Package certs implements a CertSource which speaks to the public Cloud SQL API endpoint.

Package fuse provides a connection source wherein the user does not need to specify which instance they are connecting to before they start the executable.

Package limits provides routines to check and enforce certain resource limits on the Cloud SQL client proxy process.

Package proxy implements client and server code for proxying an unsecure connection over SSL.

Package util contains utility functions for use throughout the Cloud SQL Auth proxy.