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#include <cassert>
#include <cstring>
#include "include/NitrokeyManager.h"
namespace nitrokey{
template <typename T>
void initialize(T& st){ bzero(&st, sizeof(st)); }
template <typename T>
typename T::CommandPayload get_payload(){
//Create, initialize and return by value command payload
typename T::CommandPayload st;
bzero(&st, sizeof(st));
return st;
}
NitrokeyManager * NitrokeyManager::_instance = nullptr;
NitrokeyManager::NitrokeyManager(): device(nullptr) {
set_debug(true);
}
NitrokeyManager::~NitrokeyManager() {delete _instance; delete device;}
bool NitrokeyManager::connect() {
device = new Stick10();
return device->connect();
}
NitrokeyManager *NitrokeyManager::instance() {
if (_instance == nullptr){
_instance = new NitrokeyManager();
}
return _instance;
}
bool NitrokeyManager::disconnect() {
return device->disconnect();
}
void NitrokeyManager::set_debug(bool state) {
if (state){
Log::instance().set_loglevel(Loglevel::DEBUG_L2);
} else {
Log::instance().set_loglevel(Loglevel::ERROR);
}
}
string NitrokeyManager::get_status() {
auto response = GetStatus::CommandTransaction::run(*device);
return response.dissect();
}
uint32_t NitrokeyManager::get_HOTP_code(uint8_t slot_number) {
assert(is_valid_hotp_slot_number(slot_number));
auto gh = get_payload<GetHOTP>();
gh.slot_number = get_internal_slot_number_for_hotp(slot_number);
auto resp = GetHOTP::CommandTransaction::run(*device, gh);
return resp.code;
}
bool NitrokeyManager::is_valid_hotp_slot_number(uint8_t slot_number) const { return slot_number < 3; }
bool NitrokeyManager::is_valid_totp_slot_number(uint8_t slot_number) const { return slot_number < 0x10; }
uint8_t NitrokeyManager::get_internal_slot_number_for_totp(uint8_t slot_number) const { return (uint8_t) (0x20 + slot_number); }
uint8_t NitrokeyManager::get_internal_slot_number_for_hotp(uint8_t slot_number) const { return (uint8_t) (0x10 + slot_number); }
uint32_t NitrokeyManager::get_TOTP_code(uint8_t slot_number, uint64_t challenge, uint64_t last_totp_time,
uint8_t last_interval) {
assert(is_valid_totp_slot_number(slot_number));
slot_number = get_internal_slot_number_for_totp(slot_number);
auto gt = get_payload<GetTOTP>();
gt.slot_number = slot_number;
gt.challenge = challenge;
gt.last_interval = last_interval;
gt.last_totp_time = last_totp_time;
auto resp = GetTOTP::CommandTransaction::run(*device, gt);
return resp.code;
}
bool NitrokeyManager::erase_slot(uint8_t slot_number) {
auto p = get_payload<EraseSlot>();
p.slot_number = slot_number;
auto resp = EraseSlot::CommandTransaction::run(*device,p);
return true;
}
bool NitrokeyManager::erase_hotp_slot(uint8_t slot_number) {
assert(is_valid_hotp_slot_number(slot_number));
slot_number = get_internal_slot_number_for_hotp(slot_number);
return erase_slot(slot_number);
}
bool NitrokeyManager::erase_totp_slot(uint8_t slot_number) {
assert(is_valid_totp_slot_number(slot_number));
slot_number = get_internal_slot_number_for_totp(slot_number);
return erase_slot(slot_number);
}
bool NitrokeyManager::write_HOTP_slot(uint8_t slot_number, const char *slot_name, const char *secret, uint64_t hotp_counter,
const char *temporary_password) {
assert(is_valid_hotp_slot_number(slot_number));
assert(strlen(secret)==20); //160 bits
assert(strlen(slot_name)<=15);
slot_number = get_internal_slot_number_for_hotp(slot_number);
auto payload = get_payload<WriteToHOTPSlot>();
payload.slot_number = slot_number;
strcpy((char *) payload.slot_secret, secret);
strcpy((char *) payload.slot_name, slot_name);
payload.slot_counter = hotp_counter;
payload.slot_config; //TODO
auto auth = get_payload<Authorize>();
strcpy((char *) (auth.temporary_password), temporary_password);
auth.crc_to_authorize = WriteToHOTPSlot::CommandTransaction::getCRC(payload);
Authorize::CommandTransaction::run(*device, auth);
auto resp = WriteToHOTPSlot::CommandTransaction::run(*device, payload);
return true;
}
enum totp_config{digits8=0, enter=1, tokenID=2};
bool NitrokeyManager::write_TOTP_slot(uint8_t slot_number, const char *slot_name, const char *secret,
uint16_t time_window, bool use_8_digits, const char *temporary_password) {
assert(is_valid_totp_slot_number(slot_number));
assert(strlen(secret)==20); //160 bits
assert(strlen(slot_name)<=15);
slot_number = get_internal_slot_number_for_totp(slot_number);
auto payload = get_payload<WriteToTOTPSlot>();
payload.slot_number = slot_number;
strcpy((char *) payload.slot_secret, secret);
strcpy((char *) payload.slot_name, slot_name);
payload.slot_interval = time_window; //FIXME naming
bitset<8> config; //FIXME better config manipulation
config.set(totp_config::digits8, use_8_digits);
payload.slot_config = (uint8_t) config.to_ulong();
auto auth = get_payload<Authorize>();
strcpy((char *) (auth.temporary_password), temporary_password);
auth.crc_to_authorize = WriteToTOTPSlot::CommandTransaction::getCRC(payload);
Authorize::CommandTransaction::run(*device, auth);
auto auth_successful = device->last_command_sucessfull();
auto resp = WriteToTOTPSlot::CommandTransaction::run(*device, payload);
auto write_successful = device->last_command_sucessfull();
return auth_successful && write_successful;
}
const char * NitrokeyManager::get_totp_slot_name(uint8_t slot_number) {
assert(is_valid_totp_slot_number(slot_number));
slot_number = get_internal_slot_number_for_totp(slot_number);
return (const char *) get_slot_name(slot_number);
}
const char * NitrokeyManager::get_hotp_slot_name(uint8_t slot_number) {
assert(is_valid_hotp_slot_number(slot_number));
slot_number = get_internal_slot_number_for_hotp(slot_number);
return (const char *) get_slot_name(slot_number);
}
uint8_t *NitrokeyManager::get_slot_name(uint8_t slot_number) const { //FIXME -const s/uint/char:string
auto payload = get_payload<GetSlotName>();
payload.slot_number = slot_number;
auto resp = GetSlotName::CommandTransaction::run(*device, payload);
return (uint8_t *) strdup((const char *) resp.slot_name);
}
bool NitrokeyManager::authorize(const char *pin, const char *temporary_password) {
auto authreq = get_payload<FirstAuthenticate>();
strcpy((char *) (authreq.card_password), pin);
strcpy((char *) (authreq.temporary_password), temporary_password);
FirstAuthenticate::CommandTransaction::run(*device, authreq);
return true;
}
bool NitrokeyManager::set_time(uint64_t time) {
auto p = get_payload<SetTime>();
p.reset = 1;
p.time = time;
SetTime::CommandTransaction::run(*device, p);
return false;
}
bool NitrokeyManager::get_time() {
auto p = get_payload<SetTime>();
p.reset = 0;
SetTime::CommandTransaction::run(*device, p);
return false;
}
}
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