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From Jakub Scholz <ja...@scholz.cz>
Subject Support for EXTERNAL authentication with AMQP 1.0
Date Thu, 08 Aug 2013 16:11:10 GMT
Hi,

I was trying to connect to my broker with a C++ client based on
qpid.messaging / AMQP 1.0 using the SSL Client Authentication (SASL
EXTERNAL). But the client seems to complain about no available mechanism:

2013-08-08 20:07:01 [Messaging] debug Driver started
2013-08-08 20:07:01 [Messaging] debug localhost:10000 Connecting ...
2013-08-08 20:07:01 [System] info Connecting: 127.0.0.1:10000
2013-08-08 20:07:01 [Security] debug Failed to connect: Connection refused
2013-08-08 20:07:01 [Messaging] debug localhost:10000 Failed to connect
Exception: Could not connect to amqp:ssl:localhost:10000
(/home/jakub/qpid/qpid-0.24-rc1/cpp/src/qpid/messaging/amqp/ConnectionContext.cpp:117)
2013-08-08 20:07:01 [Messaging] debug Driver stopped
[jakub@localhost Messaging-Sandbox]$ ./ReqRespClient
2013-08-08 20:07:50 [Messaging] debug Driver started
2013-08-08 20:07:50 [Messaging] debug localhost:10000 Connecting ...
2013-08-08 20:07:50 [System] info Connecting: 127.0.0.1:10000
2013-08-08 20:07:50 [Messaging] debug localhost:10000 Connected
2013-08-08 20:07:50 [Messaging] debug wakeupDriver()
2013-08-08 20:07:50 [Messaging] debug localhost:10000 Waiting to be
authenticated...
2013-08-08 20:07:50 [Security] trace localhost:10000 Sasl::canEncode(): 1
|| 0
2013-08-08 20:07:50 [Security] trace localhost:10000 Sasl::canEncode(): 1
|| 0
2013-08-08 20:07:50 [Protocol] debug localhost:10000 writing protocol
header: 1-0
2013-08-08 20:07:50 [Security] trace localhost:10000 Sasl::encode(65535): 8
2013-08-08 20:07:50 [Security] trace localhost:10000 Sasl::canEncode(): 0
|| 0
2013-08-08 20:07:50 [Protocol] debug localhost:10000 read protocol header:
1-0
2013-08-08 20:07:50 [Security] trace Reading SASL frame of size 30
2013-08-08 20:07:50 [Security] trace Reading SASL-MECHANISMS
2013-08-08 20:07:50 [Protocol] debug localhost:10000 Received
SASL-MECHANISMS(EXTERNAL)
2013-08-08 20:07:50 [Security] debug CyrusSasl::start(EXTERNAL )
2013-08-08 20:07:50 [Security] debug min_ssf: 0, max_ssf: 256
2013-08-08 20:07:50 [System] debug Exception constructed: Sasl error:
SASL(-4): no mechanism available:
 (/home/jakub/qpid/qpid-0.24-rc1/cpp/src/qpid/SaslFactory.cpp:309)
2013-08-08 20:07:50 [System] error Caught exception in state: 3 with event:
1: internal-error: Sasl error: SASL(-4): no mechanism available:
 (/home/jakub/qpid/qpid-0.24-rc1/cpp/src/qpid/SaslFactory.cpp:309)
2013-08-08 20:07:55 [Security] debug [127.0.0.1:34905-localhost:10000]
SslTransport closing...
2013-08-08 20:07:55 [Security] debug [127.0.0.1:34905-localhost:10000]
Socket closed
Exception: Disconnected
2013-08-08 20:07:55 [Messaging] debug Driver stopped

Is the EXTERNAL authentication already supported for AMQP 1.0 in 0.24 RC1?
I know there are some open issues with the Proton Messenger (for example
PROTON-333), but I'm not entirely sure how much is this part common between
Proton Messenger and qpid.messaging.

With AMQP 0.10, it seems to work fine.

Thanks & Regards
Jakub

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