| 0,0 → 1,77 |
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| #/bin/bash |
| # alcasar-dhcp.sh |
| |
| # by Raphaël Pion |
| # This script is distributed under the Gnu General Public License (GPL) |
| |
| # active ou desactive l'option NTP du DHCP sur le réseau de consultation |
| # enable or disable the NTP option of DHCP service on consultation LAN |
| |
| |
| #configuration files |
| SED="/bin/sed -i" |
| CHILLI_CONF_FILE="/etc/chilli.conf" |
| ALCASAR_CONF_FILE="/usr/local/etc/alcasar.conf" |
| |
| #NTP parameters |
| NTP_STATE=$(grep 'DHCP=' $ALCASAR_CONF_FILE | cut -d'=' -f2) |
| CHILLI_NTP_IP=$(grep 'CHILLI_NTP_IP=' $ALCASAR_CONF_FILE | cut -d'=' -f2) |
| |
| usage="Usage: alcasar-chilli_ntp.sh {--on | -on} | {--off | -off} " |
| nb_args=$# |
| args=$1 |
| if [ $nb_args -eq 0 ] |
| then |
| echo "$usage" |
| exit 1 |
| fi |
| case $args in |
| -\? | -h | --h) |
| echo "$usage" |
| exit 0 |
| ;; |
| --off|-off) # disable NTP options over DHCP of coovachilli |
| $SED "s?^CHILLI_NTP_ENABLED.*?CHILLI_NTP_ENABLED=off?g" $ALCASAR_CONF_FILE |
| $SED "s?.*dhcpopt\t.*?#dhcpopt\t\t$CHILLI_NTP_IP?g" $CHILLI_CONF_FILE |
| #/usr/bin/systemctl restart chilli |
| ;; |
| --on|-on) # enable NTP options over DHCP of coovachilli |
| if [ $NTP_STATE == "on" ] |
| then |
| #DHCP Options : rfc2132 |
| #dhcp option value will be convert in hexa. |
| #NTP option (or 'option 42') is like : |
| # |
| # Code Len Address 1 Address 2 |
| # +-----+-----+-----+-----+-----+-----+-----+-----+-- |
| # | 42 | n | a1 | a2 | a3 | a4 | a1 | a2 | ... |
| # +-----+-----+-----+-----+-----+-----+-----+-----+-- |
| # |
| #Code : 42 => 2a |
| #Len : 4 => 04 |
| #Convert CHILLI_NTP_IP into hexadecimal value |
| if [ $CHILLI_NTP_IP != "none" ] |
| then |
| a1=$( printf "%02x\n" $(cat /usr/local/etc/alcasar.conf | grep CHILLI_NTP_IP | cut -d'=' -f2 | cut -d'.' -f1)) |
| a2=$( printf "%02x\n" $(cat /usr/local/etc/alcasar.conf | grep CHILLI_NTP_IP | cut -d'=' -f2 | cut -d'.' -f2)) |
| a3=$( printf "%02x\n" $(cat /usr/local/etc/alcasar.conf | grep CHILLI_NTP_IP | cut -d'=' -f2 | cut -d'.' -f3)) |
| a4=$( printf "%02x\n" $(cat /usr/local/etc/alcasar.conf | grep CHILLI_NTP_IP | cut -d'=' -f2 | cut -d'.' -f4)) |
| HEXA_CHILLI_NTP_IP="2a04$a1$a2$a3$a4" |
| |
| $SED "s?.*dhcpopt.*?dhcpopt\t\t$HEXA_CHILLI_NTP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?^CHILLI_NTP_ENABLED.*?CHILLI_NTP_ENABLED=on?g" $ALCASAR_CONF_FILE |
| /usr/bin/systemctl restart chilli |
| else |
| echo "Vous devez spécifier une addresse IP désignant votre serveur NTP" |
| fi |
| else |
| echo "L'option NTP du DHCP de coovachilli ne peut pas s'activer. En effet le DHCP est 'off' sur ALCASAR" |
| fi |
| ;; |
| *) |
| echo "Argument inconnu :$1"; |
| echo "$usage" |
| exit 1 |
| ;; |
| esac |
| |