[PATCH] integrity: Expose data structures required for include/linux/integrity.h

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From: Florent Revest <revest@xxxxxxxxxx>

include/linux/integrity.h exposes the prototype of integrity_inode_get().
However, it relies on struct integrity_iint_cache which is currently
defined in an internal header, security/integrity/integrity.h.

To allow the rest of the kernel to use integrity_inode_get, this patch
moves the definition of the necessary structures from a private header
to a global kernel header.

Signed-off-by: Florent Revest <revest@xxxxxxxxxx>
---
 include/linux/integrity.h      | 37 ++++++++++++++++++++++++++++++++++
 security/integrity/integrity.h | 37 ----------------------------------
 2 files changed, 37 insertions(+), 37 deletions(-)

diff --git a/include/linux/integrity.h b/include/linux/integrity.h
index 2271939c5c31..15a0d5e91737 100644
--- a/include/linux/integrity.h
+++ b/include/linux/integrity.h
@@ -18,6 +18,43 @@ enum integrity_status {
 	INTEGRITY_UNKNOWN,
 };
 
+#define IMA_MAX_DIGEST_SIZE	64
+
+struct ima_digest_data {
+	u8 algo;
+	u8 length;
+	union {
+		struct {
+			u8 unused;
+			u8 type;
+		} sha1;
+		struct {
+			u8 type;
+			u8 algo;
+		} ng;
+		u8 data[2];
+	} xattr;
+	u8 digest[0];
+} __packed;
+
+/* integrity data associated with an inode */
+struct integrity_iint_cache {
+	struct rb_node rb_node;	/* rooted in integrity_iint_tree */
+	struct mutex mutex;	/* protects: version, flags, digest */
+	struct inode *inode;	/* back pointer to inode in question */
+	u64 version;		/* track inode changes */
+	unsigned long flags;
+	unsigned long measured_pcrs;
+	unsigned long atomic_flags;
+	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_read_status:4;
+	enum integrity_status ima_creds_status:4;
+	enum integrity_status evm_status:4;
+	struct ima_digest_data *ima_hash;
+};
+
 /* List of EVM protected security xattrs */
 #ifdef CONFIG_INTEGRITY
 extern struct integrity_iint_cache *integrity_inode_get(struct inode *inode);
diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h
index 65377848fbc5..2d5e69ab4646 100644
--- a/security/integrity/integrity.h
+++ b/security/integrity/integrity.h
@@ -77,25 +77,6 @@ struct evm_ima_xattr_data {
 	u8 digest[SHA1_DIGEST_SIZE];
 } __packed;
 
-#define IMA_MAX_DIGEST_SIZE	64
-
-struct ima_digest_data {
-	u8 algo;
-	u8 length;
-	union {
-		struct {
-			u8 unused;
-			u8 type;
-		} sha1;
-		struct {
-			u8 type;
-			u8 algo;
-		} ng;
-		u8 data[2];
-	} xattr;
-	u8 digest[0];
-} __packed;
-
 /*
  * signature format v2 - for using with asymmetric keys
  */
@@ -108,24 +89,6 @@ struct signature_v2_hdr {
 	uint8_t sig[0];		/* signature payload */
 } __packed;
 
-/* integrity data associated with an inode */
-struct integrity_iint_cache {
-	struct rb_node rb_node;	/* rooted in integrity_iint_tree */
-	struct mutex mutex;	/* protects: version, flags, digest */
-	struct inode *inode;	/* back pointer to inode in question */
-	u64 version;		/* track inode changes */
-	unsigned long flags;
-	unsigned long measured_pcrs;
-	unsigned long atomic_flags;
-	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_read_status:4;
-	enum integrity_status ima_creds_status:4;
-	enum integrity_status evm_status:4;
-	struct ima_digest_data *ima_hash;
-};
-
 /* rbtree tree calls to lookup, insert, delete
  * integrity data associated with an inode.
  */
-- 
2.24.1.735.g03f4e72817-goog




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