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Add time zone logic and basic logging
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@Ernegien
Ernegien committed Nov 13, 2020
1 parent 7f18941 commit d263bb0
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Showing 10 changed files with 674 additions and 189 deletions.
8 changes: 4 additions & 4 deletions XboxEepromEditor/App.config
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8" ?>
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<startup>
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
</startup>
</configuration>

<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2"/></startup>
</configuration>
152 changes: 140 additions & 12 deletions XboxEepromEditor/Eeprom.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,10 +3,12 @@
using System.IO;
using System.Net;
using System.Text;
using System.Linq;
using System.Text.RegularExpressions;
using XboxEepromEditor.Cryptography;
using XboxEepromEditor.Extensions;
using XboxEepromEditor.Types;
using Serilog;

namespace XboxEepromEditor
{
Expand All @@ -19,6 +21,83 @@ public class Eeprom
private BinaryReader Reader { get; set; }
private BinaryWriter Writer { get; set; }

private readonly (XboxTimeZone Zone, string Data)[] _timeZoneMappings = new (XboxTimeZone Zone, string Data)[]
{
(XboxTimeZone.Samoa, "940200004E5400004E5400000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Hawaii, "5802000048535400485354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Alaska, "1C020000595354005944540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Pacific, "E0010000505354005044540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Mountain, "A40100004D5354004D53540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Arizona, "A40100004D5354004D5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Saskatchewan, "6801000043435354434353540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.MexicoCity, "680100004D5354004D44540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Central, "68010000435354004344540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.CentralAmerica, "6801000043415354434153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Indiana, "2C01000045535400455354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Eastern, "2C010000455354004544540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Bogota, "2C01000053505354535053540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Santiago, "F000000050535354505344540000000000000000030206000A020600000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Caracas, "F000000053575354535753540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Atlantic, "F0000000415354004144540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Greenland, "B4000000475354004744540000000000000000000A05000204010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.BuenosAires, "B400000053455354534553540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Brasilia, "B400000045535354455344540000000000000000020200020A030002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.MidAtlantic, "780000004D4153544D41445400000000000000000905000203050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.CapeVerdeIslands, "3C00000057415400574154000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Azores, "3C000000415354004144540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Casablanca, "0000000047535400475354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.London, "00000000474D54004253540000000000000000000A05000203050001000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Belgrade, "C4FFFFFF434553544345445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Berlin, "C4FFFFFF574553545745445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Paris, "C4FFFFFF525354005244540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Sarajevo, "C4FFFFFF534353545343445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.WestCentralAfrica, "C4FFFFFF57415354574153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Athens, "88FFFFFF475453544754445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Bucharest, "88FFFFFF454553544545445400000000000000000905000103050000000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Cairo, "88FFFFFF455354004544540000000000000000000905030205010502000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Helsinki, "88FFFFFF464C5354464C445400000000000000000A05000403050003000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Jerusalem, "88FFFFFF4A5354004A5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Pretoria, "88FFFFFF53415354534153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Baghdad, "4CFFFFFF415354004144540000000000000000000A01000404010003000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Kuwait, "4CFFFFFF41535400415354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Moscow, "4CFFFFFF525354005244540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Nairobi, "4CFFFFFF45415354454153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.AbuDhabi, "10FFFFFF41535400415354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Baku, "10FFFFFF435354004344540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Ekaterinburg, "D4FEFFFF455354004544540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Islamabad, "D4FEFFFF57415354574153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Almaty, "98FEFFFF4E4353544E43445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Dhaka, "98FEFFFF43415354434153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Srilanka, "98FEFFFF53525354535253540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Bangkok, "5CFEFFFF53415354534153540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Krasnoyarsk, "5CFEFFFF4E4153544E41445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Beijing, "20FEFFFF43535400435354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Irkutsk, "20FEFFFF4E4553544E45445400000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Perth, "20FEFFFF41575354415753540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Singapore, "20FEFFFF4D5053544D5053540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Taipei, "20FEFFFF54535400545354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Seoul, "E4FDFFFF4B5354004B5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Tokyo, "E4FDFFFF54535400545354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Yakutsk, "E4FDFFFF595354005944540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Brisbane, "A8FDFFFF41455354414553540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Guam, "A8FDFFFF57505354575053540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Hobart, "A8FDFFFF54535400544454000000000000000000030500020A010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Sydney, "A8FDFFFF41455354414544540000000000000000030500020A050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Vladivostok, "A8FDFFFF565354005644540000000000000000000A05000303050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.SolomonIslands, "6CFDFFFF43505354435053540000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Auckland, "30FDFFFF4E5A53544E5A44540000000000000000030300020A010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.FijiIslands, "30FDFFFF46535400465354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Nukualofa, "F4FCFFFF54535400545354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Kiribati, "B8FCFFFF4B5354004B5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Tehran, "2EFFFFFF495354004944540000000000000000000904020203010002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Kabul, "F2FEFFFF41535400415354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.NewDelhi, "B6FEFFFF49535400495354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Kathmandu, "A7FEFFFF4E5354004E5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Yangon, "7AFEFFFF4D5354004D5354000000000000000000000000000000000000000000000000000000000000000000"),
(XboxTimeZone.Adelaide, "C6FDFFFF41435354414344540000000000000000030500020A050002000000000000000000000000C4FFFFFF"),
(XboxTimeZone.Darwin, "C6FDFFFF41435354414353540000000000000000000000000000000000000000000000000000000000000000")
};

public EepromVersion Version { get; set; } = EepromVersion.Unknown;

#region Security Section
Expand Down Expand Up @@ -223,6 +302,9 @@ public VideoStandard VideoStandard
}
set
{
if (value == VideoStandard.Unknown)
return;

Stream.Position = 0x58;
Writer.Write((uint)value);
}
Expand Down Expand Up @@ -266,6 +348,37 @@ private set // this shouldn't be set directly by the user
}
}

/// <summary>
/// The time zone as determined by data offset range 0x64 to 0x90.
/// </summary>
public XboxTimeZone TimeZone
{
get
{
try
{
Stream.Position = 0x64;
var data = Reader.ReadBytes(0x2C);
return _timeZoneMappings.First(m => m.Data.FromHexStringToBytes().IsEqual(data)).Zone;
}
catch
{
return XboxTimeZone.Unknown;
}
}
set
{
if (value == XboxTimeZone.Unknown)
return;

Stream.Position = 0x64;

var mapping = _timeZoneMappings.First(m => m.Zone == value);
byte[] data = _timeZoneMappings.First(m => m.Zone == value).Data.FromHexStringToBytes();
Writer.Write(data);
}
}

/// <summary>
/// The time zone negative offset in minutes relative to GMT.
/// </summary>
Expand Down Expand Up @@ -443,6 +556,9 @@ public Language Language
}
set
{
if (value == Language.Unknown)
return;

Stream.Position = 0x90;
Writer.Write((uint)value);
}
Expand Down Expand Up @@ -494,6 +610,9 @@ public GameRating ParentalControlGameRating
}
set
{
if (value == GameRating.Unknown)
return;

Stream.Position = 0x9C;
Writer.Write((uint)value);
}
Expand Down Expand Up @@ -529,6 +648,9 @@ public MovieRating ParentalControlMovieRating
}
set
{
if (value == MovieRating.Unknown)
return;

Stream.Position = 0xA4;
Writer.Write((uint)value);
}
Expand Down Expand Up @@ -610,6 +732,7 @@ public IPAddress LiveSubnet
}
}

// TODO: 2 = DST off, otherwise auto
/// <summary>
/// Example values: 0x4, 0x8, 0x9, 0xA, 0xC, 0xF
/// </summary>
Expand Down Expand Up @@ -639,6 +762,9 @@ public DvdPlaybackZone DvdPlaybackZone
}
set
{
if (value == DvdPlaybackZone.Unknown)
return;

Stream.Position = 0xBC;
Writer.Write((uint)value);
}
Expand Down Expand Up @@ -747,6 +873,9 @@ public Eeprom(byte[] data)

// set the detected version
Version = version;

// save a backup in the logs
Log.Information("Open EEPROM {0}", data.ToHexString());
break;
}

Expand All @@ -766,6 +895,7 @@ public Eeprom(EepromVersion version = EepromVersion.RetailFirst) :
Region = Region.NorthAmerica;
VideoStandard = VideoStandard.NtscM;
Language = Language.English;
TimeZone = XboxTimeZone.London;

// randomly generate new keys and hardware info
Serial = GeneratRandomSerial();
Expand Down Expand Up @@ -796,6 +926,7 @@ public byte[] Save()
// write eeprom as-is if version is unknown
if (Version == EepromVersion.Unknown)
{
Log.Information("Save EEPROM {0}", Data.ToHexString());
return Data;
}
else
Expand All @@ -804,21 +935,18 @@ public byte[] Save()
byte[] eepromCopy = new byte[Size];
Data.CopyTo(eepromCopy, 0);

// update security section of copy
if (Version != EepromVersion.Unknown)
{
HmacSha1 sha = new HmacSha1();
RC4 rc4 = new RC4();
HmacSha1 sha = new HmacSha1();
RC4 rc4 = new RC4();

// hash decrypted confounder/hddkey/region
byte[] hash = sha.Compute(Version, eepromCopy.Subset(0x14, 0x1C));
hash.CopyTo(eepromCopy, 0);
// hash decrypted confounder/hddkey/region
byte[] hash = sha.Compute(Version, eepromCopy.Subset(0x14, 0x1C));
hash.CopyTo(eepromCopy, 0);

// re-encrypt data
rc4.Init(sha.Compute(Version, hash));
rc4.Crypt(eepromCopy, 20, 28);
}
// re-encrypt data
rc4.Init(sha.Compute(Version, hash));
rc4.Crypt(eepromCopy, 20, 28);

Log.Information("Save EEPROM {0}", eepromCopy.ToHexString());
return eepromCopy;
}
}
Expand Down
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