Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 04:02:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

fuse: support idmapped ->set_acl

Browse Source 
It's just a matter of adjusting a permission check condition
for S_ISGID flag. All the rest is already handled in the generic
VFS code.

Notice that this permission check is the analog of what
we have in posix_acl_update_mode() generic helper, but
fuse doesn't use this helper as on the kernel side we don't
care about ensuring that POSIX ACL and CHMOD permissions are in sync
as it is a responsibility of a userspace daemon to handle that.
For the same reason we don't have a calls to posix_acl_chmod(),
while most of other filesystem do.

Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Alexander Mikhalitsyn 2024-09-03 17:16:21 +02:00 committed by Miklos Szeredi
parent 4d833befa2
commit d395d0a5d2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/fuse/acl.c
View File

@ -144,8 +144,8 @@ int fuse_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
* be stripped. * be stripped.
*/ */
if (fc->posix_acl && if (fc->posix_acl &&
!in_group_or_capable(&nop_mnt_idmap, inode, !in_group_or_capable(idmap, inode,
i_gid_into_vfsgid(&nop_mnt_idmap, inode))) i_gid_into_vfsgid(idmap, inode)))
extra_flags |= FUSE_SETXATTR_ACL_KILL_SGID; extra_flags |= FUSE_SETXATTR_ACL_KILL_SGID;
ret = fuse_setxattr(inode, name, value, size, 0, extra_flags); ret = fuse_setxattr(inode, name, value, size, 0, extra_flags);