[ion] 24419: - Implement CmpNameSize, CmpCopyName. - Fix some bugs in cminit.c

Author: ion
Date: Fri Oct  6 08:34:46 2006
New Revision: 24419

URL: http://svn.reactos.org/svn/reactos?rev=24419&view=rev
Log:
- Implement CmpNameSize, CmpCopyName.
- Fix some bugs in cminit.c

Modified:
    branches/alex-cm-branch/reactos/ntoskrnl/cm/cm.h
    branches/alex-cm-branch/reactos/ntoskrnl/cm/cminit.c
    branches/alex-cm-branch/reactos/ntoskrnl/cm/cmname.c

Modified: branches/alex-cm-branch/reactos/ntoskrnl/cm/cm.h
URL: http://svn.reactos.org/svn/reactos/branches/alex-cm-branch/reactos/ntoskrnl/...
==============================================================================
--- branches/alex-cm-branch/reactos/ntoskrnl/cm/cm.h (original)
+++ branches/alex-cm-branch/reactos/ntoskrnl/cm/cm.h Fri Oct  6 08:34:46 2006
@@ -731,6 +731,21 @@
     IN ULONG NameLength
 );

+USHORT
+NTAPI
+CmpNameSize(
+    IN PHHIVE Hive,
+    IN PUNICODE_STRING Name
+);
+
+USHORT
+NTAPI
+CmpCopyName(
+    IN PHHIVE Hive,
+    IN PWCHAR Destination,
+    IN PUNICODE_STRING Source
+);
+
 //
 // Flush Routines
 //

Modified: branches/alex-cm-branch/reactos/ntoskrnl/cm/cminit.c
URL: http://svn.reactos.org/svn/reactos/branches/alex-cm-branch/reactos/ntoskrnl/...
==============================================================================
--- branches/alex-cm-branch/reactos/ntoskrnl/cm/cminit.c (original)
+++ branches/alex-cm-branch/reactos/ntoskrnl/cm/cminit.c Fri Oct  6 08:34:46 2006
@@ -25,6 +25,16 @@

ULONG CmpCallBackCount;

+GENERIC_MAPPING CmpKeyMapping =
+{
+    KEY_READ,
+    KEY_WRITE,
+    KEY_EXECUTE,
+    KEY_ALL_ACCESS
+};
+
+EX_CALLBACK CmpCallBackVector[CMP_MAX_CALLBACKS];
+
 /* FUNCTIONS *****************************************************************/

NTSTATUS
@@ -51,7 +61,7 @@
     Cell = HvGetCell(Hive, *Index);

/* Fill out the cell */
-    Cell->u.KeyNode.Signature = CM_KEY_NODE_SIGNATURE;
+    Cell->u.KeyNode.Signature = (USHORT)CM_KEY_NODE_SIGNATURE;
     Cell->u.KeyNode.Flags = KEY_HIVE_ENTRY | KEY_NO_DELETE;
     KeQuerySystemTime(&SystemTime);
     Cell->u.KeyNode.LastWriteTime = SystemTime;
@@ -93,7 +103,6 @@
     HCELL_INDEX RootCell;
     PCM_KEY_BODY Key;
     PVOID KeyBody;
-    HANDLE KeyHandle;
     PCM_KEY_CONTROL_BLOCK RootKcb;
     UNICODE_STRING RootName = RTL_CONSTANT_STRING(L"\REGISTRY");
     OBJECT_ATTRIBUTES ObjectAttributes;
@@ -148,7 +157,7 @@
     if (!NT_SUCCESS(Status)) return Status;

/* Now reference it as a keep alive and return the status */
-    Status = ObReferenceObjectByHandle(KeyHandle,
+    Status = ObReferenceObjectByHandle(CmpRegistryRootHandle,
                                        KEY_READ,
                                        NULL,
                                        KernelMode,
@@ -183,8 +192,6 @@
     UNICODE_STRING KeyName, ValueName;
     HANDLE KeyHandle;
     NTSTATUS Status;
-    PCHAR CommandLine;
-    PCHAR SystemBootDevice;
     ULONG i = 0;
     ASSERT(LoaderBlock != NULL);

@@ -225,7 +232,6 @@

/* Free the buffers */
     RtlFreeUnicodeString(&ValueName);
-    ExFreePool(SystemBootDevice);

/* Close the key and return */
     NtClose(KeyHandle);
@@ -274,7 +280,7 @@
     RtlInitUnicodeString(&Name, L"Key");
     ObjectTypeInitializer.Length = sizeof(ObjectTypeInitializer);
     ObjectTypeInitializer.DefaultPagedPoolCharge = sizeof(CM_KEY_BODY);
-    ObjectTypeInitializer.GenericMapping = NULL;
+    ObjectTypeInitializer.GenericMapping = CmpKeyMapping;
     ObjectTypeInitializer.PoolType = PagedPool;
     ObjectTypeInitializer.SecurityRequired = TRUE;
     ObjectTypeInitializer.ValidAccessMask = KEY_ALL_ACCESS;

Modified: branches/alex-cm-branch/reactos/ntoskrnl/cm/cmname.c
URL: http://svn.reactos.org/svn/reactos/branches/alex-cm-branch/reactos/ntoskrnl/...
==============================================================================
--- branches/alex-cm-branch/reactos/ntoskrnl/cm/cmname.c (original)
+++ branches/alex-cm-branch/reactos/ntoskrnl/cm/cmname.c Fri Oct  6 08:34:46 2006
@@ -13,6 +13,62 @@
 #include <debug.h>

/* FUNCTIONS *****************************************************************/
+
+USHORT
+NTAPI
+CmpCopyName(IN PHHIVE Hive,
+            IN PWCHAR Destination,
+            IN PUNICODE_STRING Source)
+{
+    ULONG i;
+
+    /* Check for old hives */
+    if (Hive->Version == 1)
+    {
+        /* Just copy the source directly */
+        RtlCopyMemory(Destination, Source->Buffer, Source->Length);
+        return Source->Length;
+    }
+
+    /* For new versions, check for compressed name */
+    for (i = 0; i < (Source->Length / sizeof(WCHAR)); i++)
+    {
+        /* Check if the name is non compressed */
+        if ((Source->Buffer[i]) > -1)
+        {
+            /* Do the copy */
+            RtlCopyMemory(Destination, Source->Buffer, Source->Length);
+            return Source->Length;
+        }
+
+        /* Copy this character */
+        Destination[i] = Source->Buffer[i];
+    }
+
+    /* Compressed name, return length */
+    return Source->Length / sizeof(WCHAR);
+}
+
+USHORT
+NTAPI
+CmpNameSize(IN PHHIVE Hive,
+            IN PUNICODE_STRING Name)
+{
+    ULONG i;
+
+    /* For old hives, just retun the length */
+    if (Hive->Version == 1) return Name->Length;
+
+    /* For new versions, check for compressed name */
+    for (i = 0; i < (Name->Length / sizeof(WCHAR)); i++)
+    {
+        /* Check if the name is non compressed */
+        if ((Name->Buffer[i]) > -1) return Name->Length;
+    }
+
+    /* Compressed name, return length */
+    return Name->Length / sizeof(WCHAR);
+}

LONG
 NTAPI