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* Refs #20549: Add BB test Signed-off-by: Mario Dominguez <[email protected]> * Fix:Fixed integer overflow causing heap overflow When a sub node receives a manipulated DATA sub-message, an Integer Overflow occurs in uint32_t payload_size. This causes a heap buffer overflow error. A comparison statement was inserted before the line that calculates the variable, which fixes the error. Signed-off-by: Desglaneurs <[email protected]> * Refs #20549: Fix review Signed-off-by: Mario Dominguez <[email protected]> * Refs #201549: Reset the change data fields before exiting Signed-off-by: Mario Dominguez <[email protected]> --------- Signed-off-by: Mario Dominguez <[email protected]> Signed-off-by: Desglaneurs <[email protected]> Co-authored-by: Mario Dominguez <[email protected]>
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#include <asio/io_service.hpp> | ||
#include <asio/ip/udp.hpp> | ||
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#include <fastdds/rtps/common/CDRMessage_t.h> | ||
#include <fastrtps/utils/IPLocator.h> | ||
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using namespace eprosima::fastrtps; | ||
using namespace eprosima::fastrtps::rtps; | ||
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struct UDPMessageSender | ||
{ | ||
asio::io_service service; | ||
asio::ip::udp::socket socket; | ||
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UDPMessageSender() | ||
: service() | ||
, socket(service) | ||
{ | ||
socket.open(asio::ip::udp::v4()); | ||
} | ||
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void send( | ||
const CDRMessage_t& msg, | ||
const Locator_t& destination) | ||
{ | ||
std::string addr = IPLocator::toIPv4string(destination); | ||
unsigned short port = static_cast<unsigned short>(destination.port); | ||
auto remote = asio::ip::udp::endpoint(asio::ip::address::from_string(addr), port); | ||
asio::error_code ec; | ||
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socket.send_to(asio::buffer(msg.buffer, msg.length), remote, 0, ec); | ||
} | ||
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}; |
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