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Aki Tuomi

2019-Mar-28 20:07 UTC

configuring Dovecot with wforced and auth_policy_server_url with https results in assertion failed

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    On 28 March 2019 22:02 Aki Tuomi via dovecot <dovecot@dovecot.org>
wrote:
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     On 28 March 2019 21:52 Robert Kudyba <rkudyba@fordham.edu> wrote:
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        Set
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        ssl_client_ca_file=/path/to/cacert.pem to validate the certificate 
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      Can this be the Lets Encrypt cert that we already have? In other words we
have:
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      <div style="margin: 0px; font-stretch: normal; font-size: 11px;
line-height: normal; font-family: Menlo;" class="">
       <span style="font-variant-ligatures: no-common-ligatures;"
class="">ssl_cert =
</etc/pki/dovecot/certs/dovecot.pem</span>
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      <div style="margin: 0px; font-stretch: normal; font-size: 11px;
line-height: normal; font-family: Menlo;" class="">
       <span style="font-variant-ligatures: no-common-ligatures;"
class="">ssl_key =
</etc/pki/dovecot/private/dovecot.pem</span>
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      Can those be used?
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    Set it to *CA* cert. You can also use
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    ssl_client_ca_file=/etc/pki/tls/ca-bundle crt (on centos) 
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    or
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    ssl_client_ca_dir=/etc/ssl/certs (on debian based)
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        Are you using haproxy or something in front of dovecot?
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     No. Just Squirrelmail webmail with sendmail.
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    Maybe squirrelmail supports forwarding original client ip with ID command.
Otherwise dovecot cannot know it. Or you could configure squirrelmail to use
weakforced ?
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    <pre>---
Aki Tuomi</pre>
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   Also check that auth_policy_request_attributes use %{rip} and not
%{real_rip}. You can see this with
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   `doveconf auth_policy_request_attributes`
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   <pre>---
Aki Tuomi</pre>
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Robert Kudyba

2019-Mar-28 20:34 UTC

head link

configuring Dovecot with wforced and auth_policy_server_url with https results in assertion failed

>>>> Set
>>>> 
>>>> ssl_client_ca_file=/path/to/cacert.pem to validate the
certificate
>>> 
>>> Can this be the Lets Encrypt cert that we already have? In other
words we have:
>>> ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
>>> ssl_key = </etc/pki/dovecot/private/dovecot.pem
>>> 
>>> Can those be used?
>> 
>> Set it to *CA* cert. You can also use
>> 
>> ssl_client_ca_file=/etc/pki/tls/ca-bundle crt (on centos) 
OK did that.
>> ssl_client_ca_dir=/etc/ssl/certs (on debian based)
>>>> Are you using haproxy or something in front of dovecot?
>>> 
>>> No. Just Squirrelmail webmail with sendmail.
>>> 
>> Maybe squirrelmail supports forwarding original client ip with ID
command. Otherwise dovecot cannot know it. Or you could configure squirrelmail
to use weakforced ?
I see some options in http://squirrelmail.org/docs/admin/admin-5.html#ss5.3
<http://squirrelmail.org/docs/admin/admin-5.html#ss5.3>. Would it be a
plugin?
> Also check that auth_policy_request_attributes use %{rip} and not
%{real_rip}. You can see this with
> 
> `doveconf auth_policy_request_attributes`
Yes I?ve confirmed it matches. Still getting the URL or IP of the webmail
address as well as errors like SSL handshake to ex.ter.na.lip:8084 failed:
Connection closed

Mar 28 16:13:36 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Timeout (now: 2019-03-28 16:13:36.300)
Mar 28 16:13:36 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Absolute timeout expired for request [Req10: POST
https://ourdomain:8084/?command=allow] (Request queued 2.002 secs ago, not yet
sent, 0.000 in other ioloops)
Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
https://ourdomain:8084/?command=allow]: Error: 9008 Absolute request timeout
expired (Request queued 2.002 secs ago, not yet sent, 0.000 in other ioloops)
Mar 28 16:13:36 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Dropping request [Req10: POST https://ourdomain:8084/?command=allow]
Mar 28 16:13:36 auth: Error: policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
Policy server HTTP error: Absolute request timeout expired (Request queued 2.002
secs ago, not yet sent, 0.000 in other ioloops)
Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
https://ourdomain:8084/?command=allow]: Destroy (requests left=1)
Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
https://ourdomain:8084/?command=allow]: Free (requests left=0)
Mar 28 16:13:36 auth-worker(32249): Debug:
pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): lookup service=dovecot
Mar 28 16:13:36 auth-worker(32249): Debug:
pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): #1/1 style=1 msg=Password:
Mar 28 16:13:38 auth-worker(32249): Info:
pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): unknown user
Mar 28 16:13:38 auth: Debug: policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
Policy request https://ourdomain:8084/?command=report
Mar 28 16:13:38 auth: Debug: policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
Policy server request JSON:
{"device_id":"","login":"abc","protocol":"imap","pwhash":"00","remote":"127.0.0.1","success":false,"policy_reject":false,"tls":false}
Mar 28 16:13:38 auth: Debug: http-client[1]: queue https://ourdomain:8084: Set
request timeout to 2019-03-28 16:13:40.625 (now: 2019-03-28 16:13:38.625)
Mar 28 16:13:38 auth: Debug: http-client: peer ex.ter.na.lip:8084 (shared): Peer
reused
Mar 28 16:13:38 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Setting up connection to ex.ter.na.lip:8084 (SSL=ourdomain) (1 requests pending)
Mar 28 16:13:38 auth: Debug: http-client[1]: request [Req11: POST
https://ourdomain:8084/?command=report]: Submitted (requests left=1)
Mar 28 16:13:38 auth: Debug: http-client[1]: peer ex.ter.na.lip:8084: Creating 1
new connections to handle requests (already 0 usable, connecting to 0, closing
0)
Mar 28 16:13:40 auth: Debug: client passdb out: FAIL	1	user=abc
Mar 28 16:13:40 imap-login: Info: Aborted login (auth failed, 1 attempts in 6
secs): user=<abc>, method=PLAIN, rip=127.0.0.1, lip=127.0.0.1, secured,
session=<5aBSMC2FROF/AAAB>
Mar 28 16:13:40 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Timeout (now: 2019-03-28 16:13:40.626)
Mar 28 16:13:40 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Absolute timeout expired for request [Req11: POST
https://ourdomain:8084/?command=report] (Request queued 2.000 secs ago, not yet
sent, 0.000 in other ioloops)
Mar 28 16:13:40 auth: Debug: http-client[1]: request [Req11: POST
https://ourdomain:8084/?command=report]: Error: 9008 Absolute request timeout
expired (Request queued 2.000 secs ago, not yet sent, 0.000 in other ioloops)
Mar 28 16:13:40 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Dropping request [Req11: POST https://ourdomain:8084/?command=report]
Mar 28 16:13:40 auth: Error: policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
Policy server HTTP error: Absolute request timeout expired (Request queued 2.000
secs ago, not yet sent, 0.000 in other ioloops)
Mar 28 16:13:40 auth: Debug: http-client[1]: request [Req11: POST
https://ourdomain:8084/?command=report]: Destroy (requests left=1)
Mar 28 16:13:40 auth: Debug: http-client[1]: request [Req11: POST
https://ourdomain:8084/?command=report]: Free (requests left=0)


Mar 28 16:13:59 auth: Debug: http-client: peer ex.ter.na.lip:8084 (shared):
Backoff timer expired
Mar 28 16:13:59 auth: Debug: http-client[1]: peer ex.ter.na.lip:8084: Making new
connection 1 of 1 (0 connections exist, 0 pending)
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]: HTTPS
connection created (1 parallel connections exist)
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Connected
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Starting SSL handshake
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]: SSL
handshake to ex.ter.na.lip:8084 failed: Connection closed
Mar 28 16:13:59 auth: Debug: http-client[1]: peer ex.ter.na.lip:8084: Connection
failed (1 connections exist, 0 pending)
Mar 28 16:13:59 auth: Debug: http-client: peer ex.ter.na.lip:8084: Failed to
make connection (1 connections exist, 0 pending)
Mar 28 16:13:59 auth: Debug: http-client[1]: peer ex.ter.na.lip:8084: Failed to
establish any connection within our peer pool: SSL handshake to
ex.ter.na.lip:8084 failed: Connection closed (1 connections exist, 0 pending)
Mar 28 16:13:59 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Failed to set up connection to ex.ter.na.lip:8084 (SSL=ourdomain): SSL handshake
to ex.ter.na.lip:8084 failed: Connection closed (1 peers pending, 0 requests
pending)
Mar 28 16:13:59 auth: Debug: http-client[1]: queue https://ourdomain:8084:
Failed to set up any connection; failing all queued requests
Mar 28 16:13:59 auth: Debug: http-client[1]: peer ex.ter.na.lip:8084: Unlinked
queue https://ourdomain:8084 (0 queues linked)
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Connection close
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Connection disconnect
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Detached peer
Mar 28 16:13:59 auth: Debug: http-client[1]: conn ex.ter.na.lip:8084 [9]:
Connection destroy

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Aki Tuomi

2019-Mar-29 09:35 UTC

head link

configuring Dovecot with wforced and auth_policy_server_url with https results in assertion failed

On 28.3.2019 22.34, Robert Kudyba via dovecot wrote:>>>>> Set
>>>>>
>>>>> ssl_client_ca_file=/path/to/cacert.pem to validate the
certificate?
>>>>
>>>> Can this be the Lets Encrypt cert that we already have? In
other
>>>> words we have:
>>>> ssl_cert = </etc/pki/dovecot/certs/dovecot.pem
>>>> ssl_key = </etc/pki/dovecot/private/dovecot.pem
>>>>
>>>> Can those be used?
>>>
>>> Set it to *CA* cert. You can also use
>>>
>>> ssl_client_ca_file=/etc/pki/tls/ca-bundle crt (on centos)?
>
> OK did that.
>
>>> ssl_client_ca_dir=/etc/ssl/certs (on debian based)
>>>>> Are you using haproxy or something in front of dovecot?
>>>>
>>>> No. Just Squirrelmail webmail with sendmail.
>>>>
>>> Maybe squirrelmail supports forwarding original client ip with ID
>>> command. Otherwise dovecot cannot know it. Or you could configure
>>> squirrelmail to use weakforced ?
>
> I see some options
> in?http://squirrelmail.org/docs/admin/admin-5.html#ss5.3. Would it be
> a plugin?
>
>> Also check that auth_policy_request_attributes use %{rip} and not
>> %{real_rip}. You can see this with?
>>
>> `doveconf auth_policy_request_attributes`
>
> Yes I?ve confirmed it matches. Still getting the URL or IP of the
> webmail address as well as errors like?SSL handshake to
> ex.ter.na.lip:8084 failed: Connection closed
>
> Mar 28 16:13:36 auth: Debug: http-client[1]: queue
> https://ourdomain:8084: Timeout (now: 2019-03-28 16:13:36.300)
> Mar 28 16:13:36 auth: Debug: http-client[1]: queue
> https://ourdomain:8084: Absolute timeout expired for request [Req10:
> POST https://ourdomain:8084/?command=allow] (Request queued 2.002 secs
> ago, not yet sent, 0.000 in other ioloops)
> Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
> https://ourdomain:8084/?command=allow]: Error: 9008 Absolute request
> timeout expired (Request queued 2.002 secs ago, not yet sent, 0.000 in
> other ioloops)
> Mar 28 16:13:36 auth: Debug: http-client[1]: queue
> https://ourdomain:8084: Dropping request [Req10: POST
> https://ourdomain:8084/?command=allow]
> Mar 28 16:13:36 auth: Error:
policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
> Policy server HTTP error: Absolute request timeout expired (Request
> queued 2.002 secs ago, not yet sent, 0.000 in other ioloops)
> Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
> https://ourdomain:8084/?command=allow]: Destroy (requests left=1)
> Mar 28 16:13:36 auth: Debug: http-client[1]: request [Req10: POST
> https://ourdomain:8084/?command=allow]: Free (requests left=0)
> Mar 28 16:13:36 auth-worker(32249): Debug:
> pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): lookup service=dovecot
> Mar 28 16:13:36 auth-worker(32249): Debug:
> pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): #1/1 style=1 msg=Password:?
> Mar 28 16:13:38 auth-worker(32249): Info:
> pam(abc,127.0.0.1,<5aBSMC2FROF/AAAB>): unknown user
> Mar 28 16:13:38 auth: Debug:
policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
> Policy request https://ourdomain:8084/?command=report
> Mar 28 16:13:38 auth: Debug:
policy(abc,127.0.0.1,<5aBSMC2FROF/AAAB>):
> Policy server request JSON:
>
{"device_id":"","login":"abc","protocol":"imap","pwhash":"00","remote":"127.0.0.1","success":false,"policy_reject":false,"tls":false}
>
Well, as I said, it's up to squirrelmail to actually provide the real
client IP. Otherwise dovecot cannot know it. You can try turning on imap
rawlogs (see https://wiki.dovecot.org/Debugging/Rawlog) and check if
squirrelmail is forwarding client ip or not.

Aki


Aki

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