This is needed for computing pathnames in the AppArmor LSM.
Signed-off-by: Tony Jones <[email protected]>
Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: John Johansen <[email protected]>
---
fs/namei.c | 2 +-
include/linux/security.h | 8 ++++++--
security/dummy.c | 2 +-
security/security.c | 5 +++--
security/selinux/hooks.c | 3 ++-
5 files changed, 13 insertions(+), 7 deletions(-)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2119,7 +2119,7 @@ int vfs_mkdir(struct inode *dir, struct
return -EPERM;
mode &= (S_IRWXUGO|S_ISVTX);
- error = security_inode_mkdir(dir, dentry, mode);
+ error = security_inode_mkdir(dir, dentry, mnt, mode);
if (error)
return error;
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -339,6 +339,7 @@ struct request_sock;
* associated with inode strcture @dir.
* @dir containst the inode structure of parent of the directory to be created.
* @dentry contains the dentry structure of new directory.
+ * @mnt is the vfsmount corresponding to @dentry (may be NULL).
* @mode contains the mode of new directory.
* Return 0 if permission is granted.
* @inode_rmdir:
@@ -1281,7 +1282,8 @@ struct security_operations {
int (*inode_unlink) (struct inode *dir, struct dentry *dentry);
int (*inode_symlink) (struct inode *dir,
struct dentry *dentry, const char *old_name);
- int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode);
+ int (*inode_mkdir) (struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt, int mode);
int (*inode_rmdir) (struct inode *dir, struct dentry *dentry);
int (*inode_mknod) (struct inode *dir, struct dentry *dentry,
int mode, dev_t dev);
@@ -1546,7 +1548,8 @@ int security_inode_link(struct dentry *o
int security_inode_unlink(struct inode *dir, struct dentry *dentry);
int security_inode_symlink(struct inode *dir, struct dentry *dentry,
const char *old_name);
-int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode);
+int security_inode_mkdir(struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt, int mode);
int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev);
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
@@ -1880,6 +1883,7 @@ static inline int security_inode_symlink
static inline int security_inode_mkdir (struct inode *dir,
struct dentry *dentry,
+ struct vfsmount *mnt,
int mode)
{
return 0;
--- a/security/dummy.c
+++ b/security/dummy.c
@@ -313,7 +313,7 @@ static int dummy_inode_symlink (struct i
}
static int dummy_inode_mkdir (struct inode *inode, struct dentry *dentry,
- int mask)
+ struct vfsmount *mnt, int mask)
{
return 0;
}
--- a/security/security.c
+++ b/security/security.c
@@ -379,11 +379,12 @@ int security_inode_symlink(struct inode
return security_ops->inode_symlink(dir, dentry, old_name);
}
-int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+int security_inode_mkdir(struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt, int mode)
{
if (unlikely(IS_PRIVATE(dir)))
return 0;
- return security_ops->inode_mkdir(dir, dentry, mode);
+ return security_ops->inode_mkdir(dir, dentry, mnt, mode);
}
int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2442,7 +2442,8 @@ static int selinux_inode_symlink(struct
return may_create(dir, dentry, SECCLASS_LNK_FILE);
}
-static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry, int mask)
+static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry,
+ struct vfsmount *mnt, int mask)
{
return may_create(dir, dentry, SECCLASS_DIR);
}
--
--
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