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select introducers randomly. More logging for RelayIntro

pull/1786/head
orignal 2 years ago
parent
commit
71766ecd16
  1. 22
      libi2pd/SSU2.cpp
  2. 6
      libi2pd/SSU2Session.cpp

22
libi2pd/SSU2.cpp

@ -6,6 +6,7 @@ @@ -6,6 +6,7 @@
* See full license text in LICENSE file at top of project tree
*/
#include <random>
#include "Log.h"
#include "RouterContext.h"
#include "Transports.h"
@ -576,15 +577,24 @@ namespace transport @@ -576,15 +577,24 @@ namespace transport
auto ts = i2p::util::GetSecondsSinceEpoch ();
std::shared_ptr<i2p::data::RouterInfo> r;
uint32_t relayTag = 0;
for (auto& it: address->ssu->introducers)
if (!address->ssu->introducers.empty ())
{
if (it.iTag && ts < it.iExp)
std::vector<int> indicies;
for (int i = 0; i < (int)address->ssu->introducers.size (); i++) indicies.push_back(i);
if (indicies.size () > 1)
std::shuffle (indicies.begin(), indicies.end(), std::mt19937(std::random_device()()));
for (auto i: indicies)
{
r = i2p::data::netdb.FindRouter (it.iKey);
if (r && r->IsReachableFrom (i2p::context.GetRouterInfo ()))
const auto& introducer = address->ssu->introducers[indicies[i]];
if (introducer.iTag && ts < introducer.iExp)
{
relayTag = it.iTag;
if (relayTag) break;
r = i2p::data::netdb.FindRouter (introducer.iKey);
if (r && r->IsReachableFrom (i2p::context.GetRouterInfo ()))
{
relayTag = introducer.iTag;
if (relayTag) break;
}
}
}
}

6
libi2pd/SSU2Session.cpp

@ -1070,6 +1070,7 @@ namespace transport @@ -1070,6 +1070,7 @@ namespace transport
const uint8_t * introKey, uint64_t token)
{
// we are Charlie
LogPrint (eLogDebug, "SSU2: Sending HolePunch to ", ep);
Header header;
uint8_t h[32], payload[SSU2_MAX_PACKET_SIZE];
// fill packet
@ -1641,11 +1642,14 @@ namespace transport @@ -1641,11 +1642,14 @@ namespace transport
SendHolePunch (bufbe32toh (buf + 33), ep, addr->i, token);
}
else
{
LogPrint (eLogWarning, "SSU2: RelayIntro unsupported address");
code = eSSU2RelayResponseCodeCharlieUnsupportedAddress;
}
}
else
{
LogPrint (eLogWarning, "SSU2: RelayInfo unknown address");
LogPrint (eLogWarning, "SSU2: RelayIntro unknown address");
code = eSSU2RelayResponseCodeCharlieAliceIsUnknown;
}
}

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