Leaked source code of windows server 2003
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/*++
Copyright (c) 1998 Microsoft Corporation
Module Name:
routing\ip\rtrmgr\mcmisc.h
Abstract:
Header file for mrinfo and mtrace-related stuff
Revision History:
Dave Thaler 20th Apr 1998 Created
--*/
#ifndef __MCMISC_H__
#define __MCMISC_H__
#include <pshpack1.h>
//
// Identify all address variables by IPV4_ADDRESS to make it
// easier to port to IPv6.
//
typedef DWORD IPV4_ADDRESS, *PIPV4_ADDRESS;
typedef struct _IGMP_HEADER
{
BYTE byType;
BYTE byCode;
WORD wXSum;
DWORD dwReserved;
} IGMP_HEADER, *PIGMP_HEADER;
#define MIN_IGMP_PACKET_SIZE sizeof(IGMP_HEADER)
//
// Format of an mrinfo message
//
typedef struct _MRINFO_HEADER
{
BYTE byType;
BYTE byCode;
WORD wChecksum;
BYTE byReserved;
BYTE byCapabilities;
BYTE byMinor;
BYTE byMajor;
}MRINFO_HEADER, *PMRINFO_HEADER;
//
// Format of an mtrace header
//
typedef struct _MTRACE_HEADER
{
BYTE byType;
BYTE byHops;
WORD wChecksum;
IPV4_ADDRESS dwGroupAddress;
IPV4_ADDRESS dwSourceAddress;
IPV4_ADDRESS dwDestAddress;
IPV4_ADDRESS dwResponseAddress;
BYTE byRespTtl;
BYTE byQueryID1;
WORD wQueryID2;
}MTRACE_HEADER, *PMTRACE_HEADER;
//
// Format of a response block inside an mtrace message
//
typedef struct _MTRACE_RESPONSE_BLOCK
{
DWORD dwQueryArrivalTime;
IPV4_ADDRESS dwIifAddr;
IPV4_ADDRESS dwOifAddr;
IPV4_ADDRESS dwPrevHopAddr;
DWORD dwIifPacketCount;
DWORD dwOifPacketCount;
DWORD dwSGPacketCount;
BYTE byIifProtocol;
BYTE byOifThreshold;
BYTE bySrcMaskLength;
BYTE byStatusCode;
}MTRACE_RESPONSE_BLOCK, *PMTRACE_RESPONSE_BLOCK;
#include <poppack.h>
//
// igmp type field
//
#define IGMP_DVMRP 0x13
#define IGMP_MTRACE_RESPONSE 0x1e
#define IGMP_MTRACE_REQUEST 0x1f
//
// dvmrp code field
//
#define DVMRP_ASK_NEIGHBORS2 0x05
#define DVMRP_NEIGHBORS2 0x06
//
// mrinfo flags field
//
#define MRINFO_TUNNEL_FLAG 0x01
#define MRINFO_DOWN_FLAG 0x10
#define MRINFO_DISABLED_FLAG 0x20
#define MRINFO_QUERIER_FLAG 0x40
#define MRINFO_LEAF_FLAG 0x80
//
// mrinfo capabilities field
//
#define MRINFO_CAP_LEAF 0x01
#define MRINFO_CAP_PRUNE 0x02
#define MRINFO_CAP_GENID 0x04
#define MRINFO_CAP_MTRACE 0x08
#define MRINFO_CAP_SNMP 0x10
//
// Function prototypes
//
DWORD
McSetMulticastTtl(
SOCKET s,
DWORD dwTtl
);
DWORD
McSetMulticastIfByIndex(
SOCKET s,
DWORD dwSockType,
DWORD dwIfIndex
);
DWORD
McSetMulticastIf(
SOCKET s,
IPV4_ADDRESS ipAddr
);
DWORD
McJoinGroupByIndex(
SOCKET s,
DWORD dwSockType,
IPV4_ADDRESS ipGroup,
DWORD dwIfIndex
);
DWORD
McJoinGroup(
SOCKET s,
IPV4_ADDRESS ipGroup,
IPV4_ADDRESS ipInterface
);
DWORD
StartMcMisc(
VOID
);
VOID
StopMcMisc(
VOID
);
VOID
HandleMrinfoRequest(
IPV4_ADDRESS dwLocalAddr,
SOCKADDR_IN *sinDestAddr
);
VOID
HandleMtraceRequest(
WSABUF *pWsabuf
);
VOID
HandleMcMiscMessages(
VOID
);
DWORD
MulticastOwner(
PICB picb, // IN: interface config block
PPROTO_CB *pcbOwner, // OUT: owner
PPROTO_CB *pcbQuerier // OUT: IGMP
);
BYTE
MaskToMaskLen(
IPV4_ADDRESS dwMask
);
IPV4_ADDRESS
defaultSourceAddress(
PICB picb
);
//
// RAS Server Advertisement constants
//
#define RASADV_GROUP "239.255.2.2"
#define RASADV_PORT 9753
#define RASADV_PERIOD 3600000 // 1 hour (in milliseconds)
#define RASADV_STARTUP_DELAY 0 // immediately
#define RASADV_TTL 15
DWORD
SetRasAdvEnable(
BOOL bEnabled
);
VOID
HandleRasAdvTimer(
VOID
);
#endif