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