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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" | |
34a5d5e5 | 25 | #include "capability.h" |
5b12334d LP |
26 | #include "cgroup-util.h" |
27 | #include "fileio.h" | |
28 | #include "audit.h" | |
29 | #include "bus-message.h" | |
30 | #include "bus-util.h" | |
31 | #include "time-util.h" | |
49b832c5 | 32 | #include "strv.h" |
5b12334d | 33 | #include "bus-creds.h" |
a6278b88 | 34 | #include "bus-label.h" |
5b12334d LP |
35 | |
36 | enum { | |
37 | CAP_OFFSET_INHERITABLE = 0, | |
38 | CAP_OFFSET_PERMITTED = 1, | |
39 | CAP_OFFSET_EFFECTIVE = 2, | |
40 | CAP_OFFSET_BOUNDING = 3 | |
41 | }; | |
42 | ||
43 | void bus_creds_done(sd_bus_creds *c) { | |
44 | assert(c); | |
45 | ||
46 | /* For internal bus cred structures that are allocated by | |
47 | * something else */ | |
48 | ||
49 | free(c->session); | |
50 | free(c->unit); | |
51 | free(c->user_unit); | |
52 | free(c->slice); | |
455971c1 | 53 | free(c->unescaped_description); |
5b12334d | 54 | |
50c45216 LP |
55 | free(c->well_known_names); /* note that this is an strv, but |
56 | * we only free the array, not the | |
57 | * strings the array points to. The | |
58 | * full strv we only free if | |
59 | * c->allocated is set, see | |
60 | * below. */ | |
61 | ||
49b832c5 | 62 | strv_free(c->cmdline_array); |
5b12334d LP |
63 | } |
64 | ||
65 | _public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) { | |
66 | assert_return(c, NULL); | |
67 | ||
68 | if (c->allocated) { | |
69 | assert(c->n_ref > 0); | |
70 | c->n_ref++; | |
71 | } else { | |
72 | sd_bus_message *m; | |
73 | ||
74 | /* If this is an embedded creds structure, then | |
75 | * forward ref counting to the message */ | |
76 | m = container_of(c, sd_bus_message, creds); | |
77 | sd_bus_message_ref(m); | |
78 | } | |
79 | ||
80 | return c; | |
81 | } | |
82 | ||
83 | _public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) { | |
5b1bc83f LP |
84 | |
85 | if (!c) | |
86 | return NULL; | |
5b12334d LP |
87 | |
88 | if (c->allocated) { | |
89 | assert(c->n_ref > 0); | |
90 | c->n_ref--; | |
91 | ||
92 | if (c->n_ref == 0) { | |
5b12334d LP |
93 | free(c->comm); |
94 | free(c->tid_comm); | |
95 | free(c->exe); | |
96 | free(c->cmdline); | |
97 | free(c->cgroup); | |
98 | free(c->capability); | |
99 | free(c->label); | |
49b832c5 | 100 | free(c->unique_name); |
751bc6ac | 101 | free(c->cgroup_root); |
455971c1 | 102 | free(c->description); |
e12d81ae | 103 | free(c->supplementary_gids); |
50c45216 LP |
104 | |
105 | strv_free(c->well_known_names); | |
106 | c->well_known_names = NULL; | |
107 | ||
108 | bus_creds_done(c); | |
109 | ||
5b12334d LP |
110 | free(c); |
111 | } | |
112 | } else { | |
113 | sd_bus_message *m; | |
114 | ||
115 | m = container_of(c, sd_bus_message, creds); | |
116 | sd_bus_message_unref(m); | |
117 | } | |
118 | ||
119 | ||
120 | return NULL; | |
121 | } | |
122 | ||
4cf8496d | 123 | _public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) { |
5b12334d LP |
124 | assert_return(c, 0); |
125 | ||
126 | return c->mask; | |
127 | } | |
128 | ||
129 | sd_bus_creds* bus_creds_new(void) { | |
130 | sd_bus_creds *c; | |
131 | ||
132 | c = new0(sd_bus_creds, 1); | |
133 | if (!c) | |
134 | return NULL; | |
135 | ||
136 | c->allocated = true; | |
137 | c->n_ref = 1; | |
138 | return c; | |
139 | } | |
140 | ||
151b9b96 | 141 | _public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) { |
5b12334d LP |
142 | sd_bus_creds *c; |
143 | int r; | |
144 | ||
145 | assert_return(pid >= 0, -EINVAL); | |
95c4fe82 | 146 | assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP); |
5b12334d LP |
147 | assert_return(ret, -EINVAL); |
148 | ||
149 | if (pid == 0) | |
150 | pid = getpid(); | |
151 | ||
152 | c = bus_creds_new(); | |
153 | if (!c) | |
154 | return -ENOMEM; | |
155 | ||
705a415f | 156 | r = bus_creds_add_more(c, mask | SD_BUS_CREDS_AUGMENT, pid, 0); |
5b12334d | 157 | if (r < 0) { |
0349c608 | 158 | sd_bus_creds_unref(c); |
5b12334d LP |
159 | return r; |
160 | } | |
161 | ||
162 | /* Check if the process existed at all, in case we haven't | |
163 | * figured that out already */ | |
9f5650ae | 164 | if (!pid_is_alive(pid)) { |
5b12334d LP |
165 | sd_bus_creds_unref(c); |
166 | return -ESRCH; | |
167 | } | |
168 | ||
169 | *ret = c; | |
170 | return 0; | |
171 | } | |
172 | ||
173 | _public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) { | |
174 | assert_return(c, -EINVAL); | |
175 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
176 | |
177 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
178 | return -ENODATA; | |
5b12334d LP |
179 | |
180 | *uid = c->uid; | |
181 | return 0; | |
182 | } | |
183 | ||
705a415f LP |
184 | _public_ int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid) { |
185 | assert_return(c, -EINVAL); | |
186 | assert_return(euid, -EINVAL); | |
187 | ||
188 | if (!(c->mask & SD_BUS_CREDS_EUID)) | |
189 | return -ENODATA; | |
190 | ||
191 | *euid = c->euid; | |
192 | return 0; | |
193 | } | |
194 | ||
195 | _public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) { | |
196 | assert_return(c, -EINVAL); | |
197 | assert_return(suid, -EINVAL); | |
198 | ||
199 | if (!(c->mask & SD_BUS_CREDS_SUID)) | |
200 | return -ENODATA; | |
201 | ||
202 | *suid = c->suid; | |
203 | return 0; | |
204 | } | |
205 | ||
206 | ||
207 | _public_ int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid) { | |
208 | assert_return(c, -EINVAL); | |
209 | assert_return(fsuid, -EINVAL); | |
210 | ||
211 | if (!(c->mask & SD_BUS_CREDS_FSUID)) | |
212 | return -ENODATA; | |
213 | ||
214 | *fsuid = c->fsuid; | |
215 | return 0; | |
216 | } | |
217 | ||
5b12334d LP |
218 | _public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) { |
219 | assert_return(c, -EINVAL); | |
220 | assert_return(gid, -EINVAL); | |
6a4abbc8 LP |
221 | |
222 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
223 | return -ENODATA; | |
5b12334d LP |
224 | |
225 | *gid = c->gid; | |
226 | return 0; | |
227 | } | |
228 | ||
705a415f LP |
229 | |
230 | _public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) { | |
231 | assert_return(c, -EINVAL); | |
232 | assert_return(egid, -EINVAL); | |
233 | ||
234 | if (!(c->mask & SD_BUS_CREDS_EGID)) | |
235 | return -ENODATA; | |
236 | ||
237 | *egid = c->egid; | |
238 | return 0; | |
239 | } | |
240 | ||
241 | _public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) { | |
242 | assert_return(c, -EINVAL); | |
243 | assert_return(sgid, -EINVAL); | |
244 | ||
245 | if (!(c->mask & SD_BUS_CREDS_SGID)) | |
246 | return -ENODATA; | |
247 | ||
248 | *sgid = c->sgid; | |
249 | return 0; | |
250 | } | |
251 | ||
705a415f LP |
252 | _public_ int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid) { |
253 | assert_return(c, -EINVAL); | |
254 | assert_return(fsgid, -EINVAL); | |
255 | ||
256 | if (!(c->mask & SD_BUS_CREDS_FSGID)) | |
257 | return -ENODATA; | |
258 | ||
259 | *fsgid = c->fsgid; | |
260 | return 0; | |
261 | } | |
262 | ||
02581590 LP |
263 | _public_ int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids) { |
264 | assert_return(c, -EINVAL); | |
265 | assert_return(gids, -EINVAL); | |
266 | ||
267 | if (!(c->mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS)) | |
268 | return -ENODATA; | |
269 | ||
270 | *gids = c->supplementary_gids; | |
271 | return (int) c->n_supplementary_gids; | |
272 | } | |
273 | ||
5b12334d LP |
274 | _public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) { |
275 | assert_return(c, -EINVAL); | |
276 | assert_return(pid, -EINVAL); | |
6a4abbc8 LP |
277 | |
278 | if (!(c->mask & SD_BUS_CREDS_PID)) | |
279 | return -ENODATA; | |
5b12334d LP |
280 | |
281 | assert(c->pid > 0); | |
282 | *pid = c->pid; | |
283 | return 0; | |
284 | } | |
285 | ||
286 | _public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) { | |
287 | assert_return(c, -EINVAL); | |
288 | assert_return(tid, -EINVAL); | |
6a4abbc8 LP |
289 | |
290 | if (!(c->mask & SD_BUS_CREDS_TID)) | |
291 | return -ENODATA; | |
5b12334d LP |
292 | |
293 | assert(c->tid > 0); | |
294 | *tid = c->tid; | |
295 | return 0; | |
296 | } | |
297 | ||
5b12334d LP |
298 | _public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) { |
299 | assert_return(c, -EINVAL); | |
6a4abbc8 LP |
300 | |
301 | if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) | |
302 | return -ENODATA; | |
5b12334d LP |
303 | |
304 | assert(c->label); | |
305 | *ret = c->label; | |
306 | return 0; | |
307 | } | |
308 | ||
309 | _public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) { | |
310 | assert_return(c, -EINVAL); | |
311 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
312 | |
313 | if (!(c->mask & SD_BUS_CREDS_COMM)) | |
314 | return -ENODATA; | |
5b12334d LP |
315 | |
316 | assert(c->comm); | |
317 | *ret = c->comm; | |
318 | return 0; | |
319 | } | |
320 | ||
321 | _public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) { | |
322 | assert_return(c, -EINVAL); | |
323 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
324 | |
325 | if (!(c->mask & SD_BUS_CREDS_TID_COMM)) | |
326 | return -ENODATA; | |
5b12334d LP |
327 | |
328 | assert(c->tid_comm); | |
329 | *ret = c->tid_comm; | |
330 | return 0; | |
331 | } | |
332 | ||
333 | _public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) { | |
334 | assert_return(c, -EINVAL); | |
335 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
336 | |
337 | if (!(c->mask & SD_BUS_CREDS_EXE)) | |
338 | return -ENODATA; | |
5b12334d LP |
339 | |
340 | assert(c->exe); | |
341 | *ret = c->exe; | |
342 | return 0; | |
343 | } | |
344 | ||
345 | _public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) { | |
346 | assert_return(c, -EINVAL); | |
347 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
348 | |
349 | if (!(c->mask & SD_BUS_CREDS_CGROUP)) | |
350 | return -ENODATA; | |
5b12334d LP |
351 | |
352 | assert(c->cgroup); | |
353 | *ret = c->cgroup; | |
354 | return 0; | |
355 | } | |
356 | ||
357 | _public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) { | |
358 | int r; | |
359 | ||
360 | assert_return(c, -EINVAL); | |
361 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
362 | |
363 | if (!(c->mask & SD_BUS_CREDS_UNIT)) | |
364 | return -ENODATA; | |
5b12334d LP |
365 | |
366 | assert(c->cgroup); | |
367 | ||
368 | if (!c->unit) { | |
751bc6ac LP |
369 | const char *shifted; |
370 | ||
371 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
372 | if (r < 0) | |
373 | return r; | |
374 | ||
375 | r = cg_path_get_unit(shifted, (char**) &c->unit); | |
5b12334d LP |
376 | if (r < 0) |
377 | return r; | |
378 | } | |
379 | ||
380 | *ret = c->unit; | |
381 | return 0; | |
382 | } | |
383 | ||
384 | _public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) { | |
385 | int r; | |
386 | ||
387 | assert_return(c, -EINVAL); | |
388 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
389 | |
390 | if (!(c->mask & SD_BUS_CREDS_USER_UNIT)) | |
391 | return -ENODATA; | |
5b12334d LP |
392 | |
393 | assert(c->cgroup); | |
394 | ||
395 | if (!c->user_unit) { | |
751bc6ac LP |
396 | const char *shifted; |
397 | ||
398 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
399 | if (r < 0) | |
400 | return r; | |
401 | ||
402 | r = cg_path_get_user_unit(shifted, (char**) &c->user_unit); | |
5b12334d LP |
403 | if (r < 0) |
404 | return r; | |
405 | } | |
406 | ||
407 | *ret = c->user_unit; | |
408 | return 0; | |
409 | } | |
410 | ||
411 | _public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) { | |
412 | int r; | |
413 | ||
414 | assert_return(c, -EINVAL); | |
415 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
416 | |
417 | if (!(c->mask & SD_BUS_CREDS_SLICE)) | |
418 | return -ENODATA; | |
5b12334d LP |
419 | |
420 | assert(c->cgroup); | |
421 | ||
422 | if (!c->slice) { | |
751bc6ac LP |
423 | const char *shifted; |
424 | ||
425 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
426 | if (r < 0) | |
427 | return r; | |
428 | ||
429 | r = cg_path_get_slice(shifted, (char**) &c->slice); | |
5b12334d LP |
430 | if (r < 0) |
431 | return r; | |
432 | } | |
433 | ||
434 | *ret = c->slice; | |
435 | return 0; | |
436 | } | |
437 | ||
438 | _public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) { | |
439 | int r; | |
440 | ||
441 | assert_return(c, -EINVAL); | |
442 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
443 | |
444 | if (!(c->mask & SD_BUS_CREDS_SESSION)) | |
445 | return -ENODATA; | |
5b12334d LP |
446 | |
447 | assert(c->cgroup); | |
448 | ||
449 | if (!c->session) { | |
751bc6ac LP |
450 | const char *shifted; |
451 | ||
452 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
453 | if (r < 0) | |
454 | return r; | |
455 | ||
456 | r = cg_path_get_session(shifted, (char**) &c->session); | |
5b12334d LP |
457 | if (r < 0) |
458 | return r; | |
459 | } | |
460 | ||
461 | *ret = c->session; | |
462 | return 0; | |
463 | } | |
464 | ||
465 | _public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) { | |
751bc6ac LP |
466 | const char *shifted; |
467 | int r; | |
468 | ||
5b12334d LP |
469 | assert_return(c, -EINVAL); |
470 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
471 | |
472 | if (!(c->mask & SD_BUS_CREDS_OWNER_UID)) | |
473 | return -ENODATA; | |
5b12334d LP |
474 | |
475 | assert(c->cgroup); | |
476 | ||
751bc6ac LP |
477 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); |
478 | if (r < 0) | |
479 | return r; | |
480 | ||
481 | return cg_path_get_owner_uid(shifted, uid); | |
5b12334d LP |
482 | } |
483 | ||
484 | _public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) { | |
5b12334d | 485 | assert_return(c, -EINVAL); |
6a4abbc8 LP |
486 | |
487 | if (!(c->mask & SD_BUS_CREDS_CMDLINE)) | |
488 | return -ENODATA; | |
5b12334d | 489 | |
689bd78d | 490 | assert_return(c->cmdline, -ESRCH); |
5b12334d LP |
491 | assert(c->cmdline); |
492 | ||
49b832c5 LP |
493 | if (!c->cmdline_array) { |
494 | c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size); | |
495 | if (!c->cmdline_array) | |
496 | return -ENOMEM; | |
5b12334d LP |
497 | } |
498 | ||
5b12334d | 499 | *cmdline = c->cmdline_array; |
5b12334d LP |
500 | return 0; |
501 | } | |
502 | ||
503 | _public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) { | |
504 | assert_return(c, -EINVAL); | |
505 | assert_return(sessionid, -EINVAL); | |
6a4abbc8 LP |
506 | |
507 | if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID)) | |
508 | return -ENODATA; | |
5b12334d LP |
509 | |
510 | *sessionid = c->audit_session_id; | |
511 | return 0; | |
512 | } | |
513 | ||
514 | _public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) { | |
515 | assert_return(c, -EINVAL); | |
516 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
517 | |
518 | if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID)) | |
519 | return -ENODATA; | |
5b12334d LP |
520 | |
521 | *uid = c->audit_login_uid; | |
522 | return 0; | |
523 | } | |
524 | ||
49b832c5 LP |
525 | _public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) { |
526 | assert_return(c, -EINVAL); | |
527 | assert_return(unique_name, -EINVAL); | |
6a4abbc8 LP |
528 | |
529 | if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME)) | |
530 | return -ENODATA; | |
49b832c5 LP |
531 | |
532 | *unique_name = c->unique_name; | |
533 | return 0; | |
534 | } | |
535 | ||
536 | _public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) { | |
537 | assert_return(c, -EINVAL); | |
538 | assert_return(well_known_names, -EINVAL); | |
6a4abbc8 LP |
539 | |
540 | if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES)) | |
541 | return -ENODATA; | |
49b832c5 | 542 | |
ac653862 LP |
543 | /* As a special hack we return the bus driver as well-known |
544 | * names list when this is requested. */ | |
545 | if (c->well_known_names_driver) { | |
546 | static const char* const wkn[] = { | |
547 | "org.freedesktop.DBus", | |
548 | NULL | |
549 | }; | |
550 | ||
551 | *well_known_names = (char**) wkn; | |
552 | return 0; | |
553 | } | |
554 | ||
fb6d9b77 LP |
555 | if (c->well_known_names_local) { |
556 | static const char* const wkn[] = { | |
557 | "org.freedesktop.DBus.Local", | |
558 | NULL | |
559 | }; | |
560 | ||
561 | *well_known_names = (char**) wkn; | |
562 | return 0; | |
563 | } | |
564 | ||
65dae17a | 565 | *well_known_names = c->well_known_names; |
49b832c5 LP |
566 | return 0; |
567 | } | |
568 | ||
455971c1 | 569 | _public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) { |
cccb0b2c LP |
570 | assert_return(c, -EINVAL); |
571 | assert_return(ret, -EINVAL); | |
572 | ||
455971c1 | 573 | if (!(c->mask & SD_BUS_CREDS_DESCRIPTION)) |
cccb0b2c LP |
574 | return -ENODATA; |
575 | ||
455971c1 | 576 | assert(c->description); |
2578d51e | 577 | |
455971c1 LP |
578 | if (!c->unescaped_description) { |
579 | c->unescaped_description = bus_label_unescape(c->description); | |
580 | if (!c->unescaped_description) | |
2578d51e LP |
581 | return -ENOMEM; |
582 | } | |
583 | ||
455971c1 | 584 | *ret = c->unescaped_description; |
cccb0b2c LP |
585 | return 0; |
586 | } | |
587 | ||
5b12334d LP |
588 | static int has_cap(sd_bus_creds *c, unsigned offset, int capability) { |
589 | size_t sz; | |
590 | ||
591 | assert(c); | |
34a5d5e5 | 592 | assert(capability >= 0); |
5b12334d LP |
593 | assert(c->capability); |
594 | ||
34a5d5e5 DH |
595 | sz = DIV_ROUND_UP(cap_last_cap(), 32U) * 4; |
596 | if ((unsigned)capability > cap_last_cap()) | |
5b12334d LP |
597 | return 0; |
598 | ||
599 | return !!(c->capability[offset * sz + (capability / 8)] & (1 << (capability % 8))); | |
600 | } | |
601 | ||
602 | _public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) { | |
603 | assert_return(c, -EINVAL); | |
604 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
605 | |
606 | if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS)) | |
607 | return -ENODATA; | |
5b12334d LP |
608 | |
609 | return has_cap(c, CAP_OFFSET_EFFECTIVE, capability); | |
610 | } | |
611 | ||
612 | _public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) { | |
613 | assert_return(c, -EINVAL); | |
614 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
615 | |
616 | if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS)) | |
617 | return -ENODATA; | |
5b12334d LP |
618 | |
619 | return has_cap(c, CAP_OFFSET_PERMITTED, capability); | |
620 | } | |
621 | ||
622 | _public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) { | |
623 | assert_return(c, -EINVAL); | |
624 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
625 | |
626 | if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS)) | |
627 | return -ENODATA; | |
5b12334d LP |
628 | |
629 | return has_cap(c, CAP_OFFSET_INHERITABLE, capability); | |
630 | } | |
631 | ||
632 | _public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) { | |
633 | assert_return(c, -EINVAL); | |
634 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
635 | |
636 | if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS)) | |
637 | return -ENODATA; | |
5b12334d LP |
638 | |
639 | return has_cap(c, CAP_OFFSET_BOUNDING, capability); | |
640 | } | |
641 | ||
642 | static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) { | |
34a5d5e5 | 643 | size_t sz, max; |
5b12334d LP |
644 | unsigned i; |
645 | ||
646 | assert(c); | |
647 | assert(p); | |
648 | ||
34a5d5e5 | 649 | max = DIV_ROUND_UP(cap_last_cap(), 32U) * 4; |
5b12334d LP |
650 | p += strspn(p, WHITESPACE); |
651 | ||
652 | sz = strlen(p); | |
653 | if (sz % 2 != 0) | |
654 | return -EINVAL; | |
655 | ||
656 | sz /= 2; | |
34a5d5e5 DH |
657 | if (sz > max) |
658 | return -EINVAL; | |
659 | ||
5b12334d | 660 | if (!c->capability) { |
34a5d5e5 | 661 | c->capability = new0(uint8_t, max * 4); |
5b12334d LP |
662 | if (!c->capability) |
663 | return -ENOMEM; | |
5b12334d LP |
664 | } |
665 | ||
666 | for (i = 0; i < sz; i ++) { | |
667 | int x, y; | |
668 | ||
669 | x = unhexchar(p[i*2]); | |
670 | y = unhexchar(p[i*2+1]); | |
671 | ||
672 | if (x < 0 || y < 0) | |
673 | return -EINVAL; | |
674 | ||
34a5d5e5 | 675 | c->capability[offset * max + (sz - i - 1)] = (uint8_t) x << 4 | (uint8_t) y; |
5b12334d LP |
676 | } |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
681 | int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) { | |
682 | uint64_t missing; | |
683 | int r; | |
684 | ||
685 | assert(c); | |
686 | assert(c->allocated); | |
687 | ||
705a415f LP |
688 | if (!(mask & SD_BUS_CREDS_AUGMENT)) |
689 | return 0; | |
690 | ||
5b12334d LP |
691 | missing = mask & ~c->mask; |
692 | if (missing == 0) | |
693 | return 0; | |
694 | ||
695 | /* Try to retrieve PID from creds if it wasn't passed to us */ | |
696 | if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID)) | |
697 | pid = c->pid; | |
698 | ||
699 | if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID)) | |
700 | tid = c->pid; | |
701 | ||
702 | /* Without pid we cannot do much... */ | |
703 | if (pid <= 0) | |
704 | return 0; | |
705 | ||
705a415f LP |
706 | if (pid > 0) { |
707 | c->pid = pid; | |
708 | c->mask |= SD_BUS_CREDS_PID; | |
709 | } | |
710 | ||
711 | if (tid > 0) { | |
712 | c->tid = tid; | |
713 | c->mask |= SD_BUS_CREDS_TID; | |
714 | } | |
715 | ||
716 | if (missing & (SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_SUID | SD_BUS_CREDS_FSUID | | |
717 | SD_BUS_CREDS_GID | SD_BUS_CREDS_EGID | SD_BUS_CREDS_SGID | SD_BUS_CREDS_FSGID | | |
02581590 | 718 | SD_BUS_CREDS_SUPPLEMENTARY_GIDS | |
5b12334d LP |
719 | SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS | |
720 | SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) { | |
721 | ||
722 | _cleanup_fclose_ FILE *f = NULL; | |
5b12334d LP |
723 | const char *p; |
724 | ||
725 | p = procfs_file_alloca(pid, "status"); | |
726 | ||
727 | f = fopen(p, "re"); | |
705a415f LP |
728 | if (!f) { |
729 | if (errno == ENOENT) | |
730 | return -ESRCH; | |
731 | else if (errno != EPERM && errno != EACCES) | |
732 | return -errno; | |
733 | } else { | |
734 | char line[LINE_MAX]; | |
735 | ||
736 | FOREACH_LINE(line, f, return -errno) { | |
737 | truncate_nl(line); | |
738 | ||
739 | if (missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID)) { | |
740 | p = startswith(line, "Uid:"); | |
741 | if (p) { | |
742 | unsigned long uid, euid, suid, fsuid; | |
743 | ||
744 | p += strspn(p, WHITESPACE); | |
745 | if (sscanf(p, "%lu %lu %lu %lu", &uid, &euid, &suid, &fsuid) != 4) | |
746 | return -EIO; | |
747 | ||
748 | c->uid = (uid_t) uid; | |
749 | c->euid = (uid_t) euid; | |
750 | c->suid = (uid_t) suid; | |
751 | c->fsuid = (uid_t) fsuid; | |
752 | c->mask |= missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID); | |
753 | continue; | |
754 | } | |
5b12334d | 755 | } |
5b12334d | 756 | |
705a415f LP |
757 | if (missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID)) { |
758 | p = startswith(line, "Gid:"); | |
759 | if (p) { | |
760 | unsigned long gid, egid, sgid, fsgid; | |
761 | ||
762 | p += strspn(p, WHITESPACE); | |
763 | if (sscanf(p, "%lu %lu %lu %lu", &gid, &egid, &sgid, &fsgid) != 4) | |
764 | return -EIO; | |
765 | ||
766 | c->gid = (gid_t) gid; | |
767 | c->egid = (gid_t) egid; | |
768 | c->sgid = (gid_t) sgid; | |
769 | c->fsgid = (gid_t) fsgid; | |
770 | c->mask |= missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID); | |
771 | continue; | |
772 | } | |
5b12334d | 773 | } |
5b12334d | 774 | |
02581590 LP |
775 | if (missing & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
776 | p = startswith(line, "Groups:"); | |
777 | if (p) { | |
778 | size_t allocated = 0; | |
779 | ||
780 | for (;;) { | |
781 | unsigned long g; | |
782 | int n = 0; | |
783 | ||
784 | p += strspn(p, WHITESPACE); | |
785 | if (*p == 0) | |
786 | break; | |
787 | ||
788 | if (sscanf(p, "%lu%n", &g, &n) != 1) | |
789 | return -EIO; | |
790 | ||
791 | if (!GREEDY_REALLOC(c->supplementary_gids, allocated, c->n_supplementary_gids+1)) | |
792 | return -ENOMEM; | |
793 | ||
794 | c->supplementary_gids[c->n_supplementary_gids++] = (gid_t) g; | |
795 | p += n; | |
796 | } | |
797 | ||
798 | c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
799 | continue; | |
800 | } | |
801 | } | |
802 | ||
705a415f LP |
803 | if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) { |
804 | p = startswith(line, "CapEff:"); | |
805 | if (p) { | |
806 | r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p); | |
807 | if (r < 0) | |
808 | return r; | |
5b12334d | 809 | |
705a415f LP |
810 | c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS; |
811 | continue; | |
812 | } | |
5b12334d | 813 | } |
5b12334d | 814 | |
705a415f LP |
815 | if (missing & SD_BUS_CREDS_PERMITTED_CAPS) { |
816 | p = startswith(line, "CapPrm:"); | |
817 | if (p) { | |
818 | r = parse_caps(c, CAP_OFFSET_PERMITTED, p); | |
819 | if (r < 0) | |
820 | return r; | |
5b12334d | 821 | |
705a415f LP |
822 | c->mask |= SD_BUS_CREDS_PERMITTED_CAPS; |
823 | continue; | |
824 | } | |
5b12334d | 825 | } |
5b12334d | 826 | |
705a415f LP |
827 | if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) { |
828 | p = startswith(line, "CapInh:"); | |
829 | if (p) { | |
830 | r = parse_caps(c, CAP_OFFSET_INHERITABLE, p); | |
831 | if (r < 0) | |
832 | return r; | |
5b12334d | 833 | |
705a415f LP |
834 | c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS; |
835 | continue; | |
836 | } | |
5b12334d | 837 | } |
5b12334d | 838 | |
705a415f LP |
839 | if (missing & SD_BUS_CREDS_BOUNDING_CAPS) { |
840 | p = startswith(line, "CapBnd:"); | |
841 | if (p) { | |
842 | r = parse_caps(c, CAP_OFFSET_BOUNDING, p); | |
843 | if (r < 0) | |
844 | return r; | |
5b12334d | 845 | |
705a415f LP |
846 | c->mask |= SD_BUS_CREDS_BOUNDING_CAPS; |
847 | continue; | |
848 | } | |
5b12334d LP |
849 | } |
850 | } | |
851 | } | |
852 | } | |
853 | ||
5b12334d LP |
854 | if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) { |
855 | const char *p; | |
856 | ||
857 | p = procfs_file_alloca(pid, "attr/current"); | |
858 | r = read_one_line_file(p, &c->label); | |
705a415f LP |
859 | if (r < 0) { |
860 | if (r != -ENOENT && r != -EINVAL && r != -EPERM && r != -EACCES) | |
861 | return r; | |
862 | } else | |
5b12334d LP |
863 | c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; |
864 | } | |
865 | ||
866 | if (missing & SD_BUS_CREDS_COMM) { | |
867 | r = get_process_comm(pid, &c->comm); | |
705a415f LP |
868 | if (r < 0) { |
869 | if (r != -EPERM && r != -EACCES) | |
870 | return r; | |
871 | } else | |
872 | c->mask |= SD_BUS_CREDS_COMM; | |
5b12334d LP |
873 | } |
874 | ||
875 | if (missing & SD_BUS_CREDS_EXE) { | |
876 | r = get_process_exe(pid, &c->exe); | |
705a415f LP |
877 | if (r < 0) { |
878 | if (r != -EPERM && r != -EACCES) | |
879 | return r; | |
880 | } else | |
881 | c->mask |= SD_BUS_CREDS_EXE; | |
5b12334d LP |
882 | } |
883 | ||
884 | if (missing & SD_BUS_CREDS_CMDLINE) { | |
885 | const char *p; | |
886 | ||
887 | p = procfs_file_alloca(pid, "cmdline"); | |
49b832c5 | 888 | r = read_full_file(p, &c->cmdline, &c->cmdline_size); |
705a415f LP |
889 | if (r < 0) { |
890 | if (r == -ENOENT) | |
891 | return -ESRCH; | |
892 | if (r != -EPERM && r != -EACCES) | |
893 | return r; | |
894 | } else { | |
895 | if (c->cmdline_size == 0) { | |
896 | free(c->cmdline); | |
897 | c->cmdline = NULL; | |
898 | } else | |
899 | c->mask |= SD_BUS_CREDS_CMDLINE; | |
900 | } | |
5b12334d LP |
901 | } |
902 | ||
903 | if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) { | |
904 | _cleanup_free_ char *p = NULL; | |
905 | ||
de0671ee | 906 | if (asprintf(&p, "/proc/"PID_FMT"/task/"PID_FMT"/comm", pid, tid) < 0) |
5b12334d LP |
907 | return -ENOMEM; |
908 | ||
909 | r = read_one_line_file(p, &c->tid_comm); | |
705a415f LP |
910 | if (r < 0) { |
911 | if (r == -ENOENT) | |
912 | return -ESRCH; | |
913 | if (r != -EPERM && r != -EACCES) | |
914 | return r; | |
915 | } else | |
916 | c->mask |= SD_BUS_CREDS_TID_COMM; | |
5b12334d LP |
917 | } |
918 | ||
919 | 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)) { | |
920 | ||
921 | r = cg_pid_get_path(NULL, pid, &c->cgroup); | |
705a415f LP |
922 | if (r < 0) { |
923 | if (r != -EPERM && r != -EACCES) | |
924 | return r; | |
925 | } else { | |
926 | r = cg_get_root_path(&c->cgroup_root); | |
927 | if (r < 0) | |
928 | return r; | |
929 | ||
930 | 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); | |
931 | } | |
5b12334d LP |
932 | } |
933 | ||
934 | if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
935 | r = audit_session_from_pid(pid, &c->audit_session_id); | |
705a415f LP |
936 | if (r < 0) { |
937 | if (r != -ENOTSUP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) | |
938 | return r; | |
939 | } else | |
5b12334d LP |
940 | c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; |
941 | } | |
942 | ||
943 | if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
944 | r = audit_loginuid_from_pid(pid, &c->audit_login_uid); | |
705a415f LP |
945 | if (r < 0) { |
946 | if (r != -ENOTSUP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) | |
947 | return r; | |
948 | } else | |
5b12334d LP |
949 | c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; |
950 | } | |
951 | ||
952 | return 0; | |
953 | } | |
954 | ||
49b832c5 | 955 | int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) { |
5b12334d LP |
956 | _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL; |
957 | int r; | |
958 | ||
49b832c5 LP |
959 | assert(c); |
960 | assert(ret); | |
5b12334d | 961 | |
705a415f LP |
962 | if ((mask & ~c->mask) == 0 || (!(mask & SD_BUS_CREDS_AUGMENT))) { |
963 | /* There's already all data we need, or augmentation | |
964 | * wasn't turned on. */ | |
5b12334d LP |
965 | |
966 | *ret = sd_bus_creds_ref(c); | |
967 | return 0; | |
968 | } | |
969 | ||
970 | n = bus_creds_new(); | |
971 | if (!n) | |
972 | return -ENOMEM; | |
973 | ||
974 | /* Copy the original data over */ | |
975 | ||
976 | if (c->mask & mask & SD_BUS_CREDS_UID) { | |
977 | n->uid = c->uid; | |
978 | n->mask |= SD_BUS_CREDS_UID; | |
979 | } | |
980 | ||
705a415f LP |
981 | if (c->mask & mask & SD_BUS_CREDS_EUID) { |
982 | n->euid = c->euid; | |
983 | n->mask |= SD_BUS_CREDS_EUID; | |
984 | } | |
985 | ||
986 | if (c->mask & mask & SD_BUS_CREDS_SUID) { | |
987 | n->suid = c->suid; | |
988 | n->mask |= SD_BUS_CREDS_SUID; | |
989 | } | |
990 | ||
991 | if (c->mask & mask & SD_BUS_CREDS_FSUID) { | |
992 | n->fsuid = c->fsuid; | |
993 | n->mask |= SD_BUS_CREDS_FSUID; | |
994 | } | |
995 | ||
5b12334d LP |
996 | if (c->mask & mask & SD_BUS_CREDS_GID) { |
997 | n->gid = c->gid; | |
998 | n->mask |= SD_BUS_CREDS_GID; | |
999 | } | |
1000 | ||
705a415f LP |
1001 | if (c->mask & mask & SD_BUS_CREDS_EGID) { |
1002 | n->egid = c->egid; | |
1003 | n->mask |= SD_BUS_CREDS_EGID; | |
1004 | } | |
1005 | ||
1006 | if (c->mask & mask & SD_BUS_CREDS_SGID) { | |
1007 | n->sgid = c->sgid; | |
1008 | n->mask |= SD_BUS_CREDS_SGID; | |
1009 | } | |
1010 | ||
1011 | if (c->mask & mask & SD_BUS_CREDS_FSGID) { | |
1012 | n->fsgid = c->fsgid; | |
1013 | n->mask |= SD_BUS_CREDS_FSGID; | |
1014 | } | |
1015 | ||
02581590 LP |
1016 | if (c->mask & mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
1017 | n->supplementary_gids = newdup(gid_t, c->supplementary_gids, c->n_supplementary_gids); | |
1018 | if (!n->supplementary_gids) | |
1019 | return -ENOMEM; | |
1020 | n->n_supplementary_gids = c->n_supplementary_gids; | |
1021 | n->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
1022 | } | |
1023 | ||
5b12334d LP |
1024 | if (c->mask & mask & SD_BUS_CREDS_PID) { |
1025 | n->pid = c->pid; | |
1026 | n->mask |= SD_BUS_CREDS_PID; | |
1027 | } | |
1028 | ||
1029 | if (c->mask & mask & SD_BUS_CREDS_TID) { | |
1030 | n->tid = c->tid; | |
1031 | n->mask |= SD_BUS_CREDS_TID; | |
1032 | } | |
1033 | ||
5b12334d LP |
1034 | if (c->mask & mask & SD_BUS_CREDS_COMM) { |
1035 | n->comm = strdup(c->comm); | |
1036 | if (!n->comm) | |
1037 | return -ENOMEM; | |
1038 | ||
1039 | n->mask |= SD_BUS_CREDS_COMM; | |
1040 | } | |
1041 | ||
1042 | if (c->mask & mask & SD_BUS_CREDS_TID_COMM) { | |
1043 | n->tid_comm = strdup(c->tid_comm); | |
1044 | if (!n->tid_comm) | |
1045 | return -ENOMEM; | |
1046 | ||
1047 | n->mask |= SD_BUS_CREDS_TID_COMM; | |
1048 | } | |
1049 | ||
1050 | if (c->mask & mask & SD_BUS_CREDS_EXE) { | |
1051 | n->exe = strdup(c->exe); | |
1052 | if (!n->exe) | |
1053 | return -ENOMEM; | |
1054 | ||
1055 | n->mask |= SD_BUS_CREDS_EXE; | |
1056 | } | |
1057 | ||
1058 | if (c->mask & mask & SD_BUS_CREDS_CMDLINE) { | |
49b832c5 | 1059 | n->cmdline = memdup(c->cmdline, c->cmdline_size); |
5b12334d LP |
1060 | if (!n->cmdline) |
1061 | return -ENOMEM; | |
1062 | ||
49b832c5 | 1063 | n->cmdline_size = c->cmdline_size; |
5b12334d LP |
1064 | n->mask |= SD_BUS_CREDS_CMDLINE; |
1065 | } | |
1066 | ||
1067 | 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)) { | |
1068 | n->cgroup = strdup(c->cgroup); | |
1069 | if (!n->cgroup) | |
1070 | return -ENOMEM; | |
1071 | ||
751bc6ac LP |
1072 | n->cgroup_root = strdup(c->cgroup_root); |
1073 | if (!n->cgroup_root) | |
1074 | return -ENOMEM; | |
1075 | ||
5b12334d LP |
1076 | 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); |
1077 | } | |
1078 | ||
1079 | if (c->mask & mask & (SD_BUS_CREDS_EFFECTIVE_CAPS|SD_BUS_CREDS_PERMITTED_CAPS|SD_BUS_CREDS_INHERITABLE_CAPS|SD_BUS_CREDS_BOUNDING_CAPS)) { | |
34a5d5e5 | 1080 | n->capability = memdup(c->capability, DIV_ROUND_UP(cap_last_cap(), 32U) * 4 * 4); |
5b12334d LP |
1081 | if (!n->capability) |
1082 | return -ENOMEM; | |
1083 | ||
5b12334d LP |
1084 | 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); |
1085 | } | |
1086 | ||
a6ede528 LP |
1087 | if (c->mask & mask & SD_BUS_CREDS_SELINUX_CONTEXT) { |
1088 | n->label = strdup(c->label); | |
1089 | if (!n->label) | |
1090 | return -ENOMEM; | |
1091 | n->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; | |
1092 | } | |
1093 | ||
5b12334d LP |
1094 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) { |
1095 | n->audit_session_id = c->audit_session_id; | |
1096 | n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; | |
1097 | } | |
5b12334d LP |
1098 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) { |
1099 | n->audit_login_uid = c->audit_login_uid; | |
1100 | n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; | |
1101 | } | |
1102 | ||
49b832c5 LP |
1103 | if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) { |
1104 | n->unique_name = strdup(c->unique_name); | |
1105 | if (!n->unique_name) | |
1106 | return -ENOMEM; | |
a6ede528 | 1107 | n->mask |= SD_BUS_CREDS_UNIQUE_NAME; |
49b832c5 LP |
1108 | } |
1109 | ||
1110 | if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) { | |
65dae17a | 1111 | n->well_known_names = strv_copy(c->well_known_names); |
49b832c5 LP |
1112 | if (!n->well_known_names) |
1113 | return -ENOMEM; | |
a6ede528 LP |
1114 | n->mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES; |
1115 | } | |
1116 | ||
1117 | if (c->mask & mask & SD_BUS_CREDS_DESCRIPTION) { | |
1118 | n->description = strdup(c->description); | |
1119 | if (!n->description) | |
1120 | return -ENOMEM; | |
1121 | n->mask |= SD_BUS_CREDS_DESCRIPTION; | |
49b832c5 LP |
1122 | } |
1123 | ||
5b12334d LP |
1124 | /* Get more data */ |
1125 | ||
1126 | r = bus_creds_add_more(n, mask, | |
1127 | c->mask & SD_BUS_CREDS_PID ? c->pid : 0, | |
1128 | c->mask & SD_BUS_CREDS_TID ? c->tid : 0); | |
1129 | if (r < 0) | |
1130 | return r; | |
1131 | ||
1132 | *ret = n; | |
1133 | n = NULL; | |
1134 | return 0; | |
1135 | } |