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Date: Mon, 12 Aug 2002 20:03:16 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Multiple users in fetchmail
Message-ID: <20020812200316.U17250@cygbert.vinschen.de>
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References: <20020811140204 DOT 3f1780c9 DOT jim DOT george AT blueyonder DOT co DOT uk> <20020812103113 DOT H17250 AT cygbert DOT vinschen DOT de> <20020812132847 DOT GB1928 AT tishler DOT net> <20020812153640 DOT R17250 AT cygbert DOT vinschen DOT de> <20020812151949 DOT GA2168 AT tishler DOT net>
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On Mon, Aug 12, 2002 at 11:19:49AM -0400, Jason Tishler wrote:
> On Mon, Aug 12, 2002 at 03:36:40PM +0200, Corinna Vinschen wrote:
> > On Mon, Aug 12, 2002 at 09:28:48AM -0400, Jason Tishler wrote:
> > > Grep-ing the fetchmail code, I get the following:
> > > 
> > >     $ grep 'set.*uid' *.c
> > >     sink.c:    seteuid(ctl->uid);
> > >     sink.c:    seteuid(0);
> > > 
> > > So, I presume that I will have to change the second hit above to:
> > > 
> > >     seteuid(18);
> > 
> > Better:
> > 
> >       uid_t orig_uid = getuid ();
> >       setuid (ctl->uid);
> > 
> >       [...]
> > 
> >       seteuid (orig_uid);
> 
> Thanks for the above suggestion -- it will be part of the final
> solution.
> 
> Unfortunately, I also have to teach fetchmail that a UID of 18 is
> equivalent to 0 (i.e., root) under Cygwin.  Without this "ctl->uid"
> above is always 18 and *not* the user's real UID.  It will take me some
> time to track this down...  And I hope that the fetchmail maintainer
> will accept such a patch...

I used a new define called ROOT_UID in two projects:

#ifdef __CYGWIN__
#define ROOT_UID 18
#else
#define ROOT_UID 0
#endif

Just a suggestion,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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