Set mail crypt private password with OAUTH?

Max Kostikov max at kostikov.co
Mon Jan 31 10:41:41 UTC 2022


Correction. Mail crypt works fine when I'm logged with the regular 
password authentication
but doesn't when OAUTH2 is used.

Max Kostikov писал(а) 2022-01-31 12:30:
> Yes, that's right.
> I tried to get key with userdb before I wrote in the Dovecot list but
> this doesn't work for me.
> Yes, the decryption key is correct but for some reason it doesn't
> applied when key decryption.
> 
> 
> Aki Tuomi писал(а) 2022-01-31 12:09:
>> In fact now that I looked through your configs one more, this is
>> already what you are doing, except you are exporting the private key
>> password in three different places.
>> 
>> So basically, if you do `doveadm user foobar` it should already give
>> you a correct key.
>> 
>> You can see if the key is correct with `doveadm mailbox cryptokey
>> export -u user -U`
>> 
>> Aki
>> 
>>> On 31/01/2022 12:03 Aki Tuomi <aki.tuomi at open-xchange.com> wrote:
>>> 
>>> 
>>> Hgm. You have userdb lookups enabled, why not just move the entire 
>>> mail_crypt_private_password handling there instead of passdb? This 
>>> way it'll work with LMTP/LDA as well.
>>> 
>>> So move all user related fields to the userdb lookup, and keep only 
>>> the authentication handling in passdb.
>>> 
>>> In your configuration, passdb lookups are not done for LMTP/LDA etc.
>>> 
>>> Aki
>>> 
>>> > On 31/01/2022 12:00 Max Kostikov <max at kostikov.co> wrote:
>>> >
>>> >
>>> > Unfortunately there are no "master out" entries in the log, but I have
>>> > "userdb out"
>>> >
>>> > Jan 31 09:56:40 example.com dovecot: auth: Debug: master userdb out:
>>> > USER#0111609564161#011max.kostikov at gmail.com#011home=/var/vmail/gmail.com/max.kostikov/#011mail=maildir:/var/vmail/gmail.com/max.kostikov/#011uid=150#011gid=8#011quota=dirsize:storage=0#011userdb_mail_crypt_private_password=<hidden>#011auth_mech=XOAUTH2#011auth_token=a8a38b3119780448ae96debd5687df75f5043378
>>> >
>>> >
>>> > Aki Tuomi писал(а) 2022-01-31 11:47:
>>> > > Was the field present in auth debug logs, it should be shown in the
>>> > > "master out" log line and also it should be visible on mail_debug=yes
>>> > > logs as `plugin/mail_crypt_private_key_password`.
>>> > >
>>> > > Aki
>>> > >
>>> > >> On 31/01/2022 11:40 Max Kostikov <max at kostikov.co> wrote:
>>> > >>
>>> > >>
>>> > >> Unfortunatelly I still get decryption error with "Password not
>>> > >> available"
>>> > >>
>>> > >> ...
>>> > >> Jan 31 09:39:03 dev-message-portal-08.healthycareservice.com dovecot:
>>> > >> imap(max.kostikov at gmail.com)<22267><59cRjt3Wbtx/AAAB>: Error: Mailbox
>>> > >> INBOX: UID=1: read() failed:
>>> > >> read(/var/vmail/gmail.com/max.kostikov/cur/1643481212.M353350P24555.dev-message-portal-08.healthycareservice.com,S=2140,W=2193:2,S)
>>> > >> failed: Private key not available: Cannot decrypt key
>>> > >> 34255c3a029dc86ba4f07fa9bae2e87e4254de1d582f220a99b46f20bd382870:
>>> > >> Cannot
>>> > >> decrypt key
>>> > >> 98ae0f998f9139ebe20a97de77f162dcdeed496e38c9b5910186f999f3ef66c8:
>>> > >> Password not available
>>> > >> Jan 31 09:39:03 dev-message-portal-08.healthycareservice.com dovecot:
>>> > >> imap(max.kostikov at gmail.com)<22267><59cRjt3Wbtx/AAAB>: Disconnected:
>>> > >> FETCH failed: Mailbox INBOX: UID=1: read() failed:
>>> > >> read(/var/vmail/gmail.com/max.kostikov/cur/1643481212.M353350P24555.dev-message-portal-08.healthycareservice.com,S=2140,W=2193:2,S)
>>> > >> failed: Private key not available: Cannot decrypt key
>>> > >> 34255c3a029dc86ba4f07fa9bae2e87e4254de1d582f220a99b46f20bd382870:
>>> > >> Cannot
>>> > >> decrypt key
>>> > >> 98ae0f998f9139ebe20a97de77f162dcdeed496e38c9b5910186f999f3ef66c8:
>>> > >> Password not available in=463 out=1872 deleted=0 expunged=0 trashed=0
>>> > >> hdr_count=1 hdr_bytes=115 body_count=0 body_bytes=0
>>> > >>
>>> > >>
>>> > >> Aki Tuomi писал(а) 2022-01-31 11:33:
>>> > >> > try adding
>>> > >> >
>>> > >> > result_success = continue-ok
>>> > >> >
>>> > >> > to the oauth2 database.
>>> > >> >
>>> > >> > Aki
>>> > >> >
>>> > >> >> On 31/01/2022 11:27 Max Kostikov <max at kostikov.co> wrote:
>>> > >> >>
>>> > >> >>
>>> > >> >> Aki, thanks for your hint.
>>> > >> >> Unfortunatelly I can't get this work.
>>> > >> >> Here is my configuration.
>>> > >> >>
>>> > >> >> auth_mechanisms = $auth_mechanisms oauthbearer xoauth2
>>> > >> >> passdb {
>>> > >> >>    driver = oauth2
>>> > >> >>    mechanisms = xoauth2 oauthbearer
>>> > >> >>    args = /etc/dovecot/dovecot-oauth2.conf.ext
>>> > >> >> }
>>> > >> >> passdb {
>>> > >> >>    driver = sql
>>> > >> >>    skip = unauthenticated
>>> > >> >>    args = /etc/dovecot/dovecot-sql-encryption.conf.ext
>>> > >> >> }
>>> > >> >> passdb {
>>> > >> >>    skip = authenticated
>>> > >> >>    driver = sql
>>> > >> >>    args = /etc/dovecot/dovecot-sql.conf.ext
>>> > >> >> }
>>> > >> >> userdb {
>>> > >> >>    driver = sql
>>> > >> >>    args = /etc/dovecot/dovecot-sql.conf.ext
>>> > >> >> }
>>> > >> >>
>>> > >> >> * In the dovecot-oauth2.conf.ext I have typical Google configuration.
>>> > >> >>
>>> > >> >> * dovecot-sql-encryption.conf.ext contains only SQL query for
>>> > >> >> password:
>>> > >> >>
>>> > >> >> password_query = \
>>> > >> >>    SELECT \
>>> > >> >>    150 AS userdb_uid, 8 AS userdb_gid, \
>>> > >> >>    SHA2(CONCAT(username, random_key), 256) AS
>>> > >> >> userdb_mail_crypt_private_password, \
>>> > >> >>    'Y' AS noauthenticate \
>>> > >> >>    FROM mailbox WHERE username = '%u'
>>> > >> >>
>>> > >> >> * dovecot-sql.conf.ext contains normal password authentication
>>> > >> >> queries:
>>> > >> >>
>>> > >> >> password_query = \
>>> > >> >>    SELECT username AS user, password, \
>>> > >> >>    150 AS userdb_uid, 8 AS userdb_gid, \
>>> > >> >>    SHA2(CONCAT(username, random_key), 256) AS
>>> > >> >> userdb_mail_crypt_private_password \
>>> > >> >>    FROM mailbox WHERE username = '%u'
>>> > >> >>    AND active = '1'
>>> > >> >>
>>> > >> >> user_query = \
>>> > >> >>    SELECT \
>>> > >> >>    CONCAT('/var/vmail/', LCASE(maildir)) AS home, \
>>> > >> >>    CONCAT('maildir:/var/vmail/', LCASE(maildir)) AS mail, \
>>> > >> >>    150 AS uid, 8 AS gid, concat('dirsize:storage=', quota) AS quota, \
>>> > >> >>    SHA2(CONCAT(username, random_key), 256) AS
>>> > >> >> userdb_mail_crypt_private_password \
>>> > >> >>    FROM mailbox WHERE username = '%u'
>>> > >> >>    AND active = '1'
>>> > >> >>
>>> > >> >> iterate_query = \
>>> > >> >>    SELECT username AS user FROM mailbox
>>> > >> >>
>>> > >> >> It seems now dovecot-sql-encryption.conf.ext is not invoked
>>> > >> >>
>>> > >> >> Jan 31 09:11:45 example.com dovecot: imap-login: Login:
>>> > >> >> user=<max.kostikov at gmail.com>, method=XOAUTH2, rip=127.0.0.1,
>>> > >> >> lip=127.0.0.1, mpid=22615, TLS, session=<XtdzLN3WnMl/AAAB>
>>> > >> >> Jan 31 09:11:45 example.com dovecot: auth: Debug: client in:
>>> > >> >> AUTH#0111#011XOAUTH2#011service=imap#011secured=tls#011session=56F7LN3Wnsl/AAAB#011lip=127.0.0.1#011rip=127.0.0.1#011lport=143#011rport=51614#011local_name=example.com#011resp=<hidden>
>>> > >> >> Jan 31 09:11:45 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Performing passdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:45 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Making token
>>> > >> >> validation lookup to
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=
>>> > >> >> Jan 31 09:11:45 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Using existing connection to
>>> > >> >> 172.253.63.95:443 (SSL=www.googleapis.com) (1 requests pending)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]:
>>> > >> >> Submitted (requests left=1)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]: peer
>>> > >> >> 172.253.63.95:443: Using 1 idle connections to handle 1 requests (1
>>> > >> >> total connections ready)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Connection to peer 172.253.63.95:443
>>> > >> >> claimed request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Claimed request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]:
>>> > >> >> Sent header
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]: peer
>>> > >> >> 172.253.63.95:443: No more requests to service for this peer (1
>>> > >> >> connections exist, 0 pending)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Got 200 response for request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]:
>>> > >> >> OK (took 20 ms + 0 ms in queue)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Token validation
>>> > >> >> succeeded
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> azp
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> aud
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> sub
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> scope
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> exp
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> expires_in
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> email
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> email_verified
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> access_type
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Making
>>> > >> >> introspection
>>> > >> >> request to https://www.googleapis.com/oauth2/v2/userinfo
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Using existing connection to
>>> > >> >> 172.253.63.95:443 (SSL=www.googleapis.com) (1 requests pending)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req10: GET https://www.googleapis.com/oauth2/v2/userinfo]:
>>> > >> >> Submitted (requests left=2)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Response payload stream destroyed (0 ms after
>>> > >> >> initial response)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]:
>>> > >> >> Finished
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Dropping request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req9: GET
>>> > >> >> https://www.googleapis.com/oauth2/v3/tokeninfo?access_token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI]:
>>> > >> >> Free (requests left=2)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]: peer
>>> > >> >> 172.253.63.95:443: Using 1 idle connections to handle 1 requests (1
>>> > >> >> total connections ready)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Connection to peer 172.253.63.95:443
>>> > >> >> claimed request [Req10: GET
>>> > >> >> https://www.googleapis.com/oauth2/v2/userinfo]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Claimed request [Req10: GET
>>> > >> >> https://www.googleapis.com/oauth2/v2/userinfo]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req10: GET https://www.googleapis.com/oauth2/v2/userinfo]:
>>> > >> >> Sent
>>> > >> >> header
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]: peer
>>> > >> >> 172.253.63.95:443: No more requests to service for this peer (1
>>> > >> >> connections exist, 0 pending)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Got 200 response for request [Req10: GET
>>> > >> >> https://www.googleapis.com/oauth2/v2/userinfo]: OK (took 57 ms + 0 ms
>>> > >> >> in
>>> > >> >> queue)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Introspection
>>> > >> >> succeeded
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> id
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> email
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> verified_email
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> name
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> given_name
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> family_name
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> picture
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Processing field
>>> > >> >> locale
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> oauth2(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Finished passdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> auth(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Auth request
>>> > >> >> finished
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: client passdb out:
>>> > >> >> OK#0111#011user=foo at gmail.com#011token=ya29.A0ARrdaM_UsPVyxGVJ2aSHPS0D7gnONiuBcEF5CyUwFhnd6nq94c4T1PAWQeUE5IItCIwLb90QpkNLduHD8_vkeka7j6m574SP3gbg114lopTrmPZmHBIpDzaj2w-JqlV0bkFCT7jKqd5UHWXrRIAdqS0ksDCI
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: Response payload stream destroyed (0 ms after
>>> > >> >> initial response)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req10: GET https://www.googleapis.com/oauth2/v2/userinfo]:
>>> > >> >> Finished
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> queue
>>> > >> >> https://www.googleapis.com:443: Dropping request [Req10: GET
>>> > >> >> https://www.googleapis.com/oauth2/v2/userinfo]
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: host
>>> > >> >> www.googleapis.com: Host is idle (timeout = 1786062 msecs)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]:
>>> > >> >> request [Req10: GET https://www.googleapis.com/oauth2/v2/userinfo]:
>>> > >> >> Free
>>> > >> >> (requests left=1)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client[1]: peer
>>> > >> >> 172.253.63.95:443: No requests to service for this peer (1 connections
>>> > >> >> exist, 0 pending)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: http-client: conn
>>> > >> >> 172.253.63.95:443 [1]: No more requests queued; going idle (timeout =
>>> > >> >> 60000 msecs)
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: master in:
>>> > >> >> REQUEST#0113880255489#01122604#0111#0117acd1216a7041ddbdf7b563a2bc10dd1#011session_pid=22629#011request_auth_token
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> sql(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Performing userdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug: conn
>>> > >> >> unix:auth-worker (pid=22001,uid=113): auth-worker<19>: Handling USER
>>> > >> >> request
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug: conn
>>> > >> >> unix:auth-worker (pid=22001,uid=113): auth-worker<19>:
>>> > >> >> sql(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Performing userdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug: conn
>>> > >> >> unix:auth-worker (pid=22001,uid=113): auth-worker<19>:
>>> > >> >> sql(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): SELECT
>>> > >> >> CONCAT('/var/vmail/', LCASE(maildir)) AS home,
>>> > >> >> CONCAT('maildir:/var/vmail/', LCASE(maildir)) AS mail, 150 AS uid, 8
>>> > >> >> AS
>>> > >> >> gid, concat('dirsize:storage=', quota) AS quota, SHA2(CONCAT(username,
>>> > >> >> random_key), 256) AS userdb_mail_crypt_private_password FROM mailbox
>>> > >> >> WHERE username = 'foo at gmail.com'
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug:
>>> > >> >> mysql(localhost): Finished query 'SELECT CONCAT('/var/vmail/',
>>> > >> >> LCASE(maildir)) AS home, CONCAT('maildir:/var/vmail/', LCASE(maildir))
>>> > >> >> AS mail, 150 AS uid, 8 AS gid, concat('dirsize:storage=', quota) AS
>>> > >> >> quota, SHA2(CONCAT(username, random_key), 256) AS
>>> > >> >> userdb_mail_crypt_private_password FROM mailbox WHERE username =
>>> > >> >> 'foo at gmail.com'' in 8 msecs
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug: conn
>>> > >> >> unix:auth-worker (pid=22001,uid=113): auth-worker<19>:
>>> > >> >> sql(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Finished userdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth-worker(22005): Debug: conn
>>> > >> >> unix:auth-worker (pid=22001,uid=113): auth-worker<19>: Finished
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug:
>>> > >> >> sql(foo at gmail.com,127.0.0.1,<56F7LN3Wnsl/AAAB>): Finished userdb
>>> > >> >> lookup
>>> > >> >> Jan 31 09:11:46 example.com dovecot: auth: Debug: master userdb out:
>>> > >> >> USER#0113880255489#011foo at gmail.com#011home=/var/vmail/gmail.com/max.kostikov/#011mail=maildir:/var/vmail/gmail.com/max.kostikov/#011uid=150#011gid=8#011quota=dirsize:storage=0#011userdb_mail_crypt_private_password=<hidden>#011auth_mech=XOAUTH2#011auth_token=cd1adb77645bc681e152d945b5617ef602b29fb7
>>> > >> >> Jan 31 09:11:46 example.com dovecot: imap-login: Login:
>>> > >> >> user=<foo at gmail.com>, method=XOAUTH2, rip=127.0.0.1, lip=127.0.0.1,
>>> > >> >> mpid=22629, TLS, session=<56F7LN3Wnsl/AAAB>
>>> > >> >> Jan 31 09:11:46 example.com dovecot:
>>> > >> >> imap(foo at gmail.com)<22615><XtdzLN3WnMl/AAAB>: Error: Mailbox INBOX:
>>> > >> >> UID=1: read() failed:
>>> > >> >> read(/var/vmail/gmail.com/max.kostikov/cur/1643481212.M353350P24555.example.com,S=2140,W=2193:2,S)
>>> > >> >> failed: Private key not available: Cannot decrypt key
>>> > >> >> 34255c3a029dc86ba4f07fa9bae2e87e4254de1d582f220a99b46f20bd382870:
>>> > >> >> Cannot
>>> > >> >> decrypt key
>>> > >> >> 98ae0f998f9139ebe20a97de77f162dcdeed496e38c9b5910186f999f3ef66c8:
>>> > >> >> Password not available (FETCH BODY[HEADER])
>>> > >> >> Jan 31 09:11:46 example.com dovecot:
>>> > >> >> imap(foo at gmail.com)<22615><XtdzLN3WnMl/AAAB>: Disconnected: FETCH
>>> > >> >> read()
>>> > >> >> failed in=57 out=800 deleted=0 expunged=0 trashed=0 hdr_count=1
>>> > >> >> hdr_bytes=0 body_count=0 body_bytes=0
>>> > >> >>
>>> > >> >> I've tried to add
>>> > >> >>
>>> > >> >> pass_attrs =
>>> > >> >> userdb_mail_crypt_private_password=%{userdb:userdb_mail_crypt_private_password}
>>> > >> >>
>>> > >> >> into the pass_attrs =
>>> > >> >> userdb_mail_crypt_private_password=%{userdb:mail_crypt_private_password}
>>> > >> >> but it looks like no correct key decrypt password passed
>>> > >> >>
>>> > >> >> ...
>>> > >> >> Jan 31 09:10:49 example.com dovecot:
>>> > >> >> imap(foo at gmail.com)<20613><HVcHKd3W9sh/AAAB>: Error: Mailbox INBOX:
>>> > >> >> UID=1: read() failed:
>>> > >> >> read(/var/vmail/gmail.com/max.kostikov/cur/1643481212.M353350P24555.example.com,S=2140,W=2193:2,S)
>>> > >> >> failed: Private key not available: Cannot decrypt key
>>> > >> >> 34255c3a029dc86ba4f07fa9bae2e87e4254de1d582f220a99b46f20bd382870:
>>> > >> >> error:03070068:bignum routines:BN_mpi2bn:encoding error (FETCH
>>> > >> >> BODY[HEADER])
>>> > >> >> Jan 31 09:10:50 example.com dovecot:
>>> > >> >> imap(foo at gmail.com)<20631><cuIWKd3W+Mh/AAAB>: Error: Mailbox INBOX:
>>> > >> >> UID=1: read() failed:
>>> > >> >> read(/var/vmail/gmail.com/max.kostikov/cur/1643481212.M353350P24555.example.com,S=2140,W=2193:2,S)
>>> > >> >> failed: Private key not available: Cannot decrypt key
>>> > >> >> 34255c3a029dc86ba4f07fa9bae2e87e4254de1d582f220a99b46f20bd382870:
>>> > >> >> error:03070068:bignum routines:BN_mpi2bn:encoding error
>>> > >> >>
>>> > >> >>
>>> > >> >> Aki Tuomi писал(а) 2022-01-31 08:34:
>>> > >> >> >> On 28/01/2022 21:27 Max Kostikov <max at kostikov.co> wrote:
>>> > >> >> >>
>>> > >> >> >>
>>> > >> >> >> We currently use Dovecot and mailbox encryption via the
>>> > >> >> >> mail-crypt-plugin.
>>> > >> >> >> With standard password authentication, we set the value of the
>>> > >> >> >> individual
>>> > >> >> >> password to encrypt the contents of the
>>> > >> >> >> userdb_mail_crypt_private_password
>>> > >> >> >> mailbox in the SQL query.
>>> > >> >> >> Is it possible to set the userdb_mail_crypt_private_password value
>>> > >> >> >> when
>>> > >> >> >> authenticating via OAUTH2 ?
>>> > >> >> >>
>>> > >> >> >> --
>>> > >> >> >> Best regards,
>>> > >> >> >> Max Kostikov
>>> > >> >> >
>>> > >> >> > You probably want to split your passdb drivers into two, one which
>>> > >> >> > does the authentication and second which populates the private
>>> > >> >> > password value. This way it should work correctly on both cases.
>>> > >> >> >
>>> > >> >> > passdb {
>>> > >> >> >  driver = sql
>>> > >> >> >  skip = unauthenticated
>>> > >> >> >  ...
>>> > >> >> > }
>>> > >> >> >
>>> > >> >> > and ensure your return in this sql query `'Y' as noauthenticate'`
>>> > >> >> >
>>> > >> >> > Aki
>>> > >> >>
>>> > >> >> --
>>> > >> >> Best regards,
>>> > >> >> Max Kostikov
>>> > >> >>
>>> > >> >> W: https://kostikov.co | E: max at kostikov.co | T: +7(952)7927000
>>> > >>
>>> > >> --
>>> > >> Best regards,
>>> > >> Max Kostikov
>>> > >>
>>> > >> W: https://kostikov.co | E: max at kostikov.co | T: +7(952)7927000
>>> >
>>> > --
>>> > Best regards,
>>> > Max Kostikov
>>> >
>>> > W: https://kostikov.co | E: max at kostikov.co | T: +7(952)7927000

-- 
Best regards,
Max Kostikov

W: https://kostikov.co | E: max at kostikov.co | T: +7(952)7927000


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