def testBuildWarningTokens(self):
pol1 = arista.Arista(
policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_1, self.naming),
EXP_INFO)
st, sst = pol1._BuildTokens()
self.assertEqual(st, SUPPORTED_TOKENS)
self.assertEqual(sst, SUPPORTED_SUB_TOKENS)
def _get_acl_text(pol, platform):
# type: (policy.Policy, str) -> str
# Capirca policy terms can have expiration dates, and Capirca warns if any
# of the terms expire before this future date. Just set to a large number to
# prevent warning - Capirca already warns itself if terms are expired.
exp_info_weeks = 52 * 100 # ~100 years
platform = platform.strip().lower()
if platform == 'arista':
from capirca.lib import arista
return str(arista.Arista(pol, exp_info_weeks))
elif platform == 'cisco' or platform == 'cisco-nx':
from capirca.lib import cisco
return str(cisco.Cisco(pol, exp_info_weeks))
elif platform == 'cisco-xr':
from capirca.lib import ciscoxr
return str(ciscoxr.CiscoXR(pol, exp_info_weeks))
elif platform == 'ciscoasa':
from capirca.lib import ciscoasa
return str(ciscoasa.CiscoASA(pol, exp_info_weeks))
elif platform == 'juniper':
from capirca.lib import juniper
return str(juniper.Juniper(pol, exp_info_weeks))
elif platform == 'juniper-srx':
from capirca.lib import junipersrx
return str(junipersrx.JuniperSRX(pol, exp_info_weeks))
elif platform == 'paloalto':
# from capirca.lib import paloaltofw
# return str(paloaltofw.PaloAltoFW(pol, exp_info_weeks))
raise ValueError(
'Capirca generates Palo Alto ACLs in XML form, which Batfish does not yet parse')
else:
raise ValueError(
'Either Capirca or Pybatfish does not handle converting to ACLs in platform: ' + platform)
def testStandardTermV4(self):
self.naming.GetNetAddr.return_value = [nacaddr.IP('10.1.1.0/24')]
pol = policy.ParsePolicy(GOOD_HEADER_3 + GOOD_TERM_4, self.naming)
acl = arista.Arista(pol, EXP_INFO)
expected = 'ip access-list standard test-filter'
self.assertIn(expected, str(acl), '[%s]' % str(acl))
expected = ' permit 10.1.1.0/24\n'
self.assertIn(expected, str(acl), str(acl))
self.naming.GetNetAddr.assert_has_calls([mock.call('SOME_HOST')])
def testRemark(self):
self.naming.GetNetAddr.return_value = [nacaddr.IP('10.1.1.1/32')]
pol = policy.ParsePolicy(GOOD_HEADER_3 + GOOD_TERM_4, self.naming)
acl = arista.Arista(pol, EXP_INFO)
expected = 'remark this is a test standard acl'
self.assertIn(expected, str(acl), '[%s]' % str(acl))
expected = 'remark good-term-4'
self.assertIn(expected, str(acl), str(acl))
expected = 'test-filter remark'
self.assertNotIn(expected, str(acl), str(acl))
self.naming.GetNetAddr.assert_called_once_with('SOME_HOST')
def testStandardTermHostV6(self):
self.naming.GetNetAddr.return_value = [nacaddr.IP('2620:1::/64')]
self.naming.GetServiceByProto.return_value = ['22']
pol = policy.ParsePolicy(GOOD_HEADER_IPV6 + GOOD_TERM_2, self.naming)
acl = arista.Arista(pol, EXP_INFO)
expected = 'ipv6 access-list test-filter'
self.failUnless(expected in str(acl), '[%s]' % str(acl))
expected = ' permit tcp 2620:1::/64 any eq ssh'
self.failUnless(expected in str(acl), str(acl))
self.naming.GetNetAddr.assert_has_calls([mock.call('SOME_HOST')])
self.naming.GetServiceByProto.assert_has_calls([mock.call('SSH', 'tcp')])
def testStandardTermHost(self):
self.naming.GetNetAddr.return_value = [nacaddr.IP('10.1.1.0/24')]
self.naming.GetServiceByProto.return_value = ['22', '6537']
pol = policy.ParsePolicy(GOOD_HEADER_2 + GOOD_TERM_2 + GOOD_TERM_3,
self.naming)
acl = arista.Arista(pol, EXP_INFO)
expected = 'ip access-list test-filter'
self.failUnless(expected in str(acl), '[%s]' % str(acl))
expected = ' permit tcp 10.1.1.0/24 any eq ssh'
self.failUnless(expected in str(acl), str(acl))
expected = ' permit tcp 10.1.1.0/24 any eq 6537'
self.failUnless(expected in str(acl), str(acl))
self.naming.GetNetAddr.assert_has_calls([mock.call('SOME_HOST'),
mock.call('SOME_HOST2')])
self.naming.GetServiceByProto.assert_has_calls(
[mock.call('SSH', 'tcp'), mock.call('GOPENFLOW', 'tcp')])
def testAHAndESPAreIntegers(self):
acl = arista.Arista(
policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_7, self.naming),
EXP_INFO)
self.assertIn('permit 50', str(acl))
self.assertIn('permit 51', str(acl))
def testAHIsAnInteger(self):
acl = arista.Arista(
policy.ParsePolicy(GOOD_HEADER + GOOD_TERM_6, self.naming),
EXP_INFO)
self.assertIn('permit 51', str(acl))
def testExtendedEosSyntax(self):
# Extended access-lists should not use the "extended" argument to ip
# access-list.
acl = arista.Arista(
policy.ParsePolicy(GOOD_HEADER + GOOD_TERM, self.naming), EXP_INFO)
self.assertIn('ip access-list test-filter', str(acl))
def RenderFile(base_directory, input_file, output_directory, definitions,
exp_info, write_files):
"""Render a single file.
Args:
base_directory: The base directory to look for acls.
input_file: the name of the input policy file.
output_directory: the directory in which we place the rendered file.
definitions: the definitions from naming.Naming().
exp_info: print a info message when a term is set to expire
in that many weeks.
write_files: a list of file tuples, (output_file, acl_text), to write
"""
logging.debug('rendering file: %s into %s', input_file, output_directory)
pol = None
jcl = False
acl = False
asacl = False
aacl = False
bacl = False
eacl = False
gca = False
gcefw = False
ips = False
ipt = False
spd = False
nsx = False
pcap_accept = False
pcap_deny = False
pf = False
srx = False
jsl = False
nft = False
win_afw = False
xacl = False
paloalto = False
try:
with open(input_file) as f:
conf = f.read()
logging.debug('opened and read %s', input_file)
except IOError as e:
logging.warning('bad file: \n%s', e)
raise
try:
pol = policy.ParsePolicy(conf,
definitions,
optimize=FLAGS.optimize,
base_dir=base_directory,
shade_check=FLAGS.shade_check)
except policy.ShadingError as e:
logging.warning('shading errors for %s:\n%s', input_file, e)
return
except (policy.Error, naming.Error):
raise ACLParserError(
'Error parsing policy file %s:\n%s%s' %
(input_file, sys.exc_info()[0], sys.exc_info()[1]))
platforms = set()
for header in pol.headers:
platforms.update(header.platforms)
if 'juniper' in platforms:
jcl = copy.deepcopy(pol)
if 'cisco' in platforms:
acl = copy.deepcopy(pol)
if 'ciscoasa' in platforms:
asacl = copy.deepcopy(pol)
if 'brocade' in platforms:
bacl = copy.deepcopy(pol)
if 'arista' in platforms:
eacl = copy.deepcopy(pol)
if 'aruba' in platforms:
aacl = copy.deepcopy(pol)
if 'ipset' in platforms:
ips = copy.deepcopy(pol)
if 'iptables' in platforms:
ipt = copy.deepcopy(pol)
if 'nsxv' in platforms:
nsx = copy.deepcopy(pol)
if 'packetfilter' in platforms:
pf = copy.deepcopy(pol)
if 'pcap' in platforms:
pcap_accept = copy.deepcopy(pol)
pcap_deny = copy.deepcopy(pol)
if 'speedway' in platforms:
spd = copy.deepcopy(pol)
if 'srx' in platforms:
srx = copy.deepcopy(pol)
if 'srxlo' in platforms:
jsl = copy.deepcopy(pol)
if 'windows_advfirewall' in platforms:
win_afw = copy.deepcopy(pol)
if 'ciscoxr' in platforms:
xacl = copy.deepcopy(pol)
if 'nftables' in platforms:
nft = copy.deepcopy(pol)
if 'gce' in platforms:
gcefw = copy.deepcopy(pol)
if 'paloalto' in platforms:
paloalto = copy.deepcopy(pol)
if 'cloudarmor' in platforms:
gca = copy.deepcopy(pol)
if not output_directory.endswith('/'):
output_directory += '/'
try:
if jcl:
acl_obj = juniper.Juniper(jcl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if srx:
acl_obj = junipersrx.JuniperSRX(srx, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if acl:
acl_obj = cisco.Cisco(acl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if asacl:
acl_obj = ciscoasa.CiscoASA(asacl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if aacl:
acl_obj = aruba.Aruba(aacl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if bacl:
acl_obj = brocade.Brocade(bacl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if eacl:
acl_obj = arista.Arista(eacl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if ips:
acl_obj = ipset.Ipset(ips, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if ipt:
acl_obj = iptables.Iptables(ipt, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if nsx:
acl_obj = nsxv.Nsxv(nsx, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if spd:
acl_obj = speedway.Speedway(spd, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if pcap_accept:
acl_obj = pcap.PcapFilter(pcap_accept, exp_info)
RenderACL(str(acl_obj), '-accept' + acl_obj.SUFFIX,
output_directory, input_file, write_files)
if pcap_deny:
acl_obj = pcap.PcapFilter(pcap_deny, exp_info, invert=True)
RenderACL(str(acl_obj), '-deny' + acl_obj.SUFFIX, output_directory,
input_file, write_files)
if pf:
acl_obj = packetfilter.PacketFilter(pf, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if win_afw:
acl_obj = windows_advfirewall.WindowsAdvFirewall(win_afw, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if jsl:
acl_obj = srxlo.SRXlo(jsl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if xacl:
acl_obj = ciscoxr.CiscoXR(xacl, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if nft:
acl_obj = nftables.Nftables(nft, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if gcefw:
acl_obj = gce.GCE(gcefw, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if paloalto:
acl_obj = paloaltofw.PaloAltoFW(paloalto, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
if gca:
acl_obj = cloudarmor.CloudArmor(gca, exp_info)
RenderACL(str(acl_obj), acl_obj.SUFFIX, output_directory,
input_file, write_files)
# TODO(robankeny) add additional errors.
except (juniper.Error, junipersrx.Error, cisco.Error, ipset.Error,
iptables.Error, speedway.Error, pcap.Error, aclgenerator.Error,
aruba.Error, nftables.Error, gce.Error, cloudarmor.Error) as e:
raise ACLGeneratorError('Error generating target ACL for %s:\n%s' %
(input_file, e))
def get_acl(inputs):
"""Generates an ACL using Capirca.
Args:
inputs: Module parameters.
Returns:
ACL string.
"""
header_base = '''
header {
comment:: "$comment"
target:: $platform $options
}
'''
result = ""
# Create copy of input options removing any spaces
inputs['options_copy'] = [
str(elem).replace(" ", "") for elem in inputs['filter_options']
]
# Add from/to-zone to 'paloalto' and 'srx'.
if inputs['platform'] in ('paloalto' 'srx'):
if len(inputs['options_copy']) < 2:
raise AnsibleError(
"The number of options for {0} is less than 2".format(
inputs['platform']))
inputs['options_copy'][0] = "from-zone " + inputs['options_copy'][0]
inputs['options_copy'][1] = "to-zone " + inputs['options_copy'][1]
# Create option string for header
inputs['options'] = ' '.join(
[str(elem) for elem in inputs['options_copy']])
header_template = Template(header_base)
header = header_template.safe_substitute(inputs)
defs = naming.Naming(inputs['def_folder'])
terms = open(inputs['pol_file']).read()
pol = policy.ParsePolicy(header + '\n' + terms, defs, optimize=True)
# Exp info in weeks
EXP_INFO = 2
# List from https://github.com/google/capirca/blob/master/capirca/aclgen.py#L202
# Does Python have a Switch statement?
if inputs['platform'] == 'juniper':
result = juniper.Juniper(pol, EXP_INFO)
elif inputs['platform'] == 'cisco':
result = cisco.Cisco(pol, EXP_INFO)
elif inputs['platform'] == 'ciscoasa':
result = ciscoasa.CiscoASA(pol, EXP_INFO)
elif inputs['platform'] == 'brocade':
result = brocade.Brocade(pol, EXP_INFO)
elif inputs['platform'] == 'arista':
result = arista.Arista(pol, EXP_INFO)
elif inputs['platform'] == 'aruba':
result = aruba.Aruba(pol, EXP_INFO)
elif inputs['platform'] == 'ipset':
result = ipset.Ipset(pol, EXP_INFO)
elif inputs['platform'] == 'iptables':
result = iptables.Iptables(pol, EXP_INFO)
elif inputs['platform'] == 'nsxv':
result = nsxv.Nsxv(pol, EXP_INFO)
elif inputs['platform'] == 'packetfilter':
result = packetfilter.PacketFilter(pol, EXP_INFO)
elif inputs['platform'] == 'pcap':
result = pcap.PcapFilter(pol, EXP_INFO)
elif inputs['platform'] == 'speedway':
result = speedway.Speedway(pol, EXP_INFO)
elif inputs['platform'] == 'srx':
result = junipersrx.JuniperSRX(pol, EXP_INFO)
elif inputs['platform'] == 'srxlo':
result = srxlo.SRXlo(pol, EXP_INFO)
elif inputs['platform'] == 'windows_advfirewall':
result = windows_advfirewall.WindowsAdvFirewall(pol, EXP_INFO)
elif inputs['platform'] == 'ciscoxr':
result = ciscoxr.CiscoXR(pol, EXP_INFO)
elif inputs['platform'] == 'nftables':
result = nftables.Nftables(pol, EXP_INFO)
elif inputs['platform'] == 'gce':
result = gce.GCE(pol, EXP_INFO)
elif inputs['platform'] == 'paloalto':
result = paloaltofw.PaloAltoFW(pol, EXP_INFO)
elif inputs['platform'] == 'cloudarmor':
result = cloudarmor.CloudArmor(pol, EXP_INFO)
return str(result)
