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windows-server-2003/base/fs/rdr2/rdbss/smb.mrx/downlvlo.c

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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
DownLvlO.c
Abstract:
This module implements downlevel opens.
Author:
Joe Linn [JoeLi] 7-March-1995
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
////
//// The Bug check file id for this module
////
//
//#define BugCheckFileId (RDBSS_BUG_CHECK_LOCAL_CREATE)
//
// The debug trace level
//
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, MRxSmbGetFileAttributes)
#pragma alloc_text(PAGE, MRxSmbCoreDeleteForSupercedeOrClose)
#pragma alloc_text(PAGE, MRxSmbCoreCheckPath)
#pragma alloc_text(PAGE, MRxSmbCoreOpen)
#pragma alloc_text(PAGE, MRxSmbSetFileAttributes)
#pragma alloc_text(PAGE, MRxSmbCoreCreateDirectory)
#pragma alloc_text(PAGE, MRxSmbCoreCreate)
#pragma alloc_text(PAGE, MRxSmbCloseAfterCoreCreate)
#pragma alloc_text(PAGE, MRxSmbCoreTruncate)
#pragma alloc_text(PAGE, MRxSmbDownlevelCreate)
#pragma alloc_text(PAGE, MRxSmbFinishGFA)
#pragma alloc_text(PAGE, MRxSmbFinishCoreCreate)
#pragma alloc_text(PAGE, MRxSmbPopulateFileInfoInOE)
#pragma alloc_text(PAGE, MRxSmbFinishCoreOpen)
#pragma alloc_text(PAGE, MRxSmbPseudoOpenTailFromCoreCreateDirectory)
#pragma alloc_text(PAGE, MRxSmbPseudoOpenTailFromFakeGFAResponse)
#pragma alloc_text(PAGE, MRxSmbPseudoOpenTailFromGFAResponse)
#pragma alloc_text(PAGE, MRxSmbConvertSmbTimeToTime)
#pragma alloc_text(PAGE, MRxSmbConvertTimeToSmbTime)
#pragma alloc_text(PAGE, MRxSmbTimeToSecondsSince1970)
#pragma alloc_text(PAGE, MRxSmbSecondsSince1970ToTime)
#pragma alloc_text(PAGE, MRxSmbMapSmbAttributes)
#pragma alloc_text(PAGE, MRxSmbMapDisposition)
#pragma alloc_text(PAGE, MRxSmbUnmapDisposition)
#pragma alloc_text(PAGE, MRxSmbMapDesiredAccess)
#pragma alloc_text(PAGE, MRxSmbMapShareAccess)
#pragma alloc_text(PAGE, MRxSmbMapFileAttributes)
#endif
#define Dbg (DEBUG_TRACE_CREATE)
#pragma warning(error:4101) // Unreferenced local variable
VOID
MRxSmbPopulateFileInfoInOE(
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
USHORT FileAttributes,
ULONG LastWriteTimeInSeconds,
ULONG FileSize
);
PVOID
MRxSmbPopulateFcbInitPacketForCore(void);
NTSTATUS
MRxSmbPseudoOpenTailFromGFAResponse (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange
);
NTSTATUS
MRxSmbPseudoOpenTailFromFakeGFAResponse (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
RX_FILE_TYPE StorageType
);
NTSTATUS
MRxSmbPseudoOpenTailFromCoreCreateDirectory (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
USHORT Attributes
);
//CODE.IMPROVEMENT all of these routines that do a single core operation are to
// be rolled up into a single routine......
// for this reason, we shouldn't worry about the commonality...the more the better!
NTSTATUS
MRxSmbGetFileAttributes(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE
)
/*++
Routine Description:
This routine does a GetFileAttributes and remembers the reponse. This routine also
does the cache for the file information.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb;
RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = NULL;
PMRX_SMB_SRV_OPEN smbSrvOpen = NULL;
PUNICODE_STRING RemainingName = GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBCEDB_SERVER_ENTRY pServerEntry = SmbCeGetExchangeServerEntry(Exchange);
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbSynchronousGetFileAttributes entering.......OE=%08lx\n",OrdinaryExchange));
if (FsRtlDoesNameContainWildCards(RemainingName)) {
Status = RX_MAP_STATUS(OBJECT_NAME_INVALID);
goto FINALLY;
}
if (MRxSmbIsFileNotFoundCached(RxContext)) {
Status = STATUS_OBJECT_NAME_NOT_FOUND;
goto FINALLY;
}
// Try to find the cached file infomation
if (MRxSmbIsFileInfoCacheFound(RxContext,
&OrdinaryExchange->Create.FileInfo,
&Status,
NULL)){
goto FINALLY;
}
// If the file has already been opened a QUERY_INFORMATION2 can be issued while
// QUERY_INFORMATION can only be issued against pseudo opened and not yet
// opened files.
if (capFobx != NULL) {
SrvOpen = capFobx->pSrvOpen;
if (SrvOpen != NULL)
smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
}
StufferState = &OrdinaryExchange->AssociatedStufferState;
if (pServerEntry->Server.Dialect > PCNET1_DIALECT &&
(smbSrvOpen != NULL) &&
(!FlagOn(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_NOT_REALLY_OPEN) &&
!FlagOn(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_DEFERRED_OPEN) &&
(NodeType(capFcb) == RDBSS_NTC_STORAGE_TYPE_FILE))) {
COVERED_CALL(
MRxSmbStartSMBCommand(
StufferState,
SetInitialSMB_ForReuse,
SMB_COM_QUERY_INFORMATION2,
SMB_REQUEST_SIZE(QUERY_INFORMATION2),
NO_EXTRA_DATA,
SMB_BEST_ALIGNMENT(1,0),
RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ GFA before stuffing",StufferState);
MRxSmbStuffSMB (
StufferState,
"0wB!",
// 0 UCHAR WordCount;
smbSrvOpen->Fid, // w _USHORT(Fid);
SMB_WCT_CHECK(1) 0 // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
);
MRxSmbDumpStufferState (700,"SMB w/ GFA after stuffing",StufferState);
} else {
COVERED_CALL(
MRxSmbStartSMBCommand(
StufferState,
SetInitialSMB_ForReuse,
SMB_COM_QUERY_INFORMATION,
SMB_REQUEST_SIZE(QUERY_INFORMATION),
NO_EXTRA_DATA,
SMB_BEST_ALIGNMENT(1,0),
RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ GFA before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (
StufferState,
"0B4!",
// 0 UCHAR WordCount; // Count of parameter words = 0
SMB_WCT_CHECK(0) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
RemainingName
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ GFA after stuffing",StufferState);
}
Status = SmbPseOrdinaryExchange(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_GFA
);
if (NT_SUCCESS(Status)) {
MRxSmbCreateFileInfoCache(RxContext,
&OrdinaryExchange->Create.FileInfo,
pServerEntry,
Status);
} else {
if (Status == STATUS_OBJECT_NAME_NOT_FOUND ||
Status == STATUS_OBJECT_PATH_NOT_FOUND) {
// create the name based file not found cache
MRxSmbCacheFileNotFound(RxContext);
} else {
// invalid the name based file not found cache if other error happens
MRxSmbInvalidateFileNotFoundCache(RxContext);
}
}
FINALLY:
if (NT_SUCCESS(Status)) {
OrdinaryExchange->Create.StorageTypeFromGFA =
OrdinaryExchange->Create.FileInfo.Standard.Directory ?
FileTypeDirectory : FileTypeFile;
}
RxDbgTrace(-1, Dbg, ("MRxSmbSynchronousGetFileAttributes exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCoreDeleteForSupercedeOrClose(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE,
BOOLEAN DeleteDirectory
)
/*++
Routine Description:
This routine does a GetFileAttributes and remembers the reponse.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb;
RxCaptureFobx;
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PMRX_SRV_OPEN SrvOpen = capFobx->pSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreDeleteForSupercede entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
ASSERT( OrdinaryExchange->pPathArgument1 != NULL );
//
if (!DeleteDirectory) {
ULONG SearchAttributes = SMB_FILE_ATTRIBUTE_SYSTEM | SMB_FILE_ATTRIBUTE_HIDDEN; // a la rdr1
COVERED_CALL(MRxSmbStartSMBCommand (StufferState,SetInitialSMB_ForReuse,SMB_COM_DELETE,
SMB_REQUEST_SIZE(DELETE),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ del before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since it's in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
// on the other hand, if it's NT<-->NT we don't do it here anyway
MRxSmbStuffSMB (StufferState,
"0wB4!",
// 0 UCHAR WordCount; // Count of parameter words = 1
SearchAttributes, // w _USHORT( SearchAttributes );
SMB_WCT_CHECK(1) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
OrdinaryExchange->pPathArgument1
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
} else {
COVERED_CALL(MRxSmbStartSMBCommand (StufferState,SetInitialSMB_ForReuse,SMB_COM_DELETE_DIRECTORY,
SMB_REQUEST_SIZE(DELETE_DIRECTORY),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ rmdir before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (StufferState,
"0B4!",
// 0 UCHAR WordCount; // Count of parameter words = 0
SMB_WCT_CHECK(0) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
OrdinaryExchange->pPathArgument1
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
}
MRxSmbDumpStufferState (700,"SMB w/ del/rmdir after stuffing",StufferState);
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_DELETEFORSUPERSEDEORCLOSE
);
if (Status == STATUS_SUCCESS) {
// invalid the name based file info cache
MRxSmbInvalidateFileInfoCache(RxContext);
// Trounce FullDir Cache, since a file has been deleted.
MRxSmbInvalidateFullDirectoryCacheParent(RxContext, FALSE);
MRxSmbInvalidateInternalFileInfoCache(RxContext);
MRxSmbCacheFileNotFound(RxContext);
SetFlag(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_FILE_DELETED);
} else {
RxLog(("Delete File: %x %wZ\n",Status,OrdinaryExchange->pPathArgument1));
SmbLog(LOG,
MRxSmbCoreDeleteForSupercedeOrClose,
LOGULONG(Status)
LOGUSTR(*OrdinaryExchange->pPathArgument1));
}
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCoreDeleteForSupercede exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCoreCheckPath(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE
)
/*++
Routine Description:
This routine does a GetFileAttributes and remembers the reponse.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
FILE_BASIC_INFORMATION FileInfoBasic;
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreCheckPath entering.......OE=%08lx\n",
OrdinaryExchange));
// Try to find the cached file infomation
if (MRxSmbIsBasicFileInfoCacheFound(RxContext,
&FileInfoBasic,
&Status,
OrdinaryExchange->pPathArgument1)){
if (Status == STATUS_SUCCESS) {
if (!(FileInfoBasic.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
Status = STATUS_NOT_A_DIRECTORY;
}
goto FINALLY;
}
}
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
COVERED_CALL(MRxSmbStartSMBCommand
(StufferState,SetInitialSMB_ForReuse,
SMB_COM_CHECK_DIRECTORY,
SMB_REQUEST_SIZE(CHECK_DIRECTORY),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),
RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ chkdir before stuffing",StufferState);
//CODE.IMPROVEMENT many of these single argument guys can be rooled up
MRxSmbStuffSMB (StufferState,
"0B4!",
// UCHAR WordCount; // Count of parameter words = 0
SMB_WCT_CHECK(0)
// B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
OrdinaryExchange->pPathArgument1
// 4 UCHAR BufferFormat; // 0x04 -- ASCII
// UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ chkdir after stuffing",StufferState);
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_CORECHECKDIRECTORY
);
FINALLY:
RxDbgTrace(-1, Dbg,
("MRxSmbCoreCheckPath exiting.......OE=%08lx, st=%08lx\n",
OrdinaryExchange,Status)
);
return(Status);
}
NTSTATUS
MRxSmbCoreOpen(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE,
ULONG OpenShareMode,
ULONG Attribute
)
/*++
Routine Description:
This routine does a core open.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status = STATUS_SUCCESS;
RxCaptureFcb; //RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PUNICODE_STRING RemainingName = GET_ALREADY_PREFIXED_NAME(SrvOpen,capFcb);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBCE_SERVER pServer = SmbCeGetExchangeServer(Exchange);
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreOpen entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN );
ASSERT( RxContext->MajorFunction == IRP_MJ_CREATE );
COVERED_CALL(MRxSmbStartSMBCommand (StufferState,SetInitialSMB_ForReuse,SMB_COM_OPEN,
SMB_REQUEST_SIZE(OPEN),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ coreopen before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (StufferState,
"0wwB4!",
// 0 UCHAR WordCount; // Count of parameter words = 2
OpenShareMode, // w _USHORT( DesiredAccess ); // Mode - read/write/share
Attribute, // w _USHORT( SearchAttributes );
SMB_WCT_CHECK(2) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
RemainingName
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ coreopen after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_COREOPEN
);
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCoreOpen exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbSetFileAttributes(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE,
ULONG SmbAttributes
)
/*++
Routine Description:
This routine does a core create directory.....
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status = STATUS_SUCCESS;
RxCaptureFcb;
RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = NULL;
PMRX_SMB_SRV_OPEN smbSrvOpen = NULL;
PUNICODE_STRING RemainingName = GET_ALREADY_PREFIXED_NAME_FROM_CONTEXT(RxContext);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
ULONG LastWriteTime = 0;
ULONG FileAttributes = 0;
PLARGE_INTEGER pCreationTime = NULL;
PLARGE_INTEGER pLastWriteTime = NULL;
PLARGE_INTEGER pLastAccessTime = NULL;
SMB_TIME SmbCreationTime;
SMB_DATE SmbCreationDate;
SMB_TIME SmbLastWriteTime;
SMB_DATE SmbLastWriteDate;
SMB_TIME SmbLastAccessTime;
SMB_DATE SmbLastAccessDate;
PSMBSTUFFER_BUFFER_STATE StufferState;
BOOLEAN TimeSpecified = FALSE;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbSetFileAttributes entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
if (capFobx != NULL) {
SrvOpen = capFobx->pSrvOpen;
if (SrvOpen != NULL)
smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
}
SmbCreationTime.Ushort = 0;
SmbCreationDate.Ushort = 0;
SmbLastWriteTime.Ushort = 0;
SmbLastWriteDate.Ushort = 0;
SmbLastAccessTime.Ushort = 0;
SmbLastAccessDate.Ushort = 0;
if (RxContext->MajorFunction == IRP_MJ_SET_INFORMATION) {
BOOLEAN GoodTime;
FileAttributes = ((PFILE_BASIC_INFORMATION)OrdinaryExchange->Info.Buffer)->FileAttributes;
pCreationTime = &((PFILE_BASIC_INFORMATION)OrdinaryExchange->Info.Buffer)->CreationTime;
pLastWriteTime = &((PFILE_BASIC_INFORMATION)OrdinaryExchange->Info.Buffer)->LastWriteTime;
pLastAccessTime = &((PFILE_BASIC_INFORMATION)OrdinaryExchange->Info.Buffer)->LastAccessTime;
if (pLastWriteTime->QuadPart != 0) {
GoodTime = MRxSmbTimeToSecondsSince1970(
pLastWriteTime,
SmbCeGetExchangeServer(OrdinaryExchange),
&LastWriteTime);
if (!GoodTime) {
Status = STATUS_INVALID_PARAMETER;
goto FINALLY;
}
GoodTime = MRxSmbConvertTimeToSmbTime(pLastWriteTime,
(PSMB_EXCHANGE)OrdinaryExchange,
&SmbLastWriteTime,
&SmbLastWriteDate);
if (!GoodTime) {
Status = STATUS_INVALID_PARAMETER;
goto FINALLY;
}
TimeSpecified = TRUE;
}
if (pLastAccessTime->QuadPart != 0) {
GoodTime = MRxSmbConvertTimeToSmbTime(pLastAccessTime,
(PSMB_EXCHANGE)OrdinaryExchange,
&SmbLastAccessTime,
&SmbLastAccessDate);
if (!GoodTime) {
Status = STATUS_INVALID_PARAMETER;
goto FINALLY;
}
TimeSpecified = TRUE;
}
if (pCreationTime->QuadPart != 0) {
GoodTime = MRxSmbConvertTimeToSmbTime(pCreationTime,
(PSMB_EXCHANGE)OrdinaryExchange,
&SmbCreationTime,
&SmbCreationDate);
if (!GoodTime) {
Status = STATUS_INVALID_PARAMETER;
goto FINALLY;
}
TimeSpecified = TRUE;
}
if (!TimeSpecified && (FileAttributes == 0))
{
// caller didn't specify anything worth doing. Return success
// 442486
Status = STATUS_SUCCESS;
goto FINALLY;
}
}
if (smbSrvOpen == NULL ||
FileAttributes != 0 ||
RxContext->MajorFunction != IRP_MJ_SET_INFORMATION ||
FlagOn(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_DEFERRED_OPEN) ||
FlagOn(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_NOT_REALLY_OPEN) ||
(pLastWriteTime->QuadPart == 0 && pLastAccessTime->QuadPart == 0 && pCreationTime->QuadPart == 0)) {
COVERED_CALL(MRxSmbStartSMBCommand (StufferState,SetInitialSMB_ForReuse,
SMB_COM_SET_INFORMATION,
SMB_REQUEST_SIZE(SET_INFORMATION),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC')));
MRxSmbDumpStufferState (1100,"SMB w/ sfa before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (StufferState,
"0wdwwwwwB4!",
// 0 UCHAR WordCount; // Count of parameter words = 8
SmbAttributes, // w _USHORT( FileAttributes );
LastWriteTime, // d _ULONG( LastWriteTimeInSeconds );
0,0,0,0,0, // 5*w _USHORT( Reserved )[5]; // Reserved (must be 0)
SMB_WCT_CHECK(8) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
RemainingName
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ sfa after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_SFA);
} else {
COVERED_CALL(MRxSmbStartSMBCommand (StufferState,SetInitialSMB_ForReuse,
SMB_COM_SET_INFORMATION2,
SMB_REQUEST_SIZE(SET_INFORMATION2),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC')));
MRxSmbDumpStufferState (1100,"SMB w/ sfa 2 before stuffing",StufferState);
MRxSmbStuffSMB (StufferState,
"0wwwwwwwB!",
// 0 UCHAR WordCount; // Count of parameter words = 8
smbSrvOpen->Fid, // w _USHORT( Fid ); // File handle
SmbCreationDate.Ushort, // w SMB_TIME CreationDate;
SmbCreationTime.Ushort, // w SMB_TIME CreationTime;
SmbLastAccessDate.Ushort, // w SMB_TIME LastAccessDate;
SmbLastAccessTime.Ushort, // w SMB_TIME LastAccessTime;
SmbLastWriteDate.Ushort, // w SMB_TIME LastWriteDate;
SmbLastWriteTime.Ushort, // w SMB_TIME LastWriteTime;
SMB_WCT_CHECK(7) 0 // _USHORT( ByteCount ); // Count of data bytes; min = 0
// UCHAR Buffer[1]; // Reserved buffer
);
MRxSmbDumpStufferState (700,"SMB w/ sfa 2 after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_SFA2);
}
if (Status == STATUS_SUCCESS) {
if (RxContext->MajorFunction != IRP_MJ_SET_INFORMATION) {
FileAttributes = MRxSmbMapSmbAttributes((USHORT)SmbAttributes);
}
MRxSmbUpdateBasicFileInfoCache(RxContext,
FileAttributes,
pLastWriteTime);
MRxSmbUpdateStandardFileInfoCache(RxContext,
NULL,
(BOOLEAN)(FileAttributes & FILE_ATTRIBUTE_DIRECTORY));
MRxSmbInvalidateFileNotFoundCache(RxContext);
MRxSmbInvalidateFullDirectoryCacheParent(RxContext, FALSE);
} else {
if (Status == STATUS_OBJECT_NAME_NOT_FOUND ||
Status == STATUS_OBJECT_PATH_NOT_FOUND) {
// create the name based file not found cache
MRxSmbCacheFileNotFound(RxContext);
} else {
// invalid the name based file not found cache if other error happens
MRxSmbInvalidateFileNotFoundCache(RxContext);
}
// invalid the name based file info cache
MRxSmbInvalidateFileInfoCache(RxContext);
// Don't have to touch FullDir Cache, since we encountered Error.
}
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbSFAAfterCreateDirectory exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCoreCreateDirectory(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE
)
/*++
Routine Description:
This routine does a core create directory.....
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb; //RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PUNICODE_STRING RemainingName = GET_ALREADY_PREFIXED_NAME(SrvOpen,capFcb);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreCreateDirectory entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN );
ASSERT( RxContext->MajorFunction == IRP_MJ_CREATE );
COVERED_CALL(MRxSmbStartSMBCommand (StufferState, SetInitialSMB_ForReuse,
SMB_COM_CREATE_DIRECTORY,
SMB_REQUEST_SIZE(CREATE_DIRECTORY),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ corecreatedir before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (StufferState,
"0B4!",
// 0 UCHAR WordCount; // Count of parameter words = 0
SMB_WCT_CHECK(0) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
RemainingName
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ corecreatedir after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_CORECREATEDIRECTORY
);
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCoreCreateDirectory exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCoreCreate(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE,
ULONG Attribute,
BOOLEAN CreateNew
)
/*++
Routine Description:
This routine does a core create.....if the flag is set we use create new.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb; //RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PUNICODE_STRING RemainingName = GET_ALREADY_PREFIXED_NAME(SrvOpen,capFcb);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreCreate entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN );
ASSERT( RxContext->MajorFunction == IRP_MJ_CREATE );
COVERED_CALL(MRxSmbStartSMBCommand (StufferState, SetInitialSMB_ForReuse,
(UCHAR)(CreateNew?SMB_COM_CREATE_NEW:SMB_COM_CREATE),
SMB_REQUEST_SIZE(CREATE),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ coreopen before stuffing",StufferState);
//CODE.IMPROVEMENT if this is truly core, we have to copy the name since its in UNICODE
// otherwise, we don't need to copy the name here, we can just Mdl like in writes
MRxSmbStuffSMB (StufferState,
"0wdB4!",
// 0 UCHAR WordCount; // Count of parameter words = 3
Attribute, // w _USHORT( FileAttributes ); // New file attributes
0, // d _ULONG( CreationTimeInSeconds ); // Creation time
SMB_WCT_CHECK(3) // B _USHORT( ByteCount ); // Count of data bytes; min = 2
// UCHAR Buffer[1]; // Buffer containing:
RemainingName
// 4 //UCHAR BufferFormat; // 0x04 -- ASCII
// //UCHAR FileName[]; // File name
);
MRxSmbDumpStufferState (700,"SMB w/ corecreate after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_CORECREATE
);
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCoreCreate exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCloseAfterCoreCreate(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE
)
/*++
Routine Description:
This routine does a close.....
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb; RxCaptureFobx;
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCloseAfterCoreCreate entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
COVERED_CALL(MRxSmbStartSMBCommand (StufferState, SetInitialSMB_ForReuse,
SMB_COM_CLOSE,
SMB_REQUEST_SIZE(CLOSE),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
);
MRxSmbDumpStufferState (1100,"SMB w/ closeaftercorecreate before stuffing",StufferState);
MRxSmbStuffSMB (StufferState,
"0wdB!",
// 0 UCHAR WordCount; // Count of parameter words = 3
// w _USHORT( Fid ); // File handle
OrdinaryExchange->Create.FidReturnedFromCreate,
0, // d _ULONG( LastWriteTimeInSeconds ); // Time of last write, low and high
SMB_WCT_CHECK(3) 0 // B _USHORT( ByteCount ); // Count of data bytes = 0
// UCHAR Buffer[1]; // empty
);
MRxSmbDumpStufferState (700,"SMB w/ closeaftercorecreate after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_CLOSEAFTERCORECREATE
);
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCloseAfterCoreCreate exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbCoreTruncate(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE,
ULONG Fid,
ULONG FileTruncationPoint
)
/*++
Routine Description:
This routine does a truncate to implement FILE_OVERWRITE and FILE_OVERWRITE_IF.....
it is also used in the "extend-for-cached-write" path.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
--*/
{
NTSTATUS Status;
RxCaptureFcb; RxCaptureFobx;
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBSTUFFER_BUFFER_STATE StufferState;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbCoreTruncate entering.......OE=%08lx\n",OrdinaryExchange));
StufferState = &OrdinaryExchange->AssociatedStufferState;
ASSERT( StufferState );
COVERED_CALL(MRxSmbStartSMBCommand (StufferState, SetInitialSMB_ForReuse,
SMB_COM_WRITE,
SMB_REQUEST_SIZE(WRITE),
NO_EXTRA_DATA,SMB_BEST_ALIGNMENT(1,0),RESPONSE_HEADER_SIZE_NOT_SPECIFIED,
0,0,0,0 STUFFERTRACE(Dbg,'FC'))
)
MRxSmbDumpStufferState (1100,"SMB w/ coretruncate before stuffing",StufferState);
MRxSmbStuffSMB (StufferState,
"0wwdwByw!",
// 0 UCHAR WordCount; // Count of parameter words = 5
Fid, // w _USHORT( Fid ); // File handle
0, // w _USHORT( Count ); // Number of bytes to be written
FileTruncationPoint, // d _ULONG( Offset ); // Offset in file to begin write
0, // w _USHORT( Remaining ); // Bytes remaining to satisfy request
SMB_WCT_CHECK(5) // B _USHORT( ByteCount ); // Count of data bytes
// //UCHAR Buffer[1]; // Buffer containing:
0x01, // y UCHAR BufferFormat; // 0x01 -- Data block
0 // w _USHORT( DataLength ); // Length of data
// ULONG Buffer[1]; // Data
);
MRxSmbDumpStufferState (700,"SMB w/ coretruncate after stuffing",StufferState);
//ASSERT(!"Now it's stuffed");
Status = SmbPseOrdinaryExchange(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
SMBPSE_OETYPE_CORETRUNCATE
);
if (Status == STATUS_SUCCESS) {
LARGE_INTEGER FileSize;
FileSize.HighPart = 0;
FileSize.LowPart = FileTruncationPoint;
MRxSmbUpdateFileInfoCacheFileSize(RxContext, &FileSize);
} else {
if (Status == STATUS_OBJECT_NAME_NOT_FOUND ||
Status == STATUS_OBJECT_PATH_NOT_FOUND) {
// create the name based file not found cache
MRxSmbCacheFileNotFound(RxContext);
} else {
// invalid the name based file not found cache if other error happens
MRxSmbInvalidateFileNotFoundCache(RxContext);
}
// invalid the name based file info cache
MRxSmbInvalidateFileInfoCache(RxContext);
// Don't have to touch FullDir Cache, since Error was encountered
}
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbCoreTruncate exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbDownlevelCreate(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENT_SIGNATURE
)
/*++
Routine Description:
This routine implements downlevel creates.
Arguments:
OrdinaryExchange - an exchange to be used for conducting this open.
Return Value:
RXSTATUS - The return status for the operation
Notes:
For core, in particular, this is pretty painful because a different smb must be used
for different dispositions. In addition, we cannot really open a directory.
By in large, we will follow a strategy similar to rdr1. If the openmode maps into something that
a downlevel server won't understand then we don't really open the file.....we just do a GFA to ensure
that it's there and hope that we can do path-based ops for the duration.
--*/
{
NTSTATUS Status = RX_MAP_STATUS(NOT_IMPLEMENTED);
RxCaptureFcb; //RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
PUNICODE_STRING PathName = GET_ALREADY_PREFIXED_NAME(SrvOpen,capFcb);
PNT_CREATE_PARAMETERS cp = &RxContext->Create.NtCreateParameters;
ULONG CreateOptions = cp->CreateOptions;
ULONG FileAttributes = cp->FileAttributes;
ACCESS_MASK DesiredAccess = cp->DesiredAccess;
USHORT ShareAccess = (USHORT)(cp->ShareAccess);
ULONG Disposition = cp->Disposition;
USHORT mappedDisposition = MRxSmbMapDisposition(Disposition);
USHORT mappedSharingMode = MRxSmbMapShareAccess(ShareAccess);
USHORT mappedAttributes = MRxSmbMapFileAttributes(FileAttributes);
USHORT mappedOpenMode = MRxSmbMapDesiredAccess(DesiredAccess);
LARGE_INTEGER AllocationSize = cp->AllocationSize;
PMRXSMB_RX_CONTEXT pMRxSmbContext = MRxSmbGetMinirdrContext(RxContext);
PSMB_EXCHANGE Exchange = (PSMB_EXCHANGE) OrdinaryExchange;
PSMBCE_SERVER pServer = SmbCeGetExchangeServer(Exchange);
PSMBSTUFFER_BUFFER_STATE StufferState;
BOOLEAN MustBeAFile = (MustBeFile(CreateOptions)!=0);
BOOLEAN MustBeADirectory = (MustBeDirectory(CreateOptions)!=0)
|| BooleanFlagOn(RxContext->Create.Flags,RX_CONTEXT_CREATE_FLAG_STRIPPED_TRAILING_BACKSLASH);
BOOLEAN ItsADirectory = FALSE;
BOOLEAN ItsTheShareRoot = FALSE;
PAGED_CODE();
// Down level protocols don't have the execute mode.
if (mappedOpenMode == (USHORT)SMB_DA_ACCESS_EXECUTE)
mappedOpenMode = (USHORT)SMB_DA_ACCESS_READ;
RxDbgTrace(+1, Dbg, ("MRxSmbDownlevelCreate entering.......OE=%08lx\n",OrdinaryExchange));
RxDbgTrace( 0, Dbg, ("mapAtt,Shr,Disp,OM %04lx,%04lx,%04lx,%04lx\n",
mappedAttributes,mappedSharingMode,mappedDisposition,mappedOpenMode));
SmbPseOEAssertConsistentLinkageFromOE("Downlevel Create:");
StufferState = &OrdinaryExchange->AssociatedStufferState;
if (OrdinaryExchange->Create.CreateWithEasSidsOrLongName) {
Status = RX_MAP_STATUS(NOT_SUPPORTED);
goto FINALLY;
}
if (AllocationSize.HighPart != 0) {
//CODE.IMPROVEMENT why is the above a not-supported while this is a invalid-param??? joejoe
Status = RX_MAP_STATUS(INVALID_PARAMETER);
goto FINALLY;
}
ASSERT( NodeType(SrvOpen) == RDBSS_NTC_SRVOPEN );
OrdinaryExchange->Create.smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
OrdinaryExchange->pPathArgument1 = PathName;
//
// we know that the root a share exists and that it's a directory....the catch is that GetFileAttributes
// will return a NO_SUCH_FILE error for the root if it's really a root on the server. record this and use it
// to our advantage later.
if ((PathName->Length == 0)
|| ((PathName->Length == sizeof(WCHAR)) && (PathName->Buffer[0] == OBJ_NAME_PATH_SEPARATOR)) ) {
//if must be a file, it's an error.........
if (MustBeAFile) {
Status = RX_MAP_STATUS(FILE_IS_A_DIRECTORY);
goto FINALLY;
}
//
//if it's the right kind of open, i can just finish up now. these opens are common for GetFSInfo
if ((Disposition == FILE_OPEN) || (Disposition == FILE_OPEN_IF)) {
Status = MRxSmbPseudoOpenTailFromFakeGFAResponse ( OrdinaryExchange, FileTypeDirectory );
goto FINALLY;
}
MustBeADirectory = TRUE; // we know it's a directory!
ItsTheShareRoot = TRUE;
}
//// if all the user wants is attributes and it's a FILE_OPEN, don't do the open now....
//// rather, we'll send pathbased ops later (or do a deferred open if necessary)...
if (Disposition == FILE_OPEN &&
(MustBeADirectory ||
!(cp->DesiredAccess & ~(SYNCHRONIZE | DELETE | FILE_READ_ATTRIBUTES)))) {
Status = MRxSmbPseudoOpenTailFromFakeGFAResponse(OrdinaryExchange, MustBeADirectory?FileTypeDirectory:FileTypeFile);
if (Status == STATUS_SUCCESS) {
Status = MRxSmbQueryFileInformationFromPseudoOpen(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
FileBasicInformation);
if (Status == STATUS_SUCCESS) {
if (MustBeADirectory &&
!OrdinaryExchange->Create.FileInfo.Standard.Directory) {
Status = STATUS_NOT_A_DIRECTORY;
}
if (MustBeAFile &&
OrdinaryExchange->Create.FileInfo.Standard.Directory) {
Status = STATUS_FILE_IS_A_DIRECTORY;
}
}
if (Status != STATUS_SUCCESS) {
RxFreePool(smbSrvOpen->DeferredOpenContext);
smbSrvOpen->DeferredOpenContext = NULL;
}
}
goto FINALLY;
}
if ( (mappedOpenMode == ((USHORT)-1)) ||
(Disposition == FILE_SUPERSEDE) ||
(!MustBeAFile)
) {
//
// go find out what's there.......
Status = MRxSmbGetFileAttributes(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS);
if (Status == STATUS_SUCCESS &&
MustBeADirectory &&
!OrdinaryExchange->Create.FileInfo.Standard.Directory) {
Status = STATUS_NOT_A_DIRECTORY;
goto FINALLY;
}
RxDbgTrace(0, Dbg, ("MRxSmbDownlevelCreate GFAorCPstatus=%08lx\n",Status));
if (NT_SUCCESS(Status)) {
ULONG Attributes = SmbGetUshort(&OrdinaryExchange->Create.FileInfo.Basic.FileAttributes);
ItsADirectory = BooleanFlagOn(Attributes,SMB_FILE_ATTRIBUTE_DIRECTORY);
RxDbgTrace(0, Dbg, ("MRxSmbDownlevelCreate attributes=%08lx\n",Attributes));
if ((Disposition==FILE_CREATE)) {
Status = STATUS_OBJECT_NAME_COLLISION;
goto FINALLY;
}
if (MustBeADirectory && !ItsADirectory && (Disposition!=FILE_SUPERSEDE)) {
if (Disposition == FILE_OPEN) {
// This fix is required for the DFS driver which seems to handle
// STATUS_OBJECT_TYPE_MISMATCH in a special way.
// DFS should be fixed.
Status = STATUS_OBJECT_NAME_COLLISION;
} else {
Status = STATUS_OBJECT_TYPE_MISMATCH;
}
goto FINALLY;
}
if (MustBeAFile && ItsADirectory && (Disposition!=FILE_SUPERSEDE)) {
if (Disposition == FILE_OPEN) {
// This fix is required for the DFS driver which seems to handle
// STATUS_OBJECT_TYPE_MISMATCH in a special way.
// DFS should be fixed.
Status = STATUS_FILE_IS_A_DIRECTORY;
} else {
Status = STATUS_OBJECT_TYPE_MISMATCH;
}
goto FINALLY;
}
//if (!MustBeAFile && ItsADirectory && (Disposition==FILE_OPEN)){
if (Disposition==FILE_OPEN || Disposition==FILE_OPEN_IF){
//we're done except to finish AND to set the flags in the srvopen
MRxSmbPseudoOpenTailFromGFAResponse ( OrdinaryExchange );
goto FINALLY;
}
} else if ( (Status!=STATUS_NO_SUCH_FILE)
&& (Status!=STATUS_OBJECT_PATH_NOT_FOUND) ) {
goto FINALLY;
} else if ((Disposition==FILE_CREATE)
|| (Disposition==FILE_OPEN_IF)
|| (Disposition==FILE_OVERWRITE_IF)
|| (Disposition==FILE_SUPERSEDE)) {
//CODE.IMPROVEMENT doing this with four compares is ineficient; we should have a
// table or something
NOTHING;
} else if (ItsTheShareRoot) {
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
//here we have run into a true root....so we can't get attributes. fill in a fake
//response and finish. also, flip the bit that says we can't gfa this guy.
Status = MRxSmbPseudoOpenTailFromFakeGFAResponse ( OrdinaryExchange, FileTypeDirectory );
smbSrvOpen->Flags |= SMB_SRVOPEN_FLAG_CANT_GETATTRIBS;
goto FINALLY;
} else {
goto FINALLY;
}
}
SmbCeResetExchange(&OrdinaryExchange->Exchange); //must reset!
if (NT_SUCCESS(Status) &&(Disposition == FILE_SUPERSEDE)) {
//
//we have to get rid of the existing entity...using a delete or a rmdir as appropriate
Status = MRxSmbCoreDeleteForSupercedeOrClose(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
OrdinaryExchange->Create.FileInfo.Standard.Directory
);
if (!NT_SUCCESS(Status)) {
RxDbgTrace(0, Dbg, ("MRxSmbDownlevelCreate could notsupersede st=%08lx\n",Status));
goto FINALLY;
}
SmbCeResetExchange(&OrdinaryExchange->Exchange); //must reset!
//CODE.IMPROVEMENT there should be some way
//that is more automatic than this
}
if (MustBeADirectory || (ItsADirectory &&(Disposition == FILE_SUPERSEDE)) ) {
ASSERT (Disposition!=FILE_OPEN);
Status = MRxSmbCoreCreateDirectory(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS);
if (!NT_SUCCESS(Status)) {
RxDbgTrace(0, Dbg, ("MRxSmbDownlevelCreate couldn't mkdir st=%08lx\n",Status));
goto FINALLY;
}
if ((mappedAttributes &
(SMB_FILE_ATTRIBUTE_READONLY |
SMB_FILE_ATTRIBUTE_HIDDEN |
SMB_FILE_ATTRIBUTE_SYSTEM |
SMB_FILE_ATTRIBUTE_ARCHIVE)) != 0) {
//
//we have to set the attributes
Status = MRxSmbSetFileAttributes(
SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
mappedAttributes);
if (!NT_SUCCESS(Status)) {
RxDbgTrace(0, Dbg, ("MRxSmbDownlevelCreate couldn't sfa st=%08lx\n",Status));
}
}
if (Status == STATUS_SUCCESS) {
Status = MRxSmbPseudoOpenTailFromCoreCreateDirectory( OrdinaryExchange, mappedAttributes );
}
goto FINALLY;
}
//if ( (mappedOpenMode != -1) && !MustBeADirectory) {
//no pseudoOpens yet
if ( TRUE ) {
ULONG workingDisposition = Disposition;
ULONG iterationcount;
BOOLEAN MayNeedATruncate = FALSE;
//
// we use the disposition as a state and case out.....some are hard and some are easy
// for example, if it's CREATE then we use the CREATE_NEW to create the file but
// the resulting open is no good so we close it and open it again using the
// open. for OPEN_IF we assume that the file will be there
// and drop into create if it's not.
for (iterationcount=0;;iterationcount++) {
switch (workingDisposition) {
case FILE_OVERWRITE:
case FILE_OVERWRITE_IF:
MayNeedATruncate = TRUE;
//lack of break intentional
case FILE_OPEN_IF:
case FILE_OPEN:
Status = MRxSmbCoreOpen(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
mappedOpenMode|mappedSharingMode,
mappedAttributes);
//if (Status==RxStatus(NO_SUCH_FILE)) {
// DbgPrint("%08lx %08lx %08lx\n",Status,workingDisposition,iterationcount);
// DbgBreakPoint();
//}
if (!((workingDisposition == FILE_OPEN_IF) || (workingDisposition == FILE_OVERWRITE_IF))
|| (Status!=RX_MAP_STATUS(NO_SUCH_FILE))
|| (iterationcount>6)
)break;
SmbCeResetExchange(&OrdinaryExchange->Exchange); //must reset!
case FILE_SUPERSEDE:
case FILE_CREATE:
Status = MRxSmbCoreCreate(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
mappedAttributes,TRUE); //(workingDisposition==FILE_CREATE));
if (!NT_SUCCESS(Status)) {
RxDbgTrace(-1, Dbg, ("MRxSmbDownlevelCreate exiting.......createnew failed st=%08lx\n",Status));
break;
}
//now, we have a network handle. BUT, it's a compatibility-mode open. since we don't want that we
// need to close and reopen with the parameters specified. there is a window here! what can i do??
Status = MRxSmbCloseAfterCoreCreate(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS);
if (!NT_SUCCESS(Status)) {
RxDbgTrace(-1, Dbg, ("MRxSmbDownlevelCreate exiting.......closeaftercreatenew failed st=%08lx\n",Status));
break;
}
workingDisposition = FILE_OPEN_IF;
continue; // this wraps back to the switch with a new disposition
//break;
//case FILE_SUPERSEDE:
// Status = RxStatus(NOT_SUPPORTED);
// break;
default :
ASSERT(!"Bad Disposition");
Status = RX_MAP_STATUS(INVALID_PARAMETER);
}
break; //exit the loop
}
if (!NT_SUCCESS(Status))goto FINALLY;
//we may need a truncate....this is different from rdr1.
if (MayNeedATruncate
&& !OrdinaryExchange->Create.FileWasCreated
&& (OrdinaryExchange->Create.FileSizeReturnedFromOpen!=0) ) {
Status = MRxSmbCoreTruncate(SMBPSE_ORDINARY_EXCHANGE_ARGUMENTS,
OrdinaryExchange->Create.FidReturnedFromOpen,
0
);
}
goto FINALLY;
}
FINALLY:
RxDbgTrace(-1, Dbg, ("MRxSmbDownlevelCreate exiting.......OE=%08lx, st=%08lx\n",OrdinaryExchange,Status));
return(Status);
}
NTSTATUS
MRxSmbFinishGFA (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
PBYTE Response
)
/*++
Routine Description:
This routine copies the response to the GetFileAttributes SMB. But, it must be called synchronously.
Arguments:
OrdinaryExchange - the exchange instance
Response - the response
Return Value:
RXSTATUS - The return status for the operation
Notes:
what we do here is to put the data into the ordinary exchange...it's locked down do
we could do this at DPC level
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
PFILE_BASIC_INFORMATION BasicInformation = &OrdinaryExchange->Create.FileInfo.Basic;
PFILE_STANDARD_INFORMATION StandardInformation = &OrdinaryExchange->Create.FileInfo.Standard;
PSMB_PARAMS pSmbParams = (PSMB_PARAMS)Response;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbFinishGFA\n", 0 ));
SmbPseOEAssertConsistentLinkageFromOE("MRxSmbFinishGFA:");
if (pSmbParams->WordCount == 10) {
PRESP_QUERY_INFORMATION pQueryInformationResponse;
if (OrdinaryExchange->BytesAvailableCopy < sizeof(SMB_HEADER)+FIELD_OFFSET(RESP_QUERY_INFORMATION, Buffer)) {
return STATUS_INVALID_NETWORK_RESPONSE;
}
pQueryInformationResponse = (PRESP_QUERY_INFORMATION)Response;
//what we do here is to put the data into the ordinary exchange...it's locked down do
//we wcould do this at DPC level
MRxSmbPopulateFileInfoInOE(
OrdinaryExchange,
SmbGetUshort(&pQueryInformationResponse->FileAttributes),
SmbGetUlong(&pQueryInformationResponse->LastWriteTimeInSeconds),
SmbGetUlong(&pQueryInformationResponse->FileSize)
);
} else if (pSmbParams->WordCount == 11) {
PRESP_QUERY_INFORMATION2 pQueryInformation2Response;
SMB_TIME LastWriteSmbTime;
SMB_DATE LastWriteSmbDate;
LARGE_INTEGER LastWriteTime;
ULONG LastWriteTimeInSeconds;
if (OrdinaryExchange->BytesAvailableCopy < sizeof(SMB_HEADER)+FIELD_OFFSET(RESP_QUERY_INFORMATION2, Buffer)) {
return STATUS_INVALID_NETWORK_RESPONSE;
}
pQueryInformation2Response = (PRESP_QUERY_INFORMATION2)Response;
RtlCopyMemory(
&LastWriteSmbTime,
&pQueryInformation2Response->LastWriteTime,
sizeof(SMB_TIME));
RtlCopyMemory(
&LastWriteSmbDate,
&pQueryInformation2Response->LastWriteDate,
sizeof(SMB_DATE));
LastWriteTime = MRxSmbConvertSmbTimeToTime(NULL,LastWriteSmbTime,LastWriteSmbDate);
MRxSmbTimeToSecondsSince1970(
&LastWriteTime,
NULL,
&LastWriteTimeInSeconds);
MRxSmbPopulateFileInfoInOE(
OrdinaryExchange,
SmbGetUshort(&pQueryInformation2Response->FileAttributes),
LastWriteTimeInSeconds,
SmbGetUlong(&pQueryInformation2Response->FileDataSize)
);
}
RxDbgTrace(-1, Dbg, ("MRxSmbFinishGFA returning %08lx\n", Status ));
return Status;
}
//CODE.IMPROVEMENT shouldn't this be in a .h file.....
NTSTATUS
MRxSmbCreateFileSuccessTail (
PRX_CONTEXT RxContext,
PBOOLEAN MustRegainExclusiveResource,
SMBFCB_HOLDING_STATE *SmbFcbHoldingState,
RX_FILE_TYPE StorageType,
SMB_FILE_ID Fid,
ULONG ServerVersion,
UCHAR OplockLevel,
ULONG CreateAction,
PSMBPSE_FILEINFO_BUNDLE FileInfo
);
NTSTATUS
MRxSmbFinishCoreCreate (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
PRESP_CREATE Response
)
/*++
Routine Description:
This routine copies the fid from a core create response. it does not finish the fcb......if a compatibility
mode open is acceptable then it could.
Arguments:
OrdinaryExchange - the exchange instance
Response - the response
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbFinishCoreCreate\n", 0 ));
SmbPseOEAssertConsistentLinkageFromOE("MRxSmbFinishCoreCreate:");
if (Response->WordCount != 1 ||
SmbGetUshort(&Response->ByteCount) != 0) {
Status = STATUS_INVALID_NETWORK_RESPONSE;
OrdinaryExchange->Status = STATUS_INVALID_NETWORK_RESPONSE;
} else {
OrdinaryExchange->Create.FidReturnedFromCreate = SmbGetUshort(&Response->Fid);
OrdinaryExchange->Create.FileWasCreated = TRUE;
//notice that we didn't finish here! we should IFF a compatibilty-mode open is okay
}
RxDbgTrace(-1, Dbg, ("MRxSmbFinishCoreCreate returning %08lx\n", Status ));
return Status;
}
#define JUST_USE_THE_STUFF_IN_THE_OE (0xfbad)
VOID
MRxSmbPopulateFileInfoInOE(
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
USHORT FileAttributes,
ULONG LastWriteTimeInSeconds,
ULONG FileSize
)
{
PFILE_BASIC_INFORMATION BasicInformation = &OrdinaryExchange->Create.FileInfo.Basic;
PFILE_STANDARD_INFORMATION StandardInformation = &OrdinaryExchange->Create.FileInfo.Standard;
BasicInformation->FileAttributes = MRxSmbMapSmbAttributes(FileAttributes);
StandardInformation->NumberOfLinks = 1;
BasicInformation->CreationTime.QuadPart = 0;
BasicInformation->LastAccessTime.QuadPart = 0;
MRxSmbSecondsSince1970ToTime(LastWriteTimeInSeconds,
SmbCeGetExchangeServer(OrdinaryExchange),
&BasicInformation->LastWriteTime);
BasicInformation->ChangeTime.QuadPart = 0;
StandardInformation->AllocationSize.QuadPart = FileSize; //rdr1 actually rounds up based of svr disk attribs
StandardInformation->EndOfFile.QuadPart = FileSize;
StandardInformation->Directory = BooleanFlagOn(BasicInformation->FileAttributes,FILE_ATTRIBUTE_DIRECTORY);
}
NTSTATUS
MRxSmbFinishCoreOpen (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
PRESP_OPEN Response
)
/*++
Routine Description:
This routine finishes a core open.
Arguments:
OrdinaryExchange - the exchange instance
Response - the response
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
PRX_CONTEXT RxContext = OrdinaryExchange->RxContext;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
PSMBPSE_FILEINFO_BUNDLE pFileInfo = &smbSrvOpen->FileInfo;
RX_FILE_TYPE StorageType;
SMB_FILE_ID Fid;
ULONG CreateAction;
ULONG FileSize;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbFinishCoreOpen\n", 0 ));
SmbPseOEAssertConsistentLinkageFromOE("MRxSmbFinishCoreOpen:");
if (Response->WordCount != 7 ||
SmbGetUshort(&Response->ByteCount) != 0) {
Status = STATUS_INVALID_NETWORK_RESPONSE;
OrdinaryExchange->Status = STATUS_INVALID_NETWORK_RESPONSE;
goto FINALLY;
}
if (OrdinaryExchange->BytesAvailableCopy < sizeof(SMB_HEADER)+FIELD_OFFSET(RESP_OPEN, Buffer)) {
Status = STATUS_INVALID_NETWORK_RESPONSE;
OrdinaryExchange->Status = STATUS_INVALID_NETWORK_RESPONSE;
goto FINALLY;
}
StorageType = FileTypeFile;
Fid = SmbGetUshort(&Response->Fid);
OrdinaryExchange->Create.FidReturnedFromOpen = Fid;
FileSize = OrdinaryExchange->Create.FileSizeReturnedFromOpen = SmbGetUlong(&Response->DataSize);
CreateAction = (OrdinaryExchange->Create.FileWasCreated)?FILE_CREATED
: (OrdinaryExchange->Create.FileWasTruncated)?FILE_OVERWRITTEN
:FILE_OPENED;
MRxSmbPopulateFileInfoInOE(
OrdinaryExchange,
SmbGetUshort(&Response->FileAttributes),
SmbGetUlong(&Response->LastWriteTimeInSeconds),
FileSize
);
pFileInfo->Basic.FileAttributes = OrdinaryExchange->Create.FileInfo.Basic.FileAttributes;
pFileInfo->Basic.CreationTime = OrdinaryExchange->Create.FileInfo.Basic.CreationTime;
pFileInfo->Basic.LastAccessTime = OrdinaryExchange->Create.FileInfo.Basic.LastAccessTime;
pFileInfo->Basic.LastWriteTime = OrdinaryExchange->Create.FileInfo.Basic.LastWriteTime;
pFileInfo->Basic.ChangeTime = OrdinaryExchange->Create.FileInfo.Basic.ChangeTime;
pFileInfo->Standard.NumberOfLinks = OrdinaryExchange->Create.FileInfo.Standard.NumberOfLinks;
pFileInfo->Standard.AllocationSize = OrdinaryExchange->Create.FileInfo.Standard.AllocationSize;
pFileInfo->Standard.EndOfFile = OrdinaryExchange->Create.FileInfo.Standard.EndOfFile;
pFileInfo->Standard.Directory = FALSE;
//CODE.IMPROVEMENT we could save a bit of stack space by wrapping a struc around the args below....
Status = MRxSmbCreateFileSuccessTail ( RxContext,
&OrdinaryExchange->Create.MustRegainExclusiveResource,
&OrdinaryExchange->SmbFcbHoldingState,
StorageType,
Fid,
OrdinaryExchange->ServerVersion,
SMB_OPLOCK_LEVEL_NONE,
CreateAction,
pFileInfo);
FINALLY:
IF_DEBUG{
RxCaptureFcb;
RxDbgTrace(-1, Dbg, ("MRxSmbFinishCoreOpen returning %08lx, fcbstate =%08lx\n", Status, capFcb->FcbState ));
}
return Status;
}
NTSTATUS
MRxSmbPseudoOpenTailFromCoreCreateDirectory (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
USHORT Attributes
)
/*++
Routine Description:
This routine finishes a core create directory. but, it is not called from the receive routine......
Arguments:
OrdinaryExchange - the exchange instance
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
PRX_CONTEXT RxContext = OrdinaryExchange->RxContext;
RxCaptureFobx;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
PSMBPSE_FILEINFO_BUNDLE pFileInfo = &smbSrvOpen->FileInfo;
RX_FILE_TYPE StorageType;
SMB_FILE_ID Fid;
ULONG CreateAction;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbFinishCoreCreateDirectory\n", 0 ));
SmbPseOEAssertConsistentLinkageFromOE("MRxSmbFinishCoreCreateDirectory:");
StorageType = FileTypeDirectory;
Fid = 0xbadd;
CreateAction = FILE_CREATED;
MRxSmbPopulateFileInfoInOE(
OrdinaryExchange,
Attributes,
0,
0
);
pFileInfo->Basic.FileAttributes = OrdinaryExchange->Create.FileInfo.Basic.FileAttributes;
pFileInfo->Basic.CreationTime = OrdinaryExchange->Create.FileInfo.Basic.CreationTime;
pFileInfo->Basic.LastAccessTime = OrdinaryExchange->Create.FileInfo.Basic.LastAccessTime;
pFileInfo->Basic.LastWriteTime = OrdinaryExchange->Create.FileInfo.Basic.LastWriteTime;
pFileInfo->Basic.ChangeTime = OrdinaryExchange->Create.FileInfo.Basic.ChangeTime;
pFileInfo->Standard.NumberOfLinks = OrdinaryExchange->Create.FileInfo.Standard.NumberOfLinks;
pFileInfo->Standard.AllocationSize = OrdinaryExchange->Create.FileInfo.Standard.AllocationSize;
pFileInfo->Standard.EndOfFile = OrdinaryExchange->Create.FileInfo.Standard.EndOfFile;
pFileInfo->Standard.Directory = TRUE;
//CODE.IMPROVEMENT we could save a bit of stack space by wrapping a struc around the args below....
smbSrvOpen->Flags |= SMB_SRVOPEN_FLAG_NOT_REALLY_OPEN; //this indicates a pseudoopen to success tail
Status = MRxSmbCreateFileSuccessTail ( RxContext,
&OrdinaryExchange->Create.MustRegainExclusiveResource,
&OrdinaryExchange->SmbFcbHoldingState,
StorageType,
Fid,
OrdinaryExchange->ServerVersion,
SMB_OPLOCK_LEVEL_NONE,
CreateAction,
pFileInfo);
IF_DEBUG{
RxCaptureFcb;
RxDbgTrace(-1, Dbg, ("MRxSmbFinishCoreCreateDirectory returning %08lx, fcbstate =%08lx\n", Status, capFcb->FcbState ));
}
return Status;
}
NTSTATUS
MRxSmbPseudoOpenTailFromFakeGFAResponse (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange,
RX_FILE_TYPE StorageType
)
/*++
Routine Description:
This routine finishes a pseudoopen from faked up information. Basically, we fill in
the information that would have been obtained on a GET_FILE_ATTRIBUTES smb and then call
the PseudoOpenFromGFA routine
Arguments:
OrdinaryExchange - the exchange instance
StorageType - the type of thing that this is supposed to be. If it's supposed to be
a directory then we set the attributes bit in the GFA info.
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
USHORT Attributes = 0;
PAGED_CODE();
RtlZeroMemory(
&OrdinaryExchange->Create.FileInfo,
sizeof(OrdinaryExchange->Create.FileInfo));
if (StorageType == FileTypeDirectory) {
Attributes = SMB_FILE_ATTRIBUTE_DIRECTORY;
}
MRxSmbPopulateFileInfoInOE(OrdinaryExchange,Attributes,0,0);
OrdinaryExchange->Create.StorageTypeFromGFA = StorageType;
return( MRxSmbPseudoOpenTailFromGFAResponse (OrdinaryExchange) );
}
NTSTATUS
MRxSmbPseudoOpenTailFromGFAResponse (
PSMB_PSE_ORDINARY_EXCHANGE OrdinaryExchange
)
/*++
Routine Description:
This routine finishes a pseudoopen from the information obtained on a
GET_FILE_ATTRIBUTES smb.
Arguments:
OrdinaryExchange - the exchange instance
Return Value:
RXSTATUS - The return status for the operation
--*/
{
NTSTATUS Status = RX_MAP_STATUS(SUCCESS);
PRX_CONTEXT RxContext = OrdinaryExchange->RxContext;
PMRX_SRV_OPEN SrvOpen = RxContext->pRelevantSrvOpen;
PMRX_SMB_SRV_OPEN smbSrvOpen = MRxSmbGetSrvOpenExtension(SrvOpen);
PSMBPSE_FILEINFO_BUNDLE pFileInfo = &smbSrvOpen->FileInfo;
SMB_FILE_ID Fid;
ULONG CreateAction;
PAGED_CODE();
RxDbgTrace(+1, Dbg, ("MRxSmbFinishPseudoOpenFromGFAResponse\n"));
SmbPseOEAssertConsistentLinkageFromOE("MRxSmbFinishPseudoOpenFromGFAResponse:");
Fid = 0xbadd;
CreateAction = FILE_OPENED;
pFileInfo->Basic.FileAttributes = OrdinaryExchange->Create.FileInfo.Basic.FileAttributes;
pFileInfo->Basic.CreationTime = OrdinaryExchange->Create.FileInfo.Basic.CreationTime;
pFileInfo->Basic.LastAccessTime = OrdinaryExchange->Create.FileInfo.Basic.LastAccessTime;
pFileInfo->Basic.LastWriteTime = OrdinaryExchange->Create.FileInfo.Basic.LastWriteTime;
pFileInfo->Basic.ChangeTime = OrdinaryExchange->Create.FileInfo.Basic.ChangeTime;
pFileInfo->Standard.NumberOfLinks = OrdinaryExchange->Create.FileInfo.Standard.NumberOfLinks;
pFileInfo->Standard.AllocationSize = OrdinaryExchange->Create.FileInfo.Standard.AllocationSize;
pFileInfo->Standard.EndOfFile = OrdinaryExchange->Create.FileInfo.Standard.EndOfFile;
pFileInfo->Standard.Directory = (OrdinaryExchange->Create.StorageTypeFromGFA == FileTypeDirectory);
//CODE.IMPROVEMENT we could save a bit of stack space by wrapping a struc around the args below....
// it seems to me that everything but the fid coudl be done that way and the success tail routine
// moved to the wrapper
smbSrvOpen->Flags |= SMB_SRVOPEN_FLAG_NOT_REALLY_OPEN; //this indicates a pseudoopen to success tail
Status = MRxSmbCreateFileSuccessTail ( RxContext,
&OrdinaryExchange->Create.MustRegainExclusiveResource,
&OrdinaryExchange->SmbFcbHoldingState,
OrdinaryExchange->Create.StorageTypeFromGFA,
Fid,
OrdinaryExchange->ServerVersion,
SMB_OPLOCK_LEVEL_NONE,
CreateAction,
pFileInfo);
if (Status == STATUS_SUCCESS) {
if (smbSrvOpen->DeferredOpenContext == NULL) {
// if it is a remote boot server file, it already has a deferred open context created
// on MRxSmbCreateFileSuccessTail
Status = MRxSmbConstructDeferredOpenContext(RxContext);
} else {
// The flag has been cleared when a deferred open context was created for a remote boot server file.
SetFlag(smbSrvOpen->Flags,SMB_SRVOPEN_FLAG_DEFERRED_OPEN);
}
}
if (Status!=STATUS_SUCCESS) {
RxDbgTrace(-1, Dbg, ("MRxSmbFinishPseudoOpenFromGFAResponse construct dfo failed %08lx \n",Status));
}
IF_DEBUG{
RxCaptureFcb;
RxDbgTrace(-1, Dbg, ("MRxSmbFinishPseudoOpenFromGFAResponse returning %08lx, fcbstate =%08lx\n", Status, capFcb->FcbState ));
}
return Status;
}
LARGE_INTEGER
MRxSmbConvertSmbTimeToTime (
//IN PSMB_EXCHANGE Exchange OPTIONAL,
IN PSMBCE_SERVER Server OPTIONAL,
IN SMB_TIME Time,
IN SMB_DATE Date
)
/*++
Routine Description:
This routine converts an SMB time to an NT time structure.
Arguments:
IN SMB_TIME Time - Supplies the time of day to convert
IN SMB_DATE Date - Supplies the day of the year to convert
IN supplies the server for tz bias.
Return Value:
LARGE_INTEGER - Time structure describing input time.
--*/
{
TIME_FIELDS TimeFields;
LARGE_INTEGER OutputTime;
PAGED_CODE();
//
// This routine cannot be paged because it is called from both the
// MRxSmbFileDiscardableSection and the MRxSmbVCDiscardableSection.
//
if (SmbIsTimeZero(&Date) && SmbIsTimeZero(&Time)) {
OutputTime.LowPart = OutputTime.HighPart = 0;
} else {
TimeFields.Year = Date.Struct.Year + (USHORT )1980;
TimeFields.Month = Date.Struct.Month;
TimeFields.Day = Date.Struct.Day;
TimeFields.Hour = Time.Struct.Hours;
TimeFields.Minute = Time.Struct.Minutes;
TimeFields.Second = Time.Struct.TwoSeconds*(USHORT )2;
TimeFields.Milliseconds = 0;
//
// Make sure that the times specified in the SMB are reasonable
// before converting them.
//
if (TimeFields.Year < 1601) {
TimeFields.Year = 1601;
}
if (TimeFields.Month > 12) {
TimeFields.Month = 12;
}
if (TimeFields.Hour >= 24) {
TimeFields.Hour = 23;
}
if (TimeFields.Minute >= 60) {
TimeFields.Minute = 59;
}
if (TimeFields.Second >= 60) {
TimeFields.Second = 59;
}
if (!RtlTimeFieldsToTime(&TimeFields, &OutputTime)) {
OutputTime.HighPart = 0;
OutputTime.LowPart = 0;
return OutputTime;
}
#ifndef WIN9X
if (ARGUMENT_PRESENT(Server)) {
OutputTime.QuadPart = OutputTime.QuadPart + Server->TimeZoneBias.QuadPart;
}
ExLocalTimeToSystemTime(&OutputTime, &OutputTime);
#else
OutputTime.HighPart = 0;
OutputTime.LowPart = 0;
#endif
}
return OutputTime;
}
BOOLEAN
MRxSmbConvertTimeToSmbTime (
IN PLARGE_INTEGER InputTime,
IN PSMB_EXCHANGE Exchange OPTIONAL,
OUT PSMB_TIME Time,
OUT PSMB_DATE Date
)
/*++
Routine Description:
This routine converts an NT time structure to an SMB time.
Arguments:
IN LARGE_INTEGER InputTime - Supplies the time to convert.
OUT PSMB_TIME Time - Returns the converted time of day.
OUT PSMB_DATE Date - Returns the converted day of the year.
Return Value:
BOOLEAN - TRUE if input time could be converted.
--*/
{
TIME_FIELDS TimeFields;
PAGED_CODE();
if (InputTime->LowPart == 0 && InputTime->HighPart == 0) {
Time->Ushort = Date->Ushort = 0;
} else {
LARGE_INTEGER LocalTime;
ExSystemTimeToLocalTime(InputTime, &LocalTime);
if (ARGUMENT_PRESENT(Exchange)) {
PSMBCE_SERVER Server = SmbCeGetExchangeServer(Exchange);
LocalTime.QuadPart -= Server->TimeZoneBias.QuadPart;
}
RtlTimeToTimeFields(&LocalTime, &TimeFields);
if (TimeFields.Year < 1980) {
return FALSE;
}
Date->Struct.Year = (USHORT )(TimeFields.Year - 1980);
Date->Struct.Month = TimeFields.Month;
Date->Struct.Day = TimeFields.Day;
Time->Struct.Hours = TimeFields.Hour;
Time->Struct.Minutes = TimeFields.Minute;
//
// When converting from a higher granularity time to a lesser
// granularity time (seconds to 2 seconds), always round up
// the time, don't round down.
//
Time->Struct.TwoSeconds = (TimeFields.Second + (USHORT)1) / (USHORT )2;
}
return TRUE;
}
BOOLEAN
MRxSmbTimeToSecondsSince1970 (
IN PLARGE_INTEGER CurrentTime,
IN PSMBCE_SERVER Server OPTIONAL,
OUT PULONG SecondsSince1970
)
/*++
Routine Description:
This routine returns the CurrentTime in UTC and returns the
equivalent current time in the servers timezone.
Arguments:
IN PLARGE_INTEGER CurrentTime - Supplies the current system time in UTC.
IN PSMBCE_SERVER Server - Supplies the difference in timezones between
the server and the workstation. If not supplied
then the assumption is that they are in the
same timezone.
OUT PULONG SecondsSince1970 - Returns the # of seconds since 1970 in
the servers timezone or MAXULONG if conversion
fails.
Return Value:
BOOLEAN - TRUE if the time could be converted.
--*/
{
LARGE_INTEGER ServerTime;
LARGE_INTEGER TempTime;
BOOLEAN ReturnValue;
PAGED_CODE();
if (ARGUMENT_PRESENT(Server) &&
((*CurrentTime).QuadPart != 0)) {
TempTime.QuadPart = (*CurrentTime).QuadPart - Server->TimeZoneBias.QuadPart;
ExSystemTimeToLocalTime(&TempTime, &ServerTime);
} else {
ExSystemTimeToLocalTime(CurrentTime, &ServerTime);
}
ReturnValue = RtlTimeToSecondsSince1970(&ServerTime, SecondsSince1970);
if ( ReturnValue == FALSE ) {
//
// We can't represent the time legally, peg it at
// the max legal time.
//
*SecondsSince1970 = MAXULONG;
}
return ReturnValue;
}
VOID
MRxSmbSecondsSince1970ToTime (
IN ULONG SecondsSince1970,
//IN PSMB_EXCHANGE Exchange OPTIONAL,
IN PSMBCE_SERVER Server,
OUT PLARGE_INTEGER CurrentTime
)
/*++
Routine Description:
This routine returns the Local system time derived from a time
in seconds in the servers timezone.
Arguments:
IN ULONG SecondsSince1970 - Supplies the # of seconds since 1970 in
servers timezone.
IN PSMB_EXCHANGE Exchange - Supplies the difference in timezones between
the server and the workstation. If not supplied
then the assumption is that they are in the
same timezone.
OUT PLARGE_INTEGER CurrentTime - Returns the current system time in UTC.
Return Value:
None.
--*/
{
LARGE_INTEGER LocalTime;
PAGED_CODE();
RtlSecondsSince1970ToTime (SecondsSince1970, &LocalTime);
ExLocalTimeToSystemTime(&LocalTime, CurrentTime);
if (ARGUMENT_PRESENT(Server)) {
(*CurrentTime).QuadPart = (*CurrentTime).QuadPart + Server->TimeZoneBias.QuadPart;
}
return;
}
ULONG
MRxSmbMapSmbAttributes (
IN USHORT SmbAttribs
)
/*++
Routine Description:
This routine maps an SMB (DOS/OS2) file attribute into an NT
file attribute.
Arguments:
IN USHORT SmbAttribs - Supplies the SMB attribute to map.
Return Value:
ULONG - NT Attribute mapping SMB attribute
--*/
{
ULONG Attributes = 0;
PAGED_CODE();
if (SmbAttribs==0) {
Attributes = FILE_ATTRIBUTE_NORMAL;
} else {
ASSERT (SMB_FILE_ATTRIBUTE_READONLY == FILE_ATTRIBUTE_READONLY);
ASSERT (SMB_FILE_ATTRIBUTE_HIDDEN == FILE_ATTRIBUTE_HIDDEN);
ASSERT (SMB_FILE_ATTRIBUTE_SYSTEM == FILE_ATTRIBUTE_SYSTEM);
ASSERT (SMB_FILE_ATTRIBUTE_ARCHIVE == FILE_ATTRIBUTE_ARCHIVE);
ASSERT (SMB_FILE_ATTRIBUTE_DIRECTORY == FILE_ATTRIBUTE_DIRECTORY);
Attributes = SmbAttribs & FILE_ATTRIBUTE_VALID_FLAGS;
}
return Attributes;
}
USHORT
MRxSmbMapDisposition (
IN ULONG Disposition
)
/*++
Routine Description:
This routine takes an NT disposition, and maps it into an OS/2
CreateAction to be put into an SMB.
Arguments:
IN ULONG Disposition - Supplies the NT disposition to map.
Return Value:
USHORT - OS/2 Access mapping that maps NT access
--*/
{
PAGED_CODE();
switch (Disposition) {
case FILE_OVERWRITE_IF:
case FILE_SUPERSEDE:
return SMB_OFUN_OPEN_TRUNCATE | SMB_OFUN_CREATE_CREATE;
break;
case FILE_CREATE:
return SMB_OFUN_OPEN_FAIL | SMB_OFUN_CREATE_CREATE;
break;
case FILE_OVERWRITE:
return SMB_OFUN_OPEN_TRUNCATE | SMB_OFUN_CREATE_FAIL;
break;
case FILE_OPEN:
return SMB_OFUN_OPEN_OPEN | SMB_OFUN_CREATE_FAIL;
break;
case FILE_OPEN_IF:
return SMB_OFUN_OPEN_OPEN | SMB_OFUN_CREATE_CREATE;
break;
default:
//InternalError(("Unknown disposition passed to MRxSmbMapDisposition"));
//MRxSmbInternalError(EVENT_RDR_DISPOSITION);
return 0;
break;
}
}
ULONG
MRxSmbUnmapDisposition (
IN USHORT SmbDisposition,
ULONG Disposition
)
/*++
Routine Description:
This routine takes an OS/2 disposition and maps it into an NT
disposition.
Arguments:
IN USHORT SmbDisposition - Supplies the OS/2 disposition to map.
Return Value:
ULONG - NT disposition mapping OS/2 disposition
--*/
{
ULONG MapDisposition;
PAGED_CODE();
//
// Mask off oplocked bit.
//
switch (SmbDisposition & 0x7fff) {
case SMB_OACT_OPENED:
MapDisposition = FILE_OPENED;
break;
case SMB_OACT_CREATED:
MapDisposition = FILE_CREATED;
break;
case SMB_OACT_TRUNCATED:
MapDisposition = FILE_OVERWRITTEN;
break;
default:
MapDisposition = Disposition;
}
return MapDisposition;
}
USHORT
MRxSmbMapDesiredAccess (
IN ULONG DesiredAccess
)
/*++
Routine Description:
This routine takes an NT DesiredAccess value and converts it
to an OS/2 access mode.
Arguments:
IN ULONG DesiredAccess - Supplies the NT desired access to map.
Return Value:
USHORT - The mapped OS/2 access mode that compares to the NT code
specified. If there is no mapping for the NT code, we return
-1 as the access mode.
--*/
{
PAGED_CODE();
//
// If the user asked for both read and write access, return read/write.
//
if ((DesiredAccess & FILE_READ_DATA)&&(DesiredAccess & FILE_WRITE_DATA)) {
return SMB_DA_ACCESS_READ_WRITE;
}
//
// If the user requested WRITE_DATA, return write.
//
if (DesiredAccess & FILE_WRITE_DATA) {
return SMB_DA_ACCESS_WRITE;
}
//
// If the user requested READ_DATA, return read.
//
if (DesiredAccess & FILE_READ_DATA) {
return SMB_DA_ACCESS_READ;
}
//
// If the user requested ONLY execute access, then request execute
// access. Execute access is the "weakest" of the possible desired
// accesses, so it takes least precedence.
//
if (DesiredAccess & FILE_EXECUTE) {
return SMB_DA_ACCESS_EXECUTE;
}
//
// If we couldn't figure out what we were doing, return -1
//
// Among the attributes that we do not map are:
//
// FILE_READ_ATTRIBUTES
// FILE_WRITE_ATTRIBUTES
// FILE_READ_EAS
// FILE_WRITE_EAS
//
// dprintf(DPRT_ERROR, ("Could not map DesiredAccess of %08lx\n", DesiredAccess));
return (USHORT)0;
}
USHORT
MRxSmbMapShareAccess (
IN USHORT ShareAccess
)
/*++
Routine Description:
This routine takes an NT ShareAccess value and converts it to an
OS/2 sharing mode.
Arguments:
IN USHORT ShareAccess - Supplies the OS/2 share access to map.
Return Value:
USHORT - The mapped OS/2 sharing mode that compares to the NT code
specified
--*/
{
USHORT ShareMode = SMB_DA_SHARE_EXCLUSIVE;
PAGED_CODE();
if ((ShareAccess & (FILE_SHARE_READ | FILE_SHARE_WRITE)) ==
(FILE_SHARE_READ | FILE_SHARE_WRITE)) {
ShareMode = SMB_DA_SHARE_DENY_NONE;
} else if (ShareAccess & FILE_SHARE_READ) {
ShareMode = SMB_DA_SHARE_DENY_WRITE;
} else if (ShareAccess & FILE_SHARE_WRITE) {
ShareMode = SMB_DA_SHARE_DENY_READ;
}
// else if (ShareAccess & FILE_SHARE_DELETE) {
// InternalError(("Support for FILE_SHARE_DELETE NYI\n"));
// }
return ShareMode;
}
USHORT
MRxSmbMapFileAttributes (
IN ULONG FileAttributes
)
/*++
Routine Description:
This routine takes an NT file attribute mapping and converts it into
an OS/2 file attribute definition.
Arguments:
IN ULONG FileAttributes - Supplies the file attributes to map.
Return Value:
USHORT
--*/
{
USHORT ResultingAttributes = 0;
PAGED_CODE();
if (FileAttributes==FILE_ATTRIBUTE_NORMAL) {
return ResultingAttributes;
}
if (FileAttributes & FILE_ATTRIBUTE_READONLY) {
ResultingAttributes |= SMB_FILE_ATTRIBUTE_READONLY;
}
if (FileAttributes & FILE_ATTRIBUTE_HIDDEN) {
ResultingAttributes |= SMB_FILE_ATTRIBUTE_HIDDEN;
}
if (FileAttributes & FILE_ATTRIBUTE_SYSTEM) {
ResultingAttributes |= SMB_FILE_ATTRIBUTE_SYSTEM;
}
if (FileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
ResultingAttributes |= SMB_FILE_ATTRIBUTE_ARCHIVE;
}
return ResultingAttributes;
}