[Dovecot] Dovecot auth process delays exiting if LDAPS passdb used

[Timo Sirainen]

On 11.6.2012, at 18.24, SATOH Fumiyasu wrote:

> If an auth client remains a connection to dovecot/auth,
> dovecot/auth does NOT exit immediately when dovecot master exits.

Ah, now we're getting somewhere :) Yes, this is correct and intentional. But it should still close the listeners, so this shouldn't happen:

May 24 00:42:10 build-aix6 mail:err|error dovecot: master: Error: service(auth): Socket already exists: /opt/osstech/var/run/dovecot/auth-login

> (1) Install Postfix and Dovecot.
> 
>      # apt-get install postfix dovecot
> 
> (2) Configure Postfix /etc/postfix/main.cf with the following:
> 
>      smtpd_sasl_auth_enable = yes
>      smtpd_sasl_security_options =
>      smtpd_sasl_type = dovecot
>      smtpd_sasl_path = private/auth
> 
> (3) Configre Dovecot /etc/dovecot/conf.d/10-master with the following:
> 
>      service auth {
>        unix_listener auth-userdb {
>        }
>        unix_listener /var/spool/postfix/private/auth {
>          mode = 0666
>        }
>      }
> 
> (4) Start postfix and dovecot service.
> 
>  # /etc/init.d/dovecot start
>  # /etc/init.d/postfix start
> 
> (5) Invoke Postfix smtpd(8), it connects to dovecot/auth socket.
> 
>      $ telnet localhost 25
>      Trying 127.0.0.1...
>      Connected to localhost.
>      Escape character is '^]'.
>      220 sugar.osstech.co.jp ESMTP Postfix
>      AUTH PLAIN dummy
>      535 5.7.8 Error: authentication failed:
>      QUIT
>      221 2.0.0 Bye
>      Connection closed by foreign host.
> 
>    Or use netcat-openbsd to connect to dovecot/auth socket:
> 
>      # nc.openbsd -U /var/spool/postfix/private/dovecot-auth &
> 
> (6) Stop dovecot service.
> 
>  # /etc/init.d/dovecot stop

And (7) /etc/init.d/dovecot start fails?