mirror of
https://github.com/YunoHost/moulinette.git
synced 2024-09-03 20:06:31 +02:00
147 lines
4.2 KiB
Python
147 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import sys
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try:
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import yaml
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except ImportError:
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sys.stderr.write('Error: Yunohost CLI Require yaml lib\n')
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sys.stderr.write('apt-get install python-yaml\n')
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sys.exit(1)
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def firewall_allow(protocol=None,port=None,ipv6=None):
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if ipv6 == True:
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ip = 'ipv6'
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iptables="ip6tables"
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else:
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ip = 'ipv4'
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iptables="iptables"
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if protocol == "Both":
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TCP_rule = iptables+" -A INPUT -p tcp -i eth0 --dport "+ port +" -j ACCEPT"
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UDP_rule = iptables+" -A INPUT -p udp -i eth0 --dport "+ port +" -j ACCEPT"
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update_yml(port,'tcp','a',ip)
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update_yml(port,'udp','a',ip)
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os.system(TCP_rule)
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os.system(UDP_rule)
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else:
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rule = iptables+" -A INPUT -p "+ protocol +" -i eth0 --dport "+ port +" -j ACCEPT"
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update_yml(port,protocol,'a',ip)
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os.system(rule)
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def firewall_disallow(protocol=None,port=None,ipv6=None):
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if ipv6 == True:
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ip = 'ipv6'
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iptables="ip6tables"
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else:
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ip = 'ipv4'
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iptables="ip6tables"
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if protocol == "Both":
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TCP_rule = iptables+" -A INPUT -p tcp -i eth0 --dport "+ port +" -j REJECT"
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UDP_rule = iptables+" -A INPUT -p udp -i eth0 --dport "+ port +" -j REJECT"
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update_yml(port,'tcp','r',ip)
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update_yml(port,'udp','r',ip)
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os.system(TCP_rule)
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os.system(UDP_rule)
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else:
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rule = iptables+" -A INPUT -p "+ protocol +" -i eth0 --dport "+ port +" -j REJECT"
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update_yml(port,protocol,'r',ip)
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os.system(rule)
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def firewall_list():
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'''
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Parse and display firwall.yml
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'''
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with open ('firewall.yml') as f:
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firewall = yaml.load(f)
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return firewall
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def firewall_reload():
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'''
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Clear filter IPTABLE's table
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Allow SSH
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Parse firewall.yml extract the list of port allowed
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Allow all port in the list
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Prohibit the rest
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'''
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with open('firewall.yml','r') as f:
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firewall = yaml.load(f)
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os.system ("iptables -P INPUT ACCEPT")
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os.system ("iptables -F")
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os.system ("iptables -X")
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os.system ("iptables -A INPUT -p tcp -i eth0 --dport 22 -j ACCEPT")
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update_yml('22','TCP','a',False)
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os.system ("ip6tables -P INPUT ACCEPT")
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os.system ("ip6tables -F")
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os.system ("ip6tables -X")
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os.system ("ip6tables -A INPUT -p tcp -i eth0 --dport 22 -j ACCEPT")
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update_yml('22','TCP','a',True)
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for i,port in enumerate (firewall['ipv4']['TCP']):
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os.system ("iptables -A INPUT -p tcp -i eth0 --dport "+ str(port) +" -j ACCEPT")
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print("Port "+str(port)+" on protocol TCP with ipv4 Open")
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for i,port in enumerate (firewall['ipv4']['UDP']):
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os.system ("iptables -A INPUT -p udp -i eth0 --dport "+ str(port) +" -j ACCEPT")
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print("Port "+str(port)+" on protocol UDP with ipv4 Open")
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for i,port in enumerate (firewall['ipv6']['TCP']):
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os.system ("ip6tables -A INPUT -p tcp -i eth0 --dport "+ str(port) +" -j ACCEPT")
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print("Port "+str(port)+" on protocol TCP with ipv6 Open")
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for i,port in enumerate (firewall['ipv6']['UDP']):
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os.system ("ip6tables -A INPUT -p udp -i eth0 --dport "+ str(port) +" -j ACCEPT")
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print("Port "+str(port)+" on protocol UDP with ipv6 Open")
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os.system ("iptables -P INPUT DROP")
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os.system ("ip6tables -P INPUT DROP")
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def update_yml(port=None,protocol=None,mode=None,ip=None):
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'''
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Append port in firewall.yml
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'''
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with open('firewall.yml','r') as f:
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firewall = yaml.load(f)
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if mode == 'a':
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if int(port) not in firewall[ip][protocol]:
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firewall[ip][protocol].append(int(port))
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print("Port "+port+" on protocol "+protocol+" with "+ip+" Open")
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else:
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print("Port already open")
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else:
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if int(port) in firewall[ip][protocol]:
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firewall[ip][protocol].remove(int(port))
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print("Port "+port+" on protocol "+protocol+" with "+ip+" Close")
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else:
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print("Port already close")
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firewall[ip][protocol].sort()
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os.system("mv firewall.yml firewall.yml.old")
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with open('firewall.yml','w') as f:
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yaml.dump(firewall,f)
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