\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc. # # Permission to use, copy, modify, and distribute this software and its # documentation 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 NOMINUM DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM 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 cStringIO import struct import dns.exception import dns.inet import dns.name class IPSECKEY(dns.rdata.Rdata): """IPSECKEY record @ivar precedence: the precedence for this key data @type precedence: int @ivar gateway_type: the gateway type @type gateway_type: int @ivar algorithm: the algorithm to use @type algorithm: int @ivar gateway: the public key @type gateway: None, IPv4 address, IPV6 address, or domain name @ivar key: the public key @type key: string @see: RFC 4025""" __slots__ = ['precedence', 'gateway_type', 'algorithm', 'gateway', 'key'] def __init__(self, rdclass, rdtype, precedence, gateway_type, algorithm, gateway, key): super(IPSECKEY, self).__init__(rdclass, rdtype) if gateway_type == 0: if gateway != '.' and not gateway is None: raise SyntaxError('invalid gateway for gateway type 0') gateway = None elif gateway_type == 1: # check that it's OK junk = dns.inet.inet_pton(dns.inet.AF_INET, gateway) elif gateway_type == 2: # check that it's OK junk = dns.inet.inet_pton(dns.inet.AF_INET6, gateway) elif gateway_type == 3: pass else: raise SyntaxError('invalid IPSECKEY gateway type: %d' % gateway_type) self.precedence = precedence self.gateway_type = gateway_type self.algorithm = algorithm self.gateway = gateway self.key = key def to_text(self, origin=None, relativize=True, **kw): if self.gateway_type == 0: gateway = '.' elif self.gateway_type == 1: gateway = self.gateway elif self.gateway_type == 2: gateway = self.gateway elif self.gateway_type == 3: gateway = str(self.gateway.choose_relativity(origin, relativize)) else: raise ValueError('invalid gateway type') return '%d %d %d %s %s' % (self.precedence, self.gateway_type, self.algorithm, gateway, dns.rdata._base64ify(self.key)) def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): precedence = tok.get_uint8() gateway_type = tok.get_uint8() algorithm = tok.get_uint8() if gateway_type == 3: gateway = tok.get_name().choose_relativity(origin, relativize) else: gateway = tok.get_string() chunks = [] while 1: t = tok.get().unescape() if t.is_eol_or_eof(): break if not t.is_identifier(): raise dns.exception.SyntaxError chunks.append(t.value) b64 = ''.join(chunks) key = b64.decode('base64_codec') return cls(rdclass, rdtype, precedence, gateway_type, algorithm, gateway, key) from_text = classmethod(from_text) def to_wire(self, file, compress = None, origin = None): header = struct.pack("!BBB", self.precedence, self.gateway_type, self.algorithm) file.write(header) if self.gateway_type == 0: pass elif self.gateway_type == 1: file.write(dns.inet.inet_pton(dns.inet.AF_INET, self.gateway)) elif self.gateway_type == 2: file.write(dns.inet.inet