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check validity of PDU

This commit is contained in:
Kevin Matz 2021-08-14 10:43:51 -04:00
parent 41d7553e1e
commit 7981acc57b
1 changed files with 18 additions and 0 deletions
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18
sacn/receiver.cpp
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@ -123,6 +123,10 @@ void Receiver::onDiscovered(const EXTENDED::DISCOVERY::Watcher cb) {
* Receive VECTOR_ROOT_E131_DATA vector'd packets.
*/
void Receiver::dataReceiver(std::shared_ptr<RLP::Pdu> root) {
// check that PDU is valid
if (root->stream()->fail())
return;
auto block = PDU::Block<DATA::Pdu>();
block.iStream(root->stream());
if (root->stream()->fail())
@ -153,6 +157,10 @@ void Receiver::dataReceiver(std::shared_ptr<RLP::Pdu> root) {
* Receive VECTOR_ROOT_E131_EXTENDED vector'd packets.
*/
void Receiver::extendedReceiver(std::shared_ptr<RLP::Pdu> root) {
// check that PDU is valid
if (root->stream()->fail())
return;
auto block = PDU::Block<EXTENDED::Pdu>();
block.iStream(root->stream());
if (root->stream()->fail())
@ -188,6 +196,9 @@ void Receiver::extendedReceiver(std::shared_ptr<RLP::Pdu> root) {
*
*/
void Receiver::dataFrameHandler(std::shared_ptr<DATA::Pdu> frame) {
// check that PDU is valid
if (frame->stream()->fail())
return;
auto source = std::shared_ptr<UniverseSource>(new UniverseSource(frame));
@ -264,6 +275,10 @@ void Receiver::syncFrameHandler(std::shared_ptr<EXTENDED::Pdu> frame)
* @param frame
*/
void Receiver::discoveryFrameHandler(std::shared_ptr<EXTENDED::Pdu> frame) {
// check that PDU is valid
if (frame->stream()->fail())
return;
// PDU data will be a block of Discovery List PDU
auto block = static_cast<PDU::Block<EXTENDED::DISCOVERY::Pdu>*>(frame->data());
@ -289,6 +304,9 @@ void Receiver::discoveryFrameHandler(std::shared_ptr<EXTENDED::Pdu> frame) {
* @param pdu
*/
void Receiver::discoveryListHanlder(std::shared_ptr<EXTENDED::DISCOVERY::Pdu> pdu) {
// check that PDU is valid
if (pdu->stream()->fail())
return;
auto data = static_cast<EXTENDED::DISCOVERY::discovery_list_data*>(pdu->data());
for (auto& f : data->found)