def isipaddress(data):
"""
Checks if the passed string is
a valid IPv4 or IPv6 address
"""
isipaddress = True
try:
ipaddress.ip_address(data)
except ValueError:
isipaddress = False
return isipaddress
def netmask(self):
if self._values['netmask'] is None:
return None
try:
result = int(self._values['netmask'])
# CIDRs between 0 and 128 are allowed
if 0 <= result <= 128:
return result
else:
raise F5ModuleError(
"The provided netmask must be between 0 and 32 for IPv4, or "
"0 and 128 for IPv6.")
except ValueError:
# not a number, but that's ok. Further processing necessary
pass
if not is_valid_ip(self._values['netmask']):
raise F5ModuleError(
'The provided netmask {0} is neither in IP or CIDR format'.
format(result))
# Create a temporary address to check if the netmask IP is v4 or v6
addr = ip_address(u'{0}'.format(str(self._values['netmask'])))
if addr.version == 4:
# Create a more real v4 address using a wildcard, so that we can determine
# the CIDR value from it.
ip = ip_network(u'0.0.0.0/%s' % str(self._values['netmask']))
result = ip.prefixlen
else:
result = ipv6_netmask_to_cidr(self._values['netmask'])
return result
def _normalize_san(self, san):
if san.startswith('IP Address:'):
san = 'IP:' + san[len('IP Address:'):]
if san.startswith('IP:'):
ip = compat_ipaddress.ip_address(san[3:])
san = 'IP:{0}'.format(ip.compressed)
return san
def address(self):
if self._values['address'] is None:
return None
if is_valid_ip(self._values['address']):
ip = str(ip_address(u'{0}'.format(self._values['address'])))
return ip
raise F5ModuleError("Specified 'address' is not an IP address.")
def is_ipv6_address(address):
""" test if address is a valid ipv6 address """
try:
addr = ip_address(u'{0}'.format(address))
return isinstance(addr, IPv6Address)
except ValueError:
pass
return False
def _normalize_san(self, san):
# apparently openssl returns 'IP address' not 'IP' as specifier when converting the subjectAltName to string
# although it won't accept this specifier when generating the CSR. (https://github.com/openssl/openssl/issues/4004)
if san.startswith('IP Address:'):
san = 'IP:' + san[len('IP Address:'):]
if san.startswith('IP:'):
ip = compat_ipaddress.ip_address(san[3:])
san = 'IP:{0}'.format(ip.compressed)
return san
def check_params(self):
rules_by_host = {}
for host in self.hosts:
rules_by_host[host.name] = self.firewall_facts[host.name].keys()
for rule_option in self.rule_options:
rule_name = rule_option.get('name')
if rule_name is None:
self.module.fail_json(
msg="Please specify rule.name for rule set"
" as it is required parameter.")
hosts_with_rule_name = [
h for h, r in rules_by_host.items() if rule_name in r
]
hosts_without_rule_name = set([i.name for i in self.hosts
]) - set(hosts_with_rule_name)
if hosts_without_rule_name:
self.module.fail_json(
msg="rule named '%s' wasn't found on hosts: %s" %
(rule_name, hosts_without_rule_name))
if 'enabled' not in rule_option:
self.module.fail_json(
msg="Please specify rules.enabled for rule set"
" %s as it is required parameter." % rule_name)
allowed_hosts = rule_option.get('allowed_hosts', {})
ip_addresses = allowed_hosts.get('ip_address', [])
ip_networks = allowed_hosts.get('ip_network', [])
for ip_address in ip_addresses:
try:
ipaddress.ip_address(ip_address)
except ValueError:
self.module.fail_json(
msg="The provided IP address %s is not a valid IP"
" for the rule %s" % (ip_address, rule_name))
for ip_network in ip_networks:
try:
ipaddress.ip_network(ip_network)
except ValueError:
self.module.fail_json(
msg="The provided IP network %s is not a valid network"
" for the rule %s" % (ip_network, rule_name))
def normalize_ip(ip, ip_version):
if ip is None:
return ip
if '/' in ip:
ip, range = ip.split('/')
else:
ip, range = ip, ''
ip_addr = to_native(compat_ipaddress.ip_address(to_text(ip)).compressed)
if range == '':
range = '32' if ip_version.lower() == 'ipv4' else '128'
return ip_addr + '/' + range
def address_ranges(self):
result = []
for item in self._values['addresses']:
if '-' not in item['name']:
continue
start, stop = item['name'].split('-')
start = start.strip()
stop = stop.strip()
start = ip_address(u'{0}'.format(start))
stop = ip_address(u'{0}'.format(stop))
if start.version != stop.version:
raise F5ModuleError(
"When specifying a range, IP addresses must be of the same type; IPv4 or IPv6."
)
if int(start) > int(stop):
stop, start = start, stop
item = '{0}-{1}'.format(str(start), str(stop))
result.append(item)
result = sorted(result)
return result
def is_ipv4_address(data):
"""
Checks if the passed string is
a valid IPv4 address
"""
if "/" in data:
data = data.split("/")[0]
if not isipaddress(to_text(data)):
raise ValueError("{0} is not a valid IP address".format(data))
return ipaddress.ip_address(to_text(data)).version == 4
def get_ip_address_version(address):
"""
This function returns the version of IP address
:param address: IP address
:return:
"""
try:
address = unicode(address)
except NameError:
address = str(address)
version = ipaddress.ip_address(address.split("/")[0]).version
return version
def addresses(self):
if self._values['addresses'] is None:
return None
result = []
for x in self._values['addresses']:
if is_valid_ip(x):
result.append(str(ip_address(u'{0}'.format(x))))
elif is_valid_ip_interface(x):
result.append(str(ip_interface(u'{0}'.format(x))))
else:
raise F5ModuleError(
"Address {0} must be either an IPv4 or IPv6 address or network."
.format(x))
result = sorted(result)
return result
def is_within_local_networks(self, address):
""" test if address is contained in our local networks """
networks = self.get_interfaces_networks()
try:
addr = ip_address(u'{0}'.format(address))
except ValueError:
return False
for network in networks:
try:
net = ip_network(u'{0}'.format(network), strict=False)
if addr in net:
return True
except ValueError:
pass
return False
def netmask(self):
if self._values['netmask'] is None:
return None
result = -1
try:
result = int(self._values['netmask'])
if 0 < result < 256:
pass
except ValueError:
if is_valid_ip(self._values['netmask']):
addr = ip_address(u'{0}'.format(str(self._values['netmask'])))
if addr.version == 4:
ip = ip_network(u'0.0.0.0/%s' % str(self._values['netmask']))
result = ip.prefixlen
else:
result = ipv6_netmask_to_cidr(self._values['netmask'])
if result < 0:
raise F5ModuleError(
'The provided netmask {0} is neither in IP or CIDR format'.format(result)
)
return result
def _check_subnet(self):
""" check if addr lies into interface subnets """
def _check_vips():
virtualips = self.pfsense.get_element('virtualip')
if virtualips is None:
return False
for vip_elt in virtualips:
if vip_elt.find('interface').text != self.interface_elt.tag or vip_elt.find('mode').text != 'other' or vip_elt.find('type').text != 'network':
continue
subnet = ip_network(u'{0}/{1}'.format(vip_elt.find('subnet').text, vip_elt.find('subnet_bits').text), strict=False)
if addr in subnet:
return True
return False
if self.params['ipprotocol'] == 'inet':
inet_type = 'IPv4'
f1_elt = self.interface_elt.find('ipaddr')
f2_elt = self.interface_elt.find('subnet')
else:
inet_type = 'IPv6'
f1_elt = self.interface_elt.find('ipaddrv6')
f2_elt = self.interface_elt.find('subnetv6')
if f1_elt is None or f1_elt.text is None or f2_elt is None or f2_elt.text is None:
self.module.fail_json(msg='Cannot add {0} Gateway Address because no {0} address could be found on the interface.'.format(inet_type))
try:
if self.params['nonlocalgateway']:
return
addr = ip_address(u'{0}'.format(self.params['gateway']))
subnet = ip_network(u'{0}/{1}'.format(f1_elt.text, f2_elt.text), strict=False)
if addr in subnet or _check_vips():
return
self.module.fail_json(msg="The gateway address {0} does not lie within one of the chosen interface's subnets.".format(self.params['gateway']))
except ValueError:
self.module.fail_json(msg='Cannot add {0} Gateway Address because no {0} address could be found on the interface.'.format(inet_type))
def parse_attribs(self, conf):
config = {}
ipaddrs = re.findall(r"address (\S+)", conf, re.M)
config["ipv4"] = []
config["ipv6"] = []
for item in ipaddrs:
item = item.strip("'")
if item == "dhcp":
config["ipv4"].append({"address": item})
elif item == "dhcpv6":
config["ipv6"].append({"address": item})
else:
ip_version = ipaddress.ip_address(item.split("/")[0]).version
if ip_version == 4:
config["ipv4"].append({"address": item})
else:
config["ipv6"].append({"address": item})
for key, value in iteritems(config):
if value == []:
config[key] = None
return utils.remove_empties(config)
def _normalize_ip(ip):
try:
return to_native(compat_ipaddress.ip_address(to_text(ip)).compressed)
except ValueError:
# We don't want to error out on something IPAddress() can't parse
return ip
