1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2008 IBM Corporation
4 * Author: Mimi Zohar <zohar@us.ibm.com>
10 #include <linux/kernel_read_file.h>
12 #include <linux/security.h>
13 #include <linux/kexec.h>
17 extern int ima_bprm_check(struct linux_binprm *bprm);
18 extern int ima_file_check(struct file *file, int mask);
19 extern void ima_post_create_tmpfile(struct inode *inode);
20 extern void ima_file_free(struct file *file);
21 extern int ima_file_mmap(struct file *file, unsigned long prot);
22 extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot);
23 extern int ima_load_data(enum kernel_load_data_id id, bool contents);
24 extern int ima_post_load_data(char *buf, loff_t size,
25 enum kernel_load_data_id id, char *description);
26 extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
27 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
28 enum kernel_read_file_id id);
29 extern void ima_post_path_mknod(struct dentry *dentry);
30 extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
31 extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
33 #ifdef CONFIG_IMA_KEXEC
34 extern void ima_add_kexec_buffer(struct kimage *image);
37 #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
38 extern bool arch_ima_get_secureboot(void);
39 extern const char * const *arch_get_ima_policy(void);
41 static inline bool arch_ima_get_secureboot(void)
46 static inline const char * const *arch_get_ima_policy(void)
53 static inline int ima_bprm_check(struct linux_binprm *bprm)
58 static inline int ima_file_check(struct file *file, int mask)
63 static inline void ima_post_create_tmpfile(struct inode *inode)
67 static inline void ima_file_free(struct file *file)
72 static inline int ima_file_mmap(struct file *file, unsigned long prot)
77 static inline int ima_file_mprotect(struct vm_area_struct *vma,
83 static inline int ima_load_data(enum kernel_load_data_id id, bool contents)
88 static inline int ima_post_load_data(char *buf, loff_t size,
89 enum kernel_load_data_id id,
95 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
100 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
101 enum kernel_read_file_id id)
106 static inline void ima_post_path_mknod(struct dentry *dentry)
111 static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
116 static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
117 #endif /* CONFIG_IMA */
119 #ifndef CONFIG_IMA_KEXEC
122 static inline void ima_add_kexec_buffer(struct kimage *image)
126 #ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
127 extern void ima_post_key_create_or_update(struct key *keyring,
129 const void *payload, size_t plen,
130 unsigned long flags, bool create);
132 static inline void ima_post_key_create_or_update(struct key *keyring,
138 #endif /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
140 #ifdef CONFIG_IMA_APPRAISE
141 extern bool is_ima_appraise_enabled(void);
142 extern void ima_inode_post_setattr(struct dentry *dentry);
143 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
144 const void *xattr_value, size_t xattr_value_len);
145 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
147 static inline bool is_ima_appraise_enabled(void)
152 static inline void ima_inode_post_setattr(struct dentry *dentry)
157 static inline int ima_inode_setxattr(struct dentry *dentry,
158 const char *xattr_name,
159 const void *xattr_value,
160 size_t xattr_value_len)
165 static inline int ima_inode_removexattr(struct dentry *dentry,
166 const char *xattr_name)
170 #endif /* CONFIG_IMA_APPRAISE */
172 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
173 extern bool ima_appraise_signature(enum kernel_read_file_id func);
175 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
179 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
180 #endif /* _LINUX_IMA_H */