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Bug fix

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MoneroOcean
2020-07-15 11:09:49 -07:00
parent e32d76ab22
commit b9306c6cf3
4 changed files with 313 additions and 0 deletions
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45
src/contrib/epee/include/fnv1.h Normal file
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// Copyright (c) 2018, 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
namespace epee
{
namespace fnv
{
inline uint64_t FNV1a(const char *ptr, size_t sz)
{
uint64_t h = 0xcbf29ce484222325;
for (size_t i = 0; i < sz; ++i)
h = (h ^ *(const uint8_t*)ptr++) * 0x100000001b3;
return h;
}
}
}

78
src/contrib/epee/include/hex.h Normal file
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// Copyright (c) 2017-2019, 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 <array>
#include <cstdint>
#include <iosfwd>
#include <string>
#include <boost/utility/string_ref.hpp>
#include "wipeable_string.h"
#include "span.h"
namespace epee
{
struct to_hex
{
//! \return A std::string containing hex of `src`.
static std::string string(const span<const std::uint8_t> src);
//! \return A epee::wipeable_string containing hex of `src`.
static epee::wipeable_string wipeable_string(const span<const std::uint8_t> src);
template<typename T> static epee::wipeable_string wipeable_string(const T &pod) { return wipeable_string(span<const uint8_t>((const uint8_t*)&pod, sizeof(pod))); }
//! \return An array containing hex of `src`.
template<std::size_t N>
static std::array<char, N * 2> array(const std::array<std::uint8_t, N>& src) noexcept
{
std::array<char, N * 2> out{{}};
static_assert(N <= 128, "keep the stack size down");
buffer_unchecked(out.data(), {src.data(), src.size()});
return out;
}
//! Append `src` as hex to `out`.
static void buffer(std::ostream& out, const span<const std::uint8_t> src);
//! Append `< + src + >` as hex to `out`.
static void formatted(std::ostream& out, const span<const std::uint8_t> src);
private:
template<typename T> T static convert(const span<const std::uint8_t> src);
//! Write `src` bytes as hex to `out`. `out` must be twice the length
static void buffer_unchecked(char* out, const span<const std::uint8_t> src) noexcept;
};
struct from_hex
{
//! \return An std::vector of unsigned integers from the `src`
static std::vector<uint8_t> vector(boost::string_ref src);
};
}

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src/contrib/epee/include/memwipe.h Normal file
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// Copyright (c) 2017-2019, 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
#include <array>
extern "C" {
#endif
void *memwipe(void *src, size_t n);
#ifdef __cplusplus
}
#endif
#ifdef __cplusplus
namespace tools {
/// Scrubs data in the contained type upon destruction.
///
/// Primarily useful for making sure that private keys don't stick around in
/// memory after the objects that held them have gone out of scope.
template <class T>
struct scrubbed : public T {
using type = T;
~scrubbed() {
scrub();
}
/// Destroy the contents of the contained type.
void scrub() {
static_assert(std::is_pod<T>::value,
"T cannot be auto-scrubbed. T must be POD.");
static_assert(std::is_trivially_destructible<T>::value,
"T cannot be auto-scrubbed. T must be trivially destructable.");
memwipe(this, sizeof(T));
}
};
template<typename T>
T& unwrap(scrubbed<T>& src) { return src; }
template<typename T>
const T& unwrap(scrubbed<T> const& src) { return src; }
template <class T, size_t N>
using scrubbed_arr = scrubbed<std::array<T, N>>;
} // namespace tools
#endif // __cplusplus

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src/contrib/epee/include/wipeable_string.h Normal file
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// Copyright (c) 2017-2019, 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 <boost/optional/optional.hpp>
#include <stddef.h>
#include <vector>
#include <string>
#include "memwipe.h"
#include "fnv1.h"
namespace epee
{
class wipeable_string
{
public:
typedef char value_type;
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(const char *s, size_t len);
~wipeable_string();
void wipe();
void push_back(char c);
void operator+=(char c);
void operator+=(const std::string &s);
void operator+=(const epee::wipeable_string &s);
void operator+=(const char *s);
void append(const char *ptr, size_t len);
char pop_back();
const char *data() const noexcept { return buffer.data(); }
char *data() noexcept { return buffer.data(); }
size_t size() const noexcept { return buffer.size(); }
size_t length() const noexcept { return buffer.size(); }
bool empty() const noexcept { return buffer.empty(); }
void trim();
void split(std::vector<wipeable_string> &fields) const;
boost::optional<wipeable_string> parse_hexstr() const;
template<typename T> inline bool hex_to_pod(T &pod) const;
template<typename T> inline bool hex_to_pod(tools::scrubbed<T> &pod) const { return hex_to_pod(unwrap(pod)); }
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);
private:
void grow(size_t sz, size_t reserved = 0);
private:
std::vector<char> buffer;
};
template<typename T> inline bool wipeable_string::hex_to_pod(T &pod) const
{
static_assert(std::is_pod<T>::value, "expected pod type");
if (size() != sizeof(T) * 2)
return false;
boost::optional<epee::wipeable_string> blob = parse_hexstr();
if (!blob)
return false;
if (blob->size() != sizeof(T))
return false;
pod = *(const T*)blob->data();
return true;
}
}
namespace std
{
template<> struct hash<epee::wipeable_string>
{
size_t operator()(const epee::wipeable_string &s) const
{
return epee::fnv::FNV1a(s.data(), s.size());
}
};
}