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 */
27 /* amount of vm to protect from userspace access */
28 unsigned long mmap_min_addr
= CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR
;
30 static inline int verify(struct security_operations
*ops
)
32 /* verify the security_operations structure exists */
35 security_fixup_ops(ops
);
39 static void __init
do_security_initcalls(void)
42 call
= __security_initcall_start
;
43 while (call
< __security_initcall_end
) {
50 * security_init - initializes the security framework
52 * This should be called early in the kernel initialization sequence.
54 int __init
security_init(void)
56 printk(KERN_INFO
"Security Framework initialized\n");
58 if (verify(&dummy_security_ops
)) {
59 printk(KERN_ERR
"%s could not verify "
60 "dummy_security_ops structure.\n", __FUNCTION__
);
64 security_ops
= &dummy_security_ops
;
65 do_security_initcalls();
71 * register_security - registers a security framework with the kernel
72 * @ops: a pointer to the struct security_options that is to be registered
74 * This function is to allow a security module to register itself with the
75 * kernel security subsystem. Some rudimentary checking is done on the @ops
76 * value passed to this function.
78 * If there is already a security module registered with the kernel,
79 * an error will be returned. Otherwise 0 is returned on success.
81 int register_security(struct security_operations
*ops
)
84 printk(KERN_DEBUG
"%s could not verify "
85 "security_operations structure.\n", __FUNCTION__
);
89 if (security_ops
!= &dummy_security_ops
)
98 * mod_reg_security - allows security modules to be "stacked"
99 * @name: a pointer to a string with the name of the security_options to be registered
100 * @ops: a pointer to the struct security_options that is to be registered
102 * This function allows security modules to be stacked if the currently loaded
103 * security module allows this to happen. It passes the @name and @ops to the
104 * register_security function of the currently loaded security module.
106 * The return value depends on the currently loaded security module, with 0 as
109 int mod_reg_security(const char *name
, struct security_operations
*ops
)
112 printk(KERN_INFO
"%s could not verify "
113 "security operations.\n", __FUNCTION__
);
117 if (ops
== security_ops
) {
118 printk(KERN_INFO
"%s security operations "
119 "already registered.\n", __FUNCTION__
);
123 return security_ops
->register_security(name
, ops
);
126 /* Security operations */
128 int security_ptrace(struct task_struct
*parent
, struct task_struct
*child
)
130 return security_ops
->ptrace(parent
, child
);
133 int security_capget(struct task_struct
*target
,
134 kernel_cap_t
*effective
,
135 kernel_cap_t
*inheritable
,
136 kernel_cap_t
*permitted
)
138 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
141 int security_capset_check(struct task_struct
*target
,
142 kernel_cap_t
*effective
,
143 kernel_cap_t
*inheritable
,
144 kernel_cap_t
*permitted
)
146 return security_ops
->capset_check(target
, effective
, inheritable
, permitted
);
149 void security_capset_set(struct task_struct
*target
,
150 kernel_cap_t
*effective
,
151 kernel_cap_t
*inheritable
,
152 kernel_cap_t
*permitted
)
154 security_ops
->capset_set(target
, effective
, inheritable
, permitted
);
157 int security_capable(struct task_struct
*tsk
, int cap
)
159 return security_ops
->capable(tsk
, cap
);
162 int security_acct(struct file
*file
)
164 return security_ops
->acct(file
);
167 int security_sysctl(struct ctl_table
*table
, int op
)
169 return security_ops
->sysctl(table
, op
);
172 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
174 return security_ops
->quotactl(cmds
, type
, id
, sb
);
177 int security_quota_on(struct dentry
*dentry
)
179 return security_ops
->quota_on(dentry
);
182 int security_syslog(int type
)
184 return security_ops
->syslog(type
);
187 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
189 return security_ops
->settime(ts
, tz
);
192 int security_vm_enough_memory(long pages
)
194 return security_ops
->vm_enough_memory(current
->mm
, pages
);
197 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
199 return security_ops
->vm_enough_memory(mm
, pages
);
202 int security_bprm_alloc(struct linux_binprm
*bprm
)
204 return security_ops
->bprm_alloc_security(bprm
);
207 void security_bprm_free(struct linux_binprm
*bprm
)
209 security_ops
->bprm_free_security(bprm
);
212 void security_bprm_apply_creds(struct linux_binprm
*bprm
, int unsafe
)
214 security_ops
->bprm_apply_creds(bprm
, unsafe
);
217 void security_bprm_post_apply_creds(struct linux_binprm
*bprm
)
219 security_ops
->bprm_post_apply_creds(bprm
);
222 int security_bprm_set(struct linux_binprm
*bprm
)
224 return security_ops
->bprm_set_security(bprm
);
227 int security_bprm_check(struct linux_binprm
*bprm
)
229 return security_ops
->bprm_check_security(bprm
);
232 int security_bprm_secureexec(struct linux_binprm
*bprm
)
234 return security_ops
->bprm_secureexec(bprm
);
237 int security_sb_alloc(struct super_block
*sb
)
239 return security_ops
->sb_alloc_security(sb
);
242 void security_sb_free(struct super_block
*sb
)
244 security_ops
->sb_free_security(sb
);
247 int security_sb_copy_data(char *orig
, char *copy
)
249 return security_ops
->sb_copy_data(orig
, copy
);
251 EXPORT_SYMBOL(security_sb_copy_data
);
253 int security_sb_kern_mount(struct super_block
*sb
, void *data
)
255 return security_ops
->sb_kern_mount(sb
, data
);
258 int security_sb_statfs(struct dentry
*dentry
)
260 return security_ops
->sb_statfs(dentry
);
263 int security_sb_mount(char *dev_name
, struct nameidata
*nd
,
264 char *type
, unsigned long flags
, void *data
)
266 return security_ops
->sb_mount(dev_name
, nd
, type
, flags
, data
);
269 int security_sb_check_sb(struct vfsmount
*mnt
, struct nameidata
*nd
)
271 return security_ops
->sb_check_sb(mnt
, nd
);
274 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
276 return security_ops
->sb_umount(mnt
, flags
);
279 void security_sb_umount_close(struct vfsmount
*mnt
)
281 security_ops
->sb_umount_close(mnt
);
284 void security_sb_umount_busy(struct vfsmount
*mnt
)
286 security_ops
->sb_umount_busy(mnt
);
289 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
291 security_ops
->sb_post_remount(mnt
, flags
, data
);
294 void security_sb_post_addmount(struct vfsmount
*mnt
, struct nameidata
*mountpoint_nd
)
296 security_ops
->sb_post_addmount(mnt
, mountpoint_nd
);
299 int security_sb_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
301 return security_ops
->sb_pivotroot(old_nd
, new_nd
);
304 void security_sb_post_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
306 security_ops
->sb_post_pivotroot(old_nd
, new_nd
);
309 int security_sb_get_mnt_opts(const struct super_block
*sb
,
310 struct security_mnt_opts
*opts
)
312 return security_ops
->sb_get_mnt_opts(sb
, opts
);
315 int security_sb_set_mnt_opts(struct super_block
*sb
,
316 struct security_mnt_opts
*opts
)
318 return security_ops
->sb_set_mnt_opts(sb
, opts
);
320 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
322 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
323 struct super_block
*newsb
)
325 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
327 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
329 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
331 return security_ops
->sb_parse_opts_str(options
, opts
);
333 EXPORT_SYMBOL(security_sb_parse_opts_str
);
335 int security_inode_alloc(struct inode
*inode
)
337 inode
->i_security
= NULL
;
338 return security_ops
->inode_alloc_security(inode
);
341 void security_inode_free(struct inode
*inode
)
343 security_ops
->inode_free_security(inode
);
346 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
347 char **name
, void **value
, size_t *len
)
349 if (unlikely(IS_PRIVATE(inode
)))
351 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
353 EXPORT_SYMBOL(security_inode_init_security
);
355 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
357 if (unlikely(IS_PRIVATE(dir
)))
359 return security_ops
->inode_create(dir
, dentry
, mode
);
362 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
363 struct dentry
*new_dentry
)
365 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
367 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
370 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
372 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
374 return security_ops
->inode_unlink(dir
, dentry
);
377 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
378 const char *old_name
)
380 if (unlikely(IS_PRIVATE(dir
)))
382 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
385 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
387 if (unlikely(IS_PRIVATE(dir
)))
389 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
392 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
394 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
396 return security_ops
->inode_rmdir(dir
, dentry
);
399 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
401 if (unlikely(IS_PRIVATE(dir
)))
403 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
406 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
407 struct inode
*new_dir
, struct dentry
*new_dentry
)
409 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
410 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
412 return security_ops
->inode_rename(old_dir
, old_dentry
,
413 new_dir
, new_dentry
);
416 int security_inode_readlink(struct dentry
*dentry
)
418 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
420 return security_ops
->inode_readlink(dentry
);
423 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
425 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
427 return security_ops
->inode_follow_link(dentry
, nd
);
430 int security_inode_permission(struct inode
*inode
, int mask
, struct nameidata
*nd
)
432 if (unlikely(IS_PRIVATE(inode
)))
434 return security_ops
->inode_permission(inode
, mask
, nd
);
437 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
439 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
441 return security_ops
->inode_setattr(dentry
, attr
);
444 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
446 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
448 return security_ops
->inode_getattr(mnt
, dentry
);
451 void security_inode_delete(struct inode
*inode
)
453 if (unlikely(IS_PRIVATE(inode
)))
455 security_ops
->inode_delete(inode
);
458 int security_inode_setxattr(struct dentry
*dentry
, char *name
,
459 void *value
, size_t size
, int flags
)
461 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
463 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
466 void security_inode_post_setxattr(struct dentry
*dentry
, char *name
,
467 void *value
, size_t size
, int flags
)
469 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
471 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
474 int security_inode_getxattr(struct dentry
*dentry
, char *name
)
476 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
478 return security_ops
->inode_getxattr(dentry
, name
);
481 int security_inode_listxattr(struct dentry
*dentry
)
483 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
485 return security_ops
->inode_listxattr(dentry
);
488 int security_inode_removexattr(struct dentry
*dentry
, char *name
)
490 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
492 return security_ops
->inode_removexattr(dentry
, name
);
495 int security_inode_need_killpriv(struct dentry
*dentry
)
497 return security_ops
->inode_need_killpriv(dentry
);
500 int security_inode_killpriv(struct dentry
*dentry
)
502 return security_ops
->inode_killpriv(dentry
);
505 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
507 if (unlikely(IS_PRIVATE(inode
)))
509 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
512 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
514 if (unlikely(IS_PRIVATE(inode
)))
516 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
519 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
521 if (unlikely(IS_PRIVATE(inode
)))
523 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
526 int security_file_permission(struct file
*file
, int mask
)
528 return security_ops
->file_permission(file
, mask
);
531 int security_file_alloc(struct file
*file
)
533 return security_ops
->file_alloc_security(file
);
536 void security_file_free(struct file
*file
)
538 security_ops
->file_free_security(file
);
541 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
543 return security_ops
->file_ioctl(file
, cmd
, arg
);
546 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
547 unsigned long prot
, unsigned long flags
,
548 unsigned long addr
, unsigned long addr_only
)
550 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
553 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
556 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
559 int security_file_lock(struct file
*file
, unsigned int cmd
)
561 return security_ops
->file_lock(file
, cmd
);
564 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
566 return security_ops
->file_fcntl(file
, cmd
, arg
);
569 int security_file_set_fowner(struct file
*file
)
571 return security_ops
->file_set_fowner(file
);
574 int security_file_send_sigiotask(struct task_struct
*tsk
,
575 struct fown_struct
*fown
, int sig
)
577 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
580 int security_file_receive(struct file
*file
)
582 return security_ops
->file_receive(file
);
585 int security_dentry_open(struct file
*file
)
587 return security_ops
->dentry_open(file
);
590 int security_task_create(unsigned long clone_flags
)
592 return security_ops
->task_create(clone_flags
);
595 int security_task_alloc(struct task_struct
*p
)
597 return security_ops
->task_alloc_security(p
);
600 void security_task_free(struct task_struct
*p
)
602 security_ops
->task_free_security(p
);
605 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
607 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
610 int security_task_post_setuid(uid_t old_ruid
, uid_t old_euid
,
611 uid_t old_suid
, int flags
)
613 return security_ops
->task_post_setuid(old_ruid
, old_euid
, old_suid
, flags
);
616 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
618 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
621 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
623 return security_ops
->task_setpgid(p
, pgid
);
626 int security_task_getpgid(struct task_struct
*p
)
628 return security_ops
->task_getpgid(p
);
631 int security_task_getsid(struct task_struct
*p
)
633 return security_ops
->task_getsid(p
);
636 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
638 security_ops
->task_getsecid(p
, secid
);
640 EXPORT_SYMBOL(security_task_getsecid
);
642 int security_task_setgroups(struct group_info
*group_info
)
644 return security_ops
->task_setgroups(group_info
);
647 int security_task_setnice(struct task_struct
*p
, int nice
)
649 return security_ops
->task_setnice(p
, nice
);
652 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
654 return security_ops
->task_setioprio(p
, ioprio
);
657 int security_task_getioprio(struct task_struct
*p
)
659 return security_ops
->task_getioprio(p
);
662 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
664 return security_ops
->task_setrlimit(resource
, new_rlim
);
667 int security_task_setscheduler(struct task_struct
*p
,
668 int policy
, struct sched_param
*lp
)
670 return security_ops
->task_setscheduler(p
, policy
, lp
);
673 int security_task_getscheduler(struct task_struct
*p
)
675 return security_ops
->task_getscheduler(p
);
678 int security_task_movememory(struct task_struct
*p
)
680 return security_ops
->task_movememory(p
);
683 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
686 return security_ops
->task_kill(p
, info
, sig
, secid
);
689 int security_task_wait(struct task_struct
*p
)
691 return security_ops
->task_wait(p
);
694 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
695 unsigned long arg4
, unsigned long arg5
)
697 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
700 void security_task_reparent_to_init(struct task_struct
*p
)
702 security_ops
->task_reparent_to_init(p
);
705 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
707 security_ops
->task_to_inode(p
, inode
);
710 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
712 return security_ops
->ipc_permission(ipcp
, flag
);
715 int security_msg_msg_alloc(struct msg_msg
*msg
)
717 return security_ops
->msg_msg_alloc_security(msg
);
720 void security_msg_msg_free(struct msg_msg
*msg
)
722 security_ops
->msg_msg_free_security(msg
);
725 int security_msg_queue_alloc(struct msg_queue
*msq
)
727 return security_ops
->msg_queue_alloc_security(msq
);
730 void security_msg_queue_free(struct msg_queue
*msq
)
732 security_ops
->msg_queue_free_security(msq
);
735 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
737 return security_ops
->msg_queue_associate(msq
, msqflg
);
740 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
742 return security_ops
->msg_queue_msgctl(msq
, cmd
);
745 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
746 struct msg_msg
*msg
, int msqflg
)
748 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
751 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
752 struct task_struct
*target
, long type
, int mode
)
754 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
757 int security_shm_alloc(struct shmid_kernel
*shp
)
759 return security_ops
->shm_alloc_security(shp
);
762 void security_shm_free(struct shmid_kernel
*shp
)
764 security_ops
->shm_free_security(shp
);
767 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
769 return security_ops
->shm_associate(shp
, shmflg
);
772 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
774 return security_ops
->shm_shmctl(shp
, cmd
);
777 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
779 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
782 int security_sem_alloc(struct sem_array
*sma
)
784 return security_ops
->sem_alloc_security(sma
);
787 void security_sem_free(struct sem_array
*sma
)
789 security_ops
->sem_free_security(sma
);
792 int security_sem_associate(struct sem_array
*sma
, int semflg
)
794 return security_ops
->sem_associate(sma
, semflg
);
797 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
799 return security_ops
->sem_semctl(sma
, cmd
);
802 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
803 unsigned nsops
, int alter
)
805 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
808 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
810 if (unlikely(inode
&& IS_PRIVATE(inode
)))
812 security_ops
->d_instantiate(dentry
, inode
);
814 EXPORT_SYMBOL(security_d_instantiate
);
816 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
818 return security_ops
->getprocattr(p
, name
, value
);
821 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
823 return security_ops
->setprocattr(p
, name
, value
, size
);
826 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
828 return security_ops
->netlink_send(sk
, skb
);
831 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
833 return security_ops
->netlink_recv(skb
, cap
);
835 EXPORT_SYMBOL(security_netlink_recv
);
837 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
839 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
841 EXPORT_SYMBOL(security_secid_to_secctx
);
843 int security_secctx_to_secid(char *secdata
, u32 seclen
, u32
*secid
)
845 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
847 EXPORT_SYMBOL(security_secctx_to_secid
);
849 void security_release_secctx(char *secdata
, u32 seclen
)
851 return security_ops
->release_secctx(secdata
, seclen
);
853 EXPORT_SYMBOL(security_release_secctx
);
855 #ifdef CONFIG_SECURITY_NETWORK
857 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
860 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
862 EXPORT_SYMBOL(security_unix_stream_connect
);
864 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
866 return security_ops
->unix_may_send(sock
, other
);
868 EXPORT_SYMBOL(security_unix_may_send
);
870 int security_socket_create(int family
, int type
, int protocol
, int kern
)
872 return security_ops
->socket_create(family
, type
, protocol
, kern
);
875 int security_socket_post_create(struct socket
*sock
, int family
,
876 int type
, int protocol
, int kern
)
878 return security_ops
->socket_post_create(sock
, family
, type
,
882 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
884 return security_ops
->socket_bind(sock
, address
, addrlen
);
887 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
889 return security_ops
->socket_connect(sock
, address
, addrlen
);
892 int security_socket_listen(struct socket
*sock
, int backlog
)
894 return security_ops
->socket_listen(sock
, backlog
);
897 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
899 return security_ops
->socket_accept(sock
, newsock
);
902 void security_socket_post_accept(struct socket
*sock
, struct socket
*newsock
)
904 security_ops
->socket_post_accept(sock
, newsock
);
907 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
909 return security_ops
->socket_sendmsg(sock
, msg
, size
);
912 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
915 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
918 int security_socket_getsockname(struct socket
*sock
)
920 return security_ops
->socket_getsockname(sock
);
923 int security_socket_getpeername(struct socket
*sock
)
925 return security_ops
->socket_getpeername(sock
);
928 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
930 return security_ops
->socket_getsockopt(sock
, level
, optname
);
933 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
935 return security_ops
->socket_setsockopt(sock
, level
, optname
);
938 int security_socket_shutdown(struct socket
*sock
, int how
)
940 return security_ops
->socket_shutdown(sock
, how
);
943 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
945 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
947 EXPORT_SYMBOL(security_sock_rcv_skb
);
949 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
950 int __user
*optlen
, unsigned len
)
952 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
955 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
957 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
959 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
961 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
963 return security_ops
->sk_alloc_security(sk
, family
, priority
);
966 void security_sk_free(struct sock
*sk
)
968 return security_ops
->sk_free_security(sk
);
971 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
973 return security_ops
->sk_clone_security(sk
, newsk
);
976 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
978 security_ops
->sk_getsecid(sk
, &fl
->secid
);
980 EXPORT_SYMBOL(security_sk_classify_flow
);
982 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
984 security_ops
->req_classify_flow(req
, fl
);
986 EXPORT_SYMBOL(security_req_classify_flow
);
988 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
990 security_ops
->sock_graft(sk
, parent
);
992 EXPORT_SYMBOL(security_sock_graft
);
994 int security_inet_conn_request(struct sock
*sk
,
995 struct sk_buff
*skb
, struct request_sock
*req
)
997 return security_ops
->inet_conn_request(sk
, skb
, req
);
999 EXPORT_SYMBOL(security_inet_conn_request
);
1001 void security_inet_csk_clone(struct sock
*newsk
,
1002 const struct request_sock
*req
)
1004 security_ops
->inet_csk_clone(newsk
, req
);
1007 void security_inet_conn_established(struct sock
*sk
,
1008 struct sk_buff
*skb
)
1010 security_ops
->inet_conn_established(sk
, skb
);
1013 #endif /* CONFIG_SECURITY_NETWORK */
1015 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1017 int security_xfrm_policy_alloc(struct xfrm_policy
*xp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1019 return security_ops
->xfrm_policy_alloc_security(xp
, sec_ctx
);
1021 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1023 int security_xfrm_policy_clone(struct xfrm_policy
*old
, struct xfrm_policy
*new)
1025 return security_ops
->xfrm_policy_clone_security(old
, new);
1028 void security_xfrm_policy_free(struct xfrm_policy
*xp
)
1030 security_ops
->xfrm_policy_free_security(xp
);
1032 EXPORT_SYMBOL(security_xfrm_policy_free
);
1034 int security_xfrm_policy_delete(struct xfrm_policy
*xp
)
1036 return security_ops
->xfrm_policy_delete_security(xp
);
1039 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1041 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1043 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1045 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1046 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1051 * We want the context to be taken from secid which is usually
1054 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1057 int security_xfrm_state_delete(struct xfrm_state
*x
)
1059 return security_ops
->xfrm_state_delete_security(x
);
1061 EXPORT_SYMBOL(security_xfrm_state_delete
);
1063 void security_xfrm_state_free(struct xfrm_state
*x
)
1065 security_ops
->xfrm_state_free_security(x
);
1068 int security_xfrm_policy_lookup(struct xfrm_policy
*xp
, u32 fl_secid
, u8 dir
)
1070 return security_ops
->xfrm_policy_lookup(xp
, fl_secid
, dir
);
1073 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1074 struct xfrm_policy
*xp
, struct flowi
*fl
)
1076 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1079 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1081 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1084 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1086 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1090 EXPORT_SYMBOL(security_skb_classify_flow
);
1092 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1096 int security_key_alloc(struct key
*key
, struct task_struct
*tsk
, unsigned long flags
)
1098 return security_ops
->key_alloc(key
, tsk
, flags
);
1101 void security_key_free(struct key
*key
)
1103 security_ops
->key_free(key
);
1106 int security_key_permission(key_ref_t key_ref
,
1107 struct task_struct
*context
, key_perm_t perm
)
1109 return security_ops
->key_permission(key_ref
, context
, perm
);
1112 #endif /* CONFIG_KEYS */