On 14/01/2021 17:30 Filidor Wiese fili@fili.nl wrote:
Hi, I'm trying to convert my existing users to a more modern password scheme by following the how-to at https://wiki.dovecot.org/HowTo/ConvertPasswordSchemes. One of the steps is to include the use of '%w' in the password_query, like so:
password_query =
SELECT domain, password, '%w' AS userdb_plain_pass,
domain as userdb_domain, concat('*:storage=', quota) AS userdb_quota_rule, 5000 as userdb_uid, 5000 as userdb_gid, '/home/%d/%n' as userdb_home
FROM users WHERE (catch='%n' AND domain='%d') and also to configure: userdb { driver = prefetch } in order to combine the user/password_query into one. Now that all seemed to work well, except for one thing. When a user has a % sign in their password, the following error occurs: Error: Failed to expand plugin setting plain_pass = 'Tfew3322gYEp$%5Qjk0': Unknown variable '%Q'Which indicates that dovecot is trying to expand variables in the password. As a consequence, the login process fails. Is there some way around this behavior? Thanks in advance, Filidor Wiese
You might get better results with, say, base64 encoding the password. TO_BASE64() should work from 5.6 mysql. You can also try HEX encoding it.
Aki