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authorAndriy Byzhynar <AByzhynar@luxoft.com>2018-02-19 18:34:55 +0200
committerAndrii Kalinich <AKalinich@luxoft.com>2018-06-18 18:53:47 +0300
commitd1bd37932229925b1d929e63f0a06e80caecda96 (patch)
tree862e651765aaa51b03a01762436f5eb8b6867802 /src/components/protocol_handler
parent6669b25d21d326fd0b6a0e470b80374e1da2d0b6 (diff)
downloadsdl_core-d1bd37932229925b1d929e63f0a06e80caecda96.tar.gz
Fix decrypted multiframe message handling
Fixed SDL behavior in case when FIRST_FRAME received from mobile was encrypted
Diffstat (limited to 'src/components/protocol_handler')
-rw-r--r--src/components/protocol_handler/include/protocol_handler/protocol_packet.h6
-rw-r--r--src/components/protocol_handler/src/multiframe_builder.cc2
-rw-r--r--src/components/protocol_handler/src/protocol_handler_impl.cc6
-rw-r--r--src/components/protocol_handler/src/protocol_packet.cc24
4 files changed, 31 insertions, 7 deletions
diff --git a/src/components/protocol_handler/include/protocol_handler/protocol_packet.h b/src/components/protocol_handler/include/protocol_handler/protocol_packet.h
index 1c427533e6..b6c05d4c46 100644
--- a/src/components/protocol_handler/include/protocol_handler/protocol_packet.h
+++ b/src/components/protocol_handler/include/protocol_handler/protocol_packet.h
@@ -252,6 +252,12 @@ class ProtocolPacket {
const size_t messageSize);
/**
+ * @brief Calculates FIRST_FRAME data for further handling of consecutive
+ * frames
+ */
+ void HandleRawFirstFrameData(const uint8_t* message);
+
+ /**
* \brief Getter of protocol version.
*/
uint8_t protocol_version() const;
diff --git a/src/components/protocol_handler/src/multiframe_builder.cc b/src/components/protocol_handler/src/multiframe_builder.cc
index 5a1fc6d205..cf8a23ddc1 100644
--- a/src/components/protocol_handler/src/multiframe_builder.cc
+++ b/src/components/protocol_handler/src/multiframe_builder.cc
@@ -91,6 +91,8 @@ bool MultiFrameBuilder::RemoveConnection(const ConnectionID connection_id) {
ProtocolFramePtrList MultiFrameBuilder::PopMultiframes() {
LOG4CXX_AUTO_TRACE(logger_);
LOG4CXX_DEBUG(logger_, "Current state is: " << multiframes_map_);
+ LOG4CXX_DEBUG(logger_,
+ "Current multiframe map size is: " << multiframes_map_.size());
ProtocolFramePtrList outpute_frame_list;
for (MultiFrameMap::iterator connection_it = multiframes_map_.begin();
connection_it != multiframes_map_.end();
diff --git a/src/components/protocol_handler/src/protocol_handler_impl.cc b/src/components/protocol_handler/src/protocol_handler_impl.cc
index 9db6355d50..6ab63cbdda 100644
--- a/src/components/protocol_handler/src/protocol_handler_impl.cc
+++ b/src/components/protocol_handler/src/protocol_handler_impl.cc
@@ -1718,6 +1718,7 @@ RESULT_CODE ProtocolHandlerImpl::HandleControlMessageHeartBeat(
}
void ProtocolHandlerImpl::PopValideAndExpirateMultiframes() {
+ LOG4CXX_AUTO_TRACE(logger_);
const ProtocolFramePtrList& frame_list = multiframe_builder_.PopMultiframes();
for (ProtocolFramePtrList::const_iterator it = frame_list.begin();
it != frame_list.end();
@@ -1964,6 +1965,11 @@ RESULT_CODE ProtocolHandlerImpl::DecryptFrame(ProtocolFramePtr packet) {
<< out_data_size << " bytes");
DCHECK(out_data);
DCHECK(out_data_size);
+ // Special handling for decrypted FIRST_FRAME
+ if (packet->frame_type() == FRAME_TYPE_FIRST && packet->protection_flag()) {
+ packet->HandleRawFirstFrameData(out_data);
+ return RESULT_OK;
+ }
packet->set_data(out_data, out_data_size);
return RESULT_OK;
}
diff --git a/src/components/protocol_handler/src/protocol_packet.cc b/src/components/protocol_handler/src/protocol_packet.cc
index ae52849de6..a490916c99 100644
--- a/src/components/protocol_handler/src/protocol_packet.cc
+++ b/src/components/protocol_handler/src/protocol_packet.cc
@@ -520,6 +520,17 @@ bool ProtocolPacket::operator==(const ProtocolPacket& other) const {
return false;
}
+void ProtocolPacket::HandleRawFirstFrameData(const uint8_t* message) {
+ LOG4CXX_AUTO_TRACE(logger_);
+ payload_size_ = 0;
+ const uint8_t* data = message;
+ uint32_t total_data_bytes = data[0] << 24;
+ total_data_bytes |= data[1] << 16;
+ total_data_bytes |= data[2] << 8;
+ total_data_bytes |= data[3];
+ set_total_data_bytes(total_data_bytes);
+}
+
RESULT_CODE ProtocolPacket::deserializePacket(const uint8_t* message,
const size_t messageSize) {
LOG4CXX_AUTO_TRACE(logger_);
@@ -532,18 +543,15 @@ RESULT_CODE ProtocolPacket::deserializePacket(const uint8_t* message,
packet_data_.totalDataBytes = packet_header_.dataSize;
uint32_t dataPayloadSize = 0;
- if ((offset < messageSize) && packet_header_.frameType != FRAME_TYPE_FIRST) {
+ if ((offset < messageSize)) {
dataPayloadSize = messageSize - offset;
}
- if (packet_header_.frameType == FRAME_TYPE_FIRST) {
+ if (packet_header_.frameType == FRAME_TYPE_FIRST &&
+ !packet_header_.protection_flag) {
payload_size_ = 0;
const uint8_t* data = message + offset;
- uint32_t total_data_bytes = data[0] << 24;
- total_data_bytes |= data[1] << 16;
- total_data_bytes |= data[2] << 8;
- total_data_bytes |= data[3];
- set_total_data_bytes(total_data_bytes);
+ HandleRawFirstFrameData(data);
if (0 == packet_data_.data) {
return RESULT_FAIL;
}
@@ -602,6 +610,8 @@ uint8_t* ProtocolPacket::data() const {
}
void ProtocolPacket::set_total_data_bytes(size_t dataBytes) {
+ LOG4CXX_AUTO_TRACE(logger_);
+ LOG4CXX_DEBUG(logger_, "Data bytes : " << dataBytes);
if (dataBytes) {
delete[] packet_data_.data;
packet_data_.data = new (std::nothrow) uint8_t[dataBytes];