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 | |
5915eb53 MS |
15 | static int cap_acct(struct file *file) |
16 | { | |
17 | return 0; | |
18 | } | |
19 | ||
20 | static int cap_sysctl(ctl_table *table, int op) | |
21 | { | |
22 | return 0; | |
23 | } | |
24 | ||
25 | static int cap_quotactl(int cmds, int type, int id, struct super_block *sb) | |
26 | { | |
27 | return 0; | |
28 | } | |
29 | ||
30 | static int cap_quota_on(struct dentry *dentry) | |
31 | { | |
32 | return 0; | |
33 | } | |
34 | ||
35 | static int cap_bprm_alloc_security(struct linux_binprm *bprm) | |
36 | { | |
37 | return 0; | |
38 | } | |
39 | ||
40 | static void cap_bprm_free_security(struct linux_binprm *bprm) | |
41 | { | |
42 | } | |
43 | ||
44 | static void cap_bprm_post_apply_creds(struct linux_binprm *bprm) | |
45 | { | |
46 | } | |
47 | ||
48 | static int cap_bprm_check_security(struct linux_binprm *bprm) | |
49 | { | |
50 | return 0; | |
51 | } | |
52 | ||
53 | static int cap_sb_alloc_security(struct super_block *sb) | |
54 | { | |
55 | return 0; | |
56 | } | |
57 | ||
58 | static void cap_sb_free_security(struct super_block *sb) | |
59 | { | |
60 | } | |
61 | ||
62 | static int cap_sb_copy_data(char *orig, char *copy) | |
63 | { | |
64 | return 0; | |
65 | } | |
66 | ||
67 | static int cap_sb_kern_mount(struct super_block *sb, void *data) | |
68 | { | |
69 | return 0; | |
70 | } | |
71 | ||
72 | static int cap_sb_show_options(struct seq_file *m, struct super_block *sb) | |
73 | { | |
74 | return 0; | |
75 | } | |
76 | ||
77 | static int cap_sb_statfs(struct dentry *dentry) | |
78 | { | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static int cap_sb_mount(char *dev_name, struct path *path, char *type, | |
83 | unsigned long flags, void *data) | |
84 | { | |
85 | return 0; | |
86 | } | |
87 | ||
88 | static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path) | |
89 | { | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static int cap_sb_umount(struct vfsmount *mnt, int flags) | |
94 | { | |
95 | return 0; | |
96 | } | |
97 | ||
98 | static void cap_sb_umount_close(struct vfsmount *mnt) | |
99 | { | |
100 | } | |
101 | ||
102 | static void cap_sb_umount_busy(struct vfsmount *mnt) | |
103 | { | |
104 | } | |
105 | ||
106 | static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags, | |
107 | void *data) | |
108 | { | |
109 | } | |
110 | ||
111 | static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path) | |
112 | { | |
113 | } | |
114 | ||
115 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path) | |
116 | { | |
117 | return 0; | |
118 | } | |
119 | ||
120 | static void cap_sb_post_pivotroot(struct path *old_path, struct path *new_path) | |
121 | { | |
122 | } | |
123 | ||
124 | static int cap_sb_set_mnt_opts(struct super_block *sb, | |
125 | struct security_mnt_opts *opts) | |
126 | { | |
127 | if (unlikely(opts->num_mnt_opts)) | |
128 | return -EOPNOTSUPP; | |
129 | return 0; | |
130 | } | |
131 | ||
132 | static void cap_sb_clone_mnt_opts(const struct super_block *oldsb, | |
133 | struct super_block *newsb) | |
134 | { | |
135 | } | |
136 | ||
137 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
138 | { | |
139 | return 0; | |
140 | } | |
141 | ||
142 | static int cap_inode_alloc_security(struct inode *inode) | |
143 | { | |
144 | return 0; | |
145 | } | |
146 | ||
147 | static void cap_inode_free_security(struct inode *inode) | |
148 | { | |
149 | } | |
150 | ||
151 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, | |
152 | char **name, void **value, size_t *len) | |
153 | { | |
154 | return -EOPNOTSUPP; | |
155 | } | |
156 | ||
157 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, | |
158 | int mask) | |
159 | { | |
160 | return 0; | |
161 | } | |
162 | ||
163 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, | |
164 | struct dentry *new_dentry) | |
165 | { | |
166 | return 0; | |
167 | } | |
168 | ||
169 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) | |
170 | { | |
171 | return 0; | |
172 | } | |
173 | ||
174 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, | |
175 | const char *name) | |
176 | { | |
177 | return 0; | |
178 | } | |
179 | ||
180 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, | |
181 | int mask) | |
182 | { | |
183 | return 0; | |
184 | } | |
185 | ||
186 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) | |
187 | { | |
188 | return 0; | |
189 | } | |
190 | ||
191 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, | |
192 | int mode, dev_t dev) | |
193 | { | |
194 | return 0; | |
195 | } | |
196 | ||
197 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, | |
198 | struct inode *new_inode, struct dentry *new_dentry) | |
199 | { | |
200 | return 0; | |
201 | } | |
202 | ||
203 | static int cap_inode_readlink(struct dentry *dentry) | |
204 | { | |
205 | return 0; | |
206 | } | |
207 | ||
208 | static int cap_inode_follow_link(struct dentry *dentry, | |
209 | struct nameidata *nameidata) | |
210 | { | |
211 | return 0; | |
212 | } | |
213 | ||
214 | static int cap_inode_permission(struct inode *inode, int mask, | |
215 | struct nameidata *nd) | |
216 | { | |
217 | return 0; | |
218 | } | |
219 | ||
220 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) | |
221 | { | |
222 | return 0; | |
223 | } | |
224 | ||
225 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) | |
226 | { | |
227 | return 0; | |
228 | } | |
229 | ||
230 | static void cap_inode_delete(struct inode *ino) | |
231 | { | |
232 | } | |
233 | ||
234 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, | |
235 | const void *value, size_t size, int flags) | |
236 | { | |
237 | } | |
238 | ||
239 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) | |
240 | { | |
241 | return 0; | |
242 | } | |
243 | ||
244 | static int cap_inode_listxattr(struct dentry *dentry) | |
245 | { | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, | |
250 | void **buffer, bool alloc) | |
251 | { | |
252 | return -EOPNOTSUPP; | |
253 | } | |
254 | ||
255 | static int cap_inode_setsecurity(struct inode *inode, const char *name, | |
256 | const void *value, size_t size, int flags) | |
257 | { | |
258 | return -EOPNOTSUPP; | |
259 | } | |
260 | ||
261 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, | |
262 | size_t buffer_size) | |
263 | { | |
264 | return 0; | |
265 | } | |
266 | ||
267 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) | |
268 | { | |
269 | *secid = 0; | |
270 | } | |
271 | ||
272 | static int cap_file_permission(struct file *file, int mask) | |
273 | { | |
274 | return 0; | |
275 | } | |
276 | ||
277 | static int cap_file_alloc_security(struct file *file) | |
278 | { | |
279 | return 0; | |
280 | } | |
281 | ||
282 | static void cap_file_free_security(struct file *file) | |
283 | { | |
284 | } | |
285 | ||
286 | static int cap_file_ioctl(struct file *file, unsigned int command, | |
287 | unsigned long arg) | |
288 | { | |
289 | return 0; | |
290 | } | |
291 | ||
292 | static int cap_file_mmap(struct file *file, unsigned long reqprot, | |
293 | unsigned long prot, unsigned long flags, | |
294 | unsigned long addr, unsigned long addr_only) | |
295 | { | |
296 | if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO)) | |
297 | return -EACCES; | |
298 | return 0; | |
299 | } | |
300 | ||
301 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, | |
302 | unsigned long prot) | |
303 | { | |
304 | return 0; | |
305 | } | |
306 | ||
307 | static int cap_file_lock(struct file *file, unsigned int cmd) | |
308 | { | |
309 | return 0; | |
310 | } | |
311 | ||
312 | static int cap_file_fcntl(struct file *file, unsigned int cmd, | |
313 | unsigned long arg) | |
314 | { | |
315 | return 0; | |
316 | } | |
317 | ||
318 | static int cap_file_set_fowner(struct file *file) | |
319 | { | |
320 | return 0; | |
321 | } | |
322 | ||
323 | static int cap_file_send_sigiotask(struct task_struct *tsk, | |
324 | struct fown_struct *fown, int sig) | |
325 | { | |
326 | return 0; | |
327 | } | |
328 | ||
329 | static int cap_file_receive(struct file *file) | |
330 | { | |
331 | return 0; | |
332 | } | |
333 | ||
334 | static int cap_dentry_open(struct file *file) | |
335 | { | |
336 | return 0; | |
337 | } | |
338 | ||
339 | static int cap_task_create(unsigned long clone_flags) | |
340 | { | |
341 | return 0; | |
342 | } | |
343 | ||
344 | static int cap_task_alloc_security(struct task_struct *p) | |
345 | { | |
346 | return 0; | |
347 | } | |
348 | ||
349 | static void cap_task_free_security(struct task_struct *p) | |
350 | { | |
351 | } | |
352 | ||
353 | static int cap_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) | |
354 | { | |
355 | return 0; | |
356 | } | |
357 | ||
358 | static int cap_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) | |
359 | { | |
360 | return 0; | |
361 | } | |
1da177e4 | 362 | |
5915eb53 MS |
363 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
364 | { | |
365 | return 0; | |
366 | } | |
1da177e4 | 367 | |
5915eb53 | 368 | static int cap_task_getpgid(struct task_struct *p) |
1da177e4 | 369 | { |
1da177e4 LT |
370 | return 0; |
371 | } | |
372 | ||
5915eb53 MS |
373 | static int cap_task_getsid(struct task_struct *p) |
374 | { | |
375 | return 0; | |
376 | } | |
377 | ||
378 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) | |
379 | { | |
380 | *secid = 0; | |
381 | } | |
382 | ||
383 | static int cap_task_setgroups(struct group_info *group_info) | |
384 | { | |
385 | return 0; | |
386 | } | |
387 | ||
388 | static int cap_task_getioprio(struct task_struct *p) | |
389 | { | |
390 | return 0; | |
391 | } | |
392 | ||
393 | static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) | |
394 | { | |
395 | return 0; | |
396 | } | |
397 | ||
398 | static int cap_task_getscheduler(struct task_struct *p) | |
399 | { | |
400 | return 0; | |
401 | } | |
402 | ||
403 | static int cap_task_movememory(struct task_struct *p) | |
404 | { | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static int cap_task_wait(struct task_struct *p) | |
409 | { | |
410 | return 0; | |
411 | } | |
412 | ||
413 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, | |
414 | int sig, u32 secid) | |
415 | { | |
416 | return 0; | |
417 | } | |
418 | ||
419 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) | |
420 | { | |
421 | } | |
422 | ||
423 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) | |
424 | { | |
425 | return 0; | |
426 | } | |
427 | ||
428 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) | |
429 | { | |
430 | *secid = 0; | |
431 | } | |
432 | ||
433 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) | |
434 | { | |
435 | return 0; | |
436 | } | |
437 | ||
438 | static void cap_msg_msg_free_security(struct msg_msg *msg) | |
439 | { | |
440 | } | |
441 | ||
442 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) | |
443 | { | |
444 | return 0; | |
445 | } | |
446 | ||
447 | static void cap_msg_queue_free_security(struct msg_queue *msq) | |
448 | { | |
449 | } | |
450 | ||
451 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) | |
452 | { | |
453 | return 0; | |
454 | } | |
455 | ||
456 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) | |
457 | { | |
458 | return 0; | |
459 | } | |
460 | ||
461 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, | |
462 | int msgflg) | |
463 | { | |
464 | return 0; | |
465 | } | |
466 | ||
467 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
468 | struct task_struct *target, long type, int mode) | |
469 | { | |
470 | return 0; | |
471 | } | |
472 | ||
473 | static int cap_shm_alloc_security(struct shmid_kernel *shp) | |
474 | { | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static void cap_shm_free_security(struct shmid_kernel *shp) | |
479 | { | |
480 | } | |
481 | ||
482 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) | |
483 | { | |
484 | return 0; | |
485 | } | |
486 | ||
487 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) | |
488 | { | |
489 | return 0; | |
490 | } | |
491 | ||
492 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, | |
493 | int shmflg) | |
494 | { | |
495 | return 0; | |
496 | } | |
497 | ||
498 | static int cap_sem_alloc_security(struct sem_array *sma) | |
499 | { | |
500 | return 0; | |
501 | } | |
502 | ||
503 | static void cap_sem_free_security(struct sem_array *sma) | |
504 | { | |
505 | } | |
506 | ||
507 | static int cap_sem_associate(struct sem_array *sma, int semflg) | |
508 | { | |
509 | return 0; | |
510 | } | |
511 | ||
512 | static int cap_sem_semctl(struct sem_array *sma, int cmd) | |
513 | { | |
514 | return 0; | |
515 | } | |
516 | ||
517 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
518 | unsigned nsops, int alter) | |
519 | { | |
520 | return 0; | |
521 | } | |
522 | ||
523 | #ifdef CONFIG_SECURITY_NETWORK | |
524 | static int cap_unix_stream_connect(struct socket *sock, struct socket *other, | |
525 | struct sock *newsk) | |
526 | { | |
527 | return 0; | |
528 | } | |
529 | ||
530 | static int cap_unix_may_send(struct socket *sock, struct socket *other) | |
531 | { | |
532 | return 0; | |
533 | } | |
534 | ||
535 | static int cap_socket_create(int family, int type, int protocol, int kern) | |
536 | { | |
537 | return 0; | |
538 | } | |
539 | ||
540 | static int cap_socket_post_create(struct socket *sock, int family, int type, | |
541 | int protocol, int kern) | |
542 | { | |
543 | return 0; | |
544 | } | |
545 | ||
546 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, | |
547 | int addrlen) | |
548 | { | |
549 | return 0; | |
550 | } | |
551 | ||
552 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, | |
553 | int addrlen) | |
554 | { | |
555 | return 0; | |
556 | } | |
557 | ||
558 | static int cap_socket_listen(struct socket *sock, int backlog) | |
559 | { | |
560 | return 0; | |
561 | } | |
562 | ||
563 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) | |
564 | { | |
565 | return 0; | |
566 | } | |
567 | ||
568 | static void cap_socket_post_accept(struct socket *sock, struct socket *newsock) | |
569 | { | |
570 | } | |
571 | ||
572 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) | |
573 | { | |
574 | return 0; | |
575 | } | |
576 | ||
577 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
578 | int size, int flags) | |
579 | { | |
580 | return 0; | |
581 | } | |
582 | ||
583 | static int cap_socket_getsockname(struct socket *sock) | |
584 | { | |
585 | return 0; | |
586 | } | |
587 | ||
588 | static int cap_socket_getpeername(struct socket *sock) | |
589 | { | |
590 | return 0; | |
591 | } | |
592 | ||
593 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) | |
594 | { | |
595 | return 0; | |
596 | } | |
597 | ||
598 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) | |
599 | { | |
600 | return 0; | |
601 | } | |
602 | ||
603 | static int cap_socket_shutdown(struct socket *sock, int how) | |
604 | { | |
605 | return 0; | |
606 | } | |
607 | ||
608 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) | |
609 | { | |
610 | return 0; | |
611 | } | |
612 | ||
613 | static int cap_socket_getpeersec_stream(struct socket *sock, | |
614 | char __user *optval, | |
615 | int __user *optlen, unsigned len) | |
616 | { | |
617 | return -ENOPROTOOPT; | |
618 | } | |
619 | ||
620 | static int cap_socket_getpeersec_dgram(struct socket *sock, | |
621 | struct sk_buff *skb, u32 *secid) | |
622 | { | |
623 | return -ENOPROTOOPT; | |
624 | } | |
625 | ||
626 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) | |
627 | { | |
628 | return 0; | |
629 | } | |
630 | ||
631 | static void cap_sk_free_security(struct sock *sk) | |
632 | { | |
633 | } | |
634 | ||
635 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) | |
636 | { | |
637 | } | |
638 | ||
639 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) | |
640 | { | |
641 | } | |
642 | ||
643 | static void cap_sock_graft(struct sock *sk, struct socket *parent) | |
644 | { | |
645 | } | |
646 | ||
647 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, | |
648 | struct request_sock *req) | |
649 | { | |
650 | return 0; | |
651 | } | |
652 | ||
653 | static void cap_inet_csk_clone(struct sock *newsk, | |
654 | const struct request_sock *req) | |
655 | { | |
656 | } | |
657 | ||
658 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) | |
659 | { | |
660 | } | |
661 | ||
662 | static void cap_req_classify_flow(const struct request_sock *req, | |
663 | struct flowi *fl) | |
664 | { | |
665 | } | |
666 | #endif /* CONFIG_SECURITY_NETWORK */ | |
667 | ||
668 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
669 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, | |
670 | struct xfrm_user_sec_ctx *sec_ctx) | |
671 | { | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, | |
676 | struct xfrm_sec_ctx **new_ctxp) | |
677 | { | |
678 | return 0; | |
679 | } | |
680 | ||
681 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) | |
682 | { | |
683 | } | |
684 | ||
685 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) | |
686 | { | |
687 | return 0; | |
688 | } | |
689 | ||
690 | static int cap_xfrm_state_alloc_security(struct xfrm_state *x, | |
691 | struct xfrm_user_sec_ctx *sec_ctx, | |
692 | u32 secid) | |
693 | { | |
694 | return 0; | |
695 | } | |
696 | ||
697 | static void cap_xfrm_state_free_security(struct xfrm_state *x) | |
698 | { | |
699 | } | |
700 | ||
701 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) | |
702 | { | |
703 | return 0; | |
704 | } | |
705 | ||
706 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) | |
707 | { | |
708 | return 0; | |
709 | } | |
710 | ||
711 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
712 | struct xfrm_policy *xp, | |
713 | struct flowi *fl) | |
714 | { | |
715 | return 1; | |
716 | } | |
717 | ||
718 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) | |
719 | { | |
720 | return 0; | |
721 | } | |
722 | ||
723 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
5915eb53 MS |
724 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
725 | { | |
726 | } | |
727 | ||
728 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) | |
729 | { | |
730 | return -EINVAL; | |
731 | } | |
732 | ||
733 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, | |
734 | size_t size) | |
735 | { | |
736 | return -EINVAL; | |
737 | } | |
738 | ||
739 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) | |
740 | { | |
741 | return -EOPNOTSUPP; | |
742 | } | |
743 | ||
744 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) | |
745 | { | |
746 | return -EOPNOTSUPP; | |
747 | } | |
748 | ||
749 | static void cap_release_secctx(char *secdata, u32 seclen) | |
750 | { | |
751 | } | |
752 | ||
753 | #ifdef CONFIG_KEYS | |
754 | static int cap_key_alloc(struct key *key, struct task_struct *ctx, | |
755 | unsigned long flags) | |
756 | { | |
757 | return 0; | |
758 | } | |
759 | ||
760 | static void cap_key_free(struct key *key) | |
761 | { | |
762 | } | |
763 | ||
764 | static int cap_key_permission(key_ref_t key_ref, struct task_struct *context, | |
765 | key_perm_t perm) | |
766 | { | |
767 | return 0; | |
768 | } | |
769 | ||
770 | static int cap_key_getsecurity(struct key *key, char **_buffer) | |
771 | { | |
772 | *_buffer = NULL; | |
773 | return 0; | |
774 | } | |
775 | ||
776 | #endif /* CONFIG_KEYS */ | |
777 | ||
778 | #ifdef CONFIG_AUDIT | |
779 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) | |
780 | { | |
781 | return 0; | |
782 | } | |
783 | ||
784 | static int cap_audit_rule_known(struct audit_krule *krule) | |
785 | { | |
786 | return 0; | |
787 | } | |
788 | ||
789 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
790 | struct audit_context *actx) | |
791 | { | |
792 | return 0; | |
793 | } | |
794 | ||
795 | static void cap_audit_rule_free(void *lsmrule) | |
796 | { | |
797 | } | |
798 | #endif /* CONFIG_AUDIT */ | |
799 | ||
800 | struct security_operations default_security_ops = { | |
801 | .name = "default", | |
802 | }; | |
803 | ||
804 | #define set_to_cap_if_null(ops, function) \ | |
805 | do { \ | |
806 | if (!ops->function) { \ | |
807 | ops->function = cap_##function; \ | |
808 | pr_debug("Had to override the " #function \ | |
809 | " security operation with the default.\n");\ | |
810 | } \ | |
811 | } while (0) | |
812 | ||
813 | void security_fixup_ops(struct security_operations *ops) | |
814 | { | |
815 | set_to_cap_if_null(ops, ptrace); | |
816 | set_to_cap_if_null(ops, capget); | |
817 | set_to_cap_if_null(ops, capset_check); | |
818 | set_to_cap_if_null(ops, capset_set); | |
819 | set_to_cap_if_null(ops, acct); | |
820 | set_to_cap_if_null(ops, capable); | |
821 | set_to_cap_if_null(ops, quotactl); | |
822 | set_to_cap_if_null(ops, quota_on); | |
823 | set_to_cap_if_null(ops, sysctl); | |
824 | set_to_cap_if_null(ops, syslog); | |
825 | set_to_cap_if_null(ops, settime); | |
826 | set_to_cap_if_null(ops, vm_enough_memory); | |
827 | set_to_cap_if_null(ops, bprm_alloc_security); | |
828 | set_to_cap_if_null(ops, bprm_free_security); | |
829 | set_to_cap_if_null(ops, bprm_apply_creds); | |
830 | set_to_cap_if_null(ops, bprm_post_apply_creds); | |
831 | set_to_cap_if_null(ops, bprm_set_security); | |
832 | set_to_cap_if_null(ops, bprm_check_security); | |
833 | set_to_cap_if_null(ops, bprm_secureexec); | |
834 | set_to_cap_if_null(ops, sb_alloc_security); | |
835 | set_to_cap_if_null(ops, sb_free_security); | |
836 | set_to_cap_if_null(ops, sb_copy_data); | |
837 | set_to_cap_if_null(ops, sb_kern_mount); | |
838 | set_to_cap_if_null(ops, sb_show_options); | |
839 | set_to_cap_if_null(ops, sb_statfs); | |
840 | set_to_cap_if_null(ops, sb_mount); | |
841 | set_to_cap_if_null(ops, sb_check_sb); | |
842 | set_to_cap_if_null(ops, sb_umount); | |
843 | set_to_cap_if_null(ops, sb_umount_close); | |
844 | set_to_cap_if_null(ops, sb_umount_busy); | |
845 | set_to_cap_if_null(ops, sb_post_remount); | |
846 | set_to_cap_if_null(ops, sb_post_addmount); | |
847 | set_to_cap_if_null(ops, sb_pivotroot); | |
848 | set_to_cap_if_null(ops, sb_post_pivotroot); | |
849 | set_to_cap_if_null(ops, sb_set_mnt_opts); | |
850 | set_to_cap_if_null(ops, sb_clone_mnt_opts); | |
851 | set_to_cap_if_null(ops, sb_parse_opts_str); | |
852 | set_to_cap_if_null(ops, inode_alloc_security); | |
853 | set_to_cap_if_null(ops, inode_free_security); | |
854 | set_to_cap_if_null(ops, inode_init_security); | |
855 | set_to_cap_if_null(ops, inode_create); | |
856 | set_to_cap_if_null(ops, inode_link); | |
857 | set_to_cap_if_null(ops, inode_unlink); | |
858 | set_to_cap_if_null(ops, inode_symlink); | |
859 | set_to_cap_if_null(ops, inode_mkdir); | |
860 | set_to_cap_if_null(ops, inode_rmdir); | |
861 | set_to_cap_if_null(ops, inode_mknod); | |
862 | set_to_cap_if_null(ops, inode_rename); | |
863 | set_to_cap_if_null(ops, inode_readlink); | |
864 | set_to_cap_if_null(ops, inode_follow_link); | |
865 | set_to_cap_if_null(ops, inode_permission); | |
866 | set_to_cap_if_null(ops, inode_setattr); | |
867 | set_to_cap_if_null(ops, inode_getattr); | |
868 | set_to_cap_if_null(ops, inode_delete); | |
869 | set_to_cap_if_null(ops, inode_setxattr); | |
870 | set_to_cap_if_null(ops, inode_post_setxattr); | |
871 | set_to_cap_if_null(ops, inode_getxattr); | |
872 | set_to_cap_if_null(ops, inode_listxattr); | |
873 | set_to_cap_if_null(ops, inode_removexattr); | |
874 | set_to_cap_if_null(ops, inode_need_killpriv); | |
875 | set_to_cap_if_null(ops, inode_killpriv); | |
876 | set_to_cap_if_null(ops, inode_getsecurity); | |
877 | set_to_cap_if_null(ops, inode_setsecurity); | |
878 | set_to_cap_if_null(ops, inode_listsecurity); | |
879 | set_to_cap_if_null(ops, inode_getsecid); | |
880 | set_to_cap_if_null(ops, file_permission); | |
881 | set_to_cap_if_null(ops, file_alloc_security); | |
882 | set_to_cap_if_null(ops, file_free_security); | |
883 | set_to_cap_if_null(ops, file_ioctl); | |
884 | set_to_cap_if_null(ops, file_mmap); | |
885 | set_to_cap_if_null(ops, file_mprotect); | |
886 | set_to_cap_if_null(ops, file_lock); | |
887 | set_to_cap_if_null(ops, file_fcntl); | |
888 | set_to_cap_if_null(ops, file_set_fowner); | |
889 | set_to_cap_if_null(ops, file_send_sigiotask); | |
890 | set_to_cap_if_null(ops, file_receive); | |
891 | set_to_cap_if_null(ops, dentry_open); | |
892 | set_to_cap_if_null(ops, task_create); | |
893 | set_to_cap_if_null(ops, task_alloc_security); | |
894 | set_to_cap_if_null(ops, task_free_security); | |
895 | set_to_cap_if_null(ops, task_setuid); | |
896 | set_to_cap_if_null(ops, task_post_setuid); | |
897 | set_to_cap_if_null(ops, task_setgid); | |
898 | set_to_cap_if_null(ops, task_setpgid); | |
899 | set_to_cap_if_null(ops, task_getpgid); | |
900 | set_to_cap_if_null(ops, task_getsid); | |
901 | set_to_cap_if_null(ops, task_getsecid); | |
902 | set_to_cap_if_null(ops, task_setgroups); | |
903 | set_to_cap_if_null(ops, task_setnice); | |
904 | set_to_cap_if_null(ops, task_setioprio); | |
905 | set_to_cap_if_null(ops, task_getioprio); | |
906 | set_to_cap_if_null(ops, task_setrlimit); | |
907 | set_to_cap_if_null(ops, task_setscheduler); | |
908 | set_to_cap_if_null(ops, task_getscheduler); | |
909 | set_to_cap_if_null(ops, task_movememory); | |
910 | set_to_cap_if_null(ops, task_wait); | |
911 | set_to_cap_if_null(ops, task_kill); | |
912 | set_to_cap_if_null(ops, task_prctl); | |
913 | set_to_cap_if_null(ops, task_reparent_to_init); | |
914 | set_to_cap_if_null(ops, task_to_inode); | |
915 | set_to_cap_if_null(ops, ipc_permission); | |
916 | set_to_cap_if_null(ops, ipc_getsecid); | |
917 | set_to_cap_if_null(ops, msg_msg_alloc_security); | |
918 | set_to_cap_if_null(ops, msg_msg_free_security); | |
919 | set_to_cap_if_null(ops, msg_queue_alloc_security); | |
920 | set_to_cap_if_null(ops, msg_queue_free_security); | |
921 | set_to_cap_if_null(ops, msg_queue_associate); | |
922 | set_to_cap_if_null(ops, msg_queue_msgctl); | |
923 | set_to_cap_if_null(ops, msg_queue_msgsnd); | |
924 | set_to_cap_if_null(ops, msg_queue_msgrcv); | |
925 | set_to_cap_if_null(ops, shm_alloc_security); | |
926 | set_to_cap_if_null(ops, shm_free_security); | |
927 | set_to_cap_if_null(ops, shm_associate); | |
928 | set_to_cap_if_null(ops, shm_shmctl); | |
929 | set_to_cap_if_null(ops, shm_shmat); | |
930 | set_to_cap_if_null(ops, sem_alloc_security); | |
931 | set_to_cap_if_null(ops, sem_free_security); | |
932 | set_to_cap_if_null(ops, sem_associate); | |
933 | set_to_cap_if_null(ops, sem_semctl); | |
934 | set_to_cap_if_null(ops, sem_semop); | |
935 | set_to_cap_if_null(ops, netlink_send); | |
936 | set_to_cap_if_null(ops, netlink_recv); | |
5915eb53 MS |
937 | set_to_cap_if_null(ops, d_instantiate); |
938 | set_to_cap_if_null(ops, getprocattr); | |
939 | set_to_cap_if_null(ops, setprocattr); | |
940 | set_to_cap_if_null(ops, secid_to_secctx); | |
941 | set_to_cap_if_null(ops, secctx_to_secid); | |
942 | set_to_cap_if_null(ops, release_secctx); | |
943 | #ifdef CONFIG_SECURITY_NETWORK | |
944 | set_to_cap_if_null(ops, unix_stream_connect); | |
945 | set_to_cap_if_null(ops, unix_may_send); | |
946 | set_to_cap_if_null(ops, socket_create); | |
947 | set_to_cap_if_null(ops, socket_post_create); | |
948 | set_to_cap_if_null(ops, socket_bind); | |
949 | set_to_cap_if_null(ops, socket_connect); | |
950 | set_to_cap_if_null(ops, socket_listen); | |
951 | set_to_cap_if_null(ops, socket_accept); | |
952 | set_to_cap_if_null(ops, socket_post_accept); | |
953 | set_to_cap_if_null(ops, socket_sendmsg); | |
954 | set_to_cap_if_null(ops, socket_recvmsg); | |
955 | set_to_cap_if_null(ops, socket_getsockname); | |
956 | set_to_cap_if_null(ops, socket_getpeername); | |
957 | set_to_cap_if_null(ops, socket_setsockopt); | |
958 | set_to_cap_if_null(ops, socket_getsockopt); | |
959 | set_to_cap_if_null(ops, socket_shutdown); | |
960 | set_to_cap_if_null(ops, socket_sock_rcv_skb); | |
961 | set_to_cap_if_null(ops, socket_getpeersec_stream); | |
962 | set_to_cap_if_null(ops, socket_getpeersec_dgram); | |
963 | set_to_cap_if_null(ops, sk_alloc_security); | |
964 | set_to_cap_if_null(ops, sk_free_security); | |
965 | set_to_cap_if_null(ops, sk_clone_security); | |
966 | set_to_cap_if_null(ops, sk_getsecid); | |
967 | set_to_cap_if_null(ops, sock_graft); | |
968 | set_to_cap_if_null(ops, inet_conn_request); | |
969 | set_to_cap_if_null(ops, inet_csk_clone); | |
970 | set_to_cap_if_null(ops, inet_conn_established); | |
971 | set_to_cap_if_null(ops, req_classify_flow); | |
972 | #endif /* CONFIG_SECURITY_NETWORK */ | |
973 | #ifdef CONFIG_SECURITY_NETWORK_XFRM | |
974 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); | |
975 | set_to_cap_if_null(ops, xfrm_policy_clone_security); | |
976 | set_to_cap_if_null(ops, xfrm_policy_free_security); | |
977 | set_to_cap_if_null(ops, xfrm_policy_delete_security); | |
978 | set_to_cap_if_null(ops, xfrm_state_alloc_security); | |
979 | set_to_cap_if_null(ops, xfrm_state_free_security); | |
980 | set_to_cap_if_null(ops, xfrm_state_delete_security); | |
981 | set_to_cap_if_null(ops, xfrm_policy_lookup); | |
982 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); | |
983 | set_to_cap_if_null(ops, xfrm_decode_session); | |
984 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ | |
985 | #ifdef CONFIG_KEYS | |
986 | set_to_cap_if_null(ops, key_alloc); | |
987 | set_to_cap_if_null(ops, key_free); | |
988 | set_to_cap_if_null(ops, key_permission); | |
989 | set_to_cap_if_null(ops, key_getsecurity); | |
990 | #endif /* CONFIG_KEYS */ | |
991 | #ifdef CONFIG_AUDIT | |
992 | set_to_cap_if_null(ops, audit_rule_init); | |
993 | set_to_cap_if_null(ops, audit_rule_known); | |
994 | set_to_cap_if_null(ops, audit_rule_match); | |
995 | set_to_cap_if_null(ops, audit_rule_free); | |
996 | #endif | |
997 | } |