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Commit | Line | Data |
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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 | ||
77 | static int cap_sb_mount(char *dev_name, struct path *path, char *type, | |
78 | unsigned long flags, void *data) | |
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 | ||
101 | static void cap_sb_clone_mnt_opts(const struct super_block *oldsb, | |
102 | struct super_block *newsb) | |
103 | { | |
104 | } | |
105 | ||
106 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
107 | { | |
108 | return 0; | |
109 | } | |
110 | ||
111 | static int cap_inode_alloc_security(struct inode *inode) | |
112 | { | |
113 | return 0; | |
114 | } | |
115 | ||
116 | static void cap_inode_free_security(struct inode *inode) | |
117 | { | |
118 | } | |
119 | ||
120 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, | |
2a7dba39 EP |
121 | const struct qstr *qstr, char **name, |
122 | void **value, size_t *len) | |
5915eb53 MS |
123 | { |
124 | return -EOPNOTSUPP; | |
125 | } | |
126 | ||
127 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, | |
4acdaf27 | 128 | umode_t mask) |
5915eb53 MS |
129 | { |
130 | return 0; | |
131 | } | |
132 | ||
133 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, | |
134 | struct dentry *new_dentry) | |
135 | { | |
136 | return 0; | |
137 | } | |
138 | ||
139 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) | |
140 | { | |
141 | return 0; | |
142 | } | |
143 | ||
144 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, | |
145 | const char *name) | |
146 | { | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, | |
18bb1db3 | 151 | umode_t mask) |
5915eb53 MS |
152 | { |
153 | return 0; | |
154 | } | |
155 | ||
156 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) | |
157 | { | |
158 | return 0; | |
159 | } | |
160 | ||
161 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, | |
1a67aafb | 162 | umode_t mode, dev_t dev) |
5915eb53 MS |
163 | { |
164 | return 0; | |
165 | } | |
166 | ||
167 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, | |
168 | struct inode *new_inode, struct dentry *new_dentry) | |
169 | { | |
170 | return 0; | |
171 | } | |
172 | ||
173 | static int cap_inode_readlink(struct dentry *dentry) | |
174 | { | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int cap_inode_follow_link(struct dentry *dentry, | |
179 | struct nameidata *nameidata) | |
180 | { | |
181 | return 0; | |
182 | } | |
183 | ||
e74f71eb | 184 | static int cap_inode_permission(struct inode *inode, int mask) |
5915eb53 MS |
185 | { |
186 | return 0; | |
187 | } | |
188 | ||
189 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) | |
190 | { | |
191 | return 0; | |
192 | } | |
193 | ||
194 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
195 | { | |
196 | return 0; | |
197 | } | |
198 | ||
5915eb53 MS |
199 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, |
200 | const void *value, size_t size, int flags) | |
201 | { | |
202 | } | |
203 | ||
204 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) | |
205 | { | |
206 | return 0; | |
207 | } | |
208 | ||
209 | static int cap_inode_listxattr(struct dentry *dentry) | |
210 | { | |
211 | return 0; | |
212 | } | |
213 | ||
214 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, | |
215 | void **buffer, bool alloc) | |
216 | { | |
217 | return -EOPNOTSUPP; | |
218 | } | |
219 | ||
220 | static int cap_inode_setsecurity(struct inode *inode, const char *name, | |
221 | const void *value, size_t size, int flags) | |
222 | { | |
223 | return -EOPNOTSUPP; | |
224 | } | |
225 | ||
226 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, | |
227 | size_t buffer_size) | |
228 | { | |
229 | return 0; | |
230 | } | |
231 | ||
232 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) | |
233 | { | |
234 | *secid = 0; | |
235 | } | |
236 | ||
be6d3e56 KT |
237 | #ifdef CONFIG_SECURITY_PATH |
238 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, int mode, | |
239 | unsigned int dev) | |
240 | { | |
241 | return 0; | |
242 | } | |
243 | ||
244 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, int mode) | |
245 | { | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry) | |
250 | { | |
251 | return 0; | |
252 | } | |
253 | ||
254 | static int cap_path_unlink(struct path *dir, struct dentry *dentry) | |
255 | { | |
256 | return 0; | |
257 | } | |
258 | ||
259 | static int cap_path_symlink(struct path *dir, struct dentry *dentry, | |
260 | const char *old_name) | |
261 | { | |
262 | return 0; | |
263 | } | |
264 | ||
265 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir, | |
266 | struct dentry *new_dentry) | |
267 | { | |
268 | return 0; | |
269 | } | |
270 | ||
271 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry, | |
272 | struct path *new_path, struct dentry *new_dentry) | |
273 | { | |
274 | return 0; | |
275 | } | |
276 | ||
ea0d3ab2 | 277 | static int cap_path_truncate(struct path *path) |
be6d3e56 KT |
278 | { |
279 | return 0; | |
280 | } | |
89eda068 TH |
281 | |
282 | static int cap_path_chmod(struct dentry *dentry, struct vfsmount *mnt, | |
283 | mode_t mode) | |
284 | { | |
285 | return 0; | |
286 | } | |
287 | ||
288 | static int cap_path_chown(struct path *path, uid_t uid, gid_t gid) | |
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 | ||
745ca247 | 352 | static int cap_dentry_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 | ||
ee18d64c DH |
362 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
363 | { | |
364 | return 0; | |
365 | } | |
366 | ||
d84f4f99 DH |
367 | static void cap_cred_free(struct cred *cred) |
368 | { | |
369 | } | |
370 | ||
371 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) | |
5915eb53 MS |
372 | { |
373 | return 0; | |
374 | } | |
375 | ||
ee18d64c DH |
376 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
377 | { | |
378 | } | |
379 | ||
3a3b7ce9 DH |
380 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
381 | { | |
382 | return 0; | |
383 | } | |
384 | ||
385 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) | |
386 | { | |
387 | return 0; | |
388 | } | |
389 | ||
dd8dbf2e | 390 | static int cap_kernel_module_request(char *kmod_name) |
9188499c EP |
391 | { |
392 | return 0; | |
393 | } | |
394 | ||
5915eb53 MS |
395 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
396 | { | |
397 | return 0; | |
398 | } | |
1da177e4 | 399 | |
5915eb53 | 400 | static int cap_task_getpgid(struct task_struct *p) |
1da177e4 | 401 | { |
1da177e4 LT |
402 | return 0; |
403 | } | |
404 | ||
5915eb53 MS |
405 | static int cap_task_getsid(struct task_struct *p) |
406 | { | |
407 | return 0; | |
408 | } | |
409 | ||
410 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) | |
411 | { | |
412 | *secid = 0; | |
413 | } | |
414 | ||
5915eb53 MS |
415 | static int cap_task_getioprio(struct task_struct *p) |
416 | { | |
417 | return 0; | |
418 | } | |
419 | ||
8fd00b4d JS |
420 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource, |
421 | struct rlimit *new_rlim) | |
5915eb53 MS |
422 | { |
423 | return 0; | |
424 | } | |
425 | ||
426 | static int cap_task_getscheduler(struct task_struct *p) | |
427 | { | |
428 | return 0; | |
429 | } | |
430 | ||
431 | static int cap_task_movememory(struct task_struct *p) | |
432 | { | |
433 | return 0; | |
434 | } | |
435 | ||
436 | static int cap_task_wait(struct task_struct *p) | |
437 | { | |
438 | return 0; | |
439 | } | |
440 | ||
441 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, | |
442 | int sig, u32 secid) | |
443 | { | |
444 | return 0; | |
445 | } | |
446 | ||
447 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) | |
448 | { | |
449 | } | |
450 | ||
451 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
452 | { | |
453 | return 0; | |
454 | } | |
455 | ||
456 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |
457 | { | |
458 | *secid = 0; | |
459 | } | |
460 | ||
461 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) | |
462 | { | |
463 | return 0; | |
464 | } | |
465 | ||
466 | static void cap_msg_msg_free_security(struct msg_msg *msg) | |
467 | { | |
468 | } | |
469 | ||
470 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) | |
471 | { | |
472 | return 0; | |
473 | } | |
474 | ||
475 | static void cap_msg_queue_free_security(struct msg_queue *msq) | |
476 | { | |
477 | } | |
478 | ||
479 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
480 | { | |
481 | return 0; | |
482 | } | |
483 | ||
484 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
485 | { | |
486 | return 0; | |
487 | } | |
488 | ||
489 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, | |
490 | int msgflg) | |
491 | { | |
492 | return 0; | |
493 | } | |
494 | ||
495 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
496 | struct task_struct *target, long type, int mode) | |
497 | { | |
498 | return 0; | |
499 | } | |
500 | ||
501 | static int cap_shm_alloc_security(struct shmid_kernel *shp) | |
502 | { | |
503 | return 0; | |
504 | } | |
505 | ||
506 | static void cap_shm_free_security(struct shmid_kernel *shp) | |
507 | { | |
508 | } | |
509 | ||
510 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) | |
511 | { | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
516 | { | |
517 | return 0; | |
518 | } | |
519 | ||
520 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, | |
521 | int shmflg) | |
522 | { | |
523 | return 0; | |
524 | } | |
525 | ||
526 | static int cap_sem_alloc_security(struct sem_array *sma) | |
527 | { | |
528 | return 0; | |
529 | } | |
530 | ||
531 | static void cap_sem_free_security(struct sem_array *sma) | |
532 | { | |
533 | } | |
534 | ||
535 | static int cap_sem_associate(struct sem_array *sma, int semflg) | |
536 | { | |
537 | return 0; | |
538 | } | |
539 | ||
540 | static int cap_sem_semctl(struct sem_array *sma, int cmd) | |
541 | { | |
542 | return 0; | |
543 | } | |
544 | ||
545 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
546 | unsigned nsops, int alter) | |
547 | { | |
548 | return 0; | |
549 | } | |
550 | ||
551 | #ifdef CONFIG_SECURITY_NETWORK | |
3610cda5 | 552 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other, |
5915eb53 MS |
553 | struct sock *newsk) |
554 | { | |
555 | return 0; | |
556 | } | |
557 | ||
558 | static int cap_unix_may_send(struct socket *sock, struct socket *other) | |
559 | { | |
560 | return 0; | |
561 | } | |
562 | ||
563 | static int cap_socket_create(int family, int type, int protocol, int kern) | |
564 | { | |
565 | return 0; | |
566 | } | |
567 | ||
568 | static int cap_socket_post_create(struct socket *sock, int family, int type, | |
569 | int protocol, int kern) | |
570 | { | |
571 | return 0; | |
572 | } | |
573 | ||
574 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, | |
575 | int addrlen) | |
576 | { | |
577 | return 0; | |
578 | } | |
579 | ||
580 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, | |
581 | int addrlen) | |
582 | { | |
583 | return 0; | |
584 | } | |
585 | ||
586 | static int cap_socket_listen(struct socket *sock, int backlog) | |
587 | { | |
588 | return 0; | |
589 | } | |
590 | ||
591 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) | |
592 | { | |
593 | return 0; | |
594 | } | |
595 | ||
5915eb53 MS |
596 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
597 | { | |
598 | return 0; | |
599 | } | |
600 | ||
601 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
602 | int size, int flags) | |
603 | { | |
604 | return 0; | |
605 | } | |
606 | ||
607 | static int cap_socket_getsockname(struct socket *sock) | |
608 | { | |
609 | return 0; | |
610 | } | |
611 | ||
612 | static int cap_socket_getpeername(struct socket *sock) | |
613 | { | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) | |
618 | { | |
619 | return 0; | |
620 | } | |
621 | ||
622 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) | |
623 | { | |
624 | return 0; | |
625 | } | |
626 | ||
627 | static int cap_socket_shutdown(struct socket *sock, int how) | |
628 | { | |
629 | return 0; | |
630 | } | |
631 | ||
632 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
633 | { | |
634 | return 0; | |
635 | } | |
636 | ||
637 | static int cap_socket_getpeersec_stream(struct socket *sock, | |
638 | char __user *optval, | |
639 | int __user *optlen, unsigned len) | |
640 | { | |
641 | return -ENOPROTOOPT; | |
642 | } | |
643 | ||
644 | static int cap_socket_getpeersec_dgram(struct socket *sock, | |
645 | struct sk_buff *skb, u32 *secid) | |
646 | { | |
647 | return -ENOPROTOOPT; | |
648 | } | |
649 | ||
650 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) | |
651 | { | |
652 | return 0; | |
653 | } | |
654 | ||
655 | static void cap_sk_free_security(struct sock *sk) | |
656 | { | |
657 | } | |
658 | ||
659 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) | |
660 | { | |
661 | } | |
662 | ||
663 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) | |
664 | { | |
665 | } | |
666 | ||
667 | static void cap_sock_graft(struct sock *sk, struct socket *parent) | |
668 | { | |
669 | } | |
670 | ||
671 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, | |
672 | struct request_sock *req) | |
673 | { | |
674 | return 0; | |
675 | } | |
676 | ||
677 | static void cap_inet_csk_clone(struct sock *newsk, | |
678 | const struct request_sock *req) | |
679 | { | |
680 | } | |
681 | ||
682 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) | |
683 | { | |
684 | } | |
685 | ||
2606fd1f EP |
686 | static int cap_secmark_relabel_packet(u32 secid) |
687 | { | |
688 | return 0; | |
689 | } | |
2b980dbd | 690 | |
2606fd1f EP |
691 | static void cap_secmark_refcount_inc(void) |
692 | { | |
693 | } | |
694 | ||
695 | static void cap_secmark_refcount_dec(void) | |
696 | { | |
697 | } | |
2b980dbd | 698 | |
5915eb53 MS |
699 | static void cap_req_classify_flow(const struct request_sock *req, |
700 | struct flowi *fl) | |
701 | { | |
702 | } | |
2b980dbd PM |
703 | |
704 | static int cap_tun_dev_create(void) | |
705 | { | |
706 | return 0; | |
707 | } | |
708 | ||
709 | static void cap_tun_dev_post_create(struct sock *sk) | |
710 | { | |
711 | } | |
712 | ||
713 | static int cap_tun_dev_attach(struct sock *sk) | |
714 | { | |
715 | return 0; | |
716 | } | |
5915eb53 MS |
717 | #endif /* CONFIG_SECURITY_NETWORK */ |
718 | ||
719 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
720 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, | |
721 | struct xfrm_user_sec_ctx *sec_ctx) | |
722 | { | |
723 | return 0; | |
724 | } | |
725 | ||
726 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, | |
727 | struct xfrm_sec_ctx **new_ctxp) | |
728 | { | |
729 | return 0; | |
730 | } | |
731 | ||
732 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) | |
733 | { | |
734 | } | |
735 | ||
736 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) | |
737 | { | |
738 | return 0; | |
739 | } | |
740 | ||
741 | static int cap_xfrm_state_alloc_security(struct xfrm_state *x, | |
742 | struct xfrm_user_sec_ctx *sec_ctx, | |
743 | u32 secid) | |
744 | { | |
745 | return 0; | |
746 | } | |
747 | ||
748 | static void cap_xfrm_state_free_security(struct xfrm_state *x) | |
749 | { | |
750 | } | |
751 | ||
752 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) | |
753 | { | |
754 | return 0; | |
755 | } | |
756 | ||
757 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) | |
758 | { | |
759 | return 0; | |
760 | } | |
761 | ||
762 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
763 | struct xfrm_policy *xp, | |
e33f7704 | 764 | const struct flowi *fl) |
5915eb53 MS |
765 | { |
766 | return 1; | |
767 | } | |
768 | ||
769 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) | |
770 | { | |
771 | return 0; | |
772 | } | |
773 | ||
774 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
5915eb53 MS |
775 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
776 | { | |
777 | } | |
778 | ||
779 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) | |
780 | { | |
781 | return -EINVAL; | |
782 | } | |
783 | ||
784 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, | |
785 | size_t size) | |
786 | { | |
787 | return -EINVAL; | |
788 | } | |
789 | ||
790 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
791 | { | |
792 | return -EOPNOTSUPP; | |
793 | } | |
794 | ||
795 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) | |
796 | { | |
2606fd1f EP |
797 | *secid = 0; |
798 | return 0; | |
5915eb53 MS |
799 | } |
800 | ||
801 | static void cap_release_secctx(char *secdata, u32 seclen) | |
802 | { | |
803 | } | |
804 | ||
1ee65e37 DQ |
805 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
806 | { | |
807 | return 0; | |
808 | } | |
809 | ||
810 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
811 | { | |
812 | return 0; | |
813 | } | |
814 | ||
815 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
816 | { | |
817 | return 0; | |
818 | } | |
5915eb53 | 819 | #ifdef CONFIG_KEYS |
d84f4f99 | 820 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
5915eb53 MS |
821 | unsigned long flags) |
822 | { | |
823 | return 0; | |
824 | } | |
825 | ||
826 | static void cap_key_free(struct key *key) | |
827 | { | |
828 | } | |
829 | ||
d84f4f99 | 830 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
5915eb53 MS |
831 | key_perm_t perm) |
832 | { | |
833 | return 0; | |
834 | } | |
835 | ||
836 | static int cap_key_getsecurity(struct key *key, char **_buffer) | |
837 | { | |
838 | *_buffer = NULL; | |
839 | return 0; | |
840 | } | |
841 | ||
842 | #endif /* CONFIG_KEYS */ | |
843 | ||
844 | #ifdef CONFIG_AUDIT | |
845 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
846 | { | |
847 | return 0; | |
848 | } | |
849 | ||
850 | static int cap_audit_rule_known(struct audit_krule *krule) | |
851 | { | |
852 | return 0; | |
853 | } | |
854 | ||
855 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
856 | struct audit_context *actx) | |
857 | { | |
858 | return 0; | |
859 | } | |
860 | ||
861 | static void cap_audit_rule_free(void *lsmrule) | |
862 | { | |
863 | } | |
864 | #endif /* CONFIG_AUDIT */ | |
865 | ||
5915eb53 MS |
866 | #define set_to_cap_if_null(ops, function) \ |
867 | do { \ | |
868 | if (!ops->function) { \ | |
869 | ops->function = cap_##function; \ | |
870 | pr_debug("Had to override the " #function \ | |
871 | " security operation with the default.\n");\ | |
872 | } \ | |
873 | } while (0) | |
874 | ||
c80901f2 | 875 | void __init security_fixup_ops(struct security_operations *ops) |
5915eb53 | 876 | { |
9e48858f | 877 | set_to_cap_if_null(ops, ptrace_access_check); |
5cd9c58f | 878 | set_to_cap_if_null(ops, ptrace_traceme); |
5915eb53 | 879 | set_to_cap_if_null(ops, capget); |
d84f4f99 | 880 | set_to_cap_if_null(ops, capset); |
5915eb53 MS |
881 | set_to_cap_if_null(ops, capable); |
882 | set_to_cap_if_null(ops, quotactl); | |
883 | set_to_cap_if_null(ops, quota_on); | |
5915eb53 MS |
884 | set_to_cap_if_null(ops, syslog); |
885 | set_to_cap_if_null(ops, settime); | |
886 | set_to_cap_if_null(ops, vm_enough_memory); | |
a6f76f23 DH |
887 | set_to_cap_if_null(ops, bprm_set_creds); |
888 | set_to_cap_if_null(ops, bprm_committing_creds); | |
889 | set_to_cap_if_null(ops, bprm_committed_creds); | |
5915eb53 MS |
890 | set_to_cap_if_null(ops, bprm_check_security); |
891 | set_to_cap_if_null(ops, bprm_secureexec); | |
892 | set_to_cap_if_null(ops, sb_alloc_security); | |
893 | set_to_cap_if_null(ops, sb_free_security); | |
894 | set_to_cap_if_null(ops, sb_copy_data); | |
ff36fe2c | 895 | set_to_cap_if_null(ops, sb_remount); |
5915eb53 MS |
896 | set_to_cap_if_null(ops, sb_kern_mount); |
897 | set_to_cap_if_null(ops, sb_show_options); | |
898 | set_to_cap_if_null(ops, sb_statfs); | |
899 | set_to_cap_if_null(ops, sb_mount); | |
5915eb53 | 900 | set_to_cap_if_null(ops, sb_umount); |
5915eb53 | 901 | set_to_cap_if_null(ops, sb_pivotroot); |
5915eb53 MS |
902 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
903 | set_to_cap_if_null(ops, sb_clone_mnt_opts); | |
904 | set_to_cap_if_null(ops, sb_parse_opts_str); | |
905 | set_to_cap_if_null(ops, inode_alloc_security); | |
906 | set_to_cap_if_null(ops, inode_free_security); | |
907 | set_to_cap_if_null(ops, inode_init_security); | |
908 | set_to_cap_if_null(ops, inode_create); | |
909 | set_to_cap_if_null(ops, inode_link); | |
910 | set_to_cap_if_null(ops, inode_unlink); | |
911 | set_to_cap_if_null(ops, inode_symlink); | |
912 | set_to_cap_if_null(ops, inode_mkdir); | |
913 | set_to_cap_if_null(ops, inode_rmdir); | |
914 | set_to_cap_if_null(ops, inode_mknod); | |
915 | set_to_cap_if_null(ops, inode_rename); | |
916 | set_to_cap_if_null(ops, inode_readlink); | |
917 | set_to_cap_if_null(ops, inode_follow_link); | |
918 | set_to_cap_if_null(ops, inode_permission); | |
919 | set_to_cap_if_null(ops, inode_setattr); | |
920 | set_to_cap_if_null(ops, inode_getattr); | |
5915eb53 MS |
921 | set_to_cap_if_null(ops, inode_setxattr); |
922 | set_to_cap_if_null(ops, inode_post_setxattr); | |
923 | set_to_cap_if_null(ops, inode_getxattr); | |
924 | set_to_cap_if_null(ops, inode_listxattr); | |
925 | set_to_cap_if_null(ops, inode_removexattr); | |
926 | set_to_cap_if_null(ops, inode_need_killpriv); | |
927 | set_to_cap_if_null(ops, inode_killpriv); | |
928 | set_to_cap_if_null(ops, inode_getsecurity); | |
929 | set_to_cap_if_null(ops, inode_setsecurity); | |
930 | set_to_cap_if_null(ops, inode_listsecurity); | |
931 | set_to_cap_if_null(ops, inode_getsecid); | |
be6d3e56 KT |
932 | #ifdef CONFIG_SECURITY_PATH |
933 | set_to_cap_if_null(ops, path_mknod); | |
934 | set_to_cap_if_null(ops, path_mkdir); | |
935 | set_to_cap_if_null(ops, path_rmdir); | |
936 | set_to_cap_if_null(ops, path_unlink); | |
937 | set_to_cap_if_null(ops, path_symlink); | |
938 | set_to_cap_if_null(ops, path_link); | |
939 | set_to_cap_if_null(ops, path_rename); | |
940 | set_to_cap_if_null(ops, path_truncate); | |
89eda068 TH |
941 | set_to_cap_if_null(ops, path_chmod); |
942 | set_to_cap_if_null(ops, path_chown); | |
8b8efb44 | 943 | set_to_cap_if_null(ops, path_chroot); |
be6d3e56 | 944 | #endif |
5915eb53 MS |
945 | set_to_cap_if_null(ops, file_permission); |
946 | set_to_cap_if_null(ops, file_alloc_security); | |
947 | set_to_cap_if_null(ops, file_free_security); | |
948 | set_to_cap_if_null(ops, file_ioctl); | |
949 | set_to_cap_if_null(ops, file_mmap); | |
950 | set_to_cap_if_null(ops, file_mprotect); | |
951 | set_to_cap_if_null(ops, file_lock); | |
952 | set_to_cap_if_null(ops, file_fcntl); | |
953 | set_to_cap_if_null(ops, file_set_fowner); | |
954 | set_to_cap_if_null(ops, file_send_sigiotask); | |
955 | set_to_cap_if_null(ops, file_receive); | |
956 | set_to_cap_if_null(ops, dentry_open); | |
957 | set_to_cap_if_null(ops, task_create); | |
ee18d64c | 958 | set_to_cap_if_null(ops, cred_alloc_blank); |
f1752eec | 959 | set_to_cap_if_null(ops, cred_free); |
d84f4f99 | 960 | set_to_cap_if_null(ops, cred_prepare); |
ee18d64c | 961 | set_to_cap_if_null(ops, cred_transfer); |
3a3b7ce9 DH |
962 | set_to_cap_if_null(ops, kernel_act_as); |
963 | set_to_cap_if_null(ops, kernel_create_files_as); | |
9188499c | 964 | set_to_cap_if_null(ops, kernel_module_request); |
d84f4f99 | 965 | set_to_cap_if_null(ops, task_fix_setuid); |
5915eb53 MS |
966 | set_to_cap_if_null(ops, task_setpgid); |
967 | set_to_cap_if_null(ops, task_getpgid); | |
968 | set_to_cap_if_null(ops, task_getsid); | |
969 | set_to_cap_if_null(ops, task_getsecid); | |
5915eb53 MS |
970 | set_to_cap_if_null(ops, task_setnice); |
971 | set_to_cap_if_null(ops, task_setioprio); | |
972 | set_to_cap_if_null(ops, task_getioprio); | |
973 | set_to_cap_if_null(ops, task_setrlimit); | |
974 | set_to_cap_if_null(ops, task_setscheduler); | |
975 | set_to_cap_if_null(ops, task_getscheduler); | |
976 | set_to_cap_if_null(ops, task_movememory); | |
977 | set_to_cap_if_null(ops, task_wait); | |
978 | set_to_cap_if_null(ops, task_kill); | |
979 | set_to_cap_if_null(ops, task_prctl); | |
5915eb53 MS |
980 | set_to_cap_if_null(ops, task_to_inode); |
981 | set_to_cap_if_null(ops, ipc_permission); | |
982 | set_to_cap_if_null(ops, ipc_getsecid); | |
983 | set_to_cap_if_null(ops, msg_msg_alloc_security); | |
984 | set_to_cap_if_null(ops, msg_msg_free_security); | |
985 | set_to_cap_if_null(ops, msg_queue_alloc_security); | |
986 | set_to_cap_if_null(ops, msg_queue_free_security); | |
987 | set_to_cap_if_null(ops, msg_queue_associate); | |
988 | set_to_cap_if_null(ops, msg_queue_msgctl); | |
989 | set_to_cap_if_null(ops, msg_queue_msgsnd); | |
990 | set_to_cap_if_null(ops, msg_queue_msgrcv); | |
991 | set_to_cap_if_null(ops, shm_alloc_security); | |
992 | set_to_cap_if_null(ops, shm_free_security); | |
993 | set_to_cap_if_null(ops, shm_associate); | |
994 | set_to_cap_if_null(ops, shm_shmctl); | |
995 | set_to_cap_if_null(ops, shm_shmat); | |
996 | set_to_cap_if_null(ops, sem_alloc_security); | |
997 | set_to_cap_if_null(ops, sem_free_security); | |
998 | set_to_cap_if_null(ops, sem_associate); | |
999 | set_to_cap_if_null(ops, sem_semctl); | |
1000 | set_to_cap_if_null(ops, sem_semop); | |
1001 | set_to_cap_if_null(ops, netlink_send); | |
1002 | set_to_cap_if_null(ops, netlink_recv); | |
5915eb53 MS |
1003 | set_to_cap_if_null(ops, d_instantiate); |
1004 | set_to_cap_if_null(ops, getprocattr); | |
1005 | set_to_cap_if_null(ops, setprocattr); | |
1006 | set_to_cap_if_null(ops, secid_to_secctx); | |
1007 | set_to_cap_if_null(ops, secctx_to_secid); | |
1008 | set_to_cap_if_null(ops, release_secctx); | |
1ee65e37 DQ |
1009 | set_to_cap_if_null(ops, inode_notifysecctx); |
1010 | set_to_cap_if_null(ops, inode_setsecctx); | |
1011 | set_to_cap_if_null(ops, inode_getsecctx); | |
5915eb53 MS |
1012 | #ifdef CONFIG_SECURITY_NETWORK |
1013 | set_to_cap_if_null(ops, unix_stream_connect); | |
1014 | set_to_cap_if_null(ops, unix_may_send); | |
1015 | set_to_cap_if_null(ops, socket_create); | |
1016 | set_to_cap_if_null(ops, socket_post_create); | |
1017 | set_to_cap_if_null(ops, socket_bind); | |
1018 | set_to_cap_if_null(ops, socket_connect); | |
1019 | set_to_cap_if_null(ops, socket_listen); | |
1020 | set_to_cap_if_null(ops, socket_accept); | |
5915eb53 MS |
1021 | set_to_cap_if_null(ops, socket_sendmsg); |
1022 | set_to_cap_if_null(ops, socket_recvmsg); | |
1023 | set_to_cap_if_null(ops, socket_getsockname); | |
1024 | set_to_cap_if_null(ops, socket_getpeername); | |
1025 | set_to_cap_if_null(ops, socket_setsockopt); | |
1026 | set_to_cap_if_null(ops, socket_getsockopt); | |
1027 | set_to_cap_if_null(ops, socket_shutdown); | |
1028 | set_to_cap_if_null(ops, socket_sock_rcv_skb); | |
1029 | set_to_cap_if_null(ops, socket_getpeersec_stream); | |
1030 | set_to_cap_if_null(ops, socket_getpeersec_dgram); | |
1031 | set_to_cap_if_null(ops, sk_alloc_security); | |
1032 | set_to_cap_if_null(ops, sk_free_security); | |
1033 | set_to_cap_if_null(ops, sk_clone_security); | |
1034 | set_to_cap_if_null(ops, sk_getsecid); | |
1035 | set_to_cap_if_null(ops, sock_graft); | |
1036 | set_to_cap_if_null(ops, inet_conn_request); | |
1037 | set_to_cap_if_null(ops, inet_csk_clone); | |
1038 | set_to_cap_if_null(ops, inet_conn_established); | |
2606fd1f EP |
1039 | set_to_cap_if_null(ops, secmark_relabel_packet); |
1040 | set_to_cap_if_null(ops, secmark_refcount_inc); | |
1041 | set_to_cap_if_null(ops, secmark_refcount_dec); | |
5915eb53 | 1042 | set_to_cap_if_null(ops, req_classify_flow); |
2b980dbd PM |
1043 | set_to_cap_if_null(ops, tun_dev_create); |
1044 | set_to_cap_if_null(ops, tun_dev_post_create); | |
1045 | set_to_cap_if_null(ops, tun_dev_attach); | |
5915eb53 MS |
1046 | #endif /* CONFIG_SECURITY_NETWORK */ |
1047 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1048 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); | |
1049 | set_to_cap_if_null(ops, xfrm_policy_clone_security); | |
1050 | set_to_cap_if_null(ops, xfrm_policy_free_security); | |
1051 | set_to_cap_if_null(ops, xfrm_policy_delete_security); | |
1052 | set_to_cap_if_null(ops, xfrm_state_alloc_security); | |
1053 | set_to_cap_if_null(ops, xfrm_state_free_security); | |
1054 | set_to_cap_if_null(ops, xfrm_state_delete_security); | |
1055 | set_to_cap_if_null(ops, xfrm_policy_lookup); | |
1056 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); | |
1057 | set_to_cap_if_null(ops, xfrm_decode_session); | |
1058 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1059 | #ifdef CONFIG_KEYS | |
1060 | set_to_cap_if_null(ops, key_alloc); | |
1061 | set_to_cap_if_null(ops, key_free); | |
1062 | set_to_cap_if_null(ops, key_permission); | |
1063 | set_to_cap_if_null(ops, key_getsecurity); | |
1064 | #endif /* CONFIG_KEYS */ | |
1065 | #ifdef CONFIG_AUDIT | |
1066 | set_to_cap_if_null(ops, audit_rule_init); | |
1067 | set_to_cap_if_null(ops, audit_rule_known); | |
1068 | set_to_cap_if_null(ops, audit_rule_match); | |
1069 | set_to_cap_if_null(ops, audit_rule_free); | |
1070 | #endif | |
1071 | } |