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[FSUTIL]

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Implement fsutil volume dismount

CORE-13805

svn path=/trunk/; revision=75910
This commit is contained in:
Pierre Schweitzer 2017-09-20 08:15:10 +00:00
parent 2bcf27a7d0
commit 84fd9647d3
3 changed files with 99 additions and 0 deletions
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1
reactos/base/applications/cmdutils/fsutil/CMakeLists.txt
View file

@ -4,6 +4,7 @@ list(APPEND SOURCE
fsinfo.c
fsutil.c
hardlink.c
volume.c
fsutil.h)
add_executable(fsutil ${SOURCE} fsutil.rc)
set_module_type(fsutil win32cui UNICODE)

2
reactos/base/applications/cmdutils/fsutil/fsutil.c
View file

@ -12,12 +12,14 @@
HandlerProc DirtyMain;
HandlerProc FsInfoMain;
HandlerProc HardLinkMain;
HandlerProc VolumeMain;
static HandlerItem HandlersList[] =
{
/* Proc, name, help */
{ DirtyMain, _T("dirty"), _T("Manipulates the dirty bit") },
{ FsInfoMain, _T("fsinfo"), _T("Gathers informations about file systems") },
{ HardLinkMain, _T("hardlink"), _T("Handles hard links") },
{ VolumeMain, _T("volume"), _T("Manages volumes") },
};
static void

96
reactos/base/applications/cmdutils/fsutil/volume.c Normal file
View file

@ -0,0 +1,96 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS FS utility tool
* FILE: base/applications/cmdutils/volume.c
* PURPOSE: FSutil volumes management
* PROGRAMMERS: Pierre Schweitzer <pierre@reactos.org>
*/
#include "fsutil.h"
/* Add handlers here for subcommands */
static HandlerProc DismountMain;
static HandlerItem HandlersList[] =
{
/* Proc, name, help */
{ DismountMain, _T("dismount"), _T("Dismounts a volume") },
};
static int
LockOrUnlockVolume(HANDLE Volume, BOOLEAN Lock)
{
DWORD Operation;
ULONG BytesRead;
Operation = (Lock ? FSCTL_LOCK_VOLUME : FSCTL_UNLOCK_VOLUME);
if (DeviceIoControl(Volume, Operation, NULL, 0, NULL, 0,
&BytesRead, NULL) == FALSE)
{
PrintErrorMessage(GetLastError());
return 1;
}
return 0;
}
static int
DismountMain(int argc, const TCHAR *argv[])
{
HANDLE Volume;
ULONG BytesRead;
/* We need a volume (letter or GUID) */
if (argc < 2)
{
_ftprintf(stderr, _T("Usage: fsutil volume dismount <volume>\n"));
_ftprintf(stderr, _T("\tFor example: fsutil volume dismount d:\n"));
return 1;
}
/* Get a handle for the volume */
Volume = OpenVolume(argv[1], FALSE);
if (Volume == INVALID_HANDLE_VALUE)
{
return 1;
}
/* Attempt to lock the volume */
if (LockOrUnlockVolume(Volume, TRUE))
{
CloseHandle(Volume);
return 1;
}
/* Issue the dismount command */
if (DeviceIoControl(Volume, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL,
0, &BytesRead, NULL) == FALSE)
{
PrintErrorMessage(GetLastError());
LockOrUnlockVolume(Volume, FALSE);
CloseHandle(Volume);
return 1;
}
/* Unlock and quit */
LockOrUnlockVolume(Volume, FALSE);
CloseHandle(Volume);
_ftprintf(stdout, _T("The %s volume has been dismounted\n"), argv[1]);
return 0;
}
static void
PrintUsage(const TCHAR * Command)
{
PrintDefaultUsage(_T(" VOLUME "), Command, (HandlerItem *)&HandlersList,
(sizeof(HandlersList) / sizeof(HandlersList[0])));
}
int
VolumeMain(int argc, const TCHAR *argv[])
{
return FindHandler(argc, argv, (HandlerItem *)&HandlersList,
(sizeof(HandlersList) / sizeof(HandlersList[0])),
PrintUsage);
}