693 lines
16 KiB
C++
693 lines
16 KiB
C++
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#include "precomp.h"
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#include <malloc.h>
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#include <ssdp.h>
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#include <iptypes.h>
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#include <iphlpapi.h>
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#include <mswsock.h>
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#ifdef IP_OBEX
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#define Trace1 DbgPrint
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GUID gWsMobilityServiceClassGuid = NLA_SERVICE_CLASS_GUID;
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#define MAX_ADDRESSES (16)
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typedef struct _NLA_ADDRESS_LIST {
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LONG AddressCount;
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sockaddr_in Address[MAX_ADDRESSES];
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} NLA_ADDRESS_LIST, *PNLA_ADDRESS_LIST;
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BOOL
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GetIpAddressFromAdapterName(
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CHAR *AdapterName,
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ULONG *IpAddress
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);
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VOID
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AddressListChangeHandler(
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DWORD Error,
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DWORD BytesTransfered,
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LPWSAOVERLAPPED WsOverLapped,
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DWORD Flags
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);
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DWORD
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NetWorkWorker(
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PVOID Context
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);
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typedef struct _ADDRESS_ENTRY {
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in_addr IpAddress;
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PVOID AddressContext;
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HANDLE SsdpHandle;
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BOOL InUse;
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BOOL Present;
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BOOL Reported;
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CHAR AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];
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NLA_CONNECTIVITY_TYPE Type;
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} ADDRESS_ENTRY, *PADDRESS_ENTRY;
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typedef struct _NET_CONTROL {
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LONG ReferenceCount;
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BOOL Closing;
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HANDLE QueryHandle;
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WSAOVERLAPPED WsOverlapped;
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HANDLE RegistrationContext;
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NEW_ADDRESS_CALLBACK NewAddressCallback;
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ADDRESS_GONE_CALLBACK AddressGoneCallback;
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ADDRESS_ENTRY AddressEntry[MAX_ADDRESSES];
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} NET_CONTROL, *PNET_CONTROL;
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VOID
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GetAddressList(
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PNET_CONTROL NetControl,
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HANDLE QueryHandle
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);
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VOID
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RemoveReferenceOnNetControl(
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PNET_CONTROL NetControl
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)
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{
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LONG CurrentCount;
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CurrentCount=InterlockedDecrement(&NetControl->ReferenceCount);
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if (CurrentCount == 0) {
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HeapFree(GetProcessHeap(),0,NetControl);
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}
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return;
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}
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VOID
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UnRegisterForAdhocNetworksNotification(
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HANDLE RegistrationHandle
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)
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{
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PNET_CONTROL NetControl=(PNET_CONTROL)RegistrationHandle;
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NetControl->Closing=TRUE;
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WSALookupServiceEnd(NetControl->QueryHandle);
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RemoveReferenceOnNetControl(NetControl);
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return;
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}
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HANDLE
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RegisterForAdhocNetworksNotification(
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HANDLE RegistrationContext,
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NEW_ADDRESS_CALLBACK NewAddressCallback,
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ADDRESS_GONE_CALLBACK AddressGoneCallback
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)
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{
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PNET_CONTROL NetControl=NULL;
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WORD wVersionRequested;
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WSADATA wsaData;
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int err;
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BOOL bResult;
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int j;
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LONG Status;
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NetControl=(PNET_CONTROL)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(*NetControl));
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if (NetControl == NULL) {
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goto CleanUp;
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}
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NetControl->NewAddressCallback=NewAddressCallback;
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NetControl->AddressGoneCallback=AddressGoneCallback;
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NetControl->RegistrationContext=RegistrationContext;
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for (j=0; j< MAX_ADDRESSES; j++) {
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NetControl->AddressEntry[j].InUse=FALSE;
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}
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WSAQUERYSET restrictions;
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ZeroMemory(&restrictions, sizeof(restrictions));
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restrictions.dwSize = sizeof(restrictions);
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restrictions.lpServiceClassId = &gWsMobilityServiceClassGuid;
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restrictions.dwNameSpace = NS_NLA;
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Status = WSALookupServiceBegin(
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&restrictions,
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LUP_NOCONTAINERS | LUP_RETURN_ALL | LUP_DEEP ,
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&NetControl->QueryHandle
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);
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if (Status != ERROR_SUCCESS) {
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goto CleanUp;
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}
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//
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// one refcount for the creation of the object
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//
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NetControl->ReferenceCount=1;
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//
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// add one refcount for the workitem
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//
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InterlockedIncrement(&NetControl->ReferenceCount);
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bResult=QueueUserWorkItem(
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NetWorkWorker,
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NetControl,
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WT_EXECUTEINIOTHREAD
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);
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if (bResult) {
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return NetControl;
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}
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CleanUp:
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if (NetControl != NULL) {
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HeapFree(GetProcessHeap(),0,NetControl);
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}
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return NULL;
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}
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DWORD
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NetWorkWorker(
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PVOID Context
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)
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{
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PNET_CONTROL NetControl=(PNET_CONTROL)Context;
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int err;
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DWORD BytesReturned;
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BOOL bResult;
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GetAddressList(NetControl,NetControl->QueryHandle);
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ZeroMemory(&NetControl->WsOverlapped,sizeof(NetControl->WsOverlapped));
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NetControl->WsOverlapped.hEvent=NetControl;
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WSACOMPLETION Completion;
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Completion.Type=NSP_NOTIFY_APC;
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Completion.Parameters.Apc.lpOverlapped=&NetControl->WsOverlapped;
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Completion.Parameters.Apc.lpfnCompletionProc=AddressListChangeHandler;
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err=WSANSPIoctl(
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NetControl->QueryHandle,
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SIO_NSP_NOTIFY_CHANGE,
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NULL,
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0,
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NULL,
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0,
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&BytesReturned,
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&Completion
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);
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if (err == SOCKET_ERROR) {
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if (WSAGetLastError() != WSA_IO_PENDING) {
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//
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// the call failed and return value was not pending
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//
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RemoveReferenceOnNetControl(NetControl);
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}
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}
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return 0;
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}
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VOID
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AddressListChangeHandler(
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DWORD Error,
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DWORD BytesTransfered,
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LPWSAOVERLAPPED WsOverlapped,
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DWORD Flags
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)
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{
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PNET_CONTROL NetControl=(PNET_CONTROL)WsOverlapped->hEvent;
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if (!NetControl->Closing) {
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NetWorkWorker(
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NetControl
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);
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} else {
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//
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// we are closing, remove all the addresses
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//
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ULONG i;
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for (i=0; i< MAX_ADDRESSES; i++) {
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//
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// See if any address disappeared
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//
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if (NetControl->AddressEntry[i].InUse) {
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//
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// was in use at one time
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//
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if (NetControl->AddressEntry[i].Reported) {
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DbgPrint("IRMON: removing address %s\n",inet_ntoa(NetControl->AddressEntry[i].IpAddress));
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(NetControl->AddressGoneCallback)(
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NetControl->RegistrationContext,
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NetControl->AddressEntry[i].AddressContext
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);
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UnregisterWithSsdp(
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NetControl->AddressEntry[i].SsdpHandle
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);
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ZeroMemory(&NetControl->AddressEntry[i],sizeof(NetControl->AddressEntry[i]));
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}
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}
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}
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RemoveReferenceOnNetControl(NetControl);
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}
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return;
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}
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VOID
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AddAddressToList(
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PNET_CONTROL NetControl,
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CHAR *AdapterName,
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in_addr IpAddress,
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NLA_CONNECTIVITY_TYPE Type
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)
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{
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ULONG j;
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ULONG i;
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LONG FreeSlot;
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BOOL bResult;
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for (j=0; j< MAX_ADDRESSES; j++) {
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if (NetControl->AddressEntry[j].InUse) {
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// if (NetControl->AddressEntry[j].IpAddress.S_un.S_addr == IpAddress.S_un.S_addr) {
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if (0 == lstrcmpA(AdapterName,NetControl->AddressEntry[j].AdapterName)) {
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//
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// we have already seen this address
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//
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DbgPrint("net: dup local address %s\n",inet_ntoa(IpAddress));
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NetControl->AddressEntry[j].Present=TRUE;
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break;
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}
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} else {
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FreeSlot=j;
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}
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}
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if (j == MAX_ADDRESSES) {
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//
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// we have a new address
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//
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SOCKET ListenSocket;
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NetControl->AddressEntry[FreeSlot].InUse=TRUE;
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NetControl->AddressEntry[FreeSlot].Present=TRUE;
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NetControl->AddressEntry[FreeSlot].IpAddress = IpAddress;
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lstrcpyA(NetControl->AddressEntry[FreeSlot].AdapterName,AdapterName);
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NetControl->AddressEntry[FreeSlot].Type=Type;
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if (((IpAddress.S_un.S_addr != INADDR_NONE) && (IpAddress.S_un.S_addr != 0)) &&
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((Type == NLA_NETWORK_AD_HOC)
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(Type == NLA_NETWORK_UNMANAGED))) {
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NetControl->AddressEntry[FreeSlot].Reported=TRUE;
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bResult=RegisterWithSsdp(
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&IpAddress,
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&ListenSocket,
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&NetControl->AddressEntry[FreeSlot].SsdpHandle,
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650
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);
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if (!bResult) {
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DbgPrint("IRMON: failed to register with ssdp\n");
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NetControl->AddressEntry[FreeSlot].Reported=FALSE;
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} else {
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(NetControl->NewAddressCallback)(
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NetControl->RegistrationContext,
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ListenSocket,
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&NetControl->AddressEntry[FreeSlot].AddressContext
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);
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}
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}
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}
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return;
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}
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VOID
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RemoveAddressFromList(
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PNET_CONTROL NetControl,
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CHAR *AdapterName
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)
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{
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ULONG i;
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for (i=0; i< MAX_ADDRESSES; i++) {
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//
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// See if any address disappeared
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//
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if (NetControl->AddressEntry[i].InUse) {
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//
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// was in use at one time
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//
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if (0 == lstrcmpA(AdapterName,NetControl->AddressEntry[i].AdapterName)) {
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//
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// This matched the device that is being removed
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//
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if (NetControl->AddressEntry[i].Reported) {
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//
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// this one was reported to the client
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//
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DbgPrint("IRMON: removing address %s\n",inet_ntoa(NetControl->AddressEntry[i].IpAddress));
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(NetControl->AddressGoneCallback)(
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NetControl->RegistrationContext,
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NetControl->AddressEntry[i].AddressContext
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);
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UnregisterWithSsdp(
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NetControl->AddressEntry[i].SsdpHandle
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);
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}
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ZeroMemory(&NetControl->AddressEntry[i],sizeof(NetControl->AddressEntry[i]));
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}
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}
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}
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|
return;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
VOID
|
||
|
|
GetAddressList(
|
||
|
|
PNET_CONTROL NetControl,
|
||
|
|
HANDLE QueryHandle
|
||
|
|
)
|
||
|
|
|
||
|
|
{
|
||
|
|
|
||
|
|
int ret = FALSE;
|
||
|
|
WSADATA wsaData;
|
||
|
|
|
||
|
|
PWSAQUERYSET result = NULL;
|
||
|
|
DWORD length;
|
||
|
|
DWORD LengthRequested;
|
||
|
|
int error;
|
||
|
|
|
||
|
|
ret = TRUE;
|
||
|
|
|
||
|
|
|
||
|
|
while (1) {
|
||
|
|
|
||
|
|
length = 0;
|
||
|
|
WSALookupServiceNext(QueryHandle, 0, &length, NULL);
|
||
|
|
|
||
|
|
if (((error = WSAGetLastError()) != WSAEFAULT) && (error != WSA_E_NO_MORE)) {
|
||
|
|
Trace1("WSALookupServiceNext1 failed %d\n", error);
|
||
|
|
ret = FALSE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
result = (PWSAQUERYSET)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,length);
|
||
|
|
|
||
|
|
if (result != NULL) {
|
||
|
|
|
||
|
|
LengthRequested=length;
|
||
|
|
|
||
|
|
ret = WSALookupServiceNext(QueryHandle, 0, &length, result);
|
||
|
|
|
||
|
|
if (ret == ERROR_SUCCESS) {
|
||
|
|
|
||
|
|
if (result->lpBlob != NULL) {
|
||
|
|
|
||
|
|
NLA_BLOB *blob = (NLA_BLOB *)result->lpBlob->pBlobData;
|
||
|
|
int next;
|
||
|
|
IN_ADDR IpAddress;
|
||
|
|
NLA_CONNECTIVITY_TYPE ConnectivityType=NLA_NETWORK_UNKNOWN;
|
||
|
|
CHAR AdapterName[MAX_ADAPTER_NAME_LENGTH + 4];
|
||
|
|
|
||
|
|
AdapterName[0]='\0';
|
||
|
|
IpAddress.S_un.S_addr=INADDR_NONE;
|
||
|
|
|
||
|
|
do {
|
||
|
|
// The next four lines need changing when network interface type is implemented
|
||
|
|
|
||
|
|
DbgPrint("NLA: Blob type %d\n",blob->header.type);
|
||
|
|
|
||
|
|
if (blob->header.type == NLA_CONNECTIVITY) {
|
||
|
|
|
||
|
|
DbgPrint("NLA: connectivity=%d, Internet=%d\n",blob->data.connectivity.type,blob->data.connectivity.internet);
|
||
|
|
ConnectivityType=blob->data.connectivity.type;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if (blob->header.type == NLA_INTERFACE) {
|
||
|
|
|
||
|
|
DbgPrint("NLA: adapter name %s, speed %d\n",blob->data.interfaceData.adapterName,blob->data.interfaceData.dwSpeed);
|
||
|
|
GetIpAddressFromAdapterName(blob->data.interfaceData.adapterName,&IpAddress.S_un.S_addr);
|
||
|
|
lstrcpynA(AdapterName,blob->data.interfaceData.adapterName,sizeof(AdapterName)-1);
|
||
|
|
}
|
||
|
|
|
||
|
|
next = blob->header.nextOffset;
|
||
|
|
blob = (NLA_BLOB *)(((char *)blob) + next);
|
||
|
|
|
||
|
|
} while(next != 0);
|
||
|
|
|
||
|
|
if (AdapterName[0] != '\0') {
|
||
|
|
//
|
||
|
|
// we got an adapter name
|
||
|
|
//
|
||
|
|
if (result->dwOutputFlags & RESULT_IS_ADDED) {
|
||
|
|
//
|
||
|
|
// new interface
|
||
|
|
//
|
||
|
|
DbgPrint("NLA: add\n");
|
||
|
|
|
||
|
|
AddAddressToList(
|
||
|
|
NetControl,
|
||
|
|
AdapterName,
|
||
|
|
IpAddress,
|
||
|
|
ConnectivityType
|
||
|
|
);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if (result->dwOutputFlags & RESULT_IS_DELETED) {
|
||
|
|
|
||
|
|
DbgPrint("NLA: delete\n");
|
||
|
|
|
||
|
|
RemoveAddressFromList(
|
||
|
|
NetControl,
|
||
|
|
AdapterName
|
||
|
|
);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if (result->dwOutputFlags & RESULT_IS_CHANGED) {
|
||
|
|
|
||
|
|
DbgPrint("NLA: change\n");
|
||
|
|
|
||
|
|
RemoveAddressFromList(
|
||
|
|
NetControl,
|
||
|
|
AdapterName
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
AddAddressToList(
|
||
|
|
NetControl,
|
||
|
|
AdapterName,
|
||
|
|
IpAddress,
|
||
|
|
ConnectivityType
|
||
|
|
);
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
DbgPrint("NLA: other dwOutputFlags %x\n",result->dwOutputFlags);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
if ((error = WSAGetLastError()) != WSA_E_NO_MORE) {
|
||
|
|
Trace1("WSALookupServiceNext failed %d, needed=%d, req=%d\n", error,length, LengthRequested);
|
||
|
|
ret = FALSE;
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
HeapFree(GetProcessHeap(),0,result);
|
||
|
|
result=NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
GetIpAddressFromAdapterName(
|
||
|
|
CHAR *AdapterName,
|
||
|
|
ULONG *IpAddress
|
||
|
|
)
|
||
|
|
|
||
|
|
{
|
||
|
|
|
||
|
|
PIP_ADAPTER_INFO AdapterInfo;
|
||
|
|
PIP_ADAPTER_INFO CurrentAdapter;
|
||
|
|
ULONG BufferNeeded;
|
||
|
|
DWORD ReturnValue;
|
||
|
|
BOOL bReturn=FALSE;
|
||
|
|
|
||
|
|
BufferNeeded=0;
|
||
|
|
|
||
|
|
// DbgPrint("irmon: GetIpAddressFromAdapterName\n");
|
||
|
|
|
||
|
|
ReturnValue=GetAdaptersInfo(
|
||
|
|
NULL,
|
||
|
|
&BufferNeeded
|
||
|
|
);
|
||
|
|
|
||
|
|
if (ReturnValue != ERROR_BUFFER_OVERFLOW) {
|
||
|
|
//
|
||
|
|
// failed for some other reason
|
||
|
|
//
|
||
|
|
DbgPrint("irmon: GetAdaptersInfo(1) failed\n");
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
AdapterInfo=(PIP_ADAPTER_INFO)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,BufferNeeded);
|
||
|
|
|
||
|
|
if (AdapterInfo != NULL) {
|
||
|
|
|
||
|
|
ReturnValue=GetAdaptersInfo(
|
||
|
|
AdapterInfo,
|
||
|
|
&BufferNeeded
|
||
|
|
);
|
||
|
|
|
||
|
|
if (ReturnValue == ERROR_SUCCESS) {
|
||
|
|
|
||
|
|
CurrentAdapter=AdapterInfo;
|
||
|
|
|
||
|
|
while (CurrentAdapter != NULL) {
|
||
|
|
|
||
|
|
int Match;
|
||
|
|
|
||
|
|
// DbgPrint("IRMON: comp AdapterName=%s, comp=%s\n",AdapterName,CurrentAdapter->AdapterName);
|
||
|
|
|
||
|
|
Match=lstrcmpiA(AdapterName,CurrentAdapter->AdapterName);
|
||
|
|
|
||
|
|
if (Match == 0) {
|
||
|
|
|
||
|
|
DbgPrint("IRMON: match AdapterName=%s, ip=%s\n",CurrentAdapter->AdapterName,CurrentAdapter->IpAddressList.IpAddress.String);
|
||
|
|
|
||
|
|
*IpAddress=inet_addr(&CurrentAdapter->IpAddressList.IpAddress.String[0]);
|
||
|
|
|
||
|
|
if (*IpAddress != INADDR_NONE) {
|
||
|
|
|
||
|
|
bReturn=TRUE;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// DbgPrint("IRMON: mismatch AdapterName=%s, comp=%s\n",AdapterName,CurrentAdapter->AdapterName);
|
||
|
|
}
|
||
|
|
|
||
|
|
CurrentAdapter=CurrentAdapter->Next;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
|
||
|
|
DbgPrint("irmon: GetAdaptersInfo(2) failed\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
HeapFree(GetProcessHeap(),0,AdapterInfo);
|
||
|
|
AdapterInfo=NULL;
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
DbgPrint("irmon: allocation failed\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return bReturn;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif //ip_obex
|