Fix grandenet script

 * correctly test if shill was launched with our wrapper
 * writing accept_ra sys parameter with "all" interface doesn't work
 * no need to remove default routes as writing forwarding sys parameter already does it
 * killall doesn't exist on NayuOS

bin/grandenet

@@ -110,7 +110,7 @@ if [[ $(pgrep re6stnet) ]] ; then
     if [ "$stop" == "y" -o "$stop" == "Y" ] ; then
         cleanup
         echo "Killing re6stnet process..."
-        killall re6stnet
+        pkill -x re6stnet -u 0
         echo "Exiting."
         exit 0
     else
@@ -185,8 +185,8 @@ ip6tables-save -t filter > "${configdir}/ip6tables.save"
 cp "${configdir}/ip6tables.save" "${configdir}/current_ip6tables.conf"
 
 # setup shill network manager
-if [[ $( pgrep -a shill | grep ${blacklist_option} ) ]] ; then
-    echo "shill was started with the right blacklist." >> ${logfile}
+if lsof -c shill -a /usr/local/opt/re6st/bin/shill_wrapper &> /dev/null ; then
+    echo "shill was started with our shill wrapper, no need to restart." >> ${logfile}
 else
     read -p "The network manager shill was not started with the right blacklisted devices list. Restart it [Y/n]? " confirm
     if [ "$confirm" != "n" -a "$confirm" != "N" ] ; then
@@ -230,19 +230,14 @@ else
     ip6tables  -A INPUT -p tcp --dport 50005 -j ACCEPT
 fi
 
-sysctl net.ipv6.conf.all.accept_ra=1  >> "${logfile}" 2>&1
+# sysctl net.ipv6.conf.all.accept_ra=1  doesn't work ("all" interface is invalid for accept_ra parameter)
+for x in $(grep -l 2 /proc/sys/net/ipv6/conf/*/accept_ra) ; do
+    echo "echo 1 > $x" >> "${logfile}"
+    echo 1 > $x
+done
+# this will remove any autoconfiguration
 sysctl net.ipv6.conf.all.forwarding=1 >> "${logfile}" 2>&1
 
-defaultroute=$(ip -6 r | grep default)
-if [[ ${defaultroute} != "" ]] ; then
-    echo $defaultroute | while read line
-    do
-        echo -e "Dropping default route: \n\t ${line}"
-        sudo ip -6 route del default
-	echo -e "To restore, run: \n\t ip -6 route add $(echo ${line} | sed 's/expires \S\+//')"
-   done
-fi
-
 echo "re6st will start, it may take a few minutes before beeing usable"
 
 echo "