Disable hostname verification for HttpsURLConnection requests

While disabling hostname verification significantly reduces security, sometimes you have no other option than to do it.

For example, when you get the following exception:

javax.net.ssl.SSLHandshakeException: No subject alternative DNS name matching <FQDN> found.

Building

$ make

This should produce dist/LenientHostnameVerifierAgent.jar, which is already included in this repository for convenience.

$ java -javaagent:LenientHostnameVerifierAgent.jar \
       -jar YourJarFile.jar

The code in src/LenientHostnameVerifierAgent.java was taken from the following page:

Thank you, Vadzim.

This project is licensed under the terms of the MIT license.

Code taken from Stack Overflow is licensed CC BY-SA 4.0.