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51bad73e1e
- 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.
15 lines
782 B
Text
15 lines
782 B
Text
# These tests all check that IPv6 context packet construction for ICMP6 works.
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# @TEST-EXEC: bro -b -r $TRACES/icmp/icmp6-destunreach-no-context.pcap %INPUT >>output 2>&1
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# @TEST-EXEC: bro -b -r $TRACES/icmp/icmp6-destunreach-ip6ext-trunc.pcap %INPUT >>output 2>&1
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# @TEST-EXEC: bro -b -r $TRACES/icmp/icmp6-destunreach-ip6ext-udp.pcap %INPUT >>output 2>&1
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# @TEST-EXEC: bro -b -r $TRACES/icmp/icmp6-destunreach-ip6ext.pcap %INPUT >>output 2>&1
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# @TEST-EXEC: btest-diff output
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event icmp_unreachable(c: connection, icmp: icmp_conn, code: count, context: icmp_context)
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{
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print "icmp_unreachable (code=" + fmt("%d", code) + ")";
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print " conn_id: " + fmt("%s", c$id);
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print " icmp_conn: " + fmt("%s", icmp);
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print " icmp_context: " + fmt("%s", context);
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}
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