blob: 3b5883b7179f4ca3c848c912f692a5e9bc50dc2b [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Capabilities Linux Security Module
3 *
Miklos Szeredi5915eb52008-07-03 20:56:05 +02004 * This is the default security module in case no other module is loaded.
5 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070013#include <linux/security.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
Eric Paris12b30522010-11-15 18:36:29 -050015static int cap_syslog(int type)
16{
17 return 0;
18}
19
Miklos Szeredi5915eb52008-07-03 20:56:05 +020020static int cap_quotactl(int cmds, int type, int id, struct super_block *sb)
21{
22 return 0;
23}
24
25static int cap_quota_on(struct dentry *dentry)
26{
27 return 0;
28}
29
Chihau Chaudce3a3d2010-07-16 12:11:54 -040030static int cap_bprm_check_security(struct linux_binprm *bprm)
Miklos Szeredi5915eb52008-07-03 20:56:05 +020031{
32 return 0;
33}
34
David Howellsa6f76f22008-11-14 10:39:24 +110035static void cap_bprm_committing_creds(struct linux_binprm *bprm)
Miklos Szeredi5915eb52008-07-03 20:56:05 +020036{
37}
38
David Howellsa6f76f22008-11-14 10:39:24 +110039static void cap_bprm_committed_creds(struct linux_binprm *bprm)
Miklos Szeredi5915eb52008-07-03 20:56:05 +020040{
41}
42
Miklos Szeredi5915eb52008-07-03 20:56:05 +020043static int cap_sb_alloc_security(struct super_block *sb)
44{
45 return 0;
46}
47
48static void cap_sb_free_security(struct super_block *sb)
49{
50}
51
52static int cap_sb_copy_data(char *orig, char *copy)
53{
54 return 0;
55}
56
Eric Parisff36fe22011-03-03 16:09:14 -050057static int cap_sb_remount(struct super_block *sb, void *data)
58{
59 return 0;
60}
61
James Morris12204e22008-12-19 10:44:42 +110062static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
Miklos Szeredi5915eb52008-07-03 20:56:05 +020063{
64 return 0;
65}
66
67static int cap_sb_show_options(struct seq_file *m, struct super_block *sb)
68{
69 return 0;
70}
71
72static int cap_sb_statfs(struct dentry *dentry)
73{
74 return 0;
75}
76
77static int cap_sb_mount(char *dev_name, struct path *path, char *type,
78 unsigned long flags, void *data)
79{
80 return 0;
81}
82
Miklos Szeredi5915eb52008-07-03 20:56:05 +020083static int cap_sb_umount(struct vfsmount *mnt, int flags)
84{
85 return 0;
86}
87
Miklos Szeredi5915eb52008-07-03 20:56:05 +020088static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
89{
90 return 0;
91}
92
Miklos Szeredi5915eb52008-07-03 20:56:05 +020093static 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
101static void cap_sb_clone_mnt_opts(const struct super_block *oldsb,
102 struct super_block *newsb)
103{
104}
105
106static int cap_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
107{
108 return 0;
109}
110
111static int cap_inode_alloc_security(struct inode *inode)
112{
113 return 0;
114}
115
116static void cap_inode_free_security(struct inode *inode)
117{
118}
119
120static int cap_inode_init_security(struct inode *inode, struct inode *dir,
Eric Paris2a7dba32011-02-01 11:05:39 -0500121 const struct qstr *qstr, char **name,
122 void **value, size_t *len)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200123{
124 return -EOPNOTSUPP;
125}
126
127static int cap_inode_create(struct inode *inode, struct dentry *dentry,
Al Viro4acdaf22011-07-26 01:42:34 -0400128 umode_t mask)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200129{
130 return 0;
131}
132
133static int cap_inode_link(struct dentry *old_dentry, struct inode *inode,
134 struct dentry *new_dentry)
135{
136 return 0;
137}
138
139static int cap_inode_unlink(struct inode *inode, struct dentry *dentry)
140{
141 return 0;
142}
143
144static int cap_inode_symlink(struct inode *inode, struct dentry *dentry,
145 const char *name)
146{
147 return 0;
148}
149
150static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry,
Al Viro18bb1db2011-07-26 01:41:39 -0400151 umode_t mask)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200152{
153 return 0;
154}
155
156static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry)
157{
158 return 0;
159}
160
161static int cap_inode_mknod(struct inode *inode, struct dentry *dentry,
Al Viro1a67aaf2011-07-26 01:52:52 -0400162 umode_t mode, dev_t dev)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200163{
164 return 0;
165}
166
167static 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
173static int cap_inode_readlink(struct dentry *dentry)
174{
175 return 0;
176}
177
178static int cap_inode_follow_link(struct dentry *dentry,
179 struct nameidata *nameidata)
180{
181 return 0;
182}
183
Al Viroe74f71e2011-06-20 19:38:15 -0400184static int cap_inode_permission(struct inode *inode, int mask)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200185{
186 return 0;
187}
188
189static int cap_inode_setattr(struct dentry *dentry, struct iattr *iattr)
190{
191 return 0;
192}
193
194static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
195{
196 return 0;
197}
198
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200199static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
200 const void *value, size_t size, int flags)
201{
202}
203
204static int cap_inode_getxattr(struct dentry *dentry, const char *name)
205{
206 return 0;
207}
208
209static int cap_inode_listxattr(struct dentry *dentry)
210{
211 return 0;
212}
213
214static int cap_inode_getsecurity(const struct inode *inode, const char *name,
215 void **buffer, bool alloc)
216{
217 return -EOPNOTSUPP;
218}
219
220static 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
226static int cap_inode_listsecurity(struct inode *inode, char *buffer,
227 size_t buffer_size)
228{
229 return 0;
230}
231
232static void cap_inode_getsecid(const struct inode *inode, u32 *secid)
233{
234 *secid = 0;
235}
236
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900237#ifdef CONFIG_SECURITY_PATH
Al Viro04fc66e2011-11-21 14:58:38 -0500238static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900239 unsigned int dev)
240{
241 return 0;
242}
243
Al Viro4572bef2011-11-21 14:56:21 -0500244static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900245{
246 return 0;
247}
248
249static int cap_path_rmdir(struct path *dir, struct dentry *dentry)
250{
251 return 0;
252}
253
254static int cap_path_unlink(struct path *dir, struct dentry *dentry)
255{
256 return 0;
257}
258
259static int cap_path_symlink(struct path *dir, struct dentry *dentry,
260 const char *old_name)
261{
262 return 0;
263}
264
265static int cap_path_link(struct dentry *old_dentry, struct path *new_dir,
266 struct dentry *new_dentry)
267{
268 return 0;
269}
270
271static 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
Tetsuo Handaea0d3ab2010-06-02 13:24:43 +0900277static int cap_path_truncate(struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900278{
279 return 0;
280}
Tetsuo Handa89eda062009-10-04 21:49:47 +0900281
Al Virocdcf1162011-12-08 10:51:53 -0500282static int cap_path_chmod(struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +0900283{
284 return 0;
285}
286
287static int cap_path_chown(struct path *path, uid_t uid, gid_t gid)
288{
289 return 0;
290}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900291
292static int cap_path_chroot(struct path *root)
293{
294 return 0;
295}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900296#endif
297
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200298static int cap_file_permission(struct file *file, int mask)
299{
300 return 0;
301}
302
303static int cap_file_alloc_security(struct file *file)
304{
305 return 0;
306}
307
308static void cap_file_free_security(struct file *file)
309{
310}
311
312static int cap_file_ioctl(struct file *file, unsigned int command,
313 unsigned long arg)
314{
315 return 0;
316}
317
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200318static int cap_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
319 unsigned long prot)
320{
321 return 0;
322}
323
324static int cap_file_lock(struct file *file, unsigned int cmd)
325{
326 return 0;
327}
328
329static int cap_file_fcntl(struct file *file, unsigned int cmd,
330 unsigned long arg)
331{
332 return 0;
333}
334
335static int cap_file_set_fowner(struct file *file)
336{
337 return 0;
338}
339
340static int cap_file_send_sigiotask(struct task_struct *tsk,
341 struct fown_struct *fown, int sig)
342{
343 return 0;
344}
345
346static int cap_file_receive(struct file *file)
347{
348 return 0;
349}
350
David Howells745ca242008-11-14 10:39:22 +1100351static int cap_dentry_open(struct file *file, const struct cred *cred)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200352{
353 return 0;
354}
355
356static int cap_task_create(unsigned long clone_flags)
357{
358 return 0;
359}
360
David Howellsee18d642009-09-02 09:14:21 +0100361static int cap_cred_alloc_blank(struct cred *cred, gfp_t gfp)
362{
363 return 0;
364}
365
David Howellsd84f4f92008-11-14 10:39:23 +1100366static void cap_cred_free(struct cred *cred)
367{
368}
369
370static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200371{
372 return 0;
373}
374
David Howellsee18d642009-09-02 09:14:21 +0100375static void cap_cred_transfer(struct cred *new, const struct cred *old)
376{
377}
378
David Howells3a3b7ce2008-11-14 10:39:28 +1100379static int cap_kernel_act_as(struct cred *new, u32 secid)
380{
381 return 0;
382}
383
384static int cap_kernel_create_files_as(struct cred *new, struct inode *inode)
385{
386 return 0;
387}
388
Eric Parisdd8dbf22009-11-03 16:35:32 +1100389static int cap_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400390{
391 return 0;
392}
393
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200394static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
395{
396 return 0;
397}
398
399static int cap_task_getpgid(struct task_struct *p)
400{
401 return 0;
402}
403
404static int cap_task_getsid(struct task_struct *p)
405{
406 return 0;
407}
408
409static void cap_task_getsecid(struct task_struct *p, u32 *secid)
410{
411 *secid = 0;
412}
413
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200414static int cap_task_getioprio(struct task_struct *p)
415{
416 return 0;
417}
418
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200419static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
420 struct rlimit *new_rlim)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200421{
422 return 0;
423}
424
425static int cap_task_getscheduler(struct task_struct *p)
426{
427 return 0;
428}
429
430static int cap_task_movememory(struct task_struct *p)
431{
432 return 0;
433}
434
435static int cap_task_wait(struct task_struct *p)
436{
437 return 0;
438}
439
440static int cap_task_kill(struct task_struct *p, struct siginfo *info,
441 int sig, u32 secid)
442{
443 return 0;
444}
445
446static void cap_task_to_inode(struct task_struct *p, struct inode *inode)
447{
448}
449
450static int cap_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
451{
452 return 0;
453}
454
455static void cap_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
456{
457 *secid = 0;
458}
459
460static int cap_msg_msg_alloc_security(struct msg_msg *msg)
461{
462 return 0;
463}
464
465static void cap_msg_msg_free_security(struct msg_msg *msg)
466{
467}
468
469static int cap_msg_queue_alloc_security(struct msg_queue *msq)
470{
471 return 0;
472}
473
474static void cap_msg_queue_free_security(struct msg_queue *msq)
475{
476}
477
478static int cap_msg_queue_associate(struct msg_queue *msq, int msqflg)
479{
480 return 0;
481}
482
483static int cap_msg_queue_msgctl(struct msg_queue *msq, int cmd)
484{
485 return 0;
486}
487
488static int cap_msg_queue_msgsnd(struct msg_queue *msq, struct msg_msg *msg,
489 int msgflg)
490{
491 return 0;
492}
493
494static 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
500static int cap_shm_alloc_security(struct shmid_kernel *shp)
501{
502 return 0;
503}
504
505static void cap_shm_free_security(struct shmid_kernel *shp)
506{
507}
508
509static int cap_shm_associate(struct shmid_kernel *shp, int shmflg)
510{
511 return 0;
512}
513
514static int cap_shm_shmctl(struct shmid_kernel *shp, int cmd)
515{
516 return 0;
517}
518
519static int cap_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr,
520 int shmflg)
521{
522 return 0;
523}
524
525static int cap_sem_alloc_security(struct sem_array *sma)
526{
527 return 0;
528}
529
530static void cap_sem_free_security(struct sem_array *sma)
531{
532}
533
534static int cap_sem_associate(struct sem_array *sma, int semflg)
535{
536 return 0;
537}
538
539static int cap_sem_semctl(struct sem_array *sma, int cmd)
540{
541 return 0;
542}
543
544static 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
David S. Miller3610cda2011-01-05 15:38:53 -0800551static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200552 struct sock *newsk)
553{
554 return 0;
555}
556
557static int cap_unix_may_send(struct socket *sock, struct socket *other)
558{
559 return 0;
560}
561
562static int cap_socket_create(int family, int type, int protocol, int kern)
563{
564 return 0;
565}
566
567static int cap_socket_post_create(struct socket *sock, int family, int type,
568 int protocol, int kern)
569{
570 return 0;
571}
572
573static int cap_socket_bind(struct socket *sock, struct sockaddr *address,
574 int addrlen)
575{
576 return 0;
577}
578
579static int cap_socket_connect(struct socket *sock, struct sockaddr *address,
580 int addrlen)
581{
582 return 0;
583}
584
585static int cap_socket_listen(struct socket *sock, int backlog)
586{
587 return 0;
588}
589
590static int cap_socket_accept(struct socket *sock, struct socket *newsock)
591{
592 return 0;
593}
594
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200595static int cap_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
596{
597 return 0;
598}
599
600static int cap_socket_recvmsg(struct socket *sock, struct msghdr *msg,
601 int size, int flags)
602{
603 return 0;
604}
605
606static int cap_socket_getsockname(struct socket *sock)
607{
608 return 0;
609}
610
611static int cap_socket_getpeername(struct socket *sock)
612{
613 return 0;
614}
615
616static int cap_socket_setsockopt(struct socket *sock, int level, int optname)
617{
618 return 0;
619}
620
621static int cap_socket_getsockopt(struct socket *sock, int level, int optname)
622{
623 return 0;
624}
625
626static int cap_socket_shutdown(struct socket *sock, int how)
627{
628 return 0;
629}
630
631static int cap_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
632{
633 return 0;
634}
635
636static int cap_socket_getpeersec_stream(struct socket *sock,
637 char __user *optval,
638 int __user *optlen, unsigned len)
639{
640 return -ENOPROTOOPT;
641}
642
643static int cap_socket_getpeersec_dgram(struct socket *sock,
644 struct sk_buff *skb, u32 *secid)
645{
646 return -ENOPROTOOPT;
647}
648
649static int cap_sk_alloc_security(struct sock *sk, int family, gfp_t priority)
650{
651 return 0;
652}
653
654static void cap_sk_free_security(struct sock *sk)
655{
656}
657
658static void cap_sk_clone_security(const struct sock *sk, struct sock *newsk)
659{
660}
661
662static void cap_sk_getsecid(struct sock *sk, u32 *secid)
663{
664}
665
666static void cap_sock_graft(struct sock *sk, struct socket *parent)
667{
668}
669
670static int cap_inet_conn_request(struct sock *sk, struct sk_buff *skb,
671 struct request_sock *req)
672{
673 return 0;
674}
675
676static void cap_inet_csk_clone(struct sock *newsk,
677 const struct request_sock *req)
678{
679}
680
681static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
682{
683}
684
Eric Paris2606fd12010-10-13 16:24:41 -0400685static int cap_secmark_relabel_packet(u32 secid)
686{
687 return 0;
688}
Paul Moore2b980db2009-08-28 18:12:43 -0400689
Eric Paris2606fd12010-10-13 16:24:41 -0400690static void cap_secmark_refcount_inc(void)
691{
692}
693
694static void cap_secmark_refcount_dec(void)
695{
696}
Paul Moore2b980db2009-08-28 18:12:43 -0400697
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200698static void cap_req_classify_flow(const struct request_sock *req,
699 struct flowi *fl)
700{
701}
Paul Moore2b980db2009-08-28 18:12:43 -0400702
703static int cap_tun_dev_create(void)
704{
705 return 0;
706}
707
708static void cap_tun_dev_post_create(struct sock *sk)
709{
710}
711
712static int cap_tun_dev_attach(struct sock *sk)
713{
714 return 0;
715}
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200716#endif /* CONFIG_SECURITY_NETWORK */
717
718#ifdef CONFIG_SECURITY_NETWORK_XFRM
719static 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
725static 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
731static void cap_xfrm_policy_free_security(struct xfrm_sec_ctx *ctx)
732{
733}
734
735static int cap_xfrm_policy_delete_security(struct xfrm_sec_ctx *ctx)
736{
737 return 0;
738}
739
740static 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
747static void cap_xfrm_state_free_security(struct xfrm_state *x)
748{
749}
750
751static int cap_xfrm_state_delete_security(struct xfrm_state *x)
752{
753 return 0;
754}
755
756static int cap_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 sk_sid, u8 dir)
757{
758 return 0;
759}
760
761static int cap_xfrm_state_pol_flow_match(struct xfrm_state *x,
762 struct xfrm_policy *xp,
David S. Millere33f7702011-02-22 18:13:15 -0800763 const struct flowi *fl)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200764{
765 return 1;
766}
767
768static 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 */
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200774static void cap_d_instantiate(struct dentry *dentry, struct inode *inode)
775{
776}
777
778static int cap_getprocattr(struct task_struct *p, char *name, char **value)
779{
780 return -EINVAL;
781}
782
783static int cap_setprocattr(struct task_struct *p, char *name, void *value,
784 size_t size)
785{
786 return -EINVAL;
787}
788
789static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
790{
791 return -EOPNOTSUPP;
792}
793
794static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
795{
Eric Paris2606fd12010-10-13 16:24:41 -0400796 *secid = 0;
797 return 0;
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200798}
799
800static void cap_release_secctx(char *secdata, u32 seclen)
801{
802}
803
David P. Quigley1ee65e32009-09-03 14:25:57 -0400804static int cap_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
805{
806 return 0;
807}
808
809static int cap_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
810{
811 return 0;
812}
813
814static int cap_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
815{
816 return 0;
817}
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200818#ifdef CONFIG_KEYS
David Howellsd84f4f92008-11-14 10:39:23 +1100819static int cap_key_alloc(struct key *key, const struct cred *cred,
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200820 unsigned long flags)
821{
822 return 0;
823}
824
825static void cap_key_free(struct key *key)
826{
827}
828
David Howellsd84f4f92008-11-14 10:39:23 +1100829static int cap_key_permission(key_ref_t key_ref, const struct cred *cred,
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200830 key_perm_t perm)
831{
832 return 0;
833}
834
835static 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
844static int cap_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
845{
846 return 0;
847}
848
849static int cap_audit_rule_known(struct audit_krule *krule)
850{
851 return 0;
852}
853
854static int cap_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
855 struct audit_context *actx)
856{
857 return 0;
858}
859
860static void cap_audit_rule_free(void *lsmrule)
861{
862}
863#endif /* CONFIG_AUDIT */
864
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200865#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
Tetsuo Handac80901f2010-05-14 12:01:26 +0900874void __init security_fixup_ops(struct security_operations *ops)
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200875{
Ingo Molnar9e488582009-05-07 19:26:19 +1000876 set_to_cap_if_null(ops, ptrace_access_check);
David Howells5cd9c582008-08-14 11:37:28 +0100877 set_to_cap_if_null(ops, ptrace_traceme);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200878 set_to_cap_if_null(ops, capget);
David Howellsd84f4f92008-11-14 10:39:23 +1100879 set_to_cap_if_null(ops, capset);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200880 set_to_cap_if_null(ops, capable);
881 set_to_cap_if_null(ops, quotactl);
882 set_to_cap_if_null(ops, quota_on);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200883 set_to_cap_if_null(ops, syslog);
884 set_to_cap_if_null(ops, settime);
885 set_to_cap_if_null(ops, vm_enough_memory);
David Howellsa6f76f22008-11-14 10:39:24 +1100886 set_to_cap_if_null(ops, bprm_set_creds);
887 set_to_cap_if_null(ops, bprm_committing_creds);
888 set_to_cap_if_null(ops, bprm_committed_creds);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200889 set_to_cap_if_null(ops, bprm_check_security);
890 set_to_cap_if_null(ops, bprm_secureexec);
891 set_to_cap_if_null(ops, sb_alloc_security);
892 set_to_cap_if_null(ops, sb_free_security);
893 set_to_cap_if_null(ops, sb_copy_data);
Eric Parisff36fe22011-03-03 16:09:14 -0500894 set_to_cap_if_null(ops, sb_remount);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200895 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200899 set_to_cap_if_null(ops, sb_umount);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200900 set_to_cap_if_null(ops, sb_pivotroot);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200901 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200920 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);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900931#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);
Tetsuo Handa89eda062009-10-04 21:49:47 +0900940 set_to_cap_if_null(ops, path_chmod);
941 set_to_cap_if_null(ops, path_chown);
Tetsuo Handa8b8efb42009-10-04 21:49:48 +0900942 set_to_cap_if_null(ops, path_chroot);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +0900943#endif
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200944 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);
David Howellsee18d642009-09-02 09:14:21 +0100957 set_to_cap_if_null(ops, cred_alloc_blank);
David Howellsf1752ee2008-11-14 10:39:17 +1100958 set_to_cap_if_null(ops, cred_free);
David Howellsd84f4f92008-11-14 10:39:23 +1100959 set_to_cap_if_null(ops, cred_prepare);
David Howellsee18d642009-09-02 09:14:21 +0100960 set_to_cap_if_null(ops, cred_transfer);
David Howells3a3b7ce2008-11-14 10:39:28 +1100961 set_to_cap_if_null(ops, kernel_act_as);
962 set_to_cap_if_null(ops, kernel_create_files_as);
Eric Paris91884992009-08-13 09:44:57 -0400963 set_to_cap_if_null(ops, kernel_module_request);
David Howellsd84f4f92008-11-14 10:39:23 +1100964 set_to_cap_if_null(ops, task_fix_setuid);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200965 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200969 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +0200979 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +02001002 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);
David P. Quigley1ee65e32009-09-03 14:25:57 -04001008 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +02001011#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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +02001020 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);
Eric Paris2606fd12010-10-13 16:24:41 -04001038 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +02001041 set_to_cap_if_null(ops, req_classify_flow);
Paul Moore2b980db2009-08-28 18:12:43 -04001042 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);
Miklos Szeredi5915eb52008-07-03 20:56:05 +02001045#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}