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zeek-setup: Validate plugin debug streams during startup

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Providing an unknown plugin debug stream with -B was previously silently
accepted. This caused user confusing as the behavior is "no output, but
seems to work".

Check the enabled debug streams once all plugins have been loaded and
exit early on for invalid streams.

    $ ZEEK_PLUGIN_PATH=./build zeek -B plugin-zeek-myplugin -e 'print zeek_version();'
    error in <command line>, line 3: No plugin debug stream 'plugin-zeek-myplugin' found

Closes #913.
This commit is contained in:
Arne Welzel 2022-07-06 18:45:40 +02:00
parent 8ba44c656a
commit d703033ae6
5 changed files with 58 additions and 3 deletions
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14
src/zeek-setup.cc
View file

@ -847,6 +847,20 @@ SetupResult setup(int argc, char** argv, Options* zopts)
exit(success ? 0 : 1);
}
#ifdef DEBUG
// Check debug streams. Specifically that all plugin-
// streams are valid now that the active plugins are known.
std::set<std::string> active_plugins;
for ( const auto p : plugin_mgr->ActivePlugins() )
active_plugins.insert(p->Name());
if ( ! debug_logger.CheckStreams(active_plugins) )
{
early_shutdown();
exit(1);
}
#endif
packet_mgr->InitPostScript(options.unprocessed_output_file.value_or(""));
analyzer_mgr->InitPostScript();
file_mgr->InitPostScript();