aurore/aurore-firewall
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Fix masquerade rules

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Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>
This commit is contained in:
ynerant 2021-02-01 16:45:11 +01:00
parent a3fd508d09
commit 9e6e361781
Signed by untrusted user: ynerant
GPG key ID: 3A75C55819C8CF85
1 changed files with 10 additions and 1 deletions
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11
main.py
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@ -119,6 +119,12 @@ class iptables:
if mode == 'all' or mode == '6':
self.add(chain + '6', "-A " + subchainA + " -i " + interface + " -j " + subchainB)
def jump_trafic_from_source(self, chain, ip_source, subchainA, subchainB, mode='all'):
if mode == 'all' or mode == '4':
self.add(chain + '4', "-A " + subchainA + " -s " + ip_source + " -j " + subchainB)
if mode == 'all' or mode == '6':
self.add(chain + '6', "-A " + subchainA + " -i " + ip_source + " -j " + subchainB)
def jump_traficto(self, chain, interface, subchainA, subchainB, mode='all'):
if mode == 'all' or mode == '4':
self.add(chain + '4', "-A " + subchainA + " -o " + interface + " -j " + subchainB)
@ -189,7 +195,6 @@ class iptables:
if self.verbose:
print("Nat : priv" + nat_to_do['name'])
self.nat_prive_ip(nat_to_do)
self.jump_all_trafic("nat", "POSTROUTING", "MASQUERADE")
def routeur(self, table):
"""Methode appellée spécifiquement pour le parefeu v4/v6"""
@ -635,6 +640,10 @@ class iptables:
rule += '-s ' + ip_source + ' -j SNAT --to-source ' + ip_to_nat
self.add_in_subtable("nat4", subtable, rule)
if "masquerade" in nat_type:
for ip_source in nat_type["masquerade"]:
pass # self.jump_trafic_from_source('nat', ip_source, 'POSTROUTING', 'MASQUERADE', '4')
def gen_mangle(self, empty=False):
"""Génération de la chaine mangle"""
self.init_mangle("PREROUTING")