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/kernel_read_file.h>
27#include <linux/key.h>
28#include <linux/capability.h>
29#include <linux/fs.h>
30#include <linux/slab.h>
31#include <linux/err.h>
32#include <linux/string.h>
33#include <linux/mm.h>
34
35struct linux_binprm;
36struct cred;
37struct rlimit;
38struct kernel_siginfo;
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 msg_msg;
53struct xattr;
54struct kernfs_node;
55struct xfrm_sec_ctx;
56struct mm_struct;
57struct fs_context;
58struct fs_parameter;
59enum fs_value_type;
60struct watch;
61struct watch_notification;
62
63
64#define CAP_OPT_NONE 0x0
65
66#define CAP_OPT_NOAUDIT BIT(1)
67
68#define CAP_OPT_INSETID BIT(2)
69
70
71#define SECURITY_LSM_NATIVE_LABELS 1
72
73struct ctl_table;
74struct audit_krule;
75struct user_namespace;
76struct timezone;
77
78enum lsm_event {
79 LSM_POLICY_CHANGE,
80};
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106enum lockdown_reason {
107 LOCKDOWN_NONE,
108 LOCKDOWN_MODULE_SIGNATURE,
109 LOCKDOWN_DEV_MEM,
110 LOCKDOWN_EFI_TEST,
111 LOCKDOWN_KEXEC,
112 LOCKDOWN_HIBERNATION,
113 LOCKDOWN_PCI_ACCESS,
114 LOCKDOWN_IOPORT,
115 LOCKDOWN_MSR,
116 LOCKDOWN_ACPI_TABLES,
117 LOCKDOWN_PCMCIA_CIS,
118 LOCKDOWN_TIOCSSERIAL,
119 LOCKDOWN_MODULE_PARAMETERS,
120 LOCKDOWN_MMIOTRACE,
121 LOCKDOWN_DEBUGFS,
122 LOCKDOWN_XMON_WR,
123 LOCKDOWN_INTEGRITY_MAX,
124 LOCKDOWN_KCORE,
125 LOCKDOWN_KPROBES,
126 LOCKDOWN_BPF_READ,
127 LOCKDOWN_PERF,
128 LOCKDOWN_TRACEFS,
129 LOCKDOWN_XMON_RW,
130 LOCKDOWN_CONFIDENTIALITY_MAX,
131};
132
133extern const char *const lockdown_reasons[LOCKDOWN_CONFIDENTIALITY_MAX+1];
134
135
136extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
137 int cap, unsigned int opts);
138extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
139extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
140extern int cap_ptrace_traceme(struct task_struct *parent);
141extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
142extern int cap_capset(struct cred *new, const struct cred *old,
143 const kernel_cap_t *effective,
144 const kernel_cap_t *inheritable,
145 const kernel_cap_t *permitted);
146extern int cap_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
147extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
148 const void *value, size_t size, int flags);
149extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
150extern int cap_inode_need_killpriv(struct dentry *dentry);
151extern int cap_inode_killpriv(struct dentry *dentry);
152extern int cap_inode_getsecurity(struct inode *inode, const char *name,
153 void **buffer, bool alloc);
154extern int cap_mmap_addr(unsigned long addr);
155extern int cap_mmap_file(struct file *file, unsigned long reqprot,
156 unsigned long prot, unsigned long flags);
157extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
158extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
159 unsigned long arg4, unsigned long arg5);
160extern int cap_task_setscheduler(struct task_struct *p);
161extern int cap_task_setioprio(struct task_struct *p, int ioprio);
162extern int cap_task_setnice(struct task_struct *p, int nice);
163extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
164
165struct msghdr;
166struct sk_buff;
167struct sock;
168struct sockaddr;
169struct socket;
170struct flowi;
171struct dst_entry;
172struct xfrm_selector;
173struct xfrm_policy;
174struct xfrm_state;
175struct xfrm_user_sec_ctx;
176struct seq_file;
177struct sctp_endpoint;
178
179#ifdef CONFIG_MMU
180extern unsigned long mmap_min_addr;
181extern unsigned long dac_mmap_min_addr;
182#else
183#define mmap_min_addr 0UL
184#define dac_mmap_min_addr 0UL
185#endif
186
187
188
189
190
191#define LSM_SETID_ID 1
192
193
194#define LSM_SETID_RE 2
195
196
197#define LSM_SETID_RES 4
198
199
200#define LSM_SETID_FS 8
201
202
203#define LSM_PRLIMIT_READ 1
204#define LSM_PRLIMIT_WRITE 2
205
206
207struct sched_param;
208struct request_sock;
209
210
211#define LSM_UNSAFE_SHARE 1
212#define LSM_UNSAFE_PTRACE 2
213#define LSM_UNSAFE_NO_NEW_PRIVS 4
214
215#ifdef CONFIG_MMU
216extern int mmap_min_addr_handler(struct ctl_table *table, int write,
217 void *buffer, size_t *lenp, loff_t *ppos);
218#endif
219
220
221typedef int (*initxattrs) (struct inode *inode,
222 const struct xattr *xattr_array, void *fs_data);
223
224
225
226#define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
227#define __data_id_stringify(dummy, str) #str,
228
229enum kernel_load_data_id {
230 __kernel_read_file_id(__data_id_enumify)
231};
232
233static const char * const kernel_load_data_str[] = {
234 __kernel_read_file_id(__data_id_stringify)
235};
236
237static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
238{
239 if ((unsigned)id >= LOADING_MAX_ID)
240 return kernel_load_data_str[LOADING_UNKNOWN];
241
242 return kernel_load_data_str[id];
243}
244
245#ifdef CONFIG_SECURITY
246
247int call_blocking_lsm_notifier(enum lsm_event event, void *data);
248int register_blocking_lsm_notifier(struct notifier_block *nb);
249int unregister_blocking_lsm_notifier(struct notifier_block *nb);
250
251
252extern int security_init(void);
253extern int early_security_init(void);
254
255
256int security_binder_set_context_mgr(struct task_struct *mgr);
257int security_binder_transaction(struct task_struct *from,
258 struct task_struct *to);
259int security_binder_transfer_binder(struct task_struct *from,
260 struct task_struct *to);
261int security_binder_transfer_file(struct task_struct *from,
262 struct task_struct *to, struct file *file);
263int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
264int security_ptrace_traceme(struct task_struct *parent);
265int security_capget(struct task_struct *target,
266 kernel_cap_t *effective,
267 kernel_cap_t *inheritable,
268 kernel_cap_t *permitted);
269int security_capset(struct cred *new, const struct cred *old,
270 const kernel_cap_t *effective,
271 const kernel_cap_t *inheritable,
272 const kernel_cap_t *permitted);
273int security_capable(const struct cred *cred,
274 struct user_namespace *ns,
275 int cap,
276 unsigned int opts);
277int security_quotactl(int cmds, int type, int id, struct super_block *sb);
278int security_quota_on(struct dentry *dentry);
279int security_syslog(int type);
280int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
281int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
282int security_bprm_creds_for_exec(struct linux_binprm *bprm);
283int security_bprm_creds_from_file(struct linux_binprm *bprm, struct file *file);
284int security_bprm_check(struct linux_binprm *bprm);
285void security_bprm_committing_creds(struct linux_binprm *bprm);
286void security_bprm_committed_creds(struct linux_binprm *bprm);
287int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
288int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
289int security_sb_alloc(struct super_block *sb);
290void security_sb_free(struct super_block *sb);
291void security_free_mnt_opts(void **mnt_opts);
292int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
293int security_sb_remount(struct super_block *sb, void *mnt_opts);
294int security_sb_kern_mount(struct super_block *sb);
295int security_sb_show_options(struct seq_file *m, struct super_block *sb);
296int security_sb_statfs(struct dentry *dentry);
297int security_sb_mount(const char *dev_name, const struct path *path,
298 const char *type, unsigned long flags, void *data);
299int security_sb_umount(struct vfsmount *mnt, int flags);
300int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
301int security_sb_set_mnt_opts(struct super_block *sb,
302 void *mnt_opts,
303 unsigned long kern_flags,
304 unsigned long *set_kern_flags);
305int security_sb_clone_mnt_opts(const struct super_block *oldsb,
306 struct super_block *newsb,
307 unsigned long kern_flags,
308 unsigned long *set_kern_flags);
309int security_add_mnt_opt(const char *option, const char *val,
310 int len, void **mnt_opts);
311int security_move_mount(const struct path *from_path, const struct path *to_path);
312int security_dentry_init_security(struct dentry *dentry, int mode,
313 const struct qstr *name, void **ctx,
314 u32 *ctxlen);
315int security_dentry_create_files_as(struct dentry *dentry, int mode,
316 struct qstr *name,
317 const struct cred *old,
318 struct cred *new);
319int security_path_notify(const struct path *path, u64 mask,
320 unsigned int obj_type);
321int security_inode_alloc(struct inode *inode);
322void security_inode_free(struct inode *inode);
323int security_inode_init_security(struct inode *inode, struct inode *dir,
324 const struct qstr *qstr,
325 initxattrs initxattrs, void *fs_data);
326int security_old_inode_init_security(struct inode *inode, struct inode *dir,
327 const struct qstr *qstr, const char **name,
328 void **value, size_t *len);
329int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
330int security_inode_link(struct dentry *old_dentry, struct inode *dir,
331 struct dentry *new_dentry);
332int security_inode_unlink(struct inode *dir, struct dentry *dentry);
333int security_inode_symlink(struct inode *dir, struct dentry *dentry,
334 const char *old_name);
335int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
336int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
337int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
338int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
339 struct inode *new_dir, struct dentry *new_dentry,
340 unsigned int flags);
341int security_inode_readlink(struct dentry *dentry);
342int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
343 bool rcu);
344int security_inode_permission(struct inode *inode, int mask);
345int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
346int security_inode_getattr(const struct path *path);
347int security_inode_setxattr(struct dentry *dentry, const char *name,
348 const void *value, size_t size, int flags);
349void security_inode_post_setxattr(struct dentry *dentry, const char *name,
350 const void *value, size_t size, int flags);
351int security_inode_getxattr(struct dentry *dentry, const char *name);
352int security_inode_listxattr(struct dentry *dentry);
353int security_inode_removexattr(struct dentry *dentry, const char *name);
354int security_inode_need_killpriv(struct dentry *dentry);
355int security_inode_killpriv(struct dentry *dentry);
356int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
357int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
358int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
359void security_inode_getsecid(struct inode *inode, u32 *secid);
360int security_inode_copy_up(struct dentry *src, struct cred **new);
361int security_inode_copy_up_xattr(const char *name);
362int security_kernfs_init_security(struct kernfs_node *kn_dir,
363 struct kernfs_node *kn);
364int security_file_permission(struct file *file, int mask);
365int security_file_alloc(struct file *file);
366void security_file_free(struct file *file);
367int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
368int security_mmap_file(struct file *file, unsigned long prot,
369 unsigned long flags);
370int security_mmap_addr(unsigned long addr);
371int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
372 unsigned long prot);
373int security_file_lock(struct file *file, unsigned int cmd);
374int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
375void security_file_set_fowner(struct file *file);
376int security_file_send_sigiotask(struct task_struct *tsk,
377 struct fown_struct *fown, int sig);
378int security_file_receive(struct file *file);
379int security_file_open(struct file *file);
380int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
381void security_task_free(struct task_struct *task);
382int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
383void security_cred_free(struct cred *cred);
384int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
385void security_transfer_creds(struct cred *new, const struct cred *old);
386void security_cred_getsecid(const struct cred *c, u32 *secid);
387int security_kernel_act_as(struct cred *new, u32 secid);
388int security_kernel_create_files_as(struct cred *new, struct inode *inode);
389int security_kernel_module_request(char *kmod_name);
390int security_kernel_load_data(enum kernel_load_data_id id, bool contents);
391int security_kernel_post_load_data(char *buf, loff_t size,
392 enum kernel_load_data_id id,
393 char *description);
394int security_kernel_read_file(struct file *file, enum kernel_read_file_id id,
395 bool contents);
396int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
397 enum kernel_read_file_id id);
398int security_task_fix_setuid(struct cred *new, const struct cred *old,
399 int flags);
400int security_task_fix_setgid(struct cred *new, const struct cred *old,
401 int flags);
402int security_task_setpgid(struct task_struct *p, pid_t pgid);
403int security_task_getpgid(struct task_struct *p);
404int security_task_getsid(struct task_struct *p);
405void security_task_getsecid(struct task_struct *p, u32 *secid);
406int security_task_setnice(struct task_struct *p, int nice);
407int security_task_setioprio(struct task_struct *p, int ioprio);
408int security_task_getioprio(struct task_struct *p);
409int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
410 unsigned int flags);
411int security_task_setrlimit(struct task_struct *p, unsigned int resource,
412 struct rlimit *new_rlim);
413int security_task_setscheduler(struct task_struct *p);
414int security_task_getscheduler(struct task_struct *p);
415int security_task_movememory(struct task_struct *p);
416int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
417 int sig, const struct cred *cred);
418int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
419 unsigned long arg4, unsigned long arg5);
420void security_task_to_inode(struct task_struct *p, struct inode *inode);
421int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
422void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
423int security_msg_msg_alloc(struct msg_msg *msg);
424void security_msg_msg_free(struct msg_msg *msg);
425int security_msg_queue_alloc(struct kern_ipc_perm *msq);
426void security_msg_queue_free(struct kern_ipc_perm *msq);
427int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
428int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
429int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
430 struct msg_msg *msg, int msqflg);
431int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
432 struct task_struct *target, long type, int mode);
433int security_shm_alloc(struct kern_ipc_perm *shp);
434void security_shm_free(struct kern_ipc_perm *shp);
435int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
436int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
437int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
438int security_sem_alloc(struct kern_ipc_perm *sma);
439void security_sem_free(struct kern_ipc_perm *sma);
440int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
441int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
442int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
443 unsigned nsops, int alter);
444void security_d_instantiate(struct dentry *dentry, struct inode *inode);
445int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
446 char **value);
447int security_setprocattr(const char *lsm, const char *name, void *value,
448 size_t size);
449int security_netlink_send(struct sock *sk, struct sk_buff *skb);
450int security_ismaclabel(const char *name);
451int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
452int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
453void security_release_secctx(char *secdata, u32 seclen);
454void security_inode_invalidate_secctx(struct inode *inode);
455int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
456int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
457int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
458int security_locked_down(enum lockdown_reason what);
459#else
460
461static inline int call_blocking_lsm_notifier(enum lsm_event event, void *data)
462{
463 return 0;
464}
465
466static inline int register_blocking_lsm_notifier(struct notifier_block *nb)
467{
468 return 0;
469}
470
471static inline int unregister_blocking_lsm_notifier(struct notifier_block *nb)
472{
473 return 0;
474}
475
476static inline void security_free_mnt_opts(void **mnt_opts)
477{
478}
479
480
481
482
483
484
485static inline int security_init(void)
486{
487 return 0;
488}
489
490static inline int early_security_init(void)
491{
492 return 0;
493}
494
495static inline int security_binder_set_context_mgr(struct task_struct *mgr)
496{
497 return 0;
498}
499
500static inline int security_binder_transaction(struct task_struct *from,
501 struct task_struct *to)
502{
503 return 0;
504}
505
506static inline int security_binder_transfer_binder(struct task_struct *from,
507 struct task_struct *to)
508{
509 return 0;
510}
511
512static inline int security_binder_transfer_file(struct task_struct *from,
513 struct task_struct *to,
514 struct file *file)
515{
516 return 0;
517}
518
519static inline int security_ptrace_access_check(struct task_struct *child,
520 unsigned int mode)
521{
522 return cap_ptrace_access_check(child, mode);
523}
524
525static inline int security_ptrace_traceme(struct task_struct *parent)
526{
527 return cap_ptrace_traceme(parent);
528}
529
530static inline int security_capget(struct task_struct *target,
531 kernel_cap_t *effective,
532 kernel_cap_t *inheritable,
533 kernel_cap_t *permitted)
534{
535 return cap_capget(target, effective, inheritable, permitted);
536}
537
538static inline int security_capset(struct cred *new,
539 const struct cred *old,
540 const kernel_cap_t *effective,
541 const kernel_cap_t *inheritable,
542 const kernel_cap_t *permitted)
543{
544 return cap_capset(new, old, effective, inheritable, permitted);
545}
546
547static inline int security_capable(const struct cred *cred,
548 struct user_namespace *ns,
549 int cap,
550 unsigned int opts)
551{
552 return cap_capable(cred, ns, cap, opts);
553}
554
555static inline int security_quotactl(int cmds, int type, int id,
556 struct super_block *sb)
557{
558 return 0;
559}
560
561static inline int security_quota_on(struct dentry *dentry)
562{
563 return 0;
564}
565
566static inline int security_syslog(int type)
567{
568 return 0;
569}
570
571static inline int security_settime64(const struct timespec64 *ts,
572 const struct timezone *tz)
573{
574 return cap_settime(ts, tz);
575}
576
577static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
578{
579 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
580}
581
582static inline int security_bprm_creds_for_exec(struct linux_binprm *bprm)
583{
584 return 0;
585}
586
587static inline int security_bprm_creds_from_file(struct linux_binprm *bprm,
588 struct file *file)
589{
590 return cap_bprm_creds_from_file(bprm, file);
591}
592
593static inline int security_bprm_check(struct linux_binprm *bprm)
594{
595 return 0;
596}
597
598static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
599{
600}
601
602static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
603{
604}
605
606static inline int security_fs_context_dup(struct fs_context *fc,
607 struct fs_context *src_fc)
608{
609 return 0;
610}
611static inline int security_fs_context_parse_param(struct fs_context *fc,
612 struct fs_parameter *param)
613{
614 return -ENOPARAM;
615}
616
617static inline int security_sb_alloc(struct super_block *sb)
618{
619 return 0;
620}
621
622static inline void security_sb_free(struct super_block *sb)
623{ }
624
625static inline int security_sb_eat_lsm_opts(char *options,
626 void **mnt_opts)
627{
628 return 0;
629}
630
631static inline int security_sb_remount(struct super_block *sb,
632 void *mnt_opts)
633{
634 return 0;
635}
636
637static inline int security_sb_kern_mount(struct super_block *sb)
638{
639 return 0;
640}
641
642static inline int security_sb_show_options(struct seq_file *m,
643 struct super_block *sb)
644{
645 return 0;
646}
647
648static inline int security_sb_statfs(struct dentry *dentry)
649{
650 return 0;
651}
652
653static inline int security_sb_mount(const char *dev_name, const struct path *path,
654 const char *type, unsigned long flags,
655 void *data)
656{
657 return 0;
658}
659
660static inline int security_sb_umount(struct vfsmount *mnt, int flags)
661{
662 return 0;
663}
664
665static inline int security_sb_pivotroot(const struct path *old_path,
666 const struct path *new_path)
667{
668 return 0;
669}
670
671static inline int security_sb_set_mnt_opts(struct super_block *sb,
672 void *mnt_opts,
673 unsigned long kern_flags,
674 unsigned long *set_kern_flags)
675{
676 return 0;
677}
678
679static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
680 struct super_block *newsb,
681 unsigned long kern_flags,
682 unsigned long *set_kern_flags)
683{
684 return 0;
685}
686
687static inline int security_add_mnt_opt(const char *option, const char *val,
688 int len, void **mnt_opts)
689{
690 return 0;
691}
692
693static inline int security_move_mount(const struct path *from_path,
694 const struct path *to_path)
695{
696 return 0;
697}
698
699static inline int security_path_notify(const struct path *path, u64 mask,
700 unsigned int obj_type)
701{
702 return 0;
703}
704
705static inline int security_inode_alloc(struct inode *inode)
706{
707 return 0;
708}
709
710static inline void security_inode_free(struct inode *inode)
711{ }
712
713static inline int security_dentry_init_security(struct dentry *dentry,
714 int mode,
715 const struct qstr *name,
716 void **ctx,
717 u32 *ctxlen)
718{
719 return -EOPNOTSUPP;
720}
721
722static inline int security_dentry_create_files_as(struct dentry *dentry,
723 int mode, struct qstr *name,
724 const struct cred *old,
725 struct cred *new)
726{
727 return 0;
728}
729
730
731static inline int security_inode_init_security(struct inode *inode,
732 struct inode *dir,
733 const struct qstr *qstr,
734 const initxattrs xattrs,
735 void *fs_data)
736{
737 return 0;
738}
739
740static inline int security_old_inode_init_security(struct inode *inode,
741 struct inode *dir,
742 const struct qstr *qstr,
743 const char **name,
744 void **value, size_t *len)
745{
746 return -EOPNOTSUPP;
747}
748
749static inline int security_inode_create(struct inode *dir,
750 struct dentry *dentry,
751 umode_t mode)
752{
753 return 0;
754}
755
756static inline int security_inode_link(struct dentry *old_dentry,
757 struct inode *dir,
758 struct dentry *new_dentry)
759{
760 return 0;
761}
762
763static inline int security_inode_unlink(struct inode *dir,
764 struct dentry *dentry)
765{
766 return 0;
767}
768
769static inline int security_inode_symlink(struct inode *dir,
770 struct dentry *dentry,
771 const char *old_name)
772{
773 return 0;
774}
775
776static inline int security_inode_mkdir(struct inode *dir,
777 struct dentry *dentry,
778 int mode)
779{
780 return 0;
781}
782
783static inline int security_inode_rmdir(struct inode *dir,
784 struct dentry *dentry)
785{
786 return 0;
787}
788
789static inline int security_inode_mknod(struct inode *dir,
790 struct dentry *dentry,
791 int mode, dev_t dev)
792{
793 return 0;
794}
795
796static inline int security_inode_rename(struct inode *old_dir,
797 struct dentry *old_dentry,
798 struct inode *new_dir,
799 struct dentry *new_dentry,
800 unsigned int flags)
801{
802 return 0;
803}
804
805static inline int security_inode_readlink(struct dentry *dentry)
806{
807 return 0;
808}
809
810static inline int security_inode_follow_link(struct dentry *dentry,
811 struct inode *inode,
812 bool rcu)
813{
814 return 0;
815}
816
817static inline int security_inode_permission(struct inode *inode, int mask)
818{
819 return 0;
820}
821
822static inline int security_inode_setattr(struct dentry *dentry,
823 struct iattr *attr)
824{
825 return 0;
826}
827
828static inline int security_inode_getattr(const struct path *path)
829{
830 return 0;
831}
832
833static inline int security_inode_setxattr(struct dentry *dentry,
834 const char *name, const void *value, size_t size, int flags)
835{
836 return cap_inode_setxattr(dentry, name, value, size, flags);
837}
838
839static inline void security_inode_post_setxattr(struct dentry *dentry,
840 const char *name, const void *value, size_t size, int flags)
841{ }
842
843static inline int security_inode_getxattr(struct dentry *dentry,
844 const char *name)
845{
846 return 0;
847}
848
849static inline int security_inode_listxattr(struct dentry *dentry)
850{
851 return 0;
852}
853
854static inline int security_inode_removexattr(struct dentry *dentry,
855 const char *name)
856{
857 return cap_inode_removexattr(dentry, name);
858}
859
860static inline int security_inode_need_killpriv(struct dentry *dentry)
861{
862 return cap_inode_need_killpriv(dentry);
863}
864
865static inline int security_inode_killpriv(struct dentry *dentry)
866{
867 return cap_inode_killpriv(dentry);
868}
869
870static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
871{
872 return cap_inode_getsecurity(inode, name, buffer, alloc);
873}
874
875static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
876{
877 return -EOPNOTSUPP;
878}
879
880static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
881{
882 return 0;
883}
884
885static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
886{
887 *secid = 0;
888}
889
890static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
891{
892 return 0;
893}
894
895static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
896 struct kernfs_node *kn)
897{
898 return 0;
899}
900
901static inline int security_inode_copy_up_xattr(const char *name)
902{
903 return -EOPNOTSUPP;
904}
905
906static inline int security_file_permission(struct file *file, int mask)
907{
908 return 0;
909}
910
911static inline int security_file_alloc(struct file *file)
912{
913 return 0;
914}
915
916static inline void security_file_free(struct file *file)
917{ }
918
919static inline int security_file_ioctl(struct file *file, unsigned int cmd,
920 unsigned long arg)
921{
922 return 0;
923}
924
925static inline int security_mmap_file(struct file *file, unsigned long prot,
926 unsigned long flags)
927{
928 return 0;
929}
930
931static inline int security_mmap_addr(unsigned long addr)
932{
933 return cap_mmap_addr(addr);
934}
935
936static inline int security_file_mprotect(struct vm_area_struct *vma,
937 unsigned long reqprot,
938 unsigned long prot)
939{
940 return 0;
941}
942
943static inline int security_file_lock(struct file *file, unsigned int cmd)
944{
945 return 0;
946}
947
948static inline int security_file_fcntl(struct file *file, unsigned int cmd,
949 unsigned long arg)
950{
951 return 0;
952}
953
954static inline void security_file_set_fowner(struct file *file)
955{
956 return;
957}
958
959static inline int security_file_send_sigiotask(struct task_struct *tsk,
960 struct fown_struct *fown,
961 int sig)
962{
963 return 0;
964}
965
966static inline int security_file_receive(struct file *file)
967{
968 return 0;
969}
970
971static inline int security_file_open(struct file *file)
972{
973 return 0;
974}
975
976static inline int security_task_alloc(struct task_struct *task,
977 unsigned long clone_flags)
978{
979 return 0;
980}
981
982static inline void security_task_free(struct task_struct *task)
983{ }
984
985static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
986{
987 return 0;
988}
989
990static inline void security_cred_free(struct cred *cred)
991{ }
992
993static inline int security_prepare_creds(struct cred *new,
994 const struct cred *old,
995 gfp_t gfp)
996{
997 return 0;
998}
999
1000static inline void security_transfer_creds(struct cred *new,
1001 const struct cred *old)
1002{
1003}
1004
1005static inline int security_kernel_act_as(struct cred *cred, u32 secid)
1006{
1007 return 0;
1008}
1009
1010static inline int security_kernel_create_files_as(struct cred *cred,
1011 struct inode *inode)
1012{
1013 return 0;
1014}
1015
1016static inline int security_kernel_module_request(char *kmod_name)
1017{
1018 return 0;
1019}
1020
1021static inline int security_kernel_load_data(enum kernel_load_data_id id, bool contents)
1022{
1023 return 0;
1024}
1025
1026static inline int security_kernel_post_load_data(char *buf, loff_t size,
1027 enum kernel_load_data_id id,
1028 char *description)
1029{
1030 return 0;
1031}
1032
1033static inline int security_kernel_read_file(struct file *file,
1034 enum kernel_read_file_id id,
1035 bool contents)
1036{
1037 return 0;
1038}
1039
1040static inline int security_kernel_post_read_file(struct file *file,
1041 char *buf, loff_t size,
1042 enum kernel_read_file_id id)
1043{
1044 return 0;
1045}
1046
1047static inline int security_task_fix_setuid(struct cred *new,
1048 const struct cred *old,
1049 int flags)
1050{
1051 return cap_task_fix_setuid(new, old, flags);
1052}
1053
1054static inline int security_task_fix_setgid(struct cred *new,
1055 const struct cred *old,
1056 int flags)
1057{
1058 return 0;
1059}
1060
1061static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
1062{
1063 return 0;
1064}
1065
1066static inline int security_task_getpgid(struct task_struct *p)
1067{
1068 return 0;
1069}
1070
1071static inline int security_task_getsid(struct task_struct *p)
1072{
1073 return 0;
1074}
1075
1076static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
1077{
1078 *secid = 0;
1079}
1080
1081static inline int security_task_setnice(struct task_struct *p, int nice)
1082{
1083 return cap_task_setnice(p, nice);
1084}
1085
1086static inline int security_task_setioprio(struct task_struct *p, int ioprio)
1087{
1088 return cap_task_setioprio(p, ioprio);
1089}
1090
1091static inline int security_task_getioprio(struct task_struct *p)
1092{
1093 return 0;
1094}
1095
1096static inline int security_task_prlimit(const struct cred *cred,
1097 const struct cred *tcred,
1098 unsigned int flags)
1099{
1100 return 0;
1101}
1102
1103static inline int security_task_setrlimit(struct task_struct *p,
1104 unsigned int resource,
1105 struct rlimit *new_rlim)
1106{
1107 return 0;
1108}
1109
1110static inline int security_task_setscheduler(struct task_struct *p)
1111{
1112 return cap_task_setscheduler(p);
1113}
1114
1115static inline int security_task_getscheduler(struct task_struct *p)
1116{
1117 return 0;
1118}
1119
1120static inline int security_task_movememory(struct task_struct *p)
1121{
1122 return 0;
1123}
1124
1125static inline int security_task_kill(struct task_struct *p,
1126 struct kernel_siginfo *info, int sig,
1127 const struct cred *cred)
1128{
1129 return 0;
1130}
1131
1132static inline int security_task_prctl(int option, unsigned long arg2,
1133 unsigned long arg3,
1134 unsigned long arg4,
1135 unsigned long arg5)
1136{
1137 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
1138}
1139
1140static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1141{ }
1142
1143static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1144 short flag)
1145{
1146 return 0;
1147}
1148
1149static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1150{
1151 *secid = 0;
1152}
1153
1154static inline int security_msg_msg_alloc(struct msg_msg *msg)
1155{
1156 return 0;
1157}
1158
1159static inline void security_msg_msg_free(struct msg_msg *msg)
1160{ }
1161
1162static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
1163{
1164 return 0;
1165}
1166
1167static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
1168{ }
1169
1170static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
1171 int msqflg)
1172{
1173 return 0;
1174}
1175
1176static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
1177{
1178 return 0;
1179}
1180
1181static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
1182 struct msg_msg *msg, int msqflg)
1183{
1184 return 0;
1185}
1186
1187static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
1188 struct msg_msg *msg,
1189 struct task_struct *target,
1190 long type, int mode)
1191{
1192 return 0;
1193}
1194
1195static inline int security_shm_alloc(struct kern_ipc_perm *shp)
1196{
1197 return 0;
1198}
1199
1200static inline void security_shm_free(struct kern_ipc_perm *shp)
1201{ }
1202
1203static inline int security_shm_associate(struct kern_ipc_perm *shp,
1204 int shmflg)
1205{
1206 return 0;
1207}
1208
1209static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
1210{
1211 return 0;
1212}
1213
1214static inline int security_shm_shmat(struct kern_ipc_perm *shp,
1215 char __user *shmaddr, int shmflg)
1216{
1217 return 0;
1218}
1219
1220static inline int security_sem_alloc(struct kern_ipc_perm *sma)
1221{
1222 return 0;
1223}
1224
1225static inline void security_sem_free(struct kern_ipc_perm *sma)
1226{ }
1227
1228static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
1229{
1230 return 0;
1231}
1232
1233static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
1234{
1235 return 0;
1236}
1237
1238static inline int security_sem_semop(struct kern_ipc_perm *sma,
1239 struct sembuf *sops, unsigned nsops,
1240 int alter)
1241{
1242 return 0;
1243}
1244
1245static inline void security_d_instantiate(struct dentry *dentry,
1246 struct inode *inode)
1247{ }
1248
1249static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1250 char *name, char **value)
1251{
1252 return -EINVAL;
1253}
1254
1255static inline int security_setprocattr(const char *lsm, char *name,
1256 void *value, size_t size)
1257{
1258 return -EINVAL;
1259}
1260
1261static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1262{
1263 return 0;
1264}
1265
1266static inline int security_ismaclabel(const char *name)
1267{
1268 return 0;
1269}
1270
1271static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1272{
1273 return -EOPNOTSUPP;
1274}
1275
1276static inline int security_secctx_to_secid(const char *secdata,
1277 u32 seclen,
1278 u32 *secid)
1279{
1280 return -EOPNOTSUPP;
1281}
1282
1283static inline void security_release_secctx(char *secdata, u32 seclen)
1284{
1285}
1286
1287static inline void security_inode_invalidate_secctx(struct inode *inode)
1288{
1289}
1290
1291static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1292{
1293 return -EOPNOTSUPP;
1294}
1295static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1296{
1297 return -EOPNOTSUPP;
1298}
1299static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1300{
1301 return -EOPNOTSUPP;
1302}
1303static inline int security_locked_down(enum lockdown_reason what)
1304{
1305 return 0;
1306}
1307#endif
1308
1309#if defined(CONFIG_SECURITY) && defined(CONFIG_WATCH_QUEUE)
1310int security_post_notification(const struct cred *w_cred,
1311 const struct cred *cred,
1312 struct watch_notification *n);
1313#else
1314static inline int security_post_notification(const struct cred *w_cred,
1315 const struct cred *cred,
1316 struct watch_notification *n)
1317{
1318 return 0;
1319}
1320#endif
1321
1322#if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
1323int security_watch_key(struct key *key);
1324#else
1325static inline int security_watch_key(struct key *key)
1326{
1327 return 0;
1328}
1329#endif
1330
1331#ifdef CONFIG_SECURITY_NETWORK
1332
1333int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
1334int security_unix_may_send(struct socket *sock, struct socket *other);
1335int security_socket_create(int family, int type, int protocol, int kern);
1336int security_socket_post_create(struct socket *sock, int family,
1337 int type, int protocol, int kern);
1338int security_socket_socketpair(struct socket *socka, struct socket *sockb);
1339int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1340int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1341int security_socket_listen(struct socket *sock, int backlog);
1342int security_socket_accept(struct socket *sock, struct socket *newsock);
1343int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1344int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1345 int size, int flags);
1346int security_socket_getsockname(struct socket *sock);
1347int security_socket_getpeername(struct socket *sock);
1348int security_socket_getsockopt(struct socket *sock, int level, int optname);
1349int security_socket_setsockopt(struct socket *sock, int level, int optname);
1350int security_socket_shutdown(struct socket *sock, int how);
1351int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1352int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1353 int __user *optlen, unsigned len);
1354int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1355int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1356void security_sk_free(struct sock *sk);
1357void security_sk_clone(const struct sock *sk, struct sock *newsk);
1358void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1359void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1360void security_sock_graft(struct sock*sk, struct socket *parent);
1361int security_inet_conn_request(struct sock *sk,
1362 struct sk_buff *skb, struct request_sock *req);
1363void security_inet_csk_clone(struct sock *newsk,
1364 const struct request_sock *req);
1365void security_inet_conn_established(struct sock *sk,
1366 struct sk_buff *skb);
1367int security_secmark_relabel_packet(u32 secid);
1368void security_secmark_refcount_inc(void);
1369void security_secmark_refcount_dec(void);
1370int security_tun_dev_alloc_security(void **security);
1371void security_tun_dev_free_security(void *security);
1372int security_tun_dev_create(void);
1373int security_tun_dev_attach_queue(void *security);
1374int security_tun_dev_attach(struct sock *sk, void *security);
1375int security_tun_dev_open(void *security);
1376int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1377int security_sctp_bind_connect(struct sock *sk, int optname,
1378 struct sockaddr *address, int addrlen);
1379void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1380 struct sock *newsk);
1381
1382#else
1383static inline int security_unix_stream_connect(struct sock *sock,
1384 struct sock *other,
1385 struct sock *newsk)
1386{
1387 return 0;
1388}
1389
1390static inline int security_unix_may_send(struct socket *sock,
1391 struct socket *other)
1392{
1393 return 0;
1394}
1395
1396static inline int security_socket_create(int family, int type,
1397 int protocol, int kern)
1398{
1399 return 0;
1400}
1401
1402static inline int security_socket_post_create(struct socket *sock,
1403 int family,
1404 int type,
1405 int protocol, int kern)
1406{
1407 return 0;
1408}
1409
1410static inline int security_socket_socketpair(struct socket *socka,
1411 struct socket *sockb)
1412{
1413 return 0;
1414}
1415
1416static inline int security_socket_bind(struct socket *sock,
1417 struct sockaddr *address,
1418 int addrlen)
1419{
1420 return 0;
1421}
1422
1423static inline int security_socket_connect(struct socket *sock,
1424 struct sockaddr *address,
1425 int addrlen)
1426{
1427 return 0;
1428}
1429
1430static inline int security_socket_listen(struct socket *sock, int backlog)
1431{
1432 return 0;
1433}
1434
1435static inline int security_socket_accept(struct socket *sock,
1436 struct socket *newsock)
1437{
1438 return 0;
1439}
1440
1441static inline int security_socket_sendmsg(struct socket *sock,
1442 struct msghdr *msg, int size)
1443{
1444 return 0;
1445}
1446
1447static inline int security_socket_recvmsg(struct socket *sock,
1448 struct msghdr *msg, int size,
1449 int flags)
1450{
1451 return 0;
1452}
1453
1454static inline int security_socket_getsockname(struct socket *sock)
1455{
1456 return 0;
1457}
1458
1459static inline int security_socket_getpeername(struct socket *sock)
1460{
1461 return 0;
1462}
1463
1464static inline int security_socket_getsockopt(struct socket *sock,
1465 int level, int optname)
1466{
1467 return 0;
1468}
1469
1470static inline int security_socket_setsockopt(struct socket *sock,
1471 int level, int optname)
1472{
1473 return 0;
1474}
1475
1476static inline int security_socket_shutdown(struct socket *sock, int how)
1477{
1478 return 0;
1479}
1480static inline int security_sock_rcv_skb(struct sock *sk,
1481 struct sk_buff *skb)
1482{
1483 return 0;
1484}
1485
1486static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1487 int __user *optlen, unsigned len)
1488{
1489 return -ENOPROTOOPT;
1490}
1491
1492static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1493{
1494 return -ENOPROTOOPT;
1495}
1496
1497static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1498{
1499 return 0;
1500}
1501
1502static inline void security_sk_free(struct sock *sk)
1503{
1504}
1505
1506static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1507{
1508}
1509
1510static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1511{
1512}
1513
1514static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1515{
1516}
1517
1518static inline void security_sock_graft(struct sock *sk, struct socket *parent)
1519{
1520}
1521
1522static inline int security_inet_conn_request(struct sock *sk,
1523 struct sk_buff *skb, struct request_sock *req)
1524{
1525 return 0;
1526}
1527
1528static inline void security_inet_csk_clone(struct sock *newsk,
1529 const struct request_sock *req)
1530{
1531}
1532
1533static inline void security_inet_conn_established(struct sock *sk,
1534 struct sk_buff *skb)
1535{
1536}
1537
1538static inline int security_secmark_relabel_packet(u32 secid)
1539{
1540 return 0;
1541}
1542
1543static inline void security_secmark_refcount_inc(void)
1544{
1545}
1546
1547static inline void security_secmark_refcount_dec(void)
1548{
1549}
1550
1551static inline int security_tun_dev_alloc_security(void **security)
1552{
1553 return 0;
1554}
1555
1556static inline void security_tun_dev_free_security(void *security)
1557{
1558}
1559
1560static inline int security_tun_dev_create(void)
1561{
1562 return 0;
1563}
1564
1565static inline int security_tun_dev_attach_queue(void *security)
1566{
1567 return 0;
1568}
1569
1570static inline int security_tun_dev_attach(struct sock *sk, void *security)
1571{
1572 return 0;
1573}
1574
1575static inline int security_tun_dev_open(void *security)
1576{
1577 return 0;
1578}
1579
1580static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1581 struct sk_buff *skb)
1582{
1583 return 0;
1584}
1585
1586static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1587 struct sockaddr *address,
1588 int addrlen)
1589{
1590 return 0;
1591}
1592
1593static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1594 struct sock *sk,
1595 struct sock *newsk)
1596{
1597}
1598#endif
1599
1600#ifdef CONFIG_SECURITY_INFINIBAND
1601int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
1602int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
1603int security_ib_alloc_security(void **sec);
1604void security_ib_free_security(void *sec);
1605#else
1606static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1607{
1608 return 0;
1609}
1610
1611static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1612{
1613 return 0;
1614}
1615
1616static inline int security_ib_alloc_security(void **sec)
1617{
1618 return 0;
1619}
1620
1621static inline void security_ib_free_security(void *sec)
1622{
1623}
1624#endif
1625
1626#ifdef CONFIG_SECURITY_NETWORK_XFRM
1627
1628int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1629 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
1630int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1631void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1632int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
1633int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1634int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1635 struct xfrm_sec_ctx *polsec, u32 secid);
1636int security_xfrm_state_delete(struct xfrm_state *x);
1637void security_xfrm_state_free(struct xfrm_state *x);
1638int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
1639int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1640 struct xfrm_policy *xp,
1641 const struct flowi *fl);
1642int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1643void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
1644
1645#else
1646
1647static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1648 struct xfrm_user_sec_ctx *sec_ctx,
1649 gfp_t gfp)
1650{
1651 return 0;
1652}
1653
1654static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
1655{
1656 return 0;
1657}
1658
1659static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1660{
1661}
1662
1663static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1664{
1665 return 0;
1666}
1667
1668static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1669 struct xfrm_user_sec_ctx *sec_ctx)
1670{
1671 return 0;
1672}
1673
1674static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1675 struct xfrm_sec_ctx *polsec, u32 secid)
1676{
1677 return 0;
1678}
1679
1680static inline void security_xfrm_state_free(struct xfrm_state *x)
1681{
1682}
1683
1684static inline int security_xfrm_state_delete(struct xfrm_state *x)
1685{
1686 return 0;
1687}
1688
1689static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1690{
1691 return 0;
1692}
1693
1694static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1695 struct xfrm_policy *xp, const struct flowi *fl)
1696{
1697 return 1;
1698}
1699
1700static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1701{
1702 return 0;
1703}
1704
1705static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1706{
1707}
1708
1709#endif
1710
1711#ifdef CONFIG_SECURITY_PATH
1712int security_path_unlink(const struct path *dir, struct dentry *dentry);
1713int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
1714int security_path_rmdir(const struct path *dir, struct dentry *dentry);
1715int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
1716 unsigned int dev);
1717int security_path_truncate(const struct path *path);
1718int security_path_symlink(const struct path *dir, struct dentry *dentry,
1719 const char *old_name);
1720int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
1721 struct dentry *new_dentry);
1722int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1723 const struct path *new_dir, struct dentry *new_dentry,
1724 unsigned int flags);
1725int security_path_chmod(const struct path *path, umode_t mode);
1726int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
1727int security_path_chroot(const struct path *path);
1728#else
1729static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
1730{
1731 return 0;
1732}
1733
1734static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
1735 umode_t mode)
1736{
1737 return 0;
1738}
1739
1740static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
1741{
1742 return 0;
1743}
1744
1745static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
1746 umode_t mode, unsigned int dev)
1747{
1748 return 0;
1749}
1750
1751static inline int security_path_truncate(const struct path *path)
1752{
1753 return 0;
1754}
1755
1756static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
1757 const char *old_name)
1758{
1759 return 0;
1760}
1761
1762static inline int security_path_link(struct dentry *old_dentry,
1763 const struct path *new_dir,
1764 struct dentry *new_dentry)
1765{
1766 return 0;
1767}
1768
1769static inline int security_path_rename(const struct path *old_dir,
1770 struct dentry *old_dentry,
1771 const struct path *new_dir,
1772 struct dentry *new_dentry,
1773 unsigned int flags)
1774{
1775 return 0;
1776}
1777
1778static inline int security_path_chmod(const struct path *path, umode_t mode)
1779{
1780 return 0;
1781}
1782
1783static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
1784{
1785 return 0;
1786}
1787
1788static inline int security_path_chroot(const struct path *path)
1789{
1790 return 0;
1791}
1792#endif
1793
1794#ifdef CONFIG_KEYS
1795#ifdef CONFIG_SECURITY
1796
1797int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
1798void security_key_free(struct key *key);
1799int security_key_permission(key_ref_t key_ref, const struct cred *cred,
1800 enum key_need_perm need_perm);
1801int security_key_getsecurity(struct key *key, char **_buffer);
1802
1803#else
1804
1805static inline int security_key_alloc(struct key *key,
1806 const struct cred *cred,
1807 unsigned long flags)
1808{
1809 return 0;
1810}
1811
1812static inline void security_key_free(struct key *key)
1813{
1814}
1815
1816static inline int security_key_permission(key_ref_t key_ref,
1817 const struct cred *cred,
1818 enum key_need_perm need_perm)
1819{
1820 return 0;
1821}
1822
1823static inline int security_key_getsecurity(struct key *key, char **_buffer)
1824{
1825 *_buffer = NULL;
1826 return 0;
1827}
1828
1829#endif
1830#endif
1831
1832#ifdef CONFIG_AUDIT
1833#ifdef CONFIG_SECURITY
1834int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1835int security_audit_rule_known(struct audit_krule *krule);
1836int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
1837void security_audit_rule_free(void *lsmrule);
1838
1839#else
1840
1841static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1842 void **lsmrule)
1843{
1844 return 0;
1845}
1846
1847static inline int security_audit_rule_known(struct audit_krule *krule)
1848{
1849 return 0;
1850}
1851
1852static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1853 void *lsmrule)
1854{
1855 return 0;
1856}
1857
1858static inline void security_audit_rule_free(void *lsmrule)
1859{ }
1860
1861#endif
1862#endif
1863
1864#ifdef CONFIG_SECURITYFS
1865
1866extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
1867 struct dentry *parent, void *data,
1868 const struct file_operations *fops);
1869extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1870struct dentry *securityfs_create_symlink(const char *name,
1871 struct dentry *parent,
1872 const char *target,
1873 const struct inode_operations *iops);
1874extern void securityfs_remove(struct dentry *dentry);
1875
1876#else
1877
1878static inline struct dentry *securityfs_create_dir(const char *name,
1879 struct dentry *parent)
1880{
1881 return ERR_PTR(-ENODEV);
1882}
1883
1884static inline struct dentry *securityfs_create_file(const char *name,
1885 umode_t mode,
1886 struct dentry *parent,
1887 void *data,
1888 const struct file_operations *fops)
1889{
1890 return ERR_PTR(-ENODEV);
1891}
1892
1893static inline struct dentry *securityfs_create_symlink(const char *name,
1894 struct dentry *parent,
1895 const char *target,
1896 const struct inode_operations *iops)
1897{
1898 return ERR_PTR(-ENODEV);
1899}
1900
1901static inline void securityfs_remove(struct dentry *dentry)
1902{}
1903
1904#endif
1905
1906#ifdef CONFIG_BPF_SYSCALL
1907union bpf_attr;
1908struct bpf_map;
1909struct bpf_prog;
1910struct bpf_prog_aux;
1911#ifdef CONFIG_SECURITY
1912extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1913extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1914extern int security_bpf_prog(struct bpf_prog *prog);
1915extern int security_bpf_map_alloc(struct bpf_map *map);
1916extern void security_bpf_map_free(struct bpf_map *map);
1917extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1918extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1919#else
1920static inline int security_bpf(int cmd, union bpf_attr *attr,
1921 unsigned int size)
1922{
1923 return 0;
1924}
1925
1926static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1927{
1928 return 0;
1929}
1930
1931static inline int security_bpf_prog(struct bpf_prog *prog)
1932{
1933 return 0;
1934}
1935
1936static inline int security_bpf_map_alloc(struct bpf_map *map)
1937{
1938 return 0;
1939}
1940
1941static inline void security_bpf_map_free(struct bpf_map *map)
1942{ }
1943
1944static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1945{
1946 return 0;
1947}
1948
1949static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1950{ }
1951#endif
1952#endif
1953
1954#ifdef CONFIG_PERF_EVENTS
1955struct perf_event_attr;
1956struct perf_event;
1957
1958#ifdef CONFIG_SECURITY
1959extern int security_perf_event_open(struct perf_event_attr *attr, int type);
1960extern int security_perf_event_alloc(struct perf_event *event);
1961extern void security_perf_event_free(struct perf_event *event);
1962extern int security_perf_event_read(struct perf_event *event);
1963extern int security_perf_event_write(struct perf_event *event);
1964#else
1965static inline int security_perf_event_open(struct perf_event_attr *attr,
1966 int type)
1967{
1968 return 0;
1969}
1970
1971static inline int security_perf_event_alloc(struct perf_event *event)
1972{
1973 return 0;
1974}
1975
1976static inline void security_perf_event_free(struct perf_event *event)
1977{
1978}
1979
1980static inline int security_perf_event_read(struct perf_event *event)
1981{
1982 return 0;
1983}
1984
1985static inline int security_perf_event_write(struct perf_event *event)
1986{
1987 return 0;
1988}
1989#endif
1990#endif
1991
1992#endif
1993
