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