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/attr.c | 4 ++-- include/linux/security.h | 8 ++++++-- security/dummy.c | 3 ++- security/security.c | 5 +++-- security/selinux/hooks.c | 5 +++-- 5 files changed, 16 insertions(+), 9 deletions(-) --- a/fs/attr.c +++ b/fs/attr.c @@ -159,13 +159,13 @@ int notify_change(struct dentry *dentry, down_write(&dentry->d_inode->i_alloc_sem); if (inode->i_op && inode->i_op->setattr) { - error = security_inode_setattr(dentry, attr); + error = security_inode_setattr(dentry, mnt, attr); if (!error) error = inode->i_op->setattr(dentry, attr); } else { error = inode_change_ok(inode, attr); if (!error) - error = security_inode_setattr(dentry, attr); + error = security_inode_setattr(dentry, mnt, attr); if (!error) { if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) || (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) --- a/include/linux/security.h +++ b/include/linux/security.h @@ -372,6 +372,7 @@ struct request_sock; * file attributes change (such as when a file is truncated, chown/chmod * operations, transferring disk quotas, etc). * @dentry contains the dentry structure for the file. + * @mnt is the vfsmount corresponding to @dentry (may be NULL). * @attr is the iattr structure containing the new file attributes. * Return 0 if permission is granted. * @inode_getattr: @@ -1251,7 +1252,8 @@ struct security_operations { int (*inode_readlink) (struct dentry *dentry); int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd); int (*inode_permission) (struct inode *inode, int mask, struct nameidata *nd); - int (*inode_setattr) (struct dentry *dentry, struct iattr *attr); + int (*inode_setattr) (struct dentry *dentry, struct vfsmount *mnt, + struct iattr *attr); int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry); void (*inode_delete) (struct inode *inode); int (*inode_setxattr) (struct dentry *dentry, char *name, void *value, @@ -1506,7 +1508,8 @@ int security_inode_rename(struct inode * int security_inode_readlink(struct dentry *dentry); int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd); int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd); -int security_inode_setattr(struct dentry *dentry, struct iattr *attr); +int security_inode_setattr(struct dentry *dentry, struct vfsmount *mnt, + struct iattr *attr); int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry); void security_inode_delete(struct inode *inode); int security_inode_setxattr(struct dentry *dentry, char *name, @@ -1874,6 +1877,7 @@ static inline int security_inode_permiss } static inline int security_inode_setattr (struct dentry *dentry, + struct vfsmount *mnt, struct iattr *attr) { return 0; --- a/security/dummy.c +++ b/security/dummy.c @@ -325,7 +325,8 @@ static int dummy_inode_permission (struc return 0; } -static int dummy_inode_setattr (struct dentry *dentry, struct iattr *iattr) +static int dummy_inode_setattr (struct dentry *dentry, struct vfsmount *mnt, + struct iattr *iattr) { return 0; } --- a/security/security.c +++ b/security/security.c @@ -412,11 +412,12 @@ int security_inode_permission(struct ino } EXPORT_SYMBOL(security_inode_permission); -int security_inode_setattr(struct dentry *dentry, struct iattr *attr) +int security_inode_setattr(struct dentry *dentry, struct vfsmount *mnt, + struct iattr *attr) { if (unlikely(IS_PRIVATE(dentry->d_inode))) return 0; - return security_ops->inode_setattr(dentry, attr); + return security_ops->inode_setattr(dentry, mnt, attr); } int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry) --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2275,11 +2275,12 @@ static int selinux_inode_permission(stru file_mask_to_av(inode->i_mode, mask), NULL); } -static int selinux_inode_setattr(struct dentry *dentry, struct iattr *iattr) +static int selinux_inode_setattr(struct dentry *dentry, struct vfsmount *mnt, + struct iattr *iattr) { int rc; - rc = secondary_ops->inode_setattr(dentry, iattr); + rc = secondary_ops->inode_setattr(dentry, mnt, iattr); if (rc) return rc; -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/