diff options
Diffstat (limited to 'regress/sys/net/pf_fragment/frag6_cutnew.py')
| -rw-r--r-- | regress/sys/net/pf_fragment/frag6_cutnew.py | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/regress/sys/net/pf_fragment/frag6_cutnew.py b/regress/sys/net/pf_fragment/frag6_cutnew.py index 4413d0668b3..300fb296627 100644 --- a/regress/sys/net/pf_fragment/frag6_cutnew.py +++ b/regress/sys/net/pf_fragment/frag6_cutnew.py @@ -2,12 +2,9 @@ # start of new fragment overlaps old one # |--------| -# |>>>>>----| +# |XXXXX----| -# If the tail of an older fragment overlaps the beginning of the -# current fragment, cut the newer fragment. -# m_adj(frent->fe_m, precut); -# Newer data wins. +# RFC 5722 drop overlapping fragments import os from addr import * @@ -33,6 +30,9 @@ 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 \ @@ -45,8 +45,9 @@ 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) |