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update/scripts/get_main_ip.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+#Script to return the main useable device IP address of the box, used for main outbound connections.
+#on a LAN, this should match your directadmin.conf lan_ip setting.
+#for normal servers, this will likely return your license IP (usually)
+#Will also be the default IP that exim sends email through.
+OS=`uname`
+if [ "${OS}" = "FreeBSD" ]; then
+	/sbin/ifconfig | grep inet | grep -m1 broadcast | awk '{ print $2; }'
+	RET=$?
+else
+	IP=`/sbin/ip a | grep inet | grep -m1 brd | awk '{ print $2; };' | cut -d/ -f1`
+	RET=$?
+	
+	if [ "${IP}" = "" ]; then
+		#IP=`/sbin/ip a | grep 'inet ' | grep -v 127.0.0.1 | head -n1 | awk '{ print $2; };' | cut -d/ -f1`
+		IP=`ip route get 8.8.8.8 | head -1 | grep -o 'src [^ ]*' | awk '{print $2}'`
+		RET=$?
+	fi
+	echo ${IP}
+fi
+
+exit $RET