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Add Argument parser

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This commit is contained in:
Mino 2020-03-29 22:20:30 +09:00
parent a90a5673f2
commit 693babc1e3
8 changed files with 87 additions and 15 deletions
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14
Dalamud.Bootstrap/SqexArg/EncryptedArgument.cs
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@ -1,6 +1,7 @@
using System;
using System.Buffers;
using System.Buffers.Text;
using System.Runtime.InteropServices;
using System.Text;
using System.Text.RegularExpressions;
using Dalamud.Bootstrap.Crypto;
@ -90,7 +91,7 @@ namespace Dalamud.Bootstrap.SqexArg
// plainText <- utf8Bytes <- encryptedBytes(payload) <- base64(payloadStr)
// base64: 3 bytes per 4 characters
// We also want the size to be aligned with the block size.
// We also want the size to be aligned with the block size. Usually this is not a problem but we don't know what payload is actually from.
var dataLength = (payload.Length / 4) * 3;
var alignedDataLength = AlignBufferLength(dataLength);
var encryptedData = new byte[alignedDataLength];
@ -112,9 +113,14 @@ namespace Dalamud.Bootstrap.SqexArg
blowfish.Decrypt(encryptedData, decryptedData);
// utf8Bytes -> C# string
var plainText = Encoding.UTF8.GetString(decryptedData[..dataLength]);
return plainText;
// notice that decryptedData is a null terminated string.
unsafe
{
fixed (byte* pDecryptedData = decryptedData)
{
return Marshal.PtrToStringUTF8(new IntPtr(pDecryptedData));
}
}
}
/// <summary>