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