mirror of
https://github.com/reactos/reactos.git
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917 lines
28 KiB
C
917 lines
28 KiB
C
/*
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* assembly parser
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*
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* Copyright 2008 James Hawkins
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winver.h"
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#include "bcrypt.h"
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#include "dbghelp.h"
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#include "ole2.h"
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#include "fusion.h"
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#include "corhdr.h"
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#include "fusionpriv.h"
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#include "wine/debug.h"
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#define TableFromToken(tk) (TypeFromToken(tk) >> 24)
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#define TokenFromTable(idx) (idx << 24)
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#define MAX_CLR_TABLES 64
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#define MD_STRINGS_BIT 0x1
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#define MD_GUIDS_BIT 0x2
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#define MD_BLOBS_BIT 0x4
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typedef struct tagCLRTABLE
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{
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INT rows;
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DWORD offset;
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} CLRTABLE;
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struct tagASSEMBLY
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{
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LPWSTR path;
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HANDLE hfile;
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HANDLE hmap;
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BYTE *data;
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IMAGE_NT_HEADERS *nthdr;
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IMAGE_COR20_HEADER *corhdr;
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METADATAHDR *metadatahdr;
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METADATATABLESHDR *tableshdr;
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DWORD numtables;
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DWORD *numrows;
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CLRTABLE tables[MAX_CLR_TABLES];
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DWORD stringsz;
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DWORD guidsz;
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DWORD blobsz;
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BYTE *strings;
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BYTE *blobs;
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};
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static DWORD rva_to_offset(IMAGE_NT_HEADERS *nthdrs, DWORD rva)
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{
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DWORD offset = rva, limit;
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IMAGE_SECTION_HEADER *img;
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WORD i;
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img = IMAGE_FIRST_SECTION(nthdrs);
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if (rva < img->PointerToRawData)
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return rva;
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for (i = 0; i < nthdrs->FileHeader.NumberOfSections; i++)
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{
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if (img[i].SizeOfRawData)
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limit = img[i].SizeOfRawData;
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else
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limit = img[i].Misc.VirtualSize;
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if (rva >= img[i].VirtualAddress &&
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rva < (img[i].VirtualAddress + limit))
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{
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if (img[i].PointerToRawData != 0)
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{
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offset -= img[i].VirtualAddress;
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offset += img[i].PointerToRawData;
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}
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return offset;
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}
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}
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return 0;
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}
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static BYTE *GetData(BYTE *pData, ULONG *pLength)
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{
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if ((*pData & 0x80) == 0x00)
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{
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*pLength = (*pData & 0x7f);
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return pData + 1;
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}
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if ((*pData & 0xC0) == 0x80)
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{
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*pLength = ((*pData & 0x3f) << 8 | *(pData + 1));
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return pData + 2;
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}
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if ((*pData & 0xE0) == 0xC0)
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{
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*pLength = ((*pData & 0x1f) << 24 | *(pData + 1) << 16 |
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*(pData + 2) << 8 | *(pData + 3));
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return pData + 4;
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}
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*pLength = (ULONG)-1;
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return 0;
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}
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static VOID *assembly_data_offset(ASSEMBLY *assembly, ULONG offset)
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{
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return &assembly->data[offset];
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}
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#define MAX_TABLES_WORD 0xFFFF
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#define MAX_TABLES_1BIT_ENCODE 32767
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#define MAX_TABLES_2BIT_ENCODE 16383
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#define MAX_TABLES_3BIT_ENCODE 8191
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#define MAX_TABLES_5BIT_ENCODE 2047
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static inline ULONG get_table_size(const ASSEMBLY *assembly, DWORD index)
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{
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DWORD size;
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INT tables;
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switch (TokenFromTable(index))
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{
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case mdtModule:
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{
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size = sizeof(MODULETABLE) + (assembly->stringsz - sizeof(WORD)) +
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2 * (assembly->guidsz - sizeof(WORD));
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break;
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}
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case mdtTypeRef:
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{
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size = sizeof(TYPEREFTABLE) + 2 * (assembly->stringsz - sizeof(WORD));
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/* ResolutionScope:ResolutionScope */
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tables = max(assembly->tables[TableFromToken(mdtModule)].rows,
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assembly->tables[TableFromToken(mdtModuleRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtAssemblyRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeRef)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case mdtTypeDef:
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{
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size = sizeof(TYPEDEFTABLE) + 2 * (assembly->stringsz - sizeof(WORD));
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/* Extends:TypeDefOrRef */
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tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
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assembly->tables[TableFromToken(mdtTypeRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtMethodDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtFieldDef:
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{
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size = sizeof(FIELDTABLE) + (assembly->stringsz - sizeof(WORD)) +
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(assembly->blobsz - sizeof(WORD));
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break;
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}
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case mdtMethodDef:
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{
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size = sizeof(METHODDEFTABLE) + (assembly->stringsz - sizeof(WORD)) +
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(assembly->blobsz - sizeof(WORD));
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size += (assembly->tables[TableFromToken(mdtParamDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtParamDef:
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{
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size = sizeof(PARAMTABLE) + (assembly->stringsz - sizeof(WORD));
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break;
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}
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case mdtInterfaceImpl:
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{
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size = sizeof(INTERFACEIMPLTABLE);
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/* Interface:TypeDefOrRef */
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tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
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assembly->tables[TableFromToken(mdtTypeRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case mdtMemberRef:
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{
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size = sizeof(MEMBERREFTABLE) + (assembly->stringsz - sizeof(WORD)) +
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(assembly->blobsz - sizeof(WORD));
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/* Class:MemberRefParent */
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tables = max(assembly->tables[TableFromToken(mdtTypeRef)].rows,
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assembly->tables[TableFromToken(mdtModuleRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtMethodDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeDef)].rows);
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size += (tables > MAX_TABLES_3BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case 0x0B000000: /* FIXME */
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{
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size = sizeof(CONSTANTTABLE) + (assembly->blobsz - sizeof(WORD));
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/* Parent:HasConstant */
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tables = max(assembly->tables[TableFromToken(mdtParamDef)].rows,
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assembly->tables[TableFromToken(mdtFieldDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtProperty)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case mdtCustomAttribute:
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{
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size = sizeof(CUSTOMATTRIBUTETABLE) + (assembly->blobsz - sizeof(WORD));
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/* Parent:HasCustomAttribute */
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tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
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assembly->tables[TableFromToken(mdtFieldDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtParamDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtInterfaceImpl)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtMemberRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtPermission)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtProperty)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtEvent)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtSignature)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtModuleRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtAssembly)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtFile)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtExportedType)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtManifestResource)].rows);
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size += (tables > MAX_TABLES_5BIT_ENCODE) ? sizeof(WORD) : 0;
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/* Type:CustomAttributeType */
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tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
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assembly->tables[TableFromToken(mdtMemberRef)].rows);
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size += (tables > MAX_TABLES_3BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case 0x0D000000: /* FIXME */
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{
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size = sizeof(FIELDMARSHALTABLE) + (assembly->blobsz - sizeof(WORD));
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/* Parent:HasFieldMarshal */
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tables = max(assembly->tables[TableFromToken(mdtFieldDef)].rows,
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assembly->tables[TableFromToken(mdtParamDef)].rows);
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size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case mdtPermission:
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{
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size = sizeof(DECLSECURITYTABLE) + (assembly->blobsz - sizeof(WORD));
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/* Parent:HasDeclSecurity */
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tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
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assembly->tables[TableFromToken(mdtMethodDef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtAssembly)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case 0x0F000000: /* FIXME */
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{
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size = sizeof(CLASSLAYOUTTABLE);
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size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case 0x10000000: /* FIXME */
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{
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size = sizeof(FIELDLAYOUTTABLE);
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size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtSignature:
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{
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size = sizeof(STANDALONESIGTABLE) + (assembly->blobsz - sizeof(WORD));
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break;
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}
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case 0x12000000: /* FIXME */
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{
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size = sizeof(EVENTMAPTABLE);
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size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtEvent)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtEvent:
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{
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size = sizeof(EVENTTABLE) + (assembly->stringsz - sizeof(WORD));
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/* EventType:TypeDefOrRef */
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tables = max(assembly->tables[TableFromToken(mdtTypeDef)].rows,
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assembly->tables[TableFromToken(mdtTypeRef)].rows);
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tables = max(tables, assembly->tables[TableFromToken(mdtTypeSpec)].rows);
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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case 0x15000000:/* FIXME */
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{
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size = sizeof(PROPERTYMAPTABLE);
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size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtProperty)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtProperty:
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{
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size = sizeof(PROPERTYTABLE) + (assembly->stringsz - sizeof(WORD)) +
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(assembly->blobsz - sizeof(WORD));
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break;
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}
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case 0x18000000: /* FIXME */
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{
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size = sizeof(METHODSEMANTICSTABLE);
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/* Association:HasSemantics */
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tables = max(assembly->tables[TableFromToken(mdtEvent)].rows,
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assembly->tables[TableFromToken(mdtProperty)].rows);
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size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtMethodDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case 0x19000000: /* FIXME */
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{
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size = sizeof(METHODIMPLTABLE);
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/* MethodBody:MethodDefOrRef, MethodDeclaration:MethodDefOrRef */
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tables = max(assembly->tables[TableFromToken(mdtMethodDef)].rows,
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assembly->tables[TableFromToken(mdtMemberRef)].rows);
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size += (tables > MAX_TABLES_1BIT_ENCODE) ? 2 * sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtModuleRef:
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{
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size = sizeof(MODULEREFTABLE) + (assembly->stringsz - sizeof(WORD));
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break;
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}
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case mdtTypeSpec:
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{
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size = sizeof(TYPESPECTABLE) + (assembly->blobsz - sizeof(WORD));
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break;
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}
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case 0x1C000000: /* FIXME */
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{
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size = sizeof(IMPLMAPTABLE) + (assembly->stringsz - sizeof(WORD));
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/* MemberForwarded:MemberForwarded */
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tables = max(assembly->tables[TableFromToken(mdtFieldDef)].rows,
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assembly->tables[TableFromToken(mdtMethodDef)].rows);
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size += (tables > MAX_TABLES_1BIT_ENCODE) ? sizeof(WORD) : 0;
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size += (assembly->tables[TableFromToken(mdtModuleRef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case 0x1D000000: /* FIXME */
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{
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size = sizeof(FIELDRVATABLE);
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size += (assembly->tables[TableFromToken(mdtFieldDef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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}
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case mdtAssembly:
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{
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size = sizeof(ASSEMBLYTABLE) + 2 * (assembly->stringsz - sizeof(WORD)) +
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(assembly->blobsz - sizeof(WORD));
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break;
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}
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case 0x20000001: /* FIXME */
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{
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size = sizeof(ASSEMBLYPROCESSORTABLE);
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break;
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}
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case 0x22000000: /* FIXME */
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{
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size = sizeof(ASSEMBLYOSTABLE);
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break;
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}
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case mdtAssemblyRef:
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{
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size = sizeof(ASSEMBLYREFTABLE) + 2 * (assembly->stringsz - sizeof(WORD)) +
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2 * (assembly->blobsz - sizeof(WORD));
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break;
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|
}
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case 0x24000000: /* FIXME */
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{
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size = sizeof(ASSEMBLYREFPROCESSORTABLE);
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size += (assembly->tables[TableFromToken(mdtAssemblyRef)].rows >
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MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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|
}
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case 0x25000000: /* FIXME */
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|
{
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size = sizeof(ASSEMBLYREFOSTABLE);
|
|
size += (assembly->tables[TableFromToken(mdtAssemblyRef)].rows >
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|
MAX_TABLES_WORD) ? sizeof(WORD) : 0;
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break;
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|
}
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case mdtFile:
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|
{
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size = sizeof(FILETABLE) + (assembly->stringsz - sizeof(WORD)) +
|
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(assembly->blobsz - sizeof(WORD));
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break;
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|
}
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|
case mdtExportedType:
|
|
{
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size = sizeof(EXPORTEDTYPETABLE) + 2 * (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* Implementation:Implementation */
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|
tables = max(assembly->tables[TableFromToken(mdtFile)].rows,
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assembly->tables[TableFromToken(mdtMethodDef)].rows);
|
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size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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}
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|
case mdtManifestResource:
|
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{
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size = sizeof(MANIFESTRESTABLE) + (assembly->stringsz - sizeof(WORD));
|
|
|
|
/* Implementation:Implementation */
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tables = max(assembly->tables[TableFromToken(mdtFile)].rows,
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assembly->tables[TableFromToken(mdtAssemblyRef)].rows);
|
|
size += (tables > MAX_TABLES_2BIT_ENCODE) ? sizeof(WORD) : 0;
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break;
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|
}
|
|
case 0x29000000: /* FIXME */
|
|
{
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|
size = sizeof(NESTEDCLASSTABLE);
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|
size += (assembly->tables[TableFromToken(mdtTypeDef)].rows >
|
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MAX_TABLES_WORD) ? 2 * sizeof(WORD) : 0;
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break;
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|
}
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|
default:
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return 0;
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}
|
|
|
|
return size;
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|
}
|
|
|
|
static HRESULT parse_clr_tables(ASSEMBLY *assembly, ULONG offset)
|
|
{
|
|
DWORD i, count;
|
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ULONG currofs;
|
|
ULONGLONG mask;
|
|
|
|
currofs = offset;
|
|
assembly->tableshdr = assembly_data_offset(assembly, currofs);
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if (!assembly->tableshdr)
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return E_FAIL;
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|
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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;
|
|
|
|
memset(assembly->tables, -1, MAX_CLR_TABLES * sizeof(CLRTABLE));
|
|
|
|
for (i = count = 0, mask = 1; i < MAX_CLR_TABLES; i++, mask <<= 1)
|
|
{
|
|
if (assembly->tableshdr->MaskValid.QuadPart & mask)
|
|
assembly->tables[i].rows = assembly->numrows[count++];
|
|
}
|
|
assembly->numtables = count;
|
|
currofs += assembly->numtables * sizeof(DWORD);
|
|
|
|
for (i = 0, mask = 1; i < MAX_CLR_TABLES; i++, mask <<= 1)
|
|
{
|
|
if (assembly->tableshdr->MaskValid.QuadPart & mask)
|
|
{
|
|
assembly->tables[i].offset = currofs;
|
|
currofs += get_table_size(assembly, i) * assembly->tables[i].rows;
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
if (!(assembly->metadatahdr = heap_alloc(sizeof(*assembly->metadatahdr)))) return E_OUTOFMEMORY;
|
|
|
|
size = FIELD_OFFSET(METADATAHDR, Version);
|
|
memcpy(assembly->metadatahdr, metadatahdr, size);
|
|
|
|
assembly->metadatahdr->Version = (LPSTR)&metadatahdr->Version;
|
|
|
|
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) + 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;
|
|
|
|
if (!(assembly = heap_alloc_zero(sizeof(*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;
|
|
|
|
heap_free(assembly->metadatahdr);
|
|
heap_free(assembly->path);
|
|
UnmapViewOfFile(assembly->data);
|
|
CloseHandle(assembly->hmap);
|
|
CloseHandle(assembly->hfile);
|
|
heap_free(assembly);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
static LPWSTR assembly_dup_str(const ASSEMBLY *assembly, DWORD index)
|
|
{
|
|
int len;
|
|
LPWSTR cpy;
|
|
LPCSTR str = (LPCSTR)&assembly->strings[index];
|
|
|
|
len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
|
|
|
|
if ((cpy = heap_alloc(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(const ASSEMBLY *assembly, LPWSTR *path)
|
|
{
|
|
WCHAR *cpy = heap_alloc((lstrlenW(assembly->path) + 1) * sizeof(WCHAR));
|
|
*path = cpy;
|
|
if (cpy)
|
|
lstrcpyW(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;
|
|
|
|
if (!(*version = heap_alloc(24 * sizeof(WCHAR))))
|
|
return E_OUTOFMEMORY;
|
|
|
|
swprintf(*version, format, asmtbl->MajorVersion, asmtbl->MinorVersion,
|
|
asmtbl->BuildNumber, asmtbl->RevisionNumber);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
PEKIND assembly_get_architecture(ASSEMBLY *assembly)
|
|
{
|
|
if ((assembly->corhdr->MajorRuntimeVersion == 2) && (assembly->corhdr->MinorRuntimeVersion == 0))
|
|
return peNone; /* .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, DWORD index, ULONG *size)
|
|
{
|
|
return GetData(&assembly->blobs[index], size);
|
|
}
|
|
|
|
HRESULT assembly_get_pubkey_token(ASSEMBLY *assembly, LPWSTR *token)
|
|
{
|
|
ULONG i, size;
|
|
LONG offset;
|
|
BYTE hashdata[20], *pubkey, *ptr;
|
|
BCRYPT_ALG_HANDLE alg;
|
|
BYTE tokbytes[BYTES_PER_TOKEN];
|
|
HRESULT hr = E_FAIL;
|
|
LPWSTR tok;
|
|
DWORD idx;
|
|
|
|
*token = NULL;
|
|
|
|
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);
|
|
if (assembly->blobsz == sizeof(DWORD))
|
|
idx = *(DWORD *)ptr;
|
|
else
|
|
idx = *(WORD *)ptr;
|
|
|
|
pubkey = assembly_get_blob(assembly, idx, &size);
|
|
|
|
if (BCryptOpenAlgorithmProvider(&alg, BCRYPT_SHA1_ALGORITHM, MS_PRIMITIVE_PROVIDER, 0) != STATUS_SUCCESS)
|
|
return E_FAIL;
|
|
|
|
if (BCryptHash(alg, NULL, 0, pubkey, size, hashdata, sizeof(hashdata)) != STATUS_SUCCESS)
|
|
{
|
|
hr = E_FAIL;
|
|
goto done;
|
|
}
|
|
|
|
size = sizeof(hashdata);
|
|
for (i = size - 1; i >= size - 8; i--)
|
|
tokbytes[size - i - 1] = hashdata[i];
|
|
|
|
if (!(tok = heap_alloc((TOKEN_LENGTH + 1) * sizeof(WCHAR))))
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
goto done;
|
|
}
|
|
|
|
token_to_str(tokbytes, tok);
|
|
|
|
*token = tok;
|
|
hr = S_OK;
|
|
|
|
done:
|
|
BCryptCloseAlgorithmProvider(alg, 0);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT assembly_get_runtime_version(ASSEMBLY *assembly, LPSTR *version)
|
|
{
|
|
*version = assembly->metadatahdr->Version;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT assembly_get_external_files(ASSEMBLY *assembly, LPWSTR **files, DWORD *count)
|
|
{
|
|
LONG offset;
|
|
INT i, num_rows;
|
|
WCHAR **ret;
|
|
BYTE *ptr;
|
|
DWORD idx;
|
|
|
|
*count = 0;
|
|
|
|
offset = assembly->tables[TableFromToken(mdtFile)].offset;
|
|
if (offset == -1)
|
|
return S_OK;
|
|
|
|
ptr = assembly_data_offset(assembly, offset);
|
|
if (!ptr)
|
|
return S_OK;
|
|
|
|
num_rows = assembly->tables[TableFromToken(mdtFile)].rows;
|
|
if (num_rows <= 0)
|
|
return S_OK;
|
|
|
|
if (!(ret = heap_alloc(num_rows * sizeof(WCHAR *)))) return E_OUTOFMEMORY;
|
|
|
|
for (i = 0; i < num_rows; i++)
|
|
{
|
|
ptr += sizeof(DWORD); /* skip Flags field */
|
|
if (assembly->stringsz == sizeof(DWORD))
|
|
idx = *(DWORD *)ptr;
|
|
else
|
|
idx = *(WORD *)ptr;
|
|
|
|
ret[i] = assembly_dup_str(assembly, idx);
|
|
if (!ret[i])
|
|
{
|
|
for (; i >= 0; i--) heap_free(ret[i]);
|
|
heap_free(ret);
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
ptr += assembly->stringsz; /* skip Name field */
|
|
ptr += assembly->blobsz; /* skip Hash field */
|
|
}
|
|
*count = num_rows;
|
|
*files = ret;
|
|
return S_OK;
|
|
}
|