| 0,0 → 1,90 |
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| #/bin/bash |
| # $Id$ |
| |
| # alcasar-dhcp.sh |
| |
| # by Rexy |
| # This script is distributed under the Gnu General Public License (GPL) |
| |
| # active ou desactive le service DHCP sur le réseau de consultation |
| # enable or disable the DHCP service on consultation LAN |
| |
| SED="/bin/sed -i" |
| CHILLI_CONF_FILE="/etc/chilli.conf" |
| ALCASAR_CONF_FILE="/usr/local/etc/alcasar.conf" |
| DNSMASQ_CONF_FILE="/etc/dnsmasq.conf" |
| |
| # define DHCP parameters (LAN side) |
| PRIVATE_IP_MASK=`grep PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2` |
| PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1` |
| PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2` # network prefix (ie. 24) |
| PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2` |
| PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2` |
| PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2` |
| PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX # ie.: 192.168.182.0/24 |
| classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2` # ie.: 2=classe B, 3=classe C |
| PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2` # private network broadcast (ie.: 192.168.182.255) |
| private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup` # last octet of LAN address |
| private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup` # last octet of LAN broadcast |
| PRIVATE_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 1` # First network address (ex.: 192.168.182.1) |
| PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1` # last network address (ex.: 192.168.182.254) |
| PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX |
| EXT_DHCP_IP=`grep EXT_DHCP_IP $ALCASAR_CONF_FILE|cut -d"=" -f2` # Adresse du serveur DHCP externe |
| RELAY_DHCP_IP=`grep RELAY_DHCP_IP $ALCASAR_CONF_FILE|cut -d"=" -f2` # Adresse de l'agent Relay : IP interne (défaut 192.168.182.1) dans le cas de DHCP dans le LAN de consultation |
| RELAY_DHCP_IP=${RELAY_DHCP_IP:=$PRIVATE_IP} # IP externe (défaut x.y.z.t) dans le cas de DHCP du côté WAN |
| RELAY_DHCP_PORT=`grep RELAY_DHCP_PORT $ALCASAR_CONF_FILE|cut -d"=" -f2` # Port de redirection vers le relay DHCP : 67 par défaut |
| RELAY_DHCP_PORT=${RELAY_DHCP_PORT:=67} |
| |
| usage="Usage: alcasar-dhcp.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 DHCP service |
| $SED "s?.*statip.*?statip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE |
| $SED "s?^#nodynip.*?nodynip?g" $CHILLI_CONF_FILE |
| $SED "s?^dynip.*?#dynip?g" $CHILLI_CONF_FILE |
| $SED "s?^#dynip.*?#dynip?g" $CHILLI_CONF_FILE |
| $SED "s?^DHCP.*?DHCP=off?g" $ALCASAR_CONF_FILE |
| if [ "$EXT_DHCP_IP" != "none" ] |
| then |
| $SED "s?.*dhcpgateway\t.*?dhcpgateway\t\t $EXT_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?.*dhcprelayagent.*?dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?.*dhcpgatewayport.*?dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE |
| else |
| $SED "s?.*dhcpgateway\t.*?#dhcpgateway\t\t$EXT_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?.*dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?.*dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE |
| fi |
| /usr/bin/systemctl restart chilli |
| ;; |
| --on|-on) # enable DHCP service on all range of IP addresses |
| $SED "s?^.*statip.*?#statip?g" $CHILLI_CONF_FILE |
| $SED "s?^nodynip.*?#nodynip?g" $CHILLI_CONF_FILE |
| $SED "s?^DHCP.*?DHCP=on?g" $ALCASAR_CONF_FILE |
| $SED "s?^dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE |
| $SED "s?^#dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE |
| $SED "s?^dhcp_range.*?dhcp-range=$PRIVATE_FIRST_IP,$PRIVATE_LAST_IP,$PRIVATE_NETMASK,12h?g" $DNSMASQ_CONF_FILE |
| $SED "s?^dhcpgateway\t.*?#dhcpgateway\t\t $EXT_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?^dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE |
| $SED "s?^dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE |
| $SED "s?^EXT_DHCP_IP.*?EXT_DHCP_IP=$EXT_DHCP_IP?g" $ALCASAR_CONF_FILE |
| $SED "s?^RELAY_DHCP_IP.*?RELAY_DHCP_IP=$RELAY_DHCP_IP?g" $ALCASAR_CONF_FILE |
| $SED "s?^RELAY_DHCP_PORT.*?RELAY_DHCP_PORT=$RELAY_DHCP_PORT?g" $ALCASAR_CONF_FILE |
| /usr/bin/systemctl restart chilli |
| ;; |
| *) |
| echo "Argument inconnu :$1"; |
| echo "$usage" |
| exit 1 |
| ;; |
| esac |
| |
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