Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Capabilities Linux Security Module | |
3 | * | |
5915eb53 MS |
4 | * This is the default security module in case no other module is loaded. |
5 | * | |
1da177e4 LT |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
1da177e4 | 13 | #include <linux/security.h> |
1da177e4 | 14 | |
79af7307 SS |
15 | static int cap_binder_set_context_mgr(struct task_struct *mgr) |
16 | { | |
17 | return 0; | |
18 | } | |
19 | ||
20 | static int cap_binder_transaction(struct task_struct *from, | |
21 | struct task_struct *to) | |
22 | { | |
23 | return 0; | |
24 | } | |
25 | ||
26 | static int cap_binder_transfer_binder(struct task_struct *from, | |
27 | struct task_struct *to) | |
28 | { | |
29 | return 0; | |
30 | } | |
31 | ||
32 | static int cap_binder_transfer_file(struct task_struct *from, | |
33 | struct task_struct *to, struct file *file) | |
34 | { | |
35 | return 0; | |
36 | } | |
37 | ||
12b3052c EP |
38 | static int cap_syslog(int type) |
39 | { | |
40 | return 0; | |
41 | } | |
42 | ||
5915eb53 MS |
43 | static int cap_quotactl(int cmds, int type, int id, struct super_block *sb) |
44 | { | |
45 | return 0; | |
46 | } | |
47 | ||
48 | static int cap_quota_on(struct dentry *dentry) | |
49 | { | |
50 | return 0; | |
51 | } | |
52 | ||
dce3a3d2 | 53 | static int cap_bprm_check_security(struct linux_binprm *bprm) |
5915eb53 MS |
54 | { |
55 | return 0; | |
56 | } | |
57 | ||
a6f76f23 | 58 | static void cap_bprm_committing_creds(struct linux_binprm *bprm) |
5915eb53 MS |
59 | { |
60 | } | |
61 | ||
a6f76f23 | 62 | static void cap_bprm_committed_creds(struct linux_binprm *bprm) |
5915eb53 MS |
63 | { |
64 | } | |
65 | ||
5915eb53 MS |
66 | static int cap_sb_alloc_security(struct super_block *sb) |
67 | { | |
68 | return 0; | |
69 | } | |
70 | ||
71 | static void cap_sb_free_security(struct super_block *sb) | |
72 | { | |
73 | } | |
74 | ||
75 | static int cap_sb_copy_data(char *orig, char *copy) | |
76 | { | |
77 | return 0; | |
78 | } | |
79 | ||
ff36fe2c EP |
80 | static int cap_sb_remount(struct super_block *sb, void *data) |
81 | { | |
82 | return 0; | |
83 | } | |
84 | ||
12204e24 | 85 | static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data) |
5915eb53 MS |
86 | { |
87 | return 0; | |
88 | } | |
89 | ||
90 | static int cap_sb_show_options(struct seq_file *m, struct super_block *sb) | |
91 | { | |
92 | return 0; | |
93 | } | |
94 | ||
95 | static int cap_sb_statfs(struct dentry *dentry) | |
96 | { | |
97 | return 0; | |
98 | } | |
99 | ||
808d4e3c AV |
100 | static int cap_sb_mount(const char *dev_name, struct path *path, |
101 | const char *type, unsigned long flags, void *data) | |
5915eb53 MS |
102 | { |
103 | return 0; | |
104 | } | |
105 | ||
5915eb53 MS |
106 | static int cap_sb_umount(struct vfsmount *mnt, int flags) |
107 | { | |
108 | return 0; | |
109 | } | |
110 | ||
5915eb53 MS |
111 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path) |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
5915eb53 | 116 | static int cap_sb_set_mnt_opts(struct super_block *sb, |
649f6e77 DQ |
117 | struct security_mnt_opts *opts, |
118 | unsigned long kern_flags, | |
119 | unsigned long *set_kern_flags) | |
120 | ||
5915eb53 MS |
121 | { |
122 | if (unlikely(opts->num_mnt_opts)) | |
123 | return -EOPNOTSUPP; | |
124 | return 0; | |
125 | } | |
126 | ||
094f7b69 | 127 | static int cap_sb_clone_mnt_opts(const struct super_block *oldsb, |
5915eb53 MS |
128 | struct super_block *newsb) |
129 | { | |
094f7b69 | 130 | return 0; |
5915eb53 MS |
131 | } |
132 | ||
133 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
134 | { | |
135 | return 0; | |
136 | } | |
137 | ||
d47be3df DQ |
138 | static int cap_dentry_init_security(struct dentry *dentry, int mode, |
139 | struct qstr *name, void **ctx, | |
140 | u32 *ctxlen) | |
141 | { | |
d4a141c8 | 142 | return -EOPNOTSUPP; |
d47be3df DQ |
143 | } |
144 | ||
5915eb53 MS |
145 | static int cap_inode_alloc_security(struct inode *inode) |
146 | { | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static void cap_inode_free_security(struct inode *inode) | |
151 | { | |
152 | } | |
153 | ||
154 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, | |
9548906b | 155 | const struct qstr *qstr, const char **name, |
2a7dba39 | 156 | void **value, size_t *len) |
5915eb53 MS |
157 | { |
158 | return -EOPNOTSUPP; | |
159 | } | |
160 | ||
161 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, | |
4acdaf27 | 162 | umode_t mask) |
5915eb53 MS |
163 | { |
164 | return 0; | |
165 | } | |
166 | ||
167 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, | |
168 | struct dentry *new_dentry) | |
169 | { | |
170 | return 0; | |
171 | } | |
172 | ||
173 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) | |
174 | { | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, | |
179 | const char *name) | |
180 | { | |
181 | return 0; | |
182 | } | |
183 | ||
184 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, | |
18bb1db3 | 185 | umode_t mask) |
5915eb53 MS |
186 | { |
187 | return 0; | |
188 | } | |
189 | ||
190 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) | |
191 | { | |
192 | return 0; | |
193 | } | |
194 | ||
195 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, | |
1a67aafb | 196 | umode_t mode, dev_t dev) |
5915eb53 MS |
197 | { |
198 | return 0; | |
199 | } | |
200 | ||
201 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, | |
202 | struct inode *new_inode, struct dentry *new_dentry) | |
203 | { | |
204 | return 0; | |
205 | } | |
206 | ||
207 | static int cap_inode_readlink(struct dentry *dentry) | |
208 | { | |
209 | return 0; | |
210 | } | |
211 | ||
212 | static int cap_inode_follow_link(struct dentry *dentry, | |
213 | struct nameidata *nameidata) | |
214 | { | |
215 | return 0; | |
216 | } | |
217 | ||
e74f71eb | 218 | static int cap_inode_permission(struct inode *inode, int mask) |
5915eb53 MS |
219 | { |
220 | return 0; | |
221 | } | |
222 | ||
223 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) | |
224 | { | |
225 | return 0; | |
226 | } | |
227 | ||
228 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
229 | { | |
230 | return 0; | |
231 | } | |
232 | ||
5915eb53 MS |
233 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, |
234 | const void *value, size_t size, int flags) | |
235 | { | |
236 | } | |
237 | ||
238 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) | |
239 | { | |
240 | return 0; | |
241 | } | |
242 | ||
243 | static int cap_inode_listxattr(struct dentry *dentry) | |
244 | { | |
245 | return 0; | |
246 | } | |
247 | ||
248 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, | |
249 | void **buffer, bool alloc) | |
250 | { | |
251 | return -EOPNOTSUPP; | |
252 | } | |
253 | ||
254 | static int cap_inode_setsecurity(struct inode *inode, const char *name, | |
255 | const void *value, size_t size, int flags) | |
256 | { | |
257 | return -EOPNOTSUPP; | |
258 | } | |
259 | ||
260 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, | |
261 | size_t buffer_size) | |
262 | { | |
263 | return 0; | |
264 | } | |
265 | ||
266 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) | |
267 | { | |
268 | *secid = 0; | |
269 | } | |
270 | ||
be6d3e56 | 271 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 272 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
273 | unsigned int dev) |
274 | { | |
275 | return 0; | |
276 | } | |
277 | ||
4572befe | 278 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 KT |
279 | { |
280 | return 0; | |
281 | } | |
282 | ||
283 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry) | |
284 | { | |
285 | return 0; | |
286 | } | |
287 | ||
288 | static int cap_path_unlink(struct path *dir, struct dentry *dentry) | |
289 | { | |
290 | return 0; | |
291 | } | |
292 | ||
293 | static int cap_path_symlink(struct path *dir, struct dentry *dentry, | |
294 | const char *old_name) | |
295 | { | |
296 | return 0; | |
297 | } | |
298 | ||
299 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir, | |
300 | struct dentry *new_dentry) | |
301 | { | |
302 | return 0; | |
303 | } | |
304 | ||
305 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry, | |
306 | struct path *new_path, struct dentry *new_dentry) | |
307 | { | |
308 | return 0; | |
309 | } | |
310 | ||
ea0d3ab2 | 311 | static int cap_path_truncate(struct path *path) |
be6d3e56 KT |
312 | { |
313 | return 0; | |
314 | } | |
89eda068 | 315 | |
cdcf116d | 316 | static int cap_path_chmod(struct path *path, umode_t mode) |
89eda068 TH |
317 | { |
318 | return 0; | |
319 | } | |
320 | ||
d2b31ca6 | 321 | static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 TH |
322 | { |
323 | return 0; | |
324 | } | |
8b8efb44 TH |
325 | |
326 | static int cap_path_chroot(struct path *root) | |
327 | { | |
328 | return 0; | |
329 | } | |
be6d3e56 KT |
330 | #endif |
331 | ||
5915eb53 MS |
332 | static int cap_file_permission(struct file *file, int mask) |
333 | { | |
334 | return 0; | |
335 | } | |
336 | ||
337 | static int cap_file_alloc_security(struct file *file) | |
338 | { | |
339 | return 0; | |
340 | } | |
341 | ||
342 | static void cap_file_free_security(struct file *file) | |
343 | { | |
344 | } | |
345 | ||
346 | static int cap_file_ioctl(struct file *file, unsigned int command, | |
347 | unsigned long arg) | |
348 | { | |
349 | return 0; | |
350 | } | |
351 | ||
5915eb53 MS |
352 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
353 | unsigned long prot) | |
354 | { | |
355 | return 0; | |
356 | } | |
357 | ||
358 | static int cap_file_lock(struct file *file, unsigned int cmd) | |
359 | { | |
360 | return 0; | |
361 | } | |
362 | ||
363 | static int cap_file_fcntl(struct file *file, unsigned int cmd, | |
364 | unsigned long arg) | |
365 | { | |
366 | return 0; | |
367 | } | |
368 | ||
e0b93edd | 369 | static void cap_file_set_fowner(struct file *file) |
5915eb53 | 370 | { |
e0b93edd | 371 | return; |
5915eb53 MS |
372 | } |
373 | ||
374 | static int cap_file_send_sigiotask(struct task_struct *tsk, | |
375 | struct fown_struct *fown, int sig) | |
376 | { | |
377 | return 0; | |
378 | } | |
379 | ||
380 | static int cap_file_receive(struct file *file) | |
381 | { | |
382 | return 0; | |
383 | } | |
384 | ||
83d49856 | 385 | static int cap_file_open(struct file *file, const struct cred *cred) |
5915eb53 MS |
386 | { |
387 | return 0; | |
388 | } | |
389 | ||
390 | static int cap_task_create(unsigned long clone_flags) | |
391 | { | |
392 | return 0; | |
393 | } | |
394 | ||
1a2a4d06 KC |
395 | static void cap_task_free(struct task_struct *task) |
396 | { | |
397 | } | |
398 | ||
ee18d64c DH |
399 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
400 | { | |
401 | return 0; | |
402 | } | |
403 | ||
d84f4f99 DH |
404 | static void cap_cred_free(struct cred *cred) |
405 | { | |
406 | } | |
407 | ||
408 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) | |
5915eb53 MS |
409 | { |
410 | return 0; | |
411 | } | |
412 | ||
ee18d64c DH |
413 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
414 | { | |
415 | } | |
416 | ||
3a3b7ce9 DH |
417 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
418 | { | |
419 | return 0; | |
420 | } | |
421 | ||
422 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) | |
423 | { | |
424 | return 0; | |
425 | } | |
426 | ||
13752fe2 KC |
427 | static int cap_kernel_fw_from_file(struct file *file, char *buf, size_t size) |
428 | { | |
429 | return 0; | |
430 | } | |
431 | ||
dd8dbf2e | 432 | static int cap_kernel_module_request(char *kmod_name) |
9188499c EP |
433 | { |
434 | return 0; | |
435 | } | |
436 | ||
2e72d51b KC |
437 | static int cap_kernel_module_from_file(struct file *file) |
438 | { | |
439 | return 0; | |
440 | } | |
441 | ||
5915eb53 MS |
442 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
443 | { | |
444 | return 0; | |
445 | } | |
1da177e4 | 446 | |
5915eb53 | 447 | static int cap_task_getpgid(struct task_struct *p) |
1da177e4 | 448 | { |
1da177e4 LT |
449 | return 0; |
450 | } | |
451 | ||
5915eb53 MS |
452 | static int cap_task_getsid(struct task_struct *p) |
453 | { | |
454 | return 0; | |
455 | } | |
456 | ||
457 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) | |
458 | { | |
459 | *secid = 0; | |
460 | } | |
461 | ||
5915eb53 MS |
462 | static int cap_task_getioprio(struct task_struct *p) |
463 | { | |
464 | return 0; | |
465 | } | |
466 | ||
8fd00b4d JS |
467 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource, |
468 | struct rlimit *new_rlim) | |
5915eb53 MS |
469 | { |
470 | return 0; | |
471 | } | |
472 | ||
473 | static int cap_task_getscheduler(struct task_struct *p) | |
474 | { | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static int cap_task_movememory(struct task_struct *p) | |
479 | { | |
480 | return 0; | |
481 | } | |
482 | ||
483 | static int cap_task_wait(struct task_struct *p) | |
484 | { | |
485 | return 0; | |
486 | } | |
487 | ||
488 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, | |
489 | int sig, u32 secid) | |
490 | { | |
491 | return 0; | |
492 | } | |
493 | ||
494 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) | |
495 | { | |
496 | } | |
497 | ||
498 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
499 | { | |
500 | return 0; | |
501 | } | |
502 | ||
503 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |
504 | { | |
505 | *secid = 0; | |
506 | } | |
507 | ||
508 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) | |
509 | { | |
510 | return 0; | |
511 | } | |
512 | ||
513 | static void cap_msg_msg_free_security(struct msg_msg *msg) | |
514 | { | |
515 | } | |
516 | ||
517 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) | |
518 | { | |
519 | return 0; | |
520 | } | |
521 | ||
522 | static void cap_msg_queue_free_security(struct msg_queue *msq) | |
523 | { | |
524 | } | |
525 | ||
526 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
527 | { | |
528 | return 0; | |
529 | } | |
530 | ||
531 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
532 | { | |
533 | return 0; | |
534 | } | |
535 | ||
536 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, | |
537 | int msgflg) | |
538 | { | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
543 | struct task_struct *target, long type, int mode) | |
544 | { | |
545 | return 0; | |
546 | } | |
547 | ||
548 | static int cap_shm_alloc_security(struct shmid_kernel *shp) | |
549 | { | |
550 | return 0; | |
551 | } | |
552 | ||
553 | static void cap_shm_free_security(struct shmid_kernel *shp) | |
554 | { | |
555 | } | |
556 | ||
557 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) | |
558 | { | |
559 | return 0; | |
560 | } | |
561 | ||
562 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
563 | { | |
564 | return 0; | |
565 | } | |
566 | ||
567 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, | |
568 | int shmflg) | |
569 | { | |
570 | return 0; | |
571 | } | |
572 | ||
573 | static int cap_sem_alloc_security(struct sem_array *sma) | |
574 | { | |
575 | return 0; | |
576 | } | |
577 | ||
578 | static void cap_sem_free_security(struct sem_array *sma) | |
579 | { | |
580 | } | |
581 | ||
582 | static int cap_sem_associate(struct sem_array *sma, int semflg) | |
583 | { | |
584 | return 0; | |
585 | } | |
586 | ||
587 | static int cap_sem_semctl(struct sem_array *sma, int cmd) | |
588 | { | |
589 | return 0; | |
590 | } | |
591 | ||
592 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
593 | unsigned nsops, int alter) | |
594 | { | |
595 | return 0; | |
596 | } | |
597 | ||
598 | #ifdef CONFIG_SECURITY_NETWORK | |
3610cda5 | 599 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other, |
5915eb53 MS |
600 | struct sock *newsk) |
601 | { | |
602 | return 0; | |
603 | } | |
604 | ||
605 | static int cap_unix_may_send(struct socket *sock, struct socket *other) | |
606 | { | |
607 | return 0; | |
608 | } | |
609 | ||
610 | static int cap_socket_create(int family, int type, int protocol, int kern) | |
611 | { | |
612 | return 0; | |
613 | } | |
614 | ||
615 | static int cap_socket_post_create(struct socket *sock, int family, int type, | |
616 | int protocol, int kern) | |
617 | { | |
618 | return 0; | |
619 | } | |
620 | ||
621 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, | |
622 | int addrlen) | |
623 | { | |
624 | return 0; | |
625 | } | |
626 | ||
627 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, | |
628 | int addrlen) | |
629 | { | |
630 | return 0; | |
631 | } | |
632 | ||
633 | static int cap_socket_listen(struct socket *sock, int backlog) | |
634 | { | |
635 | return 0; | |
636 | } | |
637 | ||
638 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) | |
639 | { | |
640 | return 0; | |
641 | } | |
642 | ||
5915eb53 MS |
643 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
644 | { | |
645 | return 0; | |
646 | } | |
647 | ||
648 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
649 | int size, int flags) | |
650 | { | |
651 | return 0; | |
652 | } | |
653 | ||
654 | static int cap_socket_getsockname(struct socket *sock) | |
655 | { | |
656 | return 0; | |
657 | } | |
658 | ||
659 | static int cap_socket_getpeername(struct socket *sock) | |
660 | { | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) | |
665 | { | |
666 | return 0; | |
667 | } | |
668 | ||
669 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) | |
670 | { | |
671 | return 0; | |
672 | } | |
673 | ||
674 | static int cap_socket_shutdown(struct socket *sock, int how) | |
675 | { | |
676 | return 0; | |
677 | } | |
678 | ||
679 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
680 | { | |
681 | return 0; | |
682 | } | |
683 | ||
684 | static int cap_socket_getpeersec_stream(struct socket *sock, | |
685 | char __user *optval, | |
686 | int __user *optlen, unsigned len) | |
687 | { | |
688 | return -ENOPROTOOPT; | |
689 | } | |
690 | ||
691 | static int cap_socket_getpeersec_dgram(struct socket *sock, | |
692 | struct sk_buff *skb, u32 *secid) | |
693 | { | |
694 | return -ENOPROTOOPT; | |
695 | } | |
696 | ||
697 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) | |
698 | { | |
699 | return 0; | |
700 | } | |
701 | ||
702 | static void cap_sk_free_security(struct sock *sk) | |
703 | { | |
704 | } | |
705 | ||
706 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) | |
707 | { | |
708 | } | |
709 | ||
710 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) | |
711 | { | |
712 | } | |
713 | ||
714 | static void cap_sock_graft(struct sock *sk, struct socket *parent) | |
715 | { | |
716 | } | |
717 | ||
718 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, | |
719 | struct request_sock *req) | |
720 | { | |
721 | return 0; | |
722 | } | |
723 | ||
724 | static void cap_inet_csk_clone(struct sock *newsk, | |
725 | const struct request_sock *req) | |
726 | { | |
727 | } | |
728 | ||
729 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) | |
730 | { | |
731 | } | |
732 | ||
2606fd1f EP |
733 | static int cap_secmark_relabel_packet(u32 secid) |
734 | { | |
735 | return 0; | |
736 | } | |
2b980dbd | 737 | |
2606fd1f EP |
738 | static void cap_secmark_refcount_inc(void) |
739 | { | |
740 | } | |
741 | ||
742 | static void cap_secmark_refcount_dec(void) | |
743 | { | |
744 | } | |
2b980dbd | 745 | |
5915eb53 MS |
746 | static void cap_req_classify_flow(const struct request_sock *req, |
747 | struct flowi *fl) | |
748 | { | |
749 | } | |
2b980dbd | 750 | |
5dbbaf2d PM |
751 | static int cap_tun_dev_alloc_security(void **security) |
752 | { | |
753 | return 0; | |
754 | } | |
755 | ||
756 | static void cap_tun_dev_free_security(void *security) | |
757 | { | |
758 | } | |
759 | ||
2b980dbd PM |
760 | static int cap_tun_dev_create(void) |
761 | { | |
762 | return 0; | |
763 | } | |
764 | ||
5dbbaf2d PM |
765 | static int cap_tun_dev_attach_queue(void *security) |
766 | { | |
767 | return 0; | |
768 | } | |
769 | ||
770 | static int cap_tun_dev_attach(struct sock *sk, void *security) | |
2b980dbd | 771 | { |
5dbbaf2d | 772 | return 0; |
2b980dbd PM |
773 | } |
774 | ||
5dbbaf2d | 775 | static int cap_tun_dev_open(void *security) |
2b980dbd PM |
776 | { |
777 | return 0; | |
778 | } | |
ca10b9e9 ED |
779 | |
780 | static void cap_skb_owned_by(struct sk_buff *skb, struct sock *sk) | |
781 | { | |
782 | } | |
783 | ||
5915eb53 MS |
784 | #endif /* CONFIG_SECURITY_NETWORK */ |
785 | ||
786 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
787 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, | |
52a4c640 NA |
788 | struct xfrm_user_sec_ctx *sec_ctx, |
789 | gfp_t gfp) | |
5915eb53 MS |
790 | { |
791 | return 0; | |
792 | } | |
793 | ||
794 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, | |
795 | struct xfrm_sec_ctx **new_ctxp) | |
796 | { | |
797 | return 0; | |
798 | } | |
799 | ||
800 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) | |
801 | { | |
802 | } | |
803 | ||
804 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) | |
805 | { | |
806 | return 0; | |
807 | } | |
808 | ||
2e5aa866 PM |
809 | static int cap_xfrm_state_alloc(struct xfrm_state *x, |
810 | struct xfrm_user_sec_ctx *sec_ctx) | |
811 | { | |
812 | return 0; | |
813 | } | |
814 | ||
815 | static int cap_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
816 | struct xfrm_sec_ctx *polsec, | |
817 | u32 secid) | |
5915eb53 MS |
818 | { |
819 | return 0; | |
820 | } | |
821 | ||
822 | static void cap_xfrm_state_free_security(struct xfrm_state *x) | |
823 | { | |
824 | } | |
825 | ||
826 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) | |
827 | { | |
828 | return 0; | |
829 | } | |
830 | ||
831 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) | |
832 | { | |
833 | return 0; | |
834 | } | |
835 | ||
836 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
837 | struct xfrm_policy *xp, | |
e33f7704 | 838 | const struct flowi *fl) |
5915eb53 MS |
839 | { |
840 | return 1; | |
841 | } | |
842 | ||
843 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) | |
844 | { | |
845 | return 0; | |
846 | } | |
847 | ||
848 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
5915eb53 MS |
849 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
850 | { | |
851 | } | |
852 | ||
853 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) | |
854 | { | |
855 | return -EINVAL; | |
856 | } | |
857 | ||
858 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, | |
859 | size_t size) | |
860 | { | |
861 | return -EINVAL; | |
862 | } | |
863 | ||
746df9b5 DQ |
864 | static int cap_ismaclabel(const char *name) |
865 | { | |
866 | return 0; | |
867 | } | |
868 | ||
5915eb53 MS |
869 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
870 | { | |
871 | return -EOPNOTSUPP; | |
872 | } | |
873 | ||
874 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) | |
875 | { | |
2606fd1f EP |
876 | *secid = 0; |
877 | return 0; | |
5915eb53 MS |
878 | } |
879 | ||
880 | static void cap_release_secctx(char *secdata, u32 seclen) | |
881 | { | |
882 | } | |
883 | ||
1ee65e37 DQ |
884 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
885 | { | |
886 | return 0; | |
887 | } | |
888 | ||
889 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
890 | { | |
891 | return 0; | |
892 | } | |
893 | ||
894 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
895 | { | |
0d422afb | 896 | return -EOPNOTSUPP; |
1ee65e37 | 897 | } |
5915eb53 | 898 | #ifdef CONFIG_KEYS |
d84f4f99 | 899 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
5915eb53 MS |
900 | unsigned long flags) |
901 | { | |
902 | return 0; | |
903 | } | |
904 | ||
905 | static void cap_key_free(struct key *key) | |
906 | { | |
907 | } | |
908 | ||
d84f4f99 | 909 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
f5895943 | 910 | unsigned perm) |
5915eb53 MS |
911 | { |
912 | return 0; | |
913 | } | |
914 | ||
915 | static int cap_key_getsecurity(struct key *key, char **_buffer) | |
916 | { | |
917 | *_buffer = NULL; | |
918 | return 0; | |
919 | } | |
920 | ||
921 | #endif /* CONFIG_KEYS */ | |
922 | ||
923 | #ifdef CONFIG_AUDIT | |
924 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
925 | { | |
926 | return 0; | |
927 | } | |
928 | ||
929 | static int cap_audit_rule_known(struct audit_krule *krule) | |
930 | { | |
931 | return 0; | |
932 | } | |
933 | ||
934 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
935 | struct audit_context *actx) | |
936 | { | |
937 | return 0; | |
938 | } | |
939 | ||
940 | static void cap_audit_rule_free(void *lsmrule) | |
941 | { | |
942 | } | |
943 | #endif /* CONFIG_AUDIT */ | |
944 | ||
5915eb53 MS |
945 | #define set_to_cap_if_null(ops, function) \ |
946 | do { \ | |
947 | if (!ops->function) { \ | |
948 | ops->function = cap_##function; \ | |
949 | pr_debug("Had to override the " #function \ | |
950 | " security operation with the default.\n");\ | |
951 | } \ | |
952 | } while (0) | |
953 | ||
c80901f2 | 954 | void __init security_fixup_ops(struct security_operations *ops) |
5915eb53 | 955 | { |
79af7307 SS |
956 | set_to_cap_if_null(ops, binder_set_context_mgr); |
957 | set_to_cap_if_null(ops, binder_transaction); | |
958 | set_to_cap_if_null(ops, binder_transfer_binder); | |
959 | set_to_cap_if_null(ops, binder_transfer_file); | |
9e48858f | 960 | set_to_cap_if_null(ops, ptrace_access_check); |
5cd9c58f | 961 | set_to_cap_if_null(ops, ptrace_traceme); |
5915eb53 | 962 | set_to_cap_if_null(ops, capget); |
d84f4f99 | 963 | set_to_cap_if_null(ops, capset); |
5915eb53 MS |
964 | set_to_cap_if_null(ops, capable); |
965 | set_to_cap_if_null(ops, quotactl); | |
966 | set_to_cap_if_null(ops, quota_on); | |
5915eb53 MS |
967 | set_to_cap_if_null(ops, syslog); |
968 | set_to_cap_if_null(ops, settime); | |
969 | set_to_cap_if_null(ops, vm_enough_memory); | |
a6f76f23 DH |
970 | set_to_cap_if_null(ops, bprm_set_creds); |
971 | set_to_cap_if_null(ops, bprm_committing_creds); | |
972 | set_to_cap_if_null(ops, bprm_committed_creds); | |
5915eb53 MS |
973 | set_to_cap_if_null(ops, bprm_check_security); |
974 | set_to_cap_if_null(ops, bprm_secureexec); | |
975 | set_to_cap_if_null(ops, sb_alloc_security); | |
976 | set_to_cap_if_null(ops, sb_free_security); | |
977 | set_to_cap_if_null(ops, sb_copy_data); | |
ff36fe2c | 978 | set_to_cap_if_null(ops, sb_remount); |
5915eb53 MS |
979 | set_to_cap_if_null(ops, sb_kern_mount); |
980 | set_to_cap_if_null(ops, sb_show_options); | |
981 | set_to_cap_if_null(ops, sb_statfs); | |
982 | set_to_cap_if_null(ops, sb_mount); | |
5915eb53 | 983 | set_to_cap_if_null(ops, sb_umount); |
5915eb53 | 984 | set_to_cap_if_null(ops, sb_pivotroot); |
5915eb53 MS |
985 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
986 | set_to_cap_if_null(ops, sb_clone_mnt_opts); | |
987 | set_to_cap_if_null(ops, sb_parse_opts_str); | |
d47be3df | 988 | set_to_cap_if_null(ops, dentry_init_security); |
5915eb53 MS |
989 | set_to_cap_if_null(ops, inode_alloc_security); |
990 | set_to_cap_if_null(ops, inode_free_security); | |
991 | set_to_cap_if_null(ops, inode_init_security); | |
992 | set_to_cap_if_null(ops, inode_create); | |
993 | set_to_cap_if_null(ops, inode_link); | |
994 | set_to_cap_if_null(ops, inode_unlink); | |
995 | set_to_cap_if_null(ops, inode_symlink); | |
996 | set_to_cap_if_null(ops, inode_mkdir); | |
997 | set_to_cap_if_null(ops, inode_rmdir); | |
998 | set_to_cap_if_null(ops, inode_mknod); | |
999 | set_to_cap_if_null(ops, inode_rename); | |
1000 | set_to_cap_if_null(ops, inode_readlink); | |
1001 | set_to_cap_if_null(ops, inode_follow_link); | |
1002 | set_to_cap_if_null(ops, inode_permission); | |
1003 | set_to_cap_if_null(ops, inode_setattr); | |
1004 | set_to_cap_if_null(ops, inode_getattr); | |
5915eb53 MS |
1005 | set_to_cap_if_null(ops, inode_setxattr); |
1006 | set_to_cap_if_null(ops, inode_post_setxattr); | |
1007 | set_to_cap_if_null(ops, inode_getxattr); | |
1008 | set_to_cap_if_null(ops, inode_listxattr); | |
1009 | set_to_cap_if_null(ops, inode_removexattr); | |
1010 | set_to_cap_if_null(ops, inode_need_killpriv); | |
1011 | set_to_cap_if_null(ops, inode_killpriv); | |
1012 | set_to_cap_if_null(ops, inode_getsecurity); | |
1013 | set_to_cap_if_null(ops, inode_setsecurity); | |
1014 | set_to_cap_if_null(ops, inode_listsecurity); | |
1015 | set_to_cap_if_null(ops, inode_getsecid); | |
be6d3e56 KT |
1016 | #ifdef CONFIG_SECURITY_PATH |
1017 | set_to_cap_if_null(ops, path_mknod); | |
1018 | set_to_cap_if_null(ops, path_mkdir); | |
1019 | set_to_cap_if_null(ops, path_rmdir); | |
1020 | set_to_cap_if_null(ops, path_unlink); | |
1021 | set_to_cap_if_null(ops, path_symlink); | |
1022 | set_to_cap_if_null(ops, path_link); | |
1023 | set_to_cap_if_null(ops, path_rename); | |
1024 | set_to_cap_if_null(ops, path_truncate); | |
89eda068 TH |
1025 | set_to_cap_if_null(ops, path_chmod); |
1026 | set_to_cap_if_null(ops, path_chown); | |
8b8efb44 | 1027 | set_to_cap_if_null(ops, path_chroot); |
be6d3e56 | 1028 | #endif |
5915eb53 MS |
1029 | set_to_cap_if_null(ops, file_permission); |
1030 | set_to_cap_if_null(ops, file_alloc_security); | |
1031 | set_to_cap_if_null(ops, file_free_security); | |
1032 | set_to_cap_if_null(ops, file_ioctl); | |
e5467859 AV |
1033 | set_to_cap_if_null(ops, mmap_addr); |
1034 | set_to_cap_if_null(ops, mmap_file); | |
5915eb53 MS |
1035 | set_to_cap_if_null(ops, file_mprotect); |
1036 | set_to_cap_if_null(ops, file_lock); | |
1037 | set_to_cap_if_null(ops, file_fcntl); | |
1038 | set_to_cap_if_null(ops, file_set_fowner); | |
1039 | set_to_cap_if_null(ops, file_send_sigiotask); | |
1040 | set_to_cap_if_null(ops, file_receive); | |
83d49856 | 1041 | set_to_cap_if_null(ops, file_open); |
5915eb53 | 1042 | set_to_cap_if_null(ops, task_create); |
1a2a4d06 | 1043 | set_to_cap_if_null(ops, task_free); |
ee18d64c | 1044 | set_to_cap_if_null(ops, cred_alloc_blank); |
f1752eec | 1045 | set_to_cap_if_null(ops, cred_free); |
d84f4f99 | 1046 | set_to_cap_if_null(ops, cred_prepare); |
ee18d64c | 1047 | set_to_cap_if_null(ops, cred_transfer); |
3a3b7ce9 DH |
1048 | set_to_cap_if_null(ops, kernel_act_as); |
1049 | set_to_cap_if_null(ops, kernel_create_files_as); | |
13752fe2 | 1050 | set_to_cap_if_null(ops, kernel_fw_from_file); |
9188499c | 1051 | set_to_cap_if_null(ops, kernel_module_request); |
2e72d51b | 1052 | set_to_cap_if_null(ops, kernel_module_from_file); |
d84f4f99 | 1053 | set_to_cap_if_null(ops, task_fix_setuid); |
5915eb53 MS |
1054 | set_to_cap_if_null(ops, task_setpgid); |
1055 | set_to_cap_if_null(ops, task_getpgid); | |
1056 | set_to_cap_if_null(ops, task_getsid); | |
1057 | set_to_cap_if_null(ops, task_getsecid); | |
5915eb53 MS |
1058 | set_to_cap_if_null(ops, task_setnice); |
1059 | set_to_cap_if_null(ops, task_setioprio); | |
1060 | set_to_cap_if_null(ops, task_getioprio); | |
1061 | set_to_cap_if_null(ops, task_setrlimit); | |
1062 | set_to_cap_if_null(ops, task_setscheduler); | |
1063 | set_to_cap_if_null(ops, task_getscheduler); | |
1064 | set_to_cap_if_null(ops, task_movememory); | |
1065 | set_to_cap_if_null(ops, task_wait); | |
1066 | set_to_cap_if_null(ops, task_kill); | |
1067 | set_to_cap_if_null(ops, task_prctl); | |
5915eb53 MS |
1068 | set_to_cap_if_null(ops, task_to_inode); |
1069 | set_to_cap_if_null(ops, ipc_permission); | |
1070 | set_to_cap_if_null(ops, ipc_getsecid); | |
1071 | set_to_cap_if_null(ops, msg_msg_alloc_security); | |
1072 | set_to_cap_if_null(ops, msg_msg_free_security); | |
1073 | set_to_cap_if_null(ops, msg_queue_alloc_security); | |
1074 | set_to_cap_if_null(ops, msg_queue_free_security); | |
1075 | set_to_cap_if_null(ops, msg_queue_associate); | |
1076 | set_to_cap_if_null(ops, msg_queue_msgctl); | |
1077 | set_to_cap_if_null(ops, msg_queue_msgsnd); | |
1078 | set_to_cap_if_null(ops, msg_queue_msgrcv); | |
1079 | set_to_cap_if_null(ops, shm_alloc_security); | |
1080 | set_to_cap_if_null(ops, shm_free_security); | |
1081 | set_to_cap_if_null(ops, shm_associate); | |
1082 | set_to_cap_if_null(ops, shm_shmctl); | |
1083 | set_to_cap_if_null(ops, shm_shmat); | |
1084 | set_to_cap_if_null(ops, sem_alloc_security); | |
1085 | set_to_cap_if_null(ops, sem_free_security); | |
1086 | set_to_cap_if_null(ops, sem_associate); | |
1087 | set_to_cap_if_null(ops, sem_semctl); | |
1088 | set_to_cap_if_null(ops, sem_semop); | |
1089 | set_to_cap_if_null(ops, netlink_send); | |
5915eb53 MS |
1090 | set_to_cap_if_null(ops, d_instantiate); |
1091 | set_to_cap_if_null(ops, getprocattr); | |
1092 | set_to_cap_if_null(ops, setprocattr); | |
746df9b5 | 1093 | set_to_cap_if_null(ops, ismaclabel); |
5915eb53 MS |
1094 | set_to_cap_if_null(ops, secid_to_secctx); |
1095 | set_to_cap_if_null(ops, secctx_to_secid); | |
1096 | set_to_cap_if_null(ops, release_secctx); | |
1ee65e37 DQ |
1097 | set_to_cap_if_null(ops, inode_notifysecctx); |
1098 | set_to_cap_if_null(ops, inode_setsecctx); | |
1099 | set_to_cap_if_null(ops, inode_getsecctx); | |
5915eb53 MS |
1100 | #ifdef CONFIG_SECURITY_NETWORK |
1101 | set_to_cap_if_null(ops, unix_stream_connect); | |
1102 | set_to_cap_if_null(ops, unix_may_send); | |
1103 | set_to_cap_if_null(ops, socket_create); | |
1104 | set_to_cap_if_null(ops, socket_post_create); | |
1105 | set_to_cap_if_null(ops, socket_bind); | |
1106 | set_to_cap_if_null(ops, socket_connect); | |
1107 | set_to_cap_if_null(ops, socket_listen); | |
1108 | set_to_cap_if_null(ops, socket_accept); | |
5915eb53 MS |
1109 | set_to_cap_if_null(ops, socket_sendmsg); |
1110 | set_to_cap_if_null(ops, socket_recvmsg); | |
1111 | set_to_cap_if_null(ops, socket_getsockname); | |
1112 | set_to_cap_if_null(ops, socket_getpeername); | |
1113 | set_to_cap_if_null(ops, socket_setsockopt); | |
1114 | set_to_cap_if_null(ops, socket_getsockopt); | |
1115 | set_to_cap_if_null(ops, socket_shutdown); | |
1116 | set_to_cap_if_null(ops, socket_sock_rcv_skb); | |
1117 | set_to_cap_if_null(ops, socket_getpeersec_stream); | |
1118 | set_to_cap_if_null(ops, socket_getpeersec_dgram); | |
1119 | set_to_cap_if_null(ops, sk_alloc_security); | |
1120 | set_to_cap_if_null(ops, sk_free_security); | |
1121 | set_to_cap_if_null(ops, sk_clone_security); | |
1122 | set_to_cap_if_null(ops, sk_getsecid); | |
1123 | set_to_cap_if_null(ops, sock_graft); | |
1124 | set_to_cap_if_null(ops, inet_conn_request); | |
1125 | set_to_cap_if_null(ops, inet_csk_clone); | |
1126 | set_to_cap_if_null(ops, inet_conn_established); | |
2606fd1f EP |
1127 | set_to_cap_if_null(ops, secmark_relabel_packet); |
1128 | set_to_cap_if_null(ops, secmark_refcount_inc); | |
1129 | set_to_cap_if_null(ops, secmark_refcount_dec); | |
5915eb53 | 1130 | set_to_cap_if_null(ops, req_classify_flow); |
5dbbaf2d PM |
1131 | set_to_cap_if_null(ops, tun_dev_alloc_security); |
1132 | set_to_cap_if_null(ops, tun_dev_free_security); | |
2b980dbd | 1133 | set_to_cap_if_null(ops, tun_dev_create); |
5dbbaf2d PM |
1134 | set_to_cap_if_null(ops, tun_dev_open); |
1135 | set_to_cap_if_null(ops, tun_dev_attach_queue); | |
2b980dbd | 1136 | set_to_cap_if_null(ops, tun_dev_attach); |
ca10b9e9 | 1137 | set_to_cap_if_null(ops, skb_owned_by); |
5915eb53 MS |
1138 | #endif /* CONFIG_SECURITY_NETWORK */ |
1139 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1140 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); | |
1141 | set_to_cap_if_null(ops, xfrm_policy_clone_security); | |
1142 | set_to_cap_if_null(ops, xfrm_policy_free_security); | |
1143 | set_to_cap_if_null(ops, xfrm_policy_delete_security); | |
2e5aa866 PM |
1144 | set_to_cap_if_null(ops, xfrm_state_alloc); |
1145 | set_to_cap_if_null(ops, xfrm_state_alloc_acquire); | |
5915eb53 MS |
1146 | set_to_cap_if_null(ops, xfrm_state_free_security); |
1147 | set_to_cap_if_null(ops, xfrm_state_delete_security); | |
1148 | set_to_cap_if_null(ops, xfrm_policy_lookup); | |
1149 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); | |
1150 | set_to_cap_if_null(ops, xfrm_decode_session); | |
1151 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1152 | #ifdef CONFIG_KEYS | |
1153 | set_to_cap_if_null(ops, key_alloc); | |
1154 | set_to_cap_if_null(ops, key_free); | |
1155 | set_to_cap_if_null(ops, key_permission); | |
1156 | set_to_cap_if_null(ops, key_getsecurity); | |
1157 | #endif /* CONFIG_KEYS */ | |
1158 | #ifdef CONFIG_AUDIT | |
1159 | set_to_cap_if_null(ops, audit_rule_init); | |
1160 | set_to_cap_if_null(ops, audit_rule_known); | |
1161 | set_to_cap_if_null(ops, audit_rule_match); | |
1162 | set_to_cap_if_null(ops, audit_rule_free); | |
1163 | #endif | |
1164 | } |