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// Copyright (c) 2014-2017, 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"
#define MAKE_IPV4_ADDRESS(a,b,c,d) epee::net_utils::ipv4_network_address{MAKE_IP(a,b,c,d),0}
namespace cryptonote {
class blockchain_storage;
}
class test_core
{
public:
void on_synchronized(){}
void safesyncmode(const bool){}
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;}
void get_blockchain_top(uint64_t& height, crypto::hash& top_id)const{height=0;top_id=crypto::null_hash;}
bool handle_incoming_tx(const cryptonote::blobdata& tx_blob, cryptonote::tx_verification_context& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) { return true; }
bool handle_incoming_txs(const std::list<cryptonote::blobdata>& tx_blob, std::vector<cryptonote::tx_verification_context>& tvc, bool keeped_by_block, bool relayed, bool do_not_relay) { 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; }
size_t get_block_sync_size(uint64_t height) const { return BLOCKS_SYNCHRONIZING_DEFAULT_COUNT; }
virtual void on_transaction_relayed(const cryptonote::blobdata& tx) {}
bool get_testnet() const { return false; }
bool get_pool_transaction(const crypto::hash& id, cryptonote::blobdata& tx_blob) const { return false; }
bool pool_has_tx(const crypto::hash &txid) const { return false; }
bool get_blocks(uint64_t start_offset, size_t count, std::list<std::pair<cryptonote::blobdata, cryptonote::block>>& blocks, std::list<cryptonote::blobdata>& txs) const { return false; }
bool get_transactions(const std::vector<crypto::hash>& txs_ids, std::list<cryptonote::transaction>& txs, std::list<crypto::hash>& missed_txs) const { return false; }
bool get_block_by_hash(const crypto::hash &h, cryptonote::block &blk, bool *orphan = NULL) const { return false; }
uint8_t get_ideal_hard_fork_version(uint64_t height) const { return 0; }
uint8_t get_hard_fork_version(uint64_t height) const { return 0; }
cryptonote::difficulty_type get_block_cumulative_difficulty(uint64_t height) const { return 0; }
bool fluffy_blocks_enabled() const { return false; }
uint64_t prevalidate_block_hashes(uint64_t height, const std::list<crypto::hash> &hashes) { return 0; }
};
typedef nodetool::node_server<cryptonote::t_cryptonote_protocol_handler<test_core>> Server;
static bool is_blocked(Server &server, const epee::net_utils::network_address &address, time_t *t = NULL)
{
const std::string host = address.host_str();
std::map<std::string, time_t> hosts = server.get_blocked_hosts();
for (auto rec: hosts)
{
if (rec.first == host)
{
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_hosts().empty());
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add an IP
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add the same, should not change
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove an unblocked IP, should not change
ASSERT_FALSE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove the IP, ends up empty
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// remove the IP from an empty list, still empty
ASSERT_FALSE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// add two for known amounts of time, they're both blocked
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 1));
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,5), 3));
ASSERT_TRUE(server.get_blocked_hosts().size() == 2);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(server.unblock_host(MAKE_IPV4_ADDRESS(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_hosts().size() == 1);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
// after two more seconds, the second IP is also unblocked
sleep(2);
ASSERT_TRUE(server.get_blocked_hosts().size() == 0);
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4)));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
#endif
// add an IP again, then re-ban for longer, then shorter
time_t t;
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 2));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 1);
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 9));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 8);
ASSERT_TRUE(server.block_host(MAKE_IPV4_ADDRESS(1,2,3,4), 5));
ASSERT_TRUE(server.get_blocked_hosts().size() == 1);
ASSERT_TRUE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,4), &t));
ASSERT_FALSE(is_blocked(server,MAKE_IPV4_ADDRESS(1,2,3,5)));
ASSERT_TRUE(t >= 4);
}
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