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ima: Align ima_inode_post_setattr() definition with LSM infrastructure

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Change ima_inode_post_setattr() definition, so that it can be registered as
implementation of the inode_post_setattr hook (to be introduced).

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
Acked-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Roberto Sassu 2024-02-15 11:30:49 +01:00 committed by Paul Moore
parent 54be6c6c5a
commit bad5247a2c
3 changed files with 5 additions and 4 deletions
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2
fs/attr.c
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@ -502,7 +502,7 @@ int notify_change(struct mnt_idmap *idmap, struct dentry *dentry,
if (!error) {
fsnotify_change(dentry, ia_valid);
ima_inode_post_setattr(idmap, dentry);
ima_inode_post_setattr(idmap, dentry, ia_valid);
evm_inode_post_setattr(dentry, ia_valid);
}

4
include/linux/ima.h
View File

@ -186,7 +186,7 @@ static inline void ima_post_key_create_or_update(struct key *keyring,
#ifdef CONFIG_IMA_APPRAISE
extern bool is_ima_appraise_enabled(void);
extern void ima_inode_post_setattr(struct mnt_idmap *idmap,
struct dentry *dentry);
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);
extern int ima_inode_set_acl(struct mnt_idmap *idmap,
@ -206,7 +206,7 @@ static inline bool is_ima_appraise_enabled(void)
}
static inline void ima_inode_post_setattr(struct mnt_idmap *idmap,
struct dentry *dentry)
struct dentry *dentry, int ia_valid)
{
return;
}

3
security/integrity/ima/ima_appraise.c
View File

@ -629,6 +629,7 @@ void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file)
* ima_inode_post_setattr - reflect file metadata changes
* @idmap: idmap of the mount the inode was found from
* @dentry: pointer to the affected dentry
* @ia_valid: for the UID and GID status
*
* Changes to a dentry's metadata might result in needing to appraise.
*
@ -636,7 +637,7 @@ void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file)
* to lock the inode's i_mutex.
*/
void ima_inode_post_setattr(struct mnt_idmap *idmap,
struct dentry *dentry)
struct dentry *dentry, int ia_valid)
{
struct inode *inode = d_backing_inode(dentry);
struct integrity_iint_cache *iint;