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44 lines
1.3 KiB
Text
44 lines
1.3 KiB
Text
##! Provides the possibility to define software names that are interesting to
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##! watch for changes. A notice is generated if software versions change on a
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##! host.
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@load base/frameworks/notice
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@load base/frameworks/software
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module Software;
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export {
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redef enum Notice::Type += {
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## For certain software, a version changing may matter. In that
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## case, this notice will be generated. Software that matters
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## if the version changes can be configured with the
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## :bro:id:`Software::interesting_version_changes` variable.
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Software_Version_Change,
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};
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## Some software is more interesting when the version changes and this
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## is a set of all software that should raise a notice when a different
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## version is seen on a host.
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const interesting_version_changes: set[string] = { } &redef;
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}
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event log_software(rec: Info)
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{
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local ts = tracked[rec$host];
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if ( rec$name in ts )
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{
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local old = ts[rec$name];
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# Is it a potentially interesting version change?
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if ( rec$name in interesting_version_changes )
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{
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local msg = fmt("%.6f %s switched from %s to %s (%s)",
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network_time(), rec$software_type,
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software_fmt_version(old$version),
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software_fmt(rec), rec$software_type);
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NOTICE([$note=Software_Version_Change, $src=rec$host,
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$msg=msg, $sub=software_fmt(rec)]);
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}
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}
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}
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