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1 | /* |
2 | * Capabilities Linux Security Module |
3 | * |
4 | * This is the default security module in case no other module is loaded. |
5 | * |
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 | |
13 | #include <linux/security.h> |
14 | |
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_check_security (struct linux_binprm *bprm) |
36 | { |
37 | return 0; |
38 | } |
39 | |
40 | static void cap_bprm_committing_creds(struct linux_binprm *bprm) |
41 | { |
42 | } |
43 | |
44 | static void cap_bprm_committed_creds(struct linux_binprm *bprm) |
45 | { |
46 | } |
47 | |
48 | static int cap_sb_alloc_security(struct super_block *sb) |
49 | { |
50 | return 0; |
51 | } |
52 | |
53 | static void cap_sb_free_security(struct super_block *sb) |
54 | { |
55 | } |
56 | |
57 | static int cap_sb_copy_data(char *orig, char *copy) |
58 | { |
59 | return 0; |
60 | } |
61 | |
62 | static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data) |
63 | { |
64 | return 0; |
65 | } |
66 | |
67 | static int cap_sb_show_options(struct seq_file *m, struct super_block *sb) |
68 | { |
69 | return 0; |
70 | } |
71 | |
72 | static int cap_sb_statfs(struct dentry *dentry) |
73 | { |
74 | return 0; |
75 | } |
76 | |
77 | static int cap_sb_mount(char *dev_name, struct path *path, char *type, |
78 | unsigned long flags, void *data) |
79 | { |
80 | return 0; |
81 | } |
82 | |
83 | static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path) |
84 | { |
85 | return 0; |
86 | } |
87 | |
88 | static int cap_sb_umount(struct vfsmount *mnt, int flags) |
89 | { |
90 | return 0; |
91 | } |
92 | |
93 | static void cap_sb_umount_close(struct vfsmount *mnt) |
94 | { |
95 | } |
96 | |
97 | static void cap_sb_umount_busy(struct vfsmount *mnt) |
98 | { |
99 | } |
100 | |
101 | static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags, |
102 | void *data) |
103 | { |
104 | } |
105 | |
106 | static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path) |
107 | { |
108 | } |
109 | |
110 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path) |
111 | { |
112 | return 0; |
113 | } |
114 | |
115 | static void cap_sb_post_pivotroot(struct path *old_path, struct path *new_path) |
116 | { |
117 | } |
118 | |
119 | static int cap_sb_set_mnt_opts(struct super_block *sb, |
120 | struct security_mnt_opts *opts) |
121 | { |
122 | if (unlikely(opts->num_mnt_opts)) |
123 | return -EOPNOTSUPP; |
124 | return 0; |
125 | } |
126 | |
127 | static void cap_sb_clone_mnt_opts(const struct super_block *oldsb, |
128 | struct super_block *newsb) |
129 | { |
130 | } |
131 | |
132 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
133 | { |
134 | return 0; |
135 | } |
136 | |
137 | static int cap_inode_alloc_security(struct inode *inode) |
138 | { |
139 | return 0; |
140 | } |
141 | |
142 | static void cap_inode_free_security(struct inode *inode) |
143 | { |
144 | } |
145 | |
146 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, |
147 | char **name, void **value, size_t *len) |
148 | { |
149 | return -EOPNOTSUPP; |
150 | } |
151 | |
152 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, |
153 | int mask) |
154 | { |
155 | return 0; |
156 | } |
157 | |
158 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, |
159 | struct dentry *new_dentry) |
160 | { |
161 | return 0; |
162 | } |
163 | |
164 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) |
165 | { |
166 | return 0; |
167 | } |
168 | |
169 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, |
170 | const char *name) |
171 | { |
172 | return 0; |
173 | } |
174 | |
175 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, |
176 | int mask) |
177 | { |
178 | return 0; |
179 | } |
180 | |
181 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) |
182 | { |
183 | return 0; |
184 | } |
185 | |
186 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, |
187 | int mode, dev_t dev) |
188 | { |
189 | return 0; |
190 | } |
191 | |
192 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, |
193 | struct inode *new_inode, struct dentry *new_dentry) |
194 | { |
195 | return 0; |
196 | } |
197 | |
198 | static int cap_inode_readlink(struct dentry *dentry) |
199 | { |
200 | return 0; |
201 | } |
202 | |
203 | static int cap_inode_follow_link(struct dentry *dentry, |
204 | struct nameidata *nameidata) |
205 | { |
206 | return 0; |
207 | } |
208 | |
209 | static int cap_inode_permission(struct inode *inode, int mask) |
210 | { |
211 | return 0; |
212 | } |
213 | |
214 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) |
215 | { |
216 | return 0; |
217 | } |
218 | |
219 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
220 | { |
221 | return 0; |
222 | } |
223 | |
224 | static void cap_inode_delete(struct inode *ino) |
225 | { |
226 | } |
227 | |
228 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, |
229 | const void *value, size_t size, int flags) |
230 | { |
231 | } |
232 | |
233 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) |
234 | { |
235 | return 0; |
236 | } |
237 | |
238 | static int cap_inode_listxattr(struct dentry *dentry) |
239 | { |
240 | return 0; |
241 | } |
242 | |
243 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, |
244 | void **buffer, bool alloc) |
245 | { |
246 | return -EOPNOTSUPP; |
247 | } |
248 | |
249 | static int cap_inode_setsecurity(struct inode *inode, const char *name, |
250 | const void *value, size_t size, int flags) |
251 | { |
252 | return -EOPNOTSUPP; |
253 | } |
254 | |
255 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, |
256 | size_t buffer_size) |
257 | { |
258 | return 0; |
259 | } |
260 | |
261 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) |
262 | { |
263 | *secid = 0; |
264 | } |
265 | |
266 | #ifdef CONFIG_SECURITY_PATH |
267 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, int mode, |
268 | unsigned int dev) |
269 | { |
270 | return 0; |
271 | } |
272 | |
273 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, int mode) |
274 | { |
275 | return 0; |
276 | } |
277 | |
278 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry) |
279 | { |
280 | return 0; |
281 | } |
282 | |
283 | static int cap_path_unlink(struct path *dir, struct dentry *dentry) |
284 | { |
285 | return 0; |
286 | } |
287 | |
288 | static int cap_path_symlink(struct path *dir, struct dentry *dentry, |
289 | const char *old_name) |
290 | { |
291 | return 0; |
292 | } |
293 | |
294 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir, |
295 | struct dentry *new_dentry) |
296 | { |
297 | return 0; |
298 | } |
299 | |
300 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry, |
301 | struct path *new_path, struct dentry *new_dentry) |
302 | { |
303 | return 0; |
304 | } |
305 | |
306 | static int cap_path_truncate(struct path *path, loff_t length, |
307 | unsigned int time_attrs) |
308 | { |
309 | return 0; |
310 | } |
311 | |
312 | static int cap_path_chmod(struct dentry *dentry, struct vfsmount *mnt, |
313 | mode_t mode) |
314 | { |
315 | return 0; |
316 | } |
317 | |
318 | static int cap_path_chown(struct path *path, uid_t uid, gid_t gid) |
319 | { |
320 | return 0; |
321 | } |
322 | |
323 | static int cap_path_chroot(struct path *root) |
324 | { |
325 | return 0; |
326 | } |
327 | #endif |
328 | |
329 | static int cap_file_permission(struct file *file, int mask) |
330 | { |
331 | return 0; |
332 | } |
333 | |
334 | static int cap_file_alloc_security(struct file *file) |
335 | { |
336 | return 0; |
337 | } |
338 | |
339 | static void cap_file_free_security(struct file *file) |
340 | { |
341 | } |
342 | |
343 | static int cap_file_ioctl(struct file *file, unsigned int command, |
344 | unsigned long arg) |
345 | { |
346 | return 0; |
347 | } |
348 | |
349 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
350 | unsigned long prot) |
351 | { |
352 | return 0; |
353 | } |
354 | |
355 | static int cap_file_lock(struct file *file, unsigned int cmd) |
356 | { |
357 | return 0; |
358 | } |
359 | |
360 | static int cap_file_fcntl(struct file *file, unsigned int cmd, |
361 | unsigned long arg) |
362 | { |
363 | return 0; |
364 | } |
365 | |
366 | static int cap_file_set_fowner(struct file *file) |
367 | { |
368 | return 0; |
369 | } |
370 | |
371 | static int cap_file_send_sigiotask(struct task_struct *tsk, |
372 | struct fown_struct *fown, int sig) |
373 | { |
374 | return 0; |
375 | } |
376 | |
377 | static int cap_file_receive(struct file *file) |
378 | { |
379 | return 0; |
380 | } |
381 | |
382 | static int cap_dentry_open(struct file *file, const struct cred *cred) |
383 | { |
384 | return 0; |
385 | } |
386 | |
387 | static int cap_task_create(unsigned long clone_flags) |
388 | { |
389 | return 0; |
390 | } |
391 | |
392 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
393 | { |
394 | return 0; |
395 | } |
396 | |
397 | static void cap_cred_free(struct cred *cred) |
398 | { |
399 | } |
400 | |
401 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) |
402 | { |
403 | return 0; |
404 | } |
405 | |
406 | static void cap_cred_commit(struct cred *new, const struct cred *old) |
407 | { |
408 | } |
409 | |
410 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
411 | { |
412 | } |
413 | |
414 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
415 | { |
416 | return 0; |
417 | } |
418 | |
419 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) |
420 | { |
421 | return 0; |
422 | } |
423 | |
424 | static int cap_kernel_module_request(char *kmod_name) |
425 | { |
426 | return 0; |
427 | } |
428 | |
429 | static int cap_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags) |
430 | { |
431 | return 0; |
432 | } |
433 | |
434 | static int cap_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags) |
435 | { |
436 | return 0; |
437 | } |
438 | |
439 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
440 | { |
441 | return 0; |
442 | } |
443 | |
444 | static int cap_task_getpgid(struct task_struct *p) |
445 | { |
446 | return 0; |
447 | } |
448 | |
449 | static int cap_task_getsid(struct task_struct *p) |
450 | { |
451 | return 0; |
452 | } |
453 | |
454 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) |
455 | { |
456 | *secid = 0; |
457 | } |
458 | |
459 | static int cap_task_setgroups(struct group_info *group_info) |
460 | { |
461 | return 0; |
462 | } |
463 | |
464 | static int cap_task_getioprio(struct task_struct *p) |
465 | { |
466 | return 0; |
467 | } |
468 | |
469 | static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim) |
470 | { |
471 | return 0; |
472 | } |
473 | |
474 | static int cap_task_getscheduler(struct task_struct *p) |
475 | { |
476 | return 0; |
477 | } |
478 | |
479 | static int cap_task_movememory(struct task_struct *p) |
480 | { |
481 | return 0; |
482 | } |
483 | |
484 | static int cap_task_wait(struct task_struct *p) |
485 | { |
486 | return 0; |
487 | } |
488 | |
489 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, |
490 | int sig, u32 secid) |
491 | { |
492 | return 0; |
493 | } |
494 | |
495 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) |
496 | { |
497 | } |
498 | |
499 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
500 | { |
501 | return 0; |
502 | } |
503 | |
504 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
505 | { |
506 | *secid = 0; |
507 | } |
508 | |
509 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) |
510 | { |
511 | return 0; |
512 | } |
513 | |
514 | static void cap_msg_msg_free_security(struct msg_msg *msg) |
515 | { |
516 | } |
517 | |
518 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) |
519 | { |
520 | return 0; |
521 | } |
522 | |
523 | static void cap_msg_queue_free_security(struct msg_queue *msq) |
524 | { |
525 | } |
526 | |
527 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) |
528 | { |
529 | return 0; |
530 | } |
531 | |
532 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
533 | { |
534 | return 0; |
535 | } |
536 | |
537 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, |
538 | int msgflg) |
539 | { |
540 | return 0; |
541 | } |
542 | |
543 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
544 | struct task_struct *target, long type, int mode) |
545 | { |
546 | return 0; |
547 | } |
548 | |
549 | static int cap_shm_alloc_security(struct shmid_kernel *shp) |
550 | { |
551 | return 0; |
552 | } |
553 | |
554 | static void cap_shm_free_security(struct shmid_kernel *shp) |
555 | { |
556 | } |
557 | |
558 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) |
559 | { |
560 | return 0; |
561 | } |
562 | |
563 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) |
564 | { |
565 | return 0; |
566 | } |
567 | |
568 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, |
569 | int shmflg) |
570 | { |
571 | return 0; |
572 | } |
573 | |
574 | static int cap_sem_alloc_security(struct sem_array *sma) |
575 | { |
576 | return 0; |
577 | } |
578 | |
579 | static void cap_sem_free_security(struct sem_array *sma) |
580 | { |
581 | } |
582 | |
583 | static int cap_sem_associate(struct sem_array *sma, int semflg) |
584 | { |
585 | return 0; |
586 | } |
587 | |
588 | static int cap_sem_semctl(struct sem_array *sma, int cmd) |
589 | { |
590 | return 0; |
591 | } |
592 | |
593 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, |
594 | unsigned nsops, int alter) |
595 | { |
596 | return 0; |
597 | } |
598 | |
599 | #ifdef CONFIG_SECURITY_NETWORK |
600 | static int cap_unix_stream_connect(struct socket *sock, struct socket *other, |
601 | struct sock *newsk) |
602 | { |
603 | return 0; |
604 | } |
605 | |
606 | static int cap_unix_may_send(struct socket *sock, struct socket *other) |
607 | { |
608 | return 0; |
609 | } |
610 | |
611 | static int cap_socket_create(int family, int type, int protocol, int kern) |
612 | { |
613 | return 0; |
614 | } |
615 | |
616 | static int cap_socket_post_create(struct socket *sock, int family, int type, |
617 | int protocol, int kern) |
618 | { |
619 | return 0; |
620 | } |
621 | |
622 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, |
623 | int addrlen) |
624 | { |
625 | return 0; |
626 | } |
627 | |
628 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, |
629 | int addrlen) |
630 | { |
631 | return 0; |
632 | } |
633 | |
634 | static int cap_socket_listen(struct socket *sock, int backlog) |
635 | { |
636 | return 0; |
637 | } |
638 | |
639 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) |
640 | { |
641 | return 0; |
642 | } |
643 | |
644 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
645 | { |
646 | return 0; |
647 | } |
648 | |
649 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
650 | int size, int flags) |
651 | { |
652 | return 0; |
653 | } |
654 | |
655 | static int cap_socket_getsockname(struct socket *sock) |
656 | { |
657 | return 0; |
658 | } |
659 | |
660 | static int cap_socket_getpeername(struct socket *sock) |
661 | { |
662 | return 0; |
663 | } |
664 | |
665 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) |
666 | { |
667 | return 0; |
668 | } |
669 | |
670 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) |
671 | { |
672 | return 0; |
673 | } |
674 | |
675 | static int cap_socket_shutdown(struct socket *sock, int how) |
676 | { |
677 | return 0; |
678 | } |
679 | |
680 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
681 | { |
682 | return 0; |
683 | } |
684 | |
685 | static int cap_socket_getpeersec_stream(struct socket *sock, |
686 | char __user *optval, |
687 | int __user *optlen, unsigned len) |
688 | { |
689 | return -ENOPROTOOPT; |
690 | } |
691 | |
692 | static int cap_socket_getpeersec_dgram(struct socket *sock, |
693 | struct sk_buff *skb, u32 *secid) |
694 | { |
695 | return -ENOPROTOOPT; |
696 | } |
697 | |
698 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) |
699 | { |
700 | return 0; |
701 | } |
702 | |
703 | static void cap_sk_free_security(struct sock *sk) |
704 | { |
705 | } |
706 | |
707 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) |
708 | { |
709 | } |
710 | |
711 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) |
712 | { |
713 | } |
714 | |
715 | static void cap_sock_graft(struct sock *sk, struct socket *parent) |
716 | { |
717 | } |
718 | |
719 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, |
720 | struct request_sock *req) |
721 | { |
722 | return 0; |
723 | } |
724 | |
725 | static void cap_inet_csk_clone(struct sock *newsk, |
726 | const struct request_sock *req) |
727 | { |
728 | } |
729 | |
730 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) |
731 | { |
732 | } |
733 | |
734 | |
735 | |
736 | static void cap_req_classify_flow(const struct request_sock *req, |
737 | struct flowi *fl) |
738 | { |
739 | } |
740 | |
741 | static int cap_tun_dev_create(void) |
742 | { |
743 | return 0; |
744 | } |
745 | |
746 | static void cap_tun_dev_post_create(struct sock *sk) |
747 | { |
748 | } |
749 | |
750 | static int cap_tun_dev_attach(struct sock *sk) |
751 | { |
752 | return 0; |
753 | } |
754 | #endif /* CONFIG_SECURITY_NETWORK */ |
755 | |
756 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
757 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, |
758 | struct xfrm_user_sec_ctx *sec_ctx) |
759 | { |
760 | return 0; |
761 | } |
762 | |
763 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, |
764 | struct xfrm_sec_ctx **new_ctxp) |
765 | { |
766 | return 0; |
767 | } |
768 | |
769 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) |
770 | { |
771 | } |
772 | |
773 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) |
774 | { |
775 | return 0; |
776 | } |
777 | |
778 | static int cap_xfrm_state_alloc_security(struct xfrm_state *x, |
779 | struct xfrm_user_sec_ctx *sec_ctx, |
780 | u32 secid) |
781 | { |
782 | return 0; |
783 | } |
784 | |
785 | static void cap_xfrm_state_free_security(struct xfrm_state *x) |
786 | { |
787 | } |
788 | |
789 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) |
790 | { |
791 | return 0; |
792 | } |
793 | |
794 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) |
795 | { |
796 | return 0; |
797 | } |
798 | |
799 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, |
800 | struct xfrm_policy *xp, |
801 | struct flowi *fl) |
802 | { |
803 | return 1; |
804 | } |
805 | |
806 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) |
807 | { |
808 | return 0; |
809 | } |
810 | |
811 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
812 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
813 | { |
814 | } |
815 | |
816 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) |
817 | { |
818 | return -EINVAL; |
819 | } |
820 | |
821 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, |
822 | size_t size) |
823 | { |
824 | return -EINVAL; |
825 | } |
826 | |
827 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
828 | { |
829 | return -EOPNOTSUPP; |
830 | } |
831 | |
832 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
833 | { |
834 | return -EOPNOTSUPP; |
835 | } |
836 | |
837 | static void cap_release_secctx(char *secdata, u32 seclen) |
838 | { |
839 | } |
840 | |
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 | } |
855 | #ifdef CONFIG_KEYS |
856 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
857 | unsigned long flags) |
858 | { |
859 | return 0; |
860 | } |
861 | |
862 | static void cap_key_free(struct key *key) |
863 | { |
864 | } |
865 | |
866 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
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 | static int cap_key_session_to_parent(const struct cred *cred, |
879 | const struct cred *parent_cred, |
880 | struct key *key) |
881 | { |
882 | return 0; |
883 | } |
884 | |
885 | #endif /* CONFIG_KEYS */ |
886 | |
887 | #ifdef CONFIG_AUDIT |
888 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
889 | { |
890 | return 0; |
891 | } |
892 | |
893 | static int cap_audit_rule_known(struct audit_krule *krule) |
894 | { |
895 | return 0; |
896 | } |
897 | |
898 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
899 | struct audit_context *actx) |
900 | { |
901 | return 0; |
902 | } |
903 | |
904 | static void cap_audit_rule_free(void *lsmrule) |
905 | { |
906 | } |
907 | #endif /* CONFIG_AUDIT */ |
908 | |
909 | #define set_to_cap_if_null(ops, function) \ |
910 | do { \ |
911 | if (!ops->function) { \ |
912 | ops->function = cap_##function; \ |
913 | pr_debug("Had to override the " #function \ |
914 | " security operation with the default.\n");\ |
915 | } \ |
916 | } while (0) |
917 | |
918 | void security_fixup_ops(struct security_operations *ops) |
919 | { |
920 | set_to_cap_if_null(ops, ptrace_access_check); |
921 | set_to_cap_if_null(ops, ptrace_traceme); |
922 | set_to_cap_if_null(ops, capget); |
923 | set_to_cap_if_null(ops, capset); |
924 | set_to_cap_if_null(ops, acct); |
925 | set_to_cap_if_null(ops, capable); |
926 | set_to_cap_if_null(ops, quotactl); |
927 | set_to_cap_if_null(ops, quota_on); |
928 | set_to_cap_if_null(ops, sysctl); |
929 | set_to_cap_if_null(ops, syslog); |
930 | set_to_cap_if_null(ops, settime); |
931 | set_to_cap_if_null(ops, vm_enough_memory); |
932 | set_to_cap_if_null(ops, bprm_set_creds); |
933 | set_to_cap_if_null(ops, bprm_committing_creds); |
934 | set_to_cap_if_null(ops, bprm_committed_creds); |
935 | set_to_cap_if_null(ops, bprm_check_security); |
936 | set_to_cap_if_null(ops, bprm_secureexec); |
937 | set_to_cap_if_null(ops, sb_alloc_security); |
938 | set_to_cap_if_null(ops, sb_free_security); |
939 | set_to_cap_if_null(ops, sb_copy_data); |
940 | set_to_cap_if_null(ops, sb_kern_mount); |
941 | set_to_cap_if_null(ops, sb_show_options); |
942 | set_to_cap_if_null(ops, sb_statfs); |
943 | set_to_cap_if_null(ops, sb_mount); |
944 | set_to_cap_if_null(ops, sb_check_sb); |
945 | set_to_cap_if_null(ops, sb_umount); |
946 | set_to_cap_if_null(ops, sb_umount_close); |
947 | set_to_cap_if_null(ops, sb_umount_busy); |
948 | set_to_cap_if_null(ops, sb_post_remount); |
949 | set_to_cap_if_null(ops, sb_post_addmount); |
950 | set_to_cap_if_null(ops, sb_pivotroot); |
951 | set_to_cap_if_null(ops, sb_post_pivotroot); |
952 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
953 | set_to_cap_if_null(ops, sb_clone_mnt_opts); |
954 | set_to_cap_if_null(ops, sb_parse_opts_str); |
955 | set_to_cap_if_null(ops, inode_alloc_security); |
956 | set_to_cap_if_null(ops, inode_free_security); |
957 | set_to_cap_if_null(ops, inode_init_security); |
958 | set_to_cap_if_null(ops, inode_create); |
959 | set_to_cap_if_null(ops, inode_link); |
960 | set_to_cap_if_null(ops, inode_unlink); |
961 | set_to_cap_if_null(ops, inode_symlink); |
962 | set_to_cap_if_null(ops, inode_mkdir); |
963 | set_to_cap_if_null(ops, inode_rmdir); |
964 | set_to_cap_if_null(ops, inode_mknod); |
965 | set_to_cap_if_null(ops, inode_rename); |
966 | set_to_cap_if_null(ops, inode_readlink); |
967 | set_to_cap_if_null(ops, inode_follow_link); |
968 | set_to_cap_if_null(ops, inode_permission); |
969 | set_to_cap_if_null(ops, inode_setattr); |
970 | set_to_cap_if_null(ops, inode_getattr); |
971 | set_to_cap_if_null(ops, inode_delete); |
972 | set_to_cap_if_null(ops, inode_setxattr); |
973 | set_to_cap_if_null(ops, inode_post_setxattr); |
974 | set_to_cap_if_null(ops, inode_getxattr); |
975 | set_to_cap_if_null(ops, inode_listxattr); |
976 | set_to_cap_if_null(ops, inode_removexattr); |
977 | set_to_cap_if_null(ops, inode_need_killpriv); |
978 | set_to_cap_if_null(ops, inode_killpriv); |
979 | set_to_cap_if_null(ops, inode_getsecurity); |
980 | set_to_cap_if_null(ops, inode_setsecurity); |
981 | set_to_cap_if_null(ops, inode_listsecurity); |
982 | set_to_cap_if_null(ops, inode_getsecid); |
983 | #ifdef CONFIG_SECURITY_PATH |
984 | set_to_cap_if_null(ops, path_mknod); |
985 | set_to_cap_if_null(ops, path_mkdir); |
986 | set_to_cap_if_null(ops, path_rmdir); |
987 | set_to_cap_if_null(ops, path_unlink); |
988 | set_to_cap_if_null(ops, path_symlink); |
989 | set_to_cap_if_null(ops, path_link); |
990 | set_to_cap_if_null(ops, path_rename); |
991 | set_to_cap_if_null(ops, path_truncate); |
992 | set_to_cap_if_null(ops, path_chmod); |
993 | set_to_cap_if_null(ops, path_chown); |
994 | set_to_cap_if_null(ops, path_chroot); |
995 | #endif |
996 | set_to_cap_if_null(ops, file_permission); |
997 | set_to_cap_if_null(ops, file_alloc_security); |
998 | set_to_cap_if_null(ops, file_free_security); |
999 | set_to_cap_if_null(ops, file_ioctl); |
1000 | set_to_cap_if_null(ops, file_mmap); |
1001 | set_to_cap_if_null(ops, file_mprotect); |
1002 | set_to_cap_if_null(ops, file_lock); |
1003 | set_to_cap_if_null(ops, file_fcntl); |
1004 | set_to_cap_if_null(ops, file_set_fowner); |
1005 | set_to_cap_if_null(ops, file_send_sigiotask); |
1006 | set_to_cap_if_null(ops, file_receive); |
1007 | set_to_cap_if_null(ops, dentry_open); |
1008 | set_to_cap_if_null(ops, task_create); |
1009 | set_to_cap_if_null(ops, cred_alloc_blank); |
1010 | set_to_cap_if_null(ops, cred_free); |
1011 | set_to_cap_if_null(ops, cred_prepare); |
1012 | set_to_cap_if_null(ops, cred_commit); |
1013 | set_to_cap_if_null(ops, cred_transfer); |
1014 | set_to_cap_if_null(ops, kernel_act_as); |
1015 | set_to_cap_if_null(ops, kernel_create_files_as); |
1016 | set_to_cap_if_null(ops, kernel_module_request); |
1017 | set_to_cap_if_null(ops, task_setuid); |
1018 | set_to_cap_if_null(ops, task_fix_setuid); |
1019 | set_to_cap_if_null(ops, task_setgid); |
1020 | set_to_cap_if_null(ops, task_setpgid); |
1021 | set_to_cap_if_null(ops, task_getpgid); |
1022 | set_to_cap_if_null(ops, task_getsid); |
1023 | set_to_cap_if_null(ops, task_getsecid); |
1024 | set_to_cap_if_null(ops, task_setgroups); |
1025 | set_to_cap_if_null(ops, task_setnice); |
1026 | set_to_cap_if_null(ops, task_setioprio); |
1027 | set_to_cap_if_null(ops, task_getioprio); |
1028 | set_to_cap_if_null(ops, task_setrlimit); |
1029 | set_to_cap_if_null(ops, task_setscheduler); |
1030 | set_to_cap_if_null(ops, task_getscheduler); |
1031 | set_to_cap_if_null(ops, task_movememory); |
1032 | set_to_cap_if_null(ops, task_wait); |
1033 | set_to_cap_if_null(ops, task_kill); |
1034 | set_to_cap_if_null(ops, task_prctl); |
1035 | set_to_cap_if_null(ops, task_to_inode); |
1036 | set_to_cap_if_null(ops, ipc_permission); |
1037 | set_to_cap_if_null(ops, ipc_getsecid); |
1038 | set_to_cap_if_null(ops, msg_msg_alloc_security); |
1039 | set_to_cap_if_null(ops, msg_msg_free_security); |
1040 | set_to_cap_if_null(ops, msg_queue_alloc_security); |
1041 | set_to_cap_if_null(ops, msg_queue_free_security); |
1042 | set_to_cap_if_null(ops, msg_queue_associate); |
1043 | set_to_cap_if_null(ops, msg_queue_msgctl); |
1044 | set_to_cap_if_null(ops, msg_queue_msgsnd); |
1045 | set_to_cap_if_null(ops, msg_queue_msgrcv); |
1046 | set_to_cap_if_null(ops, shm_alloc_security); |
1047 | set_to_cap_if_null(ops, shm_free_security); |
1048 | set_to_cap_if_null(ops, shm_associate); |
1049 | set_to_cap_if_null(ops, shm_shmctl); |
1050 | set_to_cap_if_null(ops, shm_shmat); |
1051 | set_to_cap_if_null(ops, sem_alloc_security); |
1052 | set_to_cap_if_null(ops, sem_free_security); |
1053 | set_to_cap_if_null(ops, sem_associate); |
1054 | set_to_cap_if_null(ops, sem_semctl); |
1055 | set_to_cap_if_null(ops, sem_semop); |
1056 | set_to_cap_if_null(ops, netlink_send); |
1057 | set_to_cap_if_null(ops, netlink_recv); |
1058 | set_to_cap_if_null(ops, d_instantiate); |
1059 | set_to_cap_if_null(ops, getprocattr); |
1060 | set_to_cap_if_null(ops, setprocattr); |
1061 | set_to_cap_if_null(ops, secid_to_secctx); |
1062 | set_to_cap_if_null(ops, secctx_to_secid); |
1063 | set_to_cap_if_null(ops, release_secctx); |
1064 | set_to_cap_if_null(ops, inode_notifysecctx); |
1065 | set_to_cap_if_null(ops, inode_setsecctx); |
1066 | set_to_cap_if_null(ops, inode_getsecctx); |
1067 | #ifdef CONFIG_SECURITY_NETWORK |
1068 | set_to_cap_if_null(ops, unix_stream_connect); |
1069 | set_to_cap_if_null(ops, unix_may_send); |
1070 | set_to_cap_if_null(ops, socket_create); |
1071 | set_to_cap_if_null(ops, socket_post_create); |
1072 | set_to_cap_if_null(ops, socket_bind); |
1073 | set_to_cap_if_null(ops, socket_connect); |
1074 | set_to_cap_if_null(ops, socket_listen); |
1075 | set_to_cap_if_null(ops, socket_accept); |
1076 | set_to_cap_if_null(ops, socket_sendmsg); |
1077 | set_to_cap_if_null(ops, socket_recvmsg); |
1078 | set_to_cap_if_null(ops, socket_getsockname); |
1079 | set_to_cap_if_null(ops, socket_getpeername); |
1080 | set_to_cap_if_null(ops, socket_setsockopt); |
1081 | set_to_cap_if_null(ops, socket_getsockopt); |
1082 | set_to_cap_if_null(ops, socket_shutdown); |
1083 | set_to_cap_if_null(ops, socket_sock_rcv_skb); |
1084 | set_to_cap_if_null(ops, socket_getpeersec_stream); |
1085 | set_to_cap_if_null(ops, socket_getpeersec_dgram); |
1086 | set_to_cap_if_null(ops, sk_alloc_security); |
1087 | set_to_cap_if_null(ops, sk_free_security); |
1088 | set_to_cap_if_null(ops, sk_clone_security); |
1089 | set_to_cap_if_null(ops, sk_getsecid); |
1090 | set_to_cap_if_null(ops, sock_graft); |
1091 | set_to_cap_if_null(ops, inet_conn_request); |
1092 | set_to_cap_if_null(ops, inet_csk_clone); |
1093 | set_to_cap_if_null(ops, inet_conn_established); |
1094 | set_to_cap_if_null(ops, req_classify_flow); |
1095 | set_to_cap_if_null(ops, tun_dev_create); |
1096 | set_to_cap_if_null(ops, tun_dev_post_create); |
1097 | set_to_cap_if_null(ops, tun_dev_attach); |
1098 | #endif /* CONFIG_SECURITY_NETWORK */ |
1099 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1100 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); |
1101 | set_to_cap_if_null(ops, xfrm_policy_clone_security); |
1102 | set_to_cap_if_null(ops, xfrm_policy_free_security); |
1103 | set_to_cap_if_null(ops, xfrm_policy_delete_security); |
1104 | set_to_cap_if_null(ops, xfrm_state_alloc_security); |
1105 | set_to_cap_if_null(ops, xfrm_state_free_security); |
1106 | set_to_cap_if_null(ops, xfrm_state_delete_security); |
1107 | set_to_cap_if_null(ops, xfrm_policy_lookup); |
1108 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); |
1109 | set_to_cap_if_null(ops, xfrm_decode_session); |
1110 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1111 | #ifdef CONFIG_KEYS |
1112 | set_to_cap_if_null(ops, key_alloc); |
1113 | set_to_cap_if_null(ops, key_free); |
1114 | set_to_cap_if_null(ops, key_permission); |
1115 | set_to_cap_if_null(ops, key_getsecurity); |
1116 | set_to_cap_if_null(ops, key_session_to_parent); |
1117 | #endif /* CONFIG_KEYS */ |
1118 | #ifdef CONFIG_AUDIT |
1119 | set_to_cap_if_null(ops, audit_rule_init); |
1120 | set_to_cap_if_null(ops, audit_rule_known); |
1121 | set_to_cap_if_null(ops, audit_rule_match); |
1122 | set_to_cap_if_null(ops, audit_rule_free); |
1123 | #endif |
1124 | } |
1125 |
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