From f174a865a944f477110354f2aaa4b2836490f150 Mon Sep 17 00:00:00 2001
From: Nico Geyso <nico.geyso@fu-berlin.de>
Date: Wed, 4 Feb 2015 11:49:52 +0100
Subject: [PATCH] olsrd: remove 6and4 backward compatibility

---
 olsrd/files/olsrd.init | 66 ++++++------------------------------------
 1 file changed, 9 insertions(+), 57 deletions(-)

diff --git a/olsrd/files/olsrd.init b/olsrd/files/olsrd.init
index 5bee27a..4e74095 100644
--- a/olsrd/files/olsrd.init
+++ b/olsrd/files/olsrd.init
@@ -15,9 +15,6 @@ OLSRD_INTERFACE_DEFAULTS_SCHEMA='AutoDetectChanges:bool'
 T='	'
 N='
 '
-#6and4: backward compatibility - it MUST be different from /etc/init.d/olsrd6 PID variable
-PID6=/var/run/olsrd6and4.pid
-
 log() {
 	logger -t olsrd -p daemon.info -s "${initscript}: $@"
 }
@@ -26,10 +23,6 @@ error() {
         logger -t olsrd -p daemon.err -s "${initscript}: ERROR: $@"
 }
 
-warn() {
-        logger -t olsrd -p daemon.warn -s "${initscript}: WARNING: $@"
-}
-
 validate_varname() {
 	local varname="$1"
 	[ -z "$varname" -o "$varname" != "${varname%%[!A-Za-z0-9_]*}" ] && return 1
@@ -792,53 +785,16 @@ start() {
 
 	[ -z "$OLSRD_CONFIG_FILE" ] && return 1
 
-	#6and4: backward compatibility
-	local bindv6only='0'
-	if [ "$OLSRD_IPVERSION_6AND4" -ne 0 ]; then
-	        warn "IpVersion 6and4 is deprecated and will be removed in future!"
-		warn "You must use /etc/config/olsrd and /etc/init.d/olsrd for IPv4"
-		warn " /etc/config/olsrd6 and /etc/init.d/olsrd6 for IPv6"
-
-		bindv6only="$(sysctl -n net.ipv6.bindv6only)"
-		sysctl -w net.ipv6.bindv6only=1 > /dev/null
-		sed -e '/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/d' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv6
-		sed -e 's/^IpVersion[ ][ ]*6$/IpVersion 4/' -e 's/^\t\t[A-Fa-f0-9.:]*[:][A-Fa-f0-9.:]*[ ][0-9]*$//' < "$OLSRD_CONFIG_FILE" > /var/etc/olsrd.conf.ipv4
-		rm $OLSRD_CONFIG_FILE
-
-		# some filenames should get the suffix .ipv6
-		for file in $latlon_file $hosts_file $services_file $resolv_file $macs_file $wd_file;do
-			f=$(echo $file|sed 's/\//\\\//g')
-			sed -i "s/$f/$f.ipv6/g" /var/etc/olsrd.conf.ipv6
-		done
-
-		SERVICE_PID_FILE="$PID6"
-		if service_check /usr/sbin/olsrd; then
-			error "there is already an IPv6 instance of olsrd running (pid: '$(cat $PID6)'), not starting."
-		else
-			service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv6 -nofork
-		fi
-
-		SERVICE_PID_FILE="$PID"
-		if service_check /usr/sbin/olsrd; then
-			error "there is already an IPv4 instance of olsrd running (pid: '$(cat $PID)'), not starting."
-		else
-			service_start /usr/sbin/olsrd -f /var/etc/olsrd.conf.ipv4 -nofork
-		fi
-
-		sleep 3
-		sysctl -w net.ipv6.bindv6only="$bindv6only" > /dev/null
+	SERVICE_PID_FILE="$PID"
+	if service_check /usr/sbin/olsrd; then
+		error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
+		return 1
 	else
-		SERVICE_PID_FILE="$PID"
-		if service_check /usr/sbin/olsrd; then
-			error "there is already an instance of $UCI_CONF_NAME running (pid: '$(cat $PID)'), not starting."
-			return 1
-		else
-			service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
-			sleep 1
-			service_check /usr/sbin/olsrd || {
-				log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
-			}
-		fi
+		service_start /usr/sbin/olsrd -f "$OLSRD_CONFIG_FILE" -nofork
+		sleep 1
+		service_check /usr/sbin/olsrd || {
+			log "startup-error: check via: '/usr/sbin/olsrd -f \"$OLSRD_CONFIG_FILE\" -nofork'"
+		}
 	fi
 
 	olsrd_setup_smartgw_rules
@@ -847,8 +803,4 @@ start() {
 stop() {
 	SERVICE_PID_FILE="$PID"
 	service_stop /usr/sbin/olsrd
-
-	#6and4: backward compatibility
-	SERVICE_PID_FILE="$PID6"
-	service_stop /usr/sbin/olsrd
 }