SabreTools/NDecrypt
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Code Issues 11 Packages Projects Releases 20 Wiki Activity

Copy inputs to outputs for processing, optionally

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This commit is contained in:
Matt Nadareski
2025-09-06 18:14:39 -04:00
parent ed8e97aa0c
commit 6ae797a6eb
2 changed files with 39 additions and 15 deletions
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26
NDecrypt.Core/DSTool.cs
View File

@@ -25,8 +25,14 @@ namespace NDecrypt.Core
{
try
{
// Open the read and write on the same file for inplace processing
using var reader = File.Open(input, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// If the output is provided, copy the input file
if (output != null)
File.Copy(input, output);
else
output = input;
// Open the output file for processing
using var reader = File.Open(output, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// Deserialize the cart information
var nitro = Nitro.Create(reader);
@@ -47,7 +53,7 @@ namespace NDecrypt.Core
nitro.EncryptSecureArea(_decryptArgs.NitroEncryptionData, force);
// Write the encrypted secure area
using var writer = File.Open(input, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
using var writer = File.Open(output, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
writer.Seek(0x4000, SeekOrigin.Begin);
writer.Write(nitro.SecureArea);
writer.Flush();
@@ -56,7 +62,7 @@ namespace NDecrypt.Core
}
catch
{
Console.WriteLine($"An error has occurred. {input} may be corrupted if it was partially processed.");
Console.WriteLine($"An error has occurred. {output} may be corrupted if it was partially processed.");
Console.WriteLine("Please check that the file was a valid DS or DSi file and try again.");
return false;
}
@@ -71,8 +77,14 @@ namespace NDecrypt.Core
{
try
{
// If the output is provided, copy the input file
if (output != null)
File.Copy(input, output);
else
output = input;
// Open the read and write on the same file for inplace processing
using var reader = File.Open(input, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var reader = File.Open(output, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
// Deserialize the cart information
var nitro = Nitro.Create(reader);
@@ -93,7 +105,7 @@ namespace NDecrypt.Core
nitro.DecryptSecureArea(_decryptArgs.NitroEncryptionData, force);
// Write the decrypted secure area
using var writer = File.Open(input, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
using var writer = File.Open(output, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
writer.Seek(0x4000, SeekOrigin.Begin);
writer.Write(nitro.SecureArea);
writer.Flush();
@@ -102,7 +114,7 @@ namespace NDecrypt.Core
}
catch
{
Console.WriteLine($"An error has occurred. {input} may be corrupted if it was partially processed.");
Console.WriteLine($"An error has occurred. {output} may be corrupted if it was partially processed.");
Console.WriteLine("Please check that the file was a valid DS or DSi file and try again.");
return false;
}

28
NDecrypt.Core/ThreeDSTool.cs
View File

@@ -46,9 +46,15 @@ namespace NDecrypt.Core
try
{
// Open the read and write on the same file for inplace processing
using var reader = File.Open(input, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var writer = File.Open(input, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
// If the output is provided, copy the input file
if (output != null)
File.Copy(input, output);
else
output = input;
// Open the output file for processing
using var reader = File.Open(output, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var writer = File.Open(output, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
// Deserialize the cart information
var cart = N3DS.Create(reader);
@@ -64,7 +70,7 @@ namespace NDecrypt.Core
}
catch
{
Console.WriteLine($"An error has occurred. {input} may be corrupted if it was partially processed.");
Console.WriteLine($"An error has occurred. {output} may be corrupted if it was partially processed.");
Console.WriteLine("Please check that the file was a valid 3DS or New 3DS cart image and try again.");
return false;
}
@@ -459,9 +465,15 @@ namespace NDecrypt.Core
try
{
// Open the read and write on the same file for inplace processing
using var reader = File.Open(input, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var writer = File.Open(input, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
// If the output is provided, copy the input file
if (output != null)
File.Copy(input, output);
else
output = input;
// Open the output file for processing
using var reader = File.Open(output, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
using var writer = File.Open(output, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
// Deserialize the cart information
var cart = N3DS.Create(reader);
@@ -477,7 +489,7 @@ namespace NDecrypt.Core
}
catch
{
Console.WriteLine($"An error has occurred. {input} may be corrupted if it was partially processed.");
Console.WriteLine($"An error has occurred. {output} may be corrupted if it was partially processed.");
Console.WriteLine("Please check that the file was a valid 3DS or New 3DS cart image and try again.");
return false;
}