pam authentication
Aki Tuomi
aki.tuomi at dovecot.fi
Tue Sep 5 14:54:28 EEST 2017
Sorry, small typo
passdb {
driver = static
args = user=%n noauthenticate
}
Aki
On 05.09.2017 14:51, Pol Hallen wrote:
> does not work :-/
>
> Sep 05 13:49:41 auth: Debug: auth client connected (pid=31115)
> Sep 05 13:49:41 auth: Debug: client in: AUTH 1 PLAIN
> service=imap secured session=IFCT0m9Y0KjAqAFk
> lip=192.168.1.100 rip=192.168.1.100 lport=143
> rport=43216
> resp=AHBvbGhhbGxlbkBmdWNrYXJvdW5kLm9yZwBQYW5kb3JhMjAwMA== (previous
> base64 data may contain sensitive data)
> Sep 05 13:49:41 auth: Debug:
> passwd-file(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> lookup: user=user00 at realdomain.org file=/etc/dovecot/users
> Sep 05 13:49:41 auth: Debug:
> static(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): lookup
> Sep 05 13:49:41 auth: Debug:
> static(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> Allowing any password
> Sep 05 13:49:41 auth: Debug:
> static(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): Not
> performing authentication (noauthenticate set)
> ==> /var/log/dovecot.info <==
> Sep 05 13:49:41 auth: Info:
> passwd-file(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> unknown user (given password: pass) - trying the next passdb
> ==> /var/log/dovecot.debug <==
> Sep 05 13:49:41 auth-worker(31116): Debug: Loading modules from
> directory: /usr/lib/dovecot/modules/auth
> Sep 05 13:49:41 auth-worker(31116): Debug: passwd-file
> /etc/dovecot/users: Read 4 users in 0 secs
> Sep 05 13:49:41 auth-worker(31116): Debug:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): lookup
> service=dovecot
> Sep 05 13:49:41 auth-worker(31116): Debug:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): #1/1
> style=1 msg=Password:
> ==> /var/log/dovecot.info <==
> Sep 05 13:49:42 auth-worker(31116): Info:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> pam_authenticate() failed: Authentication failure (password mismatch?)
> (given password: pass)
> ==> /var/log/dovecot.debug <==
> Sep 05 13:49:42 auth-worker(31116): Debug:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): lookup
> service=dovecot
> Sep 05 13:49:42 auth-worker(31116): Debug:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>): #1/1
> style=1 msg=Password:
> ==> /var/log/dovecot.info <==
> Sep 05 13:49:45 auth-worker(31116): Info:
> pam(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> pam_authenticate() failed: Authentication failure (password mismatch?)
> (given password: pass)
> ==> /var/log/dovecot.debug <==
> Sep 05 13:49:45 auth: Debug:
> passwd-file(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> lookup: user=user00 at realdomain.org file=/etc/dovecot/users
> ==> /var/log/dovecot.info <==
> Sep 05 13:49:45 auth: Info:
> passwd-file(user00 at realdomain.org,192.168.1.100,<IFCT0m9Y0KjAqAFk>):
> unknown user (given password: pass)
> ==> /var/log/dovecot.debug <==
> Sep 05 13:49:47 auth: Debug: client passdb out: FAIL 1
> user=user00 at realdomain.org
> Sep 05 13:49:47 imap-login: Debug: Ignoring unknown passdb extra field:
> ==> /var/log/dovecot.info <==
> Sep 05 13:49:47 imap-login: Info: Disconnected (auth failed, 1
> attempts in 6 secs): user=<user00 at realdomain.org>, method=PLAIN,
> rip=192.168.1.100, lip=192.168.1.100, secured
>
>
>
> On 2017-09-05 13:41, Aki Tuomi wrote:
>
>> No, you modify dovecot.conf
>>
>> Aki
>>
>> On 05.09.2017 14:40, Pol Hallen wrote: Do I modify
>> auth-system.conf.ext only (sorry for the question)
>>
>> if yes, I've same problem
>>
>> Pol
>>
>> On 2017-09-05 13:34, Aki Tuomi wrote:
>>
>> 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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