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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2019-09-24 13:08:25 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2019-09-25 16:00:43 +0000 |
| commit | 3455efafa812d646f2eea42db14b761f34975147 (patch) | |
| tree | dffe8ec81dc709f86bbb004017aca3dfa77efa30 /src/cryptonote_protocol/cryptonote_protocol_handler.inl | |
| parent | Merge pull request #5928 (diff) | |
| download | monero-3455efafa812d646f2eea42db14b761f34975147.tar.xz | |
ban peers sending bad pow outright
PoW is expensive to verify, so be strict
Diffstat (limited to 'src/cryptonote_protocol/cryptonote_protocol_handler.inl')
| -rw-r--r-- | src/cryptonote_protocol/cryptonote_protocol_handler.inl | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/cryptonote_protocol/cryptonote_protocol_handler.inl b/src/cryptonote_protocol/cryptonote_protocol_handler.inl index 82f9f96a0..32f5c81ec 100644 --- a/src/cryptonote_protocol/cryptonote_protocol_handler.inl +++ b/src/cryptonote_protocol/cryptonote_protocol_handler.inl @@ -475,7 +475,7 @@ namespace cryptonote if(bvc.m_verifivation_failed) { LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection"); - drop_connection(context, true, false); + drop_connection_with_score(context, bvc.m_bad_pow ? P2P_IP_FAILS_BEFORE_BLOCK : 1, false); return 1; } if(bvc.m_added_to_main_chain) @@ -748,7 +748,7 @@ namespace cryptonote if( bvc.m_verifivation_failed ) { LOG_PRINT_CCONTEXT_L0("Block verification failed, dropping connection"); - drop_connection(context, true, false); + drop_connection_with_score(context, bvc.m_bad_pow ? P2P_IP_FAILS_BEFORE_BLOCK : 1, false); return 1; } if( bvc.m_added_to_main_chain ) @@ -1309,7 +1309,7 @@ namespace cryptonote { if (!m_p2p->for_connection(span_connection_id, [&](cryptonote_connection_context& context, nodetool::peerid_type peer_id, uint32_t f)->bool{ LOG_PRINT_CCONTEXT_L1("Block verification failed, dropping connection"); - drop_connection(context, true, true); + drop_connection_with_score(context, bvc.m_bad_pow ? P2P_IP_FAILS_BEFORE_BLOCK : 1, true); return 1; })) LOG_ERROR_CCONTEXT("span connection id not found"); @@ -2305,14 +2305,14 @@ skip: } //------------------------------------------------------------------------------------------------------------------------ template<class t_core> - void t_cryptonote_protocol_handler<t_core>::drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans) + void t_cryptonote_protocol_handler<t_core>::drop_connection_with_score(cryptonote_connection_context &context, unsigned score, bool flush_all_spans) { LOG_DEBUG_CC(context, "dropping connection id " << context.m_connection_id << " (pruning seed " << epee::string_tools::to_string_hex(context.m_pruning_seed) << - "), add_fail " << add_fail << ", flush_all_spans " << flush_all_spans); + "), score " << score << ", flush_all_spans " << flush_all_spans); - if (add_fail) - m_p2p->add_host_fail(context.m_remote_address); + if (score > 0) + m_p2p->add_host_fail(context.m_remote_address, score); m_block_queue.flush_spans(context.m_connection_id, flush_all_spans); @@ -2320,6 +2320,12 @@ skip: } //------------------------------------------------------------------------------------------------------------------------ template<class t_core> + void t_cryptonote_protocol_handler<t_core>::drop_connection(cryptonote_connection_context &context, bool add_fail, bool flush_all_spans) + { + return drop_connection_with_score(context, add_fail ? 1 : 0, flush_all_spans); + } + //------------------------------------------------------------------------------------------------------------------------ + template<class t_core> void t_cryptonote_protocol_handler<t_core>::on_connection_close(cryptonote_connection_context &context) { uint64_t target = 0; |