ngx_lua_waf/waf.lua

31 lines
1.5 KiB
Lua

if ngx.re.match(ngx.var.request_uri,whitelist,"isjo") then
return
else
if ngx.re.match(ngx.unescape_uri(ngx.var.request_uri),regex.."|"..get,"isjo") then
log('GET',ngx.unescape_uri(ngx.var.request_uri))
check()
-- elseif ngx.re.match(string.gsub(ngx.var.request_uri,"\\%",""),regex.."|"..get,"isjo") then
-- log('GET',ngx.var.request_uri)
-- check()
elseif ngx.re.match(ngx.var.request_uri,[[%00|%0b|%0d|%c0%ae|%0a]],"isjo") then
check()
elseif ngx.var.http_user_agent and ngx.re.match(ngx.var.http_user_agent,regex.."|"..agent,"isjo") then
log('USER-AGENT',ngx.unescape_uri(ngx.var.request_uri))
check()
elseif ngx.req.get_method()=='POST' and ngx.re.match(ngx.unescape_uri(ngx.req.get_body_data()),regex.."|"..post,"isjo") then
log('POST',ngx.unescape_uri(ngx.var.request_uri),ngx.unescape_uri(ngx.req.get_body_data()))
check()
elseif string.len(filext) >0 and ngx.req.get_body_data() and ngx.re.match(ngx.req.get_body_data(),[[^(Content-Disposition: form-data;(.*)filename="(.*).("..filext..")").*$]],"isjo") then
check()
-- elseif ngx.req.get_headers()["Cookie"] and ngx.re.match(ngx.unescape_uri(ngx.req.get_headers()["Cookie"]),regex,"isjo")then
-- log('COOKIE',ngx.unescape_uri(ngx.var.request_uri),ngx.unescape_uri(ngx.req.get_headers()["Cookie"]))
-- check()
elseif ngx.req.get_headers()['Acunetix-Aspect'] then
ngx.exit(400)
elseif ngx.req.get_headers()['X-Scan-Memo'] then
ngx.exit(400)
else
return
end
end