mirror of
https://github.com/YunoHost/moulinette.git
synced 2024-09-03 20:06:31 +02:00
179 lines
3.8 KiB
Python
179 lines
3.8 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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from yunohost import YunoHostError, win_msg
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def firewall_allow(protocol=None,port=None,ipv6=None):
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"""
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Allow port in iptables
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Keyword arguments:
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protocol -- Protocol used
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port -- Port to open
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ipv6 -- Boolean ipv6
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Return
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Dict
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"""
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port=int(port)
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if port<65536 and port>0:
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if protocol == "Both":
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update_yml(port,'tcp','a',ipv6)
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update_yml(port,'udp','a',ipv6)
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else:
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update_yml(port,protocol,'a',ipv6)
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win_msg(_("Port successfully openned"))
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else:
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raise YunoHostError(22,_("Port not between 1 and 65535 : ")+port)
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return firewall_reload()
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def firewall_disallow(protocol=None,port=None,ipv6=None):
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"""
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Disallow port in iptables
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Keyword arguments:
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protocol -- Protocol used
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port -- Port to open
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ipv6 -- Boolean ipv6
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Return
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Dict
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"""
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port=int(port)
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if protocol == "Both":
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update_yml(port,'tcp','r',ipv6)
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update_yml(port,'udp','r',ipv6)
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else:
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update_yml(port,protocol,'r',ipv6)
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win_msg(_("Port successfully closed"))
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return firewall_reload()
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def firewall_list():
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"""
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Allow port in iptables
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Keyword arguments:
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None
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Return
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Dict
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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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Reload iptables configuration
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Keyword arguments:
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None
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Return
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Dict
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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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if 22 not in firewall['ipv4']['TCP']:
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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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if 22 not in firewall['ipv6']['TCP']:
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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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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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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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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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os.system ("iptables -P INPUT DROP")
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os.system ("ip6tables -P INPUT DROP")
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win_msg(_("Firewall successfully reloaded"))
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return firewall_list()
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def update_yml(port=None,protocol=None,mode=None,ipv6=None):
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"""
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Update firewall.yml
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Keyword arguments:
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protocol -- Protocol used
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port -- Port to open
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mode -- a=append r=remove
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ipv6 -- Boolean ipv6
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Return
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None
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"""
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if ipv6:
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ip = 'ipv6'
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else:
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ip = 'ipv4'
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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 port not in firewall[ip][protocol]:
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firewall[ip][protocol].append(port)
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else:
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raise YunoHostError(22,_("Port already openned :")+port)
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else:
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if port in firewall[ip][protocol]:
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firewall[ip][protocol].remove(port)
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else:
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raise YunoHostError(22,_("Port already closed :")+port)
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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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