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#include <stdint.h>
#include <string.h>
#include <stdlib.h>
int osmo_macaddr_parse(uint8_t *out, const char *in)
{
/* 00:00:00:00:00:00 */
char tmp[18];
char *tok;
unsigned int i = 0;
if (strlen(in) < 17)
return -1;
strncpy(tmp, in, sizeof(tmp)-1);
tmp[sizeof(tmp)-1] = '\0';
for (tok = strtok(tmp, ":"); tok && (i < 6); tok = strtok(NULL, ":")) {
unsigned long ul = strtoul(tok, NULL, 16);
out[i++] = ul & 0xff;
}
return 0;
}
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/ip.h>
int osmo_get_macaddr(uint8_t *mac_out, const char *dev_name)
{
int fd, rc;
struct ifreq ifr;
fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
if (fd < 0)
return fd;
memset(&ifr, 0, sizeof(ifr));
memcpy(&ifr.ifr_name, dev_name, sizeof(ifr.ifr_name));
rc = ioctl(fd, SIOCGIFHWADDR, &ifr);
close(fd);
if (rc < 0)
return rc;
memcpy(mac_out, ifr.ifr_hwaddr.sa_data, 6);
return 0;
}
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