Hi there,
I'm configuring my LAN clients to inject outgoing emails into my central
mail hub through tmda-ofmipd SMTP proxy at port 8025 (could be
anything), so to let them benefit from the "tagged messages" machanism.
I'm using DJB's tcpserver and supervise well understood mechanisms
(ucspi-tcp + daemontools packages).
My (simplified) supervise script for tmda-ofmipd is as follows :
hostname=$(dnsdomainname)
exec 2> /dev/null
exec \
envuidgid tofmipd \
tcpserver -DUv -l "$hostname" \
-Xx /etc/tcpcontrol/ofmip.cdb \
0 8025 *fixcrio* /usr/local/tmda/bin/tmda-ofmipd -f -1 -P -A
"/bin/checkpassword /bin/true"
I get the following error when trying a telnet client session at the
command line :
/*error: uncaptured python exception, closing channel
<__main__.SMTPChannel connected at -0x4857f9d4> (socket.error:(88,
'Socket operation on non-socket')
[/usr/lib/python2.4/asynchat.py|initiate_send|219]
[/usr/lib/python2.4/asyncore.py|send|332])*/
This error disappears by itself if I omit the DJB's fixcrio program,
which I'm using for qmail-smtpd.
Since tmda-ofmipd is acting as a protocol-level SMTP proxy server, in a
way I thought identical to qmail-smtpd, I thought I could be using
fixcrio here too. That is not the case, and one should be careful about
this deceptive issue, rather difficult to pin point ;-)
I went thru tmda-ofmipd Python's code and the problem seems linked with
the push method of the class SMTPChannel when used in the mode
TMDAProxyProcessor(TMDAProxy, SMTPProcessor). I did not go any farther.
Does someone understand the deadly interaction between DJB's fixcrio
program and tmda-ofmipd in true one_session mode ?
Thank you.
Dr. Franck PORCHER
PS. TMDA is truly awsome in its way, so elegant. An immense thank to its
authors.
--
Franck Porcher, Docteur ès Sciences (Paris VI), Informatique théorique
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