add whit host support

config.lua

@@ -6,9 +6,11 @@ Redirect="on"
 CookieMatch="on"
 postMatch="on" 
 whiteModule="on" 
+whiteHostModule="on" 
 black_fileExt={"php","jsp"}
 ipWhitelist={"127.0.0.1"}
 ipBlocklist={"1.0.0.1"}
+hostWhiteList = {"www.xxx.com"}
 CCDeny="off"
 CCrate="100/60"
 html=[[

init.lua

@@ -10,6 +10,7 @@ UrlDeny = optionIsOn(UrlDeny)
 PostCheck = optionIsOn(postMatch)
 CookieCheck = optionIsOn(cookieMatch)
 WhiteCheck = optionIsOn(whiteModule)
+WhiteHostCheck = optionIsOn(whiteHostModule)
 PathInfoFix = optionIsOn(PathInfoFix)
 attacklog = optionIsOn(attacklog)
 CCDeny = optionIsOn(CCDeny)
@@ -89,6 +90,20 @@ function whiteurl()
     end
     return false
 end
+
+function whitehost()
+	if WhiteHostCheck then
+	    local items = Set(hostWhiteList)
+	    for host in pairs(items) do
+	    	if ngxmatch(ngx.var.host, host, "isjo") then
+				log('POST',ngx.var.request_uri,"-","white host".. host)
+	    		return true
+	    	end
+	    end
+	end
+	return false
+end
+
 function fileExtCheck(ext)
     local items = Set(black_fileExt)
     ext=string.lower(ext)

waf.lua

@@ -2,6 +2,7 @@ local content_length=tonumber(ngx.req.get_headers()['content-length'])
 local method=ngx.req.get_method()
 local ngxmatch=ngx.re.match
 if whiteip() then
+elseif whitehost() then
 elseif blockip() then
 elseif denycc() then
 elseif ngx.var.http_Acunetix_Aspect then