X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Flinux%2Fdevice.c;h=71fedef6fa0080b19fe5d5cd841f5ea5c12ce80a;hp=cbf215298dd635e8ff1d2cb869c6d93d114e4862;hb=48e513a5a972c18431c593f06ddcee9be4369c77;hpb=d1dcdf8eb6f800704be426b1ce6f6c1a8e65ba0d

diff --git a/src/linux/device.c b/src/linux/device.c
index cbf21529..71fedef6 100644
--- a/src/linux/device.c
+++ b/src/linux/device.c
@@ -94,6 +94,8 @@ static bool setup_device(void) {
 		device_type = DEVICE_TYPE_TUN;
 		device_info = "Linux tun/tap device (tun mode)";
 	} else {
+		if (routing_mode == RMODE_ROUTER)
+			overwrite_mac = true;
 		ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
 		device_type = DEVICE_TYPE_TAP;
 		device_info = "Linux tun/tap device (tap mode)";
@@ -155,6 +157,7 @@ static bool read_packet(vpn_packet_t *packet) {
 				return false;
 			}
 
+			memset(packet->data, 0, 12);
 			packet->len = lenin + 10;
 			break;
 		case DEVICE_TYPE_TAP:
@@ -210,7 +213,7 @@ static bool write_packet(vpn_packet_t *packet) {
 			}
 			break;
 		case DEVICE_TYPE_ETHERTAP:
-			*(short int *)(packet->data - 2) = packet->len;
+			memcpy(packet->data - 2, &packet->len, 2);
 
 			if(write(device_fd, packet->data - 2, packet->len + 2) < 0) {
 				logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,