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sys: FspVolumeGetName: now return concat of VolumeName and VolumePrefix (if network mount)

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This commit is contained in:
Bill Zissimopoulos
2016-04-18 12:12:52 -07:00
parent 7ee6a52260
commit 7025dd5cf0
5 changed files with 18 additions and 45 deletions
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44
src/dll/fs.c
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@ -16,29 +16,6 @@ static FSP_FILE_SYSTEM_INTERFACE FspFileSystemNullInterface;
static CRITICAL_SECTION FspFileSystemMountListGuard;
static LIST_ENTRY FspFileSystemMountList = { &FspFileSystemMountList, &FspFileSystemMountList };
static inline
BOOL FspFileSystemDefineDosDevice(DWORD Flags, PWSTR MountPoint, FSP_FILE_SYSTEM *FileSystem)
{
WCHAR TargetBuf[(
sizeof(((FSP_FILE_SYSTEM *)0)->VolumePrefix) +
sizeof(((FSP_FILE_SYSTEM *)0)->VolumeName)) / sizeof(WCHAR)];
PWSTR P;
ULONG L0, L1;
for (P = FileSystem->VolumeName; *P; P++)
;
L0 = (ULONG)(P - FileSystem->VolumeName);
memcpy(TargetBuf, FileSystem->VolumeName, L0 * sizeof(WCHAR));
for (P = FileSystem->VolumePrefix; *P; P++)
;
L1 = (ULONG)(P - FileSystem->VolumePrefix);
memcpy(TargetBuf + L0, FileSystem->VolumePrefix, L1 * sizeof(WCHAR));
TargetBuf[L0 + L1] = L'\0';
return DefineDosDeviceW(Flags, MountPoint, TargetBuf);
}
VOID FspFileSystemInitialize(VOID)
{
/*
@ -85,9 +62,9 @@ VOID FspFileSystemFinalize(VOID)
{
FileSystem = CONTAINING_RECORD(MountEntry, FSP_FILE_SYSTEM, MountEntry);
FspFileSystemDefineDosDevice(
DefineDosDeviceW(
DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
FileSystem->MountPoint, FileSystem);
FileSystem->MountPoint, FileSystem->VolumeName);
}
LeaveCriticalSection(&FspFileSystemMountListGuard);
@ -100,7 +77,6 @@ FSP_API NTSTATUS FspFileSystemCreate(PWSTR DevicePath,
{
NTSTATUS Result;
FSP_FILE_SYSTEM *FileSystem;
ULONG PrefixLength;
*PFileSystem = 0;
@ -121,14 +97,6 @@ FSP_API NTSTATUS FspFileSystemCreate(PWSTR DevicePath,
return Result;
}
memcpy(FileSystem->VolumePrefix, VolumeParams->Prefix, sizeof VolumeParams->Prefix);
FileSystem->VolumePrefix[sizeof FileSystem->VolumePrefix / sizeof(WCHAR) - 1] = L'\0';
for (PrefixLength = 0; L'\0' != FileSystem->VolumePrefix[PrefixLength]; PrefixLength++)
;
for (; 0 < PrefixLength && L'\\' == FileSystem->VolumePrefix[PrefixLength - 1]; PrefixLength--)
;
FileSystem->VolumePrefix[PrefixLength] = L'\0';
FileSystem->Operations[FspFsctlTransactCreateKind] = FspFileSystemOpCreate;
FileSystem->Operations[FspFsctlTransactOverwriteKind] = FspFileSystemOpOverwrite;
FileSystem->Operations[FspFsctlTransactCleanupKind] = FspFileSystemOpCleanup;
@ -183,7 +151,7 @@ FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR M
if (0 == (Drives & (1 << (Drive - 'A'))))
{
MountPoint[0] = Drive;
if (FspFileSystemDefineDosDevice(DDD_RAW_TARGET_PATH, MountPoint, FileSystem))
if (DefineDosDeviceW(DDD_RAW_TARGET_PATH, MountPoint, FileSystem->VolumeName))
{
Result = STATUS_SUCCESS;
goto exit;
@ -209,7 +177,7 @@ FSP_API NTSTATUS FspFileSystemSetMountPoint(FSP_FILE_SYSTEM *FileSystem, PWSTR M
memcpy(P, MountPoint, L);
MountPoint = P;
if (FspFileSystemDefineDosDevice(DDD_RAW_TARGET_PATH, MountPoint, FileSystem))
if (DefineDosDeviceW(DDD_RAW_TARGET_PATH, MountPoint, FileSystem->VolumeName))
Result = STATUS_SUCCESS;
else
Result = FspNtStatusFromWin32(GetLastError());
@ -239,8 +207,8 @@ FSP_API VOID FspFileSystemRemoveMountPoint(FSP_FILE_SYSTEM *FileSystem)
RemoveEntryList(&FileSystem->MountEntry);
LeaveCriticalSection(&FspFileSystemMountListGuard);
FspFileSystemDefineDosDevice(DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
FileSystem->MountPoint, FileSystem);
DefineDosDeviceW(DDD_RAW_TARGET_PATH | DDD_REMOVE_DEFINITION | DDD_EXACT_MATCH_ON_REMOVE,
FileSystem->MountPoint, FileSystem->VolumeName);
MemFree(FileSystem->MountPoint);
FileSystem->MountPoint = 0;