A default interaction-handler.
A default interaction-handler.Consult the connection's configuration structure for the relevant information. If absent, then it queries the user via stdin.
Input Keys, all optional:
- SASL_LOCAL_REALM
- The authentication realm.
- SASL_LOCAL_USERNAME
- The SASL authentication-identity.
- SASL_LOCAL_TARGET
- The SASL authorization-identity.
- SASL_LOCAL_PASSPHRASE
- The passphrase for the authentication-identity.
Consult the callback information for an explanation of the parameters and return value.