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Merge pull request #8878
8dc4abd
common: do not use DNS to determine if address is local (tobtoht)
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commit
9f8ae9649a
@ -882,13 +882,6 @@ std::string get_nix_version_display_string()
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bool is_local_address(const std::string &address)
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{
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// always assume Tor/I2P addresses to be untrusted by default
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if (is_privacy_preserving_network(address))
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{
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MDEBUG("Address '" << address << "' is Tor/I2P, non local");
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return false;
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}
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// extract host
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epee::net_utils::http::url_content u_c;
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if (!epee::net_utils::parse_url(address, u_c))
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@ -902,20 +895,22 @@ std::string get_nix_version_display_string()
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return false;
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}
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// resolve to IP
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boost::asio::io_service io_service;
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boost::asio::ip::tcp::resolver resolver(io_service);
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boost::asio::ip::tcp::resolver::query query(u_c.host, "");
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boost::asio::ip::tcp::resolver::iterator i = resolver.resolve(query);
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while (i != boost::asio::ip::tcp::resolver::iterator())
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if (u_c.host == "localhost" || boost::ends_with(u_c.host, ".localhost")) { // RFC 6761 (6.3)
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MDEBUG("Address '" << address << "' is local");
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return true;
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}
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boost::system::error_code ec;
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const auto parsed_ip = boost::asio::ip::address::from_string(u_c.host, ec);
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if (ec) {
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MDEBUG("Failed to parse '" << address << "' as IP address: " << ec.message() << ". Considering it not local");
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return false;
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}
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if (parsed_ip.is_loopback())
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{
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const boost::asio::ip::tcp::endpoint &ep = *i;
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if (ep.address().is_loopback())
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{
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MDEBUG("Address '" << address << "' is local");
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return true;
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}
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++i;
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MDEBUG("Address '" << address << "' is local");
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return true;
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}
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MDEBUG("Address '" << address << "' is not local");
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@ -90,6 +90,7 @@ set(unit_tests_sources
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hardfork.cpp
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unbound.cpp
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uri.cpp
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util.cpp
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varint.cpp
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ver_rct_non_semantics_simple_cached.cpp
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ringct.cpp
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50
tests/unit_tests/util.cpp
Normal file
50
tests/unit_tests/util.cpp
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@ -0,0 +1,50 @@
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// Copyright (c) 2023-2023, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "gtest/gtest.h"
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#include "common/util.h"
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TEST(LocalAddress, localhost) { ASSERT_TRUE(tools::is_local_address("localhost")); }
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TEST(LocalAddress, localhost_port) { ASSERT_TRUE(tools::is_local_address("localhost:18081")); }
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TEST(LocalAddress, localhost_suffix) { ASSERT_TRUE(tools::is_local_address("test.localhost")); }
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TEST(LocalAddress, loopback) { ASSERT_TRUE(tools::is_local_address("127.0.0.1")); }
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TEST(LocalAddress, loopback_port) { ASSERT_TRUE(tools::is_local_address("127.0.0.1:18081")); }
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TEST(LocalAddress, loopback_protocol) { ASSERT_TRUE(tools::is_local_address("http://127.0.0.1")); }
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TEST(LocalAddress, loopback_hi) { ASSERT_TRUE(tools::is_local_address("127.255.255.255")); }
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TEST(LocalAddress, loopback_lo) { ASSERT_TRUE(tools::is_local_address("127.0.0.0")); }
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TEST(LocalAddress, loopback_ipv6) { ASSERT_TRUE(tools::is_local_address("[0:0:0:0:0:0:0:1]")); }
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TEST(LocalAddress, onion) { ASSERT_FALSE(tools::is_local_address("vww6ybal4bd7szmgncyruucpgfkqahzddi37ktceo3ah7ngmcopnpyyd.onion")); }
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TEST(LocalAddress, i2p) { ASSERT_FALSE(tools::is_local_address("xmrto2bturnore26xmrto2bturnore26xmrto2bturnore26xmr2.b32.i2p")); }
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TEST(LocalAddress, valid_ip) { ASSERT_FALSE(tools::is_local_address("1.2.3.4")); }
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TEST(LocalAddress, valid_ipv6) { ASSERT_FALSE(tools::is_local_address("[0:0:0:0:0:0:0:2]")); }
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TEST(LocalAddress, valid_domain) { ASSERT_FALSE(tools::is_local_address("getmonero.org")); }
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TEST(LocalAddress, local_prefix) { ASSERT_FALSE(tools::is_local_address("localhost.com")); }
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TEST(LocalAddress, invalid) { ASSERT_FALSE(tools::is_local_address("test")); }
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TEST(LocalAddress, empty) { ASSERT_FALSE(tools::is_local_address("")); }
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