PacketMessage.h

 
#ifndef WINPR_WLOG_PACKET_MESSAGE_PRIVATE_H
#define WINPR_WLOG_PACKET_MESSAGE_PRIVATE_H
 
#include "wlog.h"
 
#define PCAP_MAGIC_NUMBER 0xA1B2C3D4
 
typedef struct
{
  UINT32 magic_number;  /* magic number */
  UINT16 version_major; /* major version number */
  UINT16 version_minor; /* minor version number */
  INT32 thiszone;       /* GMT to local correction */
  UINT32 sigfigs;       /* accuracy of timestamps */
  UINT32 snaplen;       /* max length of captured packets, in octets */
  UINT32 network;       /* data link type */
} wPcapHeader;
 
typedef struct
{
  UINT32 ts_sec;   /* timestamp seconds */
  UINT32 ts_usec;  /* timestamp microseconds */
  UINT32 incl_len; /* number of octets of packet saved in file */
  UINT32 orig_len; /* actual length of packet */
} wPcapRecordHeader;
 
typedef struct s_wPcapRecort
{
  wPcapRecordHeader header;
  void* data;
  size_t length;
  struct s_wPcapRecort* next;
} wPcapRecord;
 
typedef struct
{
  FILE* fp;
  char* name;
  BOOL write;
  SSIZE_T file_size;
  size_t record_count;
  wPcapHeader header;
  wPcapRecord* head;
  wPcapRecord* tail;
  wPcapRecord* record;
} wPcap;
 
void Pcap_Close(wPcap* pcap);
 
WINPR_ATTR_MALLOC(Pcap_Close, 1)
wPcap* Pcap_Open(char* name, BOOL write);
 
void Pcap_Flush(wPcap* pcap);
 
typedef struct
{
  BYTE Destination[6];
  BYTE Source[6];
  UINT16 Type;
} wEthernetHeader;
 
typedef struct
{
  BYTE Version;
  BYTE InternetHeaderLength;
  BYTE TypeOfService;
  UINT16 TotalLength;
  UINT16 Identification;
  BYTE InternetProtocolFlags;
  UINT16 FragmentOffset;
  BYTE TimeToLive;
  BYTE Protocol;
  UINT16 HeaderChecksum;
  UINT32 SourceAddress;
  UINT32 DestinationAddress;
} wIPv4Header;
 
typedef struct
{
  UINT16 SourcePort;
  UINT16 DestinationPort;
  UINT32 SequenceNumber;
  UINT32 AcknowledgementNumber;
  BYTE Offset;
  BYTE Reserved;
  BYTE TcpFlags;
  UINT16 Window;
  UINT16 Checksum;
  UINT16 UrgentPointer;
} wTcpHeader;
 
BOOL WLog_PacketMessage_Write(wPcap* pcap, void* data, size_t length, DWORD flags);
 
#endif /* WINPR_WLOG_PACKET_MESSAGE_PRIVATE_H */