]>
Commit | Line | Data |
---|---|---|
5b12334d LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 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 | ||
22 | #include <stdlib.h> | |
23 | ||
24 | #include "util.h" | |
25 | #include "cgroup-util.h" | |
26 | #include "fileio.h" | |
27 | #include "audit.h" | |
28 | #include "bus-message.h" | |
29 | #include "bus-util.h" | |
30 | #include "time-util.h" | |
49b832c5 | 31 | #include "strv.h" |
5b12334d | 32 | #include "bus-creds.h" |
a6278b88 | 33 | #include "bus-label.h" |
5b12334d LP |
34 | |
35 | enum { | |
36 | CAP_OFFSET_INHERITABLE = 0, | |
37 | CAP_OFFSET_PERMITTED = 1, | |
38 | CAP_OFFSET_EFFECTIVE = 2, | |
39 | CAP_OFFSET_BOUNDING = 3 | |
40 | }; | |
41 | ||
42 | void bus_creds_done(sd_bus_creds *c) { | |
43 | assert(c); | |
44 | ||
45 | /* For internal bus cred structures that are allocated by | |
46 | * something else */ | |
47 | ||
48 | free(c->session); | |
49 | free(c->unit); | |
50 | free(c->user_unit); | |
51 | free(c->slice); | |
455971c1 | 52 | free(c->unescaped_description); |
5b12334d | 53 | |
49b832c5 | 54 | strv_free(c->cmdline_array); |
65dae17a | 55 | strv_free(c->well_known_names); |
02581590 LP |
56 | |
57 | free(c->supplementary_gids); | |
5b12334d LP |
58 | } |
59 | ||
60 | _public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) { | |
61 | assert_return(c, NULL); | |
62 | ||
63 | if (c->allocated) { | |
64 | assert(c->n_ref > 0); | |
65 | c->n_ref++; | |
66 | } else { | |
67 | sd_bus_message *m; | |
68 | ||
69 | /* If this is an embedded creds structure, then | |
70 | * forward ref counting to the message */ | |
71 | m = container_of(c, sd_bus_message, creds); | |
72 | sd_bus_message_ref(m); | |
73 | } | |
74 | ||
75 | return c; | |
76 | } | |
77 | ||
78 | _public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) { | |
5b1bc83f LP |
79 | |
80 | if (!c) | |
81 | return NULL; | |
5b12334d LP |
82 | |
83 | if (c->allocated) { | |
84 | assert(c->n_ref > 0); | |
85 | c->n_ref--; | |
86 | ||
87 | if (c->n_ref == 0) { | |
88 | bus_creds_done(c); | |
89 | ||
90 | free(c->comm); | |
91 | free(c->tid_comm); | |
92 | free(c->exe); | |
93 | free(c->cmdline); | |
94 | free(c->cgroup); | |
95 | free(c->capability); | |
96 | free(c->label); | |
49b832c5 | 97 | free(c->unique_name); |
751bc6ac | 98 | free(c->cgroup_root); |
455971c1 | 99 | free(c->description); |
5b12334d LP |
100 | free(c); |
101 | } | |
102 | } else { | |
103 | sd_bus_message *m; | |
104 | ||
105 | m = container_of(c, sd_bus_message, creds); | |
106 | sd_bus_message_unref(m); | |
107 | } | |
108 | ||
109 | ||
110 | return NULL; | |
111 | } | |
112 | ||
4cf8496d | 113 | _public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) { |
5b12334d LP |
114 | assert_return(c, 0); |
115 | ||
116 | return c->mask; | |
117 | } | |
118 | ||
119 | sd_bus_creds* bus_creds_new(void) { | |
120 | sd_bus_creds *c; | |
121 | ||
122 | c = new0(sd_bus_creds, 1); | |
123 | if (!c) | |
124 | return NULL; | |
125 | ||
126 | c->allocated = true; | |
127 | c->n_ref = 1; | |
128 | return c; | |
129 | } | |
130 | ||
151b9b96 | 131 | _public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) { |
5b12334d LP |
132 | sd_bus_creds *c; |
133 | int r; | |
134 | ||
135 | assert_return(pid >= 0, -EINVAL); | |
95c4fe82 | 136 | assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP); |
5b12334d LP |
137 | assert_return(ret, -EINVAL); |
138 | ||
139 | if (pid == 0) | |
140 | pid = getpid(); | |
141 | ||
142 | c = bus_creds_new(); | |
143 | if (!c) | |
144 | return -ENOMEM; | |
145 | ||
705a415f | 146 | r = bus_creds_add_more(c, mask | SD_BUS_CREDS_AUGMENT, pid, 0); |
5b12334d | 147 | if (r < 0) { |
0349c608 | 148 | sd_bus_creds_unref(c); |
5b12334d LP |
149 | return r; |
150 | } | |
151 | ||
152 | /* Check if the process existed at all, in case we haven't | |
153 | * figured that out already */ | |
9f5650ae | 154 | if (!pid_is_alive(pid)) { |
5b12334d LP |
155 | sd_bus_creds_unref(c); |
156 | return -ESRCH; | |
157 | } | |
158 | ||
159 | *ret = c; | |
160 | return 0; | |
161 | } | |
162 | ||
163 | _public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) { | |
164 | assert_return(c, -EINVAL); | |
165 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
166 | |
167 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
168 | return -ENODATA; | |
5b12334d LP |
169 | |
170 | *uid = c->uid; | |
171 | return 0; | |
172 | } | |
173 | ||
705a415f LP |
174 | _public_ int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid) { |
175 | assert_return(c, -EINVAL); | |
176 | assert_return(euid, -EINVAL); | |
177 | ||
178 | if (!(c->mask & SD_BUS_CREDS_EUID)) | |
179 | return -ENODATA; | |
180 | ||
181 | *euid = c->euid; | |
182 | return 0; | |
183 | } | |
184 | ||
185 | _public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) { | |
186 | assert_return(c, -EINVAL); | |
187 | assert_return(suid, -EINVAL); | |
188 | ||
189 | if (!(c->mask & SD_BUS_CREDS_SUID)) | |
190 | return -ENODATA; | |
191 | ||
192 | *suid = c->suid; | |
193 | return 0; | |
194 | } | |
195 | ||
196 | ||
197 | _public_ int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid) { | |
198 | assert_return(c, -EINVAL); | |
199 | assert_return(fsuid, -EINVAL); | |
200 | ||
201 | if (!(c->mask & SD_BUS_CREDS_FSUID)) | |
202 | return -ENODATA; | |
203 | ||
204 | *fsuid = c->fsuid; | |
205 | return 0; | |
206 | } | |
207 | ||
5b12334d LP |
208 | _public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) { |
209 | assert_return(c, -EINVAL); | |
210 | assert_return(gid, -EINVAL); | |
6a4abbc8 LP |
211 | |
212 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
213 | return -ENODATA; | |
5b12334d LP |
214 | |
215 | *gid = c->gid; | |
216 | return 0; | |
217 | } | |
218 | ||
705a415f LP |
219 | |
220 | _public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) { | |
221 | assert_return(c, -EINVAL); | |
222 | assert_return(egid, -EINVAL); | |
223 | ||
224 | if (!(c->mask & SD_BUS_CREDS_EGID)) | |
225 | return -ENODATA; | |
226 | ||
227 | *egid = c->egid; | |
228 | return 0; | |
229 | } | |
230 | ||
231 | _public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) { | |
232 | assert_return(c, -EINVAL); | |
233 | assert_return(sgid, -EINVAL); | |
234 | ||
235 | if (!(c->mask & SD_BUS_CREDS_SGID)) | |
236 | return -ENODATA; | |
237 | ||
238 | *sgid = c->sgid; | |
239 | return 0; | |
240 | } | |
241 | ||
705a415f LP |
242 | _public_ int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid) { |
243 | assert_return(c, -EINVAL); | |
244 | assert_return(fsgid, -EINVAL); | |
245 | ||
246 | if (!(c->mask & SD_BUS_CREDS_FSGID)) | |
247 | return -ENODATA; | |
248 | ||
249 | *fsgid = c->fsgid; | |
250 | return 0; | |
251 | } | |
252 | ||
02581590 LP |
253 | _public_ int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids) { |
254 | assert_return(c, -EINVAL); | |
255 | assert_return(gids, -EINVAL); | |
256 | ||
257 | if (!(c->mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS)) | |
258 | return -ENODATA; | |
259 | ||
260 | *gids = c->supplementary_gids; | |
261 | return (int) c->n_supplementary_gids; | |
262 | } | |
263 | ||
5b12334d LP |
264 | _public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) { |
265 | assert_return(c, -EINVAL); | |
266 | assert_return(pid, -EINVAL); | |
6a4abbc8 LP |
267 | |
268 | if (!(c->mask & SD_BUS_CREDS_PID)) | |
269 | return -ENODATA; | |
5b12334d LP |
270 | |
271 | assert(c->pid > 0); | |
272 | *pid = c->pid; | |
273 | return 0; | |
274 | } | |
275 | ||
276 | _public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) { | |
277 | assert_return(c, -EINVAL); | |
278 | assert_return(tid, -EINVAL); | |
6a4abbc8 LP |
279 | |
280 | if (!(c->mask & SD_BUS_CREDS_TID)) | |
281 | return -ENODATA; | |
5b12334d LP |
282 | |
283 | assert(c->tid > 0); | |
284 | *tid = c->tid; | |
285 | return 0; | |
286 | } | |
287 | ||
288 | _public_ int sd_bus_creds_get_pid_starttime(sd_bus_creds *c, uint64_t *usec) { | |
289 | assert_return(c, -EINVAL); | |
290 | assert_return(usec, -EINVAL); | |
6a4abbc8 LP |
291 | |
292 | if (!(c->mask & SD_BUS_CREDS_PID_STARTTIME)) | |
293 | return -ENODATA; | |
5b12334d LP |
294 | |
295 | assert(c->pid_starttime > 0); | |
296 | *usec = c->pid_starttime; | |
297 | return 0; | |
298 | } | |
299 | ||
300 | _public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) { | |
301 | assert_return(c, -EINVAL); | |
6a4abbc8 LP |
302 | |
303 | if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) | |
304 | return -ENODATA; | |
5b12334d LP |
305 | |
306 | assert(c->label); | |
307 | *ret = c->label; | |
308 | return 0; | |
309 | } | |
310 | ||
311 | _public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) { | |
312 | assert_return(c, -EINVAL); | |
313 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
314 | |
315 | if (!(c->mask & SD_BUS_CREDS_COMM)) | |
316 | return -ENODATA; | |
5b12334d LP |
317 | |
318 | assert(c->comm); | |
319 | *ret = c->comm; | |
320 | return 0; | |
321 | } | |
322 | ||
323 | _public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) { | |
324 | assert_return(c, -EINVAL); | |
325 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
326 | |
327 | if (!(c->mask & SD_BUS_CREDS_TID_COMM)) | |
328 | return -ENODATA; | |
5b12334d LP |
329 | |
330 | assert(c->tid_comm); | |
331 | *ret = c->tid_comm; | |
332 | return 0; | |
333 | } | |
334 | ||
335 | _public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) { | |
336 | assert_return(c, -EINVAL); | |
337 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
338 | |
339 | if (!(c->mask & SD_BUS_CREDS_EXE)) | |
340 | return -ENODATA; | |
5b12334d LP |
341 | |
342 | assert(c->exe); | |
343 | *ret = c->exe; | |
344 | return 0; | |
345 | } | |
346 | ||
347 | _public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) { | |
348 | assert_return(c, -EINVAL); | |
349 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
350 | |
351 | if (!(c->mask & SD_BUS_CREDS_CGROUP)) | |
352 | return -ENODATA; | |
5b12334d LP |
353 | |
354 | assert(c->cgroup); | |
355 | *ret = c->cgroup; | |
356 | return 0; | |
357 | } | |
358 | ||
359 | _public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) { | |
360 | int r; | |
361 | ||
362 | assert_return(c, -EINVAL); | |
363 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
364 | |
365 | if (!(c->mask & SD_BUS_CREDS_UNIT)) | |
366 | return -ENODATA; | |
5b12334d LP |
367 | |
368 | assert(c->cgroup); | |
369 | ||
370 | if (!c->unit) { | |
751bc6ac LP |
371 | const char *shifted; |
372 | ||
373 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
374 | if (r < 0) | |
375 | return r; | |
376 | ||
377 | r = cg_path_get_unit(shifted, (char**) &c->unit); | |
5b12334d LP |
378 | if (r < 0) |
379 | return r; | |
380 | } | |
381 | ||
382 | *ret = c->unit; | |
383 | return 0; | |
384 | } | |
385 | ||
386 | _public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) { | |
387 | int r; | |
388 | ||
389 | assert_return(c, -EINVAL); | |
390 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
391 | |
392 | if (!(c->mask & SD_BUS_CREDS_USER_UNIT)) | |
393 | return -ENODATA; | |
5b12334d LP |
394 | |
395 | assert(c->cgroup); | |
396 | ||
397 | if (!c->user_unit) { | |
751bc6ac LP |
398 | const char *shifted; |
399 | ||
400 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
401 | if (r < 0) | |
402 | return r; | |
403 | ||
404 | r = cg_path_get_user_unit(shifted, (char**) &c->user_unit); | |
5b12334d LP |
405 | if (r < 0) |
406 | return r; | |
407 | } | |
408 | ||
409 | *ret = c->user_unit; | |
410 | return 0; | |
411 | } | |
412 | ||
413 | _public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) { | |
414 | int r; | |
415 | ||
416 | assert_return(c, -EINVAL); | |
417 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
418 | |
419 | if (!(c->mask & SD_BUS_CREDS_SLICE)) | |
420 | return -ENODATA; | |
5b12334d LP |
421 | |
422 | assert(c->cgroup); | |
423 | ||
424 | if (!c->slice) { | |
751bc6ac LP |
425 | const char *shifted; |
426 | ||
427 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
428 | if (r < 0) | |
429 | return r; | |
430 | ||
431 | r = cg_path_get_slice(shifted, (char**) &c->slice); | |
5b12334d LP |
432 | if (r < 0) |
433 | return r; | |
434 | } | |
435 | ||
436 | *ret = c->slice; | |
437 | return 0; | |
438 | } | |
439 | ||
440 | _public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) { | |
441 | int r; | |
442 | ||
443 | assert_return(c, -EINVAL); | |
444 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
445 | |
446 | if (!(c->mask & SD_BUS_CREDS_SESSION)) | |
447 | return -ENODATA; | |
5b12334d LP |
448 | |
449 | assert(c->cgroup); | |
450 | ||
451 | if (!c->session) { | |
751bc6ac LP |
452 | const char *shifted; |
453 | ||
454 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
455 | if (r < 0) | |
456 | return r; | |
457 | ||
458 | r = cg_path_get_session(shifted, (char**) &c->session); | |
5b12334d LP |
459 | if (r < 0) |
460 | return r; | |
461 | } | |
462 | ||
463 | *ret = c->session; | |
464 | return 0; | |
465 | } | |
466 | ||
467 | _public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) { | |
751bc6ac LP |
468 | const char *shifted; |
469 | int r; | |
470 | ||
5b12334d LP |
471 | assert_return(c, -EINVAL); |
472 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
473 | |
474 | if (!(c->mask & SD_BUS_CREDS_OWNER_UID)) | |
475 | return -ENODATA; | |
5b12334d LP |
476 | |
477 | assert(c->cgroup); | |
478 | ||
751bc6ac LP |
479 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); |
480 | if (r < 0) | |
481 | return r; | |
482 | ||
483 | return cg_path_get_owner_uid(shifted, uid); | |
5b12334d LP |
484 | } |
485 | ||
486 | _public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) { | |
5b12334d | 487 | assert_return(c, -EINVAL); |
6a4abbc8 LP |
488 | |
489 | if (!(c->mask & SD_BUS_CREDS_CMDLINE)) | |
490 | return -ENODATA; | |
5b12334d | 491 | |
689bd78d | 492 | assert_return(c->cmdline, -ESRCH); |
5b12334d LP |
493 | assert(c->cmdline); |
494 | ||
49b832c5 LP |
495 | if (!c->cmdline_array) { |
496 | c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size); | |
497 | if (!c->cmdline_array) | |
498 | return -ENOMEM; | |
5b12334d LP |
499 | } |
500 | ||
5b12334d | 501 | *cmdline = c->cmdline_array; |
5b12334d LP |
502 | return 0; |
503 | } | |
504 | ||
505 | _public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) { | |
506 | assert_return(c, -EINVAL); | |
507 | assert_return(sessionid, -EINVAL); | |
6a4abbc8 LP |
508 | |
509 | if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID)) | |
510 | return -ENODATA; | |
5b12334d LP |
511 | |
512 | *sessionid = c->audit_session_id; | |
513 | return 0; | |
514 | } | |
515 | ||
516 | _public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) { | |
517 | assert_return(c, -EINVAL); | |
518 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
519 | |
520 | if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID)) | |
521 | return -ENODATA; | |
5b12334d LP |
522 | |
523 | *uid = c->audit_login_uid; | |
524 | return 0; | |
525 | } | |
526 | ||
49b832c5 LP |
527 | _public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) { |
528 | assert_return(c, -EINVAL); | |
529 | assert_return(unique_name, -EINVAL); | |
6a4abbc8 LP |
530 | |
531 | if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME)) | |
532 | return -ENODATA; | |
49b832c5 LP |
533 | |
534 | *unique_name = c->unique_name; | |
535 | return 0; | |
536 | } | |
537 | ||
538 | _public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) { | |
539 | assert_return(c, -EINVAL); | |
540 | assert_return(well_known_names, -EINVAL); | |
6a4abbc8 LP |
541 | |
542 | if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES)) | |
543 | return -ENODATA; | |
49b832c5 | 544 | |
65dae17a | 545 | *well_known_names = c->well_known_names; |
49b832c5 LP |
546 | return 0; |
547 | } | |
548 | ||
455971c1 | 549 | _public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) { |
cccb0b2c LP |
550 | assert_return(c, -EINVAL); |
551 | assert_return(ret, -EINVAL); | |
552 | ||
455971c1 | 553 | if (!(c->mask & SD_BUS_CREDS_DESCRIPTION)) |
cccb0b2c LP |
554 | return -ENODATA; |
555 | ||
455971c1 | 556 | assert(c->description); |
2578d51e | 557 | |
455971c1 LP |
558 | if (!c->unescaped_description) { |
559 | c->unescaped_description = bus_label_unescape(c->description); | |
560 | if (!c->unescaped_description) | |
2578d51e LP |
561 | return -ENOMEM; |
562 | } | |
563 | ||
455971c1 | 564 | *ret = c->unescaped_description; |
cccb0b2c LP |
565 | return 0; |
566 | } | |
567 | ||
5b12334d LP |
568 | static int has_cap(sd_bus_creds *c, unsigned offset, int capability) { |
569 | size_t sz; | |
570 | ||
571 | assert(c); | |
572 | assert(c->capability); | |
573 | ||
574 | sz = c->capability_size / 4; | |
575 | if ((size_t) capability >= sz*8) | |
576 | return 0; | |
577 | ||
578 | return !!(c->capability[offset * sz + (capability / 8)] & (1 << (capability % 8))); | |
579 | } | |
580 | ||
581 | _public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) { | |
582 | assert_return(c, -EINVAL); | |
583 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
584 | |
585 | if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS)) | |
586 | return -ENODATA; | |
5b12334d LP |
587 | |
588 | return has_cap(c, CAP_OFFSET_EFFECTIVE, capability); | |
589 | } | |
590 | ||
591 | _public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) { | |
592 | assert_return(c, -EINVAL); | |
593 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
594 | |
595 | if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS)) | |
596 | return -ENODATA; | |
5b12334d LP |
597 | |
598 | return has_cap(c, CAP_OFFSET_PERMITTED, capability); | |
599 | } | |
600 | ||
601 | _public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) { | |
602 | assert_return(c, -EINVAL); | |
603 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
604 | |
605 | if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS)) | |
606 | return -ENODATA; | |
5b12334d LP |
607 | |
608 | return has_cap(c, CAP_OFFSET_INHERITABLE, capability); | |
609 | } | |
610 | ||
611 | _public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) { | |
612 | assert_return(c, -EINVAL); | |
613 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
614 | |
615 | if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS)) | |
616 | return -ENODATA; | |
5b12334d LP |
617 | |
618 | return has_cap(c, CAP_OFFSET_BOUNDING, capability); | |
619 | } | |
620 | ||
621 | static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) { | |
622 | size_t sz; | |
623 | unsigned i; | |
624 | ||
625 | assert(c); | |
626 | assert(p); | |
627 | ||
628 | p += strspn(p, WHITESPACE); | |
629 | ||
630 | sz = strlen(p); | |
631 | if (sz % 2 != 0) | |
632 | return -EINVAL; | |
633 | ||
634 | sz /= 2; | |
635 | if (!c->capability) { | |
636 | c->capability = new0(uint8_t, sz * 4); | |
637 | if (!c->capability) | |
638 | return -ENOMEM; | |
639 | ||
640 | c->capability_size = sz * 4; | |
641 | } | |
642 | ||
643 | for (i = 0; i < sz; i ++) { | |
644 | int x, y; | |
645 | ||
646 | x = unhexchar(p[i*2]); | |
647 | y = unhexchar(p[i*2+1]); | |
648 | ||
649 | if (x < 0 || y < 0) | |
650 | return -EINVAL; | |
651 | ||
652 | c->capability[offset * sz + (sz - i - 1)] = (uint8_t) x << 4 | (uint8_t) y; | |
653 | } | |
654 | ||
655 | return 0; | |
656 | } | |
657 | ||
658 | int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) { | |
659 | uint64_t missing; | |
660 | int r; | |
661 | ||
662 | assert(c); | |
663 | assert(c->allocated); | |
664 | ||
705a415f LP |
665 | if (!(mask & SD_BUS_CREDS_AUGMENT)) |
666 | return 0; | |
667 | ||
5b12334d LP |
668 | missing = mask & ~c->mask; |
669 | if (missing == 0) | |
670 | return 0; | |
671 | ||
672 | /* Try to retrieve PID from creds if it wasn't passed to us */ | |
673 | if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID)) | |
674 | pid = c->pid; | |
675 | ||
676 | if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID)) | |
677 | tid = c->pid; | |
678 | ||
679 | /* Without pid we cannot do much... */ | |
680 | if (pid <= 0) | |
681 | return 0; | |
682 | ||
705a415f LP |
683 | if (pid > 0) { |
684 | c->pid = pid; | |
685 | c->mask |= SD_BUS_CREDS_PID; | |
686 | } | |
687 | ||
688 | if (tid > 0) { | |
689 | c->tid = tid; | |
690 | c->mask |= SD_BUS_CREDS_TID; | |
691 | } | |
692 | ||
693 | if (missing & (SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_SUID | SD_BUS_CREDS_FSUID | | |
694 | SD_BUS_CREDS_GID | SD_BUS_CREDS_EGID | SD_BUS_CREDS_SGID | SD_BUS_CREDS_FSGID | | |
02581590 | 695 | SD_BUS_CREDS_SUPPLEMENTARY_GIDS | |
5b12334d LP |
696 | SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS | |
697 | SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) { | |
698 | ||
699 | _cleanup_fclose_ FILE *f = NULL; | |
5b12334d LP |
700 | const char *p; |
701 | ||
702 | p = procfs_file_alloca(pid, "status"); | |
703 | ||
704 | f = fopen(p, "re"); | |
705a415f LP |
705 | if (!f) { |
706 | if (errno == ENOENT) | |
707 | return -ESRCH; | |
708 | else if (errno != EPERM && errno != EACCES) | |
709 | return -errno; | |
710 | } else { | |
711 | char line[LINE_MAX]; | |
712 | ||
713 | FOREACH_LINE(line, f, return -errno) { | |
714 | truncate_nl(line); | |
715 | ||
716 | if (missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID)) { | |
717 | p = startswith(line, "Uid:"); | |
718 | if (p) { | |
719 | unsigned long uid, euid, suid, fsuid; | |
720 | ||
721 | p += strspn(p, WHITESPACE); | |
722 | if (sscanf(p, "%lu %lu %lu %lu", &uid, &euid, &suid, &fsuid) != 4) | |
723 | return -EIO; | |
724 | ||
725 | c->uid = (uid_t) uid; | |
726 | c->euid = (uid_t) euid; | |
727 | c->suid = (uid_t) suid; | |
728 | c->fsuid = (uid_t) fsuid; | |
729 | c->mask |= missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID); | |
730 | continue; | |
731 | } | |
5b12334d | 732 | } |
5b12334d | 733 | |
705a415f LP |
734 | if (missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID)) { |
735 | p = startswith(line, "Gid:"); | |
736 | if (p) { | |
737 | unsigned long gid, egid, sgid, fsgid; | |
738 | ||
739 | p += strspn(p, WHITESPACE); | |
740 | if (sscanf(p, "%lu %lu %lu %lu", &gid, &egid, &sgid, &fsgid) != 4) | |
741 | return -EIO; | |
742 | ||
743 | c->gid = (gid_t) gid; | |
744 | c->egid = (gid_t) egid; | |
745 | c->sgid = (gid_t) sgid; | |
746 | c->fsgid = (gid_t) fsgid; | |
747 | c->mask |= missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID); | |
748 | continue; | |
749 | } | |
5b12334d | 750 | } |
5b12334d | 751 | |
02581590 LP |
752 | if (missing & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
753 | p = startswith(line, "Groups:"); | |
754 | if (p) { | |
755 | size_t allocated = 0; | |
756 | ||
757 | for (;;) { | |
758 | unsigned long g; | |
759 | int n = 0; | |
760 | ||
761 | p += strspn(p, WHITESPACE); | |
762 | if (*p == 0) | |
763 | break; | |
764 | ||
765 | if (sscanf(p, "%lu%n", &g, &n) != 1) | |
766 | return -EIO; | |
767 | ||
768 | if (!GREEDY_REALLOC(c->supplementary_gids, allocated, c->n_supplementary_gids+1)) | |
769 | return -ENOMEM; | |
770 | ||
771 | c->supplementary_gids[c->n_supplementary_gids++] = (gid_t) g; | |
772 | p += n; | |
773 | } | |
774 | ||
775 | c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
776 | continue; | |
777 | } | |
778 | } | |
779 | ||
705a415f LP |
780 | if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) { |
781 | p = startswith(line, "CapEff:"); | |
782 | if (p) { | |
783 | r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p); | |
784 | if (r < 0) | |
785 | return r; | |
5b12334d | 786 | |
705a415f LP |
787 | c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS; |
788 | continue; | |
789 | } | |
5b12334d | 790 | } |
5b12334d | 791 | |
705a415f LP |
792 | if (missing & SD_BUS_CREDS_PERMITTED_CAPS) { |
793 | p = startswith(line, "CapPrm:"); | |
794 | if (p) { | |
795 | r = parse_caps(c, CAP_OFFSET_PERMITTED, p); | |
796 | if (r < 0) | |
797 | return r; | |
5b12334d | 798 | |
705a415f LP |
799 | c->mask |= SD_BUS_CREDS_PERMITTED_CAPS; |
800 | continue; | |
801 | } | |
5b12334d | 802 | } |
5b12334d | 803 | |
705a415f LP |
804 | if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) { |
805 | p = startswith(line, "CapInh:"); | |
806 | if (p) { | |
807 | r = parse_caps(c, CAP_OFFSET_INHERITABLE, p); | |
808 | if (r < 0) | |
809 | return r; | |
5b12334d | 810 | |
705a415f LP |
811 | c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS; |
812 | continue; | |
813 | } | |
5b12334d | 814 | } |
5b12334d | 815 | |
705a415f LP |
816 | if (missing & SD_BUS_CREDS_BOUNDING_CAPS) { |
817 | p = startswith(line, "CapBnd:"); | |
818 | if (p) { | |
819 | r = parse_caps(c, CAP_OFFSET_BOUNDING, p); | |
820 | if (r < 0) | |
821 | return r; | |
5b12334d | 822 | |
705a415f LP |
823 | c->mask |= SD_BUS_CREDS_BOUNDING_CAPS; |
824 | continue; | |
825 | } | |
5b12334d LP |
826 | } |
827 | } | |
828 | } | |
829 | } | |
830 | ||
831 | if (missing & (SD_BUS_CREDS_PID_STARTTIME)) { | |
832 | unsigned long long st; | |
833 | ||
834 | r = get_starttime_of_pid(pid, &st); | |
705a415f LP |
835 | if (r < 0) { |
836 | if (r != -EPERM && r != -EACCES) | |
837 | return r; | |
838 | } else { | |
839 | c->pid_starttime = ((usec_t) st * USEC_PER_SEC) / (usec_t) sysconf(_SC_CLK_TCK); | |
840 | c->mask |= SD_BUS_CREDS_PID_STARTTIME; | |
841 | } | |
5b12334d LP |
842 | } |
843 | ||
844 | if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) { | |
845 | const char *p; | |
846 | ||
847 | p = procfs_file_alloca(pid, "attr/current"); | |
848 | r = read_one_line_file(p, &c->label); | |
705a415f LP |
849 | if (r < 0) { |
850 | if (r != -ENOENT && r != -EINVAL && r != -EPERM && r != -EACCES) | |
851 | return r; | |
852 | } else | |
5b12334d LP |
853 | c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; |
854 | } | |
855 | ||
856 | if (missing & SD_BUS_CREDS_COMM) { | |
857 | r = get_process_comm(pid, &c->comm); | |
705a415f LP |
858 | if (r < 0) { |
859 | if (r != -EPERM && r != -EACCES) | |
860 | return r; | |
861 | } else | |
862 | c->mask |= SD_BUS_CREDS_COMM; | |
5b12334d LP |
863 | } |
864 | ||
865 | if (missing & SD_BUS_CREDS_EXE) { | |
866 | r = get_process_exe(pid, &c->exe); | |
705a415f LP |
867 | if (r < 0) { |
868 | if (r != -EPERM && r != -EACCES) | |
869 | return r; | |
870 | } else | |
871 | c->mask |= SD_BUS_CREDS_EXE; | |
5b12334d LP |
872 | } |
873 | ||
874 | if (missing & SD_BUS_CREDS_CMDLINE) { | |
875 | const char *p; | |
876 | ||
877 | p = procfs_file_alloca(pid, "cmdline"); | |
49b832c5 | 878 | r = read_full_file(p, &c->cmdline, &c->cmdline_size); |
705a415f LP |
879 | if (r < 0) { |
880 | if (r == -ENOENT) | |
881 | return -ESRCH; | |
882 | if (r != -EPERM && r != -EACCES) | |
883 | return r; | |
884 | } else { | |
885 | if (c->cmdline_size == 0) { | |
886 | free(c->cmdline); | |
887 | c->cmdline = NULL; | |
888 | } else | |
889 | c->mask |= SD_BUS_CREDS_CMDLINE; | |
890 | } | |
5b12334d LP |
891 | } |
892 | ||
893 | if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) { | |
894 | _cleanup_free_ char *p = NULL; | |
895 | ||
de0671ee | 896 | if (asprintf(&p, "/proc/"PID_FMT"/task/"PID_FMT"/comm", pid, tid) < 0) |
5b12334d LP |
897 | return -ENOMEM; |
898 | ||
899 | r = read_one_line_file(p, &c->tid_comm); | |
705a415f LP |
900 | if (r < 0) { |
901 | if (r == -ENOENT) | |
902 | return -ESRCH; | |
903 | if (r != -EPERM && r != -EACCES) | |
904 | return r; | |
905 | } else | |
906 | c->mask |= SD_BUS_CREDS_TID_COMM; | |
5b12334d LP |
907 | } |
908 | ||
909 | if (missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID)) { | |
910 | ||
911 | r = cg_pid_get_path(NULL, pid, &c->cgroup); | |
705a415f LP |
912 | if (r < 0) { |
913 | if (r != -EPERM && r != -EACCES) | |
914 | return r; | |
915 | } else { | |
916 | r = cg_get_root_path(&c->cgroup_root); | |
917 | if (r < 0) | |
918 | return r; | |
919 | ||
920 | c->mask |= missing & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_OWNER_UID); | |
921 | } | |
5b12334d LP |
922 | } |
923 | ||
924 | if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
925 | r = audit_session_from_pid(pid, &c->audit_session_id); | |
705a415f LP |
926 | if (r < 0) { |
927 | if (r != -ENOTSUP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) | |
928 | return r; | |
929 | } else | |
5b12334d LP |
930 | c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; |
931 | } | |
932 | ||
933 | if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
934 | r = audit_loginuid_from_pid(pid, &c->audit_login_uid); | |
705a415f LP |
935 | if (r < 0) { |
936 | if (r != -ENOTSUP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) | |
937 | return r; | |
938 | } else | |
5b12334d LP |
939 | c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; |
940 | } | |
941 | ||
942 | return 0; | |
943 | } | |
944 | ||
49b832c5 | 945 | int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) { |
5b12334d LP |
946 | _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL; |
947 | int r; | |
948 | ||
49b832c5 LP |
949 | assert(c); |
950 | assert(ret); | |
5b12334d | 951 | |
705a415f LP |
952 | if ((mask & ~c->mask) == 0 || (!(mask & SD_BUS_CREDS_AUGMENT))) { |
953 | /* There's already all data we need, or augmentation | |
954 | * wasn't turned on. */ | |
5b12334d LP |
955 | |
956 | *ret = sd_bus_creds_ref(c); | |
957 | return 0; | |
958 | } | |
959 | ||
960 | n = bus_creds_new(); | |
961 | if (!n) | |
962 | return -ENOMEM; | |
963 | ||
964 | /* Copy the original data over */ | |
965 | ||
966 | if (c->mask & mask & SD_BUS_CREDS_UID) { | |
967 | n->uid = c->uid; | |
968 | n->mask |= SD_BUS_CREDS_UID; | |
969 | } | |
970 | ||
705a415f LP |
971 | if (c->mask & mask & SD_BUS_CREDS_EUID) { |
972 | n->euid = c->euid; | |
973 | n->mask |= SD_BUS_CREDS_EUID; | |
974 | } | |
975 | ||
976 | if (c->mask & mask & SD_BUS_CREDS_SUID) { | |
977 | n->suid = c->suid; | |
978 | n->mask |= SD_BUS_CREDS_SUID; | |
979 | } | |
980 | ||
981 | if (c->mask & mask & SD_BUS_CREDS_FSUID) { | |
982 | n->fsuid = c->fsuid; | |
983 | n->mask |= SD_BUS_CREDS_FSUID; | |
984 | } | |
985 | ||
5b12334d LP |
986 | if (c->mask & mask & SD_BUS_CREDS_GID) { |
987 | n->gid = c->gid; | |
988 | n->mask |= SD_BUS_CREDS_GID; | |
989 | } | |
990 | ||
705a415f LP |
991 | if (c->mask & mask & SD_BUS_CREDS_EGID) { |
992 | n->egid = c->egid; | |
993 | n->mask |= SD_BUS_CREDS_EGID; | |
994 | } | |
995 | ||
996 | if (c->mask & mask & SD_BUS_CREDS_SGID) { | |
997 | n->sgid = c->sgid; | |
998 | n->mask |= SD_BUS_CREDS_SGID; | |
999 | } | |
1000 | ||
1001 | if (c->mask & mask & SD_BUS_CREDS_FSGID) { | |
1002 | n->fsgid = c->fsgid; | |
1003 | n->mask |= SD_BUS_CREDS_FSGID; | |
1004 | } | |
1005 | ||
02581590 LP |
1006 | if (c->mask & mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
1007 | n->supplementary_gids = newdup(gid_t, c->supplementary_gids, c->n_supplementary_gids); | |
1008 | if (!n->supplementary_gids) | |
1009 | return -ENOMEM; | |
1010 | n->n_supplementary_gids = c->n_supplementary_gids; | |
1011 | n->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
1012 | } | |
1013 | ||
5b12334d LP |
1014 | if (c->mask & mask & SD_BUS_CREDS_PID) { |
1015 | n->pid = c->pid; | |
1016 | n->mask |= SD_BUS_CREDS_PID; | |
1017 | } | |
1018 | ||
1019 | if (c->mask & mask & SD_BUS_CREDS_TID) { | |
1020 | n->tid = c->tid; | |
1021 | n->mask |= SD_BUS_CREDS_TID; | |
1022 | } | |
1023 | ||
1024 | if (c->mask & mask & SD_BUS_CREDS_PID_STARTTIME) { | |
1025 | n->pid_starttime = c->pid_starttime; | |
1026 | n->mask |= SD_BUS_CREDS_PID_STARTTIME; | |
1027 | } | |
1028 | ||
1029 | if (c->mask & mask & SD_BUS_CREDS_COMM) { | |
1030 | n->comm = strdup(c->comm); | |
1031 | if (!n->comm) | |
1032 | return -ENOMEM; | |
1033 | ||
1034 | n->mask |= SD_BUS_CREDS_COMM; | |
1035 | } | |
1036 | ||
1037 | if (c->mask & mask & SD_BUS_CREDS_TID_COMM) { | |
1038 | n->tid_comm = strdup(c->tid_comm); | |
1039 | if (!n->tid_comm) | |
1040 | return -ENOMEM; | |
1041 | ||
1042 | n->mask |= SD_BUS_CREDS_TID_COMM; | |
1043 | } | |
1044 | ||
1045 | if (c->mask & mask & SD_BUS_CREDS_EXE) { | |
1046 | n->exe = strdup(c->exe); | |
1047 | if (!n->exe) | |
1048 | return -ENOMEM; | |
1049 | ||
1050 | n->mask |= SD_BUS_CREDS_EXE; | |
1051 | } | |
1052 | ||
1053 | if (c->mask & mask & SD_BUS_CREDS_CMDLINE) { | |
49b832c5 | 1054 | n->cmdline = memdup(c->cmdline, c->cmdline_size); |
5b12334d LP |
1055 | if (!n->cmdline) |
1056 | return -ENOMEM; | |
1057 | ||
49b832c5 | 1058 | n->cmdline_size = c->cmdline_size; |
5b12334d LP |
1059 | n->mask |= SD_BUS_CREDS_CMDLINE; |
1060 | } | |
1061 | ||
1062 | if (c->mask & mask & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_OWNER_UID)) { | |
1063 | n->cgroup = strdup(c->cgroup); | |
1064 | if (!n->cgroup) | |
1065 | return -ENOMEM; | |
1066 | ||
751bc6ac LP |
1067 | n->cgroup_root = strdup(c->cgroup_root); |
1068 | if (!n->cgroup_root) | |
1069 | return -ENOMEM; | |
1070 | ||
5b12334d LP |
1071 | n->mask |= mask & (SD_BUS_CREDS_CGROUP|SD_BUS_CREDS_SESSION|SD_BUS_CREDS_UNIT|SD_BUS_CREDS_USER_UNIT|SD_BUS_CREDS_SLICE|SD_BUS_CREDS_OWNER_UID); |
1072 | } | |
1073 | ||
1074 | if (c->mask & mask & (SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS)) { | |
1075 | n->capability = memdup(c->capability, c->capability_size); | |
1076 | if (!n->capability) | |
1077 | return -ENOMEM; | |
1078 | ||
1079 | n->capability_size = c->capability_size; | |
1080 | n->mask |= c->mask & mask & (SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS); | |
1081 | } | |
1082 | ||
1083 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
1084 | n->audit_session_id = c->audit_session_id; | |
1085 | n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; | |
1086 | } | |
1087 | ||
1088 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
1089 | n->audit_login_uid = c->audit_login_uid; | |
1090 | n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; | |
1091 | } | |
1092 | ||
49b832c5 LP |
1093 | if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) { |
1094 | n->unique_name = strdup(c->unique_name); | |
1095 | if (!n->unique_name) | |
1096 | return -ENOMEM; | |
1097 | } | |
1098 | ||
1099 | if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) { | |
65dae17a | 1100 | n->well_known_names = strv_copy(c->well_known_names); |
49b832c5 LP |
1101 | if (!n->well_known_names) |
1102 | return -ENOMEM; | |
49b832c5 LP |
1103 | } |
1104 | ||
5b12334d LP |
1105 | /* Get more data */ |
1106 | ||
1107 | r = bus_creds_add_more(n, mask, | |
1108 | c->mask & SD_BUS_CREDS_PID ? c->pid : 0, | |
1109 | c->mask & SD_BUS_CREDS_TID ? c->tid : 0); | |
1110 | if (r < 0) | |
1111 | return r; | |
1112 | ||
1113 | *ret = n; | |
1114 | n = NULL; | |
1115 | return 0; | |
1116 | } |