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Fixed header parsing in SimpleHttpClient for wrongly advanced cursor position in readBuffer

This commit is contained in:
Kaveh Vahedipour 2017-05-08 15:46:45 +02:00
parent 2db7cfb299
commit 61444b6154
1 changed files with 20 additions and 0 deletions
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20
lib/SimpleHttpClient/SimpleHttpClient.cpp
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@ -635,6 +635,13 @@ void SimpleHttpClient::setRequest(
// -----------------------------------------------------------------------------
void SimpleHttpClient::processHeader() {
if (_readBufferOffset > _readBuffer.length()) {
#warning Forgetmenot
LOG_TOPIC(WARN, Logger::FIXME)
<< _readBufferOffset << " " << _readBuffer.length()
<< " " << std::string(_readBuffer.c_str(), _readBuffer.length());
}
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
size_t remain = _readBuffer.length() - _readBufferOffset;
char const* ptr = _readBuffer.c_str() + _readBufferOffset;
@ -658,12 +665,16 @@ void SimpleHttpClient::processHeader() {
if (*ptr == '\r' || *ptr == '\n' || *ptr == '\0') {
size_t len = pos - ptr;
_readBufferOffset += len + 1;
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
ptr += len + 1;
remain -= len + 1;
if (*pos == '\r') {
// adjust offset if line ended with \r\n
++_readBufferOffset;
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
ptr++;
remain--;
}
@ -729,6 +740,8 @@ void SimpleHttpClient::processHeader() {
ptr += len + 1;
_readBufferOffset += len + 1;
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
remain -= (len + 1);
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
@ -738,6 +751,8 @@ void SimpleHttpClient::processHeader() {
if (pos == nullptr) {
_readBufferOffset++;
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
ptr++;
remain--;
}
@ -783,6 +798,8 @@ void SimpleHttpClient::processBody() {
}
_readBufferOffset += _result->getContentLength();
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
_result->setResultType(SimpleHttpResult::COMPLETE);
_state = FINISHED;
@ -815,6 +832,8 @@ void SimpleHttpClient::processChunkedHeader() {
// adjust offset if line ended with \r\n
if (*pos == '\r') {
++_readBufferOffset;
TRI_ASSERT(_readBufferOffset <= _readBuffer.length());
++len;
}
@ -894,6 +913,7 @@ void SimpleHttpClient::processChunkedBody() {
}
_readBufferOffset += (size_t)_nextChunkedSize + 2;
_state = IN_READ_CHUNKED_HEADER;
processChunkedHeader();
}