获取linux下CPU、网卡、硬盘ID

获取linux下CPU、网卡、硬盘ID

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <net/if.h>
#include <linux/hdreg.h>

static char* get_cpu(char *szCpuId){
    unsigned long s1,s2,s3,s4;
    char string[128];
    char p1[128], p2[128];
    unsigned int eax = 0;
    unsigned int ebx,ecx,edx;
    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)
    );
    sprintf((char *)p1, "%08X%08X", htonl(s2), htonl(s1));
    sprintf(szCpuId, "%c%c %c%c %c%c %c%c %c%c %c%c %c%c %c%c",
         p1[0],p1[1],p1[2],p1[3],p1[4],p1[5],p1[6],p1[7],
         p1[8],p1[9],p1[10],p1[11],p1[12],p1[13],p1[14],p1[15]);
}

int get_mac(char* mac, char* eth0)
{
    struct ifreq tmp;
    int sock_mac;
    char mac_addr[30];
    sock_mac = socket(AF_INET, SOCK_STREAM, 0);
    if( sock_mac == -1){
        sprintf(mac, "create socket fail\n");
        return -1;
    }
    memset(&tmp, 0, sizeof(tmp));
    strncpy(tmp.ifr_name, eth0, strlen(eth0)-2);
    //strncpy(tmp.ifr_name, "eno16777736", sizeof(tmp.ifr_name)-1);

    if((ioctl( sock_mac, SIOCGIFHWADDR, &tmp)) < 0 ){
        sprintf(mac, "mac ioctl error\n");
        return -1;
    }
    sprintf(mac, "%02X:%02X:%02X:%02X:%02X:%02X",
            (unsigned char)tmp.ifr_hwaddr.sa_data[0],
            (unsigned char)tmp.ifr_hwaddr.sa_data[1],
            (unsigned char)tmp.ifr_hwaddr.sa_data[2],
            (unsigned char)tmp.ifr_hwaddr.sa_data[3],
            (unsigned char)tmp.ifr_hwaddr.sa_data[4],
            (unsigned char)tmp.ifr_hwaddr.sa_data[5]
        );
    close(sock_mac);
    return 1;
}
static int getdiskid(char *diskid){
    int fd;
    struct hd_driveid hid;
    fd = open("/dev/sda", O_RDONLY);
    if(fd < 0){
        sprintf(diskid, "%s", "open error");
        return -1;
    }
    if(ioctl(fd, HDIO_GET_IDENTITY, &hid) < 0){
        sprintf(diskid, "%s", "ioctl error");
        return -1;
    }
    close(fd);
    char tmp[sizeof(hid.serial_no)];
    sprintf(tmp,"%s", hid.serial_no);
    int t = sizeof(hid.serial_no) - sizeof(diskid);
    strncpy(diskid, tmp+t, sizeof(tmp));

    return 0;
}

int main(int argc, char* argv[])
{
    char cpuId[50];
    get_cpu(cpuId);
    printf("\nCpuID: %s\n", cpuId);
    char macId[50], eth[20];
    system("ifconfig | head -n 1 | cut -d ' ' -f1 > temp");
    FILE *fp =fopen("temp", "r");
    if(fp == NULL)
        return -1;
    int t = 0;
    while(fscanf(fp, "%c", &eth[t++])!=EOF);
    get_mac(macId, eth);
    printf("MacID: %s\n", macId);
    system("rm -rf temp");
    char diskid[50];
    getdiskid(diskid);
    printf("DiskID: %s\n\n", diskid);
    return 0;
}

获取网卡ID，有其他方法，待修改，，，