void displayFolder(HFSCatalogNodeID folderID, Volume* volume) {
CatalogRecordList* list;
CatalogRecordList* theList;
HFSPlusCatalogFolder* folder;
HFSPlusCatalogFile* file;
time_t fileTime;
struct tm *date;
HFSPlusDecmpfs* compressData;
size_t attrSize;
theList = list = getFolderContents(folderID, volume);
while(list != NULL) {
if(list->record->recordType == kHFSPlusFolderRecord) {
folder = (HFSPlusCatalogFolder*)list->record;
printf("%06o ", folder->permissions.fileMode);
printf("%3d ", folder->permissions.ownerID);
printf("%3d ", folder->permissions.groupID);
printf("%12d ", folder->valence);
fileTime = APPLE_TO_UNIX_TIME(folder->contentModDate);
} else if(list->record->recordType == kHFSPlusFileRecord) {
file = (HFSPlusCatalogFile*)list->record;
printf("%06o ", file->permissions.fileMode);
printf("%3d ", file->permissions.ownerID);
printf("%3d ", file->permissions.groupID);
if(file->permissions.ownerFlags & UF_COMPRESSED) {
attrSize = getAttribute(volume, file->fileID, "com.apple.decmpfs", (uint8_t**)(&compressData));
flipHFSPlusDecmpfs(compressData);
printf("%12" PRId64 " ", compressData->size);
free(compressData);
} else {
printf("%12" PRId64 " ", file->dataFork.logicalSize);
}
fileTime = APPLE_TO_UNIX_TIME(file->contentModDate);
}
date = localtime(&fileTime);
if(date != NULL) {
printf("%2d/%2d/%4d %02d:%02d ", date->tm_mon, date->tm_mday, date->tm_year + 1900, date->tm_hour, date->tm_min);
} else {
printf(" ");
}
printUnicode(&list->name);
printf("\n");
list = list->next;
}
releaseCatalogRecordList(theList);
}
void displayFileLSLine(Volume* volume, HFSPlusCatalogFile* file, const char* name) {
time_t fileTime;
struct tm *date;
HFSPlusDecmpfs* compressData;
printf("%06o ", file->permissions.fileMode);
printf("%3d ", file->permissions.ownerID);
printf("%3d ", file->permissions.groupID);
if(file->permissions.ownerFlags & UF_COMPRESSED) {
getAttribute(volume, file->fileID, "com.apple.decmpfs", (uint8_t**)(&compressData));
flipHFSPlusDecmpfs(compressData);
printf("%12" PRId64 " ", compressData->size);
free(compressData);
} else {
printf("%12" PRId64 " ", file->dataFork.logicalSize);
}
fileTime = APPLE_TO_UNIX_TIME(file->contentModDate);
date = localtime(&fileTime);
if(date != NULL) {
printf("%2d/%2d/%4d %2d:%02d ", date->tm_mon, date->tm_mday, date->tm_year + 1900, date->tm_hour, date->tm_min);
} else {
printf(" ");
}
printf("%s\n", name);
XAttrList* next;
XAttrList* attrs = getAllExtendedAttributes(file->fileID, volume);
if(attrs != NULL) {
printf("Extended attributes\n");
while(attrs != NULL) {
next = attrs->next;
printf("\t%s\n", attrs->name);
free(attrs->name);
free(attrs);
attrs = next;
}
}
}
io_func* openHFSPlusCompressed(Volume* volume, HFSPlusCatalogFile* file) {
io_func* io;
HFSPlusCompressed* data;
uLongf actualSize;
io = (io_func*) malloc(sizeof(io_func));
data = (HFSPlusCompressed*) malloc(sizeof(HFSPlusCompressed));
data->volume = volume;
data->file = file;
io->data = data;
io->read = &compressedRead;
io->write = &compressedWrite;
io->close = &closeHFSPlusCompressed;
data->cached = NULL;
data->cachedStart = 0;
data->cachedEnd = 0;
data->io = NULL;
data->blocks = NULL;
data->dirty = FALSE;
data->decmpfsSize = getAttribute(volume, file->fileID, "com.apple.decmpfs", (uint8_t**)(&data->decmpfs));
if(data->decmpfsSize == 0) {
data->decmpfs = (HFSPlusDecmpfs*) malloc(0x1000);
data->decmpfs->size = 0;
return io; // previously not compressed file
}
flipHFSPlusDecmpfs(data->decmpfs);
if(data->decmpfs->flags == 0x3) {
data->cached = (uint8_t*) malloc(data->decmpfs->size);
actualSize = data->decmpfs->size;
uncompress(data->cached, &actualSize, data->decmpfs->data, data->decmpfsSize - sizeof(HFSPlusDecmpfs));
if(actualSize != data->decmpfs->size) {
fprintf(stderr, "decmpfs: size mismatch\n");
}
data->cachedStart = 0;
data->cachedEnd = actualSize;
} else {
data->io = openRawFile(file->fileID, &file->resourceFork, (HFSPlusCatalogRecord*)file, volume);
if(!data->io) {
hfs_panic("error opening resource fork");
}
if(!READ(data->io, 0, sizeof(HFSPlusCmpfRsrcHead), &data->rsrcHead)) {
hfs_panic("error reading");
}
flipRsrcHead(&data->rsrcHead);
data->blocks = (HFSPlusCmpfRsrcBlockHead*) malloc(sizeof(HFSPlusCmpfRsrcBlockHead));
if(!READ(data->io, data->rsrcHead.headerSize, sizeof(HFSPlusCmpfRsrcBlockHead), data->blocks)) {
hfs_panic("error reading");
}
flipRsrcBlockHead(data->blocks);
data->blocks = (HFSPlusCmpfRsrcBlockHead*) realloc(data->blocks, sizeof(HFSPlusCmpfRsrcBlockHead) + (sizeof(HFSPlusCmpfRsrcBlock) * data->blocks->numBlocks));
if(!READ(data->io, data->rsrcHead.headerSize + sizeof(HFSPlusCmpfRsrcBlockHead), sizeof(HFSPlusCmpfRsrcBlock) * data->blocks->numBlocks, data->blocks->blocks)) {
hfs_panic("error reading");
}
int i;
for(i = 0; i < data->blocks->numBlocks; i++) {
flipRsrcBlock(&data->blocks->blocks[i]);
}
}
return io;
}
static void closeHFSPlusCompressed(io_func* io) {
HFSPlusCompressed* data = (HFSPlusCompressed*) io->data;
if(data->io)
CLOSE(data->io);
if(data->dirty) {
int oldSize = data->decmpfsSize;
if(data->blocks)
free(data->blocks);
data->decmpfs->magic = CMPFS_MAGIC;
data->decmpfs->flags = 0x4;
data->decmpfsSize = sizeof(HFSPlusDecmpfs);
uint32_t numBlocks = (data->decmpfs->size + 0xFFFF) / 0x10000;
uint32_t blocksSize = sizeof(HFSPlusCmpfRsrcBlockHead) + (numBlocks * sizeof(HFSPlusCmpfRsrcBlock));
data->blocks = (HFSPlusCmpfRsrcBlockHead*) malloc(sizeof(HFSPlusCmpfRsrcBlockHead) + (numBlocks * sizeof(HFSPlusCmpfRsrcBlock)));
data->blocks->numBlocks = numBlocks;
data->blocks->dataSize = blocksSize - sizeof(uint32_t); // without the front dataSize in BlockHead.
data->rsrcHead.headerSize = 0x100;
data->rsrcHead.dataSize = blocksSize;
data->rsrcHead.totalSize = data->rsrcHead.headerSize + data->rsrcHead.dataSize;
data->rsrcHead.flags = 0x32;
uint8_t* buffer = (uint8_t*) malloc((0x10000 * 1.1) + 12);
uint32_t curFileOffset = data->blocks->dataSize;
uint32_t i;
for(i = 0; i < numBlocks; i++) {
data->blocks->blocks[i].offset = curFileOffset;
uLongf actualSize = (0x10000 * 1.1) + 12;
compress(buffer, &actualSize, data->cached + (0x10000 * i),
(data->decmpfs->size - (0x10000 * i)) > 0x10000 ? 0x10000 : (data->decmpfs->size - (0x10000 * i)));
data->blocks->blocks[i].size = actualSize;
// check if we can fit the whole thing into an inline extended attribute
// a little fudge factor here since sizeof(HFSPlusAttrKey) is bigger than it ought to be, since only 127 characters are strictly allowed
if(numBlocks <= 1 && (actualSize + sizeof(HFSPlusDecmpfs) + sizeof(HFSPlusAttrKey)) <= 0x1000) {
int newSize = (sizeof(HFSPlusDecmpfs) + actualSize + 1) & ~1;
if (oldSize < newSize) {
printf("growing ");
data->decmpfs = realloc(data->decmpfs, newSize);
memset(data->decmpfs->data + actualSize, 0, newSize - actualSize - sizeof(HFSPlusDecmpfs));
}
data->decmpfs->flags = 0x3;
memcpy(data->decmpfs->data, buffer, actualSize);
data->decmpfsSize = newSize;
printf("inline data\n");
break;
} else {
if(i == 0) {
data->io = openRawFile(data->file->fileID, &data->file->resourceFork, (HFSPlusCatalogRecord*)data->file, data->volume);
if(!data->io) {
hfs_panic("error opening resource fork");
}
}
WRITE(data->io, data->rsrcHead.headerSize + sizeof(uint32_t) + data->blocks->blocks[i].offset, data->blocks->blocks[i].size, buffer);
curFileOffset += data->blocks->blocks[i].size;
data->blocks->dataSize += data->blocks->blocks[i].size;
data->rsrcHead.dataSize += data->blocks->blocks[i].size;
data->rsrcHead.totalSize += data->blocks->blocks[i].size;
}
}
free(buffer);
if(data->decmpfs->flags == 0x4) {
flipRsrcHead(&data->rsrcHead);
WRITE(data->io, 0, sizeof(HFSPlusCmpfRsrcHead), &data->rsrcHead);
flipRsrcHead(&data->rsrcHead);
for(i = 0; i < data->blocks->numBlocks; i++) {
flipRsrcBlock(&data->blocks->blocks[i]);
}
flipRsrcBlockHead(data->blocks);
WRITE(data->io, data->rsrcHead.headerSize, blocksSize, data->blocks);
flipRsrcBlockHead(data->blocks);
for(i = 0; i < data->blocks->numBlocks; i++) {
flipRsrcBlock(&data->blocks->blocks[i]);
}
HFSPlusCmpfEnd end;
memset(&end, 0, sizeof(HFSPlusCmpfEnd));
end.unk1 = 0x1C;
end.unk2 = 0x32;
end.unk3 = 0x0;
end.magic = CMPFS_MAGIC;
end.flags = 0xA;
end.size = 0xFFFF01;
end.unk4 = 0x0;
flipHFSPlusCmpfEnd(&end);
WRITE(data->io, data->rsrcHead.totalSize, sizeof(HFSPlusCmpfEnd), &end);
flipHFSPlusCmpfEnd(&end);
CLOSE(data->io);
}
flipHFSPlusDecmpfs(data->decmpfs);
setAttribute(data->volume, data->file->fileID, "com.apple.decmpfs", (uint8_t*)(data->decmpfs), data->decmpfsSize);
flipHFSPlusDecmpfs(data->decmpfs);
}
if(data->cached)
free(data->cached);
if(data->blocks)
free(data->blocks);
free(data->decmpfs);
free(data);
free(io);
}
