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Diffstat (limited to 'src/netaddress.cpp')
-rw-r--r--src/netaddress.cpp108
1 files changed, 0 insertions, 108 deletions
diff --git a/src/netaddress.cpp b/src/netaddress.cpp
index eab7bfdb8e..bc1915aad9 100644
--- a/src/netaddress.cpp
+++ b/src/netaddress.cpp
@@ -10,7 +10,6 @@
#include <hash.h>
#include <prevector.h>
#include <tinyformat.h>
-#include <util/asmap.h>
#include <util/strencodings.h>
#include <util/string.h>
@@ -722,113 +721,6 @@ Network CNetAddr::GetNetClass() const
return m_net;
}
-uint32_t CNetAddr::GetMappedAS(const std::vector<bool> &m_asmap) const {
- const CNetAddr& address = *this;
- uint32_t net_class = address.GetNetClass();
- if (m_asmap.size() == 0 || (net_class != NET_IPV4 && net_class != NET_IPV6)) {
- return 0; // Indicates not found, safe because AS0 is reserved per RFC7607.
- }
- std::vector<bool> ip_bits(128);
- if (address.HasLinkedIPv4()) {
- // For lookup, treat as if it was just an IPv4 address (IPV4_IN_IPV6_PREFIX + IPv4 bits)
- for (int8_t byte_i = 0; byte_i < 12; ++byte_i) {
- for (uint8_t bit_i = 0; bit_i < 8; ++bit_i) {
- ip_bits[byte_i * 8 + bit_i] = (IPV4_IN_IPV6_PREFIX[byte_i] >> (7 - bit_i)) & 1;
- }
- }
- uint32_t ipv4 = address.GetLinkedIPv4();
- for (int i = 0; i < 32; ++i) {
- ip_bits[96 + i] = (ipv4 >> (31 - i)) & 1;
- }
- } else {
- // Use all 128 bits of the IPv6 address otherwise
- assert(address.IsIPv6());
- auto addr_bytes = address.GetAddrBytes();
- for (int8_t byte_i = 0; byte_i < 16; ++byte_i) {
- uint8_t cur_byte = addr_bytes[byte_i];
- for (uint8_t bit_i = 0; bit_i < 8; ++bit_i) {
- ip_bits[byte_i * 8 + bit_i] = (cur_byte >> (7 - bit_i)) & 1;
- }
- }
- }
- uint32_t mapped_as = Interpret(m_asmap, ip_bits);
- return mapped_as;
-}
-
-/**
- * Get the canonical identifier of our network group
- *
- * The groups are assigned in a way where it should be costly for an attacker to
- * obtain addresses with many different group identifiers, even if it is cheap
- * to obtain addresses with the same identifier.
- *
- * @note No two connections will be attempted to addresses with the same network
- * group.
- */
-std::vector<unsigned char> CNetAddr::GetGroup(const std::vector<bool> &m_asmap) const
-{
- const CNetAddr& address = *this;
- std::vector<unsigned char> vchRet;
- // If non-empty asmap is supplied and the address is IPv4/IPv6,
- // return ASN to be used for bucketing.
- uint32_t asn = GetMappedAS(m_asmap);
- if (asn != 0) { // Either asmap was empty, or address has non-asmappable net class (e.g. TOR).
- vchRet.push_back(NET_IPV6); // IPv4 and IPv6 with same ASN should be in the same bucket
- for (int i = 0; i < 4; i++) {
- vchRet.push_back((asn >> (8 * i)) & 0xFF);
- }
- return vchRet;
- }
-
- vchRet.push_back(address.GetNetClass());
- int nStartByte{0};
- int nBits{0};
-
- if (address.IsLocal()) {
- // all local addresses belong to the same group
- } else if (address.IsInternal()) {
- // All internal-usage addresses get their own group.
- // Skip over the INTERNAL_IN_IPV6_PREFIX returned by CAddress::GetAddrBytes().
- nStartByte = INTERNAL_IN_IPV6_PREFIX.size();
- nBits = ADDR_INTERNAL_SIZE * 8;
- } else if (!address.IsRoutable()) {
- // all other unroutable addresses belong to the same group
- } else if (address.HasLinkedIPv4()) {
- // IPv4 addresses (and mapped IPv4 addresses) use /16 groups
- uint32_t ipv4 = address.GetLinkedIPv4();
- vchRet.push_back((ipv4 >> 24) & 0xFF);
- vchRet.push_back((ipv4 >> 16) & 0xFF);
- return vchRet;
- } else if (address.IsTor() || address.IsI2P()) {
- nBits = 4;
- } else if (address.IsCJDNS()) {
- // Treat in the same way as Tor and I2P because the address in all of
- // them is "random" bytes (derived from a public key). However in CJDNS
- // the first byte is a constant 0xfc, so the random bytes come after it.
- // Thus skip the constant 8 bits at the start.
- nBits = 12;
- } else if (address.IsHeNet()) {
- // for he.net, use /36 groups
- nBits = 36;
- } else {
- // for the rest of the IPv6 network, use /32 groups
- nBits = 32;
- }
-
- // Push our address onto vchRet.
- auto addr_bytes = address.GetAddrBytes();
- const size_t num_bytes = nBits / 8;
- vchRet.insert(vchRet.end(), addr_bytes.begin() + nStartByte, addr_bytes.begin() + nStartByte + num_bytes);
- nBits %= 8;
- // ...for the last byte, push nBits and for the rest of the byte push 1's
- if (nBits > 0) {
- assert(num_bytes < addr_bytes.size());
- vchRet.push_back(addr_bytes[num_bytes] | ((1 << (8 - nBits)) - 1));
- }
-
- return vchRet;
-}
-
std::vector<unsigned char> CNetAddr::GetAddrBytes() const
{
if (IsAddrV1Compatible()) {