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/*
* (C) 2014,2015 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include "tests.h"
#include <sstream>
#include <iomanip>
#include <botan/hex.h>
#include <botan/internal/filesystem.h>
#include <botan/internal/bit_ops.h>
#include <botan/internal/stl_util.h>
namespace Botan_Tests {
Test::Registration::Registration(const std::string& name, Test* test)
{
if(Test::global_registry().count(name) == 0)
{
Test::global_registry().insert(std::make_pair(name, std::unique_ptr<Test>(test)));
}
else
{
throw Test_Error("Duplicate registration of test '" + name + "'");
}
}
void Test::Result::merge(const Result& other)
{
if(who() != other.who())
throw Test_Error("Merging tests from different sources");
m_ns_taken += other.m_ns_taken;
m_tests_passed += other.m_tests_passed;
m_fail_log.insert(m_fail_log.end(), other.m_fail_log.begin(), other.m_fail_log.end());
m_log.insert(m_log.end(), other.m_log.begin(), other.m_log.end());
}
void Test::Result::start_timer()
{
if(m_started == 0)
{
m_started = Test::timestamp();
}
}
void Test::Result::end_timer()
{
if(m_started > 0)
{
m_ns_taken += Test::timestamp() - m_started;
m_started = 0;
}
}
void Test::Result::test_note(const std::string& note, const char* extra)
{
if(note != "")
{
std::ostringstream out;
out << who() << " " << note;
if(extra)
out << ": " << extra;
m_log.push_back(out.str());
}
}
void Test::Result::note_missing(const std::string& whatever)
{
static std::set<std::string> s_already_seen;
if(s_already_seen.count(whatever) == 0)
{
test_note("Skipping tests due to missing " + whatever);
s_already_seen.insert(whatever);
}
}
bool Test::Result::test_throws(const std::string& what, std::function<void ()> fn)
{
try {
fn();
return test_failure(what + " failed to throw expected exception");
}
catch(std::exception& e)
{
return test_success(what + " threw exception " + e.what());
}
catch(...)
{
return test_success(what + " threw unknown exception");
}
}
bool Test::Result::test_throws(const std::string& what, const std::string& expected, std::function<void ()> fn)
{
try {
fn();
return test_failure(what + " failed to throw expected exception");
}
catch(std::exception& e)
{
if(expected == e.what())
{
return test_success(what + " threw exception " + e.what());
}
else
{
return test_failure(what + " failed to throw an exception with the expected text:\n Expected: " + expected + "\n Got: " + e.what());
}
}
catch(...)
{
return test_failure(what + " failed to throw an exception with the expected text:\n Expected: " + expected);
}
}
bool Test::Result::test_success(const std::string& note)
{
if(Test::log_success())
{
test_note(note);
}
++m_tests_passed;
return true;
}
bool Test::Result::test_failure(const std::string& what, const std::string& error)
{
return test_failure(who() + " " + what + " with error " + error);
}
void Test::Result::test_failure(const std::string& what, const uint8_t buf[], size_t buf_len)
{
test_failure(who() + ": " + what +
" buf len " + std::to_string(buf_len) +
" value " + Botan::hex_encode(buf, buf_len));
}
bool Test::Result::test_failure(const std::string& err)
{
m_fail_log.push_back(err);
return false;
}
bool Test::Result::test_ne(const std::string& what,
const uint8_t produced[], size_t produced_len,
const uint8_t expected[], size_t expected_len)
{
if(produced_len == expected_len && Botan::same_mem(produced, expected, expected_len))
return test_failure(who() + ": " + what + " produced matching");
return test_success();
}
bool Test::Result::test_eq(const char* producer, const std::string& what,
const uint8_t produced[], size_t produced_size,
const uint8_t expected[], size_t expected_size)
{
if(produced_size == expected_size && Botan::same_mem(produced, expected, expected_size))
return test_success();
std::ostringstream err;
err << who();
if(producer)
{
err << " producer '" << producer << "'";
}
err << " unexpected result for " << what;
if(produced_size != expected_size)
{
err << " produced " << produced_size << " bytes expected " << expected_size;
}
std::vector<uint8_t> xor_diff(std::min(produced_size, expected_size));
size_t bits_different = 0;
for(size_t i = 0; i != xor_diff.size(); ++i)
{
xor_diff[i] = produced[i] ^ expected[i];
bits_different += Botan::hamming_weight(xor_diff[i]);
}
err << "\nProduced: " << Botan::hex_encode(produced, produced_size)
<< "\nExpected: " << Botan::hex_encode(expected, expected_size);
if(bits_different > 0)
{
err << "\nXOR Diff: " << Botan::hex_encode(xor_diff)
<< " (" << bits_different << " bits different)";
}
return test_failure(err.str());
}
bool Test::Result::test_is_nonempty(const std::string& what_is_it, const std::string& to_examine)
{
if(to_examine.empty())
return test_failure(what_is_it + " was empty");
return test_success();
}
bool Test::Result::test_eq(const std::string& what, const std::string& produced, const std::string& expected)
{
return test_is_eq(what, produced, expected);
}
bool Test::Result::test_eq(const std::string& what, const char* produced, const char* expected)
{
return test_is_eq(what, std::string(produced), std::string(expected));
}
bool Test::Result::test_eq(const std::string& what, size_t produced, size_t expected)
{
return test_is_eq(what, produced, expected);
}
bool Test::Result::test_eq(const std::string& what, OctetString produced, OctetString expected)
{
std::ostringstream out;
out << m_who << " " << what;
if(produced == expected)
{
out << " produced expected result " << produced.as_string();
return test_success(out.str());
}
else
{
out << " produced unexpected result " << produced.as_string() << " expected " << expected.as_string();
return test_failure(out.str());
}
}
bool Test::Result::test_lt(const std::string& what, size_t produced, size_t expected)
{
if(produced >= expected)
{
std::ostringstream err;
err << m_who << " " << what;
err << " unexpected result " << produced << " >= " << expected;
return test_failure(err.str());
}
return test_success();
}
bool Test::Result::test_gte(const std::string& what, size_t produced, size_t expected)
{
if(produced < expected)
{
std::ostringstream err;
err << m_who;
err << " " << what;
err << " unexpected result " << produced << " < " << expected;
return test_failure(err.str());
}
return test_success();
}
bool Test::Result::test_ne(const std::string& what, const std::string& str1, const std::string& str2)
{
if(str1 != str2)
{
return test_success(str1 + " != " + str2);
}
return test_failure(who() + " " + what + " produced matching strings " + str1);
}
bool Test::Result::test_ne(const std::string& what, size_t produced, size_t expected)
{
if(produced != expected)
{
return test_success();
}
std::ostringstream err;
err << who() << " " << what << " produced " << produced << " unexpected value";
return test_failure(err.str());
}
#if defined(BOTAN_HAS_BIGINT)
bool Test::Result::test_eq(const std::string& what, const BigInt& produced, const BigInt& expected)
{
return test_is_eq(what, produced, expected);
}
bool Test::Result::test_ne(const std::string& what, const BigInt& produced, const BigInt& expected)
{
if(produced != expected)
return test_success();
std::ostringstream err;
err << who() << " " << what << " produced " << produced << " prohibited value";
return test_failure(err.str());
}
#endif
#if defined(BOTAN_HAS_EC_CURVE_GFP)
bool Test::Result::test_eq(const std::string& what,
const Botan::PointGFp& a, const Botan::PointGFp& b)
{
//return test_is_eq(what, a, b);
if(a == b)
return test_success();
std::ostringstream err;
err << who() << " " << what << " a=(" << a.get_affine_x() << "," << a.get_affine_y() << ")"
<< " b=(" << b.get_affine_x() << "," << b.get_affine_y();
return test_failure(err.str());
}
#endif
bool Test::Result::test_eq(const std::string& what, bool produced, bool expected)
{
return test_is_eq(what, produced, expected);
}
bool Test::Result::test_rc(const std::string& func, int expected, int rc)
{
if(expected != rc)
{
std::ostringstream err;
err << m_who;
err << " call to " << func << " unexpectedly returned " << rc;
err << " but expecting " << expected;
return test_failure(err.str());
}
return test_success();
}
//static
std::string Test::format_time(uint64_t ns)
{
std::ostringstream o;
if(ns > 1000000000)
{
o << std::setprecision(2) << std::fixed << ns/1000000000.0 << " sec";
}
else
{
o << std::setprecision(2) << std::fixed << ns/1000000.0 << " msec";
}
return o.str();
}
std::string Test::Result::result_string(bool verbose) const
{
if(tests_run() == 0 && !verbose)
return "";
std::ostringstream report;
report << who() << " ran ";
if(tests_run() == 0)
{
report << "ZERO";
}
else
{
report << tests_run();
}
report << " tests";
if(m_ns_taken > 0)
{
report << " in " << format_time(m_ns_taken);
}
if(tests_failed())
{
report << " " << tests_failed() << " FAILED";
}
else
{
report << " all ok";
}
report << "\n";
for(size_t i = 0; i != m_fail_log.size(); ++i)
{
report << "Failure " << (i+1) << ": " << m_fail_log[i] << "\n";
}
if(m_fail_log.size() > 0 || tests_run() == 0)
{
for(size_t i = 0; i != m_log.size(); ++i)
{
report << "Note " << (i+1) << ": " << m_log[i] << "\n";
}
}
return report.str();
}
// static Test:: functions
//static
std::map<std::string, std::unique_ptr<Test>>& Test::global_registry()
{
static std::map<std::string, std::unique_ptr<Test>> g_test_registry;
return g_test_registry;
}
//static
uint64_t Test::timestamp()
{
auto now = std::chrono::high_resolution_clock::now().time_since_epoch();
return std::chrono::duration_cast<std::chrono::nanoseconds>(now).count();
}
//static
std::set<std::string> Test::registered_tests()
{
return Botan::map_keys_as_set(Test::global_registry());
}
//static
Test* Test::get_test(const std::string& test_name)
{
auto i = Test::global_registry().find(test_name);
if(i != Test::global_registry().end())
return i->second.get();
return nullptr;
}
//static
std::vector<Test::Result> Test::run_test(const std::string& test_name, bool fail_if_missing)
{
std::vector<Test::Result> results;
try
{
if(Test* test = get_test(test_name))
{
std::vector<Test::Result> test_results = test->run();
results.insert(results.end(), test_results.begin(), test_results.end());
}
else
{
Test::Result result(test_name);
if(fail_if_missing)
result.test_failure("Test missing or unavailable");
else
result.test_note("Test missing or unavailable");
results.push_back(result);
}
}
catch(std::exception& e)
{
results.push_back(Test::Result::Failure(test_name, e.what()));
}
catch(...)
{
results.push_back(Test::Result::Failure(test_name, "unknown exception"));
}
return results;
}
// static member variables of Test
Botan::RandomNumberGenerator* Test::m_test_rng = nullptr;
std::string Test::m_data_dir;
bool Test::m_log_success = false;
bool Test::m_run_online_tests = false;
bool Test::m_run_long_tests = false;
std::string Test::m_pkcs11_lib;
//static
void Test::setup_tests(bool log_success,
bool run_online,
bool run_long,
const std::string& data_dir,
const std::string& pkcs11_lib,
Botan::RandomNumberGenerator* rng)
{
m_data_dir = data_dir;
m_log_success = log_success;
m_run_online_tests = run_online;
m_run_long_tests = run_long;
m_test_rng = rng;
m_pkcs11_lib = pkcs11_lib;
}
//static
std::string Test::data_file(const std::string& what)
{
return Test::data_dir() + "/" + what;
}
//static
const std::string& Test::data_dir()
{
return m_data_dir;
}
//static
bool Test::log_success()
{
return m_log_success;
}
//static
bool Test::run_online_tests()
{
return m_run_online_tests;
}
//static
bool Test::run_long_tests()
{
return m_run_long_tests;
}
//static
std::string Test::pkcs11_lib()
{
return m_pkcs11_lib;
}
//static
Botan::RandomNumberGenerator& Test::rng()
{
if(!m_test_rng)
throw Test_Error("Test RNG not initialized");
return *m_test_rng;
}
std::string Test::random_password()
{
const size_t len = 1 + Test::rng().next_byte() % 32;
return Botan::hex_encode(Test::rng().random_vec(len));
}
Text_Based_Test::Text_Based_Test(const std::string& data_src,
const std::string& required_keys_str,
const std::string& optional_keys_str) :
m_data_src(data_src)
{
if(required_keys_str.empty())
throw Test_Error("Invalid test spec");
std::vector<std::string> required_keys = Botan::split_on(required_keys_str, ',');
std::vector<std::string> optional_keys = Botan::split_on(optional_keys_str, ',');
m_required_keys.insert(required_keys.begin(), required_keys.end());
m_optional_keys.insert(optional_keys.begin(), optional_keys.end());
m_output_key = required_keys.at(required_keys.size() - 1);
}
std::vector<uint8_t> Text_Based_Test::get_req_bin(const VarMap& vars,
const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
throw Test_Error("Test missing variable " + key);
try
{
return Botan::hex_decode(i->second);
}
catch(std::exception&)
{
throw Test_Error("Test invalid hex input '" + i->second + "'" +
+ " for key " + key);
}
}
std::string Text_Based_Test::get_opt_str(const VarMap& vars,
const std::string& key, const std::string& def_value) const
{
auto i = vars.find(key);
if(i == vars.end())
return def_value;
return i->second;
}
bool Text_Based_Test::get_req_bool(const VarMap& vars, const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
throw Test_Error("Test missing variable " + key);
if(i->second == "true")
return true;
else if(i->second == "false")
return false;
else
throw Test_Error("Invalid boolean for key '" + key + "' value '" + i->second + "'");
}
size_t Text_Based_Test::get_req_sz(const VarMap& vars, const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
throw Test_Error("Test missing variable " + key);
return Botan::to_u32bit(i->second);
}
size_t Text_Based_Test::get_opt_sz(const VarMap& vars, const std::string& key, const size_t def_value) const
{
auto i = vars.find(key);
if(i == vars.end())
return def_value;
return Botan::to_u32bit(i->second);
}
std::vector<uint8_t> Text_Based_Test::get_opt_bin(const VarMap& vars,
const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
return std::vector<uint8_t>();
try
{
return Botan::hex_decode(i->second);
}
catch(std::exception&)
{
throw Test_Error("Test invalid hex input '" + i->second + "'" +
+ " for key " + key);
}
}
std::string Text_Based_Test::get_req_str(const VarMap& vars, const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
throw Test_Error("Test missing variable " + key);
return i->second;
}
#if defined(BOTAN_HAS_BIGINT)
Botan::BigInt Text_Based_Test::get_req_bn(const VarMap& vars,
const std::string& key) const
{
auto i = vars.find(key);
if(i == vars.end())
throw Test_Error("Test missing variable " + key);
try
{
return Botan::BigInt(i->second);
}
catch(std::exception&)
{
throw Test_Error("Test invalid bigint input '" + i->second + "' for key " + key);
}
}
#endif
std::string Text_Based_Test::get_next_line()
{
while(true)
{
if(m_cur == nullptr || m_cur->good() == false)
{
if(m_srcs.empty())
{
if(m_first)
{
const std::string full_path = Test::data_dir() + "/" + m_data_src;
if(full_path.find(".vec") != std::string::npos)
{
m_srcs.push_back(full_path);
}
else
{
const auto fs = Botan::get_files_recursive(full_path);
m_srcs.assign(fs.begin(), fs.end());
if(m_srcs.empty())
throw Test_Error("Error reading test data dir " + full_path);
}
m_first = false;
}
else
{
return ""; // done
}
}
m_cur.reset(new std::ifstream(m_srcs[0]));
m_cur_src_name = m_srcs[0];
// Reinit cpuid on new file if needed
if(m_cpu_flags.empty() == false)
{
m_cpu_flags.clear();
Botan::CPUID::initialize();
}
if(!m_cur->good())
throw Test_Error("Could not open input file '" + m_cur_src_name);
m_srcs.pop_front();
}
while(m_cur->good())
{
std::string line;
std::getline(*m_cur, line);
if(line.empty())
continue;
if(line[0] == '#')
{
if(line.compare(0, 6, "#test ") == 0)
return line;
else
continue;
}
return line;
}
}
}
namespace {
// strips leading and trailing but not internal whitespace
std::string strip_ws(const std::string& in)
{
const char* whitespace = " ";
const auto first_c = in.find_first_not_of(whitespace);
if(first_c == std::string::npos)
return "";
const auto last_c = in.find_last_not_of(whitespace);
return in.substr(first_c, last_c - first_c + 1);
}
std::vector<Botan::CPUID::CPUID_bits> map_cpuid_string(const std::string& tok)
{
#if defined(BOTAN_TARGET_CPU_IS_X86_FAMILY)
if(tok == "sse2" || tok == "simd")
return {Botan::CPUID::CPUID_SSE2_BIT};
if(tok == "ssse3")
return {Botan::CPUID::CPUID_SSSE3_BIT};
if(tok == "aesni")
return {Botan::CPUID::CPUID_AESNI_BIT};
if(tok == "clmul")
return {Botan::CPUID::CPUID_CLMUL_BIT};
if(tok == "avx2")
return {Botan::CPUID::CPUID_AVX2_BIT};
#endif
#if defined(BOTAN_TARGET_CPU_IS_PPC_FAMILY)
if(tok == "altivec" || tok == "simd")
return {Botan::CPUID::CPUID_ALTIVEC_BIT};
#endif
return {};
}
std::vector<Botan::CPUID::CPUID_bits>
parse_cpuid_bits(const std::vector<std::string>& tok)
{
std::vector<Botan::CPUID::CPUID_bits> bits;
for(size_t i = 1; i < tok.size(); ++i)
{
const std::vector<Botan::CPUID::CPUID_bits> more = map_cpuid_string(tok[i]);
bits.insert(bits.end(), more.begin(), more.end());
}
return bits;
}
}
bool Text_Based_Test::skip_this_test(const std::string& /*header*/,
const VarMap& /*vars*/)
{
return false;
}
std::vector<Test::Result> Text_Based_Test::run()
{
std::vector<Test::Result> results;
std::string header, header_or_name = m_data_src;
VarMap vars;
size_t test_cnt = 0;
while(true)
{
const std::string line = get_next_line();
if(line.empty()) // EOF
break;
if(line.compare(0, 6, "#test ") == 0)
{
std::vector<std::string> pragma_tokens = Botan::split_on(line.substr(6), ' ');
if(pragma_tokens.empty())
throw Test_Error("Empty pragma found in " + m_cur_src_name);
if(pragma_tokens[0] != "cpuid")
throw Test_Error("Unknown test pragma '" + line + "' in " + m_cur_src_name);
m_cpu_flags = parse_cpuid_bits(pragma_tokens);
continue;
}
else if(line[0] == '#')
{
throw Test_Error("Unknown test pragma '" + line + "' in " + m_cur_src_name);
}
if(line[0] == '[' && line[line.size()-1] == ']')
{
header = line.substr(1, line.size() - 2);
header_or_name = header;
test_cnt = 0;
continue;
}
const std::string test_id = "test " + std::to_string(test_cnt);
auto equal_i = line.find_first_of('=');
if(equal_i == std::string::npos)
{
results.push_back(Test::Result::Failure(header_or_name,
"invalid input '" + line + "'"));
continue;
}
std::string key = strip_ws(std::string(line.begin(), line.begin() + equal_i - 1));
std::string val = strip_ws(std::string(line.begin() + equal_i + 1, line.end()));
if(m_required_keys.count(key) == 0 && m_optional_keys.count(key) == 0)
results.push_back(Test::Result::Failure(header_or_name,
test_id + " failed unknown key " + key));
vars[key] = val;
if(key == m_output_key)
{
try
{
if(skip_this_test(header, vars))
{
continue;
}
++test_cnt;
uint64_t start = Test::timestamp();
Test::Result result = run_one_test(header, vars);
if(m_cpu_flags.size() > 0)
{
for(auto&& cpuid_bit : m_cpu_flags)
{
if(Botan::CPUID::has_cpuid_bit(cpuid_bit))
{
Botan::CPUID::clear_cpuid_bit(cpuid_bit);
// now re-run the test
result.merge(run_one_test(header, vars));
}
}
Botan::CPUID::initialize();
}
result.set_ns_consumed(Test::timestamp() - start);
if(result.tests_failed())
result.test_note("Test #" + std::to_string(test_cnt) + " failed");
results.push_back(result);
}
catch(std::exception& e)
{
results.push_back(Test::Result::Failure(header_or_name,
"test " + std::to_string(test_cnt) +
" failed with exception '" + e.what() + "'"));
}
if(clear_between_callbacks())
{
vars.clear();
}
}
}
try
{
std::vector<Test::Result> final_tests = run_final_tests();
results.insert(results.end(), final_tests.begin(), final_tests.end());
}
catch(std::exception& e)
{
results.push_back(Test::Result::Failure(header_or_name,
"run_final_tests exception " + std::string(e.what())));
}
return results;
}
}
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