Extracting CLIENTID information from checkpassword or postlogin scripting
Dan Conway
darkc0de at archnix6.net
Mon Jan 17 19:25:08 UTC 2022
Hello,
When extracting client_id information from the client connection (i.e.
setting imap_id_log = *) the information is directly logged by Dovecot
as such:
ID sent: name=Thunderbird, version=91.5.0
My question is, Is it possible to export/set this information in a
checkpassword script or a postlogin script?
client_id
If|imap_id_retain|
<https://doc.dovecot.org/settings/core/#core_setting-imap_id_retain>is
enabled this variable is populated with the client ID request as IMAP
arglist.
I've enabled both checkpassword and postlogin on a test server, as well
as 'imap_id_retain' set to 'yes'. I wrote a simple Perl script that
dumps everything in %ENV as well as @ARGV for checkpassword and
postlogin, but I don't see any occurrences of ID information. I've also
tried to see if I could supply that variable in dovecot.conf by setting
'client_id' as a parameter, but that didn't seem to do the trick either.
passdb {
...
# Doesn't work
args = /usr/local/bin/checkpassword.pl client_id
# Doesn't work
args = /usr/local/bin/checkpassword.pl %{client_id}
...
}
What am I missing? Is it possible to get these variables into an
external script that checkpassword or postlogin executes?
Thanks.
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