pam authentication
Aki Tuomi
aki.tuomi at dovecot.fi
Tue Sep 5 14:34:03 EEST 2017
Try configuring like this:
passdb {
args = scheme=SHA256 username_format=%u /etc/dovecot/users
driver = passwd-file
}
passdb {
driver = static
args = username=%n noauthenticate
skip = authenticated
}
passdb {
driver = pam
skip = authenticated
}
On 05.09.2017 14:29, Pol Hallen wrote:
> Sure :) thanks
>
> cat /var/log/dovecot/[...]
>
> Sep 05 13:26:02 auth: Debug: auth client connected (pid=30131)
> Sep 05 13:26:02 auth: Debug: client in: AUTH 1 PLAIN
> service=imap secured session=JK0Bfm9YuqfAqAFk
> lip=192.168.1.100 rip=192.168.1.100 lport=143
> rport=42938 resp=AG1heEBmdWNrYXJvdW5kLm9yZwBQYW5kb3JhMjAwMA==
> (previous base64 data may contain sensitive data)
> Sep 05 13:26:02 auth-worker(30088): Debug:
> pam(user00 at realsystem.org,192.168.1.100,<JK0Bfm9YuqfAqAFk>): lookup
> service=username_format=user00
> Sep 05 13:26:02 auth-worker(30088): Debug:
> pam(user00 at realsystem.org,192.168.1.100,<JK0Bfm9YuqfAqAFk>): #1/1
> style=1 msg=Password:
> ==> /var/log/dovecot.info <==
> Sep 05 13:26:04 auth-worker(30088): Info:
> pam(user00 at realsystem.org,192.168.1.100,<JK0Bfm9YuqfAqAFk>):
> pam_authenticate() failed: Authentication failure (password mismatch?)
> (given password: pass)
> ==> /var/log/dovecot.debug <==
> Sep 05 13:26:04 auth: Debug:
> passwd-file(user00 at realsystem.org,192.168.1.100,<JK0Bfm9YuqfAqAFk>):
> lookup: user=user00 at realsystem.org file=/etc/dovecot/users
> ==> /var/log/dovecot.info <==
> Sep 05 13:26:04 auth: Info:
> passwd-file(user00 at realsystem.org,192.168.1.100,<JK0Bfm9YuqfAqAFk>):
> unknown user (given password: pass)
> ==> /var/log/dovecot.debug <==
> Sep 05 13:26:06 auth: Debug: client passdb out: FAIL 1
> user=user00 at realsystem.org
> ==> /var/log/dovecot.info <==
> Sep 05 13:26:06 imap-login: Info: Disconnected (auth failed, 1
> attempts in 4 secs): user=<user00 at realsystem.org>, method=PLAIN,
> rip=192.168.1.100, lip=192.168.1.100, secured
>
> doveconf -n
>
> # 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.4.16 (fed8554)
> # OS: Linux 4.9.0-3-amd64 x86_64 Debian 9.1
> auth_debug = yes
> auth_debug_passwords = yes
> auth_mechanisms = login plain
> auth_verbose = yes
> auth_verbose_passwords = yes
> debug_log_path = /var/log/dovecot.debug
> disable_plaintext_auth = no
> info_log_path = /var/log/dovecot.info
> login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c
> mail_debug = yes
> mail_home = /home/vmail/%d/%n/Maildir
> mail_location = maildir:~/Maildir
> mail_plugins = " quota quota"
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope
> encoded-character vacation subaddress comparator-i;ascii-numeric
> relational regex imap4flags copy include variables body enotify
> environment mailbox date index ihave duplicate mime foreverypart
> extracttext imapflags notify
> namespace inbox {
> inbox = yes
> location =
> mailbox Drafts {
> special_use = \Drafts
> }
> mailbox Junk {
> special_use = \Junk
> }
> mailbox Sent {
> special_use = \Sent
> }
> mailbox "Sent Messages" {
> special_use = \Sent
> }
> mailbox Trash {
> special_use = \Trash
> }
> prefix =
> subscriptions = yes
> type = private
> }
> passdb {
> args = username_format=%n
> driver = pam
> }
> passdb {
> args = scheme=SHA256 username_format=%u /etc/dovecot/users
> driver = passwd-file
> }
> plugin {
> mail_log_events = delete undelete expunge copy mailbox_delete
> mailbox_rename append flag_change
> mail_log_fields = uid box msgid size from subject vsize
> quota = maildir:User quota
> quota_rule = *:storage=10000M
> quota_rule2 = Junk:storage=+100M
> quota_rule3 = SPAM:storage=+100M
> quota_warning = storage=90%% quota-warning 90 %u
> sieve = file:~/sieve;active=~/.dovecot.sieve
> sieve_extensions = +notify +imapflags
> }
> protocols = " imap sieve pop3 sieve"
> quota_full_tempfail = yes
> service auth {
> unix_listener /var/spool/postfix/private/auth {
> group = postfix
> mode = 0666
> user = postfix
> }
> }
> service imap-login {
> inet_listener imap {
> port = 143
> }
> inet_listener imaps {
> port = 993
> ssl = yes
> }
> }
> service managesieve-login {
> inet_listener sieve {
> port = 4190
> }
> service_count = 1
> vsz_limit = 64 M
> }
> service pop3-login {
> inet_listener pop3 {
> port = 110
> }
> inet_listener pop3s {
> port = 995
> ssl = yes
> }
> }
> service quota-warning {
> executable = script /root/bin/quota-warning.sh
> unix_listener quota-warning {
> mode = 0666
> user = vmail
> }
> user = root
> }
> ssl_cert = </etc/dovecot/dovecot.pem
> ssl_dh_parameters_length = 2048
> ssl_key = # hidden, use -P to show it
> userdb {
> driver = passwd
> }
> userdb {
> args = scheme=SHA256 username_format=%u /etc/dovecot/users
> driver = passwd-file
> }
> userdb {
> args = uid=vmail gid=vmail home=/home/vmail/%d/%n
> driver = static
> }
> verbose_proctitle = yes
> protocol lda {
> mail_plugins = " quota quota sieve quota"
> }
> protocol imap {
> mail_plugins = " quota quota imap_quota"
> }
>
>
>
>
> On 2017-09-05 13:01, Aki Tuomi wrote:
>
>> Can you provide
>>
>> doveconf -n (with the new config)
>>
>> enable auth_debug=yes, auth_verbose=yes and provide logs from
>> authentication attempt?
>>
>> Aki
>>
>> On 05.09.2017 13:37, Pol Hallen wrote: thanks Aki, but with all your
>> advices I've same problem: in the logs
>> always I see the authentication with user and domain name, so dovecot
>> doesn't accept it
>>
>> any idea?
>>
>> thanks!
>>
>> Pol
>>
>> On 2017-09-05 10:58, Aki Tuomi wrote:
>>
>> Oh right, you need to do it like this...
>>
>> after the passwd-file drivers add
>>
>> passdb {
>> driver = static
>> args = username=%n noauthenticate
>> }
>>
>> Aki
>>
>> On 05.09.2017 11:03, Pol Hallen wrote: Hello, thanks for your reply
>>
>> I already tried with:
>>
>> username_format=%n or auth_username_format=%n but I've same problem
>>
>> Pol
>>
>> passdb {
>> driver = pam
>> args = username_format=%n
>> }
>>
>> also you probably want to consider using driver=passwd instead, if you
>> really don't need pam due to some special plugins.
>>
>> Aki
>
>
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