| 838 |
richard |
1 |
#/bin/bash
|
|
|
2 |
# $Id: alcasar-nf.sh 791 2012-01-13 21:31:36Z 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"
|
| 841 |
richard |
15 |
ETHERS_FILE="/usr/local/etc/alcasar-ethers"
|
| 838 |
richard |
16 |
|
| 861 |
richard |
17 |
# define DHCP parameters (LAN side)
|
| 841 |
richard |
18 |
PRIVATE_IP_MASK=`grep PRIVATE_IP $ALCASAR_CONF_FILE|cut -d"=" -f2`
|
|
|
19 |
PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1`
|
| 861 |
richard |
20 |
PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2` # network prefix (ie. 24)
|
| 841 |
richard |
21 |
PRIVATE_NETMASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2`
|
| 861 |
richard |
22 |
PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP $PRIVATE_NETMASK| cut -d"=" -f2`
|
| 841 |
richard |
23 |
PRIVATE_PREFIX=`/bin/ipcalc -p $PRIVATE_IP $PRIVATE_NETMASK |cut -d"=" -f2`
|
| 861 |
richard |
24 |
PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX # ie.: 192.168.182.0/24
|
|
|
25 |
classe=$((PRIVATE_PREFIX/8)); classe_sup=`expr $classe + 1`; classe_sup_sup=`expr $classe + 2` # ie.: 2=classe B, 3=classe C
|
|
|
26 |
PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_NETWORK_MASK | cut -d"=" -f2` # private network broadcast (ie.: 192.168.182.255)
|
|
|
27 |
private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup` # last octet of LAN address
|
|
|
28 |
private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup` # last octet of LAN broadcast
|
|
|
29 |
PRIVATE_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 1` # First network address (ex.: 192.168.182.1)
|
|
|
30 |
PRIVATE_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1` # last network address (ex.: 192.168.182.254)
|
| 841 |
richard |
31 |
PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$PRIVATE_PREFIX
|
| 861 |
richard |
32 |
tmp_mask=`echo $PRIVATE_NETWORK_MASK|cut -d"/" -f2`; half_mask=`expr $tmp_mask + 1` # masque du 1/2 réseau de consultation (ex.: 25)
|
|
|
33 |
PRIVATE_STAT_IP=$PRIVATE_NETWORK/$half_mask # plage des adresses statiques (ex.: 192.168.182.0/25)
|
|
|
34 |
private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup` # dernier octet de l'@ de réseau
|
|
|
35 |
private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup` # dernier octet de l'@ de broadcast
|
|
|
36 |
private_plage=`expr $private_broadcast_ending - $private_network_ending + 1`
|
|
|
37 |
private_half_plage=`expr $private_plage / 2`
|
|
|
38 |
private_dyn=`expr $private_half_plage + $private_network_ending`
|
|
|
39 |
private_dyn_ip_network=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`"."$private_dyn"."`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup_sup-5`
|
|
|
40 |
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)
|
|
|
41 |
private_dyn_ip_ending=`echo $private_dyn_ip_network | cut -d"." -f4`
|
|
|
42 |
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)
|
|
|
43 |
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)
|
| 914 |
franck |
44 |
EXT_DHCP_IP=`grep DHCP_EXT_IP $ALCASAR_CONF_FILE|cut -d"=" -f2` # Adresse du serveur DHCP externe
|
| 916 |
franck |
45 |
RELAY_DHCP_IP=`grep RELAY_DHCP_PORT $ALCASAR_CONF_FILE|cut -d"=" -f2` # Adresse de l'agent Relay : IP interne (défaut 192.168.182.1) dans le cas de DHCP dans le LAN de consultation
|
|
|
46 |
RELAY_DHCP_IP=${RELAY_DHCP_IP:=$PRIVATE_IP} # IP externe (défaut x.y.z.t) dans le cas de DHCP du côté eth0 ( WAN)
|
|
|
47 |
RELAY_DHCP_PORT=`grep RELAY_DHCP_PORT $ALCASAR_CONF_FILE|cut -d"=" -f2` # Port de redirection vers le relay DHCP : 67 par défaut
|
|
|
48 |
RELAY_DHCP_PORT=${RELAY_DHCP_PORT:=67}
|
| 841 |
richard |
49 |
|
| 861 |
richard |
50 |
usage="Usage: alcasar-dhcp.sh {--full | -full} | {--off | -off} | {--half | -half}"
|
| 838 |
richard |
51 |
nb_args=$#
|
|
|
52 |
args=$1
|
|
|
53 |
if [ $nb_args -eq 0 ]
|
|
|
54 |
then
|
|
|
55 |
echo "$usage"
|
|
|
56 |
exit 1
|
|
|
57 |
fi
|
|
|
58 |
case $args in
|
| 861 |
richard |
59 |
-\? | -h | --h)
|
| 838 |
richard |
60 |
echo "$usage"
|
|
|
61 |
exit 0
|
|
|
62 |
;;
|
|
|
63 |
--off|-off) # disable DHCP service
|
| 861 |
richard |
64 |
$SED "s?.*statip.*?statip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
|
| 841 |
richard |
65 |
$SED "s?^#nodynip.*?nodynip?g" $CHILLI_CONF_FILE
|
| 861 |
richard |
66 |
$SED "s?^dynip.*?#dynip?g" $CHILLI_CONF_FILE
|
|
|
67 |
$SED "s?^#dynip.*?#dynip?g" $CHILLI_CONF_FILE
|
| 838 |
richard |
68 |
$SED "s?^DHCP.*?DHCP=off?g" $ALCASAR_CONF_FILE
|
| 914 |
franck |
69 |
if [ $EXT_DHCP_IP != "none" ]
|
|
|
70 |
then
|
|
|
71 |
$SED "s?.*dhcpgateway.*?dhcpgateway\t\t$EXT_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
72 |
$SED "s?.*dhcprelayagent.*?dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
73 |
$SED "s?.*dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
|
|
|
74 |
fi
|
| 838 |
richard |
75 |
/etc/init.d/chilli restart
|
|
|
76 |
;;
|
| 861 |
richard |
77 |
--full|-full) # enable DHCP service on all range of IP addresses
|
|
|
78 |
$SED "s?^.*statip.*?#statip?g" $CHILLI_CONF_FILE
|
| 841 |
richard |
79 |
$SED "s?^nodynip.*?#nodynip?g" $CHILLI_CONF_FILE
|
| 861 |
richard |
80 |
$SED "s?^DHCP.*?DHCP=full?g" $ALCASAR_CONF_FILE
|
|
|
81 |
$SED "s?^dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
|
|
|
82 |
$SED "s?^#dynip.*?dynip\t\t$PRIVATE_NETWORK_MASK?g" $CHILLI_CONF_FILE
|
|
|
83 |
$SED "s?^dhcp_range.*?dhcp-range=$PRIVATE_FIRST_IP,$PRIVATE_LAST_IP,$PRIVATE_NETMASK,12h?g" $DNSMASQ_CONF_FILE
|
| 914 |
franck |
84 |
$SED "s?^dhcpgateway.*?#dhcpgateway\t\t$EXT_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
85 |
$SED "s?^dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
86 |
$SED "s?^dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
|
|
|
87 |
$SED "s?^EXT_DHCP_IP.*?EXT_DHCP_IP=none?g" $ALCASAR_CONF_FILE
|
|
|
88 |
$SED "s?^RELAY_DHCP_IP.*?RELAY_DHCP_IP=none?g" $ALCASAR_CONF_FILE
|
|
|
89 |
$SED "s?^RELAY_DHCP_PORT.*?RELAY_DHCP_PORT=none?g" $ALCASAR_CONF_FILE
|
| 841 |
richard |
90 |
/etc/init.d/chilli restart
|
|
|
91 |
;;
|
| 861 |
richard |
92 |
--half|-half) # enable DHCP service on half (upper) range of IP addresses
|
|
|
93 |
$SED "s?.*statip.*?statip\t\t$PRIVATE_STAT_IP?g" $CHILLI_CONF_FILE
|
|
|
94 |
$SED "s?^nodynip.*?#nodynip?g" $CHILLI_CONF_FILE
|
|
|
95 |
$SED "s?^DHCP.*?DHCP=half?g" $ALCASAR_CONF_FILE
|
|
|
96 |
$SED "s?^dynip.*?dynip\t\t$PRIVATE_DYN_IP?g" $CHILLI_CONF_FILE
|
|
|
97 |
$SED "s?^#dynip.*?dynip\t\t$PRIVATE_DYN_IP?g" $CHILLI_CONF_FILE
|
|
|
98 |
$SED "s?^dhcp_range.*?dhcp-range=$PRIVATE_DYN_FIRST_IP,$PRIVATE_DYN_LAST_IP,$PRIVATE_NETMASK,12h?g" $DNSMASQ_CONF_FILE
|
| 914 |
franck |
99 |
$SED "s?^dhcpgateway.*?#dhcpgateway\t\t$EXT_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
100 |
$SED "s?^dhcprelayagent.*?#dhcprelayagent\t\t$RELAY_DHCP_IP?g" $CHILLI_CONF_FILE
|
|
|
101 |
$SED "s?^dhcpgatewayport.*?#dhcpgatewayport\t\t$RELAY_DHCP_PORT?g" $CHILLI_CONF_FILE
|
|
|
102 |
$SED "s?^EXT_DHCP_IP.*?EXT_DHCP_IP=none?g" $ALCASAR_CONF_FILE
|
|
|
103 |
$SED "s?^RELAY_DHCP_IP.*?RELAY_DHCP_IP=none?g" $ALCASAR_CONF_FILE
|
|
|
104 |
$SED "s?^RELAY_DHCP_PORT.*?RELAY_DHCP_PORT=none?g" $ALCASAR_CONF_FILE
|
| 861 |
richard |
105 |
/etc/init.d/chilli restart
|
|
|
106 |
;;
|
| 838 |
richard |
107 |
*)
|
|
|
108 |
echo "Argument inconnu :$1";
|
|
|
109 |
echo "$usage"
|
|
|
110 |
exit 1
|
|
|
111 |
;;
|
|
|
112 |
esac
|
|
|
113 |
|