diff options
Diffstat (limited to 'regress/sys/net/pf_fragment/frag6_dropold.py')
| -rw-r--r-- | regress/sys/net/pf_fragment/frag6_dropold.py | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/regress/sys/net/pf_fragment/frag6_dropold.py b/regress/sys/net/pf_fragment/frag6_dropold.py index b3b1573c2e4..9dfc2e6a9cb 100644 --- a/regress/sys/net/pf_fragment/frag6_dropold.py +++ b/regress/sys/net/pf_fragment/frag6_dropold.py @@ -5,11 +5,7 @@ # |XXXX| # |------------| -# If an existing fragment is completely overlapped by the current -# one, drop the older fragment. -# TAILQ_REMOVE(&frag->fr_queue, after, fr_next); -# Smaller older fragments might not have been nearer, and might be -# trying to overwrite a very small part of the full packet. +# RFC 5722 drop overlapping fragments import os from addr import * @@ -38,6 +34,9 @@ if os.fork() == 0: ans=sniff(iface=SRC_IF, timeout=3, filter= "ip6 and src "+dstaddr+" and dst "+SRC_OUT6+" and icmp6") +if len(ans) == 0: + print "no reply" + exit(0) a=ans[0] if a and a.type == scapy.layers.dot11.ETHER_TYPES.IPv6 and \ ipv6nh[a.payload.nh] == 'ICMPv6' and \ @@ -50,8 +49,9 @@ if a and a.type == scapy.layers.dot11.ETHER_TYPES.IPv6 and \ data=a.payload.payload.data print "payload=%s" % (data) if data == payload: - exit(0) + print "ECHO REPLY" + exit(1) print "PAYLOAD!=%s" % (payload) - exit(1) + exit(2) print "NO ECHO REPLY" exit(2) |