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Added contract id verification. (#180)

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* Added contract id config.
* Verify contract id with user/peer challenge.
* Updated cluster scripts.
* Updated node client lib for contract id verification.
This commit is contained in:
Ravin Perera
2020-12-01 16:08:41 +05:30
committed by GitHub
parent de71b97371
commit 596fd2b43c
16 changed files with 140 additions and 56 deletions
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23
src/p2p/peer_session_handler.cpp
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@@ -45,8 +45,10 @@ namespace p2p
return 0;
}
// peer session on message callback method.
// validate and handle each type of peer messages.
/**
* Peer session on message callback method. Validate and handle each type of peer messages.
* @return 0 on normal execution. -1 when session needs to be closed as a result of message handling.
*/
int handle_peer_message(p2p::peer_comm_session &session, std::string_view message)
{
// Adding message size to peer message characters(bytes) per minute counter.
@@ -95,10 +97,15 @@ namespace p2p
if (content_message_type == p2pmsg::Message_Peer_Challenge_Message) // message is a peer challenge announcement
{
// Sending the challenge response to the respected peer.
const std::string challenge = std::string(p2pmsg::get_peer_challenge_from_msg(*content->message_as_Peer_Challenge_Message()));
const p2p::peer_challenge chall = p2pmsg::get_peer_challenge_from_msg(*content->message_as_Peer_Challenge_Message());
// Check whether contract ids match.
if (chall.contract_id != conf::cfg.contractid)
return -1;
// Sending the challenge response to the sender.
flatbuffers::FlatBufferBuilder fbuf(1024);
p2pmsg::create_peer_challenge_response_from_challenge(fbuf, challenge);
p2pmsg::create_peer_challenge_response_from_challenge(fbuf, chall.challenge);
std::string_view msg = std::string_view(
reinterpret_cast<const char *>(fbuf.GetBufferPointer()), fbuf.GetSize());
return session.send(msg);
@@ -216,7 +223,7 @@ namespace p2p
{
// Check the cap and insert request with lock.
std::scoped_lock<std::mutex> lock(ledger::sync_ctx.list_mutex);
// If max number of history requests reached skip the rest.
if (ledger::sync_ctx.collected_history_requests.size() < ledger::HISTORY_REQ_LIST_CAP)
{
@@ -303,7 +310,7 @@ namespace p2p
{
// Check the cap and insert proposal with lock.
std::scoped_lock<std::mutex> lock(ctx.collected_msgs.proposals_mutex);
// If max number of proposals reached skip the rest.
if (ctx.collected_msgs.proposals.size() == p2p::PROPOSAL_LIST_CAP)
return -1;
@@ -331,7 +338,7 @@ namespace p2p
ctx.collected_msgs.nonunl_proposals.push_back(
p2pmsg::create_nonunl_proposal_from_msg(*content->message_as_NonUnl_Proposal_Message(), container->timestamp()));
return 0;
}