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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_syslog(int type) |
16 | { |
17 | return 0; |
18 | } |
19 | |
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 | |
30 | static int cap_bprm_check_security(struct linux_binprm *bprm) |
31 | { |
32 | return 0; |
33 | } |
34 | |
35 | static void cap_bprm_committing_creds(struct linux_binprm *bprm) |
36 | { |
37 | } |
38 | |
39 | static void cap_bprm_committed_creds(struct linux_binprm *bprm) |
40 | { |
41 | } |
42 | |
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 | |
57 | static int cap_sb_remount(struct super_block *sb, void *data) |
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_umount(struct vfsmount *mnt, int flags) |
84 | { |
85 | return 0; |
86 | } |
87 | |
88 | static int cap_sb_pivotroot(struct path *old_path, struct path *new_path) |
89 | { |
90 | return 0; |
91 | } |
92 | |
93 | static int cap_sb_set_mnt_opts(struct super_block *sb, |
94 | struct security_mnt_opts *opts) |
95 | { |
96 | if (unlikely(opts->num_mnt_opts)) |
97 | return -EOPNOTSUPP; |
98 | return 0; |
99 | } |
100 | |
101 | static void cap_sb_clone_mnt_opts(const struct super_block *oldsb, |
102 | struct super_block *newsb) |
103 | { |
104 | } |
105 | |
106 | static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) |
107 | { |
108 | return 0; |
109 | } |
110 | |
111 | static int cap_inode_alloc_security(struct inode *inode) |
112 | { |
113 | return 0; |
114 | } |
115 | |
116 | static void cap_inode_free_security(struct inode *inode) |
117 | { |
118 | } |
119 | |
120 | static int cap_inode_init_security(struct inode *inode, struct inode *dir, |
121 | const struct qstr *qstr, char **name, |
122 | void **value, size_t *len) |
123 | { |
124 | return -EOPNOTSUPP; |
125 | } |
126 | |
127 | static int cap_inode_create(struct inode *inode, struct dentry *dentry, |
128 | umode_t mask) |
129 | { |
130 | return 0; |
131 | } |
132 | |
133 | static int cap_inode_link(struct dentry *old_dentry, struct inode *inode, |
134 | struct dentry *new_dentry) |
135 | { |
136 | return 0; |
137 | } |
138 | |
139 | static int cap_inode_unlink(struct inode *inode, struct dentry *dentry) |
140 | { |
141 | return 0; |
142 | } |
143 | |
144 | static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, |
145 | const char *name) |
146 | { |
147 | return 0; |
148 | } |
149 | |
150 | static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, |
151 | umode_t mask) |
152 | { |
153 | return 0; |
154 | } |
155 | |
156 | static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) |
157 | { |
158 | return 0; |
159 | } |
160 | |
161 | static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, |
162 | umode_t mode, dev_t dev) |
163 | { |
164 | return 0; |
165 | } |
166 | |
167 | static int cap_inode_rename(struct inode *old_inode, struct dentry *old_dentry, |
168 | struct inode *new_inode, struct dentry *new_dentry) |
169 | { |
170 | return 0; |
171 | } |
172 | |
173 | static int cap_inode_readlink(struct dentry *dentry) |
174 | { |
175 | return 0; |
176 | } |
177 | |
178 | static int cap_inode_follow_link(struct dentry *dentry, |
179 | struct nameidata *nameidata) |
180 | { |
181 | return 0; |
182 | } |
183 | |
184 | static int cap_inode_permission(struct inode *inode, int mask) |
185 | { |
186 | return 0; |
187 | } |
188 | |
189 | static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr) |
190 | { |
191 | return 0; |
192 | } |
193 | |
194 | static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) |
195 | { |
196 | return 0; |
197 | } |
198 | |
199 | static void cap_inode_post_setxattr(struct dentry *dentry, const char *name, |
200 | const void *value, size_t size, int flags) |
201 | { |
202 | } |
203 | |
204 | static int cap_inode_getxattr(struct dentry *dentry, const char *name) |
205 | { |
206 | return 0; |
207 | } |
208 | |
209 | static int cap_inode_listxattr(struct dentry *dentry) |
210 | { |
211 | return 0; |
212 | } |
213 | |
214 | static int cap_inode_getsecurity(const struct inode *inode, const char *name, |
215 | void **buffer, bool alloc) |
216 | { |
217 | return -EOPNOTSUPP; |
218 | } |
219 | |
220 | static int cap_inode_setsecurity(struct inode *inode, const char *name, |
221 | const void *value, size_t size, int flags) |
222 | { |
223 | return -EOPNOTSUPP; |
224 | } |
225 | |
226 | static int cap_inode_listsecurity(struct inode *inode, char *buffer, |
227 | size_t buffer_size) |
228 | { |
229 | return 0; |
230 | } |
231 | |
232 | static void cap_inode_getsecid(const struct inode *inode, u32 *secid) |
233 | { |
234 | *secid = 0; |
235 | } |
236 | |
237 | #ifdef CONFIG_SECURITY_PATH |
238 | static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, |
239 | unsigned int dev) |
240 | { |
241 | return 0; |
242 | } |
243 | |
244 | static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) |
245 | { |
246 | return 0; |
247 | } |
248 | |
249 | static int cap_path_rmdir(struct path *dir, struct dentry *dentry) |
250 | { |
251 | return 0; |
252 | } |
253 | |
254 | static int cap_path_unlink(struct path *dir, struct dentry *dentry) |
255 | { |
256 | return 0; |
257 | } |
258 | |
259 | static int cap_path_symlink(struct path *dir, struct dentry *dentry, |
260 | const char *old_name) |
261 | { |
262 | return 0; |
263 | } |
264 | |
265 | static int cap_path_link(struct dentry *old_dentry, struct path *new_dir, |
266 | struct dentry *new_dentry) |
267 | { |
268 | return 0; |
269 | } |
270 | |
271 | static int cap_path_rename(struct path *old_path, struct dentry *old_dentry, |
272 | struct path *new_path, struct dentry *new_dentry) |
273 | { |
274 | return 0; |
275 | } |
276 | |
277 | static int cap_path_truncate(struct path *path) |
278 | { |
279 | return 0; |
280 | } |
281 | |
282 | static int cap_path_chmod(struct path *path, umode_t mode) |
283 | { |
284 | return 0; |
285 | } |
286 | |
287 | static int cap_path_chown(struct path *path, uid_t uid, gid_t gid) |
288 | { |
289 | return 0; |
290 | } |
291 | |
292 | static int cap_path_chroot(struct path *root) |
293 | { |
294 | return 0; |
295 | } |
296 | #endif |
297 | |
298 | static int cap_file_permission(struct file *file, int mask) |
299 | { |
300 | return 0; |
301 | } |
302 | |
303 | static int cap_file_alloc_security(struct file *file) |
304 | { |
305 | return 0; |
306 | } |
307 | |
308 | static void cap_file_free_security(struct file *file) |
309 | { |
310 | } |
311 | |
312 | static int cap_file_ioctl(struct file *file, unsigned int command, |
313 | unsigned long arg) |
314 | { |
315 | return 0; |
316 | } |
317 | |
318 | static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, |
319 | unsigned long prot) |
320 | { |
321 | return 0; |
322 | } |
323 | |
324 | static int cap_file_lock(struct file *file, unsigned int cmd) |
325 | { |
326 | return 0; |
327 | } |
328 | |
329 | static int cap_file_fcntl(struct file *file, unsigned int cmd, |
330 | unsigned long arg) |
331 | { |
332 | return 0; |
333 | } |
334 | |
335 | static int cap_file_set_fowner(struct file *file) |
336 | { |
337 | return 0; |
338 | } |
339 | |
340 | static int cap_file_send_sigiotask(struct task_struct *tsk, |
341 | struct fown_struct *fown, int sig) |
342 | { |
343 | return 0; |
344 | } |
345 | |
346 | static int cap_file_receive(struct file *file) |
347 | { |
348 | return 0; |
349 | } |
350 | |
351 | static int cap_file_open(struct file *file, const struct cred *cred) |
352 | { |
353 | return 0; |
354 | } |
355 | |
356 | static int cap_task_create(unsigned long clone_flags) |
357 | { |
358 | return 0; |
359 | } |
360 | |
361 | static void cap_task_free(struct task_struct *task) |
362 | { |
363 | } |
364 | |
365 | static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp) |
366 | { |
367 | return 0; |
368 | } |
369 | |
370 | static void cap_cred_free(struct cred *cred) |
371 | { |
372 | } |
373 | |
374 | static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp) |
375 | { |
376 | return 0; |
377 | } |
378 | |
379 | static void cap_cred_transfer(struct cred *new, const struct cred *old) |
380 | { |
381 | } |
382 | |
383 | static int cap_kernel_act_as(struct cred *new, u32 secid) |
384 | { |
385 | return 0; |
386 | } |
387 | |
388 | static int cap_kernel_create_files_as(struct cred *new, struct inode *inode) |
389 | { |
390 | return 0; |
391 | } |
392 | |
393 | static int cap_kernel_module_request(char *kmod_name) |
394 | { |
395 | return 0; |
396 | } |
397 | |
398 | static int cap_task_setpgid(struct task_struct *p, pid_t pgid) |
399 | { |
400 | return 0; |
401 | } |
402 | |
403 | static int cap_task_getpgid(struct task_struct *p) |
404 | { |
405 | return 0; |
406 | } |
407 | |
408 | static int cap_task_getsid(struct task_struct *p) |
409 | { |
410 | return 0; |
411 | } |
412 | |
413 | static void cap_task_getsecid(struct task_struct *p, u32 *secid) |
414 | { |
415 | *secid = 0; |
416 | } |
417 | |
418 | static int cap_task_getioprio(struct task_struct *p) |
419 | { |
420 | return 0; |
421 | } |
422 | |
423 | static int cap_task_setrlimit(struct task_struct *p, unsigned int resource, |
424 | struct rlimit *new_rlim) |
425 | { |
426 | return 0; |
427 | } |
428 | |
429 | static int cap_task_getscheduler(struct task_struct *p) |
430 | { |
431 | return 0; |
432 | } |
433 | |
434 | static int cap_task_movememory(struct task_struct *p) |
435 | { |
436 | return 0; |
437 | } |
438 | |
439 | static int cap_task_wait(struct task_struct *p) |
440 | { |
441 | return 0; |
442 | } |
443 | |
444 | static int cap_task_kill(struct task_struct *p, struct siginfo *info, |
445 | int sig, u32 secid) |
446 | { |
447 | return 0; |
448 | } |
449 | |
450 | static void cap_task_to_inode(struct task_struct *p, struct inode *inode) |
451 | { |
452 | } |
453 | |
454 | static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag) |
455 | { |
456 | return 0; |
457 | } |
458 | |
459 | static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
460 | { |
461 | *secid = 0; |
462 | } |
463 | |
464 | static int cap_msg_msg_alloc_security(struct msg_msg *msg) |
465 | { |
466 | return 0; |
467 | } |
468 | |
469 | static void cap_msg_msg_free_security(struct msg_msg *msg) |
470 | { |
471 | } |
472 | |
473 | static int cap_msg_queue_alloc_security(struct msg_queue *msq) |
474 | { |
475 | return 0; |
476 | } |
477 | |
478 | static void cap_msg_queue_free_security(struct msg_queue *msq) |
479 | { |
480 | } |
481 | |
482 | static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg) |
483 | { |
484 | return 0; |
485 | } |
486 | |
487 | static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd) |
488 | { |
489 | return 0; |
490 | } |
491 | |
492 | static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg, |
493 | int msgflg) |
494 | { |
495 | return 0; |
496 | } |
497 | |
498 | static int cap_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, |
499 | struct task_struct *target, long type, int mode) |
500 | { |
501 | return 0; |
502 | } |
503 | |
504 | static int cap_shm_alloc_security(struct shmid_kernel *shp) |
505 | { |
506 | return 0; |
507 | } |
508 | |
509 | static void cap_shm_free_security(struct shmid_kernel *shp) |
510 | { |
511 | } |
512 | |
513 | static int cap_shm_associate(struct shmid_kernel *shp, int shmflg) |
514 | { |
515 | return 0; |
516 | } |
517 | |
518 | static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd) |
519 | { |
520 | return 0; |
521 | } |
522 | |
523 | static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, |
524 | int shmflg) |
525 | { |
526 | return 0; |
527 | } |
528 | |
529 | static int cap_sem_alloc_security(struct sem_array *sma) |
530 | { |
531 | return 0; |
532 | } |
533 | |
534 | static void cap_sem_free_security(struct sem_array *sma) |
535 | { |
536 | } |
537 | |
538 | static int cap_sem_associate(struct sem_array *sma, int semflg) |
539 | { |
540 | return 0; |
541 | } |
542 | |
543 | static int cap_sem_semctl(struct sem_array *sma, int cmd) |
544 | { |
545 | return 0; |
546 | } |
547 | |
548 | static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops, |
549 | unsigned nsops, int alter) |
550 | { |
551 | return 0; |
552 | } |
553 | |
554 | #ifdef CONFIG_SECURITY_NETWORK |
555 | static int cap_unix_stream_connect(struct sock *sock, struct sock *other, |
556 | struct sock *newsk) |
557 | { |
558 | return 0; |
559 | } |
560 | |
561 | static int cap_unix_may_send(struct socket *sock, struct socket *other) |
562 | { |
563 | return 0; |
564 | } |
565 | |
566 | static int cap_socket_create(int family, int type, int protocol, int kern) |
567 | { |
568 | return 0; |
569 | } |
570 | |
571 | static int cap_socket_post_create(struct socket *sock, int family, int type, |
572 | int protocol, int kern) |
573 | { |
574 | return 0; |
575 | } |
576 | |
577 | static int cap_socket_bind(struct socket *sock, struct sockaddr *address, |
578 | int addrlen) |
579 | { |
580 | return 0; |
581 | } |
582 | |
583 | static int cap_socket_connect(struct socket *sock, struct sockaddr *address, |
584 | int addrlen) |
585 | { |
586 | return 0; |
587 | } |
588 | |
589 | static int cap_socket_listen(struct socket *sock, int backlog) |
590 | { |
591 | return 0; |
592 | } |
593 | |
594 | static int cap_socket_accept(struct socket *sock, struct socket *newsock) |
595 | { |
596 | return 0; |
597 | } |
598 | |
599 | static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size) |
600 | { |
601 | return 0; |
602 | } |
603 | |
604 | static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg, |
605 | int size, int flags) |
606 | { |
607 | return 0; |
608 | } |
609 | |
610 | static int cap_socket_getsockname(struct socket *sock) |
611 | { |
612 | return 0; |
613 | } |
614 | |
615 | static int cap_socket_getpeername(struct socket *sock) |
616 | { |
617 | return 0; |
618 | } |
619 | |
620 | static int cap_socket_setsockopt(struct socket *sock, int level, int optname) |
621 | { |
622 | return 0; |
623 | } |
624 | |
625 | static int cap_socket_getsockopt(struct socket *sock, int level, int optname) |
626 | { |
627 | return 0; |
628 | } |
629 | |
630 | static int cap_socket_shutdown(struct socket *sock, int how) |
631 | { |
632 | return 0; |
633 | } |
634 | |
635 | static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb) |
636 | { |
637 | return 0; |
638 | } |
639 | |
640 | static int cap_socket_getpeersec_stream(struct socket *sock, |
641 | char __user *optval, |
642 | int __user *optlen, unsigned len) |
643 | { |
644 | return -ENOPROTOOPT; |
645 | } |
646 | |
647 | static int cap_socket_getpeersec_dgram(struct socket *sock, |
648 | struct sk_buff *skb, u32 *secid) |
649 | { |
650 | return -ENOPROTOOPT; |
651 | } |
652 | |
653 | static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority) |
654 | { |
655 | return 0; |
656 | } |
657 | |
658 | static void cap_sk_free_security(struct sock *sk) |
659 | { |
660 | } |
661 | |
662 | static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk) |
663 | { |
664 | } |
665 | |
666 | static void cap_sk_getsecid(struct sock *sk, u32 *secid) |
667 | { |
668 | } |
669 | |
670 | static void cap_sock_graft(struct sock *sk, struct socket *parent) |
671 | { |
672 | } |
673 | |
674 | static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb, |
675 | struct request_sock *req) |
676 | { |
677 | return 0; |
678 | } |
679 | |
680 | static void cap_inet_csk_clone(struct sock *newsk, |
681 | const struct request_sock *req) |
682 | { |
683 | } |
684 | |
685 | static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb) |
686 | { |
687 | } |
688 | |
689 | static int cap_secmark_relabel_packet(u32 secid) |
690 | { |
691 | return 0; |
692 | } |
693 | |
694 | static void cap_secmark_refcount_inc(void) |
695 | { |
696 | } |
697 | |
698 | static void cap_secmark_refcount_dec(void) |
699 | { |
700 | } |
701 | |
702 | static void cap_req_classify_flow(const struct request_sock *req, |
703 | struct flowi *fl) |
704 | { |
705 | } |
706 | |
707 | static int cap_tun_dev_create(void) |
708 | { |
709 | return 0; |
710 | } |
711 | |
712 | static void cap_tun_dev_post_create(struct sock *sk) |
713 | { |
714 | } |
715 | |
716 | static int cap_tun_dev_attach(struct sock *sk) |
717 | { |
718 | return 0; |
719 | } |
720 | #endif /* CONFIG_SECURITY_NETWORK */ |
721 | |
722 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
723 | static int cap_xfrm_policy_alloc_security(struct xfrm_sec_ctx **ctxp, |
724 | struct xfrm_user_sec_ctx *sec_ctx) |
725 | { |
726 | return 0; |
727 | } |
728 | |
729 | static int cap_xfrm_policy_clone_security(struct xfrm_sec_ctx *old_ctx, |
730 | struct xfrm_sec_ctx **new_ctxp) |
731 | { |
732 | return 0; |
733 | } |
734 | |
735 | static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx) |
736 | { |
737 | } |
738 | |
739 | static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx) |
740 | { |
741 | return 0; |
742 | } |
743 | |
744 | static int cap_xfrm_state_alloc_security(struct xfrm_state *x, |
745 | struct xfrm_user_sec_ctx *sec_ctx, |
746 | u32 secid) |
747 | { |
748 | return 0; |
749 | } |
750 | |
751 | static void cap_xfrm_state_free_security(struct xfrm_state *x) |
752 | { |
753 | } |
754 | |
755 | static int cap_xfrm_state_delete_security(struct xfrm_state *x) |
756 | { |
757 | return 0; |
758 | } |
759 | |
760 | static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir) |
761 | { |
762 | return 0; |
763 | } |
764 | |
765 | static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x, |
766 | struct xfrm_policy *xp, |
767 | const struct flowi *fl) |
768 | { |
769 | return 1; |
770 | } |
771 | |
772 | static int cap_xfrm_decode_session(struct sk_buff *skb, u32 *fl, int ckall) |
773 | { |
774 | return 0; |
775 | } |
776 | |
777 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
778 | static void cap_d_instantiate(struct dentry *dentry, struct inode *inode) |
779 | { |
780 | } |
781 | |
782 | static int cap_getprocattr(struct task_struct *p, char *name, char **value) |
783 | { |
784 | return -EINVAL; |
785 | } |
786 | |
787 | static int cap_setprocattr(struct task_struct *p, char *name, void *value, |
788 | size_t size) |
789 | { |
790 | return -EINVAL; |
791 | } |
792 | |
793 | static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
794 | { |
795 | return -EOPNOTSUPP; |
796 | } |
797 | |
798 | static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid) |
799 | { |
800 | *secid = 0; |
801 | return 0; |
802 | } |
803 | |
804 | static void cap_release_secctx(char *secdata, u32 seclen) |
805 | { |
806 | } |
807 | |
808 | static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen) |
809 | { |
810 | return 0; |
811 | } |
812 | |
813 | static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen) |
814 | { |
815 | return 0; |
816 | } |
817 | |
818 | static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) |
819 | { |
820 | return 0; |
821 | } |
822 | #ifdef CONFIG_KEYS |
823 | static int cap_key_alloc(struct key *key, const struct cred *cred, |
824 | unsigned long flags) |
825 | { |
826 | return 0; |
827 | } |
828 | |
829 | static void cap_key_free(struct key *key) |
830 | { |
831 | } |
832 | |
833 | static int cap_key_permission(key_ref_t key_ref, const struct cred *cred, |
834 | key_perm_t perm) |
835 | { |
836 | return 0; |
837 | } |
838 | |
839 | static int cap_key_getsecurity(struct key *key, char **_buffer) |
840 | { |
841 | *_buffer = NULL; |
842 | return 0; |
843 | } |
844 | |
845 | #endif /* CONFIG_KEYS */ |
846 | |
847 | #ifdef CONFIG_AUDIT |
848 | static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule) |
849 | { |
850 | return 0; |
851 | } |
852 | |
853 | static int cap_audit_rule_known(struct audit_krule *krule) |
854 | { |
855 | return 0; |
856 | } |
857 | |
858 | static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, |
859 | struct audit_context *actx) |
860 | { |
861 | return 0; |
862 | } |
863 | |
864 | static void cap_audit_rule_free(void *lsmrule) |
865 | { |
866 | } |
867 | #endif /* CONFIG_AUDIT */ |
868 | |
869 | #define set_to_cap_if_null(ops, function) \ |
870 | do { \ |
871 | if (!ops->function) { \ |
872 | ops->function = cap_##function; \ |
873 | pr_debug("Had to override the " #function \ |
874 | " security operation with the default.\n");\ |
875 | } \ |
876 | } while (0) |
877 | |
878 | void __init security_fixup_ops(struct security_operations *ops) |
879 | { |
880 | set_to_cap_if_null(ops, ptrace_access_check); |
881 | set_to_cap_if_null(ops, ptrace_traceme); |
882 | set_to_cap_if_null(ops, capget); |
883 | set_to_cap_if_null(ops, capset); |
884 | set_to_cap_if_null(ops, capable); |
885 | set_to_cap_if_null(ops, quotactl); |
886 | set_to_cap_if_null(ops, quota_on); |
887 | set_to_cap_if_null(ops, syslog); |
888 | set_to_cap_if_null(ops, settime); |
889 | set_to_cap_if_null(ops, vm_enough_memory); |
890 | set_to_cap_if_null(ops, bprm_set_creds); |
891 | set_to_cap_if_null(ops, bprm_committing_creds); |
892 | set_to_cap_if_null(ops, bprm_committed_creds); |
893 | set_to_cap_if_null(ops, bprm_check_security); |
894 | set_to_cap_if_null(ops, bprm_secureexec); |
895 | set_to_cap_if_null(ops, sb_alloc_security); |
896 | set_to_cap_if_null(ops, sb_free_security); |
897 | set_to_cap_if_null(ops, sb_copy_data); |
898 | set_to_cap_if_null(ops, sb_remount); |
899 | set_to_cap_if_null(ops, sb_kern_mount); |
900 | set_to_cap_if_null(ops, sb_show_options); |
901 | set_to_cap_if_null(ops, sb_statfs); |
902 | set_to_cap_if_null(ops, sb_mount); |
903 | set_to_cap_if_null(ops, sb_umount); |
904 | set_to_cap_if_null(ops, sb_pivotroot); |
905 | set_to_cap_if_null(ops, sb_set_mnt_opts); |
906 | set_to_cap_if_null(ops, sb_clone_mnt_opts); |
907 | set_to_cap_if_null(ops, sb_parse_opts_str); |
908 | set_to_cap_if_null(ops, inode_alloc_security); |
909 | set_to_cap_if_null(ops, inode_free_security); |
910 | set_to_cap_if_null(ops, inode_init_security); |
911 | set_to_cap_if_null(ops, inode_create); |
912 | set_to_cap_if_null(ops, inode_link); |
913 | set_to_cap_if_null(ops, inode_unlink); |
914 | set_to_cap_if_null(ops, inode_symlink); |
915 | set_to_cap_if_null(ops, inode_mkdir); |
916 | set_to_cap_if_null(ops, inode_rmdir); |
917 | set_to_cap_if_null(ops, inode_mknod); |
918 | set_to_cap_if_null(ops, inode_rename); |
919 | set_to_cap_if_null(ops, inode_readlink); |
920 | set_to_cap_if_null(ops, inode_follow_link); |
921 | set_to_cap_if_null(ops, inode_permission); |
922 | set_to_cap_if_null(ops, inode_setattr); |
923 | set_to_cap_if_null(ops, inode_getattr); |
924 | set_to_cap_if_null(ops, inode_setxattr); |
925 | set_to_cap_if_null(ops, inode_post_setxattr); |
926 | set_to_cap_if_null(ops, inode_getxattr); |
927 | set_to_cap_if_null(ops, inode_listxattr); |
928 | set_to_cap_if_null(ops, inode_removexattr); |
929 | set_to_cap_if_null(ops, inode_need_killpriv); |
930 | set_to_cap_if_null(ops, inode_killpriv); |
931 | set_to_cap_if_null(ops, inode_getsecurity); |
932 | set_to_cap_if_null(ops, inode_setsecurity); |
933 | set_to_cap_if_null(ops, inode_listsecurity); |
934 | set_to_cap_if_null(ops, inode_getsecid); |
935 | #ifdef CONFIG_SECURITY_PATH |
936 | set_to_cap_if_null(ops, path_mknod); |
937 | set_to_cap_if_null(ops, path_mkdir); |
938 | set_to_cap_if_null(ops, path_rmdir); |
939 | set_to_cap_if_null(ops, path_unlink); |
940 | set_to_cap_if_null(ops, path_symlink); |
941 | set_to_cap_if_null(ops, path_link); |
942 | set_to_cap_if_null(ops, path_rename); |
943 | set_to_cap_if_null(ops, path_truncate); |
944 | set_to_cap_if_null(ops, path_chmod); |
945 | set_to_cap_if_null(ops, path_chown); |
946 | set_to_cap_if_null(ops, path_chroot); |
947 | #endif |
948 | set_to_cap_if_null(ops, file_permission); |
949 | set_to_cap_if_null(ops, file_alloc_security); |
950 | set_to_cap_if_null(ops, file_free_security); |
951 | set_to_cap_if_null(ops, file_ioctl); |
952 | set_to_cap_if_null(ops, mmap_addr); |
953 | set_to_cap_if_null(ops, mmap_file); |
954 | set_to_cap_if_null(ops, file_mprotect); |
955 | set_to_cap_if_null(ops, file_lock); |
956 | set_to_cap_if_null(ops, file_fcntl); |
957 | set_to_cap_if_null(ops, file_set_fowner); |
958 | set_to_cap_if_null(ops, file_send_sigiotask); |
959 | set_to_cap_if_null(ops, file_receive); |
960 | set_to_cap_if_null(ops, file_open); |
961 | set_to_cap_if_null(ops, task_create); |
962 | set_to_cap_if_null(ops, task_free); |
963 | set_to_cap_if_null(ops, cred_alloc_blank); |
964 | set_to_cap_if_null(ops, cred_free); |
965 | set_to_cap_if_null(ops, cred_prepare); |
966 | set_to_cap_if_null(ops, cred_transfer); |
967 | set_to_cap_if_null(ops, kernel_act_as); |
968 | set_to_cap_if_null(ops, kernel_create_files_as); |
969 | set_to_cap_if_null(ops, kernel_module_request); |
970 | set_to_cap_if_null(ops, task_fix_setuid); |
971 | set_to_cap_if_null(ops, task_setpgid); |
972 | set_to_cap_if_null(ops, task_getpgid); |
973 | set_to_cap_if_null(ops, task_getsid); |
974 | set_to_cap_if_null(ops, task_getsecid); |
975 | set_to_cap_if_null(ops, task_setnice); |
976 | set_to_cap_if_null(ops, task_setioprio); |
977 | set_to_cap_if_null(ops, task_getioprio); |
978 | set_to_cap_if_null(ops, task_setrlimit); |
979 | set_to_cap_if_null(ops, task_setscheduler); |
980 | set_to_cap_if_null(ops, task_getscheduler); |
981 | set_to_cap_if_null(ops, task_movememory); |
982 | set_to_cap_if_null(ops, task_wait); |
983 | set_to_cap_if_null(ops, task_kill); |
984 | set_to_cap_if_null(ops, task_prctl); |
985 | set_to_cap_if_null(ops, task_to_inode); |
986 | set_to_cap_if_null(ops, ipc_permission); |
987 | set_to_cap_if_null(ops, ipc_getsecid); |
988 | set_to_cap_if_null(ops, msg_msg_alloc_security); |
989 | set_to_cap_if_null(ops, msg_msg_free_security); |
990 | set_to_cap_if_null(ops, msg_queue_alloc_security); |
991 | set_to_cap_if_null(ops, msg_queue_free_security); |
992 | set_to_cap_if_null(ops, msg_queue_associate); |
993 | set_to_cap_if_null(ops, msg_queue_msgctl); |
994 | set_to_cap_if_null(ops, msg_queue_msgsnd); |
995 | set_to_cap_if_null(ops, msg_queue_msgrcv); |
996 | set_to_cap_if_null(ops, shm_alloc_security); |
997 | set_to_cap_if_null(ops, shm_free_security); |
998 | set_to_cap_if_null(ops, shm_associate); |
999 | set_to_cap_if_null(ops, shm_shmctl); |
1000 | set_to_cap_if_null(ops, shm_shmat); |
1001 | set_to_cap_if_null(ops, sem_alloc_security); |
1002 | set_to_cap_if_null(ops, sem_free_security); |
1003 | set_to_cap_if_null(ops, sem_associate); |
1004 | set_to_cap_if_null(ops, sem_semctl); |
1005 | set_to_cap_if_null(ops, sem_semop); |
1006 | set_to_cap_if_null(ops, netlink_send); |
1007 | set_to_cap_if_null(ops, d_instantiate); |
1008 | set_to_cap_if_null(ops, getprocattr); |
1009 | set_to_cap_if_null(ops, setprocattr); |
1010 | set_to_cap_if_null(ops, secid_to_secctx); |
1011 | set_to_cap_if_null(ops, secctx_to_secid); |
1012 | set_to_cap_if_null(ops, release_secctx); |
1013 | set_to_cap_if_null(ops, inode_notifysecctx); |
1014 | set_to_cap_if_null(ops, inode_setsecctx); |
1015 | set_to_cap_if_null(ops, inode_getsecctx); |
1016 | #ifdef CONFIG_SECURITY_NETWORK |
1017 | set_to_cap_if_null(ops, unix_stream_connect); |
1018 | set_to_cap_if_null(ops, unix_may_send); |
1019 | set_to_cap_if_null(ops, socket_create); |
1020 | set_to_cap_if_null(ops, socket_post_create); |
1021 | set_to_cap_if_null(ops, socket_bind); |
1022 | set_to_cap_if_null(ops, socket_connect); |
1023 | set_to_cap_if_null(ops, socket_listen); |
1024 | set_to_cap_if_null(ops, socket_accept); |
1025 | set_to_cap_if_null(ops, socket_sendmsg); |
1026 | set_to_cap_if_null(ops, socket_recvmsg); |
1027 | set_to_cap_if_null(ops, socket_getsockname); |
1028 | set_to_cap_if_null(ops, socket_getpeername); |
1029 | set_to_cap_if_null(ops, socket_setsockopt); |
1030 | set_to_cap_if_null(ops, socket_getsockopt); |
1031 | set_to_cap_if_null(ops, socket_shutdown); |
1032 | set_to_cap_if_null(ops, socket_sock_rcv_skb); |
1033 | set_to_cap_if_null(ops, socket_getpeersec_stream); |
1034 | set_to_cap_if_null(ops, socket_getpeersec_dgram); |
1035 | set_to_cap_if_null(ops, sk_alloc_security); |
1036 | set_to_cap_if_null(ops, sk_free_security); |
1037 | set_to_cap_if_null(ops, sk_clone_security); |
1038 | set_to_cap_if_null(ops, sk_getsecid); |
1039 | set_to_cap_if_null(ops, sock_graft); |
1040 | set_to_cap_if_null(ops, inet_conn_request); |
1041 | set_to_cap_if_null(ops, inet_csk_clone); |
1042 | set_to_cap_if_null(ops, inet_conn_established); |
1043 | set_to_cap_if_null(ops, secmark_relabel_packet); |
1044 | set_to_cap_if_null(ops, secmark_refcount_inc); |
1045 | set_to_cap_if_null(ops, secmark_refcount_dec); |
1046 | set_to_cap_if_null(ops, req_classify_flow); |
1047 | set_to_cap_if_null(ops, tun_dev_create); |
1048 | set_to_cap_if_null(ops, tun_dev_post_create); |
1049 | set_to_cap_if_null(ops, tun_dev_attach); |
1050 | #endif /* CONFIG_SECURITY_NETWORK */ |
1051 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
1052 | set_to_cap_if_null(ops, xfrm_policy_alloc_security); |
1053 | set_to_cap_if_null(ops, xfrm_policy_clone_security); |
1054 | set_to_cap_if_null(ops, xfrm_policy_free_security); |
1055 | set_to_cap_if_null(ops, xfrm_policy_delete_security); |
1056 | set_to_cap_if_null(ops, xfrm_state_alloc_security); |
1057 | set_to_cap_if_null(ops, xfrm_state_free_security); |
1058 | set_to_cap_if_null(ops, xfrm_state_delete_security); |
1059 | set_to_cap_if_null(ops, xfrm_policy_lookup); |
1060 | set_to_cap_if_null(ops, xfrm_state_pol_flow_match); |
1061 | set_to_cap_if_null(ops, xfrm_decode_session); |
1062 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1063 | #ifdef CONFIG_KEYS |
1064 | set_to_cap_if_null(ops, key_alloc); |
1065 | set_to_cap_if_null(ops, key_free); |
1066 | set_to_cap_if_null(ops, key_permission); |
1067 | set_to_cap_if_null(ops, key_getsecurity); |
1068 | #endif /* CONFIG_KEYS */ |
1069 | #ifdef CONFIG_AUDIT |
1070 | set_to_cap_if_null(ops, audit_rule_init); |
1071 | set_to_cap_if_null(ops, audit_rule_known); |
1072 | set_to_cap_if_null(ops, audit_rule_match); |
1073 | set_to_cap_if_null(ops, audit_rule_free); |
1074 | #endif |
1075 | } |
1076 |
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