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