Merge pull request #769

b4eada9 wallet: make load_keys check types when loading JSON (moneromooo-monero)
3e55725 wallet: make the JSON reading type safe (moneromooo-monero)
f8d05f3 common: new json_util.h (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2016-04-02 12:02:49 +09:00
commit 4ac6bdbb3f
No known key found for this signature in database
GPG key ID: 55432DF31CCD4FCD
4 changed files with 121 additions and 63 deletions

53
src/common/json_util.h Normal file
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@ -0,0 +1,53 @@
// Copyright (c) 2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#pragma once
#define GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, name, type, jtype, mandatory) \
type field_##name; \
bool field_##name##_found = false; \
(void)field_##name##_found; \
do if (json.HasMember(#name)) \
{ \
if (json[#name].Is##jtype()) \
{ \
field_##name = json[#name].Get##jtype(); \
field_##name##_found = true; \
} \
else \
{ \
LOG_ERROR("Field " << #name << " found in JSON, but not " << #jtype); \
return false; \
} \
} \
else if (mandatory) \
{ \
LOG_ERROR("Field " << #name << " not found in JSON"); \
return false; \
} while(0)

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@ -58,6 +58,7 @@
#include "crypto/crypto.h" // for crypto::secret_key definition
#include "mnemonics/electrum-words.h"
#include "rapidjson/document.h"
#include "common/json_util.h"
#include <stdexcept>
#if defined(WIN32)
@ -833,40 +834,27 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
return false;
}
if (!json.HasMember("version")) {
fail_msg_writer() << tr("Version not found in JSON");
return false;
}
unsigned int version = json["version"].GetUint();
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, version, unsigned, Uint, true);
const int current_version = 1;
if (version > current_version) {
fail_msg_writer() << boost::format(tr("Version %u too new, we can only grok up to %u")) % version % current_version;
if (field_version > current_version) {
fail_msg_writer() << boost::format(tr("Version %u too new, we can only grok up to %u")) % field_version % current_version;
return false;
}
if (!json.HasMember("filename")) {
fail_msg_writer() << tr("Filename not found in JSON");
return false;
}
std::string filename = json["filename"].GetString();
bool recover = false;
uint64_t scan_from_height = 0;
if (json.HasMember("scan_from_height")) {
scan_from_height = json["scan_from_height"].GetUint64();
recover = true;
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, filename, std::string, String, true);
password = "";
if (json.HasMember("password")) {
password = json["password"].GetString();
}
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, scan_from_height, uint64_t, Uint64, false);
bool recover = field_scan_from_height_found;
std::string viewkey_string("");
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, password, std::string, String, false);
password = field_password;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, viewkey, std::string, String, false);
crypto::secret_key viewkey;
if (json.HasMember("viewkey")) {
viewkey_string = json["viewkey"].GetString();
if (field_viewkey_found)
{
cryptonote::blobdata viewkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(viewkey_string, viewkey_data))
if(!epee::string_tools::parse_hexstr_to_binbuff(field_viewkey, viewkey_data))
{
fail_msg_writer() << tr("failed to parse view key secret key");
return false;
@ -874,12 +862,12 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
viewkey = *reinterpret_cast<const crypto::secret_key*>(viewkey_data.data());
}
std::string spendkey_string("");
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, spendkey, std::string, String, false);
crypto::secret_key spendkey;
if (json.HasMember("spendkey")) {
spendkey_string = json["spendkey"].GetString();
if (field_spendkey_found)
{
cryptonote::blobdata spendkey_data;
if(!epee::string_tools::parse_hexstr_to_binbuff(spendkey_string, spendkey_data))
if(!epee::string_tools::parse_hexstr_to_binbuff(field_spendkey, spendkey_data))
{
fail_msg_writer() << tr("failed to parse spend key secret key");
return false;
@ -887,30 +875,32 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
spendkey = *reinterpret_cast<const crypto::secret_key*>(spendkey_data.data());
}
std::string seed("");
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, seed, std::string, String, false);
std::string old_language;
if (json.HasMember("seed")) {
seed = json["seed"].GetString();
if (!crypto::ElectrumWords::words_to_bytes(seed, m_recovery_key, old_language))
if (field_seed_found)
{
if (!crypto::ElectrumWords::words_to_bytes(field_seed, m_recovery_key, old_language))
{
fail_msg_writer() << tr("Electrum-style word list failed verification");
return false;
}
m_electrum_seed = seed;
m_electrum_seed = field_seed;
m_restore_deterministic_wallet = true;
}
// compatibility checks
if (seed.empty() && viewkey_string.empty()) {
if (!field_seed_found && !field_viewkey_found)
{
fail_msg_writer() << tr("At least one of Electrum-style word list and private view key must be specified");
return false;
}
if (!seed.empty() && (!viewkey_string.empty() || !spendkey_string.empty())) {
if (field_seed_found && (field_viewkey_found || field_spendkey_found))
{
fail_msg_writer() << tr("Both Electrum-style word list and private key(s) specified");
return false;
}
m_wallet_file = filename;
m_wallet_file = field_filename;
bool was_deprecated_wallet = m_restore_deterministic_wallet && ((old_language == crypto::ElectrumWords::old_language_name) ||
crypto::ElectrumWords::get_is_old_style_seed(m_electrum_seed));
@ -925,7 +915,7 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
try
{
if (!seed.empty())
if (!field_seed.empty())
{
m_wallet->generate(m_wallet_file, password, m_recovery_key, recover, false);
}
@ -941,7 +931,7 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
return false;
}
if (spendkey_string.empty())
if (field_spendkey.empty())
{
m_wallet->generate(m_wallet_file, password, address, viewkey);
}
@ -957,7 +947,7 @@ bool simple_wallet::generate_from_json(const boost::program_options::variables_m
return false;
}
m_wallet->set_refresh_from_block_height(scan_from_height);
m_wallet->set_refresh_from_block_height(field_scan_from_height);
wallet_file = m_wallet_file;

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@ -52,6 +52,7 @@ using namespace epee;
#include "rapidjson/document.h"
#include "rapidjson/writer.h"
#include "rapidjson/stringbuffer.h"
#include "common/json_util.h"
extern "C"
{
@ -1004,7 +1005,7 @@ namespace
* \param keys_file_name Name of wallet file
* \param password Password of wallet file
*/
void wallet2::load_keys(const std::string& keys_file_name, const std::string& password)
bool wallet2::load_keys(const std::string& keys_file_name, const std::string& password)
{
wallet2::keys_file_data keys_file_data;
std::string buf;
@ -1033,34 +1034,44 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
}
else
{
account_data = std::string(json["key_data"].GetString(), json["key_data"].GetString() +
json["key_data"].GetStringLength());
if (json.HasMember("seed_language"))
if (!json.HasMember("key_data"))
{
set_seed_language(std::string(json["seed_language"].GetString(), json["seed_language"].GetString() +
json["seed_language"].GetStringLength()));
LOG_ERROR("Field key_data not found in JSON");
return false;
}
if (json.HasMember("watch_only"))
if (!json["key_data"].IsString())
{
m_watch_only = json["watch_only"].GetInt() != 0;
LOG_ERROR("Field key_data found in JSON, but not String");
return false;
}
else
const char *field_key_data = json["key_data"].GetString();
account_data = std::string(field_key_data, field_key_data + json["key_data"].GetStringLength());
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, seed_language, std::string, String, false);
if (field_seed_language_found)
{
m_watch_only = false;
set_seed_language(field_seed_language);
}
m_always_confirm_transfers = json.HasMember("always_confirm_transfers") && (json["always_confirm_transfers"].GetInt() != 0);
m_store_tx_info = (json.HasMember("store_tx_keys") && (json["store_tx_keys"].GetInt() != 0))
|| (json.HasMember("store_tx_info") && (json["store_tx_info"].GetInt() != 0));
m_default_mixin = json.HasMember("default_mixin") ? json["default_mixin"].GetUint() : 0;
m_auto_refresh = !json.HasMember("auto_refresh") || (json["auto_refresh"].GetInt() != 0);
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, watch_only, int, Int, false);
m_watch_only = field_watch_only_found && field_watch_only;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, always_confirm_transfers, int, Int, false);
m_always_confirm_transfers = field_always_confirm_transfers_found && field_always_confirm_transfers;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, store_tx_keys, int, Int, false);
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, store_tx_info, int, Int, false);
m_store_tx_info = (field_store_tx_keys_found && (field_store_tx_keys != 0))
|| (field_store_tx_info_found && (field_store_tx_info != 0));
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, default_mixin, unsigned int, Uint, false);
m_default_mixin = field_default_mixin_found ? field_default_mixin : 0;
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, auto_refresh, int, Int, false);
m_auto_refresh = !field_auto_refresh_found || (field_auto_refresh != 0);
GET_FIELD_FROM_JSON_RETURN_ON_ERROR(json, refresh_type, int, Int, false);
m_refresh_type = RefreshType::RefreshDefault;
if (json.HasMember("refresh_type"))
if (field_refresh_type_found)
{
int type = json["refresh_type"].GetInt();
if (type == RefreshFull || type == RefreshOptimizeCoinbase || type == RefreshNoCoinbase)
m_refresh_type = (RefreshType)type;
if (field_refresh_type == RefreshFull || field_refresh_type == RefreshOptimizeCoinbase || field_refresh_type == RefreshNoCoinbase)
m_refresh_type = (RefreshType)field_refresh_type;
else
LOG_PRINT_L0("Unknown refresh-type value (" << type << "), using default");
LOG_PRINT_L0("Unknown refresh-type value (" << field_refresh_type << "), using default");
}
}
@ -1070,6 +1081,7 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
if(!m_watch_only)
r = r && verify_keys(keys.m_spend_secret_key, keys.m_account_address.m_spend_public_key);
THROW_WALLET_EXCEPTION_IF(!r, error::invalid_password);
return true;
}
/*!
@ -1358,7 +1370,10 @@ void wallet2::load(const std::string& wallet_, const std::string& password)
bool exists = boost::filesystem::exists(m_keys_file, e);
THROW_WALLET_EXCEPTION_IF(e || !exists, error::file_not_found, m_keys_file);
load_keys(m_keys_file, password);
if (!load_keys(m_keys_file, password))
{
THROW_WALLET_EXCEPTION_IF(true, error::file_read_error, m_keys_file);
}
LOG_PRINT_L0("Loaded wallet keys file, with public address: " << m_account.get_public_address_str(m_testnet));
//keys loaded ok!

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@ -378,7 +378,7 @@ namespace tools
* \param keys_file_name Name of wallet file
* \param password Password of wallet file
*/
void load_keys(const std::string& keys_file_name, const std::string& password);
bool load_keys(const std::string& keys_file_name, const std::string& password);
void process_new_transaction(const cryptonote::transaction& tx, uint64_t height, bool miner_tx);
void process_new_blockchain_entry(const cryptonote::block& b, const cryptonote::block_complete_entry& bche, const crypto::hash& bl_id, uint64_t height);
void detach_blockchain(uint64_t height);