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Local address binding #15

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Local address binding #15

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19 changes: 13 additions & 6 deletions lib/server.js
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,9 @@ function Server(options, listener) {
for (var i = 0, len = options.auths.length; i < len; ++i)
this.useAuth(options.auths[i]);
}
if (options && options.localAddress != null) {
this.__localAddress = options.localAddress;
}
this._debug = (options && typeof options.debug === 'function'
? options.debug
: undefined);
Expand Down Expand Up @@ -115,7 +118,7 @@ Server.prototype._onConnection = function(socket) {
});
return socket;
} else
proxySocket(socket, reqInfo);
proxySocket(self.__localAddress, socket, reqInfo);
}
}
function deny() {
Expand All @@ -131,7 +134,7 @@ Server.prototype._onConnection = function(socket) {
return;
}

proxySocket(socket, reqInfo);
proxySocket(self.__localAddress, socket, reqInfo);
});

function onClose() {
Expand Down Expand Up @@ -193,7 +196,7 @@ exports.createServer = function(opts, listener) {

function onErrorNoop(err) {}

function proxySocket(socket, req) {
function proxySocket(localAddress, socket, req) {
dns.lookup(req.dstAddr, function(err, dstIP) {
if (err) {
handleProxyError(socket, err);
Expand Down Expand Up @@ -230,8 +233,12 @@ function proxySocket(socket, req) {
socket.resume();
} else if (dstSock.writable)
dstSock.end();
})
.connect(req.dstPort, dstIP);
});
if (localAddress != null) {
dstSock.connect({ port: req.dstPort, host: dstIP, localAddress: localAddress });
} else {
dstSock.connect(req.dstPort, dstIP);
}
socket.dstSock = dstSock;
});
}
Expand All @@ -257,4 +264,4 @@ function handleProxyError(socket, err) {
}
socket.end(errbuf);
}
}
}