Nicer script, keep logs but do not show them to end user, show connection...

Nicer script, keep logs but do not show them to end user, show connection state when running script.

net-misc/re6stnet/files/grandenet

@@ -6,6 +6,7 @@ configdir="/home/chronos/user/.re6stconf"
 configfile="${configdir}/re6stnet.conf"
 # shill should not care about these interfaces
 blacklist_option="re6stnet-tcp,re6stnet10,re6stnet9,re6stnet8,re6stnet7,re6stnet6,re6stnet5,re6stnet4,re6stnet3,re6stnet2,re6stnet1,tun0,tun1,tun2"
+logfile="/var/log/grandenet"
 
 # Require script to be run via sudo, but not as root
 if [[ $EUID != 0 ]]; then
@@ -35,7 +36,7 @@ function configure {
     if [[ -f ${configdir} ]] ; then
         echo "A file called ${configdir} has been found and removed."
         rm "${configdir}"
-    elif [[ $(ls -A "${configdir}"/* 2> /dev/null) ]] ; then
+    elif [[ $(ls -A "${configdir}"/* 2> /dev/null ) ]] ; then
         echo "Some files are into ${configdir}. Moving them to directory ${configdir}/old"
         install -d ${configdir}/old && mv "${configdir}"/* "${configdir}/old" 2> /dev/null
     fi
@@ -81,11 +82,36 @@ function configure {
 "
 }
 
+# function to clean up and exit
+cleanup() {
+    echo "
+#################### Cleaning up #################################
+"
+    printf "\nCleaning up and exiting...\n"
+    if [ -r "${configdir}/ip6tables.save" ] ; then
+         echo "Removing changes in ip6tables rules"
+         ip6tables-restore < "${configdir}/ip6tables.save"
+         rm "${configdir}/ip6tables.save"
+         rm "${configdir}/current_ip6tables.conf"
+    fi
+    echo "Stop allowing IPv6 forwarding..."
+}
+
 
-echo "After answering a few questions, you will connect to the Grandenet network, based on re6st, a resilient overlay mesh network providing IPv6."
+echo "Welcome on Grandenet network. It is a resilient overlay mesh network providing IPv6."
 if [[ $(pgrep re6stnet) ]] ; then
-    read -p "re6stnet is already running. Stop it [y/N]? " stop
+    iproute=$(ip -6 r | grep default )
+    if [[ ${iproute} == "" ]] ; then
+        echo -e "        \e[0;33mState: Starting...\e[0m
+        You will soon be part of grandenet network, please, be patient and give it some time to connect!"
+    else
+        echo -e "        \e[0;32mState: Connected.\e[0m You are part of grandenet network.
+        Your default IPv6 route is:
+        ${iproute}"
+    fi
+    read -p "Do you want to leave grandenet network [y/N]? " stop
     if [ "$stop" == "y" -o "$stop" == "Y" ] ; then
+        cleanup
         echo "Killing re6stnet process..."
         killall re6stnet
         # XXX: should only kill other grandenet processes...
@@ -96,6 +122,9 @@ if [[ $(pgrep re6stnet) ]] ; then
     fi
 fi
 
+echo -e "        \e[0;31mState: Not connected.\e[0m
+        After answering a few questions, you will be able to connect."
+
 
 # there may be a configuration already installed
 usefound="n"
@@ -137,7 +166,7 @@ if [ "$usefound" == "n" -o "$usefound" == "N" ]; then
     fi
 fi
 
-# copy the config if needed 
+# copy the config if needed
 if [ "${path}" == "${configdir}" -a -r "${path}/re6stnet.conf" -a -r "${path}/cert.crt" -a -r "${path}/cert.key" -a -r "${path}/ca.crt" ]; then
     echo "Using existing configuration in '${configdir}'."
 elif [ ! -d "$path" ] ; then
@@ -159,28 +188,9 @@ fi
 ip6tables-save > "${configdir}/ip6tables.save"
 cp "${configdir}/ip6tables.save" "${configdir}/current_ip6tables.conf"
 
-# function to clean up and exit
-cleanup() {
-    echo "
-#################### Cleaning up #################################
-"
-    printf "\nCleaning up and exiting...\n"
-    if [ -r "${configdir}/ip6tables.save" ] ; then
-         echo "Removing changes in ip6tables rules"
-         ip6tables-restore < "${configdir}/ip6tables.save"
-         rm "${configdir}/ip6tables.save"
-         rm "${configdir}/current_ip6tables.conf"
-    fi
-    echo "Stop allowing IPv6 forwarding..."
-    sysctl net.ipv6.conf.all.forwarding=0 > /dev/null
-    exit 0
-}
-
-trap cleanup SIGHUP SIGINT SIGTERM
-
 # setup shill network manager
 if [[ $( pgrep -a shill | grep ${blacklist_option} ) ]] ; then
-    echo "shill was started with the right blacklist."
+    echo "shill was started with the right blacklist." >> ${logfile}
 else
     read -p "The network manager shill was not started with the right blacklisted devices list. Restart it [Y/n]? " confirm
     if [ "$confirm" != "n" -a "$confirm" != "N" ] ; then
@@ -223,20 +233,17 @@ else
     ip6tables  -A INPUT -p tcp --dport 50005 -j ACCEPT
 fi
 
-sysctl net.ipv6.conf.all.accept_ra=1
-sysctl net.ipv6.conf.all.forwarding=1
+sysctl net.ipv6.conf.all.accept_ra=1  >> "${logfile}" 2>&1
+sysctl net.ipv6.conf.all.forwarding=1 >> "${logfile}" 2>&1
 
 echo "re6st will start, it may take a few minutes before beeing usable"
-# wait a bit, so the user can see it and the message is not lost among re6st log
-for i in {0..2} ; do
-    sleep 1
-done
-echo ""
 
 echo "
-######################### re6st logs #############################
-"
+
+For debugging purpose, logs will be stored in ${logfile}.
+To stop grandenet, run 'sudo ${0##*/}' command again."
 
 # join re6st network
 cd "${configdir}"
-re6stnet @re6stnet.conf
\ No newline at end of file
+nohup re6stnet @re6stnet.conf >> "${logfile}" 2>&1 &
+