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GeezerVison is showing github.com — ShellcodeCompiler/ShellcodeCompiler/Compile.cpp at master · DevilBot000/ShellcodeCompiler

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#include "Compile.h"
// Function used to parse data
bool Compile::ParseFile(string p_sFileData)
{
bool result = true;
string sReadString = "";
DeclaredStates::State CurrentState;
for (size_t i = 0; i < p_sFileData.length(); i++)
{
// Check for a string
if (isalnum(p_sFileData[i]))
{
sReadString += p_sFileData[i];
}
// If it is not an alphanumeric character
else
{
// We have a "function" definition
if (sReadString.compare("function") == 0)
{
CurrentState = DeclaredFunctionsStates::DF_function;
// PROCESS "function" - Declare a function
while (true)
{
// Parse states transforms
for (size_t s = 0; s < CurrentState.Transforms.size(); s++)
{
if (CurrentState.Transforms[s].Character == p_sFileData[i])
{
//cout << "We found a transform (" << i << "): " << p_sFileData[i] << " [" << (int)p_sFileData[i] << "] - Current state: " << CurrentState.Name << endl;
// Process state
if (CurrentState.Process)
{
// Do stuff
CurrentState.ProcessStateData(CurrentState.Data);
CurrentState.Data = "";
}
// Go to next state
CurrentState = *(CurrentState.Transforms[s].NextState);
//cout << "Moved to state: " << CurrentState.Name << endl;
break;
}
else if (CurrentState.Transforms[s].Character == CHR_READ_ALPHANUMSTR && Utils::IsString(p_sFileData[i]))
{
CurrentState.Data = CurrentState.Data + p_sFileData[i];
// Do not change current state
}
else if (CurrentState.Transforms[s].Character == CHR_READ_ALPHANUMSTR && Utils::IsString(p_sFileData[i]))
{
CurrentState.Data = CurrentState.Data + p_sFileData[i];
// Do not change current state
}
//else cout << "Stuff: " << p_sFileData[i] << " on " << CurrentState.Name << endl;
}
i++;
if (p_sFileData[i] == ';' || i == p_sFileData.length()) break;
}
}
else if (FunctionCalls::FunctionExists(sReadString) || LinuxSyscalls::SyscallExists(sReadString))
{
FunctionCalls::AddFunctionCallName(sReadString);
CurrentState = CallFunctionsStates::CF_FunctionCall;
// PROCESS "function" - Declare a function
while (true)
{
// Parse states transforms
for (size_t s = 0; s < CurrentState.Transforms.size(); s++)
{
if (CurrentState.Transforms[s].Character == p_sFileData[i])
{
//cout << "We found a transform (" << i << "): " << p_sFileData[i] << " [" << (int)p_sFileData[i] << "] - Current state: " << CurrentState.Name << endl;
// Process state
if (CurrentState.Process)
{
// Do stuff
CurrentState.ProcessStateData(CurrentState.Data);
CurrentState.Data.clear();
}
// Go to next state
CurrentState = *(CurrentState.Transforms[s].NextState);
//cout << "Moved to state: " << CurrentState.Name << endl;
break;
}
else if (CurrentState.Transforms[s].Character == CHR_READ_NUMBER && isdigit(p_sFileData[i]))
{
if (CurrentState.Name.compare((CurrentState.Transforms[s].NextState)->Name) != 0) (CurrentState.Transforms[s].NextState)->Data = "";
(CurrentState.Transforms[s].NextState)->Data += p_sFileData[i];
CurrentState = *(CurrentState.Transforms[s].NextState);
}
else if (CurrentState.Transforms[s].Character == CHR_READ_ALPHANUMSTR && Utils::IsString(p_sFileData[i]))
{
CurrentState.Data = CurrentState.Data + p_sFileData[i];
// Do not change current state
}
//else cout << "Stuff: " << p_sFileData[i] << " on " << CurrentState.Name << endl;
}
i++;
if (p_sFileData[i] == ';' || i == p_sFileData.length()) break;
}
}
// Reset string
sReadString = "";
}
}
return result;
}
// Compile all parsed data into ASM file
string Compile::CompileAllData()
{
string sOutput = "";
// Compile for Windows
if (Platform::GetPlatform() == PLATFORM_TYPE_LINUX_X86 || Platform::GetPlatform() == PLATFORM_TYPE_LINUX_X64)
{
// Generate system calls for all system calls
for (size_t i = 0; i < FunctionCalls::AllFunctionCalls.size(); i++)
{
sOutput += FunctionCalls::GenerateFunctionCall(FunctionCalls::AllFunctionCalls[i]);
}
}
else
{
sOutput += ASMHeader::GetASMHeader();
// Generate LoadLibrary for all DLLs (from declared functions)
for (size_t i = 0; i < DeclaredFunctions::AllDeclaredFunctions.size(); i++)
{
sOutput += DeclaredFunctions::GenerateLoadLibraryCall(DeclaredFunctions::AllDeclaredFunctions[i].DLL);
}
// Generate GetProcAddress for all declared functions
for (size_t i = 0; i < DeclaredFunctions::AllDeclaredFunctions.size(); i++)
{
sOutput += DeclaredFunctions::GenerateGetProcAddressCall(DeclaredFunctions::AllDeclaredFunctions[i].DLL, DeclaredFunctions::AllDeclaredFunctions[i].Name);
}
// Generate function calls for all function calls
for (size_t i = 0; i < FunctionCalls::AllFunctionCalls.size(); i++)
{
sOutput += FunctionCalls::GenerateFunctionCall(FunctionCalls::AllFunctionCalls[i]);
}
}
return sOutput;
}
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