diff options
Diffstat (limited to 'src/netaddress.h')
| -rw-r--r-- | src/netaddress.h | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/src/netaddress.h b/src/netaddress.h index 897ce46cda..5e1d9d2a6f 100644 --- a/src/netaddress.h +++ b/src/netaddress.h @@ -11,7 +11,9 @@ #include <attributes.h> #include <compat.h> +#include <crypto/siphash.h> #include <prevector.h> +#include <random.h> #include <serialize.h> #include <tinyformat.h> #include <util/strencodings.h> @@ -97,9 +99,6 @@ static constexpr size_t ADDR_IPV4_SIZE = 4; /// Size of IPv6 address (in bytes). static constexpr size_t ADDR_IPV6_SIZE = 16; -/// Size of TORv2 address (in bytes). -static constexpr size_t ADDR_TORV2_SIZE = 10; - /// Size of TORv3 address (in bytes). This is the length of just the address /// as used in BIP155, without the checksum and the version byte. static constexpr size_t ADDR_TORV3_SIZE = 32; @@ -113,6 +112,9 @@ static constexpr size_t ADDR_CJDNS_SIZE = 16; /// Size of "internal" (NET_INTERNAL) address (in bytes). static constexpr size_t ADDR_INTERNAL_SIZE = 10; +/// SAM 3.1 and earlier do not support specifying ports and force the port to 0. +static constexpr uint16_t I2P_SAM31_PORT{0}; + /** * Network address. */ @@ -225,7 +227,7 @@ class CNetAddr */ bool IsRelayable() const { - return IsIPv4() || IsIPv6() || IsTor(); + return IsIPv4() || IsIPv6() || IsTor() || IsI2P(); } /** @@ -254,14 +256,14 @@ class CNetAddr } } + friend class CNetAddrHash; friend class CSubNet; private: /** * Parse a Tor address and set this object to it. * @param[in] addr Address to parse, must be a valid C string, for example - * pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion or - * 6hzph5hv6337r6p2.onion. + * pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion. * @returns Whether the operation was successful. * @see CNetAddr::IsTor() */ @@ -303,7 +305,7 @@ class CNetAddr /** * Get the BIP155 network id of this address. * Must not be called for IsInternal() objects. - * @returns BIP155 network id + * @returns BIP155 network id, except TORV2 which is no longer supported. */ BIP155Network GetBIP155Network() const; @@ -334,23 +336,14 @@ class CNetAddr memcpy(arr, IPV4_IN_IPV6_PREFIX.data(), prefix_size); memcpy(arr + prefix_size, m_addr.data(), m_addr.size()); return; - case NET_ONION: - if (m_addr.size() == ADDR_TORV3_SIZE) { - break; - } - prefix_size = sizeof(TORV2_IN_IPV6_PREFIX); - assert(prefix_size + m_addr.size() == sizeof(arr)); - memcpy(arr, TORV2_IN_IPV6_PREFIX.data(), prefix_size); - memcpy(arr + prefix_size, m_addr.data(), m_addr.size()); - return; case NET_INTERNAL: prefix_size = sizeof(INTERNAL_IN_IPV6_PREFIX); assert(prefix_size + m_addr.size() == sizeof(arr)); memcpy(arr, INTERNAL_IN_IPV6_PREFIX.data(), prefix_size); memcpy(arr + prefix_size, m_addr.data(), m_addr.size()); return; + case NET_ONION: case NET_I2P: - break; case NET_CJDNS: break; case NET_UNROUTABLE: @@ -358,7 +351,7 @@ class CNetAddr assert(false); } // no default case, so the compiler can warn about missing cases - // Serialize TORv3, I2P and CJDNS as all-zeros. + // Serialize ONION, I2P and CJDNS as all-zeros. memset(arr, 0x0, V1_SERIALIZATION_SIZE); } @@ -477,6 +470,22 @@ class CNetAddr } }; +class CNetAddrHash +{ +public: + size_t operator()(const CNetAddr& a) const noexcept + { + CSipHasher hasher(m_salt_k0, m_salt_k1); + hasher.Write(a.m_net); + hasher.Write(a.m_addr.data(), a.m_addr.size()); + return static_cast<size_t>(hasher.Finalize()); + } + +private: + const uint64_t m_salt_k0 = GetRand(std::numeric_limits<uint64_t>::max()); + const uint64_t m_salt_k1 = GetRand(std::numeric_limits<uint64_t>::max()); +}; + class CSubNet { protected: |