1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2008 IBM Corporation
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,
28 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
29 enum kernel_read_file_id id);
30 extern void ima_post_path_mknod(struct dentry *dentry);
31 extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
32 extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
34 #ifdef CONFIG_IMA_KEXEC
35 extern void ima_add_kexec_buffer(struct kimage *image);
38 #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
39 extern bool arch_ima_get_secureboot(void);
40 extern const char * const *arch_get_ima_policy(void);
42 static inline bool arch_ima_get_secureboot(void)
47 static inline const char * const *arch_get_ima_policy(void)
54 static inline int ima_bprm_check(struct linux_binprm *bprm)
59 static inline int ima_file_check(struct file *file, int mask)
64 static inline void ima_post_create_tmpfile(struct inode *inode)
68 static inline void ima_file_free(struct file *file)
73 static inline int ima_file_mmap(struct file *file, unsigned long prot)
78 static inline int ima_file_mprotect(struct vm_area_struct *vma,
84 static inline int ima_load_data(enum kernel_load_data_id id, bool contents)
89 static inline int ima_post_load_data(char *buf, loff_t size,
90 enum kernel_load_data_id id,
96 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id,
102 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
103 enum kernel_read_file_id id)
108 static inline void ima_post_path_mknod(struct dentry *dentry)
113 static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
118 static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
119 #endif /* CONFIG_IMA */
121 #ifndef CONFIG_IMA_KEXEC
124 static inline void ima_add_kexec_buffer(struct kimage *image)
128 #ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
129 extern void ima_post_key_create_or_update(struct key *keyring,
131 const void *payload, size_t plen,
132 unsigned long flags, bool create);
134 static inline void ima_post_key_create_or_update(struct key *keyring,
140 #endif /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
142 #ifdef CONFIG_IMA_APPRAISE
143 extern bool is_ima_appraise_enabled(void);
144 extern void ima_inode_post_setattr(struct dentry *dentry);
145 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
146 const void *xattr_value, size_t xattr_value_len);
147 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
149 static inline bool is_ima_appraise_enabled(void)
154 static inline void ima_inode_post_setattr(struct dentry *dentry)
159 static inline int ima_inode_setxattr(struct dentry *dentry,
160 const char *xattr_name,
161 const void *xattr_value,
162 size_t xattr_value_len)
167 static inline int ima_inode_removexattr(struct dentry *dentry,
168 const char *xattr_name)
172 #endif /* CONFIG_IMA_APPRAISE */
174 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
175 extern bool ima_appraise_signature(enum kernel_read_file_id func);
177 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
181 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
182 #endif /* _LINUX_IMA_H */