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Mirror setup/restore logic

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This commit is contained in:
Brian May 2015-12-15 13:39:00 +11:00
parent 7362ba9f52
commit 1e81bf3dfc
1 changed files with 8 additions and 9 deletions
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17
sshuttle/firewall.py
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@ -175,21 +175,20 @@ def main(method_name, syslog):
udp = bool(int(udp))
debug2('firewall manager: Got udp: %r\n' % udp)
subnets_v6 = [i for i in subnets if i[0] == socket.AF_INET6]
nslist_v6 = [i for i in nslist if i[0] == socket.AF_INET6]
subnets_v4 = [i for i in subnets if i[0] == socket.AF_INET]
nslist_v4 = [i for i in nslist if i[0] == socket.AF_INET]
try:
debug1('firewall manager: setting up.\n')
subnets_v6 = [i for i in subnets if i[0] == socket.AF_INET6]
nslist_v6 = [i for i in nslist if i[0] == socket.AF_INET6]
if len(subnets_v6) > 0 or len(nslist_v6) > 0:
debug2('firewall manager: setting up IPv6.\n')
method.setup_firewall(
port_v6, dnsport_v6, nslist_v6,
socket.AF_INET6, subnets_v6, udp)
subnets_v4 = [i for i in subnets if i[0] == socket.AF_INET]
nslist_v4 = [i for i in nslist if i[0] == socket.AF_INET]
if len(subnets_v4) > 0 or len(nslist_v4) > 0:
debug2('firewall manager: setting up IPv4.\n')
method.setup_firewall(
@ -227,7 +226,7 @@ def main(method_name, syslog):
pass
try:
if port_v6:
if len(subnets_v6) > 0 or len(nslist_v6) > 0:
debug2('firewall manager: undoing IPv6 changes.\n')
method.restore_firewall(port_v6, socket.AF_INET6, udp)
except:
@ -240,9 +239,9 @@ def main(method_name, syslog):
pass
try:
if port_v4:
if len(subnets_v4) > 0 or len(nslist_v4) > 0:
debug2('firewall manager: undoing IPv4 changes.\n')
method.restore_firewall(port_v4, socket.AF_INET, udp)
method.restore_firewall(port_v4, socket.AF_INET, udp)
except:
try:
debug1("firewall manager: "