.\" Copyright (c) 2018-2022, OARC, Inc. .\" All rights reserved. .\" .\" This file is part of dnsjit. .\" .\" dnsjit is free software: you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by .\" the Free Software Foundation, either version 3 of the License, or .\" (at your option) any later version. .\" .\" dnsjit is distributed in the hope that it will be useful, .\" but WITHOUT ANY WARRANTY; without even the implied warranty of .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the .\" GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public License .\" along with dnsjit. If not, see . .\" .TH dnsjit.core.object.icmp 3 "1.2.3" "dnsjit" .SH NAME dnsjit.core.object.icmp \- An ICMP packet .SH DESCRIPTION An ICMP packet which is usually at the top of the object chain after parsing with, for example, Layer filter. .SS Attributes .TP type The type of ICMP message. .TP code The (response/error) code for the ICMP type message. .TP cksum The ICMP checksum. .SS Functions .TP .BR Icmp:type "()" Return the textual type of the object. .TP .BR Icmp:prev "()" Return the previous object. .TP .BR Icmp:cast "()" Cast the object to the underlining object module and return it. .TP .BR Icmp:uncast "()" Cast the object to the generic object module and return it. .TP .BR Icmp:copy "()" Make a copy of the object and return it. .TP .BR Icmp:free "()" Free the object, should only be used on copies or otherwise allocated. .SH SEE ALSO .BR dnsjit.core.object (3), .BR dnsjit.filter.layer (3) .SH AUTHORS and CONTRIBUTORS Jerry Lundström (DNS-OARC), Tomáš Křížek (CZ.NIC), Petr Špaček (ISC) .LP Maintained by DNS-OARC .LP .RS .I https://www.dns-oarc.net/ .RE .LP .SH BUGS For issues and feature requests please use: .LP .RS \fIhttps://github.com/DNS-OARC/dnsjit/issues\fP .RE .LP For question and help please use: .LP .RS \fIadmin@dns-oarc.net\fP .RE .LP