arduino/esp8266
1
0
Fork 0
mirror of https://github.com/esp8266/Arduino.git synced 2025-04-19 23:22:16 +03:00
Code

ArduinoOTA: don't crash on unrecognized packets (#4086)

Browse Source 
* ArduinoOTA: handle end of packet in readStringUntil

fixes #3912

* ArduinoOTA: fix buffer overflow in parseInt

fixes #3912
This commit is contained in:
yoursunny 2018-01-03 22:14:32 -05:00 committed by Develo
parent 82e5186786
commit d9ef6b5f18
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
libraries/ArduinoOTA/ArduinoOTA.cpp
View File

@ -143,10 +143,10 @@ void ArduinoOTAClass::begin() {
int ArduinoOTAClass::parseInt(){
char data[16];
uint8_t index = 0;
uint8_t index;
char value;
while(_udp_ota->peek() == ' ') _udp_ota->read();
while(true){
for(index = 0; index < sizeof(data); ++index){
value = _udp_ota->peek();
if(value < '0' || value > '9'){
data[index++] = '\0';
@ -159,13 +159,13 @@ int ArduinoOTAClass::parseInt(){
String ArduinoOTAClass::readStringUntil(char end){
String res = "";
char value;
int value;
while(true){
value = _udp_ota->read();
if(value == '\0' || value == end){
if(value < 0 || value == '\0' || value == end){
return res;
}
res += value;
res += static_cast<char>(value);
}
return res;
}