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Merge pull request #3478

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0f3ff8ce Add the possibility to export private view key for fast scan. (cslashm)
da5de484 Change mutex lock model to avoid dead lock and ensure locks are always released. (cslashm)
4c0545cc Automatic height setup when creating/restoring hw device. (cslashm)
pull/88/head
Riccardo Spagni 6 years ago
parent c29890c2c0 0f3ff8ce2c
commit 35e205cc13
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GPG Key ID: 55432DF31CCD4FCD
8 changed files with 413 additions and 473 deletions
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36
src/device/device.hpp
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@ -80,6 +80,9 @@ namespace hw {
class device {
protected:
std::string name;
public:
device() {}
@ -87,12 +90,12 @@ namespace hw {
virtual ~device() {}
explicit virtual operator bool() const = 0;
static const int SIGNATURE_REAL = 0;
static const int SIGNATURE_FAKE = 1;
std::string name;
enum device_mode {
NONE,
TRANSACTION_CREATE_REAL,
TRANSACTION_CREATE_FAKE,
TRANSACTION_PARSE
};
/* ======================================================================= */
/* SETUP/TEARDOWN */
@ -104,7 +107,18 @@ namespace hw {
virtual bool release() = 0;
virtual bool connect(void) = 0;
virtual bool disconnect() = 0;
virtual bool disconnect(void) = 0;
virtual bool set_mode(device_mode mode) = 0;
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
virtual void lock(void) = 0;
virtual void unlock(void) = 0;
virtual bool try_lock(void) = 0;
/* ======================================================================= */
/* WALLET & ADDRESS */
@ -158,8 +172,6 @@ namespace hw {
virtual bool open_tx(crypto::secret_key &tx_key) = 0;
virtual bool set_signature_mode(unsigned int sig_mode) = 0;
virtual bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) = 0;
bool decrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key)
{
@ -183,6 +195,12 @@ namespace hw {
virtual bool close_tx(void) = 0;
} ;
struct reset_mode {
device& hwref;
reset_mode(hw::device& dev) : hwref(dev) { }
~reset_mode() { hwref.set_mode(hw::device::NONE);}
};
device& get_device(const std::string device_descriptor) ;
}

18
src/device/device_default.cpp
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@ -81,6 +81,20 @@ namespace hw {
dfns();
}
bool device_default::set_mode(device_mode mode) {
return true;
}
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
void device_default::lock() { }
bool device_default::try_lock() { return true; }
void device_default::unlock() { }
/* ======================================================================= */
/* WALLET & ADDRESS */
/* ======================================================================= */
@ -262,10 +276,6 @@ namespace hw {
return true;
}
bool device_default::set_signature_mode(unsigned int sig_mode) {
return true;
}
bool device_default::encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) {
crypto::key_derivation derivation;
crypto::hash hash;

12
src/device/device_default.hpp
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@ -58,7 +58,16 @@ namespace hw {
bool connect(void) override;
bool disconnect() override;
bool set_mode(device_mode mode) override;
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
void lock(void) override;
void unlock(void) override;
bool try_lock(void) override;
/* ======================================================================= */
/* WALLET & ADDRESS */
/* ======================================================================= */
@ -97,9 +106,6 @@ namespace hw {
bool open_tx(crypto::secret_key &tx_key) override;
//bool get_additional_key(const bool subaddr, cryptonote::keypair &additional_txkey) override;
bool set_signature_mode(unsigned int sig_mode) override;
bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) override;
bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) override;

689
src/device/device_ledger.cpp
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File diff suppressed because it is too large Load Diff

46
src/device/device_ledger.hpp
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@ -32,11 +32,11 @@
#include <cstddef>
#include <string>
#include <mutex>
#include "device.hpp"
#include <PCSC/winscard.h>
#include <PCSC/wintypes.h>
#include <boost/thread/mutex.hpp>
#include <boost/thread/recursive_mutex.hpp>
namespace hw {
@ -80,13 +80,11 @@ namespace hw {
class device_ledger : public hw::device {
private:
mutable std::mutex device_locker;
mutable std::mutex tx_locker;
void lock_device() ;
void unlock_device() ;
void lock_tx() ;
void unlock_tx() ;
// Locker for concurrent access
mutable boost::recursive_mutex device_locker;
mutable boost::mutex command_locker;
//PCSC management
std::string full_name;
SCARDCONTEXT hContext;
SCARDHANDLE hCard;
@ -95,15 +93,21 @@ namespace hw {
DWORD length_recv;
BYTE buffer_recv[BUFFER_RECV_SIZE];
unsigned int id;
Keymap key_map;
void logCMD(void);
void logRESP(void);
unsigned int exchange(unsigned int ok=0x9000, unsigned int mask=0xFFFF);
void reset_buffer(void);
// hw running mode
device_mode mode;
// map public destination key to ephemeral destination key
Keymap key_map;
// To speed up blockchain parsing the view key maybe handle here.
crypto::secret_key viewkey;
bool has_view_key;
//extra debug
#ifdef DEBUG_HWDEVICE
device *controle_device;
#endif
@ -130,6 +134,15 @@ namespace hw {
bool connect(void) override;
bool disconnect() override;
bool set_mode(device_mode mode) override;
/* ======================================================================= */
/* LOCKER */
/* ======================================================================= */
void lock(void) override;
void unlock(void) override;
bool try_lock(void) override;
/* ======================================================================= */
/* WALLET & ADDRESS */
/* ======================================================================= */
@ -168,8 +181,6 @@ namespace hw {
bool open_tx(crypto::secret_key &tx_key) override;
bool set_signature_mode(unsigned int sig_mode) override;
bool encrypt_payment_id(crypto::hash8 &payment_id, const crypto::public_key &public_key, const crypto::secret_key &secret_key) override;
bool ecdhEncode(rct::ecdhTuple & unmasked, const rct::key & sharedSec) override;
@ -190,10 +201,9 @@ namespace hw {
};
#ifdef DEBUG_HWDEVICE
extern crypto::secret_key viewkey;
extern crypto::secret_key spendkey;
extern crypto::secret_key dbg_viewkey;
extern crypto::secret_key dbg_spendkey;
#endif
#endif //WITH_DEVICE_LEDGER

10
src/device/log.cpp
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@ -56,8 +56,8 @@ namespace hw {
}
#ifdef DEBUG_HWDEVICE
extern crypto::secret_key viewkey;
extern crypto::secret_key spendkey;
extern crypto::secret_key dbg_viewkey;
extern crypto::secret_key dbg_spendkey;
void decrypt(char* buf, size_t len) {
@ -69,7 +69,7 @@ namespace hw {
if (buf[i] != 0) break;
}
if (i == 32) {
memmove(buf, hw::ledger::viewkey.data, 32);
memmove(buf, hw::ledger::dbg_viewkey.data, 32);
return;
}
//spend key?
@ -77,7 +77,7 @@ namespace hw {
if (buf[i] != (char)0xff) break;
}
if (i == 32) {
memmove(buf, hw::ledger::spendkey.data, 32);
memmove(buf, hw::ledger::dbg_spendkey.data, 32);
return;
}
}
@ -161,4 +161,4 @@ namespace hw {
}
#endif //WITH_DEVICE_LEDGER
}
}

20
src/simplewallet/simplewallet.cpp
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@ -2974,6 +2974,22 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
// create wallet
bool r = new_wallet(vm, "Ledger");
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
// if no block_height is specified, assume its a new account and start it "now"
if(m_wallet->get_refresh_from_block_height() == 0) {
{
tools::scoped_message_writer wrt = tools::msg_writer();
wrt << tr("No restore height is specified.");
wrt << tr("Assumed you are creating a new account, restore will be done from current estimated blockchain height.");
wrt << tr("Use --restore-height if you want to restore an already setup account from a specific height");
}
std::string confirm = input_line(tr("Is this okay? (Y/Yes/N/No): "));
if (std::cin.eof() || !command_line::is_yes(confirm))
CHECK_AND_ASSERT_MES(false, false, tr("account creation aborted"));
m_wallet->set_refresh_from_block_height(m_wallet->estimate_blockchain_height()-1);
m_wallet->explicit_refresh_from_block_height(true);
m_restore_height = m_wallet->get_refresh_from_block_height();
}
}
else
{
@ -2990,7 +3006,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
}
if (m_restoring && m_generate_from_json.empty())
if (m_restoring && m_generate_from_json.empty() && m_generate_from_device.empty())
{
m_wallet->explicit_refresh_from_block_height(!command_line::is_arg_defaulted(vm, arg_restore_height));
}
@ -3388,7 +3404,7 @@ bool simple_wallet::new_wallet(const boost::program_options::variables_map& vm,
try
{
m_wallet->restore(m_wallet_file, std::move(rc.second).password(), device_name);
message_writer(console_color_white, true) << tr("Generated new on device wallet: ")
message_writer(console_color_white, true) << tr("Generated new wallet on hw device: ")
<< m_wallet->get_account().get_public_address_str(m_wallet->nettype());
}
catch (const std::exception& e)

55
src/wallet/wallet2.cpp
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@ -1007,13 +1007,16 @@ void wallet2::set_unspent(size_t idx)
//----------------------------------------------------------------------------------------------------
void wallet2::check_acc_out_precomp(const tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info) const
{
hw::device &hwdev = m_account.get_device();
std::unique_lock<hw::device> hwdev_lock (hwdev);
hwdev.set_mode(hw::device::TRANSACTION_PARSE);
if (o.target.type() != typeid(txout_to_key))
{
tx_scan_info.error = true;
LOG_ERROR("wrong type id in transaction out");
return;
}
tx_scan_info.received = is_out_to_acc_precomp(m_subaddresses, boost::get<txout_to_key>(o.target).key, derivation, additional_derivations, i, m_account.get_device());
tx_scan_info.received = is_out_to_acc_precomp(m_subaddresses, boost::get<txout_to_key>(o.target).key, derivation, additional_derivations, i, hwdev);
if(tx_scan_info.received)
{
tx_scan_info.money_transfered = o.amount; // may be 0 for ringct outputs
@ -1080,9 +1083,15 @@ void wallet2::scan_output(const cryptonote::transaction &tx, const crypto::publi
//----------------------------------------------------------------------------------------------------
void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote::transaction& tx, const std::vector<uint64_t> &o_indices, uint64_t height, uint64_t ts, bool miner_tx, bool pool, bool double_spend_seen)
{
// In this function, tx (probably) only contains the base information
// (that is, the prunable stuff may or may not be included)
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
hwdev_lock.unlock();
// In this function, tx (probably) only contains the base information
// (that is, the prunable stuff may or may not be included)
if (!miner_tx && !pool)
process_unconfirmed(txid, tx, height);
std::vector<size_t> outs;
@ -1119,8 +1128,10 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
tools::threadpool& tpool = tools::threadpool::getInstance();
tools::threadpool::waiter waiter;
const cryptonote::account_keys& keys = m_account.get_keys();
hw::device &hwdev = m_account.get_device();
crypto::key_derivation derivation;
hwdev_lock.lock();
hwdev.set_mode(hw::device::TRANSACTION_PARSE);
if (!hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, derivation))
{
MWARNING("Failed to generate key derivation from tx pubkey, skipping");
@ -1140,6 +1151,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
additional_derivations.pop_back();
}
}
hwdev_lock.unlock();
if (miner_tx && m_refresh_type == RefreshNoCoinbase)
{
@ -1161,16 +1173,19 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
std::ref(tx_scan_info[i])));
}
waiter.wait();
// then scan all outputs from 0
hwdev_lock.lock();
hwdev.set_mode(hw::device::NONE);
for (size_t i = 0; i < tx.vout.size(); ++i)
{
THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
if (tx_scan_info[i].received)
{
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
}
}
hwdev_lock.unlock();
}
}
else if (tx.vout.size() > 1 && tools::threadpool::getInstance().get_max_concurrency() > 1)
@ -1181,14 +1196,19 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
std::ref(tx_scan_info[i])));
}
waiter.wait();
hwdev_lock.lock();
hwdev.set_mode(hw::device::NONE);
for (size_t i = 0; i < tx.vout.size(); ++i)
{
THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
if (tx_scan_info[i].received)
{
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
}
}
hwdev_lock.unlock();
}
else
{
@ -1198,7 +1218,11 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
if (tx_scan_info[i].received)
{
hwdev_lock.lock();
hwdev.set_mode(hw::device::NONE);
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
hwdev_lock.unlock();
}
}
}
@ -7259,6 +7283,11 @@ bool wallet2::light_wallet_key_image_is_ours(const crypto::key_image& key_image,
// usable balance.
std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryptonote::tx_destination_entry> dsts, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra, uint32_t subaddr_account, std::set<uint32_t> subaddr_indices, bool trusted_daemon)
{
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
if(m_light_wallet) {
// Populate m_transfers
light_wallet_get_unspent_outs();
@ -7476,8 +7505,8 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
unsigned int original_output_index = 0;
std::vector<size_t>* unused_transfers_indices = &unused_transfers_indices_per_subaddr[0].second;
std::vector<size_t>* unused_dust_indices = &unused_dust_indices_per_subaddr[0].second;
hw::device &hwdev = m_account.get_device();
hwdev.set_signature_mode(hw::device::SIGNATURE_FAKE);
hwdev.set_mode(hw::device::TRANSACTION_CREATE_FAKE);
while ((!dsts.empty() && dsts[0].amount > 0) || adding_fee || !preferred_inputs.empty() || should_pick_a_second_output(use_rct, txes.back().selected_transfers.size(), *unused_transfers_indices, *unused_dust_indices)) {
TX &tx = txes.back();
@ -7706,7 +7735,7 @@ skip_tx:
LOG_PRINT_L1("Done creating " << txes.size() << " transactions, " << print_money(accumulated_fee) <<
" total fee, " << print_money(accumulated_change) << " total change");
hwdev.set_signature_mode(hw::device::SIGNATURE_REAL);
hwdev.set_mode(hw::device::TRANSACTION_CREATE_REAL);
for (std::vector<TX>::iterator i = txes.begin(); i != txes.end(); ++i)
{
TX &tx = *i;
@ -7837,6 +7866,11 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_single(const crypt
std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const cryptonote::account_public_address &address, bool is_subaddress, std::vector<size_t> unused_transfers_indices, std::vector<size_t> unused_dust_indices, const size_t fake_outs_count, const uint64_t unlock_time, uint32_t priority, const std::vector<uint8_t>& extra, bool trusted_daemon)
{
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
uint64_t accumulated_fee, accumulated_outputs, accumulated_change;
struct TX {
std::vector<size_t> selected_transfers;
@ -7869,8 +7903,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
needed_fee = 0;
// while we have something to send
hw::device &hwdev = m_account.get_device();
hwdev.set_signature_mode(hw::device::SIGNATURE_FAKE);
hwdev.set_mode(hw::device::TRANSACTION_CREATE_FAKE);
while (!unused_dust_indices.empty() || !unused_transfers_indices.empty()) {
TX &tx = txes.back();
@ -7956,7 +7989,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
LOG_PRINT_L1("Done creating " << txes.size() << " transactions, " << print_money(accumulated_fee) <<
" total fee, " << print_money(accumulated_change) << " total change");
hwdev.set_signature_mode(hw::device::SIGNATURE_REAL);
hwdev.set_mode(hw::device::TRANSACTION_CREATE_REAL);
for (std::vector<TX>::iterator i = txes.begin(); i != txes.end(); ++i)
{
TX &tx = *i;

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