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Do not unregister listeners on unexpected data
If a registered event listener callback returns `false`, the listener is unregistered. A network packet arriving on a different port, or a message with a missing part, should not cause the syslog system to shut down. Return `nil` instead of `false` if those sanity checks fail, to keep the listener registered.
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@ -69,15 +69,15 @@ local function wentry(_,msg,level,service,host)
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end
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local function remote_listener(_,from,port,data)
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if port ~= cfg.port then return false end
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if port ~= cfg.port then return end
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local service, level, msg = data:match("(.-)\t(%d)\t(.+)")
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if not service or not level or not msg then return false end
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if not service or not level or not msg then return end
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msg, level, service = tostring(msg),tonumber(level),tostring(service)
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wentry(nil,msg,level,service,from)
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end
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local function local_listener(_,msg,level,service)
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if not service or not level or not msg then return false end
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if not service or not level or not msg then return end
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msg, level, service = tostring(msg),tonumber(level),tostring(service)
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wentry(nil,msg,level,service,hostname)
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end
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