dovecot - Apr 2007 - Trying to modify the source - fopen problems

Hello all,

I don't know if this needs to be sent to a different list or not, if so, 
please let me know.

Anyways, I'm trying to modify the dovecot source a bit, but the problem 
I'm having is that whenever I use "fopen", it always returns NULL.
I've
tried a variety of things, even fopen("/dev/null", "w") --
because that
should almost always work.  I'm trying to get it to work in 
src/pop3-login/client-authenticate.c

Any idea why this might be happening?  Any suggestions as to where to 
put the code instead?  (I'm trying to check the username against some 
information in a file OR pass the username to a process and have it do 
the work)

Thanks,
Phillip

On Fri, 2007-04-27 at 08:58 -0500, Phillip T. George
wrote:
> Anyways, I'm trying to modify the dovecot source a bit, but the problem
> I'm having is that whenever I use "fopen", it always returns
NULL.  I've
> tried a variety of things, even fopen("/dev/null", "w")
-- because that
> should almost always work.  I'm trying to get it to work in 
> src/pop3-login/client-authenticate.c
pop3-login is chrooted, so there's no /dev. You could of course set
login_chroot=no
> Any idea why this might be happening?  Any suggestions as to where to 
> put the code instead?  (I'm trying to check the username against some 
> information in a file OR pass the username to a process and have it do 
> the work)
dovecot-auth would be the correct place to do the authentication. Maybe
you want to use a checkpassword script
(http://wiki.dovecot.org/PasswordDatabase/CheckPassword).

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