--- /dev/null
+# Copyright (C) 2003-2007, 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 dns.rdtypes.mxbase
+import struct
+
+class A(dns.rdtypes.mxbase.MXBase):
+
+ """A record for Chaosnet
+ @ivar domain: the domain of the address
+ @type domain: dns.name.Name object
+ @ivar address: the 16-bit address
+ @type address: int"""
+
+ __slots__ = ['domain', 'address']
+
+ def __init__(self, rdclass, rdtype, address, domain):
+ super(dns.rdtypes.mxbase.MXBase, self).__init__(rdclass, rdtype)
+ self.domain = domain
+ self.address = address
+
+ def to_text(self, origin=None, relativize=True, **kw):
+ domain = self.domain.choose_relativity(origin, relativize)
+ return '%s %o' % (domain, self.address)
+
+ @classmethod
+ def from_text(cls, rdclass, rdtype, tok, origin=None, relativize=True):
+ domain = tok.get_name()
+ address = tok.get_uint16(base=8)
+ domain = domain.choose_relativity(origin, relativize)
+ tok.get_eol()
+ return cls(rdclass, rdtype, address, domain)
+
+ def to_wire(self, file, compress=None, origin=None):
+ self.domain.to_wire(file, compress, origin)
+ pref = struct.pack("!H", self.address)
+ file.write(pref)
+
+ def to_digestable(self, origin=None):
+ return self.domain.to_digestable(origin) + \
+ struct.pack("!H", self.address)
+
+ @classmethod
+ def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin=None):
+ (domain, cused) = dns.name.from_wire(wire[: current + rdlen-2],
+ current)
+ current += cused
+ (address,) = struct.unpack('!H', wire[current: current + 2])
+ if cused+2 != rdlen:
+ raise dns.exception.FormError
+ if origin is not None:
+ domain = domain.relativize(origin)
+ return cls(rdclass, rdtype, address, domain)
+
+ def choose_relativity(self, origin=None, relativize=True):
+ self.domain = self.domain.choose_relativity(origin, relativize)
--- /dev/null
+# Copyright (C) 2003-2007, 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.
+
+"""Class CH rdata type classes."""
+
+__all__ = [
+ 'A',
+]
# Helpers
- def get_int(self):
+ def get_int(self,base=10):
"""Read the next token and interpret it as an integer.
Raises dns.exception.SyntaxError if not an integer.
raise dns.exception.SyntaxError('expecting an identifier')
if not token.value.isdigit():
raise dns.exception.SyntaxError('expecting an integer')
- return int(token.value)
+ return int(token.value,base)
def get_uint8(self):
"""Read the next token and interpret it as an 8-bit unsigned
'%d is not an unsigned 8-bit integer' % value)
return value
- def get_uint16(self):
+ def get_uint16(self,base=10):
"""Read the next token and interpret it as a 16-bit unsigned
integer.
Returns an int.
"""
- value = self.get_int()
+ value = self.get_int(base=base)
if value < 0 or value > 65535:
- raise dns.exception.SyntaxError(
- '%d is not an unsigned 16-bit integer' % value)
+ if base==8:
+ raise dns.exception.SyntaxError(
+ '%o is not an octal unsigned 16-bit integer' % value)
+ else:
+ raise dns.exception.SyntaxError(
+ '%d is not an unsigned 16-bit integer' % value)
return value
def get_uint32(self):