On Thu, 27 Feb 2003, Andrew DeFaria wrote:
> I really wish I understood Windows security and ACLs, etc and how they
> map or don't map to Cygwin's Posix file permissions but alas I don't.
> Can somebody explain to me the following:
>
> On my Windows XP box at home I can easily manipulate permissions:
>
> [Home XP]: touch file
> [Home XP]: ls -l file
> -rw-rw-r-- 1 Andrew DeFaria 0 Feb 27 15:13 file
> [Home XP]: chmod 777 file
> [Home XP]: ls -l file
> -rwxrwxrwx 1 Andrew DeFaria 0 Feb 27 15:13 file*
>
> However on my work XP box:
>
> [Work XP]: touch file
> [Work XP]: ls -l file
> -rw-r--r-- 1 adefaria Domain U 0 Feb 27 15:18 file
> [Work XP]: chmod 777 file
> [Work XP]: ls -l file
> -rw-r--r-- 1 adefaria Domain U 0 Feb 27 15:18 file
>
> Now I'm wondering why I can chmod here?!? The only difference that I see
> is that at home my home directory is simply on my C drive and I'm not in
> a domain while at work my home directory is mapped from a server to my H
> drive. I know that this oddity is happening because Windows permissions
> are not equal to Posix permissions and I've tried everything I know how
> to do to get Windows to allow me to open up the permissions from a Posix
> perspective. Anybody know how I could get it so that a chmod 666 file
> will actually yield me a rw-rw-rw mask?
Andrew,
I have experienced similar symptoms on SAMBA drives. Try comparing the
output of "id" with the numbers in the "ls -ln" output. I have a feeling
either your /etc/passwd is not up to date on your work machine (i.e., you
forgot to do "mkpasswd -d -u adefaria >> /etc/passwd"), or you log in as a
different user than the one that owns the file (e.g., you log in as a
local user, and the file is owned by the domain user [possibly with the
same name]).
Igor
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