/* * H323Parser.cpp *  * Copyright (c) 2001 Institute for Information Industry, Taiwan, Republic of China  * (http://www.iii.org.tw/iiia/ewelcome.htm) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 1, or (at your option) * any later version. * * 2001/07/27 Huang-Ming Huang * Fixed the problem which the parser mistakes the Q.931 message for H.245 message. */#define H323_MESSAGES_CXX#define MULTIMEDIA_SYSTEM_CONTROL_CXX#include "h323_messages.h"#include "multimedia_system_control.h"#include "call_transfer_operations.h"#include "call_diversion_operations.h"#include "call_hold_operations.h"#include "call_park_pickup_operations.h"#include "call_waiting_operations.h"#include "message_waiting_indication_operations.h"#include "name_operations.h"#include "call_completion_operations.h"#include "call_offer_operations.h"#include "q931pdu.h"#include "perattacher.h"#include <netmon.h>// Globals -------------------------------------------------------------------HPROTOCOL hRAS = NULL;HPROTOCOL hTPKT  = NULL;HPROTOCOL hQ931  = NULL;HPROTOCOL hH245  = NULL;DWORD     Attached = 0;// Functions -----------------------------------------------------------------extern VOID   WINAPI H323_Deregister( HPROTOCOL hRAS);extern DWORD  WINAPI H323_FormatProperties( HFRAME hFrame,                                                 LPBYTE pMacFrame,                                                 LPBYTE pH323Frame,                                                 DWORD nPropertyInsts,                                                 LPPROPERTYINST p);VOID WINAPIV Custom_Format( LPPROPERTYINST pPropertyInst);extern VOID   WINAPI RAS_Register( HPROTOCOL hRAS);extern LPBYTE WINAPI RAS_RecognizeFrame( HFRAME hFrame,                                               LPBYTE pMacFrame,                                               LPBYTE pH323Frame,                                               DWORD MacType,                                               DWORD BytesLeft,                                               HPROTOCOL hPrevProtocol,                                               DWORD nPrevProtOffset,                                              LPDWORD pProtocolStatus,                                              LPHPROTOCOL phNextProtocol,                                               LPDWORD InstData);extern LPBYTE WINAPI RAS_AttachProperties( HFRAME hFrame,                                                 LPBYTE pMacFrame,                                                 LPBYTE pH323Frame,                                                 DWORD MacType,                                                 DWORD BytesLeft,                                                 HPROTOCOL hPrevProtocol,                                                 DWORD nPrevProtOffset,                                                DWORD InstData);extern VOID   WINAPI TPKT_Register( HPROTOCOL hTPKT);extern LPBYTE WINAPI TPKT_RecognizeFrame( HFRAME hFrame,                                               LPBYTE pMacFrame,                                               LPBYTE pH323Frame,                                               DWORD MacType,                                               DWORD BytesLeft,                                               HPROTOCOL hPrevProtocol,                                               DWORD nPrevProtOffset,                                              LPDWORD pProtocolStatus,                                              LPHPROTOCOL phNextProtocol,                                               LPDWORD InstData);extern LPBYTE WINAPI TPKT_AttachProperties( HFRAME hFrame,                                                 LPBYTE pMacFrame,                                                 LPBYTE pH323Frame,                                                 DWORD MacType,                                                 DWORD BytesLeft,                                                 HPROTOCOL hPrevProtocol,                                                 DWORD nPrevProtOffset,                                                DWORD InstData);extern VOID   WINAPI H245_Register( HPROTOCOL hTPKT);extern LPBYTE WINAPI H245_RecognizeFrame( HFRAME hFrame,                                               LPBYTE pMacFrame,                                               LPBYTE pH323Frame,                                               DWORD MacType,                                               DWORD BytesLeft,                                               HPROTOCOL hPrevProtocol,                                               DWORD nPrevProtOffset,                                              LPDWORD pProtocolStatus,                                              LPHPROTOCOL phNextProtocol,                                               LPDWORD InstData);extern LPBYTE WINAPI H245_AttachProperties( HFRAME hFrame,                                                 LPBYTE pMacFrame,                                                 LPBYTE pH323Frame,                                                 DWORD MacType,                                                 DWORD BytesLeft,                                                 HPROTOCOL hPrevProtocol,                                                 DWORD nPrevProtOffset,                                                DWORD InstData);extern VOID   WINAPI Q931_Register( HPROTOCOL hTPKT);extern LPBYTE WINAPI Q931_RecognizeFrame( HFRAME hFrame,                                               LPBYTE pMacFrame,                                               LPBYTE pH323Frame,                                               DWORD MacType,                                               DWORD BytesLeft,                                               HPROTOCOL hPrevProtocol,                                               DWORD nPrevProtOffset,                                              LPDWORD pProtocolStatus,                                              LPHPROTOCOL phNextProtocol,                                               LPDWORD InstData);extern LPBYTE WINAPI Q931_AttachProperties( HFRAME hFrame,                                                 LPBYTE pMacFrame,                                                 LPBYTE pH323Frame,                                                 DWORD MacType,                                                 DWORD BytesLeft,                                                 HPROTOCOL hPrevProtocol,                                                 DWORD nPrevProtOffset,                                                DWORD InstData);// Define the entry points that we will pass back at dll entry time ----------ENTRYPOINTS RASEntryPoints ={    // RAS Entry Point    RAS_Register,    H323_Deregister,    RAS_RecognizeFrame,    RAS_AttachProperties,    H323_FormatProperties};ENTRYPOINTS TPKTEntryPoints ={    // TPKT Entry Point    TPKT_Register,    H323_Deregister,    TPKT_RecognizeFrame,    TPKT_AttachProperties,    H323_FormatProperties};ENTRYPOINTS H245EntryPoints ={    // H245 Entry Point    H245_Register,    H323_Deregister,    H245_RecognizeFrame,    H245_AttachProperties,    H323_FormatProperties};ENTRYPOINTS Q931EntryPoints ={    // H245 Entry Point    Q931_Register,    H323_Deregister,    Q931_RecognizeFrame,    Q931_AttachProperties,    H323_FormatProperties};PROPERTYINFO  RasPropertyInfo = { 0, 0,   "",   "",   PROP_TYPE_SUMMARY,   PROP_QUAL_NONE,   NULL,   160,   &Custom_Format};PROPERTYINFO  TpktPropertyInfo = { 0, 0,   "",   "",   PROP_TYPE_SUMMARY,   PROP_QUAL_NONE,   NULL,   80,   &Custom_Format};PROPERTYINFO  H245PropertyInfo = { 0, 0,   "",   "",   PROP_TYPE_SUMMARY,   PROP_QUAL_NONE,   NULL,   160,   &Custom_Format};PROPERTYINFO  Q931PropertyInfo = { 0, 0,   "",   "",   PROP_TYPE_SUMMARY,   PROP_QUAL_NONE,   NULL,   160,   &Custom_Format};char* RAS_String[] = {	"GRQ",	"GCF",	"GRJ",	"RRQ",	"RCF",	"RRJ",	"URQ",	"UCF",	"URJ",	"ARQ",	"ACF",	"ARJ",	"BRQ",	"BCF",	"BRJ",	"DRQ",	"DCF",	"DRJ",	"LRQ",	"LCF",	"LRJ",	"IRQ",	"IRR",	"Non-Standard Message",	"Unknown Message Response",	"RIP",	"RAI",	"RAC",	"IACK",	"INAK"};BOOL RAS_AutoInstall(PPF_PARSERINFO pParserInfo){    DWORD NumHandoffs;    PPF_HANDOFFSET    pHandoffSet;    PPF_HANDOFFENTRY  pHandoffEntry;	wsprintf( pParserInfo->szProtocolName, "RAS" );    wsprintf( pParserInfo->szComment,      "H.323 RAS Protocol" );    wsprintf( pParserInfo->szHelpFile,     "");    // the incoming handoff set ----------------------------------------------    // allocate    NumHandoffs = 2;    pHandoffSet = (PPF_HANDOFFSET)HeapAlloc( GetProcessHeap(),                                             HEAP_ZERO_MEMORY,                                             sizeof( PF_HANDOFFSET ) +                                             NumHandoffs * sizeof( PF_HANDOFFENTRY) );    if( pHandoffSet == NULL )    {        // just return early        return FALSE;    }    // fill in the incoming handoff set    pParserInfo->pWhoHandsOffToMe = pHandoffSet;    pHandoffSet->nEntries = NumHandoffs;    // UDP PORT 1719    pHandoffEntry = &(pHandoffSet->Entry[0]);    wsprintf( pHandoffEntry->szIniFile,    "TCPIP.INI" );    wsprintf( pHandoffEntry->szIniSection, "UDP_HandoffSet" );    wsprintf( pHandoffEntry->szProtocol,   "RAS" );    pHandoffEntry->dwHandOffValue =        1718;    pHandoffEntry->ValueFormatBase =       HANDOFF_VALUE_FORMAT_BASE_DECIMAL;        // UDP PORT 1719    pHandoffEntry = &(pHandoffSet->Entry[1]);    wsprintf( pHandoffEntry->szIniFile,    "TCPIP.INI" );    wsprintf( pHandoffEntry->szIniSection, "UDP_HandoffSet" );    wsprintf( pHandoffEntry->szProtocol,   "RAS" );    pHandoffEntry->dwHandOffValue =        1719;    pHandoffEntry->ValueFormatBase =       HANDOFF_VALUE_FORMAT_BASE_DECIMAL;  	return TRUE;}BOOL H245_AutoInstall(PPF_PARSERINFO pParserInfo){    DWORD NumHandoffs;    PPF_HANDOFFSET    pHandoffSet;    PPF_HANDOFFENTRY  pHandoffEntry;    DWORD NumFollows;    PPF_FOLLOWSET     pFollowSet;    PPF_FOLLOWENTRY   pFollowEntry;    wsprintf( pParserInfo->szProtocolName, "H.245" );    wsprintf( pParserInfo->szComment,      "H.245 Protocol" );    wsprintf( pParserInfo->szHelpFile,     "");	    // the incoming follow set -----------------------------------------------    // allocate    NumFollows = 2;    pFollowSet = (PPF_FOLLOWSET)HeapAlloc( GetProcessHeap(),                                           HEAP_ZERO_MEMORY,                                           sizeof( PF_FOLLOWSET ) +                                           NumFollows * sizeof( PF_FOLLOWENTRY) );    if( pFollowSet == NULL )    {        // just return early        return FALSE;    }    // fill in the incoming follow set    pParserInfo->pWhoCanPrecedeMe = pFollowSet;    pFollowSet->nEntries = NumFollows;    // TCP    pFollowEntry = &(pFollowSet->Entry[0]);    wsprintf( pFollowEntry->szProtocol, "TCP" );	// TPKT     pFollowEntry = &(pFollowSet->Entry[1]);    wsprintf( pFollowEntry->szProtocol, "TPKT" );	// the outgoing HandOff set -----------------------------------------------    // allocate    NumHandoffs = 1;    pHandoffSet = (PPF_HANDOFFSET) HeapAlloc( GetProcessHeap(),                                           HEAP_ZERO_MEMORY,                                           sizeof( PF_HANDOFFSET ) +                                           NumHandoffs * sizeof( PF_HANDOFFENTRY) );    if( pHandoffSet == NULL )    {        // just return early        return FALSE;    }    // fill in outgoing HandOff set    pParserInfo->pWhoDoIHandOffTo = pHandoffSet;    pFollowSet->nEntries = NumHandoffs;	// TPKT     pHandoffEntry = &(pHandoffSet->Entry[0]);    wsprintf( pHandoffEntry->szProtocol, "TPKT" );	return TRUE;}BOOL Q931_AutoInstall(PPF_PARSERINFO pParserInfo){    DWORD NumHandoffs;    PPF_HANDOFFSET    pHandoffSet;    PPF_HANDOFFENTRY  pHandoffEntry;    DWORD NumFollows;    PPF_FOLLOWSET     pFollowSet;    PPF_FOLLOWENTRY   pFollowEntry;    	wsprintf( pParserInfo->szProtocolName, "Q.931" );    wsprintf( pParserInfo->szComment,      "Q.931 Protocol" );    wsprintf( pParserInfo->szHelpFile,     "");	    // the incoming follow set -----------------------------------------------    // allocate    NumFollows = 2;    pFollowSet = (PPF_FOLLOWSET)HeapAlloc( GetProcessHeap(),                                           HEAP_ZERO_MEMORY,                                           sizeof( PF_FOLLOWSET ) +                                           NumFollows * sizeof( PF_FOLLOWENTRY) );    if( pFollowSet == NULL )    {        // just return early        return FALSE;    }    // fill in the incoming follow set    pParserInfo->pWhoCanPrecedeMe = pFollowSet;    pFollowSet->nEntries = NumFollows;    // TCP    pFollowEntry = &(pFollowSet->Entry[0]);