Adding SSL cert parameter accessors to AsyncMysqlResult class
Summary:
Adding methods to `AsyncMysqlResult` class for retrieving information about server certificate presented during TLS handshake:
- getSslCertCn() returns a string containing FDQN
- getSslCertSan() returns a string containing a comma-separated list of Subject Alternative Names
- getSslCertExtensions() returns a comma-separated list of values from custom extensions requestsd by the caller upon connection initiation
- isSslCertValidationEnforced() returns boolean indicating if server cert validation was enforced.
Reviewed By: aditya-jalan
Differential Revision:
D33663742
fbshipit-source-id:
177c3dfec8b71030e82afdd9c2ecca274e53d825