1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2008 IBM Corporation
11 #include <linux/security.h>
12 #include <linux/kexec.h>
16 extern int ima_bprm_check(struct linux_binprm *bprm);
17 extern int ima_file_check(struct file *file, int mask);
18 extern void ima_post_create_tmpfile(struct inode *inode);
19 extern void ima_file_free(struct file *file);
20 extern int ima_file_mmap(struct file *file, unsigned long prot);
21 extern int ima_file_mprotect(struct vm_area_struct *vma, unsigned long prot);
22 extern int ima_load_data(enum kernel_load_data_id id);
23 extern int ima_read_file(struct file *file, enum kernel_read_file_id id);
24 extern int ima_post_read_file(struct file *file, void *buf, loff_t size,
25 enum kernel_read_file_id id);
26 extern void ima_post_path_mknod(struct dentry *dentry);
27 extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
28 extern void ima_kexec_cmdline(const void *buf, int size);
30 #ifdef CONFIG_IMA_KEXEC
31 extern void ima_add_kexec_buffer(struct kimage *image);
34 #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
35 extern bool arch_ima_get_secureboot(void);
36 extern const char * const *arch_get_ima_policy(void);
38 static inline bool arch_ima_get_secureboot(void)
43 static inline const char * const *arch_get_ima_policy(void)
50 static inline int ima_bprm_check(struct linux_binprm *bprm)
55 static inline int ima_file_check(struct file *file, int mask)
60 static inline void ima_post_create_tmpfile(struct inode *inode)
64 static inline void ima_file_free(struct file *file)
69 static inline int ima_file_mmap(struct file *file, unsigned long prot)
74 static inline int ima_file_mprotect(struct vm_area_struct *vma,
80 static inline int ima_load_data(enum kernel_load_data_id id)
85 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id)
90 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
91 enum kernel_read_file_id id)
96 static inline void ima_post_path_mknod(struct dentry *dentry)
101 static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
106 static inline void ima_kexec_cmdline(const void *buf, int size) {}
107 #endif /* CONFIG_IMA */
109 #ifndef CONFIG_IMA_KEXEC
112 static inline void ima_add_kexec_buffer(struct kimage *image)
116 #ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
117 extern void ima_post_key_create_or_update(struct key *keyring,
119 const void *payload, size_t plen,
120 unsigned long flags, bool create);
122 static inline void ima_post_key_create_or_update(struct key *keyring,
128 #endif /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
130 #ifdef CONFIG_IMA_APPRAISE
131 extern bool is_ima_appraise_enabled(void);
132 extern void ima_inode_post_setattr(struct dentry *dentry);
133 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
134 const void *xattr_value, size_t xattr_value_len);
135 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
137 static inline bool is_ima_appraise_enabled(void)
142 static inline void ima_inode_post_setattr(struct dentry *dentry)
147 static inline int ima_inode_setxattr(struct dentry *dentry,
148 const char *xattr_name,
149 const void *xattr_value,
150 size_t xattr_value_len)
155 static inline int ima_inode_removexattr(struct dentry *dentry,
156 const char *xattr_name)
160 #endif /* CONFIG_IMA_APPRAISE */
162 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
163 extern bool ima_appraise_signature(enum kernel_read_file_id func);
165 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
169 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
170 #endif /* _LINUX_IMA_H */