diff mbox series

[v4,09/23] security: Align inode_setattr hook definition with EVM

Message ID 20231027083558.484911-10-roberto.sassu@huaweicloud.com (mailing list archive)
State Superseded
Delegated to: Paul Moore
Headers show
Series security: Move IMA and EVM to the LSM infrastructure | expand

Commit Message

Roberto Sassu Oct. 27, 2023, 8:35 a.m. UTC 
From: Roberto Sassu <roberto.sassu@huawei.com>

Add the idmap parameter to the definition, so that evm_inode_setattr() can
be registered as this hook implementation.

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
---
 include/linux/lsm_hook_defs.h | 3 ++-
 security/security.c           | 2 +-
 security/selinux/hooks.c      | 3 ++-
 security/smack/smack_lsm.c    | 4 +++-
 4 files changed, 8 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 97233e6e2091..751b084185ac 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -135,7 +135,8 @@  LSM_HOOK(int, 0, inode_readlink, struct dentry *dentry)
 LSM_HOOK(int, 0, inode_follow_link, struct dentry *dentry, struct inode *inode,
 	 bool rcu)
 LSM_HOOK(int, 0, inode_permission, struct inode *inode, int mask)
-LSM_HOOK(int, 0, inode_setattr, struct dentry *dentry, struct iattr *attr)
+LSM_HOOK(int, 0, inode_setattr, struct mnt_idmap *idmap, struct dentry *dentry,
+	 struct iattr *attr)
 LSM_HOOK(int, 0, inode_getattr, const struct path *path)
 LSM_HOOK(int, 0, inode_setxattr, struct mnt_idmap *idmap,
 	 struct dentry *dentry, const char *name, const void *value,
diff --git a/security/security.c b/security/security.c
index b2dd521a206d..da10da5fd79f 100644
--- a/security/security.c
+++ b/security/security.c
@@ -2208,7 +2208,7 @@  int security_inode_setattr(struct mnt_idmap *idmap,
 
 	if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
 		return 0;
-	ret = call_int_hook(inode_setattr, 0, dentry, attr);
+	ret = call_int_hook(inode_setattr, 0, idmap, dentry, attr);
 	if (ret)
 		return ret;
 	return evm_inode_setattr(idmap, dentry, attr);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 8cf8850c69bd..134c1b34b1f6 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3128,7 +3128,8 @@  static int selinux_inode_permission(struct inode *inode, int mask)
 	return rc;
 }
 
-static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr)
+static int selinux_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+				 struct iattr *iattr)
 {
 	const struct cred *cred = current_cred();
 	struct inode *inode = d_backing_inode(dentry);
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 12160d060cc1..78a777c2f1a6 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -1232,12 +1232,14 @@  static int smack_inode_permission(struct inode *inode, int mask)
 
 /**
  * smack_inode_setattr - Smack check for setting attributes
+ * @idmap: idmap of the mount
  * @dentry: the object
  * @iattr: for the force flag
  *
  * Returns 0 if access is permitted, an error code otherwise
  */
-static int smack_inode_setattr(struct dentry *dentry, struct iattr *iattr)
+static int smack_inode_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
+			       struct iattr *iattr)
 {
 	struct smk_audit_info ad;
 	int rc;