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d6c9574f | 1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
4139c1b2 LP |
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 | |
5430f7f2 LP |
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 | |
4139c1b2 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
4139c1b2 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
4139c1b2 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
82c121a4 | 22 | #include <sys/prctl.h> |
4139c1b2 | 23 | |
718db961 | 24 | #include "bus-util.h" |
82c121a4 LP |
25 | #include "missing.h" |
26 | #include "ioprio.h" | |
fe68089d | 27 | #include "strv.h" |
a5c32cff | 28 | #include "fileio.h" |
718db961 LP |
29 | #include "execute.h" |
30 | #include "dbus-execute.h" | |
5ce70e5b | 31 | #include "capability.h" |
c7040b5d | 32 | #include "env-util.h" |
4139c1b2 | 33 | |
718db961 | 34 | BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput); |
82c121a4 | 35 | |
718db961 | 36 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput); |
8c7be95e | 37 | |
718db961 LP |
38 | static int property_get_environment_files( |
39 | sd_bus *bus, | |
40 | const char *path, | |
41 | const char *interface, | |
42 | const char *property, | |
43 | sd_bus_message *reply, | |
ebcf1f97 LP |
44 | void *userdata, |
45 | sd_bus_error *error) { | |
8c7be95e | 46 | |
718db961 LP |
47 | ExecContext *c = userdata; |
48 | char **j; | |
49 | int r; | |
8c7be95e | 50 | |
718db961 LP |
51 | assert(bus); |
52 | assert(reply); | |
53 | assert(c); | |
54 | ||
55 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); | |
56 | if (r < 0) | |
57 | return r; | |
8c7be95e | 58 | |
718db961 LP |
59 | STRV_FOREACH(j, c->environment_files) { |
60 | const char *fn = *j; | |
8c7be95e | 61 | |
718db961 LP |
62 | r = sd_bus_message_append(reply, "(sb)", fn[0] == '-' ? fn + 1 : fn, fn[0] == '-'); |
63 | if (r < 0) | |
64 | return r; | |
8c7be95e LP |
65 | } |
66 | ||
718db961 LP |
67 | return sd_bus_message_close_container(reply); |
68 | } | |
69 | ||
70 | static int property_get_rlimit( | |
71 | sd_bus *bus, | |
72 | const char *path, | |
73 | const char *interface, | |
74 | const char *property, | |
75 | sd_bus_message *reply, | |
ebcf1f97 LP |
76 | void *userdata, |
77 | sd_bus_error *error) { | |
718db961 LP |
78 | |
79 | struct rlimit *rl; | |
80 | uint64_t u; | |
81 | ||
82 | assert(bus); | |
83 | assert(reply); | |
84 | assert(userdata); | |
8c7be95e | 85 | |
718db961 LP |
86 | rl = *(struct rlimit**) userdata; |
87 | if (rl) | |
88 | u = (uint64_t) rl->rlim_max; | |
89 | else { | |
90 | struct rlimit buf = {}; | |
91 | int z; | |
92 | ||
93 | z = rlimit_from_string(property); | |
94 | assert(z >= 0); | |
95 | ||
96 | getrlimit(z, &buf); | |
97 | ||
98 | u = (uint64_t) buf.rlim_max; | |
99 | } | |
100 | ||
101 | return sd_bus_message_append(reply, "t", u); | |
8c7be95e LP |
102 | } |
103 | ||
718db961 LP |
104 | static int property_get_oom_score_adjust( |
105 | sd_bus *bus, | |
106 | const char *path, | |
107 | const char *interface, | |
108 | const char *property, | |
109 | sd_bus_message *reply, | |
ebcf1f97 LP |
110 | void *userdata, |
111 | sd_bus_error *error) { | |
718db961 LP |
112 | |
113 | ||
114 | ExecContext *c = userdata; | |
82c121a4 LP |
115 | int32_t n; |
116 | ||
718db961 LP |
117 | assert(bus); |
118 | assert(reply); | |
82c121a4 LP |
119 | assert(c); |
120 | ||
dd6c17b1 LP |
121 | if (c->oom_score_adjust_set) |
122 | n = c->oom_score_adjust; | |
82c121a4 | 123 | else { |
68eda4bd | 124 | _cleanup_free_ char *t = NULL; |
82c121a4 LP |
125 | |
126 | n = 0; | |
718db961 | 127 | if (read_one_line_file("/proc/self/oom_score_adj", &t) >= 0) |
82c121a4 | 128 | safe_atoi(t, &n); |
82c121a4 LP |
129 | } |
130 | ||
718db961 | 131 | return sd_bus_message_append(reply, "i", n); |
82c121a4 LP |
132 | } |
133 | ||
718db961 LP |
134 | static int property_get_nice( |
135 | sd_bus *bus, | |
136 | const char *path, | |
137 | const char *interface, | |
138 | const char *property, | |
139 | sd_bus_message *reply, | |
ebcf1f97 LP |
140 | void *userdata, |
141 | sd_bus_error *error) { | |
718db961 LP |
142 | |
143 | ||
144 | ExecContext *c = userdata; | |
82c121a4 LP |
145 | int32_t n; |
146 | ||
718db961 LP |
147 | assert(bus); |
148 | assert(reply); | |
82c121a4 LP |
149 | assert(c); |
150 | ||
151 | if (c->nice_set) | |
152 | n = c->nice; | |
718db961 LP |
153 | else { |
154 | errno = 0; | |
82c121a4 | 155 | n = getpriority(PRIO_PROCESS, 0); |
718db961 LP |
156 | if (errno != 0) |
157 | n = 0; | |
158 | } | |
82c121a4 | 159 | |
718db961 | 160 | return sd_bus_message_append(reply, "i", n); |
82c121a4 LP |
161 | } |
162 | ||
718db961 LP |
163 | static int property_get_ioprio( |
164 | sd_bus *bus, | |
165 | const char *path, | |
166 | const char *interface, | |
167 | const char *property, | |
168 | sd_bus_message *reply, | |
ebcf1f97 LP |
169 | void *userdata, |
170 | sd_bus_error *error) { | |
718db961 LP |
171 | |
172 | ||
173 | ExecContext *c = userdata; | |
82c121a4 LP |
174 | int32_t n; |
175 | ||
718db961 LP |
176 | assert(bus); |
177 | assert(reply); | |
82c121a4 LP |
178 | assert(c); |
179 | ||
180 | if (c->ioprio_set) | |
181 | n = c->ioprio; | |
718db961 | 182 | else { |
82c121a4 | 183 | n = ioprio_get(IOPRIO_WHO_PROCESS, 0); |
718db961 LP |
184 | if (n < 0) |
185 | n = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 4); | |
186 | } | |
82c121a4 | 187 | |
718db961 | 188 | return sd_bus_message_append(reply, "i", n); |
82c121a4 LP |
189 | } |
190 | ||
718db961 LP |
191 | static int property_get_cpu_sched_policy( |
192 | sd_bus *bus, | |
193 | const char *path, | |
194 | const char *interface, | |
195 | const char *property, | |
196 | sd_bus_message *reply, | |
ebcf1f97 LP |
197 | void *userdata, |
198 | sd_bus_error *error) { | |
718db961 LP |
199 | |
200 | ExecContext *c = userdata; | |
82c121a4 LP |
201 | int32_t n; |
202 | ||
718db961 LP |
203 | assert(bus); |
204 | assert(reply); | |
82c121a4 LP |
205 | assert(c); |
206 | ||
207 | if (c->cpu_sched_set) | |
208 | n = c->cpu_sched_policy; | |
718db961 | 209 | else { |
82c121a4 | 210 | n = sched_getscheduler(0); |
718db961 LP |
211 | if (n < 0) |
212 | n = SCHED_OTHER; | |
213 | } | |
82c121a4 | 214 | |
718db961 | 215 | return sd_bus_message_append(reply, "i", n); |
82c121a4 LP |
216 | } |
217 | ||
718db961 LP |
218 | static int property_get_cpu_sched_priority( |
219 | sd_bus *bus, | |
220 | const char *path, | |
221 | const char *interface, | |
222 | const char *property, | |
223 | sd_bus_message *reply, | |
ebcf1f97 LP |
224 | void *userdata, |
225 | sd_bus_error *error) { | |
718db961 LP |
226 | |
227 | ExecContext *c = userdata; | |
82c121a4 LP |
228 | int32_t n; |
229 | ||
718db961 LP |
230 | assert(bus); |
231 | assert(reply); | |
82c121a4 LP |
232 | assert(c); |
233 | ||
234 | if (c->cpu_sched_set) | |
235 | n = c->cpu_sched_priority; | |
236 | else { | |
b92bea5d | 237 | struct sched_param p = {}; |
82c121a4 | 238 | |
82c121a4 LP |
239 | if (sched_getparam(0, &p) >= 0) |
240 | n = p.sched_priority; | |
e62d8c39 ZJS |
241 | else |
242 | n = 0; | |
82c121a4 LP |
243 | } |
244 | ||
718db961 | 245 | return sd_bus_message_append(reply, "i", n); |
82c121a4 LP |
246 | } |
247 | ||
718db961 LP |
248 | static int property_get_cpu_affinity( |
249 | sd_bus *bus, | |
250 | const char *path, | |
251 | const char *interface, | |
252 | const char *property, | |
253 | sd_bus_message *reply, | |
ebcf1f97 LP |
254 | void *userdata, |
255 | sd_bus_error *error) { | |
82c121a4 | 256 | |
718db961 | 257 | ExecContext *c = userdata; |
82c121a4 | 258 | |
718db961 LP |
259 | assert(bus); |
260 | assert(reply); | |
261 | assert(c); | |
82c121a4 LP |
262 | |
263 | if (c->cpuset) | |
718db961 | 264 | return sd_bus_message_append_array(reply, 'y', c->cpuset, CPU_ALLOC_SIZE(c->cpuset_ncpus)); |
82c121a4 | 265 | else |
718db961 | 266 | return sd_bus_message_append_array(reply, 'y', NULL, 0); |
82c121a4 LP |
267 | } |
268 | ||
718db961 LP |
269 | static int property_get_timer_slack_nsec( |
270 | sd_bus *bus, | |
271 | const char *path, | |
272 | const char *interface, | |
273 | const char *property, | |
274 | sd_bus_message *reply, | |
ebcf1f97 LP |
275 | void *userdata, |
276 | sd_bus_error *error) { | |
718db961 LP |
277 | |
278 | ExecContext *c = userdata; | |
82c121a4 LP |
279 | uint64_t u; |
280 | ||
718db961 LP |
281 | assert(bus); |
282 | assert(reply); | |
82c121a4 LP |
283 | assert(c); |
284 | ||
d88a251b | 285 | if (c->timer_slack_nsec != (nsec_t) -1) |
03fae018 | 286 | u = (uint64_t) c->timer_slack_nsec; |
82c121a4 LP |
287 | else |
288 | u = (uint64_t) prctl(PR_GET_TIMERSLACK); | |
289 | ||
718db961 | 290 | return sd_bus_message_append(reply, "t", u); |
82c121a4 LP |
291 | } |
292 | ||
718db961 LP |
293 | static int property_get_capability_bounding_set( |
294 | sd_bus *bus, | |
295 | const char *path, | |
296 | const char *interface, | |
297 | const char *property, | |
298 | sd_bus_message *reply, | |
ebcf1f97 LP |
299 | void *userdata, |
300 | sd_bus_error *error) { | |
260abb78 | 301 | |
718db961 LP |
302 | ExecContext *c = userdata; |
303 | ||
304 | assert(bus); | |
305 | assert(reply); | |
260abb78 LP |
306 | assert(c); |
307 | ||
7c3d67ef | 308 | /* We store this negated internally, to match the kernel, but |
260abb78 | 309 | * we expose it normalized. */ |
718db961 | 310 | return sd_bus_message_append(reply, "t", ~c->capability_bounding_set_drop); |
260abb78 LP |
311 | } |
312 | ||
718db961 LP |
313 | static int property_get_capabilities( |
314 | sd_bus *bus, | |
315 | const char *path, | |
316 | const char *interface, | |
317 | const char *property, | |
318 | sd_bus_message *reply, | |
ebcf1f97 LP |
319 | void *userdata, |
320 | sd_bus_error *error) { | |
718db961 LP |
321 | |
322 | ExecContext *c = userdata; | |
5ce70e5b | 323 | _cleanup_cap_free_charp_ char *t = NULL; |
82c121a4 | 324 | const char *s; |
82c121a4 | 325 | |
718db961 LP |
326 | assert(bus); |
327 | assert(reply); | |
82c121a4 LP |
328 | assert(c); |
329 | ||
330 | if (c->capabilities) | |
331 | s = t = cap_to_text(c->capabilities, NULL); | |
332 | else | |
333 | s = ""; | |
334 | ||
674cdd19 | 335 | if (!s) |
82c121a4 LP |
336 | return -ENOMEM; |
337 | ||
5ce70e5b | 338 | return sd_bus_message_append(reply, "s", s); |
82c121a4 LP |
339 | } |
340 | ||
718db961 LP |
341 | static int property_get_syscall_filter( |
342 | sd_bus *bus, | |
343 | const char *path, | |
344 | const char *interface, | |
345 | const char *property, | |
346 | sd_bus_message *reply, | |
ebcf1f97 LP |
347 | void *userdata, |
348 | sd_bus_error *error) { | |
82c121a4 | 349 | |
17df7223 LP |
350 | ExecContext *c = userdata; |
351 | _cleanup_strv_free_ char **l = NULL; | |
352 | _cleanup_free_ char *t = NULL; | |
351a19b1 | 353 | #ifdef HAVE_SECCOMP |
17df7223 LP |
354 | Iterator i; |
355 | void *id; | |
356 | int r; | |
351a19b1 | 357 | #endif |
17df7223 LP |
358 | |
359 | assert(bus); | |
360 | assert(reply); | |
361 | assert(c); | |
362 | ||
351a19b1 | 363 | #ifdef HAVE_SECCOMP |
17df7223 LP |
364 | SET_FOREACH(id, c->syscall_filter, i) { |
365 | char *name; | |
366 | ||
367 | name = seccomp_syscall_resolve_num_arch(SCMP_ARCH_NATIVE, PTR_TO_INT(id) - 1); | |
368 | if (!name) | |
369 | continue; | |
370 | ||
371 | r = strv_push(&l, name); | |
372 | if (r < 0) { | |
373 | free(name); | |
374 | return -ENOMEM; | |
375 | } | |
376 | } | |
351a19b1 | 377 | #endif |
17df7223 LP |
378 | |
379 | strv_sort(l); | |
380 | ||
381 | t = strv_join(l, " "); | |
382 | if (!t) | |
383 | return -ENOMEM; | |
384 | ||
385 | if (!c->syscall_whitelist) { | |
386 | char *d; | |
387 | ||
388 | d = strappend("~", t); | |
389 | if (!d) | |
390 | return -ENOMEM; | |
391 | ||
392 | free(t); | |
393 | t = d; | |
394 | } | |
395 | ||
396 | return sd_bus_message_append(reply, "s", t); | |
397 | } | |
398 | ||
399 | static int property_get_syscall_errno( | |
400 | sd_bus *bus, | |
401 | const char *path, | |
402 | const char *interface, | |
403 | const char *property, | |
404 | sd_bus_message *reply, | |
405 | void *userdata, | |
406 | sd_bus_error *error) { | |
407 | ||
718db961 | 408 | ExecContext *c = userdata; |
82c121a4 | 409 | |
718db961 LP |
410 | assert(bus); |
411 | assert(reply); | |
412 | assert(c); | |
82c121a4 | 413 | |
17df7223 | 414 | return sd_bus_message_append(reply, "i", (int32_t) c->syscall_errno); |
718db961 | 415 | } |
82c121a4 | 416 | |
718db961 LP |
417 | const sd_bus_vtable bus_exec_vtable[] = { |
418 | SD_BUS_VTABLE_START(0), | |
556089dc LP |
419 | SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(ExecContext, environment), SD_BUS_VTABLE_PROPERTY_CONST), |
420 | SD_BUS_PROPERTY("EnvironmentFiles", "a(sb)", property_get_environment_files, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
421 | SD_BUS_PROPERTY("UMask", "u", bus_property_get_mode, offsetof(ExecContext, umask), SD_BUS_VTABLE_PROPERTY_CONST), | |
422 | SD_BUS_PROPERTY("LimitCPU", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CPU]), SD_BUS_VTABLE_PROPERTY_CONST), | |
423 | SD_BUS_PROPERTY("LimitFSIZE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_FSIZE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
424 | SD_BUS_PROPERTY("LimitDATA", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_DATA]), SD_BUS_VTABLE_PROPERTY_CONST), | |
425 | SD_BUS_PROPERTY("LimitSTACK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_STACK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
426 | SD_BUS_PROPERTY("LimitCORE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_CORE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
427 | SD_BUS_PROPERTY("LimitRSS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RSS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
428 | SD_BUS_PROPERTY("LimitNOFILE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NOFILE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
429 | SD_BUS_PROPERTY("LimitAS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_AS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
430 | SD_BUS_PROPERTY("LimitNPROC", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NPROC]), SD_BUS_VTABLE_PROPERTY_CONST), | |
431 | SD_BUS_PROPERTY("LimitMEMLOCK", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MEMLOCK]), SD_BUS_VTABLE_PROPERTY_CONST), | |
432 | SD_BUS_PROPERTY("LimitLOCKS", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_LOCKS]), SD_BUS_VTABLE_PROPERTY_CONST), | |
433 | SD_BUS_PROPERTY("LimitSIGPENDING", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_SIGPENDING]), SD_BUS_VTABLE_PROPERTY_CONST), | |
434 | SD_BUS_PROPERTY("LimitMSGQUEUE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_MSGQUEUE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
435 | SD_BUS_PROPERTY("LimitNICE", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_NICE]), SD_BUS_VTABLE_PROPERTY_CONST), | |
436 | SD_BUS_PROPERTY("LimitRTPRIO", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTPRIO]), SD_BUS_VTABLE_PROPERTY_CONST), | |
437 | SD_BUS_PROPERTY("LimitRTTIME", "t", property_get_rlimit, offsetof(ExecContext, rlimit[RLIMIT_RTTIME]), SD_BUS_VTABLE_PROPERTY_CONST), | |
438 | SD_BUS_PROPERTY("WorkingDirectory", "s", NULL, offsetof(ExecContext, working_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
439 | SD_BUS_PROPERTY("RootDirectory", "s", NULL, offsetof(ExecContext, root_directory), SD_BUS_VTABLE_PROPERTY_CONST), | |
440 | SD_BUS_PROPERTY("OOMScoreAdjust", "i", property_get_oom_score_adjust, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
441 | SD_BUS_PROPERTY("Nice", "i", property_get_nice, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
442 | SD_BUS_PROPERTY("IOScheduling", "i", property_get_ioprio, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
443 | SD_BUS_PROPERTY("CPUSchedulingPolicy", "i", property_get_cpu_sched_policy, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
444 | SD_BUS_PROPERTY("CPUSchedulingPriority", "i", property_get_cpu_sched_priority, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
445 | SD_BUS_PROPERTY("CPUAffinity", "ay", property_get_cpu_affinity, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
446 | SD_BUS_PROPERTY("TimerSlackNSec", "t", property_get_timer_slack_nsec, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
447 | SD_BUS_PROPERTY("CPUSchedulingResetOnFork", "b", bus_property_get_bool, offsetof(ExecContext, cpu_sched_reset_on_fork), SD_BUS_VTABLE_PROPERTY_CONST), | |
448 | SD_BUS_PROPERTY("NonBlocking", "b", bus_property_get_bool, offsetof(ExecContext, non_blocking), SD_BUS_VTABLE_PROPERTY_CONST), | |
449 | SD_BUS_PROPERTY("StandardInput", "s", property_get_exec_input, offsetof(ExecContext, std_input), SD_BUS_VTABLE_PROPERTY_CONST), | |
450 | SD_BUS_PROPERTY("StandardOutput", "s", bus_property_get_exec_output, offsetof(ExecContext, std_output), SD_BUS_VTABLE_PROPERTY_CONST), | |
451 | SD_BUS_PROPERTY("StandardError", "s", bus_property_get_exec_output, offsetof(ExecContext, std_error), SD_BUS_VTABLE_PROPERTY_CONST), | |
452 | SD_BUS_PROPERTY("TTYPath", "s", NULL, offsetof(ExecContext, tty_path), SD_BUS_VTABLE_PROPERTY_CONST), | |
453 | SD_BUS_PROPERTY("TTYReset", "b", bus_property_get_bool, offsetof(ExecContext, tty_reset), SD_BUS_VTABLE_PROPERTY_CONST), | |
454 | SD_BUS_PROPERTY("TTYVHangup", "b", bus_property_get_bool, offsetof(ExecContext, tty_vhangup), SD_BUS_VTABLE_PROPERTY_CONST), | |
455 | SD_BUS_PROPERTY("TTYVTDisallocate", "b", bus_property_get_bool, offsetof(ExecContext, tty_vt_disallocate), SD_BUS_VTABLE_PROPERTY_CONST), | |
456 | SD_BUS_PROPERTY("SyslogPriority", "i", bus_property_get_int, offsetof(ExecContext, syslog_priority), SD_BUS_VTABLE_PROPERTY_CONST), | |
457 | SD_BUS_PROPERTY("SyslogIdentifier", "s", NULL, offsetof(ExecContext, syslog_identifier), SD_BUS_VTABLE_PROPERTY_CONST), | |
458 | SD_BUS_PROPERTY("SyslogLevelPrefix", "b", bus_property_get_bool, offsetof(ExecContext, syslog_level_prefix), SD_BUS_VTABLE_PROPERTY_CONST), | |
459 | SD_BUS_PROPERTY("Capabilities", "s", property_get_capabilities, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
460 | SD_BUS_PROPERTY("SecureBits", "i", bus_property_get_int, offsetof(ExecContext, secure_bits), SD_BUS_VTABLE_PROPERTY_CONST), | |
461 | SD_BUS_PROPERTY("CapabilityBoundingSet", "t", property_get_capability_bounding_set, 0, SD_BUS_VTABLE_PROPERTY_CONST), | |
462 | SD_BUS_PROPERTY("User", "s", NULL, offsetof(ExecContext, user), SD_BUS_VTABLE_PROPERTY_CONST), | |
463 | SD_BUS_PROPERTY("Group", "s", NULL, offsetof(ExecContext, group), SD_BUS_VTABLE_PROPERTY_CONST), | |
464 | SD_BUS_PROPERTY("SupplementaryGroups", "as", NULL, offsetof(ExecContext, supplementary_groups), SD_BUS_VTABLE_PROPERTY_CONST), | |
465 | SD_BUS_PROPERTY("TCPWrapName", "s", NULL, offsetof(ExecContext, tcpwrap_name), SD_BUS_VTABLE_PROPERTY_CONST), | |
466 | SD_BUS_PROPERTY("PAMName", "s", NULL, offsetof(ExecContext, pam_name), SD_BUS_VTABLE_PROPERTY_CONST), | |
467 | SD_BUS_PROPERTY("ReadWriteDirectories", "as", NULL, offsetof(ExecContext, read_write_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
468 | SD_BUS_PROPERTY("ReadOnlyDirectories", "as", NULL, offsetof(ExecContext, read_only_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
469 | SD_BUS_PROPERTY("InaccessibleDirectories", "as", NULL, offsetof(ExecContext, inaccessible_dirs), SD_BUS_VTABLE_PROPERTY_CONST), | |
470 | SD_BUS_PROPERTY("MountFlags", "t", bus_property_get_ulong, offsetof(ExecContext, mount_flags), SD_BUS_VTABLE_PROPERTY_CONST), | |
471 | SD_BUS_PROPERTY("PrivateTmp", "b", bus_property_get_bool, offsetof(ExecContext, private_tmp), SD_BUS_VTABLE_PROPERTY_CONST), | |
472 | SD_BUS_PROPERTY("PrivateNetwork", "b", bus_property_get_bool, offsetof(ExecContext, private_network), SD_BUS_VTABLE_PROPERTY_CONST), | |
7f112f50 | 473 | SD_BUS_PROPERTY("PrivateDevices", "b", bus_property_get_bool, offsetof(ExecContext, private_devices), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
474 | SD_BUS_PROPERTY("SameProcessGroup", "b", bus_property_get_bool, offsetof(ExecContext, same_pgrp), SD_BUS_VTABLE_PROPERTY_CONST), |
475 | SD_BUS_PROPERTY("UtmpIdentifier", "s", NULL, offsetof(ExecContext, utmp_id), SD_BUS_VTABLE_PROPERTY_CONST), | |
7b52a628 | 476 | SD_BUS_PROPERTY("SELinuxContext", "s", NULL, offsetof(ExecContext, selinux_context), SD_BUS_VTABLE_PROPERTY_CONST), |
556089dc LP |
477 | SD_BUS_PROPERTY("IgnoreSIGPIPE", "b", bus_property_get_bool, offsetof(ExecContext, ignore_sigpipe), SD_BUS_VTABLE_PROPERTY_CONST), |
478 | SD_BUS_PROPERTY("NoNewPrivileges", "b", bus_property_get_bool, offsetof(ExecContext, no_new_privileges), SD_BUS_VTABLE_PROPERTY_CONST), | |
c0467cf3 | 479 | SD_BUS_PROPERTY("SystemCallFilter", "s", property_get_syscall_filter, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
17df7223 | 480 | SD_BUS_PROPERTY("SystemCallErrorNumber", "i", property_get_syscall_errno, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
718db961 LP |
481 | SD_BUS_VTABLE_END |
482 | }; | |
82c121a4 | 483 | |
4d4c80d0 LP |
484 | static int append_exec_command(sd_bus_message *reply, ExecCommand *c) { |
485 | int r; | |
486 | ||
487 | assert(reply); | |
488 | assert(c); | |
489 | ||
490 | if (!c->path) | |
491 | return 0; | |
492 | ||
493 | r = sd_bus_message_open_container(reply, 'r', "sasbttttuii"); | |
494 | if (r < 0) | |
495 | return r; | |
496 | ||
497 | r = sd_bus_message_append(reply, "s", c->path); | |
498 | if (r < 0) | |
499 | return r; | |
500 | ||
501 | r = sd_bus_message_append_strv(reply, c->argv); | |
502 | if (r < 0) | |
503 | return r; | |
504 | ||
505 | r = sd_bus_message_append(reply, "bttttuii", | |
506 | c->ignore, | |
507 | c->exec_status.start_timestamp.realtime, | |
508 | c->exec_status.start_timestamp.monotonic, | |
509 | c->exec_status.exit_timestamp.realtime, | |
510 | c->exec_status.exit_timestamp.monotonic, | |
511 | (uint32_t) c->exec_status.pid, | |
512 | (int32_t) c->exec_status.code, | |
513 | (int32_t) c->exec_status.status); | |
514 | if (r < 0) | |
515 | return r; | |
516 | ||
517 | return sd_bus_message_close_container(reply); | |
518 | } | |
519 | ||
718db961 LP |
520 | int bus_property_get_exec_command( |
521 | sd_bus *bus, | |
522 | const char *path, | |
523 | const char *interface, | |
524 | const char *property, | |
525 | sd_bus_message *reply, | |
ebcf1f97 LP |
526 | void *userdata, |
527 | sd_bus_error *ret_error) { | |
fe68089d | 528 | |
4d4c80d0 | 529 | ExecCommand *c = (ExecCommand*) userdata; |
718db961 | 530 | int r; |
fe68089d | 531 | |
718db961 LP |
532 | assert(bus); |
533 | assert(reply); | |
fe68089d | 534 | |
718db961 LP |
535 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); |
536 | if (r < 0) | |
537 | return r; | |
fe68089d | 538 | |
4d4c80d0 LP |
539 | r = append_exec_command(reply, c); |
540 | if (r < 0) | |
541 | return r; | |
fe68089d | 542 | |
4d4c80d0 LP |
543 | return sd_bus_message_close_container(reply); |
544 | } | |
718db961 | 545 | |
4d4c80d0 LP |
546 | int bus_property_get_exec_command_list( |
547 | sd_bus *bus, | |
548 | const char *path, | |
549 | const char *interface, | |
550 | const char *property, | |
551 | sd_bus_message *reply, | |
552 | void *userdata, | |
553 | sd_bus_error *ret_error) { | |
718db961 | 554 | |
4d4c80d0 LP |
555 | ExecCommand *c = *(ExecCommand**) userdata; |
556 | int r; | |
718db961 | 557 | |
4d4c80d0 LP |
558 | assert(bus); |
559 | assert(reply); | |
560 | ||
561 | r = sd_bus_message_open_container(reply, 'a', "(sasbttttuii)"); | |
562 | if (r < 0) | |
563 | return r; | |
718db961 | 564 | |
4d4c80d0 LP |
565 | LIST_FOREACH(command, c, c) { |
566 | r = append_exec_command(reply, c); | |
718db961 LP |
567 | if (r < 0) |
568 | return r; | |
fe68089d LP |
569 | } |
570 | ||
718db961 | 571 | return sd_bus_message_close_container(reply); |
8351ceae | 572 | } |
c7040b5d LP |
573 | |
574 | int bus_exec_context_set_transient_property( | |
575 | Unit *u, | |
576 | ExecContext *c, | |
577 | const char *name, | |
578 | sd_bus_message *message, | |
579 | UnitSetPropertiesMode mode, | |
580 | sd_bus_error *error) { | |
581 | ||
582 | int r; | |
583 | ||
584 | assert(u); | |
585 | assert(c); | |
586 | assert(name); | |
587 | assert(message); | |
588 | ||
589 | if (streq(name, "User")) { | |
590 | const char *uu; | |
591 | ||
592 | r = sd_bus_message_read(message, "s", &uu); | |
593 | if (r < 0) | |
594 | return r; | |
595 | ||
596 | if (mode != UNIT_CHECK) { | |
597 | ||
598 | if (isempty(uu)) { | |
599 | free(c->user); | |
600 | c->user = NULL; | |
601 | } else { | |
602 | char *t; | |
603 | ||
604 | t = strdup(uu); | |
605 | if (!t) | |
606 | return -ENOMEM; | |
607 | ||
608 | free(c->user); | |
609 | c->user = t; | |
610 | } | |
611 | ||
612 | unit_write_drop_in_private_format(u, mode, name, "User=%s\n", uu); | |
613 | } | |
614 | ||
615 | return 1; | |
616 | ||
617 | } else if (streq(name, "Group")) { | |
618 | const char *gg; | |
619 | ||
620 | r = sd_bus_message_read(message, "s", &gg); | |
621 | if (r < 0) | |
622 | return r; | |
623 | ||
624 | if (mode != UNIT_CHECK) { | |
625 | ||
626 | if (isempty(gg)) { | |
627 | free(c->group); | |
628 | c->group = NULL; | |
629 | } else { | |
630 | char *t; | |
631 | ||
632 | t = strdup(gg); | |
633 | if (!t) | |
634 | return -ENOMEM; | |
635 | ||
636 | free(c->group); | |
637 | c->group = t; | |
638 | } | |
639 | ||
640 | unit_write_drop_in_private_format(u, mode, name, "Group=%s\n", gg); | |
641 | } | |
642 | ||
643 | return 1; | |
644 | ||
645 | } else if (streq(name, "Nice")) { | |
646 | int n; | |
647 | ||
648 | r = sd_bus_message_read(message, "i", &n); | |
649 | if (r < 0) | |
650 | return r; | |
651 | ||
652 | if (n < PRIO_MIN || n >= PRIO_MAX) | |
653 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Nice value out of range"); | |
654 | ||
655 | if (mode != UNIT_CHECK) { | |
656 | c->nice = n; | |
657 | unit_write_drop_in_private_format(u, mode, name, "Nice=%i\n", n); | |
658 | } | |
659 | ||
660 | return 1; | |
661 | ||
662 | } else if (streq(name, "Environment")) { | |
663 | ||
664 | _cleanup_strv_free_ char **l = NULL; | |
665 | ||
666 | r = sd_bus_message_read_strv(message, &l); | |
667 | if (r < 0) | |
668 | return r; | |
669 | ||
670 | if (!strv_env_is_valid(l)) | |
671 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment block."); | |
672 | ||
673 | if (mode != UNIT_CHECK) { | |
1006a62d | 674 | _cleanup_free_ char *joined = NULL; |
c7040b5d LP |
675 | char **e; |
676 | ||
677 | e = strv_env_merge(2, c->environment, l); | |
678 | if (!e) | |
679 | return -ENOMEM; | |
680 | ||
681 | strv_free(c->environment); | |
682 | c->environment = e; | |
683 | ||
684 | joined = strv_join(c->environment, " "); | |
685 | if (!joined) | |
686 | return -ENOMEM; | |
687 | ||
688 | unit_write_drop_in_private_format(u, mode, name, "Environment=%s\n", joined); | |
689 | } | |
690 | ||
691 | return 1; | |
692 | } | |
693 | ||
694 | return 0; | |
695 | } |