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Merge pull request #8545

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12e7c41 Merge pull request #5 from j-berman/restore-msig-encrypted-seed (Justin Berman)
848a0c0 Fix segfault restoring encrypted multisig seed (j-berman)
401f5d9 Require user ack multisig is experimental to restore (j-berman)
fc8a5d6 multisig: fix #8537 seed restore (suggestions by @UkoeHB) (j-berman)
This commit is contained in:
luigi1111 2022-09-15 16:25:22 -05:00
commit 7cbae6ca98
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8 changed files with 56 additions and 28 deletions
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45
src/simplewallet/simplewallet.cpp
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@ -4116,6 +4116,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
epee::wipeable_string multisig_keys;
epee::wipeable_string password;
epee::wipeable_string seed_pass;
if (!handle_command_line(vm))
return false;
@ -4132,6 +4133,17 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
if(!ask_wallet_create_if_needed()) return false;
}
bool enable_multisig = false;
if (m_restore_multisig_wallet) {
fail_msg_writer() << tr("Multisig is disabled.");
fail_msg_writer() << tr("Multisig is an experimental feature and may have bugs. Things that could go wrong include: funds sent to a multisig wallet can't be spent at all, can only be spent with the participation of a malicious group member, or can be stolen by a malicious group member.");
if (!command_line::is_yes(input_line("Do you want to continue restoring a multisig wallet?", true))) {
message_writer() << tr("You have canceled restoring a multisig wallet.");
return false;
}
enable_multisig = true;
}
if (!m_generate_new.empty() || m_restoring)
{
if (!m_subaddress_lookahead.empty() && !parse_subaddress_lookahead(m_subaddress_lookahead))
@ -4211,19 +4223,9 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
auto pwd_container = password_prompter(tr("Enter seed offset passphrase, empty if none"), false);
if (std::cin.eof() || !pwd_container)
return false;
epee::wipeable_string seed_pass = pwd_container->password();
if (!seed_pass.empty())
{
if (m_restore_multisig_wallet)
{
crypto::secret_key key;
crypto::cn_slow_hash(seed_pass.data(), seed_pass.size(), (crypto::hash&)key);
sc_reduce32((unsigned char*)key.data);
multisig_keys = m_wallet->decrypt<epee::wipeable_string>(std::string(multisig_keys.data(), multisig_keys.size()), key, true);
}
else
m_recovery_key = cryptonote::decrypt_key(m_recovery_key, seed_pass);
}
seed_pass = pwd_container->password();
if (!seed_pass.empty() && !m_restore_multisig_wallet)
m_recovery_key = cryptonote::decrypt_key(m_recovery_key, seed_pass);
}
if (!m_generate_from_view_key.empty())
{
@ -4566,7 +4568,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
m_wallet_file = m_generate_new;
boost::optional<epee::wipeable_string> r;
if (m_restore_multisig_wallet)
r = new_wallet(vm, multisig_keys, old_language);
r = new_wallet(vm, multisig_keys, seed_pass, old_language);
else
r = new_wallet(vm, m_recovery_key, m_restore_deterministic_wallet, m_non_deterministic, old_language);
CHECK_AND_ASSERT_MES(r, false, tr("account creation failed"));
@ -4665,6 +4667,8 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
}
m_wallet->set_refresh_from_block_height(m_restore_height);
}
if (enable_multisig)
m_wallet->enable_multisig(true);
m_wallet->rewrite(m_wallet_file, password);
}
else
@ -5062,7 +5066,7 @@ boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::pr
}
//----------------------------------------------------------------------------------------------------
boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::program_options::variables_map& vm,
const epee::wipeable_string &multisig_keys, const std::string &old_language)
const epee::wipeable_string &multisig_keys, const epee::wipeable_string &seed_pass, const std::string &old_language)
{
std::pair<std::unique_ptr<tools::wallet2>, tools::password_container> rc;
try { rc = tools::wallet2::make_new(vm, false, password_prompter); }
@ -5096,7 +5100,16 @@ boost::optional<epee::wipeable_string> simple_wallet::new_wallet(const boost::pr
try
{
m_wallet->generate(m_wallet_file, std::move(rc.second).password(), multisig_keys, create_address_file);
if (seed_pass.empty())
m_wallet->generate(m_wallet_file, std::move(rc.second).password(), multisig_keys, create_address_file);
else
{
crypto::secret_key key;
crypto::cn_slow_hash(seed_pass.data(), seed_pass.size(), (crypto::hash&)key);
sc_reduce32((unsigned char*)key.data);
const epee::wipeable_string &msig_keys = m_wallet->decrypt<epee::wipeable_string>(std::string(multisig_keys.data(), multisig_keys.size()), key, true);
m_wallet->generate(m_wallet_file, std::move(rc.second).password(), msig_keys, create_address_file);
}
bool ready;
uint32_t threshold, total;
if (!m_wallet->multisig(&ready, &threshold, &total) || !ready)