From: Borg <borg@uu3.net>
Date: Sat, 28 Jun 2014 12:33:07 +0000 (+0200)
Subject: Get MAC of TAP device.
X-Git-Tag: release-1.0.25~9
X-Git-Url: https://tinc-vpn.org/git/browse?a=commitdiff_plain;h=16974ec1726d93508bdfa7a6046d4795510f981a;p=tinc

Get MAC of TAP device.

This fixes initial communication problems since
mymac is NOT properly initialized.
---

diff --git a/src/linux/device.c b/src/linux/device.c
index 66e790a5..8d042d21 100644
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -134,6 +134,9 @@ static bool setup_device(void) {
 		iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
 	}
 
+	if(overwrite_mac && !ioctl(device_fd, SIOCGIFHWADDR, &ifr))
+		memcpy(mymac.x, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
 	logger(LOG_INFO, "%s is a %s", device, device_info);
 
 	return true;