mirror of
https://github.com/ReneLergner/WPinternals.git
synced 2026-06-14 03:16:40 +10:00
Gustave Monce
455 lines
22 KiB
C#
455 lines
22 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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using System.Threading.Tasks;
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namespace WPinternals
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{
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internal class LumiaV3FlashRomViewModel : ContextViewModel
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{
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private static void RoundUpToChunks(Stream stream, UInt32 chunkSize)
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{
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Int64 Size = stream.Length;
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if ((Size % chunkSize) > 0)
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{
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Int64 padding = (UInt32)(((Size / chunkSize) + 1) * chunkSize) - Size;
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stream.Write(new byte[padding], 0, (Int32)padding);
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}
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}
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internal class ImageHeader
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{
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public UInt32 Size = 24;
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public string Signature = "ImageFlash ";
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public UInt32 ManifestLength;
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public UInt32 ChunkSize = 128;
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}
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public class StoreHeader
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{
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public UInt32 UpdateType = 0; // Full update
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public UInt16 MajorVersion = 1;
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public UInt16 MinorVersion = 0;
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public UInt16 FullFlashMajorVersion = 2;
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public UInt16 FullFlashMinorVersion = 0;
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// Size is 0xC0
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public string PlatformId;
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public UInt32 BlockSizeInBytes = 131072;
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public UInt32 WriteDescriptorCount;
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public UInt32 WriteDescriptorLength;
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public UInt32 ValidateDescriptorCount = 0;
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public UInt32 ValidateDescriptorLength = 0;
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public UInt32 InitialTableIndex = 0;
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public UInt32 InitialTableCount = 0;
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public UInt32 FlashOnlyTableIndex = 0; // Should be the index of the critical partitions, but for now we don't implement that
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public UInt32 FlashOnlyTableCount = 1;
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public UInt32 FinalTableIndex; //= WriteDescriptorCount - FinalTableCount;
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public UInt32 FinalTableCount = 0;
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}
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public class SecurityHeader
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{
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public UInt32 Size = 32;
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public string Signature = "SignedImage ";
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public UInt32 ChunkSizeInKb = 128;
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public UInt32 HashAlgorithm = 32780; // SHA256 algorithm id
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public UInt32 CatalogSize;
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public UInt32 HashTableSize;
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}
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internal class ManifestIni
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{
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internal static string BuildUpManifest(FullFlash fullFlash, Store store)
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{
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string Manifest = "[FullFlash]\r\n";
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if (!string.IsNullOrEmpty(fullFlash.AntiTheftVersion))
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Manifest += "AntiTheftVersion = " + fullFlash.AntiTheftVersion + "\r\n";
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if (!string.IsNullOrEmpty(fullFlash.OSVersion))
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Manifest += "OSVersion = " + fullFlash.OSVersion + "\r\n";
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if (!string.IsNullOrEmpty(fullFlash.Description))
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Manifest += "Description = " + fullFlash.Description + "\r\n";
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if (!string.IsNullOrEmpty(fullFlash.Version))
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Manifest += "Version = " + fullFlash.Version + "\r\n";
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if (!string.IsNullOrEmpty(fullFlash.DevicePlatformId0))
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Manifest += "DevicePlatformId0 = " + fullFlash.DevicePlatformId0 + "\r\n";
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Manifest += "\r\n[Store]\r\n";
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Manifest += "SectorSize = " + store.SectorSize + "\r\n";
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Manifest += "MinSectorCount = " + store.MinSectorCount + "\r\n";
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Manifest += "\r\n";
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return Manifest;
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}
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}
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internal class FullFlash
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{
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public string AntiTheftVersion = "1.1"; // Allow flashing on all devices
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public string OSVersion;
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public string Description = "Update on: " + DateTime.Now.ToString("u") + "::\r\n";
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public string Version = "2.0";
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public string DevicePlatformId0;
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}
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internal class Store
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{
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public UInt32 SectorSize;
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public UInt32 MinSectorCount;
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}
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// V3 exploit
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// Magic
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//
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private static byte[] GenerateCatalogFile(byte[] hashData)
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{
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byte[] catalog_first_part = new byte[] { 0x30, 0x82, 0x01, 0x44, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x07, 0x02, 0xA0, 0x82, 0x01, 0x35, 0x30, 0x82, 0x01, 0x31, 0x02, 0x01, 0x01, 0x31, 0x00, 0x30, 0x82, 0x01, 0x26, 0x06, 0x09, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x0A, 0x01, 0xA0, 0x82, 0x01, 0x17, 0x30, 0x82, 0x01, 0x13, 0x30, 0x0C, 0x06, 0x0A, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x0C, 0x01, 0x01, 0x04, 0x10, 0xA8, 0xCA, 0xD9, 0x7D, 0xBF, 0x6D, 0x67, 0x4D, 0xB1, 0x4D, 0x62, 0xFB, 0xE6, 0x26, 0x22, 0xD4, 0x17, 0x0D, 0x32, 0x30, 0x30, 0x31, 0x31, 0x30, 0x31, 0x32, 0x31, 0x32, 0x32, 0x37, 0x5A, 0x30, 0x0E, 0x06, 0x0A, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x0C, 0x01, 0x02, 0x05, 0x00, 0x30, 0x81, 0xD1, 0x30, 0x81, 0xCE, 0x04, 0x1E, 0x48, 0x00, 0x61, 0x00, 0x73, 0x00, 0x68, 0x00, 0x54, 0x00, 0x61, 0x00, 0x62, 0x00, 0x6C, 0x00, 0x65, 0x00, 0x2E, 0x00, 0x62, 0x00, 0x6C, 0x00, 0x6F, 0x00, 0x62, 0x00, 0x00, 0x00, 0x31, 0x81, 0xAB, 0x30, 0x45, 0x06, 0x0A, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x04, 0x31, 0x37, 0x30, 0x35, 0x30, 0x10, 0x06, 0x0A, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x02, 0x01, 0x19, 0xA2, 0x02, 0x80, 0x00, 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2B, 0x0E, 0x03, 0x02, 0x1A, 0x05, 0x00, 0x04, 0x14 };
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byte[] catalog_second_part = new byte[] { 0x30, 0x62, 0x06, 0x0A, 0x2B, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x0C, 0x02, 0x02, 0x31, 0x54, 0x30, 0x52, 0x1E, 0x4C, 0x00, 0x7B, 0x00, 0x44, 0x00, 0x45, 0x00, 0x33, 0x00, 0x35, 0x00, 0x31, 0x00, 0x41, 0x00, 0x34, 0x00, 0x32, 0x00, 0x2D, 0x00, 0x38, 0x00, 0x45, 0x00, 0x35, 0x00, 0x39, 0x00, 0x2D, 0x00, 0x31, 0x00, 0x31, 0x00, 0x44, 0x00, 0x30, 0x00, 0x2D, 0x00, 0x38, 0x00, 0x43, 0x00, 0x34, 0x00, 0x37, 0x00, 0x2D, 0x00, 0x30, 0x00, 0x30, 0x00, 0x43, 0x00, 0x30, 0x00, 0x34, 0x00, 0x46, 0x00, 0x43, 0x00, 0x32, 0x00, 0x39, 0x00, 0x35, 0x00, 0x45, 0x00, 0x45, 0x00, 0x7D, 0x02, 0x02, 0x02, 0x00, 0x31, 0x00 };
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byte[] hash = new SHA1Managed().ComputeHash(hashData);
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byte[] catalog = new byte[catalog_first_part.Length + hash.Length + catalog_second_part.Length];
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Buffer.BlockCopy(catalog_first_part, 0, catalog, 0, catalog_first_part.Length);
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Buffer.BlockCopy(hash, 0, catalog, catalog_first_part.Length, hash.Length);
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Buffer.BlockCopy(catalog_second_part, 0, catalog, catalog_first_part.Length + hash.Length, catalog_second_part.Length);
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return catalog;
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}
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// V3 exploit
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// Magic
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//
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internal async static Task LumiaV3CustomFlash(PhoneNotifierViewModel Notifier, List<FlashPart> FlashParts, bool CheckSectorAlignment = true, SetWorkingStatus SetWorkingStatus = null, UpdateWorkingStatus UpdateWorkingStatus = null, ExitSuccess ExitSuccess = null, ExitFailure ExitFailure = null)
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{
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if (SetWorkingStatus == null) SetWorkingStatus = (m, s, v, a, st) => { };
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if (UpdateWorkingStatus == null) UpdateWorkingStatus = (m, s, v, st) => { };
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if (ExitSuccess == null) ExitSuccess = (m, s) => { };
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if (ExitFailure == null) ExitFailure = (m, s) => { };
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uint chunkSize = 131072u;
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int chunkSizes = 131072;
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if (FlashParts != null)
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{
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foreach (FlashPart Part in FlashParts)
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{
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if (Part.Stream == null)
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throw new ArgumentException("Stream is null");
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if (!Part.Stream.CanSeek)
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throw new ArgumentException("Streams must be seekable");
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if (((Part.StartSector * 0x200) % chunkSize) != 0)
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throw new ArgumentException("Invalid StartSector alignment");
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if (CheckSectorAlignment)
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{
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if ((Part.Stream.Length % chunkSize) != 0)
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throw new ArgumentException("Invalid Data length");
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}
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}
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}
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try
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{
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NokiaFlashModel Model = (NokiaFlashModel)Notifier.CurrentModel;
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PhoneInfo Info = Model.ReadPhoneInfo();
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if ((Info.SecureFfuSupportedProtocolMask & ((ushort)FfuProtocol.ProtocolSyncV2)) == 0) // Exploit needs protocol v2 -> This check is not conclusive, because old phones also report support for this protocol, although it is really not supported.
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throw new WPinternalsException("Flash failed!", "Protocols not supported. The phone reports that it does not support the Protocol Sync V2.");
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if (Info.FlashAppProtocolVersionMajor < 2) // Old phones do not support the hack. These phones have Flash protocol 1.x.
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throw new WPinternalsException("Flash failed!", "Protocols not supported. The phone reports that Flash App communication protocol is lower than 2. Reported version by the phone: " + Info.FlashAppProtocolVersionMajor + ".");
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if (Info.UefiSecureBootEnabled)
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throw new WPinternalsException("Flash failed!", "UEFI Secureboot must be disabled for the Flash V3 exploit to work.");
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// The payloads must be ordered by the number of locations
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//
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// FlashApp processes payloads like this:
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// - First payloads which are with one location, those can be sent in bulk
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// - Then payloads with more than one location, those should not be sent in bulk
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//
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// If you do not order payloads like this, you will get an error, most likely hash mismatch
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//
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LumiaV2UnlockBootViewModel.FlashingPayload[] payloads = new LumiaV2UnlockBootViewModel.FlashingPayload[0];
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if (FlashParts != null)
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{
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payloads = LumiaV2UnlockBootViewModel.GetNonOptimizedPayloads(FlashParts, chunkSizes, (uint)(Info.WriteBufferSize / chunkSize), SetWorkingStatus, UpdateWorkingStatus).OrderBy(x => x.TargetLocations.Count()).ToArray();
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}
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MemoryStream Headerstream1 = new MemoryStream();
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// ==============================
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// Header 1 start
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ImageHeader image = new ImageHeader();
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FullFlash ffimage = new FullFlash();
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Store simage = new Store();
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// Todo make this read the image itself
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ffimage.OSVersion = "10.0.11111.0";
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ffimage.DevicePlatformId0 = Info.PlatformID;
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ffimage.AntiTheftVersion = "1.1";
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simage.SectorSize = 512;
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simage.MinSectorCount = Info.EmmcSizeInSectors;
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//Logging.Log("Generating image manifest...");
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string manifest = ManifestIni.BuildUpManifest(ffimage, simage);//, partitions);
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byte[] TextBytes = System.Text.Encoding.ASCII.GetBytes(manifest);
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image.ManifestLength = (UInt32)TextBytes.Length;
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byte[] ImageHeaderBuffer = new byte[0x18];
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ByteOperations.WriteUInt32(ImageHeaderBuffer, 0, image.Size);
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ByteOperations.WriteAsciiString(ImageHeaderBuffer, 0x04, image.Signature);
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ByteOperations.WriteUInt32(ImageHeaderBuffer, 0x10, image.ManifestLength);
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ByteOperations.WriteUInt32(ImageHeaderBuffer, 0x14, image.ChunkSize);
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Headerstream1.Write(ImageHeaderBuffer, 0, 0x18);
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Headerstream1.Write(TextBytes, 0, TextBytes.Length);
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RoundUpToChunks(Headerstream1, chunkSize);
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// Header 1 stop + round
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// ==============================
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MemoryStream Headerstream2 = new MemoryStream();
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// ==============================
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// Header 2 start
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StoreHeader store = new StoreHeader();
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store.WriteDescriptorCount = (UInt32)payloads.Count();
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store.FinalTableIndex = (UInt32)payloads.Count() - store.FinalTableCount;
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store.PlatformId = Info.PlatformID;
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foreach (LumiaV2UnlockBootViewModel.FlashingPayload payload in payloads)
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{
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store.WriteDescriptorLength += payload.GetStoreHeaderSize();
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}
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byte[] GPTChunk = LumiaUnlockBootloaderViewModel.GetGptChunk(Model, 0x20000);
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GPT GPT = new GPT(GPTChunk);
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UInt64 PlatEnd = 0;
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if (GPT.Partitions.Any(x => x.Name == "PLAT"))
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{
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PlatEnd = GPT.GetPartition("PLAT").LastSector;
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}
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foreach (LumiaV2UnlockBootViewModel.FlashingPayload payload in payloads)
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{
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if (payload.TargetLocations.First() > PlatEnd)
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break;
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store.FlashOnlyTableIndex += 1;
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}
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byte[] StoreHeaderBuffer = new byte[0xF8];
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0, store.UpdateType);
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ByteOperations.WriteUInt16(StoreHeaderBuffer, 0x04, store.MajorVersion);
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ByteOperations.WriteUInt16(StoreHeaderBuffer, 0x06, store.MinorVersion);
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ByteOperations.WriteUInt16(StoreHeaderBuffer, 0x08, store.FullFlashMajorVersion);
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ByteOperations.WriteUInt16(StoreHeaderBuffer, 0x0A, store.FullFlashMinorVersion);
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ByteOperations.WriteAsciiString(StoreHeaderBuffer, 0x0C, store.PlatformId);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xCC, store.BlockSizeInBytes);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xD0, store.WriteDescriptorCount);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xD4, store.WriteDescriptorLength);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xD8, store.ValidateDescriptorCount);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xDC, store.ValidateDescriptorLength);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xE0, store.InitialTableIndex);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xE4, store.InitialTableCount);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xE8, store.FlashOnlyTableIndex);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xEC, store.FlashOnlyTableCount);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xF0, store.FinalTableIndex);
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ByteOperations.WriteUInt32(StoreHeaderBuffer, 0xF4, store.FinalTableCount);
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Headerstream2.Write(StoreHeaderBuffer, 0, 0xF8);
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byte[] descriptorsBuffer = new byte[store.WriteDescriptorLength];
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UInt32 NewWriteDescriptorOffset = 0;
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foreach (LumiaV2UnlockBootViewModel.FlashingPayload payload in payloads)
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{
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ByteOperations.WriteUInt32(descriptorsBuffer, NewWriteDescriptorOffset + 0x00, (UInt32)payload.TargetLocations.Count()); // Location count
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ByteOperations.WriteUInt32(descriptorsBuffer, NewWriteDescriptorOffset + 0x04, payload.ChunkCount); // Chunk count
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NewWriteDescriptorOffset += 0x08;
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foreach (UInt32 location in payload.TargetLocations)
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{
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ByteOperations.WriteUInt32(descriptorsBuffer, NewWriteDescriptorOffset + 0x00, 0x00000000); // Disk access method (0 = Begin, 2 = End)
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ByteOperations.WriteUInt32(descriptorsBuffer, NewWriteDescriptorOffset + 0x04, location); // Chunk index
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NewWriteDescriptorOffset += 0x08;
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}
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}
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Headerstream2.Write(descriptorsBuffer, 0, (Int32)store.WriteDescriptorLength);
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RoundUpToChunks(Headerstream2, chunkSize);
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// Header 2 stop + round
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// ==============================
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SecurityHeader security = new SecurityHeader();
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Headerstream1.Seek(0, SeekOrigin.Begin);
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Headerstream2.Seek(0, SeekOrigin.Begin);
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security.HashTableSize = 0x20 * (UInt32)((Headerstream1.Length + Headerstream2.Length) / chunkSize);
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foreach (LumiaV2UnlockBootViewModel.FlashingPayload payload in payloads)
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{
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security.HashTableSize += payload.GetSecurityHeaderSize();
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}
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byte[] HashTable = new byte[security.HashTableSize];
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BinaryWriter bw = new BinaryWriter(new MemoryStream(HashTable));
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SHA256 crypto = SHA256.Create();
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for (Int32 i = 0; i < Headerstream1.Length / chunkSize; i++)
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{
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byte[] buffer = new byte[chunkSize];
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Headerstream1.Read(buffer, 0, (Int32)chunkSize);
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byte[] hash = crypto.ComputeHash(buffer);
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bw.Write(hash, 0, hash.Length);
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}
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for (Int32 i = 0; i < Headerstream2.Length / chunkSize; i++)
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{
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byte[] buffer = new byte[chunkSize];
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Headerstream2.Read(buffer, 0, (Int32)chunkSize);
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byte[] hash = crypto.ComputeHash(buffer);
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bw.Write(hash, 0, hash.Length);
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}
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foreach (LumiaV2UnlockBootViewModel.FlashingPayload payload in payloads)
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{
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bw.Write(payload.ChunkHashes[0], 0, payload.ChunkHashes[0].Length);
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}
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bw.Close();
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//Logging.Log("Generating image catalog...");
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byte[] catalog = GenerateCatalogFile(HashTable);
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security.CatalogSize = (UInt32)catalog.Length;
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byte[] SecurityHeaderBuffer = new byte[0x20];
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ByteOperations.WriteUInt32(SecurityHeaderBuffer, 0, security.Size);
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ByteOperations.WriteAsciiString(SecurityHeaderBuffer, 0x04, security.Signature);
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ByteOperations.WriteUInt32(SecurityHeaderBuffer, 0x10, security.ChunkSizeInKb);
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ByteOperations.WriteUInt32(SecurityHeaderBuffer, 0x14, security.HashAlgorithm);
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ByteOperations.WriteUInt32(SecurityHeaderBuffer, 0x18, security.CatalogSize);
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ByteOperations.WriteUInt32(SecurityHeaderBuffer, 0x1C, security.HashTableSize);
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MemoryStream retstream = new MemoryStream();
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retstream.Write(SecurityHeaderBuffer, 0, 0x20);
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retstream.Write(catalog, 0, (Int32)security.CatalogSize);
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retstream.Write(HashTable, 0, (Int32)security.HashTableSize);
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RoundUpToChunks(retstream, chunkSize);
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Headerstream1.Seek(0, SeekOrigin.Begin);
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Headerstream2.Seek(0, SeekOrigin.Begin);
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byte[] buff = new byte[Headerstream1.Length];
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Headerstream1.Read(buff, 0, (Int32)Headerstream1.Length);
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Headerstream1.Close();
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retstream.Write(buff, 0, buff.Length);
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buff = new byte[Headerstream2.Length];
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Headerstream2.Read(buff, 0, (Int32)Headerstream2.Length);
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Headerstream2.Close();
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retstream.Write(buff, 0, buff.Length);
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// --------
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// Go back to the beginning
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retstream.Seek(0, SeekOrigin.Begin);
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byte[] FfuHeader = new byte[retstream.Length];
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await retstream.ReadAsync(FfuHeader, 0, (Int32)retstream.Length);
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retstream.Close();
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Byte Options = 0;
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if (!Info.IsBootloaderSecure)
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Options = (Byte)((FlashOptions)Options | FlashOptions.SkipSignatureCheck);
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LogFile.Log("Flash in progress...", LogType.ConsoleOnly);
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SetWorkingStatus("Flashing...", null, (UInt64?)payloads.Count(), Status: WPinternalsStatus.Flashing);
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Model.SendFfuHeaderV1(FfuHeader, Options);
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|
UInt64 counter = 0;
|
|
Int32 numberOfPayloadsToSendAtOnce = 1;
|
|
if ((Info.SecureFfuSupportedProtocolMask & (UInt16)FfuProtocol.ProtocolSyncV2) != 0)
|
|
{
|
|
numberOfPayloadsToSendAtOnce = (Int32)Math.Round((Double)Info.WriteBufferSize / chunkSize);
|
|
}
|
|
|
|
byte[] payloadBuffer;
|
|
|
|
for (Int32 i = 0; i < payloads.Count(); i+= numberOfPayloadsToSendAtOnce)
|
|
{
|
|
if (i + numberOfPayloadsToSendAtOnce - 1 >= payloads.Count())
|
|
{
|
|
numberOfPayloadsToSendAtOnce = payloads.Count() - i;
|
|
}
|
|
|
|
payloadBuffer = new byte[numberOfPayloadsToSendAtOnce * chunkSizes];
|
|
|
|
string ProgressText = "Flashing resources";
|
|
|
|
for (Int32 j = 0; j < numberOfPayloadsToSendAtOnce; j++)
|
|
{
|
|
LumiaV2UnlockBootViewModel.FlashingPayload payload = payloads[i + j];
|
|
|
|
UInt32 StreamIndex = payload.StreamIndexes.First();
|
|
FlashPart flashPart = FlashParts[(Int32)StreamIndex];
|
|
|
|
if (flashPart.ProgressText != null)
|
|
ProgressText = flashPart.ProgressText;
|
|
|
|
Stream Stream = flashPart.Stream;
|
|
Stream.Seek(payload.StreamLocations.First(), SeekOrigin.Begin);
|
|
Stream.Read(payloadBuffer, j * chunkSizes, chunkSizes);
|
|
counter++;
|
|
}
|
|
|
|
if ((Info.SecureFfuSupportedProtocolMask & (ushort)FfuProtocol.ProtocolSyncV2) != 0)
|
|
{
|
|
Model.SendFfuPayloadV2(payloadBuffer, Int32.Parse((counter * 100 / (UInt64)payloads.Count()).ToString()));
|
|
}
|
|
else
|
|
{
|
|
Model.SendFfuPayloadV1(payloadBuffer, Int32.Parse((counter * 100 / (UInt64)payloads.Count()).ToString()));
|
|
}
|
|
|
|
UpdateWorkingStatus(ProgressText, null, counter, WPinternalsStatus.Flashing);
|
|
}
|
|
|
|
Model.ResetPhone();
|
|
|
|
await Notifier.WaitForRemoval();
|
|
|
|
ExitSuccess("Flash succeeded!", null);
|
|
}
|
|
catch
|
|
{
|
|
throw new WPinternalsException("Custom flash failed");
|
|
}
|
|
}
|
|
}
|
|
}
|