mirror of https://github.com/oxen-io/lokinet
initial dht key blinding
This commit is contained in:
parent
1543284f6b
commit
99eb7726ff
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@ -54,7 +54,7 @@ namespace llarp
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/// blake2b 256 bit
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virtual bool
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shorthash(ShortHash &, const llarp_buffer_t &) = 0;
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/// blake2s 256 bit hmac
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/// blake2s 256 bit "hmac" (keyed hash)
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virtual bool
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hmac(byte_t *, const llarp_buffer_t &, const SharedSecret &) = 0;
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/// ed25519 sign
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@ -63,6 +63,15 @@ namespace llarp
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/// ed25519 verify
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virtual bool
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verify(const PubKey &, const llarp_buffer_t &, const Signature &) = 0;
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/// derive sub keys for public keys
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virtual bool
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derive_subkey(PubKey &, const PubKey &, uint64_t) = 0;
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/// derive sub keys for secret keys
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virtual bool
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derive_subkey_secret(SecretKey &, const SecretKey &, uint64_t) = 0;
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/// seed to secretkey
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virtual bool
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seed_to_secretkey(llarp::SecretKey &, const llarp::IdentitySecret &) = 0;
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@ -3,8 +3,9 @@
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#include <sodium/crypto_sign.h>
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#include <sodium/crypto_scalarmult.h>
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#include <sodium/crypto_stream_xchacha20.h>
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#include <sodium/crypto_core_ed25519.h>
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#include <util/mem.hpp>
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#include <util/endian.hpp>
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#include <cassert>
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extern "C"
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@ -180,6 +181,51 @@ namespace llarp
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!= -1;
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}
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template < typename K >
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static bool
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make_scalar(byte_t *out, const K &k, uint64_t i)
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{
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// b = i || k
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std::array< byte_t, K::SIZE + sizeof(uint64_t) > buf;
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htole64buf(buf.data(), i);
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std::copy_n(k.begin(), K::SIZE, buf.begin() + sizeof(i));
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LongHash h;
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// n = H(b)
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if(not hash(h.data(), llarp_buffer_t(buf)))
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return false;
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// return make_point(n)
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return crypto_core_ed25519_from_hash(out, h.data()) != -1;
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}
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bool
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CryptoLibSodium::derive_subkey(PubKey &out_k, const PubKey &in_k,
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uint64_t key_n)
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{
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// scalar p
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AlignedBuffer< 32 > p;
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// p = H( i || in_k )
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if(not make_scalar(p.data(), in_k, key_n))
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return false;
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// out_k = in_k * p % N
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crypto_core_ed25519_scalar_mul(out_k.data(), in_k.data(), p.data());
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return true;
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}
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bool
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CryptoLibSodium::derive_subkey_secret(SecretKey &out_k,
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const SecretKey &in_k, uint64_t key_n)
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{
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// scalar p
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AlignedBuffer< 32 > p;
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// p = H( i || in_k.pub)
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if(not make_scalar(p.data(), in_k.toPublic(), key_n))
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return false;
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// out_k = in_n * p % N
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crypto_core_ed25519_scalar_mul(out_k.data(), in_k.data(), p.data());
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// recalculate out_K public component
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return out_k.Recalculate();
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}
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bool
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CryptoLibSodium::seed_to_secretkey(llarp::SecretKey &secret,
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const llarp::IdentitySecret &seed)
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@ -53,6 +53,14 @@ namespace llarp
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verify(const PubKey &, const llarp_buffer_t &,
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const Signature &) override;
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/// derive sub keys for public keys
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bool
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derive_subkey(PubKey &, const PubKey &, uint64_t) override;
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/// derive sub keys for secret keys
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bool
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derive_subkey_secret(SecretKey &, const SecretKey &, uint64_t) override;
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/// seed to secretkey
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bool
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seed_to_secretkey(llarp::SecretKey &,
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@ -7,6 +7,9 @@
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#include <iterator>
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#include <sodium/crypto_sign.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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bool
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@ -51,6 +54,15 @@ namespace llarp
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return BDecode(&buf);
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}
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bool
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SecretKey::Recalculate()
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{
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AlignedBuffer< 32 > seed;
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if(crypto_sign_ed25519_sk_to_seed(seed.data(), data()) == -1)
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return false;
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return crypto_sign_seed_keypair(data() + 32, data(), seed.data()) != -1;
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}
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bool
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SecretKey::SaveToFile(const char* fname) const
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{
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@ -94,25 +106,25 @@ namespace llarp
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}
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byte_t*
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Signature::R()
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Signature::Lo()
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{
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return data();
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}
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const byte_t*
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Signature::R() const
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Signature::Lo() const
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{
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return data();
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}
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byte_t*
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Signature::C()
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Signature::Hi()
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{
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return data() + 32;
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}
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const byte_t*
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Signature::C() const
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Signature::Hi() const
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{
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return data() + 32;
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}
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@ -86,6 +86,10 @@ namespace llarp
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{
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}
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/// recalculate public component
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bool
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Recalculate();
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std::ostream &
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print(std::ostream &stream, int level, int spaces) const
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{
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@ -145,16 +149,16 @@ namespace llarp
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struct Signature final : public AlignedBuffer< SIGSIZE >
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{
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byte_t *
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R();
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Hi();
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const byte_t *
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R() const;
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Hi() const;
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byte_t *
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C();
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Lo();
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const byte_t *
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C() const;
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Lo() const;
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};
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using TunnelNonce = AlignedBuffer< TUNNONCESIZE >;
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@ -49,15 +49,15 @@ namespace llarp
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/// key askpeer
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void
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LookupIntroSetRecursive(
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const service::Address& target, const Key_t& whoasked,
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uint64_t whoaskedTX, const Key_t& askpeer, uint64_t R,
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service::IntroSetLookupHandler result = nullptr) override;
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const Key_t& target, const Key_t& whoasked, uint64_t whoaskedTX,
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const Key_t& askpeer, uint64_t R,
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service::EncryptedIntroSetLookupHandler result = nullptr) override;
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void
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LookupIntroSetIterative(
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const service::Address& target, const Key_t& whoasked,
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uint64_t whoaskedTX, const Key_t& askpeer,
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service::IntroSetLookupHandler result = nullptr) override;
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const Key_t& target, const Key_t& whoasked, uint64_t whoaskedTX,
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const Key_t& askpeer,
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service::EncryptedIntroSetLookupHandler result = nullptr) override;
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/// on behalf of whoasked request router with public key target from dht
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/// router with key askpeer
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@ -84,19 +84,6 @@ namespace llarp
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return pendingRouterLookups().HasLookupFor(target);
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}
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/// on behalf of whoasked request introsets with tag from dht router with
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/// key askpeer with Recursion depth R
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void
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LookupTagRecursive(const service::Tag& tag, const Key_t& whoasked,
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uint64_t whoaskedTX, const Key_t& askpeer,
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uint64_t R) override;
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/// issue dht lookup for tag via askpeer and send reply to local path
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void
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LookupTagForPath(const service::Tag& tag, uint64_t txid,
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const llarp::PathID_t& path,
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const Key_t& askpeer) override;
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/// issue dht lookup for router via askpeer and send reply to local path
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void
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LookupRouterForPath(const RouterID& target, uint64_t txid,
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@ -105,7 +92,7 @@ namespace llarp
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/// issue dht lookup for introset for addr via askpeer and send reply to
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/// local path
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void
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LookupIntroSetForPath(const service::Address& addr, uint64_t txid,
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LookupIntroSetForPath(const Key_t& addr, uint64_t txid,
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const llarp::PathID_t& path, const Key_t& askpeer,
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uint64_t R) override;
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@ -121,11 +108,6 @@ namespace llarp
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const Key_t& requester, uint64_t txid, const RouterID& target,
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std::vector< std::unique_ptr< IMessage > >& reply) override;
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std::set< service::IntroSet >
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FindRandomIntroSetsWithTagExcluding(
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const service::Tag& tag, size_t max = 2,
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const std::set< service::IntroSet >& excludes = {}) override;
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/// handle rc lookup from requester for target
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void
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LookupRouterRelayed(
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/// send introset to peer from source with S counter and excluding peers
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void
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PropagateIntroSetTo(const Key_t& source, uint64_t sourceTX,
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const service::IntroSet& introset, const Key_t& peer,
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uint64_t S,
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const service::EncryptedIntroSet& introset,
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const Key_t& peer, uint64_t S,
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const std::set< Key_t >& exclude) override;
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/// initialize dht context and explore every exploreInterval milliseconds
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llarp_time_t exploreInterval) override;
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/// get localally stored introset by service address
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const llarp::service::IntroSet*
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GetIntroSetByServiceAddress(
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const llarp::service::Address& addr) const override;
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absl::optional< llarp::service::EncryptedIntroSet >
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GetIntroSetByLocation(const Key_t& location) const override;
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void
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handle_cleaner_timer(uint64_t interval);
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@ -233,7 +214,6 @@ namespace llarp
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FloodRCLater(const dht::Key_t from, const RouterContact rc) override;
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PendingIntrosetLookups _pendingIntrosetLookups;
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PendingTagLookups _pendingTagLookups;
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PendingRouterLookups _pendingRouterLookups;
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PendingExploreLookups _pendingExploreLookups;
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@ -259,18 +239,6 @@ namespace llarp
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return _pendingIntrosetLookups;
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}
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PendingTagLookups&
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pendingTagLookups() override
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{
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return _pendingTagLookups;
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}
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const PendingTagLookups&
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pendingTagLookups() const override
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{
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return _pendingTagLookups;
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}
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PendingRouterLookups&
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pendingRouterLookups() override
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{
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@ -416,7 +384,6 @@ namespace llarp
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{
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if(itr->second.introset.IsExpired(now))
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{
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llarp::LogDebug("introset expired ", itr->second.introset.A.Addr());
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itr = nodes.erase(itr);
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}
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else
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@ -426,53 +393,6 @@ namespace llarp
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ScheduleCleanupTimer();
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}
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std::set< service::IntroSet >
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Context::FindRandomIntroSetsWithTagExcluding(
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const service::Tag& tag, size_t max,
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const std::set< service::IntroSet >& exclude)
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{
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std::set< service::IntroSet > found;
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auto& nodes = _services->nodes;
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if(nodes.size() == 0)
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{
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return found;
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}
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auto itr = nodes.begin();
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// start at random middle point
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auto start = llarp::randint() % nodes.size();
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std::advance(itr, start);
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auto end = itr;
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std::string tagname = tag.ToString();
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while(itr != nodes.end())
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{
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if(itr->second.introset.topic.ToString() == tagname)
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{
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if(exclude.count(itr->second.introset) == 0)
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{
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found.insert(itr->second.introset);
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if(found.size() == max)
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return found;
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}
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}
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++itr;
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}
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itr = nodes.begin();
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while(itr != end)
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{
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if(itr->second.introset.topic.ToString() == tagname)
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{
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if(exclude.count(itr->second.introset) == 0)
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{
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found.insert(itr->second.introset);
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if(found.size() == max)
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return found;
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}
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}
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++itr;
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}
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return found;
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}
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void
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Context::LookupRouterRelayed(
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const Key_t& requester, uint64_t txid, const Key_t& target,
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@ -534,15 +454,13 @@ namespace llarp
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}
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}
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const llarp::service::IntroSet*
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Context::GetIntroSetByServiceAddress(
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const llarp::service::Address& addr) const
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absl::optional< llarp::service::EncryptedIntroSet >
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Context::GetIntroSetByLocation(const Key_t& key) const
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{
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auto key = addr.ToKey();
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auto itr = _services->nodes.find(key);
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if(itr == _services->nodes.end())
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return nullptr;
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return &itr->second.introset;
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return {};
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return itr->second.introset;
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}
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void
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@ -553,7 +471,6 @@ namespace llarp
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pendingRouterLookups().Expire(now);
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_pendingIntrosetLookups.Expire(now);
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pendingTagLookups().Expire(now);
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pendingExploreLookups().Expire(now);
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}
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@ -563,7 +480,6 @@ namespace llarp
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util::StatusObject obj{
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{"pendingRouterLookups", pendingRouterLookups().ExtractStatus()},
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{"pendingIntrosetLookups", _pendingIntrosetLookups.ExtractStatus()},
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{"pendingTagLookups", pendingTagLookups().ExtractStatus()},
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{"pendingExploreLookups", pendingExploreLookups().ExtractStatus()},
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{"nodes", _nodes->ExtractStatus()},
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{"services", _services->ExtractStatus()},
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@ -623,7 +539,7 @@ namespace llarp
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}
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void
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Context::LookupIntroSetForPath(const service::Address& addr, uint64_t txid,
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Context::LookupIntroSetForPath(const Key_t& addr, uint64_t txid,
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const llarp::PathID_t& path,
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const Key_t& askpeer, uint64_t R)
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{
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@ -637,23 +553,23 @@ namespace llarp
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void
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Context::PropagateIntroSetTo(const Key_t& from, uint64_t txid,
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const service::IntroSet& introset,
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const service::EncryptedIntroSet& introset,
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const Key_t& tellpeer, uint64_t S,
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const std::set< Key_t >& exclude)
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{
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TXOwner asker(from, txid);
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TXOwner peer(tellpeer, ++ids);
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service::Address addr = introset.A.Addr();
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const Key_t addr(introset.derivedSigningKey);
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_pendingIntrosetLookups.NewTX(
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peer, asker, addr,
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new PublishServiceJob(asker, introset, this, S, exclude));
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}
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void
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Context::LookupIntroSetRecursive(const service::Address& addr,
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const Key_t& whoasked, uint64_t txid,
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const Key_t& askpeer, uint64_t R,
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service::IntroSetLookupHandler handler)
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Context::LookupIntroSetRecursive(
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const Key_t& addr, const Key_t& whoasked, uint64_t txid,
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const Key_t& askpeer, uint64_t R,
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service::EncryptedIntroSetLookupHandler handler)
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{
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TXOwner asker(whoasked, txid);
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TXOwner peer(askpeer, ++ids);
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@ -674,10 +590,9 @@ namespace llarp
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}
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void
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Context::LookupIntroSetIterative(const service::Address& addr,
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const Key_t& whoasked, uint64_t txid,
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const Key_t& askpeer,
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service::IntroSetLookupHandler handler)
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Context::LookupIntroSetIterative(
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const Key_t& addr, const Key_t& whoasked, uint64_t txid,
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const Key_t& askpeer, service::EncryptedIntroSetLookupHandler handler)
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{
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TXOwner asker(whoasked, txid);
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TXOwner peer(askpeer, ++ids);
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@ -686,29 +601,6 @@ namespace llarp
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new ServiceAddressLookup(asker, addr, this, 0, handler), 1000);
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}
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void
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Context::LookupTagRecursive(const service::Tag& tag, const Key_t& whoasked,
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uint64_t whoaskedTX, const Key_t& askpeer,
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uint64_t R)
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{
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TXOwner asker(whoasked, whoaskedTX);
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TXOwner peer(askpeer, ++ids);
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_pendingTagLookups.NewTX(peer, asker, tag,
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new TagLookup(asker, tag, this, R));
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llarp::LogDebug("ask ", askpeer.SNode(), " for ", tag, " on behalf of ",
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whoasked.SNode(), " R=", R);
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}
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void
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Context::LookupTagForPath(const service::Tag& tag, uint64_t txid,
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const llarp::PathID_t& path, const Key_t& askpeer)
|
||||
{
|
||||
TXOwner peer(askpeer, ++ids);
|
||||
TXOwner whoasked(OurKey(), txid);
|
||||
_pendingTagLookups.NewTX(peer, whoasked, tag,
|
||||
new LocalTagLookup(path, txid, tag, this));
|
||||
}
|
||||
|
||||
bool
|
||||
Context::HandleExploritoryRouterLookup(
|
||||
const Key_t& requester, uint64_t txid, const RouterID& target,
|
||||
|
|
|
@ -26,10 +26,7 @@ namespace llarp
|
|||
struct AbstractContext
|
||||
{
|
||||
using PendingIntrosetLookups =
|
||||
TXHolder< service::Address, service::IntroSet,
|
||||
service::Address::Hash >;
|
||||
using PendingTagLookups =
|
||||
TXHolder< service::Tag, service::IntroSet, service::Tag::Hash >;
|
||||
TXHolder< Key_t, service::EncryptedIntroSet, Key_t::Hash >;
|
||||
using PendingRouterLookups =
|
||||
TXHolder< RouterID, RouterContact, RouterID::Hash >;
|
||||
using PendingExploreLookups =
|
||||
|
@ -48,46 +45,29 @@ namespace llarp
|
|||
/// on behalf of whoasked request introset for target from dht router with
|
||||
/// key askpeer
|
||||
virtual void
|
||||
LookupIntroSetRecursive(const service::Address& target,
|
||||
const Key_t& whoasked, uint64_t whoaskedTX,
|
||||
const Key_t& askpeer, uint64_t R,
|
||||
service::IntroSetLookupHandler result =
|
||||
service::IntroSetLookupHandler()) = 0;
|
||||
LookupIntroSetRecursive(
|
||||
const Key_t& target, const Key_t& whoasked, uint64_t whoaskedTX,
|
||||
const Key_t& askpeer, uint64_t R,
|
||||
service::EncryptedIntroSetLookupHandler result =
|
||||
service::EncryptedIntroSetLookupHandler()) = 0;
|
||||
|
||||
virtual void
|
||||
LookupIntroSetIterative(const service::Address& target,
|
||||
const Key_t& whoasked, uint64_t whoaskedTX,
|
||||
const Key_t& askpeer,
|
||||
service::IntroSetLookupHandler result =
|
||||
service::IntroSetLookupHandler()) = 0;
|
||||
|
||||
virtual std::set< service::IntroSet >
|
||||
FindRandomIntroSetsWithTagExcluding(
|
||||
const service::Tag& tag, size_t max = 2,
|
||||
const std::set< service::IntroSet >& excludes = {}) = 0;
|
||||
LookupIntroSetIterative(
|
||||
const Key_t& target, const Key_t& whoasked, uint64_t whoaskedTX,
|
||||
const Key_t& askpeer,
|
||||
service::EncryptedIntroSetLookupHandler result =
|
||||
service::EncryptedIntroSetLookupHandler()) = 0;
|
||||
|
||||
virtual bool
|
||||
HasRouterLookup(const RouterID& target) const = 0;
|
||||
|
||||
/// on behalf of whoasked request introsets with tag from dht router with
|
||||
/// key askpeer with Recursion depth R
|
||||
virtual void
|
||||
LookupTagRecursive(const service::Tag& tag, const Key_t& whoasked,
|
||||
uint64_t whoaskedTX, const Key_t& askpeer,
|
||||
uint64_t R) = 0;
|
||||
|
||||
/// issue dht lookup for tag via askpeer and send reply to local path
|
||||
virtual void
|
||||
LookupTagForPath(const service::Tag& tag, uint64_t txid,
|
||||
const PathID_t& path, const Key_t& askpeer) = 0;
|
||||
|
||||
/// issue dht lookup for router via askpeer and send reply to local path
|
||||
virtual void
|
||||
LookupRouterForPath(const RouterID& target, uint64_t txid,
|
||||
const PathID_t& path, const Key_t& askpeer) = 0;
|
||||
|
||||
virtual void
|
||||
LookupIntroSetForPath(const service::Address& addr, uint64_t txid,
|
||||
LookupIntroSetForPath(const Key_t& addr, uint64_t txid,
|
||||
const PathID_t& path, const Key_t& askpeer,
|
||||
uint64_t R) = 0;
|
||||
|
||||
|
@ -113,16 +93,16 @@ namespace llarp
|
|||
/// send introset to peer from source with S counter and excluding peers
|
||||
virtual void
|
||||
PropagateIntroSetTo(const Key_t& source, uint64_t sourceTX,
|
||||
const service::IntroSet& introset, const Key_t& peer,
|
||||
uint64_t S, const std::set< Key_t >& exclude) = 0;
|
||||
const service::EncryptedIntroSet& introset,
|
||||
const Key_t& peer, uint64_t S,
|
||||
const std::set< Key_t >& exclude) = 0;
|
||||
|
||||
virtual void
|
||||
Init(const Key_t& us, AbstractRouter* router,
|
||||
llarp_time_t exploreInterval) = 0;
|
||||
|
||||
virtual const llarp::service::IntroSet*
|
||||
GetIntroSetByServiceAddress(
|
||||
const llarp::service::Address& addr) const = 0;
|
||||
virtual absl::optional< llarp::service::EncryptedIntroSet >
|
||||
GetIntroSetByLocation(const Key_t& location) const = 0;
|
||||
|
||||
virtual llarp_time_t
|
||||
Now() const = 0;
|
||||
|
@ -145,12 +125,6 @@ namespace llarp
|
|||
virtual const PendingIntrosetLookups&
|
||||
pendingIntrosetLookups() const = 0;
|
||||
|
||||
virtual PendingTagLookups&
|
||||
pendingTagLookups() = 0;
|
||||
|
||||
virtual const PendingTagLookups&
|
||||
pendingTagLookups() const = 0;
|
||||
|
||||
virtual PendingRouterLookups&
|
||||
pendingRouterLookups() = 0;
|
||||
|
||||
|
|
|
@ -12,7 +12,7 @@ namespace llarp
|
|||
namespace dht
|
||||
{
|
||||
LocalServiceAddressLookup::LocalServiceAddressLookup(
|
||||
const PathID_t &pathid, uint64_t txid, const service::Address &addr,
|
||||
const PathID_t &pathid, uint64_t txid, const Key_t &addr,
|
||||
AbstractContext *ctx, __attribute__((unused)) const Key_t &askpeer)
|
||||
: ServiceAddressLookup(TXOwner{ctx->OurKey(), txid}, addr, ctx, 5,
|
||||
nullptr)
|
||||
|
@ -36,7 +36,7 @@ namespace llarp
|
|||
// pick newest if we have more than 1 result
|
||||
if(valuesFound.size())
|
||||
{
|
||||
service::IntroSet found;
|
||||
service::EncryptedIntroSet found;
|
||||
for(const auto &introset : valuesFound)
|
||||
{
|
||||
if(found.OtherIsNewer(introset))
|
||||
|
|
|
@ -14,8 +14,7 @@ namespace llarp
|
|||
PathID_t localPath;
|
||||
|
||||
LocalServiceAddressLookup(const PathID_t &pathid, uint64_t txid,
|
||||
const service::Address &addr,
|
||||
AbstractContext *ctx,
|
||||
const Key_t &addr, AbstractContext *ctx,
|
||||
__attribute__((unused)) const Key_t &askpeer);
|
||||
|
||||
void
|
||||
|
|
|
@ -24,7 +24,7 @@ namespace llarp
|
|||
if(!BEncodeMaybeReadDictInt("R", recursionDepth, read, k, val))
|
||||
return false;
|
||||
|
||||
if(!BEncodeMaybeReadDictEntry("S", serviceAddress, read, k, val))
|
||||
if(!BEncodeMaybeReadDictEntry("S", location, read, k, val))
|
||||
return false;
|
||||
|
||||
if(!BEncodeMaybeReadDictInt("T", txID, read, k, val))
|
||||
|
@ -52,7 +52,7 @@ namespace llarp
|
|||
if(!BEncodeWriteDictInt("R", recursionDepth, buf))
|
||||
return false;
|
||||
// service address
|
||||
if(!BEncodeWriteDictEntry("S", serviceAddress, buf))
|
||||
if(!BEncodeWriteDictEntry("S", location, buf))
|
||||
return false;
|
||||
}
|
||||
else
|
||||
|
@ -91,111 +91,58 @@ namespace llarp
|
|||
}
|
||||
Key_t peer;
|
||||
std::set< Key_t > exclude = {dht.OurKey(), From};
|
||||
if(tagName.Empty())
|
||||
if(not tagName.Empty())
|
||||
return false;
|
||||
|
||||
if(location.IsZero())
|
||||
{
|
||||
if(serviceAddress.IsZero())
|
||||
{
|
||||
// we dont got it
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
llarp::LogInfo("lookup ", serviceAddress.ToString());
|
||||
const auto introset = dht.GetIntroSetByServiceAddress(serviceAddress);
|
||||
if(introset)
|
||||
{
|
||||
replies.emplace_back(new GotIntroMessage({*introset}, txID));
|
||||
return true;
|
||||
}
|
||||
|
||||
const Key_t target = serviceAddress.ToKey();
|
||||
const Key_t us = dht.OurKey();
|
||||
|
||||
if(recursionDepth == 0)
|
||||
{
|
||||
// we don't have it
|
||||
|
||||
Key_t closer;
|
||||
// find closer peer
|
||||
if(!dht.Nodes()->FindClosest(target, closer))
|
||||
return false;
|
||||
replies.emplace_back(new GotIntroMessage(From, closer, txID));
|
||||
return true;
|
||||
}
|
||||
|
||||
// we are recursive
|
||||
const auto rc = dht.GetRouter()->nodedb()->FindClosestTo(target);
|
||||
|
||||
peer = Key_t(rc.pubkey);
|
||||
|
||||
if((us ^ target) < (peer ^ target) || peer == us)
|
||||
{
|
||||
// we are not closer than our peer to the target so don't
|
||||
// recurse farther
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
if(relayed)
|
||||
{
|
||||
dht.LookupIntroSetForPath(serviceAddress, txID, pathID, peer,
|
||||
recursionDepth - 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
dht.LookupIntroSetRecursive(serviceAddress, From, txID, peer,
|
||||
recursionDepth - 1);
|
||||
}
|
||||
// we dont got it
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
const auto maybe = dht.GetIntroSetByLocation(location);
|
||||
if(maybe.has_value())
|
||||
{
|
||||
replies.emplace_back(new GotIntroMessage({maybe.value()}, txID));
|
||||
return true;
|
||||
}
|
||||
|
||||
const Key_t us = dht.OurKey();
|
||||
|
||||
if(recursionDepth == 0)
|
||||
{
|
||||
// we don't have it
|
||||
|
||||
Key_t closer;
|
||||
// find closer peer
|
||||
if(!dht.Nodes()->FindClosest(location, closer))
|
||||
return false;
|
||||
replies.emplace_back(new GotIntroMessage(From, closer, txID));
|
||||
return true;
|
||||
}
|
||||
|
||||
// we are recursive
|
||||
const auto rc = dht.GetRouter()->nodedb()->FindClosestTo(location);
|
||||
|
||||
peer = Key_t(rc.pubkey);
|
||||
|
||||
if((us ^ location) < (peer ^ location) || peer == us)
|
||||
{
|
||||
// we are not closer than our peer to the target so don't
|
||||
// recurse farther
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
if(relayed)
|
||||
{
|
||||
// tag lookup
|
||||
if(dht.Nodes()->GetRandomNodeExcluding(peer, exclude))
|
||||
{
|
||||
dht.LookupTagForPath(tagName, txID, pathID, peer);
|
||||
}
|
||||
else
|
||||
{
|
||||
// no more closer peers
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
dht.LookupIntroSetForPath(location, txID, pathID, peer,
|
||||
recursionDepth - 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
if(recursionDepth == 0)
|
||||
{
|
||||
// base case
|
||||
auto introsets =
|
||||
dht.FindRandomIntroSetsWithTagExcluding(tagName, 2, {});
|
||||
std::vector< service::IntroSet > reply;
|
||||
for(const auto& introset : introsets)
|
||||
{
|
||||
reply.emplace_back(introset);
|
||||
}
|
||||
replies.emplace_back(new GotIntroMessage(reply, txID));
|
||||
return true;
|
||||
}
|
||||
if(recursionDepth < MaxRecursionDepth)
|
||||
{
|
||||
// tag lookup
|
||||
if(dht.Nodes()->GetRandomNodeExcluding(peer, exclude))
|
||||
{
|
||||
dht.LookupTagRecursive(tagName, From, txID, peer,
|
||||
recursionDepth - 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
// too big recursion depth
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
}
|
||||
dht.LookupIntroSetRecursive(location, From, txID, peer,
|
||||
recursionDepth - 1);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
} // namespace dht
|
||||
|
|
|
@ -14,7 +14,7 @@ namespace llarp
|
|||
{
|
||||
static const uint64_t MaxRecursionDepth;
|
||||
uint64_t recursionDepth = 0;
|
||||
llarp::service::Address serviceAddress;
|
||||
Key_t location;
|
||||
llarp::service::Tag tagName;
|
||||
uint64_t txID = 0;
|
||||
bool relayed = false;
|
||||
|
@ -28,19 +28,17 @@ namespace llarp
|
|||
bool iterate = true)
|
||||
: IMessage({}), tagName(tag), txID(txid)
|
||||
{
|
||||
serviceAddress.Zero();
|
||||
if(iterate)
|
||||
recursionDepth = 0;
|
||||
else
|
||||
recursionDepth = 1;
|
||||
}
|
||||
|
||||
explicit FindIntroMessage(uint64_t txid,
|
||||
const llarp::service::Address& addr,
|
||||
explicit FindIntroMessage(uint64_t txid, const Key_t& addr,
|
||||
uint64_t maxRecursionDepth)
|
||||
: IMessage({})
|
||||
, recursionDepth(maxRecursionDepth)
|
||||
, serviceAddress(addr)
|
||||
, location(addr)
|
||||
, txID(txid)
|
||||
{
|
||||
tagName.Zero();
|
||||
|
|
|
@ -11,8 +11,8 @@ namespace llarp
|
|||
{
|
||||
namespace dht
|
||||
{
|
||||
GotIntroMessage::GotIntroMessage(std::vector< service::IntroSet > results,
|
||||
uint64_t tx)
|
||||
GotIntroMessage::GotIntroMessage(
|
||||
std::vector< service::EncryptedIntroSet > results, uint64_t tx)
|
||||
: IMessage({}), found(std::move(results)), txid(tx)
|
||||
{
|
||||
}
|
||||
|
@ -37,12 +37,7 @@ namespace llarp
|
|||
}
|
||||
}
|
||||
TXOwner owner(From, txid);
|
||||
auto tagLookup = dht.pendingTagLookups().GetPendingLookupFrom(owner);
|
||||
if(tagLookup)
|
||||
{
|
||||
dht.pendingTagLookups().Found(owner, tagLookup->target, found);
|
||||
return true;
|
||||
}
|
||||
|
||||
auto serviceLookup =
|
||||
dht.pendingIntrosetLookups().GetPendingLookupFrom(owner);
|
||||
if(serviceLookup)
|
||||
|
|
|
@ -16,7 +16,7 @@ namespace llarp
|
|||
struct GotIntroMessage : public IMessage
|
||||
{
|
||||
/// the found introsets
|
||||
std::vector< service::IntroSet > found;
|
||||
std::vector< service::EncryptedIntroSet > found;
|
||||
/// txid
|
||||
uint64_t txid = 0;
|
||||
/// the key of a router closer in keyspace if iterative lookup
|
||||
|
@ -42,7 +42,8 @@ namespace llarp
|
|||
}
|
||||
|
||||
/// for recursive reply
|
||||
GotIntroMessage(std::vector< service::IntroSet > results, uint64_t txid);
|
||||
GotIntroMessage(std::vector< service::EncryptedIntroSet > results,
|
||||
uint64_t txid);
|
||||
|
||||
~GotIntroMessage() override = default;
|
||||
|
||||
|
|
|
@ -55,20 +55,7 @@ namespace llarp
|
|||
return true;
|
||||
}
|
||||
|
||||
if(introset.W && !introset.W->IsValid(now))
|
||||
{
|
||||
llarp::LogWarn("proof of work not good enough for IntroSet");
|
||||
// don't propogate or store
|
||||
replies.emplace_back(new GotIntroMessage({}, txID));
|
||||
return true;
|
||||
}
|
||||
llarp::dht::Key_t addr;
|
||||
if(not introset.A.CalculateAddress(addr.as_array()))
|
||||
{
|
||||
llarp::LogWarn(
|
||||
"failed to calculate hidden service address for PubIntro message");
|
||||
return false;
|
||||
}
|
||||
const llarp::dht::Key_t addr(introset.derivedSigningKey);
|
||||
|
||||
now += llarp::service::MAX_INTROSET_TIME_DELTA;
|
||||
if(introset.IsExpired(now))
|
||||
|
|
|
@ -13,7 +13,7 @@ namespace llarp
|
|||
struct PublishIntroMessage final : public IMessage
|
||||
{
|
||||
static const uint64_t MaxPropagationDepth;
|
||||
llarp::service::IntroSet introset;
|
||||
llarp::service::EncryptedIntroSet introset;
|
||||
std::vector< Key_t > exclude;
|
||||
uint64_t depth = 0;
|
||||
uint64_t txID = 0;
|
||||
|
@ -21,8 +21,9 @@ namespace llarp
|
|||
{
|
||||
}
|
||||
|
||||
PublishIntroMessage(const llarp::service::IntroSet& i, uint64_t tx,
|
||||
uint64_t s, std::vector< Key_t > _exclude = {})
|
||||
PublishIntroMessage(const llarp::service::EncryptedIntroSet& i,
|
||||
uint64_t tx, uint64_t s,
|
||||
std::vector< Key_t > _exclude = {})
|
||||
: IMessage({})
|
||||
, introset(i)
|
||||
, exclude(std::move(_exclude))
|
||||
|
|
|
@ -39,7 +39,7 @@ namespace llarp
|
|||
|
||||
struct ISNode
|
||||
{
|
||||
service::IntroSet introset;
|
||||
service::EncryptedIntroSet introset;
|
||||
|
||||
Key_t ID;
|
||||
|
||||
|
@ -48,9 +48,9 @@ namespace llarp
|
|||
ID.Zero();
|
||||
}
|
||||
|
||||
ISNode(service::IntroSet other) : introset(std::move(other))
|
||||
ISNode(service::EncryptedIntroSet other) : introset(std::move(other))
|
||||
{
|
||||
introset.A.CalculateAddress(ID.as_array());
|
||||
ID = Key_t(introset.derivedSigningKey.as_array());
|
||||
}
|
||||
|
||||
util::StatusObject
|
||||
|
@ -62,7 +62,7 @@ namespace llarp
|
|||
bool
|
||||
operator<(const ISNode& other) const
|
||||
{
|
||||
return introset.T < other.introset.T;
|
||||
return introset.signedAt < other.introset.signedAt;
|
||||
}
|
||||
};
|
||||
} // namespace dht
|
||||
|
|
|
@ -9,27 +9,28 @@ namespace llarp
|
|||
namespace dht
|
||||
{
|
||||
PublishServiceJob::PublishServiceJob(const TXOwner &asker,
|
||||
const service::IntroSet &introset,
|
||||
const service::EncryptedIntroSet &I,
|
||||
AbstractContext *ctx, uint64_t s,
|
||||
std::set< Key_t > exclude)
|
||||
: TX< service::Address, service::IntroSet >(asker, introset.A.Addr(),
|
||||
ctx)
|
||||
: TX< Key_t, service::EncryptedIntroSet >(
|
||||
asker, Key_t{I.derivedSigningKey}, ctx)
|
||||
, S(s)
|
||||
, dontTell(std::move(exclude))
|
||||
, I(introset)
|
||||
, introset(I)
|
||||
{
|
||||
}
|
||||
|
||||
bool
|
||||
PublishServiceJob::Validate(const service::IntroSet &introset) const
|
||||
PublishServiceJob::Validate(const service::EncryptedIntroSet &value) const
|
||||
{
|
||||
if(I.A != introset.A)
|
||||
if(value.derivedSigningKey != introset.derivedSigningKey)
|
||||
{
|
||||
llarp::LogWarn(
|
||||
"publish introset acknowledgement acked a different service");
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
const llarp_time_t now = llarp::time_now_ms();
|
||||
return value.Verify(now);
|
||||
}
|
||||
|
||||
void
|
||||
|
@ -40,8 +41,9 @@ namespace llarp
|
|||
{
|
||||
exclude.push_back(router);
|
||||
}
|
||||
parent->DHTSendTo(peer.node.as_array(),
|
||||
new PublishIntroMessage(I, peer.txid, S, exclude));
|
||||
parent->DHTSendTo(
|
||||
peer.node.as_array(),
|
||||
new PublishIntroMessage(introset, peer.txid, S, exclude));
|
||||
}
|
||||
} // namespace dht
|
||||
} // namespace llarp
|
||||
|
|
|
@ -12,18 +12,19 @@ namespace llarp
|
|||
{
|
||||
namespace dht
|
||||
{
|
||||
struct PublishServiceJob : public TX< service::Address, service::IntroSet >
|
||||
struct PublishServiceJob : public TX< Key_t, service::EncryptedIntroSet >
|
||||
{
|
||||
uint64_t S;
|
||||
std::set< Key_t > dontTell;
|
||||
service::IntroSet I;
|
||||
service::EncryptedIntroSet introset;
|
||||
|
||||
PublishServiceJob(const TXOwner &asker, const service::IntroSet &introset,
|
||||
PublishServiceJob(const TXOwner &asker,
|
||||
const service::EncryptedIntroSet &introset,
|
||||
AbstractContext *ctx, uint64_t s,
|
||||
std::set< Key_t > exclude);
|
||||
|
||||
bool
|
||||
Validate(const service::IntroSet &introset) const override;
|
||||
Validate(const service::EncryptedIntroSet &introset) const override;
|
||||
|
||||
void
|
||||
Start(const TXOwner &peer) override;
|
||||
|
|
|
@ -10,10 +10,9 @@ namespace llarp
|
|||
namespace dht
|
||||
{
|
||||
ServiceAddressLookup::ServiceAddressLookup(
|
||||
const TXOwner &asker, const service::Address &addr,
|
||||
AbstractContext *ctx, uint64_t r,
|
||||
service::IntroSetLookupHandler handler)
|
||||
: TX< service::Address, service::IntroSet >(asker, addr, ctx)
|
||||
const TXOwner &asker, const Key_t &addr, AbstractContext *ctx,
|
||||
uint64_t r, service::EncryptedIntroSetLookupHandler handler)
|
||||
: TX< Key_t, service::EncryptedIntroSet >(asker, addr, ctx)
|
||||
, handleResult(std::move(handler))
|
||||
, R(r)
|
||||
{
|
||||
|
@ -21,14 +20,15 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
ServiceAddressLookup::Validate(const service::IntroSet &value) const
|
||||
ServiceAddressLookup::Validate(
|
||||
const service::EncryptedIntroSet &value) const
|
||||
{
|
||||
if(!value.Verify(parent->Now()))
|
||||
{
|
||||
llarp::LogWarn("Got invalid introset from service lookup");
|
||||
return false;
|
||||
}
|
||||
if(value.A.Addr() != target)
|
||||
if(value.derivedSigningKey != target)
|
||||
{
|
||||
llarp::LogWarn("got introset with wrong target from service lookup");
|
||||
return false;
|
||||
|
@ -40,11 +40,10 @@ namespace llarp
|
|||
ServiceAddressLookup::GetNextPeer(Key_t &next,
|
||||
const std::set< Key_t > &exclude)
|
||||
{
|
||||
Key_t k = target.ToKey();
|
||||
const auto &nodes = parent->Nodes();
|
||||
if(nodes)
|
||||
{
|
||||
return nodes->FindCloseExcluding(k, next, exclude);
|
||||
return nodes->FindCloseExcluding(target, next, exclude);
|
||||
}
|
||||
|
||||
return false;
|
||||
|
@ -78,7 +77,7 @@ namespace llarp
|
|||
// get newest introset
|
||||
if(valuesFound.size())
|
||||
{
|
||||
llarp::service::IntroSet found;
|
||||
llarp::service::EncryptedIntroSet found;
|
||||
for(const auto &introset : valuesFound)
|
||||
{
|
||||
if(found.OtherIsNewer(introset))
|
||||
|
|
|
@ -12,18 +12,17 @@ namespace llarp
|
|||
{
|
||||
struct TXOwner;
|
||||
|
||||
struct ServiceAddressLookup
|
||||
: public TX< service::Address, service::IntroSet >
|
||||
struct ServiceAddressLookup : public TX< Key_t, service::EncryptedIntroSet >
|
||||
{
|
||||
service::IntroSetLookupHandler handleResult;
|
||||
service::EncryptedIntroSetLookupHandler handleResult;
|
||||
uint64_t R;
|
||||
|
||||
ServiceAddressLookup(const TXOwner &asker, const service::Address &addr,
|
||||
ServiceAddressLookup(const TXOwner &asker, const Key_t &addr,
|
||||
AbstractContext *ctx, uint64_t r,
|
||||
service::IntroSetLookupHandler handler);
|
||||
service::EncryptedIntroSetLookupHandler handler);
|
||||
|
||||
bool
|
||||
Validate(const service::IntroSet &value) const override;
|
||||
Validate(const service::EncryptedIntroSet &value) const override;
|
||||
|
||||
bool
|
||||
GetNextPeer(Key_t &next, const std::set< Key_t > &exclude) override;
|
||||
|
|
|
@ -8,14 +8,16 @@ namespace llarp
|
|||
namespace dht
|
||||
{
|
||||
bool
|
||||
TagLookup::Validate(const service::IntroSet &introset) const
|
||||
TagLookup::Validate(const service::EncryptedIntroSet &introset) const
|
||||
{
|
||||
if(!introset.Verify(parent->Now()))
|
||||
{
|
||||
llarp::LogWarn("got invalid introset from tag lookup");
|
||||
return false;
|
||||
}
|
||||
if(introset.topic != target)
|
||||
if(not introset.topic.has_value())
|
||||
return false;
|
||||
if(introset.topic.value() != target)
|
||||
{
|
||||
llarp::LogWarn("got introset with missmatched topic in tag lookup");
|
||||
return false;
|
||||
|
@ -33,20 +35,8 @@ namespace llarp
|
|||
void
|
||||
TagLookup::SendReply()
|
||||
{
|
||||
std::set< service::IntroSet > found(valuesFound.begin(),
|
||||
valuesFound.end());
|
||||
|
||||
// collect our local values if we haven't hit a limit
|
||||
if(found.size() < 2)
|
||||
{
|
||||
auto tags =
|
||||
parent->FindRandomIntroSetsWithTagExcluding(target, 1, found);
|
||||
std::copy(tags.begin(), tags.end(), std::inserter(found, found.end()));
|
||||
}
|
||||
std::vector< service::IntroSet > values(found.begin(), found.end());
|
||||
|
||||
parent->DHTSendTo(whoasked.node.as_array(),
|
||||
new GotIntroMessage(values, whoasked.txid));
|
||||
new GotIntroMessage({}, whoasked.txid));
|
||||
}
|
||||
} // namespace dht
|
||||
} // namespace llarp
|
||||
|
|
|
@ -9,17 +9,18 @@ namespace llarp
|
|||
{
|
||||
namespace dht
|
||||
{
|
||||
struct TagLookup : public TX< service::Tag, service::IntroSet >
|
||||
struct TagLookup : public TX< service::Tag, service::EncryptedIntroSet >
|
||||
{
|
||||
uint64_t R;
|
||||
TagLookup(const TXOwner &asker, const service::Tag &tag,
|
||||
AbstractContext *ctx, uint64_t r)
|
||||
: TX< service::Tag, service::IntroSet >(asker, tag, ctx), R(r)
|
||||
: TX< service::Tag, service::EncryptedIntroSet >(asker, tag, ctx)
|
||||
, R(r)
|
||||
{
|
||||
}
|
||||
|
||||
bool
|
||||
Validate(const service::IntroSet &introset) const override;
|
||||
Validate(const service::EncryptedIntroSet &introset) const override;
|
||||
|
||||
void
|
||||
Start(const TXOwner &peer) override;
|
||||
|
|
|
@ -247,7 +247,7 @@ namespace llarp
|
|||
GetCurrentIntroductions(std::set< service::Introduction >& intros) const;
|
||||
|
||||
virtual bool
|
||||
PublishIntroSet(__attribute__((unused)) AbstractRouter* r)
|
||||
PublishIntroSet(const service::EncryptedIntroSet&, AbstractRouter*)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
|
|
@ -1,5 +1,5 @@
|
|||
#include <service/address.hpp>
|
||||
|
||||
#include <crypto/crypto.hpp>
|
||||
#include <algorithm>
|
||||
|
||||
namespace llarp
|
||||
|
@ -60,5 +60,14 @@ namespace llarp
|
|||
// make sure it's lowercase
|
||||
return Base32Decode(lowercase(sub, true), *this);
|
||||
}
|
||||
|
||||
dht::Key_t
|
||||
Address::ToKey() const
|
||||
{
|
||||
PubKey k;
|
||||
CryptoManager::instance()->derive_subkey(k, PubKey(data()), 1);
|
||||
return dht::Key_t{k.as_array()};
|
||||
}
|
||||
|
||||
} // namespace service
|
||||
} // namespace llarp
|
||||
|
|
|
@ -14,7 +14,7 @@ namespace llarp
|
|||
{
|
||||
namespace service
|
||||
{
|
||||
/// Snapp/Snode Address
|
||||
/// Snapp Address
|
||||
struct Address : public AlignedBuffer< 32 >
|
||||
{
|
||||
/// if parsed using FromString this contains the subdomain
|
||||
|
@ -35,21 +35,21 @@ namespace llarp
|
|||
bool
|
||||
FromString(const std::string& str, const char* tld = ".loki");
|
||||
|
||||
Address() : AlignedBuffer< SIZE >()
|
||||
Address() : AlignedBuffer< 32 >()
|
||||
{
|
||||
}
|
||||
|
||||
explicit Address(const Data& buf) : AlignedBuffer< SIZE >(buf)
|
||||
explicit Address(const Data& buf) : AlignedBuffer< 32 >(buf)
|
||||
{
|
||||
}
|
||||
|
||||
Address(const Address& other)
|
||||
: AlignedBuffer< SIZE >(other.as_array()), subdomain(other.subdomain)
|
||||
: AlignedBuffer< 32 >(other.as_array()), subdomain(other.subdomain)
|
||||
{
|
||||
}
|
||||
|
||||
explicit Address(const AlignedBuffer< SIZE >& other)
|
||||
: AlignedBuffer< SIZE >(other)
|
||||
explicit Address(const AlignedBuffer< 32 >& other)
|
||||
: AlignedBuffer< 32 >(other)
|
||||
{
|
||||
}
|
||||
|
||||
|
@ -81,10 +81,7 @@ namespace llarp
|
|||
operator=(const Address& other) = default;
|
||||
|
||||
dht::Key_t
|
||||
ToKey() const
|
||||
{
|
||||
return dht::Key_t(as_array());
|
||||
}
|
||||
ToKey() const;
|
||||
|
||||
RouterID
|
||||
ToRouter() const
|
||||
|
|
|
@ -99,12 +99,13 @@ namespace llarp
|
|||
return;
|
||||
}
|
||||
introSet().topic = m_state->m_Tag;
|
||||
if(!m_Identity.SignIntroSet(introSet(), now))
|
||||
auto maybe = m_Identity.EncryptAndSignIntroSet(introSet(), now);
|
||||
if(not maybe.has_value())
|
||||
{
|
||||
LogWarn("failed to sign introset for endpoint ", Name());
|
||||
LogWarn("failed to generate introset for endpoint ", Name());
|
||||
return;
|
||||
}
|
||||
if(PublishIntroSet(Router()))
|
||||
if(PublishIntroSet(maybe.value(), Router()))
|
||||
{
|
||||
LogInfo("(re)publishing introset for endpoint ", Name());
|
||||
}
|
||||
|
@ -204,48 +205,6 @@ namespace llarp
|
|||
}
|
||||
}
|
||||
}
|
||||
#ifdef TESTNET
|
||||
// prefetch tags
|
||||
for(const auto& tag : m_state->m_PrefetchTags)
|
||||
{
|
||||
auto itr = m_state->m_PrefetchedTags.find(tag);
|
||||
if(itr == m_state->m_PrefetchedTags.end())
|
||||
{
|
||||
itr =
|
||||
m_state->m_PrefetchedTags.emplace(tag, CachedTagResult(tag, this))
|
||||
.first;
|
||||
}
|
||||
for(const auto& introset : itr->second.result)
|
||||
{
|
||||
if(HasPendingPathToService(introset.A.Addr()))
|
||||
continue;
|
||||
std::array< byte_t, 128 > tmp = {0};
|
||||
llarp_buffer_t buf(tmp);
|
||||
if(SendToServiceOrQueue(introset.A.Addr(), buf, eProtocolControl))
|
||||
LogInfo(Name(), " send message to ", introset.A.Addr(), " for tag ",
|
||||
tag.ToString());
|
||||
else
|
||||
|
||||
LogWarn(Name(), " failed to send/queue data to ", introset.A.Addr(),
|
||||
" for tag ", tag.ToString());
|
||||
}
|
||||
itr->second.Expire(now);
|
||||
if(itr->second.ShouldRefresh(now))
|
||||
{
|
||||
auto path = PickRandomEstablishedPath();
|
||||
if(path)
|
||||
{
|
||||
auto job = new TagLookupJob(this, &itr->second);
|
||||
if(!job->SendRequestViaPath(path, Router()))
|
||||
LogError(Name(), " failed to send tag lookup");
|
||||
}
|
||||
else
|
||||
{
|
||||
LogError(Name(), " has no paths for tag lookup");
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
// deregister dead sessions
|
||||
EndpointUtil::DeregisterDeadSessions(now, m_state->m_DeadSessions);
|
||||
|
@ -294,17 +253,16 @@ namespace llarp
|
|||
bool
|
||||
Endpoint::HandleGotIntroMessage(dht::GotIntroMessage_constptr msg)
|
||||
{
|
||||
std::set< IntroSet > remote;
|
||||
std::set< EncryptedIntroSet > remote;
|
||||
auto currentPub = m_state->m_CurrentPublishTX;
|
||||
for(const auto& introset : msg->found)
|
||||
{
|
||||
if(!introset.Verify(Now()))
|
||||
if(not introset.Verify(Now()))
|
||||
{
|
||||
if(m_Identity.pub == introset.A && currentPub == msg->txid)
|
||||
IntroSetPublishFail();
|
||||
return true;
|
||||
LogError(Name(), " got invalid introset");
|
||||
return false;
|
||||
}
|
||||
if(m_Identity.pub == introset.A && currentPub == msg->txid)
|
||||
if(currentPub == msg->txid)
|
||||
{
|
||||
LogInfo(
|
||||
"got introset publish confirmation for hidden service endpoint ",
|
||||
|
@ -312,7 +270,6 @@ namespace llarp
|
|||
IntroSetPublished();
|
||||
return true;
|
||||
}
|
||||
|
||||
remote.insert(introset);
|
||||
}
|
||||
auto& lookups = m_state->m_PendingLookups;
|
||||
|
@ -501,19 +458,19 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
Endpoint::PublishIntroSet(AbstractRouter* r)
|
||||
Endpoint::PublishIntroSet(const EncryptedIntroSet& i, AbstractRouter* r)
|
||||
{
|
||||
// publish via near router
|
||||
RouterID location = m_Identity.pub.Addr().as_array();
|
||||
auto path = GetEstablishedPathClosestTo(location);
|
||||
return path && PublishIntroSetVia(r, path);
|
||||
const auto path = GetEstablishedPathClosestTo(i.derivedSigningKey);
|
||||
return path && PublishIntroSetVia(i, r, path);
|
||||
}
|
||||
|
||||
struct PublishIntroSetJob : public IServiceLookup
|
||||
{
|
||||
IntroSet m_IntroSet;
|
||||
EncryptedIntroSet m_IntroSet;
|
||||
Endpoint* m_Endpoint;
|
||||
PublishIntroSetJob(Endpoint* parent, uint64_t id, IntroSet introset)
|
||||
PublishIntroSetJob(Endpoint* parent, uint64_t id,
|
||||
EncryptedIntroSet introset)
|
||||
: IServiceLookup(parent, id, "PublishIntroSet")
|
||||
, m_IntroSet(std::move(introset))
|
||||
, m_Endpoint(parent)
|
||||
|
@ -530,9 +487,9 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
HandleResponse(const std::set< IntroSet >& response) override
|
||||
HandleResponse(const std::set< EncryptedIntroSet >& response) override
|
||||
{
|
||||
if(response.size())
|
||||
if(not response.empty())
|
||||
m_Endpoint->IntroSetPublished();
|
||||
else
|
||||
m_Endpoint->IntroSetPublishFail();
|
||||
|
@ -557,9 +514,10 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
Endpoint::PublishIntroSetVia(AbstractRouter* r, path::Path_ptr path)
|
||||
Endpoint::PublishIntroSetVia(const EncryptedIntroSet& i, AbstractRouter* r,
|
||||
path::Path_ptr path)
|
||||
{
|
||||
auto job = new PublishIntroSetJob(this, GenTXID(), introSet());
|
||||
auto job = new PublishIntroSetJob(this, GenTXID(), i);
|
||||
if(job->SendRequestViaPath(path, r))
|
||||
{
|
||||
m_state->m_LastPublishAttempt = Now();
|
||||
|
@ -952,13 +910,14 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
Endpoint::OnLookup(const Address& addr, const IntroSet* introset,
|
||||
Endpoint::OnLookup(const Address& addr,
|
||||
absl::optional< const IntroSet > introset,
|
||||
const RouterID& endpoint)
|
||||
{
|
||||
const auto now = Router()->Now();
|
||||
auto& fails = m_state->m_ServiceLookupFails;
|
||||
auto& lookups = m_state->m_PendingServiceLookups;
|
||||
if(introset == nullptr || introset->IsExpired(now))
|
||||
if(not introset.has_value() || introset->IsExpired(now))
|
||||
{
|
||||
LogError(Name(), " failed to lookup ", addr.ToString(), " from ",
|
||||
endpoint);
|
||||
|
@ -973,8 +932,7 @@ namespace llarp
|
|||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
PutNewOutboundContext(*introset);
|
||||
PutNewOutboundContext(introset.value());
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -983,11 +941,12 @@ namespace llarp
|
|||
ABSL_ATTRIBUTE_UNUSED llarp_time_t timeoutMS,
|
||||
bool randomPath)
|
||||
{
|
||||
path::Path_ptr path = nullptr;
|
||||
const dht::Key_t location = remote.ToKey();
|
||||
path::Path_ptr path = nullptr;
|
||||
if(randomPath)
|
||||
path = PickRandomEstablishedPath();
|
||||
else
|
||||
path = GetEstablishedPathClosestTo(remote.ToRouter());
|
||||
path = GetEstablishedPathClosestTo(location.as_array());
|
||||
if(!path)
|
||||
{
|
||||
LogWarn("No outbound path for lookup yet");
|
||||
|
@ -1017,7 +976,8 @@ namespace llarp
|
|||
|
||||
using namespace std::placeholders;
|
||||
HiddenServiceAddressLookup* job = new HiddenServiceAddressLookup(
|
||||
this, util::memFn(&Endpoint::OnLookup, this), remote, GenTXID());
|
||||
this, util::memFn(&Endpoint::OnLookup, this), location,
|
||||
PubKey{remote.as_array()}, GenTXID());
|
||||
LogInfo("doing lookup for ", remote, " via ", path->Endpoint());
|
||||
if(job->SendRequestViaPath(path, Router()))
|
||||
{
|
||||
|
|
|
@ -168,10 +168,11 @@ namespace llarp
|
|||
HandlePathDied(path::Path_ptr p) override;
|
||||
|
||||
bool
|
||||
PublishIntroSet(AbstractRouter* r) override;
|
||||
PublishIntroSet(const EncryptedIntroSet& i, AbstractRouter* r) override;
|
||||
|
||||
bool
|
||||
PublishIntroSetVia(AbstractRouter* r, path::Path_ptr p);
|
||||
PublishIntroSetVia(const EncryptedIntroSet& i, AbstractRouter* r,
|
||||
path::Path_ptr p);
|
||||
|
||||
bool
|
||||
HandleGotIntroMessage(
|
||||
|
@ -410,7 +411,7 @@ namespace llarp
|
|||
llarp_async_verify_rc* j);
|
||||
|
||||
bool
|
||||
OnLookup(const service::Address& addr, const IntroSet* i,
|
||||
OnLookup(const service::Address& addr, absl::optional< const IntroSet > i,
|
||||
const RouterID& endpoint); /* */
|
||||
|
||||
bool
|
||||
|
|
|
@ -10,28 +10,36 @@ namespace llarp
|
|||
{
|
||||
HiddenServiceAddressLookup::HiddenServiceAddressLookup(Endpoint* p,
|
||||
HandlerFunc h,
|
||||
const Address& addr,
|
||||
const dht::Key_t& l,
|
||||
const PubKey& k,
|
||||
uint64_t tx)
|
||||
: IServiceLookup(p, tx, "HSLookup"), remote(addr), handle(std::move(h))
|
||||
: IServiceLookup(p, tx, "HSLookup")
|
||||
, rootkey(k)
|
||||
, location(l)
|
||||
, handle(std::move(h))
|
||||
{
|
||||
}
|
||||
|
||||
bool
|
||||
HiddenServiceAddressLookup::HandleResponse(
|
||||
const std::set< IntroSet >& results)
|
||||
const std::set< EncryptedIntroSet >& results)
|
||||
{
|
||||
absl::optional< IntroSet > found;
|
||||
const Address remote(rootkey);
|
||||
LogInfo("found ", results.size(), " for ", remote.ToString());
|
||||
if(results.size() > 0)
|
||||
{
|
||||
IntroSet selected;
|
||||
EncryptedIntroSet selected;
|
||||
for(const auto& introset : results)
|
||||
{
|
||||
if(selected.OtherIsNewer(introset) && introset.A.Addr() == remote)
|
||||
if(selected.OtherIsNewer(introset))
|
||||
selected = introset;
|
||||
}
|
||||
return handle(remote, &selected, endpoint);
|
||||
const auto maybe = selected.MaybeDecrypt(rootkey);
|
||||
if(maybe.has_value())
|
||||
found = maybe.value();
|
||||
}
|
||||
return handle(remote, nullptr, endpoint);
|
||||
return handle(remote, found, endpoint);
|
||||
}
|
||||
|
||||
std::shared_ptr< routing::IMessage >
|
||||
|
@ -39,7 +47,7 @@ namespace llarp
|
|||
{
|
||||
auto msg = std::make_shared< routing::DHTMessage >();
|
||||
msg->M.emplace_back(std::make_unique< dht::FindIntroMessage >(
|
||||
txid, remote, dht::FindIntroMessage::MaxRecursionDepth));
|
||||
txid, location, dht::FindIntroMessage::MaxRecursionDepth));
|
||||
return msg;
|
||||
}
|
||||
|
||||
|
|
|
@ -12,18 +12,20 @@ namespace llarp
|
|||
struct Endpoint;
|
||||
struct HiddenServiceAddressLookup : public IServiceLookup
|
||||
{
|
||||
Address remote;
|
||||
using HandlerFunc = std::function< bool(const Address&, const IntroSet*,
|
||||
const RouterID&) >;
|
||||
const PubKey rootkey;
|
||||
const dht::Key_t location;
|
||||
using HandlerFunc = std::function< bool(
|
||||
const Address&, absl::optional< const IntroSet >, const RouterID&) >;
|
||||
HandlerFunc handle;
|
||||
|
||||
HiddenServiceAddressLookup(Endpoint* p, HandlerFunc h,
|
||||
const Address& addr, uint64_t tx);
|
||||
const dht::Key_t& location,
|
||||
const PubKey& rootkey, uint64_t tx);
|
||||
|
||||
~HiddenServiceAddressLookup() override = default;
|
||||
|
||||
bool
|
||||
HandleResponse(const std::set< IntroSet >& results) override;
|
||||
HandleResponse(const std::set< EncryptedIntroSet >& results) override;
|
||||
|
||||
std::shared_ptr< routing::IMessage >
|
||||
BuildRequestMessage() override;
|
||||
|
|
|
@ -2,6 +2,7 @@
|
|||
|
||||
#include <crypto/crypto.hpp>
|
||||
#include <util/fs.hpp>
|
||||
#include <sodium/crypto_sign_ed25519.h>
|
||||
|
||||
namespace llarp
|
||||
{
|
||||
|
@ -57,10 +58,11 @@ namespace llarp
|
|||
Identity::RegenerateKeys()
|
||||
{
|
||||
auto crypto = CryptoManager::instance();
|
||||
crypto->encryption_keygen(enckey);
|
||||
crypto->identity_keygen(signkey);
|
||||
pub.Update(seckey_topublic(enckey), seckey_topublic(signkey));
|
||||
crypto_sign_ed25519_sk_to_curve25519(enckey.data(), signkey.data());
|
||||
pub.Update(seckey_topublic(signkey));
|
||||
crypto->pqe_keygen(pq);
|
||||
crypto->derive_subkey_secret(derivedSignKey, signkey, 1);
|
||||
}
|
||||
|
||||
bool
|
||||
|
@ -141,32 +143,44 @@ namespace llarp
|
|||
if(!vanity.IsZero())
|
||||
van = vanity;
|
||||
// update pubkeys
|
||||
pub.Update(seckey_topublic(enckey), seckey_topublic(signkey), van);
|
||||
return true;
|
||||
pub.Update(seckey_topublic(signkey), van);
|
||||
crypto_sign_ed25519_sk_to_curve25519(enckey.data(), signkey.data());
|
||||
auto crypto = CryptoManager::instance();
|
||||
return crypto->derive_subkey_secret(derivedSignKey, signkey, 1);
|
||||
}
|
||||
|
||||
bool
|
||||
Identity::SignIntroSet(IntroSet& i, llarp_time_t now) const
|
||||
absl::optional< EncryptedIntroSet >
|
||||
Identity::EncryptAndSignIntroSet(const IntroSet& other_i,
|
||||
llarp_time_t now) const
|
||||
{
|
||||
if(i.I.size() == 0)
|
||||
return false;
|
||||
EncryptedIntroSet encrypted;
|
||||
|
||||
if(other_i.I.size() == 0)
|
||||
return {};
|
||||
IntroSet i(other_i);
|
||||
encrypted.nounce.Randomize();
|
||||
// set timestamp
|
||||
// TODO: round to nearest 1000 ms
|
||||
i.T = now;
|
||||
i.T = now;
|
||||
encrypted.signedAt = now;
|
||||
// set service info
|
||||
i.A = pub;
|
||||
// set public encryption key
|
||||
i.K = pq_keypair_to_public(pq);
|
||||
// zero out signature for signing process
|
||||
i.Z.Zero();
|
||||
std::array< byte_t, MAX_INTROSET_SIZE > tmp;
|
||||
llarp_buffer_t buf(tmp);
|
||||
if(!i.BEncode(&buf))
|
||||
return false;
|
||||
if(not i.BEncode(&buf))
|
||||
return {};
|
||||
// rewind and resize buffer
|
||||
buf.sz = buf.cur - buf.base;
|
||||
buf.cur = buf.base;
|
||||
return Sign(i.Z, buf);
|
||||
const SharedSecret k(i.A.Addr());
|
||||
CryptoManager::instance()->xchacha20(buf, k, encrypted.nounce);
|
||||
encrypted.introsetPayload.reserve(buf.sz);
|
||||
std::copy_n(buf.base, buf.sz, encrypted.introsetPayload.data());
|
||||
if(not encrypted.Sign(derivedSignKey))
|
||||
return {};
|
||||
return encrypted;
|
||||
}
|
||||
} // namespace service
|
||||
} // namespace llarp
|
||||
|
|
|
@ -21,6 +21,7 @@ namespace llarp
|
|||
{
|
||||
SecretKey enckey;
|
||||
SecretKey signkey;
|
||||
SecretKey derivedSignKey;
|
||||
PQKeyPair pq;
|
||||
uint64_t version = LLARP_PROTO_VERSION;
|
||||
VanityNonce vanity;
|
||||
|
@ -46,8 +47,8 @@ namespace llarp
|
|||
bool
|
||||
DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* buf);
|
||||
|
||||
bool
|
||||
SignIntroSet(IntroSet& i, llarp_time_t now) const;
|
||||
absl::optional< EncryptedIntroSet >
|
||||
EncryptAndSignIntroSet(const IntroSet& i, llarp_time_t now) const;
|
||||
|
||||
bool
|
||||
Sign(Signature& sig, const llarp_buffer_t& buf) const;
|
||||
|
|
|
@ -7,6 +7,7 @@
|
|||
#include <cassert>
|
||||
|
||||
#include <sodium/crypto_generichash.h>
|
||||
#include <sodium/crypto_sign_ed25519.h>
|
||||
|
||||
namespace llarp
|
||||
{
|
||||
|
@ -19,6 +20,19 @@ namespace llarp
|
|||
return CryptoManager::instance()->verify(signkey, payload, sig);
|
||||
}
|
||||
|
||||
bool
|
||||
ServiceInfo::Update(const byte_t* pubkey, const OptNonce& nonce)
|
||||
{
|
||||
signkey = pubkey;
|
||||
if(crypto_sign_ed25519_pk_to_curve25519(enckey.data(), pubkey) == -1)
|
||||
return false;
|
||||
if(nonce)
|
||||
{
|
||||
vanity = nonce.value();
|
||||
}
|
||||
return UpdateAddr();
|
||||
}
|
||||
|
||||
bool
|
||||
ServiceInfo::DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* val)
|
||||
{
|
||||
|
@ -67,13 +81,8 @@ namespace llarp
|
|||
|
||||
bool ServiceInfo::CalculateAddress(std::array< byte_t, 32 >& data) const
|
||||
{
|
||||
std::array< byte_t, 256 > tmp;
|
||||
llarp_buffer_t buf(tmp);
|
||||
if(!BEncode(&buf))
|
||||
return false;
|
||||
return crypto_generichash_blake2b(data.data(), data.size(), buf.base,
|
||||
buf.cur - buf.base, nullptr, 0)
|
||||
!= -1;
|
||||
data = signkey.as_array();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
|
|
|
@ -45,17 +45,7 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
Update(const byte_t* enc, const byte_t* sign,
|
||||
const OptNonce& nonce = OptNonce())
|
||||
{
|
||||
enckey = enc;
|
||||
signkey = sign;
|
||||
if(nonce)
|
||||
{
|
||||
vanity = nonce.value();
|
||||
}
|
||||
return UpdateAddr();
|
||||
}
|
||||
Update(const byte_t* pubkey, const OptNonce& nonce = OptNonce());
|
||||
|
||||
bool
|
||||
operator==(const ServiceInfo& other) const
|
||||
|
|
|
@ -1,11 +1,140 @@
|
|||
#include <service/intro_set.hpp>
|
||||
|
||||
#include <crypto/crypto.hpp>
|
||||
#include <path/path.hpp>
|
||||
|
||||
namespace llarp
|
||||
{
|
||||
namespace service
|
||||
{
|
||||
util::StatusObject
|
||||
EncryptedIntroSet::ExtractStatus() const
|
||||
{
|
||||
const auto sz = introsetPayload.size();
|
||||
return {{"location", derivedSigningKey.ToString()},
|
||||
{"signedAt", signedAt},
|
||||
{"size", sz}};
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::BEncode(llarp_buffer_t* buf) const
|
||||
{
|
||||
if(not bencode_start_dict(buf))
|
||||
return false;
|
||||
if(not BEncodeWriteDictEntry("d", derivedSigningKey, buf))
|
||||
return false;
|
||||
if(not BEncodeWriteDictEntry("n", nounce, buf))
|
||||
return false;
|
||||
if(not BEncodeWriteDictInt("s", signedAt, buf))
|
||||
return false;
|
||||
if(not bencode_write_bytestring(buf, "x", 1))
|
||||
return false;
|
||||
if(not bencode_write_bytestring(buf, introsetPayload.data(),
|
||||
introsetPayload.size()))
|
||||
return false;
|
||||
if(not BEncodeWriteDictEntry("z", sig, buf))
|
||||
return false;
|
||||
return bencode_end(buf);
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* buf)
|
||||
{
|
||||
bool read = false;
|
||||
if(key == "x")
|
||||
{
|
||||
llarp_buffer_t strbuf;
|
||||
if(not bencode_read_string(buf, &strbuf))
|
||||
return false;
|
||||
if(strbuf.sz > MAX_INTROSET_SIZE)
|
||||
return false;
|
||||
introsetPayload.resize(strbuf.sz);
|
||||
std::copy_n(strbuf.base, strbuf.sz, introsetPayload.data());
|
||||
return true;
|
||||
}
|
||||
if(not BEncodeMaybeReadDictEntry("d", derivedSigningKey, read, key, buf))
|
||||
return false;
|
||||
|
||||
if(not BEncodeMaybeReadDictEntry("n", nounce, read, key, buf))
|
||||
return false;
|
||||
|
||||
if(not BEncodeMaybeReadDictInt("s", signedAt, read, key, buf))
|
||||
return false;
|
||||
|
||||
if(not BEncodeMaybeReadDictEntry("z", sig, read, key, buf))
|
||||
return false;
|
||||
return read;
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::OtherIsNewer(const EncryptedIntroSet& other) const
|
||||
{
|
||||
return signedAt < other.signedAt;
|
||||
}
|
||||
|
||||
std::ostream&
|
||||
EncryptedIntroSet::print(std::ostream& out, int levels, int spaces) const
|
||||
{
|
||||
Printer printer(out, levels, spaces);
|
||||
printer.printAttribute("d", derivedSigningKey);
|
||||
printer.printAttribute("n", nounce);
|
||||
printer.printAttribute("s", signedAt);
|
||||
printer.printAttribute("x", introsetPayload);
|
||||
printer.printAttribute("z", sig);
|
||||
return out;
|
||||
}
|
||||
|
||||
absl::optional< IntroSet >
|
||||
EncryptedIntroSet::MaybeDecrypt(const PubKey& root) const
|
||||
{
|
||||
SharedSecret k(root);
|
||||
IntroSet i;
|
||||
std::vector< byte_t > payload = introsetPayload;
|
||||
llarp_buffer_t buf(payload);
|
||||
CryptoManager::instance()->xchacha20(buf, k, nounce);
|
||||
if(not i.BDecode(&buf))
|
||||
return {};
|
||||
return i;
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::IsExpired(llarp_time_t now) const
|
||||
{
|
||||
return now >= signedAt + path::default_lifetime;
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::Sign(const SecretKey& k)
|
||||
{
|
||||
signedAt = llarp::time_now_ms();
|
||||
derivedSigningKey = k.toPublic();
|
||||
sig.Zero();
|
||||
std::array< byte_t, MAX_INTROSET_SIZE + 128 > tmp;
|
||||
llarp_buffer_t buf(tmp);
|
||||
if(not BEncode(&buf))
|
||||
return false;
|
||||
buf.sz = buf.cur - buf.base;
|
||||
buf.cur = buf.base;
|
||||
return CryptoManager::instance()->sign(sig, k, buf);
|
||||
}
|
||||
|
||||
bool
|
||||
EncryptedIntroSet::Verify(llarp_time_t now) const
|
||||
{
|
||||
if(signedAt > now)
|
||||
return false;
|
||||
if(IsExpired(now))
|
||||
return false;
|
||||
std::array< byte_t, MAX_INTROSET_SIZE + 128 > tmp;
|
||||
llarp_buffer_t buf(tmp);
|
||||
EncryptedIntroSet copy(*this);
|
||||
copy.sig.Zero();
|
||||
if(not copy.BEncode(&buf))
|
||||
return false;
|
||||
buf.sz = buf.cur - buf.base;
|
||||
buf.cur = buf.base;
|
||||
return CryptoManager::instance()->verify(derivedSigningKey, buf, sig);
|
||||
}
|
||||
|
||||
util::StatusObject
|
||||
IntroSet::ExtractStatus() const
|
||||
{
|
||||
|
|
|
@ -23,6 +23,7 @@ namespace llarp
|
|||
constexpr std::size_t MAX_INTROSET_SIZE = 4096;
|
||||
// 10 seconds clock skew permitted for introset expiration
|
||||
constexpr llarp_time_t MAX_INTROSET_TIME_DELTA = (10 * 1000);
|
||||
|
||||
struct IntroSet
|
||||
{
|
||||
ServiceInfo A;
|
||||
|
@ -101,6 +102,80 @@ namespace llarp
|
|||
return i.print(out, -1, -1);
|
||||
}
|
||||
|
||||
/// public version of the intrset that is encrypted
|
||||
struct EncryptedIntroSet
|
||||
{
|
||||
using Payload_t = std::vector< byte_t >;
|
||||
|
||||
PubKey derivedSigningKey;
|
||||
llarp_time_t signedAt = 0;
|
||||
Payload_t introsetPayload;
|
||||
TunnelNonce nounce;
|
||||
absl::optional< Tag > topic;
|
||||
Signature sig;
|
||||
|
||||
bool
|
||||
Sign(const SecretKey& k);
|
||||
|
||||
bool
|
||||
IsExpired(llarp_time_t now) const;
|
||||
|
||||
bool
|
||||
BEncode(llarp_buffer_t* buf) const;
|
||||
|
||||
bool
|
||||
BDecode(llarp_buffer_t* buf)
|
||||
{
|
||||
return bencode_decode_dict(*this, buf);
|
||||
}
|
||||
|
||||
bool
|
||||
DecodeKey(const llarp_buffer_t& key, llarp_buffer_t* buf);
|
||||
|
||||
bool
|
||||
OtherIsNewer(const EncryptedIntroSet& other) const;
|
||||
|
||||
/// verify signature and timestamp
|
||||
bool
|
||||
Verify(llarp_time_t now) const;
|
||||
|
||||
std::ostream&
|
||||
print(std::ostream& stream, int level, int spaces) const;
|
||||
|
||||
util::StatusObject
|
||||
ExtractStatus() const;
|
||||
|
||||
absl::optional< IntroSet >
|
||||
MaybeDecrypt(const PubKey& rootKey) const;
|
||||
};
|
||||
|
||||
inline std::ostream&
|
||||
operator<<(std::ostream& out, const EncryptedIntroSet& i)
|
||||
{
|
||||
return i.print(out, -1, -1);
|
||||
}
|
||||
|
||||
inline bool
|
||||
operator<(const EncryptedIntroSet& lhs, const EncryptedIntroSet& rhs)
|
||||
{
|
||||
return lhs.derivedSigningKey < rhs.derivedSigningKey;
|
||||
}
|
||||
|
||||
inline bool
|
||||
operator==(const EncryptedIntroSet& lhs, const EncryptedIntroSet& rhs)
|
||||
{
|
||||
return std::tie(lhs.signedAt, lhs.derivedSigningKey, lhs.nounce, lhs.sig)
|
||||
== std::tie(rhs.signedAt, rhs.derivedSigningKey, rhs.nounce, rhs.sig);
|
||||
}
|
||||
|
||||
inline bool
|
||||
operator!=(const EncryptedIntroSet& lhs, const EncryptedIntroSet& rhs)
|
||||
{
|
||||
return !(lhs == rhs);
|
||||
}
|
||||
|
||||
using EncryptedIntroSetLookupHandler =
|
||||
std::function< void(const std::vector< EncryptedIntroSet >&) >;
|
||||
using IntroSetLookupHandler =
|
||||
std::function< void(const std::vector< IntroSet >&) >;
|
||||
|
||||
|
|
|
@ -28,8 +28,7 @@ namespace llarp
|
|||
|
||||
/// handle lookup result
|
||||
virtual bool
|
||||
HandleResponse(__attribute__((unused))
|
||||
const std::set< IntroSet >& results)
|
||||
HandleResponse(const std::set< EncryptedIntroSet >&)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
|
|
@ -56,6 +56,7 @@ namespace llarp
|
|||
OutboundContext::OutboundContext(const IntroSet& introset, Endpoint* parent)
|
||||
: path::Builder(parent->Router(), 4, path::default_len)
|
||||
, SendContext(introset.A, {}, this, parent)
|
||||
, location(introset.A.Addr().ToKey())
|
||||
, currentIntroSet(introset)
|
||||
|
||||
{
|
||||
|
@ -83,15 +84,14 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
OutboundContext::OnIntroSetUpdate(__attribute__((unused))
|
||||
const Address& addr,
|
||||
const IntroSet* i,
|
||||
OutboundContext::OnIntroSetUpdate(const Address&,
|
||||
absl::optional< const IntroSet > i,
|
||||
const RouterID& endpoint)
|
||||
{
|
||||
if(markedBad)
|
||||
return true;
|
||||
updatingIntroSet = false;
|
||||
if(i)
|
||||
if(i.has_value())
|
||||
{
|
||||
if(currentIntroSet.T >= i->T)
|
||||
{
|
||||
|
@ -105,7 +105,7 @@ namespace llarp
|
|||
LogError("got expired introset from lookup from ", endpoint);
|
||||
return true;
|
||||
}
|
||||
currentIntroSet = *i;
|
||||
currentIntroSet = i.value();
|
||||
}
|
||||
else
|
||||
{
|
||||
|
@ -238,7 +238,7 @@ namespace llarp
|
|||
HiddenServiceAddressLookup* job = new HiddenServiceAddressLookup(
|
||||
m_Endpoint,
|
||||
util::memFn(&OutboundContext::OnIntroSetUpdate, shared_from_this()),
|
||||
addr, m_Endpoint->GenTXID());
|
||||
location, PubKey{addr.as_array()}, m_Endpoint->GenTXID());
|
||||
|
||||
updatingIntroSet = job->SendRequestViaPath(path, m_Endpoint->Router());
|
||||
}
|
||||
|
|
|
@ -115,9 +115,10 @@ namespace llarp
|
|||
OnGeneratedIntroFrame(AsyncKeyExchange* k, PathID_t p);
|
||||
|
||||
bool
|
||||
OnIntroSetUpdate(const Address& addr, const IntroSet* i,
|
||||
OnIntroSetUpdate(const Address& addr, absl::optional< const IntroSet > i,
|
||||
const RouterID& endpoint);
|
||||
|
||||
const dht::Key_t location;
|
||||
uint64_t m_UpdateIntrosetTX = 0;
|
||||
IntroSet currentIntroSet;
|
||||
Introduction m_NextIntro;
|
||||
|
|
|
@ -9,17 +9,8 @@ namespace llarp
|
|||
namespace service
|
||||
{
|
||||
bool
|
||||
CachedTagResult::HandleResponse(const std::set< IntroSet >& introsets)
|
||||
CachedTagResult::HandleResponse(const std::set< EncryptedIntroSet >&)
|
||||
{
|
||||
auto now = m_parent->Now();
|
||||
|
||||
for(const auto& introset : introsets)
|
||||
if(result.insert(introset).second)
|
||||
lastModified = now;
|
||||
LogInfo("Tag result for ", tag.ToString(), " got ", introsets.size(),
|
||||
" results from lookup, have ", result.size(),
|
||||
" cached last modified at ", lastModified, " is ",
|
||||
now - lastModified, "ms old");
|
||||
return true;
|
||||
}
|
||||
|
||||
|
@ -29,9 +20,8 @@ namespace llarp
|
|||
auto itr = result.begin();
|
||||
while(itr != result.end())
|
||||
{
|
||||
if(itr->HasExpiredIntros(now))
|
||||
if(itr->IsExpired(now))
|
||||
{
|
||||
LogInfo("Removing expired tag Entry ", itr->A.Name());
|
||||
itr = result.erase(itr);
|
||||
lastModified = now;
|
||||
}
|
||||
|
|
|
@ -20,7 +20,7 @@ namespace llarp
|
|||
const static llarp_time_t TTL = 10000;
|
||||
llarp_time_t lastRequest = 0;
|
||||
llarp_time_t lastModified = 0;
|
||||
std::set< IntroSet > result;
|
||||
std::set< EncryptedIntroSet > result;
|
||||
Tag tag;
|
||||
Endpoint* m_parent;
|
||||
|
||||
|
@ -45,7 +45,7 @@ namespace llarp
|
|||
BuildRequestMessage(uint64_t txid);
|
||||
|
||||
bool
|
||||
HandleResponse(const std::set< IntroSet >& results);
|
||||
HandleResponse(const std::set< EncryptedIntroSet >& results);
|
||||
};
|
||||
|
||||
struct TagLookupJob : public IServiceLookup
|
||||
|
@ -61,7 +61,7 @@ namespace llarp
|
|||
}
|
||||
|
||||
bool
|
||||
HandleResponse(const std::set< IntroSet >& results) override
|
||||
HandleResponse(const std::set< EncryptedIntroSet >& results) override
|
||||
{
|
||||
return m_result->HandleResponse(results);
|
||||
}
|
||||
|
|
|
@ -43,6 +43,11 @@ namespace llarp
|
|||
bool(byte_t *, const llarp_buffer_t &,
|
||||
const SharedSecret &));
|
||||
|
||||
MOCK_METHOD3(derive_subkey, bool(PubKey &, const PubKey &, uint64_t));
|
||||
|
||||
MOCK_METHOD3(derive_subkey_secret,
|
||||
bool(SecretKey &, const SecretKey &, uint64_t));
|
||||
|
||||
MOCK_METHOD3(sign,
|
||||
bool(Signature &, const SecretKey &,
|
||||
const llarp_buffer_t &));
|
||||
|
@ -70,7 +75,7 @@ namespace llarp
|
|||
MOCK_METHOD3(pqe_encrypt,
|
||||
bool(PQCipherBlock &, SharedSecret &, const PQPubKey &));
|
||||
|
||||
MOCK_METHOD1(check_identity_privkey, bool(const SecretKey&));
|
||||
MOCK_METHOD1(check_identity_privkey, bool(const SecretKey &));
|
||||
};
|
||||
} // namespace test
|
||||
} // namespace llarp
|
||||
|
|
|
@ -20,35 +20,23 @@ namespace llarp
|
|||
const dht::Key_t&, RouterLookupHandler));
|
||||
|
||||
MOCK_METHOD6(LookupIntroSetRecursive,
|
||||
void(const service::Address&, const dht::Key_t&, uint64_t,
|
||||
void(const dht::Key_t&, const dht::Key_t&, uint64_t,
|
||||
const dht::Key_t&, uint64_t,
|
||||
service::IntroSetLookupHandler));
|
||||
service::EncryptedIntroSetLookupHandler));
|
||||
|
||||
MOCK_METHOD5(LookupIntroSetIterative,
|
||||
void(const service::Address&, const dht::Key_t&, uint64_t,
|
||||
const dht::Key_t&, service::IntroSetLookupHandler));
|
||||
|
||||
MOCK_METHOD3(
|
||||
FindRandomIntroSetsWithTagExcluding,
|
||||
std::set< service::IntroSet >(const service::Tag&, size_t,
|
||||
const std::set< service::IntroSet >&));
|
||||
void(const dht::Key_t&, const dht::Key_t&, uint64_t,
|
||||
const dht::Key_t&,
|
||||
service::EncryptedIntroSetLookupHandler));
|
||||
|
||||
MOCK_CONST_METHOD1(HasRouterLookup, bool(const RouterID& target));
|
||||
|
||||
MOCK_METHOD5(LookupTagRecursive,
|
||||
void(const service::Tag&, const dht::Key_t&, uint64_t,
|
||||
const dht::Key_t&, uint64_t));
|
||||
|
||||
MOCK_METHOD4(LookupTagForPath,
|
||||
void(const service::Tag&, uint64_t, const PathID_t&,
|
||||
const dht::Key_t&));
|
||||
|
||||
MOCK_METHOD4(LookupRouterForPath,
|
||||
void(const RouterID& target, uint64_t txid,
|
||||
const PathID_t& path, const dht::Key_t& askpeer));
|
||||
|
||||
MOCK_METHOD5(LookupIntroSetForPath,
|
||||
void(const service::Address&, uint64_t, const PathID_t&,
|
||||
void(const dht::Key_t&, uint64_t, const PathID_t&,
|
||||
const dht::Key_t&, uint64_t));
|
||||
|
||||
MOCK_METHOD3(DHTSendTo, void(const RouterID&, dht::IMessage*, bool));
|
||||
|
@ -73,16 +61,16 @@ namespace llarp
|
|||
|
||||
MOCK_METHOD6(PropagateIntroSetTo,
|
||||
void(const dht::Key_t& source, uint64_t sourceTX,
|
||||
const service::IntroSet& introset,
|
||||
const service::EncryptedIntroSet& introset,
|
||||
const dht::Key_t& peer, uint64_t S,
|
||||
const std::set< dht::Key_t >& exclude));
|
||||
|
||||
MOCK_METHOD3(Init,
|
||||
void(const dht::Key_t&, AbstractRouter*, llarp_time_t));
|
||||
|
||||
MOCK_CONST_METHOD1(
|
||||
GetIntroSetByServiceAddress,
|
||||
const llarp::service::IntroSet*(const llarp::service::Address&));
|
||||
MOCK_CONST_METHOD1(GetIntroSetByLocation,
|
||||
absl::optional< llarp::service::EncryptedIntroSet >(
|
||||
const llarp::dht::Key_t&));
|
||||
|
||||
MOCK_CONST_METHOD0(ExtractStatus, util::StatusObject());
|
||||
|
||||
|
@ -98,10 +86,6 @@ namespace llarp
|
|||
const PendingIntrosetLookups&());
|
||||
MOCK_METHOD0(pendingIntrosetLookups, PendingIntrosetLookups&());
|
||||
|
||||
MOCK_METHOD0(pendingTagLookups, PendingTagLookups&());
|
||||
|
||||
MOCK_CONST_METHOD0(pendingTagLookups, const PendingTagLookups&());
|
||||
|
||||
MOCK_METHOD0(pendingRouterLookups, PendingRouterLookups&());
|
||||
|
||||
MOCK_CONST_METHOD0(pendingRouterLookups, const PendingRouterLookups&());
|
||||
|
|
|
@ -72,19 +72,18 @@ TEST_F(TestDhtISNode, construct)
|
|||
ASSERT_THAT(node.ID, Property(&dht::Key_t::IsZero, true));
|
||||
|
||||
node.ID.Fill(0xCA);
|
||||
node.introset.K.Fill(0xDB);
|
||||
node.introset.derivedSigningKey.Fill(0xDB);
|
||||
|
||||
dht::ISNode other{node};
|
||||
ASSERT_EQ(node.ID, other.ID);
|
||||
ASSERT_EQ(node.introset, other.introset);
|
||||
|
||||
service::IntroSet introSet;
|
||||
introSet.K.Randomize();
|
||||
introSet.A.UpdateAddr();
|
||||
service::EncryptedIntroSet introSet;
|
||||
introSet.derivedSigningKey.Randomize();
|
||||
|
||||
dht::ISNode fromIntro{introSet};
|
||||
|
||||
ASSERT_EQ(fromIntro.ID.as_array(), introSet.A.Addr().as_array());
|
||||
ASSERT_EQ(fromIntro.ID.as_array(), introSet.derivedSigningKey);
|
||||
}
|
||||
|
||||
TEST_F(TestDhtISNode, lt)
|
||||
|
@ -94,10 +93,10 @@ TEST_F(TestDhtISNode, lt)
|
|||
dht::ISNode three;
|
||||
dht::ISNode eqThree;
|
||||
|
||||
one.introset.T = 1;
|
||||
two.introset.T = 2;
|
||||
three.introset.T = 3;
|
||||
eqThree.introset.T = 3;
|
||||
one.introset.signedAt = 1;
|
||||
two.introset.signedAt = 2;
|
||||
three.introset.signedAt = 3;
|
||||
eqThree.introset.signedAt = 3;
|
||||
|
||||
// LT cases
|
||||
ASSERT_THAT(one, Lt(two));
|
||||
|
|
|
@ -10,6 +10,8 @@
|
|||
#include <gtest/gtest.h>
|
||||
#include <gmock/gmock.h>
|
||||
|
||||
#if 0
|
||||
|
||||
using namespace llarp;
|
||||
using namespace ::testing;
|
||||
|
||||
|
@ -17,7 +19,7 @@ using test::makeBuf;
|
|||
|
||||
struct MockIntroSetHandler
|
||||
{
|
||||
MOCK_METHOD1(call, void(const std::vector< service::IntroSet > &));
|
||||
MOCK_METHOD1(call, void(const std::vector< service::EncryptedIntroSet > &));
|
||||
};
|
||||
|
||||
static constexpr uint64_t EXPIRY = 1548503831ull;
|
||||
|
@ -59,9 +61,8 @@ TEST_F(TestDhtServiceAddressLookup, validate)
|
|||
// - introset fails to verify
|
||||
// - introset topic is not the target
|
||||
// - happy path
|
||||
|
||||
{
|
||||
service::IntroSet introset;
|
||||
service::EncryptedIntroSet introset;
|
||||
EXPECT_CALL(context, Now()).WillOnce(Return(EXPIRY));
|
||||
EXPECT_CALL(m_crypto, verify(_, _, _)).WillOnce(Return(false));
|
||||
|
||||
|
@ -217,3 +218,5 @@ TEST_F(TestDhtServiceAddressLookup, send_reply)
|
|||
ASSERT_NO_THROW(serviceAddressLookup->SendReply());
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -8,7 +8,7 @@
|
|||
#include <test_util.hpp>
|
||||
|
||||
#include <gtest/gtest.h>
|
||||
|
||||
#if 0
|
||||
using namespace llarp;
|
||||
using namespace ::testing;
|
||||
|
||||
|
@ -228,3 +228,5 @@ TEST_F(TestDhtTagLookup, send_reply)
|
|||
ASSERT_NO_THROW(tagLookup.SendReply());
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -39,9 +39,9 @@ TEST_F(HiddenServiceTest, TestGenerateIntroSet)
|
|||
|
||||
EXPECT_CALL(m_crypto, sign(I.Z, _, _)).WillOnce(Return(true));
|
||||
EXPECT_CALL(m_crypto, verify(_, _, I.Z)).WillOnce(Return(true));
|
||||
|
||||
ASSERT_TRUE(ident.SignIntroSet(I, now));
|
||||
ASSERT_TRUE(I.Verify(now));
|
||||
const auto maybe = ident.EncryptAndSignIntroSet(I, now);
|
||||
ASSERT_TRUE(maybe.has_value());
|
||||
ASSERT_TRUE(maybe->Verify(now));
|
||||
}
|
||||
|
||||
TEST_F(HiddenServiceTest, TestAddressToFromString)
|
||||
|
@ -73,8 +73,7 @@ TEST_F(ServiceIdentityTest, EnsureKeys)
|
|||
|
||||
test::FileGuard guard(p);
|
||||
|
||||
EXPECT_CALL(m_crypto, encryption_keygen(_))
|
||||
.WillOnce(WithArg< 0 >(FillArg< SecretKey >(0x01)));
|
||||
const SecretKey k;
|
||||
|
||||
EXPECT_CALL(m_crypto, identity_keygen(_))
|
||||
.WillOnce(WithArg< 0 >(FillArg< SecretKey >(0x02)));
|
||||
|
|
Loading…
Reference in New Issue