aboutsummaryrefslogtreecommitdiff
path: root/src/cryptonote_protocol/cryptonote_protocol_handler.inl
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/cryptonote_protocol/cryptonote_protocol_handler.inl18
1 files changed, 14 insertions, 4 deletions
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
index f8e032fde..ef3ea837d 100644
--- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl
+++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl
@@ -927,7 +927,19 @@ namespace cryptonote
return 1;
}
- relay_method tx_relay;
+ /* If the txes were received over i2p/tor, the default is to "forward"
+ with a randomized delay to further enhance the "white noise" behavior,
+ potentially making it harder for ISP-level spies to determine which
+ inbound link sent the tx. If the sender disabled "white noise" over
+ i2p/tor, then the sender is "fluffing" (to only outbound) i2p/tor
+ connections with the `dandelionpp_fluff` flag set. The receiver (hidden
+ service) will immediately fluff in that scenario (i.e. this assumes that a
+ sybil spy will be unable to link an IP to an i2p/tor connection). */
+
+ const epee::net_utils::zone zone = context.m_remote_address.get_zone();
+ relay_method tx_relay = zone == epee::net_utils::zone::public_ ?
+ relay_method::stem : relay_method::forward;
+
std::vector<blobdata> stem_txs{};
std::vector<blobdata> fluff_txs{};
if (arg.dandelionpp_fluff)
@@ -936,10 +948,7 @@ namespace cryptonote
fluff_txs.reserve(arg.txs.size());
}
else
- {
- tx_relay = relay_method::stem;
stem_txs.reserve(arg.txs.size());
- }
for (auto& tx : arg.txs)
{
@@ -962,6 +971,7 @@ namespace cryptonote
fluff_txs.push_back(std::move(tx));
break;
default:
+ case relay_method::forward: // not supposed to happen here
case relay_method::none:
break;
}