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sslpoke

Tool to test SSL connections from within the java VM, including HTTP proxy support, on java application servers.

I got the initial version of this tool from: https://confluence.atlassian.com/download/attachments/117455/SSLPoke.java

Fixed it up, added features and use it mostly to test/debug/validate certificate issues in java based deployments.

If you need any features feel free to add them and send pull requests.

Build

% make
javac SSLPoke.java

Usage

Normal usage with successfull response would be:

% java SSLPoke google.com 443
Successfully connected

Usage with connection via http proxy would be (http/1.1 CONNECT is used to tunnel the data):

% java -Dhttps.proxyHost=your.proxy.host -Dhttps.proxyPort=8080 SSLPoke google.com 443
Using proxy: your.proxy.host:8080
Successfully connected

Usage with special trustStore file set:

% java -Djavax.net.ssl.trustStore=your_special_keystore SSLPoke google.com 443
Successfully connected

Errors seen from sslpoke

Usual failure in corporate environments where you forgot to use the proxy (in which case just abort the tool with ctrl+c if you don't want to wait) (sslpoke exists with error = 1)

% java SSLPoke google.com 443
<hung, and after a long time>
java.net.ConnectException: Connection timed out (Connection timed out)
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
        at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:607)
        at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:666)
        at sun.security.ssl.SSLSocketImpl.<init>(SSLSocketImpl.java:426)
        at sun.security.ssl.SSLSocketFactoryImpl.createSocket(SSLSocketFactoryImpl.java:88)
        at SSLPoke.main(SSLPoke.java:41)

Certificate error (sslpoke exists with error = 1)

% java SSLPoke bad.cert.host 443
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
        at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1946)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:316)
        at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:310)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1639)
        at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:223)
        at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1037)
        at sun.security.ssl.Handshaker.process_record(Handshaker.java:965)
        at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1064)
        at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1367)
        at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:750)
        at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:123)
        at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:138)
        at SSLPoke.main(SSLPoke.java:53)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:397)
        at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:302)
        at sun.security.validator.Validator.validate(Validator.java:262)
        at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:330)
        at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:237)
        at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:132)
        at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1621)
        ... 9 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
        at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBuilder.java:141)
        at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:126)
        at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
        at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:392)
        ... 15 more