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Merge pull request #176 from arduino-libraries/iContentLength_wraparound

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Make sure iContentLength doesn't wrap around due to malformed packets
This commit is contained in:
Martino Facchin
2024-07-25 12:03:49 +02:00
committed by GitHub
parent 6f2659de4c 1a3fb989a5
commit 25f54e952e
1 changed files with 5 additions and 1 deletions
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6
src/HttpClient.cpp
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@ -819,7 +819,11 @@ int HttpClient::readHeader()
case eReadingContentLength:
if (isdigit(c))
{
iContentLength = iContentLength*10 + (c - '0');
long _iContentLength = iContentLength*10 + (c - '0');
// Only apply if the value didn't wrap around
if (_iContentLength > iContentLength) {
iContentLength = _iContentLength;
}
}
else
{