diff options
Diffstat (limited to 'source4/scripting/python/samba_external/dnspython/dns/rdtypes/dsbase.py')
-rw-r--r-- | source4/scripting/python/samba_external/dnspython/dns/rdtypes/dsbase.py | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/source4/scripting/python/samba_external/dnspython/dns/rdtypes/dsbase.py b/source4/scripting/python/samba_external/dnspython/dns/rdtypes/dsbase.py deleted file mode 100644 index aa46403a5f..0000000000 --- a/source4/scripting/python/samba_external/dnspython/dns/rdtypes/dsbase.py +++ /dev/null @@ -1,92 +0,0 @@ -# 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 struct - -import dns.rdata -import dns.rdatatype - -class DSBase(dns.rdata.Rdata): - """Base class for rdata that is like a DS record - - @ivar key_tag: the key tag - @type key_tag: int - @ivar algorithm: the algorithm - @type algorithm: int - @ivar digest_type: the digest type - @type digest_type: int - @ivar digest: the digest - @type digest: int - @see: draft-ietf-dnsext-delegation-signer-14.txt""" - - __slots__ = ['key_tag', 'algorithm', 'digest_type', 'digest'] - - def __init__(self, rdclass, rdtype, key_tag, algorithm, digest_type, - digest): - super(DSBase, self).__init__(rdclass, rdtype) - self.key_tag = key_tag - self.algorithm = algorithm - self.digest_type = digest_type - self.digest = digest - - def to_text(self, origin=None, relativize=True, **kw): - return '%d %d %d %s' % (self.key_tag, self.algorithm, - self.digest_type, - dns.rdata._hexify(self.digest, - chunksize=128)) - - def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): - key_tag = tok.get_uint16() - algorithm = tok.get_uint8() - digest_type = tok.get_uint8() - 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) - digest = ''.join(chunks) - digest = digest.decode('hex_codec') - return cls(rdclass, rdtype, key_tag, algorithm, digest_type, - digest) - - from_text = classmethod(from_text) - - def to_wire(self, file, compress = None, origin = None): - header = struct.pack("!HBB", self.key_tag, self.algorithm, - self.digest_type) - file.write(header) - file.write(self.digest) - - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None): - header = struct.unpack("!HBB", wire[current : current + 4]) - current += 4 - rdlen -= 4 - digest = wire[current : current + rdlen] - return cls(rdclass, rdtype, header[0], header[1], header[2], digest) - - from_wire = classmethod(from_wire) - - def _cmp(self, other): - hs = struct.pack("!HBB", self.key_tag, self.algorithm, - self.digest_type) - ho = struct.pack("!HBB", other.key_tag, other.algorithm, - other.digest_type) - v = cmp(hs, ho) - if v == 0: - v = cmp(self.digest, other.digest) - return v |