Issue when connecting to TLSv1 server

[Langer, Christoph]

Hi,

while supporting an app development team, I'm facing a tough TLS issue - maybe you experts have an idea.

They try to open an HTTPS connection to the server URL https://nfe-homologacao.sefazrs.rs.gov.br:443/ws/NfeAutorizacao/NFeAutorizacao.asmx. This is a Web Service of some Brazilian financial authority. So, what I'm basically doing is this:

--code snippet--
URL url = new URL("https://nfe-homologacao.sefazrs.rs.gov.br:443/ws/NfeAutorizacao/NFeAutorizacao.asmx");
HttpsURLConnection con = (HttpsURLConnection)url.openConnection();
con.setHostnameVerifier(new DefaultHostnameVerifier());

// optional default is GET
con.setRequestMethod("GET");

System.out.println("Sending 'GET' request to URL: " + url);
int responseCode = con.getResponseCode();
System.out.println("Response Code: " + responseCode);
--end code snippet-

I expect it to return "403 - not authorized".

The coding will work with JDK7. However, with JDK8, I get this type of exception:

java.net.SocketException: Unrecognized Windows Sockets error: 0: recv failed
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
        at java.net.SocketInputStream.read(SocketInputStream.java:170)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
        at sun.security.ssl.InputRecord.read(InputRecord.java:503)
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:973)
        at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:930)
        at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
        at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:704)
        at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
        at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:675)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1536)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)
        at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
        ...

I can get it to work in JDK8 by forcing it to TLSv1 only, e.g. by setting property -Djdk.tls.client.protocols=TLSv1.

For JDK9 I even get a different exception:
javax.net.ssl.SSLException: java.nio.BufferOverflowException
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:214)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1948)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1900)
        at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1883)
        at sun.security.ssl.SSLSocketImpl.handleException(SSLSocketImpl.java:1809)
        at sun.security.ssl.AppInputStream.read(AppInputStream.java:173)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
        at java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
        at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:704)
        at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
        at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:675)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1534)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439)
        at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:319)
        at com.sap.cl.HttpsURLConnectionTest.sendGETRequest(HttpsURLConnectionTest.java:42)
        at com.sap.cl.HttpsURLConnectionTest.main(HttpsURLConnectionTest.java:63)
Caused by: java.nio.BufferOverflowException
        at java.nio.HeapByteBuffer.put(HeapByteBuffer.java:206)
        at sun.security.ssl.SSLSocketInputRecord.decodeInputRecord(SSLSocketInputRecord.java:226)
        at sun.security.ssl.SSLSocketInputRecord.decode(SSLSocketInputRecord.java:178)
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1012)
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:957)
        at sun.security.ssl.AppInputStream.read(AppInputStream.java:159)
        ... 12 more

I've debugged a lot today and tried to get something out of the javax.net.debug output but I didn't get any further with this - probably due to my lack of understanding the details of TLS communication and its implementation. I know the server is using some legacy protocol but still I think it should work.

Maybe someone has any helpful idea? Is it a bug? You can simply try to run my test code snippet and should see the issue immediately...

Thanks
Christoph

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