120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
#include <stdio.h>
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#include <nt.h>
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VOID
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DisplayUsage(
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wchar_t *ExeName
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)
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{
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printf( "This program tests opening a Volume with FILE_OPEN_REPARSE_POINT CreatOptions\n");
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printf( "usage: %S [volume]\n", ExeName );
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}
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//
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// Main program for TEST program
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//
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int _cdecl wmain(int argc, wchar_t *argv[])
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{
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NTSTATUS status;
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NTSTATUS closeStatus;
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HANDLE volHandle;
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IO_STATUS_BLOCK ioStatusBlock;
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OBJECT_ATTRIBUTES obja;
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UNICODE_STRING fname;
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wchar_t nameBuf[128];
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if (argc < 2) {
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DisplayUsage( argv[0] );
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return 1;
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}
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//
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// Create file normally
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//
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wcscpy(nameBuf,L"\\??\\");
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wcscat(nameBuf,argv[1]);
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fname.Buffer = nameBuf;
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fname.MaximumLength = (USHORT)(sizeof( nameBuf ) * sizeof( wchar_t ));
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fname.Length = (USHORT)(wcslen( nameBuf ) * sizeof( wchar_t ));
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InitializeObjectAttributes(
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&obja,
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&fname,
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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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&volHandle,
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(GENERIC_READ | GENERIC_EXECUTE | SYNCHRONIZE),
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&obja,
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&ioStatusBlock,
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NULL, //Initial allocation size
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FILE_ATTRIBUTE_NORMAL, //FileAttributes
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, //ShareMode
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FILE_OPEN, //CreateDisposition
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(FILE_OPEN_FOR_BACKUP_INTENT | //CreateOptions
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FILE_SEQUENTIAL_ONLY |
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FILE_OPEN_NO_RECALL |
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/*FILE_OPEN_REPARSE_POINT |*/
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FILE_SYNCHRONOUS_IO_NONALERT),
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NULL,0); //ea buffer and length
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if (status != 0) {
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printf("Error opening \"%S\" without FILE_FLAG_OPEN_REPARSE_POINT flag, status=%08x\n",argv[1],status);
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return 0;
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}
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printf("Successfully opened \"%S\" without FILE_FLAG_OPEN_REPARSE_POINT set\n",argv[1]);
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closeStatus = NtClose( volHandle );
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if (closeStatus != 0) {
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printf("Close failed, status=%08x\n",closeStatus);
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}
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//
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// Create file with FILE_FLAG_OPEN_REPARSE_POINT flag.
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//
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status = NtCreateFile(
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&volHandle,
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(GENERIC_READ | GENERIC_EXECUTE | SYNCHRONIZE),
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&obja,
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&ioStatusBlock,
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NULL, //Initial allocation size
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FILE_ATTRIBUTE_NORMAL, //FileAttributes
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FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, //ShareMode
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FILE_OPEN, //CreateDisposition
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(FILE_OPEN_FOR_BACKUP_INTENT | //CreateOptions
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FILE_SEQUENTIAL_ONLY |
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FILE_OPEN_NO_RECALL |
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FILE_OPEN_REPARSE_POINT |
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FILE_SYNCHRONOUS_IO_NONALERT),
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NULL,0); //ea buffer and length
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if (status != 0) {
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printf("Error opening \"%S\" with FILE_FLAG_OPEN_REPARSE_POINT flag, status=%08x\n",argv[1],status);
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return 0;
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}
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printf("Successfully opened \"%S\" with FILE_FLAG_OPEN_REPARSE_POINT set\n",argv[1]);
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closeStatus = NtClose( volHandle );
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if (closeStatus != 0) {
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printf("Close failed, status=%08x\n",closeStatus);
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}
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return 0;
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}
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