From a0072e6df352eb070076a8f6ea11c518136f137c Mon Sep 17 00:00:00 2001
From: Aki Tuomi <cmouse@cmouse.fi>
Date: Wed, 18 Feb 2015 21:39:19 +0200
Subject: [PATCH] Regression test for TKEY support

---
 regression-tests/tests/tkey-awareness/command |  3 ++
 .../tests/tkey-awareness/description          |  1 +
 .../tests/tkey-awareness/expected_result      |  2 +
 regression-tests/tkey.py                      | 45 +++++++++++++++++++
 4 files changed, 51 insertions(+)
 create mode 100755 regression-tests/tests/tkey-awareness/command
 create mode 100644 regression-tests/tests/tkey-awareness/description
 create mode 100644 regression-tests/tests/tkey-awareness/expected_result
 create mode 100755 regression-tests/tkey.py

diff --git a/regression-tests/tests/tkey-awareness/command b/regression-tests/tests/tkey-awareness/command
new file mode 100755
index 000000000..9784f83e9
--- /dev/null
+++ b/regression-tests/tests/tkey-awareness/command
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+tkey.py $nameserver $port
diff --git a/regression-tests/tests/tkey-awareness/description b/regression-tests/tests/tkey-awareness/description
new file mode 100644
index 000000000..2a2d221e6
--- /dev/null
+++ b/regression-tests/tests/tkey-awareness/description
@@ -0,0 +1 @@
+Make sure TKEY query is understood and rejected properly
diff --git a/regression-tests/tests/tkey-awareness/expected_result b/regression-tests/tests/tkey-awareness/expected_result
new file mode 100644
index 000000000..8f2ed2614
--- /dev/null
+++ b/regression-tests/tests/tkey-awareness/expected_result
@@ -0,0 +1,2 @@
+Got expected TKEY response
+
diff --git a/regression-tests/tkey.py b/regression-tests/tkey.py
new file mode 100755
index 000000000..04c700b08
--- /dev/null
+++ b/regression-tests/tkey.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+import socket;
+import select;
+import sys;
+
+def ensure(data, offset, value):
+  if (data[offset:offset+len(value)] != value):
+    raise Exception("Mismatch at packet offset {0!s} {1!r} != {2!r}".format(offset,data[offset:offset+len(value)], value))
+
+def main(host, port):
+  s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+
+  msg = "\xaa\x77\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01\x04tkey\x04unit\x04test\x00\x00\xf9\x00\xff\x04tkey\x04unit\x04test\x00\x00\xf9\x00\xff\x00\x00\x00\x00\x00\x22\x03bad\04algo\x00\x00\x00\x30\x39\x00\x00\x30\x39\x00\x03\x00\x00\x00\x04test\x00\x00"
+
+  s.sendto(msg, (host, port))
+  s.settimeout(2)
+  data, addr = s.recvfrom(512)
+
+  # make sure the data validates
+
+  # transaction id
+  ensure(data, 0, msg[0:2])
+
+  # has one question, one answer
+  ensure(data, 4, "\x00\x01")
+  ensure(data, 6, "\x00\x01")
+
+  # question is tkey.unit.test ANY TKEY?
+  ensure(data, 12, "\x04tkey\x04unit\x04test\x00\x00\xf9\x00\xff")
+  # answer is called tkey.unit.test ANY TKEY (compressed it seems)
+  ensure(data, 32, "\xc0\x0c\x00\xf9\x00\xff")
+
+  # and then ensure we get an BADALGO or error, at least.
+  if (data[64:66] == "\x00\x00"):
+    raise Exception("At packet offset {0!s}: expected {2!r}, got {1!r}".format(offset,data[offset:offset+len(value)], value))
+
+  print "Got expected TKEY response\n"
+
+if (len(sys.argv) < 3):
+  print "Usage: tkey.py host port"
+  sys.exit(1)
+
+if __name__ == '__main__':
+  main(sys.argv[1], int(sys.argv[2]))
-- 
2.49.0