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 user_namespace *mnt_userns,
21 extern void ima_file_free(struct file *file);
22 extern int ima_file_mmap(struct file *file, unsigned long prot);
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 user_namespace *mnt_userns,
32 struct dentry *dentry);
33 extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
34 extern int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size);
35 extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
36 extern void ima_measure_critical_data(const char *event_label,
37 const char *event_name,
38 const void *buf, size_t buf_len,
41 #ifdef CONFIG_IMA_APPRAISE_BOOTPARAM
42 extern void ima_appraise_parse_cmdline(void);
44 static inline void ima_appraise_parse_cmdline(void) {}
47 #ifdef CONFIG_IMA_KEXEC
48 extern void ima_add_kexec_buffer(struct kimage *image);
51 #ifdef CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
52 extern bool arch_ima_get_secureboot(void);
53 extern const char * const *arch_get_ima_policy(void);
55 static inline bool arch_ima_get_secureboot(void)
60 static inline const char * const *arch_get_ima_policy(void)
67 static inline int ima_bprm_check(struct linux_binprm *bprm)
72 static inline int ima_file_check(struct file *file, int mask)
77 static inline void ima_post_create_tmpfile(struct user_namespace *mnt_userns,
82 static inline void ima_file_free(struct file *file)
87 static inline int ima_file_mmap(struct file *file, unsigned long prot)
92 static inline int ima_file_mprotect(struct vm_area_struct *vma,
98 static inline int ima_load_data(enum kernel_load_data_id id, bool contents)
103 static inline int ima_post_load_data(char *buf, loff_t size,
104 enum kernel_load_data_id id,
110 static inline int ima_read_file(struct file *file, enum kernel_read_file_id id,
116 static inline int ima_post_read_file(struct file *file, void *buf, loff_t size,
117 enum kernel_read_file_id id)
122 static inline void ima_post_path_mknod(struct user_namespace *mnt_userns,
123 struct dentry *dentry)
128 static inline int ima_file_hash(struct file *file, char *buf, size_t buf_size)
133 static inline int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size)
138 static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
140 static inline void ima_measure_critical_data(const char *event_label,
141 const char *event_name,
142 const void *buf, size_t buf_len,
145 #endif /* CONFIG_IMA */
147 #ifndef CONFIG_IMA_KEXEC
150 static inline void ima_add_kexec_buffer(struct kimage *image)
154 #ifdef CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS
155 extern void ima_post_key_create_or_update(struct key *keyring,
157 const void *payload, size_t plen,
158 unsigned long flags, bool create);
160 static inline void ima_post_key_create_or_update(struct key *keyring,
166 #endif /* CONFIG_IMA_MEASURE_ASYMMETRIC_KEYS */
168 #ifdef CONFIG_IMA_APPRAISE
169 extern bool is_ima_appraise_enabled(void);
170 extern void ima_inode_post_setattr(struct user_namespace *mnt_userns,
171 struct dentry *dentry);
172 extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
173 const void *xattr_value, size_t xattr_value_len);
174 extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
176 static inline bool is_ima_appraise_enabled(void)
181 static inline void ima_inode_post_setattr(struct user_namespace *mnt_userns,
182 struct dentry *dentry)
187 static inline int ima_inode_setxattr(struct dentry *dentry,
188 const char *xattr_name,
189 const void *xattr_value,
190 size_t xattr_value_len)
195 static inline int ima_inode_removexattr(struct dentry *dentry,
196 const char *xattr_name)
200 #endif /* CONFIG_IMA_APPRAISE */
202 #if defined(CONFIG_IMA_APPRAISE) && defined(CONFIG_INTEGRITY_TRUSTED_KEYRING)
203 extern bool ima_appraise_signature(enum kernel_read_file_id func);
205 static inline bool ima_appraise_signature(enum kernel_read_file_id func)
209 #endif /* CONFIG_IMA_APPRAISE && CONFIG_INTEGRITY_TRUSTED_KEYRING */
210 #endif /* _LINUX_IMA_H */