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Add printf to script engine codegen

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This commit is contained in:
Moammad97 2021-02-12 03:12:01 +03:30
parent cc58830858
commit 640b06a453
10 changed files with 285 additions and 109 deletions
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52
hyperdbg/include/ScriptEngineCommon.h
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@ -568,6 +568,25 @@ VOID ScriptEngineFunctionJson(UINT64 Tag, BOOLEAN ImmediateMessagePassing,
#endif // SCRIPT_ENGINE_KERNEL_MODE
}
VOID ScriptEngineFunctionPrintf(UINT64 Tag, BOOLEAN ImmediateMessagePassing,
char* Format, UINT64 ArgCount, PSYMBOL FirstArg) {
#ifdef SCRIPT_ENGINE_USER_MODE
ShowMessages("%s\n", Format);
PSYMBOL Symbol;
for (int i = 0; i < ArgCount; i++)
{
Symbol = FirstArg + i;
ShowMessages("%d\t",Symbol->Value);
}
#endif // SCRIPT_ENGINE_USER_MODE
#ifdef SCRIPT_ENGINE_KERNEL_MODE
LogSimpleWithTag(Tag, ImmediateMessagePassing, "%s : %d\n", Name, Value);
#endif // SCRIPT_ENGINE_KERNEL_MODE
}
UINT64 GetRegValue(PGUEST_REGS_USER_MODE GuestRegs, PSYMBOL Symbol) {
switch (Symbol->Value) {
case REGISTER_RAX:
@ -734,6 +753,7 @@ BOOL ScriptEngineExecute(PGUEST_REGS_USER_MODE GuestRegs,
#ifdef SCRIPT_ENGINE_USER_MODE
ShowMessages("Error:Expecting Operator Type.\n");
return HasError;
#endif // SCRIPT_ENGINE_USER_MODE
}
@ -1152,5 +1172,37 @@ BOOL ScriptEngineExecute(PGUEST_REGS_USER_MODE GuestRegs,
(char *)&Src1->Value, SrcVal0);
return HasError;
case FUNC_PRINTF:
//
// Call the target function
//
*Indx =
*Indx + ((sizeof(unsigned long long) + strlen((char*)&Src0->Value)) /
sizeof(SYMBOL));
Src1 = (PSYMBOL)((unsigned long long)CodeBuffer->Head +
(unsigned long long)(*Indx * sizeof(SYMBOL)));
*Indx = *Indx + 1;
PSYMBOL Src2 = NULL;
if (Src1->Value > 0)
{
Src2 = (PSYMBOL)((unsigned long long)CodeBuffer->Head +
(unsigned long long)(*Indx * sizeof(SYMBOL)));
*Indx = *Indx + Src1->Value;
}
ScriptEngineFunctionPrintf(ActionDetail.Tag,
ActionDetail.ImmediatelySendTheResults, (char*)&Src0->Value, Src1->Value, Src2);
return HasError;
}
}