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Code Issues Releases Wiki Activity

Ignore invalid BPF filters. Ref #1290.

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This commit is contained in:
grossmj 2018-03-07 21:37:15 +07:00
parent 00e781826b
commit 0fde1cf54a
1 changed files with 15 additions and 5 deletions
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20
gns3server/compute/base_node.py
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@ -25,6 +25,7 @@ import asyncio
import tempfile
import psutil
import platform
import re
from gns3server.utils.interfaces import interfaces
from ..compute.port_manager import PortManager
@ -598,15 +599,24 @@ class BaseNode:
@asyncio.coroutine
def _ubridge_apply_filters(self, bridge_name, filters):
"""
Apply filter like rate limiting
Apply packet filters
:param bridge_name: bridge name in uBridge
:param filters: Array of filter dictionnary
:param filters: Array of filter dictionary
"""
yield from self._ubridge_send('bridge reset_packet_filters ' + bridge_name)
for filter in self._build_filter_list(filters):
cmd = 'bridge add_packet_filter {} {}'.format(bridge_name, filter)
yield from self._ubridge_send(cmd)
for packet_filter in self._build_filter_list(filters):
cmd = 'bridge add_packet_filter {} {}'.format(bridge_name, packet_filter)
try:
yield from self._ubridge_send(cmd)
except UbridgeError as e:
match = re.search("Cannot compile filter '(.*)': syntax error", str(e))
if match:
message = "Warning: ignoring BPF packet filter '{}' due to syntax error".format(self.name, match.group(1))
log.warning(message)
self.project.emit("log.warning", {"message": message})
else:
raise
def _build_filter_list(self, filters):
"""