This is needed for computing pathnames in the AppArmor LSM. Signed-off-by: Tony Jones Signed-off-by: Andreas Gruenbacher Signed-off-by: John Johansen --- 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 @@ -2032,7 +2032,7 @@ 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 @@ -322,6 +322,7 @@ 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: @@ -1243,7 +1244,8 @@ 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); @@ -1500,7 +1502,8 @@ 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, @@ -1833,6 +1836,7 @@ 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 @@ -285,7 +285,7 @@ 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 @@ -359,11 +359,12 @@ 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 @@ -2215,7 +2215,8 @@ 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); } --