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ab15437339
- Moving all functions into the Log::* namespace, using the recent bifcl updates. Moved logging-specific stuff to logging.bif. - Log::create_stream() now takes a record Log::Stream as its second argument, which specifies columns and (optionally) the event. - All the internal BiFs are now called "Log::__<something>", with script-level wrappers "Log::<something>". That first allows to add additional code at the script-level, and second makes things better comprehendible as now all relevant functionality is collected (and later documetned) in policy/logging.bro. - New function Log::flush(id), which does the obvious assuming the writer supports it. - add_default_filter() is now called implicitly with every create_stream(). Seems that we usually want that functionality, and when not, remove_default_filter() gets rid of it. - The namespace of a stream's ID is now used as the default "path" (e.g., if the namespace is SSH, the default log file is "ssh.log"). - Updated policy/test-logging.bro as well as the btest tests according to these changes.
50 lines
1.5 KiB
Text
50 lines
1.5 KiB
Text
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# @TEST-EXEC: bro %INPUT
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# @TEST-EXEC: ( ls static-*; cat static-* ) >output
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# @TEST-EXEC: btest-diff output
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module SSH;
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@load logging
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export {
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# Create a new ID for our log stream
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redef enum Log::ID += { SSH };
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# Define a record with all the columns the log file can have.
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# (I'm using a subset of fields from ssh-ext for demonstration.)
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type Log: record {
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t: time;
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id: conn_id; # Will be rolled out into individual columns.
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status: string &optional;
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country: string &default="unknown";
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};
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}
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global c = -1;
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function path_func(id: Log::ID, path: string) : string
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{
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c = (c + 1) % 3;
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return fmt("%s-%d", path, c);
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}
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event bro_init()
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{
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Log::create_stream(SSH, [$columns=Log]);
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Log::remove_default_filter(SSH);
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Log::add_filter(SSH, [$name="dyn", $path="static-prefix", $path_func=path_func]);
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Log::set_buf(SSH, F);
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local cid = [$orig_h=1.2.3.4, $orig_p=1234/tcp, $resp_h=2.3.4.5, $resp_p=80/tcp];
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Log::write(SSH, [$t=network_time(), $id=cid, $status="success"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="failure", $country="US"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="failure", $country="UK"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="success", $country="BR"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="failure", $country="MX"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="failure", $country="MX2"]);
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Log::write(SSH, [$t=network_time(), $id=cid, $status="failure", $country="MX3"]);
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}
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