You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
73 lines
2.2 KiB
73 lines
2.2 KiB
/*++
|
|
|
|
Copyright (c) 2000, Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
enablerouter.c
|
|
|
|
Abstract:
|
|
|
|
This module implements a system utility for dynamically enabling forwarding
|
|
on Windows 2000 systems using the EnableRouter and UnenableRouter routines.
|
|
|
|
Author:
|
|
|
|
Abolade Gbadegesin (aboladeg) 26-March-1999
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
int __cdecl
|
|
main(
|
|
int argc,
|
|
char* argv[]
|
|
)
|
|
{
|
|
HINSTANCE Hinstance = LoadLibrary("IPHLPAPI.DLL");
|
|
if (!Hinstance) {
|
|
printf("LoadLibrary: %d\n", GetLastError());
|
|
} else {
|
|
DWORD (WINAPI* EnableRouter)(PHANDLE, LPOVERLAPPED) =
|
|
(DWORD (WINAPI*)(PHANDLE, LPOVERLAPPED))
|
|
GetProcAddress(Hinstance, "EnableRouter");
|
|
DWORD (WINAPI* UnenableRouter)(LPOVERLAPPED, LPDWORD) =
|
|
(DWORD (WINAPI*)(LPOVERLAPPED, LPDWORD))
|
|
GetProcAddress(Hinstance, "UnenableRouter");
|
|
if (!EnableRouter || !UnenableRouter) {
|
|
printf("GetProcAddress: %d\n", GetLastError());
|
|
} else {
|
|
DWORD Error;
|
|
HANDLE Handle;
|
|
OVERLAPPED Overlapped;
|
|
DWORD Count;
|
|
ZeroMemory(&Overlapped, sizeof(Overlapped));
|
|
Overlapped.hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
|
if (!Overlapped.hEvent) {
|
|
printf("CreateEvent: %d\n", GetLastError());
|
|
} else {
|
|
Error = EnableRouter(&Handle, &Overlapped);
|
|
if (Error != ERROR_IO_PENDING) {
|
|
printf("EnableRouter: %d\n", Error);
|
|
} else {
|
|
printf("Forwarding is now enabled.");
|
|
printf("Press <Enter> to disable forwarding...");
|
|
getchar();
|
|
Error = UnenableRouter(&Overlapped, &Count);
|
|
if (Error) {
|
|
printf("UnenableRouter: %d\n", Error);
|
|
} else {
|
|
printf("UnenableRouter: %d references left\n", Count);
|
|
}
|
|
CloseHandle(Overlapped.hEvent);
|
|
}
|
|
}
|
|
}
|
|
FreeLibrary(Hinstance);
|
|
}
|
|
return 0;
|
|
}
|