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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include "mongo/base/string_data.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/cluster_auth_mode.h"
#include "mongo/db/auth/security_file.h"
#include "mongo/db/auth/security_key.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
class TestFile {
TestFile(TestFile&) = delete;
TestFile& operator=(TestFile&) = delete;
public:
TestFile(StringData contents, bool fixPerms = true) : _path(boost::filesystem::unique_path()) {
boost::filesystem::ofstream stream(_path, std::ios_base::out | std::ios_base::trunc);
ASSERT_TRUE(stream.good());
stream.write(contents.rawData(), contents.size());
stream.close();
if (fixPerms) {
const auto perms = boost::filesystem::owner_read | boost::filesystem::owner_write;
boost::filesystem::permissions(_path, perms);
}
}
~TestFile() {
ASSERT_TRUE(boost::filesystem::remove(_path));
}
const boost::filesystem::path& path() const {
return _path;
}
private:
boost::filesystem::path _path;
};
struct TestCase {
enum class FailureMode { Success, Permissions, Parsing, SecurityKeyConstraint };
TestCase(StringData contents_,
std::initializer_list<std::string> expected_,
FailureMode mode_ = FailureMode::Success)
: fileContents(contents_.toString()), expected(expected_), mode(mode_) {}
std::string fileContents;
std::vector<std::string> expected;
FailureMode mode = FailureMode::Success;
};
StringData longKeyMaker() {
static const auto longKey = [] {
std::array<char, 1026> ret;
ret.fill('a');
return ret;
}();
return StringData(longKey.data(), longKey.size());
}
std::initializer_list<TestCase> testCases = {
// Our good ole insecure key
{"foop de doop", {"foopdedoop"}},
// Basic whitespace stripping gets done correctly
{"foop\nde\ndoop", {"foopdedoop"}},
// A more complex base64 character set key
{"G92sqe/Y9Nn92fU1M8Q=cIKI", {"G92sqe/Y9Nn92fU1M8Q=cIKI"}},
// A more complex base64 character set key with a ludicrous amount of whitespace
{"G 9\n2\ts\rq\ne\n/\tY 9\rN\nn\r\n9\n2fU1M8Q=cIKI", {"G92sqe/Y9Nn92fU1M8Q=cIKI"}},
// A more complex base64 character set key with YAML escaped whitespace in it
{"\"G 9\\n2\\ts\\rq\\ne\\n/\\tY 9\\rN\\nn\\r\\n9\\n2fU1M8Q=cIKI\"",
{"G92sqe/Y9Nn92fU1M8Q=cIKI"}},
// An array of keys with ludicrous embedded whitespace in one (use the leading '-' array
// YAML format)
{"- \"foop de doop\"\n- \"G 9\\n2\\ts\\rq\\ne\\n/\\tY 9\\rN\\nn\\r\\n9\\n2fU1M8Q=cIKI\"",
{"foopdedoop", "G92sqe/Y9Nn92fU1M8Q=cIKI"}},
// An array of keys with the JSON-like YAML array format
{"[ \"foop de doop\", \"other key\" ]", {"foopdedoop", "otherkey"}},
// An empty file doesn't parse correctly
{"", {}, TestCase::FailureMode::Parsing},
// An empty array doesn't parse correctly
{"[]", {}, TestCase::FailureMode::Parsing},
// Invalid base64 characters don't parse correctly
{"*xjy23`~/?", {}, TestCase::FailureMode::Parsing},
// Raw binary data shouldn't parse correctly
{"\x20\xfe\x04\x56\0\x34 foop de doop", {}, TestCase::FailureMode::Parsing},
// A file with bad permissions doesn't parse correctly
{"", {}, TestCase::FailureMode::Permissions},
// These two keys should pass the security file parsing, but fail loading them as
// security keys because they are too short or two long
{"abc", {"abc"}, TestCase::FailureMode::SecurityKeyConstraint},
{longKeyMaker(), {longKeyMaker().toString()}, TestCase::FailureMode::SecurityKeyConstraint}};
TEST(SecurityFile, Test) {
for (const auto& testCase : testCases) {
TestFile file(testCase.fileContents, testCase.mode != TestCase::FailureMode::Permissions);
auto swKeys = readSecurityFile(file.path().string());
if (testCase.mode == TestCase::FailureMode::Success ||
testCase.mode == TestCase::FailureMode::SecurityKeyConstraint) {
ASSERT_OK(swKeys.getStatus());
} else {
ASSERT_NOT_OK(swKeys.getStatus());
continue;
}
auto keys = std::move(swKeys.getValue());
ASSERT_EQ(keys.size(), testCase.expected.size());
for (size_t i = 0; i < keys.size(); i++) {
ASSERT_EQ(keys.at(i), testCase.expected.at(i));
}
}
}
TEST(SecurityKey, Test) {
UserRequest systemLocal(UserName("__system"_sd, "local"_sd), boost::none);
internalSecurity.setUser(std::make_shared<UserHandle>(User(systemLocal)));
for (const auto& testCase : testCases) {
TestFile file(testCase.fileContents, testCase.mode != TestCase::FailureMode::Permissions);
if (testCase.mode == TestCase::FailureMode::Success) {
ASSERT_TRUE(setUpSecurityKey(file.path().string(), ClusterAuthMode::keyFile()));
} else {
ASSERT_FALSE(setUpSecurityKey(file.path().string(), ClusterAuthMode::keyFile()));
}
}
}
} // namespace
} // namespace mongo
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