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-rw-r--r--tools/checksum/checksum.cpp43
-rw-r--r--tools/checksum/checksum.exebin53760 -> 53760 bytes
2 files changed, 19 insertions, 24 deletions
diff --git a/tools/checksum/checksum.cpp b/tools/checksum/checksum.cpp
index 744805a694..035aefed9e 100644
--- a/tools/checksum/checksum.cpp
+++ b/tools/checksum/checksum.cpp
@@ -2,13 +2,13 @@
// Checksum Tool
// By Bio (C) 2012
-#define _VERSION_ "2.99"
+#define _VERSION_ "3.0"
#include "commonheaders.h"
-//#define DEBUG_SECTIONS 1
-//#define DEBUG_REALLOCS 1
+// #define DEBUG_SECTIONS 1
+// #define DEBUG_REALLOCS 1
// Return codes
#define RESULT_OK 0
@@ -115,7 +115,7 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
DWORD realvaddr = 0;
DWORD realsize = 0;
DWORD offset;
- __int64 base = 0;
+ ULONGLONG base = 0;
// try to found correct offset independent of architectures
offset = pIDH->e_lfanew + pINTH->FileHeader.SizeOfOptionalHeader + sizeof(IMAGE_NT_HEADERS) - sizeof(IMAGE_OPTIONAL_HEADER);
@@ -134,13 +134,18 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
{
pIDD = (PIMAGE_DATA_DIRECTORY)( (PBYTE)pINTH + offsetof( IMAGE_NT_HEADERS64, OptionalHeader.DataDirectory ) );
- base = *(__int64*)( (PBYTE)pINTH + offsetof( IMAGE_NT_HEADERS64, OptionalHeader.ImageBase ) );
+ base = *(ULONGLONG*)( (PBYTE)pINTH + offsetof( IMAGE_NT_HEADERS64, OptionalHeader.ImageBase ) );
}
else
res = RESULT_CORRUPTED;
#ifdef DEBUG_REALLOCS
_ftprintf( stderr, _T("Image base is 0x%I64x \n"), base );
+
+ if ( base <= DEFAULT_BASE)
+ _ftprintf( stderr, _T("Image base correction 0x%I64x\n"), DEFAULT_BASE - base );
+ else
+ _ftprintf( stderr, _T("Image base correction -0x%I64x\n"), base - DEFAULT_BASE );
#endif
if ( pIDD )
@@ -221,14 +226,6 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
_ftprintf( stderr, _T("Found reallocation table entry at 0x%08X (%d)\n"), pISH->PointerToRawData + shift, realsize );
#endif
- // correct base address
- base = DEFAULT_BASE - base;
-#ifdef DEBUG_REALLOCS
- if ( base >= 0)
- _ftprintf( stderr, _T("Image base correction 0x%I64x\n"), base );
- else
- _ftprintf( stderr, _T("Image base correction -0x%I64x\n"), -base );
-#endif
}
idx++;
@@ -241,8 +238,6 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
PIMAGE_SECTION_HEADER pISH = 0;
DWORD idx = 0;
- INT64 rebase = DEFAULT_BASE - base;
-
mir_md5_state_t pms;
mir_md5_init( &pms );
@@ -257,7 +252,7 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
break;
}
- // Rebase to default address
+ // Rebase to DEFAULT_BASE address
if ( pRealloc )
{
PIMAGE_BASE_RELOCATION pIBR = 0;
@@ -303,15 +298,16 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
len = 0;
break;
}
- *(PDWORD)pAddr = (DWORD)( (__int64)(*(PDWORD)pAddr) + base );
+ *(PDWORD)pAddr = (DWORD)( (*(PDWORD)pAddr) - (DWORD)base + (DWORD)DEFAULT_BASE );
break;
-
case IMAGE_REL_BASED_DIR64:
-#ifdef DEBUG_REALLOCS
- _ftprintf( stderr, _T("REL_BASED_DIR64\n"));
-#endif
- // FIXME
+ if ( addr + pIBR->VirtualAddress + sizeof(ULONGLONG) >= pISH->VirtualAddress + pISH->SizeOfRawData )
+ {
+ len = 0;
+ break;
+ }
+ *(ULONGLONG*)pAddr = (ULONGLONG)( (*(ULONGLONG*)pAddr) - base + (ULONGLONG)DEFAULT_BASE );
break;
case IMAGE_REL_BASED_ABSOLUTE:
@@ -334,7 +330,6 @@ int PEChecksum( TCHAR *filename, mir_md5_byte_t digest[16] )
break;
}
-
len -= sizeof(WORD);
pw++;
}
@@ -454,7 +449,7 @@ int _tmain( int argc, TCHAR *argv[] )
int res = 0;
int cnt = 0;
- _ftprintf( stderr, _T("* PE CHECKSUM TOOL * VERSION %s\n\n"), _VERSION_ );
+ _ftprintf( stderr, _T("* PE CHECKSUM TOOL * VERSION %s * by Bio (c) 2012\n\n"), _VERSION_ );
if ( argc > 1 )
{
diff --git a/tools/checksum/checksum.exe b/tools/checksum/checksum.exe
index 6b9e9ef7ea..b85fd817dd 100644
--- a/tools/checksum/checksum.exe
+++ b/tools/checksum/checksum.exe
Binary files differ