public ConnectToHomeNetwork(JsonNetwork net, TstatPairing pair)
{
InitializeComponent();
this.pair = pair;
this.currentNetwork = net;
}
public Boolean ConfigureHomeNetwork(JsonNetwork net, String pin, String password)
{
try
{
//Get UUID
Thermostat t = getThermostatDetails();
// Rfc2898DeriveBytes pwdGen = new Rfc2898DeriveBytes(pin, Encoding.UTF8.GetBytes(uuid), 1000);
Rfc2898DeriveBytes pwdGen = new Rfc2898DeriveBytes(pin, Encoding.UTF8.GetBytes(t.UUID), 1000);
// generate an RC2 key
byte[] key = pwdGen.GetBytes(16);
byte[] iv = pwdGen.GetBytes(8);
//Convert the network password from hex-ascii to binary
//C17A0E3E5DD809B450FBF02B1E
byte[] pass = Encoding.ASCII.GetBytes(password);
String str = String.Empty;
int missingDigits = 16 - pass.Length % 16;
for (int i = 0; i < pass.Length + missingDigits; i++)
{
if (i < pass.Length)
str += pass[i].ToString();
else
str += missingDigits.ToString();
}
byte[] cipher = EncryptStringToBytes_Aes(password, key, key);
string hex = BitConverter.ToString(cipher);
hex = hex.Replace("-", "");
//Get Network configuration
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create("http://192.168.10.1/sys/network");
HttpWebResponse response = (HttpWebResponse)myReq.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
//Stream to String
String result = reader.ReadToEnd();
reader.Close();
JObject jsonObj = JObject.Parse(result);
net.Ipaddr = (String)jsonObj["ipaddr"];
net.Ipgw = (String)jsonObj["ipgw"];
net.Ipmask =(String)jsonObj["ipmask"];
result = pushNetworkConfiguration(net, hex);
JObject ans = JObject.Parse(result);
int res1 = (int)ans["success"];
if (res1 == 0)
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
private String pushNetworkConfiguration(JsonNetwork net, string key)
{
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create("http://192.168.10.1/sys/network");
myReq = (HttpWebRequest)WebRequest.Create("http://192.168.10.1/sys/network");
myReq.Method = "POST";
myReq.ContentType = @"application/json; charset=utf-8";
String Body = getJson(net, key);
byte[] data = Encoding.UTF8.GetBytes(Body);
myReq.ContentLength = data.Length;
//Request Stream
Stream stream = myReq.GetRequestStream();
stream.Write(data, 0, data.Length);
stream.Close();
HttpWebResponse response = (HttpWebResponse)myReq.GetResponse();
String status = response.StatusDescription;
Stream responseStream = response.GetResponseStream();
StreamReader reader = new StreamReader(responseStream, Encoding.UTF8);
//Stream to String
String result= reader.ReadToEnd();
reader.Close();
responseStream.Close();
response.Close();
return result;
}
private List<JsonNetwork> JsonNetDeserialize(string json)
{
JObject jsonObj = JObject.Parse(json);
JArray networks = (JArray)jsonObj["networks"];
List<JsonNetwork> nets = new List<JsonNetwork>();
foreach (JToken token in networks)
{
String ssid = (String)token[0];
String bssid = (String)token[1];
int secMode = (int)token[2];
int Channel = (int)token[3];
int rssi = (int)token[4];
JsonNetwork net = new JsonNetwork(ssid, bssid, secMode, Channel, rssi);
nets.Add(net);
}
return nets;
}
private String getJson(JsonNetwork net, String key)
{
StringBuilder sb = new StringBuilder();
StringWriter sw = new StringWriter(sb);
//'{"version":"2.00","ssid":"Trantor","security":3,"key":"mysecret","ip":0,"ipaddr":"192.168.1.100","ipmask":"255.255.255.0","ipgw":"192.168.1.1"}'
using (JsonWriter jw = new JsonTextWriter(sw))
{
jw.Formatting = Formatting.Indented;
jw.WriteStartObject();
jw.WritePropertyName("version");
jw.WriteValue("2"); //what is this???
jw.WritePropertyName("ssid");
jw.WriteValue(net.Ssid);
jw.WritePropertyName("security");
jw.WriteValue(net.SecurityMode);
jw.WritePropertyName("key");
jw.WriteValue(key);
jw.WritePropertyName("ip");
jw.WriteValue(1); //verify this, and about other missing fields
jw.WritePropertyName("ipaddr");
jw.WriteValue(net.Ipaddr);
jw.WritePropertyName("ipmask");
jw.WriteValue(net.Ipmask);
jw.WritePropertyName("ipgw");
jw.WriteValue(net.Ipgw);
//jw.WriteEnd();
jw.WriteEndObject();
}
return sb.ToString();
}
public void ConnectToNetwork(JsonNetwork net)
{
WlanClient.WlanInterface intfc = GetCurrentInterface();
String profileXML = GetProfileXML(net.Ssid);
//what if profileXML is not found?
if (profileXML.CompareTo("not found") == 0)
{
}
else {
intfc.ConnectSynchronously(Wlan.WlanConnectionMode.Profile, Wlan.Dot11BssType.Any, net.Ssid, 15000);
}
}
