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[v2,05/25] ima: Align ima_inode_setxattr() definition with LSM infrastructure

Message ID 20230831104136.903180-6-roberto.sassu@huaweicloud.com (mailing list archive)
State New, archived
Headers show
Series security: Move IMA and EVM to the LSM infrastructure | expand

Commit Message

Roberto Sassu Aug. 31, 2023, 10:41 a.m. UTC 
From: Roberto Sassu <roberto.sassu@huawei.com>

Change ima_inode_setxattr() definition, so that it can be registered as
implementation of the inode_setxattr hook.

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
---
 include/linux/ima.h                   | 11 +++++++----
 security/integrity/ima/ima_appraise.c |  5 +++--
 security/security.c                   |  2 +-
 3 files changed, 11 insertions(+), 7 deletions(-)
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Patch

diff --git a/include/linux/ima.h b/include/linux/ima.h
index 56e72c0beb96..3dedff8659d2 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -194,8 +194,9 @@  static inline void ima_post_key_create_or_update(struct key *keyring,
 extern bool is_ima_appraise_enabled(void);
 extern void ima_inode_post_setattr(struct mnt_idmap *idmap,
 				   struct dentry *dentry, int ia_valid);
-extern int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
-		       const void *xattr_value, size_t xattr_value_len);
+int ima_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry,
+		       const char *xattr_name, const void *xattr_value,
+		       size_t xattr_value_len, int flags);
 extern int ima_inode_set_acl(struct mnt_idmap *idmap,
 			     struct dentry *dentry, const char *acl_name,
 			     struct posix_acl *kacl);
@@ -218,10 +219,12 @@  static inline void ima_inode_post_setattr(struct mnt_idmap *idmap,
 	return;
 }
 
-static inline int ima_inode_setxattr(struct dentry *dentry,
+static inline int ima_inode_setxattr(struct mnt_idmap *idmap,
+				     struct dentry *dentry,
 				     const char *xattr_name,
 				     const void *xattr_value,
-				     size_t xattr_value_len)
+				     size_t xattr_value_len,
+				     int flags)
 {
 	return 0;
 }
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 6b032bce4fe7..88c5a0b2992f 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -748,8 +748,9 @@  static int validate_hash_algo(struct dentry *dentry,
 	return -EACCES;
 }
 
-int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
-		       const void *xattr_value, size_t xattr_value_len)
+int ima_inode_setxattr(struct mnt_idmap *idmap, struct dentry *dentry,
+		       const char *xattr_name, const void *xattr_value,
+		       size_t xattr_value_len, int flags)
 {
 	const struct evm_ima_xattr_data *xvalue = xattr_value;
 	int digsig = 0;
diff --git a/security/security.c b/security/security.c
index dffb67e6e119..00826269481e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2171,7 +2171,7 @@  int security_inode_setxattr(struct mnt_idmap *idmap,
 		ret = cap_inode_setxattr(dentry, name, value, size, flags);
 	if (ret)
 		return ret;
-	ret = ima_inode_setxattr(dentry, name, value, size);
+	ret = ima_inode_setxattr(idmap, dentry, name, value, size, flags);
 	if (ret)
 		return ret;
 	return evm_inode_setxattr(idmap, dentry, name, value, size);