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