mirror of
https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-23 11:23:26 +01:00
Merge pull request #2860
3dffe71bnew wipeable_string class to replace std::string passphrases (moneromooo-monero)7a2a5741utils: initialize easylogging++ in on_startup (moneromooo-monero)54950829use memwipe in a few relevant places (moneromooo-monero)000666ffadd a memwipe function (moneromooo-monero)
This commit is contained in:
Riccardo Spagni
commit
6c0953b15a
@ -768,3 +768,11 @@ option(BUILD_GUI_DEPS "Build GUI dependencies." OFF)
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option(INSTALL_VENDORED_LIBUNBOUND "Install libunbound binary built from source vendored with this repo." OFF)
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include(CheckCCompilerFlag)
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CHECK_C_COMPILER_FLAG(-std=c11 HAVE_C11)
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include(CheckLibraryExists)
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check_library_exists(c memset_s "string.h" HAVE_MEMSET_S)
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check_library_exists(c explicit_bzero "strings.h" HAVE_EXPLICIT_BZERO)
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@ -33,7 +33,7 @@
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#include <functional>
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#include <string>
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#include <utility>
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#include "wipeable_string.h"
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#include "http_base.h"
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#undef MONERO_DEFAULT_LOG_CATEGORY
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@ -48,12 +48,12 @@ namespace net_utils
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struct login
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{
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login() : username(), password() {}
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login(std::string username_, std::string password_)
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login(std::string username_, wipeable_string password_)
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: username(std::move(username_)), password(std::move(password_))
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{}
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std::string username;
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std::string password;
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wipeable_string password;
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};
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//! Implements RFC 2617 digest auth. Digests from RFC 7616 can be added.
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70
contrib/epee/include/wipeable_string.h
Normal file
70
contrib/epee/include/wipeable_string.h
Normal file
@ -0,0 +1,70 @@
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// Copyright (c) 2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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||||
// conditions and the following disclaimer.
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||||
//
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||||
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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||||
// of conditions and the following disclaimer in the documentation and/or other
|
||||
// materials provided with the distribution.
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||||
//
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||||
// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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||||
// prior written permission.
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||||
//
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||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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||||
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#include <stddef.h>
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#include <vector>
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#include <string>
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namespace epee
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{
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class wipeable_string
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{
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public:
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wipeable_string() {}
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wipeable_string(const wipeable_string &other);
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wipeable_string(wipeable_string &&other);
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wipeable_string(const std::string &other);
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wipeable_string(std::string &&other);
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wipeable_string(const char *s);
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~wipeable_string();
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void wipe();
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void push_back(char c);
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void pop_back();
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const char *data() const noexcept { return buffer.data(); }
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size_t size() const noexcept { return buffer.size(); }
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bool empty() const noexcept { return buffer.empty(); }
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void resize(size_t sz);
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void reserve(size_t sz);
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void clear();
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bool operator==(const wipeable_string &other) const noexcept { return buffer == other.buffer; }
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bool operator!=(const wipeable_string &other) const noexcept { return buffer != other.buffer; }
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wipeable_string &operator=(wipeable_string &&other);
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wipeable_string &operator=(const wipeable_string &other);
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static void set_wipe(void *(*f)(void*, size_t)) { wipefunc = f; }
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private:
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void grow(size_t sz, size_t reserved = 0);
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private:
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std::vector<char> buffer;
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static void *(*wipefunc)(void*, size_t);
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};
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}
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@ -26,7 +26,7 @@
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# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp)
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add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp)
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if (USE_READLINE AND GNU_READLINE_FOUND)
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add_library(epee_readline STATIC readline_buffer.cpp)
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endif()
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@ -125,6 +125,14 @@ namespace
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{
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(*this)(boost::string_ref(arg));
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}
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void operator()(const epee::wipeable_string& arg) const
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{
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md5::MD5Update(
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std::addressof(ctx),
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reinterpret_cast<const std::uint8_t*>(arg.data()),
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arg.size()
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);
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}
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md5::MD5_CTX& ctx;
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};
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146
contrib/epee/src/wipeable_string.cpp
Normal file
146
contrib/epee/src/wipeable_string.cpp
Normal file
@ -0,0 +1,146 @@
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// Copyright (c) 2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
|
||||
// materials provided with the distribution.
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||||
//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
|
||||
// prior written permission.
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||||
//
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||||
// 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
|
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// 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
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// 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
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <string.h>
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#include "misc_log_ex.h"
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#include "wipeable_string.h"
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namespace epee
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{
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void *(*wipeable_string::wipefunc)(void*, size_t) = NULL;
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wipeable_string::wipeable_string(const wipeable_string &other):
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buffer(other.buffer)
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{
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}
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wipeable_string::wipeable_string(wipeable_string &&other)
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{
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if (&other == this)
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return;
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buffer = std::move(other.buffer);
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}
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wipeable_string::wipeable_string(const std::string &other)
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{
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grow(other.size());
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memcpy(buffer.data(), other.c_str(), size());
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}
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wipeable_string::wipeable_string(std::string &&other)
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{
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CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set");
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grow(other.size());
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memcpy(buffer.data(), other.c_str(), size());
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if (!other.empty())
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{
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wipefunc(&other[0], other.size()); // we're kinda left with this again aren't we
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other = std::string();
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}
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}
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wipeable_string::wipeable_string(const char *s)
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{
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grow(strlen(s));
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memcpy(buffer.data(), s, size());
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}
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wipeable_string::~wipeable_string()
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{
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wipe();
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}
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void wipeable_string::wipe()
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{
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CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set");
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wipefunc(buffer.data(), buffer.size() * sizeof(char));
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}
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void wipeable_string::grow(size_t sz, size_t reserved)
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{
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CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set");
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if (reserved == 0)
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reserved = sz;
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CHECK_AND_ASSERT_THROW_MES(reserved >= sz, "reserved < sz");
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if (reserved <= buffer.capacity())
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return;
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size_t old_sz = buffer.size();
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std::unique_ptr<char[]> tmp{new char[old_sz]};
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memcpy(tmp.get(), buffer.data(), old_sz * sizeof(char));
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wipefunc(buffer.data(), old_sz * sizeof(char));
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buffer.reserve(reserved);
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buffer.resize(sz);
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memcpy(buffer.data(), tmp.get(), sz * sizeof(char));
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wipefunc(tmp.get(), old_sz * sizeof(char));
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}
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void wipeable_string::push_back(char c)
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{
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grow(size() + 1);
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buffer.push_back(c);
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}
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void wipeable_string::pop_back()
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{
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resize(size() - 1);
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}
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void wipeable_string::resize(size_t sz)
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{
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CHECK_AND_ASSERT_THROW_MES(wipefunc, "wipefunc is not set");
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if (sz < buffer.size())
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wipefunc(buffer.data() + sz, buffer.size() - sz);
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grow(sz);
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}
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void wipeable_string::reserve(size_t sz)
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{
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grow(size(), sz);
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}
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void wipeable_string::clear()
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{
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resize(0);
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}
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wipeable_string &wipeable_string::operator=(wipeable_string &&other)
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{
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if (&other != this)
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buffer = std::move(other.buffer);
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return *this;
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}
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wipeable_string &wipeable_string::operator=(const wipeable_string &other)
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{
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if (&other != this)
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buffer = other.buffer;
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return *this;
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}
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}
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@ -35,6 +35,7 @@ set(common_sources
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download.cpp
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util.cpp
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i18n.cpp
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memwipe.c
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password.cpp
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perf_timer.cpp
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threadpool.cpp
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@ -63,6 +64,7 @@ set(common_private_headers
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util.h
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varint.h
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i18n.h
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||||
memwipe.h
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||||
password.h
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||||
perf_timer.h
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stack_trace.h
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@ -90,5 +92,9 @@ target_link_libraries(common
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${OPENSSL_LIBRARIES}
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${EXTRA_LIBRARIES})
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if(HAVE_C11)
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SET_PROPERTY(SOURCE memwipe.c PROPERTY COMPILE_FLAGS -std=c11)
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endif()
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||||
#monero_install_headers(common
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# ${common_headers})
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|
||||
106
src/common/memwipe.c
Normal file
106
src/common/memwipe.c
Normal file
@ -0,0 +1,106 @@
|
||||
// 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.
|
||||
//
|
||||
// Parts of this file Copyright (c) 2009-2015 The Bitcoin Core developers
|
||||
|
||||
#define __STDC_WANT_LIB_EXT1__ 1
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#ifdef HAVE_EXPLICIT_BZERO
|
||||
#include <strings.h>
|
||||
#endif
|
||||
#include "memwipe.h"
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#define SCARECROW \
|
||||
__asm;
|
||||
#else
|
||||
#define SCARECROW \
|
||||
__asm__ __volatile__("" : : "r"(ptr) : "memory");
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_MEMSET_S
|
||||
|
||||
void *memwipe(void *ptr, size_t n)
|
||||
{
|
||||
if (memset_s(ptr, n, 0, n))
|
||||
{
|
||||
abort();
|
||||
}
|
||||
SCARECROW // might as well...
|
||||
return ptr;
|
||||
}
|
||||
|
||||
#elif defined HAVE_EXPLICIT_BZERO
|
||||
|
||||
void *memwipe(void *ptr, size_t n)
|
||||
{
|
||||
explicit_bzero(ptr, n);
|
||||
SCARECROW
|
||||
return ptr;
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
/* The memory_cleanse implementation is taken from Bitcoin */
|
||||
|
||||
/* Compilers have a bad habit of removing "superfluous" memset calls that
|
||||
* are trying to zero memory. For example, when memset()ing a buffer and
|
||||
* then free()ing it, the compiler might decide that the memset is
|
||||
* unobservable and thus can be removed.
|
||||
*
|
||||
* Previously we used OpenSSL which tried to stop this by a) implementing
|
||||
* memset in assembly on x86 and b) putting the function in its own file
|
||||
* for other platforms.
|
||||
*
|
||||
* This change removes those tricks in favour of using asm directives to
|
||||
* scare the compiler away. As best as our compiler folks can tell, this is
|
||||
* sufficient and will continue to be so.
|
||||
*
|
||||
* Adam Langley <agl@google.com>
|
||||
* Commit: ad1907fe73334d6c696c8539646c21b11178f20f
|
||||
* BoringSSL (LICENSE: ISC)
|
||||
*/
|
||||
static void memory_cleanse(void *ptr, size_t len)
|
||||
{
|
||||
memset(ptr, 0, len);
|
||||
|
||||
/* As best as we can tell, this is sufficient to break any optimisations that
|
||||
might try to eliminate "superfluous" memsets. If there's an easy way to
|
||||
detect memset_s, it would be better to use that. */
|
||||
SCARECROW
|
||||
}
|
||||
|
||||
void *memwipe(void *ptr, size_t n)
|
||||
{
|
||||
memory_cleanse(ptr, n);
|
||||
SCARECROW
|
||||
return ptr;
|
||||
}
|
||||
|
||||
#endif
|
||||
41
src/common/memwipe.h
Normal file
41
src/common/memwipe.h
Normal file
@ -0,0 +1,41 @@
|
||||
// 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.
|
||||
//
|
||||
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
void *memwipe(void *src, size_t n);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
@ -46,6 +46,8 @@
|
||||
#include "readline_buffer.h"
|
||||
#endif
|
||||
|
||||
#include "common/memwipe.h"
|
||||
|
||||
namespace
|
||||
{
|
||||
#if defined(_WIN32)
|
||||
@ -54,7 +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;
|
||||
|
||||
@ -86,8 +88,7 @@ namespace
|
||||
{
|
||||
if (!pass.empty())
|
||||
{
|
||||
pass.back() = '\0';
|
||||
pass.resize(pass.size() - 1);
|
||||
pass.pop_back();
|
||||
}
|
||||
}
|
||||
else
|
||||
@ -125,7 +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;
|
||||
|
||||
@ -146,8 +147,7 @@ namespace
|
||||
{
|
||||
if (!aPass.empty())
|
||||
{
|
||||
aPass.back() = '\0';
|
||||
aPass.resize(aPass.size() - 1);
|
||||
aPass.pop_back();
|
||||
}
|
||||
}
|
||||
else
|
||||
@ -161,14 +161,7 @@ namespace
|
||||
|
||||
#endif // end !WIN32
|
||||
|
||||
void clear(std::string& pass) noexcept
|
||||
{
|
||||
//! TODO Call a memory wipe function that hopefully is not optimized out
|
||||
pass.replace(0, pass.capacity(), pass.capacity(), '\0');
|
||||
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)
|
||||
{
|
||||
@ -184,8 +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;
|
||||
@ -198,7 +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)
|
||||
@ -233,7 +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)
|
||||
@ -249,9 +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);
|
||||
@ -262,10 +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)};
|
||||
}
|
||||
}
|
||||
|
||||
@ -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
|
||||
|
||||
@ -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 +544,10 @@ std::string get_nix_version_display_string()
|
||||
}
|
||||
bool on_startup()
|
||||
{
|
||||
wipeable_string::set_wipe(&memwipe);
|
||||
|
||||
mlog_configure("", true);
|
||||
|
||||
sanitize_locale();
|
||||
|
||||
#ifdef __GLIBC__
|
||||
|
||||
@ -39,6 +39,7 @@
|
||||
#if defined(__cplusplus)
|
||||
#include <memory.h>
|
||||
|
||||
#include "common/memwipe.h"
|
||||
#include "hash.h"
|
||||
|
||||
namespace crypto {
|
||||
@ -54,7 +55,7 @@ namespace crypto {
|
||||
|
||||
~chacha8_key()
|
||||
{
|
||||
memset(data, 0, sizeof(data));
|
||||
memwipe(data, sizeof(data));
|
||||
}
|
||||
};
|
||||
|
||||
@ -75,7 +76,7 @@ namespace crypto {
|
||||
char pwd_hash[HASH_SIZE];
|
||||
crypto::cn_slow_hash(data, size, pwd_hash);
|
||||
memcpy(&key, pwd_hash, sizeof(key));
|
||||
memset(pwd_hash, 0, sizeof(pwd_hash));
|
||||
memwipe(pwd_hash, sizeof(pwd_hash));
|
||||
}
|
||||
|
||||
inline void generate_chacha8_key(std::string password, chacha8_key& key) {
|
||||
|
||||
@ -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);
|
||||
|
||||
@ -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);
|
||||
|
||||
@ -433,7 +433,7 @@ 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"));
|
||||
@ -1426,7 +1426,7 @@ 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);
|
||||
}
|
||||
@ -2087,12 +2087,12 @@ 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;
|
||||
|
||||
@ -613,7 +613,7 @@ 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)
|
||||
@ -2150,7 +2150,7 @@ 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;
|
||||
@ -2236,7 +2236,7 @@ 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>();
|
||||
@ -2266,7 +2266,7 @@ 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;
|
||||
@ -2277,7 +2277,7 @@ 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]);
|
||||
@ -2401,7 +2401,7 @@ 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);
|
||||
}
|
||||
@ -2418,7 +2418,7 @@ 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;
|
||||
@ -2429,7 +2429,7 @@ 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]);
|
||||
@ -2466,7 +2466,7 @@ 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();
|
||||
@ -2546,7 +2546,7 @@ 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)
|
||||
{
|
||||
@ -2582,7 +2582,7 @@ 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)
|
||||
{
|
||||
@ -2616,7 +2616,7 @@ 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;
|
||||
@ -2629,7 +2629,7 @@ 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;
|
||||
@ -2765,7 +2765,7 @@ 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_);
|
||||
@ -2916,10 +2916,10 @@ 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();
|
||||
|
||||
|
||||
@ -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.
|
||||
@ -839,13 +839,13 @@ 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);
|
||||
|
||||
@ -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()))
|
||||
{
|
||||
|
||||
@ -50,6 +50,7 @@ set(unit_tests_sources
|
||||
hashchain.cpp
|
||||
http.cpp
|
||||
main.cpp
|
||||
memwipe.cpp
|
||||
mnemonics.cpp
|
||||
mul_div.cpp
|
||||
parse_amount.cpp
|
||||
@ -101,6 +102,8 @@ if (NOT MSVC)
|
||||
COMPILE_FLAGS " -Wno-undef -Wno-sign-compare")
|
||||
endif ()
|
||||
|
||||
SET_PROPERTY(SOURCE memwipe.cpp PROPERTY COMPILE_FLAGS -Ofast)
|
||||
|
||||
add_test(
|
||||
NAME unit_tests
|
||||
COMMAND unit_tests --data-dir "${TEST_DATA_DIR}")
|
||||
|
||||
@ -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":"
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
64
tests/unit_tests/memwipe.cpp
Normal file
64
tests/unit_tests/memwipe.cpp
Normal file
@ -0,0 +1,64 @@
|
||||
// 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 "gtest/gtest.h"
|
||||
|
||||
#include <stdint.h>
|
||||
#include "misc_log_ex.h"
|
||||
#include "common/memwipe.h"
|
||||
|
||||
// Probably won't catch the optimized out case, but at least we test
|
||||
// it works in the normal case
|
||||
static void test(bool wipe)
|
||||
{
|
||||
char *foo = (char*)malloc(4);
|
||||
ASSERT_TRUE(foo != NULL);
|
||||
intptr_t foop = (intptr_t)foo;
|
||||
strcpy(foo, "bar");
|
||||
void *bar = wipe ? memwipe(foo, 3) : memset(foo, 0, 3);
|
||||
ASSERT_EQ(foo, bar);
|
||||
free(foo);
|
||||
char *quux = (char*)malloc(4); // same size, just after free, so we're likely to get the same, depending on the allocator
|
||||
if ((intptr_t)quux == foop)
|
||||
{
|
||||
MDEBUG(std::hex << std::setw(8) << std::setfill('0') << *(uint32_t*)quux);
|
||||
if (wipe) ASSERT_TRUE(!memcmp(quux, "\0\0\0", 3));
|
||||
}
|
||||
else MWARNING("We did not get the same location, cannot check");
|
||||
free(quux);
|
||||
}
|
||||
|
||||
TEST(memwipe, control)
|
||||
{
|
||||
test(false);
|
||||
}
|
||||
|
||||
TEST(memwipe, works)
|
||||
{
|
||||
test(true);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user