[aandrejevic] 68017: [NTVDM] Store 8.3 file names in SFT entries. Some programs expect them there.

Author: aandrejevic
Date: Thu Jun  4 22:56:02 2015
New Revision: 68017

URL: http://svn.reactos.org/svn/reactos?rev=68017&view=rev
Log:
[NTVDM]
Store 8.3 file names in SFT entries. Some programs expect them there.

Modified:
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.h
    trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/handle.c

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.c	[iso-8859-1] Thu Jun  4 22:56:02 2015
@@ -22,6 +22,45 @@
 #include "process.h"

#include "bios/bios.h"
+
+/* PRIVATE FUNCTIONS **********************************************************/
+
+static VOID StoreNameInSft(LPCSTR FilePath, PDOS_FILE_DESCRIPTOR Descriptor)
+{
+    CHAR ShortPath[MAX_PATH];
+    PCHAR Name;
+    PCHAR Extension;
+
+    /* Try to get the short path */
+    if (!GetShortPathNameA(FilePath, ShortPath, sizeof(ShortPath)))
+    {
+        /* If it failed, just use the uppercase long path */
+        strncpy(ShortPath, FilePath, sizeof(ShortPath) - 1);
+        _strupr(ShortPath);
+    }
+
+    /* Get the name part */
+    Name = strrchr(ShortPath, '\');
+    if (Name == NULL) Name = ShortPath;
+
+    /* Find the extension */
+    Extension = strchr(Name, '.');
+
+    if (Extension)
+    {
+        /* Terminate the name string, and move the pointer to after the dot */
+        *Extension++ = 0;
+    }
+
+    /* Copy the name into the SFT descriptor */
+    RtlCopyMemory(Descriptor->FileName, Name, min(strlen(Name), 8));
+
+    if (Extension)
+    {
+        /* Copy the extension too */
+        RtlCopyMemory(&Descriptor->FileName[8], Extension, min(strlen(Extension), 3));
+    }
+}

/* PUBLIC FUNCTIONS ***********************************************************/

@@ -365,20 +404,24 @@
     /* Set up the new descriptor */
     Descriptor = DosGetFileDescriptor(DescriptorId);
     RtlZeroMemory(Descriptor, sizeof(*Descriptor));
+    RtlFillMemory(Descriptor->FileName, sizeof(Descriptor->FileName), ' ');

if (Node != NULL)
     {
         Descriptor->DevicePointer = Node->Driver;
         Descriptor->DeviceInfo = Node->DeviceAttributes | FILE_INFO_DEVICE;
+        RtlCopyMemory(Descriptor->FileName, Node->Name.Buffer, Node->Name.Length);
     }
     else
     {
         Descriptor->OpenMode = AccessShareModes;
         Descriptor->Attributes = LOBYTE(GetFileAttributesA(FilePath));
         Descriptor->Size = GetFileSize(FileHandle, NULL);
-        Descriptor->OwnerPsp = Sda->CurrentPsp;
         Descriptor->Win32Handle = FileHandle;
-    }
+        StoreNameInSft(FilePath, Descriptor);
+    }
+
+    Descriptor->OwnerPsp = Sda->CurrentPsp;

/* Open the DOS handle */
     DosHandle = DosOpenHandle(DescriptorId);
@@ -441,19 +484,23 @@
     /* Set up the new descriptor */
     Descriptor = DosGetFileDescriptor(DescriptorId);
     RtlZeroMemory(Descriptor, sizeof(*Descriptor));
+    RtlFillMemory(Descriptor->FileName, sizeof(Descriptor->FileName), ' ');

if (Node != NULL)
     {
         Descriptor->DevicePointer = Node->Driver;
         Descriptor->DeviceInfo = Node->DeviceAttributes | FILE_INFO_DEVICE;
+        RtlCopyMemory(Descriptor->FileName, Node->Name.Buffer, Node->Name.Length);
     }
     else
     {
         Descriptor->Attributes = LOBYTE(GetFileAttributesA(FilePath));
         Descriptor->Size = GetFileSize(FileHandle, NULL);
-        Descriptor->OwnerPsp = Sda->CurrentPsp;
         Descriptor->Win32Handle = FileHandle;
-    }
+        StoreNameInSft(FilePath, Descriptor);
+    }
+
+    Descriptor->OwnerPsp = Sda->CurrentPsp;

/* Open the DOS handle */
     DosHandle = DosOpenHandle(DescriptorId);
@@ -589,20 +636,24 @@
     /* Set up the new descriptor */
     Descriptor = DosGetFileDescriptor(DescriptorId);
     RtlZeroMemory(Descriptor, sizeof(*Descriptor));
+    RtlFillMemory(Descriptor->FileName, sizeof(Descriptor->FileName), ' ');

if (Node != NULL)
     {
         Descriptor->DevicePointer = Node->Driver;
         Descriptor->DeviceInfo = Node->DeviceAttributes | FILE_INFO_DEVICE;
+        RtlCopyMemory(Descriptor->FileName, Node->Name.Buffer, Node->Name.Length);
     }
     else
     {
         Descriptor->OpenMode = AccessShareModes;
         Descriptor->Attributes = LOBYTE(GetFileAttributesA(FilePath));
         Descriptor->Size = GetFileSize(FileHandle, NULL);
-        Descriptor->OwnerPsp = Sda->CurrentPsp;
         Descriptor->Win32Handle = FileHandle;
-    }
+        StoreNameInSft(FilePath, Descriptor);
+    }
+
+    Descriptor->OwnerPsp = Sda->CurrentPsp;

/* Open the DOS handle */
     DosHandle = DosOpenHandle(DescriptorId);

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.h	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/dosfiles.h	[iso-8859-1] Thu Jun  4 22:56:02 2015
@@ -26,7 +26,8 @@
     DWORD Reserved;
     WORD OwnerPsp;
     HANDLE Win32Handle;
-    BYTE Padding[0x1E - sizeof(HANDLE)];
+    CHAR FileName[11];
+    BYTE Padding[0x13 - sizeof(HANDLE)];
 } DOS_FILE_DESCRIPTOR, *PDOS_FILE_DESCRIPTOR;

C_ASSERT(sizeof(DOS_FILE_DESCRIPTOR) == 0x3B);

Modified: trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/handle.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/mvdm/ntvdm/dos/d...
==============================================================================
--- trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/handle.c	[iso-8859-1] (original)
+++ trunk/reactos/subsystems/mvdm/ntvdm/dos/dos32krnl/handle.c	[iso-8859-1] Thu Jun  4 22:56:02 2015
@@ -105,6 +105,8 @@

Descriptor->DeviceInfo = Node->DeviceAttributes | FILE_INFO_DEVICE;
                     Descriptor->DevicePointer = SysVars->ActiveCon;
+                    RtlFillMemory(Descriptor->FileName, sizeof(Descriptor->FileName), ' ');
+                    RtlCopyMemory(Descriptor->FileName, Node->Name.Buffer, Node->Name.Length);

/* Call the open routine */
                     if (Node->OpenRoutine) Node->OpenRoutine(Node);