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 CompareHFSPlusCatalogKeys(void * key, void * testKey)
{
HFSPlusCatalogKey *searchKey, *trialKey;
long result, searchParentID, trialParentID;
searchKey = key;
trialKey = testKey;
searchParentID = SWAP_BE32(searchKey->parentID);
trialParentID = SWAP_BE32(trialKey->parentID);
// parent dirID is unsigned
if (searchParentID > trialParentID) result = 1;
else if (searchParentID < trialParentID) result = -1;
else {
// parent dirID's are equal, compare names
if ((searchKey->nodeName.length == 0) || (trialKey->nodeName.length == 0))
result = searchKey->nodeName.length - trialKey->nodeName.length;
else
if (gCaseSensitive) {
result = BinaryUnicodeCompare(&searchKey->nodeName.unicode[0],
SWAP_BE16(searchKey->nodeName.length),
&trialKey->nodeName.unicode[0],
SWAP_BE16(trialKey->nodeName.length));
} else {
result = FastUnicodeCompare(&searchKey->nodeName.unicode[0],
SWAP_BE16(searchKey->nodeName.length),
&trialKey->nodeName.unicode[0],
SWAP_BE16(trialKey->nodeName.length));
}
}
return result;
}
static long CompareHFSExtentsKeys(void * key, void * testKey)
{
HFSExtentKey *searchKey, *trialKey;
long result;
searchKey = key;
trialKey = testKey;
// assume searchKey < trialKey
result = -1;
if (searchKey->fileID == trialKey->fileID) {
// FileNum's are equal; compare fork types
if (searchKey->forkType == trialKey->forkType) {
// Fork types are equal; compare allocation block number
if (searchKey->startBlock == trialKey->startBlock) {
// Everything is equal
result = 0;
} else {
// Allocation block numbers differ; determine sign
if (SWAP_BE16(searchKey->startBlock) > SWAP_BE16(trialKey->startBlock))
result = 1;
}
} else {
// Fork types differ; determine sign
if (searchKey->forkType > trialKey->forkType) result = 1;
}
} else {
// FileNums differ; determine sign
if (SWAP_BE32(searchKey->fileID) > SWAP_BE32(trialKey->fileID))
result = 1;
}
return result;
}
bool HFSProbe (const void *buf)
{
const HFSMasterDirectoryBlock *mdb;
const HFSPlusVolumeHeader *header;
mdb=(const HFSMasterDirectoryBlock *)(((const char*)buf)+kMDBBaseOffset);
header=(const HFSPlusVolumeHeader *)(((const char*)buf)+kMDBBaseOffset);
if ( SWAP_BE16(mdb->drSigWord) == kHFSSigWord )
return true;
if (SWAP_BE16(header->signature) != kHFSPlusSigWord &&
SWAP_BE16(header->signature) != kHFSXSigWord)
return false;
return true;
}
static void SwapFinderInfo(FndrFileInfo *dst, FndrFileInfo *src)
{
dst->fdType = SWAP_BE32(src->fdType);
dst->fdCreator = SWAP_BE32(src->fdCreator);
dst->fdFlags = SWAP_BE16(src->fdFlags);
// Don't bother with location
}
static void sendping(int junk)
{
struct icmp6_hdr *pkt;
int i;
char packet[datalen + sizeof (struct icmp6_hdr)];
pkt = (struct icmp6_hdr *) packet;
pkt->icmp6_type = ICMP6_ECHO_REQUEST;
pkt->icmp6_code = 0;
pkt->icmp6_cksum = 0;
pkt->icmp6_seq = SWAP_BE16(ntransmitted++);
pkt->icmp6_id = myid;
CLR(pkt->icmp6_seq % MAX_DUP_CHK);
gettimeofday((struct timeval *) &pkt->icmp6_data8[4], NULL);
i = sendto(pingsock, packet, sizeof(packet), 0,
(struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
if (i < 0)
bb_perror_msg_and_die("sendto");
else if ((size_t)i != sizeof(packet))
bb_error_msg_and_die("ping wrote %d chars; %d expected", i,
(int)sizeof(packet));
signal(SIGALRM, sendping);
if (pingcount == 0 || ntransmitted < pingcount) { /* schedule next in 1s */
alarm(PINGINTERVAL);
} else { /* done, wait for the last ping to come back */
/* todo, don't necessarily need to wait so long... */
signal(SIGALRM, pingstats);
alarm(MAXWAIT);
}
}
static void GetBTreeRecord(long index, char * nodeBuffer, long nodeSize,
char ** key, char ** data)
{
long keySize;
long recordOffset;
recordOffset = SWAP_BE16(*((short *)(nodeBuffer + (nodeSize - 2 * index - 2))));
*key = nodeBuffer + recordOffset;
if (gIsHFSPlus) {
keySize = SWAP_BE16(*(short *)*key);
*data = *key + 2 + keySize;
} else {
keySize = **key;
*data = *key + 2 + keySize - (keySize & 1);
}
}
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';
}
static void GetBTreeRecord(u_int16_t index, char * nodeBuffer, u_int16_t nodeSize, char ** key, char ** data)
{
u_int16_t recordOffset, keySize;
recordOffset = SWAP_BE16(*((u_int16_t *)(nodeBuffer + (nodeSize - 2 * index - 2))));
*key = nodeBuffer + recordOffset;
if (gIsHFSPlus)
{
keySize = SWAP_BE16(*(u_int16_t *)*key);
*data = *key + 2 + keySize;
}
else
{
keySize = **key;
*data = *key + 2 + keySize - (keySize & 1);
}
}
static long GetExtentSize(void * extents, long index)
{
long size;
HFSExtentDescriptor *hfsExtents = extents;
HFSPlusExtentDescriptor *hfsPlusExtents = extents;
if (gIsHFSPlus) size = SWAP_BE32(hfsPlusExtents[index].blockCount);
else size = SWAP_BE16(hfsExtents[index].blockCount);
return size;
}
static long GetExtentStart(void * extents, long index)
{
long start;
HFSExtentDescriptor *hfsExtents = extents;
HFSPlusExtentDescriptor *hfsPlusExtents = extents;
if (gIsHFSPlus) start = SWAP_BE32(hfsPlusExtents[index].startBlock);
else start = SWAP_BE16(hfsExtents[index].startBlock);
return start;
}
/*
* hfs_swap_HFSPlusVolumeHeader
*/
void
hfs_swap_HFSPlusVolumeHeader (
void *buf
)
{
HFSPlusVolumeHeader *src = (HFSPlusVolumeHeader *)buf;
src->signature = SWAP_BE16 (src->signature);
src->version = SWAP_BE16 (src->version);
src->attributes = SWAP_BE32 (src->attributes);
src->lastMountedVersion = SWAP_BE32 (src->lastMountedVersion);
src->journalInfoBlock = SWAP_BE32 (src->journalInfoBlock);
src->createDate = SWAP_BE32 (src->createDate);
src->modifyDate = SWAP_BE32 (src->modifyDate);
src->backupDate = SWAP_BE32 (src->backupDate);
src->checkedDate = SWAP_BE32 (src->checkedDate);
src->fileCount = SWAP_BE32 (src->fileCount);
src->folderCount = SWAP_BE32 (src->folderCount);
src->blockSize = SWAP_BE32 (src->blockSize);
src->totalBlocks = SWAP_BE32 (src->totalBlocks);
src->freeBlocks = SWAP_BE32 (src->freeBlocks);
src->nextAllocation = SWAP_BE32 (src->nextAllocation);
src->rsrcClumpSize = SWAP_BE32 (src->rsrcClumpSize);
src->dataClumpSize = SWAP_BE32 (src->dataClumpSize);
src->nextCatalogID = SWAP_BE32 (src->nextCatalogID);
src->writeCount = SWAP_BE32 (src->writeCount);
src->encodingsBitmap = SWAP_BE64 (src->encodingsBitmap);
/* Don't swap finderInfo */
hfs_swap_HFSPlusForkData (&src->allocationFile);
hfs_swap_HFSPlusForkData (&src->extentsFile);
hfs_swap_HFSPlusForkData (&src->catalogFile);
hfs_swap_HFSPlusForkData (&src->attributesFile);
hfs_swap_HFSPlusForkData (&src->startupFile);
}
/*
* Create a new indirect link
*
* An indirect link is a reference to a data node. The only useable
* fields in the link are the link number, parentID, name and text
* encoding. All other catalog fields are ignored.
*/
static int
createindirectlink(struct hfsmount *hfsmp, u_int32_t linknum,
u_int32_t linkparid, char *linkName, cnid_t *linkcnid)
{
struct FndrFileInfo *fip;
struct cat_desc desc;
struct cat_attr attr;
int result;
/* Setup the descriptor */
bzero(&desc, sizeof(desc));
desc.cd_nameptr = linkName;
desc.cd_namelen = strlen(linkName);
desc.cd_parentcnid = linkparid;
/* Setup the default attributes */
bzero(&attr, sizeof(attr));
/* links are matched to data nodes by link ID and to volumes by create date */
attr.ca_rdev = linknum; /* note: cat backend overloads ca_rdev to be the linknum when nlink = 0 */
attr.ca_itime = HFSTOVCB(hfsmp)->vcbCrDate;
attr.ca_mode = S_IFREG;
fip = (struct FndrFileInfo *)&attr.ca_finderinfo;
fip->fdType = SWAP_BE32 (kHardLinkFileType); /* 'hlnk' */
fip->fdCreator = SWAP_BE32 (kHFSPlusCreator); /* 'hfs+' */
fip->fdFlags = SWAP_BE16 (kHasBeenInited);
hfs_global_shared_lock_acquire(hfsmp);
if (hfsmp->jnl) {
if (journal_start_transaction(hfsmp->jnl) != 0) {
hfs_global_shared_lock_release(hfsmp);
return EINVAL;
}
}
/* Create the indirect link directly in the catalog */
result = cat_create(hfsmp, &desc, &attr, NULL);
if (result == 0 && linkcnid != NULL)
*linkcnid = attr.ca_fileid;
if (hfsmp->jnl) {
journal_end_transaction(hfsmp->jnl);
}
hfs_global_shared_lock_release(hfsmp);
return (result);
}
static u_int32_t GetExtentStart(void * extents, u_int32_t index)
{
u_int32_t start;
HFSExtentDescriptor *hfsExtents = extents;
HFSPlusExtentDescriptor *hfsPlusExtents = extents;
if (gIsHFSPlus)
{
start = SWAP_BE32(hfsPlusExtents[index].startBlock);
}
else
{
start = SWAP_BE16(hfsExtents[index].startBlock);
}
return start;
}
static u_int32_t GetExtentSize(void * extents, u_int32_t index)
{
u_int32_t size = 0;
HFSExtentDescriptor *hfsExtents = extents;
HFSPlusExtentDescriptor *hfsPlusExtents = extents;
if (gIsHFSPlus)
{
size = SWAP_BE32(hfsPlusExtents[index].blockCount);
}
else
{
size = SWAP_BE16(hfsExtents[index].blockCount);
}
return size;
}
static long ReadExtentsEntry(long fileID, long startBlock, void * entry)
{
char key[sizeof(HFSPlusExtentKey)];
HFSExtentKey *hfsKey = (HFSExtentKey *)key;
HFSPlusExtentKey *hfsPlusKey = (HFSPlusExtentKey *)key;
// Make the extents key.
if (gIsHFSPlus) {
hfsPlusKey->forkType = 0;
hfsPlusKey->fileID = SWAP_BE32(fileID);
hfsPlusKey->startBlock = SWAP_BE32(startBlock);
} else {
hfsKey->forkType = 0;
hfsKey->fileID = SWAP_BE32(fileID);
hfsKey->startBlock = SWAP_BE16(startBlock);
}
return ReadBTreeEntry(kBTreeExtents, &key, entry, 0);
}
long HFSInitPartition(CICell ih)
{
long extentSize, extentFile, nodeSize;
void *extent;
if (ih == gCurrentIH) {
#ifdef __i386__
CacheInit(ih, gCacheBlockSize);
#endif
return 0;
}
#ifdef __i386__
if (!gTempStr) gTempStr = (char *)malloc(4096);
if (!gLinkTemp) gLinkTemp = (char *)malloc(64);
if (!gBTreeHeaderBuffer) gBTreeHeaderBuffer = (char *)malloc(512);
if (!gHFSMdbVib) {
gHFSMdbVib = (char *)malloc(kBlockSize);
gHFSMDB = (HFSMasterDirectoryBlock *)gHFSMdbVib;
}
if (!gHFSPlusHeader) {
gHFSPlusHeader = (char *)malloc(kBlockSize);
gHFSPlus = (HFSPlusVolumeHeader *)gHFSPlusHeader;
}
if (!gTempStr || !gLinkTemp || !gBTreeHeaderBuffer ||
!gHFSMdbVib || !gHFSPlusHeader) return -1;
#endif /* __i386__ */
gAllocationOffset = 0;
gIsHFSPlus = 0;
gCaseSensitive = 0;
gBTHeaders[0] = 0;
gBTHeaders[1] = 0;
// Look for the HFS MDB
Seek(ih, kMDBBaseOffset);
Read(ih, (long)gHFSMdbVib, kBlockSize);
if ( SWAP_BE16(gHFSMDB->drSigWord) == kHFSSigWord ) {
gAllocationOffset = SWAP_BE16(gHFSMDB->drAlBlSt) * kBlockSize;
// See if it is HFSPlus
if (SWAP_BE16(gHFSMDB->drEmbedSigWord) != kHFSPlusSigWord) {
// Normal HFS;
gCacheBlockSize = gBlockSize = SWAP_BE32(gHFSMDB->drAlBlkSiz);
CacheInit(ih, gCacheBlockSize);
gCurrentIH = ih;
// grab the 64 bit volume ID
bcopy(&gHFSMDB->drFndrInfo[6], &gVolID, 8);
// Get the Catalog BTree node size.
extent = (HFSExtentDescriptor *)&gHFSMDB->drCTExtRec;
extentSize = SWAP_BE32(gHFSMDB->drCTFlSize);
extentFile = kHFSCatalogFileID;
ReadExtent(extent, extentSize, extentFile, 0, 256,
gBTreeHeaderBuffer + kBTreeCatalog * 256, 0);
nodeSize = SWAP_BE16(((BTHeaderRec *)(gBTreeHeaderBuffer + kBTreeCatalog * 256 +
sizeof(BTNodeDescriptor)))->nodeSize);
// If the BTree node size is larger than the block size, reset the cache.
if (nodeSize > gBlockSize) {
gCacheBlockSize = nodeSize;
CacheInit(ih, gCacheBlockSize);
}
return 0;
}
// Calculate the offset to the embeded HFSPlus volume.
gAllocationOffset += (long long)SWAP_BE16(gHFSMDB->drEmbedExtent.startBlock) *
SWAP_BE32(gHFSMDB->drAlBlkSiz);
}
// Look for the HFSPlus Header
Seek(ih, gAllocationOffset + kMDBBaseOffset);
Read(ih, (long)gHFSPlusHeader, kBlockSize);
// Not a HFS+ or HFSX volume.
if (SWAP_BE16(gHFSPlus->signature) != kHFSPlusSigWord &&
SWAP_BE16(gHFSPlus->signature) != kHFSXSigWord) {
verbose("HFS signature was not present.\n");
gCurrentIH = 0;
return -1;
}
gIsHFSPlus = 1;
gCacheBlockSize = gBlockSize = SWAP_BE32(gHFSPlus->blockSize);
CacheInit(ih, gCacheBlockSize);
gCurrentIH = ih;
// grab the 64 bit volume ID
bcopy(&gHFSPlus->finderInfo[24], &gVolID, 8);
// Get the Catalog BTree node size.
extent = &gHFSPlus->catalogFile.extents;
extentSize = SWAP_BE64(gHFSPlus->catalogFile.logicalSize);
extentFile = kHFSCatalogFileID;
ReadExtent(extent, extentSize, extentFile, 0, 256,
gBTreeHeaderBuffer + kBTreeCatalog * 256, 0);
nodeSize = SWAP_BE16(((BTHeaderRec *)(gBTreeHeaderBuffer + kBTreeCatalog * 256 +
sizeof(BTNodeDescriptor)))->nodeSize);
// If the BTree node size is larger than the block size, reset the cache.
if (nodeSize > gBlockSize) {
gCacheBlockSize = nodeSize;
CacheInit(ih, gCacheBlockSize);
}
return 0;
}
static long ReadBTreeEntry(long btree, void * key, char * entry, long * dirIndex)
{
long extentSize;
void *extent;
short extentFile;
char *nodeBuf;
BTNodeDescriptor *node;
long nodeSize, result = 0, entrySize = 0;
long curNode, index = 0, lowerBound, upperBound;
char *testKey, *recordData;
// Figure out which tree is being looked at.
if (btree == kBTreeCatalog) {
if (gIsHFSPlus) {
extent = &gHFSPlus->catalogFile.extents;
extentSize = SWAP_BE64(gHFSPlus->catalogFile.logicalSize);
} else {
extent = (HFSExtentDescriptor *)&gHFSMDB->drCTExtRec;
extentSize = SWAP_BE32(gHFSMDB->drCTFlSize);
}
extentFile = kHFSCatalogFileID;
} else {
if (gIsHFSPlus) {
extent = &gHFSPlus->extentsFile.extents;
extentSize = SWAP_BE64(gHFSPlus->extentsFile.logicalSize);
} else {
extent = (HFSExtentDescriptor *)&gHFSMDB->drXTExtRec;
extentSize = SWAP_BE32(gHFSMDB->drXTFlSize);
}
extentFile = kHFSExtentsFileID;
}
// Read the BTree Header if needed.
if (gBTHeaders[btree] == 0) {
ReadExtent(extent, extentSize, extentFile, 0, 256,
gBTreeHeaderBuffer + btree * 256, 0);
gBTHeaders[btree] = (BTHeaderRec *)(gBTreeHeaderBuffer + btree * 256 +
sizeof(BTNodeDescriptor));
if ((gIsHFSPlus && btree == kBTreeCatalog) &&
(gBTHeaders[btree]->keyCompareType == kHFSBinaryCompare)) {
gCaseSensitive = 1;
}
}
curNode = SWAP_BE32(gBTHeaders[btree]->rootNode);
nodeSize = SWAP_BE16(gBTHeaders[btree]->nodeSize);
nodeBuf = (char *)malloc(nodeSize);
node = (BTNodeDescriptor *)nodeBuf;
while (1) {
// Read the current node.
ReadExtent(extent, extentSize, extentFile,
curNode * nodeSize, nodeSize, nodeBuf, 1);
// Find the matching key.
lowerBound = 0;
upperBound = SWAP_BE16(node->numRecords) - 1;
while (lowerBound <= upperBound) {
index = (lowerBound + upperBound) / 2;
GetBTreeRecord(index, nodeBuf, nodeSize, &testKey, &recordData);
if (gIsHFSPlus) {
if (btree == kBTreeCatalog) {
result = CompareHFSPlusCatalogKeys(key, testKey);
} else {
result = CompareHFSPlusExtentsKeys(key, testKey);
}
} else {
if (btree == kBTreeCatalog) {
result = CompareHFSCatalogKeys(key, testKey);
} else {
result = CompareHFSExtentsKeys(key, testKey);
}
}
if (result < 0) upperBound = index - 1; // search < trial
else if (result > 0) lowerBound = index + 1; // search > trial
else break; // search = trial
}
if (result < 0) {
index = upperBound;
GetBTreeRecord(index, nodeBuf, nodeSize, &testKey, &recordData);
}
// Found the closest key... Recurse on it if this is an index node.
if (node->kind == kBTIndexNode) {
curNode = SWAP_BE32( *((long *)recordData) );
} else break;
}
// Return error if the file was not found.
if (result != 0) { free(nodeBuf); return -1; }
if (btree == kBTreeCatalog) {
switch (SWAP_BE16(*(short *)recordData)) {
case kHFSFolderRecord : entrySize = 70; break;
case kHFSFileRecord : entrySize = 102; break;
case kHFSFolderThreadRecord : entrySize = 46; break;
case kHFSFileThreadRecord : entrySize = 46; break;
case kHFSPlusFolderRecord : entrySize = 88; break;
case kHFSPlusFileRecord : entrySize = 248; break;
case kHFSPlusFolderThreadRecord : entrySize = 264; break;
case kHFSPlusFileThreadRecord : entrySize = 264; break;
}
} else {
if (gIsHFSPlus) entrySize = sizeof(HFSPlusExtentRecord);
else entrySize = sizeof(HFSExtentRecord);
}
bcopy(recordData, entry, entrySize);
// Update dirIndex.
if (dirIndex != 0) {
index++;
if (index == SWAP_BE16(node->numRecords)) {
index = 0;
curNode = SWAP_BE32(node->fLink);
}
*dirIndex = curNode * nodeSize + index;
}
free(nodeBuf);
return 0;
}
static long GetCatalogEntryInfo(void * entry, long * flags, long * time,
FinderInfo * finderInfo, long * infoValid)
{
long tmpTime = 0;
long valid = 0;
// Get information about the file.
switch ( SWAP_BE16(*(short *)entry) )
{
case kHFSFolderRecord :
*flags = kFileTypeDirectory;
tmpTime = SWAP_BE32(((HFSCatalogFolder *)entry)->modifyDate);
break;
case kHFSPlusFolderRecord :
*flags = kFileTypeDirectory |
(SWAP_BE16(((HFSPlusCatalogFolder *)entry)->bsdInfo.fileMode) & kPermMask);
if (SWAP_BE32(((HFSPlusCatalogFolder *)entry)->bsdInfo.ownerID) != 0)
*flags |= kOwnerNotRoot;
tmpTime = SWAP_BE32(((HFSPlusCatalogFolder *)entry)->contentModDate);
break;
case kHFSFileRecord :
*flags = kFileTypeFlat;
tmpTime = SWAP_BE32(((HFSCatalogFile *)entry)->modifyDate);
if (finderInfo) {
SwapFinderInfo((FndrFileInfo *)finderInfo, &((HFSCatalogFile *)entry)->userInfo);
valid = 1;
}
break;
case kHFSPlusFileRecord :
*flags = kFileTypeFlat |
(SWAP_BE16(((HFSPlusCatalogFile *)entry)->bsdInfo.fileMode) & kPermMask);
if (SWAP_BE32(((HFSPlusCatalogFile *)entry)->bsdInfo.ownerID) != 0)
*flags |= kOwnerNotRoot;
tmpTime = SWAP_BE32(((HFSPlusCatalogFile *)entry)->contentModDate);
if (finderInfo) {
SwapFinderInfo((FndrFileInfo *)finderInfo, &((HFSPlusCatalogFile *)entry)->userInfo);
valid = 1;
}
break;
case kHFSFileThreadRecord :
case kHFSPlusFileThreadRecord :
case kHFSFolderThreadRecord :
case kHFSPlusFolderThreadRecord :
*flags = kFileTypeUnknown;
tmpTime = 0;
break;
}
if (time != 0) {
// Convert base time from 1904 to 1970.
*time = tmpTime - 2082844800;
}
if (infoValid) *infoValid = valid;
return 0;
}
/*
* hfs_swap_HFSMasterDirectoryBlock
*
* Specially modified to swap parts of the finder info
*/
void
hfs_swap_HFSMasterDirectoryBlock (
void *buf
)
{
HFSMasterDirectoryBlock *src = (HFSMasterDirectoryBlock *)buf;
src->drSigWord = SWAP_BE16 (src->drSigWord);
src->drCrDate = SWAP_BE32 (src->drCrDate);
src->drLsMod = SWAP_BE32 (src->drLsMod);
src->drAtrb = SWAP_BE16 (src->drAtrb);
src->drNmFls = SWAP_BE16 (src->drNmFls);
src->drVBMSt = SWAP_BE16 (src->drVBMSt);
src->drAllocPtr = SWAP_BE16 (src->drAllocPtr);
src->drNmAlBlks = SWAP_BE16 (src->drNmAlBlks);
src->drAlBlkSiz = SWAP_BE32 (src->drAlBlkSiz);
src->drClpSiz = SWAP_BE32 (src->drClpSiz);
src->drAlBlSt = SWAP_BE16 (src->drAlBlSt);
src->drNxtCNID = SWAP_BE32 (src->drNxtCNID);
src->drFreeBks = SWAP_BE16 (src->drFreeBks);
/* Don't swap drVN */
src->drVolBkUp = SWAP_BE32 (src->drVolBkUp);
src->drVSeqNum = SWAP_BE16 (src->drVSeqNum);
src->drWrCnt = SWAP_BE32 (src->drWrCnt);
src->drXTClpSiz = SWAP_BE32 (src->drXTClpSiz);
src->drCTClpSiz = SWAP_BE32 (src->drCTClpSiz);
src->drNmRtDirs = SWAP_BE16 (src->drNmRtDirs);
src->drFilCnt = SWAP_BE32 (src->drFilCnt);
src->drDirCnt = SWAP_BE32 (src->drDirCnt);
/* Swap just the 'blessed folder' in drFndrInfo */
src->drFndrInfo[0] = SWAP_BE32 (src->drFndrInfo[0]);
src->drEmbedSigWord = SWAP_BE16 (src->drEmbedSigWord);
src->drEmbedExtent.startBlock = SWAP_BE16 (src->drEmbedExtent.startBlock);
src->drEmbedExtent.blockCount = SWAP_BE16 (src->drEmbedExtent.blockCount);
src->drXTFlSize = SWAP_BE32 (src->drXTFlSize);
src->drXTExtRec[0].startBlock = SWAP_BE16 (src->drXTExtRec[0].startBlock);
src->drXTExtRec[0].blockCount = SWAP_BE16 (src->drXTExtRec[0].blockCount);
src->drXTExtRec[1].startBlock = SWAP_BE16 (src->drXTExtRec[1].startBlock);
src->drXTExtRec[1].blockCount = SWAP_BE16 (src->drXTExtRec[1].blockCount);
src->drXTExtRec[2].startBlock = SWAP_BE16 (src->drXTExtRec[2].startBlock);
src->drXTExtRec[2].blockCount = SWAP_BE16 (src->drXTExtRec[2].blockCount);
src->drCTFlSize = SWAP_BE32 (src->drCTFlSize);
src->drCTExtRec[0].startBlock = SWAP_BE16 (src->drCTExtRec[0].startBlock);
src->drCTExtRec[0].blockCount = SWAP_BE16 (src->drCTExtRec[0].blockCount);
src->drCTExtRec[1].startBlock = SWAP_BE16 (src->drCTExtRec[1].startBlock);
src->drCTExtRec[1].blockCount = SWAP_BE16 (src->drCTExtRec[1].blockCount);
src->drCTExtRec[2].startBlock = SWAP_BE16 (src->drCTExtRec[2].startBlock);
src->drCTExtRec[2].blockCount = SWAP_BE16 (src->drCTExtRec[2].blockCount);
}