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sys: IRP_MJ_DIRECTORY_CONTROL: DirectoryHasSuchFile

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This commit is contained in:
Bill Zissimopoulos 2016-03-29 15:59:56 -07:00
parent bd96826286
commit 48ee6f067a
2 changed files with 16 additions and 3 deletions
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18
src/sys/dirctl.c
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@ -280,10 +280,12 @@ static NTSTATUS FspFsvolQueryDirectoryCopyCache(
if (NT_SUCCESS(Result))
{
if (0 != *PDestLen)
FileDesc->DirectoryHasSuchFile = TRUE;
FileDesc->DirectoryOffset = DirectoryOffset;
FileDesc->DirInfoCacheHint = (ULONG)((PUINT8)DirInfo - DirInfoBgn);
}
else if (STATUS_NO_MORE_FILES == Result && 0 == FileDesc->DirectoryOffset)
else if (STATUS_NO_MORE_FILES == Result && !FileDesc->DirectoryHasSuchFile)
Result = STATUS_NO_SUCH_FILE;
return Result;
@ -317,8 +319,12 @@ static NTSTATUS FspFsvolQueryDirectoryCopyInPlace(
DestBuf, PDestLen);
if (NT_SUCCESS(Result))
{
if (0 != *PDestLen)
FileDesc->DirectoryHasSuchFile = TRUE;
FileDesc->DirectoryOffset = DirectoryOffset;
else if (STATUS_NO_MORE_FILES == Result && 0 == FileDesc->DirectoryOffset)
}
else if (STATUS_NO_MORE_FILES == Result && !FileDesc->DirectoryHasSuchFile)
Result = STATUS_NO_SUCH_FILE;
return Result;
@ -368,9 +374,15 @@ static NTSTATUS FspFsvolQueryDirectoryRetry(
/* determine where to (re)start */
if (IndexSpecified)
{
FileDesc->DirectoryHasSuchFile = FALSE;
FileDesc->DirectoryOffset = OFFSET_FROM_FILE_INDEX(FileIndex);
}
else if (RestartScan)
{
FileDesc->DirectoryHasSuchFile = FALSE;
FileDesc->DirectoryOffset = 0;
}
/* see if the required information is still in the cache and valid! */
if (FspFileNodeReferenceDirInfo(FileNode, &DirInfoBuffer, &DirInfoSize))
@ -588,7 +600,7 @@ NTSTATUS FspFsvolDirectoryControlComplete(
if (0 == Response->IoStatus.Information)
{
Result = 0 == FileDesc->DirectoryOffset ?
Result = !FileDesc->DirectoryHasSuchFile ?
STATUS_NO_SUCH_FILE : STATUS_NO_MORE_FILES;
FSP_RETURN();
}

1
src/sys/driver.h
View File

@ -835,6 +835,7 @@ typedef struct
UINT64 UserContext2;
BOOLEAN CaseSensitive;
BOOLEAN DeleteOnClose;
BOOLEAN DirectoryHasSuchFile;
UNICODE_STRING DirectoryPattern;
UINT64 DirectoryOffset;
UINT64 DirInfo;