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22#ifndef __LINUX_SECURITY_H
23#define __LINUX_SECURITY_H
24
25#include <linux/key.h>
26#include <linux/capability.h>
27#include <linux/fs.h>
28#include <linux/slab.h>
29#include <linux/err.h>
30#include <linux/string.h>
31#include <linux/mm.h>
32#include <linux/fs.h>
33
34struct linux_binprm;
35struct cred;
36struct rlimit;
37struct siginfo;
38struct sem_array;
39struct sembuf;
40struct kern_ipc_perm;
41struct audit_context;
42struct super_block;
43struct inode;
44struct dentry;
45struct file;
46struct vfsmount;
47struct path;
48struct qstr;
49struct iattr;
50struct fown_struct;
51struct file_operations;
52struct shmid_kernel;
53struct msg_msg;
54struct msg_queue;
55struct xattr;
56struct xfrm_sec_ctx;
57struct mm_struct;
58
59
60#define SECURITY_CAP_NOAUDIT 0
61#define SECURITY_CAP_AUDIT 1
62
63
64#define SECURITY_LSM_NATIVE_LABELS 1
65
66struct ctl_table;
67struct audit_krule;
68struct user_namespace;
69struct timezone;
70
71
72extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
73 int cap, int audit);
74extern int cap_settime(const struct timespec *ts, const struct timezone *tz);
75extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
76extern int cap_ptrace_traceme(struct task_struct *parent);
77extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
78extern int cap_capset(struct cred *new, const struct cred *old,
79 const kernel_cap_t *effective,
80 const kernel_cap_t *inheritable,
81 const kernel_cap_t *permitted);
82extern int cap_bprm_set_creds(struct linux_binprm *bprm);
83extern int cap_bprm_secureexec(struct linux_binprm *bprm);
84extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
85 const void *value, size_t size, int flags);
86extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
87extern int cap_inode_need_killpriv(struct dentry *dentry);
88extern int cap_inode_killpriv(struct dentry *dentry);
89extern int cap_mmap_addr(unsigned long addr);
90extern int cap_mmap_file(struct file *file, unsigned long reqprot,
91 unsigned long prot, unsigned long flags);
92extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
93extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
94 unsigned long arg4, unsigned long arg5);
95extern int cap_task_setscheduler(struct task_struct *p);
96extern int cap_task_setioprio(struct task_struct *p, int ioprio);
97extern int cap_task_setnice(struct task_struct *p, int nice);
98extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
99
100struct msghdr;
101struct sk_buff;
102struct sock;
103struct sockaddr;
104struct socket;
105struct flowi;
106struct dst_entry;
107struct xfrm_selector;
108struct xfrm_policy;
109struct xfrm_state;
110struct xfrm_user_sec_ctx;
111struct seq_file;
112
113#ifdef CONFIG_MMU
114extern unsigned long mmap_min_addr;
115extern unsigned long dac_mmap_min_addr;
116#else
117#define mmap_min_addr 0UL
118#define dac_mmap_min_addr 0UL
119#endif
120
121
122
123
124
125#define LSM_SETID_ID 1
126
127
128#define LSM_SETID_RE 2
129
130
131#define LSM_SETID_RES 4
132
133
134#define LSM_SETID_FS 8
135
136
137struct sched_param;
138struct request_sock;
139
140
141#define LSM_UNSAFE_SHARE 1
142#define LSM_UNSAFE_PTRACE 2
143#define LSM_UNSAFE_PTRACE_CAP 4
144#define LSM_UNSAFE_NO_NEW_PRIVS 8
145
146#ifdef CONFIG_MMU
147extern int mmap_min_addr_handler(struct ctl_table *table, int write,
148 void __user *buffer, size_t *lenp, loff_t *ppos);
149#endif
150
151
152typedef int (*initxattrs) (struct inode *inode,
153 const struct xattr *xattr_array, void *fs_data);
154
155#ifdef CONFIG_SECURITY
156
157struct security_mnt_opts {
158 char **mnt_opts;
159 int *mnt_opts_flags;
160 int num_mnt_opts;
161};
162
163static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
164{
165 opts->mnt_opts = NULL;
166 opts->mnt_opts_flags = NULL;
167 opts->num_mnt_opts = 0;
168}
169
170static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
171{
172 int i;
173 if (opts->mnt_opts)
174 for (i = 0; i < opts->num_mnt_opts; i++)
175 kfree(opts->mnt_opts[i]);
176 kfree(opts->mnt_opts);
177 opts->mnt_opts = NULL;
178 kfree(opts->mnt_opts_flags);
179 opts->mnt_opts_flags = NULL;
180 opts->num_mnt_opts = 0;
181}
182
183
184extern int security_init(void);
185
186
187int security_binder_set_context_mgr(struct task_struct *mgr);
188int security_binder_transaction(struct task_struct *from,
189 struct task_struct *to);
190int security_binder_transfer_binder(struct task_struct *from,
191 struct task_struct *to);
192int security_binder_transfer_file(struct task_struct *from,
193 struct task_struct *to, struct file *file);
194int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
195int security_ptrace_traceme(struct task_struct *parent);
196int security_capget(struct task_struct *target,
197 kernel_cap_t *effective,
198 kernel_cap_t *inheritable,
199 kernel_cap_t *permitted);
200int security_capset(struct cred *new, const struct cred *old,
201 const kernel_cap_t *effective,
202 const kernel_cap_t *inheritable,
203 const kernel_cap_t *permitted);
204int security_capable(const struct cred *cred, struct user_namespace *ns,
205 int cap);
206int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
207 int cap);
208int security_quotactl(int cmds, int type, int id, struct super_block *sb);
209int security_quota_on(struct dentry *dentry);
210int security_syslog(int type);
211int security_settime(const struct timespec *ts, const struct timezone *tz);
212int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
213int security_bprm_set_creds(struct linux_binprm *bprm);
214int security_bprm_check(struct linux_binprm *bprm);
215void security_bprm_committing_creds(struct linux_binprm *bprm);
216void security_bprm_committed_creds(struct linux_binprm *bprm);
217int security_bprm_secureexec(struct linux_binprm *bprm);
218int security_sb_alloc(struct super_block *sb);
219void security_sb_free(struct super_block *sb);
220int security_sb_copy_data(char *orig, char *copy);
221int security_sb_remount(struct super_block *sb, void *data);
222int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
223int security_sb_show_options(struct seq_file *m, struct super_block *sb);
224int security_sb_statfs(struct dentry *dentry);
225int security_sb_mount(const char *dev_name, struct path *path,
226 const char *type, unsigned long flags, void *data);
227int security_sb_umount(struct vfsmount *mnt, int flags);
228int security_sb_pivotroot(struct path *old_path, struct path *new_path);
229int security_sb_set_mnt_opts(struct super_block *sb,
230 struct security_mnt_opts *opts,
231 unsigned long kern_flags,
232 unsigned long *set_kern_flags);
233int security_sb_clone_mnt_opts(const struct super_block *oldsb,
234 struct super_block *newsb);
235int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
236int security_dentry_init_security(struct dentry *dentry, int mode,
237 struct qstr *name, void **ctx,
238 u32 *ctxlen);
239
240int security_inode_alloc(struct inode *inode);
241void security_inode_free(struct inode *inode);
242int security_inode_init_security(struct inode *inode, struct inode *dir,
243 const struct qstr *qstr,
244 initxattrs initxattrs, void *fs_data);
245int security_old_inode_init_security(struct inode *inode, struct inode *dir,
246 const struct qstr *qstr, const char **name,
247 void **value, size_t *len);
248int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
249int security_inode_link(struct dentry *old_dentry, struct inode *dir,
250 struct dentry *new_dentry);
251int security_inode_unlink(struct inode *dir, struct dentry *dentry);
252int security_inode_symlink(struct inode *dir, struct dentry *dentry,
253 const char *old_name);
254int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
255int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
256int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
257int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
258 struct inode *new_dir, struct dentry *new_dentry,
259 unsigned int flags);
260int security_inode_readlink(struct dentry *dentry);
261int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
262 bool rcu);
263int security_inode_permission(struct inode *inode, int mask);
264int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
265int security_inode_getattr(const struct path *path);
266int security_inode_setxattr(struct dentry *dentry, const char *name,
267 const void *value, size_t size, int flags);
268void security_inode_post_setxattr(struct dentry *dentry, const char *name,
269 const void *value, size_t size, int flags);
270int security_inode_getxattr(struct dentry *dentry, const char *name);
271int security_inode_listxattr(struct dentry *dentry);
272int security_inode_removexattr(struct dentry *dentry, const char *name);
273int security_inode_need_killpriv(struct dentry *dentry);
274int security_inode_killpriv(struct dentry *dentry);
275int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
276int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
277int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
278void security_inode_getsecid(struct inode *inode, u32 *secid);
279int security_file_permission(struct file *file, int mask);
280int security_file_alloc(struct file *file);
281void security_file_free(struct file *file);
282int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
283int security_mmap_file(struct file *file, unsigned long prot,
284 unsigned long flags);
285int security_mmap_addr(unsigned long addr);
286int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
287 unsigned long prot);
288int security_file_lock(struct file *file, unsigned int cmd);
289int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
290void security_file_set_fowner(struct file *file);
291int security_file_send_sigiotask(struct task_struct *tsk,
292 struct fown_struct *fown, int sig);
293int security_file_receive(struct file *file);
294int security_file_open(struct file *file, const struct cred *cred);
295int security_task_create(unsigned long clone_flags);
296void security_task_free(struct task_struct *task);
297int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
298void security_cred_free(struct cred *cred);
299int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
300void security_transfer_creds(struct cred *new, const struct cred *old);
301int security_kernel_act_as(struct cred *new, u32 secid);
302int security_kernel_create_files_as(struct cred *new, struct inode *inode);
303int security_kernel_module_request(char *kmod_name);
304int security_kernel_module_from_file(struct file *file);
305int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
306int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
307 enum kernel_read_file_id id);
308int security_task_fix_setuid(struct cred *new, const struct cred *old,
309 int flags);
310int security_task_setpgid(struct task_struct *p, pid_t pgid);
311int security_task_getpgid(struct task_struct *p);
312int security_task_getsid(struct task_struct *p);
313void security_task_getsecid(struct task_struct *p, u32 *secid);
314int security_task_setnice(struct task_struct *p, int nice);
315int security_task_setioprio(struct task_struct *p, int ioprio);
316int security_task_getioprio(struct task_struct *p);
317int security_task_setrlimit(struct task_struct *p, unsigned int resource,
318 struct rlimit *new_rlim);
319int security_task_setscheduler(struct task_struct *p);
320int security_task_getscheduler(struct task_struct *p);
321int security_task_movememory(struct task_struct *p);
322int security_task_kill(struct task_struct *p, struct siginfo *info,
323 int sig, u32 secid);
324int security_task_wait(struct task_struct *p);
325int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
326 unsigned long arg4, unsigned long arg5);
327void security_task_to_inode(struct task_struct *p, struct inode *inode);
328int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
329void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
330int security_msg_msg_alloc(struct msg_msg *msg);
331void security_msg_msg_free(struct msg_msg *msg);
332int security_msg_queue_alloc(struct msg_queue *msq);
333void security_msg_queue_free(struct msg_queue *msq);
334int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
335int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
336int security_msg_queue_msgsnd(struct msg_queue *msq,
337 struct msg_msg *msg, int msqflg);
338int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
339 struct task_struct *target, long type, int mode);
340int security_shm_alloc(struct shmid_kernel *shp);
341void security_shm_free(struct shmid_kernel *shp);
342int security_shm_associate(struct shmid_kernel *shp, int shmflg);
343int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
344int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
345int security_sem_alloc(struct sem_array *sma);
346void security_sem_free(struct sem_array *sma);
347int security_sem_associate(struct sem_array *sma, int semflg);
348int security_sem_semctl(struct sem_array *sma, int cmd);
349int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
350 unsigned nsops, int alter);
351void security_d_instantiate(struct dentry *dentry, struct inode *inode);
352int security_getprocattr(struct task_struct *p, char *name, char **value);
353int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size);
354int security_netlink_send(struct sock *sk, struct sk_buff *skb);
355int security_ismaclabel(const char *name);
356int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
357int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
358void security_release_secctx(char *secdata, u32 seclen);
359
360void security_inode_invalidate_secctx(struct inode *inode);
361int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
362int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
363int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
364#else
365struct security_mnt_opts {
366};
367
368static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
369{
370}
371
372static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
373{
374}
375
376
377
378
379
380
381static inline int security_init(void)
382{
383 return 0;
384}
385
386static inline int security_binder_set_context_mgr(struct task_struct *mgr)
387{
388 return 0;
389}
390
391static inline int security_binder_transaction(struct task_struct *from,
392 struct task_struct *to)
393{
394 return 0;
395}
396
397static inline int security_binder_transfer_binder(struct task_struct *from,
398 struct task_struct *to)
399{
400 return 0;
401}
402
403static inline int security_binder_transfer_file(struct task_struct *from,
404 struct task_struct *to,
405 struct file *file)
406{
407 return 0;
408}
409
410static inline int security_ptrace_access_check(struct task_struct *child,
411 unsigned int mode)
412{
413 return cap_ptrace_access_check(child, mode);
414}
415
416static inline int security_ptrace_traceme(struct task_struct *parent)
417{
418 return cap_ptrace_traceme(parent);
419}
420
421static inline int security_capget(struct task_struct *target,
422 kernel_cap_t *effective,
423 kernel_cap_t *inheritable,
424 kernel_cap_t *permitted)
425{
426 return cap_capget(target, effective, inheritable, permitted);
427}
428
429static inline int security_capset(struct cred *new,
430 const struct cred *old,
431 const kernel_cap_t *effective,
432 const kernel_cap_t *inheritable,
433 const kernel_cap_t *permitted)
434{
435 return cap_capset(new, old, effective, inheritable, permitted);
436}
437
438static inline int security_capable(const struct cred *cred,
439 struct user_namespace *ns, int cap)
440{
441 return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
442}
443
444static inline int security_capable_noaudit(const struct cred *cred,
445 struct user_namespace *ns, int cap) {
446 return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
447}
448
449static inline int security_quotactl(int cmds, int type, int id,
450 struct super_block *sb)
451{
452 return 0;
453}
454
455static inline int security_quota_on(struct dentry *dentry)
456{
457 return 0;
458}
459
460static inline int security_syslog(int type)
461{
462 return 0;
463}
464
465static inline int security_settime(const struct timespec *ts,
466 const struct timezone *tz)
467{
468 return cap_settime(ts, tz);
469}
470
471static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
472{
473 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
474}
475
476static inline int security_bprm_set_creds(struct linux_binprm *bprm)
477{
478 return cap_bprm_set_creds(bprm);
479}
480
481static inline int security_bprm_check(struct linux_binprm *bprm)
482{
483 return 0;
484}
485
486static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
487{
488}
489
490static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
491{
492}
493
494static inline int security_bprm_secureexec(struct linux_binprm *bprm)
495{
496 return cap_bprm_secureexec(bprm);
497}
498
499static inline int security_sb_alloc(struct super_block *sb)
500{
501 return 0;
502}
503
504static inline void security_sb_free(struct super_block *sb)
505{ }
506
507static inline int security_sb_copy_data(char *orig, char *copy)
508{
509 return 0;
510}
511
512static inline int security_sb_remount(struct super_block *sb, void *data)
513{
514 return 0;
515}
516
517static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
518{
519 return 0;
520}
521
522static inline int security_sb_show_options(struct seq_file *m,
523 struct super_block *sb)
524{
525 return 0;
526}
527
528static inline int security_sb_statfs(struct dentry *dentry)
529{
530 return 0;
531}
532
533static inline int security_sb_mount(const char *dev_name, struct path *path,
534 const char *type, unsigned long flags,
535 void *data)
536{
537 return 0;
538}
539
540static inline int security_sb_umount(struct vfsmount *mnt, int flags)
541{
542 return 0;
543}
544
545static inline int security_sb_pivotroot(struct path *old_path,
546 struct path *new_path)
547{
548 return 0;
549}
550
551static inline int security_sb_set_mnt_opts(struct super_block *sb,
552 struct security_mnt_opts *opts,
553 unsigned long kern_flags,
554 unsigned long *set_kern_flags)
555{
556 return 0;
557}
558
559static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
560 struct super_block *newsb)
561{
562 return 0;
563}
564
565static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
566{
567 return 0;
568}
569
570static inline int security_inode_alloc(struct inode *inode)
571{
572 return 0;
573}
574
575static inline void security_inode_free(struct inode *inode)
576{ }
577
578static inline int security_dentry_init_security(struct dentry *dentry,
579 int mode,
580 struct qstr *name,
581 void **ctx,
582 u32 *ctxlen)
583{
584 return -EOPNOTSUPP;
585}
586
587
588static inline int security_inode_init_security(struct inode *inode,
589 struct inode *dir,
590 const struct qstr *qstr,
591 const initxattrs xattrs,
592 void *fs_data)
593{
594 return 0;
595}
596
597static inline int security_old_inode_init_security(struct inode *inode,
598 struct inode *dir,
599 const struct qstr *qstr,
600 const char **name,
601 void **value, size_t *len)
602{
603 return -EOPNOTSUPP;
604}
605
606static inline int security_inode_create(struct inode *dir,
607 struct dentry *dentry,
608 umode_t mode)
609{
610 return 0;
611}
612
613static inline int security_inode_link(struct dentry *old_dentry,
614 struct inode *dir,
615 struct dentry *new_dentry)
616{
617 return 0;
618}
619
620static inline int security_inode_unlink(struct inode *dir,
621 struct dentry *dentry)
622{
623 return 0;
624}
625
626static inline int security_inode_symlink(struct inode *dir,
627 struct dentry *dentry,
628 const char *old_name)
629{
630 return 0;
631}
632
633static inline int security_inode_mkdir(struct inode *dir,
634 struct dentry *dentry,
635 int mode)
636{
637 return 0;
638}
639
640static inline int security_inode_rmdir(struct inode *dir,
641 struct dentry *dentry)
642{
643 return 0;
644}
645
646static inline int security_inode_mknod(struct inode *dir,
647 struct dentry *dentry,
648 int mode, dev_t dev)
649{
650 return 0;
651}
652
653static inline int security_inode_rename(struct inode *old_dir,
654 struct dentry *old_dentry,
655 struct inode *new_dir,
656 struct dentry *new_dentry,
657 unsigned int flags)
658{
659 return 0;
660}
661
662static inline int security_inode_readlink(struct dentry *dentry)
663{
664 return 0;
665}
666
667static inline int security_inode_follow_link(struct dentry *dentry,
668 struct inode *inode,
669 bool rcu)
670{
671 return 0;
672}
673
674static inline int security_inode_permission(struct inode *inode, int mask)
675{
676 return 0;
677}
678
679static inline int security_inode_setattr(struct dentry *dentry,
680 struct iattr *attr)
681{
682 return 0;
683}
684
685static inline int security_inode_getattr(const struct path *path)
686{
687 return 0;
688}
689
690static inline int security_inode_setxattr(struct dentry *dentry,
691 const char *name, const void *value, size_t size, int flags)
692{
693 return cap_inode_setxattr(dentry, name, value, size, flags);
694}
695
696static inline void security_inode_post_setxattr(struct dentry *dentry,
697 const char *name, const void *value, size_t size, int flags)
698{ }
699
700static inline int security_inode_getxattr(struct dentry *dentry,
701 const char *name)
702{
703 return 0;
704}
705
706static inline int security_inode_listxattr(struct dentry *dentry)
707{
708 return 0;
709}
710
711static inline int security_inode_removexattr(struct dentry *dentry,
712 const char *name)
713{
714 return cap_inode_removexattr(dentry, name);
715}
716
717static inline int security_inode_need_killpriv(struct dentry *dentry)
718{
719 return cap_inode_need_killpriv(dentry);
720}
721
722static inline int security_inode_killpriv(struct dentry *dentry)
723{
724 return cap_inode_killpriv(dentry);
725}
726
727static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
728{
729 return -EOPNOTSUPP;
730}
731
732static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
733{
734 return -EOPNOTSUPP;
735}
736
737static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
738{
739 return 0;
740}
741
742static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
743{
744 *secid = 0;
745}
746
747static inline int security_file_permission(struct file *file, int mask)
748{
749 return 0;
750}
751
752static inline int security_file_alloc(struct file *file)
753{
754 return 0;
755}
756
757static inline void security_file_free(struct file *file)
758{ }
759
760static inline int security_file_ioctl(struct file *file, unsigned int cmd,
761 unsigned long arg)
762{
763 return 0;
764}
765
766static inline int security_mmap_file(struct file *file, unsigned long prot,
767 unsigned long flags)
768{
769 return 0;
770}
771
772static inline int security_mmap_addr(unsigned long addr)
773{
774 return cap_mmap_addr(addr);
775}
776
777static inline int security_file_mprotect(struct vm_area_struct *vma,
778 unsigned long reqprot,
779 unsigned long prot)
780{
781 return 0;
782}
783
784static inline int security_file_lock(struct file *file, unsigned int cmd)
785{
786 return 0;
787}
788
789static inline int security_file_fcntl(struct file *file, unsigned int cmd,
790 unsigned long arg)
791{
792 return 0;
793}
794
795static inline void security_file_set_fowner(struct file *file)
796{
797 return;
798}
799
800static inline int security_file_send_sigiotask(struct task_struct *tsk,
801 struct fown_struct *fown,
802 int sig)
803{
804 return 0;
805}
806
807static inline int security_file_receive(struct file *file)
808{
809 return 0;
810}
811
812static inline int security_file_open(struct file *file,
813 const struct cred *cred)
814{
815 return 0;
816}
817
818static inline int security_task_create(unsigned long clone_flags)
819{
820 return 0;
821}
822
823static inline void security_task_free(struct task_struct *task)
824{ }
825
826static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
827{
828 return 0;
829}
830
831static inline void security_cred_free(struct cred *cred)
832{ }
833
834static inline int security_prepare_creds(struct cred *new,
835 const struct cred *old,
836 gfp_t gfp)
837{
838 return 0;
839}
840
841static inline void security_transfer_creds(struct cred *new,
842 const struct cred *old)
843{
844}
845
846static inline int security_kernel_act_as(struct cred *cred, u32 secid)
847{
848 return 0;
849}
850
851static inline int security_kernel_create_files_as(struct cred *cred,
852 struct inode *inode)
853{
854 return 0;
855}
856
857static inline int security_kernel_module_request(char *kmod_name)
858{
859 return 0;
860}
861
862static inline int security_kernel_read_file(struct file *file,
863 enum kernel_read_file_id id)
864{
865 return 0;
866}
867
868static inline int security_kernel_post_read_file(struct file *file,
869 char *buf, loff_t size,
870 enum kernel_read_file_id id)
871{
872 return 0;
873}
874
875static inline int security_task_fix_setuid(struct cred *new,
876 const struct cred *old,
877 int flags)
878{
879 return cap_task_fix_setuid(new, old, flags);
880}
881
882static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
883{
884 return 0;
885}
886
887static inline int security_task_getpgid(struct task_struct *p)
888{
889 return 0;
890}
891
892static inline int security_task_getsid(struct task_struct *p)
893{
894 return 0;
895}
896
897static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
898{
899 *secid = 0;
900}
901
902static inline int security_task_setnice(struct task_struct *p, int nice)
903{
904 return cap_task_setnice(p, nice);
905}
906
907static inline int security_task_setioprio(struct task_struct *p, int ioprio)
908{
909 return cap_task_setioprio(p, ioprio);
910}
911
912static inline int security_task_getioprio(struct task_struct *p)
913{
914 return 0;
915}
916
917static inline int security_task_setrlimit(struct task_struct *p,
918 unsigned int resource,
919 struct rlimit *new_rlim)
920{
921 return 0;
922}
923
924static inline int security_task_setscheduler(struct task_struct *p)
925{
926 return cap_task_setscheduler(p);
927}
928
929static inline int security_task_getscheduler(struct task_struct *p)
930{
931 return 0;
932}
933
934static inline int security_task_movememory(struct task_struct *p)
935{
936 return 0;
937}
938
939static inline int security_task_kill(struct task_struct *p,
940 struct siginfo *info, int sig,
941 u32 secid)
942{
943 return 0;
944}
945
946static inline int security_task_wait(struct task_struct *p)
947{
948 return 0;
949}
950
951static inline int security_task_prctl(int option, unsigned long arg2,
952 unsigned long arg3,
953 unsigned long arg4,
954 unsigned long arg5)
955{
956 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
957}
958
959static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
960{ }
961
962static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
963 short flag)
964{
965 return 0;
966}
967
968static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
969{
970 *secid = 0;
971}
972
973static inline int security_msg_msg_alloc(struct msg_msg *msg)
974{
975 return 0;
976}
977
978static inline void security_msg_msg_free(struct msg_msg *msg)
979{ }
980
981static inline int security_msg_queue_alloc(struct msg_queue *msq)
982{
983 return 0;
984}
985
986static inline void security_msg_queue_free(struct msg_queue *msq)
987{ }
988
989static inline int security_msg_queue_associate(struct msg_queue *msq,
990 int msqflg)
991{
992 return 0;
993}
994
995static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
996{
997 return 0;
998}
999
1000static inline int security_msg_queue_msgsnd(struct msg_queue *msq,
1001 struct msg_msg *msg, int msqflg)
1002{
1003 return 0;
1004}
1005
1006static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
1007 struct msg_msg *msg,
1008 struct task_struct *target,
1009 long type, int mode)
1010{
1011 return 0;
1012}
1013
1014static inline int security_shm_alloc(struct shmid_kernel *shp)
1015{
1016 return 0;
1017}
1018
1019static inline void security_shm_free(struct shmid_kernel *shp)
1020{ }
1021
1022static inline int security_shm_associate(struct shmid_kernel *shp,
1023 int shmflg)
1024{
1025 return 0;
1026}
1027
1028static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1029{
1030 return 0;
1031}
1032
1033static inline int security_shm_shmat(struct shmid_kernel *shp,
1034 char __user *shmaddr, int shmflg)
1035{
1036 return 0;
1037}
1038
1039static inline int security_sem_alloc(struct sem_array *sma)
1040{
1041 return 0;
1042}
1043
1044static inline void security_sem_free(struct sem_array *sma)
1045{ }
1046
1047static inline int security_sem_associate(struct sem_array *sma, int semflg)
1048{
1049 return 0;
1050}
1051
1052static inline int security_sem_semctl(struct sem_array *sma, int cmd)
1053{
1054 return 0;
1055}
1056
1057static inline int security_sem_semop(struct sem_array *sma,
1058 struct sembuf *sops, unsigned nsops,
1059 int alter)
1060{
1061 return 0;
1062}
1063
1064static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1065{ }
1066
1067static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
1068{
1069 return -EINVAL;
1070}
1071
1072static inline int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
1073{
1074 return -EINVAL;
1075}
1076
1077static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1078{
1079 return 0;
1080}
1081
1082static inline int security_ismaclabel(const char *name)
1083{
1084 return 0;
1085}
1086
1087static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1088{
1089 return -EOPNOTSUPP;
1090}
1091
1092static inline int security_secctx_to_secid(const char *secdata,
1093 u32 seclen,
1094 u32 *secid)
1095{
1096 return -EOPNOTSUPP;
1097}
1098
1099static inline void security_release_secctx(char *secdata, u32 seclen)
1100{
1101}
1102
1103static inline void security_inode_invalidate_secctx(struct inode *inode)
1104{
1105}
1106
1107static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1108{
1109 return -EOPNOTSUPP;
1110}
1111static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1112{
1113 return -EOPNOTSUPP;
1114}
1115static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1116{
1117 return -EOPNOTSUPP;
1118}
1119#endif
1120
1121#ifdef CONFIG_SECURITY_NETWORK
1122
1123int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1124int security_unix_may_send(struct socket *sock, struct socket *other);
1125int security_socket_create(int family, int type, int protocol, int kern);
1126int security_socket_post_create(struct socket *sock, int family,
1127 int type, int protocol, int kern);
1128int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1129int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1130int security_socket_listen(struct socket *sock, int backlog);
1131int security_socket_accept(struct socket *sock, struct socket *newsock);
1132int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1133int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1134 int size, int flags);
1135int security_socket_getsockname(struct socket *sock);
1136int security_socket_getpeername(struct socket *sock);
1137int security_socket_getsockopt(struct socket *sock, int level, int optname);
1138int security_socket_setsockopt(struct socket *sock, int level, int optname);
1139int security_socket_shutdown(struct socket *sock, int how);
1140int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1141int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1142 int __user *optlen, unsigned len);
1143int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1144int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1145void security_sk_free(struct sock *sk);
1146void security_sk_clone(const struct sock *sk, struct sock *newsk);
1147void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1148void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1149void security_sock_graft(struct sock*sk, struct socket *parent);
1150int security_inet_conn_request(struct sock *sk,
1151 struct sk_buff *skb, struct request_sock *req);
1152void security_inet_csk_clone(struct sock *newsk,
1153 const struct request_sock *req);
1154void security_inet_conn_established(struct sock *sk,
1155 struct sk_buff *skb);
1156int security_secmark_relabel_packet(u32 secid);
1157void security_secmark_refcount_inc(void);
1158void security_secmark_refcount_dec(void);
1159int security_tun_dev_alloc_security(void **security);
1160void security_tun_dev_free_security(void *security);
1161int security_tun_dev_create(void);
1162int security_tun_dev_attach_queue(void *security);
1163int security_tun_dev_attach(struct sock *sk, void *security);
1164int security_tun_dev_open(void *security);
1165
1166#else
1167static inline int security_unix_stream_connect(struct sock *sock,
1168 struct sock *other,
1169 struct sock *newsk)
1170{
1171 return 0;
1172}
1173
1174static inline int security_unix_may_send(struct socket *sock,
1175 struct socket *other)
1176{
1177 return 0;
1178}
1179
1180static inline int security_socket_create(int family, int type,
1181 int protocol, int kern)
1182{
1183 return 0;
1184}
1185
1186static inline int security_socket_post_create(struct socket *sock,
1187 int family,
1188 int type,
1189 int protocol, int kern)
1190{
1191 return 0;
1192}
1193
1194static inline int security_socket_bind(struct socket *sock,
1195 struct sockaddr *address,
1196 int addrlen)
1197{
1198 return 0;
1199}
1200
1201static inline int security_socket_connect(struct socket *sock,
1202 struct sockaddr *address,
1203 int addrlen)
1204{
1205 return 0;
1206}
1207
1208static inline int security_socket_listen(struct socket *sock, int backlog)
1209{
1210 return 0;
1211}
1212
1213static inline int security_socket_accept(struct socket *sock,
1214 struct socket *newsock)
1215{
1216 return 0;
1217}
1218
1219static inline int security_socket_sendmsg(struct socket *sock,
1220 struct msghdr *msg, int size)
1221{
1222 return 0;
1223}
1224
1225static inline int security_socket_recvmsg(struct socket *sock,
1226 struct msghdr *msg, int size,
1227 int flags)
1228{
1229 return 0;
1230}
1231
1232static inline int security_socket_getsockname(struct socket *sock)
1233{
1234 return 0;
1235}
1236
1237static inline int security_socket_getpeername(struct socket *sock)
1238{
1239 return 0;
1240}
1241
1242static inline int security_socket_getsockopt(struct socket *sock,
1243 int level, int optname)
1244{
1245 return 0;
1246}
1247
1248static inline int security_socket_setsockopt(struct socket *sock,
1249 int level, int optname)
1250{
1251 return 0;
1252}
1253
1254static inline int security_socket_shutdown(struct socket *sock, int how)
1255{
1256 return 0;
1257}
1258static inline int security_sock_rcv_skb(struct sock *sk,
1259 struct sk_buff *skb)
1260{
1261 return 0;
1262}
1263
1264static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1265 int __user *optlen, unsigned len)
1266{
1267 return -ENOPROTOOPT;
1268}
1269
1270static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1271{
1272 return -ENOPROTOOPT;
1273}
1274
1275static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1276{
1277 return 0;
1278}
1279
1280static inline void security_sk_free(struct sock *sk)
1281{
1282}
1283
1284static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1285{
1286}
1287
1288static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1289{
1290}
1291
1292static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1293{
1294}
1295
1296static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1297{
1298}
1299
1300static inline int security_inet_conn_request(struct sock *sk,
1301 struct sk_buff *skb, struct request_sock *req)
1302{
1303 return 0;
1304}
1305
1306static inline void security_inet_csk_clone(struct sock *newsk,
1307 const struct request_sock *req)
1308{
1309}
1310
1311static inline void security_inet_conn_established(struct sock *sk,
1312 struct sk_buff *skb)
1313{
1314}
1315
1316static inline int security_secmark_relabel_packet(u32 secid)
1317{
1318 return 0;
1319}
1320
1321static inline void security_secmark_refcount_inc(void)
1322{
1323}
1324
1325static inline void security_secmark_refcount_dec(void)
1326{
1327}
1328
1329static inline int security_tun_dev_alloc_security(void **security)
1330{
1331 return 0;
1332}
1333
1334static inline void security_tun_dev_free_security(void *security)
1335{
1336}
1337
1338static inline int security_tun_dev_create(void)
1339{
1340 return 0;
1341}
1342
1343static inline int security_tun_dev_attach_queue(void *security)
1344{
1345 return 0;
1346}
1347
1348static inline int security_tun_dev_attach(struct sock *sk, void *security)
1349{
1350 return 0;
1351}
1352
1353static inline int security_tun_dev_open(void *security)
1354{
1355 return 0;
1356}
1357#endif
1358
1359#ifdef CONFIG_SECURITY_NETWORK_XFRM
1360
1361int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1362 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1363int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1364void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1365int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1366int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1367int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1368 struct xfrm_sec_ctx *polsec, u32 secid);
1369int security_xfrm_state_delete(struct xfrm_state *x);
1370void security_xfrm_state_free(struct xfrm_state *x);
1371int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1372int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1373 struct xfrm_policy *xp,
1374 const struct flowi *fl);
1375int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1376void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1377
1378#else
1379
1380static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1381 struct xfrm_user_sec_ctx *sec_ctx,
1382 gfp_t gfp)
1383{
1384 return 0;
1385}
1386
1387static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1388{
1389 return 0;
1390}
1391
1392static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1393{
1394}
1395
1396static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1397{
1398 return 0;
1399}
1400
1401static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1402 struct xfrm_user_sec_ctx *sec_ctx)
1403{
1404 return 0;
1405}
1406
1407static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1408 struct xfrm_sec_ctx *polsec, u32 secid)
1409{
1410 return 0;
1411}
1412
1413static inline void security_xfrm_state_free(struct xfrm_state *x)
1414{
1415}
1416
1417static inline int security_xfrm_state_delete(struct xfrm_state *x)
1418{
1419 return 0;
1420}
1421
1422static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1423{
1424 return 0;
1425}
1426
1427static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1428 struct xfrm_policy *xp, const struct flowi *fl)
1429{
1430 return 1;
1431}
1432
1433static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1434{
1435 return 0;
1436}
1437
1438static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1439{
1440}
1441
1442#endif
1443
1444#ifdef CONFIG_SECURITY_PATH
1445int security_path_unlink(struct path *dir, struct dentry *dentry);
1446int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode);
1447int security_path_rmdir(struct path *dir, struct dentry *dentry);
1448int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
1449 unsigned int dev);
1450int security_path_truncate(struct path *path);
1451int security_path_symlink(struct path *dir, struct dentry *dentry,
1452 const char *old_name);
1453int security_path_link(struct dentry *old_dentry, struct path *new_dir,
1454 struct dentry *new_dentry);
1455int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
1456 struct path *new_dir, struct dentry *new_dentry,
1457 unsigned int flags);
1458int security_path_chmod(struct path *path, umode_t mode);
1459int security_path_chown(struct path *path, kuid_t uid, kgid_t gid);
1460int security_path_chroot(struct path *path);
1461#else
1462static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
1463{
1464 return 0;
1465}
1466
1467static inline int security_path_mkdir(struct path *dir, struct dentry *dentry,
1468 umode_t mode)
1469{
1470 return 0;
1471}
1472
1473static inline int security_path_rmdir(struct path *dir, struct dentry *dentry)
1474{
1475 return 0;
1476}
1477
1478static inline int security_path_mknod(struct path *dir, struct dentry *dentry,
1479 umode_t mode, unsigned int dev)
1480{
1481 return 0;
1482}
1483
1484static inline int security_path_truncate(struct path *path)
1485{
1486 return 0;
1487}
1488
1489static inline int security_path_symlink(struct path *dir, struct dentry *dentry,
1490 const char *old_name)
1491{
1492 return 0;
1493}
1494
1495static inline int security_path_link(struct dentry *old_dentry,
1496 struct path *new_dir,
1497 struct dentry *new_dentry)
1498{
1499 return 0;
1500}
1501
1502static inline int security_path_rename(struct path *old_dir,
1503 struct dentry *old_dentry,
1504 struct path *new_dir,
1505 struct dentry *new_dentry,
1506 unsigned int flags)
1507{
1508 return 0;
1509}
1510
1511static inline int security_path_chmod(struct path *path, umode_t mode)
1512{
1513 return 0;
1514}
1515
1516static inline int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
1517{
1518 return 0;
1519}
1520
1521static inline int security_path_chroot(struct path *path)
1522{
1523 return 0;
1524}
1525#endif
1526
1527#ifdef CONFIG_KEYS
1528#ifdef CONFIG_SECURITY
1529
1530int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1531void security_key_free(struct key *key);
1532int security_key_permission(key_ref_t key_ref,
1533 const struct cred *cred, unsigned perm);
1534int security_key_getsecurity(struct key *key, char **_buffer);
1535
1536#else
1537
1538static inline int security_key_alloc(struct key *key,
1539 const struct cred *cred,
1540 unsigned long flags)
1541{
1542 return 0;
1543}
1544
1545static inline void security_key_free(struct key *key)
1546{
1547}
1548
1549static inline int security_key_permission(key_ref_t key_ref,
1550 const struct cred *cred,
1551 unsigned perm)
1552{
1553 return 0;
1554}
1555
1556static inline int security_key_getsecurity(struct key *key, char **_buffer)
1557{
1558 *_buffer = NULL;
1559 return 0;
1560}
1561
1562#endif
1563#endif
1564
1565#ifdef CONFIG_AUDIT
1566#ifdef CONFIG_SECURITY
1567int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1568int security_audit_rule_known(struct audit_krule *krule);
1569int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1570 struct audit_context *actx);
1571void security_audit_rule_free(void *lsmrule);
1572
1573#else
1574
1575static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1576 void **lsmrule)
1577{
1578 return 0;
1579}
1580
1581static inline int security_audit_rule_known(struct audit_krule *krule)
1582{
1583 return 0;
1584}
1585
1586static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1587 void *lsmrule, struct audit_context *actx)
1588{
1589 return 0;
1590}
1591
1592static inline void security_audit_rule_free(void *lsmrule)
1593{ }
1594
1595#endif
1596#endif
1597
1598#ifdef CONFIG_SECURITYFS
1599
1600extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1601 struct dentry *parent, void *data,
1602 const struct file_operations *fops);
1603extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1604extern void securityfs_remove(struct dentry *dentry);
1605
1606#else
1607
1608static inline struct dentry *securityfs_create_dir(const char *name,
1609 struct dentry *parent)
1610{
1611 return ERR_PTR(-ENODEV);
1612}
1613
1614static inline struct dentry *securityfs_create_file(const char *name,
1615 umode_t mode,
1616 struct dentry *parent,
1617 void *data,
1618 const struct file_operations *fops)
1619{
1620 return ERR_PTR(-ENODEV);
1621}
1622
1623static inline void securityfs_remove(struct dentry *dentry)
1624{}
1625
1626#endif
1627
1628#ifdef CONFIG_SECURITY
1629
1630static inline char *alloc_secdata(void)
1631{
1632 return (char *)get_zeroed_page(GFP_KERNEL);
1633}
1634
1635static inline void free_secdata(void *secdata)
1636{
1637 free_page((unsigned long)secdata);
1638}
1639
1640#else
1641
1642static inline char *alloc_secdata(void)
1643{
1644 return (char *)1;
1645}
1646
1647static inline void free_secdata(void *secdata)
1648{ }
1649#endif
1650
1651#endif
1652
1653
