Merge pull request #200

cfc8c55 Add simple_wallet::seed_set_language method (warptangent)
26b87df Add wallet2::verify_password method (warptangent)
This commit is contained in:
Riccardo Spagni 2014-12-13 13:51:11 +02:00
commit f5c2a5ec9c
No known key found for this signature in database
GPG Key ID: 55432DF31CCD4FCD
4 changed files with 125 additions and 0 deletions

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@ -231,6 +231,36 @@ bool simple_wallet::seed(const std::vector<std::string> &args/* = std::vector<st
return true;
}
bool simple_wallet::seed_set_language(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
bool success = false;
if (!m_wallet->is_deterministic())
{
fail_msg_writer() << "This wallet is non-deterministic and doesn't have a seed.";
return true;
}
tools::password_container pwd_container;
success = pwd_container.read_password();
if (!success)
{
fail_msg_writer() << "failed to read wallet password";
return true;
}
/* verify password before using so user doesn't accidentally set a new password for rewritten wallet */
success = m_wallet->verify_password(pwd_container.password());
if (!success)
{
fail_msg_writer() << "invalid password";
return true;
}
std::string mnemonic_language = get_mnemonic_language();
m_wallet->set_seed_language(mnemonic_language);
m_wallet->rewrite(m_wallet_file, pwd_container.password());
return true;
}
bool simple_wallet::help(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
success_msg_writer() << get_commands_str();
@ -255,9 +285,39 @@ simple_wallet::simple_wallet()
m_cmd_binder.set_handler("save", boost::bind(&simple_wallet::save, this, _1), "Save wallet synchronized data");
m_cmd_binder.set_handler("viewkey", boost::bind(&simple_wallet::viewkey, this, _1), "Get viewkey");
m_cmd_binder.set_handler("seed", boost::bind(&simple_wallet::seed, this, _1), "Get deterministic seed");
m_cmd_binder.set_handler("set", boost::bind(&simple_wallet::set_variable, this, _1), "available options: seed language - Set wallet seed langage");
m_cmd_binder.set_handler("help", boost::bind(&simple_wallet::help, this, _1), "Show this help");
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::set_variable(const std::vector<std::string> &args)
{
if (args.empty())
{
fail_msg_writer() << "set: needs an argument. available options: seed";
return true;
}
else
{
if (args[0] == "seed")
{
if (args.size() == 1)
{
fail_msg_writer() << "set seed: needs an argument. available options: language";
return true;
}
else if (args[1] == "language")
{
std::vector<std::string> local_args = args;
local_args.erase(local_args.begin(), local_args.begin()+2);
seed_set_language(local_args);
return true;
}
}
}
fail_msg_writer() << "set: unrecognized argument(s)";
return true;
}
//----------------------------------------------------------------------------------------------------
bool simple_wallet::set_log(const std::vector<std::string> &args)
{
if(args.size() != 1)

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@ -81,6 +81,17 @@ namespace cryptonote
bool viewkey(const std::vector<std::string> &args = std::vector<std::string>());
bool seed(const std::vector<std::string> &args = std::vector<std::string>());
/*!
* \brief Sets seed language.
*
* interactive
* - prompts for password so wallet can be rewritten
* - calls get_mnemonic_language() which prompts for language
*
* \return success status
*/
bool seed_set_language(const std::vector<std::string> &args = std::vector<std::string>());
bool help(const std::vector<std::string> &args = std::vector<std::string>());
bool start_mining(const std::vector<std::string> &args);
bool stop_mining(const std::vector<std::string> &args);
@ -96,6 +107,7 @@ namespace cryptonote
);
bool print_address(const std::vector<std::string> &args = std::vector<std::string>());
bool save(const std::vector<std::string> &args);
bool set_variable(const std::vector<std::string> &args);
bool set_log(const std::vector<std::string> &args);
uint64_t get_daemon_blockchain_height(std::string& err);

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@ -570,6 +570,54 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
THROW_WALLET_EXCEPTION_IF(!r, error::invalid_password);
}
/*!
* \brief verify password for default wallet keys file.
* \param password Password to verify
*
* for verification only
* should not mutate state, unlike load_keys()
* can be used prior to rewriting wallet keys file, to ensure user has entered the correct password
*
*/
bool wallet2::verify_password(const std::string& password)
{
const std::string keys_file_name = m_keys_file;
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::chacha8_key key;
crypto::generate_chacha8_key(password, key);
std::string account_data;
account_data.resize(keys_file_data.account_data.size());
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.
rapidjson::Document json;
if (json.Parse(account_data.c_str(), keys_file_data.account_data.size()).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());
}
cryptonote::account_base account_data_check;
r = epee::serialization::load_t_from_binary(account_data_check, account_data);
const cryptonote::account_keys& keys = account_data_check.get_keys();
r = r && verify_keys(keys.m_view_secret_key, keys.m_account_address.m_view_public_key);
r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key);
return r;
}
/*!
* \brief Generates a wallet or restores one.
* \param wallet_ Name of wallet file

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@ -153,6 +153,11 @@ namespace tools
void rewrite(const std::string& wallet_name, const std::string& password);
void load(const std::string& wallet, const std::string& password);
void store();
/*!
* \brief verifies given password is correct for default wallet keys file
*/
bool verify_password(const std::string& password);
cryptonote::account_base& get_account(){return m_account;}
// upper_transaction_size_limit as defined below is set to