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59 lines
1.2 KiB
Lua
59 lines
1.2 KiB
Lua
module(..., package.seeall)
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portnumber = function(port, _proto, _state)
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local port_table;
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local state = _state or "open"
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local proto = _proto or "tcp"
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if(type(port) == "number") then
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port_table = {port}
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elseif(type(port) == "table") then
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port_table = port
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end
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return function(host, port)
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if(port.protocol == proto and port.state == state) then
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for _, _port in ipairs(port_table) do
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if(port.number == _port) then
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return true
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end
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end
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end
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return false
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end
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end
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service = function(service, _proto, _state)
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local service_table;
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local state = _state or "open"
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local proto = _proto or "tcp"
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if(type(service) == "string") then
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service_table = {service}
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elseif(type(service) == "table") then
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service_table = service
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end
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return function(host, port)
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if(port.protocol == proto and port.state == state) then
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for _, service in ipairs(service_table) do
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if(port.service == service) then
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return true
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end
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end
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end
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return false
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end
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end
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port_or_service = function(port, _service, proto, state)
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local port_checker = portnumber(port, proto, state)
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local service_checker = service(_service, proto, state)
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return function(host, port)
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return port_checker(host, port) or service_checker(host, port)
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end
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end
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