From d0c34c79069b4160d87f9f7875134f602271979e Mon Sep 17 00:00:00 2001
From: Brandon Smith <vectorcell@gmail.com>
Date: Mon, 10 Aug 2020 23:51:13 -0500
Subject: [PATCH] added send-to, fixed wake-mac

---
 scripts/send-to  | 52 ++++++++++++++++++++++++++++++++++++++++++++++++
 scripts/wake-mac |  6 ++----
 2 files changed, 54 insertions(+), 4 deletions(-)
 create mode 100755 scripts/send-to

diff --git a/scripts/send-to b/scripts/send-to
new file mode 100755
index 0000000..3c16106
--- /dev/null
+++ b/scripts/send-to
@@ -0,0 +1,52 @@
+#!/bin/bash
+
+function usage {
+	echo "USAGE: send-to DEST [PORT] [SUBNET]"
+	echo "    DEST:   hostname of member of secondary network [green, tank, nissan]"
+	echo "    PORT:   port number to send TCP stream to, default 8888 [0-65535]"
+	echo "    SUBNET: subnet of secondary network to use [1, 2]"
+}
+
+DEST=$1
+PORT=$2
+SUBNET=$3
+if [ -z "$DEST" ]; then
+	usage
+	exit 1
+fi
+if [ -z "$PORT" ]; then
+	echo "WARNING: no port specified, assuming 8888" 1>&2
+	PORT=8888
+fi
+if [ -z "$SUBNET" ]; then
+	echo "WARNING: no subnet specified, assuming 1" 1>&2
+	SUBNET=1
+fi
+
+if [ "$DEST" == "green" ]; then
+	IP_1=172.16.1.1
+	IP_2=172.16.2.1
+elif [ "$DEST" == "tank" ]; then
+	IP_1=172.16.1.2
+	IP_2=172.16.2.2
+elif [ "$DEST" == "nissan" ]; then
+	IP_1=172.16.1.3
+	IP_2=172.16.2.3
+else
+	echo "ERROR: hostname $DEST not present in secondary network"
+	usage
+	exit 1
+fi
+
+if [ $SUBNET == 1 ]; then
+	IP=$IP_1
+elif [ $SUBNET == 2 ]; then
+	IP=$IP_2
+else
+	echo "ERROR: subnet $SUBNET not present in secondary network"
+	usage
+	exit 1
+fi
+
+echo nc $IP $PORT
+nc $IP $PORT
diff --git a/scripts/wake-mac b/scripts/wake-mac
index e0ff5ba..0297153 100755
--- a/scripts/wake-mac
+++ b/scripts/wake-mac
@@ -2,12 +2,10 @@
 
 MAC=$1
 
-IFNAME=$(ip a | grep -v "^[[:space:]]" | awk '{print $2}' | tr -d : | grep ^e)
-if [ -z "$IFNAME" ]; then
-	IFNAME=$(ip a | grep -v "^[[:space:]]" | awk '{print $2}' | tr -d : | grep -v ^wg | grep ^w)
-fi
+IFNAME=$(ip r | grep ^default | awk '{print $5}')
 
 if [ -n "$IFNAME" ]; then
+	echo etherwake -i $IFNAME $MAC
 	sudo etherwake -i $IFNAME $MAC
 else
 	echo "unable to determine network interface"