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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 | ||
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 | 237 | #ifdef CONFIG_SECURITY_PATH |
04fc66e7 | 238 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
be6d3e56 KT |
239 | unsigned int dev) |
240 | { | |
241 | return 0; | |
242 | } | |
243 | ||
4572befe | 244 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
be6d3e56 KT |
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 | 281 | |
cdcf116d | 282 | static int cap_path_chmod(struct path *path, umode_t mode) |
89eda068 TH |
283 | { |
284 | return 0; | |
285 | } | |
286 | ||
d2b31ca6 | 287 | static int cap_path_chown(struct path *path, kuid_t uid, kgid_t gid) |
89eda068 TH |
288 | { |
289 | return 0; | |
290 | } | |
8b8efb44 TH |
291 | |
292 | static int cap_path_chroot(struct path *root) | |
293 | { | |
294 | return 0; | |
295 | } | |
be6d3e56 KT |
296 | #endif |
297 | ||
5915eb53 MS |
298 | static int cap_file_permission(struct file *file, int mask) |
299 | { | |
300 | return 0; | |
301 | } | |
302 | ||
303 | static int cap_file_alloc_security(struct file *file) | |
304 | { | |
305 | return 0; | |
306 | } | |
307 | ||
308 | static void cap_file_free_security(struct file *file) | |
309 | { | |
310 | } | |
311 | ||
312 | static int cap_file_ioctl(struct file *file, unsigned int command, | |
313 | unsigned long arg) | |
314 | { | |
315 | return 0; | |
316 | } | |
317 | ||
5915eb53 MS |
318 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
319 | unsigned long prot) | |
320 | { | |
321 | return 0; | |
322 | } | |
323 | ||
324 | static int cap_file_lock(struct file *file, unsigned int cmd) | |
325 | { | |
326 | return 0; | |
327 | } | |
328 | ||
329 | static int cap_file_fcntl(struct file *file, unsigned int cmd, | |
330 | unsigned long arg) | |
331 | { | |
332 | return 0; | |
333 | } | |
334 | ||
335 | static int cap_file_set_fowner(struct file *file) | |
336 | { | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int cap_file_send_sigiotask(struct task_struct *tsk, | |
341 | struct fown_struct *fown, int sig) | |
342 | { | |
343 | return 0; | |
344 | } | |
345 | ||
346 | static int cap_file_receive(struct file *file) | |
347 | { | |
348 | return 0; | |
349 | } | |
350 | ||
83d49856 | 351 | static int cap_file_open(struct file *file, const struct cred *cred) |
5915eb53 MS |
352 | { |
353 | return 0; | |
354 | } | |
355 | ||
356 | static int cap_task_create(unsigned long clone_flags) | |
357 | { | |
358 | return 0; | |
359 | } | |
360 | ||
1a2a4d06 KC |
361 | static void cap_task_free(struct task_struct *task) |
362 | { | |
363 | } | |
364 | ||
ee18d64c DH |
365 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
366 | { | |
367 | return 0; | |
368 | } | |
369 | ||
d84f4f99 DH |
370 | static void cap_cred_free(struct cred *cred) |
371 | { | |
372 | } | |
373 | ||
374 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) | |
5915eb53 MS |
375 | { |
376 | return 0; | |
377 | } | |
378 | ||
ee18d64c DH |
379 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
380 | { | |
381 | } | |
382 | ||
3a3b7ce9 DH |
383 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
384 | { | |
385 | return 0; | |
386 | } | |
387 | ||
388 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) | |
389 | { | |
390 | return 0; | |
391 | } | |
392 | ||
dd8dbf2e | 393 | static int cap_kernel_module_request(char *kmod_name) |
9188499c EP |
394 | { |
395 | return 0; | |
396 | } | |
397 | ||
5915eb53 MS |
398 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
399 | { | |
400 | return 0; | |
401 | } | |
1da177e4 | 402 | |
5915eb53 | 403 | static int cap_task_getpgid(struct task_struct *p) |
1da177e4 | 404 | { |
1da177e4 LT |
405 | return 0; |
406 | } | |
407 | ||
5915eb53 MS |
408 | static int cap_task_getsid(struct task_struct *p) |
409 | { | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) | |
414 | { | |
415 | *secid = 0; | |
416 | } | |
417 | ||
5915eb53 MS |
418 | static int cap_task_getioprio(struct task_struct *p) |
419 | { | |
420 | return 0; | |
421 | } | |
422 | ||
8fd00b4d JS |
423 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource, |
424 | struct rlimit *new_rlim) | |
5915eb53 MS |
425 | { |
426 | return 0; | |
427 | } | |
428 | ||
429 | static int cap_task_getscheduler(struct task_struct *p) | |
430 | { | |
431 | return 0; | |
432 | } | |
433 | ||
434 | static int cap_task_movememory(struct task_struct *p) | |
435 | { | |
436 | return 0; | |
437 | } | |
438 | ||
439 | static int cap_task_wait(struct task_struct *p) | |
440 | { | |
441 | return 0; | |
442 | } | |
443 | ||
444 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, | |
445 | int sig, u32 secid) | |
446 | { | |
447 | return 0; | |
448 | } | |
449 | ||
450 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) | |
451 | { | |
452 | } | |
453 | ||
454 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
455 | { | |
456 | return 0; | |
457 | } | |
458 | ||
459 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |
460 | { | |
461 | *secid = 0; | |
462 | } | |
463 | ||
464 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) | |
465 | { | |
466 | return 0; | |
467 | } | |
468 | ||
469 | static void cap_msg_msg_free_security(struct msg_msg *msg) | |
470 | { | |
471 | } | |
472 | ||
473 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) | |
474 | { | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static void cap_msg_queue_free_security(struct msg_queue *msq) | |
479 | { | |
480 | } | |
481 | ||
482 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
483 | { | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
488 | { | |
489 | return 0; | |
490 | } | |
491 | ||
492 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, | |
493 | int msgflg) | |
494 | { | |
495 | return 0; | |
496 | } | |
497 | ||
498 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
499 | struct task_struct *target, long type, int mode) | |
500 | { | |
501 | return 0; | |
502 | } | |
503 | ||
504 | static int cap_shm_alloc_security(struct shmid_kernel *shp) | |
505 | { | |
506 | return 0; | |
507 | } | |
508 | ||
509 | static void cap_shm_free_security(struct shmid_kernel *shp) | |
510 | { | |
511 | } | |
512 | ||
513 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) | |
514 | { | |
515 | return 0; | |
516 | } | |
517 | ||
518 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
519 | { | |
520 | return 0; | |
521 | } | |
522 | ||
523 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, | |
524 | int shmflg) | |
525 | { | |
526 | return 0; | |
527 | } | |
528 | ||
529 | static int cap_sem_alloc_security(struct sem_array *sma) | |
530 | { | |
531 | return 0; | |
532 | } | |
533 | ||
534 | static void cap_sem_free_security(struct sem_array *sma) | |
535 | { | |
536 | } | |
537 | ||
538 | static int cap_sem_associate(struct sem_array *sma, int semflg) | |
539 | { | |
540 | return 0; | |
541 | } | |
542 | ||
543 | static int cap_sem_semctl(struct sem_array *sma, int cmd) | |
544 | { | |
545 | return 0; | |
546 | } | |
547 | ||
548 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
549 | unsigned nsops, int alter) | |
550 | { | |
551 | return 0; | |
552 | } | |
553 | ||
554 | #ifdef CONFIG_SECURITY_NETWORK | |
3610cda5 | 555 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other, |
5915eb53 MS |
556 | struct sock *newsk) |
557 | { | |
558 | return 0; | |
559 | } | |
560 | ||
561 | static int cap_unix_may_send(struct socket *sock, struct socket *other) | |
562 | { | |
563 | return 0; | |
564 | } | |
565 | ||
566 | static int cap_socket_create(int family, int type, int protocol, int kern) | |
567 | { | |
568 | return 0; | |
569 | } | |
570 | ||
571 | static int cap_socket_post_create(struct socket *sock, int family, int type, | |
572 | int protocol, int kern) | |
573 | { | |
574 | return 0; | |
575 | } | |
576 | ||
577 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, | |
578 | int addrlen) | |
579 | { | |
580 | return 0; | |
581 | } | |
582 | ||
583 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, | |
584 | int addrlen) | |
585 | { | |
586 | return 0; | |
587 | } | |
588 | ||
589 | static int cap_socket_listen(struct socket *sock, int backlog) | |
590 | { | |
591 | return 0; | |
592 | } | |
593 | ||
594 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) | |
595 | { | |
596 | return 0; | |
597 | } | |
598 | ||
5915eb53 MS |
599 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
600 | { | |
601 | return 0; | |
602 | } | |
603 | ||
604 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
605 | int size, int flags) | |
606 | { | |
607 | return 0; | |
608 | } | |
609 | ||
610 | static int cap_socket_getsockname(struct socket *sock) | |
611 | { | |
612 | return 0; | |
613 | } | |
614 | ||
615 | static int cap_socket_getpeername(struct socket *sock) | |
616 | { | |
617 | return 0; | |
618 | } | |
619 | ||
620 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) | |
621 | { | |
622 | return 0; | |
623 | } | |
624 | ||
625 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) | |
626 | { | |
627 | return 0; | |
628 | } | |
629 | ||
630 | static int cap_socket_shutdown(struct socket *sock, int how) | |
631 | { | |
632 | return 0; | |
633 | } | |
634 | ||
635 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
636 | { | |
637 | return 0; | |
638 | } | |
639 | ||
640 | static int cap_socket_getpeersec_stream(struct socket *sock, | |
641 | char __user *optval, | |
642 | int __user *optlen, unsigned len) | |
643 | { | |
644 | return -ENOPROTOOPT; | |
645 | } | |
646 | ||
647 | static int cap_socket_getpeersec_dgram(struct socket *sock, | |
648 | struct sk_buff *skb, u32 *secid) | |
649 | { | |
650 | return -ENOPROTOOPT; | |
651 | } | |
652 | ||
653 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) | |
654 | { | |
655 | return 0; | |
656 | } | |
657 | ||
658 | static void cap_sk_free_security(struct sock *sk) | |
659 | { | |
660 | } | |
661 | ||
662 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) | |
663 | { | |
664 | } | |
665 | ||
666 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) | |
667 | { | |
668 | } | |
669 | ||
670 | static void cap_sock_graft(struct sock *sk, struct socket *parent) | |
671 | { | |
672 | } | |
673 | ||
674 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, | |
675 | struct request_sock *req) | |
676 | { | |
677 | return 0; | |
678 | } | |
679 | ||
680 | static void cap_inet_csk_clone(struct sock *newsk, | |
681 | const struct request_sock *req) | |
682 | { | |
683 | } | |
684 | ||
685 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) | |
686 | { | |
687 | } | |
688 | ||
2606fd1f EP |
689 | static int cap_secmark_relabel_packet(u32 secid) |
690 | { | |
691 | return 0; | |
692 | } | |
2b980dbd | 693 | |
2606fd1f EP |
694 | static void cap_secmark_refcount_inc(void) |
695 | { | |
696 | } | |
697 | ||
698 | static void cap_secmark_refcount_dec(void) | |
699 | { | |
700 | } | |
2b980dbd | 701 | |
5915eb53 MS |
702 | static void cap_req_classify_flow(const struct request_sock *req, |
703 | struct flowi *fl) | |
704 | { | |
705 | } | |
2b980dbd PM |
706 | |
707 | static int cap_tun_dev_create(void) | |
708 | { | |
709 | return 0; | |
710 | } | |
711 | ||
712 | static void cap_tun_dev_post_create(struct sock *sk) | |
713 | { | |
714 | } | |
715 | ||
716 | static int cap_tun_dev_attach(struct sock *sk) | |
717 | { | |
718 | return 0; | |
719 | } | |
5915eb53 MS |
720 | #endif /* CONFIG_SECURITY_NETWORK */ |
721 | ||
722 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
723 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, | |
724 | struct xfrm_user_sec_ctx *sec_ctx) | |
725 | { | |
726 | return 0; | |
727 | } | |
728 | ||
729 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, | |
730 | struct xfrm_sec_ctx **new_ctxp) | |
731 | { | |
732 | return 0; | |
733 | } | |
734 | ||
735 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) | |
736 | { | |
737 | } | |
738 | ||
739 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) | |
740 | { | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int cap_xfrm_state_alloc_security(struct xfrm_state *x, | |
745 | struct xfrm_user_sec_ctx *sec_ctx, | |
746 | u32 secid) | |
747 | { | |
748 | return 0; | |
749 | } | |
750 | ||
751 | static void cap_xfrm_state_free_security(struct xfrm_state *x) | |
752 | { | |
753 | } | |
754 | ||
755 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) | |
756 | { | |
757 | return 0; | |
758 | } | |
759 | ||
760 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) | |
761 | { | |
762 | return 0; | |
763 | } | |
764 | ||
765 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
766 | struct xfrm_policy *xp, | |
e33f7704 | 767 | const struct flowi *fl) |
5915eb53 MS |
768 | { |
769 | return 1; | |
770 | } | |
771 | ||
772 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) | |
773 | { | |
774 | return 0; | |
775 | } | |
776 | ||
777 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
5915eb53 MS |
778 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
779 | { | |
780 | } | |
781 | ||
782 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) | |
783 | { | |
784 | return -EINVAL; | |
785 | } | |
786 | ||
787 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, | |
788 | size_t size) | |
789 | { | |
790 | return -EINVAL; | |
791 | } | |
792 | ||
793 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
794 | { | |
795 | return -EOPNOTSUPP; | |
796 | } | |
797 | ||
798 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) | |
799 | { | |
2606fd1f EP |
800 | *secid = 0; |
801 | return 0; | |
5915eb53 MS |
802 | } |
803 | ||
804 | static void cap_release_secctx(char *secdata, u32 seclen) | |
805 | { | |
806 | } | |
807 | ||
1ee65e37 DQ |
808 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
809 | { | |
810 | return 0; | |
811 | } | |
812 | ||
813 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) | |
814 | { | |
815 | return 0; | |
816 | } | |
817 | ||
818 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) | |
819 | { | |
820 | return 0; | |
821 | } | |
5915eb53 | 822 | #ifdef CONFIG_KEYS |
d84f4f99 | 823 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
5915eb53 MS |
824 | unsigned long flags) |
825 | { | |
826 | return 0; | |
827 | } | |
828 | ||
829 | static void cap_key_free(struct key *key) | |
830 | { | |
831 | } | |
832 | ||
d84f4f99 | 833 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
5915eb53 MS |
834 | key_perm_t perm) |
835 | { | |
836 | return 0; | |
837 | } | |
838 | ||
839 | static int cap_key_getsecurity(struct key *key, char **_buffer) | |
840 | { | |
841 | *_buffer = NULL; | |
842 | return 0; | |
843 | } | |
844 | ||
845 | #endif /* CONFIG_KEYS */ | |
846 | ||
847 | #ifdef CONFIG_AUDIT | |
848 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
849 | { | |
850 | return 0; | |
851 | } | |
852 | ||
853 | static int cap_audit_rule_known(struct audit_krule *krule) | |
854 | { | |
855 | return 0; | |
856 | } | |
857 | ||
858 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
859 | struct audit_context *actx) | |
860 | { | |
861 | return 0; | |
862 | } | |
863 | ||
864 | static void cap_audit_rule_free(void *lsmrule) | |
865 | { | |
866 | } | |
867 | #endif /* CONFIG_AUDIT */ | |
868 | ||
5915eb53 MS |
869 | #define set_to_cap_if_null(ops, function) \ |
870 | do { \ | |
871 | if (!ops->function) { \ | |
872 | ops->function = cap_##function; \ | |
873 | pr_debug("Had to override the " #function \ | |
874 | " security operation with the default.\n");\ | |
875 | } \ | |
876 | } while (0) | |
877 | ||
c80901f2 | 878 | void __init security_fixup_ops(struct security_operations *ops) |
5915eb53 | 879 | { |
9e48858f | 880 | set_to_cap_if_null(ops, ptrace_access_check); |
5cd9c58f | 881 | set_to_cap_if_null(ops, ptrace_traceme); |
5915eb53 | 882 | set_to_cap_if_null(ops, capget); |
d84f4f99 | 883 | set_to_cap_if_null(ops, capset); |
5915eb53 MS |
884 | set_to_cap_if_null(ops, capable); |
885 | set_to_cap_if_null(ops, quotactl); | |
886 | set_to_cap_if_null(ops, quota_on); | |
5915eb53 MS |
887 | set_to_cap_if_null(ops, syslog); |
888 | set_to_cap_if_null(ops, settime); | |
889 | set_to_cap_if_null(ops, vm_enough_memory); | |
a6f76f23 DH |
890 | set_to_cap_if_null(ops, bprm_set_creds); |
891 | set_to_cap_if_null(ops, bprm_committing_creds); | |
892 | set_to_cap_if_null(ops, bprm_committed_creds); | |
5915eb53 MS |
893 | set_to_cap_if_null(ops, bprm_check_security); |
894 | set_to_cap_if_null(ops, bprm_secureexec); | |
895 | set_to_cap_if_null(ops, sb_alloc_security); | |
896 | set_to_cap_if_null(ops, sb_free_security); | |
897 | set_to_cap_if_null(ops, sb_copy_data); | |
ff36fe2c | 898 | set_to_cap_if_null(ops, sb_remount); |
5915eb53 MS |
899 | set_to_cap_if_null(ops, sb_kern_mount); |
900 | set_to_cap_if_null(ops, sb_show_options); | |
901 | set_to_cap_if_null(ops, sb_statfs); | |
902 | set_to_cap_if_null(ops, sb_mount); | |
5915eb53 | 903 | set_to_cap_if_null(ops, sb_umount); |
5915eb53 | 904 | set_to_cap_if_null(ops, sb_pivotroot); |
5915eb53 MS |
905 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
906 | set_to_cap_if_null(ops, sb_clone_mnt_opts); | |
907 | set_to_cap_if_null(ops, sb_parse_opts_str); | |
908 | set_to_cap_if_null(ops, inode_alloc_security); | |
909 | set_to_cap_if_null(ops, inode_free_security); | |
910 | set_to_cap_if_null(ops, inode_init_security); | |
911 | set_to_cap_if_null(ops, inode_create); | |
912 | set_to_cap_if_null(ops, inode_link); | |
913 | set_to_cap_if_null(ops, inode_unlink); | |
914 | set_to_cap_if_null(ops, inode_symlink); | |
915 | set_to_cap_if_null(ops, inode_mkdir); | |
916 | set_to_cap_if_null(ops, inode_rmdir); | |
917 | set_to_cap_if_null(ops, inode_mknod); | |
918 | set_to_cap_if_null(ops, inode_rename); | |
919 | set_to_cap_if_null(ops, inode_readlink); | |
920 | set_to_cap_if_null(ops, inode_follow_link); | |
921 | set_to_cap_if_null(ops, inode_permission); | |
922 | set_to_cap_if_null(ops, inode_setattr); | |
923 | set_to_cap_if_null(ops, inode_getattr); | |
5915eb53 MS |
924 | set_to_cap_if_null(ops, inode_setxattr); |
925 | set_to_cap_if_null(ops, inode_post_setxattr); | |
926 | set_to_cap_if_null(ops, inode_getxattr); | |
927 | set_to_cap_if_null(ops, inode_listxattr); | |
928 | set_to_cap_if_null(ops, inode_removexattr); | |
929 | set_to_cap_if_null(ops, inode_need_killpriv); | |
930 | set_to_cap_if_null(ops, inode_killpriv); | |
931 | set_to_cap_if_null(ops, inode_getsecurity); | |
932 | set_to_cap_if_null(ops, inode_setsecurity); | |
933 | set_to_cap_if_null(ops, inode_listsecurity); | |
934 | set_to_cap_if_null(ops, inode_getsecid); | |
be6d3e56 KT |
935 | #ifdef CONFIG_SECURITY_PATH |
936 | set_to_cap_if_null(ops, path_mknod); | |
937 | set_to_cap_if_null(ops, path_mkdir); | |
938 | set_to_cap_if_null(ops, path_rmdir); | |
939 | set_to_cap_if_null(ops, path_unlink); | |
940 | set_to_cap_if_null(ops, path_symlink); | |
941 | set_to_cap_if_null(ops, path_link); | |
942 | set_to_cap_if_null(ops, path_rename); | |
943 | set_to_cap_if_null(ops, path_truncate); | |
89eda068 TH |
944 | set_to_cap_if_null(ops, path_chmod); |
945 | set_to_cap_if_null(ops, path_chown); | |
8b8efb44 | 946 | set_to_cap_if_null(ops, path_chroot); |
be6d3e56 | 947 | #endif |
5915eb53 MS |
948 | set_to_cap_if_null(ops, file_permission); |
949 | set_to_cap_if_null(ops, file_alloc_security); | |
950 | set_to_cap_if_null(ops, file_free_security); | |
951 | set_to_cap_if_null(ops, file_ioctl); | |
e5467859 AV |
952 | set_to_cap_if_null(ops, mmap_addr); |
953 | set_to_cap_if_null(ops, mmap_file); | |
5915eb53 MS |
954 | set_to_cap_if_null(ops, file_mprotect); |
955 | set_to_cap_if_null(ops, file_lock); | |
956 | set_to_cap_if_null(ops, file_fcntl); | |
957 | set_to_cap_if_null(ops, file_set_fowner); | |
958 | set_to_cap_if_null(ops, file_send_sigiotask); | |
959 | set_to_cap_if_null(ops, file_receive); | |
83d49856 | 960 | set_to_cap_if_null(ops, file_open); |
5915eb53 | 961 | set_to_cap_if_null(ops, task_create); |
1a2a4d06 | 962 | set_to_cap_if_null(ops, task_free); |
ee18d64c | 963 | set_to_cap_if_null(ops, cred_alloc_blank); |
f1752eec | 964 | set_to_cap_if_null(ops, cred_free); |
d84f4f99 | 965 | set_to_cap_if_null(ops, cred_prepare); |
ee18d64c | 966 | set_to_cap_if_null(ops, cred_transfer); |
3a3b7ce9 DH |
967 | set_to_cap_if_null(ops, kernel_act_as); |
968 | set_to_cap_if_null(ops, kernel_create_files_as); | |
9188499c | 969 | set_to_cap_if_null(ops, kernel_module_request); |
d84f4f99 | 970 | set_to_cap_if_null(ops, task_fix_setuid); |
5915eb53 MS |
971 | set_to_cap_if_null(ops, task_setpgid); |
972 | set_to_cap_if_null(ops, task_getpgid); | |
973 | set_to_cap_if_null(ops, task_getsid); | |
974 | set_to_cap_if_null(ops, task_getsecid); | |
5915eb53 MS |
975 | set_to_cap_if_null(ops, task_setnice); |
976 | set_to_cap_if_null(ops, task_setioprio); | |
977 | set_to_cap_if_null(ops, task_getioprio); | |
978 | set_to_cap_if_null(ops, task_setrlimit); | |
979 | set_to_cap_if_null(ops, task_setscheduler); | |
980 | set_to_cap_if_null(ops, task_getscheduler); | |
981 | set_to_cap_if_null(ops, task_movememory); | |
982 | set_to_cap_if_null(ops, task_wait); | |
983 | set_to_cap_if_null(ops, task_kill); | |
984 | set_to_cap_if_null(ops, task_prctl); | |
5915eb53 MS |
985 | set_to_cap_if_null(ops, task_to_inode); |
986 | set_to_cap_if_null(ops, ipc_permission); | |
987 | set_to_cap_if_null(ops, ipc_getsecid); | |
988 | set_to_cap_if_null(ops, msg_msg_alloc_security); | |
989 | set_to_cap_if_null(ops, msg_msg_free_security); | |
990 | set_to_cap_if_null(ops, msg_queue_alloc_security); | |
991 | set_to_cap_if_null(ops, msg_queue_free_security); | |
992 | set_to_cap_if_null(ops, msg_queue_associate); | |
993 | set_to_cap_if_null(ops, msg_queue_msgctl); | |
994 | set_to_cap_if_null(ops, msg_queue_msgsnd); | |
995 | set_to_cap_if_null(ops, msg_queue_msgrcv); | |
996 | set_to_cap_if_null(ops, shm_alloc_security); | |
997 | set_to_cap_if_null(ops, shm_free_security); | |
998 | set_to_cap_if_null(ops, shm_associate); | |
999 | set_to_cap_if_null(ops, shm_shmctl); | |
1000 | set_to_cap_if_null(ops, shm_shmat); | |
1001 | set_to_cap_if_null(ops, sem_alloc_security); | |
1002 | set_to_cap_if_null(ops, sem_free_security); | |
1003 | set_to_cap_if_null(ops, sem_associate); | |
1004 | set_to_cap_if_null(ops, sem_semctl); | |
1005 | set_to_cap_if_null(ops, sem_semop); | |
1006 | set_to_cap_if_null(ops, netlink_send); | |
5915eb53 MS |
1007 | set_to_cap_if_null(ops, d_instantiate); |
1008 | set_to_cap_if_null(ops, getprocattr); | |
1009 | set_to_cap_if_null(ops, setprocattr); | |
1010 | set_to_cap_if_null(ops, secid_to_secctx); | |
1011 | set_to_cap_if_null(ops, secctx_to_secid); | |
1012 | set_to_cap_if_null(ops, release_secctx); | |
1ee65e37 DQ |
1013 | set_to_cap_if_null(ops, inode_notifysecctx); |
1014 | set_to_cap_if_null(ops, inode_setsecctx); | |
1015 | set_to_cap_if_null(ops, inode_getsecctx); | |
5915eb53 MS |
1016 | #ifdef CONFIG_SECURITY_NETWORK |
1017 | set_to_cap_if_null(ops, unix_stream_connect); | |
1018 | set_to_cap_if_null(ops, unix_may_send); | |
1019 | set_to_cap_if_null(ops, socket_create); | |
1020 | set_to_cap_if_null(ops, socket_post_create); | |
1021 | set_to_cap_if_null(ops, socket_bind); | |
1022 | set_to_cap_if_null(ops, socket_connect); | |
1023 | set_to_cap_if_null(ops, socket_listen); | |
1024 | set_to_cap_if_null(ops, socket_accept); | |
5915eb53 MS |
1025 | set_to_cap_if_null(ops, socket_sendmsg); |
1026 | set_to_cap_if_null(ops, socket_recvmsg); | |
1027 | set_to_cap_if_null(ops, socket_getsockname); | |
1028 | set_to_cap_if_null(ops, socket_getpeername); | |
1029 | set_to_cap_if_null(ops, socket_setsockopt); | |
1030 | set_to_cap_if_null(ops, socket_getsockopt); | |
1031 | set_to_cap_if_null(ops, socket_shutdown); | |
1032 | set_to_cap_if_null(ops, socket_sock_rcv_skb); | |
1033 | set_to_cap_if_null(ops, socket_getpeersec_stream); | |
1034 | set_to_cap_if_null(ops, socket_getpeersec_dgram); | |
1035 | set_to_cap_if_null(ops, sk_alloc_security); | |
1036 | set_to_cap_if_null(ops, sk_free_security); | |
1037 | set_to_cap_if_null(ops, sk_clone_security); | |
1038 | set_to_cap_if_null(ops, sk_getsecid); | |
1039 | set_to_cap_if_null(ops, sock_graft); | |
1040 | set_to_cap_if_null(ops, inet_conn_request); | |
1041 | set_to_cap_if_null(ops, inet_csk_clone); | |
1042 | set_to_cap_if_null(ops, inet_conn_established); | |
2606fd1f EP |
1043 | set_to_cap_if_null(ops, secmark_relabel_packet); |
1044 | set_to_cap_if_null(ops, secmark_refcount_inc); | |
1045 | set_to_cap_if_null(ops, secmark_refcount_dec); | |
5915eb53 | 1046 | set_to_cap_if_null(ops, req_classify_flow); |
2b980dbd PM |
1047 | set_to_cap_if_null(ops, tun_dev_create); |
1048 | set_to_cap_if_null(ops, tun_dev_post_create); | |
1049 | set_to_cap_if_null(ops, tun_dev_attach); | |
5915eb53 MS |
1050 | #endif /* CONFIG_SECURITY_NETWORK */ |
1051 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
1052 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); | |
1053 | set_to_cap_if_null(ops, xfrm_policy_clone_security); | |
1054 | set_to_cap_if_null(ops, xfrm_policy_free_security); | |
1055 | set_to_cap_if_null(ops, xfrm_policy_delete_security); | |
1056 | set_to_cap_if_null(ops, xfrm_state_alloc_security); | |
1057 | set_to_cap_if_null(ops, xfrm_state_free_security); | |
1058 | set_to_cap_if_null(ops, xfrm_state_delete_security); | |
1059 | set_to_cap_if_null(ops, xfrm_policy_lookup); | |
1060 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); | |
1061 | set_to_cap_if_null(ops, xfrm_decode_session); | |
1062 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
1063 | #ifdef CONFIG_KEYS | |
1064 | set_to_cap_if_null(ops, key_alloc); | |
1065 | set_to_cap_if_null(ops, key_free); | |
1066 | set_to_cap_if_null(ops, key_permission); | |
1067 | set_to_cap_if_null(ops, key_getsecurity); | |
1068 | #endif /* CONFIG_KEYS */ | |
1069 | #ifdef CONFIG_AUDIT | |
1070 | set_to_cap_if_null(ops, audit_rule_init); | |
1071 | set_to_cap_if_null(ops, audit_rule_known); | |
1072 | set_to_cap_if_null(ops, audit_rule_match); | |
1073 | set_to_cap_if_null(ops, audit_rule_free); | |
1074 | #endif | |
1075 | } |