Re: anonymous ftp

[Corinna Vinschen <cygwin at cygwin dot com>]

On Thu, Mar 29, 2001 at 10:25:30AM +0200, Jacek Trzcinski wrote:
> Hi !
> I have just testing setting anonymous ftp under cygwin. I have few
> remarks
> 1) My "ftp" user has to posses the same uid as user "guest" but gid may
> be any. if uid is not equal
>    to "guest" uid then error "can not set uid" appeared under ftp
> client. In description concerning ftp
>    daemon there was example where ftp user had uid=100 and gid=10. It of
> course does not work at me.
>    Where is mistake ?

Sorry, I don't understand your description.

> 2) Rights problem. I utilize in my system "ntsec" switch. When I'm
> logging via ftp to my cygwin ftp daemon as for example user "jacek" ,
> rights to files and directories displaying by "ls -al" seem to look OK.
> If locally being "root" I set owner as "root" and group as "root" to any
> file or directory , ls for ftp user "jacek" displays it but... even if
> only user "root" has right to write to any file and directory and "root"
> is its owner , I can as a user "jacek" via ftp to delete this file or
> directory !!!

Is your user `jacek' member of the administrators group?

> If I'm logging to my ftpd daemon as a "anonymous" user then "ls -al"
> shows that owner of the file is not "root" but "guest" !!! and group is
> not "root" but "Administ". Without any problem I can delete
> anything !!!. Where are errors ?

anonymous ftp does work in a chroot environment. If you don't duplicate
the /etc/passwd file to /home/ftp/etc/passwd, Cygwin can't determine
the user info correctly. I'm not quite sure why it may delete everything.
Does it have ownership and write access to it's own home dir?

> Here I show my passwd file

I'm missing /etc/group. It's not that important but it sometimes
helps to analyze the situation.

Corinna

> 
> root::0:0:root for
> cygwin,U-Administrator,S-1-5-21-1309239993-2107901829-782984527-500:/home/root:/bin/bash
> SYSTEM:*:18:18:,S-1-5-18::
> Administratorzy:*:544:544:,S-1-5-32-544::
> Administrator::500:513:,S-1-5-21-1309239993-2107901829-782984527-500:/home/Administrator:/bin/false
> guest::501:513:,S-1-5-21-1309239993-2107901829-782984527-501:/home/guest:/bin/false
> IUSR_JNTPRACA::1010:513:Konto Internet
> Guest,S-1-5-21-1309239993-2107901829-782984527-1010:/home/IUSR_JNTPRACA:/bin/false
> jacek::1004:513:Jacek
> TrzciDski,S-1-5-21-1309239993-2107901829-782984527-1004:/home/jacek:/bin/bash
> ftp::501:10:anonymous ftp for
> cygwin,U-guest,S-1-5-21-1309239993-2107901829-782984527-501:/home/ftp:/bin/bash
> 
> 
> Thanks in advance
> Jacek
> 
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Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin@cygwin.com
Red Hat, Inc.

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