2023-03-03 18:38:15

by Roberto Sassu

Subject: [PATCH 06/28] ima: Align ima_inode_removexattr() definition with LSM infrastructure

From: Roberto Sassu <[email protected]>

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

Signed-off-by: Roberto Sassu <[email protected]>
---
include/linux/ima.h | 6 ++++--
security/integrity/ima/ima_appraise.c | 3 ++-
security/security.c | 2 +-
3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/include/linux/ima.h b/include/linux/ima.h
index 6ec6725e3ad..fb1d4699949 100644
--- a/include/linux/ima.h
+++ b/include/linux/ima.h
@@ -206,7 +206,8 @@ 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)
{
@@ -237,7 +238,8 @@ 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 88c5a0b2992..c35e3537eb8 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -788,7 +788,8 @@ 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 51612dcf05b..29b4bebba5e 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2382,7 +2382,7 @@ 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);
--
2.25.1

2023-03-06 17:00:42

by Stefan Berger

Subject: Re: [PATCH 06/28] ima: Align ima_inode_removexattr() definition with LSM infrastructure

On 3/3/23 13:18, Roberto Sassu wrote:
> From: Roberto Sassu <[email protected]>
>
> Change ima_inode_removexattr() definition, so that it can be registered as
> implementation of the inode_removexattr hook.
>
> Signed-off-by: Roberto Sassu <[email protected]>

Reviewed-by: Stefan Berger <[email protected]>