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Add experimental JavaScript support when libnode is available

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zeek.on('zeek_init', () => {
        console.log('Hello, Zeek!');
    });

For interaction with external systems and HTTP APIs, JavaScript and the
Node.js ecosystem beat Zeek script. Make it more easily accessible by
including ZeekJS with Zeek directly.

When a recent enough libnode version is found on the build system, ZeekJS is
added as a builtin plugin. This behavior can be disabled via
``--disable-javascript``. Linux distributions providing such a package are
Ubuntu (22.10) and Debian (testing/bookworm) as libnode-dev.
Fedora provides it as nodejs-devel.

This plugin takes over loading of .js or .cjs files. When no such files
are provided to Zeek, Node and the V8 engine are not initialized and
should not get into the way.

This should be considered experimental.
This commit is contained in:
Arne Welzel 2023-03-18 17:42:08 +01:00
parent 5db2e5fd8e
commit f0b9c59adb
24 changed files with 205 additions and 7 deletions
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3
testing/btest/Baseline/javascript.intel/intel.log.noheader Normal file
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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
1362692526.939084 CHhAvVGS1DHFjwGM9 141.142.228.5 59856 192.150.187.43 80 141.142.228.5 Intel::ADDR Conn::IN_ORIG zeek Intel::ADDR json1 - - -
1362692526.939527 CHhAvVGS1DHFjwGM9 141.142.228.5 59856 192.150.187.43 80 bro.org Intel::DOMAIN HTTP::IN_HOST_HEADER zeek Intel::DOMAIN json2 - - -