static long GetCatalogEntry(long long * dirIndex, char ** name, long * flags, long * time, FinderInfo * finderInfo, long * infoValid)
{
long extentSize, nodeSize, curNode, index;
void *extent;
char *nodeBuf, *testKey, *entry;
BTNodeDescriptor *node;
if (gIsHFSPlus)
{
extent = &gHFSPlus->catalogFile.extents;
extentSize = SWAP_BE64(gHFSPlus->catalogFile.logicalSize);
}
else
{
extent = (HFSExtentDescriptor *)&gHFSMDB->drCTExtRec;
extentSize = SWAP_BE32(gHFSMDB->drCTFlSize);
}
nodeSize = SWAP_BE16(gBTHeaders[kBTreeCatalog]->nodeSize);
nodeBuf = (char *)malloc(nodeSize);
node = (BTNodeDescriptor *)nodeBuf;
index = (long) (*dirIndex % nodeSize);
curNode = (long) (*dirIndex / nodeSize);
// Read the BTree node and get the record for index.
ReadExtent(extent, extentSize, kHFSCatalogFileID, (long long) curNode * nodeSize, nodeSize, nodeBuf, 1);
GetBTreeRecord(index, nodeBuf, nodeSize, &testKey, &entry);
GetCatalogEntryInfo(entry, flags, time, finderInfo, infoValid);
// Get the file name.
if (gIsHFSPlus)
{
utf_encodestr(((HFSPlusCatalogKey *)testKey)->nodeName.unicode,
SWAP_BE16(((HFSPlusCatalogKey *)testKey)->nodeName.length),
(u_int8_t *)gTempStr, 256, OSBigEndian);
}
else
{
strncpy(gTempStr, (const char *)&((HFSCatalogKey *)testKey)->nodeName[1], ((HFSCatalogKey *)testKey)->nodeName[0]);
gTempStr[((HFSCatalogKey *)testKey)->nodeName[0]] = '\0';
}
*name = gTempStr;
// Update dirIndex.
index++;
if (index == SWAP_BE16(node->numRecords))
{
index = 0;
curNode = SWAP_BE32(node->fLink);
}
*dirIndex = (long long) curNode * nodeSize + index;
free(nodeBuf);
return 0;
}
static long ResolvePathToCatalogEntry(char * filePath, long * flags,
void * entry, long dirID, long long * dirIndex)
{
char *restPath;
long result, cnt, subFolderID = 0;
long long tmpDirIndex;
HFSPlusCatalogFile *hfsPlusFile;
// Copy the file name to gTempStr
cnt = 0;
while ((filePath[cnt] != '/') && (filePath[cnt] != '\0')) cnt++;
strlcpy(gTempStr, filePath, cnt+1);
// Move restPath to the right place.
if (filePath[cnt] != '\0') cnt++;
restPath = filePath + cnt;
// gTempStr is a name in the current Dir.
// restPath is the rest of the path if any.
result = ReadCatalogEntry(gTempStr, dirID, entry, dirIndex);
if (result == -1) {
return -1;
}
GetCatalogEntryInfo(entry, flags, 0, 0, 0);
if ((*flags & kFileTypeMask) == kFileTypeDirectory) {
if (gIsHFSPlus)
subFolderID = SWAP_BE32(((HFSPlusCatalogFolder *)entry)->folderID);
else
subFolderID = SWAP_BE32(((HFSCatalogFolder *)entry)->folderID);
}
if ((*flags & kFileTypeMask) == kFileTypeDirectory)
result = ResolvePathToCatalogEntry(restPath, flags, entry,
subFolderID, dirIndex);
if (gIsHFSPlus && ((*flags & kFileTypeMask) == kFileTypeFlat)) {
hfsPlusFile = (HFSPlusCatalogFile *)entry;
if ((SWAP_BE32(hfsPlusFile->userInfo.fdType) == kHardLinkFileType) &&
(SWAP_BE32(hfsPlusFile->userInfo.fdCreator) == kHFSPlusCreator)) {
#ifdef __i386__
snprintf(gLinkTemp, 64 ,"%s/%s%ld", HFSPLUSMETADATAFOLDER,
HFS_INODE_PREFIX, SWAP_BE32(hfsPlusFile->bsdInfo.special.iNodeNum));
#else
snprintf(gLinkTemp, sizeof(gLinkTemp),"%s/%s%ld", HFSPLUSMETADATAFOLDER,
HFS_INODE_PREFIX, SWAP_BE32(hfsPlusFile->bsdInfo.special.iNodeNum));
#endif
result = ResolvePathToCatalogEntry(gLinkTemp, flags, entry,
kHFSRootFolderID, &tmpDirIndex);
}
}
return result;
}
static long GetCatalogEntry(unsigned long *dirIndex, char **name,
long *flags, long *time)
{
long nodeSize, index;
u_int32_t curNode;
u_int64_t extentSize;
void *extent;
char *nodeBuf, *testKey, *entry;
BTNodeDescriptor *node;
if (gIsHFSPlus) {
extent = &gHFSPlus->catalogFile.extents;
extentSize = gHFSPlus->catalogFile.logicalSize;
} else {
extent = (HFSExtentDescriptor *)&gHFSMDB->drCTExtRec;
extentSize = gHFSMDB->drCTFlSize;
}
nodeSize = gBTHeaders[kBTreeCatalog]->nodeSize;
nodeBuf = (char *)malloc(nodeSize);
node = (BTNodeDescriptor *)nodeBuf;
index = *dirIndex % nodeSize;
curNode = *dirIndex / nodeSize;
// Read the BTree node and get the record for index.
ReadExtent(extent, extentSize, kHFSCatalogFileID,
curNode * (u_int32_t)nodeSize, nodeSize, nodeBuf, 1);
GetBTreeRecord(index, nodeBuf, nodeSize, &testKey, &entry);
GetCatalogEntryInfo(entry, flags, time);
// Get the file name.
if (gIsHFSPlus) {
utf_encodestr(((HFSPlusCatalogKey *)testKey)->nodeName.unicode,
((HFSPlusCatalogKey *)testKey)->nodeName.length,
gTempStr, 256);
} else {
strncpy(gTempStr,
&((HFSCatalogKey *)testKey)->nodeName[1],
((HFSCatalogKey *)testKey)->nodeName[0]);
}
*name = gTempStr;
// Update dirIndex.
index++;
if (index == node->numRecords) {
index = 0;
curNode = node->fLink;
}
*dirIndex = curNode * nodeSize + index;
free(nodeBuf);
return 0;
}
static long ResolvePathToCatalogEntry(char *filePath, long *flags, void *entry,
unsigned long dirID, unsigned long *dirIndex)
{
char *restPath;
long result, cnt;
unsigned long subFolderID = 0, tmpDirIndex;
HFSPlusCatalogFile *hfsPlusFile;
// Copy the file name to gTempStr
cnt = 0;
while ((filePath[cnt] != '\\') && (filePath[cnt] != '\0')) cnt++;
strncpy(gTempStr, filePath, cnt);
// Move restPath to the right place.
if (filePath[cnt] != '\0') cnt++;
restPath = filePath + cnt;
// gTempStr is a name in the current Dir.
// restPath is the rest of the path if any.
result = ReadCatalogEntry(gTempStr, dirID, entry, dirIndex);
if (result == -1) return -1;
GetCatalogEntryInfo(entry, flags, 0);
if ((*flags & kFileTypeMask) == kFileTypeDirectory) {
if (gIsHFSPlus) subFolderID = ((HFSPlusCatalogFolder *)entry)->folderID;
else subFolderID = ((HFSCatalogFolder *)entry)->folderID;
}
if ((*flags & kFileTypeMask) == kFileTypeDirectory)
result = ResolvePathToCatalogEntry(restPath, flags, entry,
subFolderID, dirIndex);
if (gIsHFSPlus && ((*flags & kFileTypeMask) == kFileTypeFlat)) {
hfsPlusFile = (HFSPlusCatalogFile *)entry;
if ((hfsPlusFile->userInfo.fdType == kHardLinkFileType) &&
(hfsPlusFile->userInfo.fdCreator == kHFSPlusCreator)) {
sprintf(gLinkTemp, "%s\\%s%d", HFSPLUSMETADATAFOLDER,
HFS_INODE_PREFIX, hfsPlusFile->bsdInfo.special.iNodeNum);
result = ResolvePathToCatalogEntry(gLinkTemp, flags, entry,
kHFSRootFolderID, &tmpDirIndex);
}
}
return result;
}