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471 lines
14 KiB
C++
471 lines
14 KiB
C++
// Copyright (c) 2014-2016, 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 "net/http_auth.h"
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#include <boost/algorithm/string/predicate.hpp>
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#include <boost/fusion/adapted/std_pair.hpp>
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#include <boost/range/algorithm/find_if.hpp>
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#include <boost/range/iterator_range_core.hpp>
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#include <boost/spirit/include/karma_char.hpp>
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#include <boost/spirit/include/karma_list.hpp>
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#include <boost/spirit/include/karma_generate.hpp>
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#include <boost/spirit/include/karma_right_alignment.hpp>
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#include <boost/spirit/include/karma_sequence.hpp>
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#include <boost/spirit/include/karma_string.hpp>
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#include <boost/spirit/include/karma_uint.hpp>
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#include <boost/spirit/include/qi_alternative.hpp>
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#include <boost/spirit/include/qi_char.hpp>
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#include <boost/spirit/include/qi_char_class.hpp>
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#include <boost/spirit/include/qi_difference.hpp>
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#include <boost/spirit/include/qi_eoi.hpp>
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#include <boost/spirit/include/qi_list.hpp>
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#include <boost/spirit/include/qi_parse.hpp>
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#include <boost/spirit/include/qi_plus.hpp>
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#include <boost/spirit/include/qi_sequence.hpp>
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#include <boost/spirit/include/qi_string.hpp>
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#include <cstdint>
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#include <iterator>
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#include <string>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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#include "md5_l.h"
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#include "string_tools.h"
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namespace {
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using fields = std::unordered_map<std::string, std::string>;
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using auth_responses = std::vector<fields>;
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std::string quoted(std::string str)
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{
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str.insert(str.begin(), '"');
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str.push_back('"');
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return str;
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}
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epee::net_utils::http::http_request_info make_request(const fields& args)
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{
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namespace karma = boost::spirit::karma;
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std::string out{" DIGEST "};
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karma::generate(
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std::back_inserter(out),
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(karma::string << " = " << karma::string) % " , ",
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args);
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epee::net_utils::http::http_request_info request{};
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request.m_http_method_str = "NOP";
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request.m_header_info.m_etc_fields.push_back(
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std::make_pair(u8"authorization", std::move(out))
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);
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return request;
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}
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bool has_same_fields(const auth_responses& in)
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{
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const std::vector<std::string> check{u8"nonce", u8"qop", u8"realm", u8"stale"};
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auto current = in.begin();
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const auto end = in.end();
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if (current == end)
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return true;
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++current;
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for ( ; current != end; ++current )
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{
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for (const auto& field : check)
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{
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const std::string& expected = in[0].at(field);
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const std::string& actual = current->at(field);
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EXPECT_EQ(expected, actual);
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if (expected != actual)
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return false;
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}
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}
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return true;
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}
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bool is_unauthorized(const epee::net_utils::http::http_response_info& response)
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{
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EXPECT_EQ(401, response.m_response_code);
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EXPECT_STREQ(u8"Unauthorized", response.m_response_comment.c_str());
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EXPECT_STREQ(u8"text/html", response.m_mime_tipe.c_str());
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return response.m_response_code == 401 &&
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response.m_response_comment == u8"Unauthorized" &&
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response.m_mime_tipe == u8"text/html";
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}
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auth_responses parse_response(const epee::net_utils::http::http_response_info& response)
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{
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namespace qi = boost::spirit::qi;
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auth_responses result{};
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const auto end = response.m_additional_fields.end();
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for (auto current = response.m_additional_fields.begin(); current != end; ++current)
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{
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current = std::find_if(current, end, [] (const std::pair<std::string, std::string>& field) {
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return boost::iequals(u8"www-authenticate", field.first);
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});
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if (current == end)
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return result;
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std::unordered_map<std::string, std::string> fields{};
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const bool rc = qi::parse(
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current->second.begin(), current->second.end(),
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qi::lit(u8"Digest ") >> ((
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+qi::ascii::alpha >>
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qi::lit('=') >> (
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(qi::lit('"') >> +(qi::ascii::char_ - '"') >> qi::lit('"')) |
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+(qi::ascii::graph - qi::ascii::char_(u8"()<>@,;:\\\"/[]?={}"))
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)
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) % ','
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) >> qi::eoi,
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fields
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);
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if (rc)
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result.push_back(std::move(fields));
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}
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return result;
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}
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std::string md5_hex(const std::string& in)
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{
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md5::MD5_CTX ctx{};
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md5::MD5Init(std::addressof(ctx));
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md5::MD5Update(
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std::addressof(ctx),
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reinterpret_cast<const std::uint8_t*>(in.data()),
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in.size()
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);
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std::array<std::uint8_t, 16> digest{{}};
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md5::MD5Final(digest.data(), std::addressof(ctx));
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return epee::string_tools::pod_to_hex(digest);
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}
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std::string get_a1(const epee::net_utils::http::http_auth::login& user, const auth_responses& responses)
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{
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const std::string& realm = responses.at(0).at(u8"realm");
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return boost::join(
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std::vector<std::string>{user.username, realm, user.password}, u8":"
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);
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}
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std::string get_a1_sess(const epee::net_utils::http::http_auth::login& user, const std::string& cnonce, const auth_responses& responses)
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{
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const std::string& nonce = responses.at(0).at(u8"nonce");
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return boost::join(
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std::vector<std::string>{md5_hex(get_a1(user, responses)), nonce, cnonce}, u8":"
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);
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}
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std::string get_a2(const std::string& uri)
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{
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return boost::join(std::vector<std::string>{"NOP", uri}, u8":");
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}
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std::string get_nc(std::uint32_t count)
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{
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namespace karma = boost::spirit::karma;
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std::string out;
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karma::generate(
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std::back_inserter(out),
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karma::right_align(8, '0')[karma::uint_generator<std::uint32_t, 16>{}],
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count
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);
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return out;
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}
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}
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TEST(HTTP_Auth, NotRequired)
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{
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epee::net_utils::http::http_auth auth{};
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EXPECT_FALSE(auth.get_response(epee::net_utils::http::http_request_info{}));
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}
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TEST(HTTP_Auth, MissingAuth)
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{
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epee::net_utils::http::http_auth auth{{"foo", "bar"}};
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EXPECT_TRUE(bool(auth.get_response(epee::net_utils::http::http_request_info{})));
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{
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epee::net_utils::http::http_request_info request{};
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request.m_header_info.m_etc_fields.push_back({"\xFF", "\xFF"});
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EXPECT_TRUE(bool(auth.get_response(request)));
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}
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}
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TEST(HTTP_Auth, BadSyntax)
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{
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epee::net_utils::http::http_auth auth{{"foo", "bar"}};
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EXPECT_TRUE(bool(auth.get_response(make_request({{u8"algorithm", "fo\xFF"}}))));
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EXPECT_TRUE(bool(auth.get_response(make_request({{u8"cnonce", "\"000\xFF\""}}))));
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EXPECT_TRUE(bool(auth.get_response(make_request({{u8"cnonce \xFF =", "\"000\xFF\""}}))));
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EXPECT_TRUE(bool(auth.get_response(make_request({{u8" \xFF cnonce", "\"000\xFF\""}}))));
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}
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TEST(HTTP_Auth, MD5)
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{
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epee::net_utils::http::http_auth::login user{"foo", "bar"};
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epee::net_utils::http::http_auth auth{user};
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const auto response = auth.get_response(make_request({}));
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ASSERT_TRUE(bool(response));
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EXPECT_TRUE(is_unauthorized(*response));
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const auto fields = parse_response(*response);
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ASSERT_LE(2u, fields.size());
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EXPECT_TRUE(has_same_fields(fields));
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const std::string& nonce = fields[0].at(u8"nonce");
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EXPECT_EQ(24, nonce.size());
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const std::string uri{"/some_foo_thing"};
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const std::string a1 = get_a1(user, fields);
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const std::string a2 = get_a2(uri);
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const std::string auth_code = md5_hex(
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boost::join(std::vector<std::string>{md5_hex(a1), nonce, md5_hex(a2)}, u8":")
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);
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const auto request = make_request({
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{u8"nonce", quoted(nonce)},
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{u8"realm", quoted(fields[0].at(u8"realm"))},
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{u8"response", quoted(auth_code)},
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{u8"uri", quoted(uri)},
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{u8"username", quoted(user.username)}
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});
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EXPECT_FALSE(bool(auth.get_response(request)));
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const auto response2 = auth.get_response(request);
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ASSERT_TRUE(bool(response2));
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EXPECT_TRUE(is_unauthorized(*response2));
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const auto fields2 = parse_response(*response2);
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ASSERT_LE(2u, fields2.size());
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EXPECT_TRUE(has_same_fields(fields2));
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EXPECT_NE(nonce, fields2[0].at(u8"nonce"));
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EXPECT_STREQ(u8"true", fields2[0].at(u8"stale").c_str());
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}
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TEST(HTTP_Auth, MD5_sess)
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{
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constexpr const char cnonce[] = "not a good cnonce";
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epee::net_utils::http::http_auth::login user{"foo", "bar"};
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epee::net_utils::http::http_auth auth{user};
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const auto response = auth.get_response(make_request({}));
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ASSERT_TRUE(bool(response));
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EXPECT_TRUE(is_unauthorized(*response));
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const auto fields = parse_response(*response);
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ASSERT_LE(2u, fields.size());
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EXPECT_TRUE(has_same_fields(fields));
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const std::string& nonce = fields[0].at(u8"nonce");
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EXPECT_EQ(24, nonce.size());
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const std::string uri{"/some_foo_thing"};
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const std::string a1 = get_a1_sess(user, cnonce, fields);
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const std::string a2 = get_a2(uri);
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const std::string auth_code = md5_hex(
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boost::join(std::vector<std::string>{md5_hex(a1), nonce, md5_hex(a2)}, u8":")
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);
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const auto request = make_request({
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{u8"algorithm", u8"md5-sess"},
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{u8"cnonce", quoted(cnonce)},
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{u8"nonce", quoted(nonce)},
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{u8"realm", quoted(fields[0].at(u8"realm"))},
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{u8"response", quoted(auth_code)},
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{u8"uri", quoted(uri)},
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{u8"username", quoted(user.username)}
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});
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EXPECT_FALSE(bool(auth.get_response(request)));
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const auto response2 = auth.get_response(request);
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ASSERT_TRUE(bool(response2));
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EXPECT_TRUE(is_unauthorized(*response2));
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const auto fields2 = parse_response(*response2);
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ASSERT_LE(2u, fields2.size());
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EXPECT_TRUE(has_same_fields(fields2));
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EXPECT_NE(nonce, fields2[0].at(u8"nonce"));
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EXPECT_STREQ(u8"true", fields2[0].at(u8"stale").c_str());
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}
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TEST(HTTP_Auth, MD5_auth)
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{
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constexpr const char cnonce[] = "not a nonce";
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constexpr const char qop[] = "auth";
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epee::net_utils::http::http_auth::login user{"foo", "bar"};
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epee::net_utils::http::http_auth auth{user};
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const auto response = auth.get_response(make_request({}));
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ASSERT_TRUE(bool(response));
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EXPECT_TRUE(is_unauthorized(*response));
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const auto parsed = parse_response(*response);
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ASSERT_LE(2u, parsed.size());
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EXPECT_TRUE(has_same_fields(parsed));
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const std::string& nonce = parsed[0].at(u8"nonce");
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EXPECT_EQ(24, nonce.size());
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const std::string uri{"/some_foo_thing"};
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const std::string a1 = get_a1(user, parsed);
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const std::string a2 = get_a2(uri);
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std::string nc = get_nc(1);
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const auto generate_auth = [&] {
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return md5_hex(
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boost::join(
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std::vector<std::string>{md5_hex(a1), nonce, nc, cnonce, qop, md5_hex(a2)}, u8":"
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)
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);
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};
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fields args{
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{u8"algorithm", quoted(u8"md5")},
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{u8"cnonce", quoted(cnonce)},
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{u8"nc", nc},
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{u8"nonce", quoted(nonce)},
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{u8"qop", quoted(qop)},
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{u8"realm", quoted(parsed[0].at(u8"realm"))},
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{u8"response", quoted(generate_auth())},
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{u8"uri", quoted(uri)},
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{u8"username", quoted(user.username)}
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};
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const auto request = make_request(args);
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EXPECT_FALSE(bool(auth.get_response(request)));
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for (unsigned i = 2; i < 20; ++i)
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{
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nc = get_nc(i);
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args.at(u8"nc") = nc;
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args.at(u8"response") = quoted(generate_auth());
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EXPECT_FALSE(auth.get_response(make_request(args)));
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}
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const auto replay = auth.get_response(request);
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ASSERT_TRUE(bool(replay));
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EXPECT_TRUE(is_unauthorized(*replay));
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const auto parsed_replay = parse_response(*replay);
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ASSERT_LE(2u, parsed_replay.size());
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EXPECT_TRUE(has_same_fields(parsed_replay));
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EXPECT_NE(nonce, parsed_replay[0].at(u8"nonce"));
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EXPECT_STREQ(u8"true", parsed_replay[0].at(u8"stale").c_str());
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}
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TEST(HTTP_Auth, MD5_sess_auth)
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{
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constexpr const char cnonce[] = "not a nonce";
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constexpr const char qop[] = "auth";
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epee::net_utils::http::http_auth::login user{"foo", "bar"};
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epee::net_utils::http::http_auth auth{user};
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const auto response = auth.get_response(make_request({}));
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ASSERT_TRUE(bool(response));
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EXPECT_TRUE(is_unauthorized(*response));
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const auto parsed = parse_response(*response);
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ASSERT_LE(2u, parsed.size());
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EXPECT_TRUE(has_same_fields(parsed));
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const std::string& nonce = parsed[0].at(u8"nonce");
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EXPECT_EQ(24, nonce.size());
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const std::string uri{"/some_foo_thing"};
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const std::string a1 = get_a1_sess(user, cnonce, parsed);
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const std::string a2 = get_a2(uri);
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std::string nc = get_nc(1);
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const auto generate_auth = [&] {
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return md5_hex(
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boost::join(
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std::vector<std::string>{md5_hex(a1), nonce, nc, cnonce, qop, md5_hex(a2)}, u8":"
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)
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);
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};
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fields args{
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{u8"algorithm", u8"md5-sess"},
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{u8"cnonce", quoted(cnonce)},
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{u8"nc", nc},
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{u8"nonce", quoted(nonce)},
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{u8"qop", qop},
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{u8"realm", quoted(parsed[0].at(u8"realm"))},
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{u8"response", quoted(generate_auth())},
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{u8"uri", quoted(uri)},
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{u8"username", quoted(user.username)}
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};
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const auto request = make_request(args);
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EXPECT_FALSE(bool(auth.get_response(request)));
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for (unsigned i = 2; i < 20; ++i)
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{
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nc = get_nc(i);
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args.at(u8"nc") = nc;
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args.at(u8"response") = quoted(generate_auth());
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EXPECT_FALSE(auth.get_response(make_request(args)));
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}
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const auto replay = auth.get_response(request);
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ASSERT_TRUE(bool(replay));
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EXPECT_TRUE(is_unauthorized(*replay));
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const auto parsed_replay = parse_response(*replay);
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ASSERT_LE(2u, parsed_replay.size());
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EXPECT_TRUE(has_same_fields(parsed_replay));
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EXPECT_NE(nonce, parsed_replay[0].at(u8"nonce"));
|
|
EXPECT_STREQ(u8"true", parsed_replay[0].at(u8"stale").c_str());
|
|
}
|