query backing device

This commit is contained in:
m2049r 2018-08-16 10:31:48 +02:00
parent bad2c7cf31
commit bce474be7d
No known key found for this signature in database
GPG Key ID: 4386E69AF260078D
10 changed files with 123 additions and 17 deletions

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@ -78,7 +78,6 @@ namespace hw {
return false;
}
class device {
protected:
std::string name;
@ -96,6 +95,12 @@ namespace hw {
TRANSACTION_CREATE_FAKE,
TRANSACTION_PARSE
};
enum device_type
{
SOFTWARE = 0,
LEDGER = 1
};
/* ======================================================================= */
/* SETUP/TEARDOWN */
@ -109,7 +114,9 @@ namespace hw {
virtual bool connect(void) = 0;
virtual bool disconnect(void) = 0;
virtual bool set_mode(device_mode mode) = 0;
virtual bool set_mode(device_mode mode) = 0;
virtual device_type get_type() const = 0;
/* ======================================================================= */

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@ -61,6 +61,8 @@ namespace hw {
bool set_mode(device_mode mode) override;
device_type get_type() const {return device_type::SOFTWARE;};
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */

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@ -142,7 +142,9 @@ namespace hw {
bool connect(void) override;
bool disconnect() override;
bool set_mode(device_mode mode) override;
bool set_mode(device_mode mode) override;
device_type get_type() const {return device_type::LEDGER;};
/* ======================================================================= */
/* LOCKER */

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@ -639,6 +639,11 @@ bool WalletImpl::recoverFromDevice(const std::string &path, const std::string &p
return true;
}
Wallet::Device WalletImpl::getDeviceType() const
{
return static_cast<Wallet::Device>(m_wallet->get_device_type());
}
bool WalletImpl::open(const std::string &path, const std::string &password)
{
clearStatus();

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@ -79,6 +79,7 @@ public:
bool recoverFromDevice(const std::string &path,
const std::string &password,
const std::string &device_name);
Device getDeviceType() const;
bool close(bool store = true);
std::string seed() const override;
std::string getSeedLanguage() const override;

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@ -373,6 +373,10 @@ struct WalletListener
*/
struct Wallet
{
enum Device {
Device_Software = 0,
Device_Ledger = 1
};
enum Status {
Status_Ok,
@ -911,6 +915,12 @@ struct Wallet
virtual bool unlockKeysFile() = 0;
//! returns true if the keys file is locked
virtual bool isKeysFileLocked() = 0;
/*!
* \brief Queries backing device for wallet keys
* \return Device they are on
*/
virtual Device getDeviceType() const = 0;
};
/**
@ -1096,6 +1106,18 @@ struct WalletManager
*/
virtual bool verifyWalletPassword(const std::string &keys_file_name, const std::string &password, bool no_spend_key, uint64_t kdf_rounds = 1) const = 0;
/*!
* \brief determine the key storage for the specified wallet file
* \param device_type (OUT) wallet backend as enumerated in Wallet::Device
* \param keys_file_name Keys file to verify password for
* \param password Password to verify
* \return true if password correct, else false
*
* for verification only - determines key storage hardware
*
*/
virtual bool queryWalletDevice(Wallet::Device& device_type, const std::string &keys_file_name, const std::string &password, uint64_t kdf_rounds = 1) const = 0;
/*!
* \brief findWallets - searches for the wallet files by given path name recursively
* \param path - starting point to search

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@ -167,6 +167,14 @@ bool WalletManagerImpl::verifyWalletPassword(const std::string &keys_file_name,
return tools::wallet2::verify_password(keys_file_name, password, no_spend_key, hw::get_device("default"), kdf_rounds);
}
bool WalletManagerImpl::queryWalletDevice(Wallet::Device& device_type, const std::string &keys_file_name, const std::string &password, uint64_t kdf_rounds) const
{
hw::device::device_type type;
bool r = tools::wallet2::query_device(type, keys_file_name, password, kdf_rounds);
device_type = static_cast<Wallet::Device>(type);
return r;
}
std::vector<std::string> WalletManagerImpl::findWallets(const std::string &path)
{
std::vector<std::string> result;

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@ -76,6 +76,7 @@ public:
virtual bool closeWallet(Wallet *wallet, bool store = true) override;
bool walletExists(const std::string &path) override;
bool verifyWalletPassword(const std::string &keys_file_name, const std::string &password, bool no_spend_key, uint64_t kdf_rounds = 1) const override;
bool queryWalletDevice(Wallet::Device& device_type, const std::string &keys_file_name, const std::string &password, uint64_t kdf_rounds = 1) const;
std::vector<std::string> findWallets(const std::string &path) override;
std::string errorString() const override;
void setDaemonAddress(const std::string &address) override;

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@ -794,7 +794,7 @@ wallet2::wallet2(network_type nettype, uint64_t kdf_rounds, bool unattended):
m_light_wallet_connected(false),
m_light_wallet_balance(0),
m_light_wallet_unlocked_balance(0),
m_key_on_device(false),
m_key_device_type(hw::device::device_type::SOFTWARE),
m_ring_history_saved(false),
m_ringdb(),
m_last_block_reward(0),
@ -2908,7 +2908,7 @@ bool wallet2::store_keys(const std::string& keys_file_name, const epee::wipeable
rapidjson::Value value2(rapidjson::kNumberType);
value2.SetInt(m_key_on_device?1:0);
value2.SetInt(m_key_device_type);
json.AddMember("key_on_device", value2, json.GetAllocator());
value2.SetInt(watch_only ? 1 :0); // WTF ? JSON has different true and false types, and not boolean ??
@ -3121,7 +3121,7 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
m_subaddress_lookahead_major = SUBADDRESS_LOOKAHEAD_MAJOR;
m_subaddress_lookahead_minor = SUBADDRESS_LOOKAHEAD_MINOR;
m_device_name = "";
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
encrypted_secret_keys = false;
}
else if(json.IsObject())
@ -3141,8 +3141,8 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
if (json.HasMember("key_on_device"))
{
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, key_on_device, int, Int, false, false);
m_key_on_device = field_key_on_device;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, key_on_device, int, Int, false, hw::device::device_type::SOFTWARE);
m_key_device_type = static_cast<hw::device::device_type>(field_key_on_device);
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, seed_language, std::string, String, false, std::string());
@ -3269,7 +3269,8 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
}
r = epee::serialization::load_t_from_binary(m_account, account_data);
if (r && m_key_on_device) {
THROW_WALLET_EXCEPTION_IF(!r, error::invalid_password);
if (m_key_device_type == hw::device::device_type::LEDGER) {
LOG_PRINT_L0("Account on device. Initing device...");
hw::device &hwdev = hw::get_device(m_device_name);
hwdev.set_name(m_device_name);
@ -3277,6 +3278,8 @@ bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_
hwdev.connect();
m_account.set_device(hwdev);
LOG_PRINT_L0("Device inited...");
} else if (key_on_device()) {
THROW_WALLET_EXCEPTION(error::wallet_internal_error, "hardware device not supported");
}
if (r)
@ -3444,6 +3447,59 @@ void wallet2::create_keys_file(const std::string &wallet_, bool watch_only, cons
}
/*!
* \brief determine the key storage for the specified wallet file
* \param device_type (OUT) wallet backend as enumerated in hw::device::device_type
* \param keys_file_name Keys file to verify password for
* \param password Password to verify
* \return true if password correct, else false
*
* for verification only - determines key storage hardware
*
*/
bool wallet2::query_device(hw::device::device_type& device_type, const std::string& keys_file_name, const epee::wipeable_string& password, uint64_t kdf_rounds)
{
rapidjson::Document json;
wallet2::keys_file_data keys_file_data;
std::string buf;
bool r = epee::file_io_utils::load_file_to_string(keys_file_name, buf);
THROW_WALLET_EXCEPTION_IF(!r, error::file_read_error, keys_file_name);
// Decrypt the contents
r = ::serialization::parse_binary(buf, keys_file_data);
THROW_WALLET_EXCEPTION_IF(!r, error::wallet_internal_error, "internal error: failed to deserialize \"" + keys_file_name + '\"');
crypto::chacha_key key;
crypto::generate_chacha_key(password.data(), password.size(), key, kdf_rounds);
std::string account_data;
account_data.resize(keys_file_data.account_data.size());
crypto::chacha20(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
if (json.Parse(account_data.c_str()).HasParseError() || !json.IsObject())
crypto::chacha8(keys_file_data.account_data.data(), keys_file_data.account_data.size(), key, keys_file_data.iv, &account_data[0]);
// The contents should be JSON if the wallet follows the new format.
if (json.Parse(account_data.c_str()).HasParseError())
{
// old format before JSON wallet key file format
}
else
{
account_data = std::string(json["key_data"].GetString(), json["key_data"].GetString() +
json["key_data"].GetStringLength());
if (json.HasMember("key_on_device"))
{
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, key_on_device, int, Int, false, hw::device::device_type::SOFTWARE);
device_type = static_cast<hw::device::device_type>(field_key_on_device);
}
}
cryptonote::account_base account_data_check;
r = epee::serialization::load_t_from_binary(account_data_check, account_data);
if (!r) return false;
return true;
}
/*!
* \brief Generates a wallet or restores one.
* \param wallet_ Name of wallet file
@ -3518,7 +3574,7 @@ void wallet2::generate(const std::string& wallet_, const epee::wipeable_string&
m_multisig = true;
m_multisig_threshold = threshold;
m_multisig_signers = multisig_signers;
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
setup_keys(password);
create_keys_file(wallet_, false, password, m_nettype != MAINNET || create_address_file);
@ -3558,7 +3614,7 @@ crypto::secret_key wallet2::generate(const std::string& wallet_, const epee::wip
m_multisig = false;
m_multisig_threshold = 0;
m_multisig_signers.clear();
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
setup_keys(password);
// calculate a starting refresh height
@ -3646,7 +3702,7 @@ void wallet2::generate(const std::string& wallet_, const epee::wipeable_string&
m_multisig = false;
m_multisig_threshold = 0;
m_multisig_signers.clear();
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
setup_keys(password);
create_keys_file(wallet_, true, password, m_nettype != MAINNET || create_address_file);
@ -3686,7 +3742,7 @@ void wallet2::generate(const std::string& wallet_, const epee::wipeable_string&
m_multisig = false;
m_multisig_threshold = 0;
m_multisig_signers.clear();
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
setup_keys(password);
create_keys_file(wallet_, false, password, create_address_file);
@ -3713,12 +3769,12 @@ void wallet2::restore(const std::string& wallet_, const epee::wipeable_string& p
THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_wallet_file, ignored_ec), error::file_exists, m_wallet_file);
THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_keys_file, ignored_ec), error::file_exists, m_keys_file);
}
m_key_on_device = true;
auto &hwdev = hw::get_device(device_name);
hwdev.set_name(device_name);
m_account.create_from_device(hwdev);
m_key_device_type = m_account.get_device().get_type();
m_account_public_address = m_account.get_keys().m_account_address;
m_watch_only = false;
m_multisig = false;
@ -3815,7 +3871,7 @@ std::string wallet2::make_multisig(const epee::wipeable_string &password,
m_watch_only = false;
m_multisig = true;
m_multisig_threshold = threshold;
m_key_on_device = false;
m_key_device_type = hw::device::device_type::SOFTWARE;
if (threshold == spend_keys.size() + 1)
{

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@ -189,6 +189,7 @@ namespace tools
static std::unique_ptr<wallet2> make_dummy(const boost::program_options::variables_map& vm, bool unattended, const std::function<boost::optional<password_container>(const char *, bool)> &password_prompter);
static bool verify_password(const std::string& keys_file_name, const epee::wipeable_string& password, bool no_spend_key, hw::device &hwdev, uint64_t kdf_rounds);
static bool query_device(hw::device::device_type& device_type, const std::string& keys_file_name, const epee::wipeable_string& password, uint64_t kdf_rounds = 1);
wallet2(cryptonote::network_type nettype = cryptonote::MAINNET, uint64_t kdf_rounds = 1, bool unattended = false);
~wallet2();
@ -709,7 +710,8 @@ namespace tools
bool has_multisig_partial_key_images() const;
bool has_unknown_key_images() const;
bool get_multisig_seed(epee::wipeable_string& seed, const epee::wipeable_string &passphrase = std::string(), bool raw = true) const;
bool key_on_device() const { return m_key_on_device; }
bool key_on_device() const { return get_device_type() != hw::device::device_type::SOFTWARE; }
hw::device::device_type get_device_type() const { return m_key_device_type; }
bool reconnect_device();
// locked & unlocked balance of given or current subaddress account
@ -1284,7 +1286,7 @@ namespace tools
bool m_trusted_daemon;
i_wallet2_callback* m_callback;
bool m_key_on_device;
hw::device::device_type m_key_device_type;
cryptonote::network_type m_nettype;
uint64_t m_kdf_rounds;
std::string seed_language; /*!< Language of the mnemonics (seed). */