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-rw-r--r--engines/scumm/he/resource_he.cpp151
-rw-r--r--engines/scumm/he/resource_he.h37
2 files changed, 91 insertions, 97 deletions
diff --git a/engines/scumm/he/resource_he.cpp b/engines/scumm/he/resource_he.cpp
index de566ac928..4b7bfa4a42 100644
--- a/engines/scumm/he/resource_he.cpp
+++ b/engines/scumm/he/resource_he.cpp
@@ -40,6 +40,10 @@
namespace Scumm {
+#define LE16(x) ((x) = TO_LE_16(x))
+#define LE32(x) ((x) = TO_LE_32(x))
+
+
ResExtractor::ResExtractor(ScummEngine_v70he *scumm)
: _vm(scumm) {
@@ -353,7 +357,7 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
/* calculate total size of output file */
RETURN_IF_BAD_POINTER(NULL, icondir->count);
skipped = 0;
- for (c = 0 ; c < icondir->count ; c++) {
+ for (c = 0 ; c < FROM_LE_16(icondir->count) ; c++) {
int level;
int iconsize;
char name[14];
@@ -361,14 +365,14 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
RETURN_IF_BAD_POINTER(NULL, icondir->entries[c]);
/*printf("%d. bytes_in_res=%d width=%d height=%d planes=%d bit_count=%d\n", c,
- icondir->entries[c].bytes_in_res,
- (is_icon ? icondir->entries[c].res_info.icon.width : icondir->entries[c].res_info.cursor.width),
- (is_icon ? icondir->entries[c].res_info.icon.height : icondir->entries[c].res_info.cursor.height),
- icondir->entries[c].plane_count,
- icondir->entries[c].bit_count);*/
+ FROM_LE_32(icondir->entries[c].bytes_in_res),
+ (is_icon ? icondir->entries[c].res_info.icon.width : FROM_LE_16(icondir->entries[c].res_info.cursor.width)),
+ (is_icon ? icondir->entries[c].res_info.icon.height : FROM_LE_16(icondir->entries[c].res_info.cursor.height)),
+ FROM_LE_16(icondir->entries[c].plane_count),
+ FROM_LE_16(icondir->entries[c].bit_count));*/
/* find the corresponding icon resource */
- snprintf(name, sizeof(name)/sizeof(char), "-%d", icondir->entries[c].res_id);
+ snprintf(name, sizeof(name)/sizeof(char), "-%d", FROM_LE_16(icondir->entries[c].res_id));
fwr = find_resource(fi, (is_icon ? "-3" : "-1"), name, lang, &level);
if (fwr == NULL) {
error("%s: could not find `%s' in `%s' resource.",
@@ -382,11 +386,11 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
skipped++;
continue;
}
- if ((uint32)iconsize != icondir->entries[c].bytes_in_res) {
+ if ((uint32)iconsize != FROM_LE_32(icondir->entries[c].bytes_in_res)) {
debugC(DEBUG_RESOURCE, "%s: mismatch of size in icon resource `%s' and group (%d != %d)",
- fi->file->name(), name, iconsize, icondir->entries[c].bytes_in_res);
+ fi->file->name(), name, iconsize, FROM_LE_32(icondir->entries[c].bytes_in_res));
}
- size += iconsize; /* size += icondir->entries[c].bytes_in_res; */
+ size += iconsize; /* size += FROM_LE_32(icondir->entries[c].bytes_in_res); */
/* cursor resources have two additional WORDs that contain
* hotspot info */
@@ -394,7 +398,7 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
size -= sizeof(uint16)*2;
}
}
- offset = sizeof(Win32CursorIconFileDir) + (icondir->count-skipped) * sizeof(Win32CursorIconFileDirEntry);
+ offset = sizeof(Win32CursorIconFileDir) + (FROM_LE_16(icondir->count)-skipped) * sizeof(Win32CursorIconFileDirEntry);
size += offset;
*ressize = size;
@@ -405,18 +409,18 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
/* transfer Win32CursorIconDir structure members */
fileicondir->reserved = icondir->reserved;
fileicondir->type = icondir->type;
- fileicondir->count = icondir->count - skipped;
+ fileicondir->count = TO_LE_16(FROM_LE_16(icondir->count) - skipped);
/* transfer each cursor/icon: Win32CursorIconDirEntry and data */
skipped = 0;
- for (c = 0 ; c < icondir->count ; c++) {
+ for (c = 0 ; c < FROM_LE_16(icondir->count) ; c++) {
int level;
char name[14];
WinResource *fwr;
byte *data;
/* find the corresponding icon resource */
- snprintf(name, sizeof(name)/sizeof(char), "-%d", icondir->entries[c].res_id);
+ snprintf(name, sizeof(name)/sizeof(char), "-%d", FROM_LE_16(icondir->entries[c].res_id));
fwr = find_resource(fi, (is_icon ? "-3" : "-1"), name, lang, &level);
if (fwr == NULL) {
error("%s: could not find `%s' in `%s' resource.",
@@ -430,7 +434,7 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
/* get_resource_entry has printed error */
return NULL;
}
- if (size == 0) {
+ if (size == 0) {
skipped++;
continue;
}
@@ -442,27 +446,27 @@ byte *Win32ResExtractor::extract_group_icon_cursor_resource(WinLibrary *fi, WinR
/* special treatment for cursors */
if (!is_icon) {
fileicondir->entries[c-skipped].width = icondir->entries[c].res_info.cursor.width;
- fileicondir->entries[c-skipped].height = icondir->entries[c].res_info.cursor.height / 2;
+ fileicondir->entries[c-skipped].height = TO_LE_16(FROM_LE_16(icondir->entries[c].res_info.cursor.height) / 2);
fileicondir->entries[c-skipped].color_count = 0;
fileicondir->entries[c-skipped].reserved = 0;
}
/* set image offset and increase it */
- fileicondir->entries[c-skipped].dib_offset = offset;
+ fileicondir->entries[c-skipped].dib_offset = TO_LE_32(offset);
/* transfer resource into file memory */
if (is_icon) {
- memcpy(&memory[offset], data, icondir->entries[c].bytes_in_res);
+ memcpy(&memory[offset], data, FROM_LE_32(icondir->entries[c].bytes_in_res));
} else {
fileicondir->entries[c-skipped].hotspot_x = ((uint16 *) data)[0];
fileicondir->entries[c-skipped].hotspot_y = ((uint16 *) data)[1];
memcpy(&memory[offset], data+sizeof(uint16)*2,
- icondir->entries[c].bytes_in_res-sizeof(uint16)*2);
+ FROM_LE_32(icondir->entries[c].bytes_in_res)-sizeof(uint16)*2);
offset -= sizeof(uint16)*2;
}
/* increase the offset pointer */
- offset += icondir->entries[c].bytes_in_res;
+ offset += FROM_LE_32(icondir->entries[c].bytes_in_res);
}
return memory;
@@ -579,49 +583,55 @@ bool Win32ResExtractor::decode_pe_resource_id(WinLibrary *fi, WinResource *wr, u
/* copy each char of the string, and terminate it */
RETURN_IF_BAD_POINTER(false, *mem);
- len = mem[0];
+ len = FROM_LE_16(mem[0]);
RETURN_IF_BAD_OFFSET(false, &mem[1], sizeof(uint16) * len);
- len = MIN(mem[0], (uint16)WINRES_ID_MAXLEN);
+ len = MIN(FROM_LE_16(mem[0]), (uint16)WINRES_ID_MAXLEN);
for (c = 0 ; c < len ; c++)
- wr->id[c] = mem[c+1] & 0x00FF;
+ wr->id[c] = FROM_LE_16(mem[c+1]) & 0x00FF;
wr->id[len] = '\0';
+ wr->numeric_id = false;
} else { /* Unicode string id */
/* translate id into a string */
snprintf(wr->id, WINRES_ID_MAXLEN, "%d", value);
+ wr->numeric_id = true;
}
- wr->numeric_id = (value & IMAGE_RESOURCE_NAME_IS_STRING ? false:true);
return true;
}
byte *Win32ResExtractor::get_resource_entry(WinLibrary *fi, WinResource *wr, int *size) {
+ byte *result;
+
if (fi->is_PE_binary) {
Win32ImageResourceDataEntry *dataent;
dataent = (Win32ImageResourceDataEntry *) wr->children;
RETURN_IF_BAD_POINTER(NULL, *dataent);
- *size = dataent->size;
- RETURN_IF_BAD_OFFSET(NULL, fi->memory + dataent->offset_to_data, *size);
+ *size = FROM_LE_32(dataent->size);
- return fi->memory + dataent->offset_to_data;
+ result = fi->memory + FROM_LE_32(dataent->offset_to_data);
} else {
Win16NENameInfo *nameinfo;
int sizeshift;
nameinfo = (Win16NENameInfo *) wr->children;
sizeshift = *((uint16 *) fi->first_resource - 1);
- *size = nameinfo->length << sizeshift;
- RETURN_IF_BAD_OFFSET(NULL, fi->memory + (nameinfo->offset << sizeshift), *size);
+ *size = FROM_LE_16(nameinfo->length) << sizeshift;
- return fi->memory + (nameinfo->offset << sizeshift);
+ result = fi->memory + (FROM_LE_16(nameinfo->offset) << sizeshift);
}
+
+ RETURN_IF_BAD_OFFSET(NULL, result, *size);
+
+ return result;
}
bool Win32ResExtractor::decode_ne_resource_id(WinLibrary *fi, WinResource *wr, uint16 value) {
if (value & NE_RESOURCE_NAME_IS_NUMERIC) { /* numeric id */
/* translate id into a string */
snprintf(wr->id, WINRES_ID_MAXLEN, "%d", value & ~NE_RESOURCE_NAME_IS_NUMERIC);
+ wr->numeric_id = true;
} else { /* ASCII string id */
int len;
char *mem = (char *)NE_HEADER(fi->memory)
@@ -630,13 +640,13 @@ bool Win32ResExtractor::decode_ne_resource_id(WinLibrary *fi, WinResource *wr, u
/* copy each char of the string, and terminate it */
RETURN_IF_BAD_POINTER(false, *mem);
- len = mem[0];
+ len = FROM_LE_16(mem[0]);
RETURN_IF_BAD_OFFSET(false, &mem[1], sizeof(char) * len);
memcpy(wr->id, &mem[1], len);
wr->id[len] = '\0';
+ wr->numeric_id = false;
}
- wr->numeric_id = (value & NE_RESOURCE_NAME_IS_NUMERIC ? true:false);
return true;
}
@@ -648,7 +658,7 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_pe_resources(WinLibrary
/* count number of `type' resources */
RETURN_IF_BAD_POINTER(NULL, *dirent);
- rescnt = pe_res->number_of_named_entries + pe_res->number_of_id_entries;
+ rescnt = FROM_LE_16(pe_res->number_of_named_entries) + FROM_LE_16(pe_res->number_of_id_entries);
*count = rescnt;
/* allocate WinResource's */
@@ -659,11 +669,11 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_pe_resources(WinLibrary
RETURN_IF_BAD_POINTER(NULL, dirent[c]);
wr[c].this_ = pe_res;
wr[c].level = level;
- wr[c].is_directory = (dirent[c].u2.s.data_is_directory);
- wr[c].children = fi->first_resource + dirent[c].u2.s.offset_to_directory;
+ wr[c].is_directory = (FROM_LE_32(dirent[c].offset_to_data) & IMAGE_RESOURCE_DATA_IS_DIRECTORY);
+ wr[c].children = fi->first_resource + (FROM_LE_32(dirent[c].offset_to_data) & ~IMAGE_RESOURCE_DATA_IS_DIRECTORY);
/* fill in wr->id, wr->numeric_id */
- if (!decode_pe_resource_id (fi, wr + c, dirent[c].u1.name))
+ if (!decode_pe_resource_id(fi, wr + c, FROM_LE_32(dirent[c].name)))
return NULL;
}
@@ -678,7 +688,7 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_ne_name_resources(WinLib
/* count number of `type' resources */
RETURN_IF_BAD_POINTER(NULL, typeinfo->count);
- *count = rescnt = typeinfo->count;
+ *count = rescnt = FROM_LE_16(typeinfo->count);
/* allocate WinResource's */
wr = (WinResource *)malloc(sizeof(WinResource) * rescnt);
@@ -692,7 +702,7 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_ne_name_resources(WinLib
wr[c].level = 1;
/* fill in wr->id, wr->numeric_id */
- if (!decode_ne_resource_id(fi, wr + c, (nameinfo+c)->id))
+ if (!decode_ne_resource_id(fi, wr + c, FROM_LE_16(nameinfo[c].id)))
return NULL;
}
@@ -725,7 +735,7 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_ne_type_resources(WinLib
wr[c].level = 0;
/* fill in wr->id, wr->numeric_id */
- if (!decode_ne_resource_id(fi, wr + c, typeinfo->type_id))
+ if (!decode_ne_resource_id(fi, wr + c, FROM_LE_16(typeinfo->type_id)))
return NULL;
typeinfo = NE_TYPEINFO_NEXT(typeinfo);
@@ -762,10 +772,15 @@ Win32ResExtractor::WinResource *Win32ResExtractor::list_resources(WinLibrary *fi
bool Win32ResExtractor::read_library(WinLibrary *fi) {
/* check for DOS header signature `MZ' */
RETURN_IF_BAD_POINTER(false, MZ_HEADER(fi->memory)->magic);
- if (MZ_HEADER(fi->memory)->magic == IMAGE_DOS_SIGNATURE) {
+ if (FROM_LE_16(MZ_HEADER(fi->memory)->magic) == IMAGE_DOS_SIGNATURE) {
DOSImageHeader *mz_header = MZ_HEADER(fi->memory);
RETURN_IF_BAD_POINTER(false, mz_header->lfanew);
+
+ // Apply endian fix (currently only lfanew is used from the DOSImageHeader,
+ // so we don't bother to 'fix' the rest).
+ LE32(mz_header->lfanew);
+
if (mz_header->lfanew < sizeof(DOSImageHeader)) {
error("%s: not a Windows library", fi->file->name());
return false;
@@ -774,16 +789,20 @@ bool Win32ResExtractor::read_library(WinLibrary *fi) {
/* check for OS2 (Win16) header signature `NE' */
RETURN_IF_BAD_POINTER(false, NE_HEADER(fi->memory)->magic);
- if (NE_HEADER(fi->memory)->magic == IMAGE_OS2_SIGNATURE) {
+ if (FROM_LE_16(NE_HEADER(fi->memory)->magic) == IMAGE_OS2_SIGNATURE) {
OS2ImageHeader *header = NE_HEADER(fi->memory);
RETURN_IF_BAD_POINTER(false, header->rsrctab);
RETURN_IF_BAD_POINTER(false, header->restab);
- if (header->rsrctab >= header->restab) {
+
+ if (FROM_LE_16(header->rsrctab) >= FROM_LE_16(header->restab)) {
error("%s: no resource directory found", fi->file->name());
return false;
}
+ // Apply endian fix
+ fix_os2_image_header_endian(header);
+
fi->is_PE_binary = false;
fi->first_resource = (byte *) NE_HEADER(fi->memory)
+ header->rsrctab + sizeof(uint16);
@@ -794,12 +813,13 @@ bool Win32ResExtractor::read_library(WinLibrary *fi) {
/* check for NT header signature `PE' */
RETURN_IF_BAD_POINTER(false, PE_HEADER(fi->memory)->signature);
- if (PE_HEADER(fi->memory)->signature == IMAGE_NT_SIGNATURE) {
- Win32ImageSectionHeader *pe_sec;
- Win32ImageDataDirectory *dir;
+ if (FROM_LE_32(PE_HEADER(fi->memory)->signature) == IMAGE_NT_SIGNATURE) {
Win32ImageNTHeaders *pe_header;
int d;
+ // Fix image header endianess
+ fix_win32_image_header_endian(PE_HEADER(fi->memory));
+
/* allocate new memory */
fi->total_size = calc_vma_size(fi);
if (fi->total_size == 0) {
@@ -815,29 +835,31 @@ bool Win32ResExtractor::read_library(WinLibrary *fi) {
/* we don't need to do OFFSET checking for the sections.
* calc_vma_size has already done that */
for (d = pe_header->file_header.number_of_sections - 1; d >= 0 ; d--) {
- pe_sec = PE_SECTIONS(fi->memory) + d;
+ Win32ImageSectionHeader *pe_sec = PE_SECTIONS(fi->memory) + d;
- if (pe_sec->characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
- continue;
+ if (pe_sec->characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ continue;
- //if (pe_sec->virtual_address + pe_sec->size_of_raw_data > fi->total_size)
+ //if (pe_sec->virtual_address + pe_sec->size_of_raw_data > fi->total_size)
- RETURN_IF_BAD_OFFSET(0, fi->memory + pe_sec->virtual_address, pe_sec->size_of_raw_data);
- RETURN_IF_BAD_OFFSET(0, fi->memory + pe_sec->pointer_to_raw_data, pe_sec->size_of_raw_data);
- if (pe_sec->virtual_address != pe_sec->pointer_to_raw_data) {
- memmove(fi->memory + pe_sec->virtual_address,
- fi->memory + pe_sec->pointer_to_raw_data,
- pe_sec->size_of_raw_data);
+ RETURN_IF_BAD_OFFSET(0, fi->memory + pe_sec->virtual_address, pe_sec->size_of_raw_data);
+ RETURN_IF_BAD_OFFSET(0, fi->memory + pe_sec->pointer_to_raw_data, pe_sec->size_of_raw_data);
+ if (FROM_LE_32(pe_sec->virtual_address) != pe_sec->pointer_to_raw_data) {
+ memmove(fi->memory + pe_sec->virtual_address,
+ fi->memory + pe_sec->pointer_to_raw_data,
+ pe_sec->size_of_raw_data);
}
}
/* find resource directory */
RETURN_IF_BAD_POINTER(false, pe_header->optional_header.data_directory[IMAGE_DIRECTORY_ENTRY_RESOURCE]);
- dir = pe_header->optional_header.data_directory + IMAGE_DIRECTORY_ENTRY_RESOURCE;
+ Win32ImageDataDirectory *dir = pe_header->optional_header.data_directory + IMAGE_DIRECTORY_ENTRY_RESOURCE;
if (dir->size == 0) {
error("%s: file contains no resources", fi->file->name());
return false;
}
+
+ fix_win32_image_data_directory(dir);
fi->first_resource = fi->memory + dir->virtual_address;
fi->is_PE_binary = true;
@@ -872,11 +894,12 @@ int Win32ResExtractor::calc_vma_size(WinLibrary *fi) {
RETURN_IF_BAD_POINTER(-1, *seg);
for (c = 0 ; c < segcount ; c++) {
RETURN_IF_BAD_POINTER(0, *seg);
+ fix_win32_image_section_header(seg);
- size = MAX((uint32)size, seg->virtual_address + seg->size_of_raw_data);
+ size = MAX((uint32)size, seg->virtual_address + seg->size_of_raw_data);
/* I have no idea what misc.virtual_size is for... */
- size = MAX((uint32)size, seg->virtual_address + seg->misc.virtual_size);
- seg++;
+ size = MAX((uint32)size, seg->virtual_address + seg->misc.virtual_size);
+ seg++;
}
return size;
@@ -1113,7 +1136,7 @@ int Win32ResExtractor::convertIcons(byte *data, int datasize, byte **cursor, int
goto cleanup;
} else {
if (entries[c].dib_offset > offset)
- min_offset = MIN(min_offset, entries[c].dib_offset);
+ min_offset = MIN(min_offset, entries[c].dib_offset);
}
}
@@ -1122,6 +1145,7 @@ int Win32ResExtractor::convertIcons(byte *data, int datasize, byte **cursor, int
error("offset of bitmap header incorrect (too low)");
goto cleanup;
}
+ assert(min_offset != 0x7fffffff);
debugC(DEBUG_RESOURCE, "skipping %d bytes of garbage at %d", min_offset-offset, offset);
in->seek(min_offset - offset, SEEK_CUR);
offset = min_offset;
@@ -1158,9 +1182,6 @@ uint32 Win32ResExtractor::simple_vec(byte *data, uint32 ofs, byte size) {
return 0;
}
-#define LE16(x) ((x) = TO_LE_16(x))
-#define LE32(x) ((x) = TO_LE_32(x))
-
void Win32ResExtractor::fix_win32_cursor_icon_file_dir_endian(Win32CursorIconFileDir *obj) {
LE16(obj->reserved);
LE16(obj->type);
@@ -1241,6 +1262,10 @@ void Win32ResExtractor::fix_win32_image_header_endian(Win32ImageNTHeaders *obj)
LE32(obj->file_header.number_of_symbols);
LE16(obj->file_header.size_of_optional_header);
LE16(obj->file_header.characteristics);
+
+ // FIXME: Does this assert ever trigger? If so, we should modify this function
+ // to properly deal with it.
+ assert(obj->file_header.size_of_optional_header >= sizeof(obj->optional_header));
LE16(obj->optional_header.magic);
LE32(obj->optional_header.size_of_code);
LE32(obj->optional_header.size_of_initialized_data);
diff --git a/engines/scumm/he/resource_he.h b/engines/scumm/he/resource_he.h
index 768e7b1fff..01faae5c63 100644
--- a/engines/scumm/he/resource_he.h
+++ b/engines/scumm/he/resource_he.h
@@ -44,7 +44,7 @@ namespace Scumm {
#define MZ_HEADER(x) ((DOSImageHeader *)(x))
#define NE_HEADER(x) ((OS2ImageHeader *)PE_HEADER(x))
#define NE_TYPEINFO_NEXT(x) ((Win16NETypeInfo *)((byte *)(x) + sizeof(Win16NETypeInfo) + \
- ((Win16NETypeInfo *)x)->count * sizeof(Win16NENameInfo)))
+ FROM_LE_16(((Win16NETypeInfo *)x)->count) * sizeof(Win16NENameInfo)))
#define NE_RESOURCE_NAME_IS_NUMERIC (0x8000)
#define STRIP_RES_ID_FORMAT(x) (x != NULL && (x[0] == '-' || x[0] == '+') ? ++x : x)
@@ -264,39 +264,8 @@ class Win32ResExtractor : public ResExtractor {
};
struct Win32ImageResourceDirectoryEntry {
- union {
- struct {
- #ifdef SCUMM_BIGENDIAN
- unsigned name_is_string:1;
- unsigned name_offset:31;
- #else
- unsigned name_offset:31;
- unsigned name_is_string:1;
- #endif
- } s1;
- uint32 name;
- struct {
- #ifdef SCUMM_BIG_ENDIAN
- uint16 __pad;
- uint16 id;
- #else
- uint16 id;
- uint16 __pad;
- #endif
- } s2;
- } u1;
- union {
- uint32 offset_to_data;
- struct {
- #ifdef SCUMM_BIG_ENDIAN
- unsigned data_is_directory:1;
- unsigned offset_to_directory:31;
- #else
- unsigned offset_to_directory:31;
- unsigned data_is_directory:1;
- #endif
- } s;
- } u2;
+ uint32 name;
+ uint32 offset_to_data;
};
struct Win16NETypeInfo {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 18:57:33 +0000