98 lines
2.3 KiB
C
98 lines
2.3 KiB
C
// rootattr.c
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#include <stdio.h>
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#include <string.h>
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <ntioapi.h>
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VOID
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_cdecl
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main (
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int argc,
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char *argv[]
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)
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{
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IO_STATUS_BLOCK ioStatusBlock;
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FILE_BASIC_INFORMATION basicInfo;
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HANDLE hFile;
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NTSTATUS status;
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char buffer[260];
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//
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// Get parameters
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//
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if (argc < 2) {
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printf("This program returns or sets the attributes for the root directory.\n\n");
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printf("usage: %s driveletter [new value]\n", argv[0]);
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return;
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}
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strcpy( buffer, argv[1] );
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strcat( buffer, "\\" );
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hFile = CreateFile( buffer,
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MAXIMUM_ALLOWED,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_FLAG_BACKUP_SEMANTICS | SECURITY_IMPERSONATION,
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NULL );
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if ( hFile == INVALID_HANDLE_VALUE ) {
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printf( "Error opening directory %s, error %d (decimal)\n", buffer, GetLastError() );
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return;
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}
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status = NtQueryInformationFile( hFile,
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&ioStatusBlock,
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&basicInfo,
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sizeof( basicInfo ),
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FileBasicInformation );
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if (!NT_SUCCESS( status )) {
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printf( "Couldn't get attributes, error status %x\n", status );
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CloseHandle( hFile );
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return;
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}
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printf( "Attributes for %s are currently: %0x\n", buffer, basicInfo.FileAttributes );
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if (argc >= 3) {
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//
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// Third argument present, must be setting attributes.
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//
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sscanf( argv[2], "%02x", &basicInfo.FileAttributes );
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printf( "Setting attributes for %s to: %0x\n", buffer, basicInfo.FileAttributes );
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status = NtSetInformationFile( hFile,
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&ioStatusBlock,
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&basicInfo,
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sizeof( basicInfo ),
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FileBasicInformation );
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if (NT_SUCCESS( status )) {
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printf( "Set attributes succesfully\n" );
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} else {
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printf( "Couldn't set attributes, error status %x\n", status );
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}
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}
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CloseHandle( hFile );
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return;
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}
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