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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" | |
34a5d5e5 | 26 | #include "capability.h" |
5b12334d LP |
27 | #include "cgroup-util.h" |
28 | #include "fileio.h" | |
29 | #include "audit.h" | |
30 | #include "bus-message.h" | |
31 | #include "bus-util.h" | |
32 | #include "time-util.h" | |
49b832c5 | 33 | #include "strv.h" |
5b12334d | 34 | #include "bus-creds.h" |
a6278b88 | 35 | #include "bus-label.h" |
5b12334d LP |
36 | |
37 | enum { | |
38 | CAP_OFFSET_INHERITABLE = 0, | |
39 | CAP_OFFSET_PERMITTED = 1, | |
40 | CAP_OFFSET_EFFECTIVE = 2, | |
41 | CAP_OFFSET_BOUNDING = 3 | |
42 | }; | |
43 | ||
44 | void bus_creds_done(sd_bus_creds *c) { | |
45 | assert(c); | |
46 | ||
47 | /* For internal bus cred structures that are allocated by | |
48 | * something else */ | |
49 | ||
50 | free(c->session); | |
51 | free(c->unit); | |
52 | free(c->user_unit); | |
53 | free(c->slice); | |
455971c1 | 54 | free(c->unescaped_description); |
5b12334d | 55 | |
50c45216 LP |
56 | free(c->well_known_names); /* note that this is an strv, but |
57 | * we only free the array, not the | |
58 | * strings the array points to. The | |
59 | * full strv we only free if | |
60 | * c->allocated is set, see | |
61 | * below. */ | |
62 | ||
49b832c5 | 63 | strv_free(c->cmdline_array); |
5b12334d LP |
64 | } |
65 | ||
66 | _public_ sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c) { | |
67 | assert_return(c, NULL); | |
68 | ||
69 | if (c->allocated) { | |
70 | assert(c->n_ref > 0); | |
71 | c->n_ref++; | |
72 | } else { | |
73 | sd_bus_message *m; | |
74 | ||
75 | /* If this is an embedded creds structure, then | |
76 | * forward ref counting to the message */ | |
77 | m = container_of(c, sd_bus_message, creds); | |
78 | sd_bus_message_ref(m); | |
79 | } | |
80 | ||
81 | return c; | |
82 | } | |
83 | ||
84 | _public_ sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c) { | |
5b1bc83f LP |
85 | |
86 | if (!c) | |
87 | return NULL; | |
5b12334d LP |
88 | |
89 | if (c->allocated) { | |
90 | assert(c->n_ref > 0); | |
91 | c->n_ref--; | |
92 | ||
93 | if (c->n_ref == 0) { | |
5b12334d LP |
94 | free(c->comm); |
95 | free(c->tid_comm); | |
96 | free(c->exe); | |
97 | free(c->cmdline); | |
98 | free(c->cgroup); | |
99 | free(c->capability); | |
100 | free(c->label); | |
49b832c5 | 101 | free(c->unique_name); |
751bc6ac | 102 | free(c->cgroup_root); |
455971c1 | 103 | free(c->description); |
e12d81ae | 104 | free(c->supplementary_gids); |
50c45216 LP |
105 | |
106 | strv_free(c->well_known_names); | |
107 | c->well_known_names = NULL; | |
108 | ||
109 | bus_creds_done(c); | |
110 | ||
5b12334d LP |
111 | free(c); |
112 | } | |
113 | } else { | |
114 | sd_bus_message *m; | |
115 | ||
116 | m = container_of(c, sd_bus_message, creds); | |
117 | sd_bus_message_unref(m); | |
118 | } | |
119 | ||
120 | ||
121 | return NULL; | |
122 | } | |
123 | ||
4cf8496d | 124 | _public_ uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c) { |
5b12334d LP |
125 | assert_return(c, 0); |
126 | ||
127 | return c->mask; | |
128 | } | |
129 | ||
130 | sd_bus_creds* bus_creds_new(void) { | |
131 | sd_bus_creds *c; | |
132 | ||
133 | c = new0(sd_bus_creds, 1); | |
134 | if (!c) | |
135 | return NULL; | |
136 | ||
137 | c->allocated = true; | |
138 | c->n_ref = 1; | |
139 | return c; | |
140 | } | |
141 | ||
151b9b96 | 142 | _public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) { |
5b12334d LP |
143 | sd_bus_creds *c; |
144 | int r; | |
145 | ||
146 | assert_return(pid >= 0, -EINVAL); | |
95c4fe82 | 147 | assert_return(mask <= _SD_BUS_CREDS_ALL, -ENOTSUP); |
5b12334d LP |
148 | assert_return(ret, -EINVAL); |
149 | ||
150 | if (pid == 0) | |
151 | pid = getpid(); | |
152 | ||
153 | c = bus_creds_new(); | |
154 | if (!c) | |
155 | return -ENOMEM; | |
156 | ||
705a415f | 157 | r = bus_creds_add_more(c, mask | SD_BUS_CREDS_AUGMENT, pid, 0); |
5b12334d | 158 | if (r < 0) { |
0349c608 | 159 | sd_bus_creds_unref(c); |
5b12334d LP |
160 | return r; |
161 | } | |
162 | ||
163 | /* Check if the process existed at all, in case we haven't | |
164 | * figured that out already */ | |
9f5650ae | 165 | if (!pid_is_alive(pid)) { |
5b12334d LP |
166 | sd_bus_creds_unref(c); |
167 | return -ESRCH; | |
168 | } | |
169 | ||
170 | *ret = c; | |
171 | return 0; | |
172 | } | |
173 | ||
174 | _public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) { | |
175 | assert_return(c, -EINVAL); | |
176 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
177 | |
178 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
179 | return -ENODATA; | |
5b12334d LP |
180 | |
181 | *uid = c->uid; | |
182 | return 0; | |
183 | } | |
184 | ||
705a415f LP |
185 | _public_ int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid) { |
186 | assert_return(c, -EINVAL); | |
187 | assert_return(euid, -EINVAL); | |
188 | ||
189 | if (!(c->mask & SD_BUS_CREDS_EUID)) | |
190 | return -ENODATA; | |
191 | ||
192 | *euid = c->euid; | |
193 | return 0; | |
194 | } | |
195 | ||
196 | _public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) { | |
197 | assert_return(c, -EINVAL); | |
198 | assert_return(suid, -EINVAL); | |
199 | ||
200 | if (!(c->mask & SD_BUS_CREDS_SUID)) | |
201 | return -ENODATA; | |
202 | ||
203 | *suid = c->suid; | |
204 | return 0; | |
205 | } | |
206 | ||
207 | ||
208 | _public_ int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid) { | |
209 | assert_return(c, -EINVAL); | |
210 | assert_return(fsuid, -EINVAL); | |
211 | ||
212 | if (!(c->mask & SD_BUS_CREDS_FSUID)) | |
213 | return -ENODATA; | |
214 | ||
215 | *fsuid = c->fsuid; | |
216 | return 0; | |
217 | } | |
218 | ||
5b12334d LP |
219 | _public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) { |
220 | assert_return(c, -EINVAL); | |
221 | assert_return(gid, -EINVAL); | |
6a4abbc8 | 222 | |
1c021669 | 223 | if (!(c->mask & SD_BUS_CREDS_GID)) |
6a4abbc8 | 224 | return -ENODATA; |
5b12334d LP |
225 | |
226 | *gid = c->gid; | |
227 | return 0; | |
228 | } | |
229 | ||
705a415f LP |
230 | |
231 | _public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) { | |
232 | assert_return(c, -EINVAL); | |
233 | assert_return(egid, -EINVAL); | |
234 | ||
235 | if (!(c->mask & SD_BUS_CREDS_EGID)) | |
236 | return -ENODATA; | |
237 | ||
238 | *egid = c->egid; | |
239 | return 0; | |
240 | } | |
241 | ||
242 | _public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) { | |
243 | assert_return(c, -EINVAL); | |
244 | assert_return(sgid, -EINVAL); | |
245 | ||
246 | if (!(c->mask & SD_BUS_CREDS_SGID)) | |
247 | return -ENODATA; | |
248 | ||
249 | *sgid = c->sgid; | |
250 | return 0; | |
251 | } | |
252 | ||
705a415f LP |
253 | _public_ int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid) { |
254 | assert_return(c, -EINVAL); | |
255 | assert_return(fsgid, -EINVAL); | |
256 | ||
257 | if (!(c->mask & SD_BUS_CREDS_FSGID)) | |
258 | return -ENODATA; | |
259 | ||
260 | *fsgid = c->fsgid; | |
261 | return 0; | |
262 | } | |
263 | ||
02581590 LP |
264 | _public_ int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids) { |
265 | assert_return(c, -EINVAL); | |
266 | assert_return(gids, -EINVAL); | |
267 | ||
268 | if (!(c->mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS)) | |
269 | return -ENODATA; | |
270 | ||
271 | *gids = c->supplementary_gids; | |
272 | return (int) c->n_supplementary_gids; | |
273 | } | |
274 | ||
5b12334d LP |
275 | _public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) { |
276 | assert_return(c, -EINVAL); | |
277 | assert_return(pid, -EINVAL); | |
6a4abbc8 LP |
278 | |
279 | if (!(c->mask & SD_BUS_CREDS_PID)) | |
280 | return -ENODATA; | |
5b12334d LP |
281 | |
282 | assert(c->pid > 0); | |
283 | *pid = c->pid; | |
284 | return 0; | |
285 | } | |
286 | ||
287 | _public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) { | |
288 | assert_return(c, -EINVAL); | |
289 | assert_return(tid, -EINVAL); | |
6a4abbc8 LP |
290 | |
291 | if (!(c->mask & SD_BUS_CREDS_TID)) | |
292 | return -ENODATA; | |
5b12334d LP |
293 | |
294 | assert(c->tid > 0); | |
295 | *tid = c->tid; | |
296 | return 0; | |
297 | } | |
298 | ||
5b12334d LP |
299 | _public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) { |
300 | assert_return(c, -EINVAL); | |
6a4abbc8 LP |
301 | |
302 | if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) | |
303 | return -ENODATA; | |
5b12334d LP |
304 | |
305 | assert(c->label); | |
306 | *ret = c->label; | |
307 | return 0; | |
308 | } | |
309 | ||
310 | _public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) { | |
311 | assert_return(c, -EINVAL); | |
312 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
313 | |
314 | if (!(c->mask & SD_BUS_CREDS_COMM)) | |
315 | return -ENODATA; | |
5b12334d LP |
316 | |
317 | assert(c->comm); | |
318 | *ret = c->comm; | |
319 | return 0; | |
320 | } | |
321 | ||
322 | _public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) { | |
323 | assert_return(c, -EINVAL); | |
324 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
325 | |
326 | if (!(c->mask & SD_BUS_CREDS_TID_COMM)) | |
327 | return -ENODATA; | |
5b12334d LP |
328 | |
329 | assert(c->tid_comm); | |
330 | *ret = c->tid_comm; | |
331 | return 0; | |
332 | } | |
333 | ||
334 | _public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) { | |
335 | assert_return(c, -EINVAL); | |
336 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
337 | |
338 | if (!(c->mask & SD_BUS_CREDS_EXE)) | |
339 | return -ENODATA; | |
5b12334d LP |
340 | |
341 | assert(c->exe); | |
342 | *ret = c->exe; | |
343 | return 0; | |
344 | } | |
345 | ||
346 | _public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) { | |
347 | assert_return(c, -EINVAL); | |
348 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
349 | |
350 | if (!(c->mask & SD_BUS_CREDS_CGROUP)) | |
351 | return -ENODATA; | |
5b12334d LP |
352 | |
353 | assert(c->cgroup); | |
354 | *ret = c->cgroup; | |
355 | return 0; | |
356 | } | |
357 | ||
358 | _public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) { | |
359 | int r; | |
360 | ||
361 | assert_return(c, -EINVAL); | |
362 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
363 | |
364 | if (!(c->mask & SD_BUS_CREDS_UNIT)) | |
365 | return -ENODATA; | |
5b12334d LP |
366 | |
367 | assert(c->cgroup); | |
368 | ||
369 | if (!c->unit) { | |
751bc6ac LP |
370 | const char *shifted; |
371 | ||
372 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
373 | if (r < 0) | |
374 | return r; | |
375 | ||
376 | r = cg_path_get_unit(shifted, (char**) &c->unit); | |
5b12334d LP |
377 | if (r < 0) |
378 | return r; | |
379 | } | |
380 | ||
381 | *ret = c->unit; | |
382 | return 0; | |
383 | } | |
384 | ||
385 | _public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) { | |
386 | int r; | |
387 | ||
388 | assert_return(c, -EINVAL); | |
389 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
390 | |
391 | if (!(c->mask & SD_BUS_CREDS_USER_UNIT)) | |
392 | return -ENODATA; | |
5b12334d LP |
393 | |
394 | assert(c->cgroup); | |
395 | ||
396 | if (!c->user_unit) { | |
751bc6ac LP |
397 | const char *shifted; |
398 | ||
399 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
400 | if (r < 0) | |
401 | return r; | |
402 | ||
403 | r = cg_path_get_user_unit(shifted, (char**) &c->user_unit); | |
5b12334d LP |
404 | if (r < 0) |
405 | return r; | |
406 | } | |
407 | ||
408 | *ret = c->user_unit; | |
409 | return 0; | |
410 | } | |
411 | ||
412 | _public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) { | |
413 | int r; | |
414 | ||
415 | assert_return(c, -EINVAL); | |
416 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
417 | |
418 | if (!(c->mask & SD_BUS_CREDS_SLICE)) | |
419 | return -ENODATA; | |
5b12334d LP |
420 | |
421 | assert(c->cgroup); | |
422 | ||
423 | if (!c->slice) { | |
751bc6ac LP |
424 | const char *shifted; |
425 | ||
426 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
427 | if (r < 0) | |
428 | return r; | |
429 | ||
430 | r = cg_path_get_slice(shifted, (char**) &c->slice); | |
5b12334d LP |
431 | if (r < 0) |
432 | return r; | |
433 | } | |
434 | ||
435 | *ret = c->slice; | |
436 | return 0; | |
437 | } | |
438 | ||
439 | _public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) { | |
440 | int r; | |
441 | ||
442 | assert_return(c, -EINVAL); | |
443 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
444 | |
445 | if (!(c->mask & SD_BUS_CREDS_SESSION)) | |
446 | return -ENODATA; | |
5b12334d LP |
447 | |
448 | assert(c->cgroup); | |
449 | ||
450 | if (!c->session) { | |
751bc6ac LP |
451 | const char *shifted; |
452 | ||
453 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
454 | if (r < 0) | |
455 | return r; | |
456 | ||
457 | r = cg_path_get_session(shifted, (char**) &c->session); | |
5b12334d LP |
458 | if (r < 0) |
459 | return r; | |
460 | } | |
461 | ||
462 | *ret = c->session; | |
463 | return 0; | |
464 | } | |
465 | ||
466 | _public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) { | |
751bc6ac LP |
467 | const char *shifted; |
468 | int r; | |
469 | ||
5b12334d LP |
470 | assert_return(c, -EINVAL); |
471 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
472 | |
473 | if (!(c->mask & SD_BUS_CREDS_OWNER_UID)) | |
474 | return -ENODATA; | |
5b12334d LP |
475 | |
476 | assert(c->cgroup); | |
477 | ||
751bc6ac LP |
478 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); |
479 | if (r < 0) | |
480 | return r; | |
481 | ||
482 | return cg_path_get_owner_uid(shifted, uid); | |
5b12334d LP |
483 | } |
484 | ||
485 | _public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) { | |
5b12334d | 486 | assert_return(c, -EINVAL); |
6a4abbc8 LP |
487 | |
488 | if (!(c->mask & SD_BUS_CREDS_CMDLINE)) | |
489 | return -ENODATA; | |
5b12334d | 490 | |
689bd78d | 491 | assert_return(c->cmdline, -ESRCH); |
5b12334d LP |
492 | assert(c->cmdline); |
493 | ||
49b832c5 LP |
494 | if (!c->cmdline_array) { |
495 | c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size); | |
496 | if (!c->cmdline_array) | |
497 | return -ENOMEM; | |
5b12334d LP |
498 | } |
499 | ||
5b12334d | 500 | *cmdline = c->cmdline_array; |
5b12334d LP |
501 | return 0; |
502 | } | |
503 | ||
504 | _public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) { | |
505 | assert_return(c, -EINVAL); | |
506 | assert_return(sessionid, -EINVAL); | |
6a4abbc8 LP |
507 | |
508 | if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID)) | |
509 | return -ENODATA; | |
5b12334d LP |
510 | |
511 | *sessionid = c->audit_session_id; | |
512 | return 0; | |
513 | } | |
514 | ||
515 | _public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) { | |
516 | assert_return(c, -EINVAL); | |
517 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
518 | |
519 | if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID)) | |
520 | return -ENODATA; | |
5b12334d LP |
521 | |
522 | *uid = c->audit_login_uid; | |
523 | return 0; | |
524 | } | |
525 | ||
49b832c5 LP |
526 | _public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) { |
527 | assert_return(c, -EINVAL); | |
528 | assert_return(unique_name, -EINVAL); | |
6a4abbc8 LP |
529 | |
530 | if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME)) | |
531 | return -ENODATA; | |
49b832c5 LP |
532 | |
533 | *unique_name = c->unique_name; | |
534 | return 0; | |
535 | } | |
536 | ||
537 | _public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) { | |
538 | assert_return(c, -EINVAL); | |
539 | assert_return(well_known_names, -EINVAL); | |
6a4abbc8 LP |
540 | |
541 | if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES)) | |
542 | return -ENODATA; | |
49b832c5 | 543 | |
ac653862 LP |
544 | /* As a special hack we return the bus driver as well-known |
545 | * names list when this is requested. */ | |
546 | if (c->well_known_names_driver) { | |
547 | static const char* const wkn[] = { | |
548 | "org.freedesktop.DBus", | |
549 | NULL | |
550 | }; | |
551 | ||
552 | *well_known_names = (char**) wkn; | |
553 | return 0; | |
554 | } | |
555 | ||
fb6d9b77 LP |
556 | if (c->well_known_names_local) { |
557 | static const char* const wkn[] = { | |
558 | "org.freedesktop.DBus.Local", | |
559 | NULL | |
560 | }; | |
561 | ||
562 | *well_known_names = (char**) wkn; | |
563 | return 0; | |
564 | } | |
565 | ||
65dae17a | 566 | *well_known_names = c->well_known_names; |
49b832c5 LP |
567 | return 0; |
568 | } | |
569 | ||
455971c1 | 570 | _public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) { |
cccb0b2c LP |
571 | assert_return(c, -EINVAL); |
572 | assert_return(ret, -EINVAL); | |
573 | ||
455971c1 | 574 | if (!(c->mask & SD_BUS_CREDS_DESCRIPTION)) |
cccb0b2c LP |
575 | return -ENODATA; |
576 | ||
455971c1 | 577 | assert(c->description); |
2578d51e | 578 | |
455971c1 LP |
579 | if (!c->unescaped_description) { |
580 | c->unescaped_description = bus_label_unescape(c->description); | |
581 | if (!c->unescaped_description) | |
2578d51e LP |
582 | return -ENOMEM; |
583 | } | |
584 | ||
455971c1 | 585 | *ret = c->unescaped_description; |
cccb0b2c LP |
586 | return 0; |
587 | } | |
588 | ||
5b12334d LP |
589 | static int has_cap(sd_bus_creds *c, unsigned offset, int capability) { |
590 | size_t sz; | |
591 | ||
592 | assert(c); | |
34a5d5e5 | 593 | assert(capability >= 0); |
5b12334d LP |
594 | assert(c->capability); |
595 | ||
7d9fcc2b | 596 | sz = DIV_ROUND_UP(cap_last_cap(), 32U); |
34a5d5e5 | 597 | if ((unsigned)capability > cap_last_cap()) |
5b12334d LP |
598 | return 0; |
599 | ||
7d9fcc2b | 600 | return !!(c->capability[offset * sz + CAP_TO_INDEX(capability)] & CAP_TO_MASK(capability)); |
5b12334d LP |
601 | } |
602 | ||
603 | _public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) { | |
604 | assert_return(c, -EINVAL); | |
605 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
606 | |
607 | if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS)) | |
608 | return -ENODATA; | |
5b12334d LP |
609 | |
610 | return has_cap(c, CAP_OFFSET_EFFECTIVE, capability); | |
611 | } | |
612 | ||
613 | _public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) { | |
614 | assert_return(c, -EINVAL); | |
615 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
616 | |
617 | if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS)) | |
618 | return -ENODATA; | |
5b12334d LP |
619 | |
620 | return has_cap(c, CAP_OFFSET_PERMITTED, capability); | |
621 | } | |
622 | ||
623 | _public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) { | |
624 | assert_return(c, -EINVAL); | |
625 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
626 | |
627 | if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS)) | |
628 | return -ENODATA; | |
5b12334d LP |
629 | |
630 | return has_cap(c, CAP_OFFSET_INHERITABLE, capability); | |
631 | } | |
632 | ||
633 | _public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) { | |
634 | assert_return(c, -EINVAL); | |
635 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
636 | |
637 | if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS)) | |
638 | return -ENODATA; | |
5b12334d LP |
639 | |
640 | return has_cap(c, CAP_OFFSET_BOUNDING, capability); | |
641 | } | |
642 | ||
643 | static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) { | |
34a5d5e5 | 644 | size_t sz, max; |
7d9fcc2b | 645 | unsigned i, j; |
5b12334d LP |
646 | |
647 | assert(c); | |
648 | assert(p); | |
649 | ||
7d9fcc2b | 650 | max = DIV_ROUND_UP(cap_last_cap(), 32U); |
5b12334d LP |
651 | p += strspn(p, WHITESPACE); |
652 | ||
653 | sz = strlen(p); | |
7d9fcc2b | 654 | if (sz % 8 != 0) |
5b12334d LP |
655 | return -EINVAL; |
656 | ||
7d9fcc2b | 657 | sz /= 8; |
34a5d5e5 DH |
658 | if (sz > max) |
659 | return -EINVAL; | |
660 | ||
5b12334d | 661 | if (!c->capability) { |
7d9fcc2b | 662 | c->capability = new0(uint32_t, max * 4); |
5b12334d LP |
663 | if (!c->capability) |
664 | return -ENOMEM; | |
5b12334d LP |
665 | } |
666 | ||
667 | for (i = 0; i < sz; i ++) { | |
7d9fcc2b | 668 | uint32_t v = 0; |
5b12334d | 669 | |
7d9fcc2b DH |
670 | for (j = 0; j < 8; ++j) { |
671 | int t; | |
5b12334d | 672 | |
7d9fcc2b DH |
673 | t = unhexchar(*p++); |
674 | if (t < 0) | |
675 | return -EINVAL; | |
5b12334d | 676 | |
7d9fcc2b DH |
677 | v = (v << 4) | t; |
678 | } | |
679 | ||
680 | c->capability[offset * max + (sz - i - 1)] = v; | |
5b12334d LP |
681 | } |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
686 | int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) { | |
687 | uint64_t missing; | |
688 | int r; | |
689 | ||
690 | assert(c); | |
691 | assert(c->allocated); | |
692 | ||
705a415f LP |
693 | if (!(mask & SD_BUS_CREDS_AUGMENT)) |
694 | return 0; | |
695 | ||
5b12334d LP |
696 | missing = mask & ~c->mask; |
697 | if (missing == 0) | |
698 | return 0; | |
699 | ||
700 | /* Try to retrieve PID from creds if it wasn't passed to us */ | |
701 | if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID)) | |
702 | pid = c->pid; | |
703 | ||
704 | if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID)) | |
705 | tid = c->pid; | |
706 | ||
707 | /* Without pid we cannot do much... */ | |
708 | if (pid <= 0) | |
709 | return 0; | |
710 | ||
705a415f LP |
711 | if (pid > 0) { |
712 | c->pid = pid; | |
713 | c->mask |= SD_BUS_CREDS_PID; | |
714 | } | |
715 | ||
716 | if (tid > 0) { | |
717 | c->tid = tid; | |
718 | c->mask |= SD_BUS_CREDS_TID; | |
719 | } | |
720 | ||
721 | if (missing & (SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_SUID | SD_BUS_CREDS_FSUID | | |
722 | SD_BUS_CREDS_GID | SD_BUS_CREDS_EGID | SD_BUS_CREDS_SGID | SD_BUS_CREDS_FSGID | | |
02581590 | 723 | SD_BUS_CREDS_SUPPLEMENTARY_GIDS | |
5b12334d LP |
724 | SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS | |
725 | SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) { | |
726 | ||
727 | _cleanup_fclose_ FILE *f = NULL; | |
5b12334d LP |
728 | const char *p; |
729 | ||
730 | p = procfs_file_alloca(pid, "status"); | |
731 | ||
732 | f = fopen(p, "re"); | |
705a415f LP |
733 | if (!f) { |
734 | if (errno == ENOENT) | |
735 | return -ESRCH; | |
736 | else if (errno != EPERM && errno != EACCES) | |
737 | return -errno; | |
738 | } else { | |
739 | char line[LINE_MAX]; | |
740 | ||
741 | FOREACH_LINE(line, f, return -errno) { | |
742 | truncate_nl(line); | |
743 | ||
744 | if (missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID)) { | |
745 | p = startswith(line, "Uid:"); | |
746 | if (p) { | |
747 | unsigned long uid, euid, suid, fsuid; | |
748 | ||
749 | p += strspn(p, WHITESPACE); | |
750 | if (sscanf(p, "%lu %lu %lu %lu", &uid, &euid, &suid, &fsuid) != 4) | |
751 | return -EIO; | |
752 | ||
753 | c->uid = (uid_t) uid; | |
754 | c->euid = (uid_t) euid; | |
755 | c->suid = (uid_t) suid; | |
756 | c->fsuid = (uid_t) fsuid; | |
757 | c->mask |= missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID); | |
758 | continue; | |
759 | } | |
5b12334d | 760 | } |
5b12334d | 761 | |
705a415f LP |
762 | if (missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID)) { |
763 | p = startswith(line, "Gid:"); | |
764 | if (p) { | |
765 | unsigned long gid, egid, sgid, fsgid; | |
766 | ||
767 | p += strspn(p, WHITESPACE); | |
768 | if (sscanf(p, "%lu %lu %lu %lu", &gid, &egid, &sgid, &fsgid) != 4) | |
769 | return -EIO; | |
770 | ||
771 | c->gid = (gid_t) gid; | |
772 | c->egid = (gid_t) egid; | |
773 | c->sgid = (gid_t) sgid; | |
774 | c->fsgid = (gid_t) fsgid; | |
775 | c->mask |= missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID); | |
776 | continue; | |
777 | } | |
5b12334d | 778 | } |
5b12334d | 779 | |
02581590 LP |
780 | if (missing & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
781 | p = startswith(line, "Groups:"); | |
782 | if (p) { | |
783 | size_t allocated = 0; | |
784 | ||
785 | for (;;) { | |
786 | unsigned long g; | |
787 | int n = 0; | |
788 | ||
789 | p += strspn(p, WHITESPACE); | |
790 | if (*p == 0) | |
791 | break; | |
792 | ||
793 | if (sscanf(p, "%lu%n", &g, &n) != 1) | |
794 | return -EIO; | |
795 | ||
796 | if (!GREEDY_REALLOC(c->supplementary_gids, allocated, c->n_supplementary_gids+1)) | |
797 | return -ENOMEM; | |
798 | ||
799 | c->supplementary_gids[c->n_supplementary_gids++] = (gid_t) g; | |
800 | p += n; | |
801 | } | |
802 | ||
803 | c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
804 | continue; | |
805 | } | |
806 | } | |
807 | ||
705a415f LP |
808 | if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) { |
809 | p = startswith(line, "CapEff:"); | |
810 | if (p) { | |
811 | r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p); | |
812 | if (r < 0) | |
813 | return r; | |
5b12334d | 814 | |
705a415f LP |
815 | c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS; |
816 | continue; | |
817 | } | |
5b12334d | 818 | } |
5b12334d | 819 | |
705a415f LP |
820 | if (missing & SD_BUS_CREDS_PERMITTED_CAPS) { |
821 | p = startswith(line, "CapPrm:"); | |
822 | if (p) { | |
823 | r = parse_caps(c, CAP_OFFSET_PERMITTED, p); | |
824 | if (r < 0) | |
825 | return r; | |
5b12334d | 826 | |
705a415f LP |
827 | c->mask |= SD_BUS_CREDS_PERMITTED_CAPS; |
828 | continue; | |
829 | } | |
5b12334d | 830 | } |
5b12334d | 831 | |
705a415f LP |
832 | if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) { |
833 | p = startswith(line, "CapInh:"); | |
834 | if (p) { | |
835 | r = parse_caps(c, CAP_OFFSET_INHERITABLE, p); | |
836 | if (r < 0) | |
837 | return r; | |
5b12334d | 838 | |
705a415f LP |
839 | c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS; |
840 | continue; | |
841 | } | |
5b12334d | 842 | } |
5b12334d | 843 | |
705a415f LP |
844 | if (missing & SD_BUS_CREDS_BOUNDING_CAPS) { |
845 | p = startswith(line, "CapBnd:"); | |
846 | if (p) { | |
847 | r = parse_caps(c, CAP_OFFSET_BOUNDING, p); | |
848 | if (r < 0) | |
849 | return r; | |
5b12334d | 850 | |
705a415f LP |
851 | c->mask |= SD_BUS_CREDS_BOUNDING_CAPS; |
852 | continue; | |
853 | } | |
5b12334d LP |
854 | } |
855 | } | |
856 | } | |
857 | } | |
858 | ||
5b12334d LP |
859 | if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) { |
860 | const char *p; | |
861 | ||
862 | p = procfs_file_alloca(pid, "attr/current"); | |
863 | r = read_one_line_file(p, &c->label); | |
705a415f LP |
864 | if (r < 0) { |
865 | if (r != -ENOENT && r != -EINVAL && r != -EPERM && r != -EACCES) | |
866 | return r; | |
867 | } else | |
5b12334d LP |
868 | c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; |
869 | } | |
870 | ||
871 | if (missing & SD_BUS_CREDS_COMM) { | |
872 | r = get_process_comm(pid, &c->comm); | |
705a415f LP |
873 | if (r < 0) { |
874 | if (r != -EPERM && r != -EACCES) | |
875 | return r; | |
876 | } else | |
877 | c->mask |= SD_BUS_CREDS_COMM; | |
5b12334d LP |
878 | } |
879 | ||
880 | if (missing & SD_BUS_CREDS_EXE) { | |
881 | r = get_process_exe(pid, &c->exe); | |
705a415f LP |
882 | if (r < 0) { |
883 | if (r != -EPERM && r != -EACCES) | |
884 | return r; | |
885 | } else | |
886 | c->mask |= SD_BUS_CREDS_EXE; | |
5b12334d LP |
887 | } |
888 | ||
889 | if (missing & SD_BUS_CREDS_CMDLINE) { | |
890 | const char *p; | |
891 | ||
892 | p = procfs_file_alloca(pid, "cmdline"); | |
49b832c5 | 893 | r = read_full_file(p, &c->cmdline, &c->cmdline_size); |
705a415f LP |
894 | if (r < 0) { |
895 | if (r == -ENOENT) | |
896 | return -ESRCH; | |
897 | if (r != -EPERM && r != -EACCES) | |
898 | return r; | |
899 | } else { | |
900 | if (c->cmdline_size == 0) { | |
901 | free(c->cmdline); | |
902 | c->cmdline = NULL; | |
903 | } else | |
904 | c->mask |= SD_BUS_CREDS_CMDLINE; | |
905 | } | |
5b12334d LP |
906 | } |
907 | ||
908 | if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) { | |
909 | _cleanup_free_ char *p = NULL; | |
910 | ||
de0671ee | 911 | if (asprintf(&p, "/proc/"PID_FMT"/task/"PID_FMT"/comm", pid, tid) < 0) |
5b12334d LP |
912 | return -ENOMEM; |
913 | ||
914 | r = read_one_line_file(p, &c->tid_comm); | |
705a415f LP |
915 | if (r < 0) { |
916 | if (r == -ENOENT) | |
917 | return -ESRCH; | |
918 | if (r != -EPERM && r != -EACCES) | |
919 | return r; | |
920 | } else | |
921 | c->mask |= SD_BUS_CREDS_TID_COMM; | |
5b12334d LP |
922 | } |
923 | ||
924 | 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)) { | |
925 | ||
926 | r = cg_pid_get_path(NULL, pid, &c->cgroup); | |
705a415f LP |
927 | if (r < 0) { |
928 | if (r != -EPERM && r != -EACCES) | |
929 | return r; | |
930 | } else { | |
931 | r = cg_get_root_path(&c->cgroup_root); | |
932 | if (r < 0) | |
933 | return r; | |
934 | ||
935 | 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); | |
936 | } | |
5b12334d LP |
937 | } |
938 | ||
939 | if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
940 | r = audit_session_from_pid(pid, &c->audit_session_id); | |
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_SESSION_ID; |
946 | } | |
947 | ||
948 | if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
949 | r = audit_loginuid_from_pid(pid, &c->audit_login_uid); | |
705a415f LP |
950 | if (r < 0) { |
951 | if (r != -ENOTSUP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) | |
952 | return r; | |
953 | } else | |
5b12334d LP |
954 | c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; |
955 | } | |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
49b832c5 | 960 | int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) { |
5b12334d LP |
961 | _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL; |
962 | int r; | |
963 | ||
49b832c5 LP |
964 | assert(c); |
965 | assert(ret); | |
5b12334d | 966 | |
705a415f LP |
967 | if ((mask & ~c->mask) == 0 || (!(mask & SD_BUS_CREDS_AUGMENT))) { |
968 | /* There's already all data we need, or augmentation | |
969 | * wasn't turned on. */ | |
5b12334d LP |
970 | |
971 | *ret = sd_bus_creds_ref(c); | |
972 | return 0; | |
973 | } | |
974 | ||
975 | n = bus_creds_new(); | |
976 | if (!n) | |
977 | return -ENOMEM; | |
978 | ||
979 | /* Copy the original data over */ | |
980 | ||
981 | if (c->mask & mask & SD_BUS_CREDS_UID) { | |
982 | n->uid = c->uid; | |
983 | n->mask |= SD_BUS_CREDS_UID; | |
984 | } | |
985 | ||
705a415f LP |
986 | if (c->mask & mask & SD_BUS_CREDS_EUID) { |
987 | n->euid = c->euid; | |
988 | n->mask |= SD_BUS_CREDS_EUID; | |
989 | } | |
990 | ||
991 | if (c->mask & mask & SD_BUS_CREDS_SUID) { | |
992 | n->suid = c->suid; | |
993 | n->mask |= SD_BUS_CREDS_SUID; | |
994 | } | |
995 | ||
996 | if (c->mask & mask & SD_BUS_CREDS_FSUID) { | |
997 | n->fsuid = c->fsuid; | |
998 | n->mask |= SD_BUS_CREDS_FSUID; | |
999 | } | |
1000 | ||
5b12334d LP |
1001 | if (c->mask & mask & SD_BUS_CREDS_GID) { |
1002 | n->gid = c->gid; | |
1003 | n->mask |= SD_BUS_CREDS_GID; | |
1004 | } | |
1005 | ||
705a415f LP |
1006 | if (c->mask & mask & SD_BUS_CREDS_EGID) { |
1007 | n->egid = c->egid; | |
1008 | n->mask |= SD_BUS_CREDS_EGID; | |
1009 | } | |
1010 | ||
1011 | if (c->mask & mask & SD_BUS_CREDS_SGID) { | |
1012 | n->sgid = c->sgid; | |
1013 | n->mask |= SD_BUS_CREDS_SGID; | |
1014 | } | |
1015 | ||
1016 | if (c->mask & mask & SD_BUS_CREDS_FSGID) { | |
1017 | n->fsgid = c->fsgid; | |
1018 | n->mask |= SD_BUS_CREDS_FSGID; | |
1019 | } | |
1020 | ||
02581590 LP |
1021 | if (c->mask & mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
1022 | n->supplementary_gids = newdup(gid_t, c->supplementary_gids, c->n_supplementary_gids); | |
1023 | if (!n->supplementary_gids) | |
1024 | return -ENOMEM; | |
1025 | n->n_supplementary_gids = c->n_supplementary_gids; | |
1026 | n->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
1027 | } | |
1028 | ||
5b12334d LP |
1029 | if (c->mask & mask & SD_BUS_CREDS_PID) { |
1030 | n->pid = c->pid; | |
1031 | n->mask |= SD_BUS_CREDS_PID; | |
1032 | } | |
1033 | ||
1034 | if (c->mask & mask & SD_BUS_CREDS_TID) { | |
1035 | n->tid = c->tid; | |
1036 | n->mask |= SD_BUS_CREDS_TID; | |
1037 | } | |
1038 | ||
5b12334d LP |
1039 | if (c->mask & mask & SD_BUS_CREDS_COMM) { |
1040 | n->comm = strdup(c->comm); | |
1041 | if (!n->comm) | |
1042 | return -ENOMEM; | |
1043 | ||
1044 | n->mask |= SD_BUS_CREDS_COMM; | |
1045 | } | |
1046 | ||
1047 | if (c->mask & mask & SD_BUS_CREDS_TID_COMM) { | |
1048 | n->tid_comm = strdup(c->tid_comm); | |
1049 | if (!n->tid_comm) | |
1050 | return -ENOMEM; | |
1051 | ||
1052 | n->mask |= SD_BUS_CREDS_TID_COMM; | |
1053 | } | |
1054 | ||
1055 | if (c->mask & mask & SD_BUS_CREDS_EXE) { | |
1056 | n->exe = strdup(c->exe); | |
1057 | if (!n->exe) | |
1058 | return -ENOMEM; | |
1059 | ||
1060 | n->mask |= SD_BUS_CREDS_EXE; | |
1061 | } | |
1062 | ||
1063 | if (c->mask & mask & SD_BUS_CREDS_CMDLINE) { | |
49b832c5 | 1064 | n->cmdline = memdup(c->cmdline, c->cmdline_size); |
5b12334d LP |
1065 | if (!n->cmdline) |
1066 | return -ENOMEM; | |
1067 | ||
49b832c5 | 1068 | n->cmdline_size = c->cmdline_size; |
5b12334d LP |
1069 | n->mask |= SD_BUS_CREDS_CMDLINE; |
1070 | } | |
1071 | ||
1072 | 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)) { | |
1073 | n->cgroup = strdup(c->cgroup); | |
1074 | if (!n->cgroup) | |
1075 | return -ENOMEM; | |
1076 | ||
751bc6ac LP |
1077 | n->cgroup_root = strdup(c->cgroup_root); |
1078 | if (!n->cgroup_root) | |
1079 | return -ENOMEM; | |
1080 | ||
5b12334d LP |
1081 | 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); |
1082 | } | |
1083 | ||
1084 | 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 | 1085 | n->capability = memdup(c->capability, DIV_ROUND_UP(cap_last_cap(), 32U) * 4 * 4); |
5b12334d LP |
1086 | if (!n->capability) |
1087 | return -ENOMEM; | |
1088 | ||
5b12334d LP |
1089 | 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); |
1090 | } | |
1091 | ||
a6ede528 LP |
1092 | if (c->mask & mask & SD_BUS_CREDS_SELINUX_CONTEXT) { |
1093 | n->label = strdup(c->label); | |
1094 | if (!n->label) | |
1095 | return -ENOMEM; | |
1096 | n->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; | |
1097 | } | |
1098 | ||
5b12334d LP |
1099 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) { |
1100 | n->audit_session_id = c->audit_session_id; | |
1101 | n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; | |
1102 | } | |
5b12334d LP |
1103 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) { |
1104 | n->audit_login_uid = c->audit_login_uid; | |
1105 | n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; | |
1106 | } | |
1107 | ||
49b832c5 LP |
1108 | if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) { |
1109 | n->unique_name = strdup(c->unique_name); | |
1110 | if (!n->unique_name) | |
1111 | return -ENOMEM; | |
a6ede528 | 1112 | n->mask |= SD_BUS_CREDS_UNIQUE_NAME; |
49b832c5 LP |
1113 | } |
1114 | ||
1115 | if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) { | |
65dae17a | 1116 | n->well_known_names = strv_copy(c->well_known_names); |
49b832c5 LP |
1117 | if (!n->well_known_names) |
1118 | return -ENOMEM; | |
a6ede528 LP |
1119 | n->mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES; |
1120 | } | |
1121 | ||
1122 | if (c->mask & mask & SD_BUS_CREDS_DESCRIPTION) { | |
1123 | n->description = strdup(c->description); | |
1124 | if (!n->description) | |
1125 | return -ENOMEM; | |
1126 | n->mask |= SD_BUS_CREDS_DESCRIPTION; | |
49b832c5 LP |
1127 | } |
1128 | ||
5b12334d LP |
1129 | /* Get more data */ |
1130 | ||
1131 | r = bus_creds_add_more(n, mask, | |
1132 | c->mask & SD_BUS_CREDS_PID ? c->pid : 0, | |
1133 | c->mask & SD_BUS_CREDS_TID ? c->tid : 0); | |
1134 | if (r < 0) | |
1135 | return r; | |
1136 | ||
1137 | *ret = n; | |
1138 | n = NULL; | |
1139 | return 0; | |
1140 | } |