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Limited relaying/storing of foreign addresses

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Introduce a boolean variable for each "network" (ipv4, ipv6, tor, i2p),
and track whether we are likely to able to connect to it. Addresses in
"addr" messages outside of our network get limited relaying and are not
stored in addrman.
This commit is contained in:
Pieter Wuille
2012-04-10 20:22:04 +02:00
parent d32148567f
commit 090e5b40f1
5 changed files with 60 additions and 4 deletions
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25
src/netbase.cpp
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@@ -25,6 +25,14 @@ int nConnectTimeout = 5000;
static const unsigned char pchIPv4[12] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff };
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 == "i2p") return NET_I2P;
return NET_UNROUTABLE;
}
bool static LookupIntern(const char *pszName, std::vector<CNetAddr>& vIP, unsigned int nMaxSolutions, bool fAllowLookup)
{
vIP.clear();
@@ -688,6 +696,23 @@ bool CNetAddr::IsRoutable() const
return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || (IsRFC4193() && !IsOnionCat() && !IsGarliCat()) || IsRFC4843() || IsLocal());
}
enum Network CNetAddr::GetNetwork() const
{
if (!IsRoutable())
return NET_UNROUTABLE;
if (IsIPv4())
return NET_IPV4;
if (IsOnionCat())
return NET_TOR;
if (IsGarliCat())
return NET_I2P;
return NET_IPV6;
}
std::string CNetAddr::ToStringIP() const
{
if (IsIPv4())