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windows-nt/Source/XPSP1/NT/base/fs/ntfs/tests/bshell/treparse.c

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2020-09-26 03:20:57 -05:00
#include "brian.h"
typedef struct _ASYNC_FSCTRL {
USHORT FileIndex;
BOOLEAN UseEvent;
PIO_APC_ROUTINE ApcRoutine;
PVOID ApcContext;
ULONG IoControlCode;
PULONG InputBuffer;
ULONG InputBufferLength;
PULONG OutputBuffer;
ULONG OutputBufferLength;
BOOLEAN VerboseResults;
USHORT AsyncIndex;
} ASYNC_FSCTRL, *PASYNC_FSCTRL;
VOID
RequestReparse (
IN PASYNC_FSCTRL Fsctrl
);
//
// Local procedures
//
VOID
InputReparse(
IN PCHAR ParamBuffer
)
{
BOOLEAN HaveFileIndex = FALSE;
BOOLEAN HaveIoControlCode = FALSE;
USHORT FileIndex;
BOOLEAN UseEvent = TRUE;
PIO_APC_ROUTINE ApcRoutine = NULL;
PVOID ApcContext = NULL;
ULONG IoControlCode = 0;
PULONG InputBuffer = NULL;
ULONG InputBufferLength = 0;
PULONG OutputBuffer = NULL;
ULONG OutputBufferLength = 0;
BOOLEAN VerboseResults = FALSE;
BOOLEAN DisplayParms = FALSE;
USHORT AsyncIndex;
BOOLEAN LastInput = TRUE;
//
// While there is more input, analyze the parameter and update the
// query flags.
//
while(TRUE) {
ULONG DummyCount;
//
// Swallow leading white spaces.
//
ParamBuffer = SwallowWhite( ParamBuffer, &DummyCount );
if (*ParamBuffer) {
ULONG TempIndex;
//
// If the next parameter is legal then check the paramter value.
// Update the parameter value.
//
if((*ParamBuffer == '-'
|| *ParamBuffer == '/')
&& (ParamBuffer++, *ParamBuffer != '\0')) {
//
// Switch on the next character.
//
switch (*ParamBuffer) {
BOOLEAN SwitchBool;
//
// Update buffers to use.
//
case 'b' :
case 'B' :
//
// Move to the next character, as long as there
// are no white spaces continue analyzing letters.
// On the first bad letter, skip to the next
// parameter.
//
ParamBuffer++;
if (*ParamBuffer == '\0') {
break;
}
switch (*ParamBuffer) {
case 'i':
case 'I':
TempIndex = AsciiToInteger( ++ParamBuffer );
if (TempIndex >= MAX_BUFFERS) {
bprint "\n\tInputReparse: Invalid Input buffer" );
} else {
InputBuffer = (PULONG) Buffers[TempIndex].Buffer;
InputBufferLength = Buffers[TempIndex].Length;
}
break;
case 'o':
case 'O':
TempIndex = AsciiToInteger( ++ParamBuffer );
if (TempIndex >= MAX_BUFFERS) {
bprint "\n\tInputReparse: Invalid output buffer" );
} else {
OutputBuffer = (PULONG) Buffers[TempIndex].Buffer;
OutputBufferLength = Buffers[TempIndex].Length;
}
break;
}
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
break;
//
// Update buffer lengths.
//
case 'l' :
case 'L' :
//
// Move to the next character, as long as there
// are no white spaces continue analyzing letters.
// On the first bad letter, skip to the next
// parameter.
//
ParamBuffer++;
if (*ParamBuffer == '\0') {
break;
}
switch (*ParamBuffer) {
case 'i':
case 'I':
InputBufferLength = AsciiToInteger( ++ParamBuffer );
break;
case 'o':
case 'O':
OutputBufferLength = AsciiToInteger( ++ParamBuffer );
break;
}
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
break;
//
// Update the file handle index.
//
case 'i' :
case 'I' :
//
// Move to the next character, as long as there
// are no white spaces continue analyzing letters.
// On the first bad letter, skip to the next
// parameter.
//
ParamBuffer++;
FileIndex = (USHORT) (AsciiToInteger( ParamBuffer ));
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
HaveFileIndex = TRUE;
break;
//
// Check whether we should use an event to signal
// completion.
//
case 'e' :
case 'E' :
//
// Legal values for use event are T/t or F/f.
//
ParamBuffer++;
if (*ParamBuffer == 'T'
|| *ParamBuffer == 't') {
UseEvent = TRUE;
ParamBuffer++;
} else if (*ParamBuffer == 'F'
|| *ParamBuffer == 'f') {
UseEvent = FALSE;
ParamBuffer++;
}
break;
//
// Modify the operation
//
case 'o' :
case 'O' :
ParamBuffer++;
SwitchBool = TRUE;
while (*ParamBuffer
&& *ParamBuffer != ' '
&& *ParamBuffer != '\t') {
//
// Perform switch on character.
//
switch (*ParamBuffer) {
case 'a' :
case 'A' :
IoControlCode = FSCTL_GET_REPARSE_POINT;
HaveIoControlCode = TRUE;
break;
case 'b' :
case 'B' :
IoControlCode = FSCTL_SET_REPARSE_POINT;
HaveIoControlCode = TRUE;
break;
case 'c' :
case 'C' :
IoControlCode = FSCTL_DELETE_REPARSE_POINT;
HaveIoControlCode = TRUE;
break;
default :
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
SwitchBool = FALSE;
}
if (!SwitchBool) {
break;
}
ParamBuffer++;
}
break;
case 'v' :
case 'V' :
//
// Legal values for params are T/t or F/f.
//
ParamBuffer++;
if (*ParamBuffer == 'T'
|| *ParamBuffer == 't') {
VerboseResults = TRUE;
ParamBuffer++;
} else if (*ParamBuffer == 'F'
|| *ParamBuffer == 'f') {
VerboseResults = FALSE;
ParamBuffer++;
}
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
break;
case 'y' :
case 'Y' :
//
// Set the display parms flag and jump over this
// character.
//
DisplayParms = TRUE;
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
break;
case 'z' :
case 'Z' :
//
// Set flag for more input and jump over this char.
//
LastInput = FALSE;
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
break;
default :
//
// Swallow to the next white space and continue the
// loop.
//
ParamBuffer = SwallowNonWhite( ParamBuffer, &DummyCount );
}
}
//
// Else the text is invalid, skip the entire block.
//
//
//
// Else if there is no input then exit.
//
} else if (LastInput) {
break;
//
// Else try to read another line for open parameters.
//
} else {
}
}
if (!HaveFileIndex || !HaveIoControlCode) {
printf( "\n Usage: rp -i<digits> -o<char> -b<i|o><digits> -l<i|o><digits>\n" );
printf( "\n Options:" );
printf( "\n -i<digits> Open file handle" );
printf( "\n -o<chars> Reparse operation" );
printf( "\n -oa Get Reparse" );
printf( "\n -ob Set Reparse" );
printf( "\n -oc Delete Reparse" );
printf( "\n -b[i|o]<digits> I/O buffers" );
printf( "\n -l[i|o]<digits> I/O buffer lengths" );
printf( "\n -e[t|f] Use event results" );
printf( "\n -v[t|f] Verbose results" );
printf( "\n -y Display parameters to query" );
printf( "\n -z Additional input line" );
printf( "\n\n" );
//
// Else process the call.
//
} else {
NTSTATUS Status;
SIZE_T RegionSize;
ULONG TempIndex;
PASYNC_FSCTRL AsyncFsctrl;
HANDLE ThreadHandle;
ULONG ThreadId;
RegionSize = sizeof( ASYNC_FSCTRL );
Status = AllocateBuffer( 0, &RegionSize, &TempIndex );
AsyncIndex = (USHORT) TempIndex;
if (!NT_SUCCESS( Status )) {
printf("\n\tInputReparse: Unable to allocate async structure" );
} else {
AsyncFsctrl = (PASYNC_FSCTRL) Buffers[AsyncIndex].Buffer;
AsyncFsctrl->FileIndex = FileIndex;
AsyncFsctrl->UseEvent = UseEvent;
AsyncFsctrl->ApcRoutine = ApcRoutine;
AsyncFsctrl->ApcContext = ApcContext;
AsyncFsctrl->IoControlCode = IoControlCode;
AsyncFsctrl->InputBuffer = InputBuffer;
AsyncFsctrl->InputBufferLength = InputBufferLength;
AsyncFsctrl->OutputBuffer = OutputBuffer;
AsyncFsctrl->OutputBufferLength = OutputBufferLength;
AsyncFsctrl->VerboseResults = VerboseResults;
AsyncFsctrl->AsyncIndex = AsyncIndex;
if (DisplayParms) {
printf( "\nSparse Operation Parameters" );
printf( "\n Handle index -> %ld", FileIndex );
printf( "\n Sparse operation -> %ld", IoControlCode );
printf( "\n\n" );
}
if (!SynchronousCmds) {
ThreadHandle = CreateThread( NULL,
0,
RequestReparse,
AsyncFsctrl,
0,
&ThreadId );
if (ThreadHandle == 0) {
printf( "\nInputReparse: Spawning thread fails -> %d\n", GetLastError() );
}
} else {
RequestReparse( AsyncFsctrl );
}
}
}
return;
}
VOID
RequestReparse (
IN PASYNC_FSCTRL Fsctrl
)
{
HANDLE ThisEvent;
USHORT ThisEventIndex = 0;
NTSTATUS Status = STATUS_SUCCESS;
IO_STATUS_BLOCK IoSb;
IoSb.Status = 0;
IoSb.Information = 0;
if (Fsctrl->UseEvent) {
Status = ObtainEvent( &ThisEventIndex );
if (!NT_SUCCESS( Status )) {
bprint "\n\tRequestReparse: Unable to allocate an event" );
} else {
ThisEvent = Events[ThisEventIndex].Handle;
}
}
if (NT_SUCCESS( Status )) {
IoSb.Status = 0;
IoSb.Information = 0;
Status = NtFsControlFile( Handles[Fsctrl->FileIndex].Handle,
ThisEvent,
Fsctrl->ApcRoutine,
Fsctrl->ApcContext,
&IoSb,
Fsctrl->IoControlCode,
Fsctrl->InputBuffer,
Fsctrl->InputBufferLength,
Fsctrl->OutputBuffer,
Fsctrl->OutputBufferLength );
if (Fsctrl->VerboseResults) {
bprint "\nRequestReparse: Status -> %08lx\n", Status );
if (Fsctrl->UseEvent && NT_SUCCESS( Status )) {
if ((Status = NtWaitForSingleObject( ThisEvent,
FALSE,
NULL )) != STATUS_SUCCESS) {
bprint "\n\tRequestReparse: Wait for event failed -> %08lx", Status );
}
}
if (!NT_ERROR( Status )) {
bprint "\nRequestReparse: IoSb.Status -> %08lx", IoSb.Status );
bprint "\nRequestReparse: IoSb.Information -> %08lx", IoSb.Information );
}
bprint "\n" );
}
}
if (ThisEventIndex != 0) {
FreeEvent( ThisEventIndex );
}
DeallocateBuffer( Fsctrl->AsyncIndex );
NtTerminateThread( NtCurrentThread(), STATUS_SUCCESS );
bprint "\nRequestSparse: Thread not terminated\n" );
}
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