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.
76 * If there is already a security module registered with the kernel,
77 * an error will be returned. Otherwise 0 is returned on success.
79 int register_security(struct security_operations
*ops
)
82 printk(KERN_DEBUG
"%s could not verify "
83 "security_operations structure.\n", __FUNCTION__
);
87 if (security_ops
!= &dummy_security_ops
)
96 * mod_reg_security - allows security modules to be "stacked"
97 * @name: a pointer to a string with the name of the security_options to be registered
98 * @ops: a pointer to the struct security_options that is to be registered
100 * This function allows security modules to be stacked if the currently loaded
101 * security module allows this to happen. It passes the @name and @ops to the
102 * register_security function of the currently loaded security module.
104 * The return value depends on the currently loaded security module, with 0 as
107 int mod_reg_security(const char *name
, struct security_operations
*ops
)
110 printk(KERN_INFO
"%s could not verify "
111 "security operations.\n", __FUNCTION__
);
115 if (ops
== security_ops
) {
116 printk(KERN_INFO
"%s security operations "
117 "already registered.\n", __FUNCTION__
);
121 return security_ops
->register_security(name
, ops
);
124 /* Security operations */
126 int security_ptrace(struct task_struct
*parent
, struct task_struct
*child
)
128 return security_ops
->ptrace(parent
, child
);
131 int security_capget(struct task_struct
*target
,
132 kernel_cap_t
*effective
,
133 kernel_cap_t
*inheritable
,
134 kernel_cap_t
*permitted
)
136 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
139 int security_capset_check(struct task_struct
*target
,
140 kernel_cap_t
*effective
,
141 kernel_cap_t
*inheritable
,
142 kernel_cap_t
*permitted
)
144 return security_ops
->capset_check(target
, effective
, inheritable
, permitted
);
147 void security_capset_set(struct task_struct
*target
,
148 kernel_cap_t
*effective
,
149 kernel_cap_t
*inheritable
,
150 kernel_cap_t
*permitted
)
152 security_ops
->capset_set(target
, effective
, inheritable
, permitted
);
155 int security_capable(struct task_struct
*tsk
, int cap
)
157 return security_ops
->capable(tsk
, cap
);
160 int security_acct(struct file
*file
)
162 return security_ops
->acct(file
);
165 int security_sysctl(struct ctl_table
*table
, int op
)
167 return security_ops
->sysctl(table
, op
);
170 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
172 return security_ops
->quotactl(cmds
, type
, id
, sb
);
175 int security_quota_on(struct dentry
*dentry
)
177 return security_ops
->quota_on(dentry
);
180 int security_syslog(int type
)
182 return security_ops
->syslog(type
);
185 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
187 return security_ops
->settime(ts
, tz
);
190 int security_vm_enough_memory(long pages
)
192 return security_ops
->vm_enough_memory(current
->mm
, pages
);
195 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
197 return security_ops
->vm_enough_memory(mm
, pages
);
200 int security_bprm_alloc(struct linux_binprm
*bprm
)
202 return security_ops
->bprm_alloc_security(bprm
);
205 void security_bprm_free(struct linux_binprm
*bprm
)
207 security_ops
->bprm_free_security(bprm
);
210 void security_bprm_apply_creds(struct linux_binprm
*bprm
, int unsafe
)
212 security_ops
->bprm_apply_creds(bprm
, unsafe
);
215 void security_bprm_post_apply_creds(struct linux_binprm
*bprm
)
217 security_ops
->bprm_post_apply_creds(bprm
);
220 int security_bprm_set(struct linux_binprm
*bprm
)
222 return security_ops
->bprm_set_security(bprm
);
225 int security_bprm_check(struct linux_binprm
*bprm
)
227 return security_ops
->bprm_check_security(bprm
);
230 int security_bprm_secureexec(struct linux_binprm
*bprm
)
232 return security_ops
->bprm_secureexec(bprm
);
235 int security_sb_alloc(struct super_block
*sb
)
237 return security_ops
->sb_alloc_security(sb
);
240 void security_sb_free(struct super_block
*sb
)
242 security_ops
->sb_free_security(sb
);
245 int security_sb_copy_data(struct file_system_type
*type
, void *orig
, void *copy
)
247 return security_ops
->sb_copy_data(type
, orig
, copy
);
250 int security_sb_kern_mount(struct super_block
*sb
, void *data
)
252 return security_ops
->sb_kern_mount(sb
, data
);
255 int security_sb_statfs(struct dentry
*dentry
)
257 return security_ops
->sb_statfs(dentry
);
260 int security_sb_mount(char *dev_name
, struct nameidata
*nd
,
261 char *type
, unsigned long flags
, void *data
)
263 return security_ops
->sb_mount(dev_name
, nd
, type
, flags
, data
);
266 int security_sb_check_sb(struct vfsmount
*mnt
, struct nameidata
*nd
)
268 return security_ops
->sb_check_sb(mnt
, nd
);
271 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
273 return security_ops
->sb_umount(mnt
, flags
);
276 void security_sb_umount_close(struct vfsmount
*mnt
)
278 security_ops
->sb_umount_close(mnt
);
281 void security_sb_umount_busy(struct vfsmount
*mnt
)
283 security_ops
->sb_umount_busy(mnt
);
286 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
288 security_ops
->sb_post_remount(mnt
, flags
, data
);
291 void security_sb_post_addmount(struct vfsmount
*mnt
, struct nameidata
*mountpoint_nd
)
293 security_ops
->sb_post_addmount(mnt
, mountpoint_nd
);
296 int security_sb_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
298 return security_ops
->sb_pivotroot(old_nd
, new_nd
);
301 void security_sb_post_pivotroot(struct nameidata
*old_nd
, struct nameidata
*new_nd
)
303 security_ops
->sb_post_pivotroot(old_nd
, new_nd
);
306 int security_sb_get_mnt_opts(const struct super_block
*sb
,
307 char ***mount_options
,
308 int **flags
, int *num_opts
)
310 return security_ops
->sb_get_mnt_opts(sb
, mount_options
, flags
, num_opts
);
313 int security_sb_set_mnt_opts(struct super_block
*sb
,
314 char **mount_options
,
315 int *flags
, int num_opts
)
317 return security_ops
->sb_set_mnt_opts(sb
, mount_options
, flags
, num_opts
);
320 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
321 struct super_block
*newsb
)
323 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
326 int security_inode_alloc(struct inode
*inode
)
328 inode
->i_security
= NULL
;
329 return security_ops
->inode_alloc_security(inode
);
332 void security_inode_free(struct inode
*inode
)
334 security_ops
->inode_free_security(inode
);
337 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
338 char **name
, void **value
, size_t *len
)
340 if (unlikely(IS_PRIVATE(inode
)))
342 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
344 EXPORT_SYMBOL(security_inode_init_security
);
346 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
348 if (unlikely(IS_PRIVATE(dir
)))
350 return security_ops
->inode_create(dir
, dentry
, mode
);
353 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
354 struct dentry
*new_dentry
)
356 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
358 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
361 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
363 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
365 return security_ops
->inode_unlink(dir
, dentry
);
368 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
369 const char *old_name
)
371 if (unlikely(IS_PRIVATE(dir
)))
373 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
376 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
378 if (unlikely(IS_PRIVATE(dir
)))
380 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
383 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
385 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
387 return security_ops
->inode_rmdir(dir
, dentry
);
390 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
392 if (unlikely(IS_PRIVATE(dir
)))
394 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
397 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
398 struct inode
*new_dir
, struct dentry
*new_dentry
)
400 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
401 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
403 return security_ops
->inode_rename(old_dir
, old_dentry
,
404 new_dir
, new_dentry
);
407 int security_inode_readlink(struct dentry
*dentry
)
409 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
411 return security_ops
->inode_readlink(dentry
);
414 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
416 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
418 return security_ops
->inode_follow_link(dentry
, nd
);
421 int security_inode_permission(struct inode
*inode
, int mask
, struct nameidata
*nd
)
423 if (unlikely(IS_PRIVATE(inode
)))
425 return security_ops
->inode_permission(inode
, mask
, nd
);
428 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
430 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
432 return security_ops
->inode_setattr(dentry
, attr
);
435 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
437 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
439 return security_ops
->inode_getattr(mnt
, dentry
);
442 void security_inode_delete(struct inode
*inode
)
444 if (unlikely(IS_PRIVATE(inode
)))
446 security_ops
->inode_delete(inode
);
449 int security_inode_setxattr(struct dentry
*dentry
, char *name
,
450 void *value
, size_t size
, int flags
)
452 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
454 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
457 void security_inode_post_setxattr(struct dentry
*dentry
, char *name
,
458 void *value
, size_t size
, int flags
)
460 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
462 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
465 int security_inode_getxattr(struct dentry
*dentry
, char *name
)
467 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
469 return security_ops
->inode_getxattr(dentry
, name
);
472 int security_inode_listxattr(struct dentry
*dentry
)
474 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
476 return security_ops
->inode_listxattr(dentry
);
479 int security_inode_removexattr(struct dentry
*dentry
, char *name
)
481 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
483 return security_ops
->inode_removexattr(dentry
, name
);
486 int security_inode_need_killpriv(struct dentry
*dentry
)
488 return security_ops
->inode_need_killpriv(dentry
);
491 int security_inode_killpriv(struct dentry
*dentry
)
493 return security_ops
->inode_killpriv(dentry
);
496 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void *buffer
, size_t size
, int err
)
498 if (unlikely(IS_PRIVATE(inode
)))
500 return security_ops
->inode_getsecurity(inode
, name
, buffer
, size
, err
);
503 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
505 if (unlikely(IS_PRIVATE(inode
)))
507 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
510 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
512 if (unlikely(IS_PRIVATE(inode
)))
514 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
517 int security_file_permission(struct file
*file
, int mask
)
519 return security_ops
->file_permission(file
, mask
);
522 int security_file_alloc(struct file
*file
)
524 return security_ops
->file_alloc_security(file
);
527 void security_file_free(struct file
*file
)
529 security_ops
->file_free_security(file
);
532 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
534 return security_ops
->file_ioctl(file
, cmd
, arg
);
537 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
538 unsigned long prot
, unsigned long flags
,
539 unsigned long addr
, unsigned long addr_only
)
541 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
544 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
547 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
550 int security_file_lock(struct file
*file
, unsigned int cmd
)
552 return security_ops
->file_lock(file
, cmd
);
555 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
557 return security_ops
->file_fcntl(file
, cmd
, arg
);
560 int security_file_set_fowner(struct file
*file
)
562 return security_ops
->file_set_fowner(file
);
565 int security_file_send_sigiotask(struct task_struct
*tsk
,
566 struct fown_struct
*fown
, int sig
)
568 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
571 int security_file_receive(struct file
*file
)
573 return security_ops
->file_receive(file
);
576 int security_dentry_open(struct file
*file
)
578 return security_ops
->dentry_open(file
);
581 int security_task_create(unsigned long clone_flags
)
583 return security_ops
->task_create(clone_flags
);
586 int security_task_alloc(struct task_struct
*p
)
588 return security_ops
->task_alloc_security(p
);
591 void security_task_free(struct task_struct
*p
)
593 security_ops
->task_free_security(p
);
596 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
598 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
601 int security_task_post_setuid(uid_t old_ruid
, uid_t old_euid
,
602 uid_t old_suid
, int flags
)
604 return security_ops
->task_post_setuid(old_ruid
, old_euid
, old_suid
, flags
);
607 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
609 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
612 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
614 return security_ops
->task_setpgid(p
, pgid
);
617 int security_task_getpgid(struct task_struct
*p
)
619 return security_ops
->task_getpgid(p
);
622 int security_task_getsid(struct task_struct
*p
)
624 return security_ops
->task_getsid(p
);
627 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
629 security_ops
->task_getsecid(p
, secid
);
631 EXPORT_SYMBOL(security_task_getsecid
);
633 int security_task_setgroups(struct group_info
*group_info
)
635 return security_ops
->task_setgroups(group_info
);
638 int security_task_setnice(struct task_struct
*p
, int nice
)
640 return security_ops
->task_setnice(p
, nice
);
643 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
645 return security_ops
->task_setioprio(p
, ioprio
);
648 int security_task_getioprio(struct task_struct
*p
)
650 return security_ops
->task_getioprio(p
);
653 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
655 return security_ops
->task_setrlimit(resource
, new_rlim
);
658 int security_task_setscheduler(struct task_struct
*p
,
659 int policy
, struct sched_param
*lp
)
661 return security_ops
->task_setscheduler(p
, policy
, lp
);
664 int security_task_getscheduler(struct task_struct
*p
)
666 return security_ops
->task_getscheduler(p
);
669 int security_task_movememory(struct task_struct
*p
)
671 return security_ops
->task_movememory(p
);
674 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
677 return security_ops
->task_kill(p
, info
, sig
, secid
);
680 int security_task_wait(struct task_struct
*p
)
682 return security_ops
->task_wait(p
);
685 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
686 unsigned long arg4
, unsigned long arg5
)
688 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
691 void security_task_reparent_to_init(struct task_struct
*p
)
693 security_ops
->task_reparent_to_init(p
);
696 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
698 security_ops
->task_to_inode(p
, inode
);
701 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
703 return security_ops
->ipc_permission(ipcp
, flag
);
706 int security_msg_msg_alloc(struct msg_msg
*msg
)
708 return security_ops
->msg_msg_alloc_security(msg
);
711 void security_msg_msg_free(struct msg_msg
*msg
)
713 security_ops
->msg_msg_free_security(msg
);
716 int security_msg_queue_alloc(struct msg_queue
*msq
)
718 return security_ops
->msg_queue_alloc_security(msq
);
721 void security_msg_queue_free(struct msg_queue
*msq
)
723 security_ops
->msg_queue_free_security(msq
);
726 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
728 return security_ops
->msg_queue_associate(msq
, msqflg
);
731 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
733 return security_ops
->msg_queue_msgctl(msq
, cmd
);
736 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
737 struct msg_msg
*msg
, int msqflg
)
739 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
742 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
743 struct task_struct
*target
, long type
, int mode
)
745 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
748 int security_shm_alloc(struct shmid_kernel
*shp
)
750 return security_ops
->shm_alloc_security(shp
);
753 void security_shm_free(struct shmid_kernel
*shp
)
755 security_ops
->shm_free_security(shp
);
758 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
760 return security_ops
->shm_associate(shp
, shmflg
);
763 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
765 return security_ops
->shm_shmctl(shp
, cmd
);
768 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
770 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
773 int security_sem_alloc(struct sem_array
*sma
)
775 return security_ops
->sem_alloc_security(sma
);
778 void security_sem_free(struct sem_array
*sma
)
780 security_ops
->sem_free_security(sma
);
783 int security_sem_associate(struct sem_array
*sma
, int semflg
)
785 return security_ops
->sem_associate(sma
, semflg
);
788 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
790 return security_ops
->sem_semctl(sma
, cmd
);
793 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
794 unsigned nsops
, int alter
)
796 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
799 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
801 if (unlikely(inode
&& IS_PRIVATE(inode
)))
803 security_ops
->d_instantiate(dentry
, inode
);
805 EXPORT_SYMBOL(security_d_instantiate
);
807 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
809 return security_ops
->getprocattr(p
, name
, value
);
812 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
814 return security_ops
->setprocattr(p
, name
, value
, size
);
817 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
819 return security_ops
->netlink_send(sk
, skb
);
822 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
824 return security_ops
->netlink_recv(skb
, cap
);
826 EXPORT_SYMBOL(security_netlink_recv
);
828 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
830 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
832 EXPORT_SYMBOL(security_secid_to_secctx
);
834 int security_secctx_to_secid(char *secdata
, u32 seclen
, u32
*secid
)
836 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
838 EXPORT_SYMBOL(security_secctx_to_secid
);
840 void security_release_secctx(char *secdata
, u32 seclen
)
842 return security_ops
->release_secctx(secdata
, seclen
);
844 EXPORT_SYMBOL(security_release_secctx
);
846 #ifdef CONFIG_SECURITY_NETWORK
848 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
851 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
853 EXPORT_SYMBOL(security_unix_stream_connect
);
855 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
857 return security_ops
->unix_may_send(sock
, other
);
859 EXPORT_SYMBOL(security_unix_may_send
);
861 int security_socket_create(int family
, int type
, int protocol
, int kern
)
863 return security_ops
->socket_create(family
, type
, protocol
, kern
);
866 int security_socket_post_create(struct socket
*sock
, int family
,
867 int type
, int protocol
, int kern
)
869 return security_ops
->socket_post_create(sock
, family
, type
,
873 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
875 return security_ops
->socket_bind(sock
, address
, addrlen
);
878 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
880 return security_ops
->socket_connect(sock
, address
, addrlen
);
883 int security_socket_listen(struct socket
*sock
, int backlog
)
885 return security_ops
->socket_listen(sock
, backlog
);
888 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
890 return security_ops
->socket_accept(sock
, newsock
);
893 void security_socket_post_accept(struct socket
*sock
, struct socket
*newsock
)
895 security_ops
->socket_post_accept(sock
, newsock
);
898 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
900 return security_ops
->socket_sendmsg(sock
, msg
, size
);
903 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
906 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
909 int security_socket_getsockname(struct socket
*sock
)
911 return security_ops
->socket_getsockname(sock
);
914 int security_socket_getpeername(struct socket
*sock
)
916 return security_ops
->socket_getpeername(sock
);
919 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
921 return security_ops
->socket_getsockopt(sock
, level
, optname
);
924 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
926 return security_ops
->socket_setsockopt(sock
, level
, optname
);
929 int security_socket_shutdown(struct socket
*sock
, int how
)
931 return security_ops
->socket_shutdown(sock
, how
);
934 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
936 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
938 EXPORT_SYMBOL(security_sock_rcv_skb
);
940 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
941 int __user
*optlen
, unsigned len
)
943 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
946 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
948 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
950 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
952 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
954 return security_ops
->sk_alloc_security(sk
, family
, priority
);
957 void security_sk_free(struct sock
*sk
)
959 return security_ops
->sk_free_security(sk
);
962 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
964 return security_ops
->sk_clone_security(sk
, newsk
);
967 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
969 security_ops
->sk_getsecid(sk
, &fl
->secid
);
971 EXPORT_SYMBOL(security_sk_classify_flow
);
973 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
975 security_ops
->req_classify_flow(req
, fl
);
977 EXPORT_SYMBOL(security_req_classify_flow
);
979 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
981 security_ops
->sock_graft(sk
, parent
);
983 EXPORT_SYMBOL(security_sock_graft
);
985 int security_inet_conn_request(struct sock
*sk
,
986 struct sk_buff
*skb
, struct request_sock
*req
)
988 return security_ops
->inet_conn_request(sk
, skb
, req
);
990 EXPORT_SYMBOL(security_inet_conn_request
);
992 void security_inet_csk_clone(struct sock
*newsk
,
993 const struct request_sock
*req
)
995 security_ops
->inet_csk_clone(newsk
, req
);
998 void security_inet_conn_established(struct sock
*sk
,
1001 security_ops
->inet_conn_established(sk
, skb
);
1004 #endif /* CONFIG_SECURITY_NETWORK */
1006 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1008 int security_xfrm_policy_alloc(struct xfrm_policy
*xp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1010 return security_ops
->xfrm_policy_alloc_security(xp
, sec_ctx
);
1012 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1014 int security_xfrm_policy_clone(struct xfrm_policy
*old
, struct xfrm_policy
*new)
1016 return security_ops
->xfrm_policy_clone_security(old
, new);
1019 void security_xfrm_policy_free(struct xfrm_policy
*xp
)
1021 security_ops
->xfrm_policy_free_security(xp
);
1023 EXPORT_SYMBOL(security_xfrm_policy_free
);
1025 int security_xfrm_policy_delete(struct xfrm_policy
*xp
)
1027 return security_ops
->xfrm_policy_delete_security(xp
);
1030 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1032 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1034 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1036 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1037 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1042 * We want the context to be taken from secid which is usually
1045 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1048 int security_xfrm_state_delete(struct xfrm_state
*x
)
1050 return security_ops
->xfrm_state_delete_security(x
);
1052 EXPORT_SYMBOL(security_xfrm_state_delete
);
1054 void security_xfrm_state_free(struct xfrm_state
*x
)
1056 security_ops
->xfrm_state_free_security(x
);
1059 int security_xfrm_policy_lookup(struct xfrm_policy
*xp
, u32 fl_secid
, u8 dir
)
1061 return security_ops
->xfrm_policy_lookup(xp
, fl_secid
, dir
);
1064 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1065 struct xfrm_policy
*xp
, struct flowi
*fl
)
1067 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1070 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1072 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1075 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1077 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1081 EXPORT_SYMBOL(security_skb_classify_flow
);
1083 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1087 int security_key_alloc(struct key
*key
, struct task_struct
*tsk
, unsigned long flags
)
1089 return security_ops
->key_alloc(key
, tsk
, flags
);
1092 void security_key_free(struct key
*key
)
1094 security_ops
->key_free(key
);
1097 int security_key_permission(key_ref_t key_ref
,
1098 struct task_struct
*context
, key_perm_t perm
)
1100 return security_ops
->key_permission(key_ref
, context
, perm
);
1103 #endif /* CONFIG_KEYS */