1 files changed, 183 insertions, 0 deletions

diff --git a/private/ntos/tdi/loopback/info.c b/private/ntos/tdi/loopback/info.c
new file mode 100644
index 000000000..6d71c41f6
--- /dev/null
+++ b/private/ntos/tdi/loopback/info.c
@@ -0,0 +1,183 @@
+/*++
+
+Copyright (c) 1989  Microsoft Corporation
+
+Module Name:
+
+    info.c
+
+Abstract:
+
+    This module implements query/set information logic for the loopback
+    Transport Provider driver for NT LAN Manager.
+
+Author:
+
+    Chuck Lenzmeier (chuckl)    6-Nov-1991
+
+Revision History:
+
+--*/
+
+#include "loopback.h"
+
+#include <windef.h>
+#include <nb30.h>
+
+
+NTSTATUS
+LoopQueryInformation (
+    IN PIRP Irp,
+    IN PIO_STACK_LOCATION IrpSp
+    )
+
+/*++
+
+Routine Description:
+
+    This function handles the TdiQueryInformation request.
+
+Arguments:
+
+    Irp - Pointer to I/O request packet
+
+    IrpSp - Pointer to current stack location in IRP
+
+Return Value:
+
+    NTSTATUS - Status of request
+
+--*/
+
+{
+    NTSTATUS status;
+    PTDI_REQUEST_KERNEL_QUERY_INFORMATION queryRequest;
+
+    IF_DEBUG(LOOP1) DbgPrint( "  Query Information request\n" );
+
+    queryRequest = (PTDI_REQUEST_KERNEL_QUERY_INFORMATION)&IrpSp->Parameters;
+
+    switch ( queryRequest->QueryType ) {
+
+    case TDI_QUERY_BROADCAST_ADDRESS:
+    {
+        PTA_NETBIOS_ADDRESS address;
+
+        if ( Irp->MdlAddress->ByteCount < sizeof(TA_NETBIOS_ADDRESS) ) {
+
+            status = STATUS_BUFFER_TOO_SMALL;
+
+        } else {
+
+            address = MmGetSystemAddressForMdl( Irp->MdlAddress );
+
+            address->TAAddressCount = 1;
+            address->Address[0].AddressType = TDI_ADDRESS_TYPE_NETBIOS;
+            address->Address[0].AddressLength = 0;
+
+            Irp->IoStatus.Information = sizeof(TA_NETBIOS_ADDRESS);
+
+            status = STATUS_SUCCESS;
+
+        }
+
+        break;
+    }
+
+    case TDI_QUERY_PROVIDER_INFORMATION:
+    {
+        PTDI_PROVIDER_INFO providerInfo;
+
+        if ( Irp->MdlAddress->ByteCount < sizeof(TDI_PROVIDER_INFO) ) {
+
+            status = STATUS_BUFFER_TOO_SMALL;
+
+        } else {
+
+            providerInfo = MmGetSystemAddressForMdl( Irp->MdlAddress );
+
+            ACQUIRE_LOOP_LOCK( "Query Information copy provider info" );
+            RtlMoveMemory(
+                providerInfo,
+                &LoopProviderInfo,
+                sizeof(TDI_PROVIDER_INFO)
+                );
+            RELEASE_LOOP_LOCK( "Query Information copy provider info done" );
+
+            Irp->IoStatus.Information = sizeof(TDI_PROVIDER_INFO);
+
+            status = STATUS_SUCCESS;
+
+        }
+
+        break;
+    }
+
+    case TDI_QUERY_ADAPTER_STATUS:
+    {
+        PADAPTER_STATUS adapterStatus;
+        PNAME_BUFFER name;
+
+        if ( Irp->MdlAddress->ByteCount <
+                (sizeof(ADAPTER_STATUS) + sizeof(NAME_BUFFER)) ) {
+
+            status = STATUS_BUFFER_TOO_SMALL;
+
+        } else {
+
+            adapterStatus = MmGetSystemAddressForMdl( Irp->MdlAddress );
+
+            RtlZeroMemory(
+                adapterStatus,
+                sizeof(ADAPTER_STATUS) + sizeof(NAME_BUFFER)
+                );
+
+            adapterStatus->rev_major = 3;
+            adapterStatus->rev_minor = 0x02;
+            adapterStatus->free_ncbs = 0xffff;
+            adapterStatus->max_cfg_ncbs = 0xffff;
+            adapterStatus->max_ncbs = 0xffff;
+            adapterStatus->max_dgram_size = 0xffff;
+            adapterStatus->max_cfg_sess = 0xffff;
+            adapterStatus->max_sess = 0xffff;
+            adapterStatus->max_sess_pkt_size = 0xffff;
+            adapterStatus->name_count = 1;
+
+            name = (PNAME_BUFFER)(adapterStatus + 1);
+            name->name_num = 1;
+            name->name_flags = REGISTERED | UNIQUE_NAME;
+
+            Irp->IoStatus.Information =
+                            sizeof(ADAPTER_STATUS) + sizeof(NAME_BUFFER);
+
+            status = STATUS_SUCCESS;
+
+        }
+
+        break;
+    }
+
+    case TDI_QUERY_SESSION_STATUS:
+
+        status = STATUS_NOT_IMPLEMENTED;
+
+        break;
+
+    default:
+
+        status = STATUS_INVALID_PARAMETER;
+
+    }
+
+    //
+    // Complete the Query Information request.
+    //
+
+    Irp->IoStatus.Status = status;
+    IoCompleteRequest( Irp, 0 );
+
+    IF_DEBUG(LOOP1) DbgPrint( "  Query Information request complete\n" );
+    return status;
+
+} // LoopQueryInformation
+