diff options
| -rw-r--r-- | contrib/epee/include/net/http_auth.h | 6 | ||||
| -rw-r--r-- | contrib/epee/include/wipeable_string.h | 70 | ||||
| -rw-r--r-- | contrib/epee/src/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | contrib/epee/src/http_auth.cpp | 8 | ||||
| -rw-r--r-- | contrib/epee/src/wipeable_string.cpp | 146 | ||||
| -rw-r--r-- | src/common/password.cpp | 36 | ||||
| -rw-r--r-- | src/common/password.h | 6 | ||||
| -rw-r--r-- | src/common/util.cpp | 4 | ||||
| -rw-r--r-- | src/cryptonote_basic/cryptonote_format_utils.cpp | 5 | ||||
| -rw-r--r-- | src/cryptonote_basic/cryptonote_format_utils.h | 9 | ||||
| -rw-r--r-- | src/simplewallet/simplewallet.cpp | 8 | ||||
| -rw-r--r-- | src/wallet/wallet2.cpp | 32 | ||||
| -rw-r--r-- | src/wallet/wallet2.h | 24 | ||||
| -rw-r--r-- | src/wallet/wallet_rpc_server.cpp | 3 | ||||
| -rw-r--r-- | tests/unit_tests/http.cpp | 2 |
15 files changed, 293 insertions, 68 deletions
diff --git a/contrib/epee/include/net/http_auth.h b/contrib/epee/include/net/http_auth.h index bf368e6f4..841cebc17 100644 --- a/contrib/epee/include/net/http_auth.h +++ b/contrib/epee/include/net/http_auth.h @@ -33,7 +33,7 @@ #include <functional> #include <string> #include <utility> - +#include "wipeable_string.h" #include "http_base.h" #undef MONERO_DEFAULT_LOG_CATEGORY @@ -48,12 +48,12 @@ namespace net_utils struct login { login() : username(), password() {} - login(std::string username_, std::string password_) + login(std::string username_, wipeable_string password_) : username(std::move(username_)), password(std::move(password_)) {} std::string username; - std::string password; + wipeable_string password; }; //! Implements RFC 2617 digest auth. Digests from RFC 7616 can be added. diff --git a/contrib/epee/include/wipeable_string.h b/contrib/epee/include/wipeable_string.h new file mode 100644 index 000000000..66d3e8e2b --- /dev/null +++ b/contrib/epee/include/wipeable_string.h @@ -0,0 +1,70 @@ +// Copyright (c) 2017, 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 + +#include <stddef.h> +#include <vector> +#include <string> + +namespace epee +{ + class wipeable_string + { + public: + wipeable_string() {} + wipeable_string(const wipeable_string &other); + wipeable_string(wipeable_string &&other); + wipeable_string(const std::string &other); + wipeable_string(std::string &&other); + wipeable_string(const char *s); + ~wipeable_string(); + void wipe(); + void push_back(char c); + void pop_back(); + const char *data() const noexcept { return buffer.data(); } + size_t size() const noexcept { return buffer.size(); } + bool empty() const noexcept { return buffer.empty(); } + void resize(size_t sz); + void reserve(size_t sz); + void clear(); + bool operator==(const wipeable_string &other) const noexcept { return buffer == other.buffer; } + bool operator!=(const wipeable_string &other) const noexcept { return buffer != other.buffer; } + wipeable_string &operator=(wipeable_string &&other); + wipeable_string &operator=(const wipeable_string &other); + + static void set_wipe(void *(*f)(void*, size_t)) { wipefunc = f; } + + private: + void grow(size_t sz, size_t reserved = 0); + + private: + std::vector<char> buffer; + static void *(*wipefunc)(void*, size_t); + }; +} diff --git a/contrib/epee/src/CMakeLists.txt b/contrib/epee/src/CMakeLists.txt index bd6714791..5cd6d7813 100644 --- a/contrib/epee/src/CMakeLists.txt +++ b/contrib/epee/src/CMakeLists.txt @@ -26,7 +26,7 @@ # 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. -add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp) +add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp) if (USE_READLINE AND GNU_READLINE_FOUND) add_library(epee_readline STATIC readline_buffer.cpp) endif() diff --git a/contrib/epee/src/http_auth.cpp b/contrib/epee/src/http_auth.cpp index 30e562700..f06f05528 100644 --- a/contrib/epee/src/http_auth.cpp +++ b/contrib/epee/src/http_auth.cpp @@ -125,6 +125,14 @@ namespace { (*this)(boost::string_ref(arg)); } + void operator()(const epee::wipeable_string& arg) const + { + md5::MD5Update( + std::addressof(ctx), + reinterpret_cast<const std::uint8_t*>(arg.data()), + arg.size() + ); + } md5::MD5_CTX& ctx; }; diff --git a/contrib/epee/src/wipeable_string.cpp b/contrib/epee/src/wipeable_string.cpp new file mode 100644 index 000000000..75191df71 --- /dev/null +++ b/contrib/epee/src/wipeable_string.cpp @@ -0,0 +1,146 @@ +// Copyright (c) 2017, 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. + +#include <string.h> +#include "misc_log_ex.h" +#include "wipeable_string.h" + +namespace epee +{ + +void *(*wipeable_string::wipefunc)(void*, size_t) = NULL; + +wipeable_string::wipeable_string(const wipeable_string &other): + buffer(other.buffer) +{ +} + +wipeable_string::wipeable_string(wipeable_string &&other) +{ + if (&other == this) + return; + buffer = std::move(other.buffer); +} + +wipeable_string::wipeable_string(const std::string &other) +{ + grow(other.size()); + memcpy(buffer.data(), other.c_str(), size()); +} + +wipeable_string::wipeable_string(std::string &&other) +{ + CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set"); + grow(other.size()); + memcpy(buffer.data(), other.c_str(), size()); + if (!other.empty()) + { + wipefunc(&other[0], other.size()); // we're kinda left with this again aren't we + other = std::string(); + } +} + +wipeable_string::wipeable_string(const char *s) +{ + grow(strlen(s)); + memcpy(buffer.data(), s, size()); +} + +wipeable_string::~wipeable_string() +{ + wipe(); +} + +void wipeable_string::wipe() +{ + CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set"); + wipefunc(buffer.data(), buffer.size() * sizeof(char)); +} + +void wipeable_string::grow(size_t sz, size_t reserved) +{ + CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set"); + if (reserved == 0) + reserved = sz; + CHECK_AND_ASSERT_THROW_MES(reserved >= sz, "reserved < sz"); + if (reserved <= buffer.capacity()) + return; + size_t old_sz = buffer.size(); + std::unique_ptr<char[]> tmp{new char[old_sz]}; + memcpy(tmp.get(), buffer.data(), old_sz * sizeof(char)); + wipefunc(buffer.data(), old_sz * sizeof(char)); + buffer.reserve(reserved); + buffer.resize(sz); + memcpy(buffer.data(), tmp.get(), sz * sizeof(char)); + wipefunc(tmp.get(), old_sz * sizeof(char)); +} + +void wipeable_string::push_back(char c) +{ + grow(size() + 1); + buffer.push_back(c); +} + +void wipeable_string::pop_back() +{ + resize(size() - 1); +} + +void wipeable_string::resize(size_t sz) +{ + CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set"); + if (sz < buffer.size()) + wipefunc(buffer.data() + sz, buffer.size() - sz); + grow(sz); +} + +void wipeable_string::reserve(size_t sz) +{ + grow(size(), sz); +} + +void wipeable_string::clear() +{ + resize(0); +} + +wipeable_string &wipeable_string::operator=(wipeable_string &&other) +{ + if (&other != this) + buffer = std::move(other.buffer); + return *this; +} + +wipeable_string &wipeable_string::operator=(const wipeable_string &other) +{ + if (&other != this) + buffer = other.buffer; + return *this; +} + +} diff --git a/src/common/password.cpp b/src/common/password.cpp index 01eaf62e1..98a49eb80 100644 --- a/src/common/password.cpp +++ b/src/common/password.cpp @@ -56,7 +56,7 @@ namespace return 0 != _isatty(_fileno(stdin)); } - bool read_from_tty(std::string& pass) + bool read_from_tty(epee::wipeable_string& pass) { static constexpr const char BACKSPACE = 8; @@ -88,8 +88,7 @@ namespace { if (!pass.empty()) { - pass.back() = '\0'; - pass.resize(pass.size() - 1); + pass.pop_back(); } } else @@ -127,7 +126,7 @@ namespace return ch; } - bool read_from_tty(std::string& aPass) + bool read_from_tty(epee::wipeable_string& aPass) { static constexpr const char BACKSPACE = 127; @@ -148,8 +147,7 @@ namespace { if (!aPass.empty()) { - aPass.back() = '\0'; - aPass.resize(aPass.size() - 1); + aPass.pop_back(); } } else @@ -163,15 +161,7 @@ namespace #endif // end !WIN32 - void clear(std::string& pass) noexcept - { - // technically, the std::string documentation says the data should not be modified, - // but there seems to be no way to get a non const raw pointer to the data - memwipe((void*)pass.data(), pass.size()); - pass.clear(); - } - - bool read_from_tty(const bool verify, const char *message, std::string& pass1, std::string& pass2) + bool read_from_tty(const bool verify, const char *message, epee::wipeable_string& pass1, epee::wipeable_string& pass2) { while (true) { @@ -187,8 +177,8 @@ namespace if(pass1!=pass2) { std::cout << "Passwords do not match! Please try again." << std::endl; - clear(pass1); - clear(pass2); + pass1.clear(); + pass2.clear(); } else //new password matches return true; @@ -201,7 +191,7 @@ namespace return false; } - bool read_from_file(std::string& pass) + bool read_from_file(epee::wipeable_string& pass) { pass.reserve(tools::password_container::max_password_size); for (size_t i = 0; i < tools::password_container::max_password_size; ++i) @@ -236,7 +226,7 @@ namespace tools password_container::~password_container() noexcept { - clear(m_password); + m_password.clear(); } boost::optional<password_container> password_container::prompt(const bool verify, const char *message) @@ -252,9 +242,8 @@ namespace tools boost::optional<login> login::parse(std::string&& userpass, bool verify, const std::function<boost::optional<password_container>(bool)> &prompt) { login out{}; - password_container wipe{std::move(userpass)}; - const auto loc = wipe.password().find(':'); + const auto loc = userpass.find(':'); if (loc == std::string::npos) { auto result = prompt(verify); @@ -265,10 +254,11 @@ namespace tools } else { - out.password = password_container{wipe.password().substr(loc + 1)}; + out.password = password_container{userpass.substr(loc + 1)}; } - out.username = wipe.password().substr(0, loc); + out.username = userpass.substr(0, loc); + password_container wipe{std::move(userpass)}; return {std::move(out)}; } } diff --git a/src/common/password.h b/src/common/password.h index ba1c30a28..01c6bf05a 100644 --- a/src/common/password.h +++ b/src/common/password.h @@ -32,6 +32,7 @@ #include <string> #include <boost/optional/optional.hpp> +#include "wipeable_string.h" namespace tools { @@ -58,11 +59,10 @@ namespace tools password_container& operator=(const password_container&) = delete; password_container& operator=(password_container&&) = default; - const std::string& password() const noexcept { return m_password; } + const epee::wipeable_string &password() const noexcept { return m_password; } private: - //! TODO Custom allocator that locks to RAM? - std::string m_password; + epee::wipeable_string m_password; }; struct login diff --git a/src/common/util.cpp b/src/common/util.cpp index 0d56e5eb7..eac5a67cf 100644 --- a/src/common/util.cpp +++ b/src/common/util.cpp @@ -36,9 +36,11 @@ #include "include_base_utils.h" #include "file_io_utils.h" +#include "wipeable_string.h" using namespace epee; #include "util.h" +#include "memwipe.h" #include "cryptonote_config.h" #include "net/http_client.h" // epee::net_utils::... @@ -542,6 +544,8 @@ std::string get_nix_version_display_string() } bool on_startup() { + wipeable_string::set_wipe(&memwipe); + mlog_configure("", true); sanitize_locale(); diff --git a/src/cryptonote_basic/cryptonote_format_utils.cpp b/src/cryptonote_basic/cryptonote_format_utils.cpp index 3c760493f..6759f1826 100644 --- a/src/cryptonote_basic/cryptonote_format_utils.cpp +++ b/src/cryptonote_basic/cryptonote_format_utils.cpp @@ -32,6 +32,7 @@ using namespace epee; #include <atomic> +#include "wipeable_string.h" #include "cryptonote_format_utils.h" #include "cryptonote_config.h" #include "crypto/crypto.h" @@ -994,7 +995,7 @@ namespace cryptonote block_hashes_cached = block_hashes_cached_count; } //--------------------------------------------------------------- - crypto::secret_key encrypt_key(crypto::secret_key key, const std::string &passphrase) + crypto::secret_key encrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase) { crypto::hash hash; crypto::cn_slow_hash(passphrase.data(), passphrase.size(), hash); @@ -1002,7 +1003,7 @@ namespace cryptonote return key; } //--------------------------------------------------------------- - crypto::secret_key decrypt_key(crypto::secret_key key, const std::string &passphrase) + crypto::secret_key decrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase) { crypto::hash hash; crypto::cn_slow_hash(passphrase.data(), passphrase.size(), hash); diff --git a/src/cryptonote_basic/cryptonote_format_utils.h b/src/cryptonote_basic/cryptonote_format_utils.h index aebeaa6f4..714d80195 100644 --- a/src/cryptonote_basic/cryptonote_format_utils.h +++ b/src/cryptonote_basic/cryptonote_format_utils.h @@ -38,6 +38,11 @@ #include "crypto/hash.h" #include <unordered_map> +namespace epee +{ + class wipeable_string; +} + namespace cryptonote { //--------------------------------------------------------------- @@ -226,8 +231,8 @@ namespace cryptonote bool is_valid_decomposed_amount(uint64_t amount); void get_hash_stats(uint64_t &tx_hashes_calculated, uint64_t &tx_hashes_cached, uint64_t &block_hashes_calculated, uint64_t & block_hashes_cached); - crypto::secret_key encrypt_key(crypto::secret_key key, const std::string &passphrase); - crypto::secret_key decrypt_key(crypto::secret_key key, const std::string &passphrase); + crypto::secret_key encrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase); + crypto::secret_key decrypt_key(crypto::secret_key key, const epee::wipeable_string &passphrase); #define CHECKED_GET_SPECIFIC_VARIANT(variant_var, specific_type, variable_name, fail_return_val) \ CHECK_AND_ASSERT_MES(variant_var.type() == typeid(specific_type), fail_return_val, "wrong variant type: " << variant_var.type().name() << ", expected " << typeid(specific_type).name()); \ specific_type& variable_name = boost::get<specific_type>(variant_var); diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp index 17462bb81..a20bbd336 100644 --- a/src/simplewallet/simplewallet.cpp +++ b/src/simplewallet/simplewallet.cpp @@ -411,7 +411,7 @@ bool simple_wallet::print_seed(bool encrypted) m_wallet->set_seed_language(mnemonic_language); } - std::string seed_pass; + epee::wipeable_string seed_pass; if (encrypted) { auto pwd_container = tools::password_container::prompt(true, tr("Enter optional seed encryption passphrase, empty to see raw seed")); @@ -1212,7 +1212,7 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm) auto pwd_container = tools::password_container::prompt(false, tr("Enter seed encryption passphrase, empty if none")); if (std::cin.eof() || !pwd_container) return false; - std::string seed_pass = pwd_container->password(); + epee::wipeable_string seed_pass = pwd_container->password(); if (!seed_pass.empty()) m_recovery_key = cryptonote::decrypt_key(m_recovery_key, seed_pass); } @@ -1862,12 +1862,12 @@ bool simple_wallet::open_wallet(const boost::program_options::variables_map& vm) fail_msg_writer() << tr("wallet file path not valid: ") << m_wallet_file; return false; } - std::string password; + epee::wipeable_string password; try { auto rc = tools::wallet2::make_from_file(vm, m_wallet_file, password_prompter); m_wallet = std::move(rc.first); - password = std::move(rc.second).password(); + password = std::move(std::move(rc.second).password()); if (!m_wallet) { return false; diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp index 3a8662890..13bf54212 100644 --- a/src/wallet/wallet2.cpp +++ b/src/wallet/wallet2.cpp @@ -602,7 +602,7 @@ bool wallet2::is_deterministic() const return keys_deterministic; } //---------------------------------------------------------------------------------------------------- -bool wallet2::get_seed(std::string& electrum_words, const std::string &passphrase) const +bool wallet2::get_seed(std::string& electrum_words, const epee::wipeable_string &passphrase) const { bool keys_deterministic = is_deterministic(); if (!keys_deterministic) @@ -2128,7 +2128,7 @@ bool wallet2::clear() * \param watch_only true to save only view key, false to save both spend and view keys * \return Whether it was successful. */ -bool wallet2::store_keys(const std::string& keys_file_name, const std::string& password, bool watch_only) +bool wallet2::store_keys(const std::string& keys_file_name, const epee::wipeable_string& password, bool watch_only) { std::string account_data; cryptonote::account_base account = m_account; @@ -2214,7 +2214,7 @@ bool wallet2::store_keys(const std::string& keys_file_name, const std::string& p // Encrypt the entire JSON object. crypto::chacha8_key key; - crypto::generate_chacha8_key(password, key); + crypto::generate_chacha8_key(password.data(), password.size(), key); std::string cipher; cipher.resize(account_data.size()); keys_file_data.iv = crypto::rand<crypto::chacha8_iv>(); @@ -2244,7 +2244,7 @@ namespace * \param keys_file_name Name of wallet file * \param password Password of wallet file */ -bool wallet2::load_keys(const std::string& keys_file_name, const std::string& password) +bool wallet2::load_keys(const std::string& keys_file_name, const epee::wipeable_string& password) { wallet2::keys_file_data keys_file_data; std::string buf; @@ -2255,7 +2255,7 @@ bool wallet2::load_keys(const std::string& keys_file_name, const std::string& pa 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); + crypto::generate_chacha8_key(password.data(), password.size(), 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]); @@ -2379,7 +2379,7 @@ bool wallet2::load_keys(const std::string& keys_file_name, const std::string& pa * 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 +bool wallet2::verify_password(const epee::wipeable_string& password) const { return verify_password(m_keys_file, password, m_watch_only); } @@ -2396,7 +2396,7 @@ bool wallet2::verify_password(const std::string& password) const * can be used prior to rewriting wallet keys file, to ensure user has entered the correct password * */ -bool wallet2::verify_password(const std::string& keys_file_name, const std::string& password, bool watch_only) +bool wallet2::verify_password(const std::string& keys_file_name, const epee::wipeable_string& password, bool watch_only) { wallet2::keys_file_data keys_file_data; std::string buf; @@ -2407,7 +2407,7 @@ bool wallet2::verify_password(const std::string& keys_file_name, const std::stri 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); + crypto::generate_chacha8_key(password.data(), password.size(), 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]); @@ -2444,7 +2444,7 @@ bool wallet2::verify_password(const std::string& keys_file_name, const std::stri * \param two_random Whether it is a non-deterministic wallet * \return The secret key of the generated wallet */ -crypto::secret_key wallet2::generate(const std::string& wallet_, const std::string& password, +crypto::secret_key wallet2::generate(const std::string& wallet_, const epee::wipeable_string& password, const crypto::secret_key& recovery_param, bool recover, bool two_random) { clear(); @@ -2511,7 +2511,7 @@ crypto::secret_key wallet2::generate(const std::string& wallet_, const std::stri * \param password Password of wallet file * \param viewkey view secret key */ -void wallet2::generate(const std::string& wallet_, const std::string& password, +void wallet2::generate(const std::string& wallet_, const epee::wipeable_string& password, const cryptonote::account_public_address &account_public_address, const crypto::secret_key& viewkey) { @@ -2547,7 +2547,7 @@ void wallet2::generate(const std::string& wallet_, const std::string& password, * \param spendkey spend secret key * \param viewkey view secret key */ -void wallet2::generate(const std::string& wallet_, const std::string& password, +void wallet2::generate(const std::string& wallet_, const epee::wipeable_string& password, const cryptonote::account_public_address &account_public_address, const crypto::secret_key& spendkey, const crypto::secret_key& viewkey) { @@ -2581,7 +2581,7 @@ void wallet2::generate(const std::string& wallet_, const std::string& password, * \param wallet_name Name of wallet file (should exist) * \param password Password for wallet file */ -void wallet2::rewrite(const std::string& wallet_name, const std::string& password) +void wallet2::rewrite(const std::string& wallet_name, const epee::wipeable_string& password) { prepare_file_names(wallet_name); boost::system::error_code ignored_ec; @@ -2594,7 +2594,7 @@ void wallet2::rewrite(const std::string& wallet_name, const std::string& passwor * \param wallet_name Base name of wallet file * \param password Password for wallet file */ -void wallet2::write_watch_only_wallet(const std::string& wallet_name, const std::string& password) +void wallet2::write_watch_only_wallet(const std::string& wallet_name, const epee::wipeable_string& password) { prepare_file_names(wallet_name); boost::system::error_code ignored_ec; @@ -2730,7 +2730,7 @@ bool wallet2::generate_chacha8_key_from_secret_keys(crypto::chacha8_key &key) co return true; } //---------------------------------------------------------------------------------------------------- -void wallet2::load(const std::string& wallet_, const std::string& password) +void wallet2::load(const std::string& wallet_, const epee::wipeable_string& password) { clear(); prepare_file_names(wallet_); @@ -2881,10 +2881,10 @@ std::string wallet2::path() const //---------------------------------------------------------------------------------------------------- void wallet2::store() { - store_to("", ""); + store_to("", epee::wipeable_string()); } //---------------------------------------------------------------------------------------------------- -void wallet2::store_to(const std::string &path, const std::string &password) +void wallet2::store_to(const std::string &path, const epee::wipeable_string &password) { trim_hashchain(); diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h index ce0c67fc3..9308aadeb 100644 --- a/src/wallet/wallet2.h +++ b/src/wallet/wallet2.h @@ -168,7 +168,7 @@ namespace tools //! Just parses variables. static std::unique_ptr<wallet2> make_dummy(const boost::program_options::variables_map& vm, const std::function<boost::optional<password_container>(const char *, bool)> &password_prompter); - static bool verify_password(const std::string& keys_file_name, const std::string& password, bool watch_only); + static bool verify_password(const std::string& keys_file_name, const epee::wipeable_string& password, bool watch_only); wallet2(bool testnet = false, bool restricted = false) : m_run(true), m_callback(0), m_testnet(testnet), m_always_confirm_transfers(true), m_print_ring_members(false), m_store_tx_info(true), m_default_mixin(0), m_default_priority(0), m_refresh_type(RefreshDefault), m_auto_refresh(true), m_refresh_from_block_height(0), m_confirm_missing_payment_id(true), m_ask_password(true), m_min_output_count(0), m_min_output_value(0), m_merge_destinations(false), m_confirm_backlog(true), m_is_initialized(false), m_restricted(restricted), is_old_file_format(false), m_node_rpc_proxy(m_http_client, m_daemon_rpc_mutex), m_light_wallet(false), m_light_wallet_scanned_block_height(0), m_light_wallet_blockchain_height(0), m_light_wallet_connected(false), m_light_wallet_balance(0), m_light_wallet_unlocked_balance(0) {} @@ -398,7 +398,7 @@ namespace tools * \param two_random Whether it is a non-deterministic wallet * \return The secret key of the generated wallet */ - crypto::secret_key generate(const std::string& wallet, const std::string& password, + crypto::secret_key generate(const std::string& wallet, const epee::wipeable_string& password, const crypto::secret_key& recovery_param = crypto::secret_key(), bool recover = false, bool two_random = false); /*! @@ -408,7 +408,7 @@ namespace tools * \param viewkey view secret key * \param spendkey spend secret key */ - void generate(const std::string& wallet, const std::string& password, + void generate(const std::string& wallet, const epee::wipeable_string& password, const cryptonote::account_public_address &account_public_address, const crypto::secret_key& spendkey, const crypto::secret_key& viewkey); /*! @@ -417,7 +417,7 @@ namespace tools * \param password Password of wallet file * \param viewkey view secret key */ - void generate(const std::string& wallet, const std::string& password, + void generate(const std::string& wallet, const epee::wipeable_string& password, const cryptonote::account_public_address &account_public_address, const crypto::secret_key& viewkey = crypto::secret_key()); /*! @@ -425,23 +425,23 @@ namespace tools * \param wallet_name Name of wallet file (should exist) * \param password Password for wallet file */ - void rewrite(const std::string& wallet_name, const std::string& password); - void write_watch_only_wallet(const std::string& wallet_name, const std::string& password); - void load(const std::string& wallet, const std::string& password); + void rewrite(const std::string& wallet_name, const epee::wipeable_string& password); + void write_watch_only_wallet(const std::string& wallet_name, const epee::wipeable_string& password); + void load(const std::string& wallet, const epee::wipeable_string& password); void store(); /*! * \brief store_to - stores wallet to another file(s), deleting old ones * \param path - path to the wallet file (keys and address filenames will be generated based on this filename) * \param password - password to protect new wallet (TODO: probably better save the password in the wallet object?) */ - void store_to(const std::string &path, const std::string &password); + void store_to(const std::string &path, const epee::wipeable_string &password); std::string path() const; /*! * \brief verifies given password is correct for default wallet keys file */ - bool verify_password(const std::string& password) const; + bool verify_password(const epee::wipeable_string& password) const; cryptonote::account_base& get_account(){return m_account;} const cryptonote::account_base& get_account()const{return m_account;} @@ -466,7 +466,7 @@ namespace tools * \brief Checks if deterministic wallet */ bool is_deterministic() const; - bool get_seed(std::string& electrum_words, const std::string &passphrase = std::string()) const; + bool get_seed(std::string& electrum_words, const epee::wipeable_string &passphrase = epee::wipeable_string()) const; /*! * \brief Checks if light wallet. A light wallet sends view key to a server where the blockchain is scanned. @@ -838,13 +838,13 @@ namespace tools * \param watch_only true to save only view key, false to save both spend and view keys * \return Whether it was successful. */ - bool store_keys(const std::string& keys_file_name, const std::string& password, bool watch_only = false); + bool store_keys(const std::string& keys_file_name, const epee::wipeable_string& password, bool watch_only = false); /*! * \brief Load wallet information from wallet file. * \param keys_file_name Name of wallet file * \param password Password of wallet file */ - bool load_keys(const std::string& keys_file_name, const std::string& password); + bool load_keys(const std::string& keys_file_name, const epee::wipeable_string& password); void 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); void process_new_blockchain_entry(const cryptonote::block& b, const cryptonote::block_complete_entry& bche, const crypto::hash& bl_id, uint64_t height, const cryptonote::COMMAND_RPC_GET_BLOCKS_FAST::block_output_indices &o_indices); void detach_blockchain(uint64_t height); diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp index c315684de..e790b9954 100644 --- a/src/wallet/wallet_rpc_server.cpp +++ b/src/wallet/wallet_rpc_server.cpp @@ -206,7 +206,8 @@ namespace tools } std::fputs(http_login->username.c_str(), rpc_login_file.handle()); std::fputc(':', rpc_login_file.handle()); - std::fputs(http_login->password.c_str(), rpc_login_file.handle()); + const epee::wipeable_string password = http_login->password; + std::fwrite(password.data(), 1, password.size(), rpc_login_file.handle()); std::fflush(rpc_login_file.handle()); if (std::ferror(rpc_login_file.handle())) { diff --git a/tests/unit_tests/http.cpp b/tests/unit_tests/http.cpp index 8d8a0965e..135c0984e 100644 --- a/tests/unit_tests/http.cpp +++ b/tests/unit_tests/http.cpp @@ -211,7 +211,7 @@ std::string get_a1(const http::login& user, const fields& src) { const std::string& realm = src.at(u8"realm"); return boost::join( - std::vector<std::string>{user.username, realm, user.password}, u8":" + std::vector<std::string>{user.username, realm, std::string(user.password.data(), user.password.size())}, u8":" ); } |