PE loader: corrected an assertion (fixes bug reported by GvG), added a sanity check, return STATUS_INVALID_IMAGE_PROTECT in case of unrecognized PE signature (to match Windows behavior), removed evil STATUS_UNSUCCESSFUL, corrected successful return code Memory manager: return STATUS_INVALID_IMAGE_NOT_MZ when no loader accepts the format (to match Windows behavior) Modified: trunk/reactos/ntoskrnl/mm/pe.c Modified: trunk/reactos/ntoskrnl/mm/section.c _____
Modified: trunk/reactos/ntoskrnl/mm/pe.c --- trunk/reactos/ntoskrnl/mm/pe.c 2005-07-08 12:16:47 UTC (rev 16509) +++ trunk/reactos/ntoskrnl/mm/pe.c 2005-07-08 16:37:07 UTC (rev 16510) @@ -216,7 +216,7 @@
ASSERT(Intsafe_CanOffsetPointer(FileHeader, FileHeaderSize));
- ASSERT(FileHeaderSize >= sizeof(IMAGE_DOS_HEADER)); + ASSERT(EXEFMT_LOAD_HEADER_SIZE >= sizeof(IMAGE_DOS_HEADER)); ASSERT(((UINT_PTR)FileHeader % TYPE_ALIGNMENT(IMAGE_DOS_HEADER)) == 0);
#define DIE(ARGS_) { DPRINT ARGS_; goto l_Return; } @@ -227,6 +227,10 @@ /* DOS HEADER */ nStatus = STATUS_ROS_EXEFMT_UNKNOWN_FORMAT;
+ /* image too small to be an MZ executable */ + if(FileHeaderSize < sizeof(IMAGE_DOS_HEADER)) + DIE(("Too small to be an MZ executable, size is %lu\n", FileHeaderSize)); + /* no MZ signature */ if(pidhDosHeader->e_magic != IMAGE_DOS_SIGNATURE) DIE(("No MZ signature found, e_magic is %hX\n", pidhDosHeader->e_magic)); @@ -310,14 +314,16 @@ }
/* invalid NT header */ + nStatus = STATUS_INVALID_IMAGE_PROTECT; + if(pinhNtHeader->Signature != IMAGE_NT_SIGNATURE) DIE(("The file isn't a PE executable, Signature is %X\n", pinhNtHeader->Signature));
+ nStatus = STATUS_INVALID_IMAGE_FORMAT; + if(!Intsafe_AddULong32(&cbNtHeaderSize, pinhNtHeader->FileHeader.SizeOfOptionalHeader, FIELD_OFFSET(IMAGE_NT_HEADERS32, OptionalHeader))) DIE(("The full NT header is too large\n"));
- nStatus = STATUS_UNSUCCESSFUL; - /* the buffer doesn't contain the whole NT header */ if(cbReadSize < cbNtHeaderSize) DIE(("The file doesn't contain the full NT header\n")); @@ -721,7 +727,7 @@ *Flags |= EXEFMT_LOAD_ASSUME_SEGMENTS_PAGE_ALIGNED;
/* Success */ - nStatus = STATUS_ROS_EXEFMT_LOADED_FORMAT & EXEFMT_LOADED_PE32; + nStatus = STATUS_ROS_EXEFMT_LOADED_FORMAT | EXEFMT_LOADED_PE32;
l_Return: if(pBuffer) _____
Modified: trunk/reactos/ntoskrnl/mm/section.c --- trunk/reactos/ntoskrnl/mm/section.c 2005-07-08 12:16:47 UTC (rev 16509) +++ trunk/reactos/ntoskrnl/mm/section.c 2005-07-08 16:37:07 UTC (rev 16510) @@ -3039,7 +3039,7 @@
*/ if (Status == STATUS_ROS_EXEFMT_UNKNOWN_FORMAT) { - Status = STATUS_INVALID_IMAGE_FORMAT; + Status = STATUS_INVALID_IMAGE_NOT_MZ; ASSERT(!NT_SUCCESS(Status)); }