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https://github.com/YunoHost/moulinette.git
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Firewall code sexyness
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Kload
parent
ad4e8e57c2
commit
11c2a78835
1 changed files with 54 additions and 87 deletions
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@ -17,64 +17,66 @@ from yunohost import YunoHostError, win_msg
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def firewall_allow(protocol=None,port=None,ipv6=None,upnp=False):
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def firewall_allow(protocol=None, port=None, ipv6=None, upnp=False):
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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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upnp --Boolean upnp
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port -- Port to open
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ipv6 -- Boolean ipv6
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upnp -- Boolean upnp
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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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port = int(port)
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if (upnp):
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add_portmapping(protocol, upnp, ipv6)
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if port<65536 and port>0:
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if 0 < port < 65536:
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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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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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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 : ")+str(port))
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raise YunoHostError(22, _("Port not between 1 and 65535 : ")+ str(port))
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return firewall_reload(upnp)
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def firewall_disallow(protocol=None,port=None,ipv6=None,upnp=False):
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def firewall_disallow(protocol=None, port=None, ipv6=None, upnp=False):
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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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upnp --Boolan upnp
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port -- Port to open
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ipv6 -- Boolean ipv6
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upnp -- Boolan upnp
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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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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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update_yml(port, protocol, 'r', ipv6)
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win_msg(_("Port successfully closed"))
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return firewall_reload(upnp)
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def firewall_list():
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"""
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Allow port in iptables
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@ -95,60 +97,34 @@ def firewall_reload(upnp=False):
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Reload iptables configuration
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Keyword arguments:
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upnp --Boolean upnp
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upnp -- Boolean upnp
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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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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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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',False)
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update_yml(22, 'TCP', 'a', False)
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add_portmapping('TCP',upnp,False);
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add_portmapping('UDP',upnp,False);
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add_portmapping('TCP',upnp,True);
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add_portmapping('UDP',upnp,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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if upnp:
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add_portmapping(port,'TCP',upnp)
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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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if upnp:
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add_portmapping(port,'UDP',upnp)
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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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if upnp:
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add_portmapping(port,'TCP',upnp)
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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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if upnp:
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add_portmapping(port,'UDP',upnp)"""
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add_portmapping('TCP', upnp, False);
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add_portmapping('UDP', upnp, False);
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add_portmapping('TCP', upnp, True);
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add_portmapping('UDP', upnp, True);
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os.system ("iptables -P INPUT DROP")
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os.system ("ip6tables -P INPUT DROP")
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@ -157,7 +133,8 @@ def firewall_reload(upnp=False):
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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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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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@ -169,12 +146,10 @@ def update_yml(port=None,protocol=None,mode=None,ipv6=None):
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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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if ipv6: ip = 'ipv6'
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else: ip = 'ipv4'
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with open('firewall.yml','r') as f:
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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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@ -182,26 +157,25 @@ def update_yml(port=None,protocol=None,mode=None,ipv6=None):
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firewall[ip][protocol].append(port)
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else:
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raise YunoHostError(22,_("Port already openned :")+str(port))
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raise YunoHostError(22,_("Port already openned :")+ str(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 :")+str(port))
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raise YunoHostError(22,_("Port already closed :")+ str(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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with open('firewall.yml', 'w') as f:
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yaml.dump(firewall, f)
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def add_portmapping(protocol=None,upnp=False,ipv6=None):
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def add_portmapping(protocol=None, upnp=False, ipv6=None):
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"""
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Send a port mapping rules to igd device
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Keyword arguments:
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protocol -- Protocol used
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@ -212,9 +186,9 @@ def add_portmapping(protocol=None,upnp=False,ipv6=None):
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"""
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os.system ("iptables -P INPUT ACCEPT")
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if upnp:
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upnp=miniupnpc.UPnP()
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upnp.discoverdelay=200
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nbigd= upnp.discover()
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upnp = miniupnpc.UPnP()
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upnp.discoverdelay = 200
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nbigd = upnp.discover()
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if nbigd:
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try:
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upnp.selectigd()
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@ -226,27 +200,20 @@ def add_portmapping(protocol=None,upnp=False,ipv6=None):
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raise YunoHostError(22,_("Can't connect to the igd device"))
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# list the redirections :
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i = 0
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for i in (0,100):
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for i in xrange(100):
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p = upnp.getgenericportmapping(i)
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if p==None:
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break
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port=p[0]
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proto=p[1]
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upnp.deleteportmapping(port,proto);
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i += 1
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if p is None: break
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upnp.deleteportmapping(p[0], p[1])
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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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if ipv6: ip = 'ipv6'
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else: 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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for i,port in enumerate (firewall[ip][protocol]):
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os.system ("iptables -A INPUT -p "+ protocol +" -i eth0 --dport "+ str(port) +" -j ACCEPT")
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if upnp:
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upnp.addportmapping(port,protocol,upnp.lanaddr,port,'yunohost firewall : port %u' % port, '')
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upnp.addportmapping(port, protocol, upnp.lanaddr, port, 'yunohost firewall : port %u' % port, '')
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os.system ("iptables -P INPUT DROP")
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