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sys: FspFsvolQueryDirectoryRetry: special handling for when pattern is filename

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This commit is contained in:
Bill Zissimopoulos
2017-09-29 15:44:49 -07:00
parent 98334208b9
commit 9a4f04f46a
1 changed files with 16 additions and 5 deletions
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21
src/sys/dirctl.c
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@@ -557,6 +557,22 @@ static NTSTATUS FspFsvolQueryDirectoryRetry(
FspFileNodeConvertExclusiveToShared(FileNode, Full); FspFileNodeConvertExclusiveToShared(FileNode, Full);
/* special handling when pattern is filename */
PatternIsFileName = FsvolDeviceExtension->VolumeParams.PassQueryDirectoryFileName &&
!FsRtlDoesNameContainWildCards(&FileDesc->DirectoryPattern);
PassQueryDirectoryPattern = PatternIsFileName ||
(FsvolDeviceExtension->VolumeParams.PassQueryDirectoryPattern &&
FspFileDescDirectoryPatternMatchAll != FileDesc->DirectoryPattern.Buffer);
if (PatternIsFileName &&
0 != FileDesc->DirectoryMarker.Buffer &&
0 == FspFileNameCompare(&FileDesc->DirectoryPattern, &FileDesc->DirectoryMarker,
!FileDesc->CaseSensitive, 0))
{
FspFileNodeRelease(FileNode, Full);
return !FileDesc->DirectoryHasSuchFile ?
STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
}
/* buffer the user buffer! */ /* buffer the user buffer! */
Result = FspFsvolQueryDirectoryBufferUserBuffer( Result = FspFsvolQueryDirectoryBufferUserBuffer(
FsvolDeviceExtension, Irp, &SystemBufferLength); FsvolDeviceExtension, Irp, &SystemBufferLength);
@@ -567,11 +583,6 @@ static NTSTATUS FspFsvolQueryDirectoryRetry(
} }
/* create request */ /* create request */
PatternIsFileName = FsvolDeviceExtension->VolumeParams.PassQueryDirectoryFileName &&
!FsRtlDoesNameContainWildCards(&FileDesc->DirectoryPattern);
PassQueryDirectoryPattern = PatternIsFileName ||
(FsvolDeviceExtension->VolumeParams.PassQueryDirectoryPattern &&
FspFileDescDirectoryPatternMatchAll != FileDesc->DirectoryPattern.Buffer);
Result = FspIopCreateRequestEx(Irp, 0, Result = FspIopCreateRequestEx(Irp, 0,
(PassQueryDirectoryPattern ? FileDesc->DirectoryPattern.Length + sizeof(WCHAR) : 0) + (PassQueryDirectoryPattern ? FileDesc->DirectoryPattern.Length + sizeof(WCHAR) : 0) +
(FsvolDeviceExtension->VolumeParams.MaxComponentLength + 1) * sizeof(WCHAR), (FsvolDeviceExtension->VolumeParams.MaxComponentLength + 1) * sizeof(WCHAR),