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663996b3 MS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
663996b3 MS |
22 | #include <sys/prctl.h> |
23 | ||
60f067b4 JS |
24 | #ifdef HAVE_SECCOMP |
25 | #include <seccomp.h> | |
26 | #endif | |
27 | ||
28 | #include "bus-util.h" | |
663996b3 MS |
29 | #include "missing.h" |
30 | #include "ioprio.h" | |
31 | #include "strv.h" | |
663996b3 | 32 | #include "fileio.h" |
60f067b4 JS |
33 | #include "execute.h" |
34 | #include "dbus-execute.h" | |
35 | #include "capability.h" | |
36 | #include "env-util.h" | |
37 | #include "af-list.h" | |
38 | #include "namespace.h" | |
663996b3 | 39 | |
60f067b4 JS |
40 | #ifdef HAVE_SECCOMP |
41 | #include "seccomp-util.h" | |
42 | #endif | |
663996b3 | 43 | |
60f067b4 | 44 | BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput); |
663996b3 | 45 | |
60f067b4 | 46 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput); |
663996b3 | 47 | |
60f067b4 JS |
48 | static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_home, protect_home, ProtectHome); |
49 | static BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_protect_system, protect_system, ProtectSystem); | |
663996b3 | 50 | |
60f067b4 JS |
51 | static int property_get_environment_files( |
52 | sd_bus *bus, | |
53 | const char *path, | |
54 | const char *interface, | |
55 | const char *property, | |
56 | sd_bus_message *reply, | |
57 | void *userdata, | |
58 | sd_bus_error *error) { | |
663996b3 | 59 | |
60f067b4 JS |
60 | ExecContext *c = userdata; |
61 | char **j; | |
62 | int r; | |
663996b3 | 63 | |
60f067b4 JS |
64 | assert(bus); |
65 | assert(reply); | |
66 | assert(c); | |
67 | ||
68 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); | |
69 | if (r < 0) | |
70 | return r; | |
71 | ||
72 | STRV_FOREACH(j, c->environment_files) { | |
73 | const char *fn = *j; | |
74 | ||
75 | r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-'); | |
76 | if (r < 0) | |
77 | return r; | |
663996b3 MS |
78 | } |
79 | ||
60f067b4 JS |
80 | return sd_bus_message_close_container(reply); |
81 | } | |
663996b3 | 82 | |
60f067b4 JS |
83 | static int property_get_rlimit( |
84 | sd_bus *bus, | |
85 | const char *path, | |
86 | const char *interface, | |
87 | const char *property, | |
88 | sd_bus_message *reply, | |
89 | void *userdata, | |
90 | sd_bus_error *error) { | |
91 | ||
92 | struct rlimit *rl; | |
93 | uint64_t u; | |
94 | rlim_t x; | |
95 | ||
96 | assert(bus); | |
97 | assert(reply); | |
98 | assert(userdata); | |
99 | ||
100 | rl = *(struct rlimit**) userdata; | |
101 | if (rl) | |
102 | x = rl->rlim_max; | |
103 | else { | |
104 | struct rlimit buf = {}; | |
105 | int z; | |
106 | ||
107 | z = rlimit_from_string(property); | |
108 | assert(z >= 0); | |
109 | ||
110 | getrlimit(z, &buf); | |
111 | x = buf.rlim_max; | |
112 | } | |
113 | ||
114 | /* rlim_t might have different sizes, let's map | |
115 | * RLIMIT_INFINITY to (uint64_t) -1, so that it is the same on | |
116 | * all archs */ | |
117 | u = x == RLIM_INFINITY ? (uint64_t) -1 : (uint64_t) x; | |
118 | ||
119 | return sd_bus_message_append(reply, "t", u); | |
663996b3 MS |
120 | } |
121 | ||
60f067b4 JS |
122 | static int property_get_oom_score_adjust( |
123 | sd_bus *bus, | |
124 | const char *path, | |
125 | const char *interface, | |
126 | const char *property, | |
127 | sd_bus_message *reply, | |
128 | void *userdata, | |
129 | sd_bus_error *error) { | |
130 | ||
131 | ||
132 | ExecContext *c = userdata; | |
663996b3 MS |
133 | int32_t n; |
134 | ||
60f067b4 JS |
135 | assert(bus); |
136 | assert(reply); | |
663996b3 MS |
137 | assert(c); |
138 | ||
139 | if (c->oom_score_adjust_set) | |
140 | n = c->oom_score_adjust; | |
141 | else { | |
14228c0d | 142 | _cleanup_free_ char *t = NULL; |
663996b3 MS |
143 | |
144 | n = 0; | |
60f067b4 | 145 | if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) |
663996b3 | 146 | safe_atoi(t, &n); |
663996b3 MS |
147 | } |
148 | ||
60f067b4 | 149 | return sd_bus_message_append(reply, "i", n); |
663996b3 MS |
150 | } |
151 | ||
60f067b4 JS |
152 | static int property_get_nice( |
153 | sd_bus *bus, | |
154 | const char *path, | |
155 | const char *interface, | |
156 | const char *property, | |
157 | sd_bus_message *reply, | |
158 | void *userdata, | |
159 | sd_bus_error *error) { | |
160 | ||
161 | ||
162 | ExecContext *c = userdata; | |
663996b3 MS |
163 | int32_t n; |
164 | ||
60f067b4 JS |
165 | assert(bus); |
166 | assert(reply); | |
663996b3 MS |
167 | assert(c); |
168 | ||
169 | if (c->nice_set) | |
170 | n = c->nice; | |
60f067b4 JS |
171 | else { |
172 | errno = 0; | |
663996b3 | 173 | n = getpriority(PRIO_PROCESS, 0); |
60f067b4 JS |
174 | if (errno != 0) |
175 | n = 0; | |
176 | } | |
663996b3 | 177 | |
60f067b4 | 178 | return sd_bus_message_append(reply, "i", n); |
663996b3 MS |
179 | } |
180 | ||
60f067b4 JS |
181 | static int property_get_ioprio( |
182 | sd_bus *bus, | |
183 | const char *path, | |
184 | const char *interface, | |
185 | const char *property, | |
186 | sd_bus_message *reply, | |
187 | void *userdata, | |
188 | sd_bus_error *error) { | |
189 | ||
190 | ||
191 | ExecContext *c = userdata; | |
663996b3 MS |
192 | int32_t n; |
193 | ||
60f067b4 JS |
194 | assert(bus); |
195 | assert(reply); | |
663996b3 MS |
196 | assert(c); |
197 | ||
198 | if (c->ioprio_set) | |
199 | n = c->ioprio; | |
60f067b4 | 200 | else { |
663996b3 | 201 | n = ioprio_get(IOPRIO_WHO_PROCESS, 0); |
60f067b4 JS |
202 | if (n < 0) |
203 | n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4); | |
204 | } | |
663996b3 | 205 | |
60f067b4 | 206 | return sd_bus_message_append(reply, "i", n); |
663996b3 MS |
207 | } |
208 | ||
60f067b4 JS |
209 | static int property_get_cpu_sched_policy( |
210 | sd_bus *bus, | |
211 | const char *path, | |
212 | const char *interface, | |
213 | const char *property, | |
214 | sd_bus_message *reply, | |
215 | void *userdata, | |
216 | sd_bus_error *error) { | |
217 | ||
218 | ExecContext *c = userdata; | |
663996b3 MS |
219 | int32_t n; |
220 | ||
60f067b4 JS |
221 | assert(bus); |
222 | assert(reply); | |
663996b3 MS |
223 | assert(c); |
224 | ||
225 | if (c->cpu_sched_set) | |
226 | n = c->cpu_sched_policy; | |
60f067b4 | 227 | else { |
663996b3 | 228 | n = sched_getscheduler(0); |
60f067b4 JS |
229 | if (n < 0) |
230 | n = SCHED_OTHER; | |
231 | } | |
663996b3 | 232 | |
60f067b4 | 233 | return sd_bus_message_append(reply, "i", n); |
663996b3 MS |
234 | } |
235 | ||
60f067b4 JS |
236 | static int property_get_cpu_sched_priority( |
237 | sd_bus *bus, | |
238 | const char *path, | |
239 | const char *interface, | |
240 | const char *property, | |
241 | sd_bus_message *reply, | |
242 | void *userdata, | |
243 | sd_bus_error *error) { | |
244 | ||
245 | ExecContext *c = userdata; | |
663996b3 MS |
246 | int32_t n; |
247 | ||
60f067b4 JS |
248 | assert(bus); |
249 | assert(reply); | |
663996b3 MS |
250 | assert(c); |
251 | ||
252 | if (c->cpu_sched_set) | |
253 | n = c->cpu_sched_priority; | |
254 | else { | |
255 | struct sched_param p = {}; | |
256 | ||
257 | if (sched_getparam(0, &p) >= 0) | |
258 | n = p.sched_priority; | |
259 | else | |
260 | n = 0; | |
261 | } | |
262 | ||
60f067b4 | 263 | return sd_bus_message_append(reply, "i", n); |
663996b3 MS |
264 | } |
265 | ||
60f067b4 JS |
266 | static int property_get_cpu_affinity( |
267 | sd_bus *bus, | |
268 | const char *path, | |
269 | const char *interface, | |
270 | const char *property, | |
271 | sd_bus_message *reply, | |
272 | void *userdata, | |
273 | sd_bus_error *error) { | |
663996b3 | 274 | |
60f067b4 | 275 | ExecContext *c = userdata; |
663996b3 | 276 | |
60f067b4 JS |
277 | assert(bus); |
278 | assert(reply); | |
279 | assert(c); | |
663996b3 MS |
280 | |
281 | if (c->cpuset) | |
60f067b4 | 282 | return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus)); |
663996b3 | 283 | else |
60f067b4 | 284 | return sd_bus_message_append_array(reply, 'y', NULL, 0); |
663996b3 MS |
285 | } |
286 | ||
60f067b4 JS |
287 | static int property_get_timer_slack_nsec( |
288 | sd_bus *bus, | |
289 | const char *path, | |
290 | const char *interface, | |
291 | const char *property, | |
292 | sd_bus_message *reply, | |
293 | void *userdata, | |
294 | sd_bus_error *error) { | |
295 | ||
296 | ExecContext *c = userdata; | |
663996b3 MS |
297 | uint64_t u; |
298 | ||
60f067b4 JS |
299 | assert(bus); |
300 | assert(reply); | |
663996b3 MS |
301 | assert(c); |
302 | ||
303 | if (c->timer_slack_nsec != (nsec_t) -1) | |
304 | u = (uint64_t) c->timer_slack_nsec; | |
305 | else | |
306 | u = (uint64_t) prctl(PR_GET_TIMERSLACK); | |
307 | ||
60f067b4 | 308 | return sd_bus_message_append(reply, "t", u); |
663996b3 MS |
309 | } |
310 | ||
60f067b4 JS |
311 | static int property_get_capability_bounding_set( |
312 | sd_bus *bus, | |
313 | const char *path, | |
314 | const char *interface, | |
315 | const char *property, | |
316 | sd_bus_message *reply, | |
317 | void *userdata, | |
318 | sd_bus_error *error) { | |
663996b3 | 319 | |
60f067b4 JS |
320 | ExecContext *c = userdata; |
321 | ||
322 | assert(bus); | |
323 | assert(reply); | |
663996b3 MS |
324 | assert(c); |
325 | ||
326 | /* We store this negated internally, to match the kernel, but | |
327 | * we expose it normalized. */ | |
60f067b4 | 328 | return sd_bus_message_append(reply, "t", ~c->capability_bounding_set_drop); |
663996b3 MS |
329 | } |
330 | ||
60f067b4 JS |
331 | static int property_get_capabilities( |
332 | sd_bus *bus, | |
333 | const char *path, | |
334 | const char *interface, | |
335 | const char *property, | |
336 | sd_bus_message *reply, | |
337 | void *userdata, | |
338 | sd_bus_error *error) { | |
339 | ||
340 | ExecContext *c = userdata; | |
341 | _cleanup_cap_free_charp_ char *t = NULL; | |
663996b3 | 342 | const char *s; |
663996b3 | 343 | |
60f067b4 JS |
344 | assert(bus); |
345 | assert(reply); | |
663996b3 MS |
346 | assert(c); |
347 | ||
348 | if (c->capabilities) | |
349 | s = t = cap_to_text(c->capabilities, NULL); | |
350 | else | |
351 | s = ""; | |
352 | ||
353 | if (!s) | |
354 | return -ENOMEM; | |
355 | ||
60f067b4 JS |
356 | return sd_bus_message_append(reply, "s", s); |
357 | } | |
663996b3 | 358 | |
60f067b4 JS |
359 | static int property_get_syscall_filter( |
360 | sd_bus *bus, | |
361 | const char *path, | |
362 | const char *interface, | |
363 | const char *property, | |
364 | sd_bus_message *reply, | |
365 | void *userdata, | |
366 | sd_bus_error *error) { | |
367 | ||
368 | ExecContext *c = userdata; | |
369 | _cleanup_strv_free_ char **l = NULL; | |
370 | int r; | |
663996b3 | 371 | |
60f067b4 JS |
372 | #ifdef HAVE_SECCOMP |
373 | Iterator i; | |
374 | void *id; | |
375 | #endif | |
663996b3 | 376 | |
60f067b4 JS |
377 | assert(bus); |
378 | assert(reply); | |
379 | assert(c); | |
380 | ||
381 | r = sd_bus_message_open_container(reply, 'r', "bas"); | |
382 | if (r < 0) | |
383 | return r; | |
384 | ||
385 | r = sd_bus_message_append(reply, "b", c->syscall_whitelist); | |
386 | if (r < 0) | |
387 | return r; | |
388 | ||
389 | #ifdef HAVE_SECCOMP | |
390 | SET_FOREACH(id, c->syscall_filter, i) { | |
391 | char *name; | |
392 | ||
393 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); | |
394 | if (!name) | |
395 | continue; | |
396 | ||
397 | r = strv_consume(&l, name); | |
398 | if (r < 0) | |
399 | return r; | |
400 | } | |
401 | #endif | |
402 | ||
403 | strv_sort(l); | |
404 | ||
405 | r = sd_bus_message_append_strv(reply, l); | |
406 | if (r < 0) | |
407 | return r; | |
408 | ||
409 | return sd_bus_message_close_container(reply); | |
663996b3 MS |
410 | } |
411 | ||
60f067b4 JS |
412 | static int property_get_syscall_archs( |
413 | sd_bus *bus, | |
414 | const char *path, | |
415 | const char *interface, | |
416 | const char *property, | |
417 | sd_bus_message *reply, | |
418 | void *userdata, | |
419 | sd_bus_error *error) { | |
420 | ||
421 | ExecContext *c = userdata; | |
422 | _cleanup_strv_free_ char **l = NULL; | |
663996b3 | 423 | int r; |
663996b3 | 424 | |
60f067b4 JS |
425 | #ifdef HAVE_SECCOMP |
426 | Iterator i; | |
427 | void *id; | |
428 | #endif | |
663996b3 | 429 | |
60f067b4 JS |
430 | assert(bus); |
431 | assert(reply); | |
432 | assert(c); | |
663996b3 | 433 | |
60f067b4 JS |
434 | #ifdef HAVE_SECCOMP |
435 | SET_FOREACH(id, c->syscall_archs, i) { | |
436 | const char *name; | |
663996b3 | 437 | |
60f067b4 JS |
438 | name = seccomp_arch_to_string(PTR_TO_UINT32(id) - 1); |
439 | if (!name) | |
440 | continue; | |
663996b3 | 441 | |
60f067b4 JS |
442 | r = strv_extend(&l, name); |
443 | if (r < 0) | |
444 | return -ENOMEM; | |
663996b3 | 445 | } |
60f067b4 | 446 | #endif |
663996b3 | 447 | |
60f067b4 JS |
448 | strv_sort(l); |
449 | ||
450 | r = sd_bus_message_append_strv(reply, l); | |
451 | if (r < 0) | |
452 | return r; | |
663996b3 MS |
453 | |
454 | return 0; | |
455 | } | |
456 | ||
60f067b4 JS |
457 | static int property_get_syscall_errno( |
458 | sd_bus *bus, | |
459 | const char *path, | |
460 | const char *interface, | |
461 | const char *property, | |
462 | sd_bus_message *reply, | |
463 | void *userdata, | |
464 | sd_bus_error *error) { | |
663996b3 | 465 | |
60f067b4 | 466 | ExecContext *c = userdata; |
663996b3 | 467 | |
60f067b4 JS |
468 | assert(bus); |
469 | assert(reply); | |
470 | assert(c); | |
663996b3 | 471 | |
60f067b4 JS |
472 | return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno); |
473 | } | |
663996b3 | 474 | |
60f067b4 JS |
475 | static int property_get_selinux_context( |
476 | sd_bus *bus, | |
477 | const char *path, | |
478 | const char *interface, | |
479 | const char *property, | |
480 | sd_bus_message *reply, | |
481 | void *userdata, | |
482 | sd_bus_error *error) { | |
663996b3 | 483 | |
60f067b4 | 484 | ExecContext *c = userdata; |
663996b3 | 485 | |
60f067b4 JS |
486 | assert(bus); |
487 | assert(reply); | |
488 | assert(c); | |
663996b3 | 489 | |
60f067b4 JS |
490 | return sd_bus_message_append(reply, "(bs)", c->selinux_context_ignore, c->selinux_context); |
491 | } | |
492 | ||
493 | static int property_get_apparmor_profile( | |
494 | sd_bus *bus, | |
495 | const char *path, | |
496 | const char *interface, | |
497 | const char *property, | |
498 | sd_bus_message *reply, | |
499 | void *userdata, | |
500 | sd_bus_error *error) { | |
501 | ||
502 | ExecContext *c = userdata; | |
503 | ||
504 | assert(bus); | |
505 | assert(reply); | |
506 | assert(c); | |
507 | ||
508 | return sd_bus_message_append(reply, "(bs)", c->apparmor_profile_ignore, c->apparmor_profile); | |
509 | } | |
663996b3 | 510 | |
60f067b4 JS |
511 | static int property_get_personality( |
512 | sd_bus *bus, | |
513 | const char *path, | |
514 | const char *interface, | |
515 | const char *property, | |
516 | sd_bus_message *reply, | |
517 | void *userdata, | |
518 | sd_bus_error *error) { | |
519 | ||
520 | ExecContext *c = userdata; | |
521 | ||
522 | assert(bus); | |
523 | assert(reply); | |
524 | assert(c); | |
525 | ||
526 | return sd_bus_message_append(reply, "s", personality_to_string(c->personality)); | |
527 | } | |
528 | ||
529 | static int property_get_address_families( | |
530 | sd_bus *bus, | |
531 | const char *path, | |
532 | const char *interface, | |
533 | const char *property, | |
534 | sd_bus_message *reply, | |
535 | void *userdata, | |
536 | sd_bus_error *error) { | |
537 | ||
538 | ExecContext *c = userdata; | |
539 | _cleanup_strv_free_ char **l = NULL; | |
540 | Iterator i; | |
541 | void *af; | |
542 | int r; | |
543 | ||
544 | assert(bus); | |
545 | assert(reply); | |
546 | assert(c); | |
547 | ||
548 | r = sd_bus_message_open_container(reply, 'r', "bas"); | |
549 | if (r < 0) | |
550 | return r; | |
551 | ||
552 | r = sd_bus_message_append(reply, "b", c->address_families_whitelist); | |
553 | if (r < 0) | |
554 | return r; | |
555 | ||
556 | SET_FOREACH(af, c->address_families, i) { | |
557 | const char *name; | |
558 | ||
559 | name = af_to_name(PTR_TO_INT(af)); | |
560 | if (!name) | |
561 | continue; | |
562 | ||
563 | r = strv_extend(&l, name); | |
564 | if (r < 0) | |
663996b3 MS |
565 | return -ENOMEM; |
566 | } | |
567 | ||
60f067b4 | 568 | strv_sort(l); |
663996b3 | 569 | |
60f067b4 JS |
570 | r = sd_bus_message_append_strv(reply, l); |
571 | if (r < 0) | |
572 | return r; | |
573 | ||
574 | return sd_bus_message_close_container(reply); | |
663996b3 MS |
575 | } |
576 | ||
60f067b4 JS |
577 | const sd_bus_vtable bus_exec_vtable[] = { |
578 | SD_BUS_VTABLE_START(0), | |
579 | SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST), | |
580 | SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
581 | SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST), | |
582 | SD_BUS_PROPERTY("LimitCPU", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), | |
583 | SD_BUS_PROPERTY("LimitFSIZE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
584 | SD_BUS_PROPERTY("LimitDATA", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), | |
585 | SD_BUS_PROPERTY("LimitSTACK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
586 | SD_BUS_PROPERTY("LimitCORE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
587 | SD_BUS_PROPERTY("LimitRSS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
588 | SD_BUS_PROPERTY("LimitNOFILE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
589 | SD_BUS_PROPERTY("LimitAS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
590 | SD_BUS_PROPERTY("LimitNPROC", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), | |
591 | SD_BUS_PROPERTY("LimitMEMLOCK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
592 | SD_BUS_PROPERTY("LimitLOCKS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
593 | SD_BUS_PROPERTY("LimitSIGPENDING", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), | |
594 | SD_BUS_PROPERTY("LimitMSGQUEUE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
595 | SD_BUS_PROPERTY("LimitNICE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
596 | SD_BUS_PROPERTY("LimitRTPRIO", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
597 | SD_BUS_PROPERTY("LimitRTTIME", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), | |
598 | SD_BUS_PROPERTY("WorkingDirectory", "s", NULL, offsetof(ExecContext, working_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
599 | SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
600 | SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
601 | SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
602 | SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
603 | SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
604 | SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
605 | SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
606 | SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
607 | SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST), | |
608 | SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST), | |
609 | SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST), | |
610 | SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output, offsetof(ExecContext, std_output), SD_BUS_VTABLE_PROPERTY_CONST), | |
611 | SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output, offsetof(ExecContext, std_error), SD_BUS_VTABLE_PROPERTY_CONST), | |
612 | SD_BUS_PROPERTY("TTYPath", "s", NULL, offsetof(ExecContext, tty_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
613 | SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool, offsetof(ExecContext, tty_reset), SD_BUS_VTABLE_PROPERTY_CONST), | |
614 | SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool, offsetof(ExecContext, tty_vhangup), SD_BUS_VTABLE_PROPERTY_CONST), | |
615 | SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool, offsetof(ExecContext, tty_vt_disallocate), SD_BUS_VTABLE_PROPERTY_CONST), | |
616 | SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), | |
617 | SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST), | |
618 | SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST), | |
619 | SD_BUS_PROPERTY("Capabilities", "s", property_get_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
620 | SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), | |
621 | SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
622 | SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), | |
623 | SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), | |
624 | SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST), | |
625 | SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST), | |
626 | SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
627 | SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
628 | SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
629 | SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST), | |
630 | SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST), | |
631 | SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST), | |
632 | SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST), | |
633 | SD_BUS_PROPERTY("ProtectHome", "s", bus_property_get_protect_home, offsetof(ExecContext, protect_home), SD_BUS_VTABLE_PROPERTY_CONST), | |
634 | SD_BUS_PROPERTY("ProtectSystem", "s", bus_property_get_protect_system, offsetof(ExecContext, protect_system), SD_BUS_VTABLE_PROPERTY_CONST), | |
635 | SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), | |
636 | SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
637 | SD_BUS_PROPERTY("SELinuxContext", "(bs)", property_get_selinux_context, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
638 | SD_BUS_PROPERTY("AppArmorProfile", "(bs)", property_get_apparmor_profile, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
639 | SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST), | |
640 | SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST), | |
641 | SD_BUS_PROPERTY("SystemCallFilter", "(bas)", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
642 | SD_BUS_PROPERTY("SystemCallArchitectures", "as", property_get_syscall_archs, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
643 | SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
644 | SD_BUS_PROPERTY("Personality", "s", property_get_personality, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
645 | SD_BUS_PROPERTY("RestrictAddressFamilies", "(bas)", property_get_address_families, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
646 | SD_BUS_PROPERTY("RuntimeDirectoryMode", "u", bus_property_get_mode, offsetof(ExecContext, runtime_directory_mode), SD_BUS_VTABLE_PROPERTY_CONST), | |
647 | SD_BUS_PROPERTY("RuntimeDirectory", "as", NULL, offsetof(ExecContext, runtime_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
648 | SD_BUS_VTABLE_END | |
649 | }; | |
663996b3 | 650 | |
60f067b4 JS |
651 | static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { |
652 | int r; | |
653 | ||
654 | assert(reply); | |
663996b3 MS |
655 | assert(c); |
656 | ||
60f067b4 JS |
657 | if (!c->path) |
658 | return 0; | |
659 | ||
660 | r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); | |
661 | if (r < 0) | |
662 | return r; | |
663 | ||
664 | r = sd_bus_message_append(reply, "s", c->path); | |
665 | if (r < 0) | |
666 | return r; | |
667 | ||
668 | r = sd_bus_message_append_strv(reply, c->argv); | |
669 | if (r < 0) | |
670 | return r; | |
671 | ||
672 | r = sd_bus_message_append(reply, "bttttuii", | |
673 | c->ignore, | |
674 | c->exec_status.start_timestamp.realtime, | |
675 | c->exec_status.start_timestamp.monotonic, | |
676 | c->exec_status.exit_timestamp.realtime, | |
677 | c->exec_status.exit_timestamp.monotonic, | |
678 | (uint32_t) c->exec_status.pid, | |
679 | (int32_t) c->exec_status.code, | |
680 | (int32_t) c->exec_status.status); | |
681 | if (r < 0) | |
682 | return r; | |
683 | ||
684 | return sd_bus_message_close_container(reply); | |
685 | } | |
663996b3 | 686 | |
60f067b4 JS |
687 | int bus_property_get_exec_command( |
688 | sd_bus *bus, | |
689 | const char *path, | |
690 | const char *interface, | |
691 | const char *property, | |
692 | sd_bus_message *reply, | |
693 | void *userdata, | |
694 | sd_bus_error *ret_error) { | |
663996b3 | 695 | |
60f067b4 JS |
696 | ExecCommand *c = (ExecCommand*) userdata; |
697 | int r; | |
663996b3 | 698 | |
60f067b4 JS |
699 | assert(bus); |
700 | assert(reply); | |
663996b3 | 701 | |
60f067b4 JS |
702 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
703 | if (r < 0) | |
704 | return r; | |
705 | ||
706 | r = append_exec_command(reply, c); | |
707 | if (r < 0) | |
708 | return r; | |
709 | ||
710 | return sd_bus_message_close_container(reply); | |
663996b3 MS |
711 | } |
712 | ||
60f067b4 JS |
713 | int bus_property_get_exec_command_list( |
714 | sd_bus *bus, | |
715 | const char *path, | |
716 | const char *interface, | |
717 | const char *property, | |
718 | sd_bus_message *reply, | |
719 | void *userdata, | |
720 | sd_bus_error *ret_error) { | |
721 | ||
722 | ExecCommand *c = *(ExecCommand**) userdata; | |
723 | int r; | |
724 | ||
725 | assert(bus); | |
726 | assert(reply); | |
727 | ||
728 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); | |
729 | if (r < 0) | |
730 | return r; | |
731 | ||
732 | LIST_FOREACH(command, c, c) { | |
733 | r = append_exec_command(reply, c); | |
734 | if (r < 0) | |
735 | return r; | |
736 | } | |
737 | ||
738 | return sd_bus_message_close_container(reply); | |
739 | } | |
740 | ||
741 | int bus_exec_context_set_transient_property( | |
742 | Unit *u, | |
743 | ExecContext *c, | |
744 | const char *name, | |
745 | sd_bus_message *message, | |
746 | UnitSetPropertiesMode mode, | |
747 | sd_bus_error *error) { | |
748 | ||
749 | int r; | |
750 | ||
751 | assert(u); | |
752 | assert(c); | |
753 | assert(name); | |
754 | assert(message); | |
755 | ||
756 | if (streq(name, "User")) { | |
757 | const char *uu; | |
758 | ||
759 | r = sd_bus_message_read(message, "s", &uu); | |
760 | if (r < 0) | |
761 | return r; | |
762 | ||
763 | if (mode != UNIT_CHECK) { | |
764 | ||
765 | if (isempty(uu)) { | |
766 | free(c->user); | |
767 | c->user = NULL; | |
768 | } else { | |
769 | char *t; | |
770 | ||
771 | t = strdup(uu); | |
772 | if (!t) | |
773 | return -ENOMEM; | |
774 | ||
775 | free(c->user); | |
776 | c->user = t; | |
777 | } | |
778 | ||
779 | unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu); | |
780 | } | |
781 | ||
782 | return 1; | |
783 | ||
784 | } else if (streq(name, "Group")) { | |
785 | const char *gg; | |
786 | ||
787 | r = sd_bus_message_read(message, "s", &gg); | |
788 | if (r < 0) | |
789 | return r; | |
790 | ||
791 | if (mode != UNIT_CHECK) { | |
792 | ||
793 | if (isempty(gg)) { | |
794 | free(c->group); | |
795 | c->group = NULL; | |
796 | } else { | |
797 | char *t; | |
798 | ||
799 | t = strdup(gg); | |
800 | if (!t) | |
801 | return -ENOMEM; | |
802 | ||
803 | free(c->group); | |
804 | c->group = t; | |
805 | } | |
806 | ||
807 | unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg); | |
808 | } | |
809 | ||
810 | return 1; | |
811 | ||
812 | } else if (streq(name, "Nice")) { | |
813 | int n; | |
814 | ||
815 | r = sd_bus_message_read(message, "i", &n); | |
816 | if (r < 0) | |
817 | return r; | |
818 | ||
819 | if (n < PRIO_MIN || n >= PRIO_MAX) | |
820 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range"); | |
821 | ||
822 | if (mode != UNIT_CHECK) { | |
823 | c->nice = n; | |
824 | unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n); | |
825 | } | |
826 | ||
827 | return 1; | |
828 | ||
829 | } else if (streq(name, "Environment")) { | |
830 | ||
831 | _cleanup_strv_free_ char **l = NULL; | |
832 | ||
833 | r = sd_bus_message_read_strv(message, &l); | |
834 | if (r < 0) | |
835 | return r; | |
836 | ||
837 | if (!strv_env_is_valid(l)) | |
838 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); | |
839 | ||
840 | if (mode != UNIT_CHECK) { | |
841 | _cleanup_free_ char *joined = NULL; | |
842 | char **e; | |
843 | ||
844 | e = strv_env_merge(2, c->environment, l); | |
845 | if (!e) | |
846 | return -ENOMEM; | |
847 | ||
848 | strv_free(c->environment); | |
849 | c->environment = e; | |
850 | ||
e842803a | 851 | joined = strv_join_quoted(c->environment); |
60f067b4 JS |
852 | if (!joined) |
853 | return -ENOMEM; | |
854 | ||
855 | unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined); | |
856 | } | |
857 | ||
858 | return 1; | |
859 | ||
860 | } else if (rlimit_from_string(name) >= 0) { | |
861 | uint64_t rl; | |
862 | rlim_t x; | |
863 | ||
864 | r = sd_bus_message_read(message, "t", &rl); | |
865 | if (r < 0) | |
866 | return r; | |
867 | ||
868 | if (rl == (uint64_t) -1) | |
869 | x = RLIM_INFINITY; | |
870 | else { | |
871 | x = (rlim_t) rl; | |
872 | ||
873 | if ((uint64_t) x != rl) | |
874 | return -ERANGE; | |
875 | } | |
876 | ||
877 | if (mode != UNIT_CHECK) { | |
878 | int z; | |
879 | ||
880 | z = rlimit_from_string(name); | |
881 | ||
882 | if (!c->rlimit[z]) { | |
883 | c->rlimit[z] = new(struct rlimit, 1); | |
884 | if (!c->rlimit[z]) | |
885 | return -ENOMEM; | |
886 | } | |
887 | ||
888 | c->rlimit[z]->rlim_cur = c->rlimit[z]->rlim_max = x; | |
889 | ||
890 | if (x == RLIM_INFINITY) | |
891 | unit_write_drop_in_private_format(u, mode, name, "%s=infinity\n", name); | |
892 | else | |
893 | unit_write_drop_in_private_format(u, mode, name, "%s=%" PRIu64 "\n", name, rl); | |
894 | } | |
895 | ||
896 | return 1; | |
897 | } | |
898 | ||
899 | return 0; | |
900 | } |