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104 lines
2.2 KiB
C++
104 lines
2.2 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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namespace llarp::service
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{
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bool
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ServiceInfo::verify(uint8_t* buf, size_t size, const Signature& sig) const
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{
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return crypto::verify(signkey, buf, size, 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::decode_key(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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void
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ServiceInfo::bt_decode(oxenc::bt_dict_consumer& btdc)
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{
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try
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{
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enckey.FromString(btdc.require<std::string>("e"));
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signkey.FromString(btdc.require<std::string>("s"));
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vanity.from_string(btdc.require<std::string>("x"));
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}
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catch (...)
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{
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log::critical(info_cat, "ServiceInfo failed to populate with bt encoded contents");
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}
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}
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void
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ServiceInfo::bt_encode(oxenc::bt_dict_producer& btdp) const
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{
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btdp.append("e", enckey.ToView());
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btdp.append("s", signkey.ToView());
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if (not vanity.IsZero())
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btdp.append("x", vanity.ToView());
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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::string
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ServiceInfo::ToString() const
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{
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return fmt::format("[ServiceInfo e={} s={} v={} x={}]", enckey, signkey, version, vanity);
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}
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} // namespace llarp::service
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