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50 lines
1.3 KiB
Text
50 lines
1.3 KiB
Text
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@load http/utils
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@load software
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@load signatures
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module HTTP;
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redef signature_files += "http/detect-webapps.sig";
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# Ignore the signatures used to match webapps
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redef Signatures::ignored_ids += /^webapp-/;
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export {
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redef enum Software::Type += {
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WEB_APPLICATION,
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};
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redef record Software::Info += {
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url: string &optional &log;
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};
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}
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event signature_match(state: signature_state, msg: string, data: string) &priority=5
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{
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if ( /^webapp-/ !in state$sig_id ) return;
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local c = state$conn;
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local si = Software::parse(msg, c$id$resp_h, WEB_APPLICATION);
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si$url = build_url_http(c$http);
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if ( c$id$resp_h in Software::tracked &&
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si$name in Software::tracked[c$id$resp_h] )
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{
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# If the new url is a substring of an existing, known url then let's
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# use that as the new url for the software.
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# PROBLEM: different version of the same software on the same server with a shared root path
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local is_substring = 0;
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if ( Software::tracked[c$id$resp_h][si$name]?$url )
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is_substring = strstr(Software::tracked[c$id$resp_h][si$name]$url, si$url);
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if ( is_substring == 1 )
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{
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Software::tracked[c$id$resp_h][si$name]$url = si$url;
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# Force the software to be logged because it indicates a URL
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# closer to the root of the site.
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si$force_log = T;
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}
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}
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Software::found(c$id, si);
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}
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