User authentication using local file

[Horst Simon]

Thanks will try when I get time

> On 23 Mar 2023, at 15:54, Duc Anh Do <doducanh2710 at gmail.com> wrote:
> 
> Hi,
> 
> There is a note in the document: For a password database it’s enough to have only the user and password fields. For a user database, you need to set also uid, gid and preferably also home (see VirtualUsers). (gecos) and (shell) fields are unused by Dovecot.
> You can leave empty what you don't need.
> 
> On Thu, 23 Mar 2023 at 11:09, Horst Simon <horst.simon2 at icloud.com <mailto:horst.simon2 at icloud.com>> wrote:
>> I am not sure if I understand it correctly, that this configuration is for each user has its mailbox in its home directory. This is not my intention, I have in 10-mail.conf the mailloration configured as:
>> mail_location = maildir:/opt/local/var/spool/dovecot/%u:LAYOUT=fs
>> 
>> 
>>> On 23 Mar 2023, at 12:37, Duc Anh Do <doducanh2710 at gmail.com <mailto:doducanh2710 at gmail.com>> wrote:
>>> 
>>> Hi,
>>> 
>>> The args parameter of userdb contains scheme, username format and location of the password file. Please take a look this link https://doc.dovecot.org/configuration_manual/authentication/passwd_file/
>>> 
>>> For example, mine is:
>>> userdb {
>>>   driver = passwd-file
>>>   args = username_format=%u /etc/dovecot/imap.passwd
>>> }
>>> 
>>> $ head /etc/dovecot/imap.passwd
>>> to at localhost.local:{plain}1:vmail:vmail::::userdb_mail=mdbox:~/Mdbox/%d/%n:INDEX=~/indexes/%d/%n
>>> 
>>> On Thu, 23 Mar 2023 at 05:08, Horst Simon <horst.simon2 at icloud.com <mailto:horst.simon2 at icloud.com>> wrote:
>>>> OS environment:
>>>> 
>>>> Linux qnap-nas 5.10.60-qnap #1 SMP Thu Jan 12 04:39:10 CST 2023 x86_64 GNU/Linux
>>>> 
>>>> I enabled  "auth-passwdfile.conf.ext” in 10-auth.conf
>>>> #!include auth-deny.conf.ext
>>>> #!include auth-master.conf.ext
>>>> #!include auth-system.conf.ext
>>>> #!include auth-sql.conf.ext
>>>> #!include auth-ldap.conf.ext
>>>> !include auth-passwdfile.conf.ext
>>>> #!include auth-checkpassword.conf.ext
>>>> #!include auth-static.conf.ext
>>>> 
>>>> In this file I have following entries and I don’t know what to enter for userdb 
>>>> 
>>>> passdb {
>>>>   driver = passwd-file
>>>>   args = /opt/local/etc/dovecot/users
>>>> }
>>>> 
>>>> userdb {
>>>>   driver = passwd-file
>>>>   #args = username_format=%u /opt/local/etc/dovecot/users
>>>> 
>>>>   # Default fields that can be overridden by passwd-file
>>>>   #default_fields = quota_rule=*:storage=1G
>>>> 
>>>>   # Override fields from passwd-file
>>>>   #override_fields = home=/home/virtual/%u
>>>> }
>>>> 
>>>> In the users file I have 2 users defined as follow:
>>>> user1:{SSHA512}<encrypted password>::::::
>>>> user2:{SSHA512}<encrypted password::::::
>>>> 
>>>> Dovecot gives following error message on startup:
>>>> Mar 23 08:50:30 master: Info: Dovecot v2.3.20 (80a5ac675d) starting up for imap, lmtp, sieve (core dumps disabled)
>>>> Mar 23 08:50:30 auth: Debug: Loading modules from directory: /opt/local/lib/dovecot/auth
>>>> Mar 23 08:50:30 auth: Debug: Module loaded: /opt/local/lib/dovecot/auth/lib20_auth_var_expand_crypt.so
>>>> Mar 23 08:50:30 auth: Fatal: userdb passwd-file: Missing args
>>>> 
>>>> I don’t know what arguments I have to enter for userdb
>>>> 
>>>> Horst
>>>> 
>>>> > On 22 Mar 2023, at 23:00, Narcis Garcia 
>>>> > 
>>>> > Please, specify OS environment, Dovecot version, and what options did 
>>>> > you try.
>>>> > 
>>>> > 
>>>> > El 22/3/23 a les 4:52, Horst Simon ha escrit:
>>>> >> I try to configure to have user authenticate to a local file called 
>>>> >> users, with their mailboxes in ../../spool/dovecot, not in their home 
>>>> >> directories. I have this working correctly with pam authentication on 
>>>> >> different servers(openSuse and macOS). This server has no pam 
>>>> >> authentication so I need to use a local file, but I can not make any 
>>>> >> sense of the documentation, can someone please help on which files I 
>>>> >> need to change and to which values.
>>>> >> I tried several options but getting all kind of errors with UID.
>>>> >> 
>>>> >> Horst
>>>> >> 
>>>> > 
>>>> > -- 
>>>> > 
>>>> > Narcis Garcia
>>>> > 
>>>> > __________
>>>> > I'm using this dedicated address because personal addresses aren't 
>>>> > masked enough at this mail public archive. Public archive administrator 
>>>> > should fix this against automated addresses collectors.
>>>> > 
>>>> > 
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>>>> > 
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>>>> > 
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>>>> > ------------------------------
>>>> > 
>>>> > End of dovecot Digest, Vol 239, Issue 36
>>>> > ****************************************
>>>> 
>> 

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