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authorPhil Pennock <pdp@exim.org>2012-11-19 23:44:33 -0500
committerPhil Pennock <pdp@exim.org>2012-11-19 23:44:33 -0500
commit3f1df0e341c4ddc4add38fa97d9d34972655a6c7 (patch)
tree500b34d05ffe3a1e0d62c24a6023e66a9c6208da /src/OS/os.h-SCO
parente1d15f5e3b03bccb229281e762f9d47cf0933542 (diff)
Dovecot: robustness; better msg on missing mech.
If the dovecot protocol response doesn't include the MECH message for the SMTP AUTH protocol the client has requested, that's not a protocol failure, don't log it as such. Instead, explicitly log that it didn't advertise the mechanism we're looking for. This lets administrators fix either their Exim or their Dovecot configurations. Also: make the Dovecot handling more resistant to bad data from the auth server; handle too many fields with debug-log message to explain what's going on, permit lines of 8192 length per spec and detect if the line is too long, so that we can fail auth instead of becoming unsynchronised. Stop using the CUID from the server as the AUTH id counter. They're different, by my reading of the spec. TESTED: works against Dovecot 2.1.10. Thanks to Brady Catherman for reporting the problem with diagnosis.
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