permission.c File Reference

#include <linux/module.h>
#include <linux/security.h>
#include "internal.h"

Go to the source code of this file.

Functions
int	key_task_permission (const key_ref_t key_ref, const struct cred *cred, key_perm_t perm)
	EXPORT_SYMBOL (key_task_permission)
int	key_validate (const struct key *key)
	EXPORT_SYMBOL (key_validate)

Function Documentation

EXPORT_SYMBOL

(

key_task_permission

)

EXPORT_SYMBOL

(

key_validate

)

int key_task_permission	(	const key_ref_t	key_ref,
		const struct cred *	cred,
		key_perm_t	perm
	)

key_task_permission - Check a key can be used : The key to check. : The credentials to use. : The permissions to check for.

Check to see whether permission is granted to use a key in the desired way, but permit the security modules to override.

The caller must hold either a ref on cred or must hold the RCU readlock.

Returns 0 if successful, -EACCES if access is denied based on the permissions bits or the LSM check.

Definition at line 30 of file permission.c.

int key_validate

(

const struct key *

key

)

key_validate - Validate a key. : The key to be validated.

Check that a key is valid, returning 0 if the key is okay, -ENOKEY if the key is invalidated, -EKEYREVOKED if the key's type has been removed or if the key has been revoked or -EKEYEXPIRED if the key has expired.

Definition at line 89 of file permission.c.