| Index: Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/rdtypes/ANY/HIP.py
|
| diff --git a/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/rdtypes/ANY/HIP.py b/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/rdtypes/ANY/HIP.py
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| new file mode 100644
|
| index 0000000000000000000000000000000000000000..8f96ae93d640cc8dbd4a699a494fa94c8c6b902d
|
| --- /dev/null
|
| +++ b/Tools/Scripts/webkitpy/thirdparty/webpagereplay/third_party/dns/rdtypes/ANY/HIP.py
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| @@ -0,0 +1,140 @@
|
| +# Copyright (C) 2010 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 string
|
| +import struct
|
| +
|
| +import dns.exception
|
| +import dns.rdata
|
| +import dns.rdatatype
|
| +
|
| +class HIP(dns.rdata.Rdata):
|
| + """HIP record
|
| +
|
| + @ivar hit: the host identity tag
|
| + @type hit: string
|
| + @ivar algorithm: the public key cryptographic algorithm
|
| + @type algorithm: int
|
| + @ivar key: the public key
|
| + @type key: string
|
| + @ivar servers: the rendezvous servers
|
| + @type servers: list of dns.name.Name objects
|
| + @see: RFC 5205"""
|
| +
|
| + __slots__ = ['hit', 'algorithm', 'key', 'servers']
|
| +
|
| + def __init__(self, rdclass, rdtype, hit, algorithm, key, servers):
|
| + super(HIP, self).__init__(rdclass, rdtype)
|
| + self.hit = hit
|
| + self.algorithm = algorithm
|
| + self.key = key
|
| + self.servers = servers
|
| +
|
| + def to_text(self, origin=None, relativize=True, **kw):
|
| + hit = self.hit.encode('hex-codec')
|
| + key = self.key.encode('base64-codec').replace('\n', '')
|
| + text = ''
|
| + servers = []
|
| + for server in self.servers:
|
| + servers.append(str(server.choose_relativity(origin, relativize)))
|
| + if len(servers) > 0:
|
| + text += (' ' + ' '.join(servers))
|
| + return '%u %s %s%s' % (self.algorithm, hit, key, text)
|
| +
|
| + def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
|
| + algorithm = tok.get_uint8()
|
| + hit = tok.get_string().decode('hex-codec')
|
| + if len(hit) > 255:
|
| + raise dns.exception.SyntaxError("HIT too long")
|
| + key = tok.get_string().decode('base64-codec')
|
| + servers = []
|
| + while 1:
|
| + token = tok.get()
|
| + if token.is_eol_or_eof():
|
| + break
|
| + server = dns.name.from_text(token.value, origin)
|
| + server.choose_relativity(origin, relativize)
|
| + servers.append(server)
|
| + return cls(rdclass, rdtype, hit, algorithm, key, servers)
|
| +
|
| + from_text = classmethod(from_text)
|
| +
|
| + def to_wire(self, file, compress = None, origin = None):
|
| + lh = len(self.hit)
|
| + lk = len(self.key)
|
| + file.write(struct.pack("!BBH", lh, self.algorithm, lk))
|
| + file.write(self.hit)
|
| + file.write(self.key)
|
| + for server in self.servers:
|
| + server.to_wire(file, None, origin)
|
| +
|
| + def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
|
| + (lh, algorithm, lk) = struct.unpack('!BBH',
|
| + wire[current : current + 4])
|
| + current += 4
|
| + rdlen -= 4
|
| + hit = wire[current : current + lh]
|
| + current += lh
|
| + rdlen -= lh
|
| + key = wire[current : current + lk]
|
| + current += lk
|
| + rdlen -= lk
|
| + servers = []
|
| + while rdlen > 0:
|
| + (server, cused) = dns.name.from_wire(wire[: current + rdlen],
|
| + current)
|
| + current += cused
|
| + rdlen -= cused
|
| + if not origin is None:
|
| + server = server.relativize(origin)
|
| + servers.append(server)
|
| + return cls(rdclass, rdtype, hit, algorithm, key, servers)
|
| +
|
| + from_wire = classmethod(from_wire)
|
| +
|
| + def choose_relativity(self, origin = None, relativize = True):
|
| + servers = []
|
| + for server in self.servers:
|
| + server = server.choose_relativity(origin, relativize)
|
| + servers.append(server)
|
| + self.servers = servers
|
| +
|
| + def _cmp(self, other):
|
| + b1 = cStringIO.StringIO()
|
| + lh = len(self.hit)
|
| + lk = len(self.key)
|
| + b1.write(struct.pack("!BBH", lh, self.algorithm, lk))
|
| + b1.write(self.hit)
|
| + b1.write(self.key)
|
| + b2 = cStringIO.StringIO()
|
| + lh = len(other.hit)
|
| + lk = len(other.key)
|
| + b2.write(struct.pack("!BBH", lh, other.algorithm, lk))
|
| + b2.write(other.hit)
|
| + b2.write(other.key)
|
| + v = cmp(b1.getvalue(), b2.getvalue())
|
| + if v != 0:
|
| + return v
|
| + ls = len(self.servers)
|
| + lo = len(other.servers)
|
| + count = min(ls, lo)
|
| + i = 0
|
| + while i < count:
|
| + v = cmp(self.servers[i], other.servers[i])
|
| + if v != 0:
|
| + return v
|
| + i += 1
|
| + return ls - lo
|
|
|