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>
21 /* things that live in dummy.c */
22 extern struct security_operations dummy_security_ops
;
23 extern void security_fixup_ops(struct security_operations
*ops
);
25 struct security_operations
*security_ops
; /* Initialized to NULL */
26 unsigned long mmap_min_addr
; /* 0 means no protection */
28 static inline int verify(struct security_operations
*ops
)
30 /* verify the security_operations structure exists */
33 security_fixup_ops(ops
);
37 static void __init
do_security_initcalls(void)
40 call
= __security_initcall_start
;
41 while (call
< __security_initcall_end
) {
48 * security_init - initializes the security framework
50 * This should be called early in the kernel initialization sequence.
52 int __init
security_init(void)
54 printk(KERN_INFO
"Security Framework initialized\n");
56 if (verify(&dummy_security_ops
)) {
57 printk(KERN_ERR
"%s could not verify "
58 "dummy_security_ops structure.\n", __FUNCTION__
);
62 security_ops
= &dummy_security_ops
;
63 do_security_initcalls();
69 * register_security - registers a security framework with the kernel
70 * @ops: a pointer to the struct security_options that is to be registered
72 * This function is to allow a security module to register itself with the
73 * kernel security subsystem. Some rudimentary checking is done on the @ops
74 * value passed to this function. A call to unregister_security() should be
75 * done to remove this security_options structure from the kernel.
77 * If there is already a security module registered with the kernel,
78 * an error will be returned. Otherwise 0 is returned on success.
80 int register_security(struct security_operations
*ops
)
83 printk(KERN_DEBUG
"%s could not verify "
84 "security_operations structure.\n", __FUNCTION__
);
88 if (security_ops
!= &dummy_security_ops
)
97 * unregister_security - unregisters a security framework with the kernel
98 * @ops: a pointer to the struct security_options that is to be registered
100 * This function removes a struct security_operations variable that had
101 * previously been registered with a successful call to register_security().
103 * If @ops does not match the valued previously passed to register_security()
104 * an error is returned. Otherwise the default security options is set to the
105 * the dummy_security_ops structure, and 0 is returned.
107 int unregister_security(struct security_operations
*ops
)
109 if (ops
!= security_ops
) {
110 printk(KERN_INFO
"%s: trying to unregister "
111 "a security_opts structure that is not "
112 "registered, failing.\n", __FUNCTION__
);
116 security_ops
= &dummy_security_ops
;
122 * mod_reg_security - allows security modules to be "stacked"
123 * @name: a pointer to a string with the name of the security_options to be registered
124 * @ops: a pointer to the struct security_options that is to be registered
126 * This function allows security modules to be stacked if the currently loaded
127 * security module allows this to happen. It passes the @name and @ops to the
128 * register_security function of the currently loaded security module.
130 * The return value depends on the currently loaded security module, with 0 as
133 int mod_reg_security(const char *name
, struct security_operations
*ops
)
136 printk(KERN_INFO
"%s could not verify "
137 "security operations.\n", __FUNCTION__
);
141 if (ops
== security_ops
) {
142 printk(KERN_INFO
"%s security operations "
143 "already registered.\n", __FUNCTION__
);
147 return security_ops
->register_security(name
, ops
);
151 * mod_unreg_security - allows a security module registered with mod_reg_security() to be unloaded
152 * @name: a pointer to a string with the name of the security_options to be removed
153 * @ops: a pointer to the struct security_options that is to be removed
155 * This function allows security modules that have been successfully registered
156 * with a call to mod_reg_security() to be unloaded from the system.
157 * This calls the currently loaded security module's unregister_security() call
158 * with the @name and @ops variables.
160 * The return value depends on the currently loaded security module, with 0 as
163 int mod_unreg_security(const char *name
, struct security_operations
*ops
)
165 if (ops
== security_ops
) {
166 printk(KERN_INFO
"%s invalid attempt to unregister "
167 " primary security ops.\n", __FUNCTION__
);
171 return security_ops
->unregister_security(name
, ops
);
174 /* Security operations */
176 int security_ptrace(struct task_struct
*parent
, struct task_struct
*child
)
178 return security_ops
->ptrace(parent
, child
);
181 int security_capget(struct task_struct
*target
,
182 kernel_cap_t
*effective
,
183 kernel_cap_t
*inheritable
,
184 kernel_cap_t
*permitted
)
186 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
189 int security_capset_check(struct task_struct
*target
,
190 kernel_cap_t
*effective
,
191 kernel_cap_t
*inheritable
,
192 kernel_cap_t
*permitted
)
194 return security_ops
->capset_check(target
, effective
, inheritable
, permitted
);
197 void security_capset_set(struct task_struct
*target
,
198 kernel_cap_t
*effective
,
199 kernel_cap_t
*inheritable
,
200 kernel_cap_t
*permitted
)
202 security_ops
->capset_set(target
, effective
, inheritable
, permitted
);
205 int security_capable(struct task_struct
*tsk
, int cap
)
207 return security_ops
->capable(tsk
, cap
);
210 int security_acct(struct file
*file
)
212 return security_ops
->acct(file
);
215 int security_sysctl(struct ctl_table
*table
, int op
)
217 return security_ops
->sysctl(table
, op
);
220 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
222 return security_ops
->quotactl(cmds
, type
, id
, sb
);
225 int security_quota_on(struct dentry
*dentry
)
227 return security_ops
->quota_on(dentry
);
230 int security_syslog(int type
)
232 return security_ops
->syslog(type
);
235 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
237 return security_ops
->settime(ts
, tz
);
240 int security_vm_enough_memory(long pages
)
242 return security_ops
->vm_enough_memory(current
->mm
, pages
);
245 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
247 return security_ops
->vm_enough_memory(mm
, pages
);
250 int security_bprm_alloc(struct linux_binprm
*bprm
)
252 return security_ops
->bprm_alloc_security(bprm
);
255 void security_bprm_free(struct linux_binprm
*bprm
)
257 security_ops
->bprm_free_security(bprm
);
260 void security_bprm_apply_creds(struct linux_binprm
*bprm
, int unsafe
)
262 security_ops
->bprm_apply_creds(bprm
, unsafe
);
265 void security_bprm_post_apply_creds(struct linux_binprm
*bprm
)
267 security_ops
->bprm_post_apply_creds(bprm
);
270 int security_bprm_set(struct linux_binprm
*bprm
)
272 return security_ops
->bprm_set_security(bprm
);
275 int security_bprm_check(struct linux_binprm
*bprm
)
277 return security_ops
->bprm_check_security(bprm
);
280 int security_bprm_secureexec(struct linux_binprm
*bprm
)
282 return security_ops
->bprm_secureexec(bprm
);
285 int security_sb_alloc(struct super_block
*sb
)
287 return security_ops
->sb_alloc_security(sb
);
290 void security_sb_free(struct super_block
*sb
)
292 security_ops
->sb_free_security(sb
);
295 int security_sb_copy_data(struct file_system_type
*type
, void *orig
, void *copy
)
297 return security_ops
->sb_copy_data(type
, orig
, copy
);
300 int security_sb_kern_mount(struct super_block
*sb
, void *data
)
302 return security_ops
->sb_kern_mount(sb
, data
);
305 int security_sb_statfs(struct dentry
*dentry
)
307 return security_ops
->sb_statfs(dentry
);
310 int security_sb_mount(char *dev_name
, struct nameidata
*nd
,
311 char *type
, unsigned long flags
, void *data
)
313 return security_ops
->sb_mount(dev_name
, nd
, type
, flags
, data
);
316 int security_sb_check_sb(struct vfsmount
*mnt
, struct nameidata
*nd
)
318 return security_ops
->sb_check_sb(mnt
, nd
);
321 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
323 return security_ops
->sb_umount(mnt
, flags
);
326 void security_sb_umount_close(struct vfsmount
*mnt
)
328 security_ops
->sb_umount_close(mnt
);
331 void security_sb_umount_busy(struct vfsmount
*mnt
)
333 security_ops
->sb_umount_busy(mnt
);
336 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
338 security_ops
->sb_post_remount(mnt
, flags
, data
);
341 void security_sb_post_mountroot(void)
343 security_ops
->sb_post_mountroot();
346 void security_sb_post_addmount(struct vfsmount
*mnt
, struct nameidata
*mountpoint_nd
)
348 security_ops
->sb_post_addmount(mnt
, mountpoint_nd
);
351 int security_sb_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
353 return security_ops
->sb_pivotroot(old_nd
, new_nd
);
356 void security_sb_post_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
358 security_ops
->sb_post_pivotroot(old_nd
, new_nd
);
361 int security_inode_alloc(struct inode
*inode
)
363 inode
->i_security
= NULL
;
364 return security_ops
->inode_alloc_security(inode
);
367 void security_inode_free(struct inode
*inode
)
369 security_ops
->inode_free_security(inode
);
372 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
373 char **name
, void **value
, size_t *len
)
375 if (unlikely(IS_PRIVATE(inode
)))
377 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
379 EXPORT_SYMBOL(security_inode_init_security
);
381 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
383 if (unlikely(IS_PRIVATE(dir
)))
385 return security_ops
->inode_create(dir
, dentry
, mode
);
388 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
389 struct dentry
*new_dentry
)
391 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
393 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
396 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
398 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
400 return security_ops
->inode_unlink(dir
, dentry
);
403 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
404 const char *old_name
)
406 if (unlikely(IS_PRIVATE(dir
)))
408 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
411 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
413 if (unlikely(IS_PRIVATE(dir
)))
415 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
418 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
420 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
422 return security_ops
->inode_rmdir(dir
, dentry
);
425 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
427 if (unlikely(IS_PRIVATE(dir
)))
429 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
432 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
433 struct inode
*new_dir
, struct dentry
*new_dentry
)
435 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
436 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
438 return security_ops
->inode_rename(old_dir
, old_dentry
,
439 new_dir
, new_dentry
);
442 int security_inode_readlink(struct dentry
*dentry
)
444 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
446 return security_ops
->inode_readlink(dentry
);
449 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
451 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
453 return security_ops
->inode_follow_link(dentry
, nd
);
456 int security_inode_permission(struct inode
*inode
, int mask
, struct nameidata
*nd
)
458 if (unlikely(IS_PRIVATE(inode
)))
460 return security_ops
->inode_permission(inode
, mask
, nd
);
463 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
465 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
467 return security_ops
->inode_setattr(dentry
, attr
);
470 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
472 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
474 return security_ops
->inode_getattr(mnt
, dentry
);
477 void security_inode_delete(struct inode
*inode
)
479 if (unlikely(IS_PRIVATE(inode
)))
481 security_ops
->inode_delete(inode
);
484 int security_inode_setxattr(struct dentry
*dentry
, char *name
,
485 void *value
, size_t size
, int flags
)
487 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
489 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
492 void security_inode_post_setxattr(struct dentry
*dentry
, char *name
,
493 void *value
, size_t size
, int flags
)
495 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
497 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
500 int security_inode_getxattr(struct dentry
*dentry
, char *name
)
502 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
504 return security_ops
->inode_getxattr(dentry
, name
);
507 int security_inode_listxattr(struct dentry
*dentry
)
509 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
511 return security_ops
->inode_listxattr(dentry
);
514 int security_inode_removexattr(struct dentry
*dentry
, char *name
)
516 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
518 return security_ops
->inode_removexattr(dentry
, name
);
521 const char *security_inode_xattr_getsuffix(void)
523 return security_ops
->inode_xattr_getsuffix();
526 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void *buffer
, size_t size
, int err
)
528 if (unlikely(IS_PRIVATE(inode
)))
530 return security_ops
->inode_getsecurity(inode
, name
, buffer
, size
, err
);
533 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
535 if (unlikely(IS_PRIVATE(inode
)))
537 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
540 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
542 if (unlikely(IS_PRIVATE(inode
)))
544 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
547 int security_file_permission(struct file
*file
, int mask
)
549 return security_ops
->file_permission(file
, mask
);
552 int security_file_alloc(struct file
*file
)
554 return security_ops
->file_alloc_security(file
);
557 void security_file_free(struct file
*file
)
559 security_ops
->file_free_security(file
);
562 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
564 return security_ops
->file_ioctl(file
, cmd
, arg
);
567 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
568 unsigned long prot
, unsigned long flags
,
569 unsigned long addr
, unsigned long addr_only
)
571 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
574 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
577 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
580 int security_file_lock(struct file
*file
, unsigned int cmd
)
582 return security_ops
->file_lock(file
, cmd
);
585 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
587 return security_ops
->file_fcntl(file
, cmd
, arg
);
590 int security_file_set_fowner(struct file
*file
)
592 return security_ops
->file_set_fowner(file
);
595 int security_file_send_sigiotask(struct task_struct
*tsk
,
596 struct fown_struct
*fown
, int sig
)
598 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
601 int security_file_receive(struct file
*file
)
603 return security_ops
->file_receive(file
);
606 int security_dentry_open(struct file
*file
)
608 return security_ops
->dentry_open(file
);
611 int security_task_create(unsigned long clone_flags
)
613 return security_ops
->task_create(clone_flags
);
616 int security_task_alloc(struct task_struct
*p
)
618 return security_ops
->task_alloc_security(p
);
621 void security_task_free(struct task_struct
*p
)
623 security_ops
->task_free_security(p
);
626 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
628 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
631 int security_task_post_setuid(uid_t old_ruid
, uid_t old_euid
,
632 uid_t old_suid
, int flags
)
634 return security_ops
->task_post_setuid(old_ruid
, old_euid
, old_suid
, flags
);
637 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
639 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
642 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
644 return security_ops
->task_setpgid(p
, pgid
);
647 int security_task_getpgid(struct task_struct
*p
)
649 return security_ops
->task_getpgid(p
);
652 int security_task_getsid(struct task_struct
*p
)
654 return security_ops
->task_getsid(p
);
657 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
659 security_ops
->task_getsecid(p
, secid
);
661 EXPORT_SYMBOL(security_task_getsecid
);
663 int security_task_setgroups(struct group_info
*group_info
)
665 return security_ops
->task_setgroups(group_info
);
668 int security_task_setnice(struct task_struct
*p
, int nice
)
670 return security_ops
->task_setnice(p
, nice
);
673 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
675 return security_ops
->task_setioprio(p
, ioprio
);
678 int security_task_getioprio(struct task_struct
*p
)
680 return security_ops
->task_getioprio(p
);
683 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
685 return security_ops
->task_setrlimit(resource
, new_rlim
);
688 int security_task_setscheduler(struct task_struct
*p
,
689 int policy
, struct sched_param
*lp
)
691 return security_ops
->task_setscheduler(p
, policy
, lp
);
694 int security_task_getscheduler(struct task_struct
*p
)
696 return security_ops
->task_getscheduler(p
);
699 int security_task_movememory(struct task_struct
*p
)
701 return security_ops
->task_movememory(p
);
704 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
707 return security_ops
->task_kill(p
, info
, sig
, secid
);
710 int security_task_wait(struct task_struct
*p
)
712 return security_ops
->task_wait(p
);
715 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
716 unsigned long arg4
, unsigned long arg5
)
718 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
721 void security_task_reparent_to_init(struct task_struct
*p
)
723 security_ops
->task_reparent_to_init(p
);
726 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
728 security_ops
->task_to_inode(p
, inode
);
731 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
733 return security_ops
->ipc_permission(ipcp
, flag
);
736 int security_msg_msg_alloc(struct msg_msg
*msg
)
738 return security_ops
->msg_msg_alloc_security(msg
);
741 void security_msg_msg_free(struct msg_msg
*msg
)
743 security_ops
->msg_msg_free_security(msg
);
746 int security_msg_queue_alloc(struct msg_queue
*msq
)
748 return security_ops
->msg_queue_alloc_security(msq
);
751 void security_msg_queue_free(struct msg_queue
*msq
)
753 security_ops
->msg_queue_free_security(msq
);
756 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
758 return security_ops
->msg_queue_associate(msq
, msqflg
);
761 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
763 return security_ops
->msg_queue_msgctl(msq
, cmd
);
766 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
767 struct msg_msg
*msg
, int msqflg
)
769 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
772 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
773 struct task_struct
*target
, long type
, int mode
)
775 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
778 int security_shm_alloc(struct shmid_kernel
*shp
)
780 return security_ops
->shm_alloc_security(shp
);
783 void security_shm_free(struct shmid_kernel
*shp
)
785 security_ops
->shm_free_security(shp
);
788 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
790 return security_ops
->shm_associate(shp
, shmflg
);
793 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
795 return security_ops
->shm_shmctl(shp
, cmd
);
798 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
800 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
803 int security_sem_alloc(struct sem_array
*sma
)
805 return security_ops
->sem_alloc_security(sma
);
808 void security_sem_free(struct sem_array
*sma
)
810 security_ops
->sem_free_security(sma
);
813 int security_sem_associate(struct sem_array
*sma
, int semflg
)
815 return security_ops
->sem_associate(sma
, semflg
);
818 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
820 return security_ops
->sem_semctl(sma
, cmd
);
823 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
824 unsigned nsops
, int alter
)
826 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
829 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
831 if (unlikely(inode
&& IS_PRIVATE(inode
)))
833 security_ops
->d_instantiate(dentry
, inode
);
835 EXPORT_SYMBOL(security_d_instantiate
);
837 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
839 return security_ops
->getprocattr(p
, name
, value
);
842 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
844 return security_ops
->setprocattr(p
, name
, value
, size
);
847 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
849 return security_ops
->netlink_send(sk
, skb
);
851 EXPORT_SYMBOL(security_netlink_send
);
853 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
855 return security_ops
->netlink_recv(skb
, cap
);
857 EXPORT_SYMBOL(security_netlink_recv
);
859 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
861 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
863 EXPORT_SYMBOL(security_secid_to_secctx
);
865 void security_release_secctx(char *secdata
, u32 seclen
)
867 return security_ops
->release_secctx(secdata
, seclen
);
869 EXPORT_SYMBOL(security_release_secctx
);
871 #ifdef CONFIG_SECURITY_NETWORK
873 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
876 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
878 EXPORT_SYMBOL(security_unix_stream_connect
);
880 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
882 return security_ops
->unix_may_send(sock
, other
);
884 EXPORT_SYMBOL(security_unix_may_send
);
886 int security_socket_create(int family
, int type
, int protocol
, int kern
)
888 return security_ops
->socket_create(family
, type
, protocol
, kern
);
891 int security_socket_post_create(struct socket
*sock
, int family
,
892 int type
, int protocol
, int kern
)
894 return security_ops
->socket_post_create(sock
, family
, type
,
898 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
900 return security_ops
->socket_bind(sock
, address
, addrlen
);
903 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
905 return security_ops
->socket_connect(sock
, address
, addrlen
);
908 int security_socket_listen(struct socket
*sock
, int backlog
)
910 return security_ops
->socket_listen(sock
, backlog
);
913 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
915 return security_ops
->socket_accept(sock
, newsock
);
918 void security_socket_post_accept(struct socket
*sock
, struct socket
*newsock
)
920 security_ops
->socket_post_accept(sock
, newsock
);
923 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
925 return security_ops
->socket_sendmsg(sock
, msg
, size
);
928 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
931 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
934 int security_socket_getsockname(struct socket
*sock
)
936 return security_ops
->socket_getsockname(sock
);
939 int security_socket_getpeername(struct socket
*sock
)
941 return security_ops
->socket_getpeername(sock
);
944 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
946 return security_ops
->socket_getsockopt(sock
, level
, optname
);
949 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
951 return security_ops
->socket_setsockopt(sock
, level
, optname
);
954 int security_socket_shutdown(struct socket
*sock
, int how
)
956 return security_ops
->socket_shutdown(sock
, how
);
959 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
961 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
963 EXPORT_SYMBOL(security_sock_rcv_skb
);
965 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
966 int __user
*optlen
, unsigned len
)
968 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
971 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
973 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
975 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
977 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
979 return security_ops
->sk_alloc_security(sk
, family
, priority
);
982 void security_sk_free(struct sock
*sk
)
984 return security_ops
->sk_free_security(sk
);
987 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
989 return security_ops
->sk_clone_security(sk
, newsk
);
992 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
994 security_ops
->sk_getsecid(sk
, &fl
->secid
);
996 EXPORT_SYMBOL(security_sk_classify_flow
);
998 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1000 security_ops
->req_classify_flow(req
, fl
);
1002 EXPORT_SYMBOL(security_req_classify_flow
);
1004 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1006 security_ops
->sock_graft(sk
, parent
);
1008 EXPORT_SYMBOL(security_sock_graft
);
1010 int security_inet_conn_request(struct sock
*sk
,
1011 struct sk_buff
*skb
, struct request_sock
*req
)
1013 return security_ops
->inet_conn_request(sk
, skb
, req
);
1015 EXPORT_SYMBOL(security_inet_conn_request
);
1017 void security_inet_csk_clone(struct sock
*newsk
,
1018 const struct request_sock
*req
)
1020 security_ops
->inet_csk_clone(newsk
, req
);
1023 void security_inet_conn_established(struct sock
*sk
,
1024 struct sk_buff
*skb
)
1026 security_ops
->inet_conn_established(sk
, skb
);
1029 #endif /* CONFIG_SECURITY_NETWORK */
1031 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1033 int security_xfrm_policy_alloc(struct xfrm_policy
*xp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1035 return security_ops
->xfrm_policy_alloc_security(xp
, sec_ctx
);
1037 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1039 int security_xfrm_policy_clone(struct xfrm_policy
*old
, struct xfrm_policy
*new)
1041 return security_ops
->xfrm_policy_clone_security(old
, new);
1044 void security_xfrm_policy_free(struct xfrm_policy
*xp
)
1046 security_ops
->xfrm_policy_free_security(xp
);
1048 EXPORT_SYMBOL(security_xfrm_policy_free
);
1050 int security_xfrm_policy_delete(struct xfrm_policy
*xp
)
1052 return security_ops
->xfrm_policy_delete_security(xp
);
1055 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1057 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1059 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1061 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1062 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1067 * We want the context to be taken from secid which is usually
1070 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1073 int security_xfrm_state_delete(struct xfrm_state
*x
)
1075 return security_ops
->xfrm_state_delete_security(x
);
1077 EXPORT_SYMBOL(security_xfrm_state_delete
);
1079 void security_xfrm_state_free(struct xfrm_state
*x
)
1081 security_ops
->xfrm_state_free_security(x
);
1084 int security_xfrm_policy_lookup(struct xfrm_policy
*xp
, u32 fl_secid
, u8 dir
)
1086 return security_ops
->xfrm_policy_lookup(xp
, fl_secid
, dir
);
1089 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1090 struct xfrm_policy
*xp
, struct flowi
*fl
)
1092 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1095 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1097 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1100 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1102 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1106 EXPORT_SYMBOL(security_skb_classify_flow
);
1108 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1112 int security_key_alloc(struct key
*key
, struct task_struct
*tsk
, unsigned long flags
)
1114 return security_ops
->key_alloc(key
, tsk
, flags
);
1117 void security_key_free(struct key
*key
)
1119 security_ops
->key_free(key
);
1122 int security_key_permission(key_ref_t key_ref
,
1123 struct task_struct
*context
, key_perm_t perm
)
1125 return security_ops
->key_permission(key_ref
, context
, perm
);
1128 #endif /* CONFIG_KEYS */