一、前言

本文主要介绍Linux和Windows下使用C语言获取各种硬件信息，包括CPU序列号、硬盘序列号、网卡信息（包括网卡名字、IP地址、MAC地址、网卡是否插入网线等）。

二、代码实现

Linux下所需包含的头文件

#include <linux/hdreg.h>
#include <fcntl.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <net/if.h>
#include <unistd.h>
#include <sys/io.h>
#include <arpa/inet.h>
#include <string.h>
#include <stdio.h>
#include <sys/ioctl.h>

Windows下所需包含的头文件

#include <iostream>
#include <string>
#include <windows.h>
#include <iphlpapi.h>

2.1 获取CPU序列号

Linux下获取CPU序列号，也就是id，经过实测发现，相同厂家相同型号的CPU的序列号是一样的。

/*** @brief getCpuId     获取Linux下的CPU序列号* @param id     存储获取到的CPU序列号的字符串变量* @return       0：获取成功  其他返回值：获取失败
*/
int getCpuId(char *id)
{unsigned int s1,s2;asm volatile( "movl $0x01,%%eax ; \n\t""xorl %%edx,%%edx ;\n\t""cpuid ;\n\t""movl %%edx , %0;\n\t""movl %%eax , %1;\n\t":"=m"(s1),"=m"(s2));if(0 == s1 && 0 == s2) {return -1;}char cpu_id[32] = {0};sprintf(cpu_id, "%08X-%08X", htonl(s2), htonl(s1));strcpy(id, cpu_id);return 0;
}

Windows下获取CPU序列号，也就是id，经过实测发现，相同厂家相同型号的CPU的序列号是一样的。


/*** @brief GetCpuByCmd     获取windows下的CPU序列号* @param ider            获取到的CPU序列号的字符串变量* @return                true：获取成功  false：获取失败
*/
bool GetCpuByCmd(string &ider)
{//CPU序列号const long MAX_COMMAND_SIZE = 64;                   //命令行输出缓冲大小WCHAR szFetCmd[] = L"wmic cpu get processorid";     //获取CPU序列号命令行const string strEnSearch = "ProcessorId";           //CPU序列号前导信息BOOL bret = FALSE;HANDLE hReadPipe = NULL;                            //读取管道HANDLE hWritePipe = NULL;                           //写入管道PROCESS_INFORMATION pi;                             //进程信息STARTUPINFO si;                                     //控制命令行窗口信息SECURITY_ATTRIBUTES sa;                             //安全属性char szBuffer[MAX_COMMAND_SIZE + 1] = {0};          //放置命令行结果的输出缓存区string strBuffer;unsigned long count = 0;long ipos = 0;memset(&pi , 0 , sizeof(pi));memset(&si , 0 , sizeof(si));memset(&sa , 0 , sizeof(sa));//初始化管道pi.hProcess = NULL;pi.hThread = NULL;si.cb = sizeof(STARTUPINFO);sa.nLength = sizeof(SECURITY_ATTRIBUTES);sa.lpSecurityDescriptor = NULL;sa.bInheritHandle = TRUE;//创建管道bret = CreatePipe(&hReadPipe , &hWritePipe , &sa , 0);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//设置命令行窗口的信息为指定的读写管道GetStartupInfo(&si);si.hStdError = hWritePipe;si.hStdOutput = hWritePipe;si.wShowWindow = SW_HIDE;           //隐藏命令行窗口si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;//创建获取命令行的进程bret = CreateProcess(NULL , szFetCmd , NULL , NULL , TRUE , 0 , NULL , NULL , &si , &pi);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//读取返回的数据WaitForSingleObject(pi.hProcess , 500);bret = ReadFile(hReadPipe , szBuffer , MAX_COMMAND_SIZE , &count , 0);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//查找CPU序列号bret = FALSE;strBuffer = szBuffer;ipos = strBuffer.find(strEnSearch);if(ipos < 0) {    //没有找到CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}else {strBuffer = strBuffer.substr(ipos + strEnSearch.length());}memset(szBuffer , 0x00 , sizeof(szBuffer));strcpy_s(szBuffer , strBuffer.c_str());//去掉中间的空格\r\nchar temp[512];memset(temp , 0 , sizeof(temp));int index = 0;for(size_t i = 0 ; i < strBuffer.size() ; i++) {if(strBuffer[i] != ' ' && strBuffer[i] != '\n' && strBuffer[i] != '\r') {temp[index] = strBuffer[i];index++;}}ider = temp;return true;
}

2.2 获取硬盘序列号

Linux下获取硬盘序列号。

/*** @brief removeBlank  删除字符串中的空格* @param str          需要处理的字符串* @return             无返回值
*/
void removeBlank(char *str)
{char *str_c = str;int i,j=0;for(i=0;str[i]!='\0';i++) {if(str[i]!=' ') {str_c[j++]=str[i];}}str_c[j]='\0';str = str_c;
}/*** @brief getDiskId       获取Linux下的硬盘序列号* @param hd_name         硬盘所在位置 例：/dev/sda* @param id              存储获取到的硬盘序列号的字符串变量* @return                0：获取成功  其他返回值：获取失败
*/
int getDiskId(char *hd_name, char *id)
{struct hd_driveid hid;int fd = open(hd_name,O_RDONLY | O_NONBLOCK);if(fd <0) {perror("open fd");return -1;}if(ioctl(fd,HDIO_GET_IDENTITY,&hid)<0) {perror("ioctl");return -1;}close(fd);char disk_id[32] = {0};sprintf(disk_id, "%s", hid.serial_no);removeBlank(disk_id); //删除字符串中的空格strcpy(id, disk_id);return 0;
}

Windows下获取硬盘序列号。

/*** @brief GetDiskByCmd    获取windows下的硬盘序列号* @param ider            获取到的硬盘序列号的字符串变量* @return                true：获取成功  false：获取失败
*/
bool GetDiskByCmd(string &ider)
{//硬盘序列号const long MAX_COMMAND_SIZE = 64;                          //命令行输出缓冲大小WCHAR szFetCmd[] = L"wmic diskdrive get serialnumber";     //获取CPU序列号命令行const string strEnSearch = "SerialNumber";                 //CPU序列号前导信息BOOL bret = FALSE;HANDLE hReadPipe = NULL;                                   //读取管道HANDLE hWritePipe = NULL;                                  //写入管道PROCESS_INFORMATION pi;                                    //进程信息STARTUPINFO si;                                            //控制命令行窗口信息SECURITY_ATTRIBUTES sa;                                    //安全属性char szBuffer[MAX_COMMAND_SIZE + 1] = {0};                 //放置命令行结果的输出缓存区string strBuffer;unsigned long count = 0;long ipos = 0;memset(&pi, 0, sizeof(pi));memset(&si, 0, sizeof(si));memset(&sa, 0, sizeof(sa));//初始化管道pi.hProcess = NULL;pi.hThread = NULL;si.cb = sizeof(STARTUPINFO);sa.nLength = sizeof(SECURITY_ATTRIBUTES);sa.lpSecurityDescriptor = NULL;sa.bInheritHandle = TRUE;//创建管道bret = CreatePipe(&hReadPipe, &hWritePipe, &sa, 0);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//设置命令行窗口的信息为指定的读写管道GetStartupInfo(&si);si.hStdError = hWritePipe;si.hStdOutput = hWritePipe;si.wShowWindow = SW_HIDE;           //隐藏命令行窗口si.dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;//创建获取命令行的进程bret = CreateProcess(NULL, szFetCmd, NULL, NULL, TRUE, 0, NULL, NULL, &si, &pi);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//读取返回的数据WaitForSingleObject(pi.hProcess , 500);bret = ReadFile(hReadPipe, szBuffer, MAX_COMMAND_SIZE, &count, 0);if(!bret) {CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}//查找CPU序列号bret = FALSE;strBuffer = szBuffer;ipos = strBuffer.find(strEnSearch);if(ipos < 0) {    //没有找到CloseHandle(hWritePipe);CloseHandle(hReadPipe);CloseHandle(pi.hProcess);CloseHandle(pi.hThread);}else {strBuffer = strBuffer.substr(ipos + strEnSearch.length());}memset(szBuffer, 0x00, sizeof(szBuffer));strcpy_s(szBuffer, strBuffer.c_str());//去掉中间的空格\r\nchar temp[512];memset(temp , 0 , sizeof(temp));int index = 0;for(size_t i = 0; i < strBuffer.size(); i++) {if(strBuffer[i] != ' ' && strBuffer[i] != '\n' && strBuffer[i] != '\r') {temp[index] = strBuffer[i];index++;}}ider = temp;return true;
}

2.3 获取网卡信息

Linux下获取网卡信息，包括网卡名字、IP地址、MAC地址、是否已经插入网线等信息。

//网卡信息结构体1
typedef struct __net_iface {int  sum_n;char net_name1[20];char net_name2[20];char net_name3[20];char net_name4[20];char net_name5[20];char net_ip1[16];char net_ip2[16];char net_ip3[16];char net_ip4[16];char net_ip5[16];char net_mac1[32];char net_mac2[32];char net_mac3[32];char net_mac4[32];char net_mac5[32];
}net_iface;//网卡信息结构体2
struct net_iface_1 {struct net_iface_1 *next; //指向下一个网卡信息结构体的地址char net_name[20];          //网卡名字char net_ip[16];            //网卡IP
};/*** @brief get_iface_name 获取网口名字* @param get_iface      OUT 结构体* @return               成功返回1 错误返回负数*/
int get_iface_name(net_iface *get_iface)
{int sock_get_iface;struct ifconf ifc_get_iface;struct ifreq *ifr_get_iface;//初始化 ifconfchar buf[512];ifc_get_iface.ifc_len = 512;ifc_get_iface.ifc_buf = buf;memset(get_iface,0,sizeof(net_iface));sock_get_iface = socket(AF_INET,SOCK_DGRAM,0);if(sock_get_iface < 0) {perror("SOCKET:");return -1;}if(ioctl(sock_get_iface ,SIOCGIFCONF,&ifc_get_iface) < 0) {perror("ioctl");return -1;}ifr_get_iface = (struct ifreq*)buf;get_iface->sum_n = ifc_get_iface.ifc_len/sizeof(struct ifreq);int control_n = 1;for(int i = (ifc_get_iface.ifc_len/sizeof(struct ifreq)); i > 0; i--) {if(strcmp(inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr),"127.0.0.1") == 0) {ifr_get_iface++;get_iface->sum_n--;continue;}else {   switch (control_n) {case 1:strcpy(get_iface->net_name1,ifr_get_iface->ifr_name);strcpy(get_iface->net_ip1,inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));break;case 2:strcpy(get_iface->net_name2,ifr_get_iface->ifr_name);strcpy(get_iface->net_ip2,inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));break;case 3:strcpy(get_iface->net_name3,ifr_get_iface->ifr_name);strcpy(get_iface->net_ip3,inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));break;case 4:strcpy(get_iface->net_name4,ifr_get_iface->ifr_name);strcpy(get_iface->net_ip4,inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));break;case 5:strcpy(get_iface->net_name5,ifr_get_iface->ifr_name);strcpy(get_iface->net_ip5,inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));break;default:break;}}control_n++;ifr_get_iface++;}close(sock_get_iface);return 1;
}/*** @brief getNetMac         获取Linux下的所有网卡MAC序列号(最多五个网卡设备)* @param get_iface         存储网卡信息的结构体* @return                  0：获取成功  其他返回值：获取失败
*/
int getNetMac(net_iface *get_iface)
{int i = 0;int sock;get_iface_name(get_iface);//printf("get_iface->sum_n: %d\n",get_iface->sum_n);for(i=1;i<=get_iface->sum_n;i++) {switch(i) {case 1:if((sock = socket(AF_INET,SOCK_STREAM,0))<0) {perror("socket");return 2;}struct ifreq ifreq1;strcpy(ifreq1.ifr_name,get_iface->net_name1);printf("%s ",ifreq1.ifr_name);if(ioctl(sock,SIOCGIFHWADDR,&ifreq1)<0) {perror("ioctl ");return 3;}sprintf(get_iface->net_mac1,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned char)ifreq1.ifr_hwaddr.sa_data[0],(unsigned char)ifreq1.ifr_hwaddr.sa_data[1],(unsigned char)ifreq1.ifr_hwaddr.sa_data[2],(unsigned char)ifreq1.ifr_hwaddr.sa_data[3],(unsigned char)ifreq1.ifr_hwaddr.sa_data[4],(unsigned char)ifreq1.ifr_hwaddr.sa_data[5]);printf("MAC1: %s\n",get_iface->net_mac1);close(sock);break;case 2:if((sock = socket(AF_INET,SOCK_STREAM,0))<0) {perror("socket");return 2;}struct ifreq ifreq2;strcpy(ifreq2.ifr_name,get_iface->net_name2);printf("%s ",ifreq2.ifr_name);if(ioctl(sock,SIOCGIFHWADDR,&ifreq2)<0) {perror("ioctl ");return 3;}sprintf(get_iface->net_mac2,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned char)ifreq2.ifr_hwaddr.sa_data[0],(unsigned char)ifreq2.ifr_hwaddr.sa_data[1],(unsigned char)ifreq2.ifr_hwaddr.sa_data[2],(unsigned char)ifreq2.ifr_hwaddr.sa_data[3],(unsigned char)ifreq2.ifr_hwaddr.sa_data[4],(unsigned char)ifreq2.ifr_hwaddr.sa_data[5]);printf("MAC2: %s\n",get_iface->net_mac2);close(sock);break;case 3:if((sock = socket(AF_INET,SOCK_STREAM,0))<0) {perror("socket");return 2;}struct ifreq ifreq3;strcpy(ifreq3.ifr_name,get_iface->net_name3);printf("%s ",ifreq3.ifr_name);if(ioctl(sock,SIOCGIFHWADDR,&ifreq3)<0) {perror("ioctl ");return 3;}sprintf(get_iface->net_mac3,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned char)ifreq3.ifr_hwaddr.sa_data[0],(unsigned char)ifreq3.ifr_hwaddr.sa_data[1],(unsigned char)ifreq3.ifr_hwaddr.sa_data[2],(unsigned char)ifreq3.ifr_hwaddr.sa_data[3],(unsigned char)ifreq3.ifr_hwaddr.sa_data[4],(unsigned char)ifreq3.ifr_hwaddr.sa_data[5]);printf("MAC3: %s\n",get_iface->net_mac3);close(sock);break;case 4:if((sock = socket(AF_INET,SOCK_STREAM,0))<0) {perror("socket");return 2;}struct ifreq ifreq4;strcpy(ifreq4.ifr_name,get_iface->net_name4);printf("%s ",ifreq4.ifr_name);if(ioctl(sock,SIOCGIFHWADDR,&ifreq4)<0) {perror("ioctl ");return 3;}sprintf(get_iface->net_mac4,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned char)ifreq4.ifr_hwaddr.sa_data[0],(unsigned char)ifreq4.ifr_hwaddr.sa_data[1],(unsigned char)ifreq4.ifr_hwaddr.sa_data[2],(unsigned char)ifreq4.ifr_hwaddr.sa_data[3],(unsigned char)ifreq4.ifr_hwaddr.sa_data[4],(unsigned char)ifreq4.ifr_hwaddr.sa_data[5]);printf("MAC4: %s\n",get_iface->net_mac4);close(sock);break;case 5:if((sock = socket(AF_INET,SOCK_STREAM,0))<0) {perror("socket");return 2;}struct ifreq ifreq5;strcpy(ifreq5.ifr_name,get_iface->net_name5);printf("%s ",ifreq5.ifr_name);if(ioctl(sock,SIOCGIFHWADDR,&ifreq5)<0) {perror("ioctl ");return 3;}sprintf(get_iface->net_mac5,"%02x:%02x:%02x:%02x:%02x:%02x",(unsigned char)ifreq5.ifr_hwaddr.sa_data[0],(unsigned char)ifreq5.ifr_hwaddr.sa_data[1],(unsigned char)ifreq5.ifr_hwaddr.sa_data[2],(unsigned char)ifreq5.ifr_hwaddr.sa_data[3],(unsigned char)ifreq5.ifr_hwaddr.sa_data[4],(unsigned char)ifreq5.ifr_hwaddr.sa_data[5]);printf("MAC5: %s\n",get_iface->net_mac5);close(sock);break;}}return 0;
}/*** @brief check_nic    检测网卡是否已经插上网线* @param eth_name     IN 网卡名字* @return             0：网卡已插上网线   -1：网卡未插上网线      其他返回值：错误*/
int check_nic(const char *net_name)
{struct ifreq ifr;int skfd = socket(AF_INET, SOCK_DGRAM, 0);if(skfd < 0) {qDebug("socket error: %s [%s]\n", strerror(errno), __FUNCTION__);return -2;}strcpy(ifr.ifr_name, net_name);if(ioctl(skfd, SIOCGIFFLAGS, &ifr) < 0) {close(skfd);return -3;}if(ifr.ifr_flags & IFF_RUNNING) {close(skfd);return 0; //网卡已插上网线}else {close(skfd);return -1;}
}/*** @brief get_iface_info       获取本地所有网卡名字和IP* @param netIface             网卡信息结构体指针，用户自行分配存储空间* @param outBuffLen           netIface分配的存储空间大小，若与实际获取到的数据总大小不一致，则将实际的总大小返回* @return                     0：成功*                             1：outBuffLen与实际获取到的数据总大小不一致，将实际的大小赋值给outBuffLen并返回*                             -1：错误* 使用步骤注意：* 1、malloc申请 netIface 堆内存空间，初始化 outBuffLen 变量的值* 2、调用一次该函数，目的是确定实际outBuffLen的大小* 3、判断返回值，如果返回1，则释放netIface堆内存空间，根据outBuffLen的大小重新分配堆内存空间；*    如果返回0，证明获取网卡信息成功，直接跳过第3、4步* 4、再一次调用该函数，若成功返回，则网卡信息获取完成* 5、遍历获取网卡信息，根据结构体的 next 指针即可遍历指向下一个网卡信息的地址，直到 next 为空*/
int get_iface_info(net_iface_1 *netIface, unsigned int *outBuffLen)
{int sock_get_iface;struct ifconf ifc_get_iface;struct ifreq *ifr_get_iface;//初始化 ifconfchar buf[512];ifc_get_iface.ifc_len = 512;ifc_get_iface.ifc_buf = buf;sock_get_iface = socket(AF_INET,SOCK_DGRAM,0);if(sock_get_iface < 0) {perror("SOCKET:");return -1;}if(ioctl(sock_get_iface ,SIOCGIFCONF,&ifc_get_iface) < 0) {perror("ioctl");return -1;}unsigned int num = (ifc_get_iface.ifc_len/sizeof(struct ifreq)); //网卡个数if(*outBuffLen != num * sizeof(net_iface_1)) {*outBuffLen = num * sizeof(net_iface_1);return 1;}memset(netIface, 0, *outBuffLen);ifr_get_iface = (struct ifreq*)buf;for(unsigned int i=0; i<num; i++) {strcpy(netIface[i].net_name, ifr_get_iface->ifr_name);strcpy(netIface[i].net_ip, inet_ntoa(((struct sockaddr_in*)&(ifr_get_iface->ifr_addr))->sin_addr));if(i == num - 1) {netIface[i].next = NULL;}else {netIface[i].next = netIface + (i + 1);}ifr_get_iface++;}close(sock_get_iface);return 0;
}

Windows下获取网卡信息，包括网卡名字、IP地址、MAC地址、是否已经插入网线等信息。

// 网卡信息结构体
typedef struct _adapter_info {struct _adapter_info *next;             //指向下一个网卡信息结构体的地址char name[MAX_ADAPTER_NAME_LENGTH + 4]; //网卡名字unsigned long index;                    //网卡索引号char ipAddr[16];                        //网卡IP地址char gateway[16];                       //网卡网关char ipMask[16];                        //网卡掩码char macAddr[20];                       //网卡物理地址
}adapterInfo;/*** @brief   getAdaptersInfo             获取网卡（网络适配器）的基本信息* @param   infoList                    获取到的各个网卡（网络适配器）的信息链表* @return  int                         0：成功*                                      1：outBuffLen与实际获取到的数据总大小不一致，将实际的大小赋值给outBuffLen并返回*                                     -1：失败* 使用步骤注意：* 1、malloc申请pInfo堆内存空间，初始化outBuffLen变量的值* 2、调用一次该函数，目的是确定实际outBuffLen的大小* 3、判断返回值，如果返回1，则释放pInfo堆内存空间，根据outBuffLen的大小重新分配堆内存空间；*    如果返回0，证明获取网卡信息成功，直接跳过第3、4步* 4、再一次调用该函数，若成功返回，则网卡信息获取完成* 5、遍历获取网卡信息，根据结构体的next指针即可遍历指向下一个网卡信息的地址，直到next为空*/
int getAdaptersInfo(adapterInfo *pInfo, unsigned int *outBuffLen)
{PIP_ADAPTER_INFO pAdapterInfo;PIP_ADAPTER_INFO pAdapter = NULL;ULONG ulOutBufLen = sizeof(IP_ADAPTER_INFO);pAdapterInfo = (PIP_ADAPTER_INFO)malloc(ulOutBufLen);DWORD dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen); //第一次调用 getAdaptersInfo 获取 ulOutBufLen 的大小if(dwRetVal == ERROR_BUFFER_OVERFLOW) {free(pAdapterInfo);pAdapterInfo = (IP_ADAPTER_INFO *)malloc(ulOutBufLen);dwRetVal = GetAdaptersInfo(pAdapterInfo, &ulOutBufLen);}if(dwRetVal == NO_ERROR) {pAdapter = pAdapterInfo;unsigned int adapterNum = 0;while(pAdapter) {adapterNum++;pAdapter = pAdapter->Next;}if(*outBuffLen != adapterNum * sizeof(adapterInfo)) {*outBuffLen = adapterNum * sizeof(adapterInfo);if(pAdapterInfo != NULL) {free(pAdapterInfo);pAdapterInfo = NULL;pAdapter = NULL;}return 1;}memset(pInfo, 0, *outBuffLen);pAdapter = pAdapterInfo;unsigned int currNum = 0;while(pAdapter) {memcpy(pInfo[currNum].name, pAdapter->AdapterName, sizeof(pAdapter->AdapterName)); //网卡名字pInfo[currNum].index = pAdapter->Index; //网卡索引号memcpy(pInfo[currNum].ipAddr, pAdapter->IpAddressList.IpAddress.String,sizeof(pAdapter->IpAddressList.IpAddress.String)); //网卡IP地址memcpy(pInfo[currNum].gateway, pAdapter->GatewayList.IpAddress.String,sizeof(pAdapter->GatewayList.IpAddress.String)); //网卡网关地址memcpy(pInfo[currNum].ipMask, pAdapter->IpAddressList.IpMask.String,sizeof(pAdapter->IpAddressList.IpMask.String)); //网卡IP地址掩码char macAddr[sizeof(pInfo[currNum].macAddr)];memset(macAddr, 0, sizeof(macAddr));sprintf(macAddr, "%02X-%02X-%02X-%02X-%02X-%02X", pAdapter->Address[0], pAdapter->Address[1],pAdapter->Address[2], pAdapter->Address[3], pAdapter->Address[4], pAdapter->Address[5]);memcpy(pInfo[currNum].macAddr, macAddr, sizeof(macAddr)); //网卡物理地址if(currNum == adapterNum - 1) {pInfo[currNum].next = NULL;}else {pInfo[currNum].next = pInfo + (currNum + 1);}currNum++;pAdapter = pAdapter->Next;}if(pAdapterInfo != NULL) {free(pAdapterInfo);pAdapterInfo = NULL;pAdapter = NULL;}return 0;}else {if(pAdapterInfo != NULL) {free(pAdapterInfo);pAdapterInfo = NULL;}printf("Call to tcpclient_getAdaptersInfo_1 failed.\n");}return -1;
}/*** @brief   getAdapterState             获取网卡（网络适配器）的状态* @param   infoList                    网卡（网络适配器）索引号* @return  int                         0：正常    -1：网卡状态异常    -2：获取网卡状态失败*/
int getAdapterState(unsigned long index)
{MIB_IFROW info;memset(&info, 0, sizeof(MIB_IFROW));info.dwIndex = index;if(GetIfEntry(&info) != NOERROR) {printf("ErrorCode = %d\n", GetLastError());return -2;}if(info.dwOperStatus == IF_OPER_STATUS_NON_OPERATIONAL || //局域网适配器禁用，例如地址冲突info.dwOperStatus == IF_OPER_STATUS_UNREACHABLE || //WAN适配器未连接info.dwOperStatus == IF_OPER_STATUS_DISCONNECTED || //局域网适配器：网线未插入   WAN适配器：无信号info.dwOperStatus == IF_OPER_STATUS_CONNECTING) {return -1;}else if(info.dwOperStatus == IF_OPER_STATUS_OPERATIONAL ||info.dwOperStatus == IF_OPER_STATUS_CONNECTED) {return 0;}
}

附：源代码下载

C语言获取硬件信息（CPU序列号，硬盘序列号，网卡IP、MAC地址、是否插入网线）.zip

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C语言获取硬件信息（CPU序列号，硬盘序列号，网卡IP、MAC地址、是否插入网线）

目录

一、前言

二、代码实现

2.1 获取CPU序列号

2.2 获取硬盘序列号

2.3 获取网卡信息

附：源代码下载

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