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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HTTPCLIENT-1186) NTLM authenticated connections are mixed
Date Tue, 24 Apr 2012 13:35:35 GMT

    [ https://issues.apache.org/jira/browse/HTTPCLIENT-1186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13260544#comment-13260544

Oleg Kalnichevski commented on HTTPCLIENT-1186:

I am sorry but I still fail to see a security issue here. Before a connection gets released
back to the manager (and therefore before it can be potentially leased to another user) its
state will be updated. It really does not matter if a connection starts its life as stateless.
What matters is whether or not it is stateful by the time it gets released back to the pool.

Could you please provide a test case that demonstrates how an authentication connection can
be leased to a user with a different security context? 

> NTLM authenticated connections are mixed
> ----------------------------------------
>                 Key: HTTPCLIENT-1186
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1186
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient
>    Affects Versions: 4.1.3
>            Reporter: Ralf Pöhlmann
>            Priority: Critical
>              Labels: DefaultRequestDirector
> Executing multiple request using the same http context as recommended mixes authenticated
connections among different users. 
> If we execute two request usign the same context, the first request adds the user token
to the http context as well as to the connection properties. The second request fins already
a user token in the http context but if a new connection will be created (no free connection
in the pool) this new connection is never assigned to an user token and is used independent
of any user context!
> see DefaultRequestDirector:
> // See if we have a user token bound to the execution context
> Object userToken = context.getAttribute(ClientContext.USER_TOKEN);
> ...
> if (managedConn != null && userToken == null) {
>    userToken = userTokenHandler.getUserToken(context);
>    context.setAttribute(ClientContext.USER_TOKEN, userToken);
>    if (userToken != null) {
>       managedConn.setState(userToken);
>    }
> }
> and RouteSpecificPool:
>     public BasicPoolEntry allocEntry(final Object state) {
>         if (!freeEntries.isEmpty()) {
>             ListIterator<BasicPoolEntry> it = freeEntries.listIterator(freeEntries.size());
>             while (it.hasPrevious()) {
>                 BasicPoolEntry entry = it.previous();
>                 if (entry.getState() == null || LangUtils.equals(state, entry.getState()))
>                     it.remove();
>                     return entry;
>                 }

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