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Code Issues Releases Activity

do not trust received msg length to read forever

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This commit is contained in:
arve0 2015-03-16 21:23:01 +01:00
parent f7eb24815c
commit ff48ee4c5b
1 changed files with 4 additions and 3 deletions
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5
libraries/Bridge/src/Bridge.cpp
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@ -191,11 +191,12 @@ uint16_t BridgeClass::transfer(const uint8_t *buff1, uint16_t len1,
// Recv data // Recv data
for (uint16_t i = 0; i < l; i++) { for (uint16_t i = 0; i < l; i++) {
// Cut received data if rxbuffer is too small
if (i >= rxlen)
break;
int c = timedRead(5); int c = timedRead(5);
if (c < 0) if (c < 0)
continue; continue;
// Cut received data if rxbuffer is too small
if (i < rxlen)
rxbuff[i] = c; rxbuff[i] = c;
crcUpdate(c); crcUpdate(c);
} }