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Bug 13734 : after upgrade, dhcp traffic is allowed for all VMs 

reviewed-by: kelven
This commit is contained in:
anthony 2012-08-22 15:31:31 -07:00 committed by Anthony Xu
parent 368f972cc4
commit 0b8e8c9991
1 changed files with 16 additions and 3 deletions
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19
scripts/vm/hypervisor/xenserver/vmops
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@ -402,6 +402,19 @@ def can_bridge_firewall(session, args):
util.pread2(['iptables', '-D', 'FORWARD', '-j', 'RH-Firewall-1-INPUT'])
except:
util.SMlog('Chain BRIDGE-FIREWALL already exists')
try:
util.pread2(['iptables', '-N', 'BRIDGE-DEFAULT-FIREWALL'])
util.pread2(['iptables', '-A', 'BRIDGE-DEFAULT-FIREWALL', '-m', 'state', '--state', 'RELATED,ESTABLISHED', '-j', 'ACCEPT'])
util.pread2(['iptables', '-A', 'BRIDGE-DEFAULT-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '67', '--sport', '68', '-j', 'ACCEPT'])
util.pread2(['iptables', '-A', 'BRIDGE-DEFAULT-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '68', '--sport', '67', '-j', 'ACCEPT'])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '-j', 'BRIDGE-DEFAULT-FIREWALL'])
util.pread2(['iptables', '-D', 'BRIDGE-FIREWALL', '-m', 'state', '--state', 'RELATED,ESTABLISHED', '-j', 'ACCEPT'])
util.pread2(['iptables', '-D', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '67', '--sport', '68', '-j', 'ACCEPT'])
util.pread2(['iptables', '-D', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '-p', 'udp', '--dport', '68', '--sport', '67', '-j', 'ACCEPT'])
except:
util.SMlog('Chain BRIDGE-DEFAULT-FIREWALL already exists')
privnic = get_private_nic(session, args)
result = 'true'
try:
@ -720,7 +733,7 @@ def default_network_rules_systemvm(session, args):
for vif in vifs:
try:
util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', vif, '-j', vmchain])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', vif, '-j', vmchain])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', vif, '-j', vmchain])
util.pread2(['iptables', '-I', vmchain, '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', vif, '-j', 'RETURN'])
except:
util.SMlog("Failed to program default rules")
@ -786,7 +799,7 @@ def default_network_rules(session, args):
try:
for v in vifs:
util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
#don't let vm spoof its ip address
for v in vifs:
@ -889,7 +902,7 @@ def network_rules_for_rebooted_vm(session, vmName):
for v in vifs:
util.pread2(['iptables', '-A', 'BRIDGE-FIREWALL', '-m', 'physdev', '--physdev-is-bridged', '--physdev-out', v, '-j', vmchain_default])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '4', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
util.pread2(['iptables', '-I', 'BRIDGE-FIREWALL', '2', '-m', 'physdev', '--physdev-is-bridged', '--physdev-in', v, '-j', vmchain_default])
#change antispoof rule in vmchain
try: