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postgresql: Initial parser implementation

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This adds a protocol parser for the PostgreSQL protocol and a new
postgresql.log similar to the existing mysql.log.

This should be considered preliminary and hopefully during 7.1 and 7.2
with feedback from the community, we can improve on the events and logs.
Even if most PostgreSQL communication is encrypted in the real-world, this
will minimally allow monitoring of the SSLRequest and hand off further
analysis to the SSL analyzer.

This originates from github.com/awelzel/spicy-postgresql, with lots of
polishing happening in the past two days.
This commit is contained in:
Arne Welzel 2024-09-04 16:59:30 +02:00
parent 2907d9feee
commit 85ca59484b
82 changed files with 1803 additions and 10 deletions
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17
testing/btest/scripts/base/protocols/postgresql/dump-events.zeek Normal file
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# @TEST-DOC: Test that misc/dump events works.
#
# @TEST-REQUIRES: ${SCRIPTS}/have-spicy
# @TEST-EXEC: zeek -b -Cr ${TRACES}/postgresql/psql-select-now.pcap %INPUT >>output
# @TEST-EXEC: zeek -b -Cr ${TRACES}/postgresql/psql-insert-fail-drop-fail.pcap %INPUT >>output
#
# @TEST-EXEC: btest-diff output
@load base/protocols/postgresql/spicy-events.zeek
@load misc/dump-events
redef DumpEvents::dump_all_events = T;
redef DumpEvents::include=/^(PostgreSQL|analyzer_)/;
event zeek_init() {
Analyzer::register_for_port(Analyzer::ANALYZER_POSTGRESQL, 5432/tcp);
}