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53 lines
No EOL
1.4 KiB
Text
53 lines
No EOL
1.4 KiB
Text
##! Software identification and extraction for HTTP traffic.
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@load http/base
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@load software
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module HTTP;
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redef enum Software::Type += {
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WEB_SERVER,
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WEB_BROWSER,
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WEB_BROWSER_PLUGIN
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};
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export {
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## The pattern of HTTP User-Agents which you would like to ignore.
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const ignored_user_agents = /NO_DEFAULT/ &redef;
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## These are patterns to identify browser plugins (including toolbars)
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## based on the User-Agent header.
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const plugin_user_agents = /BingBar [0-9\.]*/ # Bing toolbar
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| /GoogleToolbar [0-9\.]*;/ &redef; # Google toolbar
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}
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event http_header(c: connection, is_orig: bool, name: string, value: string) &priority=2
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{
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if ( is_orig )
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{
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if ( name == "USER-AGENT" && ignored_user_agents !in value )
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{
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local ua_type = WEB_BROWSER;
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if ( plugin_user_agents in value )
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ua_type = WEB_BROWSER_PLUGIN;
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Software::found(c$id, Software::parse(value, c$id$orig_h, ua_type));
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}
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else if ( name == "X-FLASH-VERSION" )
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{
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# Flash doesn't include it's name so we'll add it here since it
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# simplifies the version parsing.
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value = cat("Flash/", value);
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local flash_version = Software::parse(value, c$id$orig_h, WEB_BROWSER_PLUGIN);
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Software::found(c$id, flash_version);
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}
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}
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else
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{
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if ( name == "SERVER" )
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{
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Software::found(c$id, Software::parse(value, c$id$resp_h, WEB_SERVER));
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}
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}
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} |