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Major refactoring: WIP

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This commit is contained in:
Bill Zissimopoulos 2015-12-22 19:34:38 -08:00
parent dc9d5409a7
commit 1abbf5b0f6
1 changed files with 12 additions and 1 deletions
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13
src/sys/volume.c
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@ -44,6 +44,7 @@ NTSTATUS FspVolumeCreate(
NTSTATUS Result; NTSTATUS Result;
PFILE_OBJECT FileObject = IrpSp->FileObject; PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FSCTL_VOLUME_PARAMS VolumeParams = { 0 }; FSP_FSCTL_VOLUME_PARAMS VolumeParams = { 0 };
USHORT PrefixLength = 0;
GUID Guid; GUID Guid;
UNICODE_STRING DeviceSddl; UNICODE_STRING DeviceSddl;
UNICODE_STRING VolumeName; UNICODE_STRING VolumeName;
@ -84,6 +85,14 @@ NTSTATUS FspVolumeCreate(
if (FspFsctlTransactTimeoutMinimum > VolumeParams.TransactTimeout || if (FspFsctlTransactTimeoutMinimum > VolumeParams.TransactTimeout ||
VolumeParams.TransactTimeout > FspFsctlTransactTimeoutMaximum) VolumeParams.TransactTimeout > FspFsctlTransactTimeoutMaximum)
VolumeParams.TransactTimeout = FspFsctlTransactTimeoutDefault; VolumeParams.TransactTimeout = FspFsctlTransactTimeoutDefault;
VolumeParams.Prefix[sizeof VolumeParams.Prefix / 2 - 1] = L'\0';
while (L'\0' != VolumeParams.Prefix[PrefixLength++])
;
while (0 < PrefixLength && L'\\' == VolumeParams.Prefix[--PrefixLength])
;
VolumeParams.Prefix[PrefixLength] = L'\0';
if (0 == PrefixLength)
return STATUS_INVALID_PARAMETER;
/* create volume guid */ /* create volume guid */
Result = FspCreateGuid(&Guid); Result = FspCreateGuid(&Guid);
@ -374,7 +383,9 @@ NTSTATUS FspVolumeRedirQueryPathEx(
{ {
RtlInitUnicodeString(&Prefix, FsvolDeviceExtension->VolumeParams.Prefix); RtlInitUnicodeString(&Prefix, FsvolDeviceExtension->VolumeParams.Prefix);
if (Prefix.Length <= QueryPathRequest->PathName.Length && if (Prefix.Length <= QueryPathRequest->PathName.Length &&
RtlEqualMemory(Prefix.Buffer, QueryPathRequest->PathName.Buffer, Prefix.Length)) RtlEqualMemory(Prefix.Buffer, QueryPathRequest->PathName.Buffer, Prefix.Length) &&
(Prefix.Length == QueryPathRequest->PathName.Length ||
'\\' == QueryPathRequest->PathName.Buffer[Prefix.Length]))
{ {
QueryPathResponse->LengthAccepted = Prefix.Length; QueryPathResponse->LengthAccepted = Prefix.Length;