diff options
| author | Steve French <stfrench@microsoft.com> | 2019-07-19 10:15:55 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-09-16 18:43:37 +0200 |
| commit | 22442179a5bb8c62c978cdb686cfb3a8f6d110d8 (patch) | |
| tree | 514b8a191364f6537e755a9964ac90a777a9506a /fs/cifs/inode.c | |
| parent | cifs: get mode bits from special sid on stat (diff) | |
| download | linux-22442179a5bb8c62c978cdb686cfb3a8f6d110d8.tar.xz linux-22442179a5bb8c62c978cdb686cfb3a8f6d110d8.zip | |
cifs: allow chmod to set mode bits using special sid
When mounting with "modefromsid" set mode bits (chmod) by
adding ACE with special SID (S-1-5-88-3-<mode>) to the ACL.
Subsequent patch will fix setting default mode on file
create and mkdir.
See See e.g.
https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/hh509017(v=ws.10)
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/inode.c')
| -rw-r--r-- | fs/cifs/inode.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index c1e620ebcf7c..26cdfbf1e164 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -2489,7 +2489,8 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (attrs->ia_valid & ATTR_GID) gid = attrs->ia_gid; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { + if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) || + (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID)) { if (uid_valid(uid) || gid_valid(gid)) { rc = id_mode_to_cifs_acl(inode, full_path, NO_CHANGE_64, uid, gid); @@ -2510,7 +2511,8 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (attrs->ia_valid & ATTR_MODE) { mode = attrs->ia_mode; rc = 0; - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) { + if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) || + (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID)) { rc = id_mode_to_cifs_acl(inode, full_path, mode, INVALID_UID, INVALID_GID); if (rc) { |