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480 lines
10 KiB
480 lines
10 KiB
/*++
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Copyright (c) 1993 Microsoft Corporation
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Module Name:
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tcpext.c
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Abstract:
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This file contains the generic routines and initialization code
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for the kernel debugger extensions dll.
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Author:
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John Ballard
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Environment:
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User Mode
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--*/
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#include "precomp.h"
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#pragma hdrstop
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//
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// globals
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//
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EXT_API_VERSION ApiVersion = { 3, 5, EXT_API_VERSION_NUMBER, 0 };
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WINDBG_EXTENSION_APIS ExtensionApis;
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USHORT SavedMajorVersion;
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USHORT SavedMinorVersion;
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BOOLEAN ChkTarget;
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INT Item;
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HANDLE _hInstance;
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HANDLE _hAdditionalReference;
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HANDLE _hProcessHeap;
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int _Indent = 0;
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char IndentBuf[ 80 ]={"\0 "};
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DllInit(
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HANDLE hModule,
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DWORD dwReason,
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DWORD dwReserved
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)
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{
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switch (dwReason) {
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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case DLL_PROCESS_ATTACH:
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_hInstance = hModule;
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_hAdditionalReference = NULL;
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break;
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}
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return TRUE;
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}
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VOID
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WinDbgExtensionDllInit(
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PWINDBG_EXTENSION_APIS lpExtensionApis,
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USHORT MajorVersion,
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USHORT MinorVersion
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)
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{
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ExtensionApis = *lpExtensionApis;
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SavedMajorVersion = MajorVersion;
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SavedMinorVersion = MinorVersion;
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ChkTarget = SavedMajorVersion == 0x0c ? TRUE : FALSE;
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return;
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}
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DECLARE_API( version )
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{
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#if DBG
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PCHAR DebuggerType = "Checked";
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#else
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PCHAR DebuggerType = "Free";
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#endif
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dprintf( "%s Extension dll for Build %d debugging %s kernel for Build %d\n",
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DebuggerType,
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VER_PRODUCTBUILD,
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SavedMajorVersion == 0x0c ? "Checked" : "Free",
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SavedMinorVersion
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);
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}
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VOID
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CheckVersion(
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VOID
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)
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{
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return;
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#if DBG
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if ((SavedMajorVersion != 0x0c) || (SavedMinorVersion != VER_PRODUCTBUILD)) {
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dprintf("\r\n*** Extension DLL(%d Checked) does not match target system(%d %s)\r\n\r\n",
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VER_PRODUCTBUILD, SavedMinorVersion, (SavedMajorVersion==0x0f) ? "Free" : "Checked" );
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}
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#else
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if ((SavedMajorVersion != 0x0f) || (SavedMinorVersion != VER_PRODUCTBUILD)) {
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dprintf("\r\n*** Extension DLL(%d Free) does not match target system(%d %s)\r\n\r\n",
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VER_PRODUCTBUILD, SavedMinorVersion, (SavedMajorVersion==0x0f) ? "Free" : "Checked" );
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}
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#endif
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}
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LPEXT_API_VERSION
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ExtensionApiVersion(
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VOID
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)
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{
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return &ApiVersion;
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}
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//
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// Exported functions
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//
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DECLARE_API( help )
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/*++
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Routine Description:
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Command help for ISN debugger extensions.
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Arguments:
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None
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Return Value:
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None
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--*/
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{
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dprintf("tcpip debugger extension commands:\n\n");
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dprintf("\ttcb <ptr> - Dump a TCB\n");
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dprintf("\ttcbtable - Dump TCB table\n");
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dprintf("\ttcbsrch <ptr> - Searchs given tcb in tcbtable\n");
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dprintf("\ttcpaostats - Dump AOStats\n");
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dprintf("\ttcptwqstats - Dump TWQ Stats\n");
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dprintf("\ttcpconn <ptr> [f] - Dump a TCPConn\n");
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dprintf("\ttcpconntable [f] - Dump TCPConnTable\n");
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dprintf("\ttcpconnstats - Dump TCPConnStats\n");
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dprintf("\tirp <ptr> [f] - Dump an IRP\n");
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dprintf("\tao <ptr> - Dump an AddressObject\n");
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dprintf("\tnte <ptr> - Dump a NetTableEntry\n");
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dprintf("\tntelist - Dump NetTableList\n");
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dprintf("\tinterface <ptr> - Dump an Interface\n");
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dprintf("\tiflist - Dump IFList\n");
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dprintf("\trce <ptr> - Dump a RouteCacheEntry\n");
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dprintf("\trte <ptr> - Dump a RouteTableEntry\n");
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dprintf("\trtes - Dump RouteTable (like route print)\n");
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dprintf("\trtetable - Dump whole trie \n");
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dprintf("\tate <ptr> - Dump an ARPTableEntry\n");
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dprintf("\tai <ptr> - Dump an ARPInterface\n");
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dprintf("\tarptable [<ptr>] - Dump ARPTable [starting from address]\n");
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dprintf("\tMDLChain <ptr> - Dump the MDL chain\n");
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dprintf("\tdumplog - Dump the Log buffer (only on checked build)\n");
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dprintf("\ttcpfile <ptr> - Dump the tcp file object\n");
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dprintf("\ttcpconnblock <ptr> - Dump the connection block\n");
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dprintf("\n");
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dprintf( "Compiled on " __DATE__ " at " __TIME__ "\n" );
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return;
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}
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ULONG
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GetUlongValue (
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PCHAR String
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)
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{
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ULONG Location;
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ULONG Value;
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ULONG result;
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Location = GetExpression( String );
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if (!Location) {
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dprintf("unable to get %s\n",String);
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return 0;
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}
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if ((!ReadMemory((DWORD)Location,&Value,sizeof(ULONG),&result)) ||
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(result < sizeof(ULONG))) {
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dprintf("unable to get %s\n",String);
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return 0;
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}
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return Value;
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}
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VOID
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dprintSymbolPtr
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(
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PVOID Pointer,
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PCHAR EndOfLine
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)
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{
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UCHAR SymbolName[ 80 ];
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ULONG Displacement;
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dprintf("%-10lx", ( ULONG )Pointer );
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GetSymbol( Pointer, SymbolName, &Displacement );
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if ( Displacement == 0 )
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{
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dprintf( "(%s)%s", SymbolName, EndOfLine );
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}
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else
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{
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dprintf( "(%s + 0x%X)%s", SymbolName, Displacement, EndOfLine );
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}
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}
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VOID
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dprint_nchar
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(
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PCHAR pch,
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int cch
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)
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{
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CHAR ch;
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int index;
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for ( index = 0; index < cch; index ++ )
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{
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ch = pch[ index ];
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dprintf( "%c", ( ch >= 32 ) ? ch : '.' );
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}
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}
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VOID
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dprint_hardware_address
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(
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PUCHAR Address
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)
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{
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dprintf( "%02x-%02x-%02x-%02x-%02x-%02x",
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Address[ 0 ],
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Address[ 1 ],
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Address[ 2 ],
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Address[ 3 ],
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Address[ 4 ],
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Address[ 5 ] );
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}
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VOID
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dprint_IP_address
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(
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IPAddr Address
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)
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{
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uchar IPAddrBuffer[(sizeof(IPAddr) * 4)];
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uint i;
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uint IPAddrCharCount;
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//
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// Convert the IP address into a string.
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//
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IPAddrCharCount = 0;
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for (i = 0; i < sizeof(IPAddr); i++) {
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uint CurrentByte;
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CurrentByte = Address & 0xff;
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if (CurrentByte > 99) {
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IPAddrBuffer[IPAddrCharCount++] = (CurrentByte / 100) + '0';
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CurrentByte %= 100;
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IPAddrBuffer[IPAddrCharCount++] = (CurrentByte / 10) + '0';
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CurrentByte %= 10;
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} else if (CurrentByte > 9) {
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IPAddrBuffer[IPAddrCharCount++] = (CurrentByte / 10) + '0';
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CurrentByte %= 10;
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}
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IPAddrBuffer[IPAddrCharCount++] = CurrentByte + '0';
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if (i != (sizeof(IPAddr) - 1))
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IPAddrBuffer[IPAddrCharCount++] = '.';
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Address >>= 8;
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}
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IPAddrBuffer[IPAddrCharCount] = '\0';
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dprintf( "%s", IPAddrBuffer );
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}
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BOOL
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dprint_enum_name
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(
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ULONG Value,
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PENUM_INFO pEnumInfo
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)
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{
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while ( pEnumInfo->pszDescription != NULL )
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{
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if ( pEnumInfo->Value == Value )
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{
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dprintf( "%.40s", pEnumInfo->pszDescription );
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return( TRUE );
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}
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pEnumInfo ++;
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}
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dprintf( "Unknown enumeration value." );
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return( FALSE );
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}
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BOOL
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dprint_flag_names
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(
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ULONG Value,
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PFLAG_INFO pFlagInfo
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)
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{
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BOOL bFoundOne = FALSE;
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while ( pFlagInfo->pszDescription != NULL )
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{
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if ( pFlagInfo->Value & Value )
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{
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if ( bFoundOne )
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{
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dprintf( " | " );
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}
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bFoundOne = TRUE;
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dprintf( "%.15s", pFlagInfo->pszDescription );
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}
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pFlagInfo ++;
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}
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return( bFoundOne );
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}
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BOOL
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dprint_masked_value
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(
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ULONG Value,
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ULONG Mask
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)
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{
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CHAR Buf[ 9 ];
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ULONG nibble;
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int index;
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for ( index = 0; index < 8; index ++ )
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{
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nibble = ( Mask & 0xF0000000 );
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/*
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dprintf( "#%d: nibble == %08X\n"
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" Mask == %08X\n"
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" Value == %08X\n", index, nibble, Mask, Value );
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*/
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if ( nibble )
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{
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Buf[ index ] = "0123456789abcdef"[ (( nibble & Value ) >> 28) & 0xF ];
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}
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else
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{
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Buf[ index ] = ' ';
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}
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Mask <<= 4;
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Value <<= 4;
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}
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Buf[ 8 ] = '\0';
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dprintf( "%s", Buf );
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return( TRUE );
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}
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void
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dprint_unicode_string( UNICODE_STRING String )
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{
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WCHAR Buf[256];
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ULONG result;
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dprintf( "{ " );
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dprintf( "Length %x, MaxLength %x ", String.Length, String.MaximumLength );
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if ( String.Length ) {
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if (!ReadMemory( (ULONG)String.Buffer,
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Buf,
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sizeof( Buf ),
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&result ))
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{
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dprintf( "ReadMemory(@%lx) failed.",String.Buffer );
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} else {
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Buf[MAX(255, (String.Length/sizeof(WCHAR)) )] = L'\0';
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dprintf( "\"%ws\"", Buf );
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}
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}
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dprintf( " }\n" );
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}
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void
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dprint_ansi_string( PUCHAR String )
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{
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UCHAR Buf[256] = {0};
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ULONG result;
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if ( String ) {
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if (!ReadMemory( (ULONG)String,
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Buf,
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sizeof( Buf ) - 1,
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&result )) {
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dprintf( "ReadMemory(@%lx) failed.", String );
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} else {
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dprintf( "%s", Buf );
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}
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}
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}
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VOID dprint_addr_list( ULONG_PTR FirstAddress, ULONG OffsetToNextPtr )
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{
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ULONG_PTR Address;
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ULONG result;
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int index;
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Address = FirstAddress;
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if ( Address == (ULONG)NULL )
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{
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dprintf( "%08X (Empty)\n", Address );
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return;
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}
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dprintf( "{ " );
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for ( index = 0; Address != (ULONG_PTR)NULL; index ++ )
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{
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if ( index != 0 )
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{
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dprintf( ", ");
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}
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if ( index == 100 )
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{
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dprintf( "Next list might be corrupted. ");
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Address = (ULONG_PTR)NULL;
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}
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dprintf( "%08X", Address );
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if ( !ReadMemory( Address + OffsetToNextPtr,
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&Address,
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sizeof( Address ),
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&result ))
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{
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dprintf( "ReadMemory() failed." );
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Address = (ULONG_PTR)NULL;
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}
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}
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dprintf( " }\n" );
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}
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