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Detect PlayStation 2 discs (CD and DVD) on media info.

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This commit is contained in:
Natalia Portillo
2018-09-09 22:26:01 +01:00
parent 011091709e
commit 0ca916747e
2 changed files with 113 additions and 7 deletions
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119
DiscImageChef.Core/Media/Info/ScsiInfo.cs
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@@ -32,8 +32,10 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using DiscImageChef.Checksums;
using DiscImageChef.CommonTypes;
using DiscImageChef.Console;
using DiscImageChef.Decoders.CD;
@@ -51,6 +53,13 @@ namespace DiscImageChef.Core.Media.Info
{
public class ScsiInfo
{
/// <summary>SHA256 of PlayStation 2 boot sectors, seen in PAL discs</summary>
const string PS2_PAL_HASH = "5d04ff236613e1d8adcf9c201874acd6f6deed1e04306558b86f91cfb626f39d";
/// <summary>SHA256 of PlayStation 2 boot sectors, seen in Japanese, American, Malaysian and Korean discs</summary>
const string PS2_NTSC_HASH = "0bada1426e2c0351b872ef2a9ad2e5a0ac3918f4c53aa53329cb2911a8e16c23";
/// <summary>SHA256 of PlayStation 2 boot sectors, seen in Japanese discs</summary>
const string PS2_JAPANESE_HASH = "b82bffb809070d61fe050b7e1545df53d8f3cc648257cdff7502bc0ba6b38870";
public ScsiInfo(Device dev)
{
if(dev.Type != DeviceType.SCSI && dev.Type != DeviceType.ATAPI) return;
@@ -1190,7 +1199,8 @@ namespace DiscImageChef.Core.Media.Info
if(DeviceInfo.ScsiType != PeripheralDeviceTypes.MultiMediaDevice) return;
byte[] sector0 = null;
byte[] sector0 = null;
byte[] ps2BootSectors = null;
switch(MediaType)
{
@@ -1208,6 +1218,20 @@ namespace DiscImageChef.Core.Media.Info
{
sector0 = new byte[2048];
Array.Copy(cmdBuf, 16, sector0, 0, 2048);
MemoryStream ps2Ms = new MemoryStream();
for(uint p = 0; p < 12; p++)
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, p, 2352, 1, MmcSectorTypes.AllTypes, false,
false, true, MmcHeaderCodes.AllHeaders, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if(sense || dev.Error) break;
ps2Ms.Write(cmdBuf, cmdBuf[0x0F] == 0x02 ? 24 : 16, 2048);
}
if(ps2Ms.Length == 0x6000) ps2BootSectors = ps2Ms.ToArray();
}
else
{
@@ -1219,13 +1243,36 @@ namespace DiscImageChef.Core.Media.Info
{
sector0 = new byte[2048];
Array.Copy(cmdBuf, 0, sector0, 0, 2048);
MemoryStream ps2Ms = new MemoryStream();
for(uint p = 0; p < 12; p++)
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, p, 2324, 1, MmcSectorTypes.Mode2, false,
false, true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if(sense || dev.Error) break;
ps2Ms.Write(cmdBuf, 0, 2048);
}
if(ps2Ms.Length == 0x6000) ps2BootSectors = ps2Ms.ToArray();
}
else
{
sense = dev.ReadCd(out cmdBuf, out senseBuf, 0, 2048, 1, MmcSectorTypes.Mode1, false, false,
true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if(!sense && !dev.Error) sector0 = cmdBuf;
if(!sense && !dev.Error)
{
sector0 = cmdBuf;
sense = dev.ReadCd(out cmdBuf, out senseBuf, 0, 2048, 12, MmcSectorTypes.Mode1, false,
false, true, MmcHeaderCodes.None, true, true, MmcErrorField.None,
MmcSubchannel.None, dev.Timeout, out _);
if(!sense && !dev.Error) ps2BootSectors = cmdBuf;
}
else goto case MediaType.DVDROM;
}
}
@@ -1238,26 +1285,58 @@ namespace DiscImageChef.Core.Media.Info
case MediaType.HDDVDROM:
case MediaType.BDROM:
case MediaType.Unknown:
sense = dev.Read16(out cmdBuf, out senseBuf, 0, 1, BlockSize, dev.Timeout, out _);
sense = dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, 0, BlockSize, 0, 1, false,
dev.Timeout, out _);
if(!sense && dev.Error) sector0 = cmdBuf;
if(!sense && !dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read16(out cmdBuf, out senseBuf, 0, false, true, false, 0, BlockSize, 0, 12, false,
dev.Timeout, out _);
if(!sense && !dev.Error && cmdBuf.Length == 0x6000) ps2BootSectors = cmdBuf;
}
else
{
sense = dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, 0, BlockSize, 0, 1,
false, dev.Timeout, out _);
if(!sense && dev.Error) sector0 = cmdBuf;
if(!sense && !dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read12(out cmdBuf, out senseBuf, 0, false, true, false, false, 0, BlockSize, 0,
12, false, dev.Timeout, out _);
if(!sense && !dev.Error && cmdBuf.Length == 0x6000) ps2BootSectors = cmdBuf;
}
else
{
sense = dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, 0, BlockSize, 0,
1, dev.Timeout, out _);
if(!sense && dev.Error) sector0 = cmdBuf;
if(!sense && !dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read10(out cmdBuf, out senseBuf, 0, false, true, false, false, 0, BlockSize,
0, 12, dev.Timeout, out _);
if(!sense && !dev.Error && cmdBuf.Length == 0x6000) ps2BootSectors = cmdBuf;
}
else
{
sense = dev.Read6(out cmdBuf, out senseBuf, 0, BlockSize, 1, dev.Timeout, out _);
if(!sense && dev.Error) sector0 = cmdBuf;
if(!sense && !dev.Error)
{
sector0 = cmdBuf;
sense = dev.Read6(out cmdBuf, out senseBuf, 0, BlockSize, 12, dev.Timeout, out _);
if(!sense && !dev.Error && cmdBuf.Length == 0x6000) ps2BootSectors = cmdBuf;
}
}
}
}
@@ -1311,6 +1390,19 @@ namespace DiscImageChef.Core.Media.Info
// Are GDR detectable ???
if(Dreamcast.DecodeIPBin(sector0).HasValue) MediaType = MediaType.GDROM;
if(ps2BootSectors != null && ps2BootSectors.Length == 0x6000)
{
// The decryption key is applied as XOR. As first byte is originally always NULL, it gives us the key :)
byte decryptByte = ps2BootSectors[0];
for(int i = 0; i < 0x6000; i++) ps2BootSectors[i] ^= decryptByte;
string ps2BootSectorsHash = Sha256Context.Data(ps2BootSectors, out _);
DicConsole.DebugWriteLine("Media-info Command", "PlayStation 2 boot sectors SHA256: {0}",
ps2BootSectorsHash);
if(ps2BootSectorsHash == PS2_PAL_HASH || ps2BootSectorsHash == PS2_NTSC_HASH ||
ps2BootSectorsHash == PS2_JAPANESE_HASH) MediaType = MediaType.PS2CD;
}
break;
}
// TODO: Check for CD-i Ready
@@ -1319,6 +1411,19 @@ namespace DiscImageChef.Core.Media.Info
case MediaType.HDDVDROM:
case MediaType.BDROM:
case MediaType.Unknown:
if(ps2BootSectors != null && ps2BootSectors.Length == 0x6000)
{
// The decryption key is applied as XOR. As first byte is originally always NULL, it gives us the key :)
byte decryptByte = ps2BootSectors[0];
for(int i = 0; i < 0x6000; i++) ps2BootSectors[i] ^= decryptByte;
string ps2BootSectorsHash = Sha256Context.Data(ps2BootSectors, out _);
DicConsole.DebugWriteLine("Media-info Command", "PlayStation 2 boot sectors SHA256: {0}",
ps2BootSectorsHash);
if(ps2BootSectorsHash == PS2_PAL_HASH || ps2BootSectorsHash == PS2_NTSC_HASH ||
ps2BootSectorsHash == PS2_JAPANESE_HASH) MediaType = MediaType.PS2DVD;
}
// TODO: Identify discs that require reading tracks (PC-FX, PlayStation, Sega, etc)
break;
}