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120 lines
2.8 KiB
C++
120 lines
2.8 KiB
C++
#include "info.hpp"
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#include <llarp/crypto/crypto.hpp>
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#include "address.hpp"
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#include <llarp/util/buffer.hpp>
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#include <cassert>
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#include <sodium/crypto_generichash.h>
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#include <sodium/crypto_sign_ed25519.h>
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namespace llarp
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{
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namespace service
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{
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bool
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ServiceInfo::Verify(const llarp_buffer_t& payload, const Signature& sig) const
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{
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return CryptoManager::instance()->verify(signkey, payload, sig);
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}
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bool
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ServiceInfo::Update(
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const byte_t* sign, const byte_t* enc, const std::optional<VanityNonce>& nonce)
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{
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signkey = sign;
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enckey = enc;
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if (nonce)
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{
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vanity = *nonce;
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}
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return UpdateAddr();
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}
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bool
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ServiceInfo::DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* val)
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{
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bool read = false;
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if (!BEncodeMaybeReadDictEntry("e", enckey, read, key, val))
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return false;
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if (!BEncodeMaybeReadDictEntry("s", signkey, read, key, val))
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return false;
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if (!BEncodeMaybeReadDictInt("v", version, read, key, val))
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return false;
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if (!BEncodeMaybeReadDictEntry("x", vanity, read, key, val))
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return false;
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return read;
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}
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bool
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ServiceInfo::BEncode(llarp_buffer_t* buf) const
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{
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if (!bencode_start_dict(buf))
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return false;
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if (!BEncodeWriteDictEntry("e", enckey, buf))
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return false;
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if (!BEncodeWriteDictEntry("s", signkey, buf))
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return false;
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if (!BEncodeWriteDictInt("v", llarp::constants::proto_version, buf))
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return false;
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if (!vanity.IsZero())
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{
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if (!BEncodeWriteDictEntry("x", vanity, buf))
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return false;
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}
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return bencode_end(buf);
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}
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std::string
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ServiceInfo::Name() const
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{
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if (m_CachedAddr.IsZero())
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{
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Address addr;
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CalculateAddress(addr.as_array());
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return addr.ToString();
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}
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return m_CachedAddr.ToString();
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}
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bool
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ServiceInfo::CalculateAddress(std::array<byte_t, 32>& data) const
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{
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data = signkey.as_array();
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return true;
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}
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bool
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ServiceInfo::UpdateAddr()
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{
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if (m_CachedAddr.IsZero())
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{
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return CalculateAddress(m_CachedAddr.as_array());
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}
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return true;
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}
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std::ostream&
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ServiceInfo::print(std::ostream& stream, int level, int spaces) const
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{
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Printer printer(stream, level, spaces);
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printer.printAttribute("e", enckey);
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printer.printAttribute("s", signkey);
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printer.printAttribute("v", version);
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printer.printAttribute("x", vanity);
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return stream;
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}
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std::string
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ServiceInfo::ToString() const
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{
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std::ostringstream o;
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print(o, -1, -1);
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return o.str();
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}
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} // namespace service
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} // namespace llarp
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