
663996b3 89
60f067b4
JS		 90static 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;
663996b3
MS		 101 int32_t n;
102
60f067b4
JS		 103 assert(bus);
104 assert(reply);
663996b3
MS		 105 assert(c);
106
107 if (c->oom_score_adjust_set)
108 n = c->oom_score_adjust;
109 else {
14228c0d 110 _cleanup_free_ char *t = NULL;
663996b3
MS		 111
112 n = 0;
60f067b4 113 if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0)
db2df898 114 safe_atoi32(t, &n);
663996b3
MS		 115 }
116
60f067b4 117 return sd_bus_message_append(reply, "i", n);
663996b3
MS		 118}
119
60f067b4
JS		 120static 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;
663996b3
MS		 131 int32_t n;
132
60f067b4
JS		 133 assert(bus);
134 assert(reply);
663996b3
MS		 135 assert(c);
136
137 if (c->nice_set)
138 n = c->nice;
60f067b4
JS		 139 else {
140 errno = 0;
663996b3 141 n = getpriority(PRIO_PROCESS, 0);
4c89c718 142 if (errno > 0)
60f067b4
JS		 143 n = 0;
144 }
663996b3 145
60f067b4 146 return sd_bus_message_append(reply, "i", n);
663996b3
MS		 147}
148
60f067b4
JS		 149static 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;
663996b3
MS		 160 int32_t n;
161
60f067b4
JS		 162 assert(bus);
163 assert(reply);
663996b3
MS		 164 assert(c);
165
166 if (c->ioprio_set)
167 n = c->ioprio;
60f067b4 168 else {
663996b3 169 n = ioprio_get(IOPRIO_WHO_PROCESS, 0);
60f067b4
JS		 170 if (n < 0)
171 n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4);
172 }
663996b3 173
60f067b4 174 return sd_bus_message_append(reply, "i", n);
663996b3
MS		 175}
176
60f067b4
JS		 177static 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;
663996b3
MS		 187 int32_t n;
188
60f067b4
JS		 189 assert(bus);
190 assert(reply);
663996b3
MS		 191 assert(c);
192
193 if (c->cpu_sched_set)
194 n = c->cpu_sched_policy;
60f067b4 195 else {
663996b3 196 n = sched_getscheduler(0);
60f067b4
JS		 197 if (n < 0)
198 n = SCHED_OTHER;
199 }
663996b3 200
60f067b4 201 return sd_bus_message_append(reply, "i", n);
663996b3
MS		 202}
203
60f067b4
JS		 204static 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;
663996b3
MS		 214 int32_t n;
215
60f067b4
JS		 216 assert(bus);
217 assert(reply);
663996b3
MS		 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
60f067b4 231 return sd_bus_message_append(reply, "i", n);
663996b3
MS		 232}
233
60f067b4
JS		 234static 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) {
663996b3 242
60f067b4 243 ExecContext *c = userdata;
663996b3 244
60f067b4
JS		 245 assert(bus);
246 assert(reply);
247 assert(c);
663996b3
MS		 248
249 if (c->cpuset)
60f067b4 250 return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus));
663996b3 251 else
60f067b4 252 return sd_bus_message_append_array(reply, 'y', NULL, 0);
663996b3
MS		 253}
254
60f067b4
JS		 255static 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;
663996b3
MS		 265 uint64_t u;
266
60f067b4
JS		 267 assert(bus);
268 assert(reply);
663996b3
MS		 269 assert(c);
270
5eef597e 271 if (c->timer_slack_nsec != NSEC_INFINITY)
663996b3
MS		 272 u = (uint64_t) c->timer_slack_nsec;
273 else
274 u = (uint64_t) prctl(PR_GET_TIMERSLACK);
275
60f067b4 276 return sd_bus_message_append(reply, "t", u);
663996b3
MS		 277}
278
60f067b4
JS		 279static 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) {
663996b3 287
60f067b4
JS		 288 ExecContext *c = userdata;
289
290 assert(bus);
291 assert(reply);
663996b3
MS		 292 assert(c);
293
4c89c718
MP		 294 return sd_bus_message_append(reply, "t", c->capability_bounding_set);
295}
296
297static 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);
663996b3
MS		 313}
314
aa27b158 315static int property_get_empty_string(
60f067b4
JS		 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
60f067b4
JS		 324 assert(bus);
325 assert(reply);
663996b3 326
aa27b158 327 return sd_bus_message_append(reply, "s", "");
60f067b4 328}
663996b3 329
60f067b4
JS		 330static 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;
663996b3 342
60f067b4
JS		 343#ifdef HAVE_SECCOMP
344 Iterator i;
345 void *id;
346#endif
663996b3 347
60f067b4
JS		 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);
663996b3
MS		 381}
382
60f067b4
JS		 383static 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;
663996b3 394 int r;
663996b3 395
60f067b4
JS		 396#ifdef HAVE_SECCOMP
397 Iterator i;
398 void *id;
399#endif
663996b3 400
60f067b4
JS		 401 assert(bus);
402 assert(reply);
403 assert(c);
663996b3 404
60f067b4
JS		 405#ifdef HAVE_SECCOMP
406 SET_FOREACH(id, c->syscall_archs, i) {
407 const char *name;
663996b3 408
60f067b4
JS		 409 name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1);
410 if (!name)
411 continue;
663996b3 412
60f067b4
JS		 413 r = strv_extend(&l, name);
414 if (r < 0)
415 return -ENOMEM;
663996b3 416 }
60f067b4 417#endif
663996b3 418
60f067b4
JS		 419 strv_sort(l);
420
421 r = sd_bus_message_append_strv(reply, l);
422 if (r < 0)
423 return r;
663996b3
MS		 424
425 return 0;
426}
427
60f067b4
JS		 428static 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) {
663996b3 436
60f067b4 437 ExecContext *c = userdata;
663996b3 438
60f067b4
JS		 439 assert(bus);
440 assert(reply);
441 assert(c);
663996b3 442
60f067b4
JS		 443 return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno);
444}
663996b3 445
60f067b4
JS		 446static 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) {
663996b3 454
60f067b4 455 ExecContext *c = userdata;
663996b3 456
60f067b4
JS		 457 assert(bus);
458 assert(reply);
459 assert(c);
663996b3 460
60f067b4
JS		 461 return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context);
462}
463
464static 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}
663996b3 481
f47781d8
MP		 482static 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
60f067b4
JS		 500static 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
518static 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)
663996b3
MS		 554 return -ENOMEM;
555 }
556
60f067b4 557 strv_sort(l);
663996b3 558
60f067b4
JS		 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);
663996b3
MS		 564}
565
6300502b
MP		 566static 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
db2df898
MP		 593static 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
611static 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
60f067b4
JS		 629const 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),
db2df898 633 SD_BUS_PROPERTY("PassEnvironment", "as", NULL, offsetof(ExecContext, pass_environment), SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4 634 SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 635 SD_BUS_PROPERTY("LimitCPU", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 636 SD_BUS_PROPERTY("LimitCPUSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 637 SD_BUS_PROPERTY("LimitFSIZE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 638 SD_BUS_PROPERTY("LimitFSIZESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 639 SD_BUS_PROPERTY("LimitDATA", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 640 SD_BUS_PROPERTY("LimitDATASoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 641 SD_BUS_PROPERTY("LimitSTACK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 642 SD_BUS_PROPERTY("LimitSTACKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 643 SD_BUS_PROPERTY("LimitCORE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 644 SD_BUS_PROPERTY("LimitCORESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 645 SD_BUS_PROPERTY("LimitRSS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 646 SD_BUS_PROPERTY("LimitRSSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 647 SD_BUS_PROPERTY("LimitNOFILE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 648 SD_BUS_PROPERTY("LimitNOFILESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 649 SD_BUS_PROPERTY("LimitAS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 650 SD_BUS_PROPERTY("LimitASSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 651 SD_BUS_PROPERTY("LimitNPROC", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 652 SD_BUS_PROPERTY("LimitNPROCSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 653 SD_BUS_PROPERTY("LimitMEMLOCK", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 654 SD_BUS_PROPERTY("LimitMEMLOCKSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 655 SD_BUS_PROPERTY("LimitLOCKS", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 656 SD_BUS_PROPERTY("LimitLOCKSSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 657 SD_BUS_PROPERTY("LimitSIGPENDING", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 658 SD_BUS_PROPERTY("LimitSIGPENDINGSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 659 SD_BUS_PROPERTY("LimitMSGQUEUE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 660 SD_BUS_PROPERTY("LimitMSGQUEUESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 661 SD_BUS_PROPERTY("LimitNICE", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 662 SD_BUS_PROPERTY("LimitNICESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 663 SD_BUS_PROPERTY("LimitRTPRIO", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 664 SD_BUS_PROPERTY("LimitRTPRIOSoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST),
db2df898 665 SD_BUS_PROPERTY("LimitRTTIME", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
4c89c718 666 SD_BUS_PROPERTY("LimitRTTIMESoft", "t", bus_property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST),
6300502b 667 SD_BUS_PROPERTY("WorkingDirectory", "s", property_get_working_directory, 0, SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 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),
db2df898
MP		 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),
aa27b158 690 SD_BUS_PROPERTY("Capabilities", "s", property_get_empty_string, 0, SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
60f067b4
JS		 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),
4c89c718 693 SD_BUS_PROPERTY("AmbientCapabilities", "t", property_get_ambient_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 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),
5a920b42
MP		 698 SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
699 SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
700 SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_paths), SD_BUS_VTABLE_PROPERTY_CONST|SD_BUS_VTABLE_HIDDEN),
701 SD_BUS_PROPERTY("ReadWritePaths", "as", NULL, offsetof(ExecContext, read_write_paths), SD_BUS_VTABLE_PROPERTY_CONST),
702 SD_BUS_PROPERTY("ReadOnlyPaths", "as", NULL, offsetof(ExecContext, read_only_paths), SD_BUS_VTABLE_PROPERTY_CONST),
703 SD_BUS_PROPERTY("InaccessiblePaths", "as", NULL, offsetof(ExecContext, inaccessible_paths), SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 704 SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST),
705 SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST),
706 SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST),
707 SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST),
708 SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST),
709 SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST),
710 SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST),
711 SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST),
13d276d0 712 SD_BUS_PROPERTY("UtmpMode", "s", property_get_exec_utmp_mode, offsetof(ExecContext, utmp_mode), SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 713 SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST),
714 SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST),
f47781d8 715 SD_BUS_PROPERTY("SmackProcessLabel", "(bs)", property_get_smack_process_label, 0, SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 716 SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST),
717 SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST),
718 SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST),
719 SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST),
720 SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST),
721 SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST),
722 SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST),
723 SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST),
724 SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST),
5a920b42
MP		 725 SD_BUS_PROPERTY("MemoryDenyWriteExecute", "b", bus_property_get_bool, offsetof(ExecContext, memory_deny_write_execute), SD_BUS_VTABLE_PROPERTY_CONST),
726 SD_BUS_PROPERTY("RestrictRealtime", "b", bus_property_get_bool, offsetof(ExecContext, restrict_realtime), SD_BUS_VTABLE_PROPERTY_CONST),
60f067b4
JS		 727 SD_BUS_VTABLE_END
728};
663996b3 729
60f067b4
JS		 730static int append_exec_command(sd_bus_message *reply, ExecCommand *c) {
731 int r;
732
733 assert(reply);
663996b3
MS		 734 assert(c);
735
60f067b4
JS		 736 if (!c->path)
737 return 0;
738
739 r = sd_bus_message_open_container(reply, 'r', "sasbttttuii");
740 if (r < 0)
741 return r;
742
743 r = sd_bus_message_append(reply, "s", c->path);
744 if (r < 0)
745 return r;
746
747 r = sd_bus_message_append_strv(reply, c->argv);
748 if (r < 0)
749 return r;
750
751 r = sd_bus_message_append(reply, "bttttuii",
752 c->ignore,
753 c->exec_status.start_timestamp.realtime,
754 c->exec_status.start_timestamp.monotonic,
755 c->exec_status.exit_timestamp.realtime,
756 c->exec_status.exit_timestamp.monotonic,
757 (uint32_t) c->exec_status.pid,
758 (int32_t) c->exec_status.code,
759 (int32_t) c->exec_status.status);
760 if (r < 0)
761 return r;
762
763 return sd_bus_message_close_container(reply);
764}
663996b3 765
60f067b4
JS		 766int bus_property_get_exec_command(
767 sd_bus *bus,
768 const char *path,
769 const char *interface,
770 const char *property,
771 sd_bus_message *reply,
772 void *userdata,
773 sd_bus_error *ret_error) {
663996b3 774
60f067b4
JS		 775 ExecCommand *c = (ExecCommand*) userdata;
776 int r;
663996b3 777
60f067b4
JS		 778 assert(bus);
779 assert(reply);
663996b3 780
60f067b4
JS		 781 r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
782 if (r < 0)
783 return r;
784
785 r = append_exec_command(reply, c);
786 if (r < 0)
787 return r;
788
789 return sd_bus_message_close_container(reply);
663996b3
MS		 790}
791
60f067b4
JS		 792int bus_property_get_exec_command_list(
793 sd_bus *bus,
794 const char *path,
795 const char *interface,
796 const char *property,
797 sd_bus_message *reply,
798 void *userdata,
799 sd_bus_error *ret_error) {
800
801 ExecCommand *c = *(ExecCommand**) userdata;
802 int r;
803
804 assert(bus);
805 assert(reply);
806
807 r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)");
808 if (r < 0)
809 return r;
810
811 LIST_FOREACH(command, c, c) {
812 r = append_exec_command(reply, c);
813 if (r < 0)
814 return r;
815 }
816
817 return sd_bus_message_close_container(reply);
818}
819
820int bus_exec_context_set_transient_property(
821 Unit *u,
822 ExecContext *c,
823 const char *name,
824 sd_bus_message *message,
825 UnitSetPropertiesMode mode,
826 sd_bus_error *error) {
827
4c89c718
MP		 828 const char *soft = NULL;
829 int r, ri;
60f067b4
JS		 830
831 assert(u);
832 assert(c);
833 assert(name);
834 assert(message);
835
836 if (streq(name, "User")) {
837 const char *uu;
838
839 r = sd_bus_message_read(message, "s", &uu);
840 if (r < 0)
841 return r;
842
843 if (mode != UNIT_CHECK) {
844
aa27b158 845 if (isempty(uu))
6300502b 846 c->user = mfree(c->user);
aa27b158
MP		 847 else if (free_and_strdup(&c->user, uu) < 0)
848 return -ENOMEM;
60f067b4 849
5a920b42 850 unit_write_drop_in_private_format(u, mode, name, "User=%s", uu);
60f067b4
JS		 851 }
852
853 return 1;
854
855 } else if (streq(name, "Group")) {
856 const char *gg;
857
858 r = sd_bus_message_read(message, "s", &gg);
859 if (r < 0)
860 return r;
861
862 if (mode != UNIT_CHECK) {
863
aa27b158 864 if (isempty(gg))
6300502b 865 c->group = mfree(c->group);
aa27b158
MP		 866 else if (free_and_strdup(&c->group, gg) < 0)
867 return -ENOMEM;
60f067b4 868
5a920b42 869 unit_write_drop_in_private_format(u, mode, name, "Group=%s", gg);
60f067b4
JS		 870 }
871
872 return 1;
db2df898
MP		 873 } else if (streq(name, "SyslogIdentifier")) {
874 const char *id;
875
876 r = sd_bus_message_read(message, "s", &id);
877 if (r < 0)
878 return r;
879
880 if (mode != UNIT_CHECK) {
881
aa27b158 882 if (isempty(id))
db2df898 883 c->syslog_identifier = mfree(c->syslog_identifier);
aa27b158
MP		 884 else if (free_and_strdup(&c->syslog_identifier, id) < 0)
885 return -ENOMEM;
db2df898 886
5a920b42 887 unit_write_drop_in_private_format(u, mode, name, "SyslogIdentifier=%s", id);
db2df898
MP		 888 }
889
890 return 1;
891 } else if (streq(name, "SyslogLevel")) {
892 int level;
893
894 r = sd_bus_message_read(message, "i", &level);
895 if (r < 0)
896 return r;
897
898 if (!log_level_is_valid(level))
899 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log level value out of range");
900
901 if (mode != UNIT_CHECK) {
902 c->syslog_priority = (c->syslog_priority & LOG_FACMASK) | level;
5a920b42 903 unit_write_drop_in_private_format(u, mode, name, "SyslogLevel=%i", level);
db2df898
MP		 904 }
905
906 return 1;
907 } else if (streq(name, "SyslogFacility")) {
908 int facility;
909
910 r = sd_bus_message_read(message, "i", &facility);
911 if (r < 0)
912 return r;
913
914 if (!log_facility_unshifted_is_valid(facility))
915 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Log facility value out of range");
916
917 if (mode != UNIT_CHECK) {
918 c->syslog_priority = (facility << 3) | LOG_PRI(c->syslog_priority);
5a920b42 919 unit_write_drop_in_private_format(u, mode, name, "SyslogFacility=%i", facility);
db2df898 920 }
60f067b4 921
db2df898 922 return 1;
60f067b4
JS		 923 } else if (streq(name, "Nice")) {
924 int n;
925
926 r = sd_bus_message_read(message, "i", &n);
927 if (r < 0)
928 return r;
929
930 if (n < PRIO_MIN || n >= PRIO_MAX)
931 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range");
932
933 if (mode != UNIT_CHECK) {
934 c->nice = n;
5a920b42 935 unit_write_drop_in_private_format(u, mode, name, "Nice=%i", n);
60f067b4
JS		 936 }
937
938 return 1;
939
6300502b
MP		 940 } else if (STR_IN_SET(name, "TTYPath", "RootDirectory")) {
941 const char *s;
e735f4d4 942
6300502b 943 r = sd_bus_message_read(message, "s", &s);
e735f4d4
MP		 944 if (r < 0)
945 return r;
946
6300502b
MP		 947 if (!path_is_absolute(s))
948 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "%s takes an absolute path", name);
e735f4d4
MP		 949
950 if (mode != UNIT_CHECK) {
6300502b
MP		 951 if (streq(name, "TTYPath"))
952 r = free_and_strdup(&c->tty_path, s);
953 else {
954 assert(streq(name, "RootDirectory"));
955 r = free_and_strdup(&c->root_directory, s);
956 }
957 if (r < 0)
958 return r;
959
5a920b42 960 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
6300502b
MP		 961 }
962
963 return 1;
964
965 } else if (streq(name, "WorkingDirectory")) {
966 const char *s;
967 bool missing_ok;
968
969 r = sd_bus_message_read(message, "s", &s);
970 if (r < 0)
971 return r;
972
973 if (s[0] == '-') {
974 missing_ok = true;
975 s++;
976 } else
977 missing_ok = false;
978
979 if (!streq(s, "~") && !path_is_absolute(s))
980 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "WorkingDirectory= expects an absolute path or '~'");
e735f4d4 981
6300502b
MP		 982 if (mode != UNIT_CHECK) {
983 if (streq(s, "~")) {
984 c->working_directory = mfree(c->working_directory);
985 c->working_directory_home = true;
986 } else {
987 r = free_and_strdup(&c->working_directory, s);
988 if (r < 0)
989 return r;
e735f4d4 990
6300502b
MP		 991 c->working_directory_home = false;
992 }
e735f4d4 993
6300502b
MP		 994 c->working_directory_missing_ok = missing_ok;
995 unit_write_drop_in_private_format(u, mode, name, "WorkingDirectory=%s%s", missing_ok ? "-" : "", s);
e735f4d4
MP		 996 }
997
998 return 1;
999
1000 } else if (streq(name, "StandardInput")) {
1001 const char *s;
1002 ExecInput p;
1003
1004 r = sd_bus_message_read(message, "s", &s);
1005 if (r < 0)
1006 return r;
1007
1008 p = exec_input_from_string(s);
1009 if (p < 0)
1010 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard input name");
1011
1012 if (mode != UNIT_CHECK) {
1013 c->std_input = p;
1014
5a920b42 1015 unit_write_drop_in_private_format(u, mode, name, "StandardInput=%s", exec_input_to_string(p));
e735f4d4
MP		 1016 }
1017
1018 return 1;
1019
1020
1021 } else if (streq(name, "StandardOutput")) {
1022 const char *s;
1023 ExecOutput p;
1024
1025 r = sd_bus_message_read(message, "s", &s);
1026 if (r < 0)
1027 return r;
1028
1029 p = exec_output_from_string(s);
1030 if (p < 0)
1031 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard output name");
1032
1033 if (mode != UNIT_CHECK) {
1034 c->std_output = p;
1035
5a920b42 1036 unit_write_drop_in_private_format(u, mode, name, "StandardOutput=%s", exec_output_to_string(p));
e735f4d4
MP		 1037 }
1038
1039 return 1;
1040
1041 } else if (streq(name, "StandardError")) {
1042 const char *s;
1043 ExecOutput p;
1044
1045 r = sd_bus_message_read(message, "s", &s);
1046 if (r < 0)
1047 return r;
1048
1049 p = exec_output_from_string(s);
1050 if (p < 0)
1051 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid standard error name");
1052
1053 if (mode != UNIT_CHECK) {
1054 c->std_error = p;
1055
5a920b42 1056 unit_write_drop_in_private_format(u, mode, name, "StandardError=%s", exec_output_to_string(p));
e735f4d4
MP		 1057 }
1058
1059 return 1;
1060
6300502b
MP		 1061 } else if (STR_IN_SET(name,
1062 "IgnoreSIGPIPE", "TTYVHangup", "TTYReset",
1063 "PrivateTmp", "PrivateDevices", "PrivateNetwork",
5a920b42 1064 "NoNewPrivileges", "SyslogLevelPrefix", "MemoryDenyWriteExecute", "RestrictRealtime")) {
13d276d0
MP		 1065 int b;
1066
1067 r = sd_bus_message_read(message, "b", &b);
1068 if (r < 0)
1069 return r;
1070
1071 if (mode != UNIT_CHECK) {
6300502b
MP		 1072 if (streq(name, "IgnoreSIGPIPE"))
1073 c->ignore_sigpipe = b;
1074 else if (streq(name, "TTYVHangup"))
1075 c->tty_vhangup = b;
1076 else if (streq(name, "TTYReset"))
1077 c->tty_reset = b;
1078 else if (streq(name, "PrivateTmp"))
1079 c->private_tmp = b;
1080 else if (streq(name, "PrivateDevices"))
1081 c->private_devices = b;
1082 else if (streq(name, "PrivateNetwork"))
1083 c->private_network = b;
1084 else if (streq(name, "NoNewPrivileges"))
1085 c->no_new_privileges = b;
db2df898
MP		 1086 else if (streq(name, "SyslogLevelPrefix"))
1087 c->syslog_level_prefix = b;
5a920b42
MP		 1088 else if (streq(name, "MemoryDenyWriteExecute"))
1089 c->memory_deny_write_execute = b;
1090 else if (streq(name, "RestrictRealtime"))
1091 c->restrict_realtime = b;
6300502b 1092
5a920b42 1093 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, yes_no(b));
13d276d0
MP		 1094 }
1095
1096 return 1;
1097
1098 } else if (streq(name, "UtmpIdentifier")) {
1099 const char *id;
1100
1101 r = sd_bus_message_read(message, "s", &id);
1102 if (r < 0)
1103 return r;
1104
1105 if (mode != UNIT_CHECK) {
1106 if (isempty(id))
1107 c->utmp_id = mfree(c->utmp_id);
1108 else if (free_and_strdup(&c->utmp_id, id) < 0)
1109 return -ENOMEM;
1110
5a920b42 1111 unit_write_drop_in_private_format(u, mode, name, "UtmpIdentifier=%s", strempty(id));
13d276d0
MP		 1112 }
1113
1114 return 1;
1115
1116 } else if (streq(name, "UtmpMode")) {
1117 const char *s;
1118 ExecUtmpMode m;
1119
1120 r = sd_bus_message_read(message, "s", &s);
1121 if (r < 0)
1122 return r;
1123
1124 m = exec_utmp_mode_from_string(s);
1125 if (m < 0)
1126 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid utmp mode");
1127
1128 if (mode != UNIT_CHECK) {
1129 c->utmp_mode = m;
1130
5a920b42 1131 unit_write_drop_in_private_format(u, mode, name, "UtmpMode=%s", exec_utmp_mode_to_string(m));
13d276d0
MP		 1132 }
1133
1134 return 1;
1135
1136 } else if (streq(name, "PAMName")) {
1137 const char *n;
1138
1139 r = sd_bus_message_read(message, "s", &n);
1140 if (r < 0)
1141 return r;
1142
1143 if (mode != UNIT_CHECK) {
1144 if (isempty(n))
1145 c->pam_name = mfree(c->pam_name);
1146 else if (free_and_strdup(&c->pam_name, n) < 0)
1147 return -ENOMEM;
1148
5a920b42 1149 unit_write_drop_in_private_format(u, mode, name, "PAMName=%s", strempty(n));
13d276d0
MP		 1150 }
1151
1152 return 1;
1153
60f067b4
JS		 1154 } else if (streq(name, "Environment")) {
1155
1156 _cleanup_strv_free_ char **l = NULL;
1157
1158 r = sd_bus_message_read_strv(message, &l);
1159 if (r < 0)
1160 return r;
1161
1162 if (!strv_env_is_valid(l))
1163 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block.");
1164
1165 if (mode != UNIT_CHECK) {
1166 _cleanup_free_ char *joined = NULL;
1167 char **e;
1168
db2df898
MP		 1169 if (strv_length(l) == 0) {
1170 c->environment = strv_free(c->environment);
5a920b42 1171 unit_write_drop_in_private_format(u, mode, name, "Environment=");
db2df898
MP		 1172 } else {
1173 e = strv_env_merge(2, c->environment, l);
1174 if (!e)
1175 return -ENOMEM;
60f067b4 1176
db2df898
MP		 1177 strv_free(c->environment);
1178 c->environment = e;
60f067b4 1179
db2df898
MP		 1180 joined = strv_join_quoted(c->environment);
1181 if (!joined)
1182 return -ENOMEM;
1183
5a920b42 1184 unit_write_drop_in_private_format(u, mode, name, "Environment=%s", joined);
db2df898
MP		 1185 }
1186 }
1187
1188 return 1;
1189
1190 } else if (streq(name, "TimerSlackNSec")) {
1191
1192 nsec_t n;
1193
1194 r = sd_bus_message_read(message, "t", &n);
1195 if (r < 0)
1196 return r;
1197
1198 if (mode != UNIT_CHECK) {
1199 c->timer_slack_nsec = n;
5a920b42 1200 unit_write_drop_in_private_format(u, mode, name, "TimerSlackNSec=" NSEC_FMT, n);
db2df898
MP		 1201 }
1202
1203 return 1;
1204
1205 } else if (streq(name, "OOMScoreAdjust")) {
1206 int oa;
1207
1208 r = sd_bus_message_read(message, "i", &oa);
1209 if (r < 0)
1210 return r;
1211
1212 if (!oom_score_adjust_is_valid(oa))
1213 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "OOM score adjust value out of range");
1214
1215 if (mode != UNIT_CHECK) {
1216 c->oom_score_adjust = oa;
1217 c->oom_score_adjust_set = true;
5a920b42 1218 unit_write_drop_in_private_format(u, mode, name, "OOMScoreAdjust=%i", oa);
db2df898
MP		 1219 }
1220
1221 return 1;
1222
1223 } else if (streq(name, "EnvironmentFiles")) {
1224
1225 _cleanup_free_ char *joined = NULL;
1226 _cleanup_fclose_ FILE *f = NULL;
1227 _cleanup_free_ char **l = NULL;
1228 size_t size = 0;
1229 char **i;
60f067b4 1230
db2df898
MP		 1231 r = sd_bus_message_enter_container(message, 'a', "(sb)");
1232 if (r < 0)
1233 return r;
1234
1235 f = open_memstream(&joined, &size);
1236 if (!f)
1237 return -ENOMEM;
1238
1239 STRV_FOREACH(i, c->environment_files)
5a920b42 1240 fprintf(f, "EnvironmentFile=%s", *i);
db2df898
MP		 1241
1242 while ((r = sd_bus_message_enter_container(message, 'r', "sb")) > 0) {
1243 const char *path;
1244 int b;
1245
1246 r = sd_bus_message_read(message, "sb", &path, &b);
1247 if (r < 0)
1248 return r;
1249
1250 r = sd_bus_message_exit_container(message);
1251 if (r < 0)
1252 return r;
1253
1254 if (!isempty(path) && !path_is_absolute(path))
1255 return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
1256
1257 if (mode != UNIT_CHECK) {
1258 char *buf = NULL;
1259
1260 buf = strjoin(b ? "-" : "", path, NULL);
1261 if (!buf)
1262 return -ENOMEM;
1263
5a920b42 1264 fprintf(f, "EnvironmentFile=%s", buf);
db2df898
MP		 1265
1266 r = strv_consume(&l, buf);
1267 if (r < 0)
1268 return r;
1269 }
1270 }
1271 if (r < 0)
1272 return r;
1273
1274 r = sd_bus_message_exit_container(message);
1275 if (r < 0)
1276 return r;
1277
1278 r = fflush_and_check(f);
1279 if (r < 0)
1280 return r;
1281
1282 if (mode != UNIT_CHECK) {
1283 if (strv_isempty(l)) {
1284 c->environment_files = strv_free(c->environment_files);
5a920b42 1285 unit_write_drop_in_private(u, mode, name, "EnvironmentFile=");
db2df898
MP		 1286 } else {
1287 r = strv_extend_strv(&c->environment_files, l, true);
1288 if (r < 0)
1289 return r;
1290
1291 unit_write_drop_in_private(u, mode, name, joined);
1292 }
1293 }
1294
1295 return 1;
1296
1297 } else if (streq(name, "PassEnvironment")) {
1298
1299 _cleanup_strv_free_ char **l = NULL;
1300
1301 r = sd_bus_message_read_strv(message, &l);
1302 if (r < 0)
1303 return r;
1304
1305 if (!strv_env_name_is_valid(l))
1306 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid PassEnvironment block.");
1307
1308 if (mode != UNIT_CHECK) {
1309 if (strv_isempty(l)) {
1310 c->pass_environment = strv_free(c->pass_environment);
5a920b42 1311 unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=");
db2df898
MP		 1312 } else {
1313 _cleanup_free_ char *joined = NULL;
1314
1315 r = strv_extend_strv(&c->pass_environment, l, true);
1316 if (r < 0)
1317 return r;
1318
1319 joined = strv_join_quoted(c->pass_environment);
1320 if (!joined)
1321 return -ENOMEM;
1322
5a920b42 1323 unit_write_drop_in_private_format(u, mode, name, "PassEnvironment=%s", joined);
db2df898
MP		 1324 }
1325 }
1326
1327 return 1;
1328
5a920b42
MP		 1329 } else if (STR_IN_SET(name, "ReadWriteDirectories", "ReadOnlyDirectories", "InaccessibleDirectories",
1330 "ReadWritePaths", "ReadOnlyPaths", "InaccessiblePaths")) {
db2df898
MP		 1331 _cleanup_strv_free_ char **l = NULL;
1332 char ***dirs;
1333 char **p;
1334
1335 r = sd_bus_message_read_strv(message, &l);
1336 if (r < 0)
1337 return r;
1338
1339 STRV_FOREACH(p, l) {
1340 int offset;
1341 if (!utf8_is_valid(*p))
1342 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name);
1343
1344 offset = **p == '-';
1345 if (!path_is_absolute(*p + offset))
1346 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid %s", name);
1347 }
1348
1349 if (mode != UNIT_CHECK) {
1350 _cleanup_free_ char *joined = NULL;
1351
5a920b42
MP		 1352 if (STR_IN_SET(name, "ReadWriteDirectories", "ReadWritePaths"))
1353 dirs = &c->read_write_paths;
1354 else if (STR_IN_SET(name, "ReadOnlyDirectories", "ReadOnlyPaths"))
1355 dirs = &c->read_only_paths;
1356 else /* "InaccessiblePaths" */
1357 dirs = &c->inaccessible_paths;
db2df898
MP		 1358
1359 if (strv_length(l) == 0) {
1360 *dirs = strv_free(*dirs);
5a920b42 1361 unit_write_drop_in_private_format(u, mode, name, "%s=", name);
db2df898
MP		 1362 } else {
1363 r = strv_extend_strv(dirs, l, true);
1364
1365 if (r < 0)
1366 return -ENOMEM;
1367
1368 joined = strv_join_quoted(*dirs);
1369 if (!joined)
1370 return -ENOMEM;
1371
5a920b42 1372 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined);
db2df898
MP		 1373 }
1374
1375 }
1376
1377 return 1;
1378
1379 } else if (streq(name, "ProtectSystem")) {
1380 const char *s;
1381 ProtectSystem ps;
1382
1383 r = sd_bus_message_read(message, "s", &s);
1384 if (r < 0)
1385 return r;
1386
1387 r = parse_boolean(s);
1388 if (r > 0)
1389 ps = PROTECT_SYSTEM_YES;
1390 else if (r == 0)
1391 ps = PROTECT_SYSTEM_NO;
1392 else {
1393 ps = protect_system_from_string(s);
1394 if (ps < 0)
1395 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect system value");
1396 }
1397
1398 if (mode != UNIT_CHECK) {
1399 c->protect_system = ps;
5a920b42 1400 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
db2df898
MP		 1401 }
1402
1403 return 1;
1404
1405 } else if (streq(name, "ProtectHome")) {
1406 const char *s;
1407 ProtectHome ph;
1408
1409 r = sd_bus_message_read(message, "s", &s);
1410 if (r < 0)
1411 return r;
1412
1413 r = parse_boolean(s);
1414 if (r > 0)
1415 ph = PROTECT_HOME_YES;
1416 else if (r == 0)
1417 ph = PROTECT_HOME_NO;
1418 else {
1419 ph = protect_home_from_string(s);
1420 if (ph < 0)
1421 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Failed to parse protect home value");
1422 }
1423
1424 if (mode != UNIT_CHECK) {
1425 c->protect_home = ph;
5a920b42 1426 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, s);
db2df898
MP		 1427 }
1428
1429 return 1;
1430
1431 } else if (streq(name, "RuntimeDirectory")) {
1432 _cleanup_strv_free_ char **l = NULL;
1433 char **p;
1434
1435 r = sd_bus_message_read_strv(message, &l);
1436 if (r < 0)
1437 return r;
1438
1439 STRV_FOREACH(p, l) {
1440 if (!filename_is_valid(*p))
1441 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Runtime directory is not valid %s", *p);
1442 }
1443
1444 if (mode != UNIT_CHECK) {
1445 _cleanup_free_ char *joined = NULL;
1446
1447 if (strv_isempty(l)) {
1448 c->runtime_directory = strv_free(c->runtime_directory);
5a920b42 1449 unit_write_drop_in_private_format(u, mode, name, "%s=", name);
db2df898
MP		 1450 } else {
1451 r = strv_extend_strv(&c->runtime_directory, l, true);
1452
1453 if (r < 0)
1454 return -ENOMEM;
1455
1456 joined = strv_join_quoted(c->runtime_directory);
1457 if (!joined)
1458 return -ENOMEM;
1459
5a920b42 1460 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, joined);
db2df898 1461 }
60f067b4
JS		 1462 }
1463
1464 return 1;
1465
aa27b158
MP		 1466 } else if (streq(name, "SELinuxContext")) {
1467 const char *s;
1468
1469 r = sd_bus_message_read(message, "s", &s);
1470 if (r < 0)
1471 return r;
1472
1473 if (mode != UNIT_CHECK) {
1474 if (isempty(s))
1475 c->selinux_context = mfree(c->selinux_context);
1476 else if (free_and_strdup(&c->selinux_context, s) < 0)
1477 return -ENOMEM;
1478
5a920b42 1479 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, strempty(s));
aa27b158
MP		 1480 }
1481
1482 return 1;
1483
4c89c718
MP		 1484 }
1485
1486 ri = rlimit_from_string(name);
1487 if (ri < 0) {
1488 soft = endswith(name, "Soft");
1489 if (soft) {
1490 const char *n;
1491
1492 n = strndupa(name, soft - name);
1493 ri = rlimit_from_string(n);
1494 if (ri >= 0)
1495 name = n;
1496
1497 }
1498 }
1499
1500 if (ri >= 0) {
60f067b4
JS		 1501 uint64_t rl;
1502 rlim_t x;
1503
1504 r = sd_bus_message_read(message, "t", &rl);
1505 if (r < 0)
1506 return r;
1507
1508 if (rl == (uint64_t) -1)
1509 x = RLIM_INFINITY;
1510 else {
1511 x = (rlim_t) rl;
1512
1513 if ((uint64_t) x != rl)
1514 return -ERANGE;
1515 }
1516
1517 if (mode != UNIT_CHECK) {
4c89c718
MP		 1518 _cleanup_free_ char *f = NULL;
1519 struct rlimit nl;
1520
1521 if (c->rlimit[ri]) {
1522 nl = *c->rlimit[ri];
1523
1524 if (soft)
1525 nl.rlim_cur = x;
1526 else
1527 nl.rlim_max = x;
1528 } else
1529 /* When the resource limit is not initialized yet, then assign the value to both fields */
1530 nl = (struct rlimit) {
1531 .rlim_cur = x,
1532 .rlim_max = x,
1533 };
1534
1535 r = rlimit_format(&nl, &f);
1536 if (r < 0)
1537 return r;
60f067b4 1538
4c89c718
MP		 1539 if (c->rlimit[ri])
1540 *c->rlimit[ri] = nl;
1541 else {
1542 c->rlimit[ri] = newdup(struct rlimit, &nl, 1);
1543 if (!c->rlimit[ri])
60f067b4
JS		 1544 return -ENOMEM;
1545 }
1546
5a920b42 1547 unit_write_drop_in_private_format(u, mode, name, "%s=%s", name, f);
60f067b4
JS		 1548 }
1549
1550 return 1;
1551 }
1552
1553 return 0;
1554}
systemd for Proxmox projects