linux-kernel - [PATCH v9 04/25] ima: Align ima_inode_removexattr() definition with LSM infrastructure

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Message-Id: <20240115181809.885385-5-roberto.sassu@huaweicloud.com>
Date: Mon, 15 Jan 2024 19:17:48 +0100
From: Roberto Sassu <roberto.sassu@...weicloud.com>
To: viro@...iv.linux.org.uk,
	brauner@...nel.org,
	chuck.lever@...cle.com,
	jlayton@...nel.org,
	neilb@...e.de,
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	tom@...pey.com,
	paul@...l-moore.com,
	jmorris@...ei.org,
	serge@...lyn.com,
	zohar@...ux.ibm.com,
	dmitry.kasatkin@...il.com,
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	dhowells@...hat.com,
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	stephen.smalley.work@...il.com,
	eparis@...isplace.org,
	casey@...aufler-ca.com,
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Cc: linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org,
	linux-security-module@...r.kernel.org,
	linux-integrity@...r.kernel.org,
	keyrings@...r.kernel.org,
	selinux@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	Roberto Sassu <roberto.sassu@...wei.com>,
	Stefan Berger <stefanb@...ux.ibm.com>
Subject: [PATCH v9 04/25] ima: Align ima_inode_removexattr() definition with LSM infrastructure

From: Roberto Sassu <roberto.sassu@...wei.com>

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

Signed-off-by: Roberto Sassu <roberto.sassu@...wei.com>
Reviewed-by: Stefan Berger <stefanb@...ux.ibm.com>
Reviewed-by: Casey Schaufler <casey@...aufler-ca.com>
Reviewed-by: Mimi Zohar <zohar@...ux.ibm.com>
---
 include/linux/ima.h                   | 7 +++++--
 security/integrity/ima/ima_appraise.c | 3 ++-
 security/security.c                   | 2 +-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/linux/ima.h b/include/linux/ima.h
index 077324309c11..678a03fddd7e 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -200,7 +200,9 @@ static inline int ima_inode_remove_acl(struct mnt_idmap *idmap,
 {
 	return ima_inode_set_acl(idmap, dentry, acl_name, NULL);
 }
-extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name);
+
+extern int ima_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry,
+				 const char *xattr_name);
 #else
 static inline bool is_ima_appraise_enabled(void)
 {
@@ -231,7 +233,8 @@ static inline int ima_inode_set_acl(struct mnt_idmap *idmap,
 	return 0;
 }
 
-static inline int ima_inode_removexattr(struct dentry *dentry,
+static inline int ima_inode_removexattr(struct mnt_idmap *idmap,
+					struct dentry *dentry,
 					const char *xattr_name)
 {
 	return 0;
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index cb2d0d11aa77..36abc84ba299 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -790,7 +790,8 @@ int ima_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
 	return 0;
 }
 
-int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name)
+int ima_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry,
+			  const char *xattr_name)
 {
 	int result;
 
diff --git a/security/security.c b/security/security.c
index 98531e9b368f..fda78023de48 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2430,7 +2430,7 @@ int security_inode_removexattr(struct mnt_idmap *idmap,
 		ret = cap_inode_removexattr(idmap, dentry, name);
 	if (ret)
 		return ret;
-	ret = ima_inode_removexattr(dentry, name);
+	ret = ima_inode_removexattr(idmap, dentry, name);
 	if (ret)
 		return ret;
 	return evm_inode_removexattr(idmap, dentry, name);
-- 
2.34.1