ローカル RRAS サービスの L2TP ポートと PPTP ポートの設定

この例では、ローカル RRAS サービスの L2TP および PPTP ポート構成を取得および設定します。 呼び出し元プロセスに、ローカル RRAS サービスにアクセスするための十分な特権があることを前提としています。

#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;
}