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device/trezor: passphrase entry on host 

- simple device callback object added. Device can request passphrase/PIN entry via the callback or notify user some action is required
- callback is routed to wallet2, which routes the callback to i_wallet_callback so CLI or GUI wallets can support passphrase entry for HW tokens
- wallet: device open needs wallet callback first - passphrase protected device needs wallet callback so user can enter passphrase
This commit is contained in:
Dusan Klinec 2018-11-11 20:07:25 +01:00
parent 58ce16d4d9
commit 318cc78457
No known key found for this signature in database
GPG Key ID: 6337E118CCBCE103
8 changed files with 134 additions and 22 deletions
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9
src/device/device.hpp
View File

@ -80,6 +80,14 @@ namespace hw {
return false;
}
class i_device_callback {
public:
virtual void on_button_request() {}
virtual void on_pin_request(epee::wipeable_string & pin) {}
virtual void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase) {}
virtual ~i_device_callback() = default;
};
class device {
protected:
std::string name;
@ -129,6 +137,7 @@ namespace hw {
virtual device_type get_type() const = 0;
virtual device_protocol_t device_protocol() const { return PROTOCOL_DEFAULT; };
virtual void set_callback(i_device_callback * callback) {};
/* ======================================================================= */
/* LOCKER */

6
src/device_trezor/device_trezor_base.cpp
View File

@ -39,7 +39,7 @@ namespace trezor {
const uint32_t device_trezor_base::DEFAULT_BIP44_PATH[] = {0x8000002c, 0x80000080, 0x80000000};
device_trezor_base::device_trezor_base() {
device_trezor_base::device_trezor_base(): m_callback(nullptr) {
}
@ -332,10 +332,6 @@ namespace trezor {
MDEBUG("on_passhprase_state_request");
CHECK_AND_ASSERT_THROW_MES(msg, "Empty message");
if (m_callback){
m_callback->on_passphrase_state_request(msg->state());
}
messages::common::PassphraseStateAck m;
resp = call_raw(&m);
}

19
src/device_trezor/device_trezor_base.hpp
View File

@ -57,17 +57,6 @@ namespace trezor {
#ifdef WITH_DEVICE_TREZOR
class device_trezor_base;
/**
* Trezor device callbacks
*/
class trezor_callback {
public:
virtual void on_button_request() {};
virtual void on_pin_request(epee::wipeable_string & pin) {};
virtual void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase) {};
virtual void on_passphrase_state_request(const std::string & state) {};
};
/**
* TREZOR device template with basic functions
*/
@ -79,7 +68,7 @@ namespace trezor {
mutable boost::mutex command_locker;
std::shared_ptr<Transport> m_transport;
std::shared_ptr<trezor_callback> m_callback;
i_device_callback * m_callback;
std::string full_name;
@ -218,7 +207,11 @@ namespace trezor {
return m_transport;
}
std::shared_ptr<trezor_callback> getCallback(){
void set_callback(i_device_callback * callback) override {
m_callback = callback;
}
i_device_callback * get_callback(){
return m_callback;
}

37
src/simplewallet/simplewallet.cpp
View File

@ -3786,6 +3786,7 @@ boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::pr
{
auto rc = tools::wallet2::make_new(vm, false, password_prompter);
m_wallet = std::move(rc.first);
m_wallet->callback(this);
if (!m_wallet)
{
return {};
@ -3893,7 +3894,7 @@ bool simple_wallet::open_wallet(const boost::program_options::variables_map& vm)
epee::wipeable_string password;
try
{
auto rc = tools::wallet2::make_from_file(vm, false, m_wallet_file, password_prompter);
auto rc = tools::wallet2::make_from_file(vm, false, "", password_prompter);
m_wallet = std::move(rc.first);
password = std::move(std::move(rc.second).password());
if (!m_wallet)
@ -3901,6 +3902,8 @@ bool simple_wallet::open_wallet(const boost::program_options::variables_map& vm)
return false;
}
m_wallet->callback(this);
m_wallet->load(m_wallet_file, password);
std::string prefix;
bool ready;
uint32_t threshold, total;
@ -4304,6 +4307,38 @@ boost::optional<epee::wipeable_string> simple_wallet::on_get_password(const char
return pwd_container->password();
}
//----------------------------------------------------------------------------------------------------
void simple_wallet::on_button_request()
{
message_writer(console_color_white, false) << tr("Device requires attention");
}
//----------------------------------------------------------------------------------------------------
void simple_wallet::on_pin_request(epee::wipeable_string & pin)
{
#ifdef HAVE_READLINE
rdln::suspend_readline pause_readline;
#endif
std::string msg = tr("Enter device PIN");
auto pwd_container = tools::password_container::prompt(false, msg.c_str());
THROW_WALLET_EXCEPTION_IF(!pwd_container, tools::error::password_entry_failed, tr("Failed to read device PIN"));
pin = pwd_container->password();
}
//----------------------------------------------------------------------------------------------------
void simple_wallet::on_passphrase_request(bool on_device, epee::wipeable_string & passphrase)
{
if (on_device){
message_writer(console_color_white, true) << tr("Please enter the device passphrase on the device");
return;
}
#ifdef HAVE_READLINE
rdln::suspend_readline pause_readline;
#endif
std::string msg = tr("Enter device passphrase");
auto pwd_container = tools::password_container::prompt(false, msg.c_str());
THROW_WALLET_EXCEPTION_IF(!pwd_container, tools::error::password_entry_failed, tr("Failed to read device passphrase"));
passphrase = pwd_container->password();
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::refresh_main(uint64_t start_height, enum ResetType reset, bool is_init)
{
if (!try_connect_to_daemon(is_init))

3
src/simplewallet/simplewallet.h
View File

@ -287,6 +287,9 @@ namespace cryptonote
virtual void on_money_spent(uint64_t height, const crypto::hash &txid, const cryptonote::transaction& in_tx, uint64_t amount, const cryptonote::transaction& spend_tx, const cryptonote::subaddress_index& subaddr_index);
virtual void on_skip_transaction(uint64_t height, const crypto::hash &txid, const cryptonote::transaction& tx);
virtual boost::optional<epee::wipeable_string> on_get_password(const char *reason);
virtual void on_button_request();
virtual void on_pin_request(epee::wipeable_string & pin);
virtual void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase);
//----------------------------------------------------------
friend class refresh_progress_reporter_t;

52
src/wallet/wallet2.cpp
View File

@ -818,6 +818,24 @@ wallet_keys_unlocker::~wallet_keys_unlocker()
w.encrypt_keys(key);
}
void wallet_device_callback::on_button_request()
{
if (wallet)
wallet->on_button_request();
}
void wallet_device_callback::on_pin_request(epee::wipeable_string & pin)
{
if (wallet)
wallet->on_pin_request(pin);
}
void wallet_device_callback::on_passphrase_request(bool on_device, epee::wipeable_string & passphrase)
{
if (wallet)
wallet->on_passphrase_request(on_device, passphrase);
}
wallet2::wallet2(network_type nettype, uint64_t kdf_rounds, bool unattended):
m_multisig_rescan_info(NULL),
m_multisig_rescan_k(NULL),
@ -929,7 +947,7 @@ std::pair<std::unique_ptr<wallet2>, password_container> wallet2::make_from_file(
return {nullptr, password_container{}};
}
auto wallet = make_basic(vm, unattended, opts, password_prompter);
if (wallet)
if (wallet && !wallet_file.empty())
{
wallet->load(wallet_file, pwd->password());
}
@ -1071,15 +1089,16 @@ bool wallet2::reconnect_device()
hw::device &hwdev = lookup_device(m_device_name);
hwdev.set_name(m_device_name);
hwdev.set_network_type(m_nettype);
hwdev.set_callback(get_device_callback());
r = hwdev.init();
if (!r){
LOG_PRINT_L2("Could not init device");
MERROR("Could not init device");
return false;
}
r = hwdev.connect();
if (!r){
LOG_PRINT_L2("Could not connect to the device");
MERROR("Could not connect to the device");
return false;
}
@ -3441,6 +3460,7 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
hw::device &hwdev = lookup_device(m_device_name);
THROW_WALLET_EXCEPTION_IF(!hwdev.set_name(m_device_name), error::wallet_internal_error, "Could not set device name " + m_device_name);
hwdev.set_network_type(m_nettype);
hwdev.set_callback(get_device_callback());
THROW_WALLET_EXCEPTION_IF(!hwdev.init(), error::wallet_internal_error, "Could not initialize the device " + m_device_name);
THROW_WALLET_EXCEPTION_IF(!hwdev.connect(), error::wallet_internal_error, "Could not connect to the device " + m_device_name);
m_account.set_device(hwdev);
@ -3947,6 +3967,7 @@ void wallet2::restore(const std::string& wallet_, const epee::wipeable_string& p
auto &hwdev = lookup_device(device_name);
hwdev.set_name(device_name);
hwdev.set_network_type(m_nettype);
hwdev.set_callback(get_device_callback());
m_account.create_from_device(hwdev);
m_key_device_type = m_account.get_device().get_type();
@ -11940,4 +11961,29 @@ uint64_t wallet2::get_segregation_fork_height() const
void wallet2::generate_genesis(cryptonote::block& b) const {
cryptonote::generate_genesis_block(b, get_config(m_nettype).GENESIS_TX, get_config(m_nettype).GENESIS_NONCE);
}
//----------------------------------------------------------------------------------------------------
wallet_device_callback * wallet2::get_device_callback()
{
if (!m_device_callback){
m_device_callback.reset(new wallet_device_callback(this));
}
return m_device_callback.get();
}//----------------------------------------------------------------------------------------------------
void wallet2::on_button_request()
{
if (0 != m_callback)
m_callback->on_button_request();
}
//----------------------------------------------------------------------------------------------------
void wallet2::on_pin_request(epee::wipeable_string & pin)
{
if (0 != m_callback)
m_callback->on_pin_request(pin);
}
//----------------------------------------------------------------------------------------------------
void wallet2::on_passphrase_request(bool on_device, epee::wipeable_string & passphrase)
{
if (0 != m_callback)
m_callback->on_passphrase_request(on_device, passphrase);
}
}

22
src/wallet/wallet2.h
View File

@ -98,11 +98,26 @@ namespace tools
virtual void on_lw_money_received(uint64_t height, const crypto::hash &txid, uint64_t amount) {}
virtual void on_lw_unconfirmed_money_received(uint64_t height, const crypto::hash &txid, uint64_t amount) {}
virtual void on_lw_money_spent(uint64_t height, const crypto::hash &txid, uint64_t amount) {}
// Device callbacks
virtual void on_button_request() {}
virtual void on_pin_request(epee::wipeable_string & pin) {}
virtual void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase) {}
// Common callbacks
virtual void on_pool_tx_removed(const crypto::hash &txid) {}
virtual ~i_wallet2_callback() {}
};
class wallet_device_callback : public hw::i_device_callback
{
public:
wallet_device_callback(wallet2 * wallet): wallet(wallet) {};
void on_button_request() override;
void on_pin_request(epee::wipeable_string & pin) override;
void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase) override;
private:
wallet2 * wallet;
};
struct tx_dust_policy
{
uint64_t dust_threshold;
@ -154,6 +169,7 @@ namespace tools
{
friend class ::Serialization_portability_wallet_Test;
friend class wallet_keys_unlocker;
friend class wallet_device_callback;
public:
static constexpr const std::chrono::seconds rpc_timeout = std::chrono::minutes(3) + std::chrono::seconds(30);
@ -1285,6 +1301,11 @@ namespace tools
void setup_new_blockchain();
void create_keys_file(const std::string &wallet_, bool watch_only, const epee::wipeable_string &password, bool create_address_file);
wallet_device_callback * get_device_callback();
void on_button_request();
void on_pin_request(epee::wipeable_string & pin);
void on_passphrase_request(bool on_device, epee::wipeable_string & passphrase);
cryptonote::account_base m_account;
boost::optional<epee::net_utils::http::login> m_daemon_login;
std::string m_daemon_address;
@ -1396,6 +1417,7 @@ namespace tools
bool m_devices_registered;
std::shared_ptr<tools::Notify> m_tx_notify;
std::unique_ptr<wallet_device_callback> m_device_callback;
};
}
BOOST_CLASS_VERSION(tools::wallet2, 26)

8
src/wallet/wallet_errors.h
View File

@ -219,6 +219,14 @@ namespace tools
}
};
//----------------------------------------------------------------------------------------------------
struct password_entry_failed : public wallet_runtime_error
{
explicit password_entry_failed(std::string&& loc, const std::string &msg = "Password entry failed")
: wallet_runtime_error(std::move(loc), msg)
{
}
};
//----------------------------------------------------------------------------------------------------
const char* const file_error_messages[] = {
"file already exists",
"file not found",