llmnr_responder.h
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1 /**
2  * @file llmnr_responder.h
3  * @brief LLMNR responder (Link-Local Multicast Name Resolution)
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2019 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneTCP Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 1.9.2
29  **/
30 
31 #ifndef _LLMNR_RESPONDER_H
32 #define _LLMNR_RESPONDER_H
33 
34 //Dependencies
35 #include "core/net.h"
36 #include "core/udp.h"
37 #include "dns/dns_common.h"
38 #include "llmnr/llmnr_common.h"
39 
40 //LLMNR responder support
41 #ifndef LLMNR_RESPONDER_SUPPORT
42  #define LLMNR_RESPONDER_SUPPORT DISABLED
43 #elif (LLMNR_RESPONDER_SUPPORT != ENABLED && LLMNR_RESPONDER_SUPPORT != DISABLED)
44  #error LLMNR_RESPONDER_SUPPORT parameter is not valid
45 #endif
46 
47 //C++ guard
48 #ifdef __cplusplus
49  extern "C" {
50 #endif
51 
52 //LLMNR related functions
53 void llmnrProcessQuery(NetInterface *interface, const IpPseudoHeader *pseudoHeader,
54  const UdpHeader *udpHeader, const LlmnrHeader *message, size_t length);
55 
57  uint16_t destPort, uint16_t id, uint16_t qtype, uint16_t qclass);
58 
59 //C++ guard
60 #ifdef __cplusplus
61  }
62 #endif
63 
64 #endif
uint16_t destPort
Definition: tcp.h:303
error_t llmnrSendResponse(NetInterface *interface, const IpAddr *destIpAddr, uint16_t destPort, uint16_t id, uint16_t qtype, uint16_t qclass)
Send LLMNR response message.
TCP/IP stack core.
uint16_t qtype
Definition: dns_common.h:192
uint8_t message[]
Definition: chap.h:152
void llmnrProcessQuery(NetInterface *interface, const IpPseudoHeader *pseudoHeader, const UdpHeader *udpHeader, const LlmnrHeader *message, size_t length)
Process LLMNR query message.
IP network address.
Definition: ip.h:59
uint16_t qclass
Definition: dns_common.h:193
__start_packed struct @126 UdpHeader
UDP header.
error_t
Error codes.
Definition: error.h:42
Ipv4Addr destIpAddr
Definition: ipcp.h:78
#define NetInterface
Definition: net.h:36
__start_packed struct @208 LlmnrHeader
LLMNR message header.
IP pseudo header.
Definition: ip.h:78
Definitions common to LLMNR client and responder.
uint8_t length
Definition: dtls_misc.h:142
Common DNS routines.
UDP (User Datagram Protocol)