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http://bugs.exim.org/show_bug.cgi?id=667
Summary: Dovecot authentication bug - missing close
Product: Exim
Version: 4.69
Platform: Other
OS/Version: All
Status: NEW
Severity: bug
Priority: medium
Component: SMTP Authentication
AssignedTo: nigel@???
ReportedBy: nigel@???
CC: exim-dev@???
On Jul 31, 2007 11:42 AM, Chris Laif <chris.laif@???> wrote:
Hi.
I'm using SMTP auth with Exim authenticating against Dovecot's auth
socket. The (excellent) SMTP test tool "swaks"
(
http://jetmore.org/john/code/#swaks) tries multiple auth mechanismus
consecutively which leads to the following message in Dovecot's log
file:
Error: auth(default): BUG: Authentication client gave a PID 6738 of
existing connection
This bug can be fixed by adding a "close(fd);" in src/auths/dovecot.c.
Without the close()-call Exim does not shut down the connection and a
subsequent connection (announcing the same client PID during
handshake) will fail. You'll most likely see the above warning message
if a SMTP client tries multiple auth mechanisms with a wrong password.
Would be nice to have this fixed upstream in the Exim source.
Please also have a look at:
http://www.exim.org/lurker/message/20071127.164551.f35ace1e.ja.html
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