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windows-nt/Source/XPSP1/NT/base/fs/fastfat/fskd/fatkd.c

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/*++
Copyright (c) 1992 Microsoft Corporation
Module Name:
FatKd.c
Abstract:
KD Extension Api for examining Fat specific data structures
Author:
Tom Jolly [tomjolly] 14-Sep-99
(ntfskd) Keith Kaplan [KeithKa] 24-Apr-96
Portions by Jeff Havens
Environment:
User Mode.
Revision History:
--*/
#include "pch.h"
#undef FlagOn
#undef WordAlign
#undef LongAlign
#undef QuadAlign
#undef DebugPrint
#undef MAXULONGLONG
#define KDEXT
//#include "gentable.h"
#undef DebugTrace
#include "..\nodetype.h"
#include "..\..\cdfs\nodetype.h"
#include "..\..\udfs\nodetype.h"
#ifdef UDFS_RW_IN_BUILD
#include "..\..\udfsrw\nodetype.h"
#endif
#include "fatkd.h"
#include "cdfskd.h"
#include "udfskd.h"
//
// Lookup table that tells how many clear bits (i.e., 0) there are in a byte
//
CONST UCHAR BitsClearTotal[] =
{ 8,7,7,6,7,6,6,5,7,6,6,5,6,5,5,4,
7,6,6,5,6,5,5,4,6,5,5,4,5,4,4,3,
7,6,6,5,6,5,5,4,6,5,5,4,5,4,4,3,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
7,6,6,5,6,5,5,4,6,5,5,4,5,4,4,3,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
5,4,4,3,4,3,3,2,4,3,3,2,3,2,2,1,
7,6,6,5,6,5,5,4,6,5,5,4,5,4,4,3,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
5,4,4,3,4,3,3,2,4,3,3,2,3,2,2,1,
6,5,5,4,5,4,4,3,5,4,4,3,4,3,3,2,
5,4,4,3,4,3,3,2,4,3,3,2,3,2,2,1,
5,4,4,3,4,3,3,2,4,3,3,2,3,2,2,1,
4,3,3,2,3,2,2,1,3,2,2,1,2,1,1,0 };
VOID
DumpStr(
IN ULONG FieldOffset,
IN ULONG64 StringAddress,
IN PUCHAR Label,
IN BOOLEAN CrFirst,
IN BOOLEAN Wide
)
{
WCHAR Buffer[512];
ULONG64 StringChars = 0; // *64
USHORT DisplayLength;
UNICODE_STRING String;
ROE( GetFieldValue( StringAddress, "UNICODE_STRING", "Buffer", StringChars));
ROE( GetFieldValue( StringAddress, "UNICODE_STRING", "Length", DisplayLength));
ROE( GetFieldValue( StringAddress, "UNICODE_STRING", "MaximumLength", String.MaximumLength));
if (DisplayLength > sizeof( Buffer)) {
DisplayLength = sizeof(Buffer);
}
if (CrFirst) {
dprintf("\n");
}
if (DisplayLength) {
if (StringChars) {
ReadM( Buffer, StringChars, DisplayLength);
String.Length = DisplayLength;
String.Buffer = Buffer;
}
else {
String.Buffer = (PWCHAR)"<<NULL buffer pointer>>";
String.Length = 23;
Wide = FALSE;
}
}
else {
String.Buffer = (PWCHAR)"<<empty>>";
String.Length = 9;
Wide = FALSE;
}
if (Wide) {
dprintf( "%s: (%03x/%03x) '%wZ'\n",
Label, DisplayLength, String.MaximumLength,
&String );
}
else {
dprintf( "%s: (%03x/%03x) '%Z'\n",
Label, DisplayLength, String.MaximumLength,
&String );
}
}
ULONG
Dt( IN UCHAR *Type,
IN ULONG64 Addr,
IN ULONG Recur,
IN ULONG FieldInfoCount,
IN FIELD_INFO FieldInfo[]
)
{
SYM_DUMP_PARAM Param;
Param.size = sizeof( Param);
Param.sName = Type;
Param.Options = DBG_DUMP_RECUR_LEVEL(Recur);
Param.addr = Addr;
Param.listLink = NULL;
Param.Context = NULL;
Param.CallbackRoutine = NULL;
Param.nFields = FieldInfoCount;
Param.Fields = FieldInfo;
return Ioctl( IG_DUMP_SYMBOL_INFO, &Param, Param.size);
}
//
// The help strings printed out
//
static LPSTR Extensions[] = {
"FAT/CDFS/UDFS Debugger Extension Commands, where...\n\n [FS] => CD/UDF/FAT\n -> in output denotes address of embedded structure\n",
" [FS]mcb [addr] [1] Dump MCB",
" [1] Dump out extent list",
" [FS]vdo [addr] Volume device object (from direct addr *OR* VCB addr)",
" fo [addr] [1] Dump FileObject."
"\n [1] Also dump associated Fcb/Ccb structures",
" [2] dump SHARED_CACHE_MAP",
" ",
" d [addr] [...] Dump any tagged structure (any FS). Understands...",
" VCB, CCB, fsDATA, IRPCONTEXT, IRPCONTEXTLITE,"
"\n FCB / SCB (** see command ouput for further options)",
" and (UDF ONLY) PCB, VMCB,",
" LCB - options",
" [1] dump associated FCB"
" ",
" For structures without options, second parameter is dump recurse level",
" ",
" db [addr] [recur] As !d, but just a straight DT of the structure based on node type",
" ",
" cdrawdirent [addr] [count] Dump a COUNT raw ISO9660 dirents starting at ADDR",
" ",
" udficbsc [addr] (UDFS only) Dump an ICB_CONTEXT",
" udftag [addr] Dump out a UDF on disk format descriptor tag in detail (3/7.2)",
" ud [addr] [...] Dump any on disc format UDF structure which has a descr.tag",
" Currently: PVD,AVDP,VDP,PD,LVD,FSD,FID,FE",
" [1] (FE) Dump allocation decriptors",
" ",
" vmcb [addr] Use on pre 1.10.2000 builds (vmcb not tagged) rather than !d ",
" ",
" tree [addr] (UDFS only) Dumps a summary of the F/Scb tree (names, ref counts) from",
" the specified Scb down. If a Vcb address is specified will",
" dump from root down",
" ",
" countclearbits [addr] [bytes] Count clear bits in mem range",
" countdwords [addr] [dword] Count occurences of dword in mem range",
" ",
" ",
" fshelp ...",
0
};
STATE FoFlags[] = {
{ FO_FILE_OPEN, FO_FILE_OPEN, "Open" },
{ FO_SYNCHRONOUS_IO, FO_SYNCHRONOUS_IO, "Synchronous" },
{ FO_ALERTABLE_IO, FO_ALERTABLE_IO, "Alertable" },
{ FO_NO_INTERMEDIATE_BUFFERING, FO_NO_INTERMEDIATE_BUFFERING, "NoIntermediateBuffering" },
{ FO_WRITE_THROUGH, FO_WRITE_THROUGH, "WriteThrough"},
{ FO_SEQUENTIAL_ONLY, FO_SEQUENTIAL_ONLY, "SequentialOnly"},
{ FO_CACHE_SUPPORTED, FO_CACHE_SUPPORTED, "CacheSupported"},
{ FO_NAMED_PIPE, FO_NAMED_PIPE, "NamedPipe"},
{ FO_STREAM_FILE, FO_STREAM_FILE, "StreamFile"},
{ FO_MAILSLOT, FO_MAILSLOT, "MailSlot"},
{ FO_GENERATE_AUDIT_ON_CLOSE, FO_GENERATE_AUDIT_ON_CLOSE, "AuditOnClose"},
{ FO_DIRECT_DEVICE_OPEN, FO_DIRECT_DEVICE_OPEN, "DirectDeviceOpen"},
{ FO_FILE_MODIFIED, FO_FILE_MODIFIED, "Modified"},
{ FO_FILE_SIZE_CHANGED, FO_FILE_SIZE_CHANGED, "SizeChanged"},
{ FO_CLEANUP_COMPLETE, FO_CLEANUP_COMPLETE, "CleanupComplete"},
{ FO_TEMPORARY_FILE, FO_TEMPORARY_FILE, "Temporary"},
{ FO_DELETE_ON_CLOSE, FO_DELETE_ON_CLOSE, "DeleteOnClose"},
{ FO_OPENED_CASE_SENSITIVE, FO_OPENED_CASE_SENSITIVE, "CaseSensitive"},
{ FO_HANDLE_CREATED, FO_HANDLE_CREATED, "HandleCreated"},
{ FO_FILE_FAST_IO_READ, FO_FILE_FAST_IO_READ, "FastIoRead"},
{ FO_RANDOM_ACCESS, FO_RANDOM_ACCESS, "RandomAccess"},
{ FO_FILE_OPEN_CANCELLED, FO_FILE_OPEN_CANCELLED, "OpenCancelled"},
{ FO_VOLUME_OPEN, FO_VOLUME_OPEN, "VolumeOpen"},
{ 0 }
};
//
// FSRTL Common header flags
//
STATE HeaderFlags[] = {
{ FSRTL_FLAG_FILE_MODIFIED, FSRTL_FLAG_FILE_MODIFIED, "Modified"},
{ FSRTL_FLAG_FILE_LENGTH_CHANGED, FSRTL_FLAG_FILE_LENGTH_CHANGED, "LengthChanged"},
{ FSRTL_FLAG_LIMIT_MODIFIED_PAGES, FSRTL_FLAG_LIMIT_MODIFIED_PAGES, "LimitModPages"},
{ FSRTL_FLAG_ACQUIRE_MAIN_RSRC_EX, FSRTL_FLAG_ACQUIRE_MAIN_RSRC_EX, "ModWrAcqMainEx"},
{ FSRTL_FLAG_ACQUIRE_MAIN_RSRC_SH, FSRTL_FLAG_ACQUIRE_MAIN_RSRC_SH, "ModWrAcqMainSh"},
{ FSRTL_FLAG_USER_MAPPED_FILE, FSRTL_FLAG_USER_MAPPED_FILE, "UserMapped"},
{ FSRTL_FLAG_ADVANCED_HEADER, FSRTL_FLAG_ADVANCED_HEADER, "AdvancedHeader"},
{ FSRTL_FLAG_EOF_ADVANCE_ACTIVE, FSRTL_FLAG_EOF_ADVANCE_ACTIVE, "EofAdvanceActive"},
{ 0 }
};
STATE HeaderFlags2[] = {
{ FSRTL_FLAG2_DO_MODIFIED_WRITE, FSRTL_FLAG2_DO_MODIFIED_WRITE, "DoModWrite"},
{ FSRTL_FLAG2_SUPPORTS_FILTER_CONTEXTS, FSRTL_FLAG2_SUPPORTS_FILTER_CONTEXTS, "FilterContexts"},
{ FSRTL_FLAG2_PURGE_WHEN_MAPPED, FSRTL_FLAG2_PURGE_WHEN_MAPPED, "PurgeOnMap"},
{ 0 }
};
VOID
DumpList(
IN ULONG64 RemoteListEntryAddress,
IN ELEMENT_DUMP_ROUTINE ProcessElementRoutine,
IN ULONG OffsetToContainerStart,
IN BOOLEAN ProcessThisEntry,
IN ULONG Options
)
{
LIST_ENTRY64 Entry;
ULONG64 CurrentEntryRemoteAddress = 0;
//
// Read the first LIST_ENTRY structure
//
ROE( !ReadListEntry( RemoteListEntryAddress, &Entry));
//
// Scan through until we end up back at the 3start again.
//
while (CurrentEntryRemoteAddress != RemoteListEntryAddress) {
if (ProcessThisEntry) {
(ProcessElementRoutine)( CurrentEntryRemoteAddress - OffsetToContainerStart, Options);
}
else {
ProcessThisEntry = TRUE;
}
CurrentEntryRemoteAddress = Entry.Flink;
ROE( !ReadListEntry( CurrentEntryRemoteAddress, &Entry));
}
}
/*
* Dump structures
*/
typedef BOOLEAN (WINAPI *PENUM_PROCESS_CALLBACK)(PVOID ProcessAddress, PVOID Process, PVOID ThreadAddress, PVOID Thread);
typedef VOID (* ENUM_PROCESSES_FUNC)(PENUM_PROCESS_CALLBACK CallBack);
VOID
PrintState(STATE *ps, ULONG state)
{
ULONG ul = 0;
if (NULL == ps) {
dprintf(" << NULL flags supplied! >>\n");
return;
}
while (ps->mask != 0)
{
ul |= ps->mask;
if ((state & ps->mask) == ps->value)
{
dprintf(" %s", ps->pszname);
}
ps++;
}
state &= ~ul;
if (state != 0)
{
dprintf(" +%lx!!", state);
}
dprintf("\n");
}
DUMP_ROUTINE( DumpVmcb);
DUMP_ROUTINE( DumpFileObject);
DUMP_ROUTINE( DumpAnyStruct);
VOID
PrintHelp (
VOID
);
//
// NULL dump function means just do DT with type.
//
NODE_TYPE_INFO_NEW NewNodeTypeCodes[] = {
// RO UDFS
{ UDFS_NTC_DATA_HEADER, "UDFS DATA", "Udfs!UDF_DATA", DumpUdfData},
{ UDFS_NTC_VCB, "UDFS VCB", "Udfs!VCB", DumpUdfVcb},
{ UDFS_NTC_FCB_INDEX, "UDFS FCB (INDEX)", "Udfs!FCB", DumpUdfFcb},
{ UDFS_NTC_FCB_DATA, "UDFS FCB (DATA) ", "Udfs!FCB", DumpUdfFcb},
{ UDFS_NTC_FCB_NONPAGED, "UDFS FCB (nonpaged)", "Udfs!FCB_NONPAGED", NULL},
{ UDFS_NTC_CCB, "UDFS CCB", "Udfs!CCB", DumpUdfCcb},
{ UDFS_NTC_IRP_CONTEXT, "UDFS IRPCONTEXT", "Udfs!IRP_CONTEXT", DumpUdfIrpContext},
{ UDFS_NTC_IRP_CONTEXT_LITE, "UDFS IRPCONTEXT LITE", "Udfs!IRP_CONTEXT_LITE",DumpUdfIrpContextLite},
{ UDFS_NTC_LCB, "UDFS LCB", "Udfs!LCB", DumpUdfLcb},
{ UDFS_NTC_PCB, "UDFS PCB", "Udfs!PCB", DumpUdfPcb},
{ UDFS_NTC_VMCB, "UDFS VMCB", "Udfs!VMCB", DumpVmcb},
#ifdef UDFS_RW_IN_BUILD
// RW UDFS, same dump fn.
{ UDFSRW_NTC_DATA_HEADER, "UDFSRW DATA", "Udfs!UDF_DATA", DumpUdfData},
{ UDFSRW_NTC_IRP_CONTEXT, "UDFSRW IRPCONTEXT", "Udfs!IRP_CONTEXT", DumpUdfIrpContext},
{ UDFSRW_NTC_IRP_CONTEXT_LITE,"UDFSRW IRPCONTEXT LITE", "Udfs!IRP_CONTEXT_LITE",DumpUdfIrpContextLite},
{ UDFSRW_NTC_CCB, "UDFSRW CCB", "Udfs!CCB", DumpUdfCcb},
{ UDFSRW_NTC_LCB, "UDFSRW LCB", "Udfs!LCB", DumpUdfLcb},
{ UDFSRW_NTC_PCB, "UDFSRW PCB", "Udfs!PCB", DumpUdfPcb},
{ UDFSRW_NTC_VCB, "UDFSRW VCB", "Udfs!VCB", DumpUdfVcb},
{ UDFSRW_NTC_VMCB, "UDFSRW VMCB", "Udfs!VMCB", DumpVmcb},
{ UDFSRW_NTC_FCB, "UDFSRW FCB", "Udfs!FCB", DumpUdfFcb}, // TODO: Dump stream SCB list?
{ UDFSRW_NTC_FCB_NONPAGED, "UDFSRW FCB (nonpaged)", "Udfs!FCB_NONPAGED", DumpUdfFcb},
// RW UDFS specific dump fn.
{ UDFSRW_NTC_SCB_INDEX, "UDFSRW SCB (INDEX)", "Udfs!SCB_INDEX_TYPE", DumpUdfScb},
{ UDFSRW_NTC_SCB_DATA, "UDFSRW SCB (DATA) ", "Udfs!SCB_DATA_TYPE", DumpUdfScb},
{ UDFSRW_NTC_SCB_NONPAGED, "UDFSRW SCB (nonpaged)", "Udfs!SCB_NONPAGED", NULL},
#endif
{ FAT_NTC_VCB, "FAT VCB", "FastFat!VCB", DumpFatVcb},
{ FAT_NTC_FCB, "FAT FCB", "FastFat!FCB", DumpFatFcb},
{ FAT_NTC_DCB, "FAT DCB", "FastFat!FCB", DumpFatFcb},
{ FAT_NTC_CCB, "FAT CCB", "FastFat!CCB", DumpFatCcb},
{ FAT_NTC_ROOT_DCB, "FAT ROOT DCB", "FastFat!FCB", DumpFatFcb},
{ FAT_NTC_IRP_CONTEXT, "FAT IRP CONTEXT", "FastFat!IRP_CONTEXT", DumpFatIrpContext},
{ FAT_NTC_DATA_HEADER, "FAT DATA", "FastFat!FAT_DATA", NULL},
{ CDFS_NTC_DATA_HEADER, "CDFS DATA", "Cdfs!CD_DATA", NULL},
{ CDFS_NTC_VCB, "CDFS VCB", "Cdfs!VCB", DumpCdVcb},
{ CDFS_NTC_FCB_PATH_TABLE, "CDFS FCB (PATH TABLE)","Cdfs!FCB", DumpCdFcb},
{ CDFS_NTC_FCB_INDEX, "CDFS FCB (INDEX)", "Cdfs!FCB", DumpCdFcb},
{ CDFS_NTC_FCB_DATA, "CDFS FCB (DATA) ", "Cdfs!FCB", DumpCdFcb},
{ CDFS_NTC_FCB_NONPAGED, "CDFS FCB (nonpaged)", "Cdfs!FCB_NONPAGED", NULL},
{ CDFS_NTC_CCB, "CDFS CCB", "Cdfs!CCB", DumpCdCcb},
{ CDFS_NTC_IRP_CONTEXT, "CDFS IRPCONTEXT", "Cdfs!IRP_CONTEXT", DumpCdIrpContext},
{ CDFS_NTC_IRP_CONTEXT_LITE, "CDFS IRPCONTEXT (LITE)","Cdfs!IRP_CONTEXT_LITE",NULL},
// { CACHE_NTC_SHARED_CACHE_MAP, "CC Shared Cache Map", "nt!SHARED_CACHE_MAP", NULL},
{ 0, "Undefined", NULL, NULL}
};
ULONG
SearchTypeCodeIndex (
IN USHORT TypeCode,
IN NODE_TYPE_INFO_NEW TypeCodes[]
)
/*++
Routine Description:
Guess at a structure's type code
Arguments:
TypeCode - Type code from the data structure
Return Value:
None
--*/
{
int i = 0;
while (TypeCodes[i].TypeCode != 0 &&
TypeCodes[i].TypeCode != TypeCode) {
i++;
}
return i;
}
DUMP_ROUTINE( DumpFileObject)
{
ULONG Result;
ULONG Flags, Offset;
USHORT ObType;
ULONG64 Adr, Scm;
dprintf( "\nFileObject @ %I64X\n", Address );
dprintf( "\n[ Options: 1 = dump FsContext & FsContext2, 2 = dump shared cache map ]\n");
ReadM( &ObType, Address, sizeof( USHORT));
if (ObType != IO_TYPE_FILE) {
dprintf( "Invalid signature, probably not a file object" );
return;
}
GetFieldValue( Address, "nt!FILE_OBJECT", "Flags", Flags);
dprintf("\nFlags: ");
PrintState( FoFlags, Flags);
dprintf( "\n" );
Dt( "nt!FILE_OBJECT", Address, 0, 0, NULL);
dprintf( "\n" );
GetFieldValue( Address, "nt!FILE_OBJECT", "SectionObjectPointer", Adr);
if (Adr) {
Dt( "nt!SECTION_OBJECT_POINTERS", Adr, 0, 0, NULL);
}
GetFieldValue( Adr, "nt!SECTION_OBJECT_POINTERS", "SharedCacheMap", Scm);
if (Options & 2) {
dprintf( "\n" );
Dt( "nt!SHARED_CACHE_MAP", Scm, 0, 0, NULL);
}
if (Options & 1) {
GetFieldValue( Address, "nt!FILE_OBJECT", "FsContext", Adr);
if (Adr) {
DumpAnyStruct( Adr, 0, NULL);
}
GetFieldValue( Address, "nt!FILE_OBJECT", "FsContext2", Adr);
if (Adr) {
DumpAnyStruct( Adr, 0, NULL);
}
}
dprintf( "\n" );
}
DUMP_ROUTINE( DumpVmcb)
{
ULONG Result;
ULONG Offset;
dprintf( "\nVMCB @ %I64X\n", Address );
Dt( "udfs!VMCB", Address, 0, 0, NULL);
#ifdef UDFS_RW_IN_BUILD
if (Options & 2) {
USHORT NodeType;
//
// UDFS in Win2k had no nodetype field in the vmcb
//
if (!GetFieldValue( Address, "udfs!VMCB", "NodeTypeCode", NodeType)) {
if (NodeType == UDFSRW_NTC_VMCB) {
//
// Summarize the dirty bitmap, if
// these fields are present.
//
// TODO: Dump dirty blocks
}
}
}
#endif
if (Options & 1) {
dprintf("\n\nLbn->Vbn Mappings\n");
ROE( GetFieldOffset( "udfs!VMCB", "LbnIndexed", &Offset));
DumpLargeMcb( Address + Offset, Options, NULL);
dprintf("\nVbn->Lbn Mappings\n");
ROE( GetFieldOffset( "udfs!VMCB", "VbnIndexed", &Offset));
DumpLargeMcb( Address + Offset, Options, NULL);
}
dprintf("\n");
}
VOID
CountClearBits(
IN UINT64 Address,
IN ULONG Length
)
{
UCHAR Buffer[2048];
ULONG Result;
ULONG ThisBytes;
ULONG ClearBits = 0;
ULONG CurrByte;
// address, length
dprintf("\nCounting clear bits in range 0x%p L 0x%x\n", Address, Length);
while (Length) {
ThisBytes = (Length > sizeof( Buffer)) ? sizeof( Buffer) : Length;
if ( !ReadMemory( (DWORD_PTR)Address, Buffer, ThisBytes, &Result) ) {
dprintf( "Unable to read %d bytes at %p\n", ThisBytes, Address);
return;
}
for (CurrByte = 0; CurrByte < ThisBytes; ++CurrByte) {
ClearBits += BitsClearTotal[ Buffer[CurrByte]];
}
Address += ThisBytes;
Length -= ThisBytes;
}
dprintf("\n0x%x bits clear.\n\n", ClearBits);
}
VOID CountDwords(
IN UINT64 Address,
IN ULONG Length,
IN ULONG Dword
)
{
ULONG Buffer[512];
ULONG Result;
ULONG ThisBytes;
ULONG Count = 0;
ULONG CurrByte;
// address, length
dprintf("\nCounting ocurrences of DWORD 0x%x in range 0x%p L 0x%x\n", Dword, Address, Length);
if (Length & 3) {
dprintf("Length must be multiple of 4 bytes\n");
return;
}
while (Length) {
ThisBytes = (Length > sizeof( Buffer)) ? sizeof( Buffer) : Length;
if ( !ReadMemory( (DWORD_PTR)Address, Buffer, ThisBytes, &Result) ) {
dprintf( "Unable to read %d bytes at %p\n", ThisBytes, Address);
return;
}
for (CurrByte = 0; CurrByte < (ThisBytes >> 2); ++CurrByte) {
if (Buffer[ CurrByte] == Dword) {
++Count;
}
}
Address += ThisBytes;
Length -= ThisBytes;
}
dprintf("\n0x%x found.\n\n", Count);
}
DUMP_ROUTINE( DumpAnyStruct)
/*++
Routine Description:
Dump a tagged structure, guessing based on node type code.
Arguments:
Address - Gives the address of the structure
Return Value:
None
--*/
{
STRUCT_DUMP_ROUTINE Routine;
ULONG TagAndSize, *TagAndSizePtr, Result, Error;
LONG InfoIndex;
RM( Address, TagAndSize, TagAndSizePtr, PULONG, Result );
//
// Find out what function should be used to dump the stucture (if we can)
//
InfoIndex = TypeCodeInfoIndex( (USHORT)(TagAndSize & 0xffff));
Routine = NodeTypeDumpFunction( InfoIndex);
if ( 0 == NewNodeTypeCodes[ InfoIndex].TypeCode) {
dprintf( "\nNode type %0x%04x unknown.\n", (USHORT)TagAndSize & 0xffff);
return;
}
dprintf("\n%s @ 0x%I64X\n\n", NewNodeTypeCodes[InfoIndex].Text, Address);
if (Routine) {
//
// And call it...
//
(Routine)(Address, Options, &NewNodeTypeCodes[InfoIndex]);
}
else {
//
// No special routine - just DT it, treating first parameter following
// address as level of recursion
//
Error = Dt( NewNodeTypeCodes[InfoIndex].TypeName, Address, Options, 0, NULL);
if (Error) {
dprintf("Error %d from debugger when dumping structure\n", Error);
}
}
}
DUMP_ROUTINE( DtAnyStruct)
/*++
Routine Description:
Dump a tagged structure, guessing based on node type code.
Arguments:
Address - Gives the address of the structure
Return Value:
None
--*/
{
ULONG TagAndSize, *TagAndSizePtr, Result;
ULONG Error;
LONG InfoIndex;
RM( Address, TagAndSize, TagAndSizePtr, PULONG, Result );
InfoIndex = TypeCodeInfoIndex( (USHORT)(TagAndSize & 0xffff));
dprintf("\n%s @ 0x%X\n\n", NewNodeTypeCodes[InfoIndex].Text, Address);
Error = Dt( NewNodeTypeCodes[InfoIndex].TypeName, Address, Options, 0, NULL);
if (Error) {
dprintf("Error %d\n", Error);
}
}
//
// Entry points, parameter parsers, etc. below
//
VOID
ParseAndDump (
IN PCHAR args,
IN STRUCT_DUMP_ROUTINE DumpFunction,
ULONG Processor,
HANDLE hCurrentThread
)
/*++
Routine Description:
Parse command line arguments and dump an ntfs structure.
Arguments:
Args - String of arguments to parse.
DumpFunction - Function to call with parsed arguments.
Return Value:
None
--*/
{
CHAR StringStructToDump[1024]; // See other kd routines for size
CHAR Dummy[24];
LARGE_INTEGER StructToDump;
LONG Options;
//
// If the caller specified an address then that's the item we dump
//
StructToDump.QuadPart = 0;
Options = 0;
StringStructToDump[0] = '\0';
//dprintf("Args %s\n", args);
sscanf(args,"%s %lx", StringStructToDump, &Options );
//dprintf("GetExpr %s\n", StringStructToDump);
if (!GetExpressionEx( StringStructToDump, &StructToDump.QuadPart, NULL)) {
dprintf("GetExpression failed\n");
return;
}
//dprintf("Getexpr returned %I64X\n", StructToDump.QuadPart);
if (!StructToDump.QuadPart){
dprintf("unable to get expression %s\n",StringStructToDump);
return;
}
(*DumpFunction) ( StructToDump.QuadPart, Options, NULL );
dprintf( "\n" );
}
VOID
PrintHelp (
VOID
)
{
int i;
for( i=0; Extensions[i]; i++ )
dprintf( " %s\n", Extensions[i] );
}
DECLARE_API( fshelp )
{
UNREFERENCED_PARAMETER( args );
UNREFERENCED_PARAMETER( dwProcessor );
UNREFERENCED_PARAMETER( dwCurrentPc );
UNREFERENCED_PARAMETER( hCurrentProcess );
UNREFERENCED_PARAMETER( hCurrentThread );
PrintHelp();
}
DECLARE_API( d)
{
ParseAndDump( (PCHAR) args, (STRUCT_DUMP_ROUTINE) DumpAnyStruct, dwProcessor, hCurrentThread );
}
DECLARE_API( fo)
{
ParseAndDump( (PCHAR) args, (STRUCT_DUMP_ROUTINE) DumpFileObject, dwProcessor, hCurrentThread );
}
DECLARE_API( vmcb)
{
ParseAndDump( (PCHAR) args, (STRUCT_DUMP_ROUTINE) DumpVmcb, dwProcessor, hCurrentThread );
}
DECLARE_API( db )
{
UNREFERENCED_PARAMETER( dwCurrentPc );
UNREFERENCED_PARAMETER( hCurrentProcess );
ParseAndDump( (PCHAR) args, (STRUCT_DUMP_ROUTINE) DtAnyStruct, dwProcessor, hCurrentThread );
}
DECLARE_API( countclearbits)
{
CHAR StringStructToDump[1024]; // See other kd routines for size
UINT64 StructToDump;
ULONG Length;
//
// If the caller specified an address then that's the item we dump
//
StructToDump = 0;
Length = 0;
StringStructToDump[0] = '\0';
sscanf(args,"%s %lx", StringStructToDump, &Length );
if (!GetExpressionEx( StringStructToDump, &StructToDump, NULL )) {
dprintf("unable to get expression %s\n",StringStructToDump);
return;
}
CountClearBits( StructToDump, Length);
}
DECLARE_API( countdwords)
{
CHAR StringStructToDump[1024]; // See other kd routines for size
UINT64 StructToDump;
ULONG Length;
ULONG Dword;
//
// If the caller specified an address then that's the item we dump
//
StructToDump = 0;
Length = 0;
StringStructToDump[0] = '\0';
sscanf(args,"%s %lx %lx", StringStructToDump, &Length, &Dword);
if (!GetExpressionEx( StringStructToDump, &StructToDump, NULL)) {
dprintf("unable to get expression %s\n",StringStructToDump);
return;
}
CountDwords( StructToDump, Length, Dword);
}
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