lokinet/llarp/exit/reject_exit.cpp

104 lines
2.7 KiB
C++

#include <messages/exit.hpp>
#include <crypto/crypto.hpp>
#include <routing/handler.hpp>
namespace llarp
{
namespace routing
{
bool
RejectExitMessage::BEncode(llarp_buffer_t* buf) const
{
if(!bencode_start_dict(buf))
return false;
if(!BEncodeWriteDictMsgType(buf, "A", "J"))
return false;
if(!BEncodeWriteDictInt("B", B, buf))
return false;
if(!BEncodeWriteDictList("R", R, buf))
return false;
if(!BEncodeWriteDictInt("S", S, buf))
return false;
if(!BEncodeWriteDictInt("T", T, buf))
return false;
if(!BEncodeWriteDictInt("V", version, buf))
return false;
if(!BEncodeWriteDictEntry("Y", Y, buf))
return false;
if(!BEncodeWriteDictEntry("Z", Z, buf))
return false;
return bencode_end(buf);
}
bool
RejectExitMessage::DecodeKey(const llarp_buffer_t& k, llarp_buffer_t* buf)
{
bool read = false;
if(!BEncodeMaybeReadDictInt("B", B, read, k, buf))
return false;
if(!BEncodeMaybeReadDictList("R", R, read, k, buf))
return false;
if(!BEncodeMaybeReadDictInt("S", S, read, k, buf))
return false;
if(!BEncodeMaybeReadDictInt("T", T, read, k, buf))
return false;
if(!BEncodeMaybeReadDictInt("V", version, read, k, buf))
return false;
if(!BEncodeMaybeReadDictEntry("Y", Y, read, k, buf))
return false;
if(!BEncodeMaybeReadDictEntry("Z", Z, read, k, buf))
return false;
return read;
}
RejectExitMessage&
RejectExitMessage::operator=(const RejectExitMessage& other)
{
B = other.B;
R = other.R;
S = other.S;
T = other.T;
version = other.version;
Y = other.Y;
Z = other.Z;
return *this;
}
bool
RejectExitMessage::Sign(llarp::Crypto* c, const llarp::SecretKey& sk)
{
std::array< byte_t, 512 > tmp;
llarp_buffer_t buf(tmp);
Z.Zero();
Y.Randomize();
if(!BEncode(&buf))
return false;
buf.sz = buf.cur - buf.base;
return c->sign(Z, sk, buf);
}
bool
RejectExitMessage::Verify(llarp::Crypto* c, const llarp::PubKey& pk) const
{
std::array< byte_t, 512 > tmp;
llarp_buffer_t buf(tmp);
RejectExitMessage copy;
copy = *this;
copy.Z.Zero();
if(!copy.BEncode(&buf))
return false;
buf.sz = buf.cur - buf.base;
return c->verify(pk, buf, Z);
}
bool
RejectExitMessage::HandleMessage(IMessageHandler* h,
AbstractRouter* r) const
{
return h->HandleRejectExitMessage(this, r);
}
} // namespace routing
} // namespace llarp