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Diffstat (limited to 'tests/net_test/ping6_test.py')
| -rwxr-xr-x | tests/net_test/ping6_test.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tests/net_test/ping6_test.py b/tests/net_test/ping6_test.py index 7b51ac43..b09d63a7 100755 --- a/tests/net_test/ping6_test.py +++ b/tests/net_test/ping6_test.py @@ -167,6 +167,30 @@ class Ping6Test(net_test.NetworkTest): reply = posix.read(fd, 4096) self.assertEquals(written, len(reply)) + def testCrossProtocolCrash(self): + + def GetIPv4Unreachable(port): + return (scapy.IP(src="192.0.2.1", dst="127.0.0.1") / + scapy.ICMP(type=3, code=0) / + scapy.IP(src="127.0.0.1", dst="127.0.0.1") / + scapy.ICMP(type=8, id=port, seq=1)) + + def GetIPv6Unreachable(port): + return (scapy.IPv6(src="::1", dst="::1") / + scapy.ICMPv6DestUnreach() / + scapy.IPv6(src="::1", dst="::1") / + scapy.ICMPv6EchoRequest(id=port, seq=1, data="foobarbaz")) + + # An unreachable matching the ID of a socket of the wrong protocol + # shouldn't crash. We can only test this using IPv6 unreachables and IPv4 + # ping sockets, because IPv4 packets sent by scapy.send() on loopback don't + # appear to be received by the kernel.) + s = net_test.IPv4PingSocket() + s.connect(("127.0.0.1", 12345)) + _, port = s.getsockname() + scapy.send(GetIPv6Unreachable(port)) + # No crash? Good. + @unittest.skipUnless(net_test.HAVE_IPV4, "skipping: no IPv4") def testIPv4Bind(self): |