static struct ast_sip_endpoint *anonymous_identify(pjsip_rx_data *rdata)
{
	char domain_name[DOMAIN_NAME_LEN + 1];
	struct ast_sip_endpoint *endpoint;

	if (get_endpoint_details(rdata, domain_name, sizeof(domain_name))) {
		return NULL;
	}

	if (!ast_sip_get_disable_multi_domain()) {
		struct ast_sip_domain_alias *alias;
		struct ao2_container *transport_states;
		struct ast_sip_transport_state *transport_state = NULL;
		struct ast_sip_transport *transport = NULL;
		char id[sizeof("anonymous@") + DOMAIN_NAME_LEN];

		/* Attempt to find the endpoint given the name and domain provided */
		snprintf(id, sizeof(id), "anonymous@%s", domain_name);
		endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
		if (endpoint) {
			goto done;
		}

		/* See if an alias exists for the domain provided */
		alias = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "domain_alias",
			domain_name);
		if (alias) {
			snprintf(id, sizeof(id), "anonymous@%s", alias->domain);
			ao2_ref(alias, -1);
			endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
			if (endpoint) {
				goto done;
			}
		}

		/* See if the transport this came in on has a provided domain */
		if ((transport_states = ast_sip_get_transport_states())
			&& (transport_state = ao2_callback(transport_states, 0, find_transport_state_in_use, rdata))
			&& (transport = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "transport", transport_state->id))
			&& !ast_strlen_zero(transport->domain)) {
			snprintf(id, sizeof(id), "anonymous@%s", transport->domain);
			endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id);
		}
		ao2_cleanup(transport);
		ao2_cleanup(transport_state);
		ao2_cleanup(transport_states);
		if (endpoint) {
			goto done;
		}
	}

	/* Fall back to no domain */
	endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", "anonymous");

done:
	if (endpoint) {
		ast_debug(3, "Retrieved anonymous endpoint '%s'\n", ast_sorcery_object_get_id(endpoint));
	}
	return endpoint;
}
static struct ast_sip_endpoint *username_identify(pjsip_rx_data *rdata)
{
	char endpoint_name[64], domain_name[64], id[AST_UUID_STR_LEN];
	struct ast_sip_endpoint *endpoint;
	RAII_VAR(struct ast_sip_domain_alias *, alias, NULL, ao2_cleanup);
	RAII_VAR(struct ao2_container *, transports, NULL, ao2_cleanup);
	RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);

	if (get_endpoint_details(rdata, endpoint_name, sizeof(endpoint_name), domain_name, sizeof(domain_name))) {
		return NULL;
	}

	/* Attempt to find the endpoint given the name and domain provided */
	snprintf(id, sizeof(id), "%s@%s", endpoint_name, domain_name);
	if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
		goto done;
	}

	/* See if an alias exists for the domain provided */
	if ((alias = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "domain_alias", domain_name))) {
		snprintf(id, sizeof(id), "%s@%s", endpoint_name, alias->domain);
		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
			goto done;
		}
	}

	/* See if the transport this came in on has a provided domain */
	if ((transports = ast_sorcery_retrieve_by_fields(ast_sip_get_sorcery(), "transport", AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL)) &&
		(transport = ao2_callback(transports, 0, find_transport_in_use, rdata)) &&
		!ast_strlen_zero(transport->domain)) {
		snprintf(id, sizeof(id), "%s@%s", endpoint_name, transport->domain);
		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
			goto done;
		}
	}

	/* Fall back to no domain */
	endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", endpoint_name);

done:
	if (endpoint) {
		if (!(endpoint->ident_method & AST_SIP_ENDPOINT_IDENTIFY_BY_USERNAME)) {
			ao2_ref(endpoint, -1);
			return NULL;
		}
		ast_debug(3, "Retrieved endpoint %s\n", ast_sorcery_object_get_id(endpoint));
	} else {
		ast_debug(3, "Could not identify endpoint by username '%s'\n", endpoint_name);
	}
	return endpoint;
}
static struct ast_sip_endpoint *anonymous_identify(pjsip_rx_data *rdata)
{
	char domain_name[64], id[AST_UUID_STR_LEN];
	struct ast_sip_endpoint *endpoint;
	RAII_VAR(struct ast_sip_domain_alias *, alias, NULL, ao2_cleanup);
	RAII_VAR(struct ao2_container *, transports, NULL, ao2_cleanup);
	RAII_VAR(struct ast_sip_transport *, transport, NULL, ao2_cleanup);

	if (get_endpoint_details(rdata, domain_name, sizeof(domain_name))) {
		return NULL;
	}

	/* Attempt to find the endpoint given the name and domain provided */
	snprintf(id, sizeof(id), "anonymous@%s", domain_name);
	if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
		goto done;
	}

	/* See if an alias exists for the domain provided */
	if ((alias = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "domain_alias", domain_name))) {
		snprintf(id, sizeof(id), "anonymous@%s", alias->domain);
		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
			goto done;
		}
	}

	/* See if the transport this came in on has a provided domain */
	if ((transports = ast_sorcery_retrieve_by_fields(ast_sip_get_sorcery(), "transport", AST_RETRIEVE_FLAG_MULTIPLE | AST_RETRIEVE_FLAG_ALL, NULL)) &&
		(transport = ao2_callback(transports, 0, find_transport_in_use, rdata)) &&
		!ast_strlen_zero(transport->domain)) {
		snprintf(id, sizeof(id), "anonymous@%s", transport->domain);
		if ((endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", id))) {
			goto done;
		}
	}

	/* Fall back to no domain */
	endpoint = ast_sorcery_retrieve_by_id(ast_sip_get_sorcery(), "endpoint", "anonymous");

done:
	if (endpoint) {
		ast_debug(3, "Retrieved anonymous endpoint '%s'\n", ast_sorcery_object_get_id(endpoint));
	}
	return endpoint;
}