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-rw-r--r--src/net/CMakeLists.txt8
-rw-r--r--src/net/error.cpp7
-rw-r--r--src/net/error.h7
-rw-r--r--src/net/i2p_address.cpp2
-rw-r--r--src/net/parse.cpp1
-rw-r--r--src/net/resolve.cpp71
-rw-r--r--src/net/resolve.h47
-rw-r--r--src/net/socks_connect.cpp1
-rw-r--r--src/net/tor_address.cpp2
9 files changed, 138 insertions, 8 deletions
diff --git a/src/net/CMakeLists.txt b/src/net/CMakeLists.txt
index afcd42ef7..e93e27bcd 100644
--- a/src/net/CMakeLists.txt
+++ b/src/net/CMakeLists.txt
@@ -26,10 +26,10 @@
# 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.
-set(net_sources dandelionpp.cpp error.cpp http.cpp i2p_address.cpp parse.cpp socks.cpp
- socks_connect.cpp tor_address.cpp zmq.cpp)
-set(net_headers dandelionpp.h error.h http.cpp i2p_address.h parse.h socks.h socks_connect.h
- tor_address.h zmq.h)
+set(net_sources dandelionpp.cpp error.cpp http.cpp i2p_address.cpp parse.cpp resolve.cpp
+ socks.cpp socks_connect.cpp tor_address.cpp zmq.cpp)
+set(net_headers dandelionpp.h error.h http.cpp i2p_address.h parse.h socks.h resolve.h
+ socks_connect.h tor_address.h zmq.h)
monero_add_library(net ${net_sources} ${net_headers})
target_link_libraries(net common epee ${ZMQ_LIB} ${Boost_ASIO_LIBRARY})
diff --git a/src/net/error.cpp b/src/net/error.cpp
index 037f44d52..d2e713bc5 100644
--- a/src/net/error.cpp
+++ b/src/net/error.cpp
@@ -47,12 +47,18 @@ namespace
{
switch (net::error(value))
{
+ case net::error::bogus_dnssec:
+ return "Invalid response signature from DNSSEC enabled domain";
+ case net::error::dns_query_failure:
+ return "Failed to retrieve desired DNS record";
case net::error::expected_tld:
return "Expected top-level domain";
case net::error::invalid_host:
return "Host value is not valid";
case net::error::invalid_i2p_address:
return "Invalid I2P address";
+ case net::error::invalid_mask:
+ return "CIDR netmask outside of 0-32 range";
case net::error::invalid_port:
return "Invalid port value (expected 0-65535)";
case net::error::invalid_tor_address:
@@ -71,6 +77,7 @@ namespace
switch (net::error(value))
{
case net::error::invalid_port:
+ case net::error::invalid_mask:
return std::errc::result_out_of_range;
case net::error::expected_tld:
case net::error::invalid_tor_address:
diff --git a/src/net/error.h b/src/net/error.h
index 7c852dd20..746eb0ecb 100644
--- a/src/net/error.h
+++ b/src/net/error.h
@@ -37,13 +37,16 @@ namespace net
enum class error : int
{
// 0 reserved for success (as per expect<T>)
- expected_tld = 1, //!< Expected a tld
+ bogus_dnssec = 1, //!< Invalid response signature from DNSSEC enabled domain
+ dns_query_failure, //!< Failed to retrieve desired DNS record
+ expected_tld, //!< Expected a tld
invalid_host, //!< Hostname is not valid
invalid_i2p_address,
+ invalid_mask, //!< Outside of 0-32 range
invalid_port, //!< Outside of 0-65535 range
invalid_tor_address,//!< Invalid base32 or length
unsupported_address,//!< Type not supported by `get_network_address`
- invalid_mask, //!< Outside of 0-32 range
+
};
//! \return `std::error_category` for `net` namespace.
diff --git a/src/net/i2p_address.cpp b/src/net/i2p_address.cpp
index 6c03b3808..ada4eb0d3 100644
--- a/src/net/i2p_address.cpp
+++ b/src/net/i2p_address.cpp
@@ -38,7 +38,7 @@
#include "net/error.h"
#include "serialization/keyvalue_serialization.h"
#include "storages/portable_storage.h"
-#include "string_tools.h"
+#include "string_tools_lexical.h"
namespace net
{
diff --git a/src/net/parse.cpp b/src/net/parse.cpp
index 8a98e941a..298576ba4 100644
--- a/src/net/parse.cpp
+++ b/src/net/parse.cpp
@@ -31,6 +31,7 @@
#include "net/tor_address.h"
#include "net/i2p_address.h"
#include "string_tools.h"
+#include "string_tools_lexical.h"
namespace net
{
diff --git a/src/net/resolve.cpp b/src/net/resolve.cpp
new file mode 100644
index 000000000..1b43cf6c4
--- /dev/null
+++ b/src/net/resolve.cpp
@@ -0,0 +1,71 @@
+// Copyright (c) 2020, 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.
+
+#include "net/resolve.h"
+
+#include <boost/utility/string_ref.hpp>
+#include "common/dns_utils.h"
+#include "common/expect.h"
+#include "net/error.h"
+
+namespace net
+{
+namespace dnssec
+{
+ expect<service_response> resolve_hostname(const std::string& addr, const std::string& tlsa_port)
+ {
+ // use basic (blocking) unbound for now, possibly refactor later
+ tools::DNSResolver& resolver = tools::DNSResolver::instance();
+
+ bool dnssec_available = false;
+ bool dnssec_valid = false;
+ std::vector<std::string> ip_records = resolver.get_ipv4(addr, dnssec_available, dnssec_valid);
+
+ if (dnssec_available && !dnssec_valid)
+ return {net::error::bogus_dnssec};
+
+ if (ip_records.empty())
+ {
+ ip_records = resolver.get_ipv6(addr, dnssec_available, dnssec_valid);
+ if (dnssec_available && !dnssec_valid)
+ return {net::error::bogus_dnssec};
+ if (ip_records.empty())
+ return {net::error::dns_query_failure};
+ }
+
+ std::vector<std::string> tlsa{};
+ if (dnssec_available && !tlsa_port.empty())
+ {
+ tlsa = resolver.get_tlsa_tcp_record(addr, tlsa_port, dnssec_available, dnssec_valid);
+ if (!dnssec_valid)
+ return {net::error::bogus_dnssec};
+ }
+ return {{std::move(ip_records), std::move(tlsa)}};
+ }
+} // dnssec
+} // net
diff --git a/src/net/resolve.h b/src/net/resolve.h
new file mode 100644
index 000000000..46bd8e617
--- /dev/null
+++ b/src/net/resolve.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2020, 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.
+
+#include <string>
+#include <vector>
+
+template<typename> class expect;
+
+namespace net
+{
+namespace dnssec
+{
+ struct service_response
+ {
+ std::vector<std::string> ip; //!< IPv4/6 records in dotted or semicolon notation
+ std::vector<std::string> tlsa; //!< DANE/TLSA records
+ };
+
+ //! \return IP + (optionally) DANE/TLSA records, failing if DNSSEC signature is "bogus"
+ expect<service_response> resolve_hostname(const std::string& addr, const std::string& tlsa_port = {});
+} // dnssec
+} // net
diff --git a/src/net/socks_connect.cpp b/src/net/socks_connect.cpp
index 9db9d4483..c797a24d4 100644
--- a/src/net/socks_connect.cpp
+++ b/src/net/socks_connect.cpp
@@ -38,6 +38,7 @@
#include "net/net_utils_base.h"
#include "net/socks.h"
#include "string_tools.h"
+#include "string_tools_lexical.h"
namespace net
{
diff --git a/src/net/tor_address.cpp b/src/net/tor_address.cpp
index 4414861e7..a04dcb042 100644
--- a/src/net/tor_address.cpp
+++ b/src/net/tor_address.cpp
@@ -38,7 +38,7 @@
#include "net/error.h"
#include "serialization/keyvalue_serialization.h"
#include "storages/portable_storage.h"
-#include "string_tools.h"
+#include "string_tools_lexical.h"
namespace net
{