static void test_complex_uri(void) {

	belle_generic_uri_t* source_uri = belle_generic_uri_parse("ftp://*****:*****@ftp.linphone.fr:1234/url?sa=t&rct=j&url=http%3A%2F%2Ftranslate.google.fr");
	char* source_uri_raw = belle_generic_uri_to_string(source_uri);
	belle_generic_uri_t* first_uri = belle_generic_uri_parse(source_uri_raw);
	belle_generic_uri_t* uri=BELLE_GENERIC_URI(belle_sip_object_clone(BELLE_SIP_OBJECT(first_uri)));
	belle_sip_free(source_uri_raw);
	belle_sip_object_unref(source_uri);
	belle_sip_object_unref(first_uri);

	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_scheme(uri),"ftp");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_host(uri),"ftp.linphone.fr");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_user(uri),"toto");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_user_password(uri),"secret");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_host(uri),"ftp.linphone.fr");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_path(uri),"/url");
	BC_ASSERT_EQUAL(belle_generic_uri_get_port(uri),1234,int,"%d");
	BC_ASSERT_STRING_EQUAL(belle_generic_uri_get_query(uri),"sa=t&rct=j&url=http://translate.google.fr");

	belle_sip_object_unref(uri);
}
static int http_channel_context_handle_authentication(belle_http_channel_context_t *ctx, belle_http_request_t *req){
	const char *realm=NULL;
	belle_sip_auth_event_t *ev=NULL;
	belle_http_response_t *resp=belle_http_request_get_response(req);
	const char *username=NULL;
	const char *passwd=NULL;
	const char *ha1=NULL;
	char computed_ha1[33];
	belle_sip_header_www_authenticate_t* authenticate;
	int ret=0;


	if (req->auth_attempt_count>1){
		req->auth_attempt_count=0;
		return -1;
	}
	if (resp == NULL ) {
		belle_sip_error("Missing response for  req [%p], cannot authenticate", req);
		return -1;
	}
	if (!(authenticate = belle_sip_message_get_header_by_type(resp,belle_sip_header_www_authenticate_t))) {
		if (belle_sip_message_get_header_by_type(resp,belle_sip_header_proxy_authenticate_t)) {
			belle_sip_error("Proxy authentication not supported yet, cannot authenticate for resp [%p]", resp);
		}
		belle_sip_error("Missing auth header in response  [%p], cannot authenticate", resp);
		return -1;
	}


	if (strcasecmp("Digest",belle_sip_header_www_authenticate_get_scheme(authenticate)) != 0) {
		belle_sip_error("Unsupported auth scheme [%s] in response  [%p], cannot authenticate", belle_sip_header_www_authenticate_get_scheme(authenticate),resp);
		return -1;
	}

	/*find if username, passwd were already supplied in original request uri*/
	if (req->orig_uri){
		username=belle_generic_uri_get_user(req->orig_uri);
		passwd=belle_generic_uri_get_user_password(req->orig_uri);
	}

	realm = belle_sip_header_www_authenticate_get_realm(authenticate);
	if (!username || !passwd) {
		ev=belle_sip_auth_event_create((belle_sip_object_t*)ctx->provider,realm,NULL);
		BELLE_HTTP_REQUEST_INVOKE_LISTENER(req,process_auth_requested,ev);
		username=ev->username;
		passwd=ev->passwd;
		ha1=ev->ha1;
	}
	if (!ha1 && username  && passwd) {
		belle_sip_auth_helper_compute_ha1(username,realm,passwd, computed_ha1);
		ha1=computed_ha1;
	} else if (!ha1){
		belle_sip_error("No auth info found for request [%p], cannot authenticate",req);
		ret=-1;
	}

	if (ha1) {
		belle_http_header_authorization_t* authorization;
		req->auth_attempt_count++;

		authorization = belle_http_auth_helper_create_authorization(authenticate);
		/*select first qop mode*/
		belle_sip_header_authorization_set_qop(BELLE_SIP_HEADER_AUTHORIZATION(authorization),belle_sip_header_www_authenticate_get_qop_first(authenticate));
		belle_sip_header_authorization_set_nonce_count(BELLE_SIP_HEADER_AUTHORIZATION(authorization),1); /*we don't store nonce count for now*/
		belle_sip_header_authorization_set_username(BELLE_SIP_HEADER_AUTHORIZATION(authorization),username);
		belle_http_header_authorization_set_uri(authorization,belle_http_request_get_uri(req));
		if (belle_sip_auth_helper_fill_authorization(BELLE_SIP_HEADER_AUTHORIZATION(authorization),belle_http_request_get_method(req),ha1)) {
			belle_sip_error("Cannot fill auth header for request [%p]",req);
			if (authorization) belle_sip_object_unref(authorization);
			ret=-1;
		} else {
			belle_sip_message_remove_header(BELLE_SIP_MESSAGE(req),BELLE_HTTP_AUTHORIZATION);
			belle_sip_message_add_header(BELLE_SIP_MESSAGE(req),BELLE_SIP_HEADER(authorization));
			belle_http_provider_send_request(ctx->provider,req,NULL);
		}

	}
	if (ev) belle_sip_auth_event_destroy(ev);
	return ret;
}