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Diffstat (limited to 'rpkid.stable/rpki/ipaddrs.py')
-rw-r--r-- | rpkid.stable/rpki/ipaddrs.py | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/rpkid.stable/rpki/ipaddrs.py b/rpkid.stable/rpki/ipaddrs.py deleted file mode 100644 index db6a5891..00000000 --- a/rpkid.stable/rpki/ipaddrs.py +++ /dev/null @@ -1,103 +0,0 @@ -"""Classes to represent IP addresses. - -Given some of the other operations we need to perform on them, it's -most convenient to represent IP addresses as Python "long" values. -The classes in this module just wrap suitable read/write syntax around -the underlying "long" type. - -These classes also supply a "bits" attribute for use by other code -built on these classes; for the most part, IPv6 addresses really are -just IPv4 addresses with more bits, so we supply the number of bits -once, here, thus avoiding a lot of duplicate code elsewhere. - -$Id$ - - -Copyright (C) 2009 Internet Systems Consortium ("ISC") - -Permission to use, copy, modify, and distribute this software for any -purpose with or without fee is hereby granted, provided that the above -copyright notice and this permission notice appear in all copies. - -THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH -REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, -INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE -OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -PERFORMANCE OF THIS SOFTWARE. - - -Portions copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN") - -Permission to use, copy, modify, and distribute this software for any -purpose with or without fee is hereby granted, provided that the above -copyright notice and this permission notice appear in all copies. - -THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH -REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -AND FITNESS. IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT, -INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE -OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -PERFORMANCE OF THIS SOFTWARE. -""" - -import socket, struct - -class v4addr(long): - """IPv4 address. - - Derived from long, but supports IPv4 print syntax. - """ - - bits = 32 - - def __new__(cls, x): - """Construct a v4addr object.""" - if isinstance(x, str): - return cls.from_bytes(socket.inet_pton(socket.AF_INET, ".".join(str(int(i)) for i in x.split(".")))) - else: - return long.__new__(cls, x) - - def to_bytes(self): - """Convert a v4addr object to a raw byte string.""" - return struct.pack("!I", long(self)) - - @classmethod - def from_bytes(cls, x): - """Convert from a raw byte string to a v4addr object.""" - return cls(struct.unpack("!I", x)[0]) - - def __str__(self): - """Convert a v4addr object to string format.""" - return socket.inet_ntop(socket.AF_INET, self.to_bytes()) - -class v6addr(long): - """IPv6 address. - - Derived from long, but supports IPv6 print syntax. - """ - - bits = 128 - - def __new__(cls, x): - """Construct a v6addr object.""" - if isinstance(x, str): - return cls.from_bytes(socket.inet_pton(socket.AF_INET6, x)) - else: - return long.__new__(cls, x) - - def to_bytes(self): - """Convert a v6addr object to a raw byte string.""" - return struct.pack("!QQ", long(self) >> 64, long(self) & 0xFFFFFFFFFFFFFFFF) - - @classmethod - def from_bytes(cls, x): - """Convert from a raw byte string to a v6addr object.""" - x = struct.unpack("!QQ", x) - return cls((x[0] << 64) | x[1]) - - def __str__(self): - """Convert a v6addr object to string format.""" - return socket.inet_ntop(socket.AF_INET6, self.to_bytes()) |