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Date: Wed, 1 Aug 2007 15:09:05 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Request for running a test application
Message-ID: <20070801130905.GD13674@calimero.vinschen.de>
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References: <20070801090736 DOT GA11738 AT calimero DOT vinschen DOT de> <46B077DD DOT 7050509 AT users DOT sourceforge DOT net> <46B07ACA DOT 4050108 AT gmx DOT de> <46B081E2 DOT 7040401 AT users DOT sourceforge DOT net>
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On Aug  1 14:51, Frank Fesevur wrote:
> Saro Engels wrote:
> >Frank Fesevur schrieb:
> >>
> >>Administrator AT PC3 /cygdrive/d/Software
> >>$ ./getvolinfo.exe z:
> >>
> >
> >Have you tried ./getvolinfo.exe Z:
> >with capital Z?
> 
> Just tried and it does not make any difference. Turn out that when I run 
> it on a local NTFS drive (C:), it gives no result either. It is session 
> on the console of a Win2003 Server with SP2 logged in Administrator.

Weird.  Try the attached one instead.  It adds error output.


Thanks,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Content-Type: text/x-c++src; charset=us-ascii
Content-Disposition: attachment; filename="getvolinfo.c"

#include <stdio.h>
#include <string.h>
#include <sys/cygwin.h>
#define _WIN32_WINNT 0x0600
#include <windows.h>
#include <ddk/ntifs.h>
#include <wchar.h>

#ifndef FILE_READ_ONLY_VOLUME
#define FILE_READ_ONLY_VOLUME 0x80000
#endif
#ifndef FILE_SEQUENTIAL_WRITE_ONCE
#define FILE_SEQUENTIAL_WRITE_ONCE 0x100000
#endif
#ifndef FILE_SUPPORTS_TRANSACTIONS
#define FILE_SUPPORTS_TRANSACTIONS 0x200000
#endif

BOOL NTAPI RtlCreateUnicodeStringFromAsciiz (PUNICODE_STRING, PCSTR);

int __stdcall
sys_wcstombs (char *tgt, int tlen, const WCHAR *src, int slen)
{
  int ret;
    
  ret = WideCharToMultiByte (GetOEMCP (), 0, src, slen, tgt, tlen, NULL, NULL);
  if (ret)
    tgt[ret < tlen ? ret : tlen - 1] = '\0';
  return ret;
}   

int
main (int argc, char **argv)
{
  char winpath[256];
  DWORD flags = 0;
  HANDLE h;
  UNICODE_STRING wpath;
  UNICODE_STRING upath;
  OBJECT_ATTRIBUTES attr;
  IO_STATUS_BLOCK io;
  NTSTATUS stat;
  ULONG ret;

  if (argc < 2)
    {
      fprintf (stderr, "usage: %s path\n", argv[0]);
      return 1;
    }
  cygwin_conv_to_full_win32_path (argv[1], winpath);
  if (!RtlCreateUnicodeStringFromAsciiz (&wpath, winpath))
    {
      fprintf (stderr, "RtlCreateUnicodeStringFromAsciiz failed\n");
      return 1;
    }
  if (!RtlDosPathNameToNtPathName_U (wpath.Buffer, &upath, NULL, NULL))
    {
      fprintf (stderr, "RtlDosPathNameToNtPathName_U failed\n");
      RtlFreeUnicodeString (&wpath);
      return 1;
    }
  InitializeObjectAttributes (&attr, &upath, OBJ_CASE_INSENSITIVE, NULL, NULL);
  stat = ZwOpenFile (&h, READ_CONTROL, &attr, &io, FILE_SHARE_VALID_FLAGS,
		     FILE_OPEN_FOR_BACKUP_INTENT);
  if (!NT_SUCCESS (stat) && stat == STATUS_NO_MEDIA_IN_DEVICE)
    {
      upath.Length = 6 * sizeof (WCHAR);
      stat = ZwOpenFile (&h, READ_CONTROL, &attr, &io, FILE_SHARE_VALID_FLAGS, 0);
    }
  if (!NT_SUCCESS (stat))
    {
      char buf[1024];
      wcstombs (buf, upath.Buffer, upath.Length / sizeof (WCHAR));
      buf[upath.Length / sizeof (WCHAR)] = '\0';
      fprintf (stderr, "ZwOpenFile(%s) failed, %08x\n", buf, stat);
      return 1;
    }

  char buf[1024];
  char name[256];

  stat = ZwQueryVolumeInformationFile (h, &io, buf, 1024,
						FileFsDeviceInformation);
  if (NT_SUCCESS (stat))
    {
      PFILE_FS_DEVICE_INFORMATION pfi =
	    (PFILE_FS_DEVICE_INFORMATION) buf;
      printf ("Device Type        : %lx\n", pfi->DeviceType);
      printf ("Characteristics    : %lx\n", pfi->Characteristics);
    }
  else
    fprintf (stderr, "FileFsDeviceInformation failed, %08lx\n", stat);
  stat = ZwQueryVolumeInformationFile (h, &io, buf, 1024,
						FileFsVolumeInformation);
  if (NT_SUCCESS (stat))
    {
      PFILE_FS_VOLUME_INFORMATION pfi =
	    (PFILE_FS_VOLUME_INFORMATION) buf;
      if (pfi->VolumeLabelLength)
	{
	  sys_wcstombs (name, 256, pfi->VolumeLabel,
			pfi->VolumeLabelLength / sizeof (WCHAR));
	  printf ("Volume Name        : <%s>\n", name);
	}
      else
	printf ("Volume Name        : <>\n");
      printf ("Serial Number      : %lu\n", pfi->VolumeSerialNumber);
    }
  else
    fprintf (stderr, "FileFsVolumeInformation failed, %08lx\n", stat);
  stat = ZwQueryVolumeInformationFile (h, &io, buf, 1024,
				       FileFsAttributeInformation);
  if (NT_SUCCESS (stat))
    {
      PFILE_FS_ATTRIBUTE_INFORMATION pfi =
	    (PFILE_FS_ATTRIBUTE_INFORMATION) buf;
      printf ("Max Filenamelength : %lu\n",pfi->MaximumComponentNameLength);
      sys_wcstombs (name, 256, pfi->FileSystemName,
		    pfi->FileSystemNameLength / sizeof (WCHAR));
      printf ("Filesystemname     : <%s>\n", name);
      printf ("Flags              : %lx\n",
	      flags = pfi->FileSystemAttributes);

      printf ("  FILE_CASE_SENSITIVE_SEARCH  : %s\n",
	      (flags & FILE_CASE_SENSITIVE_SEARCH) ? "TRUE" : "FALSE");
      printf ("  FILE_CASE_PRESERVED_NAMES   : %s\n",
	      (flags & FILE_CASE_PRESERVED_NAMES) ? "TRUE" : "FALSE");
      printf ("  FILE_UNICODE_ON_DISK        : %s\n",
	      (flags & FILE_UNICODE_ON_DISK) ? "TRUE" : "FALSE");
      printf ("  FILE_PERSISTENT_ACLS        : %s\n",
	      (flags & FILE_PERSISTENT_ACLS) ? "TRUE" : "FALSE");
      printf ("  FILE_FILE_COMPRESSION       : %s\n",
	      (flags & FILE_FILE_COMPRESSION) ? "TRUE" : "FALSE");
      printf ("  FILE_VOLUME_QUOTAS          : %s\n",
	      (flags & FILE_VOLUME_QUOTAS) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_SPARSE_FILES  : %s\n",
	      (flags & FILE_SUPPORTS_SPARSE_FILES) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_REPARSE_POINTS: %s\n",
	      (flags & FILE_SUPPORTS_REPARSE_POINTS) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_REMOTE_STORAGE: %s\n",
	      (flags & FILE_SUPPORTS_REMOTE_STORAGE) ? "TRUE" : "FALSE");
      printf ("  FILE_VOLUME_IS_COMPRESSED   : %s\n",
	      (flags & FILE_VOLUME_IS_COMPRESSED) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_OBJECT_IDS    : %s\n",
	      (flags & FILE_SUPPORTS_OBJECT_IDS) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_ENCRYPTION    : %s\n",
	      (flags & FILE_SUPPORTS_ENCRYPTION) ? "TRUE" : "FALSE");
      printf ("  FILE_NAMED_STREAMS          : %s\n",
	      (flags & FILE_NAMED_STREAMS) ? "TRUE" : "FALSE");
      printf ("  FILE_READ_ONLY_VOLUME       : %s\n",
	      (flags & FILE_READ_ONLY_VOLUME) ? "TRUE" : "FALSE");
      printf ("  FILE_SEQUENTIAL_WRITE_ONCE  : %s\n",
	      (flags & FILE_SEQUENTIAL_WRITE_ONCE) ? "TRUE" : "FALSE");
      printf ("  FILE_SUPPORTS_TRANSACTIONS  : %s\n",
	      (flags & FILE_SUPPORTS_TRANSACTIONS) ? "TRUE" : "FALSE");
    }
  else
    fprintf (stderr, "FileFsAttributeInformation failed, %08lx\n", stat);
  ZwClose (h);
  RtlFreeUnicodeString (&upath);
  RtlFreeUnicodeString (&wpath);
  return 0;
}


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