[AppArmor 26/47] Pass struct vfsmount to the inode_listxattr LSM hook

From: John
Date: Thu Dec 20 2007 - 09:23:58 EST


This is needed for computing pathnames in the AppArmor LSM.

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

---
fs/xattr.c | 2 +-
include/linux/security.h | 9 +++++----
security/dummy.c | 2 +-
security/security.c | 4 ++--
security/selinux/hooks.c | 2 +-
5 files changed, 10 insertions(+), 9 deletions(-)

--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -174,7 +174,7 @@ vfs_listxattr(struct dentry *dentry, str
struct inode *inode = dentry->d_inode;
ssize_t error;

- error = security_inode_listxattr(dentry);
+ error = security_inode_listxattr(dentry, mnt);
if (error)
return error;
error = -EOPNOTSUPP;
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -426,7 +426,7 @@ struct request_sock;
* Return 0 if permission is granted.
* @inode_listxattr:
* Check permission before obtaining the list of extended attribute
- * names for @dentry.
+ * names for @dentry and @mnt.
* Return 0 if permission is granted.
* @inode_removexattr:
* Check permission before removing the extended attribute
@@ -1318,7 +1318,7 @@ struct security_operations {
size_t size, int flags);
int (*inode_getxattr) (struct dentry *dentry, struct vfsmount *mnt,
char *name);
- int (*inode_listxattr) (struct dentry *dentry);
+ int (*inode_listxattr) (struct dentry *dentry, struct vfsmount *mnt);
int (*inode_removexattr) (struct dentry *dentry, char *name);
int (*inode_need_killpriv) (struct dentry *dentry);
int (*inode_killpriv) (struct dentry *dentry);
@@ -1590,7 +1590,7 @@ void security_inode_post_setxattr(struct
int flags);
int security_inode_getxattr(struct dentry *dentry, struct vfsmount *mnt,
char *name);
-int security_inode_listxattr(struct dentry *dentry);
+int security_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt);
int security_inode_removexattr(struct dentry *dentry, char *name);
int security_inode_need_killpriv(struct dentry *dentry);
int security_inode_killpriv(struct dentry *dentry);
@@ -1996,7 +1996,8 @@ static inline int security_inode_getxatt
return 0;
}

-static inline int security_inode_listxattr (struct dentry *dentry)
+static inline int security_inode_listxattr (struct dentry *dentry,
+ struct vfsmount *mnt)
{
return 0;
}
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -399,7 +399,7 @@ static int dummy_inode_getxattr (struct
return 0;
}

-static int dummy_inode_listxattr (struct dentry *dentry)
+static int dummy_inode_listxattr (struct dentry *dentry, struct vfsmount *mnt)
{
return 0;
}
--- a/security/security.c
+++ b/security/security.c
@@ -486,11 +486,11 @@ int security_inode_getxattr(struct dentr
return security_ops->inode_getxattr(dentry, mnt, name);
}

-int security_inode_listxattr(struct dentry *dentry)
+int security_inode_listxattr(struct dentry *dentry, struct vfsmount *mnt)
{
if (unlikely(IS_PRIVATE(dentry->d_inode)))
return 0;
- return security_ops->inode_listxattr(dentry);
+ return security_ops->inode_listxattr(dentry, mnt);
}

int security_inode_removexattr(struct dentry *dentry, char *name)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2642,7 +2642,7 @@ static int selinux_inode_getxattr (struc
return dentry_has_perm(current, NULL, dentry, FILE__GETATTR);
}

-static int selinux_inode_listxattr (struct dentry *dentry)
+static int selinux_inode_listxattr (struct dentry *dentry, struct vfsmount *mnt)
{
return dentry_has_perm(current, NULL, dentry, FILE__GETATTR);
}

--

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