Query the Linux device for its MAC address.

[tinc] / src / linux / device.c

diff --git a/src/linux/device.c b/src/linux/device.c
index cfd99ff..3b384d4 100644 (file)
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -105,6 +105,14 @@ static bool setup_device(void) {
 
        logger(DEBUG_ALWAYS, LOG_INFO, "%s is a %s", device, device_info);
 
+       if(ifr.ifr_flags & IFF_TAP) {
+               struct ifreq ifr_mac;
+               if(!ioctl(device_fd, SIOCGIFHWADDR, &ifr_mac))
+                       memcpy(mymac.x, ifr_mac.ifr_hwaddr.sa_data, ETH_ALEN);
+               else
+                       logger(DEBUG_ALWAYS, LOG_WARNING, "Could not get MAC address of %s: %s", device, strerror(errno));
+       }
+
        return true;
 }