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[NTFS]

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Cowardly refuse to continue processing (enumerating/reading) when stumbling upon a compressed entry.
This avoids infinite loops when enumerating, incorrect files contents when reading.

CORE-10814 #resolve #comment 'Fixed' with r70750

svn path=/trunk/; revision=70750
This commit is contained in:
Pierre Schweitzer 2016-02-14 22:44:54 +00:00
parent 5bb8c16219
commit dcef60424d
4 changed files with 23 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

7
reactos/drivers/filesystems/ntfs/dirctl.c
View file

@ -298,6 +298,13 @@ NtfsQueryDirectory(PNTFS_IRP_CONTEXT IrpContext)
FileInformationClass = Stack->Parameters.QueryDirectory.FileInformationClass; FileInformationClass = Stack->Parameters.QueryDirectory.FileInformationClass;
FileIndex = Stack->Parameters.QueryDirectory.FileIndex; FileIndex = Stack->Parameters.QueryDirectory.FileIndex;
if (NtfsFCBIsCompressed(Fcb))
{
DPRINT1("Compressed directory!\n");
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}
if (SearchPattern != NULL) if (SearchPattern != NULL)
{ {
if (!Ccb->DirectorySearchPattern) if (!Ccb->DirectorySearchPattern)

6
reactos/drivers/filesystems/ntfs/fcb.c
View file

@ -137,6 +137,12 @@ NtfsFCBIsReparsePoint(PNTFS_FCB Fcb)
} }
BOOLEAN
NtfsFCBIsCompressed(PNTFS_FCB Fcb)
{
return ((Fcb->Entry.FileAttributes & NTFS_FILE_TYPE_COMPRESSED) == NTFS_FILE_TYPE_COMPRESSED);
}
BOOLEAN BOOLEAN
NtfsFCBIsRoot(PNTFS_FCB Fcb) NtfsFCBIsRoot(PNTFS_FCB Fcb)
{ {

3
reactos/drivers/filesystems/ntfs/ntfs.h
View file

@ -642,6 +642,9 @@ NtfsFCBIsDirectory(PNTFS_FCB Fcb);
BOOLEAN BOOLEAN
NtfsFCBIsReparsePoint(PNTFS_FCB Fcb); NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
BOOLEAN
NtfsFCBIsCompressed(PNTFS_FCB Fcb);
BOOLEAN BOOLEAN
NtfsFCBIsRoot(PNTFS_FCB Fcb); NtfsFCBIsRoot(PNTFS_FCB Fcb);

7
reactos/drivers/filesystems/ntfs/rw.c
View file

@ -71,6 +71,13 @@ NtfsReadFile(PDEVICE_EXTENSION DeviceExt,
Fcb = (PNTFS_FCB)FileObject->FsContext; Fcb = (PNTFS_FCB)FileObject->FsContext;
if (NtfsFCBIsCompressed(Fcb))
{
DPRINT1("Compressed file!\n");
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
}
FileRecord = ExAllocatePoolWithTag(NonPagedPool, DeviceExt->NtfsInfo.BytesPerFileRecord, TAG_NTFS); FileRecord = ExAllocatePoolWithTag(NonPagedPool, DeviceExt->NtfsInfo.BytesPerFileRecord, TAG_NTFS);
if (FileRecord == NULL) if (FileRecord == NULL)
{ {