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[./gestion/gen_confs/firewall6.py] Ajout d'un debut de support du wifi

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darcs-hash:20100304054430-8fbb1-881857301965b6ac91d8b7096b94a474fdbf2766.gz
This commit is contained in:
Olivier Huber 2010-03-04 06:44:30 +01:00
parent 7111ca761d
commit ac32514c7e
2 changed files with 24 additions and 5 deletions
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27
gestion/gen_confs/firewall6.py
View file

@ -26,7 +26,7 @@ sys.path.append('/usr/scripts/gestion')
from ldap_crans import hostname from ldap_crans import hostname
from config import conf_fw, mid, prefix, role, file_pickle, open_ports from config import conf_fw, mid, prefix, role, file_pickle, open_ports
from config import authorized_icmpv6 from config import authorized_icmpv6, mac_wifi
from ipt import * from ipt import *
# On invoque Ip6tables # On invoque Ip6tables
@ -94,6 +94,12 @@ def basic_fw():
ip6tables.filter.input('-p icmpv6 -m icmp6 --icmpv6-type \ ip6tables.filter.input('-p icmpv6 -m icmp6 --icmpv6-type \
router-advertisement -j DROP') router-advertisement -j DROP')
# XXX Code spécifique pour le wifi, peut être pas la manière la plus
# élégante, mais peut être la plus pratique
if hostname in role.keys() and ('wifi-router' not in role[hostname]):
ip6tables.filter.ieui64('-i %s -s %s -m mac --mac-source %s -j RETURN'
% (iface6('fil'), prefix['wifi'][0], mac_wifi))
# Correspondance MAC-IP # Correspondance MAC-IP
mac_ip(ip6tables, machines, ['fil', 'fil-v6', 'adm']) mac_ip(ip6tables, machines, ['fil', 'fil-v6', 'adm'])
@ -126,13 +132,15 @@ def main_router():
ip6tables.filter.forward('-m conntrack --ctstate RELATED,ESTABLISHED -j \ ip6tables.filter.forward('-m conntrack --ctstate RELATED,ESTABLISHED -j \
ACCEPT') ACCEPT')
# Pour les autres connections # Pour les autres connections
for type_m in [i for i in ['fil', 'fil-v6'] if not 'v6' in i]: for type_m in [i for i in ['fil', 'fil-v6'] if not 'v6' in i]:
ip6tables.filter.mac('-s %s -j %s' % (prefix[type_m][0], 'MAC' + ip6tables.filter.mac('-s %s -j %s' % (prefix[type_m][0], 'MAC' +
type_m.upper())) type_m.upper()))
ip6tables.filter.forward('-i %s -j MAC' % dev_crans) ip6tables.filter.forward('-i %s -j MAC' % dev_crans)
ip6tables.filter.forward('-i %s -j FEUI64' % dev_crans) ip6tables.filter.forward('-i %s -j FEUI64' % dev_crans)
ip6tables.filter.feui64('-s %s -m mac --mac-source %s -j RETURN' %
(prefix['wifi'][0], mac_wifi))
ip6tables.filter.feui64('-s %s -m eui64 -j RETURN' % prefix['fil'][0]) ip6tables.filter.feui64('-s %s -m eui64 -j RETURN' % prefix['fil'][0])
ip6tables.filter.feui64('-j DROP') ip6tables.filter.feui64('-j DROP')
@ -164,16 +172,25 @@ def wifi_router():
# Stop aux RA # Stop aux RA
ip6tables.filter.forward('-p icmpv6 -m icmp6 --icmpv6-type \ ip6tables.filter.forward('-p icmpv6 -m icmp6 --icmpv6-type \
router-advertisement -j DROP') router-advertisement -j DROP')
# Un peu moche, mais il faut supprimer les dernière règles dans IEUI64
# avant de rajouter la règle pour les machines wifi.
l = len(ip6tables.filter.ieui64.items)
del ip6tables.filter.ieui64.items[l-1]
del ip6tables.filter.ieui64.items[l-2]
mac_ip(ip6tables, machines, ['wifi', 'wifi-v6']) mac_ip(ip6tables, machines, ['wifi', 'wifi-v6'])
for type_m in [i for i in ['fil', 'fil-v6', 'wifi', 'wifi-v6'] liste_net = ['fil', 'fil-v6', 'wifi', 'wifi-v6']
if not 'v6' in i]: for type_m in [i for i in liste_net if not 'v6' in i]:
ip6tables.filter.mac('-s %s -j %s' % (prefix[type_m][0], 'MAC' + ip6tables.filter.mac('-s %s -j %s' % (prefix[type_m][0], 'MAC' +
type_m.upper())) type_m.upper()))
ip6tables.filter.feui64('-s %s -m eui64 -j RETURN' ip6tables.filter.feui64('-s %s -m eui64 -j RETURN'
% prefix[type_m][0]) % prefix[type_m][0])
ip6tables.filter.feui64('-j DROP')
ip6tables.filter.forward('-m conntrack --ctstate RELATED,ESTABLISHED -j \
ACCEPT')
ip6tables.filter.forward('-j MAC') ip6tables.filter.forward('-j MAC')
ip6tables.filter.forward('-j FEUI64') ip6tables.filter.forward('-j FEUI64')

2
gestion/ipt.py
View file

@ -88,6 +88,8 @@ class Table(object):
self.macfil = Chain() self.macfil = Chain()
self.macfilv6 = Chain() self.macfilv6 = Chain()
self.macadm = Chain() self.macadm = Chain()
self.macwifi = Chain()
self.macwifiv6 = Chain()
self.extfil = Chain() self.extfil = Chain()
self.extfilv6 = Chain() self.extfilv6 = Chain()
self.extwifi = Chain() self.extwifi = Chain()