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[Fix] Add a null check

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sta 2017-01-27 16:20:20 +09:00
parent ab2be96a48
commit bef14dc1ad
1 changed files with 10 additions and 2 deletions
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12
websocket-sharp/Server/WebSocketServer.cs
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@ -176,9 +176,17 @@ namespace WebSocketSharp.Server
throw new ArgumentException (msg, "url");
var host = uri.DnsSafeHost;
var addr = host.ToIPAddress ();
if (!addr.IsLocal ())
throw new ArgumentException ("The host part isn't a local host name: " + url, "url");
if (addr == null) {
msg = "It could not be converted to an IP address.";
throw new ArgumentException (msg, "url");
}
if (!addr.IsLocal ()) {
msg = "The IP address is not a local IP address.";
throw new ArgumentException (msg, "url");
}
init (host, addr, uri.Port, uri.Scheme == "wss");
}