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Merge pull request #584 from ascclemens/try

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goaaats 2021-09-25 23:02:55 +02:00 • committed by GitHub
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105
Dalamud/Game/SigScanner.cs
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@ -134,6 +134,28 @@ namespace Dalamud.Game
return baseAddress + index;
}
/// <summary>
/// Try scanning memory for a signature.
/// </summary>
/// <param name="baseAddress">The base address to scan from.</param>
/// <param name="size">The amount of bytes to scan.</param>
/// <param name="signature">The signature to search for.</param>
/// <param name="result">The offset, if found.</param>
/// <returns>true if the signature was found.</returns>
public static bool TryScan(IntPtr baseAddress, int size, string signature, out IntPtr result)
{
try
{
result = Scan(baseAddress, size, signature);
return true;
}
catch (KeyNotFoundException)
{
result = IntPtr.Zero;
return false;
}
}
/// <summary>
/// Scan for a .data address using a .text function.
/// This is intended to be used with IDA sigs.
@ -160,6 +182,29 @@ namespace Dalamud.Game
return IntPtr.Add(instrAddr, Marshal.ReadInt32(instrAddr) + 4);
}
/// <summary>
/// Try scanning for a .data address using a .text function.
/// This is intended to be used with IDA sigs.
/// Place your cursor on the line calling a static address, and create and IDA sig.
/// </summary>
/// <param name="signature">The signature of the function using the data.</param>
/// <param name="result">An IntPtr to the static memory location, if found.</param>
/// <param name="offset">The offset from function start of the instruction using the data.</param>
/// <returns>true if the signature was found.</returns>
public bool TryGetStaticAddressFromSig(string signature, out IntPtr result, int offset = 0)
{
try
{
result = this.GetStaticAddressFromSig(signature, offset);
return true;
}
catch (KeyNotFoundException)
{
result = IntPtr.Zero;
return false;
}
}
/// <summary>
/// Scan for a byte signature in the .data section.
/// </summary>
@ -175,6 +220,26 @@ namespace Dalamud.Game
return scanRet;
}
/// <summary>
/// Try scanning for a byte signature in the .data section.
/// </summary>
/// <param name="signature">The signature.</param>
/// <param name="result">The real offset of the signature, if found.</param>
/// <returns>true if the signature was found.</returns>
public bool TryScanData(string signature, out IntPtr result)
{
try
{
result = this.ScanData(signature);
return true;
}
catch (KeyNotFoundException)
{
result = IntPtr.Zero;
return false;
}
}
/// <summary>
/// Scan for a byte signature in the whole module search area.
/// </summary>
@ -190,6 +255,26 @@ namespace Dalamud.Game
return scanRet;
}
/// <summary>
/// Try scanning for a byte signature in the whole module search area.
/// </summary>
/// <param name="signature">The signature.</param>
/// <param name="result">The real offset of the signature, if found.</param>
/// <returns>true if the signature was found.</returns>
public bool TryScanModule(string signature, out IntPtr result)
{
try
{
result = this.ScanModule(signature);
return true;
}
catch (KeyNotFoundException)
{
result = IntPtr.Zero;
return false;
}
}
/// <summary>
/// Resolve a RVA address.
/// </summary>
@ -224,6 +309,26 @@ namespace Dalamud.Game
return scanRet;
}
/// <summary>
/// Try scanning for a byte signature in the .text section.
/// </summary>
/// <param name="signature">The signature.</param>
/// <param name="result">The real offset of the signature, if found.</param>
/// <returns>true if the signature was found.</returns>
public bool TryScanText(string signature, out IntPtr result)
{
try
{
result = this.ScanText(signature);
return true;
}
catch (KeyNotFoundException)
{
result = IntPtr.Zero;
return false;
}
}
/// <summary>
/// Free the memory of the copied module search area on object disposal, if applicable.
/// </summary>