diff options
Diffstat (limited to 'third_party/dnspython/dns/rdtypes/ANY/RRSIG.py')
| -rw-r--r-- | third_party/dnspython/dns/rdtypes/ANY/RRSIG.py | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/third_party/dnspython/dns/rdtypes/ANY/RRSIG.py b/third_party/dnspython/dns/rdtypes/ANY/RRSIG.py deleted file mode 100644 index 63d389cd7ae..00000000000 --- a/third_party/dnspython/dns/rdtypes/ANY/RRSIG.py +++ /dev/null @@ -1,155 +0,0 @@ -# Copyright (C) 2004-2007, 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 calendar -import struct -import time - -import dns.dnssec -import dns.exception -import dns.rdata -import dns.rdatatype - -class BadSigTime(dns.exception.DNSException): - """Raised when a SIG or RRSIG RR's time cannot be parsed.""" - pass - -def sigtime_to_posixtime(what): - if len(what) != 14: - raise BadSigTime - year = int(what[0:4]) - month = int(what[4:6]) - day = int(what[6:8]) - hour = int(what[8:10]) - minute = int(what[10:12]) - second = int(what[12:14]) - return calendar.timegm((year, month, day, hour, minute, second, - 0, 0, 0)) - -def posixtime_to_sigtime(what): - return time.strftime('%Y%m%d%H%M%S', time.gmtime(what)) - -class RRSIG(dns.rdata.Rdata): - """RRSIG record - - @ivar type_covered: the rdata type this signature covers - @type type_covered: int - @ivar algorithm: the algorithm used for the sig - @type algorithm: int - @ivar labels: number of labels - @type labels: int - @ivar original_ttl: the original TTL - @type original_ttl: long - @ivar expiration: signature expiration time - @type expiration: long - @ivar inception: signature inception time - @type inception: long - @ivar key_tag: the key tag - @type key_tag: int - @ivar signer: the signer - @type signer: dns.name.Name object - @ivar signature: the signature - @type signature: string""" - - __slots__ = ['type_covered', 'algorithm', 'labels', 'original_ttl', - 'expiration', 'inception', 'key_tag', 'signer', - 'signature'] - - def __init__(self, rdclass, rdtype, type_covered, algorithm, labels, - original_ttl, expiration, inception, key_tag, signer, - signature): - super(RRSIG, self).__init__(rdclass, rdtype) - self.type_covered = type_covered - self.algorithm = algorithm - self.labels = labels - self.original_ttl = original_ttl - self.expiration = expiration - self.inception = inception - self.key_tag = key_tag - self.signer = signer - self.signature = signature - - def covers(self): - return self.type_covered - - def to_text(self, origin=None, relativize=True, **kw): - return '%s %d %d %d %s %s %d %s %s' % ( - dns.rdatatype.to_text(self.type_covered), - self.algorithm, - self.labels, - self.original_ttl, - posixtime_to_sigtime(self.expiration), - posixtime_to_sigtime(self.inception), - self.key_tag, - self.signer, - dns.rdata._base64ify(self.signature) - ) - - def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True): - type_covered = dns.rdatatype.from_text(tok.get_string()) - algorithm = dns.dnssec.algorithm_from_text(tok.get_string()) - labels = tok.get_int() - original_ttl = tok.get_ttl() - expiration = sigtime_to_posixtime(tok.get_string()) - inception = sigtime_to_posixtime(tok.get_string()) - key_tag = tok.get_int() - signer = tok.get_name() - signer = signer.choose_relativity(origin, relativize) - 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) - signature = b64.decode('base64_codec') - return cls(rdclass, rdtype, type_covered, algorithm, labels, - original_ttl, expiration, inception, key_tag, signer, - signature) - - from_text = classmethod(from_text) - - def to_wire(self, file, compress = None, origin = None): - header = struct.pack('!HBBIIIH', self.type_covered, - self.algorithm, self.labels, - self.original_ttl, self.expiration, - self.inception, self.key_tag) - file.write(header) - self.signer.to_wire(file, None, origin) - file.write(self.signature) - - def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None): - header = struct.unpack('!HBBIIIH', wire[current : current + 18]) - current += 18 - rdlen -= 18 - (signer, cused) = dns.name.from_wire(wire[: current + rdlen], current) - current += cused - rdlen -= cused - if not origin is None: - signer = signer.relativize(origin) - signature = wire[current : current + rdlen].unwrap() - return cls(rdclass, rdtype, header[0], header[1], header[2], - header[3], header[4], header[5], header[6], signer, - signature) - - from_wire = classmethod(from_wire) - - def choose_relativity(self, origin = None, relativize = True): - self.signer = self.signer.choose_relativity(origin, relativize) - - def _cmp(self, other): - return self._wire_cmp(other) |