1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
** Copyright (C) 2018-2019 Cisco and/or its affiliates. All rights reserved.
** Author: Michael R. Altizer <mialtize@cisco.com>
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License Version 2 as
** published by the Free Software Foundation. You may not use, modify or
** distribute this program under any other version of the GNU General
** Public License.
**
** This program 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 this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _NETINET_COMPAT_H
#define _NETINET_COMPAT_H
#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__darwin__) || defined(__OpenBSD__)
#include <sys/socket.h> // Needed for struct sockaddr and int types
#endif
#if defined(__OpenBSD__)
#include <net/if_arp.h> // Needed for struct arphdr
#endif
#include <netinet/if_ether.h>
typedef struct arphdr EthArpHdr;
typedef struct ether_arp EthArp;
typedef struct ether_header EthHdr;
#include <netinet/in.h>
#ifndef IPPROTO_MH
#define IPPROTO_MH 135
#endif
#include <netinet/tcp.h>
typedef struct tcphdr TcpHdr;
#include <netinet/udp.h>
typedef struct udphdr UdpHdr;
#if defined(__linux__)
#include <netinet/icmp6.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/ip6.h>
typedef struct iphdr IpHdr;
typedef struct icmphdr IcmpHdr;
typedef struct ip6_hdr Ip6Hdr;
typedef struct ip6_ext Ip6Ext;
typedef struct ip6_frag Ip6Frag;
typedef struct icmp6_hdr Icmp6Hdr;
#else
#define IP_MAXPACKET 65535 /* maximum packet size */
typedef struct _ip_hdr
{
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
unsigned int ihl:4;
unsigned int version:4;
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
unsigned int version:4;
unsigned int ihl:4;
#else
# error "Unknown endianness!"
#endif
uint8_t tos;
uint16_t tot_len;
uint16_t id;
uint16_t frag_off;
uint8_t ttl;
uint8_t protocol;
uint16_t check;
uint32_t saddr;
uint32_t daddr;
/*The options start here. */
} IpHdr;
#define ICMP_ECHOREPLY 0 /* Echo Reply */
#define ICMP_ECHO 8 /* Echo Request */
typedef struct _icmp_hdr
{
uint8_t type; /* message type */
uint8_t code; /* type sub-code */
uint16_t checksum;
union
{
struct
{
uint16_t id;
uint16_t sequence;
} echo; /* echo datagram */
uint32_t gateway; /* gateway address */
struct
{
uint16_t __glibc_reserved;
uint16_t mtu;
} frag; /* path mtu discovery */
} un;
} IcmpHdr;
typedef struct _ip6_hdr
{
union
{
struct ip6_hdrctl
{
uint32_t ip6_un1_flow; /* 4 bits version, 8 bits TC,
20 bits flow-ID */
uint16_t ip6_un1_plen; /* payload length */
uint8_t ip6_un1_nxt; /* next header */
uint8_t ip6_un1_hlim; /* hop limit */
} ip6_un1;
uint8_t ip6_un2_vfc; /* 4 bits version, top 4 bits tclass */
} ip6_ctlun;
struct in6_addr ip6_src; /* source address */
struct in6_addr ip6_dst; /* destination address */
} Ip6Hdr;
#define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
#define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
#define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
/* Generic extension header. */
typedef struct _ip6_ext
{
uint8_t ip6e_nxt; /* next header. */
uint8_t ip6e_len; /* length in units of 8 octets. */
} Ip6Ext;
/* Fragment header */
typedef struct _ip6_frag
{
uint8_t ip6f_nxt; /* next header */
uint8_t ip6f_reserved; /* reserved field */
uint16_t ip6f_offlg; /* offset, reserved, and flag */
uint32_t ip6f_ident; /* identification */
} Ip6Frag;
#define ICMP6_ECHO_REQUEST 128
#define ICMP6_ECHO_REPLY 129
typedef struct _icmp6_hdr
{
uint8_t icmp6_type; /* type field */
uint8_t icmp6_code; /* code field */
uint16_t icmp6_cksum; /* checksum field */
union
{
uint32_t icmp6_un_data32[1]; /* type-specific field */
uint16_t icmp6_un_data16[2]; /* type-specific field */
uint8_t icmp6_un_data8[4]; /* type-specific field */
} icmp6_dataun;
} Icmp6Hdr;
#define icmp6_data16 icmp6_dataun.icmp6_un_data16
#define icmp6_id icmp6_data16[0] /* echo request/reply */
#define icmp6_seq icmp6_data16[1] /* echo request/reply */
#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__darwin__) || defined(__OpenBSD__)
#define s6_addr16 __u6_addr.__u6_addr16
#define s6_addr32 __u6_addr.__u6_addr32
#endif
#endif
#endif /* _NETINET_COMPAT_H */
|
