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ciscoconfparse_patch.py
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ciscoconfparse_patch.py
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#!/usr/bin/python2
# -*- coding: utf-8 -*-
'''
@author: Martin Dubé
@organization: GoSecure
@contact: mdube@gosecure.ca
@license: GPLv3
Copyright (c) 2016, GoSecure
This file is part of cisco2checkpoint project.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import re
from collections import Iterator
from ciscoconfparse import models_cisco
from ciscoconfparse import models_asa
import ciscoconfparse.ciscoconfparse as ccp
##
##------------- ASA and IOS supported protocols, operators and port names
##
_PORT_SIMPLE_OP = 'eq|neq|lt|gt'
_PORT_NAMES = r'aol|bgp|chargen|cifs|citrix-ica|cmd|ctiqbe|daytime'\
'|discard|domain|echo|exec|finger|tftp|ftp-data|ftp|gopher'\
'|h323|hostname|https|http|ident|imap4|irc|kerberos|klogin'\
'|kshell|ldaps|ldap|login|lotusnotes|lpd|netbios-ssn|nfs'\
'|nntp|ntp|pcanywhere-data|pim-auto-rp|pop2|pop3|pptp|rsh'\
'|rtsp|sip|smtps|smtp|sqlnet|ssh|sunrpc|tacacs|talk|telnet|uucp'\
'|whois|www|netbios-ns|netbios-dgm|netbios-ss|snmptrap|snmp'\
'|syslog|isakmp|bootps|bootpc|radius|\d+'
_ACL_PROTOCOLS = 'ip|tcp|udp|icmp|ahp|ah|eigrp|esp|gre|igmp|igrp|ipinip|ipsec'\
'|ospf|pcp|pim|pptp|snp|\d+'
_ACL_ICMP_PROTOCOLS = 'alternate-address|conversion-error|echo-reply|echo'\
'|information-reply|information-request|mask-reply'\
'|mask-request|mobile-redirect|parameter-problem|redirect'\
'|router-advertisement|router-solicitation|source-quench'\
'|time-exceeded|timestamp-reply|timestamp-request|traceroute'\
'|unreachable'
_ACL_LOGLEVELS = r'alerts|critical|debugging|emergencies|errors'\
'|informational|notifications|warnings|[0-7]'
_IP_PROTO = 'tcp|udp|tcp-udp'
##
##------------- Extension of an ASA object network
##
##
##------------- ASA name
##
_RE_NAMEOBJECT_STR = r'''(?: # Non-capturing parentesis
# Valid values
# name 1.2.3.4
# name 1.2.3.4 host1
# name 1.2.3.4 host1 description bla bla bla
#
(^name
\s+(?P<addr>\d+\.\d+\.\d+\.\d+)
(?:\s+(?P<name>\S+))
(?:\s+description\s+(?P<desc>.+)$)?
)
)
'''
_RE_NAMEOBJECT = re.compile(_RE_NAMEOBJECT_STR, re.VERBOSE)
class ASAName(models_asa.ASACfgLine):
def __init__(self, *args, **kwargs):
"""Accept an ASA line number and initialize family relationship
attributes"""
super(ASAName, self).__init__(*args, **kwargs)
mm = _RE_NAMEOBJECT.search(self.text)
if not (mm is None):
self._mm_results = mm.groupdict() # All regex match results
else:
print self.text
raise ValueError
self.name = self._mm_results['name']
self.addr = self._mm_results['addr']
self.desc = self._mm_results['desc']
@classmethod
def is_object_for(cls, line="", re=re):
if 'name ' in line[0:5].lower():
return True
return False
@property
def result_dict(self):
mm_r = self._mm_results
retval = dict()
retval['name'] = self._mm_results['name']
retval['addr'] = self._mm_results['addr']
retval['desc'] = self._mm_results['desc']
return retval
_RE_ASA_NETOBJ_CHILD_STR = r"""(?:
(^\s+description(?P<description0>.+)$)
|(^\s+host\s+(?P<host1>\S+)$)
|(^\s+subnet\s+(?P<subnet2>\d+\.\d+\.\d+\.\d+)\s+(?P<mask2>\d+\.\d+\.\d+\.\d+)$)
|(^\s+range\s+(?P<range_low3>\d+\.\d+\.\d+\.\d+)\s+(?P<range_high3>\d+\.\d+\.\d+\.\d+)$)
)
"""
_RE_ASA_NETOBJ_CHILD = re.compile(_RE_ASA_NETOBJ_CHILD_STR, re.VERBOSE)
class ASAObjNetwork(models_asa.ASAObjNetwork):
@property
def name(self):
retval = self.re_match_typed(r'^\s*object\snetwork\s+(\S.+)$',
result_type=str, default='')
return retval
@property
def description(self):
regex = r"(^\s+description(?P<description0>.+)$)"
retval = self.re_match_iter_typed(regex,
result_type=str, default='')
return retval
@property
def result_dict(self):
retval = dict()
for obj in self.children:
## Parse out 'service' and 'description' lines
mm = _RE_ASA_NETOBJ_CHILD.search(obj.text)
if not (mm is None):
mm_r = mm.groupdict()
else:
mm_r = dict()
# host...
if mm_r.get('host1',None):
retval['net_method'] = 'host'
retval['ipaddr'] = mm_r['host1']
retval['mask'] = '255.255.255.255'
elif mm_r.get('subnet2',None):
retval['net_method'] = 'subnet'
retval['ipaddr'] = mm_r['subnet2']
retval['mask'] = mm_r['mask2']
elif mm_r.get('range_low3',None):
retval['net_method'] = 'range'
retval['ipaddr_low'] = mm_r['range_low3']
retval['ipaddr_high'] = mm_r['range_high3']
# description
elif mm_r.get('description0',None):
retval['description'] = mm_r['description0']
else:
raise NotImplementedError("Cannot parse '{0}'".format(obj.text))
return retval
##
##------------- Extension of an ASA object service
##
_RE_ASA_SVCOBJ_CHILD_STR = r"""(?: # Non-capturing parentesis
# example:
# service tcp source range 1 65535 destination range 49152 65535
# service tcp source eq bgp destination eq 53
(^\s+description(?P<description0>.+))
|(^\s+service
\s+(?P<protocol1>{0})
(?:\s+source
(?: # source port
(?:\s+
(?P<src_port_op1>{1})
\s+(?P<src_port1>(?:(?:{2})\s?)+)
)
|(?:\s+range\s+(?P<src_port_low1>\d+)\s+(?P<src_port_high1>\d+))
|(?:\s+object-group\s+(?P<src_service_group1>\S+))
)
)?
(?:\s+destination
(?: # destination port
(?:\s+
(?P<dst_port_op1>{1})
\s+(?P<dst_port1>(?:(?:{2})\s?)+)
)
|(?:\s+range\s+(?P<dst_port_low1>\d+)\s+(?P<dst_port_high1>\d+))
|(?:\s+object-group\s+(?P<dst_service_group1>\S+))
)
)
)
) # Close non-capture parentesis
""".format(_IP_PROTO,_PORT_SIMPLE_OP,_PORT_NAMES)
_RE_ASA_SVCOBJ_CHILD = re.compile(_RE_ASA_SVCOBJ_CHILD_STR, re.VERBOSE)
class ASAObjService(models_asa.ASAObjService):
# TODO: Parent's class is defined differently. Determine why.
#
# @classmethod
# def is_object_for(cls, line="", re=re):
# if 'object service ' in line[0:15].lower():
# return True
# return False
@classmethod
def is_object_for(cls, line="", re=re):
if re.search(r'^(object\sservice)', line):
return True
return False
@property
def name(self):
retval = self.re_match_typed(r'^\s*object\sservice\s+(\S.+)$',
result_type=str, default='')
return retval
@property
def description(self):
regex = r"(^\s+description(?P<description0>.+)$)"
retval = self.re_match_iter_typed(regex, result_type=str, default='')
return retval
def m_src_port(self,mm_r):
if mm_r['src_port_low1']:
return mm_r['src_port_low1'] + ' ' + mm_r['src_port_high1']
return mm_r['src_port1'] or mm_r['src_service_group1'] \
def m_src_port_method(self,mm_r):
if mm_r['src_port_op1']:
return mm_r['src_port_op1']
elif mm_r['src_port_low1'] and mm_r['src_port_high1']:
return 'range'
elif mm_r['src_service_group1']:
return 'object-group'
def m_dst_port(self,mm_r):
if mm_r['dst_port_low1']:
return mm_r['dst_port_low1'] + ' ' + mm_r['dst_port_high1']
return mm_r['dst_port1'] or mm_r['dst_service_group1'] \
def m_dst_port_method(self,mm_r):
if mm_r['dst_port_op1']:
return mm_r['dst_port_op1']
elif mm_r['dst_port_low1'] and mm_r['dst_port_high1']:
return 'range'
elif mm_r['dst_service_group1']:
return 'object-group'
@property
def result_dict(self):
"""Return a list of strings which represent the source and destination
ports."""
retval = dict()
for obj in self.children:
## Parse out 'service' and 'description' lines
mm = _RE_ASA_SVCOBJ_CHILD.search(obj.text)
if not (mm is None):
mm_r = mm.groupdict()
else:
mm_r = dict()
# service ...
if mm_r.get('protocol1',None):
retval['proto'] = mm_r['protocol1']
retval['proto_method'] = 'proto'
retval['src_port'] = self.m_src_port(mm_r)
retval['src_port_method'] = self.m_src_port_method(mm_r)
retval['src_port_op'] = mm_r['src_port_op1']
retval['src_port_low'] = mm_r['src_port_low1']
retval['src_port_high'] = mm_r['src_port_high1']
retval['dst_port'] = self.m_dst_port(mm_r)
retval['dst_port_method'] = self.m_dst_port_method(mm_r)
retval['dst_port_op'] = mm_r['dst_port_op1']
retval['dst_port_low'] = mm_r['dst_port_low1']
retval['dst_port_high'] = mm_r['dst_port_high1']
# description
elif mm_r.get('description0',None):
retval['description'] = mm_r['description0']
else:
raise NotImplementedError("Cannot parse '{0}'".format(obj.text))
return retval
##
##------------- ASA object group protocol
##
_RE_ASA_PROTO_GROUP_CHILD_STR = r"""(?:
(^\s+description(?P<description0>.+)$)
|(^\s+protocol-object\s+(?P<protocol1>\S+)$)
)
"""
_RE_ASA_PROTO_GROUP_CHILD = re.compile(_RE_ASA_PROTO_GROUP_CHILD_STR, re.VERBOSE)
class ASAObjGroupProtocol(models_asa.BaseCfgLine):
def __init__(self, *args, **kwargs):
"""Provide attributes on Cisco ASA Service groups"""
super(ASAObjGroupProtocol, self).__init__(*args, **kwargs)
def __repr__(self):
return "<%s # %s '%s'>" % (self.classname, self.linenum, self.name)
@classmethod
def is_object_for(cls, line="", re=re):
if re.search(r'^(object-group\sprotocol)', line):
return True
return False
@property
def name(self):
retval = self.re_match_typed(r'^\s*object-group\sprotocol\s+(\S.+)$',
result_type=str, default='')
return retval
@property
def description(self):
regex = r"(^\s+description(?P<description0>.+)$)"
retval = self.re_match_iter_typed(regex,
result_type=str, default='')
return retval
@property
def result_dict(self):
"""Return a list of strings which represent the source and destination
ports."""
retval = list()
for obj in self.children:
## Parse out 'service' and 'description' lines
mm = _RE_ASA_PROTO_GROUP_CHILD.search(obj.text)
if not (mm is None):
mm_r = mm.groupdict()
else:
mm_r = dict()
# description
if mm_r.get('description0',None):
pass
# protocol...
elif mm_r.get('protocol1',None):
retval.append(mm_r['protocol1'])
else:
raise NotImplementedError("Cannot parse '{0}'".format(obj.text))
return retval
##
##------------- ASA object-group service
##
## This class already exist in ciscoconfparse but I have rewrite it for
## convenience and delivery delay.
## TODO: Extend the class instead of rewriting it.
##
# Difference between service-object and port-object
#
# object-group service WEB-PORTS tcp <- proto is here
# port-object eq www
# port-object eq https
#
# object-group service WEB-PORTS
# service-object tcp eq 80 <- proto is here
# service-object tcp eq 443 <- proto is here
#
_RE_ASA_SVCGROUP_CHILD_STR = r"""(?: # Non-capturing parentesis
# TODO: Add support for source ports in this regex
# Examples group_suffix
# service-object icmp|ip|tcp|udp|.. 1
# service-object udp destination eq dns 2
# service-object tcp eq 80 2
# service-object tcp range 5000 5005 3
# service-object object TCP_4443 4
# port-object eq https 5
# port-object range 1 1024 6
# group-object RPC_High_ports_TCP 7
# icmp-object echo-reply|time-exceeded|.. 8
# service-object icmp echo-reply|time-exceeded|... 9
#
(^\s+description\s+(?P<description0>.*)$)
|(^\s+service-object\s+(?P<protocol1>{3})$)
|(^\s+service-object\s+(?P<protocol2>{0})(?:\s+destination)?
\s+(?P<dst_port_op2>{1})\s+(?P<dst_port2>{2}))
|(^\s+service-object\s+(?P<protocol3>{0})(?:\s+destination)?
\s+(?P<dst_port_op3>range)\s+(?P<dst_port_low3>\d+)\s+(?P<dst_port_high3>\d+))
|(^\s+service-object\sobject\s+(?P<dst_object4>\S+))
|(^\s+port-object\s+(?P<dst_port_op5>{1})\s+(?P<dst_port5>{2}))
|(^\s+port-object\s+(?P<dst_port_op6>range)
\s+(?P<dst_port_low6>\d+)\s+(?P<dst_port_high6>\d+))
|(^\s+group-object\s+(?P<dst_group7>\S+))
|(^\s+icmp-object\s+(?P<dst_icmp_msg8>\S+))
|(^\s+service-object\sicmp\s+(?P<dst_icmp_msg9>\S+))
) # Close non-capture parens
""".format(_IP_PROTO,_PORT_SIMPLE_OP,_PORT_NAMES,_ACL_PROTOCOLS)
_RE_ASA_SVCGROUP_CHILD = re.compile(_RE_ASA_SVCGROUP_CHILD_STR, re.VERBOSE)
class ASAObjGroupService(models_asa.ASAObjGroupService):
def __init__(self, *args, **kwargs):
"""Provide attributes on Cisco ASA Service groups"""
super(ASAObjGroupService, self).__init__(*args, **kwargs)
# Update to catch specific cases
self.name = self.re_match_typed(r'object-group\s+service\s+(\S+)\s*.*$',
result_type=str, default='')
def __repr__(self):
return "<%s # %s '%s'>" % (self.classname, self.linenum, self.name)
@classmethod
def is_object_for(cls, line="", re=re):
if re.search(r'^(?:object-group\sservice)', line):
return True
return False
@property
def description(self):
retval = self.re_match_iter_typed(r'\s+description\s+(\S+)$',
result_type=str, default='')
return retval
@property
def proto(self):
retval = self.re_match(r'object-group\s+service\s+(?:\S+)\s+(\S+)?$',
group=1, default=None)
return retval
def m_proto(self,mm_r):
return mm_r['protocol1'] or mm_r['protocol2'] or mm_r['protocol3'] \
or self.proto
def m_proto_method(self,mm_r):
if mm_r['protocol1']:
return 'protocol'
elif mm_r['protocol2'] or mm_r['protocol3']:
return 'service-object'
elif mm_r['dst_group7']:
return 'group'
elif mm_r['dst_object4']:
return 'object'
elif mm_r['dst_icmp_msg8'] or mm_r['dst_icmp_msg9']:
return 'icmp'
elif self.proto:
return 'port-object'
def m_dst_port(self,mm_r):
if mm_r['dst_port_op3']:
return mm_r['dst_port_low3'] + ' ' + mm_r['dst_port_high3']
elif mm_r['dst_port_op6']:
return mm_r['dst_port_low6'] + ' ' + mm_r['dst_port_high6']
return mm_r['dst_port2'] or mm_r['dst_port5'] \
or mm_r['dst_object4'] or mm_r['dst_group7'] or mm_r['dst_icmp_msg8'] \
or mm_r['dst_icmp_msg9']
def m_dst_port_method(self,mm_r):
if mm_r['dst_port_op2']:
return mm_r['dst_port_op2']
elif mm_r['dst_port_op5']:
return mm_r['dst_port_op5']
elif (mm_r['dst_port_low3'] and mm_r['dst_port_high3'])\
or (mm_r['dst_port_low6'] and mm_r['dst_port_high6']):
return 'range'
elif mm_r['dst_object4']:
return 'object'
elif mm_r['dst_group7']:
return 'group'
elif mm_r['dst_icmp_msg8'] or mm_r['dst_icmp_msg9']:
return 'icmp'
def m_dst_port_op(self,mm_r):
return mm_r['dst_port_op2'] or mm_r['dst_port_op3'] \
or mm_r['dst_port_op5'] or mm_r['dst_port_op6']
def m_service_name_exist(self,name):
group_ports = self.confobj.object_group_service.get(name, None) \
or self.confobj.object_service.get(name, None) \
or self.confobj.object_group_protocol.get(name, None)
if name==self.name:
## Throw an error when importing self
raise ValueError("FATAL: Cannot recurse through group-object {0} in object-group service {1}".format(name, self.name))
if (group_ports is None):
return False
return True
@property
def result_dict(self):
"""
Return a list of objects which represent the protocol and ports
allowed by this object-group
"""
retval = list()
for obj in self.children:
mm = _RE_ASA_SVCGROUP_CHILD.search(obj.text)
if not (mm is None):
mm_r = mm.groupdict()
else:
raise ValueError("[FATAL] models_asa cannot parse '{0}'"\
.format(obj.text))
if mm_r.get('description0',None):
pass
else:
svc = dict()
svc['proto'] = self.m_proto(mm_r)
svc['proto_method'] = self.m_proto_method(mm_r)
svc['dst_port'] = self.m_dst_port(mm_r)
svc['dst_port_method'] = self.m_dst_port_method(mm_r)
svc['dst_port_op'] = self.m_dst_port_op(mm_r)
svc['dst_port_low'] = mm_r['dst_port_low3'] or mm_r['dst_port_low6']
svc['dst_port_high'] = mm_r['dst_port_high3'] or mm_r['dst_port_low6']
# Make sure the service group was defined before
if self.m_dst_port_method(mm_r) in ['object','group']:
name = self.m_dst_port(mm_r)
if not self.m_service_name_exist(name):
raise ValueError("FATAL: Cannot find service object named {0}"\
.format(name))
retval.append(svc)
return retval
##
##------------- ASA object-group network
##
_RE_ASA_NETOBJECT_STR = r"""(?: # Non-capturing parenthesis
(^\s+description(?P<description0>.+)$)
|(^\s+network-object\s+host\s+(?P<host>\S+))
|(^\s+network-object
(?:\s+network)?
\s+(?P<network>\d+\.\d+\.\d+\.\d+)
\s+(?P<netmask1>\d+\.\d+\.\d+\.\d+))
|(^\s+network-object
\s+(?P<name>\S+)
\s+(?P<netmask2>\d+\.\d+\.\d+\.\d+))
|(^\s+network-object\s+object\s+(?P<object>\S+))
|(^\s+group-object\s+(?P<groupobject>\S+))
) # Close non-capture parens
"""
_RE_ASA_NETOBJECT = re.compile(_RE_ASA_NETOBJECT_STR, re.VERBOSE)
class ASAObjGroupNetwork(models_asa.ASAObjGroupNetwork):
def __init__(self, *args, **kwargs):
"""Accept an ASA line number and initialize family relationship
attributes"""
super(ASAObjGroupNetwork, self).__init__(*args, **kwargs)
# Main diff with current code: Additional .+ to catch specific cases.
self.name = self.re_match_typed(r'^object-group\snetwork\s+(\S.+)$',
result_type=str, default='')
@classmethod
def is_object_for(cls, line="", re=re):
if re.search(r'^(?:object-group\snetwork)', line):
return True
return False
@property
def description(self):
regex = r"(^\s+description(?P<description0>.+)$)"
retval = self.re_match_iter_typed(regex,
result_type=str, default='')
return retval
def m_network_name_exist(self, name):
group_ports = self.confobj.object_group_network.get(name, None) \
or self.confobj.object_network.get(name, None)
if name==self.name:
## Throw an error when importing self
raise ValueError('FATAL: Cannot recurse through group-object {0}'\
' in object-group or object network {1}'\
.format(name, self.name))
if (group_ports is None):
return False
return True
@property
def result_dict(self):
"""Return a list of objects which represent
the network group members"""
retval = list()
for obj in self.children:
mm = _RE_ASA_NETOBJECT.search(obj.text)
if not (mm is None):
mm_r = mm.groupdict()
else:
raise ValueError("[FATAL] models_asa cannot parse '{0}'"\
.format(obj.text))
net_obj = dict()
if mm_r.get('description0',None):
net_obj['member_method'] = 'description'
elif mm_r.get('host', None):
net_obj['ipaddr'] = mm_r['host']
net_obj['mask'] = '255.255.255.255'
net_obj['member_method'] = 'host'
elif mm_r.get('network', None):
net_obj['subnet'] = mm_r['network']
net_obj['mask'] = mm_r['netmask1']
net_obj['member_method'] = 'subnet'
elif mm_r.get('name', None):
# Make sure the name was defined before
if not mm_r['name'] in self.confobj.names:
raise ValueError("FATAL: Cannot find network object named {0}"\
.format(net_obj['object_name']))
if mm_r['netmask2'] == '255.255.255.255':
net_obj['ipaddr'] = self.confobj.names[mm_r['name']]
net_obj['mask'] = mm_r['netmask2']
net_obj['member_method'] = 'host'
else:
net_obj['subnet'] = self.confobj.names[mm_r['name']]
net_obj['mask'] = mm_r['netmask2']
net_obj['member_method'] = 'subnet'
elif mm_r.get('groupobject', None):
net_obj['object_name'] = mm_r['groupobject']
net_obj['member_method'] = 'group-object'
# Make sure the network group was defined before
if not self.m_network_name_exist(mm_r['groupobject']):
raise ValueError("FATAL: Cannot find network object named {0}"\
.format(name))
elif mm_r.get('object', None):
net_obj['object_name'] = mm_r['object']
net_obj['member_method'] = 'object'
# Make sure the network object was defined before
if not self.m_network_name_exist(mm_r['object']):
raise ValueError("FATAL: Cannot find network object named {0}"\
.format(name))
retval.append(net_obj)
return retval
##
##------------- ASA ACL object
##
## This class already exist in ciscoconfparse but I have rewrite it for
## convenience and delivery delay.
## TODO: Extend the class instead of rewriting it.
##
_RE_ASA_ACL_STR = r"""(?: # Non-capturing parenthesis
# remark
(^access-list\s+(?P<name0>\S+)\s+(?P<type0>remark)\s+(?P<remark>.*)$)
# extended service object with source network object, destination network object
|(?:^access-list\s+(?P<name1>\S+)
\s+(?P<type1>extended)
\s+(?P<action1>permit|deny)
\s+(?: # proto
(?:object-group\s+(?P<service_objectgroup1>\S+))
|(?:object\s+(?P<service_object1>\S+))
|(?P<protocol1>{0})
)
\s+(?: # source addr
(?P<src_any1>any|any4|any6)
|(?:object-group\s+(?P<src_objectgroup1>\S+))
|(?:object\s+(?P<src_object1>\S+))
|(?:host\s+(?P<src_host1a>\S+))
|(?:(?P<src_host1b>\S+)\s+0\.0\.0\.0)
|(?:(?P<src_network1>\S+)\s+(?P<src_hostmask1>\d+\.\d+\.\d+\.\d+))
)
\s+(?: # destination addr
(?P<dst_any1>any|any4|any6)
|(?:object-group\s+(?P<dst_objectgroup1>\S+))
|(?:object\s+(?P<dst_object1>\S+))
|(?:host\s+(?P<dst_host1a>\S+))
|(?:(?P<dst_host1b>\S+)\s+0\.0\.0\.0)
|(?:(?P<dst_network1>\S+)\s+(?P<dst_hostmask1>\d+\.\d+\.\d+\.\d+))
)
(?:\s+
(?: # destination port
(?:
(?P<dst_port_op1>eq|neq|lt|gt)
\s(?P<dst_port1>(?:(?:{3})\s?)+)
)
|(?:range\s+(?P<dst_port_low1>\S+)\s+(?P<dst_port_high1>\S+))
|(?:object-group\s+(?P<dst_service_group1>\S+))
)
)?
(?:\s+
(?P<log1>log)
(?:\s+(?P<loglevel1>{1}))?
(?:\s+interval\s+(?P<log_interval1>\d+))?
)?
(?:\s+(?P<disable1>disable))?
(?:
(?:\s+(?P<inactive1>inactive))
|(?:\s+time-range\s+(?P<time_range1>\S+))
)?
\s*$) # END access-list 1 parse
#access-list TESTME extended permit icmp any4 0.0.0.0 0.0.0.0 unreachable log interval 1
|(?:^access-list\s+(?P<name2>\S+)
\s+(?P<type2>extended)
\s+(?P<action2>permit|deny)
\s+(?P<protocol2>icmp)
\s+(?: # source addr
(?P<src_any2>any|any4|any6)
|(?:object-group\s+(?P<src_objectgroup2>\S+))
|(?:object\s+(?P<src_object2>\S+))
|(?:host\s+(?P<src_host2a>\S+))
|(?:(?P<src_host2b>\S+)\s+0\.0\.0\.0)
|(?:(?P<src_network2>\S+)\s+(?P<src_hostmask2>\d+\.\d+\.\d+\.\d+))
)
\s+(?: # destination addr
(?P<dst_any2>any|any4|any6)
|(?:object-group\s+(?P<dst_objectgroup2>\S+))
|(?:object\s+(?P<dst_object2>\S+))
|(?:host\s+(?P<dst_host2a>\S+))
|(?:(?P<dst_host2b>\S+)\s+0\.0\.0\.0)
|(?:(?P<dst_network2>\S+)\s+(?P<dst_hostmask2>\d+\.\d+\.\d+\.\d+))
)
(?:\s+(?P<icmp_proto2>{3}|\d+))?
(?:\s+
(?P<log2>log)
(?:\s+(?P<loglevel2>{1}))?
(?:\s+interval\s+(?P<log_interval2>\d+))?
)?
(?:\s+(?P<disable2>disable))?
(?:
(?:\s+(?P<inactive2>inactive))
|(?:\s+time-range\s+(?P<time_range2>\S+))
)?
)
# access-list SPLIT_TUNNEL_NETS standard permit 192.0.2.0 255.255.255.0
|(?:^access-list\s+(?P<name3>\S+)
\s+(?P<type3>standard)
\s+(?P<action3>permit|deny)
\s+(?: # destination addr
(?P<dst_any3>any|any4|any6)
|(?:object-group\s+(?P<dst_objectgroup3>\S+))
|(?:object\s+(?P<dst_object3>\S+))
|(?:host\s+(?P<dst_host3a>\S+))
|(?:(?P<dst_host3b>\S+)\s+0\.0\.0\.0)
|(?:(?P<dst_host3c>\S+))
|(?:(?P<dst_network3>\S+)\s+(?P<dst_hostmask3>\d+\.\d+\.\d+\.\d+))
)
(?:\s+
(?P<log3>log)
(?:\s+(?P<loglevel3>{2}))?
(?:\s+interval\s+(?P<log_interval3>\d+))?
)?
(?:\s+(?P<disable3>disable))?
(?:
(?:\s+(?P<inactive3>inactive))
|(?:\s+time-range\s+(?P<time_range3>\S+))
)?
)
) # Close non-capture parens
""".format(_ACL_PROTOCOLS, _ACL_LOGLEVELS, _ACL_ICMP_PROTOCOLS, _PORT_NAMES)
_RE_ASA_ACL = re.compile(_RE_ASA_ACL_STR, re.VERBOSE)
class ASAAclLine(models_asa.ASACfgLine):
def __init__(self, *args, **kwargs):
"""Provide attributes on Cisco ASA Access-Lists"""
super(ASAAclLine, self).__init__(*args, **kwargs)
mm = _RE_ASA_ACL.search(self.text)
if not (mm is None):
self._mm_results = mm.groupdict() # All regex match results
else:
raise ValueError("[FATAL] models_asa cannot parse '{0}'".format(self.text))
@classmethod
def is_object_for(cls, line="", re=re):
if re.search('^access-list', line):
return True
return False
@property
def name(self):
mm_r = self._mm_results
return mm_r['name0'] or mm_r['name1'] or mm_r['name2'] \
or mm_r['name3']
@property
def type(self):
mm_r = self._mm_results
return mm_r['type0'] or mm_r['type1'] or mm_r['type2'] or mm_r['type3']
@property
def action(self):
mm_r = self._mm_results
return mm_r['action1'] or mm_r['action2'] or mm_r['action3']
@property
def remark(self):
mm_r = self._mm_results
return mm_r['remark']
@property
def proto(self):
mm_r = self._mm_results
return mm_r['service_objectgroup1'] or mm_r['service_object1'] \
or mm_r['protocol1'] or mm_r['protocol2']
@property
def proto_method(self):
mm_r = self._mm_results
if mm_r['protocol1'] or mm_r['protocol2']:
return 'proto'
elif mm_r['service_objectgroup1'] or mm_r['service_object1']:
return 'object-group'
elif self.action == 'remark':
return 'remark'
@property
def src_addr(self):
mm_r = self._mm_results
return mm_r['src_any1'] or mm_r['src_objectgroup1'] \
or mm_r['src_object1'] or mm_r['src_host1a'] \
or mm_r['src_host1b'] \
or mm_r['src_network1'] \
\
or mm_r['src_any2'] or mm_r['src_objectgroup2'] \
or mm_r['src_object2'] or mm_r['src_host2a'] \
or mm_r['src_host2b'] \
or mm_r['src_network2']
@property
def src_hostmask(self):
mm_r = self._mm_results
method = self.src_addr_method
if method == 'any':
return '255.255.255.255'
elif method == 'host':
return '0.0.0.0'
elif method == 'network':
return mm_r['src_hostmask1'] or mm_r['src_hostmask2']
elif method == 'object-group' or method == 'object' \
or method == 'remark' \
or self.parent.type == 'standard': # standard acl = no src ip
return None
@property
def src_addr_method(self):
mm_r = self._mm_results
if mm_r['src_any1'] or mm_r['src_any2']:
return 'any'
elif mm_r['src_objectgroup1'] or mm_r['src_objectgroup2']:
return 'object-group'
elif mm_r['src_object1'] or mm_r['src_object2']:
return 'object'
elif mm_r['src_host1a'] or mm_r['src_host1b'] \
or mm_r['src_host2a'] or mm_r['src_host2b']:
return 'host'
elif (mm_r['src_network1'] or mm_r['src_hostmask1']) \
or (mm_r['src_network2'] or mm_r['src_hostmask2']):
return 'network'
elif self.action == 'remark':
return 'remark'
elif self.parent.type == 'standard': # standard acl = no src ip
return None
@property
def src_port(self):
return None
@property
def src_port_method(self):
return None
@property
def dst_addr(self):
mm_r = self._mm_results
return mm_r['dst_any1'] or mm_r['dst_objectgroup1'] \
or mm_r['dst_object1'] or mm_r['dst_host1a'] \
or mm_r['dst_host1b'] \
or mm_r['dst_network1'] \
\
or mm_r['dst_any2'] or mm_r['dst_objectgroup2'] \
or mm_r['dst_object2'] or mm_r['dst_host2a'] \
or mm_r['dst_host2b'] \
or mm_r['dst_network2'] \
\
or mm_r['dst_any3'] or mm_r['dst_objectgroup3'] \
or mm_r['dst_object3'] or mm_r['dst_host3a'] \
or mm_r['dst_host3b'] or mm_r['dst_host3c']\
or mm_r['dst_network3']
@property
def dst_hostmask(self):
mm_r = self._mm_results
method = self.dst_addr_method
if method == 'any':
return '255.255.255.255'
elif method == 'host':
return '0.0.0.0'
elif method == 'network':
return mm_r['dst_hostmask1'] or mm_r['dst_hostmask2'] \
or mm_r['dst_hostmask3']
elif method == 'object-group' or method == 'object' \
or method == 'remark':
return None
else:
return None
@property
def dst_addr_method(self):
mm_r = self._mm_results
if mm_r['dst_any1'] or mm_r['dst_any2'] or mm_r['dst_any3']:
return 'any'
elif mm_r['dst_objectgroup1'] or mm_r['dst_objectgroup2'] \
or mm_r['dst_objectgroup3']:
return 'object-group'
elif mm_r['dst_object1'] or mm_r['dst_object2'] or mm_r['dst_object3']:
return 'object'
elif mm_r['dst_host1a'] or mm_r['dst_host1b'] \
or mm_r['dst_host2a'] or mm_r['dst_host2b'] \
or mm_r['dst_host3a'] or mm_r['dst_host3b'] \
or mm_r['dst_host3c']:
return 'host'
elif (mm_r['dst_network1'] and mm_r['dst_hostmask1']) \
or (mm_r['dst_network2'] and mm_r['dst_hostmask2']) \
or (mm_r['dst_network3'] and mm_r['dst_hostmask3']):
return 'network'
elif self.action == 'remark':
return 'remark'
else:
return None
@property
def dst_port(self):
mm_r = self._mm_results
if self.dst_port_method == 'range':
return mm_r['dst_port_low1'] + ' ' + mm_r['dst_port_high1']
return mm_r['dst_port1'] or mm_r['dst_service_group1']
@property
def dst_port_method(self):
mm_r = self._mm_results
if mm_r['dst_port_op1']:
return mm_r['dst_port_op1']
elif mm_r['dst_port_low1'] and mm_r['dst_port_high1']:
return 'range'
elif mm_r['dst_service_group1']:
return 'object-group'
@property
def log(self):
mm_r = self._mm_results
return mm_r['log1'] or mm_r['log2']
@property
def log_level(self):
mm_r = self._mm_results
return mm_r['log_level1'] or mm_r['log_level2']
@property
def log_interval(self):
mm_r = self._mm_results
return mm_r['log_interval1'] or mm_r['log_interval2']
@property
def disable(self):
mm_r = self._mm_results
return mm_r['disable1'] or mm_r['disable2']
@property
def inactive(self):
mm_r = self._mm_results
return mm_r['inactive1'] or mm_r['inactive2']
@property
def time_range(self):
mm_r = self._mm_results
return mm_r['time_range1'] or mm_r['time_range2']
# TODO: This should not be needed
# Otherwise: fix code to support this attribute.
@property
def established(self):
mm_r = self._mm_results
return mm_r['established']
class ASAConfigList(ccp.ASAConfigList):
def __init__(self, data=None, comment_delimiter='!', debug=False,
factory=False, ignore_blank_lines=True, syntax='asa', CiscoConfParse=None):
super(ASAConfigList, self).__init__(data, comment_delimiter, debug, factory, \
ignore_blank_lines, syntax, CiscoConfParse)
### New Internal structures
self._RE_NETS = re.compile(r'^\s*object\s+network\s+(\S+)')
self._RE_SVCS = re.compile(r'^\s*object\s+service\s+(\S+)')
self._RE_OBJPRO = re.compile(r'^\s*object-group\s+protocol\s+(\S+)')
@property
def object_network(self):
"""Return a dictionary of name to object network mappings"""
retval = dict()
obj_rgx = self._RE_NETS
for obj in self.CiscoConfParse.find_objects(obj_rgx):
name = obj.re_match_typed(obj_rgx, group=1, result_type=str)
retval[name] = obj
return retval