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#include "../include/sibs/BootstrapConnection.hpp"
#include "../include/Log.hpp"
#include <sibs/SafeDeserializer.hpp>
namespace sibs
{
BootstrapConnection::BootstrapConnection(const Ipv4 &bootstrapAddress)
{
serverPeer = connections.connectServer(bootstrapAddress, std::bind(&BootstrapConnection::receiveDataFromServer, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
}
// TODO: This is vulnerable against MitM attack, replace with asymmetric cryptography, get data signed with server private key and verify against known server public key
void BootstrapConnection::receiveDataFromServer(std::shared_ptr<DirectConnectionPeer> peer, const void *data, const usize size)
{
sibs::SafeDeserializer deserializer((const u8*)data, size);
PubsubKey pubsubKey;
deserializer.extract(pubsubKey.data.data(), PUBSUB_KEY_LENGTH);
auto listenerFuncIt = listenCallbackFuncs.find(pubsubKey);
if(listenerFuncIt == listenCallbackFuncs.end())
{
Log::debug("BoostrapConnection: No listener found for key XXX, ignoring...");
return;
}
while(!deserializer.empty())
{
sa_family_t addressFamily = deserializer.extract<u32>();
if(addressFamily == AF_INET)
{
in_addr_t ipv4Address = deserializer.extract<u32>();
u16 port = deserializer.extract<u32>();
Ipv4 newPeer;
newPeer.address.sin_family = addressFamily;
newPeer.address.sin_addr.s_addr = ipv4Address;
newPeer.address.sin_port = port;
memset(newPeer.address.sin_zero, 0, sizeof(newPeer.address.sin_zero));
// TODO: Move connection to thread and add callback function, just like @receiveData and @send
connections.connect(newPeer, std::bind(&BootstrapConnection::receiveDataFromPeer, this, listenerFuncIt->second, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
}
else
Log::error("BootstrapConnection: Unknown address family: %d", addressFamily);
}
}
void BootstrapConnection::receiveDataFromPeer(BoostrapConnectionListenCallbackFunc listenCallbackFunc, std::shared_ptr<DirectConnectionPeer> peer, const void *data, const usize size)
{
if(listenCallbackFunc)
listenCallbackFunc(data, size);
}
void BootstrapConnection::listen(const PubsubKey &pubsubKey, BoostrapConnectionListenCallbackFunc callbackFunc)
{
if(listenCallbackFuncs.find(pubsubKey) != listenCallbackFuncs.end())
throw PubsubKeyAlreadyListeningException("");
listenCallbackFuncs[pubsubKey] = callbackFunc;
connections.send(serverPeer, std::make_shared<std::vector<u8>>(pubsubKey.data.data(), pubsubKey.data.data()));
}
}
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