[Dspam-devel] [ dspam-Bug Tracker-3536088 ] dot stuffing bug

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Bug Tracker item #3536088, was opened at 2012-06-18 11:27
Message generated for change (Comment added) made by sbajic
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Category: daemon
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: polaris1 (polaris1)
Assigned to: Nobody/Anonymous (nobody)
Summary: dot stuffing bug

Initial Comment:
I tried this in both 3.9.0 and in 3.10.1 with similar results.

I run dspam in client/daemon mode ( daemon is 3.10.1, clients I tried both 3.9.0 and 3.10.1 )

DSPAM is invoked from C with these arguments: dspam --client --user myuser --deliver=innocent,spam --stdout while the message is being fed in through stdin.

I have a copy of the message and the relevant part is here:

--_000_9D6F18858B1E854EBC490A2C24C011D629FA52B099SERVER02Royal_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Dear Daniela,

According to Michela, I will send the loading schedule for next week to you=
.

Hello World, how are you


quoted printable only allows 76 characters per line and as it happens, that line ends with a dot on the 77th character thus putting it on a new line ( what are the odds, right ? )

situation can be reproduced like this: cat messagefile | dspam --client --user myuser --deliver=innocent,spam --stdout

For that message, the output will stop at 'next week to you='.

If I modify the message to stuff the dot manually (..) it will output:


--_000_9D6F18858B1E854EBC490A2C24C011D629FA52B099SERVER02Royal_
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

Dear Daniela,

According to Michela, I will send the loading schedule for next week to you=
..

Hello World, how are you


Obviously something is wrong. I see that dspam has dot stuffing mechanisms in client.c but it's obviously not working. Is it because of the quoted printable ?

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>Comment By: Stevan Bajic (sbajic)
Date: 2012-06-18 11:54

Message:
I am not really sure if this is a bug or not. Actually the application
sending data to DSPAM is responsible for doing the dot stuffing. In your
case you use cat to pipe the message to DSPAM. So 'cat' should do the dot
stuffing. Correct me if you see that differently.

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