void
HFSGetDescription(CICell ih, char *str, long strMaxLen)
{
UInt16 nodeSize;
UInt32 firstLeafNode;
long dirIndex;
char *name;
long flags, time;
if (HFSInitPartition(ih) == -1) { return; }
/* Fill some crucial data structures by side effect. */
dirIndex = 0;
HFSGetDirEntry(ih, "/", &dirIndex, &name, &flags, &time, 0, 0);
/* Now we can loook up the volume name node. */
nodeSize = SWAP_BE16(gBTHeaders[kBTreeCatalog]->nodeSize);
firstLeafNode = SWAP_BE32(gBTHeaders[kBTreeCatalog]->firstLeafNode);
dirIndex = firstLeafNode * nodeSize;
GetCatalogEntry(&dirIndex, &name, &flags, &time, 0, 0);
strncpy(str, name, strMaxLen);
str[strMaxLen] = '\0';
}
long HFSGetUUID(CICell ih, char *uuidStr)
{
if (HFSInitPartition(ih) == -1) return -1;
if (gVolID == 0LL) return -1;
return CreateUUIDString((uint8_t*)(&gVolID), sizeof(gVolID), uuidStr);
}
long HFSGetFileBlock(CICell ih, char *filePath, u_int64_t *firstBlock)
{
char entry[512];
long result, flags;
u_int32_t dirID;
void *extents;
HFSCatalogFile *hfsFile = (void *)entry;
HFSPlusCatalogFile *hfsPlusFile = (void *)entry;
if (HFSInitPartition(ih) == -1)
{
return -1;
}
dirID = kHFSRootFolderID;
// Skip a lead '/'. Start in the system folder if there are two.
if (filePath[0] == '/')
{
if (filePath[1] == '/')
{
if (gIsHFSPlus)
{
dirID = SWAP_BE32(((long *) gHFSPlus->finderInfo)[5]);
}
else
{
dirID = SWAP_BE32(gHFSMDB->drFndrInfo[5]);
}
if (dirID == 0)
{
return -1;
}
filePath++;
}
filePath++;
}
result = ResolvePathToCatalogEntry(filePath, &flags, entry, dirID, 0);
if ((result == -1) || ((flags & kFileTypeMask) != kFileTypeFlat))
{
printf("HFS: Resolve path %s failed\n", filePath);
return -1;
}
if (gIsHFSPlus) {
extents = &hfsPlusFile->dataFork.extents;
} else {
extents = &hfsFile->dataExtents;
}
#if DEBUG
printf("extent start 0x%x\n", GetExtentStart(extents, 0));
printf("block size 0x%x\n", gBlockSize);
printf("Allocation offset 0x%x\n", (unsigned long)gAllocationOffset);
#endif
*firstBlock = ((u_int64_t) GetExtentStart(extents, 0) * (u_int64_t) gBlockSize + gAllocationOffset) / 512ULL;
return 0;
}
long HFSGetDirEntry(CICell ih, char * dirPath, long * dirIndex, char ** name,
long * flags, long * time,
FinderInfo * finderInfo, long * infoValid)
{
char entry[512];
long dirID, dirFlags;
if (HFSInitPartition(ih) == -1) return -1;
if (*dirIndex == -1) return -1;
dirID = kHFSRootFolderID;
// Skip a lead '\'. Start in the system folder if there are two.
if (dirPath[0] == '/') {
if (dirPath[1] == '/') {
if (gIsHFSPlus) dirID = SWAP_BE32(((long *)gHFSPlus->finderInfo)[5]);
else dirID = SWAP_BE32(gHFSMDB->drFndrInfo[5]);
if (dirID == 0) return -1;
dirPath++;
}
dirPath++;
}
if (*dirIndex == 0) {
ResolvePathToCatalogEntry(dirPath, &dirFlags, entry, dirID, dirIndex);
if (*dirIndex == 0) *dirIndex = -1;
if ((dirFlags & kFileTypeMask) != kFileTypeUnknown) return -1;
}
GetCatalogEntry(dirIndex, name, flags, time, finderInfo, infoValid);
if (*dirIndex == 0) *dirIndex = -1;
if ((*flags & kFileTypeMask) == kFileTypeUnknown) return -1;
return 0;
}
long HFSLoadFile(CICell ih, char *filePath)
{
char entry[512];
long dirID, result, length, flags;
if (HFSInitPartition(ih) == -1) return -1;
printf("Loading HFS%s file: [%s] from %x.\n",
(gIsHFSPlus ? "+" : ""), filePath, ih);
dirID = kHFSRootFolderID;
// Skip a lead '\'. Start in the system folder if there are two.
if (filePath[0] == '\\') {
if (filePath[1] == '\\') {
if (gIsHFSPlus) dirID = ((long *)gHFSPlus->finderInfo)[5];
else dirID = gHFSMDB->drFndrInfo[5];
if (dirID == 0) return -1;
filePath++;
}
filePath++;
}
result = ResolvePathToCatalogEntry(filePath, &flags, entry, dirID, 0);
if ((result == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) return -1;
// Check file owner and permissions.
if (flags & (kOwnerNotRoot | kPermGroupWrite | kPermOtherWrite)) return -1;
result = ReadFile(entry, &length);
if (result == -1) return -1;
return length;
}
long HFSReadFile(CICell ih, char * filePath, void *base, uint64_t offset, uint64_t length)
{
char entry[512];
char devStr[12];
long dirID, result, flags;
if (HFSInitPartition(ih) == -1) return -1;
dirID = kHFSRootFolderID;
// Skip a lead '\'. Start in the system folder if there are two.
if (filePath[0] == '/') {
if (filePath[1] == '/') {
if (gIsHFSPlus) dirID = SWAP_BE32(((long *)gHFSPlus->finderInfo)[5]);
else dirID = SWAP_BE32(gHFSMDB->drFndrInfo[5]);
if (dirID == 0) {
return -1;
}
filePath++;
}
filePath++;
}
result = ResolvePathToCatalogEntry(filePath, &flags, entry, dirID, 0);
if ((result == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) {
return -1;
}
#if UNUSED
// Not yet for Intel. System.config/Default.table will fail this check.
// Check file owner and permissions.
if (flags & (kOwnerNotRoot | kPermGroupWrite | kPermOtherWrite)) return -1;
#endif
result = ReadFile(entry, &length, base, offset);
if (result == -1) {
return -1;
}
getDeviceDescription(ih, devStr);
/*if (strstr(filePath, ".plist")) verbose("LoadConfig: [%s/%s] %d bytes.\n", devStr, filePath, (uint32_t)length);*/
if (strstr(filePath, "com.apple.Boot.plist")) verbose("Config: [%s/%s] %d bytes.\n", devStr, filePath, (uint32_t)length);
if (strstr(filePath, "theme.plist"))
{
//valv: inspired from toitione's rtrim
int t_len = strlen(filePath) - 12;
char *themePath = strncpy(malloc(t_len + 1), filePath, t_len);
themePath[t_len+1] = '\0';
verbose("Theme: [%s]/%s\n", devStr, themePath);
}
// if (strstr(filePath, "theme.plist")) verbose("Theme: [%s].\n", devStr);
if (strstr(filePath, "smbios.plist")) verbose("SMBios: [%s/%s] %d bytes.\n", devStr, filePath, (uint32_t)length);
if (strstr(filePath, ".aml")) verbose("ACPI: [%s/%s] %d bytes.\n", devStr, filePath, (uint32_t)length);
return length;
}
long HFSReadFile(CICell ih, char * filePath, void *base, uint64_t offset, uint64_t length)
{
char entry[512];
char devStr[12];
long dirID, result, flags = 0;
if (HFSInitPartition(ih) == -1) return -1;
dirID = kHFSRootFolderID;
// Skip a lead '\'. Start in the system folder if there are two.
if (filePath[0] == '/') {
if (filePath[1] == '/') {
if (gIsHFSPlus) dirID = SWAP_BE32(((long *)gHFSPlus->finderInfo)[5]);
else dirID = SWAP_BE32(gHFSMDB->drFndrInfo[5]);
if (dirID == 0) {
return -1;
}
filePath++;
}
filePath++;
}
result = ResolvePathToCatalogEntry(filePath, &flags, entry, dirID, 0);
if ((result == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) {
return -1;
}
#if UNUSED
// Not yet for Intel. System.config/Default.table will fail this check.
// Check file owner and permissions.
if (flags & (kOwnerNotRoot | kPermGroupWrite | kPermOtherWrite)) return -1;
#endif
result = ReadFile(entry, &length, base, offset);
if (result == -1) {
return -1;
}
getDeviceDescription(ih, devStr, sizeof(devStr));
if (get_env(envHFSLoadVerbose)) {
verbose("Read HFS%s file: [%s/%s] %d bytes.\n",
(gIsHFSPlus ? "+" : ""), devStr, filePath, (uint32_t)length);
} else if (get_env(envHFSLoadVerbose) == 0) {
safe_set_env(envHFSLoadVerbose, 1);
}
return length;
}
long HFSReadFile(CICell ih, char * filePath, void *base, unsigned long offset, unsigned long length)
{
char entry[512];
long dirID, result, flags;
verbose("Loading HFS%s file: [%s] from %x.\n",
(gIsHFSPlus ? "+" : ""), filePath, ih);
if (HFSInitPartition(ih) == -1) return -1;
dirID = kHFSRootFolderID;
// Skip a lead '\'. Start in the system folder if there are two.
if (filePath[0] == '/') {
if (filePath[1] == '/') {
if (gIsHFSPlus) dirID = SWAP_BE32(((long *)gHFSPlus->finderInfo)[5]);
else dirID = SWAP_BE32(gHFSMDB->drFndrInfo[5]);
if (dirID == 0) {
return -1;
}
filePath++;
}
filePath++;
}
result = ResolvePathToCatalogEntry(filePath, &flags, entry, dirID, 0);
if ((result == -1) || ((flags & kFileTypeMask) != kFileTypeFlat)) {
return -1;
}
#if UNUSED
// Not yet for Intel. System.config/Default.table will fail this check.
// Check file owner and permissions.
if (flags & (kOwnerNotRoot | kPermGroupWrite | kPermOtherWrite)) return -1;
#endif
result = ReadFile(entry, &length, base, offset);
if (result == -1) {
return -1;
}
return length;
}
long LookupPartition(char *devSpec)
{
CICell partIH;
long partIndex, partType;
long deviceType;
// See if the devSpec has already been opened.
for (partIndex = 0; partIndex < kNumPartInfos; partIndex++) {
if (!strcmp(gParts[partIndex].partName, devSpec)) break;
}
// If it has not been opened, do so now.
if (partIndex == kNumPartInfos) {
// Find a free slot.
for (partIndex = 0; partIndex < kNumPartInfos; partIndex++) {
if (gParts[partIndex].partIH == 0) break;
}
// No free slots, so return error.
if (partIndex == kNumPartInfos) return -1;
deviceType = GetDeviceType(devSpec);
switch (deviceType) {
case kNetworkDeviceType :
partIH = NetInitPartition(devSpec);
if (partIH == 0) return -1;
partType = kPartNet;
break;
case kBlockDeviceType :
printf("Opening partition [%s]...\n", devSpec);
partIH = Open(devSpec);
if (partIH == 0) {
printf("Failed to open partition [%s].\n", devSpec);
return -1;
}
// Find out what kind of partition it is.
if (HFSInitPartition(partIH) != -1) partType = kPartHFS;
else if (UFSInitPartition(partIH) != -1) partType = kPartUFS;
else if (Ext2InitPartition(partIH) != -1) partType = kPartExt2;
else return -1;
break;
default :
return -1;
}
gParts[partIndex].partIH = partIH;
gParts[partIndex].partType = partType;
strcpy(gParts[partIndex].partName, devSpec);
switch (partType) {
case kPartNet:
gParts[partIndex].loadFile = NetLoadFile;
gParts[partIndex].readFile = NULL;
gParts[partIndex].getDirEntry = NetGetDirEntry;
gParts[partIndex].getUUID = NULL;
break;
case kPartHFS:
gParts[partIndex].loadFile = HFSLoadFile;
gParts[partIndex].readFile = HFSReadFile;
gParts[partIndex].getDirEntry = HFSGetDirEntry;
gParts[partIndex].getUUID = HFSGetUUID;
break;
case kPartUFS:
gParts[partIndex].loadFile = UFSLoadFile;
gParts[partIndex].readFile = UFSReadFile;
gParts[partIndex].getDirEntry = UFSGetDirEntry;
gParts[partIndex].getUUID = UFSGetUUID;
break;
case kPartExt2:
gParts[partIndex].loadFile = Ext2LoadFile;
gParts[partIndex].readFile = NULL;
gParts[partIndex].getDirEntry = Ext2GetDirEntry;
gParts[partIndex].getUUID = NULL;
// Ext2GetUUID exists, but there's no kernel support
break;
}
}
return partIndex;
}
