| 597 |
richard |
1 |
#!/bin/sh
|
|
|
2 |
|
|
|
3 |
# alcasar-network.sh
|
|
|
4 |
# by Richard REY
|
|
|
5 |
# This script is distributed under the Gnu General Public License (GPL)
|
|
|
6 |
|
|
|
7 |
# Install network parameters for ALCASAR
|
|
|
8 |
# Installation des paramètres réseau d'ALCASAR
|
|
|
9 |
|
|
|
10 |
# ******* Global *******
|
|
|
11 |
DIR_DEST_ETC="/usr/local/etc" # répertoire des fichiers de conf
|
|
|
12 |
FIC_PARAM="/root/ALCASAR-parameters.txt"
|
|
|
13 |
HOSTNAME="alcasar"
|
|
|
14 |
DOMAIN="localdomain" # domaine local
|
|
|
15 |
EXTIF="eth0" # ETH0 est l'interface connectée à Internet (Box FAI)
|
|
|
16 |
INTIF="eth1" # ETH1 est l'interface connectée au réseau local de consultation
|
|
|
17 |
SED="/bin/sed -i"
|
|
|
18 |
|
|
|
19 |
PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/[012]?[0-9]\b"
|
|
|
20 |
PRIVATE_IP_MASK=`cat $DIR_DEST_ETC/alcasar-network|grep PRIVATE_IP|cut -d"=" -f2`
|
|
|
21 |
check=$(echo $PRIVATE_IP_MASK | egrep $PTN)
|
|
|
22 |
if [[ "$?" -ne 0 ]]
|
|
|
23 |
then
|
|
|
24 |
echo "Syntax error for PRIVATE_IP ($PRIVATE_IP)"
|
|
|
25 |
exit 0
|
|
|
26 |
fi
|
|
|
27 |
PUBLIC_IP_MASK=`cat $DIR_DEST_ETC/alcasar-network|grep PUBLIC_IP|cut -d"=" -f2`
|
|
|
28 |
check=$(echo $PUBLIC_IP_MASK | egrep $PTN)
|
|
|
29 |
if [[ "$?" -ne 0 ]]
|
|
|
30 |
then
|
|
|
31 |
echo "Syntax error for PUBLIC_IP ($PUBLIC_IP)"
|
|
|
32 |
exit 0
|
|
|
33 |
fi
|
|
|
34 |
PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\b"
|
|
|
35 |
PUBLIC_GATEWAY=`cat $DIR_DEST_ETC/alcasar-network|grep GW|cut -d"=" -f2`
|
|
|
36 |
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
|
|
|
37 |
if [[ "$?" -ne 0 ]]
|
|
|
38 |
then
|
|
|
39 |
echo "Syntax error for the Gateway IP ($PUBLIC_GATEWAY)"
|
|
|
40 |
exit 0
|
|
|
41 |
fi
|
|
|
42 |
DNS1=`cat $DIR_DEST_ETC/alcasar-network|grep DNS1|cut -d"=" -f2`
|
|
|
43 |
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
|
|
|
44 |
if [[ "$?" -ne 0 ]]
|
|
|
45 |
then
|
|
|
46 |
echo "Syntax error for the IP address of the first DNS server ($EXT_GATEWAY)"
|
|
|
47 |
exit 0
|
|
|
48 |
fi
|
|
|
49 |
DNS2=`cat $DIR_DEST_ETC/alcasar-network|grep DNS2|cut -d"=" -f2`
|
|
|
50 |
check=$(echo $PUBLIC_GATEWAY | egrep $PTN)
|
|
|
51 |
if [[ "$?" -ne 0 ]]
|
|
|
52 |
then
|
|
|
53 |
echo "Syntax error for the IP address of the second DNS server ($EXT_GATEWAY)"
|
|
|
54 |
exit 0
|
|
|
55 |
fi
|
|
|
56 |
PRIVATE_NETWORK=`/bin/ipcalc -n $PRIVATE_IP_MASK | cut -d"=" -f2` # @ réseau de consultation (ex.: 192.168.182.0)
|
|
|
57 |
private_prefix=`/bin/ipcalc -p $PRIVATE_IP_MASK |cut -d"=" -f2` # prefixe du réseau (ex. 24)
|
|
|
58 |
PRIVATE_NETWORK_MASK=$PRIVATE_NETWORK/$private_prefix # @ + masque du réseau de consult (192.168.182.0/24)
|
|
|
59 |
classe=$((private_prefix/8)); # classe de réseau (ex.: 2=classe B, 3=classe C)
|
|
|
60 |
classe_sup=`expr $classe + 1`
|
|
|
61 |
private_network_ending=`echo $PRIVATE_NETWORK | cut -d"." -f$classe_sup` # dernier octet de l'@ de réseau
|
|
|
62 |
PRIVATE_NETWORK_SHORT=`echo $PRIVATE_NETWORK | cut -d"." -f1-$classe`. # @ compatible hosts.allow et hosts.deny (ex.: 192.168.182.)
|
|
|
63 |
PRIVATE_MASK=`/bin/ipcalc -m $PRIVATE_IP_MASK | cut -d"=" -f2` # masque réseau de consultation (ex.: 255.255.255.0)
|
|
|
64 |
PRIVATE_BROADCAST=`/bin/ipcalc -b $PRIVATE_IP_MASK | cut -d"=" -f2` # @ broadcast réseau de consultation (ex.: 192.168.182.255)
|
|
|
65 |
private_broadcast_ending=`echo $PRIVATE_BROADCAST | cut -d"." -f$classe_sup` # dernier octet de l'@ de broadcast
|
|
|
66 |
PRIVATE_IP=`echo $PRIVATE_IP_MASK | cut -d"/" -f1` # @ip du portail (côté réseau de consultation)
|
|
|
67 |
PRIVATE_DYN_FIRST_IP=`echo $PRIVATE_NETWORK | cut -d"." -f1-3`"."`expr $private_network_ending + 2` # @ip du portail (côté réseau de consultation)
|
|
|
68 |
PRIVATE_DYN_LAST_IP=`echo $PRIVATE_BROADCAST | cut -d"." -f1-3`"."`expr $private_broadcast_ending - 1` # @ip du portail (côté réseau de consultation)
|
|
|
69 |
|
|
|
70 |
# Change in ALCASAR-parameters
|
|
|
71 |
$SED "s?^- WAN IP.*?- WAN IP address ($EXTIF) :\t$PUBLIC_IP_MASK?g" $FIC_PARAM
|
|
|
72 |
$SED "s?^- Gateway.*?- Gateway IP addess :\t$PUBLIC_GATEWAY?g" $FIC_PARAM
|
|
|
73 |
$SED "s?^- DNS servers.*?- DNS servers :\t$DNS1 and $DNS2?g" $FIC_PARAM
|
|
|
74 |
$SED "s?^- LAN IP.*?- LAN IP address ($INTIF) :\t$PRIVATE_IP_MASK?g" $FIC_PARAM
|
|
|
75 |
$SED "s?^- Dynamic.*?- Dynamic IP addresses (DHCP) :\tfrom $PRIVATE_DYN_FIRST_IP to $PRIVATE_DYN_LAST_IP?g" $FIC_PARAM
|
|
|
76 |
# Change in ...
|