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windows-nt/Source/XPSP1/NT/net/sfm/afp/server/fdparm.c

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/*
Copyright (c) 1992 Microsoft Corporation
Module Name:
fdparm.c
Abstract:
This module contains the routines for handling file parameters.
Author:
Jameel Hyder (microsoft!jameelh)
Revision History:
25 Apr 1992 Initial Version
Notes: Tab stop: 4
--*/
#define _FDPARM_LOCALS
#define FILENUM FILE_FDPARM
#include <seposix.h>
#include <afp.h>
#include <fdparm.h>
#include <pathmap.h>
#include <afpinfo.h>
#include <client.h>
#include <access.h>
#ifdef ALLOC_PRAGMA
#pragma alloc_text( PAGE, AfpGetFileDirParmsReplyLength)
#pragma alloc_text( PAGE, AfpPackFileDirParms)
#pragma alloc_text( PAGE, AfpUnpackFileDirParms)
#pragma alloc_text( PAGE, AfpUnpackCatSearchSpecs)
#pragma alloc_text( PAGE, AfpSetFileDirParms)
#pragma alloc_text( PAGE, AfpQuerySecurityIdsAndRights)
#pragma alloc_text( PAGE, AfpConvertNTAttrToAfpAttr)
#pragma alloc_text( PAGE, AfpConvertAfpAttrToNTAttr)
#pragma alloc_text( PAGE, AfpNormalizeAfpAttr)
#pragma alloc_text( PAGE, AfpMapFDBitmapOpenAccess)
#pragma alloc_text( PAGE, AfpCheckForInhibit)
#pragma alloc_text( PAGE, AfpIsCatSearchMatch)
#endif
/*** AfpGetFileDirParmsReplyLength
*
* Compute the size of buffer required to copy the file parameters based
* on the bitmap.
*/
USHORT
AfpGetFileDirParmsReplyLength(
IN PFILEDIRPARM pFDParm,
IN DWORD Bitmap
)
{
LONG i;
USHORT Size = 0;
static BYTE Bitmap2Size[14] =
{
sizeof(USHORT), // Attributes
sizeof(DWORD), // Parent DirId
sizeof(DWORD), // Create Date
sizeof(DWORD), // Mod. Date
sizeof(DWORD), // Backup Date
sizeof(FINDERINFO),
sizeof(USHORT) + sizeof(BYTE), // Long Name
sizeof(USHORT) + sizeof(BYTE), // Short Name
sizeof(DWORD), // DirId/FileNum
sizeof(DWORD), // DataForkLength/Offspring Count
sizeof(DWORD), // RescForkLength/Owner Id
sizeof(DWORD), // Group Id
sizeof(DWORD), // Access Rights
sizeof(PRODOSINFO) // ProDos Info
};
PAGED_CODE( );
ASSERT ((Bitmap & ~DIR_BITMAP_MASK) == 0);
if (Bitmap & FD_BITMAP_LONGNAME)
Size += pFDParm->_fdp_LongName.Length;
if (Bitmap & FD_BITMAP_SHORTNAME)
Size += pFDParm->_fdp_ShortName.Length;
if (IsDir(pFDParm) && (Bitmap & DIR_BITMAP_OFFSPRINGS))
Size -= sizeof(USHORT);
for (i = 0; Bitmap; i++)
{
if (Bitmap & 1)
Size += (USHORT)Bitmap2Size[i];
Bitmap >>= 1;
}
return Size;
}
/*** AfpPackFileDirParms
*
* Pack file or directory parameters into the reply buffer in on-the-wire
* format.
*/
VOID
AfpPackFileDirParms(
IN PFILEDIRPARM pFDParm,
IN DWORD Bitmap,
IN PBYTE pReplyBuf
)
{
LONG Offset = 0;
LONG LongNameOff, ShortNameOff;
PAGED_CODE( );
if (Bitmap & FD_BITMAP_ATTR)
{
PUTSHORT2SHORT(pReplyBuf + Offset, pFDParm->_fdp_Attr);
Offset += sizeof(USHORT);
}
if (Bitmap & FD_BITMAP_PARENT_DIRID)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_ParentId);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_CREATETIME)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_CreateTime);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_MODIFIEDTIME)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_ModifiedTime);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_BACKUPTIME)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_BackupTime);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_FINDERINFO)
{
if ((Bitmap & FD_BITMAP_ATTR) && (pFDParm->_fdp_Attr & FD_BITMAP_ATTR_INVISIBLE))
pFDParm->_fdp_FinderInfo.fd_Attr1 |= FINDER_FLAG_INVISIBLE;
RtlCopyMemory(pReplyBuf + Offset, (PBYTE)&pFDParm->_fdp_FinderInfo,
sizeof(FINDERINFO));
Offset += sizeof(FINDERINFO);
}
// Note the offset where the pointers to names will go. We'll have to
// Fill it up later.
if (Bitmap & FD_BITMAP_LONGNAME)
{
LongNameOff = Offset;
Offset += sizeof(USHORT);
}
if (Bitmap & FD_BITMAP_SHORTNAME)
{
ShortNameOff = Offset;
Offset += sizeof(USHORT);
}
// FileNum for files and DirId for Directories are in the same place
if (Bitmap & FILE_BITMAP_FILENUM)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_AfpId);
Offset += sizeof(DWORD);
}
if (IsDir(pFDParm))
{
// Directory parameters
if (Bitmap & DIR_BITMAP_OFFSPRINGS)
{
DWORD OffSpring;
OffSpring = pFDParm->_fdp_FileCount + pFDParm->_fdp_DirCount;
PUTDWORD2SHORT(pReplyBuf + Offset, OffSpring);
Offset += sizeof(USHORT);
}
if (Bitmap & DIR_BITMAP_OWNERID)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_OwnerId);
Offset += sizeof(DWORD);
}
if (Bitmap & DIR_BITMAP_GROUPID)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_GroupId);
Offset += sizeof(DWORD);
}
if (Bitmap & DIR_BITMAP_ACCESSRIGHTS)
{
DWORD AccessInfo;
AccessInfo = (pFDParm->_fdp_OwnerRights << OWNER_RIGHTS_SHIFT) +
(pFDParm->_fdp_GroupRights << GROUP_RIGHTS_SHIFT) +
(pFDParm->_fdp_WorldRights << WORLD_RIGHTS_SHIFT) +
(pFDParm->_fdp_UserRights << USER_RIGHTS_SHIFT);
PUTDWORD2DWORD(pReplyBuf + Offset, AccessInfo & ~OWNER_BITS_ALL);
Offset += sizeof(DWORD);
}
}
else
{
if (Bitmap & FILE_BITMAP_DATALEN)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_DataForkLen);
Offset += sizeof(DWORD);
}
// Resc Length for files and Owner Id for Directories are in the same place
if (Bitmap & FILE_BITMAP_RESCLEN)
{
PUTDWORD2DWORD(pReplyBuf + Offset, pFDParm->_fdp_RescForkLen);
Offset += sizeof(DWORD);
}
}
if (Bitmap & FD_BITMAP_PRODOSINFO)
{
RtlCopyMemory(pReplyBuf + Offset, (PBYTE)&pFDParm->_fdp_ProDosInfo,
sizeof(PRODOSINFO));
Offset += sizeof(PRODOSINFO);
}
if (Bitmap & FD_BITMAP_LONGNAME)
{
ASSERT(pFDParm->_fdp_LongName.Length <= AFP_LONGNAME_LEN);
PUTDWORD2SHORT(pReplyBuf + LongNameOff, Offset);
PUTSHORT2BYTE(pReplyBuf + Offset, pFDParm->_fdp_LongName.Length);
RtlCopyMemory(pReplyBuf + Offset + sizeof(BYTE),
pFDParm->_fdp_LongName.Buffer,
pFDParm->_fdp_LongName.Length);
Offset += pFDParm->_fdp_LongName.Length + sizeof(BYTE);
}
if (Bitmap & FD_BITMAP_SHORTNAME)
{
ASSERT(pFDParm->_fdp_ShortName.Length <= AFP_SHORTNAME_LEN);
PUTDWORD2SHORT(pReplyBuf + ShortNameOff, Offset);
PUTSHORT2BYTE(pReplyBuf + Offset, pFDParm->_fdp_ShortName.Length);
RtlCopyMemory(pReplyBuf + Offset + sizeof(BYTE),
pFDParm->_fdp_ShortName.Buffer,
pFDParm->_fdp_ShortName.Length);
Offset += pFDParm->_fdp_ShortName.Length + sizeof(BYTE);
}
if (Offset & 1)
*(pReplyBuf + Offset) = 0;
}
/*** AfpUnpackFileDirParms
*
* Unpack the information from the on-the-wire format to the FileDirParm
* structure. Only the fields that can be set are looked at. The bitmaps
* are validated by the caller.
*
* OPTIMIZATION: The finder is notorious for setting things needlessly.
* We figure out if what is being set is same as what it
* is currently and if it is just clear that bit.
*/
AFPSTATUS
AfpUnpackFileDirParms(
IN PBYTE pBuffer,
IN LONG Length,
IN PDWORD pBitmap,
OUT PFILEDIRPARM pFDParm
)
{
DWORD Bitmap = *pBitmap;
AFPTIME ModTime;
USHORT Offset = 0;
BOOLEAN SetModTime = False;
AFPSTATUS Status = AFP_ERR_NONE;
PAGED_CODE( );
do
{
if ((LONG)AfpGetFileDirParmsReplyLength(pFDParm, *pBitmap) > Length)
{
DBGPRINT(DBG_COMP_AFPAPI_FD, DBG_LEVEL_FATAL,
("UnpackFileDirParms: Buffer not large enough!\n"));
DBGBRK(DBG_LEVEL_FATAL);
Status = AFP_ERR_PARAM;
break;
}
if (Bitmap & FD_BITMAP_ATTR)
{
USHORT OldAttr, NewAttr;
USHORT Set;
GETSHORT2SHORT(&NewAttr, pBuffer+Offset);
// keep track of if client wants to set bits or clear bits
Set = (NewAttr & FD_BITMAP_ATTR_SET);
// take off the 'set' bit to isolate the requested bits
NewAttr &= ~FD_BITMAP_ATTR_SET;
// the current effective settings of attributes
OldAttr = (pFDParm->_fdp_Attr & ~FD_BITMAP_ATTR_SET);
if ((NewAttr != 0) &&
(((Set != 0) && ((OldAttr ^ NewAttr) != 0)) ||
((Set == 0) && ((OldAttr & NewAttr) != 0))))
{
// becomes the new resultant AFP attributes after setting
pFDParm->_fdp_EffectiveAttr = (Set != 0) ?
(pFDParm->_fdp_Attr | NewAttr) :
(pFDParm->_fdp_Attr & ~NewAttr);
// changing a directory's inhibit and invisible attributes from
// their current settings can only be done by the dir owner
if (IsDir(pFDParm) &&
((pFDParm->_fdp_EffectiveAttr & DIR_BITMAP_ATTR_CHG_X_OWNER_ONLY) ^
(pFDParm->_fdp_Attr & DIR_BITMAP_ATTR_CHG_X_OWNER_ONLY)) &&
!(pFDParm->_fdp_UserRights & DIR_ACCESS_OWNER))
{
Status = AFP_ERR_ACCESS_DENIED;
break;
}
// becomes attribute bits requested to be set/cleared
pFDParm->_fdp_Attr = (NewAttr | Set);
}
else *pBitmap &= ~FD_BITMAP_ATTR;
Offset += sizeof(USHORT);
}
if (Bitmap & FD_BITMAP_CREATETIME)
{
AFPTIME CreateTime;
GETDWORD2DWORD(&CreateTime, pBuffer+Offset);
if (CreateTime == pFDParm->_fdp_CreateTime)
*pBitmap &= ~FD_BITMAP_CREATETIME;
else pFDParm->_fdp_CreateTime = CreateTime;
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_MODIFIEDTIME)
{
GETDWORD2DWORD(&ModTime, pBuffer+Offset);
if (ModTime == pFDParm->_fdp_ModifiedTime)
{
*pBitmap &= ~FD_BITMAP_MODIFIEDTIME;
SetModTime = True;
}
else
{
pFDParm->_fdp_ModifiedTime = ModTime;
}
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_BACKUPTIME)
{
AFPTIME BackupTime;
GETDWORD2DWORD(&BackupTime, pBuffer+Offset);
if (BackupTime == pFDParm->_fdp_BackupTime)
*pBitmap &= ~FD_BITMAP_BACKUPTIME;
else pFDParm->_fdp_BackupTime = BackupTime;
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_FINDERINFO)
{
int i, rlo = -1, rhi = -1; // Range of bytes that are different
PBYTE pSrc, pDst;
pSrc = pBuffer + Offset;
pDst = (PBYTE)(&pFDParm->_fdp_FinderInfo);
for (i = 0; i < sizeof(FINDERINFO); i++)
{
if (*pSrc++ != *pDst++)
{
if (rlo == -1)
rlo = i;
else rhi = i;
}
}
if ((rlo != -1) && (rhi == -1))
rhi = rlo;
// Optimization: if nothing has changed, avoid a copy
if (rlo == -1)
{
*pBitmap &= ~FD_BITMAP_FINDERINFO;
}
else
{
RtlCopyMemory((PBYTE)&pFDParm->_fdp_FinderInfo,
pBuffer+Offset,
sizeof(FINDERINFO));
}
Offset += sizeof(FINDERINFO);
}
if (IsDir(pFDParm) &&
(Bitmap & (DIR_BITMAP_OWNERID |
DIR_BITMAP_GROUPID |
DIR_BITMAP_ACCESSRIGHTS)))
{
if (Bitmap & DIR_BITMAP_OWNERID)
{
DWORD OwnerId;
GETDWORD2DWORD(&OwnerId, pBuffer+Offset);
if (pFDParm->_fdp_OwnerId == OwnerId)
Bitmap &= ~DIR_BITMAP_OWNERID;
else pFDParm->_fdp_OwnerId = OwnerId;
Offset += sizeof(DWORD);
}
if (Bitmap & DIR_BITMAP_GROUPID)
{
DWORD GroupId;
GETDWORD2DWORD(&GroupId, pBuffer+Offset);
if (pFDParm->_fdp_GroupId == GroupId)
Bitmap &= ~DIR_BITMAP_GROUPID;
else pFDParm->_fdp_GroupId = GroupId;
Offset += sizeof(DWORD);
}
if (Bitmap & DIR_BITMAP_ACCESSRIGHTS)
{
DWORD AccessInfo;
GETDWORD2DWORD(&AccessInfo, pBuffer+Offset);
pFDParm->_fdp_OwnerRights =
(BYTE)((AccessInfo >> OWNER_RIGHTS_SHIFT) & DIR_ACCESS_ALL);
pFDParm->_fdp_GroupRights =
(BYTE)((AccessInfo >> GROUP_RIGHTS_SHIFT) & DIR_ACCESS_ALL);
pFDParm->_fdp_WorldRights =
(BYTE)((AccessInfo >> WORLD_RIGHTS_SHIFT) & DIR_ACCESS_ALL);
Offset += sizeof(DWORD);
}
if (Bitmap & (DIR_BITMAP_OWNERID | DIR_BITMAP_GROUPID))
Bitmap |= DIR_BITMAP_ACCESSRIGHTS;
}
if (Bitmap & FD_BITMAP_PRODOSINFO)
{
int i;
PBYTE pSrc, pDst;
pSrc = pBuffer + Offset;
pDst = (PBYTE)(&pFDParm->_fdp_ProDosInfo);
for (i = 0; i < sizeof(PRODOSINFO); i++)
if (*pSrc++ != *pDst++)
break;
if (i == sizeof(PRODOSINFO))
*pBitmap &= ~FD_BITMAP_PRODOSINFO;
else RtlCopyMemory((PBYTE)&pFDParm->_fdp_ProDosInfo,
pBuffer+Offset,
sizeof(PRODOSINFO));
// Offset += sizeof(PRODOSINFO);
}
} while (False);
// If anything is being set and modified time was dropped because it was identical
// to what is already on, set the bitmap so that it is restored after the change.
if (SetModTime && *pBitmap)
{
*pBitmap |= FD_BITMAP_MODIFIEDTIME;
}
return Status;
}
/*** AfpSetFileDirParms
*
* This is the worker for AfpGetFileDirParms/AfpSetFileParms/AfpSetDirParms.
* This is callable only in the worker's context.
*
* LOCKS: vds_IdDbAccessLock (SWMR, Exclusive);
*/
AFPSTATUS
AfpSetFileDirParms(
IN PVOLDESC pVolDesc,
IN PPATHMAPENTITY pPME,
IN DWORD Bitmap,
IN PFILEDIRPARM pFDParm
)
{
AFPSTATUS Status = AFP_ERR_NONE;
BOOLEAN CleanupLock = False, SetROAttr = False;
PDFENTRY pDfEntry = NULL;
PAGED_CODE( );
do
{
ASSERT(IS_VOLUME_NTFS(pVolDesc));
// NOTE: should we take the SWMR while we set permissions?
if (IsDir(pFDParm))
{
if (Bitmap & (DIR_BITMAP_OWNERID |
DIR_BITMAP_GROUPID |
DIR_BITMAP_ACCESSRIGHTS))
{
Status = AfpSetAfpPermissions(pPME->pme_Handle.fsh_FileHandle,
Bitmap,
pFDParm);
if (!NT_SUCCESS(Status))
break;
}
}
if (Bitmap & (FD_BITMAP_FINDERINFO |
FD_BITMAP_PRODOSINFO |
FD_BITMAP_ATTR |
FD_BITMAP_BACKUPTIME |
DIR_BITMAP_ACCESSRIGHTS |
DIR_BITMAP_OWNERID |
DIR_BITMAP_GROUPID |
FD_BITMAP_CREATETIME |
FD_BITMAP_MODIFIEDTIME |
FD_BITMAP_ATTR))
{
AfpSwmrAcquireExclusive(&pVolDesc->vds_IdDbAccessLock);
CleanupLock = True;
}
if (Bitmap & (FD_BITMAP_FINDERINFO |
FD_BITMAP_PRODOSINFO |
FD_BITMAP_ATTR |
FD_BITMAP_BACKUPTIME |
DIR_BITMAP_ACCESSRIGHTS))
{
// Will update the cached AfpInfo as well as the stream
Status = AfpSetAfpInfo(&pPME->pme_Handle,
Bitmap,
pFDParm,
pVolDesc,
&pDfEntry);
if (Status != AFP_ERR_NONE)
break;
}
if (Bitmap & (FD_BITMAP_CREATETIME |
FD_BITMAP_MODIFIEDTIME |
FD_BITMAP_ATTR |
DIR_BITMAP_ACCESSRIGHTS |
DIR_BITMAP_OWNERID |
DIR_BITMAP_GROUPID))
{
DWORD SetNtAttr = 0, ClrNtAttr = 0;
// need to update the cached times too. If we didn't get the
// pDfEntry back from setting some other AfpInfo, look it up now
if (pDfEntry == NULL)
{
pDfEntry = AfpFindDfEntryById(pVolDesc,
pFDParm->_fdp_AfpId,
IsDir(pFDParm) ? DFE_DIR : DFE_FILE);
if (pDfEntry == NULL)
{
Status = AFP_ERR_OBJECT_NOT_FOUND;
break;
}
}
if (Bitmap & FD_BITMAP_ATTR)
{
if (pFDParm->_fdp_Attr & FD_BITMAP_ATTR_SET)
SetNtAttr = AfpConvertAfpAttrToNTAttr(pFDParm->_fdp_Attr);
else
ClrNtAttr = AfpConvertAfpAttrToNTAttr(pFDParm->_fdp_Attr);
if (pFDParm->_fdp_Attr & (FD_BITMAP_ATTR_RENAMEINH |
FD_BITMAP_ATTR_DELETEINH))
{
SetROAttr = True;
}
if ((SetNtAttr == 0) && (ClrNtAttr == 0))
{
// Since there is no attribute being set/cleared that
// corresponds to any NT attribute, we can clear the
// ATTR bitmap since we've already set the Mac specific
// stuff in the DFE and Afpinfo.
Bitmap &= ~FD_BITMAP_ATTR;
}
}
if (Bitmap & (FD_BITMAP_CREATETIME |
FD_BITMAP_MODIFIEDTIME |
FD_BITMAP_ATTR))
{
ASSERT(pPME->pme_FullPath.Buffer != NULL);
Status = AfpIoSetTimesnAttr(&pPME->pme_Handle,
((Bitmap & FD_BITMAP_CREATETIME) != 0) ?
(PAFPTIME)&pFDParm->_fdp_CreateTime : NULL,
(((Bitmap & FD_BITMAP_MODIFIEDTIME) != 0) || (SetROAttr)) ?
(PAFPTIME)&pFDParm->_fdp_ModifiedTime : NULL,
SetNtAttr, ClrNtAttr,
pVolDesc,
&pPME->pme_FullPath);
}
if (!NT_SUCCESS(Status))
break;
if (Bitmap & FD_BITMAP_CREATETIME)
{
pDfEntry->dfe_CreateTime =
(AFPTIME)pFDParm->_fdp_CreateTime;
}
if (Bitmap & FD_BITMAP_MODIFIEDTIME)
{
AfpConvertTimeFromMacFormat(pFDParm->_fdp_ModifiedTime,
&pDfEntry->dfe_LastModTime);
}
else if (IsDir(pFDParm) &&
((Bitmap & (DIR_BITMAP_OWNERID |
DIR_BITMAP_GROUPID |
DIR_BITMAP_ACCESSRIGHTS)) ||
SetROAttr))
{
ASSERT(VALID_DFE(pDfEntry));
// Setting permissions on a dir or changing its RO attribute
// should update the modified time on the dir (as observed
// on Appleshare 4.0)
AfpIoChangeNTModTime(&pPME->pme_Handle,
&pDfEntry->dfe_LastModTime);
}
if (Bitmap & FD_BITMAP_ATTR)
{
if (pFDParm->_fdp_Attr & FD_BITMAP_ATTR_SET)
pDfEntry->dfe_NtAttr |= (USHORT)SetNtAttr;
else pDfEntry->dfe_NtAttr &= ~((USHORT)ClrNtAttr);
}
}
AfpVolumeSetModifiedTime(pVolDesc);
} while (False);
if (CleanupLock)
{
AfpSwmrRelease(&pVolDesc->vds_IdDbAccessLock);
}
return Status;
}
/*** AfpQuerySecurityIdsAndRights
*
* Find the owner id and primary group id for this entity. Map the corres.
* SIDs to their posix ids. Determine also the access rights for owner,
* group, world and this user. The access rights are divided into the
* following:
*
* Owner's rights
* Primary group's rights
* World rights
* This user's rights
*
* The handle to the directory should be opened with READ_CONTROL
* See Files vs. See Folders resolution for Owner/Group/World is already done.
*/
LOCAL AFPSTATUS
AfpQuerySecurityIdsAndRights(
IN PSDA pSda,
IN PFILESYSHANDLE pFSHandle,
IN DWORD Bitmap,
IN OUT PFILEDIRPARM pFDParm
)
{
NTSTATUS Status;
BYTE ORights, GRights, WRights;
PAGED_CODE( );
// Save contents of the AfpInfo stream access bits
ORights = pFDParm->_fdp_OwnerRights | DIR_ACCESS_WRITE;
GRights = pFDParm->_fdp_GroupRights | DIR_ACCESS_WRITE;
WRights = pFDParm->_fdp_WorldRights | DIR_ACCESS_WRITE;
// Initialize to no rights for everybody
pFDParm->_fdp_Rights = 0;
// Get the OwnerId and GroupId for this directory.
// Determine the Owner/Group and World rights for this directory
// Determine if this user is a member of the directory's group
Status = AfpGetAfpPermissions(pSda,
pFSHandle->fsh_FileHandle,
pFDParm);
if (!NT_SUCCESS(Status))
return Status;
// Modify owner/group/world rights for the SeeFiles/SeeFolder weirdness
// Also if the ACLs say we have READ & SEARCH access but AfpInfo stream
// says we don't, then ignore AfpInfo stream
if ((pFDParm->_fdp_OwnerRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)) &&
!(ORights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)))
ORights |= (DIR_ACCESS_READ | DIR_ACCESS_SEARCH);
pFDParm->_fdp_OwnerRights &= ORights;
if ((pFDParm->_fdp_GroupRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)) &&
!(GRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)))
GRights |= (DIR_ACCESS_READ | DIR_ACCESS_SEARCH);
pFDParm->_fdp_GroupRights &= GRights;
if ((pFDParm->_fdp_WorldRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)) &&
!(WRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)))
WRights |= (DIR_ACCESS_READ | DIR_ACCESS_SEARCH);
pFDParm->_fdp_WorldRights &= WRights;
// One last bit of munging. Owner & Group can be the same and they both
// could be everyone !! Coalese that.
if (pFDParm->_fdp_OwnerId == SE_WORLD_POSIX_ID)
{
pFDParm->_fdp_WorldRights |= (pFDParm->_fdp_OwnerRights & ~DIR_ACCESS_OWNER);
pFDParm->_fdp_OwnerRights |= pFDParm->_fdp_WorldRights;
}
if (pFDParm->_fdp_GroupId == SE_WORLD_POSIX_ID)
{
pFDParm->_fdp_WorldRights |= pFDParm->_fdp_GroupRights;
pFDParm->_fdp_GroupRights |= pFDParm->_fdp_WorldRights;
}
if (pFDParm->_fdp_GroupId == pFDParm->_fdp_OwnerId)
{
pFDParm->_fdp_OwnerRights |= pFDParm->_fdp_GroupRights;
pFDParm->_fdp_GroupRights |= (pFDParm->_fdp_OwnerRights & ~DIR_ACCESS_OWNER);
}
// Modify User rights for the SeeFiles/SeeFolder weirdness by determining
// if the user is owner/group or world
if (pFDParm->_fdp_UserRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH))
{
BYTE URights = (pFDParm->_fdp_UserRights & (DIR_ACCESS_WRITE | DIR_ACCESS_OWNER));
if ((pFDParm->_fdp_WorldRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH))
!= (DIR_ACCESS_READ | DIR_ACCESS_SEARCH))
{
pFDParm->_fdp_UserRights = pFDParm->_fdp_WorldRights;
if (pFDParm->_fdp_UserIsOwner)
{
pFDParm->_fdp_UserRights |= pFDParm->_fdp_OwnerRights;
}
if (pFDParm->_fdp_UserIsMemberOfDirGroup)
{
pFDParm->_fdp_UserRights |= pFDParm->_fdp_GroupRights;
}
if ((pFDParm->_fdp_UserRights & (DIR_ACCESS_READ | DIR_ACCESS_SEARCH)) == 0)
pFDParm->_fdp_UserRights |= (DIR_ACCESS_READ | DIR_ACCESS_SEARCH);
pFDParm->_fdp_UserRights &= ~DIR_ACCESS_WRITE;
pFDParm->_fdp_UserRights |= URights;
}
}
return Status;
}
/*** AfpConvertNTAttrToAfpAttr
*
* Map NT Attributes to the AFP equivalents.
*/
USHORT
AfpConvertNTAttrToAfpAttr(
IN DWORD Attr
)
{
USHORT AfpAttr = FD_BITMAP_ATTR_SET;
PAGED_CODE( );
if (Attr & FILE_ATTRIBUTE_READONLY)
{
AfpAttr |= FD_BITMAP_ATTR_RENAMEINH | FD_BITMAP_ATTR_DELETEINH;
if (!(Attr & FILE_ATTRIBUTE_DIRECTORY))
AfpAttr |= FILE_BITMAP_ATTR_WRITEINH;
}
if (Attr & FILE_ATTRIBUTE_HIDDEN)
AfpAttr |= FD_BITMAP_ATTR_INVISIBLE;
if (Attr & FILE_ATTRIBUTE_SYSTEM)
AfpAttr |= FD_BITMAP_ATTR_SYSTEM;
if (Attr & FILE_ATTRIBUTE_ARCHIVE)
{
AfpAttr |= FD_BITMAP_ATTR_BACKUPNEED;
}
return AfpAttr;
}
/*** AfpConvertAfpAttrToNTAttr
*
* Map AFP Attributes to the NT equivalents.
*/
DWORD
AfpConvertAfpAttrToNTAttr(
IN USHORT Attr
)
{
DWORD NtAttr = 0;
PAGED_CODE( );
if (Attr & (FD_BITMAP_ATTR_RENAMEINH |
FD_BITMAP_ATTR_DELETEINH |
FILE_BITMAP_ATTR_WRITEINH))
NtAttr |= FILE_ATTRIBUTE_READONLY;
if (Attr & FD_BITMAP_ATTR_INVISIBLE)
NtAttr |= FILE_ATTRIBUTE_HIDDEN;
if (Attr & FD_BITMAP_ATTR_SYSTEM)
NtAttr |= FILE_ATTRIBUTE_SYSTEM;
if (Attr & FD_BITMAP_ATTR_BACKUPNEED)
{
NtAttr |= FILE_ATTRIBUTE_ARCHIVE;
}
return NtAttr;
}
/*** AfpNormalizeAfpAttr
*
* Normalize the various inhibit bits in afp attributes vs. the RO bit on the
* disk.
*/
VOID
AfpNormalizeAfpAttr(
IN OUT PFILEDIRPARM pFDParm,
IN DWORD NtAttr
)
{
USHORT AfpAttr;
PAGED_CODE( );
AfpAttr = AfpConvertNTAttrToAfpAttr(NtAttr);
/*
* The Attributes fall into two classes, the ones that are on
* on the filesystem and the others maintained in the AfpInfo
* stream. We need to coalesce these two sets. The RO bit on
* the disk corres. to the three inhibit bits. Fine grain
* control is possible.
*
* The other set of bits that are in the exclusive realm of
* the AfpInfo stream are the RAlreadyOpen and DAlreadyOpen
* bits and the multi-user bit.
*/
if (((pFDParm->_fdp_Attr & FD_BITMAP_ATTR_NT_RO) == 0) ^
((AfpAttr & FD_BITMAP_ATTR_NT_RO) == 0))
{
if ((AfpAttr & FD_BITMAP_ATTR_NT_RO) == 0)
pFDParm->_fdp_Attr &= ~FD_BITMAP_ATTR_NT_RO;
else pFDParm->_fdp_Attr |= FD_BITMAP_ATTR_NT_RO;
}
pFDParm->_fdp_Attr &= (AfpAttr |
(FILE_BITMAP_ATTR_MULTIUSER |
FILE_BITMAP_ATTR_DATAOPEN |
FILE_BITMAP_ATTR_RESCOPEN |
FD_BITMAP_ATTR_SET));
pFDParm->_fdp_Attr |= (AfpAttr & (FD_BITMAP_ATTR_BACKUPNEED |
FD_BITMAP_ATTR_SYSTEM |
FD_BITMAP_ATTR_INVISIBLE));
}
/***AfpMapFDBitmapOpenAccess
*
* Map the FD_INTERNAL_BITMAP_OPENACCESS_xxx bits to the appropriate
* FILEIO_ACCESS_xxx values. The returned OpenAccess is used by the
* pathmap code to open the data stream of a file/dir (under impersonation
* for NTFS) for use in the AFP APIs.
*
*/
DWORD
AfpMapFDBitmapOpenAccess(
IN DWORD Bitmap,
IN BOOLEAN IsDir
)
{
DWORD OpenAccess = FILEIO_ACCESS_NONE;
PAGED_CODE( );
do
{
if (!(Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_ALL))
{
break;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_READCTRL)
{
// For GetFileDirParms we don't know if it was a file or dir they
// are asking for, so we had to OR the file and dir bitmaps together
// before pathmapping.
if (IsDir)
OpenAccess = (FILEIO_ACCESS_NONE |
READ_CONTROL |
SYNCHRONIZE);
break;
}
// Used by AfpAdmwDirectoryGetInfo
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_ADMINGET)
{
OpenAccess = (FILE_READ_ATTRIBUTES |
READ_CONTROL |
SYNCHRONIZE);
break;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_ADMINSET)
{
OpenAccess = (FILE_READ_ATTRIBUTES |
READ_CONTROL |
SYNCHRONIZE |
FILE_WRITE_ATTRIBUTES |
WRITE_DAC |
WRITE_OWNER);
break;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_RW_ATTR)
{
OpenAccess |= (FILEIO_ACCESS_NONE | FILE_WRITE_ATTRIBUTES);
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_RWCTRL)
{
OpenAccess |= (FILEIO_ACCESS_NONE |
READ_CONTROL |
WRITE_DAC |
WRITE_OWNER |
SYNCHRONIZE);
break;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_READ)
{
OpenAccess |= FILEIO_ACCESS_READ;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_WRITE)
{
OpenAccess |= FILEIO_ACCESS_WRITE;
}
if (Bitmap & FD_INTERNAL_BITMAP_OPENACCESS_DELETE)
{
OpenAccess |= FILEIO_ACCESS_DELETE;
}
} while (False);
return OpenAccess;
}
/*** AfpCheckForInhibit
*
* This routine checks for the setting of the Afp RenameInhibit, DeleteInhibit
* or WriteInhibit attributes. It first queries for the host File/Dir
* attributes to find out the setting of the ReadOnly attribute, then checks
* that against the Afp InhibitBit of interest. AFP_ERR_NONE is returned if
* the InhibitBit is not set, else AFP_ERR_OBJECT_LOCKED is returned.
* The input handle must be a handle to the $DATA stream of the file/dir open
* in server's context. The host attributes are returned in pNTAttr if the
* error code is not AFP_ERR_MISC.
*
*/
AFPSTATUS
AfpCheckForInhibit(
IN PFILESYSHANDLE hData, // handle to DATA stream in server context
IN DWORD InhibitBit,
IN DWORD AfpAttr,
OUT PDWORD pNTAttr
)
{
AFPSTATUS Status = STATUS_SUCCESS;
PAGED_CODE();
do
{
if (!NT_SUCCESS(AfpIoQueryTimesnAttr(hData, NULL, NULL, pNTAttr)))
{
Status = AFP_ERR_MISC;
break;
}
if (!(*pNTAttr & FILE_ATTRIBUTE_READONLY))
{
Status = AFP_ERR_NONE;
break;
}
if (!(AfpAttr & FD_BITMAP_ATTR_NT_RO) || (AfpAttr & InhibitBit))
{
// The file/dir is ReadOnly, but NONE of the AFP Inhibit bits are
// set, so we assume the PC has set the RO bit; or, the requested
// inhibit bit IS set.
Status = AFP_ERR_OBJECT_LOCKED;
break;
}
} while (False);
return Status;
}
/*** AfpUnpackCatSearchSpecs
*
* Unpack the information from the on-the-wire format to the FileDirParm
* structures for Specification 1 and 2. Specification 1 contains the
* CatSearch criteria for lower bounds and values. Specification 2
* contains the CatSearch criteria for upper bounds and masks. The parameters
* are packed in the same order that the bits are set in the request bitmap.
* These are read into FILEDIRPARM structures.
*
* The fields in Specification 1 and Specification 2 have different uses:
*
* - In the name field, Specification 1 holds the target string and
* Specification 2 must always have a nil name field.
*
* - In all date and length fields, Specification 1 holds the lowest value
* in the target range and Specification 2 holds the highest value in the
* target range.
*
* - In file attributes and Finder Info fields, Specification 1 holds the
* target value, and Specification 2 holds the bitwise mask that specifies
* which bits in that field in Specification 1 are relevant to the current
* search.
*
*/
AFPSTATUS
AfpUnpackCatSearchSpecs(
IN PBYTE pBuffer, // Pointer to beginning of Spec data
IN USHORT BufLength, // Length of Spec1 + Spec2 data
IN DWORD Bitmap,
OUT PFILEDIRPARM pFDParm1,
OUT PFILEDIRPARM pFDParm2,
OUT PUNICODE_STRING pMatchString
)
{
PCATSEARCHSPEC pSpec1, pSpec2;
PBYTE pBuffer1, pBuffer2, pEndOfBuffer;
USHORT Offset = 0, MinSpecLength1, MinSpecLength2;
AFPSTATUS Status = AFP_ERR_NONE;
BOOLEAN NoNullString = False;
PAGED_CODE( );
pSpec1 = (PCATSEARCHSPEC) pBuffer;
pSpec2 = (PCATSEARCHSPEC) ((PBYTE)pBuffer + sizeof(CATSEARCHSPEC) +
pSpec1->__StructLength);
// Point to data after the specification length and filler byte
pBuffer1 = (PBYTE)pSpec1 + sizeof(CATSEARCHSPEC);
pBuffer2 = (PBYTE)pSpec2 + sizeof(CATSEARCHSPEC);
do
{
//
// Make sure pSpec2 is at least pointing into the buffer we have, and
// that its length is within the buffer as well.
//
pEndOfBuffer = pBuffer + BufLength;
if (((PBYTE)pSpec2 >= pEndOfBuffer) ||
((PBYTE)pSpec2+pSpec2->__StructLength+sizeof(CATSEARCHSPEC)
> pEndOfBuffer))
{
DBGPRINT(DBG_COMP_AFPAPI_FD, DBG_LEVEL_ERR,
("UnpackCatSearchParms: Buffer not large enough!\n"));
Status = AFP_ERR_PARAM;
break;
}
//
// Validate that input buffer is long enough to hold all the info the
// bitmap says it does. Note we cannot yet account for the length of
// a longname string's characters if there was one specified.
//
MinSpecLength1 = MinSpecLength2 = sizeof(CATSEARCHSPEC) +
AfpGetFileDirParmsReplyLength(pFDParm1, Bitmap);
//
// HACK: In order to support LLPT, if the catsearch is
// asking to match filename, we should allow the Spec2 name to
// be missing from the buffer (as opposed to being the null string),
// but still expect the offset to the name.
//
// We also need to support system 7.1 who sends a zero length spec2
// if the Bitmap == FD_BITMAP_LONGNAME.
//
// Real Appleshare handles both these cases with no error.
//
if (Bitmap & FD_BITMAP_LONGNAME)
{
if (pSpec2->__StructLength == (MinSpecLength2-sizeof(CATSEARCHSPEC)-sizeof(BYTE)) )
{
MinSpecLength2 -= sizeof(BYTE);
NoNullString = True;
}
else if ((Bitmap == FD_BITMAP_LONGNAME) && (pSpec2->__StructLength == 0))
{
MinSpecLength2 -= sizeof(USHORT) + sizeof(BYTE);
NoNullString = True;
}
}
if ( ((MinSpecLength1 + MinSpecLength2) > BufLength) ||
(pSpec1->__StructLength < (MinSpecLength1-sizeof(CATSEARCHSPEC))) ||
(pSpec2->__StructLength < (MinSpecLength2-sizeof(CATSEARCHSPEC))) )
{
DBGPRINT(DBG_COMP_AFPAPI_FD, DBG_LEVEL_ERR,
("UnpackCatSearchParms: Buffer not large enough!\n"));
Status = AFP_ERR_PARAM;
break;
}
if (Bitmap & FD_BITMAP_ATTR)
{
GETSHORT2SHORT(&pFDParm1->_fdp_Attr, pBuffer1+Offset);
GETSHORT2SHORT(&pFDParm2->_fdp_Attr, pBuffer2+Offset);
if ((pFDParm2->_fdp_Attr & ~FD_BITMAP_ATTR_NT_RO) ||
(pFDParm2->_fdp_Attr == 0))
{
Status = AFP_ERR_PARAM;
break;
}
Offset += sizeof(USHORT);
}
if (Bitmap & FD_BITMAP_PARENT_DIRID)
{
GETDWORD2DWORD(&pFDParm1->_fdp_ParentId, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_ParentId, pBuffer2+Offset);
if (pFDParm1->_fdp_ParentId < AFP_ID_ROOT)
{
Status = AFP_ERR_PARAM;
break;
}
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_CREATETIME)
{
GETDWORD2DWORD(&pFDParm1->_fdp_CreateTime, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_CreateTime, pBuffer2+Offset);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_MODIFIEDTIME)
{
GETDWORD2DWORD(&pFDParm1->_fdp_ModifiedTime, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_ModifiedTime, pBuffer2+Offset);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_BACKUPTIME)
{
GETDWORD2DWORD(&pFDParm1->_fdp_BackupTime, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_BackupTime, pBuffer2+Offset);
Offset += sizeof(DWORD);
}
if (Bitmap & FD_BITMAP_FINDERINFO)
{
RtlCopyMemory((PBYTE)&pFDParm1->_fdp_FinderInfo,
pBuffer1+Offset,
sizeof(FINDERINFO));
RtlCopyMemory((PBYTE)&pFDParm2->_fdp_FinderInfo,
pBuffer2+Offset,
sizeof(FINDERINFO));
Offset += sizeof(FINDERINFO);
}
if (Bitmap & FD_BITMAP_LONGNAME)
{
DWORD NameOffset1, NameOffset2;
//
// Get the parm relative offset to the start of the pascal string
//
GETSHORT2DWORD(&NameOffset1, pBuffer1+Offset);
if ((Bitmap == FD_BITMAP_LONGNAME) && (pSpec2->__StructLength == 0))
{
// HACK for system 7.1
NameOffset2 = NameOffset1;
pBuffer2 = NULL;
}
else
GETSHORT2DWORD(&NameOffset2, pBuffer2+Offset);
if ((NameOffset1 != NameOffset2) ||
(pBuffer1 + NameOffset1 >= (PBYTE)pSpec2) ||
(pBuffer2 + NameOffset2 > pEndOfBuffer))
{
Status = AFP_ERR_PARAM;
break;
}
Offset += sizeof(USHORT);
//
// Get the pascal string length
//
GETBYTE2SHORT(&pFDParm1->_fdp_LongName.Length, pBuffer1+NameOffset1);
// HACK: In order to support LLPT and system 7.1, if the catsearch is
// asking to match filename, we should allow the Spec2 name to
// be missing from the buffer (as opposed to being the null string).
// Real Appleshare handles this case with no error.
if (NoNullString)
pFDParm2->_fdp_LongName.Length = 0;
else
GETBYTE2SHORT(&pFDParm2->_fdp_LongName.Length, pBuffer2+NameOffset1);
if ((pFDParm1->_fdp_LongName.Length > AFP_LONGNAME_LEN) ||
(pFDParm2->_fdp_LongName.Length != 0) ||
(pBuffer1+NameOffset1+sizeof(BYTE)+pFDParm1->_fdp_LongName.Length > (PBYTE)pSpec2))
{
// Specification 2 must always have a nil name field. Also
// ensure that Specification 1 does not have a bogus string
// length.
Status = AFP_ERR_PARAM;
break;
}
RtlCopyMemory(pFDParm1->_fdp_LongName.Buffer,
pBuffer1+NameOffset1+sizeof(BYTE),
pFDParm1->_fdp_LongName.Length);
AfpConvertStringToMungedUnicode(&pFDParm1->_fdp_LongName, pMatchString);
}
// OFFSPRINGS bit for directories, DATALEN bit for files are the same
if (Bitmap & DIR_BITMAP_OFFSPRINGS)
{
ASSERT(pFDParm1->_fdp_Flags != (DFE_FLAGS_FILE_WITH_ID | DFE_FLAGS_DIR));
if (IsDir(pFDParm1))
{
// We have to combine total offspring count into the
// FileCount field here since the API does not separate
// them into separate file and dir offspring counts
GETSHORT2DWORD(&pFDParm1->_fdp_FileCount, pBuffer1+Offset);
GETSHORT2DWORD(&pFDParm2->_fdp_FileCount, pBuffer2+Offset);
Offset += sizeof(USHORT);
}
else
{
GETDWORD2DWORD(&pFDParm1->_fdp_DataForkLen, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_DataForkLen, pBuffer2+Offset);
Offset += sizeof(DWORD);
}
}
if (Bitmap & FILE_BITMAP_RESCLEN)
{
ASSERT(pFDParm1->_fdp_Flags == DFE_FLAGS_FILE_WITH_ID);
GETDWORD2DWORD(&pFDParm1->_fdp_RescForkLen, pBuffer1+Offset);
GETDWORD2DWORD(&pFDParm2->_fdp_RescForkLen, pBuffer2+Offset);
Offset += sizeof(DWORD);
}
} while (False);
return Status;
}
/*** AfpIsCatSearchMatch
*
* Given a DFE and a set of search criteria, see if this item should be
* returned as a match in the catalog search.
*
*
* LOCKS_ASSUMED: vds_IdDbAccessLock (SWMR, Exclusive)
*/
SHORT
AfpIsCatSearchMatch(
IN PDFENTRY pDFE,
IN DWORD Bitmap, // Search criteria
IN DWORD ReplyBitmap, // Info to return
IN PFILEDIRPARM pFDParm1,
IN PFILEDIRPARM pFDParm2,
IN PUNICODE_STRING pMatchName OPTIONAL
)
{
BOOLEAN IsMatch = True;
SHORT Length = 0;
PAGED_CODE();
do
{
if (Bitmap & FD_BITMAP_ATTR)
{
FILEDIRPARM fdp;
fdp._fdp_Attr = pDFE->dfe_AfpAttr;
AfpNormalizeAfpAttr(&fdp, pDFE->dfe_NtAttr);
if ((fdp._fdp_Attr & pFDParm2->_fdp_Attr) != pFDParm1->_fdp_Attr)
{
IsMatch = False;
break;
}
}
if (Bitmap & FD_BITMAP_PARENT_DIRID)
{
if ((pDFE->dfe_Parent->dfe_AfpId < pFDParm1->_fdp_ParentId) ||
(pDFE->dfe_Parent->dfe_AfpId > pFDParm2->_fdp_ParentId))
{
IsMatch = False;
break;
}
}
if (Bitmap & FD_BITMAP_CREATETIME)
{
if (((AFPTIME)pDFE->dfe_CreateTime < (AFPTIME)pFDParm1->_fdp_CreateTime) ||
((AFPTIME)pDFE->dfe_CreateTime > (AFPTIME)pFDParm2->_fdp_CreateTime))
{
IsMatch = False;
break;
}
}
if (Bitmap & FD_BITMAP_MODIFIEDTIME)
{
AFPTIME ModTime;
ModTime = AfpConvertTimeToMacFormat(&pDFE->dfe_LastModTime);
if ((ModTime < pFDParm1->_fdp_ModifiedTime) ||
(ModTime > pFDParm2->_fdp_ModifiedTime))
{
IsMatch = False;
break;
}
}
if (Bitmap & FD_BITMAP_BACKUPTIME)
{
if ((pDFE->dfe_BackupTime < pFDParm1->_fdp_BackupTime) ||
(pDFE->dfe_BackupTime > pFDParm2->_fdp_BackupTime))
{
IsMatch = False;
break;
}
}
if (Bitmap & FD_BITMAP_FINDERINFO)
{
int i;
PBYTE pF, p1, p2;
FINDERINFO FinderInfo;
// NOTE: why doesn't dfe_FinderInfo.Attr1 correctly reflect the
// Nt Hidden attribute in the first place?
FinderInfo = pDFE->dfe_FinderInfo;
if (pDFE->dfe_NtAttr & FILE_ATTRIBUTE_HIDDEN)
FinderInfo.fd_Attr1 |= FINDER_FLAG_INVISIBLE;
pF = (PBYTE) &FinderInfo;
p1 = (PBYTE) &pFDParm1->_fdp_FinderInfo;
p2 = (PBYTE) &pFDParm2->_fdp_FinderInfo;
for (i = 0; i < sizeof(FINDERINFO); i++)
{
if ((*pF++ & *p2++) != *p1++)
{
IsMatch = False;
break; // out of for loop
}
}
if (IsMatch == False)
break; // out of while loop
}
if (Bitmap & FD_BITMAP_LONGNAME)
{
ASSERT(ARGUMENT_PRESENT(pMatchName));
if (pFDParm2->_fdp_fPartialName)
{
// Name must contain substring
if (!AfpIsProperSubstring(&pDFE->dfe_UnicodeName, pMatchName))
{
IsMatch = False;
break;
}
}
else if (!EQUAL_UNICODE_STRING(&pDFE->dfe_UnicodeName, pMatchName, True))
{
// Whole name must match
IsMatch = False;
break;
}
}
if (Bitmap & FILE_BITMAP_DATALEN)
{
// This bit is also used as DIR_BITMAP_OFFSPRINGS for directories
if (IsDir(pFDParm1))
{
DWORD count;
ASSERT(DFE_IS_DIRECTORY(pDFE) && DFE_CHILDREN_ARE_PRESENT(pDFE));
count = pDFE->dfe_DirOffspring + pDFE->dfe_FileOffspring;
// In this case, _fdp_FileCount holds total # of files and dirs
if ((count < pFDParm1->_fdp_FileCount) ||
(count > pFDParm2->_fdp_FileCount))
{
IsMatch = False;
break;
}
}
else
{
ASSERT(DFE_IS_FILE(pDFE));
if ((pDFE->dfe_DataLen < pFDParm1->_fdp_DataForkLen) ||
(pDFE->dfe_DataLen > pFDParm2->_fdp_DataForkLen))
{
IsMatch = False;
break;
}
}
}
if (Bitmap & FILE_BITMAP_RESCLEN)
{
ASSERT(DFE_IS_FILE(pDFE));
if ((pDFE->dfe_RescLen < pFDParm1->_fdp_RescForkLen) ||
(pDFE->dfe_RescLen > pFDParm2->_fdp_RescForkLen))
{
IsMatch = False;
break;
}
}
} while (False);
if (IsMatch)
{
Length = 2 * sizeof(BYTE); // Struct Length plus File/Dir Flag
if (ReplyBitmap & FD_BITMAP_PARENT_DIRID)
{
Length += sizeof(DWORD);
}
if (ReplyBitmap & FD_BITMAP_LONGNAME)
{
// Offset to string + pascal string length + characters
#ifdef DBCS
// FiX #11992 SFM: As a result of search, I get incorrect file information.
// 1996.09.26 V-HIDEKK
{
ANSI_STRING AName;
BYTE NameBuf[AFP_LONGNAME_LEN+1];
AfpInitAnsiStringWithNonNullTerm(&AName, sizeof(NameBuf), NameBuf);
AfpConvertMungedUnicodeToAnsi(&pDFE->dfe_UnicodeName, &AName);
Length += sizeof(USHORT) + sizeof(BYTE) + AName.Length;
}
#else
Length += sizeof(USHORT) + sizeof(BYTE) + pDFE->dfe_UnicodeName.Length/sizeof(WCHAR);
#endif
}
Length = EVENALIGN(Length);
}
return Length;
}

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