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1 /*
2 Copyright 2018-2021 Intel Corporation
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15 */
16
17 function _Scan()
18 {
19 var wlanInterfaces = this.Marshal.CreatePointer();
20 this.Native.WlanEnumInterfaces(this.Handle, 0, wlanInterfaces);
21
22 var count = wlanInterfaces.Deref().Deref(0, 4).toBuffer().readUInt32LE(0);
23
24 var info = wlanInterfaces.Deref().Deref(8, 532);
25 var iname = info.Deref(16, 512).AnsiString;
26
27 var istate;
28 switch (info.Deref(528, 4).toBuffer().readUInt32LE(0))
29 {
30 case 0:
31 istate = "NOT READY";
32 break;
33 case 1:
34 istate = "CONNECTED";
35 break;
36 case 2:
37 istate = "AD-HOC";
38 break;
39 case 3:
40 istate = "DISCONNECTING";
41 break;
42 case 4:
43 istate = "DISCONNECTED";
44 break;
45 case 5:
46 istate = "ASSOCIATING";
47 break;
48 case 6:
49 istate = "DISCOVERING";
50 break;
51 case 7:
52 istate = "AUTHENTICATING";
53 break;
54 default:
55 istate = "UNKNOWN";
56 break;
57 }
58
59 var iguid = info.Deref(0, 16);
60 if (this.Native.WlanScan(this.Handle, iguid, 0, 0, 0).Val == 0)
61 {
62 return (true);
63 }
64 else
65 {
66 return (false);
67 }
68 }
69
70 function AccessPoint(_ssid, _bssid, _rssi, _lq)
71 {
72 this.ssid = _ssid;
73 this.bssid = _bssid;
74 this.rssi = _rssi;
75 this.lq = _lq;
76 }
77 AccessPoint.prototype.toString = function()
78 {
79 return (this.ssid + " [" + this.bssid + "]: " + this.lq);
80 }
81
82 function OnNotify(NotificationData)
83 {
84 var NotificationSource = NotificationData.Deref(0, 4).toBuffer().readUInt32LE(0);
85 var NotificationCode = NotificationData.Deref(4, 4).toBuffer().readUInt32LE(0);
86 var dataGuid = NotificationData.Deref(8, 16);
87
88 if ((NotificationSource & 0X00000008) && (NotificationCode == 7))
89 {
90 var bss = this.Parent.Marshal.CreatePointer();
91 var result = this.Parent.Native.GetBSSList(this.Parent.Handle, dataGuid, 0, 3, 0, 0, bss).Val;
92 if (result == 0)
93 {
94 var totalSize = bss.Deref().Deref(0, 4).toBuffer().readUInt32LE(0);
95 var numItems = bss.Deref().Deref(4, 4).toBuffer().readUInt32LE(0);
96 for (i = 0; i < numItems; ++i)
97 {
98 var item = bss.Deref().Deref(8 + (360 * i), 360);
99 var ssid = item.Deref(4, 32).String.trim();
100 var bssid = item.Deref(40, 6).HexString2;
101 var rssi = item.Deref(56, 4).toBuffer().readUInt32LE(0);
102 var lq = item.Deref(60, 4).toBuffer().readUInt32LE(0);
103
104 this.Parent.emit('Scan', new AccessPoint(ssid, bssid, rssi, lq));
105 }
106 }
107
108 }
109 }
110
111 function Wireless()
112 {
113 var emitterUtils = require('events').inherits(this);
114
115 this.Marshal = require('_GenericMarshal');
116 this.Native = this.Marshal.CreateNativeProxy("wlanapi.dll");
117 this.Native.CreateMethod("WlanOpenHandle");
118 this.Native.CreateMethod("WlanGetNetworkBssList", "GetBSSList");
119 this.Native.CreateMethod("WlanRegisterNotification");
120 this.Native.CreateMethod("WlanEnumInterfaces");
121 this.Native.CreateMethod("WlanScan");
122 this.Native.CreateMethod("WlanQueryInterface");
123
124 var negotiated = this.Marshal.CreatePointer();
125 var h = this.Marshal.CreatePointer();
126
127 this.Native.WlanOpenHandle(2, 0, negotiated, h);
128 this.Handle = h.Deref();
129
130 this._NOTIFY_PROXY_OBJECT = this.Marshal.CreateCallbackProxy(OnNotify, 2);
131 this._NOTIFY_PROXY_OBJECT.Parent = this;
132 var PrevSource = this.Marshal.CreatePointer();
133 var result = this.Native.WlanRegisterNotification(this.Handle, 0X0000FFFF, 0, this._NOTIFY_PROXY_OBJECT.Callback, this._NOTIFY_PROXY_OBJECT.State, 0, PrevSource);
134
135 emitterUtils.createEvent('Scan');
136 emitterUtils.addMethod('Scan', _Scan);
137
138 this.GetConnectedNetwork = function ()
139 {
140 var interfaces = this.Marshal.CreatePointer();
141
142 console.log('Success = ' + this.Native.WlanEnumInterfaces(this.Handle, 0, interfaces).Val);
143 var count = interfaces.Deref().Deref(0, 4).toBuffer().readUInt32LE(0);
144 var info = interfaces.Deref().Deref(8, 532);
145 var iname = info.Deref(16, 512).AnsiString;
146 var istate = info.Deref(528, 4).toBuffer().readUInt32LE(0);
147 if(info.Deref(528, 4).toBuffer().readUInt32LE(0) == 1) // CONNECTED
148 {
149 var dataSize = this.Marshal.CreatePointer();
150 var pData = this.Marshal.CreatePointer();
151 var valueType = this.Marshal.CreatePointer();
152 var iguid = info.Deref(0, 16);
153 var retVal = this.Native.WlanQueryInterface(this.Handle, iguid, 7, 0, dataSize, pData, valueType).Val;
154 if (retVal == 0)
155 {
156 var associatedSSID = pData.Deref().Deref(524, 32).String;
157 var bssid = pData.Deref().Deref(560, 6).HexString;
158 var lq = pData.Deref().Deref(576, 4).toBuffer().readUInt32LE(0);
159
160 return (new AccessPoint(associatedSSID, bssid, 0, lq));
161 }
162 }
163 throw ("GetConnectedNetworks: FAILED (not associated to a network)");
164 };
165
166
167 return (this);
168 }
169
170 module.exports = new Wireless();