#
#  ABFAB Trust router policies.
#
#	$Id: 5c1ac4bc88ab7d435ae2a32aff91140bea70d487 $
#


#
# Verify rp parameters
#
psk_authorize {
	if (TLS-PSK-Identity) {
		# TODO: may need to check trust-router-apc as well
		if ("%{psksql:select distinct keyid from authorizations_keys where keyid = '%{tls-psk-identity}' and '%{trust-router-coi}' like coi and '%{gss-acceptor-realm-name}' like acceptor_realm and '%{gss-acceptor-host-name}' like hostname;}") {
			# do things here
		}
		else {
		update reply {
			Reply-Message = "RP not authorized for this ABFAB request"
			}
			reject
		}
	}
}

abfab_client_check {
	# check that the acceptor host name is correct
	if ("%{client:gss_acceptor_host_name}" && &gss-acceptor-host-name) {
		if ("%{client:gss_acceptor_host_name}" != "%{gss-acceptor-host-name}") {
			update reply {
			        Reply-Message = "GSS-Acceptor-Host-Name incorrect"
				}
			reject
		}
	}

	# set trust-router-coi attribute from the client configuration
	if ("%{client:trust_router_coi}") {
		update request {
			Trust-Router-COI := "%{client:trust_router_coi}"
		}
	}

	# set gss-acceptor-realm-name attribute from the client configuration
	if ("%{client:gss_acceptor_realm_name}") {
		update request {
			GSS-Acceptor-Realm-Name := "%{client:gss_acceptor_realm_name}"
		}
	}
}

#  A policy which is used to validate channel-bindings.
#
abfab_channel_bindings {
	if (GSS-Acceptor-Service-Name && (outer.request:GSS-Acceptor-Service-Name != GSS-Acceptor-Service-Name)) {
		reject
	}

	if (GSS-Acceptor-Host-Name && outer.request:GSS-Acceptor-Host-Name != GSS-Acceptor-Host-Name ) {
		reject
	}

	if (GSS-Acceptor-Realm-Name && outer.request:GSS-Acceptor-Realm-Name != GSS-Acceptor-Realm-Name ) {
		reject
	}

	if (GSS-Acceptor-Service-Name || GSS-Acceptor-Realm-Name || GSS-Acceptor-Host-Name) {
		update control {
			Chbind-Response-Code := success
		}

		#
		#  ACK the attributes in the request.
		#
		#  If any one of these attributes don't exist in the request,
		#  then they won't be copied to the reply.
		#
		update reply {
			GSS-Acceptor-Service-Name = &GSS-Acceptor-Service-Name
			GSS-Acceptor-Host-Name = &GSS-Acceptor-Host-Name
			GSS-Acceptor-Realm-Name = &GSS-Acceptor-Realm-Name
		}
	}

	#
	#  Return "handled" so that the "authenticate" section isn't used.
	#
	handled
}
