| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2008 IBM Corporation |
| 3 | * Author: Mimi Zohar <zohar@us.ibm.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, version 2 of the License. |
| 8 | */ |
| 9 | |
| 10 | #ifndef _LINUX_IMA_H |
| 11 | #define _LINUX_IMA_H |
| 12 | |
| 13 | #include <linux/fs.h> |
| 14 | #include <linux/security.h> |
| 15 | #include <linux/kexec.h> |
| 16 | struct linux_binprm; |
| 17 | |
| 18 | #ifdef CONFIG_IMA |
| 19 | extern int ima_bprm_check(struct linux_binprm *bprm); |
| 20 | extern int ima_file_check(struct file *file, int mask); |
| 21 | extern void ima_file_free(struct file *file); |
| 22 | extern int ima_file_mmap(struct file *file, unsigned long prot); |
| 23 | extern int ima_load_data(enum kernel_load_data_id id); |
| 24 | extern int ima_read_file(struct file *file, enum kernel_read_file_id id); |
| 25 | extern int ima_post_read_file(struct file *file, void *buf, loff_t size, |
| 26 | enum kernel_read_file_id id); |
| 27 | extern void ima_post_path_mknod(struct dentry *dentry); |
| 28 | |
| 29 | #ifdef CONFIG_IMA_KEXEC |
| 30 | extern void ima_add_kexec_buffer(struct kimage *image); |
| 31 | #endif |
| 32 | |
| 33 | #else |
| 34 | static inline int ima_bprm_check(struct linux_binprm *bprm) |
| 35 | { |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | static inline int ima_file_check(struct file *file, int mask) |
| 40 | { |
| 41 | return 0; |
| 42 | } |
| 43 | |
| 44 | static inline void ima_file_free(struct file *file) |
| 45 | { |
| 46 | return; |
| 47 | } |
| 48 | |
| 49 | static inline int ima_file_mmap(struct file *file, unsigned long prot) |
| 50 | { |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | static inline int ima_load_data(enum kernel_load_data_id id) |
| 55 | { |
| 56 | return 0; |
| 57 | } |
| 58 | |
| 59 | static inline int ima_read_file(struct file *file, enum kernel_read_file_id id) |
| 60 | { |
| 61 | return 0; |
| 62 | } |
| 63 | |
| 64 | static inline int ima_post_read_file(struct file *file, void *buf, loff_t size, |
| 65 | enum kernel_read_file_id id) |
| 66 | { |
| 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | static inline void ima_post_path_mknod(struct dentry *dentry) |
| 71 | { |
| 72 | return; |
| 73 | } |
| 74 | |
| 75 | #endif /* CONFIG_IMA */ |
| 76 | |
| 77 | #ifndef CONFIG_IMA_KEXEC |
| 78 | struct kimage; |
| 79 | |
| 80 | static inline void ima_add_kexec_buffer(struct kimage *image) |
| 81 | {} |
| 82 | #endif |
| 83 | |
| 84 | #ifdef CONFIG_IMA_APPRAISE |
| 85 | extern bool is_ima_appraise_enabled(void); |
| 86 | extern void ima_inode_post_setattr(struct dentry *dentry); |
| 87 | extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name, |
| 88 | const void *xattr_value, size_t xattr_value_len); |
| 89 | extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name); |
| 90 | #else |
| 91 | static inline bool is_ima_appraise_enabled(void) |
| 92 | { |
| 93 | return 0; |
| 94 | } |
| 95 | |
| 96 | static inline void ima_inode_post_setattr(struct dentry *dentry) |
| 97 | { |
| 98 | return; |
| 99 | } |
| 100 | |
| 101 | static inline int ima_inode_setxattr(struct dentry *dentry, |
| 102 | const char *xattr_name, |
| 103 | const void *xattr_value, |
| 104 | size_t xattr_value_len) |
| 105 | { |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | static inline int ima_inode_removexattr(struct dentry *dentry, |
| 110 | const char *xattr_name) |
| 111 | { |
| 112 | return 0; |
| 113 | } |
| 114 | #endif /* CONFIG_IMA_APPRAISE */ |
| 115 | #endif /* _LINUX_IMA_H */ |