unit_tests: new test for IP blocking

1 files changed, 168 insertions, 0 deletions

diff --git a/tests/unit_tests/ban.cpp b/tests/unit_tests/ban.cpp
new file mode 100644
index 000000000..79ae795b4
--- /dev/null
+++ b/tests/unit_tests/ban.cpp
@@ -0,0 +1,168 @@
+// Copyright (c) 2014-2015, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#include "gtest/gtest.h"
+#include "cryptonote_core/cryptonote_core.h"
+#include "p2p/net_node.h"
+#include "cryptonote_protocol/cryptonote_protocol_handler.h"
+
+namespace cryptonote {
+  class blockchain_storage;
+}
+
+class test_core
+{
+public:
+  void on_synchronized(){}
+  uint64_t get_current_blockchain_height() const {return 1;}
+  void set_target_blockchain_height(uint64_t) {}
+  bool init(const boost::program_options::variables_map& vm) {return true ;}
+  bool deinit(){return true;}
+  bool get_short_chain_history(std::list<crypto::hash>& ids) const { return true; }
+  bool get_stat_info(cryptonote::core_stat_info& st_inf) const {return true;}
+  bool have_block(const crypto::hash& id) const {return true;}
+  bool get_blockchain_top(uint64_t& height, crypto::hash& top_id)const{height=0;top_id=cryptonote::null_hash;return true;}
+  bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relaued) { return true; }
+  bool handle_incoming_block(const cryptonote::blobdata& block_blob, cryptonote::block_verification_context& bvc, bool update_miner_blocktemplate = true) { return true; }
+  void pause_mine(){}
+  void resume_mine(){}
+  bool on_idle(){return true;}
+  bool find_blockchain_supplement(const std::list<crypto::hash>& qblock_ids, cryptonote::NOTIFY_RESPONSE_CHAIN_ENTRY::request& resp){return true;}
+  bool handle_get_objects(cryptonote::NOTIFY_REQUEST_GET_OBJECTS::request& arg, cryptonote::NOTIFY_RESPONSE_GET_OBJECTS::request& rsp, cryptonote::cryptonote_connection_context& context){return true;}
+  cryptonote::blockchain_storage &get_blockchain_storage() { throw std::runtime_error("Called invalid member function: please never call get_blockchain_storage on the TESTING class test_core."); }
+  bool get_test_drop_download() const {return true;}
+  bool get_test_drop_download_height() const {return true;}
+  bool prepare_handle_incoming_blocks(const std::list<cryptonote::block_complete_entry>  &blocks) { return true; }
+  bool cleanup_handle_incoming_blocks(bool force_sync = false) { return true; }
+  uint64_t get_target_blockchain_height() const { return 1; }
+};
+
+typedef nodetool::node_server<cryptonote::t_cryptonote_protocol_handler<test_core>> Server;
+
+static bool is_blocked(Server &server, uint32_t ip, time_t *t = NULL)
+{
+  std::map<uint32_t, time_t> ips = server.get_blocked_ips();
+  for (auto rec: ips)
+  {
+    if (rec.first == ip)
+    {
+      if (t)
+        *t = rec.second;
+      return true;
+    }
+  }
+  return false;
+}
+
+TEST(ban, add)
+{
+  test_core pr_core;
+  cryptonote::t_cryptonote_protocol_handler<test_core> cprotocol(pr_core, NULL);
+  Server server(cprotocol);
+  cprotocol.set_p2p_endpoint(&server);
+
+  // starts empty
+  ASSERT_TRUE(server.get_blocked_ips().empty());
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // add an IP
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // add the same, should not change
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // remove an unblocked IP, should not change
+  ASSERT_FALSE(server.unblock_ip(MAKE_IP(1,2,3,5)));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // remove the IP, ends up empty
+  ASSERT_TRUE(server.unblock_ip(MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 0);
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // remove the IP from an empty list, still empty
+  ASSERT_FALSE(server.unblock_ip(MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 0);
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // add two for known amounts of time, they're both blocked
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4), 1));
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,5), 3));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 2);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,5)));
+  ASSERT_TRUE(server.unblock_ip(MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(server.unblock_ip(MAKE_IP(1,2,3,5)));
+
+  // these tests would need to call is_remote_ip_allowed, which is private
+#if 0
+  // after two seconds, the first IP is unblocked, but not the second yet
+  sleep(2);
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,5)));
+
+  // after two more seconds, the second IP is also unblocked
+  sleep(2);
+  ASSERT_TRUE(server.get_blocked_ips().size() == 0);
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,4)));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+#endif
+
+  // add an IP again, then re-ban for longer, then shorter
+  time_t t;
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4), 2));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4), &t));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+  ASSERT_TRUE(t >= 1);
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4), 9));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4), &t));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+  ASSERT_TRUE(t >= 8);
+  ASSERT_TRUE(server.block_ip(MAKE_IP(1,2,3,4), 5));
+  ASSERT_TRUE(server.get_blocked_ips().size() == 1);
+  ASSERT_TRUE(is_blocked(server,MAKE_IP(1,2,3,4), &t));
+  ASSERT_FALSE(is_blocked(server,MAKE_IP(1,2,3,5)));
+  ASSERT_TRUE(t >= 4);
+}
+