Subversion Repositories ALCASAR

Rev

Rev 1419 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log

Rev Author Line No. Line
838 richard 1 
#/bin/bash
958 franck 2 
# $Id: alcasar-dhcp.sh 1469 2014-10-30 21:58:47Z richard $
838 richard 3 
 
4 
# alcasar-dhcp.sh
5 
# by Rexy
6 
# This script is distributed under the Gnu General Public License (GPL)
7 
 
8 
# active ou desactive le service DHCP sur le réseau de consultation
9 
# enable or disable the DHCP service on consultation LAN
10 
 
11 
SED="/bin/sed -i"
841 richard 12 
CHILLI_CONF_FILE="/etc/chilli.conf"
838 richard 13 
ALCASAR_CONF_FILE="/usr/local/etc/alcasar.conf"
861 richard 14 
DNSMASQ_CONF_FILE="/etc/dnsmasq.conf"
838 richard 15 
 
861 richard 16 
# define DHCP parameters (LAN side)
841 richard 17 
PRIVATE_IP_MASK=`grep PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`
18 
PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`
861 richard 19 
PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2`				# network prefix (ie. 24)
841 richard 20 
PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`
861 richard 21 
PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2`
841 richard 22 
PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2`
861 richard 23 
PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX					# ie.: 192.168.182.0/24
24 
classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2`		# ie.: 2=classe B, 3=classe C
25 
PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2`		# private network broadcast (ie.: 192.168.182.255)
26 
private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`		# last octet of LAN address
27 
private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`		# last octet of LAN broadcast
28 
PRIVATE_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 1`		# First network address (ex.: 192.168.182.1)
29 
PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`	# last network address (ex.: 192.168.182.254)
841 richard 30 
PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX
861 richard 31 
tmp_mask=`echo $PRIVATE_NETWORK_MASK|cut -d"/" -f2`; half_mask=`expr $tmp_mask + 1`	# masque du 1/2 réseau de consultation (ex.: 25)
32 
PRIVATE_STAT_IP=$PRIVATE_NETWORK/$half_mask						# plage des adresses statiques (ex.: 192.168.182.0/25)
33 
private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup`		# dernier octet de l'@ de réseau
34 
private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup`		# dernier octet de l'@ de broadcast
35 
private_plage=`expr $private_broadcast_ending - $private_network_ending + 1`
36 
private_half_plage=`expr $private_plage / 2`
37 
private_dyn=`expr $private_half_plage + $private_network_ending`
38 
private_dyn_ip_network=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`"."$private_dyn"."`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup_sup-5`
39 
PRIVATE_DYN_IP=`echo $private_dyn_ip_network | cut -d"." -f1-4`/$half_mask					# @ réseau (CIDR) de la plage des adresses dynamiques (ex.: 192.168.182.128/25)
40 
private_dyn_ip_ending=`echo $private_dyn_ip_network | cut -d"." -f4`
41 
PRIVATE_DYN_FIRST_IP=`echo $private_dyn_ip_network | cut -d"." -f1-3`"."`expr $private_dyn_ip_ending + 1`	# 1ère adresse de la plage dynamique (ex.: 192.168.182.129)
42 
PRIVATE_DYN_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1`		# dernière adresse de la plage dynamique (ex.: 192.168.182.254)
967 franck 43 
EXT_DHCP_IP=`grep EXT_DHCP_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`				# Adresse du serveur DHCP externe
919 franck 44 
RELAY_DHCP_IP=`grep RELAY_DHCP_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`			# Adresse de l'agent Relay : IP interne (défaut 192.168.182.1) dans le cas de DHCP dans le LAN de consultation
1469 richard 45 
RELAY_DHCP_IP=${RELAY_DHCP_IP:=$PRIVATE_IP}						# IP externe (défaut x.y.z.t) dans le cas de DHCP du côté WAN
916 franck 46 
RELAY_DHCP_PORT=`grep RELAY_DHCP_PORT $ALCASAR_CONF_FILE|cut -d"=" -f2`			# Port de redirection vers le relay DHCP :  67 par défaut
47 
RELAY_DHCP_PORT=${RELAY_DHCP_PORT:=67}
841 richard 48 
 
861 richard 49 
usage="Usage: alcasar-dhcp.sh {--full | -full} | {--off | -off} | {--half | -half}"
838 richard 50 
nb_args=$#
51 
args=$1
52 
if [ $nb_args -eq 0 ]
53 
then
54 
	echo "$usage"
55 
	exit 1
56 
fi
57 
case $args in
861 richard 58 
	-\? | -h | --h)
838 richard 59 
		echo "$usage"
60 
		exit 0
61 
		;;
62 
	--off|-off) # disable DHCP service
861 richard 63 
		$SED "s?.*statip.*?statip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
841 richard 64 
		$SED "s?^#nodynip.*?nodynip?g" $CHILLI_CONF_FILE
861 richard 65 
		$SED "s?^dynip.*?#dynip?g" $CHILLI_CONF_FILE
66 
		$SED "s?^#dynip.*?#dynip?g" $CHILLI_CONF_FILE
838 richard 67 
		$SED "s?^DHCP.*?DHCP=off?g" $ALCASAR_CONF_FILE
1040 franck 68 
		if [ "$EXT_DHCP_IP" != "none" ]
914 franck 69 
		then
1157 stephane 70 
		      $SED "s?.*dhcpgateway\t.*?dhcpgateway\t\t $EXT_DHCP_IP?g" $CHILLI_CONF_FILE
914 franck 71 
		      $SED "s?.*dhcprelayagent.*?dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
1101 franck 72 
		      $SED "s?.*dhcpgatewayport.*?dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
73 
		else
74 
		      $SED "s?.*dhcpgateway.*?#dhcpgateway\t\t$EXT_DHCP_IP?g" $CHILLI_CONF_FILE
75 
		      $SED "s?.*dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
914 franck 76 
		      $SED "s?.*dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
77 
		fi
1419 richard 78 
		/usr/bin/systemctl restart chilli
838 richard 79 
		;;
861 richard 80 
	--full|-full) # enable DHCP service on all range of IP addresses
81 
		$SED "s?^.*statip.*?#statip?g" $CHILLI_CONF_FILE
841 richard 82 
		$SED "s?^nodynip.*?#nodynip?g" $CHILLI_CONF_FILE
861 richard 83 
		$SED "s?^DHCP.*?DHCP=full?g" $ALCASAR_CONF_FILE
84 
		$SED "s?^dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
85 
		$SED "s?^#dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
86 
		$SED "s?^dhcp_range.*?dhcp-range=$PRIVATE_FIRST_IP,$PRIVATE_LAST_IP,$PRIVATE_NETMASK,12h?g" $DNSMASQ_CONF_FILE
1157 stephane 87 
		$SED "s?^dhcpgateway\t.*?#dhcpgateway\t\t $EXT_DHCP_IP?g" $CHILLI_CONF_FILE
914 franck 88 
		$SED "s?^dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
89 
		$SED "s?^dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
90 
		$SED "s?^EXT_DHCP_IP.*?EXT_DHCP_IP=none?g" $ALCASAR_CONF_FILE
91 
		$SED "s?^RELAY_DHCP_IP.*?RELAY_DHCP_IP=none?g" $ALCASAR_CONF_FILE
92 
		$SED "s?^RELAY_DHCP_PORT.*?RELAY_DHCP_PORT=none?g" $ALCASAR_CONF_FILE
1419 richard 93 
		/usr/bin/systemctl restart chilli
841 richard 94 
		;;
861 richard 95 
	--half|-half) # enable DHCP service on half (upper) range of IP addresses
96 
		$SED "s?.*statip.*?statip\t\t$PRIVATE_STAT_IP?g" $CHILLI_CONF_FILE
97 
		$SED "s?^nodynip.*?#nodynip?g" $CHILLI_CONF_FILE
98 
		$SED "s?^DHCP.*?DHCP=half?g" $ALCASAR_CONF_FILE
99 
		$SED "s?^dynip.*?dynip\t\t$PRIVATE_DYN_IP?g" $CHILLI_CONF_FILE
100 
		$SED "s?^#dynip.*?dynip\t\t$PRIVATE_DYN_IP?g" $CHILLI_CONF_FILE
101 
		$SED "s?^dhcp_range.*?dhcp-range=$PRIVATE_DYN_FIRST_IP,$PRIVATE_DYN_LAST_IP,$PRIVATE_NETMASK,12h?g" $DNSMASQ_CONF_FILE
1157 stephane 102 
		$SED "s?^dhcpgateway\t.*?#dhcpgateway\t\t $EXT_DHCP_IP?g" $CHILLI_CONF_FILE
914 franck 103 
		$SED "s?^dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
104 
		$SED "s?^dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
105 
		$SED "s?^EXT_DHCP_IP.*?EXT_DHCP_IP=none?g" $ALCASAR_CONF_FILE
106 
		$SED "s?^RELAY_DHCP_IP.*?RELAY_DHCP_IP=none?g" $ALCASAR_CONF_FILE
107 
		$SED "s?^RELAY_DHCP_PORT.*?RELAY_DHCP_PORT=none?g" $ALCASAR_CONF_FILE
1419 richard 108 
		/usr/bin/systemctl restart chilli
861 richard 109 
		;;
838 richard 110 
	*)
111 
		echo "Argument inconnu :$1";
112 
		echo "$usage"
113 
		exit 1
114 
		;;
115 
esac
116