dovecot auth error: Illegal seek

[Aki Tuomi]

> On 30 March 2018 at 15:11 panetta <panetta at mat.unical.it> wrote:
> 
> 
> Hi,
> 
> I recently configured dovecot to manage auth
> for both local and virtual user.
> When i login as a virtual user (claudio.panetta) I get the following 
> message:
> 
> dovecot: auth: Error: 
> passwd(claudio.panetta,160.97.62.1,<WLjlnZ9oRACgYT4B>): getpwnam() 
> failed: Illegal seek
> 
> but login is ok and sending/receiving email is ok,
> how can, if possible, I suppress this error message?
> 
> In the following my dovecot config:
> 
> host-prompt# dovecot -n
> # 2.1.7: /etc/dovecot/dovecot.conf
> # OS: Linux 3.2.0-5-686-pae i686 Debian 7.11
> auth_mechanisms = plain login
> auth_username_format = %Ln
> listen = *
> log_timestamp = "%Y-%m-%d %H:%M:%S "
> login_greeting = Server ready.
> mail_full_filesystem_access = yes
> mail_location = mbox:~/:INBOX=/var/mail/%u:INDEX=/var/index/%u
> mail_privileged_group = mail
> passdb {
>    driver = pam
> }
> passdb {
>    args = scheme=MD5-CRYPT username_format=%n /etc/dovecot/users
>    driver = passwd-file
> }
> protocols = " imap"
> service auth {
>    unix_listener /var/spool/postfix/private/auth {
>      group = postfix
>      mode = 0660
>      user = postfix
>    }
>    user = root
> }
> service imap-login {
>    inet_listener imap {
>      port = 0
>    }
> }
> ssl_cert = </etc/ssl/certs/chained-cert-9599-ml.mat.unical.it.pem
> ssl_key = </etc/ssl/private/csrkey-ml.mat.unical.it.pem
> userdb {
>    driver = passwd
> }
> userdb {
>    args = username_format=%n /etc/dovecot/users uid=vmail gid=vmail 
> home=/var/vmail/%d/%n mail=maildir:/var/vmail/%d/%n/Maildir
>    driver = static
> }
> verbose_proctitle = yes
> 
> host-prompt# cat /etc/dovecot/users
> claudio.panetta:{MD5-CRYPT}$1$abcdefghijklmnopqrst
> ciccio.pasticcio:{MD5-CRYPT}$1$abcdefghijklmnopqrst
> 
> Regards,
> Claudio
> 
>

Hi! Put the file based passdb before the pam one. Also not sure what you are trying to do with the static userdb. It looks like you wanted to use passwd-file?

Aki