LCOV - code coverage report
Current view: top level - include/linux - evm.h (source / functions) Hit Total Coverage
Test: landlock.info Lines: 3 5 60.0 %
Date: 2021-04-22 12:43:58 Functions: 0 0 -

          Line data    Source code
       1             : /* SPDX-License-Identifier: GPL-2.0 */
       2             : /*
       3             :  * evm.h
       4             :  *
       5             :  * Copyright (c) 2009 IBM Corporation
       6             :  * Author: Mimi Zohar <zohar@us.ibm.com>
       7             :  */
       8             : 
       9             : #ifndef _LINUX_EVM_H
      10             : #define _LINUX_EVM_H
      11             : 
      12             : #include <linux/integrity.h>
      13             : #include <linux/xattr.h>
      14             : 
      15             : struct integrity_iint_cache;
      16             : 
      17             : #ifdef CONFIG_EVM
      18             : extern int evm_set_key(void *key, size_t keylen);
      19             : extern enum integrity_status evm_verifyxattr(struct dentry *dentry,
      20             :                                              const char *xattr_name,
      21             :                                              void *xattr_value,
      22             :                                              size_t xattr_value_len,
      23             :                                              struct integrity_iint_cache *iint);
      24             : extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr);
      25             : extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid);
      26             : extern int evm_inode_setxattr(struct dentry *dentry, const char *name,
      27             :                               const void *value, size_t size);
      28             : extern void evm_inode_post_setxattr(struct dentry *dentry,
      29             :                                     const char *xattr_name,
      30             :                                     const void *xattr_value,
      31             :                                     size_t xattr_value_len);
      32             : extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name);
      33             : extern void evm_inode_post_removexattr(struct dentry *dentry,
      34             :                                        const char *xattr_name);
      35             : extern int evm_inode_init_security(struct inode *inode,
      36             :                                    const struct xattr *xattr_array,
      37             :                                    struct xattr *evm);
      38             : #ifdef CONFIG_FS_POSIX_ACL
      39             : extern int posix_xattr_acl(const char *xattrname);
      40             : #else
      41             : static inline int posix_xattr_acl(const char *xattrname)
      42             : {
      43             :         return 0;
      44             : }
      45             : #endif
      46             : #else
      47             : 
      48             : static inline int evm_set_key(void *key, size_t keylen)
      49             : {
      50             :         return -EOPNOTSUPP;
      51             : }
      52             : 
      53             : #ifdef CONFIG_INTEGRITY
      54             : static inline enum integrity_status evm_verifyxattr(struct dentry *dentry,
      55             :                                                     const char *xattr_name,
      56             :                                                     void *xattr_value,
      57             :                                                     size_t xattr_value_len,
      58             :                                         struct integrity_iint_cache *iint)
      59             : {
      60             :         return INTEGRITY_UNKNOWN;
      61             : }
      62             : #endif
      63             : 
      64             : static inline int evm_inode_setattr(struct dentry *dentry, struct iattr *attr)
      65             : {
      66             :         return 0;
      67             : }
      68             : 
      69        1100 : static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid)
      70             : {
      71             :         return;
      72             : }
      73             : 
      74             : static inline int evm_inode_setxattr(struct dentry *dentry, const char *name,
      75             :                                      const void *value, size_t size)
      76             : {
      77             :         return 0;
      78             : }
      79             : 
      80             : static inline void evm_inode_post_setxattr(struct dentry *dentry,
      81             :                                            const char *xattr_name,
      82             :                                            const void *xattr_value,
      83             :                                            size_t xattr_value_len)
      84             : {
      85             :         return;
      86             : }
      87             : 
      88             : static inline int evm_inode_removexattr(struct dentry *dentry,
      89             :                                         const char *xattr_name)
      90             : {
      91             :         return 0;
      92             : }
      93             : 
      94           2 : static inline void evm_inode_post_removexattr(struct dentry *dentry,
      95             :                                               const char *xattr_name)
      96             : {
      97           2 :         return;
      98             : }
      99             : 
     100           0 : static inline int evm_inode_init_security(struct inode *inode,
     101             :                                           const struct xattr *xattr_array,
     102             :                                           struct xattr *evm)
     103             : {
     104           0 :         return 0;
     105             : }
     106             : 
     107             : #endif /* CONFIG_EVM */
     108             : #endif /* LINUX_EVM_H */

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