Source code of Windows XP (NT5)
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/*++
Copyright (c) 1995 Microsoft Corporation
Module Name:
init.c
Abstract:
Some router initialization functions
Author:
Stefan Solomon 05/10/1995
Revision History:
--*/
#include "precomp.h"
#pragma hdrstop
//*******************************************************************
//* *
//* IPXCP Interface Functions *
//* *
//*******************************************************************
#define IPXCP_INITIALIZE_ENTRY_POINT "IpxCpInit"
#define IPXCP_CLEANUP_ENTRY_POINT IPXCP_INITIALIZE_ENTRY_POINT
typedef DWORD (* IpxcpInitFunPtr)(BOOL);
typedef DWORD (* IpxcpCleanupFunPtr)(BOOL);
// Initializes IpxCp so that it can be used. Assumes the IpxCp
DWORD InitializeIpxCp (HINSTANCE hInstDll) {
IpxcpInitFunPtr pfnInit;
DWORD dwErr;
pfnInit = (IpxcpInitFunPtr)GetProcAddress(hInstDll, IPXCP_INITIALIZE_ENTRY_POINT);
if (!pfnInit)
return ERROR_CAN_NOT_COMPLETE;
if ((dwErr = (*pfnInit)(TRUE)) != NO_ERROR)
return dwErr;
return NO_ERROR;
}
// Cleansup the initialization of ipxcp that occurred when the
// program loaded.
DWORD CleanupIpxCp (HINSTANCE hInstDll) {
IpxcpCleanupFunPtr pfnCleanup;
DWORD dwErr;
pfnCleanup = (IpxcpCleanupFunPtr)GetProcAddress(hInstDll, IPXCP_CLEANUP_ENTRY_POINT);
if (!pfnCleanup)
return ERROR_CAN_NOT_COMPLETE;
if ((dwErr = (*pfnCleanup)(FALSE)) != NO_ERROR)
return dwErr;
return NO_ERROR;
}
/*++
Function: RmCreateGlobalRoute
Descr: called by ipxcp to create the global wan net if so configured
--*/
DWORD
RmCreateGlobalRoute(PUCHAR Network)
{
DWORD rc;
Trace(IPXCPIF_TRACE, "RmCreateGlobalRoute: Entered for 0x%x%x%x%x%x%x (%x)",
Network[0], Network[1], Network[2], Network[3], Network[4], Network[5],
WanNetDatabaseInitialized);
ACQUIRE_DATABASE_LOCK;
if((RouterOperState != OPER_STATE_UP) || LanOnlyMode) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
// In NT5 we allow changing the global route on the
// fly although it will only happen when there are
// no WAN connections active.
//
// SS_ASSERT(WanNetDatabaseInitialized == FALSE);
//
if (WanNetDatabaseInitialized == TRUE) {
DeleteGlobalRoute(GlobalWanNet);
}
WanNetDatabaseInitialized = TRUE;
if((rc = CreateGlobalRoute(Network)) != NO_ERROR) {
RELEASE_DATABASE_LOCK;
return rc;
}
EnableGlobalWanNet = TRUE;
memcpy(GlobalWanNet, Network, 4);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
/*++
Function: AllLocalWkstaDialoutInterface
Descr: called by ipxcp to add an interface for the case when the
host dials out. This interface type is not handled by DIM
--*/
DWORD
RmAddLocalWkstaDialoutInterface(
IN LPWSTR InterfaceNamep,
IN LPVOID InterfaceInfop,
IN OUT PULONG InterfaceIndexp)
{
PICB icbp;
ULONG InterfaceNameLen; // if name length in bytes including wchar NULL
PIPX_IF_INFO IpxIfInfop;
PIPXWAN_IF_INFO IpxwanIfInfop;
PIPX_INFO_BLOCK_HEADER IfInfop = (PIPX_INFO_BLOCK_HEADER)InterfaceInfop;
PACB acbp;
PIPX_TOC_ENTRY tocep;
UINT i;
ULONG tmp;
FW_IF_INFO FwIfInfo;
Trace(IPXCPIF_TRACE, "AddLocalWkstaDialoutInterface: Entered for interface %S\n", InterfaceNamep);
// interface name length including the unicode null
InterfaceNameLen = (wcslen(InterfaceNamep) + 1) * sizeof(WCHAR);
ACQUIRE_DATABASE_LOCK;
if((RouterOperState != OPER_STATE_UP) || LanOnlyMode) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
// Allocate a new ICB and initialize it
// we allocate the interface and adapter name buffers at the end of the
// ICB struct.
if((icbp = (PICB)GlobalAlloc(GPTR,
sizeof(ICB) +
InterfaceNameLen)) == NULL) {
RELEASE_DATABASE_LOCK;
// can't alloc memory
SS_ASSERT(FALSE);
return ERROR_NOT_ENOUGH_MEMORY;
}
// signature
memcpy(&icbp->Signature, InterfaceSignature, 4);
icbp->InterfaceIndex = GetNextInterfaceIndex();
// copy the interface name
icbp->InterfaceNamep = (PWSTR)((PUCHAR)icbp + sizeof(ICB));
memcpy(icbp->InterfaceNamep, InterfaceNamep, InterfaceNameLen);
icbp->AdapterNamep = NULL;
icbp->PacketType = 0;
// set the DIM interface type of this ICB
icbp->DIMInterfaceType = 0xFFFFFFFF;
// set the MIB interface type of this ICB
icbp->MIBInterfaceType = IF_TYPE_ROUTER_WORKSTATION_DIALOUT;
// mark the interface as unbound to an adapter (default)
icbp->acbp = NULL;
// get the if handle used when calling DIM entry points
icbp->hDIMInterface = INVALID_HANDLE_VALUE;
// reset the update status fields
ResetUpdateRequest(icbp);
// mark connection not requested yet
icbp->ConnectionRequestPending = FALSE;
// get to the interface entries in the interface info block
if(((IpxIfInfop = (PIPX_IF_INFO)GetInfoEntry(InterfaceInfop, IPX_INTERFACE_INFO_TYPE)) == NULL) ||
((IpxwanIfInfop = (PIPXWAN_IF_INFO)GetInfoEntry(InterfaceInfop, IPXWAN_INTERFACE_INFO_TYPE)) == NULL)) {
GlobalFree(icbp);
RELEASE_DATABASE_LOCK;
IF_LOG (EVENTLOG_ERROR_TYPE) {
RouterLogErrorDataW (RMEventLogHdl,
ROUTERLOG_IPX_BAD_CLIENT_INTERFACE_CONFIG,
0, NULL, 0, NULL);
}
// don't have all ipx or ipxwan interfaces info
Trace(IPXCPIF_TRACE, "AddInterface: missing ipx or ipxwan interface info\n");
SS_ASSERT(FALSE);
return ERROR_INVALID_PARAMETER;
}
// set the IPXWAN interface info
icbp->EnableIpxWanNegotiation = IpxwanIfInfop->AdminState;
// Initialize the Oper State of this interface.
icbp->OperState = OPER_STATE_DOWN;
// this is a WAN interface. As long as it isn't connected, and enabled the
// oper state will be sleeping on this interface
if(IpxIfInfop->AdminState == ADMIN_STATE_ENABLED)
icbp->OperState = OPER_STATE_SLEEPING;
// create the routing protocols (rip/sap or nlsp) interface info
// insert the if in the index hash table
AddIfToDB(icbp);
// If the routing protocols interface info is missing this will fail
if(CreateRoutingProtocolsInterfaces(InterfaceInfop, icbp) != NO_ERROR) {
RemoveIfFromDB(icbp);
GlobalFree(icbp);
RELEASE_DATABASE_LOCK;
IF_LOG (EVENTLOG_ERROR_TYPE) {
RouterLogErrorDataW (RMEventLogHdl,
ROUTERLOG_IPX_BAD_CLIENT_INTERFACE_CONFIG,
0, NULL, 0, NULL);
}
// don't have all rip and sap interfaces info
Trace(IPXCPIF_TRACE, "AddInterface: missing routing protocols interface info\n");
SS_ASSERT(FALSE);
return ERROR_INVALID_PARAMETER;
}
// create the Forwarder interface
FwIfInfo.NetbiosAccept = IpxIfInfop->NetbiosAccept;
FwIfInfo.NetbiosDeliver = IpxIfInfop->NetbiosDeliver;
FwCreateInterface(icbp->InterfaceIndex,
LOCAL_WORKSTATION_DIAL,
&FwIfInfo);
// mark the interface reachable
icbp->InterfaceReachable = TRUE;
// set the admin state
if(IpxIfInfop->AdminState == ADMIN_STATE_ENABLED) {
AdminEnable(icbp);
}
else
{
AdminDisable(icbp);
}
// increment the interface counter
InterfaceCount++;
*InterfaceIndexp = icbp->InterfaceIndex;
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
DWORD
RmDeleteLocalWkstaDialoutInterface(ULONG InterfaceIndex)
{
return(DeleteInterface((HANDLE)UlongToPtr(InterfaceIndex)));
}
DWORD
RmGetIpxwanInterfaceConfig(ULONG InterfaceIndex,
PULONG IpxwanConfigRequired)
{
PICB icbp;
ACQUIRE_DATABASE_LOCK;
if((RouterOperState != OPER_STATE_UP) || LanOnlyMode) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
if((icbp = GetInterfaceByIndex(InterfaceIndex)) == NULL) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
if(icbp->EnableIpxWanNegotiation == ADMIN_STATE_ENABLED) {
*IpxwanConfigRequired = 1;
}
else
{
*IpxwanConfigRequired = 0;
}
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
BOOL
RmIsRoute(PUCHAR Network)
{
BOOL rc;
ACQUIRE_DATABASE_LOCK;
if((RouterOperState != OPER_STATE_UP) || LanOnlyMode) {
RELEASE_DATABASE_LOCK;
return FALSE;
}
rc = IsRoute(Network);
RELEASE_DATABASE_LOCK;
return rc;
}
DWORD
RmGetInternalNetNumber(PUCHAR Network)
{
PACB acbp;
ACQUIRE_DATABASE_LOCK;
if((RouterOperState != OPER_STATE_UP) || LanOnlyMode) {
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
if(InternalInterfacep) {
if(acbp = InternalInterfacep->acbp) {
memcpy(Network, acbp->AdapterInfo.Network, 4);
RELEASE_DATABASE_LOCK;
return NO_ERROR;
}
}
RELEASE_DATABASE_LOCK;
return ERROR_CAN_NOT_COMPLETE;
}
//
// This is a function added for pnp reasons so that the
// ipx-related ras server settings could be updated.
//
DWORD RmUpdateIpxcpConfig (PIPXCP_ROUTER_CONFIG_PARAMS pParams) {
DWORD dwErr;
// Validate parameters
if (! pParams)
return ERROR_INVALID_PARAMETER;
// Trace out the new settings
Trace(IPXCPIF_TRACE, "RmUpdateIpxcpConfig: entered: %x %x %x %x",
pParams->ThisMachineOnly, pParams->WanNetDatabaseInitialized,
pParams->EnableGlobalWanNet, *((DWORD*)pParams->GlobalWanNet));
// Update the forwarder's ThisMachineOnly setting
if ((dwErr = FwUpdateConfig(pParams->ThisMachineOnly)) != NO_ERROR)
return dwErr;
return NO_ERROR;
}