Sure, I’ll test asap thanks! (I’m currently doing my testing on 2.19, I don’t expect conflicts if I cherry-pick the commit)
Da: Justin Bertram <jbert...@apache.org> Data: venerdì, 8 aprile 2022 03:05 A: users@activemq.apache.org <users@activemq.apache.org> Oggetto: Re: Artemis security plugin doesn't allow to change clientId I just sent a PR [1] for this. Riccardo, could you try this out and see if it works for you? Justin [1] https://github.com/apache/activemq-artemis/pull/4021 On Thu, Apr 7, 2022 at 2:04 PM Justin Bertram <jbert...@apache.org> wrote: > I went ahead and opened ARTEMIS-3770 [1] for this work. > > > Justin > > [1] https://issues.apache.org/jira/browse/ARTEMIS-3770 > > On Thu, Apr 7, 2022 at 12:35 PM Justin Bertram <jbert...@apache.org> > wrote: > >> Technically speaking, an implementation of >> o.a.a.a.s.c.s.ActiveMQSecurityManager5 like you have *is* allowed to change >> the client ID on the o.a.a.a.s.c.p.RemotingConnection it receives (just as >> you are doing in your implementation). The problem is that MQTT >> implementation doesn't use this client ID and instead overwrites it with >> the value from the MQTT CONNECT packet. However, I think the code could be >> refactored fairly easily to accommodate this use-case. Can you open a Jira? >> >> >> Justin >> >> On Thu, Apr 7, 2022 at 11:19 AM Modanese, Riccardo >> <riccardo.modan...@eurotech.com.invalid> wrote: >> >>> Hello, >>> we are moving a security plugin from ActiveMQ 5.x broker to Artemis >>> 2.x. >>> To summarize the use case: >>> we need to prefix the MQTT client id provided during the connect >>> with the account name (something like account_name|client_id) to allow >>> devices with the same clientId, but different accounts, to connect to the >>> broker without triggering the stealing link. >>> >>> Doing that with the ActiveMQ was possible. With Artemis SecurityPlugin >>> any clientId set through the proper RemotingConnection setter has no effect >>> ( >>> https://github.com/riccardomodanese/kapua/blob/feature-artemisAuthentication/broker/artemis/plugin/src/main/java/org/eclipse/kapua/broker/artemis/plugin/security/SecurityPlugin.java#L140 >>> ). >>> Also the fully qualified queue name still use the “original” clientId >>> without the account_name prefix >>> >>> We received a suggestion to use the interceptor but unfortunately the >>> MQTTConnect is final and has all the fields final so we cannot change the >>> clientId >>> We tried, just as experiment, using reflection to change the >>> accessibility (no security manager) and it seems to work. But, obviously, >>> is just an experiment and cannot be used in a real environment. >>> >>> The MQTTConnect message is created by MQTTDecoder ( >>> https://github.com/netty/netty/blob/4.1/codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttDecoder.java#L534) >>> but changing this part to introduce a callback that allows to change the >>> decoded clientId is out of the scope of this layer IMHO. >>> >>> If someone has suggestion or, better, a solution please tell me! >>> >>> Thanks! >>> >>> Riccardo Modanese >>> >>>