mirror of
https://code.semirocket.science/wrapsix
synced 2024-11-10 08:10:59 +02:00
58 lines
919 B
C
58 lines
919 B
C
#include <sys/ioctl.h>
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#include <net/if.h>
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#include "wrapper.h"
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/*
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* Return the MAC (ie, ethernet hardware) address
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*/
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int get_mac_addr(const char *dev, struct s_mac_addr *addr)
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{
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struct ifreq ifr;
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int s, ret;
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if ((s = socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
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return -1;
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}
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memset(&ifr, 0x00, sizeof(ifr));
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strcpy(ifr.ifr_name, dev);
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if (ioctl(s, SIOCGIFHWADDR, &ifr) == 0) {
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memcpy(addr, &ifr.ifr_hwaddr.sa_data, sizeof(struct s_mac_addr));
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ret = 0;
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}
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else {
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ret = -1;
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}
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close(s);
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return ret;
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}
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/*
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* Return device index
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*/
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int get_dev_index(const char *dev)
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{
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struct ifreq ifr;
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int s;
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memset(&ifr, 0x00, sizeof(ifr));
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if ((s = socket(PF_INET, SOCK_DGRAM, 0)) == -1) {
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return -1;
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}
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strncpy((char *) ifr.ifr_name, dev, IFNAMSIZ);
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if ((ioctl(s, SIOCGIFINDEX, &ifr)) == -1) {
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printf("Error getting Interface index !\n");
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exit(-1);
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}
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close(s);
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return ifr.ifr_ifindex;
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}
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