Fix for bug #1506591: HE71-73: Fails to load mouse data (Endian issue?)

svn-id: r25492
This commit is contained in:
Max Horn
2007-02-11 18:07:19 +00:00
parent 986ff06af9
commit 534bfddd06
2 changed files with 91 additions and 97 deletions
+88 -63
View File
@@ -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);
+3 -34
View File
@@ -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 {