added support for mismatching installer and uninstaller icons
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5307 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik
parent
a9cf8ee77d
commit
be36b69b03
5 changed files with 329 additions and 214 deletions
441
Source/icon.cpp
441
Source/icon.cpp
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@ -1,271 +1,326 @@
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#include "Platform.h"
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#include "icon.h"
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#include "util.h"
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#include "lang.h"
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#include <stdio.h>
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#include <stdexcept>
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#include <vector>
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#include <algorithm>
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using namespace std;
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extern int g_display_errors;
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extern FILE *g_output;
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// Icon editing structures
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typedef struct {
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WORD wReserved;
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WORD wIsIcon;
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WORD wCount;
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} IconGroupHeader;
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typedef struct {
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BYTE bWidth;
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BYTE bHeight;
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BYTE bPaletteEntries;
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BYTE bReserved;
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WORD wPlanes;
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WORD wBitsPerPixel;
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DWORD dwRawSize;
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DWORD dwImageOffset;
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} FileIconGroupEntry;
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typedef struct {
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BYTE bWidth;
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BYTE bHeight;
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BYTE bPaletteEntries;
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BYTE bReserved;
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WORD wPlanes;
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WORD wBitsPerPixel;
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DWORD dwRawSize;
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WORD wRsrcId;
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} RsrcIconGroupEntry;
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#define SIZEOF_RSRC_ICON_GROUP_ENTRY 14
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static FILE * open_icon(const char* filename, IconGroupHeader *igh)
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static FILE * open_icon(const char* filename, IconGroupHeader& igh)
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{
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FILE* f = FOPEN(filename, "rb");
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if (!f)
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throw runtime_error("can't open file");
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if (!fread(igh, sizeof(IconGroupHeader), 1, f))
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throw runtime_error("unable to read file");
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if (!fread(&igh, sizeof(IconGroupHeader), 1, f))
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throw runtime_error("unable to read header from file");
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FIX_ENDIAN_INT16_INPLACE(igh->wIsIcon);
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FIX_ENDIAN_INT16_INPLACE(igh->wReserved);
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FIX_ENDIAN_INT16_INPLACE(igh->wCount);
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FIX_ENDIAN_INT16_INPLACE(igh.wIsIcon);
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FIX_ENDIAN_INT16_INPLACE(igh.wReserved);
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FIX_ENDIAN_INT16_INPLACE(igh.wCount);
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if (igh->wIsIcon != 1 || igh->wReserved != 0)
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if (igh.wIsIcon != 1 || igh.wReserved != 0)
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throw runtime_error("invalid icon file");
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return f;
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}
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// replace_icon, must get an initialized resource editor
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void replace_icon(CResourceEditor* re, WORD wIconId, const char* filename)
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void free_loaded_icon(IconGroup icon)
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{
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IconGroupHeader igh, *new_igh;
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FILE *f = open_icon(filename, &igh);
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for (IconGroup::size_type i = 0; i < icon.size(); i++)
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{
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delete [] icon[i].data;
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}
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}
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BYTE* rsrcIconGroup = (BYTE*)malloc(sizeof(IconGroupHeader) + igh.wCount*SIZEOF_RSRC_ICON_GROUP_ENTRY);
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if (!rsrcIconGroup) throw bad_alloc();
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IconGroup load_icon_file(const char* filename)
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{
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IconGroupHeader iconHeader;
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IconGroup result;
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CopyMemory(rsrcIconGroup, &igh, sizeof(IconGroupHeader));
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FILE *file = open_icon(filename, iconHeader);
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new_igh = (IconGroupHeader *) rsrcIconGroup;
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FIX_ENDIAN_INT16_INPLACE(new_igh->wIsIcon);
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FIX_ENDIAN_INT16_INPLACE(new_igh->wReserved);
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FIX_ENDIAN_INT16_INPLACE(new_igh->wCount);
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for (unsigned i = 0; i < iconHeader.wCount; i++)
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{
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Icon icon;
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icon.index = i;
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icon.data = NULL;
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RsrcIconGroupEntry* ige = (RsrcIconGroupEntry*)(rsrcIconGroup + sizeof(IconGroupHeader));
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if (!fread(&icon.meta, sizeof(IconGroupEntry), 1, file))
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throw runtime_error("unable to read entry from file");
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int i = 1;
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DWORD size = FIX_ENDIAN_INT32(icon.meta.dwRawSize);
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if (size > 1048576) // magic numbers are great
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throw runtime_error("invalid icon file size");
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// Delete old icons
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while (re->UpdateResourceA(RT_ICON, MAKEINTRESOURCE(i++), NSIS_DEFAULT_LANG, 0, 0));
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DWORD iconOffset;
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for (i = 0; i < igh.wCount; i++) {
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fread(ige, sizeof(FileIconGroupEntry)-sizeof(DWORD), 1, f);
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DWORD dwRawSize = FIX_ENDIAN_INT32(ige->dwRawSize);
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ige->wRsrcId = FIX_ENDIAN_INT16(i + 1);
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DWORD dwOffset;
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fread(&dwOffset, sizeof(DWORD), 1, f);
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FIX_ENDIAN_INT32_INPLACE(dwOffset);
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if (!fread(&iconOffset, sizeof(DWORD), 1, file))
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throw runtime_error("unable to read offset from file");
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fpos_t pos;
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fgetpos(f, &pos);
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fgetpos(file, &pos);
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if (fseek(f, dwOffset, SEEK_SET)) {
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free(rsrcIconGroup);
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if (fseek(file, iconOffset, SEEK_SET))
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throw runtime_error("corrupted icon file, too small");
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}
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BYTE* iconData = (BYTE*)malloc(dwRawSize);
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if (!iconData) {
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free(rsrcIconGroup);
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throw bad_alloc();
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}
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fread(iconData, sizeof(BYTE), dwRawSize, f);
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re->UpdateResourceA(RT_ICON, MAKEINTRESOURCE(i+1), NSIS_DEFAULT_LANG, iconData, dwRawSize);
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free(iconData);
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fsetpos(f, &pos);
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icon.data = new BYTE[size];
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// Seems like the compiler refuses to increase the pointer by just 14.
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// If you'll replace this line by ige++ you will get unwanted results.
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ige = (RsrcIconGroupEntry*)((BYTE*)ige + SIZEOF_RSRC_ICON_GROUP_ENTRY);
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if (!fread(icon.data, size, 1, file))
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{
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free_loaded_icon(result);
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throw runtime_error("unable to read icon from file");
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}
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fsetpos(file, &pos);
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result.push_back(icon);
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}
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fclose(f);
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return result;
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}
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re->UpdateResourceA(RT_GROUP_ICON, MAKEINTRESOURCE(wIconId), NSIS_DEFAULT_LANG, rsrcIconGroup, sizeof(IconGroupHeader) + igh.wCount*SIZEOF_RSRC_ICON_GROUP_ENTRY);
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typedef struct
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{
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unsigned index1;
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unsigned index2;
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DWORD size;
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} IconPair;
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free(rsrcIconGroup);
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bool compare_icon(Icon a, Icon b)
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{
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return FIX_ENDIAN_INT32(a.meta.dwRawSize) > FIX_ENDIAN_INT32(b.meta.dwRawSize);
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}
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static IconGroup sort_icon(IconGroup icon)
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{
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IconGroup sorted = icon;
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sort(sorted.begin(), sorted.end(), compare_icon);
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return sorted;
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}
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static vector<IconPair> get_icon_order(IconGroup icon1, IconGroup icon2)
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{
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IconGroup sorted_icons1 = sort_icon(icon1);
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IconGroup sorted_icons2 = sort_icon(icon2);
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IconGroup::size_type shared_count = min(sorted_icons1.size(), sorted_icons2.size());
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IconGroup::size_type total_count = max(sorted_icons1.size(), sorted_icons2.size());
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vector<IconPair> result;
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IconGroup::size_type i;
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for (i = 0; i < shared_count; i++)
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{
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IconPair pair;
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pair.index1 = sorted_icons1[i].index;
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pair.index2 = sorted_icons2[i].index;
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pair.size = max(
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FIX_ENDIAN_INT32(sorted_icons1[i].meta.dwRawSize),
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FIX_ENDIAN_INT32(sorted_icons2[i].meta.dwRawSize)
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);
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result.push_back(pair);
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}
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for (; i < total_count; i++)
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{
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IconPair pair;
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if (i < sorted_icons1.size())
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{
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pair.index1 = sorted_icons1[i].index;
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pair.index2 = 0xffff;
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pair.size = FIX_ENDIAN_INT32(sorted_icons1[i].meta.dwRawSize);
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}
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if (i < sorted_icons2.size())
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{
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pair.index2 = sorted_icons2[i].index;
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pair.index1 = 0xffff;
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pair.size = FIX_ENDIAN_INT32(sorted_icons2[i].meta.dwRawSize);
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}
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result.push_back(pair);
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}
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return result;
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}
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static LPBYTE generate_icon_group(IconGroup icon, vector<IconPair> order, bool first)
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{
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LPBYTE group = new BYTE[
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sizeof(IconGroupHeader) // header
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+ order.size() * SIZEOF_RSRC_ICON_GROUP_ENTRY // entries
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];
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IconGroupHeader* header = (IconGroupHeader*) group;
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header->wReserved = 0;
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header->wIsIcon = FIX_ENDIAN_INT16(1);
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header->wCount = FIX_ENDIAN_INT16(icon.size());
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for (IconGroup::size_type i = 0; i < icon.size(); i++)
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{
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RsrcIconGroupEntry* entry = (RsrcIconGroupEntry*)
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&group[sizeof(IconGroupHeader) + SIZEOF_RSRC_ICON_GROUP_ENTRY * i];
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unsigned index = first ? order[i].index1 : order[i].index2;
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memcpy(&entry->header, &icon[index].meta, sizeof(IconGroupEntry));
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entry->wRsrcId = FIX_ENDIAN_INT16(i + 1);
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}
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return group;
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}
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// set_icon, must get an initialized resource editor
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void set_icon(CResourceEditor* re, WORD wIconId, IconGroup icon1, IconGroup icon2)
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{
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vector<IconPair> order = get_icon_order(icon1, icon2);
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// genreate group
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LPBYTE group1 = generate_icon_group(icon1, order, true);
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// set group
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size_t group_size = sizeof(IconGroupHeader) // header
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+ order.size() * SIZEOF_RSRC_ICON_GROUP_ENTRY; // entries
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re->UpdateResourceA(RT_GROUP_ICON, MAKEINTRESOURCE(wIconId), NSIS_DEFAULT_LANG, group1, group_size);
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// delete old icons
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unsigned i = 1;
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while (re->UpdateResourceA(RT_ICON, MAKEINTRESOURCE(i++), NSIS_DEFAULT_LANG, 0, 0));
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// set new icons
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IconGroup::size_type order_index;
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for (order_index = 0; order_index < order.size(); order_index++)
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{
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LPBYTE data = new BYTE[order[order_index].size];
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if (order_index < icon1.size())
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{
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Icon* icon = &icon1[order[order_index].index1];
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memcpy(data, icon->data, FIX_ENDIAN_INT32(icon->meta.dwRawSize));
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}
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re->UpdateResourceA(RT_ICON, MAKEINTRESOURCE(order_index + 1), NSIS_DEFAULT_LANG, data, order[order_index].size);
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delete [] data;
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}
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}
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#ifdef NSIS_CONFIG_UNINSTALL_SUPPORT
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// returns the data of the uninstaller icon that should replace the installer icon data
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unsigned char* generate_uninstall_icon_data(const char* filename, size_t &size)
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unsigned char* generate_uninstall_icon_data(IconGroup icon1, IconGroup icon2, size_t &data_size)
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{
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int i;
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IconGroup::size_type i;
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vector<IconPair> order = get_icon_order(icon1, icon2);
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IconGroupHeader igh;
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FILE *f = open_icon(filename, &igh);
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// genreate group
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LPBYTE group = generate_icon_group(icon2, order, false);
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int iNewIconSize = 0;
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FileIconGroupEntry ige;
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// calculate size
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size_t group_size = sizeof(IconGroupHeader) // header
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+ order.size() * SIZEOF_RSRC_ICON_GROUP_ENTRY; // entries
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DWORD* offsets = (DWORD*)malloc(sizeof(DWORD)*igh.wCount);
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DWORD* rawSizes = (DWORD*)malloc(sizeof(DWORD)*igh.wCount);
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if (!offsets || !rawSizes) throw bad_alloc();
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data_size = group_size // group header
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+ sizeof(DWORD) * 2 // offset and size of group header
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+ (sizeof(DWORD) * 2) * icon2.size() // offset and size per entry
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+ sizeof(DWORD); // terminator
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for (i = 0; i < igh.wCount; i++) {
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if (!fread(&ige, sizeof(FileIconGroupEntry), 1, f)) throw runtime_error("unable to read file");
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offsets[i] = ige.dwImageOffset;
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rawSizes[i] = ige.dwRawSize;
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iNewIconSize += FIX_ENDIAN_INT32(ige.dwRawSize);
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for (i = 0; i < icon2.size(); i++)
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{
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// add icon sizes
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data_size += FIX_ENDIAN_INT32(icon2[i].meta.dwRawSize);
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}
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// Before each icon come two DWORDs, one for size and the other for offset (set later)
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// The last size is 0, no offset
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iNewIconSize += sizeof(DWORD)*(1 + igh.wCount*2);
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// allocate memory
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LPBYTE uninst_data = new BYTE[data_size];
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LPBYTE seeker = uninst_data;
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BYTE* pbUninstIcon = (BYTE*)malloc(iNewIconSize);
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if (!pbUninstIcon) throw bad_alloc();
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// fill group header
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*(LPDWORD) seeker = FIX_ENDIAN_INT32(group_size);
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seeker += sizeof(DWORD);
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*(LPDWORD) seeker = 0;
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seeker += sizeof(DWORD);
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BYTE* seeker = pbUninstIcon;
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memcpy(seeker, group, group_size);
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seeker += group_size;
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for (i = 0; i < igh.wCount; i++) {
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*(DWORD*)seeker = rawSizes[i];
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// fill entries
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for (i = 0; i < icon2.size(); i++)
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{
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Icon* icon = &icon2[order[i].index2];
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DWORD size = FIX_ENDIAN_INT32(icon->meta.dwRawSize);
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*(LPDWORD) seeker = FIX_ENDIAN_INT32(size);
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seeker += sizeof(DWORD);
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*(DWORD*)seeker = 0;
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*(LPDWORD) seeker = 0;
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seeker += sizeof(DWORD);
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fseek(f, FIX_ENDIAN_INT32(offsets[i]), SEEK_SET);
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fread(seeker, 1, FIX_ENDIAN_INT32(rawSizes[i]), f);
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seeker += FIX_ENDIAN_INT32(rawSizes[i]);
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memcpy(seeker, icon->data, size);
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seeker += size;
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}
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// This is how we know there are no more icons (size = 0)
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*(DWORD*)seeker = 0;
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// add terminator
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*(LPDWORD) seeker = 0;
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free(offsets);
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free(rawSizes);
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size = iNewIconSize;
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return pbUninstIcon;
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}
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// Added by Amir Szekely 11th July 2002
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#define MY_ASSERT(x, y) if (x) {if (g_display_errors) fprintf(g_output,"\nError finding icon resources: %s -- failing!\n", y);return 0;}
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int find_in_dir(PRESOURCE_DIRECTORY rd, WORD id) {
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WORD i = FIX_ENDIAN_INT16(rd->Header.NumberOfNamedEntries);
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WORD l = i + FIX_ENDIAN_INT16(rd->Header.NumberOfIdEntries);
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for (; i < l; i++) {
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if (FIX_ENDIAN_INT16(rd->Entries[i].UName.Id) == id) {
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return i;
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}
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}
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return -1;
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// done
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return uninst_data;
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}
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// Fill the array of icons for uninstall with their offsets
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// Returns zero on failure
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int generate_unicons_offsets(unsigned char* exeHeader, size_t exeHeaderSize, unsigned char* uninstIconData) {
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DWORD dwResourceSectionVA;
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int generate_unicons_offsets(LPBYTE exeHeader, size_t exeHeaderSize, LPBYTE uninstIconData, WORD wIconId) {
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try
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{
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DWORD offset;
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DWORD size;
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PIMAGE_NT_HEADERS ntHeaders = CResourceEditor::GetNTHeaders(exeHeader);
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PRESOURCE_DIRECTORY rdRoot = CResourceEditor::GetResourceDirectory(exeHeader, exeHeaderSize, ntHeaders, &dwResourceSectionVA);
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CResourceEditor re(exeHeader, exeHeaderSize);
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int idx = find_in_dir(rdRoot, (WORD) (long) RT_ICON);
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MY_ASSERT(idx < 0, "no icons found");
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MY_IMAGE_RESOURCE_DIRECTORY_ENTRY rdEntry = rdRoot->Entries[idx];
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FIX_ENDIAN_INT32_INPLACE(rdEntry.UOffset.OffsetToData);
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MY_ASSERT(!rdEntry.UOffset.DirectoryOffset.DataIsDirectory, "bad resource directory");
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PRESOURCE_DIRECTORY rdIcons = PRESOURCE_DIRECTORY(rdEntry.UOffset.DirectoryOffset.OffsetToDirectory + DWORD(rdRoot));
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MY_ASSERT((size_t)rdIcons - (size_t)exeHeader > exeHeaderSize, "corrupted EXE - invalid pointer");
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WORD wNumberOfEntries = FIX_ENDIAN_INT16(rdIcons->Header.NumberOfIdEntries);
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MY_ASSERT(wNumberOfEntries == 0, "no icons found");
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for (WORD i = 0; i < wNumberOfEntries; i++) { // Icons dir can't have named entries
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MY_IMAGE_RESOURCE_DIRECTORY_ENTRY icoEntry = rdIcons->Entries[i];
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FIX_ENDIAN_INT32_INPLACE(icoEntry.UOffset.OffsetToData);
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MY_ASSERT(!icoEntry.UOffset.DirectoryOffset.DataIsDirectory, "bad resource directory");
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PRESOURCE_DIRECTORY rd = PRESOURCE_DIRECTORY(icoEntry.UOffset.DirectoryOffset.OffsetToDirectory + DWORD(rdRoot));
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MY_ASSERT((size_t)rd - (size_t)exeHeader > exeHeaderSize, "corrupted EXE - invalid pointer");
|
||||
|
||||
MY_IMAGE_RESOURCE_DIRECTORY_ENTRY datEntry = rd->Entries[0];
|
||||
FIX_ENDIAN_INT32_INPLACE(datEntry.UOffset.OffsetToData);
|
||||
|
||||
MY_ASSERT(datEntry.UOffset.DirectoryOffset.DataIsDirectory, "bad resource directory");
|
||||
|
||||
PIMAGE_RESOURCE_DATA_ENTRY rde = PIMAGE_RESOURCE_DATA_ENTRY(datEntry.UOffset.OffsetToData + DWORD(rdRoot));
|
||||
|
||||
MY_ASSERT((size_t)rde - (size_t)exeHeader > exeHeaderSize, "corrupted EXE - invalid pointer");
|
||||
|
||||
// find icon to replace
|
||||
LPBYTE seeker = uninstIconData;
|
||||
while (*seeker) {
|
||||
DWORD dwSize = *(DWORD*)seeker;
|
||||
|
||||
offset = re.GetResourceOffsetA(RT_GROUP_ICON, MAKEINTRESOURCE(wIconId), NSIS_DEFAULT_LANG);
|
||||
|
||||
size = *(LPDWORD)seeker;
|
||||
seeker += sizeof(DWORD);
|
||||
*(LPDWORD) seeker = offset;
|
||||
seeker += sizeof(DWORD);
|
||||
|
||||
seeker += FIX_ENDIAN_INT32(size);
|
||||
|
||||
WORD icon_index = 1;
|
||||
|
||||
while (*(LPDWORD)seeker)
|
||||
{
|
||||
offset = re.GetResourceOffsetA(RT_ICON, MAKEINTRESOURCE(icon_index), NSIS_DEFAULT_LANG);
|
||||
|
||||
size = *(LPDWORD)seeker;
|
||||
seeker += sizeof(DWORD);
|
||||
*(LPDWORD) seeker = offset;
|
||||
seeker += sizeof(DWORD);
|
||||
DWORD dwOffset = *(DWORD*)seeker;
|
||||
// if we haven't set the offset yet and the size is the same, it's a match
|
||||
if (!dwOffset && dwSize == rde->Size)
|
||||
break;
|
||||
|
||||
seeker += FIX_ENDIAN_INT32(dwSize) + sizeof(DWORD);
|
||||
seeker += FIX_ENDIAN_INT32(size);
|
||||
|
||||
// reached the end of the list and no match
|
||||
MY_ASSERT(!*seeker, "installer, uninstaller icon size mismatch - see the Icon instruction's documentation for more information");
|
||||
icon_index++;
|
||||
}
|
||||
|
||||
// Set offset
|
||||
DWORD dwOffset = FIX_ENDIAN_INT32(rde->OffsetToData) + DWORD(rdRoot) - dwResourceSectionVA - DWORD(exeHeader);
|
||||
*(LPDWORD) seeker = FIX_ENDIAN_INT32(dwOffset);
|
||||
|
||||
MY_ASSERT(dwOffset > exeHeaderSize || dwOffset < (DWORD)rdRoot - (DWORD)exeHeader, "invalid data offset - icon resource probably compressed");
|
||||
}
|
||||
|
||||
LPBYTE seeker = uninstIconData;
|
||||
while (*seeker) {
|
||||
DWORD dwSize = *(DWORD*)seeker;
|
||||
seeker += sizeof(DWORD);
|
||||
DWORD dwOffset = *(DWORD*)seeker;
|
||||
seeker += sizeof(DWORD);
|
||||
// offset isn't set which means we found no match for this one
|
||||
MY_ASSERT(!dwOffset, "installer, uninstaller number of icons doesn't match - see the Icon instruction's documentation for more information");
|
||||
seeker += FIX_ENDIAN_INT32(dwSize);
|
||||
catch (const exception& e)
|
||||
{
|
||||
if (g_display_errors)
|
||||
fprintf(g_output, "\nError generating uninstaller icon: %s -- failing!\n", e.what());
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue