问题描述
我正在尝试从使用 AutoHotKey 语言编程的 this repository 转换此函数。 但我最终陷入了一个问题:在 C# 中,AutoHotKey 中的 NumPut 和 VarSetCapacity 函数相当于什么?
我要转换的函数通过传递可以动态的参数调用内存过程中的某些函数
自动热键:
callWithParams(hProcess,dwFunc,aParams,bCleanupStack = true) {
if(!hProcess) {
ErrorLevel := ERROR_INVALID_HANDLE
return false
}
validParams := 0
i := aParams.MaxIndex()
; i * PUSH + CALL + RETN
dwLen := i * 5 + 5 + 1
if(bCleanupStack)
dwLen += 3
VarSetCapacity(injectData,i * 5 + 5 + 3 + 1,0) //This <------------
i_ := 1
while(i > 0) {
if(aParams[i][1] != "") {
dwMemAddress := 0x0
if(aParams[i][1] == "p") {
dwMemAddress := aParams[i][2]
} else if(aParams[i][1] == "s") {
if(i_>3)
return false
dwMemAddress := pParam%i_%
writeString(hProcess,dwMemAddress,aParams[i][2])
if(ErrorLevel)
return false
i_ += 1
} else if(aParams[i][1] == "i") {
dwMemAddress := aParams[i][2]
} else {
return false
}
NumPut(0x68,injectData,validParams * 5,"UChar") //And this <------------
NumPut(dwMemAddress,validParams * 5 + 1,"UInt")
validParams += 1
}
i -= 1
}
offset := dwFunc - ( pInjectFunc + validParams * 5 + 5 )
NumPut(0xE8,"UChar")
NumPut(offset,"Int")
if(bCleanupStack) {
NumPut(0xC483,validParams * 5 + 5,"UShort")
NumPut(validParams*4,validParams * 5 + 7,"UChar")
NumPut(0xC3,validParams * 5 + 8,"UChar")
} else {
NumPut(0xC3,"UChar")
}
writeRaw(hGTA,pInjectFunc,&injectData,dwLen)
if(ErrorLevel)
return false
hThread := createRemoteThread(hGTA,0)
if(ErrorLevel)
return false
waitForSingleObject(hThread,0xFFFFFFFF)
closeProcess(hThread)
return true
}
C#:
public class ParamsObject
{
public String type { get; set; }
public dynamic value { get; set; }
}
public static bool callWithParams(IntPtr hProcess,int dwFunc,ParamsObject[] aParams,bool bCleanupStack = true)
{
if (hProcess == IntPtr.Zero) return false;
int validParams = 0;
int i = aParams.Length;
int dwLen = i * 5 + 5 + 1;
int i_ = 1;
if (bCleanupStack) dwLen += 3;
//this is VarSetCapacity (maybe?)
byte[] injectData = new byte[i * 5 + 5 + 3 + 1];
foreach(ParamsObject param in aParams)
{
if (!String.IsNullOrEmpty(param.type))
{
dynamic dwMemAddress = 0x0;
if(param.type == "p")
{
dwMemAddress = param.value;
} else if (param.type == "s")
{
if (i_ > 3) return false;
if (i_ == 1) dwMemAddress = (int)pParam1;
if (i_ == 2) dwMemAddress = (int)pParam2;
if (i_ == 3) dwMemAddress = (int)pParam3;
if (!WriteString(hProcess,param.value)) return false;
i_ += 1;
} else if (param.type == "i")
{
dwMemAddress = param.value;
} else
{
return false;
}
//Here I need the NumPut <----------
}
}
return true;
}
解决方法
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