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Added DHCPINFORM response for testing WPAD. #75

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Added DHCPINFORM response for testing WPAD. #75

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33 changes: 33 additions & 0 deletions lib/dhcp.js
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,9 @@ function Server(config, listenOnly) {
case DHCPREQUEST: // 3.
self.handleRequest(req);
break;
case DHCPINFORM: // 8.
self.handleInform(req);
break;
default:
console.error("Not implemented method", req.options[53]);
}
Expand Down Expand Up @@ -410,6 +413,36 @@ Server.prototype = {

this.sendAck(req);
},
handleInform: function(req) {
//console.log('Handle Inform', req);

// Formulate the response object
const ans = {
op: BOOTREPLY,
htype: 1, // RFC1700, hardware types: 1=Ethernet, 2=Experimental, 3=AX25, 4=ProNET Token Ring, 5=Chaos, 6=Tokenring, 7=Arcnet, 8=FDDI, 9=Lanstar (keep it constant)
hlen: 6, // Mac addresses are 6 byte
hops: 0,
xid: req.xid, // 'xid' from client DHCPREQUEST message
secs: 0,
flags: req.flags, // 'flags' from client DHCPREQUEST message
ciaddr: INADDR_ANY,
yiaddr: INADDR_ANY,
siaddr: this.config('server'), // server ip, that's us
giaddr: req.giaddr, // 'giaddr' from client DHCPREQUEST message
chaddr: req.chaddr, // 'chaddr' from client DHCPREQUEST message
sname: '',
file: '',
options: this._getOptions({
53: DHCPACK
}, [
1, 3, 51, 54, 6
], req.options[55])
};

// Send the actual data
// INADDR_BROADCAST : 68 <- SERVER_IP : 67
this._send(INADDR_BROADCAST, ans);
},
sendAck: function(req) {
//console.log('Send ACK');
// Formulate the response object
Expand Down