1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23#ifndef __LINUX_SECURITY_H
24#define __LINUX_SECURITY_H
25
26#include <linux/key.h>
27#include <linux/capability.h>
28#include <linux/fs.h>
29#include <linux/slab.h>
30#include <linux/err.h>
31#include <linux/string.h>
32#include <linux/mm.h>
33#include <linux/fs.h>
34
35struct linux_binprm;
36struct cred;
37struct rlimit;
38struct siginfo;
39struct sem_array;
40struct sembuf;
41struct kern_ipc_perm;
42struct audit_context;
43struct super_block;
44struct inode;
45struct dentry;
46struct file;
47struct vfsmount;
48struct path;
49struct qstr;
50struct iattr;
51struct fown_struct;
52struct file_operations;
53struct shmid_kernel;
54struct msg_msg;
55struct msg_queue;
56struct xattr;
57struct xfrm_sec_ctx;
58struct mm_struct;
59
60
61#define SECURITY_CAP_NOAUDIT 0
62#define SECURITY_CAP_AUDIT 1
63
64
65#define SECURITY_LSM_NATIVE_LABELS 1
66
67struct ctl_table;
68struct audit_krule;
69struct user_namespace;
70struct timezone;
71
72enum lsm_event {
73 LSM_POLICY_CHANGE,
74};
75
76
77extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
78 int cap, int audit);
79extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
80extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
81extern int cap_ptrace_traceme(struct task_struct *parent);
82extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
83extern int cap_capset(struct cred *new, const struct cred *old,
84 const kernel_cap_t *effective,
85 const kernel_cap_t *inheritable,
86 const kernel_cap_t *permitted);
87extern int cap_bprm_set_creds(struct linux_binprm *bprm);
88extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
89 const void *value, size_t size, int flags);
90extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
91extern int cap_inode_need_killpriv(struct dentry *dentry);
92extern int cap_inode_killpriv(struct dentry *dentry);
93extern int cap_inode_getsecurity(struct inode *inode, const char *name,
94 void **buffer, bool alloc);
95extern int cap_mmap_addr(unsigned long addr);
96extern int cap_mmap_file(struct file *file, unsigned long reqprot,
97 unsigned long prot, unsigned long flags);
98extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
99extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
100 unsigned long arg4, unsigned long arg5);
101extern int cap_task_setscheduler(struct task_struct *p);
102extern int cap_task_setioprio(struct task_struct *p, int ioprio);
103extern int cap_task_setnice(struct task_struct *p, int nice);
104extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
105
106struct msghdr;
107struct sk_buff;
108struct sock;
109struct sockaddr;
110struct socket;
111struct flowi;
112struct dst_entry;
113struct xfrm_selector;
114struct xfrm_policy;
115struct xfrm_state;
116struct xfrm_user_sec_ctx;
117struct seq_file;
118
119#ifdef CONFIG_MMU
120extern unsigned long mmap_min_addr;
121extern unsigned long dac_mmap_min_addr;
122#else
123#define mmap_min_addr 0UL
124#define dac_mmap_min_addr 0UL
125#endif
126
127
128
129
130
131#define LSM_SETID_ID 1
132
133
134#define LSM_SETID_RE 2
135
136
137#define LSM_SETID_RES 4
138
139
140#define LSM_SETID_FS 8
141
142
143#define LSM_PRLIMIT_READ 1
144#define LSM_PRLIMIT_WRITE 2
145
146
147struct sched_param;
148struct request_sock;
149
150
151#define LSM_UNSAFE_SHARE 1
152#define LSM_UNSAFE_PTRACE 2
153#define LSM_UNSAFE_NO_NEW_PRIVS 4
154
155#ifdef CONFIG_MMU
156extern int mmap_min_addr_handler(struct ctl_table *table, int write,
157 void __user *buffer, size_t *lenp, loff_t *ppos);
158#endif
159
160
161typedef int (*initxattrs) (struct inode *inode,
162 const struct xattr *xattr_array, void *fs_data);
163
164#ifdef CONFIG_SECURITY
165
166struct security_mnt_opts {
167 char **mnt_opts;
168 int *mnt_opts_flags;
169 int num_mnt_opts;
170};
171
172int call_lsm_notifier(enum lsm_event event, void *data);
173int register_lsm_notifier(struct notifier_block *nb);
174int unregister_lsm_notifier(struct notifier_block *nb);
175
176static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
177{
178 opts->mnt_opts = NULL;
179 opts->mnt_opts_flags = NULL;
180 opts->num_mnt_opts = 0;
181}
182
183static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
184{
185 int i;
186 if (opts->mnt_opts)
187 for (i = 0; i < opts->num_mnt_opts; i++)
188 kfree(opts->mnt_opts[i]);
189 kfree(opts->mnt_opts);
190 opts->mnt_opts = NULL;
191 kfree(opts->mnt_opts_flags);
192 opts->mnt_opts_flags = NULL;
193 opts->num_mnt_opts = 0;
194}
195
196
197extern int security_init(void);
198
199
200int security_binder_set_context_mgr(struct task_struct *mgr);
201int security_binder_transaction(struct task_struct *from,
202 struct task_struct *to);
203int security_binder_transfer_binder(struct task_struct *from,
204 struct task_struct *to);
205int security_binder_transfer_file(struct task_struct *from,
206 struct task_struct *to, struct file *file);
207int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
208int security_ptrace_traceme(struct task_struct *parent);
209int security_capget(struct task_struct *target,
210 kernel_cap_t *effective,
211 kernel_cap_t *inheritable,
212 kernel_cap_t *permitted);
213int security_capset(struct cred *new, const struct cred *old,
214 const kernel_cap_t *effective,
215 const kernel_cap_t *inheritable,
216 const kernel_cap_t *permitted);
217int security_capable(const struct cred *cred, struct user_namespace *ns,
218 int cap);
219int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
220 int cap);
221int security_quotactl(int cmds, int type, int id, struct super_block *sb);
222int security_quota_on(struct dentry *dentry);
223int security_syslog(int type);
224int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
225static inline int security_settime(const struct timespec *ts, const struct timezone *tz)
226{
227 struct timespec64 ts64 = timespec_to_timespec64(*ts);
228
229 return security_settime64(&ts64, tz);
230}
231int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
232int security_bprm_set_creds(struct linux_binprm *bprm);
233int security_bprm_check(struct linux_binprm *bprm);
234void security_bprm_committing_creds(struct linux_binprm *bprm);
235void security_bprm_committed_creds(struct linux_binprm *bprm);
236int security_sb_alloc(struct super_block *sb);
237void security_sb_free(struct super_block *sb);
238int security_sb_copy_data(char *orig, char *copy);
239int security_sb_remount(struct super_block *sb, void *data);
240int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
241int security_sb_show_options(struct seq_file *m, struct super_block *sb);
242int security_sb_statfs(struct dentry *dentry);
243int security_sb_mount(const char *dev_name, const struct path *path,
244 const char *type, unsigned long flags, void *data);
245int security_sb_umount(struct vfsmount *mnt, int flags);
246int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
247int security_sb_set_mnt_opts(struct super_block *sb,
248 struct security_mnt_opts *opts,
249 unsigned long kern_flags,
250 unsigned long *set_kern_flags);
251int security_sb_clone_mnt_opts(const struct super_block *oldsb,
252 struct super_block *newsb,
253 unsigned long kern_flags,
254 unsigned long *set_kern_flags);
255int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
256int security_dentry_init_security(struct dentry *dentry, int mode,
257 const struct qstr *name, void **ctx,
258 u32 *ctxlen);
259int security_dentry_create_files_as(struct dentry *dentry, int mode,
260 struct qstr *name,
261 const struct cred *old,
262 struct cred *new);
263
264int security_inode_alloc(struct inode *inode);
265void security_inode_free(struct inode *inode);
266int security_inode_init_security(struct inode *inode, struct inode *dir,
267 const struct qstr *qstr,
268 initxattrs initxattrs, void *fs_data);
269int security_old_inode_init_security(struct inode *inode, struct inode *dir,
270 const struct qstr *qstr, const char **name,
271 void **value, size_t *len);
272int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
273int security_inode_link(struct dentry *old_dentry, struct inode *dir,
274 struct dentry *new_dentry);
275int security_inode_unlink(struct inode *dir, struct dentry *dentry);
276int security_inode_symlink(struct inode *dir, struct dentry *dentry,
277 const char *old_name);
278int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
279int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
280int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
281int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
282 struct inode *new_dir, struct dentry *new_dentry,
283 unsigned int flags);
284int security_inode_readlink(struct dentry *dentry);
285int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
286 bool rcu);
287int security_inode_permission(struct inode *inode, int mask);
288int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
289int security_inode_getattr(const struct path *path);
290int security_inode_setxattr(struct dentry *dentry, const char *name,
291 const void *value, size_t size, int flags);
292void security_inode_post_setxattr(struct dentry *dentry, const char *name,
293 const void *value, size_t size, int flags);
294int security_inode_getxattr(struct dentry *dentry, const char *name);
295int security_inode_listxattr(struct dentry *dentry);
296int security_inode_removexattr(struct dentry *dentry, const char *name);
297int security_inode_need_killpriv(struct dentry *dentry);
298int security_inode_killpriv(struct dentry *dentry);
299int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
300int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
301int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
302void security_inode_getsecid(struct inode *inode, u32 *secid);
303int security_inode_copy_up(struct dentry *src, struct cred **new);
304int security_inode_copy_up_xattr(const char *name);
305int security_file_permission(struct file *file, int mask);
306int security_file_alloc(struct file *file);
307void security_file_free(struct file *file);
308int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
309int security_mmap_file(struct file *file, unsigned long prot,
310 unsigned long flags);
311int security_mmap_addr(unsigned long addr);
312int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
313 unsigned long prot);
314int security_file_lock(struct file *file, unsigned int cmd);
315int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
316void security_file_set_fowner(struct file *file);
317int security_file_send_sigiotask(struct task_struct *tsk,
318 struct fown_struct *fown, int sig);
319int security_file_receive(struct file *file);
320int security_file_open(struct file *file, const struct cred *cred);
321int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
322void security_task_free(struct task_struct *task);
323int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
324void security_cred_free(struct cred *cred);
325int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
326void security_transfer_creds(struct cred *new, const struct cred *old);
327int security_kernel_act_as(struct cred *new, u32 secid);
328int security_kernel_create_files_as(struct cred *new, struct inode *inode);
329int security_kernel_module_request(char *kmod_name);
330int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
331int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
332 enum kernel_read_file_id id);
333int security_task_fix_setuid(struct cred *new, const struct cred *old,
334 int flags);
335int security_task_setpgid(struct task_struct *p, pid_t pgid);
336int security_task_getpgid(struct task_struct *p);
337int security_task_getsid(struct task_struct *p);
338void security_task_getsecid(struct task_struct *p, u32 *secid);
339int security_task_setnice(struct task_struct *p, int nice);
340int security_task_setioprio(struct task_struct *p, int ioprio);
341int security_task_getioprio(struct task_struct *p);
342int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
343 unsigned int flags);
344int security_task_setrlimit(struct task_struct *p, unsigned int resource,
345 struct rlimit *new_rlim);
346int security_task_setscheduler(struct task_struct *p);
347int security_task_getscheduler(struct task_struct *p);
348int security_task_movememory(struct task_struct *p);
349int security_task_kill(struct task_struct *p, struct siginfo *info,
350 int sig, u32 secid);
351int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
352 unsigned long arg4, unsigned long arg5);
353void security_task_to_inode(struct task_struct *p, struct inode *inode);
354int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
355void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
356int security_msg_msg_alloc(struct msg_msg *msg);
357void security_msg_msg_free(struct msg_msg *msg);
358int security_msg_queue_alloc(struct msg_queue *msq);
359void security_msg_queue_free(struct msg_queue *msq);
360int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
361int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
362int security_msg_queue_msgsnd(struct msg_queue *msq,
363 struct msg_msg *msg, int msqflg);
364int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
365 struct task_struct *target, long type, int mode);
366int security_shm_alloc(struct shmid_kernel *shp);
367void security_shm_free(struct shmid_kernel *shp);
368int security_shm_associate(struct shmid_kernel *shp, int shmflg);
369int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
370int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
371int security_sem_alloc(struct sem_array *sma);
372void security_sem_free(struct sem_array *sma);
373int security_sem_associate(struct sem_array *sma, int semflg);
374int security_sem_semctl(struct sem_array *sma, int cmd);
375int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
376 unsigned nsops, int alter);
377void security_d_instantiate(struct dentry *dentry, struct inode *inode);
378int security_getprocattr(struct task_struct *p, char *name, char **value);
379int security_setprocattr(const char *name, void *value, size_t size);
380int security_netlink_send(struct sock *sk, struct sk_buff *skb);
381int security_ismaclabel(const char *name);
382int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
383int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
384void security_release_secctx(char *secdata, u32 seclen);
385
386void security_inode_invalidate_secctx(struct inode *inode);
387int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
388int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
389int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
390#else
391struct security_mnt_opts {
392};
393
394static inline int call_lsm_notifier(enum lsm_event event, void *data)
395{
396 return 0;
397}
398
399static inline int register_lsm_notifier(struct notifier_block *nb)
400{
401 return 0;
402}
403
404static inline int unregister_lsm_notifier(struct notifier_block *nb)
405{
406 return 0;
407}
408
409static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
410{
411}
412
413static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
414{
415}
416
417
418
419
420
421
422static inline int security_init(void)
423{
424 return 0;
425}
426
427static inline int security_binder_set_context_mgr(struct task_struct *mgr)
428{
429 return 0;
430}
431
432static inline int security_binder_transaction(struct task_struct *from,
433 struct task_struct *to)
434{
435 return 0;
436}
437
438static inline int security_binder_transfer_binder(struct task_struct *from,
439 struct task_struct *to)
440{
441 return 0;
442}
443
444static inline int security_binder_transfer_file(struct task_struct *from,
445 struct task_struct *to,
446 struct file *file)
447{
448 return 0;
449}
450
451static inline int security_ptrace_access_check(struct task_struct *child,
452 unsigned int mode)
453{
454 return cap_ptrace_access_check(child, mode);
455}
456
457static inline int security_ptrace_traceme(struct task_struct *parent)
458{
459 return cap_ptrace_traceme(parent);
460}
461
462static inline int security_capget(struct task_struct *target,
463 kernel_cap_t *effective,
464 kernel_cap_t *inheritable,
465 kernel_cap_t *permitted)
466{
467 return cap_capget(target, effective, inheritable, permitted);
468}
469
470static inline int security_capset(struct cred *new,
471 const struct cred *old,
472 const kernel_cap_t *effective,
473 const kernel_cap_t *inheritable,
474 const kernel_cap_t *permitted)
475{
476 return cap_capset(new, old, effective, inheritable, permitted);
477}
478
479static inline int security_capable(const struct cred *cred,
480 struct user_namespace *ns, int cap)
481{
482 return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
483}
484
485static inline int security_capable_noaudit(const struct cred *cred,
486 struct user_namespace *ns, int cap) {
487 return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
488}
489
490static inline int security_quotactl(int cmds, int type, int id,
491 struct super_block *sb)
492{
493 return 0;
494}
495
496static inline int security_quota_on(struct dentry *dentry)
497{
498 return 0;
499}
500
501static inline int security_syslog(int type)
502{
503 return 0;
504}
505
506static inline int security_settime64(const struct timespec64 *ts,
507 const struct timezone *tz)
508{
509 return cap_settime(ts, tz);
510}
511
512static inline int security_settime(const struct timespec *ts,
513 const struct timezone *tz)
514{
515 struct timespec64 ts64 = timespec_to_timespec64(*ts);
516
517 return cap_settime(&ts64, tz);
518}
519
520static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
521{
522 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
523}
524
525static inline int security_bprm_set_creds(struct linux_binprm *bprm)
526{
527 return cap_bprm_set_creds(bprm);
528}
529
530static inline int security_bprm_check(struct linux_binprm *bprm)
531{
532 return 0;
533}
534
535static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
536{
537}
538
539static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
540{
541}
542
543static inline int security_sb_alloc(struct super_block *sb)
544{
545 return 0;
546}
547
548static inline void security_sb_free(struct super_block *sb)
549{ }
550
551static inline int security_sb_copy_data(char *orig, char *copy)
552{
553 return 0;
554}
555
556static inline int security_sb_remount(struct super_block *sb, void *data)
557{
558 return 0;
559}
560
561static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
562{
563 return 0;
564}
565
566static inline int security_sb_show_options(struct seq_file *m,
567 struct super_block *sb)
568{
569 return 0;
570}
571
572static inline int security_sb_statfs(struct dentry *dentry)
573{
574 return 0;
575}
576
577static inline int security_sb_mount(const char *dev_name, const struct path *path,
578 const char *type, unsigned long flags,
579 void *data)
580{
581 return 0;
582}
583
584static inline int security_sb_umount(struct vfsmount *mnt, int flags)
585{
586 return 0;
587}
588
589static inline int security_sb_pivotroot(const struct path *old_path,
590 const struct path *new_path)
591{
592 return 0;
593}
594
595static inline int security_sb_set_mnt_opts(struct super_block *sb,
596 struct security_mnt_opts *opts,
597 unsigned long kern_flags,
598 unsigned long *set_kern_flags)
599{
600 return 0;
601}
602
603static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
604 struct super_block *newsb,
605 unsigned long kern_flags,
606 unsigned long *set_kern_flags)
607{
608 return 0;
609}
610
611static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
612{
613 return 0;
614}
615
616static inline int security_inode_alloc(struct inode *inode)
617{
618 return 0;
619}
620
621static inline void security_inode_free(struct inode *inode)
622{ }
623
624static inline int security_dentry_init_security(struct dentry *dentry,
625 int mode,
626 const struct qstr *name,
627 void **ctx,
628 u32 *ctxlen)
629{
630 return -EOPNOTSUPP;
631}
632
633static inline int security_dentry_create_files_as(struct dentry *dentry,
634 int mode, struct qstr *name,
635 const struct cred *old,
636 struct cred *new)
637{
638 return 0;
639}
640
641
642static inline int security_inode_init_security(struct inode *inode,
643 struct inode *dir,
644 const struct qstr *qstr,
645 const initxattrs xattrs,
646 void *fs_data)
647{
648 return 0;
649}
650
651static inline int security_old_inode_init_security(struct inode *inode,
652 struct inode *dir,
653 const struct qstr *qstr,
654 const char **name,
655 void **value, size_t *len)
656{
657 return -EOPNOTSUPP;
658}
659
660static inline int security_inode_create(struct inode *dir,
661 struct dentry *dentry,
662 umode_t mode)
663{
664 return 0;
665}
666
667static inline int security_inode_link(struct dentry *old_dentry,
668 struct inode *dir,
669 struct dentry *new_dentry)
670{
671 return 0;
672}
673
674static inline int security_inode_unlink(struct inode *dir,
675 struct dentry *dentry)
676{
677 return 0;
678}
679
680static inline int security_inode_symlink(struct inode *dir,
681 struct dentry *dentry,
682 const char *old_name)
683{
684 return 0;
685}
686
687static inline int security_inode_mkdir(struct inode *dir,
688 struct dentry *dentry,
689 int mode)
690{
691 return 0;
692}
693
694static inline int security_inode_rmdir(struct inode *dir,
695 struct dentry *dentry)
696{
697 return 0;
698}
699
700static inline int security_inode_mknod(struct inode *dir,
701 struct dentry *dentry,
702 int mode, dev_t dev)
703{
704 return 0;
705}
706
707static inline int security_inode_rename(struct inode *old_dir,
708 struct dentry *old_dentry,
709 struct inode *new_dir,
710 struct dentry *new_dentry,
711 unsigned int flags)
712{
713 return 0;
714}
715
716static inline int security_inode_readlink(struct dentry *dentry)
717{
718 return 0;
719}
720
721static inline int security_inode_follow_link(struct dentry *dentry,
722 struct inode *inode,
723 bool rcu)
724{
725 return 0;
726}
727
728static inline int security_inode_permission(struct inode *inode, int mask)
729{
730 return 0;
731}
732
733static inline int security_inode_setattr(struct dentry *dentry,
734 struct iattr *attr)
735{
736 return 0;
737}
738
739static inline int security_inode_getattr(const struct path *path)
740{
741 return 0;
742}
743
744static inline int security_inode_setxattr(struct dentry *dentry,
745 const char *name, const void *value, size_t size, int flags)
746{
747 return cap_inode_setxattr(dentry, name, value, size, flags);
748}
749
750static inline void security_inode_post_setxattr(struct dentry *dentry,
751 const char *name, const void *value, size_t size, int flags)
752{ }
753
754static inline int security_inode_getxattr(struct dentry *dentry,
755 const char *name)
756{
757 return 0;
758}
759
760static inline int security_inode_listxattr(struct dentry *dentry)
761{
762 return 0;
763}
764
765static inline int security_inode_removexattr(struct dentry *dentry,
766 const char *name)
767{
768 return cap_inode_removexattr(dentry, name);
769}
770
771static inline int security_inode_need_killpriv(struct dentry *dentry)
772{
773 return cap_inode_need_killpriv(dentry);
774}
775
776static inline int security_inode_killpriv(struct dentry *dentry)
777{
778 return cap_inode_killpriv(dentry);
779}
780
781static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
782{
783 return -EOPNOTSUPP;
784}
785
786static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
787{
788 return -EOPNOTSUPP;
789}
790
791static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
792{
793 return 0;
794}
795
796static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
797{
798 *secid = 0;
799}
800
801static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
802{
803 return 0;
804}
805
806static inline int security_inode_copy_up_xattr(const char *name)
807{
808 return -EOPNOTSUPP;
809}
810
811static inline int security_file_permission(struct file *file, int mask)
812{
813 return 0;
814}
815
816static inline int security_file_alloc(struct file *file)
817{
818 return 0;
819}
820
821static inline void security_file_free(struct file *file)
822{ }
823
824static inline int security_file_ioctl(struct file *file, unsigned int cmd,
825 unsigned long arg)
826{
827 return 0;
828}
829
830static inline int security_mmap_file(struct file *file, unsigned long prot,
831 unsigned long flags)
832{
833 return 0;
834}
835
836static inline int security_mmap_addr(unsigned long addr)
837{
838 return cap_mmap_addr(addr);
839}
840
841static inline int security_file_mprotect(struct vm_area_struct *vma,
842 unsigned long reqprot,
843 unsigned long prot)
844{
845 return 0;
846}
847
848static inline int security_file_lock(struct file *file, unsigned int cmd)
849{
850 return 0;
851}
852
853static inline int security_file_fcntl(struct file *file, unsigned int cmd,
854 unsigned long arg)
855{
856 return 0;
857}
858
859static inline void security_file_set_fowner(struct file *file)
860{
861 return;
862}
863
864static inline int security_file_send_sigiotask(struct task_struct *tsk,
865 struct fown_struct *fown,
866 int sig)
867{
868 return 0;
869}
870
871static inline int security_file_receive(struct file *file)
872{
873 return 0;
874}
875
876static inline int security_file_open(struct file *file,
877 const struct cred *cred)
878{
879 return 0;
880}
881
882static inline int security_task_alloc(struct task_struct *task,
883 unsigned long clone_flags)
884{
885 return 0;
886}
887
888static inline void security_task_free(struct task_struct *task)
889{ }
890
891static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
892{
893 return 0;
894}
895
896static inline void security_cred_free(struct cred *cred)
897{ }
898
899static inline int security_prepare_creds(struct cred *new,
900 const struct cred *old,
901 gfp_t gfp)
902{
903 return 0;
904}
905
906static inline void security_transfer_creds(struct cred *new,
907 const struct cred *old)
908{
909}
910
911static inline int security_kernel_act_as(struct cred *cred, u32 secid)
912{
913 return 0;
914}
915
916static inline int security_kernel_create_files_as(struct cred *cred,
917 struct inode *inode)
918{
919 return 0;
920}
921
922static inline int security_kernel_module_request(char *kmod_name)
923{
924 return 0;
925}
926
927static inline int security_kernel_read_file(struct file *file,
928 enum kernel_read_file_id id)
929{
930 return 0;
931}
932
933static inline int security_kernel_post_read_file(struct file *file,
934 char *buf, loff_t size,
935 enum kernel_read_file_id id)
936{
937 return 0;
938}
939
940static inline int security_task_fix_setuid(struct cred *new,
941 const struct cred *old,
942 int flags)
943{
944 return cap_task_fix_setuid(new, old, flags);
945}
946
947static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
948{
949 return 0;
950}
951
952static inline int security_task_getpgid(struct task_struct *p)
953{
954 return 0;
955}
956
957static inline int security_task_getsid(struct task_struct *p)
958{
959 return 0;
960}
961
962static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
963{
964 *secid = 0;
965}
966
967static inline int security_task_setnice(struct task_struct *p, int nice)
968{
969 return cap_task_setnice(p, nice);
970}
971
972static inline int security_task_setioprio(struct task_struct *p, int ioprio)
973{
974 return cap_task_setioprio(p, ioprio);
975}
976
977static inline int security_task_getioprio(struct task_struct *p)
978{
979 return 0;
980}
981
982static inline int security_task_prlimit(const struct cred *cred,
983 const struct cred *tcred,
984 unsigned int flags)
985{
986 return 0;
987}
988
989static inline int security_task_setrlimit(struct task_struct *p,
990 unsigned int resource,
991 struct rlimit *new_rlim)
992{
993 return 0;
994}
995
996static inline int security_task_setscheduler(struct task_struct *p)
997{
998 return cap_task_setscheduler(p);
999}
1000
1001static inline int security_task_getscheduler(struct task_struct *p)
1002{
1003 return 0;
1004}
1005
1006static inline int security_task_movememory(struct task_struct *p)
1007{
1008 return 0;
1009}
1010
1011static inline int security_task_kill(struct task_struct *p,
1012 struct siginfo *info, int sig,
1013 u32 secid)
1014{
1015 return 0;
1016}
1017
1018static inline int security_task_prctl(int option, unsigned long arg2,
1019 unsigned long arg3,
1020 unsigned long arg4,
1021 unsigned long arg5)
1022{
1023 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1024}
1025
1026static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1027{ }
1028
1029static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1030 short flag)
1031{
1032 return 0;
1033}
1034
1035static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1036{
1037 *secid = 0;
1038}
1039
1040static inline int security_msg_msg_alloc(struct msg_msg *msg)
1041{
1042 return 0;
1043}
1044
1045static inline void security_msg_msg_free(struct msg_msg *msg)
1046{ }
1047
1048static inline int security_msg_queue_alloc(struct msg_queue *msq)
1049{
1050 return 0;
1051}
1052
1053static inline void security_msg_queue_free(struct msg_queue *msq)
1054{ }
1055
1056static inline int security_msg_queue_associate(struct msg_queue *msq,
1057 int msqflg)
1058{
1059 return 0;
1060}
1061
1062static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
1063{
1064 return 0;
1065}
1066
1067static inline int security_msg_queue_msgsnd(struct msg_queue *msq,
1068 struct msg_msg *msg, int msqflg)
1069{
1070 return 0;
1071}
1072
1073static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
1074 struct msg_msg *msg,
1075 struct task_struct *target,
1076 long type, int mode)
1077{
1078 return 0;
1079}
1080
1081static inline int security_shm_alloc(struct shmid_kernel *shp)
1082{
1083 return 0;
1084}
1085
1086static inline void security_shm_free(struct shmid_kernel *shp)
1087{ }
1088
1089static inline int security_shm_associate(struct shmid_kernel *shp,
1090 int shmflg)
1091{
1092 return 0;
1093}
1094
1095static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
1096{
1097 return 0;
1098}
1099
1100static inline int security_shm_shmat(struct shmid_kernel *shp,
1101 char __user *shmaddr, int shmflg)
1102{
1103 return 0;
1104}
1105
1106static inline int security_sem_alloc(struct sem_array *sma)
1107{
1108 return 0;
1109}
1110
1111static inline void security_sem_free(struct sem_array *sma)
1112{ }
1113
1114static inline int security_sem_associate(struct sem_array *sma, int semflg)
1115{
1116 return 0;
1117}
1118
1119static inline int security_sem_semctl(struct sem_array *sma, int cmd)
1120{
1121 return 0;
1122}
1123
1124static inline int security_sem_semop(struct sem_array *sma,
1125 struct sembuf *sops, unsigned nsops,
1126 int alter)
1127{
1128 return 0;
1129}
1130
1131static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
1132{ }
1133
1134static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
1135{
1136 return -EINVAL;
1137}
1138
1139static inline int security_setprocattr(char *name, void *value, size_t size)
1140{
1141 return -EINVAL;
1142}
1143
1144static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1145{
1146 return 0;
1147}
1148
1149static inline int security_ismaclabel(const char *name)
1150{
1151 return 0;
1152}
1153
1154static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1155{
1156 return -EOPNOTSUPP;
1157}
1158
1159static inline int security_secctx_to_secid(const char *secdata,
1160 u32 seclen,
1161 u32 *secid)
1162{
1163 return -EOPNOTSUPP;
1164}
1165
1166static inline void security_release_secctx(char *secdata, u32 seclen)
1167{
1168}
1169
1170static inline void security_inode_invalidate_secctx(struct inode *inode)
1171{
1172}
1173
1174static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1175{
1176 return -EOPNOTSUPP;
1177}
1178static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1179{
1180 return -EOPNOTSUPP;
1181}
1182static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1183{
1184 return -EOPNOTSUPP;
1185}
1186#endif
1187
1188#ifdef CONFIG_SECURITY_NETWORK
1189
1190int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1191int security_unix_may_send(struct socket *sock, struct socket *other);
1192int security_socket_create(int family, int type, int protocol, int kern);
1193int security_socket_post_create(struct socket *sock, int family,
1194 int type, int protocol, int kern);
1195int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1196int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1197int security_socket_listen(struct socket *sock, int backlog);
1198int security_socket_accept(struct socket *sock, struct socket *newsock);
1199int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1200int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1201 int size, int flags);
1202int security_socket_getsockname(struct socket *sock);
1203int security_socket_getpeername(struct socket *sock);
1204int security_socket_getsockopt(struct socket *sock, int level, int optname);
1205int security_socket_setsockopt(struct socket *sock, int level, int optname);
1206int security_socket_shutdown(struct socket *sock, int how);
1207int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1208int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1209 int __user *optlen, unsigned len);
1210int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1211int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1212void security_sk_free(struct sock *sk);
1213void security_sk_clone(const struct sock *sk, struct sock *newsk);
1214void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1215void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1216void security_sock_graft(struct sock*sk, struct socket *parent);
1217int security_inet_conn_request(struct sock *sk,
1218 struct sk_buff *skb, struct request_sock *req);
1219void security_inet_csk_clone(struct sock *newsk,
1220 const struct request_sock *req);
1221void security_inet_conn_established(struct sock *sk,
1222 struct sk_buff *skb);
1223int security_secmark_relabel_packet(u32 secid);
1224void security_secmark_refcount_inc(void);
1225void security_secmark_refcount_dec(void);
1226int security_tun_dev_alloc_security(void **security);
1227void security_tun_dev_free_security(void *security);
1228int security_tun_dev_create(void);
1229int security_tun_dev_attach_queue(void *security);
1230int security_tun_dev_attach(struct sock *sk, void *security);
1231int security_tun_dev_open(void *security);
1232
1233#else
1234static inline int security_unix_stream_connect(struct sock *sock,
1235 struct sock *other,
1236 struct sock *newsk)
1237{
1238 return 0;
1239}
1240
1241static inline int security_unix_may_send(struct socket *sock,
1242 struct socket *other)
1243{
1244 return 0;
1245}
1246
1247static inline int security_socket_create(int family, int type,
1248 int protocol, int kern)
1249{
1250 return 0;
1251}
1252
1253static inline int security_socket_post_create(struct socket *sock,
1254 int family,
1255 int type,
1256 int protocol, int kern)
1257{
1258 return 0;
1259}
1260
1261static inline int security_socket_bind(struct socket *sock,
1262 struct sockaddr *address,
1263 int addrlen)
1264{
1265 return 0;
1266}
1267
1268static inline int security_socket_connect(struct socket *sock,
1269 struct sockaddr *address,
1270 int addrlen)
1271{
1272 return 0;
1273}
1274
1275static inline int security_socket_listen(struct socket *sock, int backlog)
1276{
1277 return 0;
1278}
1279
1280static inline int security_socket_accept(struct socket *sock,
1281 struct socket *newsock)
1282{
1283 return 0;
1284}
1285
1286static inline int security_socket_sendmsg(struct socket *sock,
1287 struct msghdr *msg, int size)
1288{
1289 return 0;
1290}
1291
1292static inline int security_socket_recvmsg(struct socket *sock,
1293 struct msghdr *msg, int size,
1294 int flags)
1295{
1296 return 0;
1297}
1298
1299static inline int security_socket_getsockname(struct socket *sock)
1300{
1301 return 0;
1302}
1303
1304static inline int security_socket_getpeername(struct socket *sock)
1305{
1306 return 0;
1307}
1308
1309static inline int security_socket_getsockopt(struct socket *sock,
1310 int level, int optname)
1311{
1312 return 0;
1313}
1314
1315static inline int security_socket_setsockopt(struct socket *sock,
1316 int level, int optname)
1317{
1318 return 0;
1319}
1320
1321static inline int security_socket_shutdown(struct socket *sock, int how)
1322{
1323 return 0;
1324}
1325static inline int security_sock_rcv_skb(struct sock *sk,
1326 struct sk_buff *skb)
1327{
1328 return 0;
1329}
1330
1331static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1332 int __user *optlen, unsigned len)
1333{
1334 return -ENOPROTOOPT;
1335}
1336
1337static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1338{
1339 return -ENOPROTOOPT;
1340}
1341
1342static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1343{
1344 return 0;
1345}
1346
1347static inline void security_sk_free(struct sock *sk)
1348{
1349}
1350
1351static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1352{
1353}
1354
1355static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1356{
1357}
1358
1359static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1360{
1361}
1362
1363static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1364{
1365}
1366
1367static inline int security_inet_conn_request(struct sock *sk,
1368 struct sk_buff *skb, struct request_sock *req)
1369{
1370 return 0;
1371}
1372
1373static inline void security_inet_csk_clone(struct sock *newsk,
1374 const struct request_sock *req)
1375{
1376}
1377
1378static inline void security_inet_conn_established(struct sock *sk,
1379 struct sk_buff *skb)
1380{
1381}
1382
1383static inline int security_secmark_relabel_packet(u32 secid)
1384{
1385 return 0;
1386}
1387
1388static inline void security_secmark_refcount_inc(void)
1389{
1390}
1391
1392static inline void security_secmark_refcount_dec(void)
1393{
1394}
1395
1396static inline int security_tun_dev_alloc_security(void **security)
1397{
1398 return 0;
1399}
1400
1401static inline void security_tun_dev_free_security(void *security)
1402{
1403}
1404
1405static inline int security_tun_dev_create(void)
1406{
1407 return 0;
1408}
1409
1410static inline int security_tun_dev_attach_queue(void *security)
1411{
1412 return 0;
1413}
1414
1415static inline int security_tun_dev_attach(struct sock *sk, void *security)
1416{
1417 return 0;
1418}
1419
1420static inline int security_tun_dev_open(void *security)
1421{
1422 return 0;
1423}
1424#endif
1425
1426#ifdef CONFIG_SECURITY_INFINIBAND
1427int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1428int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1429int security_ib_alloc_security(void **sec);
1430void security_ib_free_security(void *sec);
1431#else
1432static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1433{
1434 return 0;
1435}
1436
1437static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1438{
1439 return 0;
1440}
1441
1442static inline int security_ib_alloc_security(void **sec)
1443{
1444 return 0;
1445}
1446
1447static inline void security_ib_free_security(void *sec)
1448{
1449}
1450#endif
1451
1452#ifdef CONFIG_SECURITY_NETWORK_XFRM
1453
1454int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1455 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1456int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1457void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1458int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1459int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1460int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1461 struct xfrm_sec_ctx *polsec, u32 secid);
1462int security_xfrm_state_delete(struct xfrm_state *x);
1463void security_xfrm_state_free(struct xfrm_state *x);
1464int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1465int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1466 struct xfrm_policy *xp,
1467 const struct flowi *fl);
1468int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1469void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1470
1471#else
1472
1473static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1474 struct xfrm_user_sec_ctx *sec_ctx,
1475 gfp_t gfp)
1476{
1477 return 0;
1478}
1479
1480static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1481{
1482 return 0;
1483}
1484
1485static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1486{
1487}
1488
1489static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1490{
1491 return 0;
1492}
1493
1494static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1495 struct xfrm_user_sec_ctx *sec_ctx)
1496{
1497 return 0;
1498}
1499
1500static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1501 struct xfrm_sec_ctx *polsec, u32 secid)
1502{
1503 return 0;
1504}
1505
1506static inline void security_xfrm_state_free(struct xfrm_state *x)
1507{
1508}
1509
1510static inline int security_xfrm_state_delete(struct xfrm_state *x)
1511{
1512 return 0;
1513}
1514
1515static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1516{
1517 return 0;
1518}
1519
1520static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1521 struct xfrm_policy *xp, const struct flowi *fl)
1522{
1523 return 1;
1524}
1525
1526static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1527{
1528 return 0;
1529}
1530
1531static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1532{
1533}
1534
1535#endif
1536
1537#ifdef CONFIG_SECURITY_PATH
1538int security_path_unlink(const struct path *dir, struct dentry *dentry);
1539int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1540int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1541int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1542 unsigned int dev);
1543int security_path_truncate(const struct path *path);
1544int security_path_symlink(const struct path *dir, struct dentry *dentry,
1545 const char *old_name);
1546int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1547 struct dentry *new_dentry);
1548int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1549 const struct path *new_dir, struct dentry *new_dentry,
1550 unsigned int flags);
1551int security_path_chmod(const struct path *path, umode_t mode);
1552int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1553int security_path_chroot(const struct path *path);
1554#else
1555static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1556{
1557 return 0;
1558}
1559
1560static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1561 umode_t mode)
1562{
1563 return 0;
1564}
1565
1566static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1567{
1568 return 0;
1569}
1570
1571static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1572 umode_t mode, unsigned int dev)
1573{
1574 return 0;
1575}
1576
1577static inline int security_path_truncate(const struct path *path)
1578{
1579 return 0;
1580}
1581
1582static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1583 const char *old_name)
1584{
1585 return 0;
1586}
1587
1588static inline int security_path_link(struct dentry *old_dentry,
1589 const struct path *new_dir,
1590 struct dentry *new_dentry)
1591{
1592 return 0;
1593}
1594
1595static inline int security_path_rename(const struct path *old_dir,
1596 struct dentry *old_dentry,
1597 const struct path *new_dir,
1598 struct dentry *new_dentry,
1599 unsigned int flags)
1600{
1601 return 0;
1602}
1603
1604static inline int security_path_chmod(const struct path *path, umode_t mode)
1605{
1606 return 0;
1607}
1608
1609static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1610{
1611 return 0;
1612}
1613
1614static inline int security_path_chroot(const struct path *path)
1615{
1616 return 0;
1617}
1618#endif
1619
1620#ifdef CONFIG_KEYS
1621#ifdef CONFIG_SECURITY
1622
1623int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1624void security_key_free(struct key *key);
1625int security_key_permission(key_ref_t key_ref,
1626 const struct cred *cred, unsigned perm);
1627int security_key_getsecurity(struct key *key, char **_buffer);
1628
1629#else
1630
1631static inline int security_key_alloc(struct key *key,
1632 const struct cred *cred,
1633 unsigned long flags)
1634{
1635 return 0;
1636}
1637
1638static inline void security_key_free(struct key *key)
1639{
1640}
1641
1642static inline int security_key_permission(key_ref_t key_ref,
1643 const struct cred *cred,
1644 unsigned perm)
1645{
1646 return 0;
1647}
1648
1649static inline int security_key_getsecurity(struct key *key, char **_buffer)
1650{
1651 *_buffer = NULL;
1652 return 0;
1653}
1654
1655#endif
1656#endif
1657
1658#ifdef CONFIG_AUDIT
1659#ifdef CONFIG_SECURITY
1660int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1661int security_audit_rule_known(struct audit_krule *krule);
1662int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1663 struct audit_context *actx);
1664void security_audit_rule_free(void *lsmrule);
1665
1666#else
1667
1668static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1669 void **lsmrule)
1670{
1671 return 0;
1672}
1673
1674static inline int security_audit_rule_known(struct audit_krule *krule)
1675{
1676 return 0;
1677}
1678
1679static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1680 void *lsmrule, struct audit_context *actx)
1681{
1682 return 0;
1683}
1684
1685static inline void security_audit_rule_free(void *lsmrule)
1686{ }
1687
1688#endif
1689#endif
1690
1691#ifdef CONFIG_SECURITYFS
1692
1693extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1694 struct dentry *parent, void *data,
1695 const struct file_operations *fops);
1696extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1697struct dentry *securityfs_create_symlink(const char *name,
1698 struct dentry *parent,
1699 const char *target,
1700 const struct inode_operations *iops);
1701extern void securityfs_remove(struct dentry *dentry);
1702
1703#else
1704
1705static inline struct dentry *securityfs_create_dir(const char *name,
1706 struct dentry *parent)
1707{
1708 return ERR_PTR(-ENODEV);
1709}
1710
1711static inline struct dentry *securityfs_create_file(const char *name,
1712 umode_t mode,
1713 struct dentry *parent,
1714 void *data,
1715 const struct file_operations *fops)
1716{
1717 return ERR_PTR(-ENODEV);
1718}
1719
1720static inline struct dentry *securityfs_create_symlink(const char *name,
1721 struct dentry *parent,
1722 const char *target,
1723 const struct inode_operations *iops)
1724{
1725 return ERR_PTR(-ENODEV);
1726}
1727
1728static inline void securityfs_remove(struct dentry *dentry)
1729{}
1730
1731#endif
1732
1733#ifdef CONFIG_SECURITY
1734
1735static inline char *alloc_secdata(void)
1736{
1737 return (char *)get_zeroed_page(GFP_KERNEL);
1738}
1739
1740static inline void free_secdata(void *secdata)
1741{
1742 free_page((unsigned long)secdata);
1743}
1744
1745#else
1746
1747static inline char *alloc_secdata(void)
1748{
1749 return (char *)1;
1750}
1751
1752static inline void free_secdata(void *secdata)
1753{ }
1754#endif
1755
1756#endif
1757
1758
