904 lines
28 KiB
C
904 lines
28 KiB
C
/*
|
|
* assembly parser
|
|
*
|
|
* Copyright 2008 James Hawkins
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
#include "windef.h"
|
|
#include "winbase.h"
|
|
#include "winuser.h"
|
|
#include "winver.h"
|
|
#include "wincrypt.h"
|
|
#include "dbghelp.h"
|
|
#include "ole2.h"
|
|
#include "fusion.h"
|
|
#include "corhdr.h"
|
|
|
|
#include "fusionpriv.h"
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
|
|
#define TableFromToken(tk) (TypeFromToken(tk) >> 24)
|
|
#define TokenFromTable(idx) (idx << 24)
|
|
|
|
#define MAX_CLR_TABLES 64
|
|
|
|
#define MD_STRINGS_BIT 0x1
|
|
#define MD_GUIDS_BIT 0x2
|
|
#define MD_BLOBS_BIT 0x4
|
|
|
|
typedef struct tagCLRTABLE
|
|
{
|
|
INT rows;
|
|
DWORD offset;
|
|
} CLRTABLE;
|
|
|
|
struct tagASSEMBLY
|
|
{
|
|
LPWSTR path;
|
|
|
|
HANDLE hfile;
|
|
HANDLE hmap;
|
|
BYTE *data;
|
|
|
|
IMAGE_NT_HEADERS *nthdr;
|
|
IMAGE_COR20_HEADER *corhdr;
|
|
|
|
METADATAHDR *metadatahdr;
|
|
|
|
METADATATABLESHDR *tableshdr;
|
|
DWORD numtables;
|
|
DWORD *numrows;
|
|
CLRTABLE tables[MAX_CLR_TABLES];
|
|
|
|
DWORD stringsz;
|
|
DWORD guidsz;
|
|
DWORD blobsz;
|
|
|
|
BYTE *strings;
|
|
BYTE *blobs;
|
|
};
|
|
|
|
static DWORD rva_to_offset(IMAGE_NT_HEADERS *nthdrs, DWORD rva)
|
|
{
|
|
DWORD offset = rva, limit;
|
|
IMAGE_SECTION_HEADER *img;
|
|
WORD i;
|
|
|
|
img = IMAGE_FIRST_SECTION(nthdrs);
|
|
|
|
if (rva < img->PointerToRawData)
|
|
return rva;
|
|
|
|
for (i = 0; i < nthdrs->FileHeader.NumberOfSections; i++)
|
|
{
|
|
if (img[i].SizeOfRawData)
|
|
limit = img[i].SizeOfRawData;
|
|
else
|
|
limit = img[i].Misc.VirtualSize;
|
|
|
|
if (rva >= img[i].VirtualAddress &&
|
|
rva < (img[i].VirtualAddress + limit))
|
|
{
|
|
if (img[i].PointerToRawData != 0)
|
|
{
|
|
offset -= img[i].VirtualAddress;
|
|
offset += img[i].PointerToRawData;
|
|
}
|
|
|
|
return offset;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static BYTE *GetData(BYTE *pData, ULONG *pLength)
|
|
{
|
|
if ((*pData & 0x80) == 0x00)
|
|
{
|
|
*pLength = (*pData & 0x7f);
|
|
return pData + 1;
|
|
}
|
|
|
|
if ((*pData & 0xC0) == 0x80)
|
|
{
|
|
*pLength = ((*pData & 0x3f) << 8 | *(pData + 1));
|
|
return pData + 2;
|
|
}
|
|
|
|
if ((*pData & 0xE0) == 0xC0)
|
|
{
|
|
*pLength = ((*pData & 0x1f) << 24 | *(pData + 1) << 16 |
|
|
*(pData + 2) << 8 | *(pData + 3));
|
|
return pData + 4;
|
|
}
|
|
|
|
*pLength = (ULONG)-1;
|
|
return 0;
|
|
}
|
|
|
|
static VOID *assembly_data_offset(ASSEMBLY *assembly, ULONG offset)
|
|
{
|
|
return &assembly->data[offset];
|
|
}
|
|
|
|
#define MAX_TABLES_WORD 0xFFFF
|
|
#define MAX_TABLES_1BIT_ENCODE 32767
|
|
#define MAX_TABLES_2BIT_ENCODE 16383
|
|
#define MAX_TABLES_3BIT_ENCODE 8191
|
|
#define MAX_TABLES_5BIT_ENCODE 2047
|
|
|
|
static inline ULONG get_table_size(ASSEMBLY *assembly, DWORD index)
|
|
{
|
|
DWORD size;
|
|
INT tables;
|
|
|
|
switch (TokenFromTable(index))
|
|
{
|
|
case mdtModule:
|
|
{
|
|
size = sizeof(MODULETABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
2 * (assembly->guidsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case mdtTypeRef:
|
|
{
|
|
size = sizeof(TYPEREFTABLE) + 2 * (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* ResolutionScope:ResolutionScope */
|
|
tables = max(assembly->tables[TableFromToken(mdtModule)].rows,
|
|
assembly->tables[TableFromToken(mdtModuleRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtAssemblyRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeRef)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtTypeDef:
|
|
{
|
|
size = sizeof(TYPEDEFTABLE) + 2 * (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* Extends:TypeDefOrRef */
|
|
tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
|
|
assembly->tables[TableFromToken(mdtTypeRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
|
|
size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
size += (assembly->tables[TableFromToken(mdtMethodDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtFieldDef:
|
|
{
|
|
size = sizeof(FIELDTABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case mdtMethodDef:
|
|
{
|
|
size = sizeof(METHODDEFTABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
|
|
size += (assembly->tables[TableFromToken(mdtParamDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtParamDef:
|
|
{
|
|
size = sizeof(PARAMTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case mdtInterfaceImpl:
|
|
{
|
|
size = sizeof(INTERFACEIMPLTABLE);
|
|
|
|
/* Interface:TypeDefOrRef */
|
|
tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
|
|
assembly->tables[TableFromToken(mdtTypeRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtMemberRef:
|
|
{
|
|
size = sizeof(MEMBERREFTABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
|
|
/* Class:MemberRefParent */
|
|
tables = max(assembly->tables[TableFromToken(mdtTypeRef)].rows,
|
|
assembly->tables[TableFromToken(mdtModuleRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtMethodDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeDef)].rows);
|
|
size += (tables > MAX_TABLES_3BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x0B000000: /* FIXME */
|
|
{
|
|
size = sizeof(CONSTANTTABLE) + (assembly->blobsz - sizeof(WORD));
|
|
|
|
/* Parent:HasConstant */
|
|
tables = max(assembly->tables[TableFromToken(mdtParamDef)].rows,
|
|
assembly->tables[TableFromToken(mdtFieldDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtProperty)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtCustomAttribute:
|
|
{
|
|
size = sizeof(CUSTOMATTRIBUTETABLE) + (assembly->blobsz - sizeof(WORD));
|
|
|
|
/* Parent:HasCustomAttribute */
|
|
tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
|
|
assembly->tables[TableFromToken(mdtFieldDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtParamDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtInterfaceImpl)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtMemberRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtPermission)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtProperty)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtEvent)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtSignature)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtModuleRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtAssembly)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtFile)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtExportedType)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtManifestResource)].rows);
|
|
size += (tables > MAX_TABLES_5BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
|
|
/* Type:CustomAttributeType */
|
|
tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
|
|
assembly->tables[TableFromToken(mdtMemberRef)].rows);
|
|
size += (tables > MAX_TABLES_3BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x0D000000: /* FIXME */
|
|
{
|
|
size = sizeof(FIELDMARSHALTABLE) + (assembly->blobsz - sizeof(WORD));
|
|
|
|
/* Parent:HasFieldMarshal */
|
|
tables = max(assembly->tables[TableFromToken(mdtFieldDef)].rows,
|
|
assembly->tables[TableFromToken(mdtParamDef)].rows);
|
|
size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtPermission:
|
|
{
|
|
size = sizeof(DECLSECURITYTABLE) + (assembly->blobsz - sizeof(WORD));
|
|
|
|
/* Parent:HasDeclSecurity */
|
|
tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
|
|
assembly->tables[TableFromToken(mdtMethodDef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtAssembly)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x0F000000: /* FIXME */
|
|
{
|
|
size = sizeof(CLASSLAYOUTTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x10000000: /* FIXME */
|
|
{
|
|
size = sizeof(FIELDLAYOUTTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtSignature:
|
|
{
|
|
size = sizeof(STANDALONESIGTABLE) + (assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case 0x12000000: /* FIXME */
|
|
{
|
|
size = sizeof(EVENTMAPTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
size += (assembly->tables[TableFromToken(mdtEvent)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtEvent:
|
|
{
|
|
size = sizeof(EVENTTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* EventType:TypeDefOrRef */
|
|
tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
|
|
assembly->tables[TableFromToken(mdtTypeRef)].rows);
|
|
tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x15000000:/* FIXME */
|
|
{
|
|
size = sizeof(PROPERTYMAPTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
size += (assembly->tables[TableFromToken(mdtProperty)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtProperty:
|
|
{
|
|
size = sizeof(PROPERTYTABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case 0x18000000: /* FIXME */
|
|
{
|
|
size = sizeof(METHODSEMANTICSTABLE);
|
|
|
|
/* Association:HasSemantics */
|
|
tables = max(assembly->tables[TableFromToken(mdtEvent)].rows,
|
|
assembly->tables[TableFromToken(mdtProperty)].rows);
|
|
size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
|
|
size += (assembly->tables[TableFromToken(mdtMethodDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x19000000: /* FIXME */
|
|
{
|
|
size = sizeof(METHODIMPLTABLE);
|
|
|
|
/* MethodBody:MethodDefOrRef, MethodDeclaration:MethodDefOrRef */
|
|
tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
|
|
assembly->tables[TableFromToken(mdtMemberRef)].rows);
|
|
size += (tables > MAX_TABLES_1BIT_ENCODE) ? 2 * sizeof(WORD) : 0;
|
|
|
|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtModuleRef:
|
|
{
|
|
size = sizeof(MODULEREFTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case mdtTypeSpec:
|
|
{
|
|
size = sizeof(TYPESPECTABLE) + (assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case 0x1C000000: /* FIXME */
|
|
{
|
|
size = sizeof(IMPLMAPTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* MemberForwarded:MemberForwarded */
|
|
tables = max(assembly->tables[TableFromToken(mdtFieldDef)].rows,
|
|
assembly->tables[TableFromToken(mdtMethodDef)].rows);
|
|
size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
|
|
size += (assembly->tables[TableFromToken(mdtModuleRef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x1D000000: /* FIXME */
|
|
{
|
|
size = sizeof(FIELDRVATABLE);
|
|
size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtAssembly:
|
|
{
|
|
size = sizeof(ASSEMBLYTABLE) + 2 * (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case 0x20000001: /* FIXME */
|
|
{
|
|
size = sizeof(ASSEMBLYPROCESSORTABLE);
|
|
break;
|
|
}
|
|
case 0x22000000: /* FIXME */
|
|
{
|
|
size = sizeof(ASSEMBLYOSTABLE);
|
|
break;
|
|
}
|
|
case mdtAssemblyRef:
|
|
{
|
|
size = sizeof(ASSEMBLYREFTABLE) + 2 * (assembly->stringsz - sizeof(WORD)) +
|
|
2 * (assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case 0x24000000: /* FIXME */
|
|
{
|
|
size = sizeof(ASSEMBLYREFPROCESSORTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtAssemblyRef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x25000000: /* FIXME */
|
|
{
|
|
size = sizeof(ASSEMBLYREFOSTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtAssemblyRef)].rows >
|
|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtFile:
|
|
{
|
|
size = sizeof(FILETABLE) + (assembly->stringsz - sizeof(WORD)) +
|
|
(assembly->blobsz - sizeof(WORD));
|
|
break;
|
|
}
|
|
case mdtExportedType:
|
|
{
|
|
size = sizeof(EXPORTEDTYPETABLE) + 2 * (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* Implementation:Implementation */
|
|
tables = max(assembly->tables[TableFromToken(mdtFile)].rows,
|
|
assembly->tables[TableFromToken(mdtMethodDef)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case mdtManifestResource:
|
|
{
|
|
size = sizeof(MANIFESTRESTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* Implementation:Implementation */
|
|
tables = max(assembly->tables[TableFromToken(mdtFile)].rows,
|
|
assembly->tables[TableFromToken(mdtAssemblyRef)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
case 0x29000000: /* FIXME */
|
|
{
|
|
size = sizeof(NESTEDCLASSTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
|
MAX_TABLES_WORD) ? 2 * sizeof(WORD) : 0;
|
|
break;
|
|
}
|
|
default:
|
|
return 0;
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
static HRESULT parse_clr_tables(ASSEMBLY *assembly, ULONG offset)
|
|
{
|
|
DWORD i, previ, offidx;
|
|
ULONG currofs;
|
|
|
|
currofs = offset;
|
|
assembly->tableshdr = assembly_data_offset(assembly, currofs);
|
|
if (!assembly->tableshdr)
|
|
return E_FAIL;
|
|
|
|
assembly->stringsz = (assembly->tableshdr->HeapOffsetSizes & MD_STRINGS_BIT) ?
|
|
sizeof(DWORD) : sizeof(WORD);
|
|
assembly->guidsz = (assembly->tableshdr->HeapOffsetSizes & MD_GUIDS_BIT) ?
|
|
sizeof(DWORD) : sizeof(WORD);
|
|
assembly->blobsz = (assembly->tableshdr->HeapOffsetSizes & MD_BLOBS_BIT) ?
|
|
sizeof(DWORD) : sizeof(WORD);
|
|
|
|
currofs += sizeof(METADATATABLESHDR);
|
|
assembly->numrows = assembly_data_offset(assembly, currofs);
|
|
if (!assembly->numrows)
|
|
return E_FAIL;
|
|
|
|
assembly->numtables = 0;
|
|
for (i = 0; i < MAX_CLR_TABLES; i++)
|
|
{
|
|
if ((i < 32 && (assembly->tableshdr->MaskValid.u.LowPart >> i) & 1) ||
|
|
(i >= 32 && (assembly->tableshdr->MaskValid.u.HighPart >> i) & 1))
|
|
{
|
|
assembly->numtables++;
|
|
}
|
|
}
|
|
|
|
currofs += assembly->numtables * sizeof(DWORD);
|
|
memset(assembly->tables, -1, MAX_CLR_TABLES * sizeof(CLRTABLE));
|
|
|
|
if (assembly->tableshdr->MaskValid.u.LowPart & 1)
|
|
assembly->tables[0].offset = currofs;
|
|
|
|
offidx = 0;
|
|
for (i = 0; i < MAX_CLR_TABLES; i++)
|
|
{
|
|
if ((i < 32 && (assembly->tableshdr->MaskValid.u.LowPart >> i) & 1) ||
|
|
(i >= 32 && (assembly->tableshdr->MaskValid.u.HighPart >> i) & 1))
|
|
{
|
|
assembly->tables[i].rows = assembly->numrows[offidx];
|
|
offidx++;
|
|
}
|
|
}
|
|
|
|
previ = 0;
|
|
offidx = 1;
|
|
for (i = 1; i < MAX_CLR_TABLES; i++)
|
|
{
|
|
if ((i < 32 && (assembly->tableshdr->MaskValid.u.LowPart >> i) & 1) ||
|
|
(i >= 32 && (assembly->tableshdr->MaskValid.u.HighPart >> i) & 1))
|
|
{
|
|
currofs += get_table_size(assembly, previ) * assembly->numrows[offidx - 1];
|
|
assembly->tables[i].offset = currofs;
|
|
offidx++;
|
|
previ = i;
|
|
}
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT parse_metadata_header(ASSEMBLY *assembly, DWORD *hdrsz)
|
|
{
|
|
METADATAHDR *metadatahdr;
|
|
BYTE *ptr, *dest;
|
|
DWORD size, ofs;
|
|
ULONG rva;
|
|
|
|
rva = assembly->corhdr->MetaData.VirtualAddress;
|
|
ptr = ImageRvaToVa(assembly->nthdr, assembly->data, rva, NULL);
|
|
if (!ptr)
|
|
return E_FAIL;
|
|
|
|
metadatahdr = (METADATAHDR *)ptr;
|
|
|
|
assembly->metadatahdr = HeapAlloc(GetProcessHeap(), 0, sizeof(METADATAHDR));
|
|
if (!assembly->metadatahdr)
|
|
return E_OUTOFMEMORY;
|
|
|
|
size = FIELD_OFFSET(METADATAHDR, Version);
|
|
memcpy(assembly->metadatahdr, metadatahdr, size);
|
|
|
|
/* we don't care about the version string */
|
|
|
|
ofs = FIELD_OFFSET(METADATAHDR, Flags);
|
|
ptr += FIELD_OFFSET(METADATAHDR, Version) + metadatahdr->VersionLength + 1;
|
|
dest = (BYTE *)assembly->metadatahdr + ofs;
|
|
memcpy(dest, ptr, sizeof(METADATAHDR) - ofs);
|
|
|
|
*hdrsz = sizeof(METADATAHDR) - sizeof(LPSTR) + metadatahdr->VersionLength + 1;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT parse_clr_metadata(ASSEMBLY *assembly)
|
|
{
|
|
METADATASTREAMHDR *streamhdr;
|
|
ULONG rva, i, ofs;
|
|
LPSTR stream;
|
|
HRESULT hr;
|
|
DWORD hdrsz;
|
|
BYTE *ptr;
|
|
|
|
hr = parse_metadata_header(assembly, &hdrsz);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
|
|
rva = assembly->corhdr->MetaData.VirtualAddress;
|
|
ptr = ImageRvaToVa(assembly->nthdr, assembly->data, rva + hdrsz, NULL);
|
|
if (!ptr)
|
|
return E_FAIL;
|
|
|
|
for (i = 0; i < assembly->metadatahdr->Streams; i++)
|
|
{
|
|
streamhdr = (METADATASTREAMHDR *)ptr;
|
|
ofs = rva_to_offset(assembly->nthdr, rva + streamhdr->Offset);
|
|
|
|
ptr += sizeof(METADATASTREAMHDR);
|
|
stream = (LPSTR)ptr;
|
|
|
|
if (!lstrcmpA(stream, "#~"))
|
|
{
|
|
hr = parse_clr_tables(assembly, ofs);
|
|
if (FAILED(hr))
|
|
return hr;
|
|
}
|
|
else if (!lstrcmpA(stream, "#Strings") || !lstrcmpA(stream, "Strings"))
|
|
assembly->strings = assembly_data_offset(assembly, ofs);
|
|
else if (!lstrcmpA(stream, "#Blob") || !lstrcmpA(stream, "Blob"))
|
|
assembly->blobs = assembly_data_offset(assembly, ofs);
|
|
|
|
ptr += lstrlenA(stream) + 1;
|
|
ptr = (BYTE *)(((UINT_PTR)ptr + 3) & ~3); /* align on DWORD boundary */
|
|
}
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static HRESULT parse_pe_header(ASSEMBLY *assembly)
|
|
{
|
|
IMAGE_DATA_DIRECTORY *datadirs;
|
|
|
|
assembly->nthdr = ImageNtHeader(assembly->data);
|
|
if (!assembly->nthdr)
|
|
return E_FAIL;
|
|
|
|
if (assembly->nthdr->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
|
|
{
|
|
IMAGE_OPTIONAL_HEADER64 *opthdr =
|
|
(IMAGE_OPTIONAL_HEADER64 *)&assembly->nthdr->OptionalHeader;
|
|
datadirs = opthdr->DataDirectory;
|
|
}
|
|
else
|
|
{
|
|
IMAGE_OPTIONAL_HEADER32 *opthdr =
|
|
(IMAGE_OPTIONAL_HEADER32 *)&assembly->nthdr->OptionalHeader;
|
|
datadirs = opthdr->DataDirectory;
|
|
}
|
|
|
|
if (!datadirs)
|
|
return E_FAIL;
|
|
|
|
if (!datadirs[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress ||
|
|
!datadirs[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].Size)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
|
|
assembly->corhdr = ImageRvaToVa(assembly->nthdr, assembly->data,
|
|
datadirs[IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR].VirtualAddress, NULL);
|
|
if (!assembly->corhdr)
|
|
return E_FAIL;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT assembly_create(ASSEMBLY **out, LPCWSTR file)
|
|
{
|
|
ASSEMBLY *assembly;
|
|
HRESULT hr;
|
|
|
|
*out = NULL;
|
|
|
|
assembly = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ASSEMBLY));
|
|
if (!assembly)
|
|
return E_OUTOFMEMORY;
|
|
|
|
assembly->path = strdupW(file);
|
|
if (!assembly->path)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto failed;
|
|
}
|
|
|
|
assembly->hfile = CreateFileW(file, GENERIC_READ, FILE_SHARE_READ,
|
|
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
|
|
if (assembly->hfile == INVALID_HANDLE_VALUE)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
goto failed;
|
|
}
|
|
|
|
assembly->hmap = CreateFileMappingW(assembly->hfile, NULL, PAGE_READONLY,
|
|
0, 0, NULL);
|
|
if (!assembly->hmap)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
goto failed;
|
|
}
|
|
|
|
assembly->data = MapViewOfFile(assembly->hmap, FILE_MAP_READ, 0, 0, 0);
|
|
if (!assembly->data)
|
|
{
|
|
hr = HRESULT_FROM_WIN32(GetLastError());
|
|
goto failed;
|
|
}
|
|
|
|
hr = parse_pe_header(assembly);
|
|
if (FAILED(hr)) goto failed;
|
|
|
|
hr = parse_clr_metadata(assembly);
|
|
if (FAILED(hr)) goto failed;
|
|
|
|
*out = assembly;
|
|
return S_OK;
|
|
|
|
failed:
|
|
assembly_release(assembly);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT assembly_release(ASSEMBLY *assembly)
|
|
{
|
|
if (!assembly)
|
|
return S_OK;
|
|
|
|
HeapFree(GetProcessHeap(), 0, assembly->metadatahdr);
|
|
HeapFree(GetProcessHeap(), 0, assembly->path);
|
|
UnmapViewOfFile(assembly->data);
|
|
CloseHandle(assembly->hmap);
|
|
CloseHandle(assembly->hfile);
|
|
HeapFree(GetProcessHeap(), 0, assembly);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static LPWSTR assembly_dup_str(ASSEMBLY *assembly, DWORD index)
|
|
{
|
|
int len;
|
|
LPWSTR cpy;
|
|
LPSTR str = (LPSTR)&assembly->strings[index];
|
|
|
|
len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
|
|
|
|
if ((cpy = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
|
|
MultiByteToWideChar(CP_ACP, 0, str, -1, cpy, len);
|
|
|
|
return cpy;
|
|
}
|
|
|
|
HRESULT assembly_get_name(ASSEMBLY *assembly, LPWSTR *name)
|
|
{
|
|
BYTE *ptr;
|
|
LONG offset;
|
|
DWORD stridx;
|
|
|
|
offset = assembly->tables[TableFromToken(mdtAssembly)].offset;
|
|
if (offset == -1)
|
|
return E_FAIL;
|
|
|
|
ptr = assembly_data_offset(assembly, offset);
|
|
if (!ptr)
|
|
return E_FAIL;
|
|
|
|
ptr += FIELD_OFFSET(ASSEMBLYTABLE, PublicKey) + assembly->blobsz;
|
|
if (assembly->stringsz == sizeof(DWORD))
|
|
stridx = *((DWORD *)ptr);
|
|
else
|
|
stridx = *((WORD *)ptr);
|
|
|
|
*name = assembly_dup_str(assembly, stridx);
|
|
if (!*name)
|
|
return E_OUTOFMEMORY;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT assembly_get_path(ASSEMBLY *assembly, LPWSTR *path)
|
|
{
|
|
LPWSTR cpy = HeapAlloc(GetProcessHeap(), 0, (strlenW(assembly->path) + 1) * sizeof(WCHAR));
|
|
*path = cpy;
|
|
if (cpy)
|
|
strcpyW(cpy, assembly->path);
|
|
else
|
|
return E_OUTOFMEMORY;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT assembly_get_version(ASSEMBLY *assembly, LPWSTR *version)
|
|
{
|
|
static const WCHAR format[] = {'%','u','.','%','u','.','%','u','.','%','u',0};
|
|
|
|
ASSEMBLYTABLE *asmtbl;
|
|
LONG offset;
|
|
|
|
*version = NULL;
|
|
|
|
offset = assembly->tables[TableFromToken(mdtAssembly)].offset;
|
|
if (offset == -1)
|
|
return E_FAIL;
|
|
|
|
asmtbl = assembly_data_offset(assembly, offset);
|
|
if (!asmtbl)
|
|
return E_FAIL;
|
|
|
|
*version = HeapAlloc(GetProcessHeap(), 0, sizeof(format) + 4 * strlen("65535") * sizeof(WCHAR));
|
|
if (!*version)
|
|
return E_OUTOFMEMORY;
|
|
|
|
sprintfW(*version, format, asmtbl->MajorVersion, asmtbl->MinorVersion,
|
|
asmtbl->BuildNumber, asmtbl->RevisionNumber);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
BYTE assembly_get_architecture(ASSEMBLY *assembly)
|
|
{
|
|
if ((assembly->corhdr->MajorRuntimeVersion == 2) && (assembly->corhdr->MinorRuntimeVersion == 0))
|
|
return 0; /* .NET 1.x assembly */
|
|
|
|
if (assembly->nthdr->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
|
|
return peAMD64; /* AMD64/IA64 assembly */
|
|
|
|
if ((assembly->corhdr->Flags & COMIMAGE_FLAGS_ILONLY) && !(assembly->corhdr->Flags & COMIMAGE_FLAGS_32BITREQUIRED))
|
|
return peMSIL; /* MSIL assembly */
|
|
|
|
return peI386; /* x86 assembly */
|
|
}
|
|
|
|
static BYTE *assembly_get_blob(ASSEMBLY *assembly, WORD index, ULONG *size)
|
|
{
|
|
return GetData(&assembly->blobs[index], size);
|
|
}
|
|
|
|
HRESULT assembly_get_pubkey_token(ASSEMBLY *assembly, LPWSTR *token)
|
|
{
|
|
ASSEMBLYTABLE *asmtbl;
|
|
ULONG i, size;
|
|
LONG offset;
|
|
BYTE *hashdata;
|
|
HCRYPTPROV crypt;
|
|
HCRYPTHASH hash;
|
|
BYTE *pubkey;
|
|
BYTE tokbytes[BYTES_PER_TOKEN];
|
|
HRESULT hr = E_FAIL;
|
|
LPWSTR tok;
|
|
|
|
*token = NULL;
|
|
|
|
offset = assembly->tables[TableFromToken(mdtAssembly)].offset;
|
|
if (offset == -1)
|
|
return E_FAIL;
|
|
|
|
asmtbl = assembly_data_offset(assembly, offset);
|
|
if (!asmtbl)
|
|
return E_FAIL;
|
|
|
|
pubkey = assembly_get_blob(assembly, asmtbl->PublicKey, &size);
|
|
|
|
if (!CryptAcquireContextA(&crypt, NULL, NULL, PROV_RSA_FULL,
|
|
CRYPT_VERIFYCONTEXT))
|
|
return E_FAIL;
|
|
|
|
if (!CryptCreateHash(crypt, CALG_SHA1, 0, 0, &hash))
|
|
return E_FAIL;
|
|
|
|
if (!CryptHashData(hash, pubkey, size, 0))
|
|
return E_FAIL;
|
|
|
|
size = 0;
|
|
if (!CryptGetHashParam(hash, HP_HASHVAL, NULL, &size, 0))
|
|
return E_FAIL;
|
|
|
|
hashdata = HeapAlloc(GetProcessHeap(), 0, size);
|
|
if (!hashdata)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto done;
|
|
}
|
|
|
|
if (!CryptGetHashParam(hash, HP_HASHVAL, hashdata, &size, 0))
|
|
goto done;
|
|
|
|
for (i = size - 1; i >= size - 8; i--)
|
|
tokbytes[size - i - 1] = hashdata[i];
|
|
|
|
tok = HeapAlloc(GetProcessHeap(), 0, (TOKEN_LENGTH + 1) * sizeof(WCHAR));
|
|
if (!tok)
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto done;
|
|
}
|
|
|
|
token_to_str(tokbytes, tok);
|
|
|
|
*token = tok;
|
|
hr = S_OK;
|
|
|
|
done:
|
|
HeapFree(GetProcessHeap(), 0, hashdata);
|
|
CryptDestroyHash(hash);
|
|
CryptReleaseContext(crypt, 0);
|
|
|
|
return hr;
|
|
}
|