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error handling

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This commit is contained in:
titoko 2012-12-18 00:28:03 +01:00
parent 03b5e53a5d
commit ad223a6373
1 changed files with 46 additions and 60 deletions
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106
yunohost_firewall.py
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@ -8,6 +8,7 @@ except ImportError:
sys.stderr.write('Error: Yunohost CLI Require yaml lib\n')
sys.stderr.write('apt-get install python-yaml\n')
sys.exit(1)
from yunohost import YunoHostError, win_msg
@ -24,30 +25,22 @@ def firewall_allow(protocol=None,port=None,ipv6=None):
Dict
"""
if ipv6 == True:
ip = 'ipv6'
iptables="ip6tables"
else:
ip = 'ipv4'
iptables="iptables"
if int(port)<65536 and int(port)>0:
if protocol == "Both":
if protocol == "Both":
TCP_rule = iptables+" -A INPUT -p tcp -i eth0 --dport "+ port +" -j ACCEPT"
UDP_rule = iptables+" -A INPUT -p udp -i eth0 --dport "+ port +" -j ACCEPT"
update_yml(port,'tcp','a',ip)
update_yml(port,'udp','a',ip)
os.system(TCP_rule)
os.system(UDP_rule)
update_yml(port,'tcp','a',ipv6)
update_yml(port,'udp','a',ipv6)
else:
rule = iptables+" -A INPUT -p "+ protocol +" -i eth0 --dport "+ port +" -j ACCEPT"
update_yml(port,protocol,'a',ip)
os.system(rule)
win_msg(_("Port successfully openned"))
return firewall_list()
else:
update_yml(port,protocol,'a',ipv6)
win_msg(_("Port successfully openned"))
else:
raise YunoHostError(22,_("Port not between 1 and 65535 : ")+port)
firewall_reload()
return firewall_list()
@ -65,28 +58,14 @@ def firewall_disallow(protocol=None,port=None,ipv6=None):
"""
if ipv6 == True:
ip = 'ipv6'
iptables="ip6tables"
if protocol == "Both":
update_yml(port,'tcp','r',ipv6)
update_yml(port,'udp','r',ipv6)
else:
ip = 'ipv4'
iptables="ip6tables"
if protocol == "Both":
TCP_rule = iptables+" -A INPUT -p tcp -i eth0 --dport "+ port +" -j REJECT"
UDP_rule = iptables+" -A INPUT -p udp -i eth0 --dport "+ port +" -j REJECT"
update_yml(port,'tcp','r',ip)
update_yml(port,'udp','r',ip)
os.system(TCP_rule)
os.system(UDP_rule)
else:
rule = iptables+" -A INPUT -p "+ protocol +" -i eth0 --dport "+ port +" -j REJECT"
update_yml(port,protocol,'r',ip)
os.system(rule)
update_yml(port,protocol,'r',ipv6)
win_msg(_("Port successfully closed"))
firewall_reload()
return firewall_list
@ -111,10 +90,10 @@ def firewall_list():
def firewall_reload():
'''
Reload iptables configuration
Keyword arguments:
None
None
Return
Dict
'''
@ -124,15 +103,15 @@ def firewall_reload():
os.system ("iptables -P INPUT ACCEPT")
os.system ("iptables -F")
os.system ("iptables -X")
os.system ("iptables -A INPUT -p tcp -i eth0 --dport 22 -j ACCEPT")
update_yml('22','TCP','a',False)
if '22' not in firewall['ipv4']['TCP']:
update_yml('22','TCP','a',False)
os.system ("ip6tables -P INPUT ACCEPT")
os.system ("ip6tables -F")
os.system ("ip6tables -X")
os.system ("ip6tables -A INPUT -p tcp -i eth0 --dport 22 -j ACCEPT")
update_yml('22','TCP','a',True)
if '22' not in firewall['ipv6']['TCP']:
update_yml('22','TCP','a',True)
for i,port in enumerate (firewall['ipv4']['TCP']):
os.system ("iptables -A INPUT -p tcp -i eth0 --dport "+ str(port) +" -j ACCEPT")
@ -158,7 +137,7 @@ def firewall_reload():
def update_yml(port=None,protocol=None,mode=None,ip=None):
def update_yml(port=None,protocol=None,mode=None,ipv6=None):
"""
Update firewall.yml
@ -172,22 +151,29 @@ def update_yml(port=None,protocol=None,mode=None,ip=None):
None
"""
if ipv6:
ip = 'ipv6'
else:
ip = 'ipv4'
with open('firewall.yml','r') as f:
firewall = yaml.load(f)
if mode == 'a':
if int(port) not in firewall[ip][protocol]:
firewall[ip][protocol].append(int(port))
print("Port "+port+" on protocol "+protocol+" with "+ip+" Open")
if port not in firewall[ip][protocol]:
firewall[ip][protocol].append(port)
else:
print("Port already open")
raise YunoHostError(22,_("Port already openned")+port)
else:
if int(port) in firewall[ip][protocol]:
firewall[ip][protocol].remove(int(port))
print("Port "+port+" on protocol "+protocol+" with "+ip+" Close")
if port in firewall[ip][protocol]:
firewall[ip][protocol].remove(port)
else:
print("Port already close")
firewall[ip][protocol].sort()
raise YunoHostError(22,_("Port already closed")+port)
firewall[ip][protocol].sort(key=int)
os.system("mv firewall.yml firewall.yml.old")
with open('firewall.yml','w') as f: