public HFSPlus(absImageStream fileSet, GPTScheme.entry partition) : base(fileSet, partition)
{
this.blockSize = 4096; // default block size
this.partitionNo = partition.partitionNo;
this.path = fileSet.bf.F.Name + "\\" + partition.name;
byte[] rawHeader = new byte[512];
ais.Seek(this.volumeStart + 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
volHead = getVolumeHeader(rawHeader);
}
long volEnd = this.volumeStart + (partition.partLength * ais.sectorSize) + ais.sectorSize;
this.totalSize = partition.partLength * ais.sectorSize;
ais.Seek(volEnd - 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
backupVolHead = getVolumeHeader(rawHeader);
}
}
private void setFileTreeFromImage(absImageStream i)
{
TreeNode partitionTN = new TreeNode();
fileTree = null;
fileTree = new TreeNode();
switch (i.scheme)
{
case absImageStream.schemeType.GPT:
GPTScheme ps = new GPTScheme(i);
foreach (GPTScheme.entry partition in ps.getValidTable())
{
GPTScheme.partitionType type = ps.findPartitionType(partition);
partitionTN = getVolumeTree(partition, type);
partitionTN.Text = partition.name;
fileTree.Nodes.Add(partitionTN);
}
break;
default:
break;
}
}
public void getImageContents(string imagepath)
{
i = accessImage(imagepath);
setFileTreeFromImage(i);
fileTree.Text = i.bf.F.Name;
absImageStream.imageProperties tag = new absImageStream.imageProperties();
tag.imagepath = i.bf.F.FullName;
tag.componentSize = i.componentSize;
tag.sectorSize = i.sectorSize;
i.Position = 0;
tag.scheme = i.scheme;
tag.totalSize = i.Length;
if (tag.scheme == absImageStream.schemeType.GPT)
{
tag.entries = new GPTScheme(i);
}
fileTree.Tag = tag;
displayTree = stripFilesFromTree(fileTree);
}
public HFSPlus(absImageStream fileSet, GPTScheme.entry partition)
: base(fileSet, partition)
{
this.blockSize = 4096; // default block size
this.partitionNo = partition.partitionNo;
this.path = fileSet.bf.F.Name + "\\" + partition.name;
byte[] rawHeader = new byte[512];
ais.Seek(this.volumeStart + 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
volHead = getVolumeHeader(rawHeader);
}
long volEnd = this.volumeStart + (partition.partLength * ais.sectorSize) + ais.sectorSize;
this.totalSize = partition.partLength * ais.sectorSize;
ais.Seek(volEnd - 1024, SeekOrigin.Begin);
ais.Read(rawHeader, 0, 512);
if (rawHeader[0] == 0x48 && rawHeader[1] == 0x2B)
{
backupVolHead = getVolumeHeader(rawHeader);
}
}
public absVolume(absImageStream fileSet, GPTScheme.entry partition)
{
GPTScheme.entry partEntry = partition;
ais = fileSet;
blockSize = 512;
volumeStart = (long)partition.partStartLBA * ais.sectorSize;
volumeLength = (long)partition.partLength * ais.sectorSize;
}
public absVolume(absImageStream fileSet, GPTScheme.entry partition)
{
GPTScheme.entry partEntry = partition;
ais = fileSet;
blockSize = 512;
volumeStart = (long)partition.partStartLBA * ais.sectorSize;
volumeLength = (long)partition.partLength * ais.sectorSize;
}
public GPTScheme(absImageStream fileset) : base(fileset)
{
entries = new List <GPTScheme.entry>();
backupEntries = new List <GPTScheme.entry>();
headerMatchesCRC = false;
tableMatchesCRC = false;
headerFound = false;
backupFound = false;
backupMatchesCRC = false;
backupTableMatchesCRC = false;
protectiveMBRExists = false;
header = new GPTHeader();
backupHeader = new GPTHeader();
runChecks();
}
public GPTScheme(absImageStream fileset)
: base(fileset)
{
entries = new List<GPTScheme.entry>();
backupEntries = new List<GPTScheme.entry>();
headerMatchesCRC = false;
tableMatchesCRC = false;
headerFound = false;
backupFound = false;
backupMatchesCRC = false;
backupTableMatchesCRC = false;
protectiveMBRExists = false;
header = new GPTHeader();
backupHeader = new GPTHeader();
runChecks();
}
private absImageStream accessImage(string imagepath)
{
FileInfo f = new FileInfo(imagepath);
absImageStream ais;
switch (f.Extension)
{
case ".001":
case ".dmg":
i = new DDSetStream(imagepath);
ais = new DDSetStream(imagepath);
break;
default:
i = new DDSetStream(imagepath);
ais = new DDSetStream(imagepath);
break;
}
return(i);
}
private GPTHeader getHeader(byte[] buffer, absImageStream fileset, GPTHeader theHeader)
{
byte[] findguid = new byte[16];
Array.Copy(buffer, 0x38, findguid, 0, 16);
theHeader.revision = BitConverter.ToInt32(buffer, 0x08);
theHeader.headersize = BitConverter.ToInt32(buffer, 0x0C);
theHeader.headercheck = BitConverter.ToUInt32(buffer, 0x10);
theHeader.mainheader = BitConverter.ToInt64(buffer, 0x18);
theHeader.backupheader = BitConverter.ToInt64(buffer, 0x20);
theHeader.firstlba = BitConverter.ToInt64(buffer, 0x28);
theHeader.lastlba = BitConverter.ToInt64(buffer, 0x30);
theHeader.diskguid = new Guid(findguid);
theHeader.tablestart = BitConverter.ToInt32(buffer, 0x48);
numberofentries = BitConverter.ToInt32(buffer, 0x50);
sizeofentry = BitConverter.ToInt32(buffer, 0x54);
theHeader.tablecheck = BitConverter.ToUInt32(buffer, 0x58);
tablelength = numberofentries * sizeofentry;
return(theHeader);
}
public absPartitionScheme(absImageStream fileset)
{
i = fileset;
}
public absPartitionScheme(absImageStream fileset)
{
i = fileset;
}
public imageMap(absImageStream ais)
{
if (ais.scheme == absImageStream.schemeType.GPT)
{
GPTScheme gpts = new GPTScheme(ais);
mapBlock block = new mapBlock();
block.location = 0;
if (gpts.protectiveMBRExists)
{
block.length = 1;
block.name = "MBR";
block.type = tileType.MBR;
partitionblocks.Add(block);
}
if (gpts.headerFound)
{
block.location = 1;
block.length = 1;
block.name = "GPT Header";
block.type = tileType.GPT;
partitionblocks.Add(block);
block.location = gpts.tablestart;
block.length = gpts.tablelength / ais.sectorSize;
if (block.length < 1) block.length = 1;
block.name = "GPT Primary Table";
block.type = tileType.GPT;
partitionblocks.Add(block);
}
if (gpts.backupFound)
{
block.location = gpts.backupHeader.mainheader;
block.length = 1;
block.name = "Backup GPT Header";
block.type = tileType.GPT;
partitionblocks.Add(block);
block.location = gpts.backupHeader.tablestart;
block.length = gpts.tablelength / ais.sectorSize;
if (block.length < 1) block.length = 1;
block.name = "GPT Backup Table";
block.type = tileType.GPT;
partitionblocks.Add(block);
}
foreach (GPTScheme.entry entry in gpts.entries)
{
block.location = entry.partStartLBA;
block.length = entry.partLength;
block.name = entry.name;
block.type = tileType.vol_unknown;
if (gpts.findPartitionType(entry) == GPTScheme.partitionType.HFSPlus)
{
HFSPlus hfsp = new HFSPlus(ais, entry);
block.mapSectorsPerBlock = (int)hfsp.volHead.blockSize / ais.sectorSize;
forkStream fs = new forkStream(new volumeStream(hfsp), new HFSPlusFile(hfsp.volHead.allocationFile, forkStream.forkType.data), forkStream.forkType.data);
block.allocationMap = new byte[(int)fs.Length];
fs.Read(block.allocationMap, 0, (int)fs.Length);
}
else
{
block.allocationMap = null;
}
partitionblocks.Add(block);
}
}
partitionblocks.Sort(CompareBlocksByPosition);
}
private void setFileTreeFromImage(absImageStream i)
{
TreeNode partitionTN = new TreeNode();
fileTree = null;
fileTree = new TreeNode();
switch (i.scheme)
{
case absImageStream.schemeType.GPT:
GPTScheme ps = new GPTScheme(i);
foreach (GPTScheme.entry partition in ps.getValidTable())
{
GPTScheme.partitionType type = ps.findPartitionType(partition);
partitionTN = getVolumeTree(partition, type);
partitionTN.Text = partition.name;
fileTree.Nodes.Add(partitionTN);
}
break;
default:
break;
}
}
private absImageStream accessImage(string imagepath)
{
FileInfo f = new FileInfo(imagepath);
absImageStream ais;
switch (f.Extension)
{
case ".001": case ".dmg":
i = new DDSetStream(imagepath);
ais = new DDSetStream(imagepath);
break;
default:
i = new DDSetStream(imagepath);
ais = new DDSetStream(imagepath);
break;
}
return i;
}
public void getImageContents(string imagepath)
{
i = accessImage(imagepath);
setFileTreeFromImage(i);
fileTree.Text = i.bf.F.Name;
absImageStream.imageProperties tag = new absImageStream.imageProperties();
tag.imagepath = i.bf.F.FullName;
tag.componentSize = i.componentSize;
tag.sectorSize = i.sectorSize;
i.Position = 0;
tag.scheme = i.scheme;
tag.totalSize = i.Length;
if (tag.scheme == absImageStream.schemeType.GPT)
{
tag.entries = new GPTScheme(i);
}
fileTree.Tag = tag;
displayTree = stripFilesFromTree(fileTree);
}
private GPTHeader getHeader(byte[] buffer, absImageStream fileset, GPTHeader theHeader)
{
byte[] findguid = new byte[16];
Array.Copy(buffer, 0x38, findguid, 0, 16);
theHeader.revision = BitConverter.ToInt32(buffer, 0x08);
theHeader.headersize = BitConverter.ToInt32(buffer, 0x0C);
theHeader.headercheck = BitConverter.ToUInt32(buffer, 0x10);
theHeader.mainheader = BitConverter.ToInt64(buffer, 0x18);
theHeader.backupheader = BitConverter.ToInt64(buffer, 0x20);
theHeader.firstlba = BitConverter.ToInt64(buffer, 0x28);
theHeader.lastlba = BitConverter.ToInt64(buffer, 0x30);
theHeader.diskguid = new Guid(findguid);
theHeader.tablestart = BitConverter.ToInt32(buffer, 0x48);
numberofentries = BitConverter.ToInt32(buffer, 0x50);
sizeofentry = BitConverter.ToInt32(buffer, 0x54);
theHeader.tablecheck = BitConverter.ToUInt32(buffer, 0x58);
tablelength = numberofentries * sizeofentry;
return theHeader;
}
public imageMap(absImageStream ais)
{
if (ais.scheme == absImageStream.schemeType.GPT)
{
GPTScheme gpts = new GPTScheme(ais);
mapBlock block = new mapBlock();
block.location = 0;
if (gpts.protectiveMBRExists)
{
block.length = 1;
block.name = "MBR";
block.type = tileType.MBR;
partitionblocks.Add(block);
}
if (gpts.headerFound)
{
block.location = 1;
block.length = 1;
block.name = "GPT Header";
block.type = tileType.GPT;
partitionblocks.Add(block);
block.location = gpts.tablestart;
block.length = gpts.tablelength / ais.sectorSize;
if (block.length < 1)
{
block.length = 1;
}
block.name = "GPT Primary Table";
block.type = tileType.GPT;
partitionblocks.Add(block);
}
if (gpts.backupFound)
{
block.location = gpts.backupHeader.mainheader;
block.length = 1;
block.name = "Backup GPT Header";
block.type = tileType.GPT;
partitionblocks.Add(block);
block.location = gpts.backupHeader.tablestart;
block.length = gpts.tablelength / ais.sectorSize;
if (block.length < 1)
{
block.length = 1;
}
block.name = "GPT Backup Table";
block.type = tileType.GPT;
partitionblocks.Add(block);
}
foreach (GPTScheme.entry entry in gpts.entries)
{
block.location = entry.partStartLBA;
block.length = entry.partLength;
block.name = entry.name;
block.type = tileType.vol_unknown;
if (gpts.findPartitionType(entry) == GPTScheme.partitionType.HFSPlus)
{
HFSPlus hfsp = new HFSPlus(ais, entry);
block.mapSectorsPerBlock = (int)hfsp.volHead.blockSize / ais.sectorSize;
forkStream fs = new forkStream(new volumeStream(hfsp), new HFSPlusFile(hfsp.volHead.allocationFile, forkStream.forkType.data), forkStream.forkType.data);
block.allocationMap = new byte[(int)fs.Length];
fs.Read(block.allocationMap, 0, (int)fs.Length);
}
else
{
block.allocationMap = null;
}
partitionblocks.Add(block);
}
}
partitionblocks.Sort(CompareBlocksByPosition);
}
