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-rw-r--r--rpkid.stable/rpki/ipaddrs.py103
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diff --git a/rpkid.stable/rpki/ipaddrs.py b/rpkid.stable/rpki/ipaddrs.py
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-"""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())