+static void test_message_handler(void) {
+ _cleanup_dhcp_server_unref_ sd_dhcp_server *server = NULL;
+ struct {
+ DHCPMessage message;
+ struct {
+ uint8_t code;
+ uint8_t length;
+ uint8_t type;
+ } _packed_ option_type;
+ uint8_t end;
+ } _packed_ test = {
+ .message.op = BOOTREQUEST,
+ .message.htype = ARPHRD_ETHER,
+ .message.hlen = ETHER_ADDR_LEN,
+ .option_type.code = DHCP_OPTION_MESSAGE_TYPE,
+ .option_type.length = 1,
+ .option_type.type = DHCP_DISCOVER,
+ .end = DHCP_OPTION_END,
+ };
+
+ assert_se(sd_dhcp_server_new(&server, 1) >= 0);
+
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+
+ test.end = 0;
+ /* TODO, shouldn't this fail? */
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+ test.end = DHCP_OPTION_END;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+
+ test.option_type.code = 0;
+ test.option_type.length = 0;
+ test.option_type.type = 0;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
+ test.option_type.code = DHCP_OPTION_MESSAGE_TYPE;
+ test.option_type.length = 1;
+ test.option_type.type = DHCP_DISCOVER;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+
+ test.message.op = 0;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
+ test.message.op = BOOTREQUEST;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+
+ test.message.htype = 0;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
+ test.message.htype = ARPHRD_ETHER;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+
+ test.message.hlen = 0;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
+ test.message.hlen = ETHER_ADDR_LEN;
+ assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 1);
+}
+