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 reqprot,
22 unsigned long prot, unsigned long flags);
23 extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot);
24 extern int ima_load_data(enum kernel_load_data_id id, bool contents);
25 extern int ima_post_load_data(char *buf, loff_t size,
26 enum kernel_load_data_id id, char *description);
27 extern int ima_read_file(struct file *file, enum kernel_read_file_id id,
29 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
30 enum kernel_read_file_id id);
31 extern void ima_post_path_mknod(struct dentry *dentry);
32 extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
33 extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
35 #ifdef CONFIG_IMA_KEXEC
36 extern void ima_add_kexec_buffer(struct kimage *image);
39 #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
40 extern bool arch_ima_get_secureboot(void);
41 extern const char * const *arch_get_ima_policy(void);
43 static inline bool arch_ima_get_secureboot(void)
48 static inline const char * const *arch_get_ima_policy(void)
55 static inline int ima_bprm_check(struct linux_binprm *bprm)
60 static inline int ima_file_check(struct file *file, int mask)
65 static inline void ima_post_create_tmpfile(struct inode *inode)
69 static inline void ima_file_free(struct file *file)
74 static inline int ima_file_mmap(struct file *file, unsigned long reqprot,
75 unsigned long prot, unsigned long flags)
80 static inline int ima_file_mprotect(struct vm_area_struct *vma,
86 static inline int ima_load_data(enum kernel_load_data_id id, bool contents)
91 static inline int ima_post_load_data(char *buf, loff_t size,
92 enum kernel_load_data_id id,
98 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id,
104 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
105 enum kernel_read_file_id id)
110 static inline void ima_post_path_mknod(struct dentry *dentry)
115 static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
120 static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
121 #endif /* CONFIG_IMA */
123 #ifndef CONFIG_IMA_KEXEC
126 static inline void ima_add_kexec_buffer(struct kimage *image)
130 #ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
131 extern void ima_post_key_create_or_update(struct key *keyring,
133 const void *payload, size_t plen,
134 unsigned long flags, bool create);
136 static inline void ima_post_key_create_or_update(struct key *keyring,
142 #endif /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
144 #ifdef CONFIG_IMA_APPRAISE
145 extern bool is_ima_appraise_enabled(void);
146 extern void ima_inode_post_setattr(struct dentry *dentry);
147 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
148 const void *xattr_value, size_t xattr_value_len);
149 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
151 static inline bool is_ima_appraise_enabled(void)
156 static inline void ima_inode_post_setattr(struct dentry *dentry)
161 static inline int ima_inode_setxattr(struct dentry *dentry,
162 const char *xattr_name,
163 const void *xattr_value,
164 size_t xattr_value_len)
169 static inline int ima_inode_removexattr(struct dentry *dentry,
170 const char *xattr_name)
174 #endif /* CONFIG_IMA_APPRAISE */
176 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
177 extern bool ima_appraise_signature(enum kernel_read_file_id func);
179 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
183 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
184 #endif /* _LINUX_IMA_H */