mirror of
https://github.com/markqvist/reticulum-cpp.git
synced 2024-10-01 02:55:46 -04:00
WIP update
Finished moving Packet over to implicit sharing.
This commit is contained in:
attermann
parent
59b8e90d1f
commit
2c8006f3a9
@ -270,16 +270,16 @@ bool Destination::deregister_request_handler(const Bytes &path) {
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void Destination::receive(const Packet &packet) {
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assert(_object);
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if (packet._packet_type == Packet::LINKREQUEST) {
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Bytes plaintext(packet._data);
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if (packet.packet_type() == Packet::LINKREQUEST) {
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Bytes plaintext(packet.data());
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incoming_link_request(plaintext, packet);
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}
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else {
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// CBA TODO Why isn't the Packet decrypting itself?
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Bytes plaintext(decrypt(packet._data));
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Bytes plaintext(decrypt(packet.data()));
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extreme("Destination::receive: decrypted data: " + plaintext.toHex());
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if (plaintext) {
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if (packet._packet_type == RNS::Packet::DATA) {
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if (packet.packet_type() == RNS::Packet::DATA) {
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if (_object->_callbacks._packet) {
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try {
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_object->_callbacks._packet(plaintext, packet);
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@ -190,13 +190,13 @@ bool Identity::validate(const Bytes &signature, const Bytes &message) {
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void Identity::prove(const Packet &packet, const Destination &destination /*= Destination::NONE*/) {
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assert(_object);
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Bytes signature(sign(packet._packet_hash));
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Bytes signature(sign(packet.packet_hash()));
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Bytes proof_data;
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if (RNS::Reticulum::should_use_implicit_proof()) {
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proof_data = signature;
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}
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else {
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proof_data = packet._packet_hash + signature;
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proof_data = packet.packet_hash() + signature;
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}
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//zif (!destination) {
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222
src/Packet.cpp
222
src/Packet.cpp
@ -18,25 +18,25 @@ Packet::Packet(const Destination &destination, const Interface &attached_interfa
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}
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// following moved to object constructor to avoid extra NONE object
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//_destination = destination;
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_header_type = header_type;
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_packet_type = packet_type;
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_transport_type = transport_type;
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_context = context;
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_transport_id = transport_id;
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_data = data;
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if (_data.size() > MDU) {
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_truncated = true;
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_data.resize(MDU);
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_object->_header_type = header_type;
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_object->_packet_type = packet_type;
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_object->_transport_type = transport_type;
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_object->_context = context;
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_object->_transport_id = transport_id;
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_object->_data = data;
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if (_object->_data.size() > MDU) {
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_object->_truncated = true;
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_object->_data.resize(MDU);
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}
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_flags = get_packed_flags();
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_create_receipt = create_receipt;
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_object->_flags = get_packed_flags();
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_object->_create_receipt = create_receipt;
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}
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else {
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extreme("Creating packet without detination...");
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_raw = data;
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_packed = true;
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_fromPacked = true;
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_create_receipt = false;
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_object->_raw = data;
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_object->_packed = true;
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_object->_fromPacked = true;
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_object->_create_receipt = false;
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}
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extreme("Packet object created");
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}
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@ -47,21 +47,23 @@ Packet::~Packet() {
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uint8_t Packet::get_packed_flags() {
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assert(_object);
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uint8_t packed_flags = 0;
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if (_context == LRPROOF) {
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packed_flags = (_header_type << 6) | (_transport_type << 4) | (Destination::LINK << 2) | _packet_type;
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if (_object->_context == LRPROOF) {
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packed_flags = (_object->_header_type << 6) | (_object->_transport_type << 4) | (Destination::LINK << 2) | _object->_packet_type;
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}
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else {
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packed_flags = (_header_type << 6) | (_transport_type << 4) | (_object->_destination.type() << 2) | _packet_type;
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packed_flags = (_object->_header_type << 6) | (_object->_transport_type << 4) | (_object->_destination.type() << 2) | _object->_packet_type;
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}
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return packed_flags;
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}
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void Packet::unpack_flags(uint8_t flags) {
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_header_type = static_cast<header_types>((flags & 0b01000000) >> 6);
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_transport_type = static_cast<Transport::types>((flags & 0b00110000) >> 4);
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_destination_type = static_cast<Destination::types>((flags & 0b00001100) >> 2);
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_packet_type = static_cast<types>(flags & 0b00000011);
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assert(_object);
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_object->_header_type = static_cast<header_types>((flags & 0b01000000) >> 6);
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_object->_transport_type = static_cast<Transport::types>((flags & 0b00110000) >> 4);
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_object->_destination_type = static_cast<Destination::types>((flags & 0b00001100) >> 2);
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_object->_packet_type = static_cast<types>(flags & 0b00000011);
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}
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@ -233,85 +235,85 @@ void Packet::pack() {
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assert(_object);
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debug("Packet::pack: packing packet...");
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_destination_hash = _object->_destination.hash();
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_object->_destination_hash = _object->_destination.hash();
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_raw.clear();
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_encrypted = false;
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_object->_raw.clear();
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_object->_encrypted = false;
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_raw << _flags;
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_raw << _hops;
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_object->_raw << _object->_flags;
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_object->_raw << _object->_hops;
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if (_context == LRPROOF) {
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if (_object->_context == LRPROOF) {
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debug("Packet::pack: destination link id: " + _object->_destination.link_id().toHex() );
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_raw << _object->_destination.link_id();
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_raw << (uint8_t)_context;
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_raw << _data;
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_object->_raw << _object->_destination.link_id();
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_object->_raw << (uint8_t)_object->_context;
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_object->_raw << _object->_data;
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}
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else {
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if (_header_type == HEADER_1) {
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if (_object->_header_type == HEADER_1) {
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debug("Packet::pack: destination hash: " + _object->_destination.hash().toHex() );
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_raw << _object->_destination.hash();
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_raw << (uint8_t)_context;
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_object->_raw << _object->_destination.hash();
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_object->_raw << (uint8_t)_object->_context;
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if (_packet_type == ANNOUNCE) {
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if (_object->_packet_type == ANNOUNCE) {
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// Announce packets are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_packet_type == LINKREQUEST) {
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else if (_object->_packet_type == LINKREQUEST) {
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// Link request packets are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_packet_type == PROOF && _context == RESOURCE_PRF) {
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else if (_object->_packet_type == PROOF && _object->_context == RESOURCE_PRF) {
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// Resource proofs are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_packet_type == PROOF && _object->_destination.type() == Destination::LINK) {
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else if (_object->_packet_type == PROOF && _object->_destination.type() == Destination::LINK) {
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// Packet proofs over links are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_context == RESOURCE) {
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else if (_object->_context == RESOURCE) {
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// A resource takes care of encryption
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// by itself
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_context == KEEPALIVE) {
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else if (_object->_context == KEEPALIVE) {
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// Keepalive packets contain no actual
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// data
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else if (_context == CACHE_REQUEST) {
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else if (_object->_context == CACHE_REQUEST) {
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// Cache-requests are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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else {
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// In all other cases, we encrypt the packet
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// with the destination's encryption method
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_raw << _object->_destination.encrypt(_data);
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_encrypted = true;
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_object->_raw << _object->_destination.encrypt(_object->_data);
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_object->_encrypted = true;
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}
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}
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else if (_header_type == HEADER_2) {
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if (!_transport_id) {
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else if (_object->_header_type == HEADER_2) {
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if (!_object->_transport_id) {
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throw std::invalid_argument("Packet with header type 2 must have a transport ID");
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}
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debug("Packet::pack: transport id: " + _transport_id.toHex() );
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debug("Packet::pack: transport id: " + _object->_transport_id.toHex() );
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debug("Packet::pack: destination hash: " + _object->_destination.hash().toHex() );
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_raw << _transport_id;
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_raw << _object->_destination.hash();
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_raw << (uint8_t)_context;
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_object->_raw << _object->_transport_id;
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_object->_raw << _object->_destination.hash();
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_object->_raw << (uint8_t)_object->_context;
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if (_packet_type == ANNOUNCE) {
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if (_object->_packet_type == ANNOUNCE) {
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// Announce packets are not encrypted
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_raw << _data;
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_object->_raw << _object->_data;
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}
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}
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}
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if (_raw.size() > _mtu) {
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throw std::length_error("Packet size of " + std::to_string(_raw.size()) + " exceeds MTU of " + std::to_string(_mtu) +" bytes");
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if (_object->_raw.size() > _object->_mtu) {
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throw std::length_error("Packet size of " + std::to_string(_object->_raw.size()) + " exceeds MTU of " + std::to_string(_object->_mtu) +" bytes");
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}
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_packed = true;
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_object->_packed = true;
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update_hash();
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}
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@ -319,17 +321,17 @@ bool Packet::unpack() {
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assert(_object);
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debug("Packet::unpack: unpacking packet...");
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try {
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if (_raw.size() < Reticulum::HEADER_MINSIZE) {
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throw std::length_error("Packet size of " + std::to_string(_raw.size()) + " does not meet minimum header size of " + std::to_string(Reticulum::HEADER_MINSIZE) +" bytes");
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if (_object->_raw.size() < Reticulum::HEADER_MINSIZE) {
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throw std::length_error("Packet size of " + std::to_string(_object->_raw.size()) + " does not meet minimum header size of " + std::to_string(Reticulum::HEADER_MINSIZE) +" bytes");
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}
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const uint8_t *raw = _raw.data();
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const uint8_t *raw = _object->_raw.data();
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// read header
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_flags = raw[0];
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_hops = raw[1];
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_object->_flags = raw[0];
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_object->_hops = raw[1];
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unpack_flags(_flags);
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unpack_flags(_object->_flags);
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// CBA TODO detect invalid flags and throw error
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if (false) {
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@ -337,27 +339,27 @@ bool Packet::unpack() {
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return false;
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}
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if (_header_type == HEADER_2) {
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if (_raw.size() < Reticulum::HEADER_MAXSIZE) {
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throw std::length_error("Packet size of " + std::to_string(_raw.size()) + " does not meet minimum header size of " + std::to_string(Reticulum::HEADER_MAXSIZE) +" bytes");
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if (_object->_header_type == HEADER_2) {
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if (_object->_raw.size() < Reticulum::HEADER_MAXSIZE) {
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throw std::length_error("Packet size of " + std::to_string(_object->_raw.size()) + " does not meet minimum header size of " + std::to_string(Reticulum::HEADER_MAXSIZE) +" bytes");
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}
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_transport_id.assign(raw+2, Reticulum::DESTINATION_LENGTH);
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_destination_hash.assign(raw+Reticulum::DESTINATION_LENGTH+2, Reticulum::DESTINATION_LENGTH);
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_context = static_cast<context_types>(raw[2*Reticulum::DESTINATION_LENGTH+2]);
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_data.assign(raw+2*Reticulum::DESTINATION_LENGTH+3, _raw.size()-(2*Reticulum::DESTINATION_LENGTH+3));
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_object->_transport_id.assign(raw+2, Reticulum::DESTINATION_LENGTH);
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_object->_destination_hash.assign(raw+Reticulum::DESTINATION_LENGTH+2, Reticulum::DESTINATION_LENGTH);
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_object->_context = static_cast<context_types>(raw[2*Reticulum::DESTINATION_LENGTH+2]);
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_object->_data.assign(raw+2*Reticulum::DESTINATION_LENGTH+3, _object->_raw.size()-(2*Reticulum::DESTINATION_LENGTH+3));
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// uknown at this point whether data is encrypted or not
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_encrypted = true;
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_object->_encrypted = true;
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}
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else {
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_transport_id.clear();
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_destination_hash.assign(raw+2, Reticulum::DESTINATION_LENGTH);
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_context = static_cast<context_types>(raw[Reticulum::DESTINATION_LENGTH+2]);
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_data.assign(raw+Reticulum::DESTINATION_LENGTH+3, _raw.size()-(Reticulum::DESTINATION_LENGTH+3));
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_object->_transport_id.clear();
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_object->_destination_hash.assign(raw+2, Reticulum::DESTINATION_LENGTH);
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_object->_context = static_cast<context_types>(raw[Reticulum::DESTINATION_LENGTH+2]);
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_object->_data.assign(raw+Reticulum::DESTINATION_LENGTH+3, _object->_raw.size()-(Reticulum::DESTINATION_LENGTH+3));
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// uknown at this point whether data is encrypted or not
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_encrypted = true;
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_object->_encrypted = true;
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}
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_packed = false;
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_object->_packed = false;
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update_hash();
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}
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catch (std::exception& e) {
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@ -376,7 +378,7 @@ Sends the packet.
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bool Packet::send() {
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assert(_object);
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debug("Packet::send: sending packet...");
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if (_sent) {
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if (_object->_sent) {
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throw std::logic_error("Packet was already sent");
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}
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/*
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@ -392,7 +394,7 @@ bool Packet::send() {
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}
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*/
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if (!_packed) {
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if (!_object->_packed) {
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pack();
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}
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@ -404,7 +406,7 @@ bool Packet::send() {
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}
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else {
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error("No interfaces could process the outbound packet");
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_sent = false;
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_object->_sent = false;
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//z_receipt = None;
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return false;
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}
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@ -418,7 +420,7 @@ Re-sends the packet.
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bool Packet::resend() {
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assert(_object);
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debug("Packet::resend: re-sending packet...");
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if (!_sent) {
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if (!_object->_sent) {
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throw std::logic_error("Packet was not sent yet");
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}
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// Re-pack the packet to obtain new ciphertext for
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@ -433,7 +435,7 @@ bool Packet::resend() {
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}
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else {
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error("No interfaces could process the outbound packet");
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_sent = false;
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_object->_sent = false;
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//zself.receipt = None;
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return false;
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}
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@ -441,7 +443,7 @@ bool Packet::resend() {
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void Packet::update_hash() {
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assert(_object);
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_packet_hash = get_hash();
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_object->_packet_hash = get_hash();
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}
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Bytes Packet::get_hash() {
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@ -459,14 +461,14 @@ Bytes Packet::getTruncatedHash() {
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Bytes Packet::get_hashable_part() {
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assert(_object);
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Bytes hashable_part;
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hashable_part << (uint8_t)(_raw.data()[0] & 0b00001111);
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if (_header_type == Packet::HEADER_2) {
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hashable_part << (uint8_t)(_object->_raw.data()[0] & 0b00001111);
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if (_object->_header_type == Packet::HEADER_2) {
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//hashable_part += self.raw[(RNS.Identity.TRUNCATED_HASHLENGTH//8)+2:]
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hashable_part << _raw.mid((Identity::TRUNCATED_HASHLENGTH/8)+2);
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hashable_part << _object->_raw.mid((Identity::TRUNCATED_HASHLENGTH/8)+2);
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}
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else {
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//hashable_part += self.raw[2:];
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hashable_part << _raw.mid(2);
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hashable_part << _object->_raw.mid(2);
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}
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return hashable_part;
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}
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@ -479,32 +481,32 @@ Bytes Packet::get_hashable_part() {
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std::string Packet::toString() {
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if (_packed) {
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if (_object->_packed) {
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//unpack();
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}
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std::string dump;
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dump = "\n--------------------\n";
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dump += "flags: " + hexFromByte(_flags) + "\n";
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dump += " header_type: " + std::to_string(_header_type) + "\n";
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dump += " transport_type: " + std::to_string(_transport_type) + "\n";
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dump += " destination_type: " + std::to_string(_destination_type) + "\n";
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dump += " packet_type: " + std::to_string(_packet_type) + "\n";
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dump += "hops: " + std::to_string(_hops) + "\n";
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dump += "transport: " + _transport_id.toHex() + "\n";
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dump += "destination: " + _destination_hash.toHex() + "\n";
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dump += "context_type: " + std::to_string(_header_type) + "\n";
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dump += "data: " + _data.toHex() + "\n";
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dump += " length: " + std::to_string(_data.size()) + "\n";
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dump += "raw: " + _raw.toHex() + "\n";
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dump += " length: " + std::to_string(_raw.size()) + "\n";
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if (_encrypted && _raw.size() > 0) {
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dump += "flags: " + hexFromByte(_object->_flags) + "\n";
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dump += " header_type: " + std::to_string(_object->_header_type) + "\n";
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dump += " transport_type: " + std::to_string(_object->_transport_type) + "\n";
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dump += " destination_type: " + std::to_string(_object->_destination_type) + "\n";
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dump += " packet_type: " + std::to_string(_object->_packet_type) + "\n";
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dump += "hops: " + std::to_string(_object->_hops) + "\n";
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dump += "transport: " + _object->_transport_id.toHex() + "\n";
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dump += "destination: " + _object->_destination_hash.toHex() + "\n";
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dump += "context_type: " + std::to_string(_object->_header_type) + "\n";
|
||||
dump += "data: " + _object->_data.toHex() + "\n";
|
||||
dump += " length: " + std::to_string(_object->_data.size()) + "\n";
|
||||
dump += "raw: " + _object->_raw.toHex() + "\n";
|
||||
dump += " length: " + std::to_string(_object->_raw.size()) + "\n";
|
||||
if (_object->_encrypted && _object->_raw.size() > 0) {
|
||||
size_t header_len = Reticulum::HEADER_MINSIZE;
|
||||
if (_header_type == HEADER_2) {
|
||||
if (_object->_header_type == HEADER_2) {
|
||||
header_len = Reticulum::HEADER_MAXSIZE;
|
||||
}
|
||||
dump += " header: " + _raw.left(header_len).toHex() + "\n";
|
||||
dump += " key: " + _raw.mid(header_len, Identity::KEYSIZE/8/2).toHex() + "\n";
|
||||
Bytes ciphertext(_raw.mid(header_len+Identity::KEYSIZE/8/2));
|
||||
dump += " header: " + _object->_raw.left(header_len).toHex() + "\n";
|
||||
dump += " key: " + _object->_raw.mid(header_len, Identity::KEYSIZE/8/2).toHex() + "\n";
|
||||
Bytes ciphertext(_object->_raw.mid(header_len+Identity::KEYSIZE/8/2));
|
||||
dump += " ciphertext: " + ciphertext.toHex() + "\n";
|
||||
dump += " length: " + std::to_string(ciphertext.size()) + "\n";
|
||||
dump += " iv: " + ciphertext.left(16).toHex() + "\n";
|
||||
|
||||
72
src/Packet.h
72
src/Packet.h
@ -127,51 +127,57 @@ namespace RNS {
|
||||
//zProofDestination &generate_proof_destination();
|
||||
|
||||
// getters/setters
|
||||
inline const Interface& receiving_interface() const { assert(_object); return _object->_receiving_interface; }
|
||||
inline const Interface &receiving_interface() const { assert(_object); return _object->_receiving_interface; }
|
||||
inline header_types header_type() const { assert(_object); return _object->_header_type; }
|
||||
inline Transport::types transport_type() const { assert(_object); return _object->_transport_type; }
|
||||
inline Destination::types destination_type() const { assert(_object); return _object->_destination_type; }
|
||||
inline types packet_type() const { assert(_object); return _object->_packet_type; }
|
||||
inline context_types context() const { assert(_object); return _object->_context; }
|
||||
inline const Bytes &data() const { assert(_object); return _object->_data; }
|
||||
inline const Bytes &raw() const { assert(_object); return _object->_raw; }
|
||||
inline Bytes packet_hash() const { assert(_object); return _object->_packet_hash; }
|
||||
|
||||
std::string toString();
|
||||
|
||||
public:
|
||||
header_types _header_type = HEADER_1;
|
||||
Transport::types _transport_type = Transport::BROADCAST;
|
||||
Destination::types _destination_type = Destination::SINGLE;
|
||||
types _packet_type = DATA;
|
||||
context_types _context = CONTEXT_NONE;
|
||||
|
||||
uint8_t _flags = 0;
|
||||
uint8_t _hops = 0;
|
||||
|
||||
bool _packed = false;
|
||||
bool _sent = false;
|
||||
bool _create_receipt = false;
|
||||
bool _fromPacked = false;
|
||||
bool _truncated = false; // whether data was truncated
|
||||
bool _encrypted = false; // whether data is encrytpted
|
||||
//z_receipt = nullptr;
|
||||
|
||||
uint16_t _mtu = Reticulum::MTU;
|
||||
time_t _sent_at = 0;
|
||||
|
||||
float _rssi = 0.0;
|
||||
float _snr = 0.0;
|
||||
|
||||
Bytes _packet_hash;
|
||||
Bytes _destination_hash;
|
||||
Bytes _transport_id;
|
||||
|
||||
Bytes _raw; // header + ( plaintext | ciphertext-token )
|
||||
Bytes _data; // plaintext | ciphertext
|
||||
|
||||
private:
|
||||
class Object {
|
||||
public:
|
||||
Object(const Destination &destination, const Interface &attached_interface) : _destination(destination), _attached_interface(attached_interface) {}
|
||||
private:
|
||||
|
||||
Destination _destination;
|
||||
|
||||
Interface _attached_interface;
|
||||
Interface _receiving_interface;
|
||||
|
||||
header_types _header_type = HEADER_1;
|
||||
Transport::types _transport_type = Transport::BROADCAST;
|
||||
Destination::types _destination_type = Destination::SINGLE;
|
||||
types _packet_type = DATA;
|
||||
context_types _context = CONTEXT_NONE;
|
||||
|
||||
uint8_t _flags = 0;
|
||||
uint8_t _hops = 0;
|
||||
|
||||
bool _packed = false;
|
||||
bool _sent = false;
|
||||
bool _create_receipt = false;
|
||||
bool _fromPacked = false;
|
||||
bool _truncated = false; // whether data was truncated
|
||||
bool _encrypted = false; // whether data is encrytpted
|
||||
//z_receipt = nullptr;
|
||||
|
||||
uint16_t _mtu = Reticulum::MTU;
|
||||
time_t _sent_at = 0;
|
||||
|
||||
float _rssi = 0.0;
|
||||
float _snr = 0.0;
|
||||
|
||||
Bytes _packet_hash;
|
||||
Bytes _destination_hash;
|
||||
Bytes _transport_id;
|
||||
|
||||
Bytes _raw; // header + ( plaintext | ciphertext-token )
|
||||
Bytes _data; // plaintext | ciphertext
|
||||
|
||||
friend class Packet;
|
||||
};
|
||||
|
||||
21
src/main.cpp
21
src/main.cpp
@ -64,6 +64,13 @@ void setup() {
|
||||
RNS::Destination destination(identity, RNS::Destination::IN, RNS::Destination::SINGLE, "test", "context");
|
||||
// 23.0% (+0.4%)
|
||||
|
||||
destination.set_proof_strategy(RNS::Destination::PROVE_ALL);
|
||||
|
||||
//zannounce_handler = ExampleAnnounceHandler(
|
||||
//z aspect_filter="example_utilities.announcesample.fruits";
|
||||
//z)
|
||||
//zRNS::Transport.register_announce_handler(announce_handler);
|
||||
|
||||
//destination.announce(RNS::bytesFromString(fruits[rand() % 7]));
|
||||
// test path
|
||||
//destination.announce(RNS::bytesFromString(fruits[rand() % 7]), true, nullptr, RNS::bytesFromString("test_tag"));
|
||||
@ -71,25 +78,17 @@ void setup() {
|
||||
destination.announce(RNS::bytesFromString(fruits[rand() % 7]));
|
||||
// 23.9% (+0.8%)
|
||||
|
||||
// test data send packet
|
||||
RNS::Packet send_packet(destination, "The quick brown fox jumps over the lazy dog");
|
||||
send_packet.pack();
|
||||
RNS::extreme("Test send_packet packet: " + send_packet.toString());
|
||||
|
||||
// test packet receive
|
||||
RNS::Packet recv_packet(RNS::Destination::NONE, send_packet._raw);
|
||||
// test data receive packet
|
||||
RNS::Packet recv_packet(RNS::Destination::NONE, send_packet.raw());
|
||||
recv_packet.unpack();
|
||||
RNS::extreme("Test recv_packet packet: " + recv_packet.toString());
|
||||
|
||||
destination.receive(recv_packet);
|
||||
|
||||
//zdestination.set_proof_strategy(RNS::Destination::PROVE_ALL);
|
||||
|
||||
//zannounce_handler = ExampleAnnounceHandler(
|
||||
//z aspect_filter="example_utilities.announcesample.fruits";
|
||||
//z)
|
||||
|
||||
//zRNS::Transport.register_announce_handler(announce_handler);
|
||||
|
||||
}
|
||||
catch (std::exception& e) {
|
||||
RNS::error(std::string("!!! Exception in main: ") + e.what() + " !!!");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user