Skip to content
Navigation Menu
{{ message }}
forked from esp8266/Arduino
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathArduinoOTA.cpp
More file actions
383 lines (337 loc) · 8.44 KB
/
Copy pathArduinoOTA.cpp
File metadata and controls
383 lines (337 loc) · 8.44 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
#ifndef LWIP_OPEN_SRC
#define LWIP_OPEN_SRC
#endif
#include <functional>
#include <WiFiUdp.h>
#include "ArduinoOTA.h"
#include "MD5Builder.h"
#include "StreamString.h"
extern "C" {
#include "osapi.h"
#include "ets_sys.h"
#include "user_interface.h"
}
#include "lwip/opt.h"
#include "lwip/udp.h"
#include "lwip/inet.h"
#include "lwip/igmp.h"
#include "lwip/mem.h"
#include "include/UdpContext.h"
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_MDNS)
#include <ESP8266mDNS.h>
#endif
#ifdef DEBUG_ESP_OTA
#ifdef DEBUG_ESP_PORT
#define OTA_DEBUG DEBUG_ESP_PORT
#endif
#endif
ArduinoOTAClass::ArduinoOTAClass()
{
}
ArduinoOTAClass::~ArduinoOTAClass(){
if(_udp_ota){
_udp_ota->unref();
_udp_ota = 0;
}
}
void ArduinoOTAClass::onStart(THandlerFunction fn) {
_start_callback = fn;
}
void ArduinoOTAClass::onEnd(THandlerFunction fn) {
_end_callback = fn;
}
void ArduinoOTAClass::onProgress(THandlerFunction_Progress fn) {
_progress_callback = fn;
}
void ArduinoOTAClass::onError(THandlerFunction_Error fn) {
_error_callback = fn;
}
void ArduinoOTAClass::setPort(uint16_t port) {
if (!_initialized && !_port && port) {
_port = port;
}
}
void ArduinoOTAClass::setHostname(const char * hostname) {
if (!_initialized && !_hostname.length() && hostname) {
_hostname = hostname;
}
}
String ArduinoOTAClass::getHostname() {
return _hostname;
}
void ArduinoOTAClass::setPassword(const char * password) {
if (!_initialized && !_password.length() && password) {
MD5Builder passmd5;
passmd5.begin();
passmd5.add(password);
passmd5.calculate();
_password = passmd5.toString();
}
}
void ArduinoOTAClass::setPasswordHash(const char * password) {
if (!_initialized && !_password.length() && password) {
_password = password;
}
}
void ArduinoOTAClass::setRebootOnSuccess(bool reboot){
_rebootOnSuccess = reboot;
}
void ArduinoOTAClass::begin(bool useMDNS) {
if (_initialized)
return;
_useMDNS = useMDNS;
if (!_hostname.length()) {
char tmp[15];
sprintf(tmp, "esp8266-%06x", ESP.getChipId());
_hostname = tmp;
}
if (!_port) {
_port = 8266;
}
if(_udp_ota){
_udp_ota->unref();
_udp_ota = 0;
}
_udp_ota = new UdpContext;
_udp_ota->ref();
if(!_udp_ota->listen(IP_ADDR_ANY, _port))
return;
_udp_ota->onRx(std::bind(&ArduinoOTAClass::_onRx, this));
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_MDNS)
if(_useMDNS) {
MDNS.begin(_hostname.c_str());
if (_password.length()) {
MDNS.enableArduino(_port, true);
} else {
MDNS.enableArduino(_port);
}
}
#endif
_initialized = true;
_state = OTA_IDLE;
#ifdef OTA_DEBUG
OTA_DEBUG.printf("OTA server at: %s.local:%u\n", _hostname.c_str(), _port);
#endif
}
int ArduinoOTAClass::parseInt(){
char data[16];
uint8_t index;
char value;
while(_udp_ota->peek() == ' ') _udp_ota->read();
for(index = 0; index < sizeof(data); ++index){
value = _udp_ota->peek();
if(value < '0' || value > '9'){
data[index] = '\0';
return atoi(data);
}
data[index] = _udp_ota->read();
}
return 0;
}
String ArduinoOTAClass::readStringUntil(char end){
String res;
int value;
while(true){
value = _udp_ota->read();
if(value < 0 || value == '\0' || value == end){
return res;
}
res += static_cast<char>(value);
}
return res;
}
void ArduinoOTAClass::_onRx(){
if(!_udp_ota->next()) return;
IPAddress ota_ip;
if (_state == OTA_IDLE) {
int cmd = parseInt();
if (cmd != U_FLASH && cmd != U_FS)
return;
_ota_ip = _udp_ota->getRemoteAddress();
_cmd = cmd;
_ota_port = parseInt();
_ota_udp_port = _udp_ota->getRemotePort();
_size = parseInt();
_udp_ota->read();
_md5 = readStringUntil('\n');
_md5.trim();
if(_md5.length() != 32)
return;
ota_ip = _ota_ip;
if (_password.length()){
MD5Builder nonce_md5;
nonce_md5.begin();
nonce_md5.add(String(micros()));
nonce_md5.calculate();
_nonce = nonce_md5.toString();
char auth_req[38];
sprintf(auth_req, "AUTH %s", _nonce.c_str());
_udp_ota->append((const char *)auth_req, strlen(auth_req));
_udp_ota->send(ota_ip, _ota_udp_port);
_state = OTA_WAITAUTH;
return;
} else {
_state = OTA_RUNUPDATE;
}
} else if (_state == OTA_WAITAUTH) {
int cmd = parseInt();
if (cmd != U_AUTH) {
_state = OTA_IDLE;
return;
}
_udp_ota->read();
String cnonce = readStringUntil(' ');
String response = readStringUntil('\n');
if (cnonce.length() != 32 || response.length() != 32) {
_state = OTA_IDLE;
return;
}
String challenge = _password + ':' + String(_nonce) + ':' + cnonce;
MD5Builder _challengemd5;
_challengemd5.begin();
_challengemd5.add(challenge);
_challengemd5.calculate();
String result = _challengemd5.toString();
ota_ip = _ota_ip;
if(result.equalsConstantTime(response)) {
_state = OTA_RUNUPDATE;
} else {
_udp_ota->append("Authentication Failed", 21);
_udp_ota->send(ota_ip, _ota_udp_port);
if (_error_callback) _error_callback(OTA_AUTH_ERROR);
_state = OTA_IDLE;
}
}
while(_udp_ota->next()) _udp_ota->flush();
}
void ArduinoOTAClass::_runUpdate() {
IPAddress ota_ip = _ota_ip;
if (!Update.begin(_size, _cmd)) {
#ifdef OTA_DEBUG
OTA_DEBUG.println("Update Begin Error");
#endif
if (_error_callback) {
_error_callback(OTA_BEGIN_ERROR);
}
StreamString ss;
Update.printError(ss);
_udp_ota->append("ERR: ", 5);
_udp_ota->append(ss.c_str(), ss.length());
_udp_ota->send(ota_ip, _ota_udp_port);
delay(100);
_udp_ota->listen(IP_ADDR_ANY, _port);
_state = OTA_IDLE;
return;
}
_udp_ota->append("OK", 2);
_udp_ota->send(ota_ip, _ota_udp_port);
delay(100);
Update.setMD5(_md5.c_str());
if (_start_callback) {
_start_callback();
}
if (_progress_callback) {
_progress_callback(0, _size);
}
WiFiClient client;
if (!client.connect(_ota_ip, _ota_port)) {
#ifdef OTA_DEBUG
OTA_DEBUG.printf("Connect Failed\n");
#endif
_udp_ota->listen(IP_ADDR_ANY, _port);
if (_error_callback) {
_error_callback(OTA_CONNECT_ERROR);
}
_state = OTA_IDLE;
}
// OTA sends little packets
client.setNoDelay(true);
uint32_t written, total = 0;
while (!Update.isFinished() && (client.connected() || client.available())) {
int waited = 1000;
while (!client.available() && waited--)
delay(1);
if (!waited){
#ifdef OTA_DEBUG
OTA_DEBUG.printf("Receive Failed\n");
#endif
_udp_ota->listen(IP_ADDR_ANY, _port);
if (_error_callback) {
_error_callback(OTA_RECEIVE_ERROR);
}
_state = OTA_IDLE;
}
written = Update.write(client);
if (written > 0) {
client.print(written, DEC);
total += written;
if(_progress_callback) {
_progress_callback(total, _size);
}
}
}
if (Update.end()) {
// Ensure last count packet has been sent out and not combined with the final OK
client.flush();
delay(1000);
client.print("OK");
client.flush();
delay(1000);
client.stop();
#ifdef OTA_DEBUG
OTA_DEBUG.printf("Update Success\n");
#endif
if (_end_callback) {
_end_callback();
}
if(_rebootOnSuccess){
#ifdef OTA_DEBUG
OTA_DEBUG.printf("Rebooting...\n");
#endif
//let serial/network finish tasks that might be given in _end_callback
delay(100);
ESP.restart();
}
} else {
_udp_ota->listen(IP_ADDR_ANY, _port);
if (_error_callback) {
_error_callback(OTA_END_ERROR);
}
Update.printError(client);
#ifdef OTA_DEBUG
Update.printError(OTA_DEBUG);
#endif
_state = OTA_IDLE;
}
}
void ArduinoOTAClass::end() {
_initialized = false;
_udp_ota->unref();
_udp_ota = 0;
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_MDNS)
if(_useMDNS){
MDNS.end();
}
#endif
_state = OTA_IDLE;
#ifdef OTA_DEBUG
OTA_DEBUG.printf("OTA server stopped.\n");
#endif
}
//this needs to be called in the loop()
void ArduinoOTAClass::handle() {
if (_state == OTA_RUNUPDATE) {
_runUpdate();
_state = OTA_IDLE;
}
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_MDNS)
if(_useMDNS)
MDNS.update(); //handle MDNS update as well, given that ArduinoOTA relies on it anyways
#endif
}
int ArduinoOTAClass::getCommand() {
return _cmd;
}
#if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_ARDUINOOTA)
ArduinoOTAClass ArduinoOTA;
#endif
You can’t perform that action at this time.