425 lines
8.4 KiB
C
425 lines
8.4 KiB
C
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/*++
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Program Description:
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prints out rptag info..
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Modification History:
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09/29/97 anandn created
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modified from rptag_stress.c code..
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--*/
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#include "rpget.h"
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THREAD CHAR gszLogMsg[LINE_LENGTH]; // log message string, local to thread
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USHORT gMaxDataBuffSize = MAXIMUM_REPARSE_DATA_BUFFER_SIZE -
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FIELD_OFFSET(REPARSE_DATA_BUFFER, GenericReparseBuffer);
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//
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// main
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//
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VOID __cdecl main(INT argc, CHAR* argv[]) {
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BOOL fSuccess;
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OPTIONS Options; // command line options
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PBYTE pOutBuff = NULL;
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PUCHAR pDataBuff;
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USHORT usDataBuffSize;
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if (argc<2) {
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printf("Usage: %s filename\n",argv[0]);
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ExitProcess(1);
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}
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fSuccess = RPGet( argv[1], &pOutBuff );
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if ( ! fSuccess ) {
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printf("ERROR: RPGet failed\n");
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ExitProcess(1);
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}
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//
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// print out rp buffer
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//
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printf("\n");
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printf("ReparseTag = %Xh\n",
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(((PREPARSE_DATA_BUFFER) pOutBuff)->ReparseTag));
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printf("ReparseDataLength = %d\n",
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((PREPARSE_DATA_BUFFER) pOutBuff)->ReparseDataLength);
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printf("Reserved = %d\n",
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((PREPARSE_DATA_BUFFER) pOutBuff)->Reserved);
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printf("Dumping GenericReparseBuffer:\n");
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DumpBuff((PBYTE) (((PREPARSE_DATA_BUFFER) pOutBuff)->GenericReparseBuffer.DataBuffer),
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(WORD) ((PREPARSE_DATA_BUFFER) pOutBuff)->ReparseDataLength);
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}
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BOOL
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RPGet( CHAR szFileName[], BYTE **ppOutBuff)
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{
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BOOL fSuccess;
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DWORD dwRc = 0;
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DWORD gle;
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DWORD dwOutBuffLen;
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HANDLE hFile;
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__try {
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hFile = RPOpen( szFileName, "rpf" );
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// if open fails..try as directory..
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if (hFile == INVALID_HANDLE_VALUE) {
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hFile = RPOpen( szFileName, "rpd" );
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}
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if (hFile == INVALID_HANDLE_VALUE) {
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printf("error opening %s\n", szFileName);
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return FALSE;
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}
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dwOutBuffLen = MAXIMUM_REPARSE_DATA_BUFFER_SIZE;
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*ppOutBuff = (PBYTE) calloc( dwOutBuffLen, 1);
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if (NULL == *ppOutBuff) {
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printf("error callocing OutBuff in RPGet\n");
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return FALSE;
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}
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SetLastError( ERROR_SUCCESS );
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//
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// try the fsctl..
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//
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fSuccess = DeviceIoControl( hFile,
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FSCTL_GET_REPARSE_POINT,
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NULL,
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0,
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*ppOutBuff,
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dwOutBuffLen,
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&dwRc,
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NULL);
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printf("dwRc= %ld\n", dwRc);
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if ( ! fSuccess ) {
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gle = GetLastError();
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printf("ERROR: FSCTL_GET_REPARSE_POINT in RPGet\n");
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printf("GLE : %ld\n",GetLastError());
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return FALSE;
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}
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return TRUE;
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} __finally {
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}
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}
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VOID
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DumpBuff( PBYTE pData, WORD wSize )
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{
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WORD i=0;
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WORD j=0;
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CHAR szData[LINE_LENGTH];
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WORD NumLines;
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NumLines = wSize/8;
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if (NumLines) {
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for( i=0; i < NumLines; i++) {
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szData[0] = '\0';
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for( j=0; j<8; j++) {
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sprintf(szData,TEXT("%s %02X"), szData, *(pData + i*8 + j));
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if (j==3) {
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sprintf(szData, TEXT("%s -"), szData);
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}
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}
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sprintf(szData, TEXT("%s "), szData);
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for( j=0; j<8; j++) {
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if (*(pData + i*8 + j) > ' ') {
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sprintf(szData,TEXT("%s%c"), szData, *(pData + i*8 + j));
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} else {
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sprintf(szData,TEXT("%s."), szData);
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}
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}
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sprintf(gszLogMsg, TEXT("%05d:%s"), i*8, szData);
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printf("%s\n", gszLogMsg );
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}
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}
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wSize %= 8;
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if (wSize) {
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szData[0] = '\0';
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for( j=0; j<8; j++) {
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if (j >= wSize) {
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sprintf(szData,TEXT("%s "), szData);
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} else {
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sprintf(szData,TEXT("%s %02X"), szData, *(pData + i*8 + j));
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}
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if (j==3) {
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sprintf(szData, TEXT("%s -"), szData);
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}
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}
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sprintf(szData, TEXT("%s "), szData);
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for( j=0; j<8; j++) {
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if (j >= wSize) {
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sprintf(szData,TEXT("%s "), szData);
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} else {
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if (*(pData + i*8 + j) > ' ') {
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sprintf(szData,TEXT("%s%c"), szData, *(pData + i*8 + j));
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} else {
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sprintf(szData,TEXT("%s."), szData);
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}
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}
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}
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sprintf(gszLogMsg, TEXT("%05d:%s"), i*8, szData);
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printf("%s\n", gszLogMsg );
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}
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}
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//
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// Simple wrapper for NtCreateFile
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//
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NTSTATUS
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OpenObject (
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WCHAR *pwszFile,
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ULONG CreateOptions,
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ULONG DesiredAccess,
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ULONG ShareAccess,
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ULONG CreateDisposition,
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IO_STATUS_BLOCK *IoStatusBlock,
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HANDLE *ObjectHandle)
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{
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NTSTATUS Status;
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING str;
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RtlDosPathNameToNtPathName_U(
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pwszFile,
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&str,
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NULL,
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NULL);
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InitializeObjectAttributes(
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&ObjectAttributes,
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&str,
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OBJ_CASE_INSENSITIVE,
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NULL,
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NULL);
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Status = NtCreateFile(
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ObjectHandle,
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DesiredAccess | SYNCHRONIZE,
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&ObjectAttributes,
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IoStatusBlock,
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NULL, // pallocationsize (none!)
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FILE_ATTRIBUTE_NORMAL,
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ShareAccess,
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CreateDisposition,
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CreateOptions,
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NULL, // EA buffer (none!)
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0);
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RtlFreeHeap (RtlProcessHeap(), 0, str.Buffer);
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if (!NT_SUCCESS( Status )) {
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printf("NtCreateFile Status %Xh\n", Status);
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}
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return (Status);
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}
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//----------------------------------------------------------------------------
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//
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// RPOpen
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//
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// This function opens a file / directory in the specified mode
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// and if unsuccessful returns NULL
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// INPUT - NAME and OPTION
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//
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//----------------------------------------------------------------------------
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HANDLE
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RPOpen (LPSTR szFileName,
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LPSTR szOption )
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{
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DWORD dwOption = 0;
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DWORD dwAccess = 0;
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DWORD dwDisposition = 0;
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HANDLE hFile;
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NTSTATUS Status ;
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DWORD dwLastErr ;
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IO_STATUS_BLOCK IoStatusBlock ;
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WCHAR wszFileName[MAX_PATH];
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if (!_stricmp (szOption, "rpf")) {
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dwOption = FILE_NON_DIRECTORY_FILE |
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FILE_OPEN_REPARSE_POINT;
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dwAccess = FILE_READ_DATA |
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FILE_WRITE_DATA |
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FILE_WRITE_ATTRIBUTES |
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FILE_READ_ATTRIBUTES;
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dwDisposition = FILE_OPEN_IF ;
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} else if (!_stricmp (szOption, "rpd")) {
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dwOption = FILE_OPEN_REPARSE_POINT;
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dwAccess = FILE_WRITE_DATA ;
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dwDisposition = FILE_OPEN_IF ;
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} else if (!_stricmp (szOption, "d")) {
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dwOption = FILE_OPEN_REPARSE_POINT ;
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dwAccess = FILE_WRITE_DATA ;
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dwDisposition = FILE_OPEN_IF ;
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} else if (!_stricmp (szOption, "f")) {
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dwOption = FILE_NON_DIRECTORY_FILE;
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dwAccess = FILE_READ_DATA |
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FILE_WRITE_DATA |
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FILE_LIST_DIRECTORY |
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FILE_WRITE_ATTRIBUTES |
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FILE_READ_ATTRIBUTES;
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dwDisposition = OPEN_ALWAYS ;
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}
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SzToWsz (wszFileName, szFileName);
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if ( (0 == lstrcmp ( szOption , "f") ) ||
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(0 == lstrcmp ( szOption , "rpf") ) ) {
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hFile = CreateFile ( szFileName ,
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GENERIC_READ | GENERIC_WRITE ,
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
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NULL ,
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dwDisposition ,
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dwOption | FILE_OPEN_NO_RECALL,
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NULL ) ;
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if ( INVALID_HANDLE_VALUE == hFile ) {
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// printf( TEXT("ERROR: CreateFile in RPOpen\n") );
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}
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} else {
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Status = OpenObject (wszFileName,
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dwOption,
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dwAccess,
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FILE_SHARE_READ |
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FILE_SHARE_WRITE |
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FILE_SHARE_DELETE,
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dwDisposition,
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&IoStatusBlock,
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&hFile);
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if (!NT_SUCCESS (Status)) {
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printf( TEXT("OpenObject in RPOpen\n") );
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}
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}
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return hFile;
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}
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VOID
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SzToWsz (
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OUT WCHAR *Unicode,
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IN char *Ansi
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)
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{
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while (*Unicode++ = *Ansi++)
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;
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}
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VOID
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WszToSz (
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OUT char *Ansi,
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IN WCHAR *Unicode
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)
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{
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while (*Ansi++ = (char) *Unicode++)
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;
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}
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