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https://issues.apache.org/jira/browse/HTTPCLIENT-1346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-1346.
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Resolution: Fixed
Fix Version/s: 4.3 Beta2
Patch committed to SVN trunk and 4.2.x branch. Many thanks, Pasi, for helping
us fix a long standing and a very annoying problem.
Oleg
> SSL handshake exceptions are hidden from application
> ----------------------------------------------------
>
> Key: HTTPCLIENT-1346
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1346
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient
> Affects Versions: 4.2.3
> Reporter: Pasi Eronen
> Fix For: 4.2.6, 4.3 Beta2
>
> Attachments: httpclient-1346-for-4.2.3.patch,
> httpclient-1346-for-4.3-alpha1.patch
>
>
> When the SSL handshake fails for some reason, (e.g. TCP connection reset,
> socket read timeout, no common cipher suite found, expired certificate,
> untrusted certificate, server sends non-SSL garbage, etc.), all the
> application sees is "javax.net.ssl.SSLPeerUnverifiedException: peer not
> authenticated" (without any cause chain). This is rather unhelpful for
> troubleshooting SSL errors.
> According to the SSLSocket Javadocs, the SSL handshake can be initiated in
> three ways: calling startHandshake(), attempting to read or write data, or
> calling getSession(). The first two of these throw appropriate exceptions on
> failure (usually with cause chains indicating the root cause), while the
> third just returns a special session handshake with invalid ciphersuite
> SSL_NULL_WITH_NULL_NULL (and the actual cause of handshake failure is lost).
> Currently org.apache.http.conn.ssl.SSLSocketFactory uses the third approach
> (and does not even check for the invalid ciphersuite).
> Proposed fix: add call "sslsock.startHandshake();" after call to
> prepareSocket but before hostnameVerifier (which calls getSession). This
> requires also one-line change to TestSSLSocketFactory.java (change
> SSLPeerUnverifiedException to SSLHandshakeException).
> I tested this fix with five different cases (TCP connection reset, socket
> read timeout, expired certificate, self-signed certificate, and non-SSL
> server), and in all five cases, I now get a reasonably correct exception text
> (and a cause chain).
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