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-rw-r--r--security/integrity/integrity.h62
1 files changed, 47 insertions, 15 deletions
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index e9db763a875e..84c37c4db914 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -14,23 +14,41 @@
#include <linux/types.h>
#include <linux/integrity.h>
#include <crypto/sha.h>
+#include <linux/key.h>
/* iint action cache flags */
-#define IMA_MEASURE 0x0001
-#define IMA_MEASURED 0x0002
-#define IMA_APPRAISE 0x0004
-#define IMA_APPRAISED 0x0008
-/*#define IMA_COLLECT 0x0010 do not use this flag */
-#define IMA_COLLECTED 0x0020
-#define IMA_AUDIT 0x0040
-#define IMA_AUDITED 0x0080
+#define IMA_MEASURE 0x00000001
+#define IMA_MEASURED 0x00000002
+#define IMA_APPRAISE 0x00000004
+#define IMA_APPRAISED 0x00000008
+/*#define IMA_COLLECT 0x00000010 do not use this flag */
+#define IMA_COLLECTED 0x00000020
+#define IMA_AUDIT 0x00000040
+#define IMA_AUDITED 0x00000080
/* iint cache flags */
-#define IMA_DIGSIG 0x0100
+#define IMA_ACTION_FLAGS 0xff000000
+#define IMA_DIGSIG 0x01000000
+#define IMA_DIGSIG_REQUIRED 0x02000000
-#define IMA_DO_MASK (IMA_MEASURE | IMA_APPRAISE | IMA_AUDIT)
-#define IMA_DONE_MASK (IMA_MEASURED | IMA_APPRAISED | IMA_AUDITED \
- | IMA_COLLECTED)
+#define IMA_DO_MASK (IMA_MEASURE | IMA_APPRAISE | IMA_AUDIT | \
+ IMA_APPRAISE_SUBMASK)
+#define IMA_DONE_MASK (IMA_MEASURED | IMA_APPRAISED | IMA_AUDITED | \
+ IMA_COLLECTED | IMA_APPRAISED_SUBMASK)
+
+/* iint subaction appraise cache flags */
+#define IMA_FILE_APPRAISE 0x00000100
+#define IMA_FILE_APPRAISED 0x00000200
+#define IMA_MMAP_APPRAISE 0x00000400
+#define IMA_MMAP_APPRAISED 0x00000800
+#define IMA_BPRM_APPRAISE 0x00001000
+#define IMA_BPRM_APPRAISED 0x00002000
+#define IMA_MODULE_APPRAISE 0x00004000
+#define IMA_MODULE_APPRAISED 0x00008000
+#define IMA_APPRAISE_SUBMASK (IMA_FILE_APPRAISE | IMA_MMAP_APPRAISE | \
+ IMA_BPRM_APPRAISE | IMA_MODULE_APPRAISE)
+#define IMA_APPRAISED_SUBMASK (IMA_FILE_APPRAISED | IMA_MMAP_APPRAISED | \
+ IMA_BPRM_APPRAISED | IMA_MODULE_APPRAISED)
enum evm_ima_xattr_type {
IMA_XATTR_DIGEST = 0x01,
@@ -48,10 +66,13 @@ struct integrity_iint_cache {
struct rb_node rb_node; /* rooted in integrity_iint_tree */
struct inode *inode; /* back pointer to inode in question */
u64 version; /* track inode changes */
- unsigned short flags;
+ unsigned long flags;
struct evm_ima_xattr_data ima_xattr;
- enum integrity_status ima_status;
- enum integrity_status evm_status;
+ enum integrity_status ima_file_status:4;
+ enum integrity_status ima_mmap_status:4;
+ enum integrity_status ima_bprm_status:4;
+ enum integrity_status ima_module_status:4;
+ enum integrity_status evm_status:4;
};
/* rbtree tree calls to lookup, insert, delete
@@ -81,5 +102,16 @@ static inline int integrity_digsig_verify(const unsigned int id,
#endif /* CONFIG_INTEGRITY_SIGNATURE */
+#ifdef CONFIG_INTEGRITY_ASYMMETRIC_KEYS
+int asymmetric_verify(struct key *keyring, const char *sig,
+ int siglen, const char *data, int datalen);
+#else
+static inline int asymmetric_verify(struct key *keyring, const char *sig,
+ int siglen, const char *data, int datalen)
+{
+ return -EOPNOTSUPP;
+}
+#endif
+
/* set during initialization */
extern int iint_initialized;