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Merge pull request #18 from twisterarmy/option--onlynet-yggdrasil

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init `-onlynet=yggdrasil` option
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d47081 2025-04-30 11:40:44 +03:00 committed by GitHub
commit 60b16d921d
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4 changed files with 28 additions and 2 deletions
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2
src/init.cpp
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@ -201,7 +201,7 @@ std::string HelpMessage()
strUsage += " -connect=<ip> " + _("Connect only to the specified node(s)") + "\n";
strUsage += " -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n";
strUsage += " -externalip=<ip> " + _("Specify your own public address") + "\n";
strUsage += " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4, IPv6 or Tor)") + "\n";
strUsage += " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4, IPv6, Tor, Ygg or Yggdrasil)") + "\n";
strUsage += " -multiconnperip " + _("Enable libtorrent multiple connections per ip (default: 0)") + "\n";
strUsage += " -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n";
strUsage += " -checkpoints " + _("Only accept block chain matching built-in checkpoints (default: 1)") + "\n";

22
src/netbase.cpp
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@ -38,6 +38,7 @@ enum Network ParseNetwork(std::string net) {
if (net == "ipv4") return NET_IPV4;
if (net == "ipv6") return NET_IPV6;
if (net == "tor") return NET_TOR;
if (net == "ygg" || net == "yggdrasil") return NET_YGGDRASIL;
return NET_UNROUTABLE;
}
@ -687,6 +688,12 @@ bool CNetAddr::IsTor() const
return (memcmp(ip, pchOnionCat, sizeof(pchOnionCat)) == 0);
}
// https://yggdrasil-network.github.io/2018/07/28/addressing.html#addressing-in-yggdrasil
bool CNetAddr::IsYggdrasil() const
{
return IsIPv6() && (ip[0] & 0xFE) == 0x02; // @TODO wants revision
}
bool CNetAddr::IsLocal() const
{
// IPv4 loopback
@ -759,6 +766,9 @@ enum Network CNetAddr::GetNetwork() const
if (IsTor())
return NET_TOR;
if (IsYggdrasil())
return NET_YGGDRASIL;
return NET_IPV6;
}
@ -873,6 +883,11 @@ std::vector<unsigned char> CNetAddr::GetGroup() const
nStartByte = 6;
nBits = 4;
}
// for yggdrasil, use /7 groups
else if (IsYggdrasil())
{
nClass = NET_YGGDRASIL;
}
// for he.net, use /36 groups
else if (GetByte(15) == 0x20 && GetByte(14) == 0x11 && GetByte(13) == 0x04 && GetByte(12) == 0x70)
nBits = 36;
@ -973,6 +988,11 @@ int CNetAddr::GetReachabilityFrom(const CNetAddr *paddrPartner) const
case NET_IPV4: return REACH_IPV4; // Tor users can connect to IPv4 as well
case NET_TOR: return REACH_PRIVATE;
}
case NET_YGGDRASIL: // by NET_CJDNS https://github.com/bitcoin/bitcoin/blob/master/src/netaddress.cpp#L760
switch(ourNet) {
case NET_YGGDRASIL: return REACH_PRIVATE;
default: return REACH_DEFAULT;
}
case NET_TEREDO:
switch(ourNet) {
default: return REACH_DEFAULT;
@ -1112,7 +1132,7 @@ bool CService::GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const
return true;
}
#ifdef USE_IPV6
if (IsIPv6()) {
if (IsIPv6() || IsYggdrasil()) {
if (*addrlen < (socklen_t)sizeof(struct sockaddr_in6))
return false;
*addrlen = sizeof(struct sockaddr_in6);

2
src/netbase.h
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@ -23,6 +23,7 @@ enum Network
NET_IPV4,
NET_IPV6,
NET_TOR,
NET_YGGDRASIL,
NET_MAX,
};
@ -56,6 +57,7 @@ class CNetAddr
bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
bool IsRFC6052() const; // IPv6 well-known prefix (64:FF9B::/96)
bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96)
bool IsYggdrasil() const; // IPv6 Yggdrasil (0200::/7)
bool IsTor() const;
bool IsLocal() const;
bool IsRoutable() const;

4
src/test/netbase_tests.cpp
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@ -16,6 +16,8 @@ BOOST_AUTO_TEST_CASE(netbase_networks)
BOOST_CHECK(CNetAddr("8.8.8.8").GetNetwork() == NET_IPV4);
BOOST_CHECK(CNetAddr("2001::8888").GetNetwork() == NET_IPV6);
BOOST_CHECK(CNetAddr("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").GetNetwork() == NET_TOR);
BOOST_CHECK(CNetAddr("300:17a8:aabf:108f::33").GetNetwork() == NET_YGGDRASIL);
BOOST_CHECK(CNetAddr("200:17a8:aabf:108f:5581:3d0d:c2a:4f06").GetNetwork() == NET_YGGDRASIL);
}
BOOST_AUTO_TEST_CASE(netbase_properties)
@ -35,6 +37,8 @@ BOOST_AUTO_TEST_CASE(netbase_properties)
BOOST_CHECK(CNetAddr("FE80::").IsRFC4862());
BOOST_CHECK(CNetAddr("64:FF9B::").IsRFC6052());
BOOST_CHECK(CNetAddr("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").IsTor());
BOOST_CHECK(CNetAddr("300:17a8:aabf:108f::33").IsYggdrasil());
BOOST_CHECK(CNetAddr("200:17a8:aabf:108f:5581:3d0d:c2a:4f06").IsYggdrasil());
BOOST_CHECK(CNetAddr("127.0.0.1").IsLocal());
BOOST_CHECK(CNetAddr("::1").IsLocal());
BOOST_CHECK(CNetAddr("8.8.8.8").IsRoutable());