Issue sharing folders with Thunderbird
Jason Perry
jason.perry at dtainc.us
Sat Nov 17 21:38:54 EET 2018
Hi,
Circling back around on this project. I hadn’t seen any replies but below is where I’m stuck. Any help would be much appreciated.
Thanks!
Jason
> On Sep 10, 2018, at 8:08 PM, Jason Perry <jason.perry at dtainc.us> wrote:
>
> Hi Aki I see what you are saying, and no I don’t believe so. I’m using typical /etc/passwd for the user db. I reviewed https://wiki.dovecot.org/UserDatabase/ExtraFields <https://wiki.dovecot.org/UserDatabase/ExtraFields> but I’m not clear on how to actually return system_user userdb attribute.
>
> I also have set mail_user_groups = sharedusers in dovecot.conf and then in /etc/group put all the users with mailboxes into the sharedusers group. I can see why that wouldn’t work if the above is not set. Can you point me in the right direction on how to pass that information?
>
> Thanks!
>
>> On Aug 28, 2018, at 12:40 AM, Aki Tuomi <aki.tuomi at dovecot.fi <mailto:aki.tuomi at dovecot.fi>> wrote:
>>
>> Are you returning system_user userdb attribute? Extra groups from /etc/group are not applied without this.
>>
>> ---
>> Aki Tuomi
>> Dovecot oy
>>
>> -------- Original message --------
>> From: Jason Perry <jason.perry at dtainc.us <mailto:jason.perry at dtainc.us>>
>> Date: 28/08/2018 04:27 (GMT+02:00)
>> To: Aki Tuomi <aki.tuomi at dovecot.fi <mailto:aki.tuomi at dovecot.fi>>
>> Cc: dovecot at dovecot.org <mailto:dovecot at dovecot.org>
>> Subject: Re: Issue sharing folders with Thunderbird
>>
>> Hi Aki, they are.
>>
>>> 3. The permissions for the file are:
>>> root at dal-notify-01 Maildir]# ls -la /var/lib/dovecot/db/shared-mailboxes.db
>>> -rw-rw-r--. 1 operations sharedusers 197 Aug 26 20:33 /var/lib/dovecot/db/shared-mailboxes.db
>>> 4. Users I'm testing with are part of the sharedusers group in /etc/group
>>
>> The dir /var/lib/dovecot/db has this for permissions:
>> drwsrwsrwx. 2 root sharedusers 33 Aug 27 21:12 db
>>
>> the user operations is a member of “sharedusers” in /etc/group. I even chmod’ed the permissions after to rw for global and I get the same error/result.
>>
>> The file does appear to get written to. For example, lets say user u2.name creates a folder called “starbucks” and uses the IMAP commands to share it out to user operations. It seems to write to the acl_shared_dict file in /var/lib/dovecot/db/shared-mailboxes.db with an entry like
>>> shared/shared-boxes/user/u2.name/operations
>>> 1
>>
>> And it writes to the ~/Maildir/.starbucks/dovecot-acl file for u2.user with an entry like:
>> user=operations lrw
>>
>> So it appears to be working. However, if I log into Thunderbird with the user operations account and go to subscribe, I do not see “starbucks” in the list of available folders. And I still get the nfs_flush_chown error.
>>
>> Is there anything else I can be doing with the file/dir permissions?
>>
>> Thanks.
>>
>>
>>> On Aug 27, 2018, at 10:50 AM, Aki Tuomi <aki.tuomi at dovecot.fi <mailto:aki.tuomi at dovecot.fi>> wrote:
>>>
>>> acl_shared_dict file & folder must be readwritable by user performing the sharing as stated in wiki.
>>>
>>> https://wiki.dovecot.org/SharedMailboxes/Shared <https://wiki.dovecot.org/SharedMailboxes/Shared>
>>> ---
>>> Aki Tuomi
>>> Dovecot oy
>>>
>>> -------- Original message --------
>>> From: Jason Perry <jason.perry at dtainc.us <mailto:jason.perry at dtainc.us>>
>>> Date: 27/08/2018 17:01 (GMT+02:00)
>>> To: dovecot at dovecot.org <mailto:dovecot at dovecot.org>
>>> Subject: Issue sharing folders with Thunderbird
>>>
>>> Trying to share folder "JasonAlerts" within mailbox operations to user u1.name
>>>
>>> Issues:
>>> 1. Shared mailboxes do not appear under subscriptions in Thunderbird for another user
>>> 2. When I try to set permissions via IMAP commands I get in /var/log/dovecot.log
>>> Aug 26 20:33:24 imap(operations): Error: nfs_flush_chown_uid: chown(/var/lib/dovecot/db) failed: Permission denied
>>> 3. The permissions for the file are:
>>> root at dal-notify-01 Maildir]# ls -la /var/lib/dovecot/db/shared-mailboxes.db
>>> -rw-rw-r--. 1 operations sharedusers 197 Aug 26 20:33 /var/lib/dovecot/db/shared-mailboxes.db
>>> 4. Users I'm testing with are part of the sharedusers group in /etc/group
>>> 5. IMAP commands DO write to the file:
>>> [root at dal-notify-01 Maildir]# cat /var/lib/dovecot/db/shared-mailboxes.db
>>> shared/shared-boxes/user/u1.name/u2.name
>>> 1
>>> shared/shared-boxes/user/operations/u2.name
>>> 1
>>> shared/shared-boxes/user/u1.name/operations
>>> 1
>>> shared/shared-boxes/user/u1.name/operations
>>> 1
>>> 6. It will also write to the user's /home/operations/Maildir/.JasonAlert/dovecot-acl file
>>> user=u1.name ilrw
>>>
>>> However if I got into Thunderbird and try to subscribe, none of the shared folders are listed. Can anyone help?? Thanks!!
>>>
>>> Dovecot version = 2.2.10
>>>
>>> dovecot -n
>>> [root at server]# dovecot -n
>>> # 2.2.10: /etc/dovecot/dovecot.conf
>>> # OS: Linux 3.10.0-693.17.1.el7.x86_64 x86_64 CentOS Linux release 7.4.1708 (Core)
>>> first_valid_uid = 100
>>> listen = *
>>> log_path = /var/log/dovecot.log
>>> mail_debug = yes
>>> mail_location = maildir:~/Maildir
>>> mail_plugins = acl
>>> mail_privileged_group = mail
>>> mbox_write_locks = fcntl
>>> namespace Private {
>>> hidden = no
>>> inbox = no
>>> list = no
>>> location =
>>> prefix = Private/
>>> separator = /
>>> type = private
>>> }
>>> namespace Public {
>>> hidden = no
>>> inbox = no
>>> list = no
>>> location = maildir:/var/mail/public
>>> prefix = Public/
>>> separator = /
>>> subscriptions = yes
>>> type = public
>>> }
>>> namespace Shared {
>>> hidden = no
>>> inbox = no
>>> list = yes
>>> location = maildir:/var/mail/%u:INDEXPVT=~/Maildir/%u
>>> prefix = shared/%u/
>>> separator = /
>>> subscriptions = yes
>>> type = shared
>>> }
>>> 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 =
>>> separator = /
>>> }
>>> passdb {
>>> driver = pam
>>> }
>>> passdb {
>>> driver = pam
>>> }
>>> plugin {
>>> acl = vfile
>>> acl_shared_dict = file:/var/lib/dovecot/db/shared-mailboxes.db <file:///var/lib/dovecot/db/shared-mailboxes.db>
>>> }
>>> protocols = imap
>>> ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
>>> ssl_key = </etc/pki/dovecot/private/dovecot.pem
>>> syslog_facility = local2
>>> userdb {
>>> driver = passwd
>>> }
>>> userdb {
>>> driver = passwd
>>> }
>>> protocol imap {
>>> mail_plugins = acl imap_acl
>>> }
>>
>
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