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mod_firewall/conditions.lib.lua @ 2528:44a71584521d
mod_firewall: Add SEARCH, PATTERN definitions and SCAN condition to check tokenized stanza:find() against a list
author | Matthew Wild <mwild1@gmail.com> |
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date | Mon, 20 Feb 2017 09:31:30 +0000 |
parent | 2521:66b81e144ded |
child | 2529:3fe4ca2b55c2 |
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2527:5ff7eb601d60 | 2528:44a71584521d |
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261 local meta_deps = {}; | 261 local meta_deps = {}; |
262 expr = meta(("%q"):format(expr), meta_deps); | 262 expr = meta(("%q"):format(expr), meta_deps); |
263 return ("list_%s:contains(%s) == true"):format(list_name, expr), { "list:"..list_name, unpack(meta_deps) }; | 263 return ("list_%s:contains(%s) == true"):format(list_name, expr), { "list:"..list_name, unpack(meta_deps) }; |
264 end | 264 end |
265 | 265 |
266 -- SCAN: body for word in badwords | |
267 function condition_handlers.SCAN(scan_expression) | |
268 local search_name, pattern_name, list_name = scan_expression:match("(%S+) for (%S+) in (%S+)$"); | |
269 if not (search_name) then | |
270 error("Error parsing SCAN expression, syntax: SEARCH for PATTERN in LIST"); | |
271 end | |
272 return ("scan_list(%s, %s)"):format(list_name, "tokens_"..search_name.."_"..pattern_name), { "scan_list", "tokens:"..search_name.."_"..pattern_name, "list:"..list_name }; | |
273 end | |
274 | |
266 return condition_handlers; | 275 return condition_handlers; |