mirror of
https://github.com/hashcat/hashcat.git
synced 2024-11-27 02:18:21 +00:00
456 lines
9.8 KiB
C
456 lines
9.8 KiB
C
/* Alloc.c -- Memory allocation functions
|
|
2018-04-27 : Igor Pavlov : Public domain */
|
|
|
|
#include "Precomp.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
|
|
#include "Alloc.h"
|
|
|
|
/* #define _SZ_ALLOC_DEBUG */
|
|
|
|
/* use _SZ_ALLOC_DEBUG to debug alloc/free operations */
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
|
|
#include <stdio.h>
|
|
int g_allocCount = 0;
|
|
int g_allocCountMid = 0;
|
|
int g_allocCountBig = 0;
|
|
|
|
|
|
#define CONVERT_INT_TO_STR(charType, tempSize) \
|
|
unsigned char temp[tempSize]; unsigned i = 0; \
|
|
while (val >= 10) { temp[i++] = (unsigned char)('0' + (unsigned)(val % 10)); val /= 10; } \
|
|
*s++ = (charType)('0' + (unsigned)val); \
|
|
while (i != 0) { i--; *s++ = temp[i]; } \
|
|
*s = 0;
|
|
|
|
static void ConvertUInt64ToString(UInt64 val, char *s)
|
|
{
|
|
CONVERT_INT_TO_STR(char, 24);
|
|
}
|
|
|
|
#define GET_HEX_CHAR(t) ((char)(((t < 10) ? ('0' + t) : ('A' + (t - 10)))))
|
|
|
|
static void ConvertUInt64ToHex(UInt64 val, char *s)
|
|
{
|
|
UInt64 v = val;
|
|
unsigned i;
|
|
for (i = 1;; i++)
|
|
{
|
|
v >>= 4;
|
|
if (v == 0)
|
|
break;
|
|
}
|
|
s[i] = 0;
|
|
do
|
|
{
|
|
unsigned t = (unsigned)(val & 0xF);
|
|
val >>= 4;
|
|
s[--i] = GET_HEX_CHAR(t);
|
|
}
|
|
while (i);
|
|
}
|
|
|
|
#define DEBUG_OUT_STREAM stderr
|
|
|
|
static void Print(const char *s)
|
|
{
|
|
fputs(s, DEBUG_OUT_STREAM);
|
|
}
|
|
|
|
static void PrintAligned(const char *s, size_t align)
|
|
{
|
|
size_t len = strlen(s);
|
|
for(;;)
|
|
{
|
|
fputc(' ', DEBUG_OUT_STREAM);
|
|
if (len >= align)
|
|
break;
|
|
++len;
|
|
}
|
|
Print(s);
|
|
}
|
|
|
|
static void PrintLn()
|
|
{
|
|
Print("\n");
|
|
}
|
|
|
|
static void PrintHex(UInt64 v, size_t align)
|
|
{
|
|
char s[32];
|
|
ConvertUInt64ToHex(v, s);
|
|
PrintAligned(s, align);
|
|
}
|
|
|
|
static void PrintDec(UInt64 v, size_t align)
|
|
{
|
|
char s[32];
|
|
ConvertUInt64ToString(v, s);
|
|
PrintAligned(s, align);
|
|
}
|
|
|
|
static void PrintAddr(void *p)
|
|
{
|
|
PrintHex((UInt64)(size_t)(ptrdiff_t)p, 12);
|
|
}
|
|
|
|
|
|
#define PRINT_ALLOC(name, cnt, size, ptr) \
|
|
Print(name " "); \
|
|
PrintDec(cnt++, 10); \
|
|
PrintHex(size, 10); \
|
|
PrintAddr(ptr); \
|
|
PrintLn();
|
|
|
|
#define PRINT_FREE(name, cnt, ptr) if (ptr) { \
|
|
Print(name " "); \
|
|
PrintDec(--cnt, 10); \
|
|
PrintAddr(ptr); \
|
|
PrintLn(); }
|
|
|
|
#else
|
|
|
|
#define PRINT_ALLOC(name, cnt, size, ptr)
|
|
#define PRINT_FREE(name, cnt, ptr)
|
|
#define Print(s)
|
|
#define PrintLn()
|
|
#define PrintHex(v, align)
|
|
#define PrintDec(v, align)
|
|
#define PrintAddr(p)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
void *MyAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
#ifdef _SZ_ALLOC_DEBUG
|
|
{
|
|
void *p = malloc(size);
|
|
PRINT_ALLOC("Alloc ", g_allocCount, size, p);
|
|
return p;
|
|
}
|
|
#else
|
|
return malloc(size);
|
|
#endif
|
|
}
|
|
|
|
void MyFree(void *address)
|
|
{
|
|
PRINT_FREE("Free ", g_allocCount, address);
|
|
|
|
free(address);
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
|
|
void *MidAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
|
|
PRINT_ALLOC("Alloc-Mid", g_allocCountMid, size, NULL);
|
|
|
|
return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
}
|
|
|
|
void MidFree(void *address)
|
|
{
|
|
PRINT_FREE("Free-Mid", g_allocCountMid, address);
|
|
|
|
if (!address)
|
|
return;
|
|
VirtualFree(address, 0, MEM_RELEASE);
|
|
}
|
|
|
|
#ifndef MEM_LARGE_PAGES
|
|
#undef _7ZIP_LARGE_PAGES
|
|
#endif
|
|
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
SIZE_T g_LargePageSize = 0;
|
|
typedef SIZE_T (WINAPI *GetLargePageMinimumP)();
|
|
#endif
|
|
|
|
void SetLargePageSize()
|
|
{
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
SIZE_T size;
|
|
GetLargePageMinimumP largePageMinimum = (GetLargePageMinimumP)
|
|
GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "GetLargePageMinimum");
|
|
if (!largePageMinimum)
|
|
return;
|
|
size = largePageMinimum();
|
|
if (size == 0 || (size & (size - 1)) != 0)
|
|
return;
|
|
g_LargePageSize = size;
|
|
#endif
|
|
}
|
|
|
|
|
|
void *BigAlloc(size_t size)
|
|
{
|
|
if (size == 0)
|
|
return NULL;
|
|
|
|
PRINT_ALLOC("Alloc-Big", g_allocCountBig, size, NULL);
|
|
|
|
#ifdef _7ZIP_LARGE_PAGES
|
|
{
|
|
SIZE_T ps = g_LargePageSize;
|
|
if (ps != 0 && ps <= (1 << 30) && size > (ps / 2))
|
|
{
|
|
size_t size2;
|
|
ps--;
|
|
size2 = (size + ps) & ~ps;
|
|
if (size2 >= size)
|
|
{
|
|
void *res = VirtualAlloc(NULL, size2, MEM_COMMIT | MEM_LARGE_PAGES, PAGE_READWRITE);
|
|
if (res)
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE);
|
|
}
|
|
|
|
void BigFree(void *address)
|
|
{
|
|
PRINT_FREE("Free-Big", g_allocCountBig, address);
|
|
|
|
if (!address)
|
|
return;
|
|
VirtualFree(address, 0, MEM_RELEASE);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
static void *SzAlloc(ISzAllocPtr p, size_t size) { UNUSED_VAR(p); return MyAlloc(size); }
|
|
static void SzFree(ISzAllocPtr p, void *address) { UNUSED_VAR(p); MyFree(address); }
|
|
const ISzAlloc g_Alloc = { SzAlloc, SzFree };
|
|
|
|
static void *SzMidAlloc(ISzAllocPtr p, size_t size) { UNUSED_VAR(p); return MidAlloc(size); }
|
|
static void SzMidFree(ISzAllocPtr p, void *address) { UNUSED_VAR(p); MidFree(address); }
|
|
const ISzAlloc g_MidAlloc = { SzMidAlloc, SzMidFree };
|
|
|
|
static void *SzBigAlloc(ISzAllocPtr p, size_t size) { UNUSED_VAR(p); return BigAlloc(size); }
|
|
static void SzBigFree(ISzAllocPtr p, void *address) { UNUSED_VAR(p); BigFree(address); }
|
|
const ISzAlloc g_BigAlloc = { SzBigAlloc, SzBigFree };
|
|
|
|
|
|
/*
|
|
uintptr_t : <stdint.h> C99 (optional)
|
|
: unsupported in VS6
|
|
*/
|
|
|
|
#ifdef _WIN32
|
|
typedef UINT_PTR UIntPtr;
|
|
#else
|
|
/*
|
|
typedef uintptr_t UIntPtr;
|
|
*/
|
|
typedef ptrdiff_t UIntPtr;
|
|
#endif
|
|
|
|
|
|
#define ADJUST_ALLOC_SIZE 0
|
|
/*
|
|
#define ADJUST_ALLOC_SIZE (sizeof(void *) - 1)
|
|
*/
|
|
/*
|
|
Use (ADJUST_ALLOC_SIZE = (sizeof(void *) - 1)), if
|
|
MyAlloc() can return address that is NOT multiple of sizeof(void *).
|
|
*/
|
|
|
|
|
|
/*
|
|
#define MY_ALIGN_PTR_DOWN(p, align) ((void *)((char *)(p) - ((size_t)(UIntPtr)(p) & ((align) - 1))))
|
|
*/
|
|
#define MY_ALIGN_PTR_DOWN(p, align) ((void *)((((UIntPtr)(p)) & ~((UIntPtr)(align) - 1))))
|
|
|
|
#define MY_ALIGN_PTR_UP_PLUS(p, align) MY_ALIGN_PTR_DOWN(((char *)(p) + (align) + ADJUST_ALLOC_SIZE), align)
|
|
|
|
|
|
#if (_POSIX_C_SOURCE >= 200112L) && !defined(_WIN32)
|
|
#define USE_posix_memalign
|
|
#endif
|
|
|
|
/*
|
|
This posix_memalign() is for test purposes only.
|
|
We also need special Free() function instead of free(),
|
|
if this posix_memalign() is used.
|
|
*/
|
|
|
|
/*
|
|
static int posix_memalign(void **ptr, size_t align, size_t size)
|
|
{
|
|
size_t newSize = size + align;
|
|
void *p;
|
|
void *pAligned;
|
|
*ptr = NULL;
|
|
if (newSize < size)
|
|
return 12; // ENOMEM
|
|
p = MyAlloc(newSize);
|
|
if (!p)
|
|
return 12; // ENOMEM
|
|
pAligned = MY_ALIGN_PTR_UP_PLUS(p, align);
|
|
((void **)pAligned)[-1] = p;
|
|
*ptr = pAligned;
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
/*
|
|
ALLOC_ALIGN_SIZE >= sizeof(void *)
|
|
ALLOC_ALIGN_SIZE >= cache_line_size
|
|
*/
|
|
|
|
#define ALLOC_ALIGN_SIZE ((size_t)1 << 7)
|
|
|
|
static void *SzAlignedAlloc(ISzAllocPtr pp, size_t size)
|
|
{
|
|
#ifndef USE_posix_memalign
|
|
|
|
void *p;
|
|
void *pAligned;
|
|
size_t newSize;
|
|
UNUSED_VAR(pp);
|
|
|
|
/* also we can allocate additional dummy ALLOC_ALIGN_SIZE bytes after aligned
|
|
block to prevent cache line sharing with another allocated blocks */
|
|
|
|
newSize = size + ALLOC_ALIGN_SIZE * 1 + ADJUST_ALLOC_SIZE;
|
|
if (newSize < size)
|
|
return NULL;
|
|
|
|
p = MyAlloc(newSize);
|
|
|
|
if (!p)
|
|
return NULL;
|
|
pAligned = MY_ALIGN_PTR_UP_PLUS(p, ALLOC_ALIGN_SIZE);
|
|
|
|
Print(" size="); PrintHex(size, 8);
|
|
Print(" a_size="); PrintHex(newSize, 8);
|
|
Print(" ptr="); PrintAddr(p);
|
|
Print(" a_ptr="); PrintAddr(pAligned);
|
|
PrintLn();
|
|
|
|
((void **)pAligned)[-1] = p;
|
|
|
|
return pAligned;
|
|
|
|
#else
|
|
|
|
void *p;
|
|
UNUSED_VAR(pp);
|
|
if (posix_memalign(&p, ALLOC_ALIGN_SIZE, size))
|
|
return NULL;
|
|
|
|
Print(" posix_memalign="); PrintAddr(p);
|
|
PrintLn();
|
|
|
|
return p;
|
|
|
|
#endif
|
|
}
|
|
|
|
|
|
static void SzAlignedFree(ISzAllocPtr pp, void *address)
|
|
{
|
|
UNUSED_VAR(pp);
|
|
#ifndef USE_posix_memalign
|
|
if (address)
|
|
MyFree(((void **)address)[-1]);
|
|
#else
|
|
free(address);
|
|
#endif
|
|
}
|
|
|
|
|
|
const ISzAlloc g_AlignedAlloc = { SzAlignedAlloc, SzAlignedFree };
|
|
|
|
|
|
|
|
#define MY_ALIGN_PTR_DOWN_1(p) MY_ALIGN_PTR_DOWN(p, sizeof(void *))
|
|
|
|
/* we align ptr to support cases where CAlignOffsetAlloc::offset is not multiply of sizeof(void *) */
|
|
#define REAL_BLOCK_PTR_VAR(p) ((void **)MY_ALIGN_PTR_DOWN_1(p))[-1]
|
|
/*
|
|
#define REAL_BLOCK_PTR_VAR(p) ((void **)(p))[-1]
|
|
*/
|
|
|
|
static void *AlignOffsetAlloc_Alloc(ISzAllocPtr pp, size_t size)
|
|
{
|
|
CAlignOffsetAlloc *p = CONTAINER_FROM_VTBL(pp, CAlignOffsetAlloc, vt);
|
|
void *adr;
|
|
void *pAligned;
|
|
size_t newSize;
|
|
size_t extra;
|
|
size_t alignSize = (size_t)1 << p->numAlignBits;
|
|
|
|
if (alignSize < sizeof(void *))
|
|
alignSize = sizeof(void *);
|
|
|
|
if (p->offset >= alignSize)
|
|
return NULL;
|
|
|
|
/* also we can allocate additional dummy ALLOC_ALIGN_SIZE bytes after aligned
|
|
block to prevent cache line sharing with another allocated blocks */
|
|
extra = p->offset & (sizeof(void *) - 1);
|
|
newSize = size + alignSize + extra + ADJUST_ALLOC_SIZE;
|
|
if (newSize < size)
|
|
return NULL;
|
|
|
|
adr = ISzAlloc_Alloc(p->baseAlloc, newSize);
|
|
|
|
if (!adr)
|
|
return NULL;
|
|
|
|
pAligned = (char *)MY_ALIGN_PTR_DOWN((char *)adr +
|
|
alignSize - p->offset + extra + ADJUST_ALLOC_SIZE, alignSize) + p->offset;
|
|
|
|
PrintLn();
|
|
Print("- Aligned: ");
|
|
Print(" size="); PrintHex(size, 8);
|
|
Print(" a_size="); PrintHex(newSize, 8);
|
|
Print(" ptr="); PrintAddr(adr);
|
|
Print(" a_ptr="); PrintAddr(pAligned);
|
|
PrintLn();
|
|
|
|
REAL_BLOCK_PTR_VAR(pAligned) = adr;
|
|
|
|
return pAligned;
|
|
}
|
|
|
|
|
|
static void AlignOffsetAlloc_Free(ISzAllocPtr pp, void *address)
|
|
{
|
|
if (address)
|
|
{
|
|
CAlignOffsetAlloc *p = CONTAINER_FROM_VTBL(pp, CAlignOffsetAlloc, vt);
|
|
PrintLn();
|
|
Print("- Aligned Free: ");
|
|
PrintLn();
|
|
ISzAlloc_Free(p->baseAlloc, REAL_BLOCK_PTR_VAR(address));
|
|
}
|
|
}
|
|
|
|
|
|
void AlignOffsetAlloc_CreateVTable(CAlignOffsetAlloc *p)
|
|
{
|
|
p->vt.Alloc = AlignOffsetAlloc_Alloc;
|
|
p->vt.Free = AlignOffsetAlloc_Free;
|
|
}
|