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tcpdump/tests/rpvst-v.out
Denis Ovsienko 9fd5c63aaa DTP: Modernize packet parsing style. 
Enable ND_LONGJMP_FROM_TCHECK. Report an invalid packet as invalid with
a reason, not truncated. Test whether the invalid packet is entirely in
the buffer. Remove two redundant ND_TCHECK*() instances and make another
one conditional. Let nd_printzp() guard the packet buffer end.

Add more length checks and make existing ones stricter. Decrement the
remaining length instead of comparing pointers. Lose a duplicate "TLV"
in the output. Reduce scope of two variables and lose another one.
Update two tests.
2020-12-01 00:05:32 +00:00

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1 10:39:19.323246 DTPv1, length 31
Domain (0x0001) TLV, length 10, cisco
Status (0x0002) TLV, length 5, 0x81
DTP type (0x0003) TLV, length 5, 0xa5
Neighbor (0x0004) TLV, length 10, 00:1f:6d:96:ec:04
2 10:39:20.329871 DTPv1, length 31
Domain (0x0001) TLV, length 10, cisco
Status (0x0002) TLV, length 5, 0x81
DTP type (0x0003) TLV, length 5, 0xa5
Neighbor (0x0004) TLV, length 10, 00:1f:6d:96:ec:04
3 10:39:21.327398 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
4 10:39:21.327411 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
5 10:39:21.327491 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
6 10:39:22.324853 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
7 10:39:22.324865 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
8 10:39:22.324957 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
9 10:39:24.337449 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
10 10:39:24.337461 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
11 10:39:24.337682 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
12 10:39:26.327771 VTPv1, Message Summary advertisement (0x01), length 77
Domain name: cisco, Followers: 0
Config Rev 2, Updater 155.1.37.7, Timestamp 0x39333033 0x30313030 0x30393030, MD5 digest: fb393cf67014e50aa79c7c5b193f6fe1
13 10:39:26.350710 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
14 10:39:26.350718 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
15 10:39:26.350937 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
16 10:39:28.363914 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
17 10:39:28.363959 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
18 10:39:28.364082 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
19 10:39:30.377262 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
20 10:39:30.377278 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8001.00:1f:6d:96:ec:00.8004, length 36
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8001.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
21 10:39:30.377337 STP 802.1w, Rapid STP, Flags [Proposal], bridge-id 8005.00:1f:6d:96:ec:00.8004, length 42
message-age 0.00s, max-age 20.00s, hello-time 2.00s, forwarding-delay 15.00s
root-id 8005.00:1f:6d:96:ec:00, root-pathcost 0, port-role Designated
22 10:39:30.696256 Loopback, skipCount 0, Reply, receipt number 0, data (40 octets)
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