ak-fortuna/ fortuna
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chore: print info msgs to stderr
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This commit is contained in:
surtur 2022-02-03 00:37:20 +01:00
parent 0e4d1aeef0
commit a3daa722da
Signed by: wanderer
GPG Key ID: 19CE1EC1D9E0486D
10 changed files with 81 additions and 65 deletions
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1
accumulator.cpp
View File

@ -67,6 +67,7 @@ auto Accumulator::src_is_registered(const uint8_t& id) noexcept -> bool {
if (reg) {
fmt::print(
stderr,
"[!] acc(add_source): entropy source \"{}\" already registered",
_src_id);
return true;

2
accumulator.h
View File

@ -60,7 +60,7 @@ public:
[[maybe_unused]] bool scheduled;
}
catch (std::exception& e) {
fmt::print("{}\n", e.what());
fmt::print(stderr, "{}\n", e.what());
}
}
}

2
event_adder_impl.h
View File

@ -42,7 +42,7 @@ public:
void add(const std::vector<char>& event) override {
try {
this->pool_id = (this->where_to) % 32;
fmt::print("[i] add to pool {}\n", this->pool_id);
fmt::print(stderr, "[i] add to pool {}\n", this->pool_id);
int ret{this->_pools->at(this->pool_id)
.add_entropy(this->_source_id, event)};
if (ret == 1) {

48
fortuna.cpp
View File

@ -14,6 +14,7 @@
#include <cassert>
#include <chrono>
#include <cstdint>
#include <cstdio>
#include <exception>
#include <memory>
#include <mutex>
@ -40,7 +41,7 @@ Fortuna::Fortuna() {
}
Fortuna::~Fortuna() noexcept {
this->die_point.wait();
fmt::print("[*] Fortuna says goodbye!\n");
fmt::print(stderr, "[*] Fortuna says goodbye!\n");
}
@ -52,11 +53,11 @@ auto Fortuna::random_data(unsigned int n_bytes) -> void {
std::lock_guard<std::mutex> lg(mtx_random_data);
const auto start{std::chrono::system_clock::now()};
fmt::print("random_data starting - {}\n", start);
fmt::print(stderr, "random_data starting - {}\n", start);
auto elapsed{std::chrono::duration_cast<std::chrono::milliseconds>(
std::chrono::steady_clock::now().time_since_epoch() -
now.time_since_epoch())};
fmt::print("[i] fortuna: last_reseed: {} ago\n", elapsed);
fmt::print(stderr, "[i] fortuna: last_reseed: {} ago\n", elapsed);
now = std::chrono::steady_clock::now();
try {
@ -67,7 +68,8 @@ auto Fortuna::random_data(unsigned int n_bytes) -> void {
const int pools_to_use{ffsll(static_cast<int>(get_reseed_ctr()))};
fmt::print("[*] fortuna: current p0 length: {}\n",
fmt::print(stderr,
"[*] fortuna: current p0 length: {}\n",
this->R._p_pools->at(0).get_s_byte_count());
if (R.Gen.time_to_reseed(R._p_pools->at(0).get_s_byte_count(),
min_pool_size,
@ -91,27 +93,29 @@ auto Fortuna::random_data(unsigned int n_bytes) -> void {
s.clear();
}
fmt::print("[i] fortuna: reseed ctr {}\n", get_reseed_ctr());
fmt::print(stderr, "[i] fortuna: reseed ctr {}\n", get_reseed_ctr());
if (get_reseed_ctr() == 0) {
fmt::print("[!] ERROR: reseed ctr is 0, PRNG not seeded!\n");
fmt::print(stderr,
"[!] ERROR: reseed ctr is 0, PRNG not seeded!\n");
throw std::runtime_error("illegal state, PRNG not seeded");
}
else {
const std::string n{R.Gen.generate_random_data(n_bytes)};
fmt::print(
stderr,
"got you {} proper bytes from generate_random_data -> {}\n",
n_bytes,
n);
}
}
catch (std::exception& e) {
fmt::print("{}\n", e.what());
fmt::print(stderr, "{}\n", e.what());
}
const auto end{std::chrono::system_clock::now()};
const std::chrono::duration<float> diff = end - start;
fmt::print("random_data done - {}\n", end);
fmt::print("getting random data took {:.{}f}s\n", diff.count(), 12);
fmt::print(stderr, "random_data done - {}\n", end);
fmt::print(stderr, "getting random data took {:.{}f}s\n", diff.count(), 12);
} // random_data
@ -120,8 +124,8 @@ auto Fortuna::seed_file_manager_service() -> void {
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[i] fortuna: starting seed file manager service\n");
fmt::print("[*] sfm: checkup interval {}\n", checkup_interval);
fmt::print(stderr, "[i] fortuna: starting seed file manager service\n");
fmt::print(stderr, "[*] sfm: checkup interval {}\n", checkup_interval);
}
auto right_now{fortuna::Util::current_time()};
@ -140,12 +144,12 @@ auto Fortuna::seed_file_manager_service() -> void {
right_now = fortuna::Util::current_time();
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] sfm: checkup time @{}\n", right_now);
fmt::print(stderr, "[*] sfm: checkup time @{}\n", right_now);
}
if (!sfm.is_job_running()) {
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] sfm: job not running, starting\n");
fmt::print(stderr, "[*] sfm: job not running, starting\n");
}
try {
sfm.do_stuff();
@ -161,7 +165,7 @@ auto Fortuna::seed_file_manager_service() -> void {
else {
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] sfm: job running\n");
fmt::print(stderr, "[*] sfm: job running\n");
}
// sleeping here assumes nothing goes wrong. should sth break, there
// will be no sleeps when trying to restart sfm in the above block
@ -171,7 +175,7 @@ auto Fortuna::seed_file_manager_service() -> void {
}
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] sfm: stopping, goodbye!\n\n");
fmt::print(stderr, "[*] sfm: stopping, goodbye!\n\n");
this->die_point.count_down();
}
@ -180,8 +184,9 @@ auto Fortuna::urandom_entropy_src_service() -> void {
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[i] fortuna: starting urandom entropy src service\n");
fmt::print("[*] ues: wakeup interval {}\n", wakeup_interval);
fmt::print(stderr,
"[i] fortuna: starting urandom entropy src service\n");
fmt::print(stderr, "[*] ues: wakeup interval {}\n", wakeup_interval);
}
auto right_now{fortuna::Util::current_time()};
@ -196,7 +201,7 @@ auto Fortuna::urandom_entropy_src_service() -> void {
while (this->continue_running.load()) {
try {
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[i] now: {}\n", fortuna::Util::current_time());
fmt::print(stderr, "[i] now: {}\n", fortuna::Util::current_time());
// check if ptr still valid
if (this->R._p_pools) {
@ -210,7 +215,7 @@ auto Fortuna::urandom_entropy_src_service() -> void {
catch (std::exception& e) {
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[!] ues exception: {}\n", e.what());
fmt::print(stderr, "[!] ues exception: {}\n", e.what());
}
}
right_now = fortuna::Util::current_time();
@ -219,14 +224,15 @@ auto Fortuna::urandom_entropy_src_service() -> void {
mtx_l.lock();
{
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] fortuna: current p0 length: {}\n\n",
fmt::print(stderr,
"[*] fortuna: current p0 length: {}\n\n",
this->R._p_pools->at(0).get_s_byte_count());
}
mtx_l.unlock();
}
std::lock_guard<std::mutex> p_ul(print_mtx);
fmt::print("[*] ues: stopping, goodbye!\n\n");
fmt::print(stderr, "[*] ues: stopping, goodbye!\n\n");
this->die_point.count_down();
}

9
fortuna.h
View File

@ -38,7 +38,7 @@ public:
auto set_reseed_ctr_to_null() -> void {
std::scoped_lock sl(mtx_accu, print_mtx);
this->_p_accumulator->set_reseed_ctr_to_null();
fmt::print("reseed_ctr set to 0x00\n");
fmt::print(stderr, "reseed_ctr set to 0x00\n");
}
auto incr_reseed_ctr() -> void {
@ -63,7 +63,7 @@ public:
std::lock_guard<std::mutex> lg(print_mtx);
R.initialize_pools();
fmt::print("[i] fortuna: pools initialized\n");
fmt::print(stderr, "[i] fortuna: pools initialized\n");
}
this->_p_accumulator->set_pools_ptr(R._p_pools);
@ -74,12 +74,13 @@ public:
catch (std::exception& e) {
std::lock_guard<std::mutex> lg(print_mtx);
fmt::print(
stderr,
"{}\n[!] fortuna: fatal error, PRNG initialization FAILED!\n\n",
e.what());
}
std::lock_guard<std::mutex> lg(print_mtx);
fmt::print("[*] fortuna: PRNG initialized\n");
fmt::print(stderr, "[*] fortuna: PRNG initialized\n");
}
auto seed_file_manager_service() -> void;
@ -88,7 +89,7 @@ public:
auto stop_running() -> int {
try {
fmt::print("[i] fortuna: received the stop request...\n");
fmt::print(stderr, "[i] fortuna: received the stop request...\n");
this->continue_running.store(false);
}
catch (std::exception& e) {

22
generator.cpp
View File

@ -15,6 +15,7 @@
#include <chrono>
#include <cmath>
#include <cstdint>
#include <cstdio>
#include <mutex>
#include <stdexcept>
@ -39,7 +40,7 @@ void Generator::initialize_generator() {
try {
std::memset(G.k, 0x00, G.k.size());
std::memset(G.ctr.begin(), 0x00, this->ctr_len);
fmt::print("Generator initialized\n");
fmt::print(stderr, "Generator initialized\n");
}
catch (CryptoPP::Exception& e) {
fmt::print(stderr, "{}\n", e.what());
@ -75,10 +76,10 @@ auto Generator::reseed(const std::string& s) -> void {
std::string a{fortuna::Util::do_sha(da_key + s)};
std::memmove(G.k, fortuna::Util::de_hex(a).c_str(), G.k_length);
Generator::ctr_inc();
fmt::print("[i] generator: reseeded\n");
fmt::print(stderr, "[i] generator: reseeded\n");
}
catch (std::exception& e) {
fmt::print("{}", e.what());
fmt::print(stderr, "{}\n", e.what());
throw;
}
}
@ -153,9 +154,8 @@ auto Generator::generate_random_data(const unsigned int& n) -> std::string {
std::lock_guard<std::recursive_mutex> lg(mtx);
if (n == 0) {
// do not do this..?
const std::string msg{"zero bytes requested, bailing\n"};
fmt::print("[*] g: error: {}", msg);
// const std::string msg{"zero bytes requested, bailing\n"};
fmt::print(stderr, "[!] error: zero bytes requested, bailing\n");
// throw std::invalid_argument(msg);
// TODO(me): throw or not?
// perhaps just return prematurely
@ -164,9 +164,7 @@ auto Generator::generate_random_data(const unsigned int& n) -> std::string {
// pre-computed 2^20
if (n > 1048576) {
const std::string msg{"n cannot be > 2^20\n"};
fmt::print("[*] error: {}", msg);
throw std::invalid_argument(msg);
throw std::invalid_argument("[!] error: n cannot be > 2^20\n");
}
std::string r;
@ -179,14 +177,14 @@ auto Generator::generate_random_data(const unsigned int& n) -> std::string {
static_cast<unsigned int>(std::ceil(static_cast<double>(n) / 16)));
std::string rr{generate_blocks(how_many)};
fmt::print("rr (output from generate_blocks): {}\n", rr);
fmt::print(stderr, "rr (output from generate_blocks): {}\n", rr);
// since we're truncating hex, we need to get twice more characters
r = rr.substr(0, n * 0x02ul);
rr.clear();
}
catch (std::exception& e) {
fmt::print("{}", e.what());
fmt::print(stderr, "{}", e.what());
}
/* re-key */
@ -202,7 +200,7 @@ auto Generator::generate_random_data(const unsigned int& n) -> std::string {
std::memmove(G.k, dst.c_str(), G.k_length);
}
catch (std::exception& e) {
fmt::print("{}", e.what());
fmt::print(stderr, "{}", e.what());
}
return r;
}

19
main.cpp
View File

@ -21,11 +21,12 @@ auto sigint_handler(int sig_n) -> void {
try {
constexpr auto madmsg{"HAHA no not ending on SIGINT, send a SIGTERM"};
while (madness-- > 0) {
fmt::print("{:<{}}\n", madmsg, 16);
fmt::print(stderr, "{:<{}}\n", madmsg, 16);
}
}
catch (std::exception& e) {
fmt::print("[!] bailing, something (bad) happened: {}\n", e.what());
fmt::print(
stderr, "[!] bailing, something (bad) happened: {}\n", e.what());
throw;
}
}
@ -34,8 +35,9 @@ auto sigterm_handler(int sig_n) -> void {
assert(sig_n == 15);
try {
constexpr auto news{" BREAKING NEWS "};
fmt::print("\n\n{:*^{}}\n\n", news, 79);
fmt::print("[i] main: received signal {} (SIGTERM)\n\tpid: {}\n\twill "
fmt::print(stderr, "\n\n{:*^{}}\n\n", news, 79);
fmt::print(stderr,
"[i] main: received signal {} (SIGTERM)\n\tpid: {}\n\twill "
"attempt to stop\n",
sig_n,
getpid());
@ -47,7 +49,8 @@ auto sigterm_handler(int sig_n) -> void {
}
}
catch (std::exception& e) {
fmt::print("[!] bailing, something (bad) happened: {}\n", e.what());
fmt::print(
stderr, "[!] bailing, something (bad) happened: {}\n", e.what());
throw;
}
}
@ -55,7 +58,7 @@ auto sigterm_handler(int sig_n) -> void {
int main() {
fmt::print("[*] doing evil stuff\n");
fmt::print(stderr, "[*] doing evil stuff\n");
signal(SIGTERM, chance::sigterm_handler);
signal(SIGINT, chance::sigint_handler);
@ -81,13 +84,13 @@ int main() {
if (chance::AUTOSTOP) {
auto err{chance::f->stop_running()};
if (err) {
fmt::print("[!] ERROR: failed to stop Fortuna!\n");
fmt::print(stderr, "[!] ERROR: failed to stop Fortuna!\n");
throw std::runtime_error("failed to stop Fortuna nicely");
}
}
}
catch (std::exception& e) {
fmt::print("[!] exiting due to \"{}\"\n", e.what());
fmt::print(stderr, "[!] exiting due to \"{}\"\n", e.what());
exit(EXIT_FAILURE);
}

22
pool.cpp
View File

@ -38,19 +38,20 @@ auto Pool::add_entropy(const unsigned int& source,
std::string event_str;
std::atomic<bool> all_ok{false};
fmt::print("\tevent_size (bytes): {}\n", event_size);
fmt::print(stderr, "\tevent_size (bytes): {}\n", event_size);
try {
if (source > 255) {
throw std::invalid_argument(
"source number outside of interval <0,255>\n");
}
fmt::print("\tsource_id: {}\n", source);
fmt::print(stderr, "\tsource_id: {}\n", source);
if (event_size < 1 || event_size > max_event_size) {
const std::string msg{
"[!] add_entropy: the length of the event needs to "
"be from the interval <1,32>"};
fmt::print("\tsource: {}\n{}\nevent size: {}\n\tpool_id: {}",
fmt::print(stderr,
"\tsource: {}\n{}\nevent size: {}\n\tpool_id: {}",
source,
msg,
event_size,
@ -62,7 +63,7 @@ auto Pool::add_entropy(const unsigned int& source,
}
}
catch (const std::exception& e) {
fmt::print("{}\n", e.what());
fmt::print(stderr, "{}\n", e.what());
throw;
}
@ -78,7 +79,8 @@ auto Pool::add_entropy(const unsigned int& source,
fullevent.push_back(static_cast<char>(event_size));
fullevent.insert(
std::end(fullevent), std::begin(event), std::end(event));
fmt::print("\t[i] add_entropy(fullevent): {}\n", fullevent);
fmt::print(
stderr, "\t[i] add_entropy(fullevent): {}\n", fullevent);
// FIXME: check size for overflow
// also, atm this counts event size but actually what gets
@ -88,13 +90,15 @@ auto Pool::add_entropy(const unsigned int& source,
{
const std::string digest(fortuna::Util::do_sha(fullevent));
fmt::print("\t[i] add_entropy(digest): {}\n", digest);
fmt::print(
stderr, "\t[i] add_entropy(digest): {}\n", digest);
append_s(digest);
}
}
fmt::print("\t[i] s.length() (simple char count): {}\n"
fmt::print(stderr,
"\t[i] s.length() (simple char count): {}\n"
"\t[i] get_s_byte_count() (byte count): {}\n"
"\t[i] pool_id: {}\n"
"\t[i] s: {}\n",
@ -105,7 +109,7 @@ auto Pool::add_entropy(const unsigned int& source,
this->s);
}
catch (const std::exception& e) {
fmt::print("[!] pool(add_entropy): {}\n", e.what());
fmt::print(stderr, "[!] pool(add_entropy): {}\n", e.what());
// FIXME: handle this (as all the other unhandled exceptions)
throw;
}
@ -145,7 +149,7 @@ auto Pool::append_s(const std::string& entropy_s) -> void {
this->s.append(entropy_s);
}
catch (const std::exception& e) {
fmt::print("{}\n", e.what());
fmt::print(stderr, "{}\n", e.what());
}
}

17
seed_file_management.cpp
View File

@ -12,6 +12,7 @@
#include <cassert>
#include <cstdint>
#include <cstdio>
#include <fstream>
#include <memory>
#include <mutex>
@ -73,7 +74,8 @@ auto SeedFileManager::update_seed_file() -> void {
try {
{
if (!seed_file_exists()) {
fmt::print("\t[i] sfm: SEED FILE NOT PRESENT, creating...\n");
fmt::print(stderr,
"\t[i] sfm: SEED FILE NOT PRESENT, creating...\n");
std::fstream f_stream;
f_stream.open(config.seed_f_path,
std::fstream::out | std::fstream::trunc);
@ -86,7 +88,7 @@ auto SeedFileManager::update_seed_file() -> void {
if (!f_stream.is_open()) {
const std::string msg{"\t[!] sfm: error opening seed file!\n"};
fmt::print("{} {}\n", msg, config.seed_f_path);
fmt::print(stderr, "{} {}\n", msg, config.seed_f_path);
fortuna::SeedFileManager::IS_RUNNING = false;
throw std::runtime_error(msg);
@ -99,7 +101,8 @@ auto SeedFileManager::update_seed_file() -> void {
config.seed_f_length) {
const std::string msg{
"\t[!] sfm: error reading seed from file, length mismatch"};
fmt::print("{} {}, length: {} vs desired length: {}\n",
fmt::print(stderr,
"{} {}, length: {} vs desired length: {}\n",
msg,
config.seed_f_path,
f_stream.gcount(),
@ -117,7 +120,7 @@ auto SeedFileManager::update_seed_file() -> void {
write_seed_file();
}
catch (std::exception& e) {
fmt::print("{}\n", e.what());
fmt::print(stderr, "{}\n", e.what());
fortuna::SeedFileManager::IS_RUNNING = false;
throw;
}
@ -144,7 +147,7 @@ auto SeedFileManager::write_seed_file() -> void {
true /*pumpAll*/,
new CryptoPP::HexDecoder(new CryptoPP::ArraySink(&buff[0], length)));
fmt::print("[*] sfm: writing seed file\n");
fmt::print(stderr, "[*] sfm: writing seed file\n");
try {
std::ofstream f_stream{config.seed_f_path,
@ -153,8 +156,8 @@ auto SeedFileManager::write_seed_file() -> void {
static_cast<int64_t>(config.seed_f_length));
}
catch (std::exception& e) {
fmt::print("[!] sfm: error writing to seed file!\n");
fmt::print("{}\n", e.what());
fmt::print(stderr, "[!] sfm: error writing to seed file!\n");
fmt::print(stderr, "{}\n", e.what());
fortuna::SeedFileManager::IS_RUNNING = false;
throw;
}

4
urandom_entropy_src.cpp
View File

@ -52,12 +52,12 @@ auto UrandomEntropySrc::event(accumulator::EventAdderImpl& adder) -> void {
}
catch (std::ifstream::failure& e) {
// FIXME: handle the exception
fmt::print("io exception caugth: {}\n", e.what());
fmt::print(stderr, "io exception caugth: {}\n", e.what());
throw;
}
catch (std::exception& e) {
// FIXME: handle the exception
fmt::print("[!] ues: exception caugth: {}\n", e.what());
fmt::print(stderr, "[!] ues: exception caugth: {}\n", e.what());
throw;
}
}