1 files changed, 77 insertions, 0 deletions
diff --git a/third_party/dnspython/dns/rdtypes/ANY/SSHFP.py b/third_party/dnspython/dns/rdtypes/ANY/SSHFP.py
new file mode 100644
index 0000000000..cec650a570
--- /dev/null
+++ b/third_party/dnspython/dns/rdtypes/ANY/SSHFP.py
@@ -0,0 +1,77 @@
+# Copyright (C) 2005-2007, 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 struct
+
+import dns.rdata
+import dns.rdatatype
+
+class SSHFP(dns.rdata.Rdata):
+    """SSHFP record
+
+    @ivar algorithm: the algorithm
+    @type algorithm: int
+    @ivar fp_type: the digest type
+    @type fp_type: int
+    @ivar fingerprint: the fingerprint
+    @type fingerprint: string
+    @see: draft-ietf-secsh-dns-05.txt"""
+
+    __slots__ = ['algorithm', 'fp_type', 'fingerprint']
+
+    def __init__(self, rdclass, rdtype, algorithm, fp_type,
+                 fingerprint):
+        super(SSHFP, self).__init__(rdclass, rdtype)
+        self.algorithm = algorithm
+        self.fp_type = fp_type
+        self.fingerprint = fingerprint
+
+    def to_text(self, origin=None, relativize=True, **kw):
+        return '%d %d %s' % (self.algorithm,
+                             self.fp_type,
+                             dns.rdata._hexify(self.fingerprint,
+                                               chunksize=128))
+
+    def from_text(cls, rdclass, rdtype, tok, origin = None, relativize = True):
+        algorithm = tok.get_uint8()
+        fp_type = tok.get_uint8()
+        fingerprint = tok.get_string()
+        fingerprint = fingerprint.decode('hex_codec')
+        tok.get_eol()
+        return cls(rdclass, rdtype, algorithm, fp_type, fingerprint)
+
+    from_text = classmethod(from_text)
+
+    def to_wire(self, file, compress = None, origin = None):
+        header = struct.pack("!BB", self.algorithm, self.fp_type)
+        file.write(header)
+        file.write(self.fingerprint)
+
+    def from_wire(cls, rdclass, rdtype, wire, current, rdlen, origin = None):
+        header = struct.unpack("!BB", wire[current : current + 2])
+        current += 2
+        rdlen -= 2
+        fingerprint = wire[current : current + rdlen].unwrap()
+        return cls(rdclass, rdtype, header[0], header[1], fingerprint)
+
+    from_wire = classmethod(from_wire)
+
+    def _cmp(self, other):
+        hs = struct.pack("!BB", self.algorithm, self.fp_type)
+        ho = struct.pack("!BB", other.algorithm, other.fp_type)
+        v = cmp(hs, ho)
+        if v == 0:
+            v = cmp(self.fingerprint, other.fingerprint)
+        return v