def search_service(self, pkg):
"""For HTTP, a service if not found by conventional method,
the 'host' header can be used to determine destiny URL.
The Service from 'host' header is searched the same way as a DNS cache answered.
"""
service = super().search_service(pkg)
if service:
return service
if hasattr(pkg.http, 'host'):
# When header host is IP addr, create service 'Unknown (IP)'.
# If not, service will have name of the IP
# The name must have info of the IP for the equals btw services
if is_ipaddress(pkg.http.host):
return Service.from_ip_only(pkg.http.host)
else:
name = get_significant_name_from_url(pkg.http.host)
service = self.environment.service_analyzer.find_service_from_absolute_url(
pkg.http.host
) or self.environment.service_analyzer.find_service_from_url(
pkg.http.host) or Service.from_name(name)
service.hosts.add(pkg.http.host)
return service
else:
return None
