fortify.c File Reference

Go to the source code of this file.

Data Structures
struct	Header
class	Fortify_AutoLogFile

Functions
static int	st_CheckBlock (struct Header *h, const char *file, DWORD line)
static int	st_CheckFortification (BYTE *ptr, BYTE value, size_t size)
static void	st_SetFortification (BYTE *ptr, BYTE value, size_t size)
static void	st_OutputFortification (BYTE *ptr, BYTE value, size_t size)
static void	st_HexDump (BYTE *ptr, size_t offset, size_t size, int title)
static void	st_MakeHeaderValid (struct Header *h)
static int	st_IsHeaderValid (const struct Header *h)
static WORD	st_ChecksumHeader (const struct Header *h)
static int	st_IsOnAllocatedList (const struct Header *h)
static int	st_OutputHeader (struct Header *h)
static void	st_OutputMemory (struct Header *h)
static void	st_OutputLastVerifiedPoint (void)
static void	st_DefaultOutput (const char *String)
static const char *	st_MemoryBlockString (struct Header *h)
static void	st_OutputDeleteTrace (void)
static const char *	st_DeallocatedMemoryBlockString (struct Header *h)
static int	st_IsOnDeallocatedList (const struct Header *h)
static int	st_PurgeDeallocatedBlocks (DWORD Bytes, const char *file, DWORD line)
static int	st_PurgeDeallocatedScope (BYTE Scope, const char *file, DWORD line)
static int	st_CheckDeallocatedBlock (struct Header *h, const char *file, DWORD line)
static void	st_FreeDeallocatedBlock (struct Header *h, const char *file, DWORD line)
static void	message (BOOL warn, const char *fmt,...)
static	Fortify_LockLocalData (int lock)
static void	heap_integrity_check (BOOL on)
void *FORTIFY_STORAGE	Fortify_Allocate (size_t size, unsigned char allocator, unsigned long flags, const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_Deallocate (void *uptr, BYTE deallocator, const char *file, DWORD line)
void	Fortify_LabelPointer (void *uptr, const char *label, const char *file, DWORD line)
int FORTIFY_STORAGE	Fortify_CheckPointer (void *uptr, const char *file, DWORD line)
Fortify_OutputFuncPtr FORTIFY_STORAGE	Fortify_SetOutputFunc (Fortify_OutputFuncPtr Output)
int FORTIFY_STORAGE	Fortify_SetAllocateFailRate (int Percent)
DWORD FORTIFY_STORAGE	Fortify_CheckAllMemory (const char *file, DWORD line)
BYTE FORTIFY_STORAGE	Fortify_EnterScope (const char *file, DWORD line)
BYTE FORTIFY_STORAGE	Fortify_LeaveScope (const char *file, DWORD line)
DWORD FORTIFY_STORAGE	Fortify_ListAllMemory (const char *file, DWORD line)
DWORD FORTIFY_STORAGE	Fortify_DumpAllMemory (const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_OutputStatistics (const char *file, DWORD line)
DWORD FORTIFY_STORAGE	Fortify_GetCurrentAllocation (const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_SetAllocationLimit (DWORD NewLimit, const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_Disable (const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_Enable (const char *file, DWORD line)
void *FORTIFY_STORAGE	Fortify_malloc (size_t size, const char *file, DWORD line)
void *	Fortify_realloc (void *uptr, size_t new_size, const char *file, DWORD line)
void *	Fortify_calloc (size_t num, size_t size, const char *file, DWORD line)
void	Fortify_free (void *uptr, const char *file, DWORD line)
HGLOBAL	Fortify_GlobalAlloc (UINT flags, DWORD size, const char *file, DWORD line)
BOOL	Fortify_GlobalFree (void *ptr, const char *file, DWORD line)
char *FORTIFY_STORAGE	Fortify_strdup (const char *oldStr, const char *file, DWORD line)
Fortify_NewHandlerFunc	st_NewHandler (void)
void *FORTIFY_STORAGE	operator new (size_t size)
void *FORTIFY_STORAGE	operator new (size_t size, const char *file, DWORD line)
void *FORTIFY_STORAGE	operator new[] (size_t size)
void *FORTIFY_STORAGE	operator new[] (size_t size, const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_PreDelete (const char *file, DWORD line)
void FORTIFY_STORAGE	Fortify_PostDelete (void)
void FORTIFY_STORAGE	operator delete (void *uptr)
void FORTIFY_STORAGE	operator delete[] (void *uptr)

Variables
static char	st_Buffer [4096] = { 0 }
static struct Header *	st_AllocatedHead = 0
static int	st_AllocateFailRate = 0
static Fortify_OutputFuncPtr	st_Output = st_DefaultOutput
static const char *	st_LastVerifiedFile = "unknown"
static DWORD	st_LastVerifiedLine = 0
static BYTE	st_Scope = 0
static BYTE	st_Disabled = 0
static char	st_LockDataStart = 0
int	gbl_FortifyMagic = 0
static const char *	st_DeleteFile [FORTIFY_DELETE_STACK_SIZE]
static DWORD	st_DeleteLine [FORTIFY_DELETE_STACK_SIZE]
static DWORD	st_DeleteStackTop
static DWORD	st_MaxBlocks = 0
static DWORD	st_MaxAllocation = 0
static DWORD	st_CurBlocks = 0
static DWORD	st_CurAllocation = 0
static DWORD	st_Allocations = 0
static DWORD	st_Frees = 0
static DWORD	st_TotalAllocation = 0
static DWORD	st_AllocationLimit = 0xffffffff
static struct Header *	st_DeallocatedHead = 0
static struct Header *	st_DeallocatedTail = 0
static DWORD	st_TotalDeallocated = 0
static const char *	st_AllocatorName []
static const char *	st_DeallocatorName []
static const BYTE	st_ValidDeallocator []
static char	st_LockDataEnd = 0
BYTE	Check_heap_integrity_flag
BYTE	Heap_init_byte
BYTE	Init_allocated_storage
static Fortify_AutoLogFile	Abracadabra

Detailed Description

A fortified memory allocation shell - V2.2.

Definition in file fortify.c.

Variable Documentation

const char* st_AllocatorName[]

static

Initial value:

= {
                  "malloc()",
                  "calloc()",
                  "realloc()",
                  "strdup()",
                  "new",
                  "new[]",
                  "GlobalAllocPtr()"
                }

Definition at line 241 of file fortify.c.

const char* st_DeallocatorName[]

static

Initial value:

= {
                  "nobody",
                  "free()",
                  "realloc()",
                  "delete",
                  "delete[]",
                  "GlobalFreePtr()"
                }

Definition at line 252 of file fortify.c.

const BYTE st_ValidDeallocator[]

static

Initial value:

= {
    (1 << Fortify_Deallocator_free) | (1 << Fortify_Deallocator_realloc),
    (1 << Fortify_Deallocator_free) | (1 << Fortify_Deallocator_realloc),
    (1 << Fortify_Deallocator_free) | (1 << Fortify_Deallocator_realloc),
    (1 << Fortify_Deallocator_free) | (1 << Fortify_Deallocator_realloc),
#if defined(FORTIFY_PROVIDE_ARRAY_NEW) && defined(FORTIFY_PROVIDE_ARRAY_DELETE)
    (1 << Fortify_Deallocator_delete),
    (1 << Fortify_Deallocator_array_delete)
#else
    (1 << Fortify_Deallocator_delete) | (1 << Fortify_Deallocator_array_delete),
    (1 << Fortify_Deallocator_delete) | (1 << Fortify_Deallocator_array_delete)
#endif
}

Definition at line 261 of file fortify.c.