WinSCP

Copying files

© 2012 Dennis Leeuw dleeuw at made-it dot com
License: GPLv2 or later

Index

1. WinSCP mask

When one copies files from Windows to Linux (e.g. by using WinSCP), there is a mismatch in rights and users. Copying directories always seems to work fine, even when using ACLs. However file permissions often give problems. There are two scenarios how rights influence the creation of new files:

• If the parent directory does not have a default ACL, the permission bits as defined by the umask are subtracted from the permissions as passed by the mode parameter, with the result being assigned to the new object.
• If a default ACL exists for the parent directory, the permission bits assigned to the new object correspond to the overlapping portion of the permissions of the mode parameter and those that are defined in the default ACL. The umask is disregarded in this case.

In a directory with the following ACLs:

user::rwx
group::r-x
group:admin:rwx
mask::rwx
other::---
default:user::rwx
default:group::r-x
default:group:admin:rwx
default:mask::rwx
default:other::---

user::rw-
group::r-x                      #effective:r--
group:maadmin:rwx               #effective:rw-
mask::rw-
other::---

user::rwx
group::r-x
group:maadmin:rwx
mask::rwx
other::rwx