2 * Security plug functions
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/capability.h>
15 #include <linux/module.h>
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/security.h>
20 /* Boot-time LSM user choice */
21 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1];
23 /* things that live in capability.c */
24 extern struct security_operations default_security_ops
;
25 extern void security_fixup_ops(struct security_operations
*ops
);
27 struct security_operations
*security_ops
; /* Initialized to NULL */
29 /* amount of vm to protect from userspace access */
30 unsigned long mmap_min_addr
= CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR
;
32 static inline int verify(struct security_operations
*ops
)
34 /* verify the security_operations structure exists */
37 security_fixup_ops(ops
);
41 static void __init
do_security_initcalls(void)
44 call
= __security_initcall_start
;
45 while (call
< __security_initcall_end
) {
52 * security_init - initializes the security framework
54 * This should be called early in the kernel initialization sequence.
56 int __init
security_init(void)
58 printk(KERN_INFO
"Security Framework initialized\n");
60 security_fixup_ops(&default_security_ops
);
61 security_ops
= &default_security_ops
;
62 do_security_initcalls();
67 /* Save user chosen LSM */
68 static int __init
choose_lsm(char *str
)
70 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
73 __setup("security=", choose_lsm
);
76 * security_module_enable - Load given security module on boot ?
77 * @ops: a pointer to the struct security_operations that is to be checked.
79 * Each LSM must pass this method before registering its own operations
80 * to avoid security registration races. This method may also be used
81 * to check if your LSM is currently loaded during kernel initialization.
84 * -The passed LSM is the one chosen by user at boot time,
85 * -or user didn't specify a specific LSM and we're the first to ask
86 * for registration permission,
87 * -or the passed LSM is currently loaded.
88 * Otherwise, return false.
90 int __init
security_module_enable(struct security_operations
*ops
)
93 strncpy(chosen_lsm
, ops
->name
, SECURITY_NAME_MAX
);
94 else if (strncmp(ops
->name
, chosen_lsm
, SECURITY_NAME_MAX
))
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
104 * This function allows a security module to register itself with the
105 * kernel security subsystem. Some rudimentary checking is done on the @ops
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
109 * If there is already a security module registered with the kernel,
110 * an error will be returned. Otherwise %0 is returned on success.
112 int register_security(struct security_operations
*ops
)
115 printk(KERN_DEBUG
"%s could not verify "
116 "security_operations structure.\n", __func__
);
120 if (security_ops
!= &default_security_ops
)
128 /* Security operations */
130 int security_ptrace_may_access(struct task_struct
*child
, unsigned int mode
)
132 return security_ops
->ptrace_may_access(child
, mode
);
135 int security_ptrace_traceme(struct task_struct
*parent
)
137 return security_ops
->ptrace_traceme(parent
);
140 int security_capget(struct task_struct
*target
,
141 kernel_cap_t
*effective
,
142 kernel_cap_t
*inheritable
,
143 kernel_cap_t
*permitted
)
145 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
148 int security_capset_check(struct task_struct
*target
,
149 kernel_cap_t
*effective
,
150 kernel_cap_t
*inheritable
,
151 kernel_cap_t
*permitted
)
153 return security_ops
->capset_check(target
, effective
, inheritable
, permitted
);
156 void security_capset_set(struct task_struct
*target
,
157 kernel_cap_t
*effective
,
158 kernel_cap_t
*inheritable
,
159 kernel_cap_t
*permitted
)
161 security_ops
->capset_set(target
, effective
, inheritable
, permitted
);
164 int security_capable(struct task_struct
*tsk
, int cap
)
166 return security_ops
->capable(tsk
, cap
);
169 int security_acct(struct file
*file
)
171 return security_ops
->acct(file
);
174 int security_sysctl(struct ctl_table
*table
, int op
)
176 return security_ops
->sysctl(table
, op
);
179 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
181 return security_ops
->quotactl(cmds
, type
, id
, sb
);
184 int security_quota_on(struct dentry
*dentry
)
186 return security_ops
->quota_on(dentry
);
189 int security_syslog(int type
)
191 return security_ops
->syslog(type
);
194 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
196 return security_ops
->settime(ts
, tz
);
199 int security_vm_enough_memory(long pages
)
201 return security_ops
->vm_enough_memory(current
->mm
, pages
);
204 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
206 return security_ops
->vm_enough_memory(mm
, pages
);
209 int security_bprm_alloc(struct linux_binprm
*bprm
)
211 return security_ops
->bprm_alloc_security(bprm
);
214 void security_bprm_free(struct linux_binprm
*bprm
)
216 security_ops
->bprm_free_security(bprm
);
219 void security_bprm_apply_creds(struct linux_binprm
*bprm
, int unsafe
)
221 security_ops
->bprm_apply_creds(bprm
, unsafe
);
224 void security_bprm_post_apply_creds(struct linux_binprm
*bprm
)
226 security_ops
->bprm_post_apply_creds(bprm
);
229 int security_bprm_set(struct linux_binprm
*bprm
)
231 return security_ops
->bprm_set_security(bprm
);
234 int security_bprm_check(struct linux_binprm
*bprm
)
236 return security_ops
->bprm_check_security(bprm
);
239 int security_bprm_secureexec(struct linux_binprm
*bprm
)
241 return security_ops
->bprm_secureexec(bprm
);
244 int security_sb_alloc(struct super_block
*sb
)
246 return security_ops
->sb_alloc_security(sb
);
249 void security_sb_free(struct super_block
*sb
)
251 security_ops
->sb_free_security(sb
);
254 int security_sb_copy_data(char *orig
, char *copy
)
256 return security_ops
->sb_copy_data(orig
, copy
);
258 EXPORT_SYMBOL(security_sb_copy_data
);
260 int security_sb_kern_mount(struct super_block
*sb
, void *data
)
262 return security_ops
->sb_kern_mount(sb
, data
);
265 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
267 return security_ops
->sb_show_options(m
, sb
);
270 int security_sb_statfs(struct dentry
*dentry
)
272 return security_ops
->sb_statfs(dentry
);
275 int security_sb_mount(char *dev_name
, struct path
*path
,
276 char *type
, unsigned long flags
, void *data
)
278 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
281 int security_sb_check_sb(struct vfsmount
*mnt
, struct path
*path
)
283 return security_ops
->sb_check_sb(mnt
, path
);
286 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
288 return security_ops
->sb_umount(mnt
, flags
);
291 void security_sb_umount_close(struct vfsmount
*mnt
)
293 security_ops
->sb_umount_close(mnt
);
296 void security_sb_umount_busy(struct vfsmount
*mnt
)
298 security_ops
->sb_umount_busy(mnt
);
301 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
303 security_ops
->sb_post_remount(mnt
, flags
, data
);
306 void security_sb_post_addmount(struct vfsmount
*mnt
, struct path
*mountpoint
)
308 security_ops
->sb_post_addmount(mnt
, mountpoint
);
311 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
313 return security_ops
->sb_pivotroot(old_path
, new_path
);
316 void security_sb_post_pivotroot(struct path
*old_path
, struct path
*new_path
)
318 security_ops
->sb_post_pivotroot(old_path
, new_path
);
321 int security_sb_set_mnt_opts(struct super_block
*sb
,
322 struct security_mnt_opts
*opts
)
324 return security_ops
->sb_set_mnt_opts(sb
, opts
);
326 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
328 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
329 struct super_block
*newsb
)
331 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
333 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
335 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
337 return security_ops
->sb_parse_opts_str(options
, opts
);
339 EXPORT_SYMBOL(security_sb_parse_opts_str
);
341 int security_inode_alloc(struct inode
*inode
)
343 inode
->i_security
= NULL
;
344 return security_ops
->inode_alloc_security(inode
);
347 void security_inode_free(struct inode
*inode
)
349 security_ops
->inode_free_security(inode
);
352 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
353 char **name
, void **value
, size_t *len
)
355 if (unlikely(IS_PRIVATE(inode
)))
357 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
359 EXPORT_SYMBOL(security_inode_init_security
);
361 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
363 if (unlikely(IS_PRIVATE(dir
)))
365 return security_ops
->inode_create(dir
, dentry
, mode
);
368 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
369 struct dentry
*new_dentry
)
371 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
373 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
376 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
378 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
380 return security_ops
->inode_unlink(dir
, dentry
);
383 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
384 const char *old_name
)
386 if (unlikely(IS_PRIVATE(dir
)))
388 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
391 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
393 if (unlikely(IS_PRIVATE(dir
)))
395 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
398 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
400 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
402 return security_ops
->inode_rmdir(dir
, dentry
);
405 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
407 if (unlikely(IS_PRIVATE(dir
)))
409 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
412 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
413 struct inode
*new_dir
, struct dentry
*new_dentry
)
415 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
416 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
418 return security_ops
->inode_rename(old_dir
, old_dentry
,
419 new_dir
, new_dentry
);
422 int security_inode_readlink(struct dentry
*dentry
)
424 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
426 return security_ops
->inode_readlink(dentry
);
429 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
431 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
433 return security_ops
->inode_follow_link(dentry
, nd
);
436 int security_inode_permission(struct inode
*inode
, int mask
)
438 if (unlikely(IS_PRIVATE(inode
)))
440 return security_ops
->inode_permission(inode
, mask
);
443 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
445 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
447 return security_ops
->inode_setattr(dentry
, attr
);
449 EXPORT_SYMBOL_GPL(security_inode_setattr
);
451 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
453 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
455 return security_ops
->inode_getattr(mnt
, dentry
);
458 void security_inode_delete(struct inode
*inode
)
460 if (unlikely(IS_PRIVATE(inode
)))
462 security_ops
->inode_delete(inode
);
465 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
466 const void *value
, size_t size
, int flags
)
468 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
470 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
473 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
474 const void *value
, size_t size
, int flags
)
476 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
478 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
481 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
483 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
485 return security_ops
->inode_getxattr(dentry
, name
);
488 int security_inode_listxattr(struct dentry
*dentry
)
490 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
492 return security_ops
->inode_listxattr(dentry
);
495 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
497 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
499 return security_ops
->inode_removexattr(dentry
, name
);
502 int security_inode_need_killpriv(struct dentry
*dentry
)
504 return security_ops
->inode_need_killpriv(dentry
);
507 int security_inode_killpriv(struct dentry
*dentry
)
509 return security_ops
->inode_killpriv(dentry
);
512 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
514 if (unlikely(IS_PRIVATE(inode
)))
516 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
519 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
521 if (unlikely(IS_PRIVATE(inode
)))
523 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
526 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
528 if (unlikely(IS_PRIVATE(inode
)))
530 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
533 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
535 security_ops
->inode_getsecid(inode
, secid
);
538 int security_file_permission(struct file
*file
, int mask
)
540 return security_ops
->file_permission(file
, mask
);
543 int security_file_alloc(struct file
*file
)
545 return security_ops
->file_alloc_security(file
);
548 void security_file_free(struct file
*file
)
550 security_ops
->file_free_security(file
);
553 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
555 return security_ops
->file_ioctl(file
, cmd
, arg
);
558 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
559 unsigned long prot
, unsigned long flags
,
560 unsigned long addr
, unsigned long addr_only
)
562 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
565 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
568 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
571 int security_file_lock(struct file
*file
, unsigned int cmd
)
573 return security_ops
->file_lock(file
, cmd
);
576 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
578 return security_ops
->file_fcntl(file
, cmd
, arg
);
581 int security_file_set_fowner(struct file
*file
)
583 return security_ops
->file_set_fowner(file
);
586 int security_file_send_sigiotask(struct task_struct
*tsk
,
587 struct fown_struct
*fown
, int sig
)
589 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
592 int security_file_receive(struct file
*file
)
594 return security_ops
->file_receive(file
);
597 int security_dentry_open(struct file
*file
)
599 return security_ops
->dentry_open(file
);
602 int security_task_create(unsigned long clone_flags
)
604 return security_ops
->task_create(clone_flags
);
607 int security_task_alloc(struct task_struct
*p
)
609 return security_ops
->task_alloc_security(p
);
612 void security_task_free(struct task_struct
*p
)
614 security_ops
->task_free_security(p
);
617 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
619 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
622 int security_task_post_setuid(uid_t old_ruid
, uid_t old_euid
,
623 uid_t old_suid
, int flags
)
625 return security_ops
->task_post_setuid(old_ruid
, old_euid
, old_suid
, flags
);
628 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
630 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
633 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
635 return security_ops
->task_setpgid(p
, pgid
);
638 int security_task_getpgid(struct task_struct
*p
)
640 return security_ops
->task_getpgid(p
);
643 int security_task_getsid(struct task_struct
*p
)
645 return security_ops
->task_getsid(p
);
648 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
650 security_ops
->task_getsecid(p
, secid
);
652 EXPORT_SYMBOL(security_task_getsecid
);
654 int security_task_setgroups(struct group_info
*group_info
)
656 return security_ops
->task_setgroups(group_info
);
659 int security_task_setnice(struct task_struct
*p
, int nice
)
661 return security_ops
->task_setnice(p
, nice
);
664 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
666 return security_ops
->task_setioprio(p
, ioprio
);
669 int security_task_getioprio(struct task_struct
*p
)
671 return security_ops
->task_getioprio(p
);
674 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
676 return security_ops
->task_setrlimit(resource
, new_rlim
);
679 int security_task_setscheduler(struct task_struct
*p
,
680 int policy
, struct sched_param
*lp
)
682 return security_ops
->task_setscheduler(p
, policy
, lp
);
685 int security_task_getscheduler(struct task_struct
*p
)
687 return security_ops
->task_getscheduler(p
);
690 int security_task_movememory(struct task_struct
*p
)
692 return security_ops
->task_movememory(p
);
695 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
698 return security_ops
->task_kill(p
, info
, sig
, secid
);
701 int security_task_wait(struct task_struct
*p
)
703 return security_ops
->task_wait(p
);
706 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
707 unsigned long arg4
, unsigned long arg5
, long *rc_p
)
709 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
, rc_p
);
712 void security_task_reparent_to_init(struct task_struct
*p
)
714 security_ops
->task_reparent_to_init(p
);
717 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
719 security_ops
->task_to_inode(p
, inode
);
722 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
724 return security_ops
->ipc_permission(ipcp
, flag
);
727 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
729 security_ops
->ipc_getsecid(ipcp
, secid
);
732 int security_msg_msg_alloc(struct msg_msg
*msg
)
734 return security_ops
->msg_msg_alloc_security(msg
);
737 void security_msg_msg_free(struct msg_msg
*msg
)
739 security_ops
->msg_msg_free_security(msg
);
742 int security_msg_queue_alloc(struct msg_queue
*msq
)
744 return security_ops
->msg_queue_alloc_security(msq
);
747 void security_msg_queue_free(struct msg_queue
*msq
)
749 security_ops
->msg_queue_free_security(msq
);
752 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
754 return security_ops
->msg_queue_associate(msq
, msqflg
);
757 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
759 return security_ops
->msg_queue_msgctl(msq
, cmd
);
762 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
763 struct msg_msg
*msg
, int msqflg
)
765 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
768 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
769 struct task_struct
*target
, long type
, int mode
)
771 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
774 int security_shm_alloc(struct shmid_kernel
*shp
)
776 return security_ops
->shm_alloc_security(shp
);
779 void security_shm_free(struct shmid_kernel
*shp
)
781 security_ops
->shm_free_security(shp
);
784 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
786 return security_ops
->shm_associate(shp
, shmflg
);
789 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
791 return security_ops
->shm_shmctl(shp
, cmd
);
794 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
796 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
799 int security_sem_alloc(struct sem_array
*sma
)
801 return security_ops
->sem_alloc_security(sma
);
804 void security_sem_free(struct sem_array
*sma
)
806 security_ops
->sem_free_security(sma
);
809 int security_sem_associate(struct sem_array
*sma
, int semflg
)
811 return security_ops
->sem_associate(sma
, semflg
);
814 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
816 return security_ops
->sem_semctl(sma
, cmd
);
819 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
820 unsigned nsops
, int alter
)
822 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
825 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
827 if (unlikely(inode
&& IS_PRIVATE(inode
)))
829 security_ops
->d_instantiate(dentry
, inode
);
831 EXPORT_SYMBOL(security_d_instantiate
);
833 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
835 return security_ops
->getprocattr(p
, name
, value
);
838 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
840 return security_ops
->setprocattr(p
, name
, value
, size
);
843 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
845 return security_ops
->netlink_send(sk
, skb
);
848 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
850 return security_ops
->netlink_recv(skb
, cap
);
852 EXPORT_SYMBOL(security_netlink_recv
);
854 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
856 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
858 EXPORT_SYMBOL(security_secid_to_secctx
);
860 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
862 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
864 EXPORT_SYMBOL(security_secctx_to_secid
);
866 void security_release_secctx(char *secdata
, u32 seclen
)
868 security_ops
->release_secctx(secdata
, seclen
);
870 EXPORT_SYMBOL(security_release_secctx
);
872 #ifdef CONFIG_SECURITY_NETWORK
874 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
877 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
879 EXPORT_SYMBOL(security_unix_stream_connect
);
881 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
883 return security_ops
->unix_may_send(sock
, other
);
885 EXPORT_SYMBOL(security_unix_may_send
);
887 int security_socket_create(int family
, int type
, int protocol
, int kern
)
889 return security_ops
->socket_create(family
, type
, protocol
, kern
);
892 int security_socket_post_create(struct socket
*sock
, int family
,
893 int type
, int protocol
, int kern
)
895 return security_ops
->socket_post_create(sock
, family
, type
,
899 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
901 return security_ops
->socket_bind(sock
, address
, addrlen
);
904 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
906 return security_ops
->socket_connect(sock
, address
, addrlen
);
909 int security_socket_listen(struct socket
*sock
, int backlog
)
911 return security_ops
->socket_listen(sock
, backlog
);
914 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
916 return security_ops
->socket_accept(sock
, newsock
);
919 void security_socket_post_accept(struct socket
*sock
, struct socket
*newsock
)
921 security_ops
->socket_post_accept(sock
, newsock
);
924 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
926 return security_ops
->socket_sendmsg(sock
, msg
, size
);
929 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
932 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
935 int security_socket_getsockname(struct socket
*sock
)
937 return security_ops
->socket_getsockname(sock
);
940 int security_socket_getpeername(struct socket
*sock
)
942 return security_ops
->socket_getpeername(sock
);
945 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
947 return security_ops
->socket_getsockopt(sock
, level
, optname
);
950 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
952 return security_ops
->socket_setsockopt(sock
, level
, optname
);
955 int security_socket_shutdown(struct socket
*sock
, int how
)
957 return security_ops
->socket_shutdown(sock
, how
);
960 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
962 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
964 EXPORT_SYMBOL(security_sock_rcv_skb
);
966 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
967 int __user
*optlen
, unsigned len
)
969 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
972 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
974 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
976 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
978 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
980 return security_ops
->sk_alloc_security(sk
, family
, priority
);
983 void security_sk_free(struct sock
*sk
)
985 security_ops
->sk_free_security(sk
);
988 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
990 security_ops
->sk_clone_security(sk
, newsk
);
993 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
995 security_ops
->sk_getsecid(sk
, &fl
->secid
);
997 EXPORT_SYMBOL(security_sk_classify_flow
);
999 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1001 security_ops
->req_classify_flow(req
, fl
);
1003 EXPORT_SYMBOL(security_req_classify_flow
);
1005 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1007 security_ops
->sock_graft(sk
, parent
);
1009 EXPORT_SYMBOL(security_sock_graft
);
1011 int security_inet_conn_request(struct sock
*sk
,
1012 struct sk_buff
*skb
, struct request_sock
*req
)
1014 return security_ops
->inet_conn_request(sk
, skb
, req
);
1016 EXPORT_SYMBOL(security_inet_conn_request
);
1018 void security_inet_csk_clone(struct sock
*newsk
,
1019 const struct request_sock
*req
)
1021 security_ops
->inet_csk_clone(newsk
, req
);
1024 void security_inet_conn_established(struct sock
*sk
,
1025 struct sk_buff
*skb
)
1027 security_ops
->inet_conn_established(sk
, skb
);
1030 #endif /* CONFIG_SECURITY_NETWORK */
1032 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1034 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1036 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1038 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1040 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1041 struct xfrm_sec_ctx
**new_ctxp
)
1043 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1046 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1048 security_ops
->xfrm_policy_free_security(ctx
);
1050 EXPORT_SYMBOL(security_xfrm_policy_free
);
1052 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1054 return security_ops
->xfrm_policy_delete_security(ctx
);
1057 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1059 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1061 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1063 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1064 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1069 * We want the context to be taken from secid which is usually
1072 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1075 int security_xfrm_state_delete(struct xfrm_state
*x
)
1077 return security_ops
->xfrm_state_delete_security(x
);
1079 EXPORT_SYMBOL(security_xfrm_state_delete
);
1081 void security_xfrm_state_free(struct xfrm_state
*x
)
1083 security_ops
->xfrm_state_free_security(x
);
1086 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1088 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1091 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1092 struct xfrm_policy
*xp
, struct flowi
*fl
)
1094 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1097 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1099 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1102 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1104 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1108 EXPORT_SYMBOL(security_skb_classify_flow
);
1110 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1114 int security_key_alloc(struct key
*key
, struct task_struct
*tsk
, unsigned long flags
)
1116 return security_ops
->key_alloc(key
, tsk
, flags
);
1119 void security_key_free(struct key
*key
)
1121 security_ops
->key_free(key
);
1124 int security_key_permission(key_ref_t key_ref
,
1125 struct task_struct
*context
, key_perm_t perm
)
1127 return security_ops
->key_permission(key_ref
, context
, perm
);
1130 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1132 return security_ops
->key_getsecurity(key
, _buffer
);
1135 #endif /* CONFIG_KEYS */
1139 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1141 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1144 int security_audit_rule_known(struct audit_krule
*krule
)
1146 return security_ops
->audit_rule_known(krule
);
1149 void security_audit_rule_free(void *lsmrule
)
1151 security_ops
->audit_rule_free(lsmrule
);
1154 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1155 struct audit_context
*actx
)
1157 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1160 #endif /* CONFIG_AUDIT */