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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 | ||
0f514420 LP |
134 | _public_ uint64_t sd_bus_creds_get_augmented_mask(const sd_bus_creds *c) { |
135 | assert_return(c, 0); | |
136 | ||
137 | return c->augmented; | |
138 | } | |
139 | ||
5b12334d LP |
140 | sd_bus_creds* bus_creds_new(void) { |
141 | sd_bus_creds *c; | |
142 | ||
143 | c = new0(sd_bus_creds, 1); | |
144 | if (!c) | |
145 | return NULL; | |
146 | ||
147 | c->allocated = true; | |
148 | c->n_ref = 1; | |
149 | return c; | |
150 | } | |
151 | ||
151b9b96 | 152 | _public_ int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t mask) { |
5b12334d LP |
153 | sd_bus_creds *c; |
154 | int r; | |
155 | ||
156 | assert_return(pid >= 0, -EINVAL); | |
15411c0c | 157 | assert_return(mask <= _SD_BUS_CREDS_ALL, -EOPNOTSUPP); |
5b12334d LP |
158 | assert_return(ret, -EINVAL); |
159 | ||
160 | if (pid == 0) | |
161 | pid = getpid(); | |
162 | ||
163 | c = bus_creds_new(); | |
164 | if (!c) | |
165 | return -ENOMEM; | |
166 | ||
705a415f | 167 | r = bus_creds_add_more(c, mask | SD_BUS_CREDS_AUGMENT, pid, 0); |
5b12334d | 168 | if (r < 0) { |
0349c608 | 169 | sd_bus_creds_unref(c); |
5b12334d LP |
170 | return r; |
171 | } | |
172 | ||
173 | /* Check if the process existed at all, in case we haven't | |
174 | * figured that out already */ | |
9f5650ae | 175 | if (!pid_is_alive(pid)) { |
5b12334d LP |
176 | sd_bus_creds_unref(c); |
177 | return -ESRCH; | |
178 | } | |
179 | ||
180 | *ret = c; | |
181 | return 0; | |
182 | } | |
183 | ||
184 | _public_ int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid) { | |
185 | assert_return(c, -EINVAL); | |
186 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
187 | |
188 | if (!(c->mask & SD_BUS_CREDS_UID)) | |
189 | return -ENODATA; | |
5b12334d LP |
190 | |
191 | *uid = c->uid; | |
192 | return 0; | |
193 | } | |
194 | ||
705a415f LP |
195 | _public_ int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid) { |
196 | assert_return(c, -EINVAL); | |
197 | assert_return(euid, -EINVAL); | |
198 | ||
199 | if (!(c->mask & SD_BUS_CREDS_EUID)) | |
200 | return -ENODATA; | |
201 | ||
202 | *euid = c->euid; | |
203 | return 0; | |
204 | } | |
205 | ||
206 | _public_ int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid) { | |
207 | assert_return(c, -EINVAL); | |
208 | assert_return(suid, -EINVAL); | |
209 | ||
210 | if (!(c->mask & SD_BUS_CREDS_SUID)) | |
211 | return -ENODATA; | |
212 | ||
213 | *suid = c->suid; | |
214 | return 0; | |
215 | } | |
216 | ||
217 | ||
218 | _public_ int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid) { | |
219 | assert_return(c, -EINVAL); | |
220 | assert_return(fsuid, -EINVAL); | |
221 | ||
222 | if (!(c->mask & SD_BUS_CREDS_FSUID)) | |
223 | return -ENODATA; | |
224 | ||
225 | *fsuid = c->fsuid; | |
226 | return 0; | |
227 | } | |
228 | ||
5b12334d LP |
229 | _public_ int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid) { |
230 | assert_return(c, -EINVAL); | |
231 | assert_return(gid, -EINVAL); | |
6a4abbc8 | 232 | |
1c021669 | 233 | if (!(c->mask & SD_BUS_CREDS_GID)) |
6a4abbc8 | 234 | return -ENODATA; |
5b12334d LP |
235 | |
236 | *gid = c->gid; | |
237 | return 0; | |
238 | } | |
239 | ||
705a415f LP |
240 | _public_ int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid) { |
241 | assert_return(c, -EINVAL); | |
242 | assert_return(egid, -EINVAL); | |
243 | ||
244 | if (!(c->mask & SD_BUS_CREDS_EGID)) | |
245 | return -ENODATA; | |
246 | ||
247 | *egid = c->egid; | |
248 | return 0; | |
249 | } | |
250 | ||
251 | _public_ int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid) { | |
252 | assert_return(c, -EINVAL); | |
253 | assert_return(sgid, -EINVAL); | |
254 | ||
255 | if (!(c->mask & SD_BUS_CREDS_SGID)) | |
256 | return -ENODATA; | |
257 | ||
258 | *sgid = c->sgid; | |
259 | return 0; | |
260 | } | |
261 | ||
705a415f LP |
262 | _public_ int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid) { |
263 | assert_return(c, -EINVAL); | |
264 | assert_return(fsgid, -EINVAL); | |
265 | ||
266 | if (!(c->mask & SD_BUS_CREDS_FSGID)) | |
267 | return -ENODATA; | |
268 | ||
269 | *fsgid = c->fsgid; | |
270 | return 0; | |
271 | } | |
272 | ||
02581590 LP |
273 | _public_ int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids) { |
274 | assert_return(c, -EINVAL); | |
275 | assert_return(gids, -EINVAL); | |
276 | ||
277 | if (!(c->mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS)) | |
278 | return -ENODATA; | |
279 | ||
280 | *gids = c->supplementary_gids; | |
281 | return (int) c->n_supplementary_gids; | |
282 | } | |
283 | ||
5b12334d LP |
284 | _public_ int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid) { |
285 | assert_return(c, -EINVAL); | |
286 | assert_return(pid, -EINVAL); | |
6a4abbc8 LP |
287 | |
288 | if (!(c->mask & SD_BUS_CREDS_PID)) | |
289 | return -ENODATA; | |
5b12334d LP |
290 | |
291 | assert(c->pid > 0); | |
292 | *pid = c->pid; | |
293 | return 0; | |
294 | } | |
295 | ||
1386e47d LP |
296 | _public_ int sd_bus_creds_get_ppid(sd_bus_creds *c, pid_t *ppid) { |
297 | assert_return(c, -EINVAL); | |
298 | assert_return(ppid, -EINVAL); | |
299 | ||
300 | if (!(c->mask & SD_BUS_CREDS_PPID)) | |
301 | return -ENODATA; | |
302 | ||
303 | *ppid = c->ppid; | |
304 | return 0; | |
305 | } | |
306 | ||
5b12334d LP |
307 | _public_ int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid) { |
308 | assert_return(c, -EINVAL); | |
309 | assert_return(tid, -EINVAL); | |
6a4abbc8 LP |
310 | |
311 | if (!(c->mask & SD_BUS_CREDS_TID)) | |
312 | return -ENODATA; | |
5b12334d LP |
313 | |
314 | assert(c->tid > 0); | |
315 | *tid = c->tid; | |
316 | return 0; | |
317 | } | |
318 | ||
5b12334d LP |
319 | _public_ int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **ret) { |
320 | assert_return(c, -EINVAL); | |
6a4abbc8 LP |
321 | |
322 | if (!(c->mask & SD_BUS_CREDS_SELINUX_CONTEXT)) | |
323 | return -ENODATA; | |
5b12334d LP |
324 | |
325 | assert(c->label); | |
326 | *ret = c->label; | |
327 | return 0; | |
328 | } | |
329 | ||
330 | _public_ int sd_bus_creds_get_comm(sd_bus_creds *c, const char **ret) { | |
331 | assert_return(c, -EINVAL); | |
332 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
333 | |
334 | if (!(c->mask & SD_BUS_CREDS_COMM)) | |
335 | return -ENODATA; | |
5b12334d LP |
336 | |
337 | assert(c->comm); | |
338 | *ret = c->comm; | |
339 | return 0; | |
340 | } | |
341 | ||
342 | _public_ int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **ret) { | |
343 | assert_return(c, -EINVAL); | |
344 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
345 | |
346 | if (!(c->mask & SD_BUS_CREDS_TID_COMM)) | |
347 | return -ENODATA; | |
5b12334d LP |
348 | |
349 | assert(c->tid_comm); | |
350 | *ret = c->tid_comm; | |
351 | return 0; | |
352 | } | |
353 | ||
354 | _public_ int sd_bus_creds_get_exe(sd_bus_creds *c, const char **ret) { | |
355 | assert_return(c, -EINVAL); | |
356 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
357 | |
358 | if (!(c->mask & SD_BUS_CREDS_EXE)) | |
359 | return -ENODATA; | |
5b12334d LP |
360 | |
361 | assert(c->exe); | |
362 | *ret = c->exe; | |
363 | return 0; | |
364 | } | |
365 | ||
366 | _public_ int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **ret) { | |
367 | assert_return(c, -EINVAL); | |
368 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
369 | |
370 | if (!(c->mask & SD_BUS_CREDS_CGROUP)) | |
371 | return -ENODATA; | |
5b12334d LP |
372 | |
373 | assert(c->cgroup); | |
374 | *ret = c->cgroup; | |
375 | return 0; | |
376 | } | |
377 | ||
378 | _public_ int sd_bus_creds_get_unit(sd_bus_creds *c, const char **ret) { | |
379 | int r; | |
380 | ||
381 | assert_return(c, -EINVAL); | |
382 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
383 | |
384 | if (!(c->mask & SD_BUS_CREDS_UNIT)) | |
385 | return -ENODATA; | |
5b12334d LP |
386 | |
387 | assert(c->cgroup); | |
388 | ||
389 | if (!c->unit) { | |
751bc6ac LP |
390 | const char *shifted; |
391 | ||
392 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
393 | if (r < 0) | |
394 | return r; | |
395 | ||
396 | r = cg_path_get_unit(shifted, (char**) &c->unit); | |
5b12334d LP |
397 | if (r < 0) |
398 | return r; | |
399 | } | |
400 | ||
401 | *ret = c->unit; | |
402 | return 0; | |
403 | } | |
404 | ||
405 | _public_ int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **ret) { | |
406 | int r; | |
407 | ||
408 | assert_return(c, -EINVAL); | |
409 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
410 | |
411 | if (!(c->mask & SD_BUS_CREDS_USER_UNIT)) | |
412 | return -ENODATA; | |
5b12334d LP |
413 | |
414 | assert(c->cgroup); | |
415 | ||
416 | if (!c->user_unit) { | |
751bc6ac LP |
417 | const char *shifted; |
418 | ||
419 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
420 | if (r < 0) | |
421 | return r; | |
422 | ||
423 | r = cg_path_get_user_unit(shifted, (char**) &c->user_unit); | |
5b12334d LP |
424 | if (r < 0) |
425 | return r; | |
426 | } | |
427 | ||
428 | *ret = c->user_unit; | |
429 | return 0; | |
430 | } | |
431 | ||
432 | _public_ int sd_bus_creds_get_slice(sd_bus_creds *c, const char **ret) { | |
433 | int r; | |
434 | ||
435 | assert_return(c, -EINVAL); | |
436 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
437 | |
438 | if (!(c->mask & SD_BUS_CREDS_SLICE)) | |
439 | return -ENODATA; | |
5b12334d LP |
440 | |
441 | assert(c->cgroup); | |
442 | ||
443 | if (!c->slice) { | |
751bc6ac LP |
444 | const char *shifted; |
445 | ||
446 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
447 | if (r < 0) | |
448 | return r; | |
449 | ||
450 | r = cg_path_get_slice(shifted, (char**) &c->slice); | |
5b12334d LP |
451 | if (r < 0) |
452 | return r; | |
453 | } | |
454 | ||
455 | *ret = c->slice; | |
456 | return 0; | |
457 | } | |
458 | ||
459 | _public_ int sd_bus_creds_get_session(sd_bus_creds *c, const char **ret) { | |
460 | int r; | |
461 | ||
462 | assert_return(c, -EINVAL); | |
463 | assert_return(ret, -EINVAL); | |
6a4abbc8 LP |
464 | |
465 | if (!(c->mask & SD_BUS_CREDS_SESSION)) | |
466 | return -ENODATA; | |
5b12334d LP |
467 | |
468 | assert(c->cgroup); | |
469 | ||
470 | if (!c->session) { | |
751bc6ac LP |
471 | const char *shifted; |
472 | ||
473 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); | |
474 | if (r < 0) | |
475 | return r; | |
476 | ||
477 | r = cg_path_get_session(shifted, (char**) &c->session); | |
5b12334d LP |
478 | if (r < 0) |
479 | return r; | |
480 | } | |
481 | ||
482 | *ret = c->session; | |
483 | return 0; | |
484 | } | |
485 | ||
486 | _public_ int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid) { | |
751bc6ac LP |
487 | const char *shifted; |
488 | int r; | |
489 | ||
5b12334d LP |
490 | assert_return(c, -EINVAL); |
491 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
492 | |
493 | if (!(c->mask & SD_BUS_CREDS_OWNER_UID)) | |
494 | return -ENODATA; | |
5b12334d LP |
495 | |
496 | assert(c->cgroup); | |
497 | ||
751bc6ac LP |
498 | r = cg_shift_path(c->cgroup, c->cgroup_root, &shifted); |
499 | if (r < 0) | |
500 | return r; | |
501 | ||
502 | return cg_path_get_owner_uid(shifted, uid); | |
5b12334d LP |
503 | } |
504 | ||
505 | _public_ int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline) { | |
5b12334d | 506 | assert_return(c, -EINVAL); |
6a4abbc8 LP |
507 | |
508 | if (!(c->mask & SD_BUS_CREDS_CMDLINE)) | |
509 | return -ENODATA; | |
5b12334d | 510 | |
689bd78d | 511 | assert_return(c->cmdline, -ESRCH); |
5b12334d LP |
512 | assert(c->cmdline); |
513 | ||
49b832c5 LP |
514 | if (!c->cmdline_array) { |
515 | c->cmdline_array = strv_parse_nulstr(c->cmdline, c->cmdline_size); | |
516 | if (!c->cmdline_array) | |
517 | return -ENOMEM; | |
5b12334d LP |
518 | } |
519 | ||
5b12334d | 520 | *cmdline = c->cmdline_array; |
5b12334d LP |
521 | return 0; |
522 | } | |
523 | ||
524 | _public_ int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid) { | |
525 | assert_return(c, -EINVAL); | |
526 | assert_return(sessionid, -EINVAL); | |
6a4abbc8 LP |
527 | |
528 | if (!(c->mask & SD_BUS_CREDS_AUDIT_SESSION_ID)) | |
529 | return -ENODATA; | |
5b12334d LP |
530 | |
531 | *sessionid = c->audit_session_id; | |
532 | return 0; | |
533 | } | |
534 | ||
535 | _public_ int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *uid) { | |
536 | assert_return(c, -EINVAL); | |
537 | assert_return(uid, -EINVAL); | |
6a4abbc8 LP |
538 | |
539 | if (!(c->mask & SD_BUS_CREDS_AUDIT_LOGIN_UID)) | |
540 | return -ENODATA; | |
5b12334d LP |
541 | |
542 | *uid = c->audit_login_uid; | |
543 | return 0; | |
544 | } | |
545 | ||
49b832c5 LP |
546 | _public_ int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **unique_name) { |
547 | assert_return(c, -EINVAL); | |
548 | assert_return(unique_name, -EINVAL); | |
6a4abbc8 LP |
549 | |
550 | if (!(c->mask & SD_BUS_CREDS_UNIQUE_NAME)) | |
551 | return -ENODATA; | |
49b832c5 LP |
552 | |
553 | *unique_name = c->unique_name; | |
554 | return 0; | |
555 | } | |
556 | ||
557 | _public_ int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***well_known_names) { | |
558 | assert_return(c, -EINVAL); | |
559 | assert_return(well_known_names, -EINVAL); | |
6a4abbc8 LP |
560 | |
561 | if (!(c->mask & SD_BUS_CREDS_WELL_KNOWN_NAMES)) | |
562 | return -ENODATA; | |
49b832c5 | 563 | |
ac653862 LP |
564 | /* As a special hack we return the bus driver as well-known |
565 | * names list when this is requested. */ | |
566 | if (c->well_known_names_driver) { | |
567 | static const char* const wkn[] = { | |
568 | "org.freedesktop.DBus", | |
569 | NULL | |
570 | }; | |
571 | ||
572 | *well_known_names = (char**) wkn; | |
573 | return 0; | |
574 | } | |
575 | ||
fb6d9b77 LP |
576 | if (c->well_known_names_local) { |
577 | static const char* const wkn[] = { | |
578 | "org.freedesktop.DBus.Local", | |
579 | NULL | |
580 | }; | |
581 | ||
582 | *well_known_names = (char**) wkn; | |
583 | return 0; | |
584 | } | |
585 | ||
65dae17a | 586 | *well_known_names = c->well_known_names; |
49b832c5 LP |
587 | return 0; |
588 | } | |
589 | ||
455971c1 | 590 | _public_ int sd_bus_creds_get_description(sd_bus_creds *c, const char **ret) { |
cccb0b2c LP |
591 | assert_return(c, -EINVAL); |
592 | assert_return(ret, -EINVAL); | |
593 | ||
455971c1 | 594 | if (!(c->mask & SD_BUS_CREDS_DESCRIPTION)) |
cccb0b2c LP |
595 | return -ENODATA; |
596 | ||
455971c1 | 597 | assert(c->description); |
2578d51e | 598 | |
455971c1 LP |
599 | if (!c->unescaped_description) { |
600 | c->unescaped_description = bus_label_unescape(c->description); | |
601 | if (!c->unescaped_description) | |
2578d51e LP |
602 | return -ENOMEM; |
603 | } | |
604 | ||
455971c1 | 605 | *ret = c->unescaped_description; |
cccb0b2c LP |
606 | return 0; |
607 | } | |
608 | ||
5b12334d LP |
609 | static int has_cap(sd_bus_creds *c, unsigned offset, int capability) { |
610 | size_t sz; | |
611 | ||
612 | assert(c); | |
34a5d5e5 | 613 | assert(capability >= 0); |
5b12334d LP |
614 | assert(c->capability); |
615 | ||
da634f97 | 616 | if ((unsigned) capability > cap_last_cap()) |
5b12334d LP |
617 | return 0; |
618 | ||
da634f97 LP |
619 | sz = DIV_ROUND_UP(cap_last_cap(), 32U); |
620 | ||
7d9fcc2b | 621 | return !!(c->capability[offset * sz + CAP_TO_INDEX(capability)] & CAP_TO_MASK(capability)); |
5b12334d LP |
622 | } |
623 | ||
624 | _public_ int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability) { | |
625 | assert_return(c, -EINVAL); | |
626 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
627 | |
628 | if (!(c->mask & SD_BUS_CREDS_EFFECTIVE_CAPS)) | |
629 | return -ENODATA; | |
5b12334d LP |
630 | |
631 | return has_cap(c, CAP_OFFSET_EFFECTIVE, capability); | |
632 | } | |
633 | ||
634 | _public_ int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability) { | |
635 | assert_return(c, -EINVAL); | |
636 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
637 | |
638 | if (!(c->mask & SD_BUS_CREDS_PERMITTED_CAPS)) | |
639 | return -ENODATA; | |
5b12334d LP |
640 | |
641 | return has_cap(c, CAP_OFFSET_PERMITTED, capability); | |
642 | } | |
643 | ||
644 | _public_ int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability) { | |
645 | assert_return(c, -EINVAL); | |
646 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
647 | |
648 | if (!(c->mask & SD_BUS_CREDS_INHERITABLE_CAPS)) | |
649 | return -ENODATA; | |
5b12334d LP |
650 | |
651 | return has_cap(c, CAP_OFFSET_INHERITABLE, capability); | |
652 | } | |
653 | ||
654 | _public_ int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability) { | |
655 | assert_return(c, -EINVAL); | |
656 | assert_return(capability >= 0, -EINVAL); | |
6a4abbc8 LP |
657 | |
658 | if (!(c->mask & SD_BUS_CREDS_BOUNDING_CAPS)) | |
659 | return -ENODATA; | |
5b12334d LP |
660 | |
661 | return has_cap(c, CAP_OFFSET_BOUNDING, capability); | |
662 | } | |
663 | ||
664 | static int parse_caps(sd_bus_creds *c, unsigned offset, const char *p) { | |
34a5d5e5 | 665 | size_t sz, max; |
7d9fcc2b | 666 | unsigned i, j; |
5b12334d LP |
667 | |
668 | assert(c); | |
669 | assert(p); | |
670 | ||
7d9fcc2b | 671 | max = DIV_ROUND_UP(cap_last_cap(), 32U); |
5b12334d LP |
672 | p += strspn(p, WHITESPACE); |
673 | ||
674 | sz = strlen(p); | |
7d9fcc2b | 675 | if (sz % 8 != 0) |
5b12334d LP |
676 | return -EINVAL; |
677 | ||
7d9fcc2b | 678 | sz /= 8; |
34a5d5e5 DH |
679 | if (sz > max) |
680 | return -EINVAL; | |
681 | ||
5b12334d | 682 | if (!c->capability) { |
7d9fcc2b | 683 | c->capability = new0(uint32_t, max * 4); |
5b12334d LP |
684 | if (!c->capability) |
685 | return -ENOMEM; | |
5b12334d LP |
686 | } |
687 | ||
688 | for (i = 0; i < sz; i ++) { | |
7d9fcc2b | 689 | uint32_t v = 0; |
5b12334d | 690 | |
7d9fcc2b DH |
691 | for (j = 0; j < 8; ++j) { |
692 | int t; | |
5b12334d | 693 | |
7d9fcc2b DH |
694 | t = unhexchar(*p++); |
695 | if (t < 0) | |
696 | return -EINVAL; | |
5b12334d | 697 | |
7d9fcc2b DH |
698 | v = (v << 4) | t; |
699 | } | |
700 | ||
701 | c->capability[offset * max + (sz - i - 1)] = v; | |
5b12334d LP |
702 | } |
703 | ||
704 | return 0; | |
705 | } | |
706 | ||
707 | int bus_creds_add_more(sd_bus_creds *c, uint64_t mask, pid_t pid, pid_t tid) { | |
708 | uint64_t missing; | |
709 | int r; | |
710 | ||
711 | assert(c); | |
712 | assert(c->allocated); | |
713 | ||
705a415f LP |
714 | if (!(mask & SD_BUS_CREDS_AUGMENT)) |
715 | return 0; | |
716 | ||
5b12334d LP |
717 | /* Try to retrieve PID from creds if it wasn't passed to us */ |
718 | if (pid <= 0 && (c->mask & SD_BUS_CREDS_PID)) | |
719 | pid = c->pid; | |
720 | ||
5b12334d LP |
721 | /* Without pid we cannot do much... */ |
722 | if (pid <= 0) | |
723 | return 0; | |
724 | ||
0f514420 LP |
725 | /* Try to retrieve TID from creds if it wasn't passed to us */ |
726 | if (tid <= 0 && (c->mask & SD_BUS_CREDS_TID)) | |
727 | tid = c->tid; | |
728 | ||
729 | /* Calculate what we shall and can add */ | |
730 | missing = mask & ~(c->mask|SD_BUS_CREDS_PID|SD_BUS_CREDS_TID|SD_BUS_CREDS_UNIQUE_NAME|SD_BUS_CREDS_WELL_KNOWN_NAMES|SD_BUS_CREDS_DESCRIPTION|SD_BUS_CREDS_AUGMENT); | |
731 | if (missing == 0) | |
732 | return 0; | |
733 | ||
734 | c->pid = pid; | |
735 | c->mask |= SD_BUS_CREDS_PID; | |
705a415f LP |
736 | |
737 | if (tid > 0) { | |
738 | c->tid = tid; | |
739 | c->mask |= SD_BUS_CREDS_TID; | |
740 | } | |
741 | ||
1386e47d LP |
742 | if (missing & (SD_BUS_CREDS_PPID | |
743 | SD_BUS_CREDS_UID | SD_BUS_CREDS_EUID | SD_BUS_CREDS_SUID | SD_BUS_CREDS_FSUID | | |
705a415f | 744 | SD_BUS_CREDS_GID | SD_BUS_CREDS_EGID | SD_BUS_CREDS_SGID | SD_BUS_CREDS_FSGID | |
02581590 | 745 | SD_BUS_CREDS_SUPPLEMENTARY_GIDS | |
5b12334d LP |
746 | SD_BUS_CREDS_EFFECTIVE_CAPS | SD_BUS_CREDS_INHERITABLE_CAPS | |
747 | SD_BUS_CREDS_PERMITTED_CAPS | SD_BUS_CREDS_BOUNDING_CAPS)) { | |
748 | ||
749 | _cleanup_fclose_ FILE *f = NULL; | |
5b12334d LP |
750 | const char *p; |
751 | ||
752 | p = procfs_file_alloca(pid, "status"); | |
753 | ||
754 | f = fopen(p, "re"); | |
705a415f LP |
755 | if (!f) { |
756 | if (errno == ENOENT) | |
757 | return -ESRCH; | |
758 | else if (errno != EPERM && errno != EACCES) | |
759 | return -errno; | |
760 | } else { | |
761 | char line[LINE_MAX]; | |
762 | ||
763 | FOREACH_LINE(line, f, return -errno) { | |
764 | truncate_nl(line); | |
765 | ||
1386e47d LP |
766 | if (missing & SD_BUS_CREDS_PPID) { |
767 | p = startswith(line, "PPid:"); | |
768 | if (p) { | |
769 | p += strspn(p, WHITESPACE); | |
770 | ||
3a698817 LP |
771 | /* Explicitly check for PPID 0 (which is the case for PID 1) */ |
772 | if (!streq(p, "0")) { | |
773 | r = parse_pid(p, &c->ppid); | |
774 | if (r < 0) | |
775 | return r; | |
776 | ||
777 | c->mask |= SD_BUS_CREDS_PPID; | |
778 | } | |
1386e47d LP |
779 | continue; |
780 | } | |
781 | } | |
782 | ||
705a415f LP |
783 | if (missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID)) { |
784 | p = startswith(line, "Uid:"); | |
785 | if (p) { | |
786 | unsigned long uid, euid, suid, fsuid; | |
787 | ||
788 | p += strspn(p, WHITESPACE); | |
789 | if (sscanf(p, "%lu %lu %lu %lu", &uid, &euid, &suid, &fsuid) != 4) | |
790 | return -EIO; | |
791 | ||
f887fa73 LP |
792 | if (missing & SD_BUS_CREDS_UID) |
793 | c->uid = (uid_t) uid; | |
794 | if (missing & SD_BUS_CREDS_EUID) | |
795 | c->euid = (uid_t) euid; | |
796 | if (missing & SD_BUS_CREDS_SUID) | |
797 | c->suid = (uid_t) suid; | |
798 | if (missing & SD_BUS_CREDS_FSUID) | |
799 | c->fsuid = (uid_t) fsuid; | |
800 | ||
705a415f LP |
801 | c->mask |= missing & (SD_BUS_CREDS_UID|SD_BUS_CREDS_EUID|SD_BUS_CREDS_SUID|SD_BUS_CREDS_FSUID); |
802 | continue; | |
803 | } | |
5b12334d | 804 | } |
5b12334d | 805 | |
705a415f LP |
806 | if (missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID)) { |
807 | p = startswith(line, "Gid:"); | |
808 | if (p) { | |
809 | unsigned long gid, egid, sgid, fsgid; | |
810 | ||
811 | p += strspn(p, WHITESPACE); | |
812 | if (sscanf(p, "%lu %lu %lu %lu", &gid, &egid, &sgid, &fsgid) != 4) | |
813 | return -EIO; | |
814 | ||
f887fa73 LP |
815 | if (missing & SD_BUS_CREDS_GID) |
816 | c->gid = (gid_t) gid; | |
817 | if (missing & SD_BUS_CREDS_EGID) | |
818 | c->egid = (gid_t) egid; | |
819 | if (missing & SD_BUS_CREDS_SGID) | |
820 | c->sgid = (gid_t) sgid; | |
821 | if (missing & SD_BUS_CREDS_FSGID) | |
822 | c->fsgid = (gid_t) fsgid; | |
823 | ||
705a415f LP |
824 | c->mask |= missing & (SD_BUS_CREDS_GID|SD_BUS_CREDS_EGID|SD_BUS_CREDS_SGID|SD_BUS_CREDS_FSGID); |
825 | continue; | |
826 | } | |
5b12334d | 827 | } |
5b12334d | 828 | |
02581590 LP |
829 | if (missing & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
830 | p = startswith(line, "Groups:"); | |
831 | if (p) { | |
832 | size_t allocated = 0; | |
833 | ||
834 | for (;;) { | |
835 | unsigned long g; | |
836 | int n = 0; | |
837 | ||
838 | p += strspn(p, WHITESPACE); | |
839 | if (*p == 0) | |
840 | break; | |
841 | ||
842 | if (sscanf(p, "%lu%n", &g, &n) != 1) | |
843 | return -EIO; | |
844 | ||
845 | if (!GREEDY_REALLOC(c->supplementary_gids, allocated, c->n_supplementary_gids+1)) | |
846 | return -ENOMEM; | |
847 | ||
848 | c->supplementary_gids[c->n_supplementary_gids++] = (gid_t) g; | |
849 | p += n; | |
850 | } | |
851 | ||
852 | c->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
853 | continue; | |
854 | } | |
855 | } | |
856 | ||
705a415f LP |
857 | if (missing & SD_BUS_CREDS_EFFECTIVE_CAPS) { |
858 | p = startswith(line, "CapEff:"); | |
859 | if (p) { | |
860 | r = parse_caps(c, CAP_OFFSET_EFFECTIVE, p); | |
861 | if (r < 0) | |
862 | return r; | |
5b12334d | 863 | |
705a415f LP |
864 | c->mask |= SD_BUS_CREDS_EFFECTIVE_CAPS; |
865 | continue; | |
866 | } | |
5b12334d | 867 | } |
5b12334d | 868 | |
705a415f LP |
869 | if (missing & SD_BUS_CREDS_PERMITTED_CAPS) { |
870 | p = startswith(line, "CapPrm:"); | |
871 | if (p) { | |
872 | r = parse_caps(c, CAP_OFFSET_PERMITTED, p); | |
873 | if (r < 0) | |
874 | return r; | |
5b12334d | 875 | |
705a415f LP |
876 | c->mask |= SD_BUS_CREDS_PERMITTED_CAPS; |
877 | continue; | |
878 | } | |
5b12334d | 879 | } |
5b12334d | 880 | |
705a415f LP |
881 | if (missing & SD_BUS_CREDS_INHERITABLE_CAPS) { |
882 | p = startswith(line, "CapInh:"); | |
883 | if (p) { | |
884 | r = parse_caps(c, CAP_OFFSET_INHERITABLE, p); | |
885 | if (r < 0) | |
886 | return r; | |
5b12334d | 887 | |
705a415f LP |
888 | c->mask |= SD_BUS_CREDS_INHERITABLE_CAPS; |
889 | continue; | |
890 | } | |
5b12334d | 891 | } |
5b12334d | 892 | |
705a415f LP |
893 | if (missing & SD_BUS_CREDS_BOUNDING_CAPS) { |
894 | p = startswith(line, "CapBnd:"); | |
895 | if (p) { | |
896 | r = parse_caps(c, CAP_OFFSET_BOUNDING, p); | |
897 | if (r < 0) | |
898 | return r; | |
5b12334d | 899 | |
705a415f LP |
900 | c->mask |= SD_BUS_CREDS_BOUNDING_CAPS; |
901 | continue; | |
902 | } | |
5b12334d LP |
903 | } |
904 | } | |
905 | } | |
906 | } | |
907 | ||
5b12334d LP |
908 | if (missing & SD_BUS_CREDS_SELINUX_CONTEXT) { |
909 | const char *p; | |
910 | ||
911 | p = procfs_file_alloca(pid, "attr/current"); | |
912 | r = read_one_line_file(p, &c->label); | |
705a415f LP |
913 | if (r < 0) { |
914 | if (r != -ENOENT && r != -EINVAL && r != -EPERM && r != -EACCES) | |
915 | return r; | |
916 | } else | |
5b12334d LP |
917 | c->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; |
918 | } | |
919 | ||
920 | if (missing & SD_BUS_CREDS_COMM) { | |
921 | r = get_process_comm(pid, &c->comm); | |
705a415f LP |
922 | if (r < 0) { |
923 | if (r != -EPERM && r != -EACCES) | |
924 | return r; | |
925 | } else | |
926 | c->mask |= SD_BUS_CREDS_COMM; | |
5b12334d LP |
927 | } |
928 | ||
929 | if (missing & SD_BUS_CREDS_EXE) { | |
930 | r = get_process_exe(pid, &c->exe); | |
705a415f LP |
931 | if (r < 0) { |
932 | if (r != -EPERM && r != -EACCES) | |
933 | return r; | |
934 | } else | |
935 | c->mask |= SD_BUS_CREDS_EXE; | |
5b12334d LP |
936 | } |
937 | ||
938 | if (missing & SD_BUS_CREDS_CMDLINE) { | |
939 | const char *p; | |
940 | ||
941 | p = procfs_file_alloca(pid, "cmdline"); | |
49b832c5 | 942 | r = read_full_file(p, &c->cmdline, &c->cmdline_size); |
705a415f LP |
943 | if (r < 0) { |
944 | if (r == -ENOENT) | |
945 | return -ESRCH; | |
946 | if (r != -EPERM && r != -EACCES) | |
947 | return r; | |
948 | } else { | |
949 | if (c->cmdline_size == 0) { | |
950 | free(c->cmdline); | |
951 | c->cmdline = NULL; | |
952 | } else | |
953 | c->mask |= SD_BUS_CREDS_CMDLINE; | |
954 | } | |
5b12334d LP |
955 | } |
956 | ||
957 | if (tid > 0 && (missing & SD_BUS_CREDS_TID_COMM)) { | |
958 | _cleanup_free_ char *p = NULL; | |
959 | ||
de0671ee | 960 | if (asprintf(&p, "/proc/"PID_FMT"/task/"PID_FMT"/comm", pid, tid) < 0) |
5b12334d LP |
961 | return -ENOMEM; |
962 | ||
963 | r = read_one_line_file(p, &c->tid_comm); | |
705a415f LP |
964 | if (r < 0) { |
965 | if (r == -ENOENT) | |
966 | return -ESRCH; | |
967 | if (r != -EPERM && r != -EACCES) | |
968 | return r; | |
969 | } else | |
970 | c->mask |= SD_BUS_CREDS_TID_COMM; | |
5b12334d LP |
971 | } |
972 | ||
973 | 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)) { | |
974 | ||
822d9b6e LP |
975 | if (!c->cgroup) { |
976 | r = cg_pid_get_path(NULL, pid, &c->cgroup); | |
977 | if (r < 0) { | |
978 | if (r != -EPERM && r != -EACCES) | |
979 | return r; | |
980 | } | |
981 | } | |
982 | ||
983 | if (!c->cgroup_root) { | |
705a415f LP |
984 | r = cg_get_root_path(&c->cgroup_root); |
985 | if (r < 0) | |
986 | return r; | |
822d9b6e | 987 | } |
705a415f | 988 | |
822d9b6e | 989 | if (c->cgroup) |
705a415f | 990 | 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); |
5b12334d LP |
991 | } |
992 | ||
993 | if (missing & SD_BUS_CREDS_AUDIT_SESSION_ID) { | |
994 | r = audit_session_from_pid(pid, &c->audit_session_id); | |
705a415f | 995 | if (r < 0) { |
15411c0c | 996 | if (r != -EOPNOTSUPP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) |
705a415f LP |
997 | return r; |
998 | } else | |
5b12334d LP |
999 | c->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; |
1000 | } | |
1001 | ||
1002 | if (missing & SD_BUS_CREDS_AUDIT_LOGIN_UID) { | |
1003 | r = audit_loginuid_from_pid(pid, &c->audit_login_uid); | |
705a415f | 1004 | if (r < 0) { |
15411c0c | 1005 | if (r != -EOPNOTSUPP && r != -ENXIO && r != -ENOENT && r != -EPERM && r != -EACCES) |
705a415f LP |
1006 | return r; |
1007 | } else | |
5b12334d LP |
1008 | c->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; |
1009 | } | |
1010 | ||
0f514420 LP |
1011 | c->augmented = missing & c->mask; |
1012 | ||
5b12334d LP |
1013 | return 0; |
1014 | } | |
1015 | ||
49b832c5 | 1016 | int bus_creds_extend_by_pid(sd_bus_creds *c, uint64_t mask, sd_bus_creds **ret) { |
5b12334d LP |
1017 | _cleanup_bus_creds_unref_ sd_bus_creds *n = NULL; |
1018 | int r; | |
1019 | ||
49b832c5 LP |
1020 | assert(c); |
1021 | assert(ret); | |
5b12334d | 1022 | |
705a415f LP |
1023 | if ((mask & ~c->mask) == 0 || (!(mask & SD_BUS_CREDS_AUGMENT))) { |
1024 | /* There's already all data we need, or augmentation | |
1025 | * wasn't turned on. */ | |
5b12334d LP |
1026 | |
1027 | *ret = sd_bus_creds_ref(c); | |
1028 | return 0; | |
1029 | } | |
1030 | ||
1031 | n = bus_creds_new(); | |
1032 | if (!n) | |
1033 | return -ENOMEM; | |
1034 | ||
1035 | /* Copy the original data over */ | |
1036 | ||
da634f97 LP |
1037 | if (c->mask & mask & SD_BUS_CREDS_PID) { |
1038 | n->pid = c->pid; | |
1039 | n->mask |= SD_BUS_CREDS_PID; | |
1040 | } | |
1041 | ||
1042 | if (c->mask & mask & SD_BUS_CREDS_TID) { | |
1043 | n->tid = c->tid; | |
1044 | n->mask |= SD_BUS_CREDS_TID; | |
1045 | } | |
1046 | ||
1386e47d LP |
1047 | if (c->mask & mask & SD_BUS_CREDS_PPID) { |
1048 | n->ppid = c->ppid; | |
1049 | n->mask |= SD_BUS_CREDS_PPID; | |
1050 | } | |
1051 | ||
5b12334d LP |
1052 | if (c->mask & mask & SD_BUS_CREDS_UID) { |
1053 | n->uid = c->uid; | |
1054 | n->mask |= SD_BUS_CREDS_UID; | |
1055 | } | |
1056 | ||
705a415f LP |
1057 | if (c->mask & mask & SD_BUS_CREDS_EUID) { |
1058 | n->euid = c->euid; | |
1059 | n->mask |= SD_BUS_CREDS_EUID; | |
1060 | } | |
1061 | ||
1062 | if (c->mask & mask & SD_BUS_CREDS_SUID) { | |
1063 | n->suid = c->suid; | |
1064 | n->mask |= SD_BUS_CREDS_SUID; | |
1065 | } | |
1066 | ||
1067 | if (c->mask & mask & SD_BUS_CREDS_FSUID) { | |
1068 | n->fsuid = c->fsuid; | |
1069 | n->mask |= SD_BUS_CREDS_FSUID; | |
1070 | } | |
1071 | ||
5b12334d LP |
1072 | if (c->mask & mask & SD_BUS_CREDS_GID) { |
1073 | n->gid = c->gid; | |
1074 | n->mask |= SD_BUS_CREDS_GID; | |
1075 | } | |
1076 | ||
705a415f LP |
1077 | if (c->mask & mask & SD_BUS_CREDS_EGID) { |
1078 | n->egid = c->egid; | |
1079 | n->mask |= SD_BUS_CREDS_EGID; | |
1080 | } | |
1081 | ||
1082 | if (c->mask & mask & SD_BUS_CREDS_SGID) { | |
1083 | n->sgid = c->sgid; | |
1084 | n->mask |= SD_BUS_CREDS_SGID; | |
1085 | } | |
1086 | ||
1087 | if (c->mask & mask & SD_BUS_CREDS_FSGID) { | |
1088 | n->fsgid = c->fsgid; | |
1089 | n->mask |= SD_BUS_CREDS_FSGID; | |
1090 | } | |
1091 | ||
02581590 LP |
1092 | if (c->mask & mask & SD_BUS_CREDS_SUPPLEMENTARY_GIDS) { |
1093 | n->supplementary_gids = newdup(gid_t, c->supplementary_gids, c->n_supplementary_gids); | |
1094 | if (!n->supplementary_gids) | |
1095 | return -ENOMEM; | |
1096 | n->n_supplementary_gids = c->n_supplementary_gids; | |
1097 | n->mask |= SD_BUS_CREDS_SUPPLEMENTARY_GIDS; | |
1098 | } | |
1099 | ||
5b12334d LP |
1100 | if (c->mask & mask & SD_BUS_CREDS_COMM) { |
1101 | n->comm = strdup(c->comm); | |
1102 | if (!n->comm) | |
1103 | return -ENOMEM; | |
1104 | ||
1105 | n->mask |= SD_BUS_CREDS_COMM; | |
1106 | } | |
1107 | ||
1108 | if (c->mask & mask & SD_BUS_CREDS_TID_COMM) { | |
1109 | n->tid_comm = strdup(c->tid_comm); | |
1110 | if (!n->tid_comm) | |
1111 | return -ENOMEM; | |
1112 | ||
1113 | n->mask |= SD_BUS_CREDS_TID_COMM; | |
1114 | } | |
1115 | ||
1116 | if (c->mask & mask & SD_BUS_CREDS_EXE) { | |
1117 | n->exe = strdup(c->exe); | |
1118 | if (!n->exe) | |
1119 | return -ENOMEM; | |
1120 | ||
1121 | n->mask |= SD_BUS_CREDS_EXE; | |
1122 | } | |
1123 | ||
1124 | if (c->mask & mask & SD_BUS_CREDS_CMDLINE) { | |
49b832c5 | 1125 | n->cmdline = memdup(c->cmdline, c->cmdline_size); |
5b12334d LP |
1126 | if (!n->cmdline) |
1127 | return -ENOMEM; | |
1128 | ||
49b832c5 | 1129 | n->cmdline_size = c->cmdline_size; |
5b12334d LP |
1130 | n->mask |= SD_BUS_CREDS_CMDLINE; |
1131 | } | |
1132 | ||
1133 | 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)) { | |
1134 | n->cgroup = strdup(c->cgroup); | |
1135 | if (!n->cgroup) | |
1136 | return -ENOMEM; | |
1137 | ||
751bc6ac LP |
1138 | n->cgroup_root = strdup(c->cgroup_root); |
1139 | if (!n->cgroup_root) | |
1140 | return -ENOMEM; | |
1141 | ||
5b12334d LP |
1142 | 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); |
1143 | } | |
1144 | ||
1145 | 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 | 1146 | n->capability = memdup(c->capability, DIV_ROUND_UP(cap_last_cap(), 32U) * 4 * 4); |
5b12334d LP |
1147 | if (!n->capability) |
1148 | return -ENOMEM; | |
1149 | ||
5b12334d LP |
1150 | 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); |
1151 | } | |
1152 | ||
a6ede528 LP |
1153 | if (c->mask & mask & SD_BUS_CREDS_SELINUX_CONTEXT) { |
1154 | n->label = strdup(c->label); | |
1155 | if (!n->label) | |
1156 | return -ENOMEM; | |
1157 | n->mask |= SD_BUS_CREDS_SELINUX_CONTEXT; | |
1158 | } | |
1159 | ||
5b12334d LP |
1160 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_SESSION_ID) { |
1161 | n->audit_session_id = c->audit_session_id; | |
1162 | n->mask |= SD_BUS_CREDS_AUDIT_SESSION_ID; | |
1163 | } | |
5b12334d LP |
1164 | if (c->mask & mask & SD_BUS_CREDS_AUDIT_LOGIN_UID) { |
1165 | n->audit_login_uid = c->audit_login_uid; | |
1166 | n->mask |= SD_BUS_CREDS_AUDIT_LOGIN_UID; | |
1167 | } | |
1168 | ||
49b832c5 LP |
1169 | if (c->mask & mask & SD_BUS_CREDS_UNIQUE_NAME) { |
1170 | n->unique_name = strdup(c->unique_name); | |
1171 | if (!n->unique_name) | |
1172 | return -ENOMEM; | |
a6ede528 | 1173 | n->mask |= SD_BUS_CREDS_UNIQUE_NAME; |
49b832c5 LP |
1174 | } |
1175 | ||
1176 | if (c->mask & mask & SD_BUS_CREDS_WELL_KNOWN_NAMES) { | |
65dae17a | 1177 | n->well_known_names = strv_copy(c->well_known_names); |
49b832c5 LP |
1178 | if (!n->well_known_names) |
1179 | return -ENOMEM; | |
da634f97 LP |
1180 | n->well_known_names_driver = c->well_known_names_driver; |
1181 | n->well_known_names_local = c->well_known_names_local; | |
a6ede528 LP |
1182 | n->mask |= SD_BUS_CREDS_WELL_KNOWN_NAMES; |
1183 | } | |
1184 | ||
1185 | if (c->mask & mask & SD_BUS_CREDS_DESCRIPTION) { | |
1186 | n->description = strdup(c->description); | |
1187 | if (!n->description) | |
1188 | return -ENOMEM; | |
1189 | n->mask |= SD_BUS_CREDS_DESCRIPTION; | |
49b832c5 LP |
1190 | } |
1191 | ||
0f514420 LP |
1192 | n->augmented = c->augmented & n->mask; |
1193 | ||
5b12334d LP |
1194 | /* Get more data */ |
1195 | ||
0f514420 | 1196 | r = bus_creds_add_more(n, mask, 0, 0); |
5b12334d LP |
1197 | if (r < 0) |
1198 | return r; | |
1199 | ||
1200 | *ret = n; | |
1201 | n = NULL; | |
1202 | return 0; | |
1203 | } |