HardwareId.cpp

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/*
 * This file is part of ArmarX.
 *
 * Copyright (C) 2011-2016, High Performance Humanoid Technologies (H2T), Karlsruhe Institute of Technology (KIT), all rights reserved.
 *
 * ArmarX is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * ArmarX is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    VisionX::Tools
 * @author     Kai Welke (kai dot welke at kit dot edu)
 * @date       2011
 * @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
 *             GNU General Public License
 */
 
#include "HardwareId.h"
 
 
// *******************************************************
// linux implementation
// *******************************************************
#ifdef __linux__
#include <cerrno>
#include <cstdio>
#include <cstring>
 
#include <net/if.h>
#include <netinet/in.h>
#include <sys/ioctl.h>
#include <unistd.h>
 
namespace visionx
{
    std::string
    tools::getHardwareId()
    {
#ifndef SIOCGIFADDR
        return "00:00:00:00:00:00";
#endif
 
        int fd;
        struct ifreq ifr;
        std::string mac;
 
        // create socket
        fd = socket(AF_INET, SOCK_DGRAM, 0);
        ifr.ifr_addr.sa_family = AF_INET;
        strncpy(ifr.ifr_name, "eth0", IFNAMSIZ - 1);
 
        // retrieve hardware address
        ioctl(fd, SIOCGIFHWADDR, &ifr);
 
        int nError = errno;
 
        if (nError == 19)
        {
            printf("No ethernet adapter found. Using dummy MAC\n");
            mac = "00:00:00:00:00:00";
        }
        else
        {
            char temp[1024];
            sprintf(temp,
                    "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
                    (unsigned char)ifr.ifr_hwaddr.sa_data[0],
                    (unsigned char)ifr.ifr_hwaddr.sa_data[1],
                    (unsigned char)ifr.ifr_hwaddr.sa_data[2],
                    (unsigned char)ifr.ifr_hwaddr.sa_data[3],
                    (unsigned char)ifr.ifr_hwaddr.sa_data[4],
                    (unsigned char)ifr.ifr_hwaddr.sa_data[5]);
 
            mac = temp;
        }
 
        // close socket
        close(fd);
 
        return mac;
    }
#endif /* __linux__ */
 
    // *******************************************************
    // windows implementation
    // *******************************************************
#ifdef __WINDOWS__
#include <Winerror.h>
#include <iphlpapi.h>
#include <winsock2.h>
 
    std::string
    tools::getHardwareId()
    {
 
        std::string mac;
        IP_ADAPTER_INFO AdapterInfo[128];
        DWORD dwBufLen = sizeof(AdapterInfo);
        DWORD dwStatus = GetAdaptersInfo(AdapterInfo, &dwBufLen);
 
        // network card not found
        if (dwStatus != ERROR_SUCCESS)
        {
            return "00:00:00:00:00:00";
        }
 
        PIP_ADAPTER_INFO pAdapterInfo = AdapterInfo;
        char szBuffer[512];
 
        while (pAdapterInfo)
        {
            if (pAdapterInfo->Type == MIB_IF_TYPE_ETHERNET)
            {
                sprintf_s(szBuffer,
                          sizeof(szBuffer),
                          "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
                          pAdapterInfo->Address[0],
                          pAdapterInfo->Address[1],
                          pAdapterInfo->Address[2],
                          pAdapterInfo->Address[3],
                          pAdapterInfo->Address[4],
                          pAdapterInfo->Address[5]);
 
                mac = szBuffer;
                return mac;
            }
 
            pAdapterInfo = pAdapterInfo->Next;
        }
 
        return "00:00:00:00:00:00";
    }
#endif /* __WINDOWS__ */
}