Have dropbear put SSH server keys in /tmp/userdata/etc/dropbear so th…

…ey persist

This will cause the keys to persist across firmware updates and works regardless of whether you have data on sdcard or internal storage.
There is still a fallback, the S10setup script still makes keys in /etc/dropbear so if something is wrong with /root still will start SSH

package/dropbear/S50dropbear

@@ -9,28 +9,28 @@
 start() {
  	echo -n "Starting dropbear sshd: "
 	# Make sure dropbear directory exists
-	if [ ! -d /etc/dropbear ] ; then
-		mkdir -p /etc/dropbear
+	if [ ! -d /tmp/userdata/etc/dropbear ] ; then
+		mkdir -p /tmp/userdata/etc/dropbear
 	fi
 	# Check for the Dropbear RSA key
-	if [ ! -f /etc/dropbear/dropbear_rsa_host_key ] ; then
+	if [ ! -f /tmp/userdata/etc/dropbear/dropbear_rsa_host_key ] ; then
 		echo -n "generating rsa key... "
-		/usr/bin/dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key > /dev/null 2>&1
+		/usr/bin/dropbearkey -t rsa -f /tmp/userdata/etc/dropbear/dropbear_rsa_host_key > /dev/null 2>&1
 	fi
 
 	# Check for the Dropbear DSS key
-	if [ ! -f /etc/dropbear/dropbear_dss_host_key ] ; then
+	if [ ! -f /tmp/userdata/etc/dropbear/dropbear_dss_host_key ] ; then
 		echo -n "generating dsa key... "
-		/usr/bin/dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key > /dev/null 2>&1
+		/usr/bin/dropbearkey -t dss -f /tmp/userdata/etc/dropbear/dropbear_dss_host_key > /dev/null 2>&1
 	fi
 
         # If one or more keys exist on SDCard, use that instead
 	 HOSTKEYS=""
-        if [ -f /media/sdcard/xbmc-data/etc/dropbear/dropbear_dss_host_key ]; then
-	 HOSTKEYS=" -d /media/sdcard/xbmc-data/etc/dropbear/dropbear_dss_host_key"
+        if [ -f /tmp/userdata/etc/dropbear/dropbear_dss_host_key ]; then
+	 HOSTKEYS=" -d /tmp/userdata/etc/dropbear/dropbear_dss_host_key"
 	fi
-        if [ -f /media/sdcard/xbmc-data/etc/dropbear/dropbear_rsa_host_key ]; then
-         HOSTKEYS="$HOSTKEYS -r /media/sdcard/xbmc-data/etc/dropbear/dropbear_rsa_host_key"
+        if [ -f /tmp/userdata/etc/dropbear/dropbear_rsa_host_key ]; then
+         HOSTKEYS="$HOSTKEYS -r /tmp/userdata/etc/dropbear/dropbear_rsa_host_key"
         fi
 
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