/*
* linux_compat.h
*
* Copyright (C) 2009-2011 by ipoque GmbH
* Copyright (C) 2011-15 - ntop.org
*
* This file is part of nDPI, an open source deep packet inspection
* library based on the OpenDPI and PACE technology by ipoque GmbH
*
* nDPI is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nDPI 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nDPI. If not, see .
*
*/
#ifndef __NDPI_LINUX_COMPAT_H__
#define __NDPI_LINUX_COMPAT_H__
#include "ndpi_define.h"
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#include
#if _BYTE_ORDER == _LITTLE_ENDIAN
#ifndef __LITTLE_ENDIAN__
#define __LITTLE_ENDIAN__ 1
#endif
#else
#ifndef __BIG_ENDIAN__
#define __BIG_ENDIAN__ 1
#endif
#endif
#endif
#pragma pack(push, 1) /* push current alignment to stack */
#pragma pack(1) /* set alignment to 1 byte boundary */
#pragma pack(pop) /* restore original alignment from stack */
/* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* ++++++++++ Cisco HDLC data structures +++++++++++++++++++++++ */
/* +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ */
struct ndpi_chdlc
{
u_int8_t addr; /* 0x0F (Unicast) - 0x8F (Broadcast) */
u_int8_t ctrl; /* always 0x00 */
u_int16_t proto_code; /* protocol type (e.g. 0x0800 IP) */
};
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* +++++++++++ Ethernet data structures +++++++++++++ */
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
struct ndpi_ethhdr
{
u_char h_dest[6]; /* destination eth addr */
u_char h_source[6]; /* source ether addr */
u_int16_t h_proto; /* packet type ID field */
};
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* +++++++++++ ieee802.11 data structures +++++++++++ */
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/******* RADIO TAP *******/
/* radiotap header */
struct ndpi_radiotap_header
{
u_int8_t version; /* set to 0 */
u_int8_t pad;
u_int16_t len;
u_int32_t present;
u_int64_t MAC_timestamp;
u_int8_t flags;
} __attribute__((__packed__));
/* Beacon frame */
struct ndpi_beacon
{
/* header -- 24 byte */
u_int16_t fc;
u_int16_t duration;
u_char rcv_addr[6];
u_char trsm_addr[6];
u_char bssid[6];
u_int16_t seq_ctrl;
/* body (variable) */
u_int64_t timestamp; /* 802.11 Timestamp value at frame send */
u_int16_t beacon_interval; /* Interval at which beacons are send */
u_int16_t capability;
/** List of information elements **/
/* union ndpi_80211_info info_element[0]; */
} __attribute__((packed));
/* Wifi data frame - TODO: specify when addr1 addr2 addr3 is rcv, trams or bssid*/
struct ndpi_wifi_data_frame
{
u_int16_t fc;
u_int16_t duration;
u_char addr1[6];
u_char addr2[6];
u_char addr3[6];
u_int16_t seq_ctrl;
} __attribute__((packed));
/* Logical-Link Control header */
struct ndpi_llc_header_proto
{
u_int8_t dsap;
u_int8_t ssap;
u_int8_t ctl;
/* u_int8_t pad1; */
u_int16_t org;
u_int8_t org2;
/* u_int8_t pad2; */
u_int16_t ether_IP_type;
} __attribute__((packed));
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* ++++++++++++++ IP data structures ++++++++++++++++ */
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* IP header */
struct ndpi_iphdr {
#if defined(__LITTLE_ENDIAN__)
u_int8_t ihl:4, version:4;
#elif defined(__BIG_ENDIAN__)
u_int8_t version:4, ihl:4;
#else
# error "Byte order must be defined"
#endif
u_int8_t tos;
u_int16_t tot_len;
u_int16_t id;
u_int16_t frag_off;
u_int8_t ttl;
u_int8_t protocol;
u_int16_t check;
u_int32_t saddr;
u_int32_t daddr;
};
#ifdef WIN32
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int uint;
typedef unsigned long u_long;
typedef u_char u_int8_t;
typedef u_short u_int16_t;
typedef uint u_int32_t;
#define _WS2TCPIP_H_ /* Avoid compilation problems */
#define HAVE_SIN6_LEN
/* IPv6 address */
/* Already defined in WS2tcpip.h */
struct ndpi_win_in6_addr
{
union {
u_int8_t u6_addr8[16];
u_int16_t u6_addr16[8];
u_int32_t u6_addr32[4];
} in6_u;
};
#define in6_addr win_in6_addr
/* Generic extension header. */
struct ndpi_ip6_ext
{
u_int8_t ip6e_nxt; /* next header. */
u_int8_t ip6e_len; /* length in units of 8 octets. */
};
/*
#define s6_addr u6_addr.u6_addr8
#define s6_addr16 u6_addr.u6_addr16
#define s6_addr32 u6_addr.u6_addr32
*/
#else
#ifndef __KERNEL__
#include
#endif
#endif
struct ndpi_in6_addr {
union {
u_int8_t u6_addr8[16];
u_int16_t u6_addr16[8];
u_int32_t u6_addr32[4];
} u6_addr; /* 128-bit IP6 address */
};
struct ndpi_ip6_hdr {
union {
struct ndpi_ip6_hdrctl {
u_int32_t ip6_un1_flow;
u_int16_t ip6_un1_plen;
u_int8_t ip6_un1_nxt;
u_int8_t ip6_un1_hlim;
} ip6_un1;
u_int8_t ip6_un2_vfc;
} ip6_ctlun;
struct ndpi_in6_addr ip6_src;
struct ndpi_in6_addr ip6_dst;
};
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
/* ++++++++ Transport Layer data structures +++++++++ */
/* ++++++++++++++++++++++++++++++++++++++++++++++++++ */
struct ndpi_tcphdr {
u_int16_t source;
u_int16_t dest;
u_int32_t seq;
u_int32_t ack_seq;
#if defined(__LITTLE_ENDIAN__)
u_int16_t res1:4, doff:4, fin:1, syn:1, rst:1, psh:1, ack:1, urg:1, ece:1, cwr:1;
#elif defined(__BIG_ENDIAN__)
u_int16_t doff:4, res1:4, cwr:1, ece:1, urg:1, ack:1, psh:1, rst:1, syn:1, fin:1;
#else
# error "Byte order must be defined"
#endif
u_int16_t window;
u_int16_t check;
u_int16_t urg_ptr;
};
struct ndpi_udphdr {
u_int16_t source;
u_int16_t dest;
u_int16_t len;
u_int16_t check;
};
#endif