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remove dependency on serialize.h and util.h for SecureString

0.8
Wladimir J. van der Laan 13 years ago
parent
f0b5e9e116
commit
6cb6d62347
6 changed files with 125 additions and 117 deletions
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  1. 3
      bitcoin-qt.pro
  2. 119
      src/allocators.h
  3. 2
      src/crypter.h
  4. 2
      src/qt/walletmodel.h
  5. 106
      src/serialize.h
  6. 10
      src/util.h

3
bitcoin-qt.pro
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@ -155,7 +155,8 @@ HEADERS += src/qt/bitcoingui.h \ @@ -155,7 +155,8 @@ HEADERS += src/qt/bitcoingui.h \
src/qt/askpassphrasedialog.h \
src/protocol.h \
src/qt/notificator.h \
src/qt/qtipcserver.h
src/qt/qtipcserver.h \
src/allocators.h
SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
src/qt/transactiontablemodel.cpp \

119
src/allocators.h
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@ -0,0 +1,119 @@ @@ -0,0 +1,119 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_ALLOCATORS_H
#define BITCOIN_ALLOCATORS_H
#include <string>
#ifdef WIN32
#define _WIN32_WINNT 0x0501
#define WIN32_LEAN_AND_MEAN 1
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
// This is used to attempt to keep keying material out of swap
// Note that VirtualLock does not provide this as a guarantee on Windows,
// but, in practice, memory that has been VirtualLock'd almost never gets written to
// the pagefile except in rare circumstances where memory is extremely low.
#define mlock(p, n) VirtualLock((p), (n));
#define munlock(p, n) VirtualUnlock((p), (n));
#else
#include <sys/mman.h>
#include <limits.h>
/* This comes from limits.h if it's not defined there set a sane default */
#ifndef PAGESIZE
#include <unistd.h>
#define PAGESIZE sysconf(_SC_PAGESIZE)
#endif
#define mlock(a,b) \
mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#define munlock(a,b) \
munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#endif
//
// Allocator that locks its contents from being paged
// out of memory and clears its contents before deletion.
//
template<typename T>
struct secure_allocator : public std::allocator<T>
{
// MSVC8 default copy constructor is broken
typedef std::allocator<T> base;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::reference reference;
typedef typename base::const_reference const_reference;
typedef typename base::value_type value_type;
secure_allocator() throw() {}
secure_allocator(const secure_allocator& a) throw() : base(a) {}
template <typename U>
secure_allocator(const secure_allocator<U>& a) throw() : base(a) {}
~secure_allocator() throw() {}
template<typename _Other> struct rebind
{ typedef secure_allocator<_Other> other; };
T* allocate(std::size_t n, const void *hint = 0)
{
T *p;
p = std::allocator<T>::allocate(n, hint);
if (p != NULL)
mlock(p, sizeof(T) * n);
return p;
}
void deallocate(T* p, std::size_t n)
{
if (p != NULL)
{
memset(p, 0, sizeof(T) * n);
munlock(p, sizeof(T) * n);
}
std::allocator<T>::deallocate(p, n);
}
};
//
// Allocator that clears its contents before deletion.
//
template<typename T>
struct zero_after_free_allocator : public std::allocator<T>
{
// MSVC8 default copy constructor is broken
typedef std::allocator<T> base;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::reference reference;
typedef typename base::const_reference const_reference;
typedef typename base::value_type value_type;
zero_after_free_allocator() throw() {}
zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {}
template <typename U>
zero_after_free_allocator(const zero_after_free_allocator<U>& a) throw() : base(a) {}
~zero_after_free_allocator() throw() {}
template<typename _Other> struct rebind
{ typedef zero_after_free_allocator<_Other> other; };
void deallocate(T* p, std::size_t n)
{
if (p != NULL)
memset(p, 0, sizeof(T) * n);
std::allocator<T>::deallocate(p, n);
}
};
// This is exactly like std::string, but with a custom allocator.
// (secure_allocator<> is defined in serialize.h)
typedef std::basic_string<char, std::char_traits<char>, secure_allocator<char> > SecureString;
#endif

2
src/crypter.h
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@ -4,7 +4,7 @@ @@ -4,7 +4,7 @@
#ifndef __CRYPTER_H__
#define __CRYPTER_H__
#include "util.h" /* for SecureString */
#include "allocators.h" /* for SecureString */
#include "key.h"
const unsigned int WALLET_CRYPTO_KEY_SIZE = 32;

2
src/qt/walletmodel.h
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@ -3,7 +3,7 @@ @@ -3,7 +3,7 @@
#include <QObject>
#include "util.h"
#include "allocators.h" /* for SecureString */
class OptionsModel;
class AddressTableModel;

106
src/serialize.h
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@ -19,38 +19,11 @@ @@ -19,38 +19,11 @@
#include <boost/tuple/tuple_comparison.hpp>
#include <boost/tuple/tuple_io.hpp>
#include "allocators.h"
typedef long long int64;
typedef unsigned long long uint64;
#ifdef WIN32
#define _WIN32_WINNT 0x0501
#define WIN32_LEAN_AND_MEAN 1
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
// This is used to attempt to keep keying material out of swap
// Note that VirtualLock does not provide this as a guarantee on Windows,
// but, in practice, memory that has been VirtualLock'd almost never gets written to
// the pagefile except in rare circumstances where memory is extremely low.
#define mlock(p, n) VirtualLock((p), (n));
#define munlock(p, n) VirtualUnlock((p), (n));
#else
#include <sys/mman.h>
#include <limits.h>
/* This comes from limits.h if it's not defined there set a sane default */
#ifndef PAGESIZE
#include <unistd.h>
#define PAGESIZE sysconf(_SC_PAGESIZE)
#endif
#define mlock(a,b) \
mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#define munlock(a,b) \
munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
(((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
#endif
class CScript;
class CDataStream;
class CAutoFile;
@ -779,81 +752,6 @@ struct ser_streamplaceholder @@ -779,81 +752,6 @@ struct ser_streamplaceholder
//
// Allocator that locks its contents from being paged
// out of memory and clears its contents before deletion.
//
template<typename T>
struct secure_allocator : public std::allocator<T>
{
// MSVC8 default copy constructor is broken
typedef std::allocator<T> base;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::reference reference;
typedef typename base::const_reference const_reference;
typedef typename base::value_type value_type;
secure_allocator() throw() {}
secure_allocator(const secure_allocator& a) throw() : base(a) {}
template <typename U>
secure_allocator(const secure_allocator<U>& a) throw() : base(a) {}
~secure_allocator() throw() {}
template<typename _Other> struct rebind
{ typedef secure_allocator<_Other> other; };
T* allocate(std::size_t n, const void *hint = 0)
{
T *p;
p = std::allocator<T>::allocate(n, hint);
if (p != NULL)
mlock(p, sizeof(T) * n);
return p;
}
void deallocate(T* p, std::size_t n)
{
if (p != NULL)
{
memset(p, 0, sizeof(T) * n);
munlock(p, sizeof(T) * n);
}
std::allocator<T>::deallocate(p, n);
}
};
//
// Allocator that clears its contents before deletion.
//
template<typename T>
struct zero_after_free_allocator : public std::allocator<T>
{
// MSVC8 default copy constructor is broken
typedef std::allocator<T> base;
typedef typename base::size_type size_type;
typedef typename base::difference_type difference_type;
typedef typename base::pointer pointer;
typedef typename base::const_pointer const_pointer;
typedef typename base::reference reference;
typedef typename base::const_reference const_reference;
typedef typename base::value_type value_type;
zero_after_free_allocator() throw() {}
zero_after_free_allocator(const zero_after_free_allocator& a) throw() : base(a) {}
template <typename U>
zero_after_free_allocator(const zero_after_free_allocator<U>& a) throw() : base(a) {}
~zero_after_free_allocator() throw() {}
template<typename _Other> struct rebind
{ typedef zero_after_free_allocator<_Other> other; };
void deallocate(T* p, std::size_t n)
{
if (p != NULL)
memset(p, 0, sizeof(T) * n);
std::allocator<T>::deallocate(p, n);
}
};

10
src/util.h
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@ -267,16 +267,6 @@ public: @@ -267,16 +267,6 @@ public:
// This is exactly like std::string, but with a custom allocator.
// (secure_allocator<> is defined in serialize.h)
typedef std::basic_string<char, std::char_traits<char>, secure_allocator<char> > SecureString;
inline std::string i64tostr(int64 n)
{
return strprintf("%"PRI64d, n);

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