Add regression test for STAMP

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>

test/contrib/stamp.uts

@@ -0,0 +1,88 @@
+% STAMP regression tests for Scapy
+
+# More information at http://www.secdev.org/projects/UTscapy/
+
+# Type the following command to launch start the tests:
+# $ test/run_tests -t test/contrib/stamp.uts
+
+############
+# STAMP
+############
+
++ STAMP tests
+
+= Load module
+
+load_contrib("stamp")
+
+= Test STAMP Session-Sender Test (Unauthenticated)
+~ stamp-session-sender-test
+
+created = STAMPSessionSenderTestUnauthenticated(
+    seq=0x1234,
+    ts=1234.5678,
+    err_estimate=ErrorEstimate(
+        S=1,
+        Z=0,
+        scale=0x12,
+        multiplier=0x34
+    ),
+    ssid=1357
+)
+assert raw(created) == b'\x00\x00\x12\x34\x00\x00\x04\xD2\x91\x5B\x57\x3E\x92\x34\x05\x4D\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
+parsed = STAMPSessionSenderTestUnauthenticated(raw(created))
+assert parsed.seq == 0x1234
+assert parsed.ts == 1234.5678
+assert parsed.err_estimate.S == 1
+assert parsed.err_estimate.Z == 0
+assert parsed.err_estimate.scale == 0x12
+assert parsed.err_estimate.multiplier == 0x34
+assert parsed.ssid == 1357
+assert parsed.mbz == 0
+assert not parsed.tlv_objects
+
+= Test STAMP Session-Reflector Test (Unauthenticated)
+~ stamp-session-reflector-test
+
+created = STAMPSessionReflectorTestUnauthenticated(
+    seq=0x1234,
+    ts=1234.5678,
+    err_estimate=ErrorEstimate(
+        S=1,
+        Z=0,
+        scale=0x12,
+        multiplier=0x34
+    ),
+    ssid=1357,
+    ts_rx=4321.8765,
+    seq_sender=0x4321,
+    ts_sender=2143.6587,
+    err_estimate_sender=ErrorEstimate(
+        S=0,
+        Z=0,
+        scale=0x21,
+        multiplier=0x43
+    ),
+    ttl_sender=111
+)
+assert raw(created) == b'\x00\x00\x12\x34\x00\x00\x04\xD2\x91\x5B\x57\x3E\x92\x34\x05\x4D\x00\x00\x10\xE1\xE0\x62\x4D\xD2\x00\x00\x43\x21\x00\x00\x08\x5F\xA8\xA0\x90\x2D\x21\x43\x00\x00\x6F\x00\x00\x00'
+parsed = STAMPSessionReflectorTestUnauthenticated(raw(created))
+assert parsed.seq == 0x1234
+assert parsed.ts == 1234.5678
+assert parsed.err_estimate.S == 1
+assert parsed.err_estimate.Z == 0
+assert parsed.err_estimate.scale == 0x12
+assert parsed.err_estimate.multiplier == 0x34
+assert parsed.ssid == 1357
+assert parsed.ts_rx == 4321.8765
+assert parsed.seq_sender == 0x4321
+assert parsed.ts_sender == 2143.6587
+assert parsed.err_estimate_sender.S == 0
+assert parsed.err_estimate_sender.Z == 0
+assert parsed.err_estimate_sender.scale == 0x21
+assert parsed.err_estimate_sender.multiplier == 0x43
+assert parsed.mbz1 == 0
+assert parsed.ttl_sender == 111
+assert parsed.mbz2 == 0
+assert not parsed.tlv_objects
+