public static TaskFunc ProcessNand(string nandDump, NandTasks task)
{
return((Tasker tasker, Object sync) =>
{
return TempHelpers.doWithTempFolder((tempFolder) =>
{
NandTasks[] validTasks = { NandTasks.DumpNand, NandTasks.DumpSystemPartition, NandTasks.DumpUserPartition, NandTasks.FlashSystemPartition, NandTasks.FlashUserPartition };
if (!validTasks.Contains(task))
{
throw new ArgumentOutOfRangeException(Enum.GetName(typeof(NandTasks), task));
}
if (task == NandTasks.FlashSystemPartition || task == NandTasks.FlashUserPartition)
{
var extension = new FileInfo(nandDump).Extension.ToLower();
if (extension == ".gz" || extension == ".tgz" || extension == ".xz" || extension == ".bz2")
{
var tempFilename = Path.Combine(tempFolder, "dump.bin");
using (var extractor = ArchiveFactory.Open(nandDump))
using (var entryStream = extractor.Entries.First().OpenEntryStream())
using (var extractedFile = File.Create(tempFilename))
{
tasker.SetStatus(Resources.ExtractingToTemporaryFolder);
entryStream.CopyTo(extractedFile);
nandDump = tempFilename;
}
}
}
bool isHsqs = false;
bool isExtFs = false;
bool isTar = false;
if (task == NandTasks.FlashSystemPartition && !((isHsqs = Files.CheckFileType.IsSquashFs(nandDump)) || (isExtFs = Files.CheckFileType.IsExtFs(nandDump)) || (isTar = Files.CheckFileType.IsTar(nandDump))))
{
throw new Exception(Properties.Resources.InvalidHsqs);
}
if (task == NandTasks.FlashUserPartition)
{
if (!((isTar = Files.CheckFileType.IsTar(nandDump)) || (isExtFs = Files.CheckFileType.IsExtFs(nandDump))))
{
throw new Exception(Properties.Resources.InvalidUserDataBackup);
}
}
var nandInfo = Sunxi.NandInfo.GetNandInfo();
long partitionSize = 300 * 1024 * 1024;
var splitStream = new SplitterStream(Program.debugStreams);
string rootfsDevice = $"/dev/{nandInfo.GetRootfsPartition().Device}";
string osDecryptedDevice = rootfsDevice;
string userDataDevice = $"/dev/{nandInfo.GetDataPartition().Device}";
bool hasKeyfile = hakchi.Shell.Execute("[ -f /key-file ]") == 0;
if (hasKeyfile)
{
osDecryptedDevice = "/dev/mapper/root-crypt";
}
bool systemIsHsqs = hakchi.Shell.ExecuteSimple($"dd if={osDecryptedDevice} bs=1 count=4", 0) == "HSQS";
switch (task)
{
case NandTasks.DumpSystemPartition:
if (systemIsHsqs)
{
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple($"echo $((($(hexdump -e '1/4 \"%u\"' -s $((0x28)) -n 4 {osDecryptedDevice})+0xfff)/0x1000))", throwOnNonZero: true).Trim()) * 4 * 1024;
}
else
{
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple($"blockdev --getsize64 {osDecryptedDevice}", throwOnNonZero: true));
}
break;
case NandTasks.FlashSystemPartition:
hakchi.Shell.Execute("hakchi umount_base", null, splitStream, splitStream);
hakchi.Shell.Execute("umount /newroot");
if (hasKeyfile)
{
hakchi.Shell.Execute("cryptsetup close root-crypt");
hakchi.Shell.ExecuteSimple($"cryptsetup open {rootfsDevice} root-crypt --type plain --cipher aes-xts-plain --key-file /key-file", 2000, true);
}
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple($"blockdev --getsize64 {osDecryptedDevice}", throwOnNonZero: true));
break;
case NandTasks.DumpUserPartition:
hakchi.Shell.Execute("hakchi mount_base", null, null, null, 0, true);
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("df -B 1 | grep /newroot/var/lib | head -n 1 | awk -e '{print $3 }'", throwOnNonZero: true).Trim());
break;
case NandTasks.FlashUserPartition:
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple($"blockdev --getsize64 {userDataDevice}", throwOnNonZero: true));
break;
case NandTasks.DumpNand:
partitionSize = 536870912;
break;
}
FileMode mode = FileMode.Create;
if (task == NandTasks.FlashUserPartition || task == NandTasks.FlashSystemPartition)
{
mode = FileMode.Open;
}
tasker.SetStatus(mode == FileMode.Open ? Resources.FlashingNand : Resources.DumpingNand);
using (var file = new TrackableFileStream(nandDump, mode, mode == FileMode.Open ? FileAccess.Read : FileAccess.ReadWrite))
{
if (mode == FileMode.Open && file.Length > partitionSize)
{
throw new Exception(Resources.ImageTooLarge);
}
if (mode == FileMode.Create && task != NandTasks.DumpUserPartition && task != NandTasks.DumpSystemPartition)
{
file.SetLength(partitionSize);
}
if (task == NandTasks.DumpUserPartition)
{
file.OnProgress += (long position, long length) =>
{
tasker.OnProgress(Math.Min(position, partitionSize), partitionSize);
};
}
else if (task == NandTasks.DumpSystemPartition && !systemIsHsqs)
{
file.OnProgress += (long position, long length) =>
{
tasker.OnProgress(Math.Min(position, partitionSize) + partitionSize, partitionSize * 2);
};
}
else
{
file.OnProgress += tasker.OnProgress;
}
switch (task)
{
case NandTasks.DumpSystemPartition:
if (systemIsHsqs)
{
Shared.ShellPipe($"dd if={osDecryptedDevice} bs=128K count={(partitionSize / 1024) / 4 }", null, file, throwOnNonZero: true);
}
else
{
Regex mksquashfsProgress = new Regex(@"(\d+)/(\d+)", RegexOptions.Compiled);
using (var mksquashfs = File.OpenRead(Path.Combine(Program.BaseDirectoryInternal, "tools", "mksquashfs")))
{
hakchi.Shell.Execute("cat > /mksquashfs", mksquashfs, throwOnNonZero: true);
hakchi.Shell.Execute("chmod +x /mksquashfs", throwOnNonZero: true);
}
hakchi.Shell.ExecuteSimple("hakchi mount_base");
hakchi.Shell.ExecuteSimple("mkdir -p /tmp/");
using (EventStream mkSquashfsProgress = new EventStream())
{
splitStream.AddStreams(mkSquashfsProgress);
mkSquashfsProgress.OnData += (byte[] buffer) =>
{
string data = Encoding.ASCII.GetString(buffer);
MatchCollection matches = mksquashfsProgress.Matches(data);
if (matches.Count > 0)
{
tasker.SetProgress(long.Parse(matches[matches.Count - 1].Groups[1].Value), long.Parse(matches[matches.Count - 1].Groups[2].Value) * 2);
}
};
hakchi.Shell.Execute("/mksquashfs /newroot/var/squashfs /tmp/rootfs.hsqs", null, splitStream, splitStream, throwOnNonZero: true);
splitStream.RemoveStream(mkSquashfsProgress);
}
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("ls -la /tmp/rootfs.hsqs | awk -e '{ print $5 }'"));
hakchi.Shell.ExecuteSimple("hakchi umount_base");
Shared.ShellPipe("cat /tmp/rootfs.hsqs", stdout: file);
hakchi.Shell.ExecuteSimple("rm /tmp/rootfs.hsqs");
}
break;
case NandTasks.FlashSystemPartition:
if (isTar || (hakchi.IsMdPartitioning && !isExtFs))
{
using (var eventStream = new EventStream())
{
eventStream.OnData += (byte[] data) =>
{
var dataString = Encoding.UTF8.GetString(data).Trim();
tasker.SetStatus(dataString);
Trace.WriteLine(dataString);
};
hakchi.Shell.Execute("mkdir -p /tmp/rootfs /tmp/squashfs", throwOnNonZero: true);
if (isHsqs)
{
Shared.ShellPipe($"dd of=/tmp/squashfs/squash.hsqs bs=128K", file, throwOnNonZero: true);
}
ShellTasks.FormatDevice(osDecryptedDevice)(tasker);
hakchi.Shell.Execute($"mount {osDecryptedDevice} /tmp/rootfs", throwOnNonZero: true);
if (isTar)
{
hakchi.Shell.Execute($"tar -xvf - -C /tmp/rootfs", file, eventStream, null, throwOnNonZero: true);
}
else if (isHsqs)
{
tasker.SetStatus(Resources.FlashingNand);
hakchi.Shell.Execute($"mount /tmp/squashfs/squash.hsqs /tmp/squashfs/", throwOnNonZero: true);
hakchi.Shell.Execute("cd /tmp/squashfs; rsync -av ./ ../rootfs", null, eventStream, eventStream, throwOnNonZero: true);
hakchi.Shell.Execute("umount /tmp/squashfs", throwOnNonZero: true);
hakchi.Shell.Execute("rm -rf /tmp/squashfs", throwOnNonZero: true);
}
hakchi.Shell.Execute("umount /tmp/rootfs", throwOnNonZero: true);
hakchi.Shell.Execute("rmdir /tmp/rootfs", throwOnNonZero: true);
}
}
else
{
Shared.ShellPipe($"dd of={osDecryptedDevice} bs=128K", file, throwOnNonZero: true);
}
if (hasKeyfile)
{
hakchi.Shell.Execute("cryptsetup close root-crypt", throwOnNonZero: true);
}
break;
case NandTasks.DumpUserPartition:
Shared.ShellPipe($"tar -cvC /newroot/var/lib/ .", null, file, null, throwOnNonZero: true);
break;
case NandTasks.FlashUserPartition:
if (isTar)
{
hakchi.Shell.Execute("hakchi mount_base", null, null, null, 0, true);
hakchi.Shell.Execute("rm -rf /newroot/var/lib/*", null, null, null, 0, true);
hakchi.Shell.Execute("tar -xvC /newroot/var/lib/", file, throwOnNonZero: true);
}
else
{
Shared.ShellPipe($"dd of={userDataDevice} bs=128K", file, throwOnNonZero: true);
}
break;
case NandTasks.DumpNand:
hakchi.Shell.Execute("hakchi umount_base", null, splitStream, splitStream, 0, true);
Shared.ShellPipe("sntool sunxi_flash phy_read 0", null, file, throwOnNonZero: true);
break;
}
file.Close();
}
tasker.SetStatus(Resources.Done);
tasker.SetProgress(1, 1);
return Conclusion.Success;
});
});
}
public static TaskFunc ProcessNand(string nandDump, NandTasks task)
{
return((Tasker tasker, Object sync) =>
{
NandTasks[] validTasks = { NandTasks.DumpNand, NandTasks.DumpNandB, NandTasks.DumpNandC, NandTasks.FlashNandB, NandTasks.FlashNandC, NandTasks.FormatNandC };
if (!validTasks.Contains(task))
{
throw new ArgumentOutOfRangeException("task");
}
if (task == NandTasks.FlashNandB && !Files.CheckFileType.IsSquashFs(nandDump))
{
throw new Exception(Properties.Resources.InvalidHsqs);
}
bool isTar = false;
if (task == NandTasks.FlashNandC)
{
isTar = Files.CheckFileType.IsTar(nandDump);
if (!(isTar || Files.CheckFileType.IsExtFs(nandDump)))
{
throw new Exception(Properties.Resources.InvalidUserDataBackup);
}
}
long partitionSize = 300 * 1024 * 1024;
var splitStream = new SplitterStream(Program.debugStreams);
switch (task)
{
case NandTasks.DumpNandB:
case NandTasks.FlashNandB:
hakchi.Shell.Execute("umount /newroot");
hakchi.Shell.Execute("cryptsetup close root-crypt");
hakchi.Shell.ExecuteSimple("cryptsetup open /dev/nandb root-crypt --type plain --cipher aes-xts-plain --key-file /key-file", 2000, true);
if (task == NandTasks.DumpNandB)
{
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("echo $((($(hexdump -e '1/4 \"%u\"' -s $((0x28)) -n 4 /dev/mapper/root-crypt)+0xfff)/0x1000))", throwOnNonZero: true).Trim()) * 4 * 1024;
}
if (task == NandTasks.FlashNandB)
{
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("blockdev --getsize64 /dev/mapper/root-crypt", throwOnNonZero: true));
}
break;
case NandTasks.DumpNandC:
hakchi.Shell.Execute("hakchi mount_base", null, null, null, 0, true);
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("df -B 1 | grep /newroot/var/lib | head -n 1 | awk -e '{print $3 }'", throwOnNonZero: true).Trim());
break;
case NandTasks.FlashNandC:
partitionSize = long.Parse(hakchi.Shell.ExecuteSimple("blockdev --getsize64 /dev/nandc", throwOnNonZero: true));
break;
case NandTasks.DumpNand:
partitionSize = 536870912;
break;
case NandTasks.FormatNandC:
hakchi.Shell.Execute("cat > /bin/mke2fs; chmod +x /bin/mke2fs", File.OpenRead(Shared.PathCombine(Program.BaseDirectoryInternal, "tools", "arm", "mke2fs.static")), null, null, 0, true);
hakchi.Shell.Execute("hakchi umount_base", null, splitStream, splitStream);
hakchi.Shell.Execute("yes | mke2fs -t ext4 -L data -b 4K -E stripe-width=32 -O ^huge_file,^metadata_csum /dev/nandc", null, splitStream, splitStream, 0, true);
hakchi.Shell.Execute("rm /bin/mke2fs");
return Conclusion.Success;
}
FileMode mode = FileMode.Create;
if (task == NandTasks.FlashNandC || task == NandTasks.FlashNandB)
{
mode = FileMode.Open;
}
tasker.SetStatus(mode == FileMode.Open ? Resources.FlashingNand : Resources.DumpingNand);
using (var file = new TrackableFileStream(nandDump, mode))
{
if (mode == FileMode.Open && file.Length > partitionSize)
{
throw new Exception(Resources.ImageTooLarge);
}
if (mode == FileMode.Create && task != NandTasks.DumpNandC)
{
file.SetLength(partitionSize);
}
if (task == NandTasks.DumpNandC)
{
file.OnProgress += (long position, long length) =>
{
tasker.OnProgress(Math.Min(position, partitionSize), partitionSize);
};
}
else
{
file.OnProgress += tasker.OnProgress;
}
switch (task)
{
case NandTasks.DumpNandB:
Shared.ShellPipe($"dd if=/dev/mapper/root-crypt bs=128K count={(partitionSize / 1024) / 4 }", null, file, throwOnNonZero: true);
break;
case NandTasks.FlashNandB:
Shared.ShellPipe("dd of=/dev/mapper/root-crypt bs=128K", file, throwOnNonZero: true);
hakchi.Shell.Execute("cryptsetup close root-crypt", throwOnNonZero: true);
break;
case NandTasks.DumpNandC:
Shared.ShellPipe($"tar -cvC /newroot/var/lib/ .", null, file, null, throwOnNonZero: true);
break;
case NandTasks.FlashNandC:
if (isTar)
{
hakchi.Shell.Execute("hakchi mount_base", null, null, null, 0, true);
hakchi.Shell.Execute("rm -rf /newroot/var/lib/*", null, null, null, 0, true);
hakchi.Shell.Execute("tar -xvC /newroot/var/lib/", file, throwOnNonZero: true);
}
else
{
Shared.ShellPipe("dd of=/dev/nandc bs=128K", file, throwOnNonZero: true);
}
break;
case NandTasks.DumpNand:
Shared.ShellPipe("sntool sunxi_flash phy_read 0 1000", null, file, throwOnNonZero: true);
break;
}
file.Close();
}
tasker.SetStatus(Resources.Done);
tasker.SetProgress(1, 1);
return Conclusion.Success;
});
}
