[AppArmor 01/45] Pass struct vfsmount to the inode_create LSM hook

Previous thread: [AppArmor 00/45] AppArmor security module overview by jjohansen on Friday, October 26, 2007 - 2:40 am. (12 messages)

Next thread: [AppArmor 02/45] Pass struct path down to remove_suid and children by jjohansen on Friday, October 26, 2007 - 2:40 am. (1 message)
To: <akpm@...>
Cc: <linux-kernel@...>, <linux-security-module@...>, Tony Jones <tonyj@...>, Andreas Gruenbacher <agruen@...>, John Johansen <jjohansen@...>
Date: Friday, October 26, 2007 - 2:40 am

This is needed for computing pathnames in the AppArmor LSM.

Signed-off-by: Tony Jones <tonyj@suse.de>
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: John Johansen <jjohansen@suse.de>

---
fs/namei.c | 2 +-
include/linux/security.h | 9 ++++++---
security/dummy.c | 2 +-
security/security.c | 5 +++--
security/selinux/hooks.c | 3 ++-
5 files changed, 13 insertions(+), 8 deletions(-)

--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1584,7 +1584,7 @@ int vfs_create(struct inode *dir, struct
return -EACCES; /* shouldn't it be ENOSYS? */
mode &= S_IALLUGO;
mode |= S_IFREG;
- error = security_inode_create(dir, dentry, mode);
+ error = security_inode_create(dir, dentry, nd ? nd->mnt : NULL, mode);
if (error)
return error;
DQUOT_INIT(dir);
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -297,6 +297,7 @@ struct request_sock;
* Check permission to create a regular file.
* @dir contains inode structure of the parent of the new file.
* @dentry contains the dentry structure for the file to be created.
+ * @mnt is the vfsmount corresponding to @dentry (may be NULL).
* @mode contains the file mode of the file to be created.
* Return 0 if permission is granted.
* @inode_link:
@@ -1234,8 +1235,8 @@ struct security_operations {
void (*inode_free_security) (struct inode *inode);
int (*inode_init_security) (struct inode *inode, struct inode *dir,
char **name, void **value, size_t *len);
- int (*inode_create) (struct inode *dir,
- struct dentry *dentry, int mode);
+ int (*inode_create) (struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt, int mode);
int (*inode_link) (struct dentry *old_dentry,
struct inode *dir, struct dentry *new_dentry);
int (*inode_unlink) (struct inode *dir, struct dentry *dentry);
@@ -1490,7 +1491,8 @@ int security_inode_alloc(struct inode *i
void security_inode_fr...

Previous thread: [AppArmor 00/45] AppArmor security module overview by jjohansen on Friday, October 26, 2007 - 2:40 am. (12 messages)

Next thread: [AppArmor 02/45] Pass struct path down to remove_suid and children by jjohansen on Friday, October 26, 2007 - 2:40 am. (1 message)