Mengatur port L2TP dan PPTP dari layanan RRAS lokal

Contoh ini mendapatkan dan mengatur konfigurasi port L2TP dan PPTP dari layanan RRAS lokal. Ini mengasumsikan proses panggilan memiliki hak istimewa yang memadai untuk mengakses layanan RRAS lokal.

#include <windows.h>
#include <stdio.h>
#include "mprapi.h"
#include <tchar.h>
#pragma comment(lib, "mprapi.lib")

int __cdecl main(){

    DWORD dwRes = ERROR_SUCCESS;
    PMPR_SERVER_1 pMprServer = NULL;
    MPR_SERVER_1 MprServer;
    MPR_SERVER_HANDLE hMprServer = NULL;

    // Connect to the local RRAS server
    dwRes = MprAdminServerConnect(NULL, &hMprServer);
    if(dwRes != ERROR_SUCCESS){
        //
        //Handle errors here
        //
        return dwRes;
    }

    // Collect L2TP and PPTP port information from local RRAS server
    dwRes = MprAdminServerGetInfo(hMprServer, 1, (LPBYTE*)&pMprServer);
    if(dwRes != ERROR_SUCCESS){
        //
        //Handle errors here
        //
        MprAdminServerDisconnect(hMprServer);
        return dwRes;
    }

    if(!pMprServer->dwL2tpPortFlags)
        wprintf(L"The local machine contains %d L2TP port(s) that is(are) not configured for RRAS.\n", pMprServer->dwNumL2tpPorts);
    else
        wprintf(L"The local machine contains %d L2TP port(s) that is(are) configured for RRAS.\n", pMprServer->dwNumL2tpPorts);

    if(!pMprServer->dwPptpPortFlags)
        wprintf(L"The local machine contains %d PPTP port(s) that is(are) not configured for RRAS.\n", pMprServer->dwNumPptpPorts);
    else
        wprintf(L"The local machine contains %d PPTP port(s) that is(are) configured for RRAS.\n\n", pMprServer->dwNumPptpPorts);

    // Save original L2TP and PPTP configuration info
    MprServer.dwL2tpPortFlags = pMprServer->dwL2tpPortFlags;
    MprServer.dwPptpPortFlags = pMprServer->dwPptpPortFlags;
    MprServer.dwNumL2tpPorts = pMprServer->dwNumL2tpPorts;
    MprServer.dwNumPptpPorts = pMprServer->dwNumPptpPorts;

    // Modify L2TP and PPTP port information on the local RRAS server
    wprintf(L"Disabling RRAS enabled L2TP and PPTP ports on the local system.");
    pMprServer->dwL2tpPortFlags = FALSE;
    pMprServer->dwPptpPortFlags = FALSE;
    dwRes = MprAdminServerSetInfo(hMprServer, 1, (LPBYTE)pMprServer);
    if(dwRes != ERROR_SUCCESS_REBOOT_REQUIRED && dwRes != ERROR_SUCCESS){
        //
        // Handle errors here
        //
        wprintf(L".....ERROR\n");
        MprAdminBufferFree(pMprServer);
        MprAdminServerDisconnect(hMprServer);
        return dwRes;
    }
    wprintf(L".....OK\n");
    
    //Cleanup
    pMprServer->dwL2tpPortFlags = MprServer.dwL2tpPortFlags;
    pMprServer->dwPptpPortFlags = MprServer.dwPptpPortFlags;
    pMprServer->dwNumL2tpPorts = MprServer.dwNumL2tpPorts;
    pMprServer->dwNumPptpPorts = MprServer.dwNumPptpPorts;
    dwRes = MprAdminServerSetInfo(hMprServer, 1, (LPBYTE)pMprServer);
    
    MprAdminBufferFree(pMprServer);
    MprAdminServerDisconnect(hMprServer);
    return dwRes;
}