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-rw-r--r--include/linux/ima.h23
1 files changed, 17 insertions, 6 deletions
diff --git a/include/linux/ima.h b/include/linux/ima.h
index 61d5723ec303..b6ab66a546ae 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -11,9 +11,11 @@
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/kexec.h>
+#include <crypto/hash_info.h>
struct linux_binprm;
#ifdef CONFIG_IMA
+extern enum hash_algo ima_get_current_hash_algo(void);
extern int ima_bprm_check(struct linux_binprm *bprm);
extern int ima_file_check(struct file *file, int mask);
extern void ima_post_create_tmpfile(struct user_namespace *mnt_userns,
@@ -33,10 +35,10 @@ extern void ima_post_path_mknod(struct user_namespace *mnt_userns,
extern int ima_file_hash(struct file *file, char *buf, size_t buf_size);
extern int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size);
extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size);
-extern void ima_measure_critical_data(const char *event_label,
- const char *event_name,
- const void *buf, size_t buf_len,
- bool hash);
+extern int ima_measure_critical_data(const char *event_label,
+ const char *event_name,
+ const void *buf, size_t buf_len,
+ bool hash, u8 *digest, size_t digest_len);
#ifdef CONFIG_IMA_APPRAISE_BOOTPARAM
extern void ima_appraise_parse_cmdline(void);
@@ -64,6 +66,11 @@ static inline const char * const *arch_get_ima_policy(void)
#endif
#else
+static inline enum hash_algo ima_get_current_hash_algo(void)
+{
+ return HASH_ALGO__LAST;
+}
+
static inline int ima_bprm_check(struct linux_binprm *bprm)
{
return 0;
@@ -137,10 +144,14 @@ static inline int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size
static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {}
-static inline void ima_measure_critical_data(const char *event_label,
+static inline int ima_measure_critical_data(const char *event_label,
const char *event_name,
const void *buf, size_t buf_len,
- bool hash) {}
+ bool hash, u8 *digest,
+ size_t digest_len)
+{
+ return -ENOENT;
+}
#endif /* CONFIG_IMA */