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Fixes for IPv6 truncation and ICMP/ICMP6 analysis.

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- Add more guards against trying to analyze captured packets with a
  truncated IPv6 static header or extension header chain.

- Add back in the ICMP payload tracking for ICMP "connections".

- Fix 'icmp_context' record construction.  Some field assignments
  were mismatched for ICMP and ICMP6.  Source and destination
  addresses were set incorrectly for context packets that don't
  contain a full IP header.  Some fields for ICMP6 weren't filled out.

- Changed ICMP Time Exceeded packets to raise the 'icmp_time_exceeded'
  event instead of 'icmp_error_message'.

- Add unit tests for truncation and the main types of ICMP/ICMP6
  that have specific events.

- Documentation clarifications.
This commit is contained in:
Jon Siwek 2012-04-11 16:27:31 -05:00
parent 27ba3118c1
commit 51bad73e1e
39 changed files with 422 additions and 52 deletions
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testing/btest/Baseline/core.truncation/output Normal file
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1334160095.895421 weird: truncated_IP
1334156241.519125 weird: truncated_IP
1334094648.590126 weird: truncated_IP