libtins 4.5
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dot3.h
1/*
2 * Copyright (c) 2017, Matias Fontanini
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30#ifndef TINS_DOT3_H
31#define TINS_DOT3_H
32
33#include <stdint.h>
34#include <tins/macros.h>
35#include <tins/pdu.h>
36#include <tins/config.h>
37#include <tins/endianness.h>
38#include <tins/hw_address.h>
39
40namespace Tins {
41
46class TINS_API Dot3 : public PDU {
47public:
52
56 static const PDU::PDUType pdu_flag = PDU::IEEE802_3;
57
61 static const address_type BROADCAST;
62
69 static metadata extract_metadata(const uint8_t *buffer, uint32_t total_sz);
70
81 Dot3(const address_type& dst_hw_addr = address_type(),
82 const address_type& src_hw_addr = address_type());
83
94 Dot3(const uint8_t* buffer, uint32_t total_sz);
95
96 /* Getters */
103 return header_.dst_mac;
104 }
105
112 return header_.src_mac;
113 }
114
119 uint16_t length() const {
120 return Endian::be_to_host(header_.length);
121 }
122
123 /* Setters */
124
130 void dst_addr(const address_type& address);
131
137 void src_addr(const address_type& address);
138
144 void length(uint16_t value);
145
146 // Virtual methods
147
154 uint32_t header_size() const;
155
156 #if !defined(_WIN32) || defined(TINS_HAVE_PACKET_SENDER_PCAP_SENDPACKET)
160 void send(PacketSender& sender, const NetworkInterface& iface);
161 #endif // !_WIN32 || TINS_HAVE_PACKET_SENDER_PCAP_SENDPACKET
162
170 bool matches_response(const uint8_t* ptr, uint32_t total_sz) const;
171
172 #ifndef _WIN32
176 PDU* recv_response(PacketSender& sender, const NetworkInterface& iface);
177 #endif // _WIN32
178
183 PDUType pdu_type() const { return pdu_flag; }
184
188 Dot3* clone() const {
189 return new Dot3(*this);
190 }
191private:
195 TINS_BEGIN_PACK
196 struct dot3_header {
197 uint8_t dst_mac[address_type::address_size];
198 uint8_t src_mac[address_type::address_size];
199 uint16_t length;
200 } TINS_END_PACK;
201
202 void write_serialization(uint8_t* buffer, uint32_t total_sz);
203
204 dot3_header header_;
205};
206
207} // Tins
208
209#endif // TINS_DOT3_H
Class representing an IEEE 802.3 PDU.
Definition dot3.h:46
uint16_t length() const
Getter for the length field.
Definition dot3.h:119
address_type src_addr() const
Getter for the source hardware address.
Definition dot3.h:111
HWAddress< 6 > address_type
The address type.
Definition dot3.h:51
static const address_type BROADCAST
Represents the Dot3 broadcast address.
Definition dot3.h:61
Dot3 * clone() const
Definition dot3.h:188
PDUType pdu_type() const
Getter for the PDU's type.
Definition dot3.h:183
address_type dst_addr() const
Getter for the destination hardware address.
Definition dot3.h:102
Represents a hardware address.
Definition resolve_utils.h:43
Abstraction of a network interface.
Definition network_interface.h:47
Base class for protocol data units.
Definition pdu.h:107
PDUType
Enum which identifies each type of PDU.
Definition pdu.h:127
Sends packets through a network interface.
Definition packet_sender.h:118
The Tins namespace.
Definition address_range.h:38
Type used to store a PDU header's data.
Definition pdu.h:197