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