[ros-kernel] pnp mgr update

[ismarc at austin.rr.com]

I have another patch, still goes into deviface.c, took me longer than expected with work and all.  Filip, if you could take a good look at what I've got, especially commented out, I'd appreciate it.

-Matt
-------------- next part --------------
? lib/freetype/temp.exp
Index: ntoskrnl/io/deviface.c
===================================================================
RCS file: /CVS/ReactOS/reactos/ntoskrnl/io/deviface.c,v
retrieving revision 1.3
diff -u -r1.3 deviface.c
--- ntoskrnl/io/deviface.c	23 Jan 2004 18:00:53 -0000	1.3
+++ ntoskrnl/io/deviface.c	23 Feb 2004 23:11:39 -0000
@@ -94,8 +94,8 @@
   ULONG Size;
   ULONG i = 0;
   
-  PWCHAR BaseKeyString = L"\\HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Control\\Class\\";
-  PWCHAR BaseInterfaceString = L"\\HKEY_LOCAL_MACHINE\\System\\CurrentControlSet\\Services\\";
+  PWCHAR BaseKeyString = L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Class\\";
+  PWCHAR BaseInterfaceString = L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\";
   
   
   status = RtlStringFromGUID( AliasInterfaceClassGuid, GuidString );
@@ -195,7 +195,9 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
+ * Returns a list of interfaces with a null terminator after each one and an extra
+ * at the end of the list.
  */
 NTSTATUS
 STDCALL
@@ -205,8 +207,178 @@
   IN ULONG Flags,
   OUT PWSTR *SymbolicLinkList)
 {
-  DPRINT("IoGetDeviceInterfaces called (UNIMPLEMENTED)\n");
-  return STATUS_NOT_IMPLEMENTED;
+  PUNICODE_STRING GuidString;
+  PUNICODE_STRING PdoGuidString;
+  PUNICODE_STRING BaseKeyName;
+  PUNICODE_STRING AliasKeyName;
+  PWSTR bipName;
+  
+//  PDEVICE_OBJECT NextPdo;
+
+  PHANDLE InterfaceKey;
+  PHANDLE PdoDriverKey;
+  BOOLEAN CaseInsensitive = TRUE;
+  
+  PKEY_FULL_INFORMATION fip;
+  PKEY_BASIC_INFORMATION bip;
+
+//  PWCHAR DriverKeyName;
+    
+  LONG status;
+  NTSTATUS Status;
+  
+  ULONG BufferSize;
+  ULONG Size;
+  ULONG i = 0;
+  
+//  BOOLEAN PdoTest = TRUE;
+  
+  PWCHAR BaseKeyString = L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Class\\";
+  PWCHAR BaseInterfaceString = L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\";
+  
+  status = RtlStringFromGUID( InterfaceClassGuid, GuidString );
+  if( !status )
+  {
+	  DPRINT( "RtlStringFromGUID() Failed.\n" );
+	  return STATUS_INVALID_HANDLE;
+  }
+  RtlInitUnicodeString( BaseKeyName, BaseKeyString );
+  RtlInitUnicodeString( AliasKeyName, BaseInterfaceString );
+  
+  BaseKeyName->MaximumLength += sizeof( GuidString );
+  RtlAppendUnicodeStringToString( BaseKeyName, GuidString );
+
+  if( PhysicalDeviceObject )
+  {
+    IoGetDeviceProperty( PhysicalDeviceObject,
+  	  				     DevicePropertyClassGuid,
+  					     sizeof(GuidString),
+  					     PdoGuidString,
+  					     &BufferSize );
+
+    if( RtlCompareUnicodeString( GuidString, PdoGuidString, CaseInsensitive ) )
+    {
+	    DPRINT( "Inconsistent Guid's asked for in IoGetDeviceInterfaces()\n" );
+	    return STATUS_INVALID_HANDLE;
+    }
+    
+    Status = IoOpenDeviceRegistryKey( PhysicalDeviceObject,
+    								  PLUGPLAY_REGKEY_DRIVER,
+    								  GENERIC_READ,
+    								  PdoDriverKey );
+    if( !NT_SUCCESS(Status) )
+    {
+	    DPRINT( "IoOpenDeviceRegistryKey() failed.\n" );
+	    return Status;
+    }
+    
+    DPRINT("IoGetDeviceInterfaces() called with PDO, not implemented\n");
+    return STATUS_NOT_IMPLEMENTED;
+/*    
+    wcscat( *SymbolicLinkList, DriverKeyName );
+    
+    while( PdoTest )
+    {
+	    if( PhysicalDeviceObject->NextDevice == NULL )
+	    {
+		  PdoTest = FALSE;
+		  break;
+	    }
+
+	    NextPdo = PhysicalDeviceObject->NextDevice;
+	    
+	    IoGetDeviceProperty( PhysicalDeviceObject,
+	    					 DevicePropertyDriverKeyName,
+	    					 sizeof(DriverKeyName),
+	    					 DriverKeyName,
+	    					 &BufferSize );
+	    DriverKeyName = (PWCHAR) ExAllocatePool(PagedPool, BufferSize);
+	    
+	    Status = IoGetDeviceProperty( PhysicalDeviceObject,
+	    							  DevicePropertyDriverKeyName,
+	    							  sizeof(DriverKeyName),
+	    							  DriverKeyName,
+	    							  &BufferSize );
+	    
+	    if( !NT_SUCCESS(Status) )
+	    {
+		    DPRINT( "IoGetDeviceProperty() failed.\n" );
+		    return Status;
+	    }
+	    wcscat( *SymbolicLinkList, DriverKeyName );
+    }
+    
+    wcscat( *SymbolicLinkList, L"\0" );
+    
+    ExFreePool(DriverKeyName);
+	    
+    return STATUS_SUCCESS;
+*/    
+  }
+  else
+  {				     
+    Status = IoOpenDeviceInterfaceRegistryKey( BaseKeyName,
+  	  			 				    		   GENERIC_READ,
+  						   					   InterfaceKey );
+  						   		
+    if( !NT_SUCCESS( Status ) )
+    {
+      DPRINT( "IoOpenDeviceInterfaceRegistryKey() failed.\n" );
+      return Status;
+    }
+  
+  
+    Status = ZwQueryKey( InterfaceKey,
+  				 	     KeyFullInformation,
+  					     NULL,
+  			  		     0,
+  			  		     &Size );
+  
+    if( !NT_SUCCESS( Status) )
+    {
+      DPRINT( "ZwQueryKey() failed.\n" );
+      return Status;
+    }
+  
+    fip = (PKEY_FULL_INFORMATION) ExAllocatePool(PagedPool, Size);
+  							  				 
+    ZwQueryKey( InterfaceKey,
+  			    KeyFullInformation,
+  			    fip,
+  			    Size,
+  			    &Size );
+
+    while( i < fip->SubKeys )
+    {
+	  i++;
+      ZwEnumerateKey( InterfaceKey,
+    			      i,
+    			      KeyBasicInformation,
+    			      NULL,
+    			      0,
+    			      &Size );
+      bip = (PKEY_BASIC_INFORMATION) ExAllocatePool(PagedPool, Size);
+    
+      ZwEnumerateKey( InterfaceKey,
+    				  i,
+    				  KeyBasicInformation,
+    				  bip,
+    				  Size,
+    				  &Size );
+
+      //Put the name in the string here
+      wcscat( bipName, BaseInterfaceString );
+      wcscat( bipName, bip->Name );
+      wcscat( *SymbolicLinkList, bipName );
+      wcscat( *SymbolicLinkList, L"\0" );
+      ExFreePool(bip);
+    }
+    wcscat( *SymbolicLinkList, L"\0" );
+  
+    ExFreePool(fip);
+  }
+
+  return STATUS_SUCCESS;
 }
 
 /*
@@ -233,7 +405,7 @@
 }
 
 /*
- * @unimplemented
+ * @implemented
  */
 NTSTATUS
 STDCALL
@@ -241,12 +413,48 @@
   IN PUNICODE_STRING SymbolicLinkName,
   IN BOOLEAN Enable)
 {
-  DPRINT("IoSetDeviceInterfaceState called (UNIMPLEMENTED)\n");
+  POBJECT_ATTRIBUTES ObjectAttributes;
+  PHANDLE Key;
+  
+  NTSTATUS Status;
+  
+  InitializeObjectAttributes( ObjectAttributes,
+  						      SymbolicLinkName,
+  							  OBJ_CASE_INSENSITIVE,
+  							  NULL,
+  							  NULL );
+
+  if( Enable )
+  {
+    Status = NtCreateSymbolicLinkObject( Key,
+   									     SYMBOLIC_LINK_ALL_ACCESS,
+  									     ObjectAttributes,
+  									     SymbolicLinkName );
+    if( !NT_SUCCESS( Status ) )
+    {
+	    DPRINT("NtCreateSymbolicLinkObject() Failed (%x status)\n", Status);
+	    return Status;
+    }
+    
+    return STATUS_SUCCESS;
+  }
+  else if( !Enable )
+  {
+    NtOpenSymbolicLinkObject( Key,
+    						  SYMBOLIC_LINK_ALL_ACCESS,
+    						  ObjectAttributes );
+    NtMakeTemporaryObject( Key );
+    NtClose( Key );
+    
+//Should we check to see if it's still valid? or do we trust it will happen
+//because all the handles have to be closed?
+    
+    return STATUS_SUCCESS;
+  }
+	
+  DPRINT("IoSetDeviceInterfaceState() called, missed the checks.\n");	
   return STATUS_SUCCESS;
 
-//	return STATUS_OBJECT_NAME_EXISTS;
-//	return STATUS_OBJECT_NAME_NOT_FOUND;
-//    return STATUS_NOT_IMPLEMENTED;
 }
 
 /* EOF */