| 1 | /* $Id: winimgres.cpp,v 1.26 1999-11-05 12:54:50 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Win32 PE Image class (resource methods)
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| 5 | *
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| 6 | * Copyright 1998 Sander van Leeuwen (sandervl@xs4all.nl)
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| 7 | *
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| 8 | *
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| 9 | * Project Odin Software License can be found in LICENSE.TXT
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| 10 | *
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| 11 | * TODO: Check created resource objects before loading the resource!
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| 12 | * TODO: Once the resource handling in PE2LX/win32k is changed,
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| 13 | * getVersionStruct/Size can be moved into the Win32ImageBase class
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| 14 | * TODO: Support for 'DIB' resource type (VPBuddy)
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| 15 | *
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| 16 | */
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| 17 | #include <os2win.h>
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| 18 | #include <stdio.h>
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| 19 | #include <stdlib.h>
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| 20 | #include <string.h>
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| 21 |
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| 22 | #include <misc.h>
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| 23 | #include <winimagebase.h>
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| 24 | #include <winimagepe2lx.h>
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| 25 | #include <winimagepeldr.h>
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| 26 | #include <winimagelx.h>
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| 27 | #include <winres.h>
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| 28 | #include <unicode.h>
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| 29 | #include <heapstring.h>
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| 30 | #include "pefile.h"
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| 31 | #include "oslibmisc.h"
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| 32 |
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| 33 | //SvL: VPBuddy bugfix, seems to load bitmaps with type name 'DIB'
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| 34 | #define BITMAP_TYPENAME2 "DIB"
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| 35 |
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| 36 | //******************************************************************************
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| 37 | //Assuming names are case insensitive
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| 38 | //PE spec says names & ids are sorted; keep on searching just to be sure
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| 39 | //******************************************************************************
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| 40 | PIMAGE_RESOURCE_DATA_ENTRY
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| 41 | Win32ImageBase::getPEResourceEntry(ULONG id, ULONG type, ULONG lang)
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| 42 | {
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| 43 | PIMAGE_RESOURCE_DIRECTORY prdType;
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| 44 | PIMAGE_RESOURCE_DIRECTORY_ENTRY prde;
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| 45 | PIMAGE_RESOURCE_DIR_STRING_U pstring;
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| 46 | PIMAGE_RESOURCE_DATA_ENTRY pData = NULL;
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| 47 | ULONG nodeData[3], i, j, nameOffset;
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| 48 | BOOL fFound = FALSE, fNumType;
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| 49 |
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| 50 | //PH: our system LX DLLs might not have a resource segment
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| 51 | if (pResDir == NULL)
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| 52 | return NULL;
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| 53 |
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| 54 | /* set pointer to first resource type entry */
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| 55 | prde = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)((ULONG)pResDir + sizeof(IMAGE_RESOURCE_DIRECTORY));
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| 56 |
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| 57 | /* loop through all resource directory entry types */
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| 58 | //1st level -> types
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| 59 | //2nd level -> names
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| 60 | //3rd level -> language
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| 61 | nodeData[0] = id;
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| 62 | nodeData[1] = lang;
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| 63 | nodeData[2] = 0xFFFFFFFF;
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| 64 |
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| 65 | fNumType = TRUE; //assume numeric
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| 66 | if(HIWORD(type) != 0) {//string id?
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| 67 | for(i=0;i<MAX_RES;i++) {
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| 68 | if(stricmp((char *)type, ResTypes[i]) == 0)
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| 69 | break;
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| 70 | }
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| 71 | //TODO:
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| 72 | #if 0
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| 73 | if(stricmp((char *)type, BITMAP_TYPENAME2) == 0) {
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| 74 | i = (int)RT_BITMAPA;
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| 75 | }
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| 76 | #endif
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| 77 |
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| 78 | if(i == MAX_RES) {//custom resource type
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| 79 | fNumType = FALSE;
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| 80 | }
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| 81 | else type = i;
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| 82 | }
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| 83 |
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| 84 | for (i=0; i<pResDir->NumberOfNamedEntries+pResDir->NumberOfIdEntries; i++) {
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| 85 | /* locate directory or each resource type */
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| 86 | prdType = (PIMAGE_RESOURCE_DIRECTORY)((int)pResDir + (int)prde->u2.OffsetToData);
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| 87 |
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| 88 | if(i < pResDir->NumberOfNamedEntries)
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| 89 | {//name or id entry?
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| 90 | //SvL: 30-10-'97, high bit is set, so clear to get real offset
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| 91 | nameOffset = prde->u1.Name & ~0x80000000;
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| 92 |
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| 93 | pstring = (PIMAGE_RESOURCE_DIR_STRING_U)((ULONG)pResDir + nameOffset);
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| 94 | char *typename = (char *)malloc(pstring->Length+1);
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| 95 | lstrcpynWtoA(typename, pstring->NameString, pstring->Length+1);
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| 96 | typename[pstring->Length] = 0;
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| 97 |
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| 98 | if(!fNumType) {
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| 99 | if(stricmp(typename, (char *)type) == 0) {
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| 100 | fFound = TRUE;
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| 101 | }
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| 102 | }
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| 103 | else {
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| 104 | for(j=0;j<MAX_RES;j++) {
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| 105 | if(stricmp(typename, ResTypes[j]) == 0)
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| 106 | break;
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| 107 | }
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| 108 | if(j == type) {
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| 109 | fFound = TRUE;
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| 110 | }
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| 111 | }
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| 112 | free(typename);
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| 113 | }
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| 114 | else {
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| 115 | if(prde->u1.Id == type) {
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| 116 | fFound = TRUE;
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| 117 | }
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| 118 | }
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| 119 | if(fFound) {
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| 120 | if((ULONG)prdType & 0x80000000) {//subdirectory?
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| 121 | pData = ProcessResSubDir(prdType, &nodeData[0], 2);
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| 122 | }
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| 123 | else {
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| 124 | pData = (PIMAGE_RESOURCE_DATA_ENTRY)prdType;
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| 125 | dprintf(("getResource: not a subdir!!\n"));
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| 126 | }
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| 127 | break;
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| 128 | }
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| 129 | /* increment to next entry */
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| 130 | prde++;
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| 131 | }
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| 132 | return pData;
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| 133 | }
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| 134 | //******************************************************************************
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| 135 | //level: 2 ids
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| 136 | // 3 languages
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| 137 | //******************************************************************************
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| 138 | PIMAGE_RESOURCE_DATA_ENTRY
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| 139 | Win32ImageBase::ProcessResSubDir(PIMAGE_RESOURCE_DIRECTORY prdType,
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| 140 | ULONG *nodeData, int level)
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| 141 | {
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| 142 | PIMAGE_RESOURCE_DIRECTORY prdType2;
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| 143 | PIMAGE_RESOURCE_DIRECTORY_ENTRY prde;
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| 144 | PIMAGE_RESOURCE_DIR_STRING_U pstring;
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| 145 | PIMAGE_RESOURCE_DATA_ENTRY pData;
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| 146 | BOOL fFound = FALSE, fNumId;
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| 147 | ULONG nrres, nameOffset;
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| 148 | char *resname;
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| 149 | int i;
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| 150 |
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| 151 | if(*nodeData == 0xFFFFFFFF) {//shouldn't happen!
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| 152 | dprintf(("ProcessResSubDir: *nodeData == 0xFFFFFFFF!\n"));
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| 153 | return(NULL);
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| 154 | }
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| 155 | prdType = (PIMAGE_RESOURCE_DIRECTORY)((ULONG)prdType & ~0x80000000);
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| 156 | prde = (PIMAGE_RESOURCE_DIRECTORY_ENTRY)((DWORD)prdType + sizeof(IMAGE_RESOURCE_DIRECTORY));
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| 157 |
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| 158 | //level 2 (id) -> get first id?
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| 159 | //level 3 (lang) -> get first language?
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| 160 | if(*nodeData == IDLANG_GETFIRST) {
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| 161 | nrres = prdType->NumberOfNamedEntries + prdType->NumberOfIdEntries;
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| 162 | fNumId = (prdType->NumberOfNamedEntries == 0);
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| 163 | }
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| 164 | else {
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| 165 | fNumId = HIWORD(*nodeData) == 0;
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| 166 |
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| 167 | if(fNumId) {//numeric or string id?
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| 168 | nrres = prdType->NumberOfIdEntries;
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| 169 | prde += prdType->NumberOfNamedEntries; //skip name entries
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| 170 | }
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| 171 | else nrres = prdType->NumberOfNamedEntries;
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| 172 | }
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| 173 |
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| 174 | for(i=0;i<nrres;i++) {
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| 175 | /* locate directory or each resource type */
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| 176 | prdType2 = (PIMAGE_RESOURCE_DIRECTORY)((ULONG)pResDir + (ULONG)prde->u2.OffsetToData);
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| 177 |
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| 178 | if(*nodeData == IDLANG_GETFIRST) {
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| 179 | fFound = TRUE; //always take the first one
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| 180 | }
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| 181 | else
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| 182 | if(!fNumId) {//name or id entry?
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| 183 | nameOffset = prde->u1.Name;
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| 184 | if(prde->u1.s.NameIsString) //unicode directory string /*PLF Sat 97-06-21 22:30:35*/
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| 185 | nameOffset &= ~0x80000000;
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| 186 |
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| 187 | pstring = (PIMAGE_RESOURCE_DIR_STRING_U)((ULONG)pResDir + nameOffset);
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| 188 |
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| 189 | resname = (char *)malloc(pstring->Length+1);
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| 190 | lstrcpynWtoA(resname, pstring->NameString, pstring->Length+1);
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| 191 | resname[pstring->Length] = 0;
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| 192 | if(stricmp(resname, (char *)*nodeData) == 0) {
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| 193 | fFound = TRUE;
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| 194 | }
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| 195 | free(resname);
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| 196 | }
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| 197 | else {
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| 198 | if(*nodeData == prde->u1.Id)
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| 199 | fFound = TRUE;
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| 200 | }
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| 201 |
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| 202 | if(fFound) {
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| 203 | if((ULONG)prdType2 & 0x80000000) {//subdirectory?
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| 204 | return ProcessResSubDir(prdType2, nodeData+1, 3);
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| 205 | }
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| 206 | else {
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| 207 | pData = (PIMAGE_RESOURCE_DATA_ENTRY)prdType2;
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| 208 | if(pData->Size) {//winamp17 winzip archive has resource with size 0
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| 209 | return(pData);
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| 210 | }
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| 211 | else return(NULL);
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| 212 | }
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| 213 | }
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| 214 | prde++;
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| 215 | }
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| 216 | return(NULL);
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| 217 | }
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| 218 | //******************************************************************************
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| 219 | //******************************************************************************
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| 220 | ULONG Win32ImageBase::getPEResourceSize(ULONG id, ULONG type, ULONG lang)
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| 221 | {
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| 222 | PIMAGE_RESOURCE_DATA_ENTRY pData = NULL;
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| 223 |
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| 224 | pData = getPEResourceEntry(id, type, lang);
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| 225 | if(pData == NULL) {
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| 226 | dprintf(("Win32ImageBase::getPEResourceSize: couldn't find resource %d (type %d, lang %d)", id, type, lang));
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| 227 | return 0;
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| 228 | }
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| 229 | return pData->Size;
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| 230 | }
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| 231 | //******************************************************************************
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| 232 | //******************************************************************************
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| 233 | HRSRC Win32ImageBase::findResourceA(LPCSTR lpszName, LPSTR lpszType, ULONG lang)
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| 234 | {
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| 235 | PIMAGE_RESOURCE_DATA_ENTRY pData = NULL;
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| 236 | Win32Resource *res;
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| 237 | BOOL fNumType;
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| 238 | char *winres = NULL;
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| 239 | ULONG id, type;
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| 240 | int i, j;
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| 241 |
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| 242 | fNumType = TRUE; //assume numeric
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| 243 | if(HIWORD(lpszType) != 0) {//string id?
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| 244 | for(i=0;i<MAX_RES;i++) {
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| 245 | if(stricmp(lpszType, ResTypes[i]) == 0)
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| 246 | break;
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| 247 | }
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| 248 | //TODO:
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| 249 | #if 0
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| 250 | if(stricmp((char *)lpszType, BITMAP_TYPENAME2) == 0) {
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| 251 | i = (int)RT_BITMAPA;
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| 252 | }
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| 253 | #endif
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| 254 | if(i == MAX_RES) {//custom resource type
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| 255 | fNumType = FALSE;
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| 256 | type = (ULONG)lpszType;
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| 257 | }
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| 258 | else type = i;
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| 259 | }
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| 260 | else type = (ULONG)lpszType;
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| 261 |
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| 262 | id = (ULONG)lpszName;
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| 263 |
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| 264 | pData = getPEResourceEntry(id, type, lang);
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| 265 | if(pData == NULL) {
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| 266 | if(HIWORD(id)) {
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| 267 | dprintf(("Win32ImageBase::getPEResource %s: couldn't find resource %s (type %d, lang %d)", szModule, id, type, lang));
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| 268 | }
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| 269 | else dprintf(("Win32ImageBase::getPEResource %s: couldn't find resource %d (type %d, lang %d)", szModule, id, type, lang));
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| 270 | return 0;
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| 271 | }
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| 272 | //pResourceSectionStart contains the virtual address of the imagebase in the PE header
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| 273 | //for the resource section (images loaded by the pe.exe)
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| 274 | //For LX images, this is 0 as OffsetToData contains a relative offset
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| 275 | char *resdata = (char *)((char *)pResDir + pData->OffsetToData - pResourceSectionStart);
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| 276 | res = new Win32Resource(this, id, type, pData->Size, resdata);
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| 277 |
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| 278 | return (HRSRC) res;
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| 279 | }
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| 280 | //******************************************************************************
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| 281 | //******************************************************************************
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| 282 | HRSRC Win32ImageBase::findResourceW(LPWSTR lpszName, LPWSTR lpszType, ULONG lang)
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| 283 | {
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| 284 | HRSRC hres;
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| 285 | char *astring1 = NULL, *astring2 = NULL;
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| 286 |
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| 287 | if(HIWORD(lpszName) != 0) {
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| 288 | astring1 = UnicodeToAsciiString(lpszName);
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| 289 | }
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| 290 | else astring1 = (char *)lpszName;
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| 291 |
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| 292 | if(HIWORD(lpszType) != 0) {
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| 293 | astring2 = UnicodeToAsciiString(lpszType);
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| 294 | }
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| 295 | else astring2 = (char *)lpszType;
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| 296 |
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| 297 | hres = (HRSRC) findResourceA(astring1, astring2);
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| 298 |
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| 299 | if(HIWORD(astring1)) FreeAsciiString(astring1);
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| 300 | if(HIWORD(astring2)) FreeAsciiString(astring2);
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| 301 |
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| 302 | return(hres);
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| 303 | }
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| 304 | //******************************************************************************
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| 305 | //TODO:
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| 306 | //******************************************************************************
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| 307 | #if 0
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| 308 | ULONG Win32Pe2LxImage::getResourceSizeA(LPCSTR lpszName, LPSTR lpszType, ULONG lang)
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| 309 | {
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| 310 | DebugInt3();
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| 311 | return 0;
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| 312 | }
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| 313 | #endif
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| 314 | //******************************************************************************
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| 315 | //******************************************************************************
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| 316 | ULONG Win32ImageBase::getResourceSizeA(LPCSTR lpszName, LPSTR lpszType, ULONG lang)
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| 317 | {
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| 318 | return getPEResourceSize((ULONG)lpszName, (ULONG)lpszType, lang);
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| 319 | }
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| 320 | //******************************************************************************
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| 321 | //******************************************************************************
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| 322 | ULONG Win32ImageBase::getResourceSizeW(LPCWSTR lpszName, LPWSTR lpszType, ULONG lang)
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| 323 | {
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| 324 | char *astring1 = NULL, *astring2 = NULL;
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| 325 | ULONG ressize;
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| 326 |
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| 327 | if(HIWORD(lpszName) != 0) {
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| 328 | astring1 = UnicodeToAsciiString((LPWSTR)lpszName);
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| 329 | }
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| 330 | else astring1 = (char *)lpszName;
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| 331 |
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| 332 | if(HIWORD(lpszType) != 0) {
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| 333 | astring2 = UnicodeToAsciiString(lpszType);
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| 334 | }
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| 335 | else astring2 = (char *)lpszType;
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| 336 |
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| 337 | ressize = getResourceSizeA(astring2, astring1, lang);
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| 338 |
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| 339 | if(HIWORD(astring1)) FreeAsciiString(astring1);
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| 340 | if(HIWORD(astring2)) FreeAsciiString(astring2);
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| 341 |
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| 342 | return(ressize);
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| 343 | }
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| 344 | //******************************************************************************
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| 345 | //******************************************************************************
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| 346 | #if 0
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| 347 | ULONG Win32Pe2LxImage::getVersionSize()
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| 348 | {
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| 349 | if(getVersionId() == -1) {
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| 350 | dprintf(("GetVersionSize: %s has no version resource!\n", szModule));
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| 351 | return(0);
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| 352 | }
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| 353 | return OSLibGetResourceSize(hinstance, getVersionId());
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| 354 | }
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| 355 | //******************************************************************************
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| 356 | //******************************************************************************
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| 357 | BOOL Win32Pe2LxImage::getVersionStruct(char *verstruct, ULONG bufLength)
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| 358 | {
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| 359 | if(getVersionId() == -1) {
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| 360 | dprintf(("GetVersionStruct: %s has no version resource!\n", szModule));
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| 361 | return(FALSE);
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| 362 | }
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| 363 | return OSLibGetResource(hinstance, getVersionId(), verstruct, bufLength);
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| 364 | }
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| 365 | #endif
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| 366 | //******************************************************************************
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| 367 | //******************************************************************************
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| 368 | ULONG Win32ImageBase::getVersionSize()
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| 369 | {
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| 370 | return getResourceSizeA((LPCSTR)1, (LPSTR)NTRT_VERSION);
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| 371 | }
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| 372 | //******************************************************************************
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| 373 | //******************************************************************************
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| 374 | BOOL Win32ImageBase::getVersionStruct(char *verstruct, ULONG bufLength)
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| 375 | {
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| 376 | PIMAGE_RESOURCE_DATA_ENTRY pData = NULL;
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| 377 |
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| 378 | if(verstruct == NULL || bufLength == 0) {
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| 379 | SetLastError(ERROR_INVALID_PARAMETER);
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| 380 | return FALSE;
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| 381 | }
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| 382 | pData = getPEResourceEntry(ID_GETFIRST, NTRT_VERSION);
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| 383 | if(pData == NULL) {
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| 384 | dprintf(("Win32PeLdrImage::getVersionStruct: couldn't find version resource!"));
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| 385 | return 0;
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| 386 | }
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| 387 | char *resdata = (char *)((char *)pResDir + pData->OffsetToData - pResourceSectionStart);
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| 388 | memcpy(verstruct, resdata, min(bufLength, pData->Size));
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| 389 | return TRUE;
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| 390 | }
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| 391 | //******************************************************************************
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| 392 | //******************************************************************************
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