Source code of Windows XP (NT5)
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/*++
Copyright (c) 1991 Microsoft Corporation
Module Name:
vrdisp.c
Abstract:
Contains dispatcher for VdmRedir (Vr) functions
Contents:
VrDispatch
Author:
Richard L Firth (rfirth) 13-Sep-1991
Environment:
Flat 32-bit
Revision History:
13-Sep-1991 rfirth
Created
--*/
#include <nt.h>
#include <ntrtl.h> // ASSERT, DbgPrint
#include <nturtl.h>
#include <windows.h>
#include <softpc.h> // x86 virtual machine definitions
#include <vrdlctab.h>
#include <vdmredir.h> // common VdmRedir stuff
#include <vrinit.h> // Vr init prototypes
#include <vrmisc.h> // Vr miscellaneous prototypes
#include <vrnmpipe.h> // Vr named pipe prototypes
#include <vrmslot.h> // Vr mailslot prototypes
#include <vrnetapi.h> // Vr net api prototypes
#include <nb30.h> // NCBNAMSZ etc.
#include <netb.h> // Vr netbios api prototypes
#include <rdrexp.h> // VrDispatch prototypes
#include <rdrsvc.h> // SVC_RDR... defines
#include <smbgtpt.h>
#include <dlcapi.h> // Official DLC API definition
#include <ntdddlc.h> // IOCTL commands
#include <dlcio.h> // Internal IOCTL API interface structures
#include <vrdlc.h> // Vr dlc prototypes, etc.
//
// The functions in VrDispatchTable must be in the same order as the
// corresponding SVC codes in rdrsvc.h
//
VOID (*VrDispatchTable[])(VOID) = {
VrInitialize, // 0x00
VrUninitialize, // 0x01
VrGetNamedPipeInfo, // 0x02
VrGetNamedPipeHandleState, // 0x03
VrSetNamedPipeHandleState, // 0x04
VrPeekNamedPipe, // 0x05
VrTransactNamedPipe, // 0x06
VrCallNamedPipe, // 0x07
VrWaitNamedPipe, // 0x08
VrDeleteMailslot, // 0x09
VrGetMailslotInfo, // 0x0a
VrMakeMailslot, // 0x0b
VrPeekMailslot, // 0x0c
VrReadMailslot, // 0x0d
VrWriteMailslot, // 0x0e
VrTerminateDosProcess, // 0x0f
VrNetTransactApi, // 0x10
VrNetRemoteApi, // 0x11
VrNetNullTransactApi, // 0x12
VrNetServerEnum, // 0x13
VrNetUseAdd, // 0x14
VrNetUseDel, // 0x15
VrNetUseEnum, // 0x16
VrNetUseGetInfo, // 0x17
VrNetWkstaGetInfo, // 0x18
VrNetWkstaSetInfo, // 0x19
VrNetMessageBufferSend, // 0x1a
VrGetCDNames, // 0x1b
VrGetComputerName, // 0x1c
VrGetUserName, // 0x1d
VrGetDomainName, // 0x1e
VrGetLogonServer, // 0x1f
VrNetHandleGetInfo, // 0x20
VrNetHandleSetInfo, // 0x21
VrNetGetDCName, // 0x22
VrReadWriteAsyncNmPipe, // 0x23
VrReadWriteAsyncNmPipe, // 0x24
VrNetbios5c, // 0x25
VrHandleAsyncCompletion, // 0x26
VrDlc5cHandler, // 0x27
VrVdmWindowInit, // 0x28
VrReturnAssignMode, // 0x29
VrSetAssignMode, // 0x2a
VrGetAssignListEntry, // 0x2b
VrDefineMacro, // 0x2c
VrBreakMacro, // 0x2d
VrNetServiceControl, // 0x2e
VrDismissInterrupt, // 0x2f
VrEoiAndDismissInterrupt, // 0x30
VrCheckPmNetbiosAnr // 0x31
};
#define LAST_VR_FUNCTION LAST_ELEMENT(VrDispatchTable)
BOOL
VrDispatch(
IN ULONG SvcCode
)
/*++
Routine Description:
Dispatches a Vdm Redir support function based on the SVC code
Arguments:
SvcCode - Function dispatcher
Return Value:
BOOL
TRUE - Function executed
FALSE - Function not executed
--*/
{
#if 0
#if DBG
DbgPrint("VrDisp: You have successfully made a Bop into VdmRedir (%d)\n",
SvcCode
);
#endif
#endif
if (SvcCode > LAST_VR_FUNCTION) {
#if DBG
DbgPrint("Error: VrDisp: Unsupported SVC code: %d\n", SvcCode);
VrUnsupportedFunction();
#endif
return FALSE;
}
VrDispatchTable[SvcCode]();
return TRUE;
}
//
// BUGBUG - this goes away when all C compilers understand inline functions
//
#ifndef i386
LPVOID _inlinePointerFromWords(WORD seg, WORD off) {
WORD _seg = seg;
WORD _off = off;
if (seg + off) {
return (LPVOID)GetVDMAddr(_seg, _off);
}
return 0;
}
LPVOID _inlineConvertAddress(WORD Seg, WORD Off, WORD Size, BOOLEAN Pm) {
WORD _seg = Seg;
WORD _off = Off;
return (_seg | _off) ? Sim32GetVDMPointer(((DWORD)_seg << 16) + _off, Size, Pm) : 0;
}
#endif