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authorRoberto Sassu <roberto.sassu@huawei.com>2024-02-15 11:30:55 +0100
committerPaul Moore <paul@paul-moore.com>2024-02-15 23:43:40 -0500
commit2b6a4054f8c2758cf5c1d78f6ba7006a940b31ce (patch)
treeb0c634344532f2f60acbd14d3c628cfcc53a2d24
parent784111d0093e007950cc20033daf3d74ac388821 (diff)
evm: Align evm_inode_setxattr() definition with LSM infrastructure
Change evm_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> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Acked-by: Mimi Zohar <zohar@linux.ibm.com> Signed-off-by: Paul Moore <paul@paul-moore.com>
-rw-r--r--include/linux/evm.h4
-rw-r--r--security/integrity/evm/evm_main.c3
-rw-r--r--security/security.c2
3 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/evm.h b/include/linux/evm.h
index 5cc386312b5a..7de24c1ada90 100644
--- a/include/linux/evm.h
+++ b/include/linux/evm.h
@@ -27,7 +27,7 @@ extern void evm_inode_post_setattr(struct mnt_idmap *idmap,
struct dentry *dentry, int ia_valid);
extern int evm_inode_setxattr(struct mnt_idmap *idmap,
struct dentry *dentry, const char *name,
- const void *value, size_t size);
+ const void *value, size_t size, int flags);
extern void evm_inode_post_setxattr(struct dentry *dentry,
const char *xattr_name,
const void *xattr_value,
@@ -107,7 +107,7 @@ static inline void evm_inode_post_setattr(struct mnt_idmap *idmap,
static inline int evm_inode_setxattr(struct mnt_idmap *idmap,
struct dentry *dentry, const char *name,
- const void *value, size_t size)
+ const void *value, size_t size, int flags)
{
return 0;
}
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index ac34f21122cd..12ba3207fd31 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -581,6 +581,7 @@ out:
* @xattr_name: pointer to the affected extended attribute name
* @xattr_value: pointer to the new extended attribute value
* @xattr_value_len: pointer to the new extended attribute value length
+ * @flags: flags to pass into filesystem operations
*
* Before allowing the 'security.evm' protected xattr to be updated,
* verify the existing value is valid. As only the kernel should have
@@ -590,7 +591,7 @@ out:
*/
int evm_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)
{
const struct evm_ima_xattr_data *xattr_data = xattr_value;
diff --git a/security/security.c b/security/security.c
index 58e20362b679..b99c9a69d4c2 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2272,7 +2272,7 @@ int security_inode_setxattr(struct mnt_idmap *idmap,
ret = ima_inode_setxattr(idmap, dentry, name, value, size, flags);
if (ret)
return ret;
- return evm_inode_setxattr(idmap, dentry, name, value, size);
+ return evm_inode_setxattr(idmap, dentry, name, value, size, flags);
}
/**