def _octet_to_cidr(octet, ipv4_compatible=False):
"""
Convert an ip octet to a ipv6 cidr
This may be dead code, not used anywhere.
"""
ipnet = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(octet)).\
ipv6(ipv4_compatible=ipv4_compatible)
return str(ipnet.ip)
def _octet_to_cidr(octet, ipv4_compatible=False):
"""
Convert an ip octet to a ipv6 cidr
This may be dead code, not used anywhere.
"""
ipnet = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(octet)).\
ipv6(ipv4_compatible=ipv4_compatible)
return str(ipnet.ip)
def __init__(self,
addr,
parse_netmask=True,
allow_loopback=False,
allow_multicast=False):
try:
super(CheckedIPAddress, self).__init__(addr)
except netaddr.core.AddrFormatError as e:
raise ValueError(e)
if isinstance(addr, CheckedIPAddress):
self.prefixlen = addr.prefixlen
return
if not parse_netmask and self._net:
raise ValueError(
"netmask and prefix length not allowed here: {}".format(addr))
if self.version not in (4, 6):
raise ValueError("unsupported IP version {}".format(self.version))
if not allow_loopback and self.is_loopback():
raise ValueError("cannot use loopback IP address {}".format(addr))
if (not self.is_loopback() and self.is_reserved()) \
or self in netaddr.ip.IPV4_6TO4:
raise ValueError(
"cannot use IANA reserved IP address {}".format(addr))
if self.is_link_local():
raise ValueError(
"cannot use link-local IP address {}".format(addr))
if not allow_multicast and self.is_multicast():
raise ValueError("cannot use multicast IP address {}".format(addr))
if self._net is None:
if self.version == 4:
self._net = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(str(self)))
elif self.version == 6:
self._net = netaddr.IPNetwork(str(self) + '/64')
self.prefixlen = self._net.prefixlen
def __init__(self, addr, parse_netmask=True,
allow_loopback=False, allow_multicast=False):
try:
super(CheckedIPAddress, self).__init__(addr)
except netaddr.core.AddrFormatError as e:
raise ValueError(e)
if isinstance(addr, CheckedIPAddress):
self.prefixlen = addr.prefixlen
return
if not parse_netmask and self._net:
raise ValueError(
"netmask and prefix length not allowed here: {}".format(addr))
if self.version not in (4, 6):
raise ValueError("unsupported IP version {}".format(self.version))
if not allow_loopback and self.is_loopback():
raise ValueError("cannot use loopback IP address {}".format(addr))
if (not self.is_loopback() and self.is_reserved()) \
or self in netaddr.ip.IPV4_6TO4:
raise ValueError(
"cannot use IANA reserved IP address {}".format(addr))
if self.is_link_local():
raise ValueError(
"cannot use link-local IP address {}".format(addr))
if not allow_multicast and self.is_multicast():
raise ValueError("cannot use multicast IP address {}".format(addr))
if self._net is None:
if self.version == 4:
self._net = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(str(self)))
elif self.version == 6:
self._net = netaddr.IPNetwork(str(self) + '/64')
self.prefixlen = self._net.prefixlen
def __init__(self, addr, match_local=False, parse_netmask=True,
allow_network=False, allow_loopback=False,
allow_broadcast=False, allow_multicast=False):
if isinstance(addr, CheckedIPAddress):
super(CheckedIPAddress, self).__init__(addr, flags=self.netaddr_ip_flags)
self.prefixlen = addr.prefixlen
self.defaultnet = addr.defaultnet
self.interface = addr.interface
return
net = None
iface = None
defnet = False
if isinstance(addr, netaddr.IPNetwork):
net = addr
addr = net.ip
elif isinstance(addr, netaddr.IPAddress):
pass
else:
try:
try:
addr = netaddr.IPAddress(str(addr), flags=self.netaddr_ip_flags)
except netaddr.AddrFormatError:
# netaddr.IPAddress doesn't handle zone indices in textual
# IPv6 addresses. Try removing zone index and parse the
# address again.
if not isinstance(addr, six.string_types):
raise
addr, sep, foo = addr.partition('%')
if sep != '%':
raise
addr = netaddr.IPAddress(str(addr), flags=self.netaddr_ip_flags)
if addr.version != 6:
raise
except ValueError:
net = netaddr.IPNetwork(str(addr), flags=self.netaddr_ip_flags)
if not parse_netmask:
raise ValueError("netmask and prefix length not allowed here")
addr = net.ip
if addr.version not in (4, 6):
raise ValueError("unsupported IP version")
if not allow_loopback and addr.is_loopback():
raise ValueError("cannot use loopback IP address")
if (not addr.is_loopback() and addr.is_reserved()) \
or addr in netaddr.ip.IPV4_6TO4:
raise ValueError("cannot use IANA reserved IP address")
if addr.is_link_local():
raise ValueError("cannot use link-local IP address")
if not allow_multicast and addr.is_multicast():
raise ValueError("cannot use multicast IP address")
if match_local:
if addr.version == 4:
family = 'inet'
elif addr.version == 6:
family = 'inet6'
ipresult = run([paths.IP, '-family', family, '-oneline', 'address', 'show'])
lines = ipresult[0].split('\n')
for line in lines:
fields = line.split()
if len(fields) < 4:
continue
ifnet = netaddr.IPNetwork(fields[3])
if ifnet == net or (net is None and ifnet.ip == addr):
net = ifnet
iface = fields[1]
break
if iface is None:
raise ValueError('No network interface matches the provided IP address and netmask')
if net is None:
defnet = True
if addr.version == 4:
net = netaddr.IPNetwork(netaddr.cidr_abbrev_to_verbose(str(addr)))
elif addr.version == 6:
net = netaddr.IPNetwork(str(addr) + '/64')
if not allow_network and addr == net.network:
raise ValueError("cannot use IP network address")
if not allow_broadcast and addr.version == 4 and addr == net.broadcast:
raise ValueError("cannot use broadcast IP address")
super(CheckedIPAddress, self).__init__(addr, flags=self.netaddr_ip_flags)
self.prefixlen = net.prefixlen
self.defaultnet = defnet
self.interface = iface
def __init__(self,
addr,
match_local=False,
parse_netmask=True,
allow_network=False,
allow_loopback=False,
allow_broadcast=False,
allow_multicast=False):
if isinstance(addr, CheckedIPAddress):
super(CheckedIPAddress, self).__init__(addr,
flags=self.netaddr_ip_flags)
self.prefixlen = addr.prefixlen
self.defaultnet = addr.defaultnet
self.interface = addr.interface
return
net = None
iface = None
defnet = False
if isinstance(addr, netaddr.IPNetwork):
net = addr
addr = net.ip
elif isinstance(addr, netaddr.IPAddress):
pass
else:
try:
try:
addr = netaddr.IPAddress(str(addr),
flags=self.netaddr_ip_flags)
except netaddr.AddrFormatError:
# netaddr.IPAddress doesn't handle zone indices in textual
# IPv6 addresses. Try removing zone index and parse the
# address again.
if not isinstance(addr, basestring):
raise
addr, sep, foo = addr.partition('%')
if sep != '%':
raise
addr = netaddr.IPAddress(str(addr),
flags=self.netaddr_ip_flags)
if addr.version != 6:
raise
except ValueError:
net = netaddr.IPNetwork(str(addr), flags=self.netaddr_ip_flags)
if not parse_netmask:
raise ValueError(
"netmask and prefix length not allowed here")
addr = net.ip
if addr.version not in (4, 6):
raise ValueError("unsupported IP version")
if not allow_loopback and addr.is_loopback():
raise ValueError("cannot use loopback IP address")
if (not addr.is_loopback() and addr.is_reserved()) \
or addr in netaddr.ip.IPV4_6TO4:
raise ValueError("cannot use IANA reserved IP address")
if addr.is_link_local():
raise ValueError("cannot use link-local IP address")
if not allow_multicast and addr.is_multicast():
raise ValueError("cannot use multicast IP address")
if match_local:
if addr.version == 4:
family = 'inet'
elif addr.version == 6:
family = 'inet6'
ipresult = run(
[paths.IP, '-family', family, '-oneline', 'address', 'show'])
lines = ipresult[0].split('\n')
for line in lines:
fields = line.split()
if len(fields) < 4:
continue
ifnet = netaddr.IPNetwork(fields[3])
if ifnet == net or (net is None and ifnet.ip == addr):
net = ifnet
iface = fields[1]
break
if iface is None:
raise ValueError(
'No network interface matches the provided IP address and netmask'
)
if net is None:
defnet = True
if addr.version == 4:
net = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(str(addr)))
elif addr.version == 6:
net = netaddr.IPNetwork(str(addr) + '/64')
if not allow_network and addr == net.network:
raise ValueError("cannot use IP network address")
if not allow_broadcast and addr.version == 4 and addr == net.broadcast:
raise ValueError("cannot use broadcast IP address")
super(CheckedIPAddress, self).__init__(addr,
flags=self.netaddr_ip_flags)
self.prefixlen = net.prefixlen
self.defaultnet = defnet
self.interface = iface
def __init__(self, addr, match_local=False, parse_netmask=True,
allow_loopback=False, allow_multicast=False):
try:
super(CheckedIPAddress, self).__init__(addr)
except netaddr.core.AddrFormatError as e:
raise ValueError(e)
if isinstance(addr, CheckedIPAddress):
self.prefixlen = addr.prefixlen
return
if not parse_netmask and self._net:
raise ValueError(
"netmask and prefix length not allowed here: {}".format(addr))
if self.version not in (4, 6):
raise ValueError("unsupported IP version {}".format(self.version))
if not allow_loopback and self.is_loopback():
raise ValueError("cannot use loopback IP address {}".format(addr))
if (not self.is_loopback() and self.is_reserved()) \
or self in netaddr.ip.IPV4_6TO4:
raise ValueError(
"cannot use IANA reserved IP address {}".format(addr))
if self.is_link_local():
raise ValueError(
"cannot use link-local IP address {}".format(addr))
if not allow_multicast and self.is_multicast():
raise ValueError("cannot use multicast IP address {}".format(addr))
if match_local:
if self.version == 4:
family = netifaces.AF_INET
elif self.version == 6:
family = netifaces.AF_INET6
else:
raise ValueError(
"Unsupported address family ({})".format(self.version)
)
iface = None
for interface in netifaces.interfaces():
for ifdata in netifaces.ifaddresses(interface).get(family, []):
# link-local addresses contain '%suffix' that causes parse
# errors in IPNetwork
ifaddr = ifdata['addr'].split(u'%', 1)[0]
ifnet = netaddr.IPNetwork('{addr}/{netmask}'.format(
addr=ifaddr,
netmask=ifdata['netmask']
))
if ifnet == self._net or (
self._net is None and ifnet.ip == self):
self._net = ifnet
iface = interface
break
if iface is None:
raise ValueError('no network interface matches the IP address '
'and netmask {}'.format(addr))
if self._net is None:
if self.version == 4:
self._net = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(str(self)))
elif self.version == 6:
self._net = netaddr.IPNetwork(str(self) + '/64')
self.prefixlen = self._net.prefixlen
def __init__(self, addr, match_local=False, parse_netmask=True,
allow_loopback=False, allow_multicast=False):
try:
super(CheckedIPAddress, self).__init__(addr)
except netaddr.core.AddrFormatError as e:
raise ValueError(e)
if isinstance(addr, CheckedIPAddress):
self.prefixlen = addr.prefixlen
return
if not parse_netmask and self._net:
raise ValueError(
"netmask and prefix length not allowed here: {}".format(addr))
if self.version not in (4, 6):
raise ValueError("unsupported IP version {}".format(self.version))
if not allow_loopback and self.is_loopback():
raise ValueError("cannot use loopback IP address {}".format(addr))
if (not self.is_loopback() and self.is_reserved()) \
or self in netaddr.ip.IPV4_6TO4:
raise ValueError(
"cannot use IANA reserved IP address {}".format(addr))
if self.is_link_local():
raise ValueError(
"cannot use link-local IP address {}".format(addr))
if not allow_multicast and self.is_multicast():
raise ValueError("cannot use multicast IP address {}".format(addr))
if match_local:
if self.version == 4:
family = netifaces.AF_INET
elif self.version == 6:
family = netifaces.AF_INET6
else:
raise ValueError(
"Unsupported address family ({})".format(self.version)
)
iface = None
for interface in netifaces.interfaces():
for ifdata in netifaces.ifaddresses(interface).get(family, []):
# link-local addresses contain '%suffix' that causes parse
# errors in IPNetwork
ifaddr = ifdata['addr'].split(u'%', 1)[0]
ifnet = netaddr.IPNetwork('{addr}/{netmask}'.format(
addr=ifaddr,
netmask=ifdata['netmask']
))
if ifnet == self._net or (
self._net is None and ifnet.ip == self):
self._net = ifnet
iface = interface
break
if iface is None:
raise ValueError('no network interface matches the IP address '
'and netmask {}'.format(addr))
if self._net is None:
if self.version == 4:
self._net = netaddr.IPNetwork(
netaddr.cidr_abbrev_to_verbose(str(self)))
elif self.version == 6:
self._net = netaddr.IPNetwork(str(self) + '/64')
self.prefixlen = self._net.prefixlen
def test_cidr_abbrev_to_verbose():
octets = range(0, 256)
cidrs = [cidr_abbrev_to_verbose(octet) for octet in octets]
assert len(cidrs) == 256
assert cidrs == [
'0.0.0.0/8',
'1.0.0.0/8',
'2.0.0.0/8',
'3.0.0.0/8',
'4.0.0.0/8',
'5.0.0.0/8',
'6.0.0.0/8',
'7.0.0.0/8',
'8.0.0.0/8',
'9.0.0.0/8',
'10.0.0.0/8',
'11.0.0.0/8',
'12.0.0.0/8',
'13.0.0.0/8',
'14.0.0.0/8',
'15.0.0.0/8',
'16.0.0.0/8',
'17.0.0.0/8',
'18.0.0.0/8',
'19.0.0.0/8',
'20.0.0.0/8',
'21.0.0.0/8',
'22.0.0.0/8',
'23.0.0.0/8',
'24.0.0.0/8',
'25.0.0.0/8',
'26.0.0.0/8',
'27.0.0.0/8',
'28.0.0.0/8',
'29.0.0.0/8',
'30.0.0.0/8',
'31.0.0.0/8',
'32.0.0.0/8',
'33.0.0.0/8',
'34.0.0.0/8',
'35.0.0.0/8',
'36.0.0.0/8',
'37.0.0.0/8',
'38.0.0.0/8',
'39.0.0.0/8',
'40.0.0.0/8',
'41.0.0.0/8',
'42.0.0.0/8',
'43.0.0.0/8',
'44.0.0.0/8',
'45.0.0.0/8',
'46.0.0.0/8',
'47.0.0.0/8',
'48.0.0.0/8',
'49.0.0.0/8',
'50.0.0.0/8',
'51.0.0.0/8',
'52.0.0.0/8',
'53.0.0.0/8',
'54.0.0.0/8',
'55.0.0.0/8',
'56.0.0.0/8',
'57.0.0.0/8',
'58.0.0.0/8',
'59.0.0.0/8',
'60.0.0.0/8',
'61.0.0.0/8',
'62.0.0.0/8',
'63.0.0.0/8',
'64.0.0.0/8',
'65.0.0.0/8',
'66.0.0.0/8',
'67.0.0.0/8',
'68.0.0.0/8',
'69.0.0.0/8',
'70.0.0.0/8',
'71.0.0.0/8',
'72.0.0.0/8',
'73.0.0.0/8',
'74.0.0.0/8',
'75.0.0.0/8',
'76.0.0.0/8',
'77.0.0.0/8',
'78.0.0.0/8',
'79.0.0.0/8',
'80.0.0.0/8',
'81.0.0.0/8',
'82.0.0.0/8',
'83.0.0.0/8',
'84.0.0.0/8',
'85.0.0.0/8',
'86.0.0.0/8',
'87.0.0.0/8',
'88.0.0.0/8',
'89.0.0.0/8',
'90.0.0.0/8',
'91.0.0.0/8',
'92.0.0.0/8',
'93.0.0.0/8',
'94.0.0.0/8',
'95.0.0.0/8',
'96.0.0.0/8',
'97.0.0.0/8',
'98.0.0.0/8',
'99.0.0.0/8',
'100.0.0.0/8',
'101.0.0.0/8',
'102.0.0.0/8',
'103.0.0.0/8',
'104.0.0.0/8',
'105.0.0.0/8',
'106.0.0.0/8',
'107.0.0.0/8',
'108.0.0.0/8',
'109.0.0.0/8',
'110.0.0.0/8',
'111.0.0.0/8',
'112.0.0.0/8',
'113.0.0.0/8',
'114.0.0.0/8',
'115.0.0.0/8',
'116.0.0.0/8',
'117.0.0.0/8',
'118.0.0.0/8',
'119.0.0.0/8',
'120.0.0.0/8',
'121.0.0.0/8',
'122.0.0.0/8',
'123.0.0.0/8',
'124.0.0.0/8',
'125.0.0.0/8',
'126.0.0.0/8',
'127.0.0.0/8',
'128.0.0.0/16',
'129.0.0.0/16',
'130.0.0.0/16',
'131.0.0.0/16',
'132.0.0.0/16',
'133.0.0.0/16',
'134.0.0.0/16',
'135.0.0.0/16',
'136.0.0.0/16',
'137.0.0.0/16',
'138.0.0.0/16',
'139.0.0.0/16',
'140.0.0.0/16',
'141.0.0.0/16',
'142.0.0.0/16',
'143.0.0.0/16',
'144.0.0.0/16',
'145.0.0.0/16',
'146.0.0.0/16',
'147.0.0.0/16',
'148.0.0.0/16',
'149.0.0.0/16',
'150.0.0.0/16',
'151.0.0.0/16',
'152.0.0.0/16',
'153.0.0.0/16',
'154.0.0.0/16',
'155.0.0.0/16',
'156.0.0.0/16',
'157.0.0.0/16',
'158.0.0.0/16',
'159.0.0.0/16',
'160.0.0.0/16',
'161.0.0.0/16',
'162.0.0.0/16',
'163.0.0.0/16',
'164.0.0.0/16',
'165.0.0.0/16',
'166.0.0.0/16',
'167.0.0.0/16',
'168.0.0.0/16',
'169.0.0.0/16',
'170.0.0.0/16',
'171.0.0.0/16',
'172.0.0.0/16',
'173.0.0.0/16',
'174.0.0.0/16',
'175.0.0.0/16',
'176.0.0.0/16',
'177.0.0.0/16',
'178.0.0.0/16',
'179.0.0.0/16',
'180.0.0.0/16',
'181.0.0.0/16',
'182.0.0.0/16',
'183.0.0.0/16',
'184.0.0.0/16',
'185.0.0.0/16',
'186.0.0.0/16',
'187.0.0.0/16',
'188.0.0.0/16',
'189.0.0.0/16',
'190.0.0.0/16',
'191.0.0.0/16',
'192.0.0.0/24',
'193.0.0.0/24',
'194.0.0.0/24',
'195.0.0.0/24',
'196.0.0.0/24',
'197.0.0.0/24',
'198.0.0.0/24',
'199.0.0.0/24',
'200.0.0.0/24',
'201.0.0.0/24',
'202.0.0.0/24',
'203.0.0.0/24',
'204.0.0.0/24',
'205.0.0.0/24',
'206.0.0.0/24',
'207.0.0.0/24',
'208.0.0.0/24',
'209.0.0.0/24',
'210.0.0.0/24',
'211.0.0.0/24',
'212.0.0.0/24',
'213.0.0.0/24',
'214.0.0.0/24',
'215.0.0.0/24',
'216.0.0.0/24',
'217.0.0.0/24',
'218.0.0.0/24',
'219.0.0.0/24',
'220.0.0.0/24',
'221.0.0.0/24',
'222.0.0.0/24',
'223.0.0.0/24',
'224.0.0.0/4',
'225.0.0.0/4',
'226.0.0.0/4',
'227.0.0.0/4',
'228.0.0.0/4',
'229.0.0.0/4',
'230.0.0.0/4',
'231.0.0.0/4',
'232.0.0.0/4',
'233.0.0.0/4',
'234.0.0.0/4',
'235.0.0.0/4',
'236.0.0.0/4',
'237.0.0.0/4',
'238.0.0.0/4',
'239.0.0.0/4',
'240.0.0.0/32',
'241.0.0.0/32',
'242.0.0.0/32',
'243.0.0.0/32',
'244.0.0.0/32',
'245.0.0.0/32',
'246.0.0.0/32',
'247.0.0.0/32',
'248.0.0.0/32',
'249.0.0.0/32',
'250.0.0.0/32',
'251.0.0.0/32',
'252.0.0.0/32',
'253.0.0.0/32',
'254.0.0.0/32',
'255.0.0.0/32',
]
def test_cidr_abbrev_to_verbose_invalid_prefixlen():
assert cidr_abbrev_to_verbose('192.0.2.0/33') == '192.0.2.0/33'