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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> | |
7d9fcc2b | 23 | #include <linux/capability.h> |
5b12334d LP |
24 | |
25 | #include "util.h" | |
6482f626 | 26 | #include "formats-util.h" |
0b452006 | 27 | #include "process-util.h" |
34a5d5e5 | 28 | #include "capability.h" |
5b12334d LP |
29 | #include "cgroup-util.h" |
30 | #include "fileio.h" | |
31 | #include "audit.h" | |
32 | #include "bus-message.h" | |
33 | #include "bus-util.h" | |
49b832c5 | 34 | #include "strv.h" |
5b12334d | 35 | #include "bus-creds.h" |
a6278b88 | 36 | #include "bus-label.h" |
5b12334d LP |
37 | |
38 | enum { | |
39 | CAP_OFFSET_INHERITABLE = 0, | |
40 | CAP_OFFSET_PERMITTED = 1, | |
41 | CAP_OFFSET_EFFECTIVE = 2, | |
42 | CAP_OFFSET_BOUNDING = 3 | |
43 | }; | |
44 | ||
45 | void bus_creds_done(sd_bus_creds *c) { | |
46 | assert(c); | |
47 | ||
48 | /* For internal bus cred structures that are allocated by | |
49 | * something else */ | |
50 | ||
51 | free(c->session); | |
52 | free(c->unit); | |
53 | free(c->user_unit); | |
54 | free(c->slice); | |
455971c1 | 55 | free(c->unescaped_description); |
606303a9 | 56 | free(c->supplementary_gids); |
5b12334d | 57 | |
50c45216 LP |
58 | free(c->well_known_names); /* note that this is an strv, but |
59 | * we only free the array, not the | |
60 | * strings the array points to. The | |
61 | * full strv we only free if | |
62 | * c->allocated is set, see | |
63 | * below. */ | |
64 | ||
49b832c5 | 65 | strv_free(c->cmdline_array); |
5b12334d LP |
66 | } |
67 | ||
68 | _public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) { | |
69 | assert_return(c, NULL); | |
70 | ||
71 | if (c->allocated) { | |
72 | assert(c->n_ref > 0); | |
73 | c->n_ref++; | |
74 | } else { | |
75 | sd_bus_message *m; | |
76 | ||
77 | /* If this is an embedded creds structure, then | |
78 | * forward ref counting to the message */ | |
79 | m = container_of(c, sd_bus_message, creds); | |
80 | sd_bus_message_ref(m); | |
81 | } | |
82 | ||
83 | return c; | |
84 | } | |
85 | ||
86 | _public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) { | |
5b1bc83f LP |
87 | |
88 | if (!c) | |
89 | return NULL; | |
5b12334d LP |
90 | |
91 | if (c->allocated) { | |
92 | assert(c->n_ref > 0); | |
93 | c->n_ref--; | |
94 | ||
95 | if (c->n_ref == 0) { | |
5b12334d LP |
96 | free(c->comm); |
97 | free(c->tid_comm); | |
98 | free(c->exe); | |
99 | free(c->cmdline); | |
100 | free(c->cgroup); | |
101 | free(c->capability); | |
102 | free(c->label); | |
49b832c5 | 103 | free(c->unique_name); |
751bc6ac | 104 | free(c->cgroup_root); |
455971c1 | 105 | free(c->description); |
606303a9 | 106 | |
e12d81ae | 107 | free(c->supplementary_gids); |
606303a9 | 108 | c->supplementary_gids = NULL; |
50c45216 LP |
109 | |
110 | strv_free(c->well_known_names); | |
111 | c->well_known_names = NULL; | |
112 | ||
113 | bus_creds_done(c); | |
114 | ||
5b12334d LP |
115 | free(c); |
116 | } | |
117 | } else { | |
118 | sd_bus_message *m; | |
119 | ||
120 | m = container_of(c, sd_bus_message, creds); | |
121 | sd_bus_message_unref(m); | |
122 | } | |
123 | ||
124 | ||
125 | return NULL; | |
126 | } | |
127 | ||
4cf8496d | 128 | _public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) { |
5b12334d LP |
129 | assert_return(c, 0); |
130 | ||
131 | return c->mask; | |
132 | } | |
133 | ||
134 | sd_bus_creds* bus_creds_new(void) { | |
135 | sd_bus_creds *c; | |
136 | ||
137 | c = new0(sd_bus_creds, 1); | |
138 | if (!c) | |
139 | return NULL; | |
140 | ||
141 | c->allocated = true; | |
142 | c->n_ref = 1; | |
143 | return c; | |
144 | } | |
145 | ||
151b9b96 | 146 | _public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) { |
5b12334d LP |
147 | sd_bus_creds *c; |
148 | int r; | |
149 | ||
150 | assert_return(pid >= 0, -EINVAL); | |
15411c0c | 151 | assert_return(mask <= _SD_BUS_CREDS_ALL, -EOPNOTSUPP); |
5b12334d LP |
152 | assert_return(ret, -EINVAL); |
153 | ||
154 | if (pid == 0) | |
155 | pid = getpid(); | |
156 | ||
157 | c = bus_creds_new(); | |
158 | if (!c) | |
159 | return -ENOMEM; | |
160 | ||
705a415f | 161 | r = bus_creds_add_more(c, mask | SD_BUS_CREDS_AUGMENT, pid, 0); |
5b12334d | 162 | if (r < 0) { |
0349c608 | 163 | sd_bus_creds_unref(c); |
5b12334d LP |
164 | return r; |
165 | } | |
166 | ||
167 | /* Check if the process existed at all, in case we haven't | |
168 | * figured that out already */ | |
9f5650ae | 169 | if (!pid_is_alive(pid)) { |
5b12334d LP |
170 | sd_bus_creds_unref(c); |
171 | return -ESRCH; | |
172 | } | |
173 | ||
174 | *ret = c; | |
175 | return 0; | |
176 | } | |
177 | ||
178 | _public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) { | |
179 | assert_return(c, -EINVAL); | |
180 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
181 | |
182 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
183 | return -ENODATA; | |
5b12334d LP |
184 | |
185 | *uid = c->uid; | |
186 | return 0; | |
187 | } | |
188 | ||
705a415f LP |
189 | _public_ int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid) { |
190 | assert_return(c, -EINVAL); | |
191 | assert_return(euid, -EINVAL); | |
192 | ||
193 | if (!(c->mask & SD_BUS_CREDS_EUID)) | |
194 | return -ENODATA; | |
195 | ||
196 | *euid = c->euid; | |
197 | return 0; | |
198 | } | |
199 | ||
200 | _public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) { | |
201 | assert_return(c, -EINVAL); | |
202 | assert_return(suid, -EINVAL); | |
203 | ||
204 | if (!(c->mask & SD_BUS_CREDS_SUID)) | |
205 | return -ENODATA; | |
206 | ||
207 | *suid = c->suid; | |
208 | return 0; | |
209 | } | |
210 | ||
211 | ||
212 | _public_ int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid) { | |
213 | assert_return(c, -EINVAL); | |
214 | assert_return(fsuid, -EINVAL); | |
215 | ||
216 | if (!(c->mask & SD_BUS_CREDS_FSUID)) | |
217 | return -ENODATA; | |
218 | ||
219 | *fsuid = c->fsuid; | |
220 | return 0; | |
221 | } | |
222 | ||
5b12334d LP |
223 | _public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) { |
224 | assert_return(c, -EINVAL); | |
225 | assert_return(gid, -EINVAL); | |
6a4abbc8 | 226 | |
1c021669 | 227 | if (!(c->mask & SD_BUS_CREDS_GID)) |
6a4abbc8 | 228 | return -ENODATA; |
5b12334d LP |
229 | |
230 | *gid = c->gid; | |
231 | return 0; | |
232 | } | |
233 | ||
705a415f LP |
234 | _public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) { |
235 | assert_return(c, -EINVAL); | |
236 | assert_return(egid, -EINVAL); | |
237 | ||
238 | if (!(c->mask & SD_BUS_CREDS_EGID)) | |
239 | return -ENODATA; | |
240 | ||
241 | *egid = c->egid; | |
242 | return 0; | |
243 | } | |
244 | ||
245 | _public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) { | |
246 | assert_return(c, -EINVAL); | |
247 | assert_return(sgid, -EINVAL); | |
248 | ||
249 | if (!(c->mask & SD_BUS_CREDS_SGID)) | |
250 | return -ENODATA; | |
251 | ||
252 | *sgid = c->sgid; | |
253 | return 0; | |
254 | } | |
255 | ||
705a415f LP |
256 | _public_ int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid) { |
257 | assert_return(c, -EINVAL); | |
258 | assert_return(fsgid, -EINVAL); | |
259 | ||
260 | if (!(c->mask & SD_BUS_CREDS_FSGID)) | |
261 | return -ENODATA; | |
262 | ||
263 | *fsgid = c->fsgid; | |
264 | return 0; | |
265 | } | |
266 | ||
02581590 LP |
267 | _public_ int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids) { |
268 | assert_return(c, -EINVAL); | |
269 | assert_return(gids, -EINVAL); | |
270 | ||
271 | if (!(c->mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS)) | |
272 | return -ENODATA; | |
273 | ||
274 | *gids = c->supplementary_gids; | |
275 | return (int) c->n_supplementary_gids; | |
276 | } | |
277 | ||
5b12334d LP |
278 | _public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) { |
279 | assert_return(c, -EINVAL); | |
280 | assert_return(pid, -EINVAL); | |
6a4abbc8 LP |
281 | |
282 | if (!(c->mask & SD_BUS_CREDS_PID)) | |
283 | return -ENODATA; | |
5b12334d LP |
284 | |
285 | assert(c->pid > 0); | |
286 | *pid = c->pid; | |
287 | return 0; | |
288 | } | |
289 | ||
290 | _public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) { | |
291 | assert_return(c, -EINVAL); | |
292 | assert_return(tid, -EINVAL); | |
6a4abbc8 LP |
293 | |
294 | if (!(c->mask & SD_BUS_CREDS_TID)) | |
295 | return -ENODATA; | |
5b12334d LP |
296 | |
297 | assert(c->tid > 0); | |
298 | *tid = c->tid; | |
299 | return 0; | |
300 | } | |
301 | ||
5b12334d LP |
302 | _public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) { |
303 | assert_return(c, -EINVAL); | |
6a4abbc8 LP |
304 | |
305 | if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) | |
306 | return -ENODATA; | |
5b12334d LP |
307 | |
308 | assert(c->label); | |
309 | *ret = c->label; | |
310 | return 0; | |
311 | } | |
312 | ||
313 | _public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) { | |
314 | assert_return(c, -EINVAL); | |
315 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
316 | |
317 | if (!(c->mask & SD_BUS_CREDS_COMM)) | |
318 | return -ENODATA; | |
5b12334d LP |
319 | |
320 | assert(c->comm); | |
321 | *ret = c->comm; | |
322 | return 0; | |
323 | } | |
324 | ||
325 | _public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) { | |
326 | assert_return(c, -EINVAL); | |
327 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
328 | |
329 | if (!(c->mask & SD_BUS_CREDS_TID_COMM)) | |
330 | return -ENODATA; | |
5b12334d LP |
331 | |
332 | assert(c->tid_comm); | |
333 | *ret = c->tid_comm; | |
334 | return 0; | |
335 | } | |
336 | ||
337 | _public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) { | |
338 | assert_return(c, -EINVAL); | |
339 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
340 | |
341 | if (!(c->mask & SD_BUS_CREDS_EXE)) | |
342 | return -ENODATA; | |
5b12334d LP |
343 | |
344 | assert(c->exe); | |
345 | *ret = c->exe; | |
346 | return 0; | |
347 | } | |
348 | ||
349 | _public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) { | |
350 | assert_return(c, -EINVAL); | |
351 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
352 | |
353 | if (!(c->mask & SD_BUS_CREDS_CGROUP)) | |
354 | return -ENODATA; | |
5b12334d LP |
355 | |
356 | assert(c->cgroup); | |
357 | *ret = c->cgroup; | |
358 | return 0; | |
359 | } | |
360 | ||
361 | _public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) { | |
362 | int r; | |
363 | ||
364 | assert_return(c, -EINVAL); | |
365 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
366 | |
367 | if (!(c->mask & SD_BUS_CREDS_UNIT)) | |
368 | return -ENODATA; | |
5b12334d LP |
369 | |
370 | assert(c->cgroup); | |
371 | ||
372 | if (!c->unit) { | |
751bc6ac LP |
373 | const char *shifted; |
374 | ||
375 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
376 | if (r < 0) | |
377 | return r; | |
378 | ||
379 | r = cg_path_get_unit(shifted, (char**) &c->unit); | |
5b12334d LP |
380 | if (r < 0) |
381 | return r; | |
382 | } | |
383 | ||
384 | *ret = c->unit; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | _public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) { | |
389 | int r; | |
390 | ||
391 | assert_return(c, -EINVAL); | |
392 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
393 | |
394 | if (!(c->mask & SD_BUS_CREDS_USER_UNIT)) | |
395 | return -ENODATA; | |
5b12334d LP |
396 | |
397 | assert(c->cgroup); | |
398 | ||
399 | if (!c->user_unit) { | |
751bc6ac LP |
400 | const char *shifted; |
401 | ||
402 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
403 | if (r < 0) | |
404 | return r; | |
405 | ||
406 | r = cg_path_get_user_unit(shifted, (char**) &c->user_unit); | |
5b12334d LP |
407 | if (r < 0) |
408 | return r; | |
409 | } | |
410 | ||
411 | *ret = c->user_unit; | |
412 | return 0; | |
413 | } | |
414 | ||
415 | _public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) { | |
416 | int r; | |
417 | ||
418 | assert_return(c, -EINVAL); | |
419 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
420 | |
421 | if (!(c->mask & SD_BUS_CREDS_SLICE)) | |
422 | return -ENODATA; | |
5b12334d LP |
423 | |
424 | assert(c->cgroup); | |
425 | ||
426 | if (!c->slice) { | |
751bc6ac LP |
427 | const char *shifted; |
428 | ||
429 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
430 | if (r < 0) | |
431 | return r; | |
432 | ||
433 | r = cg_path_get_slice(shifted, (char**) &c->slice); | |
5b12334d LP |
434 | if (r < 0) |
435 | return r; | |
436 | } | |
437 | ||
438 | *ret = c->slice; | |
439 | return 0; | |
440 | } | |
441 | ||
442 | _public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) { | |
443 | int r; | |
444 | ||
445 | assert_return(c, -EINVAL); | |
446 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
447 | |
448 | if (!(c->mask & SD_BUS_CREDS_SESSION)) | |
449 | return -ENODATA; | |
5b12334d LP |
450 | |
451 | assert(c->cgroup); | |
452 | ||
453 | if (!c->session) { | |
751bc6ac LP |
454 | const char *shifted; |
455 | ||
456 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
457 | if (r < 0) | |
458 | return r; | |
459 | ||
460 | r = cg_path_get_session(shifted, (char**) &c->session); | |
5b12334d LP |
461 | if (r < 0) |
462 | return r; | |
463 | } | |
464 | ||
465 | *ret = c->session; | |
466 | return 0; | |
467 | } | |
468 | ||
469 | _public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) { | |
751bc6ac LP |
470 | const char *shifted; |
471 | int r; | |
472 | ||
5b12334d LP |
473 | assert_return(c, -EINVAL); |
474 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
475 | |
476 | if (!(c->mask & SD_BUS_CREDS_OWNER_UID)) | |
477 | return -ENODATA; | |
5b12334d LP |
478 | |
479 | assert(c->cgroup); | |
480 | ||
751bc6ac LP |
481 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); |
482 | if (r < 0) | |
483 | return r; | |
484 | ||
485 | return cg_path_get_owner_uid(shifted, uid); | |
5b12334d LP |
486 | } |
487 | ||
488 | _public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) { | |
5b12334d | 489 | assert_return(c, -EINVAL); |
6a4abbc8 LP |
490 | |
491 | if (!(c->mask & SD_BUS_CREDS_CMDLINE)) | |
492 | return -ENODATA; | |
5b12334d | 493 | |
689bd78d | 494 | assert_return(c->cmdline, -ESRCH); |
5b12334d LP |
495 | assert(c->cmdline); |
496 | ||
49b832c5 LP |
497 | if (!c->cmdline_array) { |
498 | c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size); | |
499 | if (!c->cmdline_array) | |
500 | return -ENOMEM; | |
5b12334d LP |
501 | } |
502 | ||
5b12334d | 503 | *cmdline = c->cmdline_array; |
5b12334d LP |
504 | return 0; |
505 | } | |
506 | ||
507 | _public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) { | |
508 | assert_return(c, -EINVAL); | |
509 | assert_return(sessionid, -EINVAL); | |
6a4abbc8 LP |
510 | |
511 | if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID)) | |
512 | return -ENODATA; | |
5b12334d LP |
513 | |
514 | *sessionid = c->audit_session_id; | |
515 | return 0; | |
516 | } | |
517 | ||
518 | _public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) { | |
519 | assert_return(c, -EINVAL); | |
520 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
521 | |
522 | if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID)) | |
523 | return -ENODATA; | |
5b12334d LP |
524 | |
525 | *uid = c->audit_login_uid; | |
526 | return 0; | |
527 | } | |
528 | ||
49b832c5 LP |
529 | _public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) { |
530 | assert_return(c, -EINVAL); | |
531 | assert_return(unique_name, -EINVAL); | |
6a4abbc8 LP |
532 | |
533 | if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME)) | |
534 | return -ENODATA; | |
49b832c5 LP |
535 | |
536 | *unique_name = c->unique_name; | |
537 | return 0; | |
538 | } | |
539 | ||
540 | _public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) { | |
541 | assert_return(c, -EINVAL); | |
542 | assert_return(well_known_names, -EINVAL); | |
6a4abbc8 LP |
543 | |
544 | if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES)) | |
545 | return -ENODATA; | |
49b832c5 | 546 | |
ac653862 LP |
547 | /* As a special hack we return the bus driver as well-known |
548 | * names list when this is requested. */ | |
549 | if (c->well_known_names_driver) { | |
550 | static const char* const wkn[] = { | |
551 | "org.freedesktop.DBus", | |
552 | NULL | |
553 | }; | |
554 | ||
555 | *well_known_names = (char**) wkn; | |
556 | return 0; | |
557 | } | |
558 | ||
fb6d9b77 LP |
559 | if (c->well_known_names_local) { |
560 | static const char* const wkn[] = { | |
561 | "org.freedesktop.DBus.Local", | |
562 | NULL | |
563 | }; | |
564 | ||
565 | *well_known_names = (char**) wkn; | |
566 | return 0; | |
567 | } | |
568 | ||
65dae17a | 569 | *well_known_names = c->well_known_names; |
49b832c5 LP |
570 | return 0; |
571 | } | |
572 | ||
455971c1 | 573 | _public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) { |
cccb0b2c LP |
574 | assert_return(c, -EINVAL); |
575 | assert_return(ret, -EINVAL); | |
576 | ||
455971c1 | 577 | if (!(c->mask & SD_BUS_CREDS_DESCRIPTION)) |
cccb0b2c LP |
578 | return -ENODATA; |
579 | ||
455971c1 | 580 | assert(c->description); |
2578d51e | 581 | |
455971c1 LP |
582 | if (!c->unescaped_description) { |
583 | c->unescaped_description = bus_label_unescape(c->description); | |
584 | if (!c->unescaped_description) | |
2578d51e LP |
585 | return -ENOMEM; |
586 | } | |
587 | ||
455971c1 | 588 | *ret = c->unescaped_description; |
cccb0b2c LP |
589 | return 0; |
590 | } | |
591 | ||
5b12334d LP |
592 | static int has_cap(sd_bus_creds *c, unsigned offset, int capability) { |
593 | size_t sz; | |
594 | ||
595 | assert(c); | |
34a5d5e5 | 596 | assert(capability >= 0); |
5b12334d LP |
597 | assert(c->capability); |
598 | ||
da634f97 | 599 | if ((unsigned) capability > cap_last_cap()) |
5b12334d LP |
600 | return 0; |
601 | ||
da634f97 LP |
602 | sz = DIV_ROUND_UP(cap_last_cap(), 32U); |
603 | ||
7d9fcc2b | 604 | return !!(c->capability[offset * sz + CAP_TO_INDEX(capability)] & CAP_TO_MASK(capability)); |
5b12334d LP |
605 | } |
606 | ||
607 | _public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) { | |
608 | assert_return(c, -EINVAL); | |
609 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
610 | |
611 | if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS)) | |
612 | return -ENODATA; | |
5b12334d LP |
613 | |
614 | return has_cap(c, CAP_OFFSET_EFFECTIVE, capability); | |
615 | } | |
616 | ||
617 | _public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) { | |
618 | assert_return(c, -EINVAL); | |
619 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
620 | |
621 | if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS)) | |
622 | return -ENODATA; | |
5b12334d LP |
623 | |
624 | return has_cap(c, CAP_OFFSET_PERMITTED, capability); | |
625 | } | |
626 | ||
627 | _public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) { | |
628 | assert_return(c, -EINVAL); | |
629 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
630 | |
631 | if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS)) | |
632 | return -ENODATA; | |
5b12334d LP |
633 | |
634 | return has_cap(c, CAP_OFFSET_INHERITABLE, capability); | |
635 | } | |
636 | ||
637 | _public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) { | |
638 | assert_return(c, -EINVAL); | |
639 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
640 | |
641 | if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS)) | |
642 | return -ENODATA; | |
5b12334d LP |
643 | |
644 | return has_cap(c, CAP_OFFSET_BOUNDING, capability); | |
645 | } | |
646 | ||
647 | static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) { | |
34a5d5e5 | 648 | size_t sz, max; |
7d9fcc2b | 649 | unsigned i, j; |
5b12334d LP |
650 | |
651 | assert(c); | |
652 | assert(p); | |
653 | ||
7d9fcc2b | 654 | max = DIV_ROUND_UP(cap_last_cap(), 32U); |
5b12334d LP |
655 | p += strspn(p, WHITESPACE); |
656 | ||
657 | sz = strlen(p); | |
7d9fcc2b | 658 | if (sz % 8 != 0) |
5b12334d LP |
659 | return -EINVAL; |
660 | ||
7d9fcc2b | 661 | sz /= 8; |
34a5d5e5 DH |
662 | if (sz > max) |
663 | return -EINVAL; | |
664 | ||
5b12334d | 665 | if (!c->capability) { |
7d9fcc2b | 666 | c->capability = new0(uint32_t, max * 4); |
5b12334d LP |
667 | if (!c->capability) |
668 | return -ENOMEM; | |
5b12334d LP |
669 | } |
670 | ||
671 | for (i = 0; i < sz; i ++) { | |
7d9fcc2b | 672 | uint32_t v = 0; |
5b12334d | 673 | |
7d9fcc2b DH |
674 | for (j = 0; j < 8; ++j) { |
675 | int t; | |
5b12334d | 676 | |
7d9fcc2b DH |
677 | t = unhexchar(*p++); |
678 | if (t < 0) | |
679 | return -EINVAL; | |
5b12334d | 680 | |
7d9fcc2b DH |
681 | v = (v << 4) | t; |
682 | } | |
683 | ||
684 | c->capability[offset * max + (sz - i - 1)] = v; | |
5b12334d LP |
685 | } |
686 | ||
687 | return 0; | |
688 | } | |
689 | ||
690 | int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) { | |
691 | uint64_t missing; | |
692 | int r; | |
693 | ||
694 | assert(c); | |
695 | assert(c->allocated); | |
696 | ||
705a415f LP |
697 | if (!(mask & SD_BUS_CREDS_AUGMENT)) |
698 | return 0; | |
699 | ||
5b12334d LP |
700 | missing = mask & ~c->mask; |
701 | if (missing == 0) | |
702 | return 0; | |
703 | ||
704 | /* Try to retrieve PID from creds if it wasn't passed to us */ | |
705 | if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID)) | |
706 | pid = c->pid; | |
707 | ||
708 | if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID)) | |
709 | tid = c->pid; | |
710 | ||
711 | /* Without pid we cannot do much... */ | |
712 | if (pid <= 0) | |
713 | return 0; | |
714 | ||
705a415f LP |
715 | if (pid > 0) { |
716 | c->pid = pid; | |
717 | c->mask |= SD_BUS_CREDS_PID; | |
718 | } | |
719 | ||
720 | if (tid > 0) { | |
721 | c->tid = tid; | |
722 | c->mask |= SD_BUS_CREDS_TID; | |
723 | } | |
724 | ||
725 | if (missing & (SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_SUID | SD_BUS_CREDS_FSUID | | |
726 | SD_BUS_CREDS_GID | SD_BUS_CREDS_EGID | SD_BUS_CREDS_SGID | SD_BUS_CREDS_FSGID | | |
02581590 | 727 | SD_BUS_CREDS_SUPPLEMENTARY_GIDS | |
5b12334d LP |
728 | SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS | |
729 | SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) { | |
730 | ||
731 | _cleanup_fclose_ FILE *f = NULL; | |
5b12334d LP |
732 | const char *p; |
733 | ||
734 | p = procfs_file_alloca(pid, "status"); | |
735 | ||
736 | f = fopen(p, "re"); | |
705a415f LP |
737 | if (!f) { |
738 | if (errno == ENOENT) | |
739 | return -ESRCH; | |
740 | else if (errno != EPERM && errno != EACCES) | |
741 | return -errno; | |
742 | } else { | |
743 | char line[LINE_MAX]; | |
744 | ||
745 | FOREACH_LINE(line, f, return -errno) { | |
746 | truncate_nl(line); | |
747 | ||
748 | if (missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID)) { | |
749 | p = startswith(line, "Uid:"); | |
750 | if (p) { | |
751 | unsigned long uid, euid, suid, fsuid; | |
752 | ||
753 | p += strspn(p, WHITESPACE); | |
754 | if (sscanf(p, "%lu %lu %lu %lu", &uid, &euid, &suid, &fsuid) != 4) | |
755 | return -EIO; | |
756 | ||
757 | c->uid = (uid_t) uid; | |
758 | c->euid = (uid_t) euid; | |
759 | c->suid = (uid_t) suid; | |
760 | c->fsuid = (uid_t) fsuid; | |
761 | c->mask |= missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID); | |
762 | continue; | |
763 | } | |
5b12334d | 764 | } |
5b12334d | 765 | |
705a415f LP |
766 | if (missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID)) { |
767 | p = startswith(line, "Gid:"); | |
768 | if (p) { | |
769 | unsigned long gid, egid, sgid, fsgid; | |
770 | ||
771 | p += strspn(p, WHITESPACE); | |
772 | if (sscanf(p, "%lu %lu %lu %lu", &gid, &egid, &sgid, &fsgid) != 4) | |
773 | return -EIO; | |
774 | ||
775 | c->gid = (gid_t) gid; | |
776 | c->egid = (gid_t) egid; | |
777 | c->sgid = (gid_t) sgid; | |
778 | c->fsgid = (gid_t) fsgid; | |
779 | c->mask |= missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID); | |
780 | continue; | |
781 | } | |
5b12334d | 782 | } |
5b12334d | 783 | |
02581590 LP |
784 | if (missing & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
785 | p = startswith(line, "Groups:"); | |
786 | if (p) { | |
787 | size_t allocated = 0; | |
788 | ||
789 | for (;;) { | |
790 | unsigned long g; | |
791 | int n = 0; | |
792 | ||
793 | p += strspn(p, WHITESPACE); | |
794 | if (*p == 0) | |
795 | break; | |
796 | ||
797 | if (sscanf(p, "%lu%n", &g, &n) != 1) | |
798 | return -EIO; | |
799 | ||
800 | if (!GREEDY_REALLOC(c->supplementary_gids, allocated, c->n_supplementary_gids+1)) | |
801 | return -ENOMEM; | |
802 | ||
803 | c->supplementary_gids[c->n_supplementary_gids++] = (gid_t) g; | |
804 | p += n; | |
805 | } | |
806 | ||
807 | c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
808 | continue; | |
809 | } | |
810 | } | |
811 | ||
705a415f LP |
812 | if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) { |
813 | p = startswith(line, "CapEff:"); | |
814 | if (p) { | |
815 | r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p); | |
816 | if (r < 0) | |
817 | return r; | |
5b12334d | 818 | |
705a415f LP |
819 | c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS; |
820 | continue; | |
821 | } | |
5b12334d | 822 | } |
5b12334d | 823 | |
705a415f LP |
824 | if (missing & SD_BUS_CREDS_PERMITTED_CAPS) { |
825 | p = startswith(line, "CapPrm:"); | |
826 | if (p) { | |
827 | r = parse_caps(c, CAP_OFFSET_PERMITTED, p); | |
828 | if (r < 0) | |
829 | return r; | |
5b12334d | 830 | |
705a415f LP |
831 | c->mask |= SD_BUS_CREDS_PERMITTED_CAPS; |
832 | continue; | |
833 | } | |
5b12334d | 834 | } |
5b12334d | 835 | |
705a415f LP |
836 | if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) { |
837 | p = startswith(line, "CapInh:"); | |
838 | if (p) { | |
839 | r = parse_caps(c, CAP_OFFSET_INHERITABLE, p); | |
840 | if (r < 0) | |
841 | return r; | |
5b12334d | 842 | |
705a415f LP |
843 | c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS; |
844 | continue; | |
845 | } | |
5b12334d | 846 | } |
5b12334d | 847 | |
705a415f LP |
848 | if (missing & SD_BUS_CREDS_BOUNDING_CAPS) { |
849 | p = startswith(line, "CapBnd:"); | |
850 | if (p) { | |
851 | r = parse_caps(c, CAP_OFFSET_BOUNDING, p); | |
852 | if (r < 0) | |
853 | return r; | |
5b12334d | 854 | |
705a415f LP |
855 | c->mask |= SD_BUS_CREDS_BOUNDING_CAPS; |
856 | continue; | |
857 | } | |
5b12334d LP |
858 | } |
859 | } | |
860 | } | |
861 | } | |
862 | ||
5b12334d LP |
863 | if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) { |
864 | const char *p; | |
865 | ||
866 | p = procfs_file_alloca(pid, "attr/current"); | |
867 | r = read_one_line_file(p, &c->label); | |
705a415f LP |
868 | if (r < 0) { |
869 | if (r != -ENOENT && r != -EINVAL && r != -EPERM && r != -EACCES) | |
870 | return r; | |
871 | } else | |
5b12334d LP |
872 | c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; |
873 | } | |
874 | ||
875 | if (missing & SD_BUS_CREDS_COMM) { | |
876 | r = get_process_comm(pid, &c->comm); | |
705a415f LP |
877 | if (r < 0) { |
878 | if (r != -EPERM && r != -EACCES) | |
879 | return r; | |
880 | } else | |
881 | c->mask |= SD_BUS_CREDS_COMM; | |
5b12334d LP |
882 | } |
883 | ||
884 | if (missing & SD_BUS_CREDS_EXE) { | |
885 | r = get_process_exe(pid, &c->exe); | |
705a415f LP |
886 | if (r < 0) { |
887 | if (r != -EPERM && r != -EACCES) | |
888 | return r; | |
889 | } else | |
890 | c->mask |= SD_BUS_CREDS_EXE; | |
5b12334d LP |
891 | } |
892 | ||
893 | if (missing & SD_BUS_CREDS_CMDLINE) { | |
894 | const char *p; | |
895 | ||
896 | p = procfs_file_alloca(pid, "cmdline"); | |
49b832c5 | 897 | r = read_full_file(p, &c->cmdline, &c->cmdline_size); |
705a415f LP |
898 | if (r < 0) { |
899 | if (r == -ENOENT) | |
900 | return -ESRCH; | |
901 | if (r != -EPERM && r != -EACCES) | |
902 | return r; | |
903 | } else { | |
904 | if (c->cmdline_size == 0) { | |
905 | free(c->cmdline); | |
906 | c->cmdline = NULL; | |
907 | } else | |
908 | c->mask |= SD_BUS_CREDS_CMDLINE; | |
909 | } | |
5b12334d LP |
910 | } |
911 | ||
912 | if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) { | |
913 | _cleanup_free_ char *p = NULL; | |
914 | ||
de0671ee | 915 | if (asprintf(&p, "/proc/"PID_FMT"/task/"PID_FMT"/comm", pid, tid) < 0) |
5b12334d LP |
916 | return -ENOMEM; |
917 | ||
918 | r = read_one_line_file(p, &c->tid_comm); | |
705a415f LP |
919 | if (r < 0) { |
920 | if (r == -ENOENT) | |
921 | return -ESRCH; | |
922 | if (r != -EPERM && r != -EACCES) | |
923 | return r; | |
924 | } else | |
925 | c->mask |= SD_BUS_CREDS_TID_COMM; | |
5b12334d LP |
926 | } |
927 | ||
928 | 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)) { | |
929 | ||
930 | r = cg_pid_get_path(NULL, pid, &c->cgroup); | |
705a415f LP |
931 | if (r < 0) { |
932 | if (r != -EPERM && r != -EACCES) | |
933 | return r; | |
934 | } else { | |
935 | r = cg_get_root_path(&c->cgroup_root); | |
936 | if (r < 0) | |
937 | return r; | |
938 | ||
939 | 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); | |
940 | } | |
5b12334d LP |
941 | } |
942 | ||
943 | if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
944 | r = audit_session_from_pid(pid, &c->audit_session_id); | |
705a415f | 945 | if (r < 0) { |
15411c0c | 946 | if (r != -EOPNOTSUPP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) |
705a415f LP |
947 | return r; |
948 | } else | |
5b12334d LP |
949 | c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; |
950 | } | |
951 | ||
952 | if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
953 | r = audit_loginuid_from_pid(pid, &c->audit_login_uid); | |
705a415f | 954 | if (r < 0) { |
15411c0c | 955 | if (r != -EOPNOTSUPP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) |
705a415f LP |
956 | return r; |
957 | } else | |
5b12334d LP |
958 | c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; |
959 | } | |
960 | ||
961 | return 0; | |
962 | } | |
963 | ||
49b832c5 | 964 | int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) { |
5b12334d LP |
965 | _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL; |
966 | int r; | |
967 | ||
49b832c5 LP |
968 | assert(c); |
969 | assert(ret); | |
5b12334d | 970 | |
705a415f LP |
971 | if ((mask & ~c->mask) == 0 || (!(mask & SD_BUS_CREDS_AUGMENT))) { |
972 | /* There's already all data we need, or augmentation | |
973 | * wasn't turned on. */ | |
5b12334d LP |
974 | |
975 | *ret = sd_bus_creds_ref(c); | |
976 | return 0; | |
977 | } | |
978 | ||
979 | n = bus_creds_new(); | |
980 | if (!n) | |
981 | return -ENOMEM; | |
982 | ||
983 | /* Copy the original data over */ | |
984 | ||
da634f97 LP |
985 | if (c->mask & mask & SD_BUS_CREDS_PID) { |
986 | n->pid = c->pid; | |
987 | n->mask |= SD_BUS_CREDS_PID; | |
988 | } | |
989 | ||
990 | if (c->mask & mask & SD_BUS_CREDS_TID) { | |
991 | n->tid = c->tid; | |
992 | n->mask |= SD_BUS_CREDS_TID; | |
993 | } | |
994 | ||
5b12334d LP |
995 | if (c->mask & mask & SD_BUS_CREDS_UID) { |
996 | n->uid = c->uid; | |
997 | n->mask |= SD_BUS_CREDS_UID; | |
998 | } | |
999 | ||
705a415f LP |
1000 | if (c->mask & mask & SD_BUS_CREDS_EUID) { |
1001 | n->euid = c->euid; | |
1002 | n->mask |= SD_BUS_CREDS_EUID; | |
1003 | } | |
1004 | ||
1005 | if (c->mask & mask & SD_BUS_CREDS_SUID) { | |
1006 | n->suid = c->suid; | |
1007 | n->mask |= SD_BUS_CREDS_SUID; | |
1008 | } | |
1009 | ||
1010 | if (c->mask & mask & SD_BUS_CREDS_FSUID) { | |
1011 | n->fsuid = c->fsuid; | |
1012 | n->mask |= SD_BUS_CREDS_FSUID; | |
1013 | } | |
1014 | ||
5b12334d LP |
1015 | if (c->mask & mask & SD_BUS_CREDS_GID) { |
1016 | n->gid = c->gid; | |
1017 | n->mask |= SD_BUS_CREDS_GID; | |
1018 | } | |
1019 | ||
705a415f LP |
1020 | if (c->mask & mask & SD_BUS_CREDS_EGID) { |
1021 | n->egid = c->egid; | |
1022 | n->mask |= SD_BUS_CREDS_EGID; | |
1023 | } | |
1024 | ||
1025 | if (c->mask & mask & SD_BUS_CREDS_SGID) { | |
1026 | n->sgid = c->sgid; | |
1027 | n->mask |= SD_BUS_CREDS_SGID; | |
1028 | } | |
1029 | ||
1030 | if (c->mask & mask & SD_BUS_CREDS_FSGID) { | |
1031 | n->fsgid = c->fsgid; | |
1032 | n->mask |= SD_BUS_CREDS_FSGID; | |
1033 | } | |
1034 | ||
02581590 LP |
1035 | if (c->mask & mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
1036 | n->supplementary_gids = newdup(gid_t, c->supplementary_gids, c->n_supplementary_gids); | |
1037 | if (!n->supplementary_gids) | |
1038 | return -ENOMEM; | |
1039 | n->n_supplementary_gids = c->n_supplementary_gids; | |
1040 | n->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
1041 | } | |
1042 | ||
5b12334d LP |
1043 | if (c->mask & mask & SD_BUS_CREDS_COMM) { |
1044 | n->comm = strdup(c->comm); | |
1045 | if (!n->comm) | |
1046 | return -ENOMEM; | |
1047 | ||
1048 | n->mask |= SD_BUS_CREDS_COMM; | |
1049 | } | |
1050 | ||
1051 | if (c->mask & mask & SD_BUS_CREDS_TID_COMM) { | |
1052 | n->tid_comm = strdup(c->tid_comm); | |
1053 | if (!n->tid_comm) | |
1054 | return -ENOMEM; | |
1055 | ||
1056 | n->mask |= SD_BUS_CREDS_TID_COMM; | |
1057 | } | |
1058 | ||
1059 | if (c->mask & mask & SD_BUS_CREDS_EXE) { | |
1060 | n->exe = strdup(c->exe); | |
1061 | if (!n->exe) | |
1062 | return -ENOMEM; | |
1063 | ||
1064 | n->mask |= SD_BUS_CREDS_EXE; | |
1065 | } | |
1066 | ||
1067 | if (c->mask & mask & SD_BUS_CREDS_CMDLINE) { | |
49b832c5 | 1068 | n->cmdline = memdup(c->cmdline, c->cmdline_size); |
5b12334d LP |
1069 | if (!n->cmdline) |
1070 | return -ENOMEM; | |
1071 | ||
49b832c5 | 1072 | n->cmdline_size = c->cmdline_size; |
5b12334d LP |
1073 | n->mask |= SD_BUS_CREDS_CMDLINE; |
1074 | } | |
1075 | ||
1076 | 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)) { | |
1077 | n->cgroup = strdup(c->cgroup); | |
1078 | if (!n->cgroup) | |
1079 | return -ENOMEM; | |
1080 | ||
751bc6ac LP |
1081 | n->cgroup_root = strdup(c->cgroup_root); |
1082 | if (!n->cgroup_root) | |
1083 | return -ENOMEM; | |
1084 | ||
5b12334d LP |
1085 | 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); |
1086 | } | |
1087 | ||
1088 | 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 | 1089 | n->capability = memdup(c->capability, DIV_ROUND_UP(cap_last_cap(), 32U) * 4 * 4); |
5b12334d LP |
1090 | if (!n->capability) |
1091 | return -ENOMEM; | |
1092 | ||
5b12334d LP |
1093 | 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); |
1094 | } | |
1095 | ||
a6ede528 LP |
1096 | if (c->mask & mask & SD_BUS_CREDS_SELINUX_CONTEXT) { |
1097 | n->label = strdup(c->label); | |
1098 | if (!n->label) | |
1099 | return -ENOMEM; | |
1100 | n->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; | |
1101 | } | |
1102 | ||
5b12334d LP |
1103 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) { |
1104 | n->audit_session_id = c->audit_session_id; | |
1105 | n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; | |
1106 | } | |
5b12334d LP |
1107 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) { |
1108 | n->audit_login_uid = c->audit_login_uid; | |
1109 | n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; | |
1110 | } | |
1111 | ||
49b832c5 LP |
1112 | if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) { |
1113 | n->unique_name = strdup(c->unique_name); | |
1114 | if (!n->unique_name) | |
1115 | return -ENOMEM; | |
a6ede528 | 1116 | n->mask |= SD_BUS_CREDS_UNIQUE_NAME; |
49b832c5 LP |
1117 | } |
1118 | ||
1119 | if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) { | |
65dae17a | 1120 | n->well_known_names = strv_copy(c->well_known_names); |
49b832c5 LP |
1121 | if (!n->well_known_names) |
1122 | return -ENOMEM; | |
da634f97 LP |
1123 | n->well_known_names_driver = c->well_known_names_driver; |
1124 | n->well_known_names_local = c->well_known_names_local; | |
a6ede528 LP |
1125 | n->mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES; |
1126 | } | |
1127 | ||
1128 | if (c->mask & mask & SD_BUS_CREDS_DESCRIPTION) { | |
1129 | n->description = strdup(c->description); | |
1130 | if (!n->description) | |
1131 | return -ENOMEM; | |
1132 | n->mask |= SD_BUS_CREDS_DESCRIPTION; | |
49b832c5 LP |
1133 | } |
1134 | ||
5b12334d LP |
1135 | /* Get more data */ |
1136 | ||
1137 | r = bus_creds_add_more(n, mask, | |
1138 | c->mask & SD_BUS_CREDS_PID ? c->pid : 0, | |
1139 | c->mask & SD_BUS_CREDS_TID ? c->tid : 0); | |
1140 | if (r < 0) | |
1141 | return r; | |
1142 | ||
1143 | *ret = n; | |
1144 | n = NULL; | |
1145 | return 0; | |
1146 | } |